src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 // ----------------------------------------------------------------------------
  29 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_COLS             MAX(1, editor.palette.cols)
  69 #define ED_ELEMENTLIST_ROWS             MAX(1, editor.palette.rows)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (ED_ELEMENTLIST_COLS)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (ED_ELEMENTLIST_ROWS)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 // standard distances
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 // values for drawingarea gadgets
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 // values for checkbutton gadgets
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ENGINE_TABS_X       (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ENGINE_TABS_Y       (editor.settings.tabs.y +       \
 104                                          ED_TABBUTTON_YSIZE +           \
 105                                          ED_GADGET_TINY_DISTANCE +      \
 106                                          ED_TAB_BAR_HEIGHT +            \
 107                                          ED_GADGET_TEXT_DISTANCE)
 108 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 109 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 110                                          editor.settings.tabs.yoffset2)
 111
 112 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 113 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 114
 115 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 116 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 117 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 118                                          ED_SETTINGS_TABS_XOFFSET)
 119 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 120                                          ED_TABBUTTON_YSIZE +           \
 121                                          ED_GADGET_TINY_DISTANCE +      \
 122                                          ED_TAB_BAR_HEIGHT +            \
 123                                          ED_SETTINGS_TABS_YOFFSET +     \
 124                                          getFontHeight(FONT_TEXT_1) +   \
 125                                          ED_GADGET_TEXT_DISTANCE)
 126 #define ED_ENGINE_TABS_XSTART           (ED_SETTINGS_ENGINE_TABS_X)
 127 #define ED_ENGINE_TABS_YSTART           (ED_SETTINGS_ENGINE_TABS_Y)
 128 #define ED_ENGINE_SETTINGS_XSTART       (ED_SETTINGS_ENGINE_TABS_X +    \
 129                                          ED_SETTINGS_TABS_XOFFSET)
 130 #define ED_ENGINE_SETTINGS_YSTART       (ED_SETTINGS_ENGINE_TABS_Y +    \
 131                                          ED_TABBUTTON_YSIZE +           \
 132                                          ED_GADGET_TINY_DISTANCE +      \
 133                                          ED_TAB_BAR_HEIGHT +            \
 134                                          ED_SETTINGS_TABS_YOFFSET +     \
 135                                          getFontHeight(FONT_TEXT_1) +   \
 136                                          ED_GADGET_TEXT_DISTANCE)
 137 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 138 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 139 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 140                                          ED_SETTINGS_TABS_XOFFSET)
 141 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 142                                          ED_TABBUTTON_YSIZE +           \
 143                                          ED_GADGET_TINY_DISTANCE +      \
 144                                          ED_TAB_BAR_HEIGHT +            \
 145                                          ED_SETTINGS_TABS_YOFFSET)
 146
 147 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 148                                          ED_GADGET_TEXT_DISTANCE)
 149 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 150                                          ED_GADGET_LINE_DISTANCE)
 151
 152 #define ED_POS_RANGE                    (10000)
 153 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 154 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 155 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 156 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 157 #define ED_POS_ENGINE_TABS_FIRST        (3 * ED_POS_RANGE)
 158 #define ED_POS_ENGINE_TABS_LAST         (4 * ED_POS_RANGE - 1)
 159 #define ED_POS_ENGINE_SETTINGS_FIRST    (4 * ED_POS_RANGE)
 160 #define ED_POS_ENGINE_SETTINGS_LAST     (5 * ED_POS_RANGE - 1)
 161 #define ED_POS_ELEMENT_TABS_FIRST       (5 * ED_POS_RANGE)
 162 #define ED_POS_ELEMENT_TABS_LAST        (6 * ED_POS_RANGE - 1)
 163 #define ED_POS_ELEMENT_SETTINGS_FIRST   (6 * ED_POS_RANGE)
 164 #define ED_POS_ELEMENT_SETTINGS_LAST    (7 * ED_POS_RANGE - 1)
 165
 166 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 167 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 168
 169 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 170 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 171
 172 #define ED_ENGINE_TABS_XPOS(n)          (ED_POS_ENGINE_TABS_FIRST + (n))
 173 #define ED_ENGINE_TABS_YPOS(n)          (ED_POS_ENGINE_TABS_FIRST + (n))
 174
 175 #define ED_ENGINE_SETTINGS_XPOS(n)      (ED_POS_ENGINE_SETTINGS_FIRST + (n))
 176 #define ED_ENGINE_SETTINGS_YPOS(n)      (ED_POS_ENGINE_SETTINGS_FIRST + (n))
 177
 178 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 179 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 180
 181 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 182 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 183
 184 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 185                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 186 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 187                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 188 #define IS_POS_ENGINE_TABS(n)         ((n) >= ED_POS_ENGINE_TABS_FIRST && \
 189                                        (n) <= ED_POS_ENGINE_TABS_LAST)
 190 #define IS_POS_ENGINE_SETTINGS(n)     ((n) >= ED_POS_ENGINE_SETTINGS_FIRST && \
 191                                        (n) <= ED_POS_ENGINE_SETTINGS_LAST)
 192 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 193                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 194 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 195                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 196
 197 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 198 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 199 #define ED_ENGINE_TABS_LINE(n)          ((n) - ED_POS_ENGINE_TABS_FIRST)
 200 #define ED_ENGINE_SETTINGS_LINE(n)      ((n) - ED_POS_ENGINE_SETTINGS_FIRST)
 201 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 202 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 203
 204 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 205                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 206 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 207                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 208
 209 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 210                                          (n) * ED_SETTINGS_XOFFSET)
 211 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 212                                          (n) * ED_SETTINGS_YOFFSET)
 213
 214 #define ED_ENGINE_TABS_X(n)             (ED_ENGINE_TABS_XSTART +        \
 215                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 216 #define ED_ENGINE_TABS_Y(n)             (ED_ENGINE_TABS_YSTART +        \
 217                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 218
 219 #define ED_ENGINE_SETTINGS_X(n)         (ED_ENGINE_SETTINGS_XSTART +    \
 220                                          (n) * ED_SETTINGS_XOFFSET)
 221 #define ED_ENGINE_SETTINGS_Y(n)         (ED_ENGINE_SETTINGS_YSTART +    \
 222                                          (n) * ED_SETTINGS_YOFFSET)
 223
 224 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 225                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 226 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 227                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 228
 229 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 230                                          (n) * ED_SETTINGS_XOFFSET)
 231 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 232                                          (n) * ED_SETTINGS_YOFFSET)
 233
 234 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 235   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 236 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 237   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 238
 239 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 240   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 241 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 242   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 243
 244 #define ED_POS_TO_ENGINE_TABS_X(n)      \
 245   (ED_ENGINE_TABS_X(ED_ENGINE_TABS_LINE(n)))
 246 #define ED_POS_TO_ENGINE_TABS_Y(n)      \
 247   (ED_ENGINE_TABS_Y(ED_ENGINE_TABS_LINE(n)))
 248
 249 #define ED_POS_TO_ENGINE_SETTINGS_X(n)  \
 250   (ED_ENGINE_SETTINGS_X(ED_ENGINE_SETTINGS_LINE(n)))
 251 #define ED_POS_TO_ENGINE_SETTINGS_Y(n)  \
 252   (ED_ENGINE_SETTINGS_Y(ED_ENGINE_SETTINGS_LINE(n)))
 253
 254 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 255   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 256 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 257   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 258
 259 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 260   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 261 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 262   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 263
 264 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 265                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 266                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 267                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 268                                          IS_POS_ENGINE_TABS(n) ?        \
 269                                          ED_POS_TO_ENGINE_TABS_X(n) : \
 270                                          IS_POS_ENGINE_SETTINGS(n) ?    \
 271                                          ED_POS_TO_ENGINE_SETTINGS_X(n) : \
 272                                          IS_POS_ELEMENT_TABS(n) ?       \
 273                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 274                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 275                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 276 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 277                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 278                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 279                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 280                                          IS_POS_ENGINE_TABS(n) ?        \
 281                                          ED_POS_TO_ENGINE_TABS_Y(n) : \
 282                                          IS_POS_ENGINE_SETTINGS(n) ?    \
 283                                          ED_POS_TO_ENGINE_SETTINGS_Y(n) : \
 284                                          IS_POS_ELEMENT_TABS(n) ?       \
 285                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 286                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 287                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 288
 289 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 290                                          ED_DRAWINGAREA_TILE_SIZE)
 291 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 292                                          ED_DRAWINGAREA_TILE_SIZE)
 293
 294 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 295                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 296 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 297                                          (ED_CHECKBUTTON_YSIZE -        \
 298                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 299
 300 #define ED_AREA_XOFFSET_2(n)      (0)
 301 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 302                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 303
 304 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 305                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 306                                     ED_AREA_XOFFSET_1((i).x) -          \
 307                                     ED_AREA_XOFFSET_2((i).area_xsize))
 308 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 309                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 310                                     ED_AREA_YOFFSET_1((i).y) -          \
 311                                     ED_AREA_YOFFSET_2((i).area_ysize))
 312
 313 // values for element content drawing areas
 314 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 315 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 316 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 317 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 318
 319 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 320 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 321 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 322 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 323
 324 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 325 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 326 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 327 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 328
 329 // element content
 330 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 331 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 332
 333 // yamyam content
 334 #define ED_XPOS_YAM                     0
 335 #define ED_YPOS_YAM                     5
 336 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 337 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 338 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 339 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 340 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 341                                          ED_SETTINGS_XOFF(n))
 342 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 343                                          ED_SETTINGS_YOFF(n) +          \
 344                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 345                                          ED_AREA_YOFFSET_2(3))
 346
 347 // magic ball content
 348 #define ED_XPOS_BALL                    0
 349 #define ED_YPOS_BALL                    6
 350 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 351 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 352 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 353 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 354 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 355                                          ED_SETTINGS_XOFF(n))
 356 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 357                                          ED_SETTINGS_YOFF(n) +          \
 358                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 359                                          ED_AREA_YOFFSET_2(3))
 360
 361 // values for scrolling gadgets for drawing area
 362 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 363 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 364
 365 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 366 #define ED_SCROLL_UP_YPOS               (0)
 367 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 368 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 369 #define ED_SCROLL_LEFT_XPOS             (0)
 370 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 371 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 372 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 373 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 374                                          ED_SCROLLBUTTON_XSIZE)
 375 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 376 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 377 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 378 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 379 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 380                                          ED_SCROLLBUTTON_YSIZE)
 381 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 382 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 383
 384 // values for scrolling gadgets for element list
 385 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 386 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 387
 388 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 389                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 390                                          ED_ELEMENTLIST_XSIZE)
 391 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 392 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 393 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 394                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 395                                          ED_ELEMENTLIST_YSIZE -         \
 396                                          ED_SCROLLBUTTON2_YSIZE)
 397 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 398 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 399                                          ED_SCROLLBUTTON2_YSIZE)
 400 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 401 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 402                                          ED_ELEMENTLIST_YSIZE -         \
 403                                          2 * ED_SCROLLBUTTON2_YSIZE)
 404
 405 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 406 #define INFOTEXT_FONT           FONT_TEXT_2
 407 #define INFOTEXT_XSIZE          SXSIZE
 408 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 409 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 410 #define INFOTEXT_X              (editor.settings.tooltip.x)
 411 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 412 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 413 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 414 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 415                                       SYSIZE - INFOTEXT_YSIZE)
 416
 417
 418 // ----------------------------------------------------------------------------
 419 // editor gadget definitions
 420 // ----------------------------------------------------------------------------
 421
 422 enum
 423 {
 424   GADGET_ID_NONE = -1,
 425
 426   // drawing toolbox buttons
 427
 428   GADGET_ID_SINGLE_ITEMS,
 429   GADGET_ID_CONNECTED_ITEMS,
 430   GADGET_ID_LINE,
 431   GADGET_ID_ARC,
 432   GADGET_ID_RECTANGLE,
 433   GADGET_ID_FILLED_BOX,
 434   GADGET_ID_WRAP_UP,
 435   GADGET_ID_TEXT,
 436   GADGET_ID_FLOOD_FILL,
 437   GADGET_ID_WRAP_LEFT,
 438   GADGET_ID_ZOOM,
 439   GADGET_ID_WRAP_RIGHT,
 440   GADGET_ID_RANDOM_PLACEMENT,
 441   GADGET_ID_GRAB_BRUSH,
 442   GADGET_ID_WRAP_DOWN,
 443   GADGET_ID_PICK_ELEMENT,
 444
 445   GADGET_ID_UNDO,
 446   GADGET_ID_CONF,
 447   GADGET_ID_SAVE,
 448   GADGET_ID_CLEAR,
 449   GADGET_ID_TEST,
 450   GADGET_ID_EXIT,
 451
 452   GADGET_ID_CUSTOM_COPY_FROM,
 453   GADGET_ID_CUSTOM_COPY_TO,
 454   GADGET_ID_CUSTOM_EXCHANGE,
 455   GADGET_ID_CUSTOM_COPY,
 456   GADGET_ID_CUSTOM_PASTE,
 457
 458   GADGET_ID_PROPERTIES,
 459   GADGET_ID_ELEMENT_LEFT,
 460   GADGET_ID_ELEMENT_MIDDLE,
 461   GADGET_ID_ELEMENT_RIGHT,
 462   GADGET_ID_PALETTE,
 463
 464   // counter gadget identifiers
 465
 466   GADGET_ID_SELECT_LEVEL_DOWN,
 467   GADGET_ID_SELECT_LEVEL_TEXT,
 468   GADGET_ID_SELECT_LEVEL_UP,
 469   GADGET_ID_LEVEL_XSIZE_DOWN,
 470   GADGET_ID_LEVEL_XSIZE_TEXT,
 471   GADGET_ID_LEVEL_XSIZE_UP,
 472   GADGET_ID_LEVEL_YSIZE_DOWN,
 473   GADGET_ID_LEVEL_YSIZE_TEXT,
 474   GADGET_ID_LEVEL_YSIZE_UP,
 475   GADGET_ID_LEVEL_RANDOM_DOWN,
 476   GADGET_ID_LEVEL_RANDOM_TEXT,
 477   GADGET_ID_LEVEL_RANDOM_UP,
 478   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 479   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 480   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 481   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 482   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 483   GADGET_ID_LEVEL_TIMELIMIT_UP,
 484   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 485   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 486   GADGET_ID_LEVEL_TIMESCORE_UP,
 487   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 488   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 489   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 490   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 491   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 492   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 493   GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,
 494   GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,
 495   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
 496   GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,
 497   GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,
 498   GADGET_ID_BD_CYCLE_DELAY_C64_UP,
 499   GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,
 500   GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,
 501   GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
 502   GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,
 503   GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,
 504   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
 505   GADGET_ID_BD_PUSHING_PROB_DOWN,
 506   GADGET_ID_BD_PUSHING_PROB_TEXT,
 507   GADGET_ID_BD_PUSHING_PROB_UP,
 508   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,
 509   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,
 510   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
 511   GADGET_ID_ELEMENT_VALUE1_DOWN,
 512   GADGET_ID_ELEMENT_VALUE1_TEXT,
 513   GADGET_ID_ELEMENT_VALUE1_UP,
 514   GADGET_ID_ELEMENT_VALUE2_DOWN,
 515   GADGET_ID_ELEMENT_VALUE2_TEXT,
 516   GADGET_ID_ELEMENT_VALUE2_UP,
 517   GADGET_ID_ELEMENT_VALUE3_DOWN,
 518   GADGET_ID_ELEMENT_VALUE3_TEXT,
 519   GADGET_ID_ELEMENT_VALUE3_UP,
 520   GADGET_ID_ELEMENT_VALUE4_DOWN,
 521   GADGET_ID_ELEMENT_VALUE4_TEXT,
 522   GADGET_ID_ELEMENT_VALUE4_UP,
 523   GADGET_ID_YAMYAM_CONTENT_DOWN,
 524   GADGET_ID_YAMYAM_CONTENT_TEXT,
 525   GADGET_ID_YAMYAM_CONTENT_UP,
 526   GADGET_ID_BALL_CONTENT_DOWN,
 527   GADGET_ID_BALL_CONTENT_TEXT,
 528   GADGET_ID_BALL_CONTENT_UP,
 529   GADGET_ID_ANDROID_CONTENT_DOWN,
 530   GADGET_ID_ANDROID_CONTENT_TEXT,
 531   GADGET_ID_ANDROID_CONTENT_UP,
 532   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 533   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 534   GADGET_ID_ENVELOPE_XSIZE_UP,
 535   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 536   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 537   GADGET_ID_ENVELOPE_YSIZE_UP,
 538   GADGET_ID_INVENTORY_SIZE_DOWN,
 539   GADGET_ID_INVENTORY_SIZE_TEXT,
 540   GADGET_ID_INVENTORY_SIZE_UP,
 541   GADGET_ID_MM_BALL_CONTENT_DOWN,
 542   GADGET_ID_MM_BALL_CONTENT_TEXT,
 543   GADGET_ID_MM_BALL_CONTENT_UP,
 544   GADGET_ID_CUSTOM_SCORE_DOWN,
 545   GADGET_ID_CUSTOM_SCORE_TEXT,
 546   GADGET_ID_CUSTOM_SCORE_UP,
 547   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 548   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 549   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 550   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 551   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 552   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 553   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 554   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 555   GADGET_ID_CUSTOM_VALUE_RND_UP,
 556   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 557   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 558   GADGET_ID_PUSH_DELAY_FIX_UP,
 559   GADGET_ID_PUSH_DELAY_RND_DOWN,
 560   GADGET_ID_PUSH_DELAY_RND_TEXT,
 561   GADGET_ID_PUSH_DELAY_RND_UP,
 562   GADGET_ID_DROP_DELAY_FIX_DOWN,
 563   GADGET_ID_DROP_DELAY_FIX_TEXT,
 564   GADGET_ID_DROP_DELAY_FIX_UP,
 565   GADGET_ID_DROP_DELAY_RND_DOWN,
 566   GADGET_ID_DROP_DELAY_RND_TEXT,
 567   GADGET_ID_DROP_DELAY_RND_UP,
 568   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 569   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 570   GADGET_ID_MOVE_DELAY_FIX_UP,
 571   GADGET_ID_MOVE_DELAY_RND_DOWN,
 572   GADGET_ID_MOVE_DELAY_RND_TEXT,
 573   GADGET_ID_MOVE_DELAY_RND_UP,
 574   GADGET_ID_STEP_DELAY_FIX_DOWN,
 575   GADGET_ID_STEP_DELAY_FIX_TEXT,
 576   GADGET_ID_STEP_DELAY_FIX_UP,
 577   GADGET_ID_STEP_DELAY_RND_DOWN,
 578   GADGET_ID_STEP_DELAY_RND_TEXT,
 579   GADGET_ID_STEP_DELAY_RND_UP,
 580   GADGET_ID_EXPLOSION_DELAY_DOWN,
 581   GADGET_ID_EXPLOSION_DELAY_TEXT,
 582   GADGET_ID_EXPLOSION_DELAY_UP,
 583   GADGET_ID_IGNITION_DELAY_DOWN,
 584   GADGET_ID_IGNITION_DELAY_TEXT,
 585   GADGET_ID_IGNITION_DELAY_UP,
 586   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 587   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 588   GADGET_ID_CHANGE_DELAY_FIX_UP,
 589   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 590   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 591   GADGET_ID_CHANGE_DELAY_RND_UP,
 592   GADGET_ID_CHANGE_CONT_RND_DOWN,
 593   GADGET_ID_CHANGE_CONT_RND_TEXT,
 594   GADGET_ID_CHANGE_CONT_RND_UP,
 595   GADGET_ID_GROUP_CONTENT_DOWN,
 596   GADGET_ID_GROUP_CONTENT_TEXT,
 597   GADGET_ID_GROUP_CONTENT_UP,
 598
 599   // drawing area identifiers
 600
 601   GADGET_ID_DRAWING_LEVEL,
 602   GADGET_ID_YAMYAM_CONTENT_0,
 603   GADGET_ID_YAMYAM_CONTENT_1,
 604   GADGET_ID_YAMYAM_CONTENT_2,
 605   GADGET_ID_YAMYAM_CONTENT_3,
 606   GADGET_ID_YAMYAM_CONTENT_4,
 607   GADGET_ID_YAMYAM_CONTENT_5,
 608   GADGET_ID_YAMYAM_CONTENT_6,
 609   GADGET_ID_YAMYAM_CONTENT_7,
 610   GADGET_ID_MAGIC_BALL_CONTENT_0,
 611   GADGET_ID_MAGIC_BALL_CONTENT_1,
 612   GADGET_ID_MAGIC_BALL_CONTENT_2,
 613   GADGET_ID_MAGIC_BALL_CONTENT_3,
 614   GADGET_ID_MAGIC_BALL_CONTENT_4,
 615   GADGET_ID_MAGIC_BALL_CONTENT_5,
 616   GADGET_ID_MAGIC_BALL_CONTENT_6,
 617   GADGET_ID_MAGIC_BALL_CONTENT_7,
 618   GADGET_ID_ANDROID_CONTENT,
 619   GADGET_ID_AMOEBA_CONTENT,
 620   GADGET_ID_BD_SNAP_ELEMENT,
 621   GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO,
 622   GADGET_ID_BD_MAGIC_WALL_ROCK_TO,
 623   GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
 624   GADGET_ID_BD_MAGIC_WALL_NUT_TO,
 625   GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
 626   GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
 627   GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
 628   GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,
 629   GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,
 630   GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
 631   GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
 632   GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
 633   GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
 634   GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
 635   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
 636   GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
 637   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
 638   GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
 639   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
 640   GADGET_ID_BD_ACID_EATS_ELEMENT,
 641   GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,
 642   GADGET_ID_BD_BITER_EATS_ELEMENT,
 643   GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
 644   GADGET_ID_BD_NUT_CONTENT,
 645   GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
 646   GADGET_ID_BD_SAND_LOOKS_LIKE,
 647   GADGET_ID_BD_ROCK_TURNS_TO_ON_FALLING,
 648   GADGET_ID_BD_ROCK_TURNS_TO_ON_IMPACT,
 649   GADGET_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,
 650   GADGET_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,
 651   GADGET_ID_BD_FIREFLY_EXPLODES_TO,
 652   GADGET_ID_BD_FIREFLY_2_EXPLODES_TO,
 653   GADGET_ID_BD_BUTTERFLY_EXPLODES_TO,
 654   GADGET_ID_BD_BUTTERFLY_2_EXPLODES_TO,
 655   GADGET_ID_BD_STONEFLY_EXPLODES_TO,
 656   GADGET_ID_BD_DRAGONFLY_EXPLODES_TO,
 657   GADGET_ID_BD_DIAMOND_BIRTH_TURNS_TO,
 658   GADGET_ID_BD_BOMB_EXPLOSION_TURNS_TO,
 659   GADGET_ID_BD_NITRO_EXPLOSION_TURNS_TO,
 660   GADGET_ID_BD_EXPLOSION_TURNS_TO,
 661   GADGET_ID_START_ELEMENT,
 662   GADGET_ID_ARTWORK_ELEMENT,
 663   GADGET_ID_EXPLOSION_ELEMENT,
 664   GADGET_ID_INVENTORY_CONTENT,
 665   GADGET_ID_MM_BALL_CONTENT,
 666   GADGET_ID_CUSTOM_GRAPHIC,
 667   GADGET_ID_CUSTOM_CONTENT,
 668   GADGET_ID_CUSTOM_MOVE_ENTER,
 669   GADGET_ID_CUSTOM_MOVE_LEAVE,
 670   GADGET_ID_CUSTOM_CHANGE_TARGET,
 671   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 672   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 673   GADGET_ID_CUSTOM_CHANGE_ACTION,
 674   GADGET_ID_GROUP_CONTENT,
 675   GADGET_ID_RANDOM_BACKGROUND,
 676
 677   // text input identifiers
 678
 679   GADGET_ID_LEVEL_NAME,
 680   GADGET_ID_LEVEL_AUTHOR,
 681   GADGET_ID_LEVELSET_NAME,
 682   GADGET_ID_LEVELSET_AUTHOR,
 683   GADGET_ID_ELEMENT_NAME,
 684
 685   // text area identifiers
 686
 687   GADGET_ID_ENVELOPE_INFO,
 688
 689   // selectbox identifiers
 690
 691   GADGET_ID_TIME_OR_STEPS,
 692   GADGET_ID_TIME_SCORE_BASE,
 693   GADGET_ID_GAME_ENGINE_TYPE,
 694   GADGET_ID_BD_SCHEDULING_TYPE,
 695   GADGET_ID_LEVELSET_SAVE_MODE,
 696   GADGET_ID_WIND_DIRECTION,
 697   GADGET_ID_PLAYER_SPEED,
 698   GADGET_ID_BD_GRAVITY_DIRECTION,
 699   GADGET_ID_MM_BALL_CHOICE_MODE,
 700   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 701   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 702   GADGET_ID_CUSTOM_DEADLINESS,
 703   GADGET_ID_CUSTOM_MOVE_PATTERN,
 704   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 705   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 706   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 707   GADGET_ID_CUSTOM_SMASH_TARGETS,
 708   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 709   GADGET_ID_CUSTOM_ACCESS_TYPE,
 710   GADGET_ID_CUSTOM_ACCESS_LAYER,
 711   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 712   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 713   GADGET_ID_CHANGE_TIME_UNITS,
 714   GADGET_ID_CHANGE_DIRECT_ACTION,
 715   GADGET_ID_CHANGE_OTHER_ACTION,
 716   GADGET_ID_CHANGE_SIDE,
 717   GADGET_ID_CHANGE_PLAYER,
 718   GADGET_ID_CHANGE_PAGE,
 719   GADGET_ID_CHANGE_REPLACE_WHEN,
 720   GADGET_ID_ACTION_TYPE,
 721   GADGET_ID_ACTION_MODE,
 722   GADGET_ID_ACTION_ARG,
 723   GADGET_ID_SELECT_CHANGE_PAGE,
 724   GADGET_ID_GROUP_CHOICE_MODE,
 725
 726   // textbutton identifiers
 727
 728   GADGET_ID_LEVELCONFIG_LEVEL,
 729   GADGET_ID_LEVELCONFIG_LEVELSET,
 730   GADGET_ID_LEVELCONFIG_EDITOR,
 731   GADGET_ID_LEVELCONFIG_ENGINE,
 732   GADGET_ID_ENGINECONFIG_CONFIG,
 733   GADGET_ID_ENGINECONFIG_COLORS,
 734   GADGET_ID_PROPERTIES_INFO,
 735   GADGET_ID_PROPERTIES_CONFIG,
 736   GADGET_ID_PROPERTIES_CONFIG_1,
 737   GADGET_ID_PROPERTIES_CONFIG_2,
 738   GADGET_ID_PROPERTIES_CHANGE,
 739   GADGET_ID_SAVE_AS_TEMPLATE_1,
 740   GADGET_ID_SAVE_AS_TEMPLATE_2,
 741   GADGET_ID_SAVE_LEVELSET,
 742   GADGET_ID_ADD_CHANGE_PAGE,
 743   GADGET_ID_DEL_CHANGE_PAGE,
 744
 745   // graphicbutton identifiers
 746
 747   GADGET_ID_PREV_CHANGE_PAGE,
 748   GADGET_ID_NEXT_CHANGE_PAGE,
 749   GADGET_ID_COPY_CHANGE_PAGE,
 750   GADGET_ID_PASTE_CHANGE_PAGE,
 751
 752   // gadgets for scrolling of drawing area
 753
 754   GADGET_ID_SCROLL_UP,
 755   GADGET_ID_SCROLL_DOWN,
 756   GADGET_ID_SCROLL_LEFT,
 757   GADGET_ID_SCROLL_RIGHT,
 758   GADGET_ID_SCROLL_HORIZONTAL,
 759   GADGET_ID_SCROLL_VERTICAL,
 760
 761   // gadgets for scrolling element list
 762
 763   GADGET_ID_SCROLL_LIST_UP,
 764   GADGET_ID_SCROLL_LIST_DOWN,
 765   GADGET_ID_SCROLL_LIST_VERTICAL,
 766
 767   // checkbuttons/radiobuttons for level/element properties
 768
 769   GADGET_ID_AUTO_COUNT_GEMS,
 770   GADGET_ID_RATE_TIME_OVER_SCORE,
 771   GADGET_ID_USE_LEVELSET_ARTWORK,
 772   GADGET_ID_COPY_LEVEL_TEMPLATE,
 773   GADGET_ID_RANDOM_PERCENTAGE,
 774   GADGET_ID_RANDOM_QUANTITY,
 775   GADGET_ID_RANDOM_RESTRICTED,
 776   GADGET_ID_BD_INTERMISSION,
 777   GADGET_ID_BD_PAL_TIMING,
 778   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 779   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 780   GADGET_ID_BD_SHORT_EXPLOSIONS,
 781   GADGET_ID_STICK_ELEMENT,
 782   GADGET_ID_EM_SLIPPERY_GEMS,
 783   GADGET_ID_EM_EXPLODES_BY_FIRE,
 784   GADGET_ID_USE_SPRING_BUG,
 785   GADGET_ID_USE_TIME_ORB_BUG,
 786   GADGET_ID_USE_LIFE_BUGS,
 787   GADGET_ID_RANDOM_BALL_CONTENT,
 788   GADGET_ID_INITIAL_BALL_ACTIVE,
 789   GADGET_ID_GROW_INTO_DIGGABLE,
 790   GADGET_ID_SB_FIELDS_NEEDED,
 791   GADGET_ID_SB_OBJECTS_NEEDED,
 792   GADGET_ID_AUTO_EXIT_SOKOBAN,
 793   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 794   GADGET_ID_FINISH_DIG_COLLECT,
 795   GADGET_ID_KEEP_WALKABLE_CE,
 796   GADGET_ID_CONTINUOUS_SNAPPING,
 797   GADGET_ID_BLOCK_SNAP_FIELD,
 798   GADGET_ID_BLOCK_LAST_FIELD,
 799   GADGET_ID_SP_BLOCK_LAST_FIELD,
 800   GADGET_ID_INSTANT_RELOCATION,
 801   GADGET_ID_SHIFTED_RELOCATION,
 802   GADGET_ID_LAZY_RELOCATION,
 803   GADGET_ID_USE_START_ELEMENT,
 804   GADGET_ID_USE_ARTWORK_ELEMENT,
 805   GADGET_ID_USE_EXPLOSION_ELEMENT,
 806   GADGET_ID_INITIAL_GRAVITY,
 807   GADGET_ID_USE_INITIAL_INVENTORY,
 808   GADGET_ID_CAN_PASS_TO_WALKABLE,
 809   GADGET_ID_CAN_FALL_INTO_ACID,
 810   GADGET_ID_CAN_MOVE_INTO_ACID,
 811   GADGET_ID_DONT_COLLIDE_WITH,
 812   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 813   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 814   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 815   GADGET_ID_BD_MAGIC_WALL_ZERO_INFINITE,
 816   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 817   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 818   GADGET_ID_BD_MAGIC_WALL_BREAK_SCAN,
 819   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 820   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 821   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 822   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 823   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 824   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 825   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 826   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 827   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 828   GADGET_ID_BD_REPLICATORS_ACTIVE,
 829   GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,
 830   GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,
 831   GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,
 832   GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,
 833   GADGET_ID_BD_INFINITE_ROCKETS,
 834   GADGET_ID_BD_CREATURES_START_BACKWARDS,
 835   GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,
 836   GADGET_ID_BD_GRAVITY_SWITCH_ACTIVE,
 837   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 838   GADGET_ID_ENVELOPE_AUTOWRAP,
 839   GADGET_ID_ENVELOPE_CENTERED,
 840   GADGET_ID_MM_LASER_RED,
 841   GADGET_ID_MM_LASER_GREEN,
 842   GADGET_ID_MM_LASER_BLUE,
 843   GADGET_ID_DF_LASER_RED,
 844   GADGET_ID_DF_LASER_GREEN,
 845   GADGET_ID_DF_LASER_BLUE,
 846   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 847   GADGET_ID_EXPLODE_MM_BALL,
 848   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 849   GADGET_ID_CUSTOM_CAN_EXPLODE,
 850   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 851   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 852   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 853   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 854   GADGET_ID_CUSTOM_DEADLY,
 855   GADGET_ID_CUSTOM_CAN_MOVE,
 856   GADGET_ID_CUSTOM_CAN_FALL,
 857   GADGET_ID_CUSTOM_CAN_SMASH,
 858   GADGET_ID_CUSTOM_SLIPPERY,
 859   GADGET_ID_CUSTOM_ACCESSIBLE,
 860   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 861   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 862   GADGET_ID_CUSTOM_USE_GRAPHIC,
 863   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 864   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 865   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 866   GADGET_ID_CUSTOM_CAN_CHANGE,
 867   GADGET_ID_CHANGE_USE_CONTENT,
 868   GADGET_ID_CHANGE_USE_EXPLOSION,
 869   GADGET_ID_CHANGE_ONLY_COMPLETE,
 870   GADGET_ID_CHANGE_USE_RANDOM,
 871   GADGET_ID_CHANGE_HAS_ACTION,
 872   GADGET_ID_CHANGE_DELAY,
 873   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 874   GADGET_ID_CHANGE_BY_OTHER_ACT,
 875
 876   NUM_STATIC_GADGET_IDS
 877 };
 878
 879 // gadgets for buttons in element list (dynamic)
 880 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 881 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 882                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 883
 884 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 885
 886 // radio button numbers
 887 enum
 888 {
 889   RADIO_NR_NONE,
 890   RADIO_NR_DRAWING_TOOLBOX,
 891   RADIO_NR_RANDOM_ELEMENTS
 892 };
 893
 894 // values for counter gadgets
 895 enum
 896 {
 897   ED_COUNTER_ID_SELECT_LEVEL,
 898   ED_COUNTER_ID_LEVEL_XSIZE,
 899   ED_COUNTER_ID_LEVEL_YSIZE,
 900   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 901   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 902   ED_COUNTER_ID_LEVEL_TIMESCORE,
 903   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 904   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 905   ED_COUNTER_ID_LEVEL_RANDOM,
 906   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 907   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 908   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 909   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 910   ED_COUNTER_ID_BD_PUSHING_PROB,
 911   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 912   ED_COUNTER_ID_ELEMENT_VALUE1,
 913   ED_COUNTER_ID_ELEMENT_VALUE2,
 914   ED_COUNTER_ID_ELEMENT_VALUE3,
 915   ED_COUNTER_ID_ELEMENT_VALUE4,
 916   ED_COUNTER_ID_YAMYAM_CONTENT,
 917   ED_COUNTER_ID_BALL_CONTENT,
 918   ED_COUNTER_ID_ANDROID_CONTENT,
 919   ED_COUNTER_ID_ENVELOPE_XSIZE,
 920   ED_COUNTER_ID_ENVELOPE_YSIZE,
 921   ED_COUNTER_ID_INVENTORY_SIZE,
 922   ED_COUNTER_ID_MM_BALL_CONTENT,
 923   ED_COUNTER_ID_CUSTOM_SCORE,
 924   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 925   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 926   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 927   ED_COUNTER_ID_PUSH_DELAY_FIX,
 928   ED_COUNTER_ID_PUSH_DELAY_RND,
 929   ED_COUNTER_ID_DROP_DELAY_FIX,
 930   ED_COUNTER_ID_DROP_DELAY_RND,
 931   ED_COUNTER_ID_MOVE_DELAY_FIX,
 932   ED_COUNTER_ID_MOVE_DELAY_RND,
 933   ED_COUNTER_ID_STEP_DELAY_FIX,
 934   ED_COUNTER_ID_STEP_DELAY_RND,
 935   ED_COUNTER_ID_EXPLOSION_DELAY,
 936   ED_COUNTER_ID_IGNITION_DELAY,
 937   ED_COUNTER_ID_GROUP_CONTENT,
 938   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 939   ED_COUNTER_ID_CHANGE_DELAY_RND,
 940   ED_COUNTER_ID_CHANGE_CONT_RND,
 941
 942   ED_NUM_COUNTERBUTTONS
 943 };
 944
 945 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 946 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 947 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 948 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 949 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 950 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 951
 952 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 953 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 954 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 955 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 956 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 957 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 958
 959 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 960 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 961
 962 // values for scrollbutton gadgets
 963 enum
 964 {
 965   ED_SCROLLBUTTON_ID_AREA_UP,
 966   ED_SCROLLBUTTON_ID_AREA_DOWN,
 967   ED_SCROLLBUTTON_ID_AREA_LEFT,
 968   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 969   ED_SCROLLBUTTON_ID_LIST_UP,
 970   ED_SCROLLBUTTON_ID_LIST_DOWN,
 971
 972   ED_NUM_SCROLLBUTTONS
 973 };
 974
 975 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 976 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 977
 978 // values for scrollbar gadgets
 979 enum
 980 {
 981   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 982   ED_SCROLLBAR_ID_AREA_VERTICAL,
 983   ED_SCROLLBAR_ID_LIST_VERTICAL,
 984
 985   ED_NUM_SCROLLBARS
 986 };
 987
 988 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 989 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 990
 991 // values for text input gadgets
 992 enum
 993 {
 994   ED_TEXTINPUT_ID_LEVEL_NAME,
 995   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 996   ED_TEXTINPUT_ID_LEVELSET_NAME,
 997   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 998   ED_TEXTINPUT_ID_ELEMENT_NAME,
 999
1000   ED_NUM_TEXTINPUT
1001 };
1002
1003 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
1004 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
1005
1006 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
1007 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
1008
1009 // values for text area gadgets
1010 enum
1011 {
1012   ED_TEXTAREA_ID_ENVELOPE_INFO,
1013
1014   ED_NUM_TEXTAREAS
1015 };
1016
1017 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
1018 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
1019
1020 // values for selectbox gadgets
1021 enum
1022 {
1023   ED_SELECTBOX_ID_TIME_OR_STEPS,
1024   ED_SELECTBOX_ID_TIME_SCORE_BASE,
1025   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
1026   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
1027   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
1028   ED_SELECTBOX_ID_WIND_DIRECTION,
1029   ED_SELECTBOX_ID_PLAYER_SPEED,
1030   ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION,
1031   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
1032   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
1033   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
1034   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
1035   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
1036   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
1037   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
1038   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
1039   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
1040   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
1041   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
1042   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
1043   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
1044   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
1045   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
1046   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
1047   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
1048   ED_SELECTBOX_ID_CHANGE_SIDE,
1049   ED_SELECTBOX_ID_CHANGE_PLAYER,
1050   ED_SELECTBOX_ID_CHANGE_PAGE,
1051   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
1052   ED_SELECTBOX_ID_ACTION_TYPE,
1053   ED_SELECTBOX_ID_ACTION_MODE,
1054   ED_SELECTBOX_ID_ACTION_ARG,
1055   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
1056   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
1057
1058   ED_NUM_SELECTBOX
1059 };
1060
1061 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
1062 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
1063
1064 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
1065 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
1066
1067 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
1068 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
1069
1070 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
1071 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
1072 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
1073 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
1074 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
1075 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
1076
1077 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
1078 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
1079
1080 // values for textbutton gadgets
1081 enum
1082 {
1083   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
1084   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
1085   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
1086   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
1087   ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG,
1088   ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS,
1089   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
1090   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
1091   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
1092   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
1093   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
1094   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
1095   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
1096   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
1097   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
1098   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
1099
1100   ED_NUM_TEXTBUTTONS
1101 };
1102
1103 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1104 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1105
1106 #define ED_TAB_BUTTON_ID_ENGINECONFIG_FIRST ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG
1107 #define ED_TAB_BUTTON_ID_ENGINECONFIG_LAST  ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS
1108
1109 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
1110 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1111
1112 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1113 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1114
1115 // values for graphicbutton gadgets
1116 enum
1117 {
1118   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1119   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1120   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1121   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1122
1123   ED_NUM_GRAPHICBUTTONS
1124 };
1125
1126 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1127 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1128
1129 // values for checkbutton gadgets
1130 enum
1131 {
1132   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1133   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1134   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1135   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1136   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1137   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1138   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1139   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1140   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1141   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1142   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1143   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1144   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1145   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1146   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1147   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1148   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1149   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1150   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1151   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1152   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1153   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1154   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1155   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1156   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1157   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1158   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1159   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1160   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1161   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1162   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1163   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1164   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1165   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1166   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1167   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1168   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1169   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1170   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1171   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1172   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1173   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1174   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1175   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1176   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1177   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1178   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE,
1179   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1180   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1181   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN,
1182   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1183   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1184   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1185   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1186   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1187   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1188   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1189   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1190   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1191   ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
1192   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
1193   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
1194   ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
1195   ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
1196   ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS,
1197   ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
1198   ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
1199   ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE,
1200   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1201   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1202   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1203   ED_CHECKBUTTON_ID_MM_LASER_RED,
1204   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1205   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1206   ED_CHECKBUTTON_ID_DF_LASER_RED,
1207   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1208   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1209   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1210   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1211   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1212   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1213   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1214   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1215   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1216   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1217   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1218   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1219   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1220   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1221   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1222   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1223   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1224   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1225   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1226   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1227   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1228   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1229   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1230   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1231   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1232   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1233   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1234   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1235   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1236
1237   ED_NUM_CHECKBUTTONS
1238 };
1239
1240 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1241 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1242
1243 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1244 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1245
1246 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1247 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1248
1249 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1250 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS
1251
1252 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1253 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1254 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1255 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1256 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1257 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1258
1259 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1260 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1261
1262 // values for radiobutton gadgets
1263 enum
1264 {
1265   ED_RADIOBUTTON_ID_PERCENTAGE,
1266   ED_RADIOBUTTON_ID_QUANTITY,
1267
1268   ED_NUM_RADIOBUTTONS
1269 };
1270
1271 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1272 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1273
1274 // values for drawing area gadgets
1275 enum
1276 {
1277   ED_DRAWING_ID_DRAWING_LEVEL,
1278   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1279   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1280   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1281   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1282   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1283   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1284   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1285   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1286   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1287   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1288   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1289   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1290   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1291   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1292   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1293   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1294   ED_DRAWING_ID_ANDROID_CONTENT,
1295   ED_DRAWING_ID_AMOEBA_CONTENT,
1296   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1297   ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
1298   ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
1299   ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
1300   ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
1301   ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
1302   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
1303   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
1304   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1305   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1306   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1307   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1308   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1309   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1310   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
1311   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
1312   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
1313   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
1314   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
1315   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
1316   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1317   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1318   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1319   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1320   ED_DRAWING_ID_BD_NUT_CONTENT,
1321   ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
1322   ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
1323   ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING,
1324   ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT,
1325   ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,
1326   ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,
1327   ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO,
1328   ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO,
1329   ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO,
1330   ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO,
1331   ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO,
1332   ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO,
1333   ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO,
1334   ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO,
1335   ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO,
1336   ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO,
1337   ED_DRAWING_ID_START_ELEMENT,
1338   ED_DRAWING_ID_ARTWORK_ELEMENT,
1339   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1340   ED_DRAWING_ID_INVENTORY_CONTENT,
1341   ED_DRAWING_ID_MM_BALL_CONTENT,
1342   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1343   ED_DRAWING_ID_CUSTOM_CONTENT,
1344   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1345   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1346   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1347   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1348   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1349   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1350   ED_DRAWING_ID_GROUP_CONTENT,
1351   ED_DRAWING_ID_RANDOM_BACKGROUND,
1352
1353   ED_NUM_DRAWING_AREAS
1354 };
1355
1356 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1357 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1358
1359
1360 // ----------------------------------------------------------------------------
1361 // some internally used definitions
1362 // ----------------------------------------------------------------------------
1363
1364 // values for CopyLevelToUndoBuffer()
1365 #define UNDO_IMMEDIATE                  0
1366 #define UNDO_ACCUMULATE                 1
1367
1368 // values for scrollbars
1369 #define ED_SCROLL_NO                    0
1370 #define ED_SCROLL_LEFT                  1
1371 #define ED_SCROLL_RIGHT                 2
1372 #define ED_SCROLL_UP                    4
1373 #define ED_SCROLL_DOWN                  8
1374
1375 // screens in the level editor
1376 #define ED_MODE_DRAWING                 0
1377 #define ED_MODE_LEVELCONFIG             1
1378 #define ED_MODE_PROPERTIES              2
1379 #define ED_MODE_PALETTE                 3
1380
1381 // sub-screens in the global settings section
1382 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1383 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1384 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1385 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1386
1387 // sub-screens in the engine settings section
1388 #define ED_MODE_ENGINECONFIG_CONFIG     ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG
1389 #define ED_MODE_ENGINECONFIG_COLORS     ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS
1390
1391 // sub-screens in the element properties section
1392 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1393 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1394 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1395 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1396 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1397
1398 // how many steps can be cancelled
1399 #define NUM_UNDO_STEPS                  (64 + 1)
1400
1401 // values for elements with score for certain actions
1402 #define MIN_SCORE                       0
1403 #define MAX_SCORE                       999
1404
1405 // values for elements with count for collecting
1406 #define MIN_COLLECT_COUNT               0
1407 #define MAX_COLLECT_COUNT               999
1408
1409 // values for random placement
1410 #define RANDOM_USE_PERCENTAGE           0
1411 #define RANDOM_USE_QUANTITY             1
1412
1413 // values for level set save mode
1414 #define LEVELSET_SAVE_MODE_UPDATE       0
1415 #define LEVELSET_SAVE_MODE_CREATE       1
1416
1417 // default value for element tile size in drawing area
1418 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1419 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1420
1421
1422 // ----------------------------------------------------------------------------
1423 // some internally used data structure definitions
1424 // ----------------------------------------------------------------------------
1425
1426 static struct
1427 {
1428   int graphic;
1429   int gadget_id;
1430   struct XYTileSize *pos;
1431   int gadget_type;
1432   char *infotext;
1433   char shortcut;
1434 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1435 {
1436   // note: some additional characters are already reserved for "cheat mode"
1437   // shortcuts (":XYZ" style) -- for details, see "events.c"
1438
1439   // ---------- toolbox control buttons ---------------------------------------
1440
1441   {
1442     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1443     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1444     "Draw single items",                        's'
1445   },
1446   {
1447     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1448     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1449     "Draw connected items",                     'd'
1450   },
1451   {
1452     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1453     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1454     "Draw lines",                               'l'
1455   },
1456   {
1457     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1458     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1459     "Draw arcs",                                'a'
1460   },
1461   {
1462     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1463     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1464     "Draw outline rectangles",                  'r'
1465   },
1466   {
1467     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1468     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1469     "Draw filled rectangles",                   'R'
1470   },
1471   {
1472     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1473     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1474     "Wrap (rotate) level up",                   0
1475   },
1476   {
1477     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1478     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1479     "Enter text elements",                      't'
1480   },
1481   {
1482     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1483     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1484     "Flood fill",                               'f'
1485   },
1486   {
1487     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1488     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1489     "Wrap (rotate) level left",                 0
1490   },
1491   {
1492     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1493     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1494     "Zoom level tile size",                     '+'
1495   },
1496   {
1497     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1498     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1499     "Wrap (rotate) level right",                0
1500   },
1501   {
1502     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1503     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1504     "Random element placement",                 0
1505   },
1506   {
1507     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1508     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1509     "Grab brush",                               'b'
1510   },
1511   {
1512     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1513     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1514     "Wrap (rotate) level down",                 0
1515   },
1516   {
1517     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1518     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1519     "Pick drawing element",                     ','
1520   },
1521
1522   // ---------- level control buttons -----------------------------------------
1523
1524   {
1525     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1526     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1527     "Undo/redo last operation",                 'u'
1528   },
1529   {
1530     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1531     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1532     "Level and editor settings",                'I'
1533   },
1534   {
1535     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1536     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1537     "Save level",                               'S'
1538   },
1539   {
1540     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1541     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1542     "Clear level",                              'C'
1543   },
1544   {
1545     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1546     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1547     "Test level",                               'T'
1548   },
1549   {
1550     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1551     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1552     "Exit level editor",                        'E'
1553   },
1554
1555   // ---------- CE and GE control buttons -------------------------------------
1556
1557   {
1558     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1559     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1560     "Copy settings from other element",         0
1561   },
1562   {
1563     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1564     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1565     "Copy settings to other element",           0
1566   },
1567   {
1568     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1569     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1570     "Exchange element with other element",      0
1571   },
1572   {
1573     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1574     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1575     "Copy settings from this element",          0
1576   },
1577   {
1578     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1579     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1580     "Paste settings to this element",           0
1581   },
1582
1583   // ---------- palette control buttons ---------------------------------------
1584
1585   {
1586     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1587     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1588     "Properties of drawing element",            'p'
1589   },
1590   {
1591     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1592     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1593     "Properties of drawing element 1",          '1'
1594   },
1595   {
1596     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1597     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1598     "Properties of drawing element 2",          '2'
1599   },
1600   {
1601     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1602     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1603     "Properties of drawing element 3",          '3'
1604   },
1605   {
1606     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1607     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1608     "Show list of elements",                    'e'
1609   }
1610 };
1611
1612 static int random_placement_value = 10;
1613 static int random_placement_method = RANDOM_USE_QUANTITY;
1614 static int random_placement_background_element = EL_SAND;
1615 static boolean random_placement_background_restricted = FALSE;
1616 static boolean stick_element_properties_window = FALSE;
1617 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1618 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1619 static struct ElementChangeInfo custom_element_change;
1620 static struct ElementGroupInfo group_element_info;
1621 static struct ElementInfo custom_element;
1622
1623 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1624 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1625 static int levelset_num_levels = 100;
1626 static boolean levelset_use_levelset_artwork = FALSE;
1627 static boolean levelset_copy_level_template = FALSE;
1628 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1629
1630 static struct
1631 {
1632   int gadget_type_id;
1633   int x, y;
1634   int min_value, max_value;
1635   int gadget_id_down, gadget_id_up;
1636   int gadget_id_text;
1637   int gadget_id_align;
1638   int *value;
1639   char *text_above, *text_left, *text_right;
1640 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1641 {
1642   // ---------- current level number ------------------------------------------
1643
1644   {
1645     ED_COUNTER_ID_SELECT_LEVEL,
1646     -1, -1,     // these values are not constant, but can change at runtime
1647     1,                                          100,
1648     GADGET_ID_SELECT_LEVEL_DOWN,                GADGET_ID_SELECT_LEVEL_UP,
1649     GADGET_ID_SELECT_LEVEL_TEXT,                GADGET_ID_NONE,
1650     &level_nr,
1651     NULL,                                       NULL, NULL
1652   },
1653
1654   // ---------- level and editor settings -------------------------------------
1655
1656   {
1657     ED_COUNTER_ID_LEVEL_XSIZE,
1658     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1659     MIN_LEV_FIELDX,                             MAX_LEV_FIELDX,
1660     GADGET_ID_LEVEL_XSIZE_DOWN,                 GADGET_ID_LEVEL_XSIZE_UP,
1661     GADGET_ID_LEVEL_XSIZE_TEXT,                 GADGET_ID_NONE,
1662     &level.fieldx,
1663     "Playfield size:",                          NULL, "Width",
1664   },
1665   {
1666     ED_COUNTER_ID_LEVEL_YSIZE,
1667     -1,                                         ED_LEVEL_SETTINGS_YPOS(4),
1668     MIN_LEV_FIELDY,                             MAX_LEV_FIELDY,
1669     GADGET_ID_LEVEL_YSIZE_DOWN,                 GADGET_ID_LEVEL_YSIZE_UP,
1670     GADGET_ID_LEVEL_YSIZE_TEXT,                 GADGET_ID_LEVEL_XSIZE_UP,
1671     &level.fieldy,
1672     NULL,                                       " ", "Height",
1673   },
1674   {
1675     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1676     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
1677     0,                                          999,
1678     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,             GADGET_ID_LEVEL_GEMSLIMIT_UP,
1679     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,             GADGET_ID_NONE,
1680     &level.gems_needed,
1681     NULL,                                       "Number of gems to collect:", NULL
1682   },
1683   {
1684     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1685     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
1686     0,                                          9999,
1687     GADGET_ID_LEVEL_TIMELIMIT_DOWN,             GADGET_ID_LEVEL_TIMELIMIT_UP,
1688     GADGET_ID_LEVEL_TIMELIMIT_TEXT,             GADGET_ID_NONE,
1689     &level.time,
1690     "Time or step limit to solve level:",       NULL, NULL
1691   },
1692   {
1693     ED_COUNTER_ID_LEVEL_TIMESCORE,
1694     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
1695     0,                                          999,
1696     GADGET_ID_LEVEL_TIMESCORE_DOWN,             GADGET_ID_LEVEL_TIMESCORE_UP,
1697     GADGET_ID_LEVEL_TIMESCORE_TEXT,             GADGET_ID_NONE,
1698     &level.score[SC_TIME_BONUS],
1699     "Score for time or steps left:",            NULL, NULL
1700   },
1701   {
1702     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1703     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(13),
1704     0,                                          9999,
1705     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,           GADGET_ID_LEVEL_RANDOM_SEED_UP,
1706     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,           GADGET_ID_NONE,
1707     &level.random_seed,
1708     NULL,                                       "Random seed:", "(0 => random)"
1709   },
1710   {
1711     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1712     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1713     1,                                          MAX_LEVELS,
1714     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,         GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1715     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,         GADGET_ID_NONE,
1716     &levelset_num_levels,
1717     "Number of levels:",                        NULL, NULL,
1718   },
1719   {
1720     ED_COUNTER_ID_LEVEL_RANDOM,
1721     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1722     1,                                          100,
1723     GADGET_ID_LEVEL_RANDOM_DOWN,                GADGET_ID_LEVEL_RANDOM_UP,
1724     GADGET_ID_LEVEL_RANDOM_TEXT,                GADGET_ID_NONE,
1725     &random_placement_value,
1726     "Random element placement:",                NULL, "in"
1727   },
1728   {
1729     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1730     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
1731     50,                                         500,
1732     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,           GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1733     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,           GADGET_ID_NONE,
1734     &level.bd_cycle_delay_ms,
1735     NULL,                                       NULL, "Game cycle delay (ms)"
1736   },
1737   {
1738     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1739     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(3),
1740     0,                                          32,
1741     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,          GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1742     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,          GADGET_ID_NONE,
1743     &level.bd_cycle_delay_c64,
1744     NULL,                                       NULL, "Game cycle delay (C64-style)"
1745   },
1746   {
1747     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1748     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
1749     1,                                          40,
1750     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1751     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1752     &level.bd_hatching_delay_cycles,
1753     NULL,                                       NULL, "Hatching delay (cycles)"
1754   },
1755   {
1756     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1757     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(4),
1758     1,                                          40,
1759     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1760     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1761     &level.bd_hatching_delay_seconds,
1762     NULL,                                       NULL, "Hatching delay (seconds)"
1763   },
1764
1765   // ---------- element settings: configure (various elements) ----------------
1766
1767   {
1768     ED_COUNTER_ID_BD_PUSHING_PROB,
1769     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1770     0,                                          100,
1771     GADGET_ID_BD_PUSHING_PROB_DOWN,             GADGET_ID_BD_PUSHING_PROB_UP,
1772     GADGET_ID_BD_PUSHING_PROB_TEXT,             GADGET_ID_NONE,
1773     &level.bd_pushing_prob,
1774     NULL,                                       NULL, "Push probability"
1775   },
1776   {
1777     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1778     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1779     0,                                          100,
1780     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1781     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1782     &level.bd_pushing_prob_with_sweet,
1783     NULL,                                       NULL, "Push probability with sweet"
1784   },
1785   {
1786     ED_COUNTER_ID_ELEMENT_VALUE1,
1787     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1788     MIN_SCORE,                                  MAX_SCORE,
1789     GADGET_ID_ELEMENT_VALUE1_DOWN,              GADGET_ID_ELEMENT_VALUE1_UP,
1790     GADGET_ID_ELEMENT_VALUE1_TEXT,              GADGET_ID_NONE,
1791     NULL,                                       // will be set when used
1792     NULL,                                       NULL, NULL
1793   },
1794   {
1795     ED_COUNTER_ID_ELEMENT_VALUE2,
1796     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
1797     MIN_SCORE,                                  MAX_SCORE,
1798     GADGET_ID_ELEMENT_VALUE2_DOWN,              GADGET_ID_ELEMENT_VALUE2_UP,
1799     GADGET_ID_ELEMENT_VALUE2_TEXT,              GADGET_ID_NONE,
1800     NULL,                                       // will be set when used
1801     NULL,                                       NULL, NULL
1802   },
1803   {
1804     ED_COUNTER_ID_ELEMENT_VALUE3,
1805     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1806     MIN_SCORE,                                  MAX_SCORE,
1807     GADGET_ID_ELEMENT_VALUE3_DOWN,              GADGET_ID_ELEMENT_VALUE3_UP,
1808     GADGET_ID_ELEMENT_VALUE3_TEXT,              GADGET_ID_NONE,
1809     NULL,                                       // will be set when used
1810     NULL,                                       NULL, NULL
1811   },
1812   {
1813     ED_COUNTER_ID_ELEMENT_VALUE4,
1814     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1815     MIN_SCORE,                                  MAX_SCORE,
1816     GADGET_ID_ELEMENT_VALUE4_DOWN,              GADGET_ID_ELEMENT_VALUE4_UP,
1817     GADGET_ID_ELEMENT_VALUE4_TEXT,              GADGET_ID_NONE,
1818     NULL,                                       // will be set when used
1819     NULL,                                       NULL, NULL
1820   },
1821   {
1822     ED_COUNTER_ID_YAMYAM_CONTENT,
1823     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1824     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1825     GADGET_ID_YAMYAM_CONTENT_DOWN,              GADGET_ID_YAMYAM_CONTENT_UP,
1826     GADGET_ID_YAMYAM_CONTENT_TEXT,              GADGET_ID_NONE,
1827     &level.num_yamyam_contents,
1828     NULL,                                       NULL, "Number of content areas"
1829   },
1830   {
1831     ED_COUNTER_ID_BALL_CONTENT,
1832     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1833     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1834     GADGET_ID_BALL_CONTENT_DOWN,                GADGET_ID_BALL_CONTENT_UP,
1835     GADGET_ID_BALL_CONTENT_TEXT,                GADGET_ID_NONE,
1836     &level.num_ball_contents,
1837     NULL,                                       NULL, "Number of content areas"
1838   },
1839   {
1840     ED_COUNTER_ID_ANDROID_CONTENT,
1841     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1842     MIN_ANDROID_ELEMENTS,                       MAX_ANDROID_ELEMENTS,
1843     GADGET_ID_ANDROID_CONTENT_DOWN,             GADGET_ID_ANDROID_CONTENT_UP,
1844     GADGET_ID_ANDROID_CONTENT_TEXT,             GADGET_ID_NONE,
1845     &level.num_android_clone_elements,
1846     NULL,                                       NULL, "Number of clonable elements"
1847   },
1848   {
1849     ED_COUNTER_ID_ENVELOPE_XSIZE,
1850     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1851     MIN_ENVELOPE_XSIZE,                         MAX_ENVELOPE_XSIZE,
1852     GADGET_ID_ENVELOPE_XSIZE_DOWN,              GADGET_ID_ENVELOPE_XSIZE_UP,
1853     GADGET_ID_ENVELOPE_XSIZE_TEXT,              GADGET_ID_NONE,
1854     NULL,                                       // will be set when used
1855     NULL,                                       NULL, "Width",
1856   },
1857   {
1858     ED_COUNTER_ID_ENVELOPE_YSIZE,
1859     -1,                                         ED_ELEMENT_SETTINGS_YPOS(0),
1860     MIN_ENVELOPE_YSIZE,                         MAX_ENVELOPE_YSIZE,
1861     GADGET_ID_ENVELOPE_YSIZE_DOWN,              GADGET_ID_ENVELOPE_YSIZE_UP,
1862     GADGET_ID_ENVELOPE_YSIZE_TEXT,              GADGET_ID_ENVELOPE_XSIZE_UP,
1863     NULL,                                       // will be set when used
1864     NULL,                                       " ", "Height",
1865   },
1866   {
1867     ED_COUNTER_ID_INVENTORY_SIZE,
1868     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1869     MIN_INITIAL_INVENTORY_SIZE,                 MAX_INITIAL_INVENTORY_SIZE,
1870     GADGET_ID_INVENTORY_SIZE_DOWN,              GADGET_ID_INVENTORY_SIZE_UP,
1871     GADGET_ID_INVENTORY_SIZE_TEXT,              GADGET_ID_NONE,
1872     &level.initial_inventory_size[0],
1873     NULL,                                       NULL, "Number of inventory elements"
1874   },
1875   {
1876     ED_COUNTER_ID_MM_BALL_CONTENT,
1877     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1878     MIN_ELEMENTS_IN_GROUP,                      MAX_MM_BALL_CONTENTS,
1879     GADGET_ID_MM_BALL_CONTENT_DOWN,             GADGET_ID_MM_BALL_CONTENT_UP,
1880     GADGET_ID_MM_BALL_CONTENT_TEXT,             GADGET_ID_NONE,
1881     &level.num_mm_ball_contents,
1882     NULL,                                       NULL, "Number of content elements"
1883   },
1884
1885   // ---------- element settings: configure 1 (custom elements) ---------------
1886
1887   {
1888     ED_COUNTER_ID_CUSTOM_SCORE,
1889     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
1890     MIN_SCORE,                                  MAX_SCORE,
1891     GADGET_ID_CUSTOM_SCORE_DOWN,                GADGET_ID_CUSTOM_SCORE_UP,
1892     GADGET_ID_CUSTOM_SCORE_TEXT,                GADGET_ID_NONE,
1893     &custom_element.collect_score_initial,
1894     NULL,                                       "CE score", " "
1895   },
1896   {
1897     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1898     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
1899     MIN_COLLECT_COUNT,                          MAX_COLLECT_COUNT,
1900     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,             GADGET_ID_CUSTOM_GEMCOUNT_UP,
1901     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,             GADGET_ID_CUSTOM_SCORE_UP,
1902     &custom_element.collect_count_initial,
1903     NULL,                                       "CE count", NULL
1904   },
1905   {
1906     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1907     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1908     0,                                          9999,
1909     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1910     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,            GADGET_ID_NONE,
1911     &custom_element.ce_value_fixed_initial,
1912     NULL,                                       "CE value", NULL
1913   },
1914   {
1915     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1916     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1917     0,                                          9999,
1918     GADGET_ID_CUSTOM_VALUE_RND_DOWN,            GADGET_ID_CUSTOM_VALUE_RND_UP,
1919     GADGET_ID_CUSTOM_VALUE_RND_TEXT,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1920     &custom_element.ce_value_random_initial,
1921     NULL,                                       "+random", NULL
1922   },
1923   {
1924     ED_COUNTER_ID_PUSH_DELAY_FIX,
1925     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
1926     0,                                          999,
1927     GADGET_ID_PUSH_DELAY_FIX_DOWN,              GADGET_ID_PUSH_DELAY_FIX_UP,
1928     GADGET_ID_PUSH_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1929     &custom_element.push_delay_fixed,
1930     NULL,                                       "Push delay", NULL
1931   },
1932   {
1933     ED_COUNTER_ID_PUSH_DELAY_RND,
1934     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
1935     0,                                          999,
1936     GADGET_ID_PUSH_DELAY_RND_DOWN,              GADGET_ID_PUSH_DELAY_RND_UP,
1937     GADGET_ID_PUSH_DELAY_RND_TEXT,              GADGET_ID_PUSH_DELAY_FIX_UP,
1938     &custom_element.push_delay_random,
1939     NULL,                                       "+random", NULL
1940   },
1941   {
1942     ED_COUNTER_ID_DROP_DELAY_FIX,
1943     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(7),
1944     0,                                          999,
1945     GADGET_ID_DROP_DELAY_FIX_DOWN,              GADGET_ID_DROP_DELAY_FIX_UP,
1946     GADGET_ID_DROP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1947     &custom_element.drop_delay_fixed,
1948     NULL,                                       "Drop delay", NULL
1949   },
1950   {
1951     ED_COUNTER_ID_DROP_DELAY_RND,
1952     -1,                                         ED_ELEMENT_SETTINGS_YPOS(7),
1953     0,                                          999,
1954     GADGET_ID_DROP_DELAY_RND_DOWN,              GADGET_ID_DROP_DELAY_RND_UP,
1955     GADGET_ID_DROP_DELAY_RND_TEXT,              GADGET_ID_DROP_DELAY_FIX_UP,
1956     &custom_element.drop_delay_random,
1957     NULL,                                       "+random", NULL
1958   },
1959
1960   // ---------- element settings: configure 2 (custom elements) ---------------
1961
1962   {
1963     ED_COUNTER_ID_MOVE_DELAY_FIX,
1964     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
1965     0,                                          999,
1966     GADGET_ID_MOVE_DELAY_FIX_DOWN,              GADGET_ID_MOVE_DELAY_FIX_UP,
1967     GADGET_ID_MOVE_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1968     &custom_element.move_delay_fixed,
1969     NULL,                                       "Move delay", NULL
1970   },
1971   {
1972     ED_COUNTER_ID_MOVE_DELAY_RND,
1973     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
1974     0,                                          999,
1975     GADGET_ID_MOVE_DELAY_RND_DOWN,              GADGET_ID_MOVE_DELAY_RND_UP,
1976     GADGET_ID_MOVE_DELAY_RND_TEXT,              GADGET_ID_MOVE_DELAY_FIX_UP,
1977     &custom_element.move_delay_random,
1978     NULL,                                       "+random", NULL
1979   },
1980   {
1981     ED_COUNTER_ID_STEP_DELAY_FIX,
1982     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
1983     0,                                          999,
1984     GADGET_ID_STEP_DELAY_FIX_DOWN,              GADGET_ID_STEP_DELAY_FIX_UP,
1985     GADGET_ID_STEP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1986     &custom_element.step_delay_fixed,
1987     NULL,                                       "Step delay", NULL
1988   },
1989   {
1990     ED_COUNTER_ID_STEP_DELAY_RND,
1991     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
1992     0,                                          999,
1993     GADGET_ID_STEP_DELAY_RND_DOWN,              GADGET_ID_STEP_DELAY_RND_UP,
1994     GADGET_ID_STEP_DELAY_RND_TEXT,              GADGET_ID_STEP_DELAY_FIX_UP,
1995     &custom_element.step_delay_random,
1996     NULL,                                       "+random", NULL
1997   },
1998   {
1999     ED_COUNTER_ID_EXPLOSION_DELAY,
2000     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
2001     0,                                          999,
2002     GADGET_ID_EXPLOSION_DELAY_DOWN,             GADGET_ID_EXPLOSION_DELAY_UP,
2003     GADGET_ID_EXPLOSION_DELAY_TEXT,             GADGET_ID_NONE,
2004     &custom_element.explosion_delay,
2005     NULL,                                       "Explosion delay", NULL
2006   },
2007   {
2008     ED_COUNTER_ID_IGNITION_DELAY,
2009     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
2010     0,                                          999,
2011     GADGET_ID_IGNITION_DELAY_DOWN,              GADGET_ID_IGNITION_DELAY_UP,
2012     GADGET_ID_IGNITION_DELAY_TEXT,              GADGET_ID_NONE,
2013     &custom_element.ignition_delay,
2014     NULL,                                       "Ignition delay", "(by fire)"
2015   },
2016
2017   // ---------- element settings: configure (group elements) ------------------
2018
2019   {
2020     ED_COUNTER_ID_GROUP_CONTENT,
2021     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
2022     MIN_ELEMENTS_IN_GROUP,                      MAX_ELEMENTS_IN_GROUP,
2023     GADGET_ID_GROUP_CONTENT_DOWN,               GADGET_ID_GROUP_CONTENT_UP,
2024     GADGET_ID_GROUP_CONTENT_TEXT,               GADGET_ID_NONE,
2025     &group_element_info.num_elements,
2026     NULL,                                       NULL, "Number of elements in group"
2027   },
2028
2029   // ---------- element settings: advanced (custom elements) ------------------
2030
2031   {
2032     ED_COUNTER_ID_CHANGE_DELAY_FIX,
2033     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(2),
2034     0,                                          999,
2035     GADGET_ID_CHANGE_DELAY_FIX_DOWN,            GADGET_ID_CHANGE_DELAY_FIX_UP,
2036     GADGET_ID_CHANGE_DELAY_FIX_TEXT,            GADGET_ID_NONE,
2037     &custom_element_change.delay_fixed,
2038     NULL,                                       "CE delay", NULL,
2039   },
2040   {
2041     ED_COUNTER_ID_CHANGE_DELAY_RND,
2042     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
2043     0,                                          999,
2044     GADGET_ID_CHANGE_DELAY_RND_DOWN,            GADGET_ID_CHANGE_DELAY_RND_UP,
2045     GADGET_ID_CHANGE_DELAY_RND_TEXT,            GADGET_ID_CHANGE_DELAY_FIX_UP,
2046     &custom_element_change.delay_random,
2047     NULL,                                       "+random", NULL
2048   },
2049   {
2050     ED_COUNTER_ID_CHANGE_CONT_RND,
2051     ED_ELEMENT_SETTINGS_XPOS(3),                ED_ELEMENT_SETTINGS_YPOS(12),
2052     0,                                          100,
2053     GADGET_ID_CHANGE_CONT_RND_DOWN,             GADGET_ID_CHANGE_CONT_RND_UP,
2054     GADGET_ID_CHANGE_CONT_RND_TEXT,             GADGET_ID_NONE,
2055     &custom_element_change.random_percentage,
2056     NULL,                                       "Use random replace:", "%"
2057   },
2058 };
2059
2060 static struct
2061 {
2062   int gadget_type_id;
2063   int x, y;
2064   int gadget_id;
2065   int size;
2066   char *value;
2067   char *text_above, *infotext;
2068 } textinput_info[ED_NUM_TEXTINPUT] =
2069 {
2070   {
2071     ED_TEXTINPUT_ID_LEVEL_NAME,
2072     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
2073     GADGET_ID_LEVEL_NAME,
2074     MAX_LEVEL_NAME_LEN,
2075     level.name,
2076     "Title:", "Title for this level"
2077   },
2078   {
2079     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
2080     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
2081     GADGET_ID_LEVEL_AUTHOR,
2082     MAX_LEVEL_AUTHOR_LEN,
2083     level.author,
2084     "Author:", "Author for this level"
2085   },
2086   {
2087     ED_TEXTINPUT_ID_LEVELSET_NAME,
2088     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
2089     GADGET_ID_LEVELSET_NAME,
2090     MAX_LEVEL_NAME_LEN,
2091     levelset_name,
2092     "Title:", "Title for this or new level set"
2093   },
2094   {
2095     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
2096     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
2097     GADGET_ID_LEVELSET_AUTHOR,
2098     MAX_LEVEL_AUTHOR_LEN,
2099     levelset_author,
2100     "Author:", "Author for this or new level set"
2101   },
2102   {
2103     ED_TEXTINPUT_ID_ELEMENT_NAME,
2104     -1, -1,     // these values are not constant, but can change at runtime
2105     GADGET_ID_ELEMENT_NAME,
2106     MAX_ELEMENT_NAME_LEN - 2,                   // currently 2 chars less editable
2107     custom_element.description,
2108     NULL, "Element name"
2109   }
2110 };
2111
2112 static struct
2113 {
2114   int gadget_type_id;
2115   int x, y;
2116   int gadget_id;
2117   int xsize, ysize;
2118   char *value;
2119   char *text_above, *text_above_cropped, *infotext;
2120 } textarea_info[ED_NUM_TEXTAREAS] =
2121 {
2122   {
2123     ED_TEXTAREA_ID_ENVELOPE_INFO,
2124     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
2125     GADGET_ID_ENVELOPE_INFO,
2126     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
2127     NULL,
2128     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
2129   }
2130 };
2131
2132 static struct ValueTextInfo options_time_or_steps[] =
2133 {
2134   { 0,                                  "seconds"                       },
2135   { 1,                                  "steps"                         },
2136
2137   { -1,                                 NULL                            }
2138 };
2139
2140 static struct ValueTextInfo options_time_score_base[] =
2141 {
2142   { 1,                                  "per second/step"               },
2143   { 10,                                 "per 10 seconds/steps"          },
2144
2145   { -1,                                 NULL                            }
2146 };
2147
2148 static struct ValueTextInfo options_game_engine_type[] =
2149 {
2150   { GAME_ENGINE_TYPE_RND,               "Rocks'n'Diamonds"              },
2151   { GAME_ENGINE_TYPE_BD,                "Boulder Dash"                  },
2152   { GAME_ENGINE_TYPE_EM,                "Emerald Mine"                  },
2153   { GAME_ENGINE_TYPE_SP,                "Supaplex"                      },
2154   { GAME_ENGINE_TYPE_MM,                "Mirror Magic"                  },
2155
2156   { -1,                                 NULL                            }
2157 };
2158
2159 static struct ValueTextInfo options_levelset_save_mode[] =
2160 {
2161   { LEVELSET_SAVE_MODE_UPDATE,          "Update this level set"         },
2162   { LEVELSET_SAVE_MODE_CREATE,          "Create new level set"          },
2163
2164   { -1,                                 NULL                            }
2165 };
2166
2167 static struct ValueTextInfo options_bd_gravity_direction[] =
2168 {
2169   { GD_MV_DOWN,                         "down"                          },
2170   { GD_MV_UP,                           "up"                            },
2171   { GD_MV_LEFT,                         "left"                          },
2172   { GD_MV_RIGHT,                        "right"                         },
2173
2174   { -1,                                 NULL                            }
2175 };
2176
2177 static struct ValueTextInfo options_wind_direction[] =
2178 {
2179   { MV_START_NONE,                      "none"                          },
2180   { MV_START_LEFT,                      "left"                          },
2181   { MV_START_RIGHT,                     "right"                         },
2182   { MV_START_UP,                        "up"                            },
2183   { MV_START_DOWN,                      "down"                          },
2184
2185   { -1,                                 NULL                            }
2186 };
2187
2188 static struct ValueTextInfo options_player_speed[] =
2189 {
2190   { 0,                                  "frozen"                        },
2191   { 1,                                  "very slow"                     },
2192   { 2,                                  "slow"                          },
2193   { 4,                                  "normal"                        },
2194   { 8,                                  "fast"                          },
2195   { 16,                                 "very fast"                     },
2196   { 32,                                 "ultrafast"                     },
2197
2198   { -1,                                 NULL                            }
2199 };
2200
2201 static struct ValueTextInfo options_access_type[] =
2202 {
2203   { EP_WALKABLE,                        "walkable"                      },
2204   { EP_PASSABLE,                        "passable"                      },
2205
2206   { -1,                                 NULL                            }
2207 };
2208
2209 static struct ValueTextInfo options_access_layer[] =
2210 {
2211   { EP_ACCESSIBLE_OVER,                 "over"                          },
2212   { EP_ACCESSIBLE_INSIDE,               "inside"                        },
2213   { EP_ACCESSIBLE_UNDER,                "under"                         },
2214
2215   { -1,                                 NULL                            }
2216 };
2217
2218 static struct ValueTextInfo options_access_protected[] =
2219 {
2220   { 0,                                  "unprotected"                   },
2221   { 1,                                  "protected"                     },
2222
2223   { -1,                                 NULL                            }
2224 };
2225
2226 static struct ValueTextInfo options_access_direction[] =
2227 {
2228   { MV_NO_DIRECTION,                    "no direction"                  },
2229   { MV_LEFT,                            "left"                          },
2230   { MV_RIGHT,                           "right"                         },
2231   { MV_UP,                              "up"                            },
2232   { MV_DOWN,                            "down"                          },
2233   { MV_LEFT  | MV_UP,                   "left + up"                     },
2234   { MV_LEFT  | MV_DOWN,                 "left + down"                   },
2235   { MV_RIGHT | MV_UP,                   "right + up"                    },
2236   { MV_RIGHT | MV_DOWN,                 "right + down"                  },
2237   { MV_HORIZONTAL,                      "horizontal"                    },
2238   { MV_VERTICAL,                        "vertical"                      },
2239   { MV_HORIZONTAL | MV_UP,              "horizontal + up"               },
2240   { MV_HORIZONTAL | MV_DOWN,            "horizontal + down"             },
2241   { MV_VERTICAL   | MV_LEFT,            "vertical + left"               },
2242   { MV_VERTICAL   | MV_RIGHT,           "vertical + right"              },
2243   { MV_ALL_DIRECTIONS,                  "all directions"                },
2244
2245   { -1,                                 NULL                            }
2246 };
2247
2248 static struct ValueTextInfo options_walk_to_action[] =
2249 {
2250   { EP_DIGGABLE,                        "diggable"                      },
2251   { EP_COLLECTIBLE_ONLY,                "collectible"                   },
2252   { EP_DROPPABLE,                       "collectible & droppable"       },
2253   { EP_THROWABLE,                       "collectible & throwable"       },
2254   { EP_PUSHABLE,                        "pushable"                      },
2255
2256   { -1,                                 NULL                            }
2257 };
2258
2259 static struct ValueTextInfo options_move_pattern[] =
2260 {
2261   { MV_LEFT,                            "left"                          },
2262   { MV_RIGHT,                           "right"                         },
2263   { MV_UP,                              "up"                            },
2264   { MV_DOWN,                            "down"                          },
2265   { MV_HORIZONTAL,                      "horizontal"                    },
2266   { MV_VERTICAL,                        "vertical"                      },
2267   { MV_ALL_DIRECTIONS,                  "all directions"                },
2268   { MV_WIND_DIRECTION,                  "wind direction"                },
2269   { MV_TOWARDS_PLAYER,                  "towards player"                },
2270   { MV_AWAY_FROM_PLAYER,                "away from player"              },
2271   { MV_ALONG_LEFT_SIDE,                 "along left side"               },
2272   { MV_ALONG_RIGHT_SIDE,                "along right side"              },
2273   { MV_TURNING_LEFT,                    "turning left"                  },
2274   { MV_TURNING_RIGHT,                   "turning right"                 },
2275   { MV_TURNING_LEFT_RIGHT,              "turning left, right"           },
2276   { MV_TURNING_RIGHT_LEFT,              "turning right, left"           },
2277   { MV_TURNING_RANDOM,                  "turning random"                },
2278   { MV_MAZE_RUNNER,                     "maze runner style"             },
2279   { MV_MAZE_HUNTER,                     "maze hunter style"             },
2280   { MV_WHEN_PUSHED,                     "when pushed"                   },
2281   { MV_WHEN_DROPPED,                    "when dropped/thrown"           },
2282
2283   { -1,                                 NULL                            }
2284 };
2285
2286 static struct ValueTextInfo options_move_direction[] =
2287 {
2288   { MV_START_AUTOMATIC,                 "automatic"                     },
2289   { MV_START_LEFT,                      "left"                          },
2290   { MV_START_RIGHT,                     "right"                         },
2291   { MV_START_UP,                        "up"                            },
2292   { MV_START_DOWN,                      "down"                          },
2293   { MV_START_RANDOM,                    "random"                        },
2294   { MV_START_PREVIOUS,                  "previous"                      },
2295
2296   { -1,                                 NULL                            }
2297 };
2298
2299 static struct ValueTextInfo options_move_stepsize[] =
2300 {
2301   { 0,                                  "not moving"                    },
2302   { 1,                                  "very slow"                     },
2303   { 2,                                  "slow"                          },
2304   { 4,                                  "normal"                        },
2305   { 8,                                  "fast"                          },
2306   { 16,                                 "very fast"                     },
2307   { 32,                                 "even faster"                   },
2308
2309   { -1,                                 NULL                            }
2310 };
2311
2312 static struct ValueTextInfo options_move_leave_type[] =
2313 {
2314   { LEAVE_TYPE_UNLIMITED,               "leave behind"                  },
2315   { LEAVE_TYPE_LIMITED,                 "change it to"                  },
2316
2317   { -1,                                 NULL                            }
2318 };
2319
2320 static struct ValueTextInfo options_smash_targets[] =
2321 {
2322   { EP_CAN_SMASH_PLAYER,                "player"                        },
2323 #if 0
2324   { EP_CAN_SMASH_ENEMIES,               "enemies"                       },
2325 #endif
2326   { EP_CAN_SMASH_EVERYTHING,            "everything"                    },
2327
2328   { -1,                                 NULL                            }
2329 };
2330
2331 static struct ValueTextInfo options_slippery_type[] =
2332 {
2333   { SLIPPERY_ANY_RANDOM,                "random"                        },
2334   { SLIPPERY_ANY_LEFT_RIGHT,            "left, right"                   },
2335   { SLIPPERY_ANY_RIGHT_LEFT,            "right, left"                   },
2336   { SLIPPERY_ONLY_LEFT,                 "only left"                     },
2337   { SLIPPERY_ONLY_RIGHT,                "only right"                    },
2338
2339   { -1,                                 NULL                            }
2340 };
2341
2342 static struct ValueTextInfo options_deadliness[] =
2343 {
2344   { EP_DONT_RUN_INTO,                   "running into"                  },
2345   { EP_DONT_COLLIDE_WITH,               "colliding with"                },
2346   { EP_DONT_GET_HIT_BY,                 "getting hit by"                },
2347   { EP_DONT_TOUCH,                      "touching"                      },
2348
2349   { -1,                                 NULL                            }
2350 };
2351
2352 static struct ValueTextInfo options_explosion_type[] =
2353 {
2354   { EXPLODES_3X3,                       "3x3"                           },
2355   { EXPLODES_CROSS,                     "3+3"                           },
2356   { EXPLODES_1X1,                       "1x1"                           },
2357
2358   { -1,                                 NULL                            }
2359 };
2360
2361 static struct ValueTextInfo options_time_units[] =
2362 {
2363   { 1,                                  "frames"                        },
2364   { FRAMES_PER_SECOND,                  "seconds"                       },
2365
2366   { -1,                                 NULL                            }
2367 };
2368
2369 static struct ValueTextInfo options_change_direct_action[] =
2370 {
2371   { CE_TOUCHED_BY_PLAYER,               "touched by player"             },
2372   { CE_PRESSED_BY_PLAYER,               "pressed by player"             },
2373   { CE_SWITCHED_BY_PLAYER,              "switched by player"            },
2374   { CE_SNAPPED_BY_PLAYER,               "snapped by player"             },
2375   { CE_PUSHED_BY_PLAYER,                "pushed by player"              },
2376   { CE_ENTERED_BY_PLAYER,               "entered by player"             },
2377   { CE_LEFT_BY_PLAYER,                  "left by player"                },
2378   { CE_DROPPED_BY_PLAYER,               "dropped/thrown by player"      },
2379   { CE_SWITCHED,                        "switched"                      },
2380   { CE_HITTING_SOMETHING,               "hitting something"             },
2381   { CE_HIT_BY_SOMETHING,                "hit by something"              },
2382 #if 0
2383   { CE_BLOCKED,                         "blocked"                       },
2384 #endif
2385   { CE_IMPACT,                          "impact (on something)"         },
2386   { CE_SMASHED,                         "smashed (from above)"          },
2387 #if 0
2388   { CE_VALUE_CHANGES,                   "CE value changes"              },
2389   { CE_SCORE_CHANGES,                   "CE score changes"              },
2390 #endif
2391   { CE_VALUE_GETS_ZERO,                 "CE value gets 0"               },
2392   { CE_SCORE_GETS_ZERO,                 "CE score gets 0"               },
2393   { CE_UNDEFINED,                       " "                             },
2394   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2395   { CE_CLICKED_BY_MOUSE,                "clicked by mouse"              },
2396   { CE_PRESSED_BY_MOUSE,                "pressed by mouse"              },
2397   { CE_UNDEFINED,                       " "                             },
2398   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2399   { CE_NEXT_TO_PLAYER,                  "next to player"                },
2400
2401   { -1,                                 NULL                            }
2402 };
2403
2404 static struct ValueTextInfo options_change_other_action[] =
2405 {
2406   { CE_PLAYER_TOUCHES_X,                "player touches"                },
2407   { CE_PLAYER_PRESSES_X,                "player presses"                },
2408   { CE_PLAYER_SWITCHES_X,               "player switches"               },
2409   { CE_PLAYER_SNAPS_X,                  "player snaps"                  },
2410   { CE_PLAYER_PUSHES_X,                 "player pushes"                 },
2411   { CE_PLAYER_ENTERS_X,                 "player enters"                 },
2412   { CE_PLAYER_LEAVES_X,                 "player leaves"                 },
2413   { CE_PLAYER_DIGS_X,                   "player digs"                   },
2414   { CE_PLAYER_COLLECTS_X,               "player collects"               },
2415   { CE_PLAYER_DROPS_X,                  "player drops/throws"           },
2416   { CE_TOUCHING_X,                      "touching"                      },
2417   { CE_HITTING_X,                       "hitting"                       },
2418   { CE_DIGGING_X,                       "digging"                       },
2419   { CE_HIT_BY_X,                        "hit by"                        },
2420   { CE_SWITCH_OF_X,                     "switch of"                     },
2421   { CE_CHANGE_OF_X,                     "change by page of"             },
2422   { CE_EXPLOSION_OF_X,                  "explosion of"                  },
2423   { CE_MOVE_OF_X,                       "move of"                       },
2424   { CE_CREATION_OF_X,                   "creation of"                   },
2425   { CE_VALUE_CHANGES_OF_X,              "CE value changes of"           },
2426   { CE_SCORE_CHANGES_OF_X,              "CE score changes of"           },
2427   { CE_VALUE_GETS_ZERO_OF_X,            "CE value gets 0 of"            },
2428   { CE_SCORE_GETS_ZERO_OF_X,            "CE score gets 0 of"            },
2429   { CE_UNDEFINED,                       " "                             },
2430   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2431   { CE_MOUSE_CLICKED_ON_X,              "mouse clicked on"              },
2432   { CE_MOUSE_PRESSED_ON_X,              "mouse pressed on"              },
2433   { CE_UNDEFINED,                       " "                             },
2434   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2435   { CE_PLAYER_NEXT_TO_X,                "player next to"                },
2436   { CE_NEXT_TO_X,                       "next to"                       },
2437
2438   { -1,                                 NULL                            }
2439 };
2440
2441 static struct ValueTextInfo options_change_trigger_side[] =
2442 {
2443   { CH_SIDE_LEFT,                       "left"                          },
2444   { CH_SIDE_RIGHT,                      "right"                         },
2445   { CH_SIDE_TOP,                        "top"                           },
2446   { CH_SIDE_BOTTOM,                     "bottom"                        },
2447   { CH_SIDE_LEFT_RIGHT,                 "left/right"                    },
2448   { CH_SIDE_TOP_BOTTOM,                 "top/bottom"                    },
2449   { CH_SIDE_ANY,                        "any"                           },
2450
2451   { -1,                                 NULL                            }
2452 };
2453
2454 static struct ValueTextInfo options_change_trigger_player[] =
2455 {
2456   { CH_PLAYER_1,                        "1"                             },
2457   { CH_PLAYER_2,                        "2"                             },
2458   { CH_PLAYER_3,                        "3"                             },
2459   { CH_PLAYER_4,                        "4"                             },
2460   { CH_PLAYER_ANY,                      "any"                           },
2461
2462   { -1,                                 NULL                            }
2463 };
2464
2465 static struct ValueTextInfo options_change_trigger_page[] =
2466 {
2467   { (1u << 0),                          "1"                             },
2468   { (1u << 1),                          "2"                             },
2469   { (1u << 2),                          "3"                             },
2470   { (1u << 3),                          "4"                             },
2471   { (1u << 4),                          "5"                             },
2472   { (1u << 5),                          "6"                             },
2473   { (1u << 6),                          "7"                             },
2474   { (1u << 7),                          "8"                             },
2475   { (1u << 8),                          "9"                             },
2476   { (1u << 9),                          "10"                            },
2477   { (1u << 10),                         "11"                            },
2478   { (1u << 11),                         "12"                            },
2479   { (1u << 12),                         "13"                            },
2480   { (1u << 13),                         "14"                            },
2481   { (1u << 14),                         "15"                            },
2482   { (1u << 15),                         "16"                            },
2483   { (1u << 16),                         "17"                            },
2484   { (1u << 17),                         "18"                            },
2485   { (1u << 18),                         "19"                            },
2486   { (1u << 19),                         "20"                            },
2487   { (1u << 20),                         "21"                            },
2488   { (1u << 21),                         "22"                            },
2489   { (1u << 22),                         "23"                            },
2490   { (1u << 23),                         "24"                            },
2491   { (1u << 24),                         "25"                            },
2492   { (1u << 25),                         "26"                            },
2493   { (1u << 26),                         "27"                            },
2494   { (1u << 27),                         "28"                            },
2495   { (1u << 28),                         "29"                            },
2496   { (1u << 29),                         "30"                            },
2497   { (1u << 30),                         "31"                            },
2498   { (1u << 31),                         "32"                            },
2499   { CH_PAGE_ANY,                        "any"                           },
2500
2501   { -1,                                 NULL                            }
2502 };
2503
2504 static struct ValueTextInfo options_change_replace_when[] =
2505 {
2506   { CP_WHEN_EMPTY,                      "empty"                         },
2507   { CP_WHEN_WALKABLE,                   "walkable"                      },
2508   { CP_WHEN_DIGGABLE,                   "diggable"                      },
2509   { CP_WHEN_COLLECTIBLE,                "collectible"                   },
2510   { CP_WHEN_REMOVABLE,                  "removable"                     },
2511   { CP_WHEN_DESTRUCTIBLE,               "destructible"                  },
2512
2513   { -1,                                 NULL                            }
2514 };
2515
2516 static struct ValueTextInfo options_action_type[] =
2517 {
2518   { CA_NO_ACTION,                       "no action"                     },
2519   { CA_UNDEFINED,                       " "                             },
2520   { CA_HEADLINE_LEVEL_ACTIONS,          "[level]"                       },
2521   { CA_RESTART_LEVEL,                   "restart level"                 },
2522   { CA_SHOW_ENVELOPE,                   "show envelope"                 },
2523   { CA_SET_LEVEL_TIME,                  "set time"                      },
2524   { CA_SET_LEVEL_SCORE,                 "set score"                     },
2525   { CA_SET_LEVEL_GEMS,                  "set gems"                      },
2526   { CA_SET_LEVEL_WIND,                  "set wind dir."                 },
2527   { CA_SET_LEVEL_RANDOM_SEED,           "set random seed"               },
2528   { CA_UNDEFINED,                       " "                             },
2529   { CA_HEADLINE_PLAYER_ACTIONS,         "[player]"                      },
2530   { CA_MOVE_PLAYER,                     "move player"                   },
2531   { CA_MOVE_PLAYER_NEW,                 "move player new"               },
2532   { CA_EXIT_PLAYER,                     "exit player"                   },
2533   { CA_KILL_PLAYER,                     "kill player"                   },
2534   { CA_SET_PLAYER_KEYS,                 "set keys"                      },
2535   { CA_SET_PLAYER_SPEED,                "set speed"                     },
2536   { CA_SET_PLAYER_SHIELD,               "set shield"                    },
2537   { CA_SET_PLAYER_GRAVITY,              "set gravity"                   },
2538   { CA_SET_PLAYER_ARTWORK,              "set artwork"                   },
2539   { CA_SET_PLAYER_INVENTORY,            "set inventory"                 },
2540   { CA_UNDEFINED,                       " "                             },
2541   { CA_HEADLINE_CE_ACTIONS,             "[CE]"                          },
2542   { CA_SET_CE_VALUE,                    "set CE value"                  },
2543   { CA_SET_CE_SCORE,                    "set CE score"                  },
2544   { CA_SET_CE_ARTWORK,                  "set CE artwork"                },
2545   { CA_UNDEFINED,                       " "                             },
2546   { CA_HEADLINE_ENGINE_ACTIONS,         "[engine]"                      },
2547   { CA_SET_ENGINE_SCAN_MODE,            "set scan mode"                 },
2548
2549   { -1,                                 NULL                            }
2550 };
2551
2552 static struct ValueTextInfo options_action_mode_none[] =
2553 {
2554   { CA_MODE_UNDEFINED,                  " "                             },
2555
2556   { -1,                                 NULL                            }
2557 };
2558
2559 static struct ValueTextInfo options_action_mode_assign[] =
2560 {
2561   { CA_MODE_SET,                        "="                             },
2562
2563   { -1,                                 NULL                            }
2564 };
2565
2566 static struct ValueTextInfo options_action_mode_add_remove[] =
2567 {
2568   { CA_MODE_ADD,                        "+"                             },
2569   { CA_MODE_SUBTRACT,                   "-"                             },
2570
2571   { -1,                                 NULL                            }
2572 };
2573
2574 static struct ValueTextInfo options_action_mode_calculate[] =
2575 {
2576   { CA_MODE_SET,                        "="                             },
2577   { CA_MODE_ADD,                        "+"                             },
2578   { CA_MODE_SUBTRACT,                   "-"                             },
2579   { CA_MODE_MULTIPLY,                   "*"                             },
2580   { CA_MODE_DIVIDE,                     "/"                             },
2581   { CA_MODE_MODULO,                     "%"                             },
2582
2583   { -1,                                 NULL                            }
2584 };
2585
2586 static struct ValueTextInfo options_action_arg_none[] =
2587 {
2588   { CA_ARG_UNDEFINED,                   "         "                     },
2589
2590   { -1,                                 NULL                            }
2591 };
2592
2593 static struct ValueTextInfo options_action_arg_player[] =
2594 {
2595   { CA_ARG_PLAYER_HEADLINE,             "[player]"                      },
2596   { CA_ARG_PLAYER_1,                    "1"                             },
2597   { CA_ARG_PLAYER_2,                    "2"                             },
2598   { CA_ARG_PLAYER_3,                    "3"                             },
2599   { CA_ARG_PLAYER_4,                    "4"                             },
2600   { CA_ARG_PLAYER_ANY,                  "any"                           },
2601   { CA_ARG_PLAYER_TRIGGER,              "trigger"                       },
2602   { CA_ARG_PLAYER_ACTION,               "action ->"                     },
2603
2604   { -1,                                 NULL                            }
2605 };
2606
2607 static struct ValueTextInfo options_action_arg_number[] =
2608 {
2609   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2610   { CA_ARG_0,                           "0"                             },
2611   { CA_ARG_1,                           "1"                             },
2612   { CA_ARG_2,                           "2"                             },
2613   { CA_ARG_3,                           "3"                             },
2614   { CA_ARG_4,                           "4"                             },
2615   { CA_ARG_5,                           "5"                             },
2616   { CA_ARG_10,                          "10"                            },
2617   { CA_ARG_100,                         "100"                           },
2618   { CA_ARG_1000,                        "1000"                          },
2619   { CA_ARG_UNDEFINED,                   " "                             },
2620   { CA_ARG_NUMBER_MIN,                  "min"                           },
2621   { CA_ARG_NUMBER_MAX,                  "max"                           },
2622   { CA_ARG_UNDEFINED,                   " "                             },
2623   { CA_ARG_NUMBER_RESET,                "reset"                         },
2624   { CA_ARG_UNDEFINED,                   " "                             },
2625   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2626   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2627   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2628   { CA_ARG_UNDEFINED,                   " "                             },
2629   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2630   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2631   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2632   { CA_ARG_UNDEFINED,                   " "                             },
2633   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2634   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2635   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2636   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2637   { CA_ARG_UNDEFINED,                   " "                             },
2638   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2639   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2640   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2641   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2642
2643   { -1,                                 NULL                            }
2644 };
2645
2646 static struct ValueTextInfo options_action_arg_value[] =
2647 {
2648   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2649   { CA_ARG_0,                           "0"                             },
2650   { CA_ARG_1,                           "1"                             },
2651   { CA_ARG_2,                           "2"                             },
2652   { CA_ARG_3,                           "3"                             },
2653   { CA_ARG_4,                           "4"                             },
2654   { CA_ARG_5,                           "5"                             },
2655   { CA_ARG_10,                          "10"                            },
2656   { CA_ARG_100,                         "100"                           },
2657   { CA_ARG_1000,                        "1000"                          },
2658   { CA_ARG_UNDEFINED,                   " "                             },
2659   { CA_ARG_NUMBER_MIN,                  "min"                           },
2660   { CA_ARG_NUMBER_MAX,                  "max"                           },
2661   { CA_ARG_UNDEFINED,                   " "                             },
2662   { CA_ARG_NUMBER_RESET,                "reset"                         },
2663   { CA_ARG_UNDEFINED,                   " "                             },
2664   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2665   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2666   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2667   { CA_ARG_UNDEFINED,                   " "                             },
2668   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2669   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2670   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2671   { CA_ARG_UNDEFINED,                   " "                             },
2672   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2673   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2674   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2675   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2676   { CA_ARG_UNDEFINED,                   " "                             },
2677   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2678   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2679   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2680   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2681   { CA_ARG_UNDEFINED,                   " "                             },
2682   { CA_ARG_ELEMENT_NR_HEADLINE,         "[element]"                     },
2683   { CA_ARG_ELEMENT_NR_TARGET,           "target"                        },
2684   { CA_ARG_ELEMENT_NR_TRIGGER,          "trigger"                       },
2685   { CA_ARG_ELEMENT_NR_ACTION,           "action ->"                     },
2686
2687   { -1,                                 NULL                            }
2688 };
2689
2690 static struct ValueTextInfo options_action_arg_envelope[] =
2691 {
2692   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2693   { CA_ARG_1,                           "1"                             },
2694   { CA_ARG_2,                           "2"                             },
2695   { CA_ARG_3,                           "3"                             },
2696   { CA_ARG_4,                           "4"                             },
2697   { CA_ARG_UNDEFINED,                   " "                             },
2698   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2699   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2700   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2701   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2702
2703   { -1,                                 NULL                            }
2704 };
2705
2706 static struct ValueTextInfo options_action_arg_key[] =
2707 {
2708   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2709   { CA_ARG_1,                           "1"                             },
2710   { CA_ARG_2,                           "2"                             },
2711   { CA_ARG_3,                           "3"                             },
2712   { CA_ARG_4,                           "4"                             },
2713   { CA_ARG_5,                           "5"                             },
2714   { CA_ARG_6,                           "6"                             },
2715   { CA_ARG_7,                           "7"                             },
2716   { CA_ARG_8,                           "8"                             },
2717   { CA_ARG_UNDEFINED,                   " "                             },
2718   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2719   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2720   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2721   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2722
2723   { -1,                                 NULL                            }
2724 };
2725
2726 static struct ValueTextInfo options_action_arg_speed[] =
2727 {
2728   { CA_ARG_SPEED_HEADLINE,              "[speed]"                       },
2729   { CA_ARG_SPEED_NOT_MOVING,            "frozen"                        },
2730   { CA_ARG_SPEED_VERY_SLOW,             "very slow"                     },
2731   { CA_ARG_SPEED_SLOW,                  "slow"                          },
2732   { CA_ARG_SPEED_NORMAL,                "normal"                        },
2733   { CA_ARG_SPEED_FAST,                  "fast"                          },
2734   { CA_ARG_SPEED_VERY_FAST,             "very fast"                     },
2735   { CA_ARG_SPEED_EVEN_FASTER,           "ultrafast"                     },
2736   { CA_ARG_UNDEFINED,                   " "                             },
2737   { CA_ARG_SPEED_SLOWER,                "slower"                        },
2738   { CA_ARG_SPEED_FASTER,                "faster"                        },
2739   { CA_ARG_UNDEFINED,                   " "                             },
2740   { CA_ARG_SPEED_RESET,                 "reset"                         },
2741
2742   { -1,                                 NULL                            }
2743 };
2744
2745 static struct ValueTextInfo options_action_arg_shield[] =
2746 {
2747   { CA_ARG_SHIELD_HEADLINE,             "[shield]"                      },
2748   { CA_ARG_SHIELD_OFF,                  "off"                           },
2749   { CA_ARG_SHIELD_NORMAL,               "normal"                        },
2750   { CA_ARG_SHIELD_DEADLY,               "deadly"                        },
2751
2752   { -1,                                 NULL                            }
2753 };
2754
2755 static struct ValueTextInfo options_action_arg_artwork[] =
2756 {
2757   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2758   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2759   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2760   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2761   { CA_ARG_UNDEFINED,                   " "                             },
2762   { CA_ARG_ELEMENT_RESET,               "reset"                         },
2763
2764   { -1,                                 NULL                            }
2765 };
2766
2767 static struct ValueTextInfo options_action_arg_gravity[] =
2768 {
2769   { CA_ARG_GRAVITY_HEADLINE,            "[gravity]"                     },
2770   { CA_ARG_GRAVITY_ON,                  "on"                            },
2771   { CA_ARG_GRAVITY_OFF,                 "off"                           },
2772   { CA_ARG_GRAVITY_TOGGLE,              "toggle"                        },
2773
2774   { -1,                                 NULL                            }
2775 };
2776
2777 static struct ValueTextInfo options_action_arg_direction[] =
2778 {
2779   { CA_ARG_DIRECTION_HEADLINE,          "[dir.]"                        },
2780   { CA_ARG_DIRECTION_NONE,              "none"                          },
2781   { CA_ARG_DIRECTION_LEFT,              "left"                          },
2782   { CA_ARG_DIRECTION_RIGHT,             "right"                         },
2783   { CA_ARG_DIRECTION_UP,                "up"                            },
2784   { CA_ARG_DIRECTION_DOWN,              "down"                          },
2785   { CA_ARG_DIRECTION_TRIGGER,           "trigger"                       },
2786   { CA_ARG_DIRECTION_TRIGGER_BACK,      "-trigger"                      },
2787
2788   { -1,                                 NULL                            }
2789 };
2790
2791 static struct ValueTextInfo options_action_arg_scan_mode[] =
2792 {
2793   { CA_ARG_SCAN_MODE_HEADLINE,          "[mode]"                        },
2794   { CA_ARG_SCAN_MODE_NORMAL,            "normal"                        },
2795   { CA_ARG_SCAN_MODE_REVERSE,           "reverse"                       },
2796
2797   { -1,                                 NULL                            }
2798 };
2799
2800 static struct ValueTextInfo options_action_arg_inventory[] =
2801 {
2802   { CA_ARG_INVENTORY_HEADLINE,          "[add]"                         },
2803   { CA_ARG_ELEMENT_TARGET,              "+ target"                      },
2804   { CA_ARG_ELEMENT_TRIGGER,             "+ trigger"                     },
2805   { CA_ARG_ELEMENT_ACTION,              "+ action"                      },
2806   { CA_ARG_UNDEFINED,                   " "                             },
2807   { CA_ARG_INVENTORY_RM_HEADLINE,       "[remove]"                      },
2808   { CA_ARG_INVENTORY_RM_TARGET,         "- target"                      },
2809   { CA_ARG_INVENTORY_RM_TRIGGER,        "- trigger"                     },
2810   { CA_ARG_INVENTORY_RM_ACTION,         "- action"                      },
2811   { CA_ARG_INVENTORY_RM_FIRST,          "- first"                       },
2812   { CA_ARG_INVENTORY_RM_LAST,           "- last"                        },
2813   { CA_ARG_INVENTORY_RM_ALL,            "- all"                         },
2814   { CA_ARG_UNDEFINED,                   " "                             },
2815   { CA_ARG_INVENTORY_RESET,             "reset"                         },
2816
2817   { -1,                                 NULL                            }
2818 };
2819
2820 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2821 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2822 {
2823   { -1,                                 NULL                            }
2824 };
2825
2826 static struct ValueTextInfo options_group_choice_mode[] =
2827 {
2828   { ANIM_RANDOM,                        "random"                        },
2829   { ANIM_LOOP,                          "loop"                          },
2830   { ANIM_LINEAR,                        "linear"                        },
2831   { ANIM_PINGPONG,                      "pingpong"                      },
2832   { ANIM_PINGPONG2,                     "pingpong 2"                    },
2833   { ANIM_LEVEL_NR,                      "level number"                  },
2834
2835   { -1,                                 NULL                            }
2836 };
2837
2838 static struct ValueTextInfo options_bd_scheduling_type[] =
2839 {
2840   { GD_SCHEDULING_MILLISECONDS,         "Milliseconds"                  },
2841   { GD_SCHEDULING_BD1,                  "BD1"                           },
2842   { GD_SCHEDULING_BD2,                  "BD2"                           },
2843   { GD_SCHEDULING_PLCK,                 "Construction Kit"              },
2844   { GD_SCHEDULING_CRDR,                 "Crazy Dream 7"                 },
2845   { GD_SCHEDULING_BD1_ATARI,            "Atari BD1"                     },
2846   { GD_SCHEDULING_BD2_PLCK_ATARI,       "Atari BD2 / PLCK"              },
2847
2848   { -1,                                   NULL                          }
2849 };
2850
2851 static struct ValueTextInfo *action_arg_modes[] =
2852 {
2853   options_action_mode_none,
2854   options_action_mode_assign,
2855   options_action_mode_add_remove,
2856   options_action_mode_calculate,
2857 };
2858
2859 static struct
2860 {
2861   int value;
2862   int mode;
2863   struct ValueTextInfo *options;
2864 }
2865 action_arg_options[] =
2866 {
2867   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2868   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2869   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2870   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2871   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2872   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2873   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2874   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2875   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2876   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2877   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2878   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2879   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2880   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2881   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2882   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2883   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2884   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2885   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2886   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2887   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2888   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2889
2890   { -1,                         FALSE,  NULL                            }
2891 };
2892
2893 static struct
2894 {
2895   int gadget_type_id;
2896   int x, y;
2897   int gadget_id;
2898   int gadget_id_align;
2899   int size;     // char size of selectbox or '-1' (dynamically determined)
2900   struct ValueTextInfo *options;
2901   int *value;
2902   char *text_above, *text_left, *text_right, *infotext;
2903 } selectbox_info[ED_NUM_SELECTBOX] =
2904 {
2905   // ---------- level and editor settings -------------------------------------
2906
2907   {
2908     ED_SELECTBOX_ID_TIME_OR_STEPS,
2909     -1,                                         ED_LEVEL_SETTINGS_YPOS(8),
2910     GADGET_ID_TIME_OR_STEPS,                    GADGET_ID_LEVEL_TIMELIMIT_UP,
2911     -1,
2912     options_time_or_steps,
2913     &level.use_step_counter,
2914     NULL, NULL, "(0 => no limit)",              "Select time or step limit"
2915   },
2916   {
2917     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2918     -1,                                         ED_LEVEL_SETTINGS_YPOS(10),
2919     GADGET_ID_TIME_SCORE_BASE,                  GADGET_ID_LEVEL_TIMESCORE_UP,
2920     -1,
2921     options_time_score_base,
2922     &level.time_score_base,
2923     NULL, NULL, NULL,                           "Select time score for 1 or 10 seconds/steps"
2924   },
2925   {
2926     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2927     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(12),
2928     GADGET_ID_GAME_ENGINE_TYPE,                 GADGET_ID_NONE,
2929     -1,
2930     options_game_engine_type,
2931     &level.game_engine_type,
2932     NULL, "Game engine:", NULL,                 "Select game engine"
2933   },
2934   {
2935     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2936     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(1),
2937     GADGET_ID_BD_SCHEDULING_TYPE,               GADGET_ID_NONE,
2938     -1,
2939     options_bd_scheduling_type,
2940     &level.bd_scheduling_type,
2941     NULL, "Scheduling type:", NULL,             "Select level timing"
2942   },
2943   {
2944     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2945     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
2946     GADGET_ID_LEVELSET_SAVE_MODE,               GADGET_ID_NONE,
2947     -1,
2948     options_levelset_save_mode,
2949     &levelset_save_mode,
2950     "Action:", NULL, NULL,                      "Select action when saving level set"
2951   },
2952
2953   // ---------- element settings: configure (several elements) ----------------
2954
2955   {
2956     ED_SELECTBOX_ID_WIND_DIRECTION,
2957     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
2958     GADGET_ID_WIND_DIRECTION,                   GADGET_ID_NONE,
2959     -1,
2960     options_wind_direction,
2961     &level.wind_direction_initial,
2962     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
2963   },
2964   {
2965     ED_SELECTBOX_ID_PLAYER_SPEED,
2966     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(7),
2967     GADGET_ID_PLAYER_SPEED,                     GADGET_ID_NONE,
2968     -1,
2969     options_player_speed,
2970     &level.initial_player_stepsize[0],
2971     NULL, "Initial player speed:", NULL,        "Select initial player speed"
2972   },
2973   {
2974     ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION,
2975     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
2976     GADGET_ID_BD_GRAVITY_DIRECTION,             GADGET_ID_NONE,
2977     -1,
2978     options_bd_gravity_direction,
2979     &level.bd_gravity_direction,
2980     NULL, "Gravity direction:", NULL,           "Select initial gravity direction"
2981   },
2982   {
2983     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2984     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
2985     GADGET_ID_MM_BALL_CHOICE_MODE,              GADGET_ID_NONE,
2986     -1,
2987     options_group_choice_mode,
2988     &level.mm_ball_choice_mode,
2989     NULL, "Choice type:", NULL,                 "Select type of content choice"
2990   },
2991
2992   // ---------- element settings: configure 1 (custom elements) ---------------
2993
2994   {
2995     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2996     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
2997     GADGET_ID_CUSTOM_ACCESS_TYPE,               GADGET_ID_NONE,
2998     -1,
2999     options_access_type,
3000     &custom_element.access_type,
3001     NULL, NULL, NULL,                           "Select type of access to this field"
3002   },
3003   {
3004     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
3005     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
3006     GADGET_ID_CUSTOM_ACCESS_LAYER,              GADGET_ID_CUSTOM_ACCESS_TYPE,
3007     -1,
3008     options_access_layer,
3009     &custom_element.access_layer,
3010     NULL, NULL, NULL,                           "Select layer of access for this field"
3011   },
3012   {
3013     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
3014     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
3015     GADGET_ID_CUSTOM_ACCESS_PROTECTED,          GADGET_ID_CUSTOM_ACCESS_LAYER,
3016     -1,
3017     options_access_protected,
3018     &custom_element.access_protected,
3019     NULL, NULL, NULL,                           "Select protected access for this field"
3020   },
3021   {
3022     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
3023     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
3024     GADGET_ID_CUSTOM_ACCESS_DIRECTION,          GADGET_ID_NONE,
3025     -1,
3026     options_access_direction,
3027     &custom_element.access_direction,
3028     NULL, "from", NULL,                         "Select access direction for this field"
3029   },
3030   {
3031     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
3032     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
3033     GADGET_ID_CUSTOM_WALK_TO_ACTION,            GADGET_ID_NONE,
3034     -1,
3035     options_walk_to_action,
3036     &custom_element.walk_to_action,
3037     NULL, NULL, NULL,                           "Select diggable/collectible/pushable"
3038   },
3039
3040   // ---------- element settings: configure 2 (custom elements) ---------------
3041
3042   {
3043     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
3044     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(1),
3045     GADGET_ID_CUSTOM_MOVE_PATTERN,              GADGET_ID_NONE,
3046     -1,
3047     options_move_pattern,
3048     &custom_element.move_pattern,
3049     NULL, "Can move", NULL,                     "Select element move pattern"
3050   },
3051   {
3052     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
3053     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
3054     GADGET_ID_CUSTOM_MOVE_DIRECTION,            GADGET_ID_NONE,
3055     -1,
3056     options_move_direction,
3057     &custom_element.move_direction_initial,
3058     NULL, "Starts moving", NULL,                "Select initial element move direction"
3059   },
3060   {
3061     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
3062     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
3063     GADGET_ID_CUSTOM_MOVE_STEPSIZE,             GADGET_ID_NONE,
3064     -1,
3065     options_move_stepsize,
3066     &custom_element.move_stepsize,
3067     NULL, "Move/fall speed", NULL,              "Select speed of element movement"
3068   },
3069   {
3070     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
3071     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
3072     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,           GADGET_ID_NONE,
3073     -1,
3074     options_move_leave_type,
3075     &custom_element.move_leave_type,
3076     // left text with leading spaces to place gadget next to "can dig" gadget
3077     // (needed because drawing area gadgets created after selectbox gadgets)
3078     // NULL, "can dig:    can", ":",            "leave behind or change element"
3079     NULL, "            Can", ":",               "Select leave behind or change element"
3080   },
3081   {
3082     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
3083     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
3084     GADGET_ID_CUSTOM_SMASH_TARGETS,             GADGET_ID_CUSTOM_CAN_SMASH,
3085     -1,
3086     options_smash_targets,
3087     &custom_element.smash_targets,
3088     NULL, "Can smash", NULL,                    "Select elements that can be smashed"
3089   },
3090   {
3091     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
3092     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
3093     GADGET_ID_CUSTOM_SLIPPERY_TYPE,             GADGET_ID_NONE,
3094     -1,
3095     options_slippery_type,
3096     &custom_element.slippery_type,
3097     NULL, "Slippery", NULL,                     "Select where other elements fall down"
3098   },
3099   {
3100     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
3101     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(10),
3102     GADGET_ID_CUSTOM_DEADLINESS,                GADGET_ID_NONE,
3103     -1,
3104     options_deadliness,
3105     &custom_element.deadliness,
3106     NULL, "Deadly when", NULL,                  "Select deadliness of element"
3107   },
3108   {
3109     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
3110     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(11),
3111     GADGET_ID_CUSTOM_EXPLOSION_TYPE,            GADGET_ID_NONE,
3112     -1,
3113     options_explosion_type,
3114     &custom_element.explosion_type,
3115     NULL, "Can explode", NULL,                  "Select explosion type"
3116   },
3117
3118   // ---------- element settings: advanced (custom elements) ------------------
3119
3120   {
3121     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
3122     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(3),
3123     GADGET_ID_CHANGE_TIME_UNITS,                GADGET_ID_NONE,
3124     -1,
3125     options_time_units,
3126     &custom_element_change.delay_frames,
3127     NULL, "Delay time given in", NULL,          "Select delay time units for change"
3128   },
3129   {
3130     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
3131     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(4),
3132     GADGET_ID_CHANGE_DIRECT_ACTION,             GADGET_ID_NONE,
3133     -1,
3134     options_change_direct_action,
3135     &custom_element_change.direct_action,
3136     NULL, NULL, NULL,                           "Select type of direct action"
3137   },
3138   {
3139     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
3140     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(5),
3141     GADGET_ID_CHANGE_OTHER_ACTION,              GADGET_ID_NONE,
3142     -1,
3143     options_change_other_action,
3144     &custom_element_change.other_action,
3145     NULL, NULL, "element:",                     "Select type of other element action"
3146   },
3147   {
3148     ED_SELECTBOX_ID_CHANGE_SIDE,
3149     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(6),
3150     GADGET_ID_CHANGE_SIDE,                      GADGET_ID_NONE,
3151     -1,
3152     options_change_trigger_side,
3153     &custom_element_change.trigger_side,
3154     NULL, "at", "side",                         "Select element side triggering change"
3155   },
3156   {
3157     ED_SELECTBOX_ID_CHANGE_PLAYER,
3158     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3159     GADGET_ID_CHANGE_PLAYER,                    GADGET_ID_NONE,
3160     -1,
3161     options_change_trigger_player,
3162     &custom_element_change.trigger_player,
3163     NULL, "Player:", " ",                       "Select player that causes change"
3164   },
3165   {
3166     ED_SELECTBOX_ID_CHANGE_PAGE,
3167     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3168     GADGET_ID_CHANGE_PAGE,                      GADGET_ID_CHANGE_PLAYER,
3169     -1,
3170     options_change_trigger_page,
3171     &custom_element_change.trigger_page,
3172     NULL, "Page:", NULL,                        "Select change page that causes change"
3173   },
3174   {
3175     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3176     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(10),
3177     GADGET_ID_CHANGE_REPLACE_WHEN,              GADGET_ID_NONE,
3178     -1,
3179     options_change_replace_when,
3180     &custom_element_change.replace_when,
3181     NULL, "Replace when", NULL,                 "Select which elements can be replaced"
3182   },
3183   {
3184     ED_SELECTBOX_ID_ACTION_TYPE,
3185     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
3186     GADGET_ID_ACTION_TYPE,                      GADGET_ID_NONE,
3187     15,
3188     options_action_type,
3189     &custom_element_change.action_type,
3190     NULL, NULL, NULL,                           "Select action on specified condition"
3191   },
3192   {
3193     ED_SELECTBOX_ID_ACTION_MODE,
3194     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3195     GADGET_ID_ACTION_MODE,                      GADGET_ID_ACTION_TYPE,
3196     -1,
3197     options_action_mode_none,
3198     &custom_element_change.action_mode,
3199     NULL, NULL, NULL,                           "Select action operator"
3200   },
3201   {
3202     ED_SELECTBOX_ID_ACTION_ARG,
3203     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3204     GADGET_ID_ACTION_ARG,                       GADGET_ID_ACTION_MODE,
3205     -1,
3206     options_action_arg_none,
3207     &custom_element_change.action_arg,
3208     NULL, NULL, NULL,                           "Select action parameter"
3209   },
3210   {
3211     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3212     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
3213     GADGET_ID_SELECT_CHANGE_PAGE,               GADGET_ID_NONE,
3214     3,
3215     options_change_page,
3216     &custom_element.current_change_page,
3217     NULL, NULL, NULL,                           "Select element change page"
3218   },
3219
3220   // ---------- element settings: configure (group elements) ------------------
3221
3222   {
3223     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3224     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3225     GADGET_ID_GROUP_CHOICE_MODE,                GADGET_ID_NONE,
3226     -1,
3227     options_group_choice_mode,
3228     &group_element_info.choice_mode,
3229     NULL, "Choice type:", NULL,                 "Select type of group element choice"
3230   },
3231 };
3232
3233 static struct
3234 {
3235   int gadget_type_id;
3236   int x, y;
3237   int gadget_id;
3238   int gadget_id_align;
3239   int size;
3240   char *text;
3241   char *text_above, *text_left, *text_right, *infotext;
3242 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3243 {
3244   // ---------- level and editor settings (tabs) ------------------------------
3245
3246   {
3247     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3248     ED_LEVEL_TABS_XPOS(0),                      ED_LEVEL_TABS_YPOS(0),
3249     GADGET_ID_LEVELCONFIG_LEVEL,                GADGET_ID_NONE,
3250     8,                                          "Level",
3251     NULL, NULL, NULL,                           "Configure level settings"
3252   },
3253   {
3254     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3255     -1,                                         -1,
3256     GADGET_ID_LEVELCONFIG_LEVELSET,             GADGET_ID_LEVELCONFIG_LEVEL,
3257     8,                                          "Levelset",
3258     NULL, NULL, NULL,                           "Update this or create new level set"
3259   },
3260   {
3261     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3262     -1,                                         -1,
3263     GADGET_ID_LEVELCONFIG_EDITOR,               GADGET_ID_LEVELCONFIG_LEVELSET,
3264     8,                                          "Editor",
3265     NULL, NULL, NULL,                           "Configure editor settings"
3266   },
3267   {
3268     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3269     -1,                                         -1,
3270     GADGET_ID_LEVELCONFIG_ENGINE,               GADGET_ID_LEVELCONFIG_EDITOR,
3271     8,                                          "Engine",
3272     NULL, NULL, NULL,                           "Configure game engine settings"
3273   },
3274
3275   // ---------- engine settings (tabs) ----------------------------------------
3276
3277   {
3278     ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG,
3279     ED_ENGINE_TABS_XPOS(0),                     ED_ENGINE_TABS_YPOS(0),
3280     GADGET_ID_ENGINECONFIG_CONFIG,              GADGET_ID_NONE,
3281     8,                                          "Config",
3282     NULL, NULL, NULL,                           "Configure game engine settings"
3283   },
3284   {
3285     ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS,
3286     -1,                                         -1,
3287     GADGET_ID_ENGINECONFIG_COLORS,              GADGET_ID_ENGINECONFIG_CONFIG,
3288     8,                                          "Colors",
3289     NULL, NULL, NULL,                           "Configure game engine colors"
3290   },
3291
3292   // ---------- element settings (tabs) ---------------------------------------
3293
3294   {
3295     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3296     ED_ELEMENT_TABS_XPOS(0),                    ED_ELEMENT_TABS_YPOS(0),
3297     GADGET_ID_PROPERTIES_INFO,                  GADGET_ID_NONE,
3298     8,                                          "Info",
3299     NULL, NULL, NULL,                           "Show information about element"
3300   },
3301   {
3302     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3303     -1,                                         -1,
3304     GADGET_ID_PROPERTIES_CONFIG,                GADGET_ID_PROPERTIES_INFO,
3305     8,                                          "Config",
3306     NULL, NULL, NULL,                           "Configure element properties"
3307   },
3308   {
3309     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3310     -1,                                         -1,
3311     GADGET_ID_PROPERTIES_CONFIG_1,              GADGET_ID_PROPERTIES_INFO,
3312     8,                                          "Config 1",
3313     NULL, NULL, NULL,                           "Configure element properties, part 1"
3314   },
3315   {
3316     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3317     -1,                                         -1,
3318     GADGET_ID_PROPERTIES_CONFIG_2,              GADGET_ID_PROPERTIES_CONFIG_1,
3319     8,                                          "Config 2",
3320     NULL, NULL, NULL,                           "Configure element properties, part 2"
3321   },
3322   {
3323     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3324     -1,                                         -1,
3325     GADGET_ID_PROPERTIES_CHANGE,                GADGET_ID_PROPERTIES_CONFIG_2,
3326     8,                                          "Change",
3327     NULL, NULL, NULL,                           "Configure custom element change pages"
3328   },
3329
3330   // ---------- level and editor settings (buttons) ---------------------------
3331
3332   {
3333     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3334     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
3335     GADGET_ID_SAVE_LEVELSET,                    GADGET_ID_LEVELSET_SAVE_MODE,
3336     -1,                                         "Save",
3337     NULL, NULL, NULL,                           "Update or create level set"
3338   },
3339   {
3340     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3341     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3342     GADGET_ID_SAVE_AS_TEMPLATE_2,               GADGET_ID_NONE,
3343     -1,                                         "Save",
3344     NULL, NULL,                                 "this level as level template",
3345     "Save current settings as new template"
3346   },
3347
3348   // ---------- element settings (buttons) ------------------------------------
3349
3350   {
3351     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3352     -1,                                         -1,
3353     GADGET_ID_SAVE_AS_TEMPLATE_1,               GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3354     -1,                                         "Save",
3355     NULL, " ",                                  "As Template",
3356     "Save current settings as new template"
3357   },
3358   {
3359     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3360     -1,                                         -1,
3361     GADGET_ID_ADD_CHANGE_PAGE,                  GADGET_ID_PASTE_CHANGE_PAGE,
3362     -1,                                         "New",
3363     NULL, NULL, NULL,                           "Add new change page"
3364   },
3365   {
3366     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3367     -1,                                         -1,
3368     GADGET_ID_DEL_CHANGE_PAGE,                  GADGET_ID_ADD_CHANGE_PAGE,
3369     -1,                                         "Delete",
3370     NULL, NULL, NULL,                           "Delete current change page"
3371   },
3372 };
3373
3374 static struct
3375 {
3376   int gadget_type_id;
3377   int graphic;
3378   int x, y;
3379   int gadget_id;
3380   int gadget_id_align;
3381   char *text_left, *text_right, *infotext;
3382 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3383 {
3384   {
3385     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3386     IMG_EDITOR_COUNTER_DOWN,
3387     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3388     GADGET_ID_PREV_CHANGE_PAGE,                 GADGET_ID_NONE,
3389     NULL, NULL,                                 "Select previous change page"
3390   },
3391   {
3392     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3393     IMG_EDITOR_COUNTER_UP,
3394     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3395     GADGET_ID_NEXT_CHANGE_PAGE,                 GADGET_ID_SELECT_CHANGE_PAGE,
3396     NULL, "Change page",                        "Select next change page"
3397   },
3398   {
3399     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3400     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3401     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3402     GADGET_ID_COPY_CHANGE_PAGE,                 GADGET_ID_NEXT_CHANGE_PAGE,
3403     " ", NULL,                                  "Copy settings from this change page"
3404   },
3405   {
3406     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3407     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3408     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3409     GADGET_ID_PASTE_CHANGE_PAGE,                GADGET_ID_COPY_CHANGE_PAGE,
3410     NULL, NULL,                                 "Paste settings to this change page"
3411   },
3412 };
3413
3414 static struct
3415 {
3416   int x, y;
3417 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3418
3419 static struct
3420 {
3421   int gadget_type_id;
3422   int graphic;
3423   int gadget_id;
3424   char *infotext;
3425 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3426 {
3427   {
3428     ED_SCROLLBUTTON_ID_AREA_UP,
3429     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3430     GADGET_ID_SCROLL_UP,
3431     "Scroll level editing area up"
3432   },
3433   {
3434     ED_SCROLLBUTTON_ID_AREA_DOWN,
3435     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3436     GADGET_ID_SCROLL_DOWN,
3437     "Scroll level editing area down"
3438   },
3439   {
3440     ED_SCROLLBUTTON_ID_AREA_LEFT,
3441     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3442     GADGET_ID_SCROLL_LEFT,
3443     "Scroll level editing area left"
3444   },
3445   {
3446     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3447     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3448     GADGET_ID_SCROLL_RIGHT,
3449     "Scroll level editing area right"
3450   },
3451   {
3452     ED_SCROLLBUTTON_ID_LIST_UP,
3453     IMG_EDITOR_PALETTE_SCROLL_UP,
3454     GADGET_ID_SCROLL_LIST_UP,
3455     "Scroll element list up ('Page Up')"
3456   },
3457   {
3458     ED_SCROLLBUTTON_ID_LIST_DOWN,
3459     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3460     GADGET_ID_SCROLL_LIST_DOWN,
3461     "Scroll element list down ('Page Down')"
3462   },
3463 };
3464
3465 static struct
3466 {
3467   int x, y;
3468   int width, height;
3469   int wheel_x, wheel_y;
3470   int wheel_width, wheel_height;
3471 } scrollbar_pos[ED_NUM_SCROLLBARS];
3472
3473 static struct
3474 {
3475   int gadget_type_id;
3476   int graphic;
3477   int type;
3478   int gadget_id;
3479   char *infotext;
3480 } scrollbar_info[ED_NUM_SCROLLBARS] =
3481 {
3482   {
3483     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3484     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3485     GD_TYPE_SCROLLBAR_HORIZONTAL,
3486     GADGET_ID_SCROLL_HORIZONTAL,
3487     "Scroll level editing area horizontally"
3488   },
3489   {
3490     ED_SCROLLBAR_ID_AREA_VERTICAL,
3491     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3492     GD_TYPE_SCROLLBAR_VERTICAL,
3493     GADGET_ID_SCROLL_VERTICAL,
3494     "Scroll level editing area vertically"
3495   },
3496   {
3497     ED_SCROLLBAR_ID_LIST_VERTICAL,
3498     IMG_EDITOR_PALETTE_SCROLLBAR,
3499     GD_TYPE_SCROLLBAR_VERTICAL,
3500     GADGET_ID_SCROLL_LIST_VERTICAL,
3501     "Scroll element list vertically"
3502   }
3503 };
3504
3505
3506 static struct
3507 {
3508   int gadget_type_id;
3509   int x, y;
3510   int gadget_id;
3511   int gadget_id_align;
3512   int radio_button_nr;
3513   int *value;
3514   int checked_value;
3515   char *text_left, *text_right, *infotext;
3516 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3517 {
3518   {
3519     ED_RADIOBUTTON_ID_PERCENTAGE,
3520     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3521     GADGET_ID_RANDOM_PERCENTAGE,                GADGET_ID_LEVEL_RANDOM_UP,
3522     RADIO_NR_RANDOM_ELEMENTS,
3523     &random_placement_method,                   RANDOM_USE_PERCENTAGE,
3524     " ", "percentage",                          "Use percentage for random elements"
3525   },
3526   {
3527     ED_RADIOBUTTON_ID_QUANTITY,
3528     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3529     GADGET_ID_RANDOM_QUANTITY,                  GADGET_ID_RANDOM_PERCENTAGE,
3530     RADIO_NR_RANDOM_ELEMENTS,
3531     &random_placement_method,                   RANDOM_USE_QUANTITY,
3532     " ", "quantity",                            "Use quantity for random elements"
3533   }
3534 };
3535
3536 static struct
3537 {
3538   int gadget_type_id;
3539   int x, y;
3540   int gadget_id;
3541   int gadget_id_align;
3542   boolean *value;
3543   char *text_above, *text_left, *text_right, *infotext;
3544 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3545 {
3546   // ---------- level and editor settings -------------------------------------
3547
3548   {
3549     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3550     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3551     GADGET_ID_AUTO_COUNT_GEMS,                  GADGET_ID_NONE,
3552     &level.auto_count_gems,
3553     NULL, NULL,
3554     "Automatically count gems needed",          "Set counter to number of gems"
3555   },
3556   {
3557     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3558     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(11),
3559     GADGET_ID_RATE_TIME_OVER_SCORE,             GADGET_ID_NONE,
3560     &level.rate_time_over_score,
3561     NULL, NULL,
3562     "Rate time/steps used over score",          "Sort high scores by playing time/steps"
3563   },
3564   {
3565     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3566     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(7),
3567     GADGET_ID_USE_LEVELSET_ARTWORK,             GADGET_ID_NONE,
3568     &levelset_use_levelset_artwork,
3569     NULL, NULL,
3570     "Use current custom artwork",               "Use custom artwork of this level set"
3571   },
3572   {
3573     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3574     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
3575     GADGET_ID_COPY_LEVEL_TEMPLATE,              GADGET_ID_NONE,
3576     &levelset_copy_level_template,
3577     NULL, NULL,
3578     "Copy current level template",              "Copy level template of this level set"
3579   },
3580   {
3581     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3582     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(1),
3583     GADGET_ID_RANDOM_RESTRICTED,                GADGET_ID_NONE,
3584     &random_placement_background_restricted,
3585     NULL, NULL,
3586     "Restrict random placement to:",            "Set random placement restriction"
3587   },
3588   {
3589     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3590     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
3591     GADGET_ID_CUSTOM_USE_TEMPLATE_3,            GADGET_ID_NONE,
3592     &setup.editor.use_template_for_new_levels,
3593     "Template for new levels and CE/GE:", NULL,
3594     "Use template for new levels",              "Use template for level properties"
3595   },
3596   {
3597     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3598     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
3599     GADGET_ID_CUSTOM_USE_TEMPLATE_2,            GADGET_ID_NONE,
3600     &level.use_custom_template,
3601     NULL, NULL,
3602     "Use template for custom elements",         "Use template for custom properties"
3603   },
3604   {
3605     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3606     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(0),
3607     GADGET_ID_BD_INTERMISSION,                  GADGET_ID_NONE,
3608     &level.bd_intermission,
3609     "Boulder Dash game engine settings:", NULL,
3610     "Intermission",                             "Level is an intermission level"
3611   },
3612   {
3613     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3614     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(2),
3615     GADGET_ID_BD_PAL_TIMING,                    GADGET_ID_NONE,
3616     &level.bd_pal_timing,
3617     NULL, NULL,
3618     "PAL timing",                               "Use slower timer (like PAL C64)"
3619   },
3620   {
3621     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3622     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(6),
3623     GADGET_ID_BD_LINE_SHIFTING_BORDERS,         GADGET_ID_NONE,
3624     &level.bd_line_shifting_borders,
3625     "Compatibility settings:", NULL,
3626     "Line-shifting borders",                    "Use line-shifting wrap-around"
3627   },
3628   {
3629     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3630     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(7),
3631     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,       GADGET_ID_NONE,
3632     &level.bd_scan_first_and_last_row,
3633     NULL, NULL,
3634     "Scan first and last row",                  "Also process top/bottom border rows"
3635   },
3636   {
3637     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3638     ED_ENGINE_SETTINGS_XPOS(0),                 ED_ENGINE_SETTINGS_YPOS(8),
3639     GADGET_ID_BD_SHORT_EXPLOSIONS,              GADGET_ID_NONE,
3640     &level.bd_short_explosions,
3641     NULL, NULL,
3642     "Short explosions",                         "Use four game cycles for explosions"
3643   },
3644
3645   // ---------- element settings: configure (various elements) ----------------
3646
3647   {
3648     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3649     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3650     GADGET_ID_STICK_ELEMENT,                    GADGET_ID_NONE,
3651     &stick_element_properties_window,
3652     NULL, NULL,
3653     "Stick this screen to edit content",        "Stick this screen to edit content"
3654   },
3655   {
3656     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3657     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3658     GADGET_ID_EM_SLIPPERY_GEMS,                 GADGET_ID_NONE,
3659     &level.em_slippery_gems,
3660     NULL, NULL,
3661     "Slip down from certain flat walls",        "Use EM/DC style slipping behaviour"
3662   },
3663   {
3664     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3665     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3666     GADGET_ID_EM_EXPLODES_BY_FIRE,              GADGET_ID_NONE,
3667     &level.em_explodes_by_fire,
3668     NULL, NULL,
3669     "Explodes with chain reaction",             "Use R'n'D style explosion behaviour"
3670   },
3671   {
3672     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3673     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3674     GADGET_ID_USE_SPRING_BUG,                   GADGET_ID_NONE,
3675     &level.use_spring_bug,
3676     NULL, NULL,
3677     "Use spring pushing bug",                   "Use odd spring pushing behaviour"
3678   },
3679   {
3680     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3681     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3682     GADGET_ID_USE_TIME_ORB_BUG,                 GADGET_ID_NONE,
3683     &level.use_time_orb_bug,
3684     NULL, NULL,
3685     "Use time orb bug",                         "Use odd time orb behaviour"
3686   },
3687   {
3688     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3689     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3690     GADGET_ID_USE_LIFE_BUGS,                    GADGET_ID_NONE,
3691     &level.use_life_bugs,
3692     NULL, NULL,
3693     "Use buggy element behaviour",              "Use odd (historic) element behaviour"
3694   },
3695   {
3696     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3697     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3698     GADGET_ID_RANDOM_BALL_CONTENT,              GADGET_ID_NONE,
3699     &level.ball_random,
3700     NULL, NULL,
3701     "Create single random element",             "Only create one element from content"
3702   },
3703   {
3704     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3705     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3706     GADGET_ID_INITIAL_BALL_ACTIVE,              GADGET_ID_NONE,
3707     &level.ball_active_initial,
3708     NULL, NULL,
3709     "Magic ball initially activated",           "Activate magic ball after level start"
3710   },
3711   {
3712     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3713     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3714     GADGET_ID_GROW_INTO_DIGGABLE,               GADGET_ID_NONE,
3715     &level.grow_into_diggable,
3716     NULL, NULL,
3717     "Can grow into anything diggable",          "Grow into more than just sand"
3718   },
3719   {
3720     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3721     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3722     GADGET_ID_SB_FIELDS_NEEDED,                 GADGET_ID_NONE,
3723     &level.sb_fields_needed,
3724     NULL, NULL,
3725     "All fields need to be filled",             "Require all SB fields to be solved"
3726   },
3727   {
3728     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3729     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3730     GADGET_ID_SB_OBJECTS_NEEDED,                GADGET_ID_NONE,
3731     &level.sb_objects_needed,
3732     NULL, NULL,
3733     "All objects need to be placed",            "Require all SB objects to be solved"
3734   },
3735   {
3736     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3737     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3738     GADGET_ID_AUTO_EXIT_SOKOBAN,                GADGET_ID_NONE,
3739     &level.auto_exit_sokoban,
3740     NULL, NULL,
3741     "Exit level if all tasks solved",           "Automatically finish Sokoban levels"
3742   },
3743   {
3744     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3745     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3746     GADGET_ID_SOLVED_BY_ONE_PLAYER,             GADGET_ID_NONE,
3747     &level.solved_by_one_player,
3748     NULL, NULL,
3749     "Only one player must enter exit",          "Level solved by first player in exit"
3750   },
3751   {
3752     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3753     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3754     GADGET_ID_FINISH_DIG_COLLECT,               GADGET_ID_NONE,
3755     &level.finish_dig_collect,
3756     NULL, NULL,
3757     "CE action on finished dig/collect",        "Only finished dig/collect triggers CE"
3758   },
3759   {
3760     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3761     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3762     GADGET_ID_KEEP_WALKABLE_CE,                 GADGET_ID_NONE,
3763     &level.keep_walkable_ce,
3764     NULL, NULL,
3765     "Keep walkable CE changed to player",       "Keep CE changing to player if walkable"
3766   },
3767   {
3768     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3769     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
3770     GADGET_ID_CONTINUOUS_SNAPPING,              GADGET_ID_NONE,
3771     &level.continuous_snapping,
3772     NULL, NULL,
3773     "Continuous snapping",                      "Use snapping without releasing key"
3774   },
3775   {
3776     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3777     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
3778     GADGET_ID_BLOCK_SNAP_FIELD,                 GADGET_ID_NONE,
3779     &level.block_snap_field,
3780     NULL, NULL,
3781     "Block snapped field when snapping",        "Use snapping delay to show animation"
3782   },
3783   {
3784     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3785     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3786     GADGET_ID_BLOCK_LAST_FIELD,                 GADGET_ID_NONE,
3787     &level.block_last_field,
3788     NULL, NULL,
3789     "Block last field when moving",             "Player blocks last field when moving"
3790   },
3791   {
3792     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3793     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3794     GADGET_ID_SP_BLOCK_LAST_FIELD,              GADGET_ID_NONE,
3795     &level.sp_block_last_field,
3796     NULL, NULL,
3797     "Block last field when moving",             "Player blocks last field when moving"
3798   },
3799   {
3800     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3801     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3802     GADGET_ID_INSTANT_RELOCATION,               GADGET_ID_NONE,
3803     &level.instant_relocation,
3804     NULL, NULL,
3805     "No scrolling when relocating",             "Player gets relocated without delay"
3806   },
3807   {
3808     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3809     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3810     GADGET_ID_SHIFTED_RELOCATION,               GADGET_ID_NONE,
3811     &level.shifted_relocation,
3812     NULL, NULL,
3813     "No centering when relocating",             "Level not centered after relocation"
3814   },
3815   {
3816     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3817     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3818     GADGET_ID_LAZY_RELOCATION,                  GADGET_ID_NONE,
3819     &level.lazy_relocation,
3820     NULL, NULL,
3821     "Only redraw off-screen relocation",        "No redraw if relocation target visible"
3822   },
3823   {
3824     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3825     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
3826     GADGET_ID_USE_START_ELEMENT,                GADGET_ID_NONE,
3827     &level.use_start_element[0],
3828     NULL, NULL,
3829     "Use level start element:",                "Start level at this element's position"
3830   },
3831   {
3832     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3833     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
3834     GADGET_ID_USE_ARTWORK_ELEMENT,              GADGET_ID_NONE,
3835     &level.use_artwork_element[0],
3836     NULL, NULL,
3837     "Use artwork from element:",                "Use player artwork from other element"
3838   },
3839   {
3840     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3841     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(12),
3842     GADGET_ID_USE_EXPLOSION_ELEMENT,            GADGET_ID_NONE,
3843     &level.use_explosion_element[0],
3844     NULL, NULL,
3845     "Use explosion from element:",              "Use explosion properties from element"
3846   },
3847   {
3848     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3849     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
3850     GADGET_ID_INITIAL_GRAVITY,                  GADGET_ID_NONE,
3851     &level.initial_player_gravity[0],
3852     NULL, NULL,
3853     "Use initial gravity",                      "Set initial player gravity"
3854   },
3855   {
3856     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3857     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3858     GADGET_ID_USE_INITIAL_INVENTORY,            GADGET_ID_NONE,
3859     &level.use_initial_inventory[0],
3860     NULL, NULL,
3861     "Use initial inventory:",                   "Use collected elements on level start"
3862   },
3863   {
3864     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3865     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
3866     GADGET_ID_CAN_PASS_TO_WALKABLE,             GADGET_ID_NONE,
3867     &level.can_pass_to_walkable,
3868     NULL, NULL,
3869     "Can pass to walkable element",             "Player can pass to empty or walkable"
3870   },
3871   {
3872     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3873     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3874     GADGET_ID_CAN_FALL_INTO_ACID,               GADGET_ID_NONE,
3875     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3876     NULL, NULL,
3877     "Can fall into acid (with gravity)",        "Player can fall into acid pool"
3878   },
3879   {
3880     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3881     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3882     GADGET_ID_CAN_MOVE_INTO_ACID,               GADGET_ID_NONE,
3883     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3884     NULL, NULL,
3885     "Can move into acid",                       "Element can move into acid pool"
3886   },
3887   {
3888     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3889     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3890     GADGET_ID_DONT_COLLIDE_WITH,                GADGET_ID_NONE,
3891     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3892     NULL, NULL,
3893     "Deadly when colliding with",               "Element is deadly when hitting player"
3894   },
3895   {
3896     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3897     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3898     GADGET_ID_BD_DIAGONAL_MOVEMENTS,            GADGET_ID_NONE,
3899     &level.bd_diagonal_movements,
3900     NULL, NULL,
3901     "Can move diagonally",                      "Player can move diagonally"
3902   },
3903   {
3904     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
3905     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3906     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,         GADGET_ID_NONE,
3907     &level.bd_topmost_player_active,
3908     NULL, NULL,
3909     "Topmost player is active",                 "Use first player found on playfield"
3910   },
3911   {
3912     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
3913     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3914     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,     GADGET_ID_NONE,
3915     &level.bd_push_mega_rock_with_sweet,
3916     NULL, NULL,
3917     "Mega rocks pushable with sweet",           "Push mega rocks after eating sweet"
3918   },
3919   {
3920     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE,
3921     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3922     GADGET_ID_BD_MAGIC_WALL_ZERO_INFINITE,      GADGET_ID_NONE,
3923     &level.bd_magic_wall_zero_infinite,
3924     NULL, NULL,
3925     "Run forever if duration is zero",          "Run infinitely if timer is zero"
3926   },
3927   {
3928     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
3929     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3930     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,      GADGET_ID_NONE,
3931     &level.bd_magic_wall_wait_hatching,
3932     NULL, NULL,
3933     "Wait for player's birth",                  "Timer start waits for player's birth"
3934   },
3935   {
3936     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
3937     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3938     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,       GADGET_ID_NONE,
3939     &level.bd_magic_wall_stops_amoeba,
3940     NULL, NULL,
3941     "Stop amoeba and turn to diamonds",         "Activation changes amoeba to diamonds"
3942   },
3943   {
3944     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN,
3945     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3946     GADGET_ID_BD_MAGIC_WALL_BREAK_SCAN,         GADGET_ID_NONE,
3947     &level.bd_magic_wall_break_scan,
3948     NULL, NULL,
3949     "Emulate amoeba bug in BD1",                "Use buggy BD1 behavior"
3950   },
3951   {
3952     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
3953     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3954     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,      GADGET_ID_NONE,
3955     &level.bd_amoeba_wait_for_hatching,
3956     NULL, NULL,
3957     "Wait for player's birth",                  "Timer start waits for player's birth"
3958   },
3959   {
3960     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
3961     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3962     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,      GADGET_ID_NONE,
3963     &level.bd_amoeba_start_immediately,
3964     NULL, NULL,
3965     "Start growing immediately",                "Start slow growth time immediately"
3966   },
3967   {
3968     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
3969     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
3970     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,    GADGET_ID_NONE,
3971     &level.bd_amoeba_2_explode_by_amoeba,
3972     NULL, NULL,
3973     "Explodes if touched by amoeba",            "Amoeba 2 explodes if touched by amoeba"
3974   },
3975   {
3976     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
3977     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3978     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,      GADGET_ID_NONE,
3979     &level.bd_voodoo_collects_diamonds,
3980     NULL, NULL,
3981     "Can collect diamonds",                     "Can collect diamonds for the player"
3982   },
3983   {
3984     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
3985     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3986     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,      GADGET_ID_NONE,
3987     &level.bd_voodoo_hurt_kills_player,
3988     NULL, NULL,
3989     "Player is killed if hurt",                 "If hurt in any way, player is killed"
3990   },
3991   {
3992     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
3993     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3994     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,           GADGET_ID_NONE,
3995     &level.bd_voodoo_dies_by_rock,
3996     NULL, NULL,
3997     "Killed by falling rock",                   "Can be killed by a falling rock"
3998   },
3999   {
4000     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
4001     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4002     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,    GADGET_ID_NONE,
4003     &level.bd_voodoo_vanish_by_explosion,
4004     NULL, NULL,
4005     "Disappears in explosions",                 "Can be destroyed by explosions"
4006   },
4007   {
4008     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
4009     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4010     GADGET_ID_BD_SLIME_IS_PREDICTABLE,          GADGET_ID_NONE,
4011     &level.bd_slime_is_predictable,
4012     NULL, NULL,
4013     "Slime is predictable",                     "Use predictable random numbers"
4014   },
4015   {
4016     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
4017     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4018     GADGET_ID_BD_CHANGE_EXPANDING_WALL,         GADGET_ID_NONE,
4019     &level.bd_change_expanding_wall,
4020     NULL, NULL,
4021     "Change direction",                         "Switch horizontal/vertical direction"
4022   },
4023   {
4024     ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
4025     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4026     GADGET_ID_BD_REPLICATORS_ACTIVE,            GADGET_ID_NONE,
4027     &level.bd_replicators_active,
4028     NULL, NULL,
4029     "Active at start",                          "Replicators start in active state"
4030   },
4031   {
4032     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
4033     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4034     GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,         GADGET_ID_NONE,
4035     &level.bd_conveyor_belts_active,
4036     NULL, NULL,
4037     "Active at start",                          "Conveyor belts start in active state"
4038   },
4039   {
4040     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
4041     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4042     GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,        GADGET_ID_NONE,
4043     &level.bd_conveyor_belts_changed,
4044     NULL, NULL,
4045     "Change direction",                         "Switch conveyor belt direction"
4046   },
4047   {
4048     ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
4049     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4050     GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,        GADGET_ID_NONE,
4051     &level.bd_water_cannot_flow_down,
4052     NULL, NULL,
4053     "Does not flow downwards",                  "Water can only flow up, left and right"
4054   },
4055   {
4056     ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
4057     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4058     GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,         GADGET_ID_NONE,
4059     &level.bd_hammer_walls_reappear,
4060     NULL, NULL,
4061     "Hammered walls reappear",                  "Hammered walls reappear after delay"
4062   },
4063   {
4064     ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS,
4065     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4066     GADGET_ID_BD_INFINITE_ROCKETS,              GADGET_ID_NONE,
4067     &level.bd_infinite_rockets,
4068     NULL, NULL,
4069     "Infinite rockets",                         "Rocket launcher has infinite rockets"
4070   },
4071   {
4072     ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
4073     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
4074     GADGET_ID_BD_CREATURES_START_BACKWARDS,     GADGET_ID_NONE,
4075     &level.bd_creatures_start_backwards,
4076     NULL, NULL,
4077     "Creatures start moving backwards",         "Creatures start in opposite direction"
4078   },
4079   {
4080     ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
4081     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4082     GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,    GADGET_ID_NONE,
4083     &level.bd_creatures_turn_on_hatching,
4084     NULL, NULL,
4085     "Creatures auto turn on hatching",          "Creatures change direction on hatching"
4086   },
4087   {
4088     ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE,
4089     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4090     GADGET_ID_BD_GRAVITY_SWITCH_ACTIVE,         GADGET_ID_NONE,
4091     &level.bd_gravity_switch_active,
4092     NULL, NULL,
4093     "Gravity switch active at start",           "Gravity switch starts in active state"
4094   },
4095   {
4096     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
4097     ED_LEVEL_SETTINGS_XPOS(0),                  ED_ELEMENT_SETTINGS_YPOS(3),
4098     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,           GADGET_ID_NONE,
4099     &level.bd_gravity_affects_all,
4100     NULL, NULL,
4101     "Gravity change affects everything",        "Gravity affects all falling objects"
4102   },
4103   {
4104     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
4105     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4106     GADGET_ID_ENVELOPE_AUTOWRAP,                GADGET_ID_NONE,
4107     &level.envelope[0].autowrap,
4108     NULL, NULL,
4109     "Auto-wrap",                                "Automatically wrap envelope text"
4110   },
4111   {
4112     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
4113     -1,                                         ED_ELEMENT_SETTINGS_YPOS(1),
4114     GADGET_ID_ENVELOPE_CENTERED,                GADGET_ID_ENVELOPE_AUTOWRAP,
4115     &level.envelope[0].centered,
4116     NULL, " ",
4117     "Centered",                                 "Automatically center envelope text"
4118   },
4119   {
4120     ED_CHECKBUTTON_ID_MM_LASER_RED,
4121     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4122     GADGET_ID_MM_LASER_RED,                     GADGET_ID_NONE,
4123     &level.mm_laser_red,
4124     "Choose color components for laser:", NULL,
4125     "Red",                                      "Use red color components in laser"
4126   },
4127   {
4128     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
4129     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4130     GADGET_ID_MM_LASER_GREEN,                   GADGET_ID_NONE,
4131     &level.mm_laser_green,
4132     NULL, NULL,
4133     "Green",                                    "Use green color components in laser"
4134   },
4135   {
4136     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
4137     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4138     GADGET_ID_MM_LASER_BLUE,                    GADGET_ID_NONE,
4139     &level.mm_laser_blue,
4140     NULL, NULL,
4141     "Blue",                                     "Use blue color components in laser"
4142   },
4143   {
4144     ED_CHECKBUTTON_ID_DF_LASER_RED,
4145     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4146     GADGET_ID_DF_LASER_RED,                     GADGET_ID_NONE,
4147     &level.df_laser_red,
4148     "Choose color components for laser:", NULL,
4149     "Red",                                      "Use red color components in laser"
4150   },
4151   {
4152     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
4153     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4154     GADGET_ID_DF_LASER_GREEN,                   GADGET_ID_NONE,
4155     &level.df_laser_green,
4156     NULL, NULL,
4157     "Green",                                    "Use green color components in laser"
4158   },
4159   {
4160     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
4161     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4162     GADGET_ID_DF_LASER_BLUE,                    GADGET_ID_NONE,
4163     &level.df_laser_blue,
4164     NULL, NULL,
4165     "Blue",                                     "Use blue color components in laser"
4166   },
4167   {
4168     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
4169     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
4170     GADGET_ID_ROTATE_MM_BALL_CONTENT,           GADGET_ID_NONE,
4171     &level.rotate_mm_ball_content,
4172     NULL, NULL,
4173     "Randomly rotate created content",          "Randomly rotate newly created content"
4174   },
4175   {
4176     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
4177     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
4178     GADGET_ID_EXPLODE_MM_BALL,                  GADGET_ID_NONE,
4179     &level.explode_mm_ball,
4180     NULL, NULL,
4181     "Explode ball instead of melting",          "Use explosion to release ball content"
4182   },
4183
4184   // ---------- element settings: configure 1 (custom elements) ---------------
4185
4186   {
4187     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
4188     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4189     GADGET_ID_CUSTOM_USE_GRAPHIC,               GADGET_ID_NONE,
4190     &custom_element.use_gfx_element,
4191     NULL, NULL,
4192     "Use graphic of element:",                  "Use existing element graphic"
4193   },
4194   {
4195     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
4196     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
4197     GADGET_ID_CUSTOM_USE_TEMPLATE_1,            GADGET_ID_NONE,
4198     &level.use_custom_template,
4199     NULL, NULL,
4200     "Use template",                             "Use template for custom properties"
4201   },
4202   {
4203     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
4204     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4205     GADGET_ID_CUSTOM_ACCESSIBLE,                GADGET_ID_NONE,
4206     &custom_element_properties[EP_ACCESSIBLE],
4207     NULL, NULL,
4208     NULL,                                       "Player can walk to or pass this field"
4209   },
4210   {
4211     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
4212     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4213     GADGET_ID_CUSTOM_GRAV_REACHABLE,            GADGET_ID_NONE,
4214     &custom_element_properties[EP_GRAVITY_REACHABLE],
4215     NULL, NULL,
4216     "Reachable despite gravity",                "Player can walk/dig despite gravity"
4217   },
4218   {
4219     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
4220     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4221     GADGET_ID_CUSTOM_USE_LAST_VALUE,            GADGET_ID_NONE,
4222     &custom_element.use_last_ce_value,
4223     NULL, NULL,
4224     "Use last CE value after change",           "Use last CE value after change"
4225   },
4226   {
4227     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
4228     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4229     GADGET_ID_CUSTOM_WALK_TO_OBJECT,            GADGET_ID_NONE,
4230     &custom_element_properties[EP_WALK_TO_OBJECT],
4231     NULL, NULL,
4232     NULL,                                       "Player can dig/collect/push element"
4233   },
4234   {
4235     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
4236     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4237     GADGET_ID_CUSTOM_INDESTRUCTIBLE,            GADGET_ID_NONE,
4238     &custom_element_properties[EP_INDESTRUCTIBLE],
4239     NULL, NULL,
4240     "Indestructible",                           "Element is indestructible"
4241   },
4242
4243   // ---------- element settings: configure 2 (custom elements) ---------------
4244
4245   {
4246     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
4247     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4248     GADGET_ID_CUSTOM_CAN_MOVE,                  GADGET_ID_NONE,
4249     &custom_element_properties[EP_CAN_MOVE],
4250     NULL, NULL,
4251     NULL,                                       "Element can move with some pattern"
4252   },
4253   {
4254     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
4255     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4256     GADGET_ID_CUSTOM_CAN_FALL,                  GADGET_ID_NONE,
4257     &custom_element_properties[EP_CAN_FALL],
4258     NULL, NULL,
4259     "Can fall",                                 "Element can fall down"
4260   },
4261   {
4262     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
4263     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
4264     GADGET_ID_CUSTOM_CAN_SMASH,                 GADGET_ID_CUSTOM_CAN_FALL,
4265     &custom_element_properties[EP_CAN_SMASH],
4266     NULL, " ",
4267     NULL,                                       "Element can smash other elements"
4268   },
4269   {
4270     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
4271     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4272     GADGET_ID_CUSTOM_SLIPPERY,                  GADGET_ID_NONE,
4273     &custom_element_properties[EP_SLIPPERY],
4274     NULL, NULL,
4275     NULL,                                       "Other elements can fall down from it"
4276   },
4277   {
4278     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
4279     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
4280     GADGET_ID_CUSTOM_DEADLY,                    GADGET_ID_NONE,
4281     &custom_element_properties[EP_DEADLY],
4282     NULL, NULL,
4283     NULL,                                       "Element can kill the player"
4284   },
4285   {
4286     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4287     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4288     GADGET_ID_CUSTOM_CAN_EXPLODE,               GADGET_ID_NONE,
4289     &custom_element_properties[EP_CAN_EXPLODE],
4290     NULL, NULL,
4291     NULL,                                       "Element can explode"
4292   },
4293   {
4294     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4295     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(12),
4296     GADGET_ID_CUSTOM_EXPLODE_FIRE,              GADGET_ID_NONE,
4297     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4298     NULL, NULL,
4299     "By fire",                                  "Element can explode by fire/explosion"
4300   },
4301   {
4302     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4303     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4304     GADGET_ID_CUSTOM_EXPLODE_SMASH,             GADGET_ID_CUSTOM_EXPLODE_FIRE,
4305     &custom_element_properties[EP_EXPLODES_SMASHED],
4306     NULL, " ",
4307     "Smashed",                                  "Element can explode when smashed"
4308   },
4309   {
4310     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4311     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4312     GADGET_ID_CUSTOM_EXPLODE_IMPACT,            GADGET_ID_CUSTOM_EXPLODE_SMASH,
4313     &custom_element_properties[EP_EXPLODES_IMPACT],
4314     NULL, " ",
4315     "Impact",                                   "Element can explode on impact"
4316   },
4317
4318   // ---------- element settings: advanced (custom elements) ------------------
4319
4320   {
4321     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4322     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4323     GADGET_ID_CUSTOM_CAN_CHANGE,                GADGET_ID_NONE,
4324     &custom_element_change.can_change,
4325     NULL, NULL,
4326     "Element changes to:",                      "Change element on specified condition"
4327   },
4328   {
4329     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4330     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
4331     GADGET_ID_CHANGE_DELAY,                     GADGET_ID_NONE,
4332     &custom_element_change_events[CE_DELAY],
4333     NULL, NULL,
4334     NULL,                                       "Element changes after delay"
4335   },
4336   {
4337     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4338     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
4339     GADGET_ID_CHANGE_BY_DIRECT_ACT,             GADGET_ID_NONE,
4340     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4341     NULL, NULL,
4342     NULL,                                       "Element changes by direct action"
4343   },
4344   {
4345     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4346     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
4347     GADGET_ID_CHANGE_BY_OTHER_ACT,              GADGET_ID_NONE,
4348     &custom_element_change_events[CE_BY_OTHER_ACTION],
4349     NULL, NULL,
4350     NULL,                                       "Element changes by other element"
4351   },
4352   {
4353     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4354     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(8),
4355     GADGET_ID_CHANGE_USE_EXPLOSION,             GADGET_ID_NONE,
4356     &custom_element_change.explode,
4357     NULL, NULL,
4358     "Explode instead of change",                "Element explodes instead of change"
4359   },
4360   {
4361     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4362     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
4363     GADGET_ID_CHANGE_USE_CONTENT,               GADGET_ID_NONE,
4364     &custom_element_change.use_target_content,
4365     NULL, NULL,
4366     "Use extended change target:",              "Element changes to more elements"
4367   },
4368   {
4369     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4370     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(11),
4371     GADGET_ID_CHANGE_ONLY_COMPLETE,             GADGET_ID_NONE,
4372     &custom_element_change.only_if_complete,
4373     NULL, NULL,
4374     "Replace all or nothing",                   "Only replace when all can be changed"
4375   },
4376   {
4377     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4378     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(12),
4379     GADGET_ID_CHANGE_USE_RANDOM,                GADGET_ID_NONE,
4380     &custom_element_change.use_random_replace,
4381     NULL, NULL,
4382     NULL,                                       "Use percentage for random replace"
4383   },
4384   {
4385     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4386     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
4387     GADGET_ID_CHANGE_HAS_ACTION,                GADGET_ID_NONE,
4388     &custom_element_change.has_action,
4389     NULL, NULL,
4390     NULL,                                       "Execute action on specified condition"
4391   },
4392 };
4393
4394 static struct
4395 {
4396   int gadget_type_id;
4397   int x, y;
4398   int xoffset, yoffset;
4399   int gadget_id;
4400   int gadget_id_align;
4401   int *value;
4402   int area_xsize, area_ysize;
4403   char *text_left, *text_right, *text_above, *text_below, *infotext;
4404 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4405 {
4406   // ---------- level playfield content ---------------------------------------
4407
4408   {
4409     ED_DRAWING_ID_DRAWING_LEVEL,
4410     0,                                          0,
4411     0,                                          0,
4412     GADGET_ID_DRAWING_LEVEL,                    GADGET_ID_NONE,
4413     NULL,
4414     -1, -1,     // these values are not constant, but can change at runtime
4415     NULL, NULL, NULL, NULL,                     NULL
4416   },
4417
4418   // ---------- yam yam content -----------------------------------------------
4419
4420   {
4421     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4422     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4423     ED_AREA_YAMYAM_CONTENT_XOFF(0),             ED_AREA_YAMYAM_CONTENT_YOFF(0),
4424     GADGET_ID_YAMYAM_CONTENT_0,                 GADGET_ID_NONE,
4425     &level.yamyam_content[0].e[0][0],           3, 3,
4426     NULL, NULL, NULL, "1",                      NULL
4427   },
4428   {
4429     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4430     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4431     ED_AREA_YAMYAM_CONTENT_XOFF(1),             ED_AREA_YAMYAM_CONTENT_YOFF(1),
4432     GADGET_ID_YAMYAM_CONTENT_1,                 GADGET_ID_NONE,
4433     &level.yamyam_content[1].e[0][0],           3, 3,
4434     NULL, NULL, NULL, "2",                      NULL
4435   },
4436   {
4437     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4438     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4439     ED_AREA_YAMYAM_CONTENT_XOFF(2),             ED_AREA_YAMYAM_CONTENT_YOFF(2),
4440     GADGET_ID_YAMYAM_CONTENT_2,                 GADGET_ID_NONE,
4441     &level.yamyam_content[2].e[0][0],           3, 3,
4442     NULL, NULL, NULL, "3",                      NULL
4443   },
4444   {
4445     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4446     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4447     ED_AREA_YAMYAM_CONTENT_XOFF(3),             ED_AREA_YAMYAM_CONTENT_YOFF(3),
4448     GADGET_ID_YAMYAM_CONTENT_3,                 GADGET_ID_NONE,
4449     &level.yamyam_content[3].e[0][0],           3, 3,
4450     NULL, NULL, NULL, "4",                      NULL
4451   },
4452   {
4453     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4454     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4455     ED_AREA_YAMYAM_CONTENT_XOFF(4),             ED_AREA_YAMYAM_CONTENT_YOFF(4),
4456     GADGET_ID_YAMYAM_CONTENT_4,                 GADGET_ID_NONE,
4457     &level.yamyam_content[4].e[0][0],           3, 3,
4458     NULL, NULL, NULL, "5",                      NULL
4459   },
4460   {
4461     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4462     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4463     ED_AREA_YAMYAM_CONTENT_XOFF(5),             ED_AREA_YAMYAM_CONTENT_YOFF(5),
4464     GADGET_ID_YAMYAM_CONTENT_5,                 GADGET_ID_NONE,
4465     &level.yamyam_content[5].e[0][0],           3, 3,
4466     NULL, NULL, NULL, "6",                      NULL
4467   },
4468   {
4469     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4470     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4471     ED_AREA_YAMYAM_CONTENT_XOFF(6),             ED_AREA_YAMYAM_CONTENT_YOFF(6),
4472     GADGET_ID_YAMYAM_CONTENT_6,                 GADGET_ID_NONE,
4473     &level.yamyam_content[6].e[0][0],           3, 3,
4474     NULL, NULL, NULL, "7",                      NULL
4475   },
4476   {
4477     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4478     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4479     ED_AREA_YAMYAM_CONTENT_XOFF(7),             ED_AREA_YAMYAM_CONTENT_YOFF(7),
4480     GADGET_ID_YAMYAM_CONTENT_7,                 GADGET_ID_NONE,
4481     &level.yamyam_content[7].e[0][0],           3, 3,
4482     NULL, NULL, NULL, "8",                      NULL
4483   },
4484
4485   // ---------- magic ball content --------------------------------------------
4486
4487   {
4488     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4489     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4490     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4491     GADGET_ID_MAGIC_BALL_CONTENT_0,             GADGET_ID_NONE,
4492     &level.ball_content[0].e[0][0],             3, 3,
4493     NULL, NULL, NULL, "1",                      NULL
4494   },
4495   {
4496     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4497     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4498     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4499     GADGET_ID_MAGIC_BALL_CONTENT_1,             GADGET_ID_NONE,
4500     &level.ball_content[1].e[0][0],             3, 3,
4501     NULL, NULL, NULL, "2",                      NULL
4502   },
4503   {
4504     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4505     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4506     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4507     GADGET_ID_MAGIC_BALL_CONTENT_2,             GADGET_ID_NONE,
4508     &level.ball_content[2].e[0][0],             3, 3,
4509     NULL, NULL, NULL, "3",                      NULL
4510   },
4511   {
4512     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4513     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4514     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4515     GADGET_ID_MAGIC_BALL_CONTENT_3,             GADGET_ID_NONE,
4516     &level.ball_content[3].e[0][0],             3, 3,
4517     NULL, NULL, NULL, "4",                      NULL
4518   },
4519   {
4520     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4521     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4522     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4523     GADGET_ID_MAGIC_BALL_CONTENT_4,             GADGET_ID_NONE,
4524     &level.ball_content[4].e[0][0],             3, 3,
4525     NULL, NULL, NULL, "5",                      NULL
4526   },
4527   {
4528     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4529     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4530     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4531     GADGET_ID_MAGIC_BALL_CONTENT_5,             GADGET_ID_NONE,
4532     &level.ball_content[5].e[0][0],             3, 3,
4533     NULL, NULL, NULL, "6",                      NULL
4534   },
4535   {
4536     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4537     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4538     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4539     GADGET_ID_MAGIC_BALL_CONTENT_6,             GADGET_ID_NONE,
4540     &level.ball_content[6].e[0][0],             3, 3,
4541     NULL, NULL, NULL, "7",                      NULL
4542   },
4543   {
4544     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4545     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4546     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4547     GADGET_ID_MAGIC_BALL_CONTENT_7,             GADGET_ID_NONE,
4548     &level.ball_content[7].e[0][0],             3, 3,
4549     NULL, NULL, NULL, "8",                      NULL
4550   },
4551
4552   // ---------- android content -----------------------------------------------
4553
4554   {
4555     ED_DRAWING_ID_ANDROID_CONTENT,
4556     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4557     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4558     GADGET_ID_ANDROID_CONTENT,                  GADGET_ID_NONE,
4559     &level.android_clone_element[0],            MAX_ANDROID_ELEMENTS, 1,
4560     NULL, NULL, "Elements:", NULL,              "Elements android can clone"
4561   },
4562
4563   // ---------- amoeba content ------------------------------------------------
4564
4565   {
4566     ED_DRAWING_ID_AMOEBA_CONTENT,
4567     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4568     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4569     GADGET_ID_AMOEBA_CONTENT,                   GADGET_ID_NONE,
4570     &level.amoeba_content,                      1, 1,
4571     "Content:", NULL, NULL, NULL,               "Amoeba content"
4572   },
4573
4574   // ---------- BD snap element -----------------------------------------------
4575
4576   {
4577     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4578     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4579     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4580     GADGET_ID_BD_SNAP_ELEMENT,                  GADGET_ID_NONE,
4581     &level.bd_snap_element,                     1, 1,
4582     "Snap element:", NULL, NULL, NULL,          "Element created when snapping"
4583   },
4584
4585   // ---------- BD magic wall elements ----------------------------------------
4586
4587   {
4588     ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
4589     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4590     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4591     GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO,         GADGET_ID_NONE,
4592     &level.bd_magic_wall_diamond_to,            1, 1,
4593     "Changes diamonds to:", NULL, NULL, NULL,   "Element to turn diamonds to"
4594   },
4595   {
4596     ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
4597     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4598     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4599     GADGET_ID_BD_MAGIC_WALL_ROCK_TO,            GADGET_ID_NONE,
4600     &level.bd_magic_wall_rock_to,               1, 1,
4601     "Changes rocks to:", NULL, NULL, NULL,      "Element to turn rocks to"
4602   },
4603   {
4604     ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
4605     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4606     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4607     GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,       GADGET_ID_NONE,
4608     &level.bd_magic_wall_mega_rock_to,          1, 1,
4609     "Changes mega rocks to:", NULL, NULL, NULL, "Element to turn mega rocks to"
4610   },
4611   {
4612     ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
4613     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(9),
4614     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4615     GADGET_ID_BD_MAGIC_WALL_NUT_TO,             GADGET_ID_NONE,
4616     &level.bd_magic_wall_nut_to,                1, 1,
4617     "Changes nuts to:", NULL, NULL, NULL,       "Element to turn nuts to"
4618   },
4619   {
4620     ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
4621     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4622     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4623     GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,      GADGET_ID_NONE,
4624     &level.bd_magic_wall_nitro_pack_to,         1, 1,
4625     "Changes nitro packs to:", NULL, NULL, NULL, "Element to turn nitro packs to"
4626   },
4627   {
4628     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
4629     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(11),
4630     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4631     GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,  GADGET_ID_NONE,
4632     &level.bd_magic_wall_flying_diamond_to,     1, 1,
4633     "Changes flying diamonds to:", NULL, NULL, NULL, "Element to turn flying diamonds to"
4634   },
4635   {
4636     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
4637     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(12),
4638     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4639     GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,     GADGET_ID_NONE,
4640     &level.bd_magic_wall_flying_rock_to,        1, 1,
4641     "Changes flying rocks to:", NULL, NULL, NULL, "Element to turn flying rocks to"
4642   },
4643
4644   // ---------- BD amoeba content ---------------------------------------------
4645
4646   {
4647     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4648     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4649     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4650     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,        GADGET_ID_NONE,
4651     &level.bd_amoeba_content_too_big,           1, 1,
4652     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba content if too big"
4653   },
4654   {
4655     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4656     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4657     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4658     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,       GADGET_ID_NONE,
4659     &level.bd_amoeba_content_enclosed,          1, 1,
4660     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba content if enclosed"
4661   },
4662
4663   // ---------- BD amoeba 2 content -------------------------------------------
4664
4665   {
4666     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4667     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4668     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4669     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,      GADGET_ID_NONE,
4670     &level.bd_amoeba_2_content_too_big,         1, 1,
4671     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if too big"
4672   },
4673   {
4674     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4675     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4676     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4677     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,     GADGET_ID_NONE,
4678     &level.bd_amoeba_2_content_enclosed,        1, 1,
4679     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if enclosed"
4680   },
4681   {
4682     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4683     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4684     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4685     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,    GADGET_ID_NONE,
4686     &level.bd_amoeba_2_content_exploding,       1, 1,
4687     "If exploding, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if exploding"
4688   },
4689   {
4690     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4691     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(11),
4692     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4693     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4694     &level.bd_amoeba_2_content_looks_like,      1, 1,
4695     "Use graphic of element:", NULL, NULL, NULL, "BD amoeba 2 looks like this element"
4696   },
4697   {
4698     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
4699     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4700     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4701     GADGET_ID_BD_SLIME_EATS_ELEMENT_1,          GADGET_ID_NONE,
4702     &level.bd_slime_eats_element_1,             1, 1,
4703     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4704   },
4705   {
4706     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
4707     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4708     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4709     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,   GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
4710     &level.bd_slime_converts_to_element_1,      1, 1,
4711     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4712   },
4713   {
4714     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
4715     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4716     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4717     GADGET_ID_BD_SLIME_EATS_ELEMENT_2,          GADGET_ID_NONE,
4718     &level.bd_slime_eats_element_2,             1, 1,
4719     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4720   },
4721   {
4722     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
4723     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4724     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4725     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,   GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
4726     &level.bd_slime_converts_to_element_2,      1, 1,
4727     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4728   },
4729   {
4730     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
4731     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4732     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4733     GADGET_ID_BD_SLIME_EATS_ELEMENT_3,          GADGET_ID_NONE,
4734     &level.bd_slime_eats_element_3,             1, 1,
4735     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4736   },
4737   {
4738     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
4739     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4740     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4741     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,   GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
4742     &level.bd_slime_converts_to_element_3,      1, 1,
4743     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4744   },
4745   {
4746     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4747     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4748     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4749     GADGET_ID_BD_ACID_EATS_ELEMENT,             GADGET_ID_NONE,
4750     &level.bd_acid_eats_element,                1, 1,
4751     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4752   },
4753   {
4754     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4755     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4756     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4757     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,         GADGET_ID_NONE,
4758     &level.bd_acid_turns_to_element,            1, 1,
4759     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4760   },
4761   {
4762     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
4763     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4764     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4765     GADGET_ID_BD_BITER_EATS_ELEMENT,            GADGET_ID_NONE,
4766     &level.bd_biter_eats_element,               1, 1,
4767     "Can eat:", NULL, NULL, NULL,               "Eats this element when moving"
4768   },
4769   {
4770     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
4771     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4772     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4773     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,   GADGET_ID_NONE,
4774     &level.bd_bladder_converts_by_element,      1, 1,
4775     "Turns to clock by touching:", NULL, NULL, NULL, "Turns to clock by touching element"
4776   },
4777   {
4778     ED_DRAWING_ID_BD_NUT_CONTENT,
4779     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4780     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4781     GADGET_ID_BD_NUT_CONTENT,                   GADGET_ID_NONE,
4782     &level.bd_nut_content,                      1, 1,
4783     "When breaking, changes to:", NULL, NULL, NULL, "Element created when breaking nut"
4784   },
4785   {
4786     ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
4787     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4788     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4789     GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE,     GADGET_ID_NONE,
4790     &level.bd_expanding_wall_looks_like,        1, 1,
4791     "Use graphic of element:", NULL, NULL, NULL, "Expanding wall looks like this element"
4792   },
4793   {
4794     ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
4795     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4796     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4797     GADGET_ID_BD_SAND_LOOKS_LIKE,               GADGET_ID_NONE,
4798     &level.bd_sand_looks_like,                  1, 1,
4799     "Use graphic of element:", NULL, NULL, NULL, "Sand looks like this element"
4800   },
4801   {
4802     ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING,
4803     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4804     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4805     GADGET_ID_BD_ROCK_TURNS_TO_ON_FALLING,      GADGET_ID_NONE,
4806     &level.bd_rock_turns_to_on_falling,         1, 1,
4807     "Turns to when falling:", NULL, NULL, NULL, "Changes to this when falling starts"
4808   },
4809   {
4810     ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT,
4811     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4812     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4813     GADGET_ID_BD_ROCK_TURNS_TO_ON_IMPACT,       GADGET_ID_NONE,
4814     &level.bd_rock_turns_to_on_impact,          1, 1,
4815     "Turns to on impact:", NULL, NULL, NULL,    "Changes to this when falling stops"
4816   },
4817   {
4818     ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,
4819     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4820     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4821     GADGET_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,   GADGET_ID_NONE,
4822     &level.bd_diamond_turns_to_on_falling,      1, 1,
4823     "Turns to when falling:", NULL, NULL, NULL, "Changes to this when falling starts"
4824   },
4825   {
4826     ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,
4827     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4828     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4829     GADGET_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,    GADGET_ID_NONE,
4830     &level.bd_diamond_turns_to_on_impact,       1, 1,
4831     "Turns to on impact:", NULL, NULL, NULL,    "Changes to this when falling stops"
4832   },
4833   {
4834     ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO,
4835     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4836     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4837     GADGET_ID_BD_FIREFLY_EXPLODES_TO,           GADGET_ID_NONE,
4838     &level.bd_firefly_explodes_to,              1, 1,
4839     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4840   },
4841   {
4842     ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO,
4843     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4844     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4845     GADGET_ID_BD_FIREFLY_2_EXPLODES_TO,         GADGET_ID_NONE,
4846     &level.bd_firefly_2_explodes_to,            1, 1,
4847     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4848   },
4849   {
4850     ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO,
4851     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4852     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4853     GADGET_ID_BD_BUTTERFLY_EXPLODES_TO,         GADGET_ID_NONE,
4854     &level.bd_butterfly_explodes_to,            1, 1,
4855     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4856   },
4857   {
4858     ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO,
4859     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4860     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4861     GADGET_ID_BD_BUTTERFLY_2_EXPLODES_TO,       GADGET_ID_NONE,
4862     &level.bd_butterfly_2_explodes_to,          1, 1,
4863     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4864   },
4865   {
4866     ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO,
4867     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4868     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4869     GADGET_ID_BD_STONEFLY_EXPLODES_TO,          GADGET_ID_NONE,
4870     &level.bd_stonefly_explodes_to,             1, 1,
4871     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4872   },
4873   {
4874     ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO,
4875     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4876     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4877     GADGET_ID_BD_DRAGONFLY_EXPLODES_TO,         GADGET_ID_NONE,
4878     &level.bd_dragonfly_explodes_to,            1, 1,
4879     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4880   },
4881   {
4882     ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO,
4883     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4884     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4885     GADGET_ID_BD_DIAMOND_BIRTH_TURNS_TO,        GADGET_ID_NONE,
4886     &level.bd_diamond_birth_turns_to,           1, 1,
4887     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
4888   },
4889   {
4890     ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO,
4891     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4892     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4893     GADGET_ID_BD_BOMB_EXPLOSION_TURNS_TO,       GADGET_ID_NONE,
4894     &level.bd_bomb_explosion_turns_to,          1, 1,
4895     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
4896   },
4897   {
4898     ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO,
4899     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4900     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4901     GADGET_ID_BD_NITRO_EXPLOSION_TURNS_TO,      GADGET_ID_NONE,
4902     &level.bd_nitro_explosion_turns_to,         1, 1,
4903     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
4904   },
4905   {
4906     ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO,
4907     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4908     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4909     GADGET_ID_BD_EXPLOSION_TURNS_TO,            GADGET_ID_NONE,
4910     &level.bd_explosion_turns_to,               1, 1,
4911     "Explosion ends in:", NULL, NULL, NULL,     "Changes to this after explosion"
4912   },
4913
4914   // ---------- level start element -------------------------------------------
4915
4916   {
4917     ED_DRAWING_ID_START_ELEMENT,
4918     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(10),
4919     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4920     GADGET_ID_START_ELEMENT,                    GADGET_ID_USE_START_ELEMENT,
4921     &level.start_element[0],                    1, 1,
4922     NULL, NULL, NULL, NULL,                     "Level start element"
4923   },
4924
4925   // ---------- player artwork element ----------------------------------------
4926
4927   {
4928     ED_DRAWING_ID_ARTWORK_ELEMENT,
4929     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(11),
4930     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4931     GADGET_ID_ARTWORK_ELEMENT,                  GADGET_ID_USE_ARTWORK_ELEMENT,
4932     &level.artwork_element[0],                  1, 1,
4933     NULL, NULL, NULL, NULL,                     "Element for player artwork"
4934   },
4935
4936   // ---------- player explosion element --------------------------------------
4937
4938   {
4939     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4940     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(12),
4941     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4942     GADGET_ID_EXPLOSION_ELEMENT,                GADGET_ID_USE_EXPLOSION_ELEMENT,
4943     &level.explosion_element[0],                1, 1,
4944     NULL, NULL, NULL, NULL,                     "Element for player explosion"
4945   },
4946
4947   // ---------- player initial inventory --------------------------------------
4948
4949   {
4950     ED_DRAWING_ID_INVENTORY_CONTENT,
4951     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4952     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4953     GADGET_ID_INVENTORY_CONTENT,                GADGET_ID_USE_INITIAL_INVENTORY,
4954     &level.initial_inventory_content[0][0],     MAX_INITIAL_INVENTORY_SIZE, 1,
4955     NULL, NULL, NULL, NULL,                     "Content for initial inventory"
4956   },
4957
4958   // ---------- gray ball content -----------------------------------------
4959
4960   {
4961     ED_DRAWING_ID_MM_BALL_CONTENT,
4962     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4963     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4964     GADGET_ID_MM_BALL_CONTENT,                  GADGET_ID_NONE,
4965     &level.mm_ball_content[0],                  MAX_MM_BALL_CONTENTS, 1,
4966     "Content:", NULL, NULL, NULL,               "Content for gray ball"
4967   },
4968
4969   // ---------- element settings: configure 1 (custom elements) ---------------
4970
4971   // ---------- custom graphic ------------------------------------------------
4972
4973   {
4974     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4975     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4976     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4977     GADGET_ID_CUSTOM_GRAPHIC,                   GADGET_ID_CUSTOM_USE_GRAPHIC,
4978     &custom_element.gfx_element_initial,        1, 1,
4979     NULL, NULL, NULL, NULL,                     "Custom graphic element"
4980   },
4981
4982   // ---------- element settings: configure 2 (custom elements) ---------------
4983
4984   // ---------- custom content (when exploding) -------------------------------
4985
4986   {
4987     ED_DRAWING_ID_CUSTOM_CONTENT,
4988     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(11),
4989     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
4990     GADGET_ID_CUSTOM_CONTENT,                   GADGET_ID_NONE,         // align three rows
4991     &custom_element.content.e[0][0],            3, 3,
4992     "Content:", NULL, NULL, NULL,               NULL
4993   },
4994
4995   // ---------- custom enter and leave element (when moving) ------------------
4996
4997   {
4998     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4999     ED_AREA_1X1_SETTINGS_XPOS(1),               ED_AREA_1X1_SETTINGS_YPOS(3),
5000     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5001     GADGET_ID_CUSTOM_MOVE_ENTER,                GADGET_ID_NONE,
5002     &custom_element.move_enter_element,         1, 1,
5003     "Can dig:", " ", NULL, NULL,                "Element that can be digged/collected"
5004   },
5005   {
5006     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
5007     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(3),
5008     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5009     GADGET_ID_CUSTOM_MOVE_LEAVE,                GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
5010     &custom_element.move_leave_element,         1, 1,
5011     NULL, NULL, NULL, NULL,                     "Element that will be left behind"
5012   },
5013
5014   // ---------- element settings: advanced (custom elements) ------------------
5015
5016   // ---------- custom change target ------------------------------------------
5017
5018   {
5019     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
5020     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
5021     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5022     GADGET_ID_CUSTOM_CHANGE_TARGET,             GADGET_ID_CUSTOM_CAN_CHANGE,
5023     &custom_element_change.target_element,      1, 1,
5024     NULL, "after/when:", NULL, NULL,            "New target element after change"
5025   },
5026
5027   // ---------- custom change content (extended change target) ----------------
5028
5029   {
5030     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
5031     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(9),
5032     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
5033     GADGET_ID_CUSTOM_CHANGE_CONTENT,            GADGET_ID_NONE,         // align three rows
5034     &custom_element_change.target_content.e[0][0], 3, 3,
5035     NULL, NULL, NULL, NULL,                     "New extended elements after change"
5036   },
5037
5038   // ---------- custom change trigger (element causing change) ----------------
5039
5040   {
5041     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
5042     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(5),
5043     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5044     GADGET_ID_CUSTOM_CHANGE_TRIGGER,            GADGET_ID_CHANGE_OTHER_ACTION,
5045     &custom_element_change.initial_trigger_element, 1, 1,
5046     NULL, NULL, NULL, NULL,                     "Other element triggering change"
5047   },
5048
5049   // ---------- custom change action (element used for action) ----------------
5050
5051   {
5052     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
5053     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(13),
5054     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
5055     GADGET_ID_CUSTOM_CHANGE_ACTION,             GADGET_ID_ACTION_ARG,
5056     &custom_element_change.action_element,      1, 1,
5057     NULL, NULL, NULL, NULL,                     "Element used as action parameter"
5058   },
5059
5060   // ---------- group element content -----------------------------------------
5061
5062   {
5063     ED_DRAWING_ID_GROUP_CONTENT,
5064     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
5065     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
5066     GADGET_ID_GROUP_CONTENT,                    GADGET_ID_NONE,
5067     &group_element_info.element[0],             MAX_ELEMENTS_IN_GROUP, 1,
5068     "Content:", NULL, NULL, NULL,               NULL
5069   },
5070
5071   // ---------- random background (for random painting) -----------------------
5072
5073   {
5074     ED_DRAWING_ID_RANDOM_BACKGROUND,
5075     -1,                                         ED_AREA_1X1_LSETTINGS_YPOS(1),
5076     0,                                          ED_AREA_1X1_LSETTINGS_YOFF,
5077     GADGET_ID_RANDOM_BACKGROUND,                GADGET_ID_RANDOM_RESTRICTED,
5078     &random_placement_background_element,       1, 1,
5079     NULL, NULL, NULL, NULL,                     "Random placement background"
5080   },
5081 };
5082
5083
5084 // ----------------------------------------------------------------------------
5085 // some internally used variables
5086 // ----------------------------------------------------------------------------
5087
5088 // maximal size of level editor drawing area
5089 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
5090
5091 // actual size of level editor drawing area
5092 static int ed_fieldx, ed_fieldy;
5093
5094 // actual position of level editor drawing area in level playfield
5095 static int level_xpos = -1, level_ypos = -1;
5096
5097 // actual tile size used to display playfield drawing area
5098 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
5099 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
5100
5101 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
5102
5103 // drawing elements on the three mouse buttons
5104 static int new_element1 = EL_WALL;
5105 static int new_element2 = EL_EMPTY;
5106 static int new_element3 = EL_SAND;
5107
5108 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
5109 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
5110                                 (button) == 2 ? new_element2 : \
5111                                 (button) == 3 ? new_element3 : EL_EMPTY)
5112
5113 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
5114
5115 static int use_permanent_palette = TRUE;
5116
5117 #define PX              (use_permanent_palette ? DX : SX)
5118 #define PY              (use_permanent_palette ? DY : SY)
5119 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
5120 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
5121
5122 // forward declaration for internal use
5123 static void CopyBrushToCursor(int, int);
5124 static void DeleteBrushFromCursor(void);
5125 static void ModifyEditorCounterValue(int, int);
5126 static void ModifyEditorCounterLimits(int, int, int);
5127 static void ModifyEditorSelectboxValue(int, int);
5128 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
5129 static void ModifyEditorDrawingArea(int, int, int);
5130 static void ModifyEditorElementList(void);
5131 static void AdjustElementListScrollbar(void);
5132 static void RedrawDrawingElements(void);
5133 static void DrawDrawingWindowExt(boolean);
5134 static void DrawDrawingWindow(void);
5135 static void DrawLevelConfigWindow(void);
5136 static void DrawPropertiesWindow(void);
5137 static void DrawPaletteWindow(void);
5138 static void UpdateCustomElementGraphicGadgets(void);
5139 static boolean checkPropertiesConfig(int);
5140 static void SetAutomaticNumberOfGemsNeeded(void);
5141 static void ClearEditorGadgetInfoText(void);
5142 static void CopyLevelToUndoBuffer(int);
5143 static void HandleDrawingAreas(struct GadgetInfo *);
5144 static void HandleCounterButtons(struct GadgetInfo *);
5145 static void HandleTextInputGadgets(struct GadgetInfo *);
5146 static void HandleTextAreaGadgets(struct GadgetInfo *);
5147 static void HandleSelectboxGadgets(struct GadgetInfo *);
5148 static void HandleTextbuttonGadgets(struct GadgetInfo *);
5149 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
5150 static void HandleRadiobuttons(struct GadgetInfo *);
5151 static void HandleCheckbuttons(struct GadgetInfo *);
5152 static void HandleControlButtons(struct GadgetInfo *);
5153 static void HandleDrawingAreaInfo(struct GadgetInfo *);
5154 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
5155 static boolean AskToCopyAndModifyLevelTemplate(void);
5156 static boolean getDrawModeHiRes(void);
5157 static int getTabulatorBarWidth(void);
5158 static int getTabulatorBarHeight(void);
5159 static Pixel getTabulatorBarColor(void);
5160 static void getEditorGraphicAndFrame(int, int *, int *, boolean);
5161 static int numHiresTiles(int);
5162
5163 static int num_editor_gadgets = 0;      // dynamically determined
5164
5165 static struct GadgetInfo **level_editor_gadget = NULL;
5166 static int *right_gadget_border = NULL;
5167
5168 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
5169 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
5170 static boolean draw_with_brush = FALSE;
5171 static int properties_element = 0;
5172
5173 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5174 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5175 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5176 static int undo_buffer_position = 0;
5177 static int undo_buffer_steps = 0;
5178 static int redo_buffer_steps = 0;
5179
5180 static int edit_mode;
5181 static int edit_mode_levelconfig;
5182 static int edit_mode_engineconfig;
5183 static int edit_mode_properties;
5184
5185 static int element_shift = 0;
5186
5187 static int editor_el_players[] =
5188 {
5189   EL_PLAYER_1,
5190   EL_PLAYER_2,
5191   EL_PLAYER_3,
5192   EL_PLAYER_4
5193 };
5194 static int *editor_el_players_ptr = editor_el_players;
5195 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
5196
5197 static int editor_hl_boulderdash[] =
5198 {
5199   EL_INTERNAL_CASCADE_BD_ACTIVE,
5200   EL_CHAR('B'),
5201   EL_CHAR('D'),
5202   EL_EMPTY,
5203 };
5204
5205 static int editor_el_boulderdash[] =
5206 {
5207   EL_EMPTY,
5208   EL_SAND,
5209   EL_BD_ROCK,
5210   EL_BD_DIAMOND,
5211
5212   EL_STEELWALL,
5213   EL_BD_WALL,
5214   EL_BD_EXPANDABLE_WALL,
5215   EL_BD_MAGIC_WALL,
5216
5217   EL_BD_AMOEBA,
5218   EL_BD_BUTTERFLY_UP,
5219   EL_BD_FIREFLY_UP,
5220   EL_EXIT_CLOSED,
5221
5222   EL_BD_BUTTERFLY_LEFT,
5223   EL_BD_FIREFLY_LEFT,
5224   EL_BD_BUTTERFLY_RIGHT,
5225   EL_BD_FIREFLY_RIGHT,
5226
5227   EL_EMPTY,
5228   EL_BD_BUTTERFLY_DOWN,
5229   EL_BD_FIREFLY_DOWN,
5230   EL_EXIT_OPEN,
5231 };
5232 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
5233 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
5234 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
5235 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
5236
5237 static int editor_hl_boulderdash_native[] =
5238 {
5239   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
5240   EL_CHAR('B'),
5241   EL_CHAR('D'),
5242   EL_EMPTY,
5243 };
5244
5245 static int editor_el_boulderdash_native[] =
5246 {
5247   EL_EMPTY,
5248   EL_BD_SAND,
5249   EL_BD_ROCK,
5250   EL_BD_DIAMOND,
5251
5252   EL_BD_INBOX,
5253   EL_BD_STEELWALL,
5254   EL_BD_WALL,
5255   EL_BD_MAGIC_WALL,
5256
5257   EL_BD_AMOEBA,
5258   EL_BD_BUTTERFLY_UP,
5259   EL_BD_FIREFLY_UP,
5260   EL_BD_EXIT_CLOSED,
5261
5262   EL_BD_BUTTERFLY_LEFT,
5263   EL_BD_FIREFLY_LEFT,
5264   EL_BD_BUTTERFLY_RIGHT,
5265   EL_BD_FIREFLY_RIGHT,
5266
5267   EL_BD_SAND_2,
5268   EL_BD_BUTTERFLY_DOWN,
5269   EL_BD_FIREFLY_DOWN,
5270   EL_BD_EXIT_OPEN,
5271
5272   EL_BD_AMOEBA_2,
5273   EL_BD_BUTTERFLY_2_UP,
5274   EL_BD_FIREFLY_2_UP,
5275   EL_BD_SLIME,
5276
5277   EL_BD_BUTTERFLY_2_LEFT,
5278   EL_BD_FIREFLY_2_LEFT,
5279   EL_BD_BUTTERFLY_2_RIGHT,
5280   EL_BD_FIREFLY_2_RIGHT,
5281
5282   EL_BD_BOMB,
5283   EL_BD_BUTTERFLY_2_DOWN,
5284   EL_BD_FIREFLY_2_DOWN,
5285   EL_BD_FLYING_DIAMOND,
5286
5287   EL_BD_NITRO_PACK,
5288   EL_BD_DRAGONFLY_UP,
5289   EL_BD_STONEFLY_UP,
5290   EL_BD_DIAMOND_GLUED,
5291
5292   EL_BD_DRAGONFLY_LEFT,
5293   EL_BD_STONEFLY_LEFT,
5294   EL_BD_DRAGONFLY_RIGHT,
5295   EL_BD_STONEFLY_RIGHT,
5296
5297   EL_BD_NUT,
5298   EL_BD_DRAGONFLY_DOWN,
5299   EL_BD_STONEFLY_DOWN,
5300   EL_EMPTY,
5301
5302   EL_BD_BITER_SWITCH_1,
5303   EL_BD_BITER_UP,
5304   EL_BD_COW_UP,
5305   EL_EMPTY,
5306
5307   EL_BD_BITER_LEFT,
5308   EL_BD_COW_LEFT,
5309   EL_BD_BITER_RIGHT,
5310   EL_BD_COW_RIGHT,
5311
5312   EL_BD_VOODOO_DOLL,
5313   EL_BD_BITER_DOWN,
5314   EL_BD_COW_DOWN,
5315   EL_BD_GHOST,
5316
5317   EL_BD_SAND_GLUED,
5318   EL_BD_SAND_BALL,
5319   EL_BD_SAND_LOOSE,
5320   EL_BD_WALL_NON_SLOPED,
5321
5322   EL_BD_SAND_SLOPED_UP_LEFT,
5323   EL_BD_SAND_SLOPED_UP_RIGHT,
5324   EL_BD_WALL_SLOPED_UP_LEFT,
5325   EL_BD_WALL_SLOPED_UP_RIGHT,
5326
5327   EL_BD_SAND_SLOPED_DOWN_LEFT,
5328   EL_BD_SAND_SLOPED_DOWN_RIGHT,
5329   EL_BD_WALL_SLOPED_DOWN_LEFT,
5330   EL_BD_WALL_SLOPED_DOWN_RIGHT,
5331
5332   EL_BD_FLYING_ROCK,
5333   EL_BD_ROCK_GLUED,
5334   EL_BD_STEELWALL_SLOPED_UP_LEFT,
5335   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
5336
5337   EL_BD_WAITING_ROCK,
5338   EL_BD_CHASING_ROCK,
5339   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
5340   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
5341
5342   EL_BD_MEGA_ROCK,
5343   EL_BD_SWEET,
5344   EL_BD_INVISIBLE_EXIT_CLOSED,
5345   EL_BD_INVISIBLE_EXIT_OPEN,
5346
5347   EL_BD_STEELWALL_EXPLODABLE,
5348   EL_BD_STEELWALL_DIGGABLE,
5349   EL_BD_WALL_DIGGABLE,
5350   EL_BD_FALLING_WALL,
5351
5352   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
5353   EL_BD_EXPANDABLE_WALL_VERTICAL,
5354   EL_BD_EXPANDABLE_WALL_ANY,
5355   EL_BD_EXPANDABLE_WALL_SWITCH,
5356
5357   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
5358   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
5359   EL_BD_EXPANDABLE_STEELWALL_ANY,
5360   EL_BD_CREATURE_SWITCH,
5361
5362   EL_BD_BLADDER,
5363   EL_BD_BLADDER_SPENDER,
5364   EL_BD_REPLICATOR,
5365   EL_BD_REPLICATOR_SWITCH,
5366
5367   EL_BD_CONVEYOR_LEFT,
5368   EL_BD_CONVEYOR_RIGHT,
5369   EL_BD_CONVEYOR_SWITCH,
5370   EL_BD_CONVEYOR_DIR_SWITCH,
5371
5372   EL_BD_CLOCK,
5373   EL_BD_TIME_PENALTY,
5374   EL_BD_GRAVESTONE,
5375   EL_BD_SKELETON,
5376
5377   EL_BD_WATER,
5378   EL_BD_ACID,
5379   EL_BD_LAVA,
5380   EL_BD_BOX,
5381
5382   EL_BD_GATE_1,
5383   EL_BD_GATE_2,
5384   EL_BD_GATE_3,
5385   EL_BD_TRAPPED_DIAMOND,
5386
5387   EL_BD_KEY_1,
5388   EL_BD_KEY_2,
5389   EL_BD_KEY_3,
5390   EL_BD_DIAMOND_KEY,
5391
5392   EL_BD_WALL_KEY_1,
5393   EL_BD_WALL_KEY_2,
5394   EL_BD_WALL_KEY_3,
5395   EL_BD_WALL_DIAMOND,
5396
5397   EL_BD_POT,
5398   EL_BD_GRAVITY_SWITCH,
5399   EL_BD_PNEUMATIC_HAMMER,
5400   EL_BD_TELEPORTER,
5401
5402   EL_BD_PLAYER,
5403   EL_BD_PLAYER_WITH_BOMB,
5404   EL_BD_PLAYER_WITH_ROCKET_LAUNCHER,
5405   EL_BD_ROCKET_LAUNCHER,
5406
5407   EL_BD_PLAYER_GLUED,
5408   EL_BD_PLAYER_STIRRING,
5409   EL_EMPTY,
5410   EL_EMPTY,
5411 };
5412 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
5413 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
5414 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
5415 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
5416
5417 static int editor_hl_boulderdash_effects[] =
5418 {
5419   EL_INTERNAL_CASCADE_BD_EFFECTS_ACTIVE,
5420   EL_CHAR('B'),
5421   EL_CHAR('D'),
5422   EL_CHAR('E'),
5423 };
5424
5425 static int editor_el_boulderdash_effects[] =
5426 {
5427   EL_BD_DIAMOND_FALLING,
5428   EL_BD_ROCK_FALLING,
5429   EL_BD_MEGA_ROCK_FALLING,
5430   EL_BD_FLYING_DIAMOND_FLYING,
5431
5432   EL_BD_FALLING_WALL_FALLING,
5433   EL_BD_NITRO_PACK_FALLING,
5434   EL_BD_NUT_FALLING,
5435   EL_BD_FLYING_ROCK_FLYING,
5436
5437   EL_BD_PLAYER_GROWING_1,
5438   EL_BD_PLAYER_GROWING_2,
5439   EL_BD_PLAYER_GROWING_3,
5440   EL_BD_PLAYER,
5441
5442   EL_BD_PLAYER_WITH_BOMB,
5443   EL_BD_PLAYER_STIRRING,
5444   EL_BD_EXIT_OPEN,
5445   EL_BD_INVISIBLE_EXIT_OPEN,
5446
5447   EL_BD_BLADDER_1,
5448   EL_BD_BLADDER_2,
5449   EL_BD_BLADDER_3,
5450   EL_BD_BLADDER_4,
5451
5452   EL_BD_BLADDER_5,
5453   EL_BD_BLADDER_6,
5454   EL_BD_BLADDER_7,
5455   EL_BD_BLADDER_8,
5456
5457   EL_BD_SAND_2,
5458   EL_BD_COW_ENCLOSED_1,
5459   EL_BD_COW_ENCLOSED_2,
5460   EL_BD_COW_ENCLOSED_3,
5461
5462   EL_BD_COW_ENCLOSED_4,
5463   EL_BD_COW_ENCLOSED_5,
5464   EL_BD_COW_ENCLOSED_6,
5465   EL_BD_COW_ENCLOSED_7,
5466
5467   EL_BD_WATER_1,
5468   EL_BD_WATER_2,
5469   EL_BD_WATER_3,
5470   EL_BD_WATER_4,
5471
5472   EL_BD_WATER_5,
5473   EL_BD_WATER_6,
5474   EL_BD_WATER_7,
5475   EL_BD_WATER_8,
5476
5477   EL_BD_WATER_9,
5478   EL_BD_WATER_10,
5479   EL_BD_WATER_11,
5480   EL_BD_WATER_12,
5481
5482   EL_BD_WATER_13,
5483   EL_BD_WATER_14,
5484   EL_BD_WATER_15,
5485   EL_BD_WATER_16,
5486
5487   EL_BD_BOMB_TICKING_1,
5488   EL_BD_BOMB_TICKING_2,
5489   EL_BD_BOMB_TICKING_3,
5490   EL_BD_BOMB_TICKING_4,
5491
5492   EL_BD_BOMB_TICKING_5,
5493   EL_BD_BOMB_TICKING_6,
5494   EL_BD_BOMB_TICKING_7,
5495   EL_EMPTY,
5496
5497   EL_BD_BOMB_EXPLODING_1,
5498   EL_BD_BOMB_EXPLODING_2,
5499   EL_BD_BOMB_EXPLODING_3,
5500   EL_BD_BOMB_EXPLODING_4,
5501
5502   EL_BD_NUT_BREAKING_1,
5503   EL_BD_NUT_BREAKING_2,
5504   EL_BD_NUT_BREAKING_3,
5505   EL_BD_NUT_BREAKING_4,
5506
5507   EL_BD_EXPLODING_1,
5508   EL_BD_EXPLODING_2,
5509   EL_BD_EXPLODING_3,
5510   EL_BD_EXPLODING_4,
5511
5512   EL_BD_EXPLODING_5,
5513   EL_BD_TIME_PENALTY,
5514   EL_BD_DIAMOND_GROWING_1,
5515   EL_BD_DIAMOND_GROWING_2,
5516
5517   EL_BD_DIAMOND_GROWING_3,
5518   EL_BD_DIAMOND_GROWING_4,
5519   EL_BD_DIAMOND_GROWING_5,
5520   EL_BD_NITRO_PACK_EXPLODING,
5521
5522   EL_BD_NITRO_PACK_EXPLODING_1,
5523   EL_BD_NITRO_PACK_EXPLODING_2,
5524   EL_BD_NITRO_PACK_EXPLODING_3,
5525   EL_BD_NITRO_PACK_EXPLODING_4,
5526
5527   EL_BD_ROCK_GROWING_1,
5528   EL_BD_ROCK_GROWING_2,
5529   EL_BD_ROCK_GROWING_3,
5530   EL_BD_ROCK_GROWING_4,
5531
5532   EL_BD_STEELWALL_GROWING_1,
5533   EL_BD_STEELWALL_GROWING_2,
5534   EL_BD_STEELWALL_GROWING_3,
5535   EL_BD_STEELWALL_GROWING_4,
5536
5537   EL_BD_CLOCK_GROWING_1,
5538   EL_BD_CLOCK_GROWING_2,
5539   EL_BD_CLOCK_GROWING_3,
5540   EL_BD_CLOCK_GROWING_4,
5541
5542   EL_BD_GHOST_EXPLODING_1,
5543   EL_BD_GHOST_EXPLODING_2,
5544   EL_BD_GHOST_EXPLODING_3,
5545   EL_BD_GHOST_EXPLODING_4,
5546 };
5547 static int *editor_hl_boulderdash_effects_ptr = editor_hl_boulderdash_effects;
5548 static int *editor_el_boulderdash_effects_ptr = editor_el_boulderdash_effects;
5549 static int num_editor_hl_boulderdash_effects = ARRAY_SIZE(editor_hl_boulderdash_effects);
5550 static int num_editor_el_boulderdash_effects = ARRAY_SIZE(editor_el_boulderdash_effects);
5551
5552 static int editor_hl_emerald_mine[] =
5553 {
5554   EL_INTERNAL_CASCADE_EM_ACTIVE,
5555   EL_CHAR('E'),
5556   EL_CHAR('M'),
5557   EL_EMPTY,
5558 };
5559
5560 static int editor_el_emerald_mine[] =
5561 {
5562   EL_SAND,
5563   EL_ROCK,
5564   EL_QUICKSAND_EMPTY,
5565   EL_QUICKSAND_FULL,
5566
5567   EL_STEELWALL,
5568   EL_WALL,
5569   EL_WALL_SLIPPERY,
5570   EL_MAGIC_WALL,
5571
5572   EL_EMERALD,
5573   EL_DIAMOND,
5574   EL_NUT,
5575   EL_BOMB,
5576
5577   EL_EM_DYNAMITE,
5578   EL_EM_DYNAMITE_ACTIVE,
5579   EL_EM_EXIT_CLOSED,
5580   EL_EM_EXIT_OPEN,
5581
5582   EL_YAMYAM_UP,
5583   EL_BUG_UP,
5584   EL_SPACESHIP_UP,
5585   EL_ROBOT,
5586
5587   EL_BUG_LEFT,
5588   EL_SPACESHIP_LEFT,
5589   EL_BUG_RIGHT,
5590   EL_SPACESHIP_RIGHT,
5591
5592   EL_ROBOT_WHEEL,
5593   EL_BUG_DOWN,
5594   EL_SPACESHIP_DOWN,
5595   EL_INVISIBLE_WALL,
5596
5597   EL_ACID_POOL_TOPLEFT,
5598   EL_ACID,
5599   EL_ACID_POOL_TOPRIGHT,
5600   EL_AMOEBA_DROP,
5601
5602   EL_ACID_POOL_BOTTOMLEFT,
5603   EL_ACID_POOL_BOTTOM,
5604   EL_ACID_POOL_BOTTOMRIGHT,
5605   EL_AMOEBA_WET,
5606
5607   EL_EM_KEY_1,
5608   EL_EM_KEY_2,
5609   EL_EM_KEY_3,
5610   EL_EM_KEY_4,
5611
5612   EL_EM_GATE_1,
5613   EL_EM_GATE_2,
5614   EL_EM_GATE_3,
5615   EL_EM_GATE_4,
5616
5617   EL_EM_GATE_1_GRAY,
5618   EL_EM_GATE_2_GRAY,
5619   EL_EM_GATE_3_GRAY,
5620   EL_EM_GATE_4_GRAY,
5621 };
5622 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
5623 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
5624 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
5625 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
5626
5627 static int editor_hl_emerald_mine_club[] =
5628 {
5629   EL_INTERNAL_CASCADE_EMC_ACTIVE,
5630   EL_CHAR('E'),
5631   EL_CHAR('M'),
5632   EL_CHAR('C'),
5633 };
5634
5635 static int editor_el_emerald_mine_club[] =
5636 {
5637   EL_EMC_KEY_5,
5638   EL_EMC_KEY_6,
5639   EL_EMC_KEY_7,
5640   EL_EMC_KEY_8,
5641
5642   EL_EMC_GATE_5,
5643   EL_EMC_GATE_6,
5644   EL_EMC_GATE_7,
5645   EL_EMC_GATE_8,
5646
5647   EL_EMC_GATE_5_GRAY,
5648   EL_EMC_GATE_6_GRAY,
5649   EL_EMC_GATE_7_GRAY,
5650   EL_EMC_GATE_8_GRAY,
5651
5652   EL_EMC_STEELWALL_1,
5653   EL_EMC_STEELWALL_2,
5654   EL_EMC_STEELWALL_3,
5655   EL_EMC_STEELWALL_4,
5656
5657   EL_EMC_WALL_13,
5658   EL_EMC_WALL_14,
5659   EL_EMC_WALL_15,
5660   EL_EMC_WALL_16,
5661
5662   EL_EMC_WALL_SLIPPERY_1,
5663   EL_EMC_WALL_SLIPPERY_2,
5664   EL_EMC_WALL_SLIPPERY_3,
5665   EL_EMC_WALL_SLIPPERY_4,
5666
5667   EL_EMC_WALL_1,
5668   EL_EMC_WALL_2,
5669   EL_EMC_WALL_3,
5670   EL_EMC_WALL_4,
5671
5672   EL_EMC_WALL_5,
5673   EL_EMC_WALL_6,
5674   EL_EMC_WALL_7,
5675   EL_EMC_WALL_8,
5676
5677   EL_EMC_WALL_9,
5678   EL_EMC_WALL_10,
5679   EL_EMC_WALL_11,
5680   EL_EMC_WALL_12,
5681
5682   EL_EMC_GRASS,
5683   EL_EMC_FAKE_GRASS,
5684   EL_EMC_PLANT,
5685   EL_EMC_DRIPPER,
5686
5687   EL_EMC_MAGIC_BALL,
5688   EL_EMC_MAGIC_BALL_SWITCH,
5689   EL_EMC_LENSES,
5690   EL_EMC_MAGNIFIER,
5691
5692   EL_SPRING_LEFT,
5693   EL_SPRING,
5694   EL_SPRING_RIGHT,
5695   EL_EMC_SPRING_BUMPER,
5696
5697   EL_BALLOON,
5698   EL_YAMYAM_UP,
5699   EL_BALLOON_SWITCH_UP,
5700   EL_BALLOON_SWITCH_ANY,
5701
5702   EL_YAMYAM_LEFT,
5703   EL_BALLOON_SWITCH_LEFT,
5704   EL_YAMYAM_RIGHT,
5705   EL_BALLOON_SWITCH_RIGHT,
5706
5707   EL_EMC_ANDROID,
5708   EL_YAMYAM_DOWN,
5709   EL_BALLOON_SWITCH_DOWN,
5710   EL_BALLOON_SWITCH_NONE,
5711 };
5712 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5713 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5714 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5715 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5716
5717 static int editor_hl_rnd[] =
5718 {
5719   EL_INTERNAL_CASCADE_RND_ACTIVE,
5720   EL_CHAR('R'),
5721   EL_CHAR('N'),
5722   EL_CHAR('D'),
5723 };
5724
5725 static int editor_el_rnd[] =
5726 {
5727   EL_DYNAMITE,                  // RND
5728   EL_DYNAMITE_ACTIVE,           // RND
5729   EL_EMPTY,
5730   EL_EMPTY,
5731
5732   EL_KEY_1,
5733   EL_KEY_2,
5734   EL_KEY_3,
5735   EL_KEY_4,
5736
5737   EL_GATE_1,
5738   EL_GATE_2,
5739   EL_GATE_3,
5740   EL_GATE_4,
5741
5742   EL_GATE_1_GRAY,
5743   EL_GATE_2_GRAY,
5744   EL_GATE_3_GRAY,
5745   EL_GATE_4_GRAY,
5746
5747   EL_ARROW_LEFT,
5748   EL_ARROW_RIGHT,
5749   EL_ARROW_UP,
5750   EL_ARROW_DOWN,
5751
5752   EL_AMOEBA_DEAD,
5753   EL_AMOEBA_DRY,
5754   EL_AMOEBA_FULL,
5755   EL_GAME_OF_LIFE,
5756
5757   EL_EMERALD_YELLOW,
5758   EL_EMERALD_RED,
5759   EL_EMERALD_PURPLE,
5760   EL_BIOMAZE,
5761
5762   EL_WALL_EMERALD_YELLOW,
5763   EL_WALL_EMERALD_RED,
5764   EL_WALL_EMERALD_PURPLE,
5765   EL_WALL_BD_DIAMOND,
5766
5767   EL_SPEED_PILL,
5768   EL_PACMAN_UP,
5769   EL_TIME_ORB_FULL,
5770   EL_TIME_ORB_EMPTY,
5771
5772   EL_PACMAN_LEFT,
5773   EL_DARK_YAMYAM,
5774   EL_PACMAN_RIGHT,
5775   EL_YAMYAM,                    // RND
5776
5777   EL_BLACK_ORB,
5778   EL_PACMAN_DOWN,
5779   EL_LAMP,
5780   EL_LAMP_ACTIVE,
5781
5782   EL_DYNABOMB_INCREASE_NUMBER,
5783   EL_DYNABOMB_INCREASE_SIZE,
5784   EL_DYNABOMB_INCREASE_POWER,
5785   EL_STONEBLOCK,
5786
5787   EL_MOLE,
5788   EL_PENGUIN,
5789   EL_PIG,
5790   EL_DRAGON,
5791
5792   EL_BUG,
5793   EL_MOLE_UP,
5794   EL_BD_BUTTERFLY,
5795   EL_BD_FIREFLY,
5796
5797   EL_MOLE_LEFT,
5798   EL_SATELLITE,
5799   EL_MOLE_RIGHT,
5800   EL_PACMAN,
5801
5802   EL_SPACESHIP,
5803   EL_MOLE_DOWN,
5804   EL_INVISIBLE_STEELWALL,
5805   EL_INVISIBLE_WALL,
5806
5807   EL_EXPANDABLE_WALL,
5808   EL_EXPANDABLE_WALL_HORIZONTAL,
5809   EL_EXPANDABLE_WALL_VERTICAL,
5810   EL_EXPANDABLE_WALL_ANY,
5811 };
5812 static int *editor_hl_rnd_ptr = editor_hl_rnd;
5813 static int *editor_el_rnd_ptr = editor_el_rnd;
5814 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
5815 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
5816
5817 static int editor_hl_sokoban[] =
5818 {
5819   EL_INTERNAL_CASCADE_SB_ACTIVE,
5820   EL_CHAR('S'),
5821   EL_CHAR('B'),
5822   EL_EMPTY,
5823 };
5824
5825 static int editor_el_sokoban[] =
5826 {
5827   EL_SOKOBAN_OBJECT,
5828   EL_SOKOBAN_FIELD_EMPTY,
5829   EL_SOKOBAN_FIELD_FULL,
5830   EL_SOKOBAN_FIELD_PLAYER,
5831 };
5832 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
5833 static int *editor_el_sokoban_ptr = editor_el_sokoban;
5834 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
5835 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
5836
5837 static int editor_hl_supaplex[] =
5838 {
5839   EL_INTERNAL_CASCADE_SP_ACTIVE,
5840   EL_CHAR('S'),
5841   EL_CHAR('P'),
5842   EL_EMPTY,
5843 };
5844
5845 static int editor_el_supaplex[] =
5846 {
5847   EL_SP_MURPHY,
5848   EL_EMPTY,
5849   EL_SP_BASE,
5850   EL_SP_BUGGY_BASE,
5851
5852   EL_SP_INFOTRON,
5853   EL_SP_ZONK,
5854   EL_SP_SNIKSNAK,
5855   EL_SP_ELECTRON,
5856
5857   EL_SP_DISK_RED,
5858   EL_SP_DISK_ORANGE,
5859   EL_SP_DISK_YELLOW,
5860   EL_SP_TERMINAL,
5861
5862   EL_SP_EXIT_CLOSED,
5863   EL_SP_PORT_HORIZONTAL,
5864   EL_SP_PORT_VERTICAL,
5865   EL_SP_PORT_ANY,
5866
5867   EL_SP_PORT_LEFT,
5868   EL_SP_PORT_RIGHT,
5869   EL_SP_PORT_UP,
5870   EL_SP_PORT_DOWN,
5871
5872   EL_SP_GRAVITY_PORT_LEFT,
5873   EL_SP_GRAVITY_PORT_RIGHT,
5874   EL_SP_GRAVITY_PORT_UP,
5875   EL_SP_GRAVITY_PORT_DOWN,
5876
5877   EL_SP_GRAVITY_ON_PORT_LEFT,
5878   EL_SP_GRAVITY_ON_PORT_RIGHT,
5879   EL_SP_GRAVITY_ON_PORT_UP,
5880   EL_SP_GRAVITY_ON_PORT_DOWN,
5881
5882   EL_SP_GRAVITY_OFF_PORT_LEFT,
5883   EL_SP_GRAVITY_OFF_PORT_RIGHT,
5884   EL_SP_GRAVITY_OFF_PORT_UP,
5885   EL_SP_GRAVITY_OFF_PORT_DOWN,
5886
5887   EL_SP_HARDWARE_GRAY,
5888   EL_SP_HARDWARE_GREEN,
5889   EL_SP_HARDWARE_BLUE,
5890   EL_SP_HARDWARE_RED,
5891
5892   EL_SP_HARDWARE_BASE_1,
5893   EL_SP_HARDWARE_BASE_2,
5894   EL_SP_HARDWARE_BASE_3,
5895   EL_SP_HARDWARE_BASE_4,
5896
5897   EL_SP_HARDWARE_BASE_5,
5898   EL_SP_HARDWARE_BASE_6,
5899   EL_SP_HARDWARE_YELLOW,
5900   EL_SP_CHIP_TOP,
5901
5902   EL_SP_CHIP_SINGLE,
5903   EL_SP_CHIP_LEFT,
5904   EL_SP_CHIP_RIGHT,
5905   EL_SP_CHIP_BOTTOM,
5906 };
5907 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
5908 static int *editor_el_supaplex_ptr = editor_el_supaplex;
5909 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
5910 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
5911
5912 static int editor_hl_diamond_caves[] =
5913 {
5914   EL_INTERNAL_CASCADE_DC_ACTIVE,
5915   EL_CHAR('D'),
5916   EL_CHAR('C'),
5917   EL_CHAR('2'),
5918 };
5919
5920 static int editor_el_diamond_caves[] =
5921 {
5922   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5923   EL_EM_STEEL_EXIT_OPEN,        // DC2
5924   EL_WALL_EMERALD,              // DC2
5925   EL_WALL_DIAMOND,              // DC2
5926
5927   EL_PEARL,
5928   EL_CRYSTAL,
5929   EL_WALL_PEARL,
5930   EL_WALL_CRYSTAL,
5931
5932   EL_CONVEYOR_BELT_1_LEFT,
5933   EL_CONVEYOR_BELT_1_MIDDLE,
5934   EL_CONVEYOR_BELT_1_RIGHT,
5935   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5936
5937   EL_CONVEYOR_BELT_2_LEFT,
5938   EL_CONVEYOR_BELT_2_MIDDLE,
5939   EL_CONVEYOR_BELT_2_RIGHT,
5940   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5941
5942   EL_CONVEYOR_BELT_3_LEFT,
5943   EL_CONVEYOR_BELT_3_MIDDLE,
5944   EL_CONVEYOR_BELT_3_RIGHT,
5945   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5946
5947   EL_CONVEYOR_BELT_4_LEFT,
5948   EL_CONVEYOR_BELT_4_MIDDLE,
5949   EL_CONVEYOR_BELT_4_RIGHT,
5950   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5951
5952   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5953   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5954   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5955   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5956
5957   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5958   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5959   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5960   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5961
5962   EL_TIMEGATE_CLOSED,
5963   EL_TIMEGATE_OPEN,
5964   EL_TIMEGATE_SWITCH,
5965   EL_DC_TIMEGATE_SWITCH,
5966
5967   EL_SWITCHGATE_CLOSED,
5968   EL_SWITCHGATE_OPEN,
5969   EL_SWITCHGATE_SWITCH_UP,
5970   EL_SWITCHGATE_SWITCH_DOWN,
5971
5972   EL_LIGHT_SWITCH,
5973   EL_LIGHT_SWITCH_ACTIVE,
5974   EL_DC_SWITCHGATE_SWITCH_UP,
5975   EL_DC_SWITCHGATE_SWITCH_DOWN,
5976
5977   EL_STEEL_EXIT_CLOSED,
5978   EL_STEEL_EXIT_OPEN,
5979   EL_STEELWALL_SLIPPERY,
5980   EL_INVISIBLE_SAND,
5981
5982   EL_QUICKSAND_FAST_EMPTY,
5983   EL_QUICKSAND_FAST_FULL,
5984   EL_LANDMINE,
5985   EL_DC_LANDMINE,
5986
5987   EL_SHIELD_NORMAL,
5988   EL_SHIELD_DEADLY,
5989   EL_EXTRA_TIME,
5990   EL_DC_MAGIC_WALL,
5991
5992   EL_ENVELOPE_1,
5993   EL_ENVELOPE_2,
5994   EL_ENVELOPE_3,
5995   EL_ENVELOPE_4,
5996
5997   EL_SIGN_RADIOACTIVITY,
5998   EL_SIGN_WHEELCHAIR,
5999   EL_SIGN_PARKING,
6000   EL_SIGN_NO_ENTRY,
6001
6002   EL_SIGN_GIVE_WAY,
6003   EL_SIGN_ENTRY_FORBIDDEN,
6004   EL_SIGN_EMERGENCY_EXIT,
6005   EL_SIGN_YIN_YANG,
6006
6007 #if 0
6008   EL_SIGN_SPERMS,
6009   EL_SIGN_BULLET,
6010   EL_SIGN_HEART,
6011   EL_SIGN_CROSS,
6012
6013   EL_SIGN_FRANKIE,
6014   EL_EMPTY,
6015   EL_EMPTY,
6016   EL_EMPTY,
6017
6018   EL_SPERMS,
6019   EL_BULLET,
6020   EL_HEART,
6021   EL_CROSS,
6022
6023   EL_FRANKIE,
6024   EL_EMPTY,
6025   EL_EMPTY,
6026   EL_EMPTY,
6027 #endif
6028
6029   EL_DC_STEELWALL_2_SINGLE,
6030   EL_DC_STEELWALL_2_TOP,
6031   EL_SIGN_EXCLAMATION,
6032   EL_SIGN_STOP,
6033
6034   EL_DC_STEELWALL_2_LEFT,
6035   EL_DC_STEELWALL_2_MIDDLE,
6036   EL_DC_STEELWALL_2_HORIZONTAL,
6037   EL_DC_STEELWALL_2_RIGHT,
6038
6039   EL_DC_STEELWALL_1_TOPLEFT,
6040   EL_DC_STEELWALL_2_VERTICAL,
6041   EL_DC_STEELWALL_1_TOPRIGHT,
6042   EL_DC_GATE_WHITE,
6043
6044   EL_DC_STEELWALL_1_VERTICAL,
6045   EL_DC_STEELWALL_2_BOTTOM,
6046   EL_DC_KEY_WHITE,
6047   EL_DC_GATE_WHITE_GRAY,
6048
6049   EL_DC_STEELWALL_1_BOTTOMLEFT,
6050   EL_DC_STEELWALL_1_HORIZONTAL,
6051   EL_DC_STEELWALL_1_BOTTOMRIGHT,
6052   EL_DC_GATE_FAKE_GRAY,
6053
6054   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
6055   EL_DC_STEELWALL_1_BOTTOM,
6056   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
6057   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
6058
6059   EL_DC_STEELWALL_1_RIGHT,
6060   EL_EMPTY,
6061   EL_DC_STEELWALL_1_LEFT,
6062   EL_EXPANDABLE_STEELWALL_VERTICAL,
6063
6064   EL_DC_STEELWALL_1_TOPRIGHT_2,
6065   EL_DC_STEELWALL_1_TOP,
6066   EL_DC_STEELWALL_1_TOPLEFT_2,
6067   EL_EXPANDABLE_STEELWALL_ANY,
6068 };
6069 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
6070 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
6071 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
6072 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
6073
6074 static int editor_hl_dx_boulderdash[] =
6075 {
6076   EL_INTERNAL_CASCADE_DX_ACTIVE,
6077   EL_CHAR('D'),
6078   EL_CHAR('X'),
6079   EL_EMPTY,
6080 };
6081
6082 static int editor_el_dx_boulderdash[] =
6083 {
6084   EL_EMPTY,
6085   EL_TUBE_RIGHT_DOWN,
6086   EL_TUBE_HORIZONTAL_DOWN,
6087   EL_TUBE_LEFT_DOWN,
6088
6089   EL_TUBE_HORIZONTAL,
6090   EL_TUBE_VERTICAL_RIGHT,
6091   EL_TUBE_ANY,
6092   EL_TUBE_VERTICAL_LEFT,
6093
6094   EL_TUBE_VERTICAL,
6095   EL_TUBE_RIGHT_UP,
6096   EL_TUBE_HORIZONTAL_UP,
6097   EL_TUBE_LEFT_UP,
6098
6099   EL_TRAP,
6100   EL_DX_SUPABOMB,
6101   EL_EMPTY,
6102   EL_EMPTY
6103 };
6104 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
6105 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
6106 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
6107 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
6108
6109 static int editor_hl_mirror_magic[] =
6110 {
6111   EL_INTERNAL_CASCADE_MM_ACTIVE,
6112   EL_CHAR('M'),
6113   EL_CHAR('M'),
6114   EL_EMPTY,
6115 };
6116
6117 static int editor_el_mirror_magic[] =
6118 {
6119   EL_MM_MCDUFFIN_RIGHT,
6120   EL_MM_MCDUFFIN_UP,
6121   EL_MM_MCDUFFIN_LEFT,
6122   EL_MM_MCDUFFIN_DOWN,
6123
6124   EL_MM_MIRROR_START,
6125   EL_MM_MIRROR_FIXED_START,
6126   EL_MM_POLARIZER_START,
6127   EL_MM_POLARIZER_CROSS_START,
6128
6129   EL_MM_TELEPORTER_RED_START,
6130   EL_MM_TELEPORTER_YELLOW_START,
6131   EL_MM_TELEPORTER_GREEN_START,
6132   EL_MM_TELEPORTER_BLUE_START,
6133
6134   EL_MM_PRISM,
6135   EL_MM_FUSE_ACTIVE,
6136   EL_MM_PACMAN_RIGHT,
6137   EL_MM_EXIT_CLOSED,
6138
6139   EL_MM_KETTLE,
6140   EL_MM_BOMB,
6141   EL_MM_KEY,
6142   EL_MM_FUEL_FULL,
6143
6144   EL_MM_LIGHTBULB,
6145   EL_MM_LIGHTBULB_ACTIVE,
6146   EL_MM_GRAY_BALL,
6147   EL_MM_LIGHTBALL,
6148
6149   EL_MM_STEEL_WALL,
6150   EL_MM_WOODEN_WALL,
6151   EL_MM_ICE_WALL,
6152   EL_MM_AMOEBA_WALL,
6153
6154   EL_MM_STEEL_LOCK,
6155   EL_MM_WOODEN_LOCK,
6156   EL_MM_STEEL_BLOCK,
6157   EL_MM_WOODEN_BLOCK,
6158
6159   EL_MM_STEEL_GRID_FIXED_1,
6160   EL_MM_STEEL_GRID_FIXED_2,
6161   EL_MM_STEEL_GRID_FIXED_3,
6162   EL_MM_STEEL_GRID_FIXED_4,
6163
6164   EL_MM_WOODEN_GRID_FIXED_1,
6165   EL_MM_WOODEN_GRID_FIXED_2,
6166   EL_MM_WOODEN_GRID_FIXED_3,
6167   EL_MM_WOODEN_GRID_FIXED_4,
6168
6169   EL_MM_ENVELOPE_1,
6170   EL_MM_ENVELOPE_2,
6171   EL_MM_ENVELOPE_3,
6172   EL_MM_ENVELOPE_4
6173 };
6174 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
6175 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
6176 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
6177 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
6178
6179 static int editor_hl_deflektor[] =
6180 {
6181   EL_INTERNAL_CASCADE_DF_ACTIVE,
6182   EL_CHAR('D'),
6183   EL_CHAR('F'),
6184   EL_EMPTY,
6185 };
6186
6187 static int editor_el_deflektor[] =
6188 {
6189   EL_DF_LASER_RIGHT,
6190   EL_DF_LASER_UP,
6191   EL_DF_LASER_LEFT,
6192   EL_DF_LASER_DOWN,
6193
6194   EL_DF_RECEIVER_RIGHT,
6195   EL_DF_RECEIVER_UP,
6196   EL_DF_RECEIVER_LEFT,
6197   EL_DF_RECEIVER_DOWN,
6198
6199   EL_DF_MIRROR_START,
6200   EL_DF_MIRROR_ROTATING_START,
6201   EL_DF_MIRROR_FIXED_START,
6202   EL_DF_CELL,
6203
6204   EL_DF_FIBRE_OPTIC_RED_1,
6205   EL_DF_FIBRE_OPTIC_YELLOW_1,
6206   EL_DF_FIBRE_OPTIC_GREEN_1,
6207   EL_DF_FIBRE_OPTIC_BLUE_1,
6208
6209   EL_DF_STEEL_GRID_FIXED_START,
6210   EL_DF_STEEL_GRID_ROTATING_START,
6211   EL_DF_WOODEN_GRID_FIXED_START,
6212   EL_DF_WOODEN_GRID_ROTATING_START,
6213
6214   EL_DF_STEEL_WALL,
6215   EL_DF_WOODEN_WALL,
6216   EL_DF_REFRACTOR,
6217   EL_DF_MINE,
6218
6219   EL_DF_SLOPE_1,
6220   EL_DF_SLOPE_2,
6221   EL_DF_SLOPE_3,
6222   EL_DF_SLOPE_4
6223 };
6224 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
6225 static int *editor_el_deflektor_ptr = editor_el_deflektor;
6226 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
6227 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
6228
6229 static int editor_hl_chars[] =
6230 {
6231   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
6232   EL_CHAR('T'),
6233   EL_CHAR('X'),
6234   EL_CHAR('T'),
6235 };
6236
6237 static int editor_el_chars[] =
6238 {
6239   EL_CHAR(' '),
6240   EL_CHAR('!'),
6241   EL_CHAR('"'),
6242   EL_CHAR('#'),
6243
6244   EL_CHAR('$'),
6245   EL_CHAR('%'),
6246   EL_CHAR('&'),
6247   EL_CHAR('\''),
6248
6249   EL_CHAR('('),
6250   EL_CHAR(')'),
6251   EL_CHAR('*'),
6252   EL_CHAR('+'),
6253
6254   EL_CHAR(','),
6255   EL_CHAR('-'),
6256   EL_CHAR('.'),
6257   EL_CHAR('/'),
6258
6259   EL_CHAR('0'),
6260   EL_CHAR('1'),
6261   EL_CHAR('2'),
6262   EL_CHAR('3'),
6263
6264   EL_CHAR('4'),
6265   EL_CHAR('5'),
6266   EL_CHAR('6'),
6267   EL_CHAR('7'),
6268
6269   EL_CHAR('8'),
6270   EL_CHAR('9'),
6271   EL_CHAR(':'),
6272   EL_CHAR(';'),
6273
6274   EL_CHAR('<'),
6275   EL_CHAR('='),
6276   EL_CHAR('>'),
6277   EL_CHAR('?'),
6278
6279   EL_CHAR('@'),
6280   EL_CHAR('A'),
6281   EL_CHAR('B'),
6282   EL_CHAR('C'),
6283
6284   EL_CHAR('D'),
6285   EL_CHAR('E'),
6286   EL_CHAR('F'),
6287   EL_CHAR('G'),
6288
6289   EL_CHAR('H'),
6290   EL_CHAR('I'),
6291   EL_CHAR('J'),
6292   EL_CHAR('K'),
6293
6294   EL_CHAR('L'),
6295   EL_CHAR('M'),
6296   EL_CHAR('N'),
6297   EL_CHAR('O'),
6298
6299   EL_CHAR('P'),
6300   EL_CHAR('Q'),
6301   EL_CHAR('R'),
6302   EL_CHAR('S'),
6303
6304   EL_CHAR('T'),
6305   EL_CHAR('U'),
6306   EL_CHAR('V'),
6307   EL_CHAR('W'),
6308
6309   EL_CHAR('X'),
6310   EL_CHAR('Y'),
6311   EL_CHAR('Z'),
6312   EL_CHAR('['),
6313
6314   EL_CHAR('\\'),
6315   EL_CHAR(']'),
6316   EL_CHAR('^'),
6317   EL_CHAR('_'),
6318
6319   EL_CHAR(CHAR_BYTE_COPYRIGHT),
6320   EL_CHAR(CHAR_BYTE_UMLAUT_A),
6321   EL_CHAR(CHAR_BYTE_UMLAUT_O),
6322   EL_CHAR(CHAR_BYTE_UMLAUT_U),
6323
6324   EL_CHAR(CHAR_BYTE_DEGREE),
6325   EL_CHAR(CHAR_BYTE_REGISTERED),
6326   EL_CHAR(FONT_ASCII_CURSOR),
6327   EL_CHAR(FONT_ASCII_BUTTON),
6328
6329   EL_CHAR(FONT_ASCII_UP),
6330   EL_CHAR(FONT_ASCII_DOWN),
6331   EL_CHAR(' '),
6332   EL_CHAR(' ')
6333 };
6334 static int *editor_hl_chars_ptr = editor_hl_chars;
6335 static int *editor_el_chars_ptr = editor_el_chars;
6336 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
6337 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
6338
6339 static int editor_hl_steel_chars[] =
6340 {
6341   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
6342   EL_STEEL_CHAR('T'),
6343   EL_STEEL_CHAR('X'),
6344   EL_STEEL_CHAR('T'),
6345 };
6346
6347 static int editor_el_steel_chars[] =
6348 {
6349   EL_STEEL_CHAR(' '),
6350   EL_STEEL_CHAR('!'),
6351   EL_STEEL_CHAR('"'),
6352   EL_STEEL_CHAR('#'),
6353
6354   EL_STEEL_CHAR('$'),
6355   EL_STEEL_CHAR('%'),
6356   EL_STEEL_CHAR('&'),
6357   EL_STEEL_CHAR('\''),
6358
6359   EL_STEEL_CHAR('('),
6360   EL_STEEL_CHAR(')'),
6361   EL_STEEL_CHAR('*'),
6362   EL_STEEL_CHAR('+'),
6363
6364   EL_STEEL_CHAR(','),
6365   EL_STEEL_CHAR('-'),
6366   EL_STEEL_CHAR('.'),
6367   EL_STEEL_CHAR('/'),
6368
6369   EL_STEEL_CHAR('0'),
6370   EL_STEEL_CHAR('1'),
6371   EL_STEEL_CHAR('2'),
6372   EL_STEEL_CHAR('3'),
6373
6374   EL_STEEL_CHAR('4'),
6375   EL_STEEL_CHAR('5'),
6376   EL_STEEL_CHAR('6'),
6377   EL_STEEL_CHAR('7'),
6378
6379   EL_STEEL_CHAR('8'),
6380   EL_STEEL_CHAR('9'),
6381   EL_STEEL_CHAR(':'),
6382   EL_STEEL_CHAR(';'),
6383
6384   EL_STEEL_CHAR('<'),
6385   EL_STEEL_CHAR('='),
6386   EL_STEEL_CHAR('>'),
6387   EL_STEEL_CHAR('?'),
6388
6389   EL_STEEL_CHAR('@'),
6390   EL_STEEL_CHAR('A'),
6391   EL_STEEL_CHAR('B'),
6392   EL_STEEL_CHAR('C'),
6393
6394   EL_STEEL_CHAR('D'),
6395   EL_STEEL_CHAR('E'),
6396   EL_STEEL_CHAR('F'),
6397   EL_STEEL_CHAR('G'),
6398
6399   EL_STEEL_CHAR('H'),
6400   EL_STEEL_CHAR('I'),
6401   EL_STEEL_CHAR('J'),
6402   EL_STEEL_CHAR('K'),
6403
6404   EL_STEEL_CHAR('L'),
6405   EL_STEEL_CHAR('M'),
6406   EL_STEEL_CHAR('N'),
6407   EL_STEEL_CHAR('O'),
6408
6409   EL_STEEL_CHAR('P'),
6410   EL_STEEL_CHAR('Q'),
6411   EL_STEEL_CHAR('R'),
6412   EL_STEEL_CHAR('S'),
6413
6414   EL_STEEL_CHAR('T'),
6415   EL_STEEL_CHAR('U'),
6416   EL_STEEL_CHAR('V'),
6417   EL_STEEL_CHAR('W'),
6418
6419   EL_STEEL_CHAR('X'),
6420   EL_STEEL_CHAR('Y'),
6421   EL_STEEL_CHAR('Z'),
6422   EL_STEEL_CHAR('['),
6423
6424   EL_STEEL_CHAR('\\'),
6425   EL_STEEL_CHAR(']'),
6426   EL_STEEL_CHAR('^'),
6427   EL_STEEL_CHAR('_'),
6428
6429   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
6430   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
6431   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
6432   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
6433
6434   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
6435   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
6436   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
6437   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
6438
6439   EL_STEEL_CHAR(FONT_ASCII_UP),
6440   EL_STEEL_CHAR(FONT_ASCII_DOWN),
6441   EL_STEEL_CHAR(' '),
6442   EL_STEEL_CHAR(' ')
6443 };
6444 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
6445 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
6446 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
6447 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
6448
6449 static int editor_hl_custom[] =
6450 {
6451   EL_INTERNAL_CASCADE_CE_ACTIVE,
6452   EL_CHAR('C'),
6453   EL_CHAR('E'),
6454   EL_EMPTY,
6455 };
6456
6457 static int editor_el_custom[] =
6458 {
6459   EL_CUSTOM_START + 0,
6460   EL_CUSTOM_START + 1,
6461   EL_CUSTOM_START + 2,
6462   EL_CUSTOM_START + 3,
6463
6464   EL_CUSTOM_START + 4,
6465   EL_CUSTOM_START + 5,
6466   EL_CUSTOM_START + 6,
6467   EL_CUSTOM_START + 7,
6468
6469   EL_CUSTOM_START + 8,
6470   EL_CUSTOM_START + 9,
6471   EL_CUSTOM_START + 10,
6472   EL_CUSTOM_START + 11,
6473
6474   EL_CUSTOM_START + 12,
6475   EL_CUSTOM_START + 13,
6476   EL_CUSTOM_START + 14,
6477   EL_CUSTOM_START + 15,
6478
6479   EL_CUSTOM_START + 16,
6480   EL_CUSTOM_START + 17,
6481   EL_CUSTOM_START + 18,
6482   EL_CUSTOM_START + 19,
6483
6484   EL_CUSTOM_START + 20,
6485   EL_CUSTOM_START + 21,
6486   EL_CUSTOM_START + 22,
6487   EL_CUSTOM_START + 23,
6488
6489   EL_CUSTOM_START + 24,
6490   EL_CUSTOM_START + 25,
6491   EL_CUSTOM_START + 26,
6492   EL_CUSTOM_START + 27,
6493
6494   EL_CUSTOM_START + 28,
6495   EL_CUSTOM_START + 29,
6496   EL_CUSTOM_START + 30,
6497   EL_CUSTOM_START + 31,
6498
6499   EL_CUSTOM_START + 32,
6500   EL_CUSTOM_START + 33,
6501   EL_CUSTOM_START + 34,
6502   EL_CUSTOM_START + 35,
6503
6504   EL_CUSTOM_START + 36,
6505   EL_CUSTOM_START + 37,
6506   EL_CUSTOM_START + 38,
6507   EL_CUSTOM_START + 39,
6508
6509   EL_CUSTOM_START + 40,
6510   EL_CUSTOM_START + 41,
6511   EL_CUSTOM_START + 42,
6512   EL_CUSTOM_START + 43,
6513
6514   EL_CUSTOM_START + 44,
6515   EL_CUSTOM_START + 45,
6516   EL_CUSTOM_START + 46,
6517   EL_CUSTOM_START + 47,
6518
6519   EL_CUSTOM_START + 48,
6520   EL_CUSTOM_START + 49,
6521   EL_CUSTOM_START + 50,
6522   EL_CUSTOM_START + 51,
6523
6524   EL_CUSTOM_START + 52,
6525   EL_CUSTOM_START + 53,
6526   EL_CUSTOM_START + 54,
6527   EL_CUSTOM_START + 55,
6528
6529   EL_CUSTOM_START + 56,
6530   EL_CUSTOM_START + 57,
6531   EL_CUSTOM_START + 58,
6532   EL_CUSTOM_START + 59,
6533
6534   EL_CUSTOM_START + 60,
6535   EL_CUSTOM_START + 61,
6536   EL_CUSTOM_START + 62,
6537   EL_CUSTOM_START + 63,
6538
6539   EL_CUSTOM_START + 64,
6540   EL_CUSTOM_START + 65,
6541   EL_CUSTOM_START + 66,
6542   EL_CUSTOM_START + 67,
6543
6544   EL_CUSTOM_START + 68,
6545   EL_CUSTOM_START + 69,
6546   EL_CUSTOM_START + 70,
6547   EL_CUSTOM_START + 71,
6548
6549   EL_CUSTOM_START + 72,
6550   EL_CUSTOM_START + 73,
6551   EL_CUSTOM_START + 74,
6552   EL_CUSTOM_START + 75,
6553
6554   EL_CUSTOM_START + 76,
6555   EL_CUSTOM_START + 77,
6556   EL_CUSTOM_START + 78,
6557   EL_CUSTOM_START + 79,
6558
6559   EL_CUSTOM_START + 80,
6560   EL_CUSTOM_START + 81,
6561   EL_CUSTOM_START + 82,
6562   EL_CUSTOM_START + 83,
6563
6564   EL_CUSTOM_START + 84,
6565   EL_CUSTOM_START + 85,
6566   EL_CUSTOM_START + 86,
6567   EL_CUSTOM_START + 87,
6568
6569   EL_CUSTOM_START + 88,
6570   EL_CUSTOM_START + 89,
6571   EL_CUSTOM_START + 90,
6572   EL_CUSTOM_START + 91,
6573
6574   EL_CUSTOM_START + 92,
6575   EL_CUSTOM_START + 93,
6576   EL_CUSTOM_START + 94,
6577   EL_CUSTOM_START + 95,
6578
6579   EL_CUSTOM_START + 96,
6580   EL_CUSTOM_START + 97,
6581   EL_CUSTOM_START + 98,
6582   EL_CUSTOM_START + 99,
6583
6584   EL_CUSTOM_START + 100,
6585   EL_CUSTOM_START + 101,
6586   EL_CUSTOM_START + 102,
6587   EL_CUSTOM_START + 103,
6588
6589   EL_CUSTOM_START + 104,
6590   EL_CUSTOM_START + 105,
6591   EL_CUSTOM_START + 106,
6592   EL_CUSTOM_START + 107,
6593
6594   EL_CUSTOM_START + 108,
6595   EL_CUSTOM_START + 109,
6596   EL_CUSTOM_START + 110,
6597   EL_CUSTOM_START + 111,
6598
6599   EL_CUSTOM_START + 112,
6600   EL_CUSTOM_START + 113,
6601   EL_CUSTOM_START + 114,
6602   EL_CUSTOM_START + 115,
6603
6604   EL_CUSTOM_START + 116,
6605   EL_CUSTOM_START + 117,
6606   EL_CUSTOM_START + 118,
6607   EL_CUSTOM_START + 119,
6608
6609   EL_CUSTOM_START + 120,
6610   EL_CUSTOM_START + 121,
6611   EL_CUSTOM_START + 122,
6612   EL_CUSTOM_START + 123,
6613
6614   EL_CUSTOM_START + 124,
6615   EL_CUSTOM_START + 125,
6616   EL_CUSTOM_START + 126,
6617   EL_CUSTOM_START + 127,
6618
6619   EL_CUSTOM_START + 128,
6620   EL_CUSTOM_START + 129,
6621   EL_CUSTOM_START + 130,
6622   EL_CUSTOM_START + 131,
6623
6624   EL_CUSTOM_START + 132,
6625   EL_CUSTOM_START + 133,
6626   EL_CUSTOM_START + 134,
6627   EL_CUSTOM_START + 135,
6628
6629   EL_CUSTOM_START + 136,
6630   EL_CUSTOM_START + 137,
6631   EL_CUSTOM_START + 138,
6632   EL_CUSTOM_START + 139,
6633
6634   EL_CUSTOM_START + 140,
6635   EL_CUSTOM_START + 141,
6636   EL_CUSTOM_START + 142,
6637   EL_CUSTOM_START + 143,
6638
6639   EL_CUSTOM_START + 144,
6640   EL_CUSTOM_START + 145,
6641   EL_CUSTOM_START + 146,
6642   EL_CUSTOM_START + 147,
6643
6644   EL_CUSTOM_START + 148,
6645   EL_CUSTOM_START + 149,
6646   EL_CUSTOM_START + 150,
6647   EL_CUSTOM_START + 151,
6648
6649   EL_CUSTOM_START + 152,
6650   EL_CUSTOM_START + 153,
6651   EL_CUSTOM_START + 154,
6652   EL_CUSTOM_START + 155,
6653
6654   EL_CUSTOM_START + 156,
6655   EL_CUSTOM_START + 157,
6656   EL_CUSTOM_START + 158,
6657   EL_CUSTOM_START + 159,
6658
6659   EL_CUSTOM_START + 160,
6660   EL_CUSTOM_START + 161,
6661   EL_CUSTOM_START + 162,
6662   EL_CUSTOM_START + 163,
6663
6664   EL_CUSTOM_START + 164,
6665   EL_CUSTOM_START + 165,
6666   EL_CUSTOM_START + 166,
6667   EL_CUSTOM_START + 167,
6668
6669   EL_CUSTOM_START + 168,
6670   EL_CUSTOM_START + 169,
6671   EL_CUSTOM_START + 170,
6672   EL_CUSTOM_START + 171,
6673
6674   EL_CUSTOM_START + 172,
6675   EL_CUSTOM_START + 173,
6676   EL_CUSTOM_START + 174,
6677   EL_CUSTOM_START + 175,
6678
6679   EL_CUSTOM_START + 176,
6680   EL_CUSTOM_START + 177,
6681   EL_CUSTOM_START + 178,
6682   EL_CUSTOM_START + 179,
6683
6684   EL_CUSTOM_START + 180,
6685   EL_CUSTOM_START + 181,
6686   EL_CUSTOM_START + 182,
6687   EL_CUSTOM_START + 183,
6688
6689   EL_CUSTOM_START + 184,
6690   EL_CUSTOM_START + 185,
6691   EL_CUSTOM_START + 186,
6692   EL_CUSTOM_START + 187,
6693
6694   EL_CUSTOM_START + 188,
6695   EL_CUSTOM_START + 189,
6696   EL_CUSTOM_START + 190,
6697   EL_CUSTOM_START + 191,
6698
6699   EL_CUSTOM_START + 192,
6700   EL_CUSTOM_START + 193,
6701   EL_CUSTOM_START + 194,
6702   EL_CUSTOM_START + 195,
6703
6704   EL_CUSTOM_START + 196,
6705   EL_CUSTOM_START + 197,
6706   EL_CUSTOM_START + 198,
6707   EL_CUSTOM_START + 199,
6708
6709   EL_CUSTOM_START + 200,
6710   EL_CUSTOM_START + 201,
6711   EL_CUSTOM_START + 202,
6712   EL_CUSTOM_START + 203,
6713
6714   EL_CUSTOM_START + 204,
6715   EL_CUSTOM_START + 205,
6716   EL_CUSTOM_START + 206,
6717   EL_CUSTOM_START + 207,
6718
6719   EL_CUSTOM_START + 208,
6720   EL_CUSTOM_START + 209,
6721   EL_CUSTOM_START + 210,
6722   EL_CUSTOM_START + 211,
6723
6724   EL_CUSTOM_START + 212,
6725   EL_CUSTOM_START + 213,
6726   EL_CUSTOM_START + 214,
6727   EL_CUSTOM_START + 215,
6728
6729   EL_CUSTOM_START + 216,
6730   EL_CUSTOM_START + 217,
6731   EL_CUSTOM_START + 218,
6732   EL_CUSTOM_START + 219,
6733
6734   EL_CUSTOM_START + 220,
6735   EL_CUSTOM_START + 221,
6736   EL_CUSTOM_START + 222,
6737   EL_CUSTOM_START + 223,
6738
6739   EL_CUSTOM_START + 224,
6740   EL_CUSTOM_START + 225,
6741   EL_CUSTOM_START + 226,
6742   EL_CUSTOM_START + 227,
6743
6744   EL_CUSTOM_START + 228,
6745   EL_CUSTOM_START + 229,
6746   EL_CUSTOM_START + 230,
6747   EL_CUSTOM_START + 231,
6748
6749   EL_CUSTOM_START + 232,
6750   EL_CUSTOM_START + 233,
6751   EL_CUSTOM_START + 234,
6752   EL_CUSTOM_START + 235,
6753
6754   EL_CUSTOM_START + 236,
6755   EL_CUSTOM_START + 237,
6756   EL_CUSTOM_START + 238,
6757   EL_CUSTOM_START + 239,
6758
6759   EL_CUSTOM_START + 240,
6760   EL_CUSTOM_START + 241,
6761   EL_CUSTOM_START + 242,
6762   EL_CUSTOM_START + 243,
6763
6764   EL_CUSTOM_START + 244,
6765   EL_CUSTOM_START + 245,
6766   EL_CUSTOM_START + 246,
6767   EL_CUSTOM_START + 247,
6768
6769   EL_CUSTOM_START + 248,
6770   EL_CUSTOM_START + 249,
6771   EL_CUSTOM_START + 250,
6772   EL_CUSTOM_START + 251,
6773
6774   EL_CUSTOM_START + 252,
6775   EL_CUSTOM_START + 253,
6776   EL_CUSTOM_START + 254,
6777   EL_CUSTOM_START + 255
6778 };
6779 static int *editor_hl_custom_ptr = editor_hl_custom;
6780 static int *editor_el_custom_ptr = editor_el_custom;
6781 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
6782 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
6783
6784 static int editor_hl_group[] =
6785 {
6786   EL_INTERNAL_CASCADE_GE_ACTIVE,
6787   EL_CHAR('G'),
6788   EL_CHAR('E'),
6789   EL_EMPTY,
6790 };
6791
6792 static int editor_el_group[] =
6793 {
6794   EL_GROUP_START + 0,
6795   EL_GROUP_START + 1,
6796   EL_GROUP_START + 2,
6797   EL_GROUP_START + 3,
6798
6799   EL_GROUP_START + 4,
6800   EL_GROUP_START + 5,
6801   EL_GROUP_START + 6,
6802   EL_GROUP_START + 7,
6803
6804   EL_GROUP_START + 8,
6805   EL_GROUP_START + 9,
6806   EL_GROUP_START + 10,
6807   EL_GROUP_START + 11,
6808
6809   EL_GROUP_START + 12,
6810   EL_GROUP_START + 13,
6811   EL_GROUP_START + 14,
6812   EL_GROUP_START + 15,
6813
6814   EL_GROUP_START + 16,
6815   EL_GROUP_START + 17,
6816   EL_GROUP_START + 18,
6817   EL_GROUP_START + 19,
6818
6819   EL_GROUP_START + 20,
6820   EL_GROUP_START + 21,
6821   EL_GROUP_START + 22,
6822   EL_GROUP_START + 23,
6823
6824   EL_GROUP_START + 24,
6825   EL_GROUP_START + 25,
6826   EL_GROUP_START + 26,
6827   EL_GROUP_START + 27,
6828
6829   EL_GROUP_START + 28,
6830   EL_GROUP_START + 29,
6831   EL_GROUP_START + 30,
6832   EL_GROUP_START + 31
6833 };
6834 static int *editor_hl_group_ptr = editor_hl_group;
6835 static int *editor_el_group_ptr = editor_el_group;
6836 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
6837 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
6838
6839 static int editor_hl_empty_space[] =
6840 {
6841   EL_INTERNAL_CASCADE_ES_ACTIVE,
6842   EL_CHAR('E'),
6843   EL_CHAR('S'),
6844   EL_EMPTY,
6845 };
6846
6847 static int editor_el_empty_space[] =
6848 {
6849   EL_EMPTY_SPACE_1,
6850   EL_EMPTY_SPACE_2,
6851   EL_EMPTY_SPACE_3,
6852   EL_EMPTY_SPACE_4,
6853
6854   EL_EMPTY_SPACE_5,
6855   EL_EMPTY_SPACE_6,
6856   EL_EMPTY_SPACE_7,
6857   EL_EMPTY_SPACE_8,
6858
6859   EL_EMPTY_SPACE_9,
6860   EL_EMPTY_SPACE_10,
6861   EL_EMPTY_SPACE_11,
6862   EL_EMPTY_SPACE_12,
6863
6864   EL_EMPTY_SPACE_13,
6865   EL_EMPTY_SPACE_14,
6866   EL_EMPTY_SPACE_15,
6867   EL_EMPTY_SPACE_16
6868 };
6869 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
6870 static int *editor_el_empty_space_ptr = editor_el_empty_space;
6871 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
6872 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
6873
6874 static int editor_hl_reference[] =
6875 {
6876   EL_INTERNAL_CASCADE_REF_ACTIVE,
6877   EL_CHAR('R'),
6878   EL_CHAR('E'),
6879   EL_CHAR('F')
6880 };
6881
6882 static int editor_el_reference[] =
6883 {
6884   EL_TRIGGER_PLAYER,
6885   EL_TRIGGER_ELEMENT,
6886   EL_TRIGGER_CE_VALUE,
6887   EL_TRIGGER_CE_SCORE,
6888
6889   EL_SELF,
6890   EL_ANY_ELEMENT,
6891   EL_CURRENT_CE_VALUE,
6892   EL_CURRENT_CE_SCORE,
6893
6894   EL_PREV_CE_8,
6895   EL_PREV_CE_7,
6896   EL_PREV_CE_6,
6897   EL_PREV_CE_5,
6898
6899   EL_PREV_CE_4,
6900   EL_PREV_CE_3,
6901   EL_PREV_CE_2,
6902   EL_PREV_CE_1,
6903
6904   EL_NEXT_CE_1,
6905   EL_NEXT_CE_2,
6906   EL_NEXT_CE_3,
6907   EL_NEXT_CE_4,
6908
6909   EL_NEXT_CE_5,
6910   EL_NEXT_CE_6,
6911   EL_NEXT_CE_7,
6912   EL_NEXT_CE_8,
6913 };
6914 static int *editor_hl_reference_ptr = editor_hl_reference;
6915 static int *editor_el_reference_ptr = editor_el_reference;
6916 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6917 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6918
6919 static int editor_hl_user_defined[] =
6920 {
6921   EL_INTERNAL_CASCADE_USER_ACTIVE,
6922   EL_CHAR('M'),
6923   EL_CHAR('Y'),
6924   EL_EMPTY,
6925 };
6926
6927 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6928 static int *editor_el_user_defined_ptr = NULL;
6929 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6930 static int num_editor_el_user_defined = 0;
6931
6932 static int editor_hl_dynamic[] =
6933 {
6934   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6935   EL_CHAR('U'),
6936   EL_CHAR('S'),
6937   EL_CHAR('E'),
6938 };
6939
6940 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6941 static int *editor_el_dynamic_ptr = NULL;
6942 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6943 static int num_editor_el_dynamic = 0;
6944
6945 static int editor_hl_empty[] = { EL_EMPTY };
6946 static int *editor_el_empty = NULL;     // dynamically allocated
6947
6948 static int *editor_hl_empty_ptr = editor_hl_empty;
6949 static int *editor_el_empty_ptr = NULL;
6950 static int num_editor_hl_empty = 0;
6951 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6952
6953 static boolean use_el_empty = FALSE;
6954
6955 static int *editor_elements = NULL;     // dynamically allocated
6956 static int num_editor_elements = 0;     // dynamically determined
6957
6958 static boolean setup_editor_cascade_never = FALSE;
6959
6960 static boolean setup_editor_el_players                  = TRUE;
6961 static boolean setup_editor_el_boulderdash              = TRUE;
6962 static boolean setup_editor_el_boulderdash_native       = TRUE;
6963 static boolean setup_editor_el_boulderdash_effects      = TRUE;
6964 static boolean setup_editor_el_emerald_mine             = TRUE;
6965 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6966 static boolean setup_editor_el_more                     = TRUE;
6967 static boolean setup_editor_el_sokoban                  = TRUE;
6968 static boolean setup_editor_el_supaplex                 = TRUE;
6969 static boolean setup_editor_el_diamond_caves            = TRUE;
6970 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6971 static boolean setup_editor_el_mirror_magic             = TRUE;
6972 static boolean setup_editor_el_deflektor                = TRUE;
6973 static boolean setup_editor_el_chars                    = TRUE;
6974 static boolean setup_editor_el_steel_chars              = TRUE;
6975 static boolean setup_editor_el_custom                   = TRUE;
6976 static boolean setup_editor_el_user_defined             = TRUE;
6977 static boolean setup_editor_el_dynamic                  = TRUE;
6978
6979 static int editor_hl_unused[] = { EL_EMPTY };
6980 static int *editor_hl_unused_ptr = editor_hl_unused;
6981 static int num_editor_hl_unused = 0;
6982
6983 static struct
6984 {
6985   boolean *setup_value;
6986   boolean *setup_cascade_value;
6987
6988   int **headline_list;
6989   int *headline_list_size;
6990
6991   int **element_list;
6992   int *element_list_size;
6993
6994   boolean last_setup_value;
6995 }
6996 editor_elements_info[] =
6997 {
6998   {
6999     &setup_editor_el_players,
7000     &setup_editor_cascade_never,
7001     &editor_hl_unused_ptr,              &num_editor_hl_unused,
7002     &editor_el_players_ptr,             &num_editor_el_players
7003   },
7004   {
7005     &setup_editor_el_boulderdash,
7006     &setup.editor_cascade.el_bd,
7007     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
7008     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
7009   },
7010   {
7011     &setup_editor_el_boulderdash_native,
7012     &setup.editor_cascade.el_bd_native,
7013     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
7014     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
7015   },
7016   {
7017     &setup_editor_el_boulderdash_effects,
7018     &setup.editor_cascade.el_bd_effects,
7019     &editor_hl_boulderdash_effects_ptr, &num_editor_hl_boulderdash_effects,
7020     &editor_el_boulderdash_effects_ptr, &num_editor_el_boulderdash_effects
7021   },
7022   {
7023     &setup_editor_el_emerald_mine,
7024     &setup.editor_cascade.el_em,
7025     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
7026     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
7027   },
7028   {
7029     &setup_editor_el_emerald_mine_club,
7030     &setup.editor_cascade.el_emc,
7031     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
7032     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
7033   },
7034   {
7035     &setup_editor_el_more,
7036     &setup.editor_cascade.el_rnd,
7037     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
7038     &editor_el_rnd_ptr,                 &num_editor_el_rnd
7039   },
7040   {
7041     &setup_editor_el_sokoban,
7042     &setup.editor_cascade.el_sb,
7043     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
7044     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
7045   },
7046   {
7047     &setup_editor_el_supaplex,
7048     &setup.editor_cascade.el_sp,
7049     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
7050     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
7051   },
7052   {
7053     &setup_editor_el_diamond_caves,
7054     &setup.editor_cascade.el_dc,
7055     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
7056     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
7057   },
7058   {
7059     &setup_editor_el_dx_boulderdash,
7060     &setup.editor_cascade.el_dx,
7061     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
7062     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
7063   },
7064   {
7065     &setup_editor_el_mirror_magic,
7066     &setup.editor_cascade.el_mm,
7067     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
7068     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
7069   },
7070   {
7071     &setup_editor_el_deflektor,
7072     &setup.editor_cascade.el_df,
7073     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
7074     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
7075   },
7076   {
7077     &setup_editor_el_chars,
7078     &setup.editor_cascade.el_chars,
7079     &editor_hl_chars_ptr,               &num_editor_hl_chars,
7080     &editor_el_chars_ptr,               &num_editor_el_chars
7081   },
7082   {
7083     &setup_editor_el_steel_chars,
7084     &setup.editor_cascade.el_steel_chars,
7085     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
7086     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
7087   },
7088   {
7089     &setup_editor_el_custom,
7090     &setup.editor_cascade.el_ce,
7091     &editor_hl_custom_ptr,              &num_editor_hl_custom,
7092     &editor_el_custom_ptr,              &num_editor_el_custom
7093   },
7094   {
7095     &setup_editor_el_custom,
7096     &setup.editor_cascade.el_ge,
7097     &editor_hl_group_ptr,               &num_editor_hl_group,
7098     &editor_el_group_ptr,               &num_editor_el_group
7099   },
7100   {
7101     &setup_editor_el_custom,
7102     &setup.editor_cascade.el_es,
7103     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
7104     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
7105   },
7106   {
7107     &setup_editor_el_custom,
7108     &setup.editor_cascade.el_ref,
7109     &editor_hl_reference_ptr,           &num_editor_hl_reference,
7110     &editor_el_reference_ptr,           &num_editor_el_reference
7111   },
7112   {
7113     &setup_editor_el_user_defined,
7114     &setup.editor_cascade.el_user,
7115     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
7116     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
7117   },
7118   {
7119     &setup_editor_el_dynamic,
7120     &setup.editor_cascade.el_dynamic,
7121     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
7122     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
7123   },
7124   {
7125     &use_el_empty,
7126     &use_el_empty,
7127     &editor_hl_empty_ptr,               &num_editor_hl_empty,
7128     &editor_el_empty_ptr,               &num_editor_el_empty,
7129   },
7130   {
7131     NULL,
7132     NULL,
7133     NULL,                               NULL,
7134     NULL,                               NULL
7135   }
7136 };
7137
7138 static struct XY xy_directions[] =
7139 {
7140   { -1,  0 },
7141   { +1,  0 },
7142   {  0, -1 },
7143   {  0, +1 }
7144 };
7145
7146
7147 // ----------------------------------------------------------------------------
7148 // functions
7149 // ----------------------------------------------------------------------------
7150
7151 static int getMaxInfoTextLength(void)
7152 {
7153   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
7154 }
7155
7156 static int getTextWidthForGadget(char *text)
7157 {
7158   if (text == NULL)
7159     return 0;
7160
7161   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
7162 }
7163
7164 static int getTextWidthForDrawingArea(char *text)
7165 {
7166   if (text == NULL)
7167     return 0;
7168
7169   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
7170 }
7171
7172 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
7173 {
7174   return (gi->x + gi->width + getTextWidthForGadget(text));
7175 }
7176
7177 static char *getElementInfoText(int element)
7178 {
7179   char *info_text = NULL;
7180
7181   if (element < MAX_NUM_ELEMENTS)
7182   {
7183     if (strlen(element_info[element].description) > 0)
7184       info_text = element_info[element].description;
7185     else if (element_info[element].custom_description != NULL)
7186       info_text = element_info[element].custom_description;
7187     else if (element_info[element].editor_description != NULL)
7188       info_text = element_info[element].editor_description;
7189   }
7190
7191   if (info_text == NULL)
7192     info_text = INFOTEXT_UNKNOWN_ELEMENT;
7193
7194   return info_text;
7195 }
7196
7197 static char *getElementDescriptionFilenameExt(char *basename)
7198 {
7199   char *elements_subdir = ELEMENTS_DIRECTORY;
7200   static char *elements_subdir2 = NULL;
7201   static char *filename = NULL;
7202
7203   if (elements_subdir2 == NULL)
7204     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
7205
7206   checked_free(filename);
7207
7208   // 1st try: look for element description in current level set directory
7209   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
7210   if (fileExists(filename))
7211     return filename;
7212
7213   free(filename);
7214
7215   // 2nd try: look for element description in the game's base directory
7216   filename = getPath3(options.docs_directory, elements_subdir, basename);
7217   if (fileExists(filename))
7218     return filename;
7219
7220   return NULL;
7221 }
7222
7223 static char *getElementDescriptionFilename(int element)
7224 {
7225   char basename[MAX_FILENAME_LEN];
7226   char *filename;
7227
7228   // 1st try: look for element description file for exactly this element
7229   sprintf(basename, "%s.txt", element_info[element].token_name);
7230   filename = getElementDescriptionFilenameExt(basename);
7231   if (filename != NULL)
7232     return filename;
7233
7234   // 2nd try: look for element description file for this element's class
7235   sprintf(basename, "%s.txt", element_info[element].class_name);
7236   filename = getElementDescriptionFilenameExt(basename);
7237   if (filename != NULL)
7238     return filename;
7239
7240   // 3rd try: look for generic fallback text file for any element
7241   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
7242   if (filename != NULL)
7243     return filename;
7244
7245   return NULL;
7246 }
7247
7248 static boolean suppressBorderElement(void)
7249 {
7250   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
7251           lev_fieldx <= MAX_ED_FIELDX &&
7252           lev_fieldy <= MAX_ED_FIELDY);
7253 }
7254
7255 static void InitDynamicEditorElementList(int **elements, int *num_elements)
7256 {
7257   boolean element_found[NUM_FILE_ELEMENTS];
7258   int i, x, y;
7259
7260   // initialize list of used elements to "not used"
7261   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7262     element_found[i] = FALSE;
7263
7264   // find all elements used in current level
7265   for (y = 0; y < lev_fieldy; y++)
7266   {
7267     for (x = 0; x < lev_fieldx; x++)
7268     {
7269       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
7270         continue;
7271
7272       if (IS_MM_WALL(Tile[x][y]))
7273         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
7274       else
7275         element_found[Tile[x][y]] = TRUE;
7276     }
7277   }
7278
7279   *num_elements = 0;
7280
7281   // count number of elements used in current level
7282   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7283     if (element_found[i])
7284       (*num_elements)++;
7285
7286   // add space for up to 3 more elements for padding that may be needed
7287   *num_elements += 3;
7288
7289   // free memory for old list of elements, if needed
7290   checked_free(*elements);
7291
7292   // allocate memory for new list of elements
7293   *elements = checked_malloc(*num_elements * sizeof(int));
7294
7295   *num_elements = 0;
7296
7297   // add all elements used in current level (non-custom/group/empty elements)
7298   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7299     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
7300                               IS_GROUP_ELEMENT(i) ||
7301                               IS_EMPTY_ELEMENT(i)))
7302       (*elements)[(*num_elements)++] = i;
7303
7304   // add all elements used in current level (custom/group/empty elements)
7305   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7306     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
7307                              IS_GROUP_ELEMENT(i) ||
7308                              IS_EMPTY_ELEMENT(i)))
7309       (*elements)[(*num_elements)++] = i;
7310
7311   while (*num_elements % 4)     // pad with empty elements, if needed
7312     (*elements)[(*num_elements)++] = EL_EMPTY;
7313 }
7314
7315 static void ReinitializeElementList_EnableSections(void)
7316 {
7317   // default: enable all element sections
7318
7319   setup_editor_el_players               = TRUE;
7320   setup_editor_el_boulderdash           = TRUE;
7321   setup_editor_el_boulderdash_native    = TRUE;
7322   setup_editor_el_boulderdash_effects   = TRUE;
7323   setup_editor_el_emerald_mine          = TRUE;
7324   setup_editor_el_emerald_mine_club     = TRUE;
7325   setup_editor_el_more                  = TRUE;
7326   setup_editor_el_sokoban               = TRUE;
7327   setup_editor_el_supaplex              = TRUE;
7328   setup_editor_el_diamond_caves         = TRUE;
7329   setup_editor_el_dx_boulderdash        = TRUE;
7330   setup_editor_el_mirror_magic          = TRUE;
7331   setup_editor_el_deflektor             = TRUE;
7332   setup_editor_el_chars                 = TRUE;
7333   setup_editor_el_steel_chars           = TRUE;
7334
7335   setup_editor_el_custom                = TRUE;
7336   setup_editor_el_user_defined          = TRUE;
7337   setup_editor_el_dynamic               = TRUE;
7338
7339   // now disable all element sections not to be displayed
7340
7341   if (!setup.editor.el_classic)
7342   {
7343     setup_editor_el_players             = FALSE;
7344     setup_editor_el_boulderdash         = FALSE;
7345     setup_editor_el_boulderdash_native  = FALSE;
7346     setup_editor_el_boulderdash_effects = FALSE;
7347     setup_editor_el_emerald_mine        = FALSE;
7348     setup_editor_el_emerald_mine_club   = FALSE;
7349     setup_editor_el_more                = FALSE;
7350     setup_editor_el_sokoban             = FALSE;
7351     setup_editor_el_supaplex            = FALSE;
7352     setup_editor_el_diamond_caves       = FALSE;
7353     setup_editor_el_dx_boulderdash      = FALSE;
7354     setup_editor_el_mirror_magic        = FALSE;
7355     setup_editor_el_deflektor           = FALSE;
7356     setup_editor_el_chars               = FALSE;
7357     setup_editor_el_steel_chars         = FALSE;
7358   }
7359
7360   if (!setup.editor.el_custom)
7361   {
7362     setup_editor_el_custom              = FALSE;
7363   }
7364
7365   if (!setup.editor.el_user_defined)
7366   {
7367     setup_editor_el_user_defined        = FALSE;
7368   }
7369
7370   if (!setup.editor.el_dynamic)
7371   {
7372     setup_editor_el_dynamic             = FALSE;
7373   }
7374
7375   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
7376   {
7377     setup_editor_el_boulderdash_native  = FALSE;
7378     setup_editor_el_boulderdash_effects = FALSE;
7379     setup_editor_el_mirror_magic        = FALSE;
7380     setup_editor_el_deflektor           = FALSE;
7381   }
7382   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
7383   {
7384     setup_editor_el_players             = FALSE;
7385     setup_editor_el_boulderdash         = FALSE;
7386     setup_editor_el_emerald_mine        = FALSE;
7387     setup_editor_el_emerald_mine_club   = FALSE;
7388     setup_editor_el_more                = FALSE;
7389     setup_editor_el_sokoban             = FALSE;
7390     setup_editor_el_supaplex            = FALSE;
7391     setup_editor_el_diamond_caves       = FALSE;
7392     setup_editor_el_dx_boulderdash      = FALSE;
7393     setup_editor_el_mirror_magic        = FALSE;
7394     setup_editor_el_deflektor           = FALSE;
7395     setup_editor_el_chars               = FALSE;
7396     setup_editor_el_steel_chars         = FALSE;
7397
7398     setup_editor_el_custom              = FALSE;
7399   }
7400   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
7401   {
7402     setup_editor_el_boulderdash         = FALSE;
7403     setup_editor_el_boulderdash_native  = FALSE;
7404     setup_editor_el_boulderdash_effects = FALSE;
7405     setup_editor_el_more                = FALSE;
7406     setup_editor_el_sokoban             = FALSE;
7407     setup_editor_el_supaplex            = FALSE;
7408     setup_editor_el_diamond_caves       = FALSE;
7409     setup_editor_el_dx_boulderdash      = FALSE;
7410     setup_editor_el_mirror_magic        = FALSE;
7411     setup_editor_el_deflektor           = FALSE;
7412     setup_editor_el_steel_chars         = FALSE;
7413
7414     setup_editor_el_custom              = FALSE;
7415   }
7416   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
7417   {
7418     setup_editor_el_players             = FALSE;
7419     setup_editor_el_boulderdash         = FALSE;
7420     setup_editor_el_boulderdash_native  = FALSE;
7421     setup_editor_el_boulderdash_effects = FALSE;
7422     setup_editor_el_emerald_mine        = FALSE;
7423     setup_editor_el_emerald_mine_club   = FALSE;
7424     setup_editor_el_more                = FALSE;
7425     setup_editor_el_sokoban             = FALSE;
7426     setup_editor_el_diamond_caves       = FALSE;
7427     setup_editor_el_dx_boulderdash      = FALSE;
7428     setup_editor_el_mirror_magic        = FALSE;
7429     setup_editor_el_deflektor           = FALSE;
7430     setup_editor_el_chars               = FALSE;
7431     setup_editor_el_steel_chars         = FALSE;
7432
7433     setup_editor_el_custom              = FALSE;
7434   }
7435   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
7436   {
7437     setup_editor_el_players             = FALSE;
7438     setup_editor_el_boulderdash         = FALSE;
7439     setup_editor_el_boulderdash_native  = FALSE;
7440     setup_editor_el_boulderdash_effects = FALSE;
7441     setup_editor_el_emerald_mine        = FALSE;
7442     setup_editor_el_emerald_mine_club   = FALSE;
7443     setup_editor_el_more                = FALSE;
7444     setup_editor_el_sokoban             = FALSE;
7445     setup_editor_el_supaplex            = FALSE;
7446     setup_editor_el_diamond_caves       = FALSE;
7447     setup_editor_el_dx_boulderdash      = FALSE;
7448     setup_editor_el_steel_chars         = FALSE;
7449
7450     setup_editor_el_custom              = FALSE;
7451   }
7452 }
7453
7454 static void ReinitializeElementList(void)
7455 {
7456   static boolean initialization_needed = TRUE;
7457   int pos = 0;
7458   int i, j;
7459
7460   ReinitializeElementList_EnableSections();
7461
7462   if (initialization_needed)
7463   {
7464     LoadSetup_EditorCascade();          // load last editor cascade state
7465
7466     // initialize editor cascade element from saved cascade state
7467     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7468     {
7469       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
7470       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
7471
7472       if (IS_EDITOR_CASCADE(*cascade_element))
7473         *cascade_element =
7474           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
7475            EL_CASCADE_INACTIVE(*cascade_element));
7476     }
7477
7478     initialization_needed = FALSE;
7479   }
7480
7481   checked_free(editor_elements);
7482
7483   // reload optional user defined element list for each invocation of editor
7484   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
7485                                    &num_editor_el_user_defined);
7486
7487   // initialize dynamic level element list for each invocation of editor
7488   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
7489                                &num_editor_el_dynamic);
7490
7491   // initialize list of empty elements (used for padding, if needed)
7492   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7493     editor_el_empty[i] = EL_EMPTY;
7494
7495   // do some sanity checks for each element from element list
7496   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7497   {
7498     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7499     {
7500       int element = (*editor_elements_info[i].element_list)[j];
7501
7502       if (element >= NUM_FILE_ELEMENTS)
7503         Warn("editor element %d is runtime element", element);
7504
7505       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
7506         Warn("no element description text for element %d", element);
7507     }
7508   }
7509
7510   num_editor_elements = 0;
7511   use_el_empty = FALSE;
7512
7513   // determine size of element list
7514   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7515   {
7516     if (*editor_elements_info[i].setup_value)
7517     {
7518       boolean found_inactive_cascade = FALSE;
7519
7520       if (setup.editor.el_headlines)
7521       {
7522         // required for correct padding of palette headline buttons
7523         if (*editor_elements_info[i].headline_list_size > 0)
7524           num_editor_elements += ED_ELEMENTLIST_COLS;
7525
7526         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7527         {
7528           int element = (*editor_elements_info[i].headline_list)[j];
7529
7530           if (IS_EDITOR_CASCADE_INACTIVE(element))
7531             found_inactive_cascade = TRUE;
7532         }
7533       }
7534
7535       if (found_inactive_cascade)
7536         continue;
7537
7538       // required for correct padding of palette element buttons
7539       int element_list_size = *editor_elements_info[i].element_list_size;
7540       int element_rows =
7541         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7542       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7543
7544       num_editor_elements += element_buttons;
7545     }
7546   }
7547
7548   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
7549   {
7550     // offer at least as many elements as element buttons exist
7551     use_el_empty = TRUE;
7552     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
7553
7554     num_editor_elements += num_editor_el_empty;
7555   }
7556   else
7557   {
7558     num_editor_el_empty = 0;
7559   }
7560
7561   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
7562
7563   // fill element list
7564   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7565   {
7566     boolean found_inactive_cascade = FALSE;
7567
7568     if (*editor_elements_info[i].setup_value)
7569     {
7570       if (setup.editor.el_headlines)
7571       {
7572         // required for correct padding of palette headline buttons
7573         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
7574                              ED_ELEMENTLIST_COLS : 0);
7575
7576         for (j = 0; j < headline_size; j++)
7577         {
7578           // use empty elements for padding of palette headline buttons
7579           int element = (j < *editor_elements_info[i].headline_list_size ?
7580                          (*editor_elements_info[i].headline_list)[j] :
7581                          editor_el_empty[0]);
7582
7583           editor_elements[pos++] = element;
7584
7585           if (IS_EDITOR_CASCADE_INACTIVE(element))
7586             found_inactive_cascade = TRUE;
7587         }
7588       }
7589
7590       if (found_inactive_cascade)
7591         continue;
7592
7593       // required for correct padding of palette element buttons
7594       int element_list_size = *editor_elements_info[i].element_list_size;
7595       int element_rows =
7596         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7597       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7598
7599       // copy all elements from element list
7600       for (j = 0; j < element_list_size; j++)
7601         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
7602
7603       // use empty elements for padding of palette element buttons
7604       for (j = 0; j < element_buttons - element_list_size; j++)
7605         editor_elements[pos++] = editor_el_empty[0];
7606     }
7607   }
7608
7609   // (this function is also called before editor gadgets are initialized!)
7610   AdjustElementListScrollbar();
7611 }
7612
7613 void PrintEditorElementList(void)
7614 {
7615   boolean *stop = &setup_editor_el_user_defined;
7616   int i, j;
7617
7618   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
7619   {
7620     int cascade_element = (*editor_elements_info[i].headline_list)[0];
7621
7622     if (IS_EDITOR_CASCADE(cascade_element))
7623     {
7624       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
7625       char *headline = element_info[cascade_element_show].editor_description;
7626
7627       PrintLineWithPrefix("# ", "-", 77);
7628       Print("# %s\n", headline);
7629       PrintLineWithPrefix("# ", "-", 77);
7630     }
7631
7632     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7633     {
7634       int element = (*editor_elements_info[i].headline_list)[j];
7635
7636       if (IS_EDITOR_CASCADE(element))
7637         element = EL_CHAR_MINUS;
7638
7639       Print("# %s\n", element_info[element].token_name);
7640     }
7641
7642     if (j > 0)
7643       Print("#\n");
7644
7645     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7646     {
7647       int element = (*editor_elements_info[i].element_list)[j];
7648
7649       Print("# %s\n", element_info[element].token_name);
7650     }
7651
7652     if (j > 0)
7653       Print("#\n");
7654   }
7655 }
7656
7657 static void ReinitializeElementListButtons(void)
7658 {
7659   static boolean last_setup_value_headlines = FALSE;
7660   static boolean initialization_needed = TRUE;
7661   int i;
7662
7663   if (!initialization_needed)   // check if editor element setup has changed
7664   {
7665     if (last_setup_value_headlines != setup.editor.el_headlines)
7666       initialization_needed = TRUE;
7667
7668     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7669       if (editor_elements_info[i].last_setup_value !=
7670           *editor_elements_info[i].setup_value)
7671         initialization_needed = TRUE;
7672   }
7673
7674   if (!initialization_needed)
7675     return;
7676
7677   FreeLevelEditorGadgets();
7678   CreateLevelEditorGadgets();
7679
7680   // store current setup values for next invocation of this function
7681   last_setup_value_headlines = setup.editor.el_headlines;
7682   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7683     editor_elements_info[i].last_setup_value =
7684       *editor_elements_info[i].setup_value;
7685
7686   initialization_needed = FALSE;
7687 }
7688
7689 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7690                               boolean input)
7691 {
7692   int border_graphic =
7693     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7694   struct GraphicInfo *g = &graphic_info[border_graphic];
7695   Bitmap *src_bitmap = g->bitmap;
7696   int src_x = g->src_x;
7697   int src_y = g->src_y;
7698   int border_size = g->border_size;
7699   int border_xpos = g->width  - border_size;
7700   int border_ypos = g->height - border_size;
7701   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7702   int i;
7703
7704   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7705              border_size, border_size,
7706              dest_x - border_size, dest_y - border_size);
7707   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7708              border_size, border_size,
7709              dest_x + width, dest_y - border_size);
7710   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7711              border_size, border_size,
7712              dest_x - border_size, dest_y + height);
7713   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7714              border_size, border_size,
7715              dest_x + width, dest_y + height);
7716
7717   for (i = 0; i < width / tilesize; i++)
7718   {
7719     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7720                tilesize, border_size,
7721                dest_x + i * tilesize, dest_y - border_size);
7722     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7723                tilesize, border_size,
7724                dest_x + i * tilesize, dest_y + height);
7725   }
7726
7727   for (i = 0; i < height / tilesize; i++)
7728   {
7729     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7730                border_size, tilesize,
7731                dest_x - border_size, dest_y + i * tilesize);
7732     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7733                border_size, tilesize,
7734                dest_x + width, dest_y + i * tilesize);
7735   }
7736
7737   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7738 }
7739
7740 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7741 {
7742   int xsize_tile = MAX(ed_tilesize, xsize);
7743   int ysize_tile = MAX(ed_tilesize, ysize);
7744   int xsize_full = xsize + 1;
7745   int ysize_full = ysize + 1;
7746   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7747   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7748   Pixel line_color = getTabulatorBarColor();
7749
7750   if (line_color == BLACK_PIXEL)                // black => transparent
7751     return;
7752
7753   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7754   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7755   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7756 }
7757
7758 static void DrawEditorLevelBorderLinesIfNeeded(void)
7759 {
7760   int xsize = lev_fieldx * ed_tilesize;
7761   int ysize = lev_fieldy * ed_tilesize;
7762   int line_size = getTabulatorBarHeight();
7763
7764   if (!suppressBorderElement())
7765     return;
7766
7767   // draw little border line around editable level playfield
7768
7769   if (xsize < SXSIZE)
7770     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
7771
7772   if (ysize < SYSIZE)
7773     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
7774
7775   if (xsize < SXSIZE && ysize < SYSIZE)
7776     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
7777 }
7778
7779 static void DrawEditorElement(int x, int y, int element)
7780 {
7781   DrawSizedElement(x, y, element, ed_tilesize);
7782 }
7783
7784 static void DrawEditorElementThruMask(int x, int y, int element)
7785 {
7786   DrawSizedElementThruMask(x, y, element, ed_tilesize);
7787 }
7788
7789 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
7790 {
7791   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
7792 }
7793
7794 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
7795 {
7796   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
7797   DrawEditorLevelBorderLinesIfNeeded();
7798 }
7799
7800 static void DrawDrawingArea(int id)
7801 {
7802   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7803   int x, y;
7804
7805   int *value = drawingarea_info[id].value;
7806   int area_xsize = drawingarea_info[id].area_xsize;
7807   int area_ysize = drawingarea_info[id].area_ysize;
7808   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7809
7810   for (x = 0; x < area_xsize; x++)
7811   {
7812     for (y = 0; y < area_ysize; y++)
7813     {
7814       int element = value[x * area_ysize + y];
7815       int graphic;
7816       int frame;
7817
7818       getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7819
7820       DrawSizedGraphicExt(drawto,
7821                           gi->x + x * tilesize,
7822                           gi->y + y * tilesize,
7823                           graphic, frame, tilesize);
7824     }
7825   }
7826 }
7827
7828 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
7829 {
7830   int x, y;
7831   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
7832   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
7833
7834   BlitBitmap(drawto, drawto,
7835              SX + (dx == -1 ? ed_tilesize : 0),
7836              SY + (dy == -1 ? ed_tilesize : 0),
7837              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
7838              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
7839              SX + (dx == +1 ? ed_tilesize : 0),
7840              SY + (dy == +1 ? ed_tilesize : 0));
7841
7842   if (dx)
7843   {
7844     x = (dx == 1 ? 0 : ed_fieldx - 1);
7845     for (y = 0; y < ed_fieldy; y++)
7846       DrawEditorElementOrWall(x, y, from_x, from_y);
7847   }
7848   else if (dy)
7849   {
7850     y = (dy == 1 ? 0 : ed_fieldy - 1);
7851     for (x = 0; x < ed_fieldx; x++)
7852       DrawEditorElementOrWall(x, y, from_x, from_y);
7853   }
7854
7855   redraw_mask |= REDRAW_FIELD;
7856   BackToFront();
7857 }
7858
7859 static void getEditorGraphicAndFrame(int element, int *graphic, int *frame, boolean use_editor_gfx)
7860 {
7861   if (use_editor_gfx)
7862   {
7863     *graphic = el2edimg(element);
7864     *frame = 0;
7865   }
7866   else
7867   {
7868     *graphic = el2img(element);
7869     *frame = (ANIM_MODE(*graphic) == ANIM_CE_VALUE ?
7870               custom_element.ce_value_fixed_initial :
7871               ANIM_MODE(*graphic) == ANIM_CE_SCORE ?
7872               custom_element.collect_score_initial : FrameCounter);
7873   }
7874
7875   if (*graphic == IMG_UNKNOWN)
7876   {
7877     // no graphic defined -- if BD style, try to get runtime ("effect") element graphics
7878     // (normal BD style elements have graphics, but runtime ("effects") elements do not)
7879     int element_bd = map_element_RND_to_BD_cave(element);
7880
7881     if (element_bd != O_UNKNOWN)
7882     {
7883       struct GraphicInfo_BD *g_bd = &graphic_info_bd_object[element_bd][0];
7884
7885       *graphic = g_bd->graphic;
7886       *frame   = g_bd->frame;
7887     }
7888   }
7889 }
7890
7891 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7892                                    int *x, int *y)
7893 {
7894   int graphic;
7895   int frame;
7896
7897   getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7898
7899   getSizedGraphicSource(graphic, frame, tile_size, bitmap, x, y);
7900 }
7901
7902 static void CreateControlButtons(void)
7903 {
7904   struct GadgetInfo *gi;
7905   int i;
7906
7907   // create toolbox buttons
7908   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7909   {
7910     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7911     int id = controlbutton_info[i].gadget_id;
7912     int type = controlbutton_info[i].gadget_type;
7913     int graphic = controlbutton_info[i].graphic;
7914     struct XYTileSize *pos = controlbutton_info[i].pos;
7915     struct GraphicInfo *gd = &graphic_info[graphic];
7916     Bitmap *deco_bitmap = NULL;
7917     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7918     int tile_size = 0, deco_shift = 0;
7919     boolean deco_masked = FALSE;
7920     int gd_x1 = gd->src_x;
7921     int gd_y1 = gd->src_y;
7922     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7923     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7924     int gd_x1a = gd->src_x + gd->active_xoffset;
7925     int gd_y1a = gd->src_y + gd->active_yoffset;
7926     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7927     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7928     int x = pos->x;
7929     int y = pos->y;
7930     unsigned int event_mask;
7931     int radio_button_nr = RADIO_NR_NONE;
7932     boolean checked = FALSE;
7933
7934     if (type_id != i)
7935       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7936
7937     if (type == GD_TYPE_RADIO_BUTTON)
7938     {
7939       event_mask = GD_EVENT_PRESSED;
7940       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7941
7942       if (id == drawing_function)
7943         checked = TRUE;
7944     }
7945     else
7946     {
7947       if (id == GADGET_ID_WRAP_LEFT ||
7948           id == GADGET_ID_WRAP_RIGHT ||
7949           id == GADGET_ID_WRAP_UP ||
7950           id == GADGET_ID_WRAP_DOWN)
7951         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7952       else
7953         event_mask = GD_EVENT_RELEASED;
7954     }
7955
7956     if (id == GADGET_ID_PROPERTIES ||
7957         id == GADGET_ID_PALETTE)
7958     {
7959       x += DX;
7960       y += DY;
7961     }
7962     else if (id == GADGET_ID_ELEMENT_LEFT ||
7963              id == GADGET_ID_ELEMENT_MIDDLE ||
7964              id == GADGET_ID_ELEMENT_RIGHT)
7965     {
7966       x += DX;
7967       y += DY;
7968
7969       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7970                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7971                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7972
7973       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7974                                    editor.button.element_left.tile_size :
7975                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7976                                    editor.button.element_middle.tile_size :
7977                                    id == GADGET_ID_ELEMENT_RIGHT ?
7978                                    editor.button.element_right.tile_size : 0);
7979
7980       // make sure that decoration does not overlap gadget border
7981       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7982
7983       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7984
7985       deco_xpos = (gd->width  - tile_size) / 2;
7986       deco_ypos = (gd->height - tile_size) / 2;
7987       deco_shift = 1;
7988       deco_masked = gd->draw_masked;
7989     }
7990     else
7991     {
7992       x += EX;
7993       y += EY;
7994     }
7995
7996     gi = CreateGadget(GDI_CUSTOM_ID, id,
7997                       GDI_CUSTOM_TYPE_ID, type_id,
7998                       GDI_IMAGE_ID, graphic,
7999                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
8000                       GDI_X, x,
8001                       GDI_Y, y,
8002                       GDI_WIDTH, gd->width,
8003                       GDI_HEIGHT, gd->height,
8004                       GDI_TYPE, type,
8005                       GDI_STATE, GD_BUTTON_UNPRESSED,
8006                       GDI_RADIO_NR, radio_button_nr,
8007                       GDI_CHECKED, checked,
8008                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8009                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8010                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8011                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8012                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
8013                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
8014                       GDI_DECORATION_SIZE, tile_size, tile_size,
8015                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
8016                       GDI_DECORATION_MASKED, deco_masked,
8017                       GDI_EVENT_MASK, event_mask,
8018                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8019                       GDI_CALLBACK_ACTION, HandleControlButtons,
8020                       GDI_END);
8021
8022     if (gi == NULL)
8023       Fail("cannot create gadget");
8024
8025     level_editor_gadget[id] = gi;
8026   }
8027
8028   // these values are not constant, but can change at runtime
8029   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
8030   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
8031   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
8032   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
8033   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
8034   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
8035   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
8036   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
8037   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
8038   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
8039   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
8040   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
8041
8042   // create buttons for scrolling of drawing area and element list
8043   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
8044   {
8045     int id = scrollbutton_info[i].gadget_id;
8046     int type_id = scrollbutton_info[i].gadget_type_id;
8047     int graphic = scrollbutton_info[i].graphic;
8048     struct GraphicInfo *gd = &graphic_info[graphic];
8049     Bitmap *gd_bitmap = gd->bitmap;
8050     int gd_x1 = gd->src_x;
8051     int gd_y1 = gd->src_y;
8052     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8053     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8054     int width  = gd->width;
8055     int height = gd->height;
8056     int x = scrollbutton_pos[i].x;
8057     int y = scrollbutton_pos[i].y;
8058     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8059
8060     if (type_id != i)
8061       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
8062
8063     if (id == GADGET_ID_SCROLL_LIST_UP ||
8064         id == GADGET_ID_SCROLL_LIST_DOWN)
8065     {
8066       x += PX;
8067       y += PY;
8068     }
8069     else
8070     {
8071       x += SX;
8072       y += SY;
8073     }
8074
8075     gi = CreateGadget(GDI_CUSTOM_ID, id,
8076                       GDI_CUSTOM_TYPE_ID, type_id,
8077                       GDI_IMAGE_ID, graphic,
8078                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
8079                       GDI_X, x,
8080                       GDI_Y, y,
8081                       GDI_WIDTH, width,
8082                       GDI_HEIGHT, height,
8083                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8084                       GDI_STATE, GD_BUTTON_UNPRESSED,
8085                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
8086                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
8087                       GDI_EVENT_MASK, event_mask,
8088                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8089                       GDI_CALLBACK_ACTION, HandleControlButtons,
8090                       GDI_END);
8091
8092     if (gi == NULL)
8093       Fail("cannot create gadget");
8094
8095     level_editor_gadget[id] = gi;
8096   }
8097
8098   // create buttons for element list
8099   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8100   {
8101     int type_id = i;
8102     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
8103     int graphic = IMG_EDITOR_PALETTE_BUTTON;
8104     struct GraphicInfo *gd = &graphic_info[graphic];
8105     Bitmap *gd_bitmap = gd->bitmap;
8106     Bitmap *deco_bitmap;
8107     int deco_x, deco_y, deco_xpos, deco_ypos;
8108     int gd_x1 = gd->src_x;
8109     int gd_y1 = gd->src_y;
8110     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8111     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8112     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
8113     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
8114     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
8115     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
8116     int element = editor_elements[i];
8117     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8118     unsigned int event_mask = GD_EVENT_RELEASED;
8119
8120     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8121
8122     deco_xpos = (gd->width  - tile_size) / 2;
8123     deco_ypos = (gd->height - tile_size) / 2;
8124
8125     gi = CreateGadget(GDI_CUSTOM_ID, id,
8126                       GDI_CUSTOM_TYPE_ID, type_id,
8127                       GDI_IMAGE_ID, graphic,
8128                       GDI_INFO_TEXT, getElementInfoText(element),
8129                       GDI_X, x,
8130                       GDI_Y, y,
8131                       GDI_WIDTH, gd->width,
8132                       GDI_HEIGHT, gd->height,
8133                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8134                       GDI_STATE, GD_BUTTON_UNPRESSED,
8135                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
8136                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
8137                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
8138                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
8139                       GDI_DECORATION_SIZE, tile_size, tile_size,
8140                       GDI_DECORATION_SHIFTING, 1, 1,
8141                       GDI_EVENT_MASK, event_mask,
8142                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8143                       GDI_CALLBACK_ACTION, HandleControlButtons,
8144                       GDI_END);
8145
8146     if (gi == NULL)
8147       Fail("cannot create gadget");
8148
8149     level_editor_gadget[id] = gi;
8150   }
8151 }
8152
8153 static void CreateCounterButtons(void)
8154 {
8155   int max_infotext_len = getMaxInfoTextLength();
8156   int i;
8157
8158   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
8159   {
8160     int type_id = counterbutton_info[i].gadget_type_id;
8161     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
8162     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
8163     int j;
8164
8165     if (type_id != i)
8166       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
8167
8168     // determine horizontal position to the right of specified gadget
8169     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8170       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
8171            ED_GADGET_TEXT_DISTANCE);
8172
8173     // determine horizontal offset for leading text
8174     if (counterbutton_info[i].text_left != NULL)
8175       x += getTextWidthForGadget(counterbutton_info[i].text_left);
8176
8177     for (j = 0; j < 2; j++)
8178     {
8179       struct GadgetInfo *gi;
8180       int id = (j == 0 ?
8181                 counterbutton_info[i].gadget_id_down :
8182                 counterbutton_info[i].gadget_id_up);
8183       int graphic;
8184       struct GraphicInfo *gd;
8185       int gd_x1, gd_x2, gd_y1, gd_y2;
8186       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8187       char infotext[max_infotext_len + 1];
8188
8189       if (i == ED_COUNTER_ID_SELECT_LEVEL)
8190       {
8191         graphic = (j == 0 ?
8192                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
8193                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
8194
8195         event_mask |= GD_EVENT_RELEASED;
8196
8197         if (j == 0)
8198         {
8199           x = DX + editor.button.prev_level.x;
8200           y = DY + editor.button.prev_level.y;
8201         }
8202         else
8203         {
8204           x = DX + editor.button.next_level.x;
8205           y = DY + editor.button.next_level.y;
8206         }
8207       }
8208       else
8209       {
8210         graphic = (j == 0 ?
8211                    IMG_EDITOR_COUNTER_DOWN :
8212                    IMG_EDITOR_COUNTER_UP);
8213       }
8214
8215       gd = &graphic_info[graphic];
8216
8217       gd_x1 = gd->src_x;
8218       gd_y1 = gd->src_y;
8219       gd_x2 = gd->src_x + gd->pressed_xoffset;
8220       gd_y2 = gd->src_y + gd->pressed_yoffset;
8221
8222       sprintf(infotext, "%s counter value by 1, 5 or 10",
8223               (j == 0 ? "Decrease" : "Increase"));
8224
8225       gi = CreateGadget(GDI_CUSTOM_ID, id,
8226                         GDI_CUSTOM_TYPE_ID, type_id,
8227                         GDI_IMAGE_ID, graphic,
8228                         GDI_INFO_TEXT, infotext,
8229                         GDI_X, x,
8230                         GDI_Y, y,
8231                         GDI_WIDTH, gd->width,
8232                         GDI_HEIGHT, gd->height,
8233                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8234                         GDI_STATE, GD_BUTTON_UNPRESSED,
8235                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8236                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8237                         GDI_EVENT_MASK, event_mask,
8238                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8239                         GDI_CALLBACK_ACTION, HandleCounterButtons,
8240                         GDI_END);
8241
8242       if (gi == NULL)
8243         Fail("cannot create gadget");
8244
8245       level_editor_gadget[id] = gi;
8246       right_gadget_border[id] =
8247         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
8248
8249       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
8250
8251       if (j == 0)
8252       {
8253         int font_type = FONT_INPUT_1;
8254         int font_type_active = FONT_INPUT_1_ACTIVE;
8255
8256         id = counterbutton_info[i].gadget_id_text;
8257
8258         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8259
8260         if (i == ED_COUNTER_ID_SELECT_LEVEL)
8261         {
8262           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
8263
8264           font_type = FONT_LEVEL_NUMBER;
8265           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
8266
8267           x = DX + editor.input.level_number.x;
8268           y = DY + editor.input.level_number.y;
8269         }
8270         else
8271         {
8272           graphic = IMG_EDITOR_COUNTER_INPUT;
8273         }
8274
8275         gd = &graphic_info[graphic];
8276
8277         gd_x1 = gd->src_x;
8278         gd_y1 = gd->src_y;
8279         gd_x2 = gd->src_x + gd->active_xoffset;
8280         gd_y2 = gd->src_y + gd->active_yoffset;
8281
8282         gi = CreateGadget(GDI_CUSTOM_ID, id,
8283                           GDI_CUSTOM_TYPE_ID, type_id,
8284                           GDI_IMAGE_ID, graphic,
8285                           GDI_INFO_TEXT, "Enter counter value",
8286                           GDI_X, x,
8287                           GDI_Y, y,
8288                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
8289                           GDI_NUMBER_VALUE, 0,
8290                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
8291                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
8292                           GDI_TEXT_SIZE, 3,     // minimal counter text size
8293                           GDI_TEXT_FONT, font_type,
8294                           GDI_TEXT_FONT_ACTIVE, font_type_active,
8295                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8296                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8297                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8298                           GDI_DESIGN_WIDTH, gd->width,
8299                           GDI_EVENT_MASK, event_mask,
8300                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8301                           GDI_CALLBACK_ACTION, HandleCounterButtons,
8302                           GDI_END);
8303
8304         if (gi == NULL)
8305           Fail("cannot create gadget");
8306
8307         level_editor_gadget[id] = gi;
8308         right_gadget_border[id] =
8309           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
8310
8311         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
8312       }
8313     }
8314   }
8315 }
8316
8317 static void CreateDrawingAreas(void)
8318 {
8319   int i;
8320
8321   // these values are not constant, but can change at runtime
8322   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
8323   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
8324
8325   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8326   {
8327     struct GadgetInfo *gi;
8328     int id = drawingarea_info[i].gadget_id;
8329     int type_id = drawingarea_info[i].gadget_type_id;
8330     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
8331     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
8332     int area_xsize = drawingarea_info[i].area_xsize;
8333     int area_ysize = drawingarea_info[i].area_ysize;
8334     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
8335                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
8336     unsigned int event_mask =
8337       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
8338       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
8339
8340     if (type_id != i)
8341       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
8342
8343     // determine horizontal position to the right of specified gadget
8344     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
8345       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
8346            ED_DRAWINGAREA_TEXT_DISTANCE);
8347
8348     // determine horizontal offset for leading text
8349     if (drawingarea_info[i].text_left != NULL)
8350       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
8351
8352     gi = CreateGadget(GDI_CUSTOM_ID, id,
8353                       GDI_CUSTOM_TYPE_ID, type_id,
8354                       GDI_X, x,
8355                       GDI_Y, y,
8356                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
8357                       GDI_AREA_SIZE, area_xsize, area_ysize,
8358                       GDI_ITEM_SIZE, item_size, item_size,
8359                       GDI_EVENT_MASK, event_mask,
8360                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
8361                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
8362                       GDI_END);
8363
8364     if (gi == NULL)
8365       Fail("cannot create gadget");
8366
8367     level_editor_gadget[id] = gi;
8368     right_gadget_border[id] =
8369       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
8370   }
8371 }
8372
8373 static void CreateTextInputGadgets(void)
8374 {
8375   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
8376   int max_infotext_len = getMaxInfoTextLength();
8377   int i;
8378
8379   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
8380   {
8381     int gd_x1 = gd->src_x;
8382     int gd_y1 = gd->src_y;
8383     int gd_x2 = gd->src_x + gd->active_xoffset;
8384     int gd_y2 = gd->src_y + gd->active_yoffset;
8385     struct GadgetInfo *gi;
8386     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8387     char infotext[MAX_OUTPUT_LINESIZE + 1];
8388     int id = textinput_info[i].gadget_id;
8389     int type_id = textinput_info[i].gadget_type_id;
8390     int x, y;
8391
8392     if (type_id != i)
8393       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
8394
8395     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
8396     {
8397       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
8398       int border_size = gd->border_size;
8399       int font_nr = FONT_INPUT_1;
8400       int font_height = getFontHeight(font_nr);
8401       int xoffset = element_border + TILEX + element_border + 3 * border_size;
8402       int yoffset = element_border + (TILEY - font_height) / 2;
8403
8404       x = (editor.settings.element_name.x != -1 ?
8405            editor.settings.element_name.x :
8406            editor.settings.element_graphic.x + xoffset) - border_size;
8407       y = (editor.settings.element_name.y != -1 ?
8408            editor.settings.element_name.y :
8409            editor.settings.element_graphic.y + yoffset) - border_size;
8410     }
8411     else
8412     {
8413       x = ED_SETTINGS_X(textinput_info[i].x);
8414       y = ED_SETTINGS_Y(textinput_info[i].y);
8415     }
8416
8417     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
8418     infotext[max_infotext_len] = '\0';
8419
8420     gi = CreateGadget(GDI_CUSTOM_ID, id,
8421                       GDI_CUSTOM_TYPE_ID, type_id,
8422                       GDI_INFO_TEXT, infotext,
8423                       GDI_X, SX + x,
8424                       GDI_Y, SY + y,
8425                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8426                       GDI_TEXT_VALUE, textinput_info[i].value,
8427                       GDI_TEXT_SIZE, textinput_info[i].size,
8428                       GDI_TEXT_FONT, FONT_INPUT_1,
8429                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8430                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8431                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8432                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8433                       GDI_DESIGN_WIDTH, gd->width,
8434                       GDI_EVENT_MASK, event_mask,
8435                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8436                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
8437                       GDI_END);
8438
8439     if (gi == NULL)
8440       Fail("cannot create gadget");
8441
8442     level_editor_gadget[id] = gi;
8443   }
8444 }
8445
8446 static void CreateTextAreaGadgets(void)
8447 {
8448   int max_infotext_len = getMaxInfoTextLength();
8449   int i;
8450
8451   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
8452   {
8453     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
8454     int gd_x1 = gd->src_x;
8455     int gd_y1 = gd->src_y;
8456     int gd_x2 = gd->src_x + gd->active_xoffset;
8457     int gd_y2 = gd->src_y + gd->active_yoffset;
8458     struct GadgetInfo *gi;
8459     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
8460     char infotext[MAX_OUTPUT_LINESIZE + 1];
8461     int id = textarea_info[i].gadget_id;
8462     int type_id = textarea_info[i].gadget_type_id;
8463     int area_xsize = textarea_info[i].xsize;
8464     int area_ysize = textarea_info[i].ysize;
8465
8466     if (type_id != i)
8467       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
8468
8469     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
8470     infotext[max_infotext_len] = '\0';
8471
8472     gi = CreateGadget(GDI_CUSTOM_ID, id,
8473                       GDI_CUSTOM_TYPE_ID, type_id,
8474                       GDI_INFO_TEXT, infotext,
8475                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
8476                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
8477                       GDI_TYPE, GD_TYPE_TEXT_AREA,
8478                       GDI_AREA_SIZE, area_xsize, area_ysize,
8479                       GDI_TEXT_FONT, FONT_INPUT_1,
8480                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8481                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8482                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8483                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8484                       GDI_DESIGN_WIDTH, gd->width,
8485                       GDI_EVENT_MASK, event_mask,
8486                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8487                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
8488                       GDI_END);
8489
8490     if (gi == NULL)
8491       Fail("cannot create gadget");
8492
8493     level_editor_gadget[id] = gi;
8494   }
8495 }
8496
8497 static void CreateSelectboxGadgets(void)
8498 {
8499   int max_infotext_len = getMaxInfoTextLength();
8500
8501   int i, j;
8502
8503   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8504   {
8505     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
8506     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
8507     int gd_x1 = gd->src_x;
8508     int gd_y1 = gd->src_y;
8509     int gd_x2 = gd->src_x + gd->active_xoffset;
8510     int gd_y2 = gd->src_y + gd->active_yoffset;
8511     int selectbox_button_xsize = gd2->width;
8512     struct GadgetInfo *gi;
8513     char infotext[MAX_OUTPUT_LINESIZE + 1];
8514     int id = selectbox_info[i].gadget_id;
8515     int type_id = selectbox_info[i].gadget_type_id;
8516     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
8517     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
8518     unsigned int event_mask =
8519       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8520
8521     if (type_id != i)
8522       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
8523
8524     if (selectbox_info[i].size == -1)   // dynamically determine size
8525     {
8526       // (we cannot use -1 for uninitialized values if we directly compare
8527       // with results from strlen(), because the '<' and '>' operation will
8528       // implicitely cast -1 to an unsigned integer value!)
8529       selectbox_info[i].size = 0;
8530
8531       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
8532         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
8533           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
8534
8535       selectbox_info[i].size++;         // add one character empty space
8536     }
8537
8538     // determine horizontal position to the right of specified gadget
8539     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
8540       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
8541            ED_GADGET_TEXT_DISTANCE);
8542
8543     // determine horizontal offset for leading text
8544     if (selectbox_info[i].text_left != NULL)
8545       x += getTextWidthForGadget(selectbox_info[i].text_left);
8546
8547     sprintf(infotext, "%s", selectbox_info[i].infotext);
8548     infotext[max_infotext_len] = '\0';
8549
8550     gi = CreateGadget(GDI_CUSTOM_ID, id,
8551                       GDI_CUSTOM_TYPE_ID, type_id,
8552                       GDI_INFO_TEXT, infotext,
8553                       GDI_X, x,
8554                       GDI_Y, y,
8555                       GDI_TYPE, GD_TYPE_SELECTBOX,
8556                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
8557                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
8558                       GDI_TEXT_SIZE, selectbox_info[i].size,
8559                       GDI_TEXT_FONT, FONT_INPUT_1,
8560                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8561                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
8562                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8563                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8564                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8565                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
8566                       GDI_DESIGN_WIDTH, gd->width,
8567                       GDI_EVENT_MASK, event_mask,
8568                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8569                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
8570                       GDI_END);
8571
8572     if (gi == NULL)
8573       Fail("cannot create gadget");
8574
8575     level_editor_gadget[id] = gi;
8576     right_gadget_border[id] =
8577       getRightGadgetBorder(gi, selectbox_info[i].text_right);
8578   }
8579 }
8580
8581 static void CreateTextbuttonGadgets(void)
8582 {
8583   int max_infotext_len = getMaxInfoTextLength();
8584   int i;
8585
8586   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
8587   {
8588     int id = textbutton_info[i].gadget_id;
8589     int type_id = textbutton_info[i].gadget_type_id;
8590     int is_tab_button =
8591       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
8592        (id >= GADGET_ID_ENGINECONFIG_CONFIG && id <= GADGET_ID_ENGINECONFIG_COLORS) ||
8593        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
8594     int graphic =
8595       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
8596     int gadget_distance =
8597       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
8598     struct GraphicInfo *gd = &graphic_info[graphic];
8599     int gd_x1 = gd->src_x;
8600     int gd_y1 = gd->src_y;
8601     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8602     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8603     int gd_x1a = gd->src_x + gd->active_xoffset;
8604     int gd_y1a = gd->src_y + gd->active_yoffset;
8605     int border_xsize = gd->border_size + gd->draw_xoffset;
8606     int border_ysize = gd->border_size;
8607     struct GadgetInfo *gi;
8608     unsigned int event_mask = GD_EVENT_RELEASED;
8609     char infotext[MAX_OUTPUT_LINESIZE + 1];
8610     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
8611     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
8612
8613     if (type_id != i)
8614       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
8615
8616     if (textbutton_info[i].size == -1)  // dynamically determine size
8617       textbutton_info[i].size = strlen(textbutton_info[i].text);
8618
8619     sprintf(infotext, "%s", textbutton_info[i].infotext);
8620     infotext[max_infotext_len] = '\0';
8621
8622     // determine horizontal position to the right of specified gadget
8623     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8624     {
8625       int gadget_id_align = textbutton_info[i].gadget_id_align;
8626
8627       x = right_gadget_border[gadget_id_align] + gadget_distance;
8628
8629       if (textbutton_info[i].y == -1)
8630         y = level_editor_gadget[gadget_id_align]->y;
8631     }
8632
8633     // determine horizontal offset for leading text
8634     if (textbutton_info[i].text_left != NULL)
8635       x += getTextWidthForGadget(textbutton_info[i].text_left);
8636
8637     gi = CreateGadget(GDI_CUSTOM_ID, id,
8638                       GDI_CUSTOM_TYPE_ID, type_id,
8639                       GDI_IMAGE_ID, graphic,
8640                       GDI_INFO_TEXT, infotext,
8641                       GDI_X, x,
8642                       GDI_Y, y,
8643                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
8644                       GDI_TEXT_VALUE, textbutton_info[i].text,
8645                       GDI_TEXT_SIZE, textbutton_info[i].size,
8646                       GDI_TEXT_FONT, FONT_INPUT_2,
8647                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
8648                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8649                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8650                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8651                       GDI_BORDER_SIZE, border_xsize, border_ysize,
8652                       GDI_DESIGN_WIDTH, gd->width,
8653                       GDI_DECORATION_SHIFTING, 1, 1,
8654                       GDI_EVENT_MASK, event_mask,
8655                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8656                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
8657                       GDI_END);
8658
8659     if (gi == NULL)
8660       Fail("cannot create gadget");
8661
8662     level_editor_gadget[id] = gi;
8663     right_gadget_border[id] =
8664       getRightGadgetBorder(gi, textbutton_info[i].text_right);
8665   }
8666 }
8667
8668 static void CreateGraphicbuttonGadgets(void)
8669 {
8670   struct GadgetInfo *gi;
8671   int i;
8672
8673   // create buttons for scrolling of drawing area and element list
8674   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
8675   {
8676     int id = graphicbutton_info[i].gadget_id;
8677     int type_id = graphicbutton_info[i].gadget_type_id;
8678     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
8679     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
8680     int graphic = graphicbutton_info[i].graphic;
8681     struct GraphicInfo *gd = &graphic_info[graphic];
8682     int gd_x1 = gd->src_x;
8683     int gd_y1 = gd->src_y;
8684     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8685     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8686     unsigned int event_mask = GD_EVENT_RELEASED;
8687
8688     if (type_id != i)
8689       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
8690
8691     // determine horizontal position to the right of specified gadget
8692     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8693       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
8694            ED_GADGET_TEXT_DISTANCE);
8695
8696     // determine horizontal offset for leading text
8697     if (graphicbutton_info[i].text_left != NULL)
8698       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8699
8700     gi = CreateGadget(GDI_CUSTOM_ID, id,
8701                       GDI_CUSTOM_TYPE_ID, type_id,
8702                       GDI_IMAGE_ID, graphic,
8703                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8704                       GDI_X, x,
8705                       GDI_Y, y,
8706                       GDI_WIDTH, gd->width,
8707                       GDI_HEIGHT, gd->height,
8708                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8709                       GDI_STATE, GD_BUTTON_UNPRESSED,
8710                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8711                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8712                       GDI_EVENT_MASK, event_mask,
8713                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8714                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8715                       GDI_END);
8716
8717     if (gi == NULL)
8718       Fail("cannot create gadget");
8719
8720     level_editor_gadget[id] = gi;
8721     right_gadget_border[id] =
8722       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8723   }
8724 }
8725
8726 static void CreateScrollbarGadgets(void)
8727 {
8728   int i;
8729
8730   // these values are not constant, but can change at runtime
8731   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8732     SX + ED_SCROLL_HORIZONTAL_XPOS;
8733   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8734     SY + ED_SCROLL_HORIZONTAL_YPOS;
8735   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8736     ED_SCROLL_HORIZONTAL_XSIZE;
8737   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8738     ED_SCROLL_HORIZONTAL_YSIZE;
8739   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8740   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8741   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8742   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8743
8744   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8745     SX + ED_SCROLL_VERTICAL_XPOS;
8746   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8747     SY + ED_SCROLL_VERTICAL_YPOS;
8748   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8749     ED_SCROLL_VERTICAL_XSIZE;
8750   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8751     ED_SCROLL_VERTICAL_YSIZE;
8752   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8753   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8754   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8755   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8756
8757   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8758     PX + ED_SCROLL2_VERTICAL_XPOS;
8759   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8760     PY + ED_SCROLL2_VERTICAL_YPOS;
8761   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8762     ED_SCROLL2_VERTICAL_XSIZE;
8763   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8764     ED_SCROLL2_VERTICAL_YSIZE;
8765   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8766   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8767   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8768   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8769
8770   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8771   {
8772     int id = scrollbar_info[i].gadget_id;
8773     int type_id = scrollbar_info[i].gadget_type_id;
8774     int graphic = scrollbar_info[i].graphic;
8775     struct GraphicInfo *gd = &graphic_info[graphic];
8776     int gd_x1 = gd->src_x;
8777     int gd_y1 = gd->src_y;
8778     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8779     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8780     struct GadgetInfo *gi;
8781     int items_max, items_visible, item_position;
8782     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8783
8784     if (type_id != i)
8785       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8786
8787     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8788     {
8789       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8790       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8791       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8792     }
8793     else        // drawing area scrollbars
8794     {
8795       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8796       {
8797         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8798         items_visible = ed_fieldx;
8799         item_position = 0;
8800       }
8801       else
8802       {
8803         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8804         items_visible = ed_fieldy;
8805         item_position = 0;
8806       }
8807     }
8808
8809     gi = CreateGadget(GDI_CUSTOM_ID, id,
8810                       GDI_CUSTOM_TYPE_ID, type_id,
8811                       GDI_IMAGE_ID, graphic,
8812                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8813                       GDI_X, scrollbar_pos[i].x,
8814                       GDI_Y, scrollbar_pos[i].y,
8815                       GDI_WIDTH, scrollbar_pos[i].width,
8816                       GDI_HEIGHT, scrollbar_pos[i].height,
8817                       GDI_TYPE, scrollbar_info[i].type,
8818                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8819                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8820                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8821                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8822                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8823                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8824                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8825                       GDI_STATE, GD_BUTTON_UNPRESSED,
8826                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8827                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8828                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8829                       GDI_EVENT_MASK, event_mask,
8830                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8831                       GDI_CALLBACK_ACTION, HandleControlButtons,
8832                       GDI_END);
8833
8834     if (gi == NULL)
8835       Fail("cannot create gadget");
8836
8837     level_editor_gadget[id] = gi;
8838   }
8839 }
8840
8841 static void CreateCheckbuttonGadgets(void)
8842 {
8843   struct GadgetInfo *gi;
8844   int i;
8845
8846   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8847   {
8848     int id = checkbutton_info[i].gadget_id;
8849     int type_id = checkbutton_info[i].gadget_type_id;
8850     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8851                    IMG_EDITOR_CHECKBOX);
8852     struct GraphicInfo *gd = &graphic_info[graphic];
8853     int gd_x1 = gd->src_x;
8854     int gd_y1 = gd->src_y;
8855     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8856     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8857     int gd_x1a = gd->src_x + gd->active_xoffset;
8858     int gd_y1a = gd->src_y + gd->active_yoffset;
8859     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8860     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8861     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8862     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8863     unsigned int event_mask = GD_EVENT_PRESSED;
8864
8865     if (type_id != i)
8866       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8867
8868     // determine horizontal position to the right of specified gadget
8869     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8870       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8871            ED_GADGET_TEXT_DISTANCE);
8872
8873     // determine horizontal offset for leading text
8874     if (checkbutton_info[i].text_left != NULL)
8875       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8876
8877     gi = CreateGadget(GDI_CUSTOM_ID, id,
8878                       GDI_CUSTOM_TYPE_ID, type_id,
8879                       GDI_IMAGE_ID, graphic,
8880                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8881                       GDI_X, x,
8882                       GDI_Y, y,
8883                       GDI_WIDTH, gd->width,
8884                       GDI_HEIGHT, gd->height,
8885                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8886                       GDI_CHECKED, *checkbutton_info[i].value,
8887                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8888                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8889                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8890                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8891                       GDI_EVENT_MASK, event_mask,
8892                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8893                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8894                       GDI_END);
8895
8896     if (gi == NULL)
8897       Fail("cannot create gadget");
8898
8899     level_editor_gadget[id] = gi;
8900     right_gadget_border[id] =
8901       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8902   }
8903 }
8904
8905 static void CreateRadiobuttonGadgets(void)
8906 {
8907   int graphic = IMG_EDITOR_RADIOBUTTON;
8908   struct GraphicInfo *gd = &graphic_info[graphic];
8909   int gd_x1 = gd->src_x;
8910   int gd_y1 = gd->src_y;
8911   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8912   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8913   int gd_x1a = gd->src_x + gd->active_xoffset;
8914   int gd_y1a = gd->src_y + gd->active_yoffset;
8915   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8916   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8917   struct GadgetInfo *gi;
8918   int i;
8919
8920   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8921   {
8922     int id = radiobutton_info[i].gadget_id;
8923     int type_id = radiobutton_info[i].gadget_type_id;
8924     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8925     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8926     unsigned int event_mask = GD_EVENT_PRESSED;
8927
8928     if (type_id != i)
8929       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8930
8931     int checked =
8932       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8933
8934     // determine horizontal position to the right of specified gadget
8935     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8936       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8937            ED_GADGET_TEXT_DISTANCE);
8938
8939     // determine horizontal offset for leading text
8940     if (radiobutton_info[i].text_left != NULL)
8941       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8942
8943     gi = CreateGadget(GDI_CUSTOM_ID, id,
8944                       GDI_CUSTOM_TYPE_ID, type_id,
8945                       GDI_IMAGE_ID, graphic,
8946                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8947                       GDI_X, x,
8948                       GDI_Y, y,
8949                       GDI_WIDTH, gd->width,
8950                       GDI_HEIGHT, gd->height,
8951                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8952                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8953                       GDI_CHECKED, checked,
8954                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8955                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8956                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8957                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8958                       GDI_EVENT_MASK, event_mask,
8959                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8960                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8961                       GDI_END);
8962
8963     if (gi == NULL)
8964       Fail("cannot create gadget");
8965
8966     level_editor_gadget[id] = gi;
8967     right_gadget_border[id] =
8968       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8969   }
8970 }
8971
8972 void CreateLevelEditorGadgets(void)
8973 {
8974   // force EDITOR font inside level editor
8975   SetFontStatus(GAME_MODE_EDITOR);
8976
8977   // these values are not constant, but can change at runtime
8978   ed_fieldx = MAX_ED_FIELDX - 1;
8979   ed_fieldy = MAX_ED_FIELDY - 1;
8980
8981   num_editor_gadgets = NUM_EDITOR_GADGETS;
8982
8983   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8984
8985   level_editor_gadget =
8986     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8987   right_gadget_border =
8988     checked_calloc(num_editor_gadgets * sizeof(int));
8989
8990   // set number of empty (padding) element buttons to maximum number of buttons
8991   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8992
8993   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8994   editor_el_empty_ptr = editor_el_empty;
8995
8996   use_permanent_palette = !editor.palette.show_as_separate_screen;
8997
8998   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8999
9000   ReinitializeElementList();
9001
9002   CreateControlButtons();
9003   CreateScrollbarGadgets();
9004
9005   // order of function calls is important because of cross-references
9006   CreateCheckbuttonGadgets();
9007   CreateCounterButtons();
9008   CreateRadiobuttonGadgets();
9009   CreateTextInputGadgets();
9010   CreateTextAreaGadgets();
9011   CreateSelectboxGadgets();
9012   CreateGraphicbuttonGadgets();
9013   CreateTextbuttonGadgets();
9014   CreateDrawingAreas();
9015
9016   ResetFontStatus();
9017 }
9018
9019 void FreeLevelEditorGadgets(void)
9020 {
9021   int i;
9022
9023   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
9024
9025   for (i = 0; i < num_editor_gadgets; i++)
9026   {
9027     FreeGadget(level_editor_gadget[i]);
9028
9029     level_editor_gadget[i] = NULL;
9030   }
9031
9032   checked_free(level_editor_gadget);
9033   checked_free(right_gadget_border);
9034
9035   checked_free(editor_el_empty);
9036 }
9037
9038 static void MapCounterButtons(int id)
9039 {
9040   int font_nr = FONT_TEXT_1;
9041   int font_height = getFontHeight(font_nr);
9042   int gadget_id_down = counterbutton_info[id].gadget_id_down;
9043   int gadget_id_text = counterbutton_info[id].gadget_id_text;
9044   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
9045   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
9046   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
9047   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
9048   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
9049   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9050   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9051   int yoffset = (gi_down->height - font_height) / 2;
9052   int x_left = gi_down->x - xoffset_left;
9053   int x_right;  // set after gadget position was modified
9054   int y_above = gi_down->y - yoffset_above;
9055   int x = gi_down->x;
9056   int y;        // set after gadget position was modified
9057
9058   // counter limits must be changed first to prevent value truncation
9059   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
9060                             counterbutton_info[id].max_value);
9061
9062   // right text position might have changed after setting position above
9063   x_right = gi_up->x + gi_up->width + xoffset_right;
9064
9065   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
9066
9067   // set position for counter gadgets with dynamically determined position
9068   if (id != ED_COUNTER_ID_SELECT_LEVEL)
9069   {
9070     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9071     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9072     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
9073   }
9074
9075   // vertical position might have changed after setting position above
9076   y = gi_up->y + yoffset;
9077
9078   if (counterbutton_info[id].text_above)
9079     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
9080
9081   if (counterbutton_info[id].text_left)
9082     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
9083
9084   if (counterbutton_info[id].text_right)
9085     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
9086
9087   MapGadget(gi_down);
9088   MapGadget(gi_text);
9089   MapGadget(gi_up);
9090 }
9091
9092 static void MapControlButtons(void)
9093 {
9094   int counter_id;
9095   int i;
9096
9097   // map toolbox buttons (excluding special CE toolbox buttons)
9098   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
9099     MapGadget(level_editor_gadget[i]);
9100
9101   // map toolbox buttons (element properties buttons)
9102   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
9103     MapGadget(level_editor_gadget[i]);
9104
9105   if (use_permanent_palette)
9106   {
9107     // map buttons to select elements
9108     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9109       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
9110     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
9111     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
9112     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
9113   }
9114
9115   // map buttons to select level
9116   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
9117   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
9118   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
9119   MapCounterButtons(counter_id);
9120 }
9121
9122 static void MapDrawingArea(int id)
9123 {
9124   int font_nr = FONT_TEXT_1;
9125   int font_height = getFontHeight(font_nr);
9126   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9127   int area_xsize = gi->drawing.area_xsize;
9128   int area_ysize = gi->drawing.area_ysize;
9129   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9130   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
9131   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
9132   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
9133   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
9134   int x_below = gi->x + (gi->width - xoffset_below) / 2;
9135   int y_side  = gi->y + (gi->height - font_height) / 2;
9136   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
9137   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
9138
9139   if (drawingarea_info[id].text_left)
9140     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
9141
9142   if (drawingarea_info[id].text_right)
9143     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
9144
9145   if (drawingarea_info[id].text_above)
9146     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
9147
9148   if (drawingarea_info[id].text_below)
9149     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
9150
9151   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
9152   {
9153     DrawElementBorder(gi->x, gi->y,
9154                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
9155                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
9156
9157     DrawDrawingArea(id);
9158   }
9159
9160   MapGadget(gi);
9161 }
9162
9163 static void MapTextInputGadget(int id)
9164 {
9165   int font_nr = FONT_TEXT_1;
9166   int font_height = getFontHeight(font_nr);
9167   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
9168   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9169   int x_above = ED_SETTINGS_X(textinput_info[id].x);
9170   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
9171
9172   if (textinput_info[id].text_above)
9173     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
9174
9175   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
9176
9177   MapGadget(gi);
9178 }
9179
9180 static void MapTextAreaGadget(int id)
9181 {
9182   int font_nr = FONT_TEXT_1;
9183   int font_height = getFontHeight(font_nr);
9184   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9185   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9186   int x_above = ED_SETTINGS_X(textarea_info[id].x);
9187   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
9188   char *text_above = textarea_info[id].text_above;
9189
9190   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
9191     text_above = textarea_info[id].text_above_cropped;
9192
9193   if (text_above)
9194     DrawTextS(x_above, y_above, font_nr, text_above);
9195
9196   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
9197
9198   MapGadget(gi);
9199 }
9200
9201 static void MapSelectboxGadget(int id)
9202 {
9203   int font_nr = FONT_TEXT_1;
9204   int font_height = getFontHeight(font_nr);
9205   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
9206   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
9207   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9208   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9209   int yoffset = (gi->height - font_height) / 2;
9210   int x_left = gi->x - xoffset_left;
9211   int x_right = gi->x + gi->width + xoffset_right;
9212   int y_above = gi->y - yoffset_above;
9213   int x = gi->x;
9214   int y = gi->y + yoffset;
9215
9216   if (selectbox_info[id].text_above)
9217     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
9218
9219   if (selectbox_info[id].text_left)
9220     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
9221
9222   if (selectbox_info[id].text_right)
9223     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
9224
9225   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
9226
9227   MapGadget(gi);
9228 }
9229
9230 static void MapTextbuttonGadget(int id)
9231 {
9232   int font_nr = FONT_TEXT_1;
9233   int font_height = getFontHeight(font_nr);
9234   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
9235   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
9236   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9237   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9238   int yoffset = (gi->height - font_height) / 2;
9239   int x_left = gi->x - xoffset_left;
9240   int x_right = gi->x + gi->width + xoffset_right;
9241   int y_above = gi->y - yoffset_above;
9242   int x = gi->x;
9243   int y = gi->y + yoffset;
9244
9245   // only show button to delete change pages when more than minimum pages
9246   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
9247       custom_element.num_change_pages == MIN_CHANGE_PAGES)
9248     return;
9249
9250   if (textbutton_info[id].text_above)
9251     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
9252
9253   if (textbutton_info[id].text_left)
9254     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
9255
9256   if (textbutton_info[id].text_right)
9257     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
9258
9259   MapGadget(gi);
9260 }
9261
9262 static void MapGraphicbuttonGadget(int id)
9263 {
9264   int font_nr = FONT_TEXT_1;
9265   int font_height = getFontHeight(font_nr);
9266   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
9267   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
9268   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9269   int yoffset = (gi->height - font_height) / 2;
9270   int x_left = gi->x - xoffset_left;
9271   int x_right = gi->x + gi->width + xoffset_right;
9272   int y = gi->y + yoffset;
9273
9274   if (graphicbutton_info[id].text_left)
9275     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
9276
9277   if (graphicbutton_info[id].text_right)
9278     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
9279
9280   MapGadget(gi);
9281 }
9282
9283 static void MapRadiobuttonGadget(int id)
9284 {
9285   int font_nr = FONT_TEXT_1;
9286   int font_height = getFontHeight(font_nr);
9287   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
9288   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9289   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9290   int yoffset = (gi->height - font_height) / 2;
9291   int x_left = gi->x - xoffset_left;
9292   int x_right = gi->x + gi->width + xoffset_right;
9293   int y = gi->y + yoffset;
9294   boolean checked =
9295     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
9296
9297   if (radiobutton_info[id].text_left)
9298     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
9299
9300   if (radiobutton_info[id].text_right)
9301     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
9302
9303   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
9304
9305   MapGadget(gi);
9306 }
9307
9308 static void MapCheckbuttonGadget(int id)
9309 {
9310   int font_nr = FONT_TEXT_1;
9311   int font_height = getFontHeight(font_nr);
9312   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
9313   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9314   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9315   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9316   int yoffset = (gi->height - font_height) / 2;
9317   int y_above = gi->y - yoffset_above;
9318   int x = gi->x;
9319   int x_left, x_right, y;       // set after gadget position was modified
9320
9321   // set position for gadgets with dynamically determined position
9322   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
9323     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
9324   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
9325
9326   x_left = gi->x - xoffset_left;
9327   x_right = gi->x + gi->width + xoffset_right;
9328   y = gi->y + yoffset;
9329
9330   if (checkbutton_info[id].text_above)
9331     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
9332
9333   if (checkbutton_info[id].text_left)
9334     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
9335
9336   if (checkbutton_info[id].text_right)
9337     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
9338
9339   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
9340
9341   MapGadget(gi);
9342 }
9343
9344 static void MapMainDrawingArea(void)
9345 {
9346   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
9347   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
9348   int i;
9349
9350   if (suppressBorderElement())
9351   {
9352     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
9353     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
9354   }
9355
9356   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
9357   {
9358     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
9359           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
9360          no_horizontal_scrollbar) ||
9361         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
9362           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
9363          no_vertical_scrollbar))
9364       continue;
9365
9366     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
9367   }
9368
9369   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
9370   {
9371     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
9372         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
9373       continue;
9374
9375     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
9376   }
9377
9378   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
9379 }
9380
9381 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
9382 {
9383   int i;
9384
9385   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
9386   {
9387     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
9388         i == GADGET_ID_CUSTOM_COPY_TO ||
9389         i == GADGET_ID_CUSTOM_EXCHANGE ||
9390         i == GADGET_ID_CUSTOM_COPY ||
9391         i == GADGET_ID_CUSTOM_PASTE)
9392     {
9393       if (map)
9394         MapGadget(level_editor_gadget[i]);
9395       else
9396         UnmapGadget(level_editor_gadget[i]);
9397     }
9398   }
9399 }
9400
9401 static void MapLevelEditorToolboxCustomGadgets(void)
9402 {
9403   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
9404 }
9405
9406 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
9407 {
9408   if (IS_CUSTOM_ELEMENT(properties_element) ||
9409       IS_GROUP_ELEMENT(properties_element) ||
9410       IS_EMPTY_ELEMENT(properties_element))
9411     MapLevelEditorToolboxCustomGadgets();
9412 }
9413
9414 static void UnmapLevelEditorToolboxCustomGadgets(void)
9415 {
9416   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
9417 }
9418
9419 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
9420 {
9421   int i;
9422
9423   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
9424   {
9425     if (i != GADGET_ID_SINGLE_ITEMS &&
9426         i != GADGET_ID_PICK_ELEMENT)
9427     {
9428       struct GadgetInfo *gi = level_editor_gadget[i];
9429
9430       if (map)
9431       {
9432         MapGadget(gi);
9433       }
9434       else
9435       {
9436         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
9437         struct GraphicInfo *gd = &graphic_info[graphic];
9438
9439         UnmapGadget(gi);
9440
9441         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
9442                    gi->width, gi->height, gi->x, gi->y);
9443
9444         redraw_mask |= REDRAW_DOOR_3;
9445       }
9446     }
9447   }
9448 }
9449
9450 static void MapLevelEditorToolboxDrawingGadgets(void)
9451 {
9452   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
9453 }
9454
9455 static void UnmapLevelEditorToolboxDrawingGadgets(void)
9456 {
9457   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
9458 }
9459
9460 static void UnmapDrawingArea(int id)
9461 {
9462   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
9463 }
9464
9465 static void UnmapLevelEditorFieldGadgets(void)
9466 {
9467   int i;
9468
9469   for (i = 0; i < num_editor_gadgets; i++)
9470     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
9471                           level_editor_gadget[i]->y))
9472       UnmapGadget(level_editor_gadget[i]);
9473 }
9474
9475 void UnmapLevelEditorGadgets(void)
9476 {
9477   int i;
9478
9479   for (i = 0; i < num_editor_gadgets; i++)
9480     UnmapGadget(level_editor_gadget[i]);
9481 }
9482
9483 static void ResetUndoBuffer(void)
9484 {
9485   undo_buffer_position = -1;
9486   undo_buffer_steps = -1;
9487   redo_buffer_steps = 0;
9488
9489   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9490
9491   level.changed = FALSE;
9492 }
9493
9494 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
9495 {
9496   if (remap_toolbox_gadgets)
9497   {
9498     ModifyEditorElementList();
9499     RedrawDrawingElements();
9500   }
9501
9502   if (edit_mode == ED_MODE_LEVELCONFIG)
9503     DrawLevelConfigWindow();
9504   else if (edit_mode == ED_MODE_PROPERTIES)
9505     DrawPropertiesWindow();
9506   else if (edit_mode == ED_MODE_PALETTE)
9507     DrawPaletteWindow();
9508   else  // edit_mode == ED_MODE_DRAWING
9509     DrawDrawingWindowExt(remap_toolbox_gadgets);
9510 }
9511
9512 static void DrawEditModeWindow(void)
9513 {
9514   DrawEditModeWindowExt(TRUE);
9515 }
9516
9517 static void DrawEditModeWindow_PlayfieldOnly(void)
9518 {
9519   DrawEditModeWindowExt(FALSE);
9520 }
9521
9522 static void ChangeEditModeWindow(int new_edit_mode)
9523 {
9524   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
9525
9526   DrawEditModeWindow();
9527 }
9528
9529 static boolean LevelChanged(void)
9530 {
9531   boolean field_changed = FALSE;
9532   int x, y;
9533
9534   for (y = 0; y < lev_fieldy; y++)
9535     for (x = 0; x < lev_fieldx; x++)
9536       if (Tile[x][y] != level.field[x][y])
9537         field_changed = TRUE;
9538
9539   return (level.changed || field_changed);
9540 }
9541
9542 static boolean PrepareSavingIntoPersonalLevelSet(void)
9543 {
9544   static LevelDirTree *last_copied_leveldir = NULL;
9545   static LevelDirTree *last_written_leveldir = NULL;
9546   static int last_copied_level_nr = -1;
9547   static int last_written_level_nr = -1;
9548   LevelDirTree *leveldir_former = leveldir_current;
9549   int level_nr_former = level_nr;
9550   int new_level_nr;
9551
9552   // remember last mod/save so that for current session, we write
9553   // back to the same personal copy, asking only about overwrite.
9554   if (leveldir_current == last_copied_leveldir &&
9555       level_nr == last_copied_level_nr)
9556   {
9557     // "cd" to personal level set dir (as used when writing last copy)
9558     leveldir_current = last_written_leveldir;
9559     level_nr = last_written_level_nr;
9560
9561     return TRUE;
9562   }
9563
9564   if (!Request("This level is read-only! "
9565                "Save into personal level set?", REQ_ASK))
9566     return FALSE;
9567
9568   // "cd" to personal level set dir (for writing copy the first time)
9569   leveldir_current =
9570     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
9571
9572   // this may happen if "setup.internal.create_user_levelset" is FALSE
9573   // or if file "levelinfo.conf" is missing in personal user level set
9574   if (leveldir_current == NULL)
9575   {
9576     Request("Cannot find personal level set?!", REQ_CONFIRM);
9577
9578     leveldir_current = leveldir_former;
9579
9580     return FALSE;
9581   }
9582
9583   // find unused level number
9584   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
9585   {
9586     static char *level_filename = NULL;
9587
9588     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
9589
9590     if (!fileExists(level_filename))
9591       break;
9592   }
9593
9594   last_copied_leveldir = leveldir_former;
9595   last_copied_level_nr = level_nr_former;
9596
9597   last_written_leveldir = leveldir_current;
9598   last_written_level_nr = level_nr = new_level_nr;
9599
9600   return TRUE;
9601 }
9602
9603 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
9604 {
9605   static char *filename_levelinfo = NULL, *mod_name = NULL;
9606   FILE *file;
9607
9608   // annotate this copy-and-mod in personal levelinfo.conf
9609   setString(&filename_levelinfo,
9610             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
9611
9612   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
9613   {
9614     fprintf(file, "\n");
9615     fprintf(file, "# level %d was modified from:\n", level_nr);
9616     fprintf(file, "# - previous level set name:    %s\n",
9617             former_name);
9618     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
9619             level.file_info.nr, level.name);
9620     fprintf(file, "# - previous author:            %s\n",
9621             level.author);
9622     fprintf(file, "# - previous save date:         ");
9623
9624     if (level.creation_date.src == DATE_SRC_LEVELFILE)
9625     {
9626       fprintf(file, "%04d-%02d-%02d\n",
9627               level.creation_date.year,
9628               level.creation_date.month,
9629               level.creation_date.day);
9630     }
9631     else
9632     {
9633       fprintf(file, "not recorded\n");
9634     }
9635
9636     fclose(file);
9637   }
9638
9639   if (level_nr > leveldir_current->last_level)
9640     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
9641
9642   // else: allow the save even if annotation failed
9643
9644   // now... spray graffiti on the old level vital statistics
9645   // user can change these; just trying to set a good baseline
9646
9647   // don't truncate names for fear of making offensive or silly:
9648   // long-named original author only recorded in levelinfo.conf.
9649   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
9650   if (!strEqual(level.author, leveldir_current->author))
9651   {
9652     setString(&mod_name, getStringCat3(leveldir_current->author,
9653                                        " after ", level.author));
9654
9655     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9656       setString(&mod_name,
9657                 getStringCat2(leveldir_current->author, " (ed.)"));
9658
9659     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9660       setString(&mod_name, leveldir_current->author);
9661
9662     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
9663
9664     // less worried about truncation here
9665     setString(&mod_name, getStringCat2("Mod: ", level.name));
9666     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
9667   }
9668 }
9669
9670 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
9671                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
9672 {
9673   int x, y;
9674
9675   for (x = 0; x < lev_fieldx; x++)
9676     for (y = 0; y < lev_fieldy; y++)
9677       dst[x][y] = src[x][y];
9678 }
9679
9680 static int setSelectboxValue(int selectbox_id, int new_value)
9681 {
9682   int new_index_value = 0;
9683   int i;
9684
9685   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
9686     if (selectbox_info[selectbox_id].options[i].value == new_value)
9687       new_index_value = i;
9688
9689   *selectbox_info[selectbox_id].value =
9690     selectbox_info[selectbox_id].options[new_index_value].value;
9691
9692   return new_index_value;
9693 }
9694
9695 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9696 {
9697   int i;
9698
9699   // change action mode and arg variables according to action type variable
9700   for (i = 0; action_arg_options[i].value != -1; i++)
9701   {
9702     if (action_arg_options[i].value == custom_element_change.action_type)
9703     {
9704       int mode = action_arg_options[i].mode;
9705
9706       // only change if corresponding selectbox has changed
9707       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9708           action_arg_modes[mode])
9709         custom_element_change.action_mode = -1;
9710
9711       // only change if corresponding selectbox has changed
9712       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9713           action_arg_options[i].options)
9714         custom_element_change.action_arg = -1;
9715
9716       break;
9717     }
9718   }
9719 }
9720
9721 static void setSelectboxSpecialActionOptions(void)
9722 {
9723   int i;
9724
9725   // change action mode and arg selectbox according to action type selectbox
9726   for (i = 0; action_arg_options[i].value != -1; i++)
9727   {
9728     if (action_arg_options[i].value == custom_element_change.action_type)
9729     {
9730       int mode = action_arg_options[i].mode;
9731
9732       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9733                                    action_arg_modes[mode]);
9734       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9735                                  custom_element_change.action_mode);
9736
9737       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9738                                    action_arg_options[i].options);
9739       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9740                                  custom_element_change.action_arg);
9741       break;
9742     }
9743   }
9744 }
9745
9746 static void copy_custom_element_settings(int element_from, int element_to)
9747 {
9748   struct ElementInfo *ei_from = &element_info[element_from];
9749   struct ElementInfo *ei_to = &element_info[element_to];
9750
9751   copyElementInfo(ei_from, ei_to);
9752 }
9753
9754 static void replace_custom_element_in_settings(int element_from,
9755                                                int element_to)
9756 {
9757   int i, j, x, y;
9758
9759   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9760   {
9761     struct ElementInfo *ei = &element_info[i];
9762
9763     for (y = 0; y < 3; y++)
9764       for (x = 0; x < 3; x++)
9765         if (ei->content.e[x][y] == element_from)
9766           ei->content.e[x][y] = element_to;
9767
9768     for (j = 0; j < ei->num_change_pages; j++)
9769     {
9770       struct ElementChangeInfo *change = &ei->change_page[j];
9771
9772       if (change->target_element == element_from)
9773         change->target_element = element_to;
9774
9775       if (change->initial_trigger_element == element_from)
9776         change->initial_trigger_element = element_to;
9777
9778       if (change->action_element == element_from)
9779         change->action_element = element_to;
9780
9781       for (y = 0; y < 3; y++)
9782         for (x = 0; x < 3; x++)
9783           if (change->target_content.e[x][y] == element_from)
9784             change->target_content.e[x][y] = element_to;
9785     }
9786
9787     if (ei->group != NULL)                              // group or internal
9788       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9789         if (ei->group->element[j] == element_from)
9790           ei->group->element[j] = element_to;
9791   }
9792 }
9793
9794 static void replace_custom_element_in_playfield(int element_from,
9795                                                 int element_to)
9796 {
9797   int x, y;
9798
9799   for (x = 0; x < lev_fieldx; x++)
9800     for (y = 0; y < lev_fieldy; y++)
9801       if (Tile[x][y] == element_from)
9802         Tile[x][y] = element_to;
9803 }
9804
9805 static boolean CopyCustomElement(int element_old, int element_new,
9806                                  int copy_mode)
9807 {
9808   int copy_mode_orig = copy_mode;
9809
9810   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9811   {
9812     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9813                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9814     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9815   }
9816   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9817   {
9818     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9819                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9820     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9821
9822     level.changed = TRUE;
9823   }
9824   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9825   {
9826     Request("Please choose custom element!", REQ_CONFIRM);
9827
9828     return FALSE;
9829   }
9830   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9831   {
9832     Request("Please choose group element!", REQ_CONFIRM);
9833
9834     return FALSE;
9835   }
9836   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9837   {
9838     Request("Please choose empty element!", REQ_CONFIRM);
9839
9840     return FALSE;
9841   }
9842   else
9843   {
9844     level.changed = TRUE;
9845   }
9846
9847   // when modifying custom/group element, ask for copying level template
9848   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9849   {
9850     if (!AskToCopyAndModifyLevelTemplate())
9851       return FALSE;
9852   }
9853
9854   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9855   {
9856     copy_custom_element_settings(element_new, element_old);
9857   }
9858   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9859   {
9860     copy_custom_element_settings(element_old, element_new);
9861   }
9862   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9863   {
9864     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9865     copy_custom_element_settings(element_new, element_old);
9866     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9867
9868     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9869     replace_custom_element_in_settings(element_new, element_old);
9870     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9871
9872     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9873     replace_custom_element_in_playfield(element_new, element_old);
9874     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9875   }
9876
9877   UpdateCustomElementGraphicGadgets();
9878   DrawPropertiesWindow();
9879
9880   return TRUE;
9881 }
9882
9883 static void CopyCustomElementPropertiesToEditor(int element)
9884 {
9885   int i;
9886   int current_change_page = element_info[element].current_change_page;
9887
9888   // dynamically (re)build selectbox for selecting change page
9889   for (i = 0; i < element_info[element].num_change_pages; i++)
9890   {
9891     sprintf(options_change_page_strings[i], "%d", i + 1);
9892
9893     options_change_page[i].value = i;
9894     options_change_page[i].text = options_change_page_strings[i];
9895   }
9896
9897   options_change_page[i].value = -1;
9898   options_change_page[i].text = NULL;
9899
9900   // needed here to initialize combined element properties
9901   InitElementPropertiesEngine(level.game_version);
9902
9903   element_info[element].change =
9904     &element_info[element].change_page[current_change_page];
9905
9906   custom_element = element_info[element];
9907   custom_element_change = *element_info[element].change;
9908
9909   // needed to initially set selectbox options for special action options
9910   setSelectboxSpecialActionOptions();
9911
9912   // needed to initially set selectbox value variables to reliable defaults
9913   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9914     setSelectboxValue(i, *selectbox_info[i].value);
9915
9916   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9917     custom_element_properties[i] = HAS_PROPERTY(element, i);
9918
9919   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9920     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9921
9922   // ---------- element settings: configure (custom elements) -----------------
9923
9924   // set accessible layer selectbox help value
9925   custom_element.access_type =
9926     (IS_WALKABLE(element) ? EP_WALKABLE :
9927      IS_PASSABLE(element) ? EP_PASSABLE :
9928      custom_element.access_type);
9929   custom_element.access_layer =
9930     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9931      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9932      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9933      custom_element.access_layer);
9934   custom_element.access_protected =
9935     (IS_PROTECTED(element) ? 1 : 0);
9936   custom_element_properties[EP_ACCESSIBLE] =
9937     (IS_ACCESSIBLE_OVER(element) ||
9938      IS_ACCESSIBLE_INSIDE(element) ||
9939      IS_ACCESSIBLE_UNDER(element));
9940
9941   // set walk-to-object action selectbox help value
9942   custom_element.walk_to_action =
9943     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9944      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9945      IS_DROPPABLE(element) ? EP_DROPPABLE :
9946      IS_THROWABLE(element) ? EP_THROWABLE :
9947      IS_PUSHABLE(element) ? EP_PUSHABLE :
9948      custom_element.walk_to_action);
9949   custom_element_properties[EP_WALK_TO_OBJECT] =
9950     (IS_DIGGABLE(element) ||
9951      IS_COLLECTIBLE_ONLY(element) ||
9952      IS_DROPPABLE(element) ||
9953      IS_THROWABLE(element) ||
9954      IS_PUSHABLE(element));
9955
9956   // set smash targets selectbox help value
9957   custom_element.smash_targets =
9958     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9959      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9960      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9961      custom_element.smash_targets);
9962   custom_element_properties[EP_CAN_SMASH] =
9963     (CAN_SMASH_EVERYTHING(element) ||
9964      CAN_SMASH_ENEMIES(element) ||
9965      CAN_SMASH_PLAYER(element));
9966
9967   // set deadliness selectbox help value
9968   custom_element.deadliness =
9969     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9970      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9971      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9972      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9973      custom_element.deadliness);
9974   custom_element_properties[EP_DEADLY] =
9975     (DONT_TOUCH(element) ||
9976      DONT_GET_HIT_BY(element) ||
9977      DONT_COLLIDE_WITH(element) ||
9978      DONT_RUN_INTO(element));
9979
9980   // ---------- element settings: advanced (custom elements) ------------------
9981
9982   // set "change by direct action" selectbox help value
9983   custom_element_change.direct_action =
9984     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9985      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9986      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9987      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9988      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9989      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9990      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9991      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9992      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9993      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9994      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9995      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9996      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9997      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9998      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9999      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
10000      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
10001      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
10002      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
10003      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
10004      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
10005      custom_element_change.direct_action);
10006
10007   // set "change by other element action" selectbox help value
10008   custom_element_change.other_action =
10009     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
10010      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
10011      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
10012      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
10013      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
10014      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
10015      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
10016      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
10017      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
10018      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
10019      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
10020      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
10021      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
10022      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
10023      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
10024      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
10025      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
10026      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
10027      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
10028      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
10029      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
10030      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
10031      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
10032      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
10033      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
10034      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
10035      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
10036      custom_element_change.other_action);
10037 }
10038
10039 static void CopyGroupElementPropertiesToEditor(int element)
10040 {
10041   group_element_info = *element_info[element].group;
10042   custom_element = element_info[element];       // needed for description
10043 }
10044
10045 static void CopyEmptyElementPropertiesToEditor(int element)
10046 {
10047   custom_element = element_info[element];
10048 }
10049
10050 static void CopyClassicElementPropertiesToEditor(int element)
10051 {
10052   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
10053     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
10054       getMoveIntoAcidProperty(&level, element);
10055
10056   if (MAYBE_DONT_COLLIDE_WITH(element))
10057     custom_element_properties[EP_DONT_COLLIDE_WITH] =
10058       getDontCollideWithProperty(&level, element);
10059 }
10060
10061 static void CopyElementPropertiesToEditor(int element)
10062 {
10063   if (IS_CUSTOM_ELEMENT(element))
10064     CopyCustomElementPropertiesToEditor(element);
10065   else if (IS_GROUP_ELEMENT(element))
10066     CopyGroupElementPropertiesToEditor(element);
10067   else if (IS_EMPTY_ELEMENT(element))
10068     CopyEmptyElementPropertiesToEditor(element);
10069   else
10070     CopyClassicElementPropertiesToEditor(element);
10071 }
10072
10073 static boolean AskToCopyAndModifyLevelTemplate(void)
10074 {
10075   if (Request("Copy and modify settings from level template?", REQ_ASK))
10076   {
10077     level.use_custom_template = FALSE;
10078
10079     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
10080                  GDI_CHECKED, FALSE, GDI_END);
10081     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
10082                  GDI_CHECKED, FALSE, GDI_END);
10083
10084     return TRUE;
10085   }
10086   else
10087   {
10088     LoadLevelTemplate(-1);      // this resets all element modifications ...
10089
10090     DrawEditModeWindow();       // ... and copies them to 'custom_element'
10091
10092     return FALSE;
10093   }
10094 }
10095
10096 static void CopyCustomElementPropertiesToGame(int element)
10097 {
10098   int i;
10099   int access_type_and_layer;
10100
10101   // mark that this custom element has been modified
10102   custom_element.modified_settings = TRUE;
10103   level.changed = TRUE;
10104
10105   if (level.use_custom_template)
10106     AskToCopyAndModifyLevelTemplate();
10107
10108   element_info[element] = custom_element;
10109   *element_info[element].change = custom_element_change;
10110
10111   // ---------- element settings: configure (custom elements) -----------------
10112
10113   // set accessible property from checkbox and selectbox
10114   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
10115   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
10116   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
10117   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
10118   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
10119   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
10120   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
10121                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
10122                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
10123   custom_element_properties[access_type_and_layer] =
10124     custom_element_properties[EP_ACCESSIBLE];
10125   custom_element_properties[EP_PROTECTED] =
10126     (custom_element.access_protected != 0 &&
10127      custom_element_properties[EP_ACCESSIBLE]);
10128
10129   // set walk-to-object property from checkbox and selectbox
10130   custom_element_properties[EP_DIGGABLE] = FALSE;
10131   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
10132   custom_element_properties[EP_DROPPABLE] = FALSE;
10133   custom_element_properties[EP_THROWABLE] = FALSE;
10134   custom_element_properties[EP_PUSHABLE] = FALSE;
10135   custom_element_properties[custom_element.walk_to_action] =
10136     custom_element_properties[EP_WALK_TO_OBJECT];
10137
10138   // set smash property from checkbox and selectbox
10139   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
10140   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
10141   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
10142   custom_element_properties[custom_element.smash_targets] =
10143     custom_element_properties[EP_CAN_SMASH];
10144
10145   // set deadliness property from checkbox and selectbox
10146   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
10147   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
10148   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
10149   custom_element_properties[EP_DONT_TOUCH] = FALSE;
10150   custom_element_properties[custom_element.deadliness] =
10151     custom_element_properties[EP_DEADLY];
10152
10153   // ---------- element settings: advanced (custom elements) ------------------
10154
10155   // set player change event from checkbox and selectbox
10156   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
10157   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
10158   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
10159   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
10160   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
10161   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
10162   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
10163   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
10164   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
10165   custom_element_change_events[CE_SWITCHED] = FALSE;
10166   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
10167   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
10168   custom_element_change_events[CE_BLOCKED] = FALSE;
10169   custom_element_change_events[CE_IMPACT] = FALSE;
10170   custom_element_change_events[CE_SMASHED] = FALSE;
10171   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
10172   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
10173   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
10174   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
10175   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
10176   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
10177   custom_element_change_events[custom_element_change.direct_action] =
10178     custom_element_change_events[CE_BY_DIRECT_ACTION];
10179
10180   // set other element action change event from checkbox and selectbox
10181   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
10182   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
10183   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
10184   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
10185   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
10186   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
10187   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
10188   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
10189   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
10190   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
10191   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
10192   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
10193   custom_element_change_events[CE_TOUCHING_X] = FALSE;
10194   custom_element_change_events[CE_HITTING_X] = FALSE;
10195   custom_element_change_events[CE_DIGGING_X] = FALSE;
10196   custom_element_change_events[CE_HIT_BY_X] = FALSE;
10197   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
10198   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
10199   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
10200   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
10201   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
10202   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
10203   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
10204   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
10205   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
10206   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
10207   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
10208   custom_element_change_events[custom_element_change.other_action] =
10209     custom_element_change_events[CE_BY_OTHER_ACTION];
10210
10211   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
10212     SET_PROPERTY(element, i, custom_element_properties[i]);
10213
10214   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
10215     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
10216
10217   // copy change events also to special level editor variable
10218   custom_element = element_info[element];
10219   custom_element_change = *element_info[element].change;
10220
10221   // needed here to restore runtime value "element_info[element].gfx_element"
10222   InitElementPropertiesGfxElement();
10223 }
10224
10225 static void CopyGroupElementPropertiesToGame(int element)
10226 {
10227   // mark that this group element has been modified
10228   custom_element.modified_settings = TRUE;
10229   level.changed = TRUE;
10230
10231   if (level.use_custom_template)
10232     AskToCopyAndModifyLevelTemplate();
10233
10234   element_info[element] = custom_element;
10235   *element_info[element].group = group_element_info;
10236
10237   // needed here to restore runtime value "element_info[element].gfx_element"
10238   InitElementPropertiesGfxElement();
10239 }
10240
10241 static void CopyEmptyElementPropertiesToGame(int element)
10242 {
10243   // mark that this empty element has been modified
10244   custom_element.modified_settings = TRUE;
10245   level.changed = TRUE;
10246
10247   if (level.use_custom_template)
10248     AskToCopyAndModifyLevelTemplate();
10249
10250   element_info[element] = custom_element;
10251
10252   // needed here to restore runtime value "element_info[element].gfx_element"
10253   InitElementPropertiesGfxElement();
10254 }
10255
10256 static void CopyClassicElementPropertiesToGame(int element)
10257 {
10258   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
10259     setMoveIntoAcidProperty(&level, element,
10260                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
10261
10262   if (MAYBE_DONT_COLLIDE_WITH(element))
10263     setDontCollideWithProperty(&level, element,
10264                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
10265 }
10266
10267 static void CopyElementPropertiesToGame(int element)
10268 {
10269   if (IS_CUSTOM_ELEMENT(element))
10270     CopyCustomElementPropertiesToGame(element);
10271   else if (IS_GROUP_ELEMENT(element))
10272     CopyGroupElementPropertiesToGame(element);
10273   else if (IS_EMPTY_ELEMENT(element))
10274     CopyEmptyElementPropertiesToGame(element);
10275   else
10276     CopyClassicElementPropertiesToGame(element);
10277 }
10278
10279 #if DEBUG
10280 static void CheckElementDescriptions(void)
10281 {
10282   int i;
10283
10284   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10285     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
10286       Warn("no element description file for element '%s'", EL_NAME(i));
10287 }
10288 #endif
10289
10290 static int getMaxEdFieldX(boolean has_scrollbar)
10291 {
10292   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
10293   int sxsize = SXSIZE - scrollbar_width;
10294   int max_ed_fieldx = sxsize / ed_tilesize;
10295
10296   return max_ed_fieldx;
10297 }
10298
10299 static int getMaxEdFieldY(boolean has_scrollbar)
10300 {
10301   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
10302                          INFOTEXT_YSIZE_FULL : 0);
10303   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
10304   int sysize = SYSIZE - scrollbar_height - infotext_height;
10305   int max_ed_fieldy = sysize / ed_tilesize;
10306
10307   return max_ed_fieldy;
10308 }
10309
10310 static void InitZoomLevelSettings(int zoom_tilesize)
10311 {
10312   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
10313
10314   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
10315   {
10316     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
10317     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
10318
10319     // make sure that tile size is always a power of 2
10320     ed_tilesize = (1 << log_2(ed_tilesize));
10321
10322     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10323     {
10324       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
10325       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
10326     }
10327   }
10328
10329   last_game_engine_type = level.game_engine_type;
10330
10331   // limit zoom tilesize by upper and lower bound
10332   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
10333
10334   // store zoom tilesize in auto setup file only if it was manually changed
10335   if (zoom_tilesize != -1)
10336     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
10337
10338   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
10339   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
10340 }
10341
10342 static void InitDrawingElements(void)
10343 {
10344   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
10345
10346   if (level.game_engine_type == game_engine_type_last)
10347     return;
10348
10349   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10350   {
10351     new_element1 = EL_BD_WALL;
10352     new_element2 = EL_EMPTY;
10353     new_element3 = EL_BD_SAND;
10354   }
10355   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
10356   {
10357     new_element1 = EL_SP_CHIP_SINGLE;
10358     new_element2 = EL_EMPTY;
10359     new_element3 = EL_SP_BASE;
10360   }
10361   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10362   {
10363     new_element1 = EL_MM_MIRROR_START;
10364     new_element2 = EL_EMPTY;
10365     new_element3 = EL_MM_WOODEN_WALL;
10366   }
10367   else
10368   {
10369     new_element1 = EL_WALL;
10370     new_element2 = EL_EMPTY;
10371     new_element3 = EL_SAND;
10372   }
10373
10374   game_engine_type_last = level.game_engine_type;
10375 }
10376
10377 static void InitLevelSetInfo(void)
10378 {
10379   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
10380            "%s", leveldir_current->name);
10381   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
10382            "%s", leveldir_current->author);
10383
10384   levelset_num_levels = leveldir_current->levels;
10385
10386   levelset_use_levelset_artwork = FALSE;
10387   levelset_copy_level_template = FALSE;
10388
10389   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
10390 }
10391
10392 static void ChangeEditorToLevelSet(char *levelset_subdir)
10393 {
10394   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
10395
10396   // the previous level set might have used custom artwork
10397   ReloadCustomArtwork(0);
10398
10399   LoadLevelSetup_SeriesInfo();
10400
10401   SaveLevelSetup_LastSeries();
10402   SaveLevelSetup_SeriesInfo();
10403
10404   TapeErase();
10405
10406   LoadLevel(level_nr);
10407   LoadScore(level_nr);
10408
10409   DrawLevelEd();
10410 }
10411
10412 static boolean useEditorDoorAnimation(void)
10413 {
10414   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
10415   boolean door_1_viewport_unchanged =
10416     (vp_door_1->x      == DX     &&
10417      vp_door_1->y      == DY     &&
10418      vp_door_1->width  == DXSIZE &&
10419      vp_door_1->height == DYSIZE);
10420   boolean door_1_contains_toolbox =
10421     (EX >= DX &&
10422      EY >= DY &&
10423      EX + EXSIZE <= DX + DXSIZE &&
10424      EY + EYSIZE <= DY + DYSIZE);
10425
10426   return (door_1_viewport_unchanged && door_1_contains_toolbox);
10427 }
10428
10429 static void DrawEditorDoorBackground(int graphic, int x, int y,
10430                                      int width, int height)
10431 {
10432   struct GraphicInfo *g = &graphic_info[graphic];
10433
10434   if (g->bitmap != NULL)
10435     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
10436                MIN(width, g->width), MIN(height, g->height), x, y);
10437   else
10438     ClearRectangle(drawto, x, y, width, height);
10439 }
10440
10441 static void DrawEditorDoorContent(void)
10442 {
10443   // needed for gadgets drawn on background (like palette scrollbar)
10444   SetDoorBackgroundImage(IMG_UNDEFINED);
10445
10446   // copy default editor door content to main double buffer
10447   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
10448
10449   // draw bigger door
10450   DrawSpecialEditorDoor();
10451
10452   // draw new control window
10453   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
10454
10455   // draw all toolbox gadgets to editor doors
10456   MapControlButtons();
10457
10458   // when returning from test game to properties page, redraw toolbox gadgets
10459   if (edit_mode == ED_MODE_PROPERTIES)
10460   {
10461     UnmapLevelEditorToolboxDrawingGadgets();
10462     UnmapLevelEditorToolboxCustomGadgets();
10463
10464     MapLevelEditorToolboxCustomGadgetsIfNeeded();
10465   }
10466
10467   // draw all palette gadgets to editor doors
10468   ModifyEditorElementList();
10469   RedrawDrawingElements();
10470
10471   // copy actual editor door content to door double buffer for OpenDoor()
10472   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
10473 }
10474
10475 void DrawLevelEd(void)
10476 {
10477   int fade_mask = REDRAW_FIELD;
10478
10479   FadeSoundsAndMusic();
10480
10481   if (CheckFadeAll())
10482     fade_mask = REDRAW_ALL;
10483
10484   FadeOut(fade_mask);
10485
10486   // needed if different viewport properties defined for editor
10487   ChangeViewportPropertiesIfNeeded();
10488
10489   ClearField();
10490
10491   InitZoomLevelSettings(-1);
10492   InitDrawingElements();
10493   InitLevelSetInfo();
10494
10495 #if DEBUG
10496   CheckElementDescriptions();
10497 #endif
10498
10499   if (level_editor_test_game)
10500   {
10501     CopyPlayfield(level.field, Tile);
10502     CopyPlayfield(TileBackup, level.field);
10503
10504     level_editor_test_game = FALSE;
10505   }
10506   else
10507   {
10508     edit_mode = ED_MODE_DRAWING;
10509     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
10510     edit_mode_engineconfig = ED_MODE_ENGINECONFIG_CONFIG;
10511     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
10512
10513     ResetUndoBuffer();
10514
10515     level_xpos = -1;
10516     level_ypos = -1;
10517   }
10518
10519   // redraw_mask |= REDRAW_ALL;
10520
10521   FreeLevelEditorGadgets();
10522   CreateLevelEditorGadgets();
10523
10524   ReinitializeElementList();            // update dynamic level element list
10525   ReinitializeElementListButtons();     // custom element may look different
10526
10527   InitElementPropertiesGfxElement();
10528
10529   UnmapAllGadgets();
10530
10531   DrawEditModeWindow_PlayfieldOnly();
10532
10533   DrawMaskedBorder(fade_mask);
10534
10535   // use door animation if door 1 viewport is unchanged and contains toolbox
10536   if (useEditorDoorAnimation())
10537   {
10538     FadeIn(fade_mask);
10539
10540     DrawEditorDoorContent();
10541
10542     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
10543   }
10544   else
10545   {
10546     DrawEditorDoorContent();
10547
10548     FadeIn(fade_mask);
10549   }
10550
10551   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
10552 }
10553
10554 static void AdjustDrawingAreaGadgets(void)
10555 {
10556   int ed_xsize = lev_fieldx + 2;
10557   int ed_ysize = lev_fieldy + 2;
10558   int max_ed_fieldx = MAX_ED_FIELDX;
10559   int max_ed_fieldy = MAX_ED_FIELDY;
10560   boolean horizontal_scrollbar_needed;
10561   boolean vertical_scrollbar_needed;
10562   int x, y, width, height;
10563
10564   if (suppressBorderElement())
10565   {
10566     ed_xsize = lev_fieldx;
10567     ed_ysize = lev_fieldy;
10568   }
10569
10570   // check if we need any scrollbars
10571   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10572   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10573
10574   // check if we have a smaller editor field because of scrollbars
10575   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10576   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10577
10578   // check again if we now need more scrollbars because of less space
10579   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10580   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10581
10582   // check if editor field gets even smaller after adding new scrollbars
10583   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10584   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10585
10586   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
10587   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
10588
10589   x = SX + ed_fieldx * ed_tilesize;
10590   y = SY + ed_fieldy * ed_tilesize;
10591
10592   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
10593   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
10594
10595   // adjust drawing area gadget
10596   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
10597                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
10598                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
10599                GDI_END);
10600
10601   // adjust horizontal scrollbar gadgets
10602   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
10603                GDI_Y, y,
10604                GDI_END);
10605   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
10606                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
10607                GDI_Y, y,
10608                GDI_END);
10609   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10610                GDI_Y, y,
10611                GDI_WIDTH, width,
10612                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
10613                GDI_END);
10614
10615   // adjust vertical scrollbar gadgets
10616   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
10617                GDI_X, x,
10618                GDI_END);
10619   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
10620                GDI_X, x,
10621                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
10622                GDI_END);
10623   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10624                GDI_X, x,
10625                GDI_HEIGHT, height,
10626                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
10627                GDI_END);
10628 }
10629
10630 static void AdjustLevelScrollPosition(void)
10631 {
10632   if (level_xpos < -1)
10633     level_xpos = -1;
10634   if (level_xpos > lev_fieldx - ed_fieldx + 1)
10635     level_xpos = lev_fieldx - ed_fieldx + 1;
10636   if (lev_fieldx < ed_fieldx - 2)
10637     level_xpos = -1;
10638
10639   if (level_ypos < -1)
10640     level_ypos = -1;
10641   if (level_ypos > lev_fieldy - ed_fieldy + 1)
10642     level_ypos = lev_fieldy - ed_fieldy + 1;
10643   if (lev_fieldy < ed_fieldy - 2)
10644     level_ypos = -1;
10645
10646   if (suppressBorderElement())
10647   {
10648     level_xpos = 0;
10649     level_ypos = 0;
10650   }
10651 }
10652
10653 static void AdjustEditorScrollbar(int id)
10654 {
10655   struct GadgetInfo *gi = level_editor_gadget[id];
10656   int items_max, items_visible, item_position;
10657
10658   if (id == GADGET_ID_SCROLL_HORIZONTAL)
10659   {
10660     items_max = MAX(lev_fieldx + 2, ed_fieldx);
10661     items_visible = ed_fieldx;
10662     item_position = level_xpos + 1;
10663   }
10664   else
10665   {
10666     items_max = MAX(lev_fieldy + 2, ed_fieldy);
10667     items_visible = ed_fieldy;
10668     item_position = level_ypos + 1;
10669   }
10670
10671   if (item_position > items_max - items_visible)
10672     item_position = items_max - items_visible;
10673
10674   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10675                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10676 }
10677
10678 static void AdjustElementListScrollbar(void)
10679 {
10680   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
10681   int items_max, items_visible, item_position;
10682
10683   // correct position of element list scrollbar
10684   if (element_shift < 0)
10685     element_shift = 0;
10686   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10687     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10688
10689   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
10690   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
10691   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
10692
10693   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10694                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10695                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10696 }
10697
10698 static void ModifyEditorCounterValue(int counter_id, int new_value)
10699 {
10700   int *counter_value = counterbutton_info[counter_id].value;
10701   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10702   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10703
10704   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10705
10706   if (counter_value != NULL)
10707     *counter_value = gi->textinput.number_value;
10708 }
10709
10710 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10711 {
10712   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10713   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10714
10715   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10716
10717   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10718       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10719   {
10720     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10721     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10722
10723     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10724     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10725                  GDI_END);
10726   }
10727 }
10728
10729 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10730 {
10731   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10732   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10733   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10734
10735   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10736 }
10737
10738 static void ModifyEditorSelectboxOptions(int selectbox_id,
10739                                          struct ValueTextInfo *options)
10740 {
10741   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10742   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10743
10744   selectbox_info[selectbox_id].options = options;
10745
10746   // set index to zero -- list may be shorter now (correct later, if needed)
10747   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10748                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10749 }
10750
10751 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10752 {
10753   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10754   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10755
10756   drawingarea_info[drawingarea_id].area_xsize = xsize;
10757   drawingarea_info[drawingarea_id].area_ysize = ysize;
10758
10759   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10760 }
10761
10762 static void ModifyEditorElementList(void)
10763 {
10764   int i;
10765
10766   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10767     return;
10768
10769   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10770   {
10771     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10772     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10773     struct GadgetDesign *gd = &gi->deco.design;
10774     int element = editor_elements[element_shift + i];
10775     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10776
10777     UnmapGadget(gi);
10778
10779     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10780
10781     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10782
10783     MapGadget(gi);
10784   }
10785 }
10786
10787 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10788 {
10789   int graphic = el2edimg(element);
10790   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10791
10792   if (pos->x == -1 &&
10793       pos->y == -1)
10794     return;
10795
10796   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10797 }
10798
10799 static void ModifyDrawingElementButton(int element, int id)
10800 {
10801   struct GadgetInfo *gi = level_editor_gadget[id];
10802   Bitmap *deco_bitmap;
10803   int deco_x, deco_y;
10804   int tile_size = gi->deco.width;
10805
10806   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10807
10808   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10809 }
10810
10811 static void PickDrawingElement(int button, int element)
10812 {
10813   struct
10814   {
10815     int *new_element;
10816     struct XYTileSize *pos;
10817     int id;
10818   } de, drawing_elements[] =
10819   {
10820     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10821     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10822     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10823   };
10824
10825   if (button < 1 || button > 3)
10826     return;
10827
10828   if (IS_MM_WALL(element))
10829     element = map_mm_wall_element(element);
10830
10831   de = drawing_elements[button - 1];
10832
10833   *de.new_element = element;    // update global drawing element variable
10834
10835   DrawDrawingElementGraphic(element, de.pos);
10836   ModifyDrawingElementButton(element, de.id);
10837
10838   redraw_mask |= REDRAW_DOOR_1;
10839 }
10840
10841 static void RedrawDrawingElements(void)
10842 {
10843   PickDrawingElement(1, new_element1);
10844   PickDrawingElement(2, new_element2);
10845   PickDrawingElement(3, new_element3);
10846 }
10847
10848 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10849 {
10850   stick_element_properties_window = FALSE;
10851
10852   SetMainBackgroundImage(IMG_UNDEFINED);
10853   ClearField();
10854
10855   UnmapLevelEditorFieldGadgets();
10856
10857   AdjustDrawingAreaGadgets();
10858   AdjustLevelScrollPosition();
10859   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10860   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10861
10862   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10863
10864   MapMainDrawingArea();
10865
10866   if (remap_toolbox_gadgets)
10867   {
10868     UnmapLevelEditorToolboxCustomGadgets();
10869     MapLevelEditorToolboxDrawingGadgets();
10870   }
10871 }
10872
10873 static void DrawDrawingWindow(void)
10874 {
10875   DrawDrawingWindowExt(TRUE);
10876 }
10877
10878 static int getTabulatorBarWidth(void)
10879 {
10880   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10881   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10882
10883   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10884 }
10885
10886 static int getTabulatorBarHeight(void)
10887 {
10888   return ED_TAB_BAR_HEIGHT;
10889 }
10890
10891 static Pixel getTabulatorBarColor(void)
10892 {
10893   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10894   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10895   int gd_x = gd->x + gd_gi1->border.width / 2;
10896   int gd_y = gd->y + gd_gi1->height - 1;
10897
10898   return GetPixel(gd->bitmap, gd_x, gd_y);
10899 }
10900
10901 static void DrawEngineConfigTabulatorGadgets(void)
10902 {
10903   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_ENGINECONFIG_CONFIG];
10904   Pixel tab_color = getTabulatorBarColor();
10905   int id_first = ED_TEXTBUTTON_ID_ENGINECONFIG_CONFIG;
10906   int id_last  = ED_TEXTBUTTON_ID_ENGINECONFIG_COLORS;
10907   int i;
10908
10909   for (i = id_first; i <= id_last; i++)
10910   {
10911     int gadget_id = textbutton_info[i].gadget_id;
10912     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10913     boolean active = (i != edit_mode_engineconfig);
10914
10915     // draw background line below tabulator button
10916     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10917
10918     // draw solid line below inactive tabulator buttons
10919     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10920       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10921                     ED_GADGET_TINY_DISTANCE, tab_color);
10922
10923     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10924     MapTextbuttonGadget(i);
10925   }
10926
10927   // draw little border line below tabulator buttons
10928   if (tab_color != BLACK_PIXEL)                 // black => transparent
10929     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10930                   ED_GADGET_TINY_DISTANCE,
10931                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10932 }
10933
10934 static void DrawLevelConfigTabulatorGadgets(void)
10935 {
10936   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10937   Pixel tab_color = getTabulatorBarColor();
10938   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10939   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10940   int i;
10941
10942   // draw additional "engine" tabulator when using native BD engine
10943   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10944     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10945
10946   for (i = id_first; i <= id_last; i++)
10947   {
10948     int gadget_id = textbutton_info[i].gadget_id;
10949     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10950     boolean active = (i != edit_mode_levelconfig);
10951
10952     // draw background line below tabulator button
10953     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10954
10955     // draw solid line below inactive tabulator buttons
10956     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10957       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10958                     ED_GADGET_TINY_DISTANCE, tab_color);
10959
10960     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10961     MapTextbuttonGadget(i);
10962   }
10963
10964   // draw little border line below tabulator buttons
10965   if (tab_color != BLACK_PIXEL)                 // black => transparent
10966     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10967                   ED_GADGET_TINY_DISTANCE,
10968                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10969
10970   // draw second row of engine related tabulators when using native BD engine
10971   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10972     DrawEngineConfigTabulatorGadgets();
10973 }
10974
10975 static void DrawPropertiesTabulatorGadgets(void)
10976 {
10977   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10978   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10979   int gd_x = gd->x + gd_gi1->border.width / 2;
10980   int gd_y = gd->y + gd_gi1->height - 1;
10981   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10982   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10983   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10984   int i;
10985
10986   // draw two config tabulators for player elements
10987   if (IS_PLAYER_ELEMENT(properties_element))
10988     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10989
10990   // draw two config and one "change" tabulator for custom elements
10991   if (IS_CUSTOM_ELEMENT(properties_element))
10992     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10993
10994   for (i = id_first; i <= id_last; i++)
10995   {
10996     int gadget_id = textbutton_info[i].gadget_id;
10997     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10998     boolean active = (i != edit_mode_properties);
10999
11000     // use "config 1" and "config 2" instead of "config" for players and CEs
11001     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
11002         (IS_PLAYER_ELEMENT(properties_element) ||
11003          IS_CUSTOM_ELEMENT(properties_element)))
11004       continue;
11005
11006     // draw background line below tabulator button
11007     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
11008
11009     // draw solid line below inactive tabulator buttons
11010     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
11011       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
11012                     ED_GADGET_TINY_DISTANCE, tab_color);
11013
11014     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
11015     MapTextbuttonGadget(i);
11016   }
11017
11018   // draw little border line below tabulator buttons
11019   if (tab_color != BLACK_PIXEL)                 // black => transparent
11020     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
11021                   ED_GADGET_TINY_DISTANCE,
11022                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11023 }
11024
11025 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
11026 {
11027   DrawText(SX + xpos, SY + ypos, text, font_nr);
11028 }
11029
11030 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
11031                                            int xpos, int ypos)
11032 {
11033   int font_width = getFontWidth(font_nr);
11034   int font_height = getFontHeight(font_nr);
11035   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
11036   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
11037
11038   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
11039                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
11040                       TRUE, FALSE, FALSE);
11041 }
11042
11043 static void DrawLevelConfigLevel(void)
11044 {
11045   int i;
11046
11047   // draw counter gadgets
11048   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
11049     MapCounterButtons(i);
11050
11051   // draw checkbutton gadgets
11052   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
11053     MapCheckbuttonGadget(i);
11054
11055   // draw selectbox gadgets
11056   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
11057     MapSelectboxGadget(i);
11058
11059   // draw text input gadgets
11060   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
11061     MapTextInputGadget(i);
11062 }
11063
11064 static char *getLevelSubdirFromSaveMode(int save_mode)
11065 {
11066   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
11067     return getNewUserLevelSubdir();
11068
11069   return leveldir_current->subdir;
11070 }
11071
11072 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
11073 {
11074   char *directory_text = "Level set directory:";
11075   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
11076   int font1_nr = FONT_TEXT_1;
11077   int font2_nr = FONT_TEXT_2;
11078   int font1_height = getFontHeight(font1_nr);
11079   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
11080   int x = ED_LEVEL_SETTINGS_X(0);
11081   int y = ED_LEVEL_SETTINGS_Y(6);
11082
11083   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
11084   PrintInfoText(directory_name, font2_nr, x, y);
11085 }
11086
11087 static void DrawLevelConfigLevelSet(void)
11088 {
11089   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
11090   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
11091   int i;
11092
11093   // draw counter gadgets
11094   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
11095     MapCounterButtons(i);
11096
11097   // draw checkbutton gadgets
11098   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
11099   {
11100     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
11101         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
11102         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
11103       continue;
11104
11105     MapCheckbuttonGadget(i);
11106   }
11107
11108   // draw selectbox gadgets
11109   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
11110     MapSelectboxGadget(i);
11111
11112   // draw text input gadgets
11113   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
11114     MapTextInputGadget(i);
11115
11116   // draw textbutton gadgets
11117   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
11118
11119   // draw info text
11120   DrawLevelConfigLevelSet_DirectoryInfo();
11121 }
11122
11123 static void DrawLevelConfigEditor(void)
11124 {
11125   int i;
11126
11127   // draw counter gadgets
11128   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
11129     MapCounterButtons(i);
11130
11131   // draw checkbutton gadgets
11132   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
11133     MapCheckbuttonGadget(i);
11134
11135   // draw radiobutton gadgets
11136   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
11137     MapRadiobuttonGadget(i);
11138
11139   // draw drawing area
11140   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
11141
11142   // draw textbutton gadgets
11143   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
11144 }
11145
11146 static void DrawEngineConfigConfig(void)
11147 {
11148   int i;
11149
11150   // draw counter gadgets
11151   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
11152   {
11153     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
11154     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
11155   }
11156   else
11157   {
11158     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
11159     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
11160   }
11161
11162   // draw checkbutton gadgets
11163   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
11164     MapCheckbuttonGadget(i);
11165
11166   // draw selectbox gadgets
11167   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
11168     MapSelectboxGadget(i);
11169 }
11170
11171 static void DrawEngineConfigColors(void)
11172 {
11173   // (no settings yet)
11174 }
11175
11176 static void DrawLevelConfigEngine(void)
11177 {
11178   if (edit_mode_engineconfig == ED_MODE_ENGINECONFIG_CONFIG)
11179     DrawEngineConfigConfig();
11180   else if (edit_mode_engineconfig == ED_MODE_ENGINECONFIG_COLORS)
11181     DrawEngineConfigColors();
11182 }
11183
11184 static void DrawLevelConfigWindow(void)
11185 {
11186   char *text = "Global Settings";
11187   int font_nr = FONT_TITLE_1;
11188   struct MenuPosInfo *pos = &editor.settings.headline;
11189   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
11190   int sy = SY + pos->y;
11191
11192   stick_element_properties_window = FALSE;
11193
11194   SetAutomaticNumberOfGemsNeeded();
11195
11196   UnmapLevelEditorFieldGadgets();
11197
11198   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11199   ClearField();
11200
11201   DrawText(sx, sy, text, font_nr);
11202
11203   DrawLevelConfigTabulatorGadgets();
11204
11205   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
11206     DrawLevelConfigLevel();
11207   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
11208     DrawLevelConfigLevelSet();
11209   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
11210     DrawLevelConfigEditor();
11211   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
11212     DrawLevelConfigEngine();
11213 }
11214
11215 static void DrawCustomContentArea(void)
11216 {
11217   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
11218   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
11219   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
11220   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
11221   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
11222   int xoffset = ED_GADGET_SPACE_DISTANCE;
11223
11224   // add distance for potential left text (without drawing area border)
11225   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
11226
11227   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
11228
11229   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
11230 }
11231
11232 static void DrawCustomChangeContentArea(void)
11233 {
11234   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
11235   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
11236   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
11237   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
11238   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
11239   int xoffset = ED_GADGET_SPACE_DISTANCE;
11240
11241   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
11242
11243   MapDrawingArea(id);
11244 }
11245
11246 static void RemoveElementContentArea(int id, int font_height)
11247 {
11248   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11249
11250   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
11251                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
11252                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11253                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
11254                  ED_GADGET_TEXT_DISTANCE + font_height);
11255 }
11256
11257 static void DrawYamYamContentAreas(void)
11258 {
11259   int font_nr = FONT_TEXT_1;
11260   int font_height = getFontHeight(font_nr);
11261   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
11262   int yoffset = (tilesize - font_height) / 2;
11263   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
11264   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
11265   int i;
11266
11267   // display counter to choose number of element content areas
11268   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
11269
11270   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
11271   {
11272     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
11273
11274     if (i < level.num_yamyam_contents)
11275     {
11276       MapDrawingArea(id);
11277     }
11278     else
11279     {
11280       UnmapDrawingArea(id);
11281
11282       // delete content areas in case of reducing number of them
11283       RemoveElementContentArea(id, font_height);
11284     }
11285   }
11286
11287   DrawText(x, y + 0 * tilesize, "content", font_nr);
11288   DrawText(x, y + 1 * tilesize, "when",    font_nr);
11289   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
11290 }
11291
11292 static void DrawMagicBallContentAreas(void)
11293 {
11294   int font_nr = FONT_TEXT_1;
11295   int font_height = getFontHeight(font_nr);
11296   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
11297   int yoffset = (tilesize - font_height) / 2;
11298   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
11299   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
11300   int i;
11301
11302   // display counter to choose number of element content areas
11303   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
11304
11305   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
11306   {
11307     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
11308
11309     if (i < level.num_ball_contents)
11310     {
11311       MapDrawingArea(id);
11312     }
11313     else
11314     {
11315       UnmapDrawingArea(id);
11316
11317       // delete content areas in case of reducing number of them
11318       RemoveElementContentArea(id, font_height);
11319     }
11320   }
11321
11322   DrawText(x, y + 0 * tilesize, "generated", font_nr);
11323   DrawText(x, y + 1 * tilesize, "when",      font_nr);
11324   DrawText(x, y + 2 * tilesize, "active",    font_nr);
11325 }
11326
11327 static void DrawAndroidElementArea(void)
11328 {
11329   int id = ED_DRAWING_ID_ANDROID_CONTENT;
11330   int num_elements = level.num_android_clone_elements;
11331   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11332   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11333   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11334   int xsize = MAX_ANDROID_ELEMENTS;
11335   int ysize = 1;
11336
11337   // display counter to choose number of element areas
11338   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
11339
11340   if (drawingarea_info[id].text_left != NULL)
11341     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11342
11343   UnmapDrawingArea(id);
11344
11345   ModifyEditorDrawingArea(id, num_elements, 1);
11346
11347   // delete content areas in case of reducing number of them
11348   DrawBackground(sx, sy,
11349                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11350                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11351
11352   MapDrawingArea(id);
11353 }
11354
11355 static void DrawGroupElementArea(void)
11356 {
11357   int id = ED_DRAWING_ID_GROUP_CONTENT;
11358   int num_elements = group_element_info.num_elements;
11359   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11360   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11361   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11362   int xsize = MAX_ELEMENTS_IN_GROUP;
11363   int ysize = 1;
11364
11365   if (drawingarea_info[id].text_left != NULL)
11366     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11367
11368   UnmapDrawingArea(id);
11369
11370   ModifyEditorDrawingArea(id, num_elements, 1);
11371
11372   // delete content areas in case of reducing number of them
11373   DrawBackground(sx, sy,
11374                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11375                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11376
11377   MapDrawingArea(id);
11378 }
11379
11380 static void DrawPlayerInitialInventoryArea(int element)
11381 {
11382   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
11383   int player_nr = GET_PLAYER_NR(element);
11384   int num_elements = level.initial_inventory_size[player_nr];
11385   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11386   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11387   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11388   int xsize = MAX_INITIAL_INVENTORY_SIZE;
11389   int ysize = 1;
11390
11391   // determine horizontal position to the right of specified gadget
11392   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
11393     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
11394           ED_DRAWINGAREA_TEXT_DISTANCE);
11395
11396   // determine horizontal offset for leading text
11397   if (drawingarea_info[id].text_left != NULL)
11398     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11399
11400   UnmapDrawingArea(id);
11401
11402   ModifyEditorDrawingArea(id, num_elements, 1);
11403
11404   // delete content areas in case of reducing number of them
11405   DrawBackground(sx, sy,
11406                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11407                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11408
11409   MapDrawingArea(id);
11410 }
11411
11412 static void DrawMMBallContentArea(void)
11413 {
11414   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
11415   int num_elements = level.num_mm_ball_contents;
11416   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11417   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11418   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11419   int xsize = MAX_MM_BALL_CONTENTS;
11420   int ysize = 1;
11421
11422   if (drawingarea_info[id].text_left != NULL)
11423     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11424
11425   UnmapDrawingArea(id);
11426
11427   ModifyEditorDrawingArea(id, num_elements, 1);
11428
11429   // delete content areas in case of reducing number of them
11430   DrawBackground(sx, sy,
11431                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11432                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11433
11434   MapDrawingArea(id);
11435 }
11436
11437 static void DrawEnvelopeTextArea(int envelope_nr)
11438 {
11439   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
11440   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
11441
11442   UnmapGadget(gi);
11443
11444   DrawBackground(gi->x, gi->y,
11445                  gi->textarea.crop_width, gi->textarea.crop_height);
11446
11447   if (envelope_nr != -1)
11448     textarea_info[id].value = level.envelope[envelope_nr].text;
11449
11450   ModifyGadget(gi, GDI_AREA_SIZE,
11451                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
11452                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
11453                GDI_END);
11454
11455   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
11456 }
11457
11458 static void DrawPropertiesInfo(void)
11459 {
11460   static struct
11461   {
11462     int value;
11463     char *text;
11464   }
11465   properties[] =
11466   {
11467     // configurable properties
11468
11469     { EP_WALKABLE_OVER,         "- player can walk over it"             },
11470     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
11471     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
11472     { EP_PASSABLE_OVER,         "- player can pass over it"             },
11473     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
11474     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
11475     { EP_PROTECTED,             "- player is protected by it"           },
11476
11477     { EP_DIGGABLE,              "- can be digged away"                  },
11478     { EP_COLLECTIBLE,           "- can be collected"                    },
11479     { EP_DROPPABLE,             "- can be dropped after collecting"     },
11480     { EP_THROWABLE,             "- can be thrown after collecting"      },
11481     { EP_PUSHABLE,              "- can be pushed"                       },
11482
11483     { EP_CAN_FALL,              "- can fall"                            },
11484     { EP_CAN_MOVE,              "- can move"                            },
11485
11486     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
11487 #if 0
11488     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
11489 #endif
11490     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
11491
11492     { EP_SLIPPERY,              "- slippery for falling elements"       },
11493     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
11494
11495     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
11496     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
11497     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
11498     { EP_DONT_TOUCH,            "- deadly when touching"                },
11499
11500     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
11501
11502     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
11503     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
11504     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
11505
11506     { EP_CAN_CHANGE,            "- can change to other element"         },
11507
11508     // pre-defined properties
11509     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
11510     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
11511     { EP_SWITCHABLE,            "- can be switched"                     },
11512 #if 0
11513     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
11514 #endif
11515
11516     { -1,                       NULL                                    }
11517   };
11518   char *filename = getElementDescriptionFilename(properties_element);
11519   char *num_elements_text = "In this level: ";
11520   char *num_similar_text = "Similar tiles: ";
11521   char *properties_text = "Standard properties: ";
11522   char *description_text = "Description:";
11523   char *no_description_text = "No description available.";
11524   char *none_text = "None";
11525   float percentage;
11526   int num_elements_in_level = 0;
11527   int num_similar_in_level = 0;
11528   int num_hires_tiles_in_level = 0;
11529   int num_standard_properties = 0;
11530   int font1_nr = FONT_TEXT_1;
11531   int font2_nr = FONT_TEXT_2;
11532   int font1_width = getFontWidth(font1_nr);
11533   int font1_height = getFontHeight(font1_nr);
11534   int font2_height = getFontHeight(font2_nr);
11535   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
11536   int font2_yoffset = (font1_height - font2_height) / 2;
11537   int num_elements_text_len = strlen(num_elements_text) * font1_width;
11538   int num_similar_text_len = strlen(num_similar_text) * font1_width;
11539   int properties_text_len = strlen(properties_text) * font1_width;
11540   int xpos = ED_ELEMENT_SETTINGS_X(0);
11541   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11542   int i, x, y;
11543
11544   if (setup.editor.show_element_token)
11545   {
11546     int font3_nr = FONT_TEXT_3;
11547     int font3_height = getFontHeight(font3_nr);
11548
11549     DrawTextF(xpos, ypos, font3_nr,
11550               "[%s]", element_info[properties_element].token_name);
11551
11552     ypos += 2 * font3_height;
11553   }
11554
11555   // ----- print number of elements / percentage of this element in level
11556
11557   for (y = 0; y < lev_fieldy; y++)
11558   {
11559     for (x = 0; x < lev_fieldx; x++)
11560     {
11561       if (Tile[x][y] == properties_element)
11562       {
11563         num_elements_in_level++;
11564       }
11565       else if (IS_MM_WALL(Tile[x][y]) &&
11566                map_mm_wall_element(Tile[x][y]) == properties_element)
11567       {
11568         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
11569       }
11570     }
11571   }
11572
11573   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11574
11575   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
11576
11577   if (num_hires_tiles_in_level > 0)
11578     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11579               "%d wall tiles", num_hires_tiles_in_level);
11580   else if (num_elements_in_level > 0)
11581     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11582               "%d (%.2f %%)", num_elements_in_level, percentage);
11583   else
11584     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11585               none_text);
11586
11587   // ----- print number of similar elements / percentage of them in level
11588
11589   for (y = 0; y < lev_fieldy; y++)
11590   {
11591     for (x = 0; x < lev_fieldx; x++)
11592     {
11593       if (strEqual(element_info[Tile[x][y]].class_name,
11594                    element_info[properties_element].class_name))
11595       {
11596         num_similar_in_level++;
11597       }
11598     }
11599   }
11600
11601   if (num_similar_in_level != num_elements_in_level)
11602   {
11603     ypos += 1 * MAX(font1_height, font2_height);
11604
11605     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11606
11607     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
11608
11609     if (num_similar_in_level > 0)
11610       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11611                 "%d (%.2f %%)", num_similar_in_level, percentage);
11612     else
11613       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11614                 none_text);
11615   }
11616
11617   ypos += 2 * MAX(font1_height, font2_height);
11618
11619   // ----- print standard properties of this element
11620
11621   DrawTextS(xpos, ypos, font1_nr, properties_text);
11622
11623   ypos += line1_height;
11624
11625   for (i = 0; properties[i].value != -1; i++)
11626   {
11627     if (!HAS_PROPERTY(properties_element, properties[i].value))
11628       continue;
11629
11630     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
11631
11632     ypos += font2_height;
11633
11634     num_standard_properties++;
11635   }
11636
11637   if (num_standard_properties == 0)
11638   {
11639     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
11640               font2_nr, none_text);
11641
11642     ypos -= (line1_height - font1_height);
11643   }
11644
11645   ypos += MAX(font1_height, font2_height);
11646
11647   // ----- print special description of this element
11648
11649   PrintInfoText(description_text, font1_nr, xpos, ypos);
11650
11651   ypos += line1_height;
11652
11653   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
11654     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
11655 }
11656
11657 #define TEXT_COLLECTING                 "Score for collecting"
11658 #define TEXT_COLLECTING_EXTRA           "Score for extra diamonds"
11659 #define TEXT_SMASHING                   "Score for smashing"
11660 #define TEXT_SLURPING                   "Score for slurping robot"
11661 #define TEXT_CRACKING                   "Score for cracking"
11662 #define TEXT_AMOEBA_SPEED               "Speed of amoeba growth"
11663 #define TEXT_AMOEBA_THRESHOED           "Size for turning to rocks"
11664 #define TEXT_AMOEBA_SLOW_TIME           "Slow growth time (seconds)"
11665 #define TEXT_AMOEBA_SLOW_RATE           "Slow growth rate (percent)"
11666 #define TEXT_AMOEBA_FAST_RATE           "Fast growth rate (percent)"
11667 #define TEXT_DURATION                   "Duration when activated"
11668 #define TEXT_DELAY_ON                   "Delay before activating"
11669 #define TEXT_DELAY_OFF                  "Delay before deactivating"
11670 #define TEXT_DELAY_CHANGING             "Delay before changing"
11671 #define TEXT_DELAY_EXPLODING            "Delay before exploding"
11672 #define TEXT_DELAY_MOVING               "Delay before moving"
11673 #define TEXT_BALL_DELAY                 "Element generation delay"
11674 #define TEXT_MOVE_SPEED                 "Speed of android moving"
11675 #define TEXT_CLONE_SPEED                "Speed of android cloning"
11676 #define TEXT_GAME_OF_LIFE_1             "Min neighbours to survive"
11677 #define TEXT_GAME_OF_LIFE_2             "Max neighbours to survive"
11678 #define TEXT_GAME_OF_LIFE_3             "Min neighbours to create"
11679 #define TEXT_GAME_OF_LIFE_4             "Max neighbours to create"
11680 #define TEXT_TIME_BONUS                 "Extra time to solve level"
11681 #define TEXT_TIME_PENALTY               "Time penalty if destroyed"
11682 #define TEXT_PERMEABILITY_RATE          "slime permeability rate"
11683 #define TEXT_PERMEABILITY_BITS          "slime permeability bits"
11684 #define TEXT_RANDOM_SEED                "slime random number seed"
11685 #define TEXT_ACID_SPREAD_RATE           "Spread rate (percent)"
11686 #define TEXT_BITER_MOVE_DELAY           "Move delay (BD frames)"
11687 #define TEXT_REPLICATION_DELAY          "Create delay (BD frames)"
11688 #define TEXT_HAMMER_BREAK_DELAY         "Delay for breaking walls"
11689 #define TEXT_HAMMER_REAPPEAR_DELAY      "Delay for reappearing walls"
11690 #define TEXT_SKELETONS_NEEDED           "Skeletons needed to use pot"
11691 #define TEXT_SKELETONS_WORTH            "Counts as this many diamonds"
11692 #define TEXT_AUTO_TURN_DELAY            "Creatures auto turn delay"
11693 #define TEXT_GRAVITY_DELAY              "Gravity switch change delay"
11694
11695 static struct
11696 {
11697   int element;
11698   int *value;
11699   char *text;
11700   int min_value;
11701   int max_value;
11702 } elements_with_counter[] =
11703 {
11704   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11705   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11706   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
11707   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11708   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11709   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11710   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11711   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
11712   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
11713   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
11714   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
11715   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
11716   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
11717   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11718   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11719   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
11720   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
11721   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
11722   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11723   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11724   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
11725   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11726   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11727   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11728   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11729   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11730   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11731   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11732   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11733   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11734   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11735   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11736   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11737   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11738   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11739   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11740   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11741   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11742   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
11743   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
11744   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11745   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11746   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11747   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11748   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
11749   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11750   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11751   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11752   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11753   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11754   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11755   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11756   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
11757   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11758   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11759   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11760   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11761   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11762   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11763   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11764   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11765   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11766   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11767   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11768   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11769   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
11770   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11771   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11772   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
11773   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
11774   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11775   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
11776   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11777   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11778   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11779   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11780   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11781   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11782   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11783   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11784   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
11785   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
11786   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
11787                                 0, 100                                                          },
11788   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
11789                                 0, 100                                                          },
11790   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
11791   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
11792   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
11793                                 0, 100                                                          },
11794   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11795                                 0, 100                                                          },
11796   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11797   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11798   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11799   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11800   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11801   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11802   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11803   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11804   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11805   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11806   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11807                                 -100, 100                                                       },
11808   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11809                                 0, 100                                                          },
11810   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11811                                 0, 100                                                          },
11812   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11813                                 0, 255                                                          },
11814   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11815                                 -1, 65535                                                       },
11816   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11817                                 0, 100                                                          },
11818   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11819                                 0, 3                                                            },
11820   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11821                                 0, 3                                                            },
11822   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11823                                 0, 3                                                            },
11824   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11825                                 0, 3                                                            },
11826   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11827                                 0, 3                                                            },
11828   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
11829                                 0, 100                                                          },
11830   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_break_delay,     TEXT_HAMMER_BREAK_DELAY,
11831                                 1, 100                                                          },
11832   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_reappear_delay,  TEXT_HAMMER_REAPPEAR_DELAY,
11833                                 1, 200                                                          },
11834   { EL_BD_POT,                  &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11835                                 0, 50                                                           },
11836   { EL_BD_SKELETON,             &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11837                                 0, 50                                                           },
11838   { EL_BD_SKELETON,             &level.bd_skeleton_worth_num_diamonds,  TEXT_SKELETONS_WORTH,
11839                                 0, 10                                                           },
11840   { EL_BD_CREATURE_SWITCH,      &level.bd_creatures_auto_turn_delay,    TEXT_AUTO_TURN_DELAY    },
11841   { EL_BD_GRAVITY_SWITCH,       &level.bd_gravity_switch_delay,         TEXT_GRAVITY_DELAY,
11842                                 1, 60                                                           },
11843   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11844   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11845   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11846   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11847   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11848   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11849   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11850   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11851   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11852   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11853   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11854   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11855   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11856   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11857   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11858   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11859   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11860   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11861   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11862   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11863   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11864   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11865   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11866   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11867   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11868
11869   { -1,                         NULL,                                   NULL                    }
11870 };
11871
11872 static boolean checkPropertiesConfig(int element)
11873 {
11874   int i;
11875
11876   // special case: empty space customization only available in R'n'D game engine
11877   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11878     return FALSE;
11879
11880   // special case: BD style rock customization only available in BD game engine
11881   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11882     return FALSE;
11883
11884   if (IS_GEM(element) ||
11885       IS_CUSTOM_ELEMENT(element) ||
11886       IS_GROUP_ELEMENT(element) ||
11887       IS_EMPTY_ELEMENT(element) ||
11888       IS_BALLOON_ELEMENT(element) ||
11889       IS_ENVELOPE(element) ||
11890       IS_MM_ENVELOPE(element) ||
11891       IS_MM_MCDUFFIN(element) ||
11892       IS_DF_LASER(element) ||
11893       IS_PLAYER_ELEMENT(element) ||
11894       IS_BD_PLAYER_ELEMENT(element) ||
11895       IS_BD_FIREFLY(properties_element) ||
11896       IS_BD_FIREFLY_2(properties_element) ||
11897       IS_BD_BUTTERFLY(properties_element) ||
11898       IS_BD_BUTTERFLY_2(properties_element) ||
11899       IS_BD_STONEFLY(properties_element) ||
11900       IS_BD_DRAGONFLY(properties_element) ||
11901       IS_BD_EXPANDABLE_WALL(properties_element) ||
11902       IS_BD_EXPANDABLE_STEELWALL(properties_element) ||
11903       IS_BD_CONVEYOR_BELT(properties_element) ||
11904       IS_BD_CONVEYOR_BELT_SWITCH(properties_element) ||
11905       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11906       HAS_EDITOR_CONTENT(element) ||
11907       CAN_GROW(element) ||
11908       COULD_MOVE_INTO_ACID(element) ||
11909       MAYBE_DONT_COLLIDE_WITH(element) ||
11910       element == EL_BD_SAND ||
11911       element == EL_BD_ROCK ||
11912       element == EL_BD_MEGA_ROCK ||
11913       element == EL_BD_BOMB ||
11914       element == EL_BD_ROCKET_LAUNCHER ||
11915       element == EL_BD_NITRO_PACK ||
11916       element == EL_BD_SWEET ||
11917       element == EL_BD_VOODOO_DOLL ||
11918       element == EL_BD_WATER ||
11919       element == EL_BD_GRAVITY_SWITCH)
11920   {
11921     return TRUE;
11922   }
11923   else
11924   {
11925     for (i = 0; elements_with_counter[i].element != -1; i++)
11926       if (elements_with_counter[i].element == element)
11927         return TRUE;
11928   }
11929
11930   return FALSE;
11931 }
11932
11933 static void SetAutomaticNumberOfGemsNeeded(void)
11934 {
11935   int x, y;
11936
11937   if (!level.auto_count_gems)
11938     return;
11939
11940   level.gems_needed = 0;
11941
11942   for (x = 0; x < lev_fieldx; x++)
11943   {
11944     for (y = 0; y < lev_fieldy; y++)
11945     {
11946       int element = Tile[x][y];
11947
11948       switch (element)
11949       {
11950         case EL_EMERALD:
11951         case EL_EMERALD_YELLOW:
11952         case EL_EMERALD_RED:
11953         case EL_EMERALD_PURPLE:
11954         case EL_BD_DIAMOND:
11955         case EL_WALL_EMERALD:
11956         case EL_WALL_EMERALD_YELLOW:
11957         case EL_WALL_EMERALD_RED:
11958         case EL_WALL_EMERALD_PURPLE:
11959         case EL_WALL_BD_DIAMOND:
11960         case EL_NUT:
11961         case EL_SP_INFOTRON:
11962         case EL_MM_KETTLE:
11963         case EL_DF_CELL:
11964           level.gems_needed++;
11965           break;
11966
11967         case EL_DIAMOND:
11968         case EL_WALL_DIAMOND:
11969           level.gems_needed += 3;
11970           break;
11971
11972         case EL_PEARL:
11973         case EL_WALL_PEARL:
11974           level.gems_needed += 5;
11975           break;
11976
11977         case EL_CRYSTAL:
11978         case EL_WALL_CRYSTAL:
11979           level.gems_needed += 8;
11980           break;
11981
11982         default:
11983           break;
11984       }
11985     }
11986   }
11987
11988   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11989 }
11990
11991 static void DrawPropertiesConfig(void)
11992 {
11993   boolean draw_footer_line = FALSE;
11994   int max_num_element_counters = 4;
11995   int num_element_counters = 0;
11996   int i;
11997
11998   if (!checkPropertiesConfig(properties_element))
11999   {
12000     int xpos = ED_ELEMENT_SETTINGS_X(0);
12001     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
12002
12003     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
12004
12005     return;
12006   }
12007
12008   // check if there are elements where a value can be chosen for
12009   for (i = 0; elements_with_counter[i].element != -1; i++)
12010   {
12011     if (elements_with_counter[i].element != properties_element)
12012       continue;
12013
12014     // special case: score for extra diamonds only available in BD game engine
12015     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
12016         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
12017         level.game_engine_type != GAME_ENGINE_TYPE_BD)
12018       continue;
12019
12020     // special case: some amoeba counters only available in BD game engine
12021     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
12022         elements_with_counter[i].value != &level.amoeba_speed &&
12023         level.game_engine_type != GAME_ENGINE_TYPE_BD)
12024       continue;
12025
12026     // special case: score for smashing only available in R'n'D game engine
12027     if ((IS_BD_FIREFLY(elements_with_counter[i].element) ||
12028          IS_BD_BUTTERFLY(elements_with_counter[i].element)) &&
12029         (elements_with_counter[i].value == &level.score[SC_BUG] ||
12030          elements_with_counter[i].value == &level.score[SC_SPACESHIP]) &&
12031         level.game_engine_type == GAME_ENGINE_TYPE_BD)
12032       continue;
12033
12034     // special case: some amoeba counters only available in R'n'D game engine
12035     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
12036         elements_with_counter[i].value == &level.amoeba_speed &&
12037         level.game_engine_type == GAME_ENGINE_TYPE_BD)
12038       continue;
12039
12040     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
12041
12042     counterbutton_info[counter_id].y =
12043       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
12044                                (CAN_GROW(properties_element)                ? 1 : 0) +
12045                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
12046                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
12047                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
12048                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
12049                                (properties_element == EL_BD_ACID            ? 1 : 0) +
12050                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
12051                                (properties_element == EL_BD_CREATURE_SWITCH ? 1 : 0) +
12052                                (properties_element == EL_BD_GRAVITY_SWITCH  ? 2 : 0) +
12053                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
12054                                num_element_counters);
12055
12056     // special case: set magic wall counter for BD game engine separately
12057     if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12058       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(1);
12059
12060     // special case: set amoeba counters for BD game engine separately
12061     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
12062         (properties_element == EL_BD_AMOEBA_2))
12063       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
12064
12065     // special case: set position for delay counter for reappearing hammered walls
12066     if (properties_element == EL_BD_PNEUMATIC_HAMMER && num_element_counters > 0)
12067       counterbutton_info[counter_id].y += 1;
12068
12069     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
12070     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
12071     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
12072     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
12073
12074     // default: counter values between 0 and 999
12075     if (counterbutton_info[counter_id].max_value == 0)
12076       counterbutton_info[counter_id].max_value = 999;
12077
12078     MapCounterButtons(counter_id);
12079
12080     num_element_counters++;
12081     if (num_element_counters >= max_num_element_counters)
12082       break;
12083   }
12084
12085   if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12086   {
12087     // draw stickybutton gadget
12088     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12089
12090     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_ZERO_INFINITE);
12091     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
12092     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
12093     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_BREAK_SCAN);
12094
12095     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO);
12096     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO);
12097     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO);
12098     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO);
12099     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO);
12100     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO);
12101     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO);
12102   }
12103
12104   if (HAS_EDITOR_CONTENT(properties_element))
12105   {
12106     // draw stickybutton gadget
12107     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12108
12109     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12110     {
12111       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
12112       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
12113
12114       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
12115       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
12116     }
12117     else if (properties_element == EL_BD_AMOEBA_2)
12118     {
12119       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
12120       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
12121       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
12122
12123       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
12124       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
12125       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
12126       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
12127     }
12128     else if (IS_AMOEBOID(properties_element))
12129     {
12130       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
12131     }
12132     else if (properties_element == EL_BD_ACID)
12133     {
12134       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
12135       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
12136     }
12137     else if (IS_BD_BITER(properties_element))
12138     {
12139       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
12140     }
12141     else if (properties_element == EL_BD_BLADDER)
12142     {
12143       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
12144     }
12145     else if (properties_element == EL_YAMYAM ||
12146              properties_element == EL_YAMYAM_LEFT ||
12147              properties_element == EL_YAMYAM_RIGHT ||
12148              properties_element == EL_YAMYAM_UP ||
12149              properties_element == EL_YAMYAM_DOWN)
12150     {
12151       DrawYamYamContentAreas();
12152     }
12153     else if (properties_element == EL_EMC_MAGIC_BALL)
12154     {
12155       DrawMagicBallContentAreas();
12156
12157       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
12158       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
12159     }
12160     else if (properties_element == EL_EMC_ANDROID)
12161     {
12162       DrawAndroidElementArea();
12163     }
12164     else if (properties_element == EL_MM_GRAY_BALL)
12165     {
12166       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
12167       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
12168       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
12169       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
12170
12171       DrawMMBallContentArea();
12172     }
12173   }
12174
12175   if (IS_PLAYER_ELEMENT(properties_element))
12176   {
12177     int player_nr = GET_PLAYER_NR(properties_element);
12178
12179     // these properties can be set for every player individually
12180
12181     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12182     {
12183       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
12184         &level.start_element[player_nr];
12185       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
12186         &level.artwork_element[player_nr];
12187       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
12188         &level.explosion_element[player_nr];
12189
12190       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
12191         &level.use_start_element[player_nr];
12192       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
12193         &level.use_artwork_element[player_nr];
12194       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
12195         &level.use_explosion_element[player_nr];
12196       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
12197         &level.initial_player_gravity[player_nr];
12198
12199       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
12200         &level.initial_player_stepsize[player_nr];
12201
12202       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
12203       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
12204                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
12205                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
12206       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
12207       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
12208       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
12209       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
12210       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
12211       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
12212       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
12213       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
12214       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
12215       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
12216       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
12217
12218       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
12219       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
12220       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
12221
12222       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
12223     }
12224     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12225     {
12226       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
12227         &level.initial_inventory_content[player_nr][0];
12228
12229       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
12230         &level.initial_inventory_size[player_nr];
12231
12232       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
12233         &level.use_initial_inventory[player_nr];
12234
12235       // draw checkbutton gadgets
12236       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
12237       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
12238       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
12239
12240       // draw counter gadgets
12241       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
12242
12243       // draw drawing area gadgets
12244       DrawPlayerInitialInventoryArea(properties_element);
12245     }
12246   }
12247
12248   if (IS_BD_PLAYER_ELEMENT(properties_element))
12249   {
12250     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
12251       ED_ELEMENT_SETTINGS_YPOS(2);
12252     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12253       ED_ELEMENT_SETTINGS_YPOS(3);
12254     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
12255       ED_ELEMENT_SETTINGS_YPOS(4);
12256
12257     // draw checkbutton gadgets
12258     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
12259     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
12260     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
12261
12262     // draw counter gadgets
12263     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
12264     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12265
12266     // draw drawing area gadgets
12267     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
12268   }
12269
12270   if (properties_element == EL_BD_SAND)
12271   {
12272     MapDrawingArea(ED_DRAWING_ID_BD_SAND_LOOKS_LIKE);
12273   }
12274
12275   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12276   {
12277     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
12278       ED_ELEMENT_SETTINGS_YPOS(0);
12279     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12280       ED_ELEMENT_SETTINGS_YPOS(1);
12281
12282     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
12283     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12284
12285     MapDrawingArea(ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING);
12286     MapDrawingArea(ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT);
12287   }
12288
12289   if (properties_element == EL_BD_DIAMOND && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12290   {
12291     MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING);
12292     MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT);
12293   }
12294
12295   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
12296   {
12297     if (IS_BD_FIREFLY(properties_element))
12298     {
12299       MapDrawingArea(ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO);
12300       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12301     }
12302     else if (IS_BD_FIREFLY_2(properties_element))
12303     {
12304       MapDrawingArea(ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO);
12305       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12306     }
12307     else if (IS_BD_BUTTERFLY(properties_element))
12308     {
12309       MapDrawingArea(ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO);
12310       MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO);
12311     }
12312     else if (IS_BD_BUTTERFLY_2(properties_element))
12313     {
12314       MapDrawingArea(ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO);
12315       MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_BIRTH_TURNS_TO);
12316     }
12317     else if (IS_BD_STONEFLY(properties_element))
12318     {
12319       MapDrawingArea(ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO);
12320     }
12321     else if (IS_BD_DRAGONFLY(properties_element))
12322     {
12323       MapDrawingArea(ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO);
12324       MapDrawingArea(ED_DRAWING_ID_BD_EXPLOSION_TURNS_TO);
12325     }
12326     else if (properties_element == EL_BD_BOMB)
12327     {
12328       MapDrawingArea(ED_DRAWING_ID_BD_BOMB_EXPLOSION_TURNS_TO);
12329     }
12330     else if (properties_element == EL_BD_NITRO_PACK)
12331     {
12332       MapDrawingArea(ED_DRAWING_ID_BD_NITRO_EXPLOSION_TURNS_TO);
12333     }
12334   }
12335
12336   if (properties_element == EL_BD_MEGA_ROCK ||
12337       properties_element == EL_BD_SWEET)
12338   {
12339     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12340       ED_ELEMENT_SETTINGS_YPOS(0);
12341     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
12342       ED_ELEMENT_SETTINGS_YPOS(1);
12343
12344     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12345     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
12346   }
12347
12348   if (properties_element == EL_BD_VOODOO_DOLL)
12349   {
12350     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
12351     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
12352     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
12353     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
12354   }
12355
12356   if (properties_element == EL_BD_SLIME)
12357   {
12358     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
12359
12360     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1);
12361     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1);
12362     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2);
12363     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2);
12364     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3);
12365     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3);
12366   }
12367
12368   if (IS_BD_EXPANDABLE_WALL(properties_element) ||
12369       IS_BD_EXPANDABLE_STEELWALL(properties_element))
12370   {
12371     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
12372
12373     if (IS_BD_EXPANDABLE_WALL(properties_element))
12374       MapDrawingArea(ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE);
12375   }
12376
12377   if (properties_element == EL_BD_REPLICATOR)
12378   {
12379     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
12380   }
12381
12382   if (IS_BD_CONVEYOR_BELT(properties_element) ||
12383       IS_BD_CONVEYOR_BELT_SWITCH(properties_element))
12384   {
12385     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
12386     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
12387   }
12388
12389   if (properties_element == EL_BD_WATER)
12390   {
12391     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN);
12392   }
12393
12394   if (properties_element == EL_BD_PNEUMATIC_HAMMER)
12395   {
12396     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR);
12397   }
12398
12399   if (properties_element == EL_BD_ROCKET_LAUNCHER)
12400   {
12401     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_INFINITE_ROCKETS);
12402   }
12403
12404   if (properties_element == EL_BD_CREATURE_SWITCH)
12405   {
12406     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS);
12407     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING);
12408   }
12409
12410   if (properties_element == EL_BD_GRAVITY_SWITCH)
12411   {
12412     MapSelectboxGadget(ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION);
12413
12414     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE);
12415     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL);
12416   }
12417
12418   if (properties_element == EL_BD_NUT)
12419   {
12420     MapDrawingArea(ED_DRAWING_ID_BD_NUT_CONTENT);
12421   }
12422
12423   // special case: slippery walls option for gems only available in R'n'D game engine
12424   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
12425     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
12426
12427   if (properties_element == EL_EM_DYNAMITE)
12428     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
12429
12430   if (level.game_engine_type == GAME_ENGINE_TYPE_RND &&
12431       COULD_MOVE_INTO_ACID(properties_element) &&
12432       !IS_PLAYER_ELEMENT(properties_element) &&
12433       (!IS_CUSTOM_ELEMENT(properties_element) ||
12434        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
12435   {
12436     // set position for checkbutton for "can move into acid"
12437     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
12438       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
12439     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
12440       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
12441                                IS_BALLOON_ELEMENT(properties_element) ||
12442                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12443
12444     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
12445   }
12446
12447   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
12448     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
12449
12450   if (properties_element == EL_SPRING ||
12451       properties_element == EL_SPRING_LEFT ||
12452       properties_element == EL_SPRING_RIGHT)
12453     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
12454
12455   if (properties_element == EL_TIME_ORB_FULL)
12456     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
12457
12458   if (properties_element == EL_GAME_OF_LIFE ||
12459       properties_element == EL_BIOMAZE)
12460     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
12461
12462   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
12463   {
12464     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
12465       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12466
12467     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
12468   }
12469
12470   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
12471     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
12472
12473   if (properties_element == EL_SOKOBAN_OBJECT)
12474     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
12475
12476   if (properties_element == EL_SOKOBAN_OBJECT ||
12477       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
12478       properties_element == EL_SOKOBAN_FIELD_FULL)
12479   {
12480     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
12481       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
12482                                0 : 1);
12483
12484     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
12485   }
12486
12487   if (IS_BALLOON_ELEMENT(properties_element))
12488     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
12489
12490   if (IS_ENVELOPE(properties_element) ||
12491       IS_MM_ENVELOPE(properties_element))
12492   {
12493     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
12494     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
12495     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
12496     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
12497     int envelope_nr = ENVELOPE_NR(properties_element);
12498
12499     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
12500     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
12501
12502     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
12503     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
12504
12505     // display counter to choose size of envelope text area
12506     MapCounterButtons(counter1_id);
12507     MapCounterButtons(counter2_id);
12508
12509     // display checkbuttons to choose auto-wrap and alignment properties
12510     MapCheckbuttonGadget(button1_id);
12511     MapCheckbuttonGadget(button2_id);
12512
12513     DrawEnvelopeTextArea(envelope_nr);
12514   }
12515
12516   if (IS_MM_MCDUFFIN(properties_element))
12517   {
12518     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
12519     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
12520     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
12521   }
12522
12523   if (IS_DF_LASER(properties_element))
12524   {
12525     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
12526     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
12527     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
12528   }
12529
12530   if (IS_CUSTOM_ELEMENT(properties_element))
12531   {
12532     // draw stickybutton gadget
12533     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12534
12535     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12536     {
12537       // draw checkbutton gadgets
12538       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
12539            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
12540         MapCheckbuttonGadget(i);
12541
12542       // draw counter gadgets
12543       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
12544            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
12545         MapCounterButtons(i);
12546
12547       // draw selectbox gadgets
12548       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
12549            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
12550         MapSelectboxGadget(i);
12551
12552       // draw textbutton gadgets
12553       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12554
12555       // draw text input gadgets
12556       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12557
12558       // draw drawing area gadgets
12559       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12560
12561       draw_footer_line = TRUE;
12562     }
12563     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12564     {
12565       // draw checkbutton gadgets
12566       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
12567            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
12568         MapCheckbuttonGadget(i);
12569
12570       // draw counter gadgets
12571       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
12572            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
12573         MapCounterButtons(i);
12574
12575       // draw selectbox gadgets
12576       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
12577            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
12578         MapSelectboxGadget(i);
12579
12580       // draw drawing area gadgets
12581       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
12582       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
12583       DrawCustomContentArea();
12584     }
12585   }
12586   else if (IS_GROUP_ELEMENT(properties_element))
12587   {
12588     // draw stickybutton gadget
12589     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12590
12591     // draw checkbutton gadgets
12592     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12593     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12594
12595     // draw counter gadgets
12596     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
12597
12598     // draw selectbox gadgets
12599     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
12600
12601     // draw textbutton gadgets
12602     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12603
12604     // draw drawing area gadgets
12605     DrawGroupElementArea();
12606
12607     // draw text input gadgets
12608     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12609
12610     // draw drawing area gadgets
12611     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12612
12613     draw_footer_line = TRUE;
12614   }
12615   else if (IS_EMPTY_ELEMENT(properties_element))
12616   {
12617     // draw stickybutton gadget
12618     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12619
12620     // draw checkbutton gadgets
12621     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12622     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12623
12624     // draw textbutton gadgets
12625     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12626
12627     // draw drawing area gadgets
12628     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12629
12630     draw_footer_line = TRUE;
12631   }
12632
12633   // draw little footer border line above CE/GE use/save template gadgets
12634   if (draw_footer_line)
12635   {
12636     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
12637     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
12638     int gd_x = gd->x + gd_gi1->border.width / 2;
12639     int gd_y = gd->y + gd_gi1->height - 1;
12640     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
12641
12642     if (tab_color != BLACK_PIXEL)               // black => transparent
12643       FillRectangle(drawto,
12644                     SX + ED_ELEMENT_SETTINGS_X(0),
12645                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
12646                     ED_TAB_BAR_HEIGHT,
12647                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
12648   }
12649 }
12650
12651 static void DrawPropertiesChangeDrawingAreas(void)
12652 {
12653   if (IS_CUSTOM_ELEMENT(properties_element))
12654   {
12655     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
12656     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
12657     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
12658
12659     DrawCustomChangeContentArea();
12660   }
12661
12662   redraw_mask |= REDRAW_FIELD;
12663 }
12664
12665 static void DrawPropertiesChange(void)
12666 {
12667   int i;
12668
12669   // needed to initially set selectbox options for special action options
12670   setSelectboxSpecialActionOptions();
12671
12672   // draw stickybutton gadget
12673   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12674
12675   // draw checkbutton gadgets
12676   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
12677        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
12678     MapCheckbuttonGadget(i);
12679
12680   // draw counter gadgets
12681   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
12682        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
12683     MapCounterButtons(i);
12684
12685   // draw selectbox gadgets
12686   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
12687        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
12688     MapSelectboxGadget(i);
12689
12690   // draw textbutton gadgets
12691   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
12692        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
12693     MapTextbuttonGadget(i);
12694
12695   // draw graphicbutton gadgets
12696   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
12697        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
12698     MapGraphicbuttonGadget(i);
12699
12700   // draw drawing area gadgets
12701   DrawPropertiesChangeDrawingAreas();
12702 }
12703
12704 static void DrawEditorElementAnimation(int x, int y)
12705 {
12706   int graphic;
12707   int frame;
12708
12709   getEditorGraphicAndFrame(properties_element, &graphic, &frame, FALSE);
12710
12711   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
12712 }
12713
12714 static void DrawEditorElementName(int x, int y, int font_nr)
12715 {
12716   char *element_name = getElementInfoText(properties_element);
12717   int font_width = getFontWidth(font_nr);
12718   int font_height = getFontHeight(font_nr);
12719   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
12720   int max_chars_per_line = max_text_width / font_width;
12721
12722   if (strlen(element_name) <= max_chars_per_line)
12723     DrawTextS(x, y, font_nr, element_name);
12724   else
12725   {
12726     char buffer[max_chars_per_line + 1];
12727     int next_pos = max_chars_per_line;
12728
12729     strncpy(buffer, element_name, max_chars_per_line);
12730     buffer[max_chars_per_line] = '\0';
12731
12732     if (element_name[max_chars_per_line] == ' ')
12733       next_pos++;
12734     else
12735     {
12736       int i;
12737
12738       for (i = max_chars_per_line - 1; i >= 0; i--)
12739         if (buffer[i] == ' ')
12740           break;
12741
12742       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
12743       {
12744         buffer[i] = '\0';
12745         next_pos = i + 1;
12746       }
12747     }
12748
12749     DrawTextS(x, y - font_height / 2, font_nr, buffer);
12750
12751     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
12752     buffer[max_chars_per_line] = '\0';
12753
12754     DrawTextS(x, y + font_height / 2, font_nr, buffer);
12755   }
12756 }
12757
12758 static void DrawPropertiesWindow(void)
12759 {
12760   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
12761   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12762   int border_size = gd->border_size;
12763   int font_nr = FONT_TEXT_1;
12764   int font_height = getFontHeight(font_nr);
12765   int xoffset = TILEX + element_border + 3 * border_size;
12766   int yoffset = (TILEY - font_height) / 2;
12767   int x1 = editor.settings.element_graphic.x + element_border;
12768   int y1 = editor.settings.element_graphic.y + element_border;
12769   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
12770             editor.settings.element_name.x);
12771   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
12772             editor.settings.element_name.y);
12773   char *text = "Element Settings";
12774   int font2_nr = FONT_TITLE_1;
12775   struct MenuPosInfo *pos = &editor.settings.headline;
12776   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
12777   int sy = SY + pos->y;
12778
12779   stick_element_properties_window = FALSE;
12780
12781   // make sure that previous properties edit mode exists for this element
12782   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
12783       !IS_CUSTOM_ELEMENT(properties_element))
12784     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
12785
12786   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
12787       !IS_PLAYER_ELEMENT(properties_element) &&
12788       !IS_CUSTOM_ELEMENT(properties_element))
12789     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
12790
12791   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
12792       (IS_PLAYER_ELEMENT(properties_element) ||
12793        IS_CUSTOM_ELEMENT(properties_element)))
12794     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
12795
12796   CopyElementPropertiesToEditor(properties_element);
12797
12798   UnmapLevelEditorFieldGadgets();
12799   UnmapLevelEditorToolboxDrawingGadgets();
12800   UnmapLevelEditorToolboxCustomGadgets();
12801
12802   MapLevelEditorToolboxCustomGadgetsIfNeeded();
12803
12804   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12805   ClearField();
12806
12807   DrawText(sx, sy, text, font2_nr);
12808
12809   FrameCounter = 0;     // restart animation frame counter
12810
12811   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
12812   DrawEditorElementAnimation(SX + x1, SY + y1);
12813   DrawEditorElementName(x2, y2, font_nr);
12814
12815   DrawPropertiesTabulatorGadgets();
12816
12817   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
12818     DrawPropertiesInfo();
12819   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
12820     DrawPropertiesChange();
12821   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
12822     DrawPropertiesConfig();
12823 }
12824
12825 static void DrawPaletteWindow(void)
12826 {
12827   int i;
12828
12829   UnmapLevelEditorFieldGadgets();
12830
12831   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12832   ClearField();
12833
12834   // map buttons to select elements
12835   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
12836     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
12837   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
12838   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
12839   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
12840 }
12841
12842 static void UpdateCustomElementGraphicGadgets(void)
12843 {
12844   int i;
12845
12846   InitElementPropertiesGfxElement();
12847
12848   ModifyEditorElementList();
12849   RedrawDrawingElements();
12850
12851   // force redraw of all mapped drawing area gadgets
12852   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
12853   {
12854     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
12855
12856     if (gi->mapped)
12857       MapDrawingArea(i);
12858   }
12859 }
12860
12861 static int getOpenDirectionFromTube(int element)
12862 {
12863   switch (element)
12864   {
12865     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
12866     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
12867     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
12868     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
12869     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
12870     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
12871     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
12872     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
12873     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
12874     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
12875     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
12876   }
12877
12878   return MV_NONE;
12879 }
12880
12881 static int getTubeFromOpenDirection(int direction)
12882 {
12883   switch (direction)
12884   {
12885     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
12886     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
12887     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
12888     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
12889     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
12890     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
12891     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
12892     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
12893     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
12894     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
12895     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
12896
12897     // if only one direction, fall back to simple tube with that direction
12898     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
12899     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
12900     case (MV_UP):                       return EL_TUBE_VERTICAL;
12901     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
12902   }
12903
12904   return EL_EMPTY;
12905 }
12906
12907 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
12908 {
12909   int element_new = getTubeFromOpenDirection(direction);
12910
12911   return (element_new != EL_EMPTY ? element_new : element_old);
12912 }
12913
12914 static int getOpenDirectionFromBelt(int element)
12915 {
12916   int belt_dir = getBeltDirFromBeltElement(element);
12917
12918   return (belt_dir == MV_LEFT ? MV_RIGHT :
12919           belt_dir == MV_RIGHT ? MV_LEFT :
12920           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
12921 }
12922
12923 static int getBeltFromNrAndOpenDirection(int nr, int direction)
12924 {
12925   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
12926                   direction == MV_RIGHT ? MV_LEFT :
12927                   direction == MV_HORIZONTAL ? MV_NONE : direction);
12928
12929   if (direction == MV_NONE)
12930     return EL_EMPTY;
12931
12932   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
12933 }
12934
12935 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
12936                                                  int element_old)
12937 {
12938   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
12939
12940   return (element_new != EL_EMPTY ? element_new : element_old);
12941 }
12942
12943 static int getOpenDirectionFromPool(int element)
12944 {
12945   switch (element)
12946   {
12947     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
12948     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
12949     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
12950     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
12951     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
12952     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
12953   }
12954
12955   return MV_NONE;
12956 }
12957
12958 static int getPoolFromOpenDirection(int direction)
12959 {
12960   switch (direction)
12961   {
12962     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
12963     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
12964     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
12965     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
12966     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
12967     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
12968   }
12969
12970   return EL_EMPTY;
12971 }
12972
12973 static int getPoolFromOpenDirectionExt(int direction, int help_element)
12974 {
12975   int element = getPoolFromOpenDirection(direction);
12976   int help_direction = getOpenDirectionFromPool(help_element);
12977
12978   if (element == EL_EMPTY)
12979   {
12980     int help_direction_vertical = help_direction & MV_VERTICAL;
12981
12982     element = getPoolFromOpenDirection(direction | help_direction_vertical);
12983   }
12984
12985   if (element == EL_EMPTY)
12986   {
12987     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
12988
12989     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
12990   }
12991
12992   return element;
12993 }
12994
12995 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
12996 {
12997   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
12998
12999   return (element_new != EL_EMPTY ? element_new : element_old);
13000 }
13001
13002 static int getOpenDirectionFromPillar(int element)
13003 {
13004   switch (element)
13005   {
13006     case EL_EMC_WALL_1:                 return (MV_DOWN);
13007     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
13008     case EL_EMC_WALL_3:                 return (MV_UP);
13009   }
13010
13011   return MV_NONE;
13012 }
13013
13014 static int getPillarFromOpenDirection(int direction)
13015 {
13016   switch (direction)
13017   {
13018     case (MV_DOWN):                     return EL_EMC_WALL_1;
13019     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
13020     case (MV_UP):                       return EL_EMC_WALL_3;
13021   }
13022
13023   return EL_EMPTY;
13024 }
13025
13026 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
13027 {
13028   int element_new = getPillarFromOpenDirection(direction);
13029
13030   return (element_new != EL_EMPTY ? element_new : element_old);
13031 }
13032
13033 static int getOpenDirectionFromSteel2(int element)
13034 {
13035   switch (element)
13036   {
13037     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
13038     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
13039     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
13040     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
13041     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
13042     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
13043     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
13044     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
13045   }
13046
13047   return MV_NONE;
13048 }
13049
13050 static int getSteel2FromOpenDirection(int direction)
13051 {
13052   switch (direction)
13053   {
13054     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
13055     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
13056     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
13057     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
13058     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
13059     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
13060     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
13061     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
13062   }
13063
13064   return EL_EMPTY;
13065 }
13066
13067 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
13068 {
13069   int element_new = getSteel2FromOpenDirection(direction);
13070
13071   return (element_new != EL_EMPTY ? element_new : element_old);
13072 }
13073
13074 static int getOpenDirectionFromChip(int element)
13075 {
13076   switch (element)
13077   {
13078     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
13079     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
13080     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
13081     case EL_SP_CHIP_TOP:                return (MV_DOWN);
13082     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
13083   }
13084
13085   return MV_NONE;
13086 }
13087
13088 static int getChipFromOpenDirection(int direction)
13089 {
13090   switch (direction)
13091   {
13092     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
13093     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
13094     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
13095     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
13096     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
13097   }
13098
13099   return EL_EMPTY;
13100 }
13101
13102 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
13103 {
13104   int element_new = getChipFromOpenDirection(direction);
13105
13106   return (element_new != EL_EMPTY ? element_new : element_old);
13107 }
13108
13109 static int getClosedTube(int x, int y)
13110 {
13111   struct XY *xy = xy_directions;
13112   int element_old = IntelliDrawBuffer[x][y];
13113   int direction_old = getOpenDirectionFromTube(element_old);
13114   int direction_new = MV_NONE;
13115   int i;
13116
13117   for (i = 0; i < NUM_DIRECTIONS; i++)
13118   {
13119     int xx = x + xy[i].x;
13120     int yy = y + xy[i].y;
13121     int dir = MV_DIR_FROM_BIT(i);
13122     int dir_opposite = MV_DIR_OPPOSITE(dir);
13123
13124     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
13125         (direction_old & dir) &&
13126         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13127       direction_new |= dir;
13128   }
13129
13130   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
13131 }
13132
13133 static int getClosedBelt(int x, int y)
13134 {
13135   struct XY *xy = xy_directions;
13136   int element_old = IntelliDrawBuffer[x][y];
13137   int nr = getBeltNrFromBeltElement(element_old);
13138   int direction_old = getOpenDirectionFromBelt(element_old);
13139   int direction_new = MV_NONE;
13140   int i;
13141
13142   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
13143   {
13144     int xx = x + xy[i].x;
13145     int yy = y + xy[i].y;
13146     int dir = MV_DIR_FROM_BIT(i);
13147     int dir_opposite = MV_DIR_OPPOSITE(dir);
13148
13149     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
13150         (direction_old & dir) &&
13151         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13152       direction_new |= dir;
13153   }
13154
13155   return getBeltFromNrAndOpenDirection(nr, direction_new);
13156 }
13157
13158 static int getClosedPool(int x, int y)
13159 {
13160   struct XY *xy = xy_directions;
13161   int element_old = IntelliDrawBuffer[x][y];
13162   int direction_old = getOpenDirectionFromPool(element_old);
13163   int direction_new = MV_NONE;
13164   int i;
13165
13166   for (i = 0; i < NUM_DIRECTIONS; i++)
13167   {
13168     int xx = x + xy[i].x;
13169     int yy = y + xy[i].y;
13170     int dir = MV_DIR_FROM_BIT(i);
13171     int dir_opposite = MV_DIR_OPPOSITE(dir);
13172
13173     if (IN_LEV_FIELD(xx, yy) &&
13174         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
13175         (direction_old & dir) &&
13176         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13177       direction_new |= dir;
13178   }
13179
13180   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
13181 }
13182
13183 static int getClosedPillar(int x, int y)
13184 {
13185   struct XY *xy = xy_directions;
13186   int element_old = IntelliDrawBuffer[x][y];
13187   int direction_old = getOpenDirectionFromPillar(element_old);
13188   int direction_new = MV_NONE;
13189   int i;
13190
13191   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13192   {
13193     int xx = x + xy[i].x;
13194     int yy = y + xy[i].y;
13195     int dir = MV_DIR_FROM_BIT(i);
13196     int dir_opposite = MV_DIR_OPPOSITE(dir);
13197
13198     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
13199         (direction_old & dir) &&
13200         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13201       direction_new |= dir;
13202   }
13203
13204   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
13205 }
13206
13207 static int getClosedSteel2(int x, int y)
13208 {
13209   struct XY *xy = xy_directions;
13210   int element_old = IntelliDrawBuffer[x][y];
13211   int direction_old = getOpenDirectionFromSteel2(element_old);
13212   int direction_new = MV_NONE;
13213   int i;
13214
13215   for (i = 0; i < NUM_DIRECTIONS; i++)
13216   {
13217     int xx = x + xy[i].x;
13218     int yy = y + xy[i].y;
13219     int dir = MV_DIR_FROM_BIT(i);
13220     int dir_opposite = MV_DIR_OPPOSITE(dir);
13221
13222     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
13223         (direction_old & dir) &&
13224         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13225       direction_new |= dir;
13226   }
13227
13228   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
13229 }
13230
13231 static int getClosedChip(int x, int y)
13232 {
13233   struct XY *xy = xy_directions;
13234   int element_old = IntelliDrawBuffer[x][y];
13235   int direction_old = getOpenDirectionFromChip(element_old);
13236   int direction_new = MV_NONE;
13237   int i;
13238
13239   for (i = 0; i < NUM_DIRECTIONS; i++)
13240   {
13241     int xx = x + xy[i].x;
13242     int yy = y + xy[i].y;
13243     int dir = MV_DIR_FROM_BIT(i);
13244     int dir_opposite = MV_DIR_OPPOSITE(dir);
13245
13246     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
13247         (direction_old & dir) &&
13248         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
13249       direction_new |= dir;
13250   }
13251
13252   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
13253 }
13254
13255 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
13256                                 boolean change_level)
13257 {
13258   int sx = x - level_xpos;
13259   int sy = y - level_ypos;
13260   int old_element = Tile[x][y];
13261   int new_element = element;
13262   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
13263   boolean draw_masked = FALSE;
13264
13265   if (IS_MM_WALL_EDITOR(element))
13266   {
13267     element = map_mm_wall_element_editor(element) | new_bitmask;
13268
13269     if (IS_MM_WALL(old_element))
13270       element |= MM_WALL_BITS(old_element);
13271
13272     if (!change_level)
13273       draw_masked = TRUE;
13274   }
13275   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
13276   {
13277     int element_changed = old_element & ~new_bitmask;
13278
13279     if (MM_WALL_BITS(element_changed) != 0)
13280       element = element_changed;
13281   }
13282
13283   IntelliDrawBuffer[x][y] = element;
13284
13285   if (change_level)
13286     Tile[x][y] = element;
13287
13288   if (IN_ED_FIELD(sx, sy))
13289   {
13290     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
13291       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
13292     else if (draw_masked)
13293       DrawEditorElementThruMask(sx, sy, element);
13294     else
13295       DrawEditorElement(sx, sy, element);
13296   }
13297 }
13298
13299 static void SetElementSimple(int x, int y, int element, boolean change_level)
13300 {
13301   SetElementSimpleExt(x, y, 0, 0, element, change_level);
13302 }
13303
13304 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
13305                                            int x2, int y2, int *element2,
13306                                            int (*close_function)(int, int),
13307                                            boolean change_level)
13308 {
13309   // set neighbour elements to newly determined connections
13310   SetElementSimple(x1, y1, *element1, change_level);
13311   SetElementSimple(x2, y2, *element2, change_level);
13312
13313   // remove all open connections of neighbour elements
13314   *element1 = close_function(x1, y1);
13315   *element2 = close_function(x2, y2);
13316
13317   // set neighbour elements to new, minimized connections
13318   SetElementSimple(x1, y1, *element1, change_level);
13319   SetElementSimple(x2, y2, *element2, change_level);
13320 }
13321
13322 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
13323                                   boolean change_level, int button)
13324 {
13325   struct XY *xy = xy_directions;
13326   static int last_x = -1;
13327   static int last_y = -1;
13328
13329   if (new_element == EL_UNDEFINED)
13330   {
13331     last_x = -1;
13332     last_y = -1;
13333
13334     return;
13335   }
13336
13337   int old_element = IntelliDrawBuffer[x][y];
13338
13339   if (IS_TUBE(new_element))
13340   {
13341     int last_element_new = EL_UNDEFINED;
13342     int direction = MV_NONE;
13343     int i;
13344
13345     // if old element is of same kind, keep all existing directions
13346     if (IS_TUBE(old_element))
13347       direction |= getOpenDirectionFromTube(old_element);
13348
13349     for (i = 0; i < NUM_DIRECTIONS; i++)
13350     {
13351       int xx = x + xy[i].x;
13352       int yy = y + xy[i].y;
13353
13354       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13355           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
13356       {
13357         int dir = MV_DIR_FROM_BIT(i);
13358         int dir_opposite = MV_DIR_OPPOSITE(dir);
13359         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13360         int last_direction_old = getOpenDirectionFromTube(last_element_old);
13361         int last_direction_new = last_direction_old | dir_opposite;
13362
13363         last_element_new = getTubeFromOpenDirection(last_direction_new);
13364
13365         direction |= dir;
13366       }
13367     }
13368
13369     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
13370
13371     if (last_element_new != EL_UNDEFINED)
13372       MergeAndCloseNeighbourElements(x, y, &new_element,
13373                                      last_x, last_y, &last_element_new,
13374                                      getClosedTube, change_level);
13375   }
13376   else if (IS_BELT(new_element))
13377   {
13378     int belt_nr = getBeltNrFromBeltElement(new_element);
13379     int last_element_new = EL_UNDEFINED;
13380     int direction = MV_NONE;
13381     int i;
13382
13383     // if old element is of same kind, keep all existing directions
13384     if (IS_BELT(old_element))
13385       direction |= getOpenDirectionFromBelt(old_element);
13386
13387     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
13388     {
13389       int xx = x + xy[i].x;
13390       int yy = y + xy[i].y;
13391
13392       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13393           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
13394       {
13395         int dir = MV_DIR_FROM_BIT(i);
13396         int dir_opposite = MV_DIR_OPPOSITE(dir);
13397         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13398         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
13399         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
13400         int last_direction_new = last_direction_old | dir_opposite;
13401
13402         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
13403                                                          last_direction_new);
13404         direction |= dir;
13405       }
13406     }
13407
13408     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
13409                                                         new_element);
13410     if (last_element_new != EL_UNDEFINED)
13411       MergeAndCloseNeighbourElements(x, y, &new_element,
13412                                      last_x, last_y, &last_element_new,
13413                                      getClosedBelt, change_level);
13414   }
13415   else if (IS_ACID_POOL_OR_ACID(new_element))
13416   {
13417     int last_element_new = EL_UNDEFINED;
13418     int direction = MV_NONE;
13419     int i;
13420
13421     // if old element is of same kind, keep all existing directions
13422     if (IS_ACID_POOL_OR_ACID(old_element))
13423       direction |= getOpenDirectionFromPool(old_element);
13424
13425     for (i = 0; i < NUM_DIRECTIONS; i++)
13426     {
13427       int xx = x + xy[i].x;
13428       int yy = y + xy[i].y;
13429
13430       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13431           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
13432       {
13433         int dir = MV_DIR_FROM_BIT(i);
13434         int dir_opposite = MV_DIR_OPPOSITE(dir);
13435         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13436         int last_direction_old = getOpenDirectionFromPool(last_element_old);
13437         int last_direction_new = last_direction_old | dir_opposite;
13438
13439         last_element_new = getPoolFromOpenDirection(last_direction_new);
13440
13441         direction |= dir;
13442       }
13443     }
13444
13445     // special corrections needed for intuitively correct acid pool drawing
13446     if (last_element_new == EL_EMPTY)
13447       last_element_new = new_element;
13448     else if (last_element_new != EL_UNDEFINED)
13449       new_element = last_element_new;
13450
13451     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
13452
13453     if (last_element_new != EL_UNDEFINED)
13454       MergeAndCloseNeighbourElements(x, y, &new_element,
13455                                      last_x, last_y, &last_element_new,
13456                                      getClosedPool, change_level);
13457   }
13458   else if (IS_EMC_PILLAR(new_element))
13459   {
13460     int last_element_new = EL_UNDEFINED;
13461     int direction = MV_NONE;
13462     int i;
13463
13464     // if old element is of same kind, keep all existing directions
13465     if (IS_EMC_PILLAR(old_element))
13466       direction |= getOpenDirectionFromPillar(old_element);
13467
13468     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13469     {
13470       int xx = x + xy[i].x;
13471       int yy = y + xy[i].y;
13472
13473       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13474           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
13475       {
13476         int dir = MV_DIR_FROM_BIT(i);
13477         int dir_opposite = MV_DIR_OPPOSITE(dir);
13478         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13479         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
13480         int last_direction_new = last_direction_old | dir_opposite;
13481
13482         last_element_new = getPillarFromOpenDirection(last_direction_new);
13483
13484         direction |= dir;
13485       }
13486     }
13487
13488     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
13489
13490     if (last_element_new != EL_UNDEFINED)
13491       MergeAndCloseNeighbourElements(x, y, &new_element,
13492                                      last_x, last_y, &last_element_new,
13493                                      getClosedPillar, change_level);
13494   }
13495   else if (IS_DC_STEELWALL_2(new_element))
13496   {
13497     int last_element_new = EL_UNDEFINED;
13498     int direction = MV_NONE;
13499     int i;
13500
13501     // if old element is of same kind, keep all existing directions
13502     if (IS_DC_STEELWALL_2(old_element))
13503       direction |= getOpenDirectionFromSteel2(old_element);
13504
13505     for (i = 0; i < NUM_DIRECTIONS; i++)
13506     {
13507       int xx = x + xy[i].x;
13508       int yy = y + xy[i].y;
13509
13510       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13511           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
13512       {
13513         int dir = MV_DIR_FROM_BIT(i);
13514         int dir_opposite = MV_DIR_OPPOSITE(dir);
13515         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13516         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
13517         int last_direction_new = last_direction_old | dir_opposite;
13518
13519         last_element_new = getSteel2FromOpenDirection(last_direction_new);
13520
13521         direction |= dir;
13522       }
13523     }
13524
13525     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
13526
13527     if (last_element_new != EL_UNDEFINED)
13528       MergeAndCloseNeighbourElements(x, y, &new_element,
13529                                      last_x, last_y, &last_element_new,
13530                                      getClosedSteel2, change_level);
13531   }
13532   else if (IS_SP_CHIP(new_element))
13533   {
13534     int last_element_new = EL_UNDEFINED;
13535     int direction = MV_NONE;
13536     int i;
13537
13538     // (do not keep existing directions, regardless of kind of old element)
13539
13540     for (i = 0; i < NUM_DIRECTIONS; i++)
13541     {
13542       int xx = x + xy[i].x;
13543       int yy = y + xy[i].y;
13544
13545       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13546           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
13547       {
13548         int dir = MV_DIR_FROM_BIT(i);
13549         int dir_opposite = MV_DIR_OPPOSITE(dir);
13550         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13551         int last_direction_old = getOpenDirectionFromChip(last_element_old);
13552         int last_direction_new = last_direction_old | dir_opposite;
13553
13554         if (last_direction_old == MV_NONE)
13555         {
13556           last_element_new = getChipFromOpenDirection(last_direction_new);
13557           direction |= dir;
13558         }
13559         else if (last_direction_old & (dir | dir_opposite))
13560         {
13561           direction |= MV_DIR_OPPOSITE(last_direction_old);
13562         }
13563         else
13564         {
13565           direction |= MV_DIR_OPPOSITE(dir);
13566         }
13567       }
13568     }
13569
13570     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
13571
13572     if (last_element_new != EL_UNDEFINED)
13573       MergeAndCloseNeighbourElements(x, y, &new_element,
13574                                      last_x, last_y, &last_element_new,
13575                                      getClosedChip, change_level);
13576   }
13577   else if (IS_SP_HARDWARE_BASE(new_element))
13578   {
13579     int nr = GetSimpleRandom(6);
13580
13581     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
13582                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
13583                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
13584                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
13585                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
13586   }
13587   else if (new_element == EL_SP_HARDWARE_GREEN ||
13588            new_element == EL_SP_HARDWARE_BLUE ||
13589            new_element == EL_SP_HARDWARE_RED)
13590   {
13591     int nr = GetSimpleRandom(3);
13592
13593     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
13594                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
13595   }
13596   else if (IS_GROUP_ELEMENT(new_element))
13597   {
13598     boolean connected_drawing = FALSE;
13599     int i;
13600
13601     for (i = 0; i < NUM_DIRECTIONS; i++)
13602     {
13603       int xx = x + xy[i].x;
13604       int yy = y + xy[i].y;
13605
13606       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13607           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
13608         connected_drawing = TRUE;
13609     }
13610
13611     if (!connected_drawing)
13612       ResolveGroupElement(new_element);
13613
13614     new_element = GetElementFromGroupElement(new_element);
13615   }
13616   else if (IS_BELT_SWITCH(old_element))
13617   {
13618     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
13619     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
13620
13621     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
13622                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
13623
13624     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
13625   }
13626   else
13627   {
13628     static int swappable_elements[][2] =
13629     {
13630       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
13631       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
13632       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
13633       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
13634       { EL_EMERALD,                     EL_WALL_EMERALD                 },
13635       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
13636       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
13637       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
13638       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
13639       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
13640       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
13641       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
13642       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
13643       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
13644       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
13645       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
13646       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
13647       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
13648       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
13649       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
13650       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
13651       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
13652       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
13653       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
13654       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
13655       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
13656       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
13657       { EL_PEARL,                       EL_WALL_PEARL                   },
13658       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
13659       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
13660       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
13661       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
13662       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
13663       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
13664       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
13665       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
13666       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
13667       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
13668       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
13669       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
13670       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
13671       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
13672       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
13673       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
13674
13675       { -1,                             -1                              },
13676     };
13677     static int rotatable_elements_4[][4] =
13678     {
13679       {
13680         EL_BUG_UP,
13681         EL_BUG_RIGHT,
13682         EL_BUG_DOWN,
13683         EL_BUG_LEFT
13684       },
13685       {
13686         EL_SPACESHIP_UP,
13687         EL_SPACESHIP_RIGHT,
13688         EL_SPACESHIP_DOWN,
13689         EL_SPACESHIP_LEFT
13690       },
13691       {
13692         EL_BD_BUTTERFLY_UP,
13693         EL_BD_BUTTERFLY_RIGHT,
13694         EL_BD_BUTTERFLY_DOWN,
13695         EL_BD_BUTTERFLY_LEFT
13696       },
13697       {
13698         EL_BD_FIREFLY_UP,
13699         EL_BD_FIREFLY_RIGHT,
13700         EL_BD_FIREFLY_DOWN,
13701         EL_BD_FIREFLY_LEFT
13702       },
13703       {
13704         EL_PACMAN_UP,
13705         EL_PACMAN_RIGHT,
13706         EL_PACMAN_DOWN,
13707         EL_PACMAN_LEFT
13708       },
13709       {
13710         EL_YAMYAM_UP,
13711         EL_YAMYAM_RIGHT,
13712         EL_YAMYAM_DOWN,
13713         EL_YAMYAM_LEFT
13714       },
13715       {
13716         EL_ARROW_UP,
13717         EL_ARROW_RIGHT,
13718         EL_ARROW_DOWN,
13719         EL_ARROW_LEFT
13720       },
13721       {
13722         EL_SP_PORT_UP,
13723         EL_SP_PORT_RIGHT,
13724         EL_SP_PORT_DOWN,
13725         EL_SP_PORT_LEFT
13726       },
13727       {
13728         EL_SP_GRAVITY_PORT_UP,
13729         EL_SP_GRAVITY_PORT_RIGHT,
13730         EL_SP_GRAVITY_PORT_DOWN,
13731         EL_SP_GRAVITY_PORT_LEFT
13732       },
13733       {
13734         EL_SP_GRAVITY_ON_PORT_UP,
13735         EL_SP_GRAVITY_ON_PORT_RIGHT,
13736         EL_SP_GRAVITY_ON_PORT_DOWN,
13737         EL_SP_GRAVITY_ON_PORT_LEFT
13738       },
13739       {
13740         EL_SP_GRAVITY_OFF_PORT_UP,
13741         EL_SP_GRAVITY_OFF_PORT_RIGHT,
13742         EL_SP_GRAVITY_OFF_PORT_DOWN,
13743         EL_SP_GRAVITY_OFF_PORT_LEFT
13744       },
13745       {
13746         EL_MOLE_UP,
13747         EL_MOLE_RIGHT,
13748         EL_MOLE_DOWN,
13749         EL_MOLE_LEFT
13750       },
13751       {
13752         EL_BALLOON_SWITCH_UP,
13753         EL_BALLOON_SWITCH_RIGHT,
13754         EL_BALLOON_SWITCH_DOWN,
13755         EL_BALLOON_SWITCH_LEFT
13756       },
13757       {
13758         EL_MM_MCDUFFIN_UP,
13759         EL_MM_MCDUFFIN_RIGHT,
13760         EL_MM_MCDUFFIN_DOWN,
13761         EL_MM_MCDUFFIN_LEFT
13762       },
13763       {
13764         EL_MM_MIRROR_FIXED_1,
13765         EL_MM_MIRROR_FIXED_4,
13766         EL_MM_MIRROR_FIXED_3,
13767         EL_MM_MIRROR_FIXED_2
13768       },
13769       {
13770         EL_MM_STEEL_GRID_FIXED_1,
13771         EL_MM_STEEL_GRID_FIXED_4,
13772         EL_MM_STEEL_GRID_FIXED_2,
13773         EL_MM_STEEL_GRID_FIXED_3
13774       },
13775       {
13776         EL_MM_WOODEN_GRID_FIXED_1,
13777         EL_MM_WOODEN_GRID_FIXED_4,
13778         EL_MM_WOODEN_GRID_FIXED_2,
13779         EL_MM_WOODEN_GRID_FIXED_3
13780       },
13781       {
13782         EL_MM_POLARIZER_CROSS_1,
13783         EL_MM_POLARIZER_CROSS_4,
13784         EL_MM_POLARIZER_CROSS_3,
13785         EL_MM_POLARIZER_CROSS_2
13786       },
13787       {
13788         EL_MM_PACMAN_UP,
13789         EL_MM_PACMAN_RIGHT,
13790         EL_MM_PACMAN_DOWN,
13791         EL_MM_PACMAN_LEFT
13792       },
13793       {
13794         EL_DF_LASER_UP,
13795         EL_DF_LASER_RIGHT,
13796         EL_DF_LASER_DOWN,
13797         EL_DF_LASER_LEFT
13798       },
13799       {
13800         EL_DF_RECEIVER_UP,
13801         EL_DF_RECEIVER_RIGHT,
13802         EL_DF_RECEIVER_DOWN,
13803         EL_DF_RECEIVER_LEFT
13804       },
13805       {
13806         EL_DF_SLOPE_1,
13807         EL_DF_SLOPE_4,
13808         EL_DF_SLOPE_3,
13809         EL_DF_SLOPE_2
13810       },
13811
13812       {
13813         -1,
13814       },
13815     };
13816     static int rotatable_elements_8[][8] =
13817     {
13818       {
13819         EL_DF_STEEL_GRID_FIXED_1,
13820         EL_DF_STEEL_GRID_FIXED_8,
13821         EL_DF_STEEL_GRID_FIXED_7,
13822         EL_DF_STEEL_GRID_FIXED_6,
13823         EL_DF_STEEL_GRID_FIXED_5,
13824         EL_DF_STEEL_GRID_FIXED_4,
13825         EL_DF_STEEL_GRID_FIXED_3,
13826         EL_DF_STEEL_GRID_FIXED_2
13827       },
13828       {
13829         EL_DF_WOODEN_GRID_FIXED_1,
13830         EL_DF_WOODEN_GRID_FIXED_8,
13831         EL_DF_WOODEN_GRID_FIXED_7,
13832         EL_DF_WOODEN_GRID_FIXED_6,
13833         EL_DF_WOODEN_GRID_FIXED_5,
13834         EL_DF_WOODEN_GRID_FIXED_4,
13835         EL_DF_WOODEN_GRID_FIXED_3,
13836         EL_DF_WOODEN_GRID_FIXED_2
13837       },
13838       {
13839         EL_DF_STEEL_GRID_ROTATING_1,
13840         EL_DF_STEEL_GRID_ROTATING_8,
13841         EL_DF_STEEL_GRID_ROTATING_7,
13842         EL_DF_STEEL_GRID_ROTATING_6,
13843         EL_DF_STEEL_GRID_ROTATING_5,
13844         EL_DF_STEEL_GRID_ROTATING_4,
13845         EL_DF_STEEL_GRID_ROTATING_3,
13846         EL_DF_STEEL_GRID_ROTATING_2
13847       },
13848       {
13849         EL_DF_WOODEN_GRID_ROTATING_1,
13850         EL_DF_WOODEN_GRID_ROTATING_8,
13851         EL_DF_WOODEN_GRID_ROTATING_7,
13852         EL_DF_WOODEN_GRID_ROTATING_6,
13853         EL_DF_WOODEN_GRID_ROTATING_5,
13854         EL_DF_WOODEN_GRID_ROTATING_4,
13855         EL_DF_WOODEN_GRID_ROTATING_3,
13856         EL_DF_WOODEN_GRID_ROTATING_2
13857       },
13858
13859       {
13860         -1,
13861       },
13862     };
13863     static int rotatable_elements_16[][16] =
13864     {
13865       {
13866         EL_MM_MIRROR_1,
13867         EL_MM_MIRROR_16,
13868         EL_MM_MIRROR_15,
13869         EL_MM_MIRROR_14,
13870         EL_MM_MIRROR_13,
13871         EL_MM_MIRROR_12,
13872         EL_MM_MIRROR_11,
13873         EL_MM_MIRROR_10,
13874         EL_MM_MIRROR_9,
13875         EL_MM_MIRROR_8,
13876         EL_MM_MIRROR_7,
13877         EL_MM_MIRROR_6,
13878         EL_MM_MIRROR_5,
13879         EL_MM_MIRROR_4,
13880         EL_MM_MIRROR_3,
13881         EL_MM_MIRROR_2
13882       },
13883       {
13884         EL_MM_TELEPORTER_5,
13885         EL_MM_TELEPORTER_4,
13886         EL_MM_TELEPORTER_3,
13887         EL_MM_TELEPORTER_2,
13888         EL_MM_TELEPORTER_1,
13889         EL_MM_TELEPORTER_16,
13890         EL_MM_TELEPORTER_15,
13891         EL_MM_TELEPORTER_14,
13892         EL_MM_TELEPORTER_13,
13893         EL_MM_TELEPORTER_12,
13894         EL_MM_TELEPORTER_11,
13895         EL_MM_TELEPORTER_10,
13896         EL_MM_TELEPORTER_9,
13897         EL_MM_TELEPORTER_8,
13898         EL_MM_TELEPORTER_7,
13899         EL_MM_TELEPORTER_6
13900       },
13901       {
13902         EL_MM_TELEPORTER_RED_5,
13903         EL_MM_TELEPORTER_RED_4,
13904         EL_MM_TELEPORTER_RED_3,
13905         EL_MM_TELEPORTER_RED_2,
13906         EL_MM_TELEPORTER_RED_1,
13907         EL_MM_TELEPORTER_RED_16,
13908         EL_MM_TELEPORTER_RED_15,
13909         EL_MM_TELEPORTER_RED_14,
13910         EL_MM_TELEPORTER_RED_13,
13911         EL_MM_TELEPORTER_RED_12,
13912         EL_MM_TELEPORTER_RED_11,
13913         EL_MM_TELEPORTER_RED_10,
13914         EL_MM_TELEPORTER_RED_9,
13915         EL_MM_TELEPORTER_RED_8,
13916         EL_MM_TELEPORTER_RED_7,
13917         EL_MM_TELEPORTER_RED_6
13918       },
13919       {
13920         EL_MM_TELEPORTER_YELLOW_5,
13921         EL_MM_TELEPORTER_YELLOW_4,
13922         EL_MM_TELEPORTER_YELLOW_3,
13923         EL_MM_TELEPORTER_YELLOW_2,
13924         EL_MM_TELEPORTER_YELLOW_1,
13925         EL_MM_TELEPORTER_YELLOW_16,
13926         EL_MM_TELEPORTER_YELLOW_15,
13927         EL_MM_TELEPORTER_YELLOW_14,
13928         EL_MM_TELEPORTER_YELLOW_13,
13929         EL_MM_TELEPORTER_YELLOW_12,
13930         EL_MM_TELEPORTER_YELLOW_11,
13931         EL_MM_TELEPORTER_YELLOW_10,
13932         EL_MM_TELEPORTER_YELLOW_9,
13933         EL_MM_TELEPORTER_YELLOW_8,
13934         EL_MM_TELEPORTER_YELLOW_7,
13935         EL_MM_TELEPORTER_YELLOW_6
13936       },
13937       {
13938         EL_MM_TELEPORTER_GREEN_5,
13939         EL_MM_TELEPORTER_GREEN_4,
13940         EL_MM_TELEPORTER_GREEN_3,
13941         EL_MM_TELEPORTER_GREEN_2,
13942         EL_MM_TELEPORTER_GREEN_1,
13943         EL_MM_TELEPORTER_GREEN_16,
13944         EL_MM_TELEPORTER_GREEN_15,
13945         EL_MM_TELEPORTER_GREEN_14,
13946         EL_MM_TELEPORTER_GREEN_13,
13947         EL_MM_TELEPORTER_GREEN_12,
13948         EL_MM_TELEPORTER_GREEN_11,
13949         EL_MM_TELEPORTER_GREEN_10,
13950         EL_MM_TELEPORTER_GREEN_9,
13951         EL_MM_TELEPORTER_GREEN_8,
13952         EL_MM_TELEPORTER_GREEN_7,
13953         EL_MM_TELEPORTER_GREEN_6
13954       },
13955       {
13956         EL_MM_TELEPORTER_BLUE_5,
13957         EL_MM_TELEPORTER_BLUE_4,
13958         EL_MM_TELEPORTER_BLUE_3,
13959         EL_MM_TELEPORTER_BLUE_2,
13960         EL_MM_TELEPORTER_BLUE_1,
13961         EL_MM_TELEPORTER_BLUE_16,
13962         EL_MM_TELEPORTER_BLUE_15,
13963         EL_MM_TELEPORTER_BLUE_14,
13964         EL_MM_TELEPORTER_BLUE_13,
13965         EL_MM_TELEPORTER_BLUE_12,
13966         EL_MM_TELEPORTER_BLUE_11,
13967         EL_MM_TELEPORTER_BLUE_10,
13968         EL_MM_TELEPORTER_BLUE_9,
13969         EL_MM_TELEPORTER_BLUE_8,
13970         EL_MM_TELEPORTER_BLUE_7,
13971         EL_MM_TELEPORTER_BLUE_6
13972       },
13973       {
13974         EL_MM_POLARIZER_1,
13975         EL_MM_POLARIZER_16,
13976         EL_MM_POLARIZER_15,
13977         EL_MM_POLARIZER_14,
13978         EL_MM_POLARIZER_13,
13979         EL_MM_POLARIZER_12,
13980         EL_MM_POLARIZER_11,
13981         EL_MM_POLARIZER_10,
13982         EL_MM_POLARIZER_9,
13983         EL_MM_POLARIZER_8,
13984         EL_MM_POLARIZER_7,
13985         EL_MM_POLARIZER_6,
13986         EL_MM_POLARIZER_5,
13987         EL_MM_POLARIZER_4,
13988         EL_MM_POLARIZER_3,
13989         EL_MM_POLARIZER_2
13990       },
13991       {
13992         EL_DF_MIRROR_1,
13993         EL_DF_MIRROR_16,
13994         EL_DF_MIRROR_15,
13995         EL_DF_MIRROR_14,
13996         EL_DF_MIRROR_13,
13997         EL_DF_MIRROR_12,
13998         EL_DF_MIRROR_11,
13999         EL_DF_MIRROR_10,
14000         EL_DF_MIRROR_9,
14001         EL_DF_MIRROR_8,
14002         EL_DF_MIRROR_7,
14003         EL_DF_MIRROR_6,
14004         EL_DF_MIRROR_5,
14005         EL_DF_MIRROR_4,
14006         EL_DF_MIRROR_3,
14007         EL_DF_MIRROR_2
14008       },
14009       {
14010         EL_DF_MIRROR_ROTATING_1,
14011         EL_DF_MIRROR_ROTATING_16,
14012         EL_DF_MIRROR_ROTATING_15,
14013         EL_DF_MIRROR_ROTATING_14,
14014         EL_DF_MIRROR_ROTATING_13,
14015         EL_DF_MIRROR_ROTATING_12,
14016         EL_DF_MIRROR_ROTATING_11,
14017         EL_DF_MIRROR_ROTATING_10,
14018         EL_DF_MIRROR_ROTATING_9,
14019         EL_DF_MIRROR_ROTATING_8,
14020         EL_DF_MIRROR_ROTATING_7,
14021         EL_DF_MIRROR_ROTATING_6,
14022         EL_DF_MIRROR_ROTATING_5,
14023         EL_DF_MIRROR_ROTATING_4,
14024         EL_DF_MIRROR_ROTATING_3,
14025         EL_DF_MIRROR_ROTATING_2
14026       },
14027       {
14028         EL_DF_MIRROR_FIXED_1,
14029         EL_DF_MIRROR_FIXED_16,
14030         EL_DF_MIRROR_FIXED_15,
14031         EL_DF_MIRROR_FIXED_14,
14032         EL_DF_MIRROR_FIXED_13,
14033         EL_DF_MIRROR_FIXED_12,
14034         EL_DF_MIRROR_FIXED_11,
14035         EL_DF_MIRROR_FIXED_10,
14036         EL_DF_MIRROR_FIXED_9,
14037         EL_DF_MIRROR_FIXED_8,
14038         EL_DF_MIRROR_FIXED_7,
14039         EL_DF_MIRROR_FIXED_6,
14040         EL_DF_MIRROR_FIXED_5,
14041         EL_DF_MIRROR_FIXED_4,
14042         EL_DF_MIRROR_FIXED_3,
14043         EL_DF_MIRROR_FIXED_2
14044       },
14045
14046       {
14047         -1,
14048       },
14049     };
14050     int i, j;
14051
14052     for (i = 0; swappable_elements[i][0] != -1; i++)
14053     {
14054       int element1 = swappable_elements[i][0];
14055       int element2 = swappable_elements[i][1];
14056
14057       if (old_element == element1 || old_element == element2)
14058         new_element = (old_element == element1 ? element2 : element1);
14059     }
14060
14061     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
14062     {
14063       for (j = 0; j < 4; j++)
14064       {
14065         int element = rotatable_elements_4[i][j];
14066
14067         if (old_element == element)
14068           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
14069                          button == 2 ? rotatable_elements_4[i][0]           :
14070                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
14071                          old_element);
14072       }
14073     }
14074
14075     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
14076     {
14077       for (j = 0; j < 8; j++)
14078       {
14079         int element = rotatable_elements_8[i][j];
14080
14081         if (old_element == element)
14082           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
14083                          button == 2 ? rotatable_elements_8[i][0]           :
14084                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
14085                          old_element);
14086       }
14087     }
14088
14089     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
14090     {
14091       for (j = 0; j < 16; j++)
14092       {
14093         int element = rotatable_elements_16[i][j];
14094
14095         if (old_element == element)
14096           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
14097                          button == 2 ? rotatable_elements_16[i][0]             :
14098                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
14099                          old_element);
14100       }
14101     }
14102
14103     if (old_element != new_element)
14104     {
14105       int max_infotext_len = getMaxInfoTextLength();
14106       char infotext[MAX_OUTPUT_LINESIZE + 1];
14107
14108       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
14109       infotext[max_infotext_len] = '\0';
14110
14111       ClearEditorGadgetInfoText();
14112
14113       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
14114                 infotext);
14115     }
14116   }
14117
14118   if (IS_MM_WALL_EDITOR(new_element))
14119     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
14120   else
14121     SetElementSimple(x, y, new_element, change_level);
14122
14123   last_x = x;
14124   last_y = y;
14125 }
14126
14127 static void ResetIntelliDraw(void)
14128 {
14129   int x, y;
14130
14131   for (x = 0; x < lev_fieldx; x++)
14132     for (y = 0; y < lev_fieldy; y++)
14133       IntelliDrawBuffer[x][y] = Tile[x][y];
14134
14135   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
14136 }
14137
14138 static boolean draw_mode_hires = FALSE;
14139
14140 static boolean isHiresTileElement(int element)
14141 {
14142   return (IS_MM_WALL(element)        || element == EL_EMPTY);
14143 }
14144
14145 static boolean isHiresDrawElement(int element)
14146 {
14147   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
14148 }
14149
14150 static int numHiresTiles(int element)
14151 {
14152   if (IS_MM_WALL(element))
14153     return get_number_of_bits(MM_WALL_BITS(element));
14154
14155   return 1;
14156 }
14157
14158 static void SetDrawModeHiRes(int element)
14159 {
14160   draw_mode_hires =
14161     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14162      isHiresDrawElement(element));
14163 }
14164
14165 static boolean getDrawModeHiRes(void)
14166 {
14167   return draw_mode_hires;
14168 }
14169
14170 static int getLoResScreenPos(int pos)
14171 {
14172   return (getDrawModeHiRes() ? pos / 2 : pos);
14173 }
14174
14175 static int getLoResScreenMod(int pos)
14176 {
14177   return (getDrawModeHiRes() ? pos % 2 : 0);
14178 }
14179
14180 static void SetElementExt(int x, int y, int dx, int dy, int element,
14181                           boolean change_level, int button)
14182 {
14183   if (element < 0)
14184     SetElementSimple(x, y, Tile[x][y], change_level);
14185   else if (GetKeyModState() & KMOD_Shift)
14186     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
14187   else
14188     SetElementSimpleExt(x, y, dx, dy, element, change_level);
14189 }
14190
14191 static void SetElement(int x, int y, int element)
14192 {
14193   SetElementExt(x, y, 0, 0, element, TRUE, -1);
14194 }
14195
14196 static void SetElementButton(int x, int y, int dx, int dy, int element,
14197                              int button)
14198 {
14199   SetElementExt(x, y, dx, dy, element, TRUE, button);
14200 }
14201
14202 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
14203 {
14204   int lx = getLoResScreenPos(sx2) + level_xpos;
14205   int ly = getLoResScreenPos(sy2) + level_ypos;
14206   int dx = getLoResScreenMod(sx2);
14207   int dy = getLoResScreenMod(sy2);
14208
14209   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
14210 }
14211
14212 static void SetLevelElementHiRes(int lx2, int ly2, int element)
14213 {
14214   int lx = lx2 / 2;
14215   int ly = ly2 / 2;
14216   int dx = lx2 % 2;
14217   int dy = ly2 % 2;
14218
14219   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
14220 }
14221
14222 static int getLevelElementHiRes(int lx2, int ly2)
14223 {
14224   int lx = lx2 / 2;
14225   int ly = ly2 / 2;
14226   int dx = lx2 % 2;
14227   int dy = ly2 % 2;
14228   int element = Tile[lx][ly];
14229   unsigned int bitmask = (dx + 1) << (dy * 2);
14230
14231   if (IS_MM_WALL(element))
14232   {
14233     if (element & bitmask)
14234       return map_mm_wall_element(element);
14235     else
14236       return EL_EMPTY;
14237   }
14238
14239   return element;
14240 }
14241
14242 static void DrawLineElement(int x, int y, int element, boolean change_level)
14243 {
14244   SetElementHiRes(x, y, element, change_level);
14245 }
14246
14247 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
14248                      int element, boolean change_level)
14249 {
14250   int xsize = ABS(to_x - from_x);
14251   int ysize = ABS(to_y - from_y);
14252   int dx = (to_x < from_x ? -1 : +1);
14253   int dy = (to_y < from_y ? -1 : +1);
14254   int i;
14255
14256   if (from_y == to_y)                   // horizontal line
14257   {
14258     for (i = 0; i <= xsize; i++)
14259       DrawLineElement(from_x + i * dx, from_y, element, change_level);
14260   }
14261   else if (from_x == to_x)              // vertical line
14262   {
14263     for (i = 0; i <= ysize; i++)
14264       DrawLineElement(from_x, from_y + i * dy, element, change_level);
14265   }
14266   else                                  // diagonal line
14267   {
14268     if (ysize < xsize)                  // a < 1
14269     {
14270       float a = (float)ysize / (float)xsize;
14271
14272       for (i = 0; i <= xsize; i++)
14273       {
14274         int x = dx * i;
14275         int y = dy * (int)(a * i + 0.5);
14276
14277         DrawLineElement(from_x + x, from_y + y, element, change_level);
14278       }
14279     }
14280     else                                // a >= 1
14281     {
14282       float a = (float)xsize / (float)ysize;
14283
14284       for (i = 0; i <= ysize; i++)
14285       {
14286         int x = dx * (int)(a * i + 0.5);
14287         int y = dy * i;
14288
14289         DrawLineElement(from_x + x, from_y + y, element, change_level);
14290       }
14291     }
14292   }
14293 }
14294
14295 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
14296                     int element, boolean change_level)
14297 {
14298   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
14299   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
14300   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
14301   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
14302 }
14303
14304 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
14305                           int element, boolean change_level)
14306 {
14307   int y;
14308
14309   if (from_y > to_y)
14310     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
14311
14312   for (y = from_y; y <= to_y; y++)
14313     DrawLine(from_x, y, to_x, y, element, change_level);
14314 }
14315
14316 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
14317                        int element, boolean change_level)
14318 {
14319   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
14320   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
14321   int len_x = ABS(to_x - from_x);
14322   int len_y = ABS(to_y - from_y);
14323   int radius, x, y;
14324
14325   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
14326
14327   // not optimal (some points get drawn twice) but simple,
14328   // and fast enough for the few points we are drawing
14329
14330   for (x = 0; x <= radius; x++)
14331   {
14332     int sx, sy, sx2, sy2, lx, ly;
14333
14334     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
14335
14336     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
14337     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
14338     sx = getLoResScreenPos(sx2);
14339     sy = getLoResScreenPos(sy2);
14340     lx = sx + level_xpos;
14341     ly = sy + level_ypos;
14342
14343     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14344       DrawLineElement(sx2, sy2, element, change_level);
14345   }
14346
14347   for (y = 0; y <= radius; y++)
14348   {
14349     int sx, sy, sx2, sy2, lx, ly;
14350
14351     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
14352
14353     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
14354     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
14355     sx = getLoResScreenPos(sx2);
14356     sy = getLoResScreenPos(sy2);
14357     lx = sx + level_xpos;
14358     ly = sy + level_ypos;
14359
14360     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14361       DrawLineElement(sx2, sy2, element, change_level);
14362   }
14363 }
14364
14365 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
14366                     int element, boolean change_level)
14367 {
14368   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
14369   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
14370
14371   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
14372 }
14373
14374 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
14375
14376 #if DRAW_CIRCLES_BUTTON_AVAILABLE
14377 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
14378                        int element, boolean change_level)
14379 {
14380   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
14381   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
14382   int mirror_to_x2 = from_x - (to_x2 - from_x);
14383   int mirror_to_y2 = from_y - (to_y2 - from_y);
14384
14385   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
14386   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
14387   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
14388   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
14389 }
14390 #endif
14391
14392 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
14393 {
14394   int from_sx, from_sy;
14395   int to_sx, to_sy;
14396
14397   if (from_x > to_x)
14398     swap_numbers(&from_x, &to_x);
14399
14400   if (from_y > to_y)
14401     swap_numbers(&from_y, &to_y);
14402
14403   from_sx = SX + from_x * ed_tilesize;
14404   from_sy = SY + from_y * ed_tilesize;
14405   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
14406   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
14407
14408   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
14409   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
14410   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
14411   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
14412
14413   if (from_x == to_x && from_y == to_y)
14414     MarkTileDirty(from_x/2, from_y/2);
14415   else
14416     redraw_mask |= REDRAW_FIELD;
14417 }
14418
14419 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
14420                         int element, boolean change_level)
14421 {
14422   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
14423 }
14424
14425 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
14426                        int element, boolean change_level)
14427 {
14428   if (element == -1 || change_level)
14429     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
14430   else
14431     DrawAreaBorder(from_x, from_y, to_x, to_y);
14432 }
14433
14434 // values for CopyBrushExt()
14435 #define CB_AREA_TO_BRUSH                0
14436 #define CB_BRUSH_TO_CURSOR              1
14437 #define CB_BRUSH_TO_LEVEL               2
14438 #define CB_DELETE_OLD_CURSOR            3
14439 #define CB_DUMP_BRUSH                   4
14440 #define CB_DUMP_BRUSH_SMALL             5
14441 #define CB_CLIPBOARD_TO_BRUSH           6
14442 #define CB_BRUSH_TO_CLIPBOARD           7
14443 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
14444 #define CB_UPDATE_BRUSH_POSITION        9
14445 #define CB_FLIP_BRUSH_X                 10
14446 #define CB_FLIP_BRUSH_Y                 11
14447 #define CB_FLIP_BRUSH_XY                12
14448
14449 #define MAX_CB_PART_SIZE        10
14450 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
14451 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
14452 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
14453                                  MAX_CB_NUM_LINES *     \
14454                                  MAX_CB_PART_SIZE)
14455
14456 static int getFlippedTileExt(int map[], int element)
14457 {
14458   int i;
14459
14460   for (i = 0; map[i] != -1; i++)
14461     if (map[i] == element)
14462       return map[i ^ 1];        // get flipped element by flipping LSB of index
14463
14464   return element;
14465 }
14466
14467 static int getFlippedTileX(int element)
14468 {
14469   int map[] =
14470   {
14471     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
14472     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
14473     EL_BUG_LEFT,                        EL_BUG_RIGHT,
14474     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
14475     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
14476     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
14477     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
14478     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
14479     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
14480     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
14481     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
14482     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
14483     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
14484     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
14485     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
14486     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
14487     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
14488     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
14489     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
14490     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
14491     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
14492     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
14493     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
14494     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
14495     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
14496     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
14497     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14498     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
14499     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
14500     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
14501
14502     -1
14503   };
14504
14505   return getFlippedTileExt(map, element);
14506 }
14507
14508 static int getFlippedTileY(int element)
14509 {
14510   int map[] =
14511   {
14512     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
14513     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
14514     EL_BUG_UP,                          EL_BUG_DOWN,
14515     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
14516     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
14517     EL_ARROW_UP,                        EL_ARROW_DOWN,
14518     EL_MOLE_UP,                         EL_MOLE_DOWN,
14519     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
14520     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
14521     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
14522     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
14523     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
14524     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
14525     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
14526     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
14527     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
14528     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
14529     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
14530     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
14531     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
14532     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14533     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14534     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
14535     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
14536
14537     -1
14538   };
14539
14540   return getFlippedTileExt(map, element);
14541 }
14542
14543 static int getFlippedTileXY(int element)
14544 {
14545   int map[] =
14546   {
14547     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
14548     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
14549     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
14550     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
14551     EL_BUG_LEFT,                        EL_BUG_UP,
14552     EL_BUG_RIGHT,                       EL_BUG_DOWN,
14553     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
14554     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
14555     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
14556     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
14557     EL_ARROW_LEFT,                      EL_ARROW_UP,
14558     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
14559     EL_MOLE_LEFT,                       EL_MOLE_UP,
14560     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
14561     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
14562     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
14563     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
14564     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
14565     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
14566     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
14567     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
14568     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
14569     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
14570     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
14571     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
14572     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
14573     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
14574     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
14575     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
14576     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
14577     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
14578     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
14579     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
14580     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
14581     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
14582     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
14583     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14584     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
14585     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
14586     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
14587     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
14588     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
14589
14590     -1
14591   };
14592
14593   return getFlippedTileExt(map, element);
14594 }
14595
14596 static int getFlippedTile(int element, int mode)
14597 {
14598   if (IS_MM_ELEMENT(element))
14599   {
14600     // get MM game element
14601     element = map_element_RND_to_MM(element);
14602
14603     // get flipped game element
14604     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
14605                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
14606                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
14607                element);
14608
14609     // get RND game element again
14610     element = map_element_MM_to_RND(element);
14611   }
14612   else
14613   {
14614     // get flipped game element
14615     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
14616                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
14617                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
14618                element);
14619   }
14620
14621   return element;
14622 }
14623
14624 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
14625 {
14626   // flip tiles
14627   short tile1_flipped = getFlippedTile(*tile1, mode);
14628   short tile2_flipped = getFlippedTile(*tile2, mode);
14629
14630   // swap tiles
14631   *tile1 = tile2_flipped;
14632   *tile2 = tile1_flipped;
14633 }
14634
14635 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
14636 {
14637   DrawLineElement(sx, sy, element, change_level);
14638 }
14639
14640 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
14641                          int button, int mode)
14642 {
14643   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14644   static int brush_width, brush_height;
14645   static int last_cursor_x = -1, last_cursor_y = -1;
14646   static boolean delete_old_brush = FALSE;
14647   int new_element = BUTTON_ELEMENT(button);
14648   int x, y;
14649
14650   if (mode == CB_DUMP_BRUSH ||
14651       mode == CB_DUMP_BRUSH_SMALL ||
14652       mode == CB_BRUSH_TO_CLIPBOARD ||
14653       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14654   {
14655     if (edit_mode != ED_MODE_DRAWING)
14656       return;
14657
14658     char part[MAX_CB_PART_SIZE + 1] = "";
14659     char text[MAX_CB_TEXT_SIZE + 1] = "";
14660     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
14661     int height = (draw_with_brush ? brush_height : lev_fieldy);
14662     char *format = "%s%03d";
14663
14664     for (y = 0; y < height; y++)
14665       for (x = 0; x < width; x++)
14666         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
14667           format = "%s%04d";
14668
14669     for (y = 0; y < height; y++)
14670     {
14671       for (x = 0; x < width; x++)
14672       {
14673         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
14674         char *prefix = (mode == CB_DUMP_BRUSH ||
14675                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
14676
14677         if (element >= NUM_FILE_ELEMENTS)
14678           element = EL_UNKNOWN;
14679
14680         // copy brush to level sketch text buffer for the R'n'D forum:
14681         // - large tiles: `xxx or `xxxx (0x60 ASCII)
14682         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
14683         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
14684         strcat(text, part);
14685       }
14686
14687       strcat(text, "\n");
14688     }
14689
14690     if (mode == CB_BRUSH_TO_CLIPBOARD ||
14691         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14692       SDL_SetClipboardText(text);
14693     else
14694       Print("%s", text);        // print brush data to console and log file
14695
14696     return;
14697   }
14698
14699   if (mode == CB_CLIPBOARD_TO_BRUSH)
14700   {
14701     if (edit_mode != ED_MODE_DRAWING)
14702       return;
14703
14704     if (!SDL_HasClipboardText())
14705     {
14706       Request("Clipboard is empty!", REQ_CONFIRM);
14707
14708       return;
14709     }
14710
14711     boolean copy_to_brush = (draw_with_brush ||
14712                              drawing_function == GADGET_ID_GRAB_BRUSH);
14713
14714     // this will delete the old brush, if already drawing with a brush
14715     if (copy_to_brush)
14716       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
14717
14718     // initialization is required for "odd" (incomplete) clipboard content
14719     for (x = 0; x < MAX_LEV_FIELDX; x++)
14720       for (y = 0; y < MAX_LEV_FIELDY; y++)
14721         brush_buffer[x][y] = EL_EMPTY;
14722
14723     brush_width  = 0;
14724     brush_height = 0;
14725     x = 0;
14726     y = 0;
14727
14728     char *clipboard_text = SDL_GetClipboardText();
14729     char *ptr = clipboard_text;
14730     boolean allow_new_row = FALSE;
14731     boolean stop = FALSE;
14732
14733     while (*ptr && !stop)
14734     {
14735       boolean prefix_found = FALSE;
14736       boolean start_new_row = FALSE;
14737
14738       // level sketch element number prefixes (may be multi-byte characters)
14739       char *prefix_list[] = { "`", "¸" };
14740       int i;
14741
14742       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
14743       {
14744         char *prefix = prefix_list[i];
14745
14746         // check if string is large enough for prefix
14747         if (strlen(ptr) < strlen(prefix))
14748         {
14749           stop = TRUE;
14750
14751           break;
14752         }
14753
14754         // check if string starts with prefix
14755         if (strPrefix(ptr, prefix))
14756         {
14757           ptr += strlen(prefix);
14758
14759           prefix_found = TRUE;
14760
14761           break;
14762         }
14763       }
14764
14765       // check if prefix found and followed by (at least) three digits
14766       if (prefix_found &&
14767           strlen(ptr) >= 3 &&
14768           ptr[0] >= '0' && ptr[0] <= '9' &&
14769           ptr[1] >= '0' && ptr[1] <= '9' &&
14770           ptr[2] >= '0' && ptr[2] <= '9')
14771       {
14772         int element = ((ptr[0] - '0') * 100 +
14773                        (ptr[1] - '0') * 10 +
14774                        (ptr[2] - '0'));
14775
14776         ptr += 3;
14777
14778         // level sketch element number might consist of four digits
14779         if (ptr[0] >= '0' && ptr[0] <= '9')
14780         {
14781           element = element * 10 + (ptr[0] - '0');
14782           ptr++;
14783         }
14784
14785         // remap some (historic, now obsolete) elements
14786         element = getMappedElement(element);
14787
14788         if (element >= NUM_FILE_ELEMENTS)
14789           element = EL_UNKNOWN;
14790
14791         brush_buffer[x][y] = element;
14792
14793         brush_width  = MAX(x + 1, brush_width);
14794         brush_height = MAX(y + 1, brush_height);
14795
14796         x++;
14797
14798         if (x >= MAX_LEV_FIELDX)
14799           start_new_row = TRUE;
14800
14801         allow_new_row = TRUE;
14802       }
14803       else
14804       {
14805         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
14806           start_new_row = TRUE;
14807
14808         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
14809       }
14810
14811       if (start_new_row)
14812       {
14813         x = 0;
14814         y++;
14815
14816         if (y >= MAX_LEV_FIELDY)
14817           stop = TRUE;
14818
14819         allow_new_row = FALSE;
14820       }
14821     }
14822
14823     SDL_free(clipboard_text);
14824
14825     if (brush_width == 0 || brush_height == 0)
14826     {
14827       Request("No level sketch found in clipboard!", REQ_CONFIRM);
14828
14829       return;
14830     }
14831
14832     if (copy_to_brush)
14833     {
14834       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
14835       int mx, my;
14836
14837       SDL_GetMouseState(&mx, &my);
14838
14839       // if inside drawing area, activate and draw brush at last mouse position
14840       if (mx >= gi->x && mx < gi->x + gi->width &&
14841           my >= gi->y && my < gi->y + gi->height)
14842         CopyBrushToCursor(last_cursor_x, last_cursor_y);
14843
14844       draw_with_brush = TRUE;
14845     }
14846     else
14847     {
14848       char request[100];
14849
14850       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
14851               brush_width, brush_height);
14852
14853       if (!Request(request, REQ_ASK))
14854         return;
14855
14856       for (x = 0; x < MAX_LEV_FIELDX; x++)
14857         for (y = 0; y < MAX_LEV_FIELDY; y++)
14858           Tile[x][y] = brush_buffer[x][y];
14859
14860       lev_fieldx = level.fieldx = brush_width;
14861       lev_fieldy = level.fieldy = brush_height;
14862
14863       boolean use_bd_engine = TRUE;
14864       boolean use_em_engine = TRUE;
14865       boolean use_sp_engine = TRUE;
14866       boolean use_mm_engine = TRUE;
14867
14868       for (x = 0; x < MAX_LEV_FIELDX; x++)
14869       {
14870         for (y = 0; y < MAX_LEV_FIELDY; y++)
14871         {
14872           int element = Tile[x][y];
14873
14874           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14875             use_bd_engine = FALSE;
14876
14877           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14878             use_em_engine = FALSE;
14879
14880           if (!IS_SP_ELEMENT(element))
14881             use_sp_engine = FALSE;
14882
14883           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
14884             use_mm_engine = FALSE;
14885         }
14886       }
14887
14888       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
14889                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
14890                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
14891                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
14892                                 GAME_ENGINE_TYPE_RND);
14893
14894       // update element selection list
14895       ReinitializeElementList();
14896       ModifyEditorElementList();
14897
14898       SetBorderElement();
14899
14900       DrawEditModeWindow();
14901       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14902     }
14903
14904     return;
14905   }
14906
14907   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
14908     return;
14909
14910   if (mode == CB_AREA_TO_BRUSH)
14911   {
14912     int from_lx, from_ly;
14913
14914     if (from_x > to_x)
14915       swap_numbers(&from_x, &to_x);
14916
14917     if (from_y > to_y)
14918       swap_numbers(&from_y, &to_y);
14919
14920     brush_width = to_x - from_x + 1;
14921     brush_height = to_y - from_y + 1;
14922
14923     from_lx = from_x + level_xpos;
14924     from_ly = from_y + level_ypos;
14925
14926     for (y = 0; y < brush_height; y++)
14927     {
14928       for (x = 0; x < brush_width; x++)
14929       {
14930         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
14931
14932         if (button != 1)
14933           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
14934       }
14935     }
14936
14937     if (button != 1)
14938       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14939
14940     delete_old_brush = FALSE;
14941   }
14942   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
14943            mode == CB_BRUSH_TO_LEVEL)
14944   {
14945     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
14946     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
14947     int cursor_from_x = cursor_x - brush_width / 2;
14948     int cursor_from_y = cursor_y - brush_height / 2;
14949     int border_from_x = cursor_x, border_from_y = cursor_y;
14950     int border_to_x = cursor_x, border_to_y = cursor_y;
14951
14952     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
14953       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14954
14955     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
14956         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
14957     {
14958       delete_old_brush = FALSE;
14959
14960       return;
14961     }
14962
14963     for (y = 0; y < brush_height; y++)
14964     {
14965       for (x = 0; x < brush_width; x++)
14966       {
14967         int sx = cursor_from_x + x;
14968         int sy = cursor_from_y + y;
14969         int lx = sx + level_xpos;
14970         int ly = sy + level_ypos;
14971         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
14972         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
14973                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
14974                        brush_buffer[x][y] : new_element);
14975
14976         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14977         {
14978           if (sx < border_from_x)
14979             border_from_x = sx;
14980           else if (sx > border_to_x)
14981             border_to_x = sx;
14982           if (sy < border_from_y)
14983             border_from_y = sy;
14984           else if (sy > border_to_y)
14985             border_to_y = sy;
14986
14987           DrawBrushElement(sx, sy, element, change_level);
14988         }
14989       }
14990     }
14991
14992     if (mode != CB_DELETE_OLD_CURSOR)
14993       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
14994
14995     last_cursor_x = cursor_x;
14996     last_cursor_y = cursor_y;
14997
14998     delete_old_brush = TRUE;
14999   }
15000   else if (mode == CB_FLIP_BRUSH_X)
15001   {
15002     for (y = 0; y < brush_height; y++)
15003       for (x = 0; x < (brush_width + 1) / 2; x++)
15004         SwapFlippedTiles(&brush_buffer[x][y],
15005                          &brush_buffer[brush_width - x - 1][y], mode);
15006
15007     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15008   }
15009   else if (mode == CB_FLIP_BRUSH_Y)
15010   {
15011     for (y = 0; y < (brush_height + 1) / 2; y++)
15012       for (x = 0; x < brush_width; x++)
15013         SwapFlippedTiles(&brush_buffer[x][y],
15014                          &brush_buffer[x][brush_height - y - 1], mode);
15015
15016     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15017   }
15018   else if (mode == CB_FLIP_BRUSH_XY)
15019   {
15020     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
15021
15022     for (y = 0; y < MAX(brush_width, brush_height); y++)
15023       for (x = 0; x <= y; x++)
15024         SwapFlippedTiles(&brush_buffer[x][y],
15025                          &brush_buffer[y][x], mode);
15026
15027     swap_numbers(&brush_width, &brush_height);
15028
15029     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15030   }
15031
15032   if (mode == CB_UPDATE_BRUSH_POSITION)
15033   {
15034     last_cursor_x = from_x;
15035     last_cursor_y = from_y;
15036   }
15037 }
15038
15039 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
15040                             int button)
15041 {
15042   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
15043 }
15044
15045 static void CopyBrushToLevel(int x, int y, int button)
15046 {
15047   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
15048 }
15049
15050 static void CopyBrushToCursor(int x, int y)
15051 {
15052   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
15053 }
15054
15055 static void UpdateBrushPosition(int x, int y)
15056 {
15057   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
15058 }
15059
15060 static void DeleteBrushFromCursor(void)
15061 {
15062   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
15063 }
15064
15065 static void FlipBrushX(void)
15066 {
15067   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
15068 }
15069
15070 static void FlipBrushY(void)
15071 {
15072   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
15073 }
15074
15075 static void RotateBrush(void)
15076 {
15077   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
15078   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
15079 }
15080
15081 void DumpBrush(void)
15082 {
15083   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
15084 }
15085
15086 void DumpBrush_Small(void)
15087 {
15088   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
15089 }
15090
15091 void CopyClipboardToBrush(void)
15092 {
15093   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
15094 }
15095
15096 void CopyBrushToClipboard(void)
15097 {
15098   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
15099 }
15100
15101 void CopyBrushToClipboard_Small(void)
15102 {
15103   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
15104 }
15105
15106 void UndoLevelEditorOperation(void)
15107 {
15108   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
15109 }
15110
15111 void RedoLevelEditorOperation(void)
15112 {
15113   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
15114 }
15115
15116 static void FloodFill(int from_x, int from_y, int fill_element)
15117 {
15118   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
15119 }
15120
15121 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
15122 {
15123   int from_x = from_sx2 + 2 * level_xpos;
15124   int from_y = from_sy2 + 2 * level_ypos;
15125   int max_fillx = lev_fieldx * 2;
15126   int max_filly = lev_fieldy * 2;
15127   short Fill[max_fillx][max_filly];
15128   int x, y;
15129
15130   for (x = 0; x < max_fillx; x++)
15131     for (y = 0; y < max_filly; y++)
15132       Fill[x][y] = getLevelElementHiRes(x, y);
15133
15134   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
15135                     Fill, max_fillx, max_filly);
15136
15137   for (x = 0; x < max_fillx; x++)
15138     for (y = 0; y < max_filly; y++)
15139       if (Fill[x][y] == fill_element)
15140         SetLevelElementHiRes(x, y, Fill[x][y]);
15141 }
15142
15143 // values for DrawLevelText() modes
15144 #define TEXT_INIT               0
15145 #define TEXT_SETCURSOR          1
15146 #define TEXT_WRITECHAR          2
15147 #define TEXT_BACKSPACE          3
15148 #define TEXT_NEWLINE            4
15149 #define TEXT_END                5
15150 #define TEXT_QUERY_TYPING       6
15151
15152 static int DrawLevelText(int sx, int sy, char letter, int mode)
15153 {
15154   static short delete_buffer[MAX_LEV_FIELDX];
15155   static int start_sx;
15156   static int last_sx, last_sy;
15157   static boolean typing = FALSE;
15158   int letter_element;
15159   int lx = 0, ly = 0;
15160
15161   // map lower case letters to upper case and convert special characters
15162   if (letter >= 'a' && letter <= 'z')
15163     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
15164   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
15165     letter_element = EL_CHAR_AUMLAUT;
15166   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
15167     letter_element = EL_CHAR_OUMLAUT;
15168   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
15169     letter_element = EL_CHAR_UUMLAUT;
15170   else if (letter == '^')
15171     letter_element = EL_CHAR_COPYRIGHT;
15172   else
15173     letter_element = EL_CHAR_ASCII0 + letter;
15174
15175   if (mode != TEXT_INIT)
15176   {
15177     if (!typing)
15178       return FALSE;
15179
15180     if (mode != TEXT_SETCURSOR)
15181     {
15182       sx = last_sx;
15183       sy = last_sy;
15184     }
15185
15186     lx = last_sx + level_xpos;
15187     ly = last_sy + level_ypos;
15188   }
15189
15190   switch (mode)
15191   {
15192     case TEXT_INIT:
15193       if (typing)
15194         DrawLevelText(0, 0, 0, TEXT_END);
15195
15196       typing = TRUE;
15197       start_sx = sx;
15198       last_sx = sx;
15199       last_sy = sy;
15200       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
15201       break;
15202
15203     case TEXT_SETCURSOR:
15204       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
15205       DrawAreaBorder(sx, sy, sx, sy);
15206       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
15207                      ed_tilesize, ed_tilesize);
15208       last_sx = sx;
15209       last_sy = sy;
15210       break;
15211
15212     case TEXT_WRITECHAR:
15213       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
15214       {
15215         if (new_element1 >= EL_STEEL_CHAR_START &&
15216             new_element1 <= EL_STEEL_CHAR_END)
15217           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
15218
15219         delete_buffer[sx - start_sx] = Tile[lx][ly];
15220         Tile[lx][ly] = letter_element;
15221
15222         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
15223           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
15224         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
15225           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
15226         else
15227           DrawLevelText(0, 0, 0, TEXT_END);
15228
15229         level.changed = TRUE;
15230       }
15231       break;
15232
15233     case TEXT_BACKSPACE:
15234       if (sx > start_sx)
15235       {
15236         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
15237         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
15238         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
15239       }
15240       break;
15241
15242     case TEXT_NEWLINE:
15243       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
15244         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
15245       else
15246         DrawLevelText(0, 0, 0, TEXT_END);
15247       break;
15248
15249     case TEXT_END:
15250       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15251       DrawEditorElement(sx, sy, Tile[lx][ly]);
15252       StopTextInput();
15253       typing = FALSE;
15254       break;
15255
15256     case TEXT_QUERY_TYPING:
15257       break;
15258
15259     default:
15260       break;
15261   }
15262
15263   return typing;
15264 }
15265
15266 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
15267                           int element, boolean change_level)
15268 {
15269   int lx = sx + level_xpos;
15270   int ly = sy + level_ypos;
15271
15272   if (element == -1)
15273     DrawEditorElement(sx, sy, Tile[lx][ly]);
15274   else
15275     DrawAreaBorder(sx, sy, sx, sy);
15276 }
15277
15278 static void CheckLevelBorderElement(boolean redraw_playfield)
15279 {
15280   int last_border_element = BorderElement;
15281
15282   SetBorderElement();
15283
15284   if (redraw_playfield && BorderElement != last_border_element)
15285     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15286 }
15287
15288 static void CopyLevelToUndoBuffer(int mode)
15289 {
15290   static boolean accumulated_undo = FALSE;
15291   boolean new_undo_buffer_position = TRUE;
15292   int x, y;
15293
15294   if (undo_buffer_steps == 0)
15295     accumulated_undo = FALSE;
15296
15297   switch (mode)
15298   {
15299     case UNDO_IMMEDIATE:
15300       accumulated_undo = FALSE;
15301       break;
15302
15303     case UNDO_ACCUMULATE:
15304       if (accumulated_undo)
15305         new_undo_buffer_position = FALSE;
15306       accumulated_undo = TRUE;
15307       break;
15308
15309     default:
15310       break;
15311   }
15312
15313   if (new_undo_buffer_position)
15314   {
15315     // advance position in undo buffer ring
15316     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15317
15318     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
15319       undo_buffer_steps++;
15320   }
15321
15322   // always reset redo buffer when storing level change into undo buffer
15323   redo_buffer_steps = 0;
15324
15325   for (x = 0; x < lev_fieldx; x++)
15326     for (y = 0; y < lev_fieldy; y++)
15327       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
15328
15329   // check if drawing operation forces change of border style
15330   CheckLevelBorderElement(TRUE);
15331
15332   level.changed = TRUE;
15333 }
15334
15335 static void RandomPlacement(int new_element)
15336 {
15337   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
15338   int num_free_positions = 0;
15339   int num_percentage, num_elements;
15340   int x, y;
15341
15342   ResetIntelliDraw();
15343
15344   // determine number of free positions for randomly placing the new element
15345   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
15346   {
15347     free_position[x][y] =
15348       (random_placement_background_restricted ?
15349        Tile[x][y] == random_placement_background_element :
15350        Tile[x][y] != new_element);
15351
15352     if (free_position[x][y])
15353       num_free_positions++;
15354   }
15355
15356   // determine number of new elements to place there
15357   num_percentage = num_free_positions * random_placement_value / 100;
15358   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
15359                   num_percentage : random_placement_value);
15360
15361   // if less free positions than elements to place, fill all these positions
15362   if (num_free_positions < num_elements)
15363   {
15364     for (x = 0; x < lev_fieldx; x++)
15365       for (y = 0; y < lev_fieldy; y++)
15366         if (free_position[x][y])
15367           SetElement(x, y, new_element);
15368   }
15369   else
15370   {
15371     while (num_elements > 0)
15372     {
15373       x = GetSimpleRandom(lev_fieldx);
15374       y = GetSimpleRandom(lev_fieldy);
15375
15376       // don't place element at the same position twice
15377       if (free_position[x][y])
15378       {
15379         free_position[x][y] = FALSE;
15380         SetElement(x, y, new_element);
15381         num_elements--;
15382       }
15383     }
15384   }
15385
15386   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15387   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15388 }
15389
15390 static void WrapLevel(int dx, int dy)
15391 {
15392   int wrap_dx = lev_fieldx - dx;
15393   int wrap_dy = lev_fieldy - dy;
15394   int x, y;
15395
15396   for (x = 0; x < lev_fieldx; x++)
15397     for (y = 0; y < lev_fieldy; y++)
15398       TileBackup[x][y] = Tile[x][y];
15399
15400   for (x = 0; x < lev_fieldx; x++)
15401     for (y = 0; y < lev_fieldy; y++)
15402       Tile[x][y] =
15403         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
15404
15405   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15406   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
15407 }
15408
15409 static void DrawAreaElementHighlight(boolean highlighted,
15410                                      boolean highlighted_similar)
15411 {
15412   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15413
15414   if (!highlighted)
15415     return;
15416
15417   int x, y;
15418
15419   for (x = 0; x < ed_fieldx; x++)
15420   {
15421     for (y = 0; y < ed_fieldy; y++)
15422     {
15423       boolean highlight = FALSE;
15424       int lx = x + level_xpos;
15425       int ly = y + level_ypos;
15426
15427       if (!IN_LEV_FIELD(lx, ly))
15428         continue;
15429
15430       // check if element is the same
15431       if (Tile[lx][ly] == new_element1)
15432         highlight = TRUE;
15433
15434       // check if element is similar
15435       if (highlighted_similar &&
15436           strEqual(element_info[Tile[lx][ly]].class_name,
15437                    element_info[new_element1].class_name))
15438         highlight = TRUE;
15439
15440       // check if element is matching MM style wall
15441       if (IS_MM_WALL(Tile[lx][ly]) &&
15442           map_mm_wall_element(Tile[lx][ly]) == new_element1)
15443         highlight = TRUE;
15444
15445       if (!highlight)
15446         continue;
15447
15448       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
15449       {
15450         int i;
15451
15452         for (i = 0; i < 4; i++)
15453         {
15454           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
15455             continue;
15456
15457           int xx = x * 2 + (i % 2);
15458           int yy = y * 2 + (i / 2);
15459           int sx = SX + xx * ed_tilesize / 2;
15460           int sy = SY + yy * ed_tilesize / 2;
15461           int from_sx = sx;
15462           int from_sy = sy;
15463           int to_sx = sx + ed_tilesize / 2 - 1;
15464           int to_sy = sy + ed_tilesize / 2 - 1;
15465
15466           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15467           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15468           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15469           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15470         }
15471       }
15472       else
15473       {
15474         int sx = SX + x * ed_tilesize;
15475         int sy = SY + y * ed_tilesize;
15476         int from_sx = sx;
15477         int from_sy = sy;
15478         int to_sx = sx + ed_tilesize - 1;
15479         int to_sy = sy + ed_tilesize - 1;
15480
15481         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15482         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15483         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15484         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15485       }
15486     }
15487   }
15488 }
15489
15490 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
15491 {
15492   char *template_filename_old = getLocalLevelTemplateFilename();
15493   char *template_filename_new =
15494     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
15495
15496   if (copyFile(template_filename_old, template_filename_new) != 0)
15497     Request("Cannot copy level template!", REQ_CONFIRM);
15498
15499   free(template_filename_new);
15500 }
15501
15502 static void HandleDrawingAreas(struct GadgetInfo *gi)
15503 {
15504   static boolean started_inside_drawing_area = FALSE;
15505   static int last_sx = -1;
15506   static int last_sy = -1;
15507   static int last_sx2 = -1;
15508   static int last_sy2 = -1;
15509   int id = gi->custom_id;
15510   int type_id = gi->custom_type_id;
15511   boolean button_press_event;
15512   boolean button_release_event;
15513   boolean inside_drawing_area = !gi->event.off_borders;
15514   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
15515   int actual_drawing_function;
15516   int button = gi->event.button;
15517   int new_element = BUTTON_ELEMENT(button);
15518   int sx = gi->event.x, sy = gi->event.y;
15519   int min_sx = 0, min_sy = 0;
15520   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
15521   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
15522   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
15523   int sx2 = gi->event.mx / mini_item_xsize;
15524   int sy2 = gi->event.my / mini_item_ysize;
15525   int dx = sx2 % 2;
15526   int dy = sy2 % 2;
15527   int lx = 0, ly = 0;
15528   int x, y;
15529
15530   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
15531   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
15532
15533   // make sure to stay inside drawing area boundaries
15534   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15535   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15536
15537   if (draw_level)
15538   {
15539     int min_lx = 0, min_ly = 0;
15540     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15541
15542     // get positions inside level field
15543     lx = sx + level_xpos;
15544     ly = sy + level_ypos;
15545
15546     if (!IN_LEV_FIELD(lx, ly))
15547       inside_drawing_area = FALSE;
15548
15549     // make sure to stay inside level field boundaries
15550     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15551     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15552
15553     // correct drawing area positions accordingly
15554     sx = lx - level_xpos;
15555     sy = ly - level_ypos;
15556   }
15557
15558   // also correct MM wall-sized (double) drawing area positions accordingly
15559   if (sx2 / 2 < sx || sx2 / 2 > sx)
15560   {
15561     dx = (sx2 / 2 < sx ? 0 : 1);
15562     sx2 = sx * 2 + dx;
15563   }
15564   if (sy2 / 2 < sy || sy2 / 2 > sy)
15565   {
15566     dy = (sy2 / 2 < sy ? 0 : 1);
15567     sy2 = sy * 2 + dy;
15568   }
15569
15570   if (!button_press_event && !button_release_event)
15571   {
15572     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
15573     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
15574                              isHiresTileElement(old_element) &&
15575                              isHiresDrawElement(new_element));
15576
15577     // prevent handling events for every pixel position when moving mouse
15578     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
15579         (sx2 == last_sx2 && sy2 == last_sy2))
15580       return;
15581   }
15582
15583   last_sx = sx;
15584   last_sy = sy;
15585   last_sx2 = sx2;
15586   last_sy2 = sy2;
15587
15588   if (button_press_event)
15589     started_inside_drawing_area = inside_drawing_area;
15590
15591   if (!started_inside_drawing_area)
15592     return;
15593
15594   if (!IS_VALID_BUTTON(button))
15595     return;
15596
15597   // handle info callback for each invocation of action callback
15598   gi->callback_info(gi);
15599
15600   // automatically switch to 'single item' drawing mode, if needed
15601   actual_drawing_function =
15602     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
15603      drawing_function : GADGET_ID_SINGLE_ITEMS);
15604
15605   // clicking into drawing area with pressed Control key picks element
15606   if (GetKeyModState() & KMOD_Control)
15607   {
15608     last_drawing_function = drawing_function;
15609     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15610   }
15611
15612   if (GetKeyModState() & KMOD_Shift)
15613   {
15614     if (button_press_event || button_release_event)
15615       ResetIntelliDraw();
15616   }
15617
15618   SetDrawModeHiRes(-1);         // reset to normal draw mode
15619
15620   switch (actual_drawing_function)
15621   {
15622     case GADGET_ID_SINGLE_ITEMS:
15623       if (draw_level)
15624       {
15625         if (button_release_event)
15626         {
15627           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15628
15629           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
15630               !inside_drawing_area)
15631             DeleteBrushFromCursor();
15632
15633           break;
15634         }
15635
15636         if (draw_with_brush)
15637         {
15638           CopyBrushToLevel(sx, sy, button);
15639         }
15640         else
15641         {
15642           SetDrawModeHiRes(new_element);
15643
15644           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
15645           {
15646             // remove player at old position
15647             for (y = 0; y < lev_fieldy; y++)
15648             {
15649               for (x = 0; x < lev_fieldx; x++)
15650               {
15651                 int old_element = Tile[x][y];
15652
15653                 if (IS_PLAYER_ELEMENT(old_element) &&
15654                     IS_PLAYER_ELEMENT(new_element))
15655                 {
15656                   int replaced_with_element =
15657                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
15658                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
15659
15660                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
15661                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
15662
15663                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
15664                      old_element == EL_PLAYER_1 ? EL_EMPTY :
15665
15666                      new_element >= EL_PLAYER_1 &&
15667                      new_element <= EL_PLAYER_4 &&
15668                      new_element == old_element ? EL_EMPTY :
15669
15670                      old_element);
15671
15672                   SetElement(x, y, replaced_with_element);
15673                 }
15674                 else if (IS_MM_MCDUFFIN(old_element) &&
15675                          IS_MM_MCDUFFIN(new_element))
15676                 {
15677                   // remove McDuffin at old position
15678                   SetElement(x, y, EL_EMPTY);
15679                 }
15680               }
15681             }
15682           }
15683
15684           SetElementButton(lx, ly, dx, dy, new_element, button);
15685         }
15686       }
15687       else if (!button_release_event)
15688       {
15689         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15690
15691         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
15692           DrawMiniGraphicExt(drawto,
15693                              gi->x + sx * MINI_TILEX,
15694                              gi->y + sy * MINI_TILEY,
15695                              el2edimg(new_element));
15696         else
15697           DrawFixedGraphicExt(drawto,
15698                               gi->x + sx * TILEX,
15699                               gi->y + sy * TILEY,
15700                               el2edimg(new_element), 0);
15701
15702         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15703           new_element = GFX_ELEMENT(new_element);
15704
15705         drawingarea_info[type_id].value[pos] = new_element;
15706
15707         CopyElementPropertiesToGame(properties_element);
15708
15709         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15710         {
15711           UpdateCustomElementGraphicGadgets();
15712
15713           FrameCounter = 0;     // restart animation frame counter
15714         }
15715       }
15716       break;
15717
15718     case GADGET_ID_CONNECTED_ITEMS:
15719       {
15720         static int last_sx = -1;
15721         static int last_sy = -1;
15722
15723         if (button_release_event)
15724           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15725
15726         SetDrawModeHiRes(new_element);
15727
15728         if (getDrawModeHiRes())
15729         {
15730           sx = sx2;
15731           sy = sy2;
15732         }
15733
15734         if (!button_press_event)
15735           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
15736
15737         last_sx = sx;
15738         last_sy = sy;
15739       }
15740       break;
15741
15742     case GADGET_ID_LINE:
15743     case GADGET_ID_ARC:
15744     case GADGET_ID_RECTANGLE:
15745     case GADGET_ID_FILLED_BOX:
15746       SetDrawModeHiRes(new_element);
15747
15748       if (getDrawModeHiRes())
15749       {
15750         sx = sx2;
15751         sy = sy2;
15752       }
15753       // FALLTHROUGH
15754     case GADGET_ID_GRAB_BRUSH:
15755     case GADGET_ID_TEXT:
15756       {
15757         static int last_sx = -1;
15758         static int last_sy = -1;
15759         static int start_sx = -1;
15760         static int start_sy = -1;
15761         void (*draw_func)(int, int, int, int, int, boolean);
15762
15763         if (drawing_function == GADGET_ID_LINE)
15764           draw_func = DrawLine;
15765         else if (drawing_function == GADGET_ID_ARC)
15766           draw_func = DrawArc;
15767         else if (drawing_function == GADGET_ID_RECTANGLE)
15768           draw_func = DrawBox;
15769         else if (drawing_function == GADGET_ID_FILLED_BOX)
15770           draw_func = DrawFilledBox;
15771         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
15772           draw_func = SelectArea;
15773         else // (drawing_function == GADGET_ID_TEXT)
15774           draw_func = SetTextCursor;
15775
15776         if (button_press_event)
15777         {
15778           draw_func(sx, sy, sx, sy, new_element, FALSE);
15779           start_sx = last_sx = sx;
15780           start_sy = last_sy = sy;
15781
15782           if (drawing_function == GADGET_ID_TEXT)
15783             DrawLevelText(0, 0, 0, TEXT_END);
15784         }
15785         else if (button_release_event)
15786         {
15787           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
15788           if (drawing_function == GADGET_ID_GRAB_BRUSH)
15789           {
15790             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
15791             CopyBrushToCursor(sx, sy);
15792             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15793                           MB_LEFTBUTTON);
15794             draw_with_brush = TRUE;
15795           }
15796           else if (drawing_function == GADGET_ID_TEXT)
15797             DrawLevelText(sx, sy, 0, TEXT_INIT);
15798           else
15799             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15800         }
15801         else if (last_sx != sx || last_sy != sy)
15802         {
15803           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
15804           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
15805             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
15806           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
15807           last_sx = sx;
15808           last_sy = sy;
15809         }
15810       }
15811       break;
15812
15813     case GADGET_ID_FLOOD_FILL:
15814       if (button_press_event && Tile[lx][ly] != new_element)
15815       {
15816         if (IS_MM_WALL_EDITOR(new_element))
15817           FloodFillWall_MM(sx2, sy2, new_element);
15818         else
15819           FloodFill(lx, ly, new_element);
15820
15821         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15822         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15823       }
15824       break;
15825
15826     case GADGET_ID_PICK_ELEMENT:
15827       if (button_release_event)
15828         ClickOnGadget(level_editor_gadget[last_drawing_function],
15829                       MB_LEFTBUTTON);
15830       else if (draw_level)
15831         PickDrawingElement(button, Tile[lx][ly]);
15832       else
15833       {
15834         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15835
15836         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
15837       }
15838
15839     default:
15840       break;
15841   }
15842
15843   // do not mark level as modified for certain non-level-changing gadgets
15844   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
15845        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
15846       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
15847       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15848     return;
15849
15850   level.changed = TRUE;
15851 }
15852
15853 static void HandleCounterButtons(struct GadgetInfo *gi)
15854 {
15855   int gadget_id = gi->custom_id;
15856   int counter_id = gi->custom_type_id;
15857   int button = gi->event.button;
15858   int *counter_value = counterbutton_info[counter_id].value;
15859   int step = BUTTON_STEPSIZE(button) *
15860     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
15861
15862   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15863   {
15864     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
15865     boolean released = (gi->event.type == GD_EVENT_RELEASED);
15866     boolean level_changed = LevelChanged();
15867
15868     if ((level_changed && pressed) || (!level_changed && released))
15869       return;
15870
15871     if (level_changed && !Request("Level has changed! Discard changes?",
15872                                   REQ_ASK))
15873     {
15874       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15875         ModifyEditorCounterValue(counter_id, *counter_value);
15876
15877       return;
15878     }
15879   }
15880
15881   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15882     *counter_value = gi->textinput.number_value;
15883   else
15884     ModifyEditorCounterValue(counter_id, *counter_value + step);
15885
15886   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15887   {
15888     int last_game_engine_type = level.game_engine_type;
15889
15890     LoadLevel(level_nr);
15891     LoadScore(level_nr);
15892
15893     SaveLevelSetup_SeriesInfo();
15894
15895     TapeErase();
15896
15897     ResetUndoBuffer();
15898     DrawEditModeWindow();
15899
15900     if (level.game_engine_type != last_game_engine_type)
15901     {
15902       // update element selection list
15903       ReinitializeElementList();
15904       ModifyEditorElementList();
15905     }
15906
15907     return;
15908   }
15909
15910   switch (counter_id)
15911   {
15912     case ED_COUNTER_ID_YAMYAM_CONTENT:
15913       DrawYamYamContentAreas();
15914       break;
15915
15916     case ED_COUNTER_ID_BALL_CONTENT:
15917       DrawMagicBallContentAreas();
15918       break;
15919
15920     case ED_COUNTER_ID_ANDROID_CONTENT:
15921       DrawAndroidElementArea();
15922       break;
15923
15924     case ED_COUNTER_ID_GROUP_CONTENT:
15925       DrawGroupElementArea();
15926       CopyGroupElementPropertiesToGame(properties_element);
15927       break;
15928
15929     case ED_COUNTER_ID_INVENTORY_SIZE:
15930       DrawPlayerInitialInventoryArea(properties_element);
15931       break;
15932
15933     case ED_COUNTER_ID_MM_BALL_CONTENT:
15934       DrawMMBallContentArea();
15935       break;
15936
15937     case ED_COUNTER_ID_ENVELOPE_XSIZE:
15938     case ED_COUNTER_ID_ENVELOPE_YSIZE:
15939       DrawEnvelopeTextArea(-1);
15940       break;
15941
15942     case ED_COUNTER_ID_LEVEL_XSIZE:
15943     case ED_COUNTER_ID_LEVEL_YSIZE:
15944       lev_fieldx = level.fieldx;
15945       lev_fieldy = level.fieldy;
15946
15947       // check if resizing of level results in change of border border
15948       SetBorderElement();
15949
15950       break;
15951
15952     default:
15953       break;
15954   }
15955
15956   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
15957        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
15958       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
15959        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
15960     CopyElementPropertiesToGame(properties_element);
15961
15962   // do not mark level as modified for certain non-level-changing gadgets
15963   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
15964        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
15965       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
15966        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
15967     return;
15968
15969   level.changed = TRUE;
15970 }
15971
15972 static void HandleTextInputGadgets(struct GadgetInfo *gi)
15973 {
15974   int type_id = gi->custom_type_id;
15975
15976   strcpy(textinput_info[type_id].value, gi->textinput.value);
15977
15978   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
15979   {
15980     CopyElementPropertiesToGame(properties_element);
15981
15982     ModifyEditorElementList();  // update changed button info text
15983   }
15984
15985   // do not mark level as modified for certain non-level-changing gadgets
15986   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
15987       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
15988     return;
15989
15990   level.changed = TRUE;
15991 }
15992
15993 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
15994 {
15995   int type_id = gi->custom_type_id;
15996
15997   strncpy(textarea_info[type_id].value, gi->textarea.value,
15998           MAX_ENVELOPE_TEXT_LEN);
15999   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
16000
16001   level.changed = TRUE;
16002 }
16003
16004 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
16005 {
16006   int type_id = gi->custom_type_id;
16007   int value_old = *selectbox_info[type_id].value;
16008   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
16009
16010   *selectbox_info[type_id].value = value_new;
16011
16012   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
16013   {
16014     DrawLevelConfigWindow();
16015   }
16016   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
16017   {
16018     element_info[properties_element].current_change_page = gi->selectbox.index;
16019
16020     DrawPropertiesWindow();
16021   }
16022   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
16023             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
16024            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
16025             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
16026            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
16027   {
16028     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
16029     {
16030       // when changing action type, also check action mode and action arg
16031       if (value_old != value_new)
16032         setSelectboxSpecialActionVariablesIfNeeded();
16033
16034       DrawPropertiesChange();
16035     }
16036
16037     CopyElementPropertiesToGame(properties_element);
16038   }
16039   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
16040   {
16041     // show or hide "engine" tabulator depending on game engine type
16042     DrawLevelConfigWindow();
16043
16044     // update element selection list depending on game engine type
16045     ReinitializeElementList();
16046     ModifyEditorElementList();
16047   }
16048   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
16049   {
16050     // update BD cycle delay counter gadgets depending on BD scheduling type
16051     DrawLevelConfigWindow();
16052   }
16053
16054   // do not mark level as modified for certain non-level-changing gadgets
16055   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
16056       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
16057     return;
16058
16059   level.changed = TRUE;
16060 }
16061
16062 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
16063 {
16064   int type_id = gi->custom_type_id;
16065   int i;
16066
16067   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
16068       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
16069   {
16070     edit_mode_levelconfig = gi->custom_type_id;
16071
16072     DrawLevelConfigWindow();
16073   }
16074   else if (type_id >= ED_TAB_BUTTON_ID_ENGINECONFIG_FIRST &&
16075            type_id <= ED_TAB_BUTTON_ID_ENGINECONFIG_LAST)
16076   {
16077     edit_mode_engineconfig = gi->custom_type_id;
16078
16079     DrawLevelConfigWindow();
16080   }
16081   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
16082            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
16083   {
16084     edit_mode_properties = gi->custom_type_id;
16085
16086     DrawPropertiesWindow();
16087   }
16088   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
16089            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
16090   {
16091     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
16092
16093     // backup original "level.field" (needed to track playfield changes)
16094     CopyPlayfield(level.field, TileBackup);
16095
16096     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
16097     CopyPlayfield(Tile, level.field);
16098
16099     if (new_template ||
16100         Request("Save this template and kill the old?", REQ_ASK))
16101       SaveLevelTemplate();
16102
16103     if (new_template)
16104       Request("Template saved!", REQ_CONFIRM);
16105
16106     // restore original "level.field" (needed to track playfield changes)
16107     CopyPlayfield(TileBackup, level.field);
16108   }
16109   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
16110   {
16111     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
16112
16113     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
16114         leveldir_current->readonly)
16115     {
16116       Request("This level set is read-only!", REQ_CONFIRM);
16117
16118       return;
16119     }
16120
16121     if (strEqual(levelset_name, ""))
16122     {
16123       Request("Please enter level set title!", REQ_CONFIRM);
16124
16125       return;
16126     }
16127
16128     if (strEqual(levelset_author, ""))
16129     {
16130       Request("Please enter level set author!", REQ_CONFIRM);
16131
16132       return;
16133     }
16134
16135     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
16136     {
16137       if (UpdateUserLevelSet(levelset_subdir,
16138                              levelset_name,
16139                              levelset_author,
16140                              levelset_num_levels))
16141       {
16142         Request("Level set updated!", REQ_CONFIRM);
16143       }
16144       else
16145       {
16146         Request("Updating level set failed!", REQ_CONFIRM);
16147       }
16148     }
16149     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
16150     {
16151       if (level.changed && !Request("Level has changed! Discard changes?",
16152                                      REQ_ASK))
16153         return;
16154
16155       if (CreateUserLevelSet(levelset_subdir,
16156                              levelset_name,
16157                              levelset_author,
16158                              levelset_num_levels,
16159                              levelset_use_levelset_artwork))
16160       {
16161         if (levelset_copy_level_template)
16162           CopyLevelTemplateToUserLevelSet(levelset_subdir);
16163
16164         Request("New level set created!", REQ_CONFIRM);
16165
16166         AddUserLevelSetToLevelInfo(levelset_subdir);
16167         ChangeEditorToLevelSet(levelset_subdir);
16168       }
16169       else
16170       {
16171         Request("Creating new level set failed!", REQ_CONFIRM);
16172       }
16173     }
16174   }
16175   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
16176            custom_element.num_change_pages < MAX_CHANGE_PAGES)
16177   {
16178     struct ElementInfo *ei = &element_info[properties_element];
16179
16180     // when modifying custom element, ask for copying level template
16181     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16182       return;
16183
16184     setElementChangePages(ei, ei->num_change_pages + 1);
16185
16186     // set new change page to be new current change page
16187     ei->current_change_page = ei->num_change_pages - 1;
16188     ei->change = &ei->change_page[ei->current_change_page];
16189
16190     setElementChangeInfoToDefaults(ei->change);
16191
16192     DrawPropertiesWindow();
16193
16194     level.changed = TRUE;
16195   }
16196   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
16197            custom_element.num_change_pages > MIN_CHANGE_PAGES)
16198   {
16199     struct ElementInfo *ei = &element_info[properties_element];
16200
16201     // when modifying custom element, ask for copying level template
16202     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16203       return;
16204
16205     // copy all change pages after change page to be deleted
16206     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
16207       ei->change_page[i] = ei->change_page[i + 1];
16208
16209     setElementChangePages(ei, ei->num_change_pages - 1);
16210
16211     DrawPropertiesWindow();
16212
16213     level.changed = TRUE;
16214   }
16215 }
16216
16217 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
16218 {
16219   int type_id = gi->custom_type_id;
16220
16221   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
16222       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
16223   {
16224     struct ElementInfo *ei = &element_info[properties_element];
16225     int step = BUTTON_STEPSIZE(gi->event.button);
16226
16227     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
16228     ei->current_change_page += step;
16229
16230     if (ei->current_change_page < 0)
16231       ei->current_change_page = 0;
16232     else if (ei->current_change_page >= ei->num_change_pages)
16233       ei->current_change_page = ei->num_change_pages - 1;
16234
16235     DrawPropertiesWindow();
16236   }
16237   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
16238            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
16239   {
16240     struct ElementInfo *ei = &element_info[properties_element];
16241     int current_change_page = ei->current_change_page;
16242
16243     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
16244     {
16245       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
16246         ei->change_page[current_change_page];
16247     }
16248     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
16249     {
16250       // when modifying custom element, ask for copying level template
16251       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
16252         return;
16253
16254       ei->change_page[current_change_page] =
16255         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
16256
16257       level.changed = TRUE;
16258     }
16259
16260     DrawPropertiesWindow();
16261   }
16262 }
16263
16264 static void HandleRadiobuttons(struct GadgetInfo *gi)
16265 {
16266   int type_id = gi->custom_type_id;
16267
16268   *radiobutton_info[type_id].value =
16269     radiobutton_info[type_id].checked_value;
16270
16271   // do not mark level as modified for certain non-level-changing gadgets
16272   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
16273       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
16274     return;
16275
16276   level.changed = TRUE;
16277 }
16278
16279 static void HandleCheckbuttons(struct GadgetInfo *gi)
16280 {
16281   int type_id = gi->custom_type_id;
16282
16283   *checkbutton_info[type_id].value ^= TRUE;
16284
16285   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
16286       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
16287       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
16288       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
16289          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
16290         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
16291          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
16292        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
16293   {
16294     CopyElementPropertiesToGame(properties_element);
16295   }
16296
16297   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
16298   {
16299     UpdateCustomElementGraphicGadgets();
16300   }
16301   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
16302            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
16303   {
16304     boolean template_related_changes_found = FALSE;
16305     int i;
16306
16307     // check if any custom, group or empty elements have been changed
16308     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
16309       if ((IS_CUSTOM_ELEMENT(i) ||
16310            IS_GROUP_ELEMENT(i) ||
16311            IS_EMPTY_ELEMENT(i)) &&
16312           element_info[i].modified_settings)
16313         template_related_changes_found = TRUE;
16314
16315     if (level.use_custom_template &&
16316         !fileExists(getGlobalLevelTemplateFilename()))
16317     {
16318       Request("No level template found!", REQ_CONFIRM);
16319
16320       level.use_custom_template = FALSE;
16321
16322       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
16323
16324       return;
16325     }
16326
16327     if (level.use_custom_template &&
16328         template_related_changes_found &&
16329         !Request("Discard changes and use level template?", REQ_ASK))
16330     {
16331       level.use_custom_template = FALSE;
16332
16333       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
16334
16335       return;
16336     }
16337
16338     if (!level.use_custom_template &&
16339         Request("Copy settings from level template?", REQ_ASK))
16340     {
16341       return;
16342     }
16343
16344     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
16345
16346     DrawEditModeWindow();
16347   }
16348   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
16349   {
16350     if (setup.editor.use_template_for_new_levels &&
16351         !fileExists(getGlobalLevelTemplateFilename()))
16352     {
16353       Request("No level template found!", REQ_CONFIRM);
16354
16355       return;
16356     }
16357
16358     if (setup.editor.use_template_for_new_levels &&
16359         level.changed &&
16360         !Request("Discard level and load template?", REQ_ASK))
16361     {
16362       return;
16363     }
16364
16365     if (!setup.editor.use_template_for_new_levels &&
16366         level.changed &&
16367         !Request("Discard level and use empty level?", REQ_ASK))
16368     {
16369       return;
16370     }
16371
16372     LoadLevel(level_nr);
16373     LoadScore(level_nr);
16374
16375     TapeErase();
16376
16377     ResetUndoBuffer();
16378     DrawEditModeWindow();
16379   }
16380   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
16381   {
16382     SetAutomaticNumberOfGemsNeeded();
16383   }
16384
16385   // do not mark level as modified for certain non-level-changing gadgets
16386   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
16387        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
16388       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
16389        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
16390        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
16391       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
16392     return;
16393
16394   level.changed = TRUE;
16395 }
16396
16397 static void HandleControlButtons(struct GadgetInfo *gi)
16398 {
16399   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
16400   static int last_edit_mode = ED_MODE_DRAWING;
16401   static int last_custom_copy_mode = -1;
16402   static int last_button = 0;
16403   int id = gi->custom_id;
16404   int button = gi->event.button;
16405   int step = BUTTON_STEPSIZE(button);
16406   int new_element = BUTTON_ELEMENT(button);
16407   int last_properties_element = properties_element;
16408   int x, y;
16409
16410   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
16411     DrawLevelText(0, 0, 0, TEXT_END);
16412
16413   if (id < ED_NUM_CTRL1_BUTTONS &&
16414       id != GADGET_ID_SINGLE_ITEMS &&
16415       id != GADGET_ID_PICK_ELEMENT &&
16416       edit_mode != ED_MODE_DRAWING &&
16417       drawing_function != GADGET_ID_PICK_ELEMENT &&
16418       !(GetKeyModState() & KMOD_Control))
16419     ChangeEditModeWindow(ED_MODE_DRAWING);
16420
16421   // element copy mode active, but no element button pressed => deactivate
16422   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
16423     last_custom_copy_mode = -1;
16424
16425   // when showing palette on element buttons, change element of button used
16426   if (editor.palette.show_on_element_buttons &&
16427       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
16428   {
16429     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
16430
16431     id = GADGET_ID_PALETTE;
16432   }
16433
16434   switch (id)
16435   {
16436     case GADGET_ID_SCROLL_LEFT:
16437       if (level_xpos >= 0)
16438       {
16439         if (lev_fieldx < ed_fieldx - 2)
16440           break;
16441
16442         level_xpos -= step;
16443         if (level_xpos < -1)
16444           level_xpos = -1;
16445         if (button == 1)
16446           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
16447         else
16448           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16449
16450         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16451                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16452       }
16453       break;
16454
16455     case GADGET_ID_SCROLL_RIGHT:
16456       if (level_xpos <= lev_fieldx - ed_fieldx)
16457       {
16458         if (lev_fieldx < ed_fieldx - 2)
16459           break;
16460
16461         level_xpos += step;
16462         if (level_xpos > lev_fieldx - ed_fieldx + 1)
16463           level_xpos = lev_fieldx - ed_fieldx + 1;
16464         if (button == 1)
16465           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
16466         else
16467           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16468
16469         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16470                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16471       }
16472       break;
16473
16474     case GADGET_ID_SCROLL_UP:
16475       if (level_ypos >= 0)
16476       {
16477         if (lev_fieldy < ed_fieldy - 2)
16478           break;
16479
16480         level_ypos -= step;
16481         if (level_ypos < -1)
16482           level_ypos = -1;
16483         if (button == 1)
16484           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
16485         else
16486           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16487
16488         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16489                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16490       }
16491       break;
16492
16493     case GADGET_ID_SCROLL_DOWN:
16494       if (level_ypos <= lev_fieldy - ed_fieldy)
16495       {
16496         if (lev_fieldy < ed_fieldy - 2)
16497           break;
16498
16499         level_ypos += step;
16500         if (level_ypos > lev_fieldy - ed_fieldy + 1)
16501           level_ypos = lev_fieldy - ed_fieldy + 1;
16502         if (button == 1)
16503           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
16504         else
16505           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16506
16507         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16508                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16509       }
16510       break;
16511
16512     case GADGET_ID_SCROLL_HORIZONTAL:
16513       level_xpos = gi->event.item_position - 1;
16514
16515       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16516       BackToFront();
16517
16518       break;
16519
16520     case GADGET_ID_SCROLL_VERTICAL:
16521       level_ypos = gi->event.item_position - 1;
16522
16523       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16524       BackToFront();
16525
16526       break;
16527
16528     case GADGET_ID_SCROLL_LIST_UP:
16529     case GADGET_ID_SCROLL_LIST_DOWN:
16530     case GADGET_ID_SCROLL_LIST_VERTICAL:
16531       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
16532         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
16533       else
16534       {
16535         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
16536         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16537
16538         if (element_shift < 0)
16539           element_shift = 0;
16540         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16541           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16542
16543         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16544                      GDI_SCROLLBAR_ITEM_POSITION,
16545                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16546       }
16547
16548       ModifyEditorElementList();
16549
16550       break;
16551
16552     case GADGET_ID_PROPERTIES:
16553       // always switch off element properties when they are already displayed
16554       last_properties_element = new_element;
16555     case GADGET_ID_ELEMENT_LEFT:
16556     case GADGET_ID_ELEMENT_MIDDLE:
16557     case GADGET_ID_ELEMENT_RIGHT:
16558       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
16559                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
16560                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
16561                             new_element);
16562
16563       if (edit_mode != ED_MODE_PROPERTIES)
16564       {
16565         last_edit_mode = edit_mode;
16566
16567         ChangeEditModeWindow(ED_MODE_PROPERTIES);
16568
16569         last_level_drawing_function = drawing_function;
16570         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
16571                       MB_LEFTBUTTON);
16572       }
16573       else if (properties_element != last_properties_element)
16574       {
16575         DrawEditModeWindow();
16576       }
16577       else
16578       {
16579         ChangeEditModeWindow(ED_MODE_DRAWING);
16580
16581         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
16582                       MB_LEFTBUTTON);
16583       }
16584       break;
16585
16586     case GADGET_ID_PALETTE:
16587       if (edit_mode != ED_MODE_PALETTE)
16588       {
16589         last_edit_mode = edit_mode;
16590
16591         ChangeEditModeWindow(ED_MODE_PALETTE);
16592       }
16593       else
16594       {
16595         ChangeEditModeWindow(last_edit_mode);
16596       }
16597       break;
16598
16599     case GADGET_ID_WRAP_LEFT:
16600       WrapLevel(-step, 0);
16601       break;
16602
16603     case GADGET_ID_WRAP_RIGHT:
16604       WrapLevel(step, 0);
16605       break;
16606
16607     case GADGET_ID_WRAP_UP:
16608       WrapLevel(0, -step);
16609       break;
16610
16611     case GADGET_ID_WRAP_DOWN:
16612       WrapLevel(0, step);
16613       break;
16614
16615     case GADGET_ID_SINGLE_ITEMS:
16616     case GADGET_ID_CONNECTED_ITEMS:
16617     case GADGET_ID_LINE:
16618     case GADGET_ID_ARC:
16619     case GADGET_ID_TEXT:
16620     case GADGET_ID_RECTANGLE:
16621     case GADGET_ID_FILLED_BOX:
16622     case GADGET_ID_FLOOD_FILL:
16623     case GADGET_ID_GRAB_BRUSH:
16624     case GADGET_ID_PICK_ELEMENT:
16625       if (drawing_function != GADGET_ID_PICK_ELEMENT)
16626         last_drawing_function = drawing_function;
16627       drawing_function = id;
16628       draw_with_brush = FALSE;
16629       break;
16630
16631     case GADGET_ID_RANDOM_PLACEMENT:
16632       RandomPlacement(new_element);
16633       break;
16634
16635     case GADGET_ID_ZOOM:
16636       // zoom level editor tile size in or out (or reset to default size)
16637       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
16638                      button == 2 ? ed_tilesize_default :
16639                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
16640
16641       // when using touch device, cycle through all zoom tilesizes
16642       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
16643         ed_tilesize = MICRO_TILESIZE;
16644
16645       // limit zoom level by upper and lower bound
16646       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
16647
16648       InitZoomLevelSettings(ed_tilesize);
16649
16650       if (edit_mode == ED_MODE_DRAWING)
16651       {
16652         DrawDrawingWindow();
16653
16654         // redraw zoom gadget info text
16655         PrintEditorGadgetInfoText(level_editor_gadget[id]);
16656       }
16657
16658       // save current editor zoom tilesize
16659       SaveSetup_AutoSetup();
16660
16661       break;
16662
16663     case GADGET_ID_CUSTOM_COPY_FROM:
16664     case GADGET_ID_CUSTOM_COPY_TO:
16665     case GADGET_ID_CUSTOM_EXCHANGE:
16666       last_custom_copy_mode = id;
16667       last_drawing_function = drawing_function;
16668       break;
16669
16670     case GADGET_ID_CUSTOM_COPY:
16671       CopyCustomElement(properties_element, -1, id);
16672       break;
16673
16674     case GADGET_ID_CUSTOM_PASTE:
16675       CopyCustomElement(-1, properties_element, id);
16676       break;
16677
16678     case GADGET_ID_UNDO:
16679       if (button < 0)   // keep button value (even if modifier keys are pressed)
16680         button = -button;
16681       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
16682         button = 3;
16683
16684       if (button == 1 && undo_buffer_steps == 0)
16685       {
16686         Request("Undo buffer empty!", REQ_CONFIRM);
16687
16688         break;
16689       }
16690       else if (button == 2)
16691       {
16692         break;
16693       }
16694       else if (button == 3 && redo_buffer_steps == 0)
16695       {
16696         Request("Redo buffer empty!", REQ_CONFIRM);
16697
16698         break;
16699       }
16700
16701       if (edit_mode != ED_MODE_DRAWING)
16702         ChangeEditModeWindow(ED_MODE_DRAWING);
16703
16704       if (button == 1)
16705       {
16706         // undo
16707
16708         undo_buffer_position =
16709           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
16710
16711         undo_buffer_steps--;
16712         redo_buffer_steps++;
16713       }
16714       else
16715       {
16716         // redo
16717
16718         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
16719
16720         undo_buffer_steps++;
16721         redo_buffer_steps--;
16722       }
16723
16724       for (x = 0; x < lev_fieldx; x++)
16725         for (y = 0; y < lev_fieldy; y++)
16726           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
16727
16728       // check if undo operation forces change of border style
16729       CheckLevelBorderElement(FALSE);
16730
16731       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16732
16733       break;
16734
16735     case GADGET_ID_CONF:
16736       if (edit_mode != ED_MODE_LEVELCONFIG)
16737       {
16738         last_edit_mode = edit_mode;
16739
16740         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
16741       }
16742       else
16743       {
16744         ChangeEditModeWindow(ED_MODE_DRAWING);
16745       }
16746       break;
16747
16748     case GADGET_ID_CLEAR:
16749       if (edit_mode != ED_MODE_DRAWING)
16750         ChangeEditModeWindow(ED_MODE_DRAWING);
16751
16752       for (x = 0; x < MAX_LEV_FIELDX; x++)
16753         for (y = 0; y < MAX_LEV_FIELDY; y++)
16754           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
16755
16756       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
16757
16758       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16759       break;
16760
16761     case GADGET_ID_SAVE:
16762     {
16763       // saving read-only levels into personal level set modifies global vars
16764       // "leveldir_current" and "level_nr"; restore them after saving level
16765       LevelDirTree *leveldir_former = leveldir_current;
16766       int level_nr_former = level_nr;
16767       char *level_filename;
16768       boolean new_level;
16769
16770       if (leveldir_current->readonly &&
16771           !PrepareSavingIntoPersonalLevelSet())
16772         break;
16773
16774       level_filename = getDefaultLevelFilename(level_nr);
16775       new_level = !fileExists(level_filename);
16776
16777       if (new_level ||
16778           Request("Save this level and kill the old?", REQ_ASK))
16779       {
16780         if (leveldir_former->readonly)
16781           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
16782
16783         SetAutomaticNumberOfGemsNeeded();
16784
16785         CopyPlayfield(Tile, level.field);
16786         SaveLevel(level_nr);
16787
16788         level.changed = FALSE;
16789
16790         if (new_level)
16791         {
16792           char level_saved_msg[64];
16793
16794           if (leveldir_former->readonly)
16795             sprintf(level_saved_msg,
16796                     "Level saved as level %d into personal level set!",
16797                     level_nr);
16798           else
16799             strcpy(level_saved_msg, "Level saved!");
16800
16801           Request(level_saved_msg, REQ_CONFIRM);
16802         }
16803       }
16804
16805       // "cd" back to copied-from levelset (in case of saved read-only level)
16806       leveldir_current = leveldir_former;
16807       level_nr = level_nr_former;
16808
16809       break;
16810     }
16811
16812     case GADGET_ID_TEST:
16813       if (LevelChanged())
16814         level.game_version = GAME_VERSION_ACTUAL;
16815
16816       CopyPlayfield(level.field, TileBackup);
16817       CopyPlayfield(Tile, level.field);
16818
16819       CopyNativeLevel_RND_to_Native(&level);
16820
16821       UnmapLevelEditorGadgets();
16822       UndrawSpecialEditorDoor();
16823
16824       CloseDoor(DOOR_CLOSE_ALL);
16825
16826       // needed before playing if editor playfield area has different size
16827       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
16828
16829       // redraw_mask = REDRAW_ALL;
16830
16831       level_editor_test_game = TRUE;
16832
16833       StartGameActions(FALSE, setup.autorecord, level.random_seed);
16834
16835       break;
16836
16837     case GADGET_ID_EXIT:
16838       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
16839       break;
16840
16841     default:
16842       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
16843           id <= GADGET_ID_ELEMENTLIST_LAST)
16844       {
16845         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
16846
16847         new_element = editor_elements[element_position + element_shift];
16848
16849         if (IS_EDITOR_CASCADE(new_element))
16850         {
16851           int i;
16852
16853           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
16854           {
16855             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
16856             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
16857
16858             if (*cascade_element == new_element)
16859             {
16860               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
16861               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
16862
16863               // update element selection list
16864               ReinitializeElementList();
16865               ModifyEditorElementList();
16866
16867               // update cascading gadget info text
16868               PrintEditorGadgetInfoText(level_editor_gadget[id]);
16869
16870               // save current editor cascading state
16871               SaveSetup_EditorCascade();
16872
16873               break;
16874             }
16875           }
16876
16877           break;
16878         }
16879
16880         if (last_custom_copy_mode != -1)
16881         {
16882           if (CopyCustomElement(properties_element, new_element,
16883                                 last_custom_copy_mode))
16884           {
16885             ClickOnGadget(level_editor_gadget[last_drawing_function],
16886                           MB_LEFTBUTTON);
16887
16888             last_custom_copy_mode = -1;
16889           }
16890
16891           break;
16892         }
16893
16894         // change element of button used to show palette
16895         if (editor.palette.show_on_element_buttons)
16896           button = last_button;
16897
16898         PickDrawingElement(button, new_element);
16899
16900         if (!stick_element_properties_window &&
16901             drawing_function != GADGET_ID_PICK_ELEMENT &&
16902             !(GetKeyModState() & KMOD_Control))
16903         {
16904           properties_element = new_element;
16905           if (edit_mode == ED_MODE_PROPERTIES)
16906             DrawPropertiesWindow();
16907         }
16908
16909         if (drawing_function == GADGET_ID_PICK_ELEMENT)
16910           ClickOnGadget(level_editor_gadget[last_drawing_function],
16911                         MB_LEFTBUTTON);
16912
16913         if (!use_permanent_palette)
16914           ChangeEditModeWindow(last_edit_mode);
16915       }
16916 #ifdef DEBUG
16917       else if (gi->event.type == GD_EVENT_PRESSED)
16918         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
16919       else if (gi->event.type == GD_EVENT_RELEASED)
16920         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
16921       else if (gi->event.type == GD_EVENT_MOVING)
16922         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
16923       else
16924         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
16925 #endif
16926       break;
16927   }
16928 }
16929
16930 void HandleLevelEditorKeyInput(Key key)
16931 {
16932   char letter = getCharFromKey(key);
16933
16934   if (drawing_function == GADGET_ID_TEXT &&
16935       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
16936   {
16937     if (letter)
16938       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
16939     else if (key == KSYM_Delete || key == KSYM_BackSpace)
16940       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
16941     else if (key == KSYM_Return)
16942       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
16943     else if (key == KSYM_Escape)
16944       DrawLevelText(0, 0, 0, TEXT_END);
16945
16946     return;
16947   }
16948
16949   int id = GADGET_ID_NONE;
16950   int new_element_shift = element_shift;
16951   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
16952   int button = MB_LEFTBUTTON;
16953   int i;
16954
16955   switch (key)
16956   {
16957     case KSYM_Left:
16958       id = GADGET_ID_SCROLL_LEFT;
16959       break;
16960     case KSYM_Right:
16961       id = GADGET_ID_SCROLL_RIGHT;
16962       break;
16963     case KSYM_Up:
16964       id = GADGET_ID_SCROLL_UP;
16965       break;
16966     case KSYM_Down:
16967       id = GADGET_ID_SCROLL_DOWN;
16968       break;
16969
16970     case KSYM_Page_Up:
16971     case KSYM_Page_Down:
16972       step *= (key == KSYM_Page_Up ? -1 : +1);
16973       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16974
16975       if (element_shift < 0)
16976         element_shift = 0;
16977       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16978         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16979
16980       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16981                    GDI_SCROLLBAR_ITEM_POSITION,
16982                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16983
16984       ModifyEditorElementList();
16985
16986       break;
16987
16988     case KSYM_Home:
16989     case KSYM_End:
16990       element_shift = (key == KSYM_Home ? 0 :
16991                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
16992
16993       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16994                    GDI_SCROLLBAR_ITEM_POSITION,
16995                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16996
16997       ModifyEditorElementList();
16998
16999       break;
17000
17001     case KSYM_Insert:
17002     case KSYM_Delete:
17003
17004       // this is needed to prevent interference with running "True X-Mouse"
17005       if (GetKeyModStateFromEvents() & KMOD_Control)
17006         break;
17007
17008       // check for last or next editor cascade block in element list
17009       for (i = 0; i < num_editor_elements; i++)
17010       {
17011         if ((key == KSYM_Insert && i == element_shift) ||
17012             (key == KSYM_Delete && new_element_shift > element_shift))
17013           break;
17014
17015         // jump to next cascade block (or to start of element list)
17016         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
17017           new_element_shift = i;
17018       }
17019
17020       if (i < num_editor_elements)
17021         element_shift = new_element_shift;
17022
17023       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
17024         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
17025
17026       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
17027                    GDI_SCROLLBAR_ITEM_POSITION,
17028                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
17029
17030       ModifyEditorElementList();
17031
17032       break;
17033
17034     case KSYM_Escape:
17035       if (edit_mode == ED_MODE_DRAWING)
17036         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
17037       else if (edit_mode == ED_MODE_LEVELCONFIG)
17038         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
17039       else if (edit_mode == ED_MODE_PROPERTIES)
17040         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
17041       else if (edit_mode == ED_MODE_PALETTE)
17042         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
17043       else              // should never happen
17044         ChangeEditModeWindow(ED_MODE_DRAWING);
17045
17046       break;
17047
17048     default:
17049       break;
17050   }
17051
17052   if (id != GADGET_ID_NONE)
17053     ClickOnGadget(level_editor_gadget[id], button);
17054   else if (letter == '1' || letter == '?')
17055     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
17056   else if (letter == '2')
17057     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
17058   else if (letter == '3')
17059     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
17060   else if (letter == '.')
17061     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
17062   else if (letter == 'U')
17063     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
17064   else if (letter == '-' || key == KSYM_KP_Subtract)
17065     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
17066   else if (letter == '0' || key == KSYM_KP_0)
17067     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
17068   else if (letter == '+' || key == KSYM_KP_Add ||
17069            letter == '=')       // ("Shift-=" is "+" on US keyboards)
17070     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
17071   else if (key == KSYM_Return ||
17072            key == KSYM_space ||
17073            key == setup.shortcut.toggle_pause)
17074     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
17075   else
17076     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
17077       if (letter && letter == controlbutton_info[i].shortcut)
17078         if (!anyTextGadgetActive())
17079           ClickOnGadget(level_editor_gadget[i], button);
17080
17081   if (draw_with_brush)
17082   {
17083     if (letter == 'x')
17084       FlipBrushX();
17085     else if (letter == 'y')
17086       FlipBrushY();
17087     else if (letter == 'z')
17088       RotateBrush();
17089   }
17090 }
17091
17092 static void HandleLevelEditorIdle_Properties(void)
17093 {
17094   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
17095   int x = editor.settings.element_graphic.x + element_border;
17096   int y = editor.settings.element_graphic.y + element_border;
17097   static DelayCounter action_delay = { 0 };
17098   int i;
17099
17100   action_delay.value = GameFrameDelay;
17101
17102   if (!DelayReached(&action_delay))
17103     return;
17104
17105   for (i = 0; i < ED_NUM_SELECTBOX; i++)
17106   {
17107     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
17108
17109     if (gi->mapped && gi->active && gi->selectbox.open)
17110       return;
17111   }
17112
17113   DrawEditorElementAnimation(SX + x, SY + y);
17114
17115   redraw_mask |= REDRAW_FIELD;
17116
17117   FrameCounter++;       // increase animation frame counter
17118 }
17119
17120 static void HandleLevelEditorIdle_Drawing(void)
17121 {
17122   static boolean last_highlighted = FALSE;
17123   static boolean last_highlighted_similar = FALSE;
17124   boolean highlighted = (GetKeyModState() & KMOD_Alt);
17125   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
17126
17127   if (highlighted != last_highlighted ||
17128       (highlighted && highlighted_similar != last_highlighted_similar))
17129   {
17130     DrawAreaElementHighlight(highlighted, highlighted_similar);
17131
17132     redraw_mask |= REDRAW_FIELD;
17133   }
17134
17135   last_highlighted = highlighted;
17136   last_highlighted_similar = highlighted_similar;
17137 }
17138
17139 void HandleLevelEditorIdle(void)
17140 {
17141   if (edit_mode == ED_MODE_PROPERTIES)
17142     HandleLevelEditorIdle_Properties();
17143   else if (edit_mode == ED_MODE_DRAWING)
17144     HandleLevelEditorIdle_Drawing();
17145 }
17146
17147 static void ClearEditorGadgetInfoText(void)
17148 {
17149   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
17150 }
17151
17152 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
17153 {
17154   char infotext[MAX_OUTPUT_LINESIZE + 1];
17155   int max_infotext_len = getMaxInfoTextLength();
17156
17157   if (gi == NULL || strlen(gi->info_text) == 0)
17158     return;
17159
17160   strncpy(infotext, gi->info_text, max_infotext_len);
17161   infotext[max_infotext_len] = '\0';
17162
17163   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
17164   {
17165     int key = controlbutton_info[gi->custom_id].shortcut;
17166
17167     if (key)
17168     {
17169       char shortcut[MAX_OUTPUT_LINESIZE + 1];
17170
17171       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
17172         sprintf(shortcut, " ('.' or '%c')", key);
17173       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
17174         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
17175       else if (gi->custom_id == GADGET_ID_TEST)
17176         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
17177       else if (gi->custom_id == GADGET_ID_UNDO)
17178         sprintf(shortcut, " ('%c/Shift-U')", key);
17179       else if (gi->custom_id == GADGET_ID_ZOOM)
17180         sprintf(shortcut, " ('%c', '0', '-')", key);
17181       else
17182         sprintf(shortcut, " ('%s%c')",
17183                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
17184
17185       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
17186         strcat(infotext, shortcut);
17187     }
17188   }
17189
17190   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
17191 }
17192
17193 void HandleEditorGadgetInfoText(void *ptr)
17194 {
17195   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
17196
17197   if (game_status != GAME_MODE_EDITOR)
17198     return;
17199
17200   ClearEditorGadgetInfoText();
17201
17202   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
17203     return;
17204
17205   // misuse this function to delete brush cursor, if needed
17206   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
17207     DeleteBrushFromCursor();
17208
17209   PrintEditorGadgetInfoText(gi);
17210 }
17211
17212 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
17213 {
17214   int id = gi->custom_id;
17215   int type_id = gi->custom_type_id;
17216   int sx = gi->event.x;
17217   int sy = gi->event.y;
17218   int lx = sx + level_xpos;
17219   int ly = sy + level_ypos;
17220   int min_sx = 0, min_sy = 0;
17221   int max_sx = gi->drawing.area_xsize - 1;
17222   int max_sy = gi->drawing.area_ysize - 1;
17223   int actual_drawing_function = drawing_function;
17224   int max_infotext_len = getMaxInfoTextLength();
17225   char infotext[MAX_OUTPUT_LINESIZE + 1];
17226
17227   infotext[0] = '\0';           // start with empty info text
17228
17229   // pressed Control key: simulate picking element
17230   if (GetKeyModState() & KMOD_Control)
17231     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
17232
17233   ClearEditorGadgetInfoText();
17234
17235   if (gi->event.type == GD_EVENT_INFO_LEAVING)
17236     return;
17237
17238   // make sure to stay inside drawing area boundaries
17239   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
17240   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
17241
17242   if (id == GADGET_ID_DRAWING_LEVEL)
17243   {
17244     if (button_status)
17245     {
17246       int min_lx = 0, min_ly = 0;
17247       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
17248
17249       // get positions inside level field
17250       lx = sx + level_xpos;
17251       ly = sy + level_ypos;
17252
17253       // make sure to stay inside level field boundaries
17254       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
17255       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
17256
17257       // correct drawing area positions accordingly
17258       sx = lx - level_xpos;
17259       sy = ly - level_ypos;
17260     }
17261
17262     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
17263     {
17264       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
17265       {
17266         static int start_lx = 0;
17267         static int start_ly = 0;
17268         char *text;
17269
17270         if (gi->event.type == GD_EVENT_PRESSED)
17271         {
17272           start_lx = lx;
17273           start_ly = ly;
17274         }
17275
17276         switch (actual_drawing_function)
17277         {
17278           case GADGET_ID_SINGLE_ITEMS:
17279             text = "Drawing single items";
17280             break;
17281           case GADGET_ID_CONNECTED_ITEMS:
17282             text = "Drawing connected items";
17283             break;
17284           case GADGET_ID_LINE:
17285             text = "Drawing line";
17286             break;
17287           case GADGET_ID_ARC:
17288             text = "Drawing arc";
17289             break;
17290           case GADGET_ID_TEXT:
17291             text = "Setting text cursor";
17292             break;
17293           case GADGET_ID_RECTANGLE:
17294             text = "Drawing rectangle";
17295             break;
17296           case GADGET_ID_FILLED_BOX:
17297             text = "Drawing filled box";
17298             break;
17299           case GADGET_ID_FLOOD_FILL:
17300             text = "Flood fill";
17301             break;
17302           case GADGET_ID_GRAB_BRUSH:
17303             text = "Grabbing brush";
17304             break;
17305           case GADGET_ID_PICK_ELEMENT:
17306             text = "Picking element";
17307             break;
17308
17309           default:
17310             text = "Drawing position";
17311             break;
17312         }
17313
17314         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17315           sprintf(infotext, "%s: %d, %d", text, lx, ly);
17316         else
17317           sprintf(infotext, "%s: %d, %d", text,
17318                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
17319       }
17320       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17321         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
17322       else
17323         sprintf(infotext, "Level position: %d, %d", lx, ly);
17324     }
17325
17326     // misuse this function to draw brush cursor, if needed
17327     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
17328     {
17329       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
17330         CopyBrushToCursor(sx, sy);
17331       else
17332         DeleteBrushFromCursor();
17333     }
17334
17335     if (!draw_with_brush)
17336       UpdateBrushPosition(sx, sy);
17337   }
17338   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17339   {
17340     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
17341     int element = drawingarea_info[type_id].value[pos];
17342
17343     strncpy(infotext, getElementInfoText(element), max_infotext_len);
17344   }
17345   else
17346   {
17347     if (id == GADGET_ID_CUSTOM_CONTENT)
17348       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
17349     else if (id == GADGET_ID_GROUP_CONTENT)
17350       sprintf(infotext, "group element position: %d", sx + 1);
17351     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
17352              id <= GADGET_ID_YAMYAM_CONTENT_7)
17353       sprintf(infotext, "content area %d position: %d, %d",
17354               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
17355     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
17356              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
17357       sprintf(infotext, "content area %d position: %d, %d",
17358               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
17359     else if (id == GADGET_ID_ANDROID_CONTENT)
17360       sprintf(infotext, "android element position: %d", sx + 1);
17361     else if (drawingarea_info[type_id].infotext != NULL)
17362       strcpy(infotext, drawingarea_info[type_id].infotext);
17363   }
17364
17365   infotext[max_infotext_len] = '\0';
17366
17367   if (strlen(infotext) > 0)
17368     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
17369 }
17370
17371 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
17372                             boolean quick_quit)
17373 {
17374   if (!ask_if_level_has_changed ||
17375       !LevelChanged() ||
17376       Request("Level has changed! Exit without saving?",
17377               REQ_ASK | REQ_STAY_OPEN))
17378   {
17379     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
17380     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
17381
17382     // draw normal door
17383     UndrawSpecialEditorDoor();
17384
17385     // use door animation if door 1 viewport is unchanged and contains toolbox
17386     if (useEditorDoorAnimation())
17387       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
17388
17389     // close editor doors if viewport definition is the same as in main menu
17390     if (vp_door_1->x      == DX     &&
17391         vp_door_1->y      == DY     &&
17392         vp_door_1->width  == DXSIZE &&
17393         vp_door_1->height == DYSIZE &&
17394         vp_door_2->x      == VX     &&
17395         vp_door_2->y      == VY     &&
17396         vp_door_2->width  == VXSIZE &&
17397         vp_door_2->height == VYSIZE)
17398       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
17399     else
17400       SetDoorState(DOOR_CLOSE_ALL);
17401
17402     BackToFront();
17403
17404     if (quick_quit)
17405       FadeSkipNextFadeIn();
17406
17407     SetGameStatus(GAME_MODE_MAIN);
17408
17409     DrawMainMenu();
17410   }
17411   else
17412   {
17413     if (!global.use_envelope_request)
17414     {
17415       CloseDoor(DOOR_CLOSE_1);
17416       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
17417     }
17418   }
17419 }