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 //                  http://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   -----------------------------------------------------------------------------
  30   screen and artwork graphic pixel position definitions
  31   -----------------------------------------------------------------------------
  32 */
  33
  34 /* values for the control window */
  35 #define ED_CTRL1_BUTTONS_HORIZ          4       /* toolbox */
  36 #define ED_CTRL1_BUTTONS_VERT           4
  37 #define ED_CTRL2_BUTTONS_HORIZ          3       /* level */
  38 #define ED_CTRL2_BUTTONS_VERT           2
  39 #define ED_CTRL3_BUTTONS_HORIZ          3       /* CE and GE */
  40 #define ED_CTRL3_BUTTONS_VERT           1
  41 #define ED_CTRL4_BUTTONS_HORIZ          2       /* CE and GE */
  42 #define ED_CTRL4_BUTTONS_VERT           1
  43 #define ED_CTRL5_BUTTONS_HORIZ          1       /* properties */
  44 #define ED_CTRL5_BUTTONS_VERT           1
  45 #define ED_CTRL6_BUTTONS_HORIZ          3       /* properties */
  46 #define ED_CTRL6_BUTTONS_VERT           1
  47 #define ED_CTRL7_BUTTONS_HORIZ          1       /* palette */
  48 #define ED_CTRL7_BUTTONS_VERT           1
  49
  50 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  51 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  52 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  53 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  54 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  55 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  56 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  57 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  58 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  59 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  60 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  61 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  62 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  63 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  64
  65 /* values for the element list */
  66 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  67 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  68 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  69 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (editor.palette.cols)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (editor.palette.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_LEVEL_SETTINGS_TABS_X        (editor.settings.tabs.x)
 101 #define ED_LEVEL_SETTINGS_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_ELEMENT_SETTINGS_TABS_X      (editor.settings.tabs.x)
 103 #define ED_ELEMENT_SETTINGS_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_SETTINGS_XSTART        (ED_LEVEL_SETTINGS_TABS_X +     \
 110                                          ED_SETTINGS_TABS_XOFFSET)
 111 #define ED_LEVEL_SETTINGS_YSTART        (ED_LEVEL_SETTINGS_TABS_Y +     \
 112                                          ED_TABBUTTON_YSIZE +           \
 113                                          ED_GADGET_TINY_DISTANCE +      \
 114                                          ED_TAB_BAR_HEIGHT +            \
 115                                          ED_SETTINGS_TABS_YOFFSET +     \
 116                                          getFontHeight(FONT_TEXT_1) +   \
 117                                          ED_GADGET_TEXT_DISTANCE)
 118 #define ED_ELEMENT_SETTINGS_XSTART      (ED_ELEMENT_SETTINGS_TABS_X +   \
 119                                          ED_SETTINGS_TABS_XOFFSET)
 120 #define ED_ELEMENT_SETTINGS_YSTART      (ED_ELEMENT_SETTINGS_TABS_Y +   \
 121                                          ED_TABBUTTON_YSIZE +           \
 122                                          ED_GADGET_TINY_DISTANCE +      \
 123                                          ED_TAB_BAR_HEIGHT +            \
 124                                          ED_SETTINGS_TABS_YOFFSET)
 125
 126 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 127                                          ED_GADGET_TEXT_DISTANCE)
 128 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 129                                          ED_GADGET_LINE_DISTANCE)
 130
 131 #define ED_POS_LEVEL_SETTINGS_RANGE     (10000)
 132 #define ED_POS_LEVEL_SETTINGS_FIRST     (1 * ED_POS_LEVEL_SETTINGS_RANGE)
 133 #define ED_POS_LEVEL_SETTINGS_LAST      (2 * ED_POS_LEVEL_SETTINGS_RANGE - 1)
 134 #define ED_POS_ELEMENT_SETTINGS_FIRST   (2 * ED_POS_LEVEL_SETTINGS_RANGE)
 135 #define ED_POS_ELEMENT_SETTINGS_LAST    (3 * ED_POS_LEVEL_SETTINGS_RANGE - 1)
 136
 137 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 138 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 139
 140 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 141 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 142
 143 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 144                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 145 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 146                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 147
 148 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 149 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 150
 151 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 152                                          (n) * ED_SETTINGS_XOFFSET)
 153 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 154                                          (n) * ED_SETTINGS_YOFFSET)
 155
 156 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 157                                          (n) * ED_SETTINGS_XOFFSET)
 158 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 159                                          (n) * ED_SETTINGS_YOFFSET)
 160
 161 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 162   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 163 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 164   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 165
 166 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 167   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 168 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 169   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 170
 171 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_SETTINGS(n) ?     \
 172                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 173                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 174                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 175 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_SETTINGS(n) ?     \
 176                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 177                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 178                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 179
 180 #define ED_TAB_SETTINGS_X(n)            (IS_POS_LEVEL_SETTINGS(n) ?     \
 181                                          ED_LEVEL_SETTINGS_TABS_X :     \
 182                                          ED_ELEMENT_SETTINGS_TABS_X)
 183 #define ED_TAB_SETTINGS_Y(n)            (IS_POS_LEVEL_SETTINGS(n) ?     \
 184                                          ED_LEVEL_SETTINGS_TABS_Y :     \
 185                                          ED_ELEMENT_SETTINGS_TABS_Y)
 186
 187 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 188                                          ED_DRAWINGAREA_TILE_SIZE)
 189 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 190                                          ED_DRAWINGAREA_TILE_SIZE)
 191
 192 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 193                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 194 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 195                                          (ED_CHECKBUTTON_YSIZE -        \
 196                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 197
 198 #define ED_AREA_XOFFSET_2(n)      (0)
 199 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 200                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 201
 202 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 203                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 204                                     ED_AREA_XOFFSET_1((i).x) -          \
 205                                     ED_AREA_XOFFSET_2((i).area_xsize))
 206 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 207                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 208                                     ED_AREA_YOFFSET_1((i).y) -          \
 209                                     ED_AREA_YOFFSET_2((i).area_ysize))
 210
 211 /* values for element content drawing areas */
 212 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 213 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 214 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 215 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 216
 217 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 218 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 219 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 220 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 221
 222 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 223 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 224 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 225 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 226
 227 /* element content */
 228 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 229 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 230
 231 /* yamyam content */
 232 #define ED_XPOS_YAM                     0
 233 #define ED_YPOS_YAM                     5
 234 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 235 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 236 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 237 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 238 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 239                                          ED_SETTINGS_XOFF(n))
 240 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 241                                          ED_SETTINGS_YOFF(n) +          \
 242                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 243                                          ED_AREA_YOFFSET_2(3))
 244
 245 /* magic ball content */
 246 #define ED_XPOS_BALL                    0
 247 #define ED_YPOS_BALL                    6
 248 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 249 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 250 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 251 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 252 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 253                                          ED_SETTINGS_XOFF(n))
 254 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 255                                          ED_SETTINGS_YOFF(n) +          \
 256                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 257                                          ED_AREA_YOFFSET_2(3))
 258
 259 /* values for scrolling gadgets for drawing area */
 260 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 261 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 262
 263 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 264 #define ED_SCROLL_UP_YPOS               (0)
 265 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 266 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 267 #define ED_SCROLL_LEFT_XPOS             (0)
 268 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 269 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 270 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 271 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 272                                          ED_SCROLLBUTTON_XSIZE)
 273 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 274 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 275 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 276 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 277 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 278                                          ED_SCROLLBUTTON_YSIZE)
 279 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 280 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 281
 282 /* values for scrolling gadgets for element list */
 283 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 284 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 285
 286 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 287                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 288                                          ED_ELEMENTLIST_XSIZE)
 289 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 290 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 291 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 292                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 293                                          ED_ELEMENTLIST_YSIZE -         \
 294                                          ED_SCROLLBUTTON2_YSIZE)
 295 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 296 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 297                                          ED_SCROLLBUTTON2_YSIZE)
 298 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 299 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 300                                          ED_ELEMENTLIST_YSIZE -         \
 301                                          2 * ED_SCROLLBUTTON2_YSIZE)
 302
 303 /* values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText() */
 304 #define INFOTEXT_FONT           FONT_TEXT_2
 305 #define INFOTEXT_XSIZE          SXSIZE
 306 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 307 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 308 #define INFOTEXT_XPOS           SX
 309 #define INFOTEXT_YPOS           (SY + SYSIZE - INFOTEXT_YSIZE)
 310
 311
 312 /*
 313   -----------------------------------------------------------------------------
 314   editor gadget definitions
 315   -----------------------------------------------------------------------------
 316 */
 317
 318 /* drawing toolbox buttons */
 319 #define GADGET_ID_NONE                  -1
 320 #define GADGET_ID_TOOLBOX_FIRST         0
 321
 322 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 323 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 324 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 325 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 326 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 327 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 328 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 329 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 330 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 331 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 332 #define GADGET_ID_ZOOM                  (GADGET_ID_TOOLBOX_FIRST + 10)
 333 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 334 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 335 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 336 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 337 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 338
 339 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 340 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 341 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 342 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 343 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 344 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 345
 346 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 347 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 348 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 349 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 350 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 351
 352 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 27)
 353 #define GADGET_ID_ELEMENT_LEFT          (GADGET_ID_TOOLBOX_FIRST + 28)
 354 #define GADGET_ID_ELEMENT_MIDDLE        (GADGET_ID_TOOLBOX_FIRST + 29)
 355 #define GADGET_ID_ELEMENT_RIGHT         (GADGET_ID_TOOLBOX_FIRST + 30)
 356 #define GADGET_ID_PALETTE               (GADGET_ID_TOOLBOX_FIRST + 31)
 357
 358 /* counter gadget identifiers */
 359 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 32)
 360
 361 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 362 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 363 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 364 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 365 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 366 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 367 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 368 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 369 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 370 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 371 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 372 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 373 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 374 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 375 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 376 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 377 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 378 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 379 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 380 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 381 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 382 #define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
 383 #define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
 384 #define GADGET_ID_LEVEL_RANDOM_SEED_UP  (GADGET_ID_COUNTER_FIRST + 23)
 385 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 24)
 386 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 25)
 387 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 26)
 388 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 389 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 390 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 29)
 391 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 392 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 393 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 32)
 394 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 395 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 396 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 35)
 397 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 398 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 399 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 38)
 400 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 39)
 401 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 40)
 402 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 41)
 403 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 42)
 404 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 43)
 405 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 44)
 406 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 407 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 408 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 47)
 409 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 410 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 411 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 412 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 413 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 414 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 415 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 54)
 416 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 55)
 417 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 56)
 418 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 419 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 420 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 59)
 421 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 60)
 422 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 61)
 423 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 62)
 424 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 425 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 426 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 65)
 427 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 66)
 428 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 67)
 429 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 68)
 430 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 431 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 432 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 71)
 433 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 434 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 435 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 74)
 436 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 437 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 438 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 77)
 439 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 440 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 441 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 80)
 442 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 443 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 444 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 83)
 445 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 84)
 446 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 85)
 447 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 86)
 448 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 87)
 449 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 88)
 450 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 89)
 451 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 90)
 452 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 91)
 453 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 92)
 454 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 455 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 456 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 95)
 457 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 96)
 458 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 97)
 459 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 98)
 460 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 99)
 461 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 100)
 462 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 101)
 463
 464 /* drawing area identifiers */
 465 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 102)
 466
 467 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 468 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 469 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 470 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 471 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 472 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 473 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 474 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 475 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 476 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 477 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 478 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 479 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 480 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 481 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 482 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 483 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 484 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 485 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 486 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 487 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 488 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 489 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 490 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 491 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 492 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 493 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 494 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 495 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 496 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 497 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 498 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 499 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 500
 501 /* text input identifiers */
 502 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 503
 504 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 505 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 506 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 507
 508 /* text area identifiers */
 509 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 510
 511 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 512
 513 /* selectbox identifiers */
 514 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 515
 516 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 517 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 518 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 2)
 519 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 3)
 520 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 4)
 521 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 5)
 522 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 6)
 523 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 7)
 524 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 8)
 525 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 9)
 526 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 10)
 527 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 11)
 528 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 12)
 529 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 13)
 530 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 14)
 531 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 15)
 532 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 16)
 533 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 17)
 534 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 18)
 535 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 19)
 536 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 20)
 537 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 21)
 538 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 22)
 539 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 23)
 540 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 24)
 541 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 25)
 542 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 26)
 543 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 27)
 544 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 28)
 545
 546 /* textbutton identifiers */
 547 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 29)
 548
 549 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 550 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 1)
 551 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 2)
 552 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 3)
 553 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 4)
 554 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 555 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 6)
 556 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 7)
 557 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 8)
 558 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 9)
 559
 560 /* graphicbutton identifiers */
 561 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 10)
 562
 563 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 564 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 565 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 566 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 567
 568 /* gadgets for scrolling of drawing area */
 569 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 570
 571 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 572 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 573 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 574 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 575 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 576 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 577
 578 /* gadgets for scrolling element list */
 579 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 580
 581 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 582 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 583 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 584
 585 /* checkbuttons/radiobuttons for level/element properties */
 586 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 587
 588 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 589 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 590 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 591 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 3)
 592 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 4)
 593 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 5)
 594 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 6)
 595 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 7)
 596 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 597 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 9)
 598 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 599 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 11)
 600 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 12)
 601 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 13)
 602 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 603 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 15)
 604 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 16)
 605 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 606 #define GADGET_ID_LAZY_RELOCATION       (GADGET_ID_CHECKBUTTON_FIRST + 18)
 607 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 19)
 608 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 20)
 609 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 21)
 610 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 22)
 611 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 23)
 612 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 24)
 613 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 25)
 614 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 26)
 615 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 27)
 616 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 617 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 29)
 618 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 30)
 619 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 31)
 620 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 32)
 621 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 33)
 622 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 34)
 623 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 35)
 624 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 36)
 625 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 37)
 626 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 38)
 627 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 39)
 628 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 40)
 629 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 41)
 630 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 42)
 631 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 43)
 632 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 44)
 633 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 45)
 634 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 46)
 635 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 47)
 636 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 48)
 637 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 49)
 638 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 50)
 639 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 51)
 640 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 52)
 641 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 53)
 642 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 54)
 643
 644 /* gadgets for buttons in element list */
 645 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 55)
 646 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 647                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 648
 649 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 650
 651 /* radio button numbers */
 652 #define RADIO_NR_NONE                   0
 653 #define RADIO_NR_DRAWING_TOOLBOX        1
 654 #define RADIO_NR_RANDOM_ELEMENTS        2
 655
 656 /* values for counter gadgets */
 657 #define ED_COUNTER_ID_SELECT_LEVEL      0
 658 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 659 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 660 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 661 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 662 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 663 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 664 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 665 #define ED_COUNTER_ID_ELEMENT_VALUE1    8
 666 #define ED_COUNTER_ID_ELEMENT_VALUE2    9
 667 #define ED_COUNTER_ID_ELEMENT_VALUE3    10
 668 #define ED_COUNTER_ID_ELEMENT_VALUE4    11
 669 #define ED_COUNTER_ID_YAMYAM_CONTENT    12
 670 #define ED_COUNTER_ID_BALL_CONTENT      13
 671 #define ED_COUNTER_ID_ANDROID_CONTENT   14
 672 #define ED_COUNTER_ID_ENVELOPE_XSIZE    15
 673 #define ED_COUNTER_ID_ENVELOPE_YSIZE    16
 674 #define ED_COUNTER_ID_INVENTORY_SIZE    17
 675 #define ED_COUNTER_ID_CUSTOM_SCORE      18
 676 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   19
 677 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  20
 678 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  21
 679 #define ED_COUNTER_ID_PUSH_DELAY_FIX    22
 680 #define ED_COUNTER_ID_PUSH_DELAY_RND    23
 681 #define ED_COUNTER_ID_DROP_DELAY_FIX    24
 682 #define ED_COUNTER_ID_DROP_DELAY_RND    25
 683 #define ED_COUNTER_ID_MOVE_DELAY_FIX    26
 684 #define ED_COUNTER_ID_MOVE_DELAY_RND    27
 685 #define ED_COUNTER_ID_EXPLOSION_DELAY   28
 686 #define ED_COUNTER_ID_IGNITION_DELAY    29
 687 #define ED_COUNTER_ID_GROUP_CONTENT     30
 688 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  31
 689 #define ED_COUNTER_ID_CHANGE_DELAY_RND  32
 690 #define ED_COUNTER_ID_CHANGE_CONT_RND   33
 691
 692 #define ED_NUM_COUNTERBUTTONS           34
 693
 694 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 695 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 696 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 697 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 698
 699 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 700 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 701 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 702 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 703 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 704 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 705
 706 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 707 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 708
 709 /* values for scrollbutton gadgets */
 710 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 711 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 712 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 713 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 714 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 715 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 716
 717 #define ED_NUM_SCROLLBUTTONS            6
 718
 719 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 720 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 721
 722 /* values for scrollbar gadgets */
 723 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 724 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 725 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 726
 727 #define ED_NUM_SCROLLBARS               3
 728
 729 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 730 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 731
 732 /* values for text input gadgets */
 733 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 734 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 735 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 736
 737 #define ED_NUM_TEXTINPUT                3
 738
 739 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 740 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 741
 742 /* values for text area gadgets */
 743 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 744
 745 #define ED_NUM_TEXTAREAS                        1
 746
 747 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 748 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 749
 750 /* values for selectbox gadgets */
 751 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 752 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 753 #define ED_SELECTBOX_ID_WIND_DIRECTION          2
 754 #define ED_SELECTBOX_ID_PLAYER_SPEED            3
 755 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      4
 756 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     5
 757 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 6
 758 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 7
 759 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   8
 760 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     9
 761 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   10
 762 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    11
 763 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  12
 764 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    13
 765 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    14
 766 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       15
 767 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   16
 768 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       17
 769 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    18
 770 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     19
 771 #define ED_SELECTBOX_ID_CHANGE_SIDE             20
 772 #define ED_SELECTBOX_ID_CHANGE_PLAYER           21
 773 #define ED_SELECTBOX_ID_CHANGE_PAGE             22
 774 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     23
 775 #define ED_SELECTBOX_ID_ACTION_TYPE             24
 776 #define ED_SELECTBOX_ID_ACTION_MODE             25
 777 #define ED_SELECTBOX_ID_ACTION_ARG              26
 778 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      27
 779 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       28
 780
 781 #define ED_NUM_SELECTBOX                        29
 782
 783 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 784 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_WIND_DIRECTION
 785
 786 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 787 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 788 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 789 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 790 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 791 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 792
 793 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 794 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 795
 796 /* values for textbutton gadgets */
 797 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 798 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       1
 799 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        2
 800 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      3
 801 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    4
 802 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    5
 803 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      6
 804 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       7
 805 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        8
 806 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        9
 807
 808 #define ED_NUM_TEXTBUTTONS                      10
 809
 810 #define ED_TEXTBUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 811 #define ED_TEXTBUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 812
 813 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 814 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 815
 816 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 817 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 818
 819 /* values for graphicbutton gadgets */
 820 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 821 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 822 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 823 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 824
 825 #define ED_NUM_GRAPHICBUTTONS                   4
 826
 827 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 828 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 829
 830 /* values for checkbutton gadgets */
 831 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     0
 832 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         1
 833 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      2
 834 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   3
 835 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        4
 836 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      5
 837 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   6
 838 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    7
 839 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    8
 840 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     9
 841 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   10
 842 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      11
 843 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      12
 844 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   13
 845 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    14
 846 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    15
 847 #define ED_CHECKBUTTON_ID_LAZY_RELOCATION       16
 848 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     17
 849 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   18
 850 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 19
 851 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       20
 852 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 21
 853 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  22
 854 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    23
 855 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    24
 856 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     25
 857 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     26
 858 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     27
 859 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    28
 860 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   29
 861 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     30
 862 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 31
 863 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 32
 864 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 33
 865 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 34
 866 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       35
 867 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       36
 868 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      37
 869 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       38
 870 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         39
 871 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    40
 872 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   41
 873 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  42
 874 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 43
 875 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     44
 876 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          45
 877 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  46
 878 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   47
 879 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  48
 880 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    49
 881 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  50
 882 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     51
 883 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     52
 884
 885 #define ED_NUM_CHECKBUTTONS                     53
 886
 887 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 888 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 889
 890 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 891 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 892 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 893 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 894 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 895 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 896
 897 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 898 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 899
 900 /* values for radiobutton gadgets */
 901 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 902 #define ED_RADIOBUTTON_ID_QUANTITY      1
 903
 904 #define ED_NUM_RADIOBUTTONS             2
 905
 906 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 907 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 908
 909 /* values for drawing area gadgets */
 910 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 911 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 912 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 913 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
 914 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
 915 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
 916 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
 917 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
 918 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
 919 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
 920 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
 921 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
 922 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
 923 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
 924 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
 925 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
 926 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
 927 #define ED_DRAWING_ID_ANDROID_CONTENT           17
 928 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
 929 #define ED_DRAWING_ID_START_ELEMENT             19
 930 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
 931 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
 932 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
 933 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
 934 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
 935 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
 936 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
 937 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
 938 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
 939 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
 940 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
 941 #define ED_DRAWING_ID_GROUP_CONTENT             31
 942 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
 943
 944 #define ED_NUM_DRAWING_AREAS                    33
 945
 946 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
 947 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
 948
 949
 950 /*
 951   -----------------------------------------------------------------------------
 952   some internally used definitions
 953   -----------------------------------------------------------------------------
 954 */
 955
 956 /* values for CopyLevelToUndoBuffer() */
 957 #define UNDO_IMMEDIATE                  0
 958 #define UNDO_ACCUMULATE                 1
 959
 960 /* values for scrollbars */
 961 #define ED_SCROLL_NO                    0
 962 #define ED_SCROLL_LEFT                  1
 963 #define ED_SCROLL_RIGHT                 2
 964 #define ED_SCROLL_UP                    4
 965 #define ED_SCROLL_DOWN                  8
 966
 967 /* screens in the level editor */
 968 #define ED_MODE_DRAWING                 0
 969 #define ED_MODE_INFO                    1
 970 #define ED_MODE_PROPERTIES              2
 971 #define ED_MODE_PALETTE                 3
 972
 973 /* sub-screens in the global settings section */
 974 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 975 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 976
 977 /* sub-screens in the element properties section */
 978 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 979 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 980 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
 981 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
 982 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 983
 984 /* how many steps can be cancelled */
 985 #define NUM_UNDO_STEPS                  (64 + 1)
 986
 987 /* values for elements with score for certain actions */
 988 #define MIN_SCORE                       0
 989 #define MAX_SCORE                       999
 990
 991 /* values for elements with count for collecting */
 992 #define MIN_COLLECT_COUNT               0
 993 #define MAX_COLLECT_COUNT               999
 994
 995 /* values for random placement */
 996 #define RANDOM_USE_PERCENTAGE           0
 997 #define RANDOM_USE_QUANTITY             1
 998
 999 /* default value for element tile size in drawing area */
1000 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1001
1002
1003 /*
1004   -----------------------------------------------------------------------------
1005   some internally used data structure definitions
1006   -----------------------------------------------------------------------------
1007 */
1008
1009 static struct
1010 {
1011   int graphic;
1012   int gadget_id;
1013   struct XYTileSize *pos;
1014   int gadget_type;
1015   char *infotext;
1016   char shortcut;
1017 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1018 {
1019   /* note: some additional characters are already reserved for "cheat mode"
1020      shortcuts (":XYZ" style) -- for details, see "events.c" */
1021
1022   /* ---------- toolbox control buttons ------------------------------------ */
1023
1024   {
1025     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1026     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1027     "draw single items",                        's'
1028   },
1029   {
1030     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1031     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1032     "draw connected items",                     'd'
1033   },
1034   {
1035     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1036     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1037     "draw lines",                               'l'
1038   },
1039   {
1040     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1041     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1042     "draw arcs",                                'a'
1043   },
1044   {
1045     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1046     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1047     "draw outline rectangles",                  'r'
1048   },
1049   {
1050     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1051     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1052     "draw filled rectangles",                   'R'
1053   },
1054   {
1055     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1056     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1057     "wrap (rotate) level up",                   0
1058   },
1059   {
1060     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1061     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1062     "enter text elements",                      't'
1063   },
1064   {
1065     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1066     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1067     "flood fill",                               'f'
1068   },
1069   {
1070     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1071     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1072     "wrap (rotate) level left",                 0
1073   },
1074   {
1075     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1076     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1077     "zoom level tile size",                     '+'
1078   },
1079   {
1080     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1081     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1082     "wrap (rotate) level right",                0
1083   },
1084   {
1085     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1086     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1087     "random element placement",                 0
1088   },
1089   {
1090     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1091     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1092     "grab brush",                               'b'
1093   },
1094   {
1095     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1096     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1097     "wrap (rotate) level down",                 0
1098   },
1099   {
1100     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1101     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1102     "pick drawing element",                     ','
1103   },
1104
1105   /* ---------- level control buttons -------------------------------------- */
1106
1107   {
1108     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1109     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1110     "undo/redo last operation",                 'u'
1111   },
1112   {
1113     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1114     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1115     "properties of level",                      'I'
1116   },
1117   {
1118     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1119     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1120     "save level",                               'S'
1121   },
1122   {
1123     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1124     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1125     "clear level",                              'C'
1126   },
1127   {
1128     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1129     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1130     "test level",                               'T'
1131   },
1132   {
1133     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1134     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1135     "exit level editor",                        'E'
1136   },
1137
1138   /* ---------- CE and GE control buttons ---------------------------------- */
1139
1140   {
1141     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1142     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1143     "copy settings from other element",         0
1144   },
1145   {
1146     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1147     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1148     "copy settings to other element",           0
1149   },
1150   {
1151     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1152     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1153     "exchange element with other element",      0
1154   },
1155   {
1156     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1157     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1158     "copy settings from this element",          0
1159   },
1160   {
1161     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1162     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1163     "paste settings to this element",           0
1164   },
1165
1166   /* ---------- palette control buttons ------------------------------------ */
1167
1168   {
1169     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1170     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1171     "properties of drawing element",            'p'
1172   },
1173   {
1174     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1175     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1176     "properties of drawing element 1",          '1'
1177   },
1178   {
1179     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1180     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1181     "properties of drawing element 2",          '2'
1182   },
1183   {
1184     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1185     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1186     "properties of drawing element 3",          '3'
1187   },
1188   {
1189     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1190     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1191     "show list of elements",                    'e'
1192   }
1193 };
1194
1195 static int random_placement_value = 10;
1196 static int random_placement_method = RANDOM_USE_QUANTITY;
1197 static int random_placement_background_element = EL_SAND;
1198 static boolean random_placement_background_restricted = FALSE;
1199 static boolean stick_element_properties_window = FALSE;
1200 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1201 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1202 static struct ElementChangeInfo custom_element_change;
1203 static struct ElementGroupInfo group_element_info;
1204 static struct ElementInfo custom_element;
1205
1206 static struct
1207 {
1208   int x, y;
1209   int min_value, max_value;
1210   int gadget_id_down, gadget_id_up;
1211   int gadget_id_text;
1212   int gadget_id_align;
1213   int *value;
1214   char *text_above, *text_left, *text_right;
1215 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1216 {
1217   /* ---------- current level number --------------------------------------- */
1218
1219   {
1220     -1, -1,     /* these values are not constant, but can change at runtime */
1221     1,                                  100,
1222     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1223     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1224     &level_nr,
1225     NULL,                               NULL, NULL
1226   },
1227
1228   /* ---------- level and editor settings ---------------------------------- */
1229
1230   {
1231     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1232     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1233     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1234     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1235     &level.fieldx,
1236     "playfield size:",                  NULL, "width",
1237   },
1238   {
1239     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1240     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1241     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1242     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1243     &level.fieldy,
1244     NULL,                               " ", "height",
1245   },
1246   {
1247     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1248     0,                                  999,
1249     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1250     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1251     &level.gems_needed,
1252     NULL,                               "number of gems to collect:", NULL
1253   },
1254   {
1255     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
1256     0,                                  9999,
1257     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1258     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1259     &level.time,
1260     "time or step limit to solve level:", NULL, NULL
1261   },
1262   {
1263     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
1264     0,                                  999,
1265     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1266     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1267     &level.score[SC_TIME_BONUS],
1268     "score for each second/step left:", NULL, NULL
1269   },
1270   {
1271     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1272     0,                                  9999,
1273     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1274     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1275     &level.random_seed,
1276     NULL,                               "random seed:", "(0 => random)"
1277   },
1278   {
1279     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1280     1,                                  100,
1281     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1282     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1283     &random_placement_value,
1284     "random element placement:",        NULL, "in"
1285   },
1286
1287   /* ---------- element settings: configure (various elements) ------------- */
1288
1289   {
1290     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1291     MIN_SCORE,                          MAX_SCORE,
1292     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1293     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1294     NULL,                               /* will be set when used */
1295     NULL,                               NULL, NULL
1296   },
1297   {
1298     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1299     MIN_SCORE,                          MAX_SCORE,
1300     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1301     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1302     NULL,                               /* will be set when used */
1303     NULL,                               NULL, NULL
1304   },
1305   {
1306     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1307     MIN_SCORE,                          MAX_SCORE,
1308     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1309     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1310     NULL,                               /* will be set when used */
1311     NULL,                               NULL, NULL
1312   },
1313   {
1314     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1315     MIN_SCORE,                          MAX_SCORE,
1316     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1317     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1318     NULL,                               /* will be set when used */
1319     NULL,                               NULL, NULL
1320   },
1321   {
1322     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1323     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1324     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1325     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1326     &level.num_yamyam_contents,
1327     NULL,                               NULL, "number of content areas"
1328   },
1329   {
1330     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1331     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1332     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1333     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1334     &level.num_ball_contents,
1335     NULL,                               NULL, "number of content areas"
1336   },
1337   {
1338     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1339     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1340     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1341     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1342     &level.num_android_clone_elements,
1343     NULL,                               NULL, "number of clonable elements"
1344   },
1345   {
1346     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1347     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1348     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1349     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1350     NULL,                               /* will be set when used */
1351     NULL,                               NULL, "width",
1352   },
1353   {
1354     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1355     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1356     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1357     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1358     NULL,                               /* will be set when used */
1359     NULL,                               " ", "height",
1360   },
1361   {
1362     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1363     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1364     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1365     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1366     &level.initial_inventory_size[0],
1367     NULL,                               NULL, "number of inventory elements"
1368   },
1369
1370   /* ---------- element settings: configure 1 (custom elements) ------------ */
1371
1372   {
1373     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1374     MIN_SCORE,                          MAX_SCORE,
1375     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1376     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1377     &custom_element.collect_score_initial,
1378     NULL,                               "CE score", " "
1379   },
1380   {
1381     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1382     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1383     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1384     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1385     &custom_element.collect_count_initial,
1386     NULL,                               "CE count", NULL
1387   },
1388   {
1389     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1390     0,                                  9999,
1391     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1392     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1393     &custom_element.ce_value_fixed_initial,
1394     NULL,                               "CE value", NULL
1395   },
1396   {
1397     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1398     0,                                  9999,
1399     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1400     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1401     &custom_element.ce_value_random_initial,
1402     NULL,                               "+random", NULL
1403   },
1404   {
1405     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1406     0,                                  999,
1407     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1408     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1409     &custom_element.push_delay_fixed,
1410     NULL,                               "push delay", NULL
1411   },
1412   {
1413     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1414     0,                                  999,
1415     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1416     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1417     &custom_element.push_delay_random,
1418     NULL,                               "+random", NULL
1419   },
1420   {
1421     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1422     0,                                  999,
1423     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1424     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1425     &custom_element.drop_delay_fixed,
1426     NULL,                               "drop delay", NULL
1427   },
1428   {
1429     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1430     0,                                  999,
1431     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1432     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1433     &custom_element.drop_delay_random,
1434     NULL,                               "+random", NULL
1435   },
1436
1437   /* ---------- element settings: configure 2 (custom elements) ------------ */
1438
1439   {
1440     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1441     0,                                  999,
1442     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1443     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1444     &custom_element.move_delay_fixed,
1445     NULL,                               "move delay", NULL
1446   },
1447   {
1448     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1449     0,                                  999,
1450     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1451     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1452     &custom_element.move_delay_random,
1453     NULL,                               "+random", NULL
1454   },
1455   {
1456     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1457     0,                                  999,
1458     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1459     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1460     &custom_element.explosion_delay,
1461     NULL,                               "explosion delay", NULL
1462   },
1463   {
1464     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1465     0,                                  999,
1466     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1467     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1468     &custom_element.ignition_delay,
1469     NULL,                               "ignition delay", "(by fire)"
1470   },
1471
1472   /* ---------- element settings: configure (group elements) --------------- */
1473
1474   {
1475     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1476     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1477     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1478     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1479     &group_element_info.num_elements,
1480     NULL,                               NULL, "number of elements in group"
1481   },
1482
1483   /* ---------- element settings: advanced (custom elements) --------------- */
1484
1485   {
1486     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1487     0,                                  999,
1488     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1489     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1490     &custom_element_change.delay_fixed,
1491     NULL,                               "CE delay", NULL,
1492   },
1493   {
1494     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1495     0,                                  999,
1496     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1497     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1498     &custom_element_change.delay_random,
1499     NULL,                               "+random", NULL
1500   },
1501   {
1502     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1503     0,                                  100,
1504     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1505     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1506     &custom_element_change.random_percentage,
1507     NULL,                               "use random replace:", "%"
1508   },
1509 };
1510
1511 static struct
1512 {
1513   int x, y;
1514   int gadget_id;
1515   int size;
1516   char *value;
1517   char *text_above, *infotext;
1518 } textinput_info[ED_NUM_TEXTINPUT] =
1519 {
1520   {
1521     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1522     GADGET_ID_LEVEL_NAME,
1523     MAX_LEVEL_NAME_LEN,
1524     level.name,
1525     "Title:", "Title"
1526   },
1527   {
1528     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1529     GADGET_ID_LEVEL_AUTHOR,
1530     MAX_LEVEL_AUTHOR_LEN,
1531     level.author,
1532     "Author:", "Author"
1533   },
1534   {
1535     -1, -1,     /* these values are not constant, but can change at runtime */
1536     GADGET_ID_ELEMENT_NAME,
1537     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1538     custom_element.description,
1539     NULL, "Element name"
1540   }
1541 };
1542
1543 static struct
1544 {
1545   int x, y;
1546   int gadget_id;
1547   int xsize, ysize;
1548   char *value;
1549   char *text_above, *infotext;
1550 } textarea_info[ED_NUM_TEXTAREAS] =
1551 {
1552   {
1553     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1554     GADGET_ID_ENVELOPE_INFO,
1555     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1556     NULL,
1557     "Envelope Content:", "Envelope Content"
1558   }
1559 };
1560
1561 static struct ValueTextInfo options_time_or_steps[] =
1562 {
1563   { 0,                          "seconds"                       },
1564   { 1,                          "steps"                         },
1565
1566   { -1,                         NULL                            }
1567 };
1568
1569 static struct ValueTextInfo options_game_engine_type[] =
1570 {
1571   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1572   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1573   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1574
1575   { -1,                         NULL                            }
1576 };
1577
1578 static struct ValueTextInfo options_wind_direction[] =
1579 {
1580   { MV_START_NONE,              "none"                          },
1581   { MV_START_LEFT,              "left"                          },
1582   { MV_START_RIGHT,             "right"                         },
1583   { MV_START_UP,                "up"                            },
1584   { MV_START_DOWN,              "down"                          },
1585
1586   { -1,                         NULL                            }
1587 };
1588
1589 static struct ValueTextInfo options_player_speed[] =
1590 {
1591   { 0,                          "frozen"                        },
1592   { 1,                          "very slow"                     },
1593   { 2,                          "slow"                          },
1594   { 4,                          "normal"                        },
1595   { 8,                          "fast"                          },
1596   { 16,                         "very fast"                     },
1597   { 32,                         "ultrafast"                     },
1598
1599   { -1,                         NULL                            }
1600 };
1601
1602 static struct ValueTextInfo options_access_type[] =
1603 {
1604   { EP_WALKABLE,                "walkable"                      },
1605   { EP_PASSABLE,                "passable"                      },
1606
1607   { -1,                         NULL                            }
1608 };
1609
1610 static struct ValueTextInfo options_access_layer[] =
1611 {
1612   { EP_ACCESSIBLE_OVER,         "over"                          },
1613   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1614   { EP_ACCESSIBLE_UNDER,        "under"                         },
1615
1616   { -1,                         NULL                            }
1617 };
1618
1619 static struct ValueTextInfo options_access_protected[] =
1620 {
1621   { 0,                          "unprotected"                   },
1622   { 1,                          "protected"                     },
1623
1624   { -1,                         NULL                            }
1625 };
1626
1627 static struct ValueTextInfo options_access_direction[] =
1628 {
1629   { MV_NO_DIRECTION,            "no direction"                  },
1630   { MV_LEFT,                    "left"                          },
1631   { MV_RIGHT,                   "right"                         },
1632   { MV_UP,                      "up"                            },
1633   { MV_DOWN,                    "down"                          },
1634   { MV_LEFT  | MV_UP,           "left + up"                     },
1635   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1636   { MV_RIGHT | MV_UP,           "right + up"                    },
1637   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1638   { MV_HORIZONTAL,              "horizontal"                    },
1639   { MV_VERTICAL,                "vertical"                      },
1640   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1641   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1642   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1643   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1644   { MV_ALL_DIRECTIONS,          "all directions"                },
1645
1646   { -1,                         NULL                            }
1647 };
1648
1649 static struct ValueTextInfo options_walk_to_action[] =
1650 {
1651   { EP_DIGGABLE,                "diggable"                      },
1652   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1653   { EP_DROPPABLE,               "collectible & droppable"       },
1654   { EP_THROWABLE,               "collectible & throwable"       },
1655   { EP_PUSHABLE,                "pushable"                      },
1656
1657   { -1,                         NULL                            }
1658 };
1659
1660 static struct ValueTextInfo options_move_pattern[] =
1661 {
1662   { MV_LEFT,                    "left"                          },
1663   { MV_RIGHT,                   "right"                         },
1664   { MV_UP,                      "up"                            },
1665   { MV_DOWN,                    "down"                          },
1666   { MV_HORIZONTAL,              "horizontal"                    },
1667   { MV_VERTICAL,                "vertical"                      },
1668   { MV_ALL_DIRECTIONS,          "all directions"                },
1669   { MV_WIND_DIRECTION,          "wind direction"                },
1670   { MV_TOWARDS_PLAYER,          "towards player"                },
1671   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1672   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1673   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1674   { MV_TURNING_LEFT,            "turning left"                  },
1675   { MV_TURNING_RIGHT,           "turning right"                 },
1676   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1677   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1678   { MV_TURNING_RANDOM,          "turning random"                },
1679   { MV_MAZE_RUNNER,             "maze runner style"             },
1680   { MV_MAZE_HUNTER,             "maze hunter style"             },
1681   { MV_WHEN_PUSHED,             "when pushed"                   },
1682   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1683
1684   { -1,                         NULL                            }
1685 };
1686
1687 static struct ValueTextInfo options_move_direction[] =
1688 {
1689   { MV_START_AUTOMATIC,         "automatic"                     },
1690   { MV_START_LEFT,              "left"                          },
1691   { MV_START_RIGHT,             "right"                         },
1692   { MV_START_UP,                "up"                            },
1693   { MV_START_DOWN,              "down"                          },
1694   { MV_START_RANDOM,            "random"                        },
1695   { MV_START_PREVIOUS,          "previous"                      },
1696
1697   { -1,                         NULL                            }
1698 };
1699
1700 static struct ValueTextInfo options_move_stepsize[] =
1701 {
1702   { 0,                          "not moving"                    },
1703   { 1,                          "very slow"                     },
1704   { 2,                          "slow"                          },
1705   { 4,                          "normal"                        },
1706   { 8,                          "fast"                          },
1707   { 16,                         "very fast"                     },
1708   { 32,                         "even faster"                   },
1709
1710   { -1,                         NULL                            }
1711 };
1712
1713 static struct ValueTextInfo options_move_leave_type[] =
1714 {
1715   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1716   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1717
1718   { -1,                         NULL                            }
1719 };
1720
1721 static struct ValueTextInfo options_smash_targets[] =
1722 {
1723   { EP_CAN_SMASH_PLAYER,        "player"                        },
1724 #if 0
1725   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1726 #endif
1727   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1728
1729   { -1,                         NULL                            }
1730 };
1731
1732 static struct ValueTextInfo options_slippery_type[] =
1733 {
1734   { SLIPPERY_ANY_RANDOM,        "random"                        },
1735   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1736   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1737   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1738   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1739
1740   { -1,                         NULL                            }
1741 };
1742
1743 static struct ValueTextInfo options_deadliness[] =
1744 {
1745   { EP_DONT_RUN_INTO,           "running into"                  },
1746   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1747   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1748   { EP_DONT_TOUCH,              "touching"                      },
1749
1750   { -1,                         NULL                            }
1751 };
1752
1753 static struct ValueTextInfo options_explosion_type[] =
1754 {
1755   { EXPLODES_3X3,               "3x3"                           },
1756   { EXPLODES_CROSS,             "3+3"                           },
1757   { EXPLODES_1X1,               "1x1"                           },
1758
1759   { -1,                         NULL                            }
1760 };
1761
1762 static struct ValueTextInfo options_time_units[] =
1763 {
1764   { 1,                          "frames"                        },
1765   { FRAMES_PER_SECOND,          "seconds"                       },
1766
1767   { -1,                         NULL                            }
1768 };
1769
1770 static struct ValueTextInfo options_change_direct_action[] =
1771 {
1772   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1773   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1774   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1775   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1776   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1777   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1778   { CE_LEFT_BY_PLAYER,          "left by player"                },
1779   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1780   { CE_SWITCHED,                "switched"                      },
1781   { CE_HITTING_SOMETHING,       "hitting something"             },
1782   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1783 #if 0
1784   { CE_BLOCKED,                 "blocked"                       },
1785 #endif
1786   { CE_IMPACT,                  "impact (on something)"         },
1787   { CE_SMASHED,                 "smashed (from above)"          },
1788 #if 0
1789   { CE_VALUE_CHANGES,           "CE value changes"              },
1790   { CE_SCORE_CHANGES,           "CE score changes"              },
1791 #endif
1792   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1793   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1794
1795   { -1,                         NULL                            }
1796 };
1797
1798 static struct ValueTextInfo options_change_other_action[] =
1799 {
1800   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1801   { CE_PLAYER_PRESSES_X,        "player presses"                },
1802   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1803   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1804   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1805   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1806   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1807   { CE_PLAYER_DIGS_X,           "player digs"                   },
1808   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1809   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1810   { CE_TOUCHING_X,              "touching"                      },
1811   { CE_HITTING_X,               "hitting"                       },
1812   { CE_DIGGING_X,               "digging"                       },
1813   { CE_HIT_BY_X,                "hit by"                        },
1814   { CE_SWITCH_OF_X,             "switch of"                     },
1815   { CE_CHANGE_OF_X,             "change by page of"             },
1816   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1817   { CE_MOVE_OF_X,               "move of"                       },
1818   { CE_CREATION_OF_X,           "creation of"                   },
1819   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1820   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1821   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1822   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1823
1824   { -1,                         NULL                            }
1825 };
1826
1827 static struct ValueTextInfo options_change_trigger_side[] =
1828 {
1829   { CH_SIDE_LEFT,               "left"                          },
1830   { CH_SIDE_RIGHT,              "right"                         },
1831   { CH_SIDE_TOP,                "top"                           },
1832   { CH_SIDE_BOTTOM,             "bottom"                        },
1833   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1834   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1835   { CH_SIDE_ANY,                "any"                           },
1836
1837   { -1,                         NULL                            }
1838 };
1839
1840 static struct ValueTextInfo options_change_trigger_player[] =
1841 {
1842   { CH_PLAYER_1,                "1"                             },
1843   { CH_PLAYER_2,                "2"                             },
1844   { CH_PLAYER_3,                "3"                             },
1845   { CH_PLAYER_4,                "4"                             },
1846   { CH_PLAYER_ANY,              "any"                           },
1847
1848   { -1,                         NULL                            }
1849 };
1850
1851 static struct ValueTextInfo options_change_trigger_page[] =
1852 {
1853   { (1 << 0),                   "1"                             },
1854   { (1 << 1),                   "2"                             },
1855   { (1 << 2),                   "3"                             },
1856   { (1 << 3),                   "4"                             },
1857   { (1 << 4),                   "5"                             },
1858   { (1 << 5),                   "6"                             },
1859   { (1 << 6),                   "7"                             },
1860   { (1 << 7),                   "8"                             },
1861   { (1 << 8),                   "9"                             },
1862   { (1 << 9),                   "10"                            },
1863   { (1 << 10),                  "11"                            },
1864   { (1 << 11),                  "12"                            },
1865   { (1 << 12),                  "13"                            },
1866   { (1 << 13),                  "14"                            },
1867   { (1 << 14),                  "15"                            },
1868   { (1 << 15),                  "16"                            },
1869   { (1 << 16),                  "17"                            },
1870   { (1 << 17),                  "18"                            },
1871   { (1 << 18),                  "19"                            },
1872   { (1 << 19),                  "20"                            },
1873   { (1 << 20),                  "21"                            },
1874   { (1 << 21),                  "22"                            },
1875   { (1 << 22),                  "23"                            },
1876   { (1 << 23),                  "24"                            },
1877   { (1 << 24),                  "25"                            },
1878   { (1 << 25),                  "26"                            },
1879   { (1 << 26),                  "27"                            },
1880   { (1 << 27),                  "28"                            },
1881   { (1 << 28),                  "29"                            },
1882   { (1 << 29),                  "30"                            },
1883   { (1 << 30),                  "31"                            },
1884   { (1 << 31),                  "32"                            },
1885   { CH_PAGE_ANY,                "any"                           },
1886
1887   { -1,                         NULL                            }
1888 };
1889
1890 static struct ValueTextInfo options_change_replace_when[] =
1891 {
1892   { CP_WHEN_EMPTY,              "empty"                         },
1893   { CP_WHEN_WALKABLE,           "walkable"                      },
1894   { CP_WHEN_DIGGABLE,           "diggable"                      },
1895   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1896   { CP_WHEN_REMOVABLE,          "removable"                     },
1897   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1898
1899   { -1,                         NULL                            }
1900 };
1901
1902 static struct ValueTextInfo options_action_type[] =
1903 {
1904   { CA_NO_ACTION,               "no action"                     },
1905   { CA_UNDEFINED,               " "                             },
1906   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1907   { CA_RESTART_LEVEL,           "restart level"                 },
1908   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1909   { CA_SET_LEVEL_TIME,          "set time"                      },
1910   { CA_SET_LEVEL_SCORE,         "set score"                     },
1911   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1912   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1913   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1914   { CA_UNDEFINED,               " "                             },
1915   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1916   { CA_MOVE_PLAYER,             "move player"                   },
1917   { CA_EXIT_PLAYER,             "exit player"                   },
1918   { CA_KILL_PLAYER,             "kill player"                   },
1919   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1920   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1921   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1922   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1923   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1924   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1925   { CA_UNDEFINED,               " "                             },
1926   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1927   { CA_SET_CE_VALUE,            "set CE value"                  },
1928   { CA_SET_CE_SCORE,            "set CE score"                  },
1929   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1930   { CA_UNDEFINED,               " "                             },
1931   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1932   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1933
1934   { -1,                         NULL                            }
1935 };
1936
1937 static struct ValueTextInfo options_action_mode_none[] =
1938 {
1939   { CA_MODE_UNDEFINED,          " "                             },
1940
1941   { -1,                         NULL                            }
1942 };
1943
1944 static struct ValueTextInfo options_action_mode_assign[] =
1945 {
1946   { CA_MODE_SET,                "="                             },
1947
1948   { -1,                         NULL                            }
1949 };
1950
1951 static struct ValueTextInfo options_action_mode_add_remove[] =
1952 {
1953   { CA_MODE_ADD,                "+"                             },
1954   { CA_MODE_SUBTRACT,           "-"                             },
1955
1956   { -1,                         NULL                            }
1957 };
1958
1959 static struct ValueTextInfo options_action_mode_calculate[] =
1960 {
1961   { CA_MODE_SET,                "="                             },
1962   { CA_MODE_ADD,                "+"                             },
1963   { CA_MODE_SUBTRACT,           "-"                             },
1964   { CA_MODE_MULTIPLY,           "*"                             },
1965   { CA_MODE_DIVIDE,             "/"                             },
1966   { CA_MODE_MODULO,             "%"                             },
1967
1968   { -1,                         NULL                            }
1969 };
1970
1971 static struct ValueTextInfo options_action_arg_none[] =
1972 {
1973   { CA_ARG_UNDEFINED,           "         "                     },
1974
1975   { -1,                         NULL                            }
1976 };
1977
1978 static struct ValueTextInfo options_action_arg_player[] =
1979 {
1980   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
1981   { CA_ARG_PLAYER_1,            "1"                             },
1982   { CA_ARG_PLAYER_2,            "2"                             },
1983   { CA_ARG_PLAYER_3,            "3"                             },
1984   { CA_ARG_PLAYER_4,            "4"                             },
1985   { CA_ARG_PLAYER_ANY,          "any"                           },
1986   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
1987   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
1988
1989   { -1,                         NULL                            }
1990 };
1991
1992 static struct ValueTextInfo options_action_arg_number[] =
1993 {
1994   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1995   { CA_ARG_0,                   "0"                             },
1996   { CA_ARG_1,                   "1"                             },
1997   { CA_ARG_2,                   "2"                             },
1998   { CA_ARG_3,                   "3"                             },
1999   { CA_ARG_4,                   "4"                             },
2000   { CA_ARG_5,                   "5"                             },
2001   { CA_ARG_10,                  "10"                            },
2002   { CA_ARG_100,                 "100"                           },
2003   { CA_ARG_1000,                "1000"                          },
2004   { CA_ARG_UNDEFINED,           " "                             },
2005   { CA_ARG_NUMBER_MIN,          "min"                           },
2006   { CA_ARG_NUMBER_MAX,          "max"                           },
2007   { CA_ARG_UNDEFINED,           " "                             },
2008   { CA_ARG_NUMBER_RESET,        "reset"                         },
2009   { CA_ARG_UNDEFINED,           " "                             },
2010   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2011   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2012   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2013   { CA_ARG_UNDEFINED,           " "                             },
2014   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2015   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2016   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2017   { CA_ARG_UNDEFINED,           " "                             },
2018   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2019   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2020   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2021   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2022   { CA_ARG_UNDEFINED,           " "                             },
2023   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2024   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2025   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2026   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2027
2028   { -1,                         NULL                            }
2029 };
2030
2031 static struct ValueTextInfo options_action_arg_value[] =
2032 {
2033   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2034   { CA_ARG_0,                   "0"                             },
2035   { CA_ARG_1,                   "1"                             },
2036   { CA_ARG_2,                   "2"                             },
2037   { CA_ARG_3,                   "3"                             },
2038   { CA_ARG_4,                   "4"                             },
2039   { CA_ARG_5,                   "5"                             },
2040   { CA_ARG_10,                  "10"                            },
2041   { CA_ARG_100,                 "100"                           },
2042   { CA_ARG_1000,                "1000"                          },
2043   { CA_ARG_UNDEFINED,           " "                             },
2044   { CA_ARG_NUMBER_MIN,          "min"                           },
2045   { CA_ARG_NUMBER_MAX,          "max"                           },
2046   { CA_ARG_UNDEFINED,           " "                             },
2047   { CA_ARG_NUMBER_RESET,        "reset"                         },
2048   { CA_ARG_UNDEFINED,           " "                             },
2049   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2050   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2051   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2052   { CA_ARG_UNDEFINED,           " "                             },
2053   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2054   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2055   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2056   { CA_ARG_UNDEFINED,           " "                             },
2057   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2058   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2059   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2060   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2061   { CA_ARG_UNDEFINED,           " "                             },
2062   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2063   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2064   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2065   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2066   { CA_ARG_UNDEFINED,           " "                             },
2067   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2068   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2069   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2070   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2071
2072   { -1,                         NULL                            }
2073 };
2074
2075 static struct ValueTextInfo options_action_arg_envelope[] =
2076 {
2077   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2078   { CA_ARG_1,                   "1"                             },
2079   { CA_ARG_2,                   "2"                             },
2080   { CA_ARG_3,                   "3"                             },
2081   { CA_ARG_4,                   "4"                             },
2082   { CA_ARG_UNDEFINED,           " "                             },
2083   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2084   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2085   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2086   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2087
2088   { -1,                         NULL                            }
2089 };
2090
2091 static struct ValueTextInfo options_action_arg_key[] =
2092 {
2093   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2094   { CA_ARG_1,                   "1"                             },
2095   { CA_ARG_2,                   "2"                             },
2096   { CA_ARG_3,                   "3"                             },
2097   { CA_ARG_4,                   "4"                             },
2098   { CA_ARG_5,                   "5"                             },
2099   { CA_ARG_6,                   "6"                             },
2100   { CA_ARG_7,                   "7"                             },
2101   { CA_ARG_8,                   "8"                             },
2102   { CA_ARG_UNDEFINED,           " "                             },
2103   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2104   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2105   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2106   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2107
2108   { -1,                         NULL                            }
2109 };
2110
2111 static struct ValueTextInfo options_action_arg_speed[] =
2112 {
2113   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2114   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2115   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2116   { CA_ARG_SPEED_SLOW,          "slow"                          },
2117   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2118   { CA_ARG_SPEED_FAST,          "fast"                          },
2119   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2120   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2121   { CA_ARG_UNDEFINED,           " "                             },
2122   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2123   { CA_ARG_SPEED_FASTER,        "faster"                        },
2124   { CA_ARG_UNDEFINED,           " "                             },
2125   { CA_ARG_SPEED_RESET,         "reset"                         },
2126
2127   { -1,                         NULL                            }
2128 };
2129
2130 static struct ValueTextInfo options_action_arg_shield[] =
2131 {
2132   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2133   { CA_ARG_SHIELD_OFF,          "off"                           },
2134   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2135   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2136
2137   { -1,                         NULL                            }
2138 };
2139
2140 static struct ValueTextInfo options_action_arg_artwork[] =
2141 {
2142   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2143   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2144   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2145   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2146   { CA_ARG_UNDEFINED,           " "                             },
2147   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2148
2149   { -1,                         NULL                            }
2150 };
2151
2152 static struct ValueTextInfo options_action_arg_gravity[] =
2153 {
2154   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2155   { CA_ARG_GRAVITY_ON,          "on"                            },
2156   { CA_ARG_GRAVITY_OFF,         "off"                           },
2157   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2158
2159   { -1,                         NULL                            }
2160 };
2161
2162 static struct ValueTextInfo options_action_arg_direction[] =
2163 {
2164   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2165   { CA_ARG_DIRECTION_NONE,      "none"                          },
2166   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2167   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2168   { CA_ARG_DIRECTION_UP,        "up"                            },
2169   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2170   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2171   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2172
2173   { -1,                         NULL                            }
2174 };
2175
2176 static struct ValueTextInfo options_action_arg_scan_mode[] =
2177 {
2178   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2179   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2180   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2181
2182   { -1,                         NULL                            }
2183 };
2184
2185 static struct ValueTextInfo options_action_arg_inventory[] =
2186 {
2187   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2188   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2189   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2190   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2191   { CA_ARG_UNDEFINED,           " "                             },
2192   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2193   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2194   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2195   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2196   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2197   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2198   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2199   { CA_ARG_UNDEFINED,           " "                             },
2200   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2201
2202   { -1,                         NULL                            }
2203 };
2204
2205 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2206 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2207 {
2208   { -1,                         NULL                            }
2209 };
2210
2211 static struct ValueTextInfo options_group_choice_mode[] =
2212 {
2213   { ANIM_RANDOM,                "random"                        },
2214   { ANIM_LOOP,                  "loop"                          },
2215   { ANIM_LINEAR,                "linear"                        },
2216   { ANIM_PINGPONG,              "pingpong"                      },
2217   { ANIM_PINGPONG2,             "pingpong 2"                    },
2218
2219   { -1,                         NULL                            }
2220 };
2221
2222 static struct ValueTextInfo *action_arg_modes[] =
2223 {
2224   options_action_mode_none,
2225   options_action_mode_assign,
2226   options_action_mode_add_remove,
2227   options_action_mode_calculate,
2228 };
2229
2230 static struct
2231 {
2232   int value;
2233   int mode;
2234   struct ValueTextInfo *options;
2235 }
2236 action_arg_options[] =
2237 {
2238   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2239   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2240   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2241   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2242   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2243   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2244   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2245   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2246   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2247   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2248   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2249   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2250   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2251   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2252   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2253   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2254   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2255   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2256   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2257   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2258   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2259
2260   { -1,                         FALSE,  NULL                            }
2261 };
2262
2263 static struct
2264 {
2265   int x, y;
2266   int gadget_id;
2267   int gadget_id_align;
2268   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2269   struct ValueTextInfo *options;
2270   int *value;
2271   char *text_left, *text_right, *infotext;
2272 } selectbox_info[ED_NUM_SELECTBOX] =
2273 {
2274   /* ---------- level and editor settings ---------------------------------- */
2275
2276   {
2277     -1,                                 ED_LEVEL_SETTINGS_YPOS(7),
2278     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2279     -1,
2280     options_time_or_steps,
2281     &level.use_step_counter,
2282     NULL, "(0 => no limit)",            "time or step limit"
2283   },
2284   {
2285     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2286     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2287     -1,
2288     options_game_engine_type,
2289     &level.game_engine_type,
2290     "game engine:", NULL,               "game engine"
2291   },
2292   {
2293     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2294     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2295     -1,
2296     options_wind_direction,
2297     &level.wind_direction_initial,
2298     "initial wind direction:", NULL,    "initial wind direction"
2299   },
2300
2301   /* ---------- element settings: configure (several elements) ------------- */
2302
2303   {
2304     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2305     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2306     -1,
2307     options_player_speed,
2308     &level.initial_player_stepsize[0],
2309     "initial player speed:", NULL,      "initial player speed"
2310   },
2311
2312   /* ---------- element settings: configure 1 (custom elements) ------------ */
2313
2314   {
2315     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2316     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2317     -1,
2318     options_access_type,
2319     &custom_element.access_type,
2320     NULL, NULL,                         "type of access to this field"
2321   },
2322   {
2323     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2324     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2325     -1,
2326     options_access_layer,
2327     &custom_element.access_layer,
2328     NULL, NULL,                         "layer of access for this field"
2329   },
2330   {
2331     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2332     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2333     -1,
2334     options_access_protected,
2335     &custom_element.access_protected,
2336     NULL, NULL,                         "protected access for this field"
2337   },
2338   {
2339     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2340     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2341     -1,
2342     options_access_direction,
2343     &custom_element.access_direction,
2344     "from", NULL,                       "access direction for this field"
2345   },
2346   {
2347     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2348     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2349     -1,
2350     options_walk_to_action,
2351     &custom_element.walk_to_action,
2352     NULL, NULL,                         "diggable/collectible/pushable"
2353   },
2354
2355   /* ---------- element settings: configure 2 (custom elements) ------------ */
2356
2357   {
2358     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2359     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2360     -1,
2361     options_move_pattern,
2362     &custom_element.move_pattern,
2363     "can move", NULL,                   "element move pattern"
2364   },
2365   {
2366     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2367     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2368     -1,
2369     options_move_direction,
2370     &custom_element.move_direction_initial,
2371     "starts moving", NULL,              "initial element move direction"
2372   },
2373   {
2374     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2375     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2376     -1,
2377     options_move_stepsize,
2378     &custom_element.move_stepsize,
2379     "move/fall speed", NULL,            "speed of element movement"
2380   },
2381   {
2382     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2383     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2384     -1,
2385     options_move_leave_type,
2386     &custom_element.move_leave_type,
2387     // left text with leading spaces to place gadget next to "can dig" gadget
2388     // (needed because drawing area gadgets created after selectbox gadgets)
2389     // "can dig:    can", ":",          "leave behind or change element"
2390     "            can", ":",             "leave behind or change element"
2391   },
2392   {
2393     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2394     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2395     -1,
2396     options_smash_targets,
2397     &custom_element.smash_targets,
2398     "can smash", NULL,                  "elements that can be smashed"
2399   },
2400   {
2401     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2402     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2403     -1,
2404     options_slippery_type,
2405     &custom_element.slippery_type,
2406     "slippery", NULL,                   "where other elements fall down"
2407   },
2408   {
2409     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2410     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2411     -1,
2412     options_deadliness,
2413     &custom_element.deadliness,
2414     "deadly when", NULL,                "deadliness of element"
2415   },
2416   {
2417     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2418     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2419     -1,
2420     options_explosion_type,
2421     &custom_element.explosion_type,
2422     "can explode", NULL,                "explosion type"
2423   },
2424
2425   /* ---------- element settings: advanced (custom elements) --------------- */
2426
2427   {
2428     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2429     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2430     -1,
2431     options_time_units,
2432     &custom_element_change.delay_frames,
2433     "delay time given in", NULL,        "delay time units for change"
2434   },
2435   {
2436     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2437     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2438     -1,
2439     options_change_direct_action,
2440     &custom_element_change.direct_action,
2441     NULL, NULL,                         "type of direct action"
2442   },
2443   {
2444     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2445     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2446     -1,
2447     options_change_other_action,
2448     &custom_element_change.other_action,
2449     NULL, "element:",                   "type of other element action"
2450   },
2451   {
2452     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2453     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2454     -1,
2455     options_change_trigger_side,
2456     &custom_element_change.trigger_side,
2457     "at", "side",                       "element side triggering change"
2458   },
2459   {
2460     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2461     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2462     -1,
2463     options_change_trigger_player,
2464     &custom_element_change.trigger_player,
2465     "player:", " ",                     "player that causes change"
2466   },
2467   {
2468     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2469     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2470     -1,
2471     options_change_trigger_page,
2472     &custom_element_change.trigger_page,
2473     "page:", NULL,                      "change page that causes change"
2474   },
2475   {
2476     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2477     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2478     -1,
2479     options_change_replace_when,
2480     &custom_element_change.replace_when,
2481     "replace when", NULL,               "which elements can be replaced"
2482   },
2483   {
2484     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2485     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2486     -1,
2487     options_action_type,
2488     &custom_element_change.action_type,
2489     NULL, NULL,                         "action on specified condition"
2490   },
2491   {
2492     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2493     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2494     -1,
2495     options_action_mode_none,
2496     &custom_element_change.action_mode,
2497     NULL, NULL,                         "action operator"
2498   },
2499   {
2500     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2501     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2502     -1,
2503     options_action_arg_none,
2504     &custom_element_change.action_arg,
2505     NULL, NULL,                         "action parameter"
2506   },
2507   {
2508     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2509     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2510     3,
2511     options_change_page,
2512     &custom_element.current_change_page,
2513     NULL, NULL,                         "element change page"
2514   },
2515
2516   /* ---------- element settings: configure (group elements) --------------- */
2517
2518   {
2519     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2520     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2521     -1,
2522     options_group_choice_mode,
2523     &group_element_info.choice_mode,
2524     "choice type:", NULL,               "type of group element choice"
2525   },
2526 };
2527
2528 static struct
2529 {
2530   int x, y;
2531   int gadget_id;
2532   int gadget_id_align;
2533   int size;
2534   char *text;
2535   char *text_left, *text_right, *infotext;
2536 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2537 {
2538   {
2539     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
2540     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2541     8,                                  "Level",
2542     NULL, NULL,                         "Configure level properties"
2543   },
2544   {
2545     -1,                                 -1,
2546     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVEL,
2547     8,                                  "Editor",
2548     NULL, NULL,                         "Configure editor properties"
2549   },
2550   {
2551     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2552     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2553     8,                                  "Info",
2554     NULL, NULL,                         "Show information about element"
2555   },
2556   {
2557     -1,                                 -1,
2558     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2559     8,                                  "Config",
2560     NULL, NULL,                         "Configure element properties"
2561   },
2562   {
2563     -1,                                 -1,
2564     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2565     8,                                  "Config 1",
2566     NULL, NULL,                         "Configure element properties, part 1"
2567   },
2568   {
2569     -1,                                 -1,
2570     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2571     8,                                  "Config 2",
2572     NULL, NULL,                         "Configure element properties, part 2"
2573   },
2574   {
2575     -1,                                 -1,
2576     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2577     8,                                  "Change",
2578     NULL, NULL,                         "Configure custom element change pages"
2579   },
2580   {
2581     -1,                                 -1,
2582     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
2583     -1,                                 "Save",
2584     " ", "As Template",                 "Save current settings as new template"
2585   },
2586   {
2587     -1,                                 -1,
2588     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2589     -1,                                 "New",
2590     NULL, NULL,                         "Add new change page"
2591   },
2592   {
2593     -1,                                 -1,
2594     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2595     -1,                                 "Delete",
2596     NULL, NULL,                         "Delete current change page"
2597   },
2598 };
2599
2600 static struct
2601 {
2602   int graphic;
2603   int x, y;
2604   int gadget_id;
2605   int gadget_id_align;
2606   char *text_left, *text_right, *infotext;
2607 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2608 {
2609   {
2610     IMG_EDITOR_COUNTER_DOWN,
2611     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2612     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2613     NULL, NULL,                         "select previous change page"
2614   },
2615   {
2616     IMG_EDITOR_COUNTER_UP,
2617     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2618     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2619     NULL, "change page",                "select next change page"
2620   },
2621   {
2622     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2623     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2624     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2625     " ", NULL,                          "copy settings from this change page"
2626   },
2627   {
2628     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2629     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2630     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2631     NULL, NULL,                         "paste settings to this change page"
2632   },
2633 };
2634
2635 static struct
2636 {
2637   int x, y;
2638 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2639
2640 static struct
2641 {
2642   int graphic;
2643   int gadget_id;
2644   char *infotext;
2645 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2646 {
2647   {
2648     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2649     GADGET_ID_SCROLL_UP,
2650     "scroll level editing area up"
2651   },
2652   {
2653     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2654     GADGET_ID_SCROLL_DOWN,
2655     "scroll level editing area down"
2656   },
2657   {
2658     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2659     GADGET_ID_SCROLL_LEFT,
2660     "scroll level editing area left"
2661   },
2662   {
2663     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2664     GADGET_ID_SCROLL_RIGHT,
2665     "scroll level editing area right"
2666   },
2667   {
2668     IMG_EDITOR_PALETTE_SCROLL_UP,
2669     GADGET_ID_SCROLL_LIST_UP,
2670     "scroll element list up ('Page Up')"
2671   },
2672   {
2673     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2674     GADGET_ID_SCROLL_LIST_DOWN,
2675     "scroll element list down ('Page Down')"
2676   },
2677 };
2678
2679 static struct
2680 {
2681   int x, y;
2682   int width, height;
2683   int wheel_x, wheel_y;
2684   int wheel_width, wheel_height;
2685 } scrollbar_pos[ED_NUM_SCROLLBARS];
2686
2687 static struct
2688 {
2689   int graphic;
2690   int type;
2691   int gadget_id;
2692   char *infotext;
2693 } scrollbar_info[ED_NUM_SCROLLBARS] =
2694 {
2695   {
2696     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2697     GD_TYPE_SCROLLBAR_HORIZONTAL,
2698     GADGET_ID_SCROLL_HORIZONTAL,
2699     "scroll level editing area horizontally"
2700   },
2701   {
2702     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2703     GD_TYPE_SCROLLBAR_VERTICAL,
2704     GADGET_ID_SCROLL_VERTICAL,
2705     "scroll level editing area vertically"
2706   },
2707   {
2708     IMG_EDITOR_PALETTE_SCROLLBAR,
2709     GD_TYPE_SCROLLBAR_VERTICAL,
2710     GADGET_ID_SCROLL_LIST_VERTICAL,
2711     "scroll element list vertically"
2712   }
2713 };
2714
2715
2716 static struct
2717 {
2718   int x, y;
2719   int gadget_id;
2720   int gadget_id_align;
2721   int radio_button_nr;
2722   int *value;
2723   int checked_value;
2724   char *text_left, *text_right, *infotext;
2725 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2726 {
2727   {
2728     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2729     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2730     RADIO_NR_RANDOM_ELEMENTS,
2731     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2732     " ", "percentage",                  "use percentage for random elements"
2733   },
2734   {
2735     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2736     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2737     RADIO_NR_RANDOM_ELEMENTS,
2738     &random_placement_method,           RANDOM_USE_QUANTITY,
2739     " ", "quantity",                    "use quantity for random elements"
2740   }
2741 };
2742
2743 static struct
2744 {
2745   int x, y;
2746   int gadget_id;
2747   int gadget_id_align;
2748   boolean *value;
2749   char *text_left, *text_right, *infotext;
2750 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2751 {
2752   /* ---------- level and editor settings ---------------------------------- */
2753
2754   {
2755     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2756     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2757     &random_placement_background_restricted,
2758     NULL,
2759     "restrict random placement to:",    "set random placement restriction"
2760   },
2761
2762   /* ---------- element settings: configure (various elements) ------------- */
2763
2764   {
2765     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2766     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2767     &stick_element_properties_window,
2768     NULL,
2769     "stick this screen to edit content","stick this screen to edit content"
2770   },
2771   {
2772     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2773     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2774     &level.em_slippery_gems,
2775     NULL,
2776     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2777   },
2778   {
2779     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2780     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2781     &level.em_explodes_by_fire,
2782     NULL,
2783     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2784   },
2785   {
2786     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2787     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2788     &level.use_spring_bug,
2789     NULL,
2790     "use spring pushing bug",           "use odd spring pushing behaviour"
2791   },
2792   {
2793     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2794     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2795     &level.use_time_orb_bug,
2796     NULL,
2797     "use time orb bug",                 "use odd time orb behaviour"
2798   },
2799   {
2800     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2801     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2802     &level.ball_random,
2803     NULL,
2804     "create single random element",     "only create one element from content"
2805   },
2806   {
2807     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2808     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2809     &level.ball_state_initial,
2810     NULL,
2811     "magic ball initially activated",   "activate magic ball after level start"
2812   },
2813   {
2814     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2815     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2816     &level.grow_into_diggable,
2817     NULL,
2818     "can grow into anything diggable",  "grow into more than just sand"
2819   },
2820   {
2821     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2822     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2823     &level.auto_exit_sokoban,
2824     NULL,
2825     "exit level if all fields solved",  "automatically finish Sokoban levels"
2826   },
2827   {
2828     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2829     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2830     &level.continuous_snapping,
2831     NULL,
2832     "continuous snapping",              "use snapping without releasing key"
2833   },
2834   {
2835     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2836     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2837     &level.block_snap_field,
2838     NULL,
2839     "block snapped field when snapping", "use snapping delay to show animation"
2840   },
2841   {
2842     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2843     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2844     &level.block_last_field,
2845     NULL,
2846     "block last field when moving",     "player blocks last field when moving"
2847   },
2848   {
2849     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2850     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2851     &level.sp_block_last_field,
2852     NULL,
2853     "block last field when moving",     "player blocks last field when moving"
2854   },
2855   {
2856     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2857     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2858     &level.instant_relocation,
2859     NULL,
2860     "no scrolling when relocating",     "player gets relocated without delay"
2861   },
2862   {
2863     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2864     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2865     &level.shifted_relocation,
2866     NULL,
2867     "no centering when relocating",     "level not centered after relocation"
2868   },
2869   {
2870     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2871     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
2872     &level.lazy_relocation,
2873     NULL,
2874     "only redraw off-screen relocation","no redraw if relocation target visible"
2875   },
2876   {
2877     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2878     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2879     &level.use_start_element[0],
2880     NULL,
2881     "use level start element:",        "start level at this element's position"
2882   },
2883   {
2884     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2885     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2886     &level.use_artwork_element[0],
2887     NULL,
2888     "use artwork from element:",        "use player artwork from other element"
2889   },
2890   {
2891     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2892     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2893     &level.use_explosion_element[0],
2894     NULL,
2895     "use explosion from element:",      "use explosion properties from element"
2896   },
2897   {
2898     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2899     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
2900     &level.initial_player_gravity[0],
2901     NULL,
2902     "use initial gravity",              "set initial player gravity"
2903   },
2904   {
2905     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2906     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
2907     &level.use_initial_inventory[0],
2908     NULL,
2909     "use initial inventory:",           "use collected elements on level start"
2910   },
2911   {
2912     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2913     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2914     &level.can_pass_to_walkable,
2915     NULL,
2916     "can pass to walkable element",     "player can pass to empty or walkable"
2917   },
2918   {
2919     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2920     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2921     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2922     NULL,
2923     "can fall into acid (with gravity)","player can fall into acid pool"
2924   },
2925   {
2926     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2927     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2928     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2929     NULL,
2930     "can move into acid",               "element can move into acid pool"
2931   },
2932   {
2933     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2934     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2935     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2936     NULL,
2937     "deadly when colliding with",       "element is deadly when hitting player"
2938   },
2939   {
2940     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2941     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
2942     &level.envelope[0].autowrap,
2943     NULL,
2944     "auto-wrap",                        "automatically wrap envelope text"
2945   },
2946   {
2947     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
2948     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
2949     &level.envelope[0].centered,
2950     " ",
2951     "centered",                         "automatically center envelope text"
2952   },
2953
2954   /* ---------- element settings: configure 1 (custom elements) ----------- */
2955
2956   {
2957     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2958     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2959     &custom_element.use_gfx_element,
2960     NULL,
2961     "use graphic of element:",          "use existing element graphic"
2962   },
2963   {
2964     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2965     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2966     &level.use_custom_template,
2967     NULL,
2968     "use template",                     "use template for custom properties"
2969   },
2970   {
2971     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2972     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2973     &custom_element_properties[EP_ACCESSIBLE],
2974     NULL,
2975     NULL,                               "player can walk to or pass this field"
2976   },
2977   {
2978     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2979     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2980     &custom_element_properties[EP_GRAVITY_REACHABLE],
2981     NULL,
2982     "reachable despite gravity",        "player can walk/dig despite gravity"
2983   },
2984   {
2985     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2986     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
2987     &custom_element.use_last_ce_value,
2988     NULL,
2989     "use last CE value after change",   "use last CE value after change"
2990   },
2991   {
2992     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2993     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2994     &custom_element_properties[EP_WALK_TO_OBJECT],
2995     NULL,
2996     NULL,                               "player can dig/collect/push element"
2997   },
2998   {
2999     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3000     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3001     &custom_element_properties[EP_INDESTRUCTIBLE],
3002     NULL,
3003     "indestructible",                   "element is indestructible"
3004   },
3005
3006   /* ---------- element settings: configure 2 (custom elements) ----------- */
3007
3008   {
3009     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3010     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3011     &custom_element_properties[EP_CAN_MOVE],
3012     NULL,
3013     NULL,                               "element can move with some pattern"
3014   },
3015   {
3016     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3017     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3018     &custom_element_properties[EP_CAN_FALL],
3019     NULL,
3020     "can fall",                         "element can fall down"
3021   },
3022   {
3023     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3024     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3025     &custom_element_properties[EP_CAN_SMASH],
3026     " ",
3027     NULL,                               "element can smash other elements"
3028   },
3029   {
3030     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3031     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3032     &custom_element_properties[EP_SLIPPERY],
3033     NULL,
3034     NULL,                               "other elements can fall down from it"
3035   },
3036   {
3037     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3038     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3039     &custom_element_properties[EP_DEADLY],
3040     NULL,
3041     NULL,                               "element can kill the player"
3042   },
3043   {
3044     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3045     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3046     &custom_element_properties[EP_CAN_EXPLODE],
3047     NULL,
3048     NULL,                               "element can explode"
3049   },
3050   {
3051     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3052     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3053     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3054     NULL,
3055     "by fire",                          "element can explode by fire/explosion"
3056   },
3057   {
3058     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3059     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3060     &custom_element_properties[EP_EXPLODES_SMASHED],
3061     " ",
3062     "smashed",                          "element can explode when smashed"
3063   },
3064   {
3065     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3066     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3067     &custom_element_properties[EP_EXPLODES_IMPACT],
3068     " ",
3069     "impact",                           "element can explode on impact"
3070   },
3071
3072   /* ---------- element settings: advanced (custom elements) --------------- */
3073
3074   {
3075     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3076     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3077     &custom_element_change.can_change,
3078     NULL,
3079     "element changes to:",              "change element on specified condition"
3080   },
3081   {
3082     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3083     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3084     &custom_element_change_events[CE_DELAY],
3085     NULL,
3086     NULL,                               "element changes after delay"
3087   },
3088   {
3089     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3090     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3091     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3092     NULL,
3093     NULL,                               "element changes by direct action"
3094   },
3095   {
3096     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3097     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3098     &custom_element_change_events[CE_BY_OTHER_ACTION],
3099     NULL,
3100     NULL,                               "element changes by other element"
3101   },
3102   {
3103     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3104     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3105     &custom_element_change.explode,
3106     NULL,
3107     "explode instead of change",        "element explodes instead of change"
3108   },
3109   {
3110     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3111     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3112     &custom_element_change.use_target_content,
3113     NULL,
3114     "use extended change target:",      "element changes to more elements"
3115   },
3116   {
3117     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3118     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3119     &custom_element_change.only_if_complete,
3120     NULL,
3121     "replace all or nothing",           "only replace when all can be changed"
3122   },
3123   {
3124     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3125     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3126     &custom_element_change.use_random_replace,
3127     NULL,
3128     NULL,                               "use percentage for random replace"
3129   },
3130   {
3131     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3132     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3133     &custom_element_change.has_action,
3134     NULL,
3135     NULL,                               "execute action on specified condition"
3136   },
3137 };
3138
3139 static struct
3140 {
3141   int x, y;
3142   int xoffset, yoffset;
3143   int gadget_id;
3144   int gadget_id_align;
3145   int *value;
3146   int area_xsize, area_ysize;
3147   char *text_left, *text_right, *text_below, *infotext;
3148 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3149 {
3150   /* ---------- level playfield content ------------------------------------ */
3151
3152   {
3153     0,                                  0,
3154     0,                                  0,
3155     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3156     NULL,
3157     -1, -1,     /* these values are not constant, but can change at runtime */
3158     NULL, NULL, NULL,                   NULL
3159   },
3160
3161   /* ---------- yam yam content -------------------------------------------- */
3162
3163   {
3164     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3165     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3166     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3167     &level.yamyam_content[0].e[0][0],   3, 3,
3168     NULL, NULL, "1",                    NULL
3169   },
3170   {
3171     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3172     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3173     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3174     &level.yamyam_content[1].e[0][0],   3, 3,
3175     NULL, NULL, "2",                    NULL
3176   },
3177   {
3178     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3179     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3180     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3181     &level.yamyam_content[2].e[0][0],   3, 3,
3182     NULL, NULL, "3",                    NULL
3183   },
3184   {
3185     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3186     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3187     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3188     &level.yamyam_content[3].e[0][0],   3, 3,
3189     NULL, NULL, "4",                    NULL
3190   },
3191   {
3192     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3193     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3194     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3195     &level.yamyam_content[4].e[0][0],   3, 3,
3196     NULL, NULL, "5",                    NULL
3197   },
3198   {
3199     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3200     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3201     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3202     &level.yamyam_content[5].e[0][0],   3, 3,
3203     NULL, NULL, "6",                    NULL
3204   },
3205   {
3206     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3207     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3208     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3209     &level.yamyam_content[6].e[0][0],   3, 3,
3210     NULL, NULL, "7",                    NULL
3211   },
3212   {
3213     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3214     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3215     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3216     &level.yamyam_content[7].e[0][0],   3, 3,
3217     NULL, NULL, "8",                    NULL
3218   },
3219
3220   /* ---------- magic ball content ----------------------------------------- */
3221
3222   {
3223     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3224     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3225     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3226     &level.ball_content[0].e[0][0],     3, 3,
3227     NULL, NULL, "1",                    NULL
3228   },
3229   {
3230     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3231     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3232     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3233     &level.ball_content[1].e[0][0],     3, 3,
3234     NULL, NULL, "2",                    NULL
3235   },
3236   {
3237     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3238     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3239     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3240     &level.ball_content[2].e[0][0],     3, 3,
3241     NULL, NULL, "3",                    NULL
3242   },
3243   {
3244     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3245     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3246     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3247     &level.ball_content[3].e[0][0],     3, 3,
3248     NULL, NULL, "4",                    NULL
3249   },
3250   {
3251     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3252     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3253     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3254     &level.ball_content[4].e[0][0],     3, 3,
3255     NULL, NULL, "5",                    NULL
3256   },
3257   {
3258     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3259     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3260     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3261     &level.ball_content[5].e[0][0],     3, 3,
3262     NULL, NULL, "6",                    NULL
3263   },
3264   {
3265     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3266     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3267     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3268     &level.ball_content[6].e[0][0],     3, 3,
3269     NULL, NULL, "7",                    NULL
3270   },
3271   {
3272     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3273     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3274     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3275     &level.ball_content[7].e[0][0],     3, 3,
3276     NULL, NULL, "8",                    NULL
3277   },
3278
3279   /* ---------- android content -------------------------------------------- */
3280
3281   {
3282     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3283     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3284     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3285     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3286     "elements:", NULL, NULL,            "elements android can clone"
3287   },
3288
3289   /* ---------- amoeba content --------------------------------------------- */
3290
3291   {
3292     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3293     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3294     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3295     &level.amoeba_content,              1, 1,
3296     "content:", NULL, NULL,             "amoeba content"
3297   },
3298
3299   /* ---------- level start element ---------------------------------------- */
3300
3301   {
3302     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3303     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3304     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3305     &level.start_element[0],            1, 1,
3306     NULL, NULL, NULL,                   "level start element"
3307   },
3308
3309   /* ---------- player artwork element ------------------------------------- */
3310
3311   {
3312     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3313     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3314     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3315     &level.artwork_element[0],          1, 1,
3316     NULL, NULL, NULL,                   "element for player artwork"
3317   },
3318
3319   /* ---------- player explosion element ----------------------------------- */
3320
3321   {
3322     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3323     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3324     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3325     &level.explosion_element[0],        1, 1,
3326     NULL, NULL, NULL,                   "element for player explosion"
3327   },
3328
3329   /* ---------- player initial inventory ----------------------------------- */
3330
3331   {
3332     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3333     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3334     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3335     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3336     NULL, NULL, NULL,                   "content for initial inventory"
3337   },
3338
3339   /* ---------- element settings: configure 1 (custom elements) ----------- */
3340
3341   /* ---------- custom graphic --------------------------------------------- */
3342
3343   {
3344     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3345     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3346     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3347     &custom_element.gfx_element_initial,1, 1,
3348     NULL, NULL, NULL,                   "custom graphic element"
3349   },
3350
3351   /* ---------- element settings: configure 2 (custom elements) ----------- */
3352
3353   /* ---------- custom content (when exploding) ---------------------------- */
3354
3355   {
3356     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3357     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3358     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3359     &custom_element.content.e[0][0],    3, 3,
3360     "content:", NULL, NULL,             NULL
3361   },
3362
3363   /* ---------- custom enter and leave element (when moving) --------------- */
3364
3365   {
3366     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3367     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3368     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3369     &custom_element.move_enter_element, 1, 1,
3370     "can dig:", " ", NULL,              "element that can be digged/collected"
3371   },
3372   {
3373     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3374     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3375     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3376     &custom_element.move_leave_element, 1, 1,
3377     NULL, NULL, NULL,                   "element that will be left behind"
3378   },
3379
3380   /* ---------- element settings: advanced (custom elements) --------------- */
3381
3382   /* ---------- custom change target --------------------------------------- */
3383
3384   {
3385     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3386     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3387     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3388     &custom_element_change.target_element, 1, 1,
3389     NULL, "after/when:", NULL,          "new target element after change"
3390   },
3391
3392   /* ---------- custom change content (extended change target) ------------- */
3393
3394   {
3395     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3396     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3397     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3398     &custom_element_change.target_content.e[0][0], 3, 3,
3399     NULL, NULL, NULL,                   "new extended elements after change"
3400   },
3401
3402   /* ---------- custom change trigger (element causing change) ------------- */
3403
3404   {
3405     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3406     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3407     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3408     &custom_element_change.initial_trigger_element, 1, 1,
3409     NULL, NULL, NULL,                   "other element triggering change"
3410   },
3411
3412   /* ---------- custom change action (element used for action) ------------- */
3413
3414   {
3415     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3416     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3417     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3418     &custom_element_change.action_element, 1, 1,
3419     NULL, NULL, NULL,                   "element used as action parameter"
3420   },
3421
3422   /* ---------- group element content -------------------------------------- */
3423
3424   {
3425     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3426     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3427     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3428     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3429     "content:", NULL, NULL,             NULL
3430   },
3431
3432   /* ---------- random background (for random painting) -------------------- */
3433
3434   {
3435     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3436     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3437     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3438     &random_placement_background_element, 1, 1,
3439     NULL, NULL, NULL,                   "random placement background"
3440   },
3441 };
3442
3443
3444 /*
3445   -----------------------------------------------------------------------------
3446   some internally used variables
3447   -----------------------------------------------------------------------------
3448 */
3449
3450 /* maximal size of level editor drawing area */
3451 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3452
3453 /* actual size of level editor drawing area */
3454 static int ed_fieldx, ed_fieldy;
3455
3456 /* actual position of level editor drawing area in level playfield */
3457 static int level_xpos = -1, level_ypos = -1;
3458
3459 /* actual tile size used to display playfield drawing area */
3460 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3461
3462 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3463
3464 /* drawing elements on the three mouse buttons */
3465 static int new_element1 = EL_WALL;
3466 static int new_element2 = EL_EMPTY;
3467 static int new_element3 = EL_SAND;
3468
3469 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3470 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3471                                 (button) == 2 ? new_element2 : \
3472                                 (button) == 3 ? new_element3 : EL_EMPTY)
3473
3474 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3475
3476 static int use_permanent_palette = TRUE;
3477
3478 #define PX              (use_permanent_palette ? DX : SX)
3479 #define PY              (use_permanent_palette ? DY : SY)
3480 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3481 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3482
3483 /* forward declaration for internal use */
3484 static void ModifyEditorCounterValue(int, int);
3485 static void ModifyEditorCounterLimits(int, int, int);
3486 static void ModifyEditorSelectboxValue(int, int);
3487 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3488 static void ModifyEditorDrawingArea(int, int, int);
3489 static void ModifyEditorElementList();
3490 static void AdjustElementListScrollbar();
3491 static void RedrawDrawingElements();
3492 static void DrawDrawingWindow();
3493 static void DrawLevelInfoWindow();
3494 static void DrawPropertiesWindow();
3495 static void DrawPaletteWindow();
3496 static void UpdateCustomElementGraphicGadgets();
3497 static boolean checkPropertiesConfig(int);
3498 static void CopyLevelToUndoBuffer(int);
3499 static void HandleDrawingAreas(struct GadgetInfo *);
3500 static void HandleCounterButtons(struct GadgetInfo *);
3501 static void HandleTextInputGadgets(struct GadgetInfo *);
3502 static void HandleTextAreaGadgets(struct GadgetInfo *);
3503 static void HandleSelectboxGadgets(struct GadgetInfo *);
3504 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3505 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3506 static void HandleRadiobuttons(struct GadgetInfo *);
3507 static void HandleCheckbuttons(struct GadgetInfo *);
3508 static void HandleControlButtons(struct GadgetInfo *);
3509 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3510 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3511 static boolean AskToCopyAndModifyLevelTemplate();
3512
3513 static int num_editor_gadgets = 0;      /* dynamically determined */
3514
3515 static struct GadgetInfo **level_editor_gadget = NULL;
3516 static int *right_gadget_border = NULL;
3517
3518 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3519 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3520 static boolean draw_with_brush = FALSE;
3521 static int properties_element = 0;
3522
3523 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3524 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3525 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3526 static int undo_buffer_position = 0;
3527 static int undo_buffer_steps = 0;
3528 static int redo_buffer_steps = 0;
3529
3530 static int edit_mode;
3531 static int edit_mode_levelinfo;
3532 static int edit_mode_properties;
3533
3534 static int element_shift = 0;
3535
3536 static int editor_el_players[] =
3537 {
3538   EL_PLAYER_1,
3539   EL_PLAYER_2,
3540   EL_PLAYER_3,
3541   EL_PLAYER_4
3542 };
3543 static int *editor_el_players_ptr = editor_el_players;
3544 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3545
3546 static int editor_hl_boulderdash[] =
3547 {
3548   EL_INTERNAL_CASCADE_BD_ACTIVE,
3549   EL_CHAR('B'),
3550   EL_CHAR('D'),
3551   EL_EMPTY,
3552 };
3553
3554 static int editor_el_boulderdash[] =
3555 {
3556   EL_EMPTY,
3557   EL_SAND,
3558   EL_BD_ROCK,
3559   EL_BD_DIAMOND,
3560
3561   EL_STEELWALL,
3562   EL_BD_WALL,
3563   EL_BD_EXPANDABLE_WALL,
3564   EL_BD_MAGIC_WALL,
3565
3566   EL_BD_AMOEBA,
3567   EL_BD_BUTTERFLY_UP,
3568   EL_BD_FIREFLY_UP,
3569   EL_EXIT_CLOSED,
3570
3571   EL_BD_BUTTERFLY_LEFT,
3572   EL_BD_FIREFLY_LEFT,
3573   EL_BD_BUTTERFLY_RIGHT,
3574   EL_BD_FIREFLY_RIGHT,
3575
3576   EL_EMPTY,
3577   EL_BD_BUTTERFLY_DOWN,
3578   EL_BD_FIREFLY_DOWN,
3579   EL_EXIT_OPEN,
3580 };
3581 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3582 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3583 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3584 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3585
3586 static int editor_hl_emerald_mine[] =
3587 {
3588   EL_INTERNAL_CASCADE_EM_ACTIVE,
3589   EL_CHAR('E'),
3590   EL_CHAR('M'),
3591   EL_EMPTY,
3592 };
3593
3594 static int editor_el_emerald_mine[] =
3595 {
3596   EL_SAND,
3597   EL_ROCK,
3598   EL_QUICKSAND_EMPTY,
3599   EL_QUICKSAND_FULL,
3600
3601   EL_STEELWALL,
3602   EL_WALL,
3603   EL_WALL_SLIPPERY,
3604   EL_MAGIC_WALL,
3605
3606   EL_EMERALD,
3607   EL_DIAMOND,
3608   EL_NUT,
3609   EL_BOMB,
3610
3611   EL_WALL_EMERALD,
3612   EL_WALL_DIAMOND,
3613   EL_DYNAMITE,
3614   EL_DYNAMITE_ACTIVE,
3615
3616   EL_YAMYAM,
3617   EL_BUG_UP,
3618   EL_SPACESHIP_UP,
3619   EL_ROBOT,
3620
3621   EL_BUG_LEFT,
3622   EL_SPACESHIP_LEFT,
3623   EL_BUG_RIGHT,
3624   EL_SPACESHIP_RIGHT,
3625
3626   EL_ROBOT_WHEEL,
3627   EL_BUG_DOWN,
3628   EL_SPACESHIP_DOWN,
3629   EL_INVISIBLE_WALL,
3630
3631   EL_ACID_POOL_TOPLEFT,
3632   EL_ACID,
3633   EL_ACID_POOL_TOPRIGHT,
3634   EL_AMOEBA_DROP,
3635
3636   EL_ACID_POOL_BOTTOMLEFT,
3637   EL_ACID_POOL_BOTTOM,
3638   EL_ACID_POOL_BOTTOMRIGHT,
3639   EL_AMOEBA_WET,
3640
3641   EL_EM_KEY_1,
3642   EL_EM_KEY_2,
3643   EL_EM_KEY_3,
3644   EL_EM_KEY_4,
3645
3646   EL_EM_GATE_1,
3647   EL_EM_GATE_2,
3648   EL_EM_GATE_3,
3649   EL_EM_GATE_4,
3650
3651   EL_EM_GATE_1_GRAY,
3652   EL_EM_GATE_2_GRAY,
3653   EL_EM_GATE_3_GRAY,
3654   EL_EM_GATE_4_GRAY,
3655
3656   EL_EM_EXIT_CLOSED,
3657   EL_EM_EXIT_OPEN,
3658   EL_EM_STEEL_EXIT_CLOSED,
3659   EL_EM_STEEL_EXIT_OPEN,
3660 };
3661 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3662 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3663 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3664 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3665
3666 static int editor_hl_emerald_mine_club[] =
3667 {
3668   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3669   EL_CHAR('E'),
3670   EL_CHAR('M'),
3671   EL_CHAR('C'),
3672 };
3673
3674 static int editor_el_emerald_mine_club[] =
3675 {
3676   EL_EMC_KEY_5,
3677   EL_EMC_KEY_6,
3678   EL_EMC_KEY_7,
3679   EL_EMC_KEY_8,
3680
3681   EL_EMC_GATE_5,
3682   EL_EMC_GATE_6,
3683   EL_EMC_GATE_7,
3684   EL_EMC_GATE_8,
3685
3686   EL_EMC_GATE_5_GRAY,
3687   EL_EMC_GATE_6_GRAY,
3688   EL_EMC_GATE_7_GRAY,
3689   EL_EMC_GATE_8_GRAY,
3690
3691   EL_EMC_STEELWALL_1,
3692   EL_EMC_STEELWALL_2,
3693   EL_EMC_STEELWALL_3,
3694   EL_EMC_STEELWALL_4,
3695
3696   EL_EMC_WALL_13,
3697   EL_EMC_WALL_14,
3698   EL_EMC_WALL_15,
3699   EL_EMC_WALL_16,
3700
3701   EL_EMC_WALL_SLIPPERY_1,
3702   EL_EMC_WALL_SLIPPERY_2,
3703   EL_EMC_WALL_SLIPPERY_3,
3704   EL_EMC_WALL_SLIPPERY_4,
3705
3706   EL_EMC_WALL_1,
3707   EL_EMC_WALL_2,
3708   EL_EMC_WALL_3,
3709   EL_EMC_WALL_4,
3710
3711   EL_EMC_WALL_5,
3712   EL_EMC_WALL_6,
3713   EL_EMC_WALL_7,
3714   EL_EMC_WALL_8,
3715
3716   EL_EMC_WALL_9,
3717   EL_EMC_WALL_10,
3718   EL_EMC_WALL_11,
3719   EL_EMC_WALL_12,
3720
3721   EL_EMC_GRASS,
3722   EL_EMC_FAKE_GRASS,
3723   EL_EMC_PLANT,
3724   EL_EMC_DRIPPER,
3725
3726   EL_EMC_MAGIC_BALL,
3727   EL_EMC_MAGIC_BALL_SWITCH,
3728   EL_SPRING,
3729   EL_EMC_SPRING_BUMPER,
3730
3731   EL_EMC_LENSES,
3732   EL_EMC_MAGNIFIER,
3733   EL_EM_DYNAMITE,
3734   EL_EM_DYNAMITE_ACTIVE,
3735
3736   EL_BALLOON,
3737   EL_YAMYAM_UP,
3738   EL_BALLOON_SWITCH_UP,
3739   EL_BALLOON_SWITCH_ANY,
3740
3741   EL_YAMYAM_LEFT,
3742   EL_BALLOON_SWITCH_LEFT,
3743   EL_YAMYAM_RIGHT,
3744   EL_BALLOON_SWITCH_RIGHT,
3745
3746   EL_EMC_ANDROID,
3747   EL_YAMYAM_DOWN,
3748   EL_BALLOON_SWITCH_DOWN,
3749   EL_BALLOON_SWITCH_NONE,
3750 };
3751 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3752 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3753 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3754 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3755
3756 static int editor_hl_rnd[] =
3757 {
3758   EL_INTERNAL_CASCADE_RND_ACTIVE,
3759   EL_CHAR('R'),
3760   EL_CHAR('N'),
3761   EL_CHAR('D'),
3762 };
3763
3764 static int editor_el_rnd[] =
3765 {
3766   EL_KEY_1,
3767   EL_KEY_2,
3768   EL_KEY_3,
3769   EL_KEY_4,
3770
3771   EL_GATE_1,
3772   EL_GATE_2,
3773   EL_GATE_3,
3774   EL_GATE_4,
3775
3776   EL_GATE_1_GRAY,
3777   EL_GATE_2_GRAY,
3778   EL_GATE_3_GRAY,
3779   EL_GATE_4_GRAY,
3780
3781   EL_ARROW_LEFT,
3782   EL_ARROW_RIGHT,
3783   EL_ARROW_UP,
3784   EL_ARROW_DOWN,
3785
3786   EL_AMOEBA_DEAD,
3787   EL_AMOEBA_DRY,
3788   EL_AMOEBA_FULL,
3789   EL_GAME_OF_LIFE,
3790
3791   EL_EMERALD_YELLOW,
3792   EL_EMERALD_RED,
3793   EL_EMERALD_PURPLE,
3794   EL_BIOMAZE,
3795
3796   EL_WALL_EMERALD_YELLOW,
3797   EL_WALL_EMERALD_RED,
3798   EL_WALL_EMERALD_PURPLE,
3799   EL_WALL_BD_DIAMOND,
3800
3801   EL_SPEED_PILL,
3802   EL_PACMAN_UP,
3803   EL_TIME_ORB_FULL,
3804   EL_TIME_ORB_EMPTY,
3805
3806   EL_PACMAN_LEFT,
3807   EL_DARK_YAMYAM,
3808   EL_PACMAN_RIGHT,
3809   EL_EMPTY,
3810
3811   EL_BLACK_ORB,
3812   EL_PACMAN_DOWN,
3813   EL_LAMP,
3814   EL_LAMP_ACTIVE,
3815
3816   EL_DYNABOMB_INCREASE_NUMBER,
3817   EL_DYNABOMB_INCREASE_SIZE,
3818   EL_DYNABOMB_INCREASE_POWER,
3819   EL_STONEBLOCK,
3820
3821   EL_MOLE,
3822   EL_PENGUIN,
3823   EL_PIG,
3824   EL_DRAGON,
3825
3826   EL_BUG,
3827   EL_MOLE_UP,
3828   EL_BD_BUTTERFLY,
3829   EL_BD_FIREFLY,
3830
3831   EL_MOLE_LEFT,
3832   EL_SATELLITE,
3833   EL_MOLE_RIGHT,
3834   EL_PACMAN,
3835
3836   EL_SPACESHIP,
3837   EL_MOLE_DOWN,
3838   EL_INVISIBLE_STEELWALL,
3839   EL_INVISIBLE_WALL,
3840
3841   EL_EXPANDABLE_WALL,
3842   EL_EXPANDABLE_WALL_HORIZONTAL,
3843   EL_EXPANDABLE_WALL_VERTICAL,
3844   EL_EXPANDABLE_WALL_ANY,
3845 };
3846 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3847 static int *editor_el_rnd_ptr = editor_el_rnd;
3848 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3849 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3850
3851 static int editor_hl_sokoban[] =
3852 {
3853   EL_INTERNAL_CASCADE_SB_ACTIVE,
3854   EL_CHAR('S'),
3855   EL_CHAR('B'),
3856   EL_EMPTY,
3857 };
3858
3859 static int editor_el_sokoban[] =
3860 {
3861   EL_SOKOBAN_OBJECT,
3862   EL_SOKOBAN_FIELD_EMPTY,
3863   EL_SOKOBAN_FIELD_FULL,
3864   EL_SOKOBAN_FIELD_PLAYER,
3865 };
3866 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3867 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3868 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3869 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3870
3871 static int editor_hl_supaplex[] =
3872 {
3873   EL_INTERNAL_CASCADE_SP_ACTIVE,
3874   EL_CHAR('S'),
3875   EL_CHAR('P'),
3876   EL_EMPTY,
3877 };
3878
3879 static int editor_el_supaplex[] =
3880 {
3881   EL_SP_MURPHY,
3882   EL_EMPTY,
3883   EL_SP_BASE,
3884   EL_SP_BUGGY_BASE,
3885
3886   EL_SP_INFOTRON,
3887   EL_SP_ZONK,
3888   EL_SP_SNIKSNAK,
3889   EL_SP_ELECTRON,
3890
3891   EL_SP_DISK_RED,
3892   EL_SP_DISK_ORANGE,
3893   EL_SP_DISK_YELLOW,
3894   EL_SP_TERMINAL,
3895
3896   EL_SP_EXIT_CLOSED,
3897   EL_SP_PORT_HORIZONTAL,
3898   EL_SP_PORT_VERTICAL,
3899   EL_SP_PORT_ANY,
3900
3901   EL_SP_PORT_LEFT,
3902   EL_SP_PORT_RIGHT,
3903   EL_SP_PORT_UP,
3904   EL_SP_PORT_DOWN,
3905
3906   EL_SP_GRAVITY_PORT_LEFT,
3907   EL_SP_GRAVITY_PORT_RIGHT,
3908   EL_SP_GRAVITY_PORT_UP,
3909   EL_SP_GRAVITY_PORT_DOWN,
3910
3911   EL_SP_GRAVITY_ON_PORT_LEFT,
3912   EL_SP_GRAVITY_ON_PORT_RIGHT,
3913   EL_SP_GRAVITY_ON_PORT_UP,
3914   EL_SP_GRAVITY_ON_PORT_DOWN,
3915
3916   EL_SP_GRAVITY_OFF_PORT_LEFT,
3917   EL_SP_GRAVITY_OFF_PORT_RIGHT,
3918   EL_SP_GRAVITY_OFF_PORT_UP,
3919   EL_SP_GRAVITY_OFF_PORT_DOWN,
3920
3921   EL_SP_HARDWARE_GRAY,
3922   EL_SP_HARDWARE_GREEN,
3923   EL_SP_HARDWARE_BLUE,
3924   EL_SP_HARDWARE_RED,
3925
3926   EL_SP_HARDWARE_BASE_1,
3927   EL_SP_HARDWARE_BASE_2,
3928   EL_SP_HARDWARE_BASE_3,
3929   EL_SP_HARDWARE_BASE_4,
3930
3931   EL_SP_HARDWARE_BASE_5,
3932   EL_SP_HARDWARE_BASE_6,
3933   EL_SP_HARDWARE_YELLOW,
3934   EL_SP_CHIP_TOP,
3935
3936   EL_SP_CHIP_SINGLE,
3937   EL_SP_CHIP_LEFT,
3938   EL_SP_CHIP_RIGHT,
3939   EL_SP_CHIP_BOTTOM,
3940 };
3941 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3942 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3943 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3944 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3945
3946 static int editor_hl_diamond_caves[] =
3947 {
3948   EL_INTERNAL_CASCADE_DC_ACTIVE,
3949   EL_CHAR('D'),
3950   EL_CHAR('C'),
3951   EL_CHAR('2'),
3952 };
3953
3954 static int editor_el_diamond_caves[] =
3955 {
3956   EL_PEARL,
3957   EL_CRYSTAL,
3958   EL_WALL_PEARL,
3959   EL_WALL_CRYSTAL,
3960
3961   EL_CONVEYOR_BELT_1_LEFT,
3962   EL_CONVEYOR_BELT_1_MIDDLE,
3963   EL_CONVEYOR_BELT_1_RIGHT,
3964   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3965
3966   EL_CONVEYOR_BELT_2_LEFT,
3967   EL_CONVEYOR_BELT_2_MIDDLE,
3968   EL_CONVEYOR_BELT_2_RIGHT,
3969   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3970
3971   EL_CONVEYOR_BELT_3_LEFT,
3972   EL_CONVEYOR_BELT_3_MIDDLE,
3973   EL_CONVEYOR_BELT_3_RIGHT,
3974   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3975
3976   EL_CONVEYOR_BELT_4_LEFT,
3977   EL_CONVEYOR_BELT_4_MIDDLE,
3978   EL_CONVEYOR_BELT_4_RIGHT,
3979   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3980
3981   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3982   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3983   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3984   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3985
3986   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3987   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3988   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3989   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3990
3991   EL_TIMEGATE_CLOSED,
3992   EL_TIMEGATE_OPEN,
3993   EL_TIMEGATE_SWITCH,
3994   EL_DC_TIMEGATE_SWITCH,
3995
3996   EL_SWITCHGATE_CLOSED,
3997   EL_SWITCHGATE_OPEN,
3998   EL_SWITCHGATE_SWITCH_UP,
3999   EL_SWITCHGATE_SWITCH_DOWN,
4000
4001   EL_LIGHT_SWITCH,
4002   EL_LIGHT_SWITCH_ACTIVE,
4003   EL_DC_SWITCHGATE_SWITCH_UP,
4004   EL_DC_SWITCHGATE_SWITCH_DOWN,
4005
4006   EL_STEEL_EXIT_CLOSED,
4007   EL_STEEL_EXIT_OPEN,
4008   EL_STEELWALL_SLIPPERY,
4009   EL_INVISIBLE_SAND,
4010
4011   EL_QUICKSAND_FAST_EMPTY,
4012   EL_QUICKSAND_FAST_FULL,
4013   EL_LANDMINE,
4014   EL_DC_LANDMINE,
4015
4016   EL_SHIELD_NORMAL,
4017   EL_SHIELD_DEADLY,
4018   EL_EXTRA_TIME,
4019   EL_DC_MAGIC_WALL,
4020
4021   EL_ENVELOPE_1,
4022   EL_ENVELOPE_2,
4023   EL_ENVELOPE_3,
4024   EL_ENVELOPE_4,
4025
4026   EL_SIGN_RADIOACTIVITY,
4027   EL_SIGN_WHEELCHAIR,
4028   EL_SIGN_PARKING,
4029   EL_SIGN_NO_ENTRY,
4030
4031   EL_SIGN_GIVE_WAY,
4032   EL_SIGN_ENTRY_FORBIDDEN,
4033   EL_SIGN_EMERGENCY_EXIT,
4034   EL_SIGN_YIN_YANG,
4035
4036 #if 0
4037   EL_SIGN_SPERMS,
4038   EL_SIGN_BULLET,
4039   EL_SIGN_HEART,
4040   EL_SIGN_CROSS,
4041
4042   EL_SIGN_FRANKIE,
4043   EL_EMPTY,
4044   EL_EMPTY,
4045   EL_EMPTY,
4046
4047   EL_SPERMS,
4048   EL_BULLET,
4049   EL_HEART,
4050   EL_CROSS,
4051
4052   EL_FRANKIE,
4053   EL_EMPTY,
4054   EL_EMPTY,
4055   EL_EMPTY,
4056 #endif
4057
4058   EL_DC_STEELWALL_2_SINGLE,
4059   EL_DC_STEELWALL_2_TOP,
4060   EL_SIGN_EXCLAMATION,
4061   EL_SIGN_STOP,
4062
4063   EL_DC_STEELWALL_2_LEFT,
4064   EL_DC_STEELWALL_2_MIDDLE,
4065   EL_DC_STEELWALL_2_HORIZONTAL,
4066   EL_DC_STEELWALL_2_RIGHT,
4067
4068   EL_DC_STEELWALL_1_TOPLEFT,
4069   EL_DC_STEELWALL_2_VERTICAL,
4070   EL_DC_STEELWALL_1_TOPRIGHT,
4071   EL_DC_GATE_WHITE,
4072
4073   EL_DC_STEELWALL_1_VERTICAL,
4074   EL_DC_STEELWALL_2_BOTTOM,
4075   EL_DC_KEY_WHITE,
4076   EL_DC_GATE_WHITE_GRAY,
4077
4078   EL_DC_STEELWALL_1_BOTTOMLEFT,
4079   EL_DC_STEELWALL_1_HORIZONTAL,
4080   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4081   EL_DC_GATE_FAKE_GRAY,
4082
4083   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4084   EL_DC_STEELWALL_1_BOTTOM,
4085   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4086   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4087
4088   EL_DC_STEELWALL_1_RIGHT,
4089   EL_EMPTY,
4090   EL_DC_STEELWALL_1_LEFT,
4091   EL_EXPANDABLE_STEELWALL_VERTICAL,
4092
4093   EL_DC_STEELWALL_1_TOPRIGHT_2,
4094   EL_DC_STEELWALL_1_TOP,
4095   EL_DC_STEELWALL_1_TOPLEFT_2,
4096   EL_EXPANDABLE_STEELWALL_ANY,
4097 };
4098 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4099 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4100 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4101 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4102
4103 static int editor_hl_dx_boulderdash[] =
4104 {
4105   EL_INTERNAL_CASCADE_DX_ACTIVE,
4106   EL_CHAR('D'),
4107   EL_CHAR('X'),
4108   EL_EMPTY,
4109 };
4110
4111 static int editor_el_dx_boulderdash[] =
4112 {
4113   EL_EMPTY,
4114   EL_TUBE_RIGHT_DOWN,
4115   EL_TUBE_HORIZONTAL_DOWN,
4116   EL_TUBE_LEFT_DOWN,
4117
4118   EL_TUBE_HORIZONTAL,
4119   EL_TUBE_VERTICAL_RIGHT,
4120   EL_TUBE_ANY,
4121   EL_TUBE_VERTICAL_LEFT,
4122
4123   EL_TUBE_VERTICAL,
4124   EL_TUBE_RIGHT_UP,
4125   EL_TUBE_HORIZONTAL_UP,
4126   EL_TUBE_LEFT_UP,
4127
4128   EL_TRAP,
4129   EL_DX_SUPABOMB,
4130   EL_EMPTY,
4131   EL_EMPTY
4132 };
4133 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4134 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4135 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4136 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4137
4138 static int editor_hl_chars[] =
4139 {
4140   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4141   EL_CHAR('T'),
4142   EL_CHAR('X'),
4143   EL_CHAR('T'),
4144 };
4145
4146 static int editor_el_chars[] =
4147 {
4148   EL_CHAR(' '),
4149   EL_CHAR('!'),
4150   EL_CHAR('"'),
4151   EL_CHAR('#'),
4152
4153   EL_CHAR('$'),
4154   EL_CHAR('%'),
4155   EL_CHAR('&'),
4156   EL_CHAR('\''),
4157
4158   EL_CHAR('('),
4159   EL_CHAR(')'),
4160   EL_CHAR('*'),
4161   EL_CHAR('+'),
4162
4163   EL_CHAR(','),
4164   EL_CHAR('-'),
4165   EL_CHAR('.'),
4166   EL_CHAR('/'),
4167
4168   EL_CHAR('0'),
4169   EL_CHAR('1'),
4170   EL_CHAR('2'),
4171   EL_CHAR('3'),
4172
4173   EL_CHAR('4'),
4174   EL_CHAR('5'),
4175   EL_CHAR('6'),
4176   EL_CHAR('7'),
4177
4178   EL_CHAR('8'),
4179   EL_CHAR('9'),
4180   EL_CHAR(':'),
4181   EL_CHAR(';'),
4182
4183   EL_CHAR('<'),
4184   EL_CHAR('='),
4185   EL_CHAR('>'),
4186   EL_CHAR('?'),
4187
4188   EL_CHAR('@'),
4189   EL_CHAR('A'),
4190   EL_CHAR('B'),
4191   EL_CHAR('C'),
4192
4193   EL_CHAR('D'),
4194   EL_CHAR('E'),
4195   EL_CHAR('F'),
4196   EL_CHAR('G'),
4197
4198   EL_CHAR('H'),
4199   EL_CHAR('I'),
4200   EL_CHAR('J'),
4201   EL_CHAR('K'),
4202
4203   EL_CHAR('L'),
4204   EL_CHAR('M'),
4205   EL_CHAR('N'),
4206   EL_CHAR('O'),
4207
4208   EL_CHAR('P'),
4209   EL_CHAR('Q'),
4210   EL_CHAR('R'),
4211   EL_CHAR('S'),
4212
4213   EL_CHAR('T'),
4214   EL_CHAR('U'),
4215   EL_CHAR('V'),
4216   EL_CHAR('W'),
4217
4218   EL_CHAR('X'),
4219   EL_CHAR('Y'),
4220   EL_CHAR('Z'),
4221   EL_CHAR('['),
4222
4223   EL_CHAR('\\'),
4224   EL_CHAR(']'),
4225   EL_CHAR('^'),
4226   EL_CHAR('_'),
4227
4228   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4229   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4230   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4231   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4232
4233   EL_CHAR(CHAR_BYTE_DEGREE),
4234   EL_CHAR(CHAR_BYTE_REGISTERED),
4235   EL_CHAR(FONT_ASCII_CURSOR),
4236   EL_CHAR(FONT_ASCII_BUTTON),
4237
4238   EL_CHAR(FONT_ASCII_UP),
4239   EL_CHAR(FONT_ASCII_DOWN),
4240   EL_CHAR(' '),
4241   EL_CHAR(' ')
4242 };
4243 static int *editor_hl_chars_ptr = editor_hl_chars;
4244 static int *editor_el_chars_ptr = editor_el_chars;
4245 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4246 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4247
4248 static int editor_hl_steel_chars[] =
4249 {
4250   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4251   EL_STEEL_CHAR('T'),
4252   EL_STEEL_CHAR('X'),
4253   EL_STEEL_CHAR('T'),
4254 };
4255
4256 static int editor_el_steel_chars[] =
4257 {
4258   EL_STEEL_CHAR(' '),
4259   EL_STEEL_CHAR('!'),
4260   EL_STEEL_CHAR('"'),
4261   EL_STEEL_CHAR('#'),
4262
4263   EL_STEEL_CHAR('$'),
4264   EL_STEEL_CHAR('%'),
4265   EL_STEEL_CHAR('&'),
4266   EL_STEEL_CHAR('\''),
4267
4268   EL_STEEL_CHAR('('),
4269   EL_STEEL_CHAR(')'),
4270   EL_STEEL_CHAR('*'),
4271   EL_STEEL_CHAR('+'),
4272
4273   EL_STEEL_CHAR(','),
4274   EL_STEEL_CHAR('-'),
4275   EL_STEEL_CHAR('.'),
4276   EL_STEEL_CHAR('/'),
4277
4278   EL_STEEL_CHAR('0'),
4279   EL_STEEL_CHAR('1'),
4280   EL_STEEL_CHAR('2'),
4281   EL_STEEL_CHAR('3'),
4282
4283   EL_STEEL_CHAR('4'),
4284   EL_STEEL_CHAR('5'),
4285   EL_STEEL_CHAR('6'),
4286   EL_STEEL_CHAR('7'),
4287
4288   EL_STEEL_CHAR('8'),
4289   EL_STEEL_CHAR('9'),
4290   EL_STEEL_CHAR(':'),
4291   EL_STEEL_CHAR(';'),
4292
4293   EL_STEEL_CHAR('<'),
4294   EL_STEEL_CHAR('='),
4295   EL_STEEL_CHAR('>'),
4296   EL_STEEL_CHAR('?'),
4297
4298   EL_STEEL_CHAR('@'),
4299   EL_STEEL_CHAR('A'),
4300   EL_STEEL_CHAR('B'),
4301   EL_STEEL_CHAR('C'),
4302
4303   EL_STEEL_CHAR('D'),
4304   EL_STEEL_CHAR('E'),
4305   EL_STEEL_CHAR('F'),
4306   EL_STEEL_CHAR('G'),
4307
4308   EL_STEEL_CHAR('H'),
4309   EL_STEEL_CHAR('I'),
4310   EL_STEEL_CHAR('J'),
4311   EL_STEEL_CHAR('K'),
4312
4313   EL_STEEL_CHAR('L'),
4314   EL_STEEL_CHAR('M'),
4315   EL_STEEL_CHAR('N'),
4316   EL_STEEL_CHAR('O'),
4317
4318   EL_STEEL_CHAR('P'),
4319   EL_STEEL_CHAR('Q'),
4320   EL_STEEL_CHAR('R'),
4321   EL_STEEL_CHAR('S'),
4322
4323   EL_STEEL_CHAR('T'),
4324   EL_STEEL_CHAR('U'),
4325   EL_STEEL_CHAR('V'),
4326   EL_STEEL_CHAR('W'),
4327
4328   EL_STEEL_CHAR('X'),
4329   EL_STEEL_CHAR('Y'),
4330   EL_STEEL_CHAR('Z'),
4331   EL_STEEL_CHAR('['),
4332
4333   EL_STEEL_CHAR('\\'),
4334   EL_STEEL_CHAR(']'),
4335   EL_STEEL_CHAR('^'),
4336   EL_STEEL_CHAR('_'),
4337
4338   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4339   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4340   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4341   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4342
4343   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4344   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4345   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4346   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4347
4348   EL_STEEL_CHAR(FONT_ASCII_UP),
4349   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4350   EL_STEEL_CHAR(' '),
4351   EL_STEEL_CHAR(' ')
4352 };
4353 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4354 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4355 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4356 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4357
4358 static int editor_hl_custom[] =
4359 {
4360   EL_INTERNAL_CASCADE_CE_ACTIVE,
4361   EL_CHAR('C'),
4362   EL_CHAR('E'),
4363   EL_EMPTY,
4364 };
4365
4366 static int editor_el_custom[] =
4367 {
4368   EL_CUSTOM_START + 0,
4369   EL_CUSTOM_START + 1,
4370   EL_CUSTOM_START + 2,
4371   EL_CUSTOM_START + 3,
4372
4373   EL_CUSTOM_START + 4,
4374   EL_CUSTOM_START + 5,
4375   EL_CUSTOM_START + 6,
4376   EL_CUSTOM_START + 7,
4377
4378   EL_CUSTOM_START + 8,
4379   EL_CUSTOM_START + 9,
4380   EL_CUSTOM_START + 10,
4381   EL_CUSTOM_START + 11,
4382
4383   EL_CUSTOM_START + 12,
4384   EL_CUSTOM_START + 13,
4385   EL_CUSTOM_START + 14,
4386   EL_CUSTOM_START + 15,
4387
4388   EL_CUSTOM_START + 16,
4389   EL_CUSTOM_START + 17,
4390   EL_CUSTOM_START + 18,
4391   EL_CUSTOM_START + 19,
4392
4393   EL_CUSTOM_START + 20,
4394   EL_CUSTOM_START + 21,
4395   EL_CUSTOM_START + 22,
4396   EL_CUSTOM_START + 23,
4397
4398   EL_CUSTOM_START + 24,
4399   EL_CUSTOM_START + 25,
4400   EL_CUSTOM_START + 26,
4401   EL_CUSTOM_START + 27,
4402
4403   EL_CUSTOM_START + 28,
4404   EL_CUSTOM_START + 29,
4405   EL_CUSTOM_START + 30,
4406   EL_CUSTOM_START + 31,
4407
4408   EL_CUSTOM_START + 32,
4409   EL_CUSTOM_START + 33,
4410   EL_CUSTOM_START + 34,
4411   EL_CUSTOM_START + 35,
4412
4413   EL_CUSTOM_START + 36,
4414   EL_CUSTOM_START + 37,
4415   EL_CUSTOM_START + 38,
4416   EL_CUSTOM_START + 39,
4417
4418   EL_CUSTOM_START + 40,
4419   EL_CUSTOM_START + 41,
4420   EL_CUSTOM_START + 42,
4421   EL_CUSTOM_START + 43,
4422
4423   EL_CUSTOM_START + 44,
4424   EL_CUSTOM_START + 45,
4425   EL_CUSTOM_START + 46,
4426   EL_CUSTOM_START + 47,
4427
4428   EL_CUSTOM_START + 48,
4429   EL_CUSTOM_START + 49,
4430   EL_CUSTOM_START + 50,
4431   EL_CUSTOM_START + 51,
4432
4433   EL_CUSTOM_START + 52,
4434   EL_CUSTOM_START + 53,
4435   EL_CUSTOM_START + 54,
4436   EL_CUSTOM_START + 55,
4437
4438   EL_CUSTOM_START + 56,
4439   EL_CUSTOM_START + 57,
4440   EL_CUSTOM_START + 58,
4441   EL_CUSTOM_START + 59,
4442
4443   EL_CUSTOM_START + 60,
4444   EL_CUSTOM_START + 61,
4445   EL_CUSTOM_START + 62,
4446   EL_CUSTOM_START + 63,
4447
4448   EL_CUSTOM_START + 64,
4449   EL_CUSTOM_START + 65,
4450   EL_CUSTOM_START + 66,
4451   EL_CUSTOM_START + 67,
4452
4453   EL_CUSTOM_START + 68,
4454   EL_CUSTOM_START + 69,
4455   EL_CUSTOM_START + 70,
4456   EL_CUSTOM_START + 71,
4457
4458   EL_CUSTOM_START + 72,
4459   EL_CUSTOM_START + 73,
4460   EL_CUSTOM_START + 74,
4461   EL_CUSTOM_START + 75,
4462
4463   EL_CUSTOM_START + 76,
4464   EL_CUSTOM_START + 77,
4465   EL_CUSTOM_START + 78,
4466   EL_CUSTOM_START + 79,
4467
4468   EL_CUSTOM_START + 80,
4469   EL_CUSTOM_START + 81,
4470   EL_CUSTOM_START + 82,
4471   EL_CUSTOM_START + 83,
4472
4473   EL_CUSTOM_START + 84,
4474   EL_CUSTOM_START + 85,
4475   EL_CUSTOM_START + 86,
4476   EL_CUSTOM_START + 87,
4477
4478   EL_CUSTOM_START + 88,
4479   EL_CUSTOM_START + 89,
4480   EL_CUSTOM_START + 90,
4481   EL_CUSTOM_START + 91,
4482
4483   EL_CUSTOM_START + 92,
4484   EL_CUSTOM_START + 93,
4485   EL_CUSTOM_START + 94,
4486   EL_CUSTOM_START + 95,
4487
4488   EL_CUSTOM_START + 96,
4489   EL_CUSTOM_START + 97,
4490   EL_CUSTOM_START + 98,
4491   EL_CUSTOM_START + 99,
4492
4493   EL_CUSTOM_START + 100,
4494   EL_CUSTOM_START + 101,
4495   EL_CUSTOM_START + 102,
4496   EL_CUSTOM_START + 103,
4497
4498   EL_CUSTOM_START + 104,
4499   EL_CUSTOM_START + 105,
4500   EL_CUSTOM_START + 106,
4501   EL_CUSTOM_START + 107,
4502
4503   EL_CUSTOM_START + 108,
4504   EL_CUSTOM_START + 109,
4505   EL_CUSTOM_START + 110,
4506   EL_CUSTOM_START + 111,
4507
4508   EL_CUSTOM_START + 112,
4509   EL_CUSTOM_START + 113,
4510   EL_CUSTOM_START + 114,
4511   EL_CUSTOM_START + 115,
4512
4513   EL_CUSTOM_START + 116,
4514   EL_CUSTOM_START + 117,
4515   EL_CUSTOM_START + 118,
4516   EL_CUSTOM_START + 119,
4517
4518   EL_CUSTOM_START + 120,
4519   EL_CUSTOM_START + 121,
4520   EL_CUSTOM_START + 122,
4521   EL_CUSTOM_START + 123,
4522
4523   EL_CUSTOM_START + 124,
4524   EL_CUSTOM_START + 125,
4525   EL_CUSTOM_START + 126,
4526   EL_CUSTOM_START + 127,
4527
4528   EL_CUSTOM_START + 128,
4529   EL_CUSTOM_START + 129,
4530   EL_CUSTOM_START + 130,
4531   EL_CUSTOM_START + 131,
4532
4533   EL_CUSTOM_START + 132,
4534   EL_CUSTOM_START + 133,
4535   EL_CUSTOM_START + 134,
4536   EL_CUSTOM_START + 135,
4537
4538   EL_CUSTOM_START + 136,
4539   EL_CUSTOM_START + 137,
4540   EL_CUSTOM_START + 138,
4541   EL_CUSTOM_START + 139,
4542
4543   EL_CUSTOM_START + 140,
4544   EL_CUSTOM_START + 141,
4545   EL_CUSTOM_START + 142,
4546   EL_CUSTOM_START + 143,
4547
4548   EL_CUSTOM_START + 144,
4549   EL_CUSTOM_START + 145,
4550   EL_CUSTOM_START + 146,
4551   EL_CUSTOM_START + 147,
4552
4553   EL_CUSTOM_START + 148,
4554   EL_CUSTOM_START + 149,
4555   EL_CUSTOM_START + 150,
4556   EL_CUSTOM_START + 151,
4557
4558   EL_CUSTOM_START + 152,
4559   EL_CUSTOM_START + 153,
4560   EL_CUSTOM_START + 154,
4561   EL_CUSTOM_START + 155,
4562
4563   EL_CUSTOM_START + 156,
4564   EL_CUSTOM_START + 157,
4565   EL_CUSTOM_START + 158,
4566   EL_CUSTOM_START + 159,
4567
4568   EL_CUSTOM_START + 160,
4569   EL_CUSTOM_START + 161,
4570   EL_CUSTOM_START + 162,
4571   EL_CUSTOM_START + 163,
4572
4573   EL_CUSTOM_START + 164,
4574   EL_CUSTOM_START + 165,
4575   EL_CUSTOM_START + 166,
4576   EL_CUSTOM_START + 167,
4577
4578   EL_CUSTOM_START + 168,
4579   EL_CUSTOM_START + 169,
4580   EL_CUSTOM_START + 170,
4581   EL_CUSTOM_START + 171,
4582
4583   EL_CUSTOM_START + 172,
4584   EL_CUSTOM_START + 173,
4585   EL_CUSTOM_START + 174,
4586   EL_CUSTOM_START + 175,
4587
4588   EL_CUSTOM_START + 176,
4589   EL_CUSTOM_START + 177,
4590   EL_CUSTOM_START + 178,
4591   EL_CUSTOM_START + 179,
4592
4593   EL_CUSTOM_START + 180,
4594   EL_CUSTOM_START + 181,
4595   EL_CUSTOM_START + 182,
4596   EL_CUSTOM_START + 183,
4597
4598   EL_CUSTOM_START + 184,
4599   EL_CUSTOM_START + 185,
4600   EL_CUSTOM_START + 186,
4601   EL_CUSTOM_START + 187,
4602
4603   EL_CUSTOM_START + 188,
4604   EL_CUSTOM_START + 189,
4605   EL_CUSTOM_START + 190,
4606   EL_CUSTOM_START + 191,
4607
4608   EL_CUSTOM_START + 192,
4609   EL_CUSTOM_START + 193,
4610   EL_CUSTOM_START + 194,
4611   EL_CUSTOM_START + 195,
4612
4613   EL_CUSTOM_START + 196,
4614   EL_CUSTOM_START + 197,
4615   EL_CUSTOM_START + 198,
4616   EL_CUSTOM_START + 199,
4617
4618   EL_CUSTOM_START + 200,
4619   EL_CUSTOM_START + 201,
4620   EL_CUSTOM_START + 202,
4621   EL_CUSTOM_START + 203,
4622
4623   EL_CUSTOM_START + 204,
4624   EL_CUSTOM_START + 205,
4625   EL_CUSTOM_START + 206,
4626   EL_CUSTOM_START + 207,
4627
4628   EL_CUSTOM_START + 208,
4629   EL_CUSTOM_START + 209,
4630   EL_CUSTOM_START + 210,
4631   EL_CUSTOM_START + 211,
4632
4633   EL_CUSTOM_START + 212,
4634   EL_CUSTOM_START + 213,
4635   EL_CUSTOM_START + 214,
4636   EL_CUSTOM_START + 215,
4637
4638   EL_CUSTOM_START + 216,
4639   EL_CUSTOM_START + 217,
4640   EL_CUSTOM_START + 218,
4641   EL_CUSTOM_START + 219,
4642
4643   EL_CUSTOM_START + 220,
4644   EL_CUSTOM_START + 221,
4645   EL_CUSTOM_START + 222,
4646   EL_CUSTOM_START + 223,
4647
4648   EL_CUSTOM_START + 224,
4649   EL_CUSTOM_START + 225,
4650   EL_CUSTOM_START + 226,
4651   EL_CUSTOM_START + 227,
4652
4653   EL_CUSTOM_START + 228,
4654   EL_CUSTOM_START + 229,
4655   EL_CUSTOM_START + 230,
4656   EL_CUSTOM_START + 231,
4657
4658   EL_CUSTOM_START + 232,
4659   EL_CUSTOM_START + 233,
4660   EL_CUSTOM_START + 234,
4661   EL_CUSTOM_START + 235,
4662
4663   EL_CUSTOM_START + 236,
4664   EL_CUSTOM_START + 237,
4665   EL_CUSTOM_START + 238,
4666   EL_CUSTOM_START + 239,
4667
4668   EL_CUSTOM_START + 240,
4669   EL_CUSTOM_START + 241,
4670   EL_CUSTOM_START + 242,
4671   EL_CUSTOM_START + 243,
4672
4673   EL_CUSTOM_START + 244,
4674   EL_CUSTOM_START + 245,
4675   EL_CUSTOM_START + 246,
4676   EL_CUSTOM_START + 247,
4677
4678   EL_CUSTOM_START + 248,
4679   EL_CUSTOM_START + 249,
4680   EL_CUSTOM_START + 250,
4681   EL_CUSTOM_START + 251,
4682
4683   EL_CUSTOM_START + 252,
4684   EL_CUSTOM_START + 253,
4685   EL_CUSTOM_START + 254,
4686   EL_CUSTOM_START + 255
4687 };
4688 static int *editor_hl_custom_ptr = editor_hl_custom;
4689 static int *editor_el_custom_ptr = editor_el_custom;
4690 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4691 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4692
4693 static int editor_hl_group[] =
4694 {
4695   EL_INTERNAL_CASCADE_GE_ACTIVE,
4696   EL_CHAR('G'),
4697   EL_CHAR('E'),
4698   EL_EMPTY,
4699 };
4700
4701 static int editor_el_group[] =
4702 {
4703   EL_GROUP_START + 0,
4704   EL_GROUP_START + 1,
4705   EL_GROUP_START + 2,
4706   EL_GROUP_START + 3,
4707
4708   EL_GROUP_START + 4,
4709   EL_GROUP_START + 5,
4710   EL_GROUP_START + 6,
4711   EL_GROUP_START + 7,
4712
4713   EL_GROUP_START + 8,
4714   EL_GROUP_START + 9,
4715   EL_GROUP_START + 10,
4716   EL_GROUP_START + 11,
4717
4718   EL_GROUP_START + 12,
4719   EL_GROUP_START + 13,
4720   EL_GROUP_START + 14,
4721   EL_GROUP_START + 15,
4722
4723   EL_GROUP_START + 16,
4724   EL_GROUP_START + 17,
4725   EL_GROUP_START + 18,
4726   EL_GROUP_START + 19,
4727
4728   EL_GROUP_START + 20,
4729   EL_GROUP_START + 21,
4730   EL_GROUP_START + 22,
4731   EL_GROUP_START + 23,
4732
4733   EL_GROUP_START + 24,
4734   EL_GROUP_START + 25,
4735   EL_GROUP_START + 26,
4736   EL_GROUP_START + 27,
4737
4738   EL_GROUP_START + 28,
4739   EL_GROUP_START + 29,
4740   EL_GROUP_START + 30,
4741   EL_GROUP_START + 31
4742 };
4743 static int *editor_hl_group_ptr = editor_hl_group;
4744 static int *editor_el_group_ptr = editor_el_group;
4745 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4746 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4747
4748 static int editor_hl_reference[] =
4749 {
4750   EL_INTERNAL_CASCADE_REF_ACTIVE,
4751   EL_CHAR('R'),
4752   EL_CHAR('E'),
4753   EL_CHAR('F')
4754 };
4755
4756 static int editor_el_reference[] =
4757 {
4758   EL_TRIGGER_PLAYER,
4759   EL_TRIGGER_ELEMENT,
4760   EL_TRIGGER_CE_VALUE,
4761   EL_TRIGGER_CE_SCORE,
4762
4763   EL_SELF,
4764   EL_ANY_ELEMENT,
4765   EL_CURRENT_CE_VALUE,
4766   EL_CURRENT_CE_SCORE,
4767
4768   EL_PREV_CE_8,
4769   EL_PREV_CE_7,
4770   EL_PREV_CE_6,
4771   EL_PREV_CE_5,
4772
4773   EL_PREV_CE_4,
4774   EL_PREV_CE_3,
4775   EL_PREV_CE_2,
4776   EL_PREV_CE_1,
4777
4778   EL_NEXT_CE_1,
4779   EL_NEXT_CE_2,
4780   EL_NEXT_CE_3,
4781   EL_NEXT_CE_4,
4782
4783   EL_NEXT_CE_5,
4784   EL_NEXT_CE_6,
4785   EL_NEXT_CE_7,
4786   EL_NEXT_CE_8,
4787 };
4788 static int *editor_hl_reference_ptr = editor_hl_reference;
4789 static int *editor_el_reference_ptr = editor_el_reference;
4790 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4791 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4792
4793 static int editor_hl_user_defined[] =
4794 {
4795   EL_INTERNAL_CASCADE_USER_ACTIVE,
4796   EL_CHAR('M'),
4797   EL_CHAR('Y'),
4798   EL_EMPTY,
4799 };
4800
4801 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4802 static int *editor_el_user_defined_ptr = NULL;
4803 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4804 static int num_editor_el_user_defined = 0;
4805
4806 static int editor_hl_dynamic[] =
4807 {
4808   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4809   EL_CHAR('U'),
4810   EL_CHAR('S'),
4811   EL_CHAR('E'),
4812 };
4813
4814 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4815 static int *editor_el_dynamic_ptr = NULL;
4816 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4817 static int num_editor_el_dynamic = 0;
4818
4819 static int editor_hl_empty[] = { EL_EMPTY };
4820 static int *editor_el_empty = NULL;     /* dynamically allocated */
4821
4822 static int *editor_hl_empty_ptr = editor_hl_empty;
4823 static int *editor_el_empty_ptr = NULL;
4824 static int num_editor_hl_empty = 0;
4825 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4826
4827 static boolean use_el_empty = FALSE;
4828
4829 static int *editor_elements = NULL;     /* dynamically allocated */
4830 static int num_editor_elements = 0;     /* dynamically determined */
4831
4832 static boolean setup_editor_cascade_never = FALSE;
4833
4834 static int editor_hl_unused[] = { EL_EMPTY };
4835 static int *editor_hl_unused_ptr = editor_hl_unused;
4836 static int num_editor_hl_unused = 0;
4837
4838 static struct
4839 {
4840   boolean *setup_value;
4841   boolean *setup_cascade_value;
4842
4843   int **headline_list;
4844   int *headline_list_size;
4845
4846   int **element_list;
4847   int *element_list_size;
4848
4849   boolean last_setup_value;
4850 }
4851 editor_elements_info[] =
4852 {
4853   {
4854     &setup.editor.el_classic,
4855     &setup_editor_cascade_never,
4856     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4857     &editor_el_players_ptr,             &num_editor_el_players
4858   },
4859   {
4860     &setup.editor.el_classic,
4861     &setup.editor_cascade.el_bd,
4862     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4863     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4864   },
4865   {
4866     &setup.editor.el_classic,
4867     &setup.editor_cascade.el_em,
4868     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4869     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4870   },
4871   {
4872     &setup.editor.el_classic,
4873     &setup.editor_cascade.el_emc,
4874     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4875     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4876   },
4877   {
4878     &setup.editor.el_classic,
4879     &setup.editor_cascade.el_rnd,
4880     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4881     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4882   },
4883   {
4884     &setup.editor.el_classic,
4885     &setup.editor_cascade.el_sb,
4886     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4887     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4888   },
4889   {
4890     &setup.editor.el_classic,
4891     &setup.editor_cascade.el_sp,
4892     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4893     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4894   },
4895   {
4896     &setup.editor.el_classic,
4897     &setup.editor_cascade.el_dc,
4898     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4899     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4900   },
4901   {
4902     &setup.editor.el_classic,
4903     &setup.editor_cascade.el_dx,
4904     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4905     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4906   },
4907   {
4908     &setup.editor.el_classic,
4909     &setup.editor_cascade.el_chars,
4910     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4911     &editor_el_chars_ptr,               &num_editor_el_chars
4912   },
4913   {
4914     &setup.editor.el_classic,
4915     &setup.editor_cascade.el_steel_chars,
4916     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4917     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4918   },
4919   {
4920     &setup.editor.el_custom,
4921     &setup.editor_cascade.el_ce,
4922     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4923     &editor_el_custom_ptr,              &num_editor_el_custom
4924   },
4925   {
4926     &setup.editor.el_custom,
4927     &setup.editor_cascade.el_ge,
4928     &editor_hl_group_ptr,               &num_editor_hl_group,
4929     &editor_el_group_ptr,               &num_editor_el_group
4930   },
4931   {
4932     &setup.editor.el_custom,
4933     &setup.editor_cascade.el_ref,
4934     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4935     &editor_el_reference_ptr,           &num_editor_el_reference
4936   },
4937   {
4938     &setup.editor.el_user_defined,
4939     &setup.editor_cascade.el_user,
4940     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4941     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4942   },
4943   {
4944     &setup.editor.el_dynamic,
4945     &setup.editor_cascade.el_dynamic,
4946     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4947     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4948   },
4949   {
4950     &use_el_empty,
4951     &use_el_empty,
4952     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4953     &editor_el_empty_ptr,               &num_editor_el_empty,
4954   },
4955   {
4956     NULL,
4957     NULL,
4958     NULL,                               NULL,
4959     NULL,                               NULL
4960   }
4961 };
4962
4963
4964 /*
4965   -----------------------------------------------------------------------------
4966   functions
4967   -----------------------------------------------------------------------------
4968 */
4969
4970 static int getMaxInfoTextLength()
4971 {
4972   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
4973 }
4974
4975 static int getTextWidthForGadget(char *text)
4976 {
4977   if (text == NULL)
4978     return 0;
4979
4980   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4981 }
4982
4983 static int getTextWidthForDrawingArea(char *text)
4984 {
4985   if (text == NULL)
4986     return 0;
4987
4988   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4989 }
4990
4991 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4992 {
4993   return (gi->x + gi->width + getTextWidthForGadget(text));
4994 }
4995
4996 static char *getElementInfoText(int element)
4997 {
4998   char *info_text = NULL;
4999
5000   if (element < MAX_NUM_ELEMENTS)
5001   {
5002     if (strlen(element_info[element].description) > 0)
5003       info_text = element_info[element].description;
5004     else if (element_info[element].custom_description != NULL)
5005       info_text = element_info[element].custom_description;
5006     else if (element_info[element].editor_description != NULL)
5007       info_text = element_info[element].editor_description;
5008   }
5009
5010   if (info_text == NULL)
5011     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5012
5013   return info_text;
5014 }
5015
5016 static char *getElementDescriptionFilenameExt(char *basename)
5017 {
5018   char *elements_subdir = "elements";
5019   static char *elements_subdir2 = NULL;
5020   static char *filename = NULL;
5021
5022   if (elements_subdir2 == NULL)
5023     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5024
5025   checked_free(filename);
5026
5027   /* 1st try: look for element description in current level set directory */
5028   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5029   if (fileExists(filename))
5030     return filename;
5031
5032   free(filename);
5033
5034   /* 2nd try: look for element description in the game's base directory */
5035   filename = getPath3(options.docs_directory, elements_subdir, basename);
5036   if (fileExists(filename))
5037     return filename;
5038
5039   return NULL;
5040 }
5041
5042 char *getElementDescriptionFilename(int element)
5043 {
5044   char basename[MAX_FILENAME_LEN];
5045   char *filename;
5046
5047   /* 1st try: look for element description file for exactly this element */
5048   sprintf(basename, "%s.txt", element_info[element].token_name);
5049   filename = getElementDescriptionFilenameExt(basename);
5050   if (filename != NULL)
5051     return filename;
5052
5053   /* 2nd try: look for element description file for this element's class */
5054   sprintf(basename, "%s.txt", element_info[element].class_name);
5055   filename = getElementDescriptionFilenameExt(basename);
5056   if (filename != NULL)
5057     return filename;
5058
5059   return NULL;
5060 }
5061
5062 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5063 {
5064   boolean element_found[NUM_FILE_ELEMENTS];
5065   int i, x, y;
5066
5067   /* initialize list of used elements to "not used" */
5068   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5069     element_found[i] = FALSE;
5070
5071   /* find all elements used in current level */
5072   for (y = 0; y < lev_fieldy; y++)
5073     for (x = 0; x < lev_fieldx; x++)
5074       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5075         element_found[Feld[x][y]] = TRUE;
5076
5077   *num_elements = 0;
5078
5079   /* count number of elements used in current level */
5080   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5081     if (element_found[i])
5082       (*num_elements)++;
5083
5084   /* add space for up to 3 more elements for padding that may be needed */
5085   *num_elements += 3;
5086
5087   /* free memory for old list of elements, if needed */
5088   checked_free(*elements);
5089
5090   /* allocate memory for new list of elements */
5091   *elements = checked_malloc(*num_elements * sizeof(int));
5092
5093   *num_elements = 0;
5094
5095   /* add all elements used in current level (non-custom/group elements) */
5096   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5097     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5098       (*elements)[(*num_elements)++] = i;
5099
5100   /* add all elements used in current level (custom/group elements) */
5101   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5102     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5103       (*elements)[(*num_elements)++] = i;
5104
5105   while (*num_elements % 4)     /* pad with empty elements, if needed */
5106     (*elements)[(*num_elements)++] = EL_EMPTY;
5107 }
5108
5109 static void ReinitializeElementList()
5110 {
5111   static boolean initialization_needed = TRUE;
5112   int pos = 0;
5113   int i, j;
5114
5115   if (initialization_needed)
5116   {
5117     LoadSetup_EditorCascade();          /* load last editor cascade state */
5118
5119     /* initialize editor cascade element from saved cascade state */
5120     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5121     {
5122       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5123       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5124
5125       if (IS_EDITOR_CASCADE(*cascade_element))
5126         *cascade_element =
5127           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5128            EL_CASCADE_INACTIVE(*cascade_element));
5129     }
5130
5131     initialization_needed = FALSE;
5132   }
5133
5134   checked_free(editor_elements);
5135
5136   /* reload optional user defined element list for each invocation of editor */
5137   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5138                                    &num_editor_el_user_defined);
5139
5140   /* initialize dynamic level element list for each invocation of editor */
5141   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5142                                &num_editor_el_dynamic);
5143
5144   /* initialize list of empty elements (used for padding, if needed) */
5145   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5146     editor_el_empty[i] = EL_EMPTY;
5147
5148   /* do some sanity checks for each element from element list */
5149   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5150   {
5151     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5152     {
5153       int element = (*editor_elements_info[i].element_list)[j];
5154
5155       if (element >= NUM_FILE_ELEMENTS)
5156         Error(ERR_WARN, "editor element %d is runtime element", element);
5157
5158       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5159         Error(ERR_WARN, "no element description for element %d", element);
5160     }
5161   }
5162
5163   num_editor_elements = 0;
5164   use_el_empty = FALSE;
5165
5166   /* determine size of element list */
5167   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5168   {
5169     boolean found_inactive_cascade = FALSE;
5170
5171     if (*editor_elements_info[i].setup_value)
5172     {
5173       if (setup.editor.el_headlines)
5174       {
5175         // required for correct padding of palette headline buttons
5176         if (*editor_elements_info[i].headline_list_size > 0)
5177           num_editor_elements += editor.palette.cols;
5178
5179         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5180         {
5181           int element = (*editor_elements_info[i].headline_list)[j];
5182
5183           if (IS_EDITOR_CASCADE_INACTIVE(element))
5184             found_inactive_cascade = TRUE;
5185         }
5186       }
5187
5188       if (found_inactive_cascade)
5189         continue;
5190
5191       // required for correct padding of palette element buttons
5192       int element_list_size = *editor_elements_info[i].element_list_size;
5193       int element_rows =
5194         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5195       int element_buttons = editor.palette.cols * element_rows;
5196
5197       num_editor_elements += element_buttons;
5198     }
5199   }
5200
5201   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5202   {
5203     /* offer at least as many elements as element buttons exist */
5204     use_el_empty = TRUE;
5205     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5206
5207     num_editor_elements += num_editor_el_empty;
5208   }
5209
5210   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5211
5212   /* fill element list */
5213   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5214   {
5215     boolean found_inactive_cascade = FALSE;
5216
5217     if (*editor_elements_info[i].setup_value)
5218     {
5219       if (setup.editor.el_headlines)
5220       {
5221         // required for correct padding of palette headline buttons
5222         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5223                              editor.palette.cols : 0);
5224
5225         for (j = 0; j < headline_size; j++)
5226         {
5227           // use empty elements for padding of palette headline buttons
5228           int element = (j < *editor_elements_info[i].headline_list_size ?
5229                          (*editor_elements_info[i].headline_list)[j] :
5230                          editor_el_empty[0]);
5231
5232           editor_elements[pos++] = element;
5233
5234           if (IS_EDITOR_CASCADE_INACTIVE(element))
5235             found_inactive_cascade = TRUE;
5236         }
5237       }
5238
5239       if (found_inactive_cascade)
5240         continue;
5241
5242       // required for correct padding of palette element buttons
5243       int element_list_size = *editor_elements_info[i].element_list_size;
5244       int element_rows =
5245         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5246       int element_buttons = editor.palette.cols * element_rows;
5247
5248       // copy all elements from element list
5249       for (j = 0; j < element_list_size; j++)
5250         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5251
5252       // use empty elements for padding of palette element buttons
5253       for (j = 0; j < element_buttons - element_list_size; j++)
5254         editor_elements[pos++] = editor_el_empty[0];
5255     }
5256   }
5257
5258   /* (this function is also called before editor gadgets are initialized!) */
5259   AdjustElementListScrollbar();
5260 }
5261
5262 void PrintEditorElementList()
5263 {
5264   boolean *stop = &setup.editor.el_user_defined;
5265   int i, j;
5266
5267   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5268   {
5269     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5270
5271     if (IS_EDITOR_CASCADE(cascade_element))
5272     {
5273       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5274       char *headline = element_info[cascade_element_show].editor_description;
5275
5276       PrintLineWithPrefix("# ", "-", 77);
5277       Print("# %s\n", headline);
5278       PrintLineWithPrefix("# ", "-", 77);
5279     }
5280
5281     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5282     {
5283       int element = (*editor_elements_info[i].headline_list)[j];
5284
5285       if (IS_EDITOR_CASCADE(element))
5286         element = EL_CHAR_MINUS;
5287
5288       Print("# %s\n", element_info[element].token_name);
5289     }
5290
5291     if (j > 0)
5292       Print("#\n");
5293
5294     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5295     {
5296       int element = (*editor_elements_info[i].element_list)[j];
5297
5298       Print("# %s\n", element_info[element].token_name);
5299     }
5300
5301     if (j > 0)
5302       Print("#\n");
5303   }
5304 }
5305
5306 static void ReinitializeElementListButtons()
5307 {
5308   static boolean last_setup_value_headlines = FALSE;
5309   static boolean initialization_needed = TRUE;
5310   int i;
5311
5312   if (!initialization_needed)   /* check if editor element setup has changed */
5313   {
5314     if (last_setup_value_headlines != setup.editor.el_headlines)
5315       initialization_needed = TRUE;
5316
5317     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5318       if (editor_elements_info[i].last_setup_value !=
5319           *editor_elements_info[i].setup_value)
5320         initialization_needed = TRUE;
5321   }
5322
5323   if (!initialization_needed)
5324     return;
5325
5326   FreeLevelEditorGadgets();
5327   CreateLevelEditorGadgets();
5328
5329   /* store current setup values for next invocation of this function */
5330   last_setup_value_headlines = setup.editor.el_headlines;
5331   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5332     editor_elements_info[i].last_setup_value =
5333       *editor_elements_info[i].setup_value;
5334
5335   initialization_needed = FALSE;
5336 }
5337
5338 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5339                               boolean input)
5340 {
5341   int border_graphic =
5342     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5343   struct GraphicInfo *g = &graphic_info[border_graphic];
5344   Bitmap *src_bitmap = g->bitmap;
5345   int src_x = g->src_x;
5346   int src_y = g->src_y;
5347   int border_size = g->border_size;
5348   int border_xpos = g->width  - border_size;
5349   int border_ypos = g->height - border_size;
5350   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5351   int i;
5352
5353   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5354              border_size, border_size,
5355              dest_x - border_size, dest_y - border_size);
5356   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5357              border_size, border_size,
5358              dest_x + width, dest_y - border_size);
5359   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5360              border_size, border_size,
5361              dest_x - border_size, dest_y + height);
5362   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5363              border_size, border_size,
5364              dest_x + width, dest_y + height);
5365
5366   for (i = 0; i < width / tilesize; i++)
5367   {
5368     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5369                tilesize, border_size,
5370                dest_x + i * tilesize, dest_y - border_size);
5371     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5372                tilesize, border_size,
5373                dest_x + i * tilesize, dest_y + height);
5374   }
5375
5376   for (i = 0; i < height / tilesize; i++)
5377   {
5378     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5379                border_size, tilesize,
5380                dest_x - border_size, dest_y + i * tilesize);
5381     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5382                border_size, tilesize,
5383                dest_x + width, dest_y + i * tilesize);
5384   }
5385
5386   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5387 }
5388
5389 static void DrawEditorElement(int x, int y, int element)
5390 {
5391   DrawSizedElement(x, y, element, ed_tilesize);
5392 }
5393
5394 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5395 {
5396   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5397 }
5398
5399 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5400 {
5401   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5402 }
5403
5404 static void DrawDrawingArea(int id)
5405 {
5406   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5407   int x, y;
5408
5409   int *value = drawingarea_info[id].value;
5410   int area_xsize = drawingarea_info[id].area_xsize;
5411   int area_ysize = drawingarea_info[id].area_ysize;
5412   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5413
5414   for (x = 0; x < area_xsize; x++)
5415     for (y = 0; y < area_ysize; y++)
5416       DrawSizedGraphicExt(drawto,
5417                           gi->x + x * tilesize,
5418                           gi->y + y * tilesize,
5419                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5420 }
5421
5422 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5423 {
5424   int x, y;
5425   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5426   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5427
5428   BlitBitmap(drawto, drawto,
5429              SX + (dx == -1 ? ed_tilesize : 0),
5430              SY + (dy == -1 ? ed_tilesize : 0),
5431              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5432              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5433              SX + (dx == +1 ? ed_tilesize : 0),
5434              SY + (dy == +1 ? ed_tilesize : 0));
5435
5436   if (dx)
5437   {
5438     x = (dx == 1 ? 0 : ed_fieldx - 1);
5439     for (y = 0; y < ed_fieldy; y++)
5440       DrawEditorElementOrWall(x, y, from_x, from_y);
5441   }
5442   else if (dy)
5443   {
5444     y = (dy == 1 ? 0 : ed_fieldy - 1);
5445     for (x = 0; x < ed_fieldx; x++)
5446       DrawEditorElementOrWall(x, y, from_x, from_y);
5447   }
5448
5449   redraw_mask |= REDRAW_FIELD;
5450   BackToFront();
5451 }
5452
5453 void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
5454                             int *x, int *y)
5455 {
5456   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
5457 }
5458
5459 static void CreateControlButtons()
5460 {
5461   struct GadgetInfo *gi;
5462   int i;
5463
5464   /* create toolbox buttons */
5465   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5466   {
5467     int id = controlbutton_info[i].gadget_id;
5468     int type = controlbutton_info[i].gadget_type;
5469     int graphic = controlbutton_info[i].graphic;
5470     struct XYTileSize *pos = controlbutton_info[i].pos;
5471     struct GraphicInfo *gd = &graphic_info[graphic];
5472     Bitmap *deco_bitmap = NULL;
5473     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
5474     int tile_size = 0, deco_shift = 0;
5475     boolean deco_masked = FALSE;
5476     int gd_x1 = gd->src_x;
5477     int gd_y1 = gd->src_y;
5478     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5479     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5480     int gd_x1a = gd->src_x + gd->active_xoffset;
5481     int gd_y1a = gd->src_y + gd->active_yoffset;
5482     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5483     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5484     int x = pos->x;
5485     int y = pos->y;
5486     unsigned int event_mask;
5487     int radio_button_nr = RADIO_NR_NONE;
5488     boolean checked = FALSE;
5489
5490     if (type == GD_TYPE_RADIO_BUTTON)
5491     {
5492       event_mask = GD_EVENT_PRESSED;
5493       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5494
5495       if (id == drawing_function)
5496         checked = TRUE;
5497     }
5498     else
5499     {
5500       if (id == GADGET_ID_WRAP_LEFT ||
5501           id == GADGET_ID_WRAP_RIGHT ||
5502           id == GADGET_ID_WRAP_UP ||
5503           id == GADGET_ID_WRAP_DOWN)
5504         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5505       else
5506         event_mask = GD_EVENT_RELEASED;
5507     }
5508
5509     if (id == GADGET_ID_PROPERTIES ||
5510         id == GADGET_ID_PALETTE)
5511     {
5512       x += DX;
5513       y += DY;
5514     }
5515     else if (id == GADGET_ID_ELEMENT_LEFT ||
5516              id == GADGET_ID_ELEMENT_MIDDLE ||
5517              id == GADGET_ID_ELEMENT_RIGHT)
5518     {
5519       x += DX;
5520       y += DY;
5521
5522       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
5523                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
5524                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
5525
5526       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
5527                                    editor.button.element_left.tile_size :
5528                                    id == GADGET_ID_ELEMENT_MIDDLE ?
5529                                    editor.button.element_middle.tile_size :
5530                                    id == GADGET_ID_ELEMENT_RIGHT ?
5531                                    editor.button.element_right.tile_size : 0);
5532
5533       // make sure that decoration does not overlap gadget border
5534       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
5535
5536       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
5537
5538       deco_xpos = (gd->width  - tile_size) / 2;
5539       deco_ypos = (gd->height - tile_size) / 2;
5540       deco_shift = 1;
5541       deco_masked = gd->draw_masked;
5542     }
5543     else
5544     {
5545       x += EX;
5546       y += EY;
5547     }
5548
5549     gi = CreateGadget(GDI_CUSTOM_ID, id,
5550                       GDI_CUSTOM_TYPE_ID, i,
5551                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
5552                       GDI_X, x,
5553                       GDI_Y, y,
5554                       GDI_WIDTH, gd->width,
5555                       GDI_HEIGHT, gd->height,
5556                       GDI_TYPE, type,
5557                       GDI_STATE, GD_BUTTON_UNPRESSED,
5558                       GDI_RADIO_NR, radio_button_nr,
5559                       GDI_CHECKED, checked,
5560                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5561                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5562                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
5563                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
5564                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5565                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5566                       GDI_DECORATION_SIZE, tile_size, tile_size,
5567                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
5568                       GDI_DECORATION_MASKED, deco_masked,
5569                       GDI_EVENT_MASK, event_mask,
5570                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5571                       GDI_CALLBACK_ACTION, HandleControlButtons,
5572                       GDI_END);
5573
5574     if (gi == NULL)
5575       Error(ERR_EXIT, "cannot create gadget");
5576
5577     level_editor_gadget[id] = gi;
5578   }
5579
5580   /* these values are not constant, but can change at runtime */
5581   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5582   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5583   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5584   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5585   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5586   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5587   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5588   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5589   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
5590   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
5591   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
5592   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
5593
5594   /* create buttons for scrolling of drawing area and element list */
5595   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5596   {
5597     int id = scrollbutton_info[i].gadget_id;
5598     int graphic = scrollbutton_info[i].graphic;
5599     struct GraphicInfo *gd = &graphic_info[graphic];
5600     Bitmap *gd_bitmap = gd->bitmap;
5601     int gd_x1 = gd->src_x;
5602     int gd_y1 = gd->src_y;
5603     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5604     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5605     int width  = gd->width;
5606     int height = gd->height;
5607     int x = scrollbutton_pos[i].x;
5608     int y = scrollbutton_pos[i].y;
5609     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5610
5611     if (id == GADGET_ID_SCROLL_LIST_UP ||
5612         id == GADGET_ID_SCROLL_LIST_DOWN)
5613     {
5614       x += PX;
5615       y += PY;
5616     }
5617     else
5618     {
5619       x += SX;
5620       y += SY;
5621     }
5622
5623     gi = CreateGadget(GDI_CUSTOM_ID, id,
5624                       GDI_CUSTOM_TYPE_ID, i,
5625                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5626                       GDI_X, x,
5627                       GDI_Y, y,
5628                       GDI_WIDTH, width,
5629                       GDI_HEIGHT, height,
5630                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5631                       GDI_STATE, GD_BUTTON_UNPRESSED,
5632                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5633                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5634                       GDI_EVENT_MASK, event_mask,
5635                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5636                       GDI_CALLBACK_ACTION, HandleControlButtons,
5637                       GDI_END);
5638
5639     if (gi == NULL)
5640       Error(ERR_EXIT, "cannot create gadget");
5641
5642     level_editor_gadget[id] = gi;
5643   }
5644
5645   /* create buttons for element list */
5646   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5647   {
5648     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5649     int graphic = IMG_EDITOR_PALETTE_BUTTON;
5650     struct GraphicInfo *gd = &graphic_info[graphic];
5651     Bitmap *gd_bitmap = gd->bitmap;
5652     Bitmap *deco_bitmap;
5653     int deco_x, deco_y, deco_xpos, deco_ypos;
5654     int gd_x1 = gd->src_x;
5655     int gd_y1 = gd->src_y;
5656     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5657     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5658     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5659     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5660     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
5661     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
5662     int element = editor_elements[i];
5663     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
5664     unsigned int event_mask = GD_EVENT_RELEASED;
5665
5666     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
5667
5668     deco_xpos = (gd->width  - tile_size) / 2;
5669     deco_ypos = (gd->height - tile_size) / 2;
5670
5671     gi = CreateGadget(GDI_CUSTOM_ID, id,
5672                       GDI_CUSTOM_TYPE_ID, i,
5673                       GDI_INFO_TEXT, getElementInfoText(element),
5674                       GDI_X, x,
5675                       GDI_Y, y,
5676                       GDI_WIDTH, gd->width,
5677                       GDI_HEIGHT, gd->height,
5678                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5679                       GDI_STATE, GD_BUTTON_UNPRESSED,
5680                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5681                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5682                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5683                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5684                       GDI_DECORATION_SIZE, tile_size, tile_size,
5685                       GDI_DECORATION_SHIFTING, 1, 1,
5686                       GDI_EVENT_MASK, event_mask,
5687                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5688                       GDI_CALLBACK_ACTION, HandleControlButtons,
5689                       GDI_END);
5690
5691     if (gi == NULL)
5692       Error(ERR_EXIT, "cannot create gadget");
5693
5694     level_editor_gadget[id] = gi;
5695   }
5696 }
5697
5698 static void CreateCounterButtons()
5699 {
5700   int max_infotext_len = getMaxInfoTextLength();
5701   int i;
5702
5703   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5704   {
5705     int j;
5706     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
5707     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
5708
5709     /* determine horizontal position to the right of specified gadget */
5710     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5711       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5712            ED_GADGET_TEXT_DISTANCE);
5713
5714     /* determine horizontal offset for leading text */
5715     if (counterbutton_info[i].text_left != NULL)
5716       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5717
5718     for (j = 0; j < 2; j++)
5719     {
5720       struct GadgetInfo *gi;
5721       int id = (j == 0 ?
5722                 counterbutton_info[i].gadget_id_down :
5723                 counterbutton_info[i].gadget_id_up);
5724       int graphic;
5725       struct GraphicInfo *gd;
5726       int gd_x1, gd_x2, gd_y1, gd_y2;
5727       unsigned int event_mask;
5728       char infotext[max_infotext_len + 1];
5729
5730       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5731
5732       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5733       {
5734         graphic = (j == 0 ?
5735                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
5736                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
5737
5738         event_mask |= GD_EVENT_RELEASED;
5739
5740         if (j == 0)
5741         {
5742           x = DX + editor.button.prev_level.x;
5743           y = DY + editor.button.prev_level.y;
5744         }
5745         else
5746         {
5747           x = DX + editor.button.next_level.x;
5748           y = DY + editor.button.next_level.y;
5749         }
5750       }
5751       else
5752       {
5753         graphic = (j == 0 ?
5754                    IMG_EDITOR_COUNTER_DOWN :
5755                    IMG_EDITOR_COUNTER_UP);
5756       }
5757
5758       gd = &graphic_info[graphic];
5759
5760       gd_x1 = gd->src_x;
5761       gd_y1 = gd->src_y;
5762       gd_x2 = gd->src_x + gd->pressed_xoffset;
5763       gd_y2 = gd->src_y + gd->pressed_yoffset;
5764
5765       sprintf(infotext, "%s counter value by 1, 5 or 10",
5766               (j == 0 ? "decrease" : "increase"));
5767
5768       gi = CreateGadget(GDI_CUSTOM_ID, id,
5769                         GDI_CUSTOM_TYPE_ID, i,
5770                         GDI_INFO_TEXT, infotext,
5771                         GDI_X, x,
5772                         GDI_Y, y,
5773                         GDI_WIDTH, gd->width,
5774                         GDI_HEIGHT, gd->height,
5775                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5776                         GDI_STATE, GD_BUTTON_UNPRESSED,
5777                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5778                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5779                         GDI_EVENT_MASK, event_mask,
5780                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5781                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5782                         GDI_END);
5783
5784       if (gi == NULL)
5785         Error(ERR_EXIT, "cannot create gadget");
5786
5787       level_editor_gadget[id] = gi;
5788       right_gadget_border[id] =
5789         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5790
5791       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
5792
5793       if (j == 0)
5794       {
5795         int font_type = FONT_INPUT_1;
5796         int font_type_active = FONT_INPUT_1_ACTIVE;
5797
5798         id = counterbutton_info[i].gadget_id_text;
5799
5800         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5801
5802         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5803         {
5804           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
5805
5806           font_type = FONT_LEVEL_NUMBER;
5807           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5808
5809           x = DX + editor.input.level_number.x;
5810           y = DY + editor.input.level_number.y;
5811         }
5812         else
5813         {
5814           graphic = IMG_EDITOR_COUNTER_INPUT;
5815         }
5816
5817         gd = &graphic_info[graphic];
5818
5819         gd_x1 = gd->src_x;
5820         gd_y1 = gd->src_y;
5821         gd_x2 = gd->src_x + gd->active_xoffset;
5822         gd_y2 = gd->src_y + gd->active_yoffset;
5823
5824         gi = CreateGadget(GDI_CUSTOM_ID, id,
5825                           GDI_CUSTOM_TYPE_ID, i,
5826                           GDI_INFO_TEXT, "enter counter value",
5827                           GDI_X, x,
5828                           GDI_Y, y,
5829                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5830                           GDI_NUMBER_VALUE, 0,
5831                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5832                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5833                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5834                           GDI_TEXT_FONT, font_type,
5835                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5836                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5837                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5838                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5839                           GDI_DESIGN_WIDTH, gd->width,
5840                           GDI_EVENT_MASK, event_mask,
5841                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5842                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5843                           GDI_END);
5844
5845         if (gi == NULL)
5846           Error(ERR_EXIT, "cannot create gadget");
5847
5848         level_editor_gadget[id] = gi;
5849         right_gadget_border[id] =
5850           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5851
5852         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
5853       }
5854     }
5855   }
5856 }
5857
5858 static void CreateDrawingAreas()
5859 {
5860   int i;
5861
5862   /* these values are not constant, but can change at runtime */
5863   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
5864   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
5865
5866   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5867   {
5868     struct GadgetInfo *gi;
5869     unsigned int event_mask;
5870     int id = drawingarea_info[i].gadget_id;
5871     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
5872     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
5873     int area_xsize = drawingarea_info[i].area_xsize;
5874     int area_ysize = drawingarea_info[i].area_ysize;
5875     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
5876                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
5877
5878     event_mask =
5879       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5880       GD_EVENT_OFF_BORDERS;
5881
5882     /* determine horizontal position to the right of specified gadget */
5883     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5884       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5885            ED_DRAWINGAREA_TEXT_DISTANCE);
5886
5887     /* determine horizontal offset for leading text */
5888     if (drawingarea_info[i].text_left != NULL)
5889       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5890
5891     gi = CreateGadget(GDI_CUSTOM_ID, id,
5892                       GDI_CUSTOM_TYPE_ID, i,
5893                       GDI_X, x,
5894                       GDI_Y, y,
5895                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5896                       GDI_AREA_SIZE, area_xsize, area_ysize,
5897                       GDI_ITEM_SIZE, item_size, item_size,
5898                       GDI_EVENT_MASK, event_mask,
5899                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5900                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5901                       GDI_END);
5902
5903     if (gi == NULL)
5904       Error(ERR_EXIT, "cannot create gadget");
5905
5906     level_editor_gadget[id] = gi;
5907     right_gadget_border[id] =
5908       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5909   }
5910 }
5911
5912 static void CreateTextInputGadgets()
5913 {
5914   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
5915   int max_infotext_len = getMaxInfoTextLength();
5916   int i;
5917
5918   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5919   {
5920     int gd_x1 = gd->src_x;
5921     int gd_y1 = gd->src_y;
5922     int gd_x2 = gd->src_x + gd->active_xoffset;
5923     int gd_y2 = gd->src_y + gd->active_yoffset;
5924     struct GadgetInfo *gi;
5925     unsigned int event_mask;
5926     char infotext[MAX_OUTPUT_LINESIZE + 1];
5927     int id = textinput_info[i].gadget_id;
5928     int x, y;
5929
5930     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
5931     {
5932       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
5933       int border_size = gd->border_size;
5934       int font_nr = FONT_INPUT_1;
5935       int font_height = getFontHeight(font_nr);
5936       int xoffset = element_border + TILEX + element_border + 3 * border_size;
5937       int yoffset = element_border + (TILEY - font_height) / 2;
5938
5939       x = (editor.settings.element_name.x != -1 ?
5940            editor.settings.element_name.x :
5941            editor.settings.element_graphic.x + xoffset) - border_size;
5942       y = (editor.settings.element_name.y != -1 ?
5943            editor.settings.element_name.y :
5944            editor.settings.element_graphic.y + yoffset) - border_size;
5945     }
5946     else
5947     {
5948       x = ED_SETTINGS_X(textinput_info[i].x);
5949       y = ED_SETTINGS_Y(textinput_info[i].y);
5950     }
5951
5952     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5953
5954     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5955     infotext[max_infotext_len] = '\0';
5956
5957     gi = CreateGadget(GDI_CUSTOM_ID, id,
5958                       GDI_CUSTOM_TYPE_ID, i,
5959                       GDI_INFO_TEXT, infotext,
5960                       GDI_X, SX + x,
5961                       GDI_Y, SY + y,
5962                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5963                       GDI_TEXT_VALUE, textinput_info[i].value,
5964                       GDI_TEXT_SIZE, textinput_info[i].size,
5965                       GDI_TEXT_FONT, FONT_INPUT_1,
5966                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5967                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5968                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5969                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5970                       GDI_DESIGN_WIDTH, gd->width,
5971                       GDI_EVENT_MASK, event_mask,
5972                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5973                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5974                       GDI_END);
5975
5976     if (gi == NULL)
5977       Error(ERR_EXIT, "cannot create gadget");
5978
5979     level_editor_gadget[id] = gi;
5980   }
5981 }
5982
5983 static void CreateTextAreaGadgets()
5984 {
5985   int max_infotext_len = getMaxInfoTextLength();
5986   int i;
5987
5988   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5989   {
5990     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
5991     int gd_x1 = gd->src_x;
5992     int gd_y1 = gd->src_y;
5993     int gd_x2 = gd->src_x + gd->active_xoffset;
5994     int gd_y2 = gd->src_y + gd->active_yoffset;
5995     struct GadgetInfo *gi;
5996     unsigned int event_mask;
5997     char infotext[MAX_OUTPUT_LINESIZE + 1];
5998     int id = textarea_info[i].gadget_id;
5999     int area_xsize = textarea_info[i].xsize;
6000     int area_ysize = textarea_info[i].ysize;
6001
6002     event_mask = GD_EVENT_TEXT_LEAVING;
6003
6004     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6005     infotext[max_infotext_len] = '\0';
6006
6007     gi = CreateGadget(GDI_CUSTOM_ID, id,
6008                       GDI_CUSTOM_TYPE_ID, i,
6009                       GDI_INFO_TEXT, infotext,
6010                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6011                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6012                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6013                       GDI_AREA_SIZE, area_xsize, area_ysize,
6014                       GDI_TEXT_FONT, FONT_INPUT_1,
6015                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6016                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6017                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6018                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6019                       GDI_DESIGN_WIDTH, gd->width,
6020                       GDI_EVENT_MASK, event_mask,
6021                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6022                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6023                       GDI_END);
6024
6025     if (gi == NULL)
6026       Error(ERR_EXIT, "cannot create gadget");
6027
6028     level_editor_gadget[id] = gi;
6029   }
6030 }
6031
6032 static void CreateSelectboxGadgets()
6033 {
6034   int max_infotext_len = getMaxInfoTextLength();
6035   int i, j;
6036
6037   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6038   {
6039     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6040     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6041     int gd_x1 = gd->src_x;
6042     int gd_y1 = gd->src_y;
6043     int gd_x2 = gd->src_x + gd->active_xoffset;
6044     int gd_y2 = gd->src_y + gd->active_yoffset;
6045     int selectbox_button_xsize = gd2->width;
6046     struct GadgetInfo *gi;
6047     unsigned int event_mask;
6048     char infotext[MAX_OUTPUT_LINESIZE + 1];
6049     int id = selectbox_info[i].gadget_id;
6050     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6051     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6052
6053     if (selectbox_info[i].size == -1)   /* dynamically determine size */
6054     {
6055       /* (we cannot use -1 for uninitialized values if we directly compare
6056          with results from strlen(), because the '<' and '>' operation will
6057          implicitely cast -1 to an unsigned integer value!) */
6058       selectbox_info[i].size = 0;
6059
6060       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6061         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6062           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6063
6064       selectbox_info[i].size++;         /* add one character empty space */
6065     }
6066
6067     event_mask = GD_EVENT_RELEASED |
6068       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6069
6070     /* determine horizontal position to the right of specified gadget */
6071     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6072       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6073            ED_GADGET_TEXT_DISTANCE);
6074
6075     /* determine horizontal offset for leading text */
6076     if (selectbox_info[i].text_left != NULL)
6077       x += getTextWidthForGadget(selectbox_info[i].text_left);
6078
6079     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6080     infotext[max_infotext_len] = '\0';
6081
6082     gi = CreateGadget(GDI_CUSTOM_ID, id,
6083                       GDI_CUSTOM_TYPE_ID, i,
6084                       GDI_INFO_TEXT, infotext,
6085                       GDI_X, x,
6086                       GDI_Y, y,
6087                       GDI_TYPE, GD_TYPE_SELECTBOX,
6088                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6089                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6090                       GDI_TEXT_SIZE, selectbox_info[i].size,
6091                       GDI_TEXT_FONT, FONT_INPUT_1,
6092                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6093                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6094                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6095                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6096                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6097                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6098                       GDI_DESIGN_WIDTH, gd->width,
6099                       GDI_EVENT_MASK, event_mask,
6100                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6101                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6102                       GDI_END);
6103
6104     if (gi == NULL)
6105       Error(ERR_EXIT, "cannot create gadget");
6106
6107     level_editor_gadget[id] = gi;
6108     right_gadget_border[id] =
6109       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6110   }
6111 }
6112
6113 static void CreateTextbuttonGadgets()
6114 {
6115   int max_infotext_len = getMaxInfoTextLength();
6116   int i;
6117
6118   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6119   {
6120     int id = textbutton_info[i].gadget_id;
6121     int is_tab_button =
6122       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6123        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6124     int graphic =
6125       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6126     int gadget_distance =
6127       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6128     struct GraphicInfo *gd = &graphic_info[graphic];
6129     int gd_x1 = gd->src_x;
6130     int gd_y1 = gd->src_y;
6131     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6132     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6133     int gd_x1a = gd->src_x + gd->active_xoffset;
6134     int gd_y1a = gd->src_y + gd->active_yoffset;
6135     int border_xsize = gd->border_size + gd->draw_xoffset;
6136     int border_ysize = gd->border_size;
6137     struct GadgetInfo *gi;
6138     unsigned int event_mask;
6139     char infotext[MAX_OUTPUT_LINESIZE + 1];
6140     int x = SX + ED_TAB_SETTINGS_X(textbutton_info[i].x);
6141     int y = SY + ED_TAB_SETTINGS_Y(textbutton_info[i].y);
6142
6143     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6144       textbutton_info[i].size = strlen(textbutton_info[i].text);
6145
6146     event_mask = GD_EVENT_RELEASED;
6147
6148     sprintf(infotext, "%s", textbutton_info[i].infotext);
6149     infotext[max_infotext_len] = '\0';
6150
6151     /* determine horizontal position to the right of specified gadget */
6152     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6153     {
6154       int gadget_id_align = textbutton_info[i].gadget_id_align;
6155
6156       x = right_gadget_border[gadget_id_align] + gadget_distance;
6157
6158       if (textbutton_info[i].y == -1)
6159         y = level_editor_gadget[gadget_id_align]->y;
6160     }
6161
6162     /* determine horizontal offset for leading text */
6163     if (textbutton_info[i].text_left != NULL)
6164       x += getTextWidthForGadget(textbutton_info[i].text_left);
6165
6166     gi = CreateGadget(GDI_CUSTOM_ID, id,
6167                       GDI_CUSTOM_TYPE_ID, i,
6168                       GDI_INFO_TEXT, infotext,
6169                       GDI_X, x,
6170                       GDI_Y, y,
6171                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6172                       GDI_TEXT_VALUE, textbutton_info[i].text,
6173                       GDI_TEXT_SIZE, textbutton_info[i].size,
6174                       GDI_TEXT_FONT, FONT_INPUT_2,
6175                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6176                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6177                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6178                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6179                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6180                       GDI_DESIGN_WIDTH, gd->width,
6181                       GDI_DECORATION_SHIFTING, 1, 1,
6182                       GDI_EVENT_MASK, event_mask,
6183                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6184                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6185                       GDI_END);
6186
6187     if (gi == NULL)
6188       Error(ERR_EXIT, "cannot create gadget");
6189
6190     level_editor_gadget[id] = gi;
6191     right_gadget_border[id] =
6192       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6193   }
6194 }
6195
6196 static void CreateGraphicbuttonGadgets()
6197 {
6198   struct GadgetInfo *gi;
6199   unsigned int event_mask;
6200   int i;
6201
6202   /* create buttons for scrolling of drawing area and element list */
6203   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6204   {
6205     int id = graphicbutton_info[i].gadget_id;
6206     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6207     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6208     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6209     int gd_x1 = gd->src_x;
6210     int gd_y1 = gd->src_y;
6211     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6212     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6213
6214     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6215
6216     /* determine horizontal position to the right of specified gadget */
6217     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6218       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6219            ED_GADGET_TEXT_DISTANCE);
6220
6221     /* determine horizontal offset for leading text */
6222     if (graphicbutton_info[i].text_left != NULL)
6223       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6224
6225     gi = CreateGadget(GDI_CUSTOM_ID, id,
6226                       GDI_CUSTOM_TYPE_ID, i,
6227                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6228                       GDI_X, x,
6229                       GDI_Y, y,
6230                       GDI_WIDTH, gd->width,
6231                       GDI_HEIGHT, gd->height,
6232                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6233                       GDI_STATE, GD_BUTTON_UNPRESSED,
6234                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6235                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6236                       GDI_EVENT_MASK, event_mask,
6237                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6238                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6239                       GDI_END);
6240
6241     if (gi == NULL)
6242       Error(ERR_EXIT, "cannot create gadget");
6243
6244     level_editor_gadget[id] = gi;
6245     right_gadget_border[id] =
6246       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6247   }
6248 }
6249
6250 static void CreateScrollbarGadgets()
6251 {
6252   int i;
6253
6254   /* these values are not constant, but can change at runtime */
6255   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6256     SX + ED_SCROLL_HORIZONTAL_XPOS;
6257   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6258     SY + ED_SCROLL_HORIZONTAL_YPOS;
6259   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6260     ED_SCROLL_HORIZONTAL_XSIZE;
6261   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6262     ED_SCROLL_HORIZONTAL_YSIZE;
6263   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6264   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6265   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6266   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6267
6268   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6269     SX + ED_SCROLL_VERTICAL_XPOS;
6270   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6271     SY + ED_SCROLL_VERTICAL_YPOS;
6272   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6273     ED_SCROLL_VERTICAL_XSIZE;
6274   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6275     ED_SCROLL_VERTICAL_YSIZE;
6276   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6277   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6278   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6279   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6280
6281   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6282     PX + ED_SCROLL2_VERTICAL_XPOS;
6283   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6284     PY + ED_SCROLL2_VERTICAL_YPOS;
6285   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6286     ED_SCROLL2_VERTICAL_XSIZE;
6287   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6288     ED_SCROLL2_VERTICAL_YSIZE;
6289   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6290   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6291   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6292   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6293
6294   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6295   {
6296     int id = scrollbar_info[i].gadget_id;
6297     int graphic = scrollbar_info[i].graphic;
6298     struct GraphicInfo *gd = &graphic_info[graphic];
6299     int gd_x1 = gd->src_x;
6300     int gd_y1 = gd->src_y;
6301     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6302     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6303     struct GadgetInfo *gi;
6304     int items_max, items_visible, item_position;
6305     unsigned int event_mask;
6306
6307     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6308     {
6309       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6310       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6311       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6312     }
6313     else        /* drawing area scrollbars */
6314     {
6315       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6316       {
6317         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6318         items_visible = ed_fieldx;
6319         item_position = 0;
6320       }
6321       else
6322       {
6323         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6324         items_visible = ed_fieldy;
6325         item_position = 0;
6326       }
6327     }
6328
6329     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6330
6331     gi = CreateGadget(GDI_CUSTOM_ID, id,
6332                       GDI_CUSTOM_TYPE_ID, i,
6333                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6334                       GDI_X, scrollbar_pos[i].x,
6335                       GDI_Y, scrollbar_pos[i].y,
6336                       GDI_WIDTH, scrollbar_pos[i].width,
6337                       GDI_HEIGHT, scrollbar_pos[i].height,
6338                       GDI_TYPE, scrollbar_info[i].type,
6339                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6340                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6341                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6342                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6343                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6344                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6345                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6346                       GDI_STATE, GD_BUTTON_UNPRESSED,
6347                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6348                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6349                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6350                       GDI_EVENT_MASK, event_mask,
6351                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6352                       GDI_CALLBACK_ACTION, HandleControlButtons,
6353                       GDI_END);
6354
6355     if (gi == NULL)
6356       Error(ERR_EXIT, "cannot create gadget");
6357
6358     level_editor_gadget[id] = gi;
6359   }
6360 }
6361
6362 static void CreateCheckbuttonGadgets()
6363 {
6364   struct GadgetInfo *gi;
6365   unsigned int event_mask;
6366   int i;
6367
6368   event_mask = GD_EVENT_PRESSED;
6369
6370   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6371   {
6372     int id = checkbutton_info[i].gadget_id;
6373     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6374                    IMG_EDITOR_CHECKBOX);
6375     struct GraphicInfo *gd = &graphic_info[graphic];
6376     int gd_x1 = gd->src_x;
6377     int gd_y1 = gd->src_y;
6378     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6379     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6380     int gd_x1a = gd->src_x + gd->active_xoffset;
6381     int gd_y1a = gd->src_y + gd->active_yoffset;
6382     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6383     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6384     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6385     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6386
6387     /* determine horizontal position to the right of specified gadget */
6388     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6389       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6390            ED_GADGET_TEXT_DISTANCE);
6391
6392     /* determine horizontal offset for leading text */
6393     if (checkbutton_info[i].text_left != NULL)
6394       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6395
6396     gi = CreateGadget(GDI_CUSTOM_ID, id,
6397                       GDI_CUSTOM_TYPE_ID, i,
6398                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6399                       GDI_X, x,
6400                       GDI_Y, y,
6401                       GDI_WIDTH, gd->width,
6402                       GDI_HEIGHT, gd->height,
6403                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6404                       GDI_CHECKED, *checkbutton_info[i].value,
6405                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6406                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6407                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6408                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6409                       GDI_EVENT_MASK, event_mask,
6410                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6411                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6412                       GDI_END);
6413
6414     if (gi == NULL)
6415       Error(ERR_EXIT, "cannot create gadget");
6416
6417     level_editor_gadget[id] = gi;
6418     right_gadget_border[id] =
6419       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6420   }
6421 }
6422
6423 static void CreateRadiobuttonGadgets()
6424 {
6425   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6426   int gd_x1 = gd->src_x;
6427   int gd_y1 = gd->src_y;
6428   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6429   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6430   int gd_x1a = gd->src_x + gd->active_xoffset;
6431   int gd_y1a = gd->src_y + gd->active_yoffset;
6432   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6433   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6434   struct GadgetInfo *gi;
6435   unsigned int event_mask;
6436   int i;
6437
6438   event_mask = GD_EVENT_PRESSED;
6439
6440   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6441   {
6442     int id = radiobutton_info[i].gadget_id;
6443     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6444     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6445
6446     int checked =
6447       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6448
6449     /* determine horizontal position to the right of specified gadget */
6450     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6451       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6452            ED_GADGET_TEXT_DISTANCE);
6453
6454     /* determine horizontal offset for leading text */
6455     if (radiobutton_info[i].text_left != NULL)
6456       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6457
6458     gi = CreateGadget(GDI_CUSTOM_ID, id,
6459                       GDI_CUSTOM_TYPE_ID, i,
6460                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6461                       GDI_X, x,
6462                       GDI_Y, y,
6463                       GDI_WIDTH, gd->width,
6464                       GDI_HEIGHT, gd->height,
6465                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6466                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6467                       GDI_CHECKED, checked,
6468                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6469                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6470                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6471                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6472                       GDI_EVENT_MASK, event_mask,
6473                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6474                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6475                       GDI_END);
6476
6477     if (gi == NULL)
6478       Error(ERR_EXIT, "cannot create gadget");
6479
6480     level_editor_gadget[id] = gi;
6481     right_gadget_border[id] =
6482       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6483   }
6484 }
6485
6486 void CreateLevelEditorGadgets()
6487 {
6488   /* force EDITOR font inside level editor */
6489   SetFontStatus(GAME_MODE_EDITOR);
6490
6491   /* these values are not constant, but can change at runtime */
6492   ed_fieldx = MAX_ED_FIELDX - 1;
6493   ed_fieldy = MAX_ED_FIELDY - 1;
6494
6495   num_editor_gadgets = NUM_EDITOR_GADGETS;
6496
6497   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6498
6499   level_editor_gadget =
6500     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6501   right_gadget_border =
6502     checked_calloc(num_editor_gadgets * sizeof(int));
6503
6504   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6505   editor_el_empty_ptr = editor_el_empty;
6506
6507   use_permanent_palette = !editor.palette.show_as_separate_screen;
6508
6509   ReinitializeElementList();
6510
6511   CreateControlButtons();
6512   CreateScrollbarGadgets();
6513
6514   /* order of function calls is important because of cross-references */
6515   CreateCheckbuttonGadgets();
6516   CreateCounterButtons();
6517   CreateRadiobuttonGadgets();
6518   CreateTextInputGadgets();
6519   CreateTextAreaGadgets();
6520   CreateSelectboxGadgets();
6521   CreateGraphicbuttonGadgets();
6522   CreateTextbuttonGadgets();
6523   CreateDrawingAreas();
6524
6525   ResetFontStatus();
6526 }
6527
6528 void FreeLevelEditorGadgets()
6529 {
6530   int i;
6531
6532   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6533
6534   for (i = 0; i < num_editor_gadgets; i++)
6535   {
6536     FreeGadget(level_editor_gadget[i]);
6537
6538     level_editor_gadget[i] = NULL;
6539   }
6540
6541   checked_free(level_editor_gadget);
6542   checked_free(right_gadget_border);
6543
6544   checked_free(editor_el_empty);
6545 }
6546
6547 static void MapCounterButtons(int id)
6548 {
6549   int font_nr = FONT_TEXT_1;
6550   int font_height = getFontHeight(font_nr);
6551   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6552   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6553   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6554   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6555   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6556   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6557   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6558   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6559   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6560   int yoffset = (gi_down->height - font_height) / 2;
6561   int x_left = gi_down->x - xoffset_left;
6562   int x_right;  /* set after gadget position was modified */
6563   int y_above = gi_down->y - yoffset_above;
6564   int x = gi_down->x;
6565   int y;        /* set after gadget position was modified */
6566
6567   /* counter limits must be changed first to prevent value truncation */
6568   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6569                             counterbutton_info[id].max_value);
6570
6571   /* right text position might have changed after setting position above */
6572   x_right = gi_up->x + gi_up->width + xoffset_right;
6573
6574   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6575
6576   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6577   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6578       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6579   {
6580     ModifyGadget(gi_down, GDI_Y,
6581                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6582     ModifyGadget(gi_text, GDI_Y,
6583                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6584     ModifyGadget(gi_up,   GDI_Y,
6585                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6586   }
6587
6588   /* vertical position might have changed after setting position above */
6589   y = gi_up->y + yoffset;
6590
6591   if (counterbutton_info[id].text_above)
6592     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
6593
6594   if (counterbutton_info[id].text_left)
6595     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
6596
6597   if (counterbutton_info[id].text_right)
6598     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
6599
6600   MapGadget(gi_down);
6601   MapGadget(gi_text);
6602   MapGadget(gi_up);
6603 }
6604
6605 static void MapControlButtons()
6606 {
6607   int counter_id;
6608   int i;
6609
6610   /* map toolbox buttons (excluding special CE toolbox buttons) */
6611   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6612     MapGadget(level_editor_gadget[i]);
6613
6614   /* map toolbox buttons (element properties buttons) */
6615   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
6616     MapGadget(level_editor_gadget[i]);
6617
6618   if (use_permanent_palette)
6619   {
6620     /* map buttons to select elements */
6621     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6622       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6623     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6624     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6625     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6626   }
6627
6628   /* map buttons to select level */
6629   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6630   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6631   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6632   MapCounterButtons(counter_id);
6633 }
6634
6635 static void MapDrawingArea(int id)
6636 {
6637   int font_nr = FONT_TEXT_1;
6638   int font_height = getFontHeight(font_nr);
6639   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6640   int area_xsize = gi->drawing.area_xsize;
6641   int area_ysize = gi->drawing.area_ysize;
6642   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6643   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
6644   int x_left  = gi->x - xoffset_left;
6645   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6646   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6647   int y_side  = gi->y + (gi->height - font_height) / 2;
6648   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6649
6650   if (drawingarea_info[id].text_left)
6651     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
6652
6653   if (drawingarea_info[id].text_right)
6654     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
6655
6656   if (drawingarea_info[id].text_below)
6657     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
6658
6659   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6660   {
6661     DrawElementBorder(gi->x, gi->y,
6662                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
6663                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
6664
6665     DrawDrawingArea(id);
6666   }
6667
6668   MapGadget(gi);
6669 }
6670
6671 static void MapTextInputGadget(int id)
6672 {
6673   int font_nr = FONT_TEXT_1;
6674   int font_height = getFontHeight(font_nr);
6675   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6676   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6677   int x_above = ED_SETTINGS_X(textinput_info[id].x);
6678   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
6679
6680   if (textinput_info[id].text_above)
6681     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
6682
6683   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6684
6685   MapGadget(gi);
6686 }
6687
6688 static void MapTextAreaGadget(int id)
6689 {
6690   int font_nr = FONT_TEXT_1;
6691   int font_height = getFontHeight(font_nr);
6692   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6693   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6694   int x_above = ED_SETTINGS_X(textarea_info[id].x);
6695   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
6696
6697   if (textarea_info[id].text_above)
6698     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
6699
6700   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6701
6702   MapGadget(gi);
6703 }
6704
6705 static void MapSelectboxGadget(int id)
6706 {
6707   int font_nr = FONT_TEXT_1;
6708   int font_height = getFontHeight(font_nr);
6709   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6710   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6711   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6712   int yoffset = (gi->height - font_height) / 2;
6713   int x_left = gi->x - xoffset_left;
6714   int x_right = gi->x + gi->width + xoffset_right;
6715   int y = gi->y + yoffset;
6716
6717   if (selectbox_info[id].text_left)
6718     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
6719
6720   if (selectbox_info[id].text_right)
6721     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
6722
6723   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6724
6725   MapGadget(gi);
6726 }
6727
6728 static void MapTextbuttonGadget(int id)
6729 {
6730   int font_nr = FONT_TEXT_1;
6731   int font_height = getFontHeight(font_nr);
6732   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6733   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6734   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6735   int yoffset = (gi->height - font_height) / 2;
6736   int x_left = gi->x - xoffset_left;
6737   int x_right = gi->x + gi->width + xoffset_right;
6738   int y = gi->y + yoffset;
6739
6740   /* only show button to delete change pages when more than minimum pages */
6741   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6742       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6743     return;
6744
6745   if (textbutton_info[id].text_left)
6746     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
6747
6748   if (textbutton_info[id].text_right)
6749     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
6750
6751   MapGadget(gi);
6752 }
6753
6754 static void MapGraphicbuttonGadget(int id)
6755 {
6756   int font_nr = FONT_TEXT_1;
6757   int font_height = getFontHeight(font_nr);
6758   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6759   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6760   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6761   int yoffset = (gi->height - font_height) / 2;
6762   int x_left = gi->x - xoffset_left;
6763   int x_right = gi->x + gi->width + xoffset_right;
6764   int y = gi->y + yoffset;
6765
6766   if (graphicbutton_info[id].text_left)
6767     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
6768
6769   if (graphicbutton_info[id].text_right)
6770     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
6771
6772   MapGadget(gi);
6773 }
6774
6775 static void MapRadiobuttonGadget(int id)
6776 {
6777   int font_nr = FONT_TEXT_1;
6778   int font_height = getFontHeight(font_nr);
6779   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6780   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6781   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6782   int yoffset = (gi->height - font_height) / 2;
6783   int x_left = gi->x - xoffset_left;
6784   int x_right = gi->x + gi->width + xoffset_right;
6785   int y = gi->y + yoffset;
6786   boolean checked =
6787     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6788
6789   if (radiobutton_info[id].text_left)
6790     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
6791
6792   if (radiobutton_info[id].text_right)
6793     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
6794
6795   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6796
6797   MapGadget(gi);
6798 }
6799
6800 static void MapCheckbuttonGadget(int id)
6801 {
6802   int font_nr = FONT_TEXT_1;
6803   int font_height = getFontHeight(font_nr);
6804   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6805   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6806   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6807   int yoffset = (gi->height - font_height) / 2;
6808   int x_left, x_right, y;       /* set after gadget position was modified */
6809
6810   /* set position for gadgets with dynamically determined position */
6811   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6812     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
6813   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
6814
6815   x_left = gi->x - xoffset_left;
6816   x_right = gi->x + gi->width + xoffset_right;
6817   y = gi->y + yoffset;
6818
6819   if (checkbutton_info[id].text_left)
6820     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
6821
6822   if (checkbutton_info[id].text_right)
6823     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
6824
6825   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6826
6827   MapGadget(gi);
6828 }
6829
6830 static void MapMainDrawingArea()
6831 {
6832   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6833   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6834   int i;
6835
6836   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6837   {
6838     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6839           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6840          no_horizontal_scrollbar) ||
6841         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6842           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6843          no_vertical_scrollbar))
6844       continue;
6845
6846     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6847   }
6848
6849   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6850   {
6851     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6852         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6853       continue;
6854
6855     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6856   }
6857
6858   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6859 }
6860
6861 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6862 {
6863   int i;
6864
6865   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6866   {
6867     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6868         i == GADGET_ID_CUSTOM_COPY_TO ||
6869         i == GADGET_ID_CUSTOM_EXCHANGE ||
6870         i == GADGET_ID_CUSTOM_COPY ||
6871         i == GADGET_ID_CUSTOM_PASTE)
6872     {
6873       if (map)
6874         MapGadget(level_editor_gadget[i]);
6875       else
6876         UnmapGadget(level_editor_gadget[i]);
6877     }
6878   }
6879 }
6880
6881 static void MapLevelEditorToolboxCustomGadgets()
6882 {
6883   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6884 }
6885
6886 static void UnmapLevelEditorToolboxCustomGadgets()
6887 {
6888   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6889 }
6890
6891 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6892 {
6893   int i;
6894
6895   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6896   {
6897     if (i != GADGET_ID_SINGLE_ITEMS &&
6898         i != GADGET_ID_PICK_ELEMENT)
6899     {
6900       struct GadgetInfo *gi = level_editor_gadget[i];
6901
6902       if (map)
6903       {
6904         MapGadget(gi);
6905       }
6906       else
6907       {
6908         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
6909         struct GraphicInfo *gd = &graphic_info[graphic];
6910
6911         UnmapGadget(gi);
6912
6913         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
6914                    gi->width, gi->height, gi->x, gi->y);
6915
6916         redraw_mask |= REDRAW_DOOR_3;
6917       }
6918     }
6919   }
6920 }
6921
6922 static void MapLevelEditorToolboxDrawingGadgets()
6923 {
6924   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6925 }
6926
6927 static void UnmapLevelEditorToolboxDrawingGadgets()
6928 {
6929   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6930 }
6931
6932 static void UnmapDrawingArea(int id)
6933 {
6934   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6935 }
6936
6937 static void UnmapLevelEditorFieldGadgets()
6938 {
6939   int i;
6940
6941   for (i = 0; i < num_editor_gadgets; i++)
6942     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
6943                           level_editor_gadget[i]->y))
6944       UnmapGadget(level_editor_gadget[i]);
6945 }
6946
6947 void UnmapLevelEditorGadgets()
6948 {
6949   int i;
6950
6951   for (i = 0; i < num_editor_gadgets; i++)
6952     UnmapGadget(level_editor_gadget[i]);
6953 }
6954
6955 static void ResetUndoBuffer()
6956 {
6957   undo_buffer_position = -1;
6958   undo_buffer_steps = -1;
6959   redo_buffer_steps = 0;
6960
6961   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6962
6963   level.changed = FALSE;
6964 }
6965
6966 static void DrawEditModeWindow()
6967 {
6968   ModifyEditorElementList();
6969   RedrawDrawingElements();
6970
6971   if (edit_mode == ED_MODE_INFO)
6972     DrawLevelInfoWindow();
6973   else if (edit_mode == ED_MODE_PROPERTIES)
6974     DrawPropertiesWindow();
6975   else if (edit_mode == ED_MODE_PALETTE)
6976     DrawPaletteWindow();
6977   else  /* edit_mode == ED_MODE_DRAWING */
6978     DrawDrawingWindow();
6979 }
6980
6981 static void ChangeEditModeWindow(int new_edit_mode)
6982 {
6983   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
6984
6985   DrawEditModeWindow();
6986 }
6987
6988 static boolean LevelChanged()
6989 {
6990   boolean field_changed = FALSE;
6991   int x, y;
6992
6993   for (y = 0; y < lev_fieldy; y++)
6994     for (x = 0; x < lev_fieldx; x++)
6995       if (Feld[x][y] != level.field[x][y])
6996         field_changed = TRUE;
6997
6998   return (level.changed || field_changed);
6999 }
7000
7001 static boolean PrepareSavingIntoPersonalLevelSet()
7002 {
7003   static LevelDirTree *last_copied_leveldir = NULL;
7004   static LevelDirTree *last_written_leveldir = NULL;
7005   static int last_copied_level_nr = -1;
7006   static int last_written_level_nr = -1;
7007   LevelDirTree *leveldir_former = leveldir_current;
7008   int level_nr_former = level_nr;
7009   int new_level_nr;
7010
7011   // remember last mod/save so that for current session, we write
7012   // back to the same personal copy, asking only about overwrite.
7013   if (leveldir_current == last_copied_leveldir &&
7014       level_nr == last_copied_level_nr)
7015   {
7016     // "cd" to personal level set dir (as used when writing last copy)
7017     leveldir_current = last_written_leveldir;
7018     level_nr = last_written_level_nr;
7019
7020     return TRUE;
7021   }
7022
7023   if (!Request("This level is read only! "
7024                "Save into personal level set?", REQ_ASK))
7025     return FALSE;
7026
7027   // "cd" to personal level set dir (for writing copy the first time)
7028   leveldir_current =
7029     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7030
7031   // find unused level number
7032   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7033   {
7034     static char *level_filename = NULL;
7035
7036     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7037
7038     if (!fileExists(level_filename))
7039       break;
7040   }
7041
7042   last_copied_leveldir = leveldir_former;
7043   last_copied_level_nr = level_nr_former;
7044
7045   last_written_leveldir = leveldir_current;
7046   last_written_level_nr = level_nr = new_level_nr;
7047
7048   return TRUE;
7049 }
7050
7051 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7052 {
7053   static char *filename_levelinfo = NULL, *mod_name = NULL;
7054   FILE *file;
7055
7056   // annotate this copy-and-mod in personal levelinfo.conf
7057   setString(&filename_levelinfo,
7058             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7059
7060   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7061   {
7062     fprintf(file, "\n");
7063     fprintf(file, "# level %d was modified from:\n", level_nr);
7064     fprintf(file, "# - previous level set name:    %s\n",
7065             former_name);
7066     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7067             level.file_info.nr, level.name);
7068     fprintf(file, "# - previous author:            %s\n",
7069             level.author);
7070     fprintf(file, "# - previous save date:         ");
7071
7072     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7073     {
7074       fprintf(file, "%04d-%02d-%02d\n",
7075               level.creation_date.year,
7076               level.creation_date.month,
7077               level.creation_date.day);
7078     }
7079     else
7080     {
7081       fprintf(file, "not recorded\n");
7082     }
7083
7084     fclose(file);
7085   }
7086
7087   if (level_nr > leveldir_current->last_level)
7088   {
7089     static char *temp_levelinfo = NULL;
7090     FILE *temp_file = NULL;
7091     char line[MAX_LINE_LEN];
7092
7093     setString(&temp_levelinfo,
7094               getPath2(getCurrentLevelDir(),
7095                        getStringCat2(LEVELINFO_FILENAME, ".new")));
7096
7097     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
7098         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
7099     {
7100       while (fgets(line, MAX_LINE_LEN, file))
7101       {
7102         if (!strPrefix(line, "levels:"))
7103           fputs(line, temp_file);
7104         else
7105           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
7106       }
7107     }
7108
7109     if (temp_file)
7110       fclose(temp_file);
7111
7112     if (file)
7113       fclose(file);
7114
7115     // needs error handling; also, ok on dos/win?
7116     unlink(filename_levelinfo);
7117     rename(temp_levelinfo, filename_levelinfo);
7118   }
7119
7120   // else: allow the save even if annotation failed
7121
7122   // now... spray graffiti on the old level vital statistics
7123   // user can change these; just trying to set a good baseline
7124
7125   // don't truncate names for fear of making offensive or silly:
7126   // long-named original author only recorded in levelinfo.conf.
7127   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7128   if (!strEqual(level.author, leveldir_current->author))
7129   {
7130     setString(&mod_name, getStringCat3(leveldir_current->author,
7131                                        " after ", level.author));
7132
7133     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7134       setString(&mod_name,
7135                 getStringCat2(leveldir_current->author, " (ed.)"));
7136
7137     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7138       setString(&mod_name, leveldir_current->author);
7139
7140     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7141
7142     // less worried about truncation here
7143     setString(&mod_name, getStringCat2("Mod: ", level.name));
7144     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7145   }
7146 }
7147
7148 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7149                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7150 {
7151   int x, y;
7152
7153   for (x = 0; x < lev_fieldx; x++)
7154     for (y = 0; y < lev_fieldy; y++)
7155       dst[x][y] = src[x][y];
7156 }
7157
7158 static int setSelectboxValue(int selectbox_id, int new_value)
7159 {
7160   int new_index_value = 0;
7161   int i;
7162
7163   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7164     if (selectbox_info[selectbox_id].options[i].value == new_value)
7165       new_index_value = i;
7166
7167   *selectbox_info[selectbox_id].value =
7168     selectbox_info[selectbox_id].options[new_index_value].value;
7169
7170   return new_index_value;
7171 }
7172
7173 static void setSelectboxSpecialActionVariablesIfNeeded()
7174 {
7175   int i;
7176
7177   /* change action mode and arg variables according to action type variable */
7178   for (i = 0; action_arg_options[i].value != -1; i++)
7179   {
7180     if (action_arg_options[i].value == custom_element_change.action_type)
7181     {
7182       int mode = action_arg_options[i].mode;
7183
7184       /* only change if corresponding selectbox has changed */
7185       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7186           action_arg_modes[mode])
7187         custom_element_change.action_mode = -1;
7188
7189       /* only change if corresponding selectbox has changed */
7190       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7191           action_arg_options[i].options)
7192         custom_element_change.action_arg = -1;
7193
7194       break;
7195     }
7196   }
7197 }
7198
7199 static void setSelectboxSpecialActionOptions()
7200 {
7201   int i;
7202
7203   /* change action mode and arg selectbox according to action type selectbox */
7204   for (i = 0; action_arg_options[i].value != -1; i++)
7205   {
7206     if (action_arg_options[i].value == custom_element_change.action_type)
7207     {
7208       int mode = action_arg_options[i].mode;
7209
7210       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7211                                    action_arg_modes[mode]);
7212       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7213                                  custom_element_change.action_mode);
7214
7215       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7216                                    action_arg_options[i].options);
7217       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7218                                  custom_element_change.action_arg);
7219       break;
7220     }
7221   }
7222 }
7223
7224 static void copy_custom_element_settings(int element_from, int element_to)
7225 {
7226   struct ElementInfo *ei_from = &element_info[element_from];
7227   struct ElementInfo *ei_to = &element_info[element_to];
7228
7229   copyElementInfo(ei_from, ei_to);
7230 }
7231
7232 static void replace_custom_element_in_settings(int element_from,
7233                                                int element_to)
7234 {
7235   int i, j, x, y;
7236
7237   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7238   {
7239     struct ElementInfo *ei = &element_info[i];
7240
7241     for (y = 0; y < 3; y++)
7242       for (x = 0; x < 3; x++)
7243         if (ei->content.e[x][y] == element_from)
7244           ei->content.e[x][y] = element_to;
7245
7246     for (j = 0; j < ei->num_change_pages; j++)
7247     {
7248       struct ElementChangeInfo *change = &ei->change_page[j];
7249
7250       if (change->target_element == element_from)
7251         change->target_element = element_to;
7252
7253       if (change->initial_trigger_element == element_from)
7254         change->initial_trigger_element = element_to;
7255
7256       if (change->action_element == element_from)
7257         change->action_element = element_to;
7258
7259       for (y = 0; y < 3; y++)
7260         for (x = 0; x < 3; x++)
7261           if (change->target_content.e[x][y] == element_from)
7262             change->target_content.e[x][y] = element_to;
7263     }
7264
7265     if (ei->group != NULL)                              /* group or internal */
7266       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7267         if (ei->group->element[j] == element_from)
7268           ei->group->element[j] = element_to;
7269   }
7270 }
7271
7272 static void replace_custom_element_in_playfield(int element_from,
7273                                                 int element_to)
7274 {
7275   int x, y;
7276
7277   for (x = 0; x < lev_fieldx; x++)
7278     for (y = 0; y < lev_fieldy; y++)
7279       if (Feld[x][y] == element_from)
7280         Feld[x][y] = element_to;
7281 }
7282
7283 static boolean CopyCustomElement(int element_old, int element_new,
7284                                  int copy_mode)
7285 {
7286   int copy_mode_orig = copy_mode;
7287
7288   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7289   {
7290     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7291                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7292     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7293   }
7294   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7295   {
7296     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7297                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7298     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7299
7300     level.changed = TRUE;
7301   }
7302   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7303   {
7304     Request("Please choose custom element!", REQ_CONFIRM);
7305
7306     return FALSE;
7307   }
7308   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7309   {
7310     Request("Please choose group element!", REQ_CONFIRM);
7311
7312     return FALSE;
7313   }
7314   else
7315   {
7316     level.changed = TRUE;
7317   }
7318
7319   /* when modifying custom/group element, ask for copying level template */
7320   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7321   {
7322     if (!AskToCopyAndModifyLevelTemplate())
7323       return FALSE;
7324   }
7325
7326   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7327   {
7328     copy_custom_element_settings(element_new, element_old);
7329   }
7330   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7331   {
7332     copy_custom_element_settings(element_old, element_new);
7333   }
7334   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7335   {
7336     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7337     copy_custom_element_settings(element_new, element_old);
7338     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7339
7340     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7341     replace_custom_element_in_settings(element_new, element_old);
7342     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7343
7344     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7345     replace_custom_element_in_playfield(element_new, element_old);
7346     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7347   }
7348
7349   UpdateCustomElementGraphicGadgets();
7350   DrawPropertiesWindow();
7351
7352   return TRUE;
7353 }
7354
7355 static void CopyCustomElementPropertiesToEditor(int element)
7356 {
7357   int i;
7358   int current_change_page = element_info[element].current_change_page;
7359
7360   /* dynamically (re)build selectbox for selecting change page */
7361   for (i = 0; i < element_info[element].num_change_pages; i++)
7362   {
7363     sprintf(options_change_page_strings[i], "%d", i + 1);
7364
7365     options_change_page[i].value = i;
7366     options_change_page[i].text = options_change_page_strings[i];
7367   }
7368
7369   options_change_page[i].value = -1;
7370   options_change_page[i].text = NULL;
7371
7372   /* needed here to initialize combined element properties */
7373   InitElementPropertiesEngine(level.game_version);
7374
7375   element_info[element].change =
7376     &element_info[element].change_page[current_change_page];
7377
7378   custom_element = element_info[element];
7379   custom_element_change = *element_info[element].change;
7380
7381   /* needed to initially set selectbox options for special action options */
7382   setSelectboxSpecialActionOptions();
7383
7384   /* needed to initially set selectbox value variables to reliable defaults */
7385   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7386     setSelectboxValue(i, *selectbox_info[i].value);
7387
7388   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7389     custom_element_properties[i] = HAS_PROPERTY(element, i);
7390
7391   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7392     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7393
7394   /* ---------- element settings: configure (custom elements) ------------- */
7395
7396   /* set accessible layer selectbox help value */
7397   custom_element.access_type =
7398     (IS_WALKABLE(element) ? EP_WALKABLE :
7399      IS_PASSABLE(element) ? EP_PASSABLE :
7400      custom_element.access_type);
7401   custom_element.access_layer =
7402     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7403      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7404      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7405      custom_element.access_layer);
7406   custom_element.access_protected =
7407     (IS_PROTECTED(element) ? 1 : 0);
7408   custom_element_properties[EP_ACCESSIBLE] =
7409     (IS_ACCESSIBLE_OVER(element) ||
7410      IS_ACCESSIBLE_INSIDE(element) ||
7411      IS_ACCESSIBLE_UNDER(element));
7412
7413   /* set walk-to-object action selectbox help value */
7414   custom_element.walk_to_action =
7415     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7416      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7417      IS_DROPPABLE(element) ? EP_DROPPABLE :
7418      IS_THROWABLE(element) ? EP_THROWABLE :
7419      IS_PUSHABLE(element) ? EP_PUSHABLE :
7420      custom_element.walk_to_action);
7421   custom_element_properties[EP_WALK_TO_OBJECT] =
7422     (IS_DIGGABLE(element) ||
7423      IS_COLLECTIBLE_ONLY(element) ||
7424      IS_DROPPABLE(element) ||
7425      IS_THROWABLE(element) ||
7426      IS_PUSHABLE(element));
7427
7428   /* set smash targets selectbox help value */
7429   custom_element.smash_targets =
7430     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7431      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7432      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7433      custom_element.smash_targets);
7434   custom_element_properties[EP_CAN_SMASH] =
7435     (CAN_SMASH_EVERYTHING(element) ||
7436      CAN_SMASH_ENEMIES(element) ||
7437      CAN_SMASH_PLAYER(element));
7438
7439   /* set deadliness selectbox help value */
7440   custom_element.deadliness =
7441     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7442      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7443      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7444      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7445      custom_element.deadliness);
7446   custom_element_properties[EP_DEADLY] =
7447     (DONT_TOUCH(element) ||
7448      DONT_GET_HIT_BY(element) ||
7449      DONT_COLLIDE_WITH(element) ||
7450      DONT_RUN_INTO(element));
7451
7452   /* ---------- element settings: advanced (custom elements) --------------- */
7453
7454   /* set "change by direct action" selectbox help value */
7455   custom_element_change.direct_action =
7456     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7457      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7458      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7459      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7460      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7461      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7462      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7463      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7464      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7465      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7466      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7467      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7468      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7469      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7470      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7471      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7472      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7473      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7474      custom_element_change.direct_action);
7475
7476   /* set "change by other element action" selectbox help value */
7477   custom_element_change.other_action =
7478     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7479      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7480      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7481      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7482      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7483      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7484      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7485      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7486      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7487      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7488      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7489      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7490      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7491      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7492      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7493      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7494      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7495      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7496      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7497      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7498      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7499      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7500      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7501      custom_element_change.other_action);
7502 }
7503
7504 static void CopyGroupElementPropertiesToEditor(int element)
7505 {
7506   group_element_info = *element_info[element].group;
7507   custom_element = element_info[element];       /* needed for description */
7508 }
7509
7510 static void CopyClassicElementPropertiesToEditor(int element)
7511 {
7512   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7513     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7514       getMoveIntoAcidProperty(&level, element);
7515
7516   if (MAYBE_DONT_COLLIDE_WITH(element))
7517     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7518       getDontCollideWithProperty(&level, element);
7519 }
7520
7521 static void CopyElementPropertiesToEditor(int element)
7522 {
7523   if (IS_CUSTOM_ELEMENT(element))
7524     CopyCustomElementPropertiesToEditor(element);
7525   else if (IS_GROUP_ELEMENT(element))
7526     CopyGroupElementPropertiesToEditor(element);
7527   else
7528     CopyClassicElementPropertiesToEditor(element);
7529 }
7530
7531 static boolean AskToCopyAndModifyLevelTemplate()
7532 {
7533   if (Request("Copy and modify settings from level template?", REQ_ASK))
7534   {
7535     level.use_custom_template = FALSE;
7536
7537     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7538                  GDI_CHECKED, FALSE, GDI_END);
7539
7540     return TRUE;
7541   }
7542   else
7543   {
7544     LoadLevelTemplate(-1);      /* this resets all element modifications ... */
7545
7546     DrawEditModeWindow();       /* ... and copies them to 'custom_element' */
7547
7548     return FALSE;
7549   }
7550 }
7551
7552 static void CopyCustomElementPropertiesToGame(int element)
7553 {
7554   int i;
7555   int access_type_and_layer;
7556
7557   /* mark that this custom element has been modified */
7558   custom_element.modified_settings = TRUE;
7559   level.changed = TRUE;
7560
7561   if (level.use_custom_template)
7562     AskToCopyAndModifyLevelTemplate();
7563
7564   element_info[element] = custom_element;
7565   *element_info[element].change = custom_element_change;
7566
7567   /* ---------- element settings: configure (custom elements) ------------- */
7568
7569   /* set accessible property from checkbox and selectbox */
7570   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7571   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7572   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7573   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7574   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7575   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7576   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7577                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7578                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7579   custom_element_properties[access_type_and_layer] =
7580     custom_element_properties[EP_ACCESSIBLE];
7581   custom_element_properties[EP_PROTECTED] =
7582     (custom_element.access_protected != 0 &&
7583      custom_element_properties[EP_ACCESSIBLE]);
7584
7585   /* set walk-to-object property from checkbox and selectbox */
7586   custom_element_properties[EP_DIGGABLE] = FALSE;
7587   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7588   custom_element_properties[EP_DROPPABLE] = FALSE;
7589   custom_element_properties[EP_THROWABLE] = FALSE;
7590   custom_element_properties[EP_PUSHABLE] = FALSE;
7591   custom_element_properties[custom_element.walk_to_action] =
7592     custom_element_properties[EP_WALK_TO_OBJECT];
7593
7594   /* set smash property from checkbox and selectbox */
7595   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7596   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7597   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7598   custom_element_properties[custom_element.smash_targets] =
7599     custom_element_properties[EP_CAN_SMASH];
7600
7601   /* set deadliness property from checkbox and selectbox */
7602   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7603   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7604   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7605   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7606   custom_element_properties[custom_element.deadliness] =
7607     custom_element_properties[EP_DEADLY];
7608
7609   /* ---------- element settings: advanced (custom elements) --------------- */
7610
7611   /* set player change event from checkbox and selectbox */
7612   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7613   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7614   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7615   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7616   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7617   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7618   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7619   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7620   custom_element_change_events[CE_SWITCHED] = FALSE;
7621   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7622   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7623   custom_element_change_events[CE_BLOCKED] = FALSE;
7624   custom_element_change_events[CE_IMPACT] = FALSE;
7625   custom_element_change_events[CE_SMASHED] = FALSE;
7626   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7627   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7628   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7629   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7630   custom_element_change_events[custom_element_change.direct_action] =
7631     custom_element_change_events[CE_BY_DIRECT_ACTION];
7632
7633   /* set other element action change event from checkbox and selectbox */
7634   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7635   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7636   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7637   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7638   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7639   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7640   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7641   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7642   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7643   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7644   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7645   custom_element_change_events[CE_HITTING_X] = FALSE;
7646   custom_element_change_events[CE_DIGGING_X] = FALSE;
7647   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7648   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7649   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7650   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7651   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7652   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7653   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7654   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7655   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7656   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7657   custom_element_change_events[custom_element_change.other_action] =
7658     custom_element_change_events[CE_BY_OTHER_ACTION];
7659
7660   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7661     SET_PROPERTY(element, i, custom_element_properties[i]);
7662
7663   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7664     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7665
7666   /* copy change events also to special level editor variable */
7667   custom_element = element_info[element];
7668   custom_element_change = *element_info[element].change;
7669 }
7670
7671 static void CopyGroupElementPropertiesToGame(int element)
7672 {
7673   /* mark that this group element has been modified */
7674   custom_element.modified_settings = TRUE;
7675   level.changed = TRUE;
7676
7677   if (level.use_custom_template)
7678     AskToCopyAndModifyLevelTemplate();
7679
7680   element_info[element] = custom_element;
7681   *element_info[element].group = group_element_info;
7682 }
7683
7684 static void CopyClassicElementPropertiesToGame(int element)
7685 {
7686   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7687     setMoveIntoAcidProperty(&level, element,
7688                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7689
7690   if (MAYBE_DONT_COLLIDE_WITH(element))
7691     setDontCollideWithProperty(&level, element,
7692                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7693 }
7694
7695 static void CopyElementPropertiesToGame(int element)
7696 {
7697   if (IS_CUSTOM_ELEMENT(element))
7698     CopyCustomElementPropertiesToGame(element);
7699   else if (IS_GROUP_ELEMENT(element))
7700     CopyGroupElementPropertiesToGame(element);
7701   else
7702     CopyClassicElementPropertiesToGame(element);
7703 }
7704
7705 void CheckElementDescriptions()
7706 {
7707   int i;
7708
7709   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7710     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7711       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7712 }
7713
7714 static int getMaxEdFieldX(boolean has_scrollbar)
7715 {
7716   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
7717   int sxsize = SXSIZE - scrollbar_width;
7718   int max_ed_fieldx = sxsize / ed_tilesize;
7719
7720   return max_ed_fieldx;
7721 }
7722
7723 static int getMaxEdFieldY(boolean has_scrollbar)
7724 {
7725   int infotext_height = INFOTEXT_YSIZE_FULL;
7726   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
7727   int sysize = SYSIZE - scrollbar_height - infotext_height;
7728   int max_ed_fieldy = sysize / ed_tilesize;
7729
7730   return max_ed_fieldy;
7731 }
7732
7733 void InitZoomLevelSettings()
7734 {
7735   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
7736   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
7737 }
7738
7739 void DrawLevelEd()
7740 {
7741   int fade_mask = REDRAW_FIELD;
7742
7743   FadeSoundsAndMusic();
7744
7745   if (CheckIfGlobalBorderHasChanged())
7746     fade_mask = REDRAW_ALL;
7747
7748   FadeOut(fade_mask);
7749
7750   /* needed if different viewport properties defined for editor */
7751   ChangeViewportPropertiesIfNeeded();
7752
7753   ClearField();
7754
7755   InitZoomLevelSettings();
7756
7757   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
7758
7759 #if DEBUG
7760   CheckElementDescriptions();
7761 #endif
7762
7763   if (level_editor_test_game)
7764   {
7765     CopyPlayfield(level.field, Feld);
7766     CopyPlayfield(FieldBackup, level.field);
7767
7768     level_editor_test_game = FALSE;
7769   }
7770   else
7771   {
7772     edit_mode = ED_MODE_DRAWING;
7773     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7774     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7775
7776     ResetUndoBuffer();
7777
7778     level_xpos = -1;
7779     level_ypos = -1;
7780   }
7781
7782   /* needed for gadgets drawn on background (like palette scrollbar) */
7783   SetDoorBackgroundImage(IMG_UNDEFINED);
7784
7785   /* copy default editor door content to main double buffer */
7786   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
7787              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
7788              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
7789              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
7790              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
7791              DX, DY);
7792
7793   /* draw bigger door */
7794   DrawSpecialEditorDoor();
7795
7796   /* draw new control window */
7797   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
7798              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
7799              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
7800              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
7801              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
7802              EX, EY);
7803
7804   // redraw_mask |= REDRAW_ALL;
7805
7806   FreeLevelEditorGadgets();
7807   CreateLevelEditorGadgets();
7808
7809   ReinitializeElementList();            /* update dynamic level element list */
7810   ReinitializeElementListButtons();     /* custom element may look different */
7811
7812   InitElementPropertiesGfxElement();
7813
7814   UnmapAllGadgets();
7815   MapControlButtons();
7816
7817   DrawEditModeWindow();
7818
7819   DrawMaskedBorder(fade_mask);
7820
7821   FadeIn(fade_mask);
7822
7823   /* copy actual editor door content to door double buffer for OpenDoor() */
7824   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
7825 }
7826
7827 static void AdjustDrawingAreaGadgets()
7828 {
7829   int ed_xsize = lev_fieldx + 2;
7830   int ed_ysize = lev_fieldy + 2;
7831   int max_ed_fieldx = MAX_ED_FIELDX;
7832   int max_ed_fieldy = MAX_ED_FIELDY;
7833   boolean horizontal_scrollbar_needed;
7834   boolean vertical_scrollbar_needed;
7835   int x, y, width, height;
7836
7837   /* check if we need any scrollbars */
7838   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7839   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7840
7841   /* check if we have a smaller editor field because of scrollbars */
7842   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7843   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7844
7845   /* check again if we now need more scrollbars because of less space */
7846   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7847   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7848
7849   /* check if editor field gets even smaller after adding new scrollbars */
7850   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7851   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7852
7853   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
7854   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
7855
7856   x = SX + ed_fieldx * ed_tilesize;
7857   y = SY + ed_fieldy * ed_tilesize;
7858
7859   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
7860   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
7861
7862   /* adjust drawing area gadget */
7863   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7864                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7865                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
7866                GDI_END);
7867
7868   /* adjust horizontal scrollbar gadgets */
7869   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
7870                GDI_Y, y,
7871                GDI_END);
7872   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
7873                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
7874                GDI_Y, y,
7875                GDI_END);
7876   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7877                GDI_Y, y,
7878                GDI_WIDTH, width,
7879                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7880                GDI_END);
7881
7882   /* adjust vertical scrollbar gadgets */
7883   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
7884                GDI_X, x,
7885                GDI_END);
7886   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
7887                GDI_X, x,
7888                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
7889                GDI_END);
7890   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7891                GDI_X, x,
7892                GDI_HEIGHT, height,
7893                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7894                GDI_END);
7895 }
7896
7897 static void AdjustLevelScrollPosition()
7898 {
7899   if (level_xpos < -1)
7900     level_xpos = -1;
7901   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7902     level_xpos = lev_fieldx - ed_fieldx + 1;
7903   if (lev_fieldx < ed_fieldx - 2)
7904     level_xpos = -1;
7905
7906   if (level_ypos < -1)
7907     level_ypos = -1;
7908   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7909     level_ypos = lev_fieldy - ed_fieldy + 1;
7910   if (lev_fieldy < ed_fieldy - 2)
7911     level_ypos = -1;
7912 }
7913
7914 static void AdjustEditorScrollbar(int id)
7915 {
7916   struct GadgetInfo *gi = level_editor_gadget[id];
7917   int items_max, items_visible, item_position;
7918
7919   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7920   {
7921     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7922     items_visible = ed_fieldx;
7923     item_position = level_xpos + 1;
7924   }
7925   else
7926   {
7927     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7928     items_visible = ed_fieldy;
7929     item_position = level_ypos + 1;
7930   }
7931
7932   if (item_position > items_max - items_visible)
7933     item_position = items_max - items_visible;
7934
7935   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7936                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7937 }
7938
7939 static void AdjustElementListScrollbar()
7940 {
7941   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7942   int items_max, items_visible, item_position;
7943
7944   /* correct position of element list scrollbar */
7945   if (element_shift < 0)
7946     element_shift = 0;
7947   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7948     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7949
7950   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7951   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7952   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7953
7954   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7955                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7956                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7957 }
7958
7959 static void ModifyEditorCounterValue(int counter_id, int new_value)
7960 {
7961   int *counter_value = counterbutton_info[counter_id].value;
7962   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7963   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7964
7965   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7966
7967   if (counter_value != NULL)
7968     *counter_value = gi->textinput.number_value;
7969 }
7970
7971 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7972 {
7973   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7974   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7975
7976   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7977
7978   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7979       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7980   {
7981     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7982     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7983
7984     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7985     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
7986                  GDI_END);
7987   }
7988 }
7989
7990 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7991 {
7992   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7993   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7994   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7995
7996   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7997 }
7998
7999 static void ModifyEditorSelectboxOptions(int selectbox_id,
8000                                          struct ValueTextInfo *options)
8001 {
8002   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8003   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8004
8005   selectbox_info[selectbox_id].options = options;
8006
8007   /* set index to zero -- list may be shorter now (correct later, if needed) */
8008   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8009                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8010 }
8011
8012 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8013 {
8014   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8015   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8016
8017   drawingarea_info[drawingarea_id].area_xsize = xsize;
8018   drawingarea_info[drawingarea_id].area_ysize = ysize;
8019
8020   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8021 }
8022
8023 static void ModifyEditorElementList()
8024 {
8025   int i;
8026
8027   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8028     return;
8029
8030   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8031   {
8032     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8033     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8034     struct GadgetDesign *gd = &gi->deco.design;
8035     int element = editor_elements[element_shift + i];
8036     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8037
8038     UnmapGadget(gi);
8039
8040     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8041
8042     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8043
8044     MapGadget(gi);
8045   }
8046 }
8047
8048 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8049 {
8050   int graphic = el2edimg(element);
8051   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8052
8053   if (pos->x == -1 &&
8054       pos->y == -1)
8055     return;
8056
8057   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8058 }
8059
8060 static void ModifyDrawingElementButton(int element, int id)
8061 {
8062   struct GadgetInfo *gi = level_editor_gadget[id];
8063   Bitmap *deco_bitmap;
8064   int deco_x, deco_y;
8065   int tile_size = gi->deco.width;
8066
8067   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8068
8069   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8070 }
8071
8072 static void PickDrawingElement(int button, int element)
8073 {
8074   struct
8075   {
8076     int *new_element;
8077     struct XYTileSize *pos;
8078     int id;
8079   } de, drawing_elements[] =
8080   {
8081     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8082     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8083     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8084   };
8085
8086   if (button < 1 || button > 3)
8087     return;
8088
8089   de = drawing_elements[button - 1];
8090
8091   *de.new_element = element;    // update global drawing element variable
8092
8093   DrawDrawingElementGraphic(element, de.pos);
8094   ModifyDrawingElementButton(element, de.id);
8095
8096   redraw_mask |= REDRAW_DOOR_1;
8097 }
8098
8099 static void RedrawDrawingElements()
8100 {
8101   PickDrawingElement(1, new_element1);
8102   PickDrawingElement(2, new_element2);
8103   PickDrawingElement(3, new_element3);
8104 }
8105
8106 static void DrawDrawingWindow()
8107 {
8108   stick_element_properties_window = FALSE;
8109
8110   SetMainBackgroundImage(IMG_UNDEFINED);
8111   ClearField();
8112
8113   UnmapLevelEditorFieldGadgets();
8114   UnmapLevelEditorToolboxCustomGadgets();
8115
8116   AdjustDrawingAreaGadgets();
8117   AdjustLevelScrollPosition();
8118   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8119   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8120
8121   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8122
8123   MapMainDrawingArea();
8124   MapLevelEditorToolboxDrawingGadgets();
8125 }
8126
8127 static int getTabulatorBarWidth()
8128 {
8129   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8130   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8131
8132   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8133 }
8134
8135 static int getTabulatorBarHeight()
8136 {
8137   return ED_TAB_BAR_HEIGHT;
8138 }
8139
8140 static void DrawLevelInfoTabulatorGadgets()
8141 {
8142   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8143   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8144   int gd_x = gd->x + gd_gi1->border.width / 2;
8145   int gd_y = gd->y + gd_gi1->height - 1;
8146   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8147   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
8148   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
8149   int i;
8150
8151   for (i = id_first; i <= id_last; i++)
8152   {
8153     int gadget_id = textbutton_info[i].gadget_id;
8154     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8155     boolean active = (i != edit_mode_levelinfo);
8156
8157     /* draw background line below tabulator button */
8158     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8159
8160     /* draw solid line below inactive tabulator buttons */
8161     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8162       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8163                     ED_GADGET_TINY_DISTANCE, tab_color);
8164
8165     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8166     MapTextbuttonGadget(i);
8167   }
8168
8169   /* draw little border line below tabulator buttons */
8170   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8171     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8172                   ED_GADGET_TINY_DISTANCE,
8173                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8174 }
8175
8176 static void DrawPropertiesTabulatorGadgets()
8177 {
8178   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8179   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8180   int gd_x = gd->x + gd_gi1->border.width / 2;
8181   int gd_y = gd->y + gd_gi1->height - 1;
8182   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8183   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8184   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8185   int i;
8186
8187   /* draw two config tabulators for player elements */
8188   if (ELEM_IS_PLAYER(properties_element))
8189     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8190
8191   /* draw two config and one "change" tabulator for custom elements */
8192   if (IS_CUSTOM_ELEMENT(properties_element))
8193     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8194
8195   for (i = id_first; i <= id_last; i++)
8196   {
8197     int gadget_id = textbutton_info[i].gadget_id;
8198     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8199     boolean active = (i != edit_mode_properties);
8200
8201     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8202     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8203         (ELEM_IS_PLAYER(properties_element) ||
8204          IS_CUSTOM_ELEMENT(properties_element)))
8205       continue;
8206
8207     /* draw background line below tabulator button */
8208     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8209
8210     /* draw solid line below inactive tabulator buttons */
8211     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8212       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8213                     ED_GADGET_TINY_DISTANCE, tab_color);
8214
8215     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8216     MapTextbuttonGadget(i);
8217   }
8218
8219   /* draw little border line below tabulator buttons */
8220   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8221     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8222                   ED_GADGET_TINY_DISTANCE,
8223                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8224 }
8225
8226 static void DrawLevelInfoLevel()
8227 {
8228   int i;
8229
8230   /* draw counter gadgets */
8231   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8232     MapCounterButtons(i);
8233
8234   /* draw selectbox gadgets */
8235   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8236     MapSelectboxGadget(i);
8237
8238   /* draw text input gadgets */
8239   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8240     MapTextInputGadget(i);
8241 }
8242
8243 static void DrawLevelInfoEditor()
8244 {
8245   int i;
8246
8247   /* draw counter gadgets */
8248   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8249     MapCounterButtons(i);
8250
8251   /* draw checkbutton gadgets */
8252   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8253     MapCheckbuttonGadget(i);
8254
8255   /* draw radiobutton gadgets */
8256   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
8257     MapRadiobuttonGadget(i);
8258
8259   /* draw drawing area */
8260   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
8261 }
8262
8263 static void DrawLevelInfoWindow()
8264 {
8265   char *text = "Global Settings";
8266   int font_nr = FONT_TITLE_1;
8267   struct MenuPosInfo *pos = &editor.settings.headline;
8268   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
8269   int sy = SY + pos->y;
8270
8271   stick_element_properties_window = FALSE;
8272
8273   UnmapLevelEditorFieldGadgets();
8274
8275   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8276   ClearField();
8277
8278   DrawText(sx, sy, text, font_nr);
8279
8280   DrawLevelInfoTabulatorGadgets();
8281
8282   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
8283     DrawLevelInfoLevel();
8284   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
8285     DrawLevelInfoEditor();
8286 }
8287
8288 static void DrawCustomContentArea()
8289 {
8290   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
8291   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8292   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
8293   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
8294   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
8295   int xoffset = ED_GADGET_SPACE_DISTANCE;
8296
8297   /* add distance for potential left text (without drawing area border) */
8298   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
8299
8300   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8301
8302   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
8303 }
8304
8305 static void DrawCustomChangeContentArea()
8306 {
8307   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
8308   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8309   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
8310   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
8311   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
8312   int xoffset = ED_GADGET_SPACE_DISTANCE;
8313
8314   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8315
8316   MapDrawingArea(id);
8317 }
8318
8319 static void RemoveElementContentArea(int id, int font_height)
8320 {
8321   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8322
8323   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
8324                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
8325                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8326                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
8327                  ED_GADGET_TEXT_DISTANCE + font_height);
8328 }
8329
8330 static void DrawYamYamContentAreas()
8331 {
8332   int font_nr = FONT_TEXT_1;
8333   int font_height = getFontHeight(font_nr);
8334   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8335   int yoffset = (tilesize - font_height) / 2;
8336   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
8337   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
8338   int i;
8339
8340   /* display counter to choose number of element content areas */
8341   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8342
8343   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8344   {
8345     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8346
8347     if (i < level.num_yamyam_contents)
8348     {
8349       MapDrawingArea(id);
8350     }
8351     else
8352     {
8353       UnmapDrawingArea(id);
8354
8355       /* delete content areas in case of reducing number of them */
8356       RemoveElementContentArea(id, font_height);
8357     }
8358   }
8359
8360   DrawText(x, y + 0 * tilesize, "content", font_nr);
8361   DrawText(x, y + 1 * tilesize, "when",    font_nr);
8362   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
8363 }
8364
8365 static void DrawMagicBallContentAreas()
8366 {
8367   int font_nr = FONT_TEXT_1;
8368   int font_height = getFontHeight(font_nr);
8369   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8370   int yoffset = (tilesize - font_height) / 2;
8371   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
8372   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
8373   int i;
8374
8375   /* display counter to choose number of element content areas */
8376   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8377
8378   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8379   {
8380     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8381
8382     if (i < level.num_ball_contents)
8383     {
8384       MapDrawingArea(id);
8385     }
8386     else
8387     {
8388       UnmapDrawingArea(id);
8389
8390       /* delete content areas in case of reducing number of them */
8391       RemoveElementContentArea(id, font_height);
8392     }
8393   }
8394
8395   DrawText(x, y + 0 * tilesize, "generated", font_nr);
8396   DrawText(x, y + 1 * tilesize, "when",      font_nr);
8397   DrawText(x, y + 2 * tilesize, "active",    font_nr);
8398 }
8399
8400 static void DrawAndroidElementArea(int element)
8401 {
8402   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8403   int num_elements = level.num_android_clone_elements;
8404   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8405   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8406   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8407   int xsize = MAX_ANDROID_ELEMENTS;
8408   int ysize = 1;
8409
8410   /* display counter to choose number of element areas */
8411   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8412
8413   if (drawingarea_info[id].text_left != NULL)
8414     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8415
8416   UnmapDrawingArea(id);
8417
8418   ModifyEditorDrawingArea(id, num_elements, 1);
8419
8420   /* delete content areas in case of reducing number of them */
8421   DrawBackground(sx, sy,
8422                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8423                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8424
8425   MapDrawingArea(id);
8426 }
8427
8428 static void DrawGroupElementArea(int element)
8429 {
8430   int id = ED_DRAWING_ID_GROUP_CONTENT;
8431   int num_elements = group_element_info.num_elements;
8432   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8433   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8434   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8435   int xsize = MAX_ELEMENTS_IN_GROUP;
8436   int ysize = 1;
8437
8438   if (drawingarea_info[id].text_left != NULL)
8439     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8440
8441   UnmapDrawingArea(id);
8442
8443   ModifyEditorDrawingArea(id, num_elements, 1);
8444
8445   /* delete content areas in case of reducing number of them */
8446   DrawBackground(sx, sy,
8447                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8448                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8449
8450   MapDrawingArea(id);
8451 }
8452
8453 static void DrawPlayerInitialInventoryArea(int element)
8454 {
8455   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8456   int player_nr = GET_PLAYER_NR(element);
8457   int num_elements = level.initial_inventory_size[player_nr];
8458   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8459   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8460   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8461   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8462   int ysize = 1;
8463
8464   /* determine horizontal position to the right of specified gadget */
8465   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8466     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8467           ED_DRAWINGAREA_TEXT_DISTANCE);
8468
8469   /* determine horizontal offset for leading text */
8470   if (drawingarea_info[id].text_left != NULL)
8471     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8472
8473   UnmapDrawingArea(id);
8474
8475   ModifyEditorDrawingArea(id, num_elements, 1);
8476
8477   /* delete content areas in case of reducing number of them */
8478   DrawBackground(sx, sy,
8479                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8480                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8481
8482   MapDrawingArea(id);
8483 }
8484
8485 static void DrawEnvelopeTextArea(int envelope_nr)
8486 {
8487   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8488   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8489
8490   UnmapGadget(gi);
8491   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8492
8493   if (envelope_nr != -1)
8494     textarea_info[id].value = level.envelope[envelope_nr].text;
8495
8496   ModifyGadget(gi, GDI_AREA_SIZE,
8497                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8498                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8499                GDI_END);
8500
8501   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8502 }
8503
8504 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8505 {
8506   int font_height = getFontHeight(font_nr);
8507   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8508   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8509   int sx = SX + pad_x;
8510   int sy = SY + pad_y;
8511   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8512
8513   if (start_line >= max_lines_per_screen)
8514     return FALSE;
8515
8516   DrawText(sx, sy + start_line * font_height, text, font_nr);
8517
8518   return TRUE;
8519 }
8520
8521 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8522 {
8523   int font_nr = FONT_TEXT_2;
8524   int font_width = getFontWidth(font_nr);
8525   int font_height = getFontHeight(font_nr);
8526   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8527   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8528   int sx = SX + pad_x;
8529   int sy = SY + pad_y + start_line * font_height;
8530   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8531   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8532   int max_lines_drawable = max_lines_per_screen - start_line;
8533
8534   if (start_line >= max_lines_per_screen)
8535     return FALSE;
8536
8537   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8538                       max_lines_drawable, 0, -1, TRUE, FALSE, FALSE);
8539 }
8540
8541 static void DrawPropertiesInfo()
8542 {
8543   static struct
8544   {
8545     int value;
8546     char *text;
8547   }
8548   properties[] =
8549   {
8550     /* configurable properties */
8551
8552     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8553     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8554     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8555     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8556     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8557     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8558     { EP_PROTECTED,             "- player is protected by it"           },
8559
8560     { EP_DIGGABLE,              "- can be digged away"                  },
8561     { EP_COLLECTIBLE,           "- can be collected"                    },
8562     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8563     { EP_THROWABLE,             "- can be thrown after collecting"      },
8564     { EP_PUSHABLE,              "- can be pushed"                       },
8565
8566     { EP_CAN_FALL,              "- can fall"                            },
8567     { EP_CAN_MOVE,              "- can move"                            },
8568
8569     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8570 #if 0
8571     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8572 #endif
8573     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8574
8575     { EP_SLIPPERY,              "- slippery for falling elements"       },
8576     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8577
8578     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8579     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8580     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8581     { EP_DONT_TOUCH,            "- deadly when touching"                },
8582
8583     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8584
8585     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8586     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8587     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8588
8589     { EP_CAN_CHANGE,            "- can change to other element"         },
8590
8591     /* pre-defined properties */
8592     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8593     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8594     { EP_SWITCHABLE,            "- can be switched"                     },
8595 #if 0
8596     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8597 #endif
8598
8599     { -1,                       NULL                                    }
8600   };
8601   char *filename = getElementDescriptionFilename(properties_element);
8602   char *percentage_text = "In this level: ";
8603   char *properties_text = "Standard properties: ";
8604   float percentage;
8605   int num_elements_in_level;
8606   int num_standard_properties = 0;
8607   int font1_nr = FONT_TEXT_1;
8608   int font2_nr = FONT_TEXT_2;
8609   int font1_width = getFontWidth(font1_nr);
8610   int font2_height = getFontHeight(font2_nr);
8611   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8612   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8613   int screen_line = 0;
8614   int i, x, y;
8615
8616   if (setup.editor.show_element_token)
8617   {
8618     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8619               "[%s]", element_info[properties_element].token_name);
8620     screen_line++;
8621   }
8622
8623   /* ----- print number of elements / percentage of this element in level */
8624
8625   num_elements_in_level = 0;
8626   for (y = 0; y < lev_fieldy; y++)
8627     for (x = 0; x < lev_fieldx; x++)
8628       if (Feld[x][y] == properties_element)
8629         num_elements_in_level++;
8630   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8631
8632   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8633             percentage_text);
8634   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8635             pad_y + screen_line++ * font2_height, font2_nr,
8636             "%d (%.2f%%)", num_elements_in_level, percentage);
8637
8638   screen_line++;
8639
8640   /* ----- print standard properties of this element */
8641
8642   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8643             properties_text);
8644
8645   for (i = 0; properties[i].value != -1; i++)
8646   {
8647     if (!HAS_PROPERTY(properties_element, properties[i].value))
8648       continue;
8649
8650     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8651               properties[i].text);
8652     num_standard_properties++;
8653   }
8654
8655   if (num_standard_properties == 0)
8656     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8657               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8658
8659   screen_line++;
8660
8661   /* ----- print special description of this element */
8662
8663   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8664   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8665     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8666 }
8667
8668 #define TEXT_COLLECTING         "Score for collecting"
8669 #define TEXT_SMASHING           "Score for smashing"
8670 #define TEXT_SLURPING           "Score for slurping robot"
8671 #define TEXT_CRACKING           "Score for cracking"
8672 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8673 #define TEXT_DURATION           "Duration when activated"
8674 #define TEXT_BALL_DELAY         "Element generation delay"
8675 #define TEXT_MOVE_SPEED         "Speed of android moving"
8676 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8677 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8678 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8679 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8680 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8681 #define TEXT_TIME_BONUS         "Extra time to solve level"
8682
8683 static struct
8684 {
8685   int element;
8686   int *value;
8687   char *text;
8688 } elements_with_counter[] =
8689 {
8690   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8691   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8692   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8693   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8694   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8695   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8696   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8697   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8698   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8699   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8700   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8701   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8702   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8703   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8704   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8705   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8706   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8707   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8708   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8709   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8710   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8711   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8712   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8713   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8714   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8715   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8716   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8717   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8718   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8719   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8720   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8721   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8722   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8723   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8724   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8725   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8726   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8727   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8728   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8729   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8730   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8731   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8732   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8733   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8734   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8735   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8736   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8737   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8738   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8739   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8740   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8741   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8742   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8743   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8744   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8745   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8746   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8747   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8748   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8749   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8750   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8751   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8752   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8753   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8754   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8755   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8756   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8757   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8758   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8759   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8760   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8761   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8762   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8763   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8764
8765   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8766   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8767   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8768   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8769   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8770   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8771   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8772   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8773   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8774   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8775   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8776   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8777   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8778   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8779   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8780   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8781
8782   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8783   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8784   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8785   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8786   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8787   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8788   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8789   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8790
8791   { -1,                 NULL,                           NULL            }
8792 };
8793
8794 static boolean checkPropertiesConfig(int element)
8795 {
8796   int i;
8797
8798   if (IS_GEM(element) ||
8799       IS_CUSTOM_ELEMENT(element) ||
8800       IS_GROUP_ELEMENT(element) ||
8801       IS_ENVELOPE(element) ||
8802       ELEM_IS_PLAYER(element) ||
8803       HAS_EDITOR_CONTENT(element) ||
8804       CAN_GROW(element) ||
8805       COULD_MOVE_INTO_ACID(element) ||
8806       MAYBE_DONT_COLLIDE_WITH(element) ||
8807       element == EL_SOKOBAN_OBJECT ||
8808       element == EL_SOKOBAN_FIELD_EMPTY ||
8809       element == EL_SOKOBAN_FIELD_FULL)
8810     return TRUE;
8811   else
8812     for (i = 0; elements_with_counter[i].element != -1; i++)
8813       if (elements_with_counter[i].element == element)
8814         return TRUE;
8815
8816   return FALSE;
8817 }
8818
8819 static void DrawPropertiesConfig()
8820 {
8821   boolean draw_footer_line = FALSE;
8822   int max_num_element_counters = 4;
8823   int num_element_counters = 0;
8824   int i;
8825
8826   if (!checkPropertiesConfig(properties_element))
8827   {
8828     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8829
8830     return;
8831   }
8832
8833   /* check if there are elements where a value can be chosen for */
8834   for (i = 0; elements_with_counter[i].element != -1; i++)
8835   {
8836     if (elements_with_counter[i].element == properties_element)
8837     {
8838       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8839
8840       counterbutton_info[counter_id].y =
8841         ED_ELEMENT_SETTINGS_YPOS(
8842                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8843                 (CAN_GROW(properties_element)                ? 1 : 0) +
8844                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8845                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8846                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8847                 num_element_counters);
8848
8849       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8850       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8851
8852       if (properties_element == EL_GAME_OF_LIFE ||
8853           properties_element == EL_BIOMAZE)
8854       {
8855         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8856         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8857       }
8858       else
8859       {
8860         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8861         counterbutton_info[counter_id].min_value = MIN_SCORE;
8862         counterbutton_info[counter_id].max_value = MAX_SCORE;
8863       }
8864
8865       MapCounterButtons(counter_id);
8866
8867       num_element_counters++;
8868       if (num_element_counters >= max_num_element_counters)
8869         break;
8870     }
8871   }
8872
8873   if (HAS_EDITOR_CONTENT(properties_element))
8874   {
8875     /* draw stickybutton gadget */
8876     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8877
8878     if (IS_AMOEBOID(properties_element))
8879       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8880     else if (properties_element == EL_YAMYAM ||
8881              properties_element == EL_YAMYAM_LEFT ||
8882              properties_element == EL_YAMYAM_RIGHT ||
8883              properties_element == EL_YAMYAM_UP ||
8884              properties_element == EL_YAMYAM_DOWN)
8885       DrawYamYamContentAreas();
8886     else if (properties_element == EL_EMC_MAGIC_BALL)
8887     {
8888       DrawMagicBallContentAreas();
8889
8890       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8891       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8892     }
8893     else if (properties_element == EL_EMC_ANDROID)
8894       DrawAndroidElementArea(properties_element);
8895   }
8896
8897   if (ELEM_IS_PLAYER(properties_element))
8898   {
8899     int player_nr = GET_PLAYER_NR(properties_element);
8900
8901     /* these properties can be set for every player individually */
8902
8903     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8904     {
8905       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8906         &level.start_element[player_nr];
8907       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8908         &level.artwork_element[player_nr];
8909       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8910         &level.explosion_element[player_nr];
8911
8912       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8913         &level.use_start_element[player_nr];
8914       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8915         &level.use_artwork_element[player_nr];
8916       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8917         &level.use_explosion_element[player_nr];
8918       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8919         &level.initial_player_gravity[player_nr];
8920
8921       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8922         &level.initial_player_stepsize[player_nr];
8923
8924       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8925       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8926                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8927                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8928       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8929       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8930       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8931       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8932       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
8933       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8934       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8935       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8936       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8937       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8938
8939       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8940       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8941       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8942
8943       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8944     }
8945     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8946     {
8947       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8948         &level.initial_inventory_content[player_nr][0];
8949
8950       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8951         &level.initial_inventory_size[player_nr];
8952
8953       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8954         &level.use_initial_inventory[player_nr];
8955
8956       /* draw checkbutton gadgets */
8957       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8958
8959       /* draw counter gadgets */
8960       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8961
8962       /* draw drawing area gadgets */
8963       DrawPlayerInitialInventoryArea(properties_element);
8964     }
8965   }
8966
8967   if (IS_GEM(properties_element))
8968     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8969
8970   if (properties_element == EL_EM_DYNAMITE)
8971     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8972
8973   if (COULD_MOVE_INTO_ACID(properties_element) &&
8974       !ELEM_IS_PLAYER(properties_element) &&
8975       (!IS_CUSTOM_ELEMENT(properties_element) ||
8976        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8977   {
8978     /* set position for checkbutton for "can move into acid" */
8979     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8980       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8981     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8982       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8983                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8984
8985     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8986   }
8987
8988   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8989     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8990
8991   if (properties_element == EL_SPRING)
8992     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8993
8994   if (properties_element == EL_TIME_ORB_FULL)
8995     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8996
8997   if (CAN_GROW(properties_element))
8998   {
8999     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
9000       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9001
9002     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9003   }
9004
9005   if (properties_element == EL_SOKOBAN_OBJECT ||
9006       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9007       properties_element == EL_SOKOBAN_FIELD_FULL)
9008     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9009
9010   if (IS_ENVELOPE(properties_element))
9011   {
9012     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9013     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9014     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9015     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9016     int envelope_nr = properties_element - EL_ENVELOPE_1;
9017
9018     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9019     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9020
9021     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9022     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9023
9024     /* display counter to choose size of envelope text area */
9025     MapCounterButtons(counter1_id);
9026     MapCounterButtons(counter2_id);
9027
9028     /* display checkbuttons to choose auto-wrap and alignment properties */
9029     MapCheckbuttonGadget(button1_id);
9030     MapCheckbuttonGadget(button2_id);
9031
9032     DrawEnvelopeTextArea(envelope_nr);
9033   }
9034
9035   if (IS_CUSTOM_ELEMENT(properties_element))
9036   {
9037     /* draw stickybutton gadget */
9038     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9039
9040     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9041     {
9042       /* draw checkbutton gadgets */
9043       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
9044            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
9045         MapCheckbuttonGadget(i);
9046
9047       /* draw counter gadgets */
9048       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
9049            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
9050         MapCounterButtons(i);
9051
9052       /* draw selectbox gadgets */
9053       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
9054            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
9055         MapSelectboxGadget(i);
9056
9057       /* draw textbutton gadgets */
9058       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
9059
9060       /* draw text input gadgets */
9061       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9062
9063       /* draw drawing area gadgets */
9064       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9065
9066       draw_footer_line = TRUE;
9067     }
9068     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9069     {
9070       /* draw checkbutton gadgets */
9071       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
9072            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
9073         MapCheckbuttonGadget(i);
9074
9075       /* draw counter gadgets */
9076       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
9077            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
9078         MapCounterButtons(i);
9079
9080       /* draw selectbox gadgets */
9081       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
9082            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
9083         MapSelectboxGadget(i);
9084
9085       /* draw drawing area gadgets */
9086       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
9087       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
9088       DrawCustomContentArea();
9089     }
9090   }
9091   else if (IS_GROUP_ELEMENT(properties_element))
9092   {
9093     /* draw stickybutton gadget */
9094     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9095
9096     /* draw checkbutton gadgets */
9097     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
9098     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
9099
9100     /* draw counter gadgets */
9101     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
9102
9103     /* draw selectbox gadgets */
9104     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
9105
9106     /* draw textbutton gadgets */
9107     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
9108
9109     /* draw drawing area gadgets */
9110     DrawGroupElementArea(properties_element);
9111
9112     /* draw text input gadgets */
9113     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9114
9115     /* draw drawing area gadgets */
9116     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9117
9118     draw_footer_line = TRUE;
9119   }
9120
9121   /* draw little footer border line above CE/GE use/save template gadgets */
9122   if (draw_footer_line)
9123   {
9124     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9125     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9126     int gd_x = gd->x + gd_gi1->border.width / 2;
9127     int gd_y = gd->y + gd_gi1->height - 1;
9128     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9129
9130     if (tab_color != BLACK_PIXEL)               /* black => transparent */
9131       FillRectangle(drawto,
9132                     SX + ED_ELEMENT_SETTINGS_X(0),
9133                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
9134                     ED_TAB_BAR_HEIGHT,
9135                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9136   }
9137 }
9138
9139 static void DrawPropertiesChangeDrawingAreas()
9140 {
9141   if (IS_CUSTOM_ELEMENT(properties_element))
9142   {
9143     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
9144     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
9145     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
9146
9147     DrawCustomChangeContentArea();
9148   }
9149
9150   redraw_mask |= REDRAW_FIELD;
9151 }
9152
9153 static void DrawPropertiesChange()
9154 {
9155   int i;
9156
9157   /* needed to initially set selectbox options for special action options */
9158   setSelectboxSpecialActionOptions();
9159
9160   /* draw stickybutton gadget */
9161   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9162
9163   /* draw checkbutton gadgets */
9164   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
9165        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
9166     MapCheckbuttonGadget(i);
9167
9168   /* draw counter gadgets */
9169   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
9170        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
9171     MapCounterButtons(i);
9172
9173   /* draw selectbox gadgets */
9174   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
9175        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
9176     MapSelectboxGadget(i);
9177
9178   /* draw textbutton gadgets */
9179   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
9180        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
9181     MapTextbuttonGadget(i);
9182
9183   /* draw graphicbutton gadgets */
9184   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
9185        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
9186     MapGraphicbuttonGadget(i);
9187
9188   /* draw drawing area gadgets */
9189   DrawPropertiesChangeDrawingAreas();
9190 }
9191
9192 static void DrawEditorElementAnimation(int x, int y)
9193 {
9194   int graphic = el2img(properties_element);
9195   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
9196                custom_element.ce_value_fixed_initial :
9197                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
9198                custom_element.collect_score_initial : FrameCounter);
9199
9200   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
9201 }
9202
9203 static void DrawEditorElementName(int x, int y, int font_nr)
9204 {
9205   char *element_name = getElementInfoText(properties_element);
9206   int font_width = getFontWidth(font_nr);
9207   int font_height = getFontHeight(font_nr);
9208   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
9209   int max_chars_per_line = max_text_width / font_width;
9210   char buffer[max_chars_per_line + 1];
9211
9212   if (strlen(element_name) <= max_chars_per_line)
9213     DrawTextS(x, y, font_nr, element_name);
9214   else
9215   {
9216     int next_pos = max_chars_per_line;
9217
9218     strncpy(buffer, element_name, max_chars_per_line);
9219     buffer[max_chars_per_line] = '\0';
9220
9221     if (element_name[max_chars_per_line] == ' ')
9222       next_pos++;
9223     else
9224     {
9225       int i;
9226
9227       for (i = max_chars_per_line - 1; i >= 0; i--)
9228         if (buffer[i] == ' ')
9229           break;
9230
9231       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
9232       {
9233         buffer[i] = '\0';
9234         next_pos = i + 1;
9235       }
9236     }
9237
9238     DrawTextS(x, y - font_height / 2, font_nr, buffer);
9239
9240     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
9241     buffer[max_chars_per_line] = '\0';
9242
9243     DrawTextS(x, y + font_height / 2, font_nr, buffer);
9244   }
9245 }
9246
9247 static void DrawPropertiesWindow()
9248 {
9249   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
9250   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
9251   int border_size = gd->border_size;
9252   int font_nr = FONT_TEXT_1;
9253   int font_height = getFontHeight(font_nr);
9254   int xoffset = TILEX + element_border + 3 * border_size;
9255   int yoffset = (TILEY - font_height) / 2;
9256   int x1 = editor.settings.element_graphic.x + element_border;
9257   int y1 = editor.settings.element_graphic.y + element_border;
9258   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
9259             editor.settings.element_name.x);
9260   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
9261             editor.settings.element_name.y);
9262   char *text = "Element Settings";
9263   int font2_nr = FONT_TITLE_1;
9264   struct MenuPosInfo *pos = &editor.settings.headline;
9265   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
9266   int sy = SY + pos->y;
9267
9268   stick_element_properties_window = FALSE;
9269
9270   /* make sure that previous properties edit mode exists for this element */
9271   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
9272       !IS_CUSTOM_ELEMENT(properties_element))
9273     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
9274
9275   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
9276       !ELEM_IS_PLAYER(properties_element) &&
9277       !IS_CUSTOM_ELEMENT(properties_element))
9278     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
9279
9280   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
9281       (ELEM_IS_PLAYER(properties_element) ||
9282        IS_CUSTOM_ELEMENT(properties_element)))
9283     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
9284
9285   CopyElementPropertiesToEditor(properties_element);
9286
9287   UnmapLevelEditorFieldGadgets();
9288   UnmapLevelEditorToolboxDrawingGadgets();
9289   UnmapLevelEditorToolboxCustomGadgets();
9290
9291   if (IS_CUSTOM_ELEMENT(properties_element) ||
9292       IS_GROUP_ELEMENT(properties_element))
9293     MapLevelEditorToolboxCustomGadgets();
9294
9295   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9296   ClearField();
9297
9298   DrawText(sx, sy, text, font2_nr);
9299
9300   FrameCounter = 0;     /* restart animation frame counter */
9301
9302   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
9303   DrawEditorElementAnimation(SX + x1, SY + y1);
9304   DrawEditorElementName(x2, y2, font_nr);
9305
9306   DrawPropertiesTabulatorGadgets();
9307
9308   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
9309     DrawPropertiesInfo();
9310   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
9311     DrawPropertiesChange();
9312   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
9313     DrawPropertiesConfig();
9314 }
9315
9316 static void DrawPaletteWindow()
9317 {
9318   int i;
9319
9320   UnmapLevelEditorFieldGadgets();
9321
9322   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9323   ClearField();
9324
9325   /* map buttons to select elements */
9326   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9327     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
9328   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
9329   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
9330   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
9331 }
9332
9333 static void UpdateCustomElementGraphicGadgets()
9334 {
9335   int i;
9336
9337   InitElementPropertiesGfxElement();
9338
9339   ModifyEditorElementList();
9340   RedrawDrawingElements();
9341
9342   /* force redraw of all mapped drawing area gadgets */
9343   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
9344   {
9345     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
9346
9347     if (gi->mapped)
9348       MapDrawingArea(i);
9349   }
9350 }
9351
9352 static int getOpenDirectionFromTube(int element)
9353 {
9354   switch (element)
9355   {
9356     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
9357     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
9358     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
9359     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
9360     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
9361     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
9362     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
9363     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
9364     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
9365     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
9366     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
9367   }
9368
9369   return MV_NONE;
9370 }
9371
9372 static int getTubeFromOpenDirection(int direction)
9373 {
9374   switch (direction)
9375   {
9376     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
9377     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
9378     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
9379     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
9380     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
9381     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
9382     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
9383     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
9384     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
9385     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
9386     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
9387
9388     /* if only one direction, fall back to simple tube with that direction */
9389     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
9390     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
9391     case (MV_UP):                       return EL_TUBE_VERTICAL;
9392     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
9393   }
9394
9395   return EL_EMPTY;
9396 }
9397
9398 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
9399 {
9400   int element_new = getTubeFromOpenDirection(direction);
9401
9402   return (element_new != EL_EMPTY ? element_new : element_old);
9403 }
9404
9405 static int getOpenDirectionFromBelt(int element)
9406 {
9407   int belt_dir = getBeltDirFromBeltElement(element);
9408
9409   return (belt_dir == MV_LEFT ? MV_RIGHT :
9410           belt_dir == MV_RIGHT ? MV_LEFT :
9411           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
9412 }
9413
9414 static int getBeltFromNrAndOpenDirection(int nr, int direction)
9415 {
9416   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
9417                   direction == MV_RIGHT ? MV_LEFT :
9418                   direction == MV_HORIZONTAL ? MV_NONE : direction);
9419
9420   if (direction == MV_NONE)
9421     return EL_EMPTY;
9422
9423   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
9424 }
9425
9426 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
9427                                                  int element_old)
9428 {
9429   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
9430
9431   return (element_new != EL_EMPTY ? element_new : element_old);
9432 }
9433
9434 static int getOpenDirectionFromPool(int element)
9435 {
9436   switch (element)
9437   {
9438     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9439     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9440     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9441     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9442     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9443     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9444   }
9445
9446   return MV_NONE;
9447 }
9448
9449 static int getPoolFromOpenDirection(int direction)
9450 {
9451   switch (direction)
9452   {
9453     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9454     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9455     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9456     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9457     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9458     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9459   }
9460
9461   return EL_EMPTY;
9462 }
9463
9464 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9465 {
9466   int element = getPoolFromOpenDirection(direction);
9467   int help_direction = getOpenDirectionFromPool(help_element);
9468
9469   if (element == EL_EMPTY)
9470   {
9471     int help_direction_vertical = help_direction & MV_VERTICAL;
9472
9473     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9474   }
9475
9476   if (element == EL_EMPTY)
9477   {
9478     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9479
9480     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9481   }
9482
9483   return element;
9484 }
9485
9486 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9487 {
9488   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9489
9490   return (element_new != EL_EMPTY ? element_new : element_old);
9491 }
9492
9493 static int getOpenDirectionFromPillar(int element)
9494 {
9495   switch (element)
9496   {
9497     case EL_EMC_WALL_1:                 return (MV_DOWN);
9498     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9499     case EL_EMC_WALL_3:                 return (MV_UP);
9500   }
9501
9502   return MV_NONE;
9503 }
9504
9505 static int getPillarFromOpenDirection(int direction)
9506 {
9507   switch (direction)
9508   {
9509     case (MV_DOWN):                     return EL_EMC_WALL_1;
9510     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
9511     case (MV_UP):                       return EL_EMC_WALL_3;
9512   }
9513
9514   return EL_EMPTY;
9515 }
9516
9517 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
9518 {
9519   int element_new = getPillarFromOpenDirection(direction);
9520
9521   return (element_new != EL_EMPTY ? element_new : element_old);
9522 }
9523
9524 static int getOpenDirectionFromSteel2(int element)
9525 {
9526   switch (element)
9527   {
9528     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9529     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9530     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9531     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9532     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9533     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9534     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9535     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9536   }
9537
9538   return MV_NONE;
9539 }
9540
9541 static int getSteel2FromOpenDirection(int direction)
9542 {
9543   switch (direction)
9544   {
9545     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9546     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9547     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9548     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9549     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9550     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9551     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9552     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9553   }
9554
9555   return EL_EMPTY;
9556 }
9557
9558 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9559 {
9560   int element_new = getSteel2FromOpenDirection(direction);
9561
9562   return (element_new != EL_EMPTY ? element_new : element_old);
9563 }
9564
9565 static int getOpenDirectionFromChip(int element)
9566 {
9567   switch (element)
9568   {
9569     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9570     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9571     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9572     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9573     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9574   }
9575
9576   return MV_NONE;
9577 }
9578
9579 static int getChipFromOpenDirection(int direction)
9580 {
9581   switch (direction)
9582   {
9583     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9584     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9585     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9586     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9587     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9588   }
9589
9590   return EL_EMPTY;
9591 }
9592
9593 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9594 {
9595   int element_new = getChipFromOpenDirection(direction);
9596
9597   return (element_new != EL_EMPTY ? element_new : element_old);
9598 }
9599
9600 static int getClosedTube(int x, int y)
9601 {
9602   static int xy[4][2] =
9603   {
9604     { -1, 0 },
9605     { +1, 0 },
9606     { 0, -1 },
9607     { 0, +1 }
9608   };
9609   int element_old = IntelliDrawBuffer[x][y];
9610   int direction_old = getOpenDirectionFromTube(element_old);
9611   int direction_new = MV_NONE;
9612   int i;
9613
9614   for (i = 0; i < NUM_DIRECTIONS; i++)
9615   {
9616     int xx = x + xy[i][0];
9617     int yy = y + xy[i][1];
9618     int dir = MV_DIR_FROM_BIT(i);
9619     int dir_opposite = MV_DIR_OPPOSITE(dir);
9620
9621     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9622         (direction_old & dir) &&
9623         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9624       direction_new |= dir;
9625   }
9626
9627   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9628 }
9629
9630 static int getClosedBelt(int x, int y)
9631 {
9632   static int xy[4][2] =
9633   {
9634     { -1, 0 },
9635     { +1, 0 },
9636     { 0, -1 },
9637     { 0, +1 }
9638   };
9639   int element_old = IntelliDrawBuffer[x][y];
9640   int nr = getBeltNrFromBeltElement(element_old);
9641   int direction_old = getOpenDirectionFromBelt(element_old);
9642   int direction_new = MV_NONE;
9643   int i;
9644
9645   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9646   {
9647     int xx = x + xy[i][0];
9648     int yy = y + xy[i][1];
9649     int dir = MV_DIR_FROM_BIT(i);
9650     int dir_opposite = MV_DIR_OPPOSITE(dir);
9651
9652     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9653         (direction_old & dir) &&
9654         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9655       direction_new |= dir;
9656   }
9657
9658   return getBeltFromNrAndOpenDirection(nr, direction_new);
9659 }
9660
9661 static int getClosedPool(int x, int y)
9662 {
9663   static int xy[4][2] =
9664   {
9665     { -1, 0 },
9666     { +1, 0 },
9667     { 0, -1 },
9668     { 0, +1 }
9669   };
9670   int element_old = IntelliDrawBuffer[x][y];
9671   int direction_old = getOpenDirectionFromPool(element_old);
9672   int direction_new = MV_NONE;
9673   int i;
9674
9675   for (i = 0; i < NUM_DIRECTIONS; i++)
9676   {
9677     int xx = x + xy[i][0];
9678     int yy = y + xy[i][1];
9679     int dir = MV_DIR_FROM_BIT(i);
9680     int dir_opposite = MV_DIR_OPPOSITE(dir);
9681
9682     if (IN_LEV_FIELD(xx, yy) &&
9683         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9684         (direction_old & dir) &&
9685         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9686       direction_new |= dir;
9687   }
9688
9689   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9690 }
9691
9692 static int getClosedPillar(int x, int y)
9693 {
9694   static int xy[4][2] =
9695   {
9696     { -1, 0 },
9697     { +1, 0 },
9698     { 0, -1 },
9699     { 0, +1 }
9700   };
9701   int element_old = IntelliDrawBuffer[x][y];
9702   int direction_old = getOpenDirectionFromPillar(element_old);
9703   int direction_new = MV_NONE;
9704   int i;
9705
9706   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9707   {
9708     int xx = x + xy[i][0];
9709     int yy = y + xy[i][1];
9710     int dir = MV_DIR_FROM_BIT(i);
9711     int dir_opposite = MV_DIR_OPPOSITE(dir);
9712
9713     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9714         (direction_old & dir) &&
9715         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9716       direction_new |= dir;
9717   }
9718
9719   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9720 }
9721
9722 static int getClosedSteel2(int x, int y)
9723 {
9724   static int xy[4][2] =
9725   {
9726     { -1, 0 },
9727     { +1, 0 },
9728     { 0, -1 },
9729     { 0, +1 }
9730   };
9731   int element_old = IntelliDrawBuffer[x][y];
9732   int direction_old = getOpenDirectionFromSteel2(element_old);
9733   int direction_new = MV_NONE;
9734   int i;
9735
9736   for (i = 0; i < NUM_DIRECTIONS; i++)
9737   {
9738     int xx = x + xy[i][0];
9739     int yy = y + xy[i][1];
9740     int dir = MV_DIR_FROM_BIT(i);
9741     int dir_opposite = MV_DIR_OPPOSITE(dir);
9742
9743     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9744         (direction_old & dir) &&
9745         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9746       direction_new |= dir;
9747   }
9748
9749   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9750 }
9751
9752 static int getClosedChip(int x, int y)
9753 {
9754   static int xy[4][2] =
9755   {
9756     { -1, 0 },
9757     { +1, 0 },
9758     { 0, -1 },
9759     { 0, +1 }
9760   };
9761   int element_old = IntelliDrawBuffer[x][y];
9762   int direction_old = getOpenDirectionFromChip(element_old);
9763   int direction_new = MV_NONE;
9764   int i;
9765
9766   for (i = 0; i < NUM_DIRECTIONS; i++)
9767   {
9768     int xx = x + xy[i][0];
9769     int yy = y + xy[i][1];
9770     int dir = MV_DIR_FROM_BIT(i);
9771     int dir_opposite = MV_DIR_OPPOSITE(dir);
9772
9773     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9774         (direction_old & dir) &&
9775         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9776       direction_new |= dir;
9777   }
9778
9779   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9780 }
9781
9782 static void SetElementSimple(int x, int y, int element, boolean change_level)
9783 {
9784   int sx = x - level_xpos;
9785   int sy = y - level_ypos;
9786
9787   IntelliDrawBuffer[x][y] = element;
9788
9789   if (change_level)
9790     Feld[x][y] = element;
9791
9792   if (IN_ED_FIELD(sx, sy))
9793     DrawEditorElement(sx, sy, element);
9794 }
9795
9796 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9797                                            int x2, int y2, int *element2,
9798                                            int (*close_function)(int, int),
9799                                            boolean change_level)
9800 {
9801   /* set neighbour elements to newly determined connections */
9802   SetElementSimple(x1, y1, *element1, change_level);
9803   SetElementSimple(x2, y2, *element2, change_level);
9804
9805   /* remove all open connections of neighbour elements */
9806   *element1 = close_function(x1, y1);
9807   *element2 = close_function(x2, y2);
9808
9809   /* set neighbour elements to new, minimized connections */
9810   SetElementSimple(x1, y1, *element1, change_level);
9811   SetElementSimple(x2, y2, *element2, change_level);
9812 }
9813
9814 static void SetElementIntelliDraw(int x, int y, int new_element,
9815                                   boolean change_level, int button)
9816 {
9817   static int xy[4][2] =
9818   {
9819     { -1, 0 },
9820     { +1, 0 },
9821     { 0, -1 },
9822     { 0, +1 }
9823   };
9824   static int last_x = -1;
9825   static int last_y = -1;
9826   int old_element = IntelliDrawBuffer[x][y];
9827
9828   if (new_element == EL_UNDEFINED)
9829   {
9830     last_x = -1;
9831     last_y = -1;
9832
9833     return;
9834   }
9835
9836   if (IS_TUBE(new_element))
9837   {
9838     int last_element_new = EL_UNDEFINED;
9839     int direction = MV_NONE;
9840     int i;
9841
9842     /* if old element is of same kind, keep all existing directions */
9843     if (IS_TUBE(old_element))
9844       direction |= getOpenDirectionFromTube(old_element);
9845
9846     for (i = 0; i < NUM_DIRECTIONS; i++)
9847     {
9848       int xx = x + xy[i][0];
9849       int yy = y + xy[i][1];
9850
9851       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9852           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9853       {
9854         int dir = MV_DIR_FROM_BIT(i);
9855         int dir_opposite = MV_DIR_OPPOSITE(dir);
9856         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9857         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9858         int last_direction_new = last_direction_old | dir_opposite;
9859
9860         last_element_new = getTubeFromOpenDirection(last_direction_new);
9861
9862         direction |= dir;
9863       }
9864     }
9865
9866     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9867
9868     if (last_element_new != EL_UNDEFINED)
9869       MergeAndCloseNeighbourElements(x, y, &new_element,
9870                                      last_x, last_y, &last_element_new,
9871                                      getClosedTube, change_level);
9872   }
9873   else if (IS_BELT(new_element))
9874   {
9875     int belt_nr = getBeltNrFromBeltElement(new_element);
9876     int last_element_new = EL_UNDEFINED;
9877     int direction = MV_NONE;
9878     int i;
9879
9880     /* if old element is of same kind, keep all existing directions */
9881     if (IS_BELT(old_element))
9882       direction |= getOpenDirectionFromBelt(old_element);
9883
9884     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9885     {
9886       int xx = x + xy[i][0];
9887       int yy = y + xy[i][1];
9888
9889       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9890           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9891       {
9892         int dir = MV_DIR_FROM_BIT(i);
9893         int dir_opposite = MV_DIR_OPPOSITE(dir);
9894         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9895         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9896         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9897         int last_direction_new = last_direction_old | dir_opposite;
9898
9899         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9900                                                          last_direction_new);
9901         direction |= dir;
9902       }
9903     }
9904
9905     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9906                                                         new_element);
9907     if (last_element_new != EL_UNDEFINED)
9908       MergeAndCloseNeighbourElements(x, y, &new_element,
9909                                      last_x, last_y, &last_element_new,
9910                                      getClosedBelt, change_level);
9911   }
9912   else if (IS_ACID_POOL_OR_ACID(new_element))
9913   {
9914     int last_element_new = EL_UNDEFINED;
9915     int direction = MV_NONE;
9916     int i;
9917
9918     /* if old element is of same kind, keep all existing directions */
9919     if (IS_ACID_POOL_OR_ACID(old_element))
9920       direction |= getOpenDirectionFromPool(old_element);
9921
9922     for (i = 0; i < NUM_DIRECTIONS; i++)
9923     {
9924       int xx = x + xy[i][0];
9925       int yy = y + xy[i][1];
9926
9927       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9928           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9929       {
9930         int dir = MV_DIR_FROM_BIT(i);
9931         int dir_opposite = MV_DIR_OPPOSITE(dir);
9932         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9933         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9934         int last_direction_new = last_direction_old | dir_opposite;
9935
9936         last_element_new = getPoolFromOpenDirection(last_direction_new);
9937
9938         direction |= dir;
9939       }
9940     }
9941
9942     /* special corrections needed for intuitively correct acid pool drawing */
9943     if (last_element_new == EL_EMPTY)
9944       last_element_new = new_element;
9945     else if (last_element_new != EL_UNDEFINED)
9946       new_element = last_element_new;
9947
9948     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9949
9950     if (last_element_new != EL_UNDEFINED)
9951       MergeAndCloseNeighbourElements(x, y, &new_element,
9952                                      last_x, last_y, &last_element_new,
9953                                      getClosedPool, change_level);
9954   }
9955   else if (IS_EMC_PILLAR(new_element))
9956   {
9957     int last_element_new = EL_UNDEFINED;
9958     int direction = MV_NONE;
9959     int i;
9960
9961     /* if old element is of same kind, keep all existing directions */
9962     if (IS_EMC_PILLAR(old_element))
9963       direction |= getOpenDirectionFromPillar(old_element);
9964
9965     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9966     {
9967       int xx = x + xy[i][0];
9968       int yy = y + xy[i][1];
9969
9970       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9971           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9972       {
9973         int dir = MV_DIR_FROM_BIT(i);
9974         int dir_opposite = MV_DIR_OPPOSITE(dir);
9975         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9976         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9977         int last_direction_new = last_direction_old | dir_opposite;
9978
9979         last_element_new = getPillarFromOpenDirection(last_direction_new);
9980
9981         direction |= dir;
9982       }
9983     }
9984
9985     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9986
9987     if (last_element_new != EL_UNDEFINED)
9988       MergeAndCloseNeighbourElements(x, y, &new_element,
9989                                      last_x, last_y, &last_element_new,
9990                                      getClosedPillar, change_level);
9991   }
9992   else if (IS_DC_STEELWALL_2(new_element))
9993   {
9994     int last_element_new = EL_UNDEFINED;
9995     int direction = MV_NONE;
9996     int i;
9997
9998     /* if old element is of same kind, keep all existing directions */
9999     if (IS_DC_STEELWALL_2(old_element))
10000       direction |= getOpenDirectionFromSteel2(old_element);
10001
10002     for (i = 0; i < NUM_DIRECTIONS; i++)
10003     {
10004       int xx = x + xy[i][0];
10005       int yy = y + xy[i][1];
10006
10007       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10008           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
10009       {
10010         int dir = MV_DIR_FROM_BIT(i);
10011         int dir_opposite = MV_DIR_OPPOSITE(dir);
10012         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10013         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
10014         int last_direction_new = last_direction_old | dir_opposite;
10015
10016         last_element_new = getSteel2FromOpenDirection(last_direction_new);
10017
10018         direction |= dir;
10019       }
10020     }
10021
10022     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
10023
10024     if (last_element_new != EL_UNDEFINED)
10025       MergeAndCloseNeighbourElements(x, y, &new_element,
10026                                      last_x, last_y, &last_element_new,
10027                                      getClosedSteel2, change_level);
10028   }
10029   else if (IS_SP_CHIP(new_element))
10030   {
10031     int last_element_new = EL_UNDEFINED;
10032     int direction = MV_NONE;
10033     int i;
10034
10035     /* (do not keep existing directions, regardless of kind of old element) */
10036
10037     for (i = 0; i < NUM_DIRECTIONS; i++)
10038     {
10039       int xx = x + xy[i][0];
10040       int yy = y + xy[i][1];
10041
10042       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10043           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
10044       {
10045         int dir = MV_DIR_FROM_BIT(i);
10046         int dir_opposite = MV_DIR_OPPOSITE(dir);
10047         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10048         int last_direction_old = getOpenDirectionFromChip(last_element_old);
10049         int last_direction_new = last_direction_old | dir_opposite;
10050
10051         if (last_direction_old == MV_NONE)
10052         {
10053           last_element_new = getChipFromOpenDirection(last_direction_new);
10054           direction |= dir;
10055         }
10056         else if (last_direction_old & (dir | dir_opposite))
10057         {
10058           direction |= MV_DIR_OPPOSITE(last_direction_old);
10059         }
10060         else
10061         {
10062           direction |= MV_DIR_OPPOSITE(dir);
10063         }
10064       }
10065     }
10066
10067     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
10068
10069     if (last_element_new != EL_UNDEFINED)
10070       MergeAndCloseNeighbourElements(x, y, &new_element,
10071                                      last_x, last_y, &last_element_new,
10072                                      getClosedChip, change_level);
10073   }
10074   else if (IS_SP_HARDWARE_BASE(new_element))
10075   {
10076     int nr = GetSimpleRandom(6);
10077
10078     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
10079                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
10080                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
10081                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
10082                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
10083   }
10084   else if (new_element == EL_SP_HARDWARE_GREEN ||
10085            new_element == EL_SP_HARDWARE_BLUE ||
10086            new_element == EL_SP_HARDWARE_RED)
10087   {
10088     int nr = GetSimpleRandom(3);
10089
10090     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
10091                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
10092   }
10093   else if (IS_GROUP_ELEMENT(new_element))
10094   {
10095     boolean connected_drawing = FALSE;
10096     int i;
10097
10098     for (i = 0; i < NUM_DIRECTIONS; i++)
10099     {
10100       int xx = x + xy[i][0];
10101       int yy = y + xy[i][1];
10102
10103       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10104           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
10105         connected_drawing = TRUE;
10106     }
10107
10108     if (!connected_drawing)
10109       ResolveGroupElement(new_element);
10110
10111     new_element = GetElementFromGroupElement(new_element);
10112   }
10113   else if (IS_BELT_SWITCH(old_element))
10114   {
10115     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
10116     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
10117
10118     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
10119                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
10120
10121     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
10122   }
10123   else
10124   {
10125     static int swappable_elements[][2] =
10126     {
10127       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
10128       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
10129       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
10130       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
10131       { EL_EMERALD,                     EL_WALL_EMERALD                 },
10132       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
10133       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
10134       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
10135       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
10136       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
10137       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
10138       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
10139       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
10140       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
10141       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
10142       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
10143       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
10144       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
10145       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
10146       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
10147       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
10148       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
10149       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
10150       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
10151       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
10152       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
10153       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
10154       { EL_PEARL,                       EL_WALL_PEARL                   },
10155       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
10156       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
10157       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
10158       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
10159       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
10160       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
10161       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
10162       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
10163       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
10164       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
10165       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
10166       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
10167
10168       { -1,                             -1                              },
10169     };
10170     static int rotatable_elements[][4] =
10171     {
10172       {
10173         EL_BUG_UP,
10174         EL_BUG_RIGHT,
10175         EL_BUG_DOWN,
10176         EL_BUG_LEFT
10177       },
10178
10179       {
10180         EL_SPACESHIP_UP,
10181         EL_SPACESHIP_RIGHT,
10182         EL_SPACESHIP_DOWN,
10183         EL_SPACESHIP_LEFT
10184       },
10185
10186       {
10187         EL_BD_BUTTERFLY_UP,
10188         EL_BD_BUTTERFLY_RIGHT,
10189         EL_BD_BUTTERFLY_DOWN,
10190         EL_BD_BUTTERFLY_LEFT
10191       },
10192
10193       {
10194         EL_BD_FIREFLY_UP,
10195         EL_BD_FIREFLY_RIGHT,
10196         EL_BD_FIREFLY_DOWN,
10197         EL_BD_FIREFLY_LEFT
10198       },
10199
10200       {
10201         EL_PACMAN_UP,
10202         EL_PACMAN_RIGHT,
10203         EL_PACMAN_DOWN,
10204         EL_PACMAN_LEFT
10205       },
10206
10207       {
10208         EL_YAMYAM_UP,
10209         EL_YAMYAM_RIGHT,
10210         EL_YAMYAM_DOWN,
10211         EL_YAMYAM_LEFT
10212       },
10213
10214       {
10215         EL_ARROW_UP,
10216         EL_ARROW_RIGHT,
10217         EL_ARROW_DOWN,
10218         EL_ARROW_LEFT
10219       },
10220
10221       {
10222         EL_SP_PORT_UP,
10223         EL_SP_PORT_RIGHT,
10224         EL_SP_PORT_DOWN,
10225         EL_SP_PORT_LEFT
10226       },
10227
10228       {
10229         EL_SP_GRAVITY_PORT_UP,
10230         EL_SP_GRAVITY_PORT_RIGHT,
10231         EL_SP_GRAVITY_PORT_DOWN,
10232         EL_SP_GRAVITY_PORT_LEFT
10233       },
10234
10235       {
10236         EL_SP_GRAVITY_ON_PORT_UP,
10237         EL_SP_GRAVITY_ON_PORT_RIGHT,
10238         EL_SP_GRAVITY_ON_PORT_DOWN,
10239         EL_SP_GRAVITY_ON_PORT_LEFT
10240       },
10241
10242       {
10243         EL_SP_GRAVITY_OFF_PORT_UP,
10244         EL_SP_GRAVITY_OFF_PORT_RIGHT,
10245         EL_SP_GRAVITY_OFF_PORT_DOWN,
10246         EL_SP_GRAVITY_OFF_PORT_LEFT
10247       },
10248
10249       {
10250         EL_MOLE_UP,
10251         EL_MOLE_RIGHT,
10252         EL_MOLE_DOWN,
10253         EL_MOLE_LEFT
10254       },
10255
10256       {
10257         EL_BALLOON_SWITCH_UP,
10258         EL_BALLOON_SWITCH_RIGHT,
10259         EL_BALLOON_SWITCH_DOWN,
10260         EL_BALLOON_SWITCH_LEFT
10261       },
10262
10263       {
10264         -1,
10265         -1,
10266         -1,
10267         -1,
10268       },
10269     };
10270     int i, j;
10271
10272     for (i = 0; swappable_elements[i][0] != -1; i++)
10273     {
10274       int element1 = swappable_elements[i][0];
10275       int element2 = swappable_elements[i][1];
10276
10277       if (old_element == element1 || old_element == element2)
10278         new_element = (old_element == element1 ? element2 : element1);
10279     }
10280
10281     for (i = 0; rotatable_elements[i][0] != -1; i++)
10282     {
10283       for (j = 0; j < 4; j++)
10284       {
10285         int element = rotatable_elements[i][j];
10286
10287         if (old_element == element)
10288           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
10289                          button == 2 ? rotatable_elements[i][0]           :
10290                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
10291                          old_element);
10292       }
10293     }
10294   }
10295
10296   SetElementSimple(x, y, new_element, change_level);
10297
10298   last_x = x;
10299   last_y = y;
10300 }
10301
10302 static void ResetIntelliDraw()
10303 {
10304   int x, y;
10305
10306   for (x = 0; x < lev_fieldx; x++)
10307     for (y = 0; y < lev_fieldy; y++)
10308       IntelliDrawBuffer[x][y] = Feld[x][y];
10309
10310   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
10311 }
10312
10313 static void SetElementExt(int x, int y, int element, boolean change_level,
10314                           int button)
10315 {
10316   if (element < 0)
10317     SetElementSimple(x, y, Feld[x][y], change_level);
10318   else if (GetKeyModState() & KMOD_Shift)
10319     SetElementIntelliDraw(x, y, element, change_level, button);
10320   else
10321     SetElementSimple(x, y, element, change_level);
10322 }
10323
10324 static void SetElement(int x, int y, int element)
10325 {
10326   SetElementExt(x, y, element, TRUE, -1);
10327 }
10328
10329 static void SetElementButton(int x, int y, int element, int button)
10330 {
10331   SetElementExt(x, y, element, TRUE, button);
10332 }
10333
10334 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
10335 {
10336   int lx = sx + level_xpos;
10337   int ly = sy + level_ypos;
10338
10339   SetElementExt(lx, ly, element, change_level, -1);
10340 }
10341
10342 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
10343                      int element, boolean change_level)
10344 {
10345   int xsize = ABS(to_x - from_x);
10346   int ysize = ABS(to_y - from_y);
10347   int dx = (to_x < from_x ? -1 : +1);
10348   int dy = (to_y < from_y ? -1 : +1);
10349   int i;
10350
10351   if (from_y == to_y)                   /* horizontal line */
10352   {
10353     for (i = 0; i <= xsize; i++)
10354       DrawLineElement(from_x + i * dx, from_y, element, change_level);
10355   }
10356   else if (from_x == to_x)              /* vertical line */
10357   {
10358     for (i = 0; i <= ysize; i++)
10359       DrawLineElement(from_x, from_y + i * dy, element, change_level);
10360   }
10361   else                                  /* diagonal line */
10362   {
10363     if (ysize < xsize)                  /* a < 1 */
10364     {
10365       float a = (float)ysize / (float)xsize;
10366
10367       for (i = 0; i <= xsize; i++)
10368       {
10369         int x = dx * i;
10370         int y = dy * (int)(a * i + 0.5);
10371
10372         DrawLineElement(from_x + x, from_y + y, element, change_level);
10373       }
10374     }
10375     else                                /* a >= 1 */
10376     {
10377       float a = (float)xsize / (float)ysize;
10378
10379       for (i = 0; i <= ysize; i++)
10380       {
10381         int x = dx * (int)(a * i + 0.5);
10382         int y = dy * i;
10383
10384         DrawLineElement(from_x + x, from_y + y, element, change_level);
10385       }
10386     }
10387   }
10388 }
10389
10390 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
10391                     int element, boolean change_level)
10392 {
10393   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
10394   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
10395   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
10396   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
10397 }
10398
10399 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
10400                           int element, boolean change_level)
10401 {
10402   int y;
10403
10404   if (from_y > to_y)
10405     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
10406
10407   for (y = from_y; y <= to_y; y++)
10408     DrawLine(from_x, y, to_x, y, element, change_level);
10409 }
10410
10411 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
10412                        int element, boolean change_level)
10413 {
10414   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
10415   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
10416   int len_x = ABS(to_x - from_x);
10417   int len_y = ABS(to_y - from_y);
10418   int radius, x, y;
10419
10420   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
10421
10422   /* not optimal (some points get drawn twice) but simple,
10423      and fast enough for the few points we are drawing */
10424
10425   for (x = 0; x <= radius; x++)
10426   {
10427     int sx, sy, lx, ly;
10428
10429     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
10430
10431     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10432     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10433     lx = sx + level_xpos;
10434     ly = sy + level_ypos;
10435
10436     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10437       DrawLineElement(sx, sy, element, change_level);
10438   }
10439
10440   for (y = 0; y <= radius; y++)
10441   {
10442     int sx, sy, lx, ly;
10443
10444     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
10445
10446     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10447     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10448     lx = sx + level_xpos;
10449     ly = sy + level_ypos;
10450
10451     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10452       DrawLineElement(sx, sy, element, change_level);
10453   }
10454 }
10455
10456 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
10457                     int element, boolean change_level)
10458 {
10459   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10460   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10461
10462   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10463 }
10464
10465 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
10466
10467 #if DRAW_CIRCLES_BUTTON_AVAILABLE
10468 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
10469                        int element, boolean change_level)
10470 {
10471   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10472   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10473   int mirror_to_x2 = from_x - (to_x2 - from_x);
10474   int mirror_to_y2 = from_y - (to_y2 - from_y);
10475
10476   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10477   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
10478   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
10479   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
10480 }
10481 #endif
10482
10483 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
10484 {
10485   int from_sx, from_sy;
10486   int to_sx, to_sy;
10487
10488   if (from_x > to_x)
10489     swap_numbers(&from_x, &to_x);
10490
10491   if (from_y > to_y)
10492     swap_numbers(&from_y, &to_y);
10493
10494   from_sx = SX + from_x * ed_tilesize;
10495   from_sy = SY + from_y * ed_tilesize;
10496   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
10497   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
10498
10499   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
10500   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
10501   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
10502   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
10503
10504   if (from_x == to_x && from_y == to_y)
10505     MarkTileDirty(from_x/2, from_y/2);
10506   else
10507     redraw_mask |= REDRAW_FIELD;
10508 }
10509
10510 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
10511                        int element, boolean change_level)
10512 {
10513   if (element == -1 || change_level)
10514     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
10515   else
10516     DrawAreaBorder(from_x, from_y, to_x, to_y);
10517 }
10518
10519 /* values for CopyBrushExt() */
10520 #define CB_AREA_TO_BRUSH        0
10521 #define CB_BRUSH_TO_CURSOR      1
10522 #define CB_BRUSH_TO_LEVEL       2
10523 #define CB_DELETE_OLD_CURSOR    3
10524 #define CB_DUMP_BRUSH           4
10525 #define CB_DUMP_BRUSH_SMALL     5
10526
10527 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10528                          int button, int mode)
10529 {
10530   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10531   static int brush_width, brush_height;
10532   static int last_cursor_x = -1, last_cursor_y = -1;
10533   static boolean delete_old_brush;
10534   int new_element = BUTTON_ELEMENT(button);
10535   int x, y;
10536
10537   if (mode == CB_DUMP_BRUSH ||
10538       mode == CB_DUMP_BRUSH_SMALL)
10539   {
10540     if (!draw_with_brush)
10541     {
10542       Error(ERR_WARN, "no brush selected");
10543
10544       return;
10545     }
10546
10547     for (y = 0; y < brush_height; y++)
10548     {
10549       for (x = 0; x < brush_width; x++)
10550       {
10551         int element = brush_buffer[x][y];
10552         int element_mapped = element;
10553
10554         if (IS_CUSTOM_ELEMENT(element))
10555           element_mapped = EL_CUSTOM_START;
10556         else if (IS_GROUP_ELEMENT(element))
10557           element_mapped = EL_GROUP_START;
10558         else if (element >= NUM_FILE_ELEMENTS)
10559           element_mapped = EL_UNKNOWN;
10560
10561         // dump brush as level sketch text for the R'n'D forum:
10562         // - large tiles: `xxx (0x60 ASCII)
10563         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
10564         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
10565       }
10566
10567       printf("\n");
10568     }
10569
10570     return;
10571   }
10572
10573   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10574     return;
10575
10576   if (mode == CB_AREA_TO_BRUSH)
10577   {
10578     int from_lx, from_ly;
10579
10580     if (from_x > to_x)
10581       swap_numbers(&from_x, &to_x);
10582
10583     if (from_y > to_y)
10584       swap_numbers(&from_y, &to_y);
10585
10586     brush_width = to_x - from_x + 1;
10587     brush_height = to_y - from_y + 1;
10588
10589     from_lx = from_x + level_xpos;
10590     from_ly = from_y + level_ypos;
10591
10592     for (y = 0; y < brush_height; y++)
10593     {
10594       for (x = 0; x < brush_width; x++)
10595       {
10596         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10597
10598         if (button != 1)
10599           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10600       }
10601     }
10602
10603     if (button != 1)
10604       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10605
10606     delete_old_brush = FALSE;
10607   }
10608   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10609            mode == CB_BRUSH_TO_LEVEL)
10610   {
10611     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10612     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10613     int cursor_from_x = cursor_x - brush_width / 2;
10614     int cursor_from_y = cursor_y - brush_height / 2;
10615     int border_from_x = cursor_x, border_from_y = cursor_y;
10616     int border_to_x = cursor_x, border_to_y = cursor_y;
10617
10618     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10619       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10620
10621     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10622         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10623     {
10624       delete_old_brush = FALSE;
10625       return;
10626     }
10627
10628     for (y = 0; y < brush_height; y++)
10629     {
10630       for (x = 0; x < brush_width; x++)
10631       {
10632         int sx = cursor_from_x + x;
10633         int sy = cursor_from_y + y;
10634         int lx = sx + level_xpos;
10635         int ly = sy + level_ypos;
10636         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10637         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10638                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10639                        brush_buffer[x][y] : new_element);
10640
10641         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10642         {
10643           if (sx < border_from_x)
10644             border_from_x = sx;
10645           else if (sx > border_to_x)
10646             border_to_x = sx;
10647           if (sy < border_from_y)
10648             border_from_y = sy;
10649           else if (sy > border_to_y)
10650             border_to_y = sy;
10651
10652           DrawLineElement(sx, sy, element, change_level);
10653         }
10654       }
10655     }
10656
10657     if (mode != CB_DELETE_OLD_CURSOR)
10658       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10659
10660     last_cursor_x = cursor_x;
10661     last_cursor_y = cursor_y;
10662     delete_old_brush = TRUE;
10663   }
10664 }
10665
10666 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10667                             int button)
10668 {
10669   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10670 }
10671
10672 static void CopyBrushToLevel(int x, int y, int button)
10673 {
10674   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10675 }
10676
10677 static void CopyBrushToCursor(int x, int y)
10678 {
10679   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10680 }
10681
10682 static void DeleteBrushFromCursor()
10683 {
10684   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10685 }
10686
10687 void DumpBrush()
10688 {
10689   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10690 }
10691
10692 void DumpBrush_Small()
10693 {
10694   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10695 }
10696
10697 static void FloodFill(int from_x, int from_y, int fill_element)
10698 {
10699   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10700 }
10701
10702 /* values for DrawLevelText() modes */
10703 #define TEXT_INIT               0
10704 #define TEXT_SETCURSOR          1
10705 #define TEXT_WRITECHAR          2
10706 #define TEXT_BACKSPACE          3
10707 #define TEXT_NEWLINE            4
10708 #define TEXT_END                5
10709 #define TEXT_QUERY_TYPING       6
10710
10711 static int DrawLevelText(int sx, int sy, char letter, int mode)
10712 {
10713   static short delete_buffer[MAX_LEV_FIELDX];
10714   static int start_sx;
10715   static int last_sx, last_sy;
10716   static boolean typing = FALSE;
10717   int letter_element = EL_CHAR_ASCII0 + letter;
10718   int lx = 0, ly = 0;
10719
10720   /* map lower case letters to upper case and convert special characters */
10721   if (letter >= 'a' && letter <= 'z')
10722     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10723   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
10724     letter_element = EL_CHAR_AUMLAUT;
10725   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
10726     letter_element = EL_CHAR_OUMLAUT;
10727   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
10728     letter_element = EL_CHAR_UUMLAUT;
10729   else if (letter == '^')
10730     letter_element = EL_CHAR_COPYRIGHT;
10731   else
10732     letter_element = EL_CHAR_ASCII0 + letter;
10733
10734   if (mode != TEXT_INIT)
10735   {
10736     if (!typing)
10737       return FALSE;
10738
10739     if (mode != TEXT_SETCURSOR)
10740     {
10741       sx = last_sx;
10742       sy = last_sy;
10743     }
10744
10745     lx = last_sx + level_xpos;
10746     ly = last_sy + level_ypos;
10747   }
10748
10749   switch (mode)
10750   {
10751     case TEXT_INIT:
10752       if (typing)
10753         DrawLevelText(0, 0, 0, TEXT_END);
10754
10755       typing = TRUE;
10756       start_sx = sx;
10757       last_sx = sx;
10758       last_sy = sy;
10759       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10760       break;
10761
10762     case TEXT_SETCURSOR:
10763       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
10764       DrawAreaBorder(sx, sy, sx, sy);
10765       last_sx = sx;
10766       last_sy = sy;
10767       break;
10768
10769     case TEXT_WRITECHAR:
10770       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10771       {
10772         if (new_element1 >= EL_STEEL_CHAR_START &&
10773             new_element1 <= EL_STEEL_CHAR_END)
10774           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
10775
10776         delete_buffer[sx - start_sx] = Feld[lx][ly];
10777         Feld[lx][ly] = letter_element;
10778
10779         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10780           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10781         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10782           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10783         else
10784           DrawLevelText(0, 0, 0, TEXT_END);
10785
10786         level.changed = TRUE;
10787       }
10788       break;
10789
10790     case TEXT_BACKSPACE:
10791       if (sx > start_sx)
10792       {
10793         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10794         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
10795         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10796       }
10797       break;
10798
10799     case TEXT_NEWLINE:
10800       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10801         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10802       else
10803         DrawLevelText(0, 0, 0, TEXT_END);
10804       break;
10805
10806     case TEXT_END:
10807       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10808       DrawEditorElement(sx, sy, Feld[lx][ly]);
10809       typing = FALSE;
10810       break;
10811
10812     case TEXT_QUERY_TYPING:
10813       break;
10814
10815     default:
10816       break;
10817   }
10818
10819   return typing;
10820 }
10821
10822 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10823                           int element, boolean change_level)
10824 {
10825   int lx = sx + level_xpos;
10826   int ly = sy + level_ypos;
10827
10828   if (element == -1)
10829     DrawEditorElement(sx, sy, Feld[lx][ly]);
10830   else
10831     DrawAreaBorder(sx, sy, sx, sy);
10832 }
10833
10834 static void CheckLevelBorderElement(boolean redraw_playfield)
10835 {
10836   int last_border_element = BorderElement;
10837
10838   SetBorderElement();
10839
10840   if (redraw_playfield && BorderElement != last_border_element)
10841     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10842 }
10843
10844 static void CopyLevelToUndoBuffer(int mode)
10845 {
10846   static boolean accumulated_undo = FALSE;
10847   boolean new_undo_buffer_position = TRUE;
10848   int x, y;
10849
10850   if (undo_buffer_steps == 0)
10851     accumulated_undo = FALSE;
10852
10853   switch (mode)
10854   {
10855     case UNDO_IMMEDIATE:
10856       accumulated_undo = FALSE;
10857       break;
10858
10859     case UNDO_ACCUMULATE:
10860       if (accumulated_undo)
10861         new_undo_buffer_position = FALSE;
10862       accumulated_undo = TRUE;
10863       break;
10864
10865     default:
10866       break;
10867   }
10868
10869   if (new_undo_buffer_position)
10870   {
10871     /* advance position in undo buffer ring */
10872     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10873
10874     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10875       undo_buffer_steps++;
10876   }
10877
10878   /* always reset redo buffer when storing level change into undo buffer */
10879   redo_buffer_steps = 0;
10880
10881   for (x = 0; x < lev_fieldx; x++)
10882     for (y = 0; y < lev_fieldy; y++)
10883       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10884
10885   /* check if drawing operation forces change of border style */
10886   CheckLevelBorderElement(TRUE);
10887
10888   level.changed = TRUE;
10889 }
10890
10891 static void RandomPlacement(int new_element)
10892 {
10893   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10894   int num_free_positions = 0;
10895   int num_percentage, num_elements;
10896   int x, y;
10897
10898   ResetIntelliDraw();
10899
10900   /* determine number of free positions for randomly placing the new element */
10901   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10902   {
10903     free_position[x][y] =
10904       (random_placement_background_restricted ?
10905        Feld[x][y] == random_placement_background_element :
10906        Feld[x][y] != new_element);
10907
10908     if (free_position[x][y])
10909       num_free_positions++;
10910   }
10911
10912   /* determine number of new elements to place there */
10913   num_percentage = num_free_positions * random_placement_value / 100;
10914   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10915                   num_percentage : random_placement_value);
10916
10917   /* if less free positions than elements to place, fill all these positions */
10918   if (num_free_positions < num_elements)
10919   {
10920     for (x = 0; x < lev_fieldx; x++)
10921       for (y = 0; y < lev_fieldy; y++)
10922         if (free_position[x][y])
10923           SetElement(x, y, new_element);
10924   }
10925   else
10926   {
10927     while (num_elements > 0)
10928     {
10929       x = GetSimpleRandom(lev_fieldx);
10930       y = GetSimpleRandom(lev_fieldy);
10931
10932       /* don't place element at the same position twice */
10933       if (free_position[x][y])
10934       {
10935         free_position[x][y] = FALSE;
10936         SetElement(x, y, new_element);
10937         num_elements--;
10938       }
10939     }
10940   }
10941
10942   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10943   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10944 }
10945
10946 void WrapLevel(int dx, int dy)
10947 {
10948   int wrap_dx = lev_fieldx - dx;
10949   int wrap_dy = lev_fieldy - dy;
10950   int x, y;
10951
10952   for (x = 0; x < lev_fieldx; x++)
10953     for (y = 0; y < lev_fieldy; y++)
10954       FieldBackup[x][y] = Feld[x][y];
10955
10956   for (x = 0; x < lev_fieldx; x++)
10957     for (y = 0; y < lev_fieldy; y++)
10958       Feld[x][y] =
10959         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10960
10961   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10962   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10963 }
10964
10965 static void HandleDrawingAreas(struct GadgetInfo *gi)
10966 {
10967   static boolean started_inside_drawing_area = FALSE;
10968   int id = gi->custom_id;
10969   int type_id = gi->custom_type_id;
10970   boolean button_press_event;
10971   boolean button_release_event;
10972   boolean inside_drawing_area = !gi->event.off_borders;
10973   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10974   int actual_drawing_function;
10975   int button = gi->event.button;
10976   int new_element = BUTTON_ELEMENT(button);
10977   int sx = gi->event.x, sy = gi->event.y;
10978   int min_sx = 0, min_sy = 0;
10979   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10980   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10981   int lx = 0, ly = 0;
10982   int min_lx = 0, min_ly = 0;
10983   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10984   int x, y;
10985
10986   /* handle info callback for each invocation of action callback */
10987   gi->callback_info(gi);
10988
10989   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10990   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10991
10992   /* make sure to stay inside drawing area boundaries */
10993   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10994   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10995
10996   if (draw_level)
10997   {
10998     /* get positions inside level field */
10999     lx = sx + level_xpos;
11000     ly = sy + level_ypos;
11001
11002     if (!IN_LEV_FIELD(lx, ly))
11003       inside_drawing_area = FALSE;
11004
11005     /* make sure to stay inside level field boundaries */
11006     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11007     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11008
11009     /* correct drawing area positions accordingly */
11010     sx = lx - level_xpos;
11011     sy = ly - level_ypos;
11012   }
11013
11014   if (button_press_event)
11015     started_inside_drawing_area = inside_drawing_area;
11016
11017   if (!started_inside_drawing_area)
11018     return;
11019
11020   if (!IS_VALID_BUTTON(button))
11021     return;
11022
11023   if (!button && !button_release_event)
11024     return;
11025
11026   /* automatically switch to 'single item' drawing mode, if needed */
11027   actual_drawing_function =
11028     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
11029      drawing_function : GADGET_ID_SINGLE_ITEMS);
11030
11031   /* clicking into drawing area with pressed Control key picks element */
11032   if (GetKeyModState() & KMOD_Control)
11033   {
11034     last_drawing_function = drawing_function;
11035     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11036   }
11037
11038   if (GetKeyModState() & KMOD_Shift)
11039   {
11040     if (button_press_event || button_release_event)
11041       ResetIntelliDraw();
11042   }
11043
11044   switch (actual_drawing_function)
11045   {
11046     case GADGET_ID_SINGLE_ITEMS:
11047       if (draw_level)
11048       {
11049         if (button_release_event)
11050         {
11051           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11052
11053           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
11054               !inside_drawing_area)
11055             DeleteBrushFromCursor();
11056         }
11057
11058         if (!button || button_release_event)
11059           break;
11060
11061         if (draw_with_brush)
11062         {
11063           CopyBrushToLevel(sx, sy, button);
11064         }
11065         else
11066         {
11067           if (new_element == EL_PLAYER_1)
11068           {
11069             /* remove player at old position */
11070             for (y = 0; y < lev_fieldy; y++)
11071               for (x = 0; x < lev_fieldx; x++)
11072                 if (Feld[x][y] == EL_PLAYER_1)
11073                   SetElement(x, y, EL_EMPTY);
11074           }
11075
11076           SetElementButton(lx, ly, new_element, button);
11077         }
11078       }
11079       else if (!button_release_event)
11080       {
11081         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11082
11083         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
11084           DrawMiniGraphicExt(drawto,
11085                              gi->x + sx * MINI_TILEX,
11086                              gi->y + sy * MINI_TILEY,
11087                              el2edimg(new_element));
11088         else
11089           DrawFixedGraphicExt(drawto,
11090                               gi->x + sx * TILEX,
11091                               gi->y + sy * TILEY,
11092                               el2edimg(new_element), 0);
11093
11094         if (id == GADGET_ID_CUSTOM_GRAPHIC)
11095           new_element = GFX_ELEMENT(new_element);
11096
11097         drawingarea_info[type_id].value[pos] = new_element;
11098
11099         CopyElementPropertiesToGame(properties_element);
11100
11101         if (id == GADGET_ID_CUSTOM_GRAPHIC)
11102         {
11103           UpdateCustomElementGraphicGadgets();
11104
11105           FrameCounter = 0;     /* restart animation frame counter */
11106         }
11107       }
11108       break;
11109
11110     case GADGET_ID_CONNECTED_ITEMS:
11111       {
11112         static int last_sx = -1;
11113         static int last_sy = -1;
11114
11115         if (button_release_event)
11116           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11117
11118         if (button)
11119         {
11120           if (!button_press_event)
11121             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
11122
11123           last_sx = sx;
11124           last_sy = sy;
11125         }
11126       }
11127       break;
11128
11129     case GADGET_ID_LINE:
11130     case GADGET_ID_ARC:
11131     case GADGET_ID_RECTANGLE:
11132     case GADGET_ID_FILLED_BOX:
11133     case GADGET_ID_GRAB_BRUSH:
11134     case GADGET_ID_TEXT:
11135       {
11136         static int last_sx = -1;
11137         static int last_sy = -1;
11138         static int start_sx = -1;
11139         static int start_sy = -1;
11140         void (*draw_func)(int, int, int, int, int, boolean);
11141
11142         if (drawing_function == GADGET_ID_LINE)
11143           draw_func = DrawLine;
11144         else if (drawing_function == GADGET_ID_ARC)
11145           draw_func = DrawArc;
11146         else if (drawing_function == GADGET_ID_RECTANGLE)
11147           draw_func = DrawBox;
11148         else if (drawing_function == GADGET_ID_FILLED_BOX)
11149           draw_func = DrawFilledBox;
11150         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
11151           draw_func = SelectArea;
11152         else /* (drawing_function == GADGET_ID_TEXT) */
11153           draw_func = SetTextCursor;
11154
11155         if (button_press_event)
11156         {
11157           draw_func(sx, sy, sx, sy, new_element, FALSE);
11158           start_sx = last_sx = sx;
11159           start_sy = last_sy = sy;
11160
11161           if (drawing_function == GADGET_ID_TEXT)
11162             DrawLevelText(0, 0, 0, TEXT_END);
11163         }
11164         else if (button_release_event)
11165         {
11166           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
11167           if (drawing_function == GADGET_ID_GRAB_BRUSH)
11168           {
11169             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
11170             CopyBrushToCursor(sx, sy);
11171             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11172                           MB_LEFTBUTTON);
11173             draw_with_brush = TRUE;
11174           }
11175           else if (drawing_function == GADGET_ID_TEXT)
11176             DrawLevelText(sx, sy, 0, TEXT_INIT);
11177           else
11178             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11179         }
11180         else if (last_sx != sx || last_sy != sy)
11181         {
11182           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
11183           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
11184           last_sx = sx;
11185           last_sy = sy;
11186         }
11187       }
11188       break;
11189
11190     case GADGET_ID_FLOOD_FILL:
11191       if (button_press_event && Feld[lx][ly] != new_element)
11192       {
11193         FloodFill(lx, ly, new_element);
11194         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11195         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11196       }
11197       break;
11198
11199     case GADGET_ID_PICK_ELEMENT:
11200       if (button_release_event)
11201         ClickOnGadget(level_editor_gadget[last_drawing_function],
11202                       MB_LEFTBUTTON);
11203       else if (draw_level)
11204         PickDrawingElement(button, Feld[lx][ly]);
11205       else
11206       {
11207         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11208
11209         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
11210       }
11211
11212     default:
11213       break;
11214   }
11215
11216   /* do not mark level as modified for certain non-level-changing gadgets */
11217   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
11218        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
11219       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11220     return;
11221
11222   level.changed = TRUE;
11223 }
11224
11225 static void HandleCounterButtons(struct GadgetInfo *gi)
11226 {
11227   int gadget_id = gi->custom_id;
11228   int counter_id = gi->custom_type_id;
11229   int button = gi->event.button;
11230   int *counter_value = counterbutton_info[counter_id].value;
11231   int step = BUTTON_STEPSIZE(button) *
11232     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
11233
11234   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
11235   {
11236     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
11237     boolean released = (gi->event.type == GD_EVENT_RELEASED);
11238     boolean level_changed = LevelChanged();
11239
11240     if ((level_changed && pressed) || (!level_changed && released))
11241       return;
11242
11243     if (level_changed && !Request("Level has changed! Discard changes?",
11244                                   REQ_ASK))
11245     {
11246       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
11247         ModifyEditorCounterValue(counter_id, *counter_value);
11248
11249       return;
11250     }
11251   }
11252
11253   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
11254     *counter_value = gi->textinput.number_value;
11255   else
11256     ModifyEditorCounterValue(counter_id, *counter_value + step);
11257
11258   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
11259   {
11260       LoadLevel(level_nr);
11261       LoadScore(level_nr);
11262
11263       TapeErase();
11264
11265       ResetUndoBuffer();
11266       DrawEditModeWindow();
11267
11268       return;
11269   }
11270
11271   switch (counter_id)
11272   {
11273     case ED_COUNTER_ID_YAMYAM_CONTENT:
11274       DrawYamYamContentAreas();
11275       break;
11276
11277     case ED_COUNTER_ID_BALL_CONTENT:
11278       DrawMagicBallContentAreas();
11279       break;
11280
11281     case ED_COUNTER_ID_ANDROID_CONTENT:
11282       DrawAndroidElementArea(properties_element);
11283       break;
11284
11285     case ED_COUNTER_ID_GROUP_CONTENT:
11286       DrawGroupElementArea(properties_element);
11287       CopyGroupElementPropertiesToGame(properties_element);
11288       break;
11289
11290     case ED_COUNTER_ID_INVENTORY_SIZE:
11291       DrawPlayerInitialInventoryArea(properties_element);
11292       break;
11293
11294     case ED_COUNTER_ID_ENVELOPE_XSIZE:
11295     case ED_COUNTER_ID_ENVELOPE_YSIZE:
11296       DrawEnvelopeTextArea(-1);
11297       break;
11298
11299     case ED_COUNTER_ID_LEVEL_XSIZE:
11300     case ED_COUNTER_ID_LEVEL_YSIZE:
11301       lev_fieldx = level.fieldx;
11302       lev_fieldy = level.fieldy;
11303
11304       /* check if resizing of level results in change of border border */
11305       SetBorderElement();
11306
11307       break;
11308
11309     default:
11310       break;
11311   }
11312
11313   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
11314        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
11315       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
11316        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
11317     CopyElementPropertiesToGame(properties_element);
11318
11319   /* do not mark level as modified for certain non-level-changing gadgets */
11320   if (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
11321       counter_id <= ED_COUNTER_ID_EDITOR_LAST)
11322     return;
11323
11324   level.changed = TRUE;
11325 }
11326
11327 static void HandleTextInputGadgets(struct GadgetInfo *gi)
11328 {
11329   int type_id = gi->custom_type_id;
11330
11331   strcpy(textinput_info[type_id].value, gi->textinput.value);
11332
11333   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
11334   {
11335     CopyElementPropertiesToGame(properties_element);
11336
11337     ModifyEditorElementList();  /* update changed button info text */
11338   }
11339
11340   level.changed = TRUE;
11341 }
11342
11343 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
11344 {
11345   int type_id = gi->custom_type_id;
11346
11347   strncpy(textarea_info[type_id].value, gi->textarea.value,
11348           MAX_ENVELOPE_TEXT_LEN);
11349   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
11350
11351   level.changed = TRUE;
11352 }
11353
11354 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
11355 {
11356   int type_id = gi->custom_type_id;
11357   int value_old = *selectbox_info[type_id].value;
11358   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
11359
11360   *selectbox_info[type_id].value = value_new;
11361
11362   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
11363   {
11364     element_info[properties_element].current_change_page = gi->selectbox.index;
11365
11366     DrawPropertiesWindow();
11367   }
11368   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
11369             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
11370            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
11371             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
11372            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
11373   {
11374     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
11375     {
11376       /* when changing action type, also check action mode and action arg */
11377       if (value_old != value_new)
11378         setSelectboxSpecialActionVariablesIfNeeded();
11379
11380       DrawPropertiesChange();
11381     }
11382
11383     CopyElementPropertiesToGame(properties_element);
11384
11385     level.changed = TRUE;
11386   }
11387 }
11388
11389 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
11390 {
11391   int type_id = gi->custom_type_id;
11392   int i;
11393
11394   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
11395       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
11396   {
11397     edit_mode_levelinfo = gi->custom_type_id;
11398
11399     DrawLevelInfoWindow();
11400   }
11401   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
11402            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
11403   {
11404     edit_mode_properties = gi->custom_type_id;
11405
11406     DrawPropertiesWindow();
11407   }
11408   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
11409   {
11410     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
11411
11412     /* backup original "level.field" (needed to track playfield changes) */
11413     CopyPlayfield(level.field, FieldBackup);
11414
11415     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
11416     CopyPlayfield(Feld, level.field);
11417
11418     if (new_template ||
11419         Request("Save this template and kill the old?", REQ_ASK))
11420       SaveLevelTemplate();
11421
11422     if (new_template)
11423       Request("Template saved!", REQ_CONFIRM);
11424
11425     /* restore original "level.field" (needed to track playfield changes) */
11426     CopyPlayfield(FieldBackup, level.field);
11427   }
11428   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
11429            custom_element.num_change_pages < MAX_CHANGE_PAGES)
11430   {
11431     struct ElementInfo *ei = &element_info[properties_element];
11432
11433     /* when modifying custom element, ask for copying level template */
11434     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
11435       return;
11436
11437     setElementChangePages(ei, ei->num_change_pages + 1);
11438
11439     /* set new change page to be new current change page */
11440     ei->current_change_page = ei->num_change_pages - 1;
11441     ei->change = &ei->change_page[ei->current_change_page];
11442
11443     setElementChangeInfoToDefaults(ei->change);
11444
11445     DrawPropertiesWindow();
11446
11447     level.changed = TRUE;
11448   }
11449   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
11450            custom_element.num_change_pages > MIN_CHANGE_PAGES)
11451   {
11452     struct ElementInfo *ei = &element_info[properties_element];
11453
11454     /* when modifying custom element, ask for copying level template */
11455     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
11456       return;
11457
11458     /* copy all change pages after change page to be deleted */
11459     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
11460       ei->change_page[i] = ei->change_page[i + 1];
11461
11462     setElementChangePages(ei, ei->num_change_pages - 1);
11463
11464     DrawPropertiesWindow();
11465
11466     level.changed = TRUE;
11467   }
11468 }
11469
11470 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
11471 {
11472   int type_id = gi->custom_type_id;
11473
11474   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
11475       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
11476   {
11477     struct ElementInfo *ei = &element_info[properties_element];
11478     int step = BUTTON_STEPSIZE(gi->event.button);
11479
11480     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
11481     ei->current_change_page += step;
11482
11483     if (ei->current_change_page < 0)
11484       ei->current_change_page = 0;
11485     else if (ei->current_change_page >= ei->num_change_pages)
11486       ei->current_change_page = ei->num_change_pages - 1;
11487
11488     DrawPropertiesWindow();
11489   }
11490   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
11491            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11492   {
11493     struct ElementInfo *ei = &element_info[properties_element];
11494     int current_change_page = ei->current_change_page;
11495
11496     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
11497     {
11498       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
11499         ei->change_page[current_change_page];
11500     }
11501     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11502     {
11503       /* when modifying custom element, ask for copying level template */
11504       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
11505         return;
11506
11507       ei->change_page[current_change_page] =
11508         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
11509
11510       level.changed = TRUE;
11511     }
11512
11513     DrawPropertiesWindow();
11514   }
11515 }
11516
11517 static void HandleRadiobuttons(struct GadgetInfo *gi)
11518 {
11519   int type_id = gi->custom_type_id;
11520
11521   *radiobutton_info[type_id].value =
11522     radiobutton_info[type_id].checked_value;
11523
11524   /* do not mark level as modified for certain non-level-changing gadgets */
11525   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
11526       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
11527     return;
11528
11529   level.changed = TRUE;
11530 }
11531
11532 static void HandleCheckbuttons(struct GadgetInfo *gi)
11533 {
11534   int type_id = gi->custom_type_id;
11535
11536   *checkbutton_info[type_id].value ^= TRUE;
11537
11538   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11539       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11540       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11541       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11542          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11543         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11544          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11545        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11546   {
11547     CopyElementPropertiesToGame(properties_element);
11548   }
11549
11550   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11551   {
11552     UpdateCustomElementGraphicGadgets();
11553   }
11554   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11555   {
11556     boolean template_related_changes_found = FALSE;
11557     int i;
11558
11559     /* check if any custom or group elements have been changed */
11560     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
11561       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
11562           element_info[i].modified_settings)
11563         template_related_changes_found = TRUE;
11564
11565     if (level.use_custom_template &&
11566         !fileExists(getGlobalLevelTemplateFilename()))
11567     {
11568       Request("No level template found!", REQ_CONFIRM);
11569
11570       level.use_custom_template = FALSE;
11571
11572       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11573
11574       return;
11575     }
11576
11577     if (level.use_custom_template &&
11578         template_related_changes_found &&
11579         !Request("Discard changes and use level template?", REQ_ASK))
11580     {
11581       level.use_custom_template = FALSE;
11582
11583       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11584
11585       return;
11586     }
11587
11588     if (!level.use_custom_template &&
11589         Request("Copy settings from level template?", REQ_ASK))
11590     {
11591       return;
11592     }
11593
11594     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11595
11596     DrawEditModeWindow();
11597   }
11598
11599   /* do not mark level as modified for certain non-level-changing gadgets */
11600   if ((type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
11601        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST) ||
11602       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
11603     return;
11604
11605   level.changed = TRUE;
11606 }
11607
11608 static void HandleControlButtons(struct GadgetInfo *gi)
11609 {
11610   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11611   static int last_edit_mode = ED_MODE_DRAWING;
11612   static int last_custom_copy_mode = -1;
11613   static int last_button = 0;
11614   int id = gi->custom_id;
11615   int button = gi->event.button;
11616   int step = BUTTON_STEPSIZE(button);
11617   int new_element = BUTTON_ELEMENT(button);
11618   int last_properties_element = properties_element;
11619   int x, y;
11620
11621   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11622     DrawLevelText(0, 0, 0, TEXT_END);
11623
11624   if (id < ED_NUM_CTRL1_BUTTONS &&
11625       id != GADGET_ID_SINGLE_ITEMS &&
11626       id != GADGET_ID_PICK_ELEMENT &&
11627       edit_mode != ED_MODE_DRAWING &&
11628       drawing_function != GADGET_ID_PICK_ELEMENT &&
11629       !(GetKeyModState() & KMOD_Control))
11630     ChangeEditModeWindow(ED_MODE_DRAWING);
11631
11632   /* element copy mode active, but no element button pressed => deactivate */
11633   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11634     last_custom_copy_mode = -1;
11635
11636   /* when showing palette on element buttons, change element of button used */
11637   if (editor.palette.show_on_element_buttons &&
11638       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
11639   {
11640     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
11641
11642     id = GADGET_ID_PALETTE;
11643   }
11644
11645   switch (id)
11646   {
11647     case GADGET_ID_SCROLL_LEFT:
11648       if (level_xpos >= 0)
11649       {
11650         if (lev_fieldx < ed_fieldx - 2)
11651           break;
11652
11653         level_xpos -= step;
11654         if (level_xpos < -1)
11655           level_xpos = -1;
11656         if (button == 1)
11657           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11658         else
11659           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11660
11661         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11662                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11663       }
11664       break;
11665
11666     case GADGET_ID_SCROLL_RIGHT:
11667       if (level_xpos <= lev_fieldx - ed_fieldx)
11668       {
11669         if (lev_fieldx < ed_fieldx - 2)
11670           break;
11671
11672         level_xpos += step;
11673         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11674           level_xpos = lev_fieldx - ed_fieldx + 1;
11675         if (button == 1)
11676           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11677         else
11678           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11679
11680         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11681                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11682       }
11683       break;
11684
11685     case GADGET_ID_SCROLL_UP:
11686       if (level_ypos >= 0)
11687       {
11688         if (lev_fieldy < ed_fieldy - 2)
11689           break;
11690
11691         level_ypos -= step;
11692         if (level_ypos < -1)
11693           level_ypos = -1;
11694         if (button == 1)
11695           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11696         else
11697           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11698
11699         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11700                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11701       }
11702       break;
11703
11704     case GADGET_ID_SCROLL_DOWN:
11705       if (level_ypos <= lev_fieldy - ed_fieldy)
11706       {
11707         if (lev_fieldy < ed_fieldy - 2)
11708           break;
11709
11710         level_ypos += step;
11711         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11712           level_ypos = lev_fieldy - ed_fieldy + 1;
11713         if (button == 1)
11714           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11715         else
11716           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11717
11718         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11719                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11720       }
11721       break;
11722
11723     case GADGET_ID_SCROLL_HORIZONTAL:
11724       level_xpos = gi->event.item_position - 1;
11725
11726       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11727       BackToFront();
11728
11729       break;
11730
11731     case GADGET_ID_SCROLL_VERTICAL:
11732       level_ypos = gi->event.item_position - 1;
11733
11734       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11735       BackToFront();
11736
11737       break;
11738
11739     case GADGET_ID_SCROLL_LIST_UP:
11740     case GADGET_ID_SCROLL_LIST_DOWN:
11741     case GADGET_ID_SCROLL_LIST_VERTICAL:
11742       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11743         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11744       else
11745       {
11746         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11747         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11748
11749         if (element_shift < 0)
11750           element_shift = 0;
11751         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11752           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11753
11754         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11755                      GDI_SCROLLBAR_ITEM_POSITION,
11756                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11757       }
11758
11759       ModifyEditorElementList();
11760
11761       break;
11762
11763     case GADGET_ID_PROPERTIES:
11764       // always switch off element properties when they are already displayed
11765       last_properties_element = new_element;
11766     case GADGET_ID_ELEMENT_LEFT:
11767     case GADGET_ID_ELEMENT_MIDDLE:
11768     case GADGET_ID_ELEMENT_RIGHT:
11769       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
11770                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
11771                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
11772                             new_element);
11773
11774       if (edit_mode != ED_MODE_PROPERTIES)
11775       {
11776         last_edit_mode = edit_mode;
11777
11778         ChangeEditModeWindow(ED_MODE_PROPERTIES);
11779
11780         last_level_drawing_function = drawing_function;
11781         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11782                       MB_LEFTBUTTON);
11783       }
11784       else if (properties_element != last_properties_element)
11785       {
11786         DrawEditModeWindow();
11787       }
11788       else
11789       {
11790         ChangeEditModeWindow(last_edit_mode);
11791
11792         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11793                       MB_LEFTBUTTON);
11794       }
11795       break;
11796
11797     case GADGET_ID_PALETTE:
11798       if (edit_mode != ED_MODE_PALETTE)
11799       {
11800         last_edit_mode = edit_mode;
11801
11802         ChangeEditModeWindow(ED_MODE_PALETTE);
11803       }
11804       else
11805       {
11806         ChangeEditModeWindow(last_edit_mode);
11807       }
11808       break;
11809
11810     case GADGET_ID_WRAP_LEFT:
11811       WrapLevel(-step, 0);
11812       break;
11813
11814     case GADGET_ID_WRAP_RIGHT:
11815       WrapLevel(step, 0);
11816       break;
11817
11818     case GADGET_ID_WRAP_UP:
11819       WrapLevel(0, -step);
11820       break;
11821
11822     case GADGET_ID_WRAP_DOWN:
11823       WrapLevel(0, step);
11824       break;
11825
11826     case GADGET_ID_SINGLE_ITEMS:
11827     case GADGET_ID_CONNECTED_ITEMS:
11828     case GADGET_ID_LINE:
11829     case GADGET_ID_ARC:
11830     case GADGET_ID_TEXT:
11831     case GADGET_ID_RECTANGLE:
11832     case GADGET_ID_FILLED_BOX:
11833     case GADGET_ID_FLOOD_FILL:
11834     case GADGET_ID_GRAB_BRUSH:
11835     case GADGET_ID_PICK_ELEMENT:
11836       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11837         last_drawing_function = drawing_function;
11838       drawing_function = id;
11839       draw_with_brush = FALSE;
11840       break;
11841
11842     case GADGET_ID_RANDOM_PLACEMENT:
11843       RandomPlacement(new_element);
11844       break;
11845
11846     case GADGET_ID_ZOOM:
11847       // zoom level editor tile size in or out (or reset to default size)
11848       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
11849                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
11850                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
11851
11852       // limit zoom level by upper and lower bound
11853       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
11854
11855       InitZoomLevelSettings();
11856
11857       if (edit_mode == ED_MODE_DRAWING)
11858         DrawDrawingWindow();
11859
11860       break;
11861
11862     case GADGET_ID_CUSTOM_COPY_FROM:
11863     case GADGET_ID_CUSTOM_COPY_TO:
11864     case GADGET_ID_CUSTOM_EXCHANGE:
11865       last_custom_copy_mode = id;
11866       last_drawing_function = drawing_function;
11867       break;
11868
11869     case GADGET_ID_CUSTOM_COPY:
11870       CopyCustomElement(properties_element, -1, id);
11871       break;
11872
11873     case GADGET_ID_CUSTOM_PASTE:
11874       CopyCustomElement(-1, properties_element, id);
11875       break;
11876
11877     case GADGET_ID_UNDO:
11878       if (button == 1 && undo_buffer_steps == 0)
11879       {
11880         Request("Undo buffer empty!", REQ_CONFIRM);
11881
11882         break;
11883       }
11884       else if (button == 2)
11885       {
11886         break;
11887       }
11888       else if (button == 3 && redo_buffer_steps == 0)
11889       {
11890         Request("Redo buffer empty!", REQ_CONFIRM);
11891
11892         break;
11893       }
11894
11895       if (edit_mode != ED_MODE_DRAWING)
11896         ChangeEditModeWindow(ED_MODE_DRAWING);
11897
11898       if (button == 1)
11899       {
11900         /* undo */
11901
11902         undo_buffer_position =
11903           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11904
11905         undo_buffer_steps--;
11906         redo_buffer_steps++;
11907       }
11908       else
11909       {
11910         /* redo */
11911
11912         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
11913
11914         undo_buffer_steps++;
11915         redo_buffer_steps--;
11916       }
11917
11918       for (x = 0; x < lev_fieldx; x++)
11919         for (y = 0; y < lev_fieldy; y++)
11920           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11921
11922       /* check if undo operation forces change of border style */
11923       CheckLevelBorderElement(FALSE);
11924
11925       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11926
11927       break;
11928
11929     case GADGET_ID_INFO:
11930       if (edit_mode != ED_MODE_INFO)
11931       {
11932         last_edit_mode = edit_mode;
11933
11934         ChangeEditModeWindow(ED_MODE_INFO);
11935       }
11936       else
11937       {
11938         ChangeEditModeWindow(last_edit_mode);
11939       }
11940       break;
11941
11942     case GADGET_ID_CLEAR:
11943       if (edit_mode != ED_MODE_DRAWING)
11944         ChangeEditModeWindow(ED_MODE_DRAWING);
11945
11946       for (x = 0; x < MAX_LEV_FIELDX; x++)
11947         for (y = 0; y < MAX_LEV_FIELDY; y++)
11948           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11949
11950       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11951
11952       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11953       break;
11954
11955     case GADGET_ID_SAVE:
11956     {
11957       /* saving read-only levels into personal level set modifies global vars
11958          "leveldir_current" and "level_nr"; restore them after saving level */
11959       LevelDirTree *leveldir_former = leveldir_current;
11960       int level_nr_former = level_nr;
11961       char *level_filename;
11962       boolean new_level;
11963
11964       if (leveldir_current->readonly &&
11965           !PrepareSavingIntoPersonalLevelSet())
11966         break;
11967
11968       level_filename = getDefaultLevelFilename(level_nr);
11969       new_level = !fileExists(level_filename);
11970
11971       if (new_level ||
11972           Request("Save this level and kill the old?", REQ_ASK))
11973       {
11974         if (leveldir_former->readonly)
11975           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11976
11977         CopyPlayfield(Feld, level.field);
11978         SaveLevel(level_nr);
11979
11980         level.changed = FALSE;
11981
11982         if (new_level)
11983         {
11984           char level_saved_msg[64];
11985
11986           if (leveldir_former->readonly)
11987             sprintf(level_saved_msg,
11988                     "Level saved as level %d into personal level set!",
11989                     level_nr);
11990           else
11991             strcpy(level_saved_msg, "Level saved!");
11992
11993           Request(level_saved_msg, REQ_CONFIRM);
11994         }
11995       }
11996
11997       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11998       leveldir_current = leveldir_former;
11999       level_nr = level_nr_former;
12000
12001       break;
12002     }
12003
12004     case GADGET_ID_TEST:
12005       if (LevelChanged())
12006         level.game_version = GAME_VERSION_ACTUAL;
12007
12008       CopyPlayfield(level.field, FieldBackup);
12009       CopyPlayfield(Feld, level.field);
12010
12011       CopyNativeLevel_RND_to_Native(&level);
12012
12013       UnmapLevelEditorGadgets();
12014       UndrawSpecialEditorDoor();
12015
12016       CloseDoor(DOOR_CLOSE_ALL);
12017
12018       /* needed before playing if editor playfield area has different size */
12019       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
12020
12021       // redraw_mask = REDRAW_ALL;
12022
12023       level_editor_test_game = TRUE;
12024
12025       StartGameActions(FALSE, setup.autorecord, level.random_seed);
12026
12027       break;
12028
12029     case GADGET_ID_EXIT:
12030       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
12031       break;
12032
12033     default:
12034       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
12035           id <= GADGET_ID_ELEMENTLIST_LAST)
12036       {
12037         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
12038         int new_element = editor_elements[element_position + element_shift];
12039
12040         if (IS_EDITOR_CASCADE(new_element))
12041         {
12042           int i;
12043
12044           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
12045           {
12046             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
12047             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
12048
12049             if (*cascade_element == new_element)
12050             {
12051               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
12052               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
12053
12054               /* update element selection list */
12055               ReinitializeElementList();
12056               ModifyEditorElementList();
12057
12058               /* update cascading gadget info text */
12059               PrintEditorGadgetInfoText(level_editor_gadget[id]);
12060
12061               /* save current editor cascading state */
12062               SaveSetup_EditorCascade();
12063
12064               break;
12065             }
12066           }
12067
12068           break;
12069         }
12070
12071         if (last_custom_copy_mode != -1)
12072         {
12073           if (CopyCustomElement(properties_element, new_element,
12074                                 last_custom_copy_mode))
12075           {
12076             ClickOnGadget(level_editor_gadget[last_drawing_function],
12077                           MB_LEFTBUTTON);
12078
12079             last_custom_copy_mode = -1;
12080           }
12081
12082           break;
12083         }
12084
12085         /* change element of button used to show palette */
12086         if (editor.palette.show_on_element_buttons)
12087           button = last_button;
12088
12089         PickDrawingElement(button, new_element);
12090
12091         if (!stick_element_properties_window &&
12092             drawing_function != GADGET_ID_PICK_ELEMENT &&
12093             !(GetKeyModState() & KMOD_Control))
12094         {
12095           properties_element = new_element;
12096           if (edit_mode == ED_MODE_PROPERTIES)
12097             DrawPropertiesWindow();
12098         }
12099
12100         if (drawing_function == GADGET_ID_PICK_ELEMENT)
12101           ClickOnGadget(level_editor_gadget[last_drawing_function],
12102                         MB_LEFTBUTTON);
12103
12104         if (!use_permanent_palette)
12105           ChangeEditModeWindow(last_edit_mode);
12106       }
12107 #ifdef DEBUG
12108       else if (gi->event.type == GD_EVENT_PRESSED)
12109         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
12110       else if (gi->event.type == GD_EVENT_RELEASED)
12111         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
12112       else if (gi->event.type == GD_EVENT_MOVING)
12113         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
12114       else
12115         printf("default: HandleControlButtons: ? (id == %d)\n", id);
12116 #endif
12117       break;
12118   }
12119 }
12120
12121 void HandleLevelEditorKeyInput(Key key)
12122 {
12123   char letter = getCharFromKey(key);
12124   int button = MB_LEFTBUTTON;
12125
12126   if (drawing_function == GADGET_ID_TEXT &&
12127       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
12128   {
12129     if (letter)
12130       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
12131     else if (key == KSYM_Delete || key == KSYM_BackSpace)
12132       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
12133     else if (key == KSYM_Return)
12134       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
12135     else if (key == KSYM_Escape)
12136       DrawLevelText(0, 0, 0, TEXT_END);
12137   }
12138   else if (button_status == MB_RELEASED)
12139   {
12140     int id = GADGET_ID_NONE;
12141     int new_element_shift = element_shift;
12142     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
12143     int i;
12144
12145     switch (key)
12146     {
12147       case KSYM_Left:
12148         id = GADGET_ID_SCROLL_LEFT;
12149         break;
12150       case KSYM_Right:
12151         id = GADGET_ID_SCROLL_RIGHT;
12152         break;
12153       case KSYM_Up:
12154         id = GADGET_ID_SCROLL_UP;
12155         break;
12156       case KSYM_Down:
12157         id = GADGET_ID_SCROLL_DOWN;
12158         break;
12159
12160       case KSYM_Page_Up:
12161       case KSYM_Page_Down:
12162         step *= (key == KSYM_Page_Up ? -1 : +1);
12163         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
12164
12165         if (element_shift < 0)
12166           element_shift = 0;
12167         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
12168           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
12169
12170         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
12171                      GDI_SCROLLBAR_ITEM_POSITION,
12172                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
12173
12174         ModifyEditorElementList();
12175
12176         break;
12177
12178       case KSYM_Home:
12179       case KSYM_End:
12180         element_shift = (key == KSYM_Home ? 0 :
12181                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
12182
12183         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
12184                      GDI_SCROLLBAR_ITEM_POSITION,
12185                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
12186
12187         ModifyEditorElementList();
12188
12189         break;
12190
12191       case KSYM_Insert:
12192       case KSYM_Delete:
12193
12194         /* this is needed to prevent interference with running "True X-Mouse" */
12195         if (GetKeyModStateFromEvents() & KMOD_Control)
12196           break;
12197
12198         /* check for last or next editor cascade block in element list */
12199         for (i = 0; i < num_editor_elements; i++)
12200         {
12201           if ((key == KSYM_Insert && i == element_shift) ||
12202               (key == KSYM_Delete && new_element_shift > element_shift))
12203             break;
12204
12205           /* jump to next cascade block (or to start of element list) */
12206           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
12207             new_element_shift = i;
12208         }
12209
12210         if (i < num_editor_elements)
12211           element_shift = new_element_shift;
12212
12213         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
12214           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
12215
12216         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
12217                      GDI_SCROLLBAR_ITEM_POSITION,
12218                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
12219
12220         ModifyEditorElementList();
12221
12222         break;
12223
12224       case KSYM_Escape:
12225         if (edit_mode == ED_MODE_DRAWING)
12226         {
12227           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
12228         }
12229         else if (edit_mode == ED_MODE_INFO)
12230         {
12231           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
12232         }
12233         else if (edit_mode == ED_MODE_PROPERTIES)
12234         {
12235           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
12236         }
12237         else if (edit_mode == ED_MODE_PALETTE)
12238         {
12239           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
12240         }
12241         else            /* should never happen */
12242         {
12243           ChangeEditModeWindow(ED_MODE_DRAWING);
12244         }
12245
12246         break;
12247
12248       default:
12249         break;
12250     }
12251
12252     if (id != GADGET_ID_NONE)
12253       ClickOnGadget(level_editor_gadget[id], button);
12254     else if (letter == '1' || letter == '?')
12255       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
12256     else if (letter == '2')
12257       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
12258     else if (letter == '3')
12259       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
12260     else if (letter == '.')
12261       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
12262     else if (letter == 'U')
12263       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
12264     else if (letter == '-' || key == KSYM_KP_Subtract)
12265       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
12266     else if (letter == '0' || key == KSYM_KP_0)
12267       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
12268     else if (letter == '+' || key == KSYM_KP_Add ||
12269              letter == '=')     // ("Shift-=" is "+" on US keyboards)
12270       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
12271     else if (key == KSYM_Return ||
12272              key == KSYM_space ||
12273              key == setup.shortcut.toggle_pause)
12274       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
12275     else
12276       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
12277         if (letter && letter == controlbutton_info[i].shortcut)
12278           if (!anyTextGadgetActive())
12279             ClickOnGadget(level_editor_gadget[i], button);
12280   }
12281 }
12282
12283 void HandleLevelEditorIdle()
12284 {
12285   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12286   int x = editor.settings.element_graphic.x + element_border;
12287   int y = editor.settings.element_graphic.y + element_border;
12288   static unsigned int action_delay = 0;
12289   unsigned int action_delay_value = GameFrameDelay;
12290   int i;
12291
12292   if (edit_mode != ED_MODE_PROPERTIES)
12293     return;
12294
12295   if (!DelayReached(&action_delay, action_delay_value))
12296     return;
12297
12298   for (i = 0; i < ED_NUM_SELECTBOX; i++)
12299   {
12300     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
12301
12302     if (gi->mapped && gi->active && gi->selectbox.open)
12303       return;
12304   }
12305
12306   DrawEditorElementAnimation(SX + x, SY + y);
12307
12308   redraw_mask |= REDRAW_FIELD;
12309
12310   FrameCounter++;       /* increase animation frame counter */
12311 }
12312
12313 void ClearEditorGadgetInfoText()
12314 {
12315   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
12316 }
12317
12318 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
12319 {
12320   char infotext[MAX_OUTPUT_LINESIZE + 1];
12321   char shortcut[MAX_OUTPUT_LINESIZE + 1];
12322   int max_infotext_len = getMaxInfoTextLength();
12323
12324   if (gi == NULL || strlen(gi->info_text) == 0)
12325     return;
12326
12327   strncpy(infotext, gi->info_text, max_infotext_len);
12328   infotext[max_infotext_len] = '\0';
12329
12330   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
12331   {
12332     int key = controlbutton_info[gi->custom_id].shortcut;
12333
12334     if (key)
12335     {
12336       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
12337         sprintf(shortcut, " ('.' or '%c')", key);
12338       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
12339         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
12340       else if (gi->custom_id == GADGET_ID_TEST)
12341         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
12342       else if (gi->custom_id == GADGET_ID_UNDO)
12343         sprintf(shortcut, " ('%c/Shift-U')", key);
12344       else if (gi->custom_id == GADGET_ID_ZOOM)
12345         sprintf(shortcut, " ('%c', '0', '+')", key);
12346       else
12347         sprintf(shortcut, " ('%s%c')",
12348                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
12349
12350       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
12351         strcat(infotext, shortcut);
12352     }
12353   }
12354
12355   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
12356 }
12357
12358 void HandleEditorGadgetInfoText(void *ptr)
12359 {
12360   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
12361
12362   if (game_status != GAME_MODE_EDITOR)
12363     return;
12364
12365   ClearEditorGadgetInfoText();
12366
12367   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
12368     return;
12369
12370   /* misuse this function to delete brush cursor, if needed */
12371   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
12372     DeleteBrushFromCursor();
12373
12374   PrintEditorGadgetInfoText(gi);
12375 }
12376
12377 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
12378 {
12379   static int start_lx, start_ly;
12380   int id = gi->custom_id;
12381   int type_id = gi->custom_type_id;
12382   int sx = gi->event.x;
12383   int sy = gi->event.y;
12384   int lx = sx + level_xpos;
12385   int ly = sy + level_ypos;
12386   int min_sx = 0, min_sy = 0;
12387   int max_sx = gi->drawing.area_xsize - 1;
12388   int max_sy = gi->drawing.area_ysize - 1;
12389   int actual_drawing_function = drawing_function;
12390   int max_infotext_len = getMaxInfoTextLength();
12391   char infotext[MAX_OUTPUT_LINESIZE + 1];
12392   char *text;
12393
12394   infotext[0] = '\0';           /* start with empty info text */
12395
12396   /* pressed Control key: simulate picking element */
12397   if (GetKeyModState() & KMOD_Control)
12398     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12399
12400   ClearEditorGadgetInfoText();
12401
12402   if (gi->event.type == GD_EVENT_INFO_LEAVING)
12403     return;
12404
12405   /* make sure to stay inside drawing area boundaries */
12406   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12407   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12408
12409   if (id == GADGET_ID_DRAWING_LEVEL)
12410   {
12411     if (button_status)
12412     {
12413       int min_lx = 0, min_ly = 0;
12414       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12415
12416       /* get positions inside level field */
12417       lx = sx + level_xpos;
12418       ly = sy + level_ypos;
12419
12420       /* make sure to stay inside level field boundaries */
12421       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12422       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12423
12424       /* correct drawing area positions accordingly */
12425       sx = lx - level_xpos;
12426       sy = ly - level_ypos;
12427     }
12428
12429     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
12430     {
12431       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
12432       {
12433         if (gi->event.type == GD_EVENT_PRESSED)
12434         {
12435           start_lx = lx;
12436           start_ly = ly;
12437         }
12438
12439         switch (actual_drawing_function)
12440         {
12441           case GADGET_ID_SINGLE_ITEMS:
12442             text = "Drawing single items";
12443             break;
12444           case GADGET_ID_CONNECTED_ITEMS:
12445             text = "Drawing connected items";
12446             break;
12447           case GADGET_ID_LINE:
12448             text = "Drawing line";
12449             break;
12450           case GADGET_ID_ARC:
12451             text = "Drawing arc";
12452             break;
12453           case GADGET_ID_TEXT:
12454             text = "Setting text cursor";
12455             break;
12456           case GADGET_ID_RECTANGLE:
12457             text = "Drawing rectangle";
12458             break;
12459           case GADGET_ID_FILLED_BOX:
12460             text = "Drawing filled box";
12461             break;
12462           case GADGET_ID_FLOOD_FILL:
12463             text = "Flood fill";
12464             break;
12465           case GADGET_ID_GRAB_BRUSH:
12466             text = "Grabbing brush";
12467             break;
12468           case GADGET_ID_PICK_ELEMENT:
12469             text = "Picking element";
12470             break;
12471
12472           default:
12473             text = "Drawing position";
12474             break;
12475         }
12476
12477         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12478           sprintf(infotext, "%s: %d, %d", text, lx, ly);
12479         else
12480           sprintf(infotext, "%s: %d, %d", text,
12481                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
12482       }
12483       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12484         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
12485       else
12486         sprintf(infotext, "Level position: %d, %d", lx, ly);
12487     }
12488
12489     /* misuse this function to draw brush cursor, if needed */
12490     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
12491     {
12492       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12493         CopyBrushToCursor(sx, sy);
12494       else
12495         DeleteBrushFromCursor();
12496     }
12497   }
12498   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12499   {
12500     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12501     int element = drawingarea_info[type_id].value[pos];
12502
12503     strncpy(infotext, getElementInfoText(element), max_infotext_len);
12504   }
12505   else
12506   {
12507     if (id == GADGET_ID_CUSTOM_CONTENT)
12508       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
12509     else if (id == GADGET_ID_GROUP_CONTENT)
12510       sprintf(infotext, "group element position: %d", sx + 1);
12511     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
12512              id <= GADGET_ID_YAMYAM_CONTENT_7)
12513       sprintf(infotext, "content area %d position: %d, %d",
12514               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
12515     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
12516              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
12517       sprintf(infotext, "content area %d position: %d, %d",
12518               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
12519     else if (id == GADGET_ID_ANDROID_CONTENT)
12520       sprintf(infotext, "android element position: %d", sx + 1);
12521     else if (drawingarea_info[type_id].infotext != NULL)
12522       strcpy(infotext, drawingarea_info[type_id].infotext);
12523   }
12524
12525   infotext[max_infotext_len] = '\0';
12526
12527   if (strlen(infotext) > 0)
12528     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
12529 }
12530
12531 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
12532                             boolean quick_quit)
12533 {
12534   if (!ask_if_level_has_changed ||
12535       !LevelChanged() ||
12536       Request("Level has changed! Exit without saving?",
12537               REQ_ASK | REQ_STAY_OPEN))
12538   {
12539     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
12540     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
12541
12542     /* draw normal door */
12543     UndrawSpecialEditorDoor();
12544
12545     // close editor doors if viewport definition is the same as in main menu
12546     if (vp_door_1->x      == DX     &&
12547         vp_door_1->y      == DY     &&
12548         vp_door_1->width  == DXSIZE &&
12549         vp_door_1->height == DYSIZE &&
12550         vp_door_2->x      == VX     &&
12551         vp_door_2->y      == VY     &&
12552         vp_door_2->width  == VXSIZE &&
12553         vp_door_2->height == VYSIZE)
12554       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
12555     else
12556       SetDoorState(DOOR_CLOSE_2);
12557
12558     BackToFront();
12559
12560     if (quick_quit)
12561       FadeSkipNextFadeIn();
12562
12563     SetGameStatus(GAME_MODE_MAIN);
12564
12565     DrawMainMenu();
12566   }
12567   else
12568   {
12569     if (!global.use_envelope_request)
12570     {
12571       CloseDoor(DOOR_CLOSE_1);
12572       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
12573     }
12574   }
12575 }