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