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 static boolean AskToCopyAndModifyLevelTemplate();
3509
3510 static int num_editor_gadgets = 0;      /* dynamically determined */
3511
3512 static struct GadgetInfo **level_editor_gadget = NULL;
3513 static int *right_gadget_border = NULL;
3514
3515 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3516 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3517 static boolean draw_with_brush = FALSE;
3518 static int properties_element = 0;
3519
3520 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3521 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3522 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3523 static int undo_buffer_position = 0;
3524 static int undo_buffer_steps = 0;
3525 static int redo_buffer_steps = 0;
3526
3527 static int edit_mode;
3528 static int edit_mode_levelinfo;
3529 static int edit_mode_properties;
3530
3531 static int element_shift = 0;
3532
3533 static int editor_el_players[] =
3534 {
3535   EL_PLAYER_1,
3536   EL_PLAYER_2,
3537   EL_PLAYER_3,
3538   EL_PLAYER_4
3539 };
3540 static int *editor_el_players_ptr = editor_el_players;
3541 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3542
3543 static int editor_hl_boulderdash[] =
3544 {
3545   EL_INTERNAL_CASCADE_BD_ACTIVE,
3546   EL_CHAR('B'),
3547   EL_CHAR('D'),
3548   EL_EMPTY,
3549 };
3550
3551 static int editor_el_boulderdash[] =
3552 {
3553   EL_EMPTY,
3554   EL_SAND,
3555   EL_BD_ROCK,
3556   EL_BD_DIAMOND,
3557
3558   EL_STEELWALL,
3559   EL_BD_WALL,
3560   EL_BD_EXPANDABLE_WALL,
3561   EL_BD_MAGIC_WALL,
3562
3563   EL_BD_AMOEBA,
3564   EL_BD_BUTTERFLY_UP,
3565   EL_BD_FIREFLY_UP,
3566   EL_EXIT_CLOSED,
3567
3568   EL_BD_BUTTERFLY_LEFT,
3569   EL_BD_FIREFLY_LEFT,
3570   EL_BD_BUTTERFLY_RIGHT,
3571   EL_BD_FIREFLY_RIGHT,
3572
3573   EL_EMPTY,
3574   EL_BD_BUTTERFLY_DOWN,
3575   EL_BD_FIREFLY_DOWN,
3576   EL_EXIT_OPEN,
3577 };
3578 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3579 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3580 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3581 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3582
3583 static int editor_hl_emerald_mine[] =
3584 {
3585   EL_INTERNAL_CASCADE_EM_ACTIVE,
3586   EL_CHAR('E'),
3587   EL_CHAR('M'),
3588   EL_EMPTY,
3589 };
3590
3591 static int editor_el_emerald_mine[] =
3592 {
3593   EL_SAND,
3594   EL_ROCK,
3595   EL_QUICKSAND_EMPTY,
3596   EL_QUICKSAND_FULL,
3597
3598   EL_STEELWALL,
3599   EL_WALL,
3600   EL_WALL_SLIPPERY,
3601   EL_MAGIC_WALL,
3602
3603   EL_EMERALD,
3604   EL_DIAMOND,
3605   EL_NUT,
3606   EL_BOMB,
3607
3608   EL_WALL_EMERALD,
3609   EL_WALL_DIAMOND,
3610   EL_DYNAMITE,
3611   EL_DYNAMITE_ACTIVE,
3612
3613   EL_YAMYAM,
3614   EL_BUG_UP,
3615   EL_SPACESHIP_UP,
3616   EL_ROBOT,
3617
3618   EL_BUG_LEFT,
3619   EL_SPACESHIP_LEFT,
3620   EL_BUG_RIGHT,
3621   EL_SPACESHIP_RIGHT,
3622
3623   EL_ROBOT_WHEEL,
3624   EL_BUG_DOWN,
3625   EL_SPACESHIP_DOWN,
3626   EL_INVISIBLE_WALL,
3627
3628   EL_ACID_POOL_TOPLEFT,
3629   EL_ACID,
3630   EL_ACID_POOL_TOPRIGHT,
3631   EL_AMOEBA_DROP,
3632
3633   EL_ACID_POOL_BOTTOMLEFT,
3634   EL_ACID_POOL_BOTTOM,
3635   EL_ACID_POOL_BOTTOMRIGHT,
3636   EL_AMOEBA_WET,
3637
3638   EL_EM_KEY_1,
3639   EL_EM_KEY_2,
3640   EL_EM_KEY_3,
3641   EL_EM_KEY_4,
3642
3643   EL_EM_GATE_1,
3644   EL_EM_GATE_2,
3645   EL_EM_GATE_3,
3646   EL_EM_GATE_4,
3647
3648   EL_EM_GATE_1_GRAY,
3649   EL_EM_GATE_2_GRAY,
3650   EL_EM_GATE_3_GRAY,
3651   EL_EM_GATE_4_GRAY,
3652
3653   EL_EM_EXIT_CLOSED,
3654   EL_EM_EXIT_OPEN,
3655   EL_EM_STEEL_EXIT_CLOSED,
3656   EL_EM_STEEL_EXIT_OPEN,
3657 };
3658 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3659 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3660 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3661 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3662
3663 static int editor_hl_emerald_mine_club[] =
3664 {
3665   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3666   EL_CHAR('E'),
3667   EL_CHAR('M'),
3668   EL_CHAR('C'),
3669 };
3670
3671 static int editor_el_emerald_mine_club[] =
3672 {
3673   EL_EMC_KEY_5,
3674   EL_EMC_KEY_6,
3675   EL_EMC_KEY_7,
3676   EL_EMC_KEY_8,
3677
3678   EL_EMC_GATE_5,
3679   EL_EMC_GATE_6,
3680   EL_EMC_GATE_7,
3681   EL_EMC_GATE_8,
3682
3683   EL_EMC_GATE_5_GRAY,
3684   EL_EMC_GATE_6_GRAY,
3685   EL_EMC_GATE_7_GRAY,
3686   EL_EMC_GATE_8_GRAY,
3687
3688   EL_EMC_STEELWALL_1,
3689   EL_EMC_STEELWALL_2,
3690   EL_EMC_STEELWALL_3,
3691   EL_EMC_STEELWALL_4,
3692
3693   EL_EMC_WALL_13,
3694   EL_EMC_WALL_14,
3695   EL_EMC_WALL_15,
3696   EL_EMC_WALL_16,
3697
3698   EL_EMC_WALL_SLIPPERY_1,
3699   EL_EMC_WALL_SLIPPERY_2,
3700   EL_EMC_WALL_SLIPPERY_3,
3701   EL_EMC_WALL_SLIPPERY_4,
3702
3703   EL_EMC_WALL_1,
3704   EL_EMC_WALL_2,
3705   EL_EMC_WALL_3,
3706   EL_EMC_WALL_4,
3707
3708   EL_EMC_WALL_5,
3709   EL_EMC_WALL_6,
3710   EL_EMC_WALL_7,
3711   EL_EMC_WALL_8,
3712
3713   EL_EMC_WALL_9,
3714   EL_EMC_WALL_10,
3715   EL_EMC_WALL_11,
3716   EL_EMC_WALL_12,
3717
3718   EL_EMC_GRASS,
3719   EL_EMC_FAKE_GRASS,
3720   EL_EMC_PLANT,
3721   EL_EMC_DRIPPER,
3722
3723   EL_EMC_MAGIC_BALL,
3724   EL_EMC_MAGIC_BALL_SWITCH,
3725   EL_SPRING,
3726   EL_EMC_SPRING_BUMPER,
3727
3728   EL_EMC_LENSES,
3729   EL_EMC_MAGNIFIER,
3730   EL_EM_DYNAMITE,
3731   EL_EM_DYNAMITE_ACTIVE,
3732
3733   EL_BALLOON,
3734   EL_YAMYAM_UP,
3735   EL_BALLOON_SWITCH_UP,
3736   EL_BALLOON_SWITCH_ANY,
3737
3738   EL_YAMYAM_LEFT,
3739   EL_BALLOON_SWITCH_LEFT,
3740   EL_YAMYAM_RIGHT,
3741   EL_BALLOON_SWITCH_RIGHT,
3742
3743   EL_EMC_ANDROID,
3744   EL_YAMYAM_DOWN,
3745   EL_BALLOON_SWITCH_DOWN,
3746   EL_BALLOON_SWITCH_NONE,
3747 };
3748 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3749 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3750 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3751 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3752
3753 static int editor_hl_rnd[] =
3754 {
3755   EL_INTERNAL_CASCADE_RND_ACTIVE,
3756   EL_CHAR('R'),
3757   EL_CHAR('N'),
3758   EL_CHAR('D'),
3759 };
3760
3761 static int editor_el_rnd[] =
3762 {
3763   EL_KEY_1,
3764   EL_KEY_2,
3765   EL_KEY_3,
3766   EL_KEY_4,
3767
3768   EL_GATE_1,
3769   EL_GATE_2,
3770   EL_GATE_3,
3771   EL_GATE_4,
3772
3773   EL_GATE_1_GRAY,
3774   EL_GATE_2_GRAY,
3775   EL_GATE_3_GRAY,
3776   EL_GATE_4_GRAY,
3777
3778   EL_ARROW_LEFT,
3779   EL_ARROW_RIGHT,
3780   EL_ARROW_UP,
3781   EL_ARROW_DOWN,
3782
3783   EL_AMOEBA_DEAD,
3784   EL_AMOEBA_DRY,
3785   EL_AMOEBA_FULL,
3786   EL_GAME_OF_LIFE,
3787
3788   EL_EMERALD_YELLOW,
3789   EL_EMERALD_RED,
3790   EL_EMERALD_PURPLE,
3791   EL_BIOMAZE,
3792
3793   EL_WALL_EMERALD_YELLOW,
3794   EL_WALL_EMERALD_RED,
3795   EL_WALL_EMERALD_PURPLE,
3796   EL_WALL_BD_DIAMOND,
3797
3798   EL_SPEED_PILL,
3799   EL_PACMAN_UP,
3800   EL_TIME_ORB_FULL,
3801   EL_TIME_ORB_EMPTY,
3802
3803   EL_PACMAN_LEFT,
3804   EL_DARK_YAMYAM,
3805   EL_PACMAN_RIGHT,
3806   EL_EMPTY,
3807
3808   EL_BLACK_ORB,
3809   EL_PACMAN_DOWN,
3810   EL_LAMP,
3811   EL_LAMP_ACTIVE,
3812
3813   EL_DYNABOMB_INCREASE_NUMBER,
3814   EL_DYNABOMB_INCREASE_SIZE,
3815   EL_DYNABOMB_INCREASE_POWER,
3816   EL_STONEBLOCK,
3817
3818   EL_MOLE,
3819   EL_PENGUIN,
3820   EL_PIG,
3821   EL_DRAGON,
3822
3823   EL_BUG,
3824   EL_MOLE_UP,
3825   EL_BD_BUTTERFLY,
3826   EL_BD_FIREFLY,
3827
3828   EL_MOLE_LEFT,
3829   EL_SATELLITE,
3830   EL_MOLE_RIGHT,
3831   EL_PACMAN,
3832
3833   EL_SPACESHIP,
3834   EL_MOLE_DOWN,
3835   EL_INVISIBLE_STEELWALL,
3836   EL_INVISIBLE_WALL,
3837
3838   EL_EXPANDABLE_WALL,
3839   EL_EXPANDABLE_WALL_HORIZONTAL,
3840   EL_EXPANDABLE_WALL_VERTICAL,
3841   EL_EXPANDABLE_WALL_ANY,
3842 };
3843 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3844 static int *editor_el_rnd_ptr = editor_el_rnd;
3845 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3846 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3847
3848 static int editor_hl_sokoban[] =
3849 {
3850   EL_INTERNAL_CASCADE_SB_ACTIVE,
3851   EL_CHAR('S'),
3852   EL_CHAR('B'),
3853   EL_EMPTY,
3854 };
3855
3856 static int editor_el_sokoban[] =
3857 {
3858   EL_SOKOBAN_OBJECT,
3859   EL_SOKOBAN_FIELD_EMPTY,
3860   EL_SOKOBAN_FIELD_FULL,
3861   EL_SOKOBAN_FIELD_PLAYER,
3862 };
3863 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3864 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3865 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3866 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3867
3868 static int editor_hl_supaplex[] =
3869 {
3870   EL_INTERNAL_CASCADE_SP_ACTIVE,
3871   EL_CHAR('S'),
3872   EL_CHAR('P'),
3873   EL_EMPTY,
3874 };
3875
3876 static int editor_el_supaplex[] =
3877 {
3878   EL_SP_MURPHY,
3879   EL_EMPTY,
3880   EL_SP_BASE,
3881   EL_SP_BUGGY_BASE,
3882
3883   EL_SP_INFOTRON,
3884   EL_SP_ZONK,
3885   EL_SP_SNIKSNAK,
3886   EL_SP_ELECTRON,
3887
3888   EL_SP_DISK_RED,
3889   EL_SP_DISK_ORANGE,
3890   EL_SP_DISK_YELLOW,
3891   EL_SP_TERMINAL,
3892
3893   EL_SP_EXIT_CLOSED,
3894   EL_SP_PORT_HORIZONTAL,
3895   EL_SP_PORT_VERTICAL,
3896   EL_SP_PORT_ANY,
3897
3898   EL_SP_PORT_LEFT,
3899   EL_SP_PORT_RIGHT,
3900   EL_SP_PORT_UP,
3901   EL_SP_PORT_DOWN,
3902
3903   EL_SP_GRAVITY_PORT_LEFT,
3904   EL_SP_GRAVITY_PORT_RIGHT,
3905   EL_SP_GRAVITY_PORT_UP,
3906   EL_SP_GRAVITY_PORT_DOWN,
3907
3908   EL_SP_GRAVITY_ON_PORT_LEFT,
3909   EL_SP_GRAVITY_ON_PORT_RIGHT,
3910   EL_SP_GRAVITY_ON_PORT_UP,
3911   EL_SP_GRAVITY_ON_PORT_DOWN,
3912
3913   EL_SP_GRAVITY_OFF_PORT_LEFT,
3914   EL_SP_GRAVITY_OFF_PORT_RIGHT,
3915   EL_SP_GRAVITY_OFF_PORT_UP,
3916   EL_SP_GRAVITY_OFF_PORT_DOWN,
3917
3918   EL_SP_HARDWARE_GRAY,
3919   EL_SP_HARDWARE_GREEN,
3920   EL_SP_HARDWARE_BLUE,
3921   EL_SP_HARDWARE_RED,
3922
3923   EL_SP_HARDWARE_BASE_1,
3924   EL_SP_HARDWARE_BASE_2,
3925   EL_SP_HARDWARE_BASE_3,
3926   EL_SP_HARDWARE_BASE_4,
3927
3928   EL_SP_HARDWARE_BASE_5,
3929   EL_SP_HARDWARE_BASE_6,
3930   EL_SP_HARDWARE_YELLOW,
3931   EL_SP_CHIP_TOP,
3932
3933   EL_SP_CHIP_SINGLE,
3934   EL_SP_CHIP_LEFT,
3935   EL_SP_CHIP_RIGHT,
3936   EL_SP_CHIP_BOTTOM,
3937 };
3938 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3939 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3940 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3941 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3942
3943 static int editor_hl_diamond_caves[] =
3944 {
3945   EL_INTERNAL_CASCADE_DC_ACTIVE,
3946   EL_CHAR('D'),
3947   EL_CHAR('C'),
3948   EL_CHAR('2'),
3949 };
3950
3951 static int editor_el_diamond_caves[] =
3952 {
3953   EL_PEARL,
3954   EL_CRYSTAL,
3955   EL_WALL_PEARL,
3956   EL_WALL_CRYSTAL,
3957
3958   EL_CONVEYOR_BELT_1_LEFT,
3959   EL_CONVEYOR_BELT_1_MIDDLE,
3960   EL_CONVEYOR_BELT_1_RIGHT,
3961   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3962
3963   EL_CONVEYOR_BELT_2_LEFT,
3964   EL_CONVEYOR_BELT_2_MIDDLE,
3965   EL_CONVEYOR_BELT_2_RIGHT,
3966   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3967
3968   EL_CONVEYOR_BELT_3_LEFT,
3969   EL_CONVEYOR_BELT_3_MIDDLE,
3970   EL_CONVEYOR_BELT_3_RIGHT,
3971   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3972
3973   EL_CONVEYOR_BELT_4_LEFT,
3974   EL_CONVEYOR_BELT_4_MIDDLE,
3975   EL_CONVEYOR_BELT_4_RIGHT,
3976   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3977
3978   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3979   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3980   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3981   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3982
3983   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3984   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3985   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3986   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3987
3988   EL_TIMEGATE_CLOSED,
3989   EL_TIMEGATE_OPEN,
3990   EL_TIMEGATE_SWITCH,
3991   EL_DC_TIMEGATE_SWITCH,
3992
3993   EL_SWITCHGATE_CLOSED,
3994   EL_SWITCHGATE_OPEN,
3995   EL_SWITCHGATE_SWITCH_UP,
3996   EL_SWITCHGATE_SWITCH_DOWN,
3997
3998   EL_LIGHT_SWITCH,
3999   EL_LIGHT_SWITCH_ACTIVE,
4000   EL_DC_SWITCHGATE_SWITCH_UP,
4001   EL_DC_SWITCHGATE_SWITCH_DOWN,
4002
4003   EL_STEEL_EXIT_CLOSED,
4004   EL_STEEL_EXIT_OPEN,
4005   EL_STEELWALL_SLIPPERY,
4006   EL_INVISIBLE_SAND,
4007
4008   EL_QUICKSAND_FAST_EMPTY,
4009   EL_QUICKSAND_FAST_FULL,
4010   EL_LANDMINE,
4011   EL_DC_LANDMINE,
4012
4013   EL_SHIELD_NORMAL,
4014   EL_SHIELD_DEADLY,
4015   EL_EXTRA_TIME,
4016   EL_DC_MAGIC_WALL,
4017
4018   EL_ENVELOPE_1,
4019   EL_ENVELOPE_2,
4020   EL_ENVELOPE_3,
4021   EL_ENVELOPE_4,
4022
4023   EL_SIGN_RADIOACTIVITY,
4024   EL_SIGN_WHEELCHAIR,
4025   EL_SIGN_PARKING,
4026   EL_SIGN_NO_ENTRY,
4027
4028   EL_SIGN_GIVE_WAY,
4029   EL_SIGN_ENTRY_FORBIDDEN,
4030   EL_SIGN_EMERGENCY_EXIT,
4031   EL_SIGN_YIN_YANG,
4032
4033 #if 0
4034   EL_SIGN_SPERMS,
4035   EL_SIGN_BULLET,
4036   EL_SIGN_HEART,
4037   EL_SIGN_CROSS,
4038
4039   EL_SIGN_FRANKIE,
4040   EL_EMPTY,
4041   EL_EMPTY,
4042   EL_EMPTY,
4043
4044   EL_SPERMS,
4045   EL_BULLET,
4046   EL_HEART,
4047   EL_CROSS,
4048
4049   EL_FRANKIE,
4050   EL_EMPTY,
4051   EL_EMPTY,
4052   EL_EMPTY,
4053 #endif
4054
4055   EL_DC_STEELWALL_2_SINGLE,
4056   EL_DC_STEELWALL_2_TOP,
4057   EL_SIGN_EXCLAMATION,
4058   EL_SIGN_STOP,
4059
4060   EL_DC_STEELWALL_2_LEFT,
4061   EL_DC_STEELWALL_2_MIDDLE,
4062   EL_DC_STEELWALL_2_HORIZONTAL,
4063   EL_DC_STEELWALL_2_RIGHT,
4064
4065   EL_DC_STEELWALL_1_TOPLEFT,
4066   EL_DC_STEELWALL_2_VERTICAL,
4067   EL_DC_STEELWALL_1_TOPRIGHT,
4068   EL_DC_GATE_WHITE,
4069
4070   EL_DC_STEELWALL_1_VERTICAL,
4071   EL_DC_STEELWALL_2_BOTTOM,
4072   EL_DC_KEY_WHITE,
4073   EL_DC_GATE_WHITE_GRAY,
4074
4075   EL_DC_STEELWALL_1_BOTTOMLEFT,
4076   EL_DC_STEELWALL_1_HORIZONTAL,
4077   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4078   EL_DC_GATE_FAKE_GRAY,
4079
4080   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4081   EL_DC_STEELWALL_1_BOTTOM,
4082   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4083   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4084
4085   EL_DC_STEELWALL_1_RIGHT,
4086   EL_EMPTY,
4087   EL_DC_STEELWALL_1_LEFT,
4088   EL_EXPANDABLE_STEELWALL_VERTICAL,
4089
4090   EL_DC_STEELWALL_1_TOPRIGHT_2,
4091   EL_DC_STEELWALL_1_TOP,
4092   EL_DC_STEELWALL_1_TOPLEFT_2,
4093   EL_EXPANDABLE_STEELWALL_ANY,
4094 };
4095 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4096 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4097 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4098 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4099
4100 static int editor_hl_dx_boulderdash[] =
4101 {
4102   EL_INTERNAL_CASCADE_DX_ACTIVE,
4103   EL_CHAR('D'),
4104   EL_CHAR('X'),
4105   EL_EMPTY,
4106 };
4107
4108 static int editor_el_dx_boulderdash[] =
4109 {
4110   EL_EMPTY,
4111   EL_TUBE_RIGHT_DOWN,
4112   EL_TUBE_HORIZONTAL_DOWN,
4113   EL_TUBE_LEFT_DOWN,
4114
4115   EL_TUBE_HORIZONTAL,
4116   EL_TUBE_VERTICAL_RIGHT,
4117   EL_TUBE_ANY,
4118   EL_TUBE_VERTICAL_LEFT,
4119
4120   EL_TUBE_VERTICAL,
4121   EL_TUBE_RIGHT_UP,
4122   EL_TUBE_HORIZONTAL_UP,
4123   EL_TUBE_LEFT_UP,
4124
4125   EL_TRAP,
4126   EL_DX_SUPABOMB,
4127   EL_EMPTY,
4128   EL_EMPTY
4129 };
4130 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4131 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4132 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4133 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4134
4135 static int editor_hl_chars[] =
4136 {
4137   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4138   EL_CHAR('T'),
4139   EL_CHAR('X'),
4140   EL_CHAR('T'),
4141 };
4142
4143 static int editor_el_chars[] =
4144 {
4145   EL_CHAR(' '),
4146   EL_CHAR('!'),
4147   EL_CHAR('"'),
4148   EL_CHAR('#'),
4149
4150   EL_CHAR('$'),
4151   EL_CHAR('%'),
4152   EL_CHAR('&'),
4153   EL_CHAR('\''),
4154
4155   EL_CHAR('('),
4156   EL_CHAR(')'),
4157   EL_CHAR('*'),
4158   EL_CHAR('+'),
4159
4160   EL_CHAR(','),
4161   EL_CHAR('-'),
4162   EL_CHAR('.'),
4163   EL_CHAR('/'),
4164
4165   EL_CHAR('0'),
4166   EL_CHAR('1'),
4167   EL_CHAR('2'),
4168   EL_CHAR('3'),
4169
4170   EL_CHAR('4'),
4171   EL_CHAR('5'),
4172   EL_CHAR('6'),
4173   EL_CHAR('7'),
4174
4175   EL_CHAR('8'),
4176   EL_CHAR('9'),
4177   EL_CHAR(':'),
4178   EL_CHAR(';'),
4179
4180   EL_CHAR('<'),
4181   EL_CHAR('='),
4182   EL_CHAR('>'),
4183   EL_CHAR('?'),
4184
4185   EL_CHAR('@'),
4186   EL_CHAR('A'),
4187   EL_CHAR('B'),
4188   EL_CHAR('C'),
4189
4190   EL_CHAR('D'),
4191   EL_CHAR('E'),
4192   EL_CHAR('F'),
4193   EL_CHAR('G'),
4194
4195   EL_CHAR('H'),
4196   EL_CHAR('I'),
4197   EL_CHAR('J'),
4198   EL_CHAR('K'),
4199
4200   EL_CHAR('L'),
4201   EL_CHAR('M'),
4202   EL_CHAR('N'),
4203   EL_CHAR('O'),
4204
4205   EL_CHAR('P'),
4206   EL_CHAR('Q'),
4207   EL_CHAR('R'),
4208   EL_CHAR('S'),
4209
4210   EL_CHAR('T'),
4211   EL_CHAR('U'),
4212   EL_CHAR('V'),
4213   EL_CHAR('W'),
4214
4215   EL_CHAR('X'),
4216   EL_CHAR('Y'),
4217   EL_CHAR('Z'),
4218   EL_CHAR('['),
4219
4220   EL_CHAR('\\'),
4221   EL_CHAR(']'),
4222   EL_CHAR('^'),
4223   EL_CHAR('_'),
4224
4225   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4226   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4227   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4228   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4229
4230   EL_CHAR(CHAR_BYTE_DEGREE),
4231   EL_CHAR(CHAR_BYTE_REGISTERED),
4232   EL_CHAR(FONT_ASCII_CURSOR),
4233   EL_CHAR(FONT_ASCII_BUTTON),
4234
4235   EL_CHAR(FONT_ASCII_UP),
4236   EL_CHAR(FONT_ASCII_DOWN),
4237   EL_CHAR(' '),
4238   EL_CHAR(' ')
4239 };
4240 static int *editor_hl_chars_ptr = editor_hl_chars;
4241 static int *editor_el_chars_ptr = editor_el_chars;
4242 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4243 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4244
4245 static int editor_hl_steel_chars[] =
4246 {
4247   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4248   EL_STEEL_CHAR('T'),
4249   EL_STEEL_CHAR('X'),
4250   EL_STEEL_CHAR('T'),
4251 };
4252
4253 static int editor_el_steel_chars[] =
4254 {
4255   EL_STEEL_CHAR(' '),
4256   EL_STEEL_CHAR('!'),
4257   EL_STEEL_CHAR('"'),
4258   EL_STEEL_CHAR('#'),
4259
4260   EL_STEEL_CHAR('$'),
4261   EL_STEEL_CHAR('%'),
4262   EL_STEEL_CHAR('&'),
4263   EL_STEEL_CHAR('\''),
4264
4265   EL_STEEL_CHAR('('),
4266   EL_STEEL_CHAR(')'),
4267   EL_STEEL_CHAR('*'),
4268   EL_STEEL_CHAR('+'),
4269
4270   EL_STEEL_CHAR(','),
4271   EL_STEEL_CHAR('-'),
4272   EL_STEEL_CHAR('.'),
4273   EL_STEEL_CHAR('/'),
4274
4275   EL_STEEL_CHAR('0'),
4276   EL_STEEL_CHAR('1'),
4277   EL_STEEL_CHAR('2'),
4278   EL_STEEL_CHAR('3'),
4279
4280   EL_STEEL_CHAR('4'),
4281   EL_STEEL_CHAR('5'),
4282   EL_STEEL_CHAR('6'),
4283   EL_STEEL_CHAR('7'),
4284
4285   EL_STEEL_CHAR('8'),
4286   EL_STEEL_CHAR('9'),
4287   EL_STEEL_CHAR(':'),
4288   EL_STEEL_CHAR(';'),
4289
4290   EL_STEEL_CHAR('<'),
4291   EL_STEEL_CHAR('='),
4292   EL_STEEL_CHAR('>'),
4293   EL_STEEL_CHAR('?'),
4294
4295   EL_STEEL_CHAR('@'),
4296   EL_STEEL_CHAR('A'),
4297   EL_STEEL_CHAR('B'),
4298   EL_STEEL_CHAR('C'),
4299
4300   EL_STEEL_CHAR('D'),
4301   EL_STEEL_CHAR('E'),
4302   EL_STEEL_CHAR('F'),
4303   EL_STEEL_CHAR('G'),
4304
4305   EL_STEEL_CHAR('H'),
4306   EL_STEEL_CHAR('I'),
4307   EL_STEEL_CHAR('J'),
4308   EL_STEEL_CHAR('K'),
4309
4310   EL_STEEL_CHAR('L'),
4311   EL_STEEL_CHAR('M'),
4312   EL_STEEL_CHAR('N'),
4313   EL_STEEL_CHAR('O'),
4314
4315   EL_STEEL_CHAR('P'),
4316   EL_STEEL_CHAR('Q'),
4317   EL_STEEL_CHAR('R'),
4318   EL_STEEL_CHAR('S'),
4319
4320   EL_STEEL_CHAR('T'),
4321   EL_STEEL_CHAR('U'),
4322   EL_STEEL_CHAR('V'),
4323   EL_STEEL_CHAR('W'),
4324
4325   EL_STEEL_CHAR('X'),
4326   EL_STEEL_CHAR('Y'),
4327   EL_STEEL_CHAR('Z'),
4328   EL_STEEL_CHAR('['),
4329
4330   EL_STEEL_CHAR('\\'),
4331   EL_STEEL_CHAR(']'),
4332   EL_STEEL_CHAR('^'),
4333   EL_STEEL_CHAR('_'),
4334
4335   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4336   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4337   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4338   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4339
4340   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4341   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4342   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4343   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4344
4345   EL_STEEL_CHAR(FONT_ASCII_UP),
4346   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4347   EL_STEEL_CHAR(' '),
4348   EL_STEEL_CHAR(' ')
4349 };
4350 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4351 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4352 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4353 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4354
4355 static int editor_hl_custom[] =
4356 {
4357   EL_INTERNAL_CASCADE_CE_ACTIVE,
4358   EL_CHAR('C'),
4359   EL_CHAR('E'),
4360   EL_EMPTY,
4361 };
4362
4363 static int editor_el_custom[] =
4364 {
4365   EL_CUSTOM_START + 0,
4366   EL_CUSTOM_START + 1,
4367   EL_CUSTOM_START + 2,
4368   EL_CUSTOM_START + 3,
4369
4370   EL_CUSTOM_START + 4,
4371   EL_CUSTOM_START + 5,
4372   EL_CUSTOM_START + 6,
4373   EL_CUSTOM_START + 7,
4374
4375   EL_CUSTOM_START + 8,
4376   EL_CUSTOM_START + 9,
4377   EL_CUSTOM_START + 10,
4378   EL_CUSTOM_START + 11,
4379
4380   EL_CUSTOM_START + 12,
4381   EL_CUSTOM_START + 13,
4382   EL_CUSTOM_START + 14,
4383   EL_CUSTOM_START + 15,
4384
4385   EL_CUSTOM_START + 16,
4386   EL_CUSTOM_START + 17,
4387   EL_CUSTOM_START + 18,
4388   EL_CUSTOM_START + 19,
4389
4390   EL_CUSTOM_START + 20,
4391   EL_CUSTOM_START + 21,
4392   EL_CUSTOM_START + 22,
4393   EL_CUSTOM_START + 23,
4394
4395   EL_CUSTOM_START + 24,
4396   EL_CUSTOM_START + 25,
4397   EL_CUSTOM_START + 26,
4398   EL_CUSTOM_START + 27,
4399
4400   EL_CUSTOM_START + 28,
4401   EL_CUSTOM_START + 29,
4402   EL_CUSTOM_START + 30,
4403   EL_CUSTOM_START + 31,
4404
4405   EL_CUSTOM_START + 32,
4406   EL_CUSTOM_START + 33,
4407   EL_CUSTOM_START + 34,
4408   EL_CUSTOM_START + 35,
4409
4410   EL_CUSTOM_START + 36,
4411   EL_CUSTOM_START + 37,
4412   EL_CUSTOM_START + 38,
4413   EL_CUSTOM_START + 39,
4414
4415   EL_CUSTOM_START + 40,
4416   EL_CUSTOM_START + 41,
4417   EL_CUSTOM_START + 42,
4418   EL_CUSTOM_START + 43,
4419
4420   EL_CUSTOM_START + 44,
4421   EL_CUSTOM_START + 45,
4422   EL_CUSTOM_START + 46,
4423   EL_CUSTOM_START + 47,
4424
4425   EL_CUSTOM_START + 48,
4426   EL_CUSTOM_START + 49,
4427   EL_CUSTOM_START + 50,
4428   EL_CUSTOM_START + 51,
4429
4430   EL_CUSTOM_START + 52,
4431   EL_CUSTOM_START + 53,
4432   EL_CUSTOM_START + 54,
4433   EL_CUSTOM_START + 55,
4434
4435   EL_CUSTOM_START + 56,
4436   EL_CUSTOM_START + 57,
4437   EL_CUSTOM_START + 58,
4438   EL_CUSTOM_START + 59,
4439
4440   EL_CUSTOM_START + 60,
4441   EL_CUSTOM_START + 61,
4442   EL_CUSTOM_START + 62,
4443   EL_CUSTOM_START + 63,
4444
4445   EL_CUSTOM_START + 64,
4446   EL_CUSTOM_START + 65,
4447   EL_CUSTOM_START + 66,
4448   EL_CUSTOM_START + 67,
4449
4450   EL_CUSTOM_START + 68,
4451   EL_CUSTOM_START + 69,
4452   EL_CUSTOM_START + 70,
4453   EL_CUSTOM_START + 71,
4454
4455   EL_CUSTOM_START + 72,
4456   EL_CUSTOM_START + 73,
4457   EL_CUSTOM_START + 74,
4458   EL_CUSTOM_START + 75,
4459
4460   EL_CUSTOM_START + 76,
4461   EL_CUSTOM_START + 77,
4462   EL_CUSTOM_START + 78,
4463   EL_CUSTOM_START + 79,
4464
4465   EL_CUSTOM_START + 80,
4466   EL_CUSTOM_START + 81,
4467   EL_CUSTOM_START + 82,
4468   EL_CUSTOM_START + 83,
4469
4470   EL_CUSTOM_START + 84,
4471   EL_CUSTOM_START + 85,
4472   EL_CUSTOM_START + 86,
4473   EL_CUSTOM_START + 87,
4474
4475   EL_CUSTOM_START + 88,
4476   EL_CUSTOM_START + 89,
4477   EL_CUSTOM_START + 90,
4478   EL_CUSTOM_START + 91,
4479
4480   EL_CUSTOM_START + 92,
4481   EL_CUSTOM_START + 93,
4482   EL_CUSTOM_START + 94,
4483   EL_CUSTOM_START + 95,
4484
4485   EL_CUSTOM_START + 96,
4486   EL_CUSTOM_START + 97,
4487   EL_CUSTOM_START + 98,
4488   EL_CUSTOM_START + 99,
4489
4490   EL_CUSTOM_START + 100,
4491   EL_CUSTOM_START + 101,
4492   EL_CUSTOM_START + 102,
4493   EL_CUSTOM_START + 103,
4494
4495   EL_CUSTOM_START + 104,
4496   EL_CUSTOM_START + 105,
4497   EL_CUSTOM_START + 106,
4498   EL_CUSTOM_START + 107,
4499
4500   EL_CUSTOM_START + 108,
4501   EL_CUSTOM_START + 109,
4502   EL_CUSTOM_START + 110,
4503   EL_CUSTOM_START + 111,
4504
4505   EL_CUSTOM_START + 112,
4506   EL_CUSTOM_START + 113,
4507   EL_CUSTOM_START + 114,
4508   EL_CUSTOM_START + 115,
4509
4510   EL_CUSTOM_START + 116,
4511   EL_CUSTOM_START + 117,
4512   EL_CUSTOM_START + 118,
4513   EL_CUSTOM_START + 119,
4514
4515   EL_CUSTOM_START + 120,
4516   EL_CUSTOM_START + 121,
4517   EL_CUSTOM_START + 122,
4518   EL_CUSTOM_START + 123,
4519
4520   EL_CUSTOM_START + 124,
4521   EL_CUSTOM_START + 125,
4522   EL_CUSTOM_START + 126,
4523   EL_CUSTOM_START + 127,
4524
4525   EL_CUSTOM_START + 128,
4526   EL_CUSTOM_START + 129,
4527   EL_CUSTOM_START + 130,
4528   EL_CUSTOM_START + 131,
4529
4530   EL_CUSTOM_START + 132,
4531   EL_CUSTOM_START + 133,
4532   EL_CUSTOM_START + 134,
4533   EL_CUSTOM_START + 135,
4534
4535   EL_CUSTOM_START + 136,
4536   EL_CUSTOM_START + 137,
4537   EL_CUSTOM_START + 138,
4538   EL_CUSTOM_START + 139,
4539
4540   EL_CUSTOM_START + 140,
4541   EL_CUSTOM_START + 141,
4542   EL_CUSTOM_START + 142,
4543   EL_CUSTOM_START + 143,
4544
4545   EL_CUSTOM_START + 144,
4546   EL_CUSTOM_START + 145,
4547   EL_CUSTOM_START + 146,
4548   EL_CUSTOM_START + 147,
4549
4550   EL_CUSTOM_START + 148,
4551   EL_CUSTOM_START + 149,
4552   EL_CUSTOM_START + 150,
4553   EL_CUSTOM_START + 151,
4554
4555   EL_CUSTOM_START + 152,
4556   EL_CUSTOM_START + 153,
4557   EL_CUSTOM_START + 154,
4558   EL_CUSTOM_START + 155,
4559
4560   EL_CUSTOM_START + 156,
4561   EL_CUSTOM_START + 157,
4562   EL_CUSTOM_START + 158,
4563   EL_CUSTOM_START + 159,
4564
4565   EL_CUSTOM_START + 160,
4566   EL_CUSTOM_START + 161,
4567   EL_CUSTOM_START + 162,
4568   EL_CUSTOM_START + 163,
4569
4570   EL_CUSTOM_START + 164,
4571   EL_CUSTOM_START + 165,
4572   EL_CUSTOM_START + 166,
4573   EL_CUSTOM_START + 167,
4574
4575   EL_CUSTOM_START + 168,
4576   EL_CUSTOM_START + 169,
4577   EL_CUSTOM_START + 170,
4578   EL_CUSTOM_START + 171,
4579
4580   EL_CUSTOM_START + 172,
4581   EL_CUSTOM_START + 173,
4582   EL_CUSTOM_START + 174,
4583   EL_CUSTOM_START + 175,
4584
4585   EL_CUSTOM_START + 176,
4586   EL_CUSTOM_START + 177,
4587   EL_CUSTOM_START + 178,
4588   EL_CUSTOM_START + 179,
4589
4590   EL_CUSTOM_START + 180,
4591   EL_CUSTOM_START + 181,
4592   EL_CUSTOM_START + 182,
4593   EL_CUSTOM_START + 183,
4594
4595   EL_CUSTOM_START + 184,
4596   EL_CUSTOM_START + 185,
4597   EL_CUSTOM_START + 186,
4598   EL_CUSTOM_START + 187,
4599
4600   EL_CUSTOM_START + 188,
4601   EL_CUSTOM_START + 189,
4602   EL_CUSTOM_START + 190,
4603   EL_CUSTOM_START + 191,
4604
4605   EL_CUSTOM_START + 192,
4606   EL_CUSTOM_START + 193,
4607   EL_CUSTOM_START + 194,
4608   EL_CUSTOM_START + 195,
4609
4610   EL_CUSTOM_START + 196,
4611   EL_CUSTOM_START + 197,
4612   EL_CUSTOM_START + 198,
4613   EL_CUSTOM_START + 199,
4614
4615   EL_CUSTOM_START + 200,
4616   EL_CUSTOM_START + 201,
4617   EL_CUSTOM_START + 202,
4618   EL_CUSTOM_START + 203,
4619
4620   EL_CUSTOM_START + 204,
4621   EL_CUSTOM_START + 205,
4622   EL_CUSTOM_START + 206,
4623   EL_CUSTOM_START + 207,
4624
4625   EL_CUSTOM_START + 208,
4626   EL_CUSTOM_START + 209,
4627   EL_CUSTOM_START + 210,
4628   EL_CUSTOM_START + 211,
4629
4630   EL_CUSTOM_START + 212,
4631   EL_CUSTOM_START + 213,
4632   EL_CUSTOM_START + 214,
4633   EL_CUSTOM_START + 215,
4634
4635   EL_CUSTOM_START + 216,
4636   EL_CUSTOM_START + 217,
4637   EL_CUSTOM_START + 218,
4638   EL_CUSTOM_START + 219,
4639
4640   EL_CUSTOM_START + 220,
4641   EL_CUSTOM_START + 221,
4642   EL_CUSTOM_START + 222,
4643   EL_CUSTOM_START + 223,
4644
4645   EL_CUSTOM_START + 224,
4646   EL_CUSTOM_START + 225,
4647   EL_CUSTOM_START + 226,
4648   EL_CUSTOM_START + 227,
4649
4650   EL_CUSTOM_START + 228,
4651   EL_CUSTOM_START + 229,
4652   EL_CUSTOM_START + 230,
4653   EL_CUSTOM_START + 231,
4654
4655   EL_CUSTOM_START + 232,
4656   EL_CUSTOM_START + 233,
4657   EL_CUSTOM_START + 234,
4658   EL_CUSTOM_START + 235,
4659
4660   EL_CUSTOM_START + 236,
4661   EL_CUSTOM_START + 237,
4662   EL_CUSTOM_START + 238,
4663   EL_CUSTOM_START + 239,
4664
4665   EL_CUSTOM_START + 240,
4666   EL_CUSTOM_START + 241,
4667   EL_CUSTOM_START + 242,
4668   EL_CUSTOM_START + 243,
4669
4670   EL_CUSTOM_START + 244,
4671   EL_CUSTOM_START + 245,
4672   EL_CUSTOM_START + 246,
4673   EL_CUSTOM_START + 247,
4674
4675   EL_CUSTOM_START + 248,
4676   EL_CUSTOM_START + 249,
4677   EL_CUSTOM_START + 250,
4678   EL_CUSTOM_START + 251,
4679
4680   EL_CUSTOM_START + 252,
4681   EL_CUSTOM_START + 253,
4682   EL_CUSTOM_START + 254,
4683   EL_CUSTOM_START + 255
4684 };
4685 static int *editor_hl_custom_ptr = editor_hl_custom;
4686 static int *editor_el_custom_ptr = editor_el_custom;
4687 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4688 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4689
4690 static int editor_hl_group[] =
4691 {
4692   EL_INTERNAL_CASCADE_GE_ACTIVE,
4693   EL_CHAR('G'),
4694   EL_CHAR('E'),
4695   EL_EMPTY,
4696 };
4697
4698 static int editor_el_group[] =
4699 {
4700   EL_GROUP_START + 0,
4701   EL_GROUP_START + 1,
4702   EL_GROUP_START + 2,
4703   EL_GROUP_START + 3,
4704
4705   EL_GROUP_START + 4,
4706   EL_GROUP_START + 5,
4707   EL_GROUP_START + 6,
4708   EL_GROUP_START + 7,
4709
4710   EL_GROUP_START + 8,
4711   EL_GROUP_START + 9,
4712   EL_GROUP_START + 10,
4713   EL_GROUP_START + 11,
4714
4715   EL_GROUP_START + 12,
4716   EL_GROUP_START + 13,
4717   EL_GROUP_START + 14,
4718   EL_GROUP_START + 15,
4719
4720   EL_GROUP_START + 16,
4721   EL_GROUP_START + 17,
4722   EL_GROUP_START + 18,
4723   EL_GROUP_START + 19,
4724
4725   EL_GROUP_START + 20,
4726   EL_GROUP_START + 21,
4727   EL_GROUP_START + 22,
4728   EL_GROUP_START + 23,
4729
4730   EL_GROUP_START + 24,
4731   EL_GROUP_START + 25,
4732   EL_GROUP_START + 26,
4733   EL_GROUP_START + 27,
4734
4735   EL_GROUP_START + 28,
4736   EL_GROUP_START + 29,
4737   EL_GROUP_START + 30,
4738   EL_GROUP_START + 31
4739 };
4740 static int *editor_hl_group_ptr = editor_hl_group;
4741 static int *editor_el_group_ptr = editor_el_group;
4742 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4743 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4744
4745 static int editor_hl_reference[] =
4746 {
4747   EL_INTERNAL_CASCADE_REF_ACTIVE,
4748   EL_CHAR('R'),
4749   EL_CHAR('E'),
4750   EL_CHAR('F')
4751 };
4752
4753 static int editor_el_reference[] =
4754 {
4755   EL_TRIGGER_PLAYER,
4756   EL_TRIGGER_ELEMENT,
4757   EL_TRIGGER_CE_VALUE,
4758   EL_TRIGGER_CE_SCORE,
4759
4760   EL_SELF,
4761   EL_ANY_ELEMENT,
4762   EL_CURRENT_CE_VALUE,
4763   EL_CURRENT_CE_SCORE,
4764
4765   EL_PREV_CE_8,
4766   EL_PREV_CE_7,
4767   EL_PREV_CE_6,
4768   EL_PREV_CE_5,
4769
4770   EL_PREV_CE_4,
4771   EL_PREV_CE_3,
4772   EL_PREV_CE_2,
4773   EL_PREV_CE_1,
4774
4775   EL_NEXT_CE_1,
4776   EL_NEXT_CE_2,
4777   EL_NEXT_CE_3,
4778   EL_NEXT_CE_4,
4779
4780   EL_NEXT_CE_5,
4781   EL_NEXT_CE_6,
4782   EL_NEXT_CE_7,
4783   EL_NEXT_CE_8,
4784 };
4785 static int *editor_hl_reference_ptr = editor_hl_reference;
4786 static int *editor_el_reference_ptr = editor_el_reference;
4787 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4788 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4789
4790 static int editor_hl_user_defined[] =
4791 {
4792   EL_INTERNAL_CASCADE_USER_ACTIVE,
4793   EL_CHAR('M'),
4794   EL_CHAR('Y'),
4795   EL_EMPTY,
4796 };
4797
4798 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4799 static int *editor_el_user_defined_ptr = NULL;
4800 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4801 static int num_editor_el_user_defined = 0;
4802
4803 static int editor_hl_dynamic[] =
4804 {
4805   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4806   EL_CHAR('U'),
4807   EL_CHAR('S'),
4808   EL_CHAR('E'),
4809 };
4810
4811 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4812 static int *editor_el_dynamic_ptr = NULL;
4813 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4814 static int num_editor_el_dynamic = 0;
4815
4816 static int editor_hl_empty[] = { EL_EMPTY };
4817 static int *editor_el_empty = NULL;     /* dynamically allocated */
4818
4819 static int *editor_hl_empty_ptr = editor_hl_empty;
4820 static int *editor_el_empty_ptr = NULL;
4821 static int num_editor_hl_empty = 0;
4822 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4823
4824 static boolean use_el_empty = FALSE;
4825
4826 static int *editor_elements = NULL;     /* dynamically allocated */
4827 static int num_editor_elements = 0;     /* dynamically determined */
4828
4829 static boolean setup_editor_show_always = TRUE;
4830 static boolean setup_editor_cascade_never = FALSE;
4831
4832 static int editor_hl_unused[] = { EL_EMPTY };
4833 static int *editor_hl_unused_ptr = editor_hl_unused;
4834 static int num_editor_hl_unused = 0;
4835
4836 static struct
4837 {
4838   boolean *setup_value;
4839   boolean *setup_cascade_value;
4840
4841   int **headline_list;
4842   int *headline_list_size;
4843
4844   int **element_list;
4845   int *element_list_size;
4846
4847   boolean last_setup_value;
4848 }
4849 editor_elements_info[] =
4850 {
4851   {
4852     &setup_editor_show_always,
4853     &setup_editor_cascade_never,
4854     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4855     &editor_el_players_ptr,             &num_editor_el_players
4856   },
4857   {
4858     &setup.editor.el_boulderdash,
4859     &setup.editor_cascade.el_bd,
4860     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4861     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4862   },
4863   {
4864     &setup.editor.el_emerald_mine,
4865     &setup.editor_cascade.el_em,
4866     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4867     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4868   },
4869   {
4870     &setup.editor.el_emerald_mine_club,
4871     &setup.editor_cascade.el_emc,
4872     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4873     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4874   },
4875   {
4876     &setup.editor.el_more,
4877     &setup.editor_cascade.el_rnd,
4878     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4879     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4880   },
4881   {
4882     &setup.editor.el_sokoban,
4883     &setup.editor_cascade.el_sb,
4884     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4885     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4886   },
4887   {
4888     &setup.editor.el_supaplex,
4889     &setup.editor_cascade.el_sp,
4890     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4891     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4892   },
4893   {
4894     &setup.editor.el_diamond_caves,
4895     &setup.editor_cascade.el_dc,
4896     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4897     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4898   },
4899   {
4900     &setup.editor.el_dx_boulderdash,
4901     &setup.editor_cascade.el_dx,
4902     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4903     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4904   },
4905   {
4906     &setup.editor.el_chars,
4907     &setup.editor_cascade.el_chars,
4908     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4909     &editor_el_chars_ptr,               &num_editor_el_chars
4910   },
4911   {
4912     &setup.editor.el_steel_chars,
4913     &setup.editor_cascade.el_steel_chars,
4914     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4915     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4916   },
4917   {
4918     &setup.editor.el_custom,
4919     &setup.editor_cascade.el_ce,
4920     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4921     &editor_el_custom_ptr,              &num_editor_el_custom
4922   },
4923   {
4924     &setup.editor.el_custom,
4925     &setup.editor_cascade.el_ge,
4926     &editor_hl_group_ptr,               &num_editor_hl_group,
4927     &editor_el_group_ptr,               &num_editor_el_group
4928   },
4929   {
4930     &setup.editor.el_custom,
4931     &setup.editor_cascade.el_ref,
4932     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4933     &editor_el_reference_ptr,           &num_editor_el_reference
4934   },
4935   {
4936     &setup.editor.el_user_defined,
4937     &setup.editor_cascade.el_user,
4938     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4939     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4940   },
4941   {
4942     &setup.editor.el_dynamic,
4943     &setup.editor_cascade.el_dynamic,
4944     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4945     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4946   },
4947   {
4948     &use_el_empty,
4949     &use_el_empty,
4950     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4951     &editor_el_empty_ptr,               &num_editor_el_empty,
4952   },
4953   {
4954     NULL,
4955     NULL,
4956     NULL,                               NULL,
4957     NULL,                               NULL
4958   }
4959 };
4960
4961
4962 /*
4963   -----------------------------------------------------------------------------
4964   functions
4965   -----------------------------------------------------------------------------
4966 */
4967
4968 static int getMaxInfoTextLength()
4969 {
4970   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
4971 }
4972
4973 static int getTextWidthForGadget(char *text)
4974 {
4975   if (text == NULL)
4976     return 0;
4977
4978   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4979 }
4980
4981 static int getTextWidthForDrawingArea(char *text)
4982 {
4983   if (text == NULL)
4984     return 0;
4985
4986   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4987 }
4988
4989 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4990 {
4991   return (gi->x + gi->width + getTextWidthForGadget(text));
4992 }
4993
4994 static char *getElementInfoText(int element)
4995 {
4996   char *info_text = NULL;
4997
4998   if (element < MAX_NUM_ELEMENTS)
4999   {
5000     if (strlen(element_info[element].description) > 0)
5001       info_text = element_info[element].description;
5002     else if (element_info[element].custom_description != NULL)
5003       info_text = element_info[element].custom_description;
5004     else if (element_info[element].editor_description != NULL)
5005       info_text = element_info[element].editor_description;
5006   }
5007
5008   if (info_text == NULL)
5009     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5010
5011   return info_text;
5012 }
5013
5014 static char *getElementDescriptionFilenameExt(char *basename)
5015 {
5016   char *elements_subdir = "elements";
5017   static char *elements_subdir2 = NULL;
5018   static char *filename = NULL;
5019
5020   if (elements_subdir2 == NULL)
5021     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5022
5023   checked_free(filename);
5024
5025   /* 1st try: look for element description in current level set directory */
5026   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5027   if (fileExists(filename))
5028     return filename;
5029
5030   free(filename);
5031
5032   /* 2nd try: look for element description in the game's base directory */
5033   filename = getPath3(options.docs_directory, elements_subdir, basename);
5034   if (fileExists(filename))
5035     return filename;
5036
5037   return NULL;
5038 }
5039
5040 char *getElementDescriptionFilename(int element)
5041 {
5042   char basename[MAX_FILENAME_LEN];
5043   char *filename;
5044
5045   /* 1st try: look for element description file for exactly this element */
5046   sprintf(basename, "%s.txt", element_info[element].token_name);
5047   filename = getElementDescriptionFilenameExt(basename);
5048   if (filename != NULL)
5049     return filename;
5050
5051   /* 2nd try: look for element description file for this element's class */
5052   sprintf(basename, "%s.txt", element_info[element].class_name);
5053   filename = getElementDescriptionFilenameExt(basename);
5054   if (filename != NULL)
5055     return filename;
5056
5057   return NULL;
5058 }
5059
5060 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5061 {
5062   boolean element_found[NUM_FILE_ELEMENTS];
5063   int i, x, y;
5064
5065   /* initialize list of used elements to "not used" */
5066   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5067     element_found[i] = FALSE;
5068
5069   /* find all elements used in current level */
5070   for (y = 0; y < lev_fieldy; y++)
5071     for (x = 0; x < lev_fieldx; x++)
5072       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5073         element_found[Feld[x][y]] = TRUE;
5074
5075   *num_elements = 0;
5076
5077   /* count number of elements used in current level */
5078   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5079     if (element_found[i])
5080       (*num_elements)++;
5081
5082   /* add space for up to 3 more elements for padding that may be needed */
5083   *num_elements += 3;
5084
5085   /* free memory for old list of elements, if needed */
5086   checked_free(*elements);
5087
5088   /* allocate memory for new list of elements */
5089   *elements = checked_malloc(*num_elements * sizeof(int));
5090
5091   *num_elements = 0;
5092
5093   /* add all elements used in current level (non-custom/group elements) */
5094   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5095     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5096       (*elements)[(*num_elements)++] = i;
5097
5098   /* add all elements used in current level (custom/group elements) */
5099   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5100     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5101       (*elements)[(*num_elements)++] = i;
5102
5103   while (*num_elements % 4)     /* pad with empty elements, if needed */
5104     (*elements)[(*num_elements)++] = EL_EMPTY;
5105 }
5106
5107 static void ReinitializeElementList()
5108 {
5109   static boolean initialization_needed = TRUE;
5110   int pos = 0;
5111   int i, j;
5112
5113   if (initialization_needed)
5114   {
5115     LoadSetup_EditorCascade();          /* load last editor cascade state */
5116
5117     /* initialize editor cascade element from saved cascade state */
5118     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5119     {
5120       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5121       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5122
5123       if (IS_EDITOR_CASCADE(*cascade_element))
5124         *cascade_element =
5125           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5126            EL_CASCADE_INACTIVE(*cascade_element));
5127     }
5128
5129     initialization_needed = FALSE;
5130   }
5131
5132   checked_free(editor_elements);
5133
5134   /* reload optional user defined element list for each invocation of editor */
5135   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5136                                    &num_editor_el_user_defined);
5137
5138   /* initialize dynamic level element list for each invocation of editor */
5139   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5140                                &num_editor_el_dynamic);
5141
5142   /* initialize list of empty elements (used for padding, if needed) */
5143   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5144     editor_el_empty[i] = EL_EMPTY;
5145
5146   /* do some sanity checks for each element from element list */
5147   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5148   {
5149     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5150     {
5151       int element = (*editor_elements_info[i].element_list)[j];
5152
5153       if (element >= NUM_FILE_ELEMENTS)
5154         Error(ERR_WARN, "editor element %d is runtime element", element);
5155
5156       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5157         Error(ERR_WARN, "no element description for element %d", element);
5158     }
5159   }
5160
5161   num_editor_elements = 0;
5162   use_el_empty = FALSE;
5163
5164   /* determine size of element list */
5165   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5166   {
5167     boolean found_inactive_cascade = FALSE;
5168
5169     if (*editor_elements_info[i].setup_value)
5170     {
5171       if (setup.editor.el_headlines)
5172       {
5173         // required for correct padding of palette headline buttons
5174         if (*editor_elements_info[i].headline_list_size > 0)
5175           num_editor_elements += editor.palette.cols;
5176
5177         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5178         {
5179           int element = (*editor_elements_info[i].headline_list)[j];
5180
5181           if (IS_EDITOR_CASCADE_INACTIVE(element))
5182             found_inactive_cascade = TRUE;
5183         }
5184       }
5185
5186       if (found_inactive_cascade)
5187         continue;
5188
5189       // required for correct padding of palette element buttons
5190       int element_list_size = *editor_elements_info[i].element_list_size;
5191       int element_rows =
5192         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5193       int element_buttons = editor.palette.cols * element_rows;
5194
5195       num_editor_elements += element_buttons;
5196     }
5197   }
5198
5199   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5200   {
5201     /* offer at least as many elements as element buttons exist */
5202     use_el_empty = TRUE;
5203     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5204
5205     num_editor_elements += num_editor_el_empty;
5206   }
5207
5208   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5209
5210   /* fill element list */
5211   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5212   {
5213     boolean found_inactive_cascade = FALSE;
5214
5215     if (*editor_elements_info[i].setup_value)
5216     {
5217       if (setup.editor.el_headlines)
5218       {
5219         // required for correct padding of palette headline buttons
5220         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5221                              editor.palette.cols : 0);
5222
5223         for (j = 0; j < headline_size; j++)
5224         {
5225           // use empty elements for padding of palette headline buttons
5226           int element = (j < *editor_elements_info[i].headline_list_size ?
5227                          (*editor_elements_info[i].headline_list)[j] :
5228                          editor_el_empty[0]);
5229
5230           editor_elements[pos++] = element;
5231
5232           if (IS_EDITOR_CASCADE_INACTIVE(element))
5233             found_inactive_cascade = TRUE;
5234         }
5235       }
5236
5237       if (found_inactive_cascade)
5238         continue;
5239
5240       // required for correct padding of palette element buttons
5241       int element_list_size = *editor_elements_info[i].element_list_size;
5242       int element_rows =
5243         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5244       int element_buttons = editor.palette.cols * element_rows;
5245
5246       // copy all elements from element list
5247       for (j = 0; j < element_list_size; j++)
5248         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5249
5250       // use empty elements for padding of palette element buttons
5251       for (j = 0; j < element_buttons - element_list_size; j++)
5252         editor_elements[pos++] = editor_el_empty[0];
5253     }
5254   }
5255
5256   /* (this function is also called before editor gadgets are initialized!) */
5257   AdjustElementListScrollbar();
5258 }
5259
5260 void PrintEditorElementList()
5261 {
5262   boolean *stop = &setup.editor.el_user_defined;
5263   int i, j;
5264
5265   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5266   {
5267     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5268
5269     if (IS_EDITOR_CASCADE(cascade_element))
5270     {
5271       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5272       char *headline = element_info[cascade_element_show].editor_description;
5273
5274       PrintLineWithPrefix("# ", "-", 77);
5275       Print("# %s\n", headline);
5276       PrintLineWithPrefix("# ", "-", 77);
5277     }
5278
5279     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5280     {
5281       int element = (*editor_elements_info[i].headline_list)[j];
5282
5283       if (IS_EDITOR_CASCADE(element))
5284         element = EL_CHAR_MINUS;
5285
5286       Print("# %s\n", element_info[element].token_name);
5287     }
5288
5289     if (j > 0)
5290       Print("#\n");
5291
5292     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5293     {
5294       int element = (*editor_elements_info[i].element_list)[j];
5295
5296       Print("# %s\n", element_info[element].token_name);
5297     }
5298
5299     if (j > 0)
5300       Print("#\n");
5301   }
5302 }
5303
5304 static void ReinitializeElementListButtons()
5305 {
5306   static boolean last_setup_value_headlines = FALSE;
5307   static boolean initialization_needed = TRUE;
5308   int i;
5309
5310   if (!initialization_needed)   /* check if editor element setup has changed */
5311   {
5312     if (last_setup_value_headlines != setup.editor.el_headlines)
5313       initialization_needed = TRUE;
5314
5315     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5316       if (editor_elements_info[i].last_setup_value !=
5317           *editor_elements_info[i].setup_value)
5318         initialization_needed = TRUE;
5319   }
5320
5321   if (!initialization_needed)
5322     return;
5323
5324   FreeLevelEditorGadgets();
5325   CreateLevelEditorGadgets();
5326
5327   /* store current setup values for next invocation of this function */
5328   last_setup_value_headlines = setup.editor.el_headlines;
5329   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5330     editor_elements_info[i].last_setup_value =
5331       *editor_elements_info[i].setup_value;
5332
5333   initialization_needed = FALSE;
5334 }
5335
5336 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5337                               boolean input)
5338 {
5339   int border_graphic =
5340     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5341   struct GraphicInfo *g = &graphic_info[border_graphic];
5342   Bitmap *src_bitmap = g->bitmap;
5343   int src_x = g->src_x;
5344   int src_y = g->src_y;
5345   int border_size = g->border_size;
5346   int border_xpos = g->width  - border_size;
5347   int border_ypos = g->height - border_size;
5348   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5349   int i;
5350
5351   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5352              border_size, border_size,
5353              dest_x - border_size, dest_y - border_size);
5354   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5355              border_size, border_size,
5356              dest_x + width, dest_y - border_size);
5357   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5358              border_size, border_size,
5359              dest_x - border_size, dest_y + height);
5360   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5361              border_size, border_size,
5362              dest_x + width, dest_y + height);
5363
5364   for (i = 0; i < width / tilesize; i++)
5365   {
5366     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5367                tilesize, border_size,
5368                dest_x + i * tilesize, dest_y - border_size);
5369     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5370                tilesize, border_size,
5371                dest_x + i * tilesize, dest_y + height);
5372   }
5373
5374   for (i = 0; i < height / tilesize; i++)
5375   {
5376     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5377                border_size, tilesize,
5378                dest_x - border_size, dest_y + i * tilesize);
5379     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5380                border_size, tilesize,
5381                dest_x + width, dest_y + i * tilesize);
5382   }
5383
5384   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5385 }
5386
5387 static void DrawEditorElement(int x, int y, int element)
5388 {
5389   DrawSizedElement(x, y, element, ed_tilesize);
5390 }
5391
5392 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5393 {
5394   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5395 }
5396
5397 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5398 {
5399   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5400 }
5401
5402 static void DrawDrawingArea(int id)
5403 {
5404   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5405   int x, y;
5406
5407   int *value = drawingarea_info[id].value;
5408   int area_xsize = drawingarea_info[id].area_xsize;
5409   int area_ysize = drawingarea_info[id].area_ysize;
5410   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5411
5412   for (x = 0; x < area_xsize; x++)
5413     for (y = 0; y < area_ysize; y++)
5414       DrawSizedGraphicExt(drawto,
5415                           gi->x + x * tilesize,
5416                           gi->y + y * tilesize,
5417                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5418 }
5419
5420 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5421 {
5422   int x, y;
5423   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5424   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5425
5426   BlitBitmap(drawto, drawto,
5427              SX + (dx == -1 ? ed_tilesize : 0),
5428              SY + (dy == -1 ? ed_tilesize : 0),
5429              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5430              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5431              SX + (dx == +1 ? ed_tilesize : 0),
5432              SY + (dy == +1 ? ed_tilesize : 0));
5433
5434   if (dx)
5435   {
5436     x = (dx == 1 ? 0 : ed_fieldx - 1);
5437     for (y = 0; y < ed_fieldy; y++)
5438       DrawEditorElementOrWall(x, y, from_x, from_y);
5439   }
5440   else if (dy)
5441   {
5442     y = (dy == 1 ? 0 : ed_fieldy - 1);
5443     for (x = 0; x < ed_fieldx; x++)
5444       DrawEditorElementOrWall(x, y, from_x, from_y);
5445   }
5446
5447   redraw_mask |= REDRAW_FIELD;
5448   BackToFront();
5449 }
5450
5451 void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
5452                             int *x, int *y)
5453 {
5454   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
5455 }
5456
5457 static void CreateControlButtons()
5458 {
5459   struct GadgetInfo *gi;
5460   int i;
5461
5462   /* create toolbox buttons */
5463   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5464   {
5465     int id = controlbutton_info[i].gadget_id;
5466     int type = controlbutton_info[i].gadget_type;
5467     int graphic = controlbutton_info[i].graphic;
5468     struct XYTileSize *pos = controlbutton_info[i].pos;
5469     struct GraphicInfo *gd = &graphic_info[graphic];
5470     Bitmap *deco_bitmap = NULL;
5471     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
5472     int tile_size = 0, deco_shift = 0;
5473     boolean deco_masked = FALSE;
5474     int gd_x1 = gd->src_x;
5475     int gd_y1 = gd->src_y;
5476     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5477     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5478     int gd_x1a = gd->src_x + gd->active_xoffset;
5479     int gd_y1a = gd->src_y + gd->active_yoffset;
5480     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5481     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5482     int x = pos->x;
5483     int y = pos->y;
5484     unsigned int event_mask;
5485     int radio_button_nr = RADIO_NR_NONE;
5486     boolean checked = FALSE;
5487
5488     if (type == GD_TYPE_RADIO_BUTTON)
5489     {
5490       event_mask = GD_EVENT_PRESSED;
5491       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5492
5493       if (id == drawing_function)
5494         checked = TRUE;
5495     }
5496     else
5497     {
5498       if (id == GADGET_ID_WRAP_LEFT ||
5499           id == GADGET_ID_WRAP_RIGHT ||
5500           id == GADGET_ID_WRAP_UP ||
5501           id == GADGET_ID_WRAP_DOWN)
5502         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5503       else
5504         event_mask = GD_EVENT_RELEASED;
5505     }
5506
5507     if (id == GADGET_ID_PROPERTIES ||
5508         id == GADGET_ID_PALETTE)
5509     {
5510       x += DX;
5511       y += DY;
5512     }
5513     else if (id == GADGET_ID_ELEMENT_LEFT ||
5514              id == GADGET_ID_ELEMENT_MIDDLE ||
5515              id == GADGET_ID_ELEMENT_RIGHT)
5516     {
5517       x += DX;
5518       y += DY;
5519
5520       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
5521                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
5522                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
5523
5524       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
5525                                    editor.button.element_left.tile_size :
5526                                    id == GADGET_ID_ELEMENT_MIDDLE ?
5527                                    editor.button.element_middle.tile_size :
5528                                    id == GADGET_ID_ELEMENT_RIGHT ?
5529                                    editor.button.element_right.tile_size : 0);
5530
5531       // make sure that decoration does not overlap gadget border
5532       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
5533
5534       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
5535
5536       deco_xpos = (gd->width  - tile_size) / 2;
5537       deco_ypos = (gd->height - tile_size) / 2;
5538       deco_shift = 1;
5539       deco_masked = gd->draw_masked;
5540     }
5541     else
5542     {
5543       x += EX;
5544       y += EY;
5545     }
5546
5547     gi = CreateGadget(GDI_CUSTOM_ID, id,
5548                       GDI_CUSTOM_TYPE_ID, i,
5549                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
5550                       GDI_X, x,
5551                       GDI_Y, y,
5552                       GDI_WIDTH, gd->width,
5553                       GDI_HEIGHT, gd->height,
5554                       GDI_TYPE, type,
5555                       GDI_STATE, GD_BUTTON_UNPRESSED,
5556                       GDI_RADIO_NR, radio_button_nr,
5557                       GDI_CHECKED, checked,
5558                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5559                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5560                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
5561                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
5562                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5563                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5564                       GDI_DECORATION_SIZE, tile_size, tile_size,
5565                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
5566                       GDI_DECORATION_MASKED, deco_masked,
5567                       GDI_EVENT_MASK, event_mask,
5568                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5569                       GDI_CALLBACK_ACTION, HandleControlButtons,
5570                       GDI_END);
5571
5572     if (gi == NULL)
5573       Error(ERR_EXIT, "cannot create gadget");
5574
5575     level_editor_gadget[id] = gi;
5576   }
5577
5578   /* these values are not constant, but can change at runtime */
5579   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5580   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5581   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5582   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5583   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5584   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5585   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5586   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5587   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
5588   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
5589   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
5590   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
5591
5592   /* create buttons for scrolling of drawing area and element list */
5593   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5594   {
5595     int id = scrollbutton_info[i].gadget_id;
5596     int graphic = scrollbutton_info[i].graphic;
5597     struct GraphicInfo *gd = &graphic_info[graphic];
5598     Bitmap *gd_bitmap = gd->bitmap;
5599     int gd_x1 = gd->src_x;
5600     int gd_y1 = gd->src_y;
5601     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5602     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5603     int width  = gd->width;
5604     int height = gd->height;
5605     int x = scrollbutton_pos[i].x;
5606     int y = scrollbutton_pos[i].y;
5607     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5608
5609     if (id == GADGET_ID_SCROLL_LIST_UP ||
5610         id == GADGET_ID_SCROLL_LIST_DOWN)
5611     {
5612       x += PX;
5613       y += PY;
5614     }
5615     else
5616     {
5617       x += SX;
5618       y += SY;
5619     }
5620
5621     gi = CreateGadget(GDI_CUSTOM_ID, id,
5622                       GDI_CUSTOM_TYPE_ID, i,
5623                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5624                       GDI_X, x,
5625                       GDI_Y, y,
5626                       GDI_WIDTH, width,
5627                       GDI_HEIGHT, height,
5628                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5629                       GDI_STATE, GD_BUTTON_UNPRESSED,
5630                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5631                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5632                       GDI_EVENT_MASK, event_mask,
5633                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5634                       GDI_CALLBACK_ACTION, HandleControlButtons,
5635                       GDI_END);
5636
5637     if (gi == NULL)
5638       Error(ERR_EXIT, "cannot create gadget");
5639
5640     level_editor_gadget[id] = gi;
5641   }
5642
5643   /* create buttons for element list */
5644   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5645   {
5646     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5647     int graphic = IMG_EDITOR_PALETTE_BUTTON;
5648     struct GraphicInfo *gd = &graphic_info[graphic];
5649     Bitmap *gd_bitmap = gd->bitmap;
5650     Bitmap *deco_bitmap;
5651     int deco_x, deco_y, deco_xpos, deco_ypos;
5652     int gd_x1 = gd->src_x;
5653     int gd_y1 = gd->src_y;
5654     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5655     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5656     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5657     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5658     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
5659     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
5660     int element = editor_elements[i];
5661     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
5662     unsigned int event_mask = GD_EVENT_RELEASED;
5663
5664     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
5665
5666     deco_xpos = (gd->width  - tile_size) / 2;
5667     deco_ypos = (gd->height - tile_size) / 2;
5668
5669     gi = CreateGadget(GDI_CUSTOM_ID, id,
5670                       GDI_CUSTOM_TYPE_ID, i,
5671                       GDI_INFO_TEXT, getElementInfoText(element),
5672                       GDI_X, x,
5673                       GDI_Y, y,
5674                       GDI_WIDTH, gd->width,
5675                       GDI_HEIGHT, gd->height,
5676                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5677                       GDI_STATE, GD_BUTTON_UNPRESSED,
5678                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5679                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5680                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5681                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5682                       GDI_DECORATION_SIZE, tile_size, tile_size,
5683                       GDI_DECORATION_SHIFTING, 1, 1,
5684                       GDI_EVENT_MASK, event_mask,
5685                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5686                       GDI_CALLBACK_ACTION, HandleControlButtons,
5687                       GDI_END);
5688
5689     if (gi == NULL)
5690       Error(ERR_EXIT, "cannot create gadget");
5691
5692     level_editor_gadget[id] = gi;
5693   }
5694 }
5695
5696 static void CreateCounterButtons()
5697 {
5698   int max_infotext_len = getMaxInfoTextLength();
5699   int i;
5700
5701   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5702   {
5703     int j;
5704     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
5705     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
5706
5707     /* determine horizontal position to the right of specified gadget */
5708     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5709       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5710            ED_GADGET_TEXT_DISTANCE);
5711
5712     /* determine horizontal offset for leading text */
5713     if (counterbutton_info[i].text_left != NULL)
5714       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5715
5716     for (j = 0; j < 2; j++)
5717     {
5718       struct GadgetInfo *gi;
5719       int id = (j == 0 ?
5720                 counterbutton_info[i].gadget_id_down :
5721                 counterbutton_info[i].gadget_id_up);
5722       int graphic;
5723       struct GraphicInfo *gd;
5724       int gd_x1, gd_x2, gd_y1, gd_y2;
5725       unsigned int event_mask;
5726       char infotext[max_infotext_len + 1];
5727
5728       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5729
5730       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5731       {
5732         graphic = (j == 0 ?
5733                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
5734                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
5735
5736         event_mask |= GD_EVENT_RELEASED;
5737
5738         if (j == 0)
5739         {
5740           x = DX + editor.button.prev_level.x;
5741           y = DY + editor.button.prev_level.y;
5742         }
5743         else
5744         {
5745           x = DX + editor.button.next_level.x;
5746           y = DY + editor.button.next_level.y;
5747         }
5748       }
5749       else
5750       {
5751         graphic = (j == 0 ?
5752                    IMG_EDITOR_COUNTER_DOWN :
5753                    IMG_EDITOR_COUNTER_UP);
5754       }
5755
5756       gd = &graphic_info[graphic];
5757
5758       gd_x1 = gd->src_x;
5759       gd_y1 = gd->src_y;
5760       gd_x2 = gd->src_x + gd->pressed_xoffset;
5761       gd_y2 = gd->src_y + gd->pressed_yoffset;
5762
5763       sprintf(infotext, "%s counter value by 1, 5 or 10",
5764               (j == 0 ? "decrease" : "increase"));
5765
5766       gi = CreateGadget(GDI_CUSTOM_ID, id,
5767                         GDI_CUSTOM_TYPE_ID, i,
5768                         GDI_INFO_TEXT, infotext,
5769                         GDI_X, x,
5770                         GDI_Y, y,
5771                         GDI_WIDTH, gd->width,
5772                         GDI_HEIGHT, gd->height,
5773                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5774                         GDI_STATE, GD_BUTTON_UNPRESSED,
5775                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5776                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5777                         GDI_EVENT_MASK, event_mask,
5778                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5779                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5780                         GDI_END);
5781
5782       if (gi == NULL)
5783         Error(ERR_EXIT, "cannot create gadget");
5784
5785       level_editor_gadget[id] = gi;
5786       right_gadget_border[id] =
5787         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5788
5789       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
5790
5791       if (j == 0)
5792       {
5793         int font_type = FONT_INPUT_1;
5794         int font_type_active = FONT_INPUT_1_ACTIVE;
5795
5796         id = counterbutton_info[i].gadget_id_text;
5797
5798         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5799
5800         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5801         {
5802           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
5803
5804           font_type = FONT_LEVEL_NUMBER;
5805           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5806
5807           x = DX + editor.input.level_number.x;
5808           y = DY + editor.input.level_number.y;
5809         }
5810         else
5811         {
5812           graphic = IMG_EDITOR_COUNTER_INPUT;
5813         }
5814
5815         gd = &graphic_info[graphic];
5816
5817         gd_x1 = gd->src_x;
5818         gd_y1 = gd->src_y;
5819         gd_x2 = gd->src_x + gd->active_xoffset;
5820         gd_y2 = gd->src_y + gd->active_yoffset;
5821
5822         gi = CreateGadget(GDI_CUSTOM_ID, id,
5823                           GDI_CUSTOM_TYPE_ID, i,
5824                           GDI_INFO_TEXT, "enter counter value",
5825                           GDI_X, x,
5826                           GDI_Y, y,
5827                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5828                           GDI_NUMBER_VALUE, 0,
5829                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5830                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5831                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5832                           GDI_TEXT_FONT, font_type,
5833                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5834                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5835                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5836                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5837                           GDI_DESIGN_WIDTH, gd->width,
5838                           GDI_EVENT_MASK, event_mask,
5839                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5840                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5841                           GDI_END);
5842
5843         if (gi == NULL)
5844           Error(ERR_EXIT, "cannot create gadget");
5845
5846         level_editor_gadget[id] = gi;
5847         right_gadget_border[id] =
5848           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5849
5850         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
5851       }
5852     }
5853   }
5854 }
5855
5856 static void CreateDrawingAreas()
5857 {
5858   int i;
5859
5860   /* these values are not constant, but can change at runtime */
5861   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
5862   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
5863
5864   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5865   {
5866     struct GadgetInfo *gi;
5867     unsigned int event_mask;
5868     int id = drawingarea_info[i].gadget_id;
5869     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
5870     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
5871     int area_xsize = drawingarea_info[i].area_xsize;
5872     int area_ysize = drawingarea_info[i].area_ysize;
5873     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
5874                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
5875
5876     event_mask =
5877       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5878       GD_EVENT_OFF_BORDERS;
5879
5880     /* determine horizontal position to the right of specified gadget */
5881     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5882       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5883            ED_DRAWINGAREA_TEXT_DISTANCE);
5884
5885     /* determine horizontal offset for leading text */
5886     if (drawingarea_info[i].text_left != NULL)
5887       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5888
5889     gi = CreateGadget(GDI_CUSTOM_ID, id,
5890                       GDI_CUSTOM_TYPE_ID, i,
5891                       GDI_X, x,
5892                       GDI_Y, y,
5893                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5894                       GDI_AREA_SIZE, area_xsize, area_ysize,
5895                       GDI_ITEM_SIZE, item_size, item_size,
5896                       GDI_EVENT_MASK, event_mask,
5897                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5898                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5899                       GDI_END);
5900
5901     if (gi == NULL)
5902       Error(ERR_EXIT, "cannot create gadget");
5903
5904     level_editor_gadget[id] = gi;
5905     right_gadget_border[id] =
5906       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5907   }
5908 }
5909
5910 static void CreateTextInputGadgets()
5911 {
5912   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
5913   int max_infotext_len = getMaxInfoTextLength();
5914   int i;
5915
5916   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5917   {
5918     int gd_x1 = gd->src_x;
5919     int gd_y1 = gd->src_y;
5920     int gd_x2 = gd->src_x + gd->active_xoffset;
5921     int gd_y2 = gd->src_y + gd->active_yoffset;
5922     struct GadgetInfo *gi;
5923     unsigned int event_mask;
5924     char infotext[MAX_OUTPUT_LINESIZE + 1];
5925     int id = textinput_info[i].gadget_id;
5926     int x, y;
5927
5928     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
5929     {
5930       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
5931       int border_size = gd->border_size;
5932       int font_nr = FONT_INPUT_1;
5933       int font_height = getFontHeight(font_nr);
5934       int xoffset = element_border + TILEX + element_border + 3 * border_size;
5935       int yoffset = element_border + (TILEY - font_height) / 2;
5936
5937       x = (editor.settings.element_name.x != -1 ?
5938            editor.settings.element_name.x :
5939            editor.settings.element_graphic.x + xoffset) - border_size;
5940       y = (editor.settings.element_name.y != -1 ?
5941            editor.settings.element_name.y :
5942            editor.settings.element_graphic.y + yoffset) - border_size;
5943     }
5944     else
5945     {
5946       x = ED_SETTINGS_X(textinput_info[i].x);
5947       y = ED_SETTINGS_Y(textinput_info[i].y);
5948     }
5949
5950     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5951
5952     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5953     infotext[max_infotext_len] = '\0';
5954
5955     gi = CreateGadget(GDI_CUSTOM_ID, id,
5956                       GDI_CUSTOM_TYPE_ID, i,
5957                       GDI_INFO_TEXT, infotext,
5958                       GDI_X, SX + x,
5959                       GDI_Y, SY + y,
5960                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5961                       GDI_TEXT_VALUE, textinput_info[i].value,
5962                       GDI_TEXT_SIZE, textinput_info[i].size,
5963                       GDI_TEXT_FONT, FONT_INPUT_1,
5964                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5965                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5966                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5967                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5968                       GDI_DESIGN_WIDTH, gd->width,
5969                       GDI_EVENT_MASK, event_mask,
5970                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5971                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5972                       GDI_END);
5973
5974     if (gi == NULL)
5975       Error(ERR_EXIT, "cannot create gadget");
5976
5977     level_editor_gadget[id] = gi;
5978   }
5979 }
5980
5981 static void CreateTextAreaGadgets()
5982 {
5983   int max_infotext_len = getMaxInfoTextLength();
5984   int i;
5985
5986   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5987   {
5988     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
5989     int gd_x1 = gd->src_x;
5990     int gd_y1 = gd->src_y;
5991     int gd_x2 = gd->src_x + gd->active_xoffset;
5992     int gd_y2 = gd->src_y + gd->active_yoffset;
5993     struct GadgetInfo *gi;
5994     unsigned int event_mask;
5995     char infotext[MAX_OUTPUT_LINESIZE + 1];
5996     int id = textarea_info[i].gadget_id;
5997     int area_xsize = textarea_info[i].xsize;
5998     int area_ysize = textarea_info[i].ysize;
5999
6000     event_mask = GD_EVENT_TEXT_LEAVING;
6001
6002     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6003     infotext[max_infotext_len] = '\0';
6004
6005     gi = CreateGadget(GDI_CUSTOM_ID, id,
6006                       GDI_CUSTOM_TYPE_ID, i,
6007                       GDI_INFO_TEXT, infotext,
6008                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6009                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6010                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6011                       GDI_AREA_SIZE, area_xsize, area_ysize,
6012                       GDI_TEXT_FONT, FONT_INPUT_1,
6013                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6014                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6015                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6016                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6017                       GDI_DESIGN_WIDTH, gd->width,
6018                       GDI_EVENT_MASK, event_mask,
6019                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6020                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6021                       GDI_END);
6022
6023     if (gi == NULL)
6024       Error(ERR_EXIT, "cannot create gadget");
6025
6026     level_editor_gadget[id] = gi;
6027   }
6028 }
6029
6030 static void CreateSelectboxGadgets()
6031 {
6032   int max_infotext_len = getMaxInfoTextLength();
6033   int i, j;
6034
6035   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6036   {
6037     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6038     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6039     int gd_x1 = gd->src_x;
6040     int gd_y1 = gd->src_y;
6041     int gd_x2 = gd->src_x + gd->active_xoffset;
6042     int gd_y2 = gd->src_y + gd->active_yoffset;
6043     int selectbox_button_xsize = gd2->width;
6044     struct GadgetInfo *gi;
6045     unsigned int event_mask;
6046     char infotext[MAX_OUTPUT_LINESIZE + 1];
6047     int id = selectbox_info[i].gadget_id;
6048     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6049     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6050
6051     if (selectbox_info[i].size == -1)   /* dynamically determine size */
6052     {
6053       /* (we cannot use -1 for uninitialized values if we directly compare
6054          with results from strlen(), because the '<' and '>' operation will
6055          implicitely cast -1 to an unsigned integer value!) */
6056       selectbox_info[i].size = 0;
6057
6058       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6059         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6060           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6061
6062       selectbox_info[i].size++;         /* add one character empty space */
6063     }
6064
6065     event_mask = GD_EVENT_RELEASED |
6066       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6067
6068     /* determine horizontal position to the right of specified gadget */
6069     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6070       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6071            ED_GADGET_TEXT_DISTANCE);
6072
6073     /* determine horizontal offset for leading text */
6074     if (selectbox_info[i].text_left != NULL)
6075       x += getTextWidthForGadget(selectbox_info[i].text_left);
6076
6077     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6078     infotext[max_infotext_len] = '\0';
6079
6080     gi = CreateGadget(GDI_CUSTOM_ID, id,
6081                       GDI_CUSTOM_TYPE_ID, i,
6082                       GDI_INFO_TEXT, infotext,
6083                       GDI_X, x,
6084                       GDI_Y, y,
6085                       GDI_TYPE, GD_TYPE_SELECTBOX,
6086                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6087                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6088                       GDI_TEXT_SIZE, selectbox_info[i].size,
6089                       GDI_TEXT_FONT, FONT_INPUT_1,
6090                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6091                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6092                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6093                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6094                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6095                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6096                       GDI_DESIGN_WIDTH, gd->width,
6097                       GDI_EVENT_MASK, event_mask,
6098                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6099                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6100                       GDI_END);
6101
6102     if (gi == NULL)
6103       Error(ERR_EXIT, "cannot create gadget");
6104
6105     level_editor_gadget[id] = gi;
6106     right_gadget_border[id] =
6107       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6108   }
6109 }
6110
6111 static void CreateTextbuttonGadgets()
6112 {
6113   int max_infotext_len = getMaxInfoTextLength();
6114   int i;
6115
6116   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6117   {
6118     int id = textbutton_info[i].gadget_id;
6119     int is_tab_button =
6120       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6121        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6122     int graphic =
6123       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6124     int gadget_distance =
6125       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6126     struct GraphicInfo *gd = &graphic_info[graphic];
6127     int gd_x1 = gd->src_x;
6128     int gd_y1 = gd->src_y;
6129     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6130     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6131     int gd_x1a = gd->src_x + gd->active_xoffset;
6132     int gd_y1a = gd->src_y + gd->active_yoffset;
6133     int border_xsize = gd->border_size + gd->draw_xoffset;
6134     int border_ysize = gd->border_size;
6135     struct GadgetInfo *gi;
6136     unsigned int event_mask;
6137     char infotext[MAX_OUTPUT_LINESIZE + 1];
6138     int x = SX + ED_TAB_SETTINGS_X(textbutton_info[i].x);
6139     int y = SY + ED_TAB_SETTINGS_Y(textbutton_info[i].y);
6140
6141     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6142       textbutton_info[i].size = strlen(textbutton_info[i].text);
6143
6144     event_mask = GD_EVENT_RELEASED;
6145
6146     sprintf(infotext, "%s", textbutton_info[i].infotext);
6147     infotext[max_infotext_len] = '\0';
6148
6149     /* determine horizontal position to the right of specified gadget */
6150     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6151     {
6152       int gadget_id_align = textbutton_info[i].gadget_id_align;
6153
6154       x = right_gadget_border[gadget_id_align] + gadget_distance;
6155
6156       if (textbutton_info[i].y == -1)
6157         y = level_editor_gadget[gadget_id_align]->y;
6158     }
6159
6160     /* determine horizontal offset for leading text */
6161     if (textbutton_info[i].text_left != NULL)
6162       x += getTextWidthForGadget(textbutton_info[i].text_left);
6163
6164     gi = CreateGadget(GDI_CUSTOM_ID, id,
6165                       GDI_CUSTOM_TYPE_ID, i,
6166                       GDI_INFO_TEXT, infotext,
6167                       GDI_X, x,
6168                       GDI_Y, y,
6169                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6170                       GDI_TEXT_VALUE, textbutton_info[i].text,
6171                       GDI_TEXT_SIZE, textbutton_info[i].size,
6172                       GDI_TEXT_FONT, FONT_INPUT_2,
6173                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6174                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6175                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6176                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6177                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6178                       GDI_DESIGN_WIDTH, gd->width,
6179                       GDI_DECORATION_SHIFTING, 1, 1,
6180                       GDI_EVENT_MASK, event_mask,
6181                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6182                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6183                       GDI_END);
6184
6185     if (gi == NULL)
6186       Error(ERR_EXIT, "cannot create gadget");
6187
6188     level_editor_gadget[id] = gi;
6189     right_gadget_border[id] =
6190       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6191   }
6192 }
6193
6194 static void CreateGraphicbuttonGadgets()
6195 {
6196   struct GadgetInfo *gi;
6197   unsigned int event_mask;
6198   int i;
6199
6200   /* create buttons for scrolling of drawing area and element list */
6201   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6202   {
6203     int id = graphicbutton_info[i].gadget_id;
6204     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6205     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6206     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6207     int gd_x1 = gd->src_x;
6208     int gd_y1 = gd->src_y;
6209     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6210     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6211
6212     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6213
6214     /* determine horizontal position to the right of specified gadget */
6215     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6216       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6217            ED_GADGET_TEXT_DISTANCE);
6218
6219     /* determine horizontal offset for leading text */
6220     if (graphicbutton_info[i].text_left != NULL)
6221       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6222
6223     gi = CreateGadget(GDI_CUSTOM_ID, id,
6224                       GDI_CUSTOM_TYPE_ID, i,
6225                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6226                       GDI_X, x,
6227                       GDI_Y, y,
6228                       GDI_WIDTH, gd->width,
6229                       GDI_HEIGHT, gd->height,
6230                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6231                       GDI_STATE, GD_BUTTON_UNPRESSED,
6232                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6233                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6234                       GDI_EVENT_MASK, event_mask,
6235                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6236                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6237                       GDI_END);
6238
6239     if (gi == NULL)
6240       Error(ERR_EXIT, "cannot create gadget");
6241
6242     level_editor_gadget[id] = gi;
6243     right_gadget_border[id] =
6244       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6245   }
6246 }
6247
6248 static void CreateScrollbarGadgets()
6249 {
6250   int i;
6251
6252   /* these values are not constant, but can change at runtime */
6253   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6254     SX + ED_SCROLL_HORIZONTAL_XPOS;
6255   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6256     SY + ED_SCROLL_HORIZONTAL_YPOS;
6257   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6258     ED_SCROLL_HORIZONTAL_XSIZE;
6259   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6260     ED_SCROLL_HORIZONTAL_YSIZE;
6261   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6262   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6263   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6264   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6265
6266   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6267     SX + ED_SCROLL_VERTICAL_XPOS;
6268   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6269     SY + ED_SCROLL_VERTICAL_YPOS;
6270   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6271     ED_SCROLL_VERTICAL_XSIZE;
6272   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6273     ED_SCROLL_VERTICAL_YSIZE;
6274   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6275   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6276   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6277   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6278
6279   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6280     PX + ED_SCROLL2_VERTICAL_XPOS;
6281   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6282     PY + ED_SCROLL2_VERTICAL_YPOS;
6283   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6284     ED_SCROLL2_VERTICAL_XSIZE;
6285   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6286     ED_SCROLL2_VERTICAL_YSIZE;
6287   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6288   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6289   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6290   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6291
6292   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6293   {
6294     int id = scrollbar_info[i].gadget_id;
6295     int graphic = scrollbar_info[i].graphic;
6296     struct GraphicInfo *gd = &graphic_info[graphic];
6297     int gd_x1 = gd->src_x;
6298     int gd_y1 = gd->src_y;
6299     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6300     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6301     struct GadgetInfo *gi;
6302     int items_max, items_visible, item_position;
6303     unsigned int event_mask;
6304
6305     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6306     {
6307       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6308       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6309       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6310     }
6311     else        /* drawing area scrollbars */
6312     {
6313       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6314       {
6315         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6316         items_visible = ed_fieldx;
6317         item_position = 0;
6318       }
6319       else
6320       {
6321         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6322         items_visible = ed_fieldy;
6323         item_position = 0;
6324       }
6325     }
6326
6327     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6328
6329     gi = CreateGadget(GDI_CUSTOM_ID, id,
6330                       GDI_CUSTOM_TYPE_ID, i,
6331                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6332                       GDI_X, scrollbar_pos[i].x,
6333                       GDI_Y, scrollbar_pos[i].y,
6334                       GDI_WIDTH, scrollbar_pos[i].width,
6335                       GDI_HEIGHT, scrollbar_pos[i].height,
6336                       GDI_TYPE, scrollbar_info[i].type,
6337                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6338                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6339                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6340                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6341                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6342                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6343                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6344                       GDI_STATE, GD_BUTTON_UNPRESSED,
6345                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6346                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6347                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6348                       GDI_EVENT_MASK, event_mask,
6349                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6350                       GDI_CALLBACK_ACTION, HandleControlButtons,
6351                       GDI_END);
6352
6353     if (gi == NULL)
6354       Error(ERR_EXIT, "cannot create gadget");
6355
6356     level_editor_gadget[id] = gi;
6357   }
6358 }
6359
6360 static void CreateCheckbuttonGadgets()
6361 {
6362   struct GadgetInfo *gi;
6363   unsigned int event_mask;
6364   int i;
6365
6366   event_mask = GD_EVENT_PRESSED;
6367
6368   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6369   {
6370     int id = checkbutton_info[i].gadget_id;
6371     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6372                    IMG_EDITOR_CHECKBOX);
6373     struct GraphicInfo *gd = &graphic_info[graphic];
6374     int gd_x1 = gd->src_x;
6375     int gd_y1 = gd->src_y;
6376     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6377     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6378     int gd_x1a = gd->src_x + gd->active_xoffset;
6379     int gd_y1a = gd->src_y + gd->active_yoffset;
6380     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6381     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6382     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6383     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6384
6385     /* determine horizontal position to the right of specified gadget */
6386     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6387       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6388            ED_GADGET_TEXT_DISTANCE);
6389
6390     /* determine horizontal offset for leading text */
6391     if (checkbutton_info[i].text_left != NULL)
6392       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6393
6394     gi = CreateGadget(GDI_CUSTOM_ID, id,
6395                       GDI_CUSTOM_TYPE_ID, i,
6396                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6397                       GDI_X, x,
6398                       GDI_Y, y,
6399                       GDI_WIDTH, gd->width,
6400                       GDI_HEIGHT, gd->height,
6401                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6402                       GDI_CHECKED, *checkbutton_info[i].value,
6403                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6404                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6405                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6406                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6407                       GDI_EVENT_MASK, event_mask,
6408                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6409                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6410                       GDI_END);
6411
6412     if (gi == NULL)
6413       Error(ERR_EXIT, "cannot create gadget");
6414
6415     level_editor_gadget[id] = gi;
6416     right_gadget_border[id] =
6417       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6418   }
6419 }
6420
6421 static void CreateRadiobuttonGadgets()
6422 {
6423   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6424   int gd_x1 = gd->src_x;
6425   int gd_y1 = gd->src_y;
6426   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6427   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6428   int gd_x1a = gd->src_x + gd->active_xoffset;
6429   int gd_y1a = gd->src_y + gd->active_yoffset;
6430   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6431   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6432   struct GadgetInfo *gi;
6433   unsigned int event_mask;
6434   int i;
6435
6436   event_mask = GD_EVENT_PRESSED;
6437
6438   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6439   {
6440     int id = radiobutton_info[i].gadget_id;
6441     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6442     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6443
6444     int checked =
6445       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6446
6447     /* determine horizontal position to the right of specified gadget */
6448     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6449       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6450            ED_GADGET_TEXT_DISTANCE);
6451
6452     /* determine horizontal offset for leading text */
6453     if (radiobutton_info[i].text_left != NULL)
6454       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6455
6456     gi = CreateGadget(GDI_CUSTOM_ID, id,
6457                       GDI_CUSTOM_TYPE_ID, i,
6458                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6459                       GDI_X, x,
6460                       GDI_Y, y,
6461                       GDI_WIDTH, gd->width,
6462                       GDI_HEIGHT, gd->height,
6463                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6464                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6465                       GDI_CHECKED, checked,
6466                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6467                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6468                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6469                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6470                       GDI_EVENT_MASK, event_mask,
6471                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6472                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6473                       GDI_END);
6474
6475     if (gi == NULL)
6476       Error(ERR_EXIT, "cannot create gadget");
6477
6478     level_editor_gadget[id] = gi;
6479     right_gadget_border[id] =
6480       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6481   }
6482 }
6483
6484 void CreateLevelEditorGadgets()
6485 {
6486   /* force EDITOR font inside level editor */
6487   SetFontStatus(GAME_MODE_EDITOR);
6488
6489   /* these values are not constant, but can change at runtime */
6490   ed_fieldx = MAX_ED_FIELDX - 1;
6491   ed_fieldy = MAX_ED_FIELDY - 1;
6492
6493   num_editor_gadgets = NUM_EDITOR_GADGETS;
6494
6495   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6496
6497   level_editor_gadget =
6498     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6499   right_gadget_border =
6500     checked_calloc(num_editor_gadgets * sizeof(int));
6501
6502   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6503   editor_el_empty_ptr = editor_el_empty;
6504
6505   use_permanent_palette = !editor.palette.show_as_separate_screen;
6506
6507   ReinitializeElementList();
6508
6509   CreateControlButtons();
6510   CreateScrollbarGadgets();
6511
6512   /* order of function calls is important because of cross-references */
6513   CreateCheckbuttonGadgets();
6514   CreateCounterButtons();
6515   CreateRadiobuttonGadgets();
6516   CreateTextInputGadgets();
6517   CreateTextAreaGadgets();
6518   CreateSelectboxGadgets();
6519   CreateGraphicbuttonGadgets();
6520   CreateTextbuttonGadgets();
6521   CreateDrawingAreas();
6522
6523   ResetFontStatus();
6524 }
6525
6526 void FreeLevelEditorGadgets()
6527 {
6528   int i;
6529
6530   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6531
6532   for (i = 0; i < num_editor_gadgets; i++)
6533   {
6534     FreeGadget(level_editor_gadget[i]);
6535
6536     level_editor_gadget[i] = NULL;
6537   }
6538
6539   checked_free(level_editor_gadget);
6540   checked_free(right_gadget_border);
6541
6542   checked_free(editor_el_empty);
6543 }
6544
6545 static void MapCounterButtons(int id)
6546 {
6547   int font_nr = FONT_TEXT_1;
6548   int font_height = getFontHeight(font_nr);
6549   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6550   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6551   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6552   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6553   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6554   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6555   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6556   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6557   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6558   int yoffset = (gi_down->height - font_height) / 2;
6559   int x_left = gi_down->x - xoffset_left;
6560   int x_right;  /* set after gadget position was modified */
6561   int y_above = gi_down->y - yoffset_above;
6562   int x = gi_down->x;
6563   int y;        /* set after gadget position was modified */
6564
6565   /* counter limits must be changed first to prevent value truncation */
6566   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6567                             counterbutton_info[id].max_value);
6568
6569   /* right text position might have changed after setting position above */
6570   x_right = gi_up->x + gi_up->width + xoffset_right;
6571
6572   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6573
6574   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6575   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6576       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6577   {
6578     ModifyGadget(gi_down, GDI_Y,
6579                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6580     ModifyGadget(gi_text, GDI_Y,
6581                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6582     ModifyGadget(gi_up,   GDI_Y,
6583                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6584   }
6585
6586   /* vertical position might have changed after setting position above */
6587   y = gi_up->y + yoffset;
6588
6589   if (counterbutton_info[id].text_above)
6590     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
6591
6592   if (counterbutton_info[id].text_left)
6593     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
6594
6595   if (counterbutton_info[id].text_right)
6596     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
6597
6598   MapGadget(gi_down);
6599   MapGadget(gi_text);
6600   MapGadget(gi_up);
6601 }
6602
6603 static void MapControlButtons()
6604 {
6605   int counter_id;
6606   int i;
6607
6608   /* map toolbox buttons (excluding special CE toolbox buttons) */
6609   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6610     MapGadget(level_editor_gadget[i]);
6611
6612   /* map toolbox buttons (element properties buttons) */
6613   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
6614     MapGadget(level_editor_gadget[i]);
6615
6616   if (use_permanent_palette)
6617   {
6618     /* map buttons to select elements */
6619     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6620       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6621     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6622     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6623     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6624   }
6625
6626   /* map buttons to select level */
6627   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6628   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6629   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6630   MapCounterButtons(counter_id);
6631 }
6632
6633 static void MapDrawingArea(int id)
6634 {
6635   int font_nr = FONT_TEXT_1;
6636   int font_height = getFontHeight(font_nr);
6637   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6638   int area_xsize = gi->drawing.area_xsize;
6639   int area_ysize = gi->drawing.area_ysize;
6640   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6641   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
6642   int x_left  = gi->x - xoffset_left;
6643   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6644   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6645   int y_side  = gi->y + (gi->height - font_height) / 2;
6646   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6647
6648   if (drawingarea_info[id].text_left)
6649     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
6650
6651   if (drawingarea_info[id].text_right)
6652     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
6653
6654   if (drawingarea_info[id].text_below)
6655     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
6656
6657   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6658   {
6659     DrawElementBorder(gi->x, gi->y,
6660                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
6661                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
6662
6663     DrawDrawingArea(id);
6664   }
6665
6666   MapGadget(gi);
6667 }
6668
6669 static void MapTextInputGadget(int id)
6670 {
6671   int font_nr = FONT_TEXT_1;
6672   int font_height = getFontHeight(font_nr);
6673   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6674   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6675   int x_above = ED_SETTINGS_X(textinput_info[id].x);
6676   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
6677
6678   if (textinput_info[id].text_above)
6679     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
6680
6681   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6682
6683   MapGadget(gi);
6684 }
6685
6686 static void MapTextAreaGadget(int id)
6687 {
6688   int font_nr = FONT_TEXT_1;
6689   int font_height = getFontHeight(font_nr);
6690   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6691   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6692   int x_above = ED_SETTINGS_X(textarea_info[id].x);
6693   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
6694
6695   if (textarea_info[id].text_above)
6696     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
6697
6698   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6699
6700   MapGadget(gi);
6701 }
6702
6703 static void MapSelectboxGadget(int id)
6704 {
6705   int font_nr = FONT_TEXT_1;
6706   int font_height = getFontHeight(font_nr);
6707   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6708   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6709   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6710   int yoffset = (gi->height - font_height) / 2;
6711   int x_left = gi->x - xoffset_left;
6712   int x_right = gi->x + gi->width + xoffset_right;
6713   int y = gi->y + yoffset;
6714
6715   if (selectbox_info[id].text_left)
6716     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
6717
6718   if (selectbox_info[id].text_right)
6719     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
6720
6721   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6722
6723   MapGadget(gi);
6724 }
6725
6726 static void MapTextbuttonGadget(int id)
6727 {
6728   int font_nr = FONT_TEXT_1;
6729   int font_height = getFontHeight(font_nr);
6730   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6731   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6732   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6733   int yoffset = (gi->height - font_height) / 2;
6734   int x_left = gi->x - xoffset_left;
6735   int x_right = gi->x + gi->width + xoffset_right;
6736   int y = gi->y + yoffset;
6737
6738   /* only show button to delete change pages when more than minimum pages */
6739   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6740       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6741     return;
6742
6743   if (textbutton_info[id].text_left)
6744     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
6745
6746   if (textbutton_info[id].text_right)
6747     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
6748
6749   MapGadget(gi);
6750 }
6751
6752 static void MapGraphicbuttonGadget(int id)
6753 {
6754   int font_nr = FONT_TEXT_1;
6755   int font_height = getFontHeight(font_nr);
6756   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6757   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6758   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6759   int yoffset = (gi->height - font_height) / 2;
6760   int x_left = gi->x - xoffset_left;
6761   int x_right = gi->x + gi->width + xoffset_right;
6762   int y = gi->y + yoffset;
6763
6764   if (graphicbutton_info[id].text_left)
6765     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
6766
6767   if (graphicbutton_info[id].text_right)
6768     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
6769
6770   MapGadget(gi);
6771 }
6772
6773 static void MapRadiobuttonGadget(int id)
6774 {
6775   int font_nr = FONT_TEXT_1;
6776   int font_height = getFontHeight(font_nr);
6777   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6778   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6779   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6780   int yoffset = (gi->height - font_height) / 2;
6781   int x_left = gi->x - xoffset_left;
6782   int x_right = gi->x + gi->width + xoffset_right;
6783   int y = gi->y + yoffset;
6784   boolean checked =
6785     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6786
6787   if (radiobutton_info[id].text_left)
6788     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
6789
6790   if (radiobutton_info[id].text_right)
6791     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
6792
6793   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6794
6795   MapGadget(gi);
6796 }
6797
6798 static void MapCheckbuttonGadget(int id)
6799 {
6800   int font_nr = FONT_TEXT_1;
6801   int font_height = getFontHeight(font_nr);
6802   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6803   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6804   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6805   int yoffset = (gi->height - font_height) / 2;
6806   int x_left, x_right, y;       /* set after gadget position was modified */
6807
6808   /* set position for gadgets with dynamically determined position */
6809   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6810     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
6811   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
6812
6813   x_left = gi->x - xoffset_left;
6814   x_right = gi->x + gi->width + xoffset_right;
6815   y = gi->y + yoffset;
6816
6817   if (checkbutton_info[id].text_left)
6818     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
6819
6820   if (checkbutton_info[id].text_right)
6821     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
6822
6823   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6824
6825   MapGadget(gi);
6826 }
6827
6828 static void MapMainDrawingArea()
6829 {
6830   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6831   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6832   int i;
6833
6834   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6835   {
6836     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6837           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6838          no_horizontal_scrollbar) ||
6839         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6840           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6841          no_vertical_scrollbar))
6842       continue;
6843
6844     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6845   }
6846
6847   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6848   {
6849     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6850         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6851       continue;
6852
6853     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6854   }
6855
6856   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6857 }
6858
6859 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6860 {
6861   int i;
6862
6863   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6864   {
6865     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6866         i == GADGET_ID_CUSTOM_COPY_TO ||
6867         i == GADGET_ID_CUSTOM_EXCHANGE ||
6868         i == GADGET_ID_CUSTOM_COPY ||
6869         i == GADGET_ID_CUSTOM_PASTE)
6870     {
6871       if (map)
6872         MapGadget(level_editor_gadget[i]);
6873       else
6874         UnmapGadget(level_editor_gadget[i]);
6875     }
6876   }
6877 }
6878
6879 static void MapLevelEditorToolboxCustomGadgets()
6880 {
6881   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6882 }
6883
6884 static void UnmapLevelEditorToolboxCustomGadgets()
6885 {
6886   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6887 }
6888
6889 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6890 {
6891   int i;
6892
6893   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6894   {
6895     if (i != GADGET_ID_SINGLE_ITEMS &&
6896         i != GADGET_ID_PICK_ELEMENT)
6897     {
6898       struct GadgetInfo *gi = level_editor_gadget[i];
6899
6900       if (map)
6901       {
6902         MapGadget(gi);
6903       }
6904       else
6905       {
6906         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
6907         struct GraphicInfo *gd = &graphic_info[graphic];
6908
6909         UnmapGadget(gi);
6910
6911         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
6912                    gi->width, gi->height, gi->x, gi->y);
6913
6914         redraw_mask |= REDRAW_DOOR_3;
6915       }
6916     }
6917   }
6918 }
6919
6920 static void MapLevelEditorToolboxDrawingGadgets()
6921 {
6922   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6923 }
6924
6925 static void UnmapLevelEditorToolboxDrawingGadgets()
6926 {
6927   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6928 }
6929
6930 static void UnmapDrawingArea(int id)
6931 {
6932   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6933 }
6934
6935 static void UnmapLevelEditorFieldGadgets()
6936 {
6937   int i;
6938
6939   for (i = 0; i < num_editor_gadgets; i++)
6940     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
6941                           level_editor_gadget[i]->y))
6942       UnmapGadget(level_editor_gadget[i]);
6943 }
6944
6945 void UnmapLevelEditorGadgets()
6946 {
6947   int i;
6948
6949   for (i = 0; i < num_editor_gadgets; i++)
6950     UnmapGadget(level_editor_gadget[i]);
6951 }
6952
6953 static void ResetUndoBuffer()
6954 {
6955   undo_buffer_position = -1;
6956   undo_buffer_steps = -1;
6957   redo_buffer_steps = 0;
6958
6959   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6960
6961   level.changed = FALSE;
6962 }
6963
6964 static void DrawEditModeWindow()
6965 {
6966   ModifyEditorElementList();
6967   RedrawDrawingElements();
6968
6969   if (edit_mode == ED_MODE_INFO)
6970     DrawLevelInfoWindow();
6971   else if (edit_mode == ED_MODE_PROPERTIES)
6972     DrawPropertiesWindow();
6973   else if (edit_mode == ED_MODE_PALETTE)
6974     DrawPaletteWindow();
6975   else  /* edit_mode == ED_MODE_DRAWING */
6976     DrawDrawingWindow();
6977 }
6978
6979 static void ChangeEditModeWindow(int new_edit_mode)
6980 {
6981   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
6982
6983   DrawEditModeWindow();
6984 }
6985
6986 static boolean LevelChanged()
6987 {
6988   boolean field_changed = FALSE;
6989   int x, y;
6990
6991   for (y = 0; y < lev_fieldy; y++)
6992     for (x = 0; x < lev_fieldx; x++)
6993       if (Feld[x][y] != level.field[x][y])
6994         field_changed = TRUE;
6995
6996   return (level.changed || field_changed);
6997 }
6998
6999 static boolean PrepareSavingIntoPersonalLevelSet()
7000 {
7001   static LevelDirTree *last_copied_leveldir = NULL;
7002   static LevelDirTree *last_written_leveldir = NULL;
7003   static int last_copied_level_nr = -1;
7004   static int last_written_level_nr = -1;
7005   LevelDirTree *leveldir_former = leveldir_current;
7006   int level_nr_former = level_nr;
7007   int new_level_nr;
7008
7009   // remember last mod/save so that for current session, we write
7010   // back to the same personal copy, asking only about overwrite.
7011   if (leveldir_current == last_copied_leveldir &&
7012       level_nr == last_copied_level_nr)
7013   {
7014     // "cd" to personal level set dir (as used when writing last copy)
7015     leveldir_current = last_written_leveldir;
7016     level_nr = last_written_level_nr;
7017
7018     return TRUE;
7019   }
7020
7021   if (!Request("This level is read only! "
7022                "Save into personal level set?", REQ_ASK))
7023     return FALSE;
7024
7025   // "cd" to personal level set dir (for writing copy the first time)
7026   leveldir_current =
7027     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7028
7029   // find unused level number
7030   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7031   {
7032     static char *level_filename = NULL;
7033
7034     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7035
7036     if (!fileExists(level_filename))
7037       break;
7038   }
7039
7040   last_copied_leveldir = leveldir_former;
7041   last_copied_level_nr = level_nr_former;
7042
7043   last_written_leveldir = leveldir_current;
7044   last_written_level_nr = level_nr = new_level_nr;
7045
7046   return TRUE;
7047 }
7048
7049 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7050 {
7051   static char *filename_levelinfo = NULL, *mod_name = NULL;
7052   FILE *file;
7053
7054   // annotate this copy-and-mod in personal levelinfo.conf
7055   setString(&filename_levelinfo,
7056             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7057
7058   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7059   {
7060     fprintf(file, "\n");
7061     fprintf(file, "# level %d was modified from:\n", level_nr);
7062     fprintf(file, "# - previous level set name:    %s\n",
7063             former_name);
7064     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7065             level.file_info.nr, level.name);
7066     fprintf(file, "# - previous author:            %s\n",
7067             level.author);
7068     fprintf(file, "# - previous save date:         ");
7069
7070     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7071     {
7072       fprintf(file, "%04d-%02d-%02d\n",
7073               level.creation_date.year,
7074               level.creation_date.month,
7075               level.creation_date.day);
7076     }
7077     else
7078     {
7079       fprintf(file, "not recorded\n");
7080     }
7081
7082     fclose(file);
7083   }
7084
7085   if (level_nr > leveldir_current->last_level)
7086   {
7087     static char *temp_levelinfo = NULL;
7088     FILE *temp_file = NULL;
7089     char line[MAX_LINE_LEN];
7090
7091     setString(&temp_levelinfo,
7092               getPath2(getCurrentLevelDir(),
7093                        getStringCat2(LEVELINFO_FILENAME, ".new")));
7094
7095     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
7096         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
7097     {
7098       while (fgets(line, MAX_LINE_LEN, file))
7099       {
7100         if (!strPrefix(line, "levels:"))
7101           fputs(line, temp_file);
7102         else
7103           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
7104       }
7105     }
7106
7107     if (temp_file)
7108       fclose(temp_file);
7109
7110     if (file)
7111       fclose(file);
7112
7113     // needs error handling; also, ok on dos/win?
7114     unlink(filename_levelinfo);
7115     rename(temp_levelinfo, filename_levelinfo);
7116   }
7117
7118   // else: allow the save even if annotation failed
7119
7120   // now... spray graffiti on the old level vital statistics
7121   // user can change these; just trying to set a good baseline
7122
7123   // don't truncate names for fear of making offensive or silly:
7124   // long-named original author only recorded in levelinfo.conf.
7125   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7126   if (!strEqual(level.author, leveldir_current->author))
7127   {
7128     setString(&mod_name, getStringCat3(leveldir_current->author,
7129                                        " after ", level.author));
7130
7131     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7132       setString(&mod_name,
7133                 getStringCat2(leveldir_current->author, " (ed.)"));
7134
7135     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7136       setString(&mod_name, leveldir_current->author);
7137
7138     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7139
7140     // less worried about truncation here
7141     setString(&mod_name, getStringCat2("Mod: ", level.name));
7142     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7143   }
7144 }
7145
7146 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7147                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7148 {
7149   int x, y;
7150
7151   for (x = 0; x < lev_fieldx; x++)
7152     for (y = 0; y < lev_fieldy; y++)
7153       dst[x][y] = src[x][y];
7154 }
7155
7156 static int setSelectboxValue(int selectbox_id, int new_value)
7157 {
7158   int new_index_value = 0;
7159   int i;
7160
7161   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7162     if (selectbox_info[selectbox_id].options[i].value == new_value)
7163       new_index_value = i;
7164
7165   *selectbox_info[selectbox_id].value =
7166     selectbox_info[selectbox_id].options[new_index_value].value;
7167
7168   return new_index_value;
7169 }
7170
7171 static void setSelectboxSpecialActionVariablesIfNeeded()
7172 {
7173   int i;
7174
7175   /* change action mode and arg variables according to action type variable */
7176   for (i = 0; action_arg_options[i].value != -1; i++)
7177   {
7178     if (action_arg_options[i].value == custom_element_change.action_type)
7179     {
7180       int mode = action_arg_options[i].mode;
7181
7182       /* only change if corresponding selectbox has changed */
7183       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7184           action_arg_modes[mode])
7185         custom_element_change.action_mode = -1;
7186
7187       /* only change if corresponding selectbox has changed */
7188       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7189           action_arg_options[i].options)
7190         custom_element_change.action_arg = -1;
7191
7192       break;
7193     }
7194   }
7195 }
7196
7197 static void setSelectboxSpecialActionOptions()
7198 {
7199   int i;
7200
7201   /* change action mode and arg selectbox according to action type selectbox */
7202   for (i = 0; action_arg_options[i].value != -1; i++)
7203   {
7204     if (action_arg_options[i].value == custom_element_change.action_type)
7205     {
7206       int mode = action_arg_options[i].mode;
7207
7208       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7209                                    action_arg_modes[mode]);
7210       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7211                                  custom_element_change.action_mode);
7212
7213       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7214                                    action_arg_options[i].options);
7215       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7216                                  custom_element_change.action_arg);
7217       break;
7218     }
7219   }
7220 }
7221
7222 static void copy_custom_element_settings(int element_from, int element_to)
7223 {
7224   struct ElementInfo *ei_from = &element_info[element_from];
7225   struct ElementInfo *ei_to = &element_info[element_to];
7226
7227   copyElementInfo(ei_from, ei_to);
7228 }
7229
7230 static void replace_custom_element_in_settings(int element_from,
7231                                                int element_to)
7232 {
7233   int i, j, x, y;
7234
7235   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7236   {
7237     struct ElementInfo *ei = &element_info[i];
7238
7239     for (y = 0; y < 3; y++)
7240       for (x = 0; x < 3; x++)
7241         if (ei->content.e[x][y] == element_from)
7242           ei->content.e[x][y] = element_to;
7243
7244     for (j = 0; j < ei->num_change_pages; j++)
7245     {
7246       struct ElementChangeInfo *change = &ei->change_page[j];
7247
7248       if (change->target_element == element_from)
7249         change->target_element = element_to;
7250
7251       if (change->initial_trigger_element == element_from)
7252         change->initial_trigger_element = element_to;
7253
7254       if (change->action_element == element_from)
7255         change->action_element = element_to;
7256
7257       for (y = 0; y < 3; y++)
7258         for (x = 0; x < 3; x++)
7259           if (change->target_content.e[x][y] == element_from)
7260             change->target_content.e[x][y] = element_to;
7261     }
7262
7263     if (ei->group != NULL)                              /* group or internal */
7264       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7265         if (ei->group->element[j] == element_from)
7266           ei->group->element[j] = element_to;
7267   }
7268 }
7269
7270 static void replace_custom_element_in_playfield(int element_from,
7271                                                 int element_to)
7272 {
7273   int x, y;
7274
7275   for (x = 0; x < lev_fieldx; x++)
7276     for (y = 0; y < lev_fieldy; y++)
7277       if (Feld[x][y] == element_from)
7278         Feld[x][y] = element_to;
7279 }
7280
7281 static boolean CopyCustomElement(int element_old, int element_new,
7282                                  int copy_mode)
7283 {
7284   int copy_mode_orig = copy_mode;
7285
7286   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7287   {
7288     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7289                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7290     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7291   }
7292   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7293   {
7294     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7295                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7296     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7297
7298     level.changed = TRUE;
7299   }
7300   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7301   {
7302     Request("Please choose custom element!", REQ_CONFIRM);
7303
7304     return FALSE;
7305   }
7306   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7307   {
7308     Request("Please choose group element!", REQ_CONFIRM);
7309
7310     return FALSE;
7311   }
7312   else
7313   {
7314     level.changed = TRUE;
7315   }
7316
7317   /* when modifying custom/group element, ask for copying level template */
7318   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7319   {
7320     if (!AskToCopyAndModifyLevelTemplate())
7321       return FALSE;
7322   }
7323
7324   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7325   {
7326     copy_custom_element_settings(element_new, element_old);
7327   }
7328   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7329   {
7330     copy_custom_element_settings(element_old, element_new);
7331   }
7332   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7333   {
7334     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7335     copy_custom_element_settings(element_new, element_old);
7336     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7337
7338     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7339     replace_custom_element_in_settings(element_new, element_old);
7340     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7341
7342     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7343     replace_custom_element_in_playfield(element_new, element_old);
7344     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7345   }
7346
7347   UpdateCustomElementGraphicGadgets();
7348   DrawPropertiesWindow();
7349
7350   return TRUE;
7351 }
7352
7353 static void CopyCustomElementPropertiesToEditor(int element)
7354 {
7355   int i;
7356   int current_change_page = element_info[element].current_change_page;
7357
7358   /* dynamically (re)build selectbox for selecting change page */
7359   for (i = 0; i < element_info[element].num_change_pages; i++)
7360   {
7361     sprintf(options_change_page_strings[i], "%d", i + 1);
7362
7363     options_change_page[i].value = i;
7364     options_change_page[i].text = options_change_page_strings[i];
7365   }
7366
7367   options_change_page[i].value = -1;
7368   options_change_page[i].text = NULL;
7369
7370   /* needed here to initialize combined element properties */
7371   InitElementPropertiesEngine(level.game_version);
7372
7373   element_info[element].change =
7374     &element_info[element].change_page[current_change_page];
7375
7376   custom_element = element_info[element];
7377   custom_element_change = *element_info[element].change;
7378
7379   /* needed to initially set selectbox options for special action options */
7380   setSelectboxSpecialActionOptions();
7381
7382   /* needed to initially set selectbox value variables to reliable defaults */
7383   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7384     setSelectboxValue(i, *selectbox_info[i].value);
7385
7386   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7387     custom_element_properties[i] = HAS_PROPERTY(element, i);
7388
7389   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7390     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7391
7392   /* ---------- element settings: configure (custom elements) ------------- */
7393
7394   /* set accessible layer selectbox help value */
7395   custom_element.access_type =
7396     (IS_WALKABLE(element) ? EP_WALKABLE :
7397      IS_PASSABLE(element) ? EP_PASSABLE :
7398      custom_element.access_type);
7399   custom_element.access_layer =
7400     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7401      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7402      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7403      custom_element.access_layer);
7404   custom_element.access_protected =
7405     (IS_PROTECTED(element) ? 1 : 0);
7406   custom_element_properties[EP_ACCESSIBLE] =
7407     (IS_ACCESSIBLE_OVER(element) ||
7408      IS_ACCESSIBLE_INSIDE(element) ||
7409      IS_ACCESSIBLE_UNDER(element));
7410
7411   /* set walk-to-object action selectbox help value */
7412   custom_element.walk_to_action =
7413     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7414      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7415      IS_DROPPABLE(element) ? EP_DROPPABLE :
7416      IS_THROWABLE(element) ? EP_THROWABLE :
7417      IS_PUSHABLE(element) ? EP_PUSHABLE :
7418      custom_element.walk_to_action);
7419   custom_element_properties[EP_WALK_TO_OBJECT] =
7420     (IS_DIGGABLE(element) ||
7421      IS_COLLECTIBLE_ONLY(element) ||
7422      IS_DROPPABLE(element) ||
7423      IS_THROWABLE(element) ||
7424      IS_PUSHABLE(element));
7425
7426   /* set smash targets selectbox help value */
7427   custom_element.smash_targets =
7428     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7429      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7430      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7431      custom_element.smash_targets);
7432   custom_element_properties[EP_CAN_SMASH] =
7433     (CAN_SMASH_EVERYTHING(element) ||
7434      CAN_SMASH_ENEMIES(element) ||
7435      CAN_SMASH_PLAYER(element));
7436
7437   /* set deadliness selectbox help value */
7438   custom_element.deadliness =
7439     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7440      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7441      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7442      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7443      custom_element.deadliness);
7444   custom_element_properties[EP_DEADLY] =
7445     (DONT_TOUCH(element) ||
7446      DONT_GET_HIT_BY(element) ||
7447      DONT_COLLIDE_WITH(element) ||
7448      DONT_RUN_INTO(element));
7449
7450   /* ---------- element settings: advanced (custom elements) --------------- */
7451
7452   /* set "change by direct action" selectbox help value */
7453   custom_element_change.direct_action =
7454     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7455      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7456      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7457      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7458      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7459      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7460      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7461      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7462      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7463      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7464      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7465      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7466      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7467      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7468      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7469      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7470      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7471      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7472      custom_element_change.direct_action);
7473
7474   /* set "change by other element action" selectbox help value */
7475   custom_element_change.other_action =
7476     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7477      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7478      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7479      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7480      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7481      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7482      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7483      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7484      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7485      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7486      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7487      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7488      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7489      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7490      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7491      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7492      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7493      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7494      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7495      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7496      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7497      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7498      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7499      custom_element_change.other_action);
7500 }
7501
7502 static void CopyGroupElementPropertiesToEditor(int element)
7503 {
7504   group_element_info = *element_info[element].group;
7505   custom_element = element_info[element];       /* needed for description */
7506 }
7507
7508 static void CopyClassicElementPropertiesToEditor(int element)
7509 {
7510   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7511     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7512       getMoveIntoAcidProperty(&level, element);
7513
7514   if (MAYBE_DONT_COLLIDE_WITH(element))
7515     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7516       getDontCollideWithProperty(&level, element);
7517 }
7518
7519 static void CopyElementPropertiesToEditor(int element)
7520 {
7521   if (IS_CUSTOM_ELEMENT(element))
7522     CopyCustomElementPropertiesToEditor(element);
7523   else if (IS_GROUP_ELEMENT(element))
7524     CopyGroupElementPropertiesToEditor(element);
7525   else
7526     CopyClassicElementPropertiesToEditor(element);
7527 }
7528
7529 static boolean AskToCopyAndModifyLevelTemplate()
7530 {
7531   if (Request("Copy and modify level template?", REQ_ASK))
7532   {
7533     level.use_custom_template = FALSE;
7534
7535     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7536                  GDI_CHECKED, FALSE, GDI_END);
7537
7538     return TRUE;
7539   }
7540   else
7541   {
7542     LoadLevelTemplate(-1);      /* this resets all element modifications ... */
7543
7544     DrawEditModeWindow();       /* ... and copies them to 'custom_element' */
7545
7546     return FALSE;
7547   }
7548 }
7549
7550 static void CopyCustomElementPropertiesToGame(int element)
7551 {
7552   int i;
7553   int access_type_and_layer;
7554
7555   /* mark that this custom element has been modified */
7556   custom_element.modified_settings = TRUE;
7557   level.changed = TRUE;
7558
7559   if (level.use_custom_template)
7560     AskToCopyAndModifyLevelTemplate();
7561
7562   element_info[element] = custom_element;
7563   *element_info[element].change = custom_element_change;
7564
7565   /* ---------- element settings: configure (custom elements) ------------- */
7566
7567   /* set accessible property from checkbox and selectbox */
7568   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7569   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7570   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7571   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7572   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7573   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7574   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7575                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7576                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7577   custom_element_properties[access_type_and_layer] =
7578     custom_element_properties[EP_ACCESSIBLE];
7579   custom_element_properties[EP_PROTECTED] =
7580     (custom_element.access_protected != 0 &&
7581      custom_element_properties[EP_ACCESSIBLE]);
7582
7583   /* set walk-to-object property from checkbox and selectbox */
7584   custom_element_properties[EP_DIGGABLE] = FALSE;
7585   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7586   custom_element_properties[EP_DROPPABLE] = FALSE;
7587   custom_element_properties[EP_THROWABLE] = FALSE;
7588   custom_element_properties[EP_PUSHABLE] = FALSE;
7589   custom_element_properties[custom_element.walk_to_action] =
7590     custom_element_properties[EP_WALK_TO_OBJECT];
7591
7592   /* set smash property from checkbox and selectbox */
7593   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7594   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7595   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7596   custom_element_properties[custom_element.smash_targets] =
7597     custom_element_properties[EP_CAN_SMASH];
7598
7599   /* set deadliness property from checkbox and selectbox */
7600   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7601   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7602   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7603   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7604   custom_element_properties[custom_element.deadliness] =
7605     custom_element_properties[EP_DEADLY];
7606
7607   /* ---------- element settings: advanced (custom elements) --------------- */
7608
7609   /* set player change event from checkbox and selectbox */
7610   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7611   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7612   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7613   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7614   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7615   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7616   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7617   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7618   custom_element_change_events[CE_SWITCHED] = FALSE;
7619   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7620   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7621   custom_element_change_events[CE_BLOCKED] = FALSE;
7622   custom_element_change_events[CE_IMPACT] = FALSE;
7623   custom_element_change_events[CE_SMASHED] = FALSE;
7624   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7625   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7626   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7627   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7628   custom_element_change_events[custom_element_change.direct_action] =
7629     custom_element_change_events[CE_BY_DIRECT_ACTION];
7630
7631   /* set other element action change event from checkbox and selectbox */
7632   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7633   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7634   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7635   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7636   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7637   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7638   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7639   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7640   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7641   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7642   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7643   custom_element_change_events[CE_HITTING_X] = FALSE;
7644   custom_element_change_events[CE_DIGGING_X] = FALSE;
7645   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7646   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7647   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7648   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7649   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7650   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7651   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7652   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7653   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7654   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7655   custom_element_change_events[custom_element_change.other_action] =
7656     custom_element_change_events[CE_BY_OTHER_ACTION];
7657
7658   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7659     SET_PROPERTY(element, i, custom_element_properties[i]);
7660
7661   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7662     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7663
7664   /* copy change events also to special level editor variable */
7665   custom_element = element_info[element];
7666   custom_element_change = *element_info[element].change;
7667 }
7668
7669 static void CopyGroupElementPropertiesToGame(int element)
7670 {
7671   /* mark that this group element has been modified */
7672   custom_element.modified_settings = TRUE;
7673   level.changed = TRUE;
7674
7675   if (level.use_custom_template)
7676     AskToCopyAndModifyLevelTemplate();
7677
7678   element_info[element] = custom_element;
7679   *element_info[element].group = group_element_info;
7680 }
7681
7682 static void CopyClassicElementPropertiesToGame(int element)
7683 {
7684   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7685     setMoveIntoAcidProperty(&level, element,
7686                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7687
7688   if (MAYBE_DONT_COLLIDE_WITH(element))
7689     setDontCollideWithProperty(&level, element,
7690                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7691 }
7692
7693 static void CopyElementPropertiesToGame(int element)
7694 {
7695   if (IS_CUSTOM_ELEMENT(element))
7696     CopyCustomElementPropertiesToGame(element);
7697   else if (IS_GROUP_ELEMENT(element))
7698     CopyGroupElementPropertiesToGame(element);
7699   else
7700     CopyClassicElementPropertiesToGame(element);
7701 }
7702
7703 void CheckElementDescriptions()
7704 {
7705   int i;
7706
7707   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7708     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7709       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7710 }
7711
7712 static int getMaxEdFieldX(boolean has_scrollbar)
7713 {
7714   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
7715   int sxsize = SXSIZE - scrollbar_width;
7716   int max_ed_fieldx = sxsize / ed_tilesize;
7717
7718   return max_ed_fieldx;
7719 }
7720
7721 static int getMaxEdFieldY(boolean has_scrollbar)
7722 {
7723   int infotext_height = INFOTEXT_YSIZE_FULL;
7724   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
7725   int sysize = SYSIZE - scrollbar_height - infotext_height;
7726   int max_ed_fieldy = sysize / ed_tilesize;
7727
7728   return max_ed_fieldy;
7729 }
7730
7731 void InitZoomLevelSettings()
7732 {
7733   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
7734   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
7735 }
7736
7737 void DrawLevelEd()
7738 {
7739   int fade_mask = REDRAW_FIELD;
7740
7741   FadeSoundsAndMusic();
7742
7743   if (CheckIfGlobalBorderHasChanged())
7744     fade_mask = REDRAW_ALL;
7745
7746   FadeOut(fade_mask);
7747
7748   /* needed if different viewport properties defined for editor */
7749   ChangeViewportPropertiesIfNeeded();
7750
7751   ClearField();
7752
7753   InitZoomLevelSettings();
7754
7755   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
7756
7757 #if DEBUG
7758   CheckElementDescriptions();
7759 #endif
7760
7761   if (level_editor_test_game)
7762   {
7763     CopyPlayfield(level.field, Feld);
7764     CopyPlayfield(FieldBackup, level.field);
7765
7766     level_editor_test_game = FALSE;
7767   }
7768   else
7769   {
7770     edit_mode = ED_MODE_DRAWING;
7771     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7772     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7773
7774     ResetUndoBuffer();
7775
7776     level_xpos = -1;
7777     level_ypos = -1;
7778   }
7779
7780   /* needed for gadgets drawn on background (like palette scrollbar) */
7781   SetDoorBackgroundImage(IMG_UNDEFINED);
7782
7783   /* copy default editor door content to main double buffer */
7784   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
7785              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
7786              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
7787              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
7788              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
7789              DX, DY);
7790
7791   /* draw bigger door */
7792   DrawSpecialEditorDoor();
7793
7794   /* draw new control window */
7795   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
7796              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
7797              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
7798              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
7799              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
7800              EX, EY);
7801
7802   // redraw_mask |= REDRAW_ALL;
7803
7804   FreeLevelEditorGadgets();
7805   CreateLevelEditorGadgets();
7806
7807   ReinitializeElementList();            /* update dynamic level element list */
7808   ReinitializeElementListButtons();     /* custom element may look different */
7809
7810   InitElementPropertiesGfxElement();
7811
7812   UnmapAllGadgets();
7813   MapControlButtons();
7814
7815   DrawEditModeWindow();
7816
7817   DrawMaskedBorder(fade_mask);
7818
7819   FadeIn(fade_mask);
7820
7821   /* copy actual editor door content to door double buffer for OpenDoor() */
7822   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
7823 }
7824
7825 static void AdjustDrawingAreaGadgets()
7826 {
7827   int ed_xsize = lev_fieldx + 2;
7828   int ed_ysize = lev_fieldy + 2;
7829   int max_ed_fieldx = MAX_ED_FIELDX;
7830   int max_ed_fieldy = MAX_ED_FIELDY;
7831   boolean horizontal_scrollbar_needed;
7832   boolean vertical_scrollbar_needed;
7833   int x, y, width, height;
7834
7835   /* check if we need any scrollbars */
7836   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7837   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7838
7839   /* check if we have a smaller editor field because of scrollbars */
7840   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7841   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7842
7843   /* check again if we now need more scrollbars because of less space */
7844   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7845   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7846
7847   /* check if editor field gets even smaller after adding new scrollbars */
7848   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7849   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7850
7851   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
7852   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
7853
7854   x = SX + ed_fieldx * ed_tilesize;
7855   y = SY + ed_fieldy * ed_tilesize;
7856
7857   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
7858   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
7859
7860   /* adjust drawing area gadget */
7861   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7862                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7863                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
7864                GDI_END);
7865
7866   /* adjust horizontal scrollbar gadgets */
7867   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
7868                GDI_Y, y,
7869                GDI_END);
7870   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
7871                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
7872                GDI_Y, y,
7873                GDI_END);
7874   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7875                GDI_Y, y,
7876                GDI_WIDTH, width,
7877                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7878                GDI_END);
7879
7880   /* adjust vertical scrollbar gadgets */
7881   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
7882                GDI_X, x,
7883                GDI_END);
7884   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
7885                GDI_X, x,
7886                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
7887                GDI_END);
7888   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7889                GDI_X, x,
7890                GDI_HEIGHT, height,
7891                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7892                GDI_END);
7893 }
7894
7895 static void AdjustLevelScrollPosition()
7896 {
7897   if (level_xpos < -1)
7898     level_xpos = -1;
7899   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7900     level_xpos = lev_fieldx - ed_fieldx + 1;
7901   if (lev_fieldx < ed_fieldx - 2)
7902     level_xpos = -1;
7903
7904   if (level_ypos < -1)
7905     level_ypos = -1;
7906   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7907     level_ypos = lev_fieldy - ed_fieldy + 1;
7908   if (lev_fieldy < ed_fieldy - 2)
7909     level_ypos = -1;
7910 }
7911
7912 static void AdjustEditorScrollbar(int id)
7913 {
7914   struct GadgetInfo *gi = level_editor_gadget[id];
7915   int items_max, items_visible, item_position;
7916
7917   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7918   {
7919     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7920     items_visible = ed_fieldx;
7921     item_position = level_xpos + 1;
7922   }
7923   else
7924   {
7925     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7926     items_visible = ed_fieldy;
7927     item_position = level_ypos + 1;
7928   }
7929
7930   if (item_position > items_max - items_visible)
7931     item_position = items_max - items_visible;
7932
7933   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7934                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7935 }
7936
7937 static void AdjustElementListScrollbar()
7938 {
7939   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7940   int items_max, items_visible, item_position;
7941
7942   /* correct position of element list scrollbar */
7943   if (element_shift < 0)
7944     element_shift = 0;
7945   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7946     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7947
7948   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7949   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7950   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7951
7952   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7953                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7954                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7955 }
7956
7957 static void ModifyEditorCounterValue(int counter_id, int new_value)
7958 {
7959   int *counter_value = counterbutton_info[counter_id].value;
7960   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7961   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7962
7963   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7964
7965   if (counter_value != NULL)
7966     *counter_value = gi->textinput.number_value;
7967 }
7968
7969 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7970 {
7971   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7972   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7973
7974   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7975
7976   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7977       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7978   {
7979     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7980     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7981
7982     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7983     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
7984                  GDI_END);
7985   }
7986 }
7987
7988 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7989 {
7990   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7991   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7992   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7993
7994   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7995 }
7996
7997 static void ModifyEditorSelectboxOptions(int selectbox_id,
7998                                          struct ValueTextInfo *options)
7999 {
8000   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8001   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8002
8003   selectbox_info[selectbox_id].options = options;
8004
8005   /* set index to zero -- list may be shorter now (correct later, if needed) */
8006   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8007                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8008 }
8009
8010 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8011 {
8012   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8013   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8014
8015   drawingarea_info[drawingarea_id].area_xsize = xsize;
8016   drawingarea_info[drawingarea_id].area_ysize = ysize;
8017
8018   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8019 }
8020
8021 static void ModifyEditorElementList()
8022 {
8023   int i;
8024
8025   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8026     return;
8027
8028   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8029   {
8030     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8031     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8032     struct GadgetDesign *gd = &gi->deco.design;
8033     int element = editor_elements[element_shift + i];
8034     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8035
8036     UnmapGadget(gi);
8037
8038     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8039
8040     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8041
8042     MapGadget(gi);
8043   }
8044 }
8045
8046 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8047 {
8048   int graphic = el2edimg(element);
8049   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8050
8051   if (pos->x == -1 &&
8052       pos->y == -1)
8053     return;
8054
8055   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8056 }
8057
8058 static void ModifyDrawingElementButton(int element, int id)
8059 {
8060   struct GadgetInfo *gi = level_editor_gadget[id];
8061   Bitmap *deco_bitmap;
8062   int deco_x, deco_y;
8063   int tile_size = gi->deco.width;
8064
8065   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8066
8067   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8068 }
8069
8070 static void PickDrawingElement(int button, int element)
8071 {
8072   struct
8073   {
8074     int *new_element;
8075     struct XYTileSize *pos;
8076     int id;
8077   } de, drawing_elements[] =
8078   {
8079     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8080     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8081     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8082   };
8083
8084   if (button < 1 || button > 3)
8085     return;
8086
8087   de = drawing_elements[button - 1];
8088
8089   *de.new_element = element;    // update global drawing element variable
8090
8091   DrawDrawingElementGraphic(element, de.pos);
8092   ModifyDrawingElementButton(element, de.id);
8093
8094   redraw_mask |= REDRAW_DOOR_1;
8095 }
8096
8097 static void RedrawDrawingElements()
8098 {
8099   PickDrawingElement(1, new_element1);
8100   PickDrawingElement(2, new_element2);
8101   PickDrawingElement(3, new_element3);
8102 }
8103
8104 static void DrawDrawingWindow()
8105 {
8106   stick_element_properties_window = FALSE;
8107
8108   SetMainBackgroundImage(IMG_UNDEFINED);
8109   ClearField();
8110
8111   UnmapLevelEditorFieldGadgets();
8112   UnmapLevelEditorToolboxCustomGadgets();
8113
8114   AdjustDrawingAreaGadgets();
8115   AdjustLevelScrollPosition();
8116   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8117   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8118
8119   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8120
8121   MapMainDrawingArea();
8122   MapLevelEditorToolboxDrawingGadgets();
8123 }
8124
8125 static int getTabulatorBarWidth()
8126 {
8127   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8128   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8129
8130   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8131 }
8132
8133 static int getTabulatorBarHeight()
8134 {
8135   return ED_TAB_BAR_HEIGHT;
8136 }
8137
8138 static void DrawLevelInfoTabulatorGadgets()
8139 {
8140   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8141   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8142   int gd_x = gd->x + gd_gi1->border.width / 2;
8143   int gd_y = gd->y + gd_gi1->height - 1;
8144   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8145   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
8146   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
8147   int i;
8148
8149   for (i = id_first; i <= id_last; i++)
8150   {
8151     int gadget_id = textbutton_info[i].gadget_id;
8152     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8153     boolean active = (i != edit_mode_levelinfo);
8154
8155     /* draw background line below tabulator button */
8156     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8157
8158     /* draw solid line below inactive tabulator buttons */
8159     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8160       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8161                     ED_GADGET_TINY_DISTANCE, tab_color);
8162
8163     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8164     MapTextbuttonGadget(i);
8165   }
8166
8167   /* draw little border line below tabulator buttons */
8168   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8169     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8170                   ED_GADGET_TINY_DISTANCE,
8171                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8172 }
8173
8174 static void DrawPropertiesTabulatorGadgets()
8175 {
8176   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8177   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8178   int gd_x = gd->x + gd_gi1->border.width / 2;
8179   int gd_y = gd->y + gd_gi1->height - 1;
8180   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8181   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8182   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8183   int i;
8184
8185   /* draw two config tabulators for player elements */
8186   if (ELEM_IS_PLAYER(properties_element))
8187     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8188
8189   /* draw two config and one "change" tabulator for custom elements */
8190   if (IS_CUSTOM_ELEMENT(properties_element))
8191     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8192
8193   for (i = id_first; i <= id_last; i++)
8194   {
8195     int gadget_id = textbutton_info[i].gadget_id;
8196     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8197     boolean active = (i != edit_mode_properties);
8198
8199     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8200     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8201         (ELEM_IS_PLAYER(properties_element) ||
8202          IS_CUSTOM_ELEMENT(properties_element)))
8203       continue;
8204
8205     /* draw background line below tabulator button */
8206     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8207
8208     /* draw solid line below inactive tabulator buttons */
8209     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8210       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8211                     ED_GADGET_TINY_DISTANCE, tab_color);
8212
8213     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8214     MapTextbuttonGadget(i);
8215   }
8216
8217   /* draw little border line below tabulator buttons */
8218   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8219     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8220                   ED_GADGET_TINY_DISTANCE,
8221                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8222 }
8223
8224 static void DrawLevelInfoLevel()
8225 {
8226   int i;
8227
8228   /* draw counter gadgets */
8229   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8230     MapCounterButtons(i);
8231
8232   /* draw selectbox gadgets */
8233   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8234     MapSelectboxGadget(i);
8235
8236   /* draw text input gadgets */
8237   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8238     MapTextInputGadget(i);
8239 }
8240
8241 static void DrawLevelInfoEditor()
8242 {
8243   int i;
8244
8245   /* draw counter gadgets */
8246   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8247     MapCounterButtons(i);
8248
8249   /* draw checkbutton gadgets */
8250   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8251     MapCheckbuttonGadget(i);
8252
8253   /* draw radiobutton gadgets */
8254   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
8255     MapRadiobuttonGadget(i);
8256
8257   /* draw drawing area */
8258   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
8259 }
8260
8261 static void DrawLevelInfoWindow()
8262 {
8263   char *text = "Global Settings";
8264   int font_nr = FONT_TITLE_1;
8265   struct MenuPosInfo *pos = &editor.settings.headline;
8266   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
8267   int sy = SY + pos->y;
8268
8269   stick_element_properties_window = FALSE;
8270
8271   UnmapLevelEditorFieldGadgets();
8272
8273   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8274   ClearField();
8275
8276   DrawText(sx, sy, text, font_nr);
8277
8278   DrawLevelInfoTabulatorGadgets();
8279
8280   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
8281     DrawLevelInfoLevel();
8282   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
8283     DrawLevelInfoEditor();
8284 }
8285
8286 static void DrawCustomContentArea()
8287 {
8288   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
8289   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8290   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
8291   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
8292   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
8293   int xoffset = ED_GADGET_SPACE_DISTANCE;
8294
8295   /* add distance for potential left text (without drawing area border) */
8296   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
8297
8298   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8299
8300   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
8301 }
8302
8303 static void DrawCustomChangeContentArea()
8304 {
8305   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
8306   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8307   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
8308   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
8309   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
8310   int xoffset = ED_GADGET_SPACE_DISTANCE;
8311
8312   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8313
8314   MapDrawingArea(id);
8315 }
8316
8317 static void RemoveElementContentArea(int id, int font_height)
8318 {
8319   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8320
8321   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
8322                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
8323                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8324                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
8325                  ED_GADGET_TEXT_DISTANCE + font_height);
8326 }
8327
8328 static void DrawYamYamContentAreas()
8329 {
8330   int font_nr = FONT_TEXT_1;
8331   int font_height = getFontHeight(font_nr);
8332   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8333   int yoffset = (tilesize - font_height) / 2;
8334   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
8335   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
8336   int i;
8337
8338   /* display counter to choose number of element content areas */
8339   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8340
8341   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8342   {
8343     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8344
8345     if (i < level.num_yamyam_contents)
8346     {
8347       MapDrawingArea(id);
8348     }
8349     else
8350     {
8351       UnmapDrawingArea(id);
8352
8353       /* delete content areas in case of reducing number of them */
8354       RemoveElementContentArea(id, font_height);
8355     }
8356   }
8357
8358   DrawText(x, y + 0 * tilesize, "content", font_nr);
8359   DrawText(x, y + 1 * tilesize, "when",    font_nr);
8360   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
8361 }
8362
8363 static void DrawMagicBallContentAreas()
8364 {
8365   int font_nr = FONT_TEXT_1;
8366   int font_height = getFontHeight(font_nr);
8367   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8368   int yoffset = (tilesize - font_height) / 2;
8369   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
8370   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
8371   int i;
8372
8373   /* display counter to choose number of element content areas */
8374   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8375
8376   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8377   {
8378     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8379
8380     if (i < level.num_ball_contents)
8381     {
8382       MapDrawingArea(id);
8383     }
8384     else
8385     {
8386       UnmapDrawingArea(id);
8387
8388       /* delete content areas in case of reducing number of them */
8389       RemoveElementContentArea(id, font_height);
8390     }
8391   }
8392
8393   DrawText(x, y + 0 * tilesize, "generated", font_nr);
8394   DrawText(x, y + 1 * tilesize, "when",      font_nr);
8395   DrawText(x, y + 2 * tilesize, "active",    font_nr);
8396 }
8397
8398 static void DrawAndroidElementArea(int element)
8399 {
8400   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8401   int num_elements = level.num_android_clone_elements;
8402   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8403   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8404   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8405   int xsize = MAX_ANDROID_ELEMENTS;
8406   int ysize = 1;
8407
8408   /* display counter to choose number of element areas */
8409   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8410
8411   if (drawingarea_info[id].text_left != NULL)
8412     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8413
8414   UnmapDrawingArea(id);
8415
8416   ModifyEditorDrawingArea(id, num_elements, 1);
8417
8418   /* delete content areas in case of reducing number of them */
8419   DrawBackground(sx, sy,
8420                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8421                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8422
8423   MapDrawingArea(id);
8424 }
8425
8426 static void DrawGroupElementArea(int element)
8427 {
8428   int id = ED_DRAWING_ID_GROUP_CONTENT;
8429   int num_elements = group_element_info.num_elements;
8430   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8431   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8432   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8433   int xsize = MAX_ELEMENTS_IN_GROUP;
8434   int ysize = 1;
8435
8436   if (drawingarea_info[id].text_left != NULL)
8437     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8438
8439   UnmapDrawingArea(id);
8440
8441   ModifyEditorDrawingArea(id, num_elements, 1);
8442
8443   /* delete content areas in case of reducing number of them */
8444   DrawBackground(sx, sy,
8445                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8446                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8447
8448   MapDrawingArea(id);
8449 }
8450
8451 static void DrawPlayerInitialInventoryArea(int element)
8452 {
8453   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8454   int player_nr = GET_PLAYER_NR(element);
8455   int num_elements = level.initial_inventory_size[player_nr];
8456   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8457   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8458   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8459   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8460   int ysize = 1;
8461
8462   /* determine horizontal position to the right of specified gadget */
8463   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8464     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8465           ED_DRAWINGAREA_TEXT_DISTANCE);
8466
8467   /* determine horizontal offset for leading text */
8468   if (drawingarea_info[id].text_left != NULL)
8469     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8470
8471   UnmapDrawingArea(id);
8472
8473   ModifyEditorDrawingArea(id, num_elements, 1);
8474
8475   /* delete content areas in case of reducing number of them */
8476   DrawBackground(sx, sy,
8477                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8478                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8479
8480   MapDrawingArea(id);
8481 }
8482
8483 static void DrawEnvelopeTextArea(int envelope_nr)
8484 {
8485   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8486   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8487
8488   UnmapGadget(gi);
8489   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8490
8491   if (envelope_nr != -1)
8492     textarea_info[id].value = level.envelope[envelope_nr].text;
8493
8494   ModifyGadget(gi, GDI_AREA_SIZE,
8495                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8496                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8497                GDI_END);
8498
8499   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8500 }
8501
8502 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8503 {
8504   int font_height = getFontHeight(font_nr);
8505   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8506   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8507   int sx = SX + pad_x;
8508   int sy = SY + pad_y;
8509   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8510
8511   if (start_line >= max_lines_per_screen)
8512     return FALSE;
8513
8514   DrawText(sx, sy + start_line * font_height, text, font_nr);
8515
8516   return TRUE;
8517 }
8518
8519 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8520 {
8521   int font_nr = FONT_TEXT_2;
8522   int font_width = getFontWidth(font_nr);
8523   int font_height = getFontHeight(font_nr);
8524   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8525   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8526   int sx = SX + pad_x;
8527   int sy = SY + pad_y + start_line * font_height;
8528   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8529   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8530   int max_lines_drawable = max_lines_per_screen - start_line;
8531
8532   if (start_line >= max_lines_per_screen)
8533     return FALSE;
8534
8535   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8536                       max_lines_drawable, 0, -1, TRUE, FALSE, FALSE);
8537 }
8538
8539 static void DrawPropertiesInfo()
8540 {
8541   static struct
8542   {
8543     int value;
8544     char *text;
8545   }
8546   properties[] =
8547   {
8548     /* configurable properties */
8549
8550     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8551     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8552     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8553     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8554     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8555     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8556     { EP_PROTECTED,             "- player is protected by it"           },
8557
8558     { EP_DIGGABLE,              "- can be digged away"                  },
8559     { EP_COLLECTIBLE,           "- can be collected"                    },
8560     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8561     { EP_THROWABLE,             "- can be thrown after collecting"      },
8562     { EP_PUSHABLE,              "- can be pushed"                       },
8563
8564     { EP_CAN_FALL,              "- can fall"                            },
8565     { EP_CAN_MOVE,              "- can move"                            },
8566
8567     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8568 #if 0
8569     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8570 #endif
8571     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8572
8573     { EP_SLIPPERY,              "- slippery for falling elements"       },
8574     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8575
8576     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8577     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8578     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8579     { EP_DONT_TOUCH,            "- deadly when touching"                },
8580
8581     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8582
8583     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8584     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8585     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8586
8587     { EP_CAN_CHANGE,            "- can change to other element"         },
8588
8589     /* pre-defined properties */
8590     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8591     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8592     { EP_SWITCHABLE,            "- can be switched"                     },
8593 #if 0
8594     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8595 #endif
8596
8597     { -1,                       NULL                                    }
8598   };
8599   char *filename = getElementDescriptionFilename(properties_element);
8600   char *percentage_text = "In this level: ";
8601   char *properties_text = "Standard properties: ";
8602   float percentage;
8603   int num_elements_in_level;
8604   int num_standard_properties = 0;
8605   int font1_nr = FONT_TEXT_1;
8606   int font2_nr = FONT_TEXT_2;
8607   int font1_width = getFontWidth(font1_nr);
8608   int font2_height = getFontHeight(font2_nr);
8609   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8610   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8611   int screen_line = 0;
8612   int i, x, y;
8613
8614   if (setup.editor.show_element_token)
8615   {
8616     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8617               "[%s]", element_info[properties_element].token_name);
8618     screen_line++;
8619   }
8620
8621   /* ----- print number of elements / percentage of this element in level */
8622
8623   num_elements_in_level = 0;
8624   for (y = 0; y < lev_fieldy; y++)
8625     for (x = 0; x < lev_fieldx; x++)
8626       if (Feld[x][y] == properties_element)
8627         num_elements_in_level++;
8628   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8629
8630   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8631             percentage_text);
8632   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8633             pad_y + screen_line++ * font2_height, font2_nr,
8634             "%d (%.2f%%)", num_elements_in_level, percentage);
8635
8636   screen_line++;
8637
8638   /* ----- print standard properties of this element */
8639
8640   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8641             properties_text);
8642
8643   for (i = 0; properties[i].value != -1; i++)
8644   {
8645     if (!HAS_PROPERTY(properties_element, properties[i].value))
8646       continue;
8647
8648     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8649               properties[i].text);
8650     num_standard_properties++;
8651   }
8652
8653   if (num_standard_properties == 0)
8654     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8655               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8656
8657   screen_line++;
8658
8659   /* ----- print special description of this element */
8660
8661   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8662   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8663     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8664 }
8665
8666 #define TEXT_COLLECTING         "Score for collecting"
8667 #define TEXT_SMASHING           "Score for smashing"
8668 #define TEXT_SLURPING           "Score for slurping robot"
8669 #define TEXT_CRACKING           "Score for cracking"
8670 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8671 #define TEXT_DURATION           "Duration when activated"
8672 #define TEXT_BALL_DELAY         "Element generation delay"
8673 #define TEXT_MOVE_SPEED         "Speed of android moving"
8674 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8675 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8676 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8677 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8678 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8679 #define TEXT_TIME_BONUS         "Extra time to solve level"
8680
8681 static struct
8682 {
8683   int element;
8684   int *value;
8685   char *text;
8686 } elements_with_counter[] =
8687 {
8688   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8689   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8690   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8691   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8692   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8693   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8694   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8695   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8696   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8697   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8698   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8699   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8700   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8701   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8702   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8703   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8704   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8705   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8706   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8707   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8708   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8709   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8710   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8711   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8712   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8713   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8714   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8715   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8716   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8717   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8718   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8719   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8720   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8721   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8722   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8723   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8724   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8725   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8726   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8727   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8728   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8729   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8730   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8731   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8732   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8733   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8734   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8735   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8736   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8737   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8738   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8739   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8740   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8741   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8742   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8743   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8744   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8745   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8746   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8747   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8748   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8749   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8750   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8751   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8752   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8753   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8754   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8755   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8756   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8757   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8758   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8759   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8760   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8761   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8762
8763   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8764   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8765   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8766   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8767   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8768   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8769   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8770   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8771   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8772   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8773   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8774   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8775   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8776   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8777   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8778   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8779
8780   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8781   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8782   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8783   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8784   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8785   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8786   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8787   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8788
8789   { -1,                 NULL,                           NULL            }
8790 };
8791
8792 static boolean checkPropertiesConfig(int element)
8793 {
8794   int i;
8795
8796   if (IS_GEM(element) ||
8797       IS_CUSTOM_ELEMENT(element) ||
8798       IS_GROUP_ELEMENT(element) ||
8799       IS_ENVELOPE(element) ||
8800       ELEM_IS_PLAYER(element) ||
8801       HAS_EDITOR_CONTENT(element) ||
8802       CAN_GROW(element) ||
8803       COULD_MOVE_INTO_ACID(element) ||
8804       MAYBE_DONT_COLLIDE_WITH(element) ||
8805       element == EL_SOKOBAN_OBJECT ||
8806       element == EL_SOKOBAN_FIELD_EMPTY ||
8807       element == EL_SOKOBAN_FIELD_FULL)
8808     return TRUE;
8809   else
8810     for (i = 0; elements_with_counter[i].element != -1; i++)
8811       if (elements_with_counter[i].element == element)
8812         return TRUE;
8813
8814   return FALSE;
8815 }
8816
8817 static void DrawPropertiesConfig()
8818 {
8819   boolean draw_footer_line = FALSE;
8820   int max_num_element_counters = 4;
8821   int num_element_counters = 0;
8822   int i;
8823
8824   if (!checkPropertiesConfig(properties_element))
8825   {
8826     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8827
8828     return;
8829   }
8830
8831   /* check if there are elements where a value can be chosen for */
8832   for (i = 0; elements_with_counter[i].element != -1; i++)
8833   {
8834     if (elements_with_counter[i].element == properties_element)
8835     {
8836       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8837
8838       counterbutton_info[counter_id].y =
8839         ED_ELEMENT_SETTINGS_YPOS(
8840                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8841                 (CAN_GROW(properties_element)                ? 1 : 0) +
8842                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8843                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8844                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8845                 num_element_counters);
8846
8847       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8848       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8849
8850       if (properties_element == EL_GAME_OF_LIFE ||
8851           properties_element == EL_BIOMAZE)
8852       {
8853         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8854         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8855       }
8856       else
8857       {
8858         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8859         counterbutton_info[counter_id].min_value = MIN_SCORE;
8860         counterbutton_info[counter_id].max_value = MAX_SCORE;
8861       }
8862
8863       MapCounterButtons(counter_id);
8864
8865       num_element_counters++;
8866       if (num_element_counters >= max_num_element_counters)
8867         break;
8868     }
8869   }
8870
8871   if (HAS_EDITOR_CONTENT(properties_element))
8872   {
8873     /* draw stickybutton gadget */
8874     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8875
8876     if (IS_AMOEBOID(properties_element))
8877       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8878     else if (properties_element == EL_YAMYAM ||
8879              properties_element == EL_YAMYAM_LEFT ||
8880              properties_element == EL_YAMYAM_RIGHT ||
8881              properties_element == EL_YAMYAM_UP ||
8882              properties_element == EL_YAMYAM_DOWN)
8883       DrawYamYamContentAreas();
8884     else if (properties_element == EL_EMC_MAGIC_BALL)
8885     {
8886       DrawMagicBallContentAreas();
8887
8888       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8889       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8890     }
8891     else if (properties_element == EL_EMC_ANDROID)
8892       DrawAndroidElementArea(properties_element);
8893   }
8894
8895   if (ELEM_IS_PLAYER(properties_element))
8896   {
8897     int player_nr = GET_PLAYER_NR(properties_element);
8898
8899     /* these properties can be set for every player individually */
8900
8901     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8902     {
8903       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8904         &level.start_element[player_nr];
8905       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8906         &level.artwork_element[player_nr];
8907       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8908         &level.explosion_element[player_nr];
8909
8910       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8911         &level.use_start_element[player_nr];
8912       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8913         &level.use_artwork_element[player_nr];
8914       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8915         &level.use_explosion_element[player_nr];
8916       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8917         &level.initial_player_gravity[player_nr];
8918
8919       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8920         &level.initial_player_stepsize[player_nr];
8921
8922       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8923       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8924                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8925                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8926       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8927       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8928       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8929       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8930       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
8931       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8932       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8933       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8934       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8935       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8936
8937       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8938       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8939       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8940
8941       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8942     }
8943     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8944     {
8945       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8946         &level.initial_inventory_content[player_nr][0];
8947
8948       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8949         &level.initial_inventory_size[player_nr];
8950
8951       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8952         &level.use_initial_inventory[player_nr];
8953
8954       /* draw checkbutton gadgets */
8955       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8956
8957       /* draw counter gadgets */
8958       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8959
8960       /* draw drawing area gadgets */
8961       DrawPlayerInitialInventoryArea(properties_element);
8962     }
8963   }
8964
8965   if (IS_GEM(properties_element))
8966     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8967
8968   if (properties_element == EL_EM_DYNAMITE)
8969     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8970
8971   if (COULD_MOVE_INTO_ACID(properties_element) &&
8972       !ELEM_IS_PLAYER(properties_element) &&
8973       (!IS_CUSTOM_ELEMENT(properties_element) ||
8974        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8975   {
8976     /* set position for checkbutton for "can move into acid" */
8977     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8978       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8979     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8980       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8981                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8982
8983     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8984   }
8985
8986   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8987     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8988
8989   if (properties_element == EL_SPRING)
8990     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8991
8992   if (properties_element == EL_TIME_ORB_FULL)
8993     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8994
8995   if (CAN_GROW(properties_element))
8996   {
8997     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8998       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8999
9000     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9001   }
9002
9003   if (properties_element == EL_SOKOBAN_OBJECT ||
9004       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9005       properties_element == EL_SOKOBAN_FIELD_FULL)
9006     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9007
9008   if (IS_ENVELOPE(properties_element))
9009   {
9010     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9011     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9012     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9013     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9014     int envelope_nr = properties_element - EL_ENVELOPE_1;
9015
9016     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9017     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9018
9019     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9020     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9021
9022     /* display counter to choose size of envelope text area */
9023     MapCounterButtons(counter1_id);
9024     MapCounterButtons(counter2_id);
9025
9026     /* display checkbuttons to choose auto-wrap and alignment properties */
9027     MapCheckbuttonGadget(button1_id);
9028     MapCheckbuttonGadget(button2_id);
9029
9030     DrawEnvelopeTextArea(envelope_nr);
9031   }
9032
9033   if (IS_CUSTOM_ELEMENT(properties_element))
9034   {
9035     /* draw stickybutton gadget */
9036     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9037
9038     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9039     {
9040       /* draw checkbutton gadgets */
9041       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
9042            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
9043         MapCheckbuttonGadget(i);
9044
9045       /* draw counter gadgets */
9046       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
9047            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
9048         MapCounterButtons(i);
9049
9050       /* draw selectbox gadgets */
9051       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
9052            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
9053         MapSelectboxGadget(i);
9054
9055       /* draw textbutton gadgets */
9056       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
9057
9058       /* draw text input gadgets */
9059       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9060
9061       /* draw drawing area gadgets */
9062       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9063
9064       draw_footer_line = TRUE;
9065     }
9066     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9067     {
9068       /* draw checkbutton gadgets */
9069       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
9070            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
9071         MapCheckbuttonGadget(i);
9072
9073       /* draw counter gadgets */
9074       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
9075            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
9076         MapCounterButtons(i);
9077
9078       /* draw selectbox gadgets */
9079       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
9080            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
9081         MapSelectboxGadget(i);
9082
9083       /* draw drawing area gadgets */
9084       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
9085       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
9086       DrawCustomContentArea();
9087     }
9088   }
9089   else if (IS_GROUP_ELEMENT(properties_element))
9090   {
9091     /* draw stickybutton gadget */
9092     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9093
9094     /* draw checkbutton gadgets */
9095     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
9096     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
9097
9098     /* draw counter gadgets */
9099     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
9100
9101     /* draw selectbox gadgets */
9102     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
9103
9104     /* draw textbutton gadgets */
9105     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
9106
9107     /* draw drawing area gadgets */
9108     DrawGroupElementArea(properties_element);
9109
9110     /* draw text input gadgets */
9111     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9112
9113     /* draw drawing area gadgets */
9114     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9115
9116     draw_footer_line = TRUE;
9117   }
9118
9119   /* draw little footer border line above CE/GE use/save template gadgets */
9120   if (draw_footer_line)
9121   {
9122     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9123     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9124     int gd_x = gd->x + gd_gi1->border.width / 2;
9125     int gd_y = gd->y + gd_gi1->height - 1;
9126     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9127
9128     if (tab_color != BLACK_PIXEL)               /* black => transparent */
9129       FillRectangle(drawto,
9130                     SX + ED_ELEMENT_SETTINGS_X(0),
9131                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
9132                     ED_TAB_BAR_HEIGHT,
9133                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9134   }
9135 }
9136
9137 static void DrawPropertiesChangeDrawingAreas()
9138 {
9139   if (IS_CUSTOM_ELEMENT(properties_element))
9140   {
9141     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
9142     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
9143     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
9144
9145     DrawCustomChangeContentArea();
9146   }
9147
9148   redraw_mask |= REDRAW_FIELD;
9149 }
9150
9151 static void DrawPropertiesChange()
9152 {
9153   int i;
9154
9155   /* needed to initially set selectbox options for special action options */
9156   setSelectboxSpecialActionOptions();
9157
9158   /* draw stickybutton gadget */
9159   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9160
9161   /* draw checkbutton gadgets */
9162   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
9163        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
9164     MapCheckbuttonGadget(i);
9165
9166   /* draw counter gadgets */
9167   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
9168        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
9169     MapCounterButtons(i);
9170
9171   /* draw selectbox gadgets */
9172   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
9173        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
9174     MapSelectboxGadget(i);
9175
9176   /* draw textbutton gadgets */
9177   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
9178        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
9179     MapTextbuttonGadget(i);
9180
9181   /* draw graphicbutton gadgets */
9182   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
9183        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
9184     MapGraphicbuttonGadget(i);
9185
9186   /* draw drawing area gadgets */
9187   DrawPropertiesChangeDrawingAreas();
9188 }
9189
9190 static void DrawEditorElementAnimation(int x, int y)
9191 {
9192   int graphic = el2img(properties_element);
9193   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
9194                custom_element.ce_value_fixed_initial :
9195                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
9196                custom_element.collect_score_initial : FrameCounter);
9197
9198   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
9199 }
9200
9201 static void DrawEditorElementName(int x, int y, int font_nr)
9202 {
9203   char *element_name = getElementInfoText(properties_element);
9204   int font_width = getFontWidth(font_nr);
9205   int font_height = getFontHeight(font_nr);
9206   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
9207   int max_chars_per_line = max_text_width / font_width;
9208   char buffer[max_chars_per_line + 1];
9209
9210   if (strlen(element_name) <= max_chars_per_line)
9211     DrawTextS(x, y, font_nr, element_name);
9212   else
9213   {
9214     int next_pos = max_chars_per_line;
9215
9216     strncpy(buffer, element_name, max_chars_per_line);
9217     buffer[max_chars_per_line] = '\0';
9218
9219     if (element_name[max_chars_per_line] == ' ')
9220       next_pos++;
9221     else
9222     {
9223       int i;
9224
9225       for (i = max_chars_per_line - 1; i >= 0; i--)
9226         if (buffer[i] == ' ')
9227           break;
9228
9229       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
9230       {
9231         buffer[i] = '\0';
9232         next_pos = i + 1;
9233       }
9234     }
9235
9236     DrawTextS(x, y - font_height / 2, font_nr, buffer);
9237
9238     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
9239     buffer[max_chars_per_line] = '\0';
9240
9241     DrawTextS(x, y + font_height / 2, font_nr, buffer);
9242   }
9243 }
9244
9245 static void DrawPropertiesWindow()
9246 {
9247   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
9248   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
9249   int border_size = gd->border_size;
9250   int font_nr = FONT_TEXT_1;
9251   int font_height = getFontHeight(font_nr);
9252   int xoffset = TILEX + element_border + 3 * border_size;
9253   int yoffset = (TILEY - font_height) / 2;
9254   int x1 = editor.settings.element_graphic.x + element_border;
9255   int y1 = editor.settings.element_graphic.y + element_border;
9256   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
9257             editor.settings.element_name.x);
9258   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
9259             editor.settings.element_name.y);
9260   char *text = "Element Settings";
9261   int font2_nr = FONT_TITLE_1;
9262   struct MenuPosInfo *pos = &editor.settings.headline;
9263   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
9264   int sy = SY + pos->y;
9265
9266   stick_element_properties_window = FALSE;
9267
9268   /* make sure that previous properties edit mode exists for this element */
9269   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
9270       !IS_CUSTOM_ELEMENT(properties_element))
9271     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
9272
9273   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
9274       !ELEM_IS_PLAYER(properties_element) &&
9275       !IS_CUSTOM_ELEMENT(properties_element))
9276     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
9277
9278   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
9279       (ELEM_IS_PLAYER(properties_element) ||
9280        IS_CUSTOM_ELEMENT(properties_element)))
9281     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
9282
9283   CopyElementPropertiesToEditor(properties_element);
9284
9285   UnmapLevelEditorFieldGadgets();
9286   UnmapLevelEditorToolboxDrawingGadgets();
9287   UnmapLevelEditorToolboxCustomGadgets();
9288
9289   if (IS_CUSTOM_ELEMENT(properties_element) ||
9290       IS_GROUP_ELEMENT(properties_element))
9291     MapLevelEditorToolboxCustomGadgets();
9292
9293   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9294   ClearField();
9295
9296   DrawText(sx, sy, text, font2_nr);
9297
9298   FrameCounter = 0;     /* restart animation frame counter */
9299
9300   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
9301   DrawEditorElementAnimation(SX + x1, SY + y1);
9302   DrawEditorElementName(x2, y2, font_nr);
9303
9304   DrawPropertiesTabulatorGadgets();
9305
9306   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
9307     DrawPropertiesInfo();
9308   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
9309     DrawPropertiesChange();
9310   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
9311     DrawPropertiesConfig();
9312 }
9313
9314 static void DrawPaletteWindow()
9315 {
9316   int i;
9317
9318   UnmapLevelEditorFieldGadgets();
9319
9320   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9321   ClearField();
9322
9323   /* map buttons to select elements */
9324   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9325     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
9326   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
9327   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
9328   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
9329 }
9330
9331 static void UpdateCustomElementGraphicGadgets()
9332 {
9333   int i;
9334
9335   InitElementPropertiesGfxElement();
9336
9337   ModifyEditorElementList();
9338   RedrawDrawingElements();
9339
9340   /* force redraw of all mapped drawing area gadgets */
9341   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
9342   {
9343     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
9344
9345     if (gi->mapped)
9346       MapDrawingArea(i);
9347   }
9348 }
9349
9350 static int getOpenDirectionFromTube(int element)
9351 {
9352   switch (element)
9353   {
9354     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
9355     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
9356     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
9357     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
9358     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
9359     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
9360     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
9361     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
9362     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
9363     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
9364     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
9365   }
9366
9367   return MV_NONE;
9368 }
9369
9370 static int getTubeFromOpenDirection(int direction)
9371 {
9372   switch (direction)
9373   {
9374     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
9375     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
9376     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
9377     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
9378     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
9379     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
9380     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
9381     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
9382     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
9383     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
9384     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
9385
9386     /* if only one direction, fall back to simple tube with that direction */
9387     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
9388     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
9389     case (MV_UP):                       return EL_TUBE_VERTICAL;
9390     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
9391   }
9392
9393   return EL_EMPTY;
9394 }
9395
9396 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
9397 {
9398   int element_new = getTubeFromOpenDirection(direction);
9399
9400   return (element_new != EL_EMPTY ? element_new : element_old);
9401 }
9402
9403 static int getOpenDirectionFromBelt(int element)
9404 {
9405   int belt_dir = getBeltDirFromBeltElement(element);
9406
9407   return (belt_dir == MV_LEFT ? MV_RIGHT :
9408           belt_dir == MV_RIGHT ? MV_LEFT :
9409           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
9410 }
9411
9412 static int getBeltFromNrAndOpenDirection(int nr, int direction)
9413 {
9414   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
9415                   direction == MV_RIGHT ? MV_LEFT :
9416                   direction == MV_HORIZONTAL ? MV_NONE : direction);
9417
9418   if (direction == MV_NONE)
9419     return EL_EMPTY;
9420
9421   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
9422 }
9423
9424 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
9425                                                  int element_old)
9426 {
9427   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
9428
9429   return (element_new != EL_EMPTY ? element_new : element_old);
9430 }
9431
9432 static int getOpenDirectionFromPool(int element)
9433 {
9434   switch (element)
9435   {
9436     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9437     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9438     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9439     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9440     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9441     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9442   }
9443
9444   return MV_NONE;
9445 }
9446
9447 static int getPoolFromOpenDirection(int direction)
9448 {
9449   switch (direction)
9450   {
9451     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9452     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9453     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9454     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9455     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9456     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9457   }
9458
9459   return EL_EMPTY;
9460 }
9461
9462 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9463 {
9464   int element = getPoolFromOpenDirection(direction);
9465   int help_direction = getOpenDirectionFromPool(help_element);
9466
9467   if (element == EL_EMPTY)
9468   {
9469     int help_direction_vertical = help_direction & MV_VERTICAL;
9470
9471     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9472   }
9473
9474   if (element == EL_EMPTY)
9475   {
9476     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9477
9478     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9479   }
9480
9481   return element;
9482 }
9483
9484 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9485 {
9486   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9487
9488   return (element_new != EL_EMPTY ? element_new : element_old);
9489 }
9490
9491 static int getOpenDirectionFromPillar(int element)
9492 {
9493   switch (element)
9494   {
9495     case EL_EMC_WALL_1:                 return (MV_DOWN);
9496     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9497     case EL_EMC_WALL_3:                 return (MV_UP);
9498   }
9499
9500   return MV_NONE;
9501 }
9502
9503 static int getPillarFromOpenDirection(int direction)
9504 {
9505   switch (direction)
9506   {
9507     case (MV_DOWN):                     return EL_EMC_WALL_1;
9508     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
9509     case (MV_UP):                       return EL_EMC_WALL_3;
9510   }
9511
9512   return EL_EMPTY;
9513 }
9514
9515 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
9516 {
9517   int element_new = getPillarFromOpenDirection(direction);
9518
9519   return (element_new != EL_EMPTY ? element_new : element_old);
9520 }
9521
9522 static int getOpenDirectionFromSteel2(int element)
9523 {
9524   switch (element)
9525   {
9526     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9527     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9528     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9529     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9530     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9531     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9532     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9533     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9534   }
9535
9536   return MV_NONE;
9537 }
9538
9539 static int getSteel2FromOpenDirection(int direction)
9540 {
9541   switch (direction)
9542   {
9543     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9544     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9545     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9546     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9547     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9548     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9549     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9550     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9551   }
9552
9553   return EL_EMPTY;
9554 }
9555
9556 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9557 {
9558   int element_new = getSteel2FromOpenDirection(direction);
9559
9560   return (element_new != EL_EMPTY ? element_new : element_old);
9561 }
9562
9563 static int getOpenDirectionFromChip(int element)
9564 {
9565   switch (element)
9566   {
9567     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9568     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9569     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9570     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9571     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9572   }
9573
9574   return MV_NONE;
9575 }
9576
9577 static int getChipFromOpenDirection(int direction)
9578 {
9579   switch (direction)
9580   {
9581     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9582     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9583     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9584     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9585     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9586   }
9587
9588   return EL_EMPTY;
9589 }
9590
9591 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9592 {
9593   int element_new = getChipFromOpenDirection(direction);
9594
9595   return (element_new != EL_EMPTY ? element_new : element_old);
9596 }
9597
9598 static int getClosedTube(int x, int y)
9599 {
9600   static int xy[4][2] =
9601   {
9602     { -1, 0 },
9603     { +1, 0 },
9604     { 0, -1 },
9605     { 0, +1 }
9606   };
9607   int element_old = IntelliDrawBuffer[x][y];
9608   int direction_old = getOpenDirectionFromTube(element_old);
9609   int direction_new = MV_NONE;
9610   int i;
9611
9612   for (i = 0; i < NUM_DIRECTIONS; i++)
9613   {
9614     int xx = x + xy[i][0];
9615     int yy = y + xy[i][1];
9616     int dir = MV_DIR_FROM_BIT(i);
9617     int dir_opposite = MV_DIR_OPPOSITE(dir);
9618
9619     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9620         (direction_old & dir) &&
9621         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9622       direction_new |= dir;
9623   }
9624
9625   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9626 }
9627
9628 static int getClosedBelt(int x, int y)
9629 {
9630   static int xy[4][2] =
9631   {
9632     { -1, 0 },
9633     { +1, 0 },
9634     { 0, -1 },
9635     { 0, +1 }
9636   };
9637   int element_old = IntelliDrawBuffer[x][y];
9638   int nr = getBeltNrFromBeltElement(element_old);
9639   int direction_old = getOpenDirectionFromBelt(element_old);
9640   int direction_new = MV_NONE;
9641   int i;
9642
9643   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9644   {
9645     int xx = x + xy[i][0];
9646     int yy = y + xy[i][1];
9647     int dir = MV_DIR_FROM_BIT(i);
9648     int dir_opposite = MV_DIR_OPPOSITE(dir);
9649
9650     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9651         (direction_old & dir) &&
9652         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9653       direction_new |= dir;
9654   }
9655
9656   return getBeltFromNrAndOpenDirection(nr, direction_new);
9657 }
9658
9659 static int getClosedPool(int x, int y)
9660 {
9661   static int xy[4][2] =
9662   {
9663     { -1, 0 },
9664     { +1, 0 },
9665     { 0, -1 },
9666     { 0, +1 }
9667   };
9668   int element_old = IntelliDrawBuffer[x][y];
9669   int direction_old = getOpenDirectionFromPool(element_old);
9670   int direction_new = MV_NONE;
9671   int i;
9672
9673   for (i = 0; i < NUM_DIRECTIONS; i++)
9674   {
9675     int xx = x + xy[i][0];
9676     int yy = y + xy[i][1];
9677     int dir = MV_DIR_FROM_BIT(i);
9678     int dir_opposite = MV_DIR_OPPOSITE(dir);
9679
9680     if (IN_LEV_FIELD(xx, yy) &&
9681         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9682         (direction_old & dir) &&
9683         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9684       direction_new |= dir;
9685   }
9686
9687   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9688 }
9689
9690 static int getClosedPillar(int x, int y)
9691 {
9692   static int xy[4][2] =
9693   {
9694     { -1, 0 },
9695     { +1, 0 },
9696     { 0, -1 },
9697     { 0, +1 }
9698   };
9699   int element_old = IntelliDrawBuffer[x][y];
9700   int direction_old = getOpenDirectionFromPillar(element_old);
9701   int direction_new = MV_NONE;
9702   int i;
9703
9704   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9705   {
9706     int xx = x + xy[i][0];
9707     int yy = y + xy[i][1];
9708     int dir = MV_DIR_FROM_BIT(i);
9709     int dir_opposite = MV_DIR_OPPOSITE(dir);
9710
9711     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9712         (direction_old & dir) &&
9713         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9714       direction_new |= dir;
9715   }
9716
9717   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9718 }
9719
9720 static int getClosedSteel2(int x, int y)
9721 {
9722   static int xy[4][2] =
9723   {
9724     { -1, 0 },
9725     { +1, 0 },
9726     { 0, -1 },
9727     { 0, +1 }
9728   };
9729   int element_old = IntelliDrawBuffer[x][y];
9730   int direction_old = getOpenDirectionFromSteel2(element_old);
9731   int direction_new = MV_NONE;
9732   int i;
9733
9734   for (i = 0; i < NUM_DIRECTIONS; i++)
9735   {
9736     int xx = x + xy[i][0];
9737     int yy = y + xy[i][1];
9738     int dir = MV_DIR_FROM_BIT(i);
9739     int dir_opposite = MV_DIR_OPPOSITE(dir);
9740
9741     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9742         (direction_old & dir) &&
9743         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9744       direction_new |= dir;
9745   }
9746
9747   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9748 }
9749
9750 static int getClosedChip(int x, int y)
9751 {
9752   static int xy[4][2] =
9753   {
9754     { -1, 0 },
9755     { +1, 0 },
9756     { 0, -1 },
9757     { 0, +1 }
9758   };
9759   int element_old = IntelliDrawBuffer[x][y];
9760   int direction_old = getOpenDirectionFromChip(element_old);
9761   int direction_new = MV_NONE;
9762   int i;
9763
9764   for (i = 0; i < NUM_DIRECTIONS; i++)
9765   {
9766     int xx = x + xy[i][0];
9767     int yy = y + xy[i][1];
9768     int dir = MV_DIR_FROM_BIT(i);
9769     int dir_opposite = MV_DIR_OPPOSITE(dir);
9770
9771     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9772         (direction_old & dir) &&
9773         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9774       direction_new |= dir;
9775   }
9776
9777   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9778 }
9779
9780 static void SetElementSimple(int x, int y, int element, boolean change_level)
9781 {
9782   int sx = x - level_xpos;
9783   int sy = y - level_ypos;
9784
9785   IntelliDrawBuffer[x][y] = element;
9786
9787   if (change_level)
9788     Feld[x][y] = element;
9789
9790   if (IN_ED_FIELD(sx, sy))
9791     DrawEditorElement(sx, sy, element);
9792 }
9793
9794 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9795                                            int x2, int y2, int *element2,
9796                                            int (*close_function)(int, int),
9797                                            boolean change_level)
9798 {
9799   /* set neighbour elements to newly determined connections */
9800   SetElementSimple(x1, y1, *element1, change_level);
9801   SetElementSimple(x2, y2, *element2, change_level);
9802
9803   /* remove all open connections of neighbour elements */
9804   *element1 = close_function(x1, y1);
9805   *element2 = close_function(x2, y2);
9806
9807   /* set neighbour elements to new, minimized connections */
9808   SetElementSimple(x1, y1, *element1, change_level);
9809   SetElementSimple(x2, y2, *element2, change_level);
9810 }
9811
9812 static void SetElementIntelliDraw(int x, int y, int new_element,
9813                                   boolean change_level, int button)
9814 {
9815   static int xy[4][2] =
9816   {
9817     { -1, 0 },
9818     { +1, 0 },
9819     { 0, -1 },
9820     { 0, +1 }
9821   };
9822   static int last_x = -1;
9823   static int last_y = -1;
9824   int old_element = IntelliDrawBuffer[x][y];
9825
9826   if (new_element == EL_UNDEFINED)
9827   {
9828     last_x = -1;
9829     last_y = -1;
9830
9831     return;
9832   }
9833
9834   if (IS_TUBE(new_element))
9835   {
9836     int last_element_new = EL_UNDEFINED;
9837     int direction = MV_NONE;
9838     int i;
9839
9840     /* if old element is of same kind, keep all existing directions */
9841     if (IS_TUBE(old_element))
9842       direction |= getOpenDirectionFromTube(old_element);
9843
9844     for (i = 0; i < NUM_DIRECTIONS; i++)
9845     {
9846       int xx = x + xy[i][0];
9847       int yy = y + xy[i][1];
9848
9849       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9850           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9851       {
9852         int dir = MV_DIR_FROM_BIT(i);
9853         int dir_opposite = MV_DIR_OPPOSITE(dir);
9854         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9855         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9856         int last_direction_new = last_direction_old | dir_opposite;
9857
9858         last_element_new = getTubeFromOpenDirection(last_direction_new);
9859
9860         direction |= dir;
9861       }
9862     }
9863
9864     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9865
9866     if (last_element_new != EL_UNDEFINED)
9867       MergeAndCloseNeighbourElements(x, y, &new_element,
9868                                      last_x, last_y, &last_element_new,
9869                                      getClosedTube, change_level);
9870   }
9871   else if (IS_BELT(new_element))
9872   {
9873     int belt_nr = getBeltNrFromBeltElement(new_element);
9874     int last_element_new = EL_UNDEFINED;
9875     int direction = MV_NONE;
9876     int i;
9877
9878     /* if old element is of same kind, keep all existing directions */
9879     if (IS_BELT(old_element))
9880       direction |= getOpenDirectionFromBelt(old_element);
9881
9882     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9883     {
9884       int xx = x + xy[i][0];
9885       int yy = y + xy[i][1];
9886
9887       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9888           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9889       {
9890         int dir = MV_DIR_FROM_BIT(i);
9891         int dir_opposite = MV_DIR_OPPOSITE(dir);
9892         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9893         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9894         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9895         int last_direction_new = last_direction_old | dir_opposite;
9896
9897         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9898                                                          last_direction_new);
9899         direction |= dir;
9900       }
9901     }
9902
9903     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9904                                                         new_element);
9905     if (last_element_new != EL_UNDEFINED)
9906       MergeAndCloseNeighbourElements(x, y, &new_element,
9907                                      last_x, last_y, &last_element_new,
9908                                      getClosedBelt, change_level);
9909   }
9910   else if (IS_ACID_POOL_OR_ACID(new_element))
9911   {
9912     int last_element_new = EL_UNDEFINED;
9913     int direction = MV_NONE;
9914     int i;
9915
9916     /* if old element is of same kind, keep all existing directions */
9917     if (IS_ACID_POOL_OR_ACID(old_element))
9918       direction |= getOpenDirectionFromPool(old_element);
9919
9920     for (i = 0; i < NUM_DIRECTIONS; i++)
9921     {
9922       int xx = x + xy[i][0];
9923       int yy = y + xy[i][1];
9924
9925       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9926           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9927       {
9928         int dir = MV_DIR_FROM_BIT(i);
9929         int dir_opposite = MV_DIR_OPPOSITE(dir);
9930         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9931         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9932         int last_direction_new = last_direction_old | dir_opposite;
9933
9934         last_element_new = getPoolFromOpenDirection(last_direction_new);
9935
9936         direction |= dir;
9937       }
9938     }
9939
9940     /* special corrections needed for intuitively correct acid pool drawing */
9941     if (last_element_new == EL_EMPTY)
9942       last_element_new = new_element;
9943     else if (last_element_new != EL_UNDEFINED)
9944       new_element = last_element_new;
9945
9946     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9947
9948     if (last_element_new != EL_UNDEFINED)
9949       MergeAndCloseNeighbourElements(x, y, &new_element,
9950                                      last_x, last_y, &last_element_new,
9951                                      getClosedPool, change_level);
9952   }
9953   else if (IS_EMC_PILLAR(new_element))
9954   {
9955     int last_element_new = EL_UNDEFINED;
9956     int direction = MV_NONE;
9957     int i;
9958
9959     /* if old element is of same kind, keep all existing directions */
9960     if (IS_EMC_PILLAR(old_element))
9961       direction |= getOpenDirectionFromPillar(old_element);
9962
9963     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9964     {
9965       int xx = x + xy[i][0];
9966       int yy = y + xy[i][1];
9967
9968       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9969           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9970       {
9971         int dir = MV_DIR_FROM_BIT(i);
9972         int dir_opposite = MV_DIR_OPPOSITE(dir);
9973         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9974         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9975         int last_direction_new = last_direction_old | dir_opposite;
9976
9977         last_element_new = getPillarFromOpenDirection(last_direction_new);
9978
9979         direction |= dir;
9980       }
9981     }
9982
9983     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9984
9985     if (last_element_new != EL_UNDEFINED)
9986       MergeAndCloseNeighbourElements(x, y, &new_element,
9987                                      last_x, last_y, &last_element_new,
9988                                      getClosedPillar, change_level);
9989   }
9990   else if (IS_DC_STEELWALL_2(new_element))
9991   {
9992     int last_element_new = EL_UNDEFINED;
9993     int direction = MV_NONE;
9994     int i;
9995
9996     /* if old element is of same kind, keep all existing directions */
9997     if (IS_DC_STEELWALL_2(old_element))
9998       direction |= getOpenDirectionFromSteel2(old_element);
9999
10000     for (i = 0; i < NUM_DIRECTIONS; i++)
10001     {
10002       int xx = x + xy[i][0];
10003       int yy = y + xy[i][1];
10004
10005       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10006           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
10007       {
10008         int dir = MV_DIR_FROM_BIT(i);
10009         int dir_opposite = MV_DIR_OPPOSITE(dir);
10010         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10011         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
10012         int last_direction_new = last_direction_old | dir_opposite;
10013
10014         last_element_new = getSteel2FromOpenDirection(last_direction_new);
10015
10016         direction |= dir;
10017       }
10018     }
10019
10020     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
10021
10022     if (last_element_new != EL_UNDEFINED)
10023       MergeAndCloseNeighbourElements(x, y, &new_element,
10024                                      last_x, last_y, &last_element_new,
10025                                      getClosedSteel2, change_level);
10026   }
10027   else if (IS_SP_CHIP(new_element))
10028   {
10029     int last_element_new = EL_UNDEFINED;
10030     int direction = MV_NONE;
10031     int i;
10032
10033     /* (do not keep existing directions, regardless of kind of old element) */
10034
10035     for (i = 0; i < NUM_DIRECTIONS; i++)
10036     {
10037       int xx = x + xy[i][0];
10038       int yy = y + xy[i][1];
10039
10040       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10041           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
10042       {
10043         int dir = MV_DIR_FROM_BIT(i);
10044         int dir_opposite = MV_DIR_OPPOSITE(dir);
10045         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10046         int last_direction_old = getOpenDirectionFromChip(last_element_old);
10047         int last_direction_new = last_direction_old | dir_opposite;
10048
10049         if (last_direction_old == MV_NONE)
10050         {
10051           last_element_new = getChipFromOpenDirection(last_direction_new);
10052           direction |= dir;
10053         }
10054         else if (last_direction_old & (dir | dir_opposite))
10055         {
10056           direction |= MV_DIR_OPPOSITE(last_direction_old);
10057         }
10058         else
10059         {
10060           direction |= MV_DIR_OPPOSITE(dir);
10061         }
10062       }
10063     }
10064
10065     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
10066
10067     if (last_element_new != EL_UNDEFINED)
10068       MergeAndCloseNeighbourElements(x, y, &new_element,
10069                                      last_x, last_y, &last_element_new,
10070                                      getClosedChip, change_level);
10071   }
10072   else if (IS_SP_HARDWARE_BASE(new_element))
10073   {
10074     int nr = GetSimpleRandom(6);
10075
10076     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
10077                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
10078                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
10079                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
10080                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
10081   }
10082   else if (new_element == EL_SP_HARDWARE_GREEN ||
10083            new_element == EL_SP_HARDWARE_BLUE ||
10084            new_element == EL_SP_HARDWARE_RED)
10085   {
10086     int nr = GetSimpleRandom(3);
10087
10088     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
10089                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
10090   }
10091   else if (IS_GROUP_ELEMENT(new_element))
10092   {
10093     boolean connected_drawing = FALSE;
10094     int i;
10095
10096     for (i = 0; i < NUM_DIRECTIONS; i++)
10097     {
10098       int xx = x + xy[i][0];
10099       int yy = y + xy[i][1];
10100
10101       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10102           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
10103         connected_drawing = TRUE;
10104     }
10105
10106     if (!connected_drawing)
10107       ResolveGroupElement(new_element);
10108
10109     new_element = GetElementFromGroupElement(new_element);
10110   }
10111   else if (IS_BELT_SWITCH(old_element))
10112   {
10113     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
10114     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
10115
10116     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
10117                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
10118
10119     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
10120   }
10121   else
10122   {
10123     static int swappable_elements[][2] =
10124     {
10125       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
10126       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
10127       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
10128       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
10129       { EL_EMERALD,                     EL_WALL_EMERALD                 },
10130       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
10131       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
10132       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
10133       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
10134       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
10135       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
10136       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
10137       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
10138       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
10139       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
10140       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
10141       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
10142       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
10143       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
10144       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
10145       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
10146       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
10147       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
10148       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
10149       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
10150       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
10151       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
10152       { EL_PEARL,                       EL_WALL_PEARL                   },
10153       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
10154       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
10155       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
10156       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
10157       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
10158       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
10159       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
10160       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
10161       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
10162       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
10163       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
10164       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
10165
10166       { -1,                             -1                              },
10167     };
10168     static int rotatable_elements[][4] =
10169     {
10170       {
10171         EL_BUG_UP,
10172         EL_BUG_RIGHT,
10173         EL_BUG_DOWN,
10174         EL_BUG_LEFT
10175       },
10176
10177       {
10178         EL_SPACESHIP_UP,
10179         EL_SPACESHIP_RIGHT,
10180         EL_SPACESHIP_DOWN,
10181         EL_SPACESHIP_LEFT
10182       },
10183
10184       {
10185         EL_BD_BUTTERFLY_UP,
10186         EL_BD_BUTTERFLY_RIGHT,
10187         EL_BD_BUTTERFLY_DOWN,
10188         EL_BD_BUTTERFLY_LEFT
10189       },
10190
10191       {
10192         EL_BD_FIREFLY_UP,
10193         EL_BD_FIREFLY_RIGHT,
10194         EL_BD_FIREFLY_DOWN,
10195         EL_BD_FIREFLY_LEFT
10196       },
10197
10198       {
10199         EL_PACMAN_UP,
10200         EL_PACMAN_RIGHT,
10201         EL_PACMAN_DOWN,
10202         EL_PACMAN_LEFT
10203       },
10204
10205       {
10206         EL_YAMYAM_UP,
10207         EL_YAMYAM_RIGHT,
10208         EL_YAMYAM_DOWN,
10209         EL_YAMYAM_LEFT
10210       },
10211
10212       {
10213         EL_ARROW_UP,
10214         EL_ARROW_RIGHT,
10215         EL_ARROW_DOWN,
10216         EL_ARROW_LEFT
10217       },
10218
10219       {
10220         EL_SP_PORT_UP,
10221         EL_SP_PORT_RIGHT,
10222         EL_SP_PORT_DOWN,
10223         EL_SP_PORT_LEFT
10224       },
10225
10226       {
10227         EL_SP_GRAVITY_PORT_UP,
10228         EL_SP_GRAVITY_PORT_RIGHT,
10229         EL_SP_GRAVITY_PORT_DOWN,
10230         EL_SP_GRAVITY_PORT_LEFT
10231       },
10232
10233       {
10234         EL_SP_GRAVITY_ON_PORT_UP,
10235         EL_SP_GRAVITY_ON_PORT_RIGHT,
10236         EL_SP_GRAVITY_ON_PORT_DOWN,
10237         EL_SP_GRAVITY_ON_PORT_LEFT
10238       },
10239
10240       {
10241         EL_SP_GRAVITY_OFF_PORT_UP,
10242         EL_SP_GRAVITY_OFF_PORT_RIGHT,
10243         EL_SP_GRAVITY_OFF_PORT_DOWN,
10244         EL_SP_GRAVITY_OFF_PORT_LEFT
10245       },
10246
10247       {
10248         EL_MOLE_UP,
10249         EL_MOLE_RIGHT,
10250         EL_MOLE_DOWN,
10251         EL_MOLE_LEFT
10252       },
10253
10254       {
10255         EL_BALLOON_SWITCH_UP,
10256         EL_BALLOON_SWITCH_RIGHT,
10257         EL_BALLOON_SWITCH_DOWN,
10258         EL_BALLOON_SWITCH_LEFT
10259       },
10260
10261       {
10262         -1,
10263         -1,
10264         -1,
10265         -1,
10266       },
10267     };
10268     int i, j;
10269
10270     for (i = 0; swappable_elements[i][0] != -1; i++)
10271     {
10272       int element1 = swappable_elements[i][0];
10273       int element2 = swappable_elements[i][1];
10274
10275       if (old_element == element1 || old_element == element2)
10276         new_element = (old_element == element1 ? element2 : element1);
10277     }
10278
10279     for (i = 0; rotatable_elements[i][0] != -1; i++)
10280     {
10281       for (j = 0; j < 4; j++)
10282       {
10283         int element = rotatable_elements[i][j];
10284
10285         if (old_element == element)
10286           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
10287                          button == 2 ? rotatable_elements[i][0]           :
10288                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
10289                          old_element);
10290       }
10291     }
10292   }
10293
10294   SetElementSimple(x, y, new_element, change_level);
10295
10296   last_x = x;
10297   last_y = y;
10298 }
10299
10300 static void ResetIntelliDraw()
10301 {
10302   int x, y;
10303
10304   for (x = 0; x < lev_fieldx; x++)
10305     for (y = 0; y < lev_fieldy; y++)
10306       IntelliDrawBuffer[x][y] = Feld[x][y];
10307
10308   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
10309 }
10310
10311 static void SetElementExt(int x, int y, int element, boolean change_level,
10312                           int button)
10313 {
10314   if (element < 0)
10315     SetElementSimple(x, y, Feld[x][y], change_level);
10316   else if (GetKeyModState() & KMOD_Shift)
10317     SetElementIntelliDraw(x, y, element, change_level, button);
10318   else
10319     SetElementSimple(x, y, element, change_level);
10320 }
10321
10322 static void SetElement(int x, int y, int element)
10323 {
10324   SetElementExt(x, y, element, TRUE, -1);
10325 }
10326
10327 static void SetElementButton(int x, int y, int element, int button)
10328 {
10329   SetElementExt(x, y, element, TRUE, button);
10330 }
10331
10332 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
10333 {
10334   int lx = sx + level_xpos;
10335   int ly = sy + level_ypos;
10336
10337   SetElementExt(lx, ly, element, change_level, -1);
10338 }
10339
10340 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
10341                      int element, boolean change_level)
10342 {
10343   int xsize = ABS(to_x - from_x);
10344   int ysize = ABS(to_y - from_y);
10345   int dx = (to_x < from_x ? -1 : +1);
10346   int dy = (to_y < from_y ? -1 : +1);
10347   int i;
10348
10349   if (from_y == to_y)                   /* horizontal line */
10350   {
10351     for (i = 0; i <= xsize; i++)
10352       DrawLineElement(from_x + i * dx, from_y, element, change_level);
10353   }
10354   else if (from_x == to_x)              /* vertical line */
10355   {
10356     for (i = 0; i <= ysize; i++)
10357       DrawLineElement(from_x, from_y + i * dy, element, change_level);
10358   }
10359   else                                  /* diagonal line */
10360   {
10361     if (ysize < xsize)                  /* a < 1 */
10362     {
10363       float a = (float)ysize / (float)xsize;
10364
10365       for (i = 0; i <= xsize; i++)
10366       {
10367         int x = dx * i;
10368         int y = dy * (int)(a * i + 0.5);
10369
10370         DrawLineElement(from_x + x, from_y + y, element, change_level);
10371       }
10372     }
10373     else                                /* a >= 1 */
10374     {
10375       float a = (float)xsize / (float)ysize;
10376
10377       for (i = 0; i <= ysize; i++)
10378       {
10379         int x = dx * (int)(a * i + 0.5);
10380         int y = dy * i;
10381
10382         DrawLineElement(from_x + x, from_y + y, element, change_level);
10383       }
10384     }
10385   }
10386 }
10387
10388 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
10389                     int element, boolean change_level)
10390 {
10391   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
10392   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
10393   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
10394   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
10395 }
10396
10397 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
10398                           int element, boolean change_level)
10399 {
10400   int y;
10401
10402   if (from_y > to_y)
10403     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
10404
10405   for (y = from_y; y <= to_y; y++)
10406     DrawLine(from_x, y, to_x, y, element, change_level);
10407 }
10408
10409 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
10410                        int element, boolean change_level)
10411 {
10412   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
10413   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
10414   int len_x = ABS(to_x - from_x);
10415   int len_y = ABS(to_y - from_y);
10416   int radius, x, y;
10417
10418   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
10419
10420   /* not optimal (some points get drawn twice) but simple,
10421      and fast enough for the few points we are drawing */
10422
10423   for (x = 0; x <= radius; x++)
10424   {
10425     int sx, sy, lx, ly;
10426
10427     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
10428
10429     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10430     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10431     lx = sx + level_xpos;
10432     ly = sy + level_ypos;
10433
10434     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10435       DrawLineElement(sx, sy, element, change_level);
10436   }
10437
10438   for (y = 0; y <= radius; y++)
10439   {
10440     int sx, sy, lx, ly;
10441
10442     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
10443
10444     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10445     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10446     lx = sx + level_xpos;
10447     ly = sy + level_ypos;
10448
10449     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10450       DrawLineElement(sx, sy, element, change_level);
10451   }
10452 }
10453
10454 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
10455                     int element, boolean change_level)
10456 {
10457   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10458   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10459
10460   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10461 }
10462
10463 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
10464
10465 #if DRAW_CIRCLES_BUTTON_AVAILABLE
10466 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
10467                        int element, boolean change_level)
10468 {
10469   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10470   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10471   int mirror_to_x2 = from_x - (to_x2 - from_x);
10472   int mirror_to_y2 = from_y - (to_y2 - from_y);
10473
10474   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10475   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
10476   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
10477   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
10478 }
10479 #endif
10480
10481 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
10482 {
10483   int from_sx, from_sy;
10484   int to_sx, to_sy;
10485
10486   if (from_x > to_x)
10487     swap_numbers(&from_x, &to_x);
10488
10489   if (from_y > to_y)
10490     swap_numbers(&from_y, &to_y);
10491
10492   from_sx = SX + from_x * ed_tilesize;
10493   from_sy = SY + from_y * ed_tilesize;
10494   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
10495   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
10496
10497   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
10498   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
10499   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
10500   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
10501
10502   if (from_x == to_x && from_y == to_y)
10503     MarkTileDirty(from_x/2, from_y/2);
10504   else
10505     redraw_mask |= REDRAW_FIELD;
10506 }
10507
10508 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
10509                        int element, boolean change_level)
10510 {
10511   if (element == -1 || change_level)
10512     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
10513   else
10514     DrawAreaBorder(from_x, from_y, to_x, to_y);
10515 }
10516
10517 /* values for CopyBrushExt() */
10518 #define CB_AREA_TO_BRUSH        0
10519 #define CB_BRUSH_TO_CURSOR      1
10520 #define CB_BRUSH_TO_LEVEL       2
10521 #define CB_DELETE_OLD_CURSOR    3
10522 #define CB_DUMP_BRUSH           4
10523 #define CB_DUMP_BRUSH_SMALL     5
10524
10525 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10526                          int button, int mode)
10527 {
10528   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10529   static int brush_width, brush_height;
10530   static int last_cursor_x = -1, last_cursor_y = -1;
10531   static boolean delete_old_brush;
10532   int new_element = BUTTON_ELEMENT(button);
10533   int x, y;
10534
10535   if (mode == CB_DUMP_BRUSH ||
10536       mode == CB_DUMP_BRUSH_SMALL)
10537   {
10538     if (!draw_with_brush)
10539     {
10540       Error(ERR_WARN, "no brush selected");
10541
10542       return;
10543     }
10544
10545     for (y = 0; y < brush_height; y++)
10546     {
10547       for (x = 0; x < brush_width; x++)
10548       {
10549         int element = brush_buffer[x][y];
10550         int element_mapped = element;
10551
10552         if (IS_CUSTOM_ELEMENT(element))
10553           element_mapped = EL_CUSTOM_START;
10554         else if (IS_GROUP_ELEMENT(element))
10555           element_mapped = EL_GROUP_START;
10556         else if (element >= NUM_FILE_ELEMENTS)
10557           element_mapped = EL_UNKNOWN;
10558
10559         // dump brush as level sketch text for the R'n'D forum:
10560         // - large tiles: `xxx (0x60 ASCII)
10561         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
10562         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
10563       }
10564
10565       printf("\n");
10566     }
10567
10568     return;
10569   }
10570
10571   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10572     return;
10573
10574   if (mode == CB_AREA_TO_BRUSH)
10575   {
10576     int from_lx, from_ly;
10577
10578     if (from_x > to_x)
10579       swap_numbers(&from_x, &to_x);
10580
10581     if (from_y > to_y)
10582       swap_numbers(&from_y, &to_y);
10583
10584     brush_width = to_x - from_x + 1;
10585     brush_height = to_y - from_y + 1;
10586
10587     from_lx = from_x + level_xpos;
10588     from_ly = from_y + level_ypos;
10589
10590     for (y = 0; y < brush_height; y++)
10591     {
10592       for (x = 0; x < brush_width; x++)
10593       {
10594         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10595
10596         if (button != 1)
10597           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10598       }
10599     }
10600
10601     if (button != 1)
10602       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10603
10604     delete_old_brush = FALSE;
10605   }
10606   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10607            mode == CB_BRUSH_TO_LEVEL)
10608   {
10609     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10610     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10611     int cursor_from_x = cursor_x - brush_width / 2;
10612     int cursor_from_y = cursor_y - brush_height / 2;
10613     int border_from_x = cursor_x, border_from_y = cursor_y;
10614     int border_to_x = cursor_x, border_to_y = cursor_y;
10615
10616     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10617       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10618
10619     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10620         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10621     {
10622       delete_old_brush = FALSE;
10623       return;
10624     }
10625
10626     for (y = 0; y < brush_height; y++)
10627     {
10628       for (x = 0; x < brush_width; x++)
10629       {
10630         int sx = cursor_from_x + x;
10631         int sy = cursor_from_y + y;
10632         int lx = sx + level_xpos;
10633         int ly = sy + level_ypos;
10634         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10635         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10636                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10637                        brush_buffer[x][y] : new_element);
10638
10639         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10640         {
10641           if (sx < border_from_x)
10642             border_from_x = sx;
10643           else if (sx > border_to_x)
10644             border_to_x = sx;
10645           if (sy < border_from_y)
10646             border_from_y = sy;
10647           else if (sy > border_to_y)
10648             border_to_y = sy;
10649
10650           DrawLineElement(sx, sy, element, change_level);
10651         }
10652       }
10653     }
10654
10655     if (mode != CB_DELETE_OLD_CURSOR)
10656       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10657
10658     last_cursor_x = cursor_x;
10659     last_cursor_y = cursor_y;
10660     delete_old_brush = TRUE;
10661   }
10662 }
10663
10664 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10665                             int button)
10666 {
10667   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10668 }
10669
10670 static void CopyBrushToLevel(int x, int y, int button)
10671 {
10672   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10673 }
10674
10675 static void CopyBrushToCursor(int x, int y)
10676 {
10677   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10678 }
10679
10680 static void DeleteBrushFromCursor()
10681 {
10682   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10683 }
10684
10685 void DumpBrush()
10686 {
10687   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10688 }
10689
10690 void DumpBrush_Small()
10691 {
10692   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10693 }
10694
10695 static void FloodFill(int from_x, int from_y, int fill_element)
10696 {
10697   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10698 }
10699
10700 /* values for DrawLevelText() modes */
10701 #define TEXT_INIT               0
10702 #define TEXT_SETCURSOR          1
10703 #define TEXT_WRITECHAR          2
10704 #define TEXT_BACKSPACE          3
10705 #define TEXT_NEWLINE            4
10706 #define TEXT_END                5
10707 #define TEXT_QUERY_TYPING       6
10708
10709 static int DrawLevelText(int sx, int sy, char letter, int mode)
10710 {
10711   static short delete_buffer[MAX_LEV_FIELDX];
10712   static int start_sx;
10713   static int last_sx, last_sy;
10714   static boolean typing = FALSE;
10715   int letter_element = EL_CHAR_ASCII0 + letter;
10716   int lx = 0, ly = 0;
10717
10718   /* map lower case letters to upper case and convert special characters */
10719   if (letter >= 'a' && letter <= 'z')
10720     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10721   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
10722     letter_element = EL_CHAR_AUMLAUT;
10723   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
10724     letter_element = EL_CHAR_OUMLAUT;
10725   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
10726     letter_element = EL_CHAR_UUMLAUT;
10727   else if (letter == '^')
10728     letter_element = EL_CHAR_COPYRIGHT;
10729   else
10730     letter_element = EL_CHAR_ASCII0 + letter;
10731
10732   if (mode != TEXT_INIT)
10733   {
10734     if (!typing)
10735       return FALSE;
10736
10737     if (mode != TEXT_SETCURSOR)
10738     {
10739       sx = last_sx;
10740       sy = last_sy;
10741     }
10742
10743     lx = last_sx + level_xpos;
10744     ly = last_sy + level_ypos;
10745   }
10746
10747   switch (mode)
10748   {
10749     case TEXT_INIT:
10750       if (typing)
10751         DrawLevelText(0, 0, 0, TEXT_END);
10752
10753       typing = TRUE;
10754       start_sx = sx;
10755       last_sx = sx;
10756       last_sy = sy;
10757       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10758       break;
10759
10760     case TEXT_SETCURSOR:
10761       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
10762       DrawAreaBorder(sx, sy, sx, sy);
10763       last_sx = sx;
10764       last_sy = sy;
10765       break;
10766
10767     case TEXT_WRITECHAR:
10768       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10769       {
10770         if (new_element1 >= EL_STEEL_CHAR_START &&
10771             new_element1 <= EL_STEEL_CHAR_END)
10772           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
10773
10774         delete_buffer[sx - start_sx] = Feld[lx][ly];
10775         Feld[lx][ly] = letter_element;
10776
10777         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10778           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10779         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10780           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10781         else
10782           DrawLevelText(0, 0, 0, TEXT_END);
10783
10784         level.changed = TRUE;
10785       }
10786       break;
10787
10788     case TEXT_BACKSPACE:
10789       if (sx > start_sx)
10790       {
10791         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10792         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
10793         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10794       }
10795       break;
10796
10797     case TEXT_NEWLINE:
10798       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10799         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10800       else
10801         DrawLevelText(0, 0, 0, TEXT_END);
10802       break;
10803
10804     case TEXT_END:
10805       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10806       DrawEditorElement(sx, sy, Feld[lx][ly]);
10807       typing = FALSE;
10808       break;
10809
10810     case TEXT_QUERY_TYPING:
10811       break;
10812
10813     default:
10814       break;
10815   }
10816
10817   return typing;
10818 }
10819
10820 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10821                           int element, boolean change_level)
10822 {
10823   int lx = sx + level_xpos;
10824   int ly = sy + level_ypos;
10825
10826   if (element == -1)
10827     DrawEditorElement(sx, sy, Feld[lx][ly]);
10828   else
10829     DrawAreaBorder(sx, sy, sx, sy);
10830 }
10831
10832 static void CheckLevelBorderElement(boolean redraw_playfield)
10833 {
10834   int last_border_element = BorderElement;
10835
10836   SetBorderElement();
10837
10838   if (redraw_playfield && BorderElement != last_border_element)
10839     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10840 }
10841
10842 static void CopyLevelToUndoBuffer(int mode)
10843 {
10844   static boolean accumulated_undo = FALSE;
10845   boolean new_undo_buffer_position = TRUE;
10846   int x, y;
10847
10848   if (undo_buffer_steps == 0)
10849     accumulated_undo = FALSE;
10850
10851   switch (mode)
10852   {
10853     case UNDO_IMMEDIATE:
10854       accumulated_undo = FALSE;
10855       break;
10856
10857     case UNDO_ACCUMULATE:
10858       if (accumulated_undo)
10859         new_undo_buffer_position = FALSE;
10860       accumulated_undo = TRUE;
10861       break;
10862
10863     default:
10864       break;
10865   }
10866
10867   if (new_undo_buffer_position)
10868   {
10869     /* advance position in undo buffer ring */
10870     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10871
10872     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10873       undo_buffer_steps++;
10874   }
10875
10876   /* always reset redo buffer when storing level change into undo buffer */
10877   redo_buffer_steps = 0;
10878
10879   for (x = 0; x < lev_fieldx; x++)
10880     for (y = 0; y < lev_fieldy; y++)
10881       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10882
10883   /* check if drawing operation forces change of border style */
10884   CheckLevelBorderElement(TRUE);
10885
10886   level.changed = TRUE;
10887 }
10888
10889 static void RandomPlacement(int new_element)
10890 {
10891   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10892   int num_free_positions = 0;
10893   int num_percentage, num_elements;
10894   int x, y;
10895
10896   ResetIntelliDraw();
10897
10898   /* determine number of free positions for randomly placing the new element */
10899   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10900   {
10901     free_position[x][y] =
10902       (random_placement_background_restricted ?
10903        Feld[x][y] == random_placement_background_element :
10904        Feld[x][y] != new_element);
10905
10906     if (free_position[x][y])
10907       num_free_positions++;
10908   }
10909
10910   /* determine number of new elements to place there */
10911   num_percentage = num_free_positions * random_placement_value / 100;
10912   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10913                   num_percentage : random_placement_value);
10914
10915   /* if less free positions than elements to place, fill all these positions */
10916   if (num_free_positions < num_elements)
10917   {
10918     for (x = 0; x < lev_fieldx; x++)
10919       for (y = 0; y < lev_fieldy; y++)
10920         if (free_position[x][y])
10921           SetElement(x, y, new_element);
10922   }
10923   else
10924   {
10925     while (num_elements > 0)
10926     {
10927       x = GetSimpleRandom(lev_fieldx);
10928       y = GetSimpleRandom(lev_fieldy);
10929
10930       /* don't place element at the same position twice */
10931       if (free_position[x][y])
10932       {
10933         free_position[x][y] = FALSE;
10934         SetElement(x, y, new_element);
10935         num_elements--;
10936       }
10937     }
10938   }
10939
10940   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10941   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10942 }
10943
10944 void WrapLevel(int dx, int dy)
10945 {
10946   int wrap_dx = lev_fieldx - dx;
10947   int wrap_dy = lev_fieldy - dy;
10948   int x, y;
10949
10950   for (x = 0; x < lev_fieldx; x++)
10951     for (y = 0; y < lev_fieldy; y++)
10952       FieldBackup[x][y] = Feld[x][y];
10953
10954   for (x = 0; x < lev_fieldx; x++)
10955     for (y = 0; y < lev_fieldy; y++)
10956       Feld[x][y] =
10957         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10958
10959   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10960   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10961 }
10962
10963 static void HandleDrawingAreas(struct GadgetInfo *gi)
10964 {
10965   static boolean started_inside_drawing_area = FALSE;
10966   int id = gi->custom_id;
10967   boolean button_press_event;
10968   boolean button_release_event;
10969   boolean inside_drawing_area = !gi->event.off_borders;
10970   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10971   int actual_drawing_function;
10972   int button = gi->event.button;
10973   int new_element = BUTTON_ELEMENT(button);
10974   int sx = gi->event.x, sy = gi->event.y;
10975   int min_sx = 0, min_sy = 0;
10976   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10977   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10978   int lx = 0, ly = 0;
10979   int min_lx = 0, min_ly = 0;
10980   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10981   int x, y;
10982
10983   /* handle info callback for each invocation of action callback */
10984   gi->callback_info(gi);
10985
10986   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10987   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10988
10989   /* make sure to stay inside drawing area boundaries */
10990   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10991   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10992
10993   if (draw_level)
10994   {
10995     /* get positions inside level field */
10996     lx = sx + level_xpos;
10997     ly = sy + level_ypos;
10998
10999     if (!IN_LEV_FIELD(lx, ly))
11000       inside_drawing_area = FALSE;
11001
11002     /* make sure to stay inside level field boundaries */
11003     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11004     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11005
11006     /* correct drawing area positions accordingly */
11007     sx = lx - level_xpos;
11008     sy = ly - level_ypos;
11009   }
11010
11011   if (button_press_event)
11012     started_inside_drawing_area = inside_drawing_area;
11013
11014   if (!started_inside_drawing_area)
11015     return;
11016
11017   if (!IS_VALID_BUTTON(button))
11018     return;
11019
11020   if (!button && !button_release_event)
11021     return;
11022
11023   /* automatically switch to 'single item' drawing mode, if needed */
11024   actual_drawing_function =
11025     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
11026      drawing_function : GADGET_ID_SINGLE_ITEMS);
11027
11028   /* clicking into drawing area with pressed Control key picks element */
11029   if (GetKeyModState() & KMOD_Control)
11030   {
11031     last_drawing_function = drawing_function;
11032     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11033   }
11034
11035   if (GetKeyModState() & KMOD_Shift)
11036   {
11037     if (button_press_event || button_release_event)
11038       ResetIntelliDraw();
11039   }
11040
11041   switch (actual_drawing_function)
11042   {
11043     case GADGET_ID_SINGLE_ITEMS:
11044       if (draw_level)
11045       {
11046         if (button_release_event)
11047         {
11048           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11049
11050           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
11051               !inside_drawing_area)
11052             DeleteBrushFromCursor();
11053         }
11054
11055         if (!button || button_release_event)
11056           break;
11057
11058         if (draw_with_brush)
11059         {
11060           CopyBrushToLevel(sx, sy, button);
11061         }
11062         else
11063         {
11064           if (new_element == EL_PLAYER_1)
11065           {
11066             /* remove player at old position */
11067             for (y = 0; y < lev_fieldy; y++)
11068               for (x = 0; x < lev_fieldx; x++)
11069                 if (Feld[x][y] == EL_PLAYER_1)
11070                   SetElement(x, y, EL_EMPTY);
11071           }
11072
11073           SetElementButton(lx, ly, new_element, button);
11074         }
11075       }
11076       else
11077       {
11078         int type_id = gi->custom_type_id;
11079         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11080
11081         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
11082           DrawMiniGraphicExt(drawto,
11083                              gi->x + sx * MINI_TILEX,
11084                              gi->y + sy * MINI_TILEY,
11085                              el2edimg(new_element));
11086         else
11087           DrawFixedGraphicExt(drawto,
11088                               gi->x + sx * TILEX,
11089                               gi->y + sy * TILEY,
11090                               el2edimg(new_element), 0);
11091
11092         if (id == GADGET_ID_CUSTOM_GRAPHIC)
11093           new_element = GFX_ELEMENT(new_element);
11094
11095         drawingarea_info[type_id].value[pos] = new_element;
11096
11097         CopyElementPropertiesToGame(properties_element);
11098
11099         if (id == GADGET_ID_CUSTOM_GRAPHIC)
11100         {
11101           UpdateCustomElementGraphicGadgets();
11102
11103           FrameCounter = 0;     /* restart animation frame counter */
11104         }
11105       }
11106       break;
11107
11108     case GADGET_ID_CONNECTED_ITEMS:
11109       {
11110         static int last_sx = -1;
11111         static int last_sy = -1;
11112
11113         if (button_release_event)
11114           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11115
11116         if (button)
11117         {
11118           if (!button_press_event)
11119             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
11120
11121           last_sx = sx;
11122           last_sy = sy;
11123         }
11124       }
11125       break;
11126
11127     case GADGET_ID_LINE:
11128     case GADGET_ID_ARC:
11129     case GADGET_ID_RECTANGLE:
11130     case GADGET_ID_FILLED_BOX:
11131     case GADGET_ID_GRAB_BRUSH:
11132     case GADGET_ID_TEXT:
11133       {
11134         static int last_sx = -1;
11135         static int last_sy = -1;
11136         static int start_sx = -1;
11137         static int start_sy = -1;
11138         void (*draw_func)(int, int, int, int, int, boolean);
11139
11140         if (drawing_function == GADGET_ID_LINE)
11141           draw_func = DrawLine;
11142         else if (drawing_function == GADGET_ID_ARC)
11143           draw_func = DrawArc;
11144         else if (drawing_function == GADGET_ID_RECTANGLE)
11145           draw_func = DrawBox;
11146         else if (drawing_function == GADGET_ID_FILLED_BOX)
11147           draw_func = DrawFilledBox;
11148         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
11149           draw_func = SelectArea;
11150         else /* (drawing_function == GADGET_ID_TEXT) */
11151           draw_func = SetTextCursor;
11152
11153         if (button_press_event)
11154         {
11155           draw_func(sx, sy, sx, sy, new_element, FALSE);
11156           start_sx = last_sx = sx;
11157           start_sy = last_sy = sy;
11158
11159           if (drawing_function == GADGET_ID_TEXT)
11160             DrawLevelText(0, 0, 0, TEXT_END);
11161         }
11162         else if (button_release_event)
11163         {
11164           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
11165           if (drawing_function == GADGET_ID_GRAB_BRUSH)
11166           {
11167             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
11168             CopyBrushToCursor(sx, sy);
11169             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11170                           MB_LEFTBUTTON);
11171             draw_with_brush = TRUE;
11172           }
11173           else if (drawing_function == GADGET_ID_TEXT)
11174             DrawLevelText(sx, sy, 0, TEXT_INIT);
11175           else
11176             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11177         }
11178         else if (last_sx != sx || last_sy != sy)
11179         {
11180           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
11181           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
11182           last_sx = sx;
11183           last_sy = sy;
11184         }
11185       }
11186       break;
11187
11188     case GADGET_ID_FLOOD_FILL:
11189       if (button_press_event && Feld[lx][ly] != new_element)
11190       {
11191         FloodFill(lx, ly, new_element);
11192         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11193         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11194       }
11195       break;
11196
11197     case GADGET_ID_PICK_ELEMENT:
11198       if (button_release_event)
11199         ClickOnGadget(level_editor_gadget[last_drawing_function],
11200                       MB_LEFTBUTTON);
11201       else if (draw_level)
11202         PickDrawingElement(button, Feld[lx][ly]);
11203       else
11204       {
11205         int type_id = gi->custom_type_id;
11206         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11207
11208         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
11209       }
11210
11211       break;
11212
11213     default:
11214       break;
11215   }
11216 }
11217
11218 static void HandleCounterButtons(struct GadgetInfo *gi)
11219 {
11220   int gadget_id = gi->custom_id;
11221   int counter_id = gi->custom_type_id;
11222   int button = gi->event.button;
11223   int *counter_value = counterbutton_info[counter_id].value;
11224   int step = BUTTON_STEPSIZE(button) *
11225     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
11226
11227   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
11228   {
11229     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
11230     boolean released = (gi->event.type == GD_EVENT_RELEASED);
11231     boolean level_changed = LevelChanged();
11232
11233     if ((level_changed && pressed) || (!level_changed && released))
11234       return;
11235
11236     if (level_changed && !Request("Level has changed! Discard changes?",
11237                                   REQ_ASK))
11238     {
11239       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
11240         ModifyEditorCounterValue(counter_id, *counter_value);
11241
11242       return;
11243     }
11244   }
11245
11246   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
11247     *counter_value = gi->textinput.number_value;
11248   else
11249     ModifyEditorCounterValue(counter_id, *counter_value + step);
11250
11251   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
11252   {
11253       LoadLevel(level_nr);
11254       LoadScore(level_nr);
11255
11256       TapeErase();
11257
11258       ResetUndoBuffer();
11259       DrawEditModeWindow();
11260
11261       return;
11262   }
11263
11264   switch (counter_id)
11265   {
11266     case ED_COUNTER_ID_YAMYAM_CONTENT:
11267       DrawYamYamContentAreas();
11268       break;
11269
11270     case ED_COUNTER_ID_BALL_CONTENT:
11271       DrawMagicBallContentAreas();
11272       break;
11273
11274     case ED_COUNTER_ID_ANDROID_CONTENT:
11275       DrawAndroidElementArea(properties_element);
11276       break;
11277
11278     case ED_COUNTER_ID_GROUP_CONTENT:
11279       DrawGroupElementArea(properties_element);
11280       CopyGroupElementPropertiesToGame(properties_element);
11281       break;
11282
11283     case ED_COUNTER_ID_INVENTORY_SIZE:
11284       DrawPlayerInitialInventoryArea(properties_element);
11285       break;
11286
11287     case ED_COUNTER_ID_ENVELOPE_XSIZE:
11288     case ED_COUNTER_ID_ENVELOPE_YSIZE:
11289       DrawEnvelopeTextArea(-1);
11290       break;
11291
11292     case ED_COUNTER_ID_LEVEL_XSIZE:
11293     case ED_COUNTER_ID_LEVEL_YSIZE:
11294       lev_fieldx = level.fieldx;
11295       lev_fieldy = level.fieldy;
11296
11297       /* check if resizing of level results in change of border border */
11298       SetBorderElement();
11299
11300       break;
11301
11302     default:
11303       break;
11304   }
11305
11306   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
11307        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
11308       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
11309        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
11310     CopyElementPropertiesToGame(properties_element);
11311
11312   level.changed = TRUE;
11313 }
11314
11315 static void HandleTextInputGadgets(struct GadgetInfo *gi)
11316 {
11317   int type_id = gi->custom_type_id;
11318
11319   strcpy(textinput_info[type_id].value, gi->textinput.value);
11320
11321   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
11322   {
11323     CopyElementPropertiesToGame(properties_element);
11324
11325     ModifyEditorElementList();  /* update changed button info text */
11326   }
11327
11328   level.changed = TRUE;
11329 }
11330
11331 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
11332 {
11333   int type_id = gi->custom_type_id;
11334
11335   strncpy(textarea_info[type_id].value, gi->textarea.value,
11336           MAX_ENVELOPE_TEXT_LEN);
11337   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
11338
11339   level.changed = TRUE;
11340 }
11341
11342 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
11343 {
11344   int type_id = gi->custom_type_id;
11345   int value_old = *selectbox_info[type_id].value;
11346   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
11347
11348   *selectbox_info[type_id].value = value_new;
11349
11350   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
11351   {
11352     element_info[properties_element].current_change_page = gi->selectbox.index;
11353
11354     DrawPropertiesWindow();
11355   }
11356   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
11357             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
11358            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
11359             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
11360            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
11361   {
11362     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
11363     {
11364       /* when changing action type, also check action mode and action arg */
11365       if (value_old != value_new)
11366         setSelectboxSpecialActionVariablesIfNeeded();
11367
11368       DrawPropertiesChange();
11369     }
11370
11371     CopyElementPropertiesToGame(properties_element);
11372
11373     level.changed = TRUE;
11374   }
11375 }
11376
11377 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
11378 {
11379   int type_id = gi->custom_type_id;
11380   int i;
11381
11382   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
11383       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
11384   {
11385     edit_mode_levelinfo = gi->custom_type_id;
11386
11387     DrawLevelInfoWindow();
11388   }
11389   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
11390            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
11391   {
11392     edit_mode_properties = gi->custom_type_id;
11393
11394     DrawPropertiesWindow();
11395   }
11396   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
11397   {
11398     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
11399
11400     /* backup original "level.field" (needed to track playfield changes) */
11401     CopyPlayfield(level.field, FieldBackup);
11402
11403     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
11404     CopyPlayfield(Feld, level.field);
11405
11406     if (new_template ||
11407         Request("Save this template and kill the old?", REQ_ASK))
11408       SaveLevelTemplate();
11409
11410     if (new_template)
11411       Request("Template saved!", REQ_CONFIRM);
11412
11413     /* restore original "level.field" (needed to track playfield changes) */
11414     CopyPlayfield(FieldBackup, level.field);
11415   }
11416   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
11417            custom_element.num_change_pages < MAX_CHANGE_PAGES)
11418   {
11419     struct ElementInfo *ei = &element_info[properties_element];
11420
11421     /* when modifying custom element, ask for copying level template */
11422     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
11423       return;
11424
11425     setElementChangePages(ei, ei->num_change_pages + 1);
11426
11427     /* set new change page to be new current change page */
11428     ei->current_change_page = ei->num_change_pages - 1;
11429     ei->change = &ei->change_page[ei->current_change_page];
11430
11431     setElementChangeInfoToDefaults(ei->change);
11432
11433     DrawPropertiesWindow();
11434
11435     level.changed = TRUE;
11436   }
11437   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
11438            custom_element.num_change_pages > MIN_CHANGE_PAGES)
11439   {
11440     struct ElementInfo *ei = &element_info[properties_element];
11441
11442     /* when modifying custom element, ask for copying level template */
11443     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
11444       return;
11445
11446     /* copy all change pages after change page to be deleted */
11447     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
11448       ei->change_page[i] = ei->change_page[i + 1];
11449
11450     setElementChangePages(ei, ei->num_change_pages - 1);
11451
11452     DrawPropertiesWindow();
11453
11454     level.changed = TRUE;
11455   }
11456 }
11457
11458 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
11459 {
11460   int type_id = gi->custom_type_id;
11461
11462   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
11463       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
11464   {
11465     struct ElementInfo *ei = &element_info[properties_element];
11466     int step = BUTTON_STEPSIZE(gi->event.button);
11467
11468     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
11469     ei->current_change_page += step;
11470
11471     if (ei->current_change_page < 0)
11472       ei->current_change_page = 0;
11473     else if (ei->current_change_page >= ei->num_change_pages)
11474       ei->current_change_page = ei->num_change_pages - 1;
11475
11476     DrawPropertiesWindow();
11477   }
11478   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
11479            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11480   {
11481     struct ElementInfo *ei = &element_info[properties_element];
11482     int current_change_page = ei->current_change_page;
11483
11484     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
11485     {
11486       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
11487         ei->change_page[current_change_page];
11488     }
11489     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11490     {
11491       /* when modifying custom element, ask for copying level template */
11492       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
11493         return;
11494
11495       ei->change_page[current_change_page] =
11496         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
11497
11498       level.changed = TRUE;
11499     }
11500
11501     DrawPropertiesWindow();
11502   }
11503 }
11504
11505 static void HandleRadiobuttons(struct GadgetInfo *gi)
11506 {
11507   *radiobutton_info[gi->custom_type_id].value =
11508     radiobutton_info[gi->custom_type_id].checked_value;
11509
11510   level.changed = TRUE;
11511 }
11512
11513 static void HandleCheckbuttons(struct GadgetInfo *gi)
11514 {
11515   int type_id = gi->custom_type_id;
11516
11517   *checkbutton_info[type_id].value ^= TRUE;
11518
11519   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11520       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11521       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11522       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11523          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11524         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11525          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11526        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11527   {
11528     CopyElementPropertiesToGame(properties_element);
11529   }
11530
11531   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11532   {
11533     UpdateCustomElementGraphicGadgets();
11534   }
11535   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11536   {
11537     if (level.use_custom_template &&
11538         !fileExists(getGlobalLevelTemplateFilename()))
11539     {
11540       Request("No level template found!", REQ_CONFIRM);
11541
11542       level.use_custom_template = FALSE;
11543
11544       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11545
11546       return;
11547     }
11548
11549     if (level.use_custom_template &&
11550         !Request("Discard changes and use level template?", REQ_ASK))
11551     {
11552       level.use_custom_template = FALSE;
11553
11554       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11555
11556       return;
11557     }
11558
11559     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11560
11561     DrawEditModeWindow();
11562   }
11563
11564   level.changed = TRUE;
11565 }
11566
11567 static void HandleControlButtons(struct GadgetInfo *gi)
11568 {
11569   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11570   static int last_edit_mode = ED_MODE_DRAWING;
11571   static int last_custom_copy_mode = -1;
11572   static int last_button = 0;
11573   int id = gi->custom_id;
11574   int button = gi->event.button;
11575   int step = BUTTON_STEPSIZE(button);
11576   int new_element = BUTTON_ELEMENT(button);
11577   int last_properties_element = properties_element;
11578   int x, y;
11579
11580   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11581     DrawLevelText(0, 0, 0, TEXT_END);
11582
11583   if (id < ED_NUM_CTRL1_BUTTONS &&
11584       id != GADGET_ID_SINGLE_ITEMS &&
11585       id != GADGET_ID_PICK_ELEMENT &&
11586       edit_mode != ED_MODE_DRAWING &&
11587       drawing_function != GADGET_ID_PICK_ELEMENT &&
11588       !(GetKeyModState() & KMOD_Control))
11589     ChangeEditModeWindow(ED_MODE_DRAWING);
11590
11591   /* element copy mode active, but no element button pressed => deactivate */
11592   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11593     last_custom_copy_mode = -1;
11594
11595   /* when showing palette on element buttons, change element of button used */
11596   if (editor.palette.show_on_element_buttons &&
11597       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
11598   {
11599     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
11600
11601     id = GADGET_ID_PALETTE;
11602   }
11603
11604   switch (id)
11605   {
11606     case GADGET_ID_SCROLL_LEFT:
11607       if (level_xpos >= 0)
11608       {
11609         if (lev_fieldx < ed_fieldx - 2)
11610           break;
11611
11612         level_xpos -= step;
11613         if (level_xpos < -1)
11614           level_xpos = -1;
11615         if (button == 1)
11616           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11617         else
11618           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11619
11620         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11621                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11622       }
11623       break;
11624
11625     case GADGET_ID_SCROLL_RIGHT:
11626       if (level_xpos <= lev_fieldx - ed_fieldx)
11627       {
11628         if (lev_fieldx < ed_fieldx - 2)
11629           break;
11630
11631         level_xpos += step;
11632         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11633           level_xpos = lev_fieldx - ed_fieldx + 1;
11634         if (button == 1)
11635           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11636         else
11637           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11638
11639         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11640                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11641       }
11642       break;
11643
11644     case GADGET_ID_SCROLL_UP:
11645       if (level_ypos >= 0)
11646       {
11647         if (lev_fieldy < ed_fieldy - 2)
11648           break;
11649
11650         level_ypos -= step;
11651         if (level_ypos < -1)
11652           level_ypos = -1;
11653         if (button == 1)
11654           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11655         else
11656           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11657
11658         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11659                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11660       }
11661       break;
11662
11663     case GADGET_ID_SCROLL_DOWN:
11664       if (level_ypos <= lev_fieldy - ed_fieldy)
11665       {
11666         if (lev_fieldy < ed_fieldy - 2)
11667           break;
11668
11669         level_ypos += step;
11670         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11671           level_ypos = lev_fieldy - ed_fieldy + 1;
11672         if (button == 1)
11673           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11674         else
11675           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11676
11677         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11678                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11679       }
11680       break;
11681
11682     case GADGET_ID_SCROLL_HORIZONTAL:
11683       level_xpos = gi->event.item_position - 1;
11684
11685       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11686       BackToFront();
11687
11688       break;
11689
11690     case GADGET_ID_SCROLL_VERTICAL:
11691       level_ypos = gi->event.item_position - 1;
11692
11693       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11694       BackToFront();
11695
11696       break;
11697
11698     case GADGET_ID_SCROLL_LIST_UP:
11699     case GADGET_ID_SCROLL_LIST_DOWN:
11700     case GADGET_ID_SCROLL_LIST_VERTICAL:
11701       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11702         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11703       else
11704       {
11705         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11706         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11707
11708         if (element_shift < 0)
11709           element_shift = 0;
11710         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11711           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11712
11713         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11714                      GDI_SCROLLBAR_ITEM_POSITION,
11715                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11716       }
11717
11718       ModifyEditorElementList();
11719
11720       break;
11721
11722     case GADGET_ID_PROPERTIES:
11723       // always switch off element properties when they are already displayed
11724       last_properties_element = new_element;
11725     case GADGET_ID_ELEMENT_LEFT:
11726     case GADGET_ID_ELEMENT_MIDDLE:
11727     case GADGET_ID_ELEMENT_RIGHT:
11728       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
11729                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
11730                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
11731                             new_element);
11732
11733       if (edit_mode != ED_MODE_PROPERTIES)
11734       {
11735         last_edit_mode = edit_mode;
11736
11737         ChangeEditModeWindow(ED_MODE_PROPERTIES);
11738
11739         last_level_drawing_function = drawing_function;
11740         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11741                       MB_LEFTBUTTON);
11742       }
11743       else if (properties_element != last_properties_element)
11744       {
11745         DrawEditModeWindow();
11746       }
11747       else
11748       {
11749         ChangeEditModeWindow(last_edit_mode);
11750
11751         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11752                       MB_LEFTBUTTON);
11753       }
11754       break;
11755
11756     case GADGET_ID_PALETTE:
11757       if (edit_mode != ED_MODE_PALETTE)
11758       {
11759         last_edit_mode = edit_mode;
11760
11761         ChangeEditModeWindow(ED_MODE_PALETTE);
11762       }
11763       else
11764       {
11765         ChangeEditModeWindow(last_edit_mode);
11766       }
11767       break;
11768
11769     case GADGET_ID_WRAP_LEFT:
11770       WrapLevel(-step, 0);
11771       break;
11772
11773     case GADGET_ID_WRAP_RIGHT:
11774       WrapLevel(step, 0);
11775       break;
11776
11777     case GADGET_ID_WRAP_UP:
11778       WrapLevel(0, -step);
11779       break;
11780
11781     case GADGET_ID_WRAP_DOWN:
11782       WrapLevel(0, step);
11783       break;
11784
11785     case GADGET_ID_SINGLE_ITEMS:
11786     case GADGET_ID_CONNECTED_ITEMS:
11787     case GADGET_ID_LINE:
11788     case GADGET_ID_ARC:
11789     case GADGET_ID_TEXT:
11790     case GADGET_ID_RECTANGLE:
11791     case GADGET_ID_FILLED_BOX:
11792     case GADGET_ID_FLOOD_FILL:
11793     case GADGET_ID_GRAB_BRUSH:
11794     case GADGET_ID_PICK_ELEMENT:
11795       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11796         last_drawing_function = drawing_function;
11797       drawing_function = id;
11798       draw_with_brush = FALSE;
11799       break;
11800
11801     case GADGET_ID_RANDOM_PLACEMENT:
11802       RandomPlacement(new_element);
11803       break;
11804
11805     case GADGET_ID_ZOOM:
11806       // zoom level editor tile size in or out (or reset to default size)
11807       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
11808                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
11809                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
11810
11811       // limit zoom level by upper and lower bound
11812       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
11813
11814       InitZoomLevelSettings();
11815
11816       if (edit_mode == ED_MODE_DRAWING)
11817         DrawDrawingWindow();
11818
11819       break;
11820
11821     case GADGET_ID_CUSTOM_COPY_FROM:
11822     case GADGET_ID_CUSTOM_COPY_TO:
11823     case GADGET_ID_CUSTOM_EXCHANGE:
11824       last_custom_copy_mode = id;
11825       last_drawing_function = drawing_function;
11826       break;
11827
11828     case GADGET_ID_CUSTOM_COPY:
11829       CopyCustomElement(properties_element, -1, id);
11830       break;
11831
11832     case GADGET_ID_CUSTOM_PASTE:
11833       CopyCustomElement(-1, properties_element, id);
11834       break;
11835
11836     case GADGET_ID_UNDO:
11837       if (button == 1 && undo_buffer_steps == 0)
11838       {
11839         Request("Undo buffer empty!", REQ_CONFIRM);
11840
11841         break;
11842       }
11843       else if (button == 2)
11844       {
11845         break;
11846       }
11847       else if (button == 3 && redo_buffer_steps == 0)
11848       {
11849         Request("Redo buffer empty!", REQ_CONFIRM);
11850
11851         break;
11852       }
11853
11854       if (edit_mode != ED_MODE_DRAWING)
11855         ChangeEditModeWindow(ED_MODE_DRAWING);
11856
11857       if (button == 1)
11858       {
11859         /* undo */
11860
11861         undo_buffer_position =
11862           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11863
11864         undo_buffer_steps--;
11865         redo_buffer_steps++;
11866       }
11867       else
11868       {
11869         /* redo */
11870
11871         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
11872
11873         undo_buffer_steps++;
11874         redo_buffer_steps--;
11875       }
11876
11877       for (x = 0; x < lev_fieldx; x++)
11878         for (y = 0; y < lev_fieldy; y++)
11879           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11880
11881       /* check if undo operation forces change of border style */
11882       CheckLevelBorderElement(FALSE);
11883
11884       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11885
11886       break;
11887
11888     case GADGET_ID_INFO:
11889       if (edit_mode != ED_MODE_INFO)
11890       {
11891         last_edit_mode = edit_mode;
11892
11893         ChangeEditModeWindow(ED_MODE_INFO);
11894       }
11895       else
11896       {
11897         ChangeEditModeWindow(last_edit_mode);
11898       }
11899       break;
11900
11901     case GADGET_ID_CLEAR:
11902       if (edit_mode != ED_MODE_DRAWING)
11903         ChangeEditModeWindow(ED_MODE_DRAWING);
11904
11905       for (x = 0; x < MAX_LEV_FIELDX; x++)
11906         for (y = 0; y < MAX_LEV_FIELDY; y++)
11907           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11908
11909       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11910
11911       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11912       break;
11913
11914     case GADGET_ID_SAVE:
11915     {
11916       /* saving read-only levels into personal level set modifies global vars
11917          "leveldir_current" and "level_nr"; restore them after saving level */
11918       LevelDirTree *leveldir_former = leveldir_current;
11919       int level_nr_former = level_nr;
11920       char *level_filename;
11921       boolean new_level;
11922
11923       if (leveldir_current->readonly &&
11924           !PrepareSavingIntoPersonalLevelSet())
11925         break;
11926
11927       level_filename = getDefaultLevelFilename(level_nr);
11928       new_level = !fileExists(level_filename);
11929
11930       if (new_level ||
11931           Request("Save this level and kill the old?", REQ_ASK))
11932       {
11933         if (leveldir_former->readonly)
11934           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11935
11936         CopyPlayfield(Feld, level.field);
11937         SaveLevel(level_nr);
11938
11939         level.changed = FALSE;
11940
11941         if (new_level)
11942         {
11943           char level_saved_msg[64];
11944
11945           if (leveldir_former->readonly)
11946             sprintf(level_saved_msg,
11947                     "Level saved as level %d into personal level set!",
11948                     level_nr);
11949           else
11950             strcpy(level_saved_msg, "Level saved!");
11951
11952           Request(level_saved_msg, REQ_CONFIRM);
11953         }
11954       }
11955
11956       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11957       leveldir_current = leveldir_former;
11958       level_nr = level_nr_former;
11959
11960       break;
11961     }
11962
11963     case GADGET_ID_TEST:
11964       if (LevelChanged())
11965         level.game_version = GAME_VERSION_ACTUAL;
11966
11967       CopyPlayfield(level.field, FieldBackup);
11968       CopyPlayfield(Feld, level.field);
11969
11970       CopyNativeLevel_RND_to_Native(&level);
11971
11972       UnmapLevelEditorGadgets();
11973       UndrawSpecialEditorDoor();
11974
11975       CloseDoor(DOOR_CLOSE_ALL);
11976
11977       /* needed before playing if editor playfield area has different size */
11978       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
11979
11980       // redraw_mask = REDRAW_ALL;
11981
11982       level_editor_test_game = TRUE;
11983
11984       StartGameActions(FALSE, setup.autorecord, level.random_seed);
11985
11986       break;
11987
11988     case GADGET_ID_EXIT:
11989       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11990       break;
11991
11992     default:
11993       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11994           id <= GADGET_ID_ELEMENTLIST_LAST)
11995       {
11996         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11997         int new_element = editor_elements[element_position + element_shift];
11998
11999         if (IS_EDITOR_CASCADE(new_element))
12000         {
12001           int i;
12002
12003           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
12004           {
12005             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
12006             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
12007
12008             if (*cascade_element == new_element)
12009             {
12010               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
12011               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
12012
12013               /* update element selection list */
12014               ReinitializeElementList();
12015               ModifyEditorElementList();
12016
12017               /* update cascading gadget info text */
12018               PrintEditorGadgetInfoText(level_editor_gadget[id]);
12019
12020               /* save current editor cascading state */
12021               SaveSetup_EditorCascade();
12022
12023               break;
12024             }
12025           }
12026
12027           break;
12028         }
12029
12030         if (last_custom_copy_mode != -1)
12031         {
12032           if (CopyCustomElement(properties_element, new_element,
12033                                 last_custom_copy_mode))
12034           {
12035             ClickOnGadget(level_editor_gadget[last_drawing_function],
12036                           MB_LEFTBUTTON);
12037
12038             last_custom_copy_mode = -1;
12039           }
12040
12041           break;
12042         }
12043
12044         /* change element of button used to show palette */
12045         if (editor.palette.show_on_element_buttons)
12046           button = last_button;
12047
12048         PickDrawingElement(button, new_element);
12049
12050         if (!stick_element_properties_window &&
12051             drawing_function != GADGET_ID_PICK_ELEMENT &&
12052             !(GetKeyModState() & KMOD_Control))
12053         {
12054           properties_element = new_element;
12055           if (edit_mode == ED_MODE_PROPERTIES)
12056             DrawPropertiesWindow();
12057         }
12058
12059         if (drawing_function == GADGET_ID_PICK_ELEMENT)
12060           ClickOnGadget(level_editor_gadget[last_drawing_function],
12061                         MB_LEFTBUTTON);
12062
12063         if (!use_permanent_palette)
12064           ChangeEditModeWindow(last_edit_mode);
12065       }
12066 #ifdef DEBUG
12067       else if (gi->event.type == GD_EVENT_PRESSED)
12068         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
12069       else if (gi->event.type == GD_EVENT_RELEASED)
12070         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
12071       else if (gi->event.type == GD_EVENT_MOVING)
12072         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
12073       else
12074         printf("default: HandleControlButtons: ? (id == %d)\n", id);
12075 #endif
12076       break;
12077   }
12078 }
12079
12080 void HandleLevelEditorKeyInput(Key key)
12081 {
12082   char letter = getCharFromKey(key);
12083   int button = MB_LEFTBUTTON;
12084
12085   if (drawing_function == GADGET_ID_TEXT &&
12086       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
12087   {
12088     if (letter)
12089       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
12090     else if (key == KSYM_Delete || key == KSYM_BackSpace)
12091       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
12092     else if (key == KSYM_Return)
12093       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
12094     else if (key == KSYM_Escape)
12095       DrawLevelText(0, 0, 0, TEXT_END);
12096   }
12097   else if (button_status == MB_RELEASED)
12098   {
12099     int id = GADGET_ID_NONE;
12100     int new_element_shift = element_shift;
12101     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
12102     int i;
12103
12104     switch (key)
12105     {
12106       case KSYM_Left:
12107         id = GADGET_ID_SCROLL_LEFT;
12108         break;
12109       case KSYM_Right:
12110         id = GADGET_ID_SCROLL_RIGHT;
12111         break;
12112       case KSYM_Up:
12113         id = GADGET_ID_SCROLL_UP;
12114         break;
12115       case KSYM_Down:
12116         id = GADGET_ID_SCROLL_DOWN;
12117         break;
12118
12119       case KSYM_Page_Up:
12120       case KSYM_Page_Down:
12121         step *= (key == KSYM_Page_Up ? -1 : +1);
12122         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
12123
12124         if (element_shift < 0)
12125           element_shift = 0;
12126         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
12127           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
12128
12129         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
12130                      GDI_SCROLLBAR_ITEM_POSITION,
12131                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
12132
12133         ModifyEditorElementList();
12134
12135         break;
12136
12137       case KSYM_Home:
12138       case KSYM_End:
12139         element_shift = (key == KSYM_Home ? 0 :
12140                          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_Insert:
12151       case KSYM_Delete:
12152
12153         /* this is needed to prevent interference with running "True X-Mouse" */
12154         if (GetKeyModStateFromEvents() & KMOD_Control)
12155           break;
12156
12157         /* check for last or next editor cascade block in element list */
12158         for (i = 0; i < num_editor_elements; i++)
12159         {
12160           if ((key == KSYM_Insert && i == element_shift) ||
12161               (key == KSYM_Delete && new_element_shift > element_shift))
12162             break;
12163
12164           /* jump to next cascade block (or to start of element list) */
12165           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
12166             new_element_shift = i;
12167         }
12168
12169         if (i < num_editor_elements)
12170           element_shift = new_element_shift;
12171
12172         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
12173           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
12174
12175         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
12176                      GDI_SCROLLBAR_ITEM_POSITION,
12177                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
12178
12179         ModifyEditorElementList();
12180
12181         break;
12182
12183       case KSYM_Escape:
12184         if (edit_mode == ED_MODE_DRAWING)
12185         {
12186           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
12187         }
12188         else if (edit_mode == ED_MODE_INFO)
12189         {
12190           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
12191         }
12192         else if (edit_mode == ED_MODE_PROPERTIES)
12193         {
12194           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
12195         }
12196         else if (edit_mode == ED_MODE_PALETTE)
12197         {
12198           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
12199         }
12200         else            /* should never happen */
12201         {
12202           ChangeEditModeWindow(ED_MODE_DRAWING);
12203         }
12204
12205         break;
12206
12207       default:
12208         break;
12209     }
12210
12211     if (id != GADGET_ID_NONE)
12212       ClickOnGadget(level_editor_gadget[id], button);
12213     else if (letter == '1' || letter == '?')
12214       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
12215     else if (letter == '2')
12216       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
12217     else if (letter == '3')
12218       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
12219     else if (letter == '.')
12220       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
12221     else if (letter == 'U')
12222       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
12223     else if (letter == '-' || key == KSYM_KP_Subtract)
12224       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
12225     else if (letter == '0' || key == KSYM_KP_0)
12226       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
12227     else if (letter == '+' || key == KSYM_KP_Add ||
12228              letter == '=')     // ("Shift-=" is "+" on US keyboards)
12229       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
12230     else if (key == KSYM_Return ||
12231              key == KSYM_space ||
12232              key == setup.shortcut.toggle_pause)
12233       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
12234     else
12235       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
12236         if (letter && letter == controlbutton_info[i].shortcut)
12237           if (!anyTextGadgetActive())
12238             ClickOnGadget(level_editor_gadget[i], button);
12239   }
12240 }
12241
12242 void HandleLevelEditorIdle()
12243 {
12244   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12245   int x = editor.settings.element_graphic.x + element_border;
12246   int y = editor.settings.element_graphic.y + element_border;
12247   static unsigned int action_delay = 0;
12248   unsigned int action_delay_value = GameFrameDelay;
12249   int i;
12250
12251   if (edit_mode != ED_MODE_PROPERTIES)
12252     return;
12253
12254   if (!DelayReached(&action_delay, action_delay_value))
12255     return;
12256
12257   for (i = 0; i < ED_NUM_SELECTBOX; i++)
12258   {
12259     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
12260
12261     if (gi->mapped && gi->active && gi->selectbox.open)
12262       return;
12263   }
12264
12265   DrawEditorElementAnimation(SX + x, SY + y);
12266
12267   redraw_mask |= REDRAW_FIELD;
12268
12269   FrameCounter++;       /* increase animation frame counter */
12270 }
12271
12272 void ClearEditorGadgetInfoText()
12273 {
12274   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
12275 }
12276
12277 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
12278 {
12279   char infotext[MAX_OUTPUT_LINESIZE + 1];
12280   char shortcut[MAX_OUTPUT_LINESIZE + 1];
12281   int max_infotext_len = getMaxInfoTextLength();
12282
12283   if (gi == NULL || strlen(gi->info_text) == 0)
12284     return;
12285
12286   strncpy(infotext, gi->info_text, max_infotext_len);
12287   infotext[max_infotext_len] = '\0';
12288
12289   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
12290   {
12291     int key = controlbutton_info[gi->custom_id].shortcut;
12292
12293     if (key)
12294     {
12295       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
12296         sprintf(shortcut, " ('.' or '%c')", key);
12297       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
12298         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
12299       else if (gi->custom_id == GADGET_ID_TEST)
12300         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
12301       else if (gi->custom_id == GADGET_ID_UNDO)
12302         sprintf(shortcut, " ('%c/Shift-U')", key);
12303       else if (gi->custom_id == GADGET_ID_ZOOM)
12304         sprintf(shortcut, " ('%c', '0', '+')", key);
12305       else
12306         sprintf(shortcut, " ('%s%c')",
12307                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
12308
12309       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
12310         strcat(infotext, shortcut);
12311     }
12312   }
12313
12314   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
12315 }
12316
12317 void HandleEditorGadgetInfoText(void *ptr)
12318 {
12319   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
12320
12321   if (game_status != GAME_MODE_EDITOR)
12322     return;
12323
12324   ClearEditorGadgetInfoText();
12325
12326   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
12327     return;
12328
12329   /* misuse this function to delete brush cursor, if needed */
12330   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
12331     DeleteBrushFromCursor();
12332
12333   PrintEditorGadgetInfoText(gi);
12334 }
12335
12336 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
12337 {
12338   static int start_lx, start_ly;
12339   int id = gi->custom_id;
12340   int type_id = gi->custom_type_id;
12341   int sx = gi->event.x;
12342   int sy = gi->event.y;
12343   int lx = sx + level_xpos;
12344   int ly = sy + level_ypos;
12345   int min_sx = 0, min_sy = 0;
12346   int max_sx = gi->drawing.area_xsize - 1;
12347   int max_sy = gi->drawing.area_ysize - 1;
12348   int actual_drawing_function = drawing_function;
12349   int max_infotext_len = getMaxInfoTextLength();
12350   char infotext[MAX_OUTPUT_LINESIZE + 1];
12351   char *text;
12352
12353   infotext[0] = '\0';           /* start with empty info text */
12354
12355   /* pressed Control key: simulate picking element */
12356   if (GetKeyModState() & KMOD_Control)
12357     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12358
12359   ClearEditorGadgetInfoText();
12360
12361   if (gi->event.type == GD_EVENT_INFO_LEAVING)
12362     return;
12363
12364   /* make sure to stay inside drawing area boundaries */
12365   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12366   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12367
12368   if (id == GADGET_ID_DRAWING_LEVEL)
12369   {
12370     if (button_status)
12371     {
12372       int min_lx = 0, min_ly = 0;
12373       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12374
12375       /* get positions inside level field */
12376       lx = sx + level_xpos;
12377       ly = sy + level_ypos;
12378
12379       /* make sure to stay inside level field boundaries */
12380       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12381       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12382
12383       /* correct drawing area positions accordingly */
12384       sx = lx - level_xpos;
12385       sy = ly - level_ypos;
12386     }
12387
12388     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
12389     {
12390       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
12391       {
12392         if (gi->event.type == GD_EVENT_PRESSED)
12393         {
12394           start_lx = lx;
12395           start_ly = ly;
12396         }
12397
12398         switch (actual_drawing_function)
12399         {
12400           case GADGET_ID_SINGLE_ITEMS:
12401             text = "Drawing single items";
12402             break;
12403           case GADGET_ID_CONNECTED_ITEMS:
12404             text = "Drawing connected items";
12405             break;
12406           case GADGET_ID_LINE:
12407             text = "Drawing line";
12408             break;
12409           case GADGET_ID_ARC:
12410             text = "Drawing arc";
12411             break;
12412           case GADGET_ID_TEXT:
12413             text = "Setting text cursor";
12414             break;
12415           case GADGET_ID_RECTANGLE:
12416             text = "Drawing rectangle";
12417             break;
12418           case GADGET_ID_FILLED_BOX:
12419             text = "Drawing filled box";
12420             break;
12421           case GADGET_ID_FLOOD_FILL:
12422             text = "Flood fill";
12423             break;
12424           case GADGET_ID_GRAB_BRUSH:
12425             text = "Grabbing brush";
12426             break;
12427           case GADGET_ID_PICK_ELEMENT:
12428             text = "Picking element";
12429             break;
12430
12431           default:
12432             text = "Drawing position";
12433             break;
12434         }
12435
12436         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12437           sprintf(infotext, "%s: %d, %d", text, lx, ly);
12438         else
12439           sprintf(infotext, "%s: %d, %d", text,
12440                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
12441       }
12442       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12443         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
12444       else
12445         sprintf(infotext, "Level position: %d, %d", lx, ly);
12446     }
12447
12448     /* misuse this function to draw brush cursor, if needed */
12449     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
12450     {
12451       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12452         CopyBrushToCursor(sx, sy);
12453       else
12454         DeleteBrushFromCursor();
12455     }
12456   }
12457   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12458   {
12459     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12460     int element = drawingarea_info[type_id].value[pos];
12461
12462     strncpy(infotext, getElementInfoText(element), max_infotext_len);
12463   }
12464   else
12465   {
12466     if (id == GADGET_ID_CUSTOM_CONTENT)
12467       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
12468     else if (id == GADGET_ID_GROUP_CONTENT)
12469       sprintf(infotext, "group element position: %d", sx + 1);
12470     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
12471              id <= GADGET_ID_YAMYAM_CONTENT_7)
12472       sprintf(infotext, "content area %d position: %d, %d",
12473               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
12474     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
12475              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
12476       sprintf(infotext, "content area %d position: %d, %d",
12477               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
12478     else if (id == GADGET_ID_ANDROID_CONTENT)
12479       sprintf(infotext, "android element position: %d", sx + 1);
12480     else if (drawingarea_info[type_id].infotext != NULL)
12481       strcpy(infotext, drawingarea_info[type_id].infotext);
12482   }
12483
12484   infotext[max_infotext_len] = '\0';
12485
12486   if (strlen(infotext) > 0)
12487     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
12488 }
12489
12490 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
12491                             boolean quick_quit)
12492 {
12493   if (!ask_if_level_has_changed ||
12494       !LevelChanged() ||
12495       Request("Level has changed! Exit without saving?",
12496               REQ_ASK | REQ_STAY_OPEN))
12497   {
12498     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
12499     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
12500
12501     /* draw normal door */
12502     UndrawSpecialEditorDoor();
12503
12504     // close editor doors if viewport definition is the same as in main menu
12505     if (vp_door_1->x      == DX     &&
12506         vp_door_1->y      == DY     &&
12507         vp_door_1->width  == DXSIZE &&
12508         vp_door_1->height == DYSIZE &&
12509         vp_door_2->x      == VX     &&
12510         vp_door_2->y      == VY     &&
12511         vp_door_2->width  == VXSIZE &&
12512         vp_door_2->height == VYSIZE)
12513       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
12514     else
12515       SetDoorState(DOOR_CLOSE_2);
12516
12517     BackToFront();
12518
12519     if (quick_quit)
12520       FadeSkipNextFadeIn();
12521
12522     SetGameStatus(GAME_MODE_MAIN);
12523
12524     DrawMainMenu();
12525   }
12526   else
12527   {
12528     if (!global.use_envelope_request)
12529     {
12530       CloseDoor(DOOR_CLOSE_1);
12531       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
12532     }
12533   }
12534 }