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
  36 #define ED_CTRL1_BUTTONS_VERT           4
  37 #define ED_CTRL2_BUTTONS_HORIZ          3
  38 #define ED_CTRL2_BUTTONS_VERT           2
  39 #define ED_CTRL3_BUTTONS_HORIZ          3
  40 #define ED_CTRL3_BUTTONS_VERT           1
  41 #define ED_CTRL4_BUTTONS_HORIZ          2
  42 #define ED_CTRL4_BUTTONS_VERT           1
  43 #define ED_CTRL5_BUTTONS_HORIZ          1
  44 #define ED_CTRL5_BUTTONS_VERT           1
  45
  46 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  47 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  48 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  49 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  50 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  51 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  52 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  53 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  54 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  55
  56 /* values for the element list */
  57 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  58 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  59 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  60 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  61 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (editor.palette.cols)
  62 #define ED_ELEMENTLIST_BUTTONS_VERT     (editor.palette.rows)
  63 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  64                                          ED_ELEMENTLIST_BUTTONS_VERT)
  65
  66 /* standard distances */
  67 #define ED_BORDER_SIZE                  3
  68 #define ED_BORDER_AREA_YSIZE            1
  69
  70 #define ED_GADGET_DISTANCE              2
  71 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
  72 #define ED_GADGET_LINE_DISTANCE         (2 * ED_GADGET_DISTANCE)
  73 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  74                                          MINI_TILEX / 2)
  75
  76 /* values for the settings windows */
  77 #define ED_SETTINGS1_YPOS               MINI_TILEY
  78
  79 #define ED_ELEMENT_SETTINGS_ELEM_XPOS   (2 * MINI_TILEX)
  80 #define ED_ELEMENT_SETTINGS_ELEM_YPOS   (4 * MINI_TILEY + MINI_TILEY / 2)
  81
  82 /* values for checkbutton gadgets */
  83 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  84 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  85
  86 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  87 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  88
  89 #define ED_TAB_BAR_HEIGHT               ED_GADGET_DISTANCE
  90
  91 #define ED_LEVEL_SETTINGS_BASE_XSTART   (3 * MINI_TILEX / 2)
  92 #define ED_LEVEL_SETTINGS_BASE_YSTART   (9 * MINI_TILEY / 2)
  93 #define ED_ELEMENT_SETTINGS_BASE_XSTART (3 * MINI_TILEX / 2)
  94 #define ED_ELEMENT_SETTINGS_BASE_YSTART (9 * MINI_TILEY)
  95
  96 #define ED_LEVEL_SETTINGS_XSTART        (ED_LEVEL_SETTINGS_BASE_XSTART)
  97 #define ED_LEVEL_SETTINGS_YSTART        (ED_LEVEL_SETTINGS_BASE_YSTART + \
  98                                          ED_TABBUTTON_YSIZE +            \
  99                                          ED_TAB_BAR_HEIGHT +             \
 100                                          ED_GADGET_DISTANCE +            \
 101                                          getFontHeight(FONT_TEXT_1) +    \
 102                                          ED_GADGET_DISTANCE)
 103 #define ED_ELEMENT_SETTINGS_XSTART      (ED_ELEMENT_SETTINGS_BASE_XSTART)
 104 #define ED_ELEMENT_SETTINGS_YSTART      (ED_ELEMENT_SETTINGS_BASE_YSTART + \
 105                                          getFontHeight(FONT_INPUT_2) +     \
 106                                          ED_GADGET_DISTANCE)
 107
 108 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 109                                          ED_GADGET_TEXT_DISTANCE)
 110 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 111                                          ED_GADGET_LINE_DISTANCE)
 112
 113 #define ED_POS_LEVEL_SETTINGS_RANGE     (10000)
 114 #define ED_POS_LEVEL_SETTINGS_FIRST     (1 * ED_POS_LEVEL_SETTINGS_RANGE)
 115 #define ED_POS_LEVEL_SETTINGS_LAST      (2 * ED_POS_LEVEL_SETTINGS_RANGE - 1)
 116 #define ED_POS_ELEMENT_SETTINGS_FIRST   (2 * ED_POS_LEVEL_SETTINGS_RANGE)
 117 #define ED_POS_ELEMENT_SETTINGS_LAST    (3 * ED_POS_LEVEL_SETTINGS_RANGE - 1)
 118
 119 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 120 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 121
 122 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 123 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 124
 125 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 126                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 127 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 128                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 129
 130 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 131 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 132
 133 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 134                                          (n) * ED_SETTINGS_XOFFSET)
 135 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 136                                          (n) * ED_SETTINGS_YOFFSET)
 137
 138 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 139                                          (n) * ED_SETTINGS_XOFFSET)
 140 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 141                                          (n) * ED_SETTINGS_YOFFSET)
 142
 143 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 144   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 145 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 146   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 147
 148 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 149   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 150 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 151   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 152
 153 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_SETTINGS(n) ?     \
 154                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 155                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 156                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 157 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_SETTINGS(n) ?     \
 158                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 159                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 160                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 161
 162 #define ED_AREA_XOFFSET                (0)
 163 #define ED_AREA_YOFFSET                ((ED_CHECKBUTTON_YSIZE - MINI_TILEY) / 2)
 164
 165 #define ED_AREA_SETTINGS_X(i)           (ED_SETTINGS_X((i).x) + (i).xoffset + \
 166                                          ((i).x != 0 ? ED_AREA_XOFFSET : 0))
 167 #define ED_AREA_SETTINGS_Y(i)           (ED_SETTINGS_Y((i).y) + (i).yoffset + \
 168                                          ((i).y != 0 ? ED_AREA_YOFFSET : 0))
 169
 170 #define ED_LEVEL_SETTINGS_TABS_XPOS     (ED_LEVEL_SETTINGS_BASE_XSTART)
 171 #define ED_LEVEL_SETTINGS_TABS_YPOS     (4 * MINI_TILEY)
 172 #define ED_ELEMENT_SETTINGS_TABS_XPOS   (ED_ELEMENT_SETTINGS_BASE_XSTART)
 173 #define ED_ELEMENT_SETTINGS_TABS_YPOS   (8 * MINI_TILEY)
 174
 175 /* values for element content drawing areas */
 176 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 177 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 178 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 179 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 180
 181 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 182 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 183 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 184 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 185
 186 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 187 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 188 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 189 #define ED_AREA_3X3_SETTINGS_YOFF       (-MINI_TILEY)
 190
 191 /* element content */
 192 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (MINI_TILEX / 2 +               \
 193                                          5 * ((n) % 4) * MINI_TILEX)
 194 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (MINI_TILEY / 2 +               \
 195                                          6 * ((n) / 4) * MINI_TILEY)
 196 /* yamyam content */
 197 #define ED_XPOS_YAM                     0
 198 #define ED_YPOS_YAM                     4
 199 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 200 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 201 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 202 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 203 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 204                                          ED_AREA_YAMYAM_CONTENT_XOFF(n))
 205 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 206                                          ED_AREA_YAMYAM_CONTENT_YOFF(n))
 207
 208 /* magic ball content */
 209 #define ED_XPOS_BALL                    0
 210 #define ED_YPOS_BALL                    5
 211 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 212 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 213 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 214 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 215 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 216                                          ED_AREA_MAGIC_BALL_CONTENT_XOFF(n))
 217 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 218                                          ED_AREA_MAGIC_BALL_CONTENT_YOFF(n))
 219
 220 /* values for scrolling gadgets for drawing area */
 221 #define ED_SCROLLBUTTON_XSIZE           16
 222 #define ED_SCROLLBUTTON_YSIZE           16
 223
 224 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 225 #define ED_SCROLL_UP_YPOS               (0)
 226 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 227 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 228 #define ED_SCROLL_LEFT_XPOS             (0)
 229 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 230 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 231 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 232 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 233                                          ED_SCROLLBUTTON_XSIZE)
 234 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 235 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 236 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 237 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 238 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 239                                          ED_SCROLLBUTTON_YSIZE)
 240 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 241 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 242
 243 /* values for scrolling gadgets for element list */
 244 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 245 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 246
 247 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 248                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 249                                          ED_ELEMENTLIST_XSIZE)
 250 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 251 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 252 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 253                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 254                                          ED_ELEMENTLIST_YSIZE -         \
 255                                          ED_SCROLLBUTTON2_YSIZE)
 256 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 257 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 258                                          ED_SCROLLBUTTON2_YSIZE)
 259 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 260 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 261                                          ED_ELEMENTLIST_YSIZE -         \
 262                                          2 * ED_SCROLLBUTTON2_YSIZE)
 263
 264 /* values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText() */
 265 #define INFOTEXT_FONT                   FONT_TEXT_2
 266 #define INFOTEXT_XSIZE                  SXSIZE
 267 #define INFOTEXT_YSIZE                  getFontHeight(INFOTEXT_FONT)
 268 #define INFOTEXT_YSIZE_FULL             (INFOTEXT_YSIZE + ED_GADGET_DISTANCE)
 269 #define INFOTEXT_XPOS                   SX
 270 #define INFOTEXT_YPOS                   (SY + SYSIZE - INFOTEXT_YSIZE)
 271
 272
 273 /*
 274   -----------------------------------------------------------------------------
 275   editor gadget definitions
 276   -----------------------------------------------------------------------------
 277 */
 278
 279 /* drawing toolbox buttons */
 280 #define GADGET_ID_NONE                  -1
 281 #define GADGET_ID_TOOLBOX_FIRST         0
 282
 283 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 284 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 285 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 286 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 287 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 288 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 289 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 290 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 291 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 292 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 293 #define GADGET_ID_ZOOM                  (GADGET_ID_TOOLBOX_FIRST + 10)
 294 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 295 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 296 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 297 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 298 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 299
 300 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 301 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 302 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 303 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 304 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 305 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 306
 307 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 308 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 309 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 310 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 311 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 312
 313 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 27)
 314
 315 /* counter gadget identifiers */
 316 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 28)
 317
 318 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 319 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 320 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 321 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 322 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 323 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 324 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 325 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 326 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 327 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 328 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 329 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 330 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 331 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 332 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 333 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 334 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 335 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 336 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 337 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 338 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 339 #define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
 340 #define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
 341 #define GADGET_ID_LEVEL_RANDOM_SEED_UP  (GADGET_ID_COUNTER_FIRST + 23)
 342 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 24)
 343 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 25)
 344 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 26)
 345 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 346 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 347 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 29)
 348 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 349 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 350 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 32)
 351 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 352 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 353 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 35)
 354 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 355 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 356 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 38)
 357 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 39)
 358 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 40)
 359 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 41)
 360 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 42)
 361 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 43)
 362 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 44)
 363 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 364 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 365 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 47)
 366 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 367 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 368 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 369 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 370 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 371 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 372 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 54)
 373 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 55)
 374 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 56)
 375 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 376 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 377 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 59)
 378 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 60)
 379 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 61)
 380 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 62)
 381 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 382 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 383 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 65)
 384 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 66)
 385 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 67)
 386 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 68)
 387 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 388 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 389 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 71)
 390 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 391 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 392 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 74)
 393 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 394 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 395 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 77)
 396 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 397 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 398 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 80)
 399 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 400 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 401 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 83)
 402 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 84)
 403 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 85)
 404 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 86)
 405 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 87)
 406 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 88)
 407 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 89)
 408 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 90)
 409 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 91)
 410 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 92)
 411 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 412 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 413 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 95)
 414 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 96)
 415 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 97)
 416 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 98)
 417 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 99)
 418 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 100)
 419 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 101)
 420
 421 /* drawing area identifiers */
 422 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 102)
 423
 424 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 425 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 426 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 427 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 428 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 429 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 430 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 431 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 432 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 433 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 434 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 435 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 436 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 437 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 438 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 439 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 440 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 441 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 442 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 443 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 444 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 445 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 446 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 447 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 448 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 449 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 450 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 451 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 452 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 453 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 454 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 455 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 456 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 457
 458 /* text input identifiers */
 459 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 460
 461 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 462 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 463 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 464
 465 /* text area identifiers */
 466 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 467
 468 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 469
 470 /* selectbox identifiers */
 471 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 472
 473 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 474 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 475 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 2)
 476 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 3)
 477 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 4)
 478 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 5)
 479 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 6)
 480 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 7)
 481 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 8)
 482 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 9)
 483 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 10)
 484 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 11)
 485 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 12)
 486 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 13)
 487 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 14)
 488 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 15)
 489 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 16)
 490 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 17)
 491 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 18)
 492 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 19)
 493 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 20)
 494 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 21)
 495 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 22)
 496 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 23)
 497 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 24)
 498 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 25)
 499 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 26)
 500 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 27)
 501 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 28)
 502
 503 /* textbutton identifiers */
 504 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 29)
 505
 506 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 507 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 1)
 508 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 2)
 509 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 3)
 510 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 4)
 511 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 512 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 6)
 513 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 7)
 514 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 8)
 515 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 9)
 516
 517 /* graphicbutton identifiers */
 518 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 10)
 519
 520 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 521 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 522 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 523 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 524
 525 /* gadgets for scrolling of drawing area */
 526 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 527
 528 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 529 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 530 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 531 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 532 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 533 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 534
 535 /* gadgets for scrolling element list */
 536 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 537
 538 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 539 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 540 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 541
 542 /* checkbuttons/radiobuttons for level/element properties */
 543 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 544
 545 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 546 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 547 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 548 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 3)
 549 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 4)
 550 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 5)
 551 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 6)
 552 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 7)
 553 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 554 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 9)
 555 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 556 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 11)
 557 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 12)
 558 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 13)
 559 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 560 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 15)
 561 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 16)
 562 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 563 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 18)
 564 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 565 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 20)
 566 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 21)
 567 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 22)
 568 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 569 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 24)
 570 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 25)
 571 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 26)
 572 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 27)
 573 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 574 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 29)
 575 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 30)
 576 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 31)
 577 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 32)
 578 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 33)
 579 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 34)
 580 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 35)
 581 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 36)
 582 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 37)
 583 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 38)
 584 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 39)
 585 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 40)
 586 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 41)
 587 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 42)
 588 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 43)
 589 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 44)
 590 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 45)
 591 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 46)
 592 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 47)
 593 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 48)
 594 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 49)
 595 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 50)
 596 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 51)
 597 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 52)
 598 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 53)
 599
 600 /* gadgets for buttons in element list */
 601 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 54)
 602 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 603                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 604
 605 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 606
 607 /* radio button numbers */
 608 #define RADIO_NR_NONE                   0
 609 #define RADIO_NR_DRAWING_TOOLBOX        1
 610 #define RADIO_NR_RANDOM_ELEMENTS        2
 611
 612 /* values for counter gadgets */
 613 #define ED_COUNTER_ID_SELECT_LEVEL      0
 614 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 615 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 616 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 617 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 618 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 619 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 620 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 621 #define ED_COUNTER_ID_ELEMENT_VALUE1    8
 622 #define ED_COUNTER_ID_ELEMENT_VALUE2    9
 623 #define ED_COUNTER_ID_ELEMENT_VALUE3    10
 624 #define ED_COUNTER_ID_ELEMENT_VALUE4    11
 625 #define ED_COUNTER_ID_YAMYAM_CONTENT    12
 626 #define ED_COUNTER_ID_BALL_CONTENT      13
 627 #define ED_COUNTER_ID_ANDROID_CONTENT   14
 628 #define ED_COUNTER_ID_ENVELOPE_XSIZE    15
 629 #define ED_COUNTER_ID_ENVELOPE_YSIZE    16
 630 #define ED_COUNTER_ID_INVENTORY_SIZE    17
 631 #define ED_COUNTER_ID_CUSTOM_SCORE      18
 632 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   19
 633 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  20
 634 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  21
 635 #define ED_COUNTER_ID_PUSH_DELAY_FIX    22
 636 #define ED_COUNTER_ID_PUSH_DELAY_RND    23
 637 #define ED_COUNTER_ID_DROP_DELAY_FIX    24
 638 #define ED_COUNTER_ID_DROP_DELAY_RND    25
 639 #define ED_COUNTER_ID_MOVE_DELAY_FIX    26
 640 #define ED_COUNTER_ID_MOVE_DELAY_RND    27
 641 #define ED_COUNTER_ID_EXPLOSION_DELAY   28
 642 #define ED_COUNTER_ID_IGNITION_DELAY    29
 643 #define ED_COUNTER_ID_GROUP_CONTENT     30
 644 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  31
 645 #define ED_COUNTER_ID_CHANGE_DELAY_RND  32
 646 #define ED_COUNTER_ID_CHANGE_CONT_RND   33
 647
 648 #define ED_NUM_COUNTERBUTTONS           34
 649
 650 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 651 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 652 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 653 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 654
 655 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 656 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 657 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 658 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 659 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 660 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 661
 662 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 663 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 664
 665 /* values for scrollbutton gadgets */
 666 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 667 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 668 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 669 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 670 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 671 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 672
 673 #define ED_NUM_SCROLLBUTTONS            6
 674
 675 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 676 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 677
 678 /* values for scrollbar gadgets */
 679 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 680 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 681 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 682
 683 #define ED_NUM_SCROLLBARS               3
 684
 685 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 686 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 687
 688 /* values for text input gadgets */
 689 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 690 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 691 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 692
 693 #define ED_NUM_TEXTINPUT                3
 694
 695 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 696 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 697
 698 /* values for text area gadgets */
 699 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 700
 701 #define ED_NUM_TEXTAREAS                        1
 702
 703 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 704 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 705
 706 /* values for selectbox gadgets */
 707 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 708 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 709 #define ED_SELECTBOX_ID_WIND_DIRECTION          2
 710 #define ED_SELECTBOX_ID_PLAYER_SPEED            3
 711 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      4
 712 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     5
 713 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 6
 714 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 7
 715 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   8
 716 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     9
 717 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   10
 718 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    11
 719 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  12
 720 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    13
 721 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    14
 722 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       15
 723 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   16
 724 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       17
 725 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    18
 726 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     19
 727 #define ED_SELECTBOX_ID_CHANGE_SIDE             20
 728 #define ED_SELECTBOX_ID_CHANGE_PLAYER           21
 729 #define ED_SELECTBOX_ID_CHANGE_PAGE             22
 730 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     23
 731 #define ED_SELECTBOX_ID_ACTION_TYPE             24
 732 #define ED_SELECTBOX_ID_ACTION_MODE             25
 733 #define ED_SELECTBOX_ID_ACTION_ARG              26
 734 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      27
 735 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       28
 736
 737 #define ED_NUM_SELECTBOX                        29
 738
 739 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 740 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_WIND_DIRECTION
 741
 742 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 743 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 744 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 745 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 746 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 747 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 748
 749 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 750 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 751
 752 /* values for textbutton gadgets */
 753 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 754 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       1
 755 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        2
 756 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      3
 757 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    4
 758 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    5
 759 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      6
 760 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       7
 761 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        8
 762 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        9
 763
 764 #define ED_NUM_TEXTBUTTONS                      10
 765
 766 #define ED_TEXTBUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 767 #define ED_TEXTBUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 768
 769 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 770 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 771
 772 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 773 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 774
 775 /* values for graphicbutton gadgets */
 776 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 777 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 778 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 779 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 780
 781 #define ED_NUM_GRAPHICBUTTONS                   4
 782
 783 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 784 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 785
 786 /* values for checkbutton gadgets */
 787 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     0
 788 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         1
 789 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      2
 790 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   3
 791 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        4
 792 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      5
 793 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   6
 794 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    7
 795 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    8
 796 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     9
 797 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   10
 798 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      11
 799 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      12
 800 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   13
 801 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    14
 802 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    15
 803 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     16
 804 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   17
 805 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 18
 806 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       19
 807 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 20
 808 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  21
 809 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    22
 810 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    23
 811 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     24
 812 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     25
 813 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     26
 814 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    27
 815 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   28
 816 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     29
 817 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 30
 818 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 31
 819 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 32
 820 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 33
 821 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       34
 822 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       35
 823 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      36
 824 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       37
 825 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         38
 826 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    39
 827 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   40
 828 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  41
 829 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 42
 830 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     43
 831 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          44
 832 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  45
 833 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   46
 834 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  47
 835 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    48
 836 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  49
 837 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     50
 838 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     51
 839
 840 #define ED_NUM_CHECKBUTTONS                     52
 841
 842 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 843 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 844
 845 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 846 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 847 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 848 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 849 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 850 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 851
 852 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 853 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 854
 855 /* values for radiobutton gadgets */
 856 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 857 #define ED_RADIOBUTTON_ID_QUANTITY      1
 858
 859 #define ED_NUM_RADIOBUTTONS             2
 860
 861 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 862 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 863
 864 /* values for drawing area gadgets */
 865 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 866 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 867 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 868 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
 869 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
 870 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
 871 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
 872 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
 873 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
 874 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
 875 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
 876 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
 877 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
 878 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
 879 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
 880 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
 881 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
 882 #define ED_DRAWING_ID_ANDROID_CONTENT           17
 883 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
 884 #define ED_DRAWING_ID_START_ELEMENT             19
 885 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
 886 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
 887 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
 888 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
 889 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
 890 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
 891 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
 892 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
 893 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
 894 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
 895 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
 896 #define ED_DRAWING_ID_GROUP_CONTENT             31
 897 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
 898
 899 #define ED_NUM_DRAWING_AREAS                    33
 900
 901
 902 /*
 903   -----------------------------------------------------------------------------
 904   some internally used definitions
 905   -----------------------------------------------------------------------------
 906 */
 907
 908 /* values for CopyLevelToUndoBuffer() */
 909 #define UNDO_IMMEDIATE                  0
 910 #define UNDO_ACCUMULATE                 1
 911
 912 /* values for scrollbars */
 913 #define ED_SCROLL_NO                    0
 914 #define ED_SCROLL_LEFT                  1
 915 #define ED_SCROLL_RIGHT                 2
 916 #define ED_SCROLL_UP                    4
 917 #define ED_SCROLL_DOWN                  8
 918
 919 /* screens in the level editor */
 920 #define ED_MODE_DRAWING                 0
 921 #define ED_MODE_INFO                    1
 922 #define ED_MODE_PROPERTIES              2
 923
 924 /* sub-screens in the global settings section */
 925 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 926 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 927
 928 /* sub-screens in the element properties section */
 929 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 930 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 931 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
 932 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
 933 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 934
 935 /* how many steps can be cancelled */
 936 #define NUM_UNDO_STEPS                  (64 + 1)
 937
 938 /* values for elements with score for certain actions */
 939 #define MIN_SCORE                       0
 940 #define MAX_SCORE                       999
 941
 942 /* values for elements with count for collecting */
 943 #define MIN_COLLECT_COUNT               0
 944 #define MAX_COLLECT_COUNT               999
 945
 946 /* values for random placement */
 947 #define RANDOM_USE_PERCENTAGE           0
 948 #define RANDOM_USE_QUANTITY             1
 949
 950 /* default value for element tile size in drawing area */
 951 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
 952
 953
 954 /*
 955   -----------------------------------------------------------------------------
 956   some internally used data structure definitions
 957   -----------------------------------------------------------------------------
 958 */
 959
 960 static struct
 961 {
 962   int graphic;
 963   int gadget_id;
 964   struct XY *pos;
 965   int gadget_type;
 966   char *infotext;
 967   char shortcut;
 968 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
 969 {
 970   /* note: some additional characters are already reserved for "cheat mode"
 971      shortcuts (":XYZ" style) -- for details, see "events.c" */
 972
 973   /* ---------- toolbox control buttons ------------------------------------ */
 974
 975   {
 976     IMG_EDITOR_BUTTON_GFX_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
 977     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
 978     "draw single items",                        's'
 979   },
 980   {
 981     IMG_EDITOR_BUTTON_GFX_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
 982     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
 983     "draw connected items",                     'd'
 984   },
 985   {
 986     IMG_EDITOR_BUTTON_GFX_DRAW_LINE,            GADGET_ID_LINE,
 987     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
 988     "draw lines",                               'l'
 989   },
 990   {
 991     IMG_EDITOR_BUTTON_GFX_DRAW_ARC,             GADGET_ID_ARC,
 992     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
 993     "draw arcs",                                'a'
 994   },
 995   {
 996     IMG_EDITOR_BUTTON_GFX_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
 997     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
 998     "draw outline rectangles",                  'r'
 999   },
1000   {
1001     IMG_EDITOR_BUTTON_GFX_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1002     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1003     "draw filled rectangles",                   'R'
1004   },
1005   {
1006     IMG_EDITOR_BUTTON_GFX_ROTATE_UP,            GADGET_ID_WRAP_UP,
1007     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1008     "wrap (rotate) level up",                   0
1009   },
1010   {
1011     IMG_EDITOR_BUTTON_GFX_DRAW_TEXT,            GADGET_ID_TEXT,
1012     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1013     "enter text elements",                      't'
1014   },
1015   {
1016     IMG_EDITOR_BUTTON_GFX_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1017     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1018     "flood fill",                               'f'
1019   },
1020   {
1021     IMG_EDITOR_BUTTON_GFX_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1022     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1023     "wrap (rotate) level left",                 0
1024   },
1025   {
1026     IMG_EDITOR_BUTTON_GFX_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1027     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1028     "zoom level tile size",                     '-'
1029   },
1030   {
1031     IMG_EDITOR_BUTTON_GFX_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1032     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1033     "wrap (rotate) level right",                0
1034   },
1035   {
1036     IMG_EDITOR_BUTTON_GFX_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1037     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1038     "random element placement",                 0
1039   },
1040   {
1041     IMG_EDITOR_BUTTON_GFX_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1042     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1043     "grab brush",                               'b'
1044   },
1045   {
1046     IMG_EDITOR_BUTTON_GFX_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1047     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1048     "wrap (rotate) level down",                 0
1049   },
1050   {
1051     IMG_EDITOR_BUTTON_GFX_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1052     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1053     "pick drawing element",                     ','
1054   },
1055
1056   /* ---------- level control buttons -------------------------------------- */
1057
1058   {
1059     IMG_EDITOR_BUTTON_GFX_UNDO,                 GADGET_ID_UNDO,
1060     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1061     "undo/redo last operation",                 'u'
1062   },
1063   {
1064     IMG_EDITOR_BUTTON_GFX_CONF,                 GADGET_ID_INFO,
1065     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1066     "properties of level",                      'I'
1067   },
1068   {
1069     IMG_EDITOR_BUTTON_GFX_SAVE,                 GADGET_ID_SAVE,
1070     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1071     "save level",                               'S'
1072   },
1073   {
1074     IMG_EDITOR_BUTTON_GFX_CLEAR,                GADGET_ID_CLEAR,
1075     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1076     "clear level",                              'C'
1077   },
1078   {
1079     IMG_EDITOR_BUTTON_GFX_TEST,                 GADGET_ID_TEST,
1080     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1081     "test level",                               'T'
1082   },
1083   {
1084     IMG_EDITOR_BUTTON_GFX_EXIT,                 GADGET_ID_EXIT,
1085     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1086     "exit level editor",                        'E'
1087   },
1088
1089   /* ---------- CE and GE control buttons ---------------------------------- */
1090
1091   {
1092     IMG_EDITOR_BUTTON_GFX_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1093     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1094     "copy settings from other element",         0
1095   },
1096   {
1097     IMG_EDITOR_BUTTON_GFX_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1098     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1099     "copy settings to other element",           0
1100   },
1101   {
1102     IMG_EDITOR_BUTTON_GFX_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1103     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1104     "exchange element with other element",      0
1105   },
1106   {
1107     IMG_EDITOR_BUTTON_GFX_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1108     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1109     "copy settings from this element",          0
1110   },
1111   {
1112     IMG_EDITOR_BUTTON_GFX_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1113     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1114     "paste settings to this element",           0
1115   },
1116
1117   /* ---------- palette control buttons ------------------------------------ */
1118
1119   {
1120     IMG_EDITOR_BUTTON_GFX_PROPERTIES,           GADGET_ID_PROPERTIES,
1121     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1122     "properties of drawing element",            'p'
1123   }
1124 };
1125
1126 static int random_placement_value = 10;
1127 static int random_placement_method = RANDOM_USE_QUANTITY;
1128 static int random_placement_background_element = EL_SAND;
1129 static boolean random_placement_background_restricted = FALSE;
1130 static boolean stick_element_properties_window = FALSE;
1131 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1132 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1133 static struct ElementChangeInfo custom_element_change;
1134 static struct ElementGroupInfo group_element_info;
1135 static struct ElementInfo custom_element;
1136
1137 static struct
1138 {
1139   int x, y;
1140   int min_value, max_value;
1141   int gadget_id_down, gadget_id_up;
1142   int gadget_id_text;
1143   int gadget_id_align;
1144   int *value;
1145   char *text_above, *text_left, *text_right;
1146 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1147 {
1148   /* ---------- current level number --------------------------------------- */
1149
1150   {
1151     -1, -1,     /* these values are not constant, but can change at runtime */
1152     1,                                  100,
1153     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1154     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1155     &level_nr,
1156     NULL,                               NULL, NULL
1157   },
1158
1159   /* ---------- level and editor settings ---------------------------------- */
1160
1161   {
1162     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1163     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1164     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1165     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1166     &level.fieldx,
1167     "playfield size:",                  NULL, "width",
1168   },
1169   {
1170     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1171     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1172     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1173     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1174     &level.fieldy,
1175     NULL,                               " ", "height",
1176   },
1177   {
1178     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1179     0,                                  999,
1180     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1181     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1182     &level.gems_needed,
1183     NULL,                               "number of gems to collect:", NULL
1184   },
1185   {
1186     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
1187     0,                                  9999,
1188     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1189     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1190     &level.time,
1191     "time or step limit to solve level:", NULL, NULL
1192   },
1193   {
1194     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
1195     0,                                  999,
1196     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1197     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1198     &level.score[SC_TIME_BONUS],
1199     "score for each second/step left:", NULL, NULL
1200   },
1201   {
1202     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1203     0,                                  9999,
1204     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1205     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1206     &level.random_seed,
1207     NULL,                               "random seed:", "(0 => random)"
1208   },
1209   {
1210     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1211     1,                                  100,
1212     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1213     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1214     &random_placement_value,
1215     "random element placement:",        NULL, "in"
1216   },
1217
1218   /* ---------- element settings: configure (various elements) ------------- */
1219
1220   {
1221     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1222     MIN_SCORE,                          MAX_SCORE,
1223     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1224     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1225     NULL,                               /* will be set when used */
1226     NULL,                               NULL, NULL
1227   },
1228   {
1229     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1230     MIN_SCORE,                          MAX_SCORE,
1231     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1232     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1233     NULL,                               /* will be set when used */
1234     NULL,                               NULL, NULL
1235   },
1236   {
1237     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1238     MIN_SCORE,                          MAX_SCORE,
1239     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1240     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1241     NULL,                               /* will be set when used */
1242     NULL,                               NULL, NULL
1243   },
1244   {
1245     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1246     MIN_SCORE,                          MAX_SCORE,
1247     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1248     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1249     NULL,                               /* will be set when used */
1250     NULL,                               NULL, NULL
1251   },
1252   {
1253     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1254     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1255     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1256     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1257     &level.num_yamyam_contents,
1258     NULL,                               NULL, "number of content areas"
1259   },
1260   {
1261     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1262     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1263     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1264     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1265     &level.num_ball_contents,
1266     NULL,                               NULL, "number of content areas"
1267   },
1268   {
1269     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1270     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1271     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1272     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1273     &level.num_android_clone_elements,
1274     NULL,                               NULL, "number of clonable elements"
1275   },
1276   {
1277     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1278     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1279     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1280     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1281     NULL,                               /* will be set when used */
1282     NULL,                               NULL, "width",
1283   },
1284   {
1285     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1286     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1287     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1288     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1289     NULL,                               /* will be set when used */
1290     NULL,                               " ", "height",
1291   },
1292   {
1293     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1294     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1295     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1296     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1297     &level.initial_inventory_size[0],
1298     NULL,                               NULL, "number of inventory elements"
1299   },
1300
1301   /* ---------- element settings: configure 1 (custom elements) ------------ */
1302
1303   {
1304     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1305     MIN_SCORE,                          MAX_SCORE,
1306     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1307     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1308     &custom_element.collect_score_initial,
1309     NULL,                               "CE score", " "
1310   },
1311   {
1312     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1313     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1314     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1315     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1316     &custom_element.collect_count_initial,
1317     NULL,                               "CE count", NULL
1318   },
1319   {
1320     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1321     0,                                  9999,
1322     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1323     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1324     &custom_element.ce_value_fixed_initial,
1325     NULL,                               "CE value", NULL
1326   },
1327   {
1328     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1329     0,                                  9999,
1330     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1331     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1332     &custom_element.ce_value_random_initial,
1333     NULL,                               "+random", NULL
1334   },
1335   {
1336     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1337     0,                                  999,
1338     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1339     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1340     &custom_element.push_delay_fixed,
1341     NULL,                               "push delay", NULL
1342   },
1343   {
1344     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1345     0,                                  999,
1346     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1347     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1348     &custom_element.push_delay_random,
1349     NULL,                               "+random", NULL
1350   },
1351   {
1352     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1353     0,                                  999,
1354     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1355     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1356     &custom_element.drop_delay_fixed,
1357     NULL,                               "drop delay", NULL
1358   },
1359   {
1360     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1361     0,                                  999,
1362     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1363     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1364     &custom_element.drop_delay_random,
1365     NULL,                               "+random", NULL
1366   },
1367
1368   /* ---------- element settings: configure 2 (custom elements) ------------ */
1369
1370   {
1371     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1372     0,                                  999,
1373     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1374     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1375     &custom_element.move_delay_fixed,
1376     NULL,                               "move delay", NULL
1377   },
1378   {
1379     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1380     0,                                  999,
1381     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1382     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1383     &custom_element.move_delay_random,
1384     NULL,                               "+random", NULL
1385   },
1386   {
1387     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1388     0,                                  999,
1389     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1390     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1391     &custom_element.explosion_delay,
1392     NULL,                               "explosion delay", NULL
1393   },
1394   {
1395     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1396     0,                                  999,
1397     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1398     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1399     &custom_element.ignition_delay,
1400     NULL,                               "ignition delay", "(by fire)"
1401   },
1402
1403   /* ---------- element settings: configure (group elements) --------------- */
1404
1405   {
1406     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1407     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1408     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1409     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1410     &group_element_info.num_elements,
1411     NULL,                               NULL, "number of elements in group"
1412   },
1413
1414   /* ---------- element settings: advanced (custom elements) --------------- */
1415
1416   {
1417     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1418     0,                                  999,
1419     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1420     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1421     &custom_element_change.delay_fixed,
1422     NULL,                               "CE delay", NULL,
1423   },
1424   {
1425     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1426     0,                                  999,
1427     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1428     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1429     &custom_element_change.delay_random,
1430     NULL,                               "+random", NULL
1431   },
1432   {
1433     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1434     0,                                  100,
1435     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1436     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1437     &custom_element_change.random_percentage,
1438     NULL,                               "use random replace:", "%"
1439   },
1440 };
1441
1442 static struct
1443 {
1444   int x, y;
1445   int gadget_id;
1446   int size;
1447   char *value;
1448   char *text_above, *infotext;
1449 } textinput_info[ED_NUM_TEXTINPUT] =
1450 {
1451   {
1452     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1453     GADGET_ID_LEVEL_NAME,
1454     MAX_LEVEL_NAME_LEN,
1455     level.name,
1456     "Title:", "Title"
1457   },
1458   {
1459     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1460     GADGET_ID_LEVEL_AUTHOR,
1461     MAX_LEVEL_AUTHOR_LEN,
1462     level.author,
1463     "Author:", "Author"
1464   },
1465   {
1466     -1, -1,     /* these values are not constant, but can change at runtime */
1467     GADGET_ID_ELEMENT_NAME,
1468     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1469     custom_element.description,
1470     NULL, "Element name"
1471   }
1472 };
1473
1474 static struct
1475 {
1476   int x, y;
1477   int gadget_id;
1478   int xsize, ysize;
1479   char *value;
1480   char *text_above, *infotext;
1481 } textarea_info[ED_NUM_TEXTAREAS] =
1482 {
1483   {
1484     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1485     GADGET_ID_ENVELOPE_INFO,
1486     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1487     NULL,
1488     "Envelope Content:", "Envelope Content"
1489   }
1490 };
1491
1492 static struct ValueTextInfo options_time_or_steps[] =
1493 {
1494   { 0,                          "seconds"                       },
1495   { 1,                          "steps"                         },
1496
1497   { -1,                         NULL                            }
1498 };
1499
1500 static struct ValueTextInfo options_game_engine_type[] =
1501 {
1502   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1503   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1504   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1505
1506   { -1,                         NULL                            }
1507 };
1508
1509 static struct ValueTextInfo options_wind_direction[] =
1510 {
1511   { MV_START_NONE,              "none"                          },
1512   { MV_START_LEFT,              "left"                          },
1513   { MV_START_RIGHT,             "right"                         },
1514   { MV_START_UP,                "up"                            },
1515   { MV_START_DOWN,              "down"                          },
1516
1517   { -1,                         NULL                            }
1518 };
1519
1520 static struct ValueTextInfo options_player_speed[] =
1521 {
1522   { 0,                          "frozen"                        },
1523   { 1,                          "very slow"                     },
1524   { 2,                          "slow"                          },
1525   { 4,                          "normal"                        },
1526   { 8,                          "fast"                          },
1527   { 16,                         "very fast"                     },
1528   { 32,                         "ultrafast"                     },
1529
1530   { -1,                         NULL                            }
1531 };
1532
1533 static struct ValueTextInfo options_access_type[] =
1534 {
1535   { EP_WALKABLE,                "walkable"                      },
1536   { EP_PASSABLE,                "passable"                      },
1537
1538   { -1,                         NULL                            }
1539 };
1540
1541 static struct ValueTextInfo options_access_layer[] =
1542 {
1543   { EP_ACCESSIBLE_OVER,         "over"                          },
1544   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1545   { EP_ACCESSIBLE_UNDER,        "under"                         },
1546
1547   { -1,                         NULL                            }
1548 };
1549
1550 static struct ValueTextInfo options_access_protected[] =
1551 {
1552   { 0,                          "unprotected"                   },
1553   { 1,                          "protected"                     },
1554
1555   { -1,                         NULL                            }
1556 };
1557
1558 static struct ValueTextInfo options_access_direction[] =
1559 {
1560   { MV_NO_DIRECTION,            "no direction"                  },
1561   { MV_LEFT,                    "left"                          },
1562   { MV_RIGHT,                   "right"                         },
1563   { MV_UP,                      "up"                            },
1564   { MV_DOWN,                    "down"                          },
1565   { MV_LEFT  | MV_UP,           "left + up"                     },
1566   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1567   { MV_RIGHT | MV_UP,           "right + up"                    },
1568   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1569   { MV_HORIZONTAL,              "horizontal"                    },
1570   { MV_VERTICAL,                "vertical"                      },
1571   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1572   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1573   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1574   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1575   { MV_ALL_DIRECTIONS,          "all directions"                },
1576
1577   { -1,                         NULL                            }
1578 };
1579
1580 static struct ValueTextInfo options_walk_to_action[] =
1581 {
1582   { EP_DIGGABLE,                "diggable"                      },
1583   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1584   { EP_DROPPABLE,               "collectible & droppable"       },
1585   { EP_THROWABLE,               "collectible & throwable"       },
1586   { EP_PUSHABLE,                "pushable"                      },
1587
1588   { -1,                         NULL                            }
1589 };
1590
1591 static struct ValueTextInfo options_move_pattern[] =
1592 {
1593   { MV_LEFT,                    "left"                          },
1594   { MV_RIGHT,                   "right"                         },
1595   { MV_UP,                      "up"                            },
1596   { MV_DOWN,                    "down"                          },
1597   { MV_HORIZONTAL,              "horizontal"                    },
1598   { MV_VERTICAL,                "vertical"                      },
1599   { MV_ALL_DIRECTIONS,          "all directions"                },
1600   { MV_WIND_DIRECTION,          "wind direction"                },
1601   { MV_TOWARDS_PLAYER,          "towards player"                },
1602   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1603   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1604   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1605   { MV_TURNING_LEFT,            "turning left"                  },
1606   { MV_TURNING_RIGHT,           "turning right"                 },
1607   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1608   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1609   { MV_TURNING_RANDOM,          "turning random"                },
1610   { MV_MAZE_RUNNER,             "maze runner style"             },
1611   { MV_MAZE_HUNTER,             "maze hunter style"             },
1612   { MV_WHEN_PUSHED,             "when pushed"                   },
1613   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1614
1615   { -1,                         NULL                            }
1616 };
1617
1618 static struct ValueTextInfo options_move_direction[] =
1619 {
1620   { MV_START_AUTOMATIC,         "automatic"                     },
1621   { MV_START_LEFT,              "left"                          },
1622   { MV_START_RIGHT,             "right"                         },
1623   { MV_START_UP,                "up"                            },
1624   { MV_START_DOWN,              "down"                          },
1625   { MV_START_RANDOM,            "random"                        },
1626   { MV_START_PREVIOUS,          "previous"                      },
1627
1628   { -1,                         NULL                            }
1629 };
1630
1631 static struct ValueTextInfo options_move_stepsize[] =
1632 {
1633   { 0,                          "not moving"                    },
1634   { 1,                          "very slow"                     },
1635   { 2,                          "slow"                          },
1636   { 4,                          "normal"                        },
1637   { 8,                          "fast"                          },
1638   { 16,                         "very fast"                     },
1639   { 32,                         "even faster"                   },
1640
1641   { -1,                         NULL                            }
1642 };
1643
1644 static struct ValueTextInfo options_move_leave_type[] =
1645 {
1646   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1647   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1648
1649   { -1,                         NULL                            }
1650 };
1651
1652 static struct ValueTextInfo options_smash_targets[] =
1653 {
1654   { EP_CAN_SMASH_PLAYER,        "player"                        },
1655 #if 0
1656   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1657 #endif
1658   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1659
1660   { -1,                         NULL                            }
1661 };
1662
1663 static struct ValueTextInfo options_slippery_type[] =
1664 {
1665   { SLIPPERY_ANY_RANDOM,        "random"                        },
1666   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1667   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1668   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1669   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1670
1671   { -1,                         NULL                            }
1672 };
1673
1674 static struct ValueTextInfo options_deadliness[] =
1675 {
1676   { EP_DONT_RUN_INTO,           "running into"                  },
1677   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1678   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1679   { EP_DONT_TOUCH,              "touching"                      },
1680
1681   { -1,                         NULL                            }
1682 };
1683
1684 static struct ValueTextInfo options_explosion_type[] =
1685 {
1686   { EXPLODES_3X3,               "3x3"                           },
1687   { EXPLODES_CROSS,             "3+3"                           },
1688   { EXPLODES_1X1,               "1x1"                           },
1689
1690   { -1,                         NULL                            }
1691 };
1692
1693 static struct ValueTextInfo options_time_units[] =
1694 {
1695   { 1,                          "frames"                        },
1696   { FRAMES_PER_SECOND,          "seconds"                       },
1697
1698   { -1,                         NULL                            }
1699 };
1700
1701 static struct ValueTextInfo options_change_direct_action[] =
1702 {
1703   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1704   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1705   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1706   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1707   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1708   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1709   { CE_LEFT_BY_PLAYER,          "left by player"                },
1710   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1711   { CE_SWITCHED,                "switched"                      },
1712   { CE_HITTING_SOMETHING,       "hitting something"             },
1713   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1714 #if 0
1715   { CE_BLOCKED,                 "blocked"                       },
1716 #endif
1717   { CE_IMPACT,                  "impact (on something)"         },
1718   { CE_SMASHED,                 "smashed (from above)"          },
1719 #if 0
1720   { CE_VALUE_CHANGES,           "CE value changes"              },
1721   { CE_SCORE_CHANGES,           "CE score changes"              },
1722 #endif
1723   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1724   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1725
1726   { -1,                         NULL                            }
1727 };
1728
1729 static struct ValueTextInfo options_change_other_action[] =
1730 {
1731   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1732   { CE_PLAYER_PRESSES_X,        "player presses"                },
1733   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1734   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1735   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1736   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1737   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1738   { CE_PLAYER_DIGS_X,           "player digs"                   },
1739   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1740   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1741   { CE_TOUCHING_X,              "touching"                      },
1742   { CE_HITTING_X,               "hitting"                       },
1743   { CE_DIGGING_X,               "digging"                       },
1744   { CE_HIT_BY_X,                "hit by"                        },
1745   { CE_SWITCH_OF_X,             "switch of"                     },
1746   { CE_CHANGE_OF_X,             "change by page of"             },
1747   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1748   { CE_MOVE_OF_X,               "move of"                       },
1749   { CE_CREATION_OF_X,           "creation of"                   },
1750   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1751   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1752   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1753   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1754
1755   { -1,                         NULL                            }
1756 };
1757
1758 static struct ValueTextInfo options_change_trigger_side[] =
1759 {
1760   { CH_SIDE_LEFT,               "left"                          },
1761   { CH_SIDE_RIGHT,              "right"                         },
1762   { CH_SIDE_TOP,                "top"                           },
1763   { CH_SIDE_BOTTOM,             "bottom"                        },
1764   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1765   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1766   { CH_SIDE_ANY,                "any"                           },
1767
1768   { -1,                         NULL                            }
1769 };
1770
1771 static struct ValueTextInfo options_change_trigger_player[] =
1772 {
1773   { CH_PLAYER_1,                "1"                             },
1774   { CH_PLAYER_2,                "2"                             },
1775   { CH_PLAYER_3,                "3"                             },
1776   { CH_PLAYER_4,                "4"                             },
1777   { CH_PLAYER_ANY,              "any"                           },
1778
1779   { -1,                         NULL                            }
1780 };
1781
1782 static struct ValueTextInfo options_change_trigger_page[] =
1783 {
1784   { (1 << 0),                   "1"                             },
1785   { (1 << 1),                   "2"                             },
1786   { (1 << 2),                   "3"                             },
1787   { (1 << 3),                   "4"                             },
1788   { (1 << 4),                   "5"                             },
1789   { (1 << 5),                   "6"                             },
1790   { (1 << 6),                   "7"                             },
1791   { (1 << 7),                   "8"                             },
1792   { (1 << 8),                   "9"                             },
1793   { (1 << 9),                   "10"                            },
1794   { (1 << 10),                  "11"                            },
1795   { (1 << 11),                  "12"                            },
1796   { (1 << 12),                  "13"                            },
1797   { (1 << 13),                  "14"                            },
1798   { (1 << 14),                  "15"                            },
1799   { (1 << 15),                  "16"                            },
1800   { (1 << 16),                  "17"                            },
1801   { (1 << 17),                  "18"                            },
1802   { (1 << 18),                  "19"                            },
1803   { (1 << 19),                  "20"                            },
1804   { (1 << 20),                  "21"                            },
1805   { (1 << 21),                  "22"                            },
1806   { (1 << 22),                  "23"                            },
1807   { (1 << 23),                  "24"                            },
1808   { (1 << 24),                  "25"                            },
1809   { (1 << 25),                  "26"                            },
1810   { (1 << 26),                  "27"                            },
1811   { (1 << 27),                  "28"                            },
1812   { (1 << 28),                  "29"                            },
1813   { (1 << 29),                  "30"                            },
1814   { (1 << 30),                  "31"                            },
1815   { (1 << 31),                  "32"                            },
1816   { CH_PAGE_ANY,                "any"                           },
1817
1818   { -1,                         NULL                            }
1819 };
1820
1821 static struct ValueTextInfo options_change_replace_when[] =
1822 {
1823   { CP_WHEN_EMPTY,              "empty"                         },
1824   { CP_WHEN_WALKABLE,           "walkable"                      },
1825   { CP_WHEN_DIGGABLE,           "diggable"                      },
1826   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1827   { CP_WHEN_REMOVABLE,          "removable"                     },
1828   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1829
1830   { -1,                         NULL                            }
1831 };
1832
1833 static struct ValueTextInfo options_action_type[] =
1834 {
1835   { CA_NO_ACTION,               "no action"                     },
1836   { CA_UNDEFINED,               " "                             },
1837   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1838   { CA_RESTART_LEVEL,           "restart level"                 },
1839   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1840   { CA_SET_LEVEL_TIME,          "set time"                      },
1841   { CA_SET_LEVEL_SCORE,         "set score"                     },
1842   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1843   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1844   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1845   { CA_UNDEFINED,               " "                             },
1846   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1847   { CA_MOVE_PLAYER,             "move player"                   },
1848   { CA_EXIT_PLAYER,             "exit player"                   },
1849   { CA_KILL_PLAYER,             "kill player"                   },
1850   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1851   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1852   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1853   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1854   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1855   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1856   { CA_UNDEFINED,               " "                             },
1857   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1858   { CA_SET_CE_VALUE,            "set CE value"                  },
1859   { CA_SET_CE_SCORE,            "set CE score"                  },
1860   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1861   { CA_UNDEFINED,               " "                             },
1862   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1863   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1864
1865   { -1,                         NULL                            }
1866 };
1867
1868 static struct ValueTextInfo options_action_mode_none[] =
1869 {
1870   { CA_MODE_UNDEFINED,          " "                             },
1871
1872   { -1,                         NULL                            }
1873 };
1874
1875 static struct ValueTextInfo options_action_mode_assign[] =
1876 {
1877   { CA_MODE_SET,                "="                             },
1878
1879   { -1,                         NULL                            }
1880 };
1881
1882 static struct ValueTextInfo options_action_mode_add_remove[] =
1883 {
1884   { CA_MODE_ADD,                "+"                             },
1885   { CA_MODE_SUBTRACT,           "-"                             },
1886
1887   { -1,                         NULL                            }
1888 };
1889
1890 static struct ValueTextInfo options_action_mode_calculate[] =
1891 {
1892   { CA_MODE_SET,                "="                             },
1893   { CA_MODE_ADD,                "+"                             },
1894   { CA_MODE_SUBTRACT,           "-"                             },
1895   { CA_MODE_MULTIPLY,           "*"                             },
1896   { CA_MODE_DIVIDE,             "/"                             },
1897   { CA_MODE_MODULO,             "%"                             },
1898
1899   { -1,                         NULL                            }
1900 };
1901
1902 static struct ValueTextInfo options_action_arg_none[] =
1903 {
1904   { CA_ARG_UNDEFINED,           "         "                     },
1905
1906   { -1,                         NULL                            }
1907 };
1908
1909 static struct ValueTextInfo options_action_arg_player[] =
1910 {
1911   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
1912   { CA_ARG_PLAYER_1,            "1"                             },
1913   { CA_ARG_PLAYER_2,            "2"                             },
1914   { CA_ARG_PLAYER_3,            "3"                             },
1915   { CA_ARG_PLAYER_4,            "4"                             },
1916   { CA_ARG_PLAYER_ANY,          "any"                           },
1917   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
1918   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
1919
1920   { -1,                         NULL                            }
1921 };
1922
1923 static struct ValueTextInfo options_action_arg_number[] =
1924 {
1925   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1926   { CA_ARG_0,                   "0"                             },
1927   { CA_ARG_1,                   "1"                             },
1928   { CA_ARG_2,                   "2"                             },
1929   { CA_ARG_3,                   "3"                             },
1930   { CA_ARG_4,                   "4"                             },
1931   { CA_ARG_5,                   "5"                             },
1932   { CA_ARG_10,                  "10"                            },
1933   { CA_ARG_100,                 "100"                           },
1934   { CA_ARG_1000,                "1000"                          },
1935   { CA_ARG_UNDEFINED,           " "                             },
1936   { CA_ARG_NUMBER_MIN,          "min"                           },
1937   { CA_ARG_NUMBER_MAX,          "max"                           },
1938   { CA_ARG_UNDEFINED,           " "                             },
1939   { CA_ARG_NUMBER_RESET,        "reset"                         },
1940   { CA_ARG_UNDEFINED,           " "                             },
1941   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1942   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1943   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1944   { CA_ARG_UNDEFINED,           " "                             },
1945   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1946   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1947   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1948   { CA_ARG_UNDEFINED,           " "                             },
1949   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1950   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1951   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1952   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1953   { CA_ARG_UNDEFINED,           " "                             },
1954   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1955   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1956   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1957   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1958
1959   { -1,                         NULL                            }
1960 };
1961
1962 static struct ValueTextInfo options_action_arg_value[] =
1963 {
1964   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1965   { CA_ARG_0,                   "0"                             },
1966   { CA_ARG_1,                   "1"                             },
1967   { CA_ARG_2,                   "2"                             },
1968   { CA_ARG_3,                   "3"                             },
1969   { CA_ARG_4,                   "4"                             },
1970   { CA_ARG_5,                   "5"                             },
1971   { CA_ARG_10,                  "10"                            },
1972   { CA_ARG_100,                 "100"                           },
1973   { CA_ARG_1000,                "1000"                          },
1974   { CA_ARG_UNDEFINED,           " "                             },
1975   { CA_ARG_NUMBER_MIN,          "min"                           },
1976   { CA_ARG_NUMBER_MAX,          "max"                           },
1977   { CA_ARG_UNDEFINED,           " "                             },
1978   { CA_ARG_NUMBER_RESET,        "reset"                         },
1979   { CA_ARG_UNDEFINED,           " "                             },
1980   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1981   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1982   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1983   { CA_ARG_UNDEFINED,           " "                             },
1984   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1985   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1986   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1987   { CA_ARG_UNDEFINED,           " "                             },
1988   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1989   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1990   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1991   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1992   { CA_ARG_UNDEFINED,           " "                             },
1993   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1994   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1995   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1996   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1997   { CA_ARG_UNDEFINED,           " "                             },
1998   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
1999   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2000   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2001   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2002
2003   { -1,                         NULL                            }
2004 };
2005
2006 static struct ValueTextInfo options_action_arg_envelope[] =
2007 {
2008   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2009   { CA_ARG_1,                   "1"                             },
2010   { CA_ARG_2,                   "2"                             },
2011   { CA_ARG_3,                   "3"                             },
2012   { CA_ARG_4,                   "4"                             },
2013   { CA_ARG_UNDEFINED,           " "                             },
2014   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2015   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2016   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2017   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2018
2019   { -1,                         NULL                            }
2020 };
2021
2022 static struct ValueTextInfo options_action_arg_key[] =
2023 {
2024   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2025   { CA_ARG_1,                   "1"                             },
2026   { CA_ARG_2,                   "2"                             },
2027   { CA_ARG_3,                   "3"                             },
2028   { CA_ARG_4,                   "4"                             },
2029   { CA_ARG_5,                   "5"                             },
2030   { CA_ARG_6,                   "6"                             },
2031   { CA_ARG_7,                   "7"                             },
2032   { CA_ARG_8,                   "8"                             },
2033   { CA_ARG_UNDEFINED,           " "                             },
2034   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2035   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2036   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2037   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2038
2039   { -1,                         NULL                            }
2040 };
2041
2042 static struct ValueTextInfo options_action_arg_speed[] =
2043 {
2044   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2045   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2046   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2047   { CA_ARG_SPEED_SLOW,          "slow"                          },
2048   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2049   { CA_ARG_SPEED_FAST,          "fast"                          },
2050   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2051   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2052   { CA_ARG_UNDEFINED,           " "                             },
2053   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2054   { CA_ARG_SPEED_FASTER,        "faster"                        },
2055   { CA_ARG_UNDEFINED,           " "                             },
2056   { CA_ARG_SPEED_RESET,         "reset"                         },
2057
2058   { -1,                         NULL                            }
2059 };
2060
2061 static struct ValueTextInfo options_action_arg_shield[] =
2062 {
2063   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2064   { CA_ARG_SHIELD_OFF,          "off"                           },
2065   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2066   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2067
2068   { -1,                         NULL                            }
2069 };
2070
2071 static struct ValueTextInfo options_action_arg_artwork[] =
2072 {
2073   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2074   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2075   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2076   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2077   { CA_ARG_UNDEFINED,           " "                             },
2078   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2079
2080   { -1,                         NULL                            }
2081 };
2082
2083 static struct ValueTextInfo options_action_arg_gravity[] =
2084 {
2085   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2086   { CA_ARG_GRAVITY_ON,          "on"                            },
2087   { CA_ARG_GRAVITY_OFF,         "off"                           },
2088   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2089
2090   { -1,                         NULL                            }
2091 };
2092
2093 static struct ValueTextInfo options_action_arg_direction[] =
2094 {
2095   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2096   { CA_ARG_DIRECTION_NONE,      "none"                          },
2097   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2098   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2099   { CA_ARG_DIRECTION_UP,        "up"                            },
2100   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2101   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2102   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2103
2104   { -1,                         NULL                            }
2105 };
2106
2107 static struct ValueTextInfo options_action_arg_scan_mode[] =
2108 {
2109   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2110   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2111   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2112
2113   { -1,                         NULL                            }
2114 };
2115
2116 static struct ValueTextInfo options_action_arg_inventory[] =
2117 {
2118   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2119   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2120   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2121   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2122   { CA_ARG_UNDEFINED,           " "                             },
2123   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2124   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2125   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2126   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2127   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2128   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2129   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2130   { CA_ARG_UNDEFINED,           " "                             },
2131   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2132
2133   { -1,                         NULL                            }
2134 };
2135
2136 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2137 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2138 {
2139   { -1,                         NULL                            }
2140 };
2141
2142 static struct ValueTextInfo options_group_choice_mode[] =
2143 {
2144   { ANIM_RANDOM,                "random"                        },
2145   { ANIM_LOOP,                  "loop"                          },
2146   { ANIM_LINEAR,                "linear"                        },
2147   { ANIM_PINGPONG,              "pingpong"                      },
2148   { ANIM_PINGPONG2,             "pingpong 2"                    },
2149
2150   { -1,                         NULL                            }
2151 };
2152
2153 static struct ValueTextInfo *action_arg_modes[] =
2154 {
2155   options_action_mode_none,
2156   options_action_mode_assign,
2157   options_action_mode_add_remove,
2158   options_action_mode_calculate,
2159 };
2160
2161 static struct
2162 {
2163   int value;
2164   int mode;
2165   struct ValueTextInfo *options;
2166 }
2167 action_arg_options[] =
2168 {
2169   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2170   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2171   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2172   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2173   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2174   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2175   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2176   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2177   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2178   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2179   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2180   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2181   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2182   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2183   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2184   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2185   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2186   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2187   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2188   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2189   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2190
2191   { -1,                         FALSE,  NULL                            }
2192 };
2193
2194 static struct
2195 {
2196   int x, y;
2197   int gadget_id;
2198   int gadget_id_align;
2199   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2200   struct ValueTextInfo *options;
2201   int *value;
2202   char *text_left, *text_right, *infotext;
2203 } selectbox_info[ED_NUM_SELECTBOX] =
2204 {
2205   /* ---------- level and editor settings ---------------------------------- */
2206
2207   {
2208     -1,                                 ED_LEVEL_SETTINGS_YPOS(7),
2209     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2210     -1,
2211     options_time_or_steps,
2212     &level.use_step_counter,
2213     NULL, "(0 => no limit)",            "time or step limit"
2214   },
2215   {
2216     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2217     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2218     -1,
2219     options_game_engine_type,
2220     &level.game_engine_type,
2221     "game engine:", NULL,               "game engine"
2222   },
2223   {
2224     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2225     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2226     -1,
2227     options_wind_direction,
2228     &level.wind_direction_initial,
2229     "initial wind direction:", NULL,    "initial wind direction"
2230   },
2231
2232   /* ---------- element settings: configure (several elements) ------------- */
2233
2234   {
2235     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2236     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2237     -1,
2238     options_player_speed,
2239     &level.initial_player_stepsize[0],
2240     "initial player speed:", NULL,      "initial player speed"
2241   },
2242
2243   /* ---------- element settings: configure 1 (custom elements) ------------ */
2244
2245   {
2246     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2247     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2248     -1,
2249     options_access_type,
2250     &custom_element.access_type,
2251     NULL, NULL,                         "type of access to this field"
2252   },
2253   {
2254     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2255     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2256     -1,
2257     options_access_layer,
2258     &custom_element.access_layer,
2259     NULL, NULL,                         "layer of access for this field"
2260   },
2261   {
2262     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2263     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2264     -1,
2265     options_access_protected,
2266     &custom_element.access_protected,
2267     NULL, NULL,                         "protected access for this field"
2268   },
2269   {
2270     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2271     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2272     -1,
2273     options_access_direction,
2274     &custom_element.access_direction,
2275     "from", NULL,                       "access direction for this field"
2276   },
2277   {
2278     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2279     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2280     -1,
2281     options_walk_to_action,
2282     &custom_element.walk_to_action,
2283     NULL, NULL,                         "diggable/collectible/pushable"
2284   },
2285
2286   /* ---------- element settings: configure 2 (custom elements) ------------ */
2287
2288   {
2289     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2290     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2291     -1,
2292     options_move_pattern,
2293     &custom_element.move_pattern,
2294     "can move", NULL,                   "element move pattern"
2295   },
2296   {
2297     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2298     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2299     -1,
2300     options_move_direction,
2301     &custom_element.move_direction_initial,
2302     "starts moving", NULL,              "initial element move direction"
2303   },
2304   {
2305     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2306     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2307     -1,
2308     options_move_stepsize,
2309     &custom_element.move_stepsize,
2310     "move/fall speed", NULL,            "speed of element movement"
2311   },
2312   {
2313     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2314     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2315     -1,
2316     options_move_leave_type,
2317     &custom_element.move_leave_type,
2318     // left text with leading spaces to place gadget next to "can dig" gadget
2319     // (needed because drawing area gadgets created after selectbox gadgets)
2320     // "can dig:    can", ":",          "leave behind or change element"
2321     "            can", ":",             "leave behind or change element"
2322   },
2323   {
2324     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2325     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2326     -1,
2327     options_smash_targets,
2328     &custom_element.smash_targets,
2329     "can smash", NULL,                  "elements that can be smashed"
2330   },
2331   {
2332     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2333     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2334     -1,
2335     options_slippery_type,
2336     &custom_element.slippery_type,
2337     "slippery", NULL,                   "where other elements fall down"
2338   },
2339   {
2340     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2341     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2342     -1,
2343     options_deadliness,
2344     &custom_element.deadliness,
2345     "deadly when", NULL,                "deadliness of element"
2346   },
2347   {
2348     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2349     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2350     -1,
2351     options_explosion_type,
2352     &custom_element.explosion_type,
2353     "can explode", NULL,                "explosion type"
2354   },
2355
2356   /* ---------- element settings: advanced (custom elements) --------------- */
2357
2358   {
2359     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2360     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2361     -1,
2362     options_time_units,
2363     &custom_element_change.delay_frames,
2364     "delay time given in", NULL,        "delay time units for change"
2365   },
2366   {
2367     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2368     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2369     -1,
2370     options_change_direct_action,
2371     &custom_element_change.direct_action,
2372     NULL, NULL,                         "type of direct action"
2373   },
2374   {
2375     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2376     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2377     -1,
2378     options_change_other_action,
2379     &custom_element_change.other_action,
2380     NULL, "element:",                   "type of other element action"
2381   },
2382   {
2383     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2384     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2385     -1,
2386     options_change_trigger_side,
2387     &custom_element_change.trigger_side,
2388     "at", "side",                       "element side triggering change"
2389   },
2390   {
2391     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2392     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2393     -1,
2394     options_change_trigger_player,
2395     &custom_element_change.trigger_player,
2396     "player:", " ",                     "player that causes change"
2397   },
2398   {
2399     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2400     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2401     -1,
2402     options_change_trigger_page,
2403     &custom_element_change.trigger_page,
2404     "page:", NULL,                      "change page that causes change"
2405   },
2406   {
2407     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2408     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2409     -1,
2410     options_change_replace_when,
2411     &custom_element_change.replace_when,
2412     "replace when", NULL,               "which elements can be replaced"
2413   },
2414   {
2415     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2416     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2417     -1,
2418     options_action_type,
2419     &custom_element_change.action_type,
2420     NULL, NULL,                         "action on specified condition"
2421   },
2422   {
2423     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2424     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2425     -1,
2426     options_action_mode_none,
2427     &custom_element_change.action_mode,
2428     NULL, NULL,                         "action operator"
2429   },
2430   {
2431     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2432     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2433     -1,
2434     options_action_arg_none,
2435     &custom_element_change.action_arg,
2436     NULL, NULL,                         "action parameter"
2437   },
2438   {
2439     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2440     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2441     3,
2442     options_change_page,
2443     &custom_element.current_change_page,
2444     NULL, NULL,                         "element change page"
2445   },
2446
2447   /* ---------- element settings: configure (group elements) --------------- */
2448
2449   {
2450     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2451     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2452     -1,
2453     options_group_choice_mode,
2454     &group_element_info.choice_mode,
2455     "choice type:", NULL,               "type of group element choice"
2456   },
2457 };
2458
2459 static struct
2460 {
2461   int x, y;
2462   int gadget_id;
2463   int gadget_id_align;
2464   int size;
2465   char *text;
2466   char *text_left, *text_right, *infotext;
2467 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2468 {
2469   {
2470     ED_LEVEL_SETTINGS_TABS_XPOS,        ED_LEVEL_SETTINGS_TABS_YPOS,
2471     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2472     8,                                  "Level",
2473     NULL, NULL,                         "Configure level properties"
2474   },
2475   {
2476     -1,                                 -1,
2477     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVEL,
2478     8,                                  "Editor",
2479     NULL, NULL,                         "Configure editor properties"
2480   },
2481   {
2482     ED_ELEMENT_SETTINGS_TABS_XPOS,      ED_ELEMENT_SETTINGS_TABS_YPOS,
2483     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2484     8,                                  "Info",
2485     NULL, NULL,                         "Show information about element"
2486   },
2487   {
2488     -1,                                 -1,
2489     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2490     8,                                  "Config",
2491     NULL, NULL,                         "Configure element properties"
2492   },
2493   {
2494     -1,                                 -1,
2495     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2496     8,                                  "Config 1",
2497     NULL, NULL,                         "Configure element properties, part 1"
2498   },
2499   {
2500     -1,                                 -1,
2501     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2502     8,                                  "Config 2",
2503     NULL, NULL,                         "Configure element properties, part 2"
2504   },
2505   {
2506     -1,                                 -1,
2507     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2508     8,                                  "Change",
2509     NULL, NULL,                         "Configure custom element change pages"
2510   },
2511   {
2512     -1,                                 -1,
2513     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
2514     -1,                                 "Save",
2515     " ", "As Template",                 "Save current settings as new template"
2516   },
2517   {
2518     -1,                                 -1,
2519     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2520     -1,                                 "New",
2521     NULL, NULL,                         "Add new change page"
2522   },
2523   {
2524     -1,                                 -1,
2525     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2526     -1,                                 "Delete",
2527     NULL, NULL,                         "Delete current change page"
2528   },
2529 };
2530
2531 static struct
2532 {
2533   int graphic;
2534   int x, y;
2535   int gadget_id;
2536   int gadget_id_align;
2537   char *text_left, *text_right, *infotext;
2538 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2539 {
2540   {
2541     IMG_EDITOR_COUNTER_DOWN,
2542     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2543     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2544     NULL, NULL,                         "select previous change page"
2545   },
2546   {
2547     IMG_EDITOR_COUNTER_UP,
2548     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2549     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2550     NULL, "change page",                "select next change page"
2551   },
2552   {
2553     IMG_EDITOR_BUTTON_GFX_CP_COPY,
2554     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2555     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2556     " ", NULL,                          "copy settings from this change page"
2557   },
2558   {
2559     IMG_EDITOR_BUTTON_GFX_CP_PASTE,
2560     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2561     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2562     NULL, NULL,                         "paste settings to this change page"
2563   },
2564 };
2565
2566 static struct
2567 {
2568   int x, y;
2569 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2570
2571 static struct
2572 {
2573   int graphic;
2574   int gadget_id;
2575   char *infotext;
2576 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2577 {
2578   {
2579     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2580     GADGET_ID_SCROLL_UP,
2581     "scroll level editing area up"
2582   },
2583   {
2584     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2585     GADGET_ID_SCROLL_DOWN,
2586     "scroll level editing area down"
2587   },
2588   {
2589     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2590     GADGET_ID_SCROLL_LEFT,
2591     "scroll level editing area left"
2592   },
2593   {
2594     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2595     GADGET_ID_SCROLL_RIGHT,
2596     "scroll level editing area right"
2597   },
2598   {
2599     IMG_EDITOR_PALETTE_SCROLL_UP,
2600     GADGET_ID_SCROLL_LIST_UP,
2601     "scroll element list up ('Page Up')"
2602   },
2603   {
2604     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2605     GADGET_ID_SCROLL_LIST_DOWN,
2606     "scroll element list down ('Page Down')"
2607   },
2608 };
2609
2610 static struct
2611 {
2612   int x, y;
2613   int width, height;
2614   int wheel_x, wheel_y;
2615   int wheel_width, wheel_height;
2616 } scrollbar_pos[ED_NUM_SCROLLBARS];
2617
2618 static struct
2619 {
2620   int graphic;
2621   int type;
2622   int gadget_id;
2623   char *infotext;
2624 } scrollbar_info[ED_NUM_SCROLLBARS] =
2625 {
2626   {
2627     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2628     GD_TYPE_SCROLLBAR_HORIZONTAL,
2629     GADGET_ID_SCROLL_HORIZONTAL,
2630     "scroll level editing area horizontally"
2631   },
2632   {
2633     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2634     GD_TYPE_SCROLLBAR_VERTICAL,
2635     GADGET_ID_SCROLL_VERTICAL,
2636     "scroll level editing area vertically"
2637   },
2638   {
2639     IMG_EDITOR_PALETTE_SCROLLBAR,
2640     GD_TYPE_SCROLLBAR_VERTICAL,
2641     GADGET_ID_SCROLL_LIST_VERTICAL,
2642     "scroll element list vertically"
2643   }
2644 };
2645
2646
2647 static struct
2648 {
2649   int x, y;
2650   int gadget_id;
2651   int gadget_id_align;
2652   int radio_button_nr;
2653   int *value;
2654   int checked_value;
2655   char *text_left, *text_right, *infotext;
2656 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2657 {
2658   {
2659     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2660     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2661     RADIO_NR_RANDOM_ELEMENTS,
2662     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2663     " ", "percentage",                  "use percentage for random elements"
2664   },
2665   {
2666     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2667     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2668     RADIO_NR_RANDOM_ELEMENTS,
2669     &random_placement_method,           RANDOM_USE_QUANTITY,
2670     " ", "quantity",                    "use quantity for random elements"
2671   }
2672 };
2673
2674 static struct
2675 {
2676   int x, y;
2677   int gadget_id;
2678   int gadget_id_align;
2679   boolean *value;
2680   char *text_left, *text_right, *infotext;
2681 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2682 {
2683   /* ---------- level and editor settings ---------------------------------- */
2684
2685   {
2686     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2687     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2688     &random_placement_background_restricted,
2689     NULL,
2690     "restrict random placement to:",    "set random placement restriction"
2691   },
2692
2693   /* ---------- element settings: configure (various elements) ------------- */
2694
2695   {
2696     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2697     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2698     &stick_element_properties_window,
2699     NULL,
2700     "stick this screen to edit content","stick this screen to edit content"
2701   },
2702   {
2703     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2704     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2705     &level.em_slippery_gems,
2706     NULL,
2707     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2708   },
2709   {
2710     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2711     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2712     &level.em_explodes_by_fire,
2713     NULL,
2714     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2715   },
2716   {
2717     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2718     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2719     &level.use_spring_bug,
2720     NULL,
2721     "use spring pushing bug",           "use odd spring pushing behaviour"
2722   },
2723   {
2724     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2725     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2726     &level.use_time_orb_bug,
2727     NULL,
2728     "use time orb bug",                 "use odd time orb behaviour"
2729   },
2730   {
2731     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2732     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2733     &level.ball_random,
2734     NULL,
2735     "create single random element",     "only create one element from content"
2736   },
2737   {
2738     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2739     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2740     &level.ball_state_initial,
2741     NULL,
2742     "magic ball initially activated",   "activate magic ball after level start"
2743   },
2744   {
2745     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2746     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2747     &level.grow_into_diggable,
2748     NULL,
2749     "can grow into anything diggable",  "grow into more than just sand"
2750   },
2751   {
2752     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2753     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2754     &level.auto_exit_sokoban,
2755     NULL,
2756     "exit level if all fields solved",  "automatically finish Sokoban levels"
2757   },
2758   {
2759     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2760     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2761     &level.continuous_snapping,
2762     NULL,
2763     "continuous snapping",              "use snapping without releasing key"
2764   },
2765   {
2766     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2767     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2768     &level.block_snap_field,
2769     NULL,
2770     "block snapped field when snapping", "use snapping delay to show animation"
2771   },
2772   {
2773     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2774     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2775     &level.block_last_field,
2776     NULL,
2777     "block last field when moving",     "player blocks last field when moving"
2778   },
2779   {
2780     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2781     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2782     &level.sp_block_last_field,
2783     NULL,
2784     "block last field when moving",     "player blocks last field when moving"
2785   },
2786   {
2787     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2788     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2789     &level.instant_relocation,
2790     NULL,
2791     "no scrolling when relocating",     "player gets relocated without delay"
2792   },
2793   {
2794     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2795     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2796     &level.shifted_relocation,
2797     NULL,
2798     "no centering when relocating",     "level not centered after relocation"
2799   },
2800   {
2801     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2802     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2803     &level.use_start_element[0],
2804     NULL,
2805     "use level start element:",        "start level at this element's position"
2806   },
2807   {
2808     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2809     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2810     &level.use_artwork_element[0],
2811     NULL,
2812     "use artwork from element:",        "use player artwork from other element"
2813   },
2814   {
2815     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2816     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2817     &level.use_explosion_element[0],
2818     NULL,
2819     "use explosion from element:",      "use explosion properties from element"
2820   },
2821   {
2822     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2823     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
2824     &level.initial_player_gravity[0],
2825     NULL,
2826     "use initial gravity",              "set initial player gravity"
2827   },
2828   {
2829     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2830     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
2831     &level.use_initial_inventory[0],
2832     NULL,
2833     "use initial inventory:",           "use collected elements on level start"
2834   },
2835   {
2836     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2837     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2838     &level.can_pass_to_walkable,
2839     NULL,
2840     "can pass to walkable element",     "player can pass to empty or walkable"
2841   },
2842   {
2843     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2844     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2845     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2846     NULL,
2847     "can fall into acid (with gravity)","player can fall into acid pool"
2848   },
2849   {
2850     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2851     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2852     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2853     NULL,
2854     "can move into acid",               "element can move into acid pool"
2855   },
2856   {
2857     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2858     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2859     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2860     NULL,
2861     "deadly when colliding with",       "element is deadly when hitting player"
2862   },
2863   {
2864     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2865     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
2866     &level.envelope[0].autowrap,
2867     NULL,
2868     "auto-wrap",                        "automatically wrap envelope text"
2869   },
2870   {
2871     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
2872     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
2873     &level.envelope[0].centered,
2874     " ",
2875     "centered",                         "automatically center envelope text"
2876   },
2877
2878   /* ---------- element settings: configure 1 (custom elements) ----------- */
2879
2880   {
2881     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2882     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2883     &custom_element.use_gfx_element,
2884     NULL,
2885     "use graphic of element:",          "use existing element graphic"
2886   },
2887   {
2888     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2889     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2890     &level.use_custom_template,
2891     NULL,
2892     "use template",                     "use template for custom properties"
2893   },
2894   {
2895     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2896     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2897     &custom_element_properties[EP_ACCESSIBLE],
2898     NULL,
2899     NULL,                               "player can walk to or pass this field"
2900   },
2901   {
2902     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2903     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2904     &custom_element_properties[EP_GRAVITY_REACHABLE],
2905     NULL,
2906     "reachable despite gravity",        "player can walk/dig despite gravity"
2907   },
2908   {
2909     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2910     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
2911     &custom_element.use_last_ce_value,
2912     NULL,
2913     "use last CE value after change",   "use last CE value after change"
2914   },
2915   {
2916     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2917     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2918     &custom_element_properties[EP_WALK_TO_OBJECT],
2919     NULL,
2920     NULL,                               "player can dig/collect/push element"
2921   },
2922   {
2923     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2924     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
2925     &custom_element_properties[EP_INDESTRUCTIBLE],
2926     NULL,
2927     "indestructible",                   "element is indestructible"
2928   },
2929
2930   /* ---------- element settings: configure 2 (custom elements) ----------- */
2931
2932   {
2933     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2934     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2935     &custom_element_properties[EP_CAN_MOVE],
2936     NULL,
2937     NULL,                               "element can move with some pattern"
2938   },
2939   {
2940     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2941     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2942     &custom_element_properties[EP_CAN_FALL],
2943     NULL,
2944     "can fall",                         "element can fall down"
2945   },
2946   {
2947     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2948     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2949     &custom_element_properties[EP_CAN_SMASH],
2950     " ",
2951     NULL,                               "element can smash other elements"
2952   },
2953   {
2954     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2955     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2956     &custom_element_properties[EP_SLIPPERY],
2957     NULL,
2958     NULL,                               "other elements can fall down from it"
2959   },
2960   {
2961     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2962     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
2963     &custom_element_properties[EP_DEADLY],
2964     NULL,
2965     NULL,                               "element can kill the player"
2966   },
2967   {
2968     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2969     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
2970     &custom_element_properties[EP_CAN_EXPLODE],
2971     NULL,
2972     NULL,                               "element can explode"
2973   },
2974   {
2975     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2976     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
2977     &custom_element_properties[EP_EXPLODES_BY_FIRE],
2978     NULL,
2979     "by fire",                          "element can explode by fire/explosion"
2980   },
2981   {
2982     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2983     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
2984     &custom_element_properties[EP_EXPLODES_SMASHED],
2985     " ",
2986     "smashed",                          "element can explode when smashed"
2987   },
2988   {
2989     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2990     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
2991     &custom_element_properties[EP_EXPLODES_IMPACT],
2992     " ",
2993     "impact",                           "element can explode on impact"
2994   },
2995
2996   /* ---------- element settings: advanced (custom elements) --------------- */
2997
2998   {
2999     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3000     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3001     &custom_element_change.can_change,
3002     NULL,
3003     "element changes to:",              "change element on specified condition"
3004   },
3005   {
3006     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3007     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3008     &custom_element_change_events[CE_DELAY],
3009     NULL,
3010     NULL,                               "element changes after delay"
3011   },
3012   {
3013     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3014     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3015     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3016     NULL,
3017     NULL,                               "element changes by direct action"
3018   },
3019   {
3020     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3021     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3022     &custom_element_change_events[CE_BY_OTHER_ACTION],
3023     NULL,
3024     NULL,                               "element changes by other element"
3025   },
3026   {
3027     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3028     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3029     &custom_element_change.explode,
3030     NULL,
3031     "explode instead of change",        "element explodes instead of change"
3032   },
3033   {
3034     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3035     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3036     &custom_element_change.use_target_content,
3037     NULL,
3038     "use extended change target:",      "element changes to more elements"
3039   },
3040   {
3041     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3042     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3043     &custom_element_change.only_if_complete,
3044     NULL,
3045     "replace all or nothing",           "only replace when all can be changed"
3046   },
3047   {
3048     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3049     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3050     &custom_element_change.use_random_replace,
3051     NULL,
3052     NULL,                               "use percentage for random replace"
3053   },
3054   {
3055     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3056     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3057     &custom_element_change.has_action,
3058     NULL,
3059     NULL,                               "execute action on specified condition"
3060   },
3061 };
3062
3063 static struct
3064 {
3065   int x, y;
3066   int xoffset, yoffset;
3067   int gadget_id;
3068   int gadget_id_align;
3069   int *value;
3070   int area_xsize, area_ysize;
3071   char *text_left, *text_right, *text_below, *infotext;
3072 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3073 {
3074   /* ---------- level playfield content ------------------------------------ */
3075
3076   {
3077     0,                                  0,
3078     0,                                  0,
3079     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3080     NULL,
3081     -1, -1,     /* these values are not constant, but can change at runtime */
3082     NULL, NULL, NULL,                   NULL
3083   },
3084
3085   /* ---------- yam yam content -------------------------------------------- */
3086
3087   {
3088     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3089     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3090     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3091     &level.yamyam_content[0].e[0][0],   3, 3,
3092     NULL, NULL, "1",                    NULL
3093   },
3094   {
3095     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3096     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3097     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3098     &level.yamyam_content[1].e[0][0],   3, 3,
3099     NULL, NULL, "2",                    NULL
3100   },
3101   {
3102     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3103     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3104     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3105     &level.yamyam_content[2].e[0][0],   3, 3,
3106     NULL, NULL, "3",                    NULL
3107   },
3108   {
3109     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3110     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3111     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3112     &level.yamyam_content[3].e[0][0],   3, 3,
3113     NULL, NULL, "4",                    NULL
3114   },
3115   {
3116     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3117     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3118     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3119     &level.yamyam_content[4].e[0][0],   3, 3,
3120     NULL, NULL, "5",                    NULL
3121   },
3122   {
3123     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3124     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3125     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3126     &level.yamyam_content[5].e[0][0],   3, 3,
3127     NULL, NULL, "6",                    NULL
3128   },
3129   {
3130     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3131     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3132     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3133     &level.yamyam_content[6].e[0][0],   3, 3,
3134     NULL, NULL, "7",                    NULL
3135   },
3136   {
3137     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3138     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3139     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3140     &level.yamyam_content[7].e[0][0],   3, 3,
3141     NULL, NULL, "8",                    NULL
3142   },
3143
3144   /* ---------- magic ball content ----------------------------------------- */
3145
3146   {
3147     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3148     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3149     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3150     &level.ball_content[0].e[0][0],     3, 3,
3151     NULL, NULL, "1",                    NULL
3152   },
3153   {
3154     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3155     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3156     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3157     &level.ball_content[1].e[0][0],     3, 3,
3158     NULL, NULL, "2",                    NULL
3159   },
3160   {
3161     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3162     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3163     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3164     &level.ball_content[2].e[0][0],     3, 3,
3165     NULL, NULL, "3",                    NULL
3166   },
3167   {
3168     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3169     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3170     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3171     &level.ball_content[3].e[0][0],     3, 3,
3172     NULL, NULL, "4",                    NULL
3173   },
3174   {
3175     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3176     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3177     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3178     &level.ball_content[4].e[0][0],     3, 3,
3179     NULL, NULL, "5",                    NULL
3180   },
3181   {
3182     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3183     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3184     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3185     &level.ball_content[5].e[0][0],     3, 3,
3186     NULL, NULL, "6",                    NULL
3187   },
3188   {
3189     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3190     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3191     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3192     &level.ball_content[6].e[0][0],     3, 3,
3193     NULL, NULL, "7",                    NULL
3194   },
3195   {
3196     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3197     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3198     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3199     &level.ball_content[7].e[0][0],     3, 3,
3200     NULL, NULL, "8",                    NULL
3201   },
3202
3203   /* ---------- android content -------------------------------------------- */
3204
3205   {
3206     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3207     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3208     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3209     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3210     "elements:", NULL, NULL,            "elements android can clone"
3211   },
3212
3213   /* ---------- amoeba content --------------------------------------------- */
3214
3215   {
3216     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3217     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3218     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3219     &level.amoeba_content,              1, 1,
3220     "content:", NULL, NULL,             "amoeba content"
3221   },
3222
3223   /* ---------- level start element ---------------------------------------- */
3224
3225   {
3226     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(9),
3227     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3228     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3229     &level.start_element[0],            1, 1,
3230     NULL, NULL, NULL,                   "level start element"
3231   },
3232
3233   /* ---------- player artwork element ------------------------------------- */
3234
3235   {
3236     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3237     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3238     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3239     &level.artwork_element[0],          1, 1,
3240     NULL, NULL, NULL,                   "element for player artwork"
3241   },
3242
3243   /* ---------- player explosion element ----------------------------------- */
3244
3245   {
3246     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3247     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3248     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3249     &level.explosion_element[0],        1, 1,
3250     NULL, NULL, NULL,                   "element for player explosion"
3251   },
3252
3253   /* ---------- player initial inventory ----------------------------------- */
3254
3255   {
3256     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3257     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3258     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3259     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3260     NULL, NULL, NULL,                   "content for initial inventory"
3261   },
3262
3263   /* ---------- element settings: configure 1 (custom elements) ----------- */
3264
3265   /* ---------- custom graphic --------------------------------------------- */
3266
3267   {
3268     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3269     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3270     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3271     &custom_element.gfx_element_initial,1, 1,
3272     NULL, NULL, NULL,                   "custom graphic element"
3273   },
3274
3275   /* ---------- element settings: configure 2 (custom elements) ----------- */
3276
3277   /* ---------- custom content (when exploding) ---------------------------- */
3278
3279   {
3280     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3281     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3282     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3283     &custom_element.content.e[0][0],    3, 3,
3284     "content:", NULL, NULL,             NULL
3285   },
3286
3287   /* ---------- custom enter and leave element (when moving) --------------- */
3288
3289   {
3290     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3291     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3292     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3293     &custom_element.move_enter_element, 1, 1,
3294     "can dig:", " ", NULL,              "element that can be digged/collected"
3295   },
3296   {
3297     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3298     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3299     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3300     &custom_element.move_leave_element, 1, 1,
3301     NULL, NULL, NULL,                   "element that will be left behind"
3302   },
3303
3304   /* ---------- element settings: advanced (custom elements) --------------- */
3305
3306   /* ---------- custom change target --------------------------------------- */
3307
3308   {
3309     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3310     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3311     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3312     &custom_element_change.target_element, 1, 1,
3313     NULL, "after/when:", NULL,          "new target element after change"
3314   },
3315
3316   /* ---------- custom change content (extended change target) ------------- */
3317
3318   {
3319     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3320     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3321     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3322     &custom_element_change.target_content.e[0][0], 3, 3,
3323     NULL, NULL, NULL,                   "new extended elements after change"
3324   },
3325
3326   /* ---------- custom change trigger (element causing change) ------------- */
3327
3328   {
3329     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3330     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3331     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3332     &custom_element_change.initial_trigger_element, 1, 1,
3333     NULL, NULL, NULL,                   "other element triggering change"
3334   },
3335
3336   /* ---------- custom change action (element used for action) ------------- */
3337
3338   {
3339     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3340     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3341     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3342     &custom_element_change.action_element, 1, 1,
3343     NULL, NULL, NULL,                   "element used as action parameter"
3344   },
3345
3346   /* ---------- group element content -------------------------------------- */
3347
3348   {
3349     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3350     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3351     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3352     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3353     "content:", NULL, NULL,             NULL
3354   },
3355
3356   /* ---------- random background (for random painting) -------------------- */
3357
3358   {
3359     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3360     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3361     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3362     &random_placement_background_element, 1, 1,
3363     NULL, NULL, NULL,                   "random placement background"
3364   },
3365 };
3366
3367
3368 /*
3369   -----------------------------------------------------------------------------
3370   some internally used variables
3371   -----------------------------------------------------------------------------
3372 */
3373
3374 /* maximal size of level editor drawing area */
3375 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3376
3377 /* actual size of level editor drawing area */
3378 static int ed_fieldx, ed_fieldy;
3379
3380 /* actual position of level editor drawing area in level playfield */
3381 static int level_xpos = -1, level_ypos = -1;
3382
3383 /* actual tile size used to display playfield drawing area */
3384 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3385
3386 /* actual tile size used to display config drawing areas */
3387 static int ed_config_tilesize = DEFAULT_EDITOR_TILESIZE;
3388
3389 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3390
3391 /* drawing elements on the three mouse buttons */
3392 static int new_element1 = EL_WALL;
3393 static int new_element2 = EL_EMPTY;
3394 static int new_element3 = EL_SAND;
3395
3396 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3397 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3398                                 (button) == 2 ? new_element2 : \
3399                                 (button) == 3 ? new_element3 : EL_EMPTY)
3400 #define BUTTON_STEPSIZE(button) ((button) == 1 ?  1 : \
3401                                  (button) == 2 ?  5 : \
3402                                  (button) == 3 ? 10 : \
3403                                  (button))
3404
3405 /* forward declaration for internal use */
3406 static void ModifyEditorCounterValue(int, int);
3407 static void ModifyEditorCounterLimits(int, int, int);
3408 static void ModifyEditorSelectboxValue(int, int);
3409 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3410 static void ModifyEditorDrawingArea(int, int, int);
3411 static void ModifyEditorElementList();
3412 static void AdjustElementListScrollbar();
3413 static void RedrawDrawingElements();
3414 static void DrawDrawingWindow();
3415 static void DrawLevelInfoWindow();
3416 static void DrawPropertiesWindow();
3417 static void UpdateCustomElementGraphicGadgets();
3418 static boolean checkPropertiesConfig(int);
3419 static void CopyLevelToUndoBuffer(int);
3420 static void HandleDrawingAreas(struct GadgetInfo *);
3421 static void HandleCounterButtons(struct GadgetInfo *);
3422 static void HandleTextInputGadgets(struct GadgetInfo *);
3423 static void HandleTextAreaGadgets(struct GadgetInfo *);
3424 static void HandleSelectboxGadgets(struct GadgetInfo *);
3425 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3426 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3427 static void HandleRadiobuttons(struct GadgetInfo *);
3428 static void HandleCheckbuttons(struct GadgetInfo *);
3429 static void HandleControlButtons(struct GadgetInfo *);
3430 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3431 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3432
3433 static int num_editor_gadgets = 0;      /* dynamically determined */
3434
3435 static struct GadgetInfo **level_editor_gadget = NULL;
3436 static int *right_gadget_border = NULL;
3437
3438 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3439 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3440 static boolean draw_with_brush = FALSE;
3441 static int properties_element = 0;
3442
3443 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3444 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3445 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3446 static int undo_buffer_position = 0;
3447 static int undo_buffer_steps = 0;
3448 static int redo_buffer_steps = 0;
3449
3450 static int edit_mode;
3451 static int edit_mode_levelinfo;
3452 static int edit_mode_properties;
3453
3454 static int element_shift = 0;
3455
3456 static int editor_el_players[] =
3457 {
3458   EL_PLAYER_1,
3459   EL_PLAYER_2,
3460   EL_PLAYER_3,
3461   EL_PLAYER_4
3462 };
3463 static int *editor_el_players_ptr = editor_el_players;
3464 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3465
3466 static int editor_hl_boulderdash[] =
3467 {
3468   EL_INTERNAL_CASCADE_BD_ACTIVE,
3469   EL_CHAR('B'),
3470   EL_CHAR('D'),
3471   EL_EMPTY,
3472 };
3473
3474 static int editor_el_boulderdash[] =
3475 {
3476   EL_EMPTY,
3477   EL_SAND,
3478   EL_BD_ROCK,
3479   EL_BD_DIAMOND,
3480
3481   EL_STEELWALL,
3482   EL_BD_WALL,
3483   EL_BD_EXPANDABLE_WALL,
3484   EL_BD_MAGIC_WALL,
3485
3486   EL_BD_AMOEBA,
3487   EL_BD_BUTTERFLY_UP,
3488   EL_BD_FIREFLY_UP,
3489   EL_EXIT_CLOSED,
3490
3491   EL_BD_BUTTERFLY_LEFT,
3492   EL_BD_FIREFLY_LEFT,
3493   EL_BD_BUTTERFLY_RIGHT,
3494   EL_BD_FIREFLY_RIGHT,
3495
3496   EL_EMPTY,
3497   EL_BD_BUTTERFLY_DOWN,
3498   EL_BD_FIREFLY_DOWN,
3499   EL_EXIT_OPEN,
3500 };
3501 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3502 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3503 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3504 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3505
3506 static int editor_hl_emerald_mine[] =
3507 {
3508   EL_INTERNAL_CASCADE_EM_ACTIVE,
3509   EL_CHAR('E'),
3510   EL_CHAR('M'),
3511   EL_EMPTY,
3512 };
3513
3514 static int editor_el_emerald_mine[] =
3515 {
3516   EL_SAND,
3517   EL_ROCK,
3518   EL_QUICKSAND_EMPTY,
3519   EL_QUICKSAND_FULL,
3520
3521   EL_STEELWALL,
3522   EL_WALL,
3523   EL_WALL_SLIPPERY,
3524   EL_MAGIC_WALL,
3525
3526   EL_EMERALD,
3527   EL_DIAMOND,
3528   EL_NUT,
3529   EL_BOMB,
3530
3531   EL_WALL_EMERALD,
3532   EL_WALL_DIAMOND,
3533   EL_DYNAMITE,
3534   EL_DYNAMITE_ACTIVE,
3535
3536   EL_YAMYAM,
3537   EL_BUG_UP,
3538   EL_SPACESHIP_UP,
3539   EL_ROBOT,
3540
3541   EL_BUG_LEFT,
3542   EL_SPACESHIP_LEFT,
3543   EL_BUG_RIGHT,
3544   EL_SPACESHIP_RIGHT,
3545
3546   EL_ROBOT_WHEEL,
3547   EL_BUG_DOWN,
3548   EL_SPACESHIP_DOWN,
3549   EL_INVISIBLE_WALL,
3550
3551   EL_ACID_POOL_TOPLEFT,
3552   EL_ACID,
3553   EL_ACID_POOL_TOPRIGHT,
3554   EL_AMOEBA_DROP,
3555
3556   EL_ACID_POOL_BOTTOMLEFT,
3557   EL_ACID_POOL_BOTTOM,
3558   EL_ACID_POOL_BOTTOMRIGHT,
3559   EL_AMOEBA_WET,
3560
3561   EL_EM_KEY_1,
3562   EL_EM_KEY_2,
3563   EL_EM_KEY_3,
3564   EL_EM_KEY_4,
3565
3566   EL_EM_GATE_1,
3567   EL_EM_GATE_2,
3568   EL_EM_GATE_3,
3569   EL_EM_GATE_4,
3570
3571   EL_EM_GATE_1_GRAY,
3572   EL_EM_GATE_2_GRAY,
3573   EL_EM_GATE_3_GRAY,
3574   EL_EM_GATE_4_GRAY,
3575
3576   EL_EM_EXIT_CLOSED,
3577   EL_EM_EXIT_OPEN,
3578   EL_EM_STEEL_EXIT_CLOSED,
3579   EL_EM_STEEL_EXIT_OPEN,
3580 };
3581 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3582 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3583 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3584 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3585
3586 static int editor_hl_emerald_mine_club[] =
3587 {
3588   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3589   EL_CHAR('E'),
3590   EL_CHAR('M'),
3591   EL_CHAR('C'),
3592 };
3593
3594 static int editor_el_emerald_mine_club[] =
3595 {
3596   EL_EMC_KEY_5,
3597   EL_EMC_KEY_6,
3598   EL_EMC_KEY_7,
3599   EL_EMC_KEY_8,
3600
3601   EL_EMC_GATE_5,
3602   EL_EMC_GATE_6,
3603   EL_EMC_GATE_7,
3604   EL_EMC_GATE_8,
3605
3606   EL_EMC_GATE_5_GRAY,
3607   EL_EMC_GATE_6_GRAY,
3608   EL_EMC_GATE_7_GRAY,
3609   EL_EMC_GATE_8_GRAY,
3610
3611   EL_EMC_STEELWALL_1,
3612   EL_EMC_STEELWALL_2,
3613   EL_EMC_STEELWALL_3,
3614   EL_EMC_STEELWALL_4,
3615
3616   EL_EMC_WALL_13,
3617   EL_EMC_WALL_14,
3618   EL_EMC_WALL_15,
3619   EL_EMC_WALL_16,
3620
3621   EL_EMC_WALL_SLIPPERY_1,
3622   EL_EMC_WALL_SLIPPERY_2,
3623   EL_EMC_WALL_SLIPPERY_3,
3624   EL_EMC_WALL_SLIPPERY_4,
3625
3626   EL_EMC_WALL_1,
3627   EL_EMC_WALL_2,
3628   EL_EMC_WALL_3,
3629   EL_EMC_WALL_4,
3630
3631   EL_EMC_WALL_5,
3632   EL_EMC_WALL_6,
3633   EL_EMC_WALL_7,
3634   EL_EMC_WALL_8,
3635
3636   EL_EMC_WALL_9,
3637   EL_EMC_WALL_10,
3638   EL_EMC_WALL_11,
3639   EL_EMC_WALL_12,
3640
3641   EL_EMC_GRASS,
3642   EL_EMC_FAKE_GRASS,
3643   EL_EMC_PLANT,
3644   EL_EMC_DRIPPER,
3645
3646   EL_EMC_MAGIC_BALL,
3647   EL_EMC_MAGIC_BALL_SWITCH,
3648   EL_SPRING,
3649   EL_EMC_SPRING_BUMPER,
3650
3651   EL_EMC_LENSES,
3652   EL_EMC_MAGNIFIER,
3653   EL_EM_DYNAMITE,
3654   EL_EM_DYNAMITE_ACTIVE,
3655
3656   EL_BALLOON,
3657   EL_YAMYAM_UP,
3658   EL_BALLOON_SWITCH_UP,
3659   EL_BALLOON_SWITCH_ANY,
3660
3661   EL_YAMYAM_LEFT,
3662   EL_BALLOON_SWITCH_LEFT,
3663   EL_YAMYAM_RIGHT,
3664   EL_BALLOON_SWITCH_RIGHT,
3665
3666   EL_EMC_ANDROID,
3667   EL_YAMYAM_DOWN,
3668   EL_BALLOON_SWITCH_DOWN,
3669   EL_BALLOON_SWITCH_NONE,
3670 };
3671 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3672 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3673 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3674 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3675
3676 static int editor_hl_rnd[] =
3677 {
3678   EL_INTERNAL_CASCADE_RND_ACTIVE,
3679   EL_CHAR('R'),
3680   EL_CHAR('N'),
3681   EL_CHAR('D'),
3682 };
3683
3684 static int editor_el_rnd[] =
3685 {
3686   EL_KEY_1,
3687   EL_KEY_2,
3688   EL_KEY_3,
3689   EL_KEY_4,
3690
3691   EL_GATE_1,
3692   EL_GATE_2,
3693   EL_GATE_3,
3694   EL_GATE_4,
3695
3696   EL_GATE_1_GRAY,
3697   EL_GATE_2_GRAY,
3698   EL_GATE_3_GRAY,
3699   EL_GATE_4_GRAY,
3700
3701   EL_ARROW_LEFT,
3702   EL_ARROW_RIGHT,
3703   EL_ARROW_UP,
3704   EL_ARROW_DOWN,
3705
3706   EL_AMOEBA_DEAD,
3707   EL_AMOEBA_DRY,
3708   EL_AMOEBA_FULL,
3709   EL_GAME_OF_LIFE,
3710
3711   EL_EMERALD_YELLOW,
3712   EL_EMERALD_RED,
3713   EL_EMERALD_PURPLE,
3714   EL_BIOMAZE,
3715
3716   EL_WALL_EMERALD_YELLOW,
3717   EL_WALL_EMERALD_RED,
3718   EL_WALL_EMERALD_PURPLE,
3719   EL_WALL_BD_DIAMOND,
3720
3721   EL_SPEED_PILL,
3722   EL_PACMAN_UP,
3723   EL_TIME_ORB_FULL,
3724   EL_TIME_ORB_EMPTY,
3725
3726   EL_PACMAN_LEFT,
3727   EL_DARK_YAMYAM,
3728   EL_PACMAN_RIGHT,
3729   EL_EMPTY,
3730
3731   EL_BLACK_ORB,
3732   EL_PACMAN_DOWN,
3733   EL_LAMP,
3734   EL_LAMP_ACTIVE,
3735
3736   EL_DYNABOMB_INCREASE_NUMBER,
3737   EL_DYNABOMB_INCREASE_SIZE,
3738   EL_DYNABOMB_INCREASE_POWER,
3739   EL_STONEBLOCK,
3740
3741   EL_MOLE,
3742   EL_PENGUIN,
3743   EL_PIG,
3744   EL_DRAGON,
3745
3746   EL_BUG,
3747   EL_MOLE_UP,
3748   EL_BD_BUTTERFLY,
3749   EL_BD_FIREFLY,
3750
3751   EL_MOLE_LEFT,
3752   EL_SATELLITE,
3753   EL_MOLE_RIGHT,
3754   EL_PACMAN,
3755
3756   EL_SPACESHIP,
3757   EL_MOLE_DOWN,
3758   EL_INVISIBLE_STEELWALL,
3759   EL_INVISIBLE_WALL,
3760
3761   EL_EXPANDABLE_WALL,
3762   EL_EXPANDABLE_WALL_HORIZONTAL,
3763   EL_EXPANDABLE_WALL_VERTICAL,
3764   EL_EXPANDABLE_WALL_ANY,
3765 };
3766 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3767 static int *editor_el_rnd_ptr = editor_el_rnd;
3768 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3769 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3770
3771 static int editor_hl_sokoban[] =
3772 {
3773   EL_INTERNAL_CASCADE_SB_ACTIVE,
3774   EL_CHAR('S'),
3775   EL_CHAR('B'),
3776   EL_EMPTY,
3777 };
3778
3779 static int editor_el_sokoban[] =
3780 {
3781   EL_SOKOBAN_OBJECT,
3782   EL_SOKOBAN_FIELD_EMPTY,
3783   EL_SOKOBAN_FIELD_FULL,
3784   EL_SOKOBAN_FIELD_PLAYER,
3785 };
3786 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3787 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3788 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3789 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3790
3791 static int editor_hl_supaplex[] =
3792 {
3793   EL_INTERNAL_CASCADE_SP_ACTIVE,
3794   EL_CHAR('S'),
3795   EL_CHAR('P'),
3796   EL_EMPTY,
3797 };
3798
3799 static int editor_el_supaplex[] =
3800 {
3801   EL_SP_MURPHY,
3802   EL_EMPTY,
3803   EL_SP_BASE,
3804   EL_SP_BUGGY_BASE,
3805
3806   EL_SP_INFOTRON,
3807   EL_SP_ZONK,
3808   EL_SP_SNIKSNAK,
3809   EL_SP_ELECTRON,
3810
3811   EL_SP_DISK_RED,
3812   EL_SP_DISK_ORANGE,
3813   EL_SP_DISK_YELLOW,
3814   EL_SP_TERMINAL,
3815
3816   EL_SP_EXIT_CLOSED,
3817   EL_SP_PORT_HORIZONTAL,
3818   EL_SP_PORT_VERTICAL,
3819   EL_SP_PORT_ANY,
3820
3821   EL_SP_PORT_LEFT,
3822   EL_SP_PORT_RIGHT,
3823   EL_SP_PORT_UP,
3824   EL_SP_PORT_DOWN,
3825
3826   EL_SP_GRAVITY_PORT_LEFT,
3827   EL_SP_GRAVITY_PORT_RIGHT,
3828   EL_SP_GRAVITY_PORT_UP,
3829   EL_SP_GRAVITY_PORT_DOWN,
3830
3831   EL_SP_GRAVITY_ON_PORT_LEFT,
3832   EL_SP_GRAVITY_ON_PORT_RIGHT,
3833   EL_SP_GRAVITY_ON_PORT_UP,
3834   EL_SP_GRAVITY_ON_PORT_DOWN,
3835
3836   EL_SP_GRAVITY_OFF_PORT_LEFT,
3837   EL_SP_GRAVITY_OFF_PORT_RIGHT,
3838   EL_SP_GRAVITY_OFF_PORT_UP,
3839   EL_SP_GRAVITY_OFF_PORT_DOWN,
3840
3841   EL_SP_HARDWARE_GRAY,
3842   EL_SP_HARDWARE_GREEN,
3843   EL_SP_HARDWARE_BLUE,
3844   EL_SP_HARDWARE_RED,
3845
3846   EL_SP_HARDWARE_BASE_1,
3847   EL_SP_HARDWARE_BASE_2,
3848   EL_SP_HARDWARE_BASE_3,
3849   EL_SP_HARDWARE_BASE_4,
3850
3851   EL_SP_HARDWARE_BASE_5,
3852   EL_SP_HARDWARE_BASE_6,
3853   EL_SP_HARDWARE_YELLOW,
3854   EL_SP_CHIP_TOP,
3855
3856   EL_SP_CHIP_SINGLE,
3857   EL_SP_CHIP_LEFT,
3858   EL_SP_CHIP_RIGHT,
3859   EL_SP_CHIP_BOTTOM,
3860 };
3861 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3862 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3863 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3864 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3865
3866 static int editor_hl_diamond_caves[] =
3867 {
3868   EL_INTERNAL_CASCADE_DC_ACTIVE,
3869   EL_CHAR('D'),
3870   EL_CHAR('C'),
3871   EL_CHAR('2'),
3872 };
3873
3874 static int editor_el_diamond_caves[] =
3875 {
3876   EL_PEARL,
3877   EL_CRYSTAL,
3878   EL_WALL_PEARL,
3879   EL_WALL_CRYSTAL,
3880
3881   EL_CONVEYOR_BELT_1_LEFT,
3882   EL_CONVEYOR_BELT_1_MIDDLE,
3883   EL_CONVEYOR_BELT_1_RIGHT,
3884   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3885
3886   EL_CONVEYOR_BELT_2_LEFT,
3887   EL_CONVEYOR_BELT_2_MIDDLE,
3888   EL_CONVEYOR_BELT_2_RIGHT,
3889   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3890
3891   EL_CONVEYOR_BELT_3_LEFT,
3892   EL_CONVEYOR_BELT_3_MIDDLE,
3893   EL_CONVEYOR_BELT_3_RIGHT,
3894   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3895
3896   EL_CONVEYOR_BELT_4_LEFT,
3897   EL_CONVEYOR_BELT_4_MIDDLE,
3898   EL_CONVEYOR_BELT_4_RIGHT,
3899   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3900
3901   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3902   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3903   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3904   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3905
3906   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3907   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3908   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3909   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3910
3911   EL_TIMEGATE_CLOSED,
3912   EL_TIMEGATE_OPEN,
3913   EL_TIMEGATE_SWITCH,
3914   EL_DC_TIMEGATE_SWITCH,
3915
3916   EL_SWITCHGATE_CLOSED,
3917   EL_SWITCHGATE_OPEN,
3918   EL_SWITCHGATE_SWITCH_UP,
3919   EL_SWITCHGATE_SWITCH_DOWN,
3920
3921   EL_LIGHT_SWITCH,
3922   EL_LIGHT_SWITCH_ACTIVE,
3923   EL_DC_SWITCHGATE_SWITCH_UP,
3924   EL_DC_SWITCHGATE_SWITCH_DOWN,
3925
3926   EL_STEEL_EXIT_CLOSED,
3927   EL_STEEL_EXIT_OPEN,
3928   EL_STEELWALL_SLIPPERY,
3929   EL_INVISIBLE_SAND,
3930
3931   EL_QUICKSAND_FAST_EMPTY,
3932   EL_QUICKSAND_FAST_FULL,
3933   EL_LANDMINE,
3934   EL_DC_LANDMINE,
3935
3936   EL_SHIELD_NORMAL,
3937   EL_SHIELD_DEADLY,
3938   EL_EXTRA_TIME,
3939   EL_DC_MAGIC_WALL,
3940
3941   EL_ENVELOPE_1,
3942   EL_ENVELOPE_2,
3943   EL_ENVELOPE_3,
3944   EL_ENVELOPE_4,
3945
3946   EL_SIGN_RADIOACTIVITY,
3947   EL_SIGN_WHEELCHAIR,
3948   EL_SIGN_PARKING,
3949   EL_SIGN_NO_ENTRY,
3950
3951   EL_SIGN_GIVE_WAY,
3952   EL_SIGN_ENTRY_FORBIDDEN,
3953   EL_SIGN_EMERGENCY_EXIT,
3954   EL_SIGN_YIN_YANG,
3955
3956 #if 0
3957   EL_SIGN_SPERMS,
3958   EL_SIGN_BULLET,
3959   EL_SIGN_HEART,
3960   EL_SIGN_CROSS,
3961
3962   EL_SIGN_FRANKIE,
3963   EL_EMPTY,
3964   EL_EMPTY,
3965   EL_EMPTY,
3966
3967   EL_SPERMS,
3968   EL_BULLET,
3969   EL_HEART,
3970   EL_CROSS,
3971
3972   EL_FRANKIE,
3973   EL_EMPTY,
3974   EL_EMPTY,
3975   EL_EMPTY,
3976 #endif
3977
3978   EL_DC_STEELWALL_2_SINGLE,
3979   EL_DC_STEELWALL_2_TOP,
3980   EL_SIGN_EXCLAMATION,
3981   EL_SIGN_STOP,
3982
3983   EL_DC_STEELWALL_2_LEFT,
3984   EL_DC_STEELWALL_2_MIDDLE,
3985   EL_DC_STEELWALL_2_HORIZONTAL,
3986   EL_DC_STEELWALL_2_RIGHT,
3987
3988   EL_DC_STEELWALL_1_TOPLEFT,
3989   EL_DC_STEELWALL_2_VERTICAL,
3990   EL_DC_STEELWALL_1_TOPRIGHT,
3991   EL_DC_GATE_WHITE,
3992
3993   EL_DC_STEELWALL_1_VERTICAL,
3994   EL_DC_STEELWALL_2_BOTTOM,
3995   EL_DC_KEY_WHITE,
3996   EL_DC_GATE_WHITE_GRAY,
3997
3998   EL_DC_STEELWALL_1_BOTTOMLEFT,
3999   EL_DC_STEELWALL_1_HORIZONTAL,
4000   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4001   EL_DC_GATE_FAKE_GRAY,
4002
4003   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4004   EL_DC_STEELWALL_1_BOTTOM,
4005   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4006   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4007
4008   EL_DC_STEELWALL_1_RIGHT,
4009   EL_EMPTY,
4010   EL_DC_STEELWALL_1_LEFT,
4011   EL_EXPANDABLE_STEELWALL_VERTICAL,
4012
4013   EL_DC_STEELWALL_1_TOPRIGHT_2,
4014   EL_DC_STEELWALL_1_TOP,
4015   EL_DC_STEELWALL_1_TOPLEFT_2,
4016   EL_EXPANDABLE_STEELWALL_ANY,
4017 };
4018 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4019 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4020 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4021 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4022
4023 static int editor_hl_dx_boulderdash[] =
4024 {
4025   EL_INTERNAL_CASCADE_DX_ACTIVE,
4026   EL_CHAR('D'),
4027   EL_CHAR('X'),
4028   EL_EMPTY,
4029 };
4030
4031 static int editor_el_dx_boulderdash[] =
4032 {
4033   EL_EMPTY,
4034   EL_TUBE_RIGHT_DOWN,
4035   EL_TUBE_HORIZONTAL_DOWN,
4036   EL_TUBE_LEFT_DOWN,
4037
4038   EL_TUBE_HORIZONTAL,
4039   EL_TUBE_VERTICAL_RIGHT,
4040   EL_TUBE_ANY,
4041   EL_TUBE_VERTICAL_LEFT,
4042
4043   EL_TUBE_VERTICAL,
4044   EL_TUBE_RIGHT_UP,
4045   EL_TUBE_HORIZONTAL_UP,
4046   EL_TUBE_LEFT_UP,
4047
4048   EL_TRAP,
4049   EL_DX_SUPABOMB,
4050   EL_EMPTY,
4051   EL_EMPTY
4052 };
4053 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4054 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4055 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4056 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4057
4058 static int editor_hl_chars[] =
4059 {
4060   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4061   EL_CHAR('T'),
4062   EL_CHAR('X'),
4063   EL_CHAR('T'),
4064 };
4065
4066 static int editor_el_chars[] =
4067 {
4068   EL_CHAR(' '),
4069   EL_CHAR('!'),
4070   EL_CHAR('"'),
4071   EL_CHAR('#'),
4072
4073   EL_CHAR('$'),
4074   EL_CHAR('%'),
4075   EL_CHAR('&'),
4076   EL_CHAR('\''),
4077
4078   EL_CHAR('('),
4079   EL_CHAR(')'),
4080   EL_CHAR('*'),
4081   EL_CHAR('+'),
4082
4083   EL_CHAR(','),
4084   EL_CHAR('-'),
4085   EL_CHAR('.'),
4086   EL_CHAR('/'),
4087
4088   EL_CHAR('0'),
4089   EL_CHAR('1'),
4090   EL_CHAR('2'),
4091   EL_CHAR('3'),
4092
4093   EL_CHAR('4'),
4094   EL_CHAR('5'),
4095   EL_CHAR('6'),
4096   EL_CHAR('7'),
4097
4098   EL_CHAR('8'),
4099   EL_CHAR('9'),
4100   EL_CHAR(':'),
4101   EL_CHAR(';'),
4102
4103   EL_CHAR('<'),
4104   EL_CHAR('='),
4105   EL_CHAR('>'),
4106   EL_CHAR('?'),
4107
4108   EL_CHAR('@'),
4109   EL_CHAR('A'),
4110   EL_CHAR('B'),
4111   EL_CHAR('C'),
4112
4113   EL_CHAR('D'),
4114   EL_CHAR('E'),
4115   EL_CHAR('F'),
4116   EL_CHAR('G'),
4117
4118   EL_CHAR('H'),
4119   EL_CHAR('I'),
4120   EL_CHAR('J'),
4121   EL_CHAR('K'),
4122
4123   EL_CHAR('L'),
4124   EL_CHAR('M'),
4125   EL_CHAR('N'),
4126   EL_CHAR('O'),
4127
4128   EL_CHAR('P'),
4129   EL_CHAR('Q'),
4130   EL_CHAR('R'),
4131   EL_CHAR('S'),
4132
4133   EL_CHAR('T'),
4134   EL_CHAR('U'),
4135   EL_CHAR('V'),
4136   EL_CHAR('W'),
4137
4138   EL_CHAR('X'),
4139   EL_CHAR('Y'),
4140   EL_CHAR('Z'),
4141   EL_CHAR('['),
4142
4143   EL_CHAR('\\'),
4144   EL_CHAR(']'),
4145   EL_CHAR('^'),
4146   EL_CHAR('_'),
4147
4148   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4149   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4150   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4151   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4152
4153   EL_CHAR(CHAR_BYTE_DEGREE),
4154   EL_CHAR(CHAR_BYTE_REGISTERED),
4155   EL_CHAR(FONT_ASCII_CURSOR),
4156   EL_CHAR(FONT_ASCII_BUTTON),
4157
4158   EL_CHAR(FONT_ASCII_UP),
4159   EL_CHAR(FONT_ASCII_DOWN),
4160   EL_CHAR(' '),
4161   EL_CHAR(' ')
4162 };
4163 static int *editor_hl_chars_ptr = editor_hl_chars;
4164 static int *editor_el_chars_ptr = editor_el_chars;
4165 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4166 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4167
4168 static int editor_hl_steel_chars[] =
4169 {
4170   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4171   EL_STEEL_CHAR('T'),
4172   EL_STEEL_CHAR('X'),
4173   EL_STEEL_CHAR('T'),
4174 };
4175
4176 static int editor_el_steel_chars[] =
4177 {
4178   EL_STEEL_CHAR(' '),
4179   EL_STEEL_CHAR('!'),
4180   EL_STEEL_CHAR('"'),
4181   EL_STEEL_CHAR('#'),
4182
4183   EL_STEEL_CHAR('$'),
4184   EL_STEEL_CHAR('%'),
4185   EL_STEEL_CHAR('&'),
4186   EL_STEEL_CHAR('\''),
4187
4188   EL_STEEL_CHAR('('),
4189   EL_STEEL_CHAR(')'),
4190   EL_STEEL_CHAR('*'),
4191   EL_STEEL_CHAR('+'),
4192
4193   EL_STEEL_CHAR(','),
4194   EL_STEEL_CHAR('-'),
4195   EL_STEEL_CHAR('.'),
4196   EL_STEEL_CHAR('/'),
4197
4198   EL_STEEL_CHAR('0'),
4199   EL_STEEL_CHAR('1'),
4200   EL_STEEL_CHAR('2'),
4201   EL_STEEL_CHAR('3'),
4202
4203   EL_STEEL_CHAR('4'),
4204   EL_STEEL_CHAR('5'),
4205   EL_STEEL_CHAR('6'),
4206   EL_STEEL_CHAR('7'),
4207
4208   EL_STEEL_CHAR('8'),
4209   EL_STEEL_CHAR('9'),
4210   EL_STEEL_CHAR(':'),
4211   EL_STEEL_CHAR(';'),
4212
4213   EL_STEEL_CHAR('<'),
4214   EL_STEEL_CHAR('='),
4215   EL_STEEL_CHAR('>'),
4216   EL_STEEL_CHAR('?'),
4217
4218   EL_STEEL_CHAR('@'),
4219   EL_STEEL_CHAR('A'),
4220   EL_STEEL_CHAR('B'),
4221   EL_STEEL_CHAR('C'),
4222
4223   EL_STEEL_CHAR('D'),
4224   EL_STEEL_CHAR('E'),
4225   EL_STEEL_CHAR('F'),
4226   EL_STEEL_CHAR('G'),
4227
4228   EL_STEEL_CHAR('H'),
4229   EL_STEEL_CHAR('I'),
4230   EL_STEEL_CHAR('J'),
4231   EL_STEEL_CHAR('K'),
4232
4233   EL_STEEL_CHAR('L'),
4234   EL_STEEL_CHAR('M'),
4235   EL_STEEL_CHAR('N'),
4236   EL_STEEL_CHAR('O'),
4237
4238   EL_STEEL_CHAR('P'),
4239   EL_STEEL_CHAR('Q'),
4240   EL_STEEL_CHAR('R'),
4241   EL_STEEL_CHAR('S'),
4242
4243   EL_STEEL_CHAR('T'),
4244   EL_STEEL_CHAR('U'),
4245   EL_STEEL_CHAR('V'),
4246   EL_STEEL_CHAR('W'),
4247
4248   EL_STEEL_CHAR('X'),
4249   EL_STEEL_CHAR('Y'),
4250   EL_STEEL_CHAR('Z'),
4251   EL_STEEL_CHAR('['),
4252
4253   EL_STEEL_CHAR('\\'),
4254   EL_STEEL_CHAR(']'),
4255   EL_STEEL_CHAR('^'),
4256   EL_STEEL_CHAR('_'),
4257
4258   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4259   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4260   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4261   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4262
4263   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4264   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4265   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4266   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4267
4268   EL_STEEL_CHAR(FONT_ASCII_UP),
4269   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4270   EL_STEEL_CHAR(' '),
4271   EL_STEEL_CHAR(' ')
4272 };
4273 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4274 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4275 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4276 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4277
4278 static int editor_hl_custom[] =
4279 {
4280   EL_INTERNAL_CASCADE_CE_ACTIVE,
4281   EL_CHAR('C'),
4282   EL_CHAR('E'),
4283   EL_EMPTY,
4284 };
4285
4286 static int editor_el_custom[] =
4287 {
4288   EL_CUSTOM_START + 0,
4289   EL_CUSTOM_START + 1,
4290   EL_CUSTOM_START + 2,
4291   EL_CUSTOM_START + 3,
4292
4293   EL_CUSTOM_START + 4,
4294   EL_CUSTOM_START + 5,
4295   EL_CUSTOM_START + 6,
4296   EL_CUSTOM_START + 7,
4297
4298   EL_CUSTOM_START + 8,
4299   EL_CUSTOM_START + 9,
4300   EL_CUSTOM_START + 10,
4301   EL_CUSTOM_START + 11,
4302
4303   EL_CUSTOM_START + 12,
4304   EL_CUSTOM_START + 13,
4305   EL_CUSTOM_START + 14,
4306   EL_CUSTOM_START + 15,
4307
4308   EL_CUSTOM_START + 16,
4309   EL_CUSTOM_START + 17,
4310   EL_CUSTOM_START + 18,
4311   EL_CUSTOM_START + 19,
4312
4313   EL_CUSTOM_START + 20,
4314   EL_CUSTOM_START + 21,
4315   EL_CUSTOM_START + 22,
4316   EL_CUSTOM_START + 23,
4317
4318   EL_CUSTOM_START + 24,
4319   EL_CUSTOM_START + 25,
4320   EL_CUSTOM_START + 26,
4321   EL_CUSTOM_START + 27,
4322
4323   EL_CUSTOM_START + 28,
4324   EL_CUSTOM_START + 29,
4325   EL_CUSTOM_START + 30,
4326   EL_CUSTOM_START + 31,
4327
4328   EL_CUSTOM_START + 32,
4329   EL_CUSTOM_START + 33,
4330   EL_CUSTOM_START + 34,
4331   EL_CUSTOM_START + 35,
4332
4333   EL_CUSTOM_START + 36,
4334   EL_CUSTOM_START + 37,
4335   EL_CUSTOM_START + 38,
4336   EL_CUSTOM_START + 39,
4337
4338   EL_CUSTOM_START + 40,
4339   EL_CUSTOM_START + 41,
4340   EL_CUSTOM_START + 42,
4341   EL_CUSTOM_START + 43,
4342
4343   EL_CUSTOM_START + 44,
4344   EL_CUSTOM_START + 45,
4345   EL_CUSTOM_START + 46,
4346   EL_CUSTOM_START + 47,
4347
4348   EL_CUSTOM_START + 48,
4349   EL_CUSTOM_START + 49,
4350   EL_CUSTOM_START + 50,
4351   EL_CUSTOM_START + 51,
4352
4353   EL_CUSTOM_START + 52,
4354   EL_CUSTOM_START + 53,
4355   EL_CUSTOM_START + 54,
4356   EL_CUSTOM_START + 55,
4357
4358   EL_CUSTOM_START + 56,
4359   EL_CUSTOM_START + 57,
4360   EL_CUSTOM_START + 58,
4361   EL_CUSTOM_START + 59,
4362
4363   EL_CUSTOM_START + 60,
4364   EL_CUSTOM_START + 61,
4365   EL_CUSTOM_START + 62,
4366   EL_CUSTOM_START + 63,
4367
4368   EL_CUSTOM_START + 64,
4369   EL_CUSTOM_START + 65,
4370   EL_CUSTOM_START + 66,
4371   EL_CUSTOM_START + 67,
4372
4373   EL_CUSTOM_START + 68,
4374   EL_CUSTOM_START + 69,
4375   EL_CUSTOM_START + 70,
4376   EL_CUSTOM_START + 71,
4377
4378   EL_CUSTOM_START + 72,
4379   EL_CUSTOM_START + 73,
4380   EL_CUSTOM_START + 74,
4381   EL_CUSTOM_START + 75,
4382
4383   EL_CUSTOM_START + 76,
4384   EL_CUSTOM_START + 77,
4385   EL_CUSTOM_START + 78,
4386   EL_CUSTOM_START + 79,
4387
4388   EL_CUSTOM_START + 80,
4389   EL_CUSTOM_START + 81,
4390   EL_CUSTOM_START + 82,
4391   EL_CUSTOM_START + 83,
4392
4393   EL_CUSTOM_START + 84,
4394   EL_CUSTOM_START + 85,
4395   EL_CUSTOM_START + 86,
4396   EL_CUSTOM_START + 87,
4397
4398   EL_CUSTOM_START + 88,
4399   EL_CUSTOM_START + 89,
4400   EL_CUSTOM_START + 90,
4401   EL_CUSTOM_START + 91,
4402
4403   EL_CUSTOM_START + 92,
4404   EL_CUSTOM_START + 93,
4405   EL_CUSTOM_START + 94,
4406   EL_CUSTOM_START + 95,
4407
4408   EL_CUSTOM_START + 96,
4409   EL_CUSTOM_START + 97,
4410   EL_CUSTOM_START + 98,
4411   EL_CUSTOM_START + 99,
4412
4413   EL_CUSTOM_START + 100,
4414   EL_CUSTOM_START + 101,
4415   EL_CUSTOM_START + 102,
4416   EL_CUSTOM_START + 103,
4417
4418   EL_CUSTOM_START + 104,
4419   EL_CUSTOM_START + 105,
4420   EL_CUSTOM_START + 106,
4421   EL_CUSTOM_START + 107,
4422
4423   EL_CUSTOM_START + 108,
4424   EL_CUSTOM_START + 109,
4425   EL_CUSTOM_START + 110,
4426   EL_CUSTOM_START + 111,
4427
4428   EL_CUSTOM_START + 112,
4429   EL_CUSTOM_START + 113,
4430   EL_CUSTOM_START + 114,
4431   EL_CUSTOM_START + 115,
4432
4433   EL_CUSTOM_START + 116,
4434   EL_CUSTOM_START + 117,
4435   EL_CUSTOM_START + 118,
4436   EL_CUSTOM_START + 119,
4437
4438   EL_CUSTOM_START + 120,
4439   EL_CUSTOM_START + 121,
4440   EL_CUSTOM_START + 122,
4441   EL_CUSTOM_START + 123,
4442
4443   EL_CUSTOM_START + 124,
4444   EL_CUSTOM_START + 125,
4445   EL_CUSTOM_START + 126,
4446   EL_CUSTOM_START + 127,
4447
4448   EL_CUSTOM_START + 128,
4449   EL_CUSTOM_START + 129,
4450   EL_CUSTOM_START + 130,
4451   EL_CUSTOM_START + 131,
4452
4453   EL_CUSTOM_START + 132,
4454   EL_CUSTOM_START + 133,
4455   EL_CUSTOM_START + 134,
4456   EL_CUSTOM_START + 135,
4457
4458   EL_CUSTOM_START + 136,
4459   EL_CUSTOM_START + 137,
4460   EL_CUSTOM_START + 138,
4461   EL_CUSTOM_START + 139,
4462
4463   EL_CUSTOM_START + 140,
4464   EL_CUSTOM_START + 141,
4465   EL_CUSTOM_START + 142,
4466   EL_CUSTOM_START + 143,
4467
4468   EL_CUSTOM_START + 144,
4469   EL_CUSTOM_START + 145,
4470   EL_CUSTOM_START + 146,
4471   EL_CUSTOM_START + 147,
4472
4473   EL_CUSTOM_START + 148,
4474   EL_CUSTOM_START + 149,
4475   EL_CUSTOM_START + 150,
4476   EL_CUSTOM_START + 151,
4477
4478   EL_CUSTOM_START + 152,
4479   EL_CUSTOM_START + 153,
4480   EL_CUSTOM_START + 154,
4481   EL_CUSTOM_START + 155,
4482
4483   EL_CUSTOM_START + 156,
4484   EL_CUSTOM_START + 157,
4485   EL_CUSTOM_START + 158,
4486   EL_CUSTOM_START + 159,
4487
4488   EL_CUSTOM_START + 160,
4489   EL_CUSTOM_START + 161,
4490   EL_CUSTOM_START + 162,
4491   EL_CUSTOM_START + 163,
4492
4493   EL_CUSTOM_START + 164,
4494   EL_CUSTOM_START + 165,
4495   EL_CUSTOM_START + 166,
4496   EL_CUSTOM_START + 167,
4497
4498   EL_CUSTOM_START + 168,
4499   EL_CUSTOM_START + 169,
4500   EL_CUSTOM_START + 170,
4501   EL_CUSTOM_START + 171,
4502
4503   EL_CUSTOM_START + 172,
4504   EL_CUSTOM_START + 173,
4505   EL_CUSTOM_START + 174,
4506   EL_CUSTOM_START + 175,
4507
4508   EL_CUSTOM_START + 176,
4509   EL_CUSTOM_START + 177,
4510   EL_CUSTOM_START + 178,
4511   EL_CUSTOM_START + 179,
4512
4513   EL_CUSTOM_START + 180,
4514   EL_CUSTOM_START + 181,
4515   EL_CUSTOM_START + 182,
4516   EL_CUSTOM_START + 183,
4517
4518   EL_CUSTOM_START + 184,
4519   EL_CUSTOM_START + 185,
4520   EL_CUSTOM_START + 186,
4521   EL_CUSTOM_START + 187,
4522
4523   EL_CUSTOM_START + 188,
4524   EL_CUSTOM_START + 189,
4525   EL_CUSTOM_START + 190,
4526   EL_CUSTOM_START + 191,
4527
4528   EL_CUSTOM_START + 192,
4529   EL_CUSTOM_START + 193,
4530   EL_CUSTOM_START + 194,
4531   EL_CUSTOM_START + 195,
4532
4533   EL_CUSTOM_START + 196,
4534   EL_CUSTOM_START + 197,
4535   EL_CUSTOM_START + 198,
4536   EL_CUSTOM_START + 199,
4537
4538   EL_CUSTOM_START + 200,
4539   EL_CUSTOM_START + 201,
4540   EL_CUSTOM_START + 202,
4541   EL_CUSTOM_START + 203,
4542
4543   EL_CUSTOM_START + 204,
4544   EL_CUSTOM_START + 205,
4545   EL_CUSTOM_START + 206,
4546   EL_CUSTOM_START + 207,
4547
4548   EL_CUSTOM_START + 208,
4549   EL_CUSTOM_START + 209,
4550   EL_CUSTOM_START + 210,
4551   EL_CUSTOM_START + 211,
4552
4553   EL_CUSTOM_START + 212,
4554   EL_CUSTOM_START + 213,
4555   EL_CUSTOM_START + 214,
4556   EL_CUSTOM_START + 215,
4557
4558   EL_CUSTOM_START + 216,
4559   EL_CUSTOM_START + 217,
4560   EL_CUSTOM_START + 218,
4561   EL_CUSTOM_START + 219,
4562
4563   EL_CUSTOM_START + 220,
4564   EL_CUSTOM_START + 221,
4565   EL_CUSTOM_START + 222,
4566   EL_CUSTOM_START + 223,
4567
4568   EL_CUSTOM_START + 224,
4569   EL_CUSTOM_START + 225,
4570   EL_CUSTOM_START + 226,
4571   EL_CUSTOM_START + 227,
4572
4573   EL_CUSTOM_START + 228,
4574   EL_CUSTOM_START + 229,
4575   EL_CUSTOM_START + 230,
4576   EL_CUSTOM_START + 231,
4577
4578   EL_CUSTOM_START + 232,
4579   EL_CUSTOM_START + 233,
4580   EL_CUSTOM_START + 234,
4581   EL_CUSTOM_START + 235,
4582
4583   EL_CUSTOM_START + 236,
4584   EL_CUSTOM_START + 237,
4585   EL_CUSTOM_START + 238,
4586   EL_CUSTOM_START + 239,
4587
4588   EL_CUSTOM_START + 240,
4589   EL_CUSTOM_START + 241,
4590   EL_CUSTOM_START + 242,
4591   EL_CUSTOM_START + 243,
4592
4593   EL_CUSTOM_START + 244,
4594   EL_CUSTOM_START + 245,
4595   EL_CUSTOM_START + 246,
4596   EL_CUSTOM_START + 247,
4597
4598   EL_CUSTOM_START + 248,
4599   EL_CUSTOM_START + 249,
4600   EL_CUSTOM_START + 250,
4601   EL_CUSTOM_START + 251,
4602
4603   EL_CUSTOM_START + 252,
4604   EL_CUSTOM_START + 253,
4605   EL_CUSTOM_START + 254,
4606   EL_CUSTOM_START + 255
4607 };
4608 static int *editor_hl_custom_ptr = editor_hl_custom;
4609 static int *editor_el_custom_ptr = editor_el_custom;
4610 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4611 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4612
4613 static int editor_hl_group[] =
4614 {
4615   EL_INTERNAL_CASCADE_GE_ACTIVE,
4616   EL_CHAR('G'),
4617   EL_CHAR('E'),
4618   EL_EMPTY,
4619 };
4620
4621 static int editor_el_group[] =
4622 {
4623   EL_GROUP_START + 0,
4624   EL_GROUP_START + 1,
4625   EL_GROUP_START + 2,
4626   EL_GROUP_START + 3,
4627
4628   EL_GROUP_START + 4,
4629   EL_GROUP_START + 5,
4630   EL_GROUP_START + 6,
4631   EL_GROUP_START + 7,
4632
4633   EL_GROUP_START + 8,
4634   EL_GROUP_START + 9,
4635   EL_GROUP_START + 10,
4636   EL_GROUP_START + 11,
4637
4638   EL_GROUP_START + 12,
4639   EL_GROUP_START + 13,
4640   EL_GROUP_START + 14,
4641   EL_GROUP_START + 15,
4642
4643   EL_GROUP_START + 16,
4644   EL_GROUP_START + 17,
4645   EL_GROUP_START + 18,
4646   EL_GROUP_START + 19,
4647
4648   EL_GROUP_START + 20,
4649   EL_GROUP_START + 21,
4650   EL_GROUP_START + 22,
4651   EL_GROUP_START + 23,
4652
4653   EL_GROUP_START + 24,
4654   EL_GROUP_START + 25,
4655   EL_GROUP_START + 26,
4656   EL_GROUP_START + 27,
4657
4658   EL_GROUP_START + 28,
4659   EL_GROUP_START + 29,
4660   EL_GROUP_START + 30,
4661   EL_GROUP_START + 31
4662 };
4663 static int *editor_hl_group_ptr = editor_hl_group;
4664 static int *editor_el_group_ptr = editor_el_group;
4665 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4666 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4667
4668 static int editor_hl_reference[] =
4669 {
4670   EL_INTERNAL_CASCADE_REF_ACTIVE,
4671   EL_CHAR('R'),
4672   EL_CHAR('E'),
4673   EL_CHAR('F')
4674 };
4675
4676 static int editor_el_reference[] =
4677 {
4678   EL_TRIGGER_PLAYER,
4679   EL_TRIGGER_ELEMENT,
4680   EL_TRIGGER_CE_VALUE,
4681   EL_TRIGGER_CE_SCORE,
4682
4683   EL_SELF,
4684   EL_ANY_ELEMENT,
4685   EL_CURRENT_CE_VALUE,
4686   EL_CURRENT_CE_SCORE,
4687
4688   EL_PREV_CE_8,
4689   EL_PREV_CE_7,
4690   EL_PREV_CE_6,
4691   EL_PREV_CE_5,
4692
4693   EL_PREV_CE_4,
4694   EL_PREV_CE_3,
4695   EL_PREV_CE_2,
4696   EL_PREV_CE_1,
4697
4698   EL_NEXT_CE_1,
4699   EL_NEXT_CE_2,
4700   EL_NEXT_CE_3,
4701   EL_NEXT_CE_4,
4702
4703   EL_NEXT_CE_5,
4704   EL_NEXT_CE_6,
4705   EL_NEXT_CE_7,
4706   EL_NEXT_CE_8,
4707 };
4708 static int *editor_hl_reference_ptr = editor_hl_reference;
4709 static int *editor_el_reference_ptr = editor_el_reference;
4710 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4711 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4712
4713 static int editor_hl_user_defined[] =
4714 {
4715   EL_INTERNAL_CASCADE_USER_ACTIVE,
4716   EL_CHAR('M'),
4717   EL_CHAR('Y'),
4718   EL_EMPTY,
4719 };
4720
4721 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4722 static int *editor_el_user_defined_ptr = NULL;
4723 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4724 static int num_editor_el_user_defined = 0;
4725
4726 static int editor_hl_dynamic[] =
4727 {
4728   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4729   EL_CHAR('U'),
4730   EL_CHAR('S'),
4731   EL_CHAR('E'),
4732 };
4733
4734 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4735 static int *editor_el_dynamic_ptr = NULL;
4736 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4737 static int num_editor_el_dynamic = 0;
4738
4739 static int editor_hl_empty[] = { EL_EMPTY };
4740 static int *editor_el_empty = NULL;     /* dynamically allocated */
4741
4742 static int *editor_hl_empty_ptr = editor_hl_empty;
4743 static int *editor_el_empty_ptr = NULL;
4744 static int num_editor_hl_empty = 0;
4745 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4746
4747 static boolean use_el_empty = FALSE;
4748
4749 static int *editor_elements = NULL;     /* dynamically allocated */
4750 static int num_editor_elements = 0;     /* dynamically determined */
4751
4752 static boolean setup_editor_show_always = TRUE;
4753 static boolean setup_editor_cascade_never = FALSE;
4754
4755 static int editor_hl_unused[] = { EL_EMPTY };
4756 static int *editor_hl_unused_ptr = editor_hl_unused;
4757 static int num_editor_hl_unused = 0;
4758
4759 static struct
4760 {
4761   boolean *setup_value;
4762   boolean *setup_cascade_value;
4763
4764   int **headline_list;
4765   int *headline_list_size;
4766
4767   int **element_list;
4768   int *element_list_size;
4769
4770   boolean last_setup_value;
4771 }
4772 editor_elements_info[] =
4773 {
4774   {
4775     &setup_editor_show_always,
4776     &setup_editor_cascade_never,
4777     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4778     &editor_el_players_ptr,             &num_editor_el_players
4779   },
4780   {
4781     &setup.editor.el_boulderdash,
4782     &setup.editor_cascade.el_bd,
4783     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4784     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4785   },
4786   {
4787     &setup.editor.el_emerald_mine,
4788     &setup.editor_cascade.el_em,
4789     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4790     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4791   },
4792   {
4793     &setup.editor.el_emerald_mine_club,
4794     &setup.editor_cascade.el_emc,
4795     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4796     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4797   },
4798   {
4799     &setup.editor.el_more,
4800     &setup.editor_cascade.el_rnd,
4801     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4802     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4803   },
4804   {
4805     &setup.editor.el_sokoban,
4806     &setup.editor_cascade.el_sb,
4807     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4808     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4809   },
4810   {
4811     &setup.editor.el_supaplex,
4812     &setup.editor_cascade.el_sp,
4813     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4814     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4815   },
4816   {
4817     &setup.editor.el_diamond_caves,
4818     &setup.editor_cascade.el_dc,
4819     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4820     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4821   },
4822   {
4823     &setup.editor.el_dx_boulderdash,
4824     &setup.editor_cascade.el_dx,
4825     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4826     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4827   },
4828   {
4829     &setup.editor.el_chars,
4830     &setup.editor_cascade.el_chars,
4831     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4832     &editor_el_chars_ptr,               &num_editor_el_chars
4833   },
4834   {
4835     &setup.editor.el_steel_chars,
4836     &setup.editor_cascade.el_steel_chars,
4837     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4838     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4839   },
4840   {
4841     &setup.editor.el_custom,
4842     &setup.editor_cascade.el_ce,
4843     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4844     &editor_el_custom_ptr,              &num_editor_el_custom
4845   },
4846   {
4847     &setup.editor.el_custom,
4848     &setup.editor_cascade.el_ge,
4849     &editor_hl_group_ptr,               &num_editor_hl_group,
4850     &editor_el_group_ptr,               &num_editor_el_group
4851   },
4852   {
4853     &setup.editor.el_custom,
4854     &setup.editor_cascade.el_ref,
4855     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4856     &editor_el_reference_ptr,           &num_editor_el_reference
4857   },
4858   {
4859     &setup.editor.el_user_defined,
4860     &setup.editor_cascade.el_user,
4861     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4862     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4863   },
4864   {
4865     &setup.editor.el_dynamic,
4866     &setup.editor_cascade.el_dynamic,
4867     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4868     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4869   },
4870   {
4871     &use_el_empty,
4872     &use_el_empty,
4873     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4874     &editor_el_empty_ptr,               &num_editor_el_empty,
4875   },
4876   {
4877     NULL,
4878     NULL,
4879     NULL,                               NULL,
4880     NULL,                               NULL
4881   }
4882 };
4883
4884
4885 /*
4886   -----------------------------------------------------------------------------
4887   functions
4888   -----------------------------------------------------------------------------
4889 */
4890
4891 static int getMaxInfoTextLength()
4892 {
4893   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
4894 }
4895
4896 static int getTextWidthForGadget(char *text)
4897 {
4898   if (text == NULL)
4899     return 0;
4900
4901   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4902 }
4903
4904 static int getTextWidthForDrawingArea(char *text)
4905 {
4906   if (text == NULL)
4907     return 0;
4908
4909   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4910 }
4911
4912 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4913 {
4914   return (gi->x + gi->width + getTextWidthForGadget(text));
4915 }
4916
4917 static char *getElementInfoText(int element)
4918 {
4919   char *info_text = NULL;
4920
4921   if (element < MAX_NUM_ELEMENTS)
4922   {
4923     if (strlen(element_info[element].description) > 0)
4924       info_text = element_info[element].description;
4925     else if (element_info[element].custom_description != NULL)
4926       info_text = element_info[element].custom_description;
4927     else if (element_info[element].editor_description != NULL)
4928       info_text = element_info[element].editor_description;
4929   }
4930
4931   if (info_text == NULL)
4932     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4933
4934   return info_text;
4935 }
4936
4937 static char *getElementDescriptionFilenameExt(char *basename)
4938 {
4939   char *elements_subdir = "elements";
4940   static char *elements_subdir2 = NULL;
4941   static char *filename = NULL;
4942
4943   if (elements_subdir2 == NULL)
4944     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
4945
4946   checked_free(filename);
4947
4948   /* 1st try: look for element description in current level set directory */
4949   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
4950   if (fileExists(filename))
4951     return filename;
4952
4953   free(filename);
4954
4955   /* 2nd try: look for element description in the game's base directory */
4956   filename = getPath3(options.docs_directory, elements_subdir, basename);
4957   if (fileExists(filename))
4958     return filename;
4959
4960   return NULL;
4961 }
4962
4963 char *getElementDescriptionFilename(int element)
4964 {
4965   char basename[MAX_FILENAME_LEN];
4966   char *filename;
4967
4968   /* 1st try: look for element description file for exactly this element */
4969   sprintf(basename, "%s.txt", element_info[element].token_name);
4970   filename = getElementDescriptionFilenameExt(basename);
4971   if (filename != NULL)
4972     return filename;
4973
4974   /* 2nd try: look for element description file for this element's class */
4975   sprintf(basename, "%s.txt", element_info[element].class_name);
4976   filename = getElementDescriptionFilenameExt(basename);
4977   if (filename != NULL)
4978     return filename;
4979
4980   return NULL;
4981 }
4982
4983 static void InitDynamicEditorElementList(int **elements, int *num_elements)
4984 {
4985   boolean element_found[NUM_FILE_ELEMENTS];
4986   int i, x, y;
4987
4988   /* initialize list of used elements to "not used" */
4989   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4990     element_found[i] = FALSE;
4991
4992   /* find all elements used in current level */
4993   for (y = 0; y < lev_fieldy; y++)
4994     for (x = 0; x < lev_fieldx; x++)
4995       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
4996         element_found[Feld[x][y]] = TRUE;
4997
4998   *num_elements = 0;
4999
5000   /* count number of elements used in current level */
5001   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5002     if (element_found[i])
5003       (*num_elements)++;
5004
5005   /* add space for up to 3 more elements for padding that may be needed */
5006   *num_elements += 3;
5007
5008   /* free memory for old list of elements, if needed */
5009   checked_free(*elements);
5010
5011   /* allocate memory for new list of elements */
5012   *elements = checked_malloc(*num_elements * sizeof(int));
5013
5014   *num_elements = 0;
5015
5016   /* add all elements used in current level (non-custom/group elements) */
5017   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5018     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5019       (*elements)[(*num_elements)++] = i;
5020
5021   /* add all elements used in current level (custom/group elements) */
5022   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5023     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5024       (*elements)[(*num_elements)++] = i;
5025
5026   while (*num_elements % 4)     /* pad with empty elements, if needed */
5027     (*elements)[(*num_elements)++] = EL_EMPTY;
5028 }
5029
5030 static void ReinitializeElementList()
5031 {
5032   static boolean initialization_needed = TRUE;
5033   int pos = 0;
5034   int i, j;
5035
5036   if (initialization_needed)
5037   {
5038     LoadSetup_EditorCascade();          /* load last editor cascade state */
5039
5040     /* initialize editor cascade element from saved cascade state */
5041     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5042     {
5043       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5044       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5045
5046       if (IS_EDITOR_CASCADE(*cascade_element))
5047         *cascade_element =
5048           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5049            EL_CASCADE_INACTIVE(*cascade_element));
5050     }
5051
5052     initialization_needed = FALSE;
5053   }
5054
5055   checked_free(editor_elements);
5056
5057   /* reload optional user defined element list for each invocation of editor */
5058   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5059                                    &num_editor_el_user_defined);
5060
5061   /* initialize dynamic level element list for each invocation of editor */
5062   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5063                                &num_editor_el_dynamic);
5064
5065   /* initialize list of empty elements (used for padding, if needed) */
5066   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5067     editor_el_empty[i] = EL_EMPTY;
5068
5069   /* do some sanity checks for each element from element list */
5070   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5071   {
5072     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5073     {
5074       int element = (*editor_elements_info[i].element_list)[j];
5075
5076       if (element >= NUM_FILE_ELEMENTS)
5077         Error(ERR_WARN, "editor element %d is runtime element", element);
5078
5079       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5080         Error(ERR_WARN, "no element description for element %d", element);
5081     }
5082   }
5083
5084   num_editor_elements = 0;
5085   use_el_empty = FALSE;
5086
5087   /* determine size of element list */
5088   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5089   {
5090     boolean found_inactive_cascade = FALSE;
5091
5092     if (*editor_elements_info[i].setup_value)
5093     {
5094       if (setup.editor.el_headlines)
5095       {
5096         // required for correct padding of palette headline buttons
5097         if (*editor_elements_info[i].headline_list_size > 0)
5098           num_editor_elements += editor.palette.cols;
5099
5100         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5101         {
5102           int element = (*editor_elements_info[i].headline_list)[j];
5103
5104           if (IS_EDITOR_CASCADE_INACTIVE(element))
5105             found_inactive_cascade = TRUE;
5106         }
5107       }
5108
5109       if (found_inactive_cascade)
5110         continue;
5111
5112       // required for correct padding of palette element buttons
5113       int element_list_size = *editor_elements_info[i].element_list_size;
5114       int element_rows =
5115         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5116       int element_buttons = editor.palette.cols * element_rows;
5117
5118       num_editor_elements += element_buttons;
5119     }
5120   }
5121
5122   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5123   {
5124     /* offer at least as many elements as element buttons exist */
5125     use_el_empty = TRUE;
5126     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5127
5128     num_editor_elements += num_editor_el_empty;
5129   }
5130
5131   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5132
5133   /* fill element list */
5134   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5135   {
5136     boolean found_inactive_cascade = FALSE;
5137
5138     if (*editor_elements_info[i].setup_value)
5139     {
5140       if (setup.editor.el_headlines)
5141       {
5142         // required for correct padding of palette headline buttons
5143         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5144                              editor.palette.cols : 0);
5145
5146         for (j = 0; j < headline_size; j++)
5147         {
5148           // use empty elements for padding of palette headline buttons
5149           int element = (j < *editor_elements_info[i].headline_list_size ?
5150                          (*editor_elements_info[i].headline_list)[j] :
5151                          editor_el_empty[0]);
5152
5153           editor_elements[pos++] = element;
5154
5155           if (IS_EDITOR_CASCADE_INACTIVE(element))
5156             found_inactive_cascade = TRUE;
5157         }
5158       }
5159
5160       if (found_inactive_cascade)
5161         continue;
5162
5163       // required for correct padding of palette element buttons
5164       int element_list_size = *editor_elements_info[i].element_list_size;
5165       int element_rows =
5166         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5167       int element_buttons = editor.palette.cols * element_rows;
5168
5169       // copy all elements from element list
5170       for (j = 0; j < element_list_size; j++)
5171         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5172
5173       // use empty elements for padding of palette element buttons
5174       for (j = 0; j < element_buttons - element_list_size; j++)
5175         editor_elements[pos++] = editor_el_empty[0];
5176     }
5177   }
5178
5179   /* (this function is also called before editor gadgets are initialized!) */
5180   AdjustElementListScrollbar();
5181 }
5182
5183 void PrintEditorElementList()
5184 {
5185   boolean *stop = &setup.editor.el_user_defined;
5186   int i, j;
5187
5188   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5189   {
5190     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5191
5192     if (IS_EDITOR_CASCADE(cascade_element))
5193     {
5194       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5195       char *headline = element_info[cascade_element_show].editor_description;
5196
5197       printf_line_with_prefix("# ", "-", 77);
5198       printf("# %s\n", headline);
5199       printf_line_with_prefix("# ", "-", 77);
5200     }
5201
5202     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5203     {
5204       int element = (*editor_elements_info[i].headline_list)[j];
5205
5206       if (IS_EDITOR_CASCADE(element))
5207         element = EL_CHAR_MINUS;
5208
5209       printf("# %s\n", element_info[element].token_name);
5210     }
5211
5212     if (j > 0)
5213       printf("#\n");
5214
5215     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5216     {
5217       int element = (*editor_elements_info[i].element_list)[j];
5218
5219       printf("# %s\n", element_info[element].token_name);
5220     }
5221
5222     if (j > 0)
5223       printf("#\n");
5224   }
5225 }
5226
5227 static void ReinitializeElementListButtons()
5228 {
5229   static boolean last_setup_value_headlines = FALSE;
5230   static boolean initialization_needed = TRUE;
5231   int i;
5232
5233   if (!initialization_needed)   /* check if editor element setup has changed */
5234   {
5235     if (last_setup_value_headlines != setup.editor.el_headlines)
5236       initialization_needed = TRUE;
5237
5238     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5239       if (editor_elements_info[i].last_setup_value !=
5240           *editor_elements_info[i].setup_value)
5241         initialization_needed = TRUE;
5242   }
5243
5244   if (!initialization_needed)
5245     return;
5246
5247   FreeLevelEditorGadgets();
5248   CreateLevelEditorGadgets();
5249
5250   /* store current setup values for next invocation of this function */
5251   last_setup_value_headlines = setup.editor.el_headlines;
5252   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5253     editor_elements_info[i].last_setup_value =
5254       *editor_elements_info[i].setup_value;
5255
5256   initialization_needed = FALSE;
5257 }
5258
5259 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5260                               boolean input)
5261 {
5262   int border_graphic =
5263     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5264   struct GraphicInfo *g = &graphic_info[border_graphic];
5265   Bitmap *src_bitmap = g->bitmap;
5266   int src_x = g->src_x;
5267   int src_y = g->src_y;
5268   int border_size = g->border_size;
5269   int border_xpos = g->width  - border_size;
5270   int border_ypos = g->height - border_size;
5271   int i;
5272
5273   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5274              border_size, border_size,
5275              dest_x - border_size, dest_y - border_size);
5276   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5277              border_size, border_size,
5278              dest_x + width, dest_y - border_size);
5279   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5280              border_size, border_size,
5281              dest_x - border_size, dest_y + height);
5282   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5283              border_size, border_size,
5284              dest_x + width, dest_y + height);
5285
5286   for (i = 0; i < width / MINI_TILEX; i++)
5287   {
5288     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5289                MINI_TILEX, border_size,
5290                dest_x + i * MINI_TILEX, dest_y - border_size);
5291     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5292                MINI_TILEX, border_size,
5293                dest_x + i * MINI_TILEX, dest_y + height);
5294   }
5295
5296   for (i = 0; i < height / MINI_TILEY; i++)
5297   {
5298     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5299                border_size, MINI_TILEY,
5300                dest_x - border_size, dest_y + i * MINI_TILEY);
5301     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5302                border_size, MINI_TILEY,
5303                dest_x + width, dest_y + i * MINI_TILEY);
5304   }
5305
5306   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5307 }
5308
5309 static void DrawEditorElement(int x, int y, int element)
5310 {
5311   DrawSizedElement(x, y, element, ed_tilesize);
5312 }
5313
5314 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5315 {
5316   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5317 }
5318
5319 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5320 {
5321   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5322 }
5323
5324 static void DrawDrawingArea(int id)
5325 {
5326   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5327   int x, y;
5328
5329   int *value = drawingarea_info[id].value;
5330   int area_xsize = drawingarea_info[id].area_xsize;
5331   int area_ysize = drawingarea_info[id].area_ysize;
5332
5333   for (x = 0; x < area_xsize; x++)
5334     for (y = 0; y < area_ysize; y++)
5335       DrawMiniGraphicExt(drawto,
5336                          gi->x + x * MINI_TILEX,
5337                          gi->y + y * MINI_TILEY,
5338                          el2edimg(value[x * area_ysize + y]));
5339 }
5340
5341 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5342 {
5343   int x, y;
5344   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5345   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5346
5347   BlitBitmap(drawto, drawto,
5348              SX + (dx == -1 ? ed_tilesize : 0),
5349              SY + (dy == -1 ? ed_tilesize : 0),
5350              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5351              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5352              SX + (dx == +1 ? ed_tilesize : 0),
5353              SY + (dy == +1 ? ed_tilesize : 0));
5354
5355   if (dx)
5356   {
5357     x = (dx == 1 ? 0 : ed_fieldx - 1);
5358     for (y = 0; y < ed_fieldy; y++)
5359       DrawEditorElementOrWall(x, y, from_x, from_y);
5360   }
5361   else if (dy)
5362   {
5363     y = (dy == 1 ? 0 : ed_fieldy - 1);
5364     for (x = 0; x < ed_fieldx; x++)
5365       DrawEditorElementOrWall(x, y, from_x, from_y);
5366   }
5367
5368   redraw_mask |= REDRAW_FIELD;
5369   BackToFront();
5370 }
5371
5372 void getElementListGraphicSource(int element, Bitmap **bitmap, int *x, int *y)
5373 {
5374   int graphic = el2edimg(element);
5375   int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5376                    MINI_TILESIZE);
5377
5378   getSizedGraphicSource(graphic, 0, tile_size, bitmap, x, y);
5379 }
5380
5381 static void CreateControlButtons()
5382 {
5383   struct GadgetInfo *gi;
5384   int i;
5385
5386   /* create toolbox buttons */
5387   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5388   {
5389     int id = controlbutton_info[i].gadget_id;
5390     int type = controlbutton_info[i].gadget_type;
5391     int graphic = controlbutton_info[i].graphic;
5392     struct XY *pos = controlbutton_info[i].pos;
5393     struct GraphicInfo *gd = &graphic_info[graphic];
5394     int gd_x1 = gd->src_x;
5395     int gd_y1 = gd->src_y;
5396     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5397     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5398     int gd_x1a = gd->src_x + gd->active_xoffset;
5399     int gd_y1a = gd->src_y + gd->active_yoffset;
5400     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5401     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5402     int x = pos->x;
5403     int y = pos->y;
5404     unsigned int event_mask;
5405     int radio_button_nr = RADIO_NR_NONE;
5406     boolean checked = FALSE;
5407
5408     if (type == GD_TYPE_RADIO_BUTTON)
5409     {
5410       event_mask = GD_EVENT_PRESSED;
5411       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5412
5413       if (id == drawing_function)
5414         checked = TRUE;
5415     }
5416     else
5417     {
5418       if (id == GADGET_ID_WRAP_LEFT ||
5419           id == GADGET_ID_WRAP_RIGHT ||
5420           id == GADGET_ID_WRAP_UP ||
5421           id == GADGET_ID_WRAP_DOWN)
5422         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5423       else
5424         event_mask = GD_EVENT_RELEASED;
5425     }
5426
5427     if (id == GADGET_ID_PROPERTIES)
5428     {
5429       x += DX;
5430       y += DY;
5431     }
5432     else
5433     {
5434       x += EX;
5435       y += EY;
5436     }
5437
5438     gi = CreateGadget(GDI_CUSTOM_ID, id,
5439                       GDI_CUSTOM_TYPE_ID, i,
5440                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
5441                       GDI_X, x,
5442                       GDI_Y, y,
5443                       GDI_WIDTH, gd->width,
5444                       GDI_HEIGHT, gd->height,
5445                       GDI_TYPE, type,
5446                       GDI_STATE, GD_BUTTON_UNPRESSED,
5447                       GDI_RADIO_NR, radio_button_nr,
5448                       GDI_CHECKED, checked,
5449                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5450                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5451                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
5452                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
5453                       GDI_EVENT_MASK, event_mask,
5454                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5455                       GDI_CALLBACK_ACTION, HandleControlButtons,
5456                       GDI_END);
5457
5458     if (gi == NULL)
5459       Error(ERR_EXIT, "cannot create gadget");
5460
5461     level_editor_gadget[id] = gi;
5462   }
5463
5464   /* these values are not constant, but can change at runtime */
5465   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5466   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5467   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5468   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5469   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5470   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5471   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5472   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5473   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
5474   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
5475   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
5476   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
5477
5478   /* create buttons for scrolling of drawing area and element list */
5479   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5480   {
5481     int id = scrollbutton_info[i].gadget_id;
5482     int graphic = scrollbutton_info[i].graphic;
5483     struct GraphicInfo *gd = &graphic_info[graphic];
5484     Bitmap *gd_bitmap = gd->bitmap;
5485     int gd_x1 = gd->src_x;
5486     int gd_y1 = gd->src_y;
5487     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5488     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5489     int width  = gd->width;
5490     int height = gd->height;
5491     int x = scrollbutton_pos[i].x;
5492     int y = scrollbutton_pos[i].y;
5493     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5494
5495     if (id == GADGET_ID_SCROLL_LIST_UP ||
5496         id == GADGET_ID_SCROLL_LIST_DOWN)
5497     {
5498       x += DX;
5499       y += DY;
5500     }
5501     else
5502     {
5503       x += SX;
5504       y += SY;
5505     }
5506
5507     gi = CreateGadget(GDI_CUSTOM_ID, id,
5508                       GDI_CUSTOM_TYPE_ID, i,
5509                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5510                       GDI_X, x,
5511                       GDI_Y, y,
5512                       GDI_WIDTH, width,
5513                       GDI_HEIGHT, height,
5514                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5515                       GDI_STATE, GD_BUTTON_UNPRESSED,
5516                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5517                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5518                       GDI_EVENT_MASK, event_mask,
5519                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5520                       GDI_CALLBACK_ACTION, HandleControlButtons,
5521                       GDI_END);
5522
5523     if (gi == NULL)
5524       Error(ERR_EXIT, "cannot create gadget");
5525
5526     level_editor_gadget[id] = gi;
5527   }
5528
5529   /* create buttons for element list */
5530   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5531   {
5532     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5533     int graphic = IMG_EDITOR_PALETTE_BUTTON;
5534     struct GraphicInfo *gd = &graphic_info[graphic];
5535     Bitmap *gd_bitmap = gd->bitmap;
5536     Bitmap *deco_bitmap;
5537     int deco_x, deco_y, deco_xpos, deco_ypos;
5538     int gd_x1 = gd->src_x;
5539     int gd_y1 = gd->src_y;
5540     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5541     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5542     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5543     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5544     int x = DX + ED_ELEMENTLIST_XPOS + xx * gd->width;
5545     int y = DY + ED_ELEMENTLIST_YPOS + yy * gd->height;
5546     int element = editor_elements[i];
5547     int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5548                      MINI_TILESIZE);
5549     unsigned int event_mask = GD_EVENT_RELEASED;
5550
5551     getElementListGraphicSource(element, &deco_bitmap, &deco_x, &deco_y);
5552     deco_xpos = (gd->width  - tile_size) / 2;
5553     deco_ypos = (gd->height - tile_size) / 2;
5554
5555     gi = CreateGadget(GDI_CUSTOM_ID, id,
5556                       GDI_CUSTOM_TYPE_ID, i,
5557                       GDI_INFO_TEXT, getElementInfoText(element),
5558                       GDI_X, x,
5559                       GDI_Y, y,
5560                       GDI_WIDTH, gd->width,
5561                       GDI_HEIGHT, gd->height,
5562                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5563                       GDI_STATE, GD_BUTTON_UNPRESSED,
5564                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5565                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5566                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5567                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5568                       GDI_DECORATION_SIZE, tile_size, tile_size,
5569                       GDI_DECORATION_SHIFTING, 1, 1,
5570                       GDI_EVENT_MASK, event_mask,
5571                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5572                       GDI_CALLBACK_ACTION, HandleControlButtons,
5573                       GDI_END);
5574
5575     if (gi == NULL)
5576       Error(ERR_EXIT, "cannot create gadget");
5577
5578     level_editor_gadget[id] = gi;
5579   }
5580 }
5581
5582 static void CreateCounterButtons()
5583 {
5584   int max_infotext_len = getMaxInfoTextLength();
5585   int i;
5586
5587   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5588   {
5589     int j;
5590     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
5591     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
5592
5593     /* determine horizontal position to the right of specified gadget */
5594     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5595       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5596            ED_GADGET_TEXT_DISTANCE);
5597
5598     /* determine horizontal offset for leading text */
5599     if (counterbutton_info[i].text_left != NULL)
5600       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5601
5602     for (j = 0; j < 2; j++)
5603     {
5604       struct GadgetInfo *gi;
5605       int id = (j == 0 ?
5606                 counterbutton_info[i].gadget_id_down :
5607                 counterbutton_info[i].gadget_id_up);
5608       int graphic;
5609       struct GraphicInfo *gd;
5610       int gd_x1, gd_x2, gd_y1, gd_y2;
5611       unsigned int event_mask;
5612       char infotext[max_infotext_len + 1];
5613
5614       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5615
5616       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5617       {
5618         graphic = (j == 0 ?
5619                    IMG_EDITOR_BUTTON_GFX_PREV_LEVEL :
5620                    IMG_EDITOR_BUTTON_GFX_NEXT_LEVEL);
5621
5622         event_mask |= GD_EVENT_RELEASED;
5623
5624         if (j == 0)
5625         {
5626           x = DX + editor.button.prev_level.x;
5627           y = DY + editor.button.prev_level.y;
5628         }
5629         else
5630         {
5631           x = DX + editor.button.next_level.x;
5632           y = DY + editor.button.next_level.y;
5633         }
5634       }
5635       else
5636       {
5637         graphic = (j == 0 ?
5638                    IMG_EDITOR_COUNTER_DOWN :
5639                    IMG_EDITOR_COUNTER_UP);
5640       }
5641
5642       gd = &graphic_info[graphic];
5643
5644       gd_x1 = gd->src_x;
5645       gd_y1 = gd->src_y;
5646       gd_x2 = gd->src_x + gd->pressed_xoffset;
5647       gd_y2 = gd->src_y + gd->pressed_yoffset;
5648
5649       sprintf(infotext, "%s counter value by 1, 5 or 10",
5650               (j == 0 ? "decrease" : "increase"));
5651
5652       gi = CreateGadget(GDI_CUSTOM_ID, id,
5653                         GDI_CUSTOM_TYPE_ID, i,
5654                         GDI_INFO_TEXT, infotext,
5655                         GDI_X, x,
5656                         GDI_Y, y,
5657                         GDI_WIDTH, gd->width,
5658                         GDI_HEIGHT, gd->height,
5659                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5660                         GDI_STATE, GD_BUTTON_UNPRESSED,
5661                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5662                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5663                         GDI_EVENT_MASK, event_mask,
5664                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5665                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5666                         GDI_END);
5667
5668       if (gi == NULL)
5669         Error(ERR_EXIT, "cannot create gadget");
5670
5671       level_editor_gadget[id] = gi;
5672       right_gadget_border[id] =
5673         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5674
5675       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
5676
5677       if (j == 0)
5678       {
5679         int font_type = FONT_INPUT_1;
5680         int font_type_active = FONT_INPUT_1_ACTIVE;
5681
5682         id = counterbutton_info[i].gadget_id_text;
5683
5684         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5685
5686         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5687         {
5688           graphic = IMG_EDITOR_INPUT_GFX_LEVEL_NUMBER;
5689
5690           font_type = FONT_LEVEL_NUMBER;
5691           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5692
5693           x = DX + editor.input.level_number.x;
5694           y = DY + editor.input.level_number.y;
5695         }
5696         else
5697         {
5698           graphic = IMG_EDITOR_COUNTER_INPUT;
5699         }
5700
5701         gd = &graphic_info[graphic];
5702
5703         gd_x1 = gd->src_x;
5704         gd_y1 = gd->src_y;
5705         gd_x2 = gd->src_x + gd->active_xoffset;
5706         gd_y2 = gd->src_y + gd->active_yoffset;
5707
5708         gi = CreateGadget(GDI_CUSTOM_ID, id,
5709                           GDI_CUSTOM_TYPE_ID, i,
5710                           GDI_INFO_TEXT, "enter counter value",
5711                           GDI_X, x,
5712                           GDI_Y, y,
5713                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5714                           GDI_NUMBER_VALUE, 0,
5715                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5716                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5717                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5718                           GDI_TEXT_FONT, font_type,
5719                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5720                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5721                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5722                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5723                           GDI_DESIGN_WIDTH, gd->width,
5724                           GDI_EVENT_MASK, event_mask,
5725                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5726                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5727                           GDI_END);
5728
5729         if (gi == NULL)
5730           Error(ERR_EXIT, "cannot create gadget");
5731
5732         level_editor_gadget[id] = gi;
5733         right_gadget_border[id] =
5734           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5735
5736         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
5737       }
5738     }
5739   }
5740 }
5741
5742 static void CreateDrawingAreas()
5743 {
5744   int i;
5745
5746   /* these values are not constant, but can change at runtime */
5747   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
5748   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
5749
5750   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5751   {
5752     struct GadgetInfo *gi;
5753     unsigned int event_mask;
5754     int id = drawingarea_info[i].gadget_id;
5755     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
5756     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
5757     int area_xsize = drawingarea_info[i].area_xsize;
5758     int area_ysize = drawingarea_info[i].area_ysize;
5759     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
5760                      ed_tilesize : ed_config_tilesize);
5761
5762     event_mask =
5763       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5764       GD_EVENT_OFF_BORDERS;
5765
5766     /* determine horizontal position to the right of specified gadget */
5767     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5768       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5769            ED_DRAWINGAREA_TEXT_DISTANCE);
5770
5771     /* determine horizontal offset for leading text */
5772     if (drawingarea_info[i].text_left != NULL)
5773       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5774
5775     gi = CreateGadget(GDI_CUSTOM_ID, id,
5776                       GDI_CUSTOM_TYPE_ID, i,
5777                       GDI_X, x,
5778                       GDI_Y, y,
5779                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5780                       GDI_AREA_SIZE, area_xsize, area_ysize,
5781                       GDI_ITEM_SIZE, item_size, item_size,
5782                       GDI_EVENT_MASK, event_mask,
5783                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5784                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5785                       GDI_END);
5786
5787     if (gi == NULL)
5788       Error(ERR_EXIT, "cannot create gadget");
5789
5790     level_editor_gadget[id] = gi;
5791     right_gadget_border[id] =
5792       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5793   }
5794 }
5795
5796 static void CreateTextInputGadgets()
5797 {
5798   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
5799   int max_infotext_len = getMaxInfoTextLength();
5800   int i;
5801
5802   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5803   {
5804     int gd_x1 = gd->src_x;
5805     int gd_y1 = gd->src_y;
5806     int gd_x2 = gd->src_x + gd->active_xoffset;
5807     int gd_y2 = gd->src_y + gd->active_yoffset;
5808     struct GadgetInfo *gi;
5809     unsigned int event_mask;
5810     char infotext[MAX_OUTPUT_LINESIZE + 1];
5811     int id = textinput_info[i].gadget_id;
5812     int x, y;
5813
5814     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
5815     {
5816       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
5817       int border_size = gd->border_size;
5818       int font_nr = FONT_INPUT_1;
5819       int font_height = getFontHeight(font_nr);
5820       int xoffset = TILEX + element_border + 3 * border_size;
5821       int yoffset = (TILEY - font_height) / 2;
5822
5823       x = ED_ELEMENT_SETTINGS_ELEM_XPOS + xoffset - border_size;
5824       y = ED_ELEMENT_SETTINGS_ELEM_YPOS + yoffset - border_size;
5825     }
5826     else
5827     {
5828       x = ED_SETTINGS_X(textinput_info[i].x);
5829       y = ED_SETTINGS_Y(textinput_info[i].y);
5830     }
5831
5832     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5833
5834     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5835     infotext[max_infotext_len] = '\0';
5836
5837     gi = CreateGadget(GDI_CUSTOM_ID, id,
5838                       GDI_CUSTOM_TYPE_ID, i,
5839                       GDI_INFO_TEXT, infotext,
5840                       GDI_X, SX + x,
5841                       GDI_Y, SY + y,
5842                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5843                       GDI_TEXT_VALUE, textinput_info[i].value,
5844                       GDI_TEXT_SIZE, textinput_info[i].size,
5845                       GDI_TEXT_FONT, FONT_INPUT_1,
5846                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5847                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5848                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5849                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5850                       GDI_DESIGN_WIDTH, gd->width,
5851                       GDI_EVENT_MASK, event_mask,
5852                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5853                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5854                       GDI_END);
5855
5856     if (gi == NULL)
5857       Error(ERR_EXIT, "cannot create gadget");
5858
5859     level_editor_gadget[id] = gi;
5860   }
5861 }
5862
5863 static void CreateTextAreaGadgets()
5864 {
5865   int max_infotext_len = getMaxInfoTextLength();
5866   int i;
5867
5868   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5869   {
5870     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
5871     int gd_x1 = gd->src_x;
5872     int gd_y1 = gd->src_y;
5873     int gd_x2 = gd->src_x + gd->active_xoffset;
5874     int gd_y2 = gd->src_y + gd->active_yoffset;
5875     struct GadgetInfo *gi;
5876     unsigned int event_mask;
5877     char infotext[MAX_OUTPUT_LINESIZE + 1];
5878     int id = textarea_info[i].gadget_id;
5879     int area_xsize = textarea_info[i].xsize;
5880     int area_ysize = textarea_info[i].ysize;
5881
5882     event_mask = GD_EVENT_TEXT_LEAVING;
5883
5884     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5885     infotext[max_infotext_len] = '\0';
5886
5887     gi = CreateGadget(GDI_CUSTOM_ID, id,
5888                       GDI_CUSTOM_TYPE_ID, i,
5889                       GDI_INFO_TEXT, infotext,
5890                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
5891                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
5892                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5893                       GDI_AREA_SIZE, area_xsize, area_ysize,
5894                       GDI_TEXT_FONT, FONT_INPUT_1,
5895                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5896                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5897                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5898                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5899                       GDI_DESIGN_WIDTH, gd->width,
5900                       GDI_EVENT_MASK, event_mask,
5901                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5902                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5903                       GDI_END);
5904
5905     if (gi == NULL)
5906       Error(ERR_EXIT, "cannot create gadget");
5907
5908     level_editor_gadget[id] = gi;
5909   }
5910 }
5911
5912 static void CreateSelectboxGadgets()
5913 {
5914   int max_infotext_len = getMaxInfoTextLength();
5915   int i, j;
5916
5917   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5918   {
5919     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
5920     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
5921     int gd_x1 = gd->src_x;
5922     int gd_y1 = gd->src_y;
5923     int gd_x2 = gd->src_x + gd->active_xoffset;
5924     int gd_y2 = gd->src_y + gd->active_yoffset;
5925     int selectbox_button_xsize = gd2->width;
5926     struct GadgetInfo *gi;
5927     unsigned int event_mask;
5928     char infotext[MAX_OUTPUT_LINESIZE + 1];
5929     int id = selectbox_info[i].gadget_id;
5930     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
5931     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
5932
5933     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5934     {
5935       /* (we cannot use -1 for uninitialized values if we directly compare
5936          with results from strlen(), because the '<' and '>' operation will
5937          implicitely cast -1 to an unsigned integer value!) */
5938       selectbox_info[i].size = 0;
5939
5940       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5941         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5942           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5943
5944       selectbox_info[i].size++;         /* add one character empty space */
5945     }
5946
5947     event_mask = GD_EVENT_RELEASED |
5948       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5949
5950     /* determine horizontal position to the right of specified gadget */
5951     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5952       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5953            ED_GADGET_TEXT_DISTANCE);
5954
5955     /* determine horizontal offset for leading text */
5956     if (selectbox_info[i].text_left != NULL)
5957       x += getTextWidthForGadget(selectbox_info[i].text_left);
5958
5959     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5960     infotext[max_infotext_len] = '\0';
5961
5962     gi = CreateGadget(GDI_CUSTOM_ID, id,
5963                       GDI_CUSTOM_TYPE_ID, i,
5964                       GDI_INFO_TEXT, infotext,
5965                       GDI_X, x,
5966                       GDI_Y, y,
5967                       GDI_TYPE, GD_TYPE_SELECTBOX,
5968                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
5969                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
5970                       GDI_TEXT_SIZE, selectbox_info[i].size,
5971                       GDI_TEXT_FONT, FONT_INPUT_1,
5972                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5973                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
5974                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5975                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5976                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5977                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
5978                       GDI_DESIGN_WIDTH, gd->width,
5979                       GDI_EVENT_MASK, event_mask,
5980                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5981                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
5982                       GDI_END);
5983
5984     if (gi == NULL)
5985       Error(ERR_EXIT, "cannot create gadget");
5986
5987     level_editor_gadget[id] = gi;
5988     right_gadget_border[id] =
5989       getRightGadgetBorder(gi, selectbox_info[i].text_right);
5990   }
5991 }
5992
5993 static void CreateTextbuttonGadgets()
5994 {
5995   int max_infotext_len = getMaxInfoTextLength();
5996   int i;
5997
5998   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
5999   {
6000     int id = textbutton_info[i].gadget_id;
6001     int is_tab_button =
6002       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6003        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6004     int graphic =
6005       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6006     int gadget_distance =
6007       (is_tab_button ? ED_GADGET_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6008     struct GraphicInfo *gd = &graphic_info[graphic];
6009     int gd_x1 = gd->src_x;
6010     int gd_y1 = gd->src_y;
6011     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6012     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6013     int gd_x1a = gd->src_x + gd->active_xoffset;
6014     int gd_y1a = gd->src_y + gd->active_yoffset;
6015     int border_xsize = gd->border_size + gd->draw_xoffset;
6016     int border_ysize = gd->border_size;
6017     struct GadgetInfo *gi;
6018     unsigned int event_mask;
6019     char infotext[MAX_OUTPUT_LINESIZE + 1];
6020     int x = SX + textbutton_info[i].x;
6021     int y = SY + textbutton_info[i].y;
6022
6023     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6024       textbutton_info[i].size = strlen(textbutton_info[i].text);
6025
6026     event_mask = GD_EVENT_RELEASED;
6027
6028     sprintf(infotext, "%s", textbutton_info[i].infotext);
6029     infotext[max_infotext_len] = '\0';
6030
6031     /* determine horizontal position to the right of specified gadget */
6032     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6033     {
6034       int gadget_id_align = textbutton_info[i].gadget_id_align;
6035
6036       x = right_gadget_border[gadget_id_align] + gadget_distance;
6037
6038       if (textbutton_info[i].y == -1)
6039         y = level_editor_gadget[gadget_id_align]->y;
6040     }
6041
6042     /* determine horizontal offset for leading text */
6043     if (textbutton_info[i].text_left != NULL)
6044       x += getTextWidthForGadget(textbutton_info[i].text_left);
6045
6046     gi = CreateGadget(GDI_CUSTOM_ID, id,
6047                       GDI_CUSTOM_TYPE_ID, i,
6048                       GDI_INFO_TEXT, infotext,
6049                       GDI_X, x,
6050                       GDI_Y, y,
6051                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6052                       GDI_TEXT_VALUE, textbutton_info[i].text,
6053                       GDI_TEXT_SIZE, textbutton_info[i].size,
6054                       GDI_TEXT_FONT, FONT_INPUT_2,
6055                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6056                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6057                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6058                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6059                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6060                       GDI_DESIGN_WIDTH, gd->width,
6061                       GDI_DECORATION_SHIFTING, 1, 1,
6062                       GDI_EVENT_MASK, event_mask,
6063                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6064                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6065                       GDI_END);
6066
6067     if (gi == NULL)
6068       Error(ERR_EXIT, "cannot create gadget");
6069
6070     level_editor_gadget[id] = gi;
6071     right_gadget_border[id] =
6072       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6073   }
6074 }
6075
6076 static void CreateGraphicbuttonGadgets()
6077 {
6078   struct GadgetInfo *gi;
6079   unsigned int event_mask;
6080   int i;
6081
6082   /* create buttons for scrolling of drawing area and element list */
6083   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6084   {
6085     int id = graphicbutton_info[i].gadget_id;
6086     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6087     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6088     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6089     int gd_x1 = gd->src_x;
6090     int gd_y1 = gd->src_y;
6091     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6092     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6093
6094     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6095
6096     /* determine horizontal position to the right of specified gadget */
6097     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6098       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6099            ED_GADGET_TEXT_DISTANCE);
6100
6101     /* determine horizontal offset for leading text */
6102     if (graphicbutton_info[i].text_left != NULL)
6103       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6104
6105     gi = CreateGadget(GDI_CUSTOM_ID, id,
6106                       GDI_CUSTOM_TYPE_ID, i,
6107                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6108                       GDI_X, x,
6109                       GDI_Y, y,
6110                       GDI_WIDTH, gd->width,
6111                       GDI_HEIGHT, gd->height,
6112                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6113                       GDI_STATE, GD_BUTTON_UNPRESSED,
6114                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6115                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6116                       GDI_EVENT_MASK, event_mask,
6117                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6118                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6119                       GDI_END);
6120
6121     if (gi == NULL)
6122       Error(ERR_EXIT, "cannot create gadget");
6123
6124     level_editor_gadget[id] = gi;
6125     right_gadget_border[id] =
6126       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6127   }
6128 }
6129
6130 static void CreateScrollbarGadgets()
6131 {
6132   int i;
6133
6134   /* these values are not constant, but can change at runtime */
6135   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6136     SX + ED_SCROLL_HORIZONTAL_XPOS;
6137   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6138     SY + ED_SCROLL_HORIZONTAL_YPOS;
6139   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6140     ED_SCROLL_HORIZONTAL_XSIZE;
6141   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6142     ED_SCROLL_HORIZONTAL_YSIZE;
6143   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6144   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6145   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6146   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6147
6148   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6149     SX + ED_SCROLL_VERTICAL_XPOS;
6150   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6151     SY + ED_SCROLL_VERTICAL_YPOS;
6152   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6153     ED_SCROLL_VERTICAL_XSIZE;
6154   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6155     ED_SCROLL_VERTICAL_YSIZE;
6156   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6157   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6158   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6159   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6160
6161   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6162     DX + ED_SCROLL2_VERTICAL_XPOS;
6163   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6164     DY + ED_SCROLL2_VERTICAL_YPOS;
6165   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6166     ED_SCROLL2_VERTICAL_XSIZE;
6167   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6168     ED_SCROLL2_VERTICAL_YSIZE;
6169   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = DX;
6170   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = DY;
6171   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = DXSIZE;
6172   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = DYSIZE;
6173
6174   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6175   {
6176     int id = scrollbar_info[i].gadget_id;
6177     int graphic = scrollbar_info[i].graphic;
6178     struct GraphicInfo *gd = &graphic_info[graphic];
6179     Bitmap *gd_bitmap = gd->bitmap;
6180     int gd_x1, gd_x2, gd_y1, gd_y2;
6181     struct GadgetInfo *gi;
6182     int items_max, items_visible, item_position;
6183     unsigned int event_mask;
6184
6185     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6186     {
6187       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6188       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6189       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6190     }
6191     else        /* drawing area scrollbars */
6192     {
6193       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6194       {
6195         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6196         items_visible = ed_fieldx;
6197         item_position = 0;
6198       }
6199       else
6200       {
6201         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6202         items_visible = ed_fieldy;
6203         item_position = 0;
6204       }
6205     }
6206
6207     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6208
6209     gd_x1 = gd->src_x;
6210     gd_y1 = gd->src_y;
6211     gd_x2 = gd->src_x + gd->pressed_xoffset;
6212     gd_y2 = gd->src_y + gd->pressed_yoffset;
6213
6214     gi = CreateGadget(GDI_CUSTOM_ID, id,
6215                       GDI_CUSTOM_TYPE_ID, i,
6216                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6217                       GDI_X, scrollbar_pos[i].x,
6218                       GDI_Y, scrollbar_pos[i].y,
6219                       GDI_WIDTH, scrollbar_pos[i].width,
6220                       GDI_HEIGHT, scrollbar_pos[i].height,
6221                       GDI_TYPE, scrollbar_info[i].type,
6222                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6223                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6224                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6225                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6226                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6227                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6228                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6229                       GDI_STATE, GD_BUTTON_UNPRESSED,
6230                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6231                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6232                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
6233                       GDI_EVENT_MASK, event_mask,
6234                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6235                       GDI_CALLBACK_ACTION, HandleControlButtons,
6236                       GDI_END);
6237
6238     if (gi == NULL)
6239       Error(ERR_EXIT, "cannot create gadget");
6240
6241     level_editor_gadget[id] = gi;
6242   }
6243 }
6244
6245 static void CreateCheckbuttonGadgets()
6246 {
6247   struct GadgetInfo *gi;
6248   unsigned int event_mask;
6249   int i;
6250
6251   event_mask = GD_EVENT_PRESSED;
6252
6253   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6254   {
6255     int id = checkbutton_info[i].gadget_id;
6256     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6257                    IMG_EDITOR_CHECKBOX);
6258     struct GraphicInfo *gd = &graphic_info[graphic];
6259     int gd_x1 = gd->src_x;
6260     int gd_y1 = gd->src_y;
6261     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6262     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6263     int gd_x1a = gd->src_x + gd->active_xoffset;
6264     int gd_y1a = gd->src_y + gd->active_yoffset;
6265     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6266     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6267     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6268     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6269
6270     /* determine horizontal position to the right of specified gadget */
6271     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6272       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6273            ED_GADGET_TEXT_DISTANCE);
6274
6275     /* determine horizontal offset for leading text */
6276     if (checkbutton_info[i].text_left != NULL)
6277       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6278
6279     gi = CreateGadget(GDI_CUSTOM_ID, id,
6280                       GDI_CUSTOM_TYPE_ID, i,
6281                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6282                       GDI_X, x,
6283                       GDI_Y, y,
6284                       GDI_WIDTH, gd->width,
6285                       GDI_HEIGHT, gd->height,
6286                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6287                       GDI_CHECKED, *checkbutton_info[i].value,
6288                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6289                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6290                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6291                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6292                       GDI_EVENT_MASK, event_mask,
6293                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6294                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6295                       GDI_END);
6296
6297     if (gi == NULL)
6298       Error(ERR_EXIT, "cannot create gadget");
6299
6300     level_editor_gadget[id] = gi;
6301     right_gadget_border[id] =
6302       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6303   }
6304 }
6305
6306 static void CreateRadiobuttonGadgets()
6307 {
6308   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6309   int gd_x1 = gd->src_x;
6310   int gd_y1 = gd->src_y;
6311   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6312   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6313   int gd_x1a = gd->src_x + gd->active_xoffset;
6314   int gd_y1a = gd->src_y + gd->active_yoffset;
6315   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6316   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6317   struct GadgetInfo *gi;
6318   unsigned int event_mask;
6319   int i;
6320
6321   event_mask = GD_EVENT_PRESSED;
6322
6323   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6324   {
6325     int id = radiobutton_info[i].gadget_id;
6326     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6327     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6328
6329     int checked =
6330       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6331
6332     /* determine horizontal position to the right of specified gadget */
6333     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6334       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6335            ED_GADGET_TEXT_DISTANCE);
6336
6337     /* determine horizontal offset for leading text */
6338     if (radiobutton_info[i].text_left != NULL)
6339       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6340
6341     gi = CreateGadget(GDI_CUSTOM_ID, id,
6342                       GDI_CUSTOM_TYPE_ID, i,
6343                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6344                       GDI_X, x,
6345                       GDI_Y, y,
6346                       GDI_WIDTH, gd->width,
6347                       GDI_HEIGHT, gd->height,
6348                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6349                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6350                       GDI_CHECKED, checked,
6351                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6352                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6353                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6354                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6355                       GDI_EVENT_MASK, event_mask,
6356                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6357                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6358                       GDI_END);
6359
6360     if (gi == NULL)
6361       Error(ERR_EXIT, "cannot create gadget");
6362
6363     level_editor_gadget[id] = gi;
6364     right_gadget_border[id] =
6365       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6366   }
6367 }
6368
6369 void CreateLevelEditorGadgets()
6370 {
6371   int old_game_status = game_status;
6372
6373   /* setting 'game_status' is needed to get the right fonts for the editor */
6374   game_status = GAME_MODE_EDITOR;
6375
6376   /* these values are not constant, but can change at runtime */
6377   ed_fieldx = MAX_ED_FIELDX - 1;
6378   ed_fieldy = MAX_ED_FIELDY - 1;
6379
6380   num_editor_gadgets = NUM_EDITOR_GADGETS;
6381
6382   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6383
6384   level_editor_gadget =
6385     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6386   right_gadget_border =
6387     checked_calloc(num_editor_gadgets * sizeof(int));
6388
6389   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6390   editor_el_empty_ptr = editor_el_empty;
6391
6392   ReinitializeElementList();
6393
6394   CreateControlButtons();
6395   CreateScrollbarGadgets();
6396
6397   /* order of function calls is important because of cross-references */
6398   CreateCheckbuttonGadgets();
6399   CreateCounterButtons();
6400   CreateRadiobuttonGadgets();
6401   CreateTextInputGadgets();
6402   CreateTextAreaGadgets();
6403   CreateSelectboxGadgets();
6404   CreateGraphicbuttonGadgets();
6405   CreateTextbuttonGadgets();
6406   CreateDrawingAreas();
6407
6408   game_status = old_game_status;
6409 }
6410
6411 void FreeLevelEditorGadgets()
6412 {
6413   int i;
6414
6415   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6416
6417   for (i = 0; i < num_editor_gadgets; i++)
6418   {
6419     FreeGadget(level_editor_gadget[i]);
6420
6421     level_editor_gadget[i] = NULL;
6422   }
6423
6424   checked_free(level_editor_gadget);
6425   checked_free(right_gadget_border);
6426
6427   checked_free(editor_el_empty);
6428 }
6429
6430 static void MapCounterButtons(int id)
6431 {
6432   int font_nr = FONT_TEXT_1;
6433   int font_height = getFontHeight(font_nr);
6434   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6435   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6436   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6437   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6438   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6439   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6440   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6441   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6442   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6443   int yoffset = (gi_down->height - font_height) / 2;
6444   int x_left = gi_down->x - xoffset_left;
6445   int x_right;  /* set after gadget position was modified */
6446   int y_above = gi_down->y - yoffset_above;
6447   int x = gi_down->x;
6448   int y;        /* set after gadget position was modified */
6449
6450   /* counter limits must be changed first to prevent value truncation */
6451   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6452                             counterbutton_info[id].max_value);
6453
6454   /* right text position might have changed after setting position above */
6455   x_right = gi_up->x + gi_up->width + xoffset_right;
6456
6457   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6458
6459   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6460   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6461       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6462   {
6463     ModifyGadget(gi_down, GDI_Y,
6464                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6465     ModifyGadget(gi_text, GDI_Y,
6466                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6467     ModifyGadget(gi_up,   GDI_Y,
6468                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6469   }
6470
6471   /* vertical position might have changed after setting position above */
6472   y = gi_up->y + yoffset;
6473
6474   if (counterbutton_info[id].text_above)
6475     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
6476
6477   if (counterbutton_info[id].text_left)
6478     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
6479
6480   if (counterbutton_info[id].text_right)
6481     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
6482
6483   MapGadget(gi_down);
6484   MapGadget(gi_text);
6485   MapGadget(gi_up);
6486 }
6487
6488 static void MapControlButtons()
6489 {
6490   int counter_id;
6491   int i;
6492
6493   /* map toolbox buttons (excluding special CE toolbox buttons) */
6494   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6495     MapGadget(level_editor_gadget[i]);
6496
6497   /* map toolbox buttons (element properties button) */
6498   MapGadget(level_editor_gadget[ED_NUM_CTRL1_4_BUTTONS]);
6499
6500   /* map buttons to select elements */
6501   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6502     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6503   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6504   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6505   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6506
6507   /* map buttons to select level */
6508   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6509   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6510   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6511   MapCounterButtons(counter_id);
6512 }
6513
6514 static void MapDrawingArea(int id)
6515 {
6516   int font_nr = FONT_TEXT_1;
6517   int font_height = getFontHeight(font_nr);
6518   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6519   int area_xsize = gi->drawing.area_xsize;
6520   int area_ysize = gi->drawing.area_ysize;
6521   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6522   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
6523   int x_left  = gi->x - xoffset_left;
6524   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6525   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6526   int y_side  = gi->y + (gi->height - font_height) / 2;
6527   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6528
6529   if (drawingarea_info[id].text_left)
6530     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
6531
6532   if (drawingarea_info[id].text_right)
6533     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
6534
6535   if (drawingarea_info[id].text_below)
6536     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
6537
6538   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6539   {
6540     DrawElementBorder(gi->x, gi->y,
6541                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
6542
6543     DrawDrawingArea(id);
6544   }
6545
6546   MapGadget(gi);
6547 }
6548
6549 static void MapTextInputGadget(int id)
6550 {
6551   int font_nr = FONT_TEXT_1;
6552   int font_height = getFontHeight(font_nr);
6553   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6554   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6555   int x_above = ED_SETTINGS_X(textinput_info[id].x);
6556   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
6557
6558   if (textinput_info[id].text_above)
6559     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
6560
6561   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6562
6563   MapGadget(gi);
6564 }
6565
6566 static void MapTextAreaGadget(int id)
6567 {
6568   int font_nr = FONT_TEXT_1;
6569   int font_height = getFontHeight(font_nr);
6570   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6571   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6572   int x_above = ED_SETTINGS_X(textarea_info[id].x);
6573   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
6574
6575   if (textarea_info[id].text_above)
6576     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
6577
6578   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6579
6580   MapGadget(gi);
6581 }
6582
6583 static void MapSelectboxGadget(int id)
6584 {
6585   int font_nr = FONT_TEXT_1;
6586   int font_height = getFontHeight(font_nr);
6587   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6588   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6589   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6590   int yoffset = (gi->height - font_height) / 2;
6591   int x_left = gi->x - xoffset_left;
6592   int x_right = gi->x + gi->width + xoffset_right;
6593   int y = gi->y + yoffset;
6594
6595   if (selectbox_info[id].text_left)
6596     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
6597
6598   if (selectbox_info[id].text_right)
6599     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
6600
6601   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6602
6603   MapGadget(gi);
6604 }
6605
6606 static void MapTextbuttonGadget(int id)
6607 {
6608   int font_nr = FONT_TEXT_1;
6609   int font_height = getFontHeight(font_nr);
6610   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6611   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6612   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6613   int yoffset = (gi->height - font_height) / 2;
6614   int x_left = gi->x - xoffset_left;
6615   int x_right = gi->x + gi->width + xoffset_right;
6616   int y = gi->y + yoffset;
6617
6618   /* only show button to delete change pages when more than minimum pages */
6619   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6620       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6621     return;
6622
6623   if (textbutton_info[id].text_left)
6624     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
6625
6626   if (textbutton_info[id].text_right)
6627     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
6628
6629   MapGadget(gi);
6630 }
6631
6632 static void MapGraphicbuttonGadget(int id)
6633 {
6634   int font_nr = FONT_TEXT_1;
6635   int font_height = getFontHeight(font_nr);
6636   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6637   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6638   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6639   int yoffset = (gi->height - font_height) / 2;
6640   int x_left = gi->x - xoffset_left;
6641   int x_right = gi->x + gi->width + xoffset_right;
6642   int y = gi->y + yoffset;
6643
6644   if (graphicbutton_info[id].text_left)
6645     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
6646
6647   if (graphicbutton_info[id].text_right)
6648     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
6649
6650   MapGadget(gi);
6651 }
6652
6653 static void MapRadiobuttonGadget(int id)
6654 {
6655   int font_nr = FONT_TEXT_1;
6656   int font_height = getFontHeight(font_nr);
6657   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6658   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6659   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6660   int yoffset = (gi->height - font_height) / 2;
6661   int x_left = gi->x - xoffset_left;
6662   int x_right = gi->x + gi->width + xoffset_right;
6663   int y = gi->y + yoffset;
6664   boolean checked =
6665     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6666
6667   if (radiobutton_info[id].text_left)
6668     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
6669
6670   if (radiobutton_info[id].text_right)
6671     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
6672
6673   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6674
6675   MapGadget(gi);
6676 }
6677
6678 static void MapCheckbuttonGadget(int id)
6679 {
6680   int font_nr = FONT_TEXT_1;
6681   int font_height = getFontHeight(font_nr);
6682   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6683   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6684   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6685   int yoffset = (gi->height - font_height) / 2;
6686   int x_left, x_right, y;       /* set after gadget position was modified */
6687
6688   /* set position for gadgets with dynamically determined position */
6689   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6690     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
6691   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
6692
6693   x_left = gi->x - xoffset_left;
6694   x_right = gi->x + gi->width + xoffset_right;
6695   y = gi->y + yoffset;
6696
6697   if (checkbutton_info[id].text_left)
6698     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
6699
6700   if (checkbutton_info[id].text_right)
6701     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
6702
6703   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6704
6705   MapGadget(gi);
6706 }
6707
6708 static void MapMainDrawingArea()
6709 {
6710   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6711   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6712   int i;
6713
6714   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6715   {
6716     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6717           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6718          no_horizontal_scrollbar) ||
6719         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6720           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6721          no_vertical_scrollbar))
6722       continue;
6723
6724     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6725   }
6726
6727   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6728   {
6729     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6730         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6731       continue;
6732
6733     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6734   }
6735
6736   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6737 }
6738
6739 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6740 {
6741   int i;
6742
6743   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6744   {
6745     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6746         i == GADGET_ID_CUSTOM_COPY_TO ||
6747         i == GADGET_ID_CUSTOM_EXCHANGE ||
6748         i == GADGET_ID_CUSTOM_COPY ||
6749         i == GADGET_ID_CUSTOM_PASTE)
6750     {
6751       if (map)
6752         MapGadget(level_editor_gadget[i]);
6753       else
6754         UnmapGadget(level_editor_gadget[i]);
6755     }
6756   }
6757 }
6758
6759 static void MapLevelEditorToolboxCustomGadgets()
6760 {
6761   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6762 }
6763
6764 static void UnmapLevelEditorToolboxCustomGadgets()
6765 {
6766   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6767 }
6768
6769 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6770 {
6771   int i;
6772
6773   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6774   {
6775     if (i != GADGET_ID_SINGLE_ITEMS &&
6776         i != GADGET_ID_PICK_ELEMENT)
6777     {
6778       struct GadgetInfo *gi = level_editor_gadget[i];
6779
6780       if (map)
6781       {
6782         MapGadget(gi);
6783       }
6784       else
6785       {
6786         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
6787         struct GraphicInfo *gd = &graphic_info[graphic];
6788
6789         UnmapGadget(gi);
6790
6791         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
6792                    gi->width, gi->height, gi->x, gi->y);
6793
6794         redraw_mask |= REDRAW_DOOR_3;
6795       }
6796     }
6797   }
6798 }
6799
6800 static void MapLevelEditorToolboxDrawingGadgets()
6801 {
6802   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6803 }
6804
6805 static void UnmapLevelEditorToolboxDrawingGadgets()
6806 {
6807   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6808 }
6809
6810 static void UnmapDrawingArea(int id)
6811 {
6812   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6813 }
6814
6815 static void UnmapLevelEditorFieldGadgets()
6816 {
6817   int i;
6818
6819   for (i = 0; i < num_editor_gadgets; i++)
6820     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
6821                           level_editor_gadget[i]->y))
6822       UnmapGadget(level_editor_gadget[i]);
6823 }
6824
6825 void UnmapLevelEditorGadgets()
6826 {
6827   int i;
6828
6829   for (i = 0; i < num_editor_gadgets; i++)
6830     UnmapGadget(level_editor_gadget[i]);
6831 }
6832
6833 static void ResetUndoBuffer()
6834 {
6835   undo_buffer_position = -1;
6836   undo_buffer_steps = -1;
6837   redo_buffer_steps = 0;
6838
6839   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6840
6841   level.changed = FALSE;
6842 }
6843
6844 static void DrawEditModeWindow()
6845 {
6846   ModifyEditorElementList();
6847   RedrawDrawingElements();
6848
6849   if (edit_mode == ED_MODE_INFO)
6850     DrawLevelInfoWindow();
6851   else if (edit_mode == ED_MODE_PROPERTIES)
6852     DrawPropertiesWindow();
6853   else  /* edit_mode == ED_MODE_DRAWING */
6854     DrawDrawingWindow();
6855 }
6856
6857 static boolean LevelChanged()
6858 {
6859   boolean field_changed = FALSE;
6860   int x, y;
6861
6862   for (y = 0; y < lev_fieldy; y++)
6863     for (x = 0; x < lev_fieldx; x++)
6864       if (Feld[x][y] != level.field[x][y])
6865         field_changed = TRUE;
6866
6867   return (level.changed || field_changed);
6868 }
6869
6870 static boolean PrepareSavingIntoPersonalLevelSet()
6871 {
6872   static LevelDirTree *last_copied_leveldir = NULL;
6873   static LevelDirTree *last_written_leveldir = NULL;
6874   static int last_copied_level_nr = -1;
6875   static int last_written_level_nr = -1;
6876   LevelDirTree *leveldir_former = leveldir_current;
6877   int level_nr_former = level_nr;
6878   int new_level_nr;
6879
6880   // remember last mod/save so that for current session, we write
6881   // back to the same personal copy, asking only about overwrite.
6882   if (leveldir_current == last_copied_leveldir &&
6883       level_nr == last_copied_level_nr)
6884   {
6885     // "cd" to personal level set dir (as used when writing last copy)
6886     leveldir_current = last_written_leveldir;
6887     level_nr = last_written_level_nr;
6888
6889     return TRUE;
6890   }
6891
6892   if (!Request("This level is read only! "
6893                "Save into personal level set?", REQ_ASK))
6894     return FALSE;
6895
6896   // "cd" to personal level set dir (for writing copy the first time)
6897   leveldir_current =
6898     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
6899
6900   // find unused level number
6901   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
6902   {
6903     static char *level_filename = NULL;
6904
6905     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
6906
6907     if (!fileExists(level_filename))
6908       break;
6909   }
6910
6911   last_copied_leveldir = leveldir_former;
6912   last_copied_level_nr = level_nr_former;
6913
6914   last_written_leveldir = leveldir_current;
6915   last_written_level_nr = level_nr = new_level_nr;
6916
6917   return TRUE;
6918 }
6919
6920 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
6921 {
6922   static char *filename_levelinfo = NULL, *mod_name = NULL;
6923   FILE *file;
6924
6925   // annotate this copy-and-mod in personal levelinfo.conf
6926   setString(&filename_levelinfo,
6927             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
6928
6929   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
6930   {
6931     fprintf(file, "\n");
6932     fprintf(file, "# level %d was modified from:\n", level_nr);
6933     fprintf(file, "# - previous level set name:    %s\n",
6934             former_name);
6935     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
6936             level.file_info.nr, level.name);
6937     fprintf(file, "# - previous author:            %s\n",
6938             level.author);
6939     fprintf(file, "# - previous save date:         ");
6940
6941     if (level.creation_date.src == DATE_SRC_LEVELFILE)
6942     {
6943       fprintf(file, "%04d-%02d-%02d\n",
6944               level.creation_date.year,
6945               level.creation_date.month,
6946               level.creation_date.day);
6947     }
6948     else
6949     {
6950       fprintf(file, "not recorded\n");
6951     }
6952
6953     fclose(file);
6954   }
6955
6956   if (level_nr > leveldir_current->last_level)
6957   {
6958     static char *temp_levelinfo = NULL;
6959     FILE *temp_file = NULL;
6960     char line[MAX_LINE_LEN];
6961
6962     setString(&temp_levelinfo,
6963               getPath2(getCurrentLevelDir(),
6964                        getStringCat2(LEVELINFO_FILENAME, ".new")));
6965
6966     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
6967         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
6968     {
6969       while (fgets(line, MAX_LINE_LEN, file))
6970       {
6971         if (!strPrefix(line, "levels:"))
6972           fputs(line, temp_file);
6973         else
6974           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
6975       }
6976     }
6977
6978     if (temp_file)
6979       fclose(temp_file);
6980
6981     if (file)
6982       fclose(file);
6983
6984     // needs error handling; also, ok on dos/win?
6985     unlink(filename_levelinfo);
6986     rename(temp_levelinfo, filename_levelinfo);
6987   }
6988
6989   // else: allow the save even if annotation failed
6990
6991   // now... spray graffiti on the old level vital statistics
6992   // user can change these; just trying to set a good baseline
6993
6994   // don't truncate names for fear of making offensive or silly:
6995   // long-named original author only recorded in levelinfo.conf.
6996   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
6997   if (!strEqual(level.author, leveldir_current->author))
6998   {
6999     setString(&mod_name, getStringCat3(leveldir_current->author,
7000                                        " after ", level.author));
7001
7002     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7003       setString(&mod_name,
7004                 getStringCat2(leveldir_current->author, " (ed.)"));
7005
7006     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7007       setString(&mod_name, leveldir_current->author);
7008
7009     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7010
7011     // less worried about truncation here
7012     setString(&mod_name, getStringCat2("Mod: ", level.name));
7013     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7014   }
7015 }
7016
7017 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7018                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7019 {
7020   int x, y;
7021
7022   for (x = 0; x < lev_fieldx; x++)
7023     for (y = 0; y < lev_fieldy; y++)
7024       dst[x][y] = src[x][y];
7025 }
7026
7027 static int setSelectboxValue(int selectbox_id, int new_value)
7028 {
7029   int new_index_value = 0;
7030   int i;
7031
7032   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7033     if (selectbox_info[selectbox_id].options[i].value == new_value)
7034       new_index_value = i;
7035
7036   *selectbox_info[selectbox_id].value =
7037     selectbox_info[selectbox_id].options[new_index_value].value;
7038
7039   return new_index_value;
7040 }
7041
7042 static void setSelectboxSpecialActionVariablesIfNeeded()
7043 {
7044   int i;
7045
7046   /* change action mode and arg variables according to action type variable */
7047   for (i = 0; action_arg_options[i].value != -1; i++)
7048   {
7049     if (action_arg_options[i].value == custom_element_change.action_type)
7050     {
7051       int mode = action_arg_options[i].mode;
7052
7053       /* only change if corresponding selectbox has changed */
7054       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7055           action_arg_modes[mode])
7056         custom_element_change.action_mode = -1;
7057
7058       /* only change if corresponding selectbox has changed */
7059       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7060           action_arg_options[i].options)
7061         custom_element_change.action_arg = -1;
7062
7063       break;
7064     }
7065   }
7066 }
7067
7068 static void setSelectboxSpecialActionOptions()
7069 {
7070   int i;
7071
7072   /* change action mode and arg selectbox according to action type selectbox */
7073   for (i = 0; action_arg_options[i].value != -1; i++)
7074   {
7075     if (action_arg_options[i].value == custom_element_change.action_type)
7076     {
7077       int mode = action_arg_options[i].mode;
7078
7079       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7080                                    action_arg_modes[mode]);
7081       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7082                                  custom_element_change.action_mode);
7083
7084       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7085                                    action_arg_options[i].options);
7086       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7087                                  custom_element_change.action_arg);
7088       break;
7089     }
7090   }
7091 }
7092
7093 static void copy_custom_element_settings(int element_from, int element_to)
7094 {
7095   struct ElementInfo *ei_from = &element_info[element_from];
7096   struct ElementInfo *ei_to = &element_info[element_to];
7097
7098   copyElementInfo(ei_from, ei_to);
7099 }
7100
7101 static void replace_custom_element_in_settings(int element_from,
7102                                                int element_to)
7103 {
7104   int i, j, x, y;
7105
7106   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7107   {
7108     struct ElementInfo *ei = &element_info[i];
7109
7110     for (y = 0; y < 3; y++)
7111       for (x = 0; x < 3; x++)
7112         if (ei->content.e[x][y] == element_from)
7113           ei->content.e[x][y] = element_to;
7114
7115     for (j = 0; j < ei->num_change_pages; j++)
7116     {
7117       struct ElementChangeInfo *change = &ei->change_page[j];
7118
7119       if (change->target_element == element_from)
7120         change->target_element = element_to;
7121
7122       if (change->initial_trigger_element == element_from)
7123         change->initial_trigger_element = element_to;
7124
7125       if (change->action_element == element_from)
7126         change->action_element = element_to;
7127
7128       for (y = 0; y < 3; y++)
7129         for (x = 0; x < 3; x++)
7130           if (change->target_content.e[x][y] == element_from)
7131             change->target_content.e[x][y] = element_to;
7132     }
7133
7134     if (ei->group != NULL)                              /* group or internal */
7135       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7136         if (ei->group->element[j] == element_from)
7137           ei->group->element[j] = element_to;
7138   }
7139 }
7140
7141 static void replace_custom_element_in_playfield(int element_from,
7142                                                 int element_to)
7143 {
7144   int x, y;
7145
7146   for (x = 0; x < lev_fieldx; x++)
7147     for (y = 0; y < lev_fieldy; y++)
7148       if (Feld[x][y] == element_from)
7149         Feld[x][y] = element_to;
7150 }
7151
7152 static boolean CopyCustomElement(int element_old, int element_new,
7153                                  int copy_mode)
7154 {
7155   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7156   {
7157     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7158                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7159     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7160   }
7161   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7162   {
7163     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7164                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7165     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7166
7167     level.changed = TRUE;
7168   }
7169   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7170   {
7171     Request("Please choose custom element!", REQ_CONFIRM);
7172
7173     return FALSE;
7174   }
7175   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7176   {
7177     Request("Please choose group element!", REQ_CONFIRM);
7178
7179     return FALSE;
7180   }
7181   else
7182   {
7183     level.changed = TRUE;
7184   }
7185
7186   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7187   {
7188     copy_custom_element_settings(element_new, element_old);
7189   }
7190   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7191   {
7192     copy_custom_element_settings(element_old, element_new);
7193   }
7194   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7195   {
7196     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7197     copy_custom_element_settings(element_new, element_old);
7198     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7199
7200     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7201     replace_custom_element_in_settings(element_new, element_old);
7202     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7203
7204     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7205     replace_custom_element_in_playfield(element_new, element_old);
7206     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7207   }
7208
7209   UpdateCustomElementGraphicGadgets();
7210   DrawPropertiesWindow();
7211
7212   return TRUE;
7213 }
7214
7215 static void CopyCustomElementPropertiesToEditor(int element)
7216 {
7217   int i;
7218   int current_change_page = element_info[element].current_change_page;
7219
7220   /* dynamically (re)build selectbox for selecting change page */
7221   for (i = 0; i < element_info[element].num_change_pages; i++)
7222   {
7223     sprintf(options_change_page_strings[i], "%d", i + 1);
7224
7225     options_change_page[i].value = i;
7226     options_change_page[i].text = options_change_page_strings[i];
7227   }
7228
7229   options_change_page[i].value = -1;
7230   options_change_page[i].text = NULL;
7231
7232   /* needed here to initialize combined element properties */
7233   InitElementPropertiesEngine(level.game_version);
7234
7235   element_info[element].change =
7236     &element_info[element].change_page[current_change_page];
7237
7238   custom_element = element_info[element];
7239   custom_element_change = *element_info[element].change;
7240
7241   /* needed to initially set selectbox options for special action options */
7242   setSelectboxSpecialActionOptions();
7243
7244   /* needed to initially set selectbox value variables to reliable defaults */
7245   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7246     setSelectboxValue(i, *selectbox_info[i].value);
7247
7248   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7249     custom_element_properties[i] = HAS_PROPERTY(element, i);
7250
7251   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7252     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7253
7254   /* ---------- element settings: configure (custom elements) ------------- */
7255
7256   /* set accessible layer selectbox help value */
7257   custom_element.access_type =
7258     (IS_WALKABLE(element) ? EP_WALKABLE :
7259      IS_PASSABLE(element) ? EP_PASSABLE :
7260      custom_element.access_type);
7261   custom_element.access_layer =
7262     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7263      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7264      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7265      custom_element.access_layer);
7266   custom_element.access_protected =
7267     (IS_PROTECTED(element) ? 1 : 0);
7268   custom_element_properties[EP_ACCESSIBLE] =
7269     (IS_ACCESSIBLE_OVER(element) ||
7270      IS_ACCESSIBLE_INSIDE(element) ||
7271      IS_ACCESSIBLE_UNDER(element));
7272
7273   /* set walk-to-object action selectbox help value */
7274   custom_element.walk_to_action =
7275     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7276      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7277      IS_DROPPABLE(element) ? EP_DROPPABLE :
7278      IS_THROWABLE(element) ? EP_THROWABLE :
7279      IS_PUSHABLE(element) ? EP_PUSHABLE :
7280      custom_element.walk_to_action);
7281   custom_element_properties[EP_WALK_TO_OBJECT] =
7282     (IS_DIGGABLE(element) ||
7283      IS_COLLECTIBLE_ONLY(element) ||
7284      IS_DROPPABLE(element) ||
7285      IS_THROWABLE(element) ||
7286      IS_PUSHABLE(element));
7287
7288   /* set smash targets selectbox help value */
7289   custom_element.smash_targets =
7290     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7291      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7292      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7293      custom_element.smash_targets);
7294   custom_element_properties[EP_CAN_SMASH] =
7295     (CAN_SMASH_EVERYTHING(element) ||
7296      CAN_SMASH_ENEMIES(element) ||
7297      CAN_SMASH_PLAYER(element));
7298
7299   /* set deadliness selectbox help value */
7300   custom_element.deadliness =
7301     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7302      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7303      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7304      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7305      custom_element.deadliness);
7306   custom_element_properties[EP_DEADLY] =
7307     (DONT_TOUCH(element) ||
7308      DONT_GET_HIT_BY(element) ||
7309      DONT_COLLIDE_WITH(element) ||
7310      DONT_RUN_INTO(element));
7311
7312   /* ---------- element settings: advanced (custom elements) --------------- */
7313
7314   /* set "change by direct action" selectbox help value */
7315   custom_element_change.direct_action =
7316     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7317      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7318      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7319      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7320      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7321      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7322      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7323      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7324      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7325      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7326      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7327      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7328      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7329      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7330      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7331      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7332      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7333      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7334      custom_element_change.direct_action);
7335
7336   /* set "change by other element action" selectbox help value */
7337   custom_element_change.other_action =
7338     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7339      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7340      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7341      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7342      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7343      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7344      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7345      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7346      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7347      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7348      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7349      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7350      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7351      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7352      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7353      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7354      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7355      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7356      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7357      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7358      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7359      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7360      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7361      custom_element_change.other_action);
7362 }
7363
7364 static void CopyGroupElementPropertiesToEditor(int element)
7365 {
7366   group_element_info = *element_info[element].group;
7367   custom_element = element_info[element];       /* needed for description */
7368 }
7369
7370 static void CopyClassicElementPropertiesToEditor(int element)
7371 {
7372   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7373     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7374       getMoveIntoAcidProperty(&level, element);
7375
7376   if (MAYBE_DONT_COLLIDE_WITH(element))
7377     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7378       getDontCollideWithProperty(&level, element);
7379 }
7380
7381 static void CopyElementPropertiesToEditor(int element)
7382 {
7383   if (IS_CUSTOM_ELEMENT(element))
7384     CopyCustomElementPropertiesToEditor(element);
7385   else if (IS_GROUP_ELEMENT(element))
7386     CopyGroupElementPropertiesToEditor(element);
7387   else
7388     CopyClassicElementPropertiesToEditor(element);
7389 }
7390
7391 static void CopyCustomElementPropertiesToGame(int element)
7392 {
7393   int i;
7394   int access_type_and_layer;
7395
7396   /* mark that this custom element has been modified */
7397   custom_element.modified_settings = TRUE;
7398   level.changed = TRUE;
7399
7400   if (level.use_custom_template)
7401   {
7402     if (Request("Copy and modify level template?", REQ_ASK))
7403     {
7404       level.use_custom_template = FALSE;
7405       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7406                    GDI_CHECKED, FALSE, GDI_END);
7407     }
7408     else
7409     {
7410       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7411
7412       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7413     }
7414   }
7415
7416   element_info[element] = custom_element;
7417   *element_info[element].change = custom_element_change;
7418
7419   /* ---------- element settings: configure (custom elements) ------------- */
7420
7421   /* set accessible property from checkbox and selectbox */
7422   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7423   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7424   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7425   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7426   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7427   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7428   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7429                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7430                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7431   custom_element_properties[access_type_and_layer] =
7432     custom_element_properties[EP_ACCESSIBLE];
7433   custom_element_properties[EP_PROTECTED] =
7434     (custom_element.access_protected != 0 &&
7435      custom_element_properties[EP_ACCESSIBLE]);
7436
7437   /* set walk-to-object property from checkbox and selectbox */
7438   custom_element_properties[EP_DIGGABLE] = FALSE;
7439   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7440   custom_element_properties[EP_DROPPABLE] = FALSE;
7441   custom_element_properties[EP_THROWABLE] = FALSE;
7442   custom_element_properties[EP_PUSHABLE] = FALSE;
7443   custom_element_properties[custom_element.walk_to_action] =
7444     custom_element_properties[EP_WALK_TO_OBJECT];
7445
7446   /* set smash property from checkbox and selectbox */
7447   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7448   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7449   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7450   custom_element_properties[custom_element.smash_targets] =
7451     custom_element_properties[EP_CAN_SMASH];
7452
7453   /* set deadliness property from checkbox and selectbox */
7454   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7455   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7456   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7457   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7458   custom_element_properties[custom_element.deadliness] =
7459     custom_element_properties[EP_DEADLY];
7460
7461   /* ---------- element settings: advanced (custom elements) --------------- */
7462
7463   /* set player change event from checkbox and selectbox */
7464   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7465   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7466   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7467   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7468   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7469   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7470   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7471   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7472   custom_element_change_events[CE_SWITCHED] = FALSE;
7473   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7474   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7475   custom_element_change_events[CE_BLOCKED] = FALSE;
7476   custom_element_change_events[CE_IMPACT] = FALSE;
7477   custom_element_change_events[CE_SMASHED] = FALSE;
7478   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7479   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7480   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7481   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7482   custom_element_change_events[custom_element_change.direct_action] =
7483     custom_element_change_events[CE_BY_DIRECT_ACTION];
7484
7485   /* set other element action change event from checkbox and selectbox */
7486   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7487   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7488   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7489   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7490   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7491   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7492   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7493   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7494   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7495   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7496   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7497   custom_element_change_events[CE_HITTING_X] = FALSE;
7498   custom_element_change_events[CE_DIGGING_X] = FALSE;
7499   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7500   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7501   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7502   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7503   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7504   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7505   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7506   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7507   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7508   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7509   custom_element_change_events[custom_element_change.other_action] =
7510     custom_element_change_events[CE_BY_OTHER_ACTION];
7511
7512   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7513     SET_PROPERTY(element, i, custom_element_properties[i]);
7514
7515   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7516     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7517
7518   /* copy change events also to special level editor variable */
7519   custom_element = element_info[element];
7520   custom_element_change = *element_info[element].change;
7521 }
7522
7523 static void CopyGroupElementPropertiesToGame(int element)
7524 {
7525   element_info[element] = custom_element;
7526   *element_info[element].group = group_element_info;
7527
7528   /* mark that this group element has been modified */
7529   element_info[element].modified_settings = TRUE;
7530   level.changed = TRUE;
7531 }
7532
7533 static void CopyClassicElementPropertiesToGame(int element)
7534 {
7535   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7536     setMoveIntoAcidProperty(&level, element,
7537                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7538
7539   if (MAYBE_DONT_COLLIDE_WITH(element))
7540     setDontCollideWithProperty(&level, element,
7541                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7542 }
7543
7544 static void CopyElementPropertiesToGame(int element)
7545 {
7546   if (IS_CUSTOM_ELEMENT(element))
7547     CopyCustomElementPropertiesToGame(element);
7548   else if (IS_GROUP_ELEMENT(element))
7549     CopyGroupElementPropertiesToGame(element);
7550   else
7551     CopyClassicElementPropertiesToGame(element);
7552 }
7553
7554 void CheckElementDescriptions()
7555 {
7556   int i;
7557
7558   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7559     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7560       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7561 }
7562
7563 static int getMaxEdFieldX(boolean has_scrollbar)
7564 {
7565   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
7566   int sxsize = SXSIZE - scrollbar_width;
7567   int max_ed_fieldx = sxsize / ed_tilesize;
7568
7569   return max_ed_fieldx;
7570 }
7571
7572 static int getMaxEdFieldY(boolean has_scrollbar)
7573 {
7574   int infotext_height = INFOTEXT_YSIZE_FULL;
7575   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
7576   int sysize = SYSIZE - scrollbar_height - infotext_height;
7577   int max_ed_fieldy = sysize / ed_tilesize;
7578
7579   return max_ed_fieldy;
7580 }
7581
7582 void InitZoomLevelSettings()
7583 {
7584   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
7585   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
7586 }
7587
7588 static boolean playfield_area_changed = FALSE;
7589
7590 void DrawLevelEd()
7591 {
7592   StopAnimation();
7593
7594   CloseDoor(DOOR_CLOSE_ALL);
7595
7596   FadeOut(REDRAW_FIELD);
7597
7598   /* needed after playing if editor playfield area has different size */
7599   ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
7600
7601   /* needed if different viewport properties defined for editor */
7602   ChangeViewportPropertiesIfNeeded();
7603
7604   InitZoomLevelSettings();
7605
7606   playfield_area_changed = DrawingAreaChanged();
7607
7608   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
7609
7610 #if DEBUG
7611   CheckElementDescriptions();
7612 #endif
7613
7614   if (level_editor_test_game)
7615   {
7616     CopyPlayfield(level.field, Feld);
7617     CopyPlayfield(FieldBackup, level.field);
7618
7619     level_editor_test_game = FALSE;
7620   }
7621   else
7622   {
7623     edit_mode = ED_MODE_DRAWING;
7624     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7625     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7626
7627     ResetUndoBuffer();
7628
7629     level_xpos = -1;
7630     level_ypos = -1;
7631   }
7632
7633   /* needed for gadgets drawn on background (like palette scrollbar) */
7634   SetDoorBackgroundImage(IMG_UNDEFINED);
7635
7636   /* copy default editor door content to main double buffer */
7637   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
7638              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
7639              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
7640              DXSIZE, DYSIZE, DX, DY);
7641
7642   /* draw bigger door */
7643   DrawSpecialEditorDoor();
7644
7645   /* draw new control window */
7646   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
7647              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
7648              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
7649              EXSIZE, EYSIZE, EX, EY);
7650
7651   // redraw_mask |= REDRAW_ALL;
7652
7653   FreeLevelEditorGadgets();
7654   CreateLevelEditorGadgets();
7655
7656   ReinitializeElementList();            /* update dynamic level element list */
7657   ReinitializeElementListButtons();     /* custom element may look different */
7658
7659   InitElementPropertiesGfxElement();
7660
7661   UnmapAllGadgets();
7662   MapControlButtons();
7663
7664   DrawEditModeWindow();
7665
7666   FadeIn(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
7667
7668   /* copy actual editor door content to door double buffer for OpenDoor() */
7669   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
7670 }
7671
7672 static void AdjustDrawingAreaGadgets()
7673 {
7674   int ed_xsize = lev_fieldx + 2;
7675   int ed_ysize = lev_fieldy + 2;
7676   int max_ed_fieldx = MAX_ED_FIELDX;
7677   int max_ed_fieldy = MAX_ED_FIELDY;
7678   boolean horizontal_scrollbar_needed;
7679   boolean vertical_scrollbar_needed;
7680   int x, y, width, height;
7681
7682   /* check if we need any scrollbars */
7683   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7684   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7685
7686   /* check if we have a smaller editor field because of scrollbars */
7687   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7688   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7689
7690   /* check again if we now need more scrollbars because of less space */
7691   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7692   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7693
7694   /* check if editor field gets even smaller after adding new scrollbars */
7695   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7696   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7697
7698   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
7699   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
7700
7701   x = SX + ed_fieldx * ed_tilesize;
7702   y = SY + ed_fieldy * ed_tilesize;
7703
7704   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
7705   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
7706
7707   /* adjust drawing area gadget */
7708   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7709                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7710                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
7711                GDI_END);
7712
7713   /* adjust horizontal scrollbar gadgets */
7714   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
7715                GDI_Y, y,
7716                GDI_END);
7717   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
7718                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
7719                GDI_Y, y,
7720                GDI_END);
7721   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7722                GDI_Y, y,
7723                GDI_WIDTH, width,
7724                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7725                GDI_END);
7726
7727   /* adjust vertical scrollbar gadgets */
7728   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
7729                GDI_X, x,
7730                GDI_END);
7731   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
7732                GDI_X, x,
7733                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
7734                GDI_END);
7735   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7736                GDI_X, x,
7737                GDI_HEIGHT, height,
7738                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7739                GDI_END);
7740 }
7741
7742 static void AdjustLevelScrollPosition()
7743 {
7744   if (level_xpos < -1)
7745     level_xpos = -1;
7746   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7747     level_xpos = lev_fieldx - ed_fieldx + 1;
7748   if (lev_fieldx < ed_fieldx - 2)
7749     level_xpos = -1;
7750
7751   if (level_ypos < -1)
7752     level_ypos = -1;
7753   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7754     level_ypos = lev_fieldy - ed_fieldy + 1;
7755   if (lev_fieldy < ed_fieldy - 2)
7756     level_ypos = -1;
7757 }
7758
7759 static void AdjustEditorScrollbar(int id)
7760 {
7761   struct GadgetInfo *gi = level_editor_gadget[id];
7762   int items_max, items_visible, item_position;
7763
7764   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7765   {
7766     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7767     items_visible = ed_fieldx;
7768     item_position = level_xpos + 1;
7769   }
7770   else
7771   {
7772     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7773     items_visible = ed_fieldy;
7774     item_position = level_ypos + 1;
7775   }
7776
7777   if (item_position > items_max - items_visible)
7778     item_position = items_max - items_visible;
7779
7780   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7781                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7782 }
7783
7784 static void AdjustElementListScrollbar()
7785 {
7786   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7787   int items_max, items_visible, item_position;
7788
7789   /* correct position of element list scrollbar */
7790   if (element_shift < 0)
7791     element_shift = 0;
7792   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7793     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7794
7795   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7796   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7797   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7798
7799   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7800                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7801                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7802 }
7803
7804 static void ModifyEditorCounterValue(int counter_id, int new_value)
7805 {
7806   int *counter_value = counterbutton_info[counter_id].value;
7807   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7808   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7809
7810   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7811
7812   if (counter_value != NULL)
7813     *counter_value = gi->textinput.number_value;
7814 }
7815
7816 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7817 {
7818   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7819   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7820
7821   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7822
7823   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7824       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7825   {
7826     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7827     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7828
7829     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7830     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_DISTANCE,GDI_END);
7831   }
7832 }
7833
7834 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7835 {
7836   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7837   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7838   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7839
7840   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7841 }
7842
7843 static void ModifyEditorSelectboxOptions(int selectbox_id,
7844                                          struct ValueTextInfo *options)
7845 {
7846   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7847   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7848
7849   selectbox_info[selectbox_id].options = options;
7850
7851   /* set index to zero -- list may be shorter now (correct later, if needed) */
7852   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7853                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7854 }
7855
7856 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7857 {
7858   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7859   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7860
7861   drawingarea_info[drawingarea_id].area_xsize = xsize;
7862   drawingarea_info[drawingarea_id].area_ysize = ysize;
7863
7864   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7865 }
7866
7867 static void ModifyEditorElementList()
7868 {
7869   int i;
7870
7871   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7872   {
7873     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7874     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7875     struct GadgetDesign *gd = &gi->deco.design;
7876     int element = editor_elements[element_shift + i];
7877
7878     UnmapGadget(gi);
7879
7880     getElementListGraphicSource(element, &gd->bitmap, &gd->x, &gd->y);
7881
7882     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7883
7884     MapGadget(gi);
7885   }
7886 }
7887
7888 static void DrawDrawingElement(int element, struct EditorPaletteElementInfo *e)
7889 {
7890   int graphic = el2edimg(element);
7891   int tile_size = (e->tile_size >= TILESIZE ? TILESIZE : MINI_TILESIZE);
7892
7893   DrawSizedGraphicExt(drawto, DX + e->x, DY + e->y, graphic, 0, tile_size);
7894 }
7895
7896 static void PickDrawingElement(int button, int element)
7897 {
7898   struct
7899   {
7900     int *new_element;
7901     struct EditorPaletteElementInfo *e;
7902   } de, drawing_elements[] =
7903   {
7904     { &new_element1,    &editor.palette.element_left    },
7905     { &new_element2,    &editor.palette.element_middle  },
7906     { &new_element3,    &editor.palette.element_right   },
7907   };
7908
7909   if (button < 1 || button > 3)
7910     return;
7911
7912   de = drawing_elements[button - 1];
7913
7914   DrawDrawingElement((*de.new_element = element), de.e);
7915
7916   redraw_mask |= REDRAW_DOOR_1;
7917 }
7918
7919 static void RedrawDrawingElements()
7920 {
7921   PickDrawingElement(1, new_element1);
7922   PickDrawingElement(2, new_element2);
7923   PickDrawingElement(3, new_element3);
7924 }
7925
7926 static void DrawDrawingWindow()
7927 {
7928   stick_element_properties_window = FALSE;
7929
7930   SetMainBackgroundImage(IMG_UNDEFINED);
7931   ClearField();
7932
7933   UnmapLevelEditorFieldGadgets();
7934   UnmapLevelEditorToolboxCustomGadgets();
7935
7936   AdjustDrawingAreaGadgets();
7937   AdjustLevelScrollPosition();
7938   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7939   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7940
7941   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7942
7943   MapMainDrawingArea();
7944   MapLevelEditorToolboxDrawingGadgets();
7945 }
7946
7947 static int getTabulatorBarWidth()
7948 {
7949   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7950   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7951
7952   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
7953 }
7954
7955 static int getTabulatorBarHeight()
7956 {
7957   return ED_TAB_BAR_HEIGHT;
7958 }
7959
7960 static void DrawLevelInfoTabulatorGadgets()
7961 {
7962   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
7963   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7964   int gd_x = gd->x + gd_gi1->border.width / 2;
7965   int gd_y = gd->y + gd_gi1->height - 1;
7966   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7967   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
7968   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
7969   int i;
7970
7971   for (i = id_first; i <= id_last; i++)
7972   {
7973     int gadget_id = textbutton_info[i].gadget_id;
7974     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7975     boolean active = (i != edit_mode_levelinfo);
7976
7977     /* draw background line below tabulator button */
7978     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7979
7980     /* draw solid line below inactive tabulator buttons */
7981     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7982       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7983
7984     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7985     MapTextbuttonGadget(i);
7986   }
7987
7988   /* draw little border line below tabulator buttons */
7989   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7990     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7991                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
7992 }
7993
7994 static void DrawPropertiesTabulatorGadgets()
7995 {
7996   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7997   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7998   int gd_x = gd->x + gd_gi1->border.width / 2;
7999   int gd_y = gd->y + gd_gi1->height - 1;
8000   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8001   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8002   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8003   int i;
8004
8005   /* draw two config tabulators for player elements */
8006   if (ELEM_IS_PLAYER(properties_element))
8007     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8008
8009   /* draw two config and one "change" tabulator for custom elements */
8010   if (IS_CUSTOM_ELEMENT(properties_element))
8011     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8012
8013   for (i = id_first; i <= id_last; i++)
8014   {
8015     int gadget_id = textbutton_info[i].gadget_id;
8016     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8017     boolean active = (i != edit_mode_properties);
8018
8019     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8020     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8021         (ELEM_IS_PLAYER(properties_element) ||
8022          IS_CUSTOM_ELEMENT(properties_element)))
8023       continue;
8024
8025     /* draw background line below tabulator button */
8026     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8027
8028     /* draw solid line below inactive tabulator buttons */
8029     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8030       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
8031
8032     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8033     MapTextbuttonGadget(i);
8034   }
8035
8036   /* draw little border line below tabulator buttons */
8037   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8038     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
8039                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8040 }
8041
8042 static void DrawLevelInfoLevel()
8043 {
8044   int i;
8045
8046   /* draw counter gadgets */
8047   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8048     MapCounterButtons(i);
8049
8050   /* draw selectbox gadgets */
8051   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8052     MapSelectboxGadget(i);
8053
8054   /* draw text input gadgets */
8055   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8056     MapTextInputGadget(i);
8057 }
8058
8059 static void DrawLevelInfoEditor()
8060 {
8061   int i;
8062
8063   /* draw counter gadgets */
8064   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8065     MapCounterButtons(i);
8066
8067   /* draw checkbutton gadgets */
8068   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8069     MapCheckbuttonGadget(i);
8070
8071   /* draw radiobutton gadgets */
8072   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
8073     MapRadiobuttonGadget(i);
8074
8075   /* draw drawing area */
8076   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
8077 }
8078
8079 static void DrawLevelInfoWindow()
8080 {
8081   stick_element_properties_window = FALSE;
8082
8083   UnmapLevelEditorFieldGadgets();
8084
8085   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8086   ClearField();
8087
8088   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Global Settings");
8089
8090   DrawLevelInfoTabulatorGadgets();
8091
8092   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
8093     DrawLevelInfoLevel();
8094   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
8095     DrawLevelInfoEditor();
8096 }
8097
8098 static void DrawCustomContentArea()
8099 {
8100   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
8101   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8102   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
8103   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
8104   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
8105   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
8106
8107   /* add distance for potential left text (without drawing area border) */
8108   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
8109
8110   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8111
8112   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
8113 }
8114
8115 static void DrawCustomChangeContentArea()
8116 {
8117   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
8118   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8119   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
8120   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
8121   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
8122   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
8123
8124   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8125
8126   MapDrawingArea(id);
8127 }
8128
8129 static void DrawYamYamContentAreas()
8130 {
8131   int font_nr = FONT_TEXT_1;
8132   int font_height = getFontHeight(font_nr);
8133   int yoffset = font_height + ED_GADGET_DISTANCE;
8134   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * MINI_TILEX;
8135   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(0) + ED_BORDER_AREA_YSIZE;
8136   int i;
8137
8138   /* display counter to choose number of element content areas */
8139   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8140
8141   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8142   {
8143     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8144
8145     if (i < level.num_yamyam_contents)
8146     {
8147       MapDrawingArea(id);
8148     }
8149     else
8150     {
8151       int font_height = getFontHeight(FONT_TEXT_1);
8152
8153       UnmapDrawingArea(id);
8154
8155       /* delete content areas in case of reducing number of them */
8156       DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id])
8157                      - MINI_TILEX / 2,
8158                      SY + ED_AREA_SETTINGS_Y(drawingarea_info[id])
8159                      - MINI_TILEY / 2,
8160                      4 * MINI_TILEX,
8161                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
8162     }
8163   }
8164
8165   DrawText(x, y + 0 * yoffset, "content", font_nr);
8166   DrawText(x, y + 1 * yoffset, "when",    font_nr);
8167   DrawText(x, y + 2 * yoffset, "smashed", font_nr);
8168 }
8169
8170 static void DrawMagicBallContentAreas()
8171 {
8172   int font_nr = FONT_TEXT_1;
8173   int font_height = getFontHeight(font_nr);
8174   int yoffset = font_height + ED_GADGET_DISTANCE;
8175   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * MINI_TILEX;
8176   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(0) + ED_BORDER_AREA_YSIZE;
8177   int i;
8178
8179   /* display counter to choose number of element content areas */
8180   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8181
8182   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8183   {
8184     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8185
8186     if (i < level.num_ball_contents)
8187     {
8188       MapDrawingArea(id);
8189     }
8190     else
8191     {
8192       int font_height = getFontHeight(FONT_TEXT_1);
8193
8194       UnmapDrawingArea(id);
8195
8196       /* delete content areas in case of reducing number of them */
8197       DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id])
8198                      - MINI_TILEX / 2,
8199                      SY + ED_AREA_SETTINGS_Y(drawingarea_info[id])
8200                      - MINI_TILEY / 2,
8201                      4 * MINI_TILEX,
8202                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
8203     }
8204   }
8205
8206   DrawText(x, y + 0 * yoffset, "generated", font_nr);
8207   DrawText(x, y + 1 * yoffset, "when",      font_nr);
8208   DrawText(x, y + 2 * yoffset, "active",    font_nr);
8209 }
8210
8211 static void DrawAndroidElementArea(int element)
8212 {
8213   int num_elements = level.num_android_clone_elements;
8214   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8215   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - MINI_TILEX / 2;
8216   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - MINI_TILEY / 2;
8217   int xsize = MAX_ANDROID_ELEMENTS;
8218   int ysize = 1;
8219
8220   /* display counter to choose number of element areas */
8221   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8222
8223   if (drawingarea_info[id].text_left != NULL)
8224     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8225
8226   UnmapDrawingArea(id);
8227
8228   ModifyEditorDrawingArea(id, num_elements, 1);
8229
8230   /* delete content areas in case of reducing number of them */
8231   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8232
8233   MapDrawingArea(id);
8234 }
8235
8236 static void DrawGroupElementArea(int element)
8237 {
8238   int num_elements = group_element_info.num_elements;
8239   int id = ED_DRAWING_ID_GROUP_CONTENT;
8240   int border_size = graphic_info[IMG_EDITOR_ELEMENT_BORDER_INPUT].border_size;
8241   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8242   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8243   int xsize = MAX_ELEMENTS_IN_GROUP;
8244   int ysize = 1;
8245
8246   if (drawingarea_info[id].text_left != NULL)
8247     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8248
8249   UnmapDrawingArea(id);
8250
8251   ModifyEditorDrawingArea(id, num_elements, 1);
8252
8253   /* delete content areas in case of reducing number of them */
8254   DrawBackground(sx, sy,
8255                  xsize * MINI_TILEX + 2 * border_size,
8256                  ysize * MINI_TILEY + 2 * border_size);
8257
8258   MapDrawingArea(id);
8259 }
8260
8261 static void DrawPlayerInitialInventoryArea(int element)
8262 {
8263   int player_nr = GET_PLAYER_NR(element);
8264   int num_elements = level.initial_inventory_size[player_nr];
8265   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8266   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - MINI_TILEX / 2;
8267   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - MINI_TILEY / 2;
8268   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8269   int ysize = 1;
8270
8271   /* determine horizontal position to the right of specified gadget */
8272   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8273     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8274           ED_DRAWINGAREA_TEXT_DISTANCE);
8275
8276   /* determine horizontal offset for leading text */
8277   if (drawingarea_info[id].text_left != NULL)
8278     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8279
8280   UnmapDrawingArea(id);
8281
8282   ModifyEditorDrawingArea(id, num_elements, 1);
8283
8284   /* delete content areas in case of reducing number of them */
8285   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8286
8287   MapDrawingArea(id);
8288 }
8289
8290 static void DrawEnvelopeTextArea(int envelope_nr)
8291 {
8292   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8293   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8294
8295   UnmapGadget(gi);
8296   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8297
8298   if (envelope_nr != -1)
8299     textarea_info[id].value = level.envelope[envelope_nr].text;
8300
8301   ModifyGadget(gi, GDI_AREA_SIZE,
8302                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8303                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8304                GDI_END);
8305
8306   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8307 }
8308
8309 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8310 {
8311   int font_height = getFontHeight(font_nr);
8312   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8313   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_BORDER_SIZE;
8314   int sx = SX + pad_x;
8315   int sy = SY + pad_y;
8316   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8317
8318   if (start_line >= max_lines_per_screen)
8319     return FALSE;
8320
8321   DrawText(sx, sy + start_line * font_height, text, font_nr);
8322
8323   return TRUE;
8324 }
8325
8326 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8327 {
8328   int font_nr = FONT_TEXT_2;
8329   int font_width = getFontWidth(font_nr);
8330   int font_height = getFontHeight(font_nr);
8331   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8332   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_BORDER_SIZE;
8333   int sx = SX + pad_x;
8334   int sy = SY + pad_y + start_line * font_height;
8335   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8336   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8337   int max_lines_drawable = max_lines_per_screen - start_line;
8338
8339   if (start_line >= max_lines_per_screen)
8340     return FALSE;
8341
8342   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8343                       max_lines_drawable, 0, -1, TRUE, FALSE, FALSE);
8344 }
8345
8346 static void DrawPropertiesInfo()
8347 {
8348   static struct
8349   {
8350     int value;
8351     char *text;
8352   }
8353   properties[] =
8354   {
8355     /* configurable properties */
8356
8357     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8358     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8359     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8360     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8361     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8362     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8363     { EP_PROTECTED,             "- player is protected by it"           },
8364
8365     { EP_DIGGABLE,              "- can be digged away"                  },
8366     { EP_COLLECTIBLE,           "- can be collected"                    },
8367     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8368     { EP_THROWABLE,             "- can be thrown after collecting"      },
8369     { EP_PUSHABLE,              "- can be pushed"                       },
8370
8371     { EP_CAN_FALL,              "- can fall"                            },
8372     { EP_CAN_MOVE,              "- can move"                            },
8373
8374     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8375 #if 0
8376     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8377 #endif
8378     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8379
8380     { EP_SLIPPERY,              "- slippery for falling elements"       },
8381     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8382
8383     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8384     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8385     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8386     { EP_DONT_TOUCH,            "- deadly when touching"                },
8387
8388     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8389
8390     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8391     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8392     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8393
8394     { EP_CAN_CHANGE,            "- can change to other element"         },
8395
8396     /* pre-defined properties */
8397     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8398     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8399     { EP_SWITCHABLE,            "- can be switched"                     },
8400 #if 0
8401     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8402 #endif
8403
8404     { -1,                       NULL                                    }
8405   };
8406   char *filename = getElementDescriptionFilename(properties_element);
8407   char *percentage_text = "In this level: ";
8408   char *properties_text = "Standard properties: ";
8409   float percentage;
8410   int num_elements_in_level;
8411   int num_standard_properties = 0;
8412   int font1_nr = FONT_TEXT_1;
8413   int font2_nr = FONT_TEXT_2;
8414   int font1_width = getFontWidth(font1_nr);
8415   int font2_height = getFontHeight(font2_nr);
8416   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8417   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_BORDER_SIZE;
8418   int screen_line = 0;
8419   int i, x, y;
8420
8421   if (setup.editor.show_element_token)
8422   {
8423     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8424               "[%s]", element_info[properties_element].token_name);
8425     screen_line++;
8426   }
8427
8428   /* ----- print number of elements / percentage of this element in level */
8429
8430   num_elements_in_level = 0;
8431   for (y = 0; y < lev_fieldy; y++)
8432     for (x = 0; x < lev_fieldx; x++)
8433       if (Feld[x][y] == properties_element)
8434         num_elements_in_level++;
8435   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8436
8437   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8438             percentage_text);
8439   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8440             pad_y + screen_line++ * font2_height, font2_nr,
8441             "%d (%.2f%%)", num_elements_in_level, percentage);
8442
8443   screen_line++;
8444
8445   /* ----- print standard properties of this element */
8446
8447   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8448             properties_text);
8449
8450   for (i = 0; properties[i].value != -1; i++)
8451   {
8452     if (!HAS_PROPERTY(properties_element, properties[i].value))
8453       continue;
8454
8455     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8456               properties[i].text);
8457     num_standard_properties++;
8458   }
8459
8460   if (num_standard_properties == 0)
8461     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8462               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8463
8464   screen_line++;
8465
8466   /* ----- print special description of this element */
8467
8468   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8469   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8470     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8471 }
8472
8473 #define TEXT_COLLECTING         "Score for collecting"
8474 #define TEXT_SMASHING           "Score for smashing"
8475 #define TEXT_SLURPING           "Score for slurping robot"
8476 #define TEXT_CRACKING           "Score for cracking"
8477 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8478 #define TEXT_DURATION           "Duration when activated"
8479 #define TEXT_BALL_DELAY         "Element generation delay"
8480 #define TEXT_MOVE_SPEED         "Speed of android moving"
8481 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8482 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8483 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8484 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8485 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8486 #define TEXT_TIME_BONUS         "Extra time to solve level"
8487
8488 static struct
8489 {
8490   int element;
8491   int *value;
8492   char *text;
8493 } elements_with_counter[] =
8494 {
8495   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8496   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8497   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8498   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8499   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8500   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8501   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8502   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8503   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8504   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8505   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8506   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8507   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8508   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8509   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8510   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8511   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8512   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8513   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8514   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8515   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8516   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8517   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8518   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8519   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8520   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8521   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8522   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8523   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8524   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8525   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8526   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8527   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8528   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8529   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8530   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8531   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8532   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8533   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8534   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8535   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8536   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8537   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8538   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8539   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8540   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8541   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8542   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8543   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8544   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8545   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8546   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8547   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8548   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8549   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8550   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8551   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8552   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8553   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8554   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8555   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8556   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8557   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8558   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8559   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8560   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8561   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8562   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8563   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8564   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8565   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8566   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8567   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8568   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8569
8570   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8571   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8572   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8573   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8574   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8575   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8576   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8577   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8578   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8579   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8580   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8581   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8582   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8583   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8584   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8585   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8586
8587   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8588   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8589   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8590   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8591   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8592   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8593   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8594   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8595
8596   { -1,                 NULL,                           NULL            }
8597 };
8598
8599 static boolean checkPropertiesConfig(int element)
8600 {
8601   int i;
8602
8603   if (IS_GEM(element) ||
8604       IS_CUSTOM_ELEMENT(element) ||
8605       IS_GROUP_ELEMENT(element) ||
8606       IS_ENVELOPE(element) ||
8607       ELEM_IS_PLAYER(element) ||
8608       HAS_EDITOR_CONTENT(element) ||
8609       CAN_GROW(element) ||
8610       COULD_MOVE_INTO_ACID(element) ||
8611       MAYBE_DONT_COLLIDE_WITH(element) ||
8612       element == EL_SOKOBAN_OBJECT ||
8613       element == EL_SOKOBAN_FIELD_EMPTY ||
8614       element == EL_SOKOBAN_FIELD_FULL)
8615     return TRUE;
8616   else
8617     for (i = 0; elements_with_counter[i].element != -1; i++)
8618       if (elements_with_counter[i].element == element)
8619         return TRUE;
8620
8621   return FALSE;
8622 }
8623
8624 static void DrawPropertiesConfig()
8625 {
8626   boolean draw_footer_line = FALSE;
8627   int max_num_element_counters = 4;
8628   int num_element_counters = 0;
8629   int i;
8630
8631   if (!checkPropertiesConfig(properties_element))
8632   {
8633     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8634
8635     return;
8636   }
8637
8638   /* check if there are elements where a value can be chosen for */
8639   for (i = 0; elements_with_counter[i].element != -1; i++)
8640   {
8641     if (elements_with_counter[i].element == properties_element)
8642     {
8643       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8644
8645       counterbutton_info[counter_id].y =
8646         ED_ELEMENT_SETTINGS_YPOS(
8647                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8648                 (CAN_GROW(properties_element)                ? 1 : 0) +
8649                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8650                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8651                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8652                 num_element_counters);
8653
8654       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8655       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8656
8657       if (properties_element == EL_GAME_OF_LIFE ||
8658           properties_element == EL_BIOMAZE)
8659       {
8660         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8661         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8662       }
8663       else
8664       {
8665         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8666         counterbutton_info[counter_id].min_value = MIN_SCORE;
8667         counterbutton_info[counter_id].max_value = MAX_SCORE;
8668       }
8669
8670       MapCounterButtons(counter_id);
8671
8672       num_element_counters++;
8673       if (num_element_counters >= max_num_element_counters)
8674         break;
8675     }
8676   }
8677
8678   if (HAS_EDITOR_CONTENT(properties_element))
8679   {
8680     /* draw stickybutton gadget */
8681     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8682
8683     if (IS_AMOEBOID(properties_element))
8684       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8685     else if (properties_element == EL_YAMYAM ||
8686              properties_element == EL_YAMYAM_LEFT ||
8687              properties_element == EL_YAMYAM_RIGHT ||
8688              properties_element == EL_YAMYAM_UP ||
8689              properties_element == EL_YAMYAM_DOWN)
8690       DrawYamYamContentAreas();
8691     else if (properties_element == EL_EMC_MAGIC_BALL)
8692     {
8693       DrawMagicBallContentAreas();
8694
8695       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8696       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8697     }
8698     else if (properties_element == EL_EMC_ANDROID)
8699       DrawAndroidElementArea(properties_element);
8700   }
8701
8702   if (ELEM_IS_PLAYER(properties_element))
8703   {
8704     int player_nr = GET_PLAYER_NR(properties_element);
8705
8706     /* these properties can be set for every player individually */
8707
8708     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8709     {
8710       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8711         &level.start_element[player_nr];
8712       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8713         &level.artwork_element[player_nr];
8714       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8715         &level.explosion_element[player_nr];
8716
8717       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8718         &level.use_start_element[player_nr];
8719       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8720         &level.use_artwork_element[player_nr];
8721       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8722         &level.use_explosion_element[player_nr];
8723       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8724         &level.initial_player_gravity[player_nr];
8725
8726       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8727         &level.initial_player_stepsize[player_nr];
8728
8729       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8730       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8731                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8732                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8733       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8734       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8735       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8736       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8737       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8738       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8739       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8740       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8741       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8742
8743       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8744       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8745       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8746
8747       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8748     }
8749     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8750     {
8751       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8752         &level.initial_inventory_content[player_nr][0];
8753
8754       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8755         &level.initial_inventory_size[player_nr];
8756
8757       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8758         &level.use_initial_inventory[player_nr];
8759
8760       /* draw checkbutton gadgets */
8761       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8762
8763       /* draw counter gadgets */
8764       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8765
8766       /* draw drawing area gadgets */
8767       DrawPlayerInitialInventoryArea(properties_element);
8768     }
8769   }
8770
8771   if (IS_GEM(properties_element))
8772     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8773
8774   if (properties_element == EL_EM_DYNAMITE)
8775     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8776
8777   if (COULD_MOVE_INTO_ACID(properties_element) &&
8778       !ELEM_IS_PLAYER(properties_element) &&
8779       (!IS_CUSTOM_ELEMENT(properties_element) ||
8780        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8781   {
8782     /* set position for checkbutton for "can move into acid" */
8783     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8784       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8785     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8786       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8787                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8788
8789     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8790   }
8791
8792   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8793     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8794
8795   if (properties_element == EL_SPRING)
8796     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8797
8798   if (properties_element == EL_TIME_ORB_FULL)
8799     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8800
8801   if (CAN_GROW(properties_element))
8802   {
8803     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8804       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8805
8806     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8807   }
8808
8809   if (properties_element == EL_SOKOBAN_OBJECT ||
8810       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
8811       properties_element == EL_SOKOBAN_FIELD_FULL)
8812     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
8813
8814   if (IS_ENVELOPE(properties_element))
8815   {
8816     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8817     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8818     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8819     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8820     int envelope_nr = properties_element - EL_ENVELOPE_1;
8821
8822     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8823     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8824
8825     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8826     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8827
8828     /* display counter to choose size of envelope text area */
8829     MapCounterButtons(counter1_id);
8830     MapCounterButtons(counter2_id);
8831
8832     /* display checkbuttons to choose auto-wrap and alignment properties */
8833     MapCheckbuttonGadget(button1_id);
8834     MapCheckbuttonGadget(button2_id);
8835
8836     DrawEnvelopeTextArea(envelope_nr);
8837   }
8838
8839   if (IS_CUSTOM_ELEMENT(properties_element))
8840   {
8841     /* draw stickybutton gadget */
8842     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8843
8844     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8845     {
8846       /* draw checkbutton gadgets */
8847       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8848            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8849         MapCheckbuttonGadget(i);
8850
8851       /* draw counter gadgets */
8852       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8853            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8854         MapCounterButtons(i);
8855
8856       /* draw selectbox gadgets */
8857       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8858            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8859         MapSelectboxGadget(i);
8860
8861       /* draw textbutton gadgets */
8862       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8863
8864       /* draw text input gadgets */
8865       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8866
8867       /* draw drawing area gadgets */
8868       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8869
8870       draw_footer_line = TRUE;
8871     }
8872     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8873     {
8874       /* draw checkbutton gadgets */
8875       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8876            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8877         MapCheckbuttonGadget(i);
8878
8879       /* draw counter gadgets */
8880       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8881            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8882         MapCounterButtons(i);
8883
8884       /* draw selectbox gadgets */
8885       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8886            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8887         MapSelectboxGadget(i);
8888
8889       /* draw drawing area gadgets */
8890       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8891       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8892       DrawCustomContentArea();
8893     }
8894   }
8895   else if (IS_GROUP_ELEMENT(properties_element))
8896   {
8897     /* draw stickybutton gadget */
8898     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8899
8900     /* draw checkbutton gadgets */
8901     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8902     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8903
8904     /* draw counter gadgets */
8905     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8906
8907     /* draw selectbox gadgets */
8908     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8909
8910     /* draw textbutton gadgets */
8911     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8912
8913     /* draw drawing area gadgets */
8914     DrawGroupElementArea(properties_element);
8915
8916     /* draw text input gadgets */
8917     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8918
8919     /* draw drawing area gadgets */
8920     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8921
8922     draw_footer_line = TRUE;
8923   }
8924
8925   /* draw little footer border line above CE/GE use/save template gadgets */
8926   if (draw_footer_line)
8927   {
8928     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8929     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8930     int gd_x = gd->x + gd_gi1->border.width / 2;
8931     int gd_y = gd->y + gd_gi1->height - 1;
8932     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8933
8934     if (tab_color != BLACK_PIXEL)               /* black => transparent */
8935       FillRectangle(drawto,
8936                     SX + ED_ELEMENT_SETTINGS_X(0),
8937                     SY + ED_ELEMENT_SETTINGS_Y(14) - MINI_TILEY / 2,
8938                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8939   }
8940 }
8941
8942 static void DrawPropertiesChangeDrawingAreas()
8943 {
8944   if (IS_CUSTOM_ELEMENT(properties_element))
8945   {
8946     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8947     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8948     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8949
8950     DrawCustomChangeContentArea();
8951   }
8952
8953   redraw_mask |= REDRAW_FIELD;
8954 }
8955
8956 static void DrawPropertiesChange()
8957 {
8958   int i;
8959
8960   /* needed to initially set selectbox options for special action options */
8961   setSelectboxSpecialActionOptions();
8962
8963   /* draw stickybutton gadget */
8964   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8965
8966   /* draw checkbutton gadgets */
8967   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
8968        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
8969     MapCheckbuttonGadget(i);
8970
8971   /* draw counter gadgets */
8972   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
8973        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
8974     MapCounterButtons(i);
8975
8976   /* draw selectbox gadgets */
8977   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
8978        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
8979     MapSelectboxGadget(i);
8980
8981   /* draw textbutton gadgets */
8982   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
8983        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
8984     MapTextbuttonGadget(i);
8985
8986   /* draw graphicbutton gadgets */
8987   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
8988        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
8989     MapGraphicbuttonGadget(i);
8990
8991   /* draw drawing area gadgets */
8992   DrawPropertiesChangeDrawingAreas();
8993 }
8994
8995 static void DrawEditorElementAnimation(int x, int y)
8996 {
8997   int graphic = el2img(properties_element);
8998   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
8999                custom_element.ce_value_fixed_initial :
9000                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
9001                custom_element.collect_score_initial : FrameCounter);
9002
9003   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
9004 }
9005
9006 static void DrawEditorElementName(int x, int y, int font_nr)
9007 {
9008   char *element_name = getElementInfoText(properties_element);
9009   int font_width = getFontWidth(font_nr);
9010   int font_height = getFontHeight(font_nr);
9011   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
9012   int max_chars_per_line = max_text_width / font_width;
9013   char buffer[max_chars_per_line + 1];
9014
9015   if (strlen(element_name) <= max_chars_per_line)
9016     DrawTextS(x, y, font_nr, element_name);
9017   else
9018   {
9019     int next_pos = max_chars_per_line;
9020
9021     strncpy(buffer, element_name, max_chars_per_line);
9022     buffer[max_chars_per_line] = '\0';
9023
9024     if (element_name[max_chars_per_line] == ' ')
9025       next_pos++;
9026     else
9027     {
9028       int i;
9029
9030       for (i = max_chars_per_line - 1; i >= 0; i--)
9031         if (buffer[i] == ' ')
9032           break;
9033
9034       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
9035       {
9036         buffer[i] = '\0';
9037         next_pos = i + 1;
9038       }
9039     }
9040
9041     DrawTextS(x, y - font_height / 2, font_nr, buffer);
9042
9043     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
9044     buffer[max_chars_per_line] = '\0';
9045
9046     DrawTextS(x, y + font_height / 2, font_nr, buffer);
9047   }
9048 }
9049
9050 static void DrawPropertiesWindow()
9051 {
9052   stick_element_properties_window = FALSE;
9053
9054   /* make sure that previous properties edit mode exists for this element */
9055   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
9056       !IS_CUSTOM_ELEMENT(properties_element))
9057     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
9058
9059   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
9060       !ELEM_IS_PLAYER(properties_element) &&
9061       !IS_CUSTOM_ELEMENT(properties_element))
9062     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
9063
9064   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
9065       (ELEM_IS_PLAYER(properties_element) ||
9066        IS_CUSTOM_ELEMENT(properties_element)))
9067     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
9068
9069   CopyElementPropertiesToEditor(properties_element);
9070
9071   UnmapLevelEditorFieldGadgets();
9072   UnmapLevelEditorToolboxDrawingGadgets();
9073   UnmapLevelEditorToolboxCustomGadgets();
9074
9075   if (IS_CUSTOM_ELEMENT(properties_element) ||
9076       IS_GROUP_ELEMENT(properties_element))
9077     MapLevelEditorToolboxCustomGadgets();
9078
9079   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9080   ClearField();
9081
9082   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Element Settings");
9083
9084   FrameCounter = 0;     /* restart animation frame counter */
9085
9086   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
9087   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
9088   int border_size = gd->border_size;
9089   int font_nr = FONT_TEXT_1;
9090   int font_height = getFontHeight(font_nr);
9091   int x = ED_ELEMENT_SETTINGS_ELEM_XPOS;
9092   int y = ED_ELEMENT_SETTINGS_ELEM_YPOS;
9093   int xoffset = TILEX + element_border + 3 * border_size;
9094   int yoffset = (TILEY - font_height) / 2;
9095
9096   DrawElementBorder(SX + x, SY + y, TILEX, TILEY, FALSE);
9097   DrawEditorElementAnimation(SX + x, SY + y);
9098   DrawEditorElementName(x + xoffset, y + yoffset, font_nr);
9099
9100   DrawPropertiesTabulatorGadgets();
9101
9102   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
9103     DrawPropertiesInfo();
9104   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
9105     DrawPropertiesChange();
9106   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
9107     DrawPropertiesConfig();
9108 }
9109
9110 static void UpdateCustomElementGraphicGadgets()
9111 {
9112   struct ElementInfo *ei = &element_info[properties_element];
9113   int i;
9114
9115   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
9116                      properties_element);
9117
9118   ModifyEditorElementList();
9119   RedrawDrawingElements();
9120
9121   /* force redraw of all mapped drawing area gadgets */
9122   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
9123   {
9124     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
9125
9126     if (gi->mapped)
9127       MapDrawingArea(i);
9128   }
9129 }
9130
9131 static int getOpenDirectionFromTube(int element)
9132 {
9133   switch (element)
9134   {
9135     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
9136     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
9137     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
9138     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
9139     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
9140     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
9141     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
9142     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
9143     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
9144     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
9145     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
9146   }
9147
9148   return MV_NONE;
9149 }
9150
9151 static int getTubeFromOpenDirection(int direction)
9152 {
9153   switch (direction)
9154   {
9155     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
9156     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
9157     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
9158     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
9159     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
9160     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
9161     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
9162     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
9163     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
9164     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
9165     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
9166
9167     /* if only one direction, fall back to simple tube with that direction */
9168     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
9169     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
9170     case (MV_UP):                       return EL_TUBE_VERTICAL;
9171     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
9172   }
9173
9174   return EL_EMPTY;
9175 }
9176
9177 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
9178 {
9179   int element_new = getTubeFromOpenDirection(direction);
9180
9181   return (element_new != EL_EMPTY ? element_new : element_old);
9182 }
9183
9184 static int getOpenDirectionFromBelt(int element)
9185 {
9186   int belt_dir = getBeltDirFromBeltElement(element);
9187
9188   return (belt_dir == MV_LEFT ? MV_RIGHT :
9189           belt_dir == MV_RIGHT ? MV_LEFT :
9190           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
9191 }
9192
9193 static int getBeltFromNrAndOpenDirection(int nr, int direction)
9194 {
9195   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
9196                   direction == MV_RIGHT ? MV_LEFT :
9197                   direction == MV_HORIZONTAL ? MV_NONE : direction);
9198
9199   if (direction == MV_NONE)
9200     return EL_EMPTY;
9201
9202   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
9203 }
9204
9205 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
9206                                                  int element_old)
9207 {
9208   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
9209
9210   return (element_new != EL_EMPTY ? element_new : element_old);
9211 }
9212
9213 static int getOpenDirectionFromPool(int element)
9214 {
9215   switch (element)
9216   {
9217     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9218     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9219     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9220     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9221     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9222     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9223   }
9224
9225   return MV_NONE;
9226 }
9227
9228 static int getPoolFromOpenDirection(int direction)
9229 {
9230   switch (direction)
9231   {
9232     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9233     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9234     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9235     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9236     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9237     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9238   }
9239
9240   return EL_EMPTY;
9241 }
9242
9243 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9244 {
9245   int element = getPoolFromOpenDirection(direction);
9246   int help_direction = getOpenDirectionFromPool(help_element);
9247
9248   if (element == EL_EMPTY)
9249   {
9250     int help_direction_vertical = help_direction & MV_VERTICAL;
9251
9252     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9253   }
9254
9255   if (element == EL_EMPTY)
9256   {
9257     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9258
9259     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9260   }
9261
9262   return element;
9263 }
9264
9265 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9266 {
9267   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9268
9269   return (element_new != EL_EMPTY ? element_new : element_old);
9270 }
9271
9272 static int getOpenDirectionFromPillar(int element)
9273 {
9274   switch (element)
9275   {
9276     case EL_EMC_WALL_1:                 return (MV_DOWN);
9277     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9278     case EL_EMC_WALL_3:                 return (MV_UP);
9279   }
9280
9281   return MV_NONE;
9282 }
9283
9284 static int getPillarFromOpenDirection(int direction)
9285 {
9286   switch (direction)
9287   {
9288     case (MV_DOWN):                     return EL_EMC_WALL_1;
9289     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
9290     case (MV_UP):                       return EL_EMC_WALL_3;
9291   }
9292
9293   return EL_EMPTY;
9294 }
9295
9296 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
9297 {
9298   int element_new = getPillarFromOpenDirection(direction);
9299
9300   return (element_new != EL_EMPTY ? element_new : element_old);
9301 }
9302
9303 static int getOpenDirectionFromSteel2(int element)
9304 {
9305   switch (element)
9306   {
9307     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9308     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9309     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9310     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9311     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9312     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9313     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9314     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9315   }
9316
9317   return MV_NONE;
9318 }
9319
9320 static int getSteel2FromOpenDirection(int direction)
9321 {
9322   switch (direction)
9323   {
9324     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9325     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9326     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9327     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9328     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9329     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9330     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9331     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9332   }
9333
9334   return EL_EMPTY;
9335 }
9336
9337 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9338 {
9339   int element_new = getSteel2FromOpenDirection(direction);
9340
9341   return (element_new != EL_EMPTY ? element_new : element_old);
9342 }
9343
9344 static int getOpenDirectionFromChip(int element)
9345 {
9346   switch (element)
9347   {
9348     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9349     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9350     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9351     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9352     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9353   }
9354
9355   return MV_NONE;
9356 }
9357
9358 static int getChipFromOpenDirection(int direction)
9359 {
9360   switch (direction)
9361   {
9362     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9363     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9364     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9365     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9366     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9367   }
9368
9369   return EL_EMPTY;
9370 }
9371
9372 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9373 {
9374   int element_new = getChipFromOpenDirection(direction);
9375
9376   return (element_new != EL_EMPTY ? element_new : element_old);
9377 }
9378
9379 static int getClosedTube(int x, int y)
9380 {
9381   static int xy[4][2] =
9382   {
9383     { -1, 0 },
9384     { +1, 0 },
9385     { 0, -1 },
9386     { 0, +1 }
9387   };
9388   int element_old = IntelliDrawBuffer[x][y];
9389   int direction_old = getOpenDirectionFromTube(element_old);
9390   int direction_new = MV_NONE;
9391   int i;
9392
9393   for (i = 0; i < NUM_DIRECTIONS; i++)
9394   {
9395     int xx = x + xy[i][0];
9396     int yy = y + xy[i][1];
9397     int dir = MV_DIR_FROM_BIT(i);
9398     int dir_opposite = MV_DIR_OPPOSITE(dir);
9399
9400     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9401         (direction_old & dir) &&
9402         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9403       direction_new |= dir;
9404   }
9405
9406   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9407 }
9408
9409 static int getClosedBelt(int x, int y)
9410 {
9411   static int xy[4][2] =
9412   {
9413     { -1, 0 },
9414     { +1, 0 },
9415     { 0, -1 },
9416     { 0, +1 }
9417   };
9418   int element_old = IntelliDrawBuffer[x][y];
9419   int nr = getBeltNrFromBeltElement(element_old);
9420   int direction_old = getOpenDirectionFromBelt(element_old);
9421   int direction_new = MV_NONE;
9422   int i;
9423
9424   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9425   {
9426     int xx = x + xy[i][0];
9427     int yy = y + xy[i][1];
9428     int dir = MV_DIR_FROM_BIT(i);
9429     int dir_opposite = MV_DIR_OPPOSITE(dir);
9430
9431     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9432         (direction_old & dir) &&
9433         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9434       direction_new |= dir;
9435   }
9436
9437   return getBeltFromNrAndOpenDirection(nr, direction_new);
9438 }
9439
9440 static int getClosedPool(int x, int y)
9441 {
9442   static int xy[4][2] =
9443   {
9444     { -1, 0 },
9445     { +1, 0 },
9446     { 0, -1 },
9447     { 0, +1 }
9448   };
9449   int element_old = IntelliDrawBuffer[x][y];
9450   int direction_old = getOpenDirectionFromPool(element_old);
9451   int direction_new = MV_NONE;
9452   int i;
9453
9454   for (i = 0; i < NUM_DIRECTIONS; i++)
9455   {
9456     int xx = x + xy[i][0];
9457     int yy = y + xy[i][1];
9458     int dir = MV_DIR_FROM_BIT(i);
9459     int dir_opposite = MV_DIR_OPPOSITE(dir);
9460
9461     if (IN_LEV_FIELD(xx, yy) &&
9462         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9463         (direction_old & dir) &&
9464         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9465       direction_new |= dir;
9466   }
9467
9468   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9469 }
9470
9471 static int getClosedPillar(int x, int y)
9472 {
9473   static int xy[4][2] =
9474   {
9475     { -1, 0 },
9476     { +1, 0 },
9477     { 0, -1 },
9478     { 0, +1 }
9479   };
9480   int element_old = IntelliDrawBuffer[x][y];
9481   int direction_old = getOpenDirectionFromPillar(element_old);
9482   int direction_new = MV_NONE;
9483   int i;
9484
9485   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9486   {
9487     int xx = x + xy[i][0];
9488     int yy = y + xy[i][1];
9489     int dir = MV_DIR_FROM_BIT(i);
9490     int dir_opposite = MV_DIR_OPPOSITE(dir);
9491
9492     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9493         (direction_old & dir) &&
9494         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9495       direction_new |= dir;
9496   }
9497
9498   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9499 }
9500
9501 static int getClosedSteel2(int x, int y)
9502 {
9503   static int xy[4][2] =
9504   {
9505     { -1, 0 },
9506     { +1, 0 },
9507     { 0, -1 },
9508     { 0, +1 }
9509   };
9510   int element_old = IntelliDrawBuffer[x][y];
9511   int direction_old = getOpenDirectionFromSteel2(element_old);
9512   int direction_new = MV_NONE;
9513   int i;
9514
9515   for (i = 0; i < NUM_DIRECTIONS; i++)
9516   {
9517     int xx = x + xy[i][0];
9518     int yy = y + xy[i][1];
9519     int dir = MV_DIR_FROM_BIT(i);
9520     int dir_opposite = MV_DIR_OPPOSITE(dir);
9521
9522     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9523         (direction_old & dir) &&
9524         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9525       direction_new |= dir;
9526   }
9527
9528   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9529 }
9530
9531 static int getClosedChip(int x, int y)
9532 {
9533   static int xy[4][2] =
9534   {
9535     { -1, 0 },
9536     { +1, 0 },
9537     { 0, -1 },
9538     { 0, +1 }
9539   };
9540   int element_old = IntelliDrawBuffer[x][y];
9541   int direction_old = getOpenDirectionFromChip(element_old);
9542   int direction_new = MV_NONE;
9543   int i;
9544
9545   for (i = 0; i < NUM_DIRECTIONS; i++)
9546   {
9547     int xx = x + xy[i][0];
9548     int yy = y + xy[i][1];
9549     int dir = MV_DIR_FROM_BIT(i);
9550     int dir_opposite = MV_DIR_OPPOSITE(dir);
9551
9552     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9553         (direction_old & dir) &&
9554         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9555       direction_new |= dir;
9556   }
9557
9558   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9559 }
9560
9561 static void SetElementSimple(int x, int y, int element, boolean change_level)
9562 {
9563   int sx = x - level_xpos;
9564   int sy = y - level_ypos;
9565
9566   IntelliDrawBuffer[x][y] = element;
9567
9568   if (change_level)
9569     Feld[x][y] = element;
9570
9571   if (IN_ED_FIELD(sx, sy))
9572     DrawEditorElement(sx, sy, element);
9573 }
9574
9575 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9576                                            int x2, int y2, int *element2,
9577                                            int (*close_function)(int, int),
9578                                            boolean change_level)
9579 {
9580   /* set neighbour elements to newly determined connections */
9581   SetElementSimple(x1, y1, *element1, change_level);
9582   SetElementSimple(x2, y2, *element2, change_level);
9583
9584   /* remove all open connections of neighbour elements */
9585   *element1 = close_function(x1, y1);
9586   *element2 = close_function(x2, y2);
9587
9588   /* set neighbour elements to new, minimized connections */
9589   SetElementSimple(x1, y1, *element1, change_level);
9590   SetElementSimple(x2, y2, *element2, change_level);
9591 }
9592
9593 static void SetElementIntelliDraw(int x, int y, int new_element,
9594                                   boolean change_level, int button)
9595 {
9596   static int xy[4][2] =
9597   {
9598     { -1, 0 },
9599     { +1, 0 },
9600     { 0, -1 },
9601     { 0, +1 }
9602   };
9603   static int last_x = -1;
9604   static int last_y = -1;
9605   int old_element = IntelliDrawBuffer[x][y];
9606
9607   if (new_element == EL_UNDEFINED)
9608   {
9609     last_x = -1;
9610     last_y = -1;
9611
9612     return;
9613   }
9614
9615   if (IS_TUBE(new_element))
9616   {
9617     int last_element_new = EL_UNDEFINED;
9618     int direction = MV_NONE;
9619     int i;
9620
9621     /* if old element is of same kind, keep all existing directions */
9622     if (IS_TUBE(old_element))
9623       direction |= getOpenDirectionFromTube(old_element);
9624
9625     for (i = 0; i < NUM_DIRECTIONS; i++)
9626     {
9627       int xx = x + xy[i][0];
9628       int yy = y + xy[i][1];
9629
9630       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9631           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9632       {
9633         int dir = MV_DIR_FROM_BIT(i);
9634         int dir_opposite = MV_DIR_OPPOSITE(dir);
9635         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9636         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9637         int last_direction_new = last_direction_old | dir_opposite;
9638
9639         last_element_new = getTubeFromOpenDirection(last_direction_new);
9640
9641         direction |= dir;
9642       }
9643     }
9644
9645     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9646
9647     if (last_element_new != EL_UNDEFINED)
9648       MergeAndCloseNeighbourElements(x, y, &new_element,
9649                                      last_x, last_y, &last_element_new,
9650                                      getClosedTube, change_level);
9651   }
9652   else if (IS_BELT(new_element))
9653   {
9654     int belt_nr = getBeltNrFromBeltElement(new_element);
9655     int last_element_new = EL_UNDEFINED;
9656     int direction = MV_NONE;
9657     int i;
9658
9659     /* if old element is of same kind, keep all existing directions */
9660     if (IS_BELT(old_element))
9661       direction |= getOpenDirectionFromBelt(old_element);
9662
9663     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9664     {
9665       int xx = x + xy[i][0];
9666       int yy = y + xy[i][1];
9667
9668       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9669           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9670       {
9671         int dir = MV_DIR_FROM_BIT(i);
9672         int dir_opposite = MV_DIR_OPPOSITE(dir);
9673         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9674         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9675         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9676         int last_direction_new = last_direction_old | dir_opposite;
9677
9678         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9679                                                          last_direction_new);
9680         direction |= dir;
9681       }
9682     }
9683
9684     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9685                                                         new_element);
9686     if (last_element_new != EL_UNDEFINED)
9687       MergeAndCloseNeighbourElements(x, y, &new_element,
9688                                      last_x, last_y, &last_element_new,
9689                                      getClosedBelt, change_level);
9690   }
9691   else if (IS_ACID_POOL_OR_ACID(new_element))
9692   {
9693     int last_element_new = EL_UNDEFINED;
9694     int direction = MV_NONE;
9695     int i;
9696
9697     /* if old element is of same kind, keep all existing directions */
9698     if (IS_ACID_POOL_OR_ACID(old_element))
9699       direction |= getOpenDirectionFromPool(old_element);
9700
9701     for (i = 0; i < NUM_DIRECTIONS; i++)
9702     {
9703       int xx = x + xy[i][0];
9704       int yy = y + xy[i][1];
9705
9706       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9707           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9708       {
9709         int dir = MV_DIR_FROM_BIT(i);
9710         int dir_opposite = MV_DIR_OPPOSITE(dir);
9711         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9712         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9713         int last_direction_new = last_direction_old | dir_opposite;
9714
9715         last_element_new = getPoolFromOpenDirection(last_direction_new);
9716
9717         direction |= dir;
9718       }
9719     }
9720
9721     /* special corrections needed for intuitively correct acid pool drawing */
9722     if (last_element_new == EL_EMPTY)
9723       last_element_new = new_element;
9724     else if (last_element_new != EL_UNDEFINED)
9725       new_element = last_element_new;
9726
9727     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9728
9729     if (last_element_new != EL_UNDEFINED)
9730       MergeAndCloseNeighbourElements(x, y, &new_element,
9731                                      last_x, last_y, &last_element_new,
9732                                      getClosedPool, change_level);
9733   }
9734   else if (IS_EMC_PILLAR(new_element))
9735   {
9736     int last_element_new = EL_UNDEFINED;
9737     int direction = MV_NONE;
9738     int i;
9739
9740     /* if old element is of same kind, keep all existing directions */
9741     if (IS_EMC_PILLAR(old_element))
9742       direction |= getOpenDirectionFromPillar(old_element);
9743
9744     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9745     {
9746       int xx = x + xy[i][0];
9747       int yy = y + xy[i][1];
9748
9749       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9750           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9751       {
9752         int dir = MV_DIR_FROM_BIT(i);
9753         int dir_opposite = MV_DIR_OPPOSITE(dir);
9754         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9755         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9756         int last_direction_new = last_direction_old | dir_opposite;
9757
9758         last_element_new = getPillarFromOpenDirection(last_direction_new);
9759
9760         direction |= dir;
9761       }
9762     }
9763
9764     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9765
9766     if (last_element_new != EL_UNDEFINED)
9767       MergeAndCloseNeighbourElements(x, y, &new_element,
9768                                      last_x, last_y, &last_element_new,
9769                                      getClosedPillar, change_level);
9770   }
9771   else if (IS_DC_STEELWALL_2(new_element))
9772   {
9773     int last_element_new = EL_UNDEFINED;
9774     int direction = MV_NONE;
9775     int i;
9776
9777     /* if old element is of same kind, keep all existing directions */
9778     if (IS_DC_STEELWALL_2(old_element))
9779       direction |= getOpenDirectionFromSteel2(old_element);
9780
9781     for (i = 0; i < NUM_DIRECTIONS; i++)
9782     {
9783       int xx = x + xy[i][0];
9784       int yy = y + xy[i][1];
9785
9786       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9787           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9788       {
9789         int dir = MV_DIR_FROM_BIT(i);
9790         int dir_opposite = MV_DIR_OPPOSITE(dir);
9791         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9792         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9793         int last_direction_new = last_direction_old | dir_opposite;
9794
9795         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9796
9797         direction |= dir;
9798       }
9799     }
9800
9801     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9802
9803     if (last_element_new != EL_UNDEFINED)
9804       MergeAndCloseNeighbourElements(x, y, &new_element,
9805                                      last_x, last_y, &last_element_new,
9806                                      getClosedSteel2, change_level);
9807   }
9808   else if (IS_SP_CHIP(new_element))
9809   {
9810     int last_element_new = EL_UNDEFINED;
9811     int direction = MV_NONE;
9812     int i;
9813
9814     /* (do not keep existing directions, regardless of kind of old element) */
9815
9816     for (i = 0; i < NUM_DIRECTIONS; i++)
9817     {
9818       int xx = x + xy[i][0];
9819       int yy = y + xy[i][1];
9820
9821       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9822           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9823       {
9824         int dir = MV_DIR_FROM_BIT(i);
9825         int dir_opposite = MV_DIR_OPPOSITE(dir);
9826         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9827         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9828         int last_direction_new = last_direction_old | dir_opposite;
9829
9830         if (last_direction_old == MV_NONE)
9831         {
9832           last_element_new = getChipFromOpenDirection(last_direction_new);
9833           direction |= dir;
9834         }
9835         else if (last_direction_old & (dir | dir_opposite))
9836         {
9837           direction |= MV_DIR_OPPOSITE(last_direction_old);
9838         }
9839         else
9840         {
9841           direction |= MV_DIR_OPPOSITE(dir);
9842         }
9843       }
9844     }
9845
9846     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9847
9848     if (last_element_new != EL_UNDEFINED)
9849       MergeAndCloseNeighbourElements(x, y, &new_element,
9850                                      last_x, last_y, &last_element_new,
9851                                      getClosedChip, change_level);
9852   }
9853   else if (IS_SP_HARDWARE_BASE(new_element))
9854   {
9855     int nr = GetSimpleRandom(6);
9856
9857     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9858                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9859                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9860                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9861                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9862   }
9863   else if (new_element == EL_SP_HARDWARE_GREEN ||
9864            new_element == EL_SP_HARDWARE_BLUE ||
9865            new_element == EL_SP_HARDWARE_RED)
9866   {
9867     int nr = GetSimpleRandom(3);
9868
9869     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9870                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9871   }
9872   else if (IS_GROUP_ELEMENT(new_element))
9873   {
9874     boolean connected_drawing = FALSE;
9875     int i;
9876
9877     for (i = 0; i < NUM_DIRECTIONS; i++)
9878     {
9879       int xx = x + xy[i][0];
9880       int yy = y + xy[i][1];
9881
9882       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9883           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9884         connected_drawing = TRUE;
9885     }
9886
9887     if (!connected_drawing)
9888       ResolveGroupElement(new_element);
9889
9890     new_element = GetElementFromGroupElement(new_element);
9891   }
9892   else if (IS_BELT_SWITCH(old_element))
9893   {
9894     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9895     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9896
9897     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9898                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9899
9900     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9901   }
9902   else
9903   {
9904     static int swappable_elements[][2] =
9905     {
9906       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9907       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9908       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9909       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9910       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9911       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9912       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9913       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9914       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9915       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9916       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9917       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9918       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9919       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9920       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9921       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9922       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9923       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9924       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9925       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9926       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9927       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9928       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9929       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9930       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9931       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9932       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9933       { EL_PEARL,                       EL_WALL_PEARL                   },
9934       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9935       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9936       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9937       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9938       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9939       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9940       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
9941       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
9942       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
9943       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
9944       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
9945       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
9946
9947       { -1,                             -1                              },
9948     };
9949     static int rotatable_elements[][4] =
9950     {
9951       {
9952         EL_BUG_UP,
9953         EL_BUG_RIGHT,
9954         EL_BUG_DOWN,
9955         EL_BUG_LEFT
9956       },
9957
9958       {
9959         EL_SPACESHIP_UP,
9960         EL_SPACESHIP_RIGHT,
9961         EL_SPACESHIP_DOWN,
9962         EL_SPACESHIP_LEFT
9963       },
9964
9965       {
9966         EL_BD_BUTTERFLY_UP,
9967         EL_BD_BUTTERFLY_RIGHT,
9968         EL_BD_BUTTERFLY_DOWN,
9969         EL_BD_BUTTERFLY_LEFT
9970       },
9971
9972       {
9973         EL_BD_FIREFLY_UP,
9974         EL_BD_FIREFLY_RIGHT,
9975         EL_BD_FIREFLY_DOWN,
9976         EL_BD_FIREFLY_LEFT
9977       },
9978
9979       {
9980         EL_PACMAN_UP,
9981         EL_PACMAN_RIGHT,
9982         EL_PACMAN_DOWN,
9983         EL_PACMAN_LEFT
9984       },
9985
9986       {
9987         EL_YAMYAM_UP,
9988         EL_YAMYAM_RIGHT,
9989         EL_YAMYAM_DOWN,
9990         EL_YAMYAM_LEFT
9991       },
9992
9993       {
9994         EL_ARROW_UP,
9995         EL_ARROW_RIGHT,
9996         EL_ARROW_DOWN,
9997         EL_ARROW_LEFT
9998       },
9999
10000       {
10001         EL_SP_PORT_UP,
10002         EL_SP_PORT_RIGHT,
10003         EL_SP_PORT_DOWN,
10004         EL_SP_PORT_LEFT
10005       },
10006
10007       {
10008         EL_SP_GRAVITY_PORT_UP,
10009         EL_SP_GRAVITY_PORT_RIGHT,
10010         EL_SP_GRAVITY_PORT_DOWN,
10011         EL_SP_GRAVITY_PORT_LEFT
10012       },
10013
10014       {
10015         EL_SP_GRAVITY_ON_PORT_UP,
10016         EL_SP_GRAVITY_ON_PORT_RIGHT,
10017         EL_SP_GRAVITY_ON_PORT_DOWN,
10018         EL_SP_GRAVITY_ON_PORT_LEFT
10019       },
10020
10021       {
10022         EL_SP_GRAVITY_OFF_PORT_UP,
10023         EL_SP_GRAVITY_OFF_PORT_RIGHT,
10024         EL_SP_GRAVITY_OFF_PORT_DOWN,
10025         EL_SP_GRAVITY_OFF_PORT_LEFT
10026       },
10027
10028       {
10029         EL_MOLE_UP,
10030         EL_MOLE_RIGHT,
10031         EL_MOLE_DOWN,
10032         EL_MOLE_LEFT
10033       },
10034
10035       {
10036         EL_BALLOON_SWITCH_UP,
10037         EL_BALLOON_SWITCH_RIGHT,
10038         EL_BALLOON_SWITCH_DOWN,
10039         EL_BALLOON_SWITCH_LEFT
10040       },
10041
10042       {
10043         -1,
10044         -1,
10045         -1,
10046         -1,
10047       },
10048     };
10049     int i, j;
10050
10051     for (i = 0; swappable_elements[i][0] != -1; i++)
10052     {
10053       int element1 = swappable_elements[i][0];
10054       int element2 = swappable_elements[i][1];
10055
10056       if (old_element == element1 || old_element == element2)
10057         new_element = (old_element == element1 ? element2 : element1);
10058     }
10059
10060     for (i = 0; rotatable_elements[i][0] != -1; i++)
10061     {
10062       for (j = 0; j < 4; j++)
10063       {
10064         int element = rotatable_elements[i][j];
10065
10066         if (old_element == element)
10067           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
10068                          button == 2 ? rotatable_elements[i][0]           :
10069                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
10070                          old_element);
10071       }
10072     }
10073   }
10074
10075   SetElementSimple(x, y, new_element, change_level);
10076
10077   last_x = x;
10078   last_y = y;
10079 }
10080
10081 static void ResetIntelliDraw()
10082 {
10083   int x, y;
10084
10085   for (x = 0; x < lev_fieldx; x++)
10086     for (y = 0; y < lev_fieldy; y++)
10087       IntelliDrawBuffer[x][y] = Feld[x][y];
10088
10089   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
10090 }
10091
10092 static void SetElementExt(int x, int y, int element, boolean change_level,
10093                           int button)
10094 {
10095   if (element < 0)
10096     SetElementSimple(x, y, Feld[x][y], change_level);
10097   else if (GetKeyModState() & KMOD_Shift)
10098     SetElementIntelliDraw(x, y, element, change_level, button);
10099   else
10100     SetElementSimple(x, y, element, change_level);
10101 }
10102
10103 static void SetElement(int x, int y, int element)
10104 {
10105   SetElementExt(x, y, element, TRUE, -1);
10106 }
10107
10108 static void SetElementButton(int x, int y, int element, int button)
10109 {
10110   SetElementExt(x, y, element, TRUE, button);
10111 }
10112
10113 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
10114 {
10115   int lx = sx + level_xpos;
10116   int ly = sy + level_ypos;
10117
10118   SetElementExt(lx, ly, element, change_level, -1);
10119 }
10120
10121 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
10122                      int element, boolean change_level)
10123 {
10124   int xsize = ABS(to_x - from_x);
10125   int ysize = ABS(to_y - from_y);
10126   int dx = (to_x < from_x ? -1 : +1);
10127   int dy = (to_y < from_y ? -1 : +1);
10128   int i;
10129
10130   if (from_y == to_y)                   /* horizontal line */
10131   {
10132     for (i = 0; i <= xsize; i++)
10133       DrawLineElement(from_x + i * dx, from_y, element, change_level);
10134   }
10135   else if (from_x == to_x)              /* vertical line */
10136   {
10137     for (i = 0; i <= ysize; i++)
10138       DrawLineElement(from_x, from_y + i * dy, element, change_level);
10139   }
10140   else                                  /* diagonal line */
10141   {
10142     if (ysize < xsize)                  /* a < 1 */
10143     {
10144       float a = (float)ysize / (float)xsize;
10145
10146       for (i = 0; i <= xsize; i++)
10147       {
10148         int x = dx * i;
10149         int y = dy * (int)(a * i + 0.5);
10150
10151         DrawLineElement(from_x + x, from_y + y, element, change_level);
10152       }
10153     }
10154     else                                /* a >= 1 */
10155     {
10156       float a = (float)xsize / (float)ysize;
10157
10158       for (i = 0; i <= ysize; i++)
10159       {
10160         int x = dx * (int)(a * i + 0.5);
10161         int y = dy * i;
10162
10163         DrawLineElement(from_x + x, from_y + y, element, change_level);
10164       }
10165     }
10166   }
10167 }
10168
10169 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
10170                     int element, boolean change_level)
10171 {
10172   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
10173   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
10174   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
10175   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
10176 }
10177
10178 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
10179                           int element, boolean change_level)
10180 {
10181   int y;
10182
10183   if (from_y > to_y)
10184     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
10185
10186   for (y = from_y; y <= to_y; y++)
10187     DrawLine(from_x, y, to_x, y, element, change_level);
10188 }
10189
10190 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
10191                        int element, boolean change_level)
10192 {
10193   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
10194   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
10195   int len_x = ABS(to_x - from_x);
10196   int len_y = ABS(to_y - from_y);
10197   int radius, x, y;
10198
10199   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
10200
10201   /* not optimal (some points get drawn twice) but simple,
10202      and fast enough for the few points we are drawing */
10203
10204   for (x = 0; x <= radius; x++)
10205   {
10206     int sx, sy, lx, ly;
10207
10208     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
10209
10210     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10211     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10212     lx = sx + level_xpos;
10213     ly = sy + level_ypos;
10214
10215     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10216       DrawLineElement(sx, sy, element, change_level);
10217   }
10218
10219   for (y = 0; y <= radius; y++)
10220   {
10221     int sx, sy, lx, ly;
10222
10223     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
10224
10225     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10226     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10227     lx = sx + level_xpos;
10228     ly = sy + level_ypos;
10229
10230     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10231       DrawLineElement(sx, sy, element, change_level);
10232   }
10233 }
10234
10235 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
10236                     int element, boolean change_level)
10237 {
10238   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10239   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10240
10241   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10242 }
10243
10244 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
10245
10246 #if DRAW_CIRCLES_BUTTON_AVAILABLE
10247 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
10248                        int element, boolean change_level)
10249 {
10250   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10251   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10252   int mirror_to_x2 = from_x - (to_x2 - from_x);
10253   int mirror_to_y2 = from_y - (to_y2 - from_y);
10254
10255   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10256   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
10257   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
10258   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
10259 }
10260 #endif
10261
10262 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
10263 {
10264   int from_sx, from_sy;
10265   int to_sx, to_sy;
10266
10267   if (from_x > to_x)
10268     swap_numbers(&from_x, &to_x);
10269
10270   if (from_y > to_y)
10271     swap_numbers(&from_y, &to_y);
10272
10273   from_sx = SX + from_x * ed_tilesize;
10274   from_sy = SY + from_y * ed_tilesize;
10275   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
10276   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
10277
10278   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
10279   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
10280   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
10281   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
10282
10283   if (from_x == to_x && from_y == to_y)
10284     MarkTileDirty(from_x/2, from_y/2);
10285   else
10286     redraw_mask |= REDRAW_FIELD;
10287 }
10288
10289 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
10290                        int element, boolean change_level)
10291 {
10292   if (element == -1 || change_level)
10293     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
10294   else
10295     DrawAreaBorder(from_x, from_y, to_x, to_y);
10296 }
10297
10298 /* values for CopyBrushExt() */
10299 #define CB_AREA_TO_BRUSH        0
10300 #define CB_BRUSH_TO_CURSOR      1
10301 #define CB_BRUSH_TO_LEVEL       2
10302 #define CB_DELETE_OLD_CURSOR    3
10303 #define CB_DUMP_BRUSH           4
10304 #define CB_DUMP_BRUSH_SMALL     5
10305
10306 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10307                          int button, int mode)
10308 {
10309   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10310   static int brush_width, brush_height;
10311   static int last_cursor_x = -1, last_cursor_y = -1;
10312   static boolean delete_old_brush;
10313   int new_element = BUTTON_ELEMENT(button);
10314   int x, y;
10315
10316   if (mode == CB_DUMP_BRUSH ||
10317       mode == CB_DUMP_BRUSH_SMALL)
10318   {
10319     if (!draw_with_brush)
10320     {
10321       Error(ERR_WARN, "no brush selected");
10322
10323       return;
10324     }
10325
10326     for (y = 0; y < brush_height; y++)
10327     {
10328       for (x = 0; x < brush_width; x++)
10329       {
10330         int element = brush_buffer[x][y];
10331         int element_mapped = element;
10332
10333         if (IS_CUSTOM_ELEMENT(element))
10334           element_mapped = EL_CUSTOM_START;
10335         else if (IS_GROUP_ELEMENT(element))
10336           element_mapped = EL_GROUP_START;
10337         else if (element >= NUM_FILE_ELEMENTS)
10338           element_mapped = EL_UNKNOWN;
10339
10340         // dump brush as level sketch text for the R'n'D forum:
10341         // - large tiles: `xxx (0x60 ASCII)
10342         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
10343         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
10344       }
10345
10346       printf("\n");
10347     }
10348
10349     return;
10350   }
10351
10352   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10353     return;
10354
10355   if (mode == CB_AREA_TO_BRUSH)
10356   {
10357     int from_lx, from_ly;
10358
10359     if (from_x > to_x)
10360       swap_numbers(&from_x, &to_x);
10361
10362     if (from_y > to_y)
10363       swap_numbers(&from_y, &to_y);
10364
10365     brush_width = to_x - from_x + 1;
10366     brush_height = to_y - from_y + 1;
10367
10368     from_lx = from_x + level_xpos;
10369     from_ly = from_y + level_ypos;
10370
10371     for (y = 0; y < brush_height; y++)
10372     {
10373       for (x = 0; x < brush_width; x++)
10374       {
10375         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10376
10377         if (button != 1)
10378           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10379       }
10380     }
10381
10382     if (button != 1)
10383       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10384
10385     delete_old_brush = FALSE;
10386   }
10387   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10388            mode == CB_BRUSH_TO_LEVEL)
10389   {
10390     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10391     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10392     int cursor_from_x = cursor_x - brush_width / 2;
10393     int cursor_from_y = cursor_y - brush_height / 2;
10394     int border_from_x = cursor_x, border_from_y = cursor_y;
10395     int border_to_x = cursor_x, border_to_y = cursor_y;
10396
10397     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10398       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10399
10400     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10401         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10402     {
10403       delete_old_brush = FALSE;
10404       return;
10405     }
10406
10407     for (y = 0; y < brush_height; y++)
10408     {
10409       for (x = 0; x < brush_width; x++)
10410       {
10411         int sx = cursor_from_x + x;
10412         int sy = cursor_from_y + y;
10413         int lx = sx + level_xpos;
10414         int ly = sy + level_ypos;
10415         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10416         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10417                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10418                        brush_buffer[x][y] : new_element);
10419
10420         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10421         {
10422           if (sx < border_from_x)
10423             border_from_x = sx;
10424           else if (sx > border_to_x)
10425             border_to_x = sx;
10426           if (sy < border_from_y)
10427             border_from_y = sy;
10428           else if (sy > border_to_y)
10429             border_to_y = sy;
10430
10431           DrawLineElement(sx, sy, element, change_level);
10432         }
10433       }
10434     }
10435
10436     if (mode != CB_DELETE_OLD_CURSOR)
10437       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10438
10439     last_cursor_x = cursor_x;
10440     last_cursor_y = cursor_y;
10441     delete_old_brush = TRUE;
10442   }
10443 }
10444
10445 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10446                             int button)
10447 {
10448   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10449 }
10450
10451 static void CopyBrushToLevel(int x, int y, int button)
10452 {
10453   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10454 }
10455
10456 static void CopyBrushToCursor(int x, int y)
10457 {
10458   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10459 }
10460
10461 static void DeleteBrushFromCursor()
10462 {
10463   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10464 }
10465
10466 void DumpBrush()
10467 {
10468   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10469 }
10470
10471 void DumpBrush_Small()
10472 {
10473   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10474 }
10475
10476 static void FloodFill(int from_x, int from_y, int fill_element)
10477 {
10478   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10479 }
10480
10481 /* values for DrawLevelText() modes */
10482 #define TEXT_INIT               0
10483 #define TEXT_SETCURSOR          1
10484 #define TEXT_WRITECHAR          2
10485 #define TEXT_BACKSPACE          3
10486 #define TEXT_NEWLINE            4
10487 #define TEXT_END                5
10488 #define TEXT_QUERY_TYPING       6
10489
10490 static int DrawLevelText(int sx, int sy, char letter, int mode)
10491 {
10492   static short delete_buffer[MAX_LEV_FIELDX];
10493   static int start_sx;
10494   static int last_sx, last_sy;
10495   static boolean typing = FALSE;
10496   int letter_element = EL_CHAR_ASCII0 + letter;
10497   int lx = 0, ly = 0;
10498
10499   /* map lower case letters to upper case and convert special characters */
10500   if (letter >= 'a' && letter <= 'z')
10501     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10502   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
10503     letter_element = EL_CHAR_AUMLAUT;
10504   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
10505     letter_element = EL_CHAR_OUMLAUT;
10506   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
10507     letter_element = EL_CHAR_UUMLAUT;
10508   else if (letter == '^')
10509     letter_element = EL_CHAR_COPYRIGHT;
10510   else
10511     letter_element = EL_CHAR_ASCII0 + letter;
10512
10513   if (mode != TEXT_INIT)
10514   {
10515     if (!typing)
10516       return FALSE;
10517
10518     if (mode != TEXT_SETCURSOR)
10519     {
10520       sx = last_sx;
10521       sy = last_sy;
10522     }
10523
10524     lx = last_sx + level_xpos;
10525     ly = last_sy + level_ypos;
10526   }
10527
10528   switch (mode)
10529   {
10530     case TEXT_INIT:
10531       if (typing)
10532         DrawLevelText(0, 0, 0, TEXT_END);
10533
10534       typing = TRUE;
10535       start_sx = sx;
10536       last_sx = sx;
10537       last_sy = sy;
10538       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10539       break;
10540
10541     case TEXT_SETCURSOR:
10542       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
10543       DrawAreaBorder(sx, sy, sx, sy);
10544       last_sx = sx;
10545       last_sy = sy;
10546       break;
10547
10548     case TEXT_WRITECHAR:
10549       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10550       {
10551         if (new_element1 >= EL_STEEL_CHAR_START &&
10552             new_element1 <= EL_STEEL_CHAR_END)
10553           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
10554
10555         delete_buffer[sx - start_sx] = Feld[lx][ly];
10556         Feld[lx][ly] = letter_element;
10557
10558         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10559           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10560         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10561           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10562         else
10563           DrawLevelText(0, 0, 0, TEXT_END);
10564
10565         level.changed = TRUE;
10566       }
10567       break;
10568
10569     case TEXT_BACKSPACE:
10570       if (sx > start_sx)
10571       {
10572         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10573         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
10574         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10575       }
10576       break;
10577
10578     case TEXT_NEWLINE:
10579       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10580         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10581       else
10582         DrawLevelText(0, 0, 0, TEXT_END);
10583       break;
10584
10585     case TEXT_END:
10586       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10587       DrawEditorElement(sx, sy, Feld[lx][ly]);
10588       typing = FALSE;
10589       break;
10590
10591     case TEXT_QUERY_TYPING:
10592       break;
10593
10594     default:
10595       break;
10596   }
10597
10598   return typing;
10599 }
10600
10601 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10602                           int element, boolean change_level)
10603 {
10604   int lx = sx + level_xpos;
10605   int ly = sy + level_ypos;
10606
10607   if (element == -1)
10608     DrawEditorElement(sx, sy, Feld[lx][ly]);
10609   else
10610     DrawAreaBorder(sx, sy, sx, sy);
10611 }
10612
10613 static void CheckLevelBorderElement(boolean redraw_playfield)
10614 {
10615   int last_border_element = BorderElement;
10616
10617   SetBorderElement();
10618
10619   if (redraw_playfield && BorderElement != last_border_element)
10620     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10621 }
10622
10623 static void CopyLevelToUndoBuffer(int mode)
10624 {
10625   static boolean accumulated_undo = FALSE;
10626   boolean new_undo_buffer_position = TRUE;
10627   int x, y;
10628
10629   if (undo_buffer_steps == 0)
10630     accumulated_undo = FALSE;
10631
10632   switch (mode)
10633   {
10634     case UNDO_IMMEDIATE:
10635       accumulated_undo = FALSE;
10636       break;
10637
10638     case UNDO_ACCUMULATE:
10639       if (accumulated_undo)
10640         new_undo_buffer_position = FALSE;
10641       accumulated_undo = TRUE;
10642       break;
10643
10644     default:
10645       break;
10646   }
10647
10648   if (new_undo_buffer_position)
10649   {
10650     /* advance position in undo buffer ring */
10651     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10652
10653     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10654       undo_buffer_steps++;
10655   }
10656
10657   /* always reset redo buffer when storing level change into undo buffer */
10658   redo_buffer_steps = 0;
10659
10660   for (x = 0; x < lev_fieldx; x++)
10661     for (y = 0; y < lev_fieldy; y++)
10662       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10663
10664   /* check if drawing operation forces change of border style */
10665   CheckLevelBorderElement(TRUE);
10666
10667   level.changed = TRUE;
10668 }
10669
10670 static void RandomPlacement(int new_element)
10671 {
10672   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10673   int num_free_positions = 0;
10674   int num_percentage, num_elements;
10675   int x, y;
10676
10677   ResetIntelliDraw();
10678
10679   /* determine number of free positions for randomly placing the new element */
10680   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10681   {
10682     free_position[x][y] =
10683       (random_placement_background_restricted ?
10684        Feld[x][y] == random_placement_background_element :
10685        Feld[x][y] != new_element);
10686
10687     if (free_position[x][y])
10688       num_free_positions++;
10689   }
10690
10691   /* determine number of new elements to place there */
10692   num_percentage = num_free_positions * random_placement_value / 100;
10693   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10694                   num_percentage : random_placement_value);
10695
10696   /* if less free positions than elements to place, fill all these positions */
10697   if (num_free_positions < num_elements)
10698   {
10699     for (x = 0; x < lev_fieldx; x++)
10700       for (y = 0; y < lev_fieldy; y++)
10701         if (free_position[x][y])
10702           SetElement(x, y, new_element);
10703   }
10704   else
10705   {
10706     while (num_elements > 0)
10707     {
10708       x = GetSimpleRandom(lev_fieldx);
10709       y = GetSimpleRandom(lev_fieldy);
10710
10711       /* don't place element at the same position twice */
10712       if (free_position[x][y])
10713       {
10714         free_position[x][y] = FALSE;
10715         SetElement(x, y, new_element);
10716         num_elements--;
10717       }
10718     }
10719   }
10720
10721   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10722   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10723 }
10724
10725 void WrapLevel(int dx, int dy)
10726 {
10727   int wrap_dx = lev_fieldx - dx;
10728   int wrap_dy = lev_fieldy - dy;
10729   int x, y;
10730
10731   for (x = 0; x < lev_fieldx; x++)
10732     for (y = 0; y < lev_fieldy; y++)
10733       FieldBackup[x][y] = Feld[x][y];
10734
10735   for (x = 0; x < lev_fieldx; x++)
10736     for (y = 0; y < lev_fieldy; y++)
10737       Feld[x][y] =
10738         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10739
10740   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10741   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10742 }
10743
10744 static void HandleDrawingAreas(struct GadgetInfo *gi)
10745 {
10746   static boolean started_inside_drawing_area = FALSE;
10747   int id = gi->custom_id;
10748   boolean button_press_event;
10749   boolean button_release_event;
10750   boolean inside_drawing_area = !gi->event.off_borders;
10751   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10752   int actual_drawing_function;
10753   int button = gi->event.button;
10754   int new_element = BUTTON_ELEMENT(button);
10755   int sx = gi->event.x, sy = gi->event.y;
10756   int min_sx = 0, min_sy = 0;
10757   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10758   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10759   int lx = 0, ly = 0;
10760   int min_lx = 0, min_ly = 0;
10761   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10762   int x, y;
10763
10764   /* handle info callback for each invocation of action callback */
10765   gi->callback_info(gi);
10766
10767   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10768   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10769
10770   /* make sure to stay inside drawing area boundaries */
10771   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10772   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10773
10774   if (draw_level)
10775   {
10776     /* get positions inside level field */
10777     lx = sx + level_xpos;
10778     ly = sy + level_ypos;
10779
10780     if (!IN_LEV_FIELD(lx, ly))
10781       inside_drawing_area = FALSE;
10782
10783     /* make sure to stay inside level field boundaries */
10784     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10785     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10786
10787     /* correct drawing area positions accordingly */
10788     sx = lx - level_xpos;
10789     sy = ly - level_ypos;
10790   }
10791
10792   if (button_press_event)
10793     started_inside_drawing_area = inside_drawing_area;
10794
10795   if (!started_inside_drawing_area)
10796     return;
10797
10798   if (!IS_VALID_BUTTON(button))
10799     return;
10800
10801   if (!button && !button_release_event)
10802     return;
10803
10804   /* automatically switch to 'single item' drawing mode, if needed */
10805   actual_drawing_function =
10806     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10807      drawing_function : GADGET_ID_SINGLE_ITEMS);
10808
10809   /* clicking into drawing area with pressed Control key picks element */
10810   if (GetKeyModState() & KMOD_Control)
10811   {
10812     last_drawing_function = drawing_function;
10813     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10814   }
10815
10816   if (GetKeyModState() & KMOD_Shift)
10817   {
10818     if (button_press_event || button_release_event)
10819       ResetIntelliDraw();
10820   }
10821
10822   switch (actual_drawing_function)
10823   {
10824     case GADGET_ID_SINGLE_ITEMS:
10825       if (draw_level)
10826       {
10827         if (button_release_event)
10828         {
10829           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10830
10831           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10832               !inside_drawing_area)
10833             DeleteBrushFromCursor();
10834         }
10835
10836         if (!button || button_release_event)
10837           break;
10838
10839         if (draw_with_brush)
10840         {
10841           CopyBrushToLevel(sx, sy, button);
10842         }
10843         else
10844         {
10845           if (new_element == EL_PLAYER_1)
10846           {
10847             /* remove player at old position */
10848             for (y = 0; y < lev_fieldy; y++)
10849               for (x = 0; x < lev_fieldx; x++)
10850                 if (Feld[x][y] == EL_PLAYER_1)
10851                   SetElement(x, y, EL_EMPTY);
10852           }
10853
10854           SetElementButton(lx, ly, new_element, button);
10855         }
10856       }
10857       else
10858       {
10859         int type_id = gi->custom_type_id;
10860         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10861
10862         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10863           DrawMiniGraphicExt(drawto,
10864                              gi->x + sx * MINI_TILEX,
10865                              gi->y + sy * MINI_TILEY,
10866                              el2edimg(new_element));
10867         else
10868           DrawFixedGraphicExt(drawto,
10869                               gi->x + sx * TILEX,
10870                               gi->y + sy * TILEY,
10871                               el2img(new_element), 0);
10872
10873         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10874           new_element = GFX_ELEMENT(new_element);
10875
10876         drawingarea_info[type_id].value[pos] = new_element;
10877
10878         CopyElementPropertiesToGame(properties_element);
10879
10880         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10881         {
10882           UpdateCustomElementGraphicGadgets();
10883
10884           FrameCounter = 0;     /* restart animation frame counter */
10885         }
10886       }
10887       break;
10888
10889     case GADGET_ID_CONNECTED_ITEMS:
10890       {
10891         static int last_sx = -1;
10892         static int last_sy = -1;
10893
10894         if (button_release_event)
10895           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10896
10897         if (button)
10898         {
10899           if (!button_press_event)
10900             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10901
10902           last_sx = sx;
10903           last_sy = sy;
10904         }
10905       }
10906       break;
10907
10908     case GADGET_ID_LINE:
10909     case GADGET_ID_ARC:
10910     case GADGET_ID_RECTANGLE:
10911     case GADGET_ID_FILLED_BOX:
10912     case GADGET_ID_GRAB_BRUSH:
10913     case GADGET_ID_TEXT:
10914       {
10915         static int last_sx = -1;
10916         static int last_sy = -1;
10917         static int start_sx = -1;
10918         static int start_sy = -1;
10919         void (*draw_func)(int, int, int, int, int, boolean);
10920
10921         if (drawing_function == GADGET_ID_LINE)
10922           draw_func = DrawLine;
10923         else if (drawing_function == GADGET_ID_ARC)
10924           draw_func = DrawArc;
10925         else if (drawing_function == GADGET_ID_RECTANGLE)
10926           draw_func = DrawBox;
10927         else if (drawing_function == GADGET_ID_FILLED_BOX)
10928           draw_func = DrawFilledBox;
10929         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10930           draw_func = SelectArea;
10931         else /* (drawing_function == GADGET_ID_TEXT) */
10932           draw_func = SetTextCursor;
10933
10934         if (button_press_event)
10935         {
10936           draw_func(sx, sy, sx, sy, new_element, FALSE);
10937           start_sx = last_sx = sx;
10938           start_sy = last_sy = sy;
10939
10940           if (drawing_function == GADGET_ID_TEXT)
10941             DrawLevelText(0, 0, 0, TEXT_END);
10942         }
10943         else if (button_release_event)
10944         {
10945           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
10946           if (drawing_function == GADGET_ID_GRAB_BRUSH)
10947           {
10948             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
10949             CopyBrushToCursor(sx, sy);
10950             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
10951                           MB_LEFTBUTTON);
10952             draw_with_brush = TRUE;
10953           }
10954           else if (drawing_function == GADGET_ID_TEXT)
10955             DrawLevelText(sx, sy, 0, TEXT_INIT);
10956           else
10957             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10958         }
10959         else if (last_sx != sx || last_sy != sy)
10960         {
10961           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
10962           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
10963           last_sx = sx;
10964           last_sy = sy;
10965         }
10966       }
10967       break;
10968
10969     case GADGET_ID_FLOOD_FILL:
10970       if (button_press_event && Feld[lx][ly] != new_element)
10971       {
10972         FloodFill(lx, ly, new_element);
10973         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10974         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10975       }
10976       break;
10977
10978     case GADGET_ID_PICK_ELEMENT:
10979       if (button_release_event)
10980         ClickOnGadget(level_editor_gadget[last_drawing_function],
10981                       MB_LEFTBUTTON);
10982       else if (draw_level)
10983         PickDrawingElement(button, Feld[lx][ly]);
10984       else
10985       {
10986         int type_id = gi->custom_type_id;
10987         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10988
10989         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
10990       }
10991
10992       break;
10993
10994     default:
10995       break;
10996   }
10997 }
10998
10999 static void HandleCounterButtons(struct GadgetInfo *gi)
11000 {
11001   int gadget_id = gi->custom_id;
11002   int counter_id = gi->custom_type_id;
11003   int button = gi->event.button;
11004   int *counter_value = counterbutton_info[counter_id].value;
11005   int step = BUTTON_STEPSIZE(button) *
11006     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
11007
11008   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
11009   {
11010     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
11011     boolean released = (gi->event.type == GD_EVENT_RELEASED);
11012     boolean level_changed = LevelChanged();
11013
11014     if ((level_changed && pressed) || (!level_changed && released))
11015       return;
11016
11017     if (level_changed && !Request("Level has changed! Discard changes?",
11018                                   REQ_ASK))
11019     {
11020       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
11021         ModifyEditorCounterValue(counter_id, *counter_value);
11022
11023       return;
11024     }
11025   }
11026
11027   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
11028     *counter_value = gi->textinput.number_value;
11029   else
11030     ModifyEditorCounterValue(counter_id, *counter_value + step);
11031
11032   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
11033   {
11034       LoadLevel(level_nr);
11035       LoadScore(level_nr);
11036
11037       TapeErase();
11038
11039       ResetUndoBuffer();
11040       DrawEditModeWindow();
11041
11042       return;
11043   }
11044
11045   switch (counter_id)
11046   {
11047     case ED_COUNTER_ID_YAMYAM_CONTENT:
11048       DrawYamYamContentAreas();
11049       break;
11050
11051     case ED_COUNTER_ID_BALL_CONTENT:
11052       DrawMagicBallContentAreas();
11053       break;
11054
11055     case ED_COUNTER_ID_ANDROID_CONTENT:
11056       DrawAndroidElementArea(properties_element);
11057       break;
11058
11059     case ED_COUNTER_ID_GROUP_CONTENT:
11060       DrawGroupElementArea(properties_element);
11061       CopyGroupElementPropertiesToGame(properties_element);
11062       break;
11063
11064     case ED_COUNTER_ID_INVENTORY_SIZE:
11065       DrawPlayerInitialInventoryArea(properties_element);
11066       break;
11067
11068     case ED_COUNTER_ID_ENVELOPE_XSIZE:
11069     case ED_COUNTER_ID_ENVELOPE_YSIZE:
11070       DrawEnvelopeTextArea(-1);
11071       break;
11072
11073     case ED_COUNTER_ID_LEVEL_XSIZE:
11074     case ED_COUNTER_ID_LEVEL_YSIZE:
11075       lev_fieldx = level.fieldx;
11076       lev_fieldy = level.fieldy;
11077
11078       /* check if resizing of level results in change of border border */
11079       SetBorderElement();
11080
11081       break;
11082
11083     default:
11084       break;
11085   }
11086
11087   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
11088        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
11089       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
11090        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
11091     CopyElementPropertiesToGame(properties_element);
11092
11093   level.changed = TRUE;
11094 }
11095
11096 static void HandleTextInputGadgets(struct GadgetInfo *gi)
11097 {
11098   int type_id = gi->custom_type_id;
11099
11100   strcpy(textinput_info[type_id].value, gi->textinput.value);
11101
11102   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
11103   {
11104     CopyElementPropertiesToGame(properties_element);
11105
11106     ModifyEditorElementList();  /* update changed button info text */
11107   }
11108
11109   level.changed = TRUE;
11110 }
11111
11112 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
11113 {
11114   int type_id = gi->custom_type_id;
11115
11116   strncpy(textarea_info[type_id].value, gi->textarea.value,
11117           MAX_ENVELOPE_TEXT_LEN);
11118   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
11119
11120   level.changed = TRUE;
11121 }
11122
11123 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
11124 {
11125   int type_id = gi->custom_type_id;
11126   int value_old = *selectbox_info[type_id].value;
11127   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
11128
11129   *selectbox_info[type_id].value = value_new;
11130
11131   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
11132   {
11133     element_info[properties_element].current_change_page = gi->selectbox.index;
11134
11135     DrawPropertiesWindow();
11136   }
11137   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
11138             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
11139            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
11140             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
11141            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
11142   {
11143     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
11144     {
11145       /* when changing action type, also check action mode and action arg */
11146       if (value_old != value_new)
11147         setSelectboxSpecialActionVariablesIfNeeded();
11148
11149       DrawPropertiesChange();
11150     }
11151
11152     CopyElementPropertiesToGame(properties_element);
11153
11154     level.changed = TRUE;
11155   }
11156 }
11157
11158 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
11159 {
11160   int type_id = gi->custom_type_id;
11161   int i;
11162
11163   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
11164       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
11165   {
11166     edit_mode_levelinfo = gi->custom_type_id;
11167
11168     DrawLevelInfoWindow();
11169   }
11170   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
11171            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
11172   {
11173     edit_mode_properties = gi->custom_type_id;
11174
11175     DrawPropertiesWindow();
11176   }
11177   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
11178   {
11179     char *template_filename = getDefaultLevelFilename(-1);
11180     boolean new_template = !fileExists(template_filename);
11181
11182     /* backup original "level.field" (needed to track playfield changes) */
11183     CopyPlayfield(level.field, FieldBackup);
11184
11185     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
11186     CopyPlayfield(Feld, level.field);
11187
11188     if (new_template ||
11189         Request("Save this template and kill the old?", REQ_ASK))
11190       SaveLevelTemplate();
11191
11192     if (new_template)
11193       Request("Template saved!", REQ_CONFIRM);
11194
11195     /* restore original "level.field" (needed to track playfield changes) */
11196     CopyPlayfield(FieldBackup, level.field);
11197   }
11198   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
11199            custom_element.num_change_pages < MAX_CHANGE_PAGES)
11200   {
11201     struct ElementInfo *ei = &element_info[properties_element];
11202
11203     setElementChangePages(ei, ei->num_change_pages + 1);
11204
11205     /* set new change page to be new current change page */
11206     ei->current_change_page = ei->num_change_pages - 1;
11207     ei->change = &ei->change_page[ei->current_change_page];
11208
11209     setElementChangeInfoToDefaults(ei->change);
11210
11211     DrawPropertiesWindow();
11212
11213     level.changed = TRUE;
11214   }
11215   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
11216            custom_element.num_change_pages > MIN_CHANGE_PAGES)
11217   {
11218     struct ElementInfo *ei = &element_info[properties_element];
11219
11220     /* copy all change pages after change page to be deleted */
11221     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
11222       ei->change_page[i] = ei->change_page[i + 1];
11223
11224     setElementChangePages(ei, ei->num_change_pages - 1);
11225
11226     DrawPropertiesWindow();
11227
11228     level.changed = TRUE;
11229   }
11230 }
11231
11232 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
11233 {
11234   int type_id = gi->custom_type_id;
11235
11236   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
11237       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
11238   {
11239     struct ElementInfo *ei = &element_info[properties_element];
11240     int step = BUTTON_STEPSIZE(gi->event.button);
11241
11242     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
11243     ei->current_change_page += step;
11244
11245     if (ei->current_change_page < 0)
11246       ei->current_change_page = 0;
11247     else if (ei->current_change_page >= ei->num_change_pages)
11248       ei->current_change_page = ei->num_change_pages - 1;
11249
11250     DrawPropertiesWindow();
11251   }
11252   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
11253            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11254   {
11255     struct ElementInfo *ei = &element_info[properties_element];
11256     int current_change_page = ei->current_change_page;
11257
11258     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
11259       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
11260         ei->change_page[current_change_page];
11261     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11262     {
11263       ei->change_page[current_change_page] =
11264         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
11265
11266       level.changed = TRUE;
11267     }
11268
11269     DrawPropertiesWindow();
11270   }
11271 }
11272
11273 static void HandleRadiobuttons(struct GadgetInfo *gi)
11274 {
11275   *radiobutton_info[gi->custom_type_id].value =
11276     radiobutton_info[gi->custom_type_id].checked_value;
11277
11278   level.changed = TRUE;
11279 }
11280
11281 static void HandleCheckbuttons(struct GadgetInfo *gi)
11282 {
11283   int type_id = gi->custom_type_id;
11284
11285   *checkbutton_info[type_id].value ^= TRUE;
11286
11287   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11288       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11289       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11290       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11291          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11292         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11293          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11294        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11295   {
11296     CopyElementPropertiesToGame(properties_element);
11297   }
11298
11299   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11300   {
11301     UpdateCustomElementGraphicGadgets();
11302   }
11303   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11304   {
11305     char *template_filename = getDefaultLevelFilename(-1);
11306
11307     if (level.use_custom_template && !fileExists(template_filename))
11308     {
11309       Request("No level template found!", REQ_CONFIRM);
11310
11311       level.use_custom_template = FALSE;
11312       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11313
11314       return;
11315     }
11316
11317     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11318
11319     DrawEditModeWindow();
11320   }
11321
11322   level.changed = TRUE;
11323 }
11324
11325 static void HandleControlButtons(struct GadgetInfo *gi)
11326 {
11327   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11328   static int last_edit_mode = ED_MODE_DRAWING;
11329   static int last_custom_copy_mode = -1;
11330   int id = gi->custom_id;
11331   int button = gi->event.button;
11332   int step = BUTTON_STEPSIZE(button);
11333   int new_element = BUTTON_ELEMENT(button);
11334   int x, y;
11335
11336   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11337     DrawLevelText(0, 0, 0, TEXT_END);
11338
11339   if (id < ED_NUM_CTRL1_BUTTONS &&
11340       id != GADGET_ID_SINGLE_ITEMS &&
11341       id != GADGET_ID_PICK_ELEMENT &&
11342       edit_mode != ED_MODE_DRAWING &&
11343       drawing_function != GADGET_ID_PICK_ELEMENT &&
11344       !(GetKeyModState() & KMOD_Control))
11345   {
11346     DrawDrawingWindow();
11347     edit_mode = ED_MODE_DRAWING;
11348   }
11349
11350   /* element copy mode active, but no element button pressed => deactivate */
11351   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11352     last_custom_copy_mode = -1;
11353
11354   switch (id)
11355   {
11356     case GADGET_ID_SCROLL_LEFT:
11357       if (level_xpos >= 0)
11358       {
11359         if (lev_fieldx < ed_fieldx - 2)
11360           break;
11361
11362         level_xpos -= step;
11363         if (level_xpos < -1)
11364           level_xpos = -1;
11365         if (button == 1)
11366           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11367         else
11368           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11369
11370         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11371                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11372       }
11373       break;
11374
11375     case GADGET_ID_SCROLL_RIGHT:
11376       if (level_xpos <= lev_fieldx - ed_fieldx)
11377       {
11378         if (lev_fieldx < ed_fieldx - 2)
11379           break;
11380
11381         level_xpos += step;
11382         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11383           level_xpos = lev_fieldx - ed_fieldx + 1;
11384         if (button == 1)
11385           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11386         else
11387           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11388
11389         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11390                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11391       }
11392       break;
11393
11394     case GADGET_ID_SCROLL_UP:
11395       if (level_ypos >= 0)
11396       {
11397         if (lev_fieldy < ed_fieldy - 2)
11398           break;
11399
11400         level_ypos -= step;
11401         if (level_ypos < -1)
11402           level_ypos = -1;
11403         if (button == 1)
11404           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11405         else
11406           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11407
11408         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11409                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11410       }
11411       break;
11412
11413     case GADGET_ID_SCROLL_DOWN:
11414       if (level_ypos <= lev_fieldy - ed_fieldy)
11415       {
11416         if (lev_fieldy < ed_fieldy - 2)
11417           break;
11418
11419         level_ypos += step;
11420         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11421           level_ypos = lev_fieldy - ed_fieldy + 1;
11422         if (button == 1)
11423           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11424         else
11425           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11426
11427         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11428                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11429       }
11430       break;
11431
11432     case GADGET_ID_SCROLL_HORIZONTAL:
11433       level_xpos = gi->event.item_position - 1;
11434       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11435       break;
11436
11437     case GADGET_ID_SCROLL_VERTICAL:
11438       level_ypos = gi->event.item_position - 1;
11439       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11440       break;
11441
11442     case GADGET_ID_SCROLL_LIST_UP:
11443     case GADGET_ID_SCROLL_LIST_DOWN:
11444     case GADGET_ID_SCROLL_LIST_VERTICAL:
11445       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11446         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11447       else
11448       {
11449         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11450         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11451
11452         if (element_shift < 0)
11453           element_shift = 0;
11454         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11455           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11456
11457         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11458                      GDI_SCROLLBAR_ITEM_POSITION,
11459                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11460       }
11461
11462       ModifyEditorElementList();
11463
11464       break;
11465
11466     case GADGET_ID_PROPERTIES:
11467       if (edit_mode != ED_MODE_PROPERTIES)
11468       {
11469         properties_element = new_element;
11470         DrawPropertiesWindow();
11471         edit_mode = ED_MODE_PROPERTIES;
11472
11473         last_level_drawing_function = drawing_function;
11474         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11475                       MB_LEFTBUTTON);
11476       }
11477       else
11478       {
11479         DrawDrawingWindow();
11480         edit_mode = ED_MODE_DRAWING;
11481
11482         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11483                       MB_LEFTBUTTON);
11484       }
11485       break;
11486
11487     case GADGET_ID_WRAP_LEFT:
11488       WrapLevel(-step, 0);
11489       break;
11490
11491     case GADGET_ID_WRAP_RIGHT:
11492       WrapLevel(step, 0);
11493       break;
11494
11495     case GADGET_ID_WRAP_UP:
11496       WrapLevel(0, -step);
11497       break;
11498
11499     case GADGET_ID_WRAP_DOWN:
11500       WrapLevel(0, step);
11501       break;
11502
11503     case GADGET_ID_SINGLE_ITEMS:
11504     case GADGET_ID_CONNECTED_ITEMS:
11505     case GADGET_ID_LINE:
11506     case GADGET_ID_ARC:
11507     case GADGET_ID_TEXT:
11508     case GADGET_ID_RECTANGLE:
11509     case GADGET_ID_FILLED_BOX:
11510     case GADGET_ID_FLOOD_FILL:
11511     case GADGET_ID_GRAB_BRUSH:
11512     case GADGET_ID_PICK_ELEMENT:
11513       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11514         last_drawing_function = drawing_function;
11515       drawing_function = id;
11516       draw_with_brush = FALSE;
11517       break;
11518
11519     case GADGET_ID_RANDOM_PLACEMENT:
11520       RandomPlacement(new_element);
11521       break;
11522
11523     case GADGET_ID_ZOOM:
11524       // zoom level editor tile size in or out (or reset to default size)
11525       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
11526                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
11527                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
11528
11529       // limit zoom level by upper and lower bound
11530       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
11531
11532       InitZoomLevelSettings();
11533
11534       if (edit_mode == ED_MODE_DRAWING)
11535         DrawDrawingWindow();
11536
11537       break;
11538
11539     case GADGET_ID_CUSTOM_COPY_FROM:
11540     case GADGET_ID_CUSTOM_COPY_TO:
11541     case GADGET_ID_CUSTOM_EXCHANGE:
11542       last_custom_copy_mode = id;
11543       last_drawing_function = drawing_function;
11544       break;
11545
11546     case GADGET_ID_CUSTOM_COPY:
11547       CopyCustomElement(properties_element, -1, id);
11548       break;
11549
11550     case GADGET_ID_CUSTOM_PASTE:
11551       CopyCustomElement(-1, properties_element, id);
11552       break;
11553
11554     case GADGET_ID_UNDO:
11555       if (button == 1 && undo_buffer_steps == 0)
11556       {
11557         Request("Undo buffer empty!", REQ_CONFIRM);
11558
11559         break;
11560       }
11561       else if (button == 2)
11562       {
11563         break;
11564       }
11565       else if (button == 3 && redo_buffer_steps == 0)
11566       {
11567         Request("Redo buffer empty!", REQ_CONFIRM);
11568
11569         break;
11570       }
11571
11572       if (edit_mode != ED_MODE_DRAWING)
11573       {
11574         DrawDrawingWindow();
11575         edit_mode = ED_MODE_DRAWING;
11576       }
11577
11578       if (button == 1)
11579       {
11580         /* undo */
11581
11582         undo_buffer_position =
11583           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11584
11585         undo_buffer_steps--;
11586         redo_buffer_steps++;
11587       }
11588       else
11589       {
11590         /* redo */
11591
11592         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
11593
11594         undo_buffer_steps++;
11595         redo_buffer_steps--;
11596       }
11597
11598       for (x = 0; x < lev_fieldx; x++)
11599         for (y = 0; y < lev_fieldy; y++)
11600           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11601
11602       /* check if undo operation forces change of border style */
11603       CheckLevelBorderElement(FALSE);
11604
11605       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11606
11607       break;
11608
11609     case GADGET_ID_INFO:
11610       if (edit_mode != ED_MODE_INFO)
11611       {
11612         last_edit_mode = edit_mode;
11613         edit_mode = ED_MODE_INFO;
11614
11615         DrawLevelInfoWindow();
11616       }
11617       else
11618       {
11619         edit_mode = last_edit_mode;
11620
11621         DrawEditModeWindow();
11622       }
11623       break;
11624
11625     case GADGET_ID_CLEAR:
11626       if (edit_mode != ED_MODE_DRAWING)
11627       {
11628         DrawDrawingWindow();
11629         edit_mode = ED_MODE_DRAWING;
11630       }
11631
11632       for (x = 0; x < MAX_LEV_FIELDX; x++)
11633         for (y = 0; y < MAX_LEV_FIELDY; y++)
11634           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11635
11636       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11637
11638       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11639       break;
11640
11641     case GADGET_ID_SAVE:
11642     {
11643       /* saving read-only levels into personal level set modifies global vars
11644          "leveldir_current" and "level_nr"; restore them after saving level */
11645       LevelDirTree *leveldir_former = leveldir_current;
11646       int level_nr_former = level_nr;
11647       char *level_filename;
11648       boolean new_level;
11649
11650       if (leveldir_current->readonly &&
11651           !PrepareSavingIntoPersonalLevelSet())
11652         break;
11653
11654       level_filename = getDefaultLevelFilename(level_nr);
11655       new_level = !fileExists(level_filename);
11656
11657       if (new_level ||
11658           Request("Save this level and kill the old?", REQ_ASK))
11659       {
11660         if (leveldir_former->readonly)
11661           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11662
11663         CopyPlayfield(Feld, level.field);
11664         SaveLevel(level_nr);
11665
11666         level.changed = FALSE;
11667
11668         if (new_level)
11669         {
11670           char level_saved_msg[64];
11671
11672           if (leveldir_former->readonly)
11673             sprintf(level_saved_msg,
11674                     "Level saved as level %d into personal level set!",
11675                     level_nr);
11676           else
11677             strcpy(level_saved_msg, "Level saved!");
11678
11679           Request(level_saved_msg, REQ_CONFIRM);
11680         }
11681       }
11682
11683       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11684       leveldir_current = leveldir_former;
11685       level_nr = level_nr_former;
11686
11687       break;
11688     }
11689
11690     case GADGET_ID_TEST:
11691       if (LevelChanged())
11692         level.game_version = GAME_VERSION_ACTUAL;
11693
11694       CopyPlayfield(level.field, FieldBackup);
11695       CopyPlayfield(Feld, level.field);
11696
11697       CopyNativeLevel_RND_to_Native(&level);
11698
11699       UnmapLevelEditorGadgets();
11700       UndrawSpecialEditorDoor();
11701
11702       CloseDoor(DOOR_CLOSE_ALL);
11703
11704       /* needed before playing if editor playfield area has different size */
11705       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
11706
11707       // redraw_mask = REDRAW_ALL;
11708
11709       level_editor_test_game = TRUE;
11710
11711       StartGameActions(FALSE, setup.autorecord, level.random_seed);
11712
11713       break;
11714
11715     case GADGET_ID_EXIT:
11716       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11717       break;
11718
11719     default:
11720       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11721           id <= GADGET_ID_ELEMENTLIST_LAST)
11722       {
11723         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11724         int new_element = editor_elements[element_position + element_shift];
11725
11726         if (IS_EDITOR_CASCADE(new_element))
11727         {
11728           int i;
11729
11730           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11731           {
11732             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11733             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11734
11735             if (*cascade_element == new_element)
11736             {
11737               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11738               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11739
11740               /* update element selection list */
11741               ReinitializeElementList();
11742               ModifyEditorElementList();
11743
11744               /* update cascading gadget info text */
11745               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11746
11747               /* save current editor cascading state */
11748               SaveSetup_EditorCascade();
11749
11750               break;
11751             }
11752           }
11753
11754           break;
11755         }
11756
11757         if (last_custom_copy_mode != -1)
11758         {
11759           if (CopyCustomElement(properties_element, new_element,
11760                                 last_custom_copy_mode))
11761           {
11762             ClickOnGadget(level_editor_gadget[last_drawing_function],
11763                           MB_LEFTBUTTON);
11764
11765             last_custom_copy_mode = -1;
11766           }
11767
11768           break;
11769         }
11770
11771         PickDrawingElement(button, new_element);
11772
11773         if (!stick_element_properties_window &&
11774             drawing_function != GADGET_ID_PICK_ELEMENT &&
11775             !(GetKeyModState() & KMOD_Control))
11776         {
11777           properties_element = new_element;
11778           if (edit_mode == ED_MODE_PROPERTIES)
11779             DrawPropertiesWindow();
11780         }
11781
11782         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11783           ClickOnGadget(level_editor_gadget[last_drawing_function],
11784                         MB_LEFTBUTTON);
11785       }
11786 #ifdef DEBUG
11787       else if (gi->event.type == GD_EVENT_PRESSED)
11788         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11789       else if (gi->event.type == GD_EVENT_RELEASED)
11790         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11791       else if (gi->event.type == GD_EVENT_MOVING)
11792         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11793       else
11794         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11795 #endif
11796       break;
11797   }
11798 }
11799
11800 void HandleLevelEditorKeyInput(Key key)
11801 {
11802   char letter = getCharFromKey(key);
11803   int button = MB_LEFTBUTTON;
11804
11805   if (drawing_function == GADGET_ID_TEXT &&
11806       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11807   {
11808     if (letter)
11809       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11810     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11811       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11812     else if (key == KSYM_Return)
11813       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11814     else if (key == KSYM_Escape)
11815       DrawLevelText(0, 0, 0, TEXT_END);
11816   }
11817   else if (button_status == MB_RELEASED)
11818   {
11819     int id = GADGET_ID_NONE;
11820     int new_element_shift = element_shift;
11821     int i;
11822
11823     switch (key)
11824     {
11825       case KSYM_Left:
11826         id = GADGET_ID_SCROLL_LEFT;
11827         break;
11828       case KSYM_Right:
11829         id = GADGET_ID_SCROLL_RIGHT;
11830         break;
11831       case KSYM_Up:
11832         id = GADGET_ID_SCROLL_UP;
11833         break;
11834       case KSYM_Down:
11835         id = GADGET_ID_SCROLL_DOWN;
11836         break;
11837       case KSYM_Page_Up:
11838         id = GADGET_ID_SCROLL_LIST_UP;
11839         button = ED_ELEMENTLIST_BUTTONS_VERT - 1;
11840         break;
11841       case KSYM_Page_Down:
11842         id = GADGET_ID_SCROLL_LIST_DOWN;
11843         button = ED_ELEMENTLIST_BUTTONS_VERT - 1;
11844         break;
11845
11846       case KSYM_Home:
11847       case KSYM_End:
11848         element_shift = (key == KSYM_Home ? 0 :
11849                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11850
11851         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11852                      GDI_SCROLLBAR_ITEM_POSITION,
11853                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11854
11855         ModifyEditorElementList();
11856
11857         break;
11858
11859       case KSYM_Insert:
11860       case KSYM_Delete:
11861
11862         /* this is needed to prevent interference with running "True X-Mouse" */
11863         if (GetKeyModStateFromEvents() & KMOD_Control)
11864           break;
11865
11866         /* check for last or next editor cascade block in element list */
11867         for (i = 0; i < num_editor_elements; i++)
11868         {
11869           if ((key == KSYM_Insert && i == element_shift) ||
11870               (key == KSYM_Delete && new_element_shift > element_shift))
11871             break;
11872
11873           /* jump to next cascade block (or to start of element list) */
11874           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11875             new_element_shift = i;
11876         }
11877
11878         if (i < num_editor_elements)
11879           element_shift = new_element_shift;
11880
11881         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11882           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11883
11884         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11885                      GDI_SCROLLBAR_ITEM_POSITION,
11886                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11887
11888         ModifyEditorElementList();
11889
11890         break;
11891
11892       case KSYM_Escape:
11893         if (edit_mode == ED_MODE_DRAWING)
11894         {
11895           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11896         }
11897         else if (edit_mode == ED_MODE_INFO)
11898         {
11899           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11900         }
11901         else if (edit_mode == ED_MODE_PROPERTIES)
11902         {
11903           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11904         }
11905         else            /* should never happen */
11906         {
11907           DrawDrawingWindow();
11908           edit_mode = ED_MODE_DRAWING;
11909         }
11910
11911         break;
11912
11913       default:
11914         break;
11915     }
11916
11917     if (id != GADGET_ID_NONE)
11918       ClickOnGadget(level_editor_gadget[id], button);
11919     else if (letter >= '1' && letter <= '3')
11920       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], letter - '0');
11921     else if (letter == '?')
11922       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], button);
11923     else if (letter == '.')
11924       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11925     else if (letter == 'U')
11926       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
11927     else if (key == KSYM_KP_Subtract)
11928       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
11929     else if (key == KSYM_KP_0 || letter == '0')
11930       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
11931     else if (key == KSYM_KP_Add || letter == '+')
11932       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
11933     else if (key == KSYM_Return ||
11934              key == KSYM_space ||
11935              key == setup.shortcut.toggle_pause)
11936       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
11937     else
11938       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
11939         if (letter && letter == controlbutton_info[i].shortcut)
11940           if (!anyTextGadgetActive())
11941             ClickOnGadget(level_editor_gadget[i], button);
11942   }
11943 }
11944
11945 void HandleLevelEditorIdle()
11946 {
11947   static unsigned int action_delay = 0;
11948   unsigned int action_delay_value = GameFrameDelay;
11949   int xpos = 1, ypos = 2;
11950   int i;
11951
11952   if (edit_mode != ED_MODE_PROPERTIES)
11953     return;
11954
11955   if (!DelayReached(&action_delay, action_delay_value))
11956     return;
11957
11958   for (i = 0; i < ED_NUM_SELECTBOX; i++)
11959   {
11960     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
11961
11962     if (gi->mapped && gi->active && gi->selectbox.open)
11963       return;
11964   }
11965
11966   DrawEditorElementAnimation(SX + xpos * TILEX,
11967                              SY + ypos * TILEY + MINI_TILEY / 2);
11968
11969   MarkTileDirty(xpos, ypos);
11970   MarkTileDirty(xpos, ypos + 1);
11971
11972   FrameCounter++;       /* increase animation frame counter */
11973 }
11974
11975 void ClearEditorGadgetInfoText()
11976 {
11977   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
11978 }
11979
11980 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
11981 {
11982   char infotext[MAX_OUTPUT_LINESIZE + 1];
11983   char shortcut[MAX_OUTPUT_LINESIZE + 1];
11984   int max_infotext_len = getMaxInfoTextLength();
11985
11986   if (gi == NULL || gi->info_text == NULL)
11987     return;
11988
11989   strncpy(infotext, gi->info_text, max_infotext_len);
11990   infotext[max_infotext_len] = '\0';
11991
11992   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
11993   {
11994     int key = controlbutton_info[gi->custom_id].shortcut;
11995
11996     if (key)
11997     {
11998       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
11999         sprintf(shortcut, " ('.' or '%c')", key);
12000       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
12001         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
12002       else if (gi->custom_id == GADGET_ID_TEST)
12003         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
12004       else if (gi->custom_id == GADGET_ID_UNDO)
12005         sprintf(shortcut, " ('%c/Shift-U')", key);
12006       else if (gi->custom_id == GADGET_ID_ZOOM)
12007         sprintf(shortcut, " ('%c', '0', '+')", key);
12008       else
12009         sprintf(shortcut, " ('%s%c')",
12010                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
12011
12012       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
12013         strcat(infotext, shortcut);
12014     }
12015   }
12016
12017   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
12018 }
12019
12020 void HandleEditorGadgetInfoText(void *ptr)
12021 {
12022   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
12023
12024   if (game_status != GAME_MODE_EDITOR)
12025     return;
12026
12027   ClearEditorGadgetInfoText();
12028
12029   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
12030     return;
12031
12032   /* misuse this function to delete brush cursor, if needed */
12033   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
12034     DeleteBrushFromCursor();
12035
12036   PrintEditorGadgetInfoText(gi);
12037 }
12038
12039 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
12040 {
12041   static int start_lx, start_ly;
12042   int id = gi->custom_id;
12043   int type_id = gi->custom_type_id;
12044   int sx = gi->event.x;
12045   int sy = gi->event.y;
12046   int lx = sx + level_xpos;
12047   int ly = sy + level_ypos;
12048   int min_sx = 0, min_sy = 0;
12049   int max_sx = gi->drawing.area_xsize - 1;
12050   int max_sy = gi->drawing.area_ysize - 1;
12051   int actual_drawing_function = drawing_function;
12052   int max_infotext_len = getMaxInfoTextLength();
12053   char infotext[MAX_OUTPUT_LINESIZE + 1];
12054   char *text;
12055
12056   infotext[0] = '\0';           /* start with empty info text */
12057
12058   /* pressed Control key: simulate picking element */
12059   if (GetKeyModState() & KMOD_Control)
12060     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12061
12062   ClearEditorGadgetInfoText();
12063
12064   if (gi->event.type == GD_EVENT_INFO_LEAVING)
12065     return;
12066
12067   /* make sure to stay inside drawing area boundaries */
12068   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12069   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12070
12071   if (id == GADGET_ID_DRAWING_LEVEL)
12072   {
12073     if (button_status)
12074     {
12075       int min_lx = 0, min_ly = 0;
12076       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12077
12078       /* get positions inside level field */
12079       lx = sx + level_xpos;
12080       ly = sy + level_ypos;
12081
12082       /* make sure to stay inside level field boundaries */
12083       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12084       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12085
12086       /* correct drawing area positions accordingly */
12087       sx = lx - level_xpos;
12088       sy = ly - level_ypos;
12089     }
12090
12091     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
12092     {
12093       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
12094       {
12095         if (gi->event.type == GD_EVENT_PRESSED)
12096         {
12097           start_lx = lx;
12098           start_ly = ly;
12099         }
12100
12101         switch (actual_drawing_function)
12102         {
12103           case GADGET_ID_SINGLE_ITEMS:
12104             text = "Drawing single items";
12105             break;
12106           case GADGET_ID_CONNECTED_ITEMS:
12107             text = "Drawing connected items";
12108             break;
12109           case GADGET_ID_LINE:
12110             text = "Drawing line";
12111             break;
12112           case GADGET_ID_ARC:
12113             text = "Drawing arc";
12114             break;
12115           case GADGET_ID_TEXT:
12116             text = "Setting text cursor";
12117             break;
12118           case GADGET_ID_RECTANGLE:
12119             text = "Drawing rectangle";
12120             break;
12121           case GADGET_ID_FILLED_BOX:
12122             text = "Drawing filled box";
12123             break;
12124           case GADGET_ID_FLOOD_FILL:
12125             text = "Flood fill";
12126             break;
12127           case GADGET_ID_GRAB_BRUSH:
12128             text = "Grabbing brush";
12129             break;
12130           case GADGET_ID_PICK_ELEMENT:
12131             text = "Picking element";
12132             break;
12133
12134           default:
12135             text = "Drawing position";
12136             break;
12137         }
12138
12139         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12140           sprintf(infotext, "%s: %d, %d", text, lx, ly);
12141         else
12142           sprintf(infotext, "%s: %d, %d", text,
12143                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
12144       }
12145       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12146         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
12147       else
12148         sprintf(infotext, "Level position: %d, %d", lx, ly);
12149     }
12150
12151     /* misuse this function to draw brush cursor, if needed */
12152     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
12153     {
12154       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12155         CopyBrushToCursor(sx, sy);
12156       else
12157         DeleteBrushFromCursor();
12158     }
12159   }
12160   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12161   {
12162     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12163     int element = drawingarea_info[type_id].value[pos];
12164
12165     strncpy(infotext, getElementInfoText(element), max_infotext_len);
12166   }
12167   else
12168   {
12169     if (id == GADGET_ID_CUSTOM_CONTENT)
12170       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
12171     else if (id == GADGET_ID_GROUP_CONTENT)
12172       sprintf(infotext, "group element position: %d", sx + 1);
12173     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
12174              id <= GADGET_ID_YAMYAM_CONTENT_7)
12175       sprintf(infotext, "content area %d position: %d, %d",
12176               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
12177     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
12178              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
12179       sprintf(infotext, "content area %d position: %d, %d",
12180               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
12181     else if (id == GADGET_ID_ANDROID_CONTENT)
12182       sprintf(infotext, "android element position: %d", sx + 1);
12183     else if (drawingarea_info[type_id].infotext != NULL)
12184       strcpy(infotext, drawingarea_info[type_id].infotext);
12185   }
12186
12187   infotext[max_infotext_len] = '\0';
12188
12189   if (strlen(infotext) > 0)
12190     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
12191 }
12192
12193 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
12194                             boolean quick_quit)
12195 {
12196   if (!ask_if_level_has_changed ||
12197       !LevelChanged() ||
12198       Request("Level has changed! Exit without saving?",
12199               REQ_ASK | REQ_STAY_OPEN))
12200   {
12201     SetDoorState(DOOR_CLOSE_2);
12202
12203     if (quick_quit)
12204       FadeSkipNextFadeIn();
12205
12206     game_status = GAME_MODE_MAIN;
12207
12208     DrawAndFadeInMainMenu(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
12209   }
12210   else
12211   {
12212     if (!global.use_envelope_request)
12213     {
12214       CloseDoor(DOOR_CLOSE_1);
12215       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
12216     }
12217   }
12218 }