src/editor.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2002 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * editor.c                                                 *
  12 ***********************************************************/
  13
  14 #include <math.h>
  15
  16 #include "libgame/libgame.h"
  17
  18 #include "editor.h"
  19 #include "screens.h"
  20 #include "tools.h"
  21 #include "files.h"
  22 #include "game.h"
  23 #include "tape.h"
  24
  25
  26 /*
  27   -----------------------------------------------------------------------------
  28   screen and artwork graphic pixel position definitions
  29   -----------------------------------------------------------------------------
  30 */
  31
  32 /* positions in the level editor */
  33 #define ED_WIN_MB_LEFT_XPOS             6
  34 #define ED_WIN_MB_LEFT_YPOS             258
  35 #define ED_WIN_MB_MIDDLE_XPOS           42
  36 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  37 #define ED_WIN_MB_RIGHT_XPOS            78
  38 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  39
  40 /* values for the control window */
  41 #define ED_CTRL_BUTTONS_GFX_YPOS        236
  42 #define ED_CTRL_BUTTONS_ALT_GFX_YPOS    142
  43
  44 #define ED_CTRL1_BUTTONS_HORIZ          4
  45 #define ED_CTRL1_BUTTONS_VERT           4
  46 #define ED_CTRL1_BUTTON_XSIZE           22
  47 #define ED_CTRL1_BUTTON_YSIZE           22
  48 #define ED_CTRL1_BUTTONS_XPOS           6
  49 #define ED_CTRL1_BUTTONS_YPOS           6
  50 #define ED_CTRL2_BUTTONS_HORIZ          3
  51 #define ED_CTRL2_BUTTONS_VERT           2
  52 #define ED_CTRL2_BUTTON_XSIZE           30
  53 #define ED_CTRL2_BUTTON_YSIZE           20
  54 #define ED_CTRL2_BUTTONS_XPOS           5
  55 #define ED_CTRL2_BUTTONS_YPOS           99
  56 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  57 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  58 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
  59
  60 /* values for the element list */
  61 #define ED_ELEMENTLIST_XPOS             5
  62 #define ED_ELEMENTLIST_YPOS             30
  63 #define ED_ELEMENTLIST_XSIZE            20
  64 #define ED_ELEMENTLIST_YSIZE            20
  65 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  66 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  67 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  68                                          ED_ELEMENTLIST_BUTTONS_VERT)
  69
  70 /* standard distances */
  71 #define ED_BORDER_SIZE                  3
  72 #define ED_BORDER2_SIZE                 5
  73 #define ED_GADGET_DISTANCE              2
  74
  75 /* values for the setting windows */
  76 #define ED_SETTINGS_XSTART              (3 * MINI_TILEX / 2)
  77 #define ED_SETTINGS_YSTART              (MINI_TILEY * 10)
  78
  79 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE + \
  80                                          2 * ED_GADGET_DISTANCE)
  81 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
  82
  83 #define ED_SETTINGS_XPOS(n)             (ED_SETTINGS_XSTART + \
  84                                          n * ED_SETTINGS_XOFFSET)
  85 #define ED_SETTINGS_YPOS(n)             (ED_SETTINGS_YSTART + \
  86                                          n * ED_SETTINGS_YOFFSET)
  87
  88 #define ED_SETTINGS1_YPOS               MINI_TILEY
  89 #define ED_SETTINGS2_XPOS               MINI_TILEX
  90 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
  91
  92 /* values for counter gadgets */
  93 #define ED_COUNT_ELEMENT_SCORE_XPOS     ED_SETTINGS_XPOS(0)
  94 #define ED_COUNT_ELEMENT_SCORE_YPOS     ED_SETTINGS_YPOS(0)
  95 #define ED_COUNT_ELEMENT_CONTENT_XPOS   ED_SETTINGS_XPOS(0)
  96 #define ED_COUNT_ELEMENT_CONTENT_YPOS   ED_SETTINGS_YPOS(6)
  97
  98 #define ED_COUNT_CHANGE_DELAY_XPOS      (ED_SETTINGS_XPOS(1) + 9 * MINI_TILEX)
  99
 100 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 101 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 102 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
 103                                          n * ED_COUNTER_YDISTANCE)
 104 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 105                                          n * ED_COUNTER_YDISTANCE - 2)
 106
 107 /* values for element content drawing areas */
 108 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 109 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 110
 111 #define ED_AREA_ELEM_CONTENT2_XPOS      (20 * MINI_TILEX)
 112 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(1) + \
 113                                          ED_GADGET_DISTANCE)
 114
 115 #define ED_AREA_ELEM_CONTENT3_XPOS      (24 * MINI_TILEX)
 116 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(2) + \
 117                                          ED_GADGET_DISTANCE)
 118
 119 #define ED_AREA_ELEM_CONTENT4_XPOS      (17 * MINI_TILEX)
 120 #define ED_AREA_ELEM_CONTENT4_YPOS      (ED_SETTINGS_YPOS(8) + \
 121                                          ED_GADGET_DISTANCE - MINI_TILEY)
 122
 123 /* values for random placement background drawing area */
 124 #define ED_AREA_RANDOM_BACKGROUND_XPOS  (29 * MINI_TILEX)
 125 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 126
 127 /* values for scrolling gadgets for drawing area */
 128 #define ED_SCROLLBUTTON_XPOS            24
 129 #define ED_SCROLLBUTTON_YPOS            0
 130 #define ED_SCROLLBAR_XPOS               24
 131 #define ED_SCROLLBAR_YPOS               64
 132
 133 #define ED_SCROLLBUTTON_XSIZE           16
 134 #define ED_SCROLLBUTTON_YSIZE           16
 135
 136 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 137 #define ED_SCROLL_UP_YPOS               (0)
 138 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 139 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 140 #define ED_SCROLL_LEFT_XPOS             (0)
 141 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 142 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 143 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 144 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 145 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 146 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 147 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 148 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 149 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 150 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 151 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 152
 153 /* values for scrolling gadgets for element list */
 154 #define ED_SCROLLBUTTON2_XPOS           50
 155 #define ED_SCROLLBUTTON2_YPOS           0
 156 #define ED_SCROLLBAR2_XPOS              50
 157 #define ED_SCROLLBAR2_YPOS              20
 158
 159 #define ED_SCROLLBUTTON2_XSIZE          10
 160 #define ED_SCROLLBUTTON2_YSIZE          10
 161
 162 #define ED_SCROLL2_UP_XPOS              85
 163 #define ED_SCROLL2_UP_YPOS              30
 164 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 165 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 166                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 167                                          ED_ELEMENTLIST_YSIZE - \
 168                                          ED_SCROLLBUTTON2_YSIZE)
 169 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 170 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 171                                          ED_SCROLLBUTTON2_YSIZE)
 172 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 173 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 174                                          ED_ELEMENTLIST_YSIZE - \
 175                                          2 * ED_SCROLLBUTTON2_YSIZE)
 176
 177 /* values for checkbutton gadgets */
 178 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 179 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 180 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 181 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 182 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 183 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 184 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 185
 186 /* some positions in the editor control window */
 187 #define ED_BUTTON_ELEM_XPOS             6
 188 #define ED_BUTTON_ELEM_YPOS             30
 189 #define ED_BUTTON_ELEM_XSIZE            22
 190 #define ED_BUTTON_ELEM_YSIZE            22
 191
 192 /* some values for text input, selectbox and counter gadgets */
 193 #define ED_BUTTON_COUNT_YPOS            60
 194 #define ED_BUTTON_COUNT_XSIZE           20
 195 #define ED_BUTTON_COUNT_YSIZE           20
 196 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 197 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 198 #define ED_WIN_COUNT_XSIZE              52
 199 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 200 #define ED_WIN_COUNT2_XPOS              27
 201 #define ED_WIN_COUNT2_YPOS              3
 202 #define ED_WIN_COUNT2_XSIZE             46
 203 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 204
 205 #define ED_BUTTON_MINUS_XPOS            2
 206 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 207 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 208 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 209 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 210                                          ED_WIN_COUNT_XSIZE + 2)
 211 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 212 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 213 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 214
 215 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 216 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 217                                          2 + ED_WIN_COUNT_YSIZE)
 218 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 219 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 220
 221 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 222 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 223                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 224 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 225
 226 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 227 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS + \
 228                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 229 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS + \
 230                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 231
 232 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 233 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 234
 235 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 236 #define INFOTEXT_XPOS                   SX
 237 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 238 #define INFOTEXT_XSIZE                  SXSIZE
 239 #define INFOTEXT_YSIZE                  MINI_TILEX
 240
 241
 242 /*
 243   -----------------------------------------------------------------------------
 244   editor gadget definitions
 245   -----------------------------------------------------------------------------
 246 */
 247
 248 /* drawing toolbox buttons */
 249 #define GADGET_ID_NONE                  -1
 250 #define GADGET_ID_TOOLBOX_FIRST         0
 251
 252 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 253 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 254 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 255 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 256 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 257 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 258 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 259 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 260 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 261 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 262 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 263 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 264 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 265 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 266 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 267 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 268 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 269 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 270 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 271 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 272 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 273 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 274
 275 /* counter button identifiers */
 276 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 277
 278 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 279 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 280 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 281 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 282 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 283 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 284 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 285 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 286 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 287 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 288 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 289 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 290 #define GADGET_ID_LEVEL_COLLECT_DOWN    (GADGET_ID_COUNTER_FIRST + 12)
 291 #define GADGET_ID_LEVEL_COLLECT_TEXT    (GADGET_ID_COUNTER_FIRST + 13)
 292 #define GADGET_ID_LEVEL_COLLECT_UP      (GADGET_ID_COUNTER_FIRST + 14)
 293 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 294 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 295 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 296 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 297 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 298 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 299 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 300 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 301 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 302 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 303 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 304 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 305 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 27)
 306 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 28)
 307 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 29)
 308 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 30)
 309 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 31)
 310 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 32)
 311
 312 /* drawing area identifiers */
 313 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 33)
 314
 315 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 316 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 317 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 318 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 319 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 320 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 321 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 322 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 323 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 324 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 325 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 326 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 327 #define GADGET_ID_CUSTOM_CHANGED        (GADGET_ID_DRAWING_AREA_FIRST + 12)
 328 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 13)
 329
 330 /* text input identifiers */
 331 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 14)
 332
 333 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 334 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 335
 336 /* selectbox identifiers */
 337 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 2)
 338
 339 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 0)
 340 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 1)
 341 #define GADGET_ID_CUSTOM_WALKABLE_LAYER (GADGET_ID_SELECTBOX_FIRST + 2)
 342 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 3)
 343 #define GADGET_ID_CHANGE_CAUSE          (GADGET_ID_SELECTBOX_FIRST + 4)
 344
 345 /* textbutton identifiers */
 346 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 5)
 347
 348 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 349 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 350 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 351 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 3)
 352
 353 /* gadgets for scrolling of drawing area */
 354 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_TEXTBUTTON_FIRST + 4)
 355
 356 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 357 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 358 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 359 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 360 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 361 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 362
 363 /* gadgets for scrolling element list */
 364 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 365
 366 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 367 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 368 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 369
 370 /* buttons for level/element properties */
 371 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 372
 373 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 374 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 375 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 376 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 377 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 378 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 379 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 380 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 7)
 381 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 8)
 382 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 9)
 383 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 10)
 384 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 11)
 385 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 12)
 386 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 387 #define GADGET_ID_CUSTOM_WALKABLE       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 388 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 15)
 389 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 16)
 390 #define GADGET_ID_CUSTOM_CHANGEABLE     (GADGET_ID_CHECKBUTTON_FIRST + 17)
 391 #define GADGET_ID_CHANGE_DELAY_FIXED    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 392 #define GADGET_ID_CHANGE_DELAY_RANDOM   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 393
 394 /* gadgets for buttons in element list */
 395 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 396 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 397                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 398
 399 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 400
 401 /* radio button numbers */
 402 #define RADIO_NR_NONE                   0
 403 #define RADIO_NR_DRAWING_TOOLBOX        1
 404 #define RADIO_NR_RANDOM_ELEMENTS        2
 405
 406 /* values for counter gadgets */
 407 #define ED_COUNTER_ID_SELECT_LEVEL      0
 408 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 409 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 410 #define ED_COUNTER_ID_LEVEL_COLLECT     3
 411 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 412 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 413 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 414 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 415 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 416 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  9
 417 #define ED_COUNTER_ID_CHANGE_DELAY_RND  10
 418
 419 #define ED_NUM_COUNTERBUTTONS           11
 420
 421 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 422 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 423
 424 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 425 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_DELAY_RND
 426
 427 /* values for scrollbutton gadgets */
 428 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 429 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 430 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 431 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 432 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 433 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 434
 435 #define ED_NUM_SCROLLBUTTONS            6
 436
 437 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 438 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 439
 440 /* values for scrollbar gadgets */
 441 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 442 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 443 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 444
 445 #define ED_NUM_SCROLLBARS               3
 446
 447 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 448 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 449
 450 /* values for text input gadgets */
 451 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 452 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 453
 454 #define ED_NUM_TEXTINPUT                2
 455
 456 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 457 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 458
 459 /* values for selectbox gadgets */
 460 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   0
 461 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   1
 462 #define ED_SELECTBOX_ID_CUSTOM_WALKABLE_LAYER   2
 463 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       3
 464 #define ED_SELECTBOX_ID_CHANGE_CAUSE            4
 465
 466 #define ED_NUM_SELECTBOX                        5
 467
 468 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 469 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_WALKABLE_LAYER
 470
 471 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 472 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_CHANGE_CAUSE
 473
 474 /* values for textbutton gadgets */
 475 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 476 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 477 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 478 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       3
 479
 480 #define ED_NUM_TEXTBUTTON                       4
 481
 482 /* values for checkbutton gadgets */
 483 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 484 #define ED_CHECKBUTTON_ID_GRAVITY               1
 485 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 486 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 487 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 488 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 5
 489 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 6
 490 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       7
 491 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       8
 492 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      9
 493 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    10
 494 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       11
 495 #define ED_CHECKBUTTON_ID_CUSTOM_WALKABLE       12
 496 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    13
 497 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   14
 498 #define ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE     15
 499 #define ED_CHECKBUTTON_ID_CHANGE_DELAY_FIXED    16
 500 #define ED_CHECKBUTTON_ID_CHANGE_DELAY_RANDOM   17
 501
 502 #define ED_NUM_CHECKBUTTONS                     18
 503
 504 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 505 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 506
 507 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 508 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE
 509
 510 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE
 511 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_DELAY_RANDOM
 512
 513 /* values for radiobutton gadgets */
 514 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 515 #define ED_RADIOBUTTON_ID_QUANTITY      1
 516
 517 #define ED_NUM_RADIOBUTTONS             2
 518
 519 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 520 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 521
 522
 523 /*
 524   -----------------------------------------------------------------------------
 525   some internally used definitions
 526   -----------------------------------------------------------------------------
 527 */
 528
 529 /* values for CopyLevelToUndoBuffer() */
 530 #define UNDO_IMMEDIATE                  0
 531 #define UNDO_ACCUMULATE                 1
 532
 533 /* values for scrollbars */
 534 #define ED_SCROLL_NO                    0
 535 #define ED_SCROLL_LEFT                  1
 536 #define ED_SCROLL_RIGHT                 2
 537 #define ED_SCROLL_UP                    4
 538 #define ED_SCROLL_DOWN                  8
 539
 540 /* screens in the level editor */
 541 #define ED_MODE_DRAWING                 0
 542 #define ED_MODE_INFO                    1
 543 #define ED_MODE_PROPERTIES              2
 544
 545 /* sub-screens in the element properties section */
 546 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 547 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 548 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 549
 550 /* how many steps can be cancelled */
 551 #define NUM_UNDO_STEPS                  (10 + 1)
 552
 553 /* values for elements with score */
 554 #define MIN_SCORE                       0
 555 #define MAX_SCORE                       255
 556
 557 /* values for random placement */
 558 #define RANDOM_USE_PERCENTAGE           0
 559 #define RANDOM_USE_QUANTITY             1
 560
 561 /* maximal size of level editor drawing area */
 562 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 563 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 564
 565
 566 /*
 567   -----------------------------------------------------------------------------
 568   some internally used data structure definitions
 569   -----------------------------------------------------------------------------
 570 */
 571
 572 static struct
 573 {
 574   char shortcut;
 575   char *text;
 576 } control_info[ED_NUM_CTRL_BUTTONS] =
 577 {
 578   { 's',        "draw single items"             },
 579   { 'd',        "draw connected items"          },
 580   { 'l',        "draw lines"                    },
 581   { 'a',        "draw arcs"                     },
 582   { 'r',        "draw outline rectangles"       },
 583   { 'R',        "draw filled rectangles"        },
 584   { '\0',       "wrap (rotate) level up"        },
 585   { 't',        "enter text elements"           },
 586   { 'f',        "flood fill"                    },
 587   { '\0',       "wrap (rotate) level left"      },
 588   { '?',        "properties of drawing element" },
 589   { '\0',       "wrap (rotate) level right"     },
 590   { '\0',       "random element placement"      },
 591   { 'b',        "grab brush"                    },
 592   { '\0',       "wrap (rotate) level down"      },
 593   { ',',        "pick drawing element"          },
 594   { 'U',        "undo last operation"           },
 595   { 'I',        "level properties"              },
 596   { 'S',        "save level"                    },
 597   { 'C',        "clear level"                   },
 598   { 'T',        "test level"                    },
 599   { 'E',        "exit level editor"             }
 600 };
 601
 602 static int random_placement_value = 10;
 603 static int random_placement_method = RANDOM_USE_QUANTITY;
 604 static int random_placement_background_element = EL_SAND;
 605 static boolean random_placement_background_restricted = FALSE;
 606 static boolean stick_element_properties_window = FALSE;
 607 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 608 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 609 static struct CustomElementInfo custom_element;
 610
 611 static struct
 612 {
 613   int x, y;
 614   int min_value, max_value;
 615   int gadget_id_down, gadget_id_up;
 616   int gadget_id_text;
 617   int *value;
 618   char *infotext_above, *infotext_right;
 619 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 620 {
 621   {
 622     DX + 5 - SX,                        DY + 3 - SY,
 623     1,                                  100,
 624     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 625     GADGET_ID_SELECT_LEVEL_TEXT,
 626     &level_nr,
 627     NULL,                               NULL
 628   },
 629   {
 630     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 631     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 632     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 633     GADGET_ID_LEVEL_XSIZE_TEXT,
 634     &level.fieldx,
 635     "playfield size",                   "width",
 636   },
 637   {
 638     ED_SETTINGS_XPOS(0) + 2 * DXSIZE,   ED_COUNTER_YPOS(2),
 639     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 640     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 641     GADGET_ID_LEVEL_YSIZE_TEXT,
 642     &level.fieldy,
 643     NULL,                               "height",
 644   },
 645   {
 646     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 647     0,                                  999,
 648     GADGET_ID_LEVEL_COLLECT_DOWN,       GADGET_ID_LEVEL_COLLECT_UP,
 649     GADGET_ID_LEVEL_COLLECT_TEXT,
 650     &level.gems_needed,
 651     "number of emeralds to collect",    NULL
 652   },
 653   {
 654     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 655     0,                                  999,
 656     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 657     GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 658     &level.time,
 659     "time available to solve level",    "(0 => no time limit)"
 660   },
 661   {
 662     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 663     0,                                  255,
 664     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 665     GADGET_ID_LEVEL_TIMESCORE_TEXT,
 666     &level.score[SC_TIME_BONUS],
 667     "score for each 10 seconds left",   NULL
 668   },
 669   {
 670     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 671     1,                                  100,
 672     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 673     GADGET_ID_LEVEL_RANDOM_TEXT,
 674     &random_placement_value,
 675     "random element placement",         "in"
 676   },
 677   {
 678     ED_COUNT_ELEMENT_SCORE_XPOS,        ED_COUNT_ELEMENT_SCORE_YPOS,
 679     MIN_SCORE,                          MAX_SCORE,
 680     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 681     GADGET_ID_ELEMENT_SCORE_TEXT,
 682     NULL,                               /* will be set when used */
 683     "element score",                    NULL
 684   },
 685   {
 686     ED_COUNT_ELEMENT_CONTENT_XPOS,      ED_COUNT_ELEMENT_CONTENT_YPOS,
 687     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 688     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 689     GADGET_ID_ELEMENT_CONTENT_TEXT,
 690     &level.num_yamyam_contents,
 691     "element content",                  NULL
 692   },
 693   {
 694     ED_COUNT_CHANGE_DELAY_XPOS,         ED_SETTINGS_YPOS(2),
 695     0,                                  999,
 696     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 697     GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 698     &custom_element.change.delay_fixed,
 699     NULL,                               "units (fixed)"
 700   },
 701   {
 702     ED_COUNT_CHANGE_DELAY_XPOS,         ED_SETTINGS_YPOS(3),
 703     0,                                  999,
 704     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 705     GADGET_ID_CHANGE_DELAY_RND_TEXT,
 706     &custom_element.change.delay_random,
 707     NULL,                               "units (random)"
 708   }
 709 };
 710
 711 static struct
 712 {
 713   int x, y;
 714   int gadget_id;
 715   int size;
 716   char *value;
 717   char *infotext;
 718 } textinput_info[ED_NUM_TEXTINPUT] =
 719 {
 720   {
 721     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
 722     GADGET_ID_LEVEL_NAME,
 723     MAX_LEVEL_NAME_LEN,
 724     level.name,
 725     "Title"
 726   },
 727   {
 728     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 729     GADGET_ID_LEVEL_AUTHOR,
 730     MAX_LEVEL_AUTHOR_LEN,
 731     level.author,
 732     "Author"
 733   }
 734 };
 735
 736 static struct ValueTextInfo options_walk_to_action[] =
 737 {
 738   { EP_DIGGABLE,                "diggable"              },
 739   { EP_COLLECTIBLE,             "collectible"           },
 740   { EP_PUSHABLE,                "pushable"              },
 741   { -1,                         NULL                    }
 742 };
 743 static int index_walk_to_action = 0;
 744
 745 static struct ValueTextInfo options_move_direction[] =
 746 {
 747   { MV_BIT_LEFT,                "left"                  },
 748   { MV_BIT_RIGHT,               "right"                 },
 749   { MV_BIT_UP,                  "up"                    },
 750   { MV_BIT_DOWN,                "down"                  },
 751   { MV_BIT_HORIZONTAL,          "horizontal"            },
 752   { MV_BIT_VERTICAL,            "vertical"              },
 753   { MV_BIT_ALL_DIRECTIONS,      "all directions"        },
 754   { MV_BIT_TOWARDS_PLAYER,      "towards player"        },
 755   { MV_BIT_AWAY_FROM_PLAYER,    "away from player"      },
 756   { MV_BIT_ALONG_LEFT_SIDE,     "along left side"       },
 757   { MV_BIT_ALONG_RIGHT_SIDE,    "along right side"      },
 758   { -1,                         NULL                    }
 759 };
 760 static int index_move_direction = 0;
 761
 762 static struct ValueTextInfo options_walkable_layer[] =
 763 {
 764   { EP_WALKABLE_OVER,           "over"                  },
 765   { EP_WALKABLE_INSIDE,         "inside"                },
 766   { EP_WALKABLE_UNDER,          "under"                 },
 767   { -1,                         NULL                    }
 768 };
 769 static int index_walkable_layer = 0;
 770
 771 static struct ValueTextInfo options_time_units[] =
 772 {
 773   { 50,                         "seconds"               },
 774   { 1,                          "frames"                },
 775   { -1,                         NULL                    }
 776 };
 777 static int index_time_units = 0;
 778
 779 static struct ValueTextInfo options_change_cause[] =
 780 {
 781   { 1,                          "specified delay"       },
 782   { 2,                          "impact (active)"       },
 783   { 3,                          "impact (passive)"      },
 784   { 4,                          "touched by player"     },
 785   { 5,                          "pressed by player"     },
 786   { -1,                         NULL                    }
 787 };
 788 static int index_change_cause = 0, value_change_cause = 0;
 789
 790 static struct
 791 {
 792   int x, y;
 793   int gadget_id;
 794   int size;     /* char size of selectbox or '-1' (dynamically determined) */
 795   struct ValueTextInfo *options;
 796   int *index, *value;
 797   char *text, *infotext;
 798 } selectbox_info[ED_NUM_SELECTBOX] =
 799 {
 800   {
 801     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 802     GADGET_ID_CUSTOM_WALK_TO_ACTION,
 803     -1,
 804     options_walk_to_action, &index_walk_to_action,
 805     &custom_element.walk_to_action,
 806     NULL, "diggable/collectible/pushable"
 807   },
 808   {
 809     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
 810     GADGET_ID_CUSTOM_MOVE_DIRECTION,
 811     -1,
 812     options_move_direction, &index_move_direction,
 813     &custom_element.move_direction,
 814     "can move", "element move direction"
 815   },
 816   {
 817     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(10),
 818     GADGET_ID_CUSTOM_WALKABLE_LAYER,
 819     -1,
 820     options_walkable_layer, &index_walkable_layer,
 821     &custom_element.walkable_layer,
 822     "player can walk", "layer where player can walk"
 823   },
 824   {
 825     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
 826     GADGET_ID_CHANGE_TIME_UNITS,
 827     -1,
 828     options_time_units, &index_time_units,
 829     &custom_element.change.delay_frames,
 830     "delay time given in", "delay time units for change"
 831   },
 832   {
 833     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(8),
 834     GADGET_ID_CHANGE_CAUSE,
 835     -1,
 836     options_change_cause, &index_change_cause,
 837     &value_change_cause,
 838     "test:", "test-selectbox entry"
 839   },
 840 };
 841
 842 static struct
 843 {
 844   int x, y;
 845   int gadget_id;
 846   int size;
 847   char *text, *infotext;
 848 } textbutton_info[ED_NUM_TEXTBUTTON] =
 849 {
 850   {
 851     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 852     GADGET_ID_PROPERTIES_INFO,
 853     11, "Information",                  "Show information about element"
 854   },
 855   {
 856     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
 857     GADGET_ID_PROPERTIES_CONFIG,
 858     11, "Configure",                    "Configure element properties"
 859   },
 860   {
 861     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
 862     GADGET_ID_PROPERTIES_ADVANCED,
 863     11, "Advanced",                     "Advanced element configuration"
 864   },
 865   {
 866     ED_SETTINGS_XPOS(0) + 262,          ED_SETTINGS_YPOS(11),
 867     GADGET_ID_SAVE_AS_TEMPLATE,
 868     -1, "Save as template",             "Save current settings as new template"
 869   },
 870 };
 871
 872 static struct
 873 {
 874   int gd_x, gd_y;
 875   int x, y;
 876   int gadget_id;
 877   char *infotext;
 878 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
 879 {
 880   {
 881     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
 882     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
 883     GADGET_ID_SCROLL_UP,
 884     "scroll level editing area up"
 885   },
 886   {
 887     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
 888     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
 889     GADGET_ID_SCROLL_DOWN,
 890     "scroll level editing area down"
 891   },
 892   {
 893     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
 894     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
 895     GADGET_ID_SCROLL_LEFT,
 896     "scroll level editing area left"
 897   },
 898   {
 899     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
 900     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
 901     GADGET_ID_SCROLL_RIGHT,
 902     "scroll level editing area right"
 903   },
 904   {
 905     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
 906     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
 907     GADGET_ID_SCROLL_LIST_UP,
 908     "scroll element list up ('Page Up')"
 909   },
 910   {
 911     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
 912     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
 913     GADGET_ID_SCROLL_LIST_DOWN,
 914     "scroll element list down ('Page Down')"
 915   }
 916 };
 917
 918 static struct
 919 {
 920   int gd_x, gd_y;
 921   int x, y;
 922   int width, height;
 923   int type;
 924   int gadget_id;
 925   char *infotext;
 926 } scrollbar_info[ED_NUM_SCROLLBARS] =
 927 {
 928   {
 929     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 930     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
 931     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
 932     GD_TYPE_SCROLLBAR_HORIZONTAL,
 933     GADGET_ID_SCROLL_HORIZONTAL,
 934     "scroll level editing area horizontally"
 935   },
 936   {
 937     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 938     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
 939     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
 940     GD_TYPE_SCROLLBAR_VERTICAL,
 941     GADGET_ID_SCROLL_VERTICAL,
 942     "scroll level editing area vertically"
 943   },
 944   {
 945     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
 946     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
 947     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
 948     GD_TYPE_SCROLLBAR_VERTICAL,
 949     GADGET_ID_SCROLL_LIST_VERTICAL,
 950     "scroll element list vertically"
 951   }
 952 };
 953
 954 static struct
 955 {
 956   int x, y;
 957   int gadget_id;
 958   int radio_button_nr;
 959   int *value;
 960   int checked_value;
 961   char *text, *infotext;
 962 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
 963 {
 964   {
 965     ED_SETTINGS_XPOS(0) + 160,          ED_COUNTER2_YPOS(8),
 966     GADGET_ID_RANDOM_PERCENTAGE,
 967     RADIO_NR_RANDOM_ELEMENTS,
 968     &random_placement_method,           RANDOM_USE_PERCENTAGE,
 969     "percentage",                       "use percentage for random elements"
 970   },
 971   {
 972     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER2_YPOS(8),
 973     GADGET_ID_RANDOM_QUANTITY,
 974     RADIO_NR_RANDOM_ELEMENTS,
 975     &random_placement_method,           RANDOM_USE_QUANTITY,
 976     "quantity",                         "use quantity for random elements"
 977   }
 978 };
 979
 980 static struct
 981 {
 982   int x, y;
 983   int gadget_id;
 984   boolean *value;
 985   char *text, *infotext;
 986 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
 987 {
 988   {
 989     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
 990     GADGET_ID_DOUBLE_SPEED,
 991     &level.double_speed,
 992     "double speed movement",            "set movement speed of player"
 993   },
 994   {
 995     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER_YPOS(6) - MINI_TILEY,
 996     GADGET_ID_GRAVITY,
 997     &level.gravity,
 998     "gravity",                          "set level gravity"
 999   },
1000   {
1001     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1002     GADGET_ID_RANDOM_RESTRICTED,
1003     &random_placement_background_restricted,
1004     "restrict random placement to",     "set random placement restriction"
1005   },
1006   {
1007     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
1008     GADGET_ID_STICK_ELEMENT,
1009     &stick_element_properties_window,
1010     "stick this screen to edit content","stick this screen to edit content"
1011   },
1012   {
1013     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1014     GADGET_ID_EM_SLIPPERY_GEMS,
1015     &level.em_slippery_gems,
1016     "slip down from certain flat walls","use EM style slipping behaviour"
1017   },
1018   {
1019     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(3),
1020     GADGET_ID_CUSTOM_INDESTRUCTIBLE,
1021     &custom_element_properties[EP_INDESTRUCTIBLE],
1022     "indestructible",                   "element cannot be destroyed"
1023   },
1024   {
1025     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(4),
1026     GADGET_ID_CUSTOM_WALK_TO_OBJECT,
1027     &custom_element_properties[EP_WALK_TO_OBJECT],
1028     NULL,                               "player can dig/collect/push element"
1029   },
1030   {
1031     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1032     GADGET_ID_CUSTOM_CAN_MOVE,
1033     &custom_element_properties[EP_CAN_MOVE],
1034     NULL,                               "element can move in some direction"
1035   },
1036   {
1037     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
1038     GADGET_ID_CUSTOM_CAN_FALL,
1039     &custom_element_properties[EP_CAN_FALL],
1040     "can fall",                         "element can fall down"
1041   },
1042   {
1043     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(7),
1044     GADGET_ID_CUSTOM_CAN_SMASH,
1045     &custom_element_properties[EP_CAN_SMASH],
1046     "can smash",                        "element can smash other elements"
1047   },
1048   {
1049     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(8),
1050     GADGET_ID_CUSTOM_CAN_EXPLODE,
1051     &custom_element_properties[EP_CAN_EXPLODE],
1052     "can explode to:",                  "element can explode to other elements"
1053   },
1054   {
1055     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(9),
1056     GADGET_ID_CUSTOM_SLIPPERY,
1057     &custom_element_properties[EP_SLIPPERY],
1058     "slippery",                         "other elements can fall down from it"
1059   },
1060   {
1061     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1062     GADGET_ID_CUSTOM_WALKABLE,
1063     &custom_element_properties[EP_WALKABLE],
1064     NULL,                               "player can walk on the same field"
1065   },
1066   {
1067     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1068     GADGET_ID_CUSTOM_USE_GRAPHIC,
1069     &custom_element.use_gfx_element,
1070     "use graphic of element:",          "use graphic for custom element"
1071   },
1072   {
1073     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(11),
1074     GADGET_ID_CUSTOM_USE_TEMPLATE,
1075     &custom_element.use_template,
1076     "use template",                     "use template for custom properties"
1077   },
1078   {
1079     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1080     GADGET_ID_CUSTOM_CHANGEABLE,
1081     &custom_element_properties[EP_CHANGEABLE],
1082     "element changes to    after:",     "element can change to other element"
1083   },
1084   {
1085     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1086     GADGET_ID_CHANGE_DELAY_FIXED,
1087     &custom_element_change_events[CE_DELAY_FIXED],
1088     "delay of",                         "element changes after fixed delay"
1089   },
1090   {
1091     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1092     GADGET_ID_CHANGE_DELAY_RANDOM,
1093     &custom_element_change_events[CE_DELAY_RANDOM],
1094     "delay of",                         "element changes after random delay"
1095   }
1096 };
1097
1098
1099 /*
1100   -----------------------------------------------------------------------------
1101   some internally used variables
1102   -----------------------------------------------------------------------------
1103 */
1104
1105 /* actual size of level editor drawing area */
1106 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1107
1108 /* actual position of level editor drawing area in level playfield */
1109 static int level_xpos = -1, level_ypos = -1;
1110
1111 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1112
1113 /* drawing elements on the three mouse buttons */
1114 static int new_element1 = EL_WALL;
1115 static int new_element2 = EL_EMPTY;
1116 static int new_element3 = EL_SAND;
1117
1118 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1119                                 (button) == 2 ? new_element2 : \
1120                                 (button) == 3 ? new_element3 : EL_EMPTY)
1121 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1122
1123 /* forward declaration for internal use */
1124 static void ModifyEditorCounter(int, int);
1125 static void ModifyEditorCounterLimits(int, int, int);
1126 static void ModifyEditorSelectbox(int, int);
1127 static void ModifyEditorElementList();
1128 static void DrawDrawingWindow();
1129 static void DrawLevelInfoWindow();
1130 static void DrawPropertiesWindow();
1131 static boolean checkPropertiesConfig();
1132 static void CopyLevelToUndoBuffer(int);
1133 static void HandleDrawingAreas(struct GadgetInfo *);
1134 static void HandleCounterButtons(struct GadgetInfo *);
1135 static void HandleTextInputGadgets(struct GadgetInfo *);
1136 static void HandleSelectboxGadgets(struct GadgetInfo *);
1137 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1138 static void HandleRadiobuttons(struct GadgetInfo *);
1139 static void HandleCheckbuttons(struct GadgetInfo *);
1140 static void HandleControlButtons(struct GadgetInfo *);
1141 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1142
1143 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1144
1145 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1146 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1147 static boolean draw_with_brush = FALSE;
1148 static int properties_element = 0;
1149
1150 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1151 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1152 static int undo_buffer_position = 0;
1153 static int undo_buffer_steps = 0;
1154
1155 static int edit_mode;
1156 static int edit_mode_properties;
1157
1158 static int element_shift = 0;
1159
1160 static int editor_el_boulderdash[] =
1161 {
1162   EL_CHAR('B'),
1163   EL_CHAR('O'),
1164   EL_CHAR('U'),
1165   EL_CHAR('L'),
1166
1167   EL_CHAR('-'),
1168   EL_CHAR('D'),
1169   EL_CHAR('E'),
1170   EL_CHAR('R'),
1171
1172   EL_CHAR('D'),
1173   EL_CHAR('A'),
1174   EL_CHAR('S'),
1175   EL_CHAR('H'),
1176
1177   EL_PLAYER_1,
1178   EL_EMPTY,
1179   EL_SAND,
1180   EL_STEELWALL,
1181
1182   EL_BD_WALL,
1183   EL_BD_MAGIC_WALL,
1184   EL_EXIT_CLOSED,
1185   EL_EXIT_OPEN,
1186
1187   EL_BD_DIAMOND,
1188   EL_BD_BUTTERFLY_UP,
1189   EL_BD_FIREFLY_UP,
1190   EL_BD_ROCK,
1191
1192   EL_BD_BUTTERFLY_LEFT,
1193   EL_BD_FIREFLY_LEFT,
1194   EL_BD_BUTTERFLY_RIGHT,
1195   EL_BD_FIREFLY_RIGHT,
1196
1197   EL_BD_AMOEBA,
1198   EL_BD_BUTTERFLY_DOWN,
1199   EL_BD_FIREFLY_DOWN,
1200   EL_EMPTY,
1201 };
1202 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1203
1204 static int editor_el_emerald_mine[] =
1205 {
1206   EL_CHAR('E'),
1207   EL_CHAR('M'),
1208   EL_CHAR('E'),
1209   EL_CHAR('-'),
1210
1211   EL_CHAR('R'),
1212   EL_CHAR('A'),
1213   EL_CHAR('L'),
1214   EL_CHAR('D'),
1215
1216   EL_CHAR('M'),
1217   EL_CHAR('I'),
1218   EL_CHAR('N'),
1219   EL_CHAR('E'),
1220
1221   EL_PLAYER_1,
1222   EL_PLAYER_2,
1223   EL_PLAYER_3,
1224   EL_PLAYER_4,
1225
1226   EL_PLAYER_1,
1227   EL_EMPTY,
1228   EL_SAND,
1229   EL_ROCK,
1230
1231   EL_STEELWALL,
1232   EL_WALL,
1233   EL_WALL_CRUMBLED,
1234   EL_MAGIC_WALL,
1235
1236   EL_EMERALD,
1237   EL_DIAMOND,
1238   EL_NUT,
1239   EL_BOMB,
1240
1241   EL_WALL_EMERALD,
1242   EL_WALL_DIAMOND,
1243   EL_QUICKSAND_EMPTY,
1244   EL_QUICKSAND_FULL,
1245
1246   EL_DYNAMITE,
1247   EL_DYNAMITE_ACTIVE,
1248   EL_EXIT_CLOSED,
1249   EL_EXIT_OPEN,
1250
1251   EL_YAMYAM,
1252   EL_BUG_UP,
1253   EL_SPACESHIP_UP,
1254   EL_ROBOT,
1255
1256   EL_BUG_LEFT,
1257   EL_SPACESHIP_LEFT,
1258   EL_BUG_RIGHT,
1259   EL_SPACESHIP_RIGHT,
1260
1261   EL_ROBOT_WHEEL,
1262   EL_BUG_DOWN,
1263   EL_SPACESHIP_DOWN,
1264   EL_INVISIBLE_WALL,
1265
1266   EL_ACID_POOL_TOPLEFT,
1267   EL_ACID,
1268   EL_ACID_POOL_TOPRIGHT,
1269   EL_EMPTY,
1270
1271   EL_ACID_POOL_BOTTOMLEFT,
1272   EL_ACID_POOL_BOTTOM,
1273   EL_ACID_POOL_BOTTOMRIGHT,
1274   EL_EMPTY,
1275
1276   EL_AMOEBA_DROP,
1277   EL_AMOEBA_DEAD,
1278   EL_AMOEBA_WET,
1279   EL_AMOEBA_DRY,
1280
1281   EL_EM_KEY_1_FILE,
1282   EL_EM_KEY_2_FILE,
1283   EL_EM_KEY_3_FILE,
1284   EL_EM_KEY_4_FILE,
1285
1286   EL_EM_GATE_1,
1287   EL_EM_GATE_2,
1288   EL_EM_GATE_3,
1289   EL_EM_GATE_4,
1290
1291   EL_EM_GATE_1_GRAY,
1292   EL_EM_GATE_2_GRAY,
1293   EL_EM_GATE_3_GRAY,
1294   EL_EM_GATE_4_GRAY,
1295 };
1296 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1297
1298 static int editor_el_more[] =
1299 {
1300   EL_CHAR('M'),
1301   EL_CHAR('O'),
1302   EL_CHAR('R'),
1303   EL_CHAR('E'),
1304
1305   EL_KEY_1,
1306   EL_KEY_2,
1307   EL_KEY_3,
1308   EL_KEY_4,
1309
1310   EL_GATE_1,
1311   EL_GATE_2,
1312   EL_GATE_3,
1313   EL_GATE_4,
1314
1315   EL_GATE_1_GRAY,
1316   EL_GATE_2_GRAY,
1317   EL_GATE_3_GRAY,
1318   EL_GATE_4_GRAY,
1319
1320   EL_ARROW_LEFT,
1321   EL_ARROW_RIGHT,
1322   EL_ARROW_UP,
1323   EL_ARROW_DOWN,
1324
1325   EL_AMOEBA_FULL,
1326   EL_EMERALD_YELLOW,
1327   EL_EMERALD_RED,
1328   EL_EMERALD_PURPLE,
1329
1330   EL_WALL_BD_DIAMOND,
1331   EL_WALL_EMERALD_YELLOW,
1332   EL_WALL_EMERALD_RED,
1333   EL_WALL_EMERALD_PURPLE,
1334
1335   EL_GAME_OF_LIFE,
1336   EL_PACMAN_UP,
1337   EL_TIME_ORB_FULL,
1338   EL_TIME_ORB_EMPTY,
1339
1340   EL_PACMAN_LEFT,
1341   EL_DARK_YAMYAM,
1342   EL_PACMAN_RIGHT,
1343   EL_EXPANDABLE_WALL,
1344
1345   EL_BIOMAZE,
1346   EL_PACMAN_DOWN,
1347   EL_LAMP,
1348   EL_LAMP_ACTIVE,
1349
1350   EL_DYNABOMB_INCREASE_NUMBER,
1351   EL_DYNABOMB_INCREASE_SIZE,
1352   EL_DYNABOMB_INCREASE_POWER,
1353   EL_STONEBLOCK,
1354
1355   EL_MOLE,
1356   EL_PENGUIN,
1357   EL_PIG,
1358   EL_DRAGON,
1359
1360   EL_EMPTY,
1361   EL_MOLE_UP,
1362   EL_EMPTY,
1363   EL_EMPTY,
1364
1365   EL_MOLE_LEFT,
1366   EL_EMPTY,
1367   EL_MOLE_RIGHT,
1368   EL_EMPTY,
1369
1370   EL_EMPTY,
1371   EL_MOLE_DOWN,
1372   EL_BALLOON,
1373   EL_BALLOON_SWITCH_ANY,
1374
1375   EL_BALLOON_SWITCH_LEFT,
1376   EL_BALLOON_SWITCH_RIGHT,
1377   EL_BALLOON_SWITCH_UP,
1378   EL_BALLOON_SWITCH_DOWN,
1379
1380   EL_SATELLITE,
1381   EL_EXPANDABLE_WALL_HORIZONTAL,
1382   EL_EXPANDABLE_WALL_VERTICAL,
1383   EL_EXPANDABLE_WALL_ANY,
1384
1385   EL_INVISIBLE_STEELWALL,
1386   EL_INVISIBLE_WALL,
1387   EL_SPEED_PILL,
1388   EL_BLACK_ORB,
1389
1390   EL_EMC_STEELWALL_1,
1391   EL_EMC_WALL_1,
1392   EL_EMC_WALL_2,
1393   EL_EMC_WALL_3,
1394
1395   EL_EMC_WALL_4,
1396   EL_EMC_WALL_5,
1397   EL_EMC_WALL_6,
1398   EL_EMC_WALL_7,
1399 };
1400 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1401
1402 static int editor_el_sokoban[] =
1403 {
1404   EL_CHAR('S'),
1405   EL_CHAR('O'),
1406   EL_CHAR('K'),
1407   EL_CHAR('O'),
1408
1409   EL_CHAR('-'),
1410   EL_CHAR('B'),
1411   EL_CHAR('A'),
1412   EL_CHAR('N'),
1413
1414   EL_SOKOBAN_OBJECT,
1415   EL_SOKOBAN_FIELD_EMPTY,
1416   EL_SOKOBAN_FIELD_FULL,
1417   EL_STEELWALL,
1418 };
1419 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1420
1421 static int editor_el_supaplex[] =
1422 {
1423   EL_CHAR('S'),
1424   EL_CHAR('U'),
1425   EL_CHAR('P'),
1426   EL_CHAR('A'),
1427
1428   EL_CHAR('P'),
1429   EL_CHAR('L'),
1430   EL_CHAR('E'),
1431   EL_CHAR('X'),
1432
1433   EL_SP_EMPTY,
1434   EL_SP_ZONK,
1435   EL_SP_BASE,
1436   EL_SP_MURPHY,
1437
1438   EL_SP_INFOTRON,
1439   EL_SP_CHIP_SINGLE,
1440   EL_SP_HARDWARE_GRAY,
1441   EL_SP_EXIT_CLOSED,
1442
1443   EL_SP_DISK_ORANGE,
1444   EL_SP_PORT_RIGHT,
1445   EL_SP_PORT_DOWN,
1446   EL_SP_PORT_LEFT,
1447
1448   EL_SP_PORT_UP,
1449   EL_SP_GRAVITY_PORT_RIGHT,
1450   EL_SP_GRAVITY_PORT_DOWN,
1451   EL_SP_GRAVITY_PORT_LEFT,
1452
1453   EL_SP_GRAVITY_PORT_UP,
1454   EL_SP_SNIKSNAK,
1455   EL_SP_DISK_YELLOW,
1456   EL_SP_TERMINAL,
1457
1458   EL_SP_DISK_RED,
1459   EL_SP_PORT_VERTICAL,
1460   EL_SP_PORT_HORIZONTAL,
1461   EL_SP_PORT_ANY,
1462
1463   EL_SP_ELECTRON,
1464   EL_SP_BUGGY_BASE,
1465   EL_SP_CHIP_LEFT,
1466   EL_SP_CHIP_RIGHT,
1467
1468   EL_SP_HARDWARE_BASE_1,
1469   EL_SP_HARDWARE_GREEN,
1470   EL_SP_HARDWARE_BLUE,
1471   EL_SP_HARDWARE_RED,
1472
1473   EL_SP_HARDWARE_YELLOW,
1474   EL_SP_HARDWARE_BASE_2,
1475   EL_SP_HARDWARE_BASE_3,
1476   EL_SP_HARDWARE_BASE_4,
1477
1478   EL_SP_HARDWARE_BASE_5,
1479   EL_SP_HARDWARE_BASE_6,
1480   EL_SP_CHIP_TOP,
1481   EL_SP_CHIP_BOTTOM,
1482 };
1483 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1484
1485 static int editor_el_diamond_caves[] =
1486 {
1487   EL_CHAR('D'),
1488   EL_CHAR('I'),
1489   EL_CHAR('A'),
1490   EL_CHAR('-'),
1491
1492   EL_CHAR('M'),
1493   EL_CHAR('O'),
1494   EL_CHAR('N'),
1495   EL_CHAR('D'),
1496
1497   EL_CHAR('C'),
1498   EL_CHAR('A'),
1499   EL_CHAR('V'),
1500   EL_CHAR('E'),
1501
1502   EL_CHAR('S'),
1503   EL_CHAR(' '),
1504   EL_CHAR('I'),
1505   EL_CHAR('I'),
1506
1507   EL_PEARL,
1508   EL_CRYSTAL,
1509   EL_WALL_PEARL,
1510   EL_WALL_CRYSTAL,
1511
1512   EL_CONVEYOR_BELT_1_LEFT,
1513   EL_CONVEYOR_BELT_1_MIDDLE,
1514   EL_CONVEYOR_BELT_1_RIGHT,
1515   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1516
1517   EL_CONVEYOR_BELT_2_LEFT,
1518   EL_CONVEYOR_BELT_2_MIDDLE,
1519   EL_CONVEYOR_BELT_2_RIGHT,
1520   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1521
1522   EL_CONVEYOR_BELT_3_LEFT,
1523   EL_CONVEYOR_BELT_3_MIDDLE,
1524   EL_CONVEYOR_BELT_3_RIGHT,
1525   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1526
1527   EL_CONVEYOR_BELT_4_LEFT,
1528   EL_CONVEYOR_BELT_4_MIDDLE,
1529   EL_CONVEYOR_BELT_4_RIGHT,
1530   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1531
1532   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1533   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1534   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1535   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1536
1537   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1538   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1539   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1540   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1541
1542   EL_SWITCHGATE_OPEN,
1543   EL_SWITCHGATE_CLOSED,
1544   EL_SWITCHGATE_SWITCH_UP,
1545   EL_ENVELOPE,
1546
1547   EL_TIMEGATE_CLOSED,
1548   EL_TIMEGATE_OPEN,
1549   EL_TIMEGATE_SWITCH,
1550   EL_EMPTY,
1551
1552   EL_LANDMINE,
1553   EL_INVISIBLE_SAND,
1554   EL_STEELWALL_SLANTED,
1555   EL_EMPTY,
1556
1557   EL_SIGN_EXCLAMATION,
1558   EL_SIGN_STOP,
1559   EL_LIGHT_SWITCH,
1560   EL_LIGHT_SWITCH_ACTIVE,
1561
1562   EL_SHIELD_NORMAL,
1563   EL_SHIELD_DEADLY,
1564   EL_EXTRA_TIME,
1565   EL_EMPTY,
1566 };
1567 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1568
1569 static int editor_el_dx_boulderdash[] =
1570 {
1571   EL_CHAR('D'),
1572   EL_CHAR('X'),
1573   EL_CHAR('-'),
1574   EL_CHAR(' '),
1575
1576   EL_CHAR('B'),
1577   EL_CHAR('O'),
1578   EL_CHAR('U'),
1579   EL_CHAR('L'),
1580
1581   EL_CHAR('-'),
1582   EL_CHAR('D'),
1583   EL_CHAR('E'),
1584   EL_CHAR('R'),
1585
1586   EL_CHAR('D'),
1587   EL_CHAR('A'),
1588   EL_CHAR('S'),
1589   EL_CHAR('H'),
1590
1591   EL_SPRING,
1592   EL_TUBE_RIGHT_DOWN,
1593   EL_TUBE_HORIZONTAL_DOWN,
1594   EL_TUBE_LEFT_DOWN,
1595
1596   EL_TUBE_HORIZONTAL,
1597   EL_TUBE_VERTICAL_RIGHT,
1598   EL_TUBE_ANY,
1599   EL_TUBE_VERTICAL_LEFT,
1600
1601   EL_TUBE_VERTICAL,
1602   EL_TUBE_RIGHT_UP,
1603   EL_TUBE_HORIZONTAL_UP,
1604   EL_TUBE_LEFT_UP,
1605
1606   EL_TRAP,
1607   EL_DX_SUPABOMB,
1608   EL_EMPTY,
1609   EL_EMPTY
1610 };
1611 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
1612
1613 static int editor_el_chars[] =
1614 {
1615   EL_CHAR('T'),
1616   EL_CHAR('E'),
1617   EL_CHAR('X'),
1618   EL_CHAR('T'),
1619
1620   EL_CHAR(' '),
1621   EL_CHAR('!'),
1622   EL_CHAR('"'),
1623   EL_CHAR('#'),
1624
1625   EL_CHAR('$'),
1626   EL_CHAR('%'),
1627   EL_CHAR('&'),
1628   EL_CHAR('\''),
1629
1630   EL_CHAR('('),
1631   EL_CHAR(')'),
1632   EL_CHAR('*'),
1633   EL_CHAR('+'),
1634
1635   EL_CHAR(','),
1636   EL_CHAR('-'),
1637   EL_CHAR('.'),
1638   EL_CHAR('/'),
1639
1640   EL_CHAR('0'),
1641   EL_CHAR('1'),
1642   EL_CHAR('2'),
1643   EL_CHAR('3'),
1644
1645   EL_CHAR('4'),
1646   EL_CHAR('5'),
1647   EL_CHAR('6'),
1648   EL_CHAR('7'),
1649
1650   EL_CHAR('8'),
1651   EL_CHAR('9'),
1652   EL_CHAR(':'),
1653   EL_CHAR(';'),
1654
1655   EL_CHAR('<'),
1656   EL_CHAR('='),
1657   EL_CHAR('>'),
1658   EL_CHAR('?'),
1659
1660   EL_CHAR('@'),
1661   EL_CHAR('A'),
1662   EL_CHAR('B'),
1663   EL_CHAR('C'),
1664
1665   EL_CHAR('D'),
1666   EL_CHAR('E'),
1667   EL_CHAR('F'),
1668   EL_CHAR('G'),
1669
1670   EL_CHAR('H'),
1671   EL_CHAR('I'),
1672   EL_CHAR('J'),
1673   EL_CHAR('K'),
1674
1675   EL_CHAR('L'),
1676   EL_CHAR('M'),
1677   EL_CHAR('N'),
1678   EL_CHAR('O'),
1679
1680   EL_CHAR('P'),
1681   EL_CHAR('Q'),
1682   EL_CHAR('R'),
1683   EL_CHAR('S'),
1684
1685   EL_CHAR('T'),
1686   EL_CHAR('U'),
1687   EL_CHAR('V'),
1688   EL_CHAR('W'),
1689
1690   EL_CHAR('X'),
1691   EL_CHAR('Y'),
1692   EL_CHAR('Z'),
1693   EL_CHAR('['),
1694
1695   EL_CHAR('\\'),
1696   EL_CHAR(']'),
1697   EL_CHAR('^'),
1698   EL_CHAR('_'),
1699
1700   EL_CHAR('©'),
1701   EL_CHAR('Ä'),
1702   EL_CHAR('Ö'),
1703   EL_CHAR('Ü'),
1704
1705   EL_CHAR('°'),
1706   EL_CHAR('®'),
1707   EL_CHAR(FONT_ASCII_CURSOR),
1708   EL_CHAR(' ')
1709 };
1710 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
1711
1712 static int editor_el_custom[] =
1713 {
1714   EL_CHAR('C'),
1715   EL_CHAR('U'),
1716   EL_CHAR('S'),
1717   EL_CHAR('-'),
1718
1719   EL_CHAR('T'),
1720   EL_CHAR('O'),
1721   EL_CHAR('M'),
1722   EL_CHAR(' '),
1723
1724   EL_CHAR('E'),
1725   EL_CHAR('L'),
1726   EL_CHAR('E'),
1727   EL_CHAR('M'),
1728
1729   EL_CHAR('E'),
1730   EL_CHAR('N'),
1731   EL_CHAR('T'),
1732   EL_CHAR('S'),
1733
1734   EL_CUSTOM_START + 0,
1735   EL_CUSTOM_START + 1,
1736   EL_CUSTOM_START + 2,
1737   EL_CUSTOM_START + 3,
1738
1739   EL_CUSTOM_START + 4,
1740   EL_CUSTOM_START + 5,
1741   EL_CUSTOM_START + 6,
1742   EL_CUSTOM_START + 7,
1743
1744   EL_CUSTOM_START + 8,
1745   EL_CUSTOM_START + 9,
1746   EL_CUSTOM_START + 10,
1747   EL_CUSTOM_START + 11,
1748
1749   EL_CUSTOM_START + 12,
1750   EL_CUSTOM_START + 13,
1751   EL_CUSTOM_START + 14,
1752   EL_CUSTOM_START + 15,
1753
1754   EL_CUSTOM_START + 16,
1755   EL_CUSTOM_START + 17,
1756   EL_CUSTOM_START + 18,
1757   EL_CUSTOM_START + 19,
1758
1759   EL_CUSTOM_START + 20,
1760   EL_CUSTOM_START + 21,
1761   EL_CUSTOM_START + 22,
1762   EL_CUSTOM_START + 23,
1763
1764   EL_CUSTOM_START + 24,
1765   EL_CUSTOM_START + 25,
1766   EL_CUSTOM_START + 26,
1767   EL_CUSTOM_START + 27,
1768
1769   EL_CUSTOM_START + 28,
1770   EL_CUSTOM_START + 29,
1771   EL_CUSTOM_START + 30,
1772   EL_CUSTOM_START + 31,
1773
1774   EL_CUSTOM_START + 32,
1775   EL_CUSTOM_START + 33,
1776   EL_CUSTOM_START + 34,
1777   EL_CUSTOM_START + 35,
1778
1779   EL_CUSTOM_START + 36,
1780   EL_CUSTOM_START + 37,
1781   EL_CUSTOM_START + 38,
1782   EL_CUSTOM_START + 39,
1783
1784   EL_CUSTOM_START + 40,
1785   EL_CUSTOM_START + 41,
1786   EL_CUSTOM_START + 42,
1787   EL_CUSTOM_START + 43,
1788
1789   EL_CUSTOM_START + 44,
1790   EL_CUSTOM_START + 45,
1791   EL_CUSTOM_START + 46,
1792   EL_CUSTOM_START + 47,
1793
1794   EL_CUSTOM_START + 48,
1795   EL_CUSTOM_START + 49,
1796   EL_CUSTOM_START + 50,
1797   EL_CUSTOM_START + 51,
1798
1799   EL_CUSTOM_START + 52,
1800   EL_CUSTOM_START + 53,
1801   EL_CUSTOM_START + 54,
1802   EL_CUSTOM_START + 55,
1803
1804   EL_CUSTOM_START + 56,
1805   EL_CUSTOM_START + 57,
1806   EL_CUSTOM_START + 58,
1807   EL_CUSTOM_START + 59,
1808
1809   EL_CUSTOM_START + 60,
1810   EL_CUSTOM_START + 61,
1811   EL_CUSTOM_START + 62,
1812   EL_CUSTOM_START + 63,
1813
1814   EL_CUSTOM_START + 64,
1815   EL_CUSTOM_START + 65,
1816   EL_CUSTOM_START + 66,
1817   EL_CUSTOM_START + 67,
1818
1819   EL_CUSTOM_START + 68,
1820   EL_CUSTOM_START + 69,
1821   EL_CUSTOM_START + 70,
1822   EL_CUSTOM_START + 71,
1823
1824   EL_CUSTOM_START + 72,
1825   EL_CUSTOM_START + 73,
1826   EL_CUSTOM_START + 74,
1827   EL_CUSTOM_START + 75,
1828
1829   EL_CUSTOM_START + 76,
1830   EL_CUSTOM_START + 77,
1831   EL_CUSTOM_START + 78,
1832   EL_CUSTOM_START + 79,
1833
1834   EL_CUSTOM_START + 80,
1835   EL_CUSTOM_START + 81,
1836   EL_CUSTOM_START + 82,
1837   EL_CUSTOM_START + 83,
1838
1839   EL_CUSTOM_START + 84,
1840   EL_CUSTOM_START + 85,
1841   EL_CUSTOM_START + 86,
1842   EL_CUSTOM_START + 87,
1843
1844   EL_CUSTOM_START + 88,
1845   EL_CUSTOM_START + 89,
1846   EL_CUSTOM_START + 90,
1847   EL_CUSTOM_START + 91,
1848
1849   EL_CUSTOM_START + 92,
1850   EL_CUSTOM_START + 93,
1851   EL_CUSTOM_START + 94,
1852   EL_CUSTOM_START + 95,
1853
1854   EL_CUSTOM_START + 96,
1855   EL_CUSTOM_START + 97,
1856   EL_CUSTOM_START + 98,
1857   EL_CUSTOM_START + 99,
1858
1859   EL_CUSTOM_START + 100,
1860   EL_CUSTOM_START + 101,
1861   EL_CUSTOM_START + 102,
1862   EL_CUSTOM_START + 103,
1863
1864   EL_CUSTOM_START + 104,
1865   EL_CUSTOM_START + 105,
1866   EL_CUSTOM_START + 106,
1867   EL_CUSTOM_START + 107,
1868
1869   EL_CUSTOM_START + 108,
1870   EL_CUSTOM_START + 109,
1871   EL_CUSTOM_START + 110,
1872   EL_CUSTOM_START + 111,
1873
1874   EL_CUSTOM_START + 112,
1875   EL_CUSTOM_START + 113,
1876   EL_CUSTOM_START + 114,
1877   EL_CUSTOM_START + 115,
1878
1879   EL_CUSTOM_START + 116,
1880   EL_CUSTOM_START + 117,
1881   EL_CUSTOM_START + 118,
1882   EL_CUSTOM_START + 119,
1883
1884   EL_CUSTOM_START + 120,
1885   EL_CUSTOM_START + 121,
1886   EL_CUSTOM_START + 122,
1887   EL_CUSTOM_START + 123,
1888
1889   EL_CUSTOM_START + 124,
1890   EL_CUSTOM_START + 125,
1891   EL_CUSTOM_START + 126,
1892   EL_CUSTOM_START + 127
1893 };
1894 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
1895
1896 static int *editor_elements = NULL;     /* dynamically allocated */
1897 static int num_editor_elements = 0;     /* dynamically determined */
1898
1899 static struct
1900 {
1901   boolean *setup_value;
1902   int *element_list;
1903   int *element_list_size;
1904
1905   boolean last_setup_value;
1906 }
1907 editor_elements_info[] =
1908 {
1909   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
1910     &num_editor_el_boulderdash                                          },
1911   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
1912     &num_editor_el_emerald_mine                                         },
1913   { &setup.editor.el_more,              editor_el_more,
1914     &num_editor_el_more                                                 },
1915   { &setup.editor.el_sokoban,           editor_el_sokoban,
1916     &num_editor_el_sokoban                                              },
1917   { &setup.editor.el_supaplex,          editor_el_supaplex,
1918     &num_editor_el_supaplex                                             },
1919   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
1920     &num_editor_el_diamond_caves                                        },
1921   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
1922     &num_editor_el_dx_boulderdash                                       },
1923   { &setup.editor.el_chars,             editor_el_chars,
1924     &num_editor_el_chars                                                },
1925   { &setup.editor.el_custom,            editor_el_custom,
1926     &num_editor_el_custom                                               },
1927   { NULL,                               NULL,
1928     NULL                                                                }
1929 };
1930
1931
1932 /*
1933   -----------------------------------------------------------------------------
1934   functions
1935   -----------------------------------------------------------------------------
1936 */
1937
1938 static void ReinitializeElementList()
1939 {
1940   int pos = 0;
1941   int i, j;
1942
1943   if (editor_elements != NULL)
1944     free(editor_elements);
1945
1946   num_editor_elements = 0;
1947
1948   /* determine size of element list */
1949   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1950     if (*editor_elements_info[i].setup_value)
1951       num_editor_elements += *editor_elements_info[i].element_list_size;
1952
1953   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
1954   {
1955     /* workaround: offer at least as many elements as element buttons exist */
1956     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
1957
1958     *editor_elements_info[list_nr].setup_value = TRUE;
1959     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
1960   }
1961
1962   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
1963
1964   /* fill element list */
1965   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1966     if (*editor_elements_info[i].setup_value)
1967       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
1968         editor_elements[pos++] = editor_elements_info[i].element_list[j];
1969 }
1970
1971 static void ReinitializeElementListButtons()
1972 {
1973   static boolean initialization_needed = TRUE;
1974   int i;
1975
1976   if (!initialization_needed)   /* check if editor element setup has changed */
1977     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1978       if (editor_elements_info[i].last_setup_value !=
1979           *editor_elements_info[i].setup_value)
1980         initialization_needed = TRUE;
1981
1982   if (!initialization_needed)
1983     return;
1984
1985   FreeLevelEditorGadgets();
1986   CreateLevelEditorGadgets();
1987
1988   /* store current setup values for next invocation of this function */
1989   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1990     editor_elements_info[i].last_setup_value =
1991       *editor_elements_info[i].setup_value;
1992
1993   initialization_needed = FALSE;
1994 }
1995
1996 static int getCounterGadgetWidth()
1997 {
1998   return (DXSIZE + getFontWidth(FONT_INPUT_1) - 2 * ED_GADGET_DISTANCE);
1999 }
2000
2001 static int getMaxInfoTextLength()
2002 {
2003   return (SXSIZE / getFontWidth(FONT_TEXT_2));
2004 }
2005
2006 static char *getElementInfoText(int element)
2007 {
2008   char *info_text = NULL;
2009
2010   if (element < NUM_FILE_ELEMENTS)
2011   {
2012     if (element_info[element].custom_description != NULL)
2013       info_text = element_info[element].custom_description;
2014     else if (element_info[element].editor_description != NULL)
2015       info_text = element_info[element].editor_description;
2016   }
2017
2018   if (info_text == NULL)
2019   {
2020     info_text = "unknown";
2021
2022     Error(ERR_WARN, "no element description for element %d", element);
2023   }
2024
2025   return info_text;
2026 }
2027
2028 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
2029 {
2030   int x,y;
2031   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
2032   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
2033
2034   BlitBitmap(drawto, drawto,
2035              SX + (dx == -1 ? MINI_TILEX : 0),
2036              SY + (dy == -1 ? MINI_TILEY : 0),
2037              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
2038              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
2039              SX + (dx == +1 ? MINI_TILEX : 0),
2040              SY + (dy == +1 ? MINI_TILEY : 0));
2041   if (dx)
2042   {
2043     x = (dx == 1 ? 0 : ed_fieldx - 1);
2044     for(y=0; y<ed_fieldy; y++)
2045       DrawMiniElementOrWall(x, y, from_x, from_y);
2046   }
2047   else if (dy)
2048   {
2049     y = (dy == 1 ? 0 : ed_fieldy - 1);
2050     for(x=0; x<ed_fieldx; x++)
2051       DrawMiniElementOrWall(x, y, from_x, from_y);
2052   }
2053
2054   redraw_mask |= REDRAW_FIELD;
2055   BackToFront();
2056 }
2057
2058 static void CreateControlButtons()
2059 {
2060   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2061   struct GadgetInfo *gi;
2062   unsigned long event_mask;
2063   int i;
2064
2065   /* create toolbox buttons */
2066   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2067   {
2068     int id = i;
2069     int width, height;
2070     int gd_xoffset, gd_yoffset;
2071     int gd_x1, gd_x2, gd_y1, gd_y2;
2072     int button_type;
2073     int radio_button_nr;
2074     boolean checked;
2075
2076     if (id == GADGET_ID_SINGLE_ITEMS ||
2077         id == GADGET_ID_CONNECTED_ITEMS ||
2078         id == GADGET_ID_LINE ||
2079         id == GADGET_ID_ARC ||
2080         id == GADGET_ID_TEXT ||
2081         id == GADGET_ID_RECTANGLE ||
2082         id == GADGET_ID_FILLED_BOX ||
2083         id == GADGET_ID_FLOOD_FILL ||
2084         id == GADGET_ID_GRAB_BRUSH ||
2085         id == GADGET_ID_PICK_ELEMENT)
2086     {
2087       button_type = GD_TYPE_RADIO_BUTTON;
2088       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
2089       checked = (id == drawing_function ? TRUE : FALSE);
2090       event_mask = GD_EVENT_PRESSED;
2091     }
2092     else
2093     {
2094       button_type = GD_TYPE_NORMAL_BUTTON;
2095       radio_button_nr = RADIO_NR_NONE;
2096       checked = FALSE;
2097
2098       if (id == GADGET_ID_WRAP_LEFT ||
2099           id == GADGET_ID_WRAP_RIGHT ||
2100           id == GADGET_ID_WRAP_UP ||
2101           id == GADGET_ID_WRAP_DOWN)
2102         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2103       else
2104         event_mask = GD_EVENT_RELEASED;
2105     }
2106
2107     if (id < ED_NUM_CTRL1_BUTTONS)
2108     {
2109       int x = i % ED_CTRL1_BUTTONS_HORIZ;
2110       int y = i / ED_CTRL1_BUTTONS_HORIZ;
2111
2112       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
2113       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
2114       width = ED_CTRL1_BUTTON_XSIZE;
2115       height = ED_CTRL1_BUTTON_YSIZE;
2116     }
2117     else
2118     {
2119       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
2120       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
2121
2122       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
2123       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
2124       width = ED_CTRL2_BUTTON_XSIZE;
2125       height = ED_CTRL2_BUTTON_YSIZE;
2126     }
2127
2128     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
2129     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
2130     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
2131     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
2132
2133     gi = CreateGadget(GDI_CUSTOM_ID, id,
2134                       GDI_CUSTOM_TYPE_ID, i,
2135                       GDI_INFO_TEXT, control_info[i].text,
2136                       GDI_X, EX + gd_xoffset,
2137                       GDI_Y, EY + gd_yoffset,
2138                       GDI_WIDTH, width,
2139                       GDI_HEIGHT, height,
2140                       GDI_TYPE, button_type,
2141                       GDI_STATE, GD_BUTTON_UNPRESSED,
2142                       GDI_RADIO_NR, radio_button_nr,
2143                       GDI_CHECKED, checked,
2144                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2145                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2146                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2147                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2148                       GDI_EVENT_MASK, event_mask,
2149                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2150                       GDI_CALLBACK_ACTION, HandleControlButtons,
2151                       GDI_END);
2152
2153     if (gi == NULL)
2154       Error(ERR_EXIT, "cannot create gadget");
2155
2156     level_editor_gadget[id] = gi;
2157   }
2158
2159   /* create buttons for scrolling of drawing area and element list */
2160   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
2161   {
2162     int id = scrollbutton_info[i].gadget_id;
2163     int x, y, width, height;
2164     int gd_x1, gd_x2, gd_y1, gd_y2;
2165
2166     x = scrollbutton_info[i].x;
2167     y = scrollbutton_info[i].y;
2168
2169     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2170
2171     if (id == GADGET_ID_SCROLL_LIST_UP ||
2172         id == GADGET_ID_SCROLL_LIST_DOWN)
2173     {
2174       x += DX;
2175       y += DY;
2176       width = ED_SCROLLBUTTON2_XSIZE;
2177       height = ED_SCROLLBUTTON2_YSIZE;
2178       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2179       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2180       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
2181       gd_y2 = gd_y1;
2182     }
2183     else
2184     {
2185       x += SX;
2186       y += SY;
2187       width = ED_SCROLLBUTTON_XSIZE;
2188       height = ED_SCROLLBUTTON_YSIZE;
2189       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2190       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2191       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2192       gd_y2 = gd_y1;
2193     }
2194
2195     gi = CreateGadget(GDI_CUSTOM_ID, id,
2196                       GDI_CUSTOM_TYPE_ID, i,
2197                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2198                       GDI_X, x,
2199                       GDI_Y, y,
2200                       GDI_WIDTH, width,
2201                       GDI_HEIGHT, height,
2202                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2203                       GDI_STATE, GD_BUTTON_UNPRESSED,
2204                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2205                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2206                       GDI_EVENT_MASK, event_mask,
2207                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2208                       GDI_CALLBACK_ACTION, HandleControlButtons,
2209                       GDI_END);
2210
2211     if (gi == NULL)
2212       Error(ERR_EXIT, "cannot create gadget");
2213
2214     level_editor_gadget[id] = gi;
2215   }
2216
2217   /* create buttons for element list */
2218   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2219   {
2220     Bitmap *deco_bitmap;
2221     int deco_x, deco_y, deco_xpos, deco_ypos;
2222     int gd_xoffset, gd_yoffset;
2223     int gd_x1, gd_x2, gd_y;
2224     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
2225     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
2226     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
2227     int element = editor_elements[i];
2228
2229     event_mask = GD_EVENT_RELEASED;
2230
2231     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
2232     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
2233
2234     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
2235     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
2236     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
2237
2238     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
2239     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
2240     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
2241
2242     gi = CreateGadget(GDI_CUSTOM_ID, id,
2243                       GDI_CUSTOM_TYPE_ID, i,
2244                       GDI_INFO_TEXT, getElementInfoText(element),
2245                       GDI_X, DX + gd_xoffset,
2246                       GDI_Y, DY + gd_yoffset,
2247                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
2248                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
2249                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2250                       GDI_STATE, GD_BUTTON_UNPRESSED,
2251                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2252                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2253                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2254                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2255                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2256                       GDI_DECORATION_SHIFTING, 1, 1,
2257                       GDI_EVENT_MASK, event_mask,
2258                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2259                       GDI_CALLBACK_ACTION, HandleControlButtons,
2260                       GDI_END);
2261
2262     if (gi == NULL)
2263       Error(ERR_EXIT, "cannot create gadget");
2264
2265     level_editor_gadget[id] = gi;
2266   }
2267 }
2268
2269 static void CreateCounterButtons()
2270 {
2271   int max_infotext_len = getMaxInfoTextLength();
2272   int i;
2273
2274   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
2275   {
2276     int j;
2277     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
2278     int ypos = SY + counterbutton_info[i].y;
2279
2280     for (j=0; j<2; j++)
2281     {
2282       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2283       struct GadgetInfo *gi;
2284       int id = (j == 0 ?
2285                 counterbutton_info[i].gadget_id_down :
2286                 counterbutton_info[i].gadget_id_up);
2287       int gd_xoffset;
2288       int gd_x, gd_x1, gd_x2, gd_y;
2289       int x_size, y_size;
2290       unsigned long event_mask;
2291       char infotext[max_infotext_len + 1];
2292
2293       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2294
2295       if (i == ED_COUNTER_ID_SELECT_LEVEL)
2296       {
2297         int sid = (j == 0 ?
2298                    ED_SCROLLBUTTON_ID_AREA_LEFT :
2299                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
2300
2301         event_mask |= GD_EVENT_RELEASED;
2302
2303         if (j == 1)
2304           xpos += 2 * ED_GADGET_DISTANCE;
2305         ypos += ED_GADGET_DISTANCE;
2306
2307         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
2308         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2309         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
2310         x_size = ED_SCROLLBUTTON_XSIZE;
2311         y_size = ED_SCROLLBUTTON_YSIZE;
2312       }
2313       else
2314       {
2315         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
2316         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2317         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2318         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
2319         x_size = ED_BUTTON_COUNT_XSIZE;
2320         y_size = ED_BUTTON_COUNT_YSIZE;
2321       }
2322
2323       sprintf(infotext, "%s counter value by 1, 5 or 10",
2324               (j == 0 ? "decrease" : "increase"));
2325
2326       gi = CreateGadget(GDI_CUSTOM_ID, id,
2327                         GDI_CUSTOM_TYPE_ID, i,
2328                         GDI_INFO_TEXT, infotext,
2329                         GDI_X, xpos,
2330                         GDI_Y, ypos,
2331                         GDI_WIDTH, x_size,
2332                         GDI_HEIGHT, y_size,
2333                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2334                         GDI_STATE, GD_BUTTON_UNPRESSED,
2335                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2336                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2337                         GDI_EVENT_MASK, event_mask,
2338                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2339                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2340                         GDI_END);
2341
2342       if (gi == NULL)
2343         Error(ERR_EXIT, "cannot create gadget");
2344
2345       level_editor_gadget[id] = gi;
2346       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
2347
2348       if (j == 0)
2349       {
2350         int font_type = FONT_INPUT_1;
2351         int font_type_active = FONT_INPUT_1_ACTIVE;
2352         int gd_width = ED_WIN_COUNT_XSIZE;
2353
2354         id = counterbutton_info[i].gadget_id_text;
2355         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2356
2357         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2358         {
2359           font_type = FONT_LEVEL_NUMBER;
2360           font_type_active = FONT_LEVEL_NUMBER;
2361
2362           xpos += 2 * ED_GADGET_DISTANCE;
2363           ypos -= ED_GADGET_DISTANCE;
2364
2365           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2366           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2367           gd_width = ED_WIN_COUNT2_XSIZE;
2368         }
2369         else
2370         {
2371           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2372           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2373         }
2374
2375         gi = CreateGadget(GDI_CUSTOM_ID, id,
2376                           GDI_CUSTOM_TYPE_ID, i,
2377                           GDI_INFO_TEXT, "enter counter value",
2378                           GDI_X, xpos,
2379                           GDI_Y, ypos,
2380                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2381                           GDI_NUMBER_VALUE, 0,
2382                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2383                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2384                           GDI_TEXT_SIZE, 3,
2385                           GDI_TEXT_FONT, font_type,
2386                           GDI_TEXT_FONT_ACTIVE, font_type_active,
2387                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2388                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2389                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2390                           GDI_DESIGN_WIDTH, gd_width,
2391                           GDI_EVENT_MASK, event_mask,
2392                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2393                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2394                           GDI_END);
2395
2396         if (gi == NULL)
2397           Error(ERR_EXIT, "cannot create gadget");
2398
2399         level_editor_gadget[id] = gi;
2400         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
2401       }
2402     }
2403   }
2404 }
2405
2406 static void CreateDrawingAreas()
2407 {
2408   struct GadgetInfo *gi;
2409   unsigned long event_mask;
2410   int id;
2411   int i;
2412
2413   event_mask =
2414     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
2415     GD_EVENT_OFF_BORDERS;
2416
2417   /* one for the level drawing area ... */
2418   id = GADGET_ID_DRAWING_LEVEL;
2419   gi = CreateGadget(GDI_CUSTOM_ID, id,
2420                     GDI_X, SX,
2421                     GDI_Y, SY,
2422                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2423                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2424                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2425                     GDI_EVENT_MASK, event_mask,
2426                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2427                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2428                     GDI_END);
2429
2430   if (gi == NULL)
2431     Error(ERR_EXIT, "cannot create gadget");
2432
2433   level_editor_gadget[id] = gi;
2434
2435   /* ... up to eight areas for element content ... */
2436   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2437   {
2438     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
2439     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
2440
2441     id = GADGET_ID_ELEMENT_CONTENT_0 + i;
2442     gi = CreateGadget(GDI_CUSTOM_ID, id,
2443                       GDI_CUSTOM_TYPE_ID, i,
2444                       GDI_X, gx,
2445                       GDI_Y, gy,
2446                       GDI_WIDTH, 3 * MINI_TILEX,
2447                       GDI_HEIGHT, 3 * MINI_TILEY,
2448                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2449                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2450                       GDI_EVENT_MASK, event_mask,
2451                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2452                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2453                       GDI_END);
2454
2455     if (gi == NULL)
2456       Error(ERR_EXIT, "cannot create gadget");
2457
2458     level_editor_gadget[id] = gi;
2459   }
2460
2461   /* ... one for the amoeba content ... */
2462   id = GADGET_ID_AMOEBA_CONTENT;
2463   gi = CreateGadget(GDI_CUSTOM_ID, id,
2464                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2465                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2466                     GDI_WIDTH, MINI_TILEX,
2467                     GDI_HEIGHT, MINI_TILEY,
2468                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2469                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2470                     GDI_EVENT_MASK, event_mask,
2471                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2472                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2473                     GDI_END);
2474
2475   if (gi == NULL)
2476     Error(ERR_EXIT, "cannot create gadget");
2477
2478   level_editor_gadget[id] = gi;
2479
2480   /* ... one for each custom element optional graphic element ... */
2481   id = GADGET_ID_CUSTOM_GRAPHIC;
2482   gi = CreateGadget(GDI_CUSTOM_ID, id,
2483                     GDI_X, SX + ED_AREA_ELEM_CONTENT3_XPOS,
2484                     GDI_Y, SY + ED_AREA_ELEM_CONTENT3_YPOS,
2485                     GDI_WIDTH, MINI_TILEX,
2486                     GDI_HEIGHT, MINI_TILEY,
2487                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2488                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2489                     GDI_EVENT_MASK, event_mask,
2490                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2491                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2492                     GDI_END);
2493
2494   if (gi == NULL)
2495     Error(ERR_EXIT, "cannot create gadget");
2496
2497   level_editor_gadget[id] = gi;
2498
2499   /* ... one areas for custom element explosion content ... */
2500   id = GADGET_ID_CUSTOM_CONTENT;
2501   gi = CreateGadget(GDI_CUSTOM_ID, id,
2502                     GDI_CUSTOM_TYPE_ID, i,
2503                     GDI_X, SX + ED_AREA_ELEM_CONTENT4_XPOS,
2504                     GDI_Y, SX + ED_AREA_ELEM_CONTENT4_YPOS,
2505                     GDI_WIDTH, 3 * MINI_TILEX,
2506                     GDI_HEIGHT, 3 * MINI_TILEY,
2507                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2508                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2509                     GDI_EVENT_MASK, event_mask,
2510                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2511                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2512                     GDI_END);
2513
2514   if (gi == NULL)
2515     Error(ERR_EXIT, "cannot create gadget");
2516
2517   level_editor_gadget[id] = gi;
2518
2519   /* ... one for each custom element change target element ... */
2520   id = GADGET_ID_CUSTOM_CHANGED;
2521   gi = CreateGadget(GDI_CUSTOM_ID, id,
2522                     GDI_X, SX + ED_AREA_ELEM_CONTENT2_XPOS,
2523                     GDI_Y, SY + ED_AREA_ELEM_CONTENT2_YPOS,
2524                     GDI_WIDTH, MINI_TILEX,
2525                     GDI_HEIGHT, MINI_TILEY,
2526                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2527                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2528                     GDI_EVENT_MASK, event_mask,
2529                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2530                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2531                     GDI_END);
2532
2533   if (gi == NULL)
2534     Error(ERR_EXIT, "cannot create gadget");
2535
2536   level_editor_gadget[id] = gi;
2537
2538   /* ... and one for random placement background restrictions */
2539
2540   id = GADGET_ID_RANDOM_BACKGROUND;
2541   gi = CreateGadget(GDI_CUSTOM_ID, id,
2542                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2543                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2544                     GDI_WIDTH, MINI_TILEX,
2545                     GDI_HEIGHT, MINI_TILEY,
2546                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2547                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2548                     GDI_EVENT_MASK, event_mask,
2549                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2550                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2551                     GDI_END);
2552
2553   if (gi == NULL)
2554     Error(ERR_EXIT, "cannot create gadget");
2555
2556   level_editor_gadget[id] = gi;
2557 }
2558
2559 static void CreateTextInputGadgets()
2560 {
2561   int max_infotext_len = getMaxInfoTextLength();
2562   int i;
2563
2564   for (i=0; i<ED_NUM_TEXTINPUT; i++)
2565   {
2566     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2567     int gd_x, gd_y;
2568     struct GadgetInfo *gi;
2569     unsigned long event_mask;
2570     char infotext[MAX_OUTPUT_LINESIZE + 1];
2571     int id = textinput_info[i].gadget_id;
2572
2573     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2574
2575     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2576     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2577
2578     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
2579     infotext[max_infotext_len] = '\0';
2580
2581     gi = CreateGadget(GDI_CUSTOM_ID, id,
2582                       GDI_CUSTOM_TYPE_ID, i,
2583                       GDI_INFO_TEXT, infotext,
2584                       GDI_X, SX + textinput_info[i].x,
2585                       GDI_Y, SY + textinput_info[i].y,
2586                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
2587                       GDI_TEXT_VALUE, textinput_info[i].value,
2588                       GDI_TEXT_SIZE, textinput_info[i].size,
2589                       GDI_TEXT_FONT, FONT_INPUT_1,
2590                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2591                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2592                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2593                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2594                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2595                       GDI_EVENT_MASK, event_mask,
2596                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2597                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
2598                       GDI_END);
2599
2600     if (gi == NULL)
2601       Error(ERR_EXIT, "cannot create gadget");
2602
2603     level_editor_gadget[id] = gi;
2604   }
2605 }
2606
2607 static void CreateSelectboxGadgets()
2608 {
2609   int max_infotext_len = getMaxInfoTextLength();
2610   int i, j;
2611
2612   for (i=0; i<ED_NUM_SELECTBOX; i++)
2613   {
2614     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2615     int gd_x, gd_y;
2616     int xoffset = 0;
2617     struct GadgetInfo *gi;
2618     unsigned long event_mask;
2619     char infotext[MAX_OUTPUT_LINESIZE + 1];
2620     int id = selectbox_info[i].gadget_id;
2621
2622     if (selectbox_info[i].size == -1)   /* dynamically determine size */
2623     {
2624       /* (we cannot use -1 for uninitialized values if we directly compare
2625          with results from strlen(), because the '<' and '>' operation will
2626          implicitely cast -1 to an unsigned integer value!) */
2627       selectbox_info[i].size = 0;
2628
2629       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
2630         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
2631           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
2632
2633       selectbox_info[i].size++;         /* add one character empty space */
2634     }
2635
2636     event_mask = GD_EVENT_RELEASED |
2637       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2638
2639     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
2640     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
2641
2642     /* determine horizontal offset for leading selectbox text */
2643     if (selectbox_info[i].text != NULL)
2644       xoffset = (getFontWidth(FONT_TEXT_1) * strlen(selectbox_info[i].text) +
2645                  2 * ED_GADGET_DISTANCE);
2646
2647     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
2648     infotext[max_infotext_len] = '\0';
2649
2650     gi = CreateGadget(GDI_CUSTOM_ID, id,
2651                       GDI_CUSTOM_TYPE_ID, i,
2652                       GDI_INFO_TEXT, infotext,
2653                       GDI_X, SX + selectbox_info[i].x + xoffset,
2654                       GDI_Y, SY + selectbox_info[i].y,
2655                       GDI_TYPE, GD_TYPE_SELECTBOX,
2656                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
2657                       GDI_SELECTBOX_INDEX, selectbox_info[i].index,
2658                       GDI_TEXT_SIZE, selectbox_info[i].size,
2659                       GDI_TEXT_FONT, FONT_INPUT_1,
2660                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2661                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2662                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2663                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2664                       GDI_BORDER_SIZE_SELECTBUTTON, getFontWidth(FONT_INPUT_1),
2665                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2666                       GDI_EVENT_MASK, event_mask,
2667                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2668                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
2669                       GDI_END);
2670
2671     if (gi == NULL)
2672       Error(ERR_EXIT, "cannot create gadget");
2673
2674     level_editor_gadget[id] = gi;
2675   }
2676 }
2677
2678 static void CreateTextbuttonGadgets()
2679 {
2680   int max_infotext_len = getMaxInfoTextLength();
2681   int i;
2682
2683   for (i=0; i<ED_NUM_TEXTBUTTON; i++)
2684   {
2685     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2686     int gd_x1, gd_x2, gd_y1, gd_y2;
2687     struct GadgetInfo *gi;
2688     unsigned long event_mask;
2689     char infotext[MAX_OUTPUT_LINESIZE + 1];
2690     int id = textbutton_info[i].gadget_id;
2691
2692     if (textbutton_info[i].size == -1)  /* dynamically determine size */
2693       textbutton_info[i].size = strlen(textbutton_info[i].text);
2694
2695     event_mask = GD_EVENT_RELEASED;
2696
2697     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
2698     {
2699       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
2700       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
2701       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
2702       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
2703     }
2704     else
2705     {
2706       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
2707       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
2708       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
2709       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
2710     }
2711
2712     sprintf(infotext, "%s", textbutton_info[i].infotext);
2713     infotext[max_infotext_len] = '\0';
2714
2715     gi = CreateGadget(GDI_CUSTOM_ID, id,
2716                       GDI_CUSTOM_TYPE_ID, i,
2717                       GDI_INFO_TEXT, infotext,
2718                       GDI_X, SX + textbutton_info[i].x,
2719                       GDI_Y, SY + textbutton_info[i].y,
2720                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
2721                       GDI_TEXT_VALUE, textbutton_info[i].text,
2722                       GDI_TEXT_SIZE, textbutton_info[i].size,
2723                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
2724                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
2725                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2726                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2727                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2728                       GDI_BORDER_SIZE, ED_BORDER2_SIZE, ED_BORDER_SIZE,
2729                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2730                       GDI_DECORATION_SHIFTING, 1, 1,
2731                       GDI_EVENT_MASK, event_mask,
2732                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2733                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
2734                       GDI_END);
2735
2736     if (gi == NULL)
2737       Error(ERR_EXIT, "cannot create gadget");
2738
2739     level_editor_gadget[id] = gi;
2740   }
2741 }
2742
2743 static void CreateScrollbarGadgets()
2744 {
2745   int i;
2746
2747   for (i=0; i<ED_NUM_SCROLLBARS; i++)
2748   {
2749     int id = scrollbar_info[i].gadget_id;
2750     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2751     int gd_x1, gd_x2, gd_y1, gd_y2;
2752     struct GadgetInfo *gi;
2753     int items_max, items_visible, item_position;
2754     unsigned long event_mask;
2755
2756     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
2757     {
2758       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
2759       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
2760       item_position = 0;
2761     }
2762     else        /* drawing area scrollbars */
2763     {
2764       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
2765       {
2766         items_max = MAX(lev_fieldx + 2, ed_fieldx);
2767         items_visible = ed_fieldx;
2768         item_position = 0;
2769       }
2770       else
2771       {
2772         items_max = MAX(lev_fieldy + 2, ed_fieldy);
2773         items_visible = ed_fieldy;
2774         item_position = 0;
2775       }
2776     }
2777
2778     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2779
2780     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
2781     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
2782                       scrollbar_info[i].height : scrollbar_info[i].width));
2783     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
2784     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
2785
2786     gi = CreateGadget(GDI_CUSTOM_ID, id,
2787                       GDI_CUSTOM_TYPE_ID, i,
2788                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2789                       GDI_X, scrollbar_info[i].x,
2790                       GDI_Y, scrollbar_info[i].y,
2791                       GDI_WIDTH, scrollbar_info[i].width,
2792                       GDI_HEIGHT, scrollbar_info[i].height,
2793                       GDI_TYPE, scrollbar_info[i].type,
2794                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2795                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2796                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2797                       GDI_STATE, GD_BUTTON_UNPRESSED,
2798                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2799                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2800                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2801                       GDI_EVENT_MASK, event_mask,
2802                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2803                       GDI_CALLBACK_ACTION, HandleControlButtons,
2804                       GDI_END);
2805
2806     if (gi == NULL)
2807       Error(ERR_EXIT, "cannot create gadget");
2808
2809     level_editor_gadget[id] = gi;
2810   }
2811 }
2812
2813 static void CreateCheckbuttonGadgets()
2814 {
2815   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2816   struct GadgetInfo *gi;
2817   unsigned long event_mask;
2818   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
2819   boolean checked;
2820   int i;
2821
2822   event_mask = GD_EVENT_PRESSED;
2823
2824   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2825   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2826   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
2827   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
2828   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
2829
2830   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
2831   {
2832     int id = radiobutton_info[i].gadget_id;
2833
2834     checked =
2835       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2836
2837     gi = CreateGadget(GDI_CUSTOM_ID, id,
2838                       GDI_CUSTOM_TYPE_ID, i,
2839                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
2840                       GDI_X, SX + radiobutton_info[i].x,
2841                       GDI_Y, SY + radiobutton_info[i].y,
2842                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2843                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2844                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
2845                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
2846                       GDI_CHECKED, checked,
2847                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2848                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2849                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2850                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2851                       GDI_EVENT_MASK, event_mask,
2852                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2853                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
2854                       GDI_END);
2855
2856     if (gi == NULL)
2857       Error(ERR_EXIT, "cannot create gadget");
2858
2859     level_editor_gadget[id] = gi;
2860   }
2861
2862   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
2863   {
2864     int id = checkbutton_info[i].gadget_id;
2865
2866     if (id == GADGET_ID_STICK_ELEMENT)
2867       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
2868     else
2869       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
2870
2871     gi = CreateGadget(GDI_CUSTOM_ID, id,
2872                       GDI_CUSTOM_TYPE_ID, i,
2873                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
2874                       GDI_X, SX + checkbutton_info[i].x,
2875                       GDI_Y, SY + checkbutton_info[i].y,
2876                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2877                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2878                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
2879                       GDI_CHECKED, *checkbutton_info[i].value,
2880                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2881                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2882                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2883                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2884                       GDI_EVENT_MASK, event_mask,
2885                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2886                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
2887                       GDI_END);
2888
2889     if (gi == NULL)
2890       Error(ERR_EXIT, "cannot create gadget");
2891
2892     level_editor_gadget[id] = gi;
2893   }
2894 }
2895
2896 void CreateLevelEditorGadgets()
2897 {
2898   int old_game_status = game_status;
2899
2900   /* setting 'game_status' is needed to get the right fonts for the editor */
2901   game_status = GAME_MODE_EDITOR;
2902
2903   ReinitializeElementList();
2904
2905   CreateControlButtons();
2906   CreateCounterButtons();
2907   CreateDrawingAreas();
2908   CreateTextInputGadgets();
2909   CreateSelectboxGadgets();
2910   CreateTextbuttonGadgets();
2911   CreateScrollbarGadgets();
2912   CreateCheckbuttonGadgets();
2913
2914   game_status = old_game_status;
2915 }
2916
2917 void FreeLevelEditorGadgets()
2918 {
2919   int i;
2920
2921   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2922     FreeGadget(level_editor_gadget[i]);
2923 }
2924
2925 static void MapCounterButtons(int id)
2926 {
2927   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
2928   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
2929   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
2930 }
2931
2932 static void MapControlButtons()
2933 {
2934   int counter_id;
2935   int i;
2936
2937   /* map toolbox buttons */
2938   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2939     MapGadget(level_editor_gadget[i]);
2940
2941   /* map buttons to select elements */
2942   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2943     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
2944   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
2945   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
2946   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
2947
2948   /* map buttons to select level */
2949   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
2950   ModifyEditorCounterLimits(counter_id,
2951                             leveldir_current->first_level,
2952                             leveldir_current->last_level);
2953   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2954   MapCounterButtons(counter_id);
2955 }
2956
2957 static void MapDrawingArea(int id)
2958 {
2959   MapGadget(level_editor_gadget[id]);
2960 }
2961
2962 static void MapTextInputGadget(int id)
2963 {
2964   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
2965 }
2966
2967 static void MapSelectboxGadget(int id)
2968 {
2969   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
2970 }
2971
2972 static void MapTextbuttonGadget(int id)
2973 {
2974   MapGadget(level_editor_gadget[textbutton_info[id].gadget_id]);
2975 }
2976
2977 static void MapRadiobuttonGadget(int id)
2978 {
2979   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
2980 }
2981
2982 static void MapCheckbuttonGadget(int id)
2983 {
2984   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
2985 }
2986
2987 static void MapMainDrawingArea()
2988 {
2989   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
2990   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
2991   int i;
2992
2993   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
2994   {
2995     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
2996           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
2997          no_horizontal_scrollbar) ||
2998         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
2999           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
3000          no_vertical_scrollbar))
3001       continue;
3002
3003     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
3004   }
3005
3006   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
3007   {
3008     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
3009         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
3010       continue;
3011
3012     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
3013   }
3014
3015   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
3016 }
3017
3018 static void UnmapDrawingArea(int id)
3019 {
3020   UnmapGadget(level_editor_gadget[id]);
3021 }
3022
3023 void UnmapLevelEditorWindowGadgets()
3024 {
3025   int i;
3026
3027   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3028     if (level_editor_gadget[i]->x < SX + SXSIZE)
3029       UnmapGadget(level_editor_gadget[i]);
3030 }
3031
3032 void UnmapLevelEditorGadgets()
3033 {
3034   int i;
3035
3036   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3037     UnmapGadget(level_editor_gadget[i]);
3038 }
3039
3040 static void ResetUndoBuffer()
3041 {
3042   undo_buffer_position = -1;
3043   undo_buffer_steps = -1;
3044   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3045 }
3046
3047 static void DrawEditModeWindow()
3048 {
3049   if (edit_mode == ED_MODE_INFO)
3050     DrawLevelInfoWindow();
3051   else if (edit_mode == ED_MODE_PROPERTIES)
3052     DrawPropertiesWindow();
3053   else  /* edit_mode == ED_MODE_DRAWING */
3054     DrawDrawingWindow();
3055 }
3056
3057 static boolean LevelChanged()
3058 {
3059   boolean level_changed = FALSE;
3060   int x, y;
3061
3062   for(y=0; y<lev_fieldy; y++)
3063     for(x=0; x<lev_fieldx; x++)
3064       if (Feld[x][y] != Ur[x][y])
3065         level_changed = TRUE;
3066
3067   return level_changed;
3068 }
3069
3070 static boolean LevelContainsPlayer()
3071 {
3072   boolean player_found = FALSE;
3073   int x, y;
3074
3075   for(y=0; y<lev_fieldy; y++)
3076     for(x=0; x<lev_fieldx; x++)
3077       if (Feld[x][y] == EL_PLAYER_1 ||
3078           Feld[x][y] == EL_SP_MURPHY)
3079         player_found = TRUE;
3080
3081   return player_found;
3082 }
3083
3084 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
3085                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
3086 {
3087   int x, y;
3088
3089   for(x=0; x<lev_fieldx; x++)
3090     for(y=0; y<lev_fieldy; y++)
3091       dst[x][y] = src[x][y];
3092 }
3093
3094 static void CopyCustomElementPropertiesToEditor(int element)
3095 {
3096   int i;
3097
3098   i = properties_element - EL_CUSTOM_START;
3099   custom_element = level.custom_element[i];
3100
3101   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3102     custom_element_properties[i] = HAS_PROPERTY(element, i);
3103
3104   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3105     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
3106
3107   /* set walk-to-object action selectbox help value */
3108   custom_element.walk_to_action =
3109     (IS_DIGGABLE(element) ? EP_DIGGABLE :
3110      IS_COLLECTIBLE(element) ? EP_COLLECTIBLE :
3111      IS_PUSHABLE(element) ? EP_PUSHABLE :
3112      EP_DIGGABLE);
3113
3114   /* set walkable layer selectbox help value */
3115   custom_element.walkable_layer =
3116     (IS_WALKABLE_OVER(element) ? EP_WALKABLE_OVER :
3117      IS_WALKABLE_INSIDE(element) ? EP_WALKABLE_INSIDE :
3118      IS_WALKABLE_UNDER(element) ? EP_WALKABLE_UNDER :
3119      EP_WALKABLE_OVER);
3120 }
3121
3122 static void CopyCustomElementPropertiesToGame(int element)
3123 {
3124   int i;
3125
3126   i = properties_element - EL_CUSTOM_START;
3127   level.custom_element[i] = custom_element;
3128
3129   /* set walk-to-object property from checkbox and selectbox */
3130   custom_element_properties[EP_DIGGABLE] = FALSE;
3131   custom_element_properties[EP_COLLECTIBLE] = FALSE;
3132   custom_element_properties[EP_PUSHABLE] = FALSE;
3133   custom_element_properties[custom_element.walk_to_action] =
3134     custom_element_properties[EP_WALK_TO_OBJECT];
3135
3136   /* set walkable property from checkbox and selectbox */
3137   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
3138   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
3139   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
3140   custom_element_properties[custom_element.walkable_layer] =
3141     custom_element_properties[EP_WALKABLE];
3142
3143   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3144     SET_PROPERTY(element, i, custom_element_properties[i]);
3145
3146   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3147     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
3148
3149   /* copy change events also to special level editor variable */
3150   i = properties_element - EL_CUSTOM_START;
3151   custom_element = level.custom_element[i];
3152 }
3153
3154 void DrawLevelEd()
3155 {
3156   CloseDoor(DOOR_CLOSE_ALL);
3157   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
3158
3159   if (level_editor_test_game)
3160   {
3161     CopyPlayfield(Ur, Feld);
3162     CopyPlayfield(FieldBackup, Ur);
3163
3164     level_editor_test_game = FALSE;
3165   }
3166   else
3167   {
3168     edit_mode = ED_MODE_DRAWING;
3169     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
3170
3171     ResetUndoBuffer();
3172
3173     level_xpos = -1;
3174     level_ypos = -1;
3175   }
3176
3177   /* copy default editor door content to main double buffer */
3178   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3179              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
3180
3181   /* draw mouse button brush elements */
3182   DrawMiniGraphicExt(drawto,
3183                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3184                      el2edimg(new_element1));
3185   DrawMiniGraphicExt(drawto,
3186                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3187                      el2edimg(new_element2));
3188   DrawMiniGraphicExt(drawto,
3189                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3190                      el2edimg(new_element3));
3191
3192   /* draw bigger door */
3193   DrawSpecialEditorDoor();
3194
3195   /* draw new control window */
3196   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3197              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
3198
3199   redraw_mask |= REDRAW_ALL;
3200
3201   ReinitializeElementListButtons();     /* only needed after setup changes */
3202
3203   UnmapTapeButtons();
3204   MapControlButtons();
3205
3206   /* copy actual editor door content to door double buffer for OpenDoor() */
3207   BlitBitmap(drawto, bitmap_db_door,
3208              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
3209
3210   DrawEditModeWindow();
3211
3212   OpenDoor(DOOR_OPEN_1);
3213 }
3214
3215 static void AdjustDrawingAreaGadgets()
3216 {
3217   int ed_xsize = lev_fieldx + 2;
3218   int ed_ysize = lev_fieldy + 2;
3219   int max_ed_fieldx = MAX_ED_FIELDX;
3220   int max_ed_fieldy = MAX_ED_FIELDY;
3221   boolean horizontal_scrollbar_needed;
3222   boolean vertical_scrollbar_needed;
3223   int x, y, width, height;
3224   int xoffset, yoffset;
3225
3226   /* check if we need any scrollbars */
3227   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3228   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3229
3230   /* check if we have a smaller editor field because of scrollbars */
3231   if (horizontal_scrollbar_needed)
3232     max_ed_fieldy = MAX_ED_FIELDY - 1;
3233   if (vertical_scrollbar_needed)
3234     max_ed_fieldx = MAX_ED_FIELDX - 1;
3235
3236   /* check again if we now need more scrollbars because of less space */
3237   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3238   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3239
3240   /* check if editor field gets even smaller after adding new scrollbars */
3241   if (horizontal_scrollbar_needed)
3242     max_ed_fieldy = MAX_ED_FIELDY - 1;
3243   if (vertical_scrollbar_needed)
3244     max_ed_fieldx = MAX_ED_FIELDX - 1;
3245
3246   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
3247   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
3248
3249   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
3250                GDI_WIDTH, ed_fieldx * MINI_TILEX,
3251                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
3252                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
3253                GDI_END);
3254
3255   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
3256   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
3257
3258   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
3259   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
3260
3261   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
3262   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
3263
3264   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
3265   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
3266
3267   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3268                GDI_WIDTH, width,
3269                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
3270                GDI_END);
3271   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
3272                GDI_HEIGHT, height,
3273                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
3274                GDI_END);
3275 }
3276
3277 static void AdjustLevelScrollPosition()
3278 {
3279   if (level_xpos < -1)
3280     level_xpos = -1;
3281   if (level_xpos > lev_fieldx - ed_fieldx + 1)
3282     level_xpos = lev_fieldx - ed_fieldx + 1;
3283   if (lev_fieldx < ed_fieldx - 2)
3284     level_xpos = -1;
3285
3286   if (level_ypos < -1)
3287     level_ypos = -1;
3288   if (level_ypos > lev_fieldy - ed_fieldy + 1)
3289     level_ypos = lev_fieldy - ed_fieldy + 1;
3290   if (lev_fieldy < ed_fieldy - 2)
3291     level_ypos = -1;
3292 }
3293
3294 static void AdjustEditorScrollbar(int id)
3295 {
3296   struct GadgetInfo *gi = level_editor_gadget[id];
3297   int items_max, items_visible, item_position;
3298
3299   if (id == GADGET_ID_SCROLL_HORIZONTAL)
3300   {
3301     items_max = MAX(lev_fieldx + 2, ed_fieldx);
3302     items_visible = ed_fieldx;
3303     item_position = level_xpos + 1;
3304   }
3305   else
3306   {
3307     items_max = MAX(lev_fieldy + 2, ed_fieldy);
3308     items_visible = ed_fieldy;
3309     item_position = level_ypos + 1;
3310   }
3311
3312   if (item_position > items_max - items_visible)
3313     item_position = items_max - items_visible;
3314
3315   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
3316                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
3317 }
3318
3319 static void ModifyEditorTextInput(int textinput_id, char *new_text)
3320 {
3321   int gadget_id = textinput_info[textinput_id].gadget_id;
3322   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3323
3324   ModifyGadget(gi, GDI_TEXT_VALUE, new_text, GDI_END);
3325 }
3326
3327 static void ModifyEditorCounter(int counter_id, int new_value)
3328 {
3329   int *counter_value = counterbutton_info[counter_id].value;
3330   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3331   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3332
3333   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
3334
3335   if (counter_value != NULL)
3336     *counter_value = gi->text.number_value;
3337 }
3338
3339 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
3340 {
3341   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3342   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3343
3344   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
3345 }
3346
3347 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
3348 {
3349   int gadget_id = selectbox_info[selectbox_id].gadget_id;
3350   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3351   int new_index_value = 0;
3352   int i;
3353
3354   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
3355     if (selectbox_info[selectbox_id].options[i].value == new_value)
3356       new_index_value = i;
3357
3358   *selectbox_info[selectbox_id].value =
3359     selectbox_info[selectbox_id].options[new_index_value].value;
3360
3361   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
3362 }
3363
3364 static void ModifyEditorElementList()
3365 {
3366   int i;
3367
3368   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3369   {
3370     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
3371     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3372     struct GadgetDesign *gd = &gi->deco.design;
3373     int element = editor_elements[element_shift + i];
3374
3375     UnmapGadget(gi);
3376     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
3377     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
3378     MapGadget(gi);
3379   }
3380 }
3381
3382 static void PickDrawingElement(int button, int element)
3383 {
3384   if (button < 1 || button > 3)
3385     return;
3386
3387   if (button == 1)
3388   {
3389     new_element1 = element;
3390     DrawMiniGraphicExt(drawto,
3391                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3392                        el2edimg(new_element1));
3393   }
3394   else if (button == 2)
3395   {
3396     new_element2 = element;
3397     DrawMiniGraphicExt(drawto,
3398                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3399                        el2edimg(new_element2));
3400   }
3401   else
3402   {
3403     new_element3 = element;
3404     DrawMiniGraphicExt(drawto,
3405                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3406                        el2edimg(new_element3));
3407   }
3408
3409   redraw_mask |= REDRAW_DOOR_1;
3410 }
3411
3412 static void DrawDrawingWindow()
3413 {
3414   stick_element_properties_window = FALSE;
3415
3416   SetMainBackgroundImage(IMG_UNDEFINED);
3417   ClearWindow();
3418   UnmapLevelEditorWindowGadgets();
3419
3420   AdjustDrawingAreaGadgets();
3421   AdjustLevelScrollPosition();
3422   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
3423   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
3424
3425   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3426   MapMainDrawingArea();
3427 }
3428
3429 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
3430                               boolean input)
3431 {
3432   int border_graphic =
3433     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
3434   Bitmap *src_bitmap;
3435   int src_x, src_y;
3436   int num_mini_tilex = width / MINI_TILEX + 1;
3437   int num_mini_tiley = width / MINI_TILEY + 1;
3438   int x, y;
3439
3440   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3441
3442   for (y=0; y < num_mini_tiley; y++)
3443     for (x=0; x < num_mini_tilex; x++)
3444       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3445                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3446                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3447
3448   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3449 }
3450
3451 static void DrawRandomPlacementBackgroundArea()
3452 {
3453   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
3454   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
3455   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
3456   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
3457
3458   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3459   DrawMiniElement(area_x, area_y, random_placement_background_element);
3460
3461   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
3462 }
3463
3464 static void DrawLevelInfoWindow()
3465 {
3466   char infotext[MAX_OUTPUT_LINESIZE + 1];
3467   int max_infotext_len = getMaxInfoTextLength();
3468   int xoffset_above = 0;
3469   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3470   int xoffset_right = getCounterGadgetWidth();
3471   int yoffset_right = ED_BORDER_SIZE;
3472   int xoffset_right2 = ED_SETTINGS_XOFFSET;
3473   int yoffset_right2 = ED_BORDER_SIZE;
3474   int i, x, y;
3475
3476   stick_element_properties_window = FALSE;
3477
3478   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
3479   ClearWindow();
3480   UnmapLevelEditorWindowGadgets();
3481
3482   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
3483            "Level Settings", FONT_TITLE_1);
3484   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
3485            "Editor Settings", FONT_TITLE_1);
3486
3487   /* draw counter gadgets */
3488   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
3489   {
3490     if (counterbutton_info[i].infotext_above)
3491     {
3492       x = counterbutton_info[i].x + xoffset_above;
3493       y = counterbutton_info[i].y + yoffset_above;
3494
3495       sprintf(infotext, "%s:", counterbutton_info[i].infotext_above);
3496       infotext[max_infotext_len] = '\0';
3497       DrawTextF(x, y, FONT_TEXT_1, infotext);
3498     }
3499
3500     if (counterbutton_info[i].infotext_right)
3501     {
3502       x = counterbutton_info[i].x + xoffset_right;
3503       y = counterbutton_info[i].y + yoffset_right;
3504
3505       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
3506       infotext[max_infotext_len] = '\0';
3507       DrawTextF(x, y, FONT_TEXT_1, infotext);
3508     }
3509
3510     ModifyEditorCounter(i, *counterbutton_info[i].value);
3511     MapCounterButtons(i);
3512   }
3513
3514   /* draw text input gadgets */
3515   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
3516   {
3517     x = textinput_info[i].x + xoffset_above;
3518     y = textinput_info[i].y + yoffset_above;
3519
3520     sprintf(infotext, "%s:", textinput_info[i].infotext);
3521     infotext[max_infotext_len] = '\0';
3522
3523     DrawTextF(x, y, FONT_TEXT_1, infotext);
3524     ModifyEditorTextInput(i, textinput_info[i].value);
3525     MapTextInputGadget(i);
3526   }
3527
3528   /* draw radiobutton gadgets */
3529   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
3530   {
3531     boolean checked =
3532       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3533
3534     x = radiobutton_info[i].x + xoffset_right2;
3535     y = radiobutton_info[i].y + yoffset_right2;
3536
3537     DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[i].text);
3538     ModifyGadget(level_editor_gadget[radiobutton_info[i].gadget_id],
3539                  GDI_CHECKED, checked, GDI_END);
3540     MapRadiobuttonGadget(i);
3541   }
3542
3543   /* draw checkbutton gadgets */
3544   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
3545   {
3546     x = checkbutton_info[i].x + xoffset_right2;
3547     y = checkbutton_info[i].y + yoffset_right2;
3548
3549     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3550     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3551                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3552     MapCheckbuttonGadget(i);
3553   }
3554
3555   /* draw drawing area */
3556   DrawRandomPlacementBackgroundArea();
3557 }
3558
3559 static void DrawAmoebaContentArea()
3560 {
3561   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3562   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3563   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3564   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3565
3566   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3567   DrawMiniElement(area_x, area_y, level.amoeba_content);
3568
3569   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
3570
3571   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
3572 }
3573
3574 static void DrawCustomGraphicElementArea()
3575 {
3576   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_GRAPHIC];
3577 #if 0
3578   int xoffset_right2 = ED_SETTINGS_XOFFSET;
3579   int yoffset_right2 = ED_BORDER_SIZE;
3580   int i = ED_CHECKBUTTON_ID_CUSTOM_GRAPHIC;
3581   int text_len = strlen(checkbutton_info[i].text);
3582   int text_width = text_len * getFontWidth(FONT_TEXT_1);
3583   int xpos = checkbutton_info[i].x + 2 * xoffset_right2 + text_width;
3584   int ypos = checkbutton_info[i].y + yoffset_right2;
3585 #else
3586   int xpos = ED_AREA_ELEM_CONTENT3_XPOS;
3587   int ypos = ED_AREA_ELEM_CONTENT3_YPOS;
3588 #endif
3589   int area_sx = SX + xpos;
3590   int area_sy = SY + ypos;
3591
3592   if (!IS_CUSTOM_ELEMENT(properties_element))
3593   {
3594     /* this should never happen */
3595     Error(ERR_WARN, "element %d is no custom element", properties_element);
3596
3597     return;
3598   }
3599
3600   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3601   DrawMiniGraphicExt(drawto, gi->x, gi->y,
3602                      el2edimg(custom_element.gfx_element));
3603
3604   MapDrawingArea(GADGET_ID_CUSTOM_GRAPHIC);
3605 }
3606
3607 static void DrawCustomContentArea()
3608 {
3609   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CONTENT];
3610   int area_sx = SX + ED_AREA_ELEM_CONTENT4_XPOS;
3611   int area_sy = SY + ED_AREA_ELEM_CONTENT4_YPOS;
3612   int x, y;
3613
3614   if (!IS_CUSTOM_ELEMENT(properties_element))
3615   {
3616     /* this should never happen */
3617     Error(ERR_WARN, "element %d is no custom element", properties_element);
3618
3619     return;
3620   }
3621
3622   DrawElementBorder(area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
3623
3624   for (y=0; y<3; y++)
3625     for (x=0; x<3; x++)
3626       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
3627                          el2edimg(custom_element.content[x][y]));
3628
3629   MapDrawingArea(GADGET_ID_CUSTOM_CONTENT);
3630 }
3631
3632 static void DrawCustomChangedArea()
3633 {
3634   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGED];
3635 #if 0
3636   int xoffset_right2 = ED_SETTINGS_XOFFSET;
3637   int yoffset_right2 = ED_BORDER_SIZE;
3638   int i = ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE;
3639   int text_len = strlen(checkbutton_info[i].text);
3640   int text_width = text_len * getFontWidth(FONT_TEXT_1);
3641   int xpos = checkbutton_info[i].x + 2 * xoffset_right2 + text_width;
3642   int ypos = checkbutton_info[i].y + yoffset_right2;
3643 #else
3644   int xpos = ED_AREA_ELEM_CONTENT2_XPOS;
3645   int ypos = ED_AREA_ELEM_CONTENT2_YPOS;
3646 #endif
3647   int area_sx = SX + xpos;
3648   int area_sy = SY + ypos;
3649
3650   if (!IS_CUSTOM_ELEMENT(properties_element))
3651   {
3652     /* this should never happen */
3653     Error(ERR_WARN, "element %d is no custom element", properties_element);
3654
3655     return;
3656   }
3657
3658   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3659   DrawMiniGraphicExt(drawto, gi->x, gi->y,
3660                      el2edimg(custom_element.change.successor));
3661
3662   MapDrawingArea(GADGET_ID_CUSTOM_CHANGED);
3663 }
3664
3665 static void DrawElementContentAreas()
3666 {
3667   int counter_id = ED_COUNTER_ID_ELEMENT_CONTENT;
3668   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3669   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3670   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3671   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3672   int xoffset_right = getCounterGadgetWidth();
3673   int yoffset_right = ED_BORDER_SIZE;
3674   int i, x, y;
3675
3676   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
3677     UnmapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
3678
3679   /* display counter to choose number of element content areas */
3680   x = counterbutton_info[counter_id].x + xoffset_right;
3681   y = counterbutton_info[counter_id].y + yoffset_right;
3682   DrawTextF(x, y, FONT_TEXT_1, "number of content areas");
3683
3684   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
3685   MapCounterButtons(counter_id);
3686
3687   /* delete content areas in case of reducing number of them */
3688   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
3689
3690   for (i=0; i<level.num_yamyam_contents; i++)
3691     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
3692                       area_sy + 6 * (i / 4) * MINI_TILEY,
3693                       3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
3694
3695   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
3696            "Content", FONT_TEXT_1);
3697   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
3698            "when",    FONT_TEXT_1);
3699   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
3700            "smashed", FONT_TEXT_1);
3701
3702   for (i=0; i<level.num_yamyam_contents; i++)
3703   {
3704     for (y=0; y<3; y++)
3705       for (x=0; x<3; x++)
3706         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
3707                         level.yamyam_content[i][x][y]);
3708
3709     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
3710               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
3711               FONT_TEXT_1, "%d", i + 1);
3712   }
3713
3714   for (i=0; i<level.num_yamyam_contents; i++)
3715     MapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
3716 }
3717
3718 char *getElementDescriptionFilename(int element)
3719 {
3720   char *docs_dir = options.docs_directory;
3721   char *elements_subdir = "elements";
3722   static char *filename = NULL;
3723   char basename[MAX_FILENAME_LEN];
3724
3725   if (filename != NULL)
3726     free(filename);
3727
3728   /* 1st try: look for element description file for exactly this element */
3729   sprintf(basename, "%s.txt", element_info[element].token_name);
3730   filename = getPath3(docs_dir, elements_subdir, basename);
3731   if (fileExists(filename))
3732     return filename;
3733
3734   free(filename);
3735
3736   /* 2nd try: look for element description file for this element's class */
3737   sprintf(basename, "%s.txt", element_info[element].class_name);
3738   filename = getPath3(docs_dir, elements_subdir, basename);
3739   if (fileExists(filename))
3740     return filename;
3741
3742   return NULL;
3743 }
3744
3745 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
3746 {
3747   int font_height = getFontHeight(font_nr);
3748   int pad_x = ED_SETTINGS_XPOS(0);
3749   int pad_y = ED_SETTINGS_YPOS(0);
3750   int sx = SX + pad_x;
3751   int sy = SY + pad_y;
3752   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
3753
3754   if (screen_line >= max_lines_per_screen)
3755     return FALSE;
3756
3757   DrawText(sx, sy + screen_line * font_height, text, font_nr);
3758
3759   return TRUE;
3760 }
3761
3762 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
3763 {
3764   int font_nr = FONT_TEXT_2;
3765   int font_width = getFontWidth(font_nr);
3766   int pad_x = ED_SETTINGS_XPOS(0);
3767   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
3768   char line[MAX_LINE_LEN];
3769   char buffer[max_chars_per_line + 1];
3770   int buffer_len;
3771   int lines_printed = 0;
3772   FILE *file;
3773
3774   if (filename == NULL)
3775     return 0;
3776
3777   if (!(file = fopen(filename, MODE_READ)))
3778     return 0;
3779
3780   buffer[0] = '\0';
3781   buffer_len = 0;
3782
3783   while(!feof(file))
3784   {
3785     char *line_ptr, *word_ptr;
3786     boolean last_line_was_empty = TRUE;
3787
3788     /* read next line of input file */
3789     if (!fgets(line, MAX_LINE_LEN, file))
3790       break;
3791
3792     /* skip comments (lines directly beginning with '#') */
3793     if (line[0] == '#')
3794       continue;
3795
3796     /* cut trailing newline from input line */
3797     for (line_ptr = line; *line_ptr; line_ptr++)
3798     {
3799       if (*line_ptr == '\n' || *line_ptr == '\r')
3800       {
3801         *line_ptr = '\0';
3802         break;
3803       }
3804     }
3805
3806     if (strlen(line) == 0)              /* special case: force empty line */
3807       strcpy(line, "\n");
3808
3809     word_ptr = line;
3810
3811     while (*word_ptr)
3812     {
3813       boolean print_buffer = FALSE;
3814       int word_len;
3815
3816       /* skip leading whitespaces */
3817       while (*word_ptr == ' ' || *word_ptr == '\t')
3818         word_ptr++;
3819
3820       line_ptr = word_ptr;
3821       word_len = 0;
3822
3823       /* look for end of next word */
3824       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
3825       {
3826         line_ptr++;
3827         word_len++;
3828       }
3829
3830       if (word_len == 0)
3831       {
3832         continue;
3833       }
3834       else if (*word_ptr == '\n')       /* special case: force empty line */
3835       {
3836         if (buffer_len == 0)
3837           word_ptr++;
3838
3839         /* prevent printing of multiple empty lines */
3840         if (buffer_len > 0 || !last_line_was_empty)
3841           print_buffer = TRUE;
3842       }
3843       else if (word_len < max_chars_per_line - buffer_len)
3844       {
3845         /* word fits into text buffer -- add word */
3846
3847         if (buffer_len > 0)
3848           buffer[buffer_len++] = ' ';
3849
3850         strncpy(&buffer[buffer_len], word_ptr, word_len);
3851         buffer_len += word_len;
3852         buffer[buffer_len] = '\0';
3853         word_ptr += word_len;
3854       }
3855       else if (buffer_len > 0)
3856       {
3857         /* not enough space left for word in text buffer -- print buffer */
3858
3859         print_buffer = TRUE;
3860       }
3861       else
3862       {
3863         /* word does not fit at all into empty text buffer -- cut word */
3864
3865         strncpy(buffer, word_ptr, max_chars_per_line);
3866         buffer[max_chars_per_line] = '\0';
3867         word_ptr += max_chars_per_line;
3868         print_buffer = TRUE;
3869       }
3870
3871       if (print_buffer)
3872       {
3873         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
3874           return lines_printed;
3875
3876         last_line_was_empty = (buffer_len == 0);
3877         lines_printed++;
3878
3879         buffer[0] = '\0';
3880         buffer_len = 0;
3881         print_buffer = FALSE;
3882       }
3883     }
3884   }
3885
3886   fclose(file);
3887
3888   if (buffer_len > 0)
3889     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
3890       lines_printed++;
3891
3892   return lines_printed;
3893 }
3894
3895 static void DrawPropertiesTabulatorGadgets()
3896 {
3897   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
3898   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
3899   int gd_x = gd->x + gd_gi->border.width / 2;
3900   int gd_y = gd->y + gd_gi->height - 1;
3901   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
3902   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
3903   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
3904   int i;
3905
3906   /* draw additional "configure" tabulator for configurable elements */
3907   if (checkPropertiesConfig())
3908     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
3909
3910   /* draw additional "advanced" tabulator for custom elements */
3911   if (IS_CUSTOM_ELEMENT(properties_element))
3912     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
3913
3914   for (i=id_first; i <= id_last; i++)
3915   {
3916     int gadget_id = textbutton_info[i].gadget_id;
3917     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3918     boolean active = (i != edit_mode_properties);
3919
3920     /* draw background line below tabulator button */
3921     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
3922
3923     /* draw solid line below inactive tabulator buttons */
3924     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
3925       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
3926
3927     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
3928     MapTextbuttonGadget(i);
3929   }
3930
3931   /* draw little border line below tabulator buttons */
3932   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
3933     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
3934                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
3935                   ED_GADGET_DISTANCE, tab_color);
3936 }
3937
3938 static void DrawPropertiesInfo()
3939 {
3940   static struct
3941   {
3942     int value;
3943     char *text;
3944   }
3945   properties[] =
3946   {
3947     /* configurable properties */
3948     { EP_INDESTRUCTIBLE,        "- undestructible"                      },
3949     { EP_DIGGABLE,              "- diggable"                            },
3950     { EP_COLLECTIBLE,           "- collectible"                         },
3951     { EP_PUSHABLE,              "- pushable"                            },
3952     { EP_CAN_FALL,              "- can fall"                            },
3953     { EP_CAN_SMASH,             "- can smash other objects"             },
3954     { EP_CAN_MOVE,              "- can move"                            },
3955     { EP_SLIPPERY,              "- slippery for falling objects"        },
3956     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
3957     { EP_WALKABLE_OVER,         "- player can walk over it"             },
3958     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
3959     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
3960     { EP_PASSABLE_OVER,         "- player can pass over it"             },
3961     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
3962     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
3963
3964     /* pre-defined properties */
3965     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
3966     { EP_DONT_TOUCH,            "- deadly when touched"                 },
3967     { EP_ENEMY,                 "- can kill the player"                 },
3968     { EP_DONT_GO_TO,            "- deadly when walked to"               },
3969     { EP_CAN_EXPLODE,           "- can explode"                         },
3970     { EP_HAS_CONTENT,           "- can contain other elements"          },
3971
3972     { -1,                       NULL                                    }
3973   };
3974   char *filename = getElementDescriptionFilename(properties_element);
3975   char *percentage_text = "In this level:";
3976   char *properties_text = "Standard properties:";
3977   float percentage;
3978   int num_elements_in_level;
3979   int num_standard_properties = 0;
3980   int font1_nr = FONT_TEXT_1;
3981   int font2_nr = FONT_TEXT_2;
3982   int font1_width = getFontWidth(font1_nr);
3983   int font2_height = getFontHeight(font2_nr);
3984   int pad_x = ED_SETTINGS_XPOS(0);
3985   int pad_y = ED_SETTINGS_YPOS(0);
3986   int screen_line = 0;
3987   int i, x, y;
3988
3989   /* ----- print number of elements / percentage of this element in level */
3990
3991   num_elements_in_level = 0;
3992   for (y=0; y<lev_fieldy; y++)
3993     for (x=0; x<lev_fieldx; x++)
3994       if (Feld[x][y] == properties_element)
3995         num_elements_in_level++;
3996   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
3997
3998   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
3999             percentage_text);
4000   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
4001             pad_y + screen_line++ * font2_height, font2_nr,
4002             "%d (%.2f%%)", num_elements_in_level, percentage);
4003
4004   screen_line++;
4005
4006   /* ----- print standard properties of this element */
4007
4008   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
4009             properties_text);
4010
4011   for (i=0; properties[i].value != -1; i++)
4012   {
4013     if (!HAS_PROPERTY(properties_element, properties[i].value))
4014       continue;
4015
4016     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
4017               properties[i].text);
4018     num_standard_properties++;
4019   }
4020
4021   if (num_standard_properties == 0)
4022     DrawTextF(pad_x + strlen(properties_text) * font1_width,
4023               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
4024
4025   screen_line++;
4026
4027   /* ----- print special description of this element */
4028
4029   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
4030   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
4031     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
4032 }
4033
4034 #define TEXT_COLLECTING         "Score for collecting"
4035 #define TEXT_SMASHING           "Score for smashing"
4036 #define TEXT_CRACKING           "Score for cracking"
4037 #define TEXT_SPEED              "Speed of amoeba growth"
4038 #define TEXT_DURATION           "Duration when activated"
4039
4040 static struct
4041 {
4042   int element;
4043   int *value;
4044   char *text;
4045 } elements_with_counter[] =
4046 {
4047   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
4048   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
4049   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4050   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4051   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4052   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
4053   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
4054   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
4055   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
4056   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
4057   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
4058   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
4059   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
4060   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
4061   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4062   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4063   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4064   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4065   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4066   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4067   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4068   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4069   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4070   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4071   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
4072   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
4073   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
4074   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4075   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4076   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
4077   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
4078   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
4079   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
4080   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
4081   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
4082   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4083   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4084   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4085   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4086   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
4087   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
4088   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
4089   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
4090   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
4091   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
4092   { -1,                 NULL,                           NULL            }
4093 };
4094
4095 static boolean checkPropertiesConfig()
4096 {
4097   int i;
4098
4099   if (IS_GEM(properties_element) ||
4100       IS_CUSTOM_ELEMENT(properties_element) ||
4101       HAS_CONTENT(properties_element))
4102     return TRUE;
4103   else
4104     for (i=0; elements_with_counter[i].element != -1; i++)
4105       if (elements_with_counter[i].element == properties_element)
4106         return TRUE;
4107
4108   return FALSE;
4109 }
4110
4111 static void DrawPropertiesConfig()
4112 {
4113   boolean element_has_score = FALSE;
4114   char *element_score_text = NULL;
4115   static int temporary_dummy_score = 0;
4116   int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
4117   int xoffset_right = getCounterGadgetWidth();
4118   int yoffset_right = ED_BORDER_SIZE;
4119   int xoffset_right2 = ED_SETTINGS_XOFFSET;
4120   int yoffset_right2 = ED_BORDER_SIZE;
4121   int i, x, y;
4122
4123   /* check if there are elements where a score can be chosen for */
4124   for (i=0; elements_with_counter[i].element != -1; i++)
4125   {
4126     if (elements_with_counter[i].element == properties_element)
4127     {
4128 #if 1
4129       counterbutton_info[counter_id].value = elements_with_counter[i].value;
4130       element_score_text = elements_with_counter[i].text;
4131       element_has_score = TRUE;
4132 #else
4133       int x = counterbutton_info[counter_id].x + xoffset_right;
4134       int y = counterbutton_info[counter_id].y + yoffset_right;
4135
4136       counterbutton_info[counter_id].value = elements_with_counter[i].value;
4137       DrawTextF(x, y, FONT_TEXT_1, elements_with_counter[i].text);
4138
4139       ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
4140       MapCounterButtons(counter_id);
4141 #endif
4142       break;
4143     }
4144   }
4145
4146   if (IS_CUSTOM_ELEMENT(properties_element))
4147   {
4148     counterbutton_info[counter_id].value = &temporary_dummy_score;
4149     element_score_text = "Score for certain actions";
4150     element_has_score = TRUE;
4151   }
4152
4153   if (element_has_score)
4154   {
4155     int x = counterbutton_info[counter_id].x + xoffset_right;
4156     int y = counterbutton_info[counter_id].y + yoffset_right;
4157
4158     DrawTextF(x, y, FONT_TEXT_1, element_score_text);
4159
4160     ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
4161     MapCounterButtons(counter_id);
4162   }
4163
4164   if (HAS_CONTENT(properties_element) ||
4165       IS_CUSTOM_ELEMENT(properties_element))
4166   {
4167     /* draw stickybutton gadget */
4168     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4169     if (HAS_CONTENT(properties_element))
4170       checkbutton_info[i].y = ED_COUNTER_YPOS(4);
4171     else
4172       checkbutton_info[i].y = ED_SETTINGS_YPOS(1);
4173     x = checkbutton_info[i].x + xoffset_right2;
4174     y = checkbutton_info[i].y + yoffset_right2;
4175
4176     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4177     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4178                  GDI_CHECKED, *checkbutton_info[i].value,
4179                  GDI_Y, SY + checkbutton_info[i].y, GDI_END);
4180     MapCheckbuttonGadget(i);
4181
4182     if (IS_CUSTOM_ELEMENT(properties_element))
4183     {
4184       DrawCustomGraphicElementArea();
4185       DrawCustomContentArea();
4186     }
4187     else if (IS_AMOEBOID(properties_element))
4188       DrawAmoebaContentArea();
4189     else
4190       DrawElementContentAreas();
4191   }
4192
4193   if (IS_GEM(properties_element))
4194   {
4195     /* draw checkbutton gadget */
4196     i = ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS;
4197     x = checkbutton_info[i].x + xoffset_right2;
4198     y = checkbutton_info[i].y + yoffset_right2;
4199
4200     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4201     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4202                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
4203     MapCheckbuttonGadget(i);
4204   }
4205
4206   if (IS_CUSTOM_ELEMENT(properties_element))
4207   {
4208     /* draw checkbutton gadgets */
4209     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
4210          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
4211     {
4212       x = checkbutton_info[i].x + xoffset_right2;
4213       y = checkbutton_info[i].y + yoffset_right2;
4214
4215       DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4216       ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4217                    GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
4218       MapCheckbuttonGadget(i);
4219     }
4220
4221     /* draw selectbox gadgets */
4222     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
4223     {
4224       int yoffset = ED_BORDER_SIZE;
4225
4226       x = selectbox_info[i].x;
4227       y = selectbox_info[i].y + yoffset;
4228
4229       DrawTextF(x, y, FONT_TEXT_1, selectbox_info[i].text);
4230       ModifyEditorSelectbox(i, *selectbox_info[i].value);
4231       MapSelectboxGadget(i);
4232     }
4233
4234     /* draw textbutton gadgets */
4235     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
4236   }
4237 }
4238
4239 static void DrawPropertiesAdvanced()
4240 {
4241   char infotext[MAX_OUTPUT_LINESIZE + 1];
4242   int max_infotext_len = getMaxInfoTextLength();
4243   int xoffset_right = getCounterGadgetWidth();
4244   int yoffset_right = ED_BORDER_SIZE;
4245   int xoffset_right2 = ED_SETTINGS_XOFFSET;
4246   int yoffset_right2 = ED_BORDER_SIZE;
4247   int i, x, y;
4248
4249   /* draw stickybutton gadget */
4250   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4251   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4252   x = checkbutton_info[i].x + xoffset_right2;
4253   y = checkbutton_info[i].y + yoffset_right2;
4254
4255   DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4256   ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4257                GDI_CHECKED, *checkbutton_info[i].value,
4258                GDI_Y, SY + checkbutton_info[i].y, GDI_END);
4259   MapCheckbuttonGadget(i);
4260
4261   /* draw counter gadgets */
4262   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
4263   {
4264     if (counterbutton_info[i].infotext_right)
4265     {
4266       x = counterbutton_info[i].x + xoffset_right;
4267       y = counterbutton_info[i].y + yoffset_right;
4268
4269       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
4270       infotext[max_infotext_len] = '\0';
4271       DrawTextF(x, y, FONT_TEXT_1, infotext);
4272     }
4273
4274     ModifyEditorCounter(i, *counterbutton_info[i].value);
4275     MapCounterButtons(i);
4276   }
4277
4278   /* draw checkbutton gadgets */
4279   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
4280        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
4281   {
4282     x = checkbutton_info[i].x + xoffset_right2;
4283     y = checkbutton_info[i].y + yoffset_right2;
4284
4285     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4286     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4287                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
4288     MapCheckbuttonGadget(i);
4289   }
4290
4291   /* draw selectbox gadgets */
4292   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
4293   {
4294     int yoffset = ED_BORDER_SIZE;
4295
4296     x = selectbox_info[i].x;
4297     y = selectbox_info[i].y + yoffset;
4298
4299     DrawTextF(x, y, FONT_TEXT_1, selectbox_info[i].text);
4300     ModifyEditorSelectbox(i, *selectbox_info[i].value);
4301     MapSelectboxGadget(i);
4302   }
4303
4304   DrawCustomChangedArea();
4305 }
4306
4307 static void DrawPropertiesWindow()
4308 {
4309   int xstart = 2;
4310   int ystart = 4;
4311
4312   stick_element_properties_window = FALSE;
4313
4314   /* make sure that previous properties edit mode exists for this element */
4315   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
4316       !IS_CUSTOM_ELEMENT(properties_element))
4317     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
4318
4319   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
4320       !checkPropertiesConfig())
4321     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
4322
4323   if (IS_CUSTOM_ELEMENT(properties_element))
4324     CopyCustomElementPropertiesToEditor(properties_element);
4325
4326   UnmapLevelEditorWindowGadgets();
4327
4328   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4329   ClearWindow();
4330
4331   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4332            "Element Settings", FONT_TITLE_1);
4333
4334   DrawElementBorder(SX + xstart * MINI_TILEX,
4335                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4336                     TILEX, TILEY, FALSE);
4337   DrawGraphicAnimationExt(drawto,
4338                           SX + xstart * MINI_TILEX,
4339                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4340                           el2img(properties_element), -1, NO_MASKING);
4341
4342   FrameCounter = 0;     /* restart animation frame counter */
4343
4344   DrawTextF((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
4345             FONT_TEXT_1, getElementInfoText(properties_element));
4346
4347   DrawPropertiesTabulatorGadgets();
4348
4349   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
4350     DrawPropertiesInfo();
4351   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
4352     DrawPropertiesConfig();
4353   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
4354     DrawPropertiesAdvanced();
4355 }
4356
4357 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
4358 {
4359   int lx = sx + level_xpos;
4360   int ly = sy + level_ypos;
4361
4362   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
4363
4364   if (change_level)
4365     Feld[lx][ly] = element;
4366 }
4367
4368 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
4369                      int element, boolean change_level)
4370 {
4371   if (from_y == to_y)                   /* horizontal line */
4372   {
4373     int x;
4374     int y = from_y;
4375
4376     if (from_x > to_x)
4377       swap_numbers(&from_x, &to_x);
4378
4379     for (x=from_x; x<=to_x; x++)
4380       DrawLineElement(x, y, element, change_level);
4381   }
4382   else if (from_x == to_x)              /* vertical line */
4383   {
4384     int x = from_x;
4385     int y;
4386
4387     if (from_y > to_y)
4388       swap_numbers(&from_y, &to_y);
4389
4390     for (y=from_y; y<=to_y; y++)
4391       DrawLineElement(x, y, element, change_level);
4392   }
4393   else                                  /* diagonal line */
4394   {
4395     int len_x = ABS(to_x - from_x);
4396     int len_y = ABS(to_y - from_y);
4397     int x, y;
4398
4399     if (len_y < len_x)                  /* a < 1 */
4400     {
4401       float a = (float)len_y / (float)len_x;
4402
4403       if (from_x > to_x)
4404         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4405
4406       for (x=0; x<=len_x; x++)
4407       {
4408         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
4409         DrawLineElement(from_x + x, from_y + y, element, change_level);
4410       }
4411     }
4412     else                                /* a >= 1 */
4413     {
4414       float a = (float)len_x / (float)len_y;
4415
4416       if (from_y > to_y)
4417         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4418
4419       for (y=0; y<=len_y; y++)
4420       {
4421         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
4422         DrawLineElement(from_x + x, from_y + y, element, change_level);
4423       }
4424     }
4425   }
4426 }
4427
4428 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
4429                     int element, boolean change_level)
4430 {
4431   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
4432   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
4433   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
4434   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
4435 }
4436
4437 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
4438                           int element, boolean change_level)
4439 {
4440   int y;
4441
4442   if (from_y > to_y)
4443     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4444
4445   for (y=from_y; y<=to_y; y++)
4446     DrawLine(from_x, y, to_x, y, element, change_level);
4447 }
4448
4449 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
4450                        int element, boolean change_level)
4451 {
4452   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
4453   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
4454   int len_x = ABS(to_x - from_x);
4455   int len_y = ABS(to_y - from_y);
4456   int radius, x, y;
4457
4458   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
4459
4460   /* not optimal (some points get drawn twice) but simple,
4461      and fast enough for the few points we are drawing */
4462
4463   for (x=0; x<=radius; x++)
4464   {
4465     int sx, sy, lx, ly;
4466
4467     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
4468
4469     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4470     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4471     lx = sx + level_xpos;
4472     ly = sy + level_ypos;
4473
4474     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4475       DrawLineElement(sx, sy, element, change_level);
4476   }
4477
4478   for (y=0; y<=radius; y++)
4479   {
4480     int sx, sy, lx, ly;
4481
4482     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
4483
4484     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4485     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4486     lx = sx + level_xpos;
4487     ly = sy + level_ypos;
4488
4489     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4490       DrawLineElement(sx, sy, element, change_level);
4491   }
4492 }
4493
4494 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
4495                     int element, boolean change_level)
4496 {
4497   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4498   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4499
4500   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4501 }
4502
4503 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
4504 #if DRAW_CIRCLES_BUTTON_AVAILABLE
4505 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
4506                        int element, boolean change_level)
4507 {
4508   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4509   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4510   int mirror_to_x2 = from_x - (to_x2 - from_x);
4511   int mirror_to_y2 = from_y - (to_y2 - from_y);
4512
4513   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4514   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
4515   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
4516   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
4517 }
4518 #endif
4519
4520 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
4521 {
4522   int from_sx, from_sy;
4523   int to_sx, to_sy;
4524
4525   if (from_x > to_x)
4526     swap_numbers(&from_x, &to_x);
4527
4528   if (from_y > to_y)
4529     swap_numbers(&from_y, &to_y);
4530
4531   from_sx = SX + from_x * MINI_TILEX;
4532   from_sy = SY + from_y * MINI_TILEY;
4533   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
4534   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
4535
4536   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
4537   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
4538   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
4539   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
4540
4541   if (from_x == to_x && from_y == to_y)
4542     MarkTileDirty(from_x/2, from_y/2);
4543   else
4544     redraw_mask |= REDRAW_FIELD;
4545 }
4546
4547 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
4548                        int element, boolean change_level)
4549 {
4550   if (element == -1 || change_level)
4551     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
4552   else
4553     DrawAreaBorder(from_x, from_y, to_x, to_y);
4554 }
4555
4556 /* values for CopyBrushExt() */
4557 #define CB_AREA_TO_BRUSH        0
4558 #define CB_BRUSH_TO_CURSOR      1
4559 #define CB_BRUSH_TO_LEVEL       2
4560 #define CB_DELETE_OLD_CURSOR    3
4561
4562 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
4563                          int button, int mode)
4564 {
4565   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
4566   static int brush_width, brush_height;
4567   static int last_cursor_x = -1, last_cursor_y = -1;
4568   static boolean delete_old_brush;
4569   int new_element = BUTTON_ELEMENT(button);
4570   int x, y;
4571
4572   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
4573     return;
4574
4575   if (mode == CB_AREA_TO_BRUSH)
4576   {
4577     int from_lx, from_ly;
4578
4579     if (from_x > to_x)
4580       swap_numbers(&from_x, &to_x);
4581
4582     if (from_y > to_y)
4583       swap_numbers(&from_y, &to_y);
4584
4585     brush_width = to_x - from_x + 1;
4586     brush_height = to_y - from_y + 1;
4587
4588     from_lx = from_x + level_xpos;
4589     from_ly = from_y + level_ypos;
4590
4591     for (y=0; y<brush_height; y++)
4592     {
4593       for (x=0; x<brush_width; x++)
4594       {
4595         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
4596
4597         if (button != 1)
4598           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
4599       }
4600     }
4601
4602     if (button != 1)
4603       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4604
4605     delete_old_brush = FALSE;
4606   }
4607   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
4608            mode == CB_BRUSH_TO_LEVEL)
4609   {
4610     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
4611     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
4612     int cursor_from_x = cursor_x - brush_width / 2;
4613     int cursor_from_y = cursor_y - brush_height / 2;
4614     int border_from_x = cursor_x, border_from_y = cursor_y;
4615     int border_to_x = cursor_x, border_to_y = cursor_y;
4616
4617     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
4618       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
4619
4620     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
4621         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
4622     {
4623       delete_old_brush = FALSE;
4624       return;
4625     }
4626
4627     for (y=0; y<brush_height; y++)
4628     {
4629       for (x=0; x<brush_width; x++)
4630       {
4631         int sx = cursor_from_x + x;
4632         int sy = cursor_from_y + y;
4633         int lx = sx + level_xpos;
4634         int ly = sy + level_ypos;
4635         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
4636         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
4637                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
4638                        brush_buffer[x][y] : new_element);
4639
4640         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4641         {
4642           if (sx < border_from_x)
4643             border_from_x = sx;
4644           else if (sx > border_to_x)
4645             border_to_x = sx;
4646           if (sy < border_from_y)
4647             border_from_y = sy;
4648           else if (sy > border_to_y)
4649             border_to_y = sy;
4650
4651           DrawLineElement(sx, sy, element, change_level);
4652         }
4653       }
4654     }
4655
4656     if (mode != CB_DELETE_OLD_CURSOR)
4657       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
4658
4659     last_cursor_x = cursor_x;
4660     last_cursor_y = cursor_y;
4661     delete_old_brush = TRUE;
4662   }
4663 }
4664
4665 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
4666                             int button)
4667 {
4668   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
4669 }
4670
4671 static void CopyBrushToLevel(int x, int y, int button)
4672 {
4673   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
4674 }
4675
4676 static void CopyBrushToCursor(int x, int y)
4677 {
4678   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
4679 }
4680
4681 static void DeleteBrushFromCursor()
4682 {
4683   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
4684 }
4685
4686 static void FloodFill(int from_x, int from_y, int fill_element)
4687 {
4688   int i,x,y;
4689   int old_element;
4690   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
4691   static int safety = 0;
4692
4693   /* check if starting field still has the desired content */
4694   if (Feld[from_x][from_y] == fill_element)
4695     return;
4696
4697   safety++;
4698
4699   if (safety > lev_fieldx*lev_fieldy)
4700     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
4701
4702   old_element = Feld[from_x][from_y];
4703   Feld[from_x][from_y] = fill_element;
4704
4705   for(i=0;i<4;i++)
4706   {
4707     x = from_x + check[i][0];
4708     y = from_y + check[i][1];
4709
4710     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
4711       FloodFill(x, y, fill_element);
4712   }
4713
4714   safety--;
4715 }
4716
4717 /* values for DrawLevelText() modes */
4718 #define TEXT_INIT               0
4719 #define TEXT_SETCURSOR          1
4720 #define TEXT_WRITECHAR          2
4721 #define TEXT_BACKSPACE          3
4722 #define TEXT_NEWLINE            4
4723 #define TEXT_END                5
4724 #define TEXT_QUERY_TYPING       6
4725
4726 static int DrawLevelText(int sx, int sy, char letter, int mode)
4727 {
4728   static short delete_buffer[MAX_LEV_FIELDX];
4729   static int start_sx, start_sy;
4730   static int last_sx, last_sy;
4731   static boolean typing = FALSE;
4732   int letter_element = EL_CHAR_ASCII0 + letter;
4733   int lx = 0, ly = 0;
4734
4735   /* map lower case letters to upper case and convert special characters */
4736   if (letter >= 'a' && letter <= 'z')
4737     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
4738   else if (letter == 'ä' || letter == 'Ä')
4739     letter_element = EL_CHAR_AUMLAUT;
4740   else if (letter == 'ö' || letter == 'Ö')
4741     letter_element = EL_CHAR_OUMLAUT;
4742   else if (letter == 'ü' || letter == 'Ü')
4743     letter_element = EL_CHAR_UUMLAUT;
4744   else if (letter == '^')
4745     letter_element = EL_CHAR_COPYRIGHT;
4746   else
4747     letter_element = EL_CHAR_ASCII0 + letter;
4748
4749   if (mode != TEXT_INIT)
4750   {
4751     if (!typing)
4752       return FALSE;
4753
4754     if (mode != TEXT_SETCURSOR)
4755     {
4756       sx = last_sx;
4757       sy = last_sy;
4758     }
4759
4760     lx = last_sx + level_xpos;
4761     ly = last_sy + level_ypos;
4762   }
4763
4764   switch (mode)
4765   {
4766     case TEXT_INIT:
4767       if (typing)
4768         DrawLevelText(0, 0, 0, TEXT_END);
4769
4770       typing = TRUE;
4771       start_sx = last_sx = sx;
4772       start_sy = last_sy = sy;
4773       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
4774       break;
4775
4776     case TEXT_SETCURSOR:
4777       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
4778       DrawAreaBorder(sx, sy, sx, sy);
4779       last_sx = sx;
4780       last_sy = sy;
4781       break;
4782
4783     case TEXT_WRITECHAR:
4784       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
4785       {
4786         delete_buffer[sx - start_sx] = Feld[lx][ly];
4787         Feld[lx][ly] = letter_element;
4788
4789         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
4790           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
4791         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
4792           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
4793         else
4794           DrawLevelText(0, 0, 0, TEXT_END);
4795       }
4796       break;
4797
4798     case TEXT_BACKSPACE:
4799       if (sx > start_sx)
4800       {
4801         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
4802         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
4803         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
4804       }
4805       break;
4806
4807     case TEXT_NEWLINE:
4808       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
4809         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
4810       else
4811         DrawLevelText(0, 0, 0, TEXT_END);
4812       break;
4813
4814     case TEXT_END:
4815       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4816       DrawMiniElement(sx, sy, Feld[lx][ly]);
4817       typing = FALSE;
4818       break;
4819
4820     case TEXT_QUERY_TYPING:
4821       break;
4822
4823     default:
4824       break;
4825   }
4826
4827   return typing;
4828 }
4829
4830 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
4831                           int element, boolean change_level)
4832 {
4833   int lx = sx + level_xpos;
4834   int ly = sy + level_ypos;
4835
4836   if (element == -1)
4837     DrawMiniElement(sx, sy, Feld[lx][ly]);
4838   else
4839     DrawAreaBorder(sx, sy, sx, sy);
4840 }
4841
4842 static void CopyLevelToUndoBuffer(int mode)
4843 {
4844   static boolean accumulated_undo = FALSE;
4845   boolean new_undo_buffer_position = TRUE;
4846   int last_border_element;
4847   int x, y;
4848
4849   switch (mode)
4850   {
4851     case UNDO_IMMEDIATE:
4852       accumulated_undo = FALSE;
4853       break;
4854
4855     case UNDO_ACCUMULATE:
4856       if (accumulated_undo)
4857         new_undo_buffer_position = FALSE;
4858       accumulated_undo = TRUE;
4859       break;
4860
4861     default:
4862       break;
4863   }
4864
4865   if (new_undo_buffer_position)
4866   {
4867     /* new position in undo buffer ring */
4868     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
4869
4870     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
4871       undo_buffer_steps++;
4872   }
4873
4874   for(x=0; x<lev_fieldx; x++)
4875     for(y=0; y<lev_fieldy; y++)
4876       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
4877
4878   /* check if drawing operation forces change of border style */
4879   last_border_element = BorderElement;
4880   SetBorderElement();
4881   if (BorderElement != last_border_element)
4882     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4883
4884 #if 0
4885 #ifdef DEBUG
4886   printf("level saved to undo buffer\n");
4887 #endif
4888 #endif
4889 }
4890
4891 static void RandomPlacement(int new_element)
4892 {
4893   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4894   int num_free_positions;
4895   int num_percentage;
4896   int num_elements;
4897   int x, y;
4898
4899   /* determine number of free positions for the new elements */
4900   /* (maybe this statement should be formatted a bit more readable...) */
4901   num_free_positions = 0;
4902   for (x=0; x<lev_fieldx; x++)
4903     for (y=0; y<lev_fieldy; y++)
4904       if ((free_position[x][y] =
4905            ((random_placement_background_restricted &&
4906              Feld[x][y] == random_placement_background_element) ||
4907             (!random_placement_background_restricted &&
4908              Feld[x][y] != new_element))) == TRUE)
4909         num_free_positions++;
4910
4911   /* determine number of new elements to place there */
4912   num_percentage = num_free_positions * random_placement_value / 100;
4913   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
4914                   num_percentage : random_placement_value);
4915
4916   /* if not more free positions than elements to place, fill whole level */
4917   if (num_elements >= num_free_positions)
4918   {
4919     for (x=0; x<lev_fieldx; x++)
4920       for (y=0; y<lev_fieldy; y++)
4921         Feld[x][y] = new_element;
4922
4923     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4924     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4925     return;
4926   }
4927
4928   while (num_elements > 0)
4929   {
4930     x = RND(lev_fieldx);
4931     y = RND(lev_fieldy);
4932
4933     /* don't place element at the same position twice */
4934     if (free_position[x][y])
4935     {
4936       free_position[x][y] = FALSE;
4937       Feld[x][y] = new_element;
4938       num_elements--;
4939     }
4940   }
4941
4942   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4943   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4944 }
4945
4946 void WrapLevel(int dx, int dy)
4947 {
4948   int wrap_dx = lev_fieldx - dx;
4949   int wrap_dy = lev_fieldy - dy;
4950   int x, y;
4951
4952   for(x=0; x<lev_fieldx; x++)
4953     for(y=0; y<lev_fieldy; y++)
4954       FieldBackup[x][y] = Feld[x][y];
4955
4956   for(x=0; x<lev_fieldx; x++)
4957     for(y=0; y<lev_fieldy; y++)
4958       Feld[x][y] =
4959         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
4960
4961   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4962   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
4963 }
4964
4965 static void HandleDrawingAreas(struct GadgetInfo *gi)
4966 {
4967   static boolean started_inside_drawing_area = FALSE;
4968   int id = gi->custom_id;
4969   boolean button_press_event;
4970   boolean button_release_event;
4971   boolean inside_drawing_area = !gi->event.off_borders;
4972   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
4973   int actual_drawing_function;
4974   int button = gi->event.button;
4975   int new_element = BUTTON_ELEMENT(button);
4976   int sx = gi->event.x, sy = gi->event.y;
4977   int min_sx = 0, min_sy = 0;
4978   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
4979   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
4980   int lx = 0, ly = 0;
4981   int min_lx = 0, min_ly = 0;
4982   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
4983   int x, y;
4984
4985   /* handle info callback for each invocation of action callback */
4986   gi->callback_info(gi);
4987
4988   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
4989   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
4990
4991   /* make sure to stay inside drawing area boundaries */
4992   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
4993   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
4994
4995   if (draw_level)
4996   {
4997     /* get positions inside level field */
4998     lx = sx + level_xpos;
4999     ly = sy + level_ypos;
5000
5001     if (!IN_LEV_FIELD(lx, ly))
5002       inside_drawing_area = FALSE;
5003
5004     /* make sure to stay inside level field boundaries */
5005     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5006     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5007
5008     /* correct drawing area positions accordingly */
5009     sx = lx - level_xpos;
5010     sy = ly - level_ypos;
5011   }
5012
5013   if (button_press_event)
5014     started_inside_drawing_area = inside_drawing_area;
5015
5016   if (!started_inside_drawing_area)
5017     return;
5018
5019   if (!button && !button_release_event)
5020     return;
5021
5022   /* automatically switch to 'single item' drawing mode, if needed */
5023   actual_drawing_function =
5024     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
5025      drawing_function : GADGET_ID_SINGLE_ITEMS);
5026
5027   switch (actual_drawing_function)
5028   {
5029     case GADGET_ID_SINGLE_ITEMS:
5030       if (draw_level)
5031       {
5032         if (button_release_event)
5033         {
5034           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5035
5036           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
5037               !inside_drawing_area)
5038             DeleteBrushFromCursor();
5039         }
5040
5041         if (!button)
5042           break;
5043
5044         if (draw_with_brush)
5045         {
5046           if (!button_release_event)
5047             CopyBrushToLevel(sx, sy, button);
5048         }
5049         else if (new_element != Feld[lx][ly])
5050         {
5051           if (new_element == EL_PLAYER_1)
5052           {
5053             /* remove player at old position */
5054             for(y=0; y<lev_fieldy; y++)
5055             {
5056               for(x=0; x<lev_fieldx; x++)
5057               {
5058                 if (Feld[x][y] == EL_PLAYER_1)
5059                 {
5060                   Feld[x][y] = EL_EMPTY;
5061                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
5062                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
5063                     DrawMiniElement(x - level_xpos, y - level_ypos,
5064                                     EL_EMPTY);
5065                 }
5066               }
5067             }
5068           }
5069
5070           Feld[lx][ly] = new_element;
5071           DrawMiniElement(sx, sy, new_element);
5072         }
5073       }
5074       else
5075       {
5076         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
5077           DrawMiniGraphicExt(drawto,
5078                              gi->x + sx * MINI_TILEX,
5079                              gi->y + sy * MINI_TILEY,
5080                              el2edimg(new_element));
5081         else
5082           DrawGraphicExt(drawto,
5083                          gi->x + sx * TILEX,
5084                          gi->y + sy * TILEY,
5085                          el2img(new_element), 0);
5086
5087         if (id == GADGET_ID_AMOEBA_CONTENT)
5088           level.amoeba_content = new_element;
5089         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5090         {
5091           int i = properties_element - EL_CUSTOM_START;
5092
5093           new_element = GFX_ELEMENT(new_element);
5094           custom_element.gfx_element = new_element;
5095           level.custom_element[i] = custom_element;
5096
5097           ModifyEditorElementList();
5098
5099           FrameCounter = 0;     /* restart animation frame counter */
5100         }
5101         else if (id == GADGET_ID_CUSTOM_CONTENT)
5102         {
5103           int i = properties_element - EL_CUSTOM_START;
5104
5105           custom_element.content[sx][sy] = new_element;
5106           level.custom_element[i] = custom_element;
5107         }
5108         else if (id == GADGET_ID_CUSTOM_CHANGED)
5109         {
5110           int i = properties_element - EL_CUSTOM_START;
5111
5112           custom_element.change.successor = new_element;
5113           level.custom_element[i] = custom_element;
5114         }
5115         else if (id == GADGET_ID_RANDOM_BACKGROUND)
5116           random_placement_background_element = new_element;
5117         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5118                  id <= GADGET_ID_ELEMENT_CONTENT_7)
5119           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
5120             new_element;
5121       }
5122       break;
5123
5124     case GADGET_ID_CONNECTED_ITEMS:
5125       {
5126         static int last_sx = -1;
5127         static int last_sy = -1;
5128
5129         if (button_release_event)
5130           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5131
5132         if (button)
5133         {
5134           if (!button_press_event)
5135             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
5136
5137           last_sx = sx;
5138           last_sy = sy;
5139         }
5140       }
5141       break;
5142
5143     case GADGET_ID_LINE:
5144     case GADGET_ID_ARC:
5145     case GADGET_ID_RECTANGLE:
5146     case GADGET_ID_FILLED_BOX:
5147     case GADGET_ID_GRAB_BRUSH:
5148     case GADGET_ID_TEXT:
5149       {
5150         static int last_sx = -1;
5151         static int last_sy = -1;
5152         static int start_sx = -1;
5153         static int start_sy = -1;
5154         void (*draw_func)(int, int, int, int, int, boolean);
5155
5156         if (drawing_function == GADGET_ID_LINE)
5157           draw_func = DrawLine;
5158         else if (drawing_function == GADGET_ID_ARC)
5159           draw_func = DrawArc;
5160         else if (drawing_function == GADGET_ID_RECTANGLE)
5161           draw_func = DrawBox;
5162         else if (drawing_function == GADGET_ID_FILLED_BOX)
5163           draw_func = DrawFilledBox;
5164         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
5165           draw_func = SelectArea;
5166         else /* (drawing_function == GADGET_ID_TEXT) */
5167           draw_func = SetTextCursor;
5168
5169         if (button_press_event)
5170         {
5171           draw_func(sx, sy, sx, sy, new_element, FALSE);
5172           start_sx = last_sx = sx;
5173           start_sy = last_sy = sy;
5174
5175           if (drawing_function == GADGET_ID_TEXT)
5176             DrawLevelText(0, 0, 0, TEXT_END);
5177         }
5178         else if (button_release_event)
5179         {
5180           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
5181           if (drawing_function == GADGET_ID_GRAB_BRUSH)
5182           {
5183             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
5184             CopyBrushToCursor(sx, sy);
5185             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
5186                           MB_LEFTBUTTON);
5187             draw_with_brush = TRUE;
5188           }
5189           else if (drawing_function == GADGET_ID_TEXT)
5190             DrawLevelText(sx, sy, 0, TEXT_INIT);
5191           else
5192             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5193         }
5194         else if (last_sx != sx || last_sy != sy)
5195         {
5196           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
5197           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
5198           last_sx = sx;
5199           last_sy = sy;
5200         }
5201       }
5202       break;
5203
5204     case GADGET_ID_FLOOD_FILL:
5205       if (button_press_event && Feld[lx][ly] != new_element)
5206       {
5207         FloodFill(lx, ly, new_element);
5208         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5209         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5210       }
5211       break;
5212
5213     case GADGET_ID_PICK_ELEMENT:
5214       if (button_release_event)
5215         ClickOnGadget(level_editor_gadget[last_drawing_function],
5216                       MB_LEFTBUTTON);
5217       else if (draw_level)
5218         PickDrawingElement(button, Feld[lx][ly]);
5219       else if (id == GADGET_ID_AMOEBA_CONTENT)
5220         PickDrawingElement(button, level.amoeba_content);
5221       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5222         PickDrawingElement(button, custom_element.gfx_element);
5223       else if (id == GADGET_ID_CUSTOM_CONTENT)
5224         PickDrawingElement(button, custom_element.content[sx][sy]);
5225       else if (id == GADGET_ID_CUSTOM_CHANGED)
5226         PickDrawingElement(button, custom_element.change.successor);
5227       else if (id == GADGET_ID_RANDOM_BACKGROUND)
5228         PickDrawingElement(button, random_placement_background_element);
5229       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5230                id <= GADGET_ID_ELEMENT_CONTENT_7)
5231       {
5232         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
5233
5234         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
5235       }
5236
5237       break;
5238
5239     default:
5240       break;
5241   }
5242 }
5243
5244 static void HandleCounterButtons(struct GadgetInfo *gi)
5245 {
5246   int gadget_id = gi->custom_id;
5247   int counter_id = gi->custom_type_id;
5248   int button = gi->event.button;
5249   int *counter_value = counterbutton_info[counter_id].value;
5250   int step = BUTTON_STEPSIZE(button) *
5251     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
5252
5253   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
5254   {
5255     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
5256     boolean released = (gi->event.type == GD_EVENT_RELEASED);
5257     boolean level_changed = LevelChanged();
5258
5259     if ((level_changed && pressed) || (!level_changed && released))
5260       return;
5261
5262     if (level_changed && !Request("Level has changed! Discard changes ?",
5263                                   REQ_ASK))
5264     {
5265       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5266         ModifyEditorCounter(counter_id, *counter_value);
5267       return;
5268     }
5269   }
5270
5271   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5272     *counter_value = gi->text.number_value;
5273   else
5274     ModifyEditorCounter(counter_id, *counter_value + step);
5275
5276   switch (counter_id)
5277   {
5278     case ED_COUNTER_ID_ELEMENT_CONTENT:
5279       DrawElementContentAreas();
5280       break;
5281
5282     case ED_COUNTER_ID_LEVEL_XSIZE:
5283     case ED_COUNTER_ID_LEVEL_YSIZE:
5284       lev_fieldx = level.fieldx;
5285       lev_fieldy = level.fieldy;
5286       break;
5287
5288     case ED_COUNTER_ID_SELECT_LEVEL:
5289       LoadLevel(level_nr);
5290       TapeErase();
5291       ResetUndoBuffer();
5292       DrawEditModeWindow();
5293       break;
5294
5295     default:
5296       break;
5297   }
5298
5299   if (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
5300       counter_id <= ED_COUNTER_ID_CHANGE_LAST)
5301     CopyCustomElementPropertiesToGame(properties_element);
5302 }
5303
5304 static void HandleTextInputGadgets(struct GadgetInfo *gi)
5305 {
5306   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
5307 }
5308
5309 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
5310 {
5311   int type_id = gi->custom_type_id;
5312
5313   *selectbox_info[type_id].index = gi->selectbox.index;
5314   *selectbox_info[type_id].value =
5315     selectbox_info[type_id].options[gi->selectbox.index].value;
5316
5317   if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
5318        type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
5319       (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
5320        type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
5321     CopyCustomElementPropertiesToGame(properties_element);
5322
5323 #if 0
5324   printf("Selected text value: '%s' [%d]\n",
5325          selectbox_info[type_id].options[gi->selectbox.index].text,
5326          selectbox_info[type_id].options[gi->selectbox.index].value);
5327 #endif
5328 }
5329
5330 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
5331 {
5332   if (gi->custom_type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
5333       gi->custom_type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
5334   {
5335     edit_mode_properties = gi->custom_type_id;
5336
5337     DrawPropertiesWindow();
5338   }
5339 }
5340
5341 static void HandleRadiobuttons(struct GadgetInfo *gi)
5342 {
5343   *radiobutton_info[gi->custom_type_id].value =
5344     radiobutton_info[gi->custom_type_id].checked_value;
5345 }
5346
5347 static void HandleCheckbuttons(struct GadgetInfo *gi)
5348 {
5349   int type_id = gi->custom_type_id;
5350
5351   *checkbutton_info[type_id].value ^= TRUE;
5352
5353   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
5354        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
5355       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
5356        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST))
5357     CopyCustomElementPropertiesToGame(properties_element);
5358
5359   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
5360     ModifyEditorElementList();
5361 }
5362
5363 static void HandleControlButtons(struct GadgetInfo *gi)
5364 {
5365   int id = gi->custom_id;
5366   int button = gi->event.button;
5367   int step = BUTTON_STEPSIZE(button);
5368   int new_element = BUTTON_ELEMENT(button);
5369   int x, y;
5370
5371   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
5372     DrawLevelText(0, 0, 0, TEXT_END);
5373
5374   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
5375       id != GADGET_ID_PICK_ELEMENT && edit_mode != ED_MODE_DRAWING &&
5376       drawing_function != GADGET_ID_PICK_ELEMENT)
5377   {
5378     DrawDrawingWindow();
5379     edit_mode = ED_MODE_DRAWING;
5380   }
5381
5382   switch (id)
5383   {
5384     case GADGET_ID_SCROLL_LEFT:
5385       if (level_xpos >= 0)
5386       {
5387         if (lev_fieldx < ed_fieldx - 2)
5388           break;
5389
5390         level_xpos -= step;
5391         if (level_xpos < -1)
5392           level_xpos = -1;
5393         if (button == 1)
5394           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
5395         else
5396           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5397
5398         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5399                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5400       }
5401       break;
5402
5403     case GADGET_ID_SCROLL_RIGHT:
5404       if (level_xpos <= lev_fieldx - ed_fieldx)
5405       {
5406         if (lev_fieldx < ed_fieldx - 2)
5407           break;
5408
5409         level_xpos += step;
5410         if (level_xpos > lev_fieldx - ed_fieldx + 1)
5411           level_xpos = lev_fieldx - ed_fieldx + 1;
5412         if (button == 1)
5413           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
5414         else
5415           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5416
5417         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5418                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5419       }
5420       break;
5421
5422     case GADGET_ID_SCROLL_UP:
5423       if (level_ypos >= 0)
5424       {
5425         if (lev_fieldy < ed_fieldy - 2)
5426           break;
5427
5428         level_ypos -= step;
5429         if (level_ypos < -1)
5430           level_ypos = -1;
5431         if (button == 1)
5432           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
5433         else
5434           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5435
5436         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5437                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5438       }
5439       break;
5440
5441     case GADGET_ID_SCROLL_DOWN:
5442       if (level_ypos <= lev_fieldy - ed_fieldy)
5443       {
5444         if (lev_fieldy < ed_fieldy - 2)
5445           break;
5446
5447         level_ypos += step;
5448         if (level_ypos > lev_fieldy - ed_fieldy + 1)
5449           level_ypos = lev_fieldy - ed_fieldy + 1;
5450         if (button == 1)
5451           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
5452         else
5453           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5454
5455         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5456                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5457       }
5458       break;
5459
5460     case GADGET_ID_SCROLL_HORIZONTAL:
5461       level_xpos = gi->event.item_position - 1;
5462       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5463       break;
5464
5465     case GADGET_ID_SCROLL_VERTICAL:
5466       level_ypos = gi->event.item_position - 1;
5467       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5468       break;
5469
5470     case GADGET_ID_SCROLL_LIST_UP:
5471     case GADGET_ID_SCROLL_LIST_DOWN:
5472     case GADGET_ID_SCROLL_LIST_VERTICAL:
5473       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
5474         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
5475       else
5476       {
5477         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
5478         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
5479
5480         if (element_shift < 0)
5481           element_shift = 0;
5482         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
5483           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
5484
5485         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
5486                      GDI_SCROLLBAR_ITEM_POSITION,
5487                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
5488       }
5489
5490       ModifyEditorElementList();
5491
5492       break;
5493
5494     case GADGET_ID_WRAP_LEFT:
5495       WrapLevel(-step, 0);
5496       break;
5497
5498     case GADGET_ID_WRAP_RIGHT:
5499       WrapLevel(step, 0);
5500       break;
5501
5502     case GADGET_ID_WRAP_UP:
5503       WrapLevel(0, -step);
5504       break;
5505
5506     case GADGET_ID_WRAP_DOWN:
5507       WrapLevel(0, step);
5508       break;
5509
5510     case GADGET_ID_SINGLE_ITEMS:
5511     case GADGET_ID_CONNECTED_ITEMS:
5512     case GADGET_ID_LINE:
5513     case GADGET_ID_ARC:
5514     case GADGET_ID_TEXT:
5515     case GADGET_ID_RECTANGLE:
5516     case GADGET_ID_FILLED_BOX:
5517     case GADGET_ID_FLOOD_FILL:
5518     case GADGET_ID_GRAB_BRUSH:
5519     case GADGET_ID_PICK_ELEMENT:
5520       if (drawing_function != GADGET_ID_PICK_ELEMENT)
5521         last_drawing_function = drawing_function;
5522       drawing_function = id;
5523       draw_with_brush = FALSE;
5524       break;
5525
5526     case GADGET_ID_RANDOM_PLACEMENT:
5527       RandomPlacement(new_element);
5528       break;
5529
5530     case GADGET_ID_PROPERTIES:
5531       if (edit_mode != ED_MODE_PROPERTIES)
5532       {
5533         properties_element = new_element;
5534         DrawPropertiesWindow();
5535         edit_mode = ED_MODE_PROPERTIES;
5536       }
5537       else
5538       {
5539         DrawDrawingWindow();
5540         edit_mode = ED_MODE_DRAWING;
5541       }
5542       break;
5543
5544     case GADGET_ID_UNDO:
5545       if (undo_buffer_steps == 0)
5546       {
5547         Request("Undo buffer empty !", REQ_CONFIRM);
5548         break;
5549       }
5550
5551       undo_buffer_position =
5552         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
5553       undo_buffer_steps--;
5554
5555       for(x=0; x<lev_fieldx; x++)
5556         for(y=0; y<lev_fieldy; y++)
5557           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
5558       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
5559       break;
5560
5561     case GADGET_ID_INFO:
5562       if (edit_mode != ED_MODE_INFO)
5563       {
5564         DrawLevelInfoWindow();
5565         edit_mode = ED_MODE_INFO;
5566       }
5567       else
5568       {
5569         DrawDrawingWindow();
5570         edit_mode = ED_MODE_DRAWING;
5571       }
5572       break;
5573
5574     case GADGET_ID_CLEAR:
5575       for(x=0; x<MAX_LEV_FIELDX; x++)
5576         for(y=0; y<MAX_LEV_FIELDY; y++)
5577           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
5578       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
5579
5580       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5581       break;
5582
5583     case GADGET_ID_SAVE:
5584       if (leveldir_current->readonly)
5585       {
5586         Request("This level is read only !", REQ_CONFIRM);
5587         break;
5588       }
5589
5590       if (!LevelContainsPlayer)
5591         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5592       else
5593       {
5594         if (Request("Save this level and kill the old ?", REQ_ASK))
5595         {
5596           CopyPlayfield(Feld, Ur);
5597
5598           SaveLevel(level_nr);
5599         }
5600       }
5601       break;
5602
5603     case GADGET_ID_TEST:
5604       if (!LevelContainsPlayer)
5605         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5606       else
5607       {
5608         if (LevelChanged())
5609           level.game_version = GAME_VERSION_ACTUAL;
5610
5611         CopyPlayfield(Ur, FieldBackup);
5612         CopyPlayfield(Feld, Ur);
5613
5614         UnmapLevelEditorGadgets();
5615         UndrawSpecialEditorDoor();
5616
5617         CloseDoor(DOOR_CLOSE_ALL);
5618
5619         DrawCompleteVideoDisplay();
5620
5621         if (setup.autorecord)
5622           TapeStartRecording();
5623
5624         level_editor_test_game = TRUE;
5625         game_status = GAME_MODE_PLAYING;
5626
5627         InitGame();
5628       }
5629       break;
5630
5631     case GADGET_ID_EXIT:
5632       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
5633       break;
5634
5635     default:
5636       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
5637           id <= GADGET_ID_ELEMENTLIST_LAST)
5638       {
5639         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
5640         int new_element = editor_elements[element_position + element_shift];
5641
5642         PickDrawingElement(button, new_element);
5643
5644         if (!stick_element_properties_window &&
5645             drawing_function != GADGET_ID_PICK_ELEMENT)
5646         {
5647           properties_element = new_element;
5648           if (edit_mode == ED_MODE_PROPERTIES)
5649             DrawPropertiesWindow();
5650         }
5651
5652         if (drawing_function == GADGET_ID_PICK_ELEMENT)
5653           ClickOnGadget(level_editor_gadget[last_drawing_function],
5654                         MB_LEFTBUTTON);
5655       }
5656 #ifdef DEBUG
5657       else if (gi->event.type == GD_EVENT_PRESSED)
5658         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
5659       else if (gi->event.type == GD_EVENT_RELEASED)
5660         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
5661       else if (gi->event.type == GD_EVENT_MOVING)
5662         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
5663       else
5664         printf("default: HandleControlButtons: ? (id == %d)\n", id);
5665 #endif
5666       break;
5667   }
5668 }
5669
5670 void HandleLevelEditorKeyInput(Key key)
5671 {
5672   char letter = getCharFromKey(key);
5673   int button = MB_LEFTBUTTON;
5674
5675   if (drawing_function == GADGET_ID_TEXT &&
5676       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
5677   {
5678     if (letter)
5679       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
5680     else if (key == KSYM_Delete || key == KSYM_BackSpace)
5681       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
5682     else if (key == KSYM_Return)
5683       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
5684     else if (key == KSYM_Escape)
5685       DrawLevelText(0, 0, 0, TEXT_END);
5686   }
5687   else if (button_status == MB_RELEASED)
5688   {
5689     int i, id = GADGET_ID_NONE;
5690
5691     switch (key)
5692     {
5693       case KSYM_Left:
5694         id = GADGET_ID_SCROLL_LEFT;
5695         break;
5696       case KSYM_Right:
5697         id = GADGET_ID_SCROLL_RIGHT;
5698         break;
5699       case KSYM_Up:
5700         id = GADGET_ID_SCROLL_UP;
5701         break;
5702       case KSYM_Down:
5703         id = GADGET_ID_SCROLL_DOWN;
5704         break;
5705       case KSYM_Page_Up:
5706         id = GADGET_ID_SCROLL_LIST_UP;
5707         button = MB_RIGHTBUTTON;
5708         break;
5709       case KSYM_Page_Down:
5710         id = GADGET_ID_SCROLL_LIST_DOWN;
5711         button = MB_RIGHTBUTTON;
5712         break;
5713
5714       case KSYM_Escape:
5715         if (edit_mode == ED_MODE_DRAWING)
5716         {
5717           RequestExitLevelEditor(setup.ask_on_escape);
5718         }
5719         else
5720         {
5721           DrawDrawingWindow();
5722           edit_mode = ED_MODE_DRAWING;
5723         }
5724         break;
5725
5726       default:
5727         break;
5728     }
5729
5730     if (id != GADGET_ID_NONE)
5731       ClickOnGadget(level_editor_gadget[id], button);
5732     else if (letter == '.')
5733       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
5734     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
5735       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
5736     else
5737       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
5738         if (letter && letter == control_info[i].shortcut)
5739           if (!anyTextGadgetActive())
5740             ClickOnGadget(level_editor_gadget[i], button);
5741   }
5742 }
5743
5744 void HandleLevelEditorIdle()
5745 {
5746   static unsigned long action_delay = 0;
5747   unsigned long action_delay_value = GameFrameDelay;
5748   int xpos = 1, ypos = 2;
5749
5750   if (edit_mode != ED_MODE_PROPERTIES)
5751     return;
5752
5753   if (!DelayReached(&action_delay, action_delay_value))
5754     return;
5755
5756   DrawGraphicAnimationExt(drawto,
5757                           SX + xpos * TILEX,
5758                           SY + ypos * TILEY + MINI_TILEY / 2,
5759                           el2img(properties_element), -1, NO_MASKING);
5760
5761   MarkTileDirty(xpos, ypos);
5762   MarkTileDirty(xpos, ypos + 1);
5763
5764   FrameCounter++;       /* increase animation frame counter */
5765 }
5766
5767 void ClearEditorGadgetInfoText()
5768 {
5769   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
5770 }
5771
5772 void HandleEditorGadgetInfoText(void *ptr)
5773 {
5774   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
5775   char infotext[MAX_OUTPUT_LINESIZE + 1];
5776   char shortcut[MAX_OUTPUT_LINESIZE + 1];
5777   int max_infotext_len = getMaxInfoTextLength();
5778
5779   if (game_status != GAME_MODE_EDITOR)
5780     return;
5781
5782   ClearEditorGadgetInfoText();
5783
5784   if (gi->event.type == GD_EVENT_INFO_LEAVING)
5785     return;
5786
5787   /* misuse this function to delete brush cursor, if needed */
5788   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
5789     DeleteBrushFromCursor();
5790
5791   if (gi == NULL || gi->info_text == NULL)
5792     return;
5793
5794   strncpy(infotext, gi->info_text, max_infotext_len);
5795   infotext[max_infotext_len] = '\0';
5796
5797   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
5798   {
5799     int key = control_info[gi->custom_id].shortcut;
5800
5801     if (key)
5802     {
5803       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
5804         sprintf(shortcut, " ('.' or '%c')", key);
5805       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
5806         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
5807       else                                              /* normal case */
5808         sprintf(shortcut, " ('%s%c')",
5809                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
5810
5811       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
5812         strcat(infotext, shortcut);
5813     }
5814   }
5815
5816   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
5817 }
5818
5819 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
5820 {
5821   static int start_lx, start_ly;
5822   char *infotext;
5823   int id = gi->custom_id;
5824   int sx = gi->event.x;
5825   int sy = gi->event.y;
5826   int lx = sx + level_xpos;
5827   int ly = sy + level_ypos;
5828   int min_sx = 0, min_sy = 0;
5829   int max_sx = gi->drawing.area_xsize - 1;
5830   int max_sy = gi->drawing.area_ysize - 1;
5831
5832   ClearEditorGadgetInfoText();
5833
5834   if (gi->event.type == GD_EVENT_INFO_LEAVING)
5835     return;
5836
5837   /* make sure to stay inside drawing area boundaries */
5838   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
5839   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
5840
5841   if (id == GADGET_ID_DRAWING_LEVEL)
5842   {
5843     if (button_status)
5844     {
5845       int min_lx = 0, min_ly = 0;
5846       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
5847
5848       /* get positions inside level field */
5849       lx = sx + level_xpos;
5850       ly = sy + level_ypos;
5851
5852       /* make sure to stay inside level field boundaries */
5853       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5854       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5855
5856       /* correct drawing area positions accordingly */
5857       sx = lx - level_xpos;
5858       sy = ly - level_ypos;
5859     }
5860
5861     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
5862     {
5863       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
5864       {
5865         if (gi->event.type == GD_EVENT_PRESSED)
5866         {
5867           start_lx = lx;
5868           start_ly = ly;
5869         }
5870
5871         switch (drawing_function)
5872         {
5873           case GADGET_ID_SINGLE_ITEMS:
5874             infotext = "Drawing single items";
5875             break;
5876           case GADGET_ID_CONNECTED_ITEMS:
5877             infotext = "Drawing connected items";
5878             break;
5879           case GADGET_ID_LINE:
5880             infotext = "Drawing line";
5881             break;
5882           case GADGET_ID_ARC:
5883             infotext = "Drawing arc";
5884             break;
5885           case GADGET_ID_TEXT:
5886             infotext = "Setting text cursor";
5887             break;
5888           case GADGET_ID_RECTANGLE:
5889             infotext = "Drawing rectangle";
5890             break;
5891           case GADGET_ID_FILLED_BOX:
5892             infotext = "Drawing filled box";
5893             break;
5894           case GADGET_ID_FLOOD_FILL:
5895             infotext = "Flood fill";
5896             break;
5897           case GADGET_ID_GRAB_BRUSH:
5898             infotext = "Grabbing brush";
5899             break;
5900           case GADGET_ID_PICK_ELEMENT:
5901             infotext = "Picking element";
5902             break;
5903
5904           default:
5905             infotext = "Drawing position";
5906             break;
5907         }
5908
5909         if (drawing_function == GADGET_ID_PICK_ELEMENT)
5910           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5911                     "%s: %d, %d", infotext, lx, ly);
5912         else
5913           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5914                     "%s: %d, %d", infotext,
5915                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
5916       }
5917       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
5918         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5919                   "%s", getElementInfoText(Feld[lx][ly]));
5920       else
5921         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5922                   "Level position: %d, %d", lx, ly);
5923     }
5924
5925     /* misuse this function to draw brush cursor, if needed */
5926     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
5927     {
5928       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5929         CopyBrushToCursor(sx, sy);
5930       else
5931         DeleteBrushFromCursor();
5932     }
5933   }
5934   else if (drawing_function == GADGET_ID_PICK_ELEMENT)
5935   {
5936     if (id == GADGET_ID_AMOEBA_CONTENT)
5937       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5938                 "%s", getElementInfoText(level.amoeba_content));
5939     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5940       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5941                 "%s", getElementInfoText(custom_element.use_gfx_element));
5942     else if (id == GADGET_ID_CUSTOM_CONTENT)
5943       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5944                 "%s", getElementInfoText(custom_element.content[sx][sy]));
5945     else if (id == GADGET_ID_CUSTOM_CHANGED)
5946       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5947                 "%s", getElementInfoText(custom_element.change.successor));
5948     else if (id == GADGET_ID_RANDOM_BACKGROUND)
5949       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5950                 "%s", getElementInfoText(random_placement_background_element));
5951     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5952              id <= GADGET_ID_ELEMENT_CONTENT_7)
5953     {
5954       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
5955
5956       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5957                 "%s", getElementInfoText(level.yamyam_content[i][sx][sy]));
5958     }
5959   }
5960   else
5961   {
5962     if (id == GADGET_ID_AMOEBA_CONTENT)
5963       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5964                 "Amoeba content");
5965     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5966       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5967                 "Custom graphic element");
5968     else if (id == GADGET_ID_CUSTOM_CONTENT)
5969       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5970                 "Custom element content position: %d, %d", sx, sy);
5971     else if (id == GADGET_ID_CUSTOM_CHANGED)
5972       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5973                 "New element after change");
5974     else if (id == GADGET_ID_RANDOM_BACKGROUND)
5975       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5976                 "Random placement background");
5977     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5978              id <= GADGET_ID_ELEMENT_CONTENT_7)
5979       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5980                 "Content area %d position: %d, %d",
5981                 id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
5982   }
5983 }
5984
5985 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
5986 {
5987   if (!ask_if_level_has_changed ||
5988       !LevelChanged() ||
5989       Request("Level has changed! Exit without saving ?",
5990               REQ_ASK | REQ_STAY_OPEN))
5991   {
5992     CloseDoor(DOOR_CLOSE_1);
5993     /*
5994     CloseDoor(DOOR_CLOSE_ALL);
5995     */
5996     game_status = GAME_MODE_MAIN;
5997     DrawMainMenu();
5998   }
5999   else
6000   {
6001     CloseDoor(DOOR_CLOSE_1);
6002     BlitBitmap(bitmap_db_door, bitmap_db_door,
6003                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
6004                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
6005     OpenDoor(DOOR_OPEN_1);
6006   }
6007 }