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 /* positions in the level editor */
  26 #define ED_WIN_MB_LEFT_XPOS             6
  27 #define ED_WIN_MB_LEFT_YPOS             258
  28 #define ED_WIN_MB_MIDDLE_XPOS           42
  29 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  30 #define ED_WIN_MB_RIGHT_XPOS            78
  31 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  32
  33 /* other constants for the editor */
  34 #define ED_SCROLL_NO                    0
  35 #define ED_SCROLL_LEFT                  1
  36 #define ED_SCROLL_RIGHT                 2
  37 #define ED_SCROLL_UP                    4
  38 #define ED_SCROLL_DOWN                  8
  39
  40 /* screens in the level editor */
  41 #define ED_MODE_DRAWING                 0
  42 #define ED_MODE_INFO                    1
  43 #define ED_MODE_PROPERTIES              2
  44
  45 /* how many steps can be cancelled */
  46 #define NUM_UNDO_STEPS                  (10 + 1)
  47
  48 /* values for elements with score */
  49 #define MIN_SCORE                       0
  50 #define MAX_SCORE                       255
  51
  52 /* values for the control window */
  53 #define ED_CTRL_BUTTONS_GFX_YPOS        236
  54 #define ED_CTRL_BUTTONS_ALT_GFX_YPOS    142
  55
  56 #define ED_CTRL1_BUTTONS_HORIZ          4
  57 #define ED_CTRL1_BUTTONS_VERT           4
  58 #define ED_CTRL1_BUTTON_XSIZE           22
  59 #define ED_CTRL1_BUTTON_YSIZE           22
  60 #define ED_CTRL1_BUTTONS_XPOS           6
  61 #define ED_CTRL1_BUTTONS_YPOS           6
  62 #define ED_CTRL2_BUTTONS_HORIZ          3
  63 #define ED_CTRL2_BUTTONS_VERT           2
  64 #define ED_CTRL2_BUTTON_XSIZE           30
  65 #define ED_CTRL2_BUTTON_YSIZE           20
  66 #define ED_CTRL2_BUTTONS_XPOS           5
  67 #define ED_CTRL2_BUTTONS_YPOS           99
  68 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  69 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  70 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
  71
  72 /* values for the element list */
  73 #define ED_ELEMENTLIST_XPOS             5
  74 #define ED_ELEMENTLIST_YPOS             30
  75 #define ED_ELEMENTLIST_XSIZE            20
  76 #define ED_ELEMENTLIST_YSIZE            20
  77 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  78 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  79 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  80                                          ED_ELEMENTLIST_BUTTONS_VERT)
  81
  82 /* values for the setting windows */
  83 #define ED_SETTINGS_XPOS                (MINI_TILEX + 8)
  84 #define ED_SETTINGS2_XPOS               MINI_TILEX
  85 #define ED_SETTINGS_YPOS                MINI_TILEY
  86 #define ED_SETTINGS2_YPOS               (ED_SETTINGS_YPOS + 12 * TILEY - 2)
  87
  88 /* values for counter gadgets */
  89 #define ED_COUNT_ELEM_SCORE_XPOS        ED_SETTINGS_XPOS
  90 #define ED_COUNT_ELEM_SCORE_YPOS        (14 * MINI_TILEY)
  91 #define ED_COUNT_ELEM_CONTENT_XPOS      ED_SETTINGS_XPOS
  92 #define ED_COUNT_ELEM_CONTENT_YPOS      (19 * MINI_TILEY)
  93
  94 #define ED_COUNTER_YSTART               (ED_SETTINGS_YPOS + 2 * TILEY)
  95 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
  96 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
  97                                          n * ED_COUNTER_YDISTANCE)
  98 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
  99                                          n * ED_COUNTER_YDISTANCE - 2)
 100 /* standard distances */
 101 #define ED_BORDER_SIZE                  3
 102 #define ED_GADGET_DISTANCE              2
 103
 104 /* values for element content drawing areas */
 105 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 106 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 107
 108 /* values for random placement background drawing area */
 109 #define ED_AREA_RANDOM_BACKGROUND_XPOS  (29 * MINI_TILEX)
 110 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 111
 112 /* values for scrolling gadgets for drawing area */
 113 #define ED_SCROLLBUTTON_XPOS            24
 114 #define ED_SCROLLBUTTON_YPOS            0
 115 #define ED_SCROLLBAR_XPOS               24
 116 #define ED_SCROLLBAR_YPOS               64
 117
 118 #define ED_SCROLLBUTTON_XSIZE           16
 119 #define ED_SCROLLBUTTON_YSIZE           16
 120
 121 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 122 #define ED_SCROLL_UP_YPOS               (0)
 123 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 124 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 125 #define ED_SCROLL_LEFT_XPOS             (0)
 126 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 127 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 128 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 129 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 130 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 131 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 132 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 133 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 134 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 135 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 136 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 137
 138 /* values for scrolling gadgets for element list */
 139 #define ED_SCROLLBUTTON2_XPOS           50
 140 #define ED_SCROLLBUTTON2_YPOS           0
 141 #define ED_SCROLLBAR2_XPOS              50
 142 #define ED_SCROLLBAR2_YPOS              20
 143
 144 #define ED_SCROLLBUTTON2_XSIZE          10
 145 #define ED_SCROLLBUTTON2_YSIZE          10
 146
 147 #define ED_SCROLL2_UP_XPOS              85
 148 #define ED_SCROLL2_UP_YPOS              30
 149 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 150 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 151                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 152                                          ED_ELEMENTLIST_YSIZE - \
 153                                          ED_SCROLLBUTTON2_YSIZE)
 154 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 155 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 156                                          ED_SCROLLBUTTON2_YSIZE)
 157 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 158 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 159                                          ED_ELEMENTLIST_YSIZE - \
 160                                          2 * ED_SCROLLBUTTON2_YSIZE)
 161
 162 /* values for checkbutton gadgets */
 163 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 164 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 165 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 166 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 167 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 168 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 169 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 170
 171 /* some positions in the editor control window */
 172 #define ED_BUTTON_ELEM_XPOS     6
 173 #define ED_BUTTON_ELEM_YPOS     30
 174 #define ED_BUTTON_ELEM_XSIZE    22
 175 #define ED_BUTTON_ELEM_YSIZE    22
 176
 177 /* some values for text input and counter gadgets */
 178 #define ED_BUTTON_COUNT_YPOS    60
 179 #define ED_BUTTON_COUNT_XSIZE   20
 180 #define ED_BUTTON_COUNT_YSIZE   20
 181 #define ED_WIN_COUNT_XPOS       (2 + ED_BUTTON_COUNT_XSIZE + 2)
 182 #define ED_WIN_COUNT_YPOS       ED_BUTTON_COUNT_YPOS
 183 #define ED_WIN_COUNT_XSIZE      52
 184 #define ED_WIN_COUNT_YSIZE      ED_BUTTON_COUNT_YSIZE
 185 #define ED_WIN_COUNT2_XPOS      27
 186 #define ED_WIN_COUNT2_YPOS      3
 187 #define ED_WIN_COUNT2_XSIZE     46
 188 #define ED_WIN_COUNT2_YSIZE     ED_BUTTON_COUNT_YSIZE
 189
 190 #define ED_BUTTON_MINUS_XPOS    2
 191 #define ED_BUTTON_MINUS_YPOS    ED_BUTTON_COUNT_YPOS
 192 #define ED_BUTTON_MINUS_XSIZE   ED_BUTTON_COUNT_XSIZE
 193 #define ED_BUTTON_MINUS_YSIZE   ED_BUTTON_COUNT_YSIZE
 194 #define ED_BUTTON_PLUS_XPOS     (ED_WIN_COUNT_XPOS + ED_WIN_COUNT_XSIZE + 2)
 195 #define ED_BUTTON_PLUS_YPOS     ED_BUTTON_COUNT_YPOS
 196 #define ED_BUTTON_PLUS_XSIZE    ED_BUTTON_COUNT_XSIZE
 197 #define ED_BUTTON_PLUS_YSIZE    ED_BUTTON_COUNT_YSIZE
 198
 199 /* editor gadget identifiers */
 200
 201 /* drawing toolbox buttons */
 202 #define GADGET_ID_NONE                  -1
 203 #define GADGET_ID_SINGLE_ITEMS          0
 204 #define GADGET_ID_CONNECTED_ITEMS       1
 205 #define GADGET_ID_LINE                  2
 206 #define GADGET_ID_ARC                   3
 207 #define GADGET_ID_RECTANGLE             4
 208 #define GADGET_ID_FILLED_BOX            5
 209 #define GADGET_ID_WRAP_UP               6
 210 #define GADGET_ID_TEXT                  7
 211 #define GADGET_ID_FLOOD_FILL            8
 212 #define GADGET_ID_WRAP_LEFT             9
 213 #define GADGET_ID_PROPERTIES            10
 214 #define GADGET_ID_WRAP_RIGHT            11
 215 #define GADGET_ID_RANDOM_PLACEMENT      12
 216 #define GADGET_ID_GRAB_BRUSH            13
 217 #define GADGET_ID_WRAP_DOWN             14
 218 #define GADGET_ID_PICK_ELEMENT          15
 219 #define GADGET_ID_UNDO                  16
 220 #define GADGET_ID_INFO                  17
 221 #define GADGET_ID_SAVE                  18
 222 #define GADGET_ID_CLEAR                 19
 223 #define GADGET_ID_TEST                  20
 224 #define GADGET_ID_EXIT                  21
 225
 226 /* counter button identifiers */
 227 #define GADGET_ID_ELEM_SCORE_DOWN       22
 228 #define GADGET_ID_ELEM_SCORE_TEXT       23
 229 #define GADGET_ID_ELEM_SCORE_UP         24
 230 #define GADGET_ID_ELEM_CONTENT_DOWN     25
 231 #define GADGET_ID_ELEM_CONTENT_TEXT     26
 232 #define GADGET_ID_ELEM_CONTENT_UP       27
 233 #define GADGET_ID_LEVEL_XSIZE_DOWN      28
 234 #define GADGET_ID_LEVEL_XSIZE_TEXT      29
 235 #define GADGET_ID_LEVEL_XSIZE_UP        30
 236 #define GADGET_ID_LEVEL_YSIZE_DOWN      31
 237 #define GADGET_ID_LEVEL_YSIZE_TEXT      32
 238 #define GADGET_ID_LEVEL_YSIZE_UP        33
 239 #define GADGET_ID_LEVEL_RANDOM_DOWN     34
 240 #define GADGET_ID_LEVEL_RANDOM_TEXT     35
 241 #define GADGET_ID_LEVEL_RANDOM_UP       36
 242 #define GADGET_ID_LEVEL_COLLECT_DOWN    37
 243 #define GADGET_ID_LEVEL_COLLECT_TEXT    38
 244 #define GADGET_ID_LEVEL_COLLECT_UP      39
 245 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  40
 246 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  41
 247 #define GADGET_ID_LEVEL_TIMELIMIT_UP    42
 248 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  43
 249 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  44
 250 #define GADGET_ID_LEVEL_TIMESCORE_UP    45
 251 #define GADGET_ID_SELECT_LEVEL_DOWN     46
 252 #define GADGET_ID_SELECT_LEVEL_TEXT     47
 253 #define GADGET_ID_SELECT_LEVEL_UP       48
 254
 255 /* drawing area identifiers */
 256 #define GADGET_ID_DRAWING_LEVEL         49
 257 #define GADGET_ID_ELEM_CONTENT_0        50
 258 #define GADGET_ID_ELEM_CONTENT_1        51
 259 #define GADGET_ID_ELEM_CONTENT_2        52
 260 #define GADGET_ID_ELEM_CONTENT_3        53
 261 #define GADGET_ID_ELEM_CONTENT_4        54
 262 #define GADGET_ID_ELEM_CONTENT_5        55
 263 #define GADGET_ID_ELEM_CONTENT_6        56
 264 #define GADGET_ID_ELEM_CONTENT_7        57
 265 #define GADGET_ID_AMOEBA_CONTENT        58
 266
 267 /* text input identifiers */
 268 #define GADGET_ID_LEVEL_NAME            59
 269 #define GADGET_ID_LEVEL_AUTHOR          60
 270
 271 /* gadgets for scrolling of drawing area */
 272 #define GADGET_ID_SCROLL_UP             61
 273 #define GADGET_ID_SCROLL_DOWN           62
 274 #define GADGET_ID_SCROLL_LEFT           63
 275 #define GADGET_ID_SCROLL_RIGHT          64
 276 #define GADGET_ID_SCROLL_HORIZONTAL     65
 277 #define GADGET_ID_SCROLL_VERTICAL       66
 278
 279 /* gadgets for scrolling element list */
 280 #define GADGET_ID_SCROLL_LIST_UP        67
 281 #define GADGET_ID_SCROLL_LIST_DOWN      68
 282 #define GADGET_ID_SCROLL_LIST_VERTICAL  69
 283
 284 /* buttons for level settings */
 285 #define GADGET_ID_RANDOM_PERCENTAGE     70
 286 #define GADGET_ID_RANDOM_QUANTITY       71
 287 #define GADGET_ID_RANDOM_RESTRICTED     72
 288 #define GADGET_ID_DOUBLE_SPEED          73
 289 #define GADGET_ID_GRAVITY               74
 290 #define GADGET_ID_STICK_ELEMENT         75
 291 #define GADGET_ID_EM_SLIPPERY_GEMS      76
 292
 293 /* another drawing area for random placement */
 294 #define GADGET_ID_RANDOM_BACKGROUND     77
 295
 296 /* gadgets for buttons in element list */
 297 #define GADGET_ID_ELEMENTLIST_FIRST     78
 298 #define GADGET_ID_ELEMENTLIST_LAST      (78 + ED_NUM_ELEMENTLIST_BUTTONS - 1)
 299
 300 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 301
 302 /* radio button numbers */
 303 #define RADIO_NR_NONE                   0
 304 #define RADIO_NR_DRAWING_TOOLBOX        1
 305 #define RADIO_NR_RANDOM_ELEMENTS        2
 306
 307 /* values for counter gadgets */
 308 #define ED_COUNTER_ID_ELEM_SCORE        0
 309 #define ED_COUNTER_ID_ELEM_CONTENT      1
 310 #define ED_COUNTER_ID_LEVEL_XSIZE       2
 311 #define ED_COUNTER_ID_LEVEL_YSIZE       3
 312 #define ED_COUNTER_ID_LEVEL_COLLECT     4
 313 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   5
 314 #define ED_COUNTER_ID_LEVEL_TIMESCORE   6
 315 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 316 #define ED_COUNTER_ID_SELECT_LEVEL      8
 317
 318 #define ED_NUM_COUNTERBUTTONS           9
 319
 320 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 321 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 322
 323 /* values for scrollbutton gadgets */
 324 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 325 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 326 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 327 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 328 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 329 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 330
 331 #define ED_NUM_SCROLLBUTTONS            6
 332
 333 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 334 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 335
 336 /* values for scrollbar gadgets */
 337 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 338 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 339 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 340
 341 #define ED_NUM_SCROLLBARS               3
 342
 343 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 344 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 345
 346 /* values for text input gadgets */
 347 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 348 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 349
 350 #define ED_NUM_TEXTINPUT                2
 351
 352 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 353 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 354
 355 /* values for checkbutton gadgets */
 356 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 357 #define ED_CHECKBUTTON_ID_GRAVITY               1
 358 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 359 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 360 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 361
 362 #define ED_NUM_CHECKBUTTONS                     5
 363
 364 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 365 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 366
 367 /* values for radiobutton gadgets */
 368 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 369 #define ED_RADIOBUTTON_ID_QUANTITY      1
 370
 371 #define ED_NUM_RADIOBUTTONS             2
 372
 373 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 374 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 375
 376 /* values for CopyLevelToUndoBuffer() */
 377 #define UNDO_IMMEDIATE                  0
 378 #define UNDO_ACCUMULATE                 1
 379
 380 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 381 #define INFOTEXT_XPOS                   SX
 382 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 383 #define INFOTEXT_XSIZE                  SXSIZE
 384 #define INFOTEXT_YSIZE                  MINI_TILEX
 385 #define MAX_INFOTEXT_LEN                (SXSIZE / FONT2_XSIZE)
 386
 387 static struct
 388 {
 389   char shortcut;
 390   char *text;
 391 } control_info[ED_NUM_CTRL_BUTTONS] =
 392 {
 393   { 's', "draw single items" },
 394   { 'd', "draw connected items" },
 395   { 'l', "draw lines" },
 396   { 'a', "draw arcs" },
 397   { 'r', "draw outline rectangles" },
 398   { 'R', "draw filled rectangles" },
 399   { '\0', "wrap (rotate) level up" },
 400   { 't', "enter text elements" },
 401   { 'f', "flood fill" },
 402   { '\0', "wrap (rotate) level left" },
 403   { '?', "properties of drawing element" },
 404   { '\0', "wrap (rotate) level right" },
 405   { '\0', "random element placement" },
 406   { 'b', "grab brush" },
 407   { '\0', "wrap (rotate) level down" },
 408   { ',', "pick drawing element" },
 409   { 'U', "undo last operation" },
 410   { 'I', "level properties" },
 411   { 'S', "save level" },
 412   { 'C', "clear level" },
 413   { 'T', "test level" },
 414   { 'E', "exit level editor" }
 415 };
 416
 417 /* values for random placement */
 418 #define RANDOM_USE_PERCENTAGE           0
 419 #define RANDOM_USE_QUANTITY             1
 420
 421 static int random_placement_value = 10;
 422 static int random_placement_method = RANDOM_USE_QUANTITY;
 423 static int random_placement_background_element = EL_SAND;
 424 static boolean random_placement_background_restricted = FALSE;
 425 static boolean stick_element_properties_window = FALSE;
 426
 427 static struct
 428 {
 429   int x, y;
 430   int min_value, max_value;
 431   int gadget_id_down, gadget_id_up;
 432   int gadget_id_text;
 433   int *value;
 434   char *infotext_above, *infotext_right;
 435 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 436 {
 437   {
 438     ED_COUNT_ELEM_SCORE_XPOS,           ED_COUNT_ELEM_SCORE_YPOS,
 439     MIN_SCORE,                          MAX_SCORE,
 440     GADGET_ID_ELEM_SCORE_DOWN,          GADGET_ID_ELEM_SCORE_UP,
 441     GADGET_ID_ELEM_SCORE_TEXT,
 442     NULL,                               /* will be set when used */
 443     "element score",                    NULL
 444   },
 445   {
 446     ED_COUNT_ELEM_CONTENT_XPOS,         ED_COUNT_ELEM_CONTENT_YPOS,
 447     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 448     GADGET_ID_ELEM_CONTENT_DOWN,        GADGET_ID_ELEM_CONTENT_UP,
 449     GADGET_ID_ELEM_CONTENT_TEXT,
 450     &level.num_yam_contents,
 451     "element content",                  NULL
 452   },
 453   {
 454     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(2),
 455     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 456     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 457     GADGET_ID_LEVEL_XSIZE_TEXT,
 458     &level.fieldx,
 459     "playfield size",                   "width",
 460   },
 461   {
 462     ED_SETTINGS_XPOS + 2 * DXSIZE,      ED_COUNTER_YPOS(2),
 463     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 464     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 465     GADGET_ID_LEVEL_YSIZE_TEXT,
 466     &level.fieldy,
 467     NULL,                               "height",
 468   },
 469   {
 470     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(3),
 471     0,                                  999,
 472     GADGET_ID_LEVEL_COLLECT_DOWN,       GADGET_ID_LEVEL_COLLECT_UP,
 473     GADGET_ID_LEVEL_COLLECT_TEXT,
 474     &level.gems_needed,
 475     "number of emeralds to collect",    NULL
 476   },
 477   {
 478     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 479     0,                                  999,
 480     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 481     GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 482     &level.time,
 483     "time available to solve level",    "(0 => no time limit)"
 484   },
 485   {
 486     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(5),
 487     0,                                  255,
 488     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 489     GADGET_ID_LEVEL_TIMESCORE_TEXT,
 490     &level.score[SC_ZEITBONUS],
 491     "score for each 10 seconds left",   NULL
 492   },
 493   {
 494     ED_SETTINGS_XPOS,                   ED_COUNTER2_YPOS(8),
 495     1,                                  100,
 496     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 497     GADGET_ID_LEVEL_RANDOM_TEXT,
 498     &random_placement_value,
 499     "random element placement",         "in"
 500   },
 501   {
 502     DX + 5 - SX,                        DY + 3 - SY,
 503     1,                                  100,
 504     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 505     GADGET_ID_SELECT_LEVEL_TEXT,
 506     &level_nr,
 507     NULL,                               NULL
 508   }
 509 };
 510
 511 static struct
 512 {
 513   int x, y;
 514   int gadget_id;
 515   int size;
 516   char *value;
 517   char *infotext;
 518 } textinput_info[ED_NUM_TEXTINPUT] =
 519 {
 520   {
 521     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(0),
 522     GADGET_ID_LEVEL_NAME,
 523     MAX_LEVEL_NAME_LEN,
 524     level.name,
 525     "Title"
 526   },
 527   {
 528     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(1),
 529     GADGET_ID_LEVEL_AUTHOR,
 530     MAX_LEVEL_AUTHOR_LEN,
 531     level.author,
 532     "Author"
 533   }
 534 };
 535
 536 static struct
 537 {
 538   int xpos, ypos;
 539   int x, y;
 540   int gadget_id;
 541   char *infotext;
 542 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
 543 {
 544   {
 545     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
 546     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
 547     GADGET_ID_SCROLL_UP,
 548     "scroll level editing area up"
 549   },
 550   {
 551     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
 552     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
 553     GADGET_ID_SCROLL_DOWN,
 554     "scroll level editing area down"
 555   },
 556   {
 557     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
 558     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
 559     GADGET_ID_SCROLL_LEFT,
 560     "scroll level editing area left"
 561   },
 562   {
 563     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
 564     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
 565     GADGET_ID_SCROLL_RIGHT,
 566     "scroll level editing area right"
 567   },
 568   {
 569     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
 570     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
 571     GADGET_ID_SCROLL_LIST_UP,
 572     "scroll element list up ('Page Up')"
 573   },
 574   {
 575     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
 576     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
 577     GADGET_ID_SCROLL_LIST_DOWN,
 578     "scroll element list down ('Page Down')"
 579   }
 580 };
 581
 582 static struct
 583 {
 584   int xpos, ypos;
 585   int x, y;
 586   int width, height;
 587   int type;
 588   int gadget_id;
 589   char *infotext;
 590 } scrollbar_info[ED_NUM_SCROLLBARS] =
 591 {
 592   {
 593     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 594     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
 595     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
 596     GD_TYPE_SCROLLBAR_HORIZONTAL,
 597     GADGET_ID_SCROLL_HORIZONTAL,
 598     "scroll level editing area horizontally"
 599   },
 600   {
 601     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 602     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
 603     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
 604     GD_TYPE_SCROLLBAR_VERTICAL,
 605     GADGET_ID_SCROLL_VERTICAL,
 606     "scroll level editing area vertically"
 607   },
 608   {
 609     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
 610     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
 611     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
 612     GD_TYPE_SCROLLBAR_VERTICAL,
 613     GADGET_ID_SCROLL_LIST_VERTICAL,
 614     "scroll element list vertically"
 615   }
 616 };
 617
 618 static struct
 619 {
 620   int x, y;
 621   int gadget_id;
 622   int radio_button_nr;
 623   int *value;
 624   int checked_value;
 625   char *text, *infotext;
 626 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
 627 {
 628   {
 629     ED_SETTINGS_XPOS + 160,             ED_COUNTER2_YPOS(8),
 630     GADGET_ID_RANDOM_PERCENTAGE,
 631     RADIO_NR_RANDOM_ELEMENTS,
 632     &random_placement_method,           RANDOM_USE_PERCENTAGE,
 633     "percentage",                       "use percentage for random elements"
 634   },
 635   {
 636     ED_SETTINGS_XPOS + 340,             ED_COUNTER2_YPOS(8),
 637     GADGET_ID_RANDOM_QUANTITY,
 638     RADIO_NR_RANDOM_ELEMENTS,
 639     &random_placement_method,           RANDOM_USE_QUANTITY,
 640     "quantity",                         "use quantity for random elements"
 641   }
 642 };
 643
 644 static struct
 645 {
 646   int x, y;
 647   int gadget_id;
 648   boolean *value;
 649   char *text, *infotext;
 650 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
 651 {
 652   {
 653     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(6) - MINI_TILEY,
 654     GADGET_ID_DOUBLE_SPEED,
 655     &level.double_speed,
 656     "double speed movement",            "set movement speed of player"
 657   },
 658   {
 659     ED_SETTINGS_XPOS + 340,             ED_COUNTER_YPOS(6) - MINI_TILEY,
 660     GADGET_ID_GRAVITY,
 661     &level.gravity,
 662     "gravity",                          "set level gravity"
 663   },
 664   {
 665     ED_SETTINGS_XPOS,                   ED_COUNTER2_YPOS(9) - MINI_TILEY,
 666     GADGET_ID_RANDOM_RESTRICTED,
 667     &random_placement_background_restricted,
 668     "restrict random placement to",     "set random placement restriction"
 669   },
 670   {
 671     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 672     GADGET_ID_STICK_ELEMENT,
 673     &stick_element_properties_window,
 674     "stick window to edit content",     "stick window to edit content"
 675   },
 676   {
 677     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 678     GADGET_ID_EM_SLIPPERY_GEMS,
 679     &level.em_slippery_gems,
 680     "slip down from certain flat walls","use EM style slipping behaviour"
 681   }
 682 };
 683
 684 /* maximal size of level editor drawing area */
 685 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 686 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 687
 688 /* actual size of level editor drawing area */
 689 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
 690
 691 /* actual position of level editor drawing area in level playfield */
 692 static int level_xpos = -1, level_ypos = -1;
 693
 694 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
 695
 696 /* drawing elements on the three mouse buttons */
 697 static int new_element1 = EL_WALL;
 698 static int new_element2 = EL_EMPTY;
 699 static int new_element3 = EL_SAND;
 700
 701 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
 702                                 (button) == 2 ? new_element2 : \
 703                                 (button) == 3 ? new_element3 : EL_EMPTY)
 704 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
 705
 706 /* forward declaration for internal use */
 707 static void ModifyEditorCounter(int, int);
 708 static void ModifyEditorCounterLimits(int, int, int);
 709 static void DrawDrawingWindow();
 710 static void DrawLevelInfoWindow();
 711 static void DrawPropertiesWindow();
 712 static void CopyLevelToUndoBuffer(int);
 713 static void HandleDrawingAreas(struct GadgetInfo *);
 714 static void HandleCounterButtons(struct GadgetInfo *);
 715 static void HandleTextInputGadgets(struct GadgetInfo *);
 716 static void HandleRadiobuttons(struct GadgetInfo *);
 717 static void HandleCheckbuttons(struct GadgetInfo *);
 718 static void HandleControlButtons(struct GadgetInfo *);
 719 static void HandleDrawingAreaInfo(struct GadgetInfo *);
 720
 721 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
 722
 723 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
 724 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
 725 static boolean draw_with_brush = FALSE;
 726 static int properties_element = 0;
 727
 728 static short ElementContent[MAX_ELEMENT_CONTENTS][3][3];
 729 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
 730 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
 731 static int undo_buffer_position = 0;
 732 static int undo_buffer_steps = 0;
 733
 734 static int edit_mode;
 735
 736 static int counter_xsize = DXSIZE + FONT2_XSIZE - 2 * ED_GADGET_DISTANCE;
 737
 738 int element_shift = 0;
 739
 740 int editor_el_boulderdash[] =
 741 {
 742   EL_CHAR('B'),
 743   EL_CHAR('O'),
 744   EL_CHAR('U'),
 745   EL_CHAR('L'),
 746
 747   EL_CHAR('-'),
 748   EL_CHAR('D'),
 749   EL_CHAR('E'),
 750   EL_CHAR('R'),
 751
 752   EL_CHAR('D'),
 753   EL_CHAR('A'),
 754   EL_CHAR('S'),
 755   EL_CHAR('H'),
 756
 757   EL_PLAYER1,
 758   EL_EMPTY,
 759   EL_SAND,
 760   EL_STEELWALL,
 761
 762   EL_BD_WALL,
 763   EL_BD_MAGIC_WALL,
 764   EL_EXIT_CLOSED,
 765   EL_EXIT_OPEN,
 766
 767   EL_BD_DIAMOND,
 768   EL_BD_BUTTERFLY_UP,
 769   EL_BD_FIREFLY_UP,
 770   EL_BD_ROCK,
 771
 772   EL_BD_BUTTERFLY_LEFT,
 773   EL_BD_FIREFLY_LEFT,
 774   EL_BD_BUTTERFLY_RIGHT,
 775   EL_BD_FIREFLY_RIGHT,
 776
 777   EL_BD_AMOEBA,
 778   EL_BD_BUTTERFLY_DOWN,
 779   EL_BD_FIREFLY_DOWN,
 780   EL_EMPTY,
 781 };
 782 int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
 783
 784 int editor_el_emerald_mine[] =
 785 {
 786   EL_CHAR('E'),
 787   EL_CHAR('M'),
 788   EL_CHAR('E'),
 789   EL_CHAR('-'),
 790
 791   EL_CHAR('R'),
 792   EL_CHAR('A'),
 793   EL_CHAR('L'),
 794   EL_CHAR('D'),
 795
 796   EL_CHAR('M'),
 797   EL_CHAR('I'),
 798   EL_CHAR('N'),
 799   EL_CHAR('E'),
 800
 801   EL_PLAYER1,
 802   EL_PLAYER2,
 803   EL_PLAYER3,
 804   EL_PLAYER4,
 805
 806   EL_PLAYER1,
 807   EL_EMPTY,
 808   EL_SAND,
 809   EL_ROCK,
 810
 811   EL_STEELWALL,
 812   EL_WALL,
 813   EL_WALL_CRUMBLED,
 814   EL_MAGIC_WALL,
 815
 816   EL_EMERALD,
 817   EL_DIAMOND,
 818   EL_NUT,
 819   EL_BOMB,
 820
 821   EL_WALL_EMERALD,
 822   EL_WALL_DIAMOND,
 823   EL_QUICKSAND_EMPTY,
 824   EL_QUICKSAND_FULL,
 825
 826   EL_DYNAMITE,
 827   EL_DYNAMITE_ACTIVE,
 828   EL_EXIT_CLOSED,
 829   EL_EXIT_OPEN,
 830
 831   EL_YAMYAM,
 832   EL_BUG_UP,
 833   EL_SPACESHIP_UP,
 834   EL_ROBOT,
 835
 836   EL_BUG_LEFT,
 837   EL_SPACESHIP_LEFT,
 838   EL_BUG_RIGHT,
 839   EL_SPACESHIP_RIGHT,
 840
 841   EL_ROBOT_WHEEL,
 842   EL_BUG_DOWN,
 843   EL_SPACESHIP_DOWN,
 844   EL_INVISIBLE_WALL,
 845
 846   EL_ACIDPOOL_TOPLEFT,
 847   EL_ACID,
 848   EL_ACIDPOOL_TOPRIGHT,
 849   EL_EMPTY,
 850
 851   EL_ACIDPOOL_BOTTOMLEFT,
 852   EL_ACIDPOOL_BOTTOM,
 853   EL_ACIDPOOL_BOTTOMRIGHT,
 854   EL_EMPTY,
 855
 856   EL_AMOEBA_DROP,
 857   EL_AMOEBA_DEAD,
 858   EL_AMOEBA_WET,
 859   EL_AMOEBA_DRY,
 860
 861   EL_EM_KEY1_FILE,
 862   EL_EM_KEY2_FILE,
 863   EL_EM_KEY3_FILE,
 864   EL_EM_KEY4_FILE,
 865
 866   EL_EM_GATE1,
 867   EL_EM_GATE2,
 868   EL_EM_GATE3,
 869   EL_EM_GATE4,
 870
 871   EL_EM_GATE1_GRAY,
 872   EL_EM_GATE2_GRAY,
 873   EL_EM_GATE3_GRAY,
 874   EL_EM_GATE4_GRAY,
 875 };
 876 int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
 877
 878 int editor_el_more[] =
 879 {
 880   EL_CHAR('M'),
 881   EL_CHAR('O'),
 882   EL_CHAR('R'),
 883   EL_CHAR('E'),
 884
 885   EL_KEY1,
 886   EL_KEY2,
 887   EL_KEY3,
 888   EL_KEY4,
 889
 890   EL_GATE1,
 891   EL_GATE2,
 892   EL_GATE3,
 893   EL_GATE4,
 894
 895   EL_GATE1_GRAY,
 896   EL_GATE2_GRAY,
 897   EL_GATE3_GRAY,
 898   EL_GATE4_GRAY,
 899
 900   EL_ARROW_BLUE_LEFT,
 901   EL_ARROW_BLUE_RIGHT,
 902   EL_ARROW_BLUE_UP,
 903   EL_ARROW_BLUE_DOWN,
 904
 905   EL_AMOEBA_FULL,
 906   EL_EMERALD_YELLOW,
 907   EL_EMERALD_RED,
 908   EL_EMERALD_PURPLE,
 909
 910   EL_WALL_BD_DIAMOND,
 911   EL_WALL_EMERALD_YELLOW,
 912   EL_WALL_EMERALD_RED,
 913   EL_WALL_EMERALD_PURPLE,
 914
 915   EL_GAMEOFLIFE,
 916   EL_PACMAN_UP,
 917   EL_TIME_ORB_FULL,
 918   EL_TIME_ORB_EMPTY,
 919
 920   EL_PACMAN_LEFT,
 921   EL_DARK_YAMYAM,
 922   EL_PACMAN_RIGHT,
 923   EL_WALL_GROWING,
 924
 925   EL_BIOMAZE,
 926   EL_PACMAN_DOWN,
 927   EL_LAMP,
 928   EL_LAMP_ACTIVE,
 929
 930   EL_DYNABOMB_NR,
 931   EL_DYNABOMB_SZ,
 932   EL_DYNABOMB_XL,
 933   EL_STONEBLOCK,
 934
 935   EL_MOLE,
 936   EL_PENGUIN,
 937   EL_PIG,
 938   EL_DRAGON,
 939
 940   EL_EMPTY,
 941   EL_MOLE_UP,
 942   EL_EMPTY,
 943   EL_EMPTY,
 944
 945   EL_MOLE_LEFT,
 946   EL_EMPTY,
 947   EL_MOLE_RIGHT,
 948   EL_EMPTY,
 949
 950   EL_EMPTY,
 951   EL_MOLE_DOWN,
 952   EL_BALLOON,
 953   EL_BALLOON_SEND_ANY_DIRECTION,
 954
 955   EL_BALLOON_SEND_LEFT,
 956   EL_BALLOON_SEND_RIGHT,
 957   EL_BALLOON_SEND_UP,
 958   EL_BALLOON_SEND_DOWN,
 959
 960   EL_SATELLITE,
 961   EL_WALL_GROWING_X,
 962   EL_WALL_GROWING_Y,
 963   EL_WALL_GROWING_XY,
 964
 965   EL_INVISIBLE_STEELWALL,
 966   EL_INVISIBLE_WALL,
 967   EL_SPEED_PILL,
 968   EL_BLACK_ORB,
 969
 970   EL_EMC_STEELWALL1,
 971   EL_EMC_WALL_PILLAR_UPPER,
 972   EL_EMC_WALL_PILLAR_MIDDLE,
 973   EL_EMC_WALL_PILLAR_LOWER,
 974
 975   EL_EMC_WALL4,
 976   EL_EMC_WALL5,
 977   EL_EMC_WALL6,
 978   EL_EMC_WALL7,
 979 };
 980 int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
 981
 982 int editor_el_sokoban[] =
 983 {
 984   EL_CHAR('S'),
 985   EL_CHAR('O'),
 986   EL_CHAR('K'),
 987   EL_CHAR('O'),
 988
 989   EL_CHAR('-'),
 990   EL_CHAR('B'),
 991   EL_CHAR('A'),
 992   EL_CHAR('N'),
 993
 994   EL_SOKOBAN_OBJECT,
 995   EL_SOKOBAN_FIELD_EMPTY,
 996   EL_SOKOBAN_FIELD_FULL,
 997   EL_STEELWALL,
 998 };
 999 int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1000
1001 int editor_el_supaplex[] =
1002 {
1003   EL_CHAR('S'),
1004   EL_CHAR('U'),
1005   EL_CHAR('P'),
1006   EL_CHAR('A'),
1007
1008   EL_CHAR('P'),
1009   EL_CHAR('L'),
1010   EL_CHAR('E'),
1011   EL_CHAR('X'),
1012
1013   EL_SP_EMPTY,
1014   EL_SP_ZONK,
1015   EL_SP_BASE,
1016   EL_SP_MURPHY,
1017
1018   EL_SP_INFOTRON,
1019   EL_SP_CHIP_SINGLE,
1020   EL_SP_HARD_GRAY,
1021   EL_SP_EXIT_CLOSED,
1022
1023   EL_SP_DISK_ORANGE,
1024   EL_SP_PORT1_RIGHT,
1025   EL_SP_PORT1_DOWN,
1026   EL_SP_PORT1_LEFT,
1027
1028   EL_SP_PORT1_UP,
1029   EL_SP_PORT2_RIGHT,
1030   EL_SP_PORT2_DOWN,
1031   EL_SP_PORT2_LEFT,
1032
1033   EL_SP_PORT2_UP,
1034   EL_SP_SNIKSNAK,
1035   EL_SP_DISK_YELLOW,
1036   EL_SP_TERMINAL,
1037
1038   EL_SP_DISK_RED,
1039   EL_SP_PORT_Y,
1040   EL_SP_PORT_X,
1041   EL_SP_PORT_XY,
1042
1043   EL_SP_ELECTRON,
1044   EL_SP_BUGGY_BASE,
1045   EL_SP_CHIP_LEFT,
1046   EL_SP_CHIP_RIGHT,
1047
1048   EL_SP_HARD_BASE1,
1049   EL_SP_HARD_GREEN,
1050   EL_SP_HARD_BLUE,
1051   EL_SP_HARD_RED,
1052
1053   EL_SP_HARD_YELLOW,
1054   EL_SP_HARD_BASE2,
1055   EL_SP_HARD_BASE3,
1056   EL_SP_HARD_BASE4,
1057
1058   EL_SP_HARD_BASE5,
1059   EL_SP_HARD_BASE6,
1060   EL_SP_CHIP_UPPER,
1061   EL_SP_CHIP_LOWER,
1062 };
1063 int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1064
1065 int editor_el_diamond_caves[] =
1066 {
1067   EL_CHAR('D'),
1068   EL_CHAR('I'),
1069   EL_CHAR('A'),
1070   EL_CHAR('-'),
1071
1072   EL_CHAR('M'),
1073   EL_CHAR('O'),
1074   EL_CHAR('N'),
1075   EL_CHAR('D'),
1076
1077   EL_CHAR('C'),
1078   EL_CHAR('A'),
1079   EL_CHAR('V'),
1080   EL_CHAR('E'),
1081
1082   EL_CHAR('S'),
1083   EL_CHAR(' '),
1084   EL_CHAR('I'),
1085   EL_CHAR('I'),
1086
1087   EL_PEARL,
1088   EL_CRYSTAL,
1089   EL_WALL_PEARL,
1090   EL_WALL_CRYSTAL,
1091
1092   EL_CONVEYOR_BELT1_LEFT,
1093   EL_CONVEYOR_BELT1_MIDDLE,
1094   EL_CONVEYOR_BELT1_RIGHT,
1095   EL_CONVEYOR_BELT1_SWITCH_MIDDLE,
1096
1097   EL_CONVEYOR_BELT2_LEFT,
1098   EL_CONVEYOR_BELT2_MIDDLE,
1099   EL_CONVEYOR_BELT2_RIGHT,
1100   EL_CONVEYOR_BELT2_SWITCH_MIDDLE,
1101
1102   EL_CONVEYOR_BELT3_LEFT,
1103   EL_CONVEYOR_BELT3_MIDDLE,
1104   EL_CONVEYOR_BELT3_RIGHT,
1105   EL_CONVEYOR_BELT3_SWITCH_MIDDLE,
1106
1107   EL_CONVEYOR_BELT4_LEFT,
1108   EL_CONVEYOR_BELT4_MIDDLE,
1109   EL_CONVEYOR_BELT4_RIGHT,
1110   EL_CONVEYOR_BELT4_SWITCH_MIDDLE,
1111
1112   EL_CONVEYOR_BELT1_SWITCH_LEFT,
1113   EL_CONVEYOR_BELT2_SWITCH_LEFT,
1114   EL_CONVEYOR_BELT3_SWITCH_LEFT,
1115   EL_CONVEYOR_BELT4_SWITCH_LEFT,
1116
1117   EL_CONVEYOR_BELT1_SWITCH_RIGHT,
1118   EL_CONVEYOR_BELT2_SWITCH_RIGHT,
1119   EL_CONVEYOR_BELT3_SWITCH_RIGHT,
1120   EL_CONVEYOR_BELT4_SWITCH_RIGHT,
1121
1122   EL_SWITCHGATE_OPEN,
1123   EL_SWITCHGATE_CLOSED,
1124   EL_SWITCHGATE_SWITCH_UP,
1125   EL_ENVELOPE,
1126
1127   EL_TIMEGATE_CLOSED,
1128   EL_TIMEGATE_OPEN,
1129   EL_TIMEGATE_SWITCH,
1130   EL_EMPTY,
1131
1132   EL_LANDMINE,
1133   EL_INVISIBLE_SAND,
1134   EL_STEELWALL_SLANTED,
1135   EL_EMPTY,
1136
1137   EL_SIGN_EXCLAMATION,
1138   EL_SIGN_STOP,
1139   EL_LIGHT_SWITCH,
1140   EL_LIGHT_SWITCH_ACTIVE,
1141
1142   EL_SHIELD_NORMAL,
1143   EL_SHIELD_DEADLY,
1144   EL_EXTRA_TIME,
1145   EL_EMPTY,
1146 };
1147 int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1148
1149 int editor_el_dx_boulderdash[] =
1150 {
1151   EL_CHAR('D'),
1152   EL_CHAR('X'),
1153   EL_CHAR('-'),
1154   EL_CHAR(' '),
1155
1156   EL_CHAR('B'),
1157   EL_CHAR('O'),
1158   EL_CHAR('U'),
1159   EL_CHAR('L'),
1160
1161   EL_CHAR('-'),
1162   EL_CHAR('D'),
1163   EL_CHAR('E'),
1164   EL_CHAR('R'),
1165
1166   EL_CHAR('D'),
1167   EL_CHAR('A'),
1168   EL_CHAR('S'),
1169   EL_CHAR('H'),
1170
1171   EL_SPRING,
1172   EL_TUBE_RIGHT_DOWN,
1173   EL_TUBE_HORIZONTAL_DOWN,
1174   EL_TUBE_LEFT_DOWN,
1175
1176   EL_TUBE_HORIZONTAL,
1177   EL_TUBE_VERTICAL_RIGHT,
1178   EL_TUBE_ALL,
1179   EL_TUBE_VERTICAL_LEFT,
1180
1181   EL_TUBE_VERTICAL,
1182   EL_TUBE_RIGHT_UP,
1183   EL_TUBE_HORIZONTAL_UP,
1184   EL_TUBE_LEFT_UP,
1185
1186   EL_TRAP,
1187   EL_DX_SUPABOMB,
1188   EL_EMPTY,
1189   EL_EMPTY
1190 };
1191 int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
1192
1193 int editor_el_chars[] =
1194 {
1195   EL_CHAR('T'),
1196   EL_CHAR('E'),
1197   EL_CHAR('X'),
1198   EL_CHAR('T'),
1199
1200   EL_CHAR(' '),
1201   EL_CHAR('!'),
1202   EL_CHAR('"'),
1203   EL_CHAR('#'),
1204
1205   EL_CHAR('$'),
1206   EL_CHAR('%'),
1207   EL_CHAR('&'),
1208   EL_CHAR('\''),
1209
1210   EL_CHAR('('),
1211   EL_CHAR(')'),
1212   EL_CHAR('*'),
1213   EL_CHAR('+'),
1214
1215   EL_CHAR(','),
1216   EL_CHAR('-'),
1217   EL_CHAR('.'),
1218   EL_CHAR('/'),
1219
1220   EL_CHAR('0'),
1221   EL_CHAR('1'),
1222   EL_CHAR('2'),
1223   EL_CHAR('3'),
1224
1225   EL_CHAR('4'),
1226   EL_CHAR('5'),
1227   EL_CHAR('6'),
1228   EL_CHAR('7'),
1229
1230   EL_CHAR('8'),
1231   EL_CHAR('9'),
1232   EL_CHAR(':'),
1233   EL_CHAR(';'),
1234
1235   EL_CHAR('<'),
1236   EL_CHAR('='),
1237   EL_CHAR('>'),
1238   EL_CHAR('?'),
1239
1240   EL_CHAR('@'),
1241   EL_CHAR('A'),
1242   EL_CHAR('B'),
1243   EL_CHAR('C'),
1244
1245   EL_CHAR('D'),
1246   EL_CHAR('E'),
1247   EL_CHAR('F'),
1248   EL_CHAR('G'),
1249
1250   EL_CHAR('H'),
1251   EL_CHAR('I'),
1252   EL_CHAR('J'),
1253   EL_CHAR('K'),
1254
1255   EL_CHAR('L'),
1256   EL_CHAR('M'),
1257   EL_CHAR('N'),
1258   EL_CHAR('O'),
1259
1260   EL_CHAR('P'),
1261   EL_CHAR('Q'),
1262   EL_CHAR('R'),
1263   EL_CHAR('S'),
1264
1265   EL_CHAR('T'),
1266   EL_CHAR('U'),
1267   EL_CHAR('V'),
1268   EL_CHAR('W'),
1269
1270   EL_CHAR('X'),
1271   EL_CHAR('Y'),
1272   EL_CHAR('Z'),
1273   EL_CHAR('Ä'),
1274
1275   EL_CHAR('Ö'),
1276   EL_CHAR('Ü'),
1277   EL_CHAR('^'),
1278   EL_CHAR('_'),
1279
1280   EL_CHAR(' '),
1281   EL_CHAR('°'),
1282   EL_CHAR('´'),
1283   EL_CHAR('|')
1284 };
1285 int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
1286
1287 int editor_el_custom[] =
1288 {
1289   EL_CHAR('C'),
1290   EL_CHAR('U'),
1291   EL_CHAR('S'),
1292   EL_CHAR('-'),
1293
1294   EL_CHAR('T'),
1295   EL_CHAR('O'),
1296   EL_CHAR('M'),
1297   EL_CHAR(' '),
1298
1299   EL_CHAR('E'),
1300   EL_CHAR('L'),
1301   EL_CHAR('E'),
1302   EL_CHAR('M'),
1303
1304   EL_CHAR('E'),
1305   EL_CHAR('N'),
1306   EL_CHAR('T'),
1307   EL_CHAR('S'),
1308
1309   EL_CUSTOM_START + 0,
1310   EL_CUSTOM_START + 1,
1311   EL_CUSTOM_START + 2,
1312   EL_CUSTOM_START + 3,
1313
1314   EL_CUSTOM_START + 4,
1315   EL_CUSTOM_START + 5,
1316   EL_CUSTOM_START + 6,
1317   EL_CUSTOM_START + 7,
1318
1319   EL_CUSTOM_START + 8,
1320   EL_CUSTOM_START + 9,
1321   EL_CUSTOM_START + 10,
1322   EL_CUSTOM_START + 11,
1323
1324   EL_CUSTOM_START + 12,
1325   EL_CUSTOM_START + 13,
1326   EL_CUSTOM_START + 14,
1327   EL_CUSTOM_START + 15,
1328
1329   EL_CUSTOM_START + 16,
1330   EL_CUSTOM_START + 17,
1331   EL_CUSTOM_START + 18,
1332   EL_CUSTOM_START + 19,
1333
1334   EL_CUSTOM_START + 20,
1335   EL_CUSTOM_START + 21,
1336   EL_CUSTOM_START + 22,
1337   EL_CUSTOM_START + 23,
1338
1339   EL_CUSTOM_START + 24,
1340   EL_CUSTOM_START + 25,
1341   EL_CUSTOM_START + 26,
1342   EL_CUSTOM_START + 27,
1343
1344   EL_CUSTOM_START + 28,
1345   EL_CUSTOM_START + 29,
1346   EL_CUSTOM_START + 30,
1347   EL_CUSTOM_START + 31,
1348
1349   EL_CUSTOM_START + 32,
1350   EL_CUSTOM_START + 33,
1351   EL_CUSTOM_START + 34,
1352   EL_CUSTOM_START + 35,
1353
1354   EL_CUSTOM_START + 36,
1355   EL_CUSTOM_START + 37,
1356   EL_CUSTOM_START + 38,
1357   EL_CUSTOM_START + 39,
1358
1359   EL_CUSTOM_START + 40,
1360   EL_CUSTOM_START + 41,
1361   EL_CUSTOM_START + 42,
1362   EL_CUSTOM_START + 43,
1363
1364   EL_CUSTOM_START + 44,
1365   EL_CUSTOM_START + 45,
1366   EL_CUSTOM_START + 46,
1367   EL_CUSTOM_START + 47,
1368
1369   EL_CUSTOM_START + 48,
1370   EL_CUSTOM_START + 49,
1371   EL_CUSTOM_START + 50,
1372   EL_CUSTOM_START + 51,
1373
1374   EL_CUSTOM_START + 52,
1375   EL_CUSTOM_START + 53,
1376   EL_CUSTOM_START + 54,
1377   EL_CUSTOM_START + 55,
1378
1379   EL_CUSTOM_START + 56,
1380   EL_CUSTOM_START + 57,
1381   EL_CUSTOM_START + 58,
1382   EL_CUSTOM_START + 59,
1383
1384   EL_CUSTOM_START + 60,
1385   EL_CUSTOM_START + 61,
1386   EL_CUSTOM_START + 62,
1387   EL_CUSTOM_START + 63,
1388
1389   EL_CUSTOM_START + 64,
1390   EL_CUSTOM_START + 65,
1391   EL_CUSTOM_START + 66,
1392   EL_CUSTOM_START + 67,
1393
1394   EL_CUSTOM_START + 68,
1395   EL_CUSTOM_START + 69,
1396   EL_CUSTOM_START + 70,
1397   EL_CUSTOM_START + 71,
1398
1399   EL_CUSTOM_START + 72,
1400   EL_CUSTOM_START + 73,
1401   EL_CUSTOM_START + 74,
1402   EL_CUSTOM_START + 75,
1403
1404   EL_CUSTOM_START + 76,
1405   EL_CUSTOM_START + 77,
1406   EL_CUSTOM_START + 78,
1407   EL_CUSTOM_START + 79,
1408
1409   EL_CUSTOM_START + 80,
1410   EL_CUSTOM_START + 81,
1411   EL_CUSTOM_START + 82,
1412   EL_CUSTOM_START + 83,
1413
1414   EL_CUSTOM_START + 84,
1415   EL_CUSTOM_START + 85,
1416   EL_CUSTOM_START + 86,
1417   EL_CUSTOM_START + 87,
1418
1419   EL_CUSTOM_START + 88,
1420   EL_CUSTOM_START + 89,
1421   EL_CUSTOM_START + 90,
1422   EL_CUSTOM_START + 91,
1423
1424   EL_CUSTOM_START + 92,
1425   EL_CUSTOM_START + 93,
1426   EL_CUSTOM_START + 94,
1427   EL_CUSTOM_START + 95,
1428
1429   EL_CUSTOM_START + 96,
1430   EL_CUSTOM_START + 97,
1431   EL_CUSTOM_START + 98,
1432   EL_CUSTOM_START + 99,
1433
1434   EL_CUSTOM_START + 100,
1435   EL_CUSTOM_START + 101,
1436   EL_CUSTOM_START + 102,
1437   EL_CUSTOM_START + 103,
1438
1439   EL_CUSTOM_START + 104,
1440   EL_CUSTOM_START + 105,
1441   EL_CUSTOM_START + 106,
1442   EL_CUSTOM_START + 107,
1443
1444   EL_CUSTOM_START + 108,
1445   EL_CUSTOM_START + 109,
1446   EL_CUSTOM_START + 110,
1447   EL_CUSTOM_START + 111,
1448
1449   EL_CUSTOM_START + 112,
1450   EL_CUSTOM_START + 113,
1451   EL_CUSTOM_START + 114,
1452   EL_CUSTOM_START + 115,
1453
1454   EL_CUSTOM_START + 116,
1455   EL_CUSTOM_START + 117,
1456   EL_CUSTOM_START + 118,
1457   EL_CUSTOM_START + 119,
1458
1459   EL_CUSTOM_START + 120,
1460   EL_CUSTOM_START + 121,
1461   EL_CUSTOM_START + 122,
1462   EL_CUSTOM_START + 123,
1463
1464   EL_CUSTOM_START + 124,
1465   EL_CUSTOM_START + 125,
1466   EL_CUSTOM_START + 126,
1467   EL_CUSTOM_START + 127
1468 };
1469 int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
1470
1471 int *editor_elements = NULL;    /* dynamically allocated */
1472 int num_editor_elements = 0;    /* dynamically determined */
1473
1474 struct
1475 {
1476   boolean *setup_value;
1477   int *element_list;
1478   int *element_list_size;
1479
1480   boolean last_setup_value;
1481 }
1482 editor_elements_info[] =
1483 {
1484   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
1485     &num_editor_el_boulderdash                                          },
1486   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
1487     &num_editor_el_emerald_mine                                         },
1488   { &setup.editor.el_more,              editor_el_more,
1489     &num_editor_el_more                                                 },
1490   { &setup.editor.el_sokoban,           editor_el_sokoban,
1491     &num_editor_el_sokoban                                              },
1492   { &setup.editor.el_supaplex,          editor_el_supaplex,
1493     &num_editor_el_supaplex                                             },
1494   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
1495     &num_editor_el_diamond_caves                                        },
1496   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
1497     &num_editor_el_dx_boulderdash                                       },
1498   { &setup.editor.el_chars,             editor_el_chars,
1499     &num_editor_el_chars                                                },
1500   { &setup.editor.el_custom,            editor_el_custom,
1501     &num_editor_el_custom                                               },
1502   { NULL,                               NULL,
1503     NULL                                                                }
1504 };
1505
1506 static void ReinitializeElementList()
1507 {
1508   int pos = 0;
1509   int i, j;
1510
1511   if (editor_elements != NULL)
1512     free(editor_elements);
1513
1514   num_editor_elements = 0;
1515
1516   /* determine size of element list */
1517   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1518     if (*editor_elements_info[i].setup_value)
1519       num_editor_elements += *editor_elements_info[i].element_list_size;
1520
1521   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
1522   {
1523     /* workaround: offer at least as many elements as element buttons exist */
1524     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
1525
1526     *editor_elements_info[list_nr].setup_value = TRUE;
1527     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
1528   }
1529
1530   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
1531
1532   /* fill element list */
1533   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1534     if (*editor_elements_info[i].setup_value)
1535       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
1536         editor_elements[pos++] = editor_elements_info[i].element_list[j];
1537 }
1538
1539 static void ReinitializeElementListButtons()
1540 {
1541   static boolean initialization_needed = TRUE;
1542   int i;
1543
1544   if (!initialization_needed)   /* check if editor element setup has changed */
1545     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1546       if (editor_elements_info[i].last_setup_value !=
1547           *editor_elements_info[i].setup_value)
1548         initialization_needed = TRUE;
1549
1550   if (!initialization_needed)
1551     return;
1552
1553   FreeLevelEditorGadgets();
1554   CreateLevelEditorGadgets();
1555
1556   /* store current setup values for next invocation of this function */
1557   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1558     editor_elements_info[i].last_setup_value =
1559       *editor_elements_info[i].setup_value;
1560
1561   initialization_needed = FALSE;
1562 }
1563
1564 static char *getElementInfoText(int element)
1565 {
1566   char *info_text = NULL;
1567
1568   if (element < NUM_FILE_ELEMENTS)
1569   {
1570     if (element_info[element].custom_description != NULL)
1571       info_text = element_info[element].custom_description;
1572     else if (element_info[element].editor_description != NULL)
1573       info_text = element_info[element].editor_description;
1574   }
1575
1576   if (info_text == NULL)
1577   {
1578     info_text = "unknown";
1579
1580     Error(ERR_WARN, "no element description for element %d", element);
1581   }
1582
1583   return info_text;
1584 }
1585
1586 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
1587 {
1588   int x,y;
1589   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
1590   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
1591
1592   BlitBitmap(drawto, drawto,
1593              SX + (dx == -1 ? MINI_TILEX : 0),
1594              SY + (dy == -1 ? MINI_TILEY : 0),
1595              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
1596              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
1597              SX + (dx == +1 ? MINI_TILEX : 0),
1598              SY + (dy == +1 ? MINI_TILEY : 0));
1599   if (dx)
1600   {
1601     x = (dx == 1 ? 0 : ed_fieldx - 1);
1602     for(y=0; y<ed_fieldy; y++)
1603       DrawMiniElementOrWall(x, y, from_x, from_y);
1604   }
1605   else if (dy)
1606   {
1607     y = (dy == 1 ? 0 : ed_fieldy - 1);
1608     for(x=0; x<ed_fieldx; x++)
1609       DrawMiniElementOrWall(x, y, from_x, from_y);
1610   }
1611
1612   redraw_mask |= REDRAW_FIELD;
1613   BackToFront();
1614 }
1615
1616 static void CreateControlButtons()
1617 {
1618   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
1619   struct GadgetInfo *gi;
1620   unsigned long event_mask;
1621   int i;
1622
1623   /* create toolbox buttons */
1624   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
1625   {
1626     int id = i;
1627     int width, height;
1628     int gd_xoffset, gd_yoffset;
1629     int gd_x1, gd_x2, gd_y1, gd_y2;
1630     int button_type;
1631     int radio_button_nr;
1632     boolean checked;
1633
1634     if (id == GADGET_ID_SINGLE_ITEMS ||
1635         id == GADGET_ID_CONNECTED_ITEMS ||
1636         id == GADGET_ID_LINE ||
1637         id == GADGET_ID_ARC ||
1638         id == GADGET_ID_TEXT ||
1639         id == GADGET_ID_RECTANGLE ||
1640         id == GADGET_ID_FILLED_BOX ||
1641         id == GADGET_ID_FLOOD_FILL ||
1642         id == GADGET_ID_GRAB_BRUSH ||
1643         id == GADGET_ID_PICK_ELEMENT)
1644     {
1645       button_type = GD_TYPE_RADIO_BUTTON;
1646       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
1647       checked = (id == drawing_function ? TRUE : FALSE);
1648       event_mask = GD_EVENT_PRESSED;
1649     }
1650     else
1651     {
1652       button_type = GD_TYPE_NORMAL_BUTTON;
1653       radio_button_nr = RADIO_NR_NONE;
1654       checked = FALSE;
1655
1656       if (id == GADGET_ID_WRAP_LEFT ||
1657           id == GADGET_ID_WRAP_RIGHT ||
1658           id == GADGET_ID_WRAP_UP ||
1659           id == GADGET_ID_WRAP_DOWN)
1660         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1661       else
1662         event_mask = GD_EVENT_RELEASED;
1663     }
1664
1665     if (id < ED_NUM_CTRL1_BUTTONS)
1666     {
1667       int x = i % ED_CTRL1_BUTTONS_HORIZ;
1668       int y = i / ED_CTRL1_BUTTONS_HORIZ;
1669
1670       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
1671       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
1672       width = ED_CTRL1_BUTTON_XSIZE;
1673       height = ED_CTRL1_BUTTON_YSIZE;
1674     }
1675     else
1676     {
1677       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
1678       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
1679
1680       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
1681       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
1682       width = ED_CTRL2_BUTTON_XSIZE;
1683       height = ED_CTRL2_BUTTON_YSIZE;
1684     }
1685
1686     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
1687     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
1688     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
1689     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
1690
1691     gi = CreateGadget(GDI_CUSTOM_ID, id,
1692                       GDI_CUSTOM_TYPE_ID, i,
1693                       GDI_INFO_TEXT, control_info[i].text,
1694                       GDI_X, EX + gd_xoffset,
1695                       GDI_Y, EY + gd_yoffset,
1696                       GDI_WIDTH, width,
1697                       GDI_HEIGHT, height,
1698                       GDI_TYPE, button_type,
1699                       GDI_STATE, GD_BUTTON_UNPRESSED,
1700                       GDI_RADIO_NR, radio_button_nr,
1701                       GDI_CHECKED, checked,
1702                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
1703                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
1704                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
1705                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
1706                       GDI_EVENT_MASK, event_mask,
1707                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1708                       GDI_CALLBACK_ACTION, HandleControlButtons,
1709                       GDI_END);
1710
1711     if (gi == NULL)
1712       Error(ERR_EXIT, "cannot create gadget");
1713
1714     level_editor_gadget[id] = gi;
1715   }
1716
1717   /* create buttons for scrolling of drawing area and element list */
1718   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
1719   {
1720     int id = scrollbutton_info[i].gadget_id;
1721     int x, y, width, height;
1722     int gd_x1, gd_x2, gd_y1, gd_y2;
1723
1724     x = scrollbutton_info[i].x;
1725     y = scrollbutton_info[i].y;
1726
1727     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1728
1729     if (id == GADGET_ID_SCROLL_LIST_UP ||
1730         id == GADGET_ID_SCROLL_LIST_DOWN)
1731     {
1732       x += DX;
1733       y += DY;
1734       width = ED_SCROLLBUTTON2_XSIZE;
1735       height = ED_SCROLLBUTTON2_YSIZE;
1736       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
1737       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
1738       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
1739       gd_y2 = gd_y1;
1740     }
1741     else
1742     {
1743       x += SX;
1744       y += SY;
1745       width = ED_SCROLLBUTTON_XSIZE;
1746       height = ED_SCROLLBUTTON_YSIZE;
1747       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
1748       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
1749       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
1750       gd_y2 = gd_y1;
1751     }
1752
1753     gi = CreateGadget(GDI_CUSTOM_ID, id,
1754                       GDI_CUSTOM_TYPE_ID, i,
1755                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
1756                       GDI_X, x,
1757                       GDI_Y, y,
1758                       GDI_WIDTH, width,
1759                       GDI_HEIGHT, height,
1760                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1761                       GDI_STATE, GD_BUTTON_UNPRESSED,
1762                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
1763                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
1764                       GDI_EVENT_MASK, event_mask,
1765                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1766                       GDI_CALLBACK_ACTION, HandleControlButtons,
1767                       GDI_END);
1768
1769     if (gi == NULL)
1770       Error(ERR_EXIT, "cannot create gadget");
1771
1772     level_editor_gadget[id] = gi;
1773   }
1774
1775   /* create buttons for element list */
1776   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
1777   {
1778     Bitmap *deco_bitmap;
1779     int deco_x, deco_y, deco_xpos, deco_ypos;
1780     int gd_xoffset, gd_yoffset;
1781     int gd_x1, gd_x2, gd_y;
1782     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
1783     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
1784     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
1785     int element = editor_elements[i];
1786
1787     event_mask = GD_EVENT_RELEASED;
1788
1789     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
1790     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
1791
1792     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
1793     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
1794     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
1795
1796     getMiniGraphicSource(el2img(element), &deco_bitmap, &deco_x, &deco_y);
1797     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
1798     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
1799
1800     gi = CreateGadget(GDI_CUSTOM_ID, id,
1801                       GDI_CUSTOM_TYPE_ID, i,
1802                       GDI_INFO_TEXT, getElementInfoText(element),
1803                       GDI_X, DX + gd_xoffset,
1804                       GDI_Y, DY + gd_yoffset,
1805                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
1806                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
1807                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1808                       GDI_STATE, GD_BUTTON_UNPRESSED,
1809                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
1810                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
1811                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
1812                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
1813                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
1814                       GDI_DECORATION_SHIFTING, 1, 1,
1815                       GDI_EVENT_MASK, event_mask,
1816                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1817                       GDI_CALLBACK_ACTION, HandleControlButtons,
1818                       GDI_END);
1819
1820     if (gi == NULL)
1821       Error(ERR_EXIT, "cannot create gadget");
1822
1823     level_editor_gadget[id] = gi;
1824   }
1825 }
1826
1827 static void CreateCounterButtons()
1828 {
1829   int i;
1830
1831   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
1832   {
1833     int j;
1834     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
1835     int ypos = SY + counterbutton_info[i].y;
1836
1837     for (j=0; j<2; j++)
1838     {
1839       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
1840       struct GadgetInfo *gi;
1841       int id = (j == 0 ?
1842                 counterbutton_info[i].gadget_id_down :
1843                 counterbutton_info[i].gadget_id_up);
1844       int gd_xoffset;
1845       int gd_x, gd_x1, gd_x2, gd_y;
1846       int x_size, y_size;
1847       unsigned long event_mask;
1848       char infotext[MAX_INFOTEXT_LEN + 1];
1849
1850       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1851
1852       if (i == ED_COUNTER_ID_SELECT_LEVEL)
1853       {
1854         int sid = (j == 0 ?
1855                    ED_SCROLLBUTTON_ID_AREA_LEFT :
1856                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
1857
1858         event_mask |= GD_EVENT_RELEASED;
1859
1860         if (j == 1)
1861           xpos += 2 * ED_GADGET_DISTANCE;
1862         ypos += ED_GADGET_DISTANCE;
1863
1864         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].xpos;
1865         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
1866         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].ypos;
1867         x_size = ED_SCROLLBUTTON_XSIZE;
1868         y_size = ED_SCROLLBUTTON_YSIZE;
1869       }
1870       else
1871       {
1872         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
1873         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
1874         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
1875         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
1876         x_size = ED_BUTTON_COUNT_XSIZE;
1877         y_size = ED_BUTTON_COUNT_YSIZE;
1878       }
1879
1880       sprintf(infotext, "%s counter value by 1, 5 or 10",
1881               (j == 0 ? "decrease" : "increase"));
1882
1883       gi = CreateGadget(GDI_CUSTOM_ID, id,
1884                         GDI_CUSTOM_TYPE_ID, i,
1885                         GDI_INFO_TEXT, infotext,
1886                         GDI_X, xpos,
1887                         GDI_Y, ypos,
1888                         GDI_WIDTH, x_size,
1889                         GDI_HEIGHT, y_size,
1890                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1891                         GDI_STATE, GD_BUTTON_UNPRESSED,
1892                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
1893                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
1894                         GDI_EVENT_MASK, event_mask,
1895                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1896                         GDI_CALLBACK_ACTION, HandleCounterButtons,
1897                         GDI_END);
1898
1899       if (gi == NULL)
1900         Error(ERR_EXIT, "cannot create gadget");
1901
1902       level_editor_gadget[id] = gi;
1903       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
1904
1905       if (j == 0)
1906       {
1907         int font_type = FC_YELLOW;
1908         int gd_width = ED_WIN_COUNT_XSIZE;
1909
1910         id = counterbutton_info[i].gadget_id_text;
1911         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
1912
1913         if (i == ED_COUNTER_ID_SELECT_LEVEL)
1914         {
1915           font_type = FC_SPECIAL3;
1916
1917           xpos += 2 * ED_GADGET_DISTANCE;
1918           ypos -= ED_GADGET_DISTANCE;
1919
1920           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
1921           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
1922           gd_width = ED_WIN_COUNT2_XSIZE;
1923         }
1924         else
1925         {
1926           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
1927           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
1928         }
1929
1930         gi = CreateGadget(GDI_CUSTOM_ID, id,
1931                           GDI_CUSTOM_TYPE_ID, i,
1932                           GDI_INFO_TEXT, "enter counter value",
1933                           GDI_X, xpos,
1934                           GDI_Y, ypos,
1935                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
1936                           GDI_NUMBER_VALUE, 0,
1937                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
1938                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
1939                           GDI_TEXT_SIZE, 3,
1940                           GDI_TEXT_FONT, font_type,
1941                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
1942                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
1943                           GDI_BORDER_SIZE, ED_BORDER_SIZE,
1944                           GDI_TEXTINPUT_DESIGN_WIDTH, gd_width,
1945                           GDI_EVENT_MASK, event_mask,
1946                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1947                           GDI_CALLBACK_ACTION, HandleCounterButtons,
1948                           GDI_END);
1949
1950         if (gi == NULL)
1951           Error(ERR_EXIT, "cannot create gadget");
1952
1953         level_editor_gadget[id] = gi;
1954         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
1955       }
1956     }
1957   }
1958 }
1959
1960 static void CreateDrawingAreas()
1961 {
1962   struct GadgetInfo *gi;
1963   unsigned long event_mask;
1964   int id;
1965   int i;
1966
1967   event_mask =
1968     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
1969     GD_EVENT_OFF_BORDERS;
1970
1971   /* one for the level drawing area ... */
1972   id = GADGET_ID_DRAWING_LEVEL;
1973   gi = CreateGadget(GDI_CUSTOM_ID, id,
1974                     GDI_X, SX,
1975                     GDI_Y, SY,
1976                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
1977                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
1978                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
1979                     GDI_EVENT_MASK, event_mask,
1980                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
1981                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
1982                     GDI_END);
1983
1984   if (gi == NULL)
1985     Error(ERR_EXIT, "cannot create gadget");
1986
1987   level_editor_gadget[id] = gi;
1988
1989   /* ... up to eight areas for element content ... */
1990   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
1991   {
1992     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
1993     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
1994
1995     id = GADGET_ID_ELEM_CONTENT_0 + i;
1996     gi = CreateGadget(GDI_CUSTOM_ID, id,
1997                       GDI_CUSTOM_TYPE_ID, i,
1998                       GDI_X, gx,
1999                       GDI_Y, gy,
2000                       GDI_WIDTH, 3 * MINI_TILEX,
2001                       GDI_HEIGHT, 3 * MINI_TILEY,
2002                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2003                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2004                       GDI_EVENT_MASK, event_mask,
2005                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2006                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2007                       GDI_END);
2008
2009     if (gi == NULL)
2010       Error(ERR_EXIT, "cannot create gadget");
2011
2012     level_editor_gadget[id] = gi;
2013   }
2014
2015   /* ... one for the amoeba content */
2016   id = GADGET_ID_AMOEBA_CONTENT;
2017   gi = CreateGadget(GDI_CUSTOM_ID, id,
2018                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2019                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2020                     GDI_WIDTH, MINI_TILEX,
2021                     GDI_HEIGHT, MINI_TILEY,
2022                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2023                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2024                     GDI_EVENT_MASK, event_mask,
2025                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2026                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2027                     GDI_END);
2028
2029   if (gi == NULL)
2030     Error(ERR_EXIT, "cannot create gadget");
2031
2032   level_editor_gadget[id] = gi;
2033
2034   /* ... and one for random placement background restrictions */
2035
2036   id = GADGET_ID_RANDOM_BACKGROUND;
2037   gi = CreateGadget(GDI_CUSTOM_ID, id,
2038                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2039                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2040                     GDI_WIDTH, MINI_TILEX,
2041                     GDI_HEIGHT, MINI_TILEY,
2042                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2043                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2044                     GDI_EVENT_MASK, event_mask,
2045                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2046                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2047                     GDI_END);
2048
2049   if (gi == NULL)
2050     Error(ERR_EXIT, "cannot create gadget");
2051
2052   level_editor_gadget[id] = gi;
2053 }
2054
2055 static void CreateTextInputGadgets()
2056 {
2057   int i;
2058
2059   for (i=0; i<ED_NUM_TEXTINPUT; i++)
2060   {
2061     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2062     int gd_x, gd_y;
2063     struct GadgetInfo *gi;
2064     unsigned long event_mask;
2065     char infotext[1024];
2066     int id = textinput_info[i].gadget_id;
2067
2068     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2069
2070     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2071     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2072
2073     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
2074     infotext[MAX_INFOTEXT_LEN] = '\0';
2075
2076     gi = CreateGadget(GDI_CUSTOM_ID, id,
2077                       GDI_CUSTOM_TYPE_ID, i,
2078                       GDI_INFO_TEXT, infotext,
2079                       GDI_X, SX + textinput_info[i].x,
2080                       GDI_Y, SY + textinput_info[i].y,
2081                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
2082                       GDI_TEXT_VALUE, textinput_info[i].value,
2083                       GDI_TEXT_SIZE, textinput_info[i].size,
2084                       GDI_TEXT_FONT, FC_YELLOW,
2085                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2086                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2087                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
2088                       GDI_TEXTINPUT_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2089                       GDI_EVENT_MASK, event_mask,
2090                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2091                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
2092                       GDI_END);
2093
2094     if (gi == NULL)
2095       Error(ERR_EXIT, "cannot create gadget");
2096
2097     level_editor_gadget[id] = gi;
2098   }
2099 }
2100
2101 static void CreateScrollbarGadgets()
2102 {
2103   int i;
2104
2105   for (i=0; i<ED_NUM_SCROLLBARS; i++)
2106   {
2107     int id = scrollbar_info[i].gadget_id;
2108     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2109     int gd_x1, gd_x2, gd_y1, gd_y2;
2110     struct GadgetInfo *gi;
2111     int items_max, items_visible, item_position;
2112     unsigned long event_mask;
2113
2114     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
2115     {
2116       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
2117       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
2118       item_position = 0;
2119     }
2120     else        /* drawing area scrollbars */
2121     {
2122       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
2123       {
2124         items_max = MAX(lev_fieldx + 2, ed_fieldx);
2125         items_visible = ed_fieldx;
2126         item_position = 0;
2127       }
2128       else
2129       {
2130         items_max = MAX(lev_fieldy + 2, ed_fieldy);
2131         items_visible = ed_fieldy;
2132         item_position = 0;
2133       }
2134     }
2135
2136     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2137
2138     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].xpos;
2139     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
2140                       scrollbar_info[i].height : scrollbar_info[i].width));
2141     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2142     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2143
2144     gi = CreateGadget(GDI_CUSTOM_ID, id,
2145                       GDI_CUSTOM_TYPE_ID, i,
2146                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2147                       GDI_X, scrollbar_info[i].x,
2148                       GDI_Y, scrollbar_info[i].y,
2149                       GDI_WIDTH, scrollbar_info[i].width,
2150                       GDI_HEIGHT, scrollbar_info[i].height,
2151                       GDI_TYPE, scrollbar_info[i].type,
2152                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2153                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2154                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2155                       GDI_STATE, GD_BUTTON_UNPRESSED,
2156                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2157                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2158                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
2159                       GDI_EVENT_MASK, event_mask,
2160                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2161                       GDI_CALLBACK_ACTION, HandleControlButtons,
2162                       GDI_END);
2163
2164     if (gi == NULL)
2165       Error(ERR_EXIT, "cannot create gadget");
2166
2167     level_editor_gadget[id] = gi;
2168   }
2169 }
2170
2171 static void CreateCheckbuttonGadgets()
2172 {
2173   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2174   struct GadgetInfo *gi;
2175   unsigned long event_mask;
2176   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
2177   boolean checked;
2178   int i;
2179
2180   event_mask = GD_EVENT_PRESSED;
2181
2182   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2183   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2184   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
2185   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
2186   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
2187
2188   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
2189   {
2190     int id = radiobutton_info[i].gadget_id;
2191
2192     checked =
2193       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2194
2195     gi = CreateGadget(GDI_CUSTOM_ID, id,
2196                       GDI_CUSTOM_TYPE_ID, i,
2197                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
2198                       GDI_X, SX + radiobutton_info[i].x,
2199                       GDI_Y, SY + radiobutton_info[i].y,
2200                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2201                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2202                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
2203                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
2204                       GDI_CHECKED, checked,
2205                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2206                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2207                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2208                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2209                       GDI_EVENT_MASK, event_mask,
2210                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2211                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
2212                       GDI_END);
2213
2214     if (gi == NULL)
2215       Error(ERR_EXIT, "cannot create gadget");
2216
2217     level_editor_gadget[id] = gi;
2218   }
2219
2220   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
2221   {
2222     int id = checkbutton_info[i].gadget_id;
2223
2224     if (id == GADGET_ID_STICK_ELEMENT)
2225       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
2226     else
2227       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
2228
2229     gi = CreateGadget(GDI_CUSTOM_ID, id,
2230                       GDI_CUSTOM_TYPE_ID, i,
2231                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
2232                       GDI_X, SX + checkbutton_info[i].x,
2233                       GDI_Y, SY + checkbutton_info[i].y,
2234                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2235                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2236                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
2237                       GDI_CHECKED, *checkbutton_info[i].value,
2238                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2239                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2240                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2241                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2242                       GDI_EVENT_MASK, event_mask,
2243                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2244                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
2245                       GDI_END);
2246
2247     if (gi == NULL)
2248       Error(ERR_EXIT, "cannot create gadget");
2249
2250     level_editor_gadget[id] = gi;
2251   }
2252 }
2253
2254 void CreateLevelEditorGadgets()
2255 {
2256   ReinitializeElementList();
2257
2258   CreateControlButtons();
2259   CreateCounterButtons();
2260   CreateDrawingAreas();
2261   CreateTextInputGadgets();
2262   CreateScrollbarGadgets();
2263   CreateCheckbuttonGadgets();
2264 }
2265
2266 void FreeLevelEditorGadgets()
2267 {
2268   int i;
2269
2270   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2271     FreeGadget(level_editor_gadget[i]);
2272 }
2273
2274 static void MapCounterButtons(int id)
2275 {
2276   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
2277   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
2278   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
2279 }
2280
2281 static void MapControlButtons()
2282 {
2283   int counter_id;
2284   int i;
2285
2286   /* map toolbox buttons */
2287   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2288     MapGadget(level_editor_gadget[i]);
2289
2290   /* map buttons to select elements */
2291   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2292     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
2293   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
2294   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
2295   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
2296
2297   /* map buttons to select level */
2298   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
2299   ModifyEditorCounterLimits(counter_id,
2300                             leveldir_current->first_level,
2301                             leveldir_current->last_level);
2302   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2303   MapCounterButtons(counter_id);
2304 }
2305
2306 static void MapDrawingArea(int id)
2307 {
2308   MapGadget(level_editor_gadget[id]);
2309 }
2310
2311 static void MapTextInputGadget(int id)
2312 {
2313   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
2314 }
2315
2316 static void MapRadiobuttonGadget(int id)
2317 {
2318   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
2319 }
2320
2321 static void MapCheckbuttonGadget(int id)
2322 {
2323   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
2324 }
2325
2326 static void MapMainDrawingArea()
2327 {
2328   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
2329   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
2330   int i;
2331
2332   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
2333   {
2334     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
2335           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
2336          no_horizontal_scrollbar) ||
2337         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
2338           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
2339          no_vertical_scrollbar))
2340       continue;
2341
2342     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
2343   }
2344
2345   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
2346   {
2347     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
2348         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
2349       continue;
2350
2351     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
2352   }
2353
2354   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
2355 }
2356
2357 static void UnmapDrawingArea(int id)
2358 {
2359   UnmapGadget(level_editor_gadget[id]);
2360 }
2361
2362 void UnmapLevelEditorWindowGadgets()
2363 {
2364   int i;
2365
2366   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2367     if (level_editor_gadget[i]->x < SX + SXSIZE)
2368       UnmapGadget(level_editor_gadget[i]);
2369 }
2370
2371 void UnmapLevelEditorGadgets()
2372 {
2373   int i;
2374
2375   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2376     UnmapGadget(level_editor_gadget[i]);
2377 }
2378
2379 static void ResetUndoBuffer()
2380 {
2381   undo_buffer_position = -1;
2382   undo_buffer_steps = -1;
2383   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
2384 }
2385
2386 static void DrawEditModeWindow()
2387 {
2388   if (edit_mode == ED_MODE_INFO)
2389     DrawLevelInfoWindow();
2390   else if (edit_mode == ED_MODE_PROPERTIES)
2391     DrawPropertiesWindow();
2392   else  /* edit_mode == ED_MODE_DRAWING */
2393     DrawDrawingWindow();
2394 }
2395
2396 static boolean LevelChanged()
2397 {
2398   boolean level_changed = FALSE;
2399   int x, y;
2400
2401   for(y=0; y<lev_fieldy; y++)
2402     for(x=0; x<lev_fieldx; x++)
2403       if (Feld[x][y] != Ur[x][y])
2404         level_changed = TRUE;
2405
2406   return level_changed;
2407 }
2408
2409 static boolean LevelContainsPlayer()
2410 {
2411   boolean player_found = FALSE;
2412   int x, y;
2413
2414   for(y=0; y<lev_fieldy; y++)
2415     for(x=0; x<lev_fieldx; x++)
2416       if (Feld[x][y] == EL_PLAYER1 ||
2417           Feld[x][y] == EL_SP_MURPHY)
2418         player_found = TRUE;
2419
2420   return player_found;
2421 }
2422
2423 void DrawLevelEd()
2424 {
2425   CloseDoor(DOOR_CLOSE_ALL);
2426   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
2427
2428   if (level_editor_test_game)
2429   {
2430     int x, y;
2431
2432     for(x=0; x<lev_fieldx; x++)
2433       for(y=0; y<lev_fieldy; y++)
2434         Feld[x][y] = Ur[x][y];
2435
2436     for(x=0; x<lev_fieldx; x++)
2437       for(y=0; y<lev_fieldy; y++)
2438         Ur[x][y] = FieldBackup[x][y];
2439
2440     level_editor_test_game = FALSE;
2441   }
2442   else
2443   {
2444     edit_mode = ED_MODE_DRAWING;
2445
2446     ResetUndoBuffer();
2447     level_xpos = -1;
2448     level_ypos = -1;
2449   }
2450
2451   /* copy default editor door content to main double buffer */
2452   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
2453              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
2454
2455   /* draw mouse button brush elements */
2456   DrawMiniGraphicExt(drawto,
2457                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
2458                      el2img(new_element1));
2459   DrawMiniGraphicExt(drawto,
2460                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
2461                      el2img(new_element2));
2462   DrawMiniGraphicExt(drawto,
2463                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
2464                      el2img(new_element3));
2465
2466   /* draw bigger door */
2467   DrawSpecialEditorDoor();
2468
2469   /* draw new control window */
2470   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
2471              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
2472
2473   redraw_mask |= REDRAW_ALL;
2474
2475   ReinitializeElementListButtons();     /* only needed after setup changes */
2476
2477   UnmapTapeButtons();
2478   MapControlButtons();
2479
2480   /* copy actual editor door content to door double buffer for OpenDoor() */
2481   BlitBitmap(drawto, bitmap_db_door,
2482              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
2483
2484   DrawEditModeWindow();
2485
2486   /*
2487   FadeToFront();
2488   */
2489
2490
2491   OpenDoor(DOOR_OPEN_1);
2492
2493   /*
2494   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2);
2495   */
2496 }
2497
2498 static void AdjustDrawingAreaGadgets()
2499 {
2500   int ed_xsize = lev_fieldx + 2;
2501   int ed_ysize = lev_fieldy + 2;
2502   int max_ed_fieldx = MAX_ED_FIELDX;
2503   int max_ed_fieldy = MAX_ED_FIELDY;
2504   boolean horizontal_scrollbar_needed;
2505   boolean vertical_scrollbar_needed;
2506   int x, y, width, height;
2507   int xoffset, yoffset;
2508
2509   /* check if we need any scrollbars */
2510   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
2511   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
2512
2513   /* check if we have a smaller editor field because of scrollbars */
2514   if (horizontal_scrollbar_needed)
2515     max_ed_fieldy = MAX_ED_FIELDY - 1;
2516   if (vertical_scrollbar_needed)
2517     max_ed_fieldx = MAX_ED_FIELDX - 1;
2518
2519   /* check again if we now need more scrollbars because of less space */
2520   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
2521   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
2522
2523   /* check if editor field gets even smaller after adding new scrollbars */
2524   if (horizontal_scrollbar_needed)
2525     max_ed_fieldy = MAX_ED_FIELDY - 1;
2526   if (vertical_scrollbar_needed)
2527     max_ed_fieldx = MAX_ED_FIELDX - 1;
2528
2529   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
2530   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
2531
2532   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
2533                GDI_WIDTH, ed_fieldx * MINI_TILEX,
2534                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
2535                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2536                GDI_END);
2537
2538   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
2539   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
2540
2541   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
2542   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
2543
2544   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
2545   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
2546
2547   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
2548   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
2549
2550   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
2551                GDI_WIDTH, width,
2552                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
2553                GDI_END);
2554   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
2555                GDI_HEIGHT, height,
2556                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
2557                GDI_END);
2558 }
2559
2560 static void AdjustLevelScrollPosition()
2561 {
2562   if (level_xpos < -1)
2563     level_xpos = -1;
2564   if (level_xpos > lev_fieldx - ed_fieldx + 1)
2565     level_xpos = lev_fieldx - ed_fieldx + 1;
2566   if (lev_fieldx < ed_fieldx - 2)
2567     level_xpos = -1;
2568
2569   if (level_ypos < -1)
2570     level_ypos = -1;
2571   if (level_ypos > lev_fieldy - ed_fieldy + 1)
2572     level_ypos = lev_fieldy - ed_fieldy + 1;
2573   if (lev_fieldy < ed_fieldy - 2)
2574     level_ypos = -1;
2575 }
2576
2577 static void AdjustEditorScrollbar(int id)
2578 {
2579   struct GadgetInfo *gi = level_editor_gadget[id];
2580   int items_max, items_visible, item_position;
2581
2582   if (id == GADGET_ID_SCROLL_HORIZONTAL)
2583   {
2584     items_max = MAX(lev_fieldx + 2, ed_fieldx);
2585     items_visible = ed_fieldx;
2586     item_position = level_xpos + 1;
2587   }
2588   else
2589   {
2590     items_max = MAX(lev_fieldy + 2, ed_fieldy);
2591     items_visible = ed_fieldy;
2592     item_position = level_ypos + 1;
2593   }
2594
2595   if (item_position > items_max - items_visible)
2596     item_position = items_max - items_visible;
2597
2598   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
2599                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
2600 }
2601
2602 static void ModifyEditorTextInput(int textinput_id, char *new_text)
2603 {
2604   int gadget_id = textinput_info[textinput_id].gadget_id;
2605   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2606
2607   ModifyGadget(gi, GDI_TEXT_VALUE, new_text, GDI_END);
2608 }
2609
2610 static void ModifyEditorCounter(int counter_id, int new_value)
2611 {
2612   int *counter_value = counterbutton_info[counter_id].value;
2613   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
2614   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2615
2616   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
2617
2618   if (counter_value != NULL)
2619     *counter_value = gi->text.number_value;
2620 }
2621
2622 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
2623 {
2624   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
2625   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2626
2627   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
2628 }
2629
2630 static void PickDrawingElement(int button, int element)
2631 {
2632   if (button < 1 || button > 3)
2633     return;
2634
2635   if (button == 1)
2636   {
2637     new_element1 = element;
2638     DrawMiniGraphicExt(drawto,
2639                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
2640                        el2img(new_element1));
2641   }
2642   else if (button == 2)
2643   {
2644     new_element2 = element;
2645     DrawMiniGraphicExt(drawto,
2646                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
2647                        el2img(new_element2));
2648   }
2649   else
2650   {
2651     new_element3 = element;
2652     DrawMiniGraphicExt(drawto,
2653                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
2654                        el2img(new_element3));
2655   }
2656
2657   redraw_mask |= REDRAW_DOOR_1;
2658 }
2659
2660 static void DrawDrawingWindow()
2661 {
2662   SetMainBackgroundImage(IMG_UNDEFINED);
2663   ClearWindow();
2664   UnmapLevelEditorWindowGadgets();
2665
2666   AdjustDrawingAreaGadgets();
2667   AdjustLevelScrollPosition();
2668   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
2669   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
2670
2671   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
2672   MapMainDrawingArea();
2673 }
2674
2675 static void DrawElementBorder(int dest_x, int dest_y, int width, int height)
2676 {
2677   int border_graphic = IMG_SAND;
2678   Bitmap *src_bitmap;
2679   int src_x, src_y;
2680   int num_mini_tilex = width / MINI_TILEX + 1;
2681   int num_mini_tiley = width / MINI_TILEY + 1;
2682   int x, y;
2683
2684   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
2685
2686   for (y=0; y < num_mini_tiley; y++)
2687     for (x=0; x < num_mini_tilex; x++)
2688       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
2689                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
2690                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
2691
2692   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
2693 }
2694
2695 static void DrawRandomPlacementBackgroundArea()
2696 {
2697   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
2698   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
2699   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
2700   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
2701
2702   ElementContent[0][0][0] = random_placement_background_element;
2703
2704   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
2705   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
2706
2707   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
2708 }
2709
2710 static void DrawLevelInfoWindow()
2711 {
2712   char infotext[1024];
2713   int xoffset_above = 0;
2714   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
2715   int xoffset_right = counter_xsize;
2716   int yoffset_right = ED_BORDER_SIZE;
2717   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
2718   int yoffset_right2 = ED_BORDER_SIZE;
2719   int font_color = FC_GREEN;
2720   int i, x, y;
2721
2722   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR_SETTINGS_LEVEL);
2723   ClearWindow();
2724   UnmapLevelEditorWindowGadgets();
2725
2726   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
2727            "Level Settings", FS_BIG, FC_YELLOW);
2728   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
2729            "Editor Settings", FS_BIG, FC_YELLOW);
2730
2731   /* draw counter gadgets */
2732   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
2733   {
2734     if (counterbutton_info[i].infotext_above)
2735     {
2736       x = counterbutton_info[i].x + xoffset_above;
2737       y = counterbutton_info[i].y + yoffset_above;
2738
2739       sprintf(infotext, "%s:", counterbutton_info[i].infotext_above);
2740       infotext[MAX_INFOTEXT_LEN] = '\0';
2741       DrawTextF(x, y, font_color, infotext);
2742     }
2743
2744     if (counterbutton_info[i].infotext_right)
2745     {
2746       x = counterbutton_info[i].x + xoffset_right;
2747       y = counterbutton_info[i].y + yoffset_right;
2748
2749       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
2750       infotext[MAX_INFOTEXT_LEN] = '\0';
2751       DrawTextF(x, y, font_color, infotext);
2752     }
2753
2754     ModifyEditorCounter(i, *counterbutton_info[i].value);
2755     MapCounterButtons(i);
2756   }
2757
2758   /* draw text input gadgets */
2759   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
2760   {
2761     x = textinput_info[i].x + xoffset_above;
2762     y = textinput_info[i].y + yoffset_above;
2763
2764     sprintf(infotext, "%s:", textinput_info[i].infotext);
2765     infotext[MAX_INFOTEXT_LEN] = '\0';
2766
2767     DrawTextF(x, y, font_color, infotext);
2768     ModifyEditorTextInput(i, textinput_info[i].value);
2769     MapTextInputGadget(i);
2770   }
2771
2772   /* draw radiobutton gadgets */
2773   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
2774   {
2775     boolean checked =
2776       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2777
2778     x = radiobutton_info[i].x + xoffset_right2;
2779     y = radiobutton_info[i].y + yoffset_right2;
2780
2781     DrawTextF(x, y, font_color, radiobutton_info[i].text);
2782     ModifyGadget(level_editor_gadget[radiobutton_info[i].gadget_id],
2783                  GDI_CHECKED, checked, GDI_END);
2784     MapRadiobuttonGadget(i);
2785   }
2786
2787   /* draw checkbutton gadgets */
2788   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
2789   {
2790     x = checkbutton_info[i].x + xoffset_right2;
2791     y = checkbutton_info[i].y + yoffset_right2;
2792
2793     DrawTextF(x, y, font_color, checkbutton_info[i].text);
2794     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
2795                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
2796     MapCheckbuttonGadget(i);
2797   }
2798
2799   /* draw drawing area */
2800   DrawRandomPlacementBackgroundArea();
2801 }
2802
2803 static void DrawAmoebaContentArea()
2804 {
2805   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
2806   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
2807   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
2808   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
2809   int font_color = FC_GREEN;
2810
2811   ElementContent[0][0][0] = level.amoeba_content;
2812
2813   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
2814   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
2815
2816   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba",
2817            FS_SMALL, font_color);
2818
2819   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
2820 }
2821
2822 static void DrawElementContentAreas()
2823 {
2824   int counter_id = ED_COUNTER_ID_ELEM_CONTENT;
2825   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
2826   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
2827   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
2828   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
2829   int xoffset_right = counter_xsize;
2830   int yoffset_right = ED_BORDER_SIZE;
2831   int font_color = FC_GREEN;
2832   int i, x, y;
2833
2834   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2835     for (y=0; y<3; y++)
2836       for (x=0; x<3; x++)
2837         ElementContent[i][x][y] = level.yam_content[i][x][y];
2838
2839   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2840     UnmapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
2841
2842   /* display counter to choose number of element content areas */
2843   x = counterbutton_info[counter_id].x + xoffset_right;
2844   y = counterbutton_info[counter_id].y + yoffset_right;
2845   DrawTextF(x, y, font_color, "number of content areas");
2846
2847   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2848   MapCounterButtons(counter_id);
2849
2850   /* delete content areas in case of reducing number of them */
2851   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
2852
2853   for (i=0; i<level.num_yam_contents; i++)
2854     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
2855                       area_sy + 6 * (i / 4) * MINI_TILEY,
2856                       3 * MINI_TILEX, 3 * MINI_TILEY);
2857
2858   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
2859            "Content", FS_SMALL, font_color);
2860   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
2861            "when", FS_SMALL, font_color);
2862   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
2863            "smashed", FS_SMALL, font_color);
2864
2865   for (i=0; i<level.num_yam_contents; i++)
2866   {
2867     for (y=0; y<3; y++)
2868       for (x=0; x<3; x++)
2869         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
2870                         ElementContent[i][x][y]);
2871
2872     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
2873               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
2874               font_color, "%d", i + 1);
2875   }
2876
2877   for (i=0; i<level.num_yam_contents; i++)
2878     MapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
2879 }
2880
2881 #define TEXT_COLLECTING         "Score for collecting"
2882 #define TEXT_SMASHING           "Score for smashing"
2883 #define TEXT_CRACKING           "Score for cracking"
2884 #define TEXT_SPEED              "Speed of amoeba growth"
2885 #define TEXT_DURATION           "Duration when activated"
2886
2887 static void DrawPropertiesWindow()
2888 {
2889   int counter_id = ED_COUNTER_ID_ELEM_SCORE;
2890   int num_elements_in_level;
2891   float percentage;
2892   int xoffset_right = counter_xsize;
2893   int yoffset_right = ED_BORDER_SIZE;
2894   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
2895   int yoffset_right2 = ED_BORDER_SIZE;
2896   int xstart = 2;
2897   int ystart = 4;
2898   int font_color = FC_GREEN;
2899   int i, x, y;
2900   static struct
2901   {
2902     int element;
2903     int *value;
2904     char *text;
2905   } elements_with_counter[] =
2906   {
2907     { EL_EMERALD,       &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2908     { EL_BD_DIAMOND,    &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2909     { EL_EMERALD_YELLOW,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2910     { EL_EMERALD_RED,   &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2911     { EL_EMERALD_PURPLE,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2912     { EL_DIAMOND,       &level.score[SC_DIAMANT],       TEXT_COLLECTING },
2913     { EL_BUG_RIGHT,     &level.score[SC_KAEFER],        TEXT_SMASHING },
2914     { EL_BUG_UP,        &level.score[SC_KAEFER],        TEXT_SMASHING },
2915     { EL_BUG_LEFT,      &level.score[SC_KAEFER],        TEXT_SMASHING },
2916     { EL_BUG_DOWN,      &level.score[SC_KAEFER],        TEXT_SMASHING },
2917     { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_KAEFER],    TEXT_SMASHING },
2918     { EL_BD_BUTTERFLY_UP,   &level.score[SC_KAEFER],    TEXT_SMASHING },
2919     { EL_BD_BUTTERFLY_LEFT, &level.score[SC_KAEFER],    TEXT_SMASHING },
2920     { EL_BD_BUTTERFLY_DOWN, &level.score[SC_KAEFER],    TEXT_SMASHING },
2921     { EL_SPACESHIP_RIGHT,&level.score[SC_FLIEGER],      TEXT_SMASHING },
2922     { EL_SPACESHIP_UP,   &level.score[SC_FLIEGER],      TEXT_SMASHING },
2923     { EL_SPACESHIP_LEFT, &level.score[SC_FLIEGER],      TEXT_SMASHING },
2924     { EL_SPACESHIP_DOWN, &level.score[SC_FLIEGER],      TEXT_SMASHING },
2925     { EL_BD_FIREFLY_RIGHT,&level.score[SC_FLIEGER],     TEXT_SMASHING },
2926     { EL_BD_FIREFLY_UP,   &level.score[SC_FLIEGER],     TEXT_SMASHING },
2927     { EL_BD_FIREFLY_LEFT, &level.score[SC_FLIEGER],     TEXT_SMASHING },
2928     { EL_BD_FIREFLY_DOWN, &level.score[SC_FLIEGER],     TEXT_SMASHING },
2929     { EL_YAMYAM,        &level.score[SC_MAMPFER],       TEXT_SMASHING },
2930     { EL_DARK_YAMYAM,   &level.score[SC_MAMPFER],       TEXT_SMASHING },
2931     { EL_ROBOT,         &level.score[SC_ROBOT],         TEXT_SMASHING },
2932     { EL_PACMAN_RIGHT,  &level.score[SC_PACMAN],        TEXT_SMASHING },
2933     { EL_PACMAN_UP,     &level.score[SC_PACMAN],        TEXT_SMASHING },
2934     { EL_PACMAN_LEFT,   &level.score[SC_PACMAN],        TEXT_SMASHING },
2935     { EL_PACMAN_DOWN,   &level.score[SC_PACMAN],        TEXT_SMASHING },
2936     { EL_NUT,           &level.score[SC_KOKOSNUSS],     TEXT_CRACKING },
2937     { EL_DYNAMITE       ,&level.score[SC_DYNAMIT],      TEXT_COLLECTING },
2938     { EL_KEY1,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2939     { EL_KEY2,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2940     { EL_KEY3,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2941     { EL_KEY4,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2942     { EL_EM_KEY1_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2943     { EL_EM_KEY2_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2944     { EL_EM_KEY3_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2945     { EL_EM_KEY4_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2946     { EL_AMOEBA_WET,    &level.amoeba_speed,            TEXT_SPEED },
2947     { EL_AMOEBA_DRY,    &level.amoeba_speed,            TEXT_SPEED },
2948     { EL_AMOEBA_FULL,   &level.amoeba_speed,            TEXT_SPEED },
2949     { EL_BD_AMOEBA,     &level.amoeba_speed,            TEXT_SPEED },
2950     { EL_MAGIC_WALL,    &level.time_magic_wall,         TEXT_DURATION },
2951     { EL_ROBOT_WHEEL,   &level.time_wheel,              TEXT_DURATION },
2952     { -1, NULL, NULL }
2953   };
2954
2955   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR_SETTINGS_ELEMENT);
2956   ClearWindow();
2957   UnmapLevelEditorWindowGadgets();
2958
2959   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
2960            "Element Settings", FS_BIG, FC_YELLOW);
2961
2962   DrawElementBorder(SX + xstart * MINI_TILEX,
2963                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
2964                     TILEX, TILEY);
2965   DrawGraphicAnimationExt(drawto,
2966                           SX + xstart * MINI_TILEX,
2967                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
2968                           el2img(properties_element), -1, NO_MASKING);
2969
2970   FrameCounter = 0;     /* restart animation frame counter */
2971
2972   DrawTextF((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
2973             font_color, getElementInfoText(properties_element));
2974
2975   num_elements_in_level = 0;
2976   for (y=0; y<lev_fieldy; y++)
2977     for (x=0; x<lev_fieldx; x++)
2978       if (Feld[x][y] == properties_element)
2979         num_elements_in_level++;
2980   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
2981
2982   DrawTextF(ED_SETTINGS_XPOS, 5 * TILEY, font_color, "In this level:");
2983   DrawTextF(ED_SETTINGS_XPOS + 15 * FONT2_XSIZE, 5 * TILEY, FC_YELLOW,
2984             "%d (%.2f%%)", num_elements_in_level, percentage);
2985
2986   /* check if there are elements where a score can be chosen for */
2987   for (i=0; elements_with_counter[i].element != -1; i++)
2988   {
2989     if (elements_with_counter[i].element == properties_element)
2990     {
2991       int x = counterbutton_info[counter_id].x + xoffset_right;
2992       int y = counterbutton_info[counter_id].y + yoffset_right;
2993
2994       counterbutton_info[counter_id].value = elements_with_counter[i].value;
2995       DrawTextF(x, y, font_color, elements_with_counter[i].text);
2996
2997       ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
2998       MapCounterButtons(counter_id);
2999       break;
3000     }
3001   }
3002
3003   if (HAS_CONTENT(properties_element))
3004   {
3005     /* draw stickybutton gadget */
3006     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
3007     x = checkbutton_info[i].x + xoffset_right2;
3008     y = checkbutton_info[i].y + yoffset_right2;
3009
3010     DrawTextF(x, y, font_color, checkbutton_info[i].text);
3011     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3012                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3013     MapCheckbuttonGadget(i);
3014
3015     if (IS_AMOEBOID(properties_element))
3016       DrawAmoebaContentArea();
3017     else
3018       DrawElementContentAreas();
3019   }
3020
3021   if (IS_GEM(properties_element))
3022   {
3023     /* draw checkbutton gadget */
3024     i = ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS;
3025     x = checkbutton_info[i].x + xoffset_right2;
3026     y = checkbutton_info[i].y + yoffset_right2;
3027
3028     DrawTextF(x, y, font_color, checkbutton_info[i].text);
3029     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3030                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3031     MapCheckbuttonGadget(i);
3032   }
3033 }
3034
3035 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
3036 {
3037   int lx = sx + level_xpos;
3038   int ly = sy + level_ypos;
3039
3040   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
3041
3042   if (change_level)
3043     Feld[lx][ly] = element;
3044 }
3045
3046 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
3047                      int element, boolean change_level)
3048 {
3049   if (from_y == to_y)                   /* horizontal line */
3050   {
3051     int x;
3052     int y = from_y;
3053
3054     if (from_x > to_x)
3055       swap_numbers(&from_x, &to_x);
3056
3057     for (x=from_x; x<=to_x; x++)
3058       DrawLineElement(x, y, element, change_level);
3059   }
3060   else if (from_x == to_x)              /* vertical line */
3061   {
3062     int x = from_x;
3063     int y;
3064
3065     if (from_y > to_y)
3066       swap_numbers(&from_y, &to_y);
3067
3068     for (y=from_y; y<=to_y; y++)
3069       DrawLineElement(x, y, element, change_level);
3070   }
3071   else                                  /* diagonal line */
3072   {
3073     int len_x = ABS(to_x - from_x);
3074     int len_y = ABS(to_y - from_y);
3075     int x, y;
3076
3077     if (len_y < len_x)                  /* a < 1 */
3078     {
3079       float a = (float)len_y / (float)len_x;
3080
3081       if (from_x > to_x)
3082         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3083
3084       for (x=0; x<=len_x; x++)
3085       {
3086         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
3087         DrawLineElement(from_x + x, from_y + y, element, change_level);
3088       }
3089     }
3090     else                                /* a >= 1 */
3091     {
3092       float a = (float)len_x / (float)len_y;
3093
3094       if (from_y > to_y)
3095         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3096
3097       for (y=0; y<=len_y; y++)
3098       {
3099         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
3100         DrawLineElement(from_x + x, from_y + y, element, change_level);
3101       }
3102     }
3103   }
3104 }
3105
3106 static void DrawRectangle(int from_x, int from_y, int to_x, int to_y,
3107                           int element, boolean change_level)
3108 {
3109   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
3110   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
3111   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
3112   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
3113 }
3114
3115 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
3116                           int element, boolean change_level)
3117 {
3118   int y;
3119
3120   if (from_y > to_y)
3121     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3122
3123   for (y=from_y; y<=to_y; y++)
3124     DrawLine(from_x, y, to_x, y, element, change_level);
3125 }
3126
3127 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
3128                        int element, boolean change_level)
3129 {
3130   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
3131   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
3132   int len_x = ABS(to_x - from_x);
3133   int len_y = ABS(to_y - from_y);
3134   int radius, x, y;
3135
3136   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
3137
3138   /* not optimal (some points get drawn twice) but simple,
3139      and fast enough for the few points we are drawing */
3140
3141   for (x=0; x<=radius; x++)
3142   {
3143     int sx, sy, lx, ly;
3144
3145     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
3146
3147     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
3148     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
3149     lx = sx + level_xpos;
3150     ly = sy + level_ypos;
3151
3152     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3153       DrawLineElement(sx, sy, element, change_level);
3154   }
3155
3156   for (y=0; y<=radius; y++)
3157   {
3158     int sx, sy, lx, ly;
3159
3160     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
3161
3162     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
3163     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
3164     lx = sx + level_xpos;
3165     ly = sy + level_ypos;
3166
3167     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3168       DrawLineElement(sx, sy, element, change_level);
3169   }
3170 }
3171
3172 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
3173                     int element, boolean change_level)
3174 {
3175   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
3176   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
3177
3178   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
3179 }
3180
3181 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
3182 #if DRAW_CIRCLES_BUTTON_AVAILABLE
3183 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
3184                        int element, boolean change_level)
3185 {
3186   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
3187   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
3188   int mirror_to_x2 = from_x - (to_x2 - from_x);
3189   int mirror_to_y2 = from_y - (to_y2 - from_y);
3190
3191   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
3192   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
3193   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
3194   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
3195 }
3196 #endif
3197
3198 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
3199 {
3200   int from_sx, from_sy;
3201   int to_sx, to_sy;
3202
3203   if (from_x > to_x)
3204     swap_numbers(&from_x, &to_x);
3205
3206   if (from_y > to_y)
3207     swap_numbers(&from_y, &to_y);
3208
3209   from_sx = SX + from_x * MINI_TILEX;
3210   from_sy = SY + from_y * MINI_TILEY;
3211   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
3212   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
3213
3214   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
3215   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
3216   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
3217   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
3218
3219   if (from_x == to_x && from_y == to_y)
3220     MarkTileDirty(from_x/2, from_y/2);
3221   else
3222     redraw_mask |= REDRAW_FIELD;
3223 }
3224
3225 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
3226                        int element, boolean change_level)
3227 {
3228   if (element == -1 || change_level)
3229     DrawRectangle(from_x, from_y, to_x, to_y, -1, FALSE);
3230   else
3231     DrawAreaBorder(from_x, from_y, to_x, to_y);
3232 }
3233
3234 /* values for CopyBrushExt() */
3235 #define CB_AREA_TO_BRUSH        0
3236 #define CB_BRUSH_TO_CURSOR      1
3237 #define CB_BRUSH_TO_LEVEL       2
3238 #define CB_DELETE_OLD_CURSOR    3
3239
3240 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
3241                          int button, int mode)
3242 {
3243   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
3244   static int brush_width, brush_height;
3245   static int last_cursor_x = -1, last_cursor_y = -1;
3246   static boolean delete_old_brush;
3247   int new_element = BUTTON_ELEMENT(button);
3248   int x, y;
3249
3250   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
3251     return;
3252
3253   if (mode == CB_AREA_TO_BRUSH)
3254   {
3255     int from_lx, from_ly;
3256
3257     if (from_x > to_x)
3258       swap_numbers(&from_x, &to_x);
3259
3260     if (from_y > to_y)
3261       swap_numbers(&from_y, &to_y);
3262
3263     brush_width = to_x - from_x + 1;
3264     brush_height = to_y - from_y + 1;
3265
3266     from_lx = from_x + level_xpos;
3267     from_ly = from_y + level_ypos;
3268
3269     for (y=0; y<brush_height; y++)
3270     {
3271       for (x=0; x<brush_width; x++)
3272       {
3273         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
3274
3275         if (button != 1)
3276           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
3277       }
3278     }
3279
3280     if (button != 1)
3281       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3282
3283     delete_old_brush = FALSE;
3284   }
3285   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
3286            mode == CB_BRUSH_TO_LEVEL)
3287   {
3288     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
3289     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
3290     int cursor_from_x = cursor_x - brush_width / 2;
3291     int cursor_from_y = cursor_y - brush_height / 2;
3292     int border_from_x = cursor_x, border_from_y = cursor_y;
3293     int border_to_x = cursor_x, border_to_y = cursor_y;
3294
3295     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
3296       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3297
3298     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
3299         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
3300     {
3301       delete_old_brush = FALSE;
3302       return;
3303     }
3304
3305     for (y=0; y<brush_height; y++)
3306     {
3307       for (x=0; x<brush_width; x++)
3308       {
3309         int sx = cursor_from_x + x;
3310         int sy = cursor_from_y + y;
3311         int lx = sx + level_xpos;
3312         int ly = sy + level_ypos;
3313         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
3314         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
3315                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
3316                        brush_buffer[x][y] : new_element);
3317
3318         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3319         {
3320           if (sx < border_from_x)
3321             border_from_x = sx;
3322           else if (sx > border_to_x)
3323             border_to_x = sx;
3324           if (sy < border_from_y)
3325             border_from_y = sy;
3326           else if (sy > border_to_y)
3327             border_to_y = sy;
3328
3329           DrawLineElement(sx, sy, element, change_level);
3330         }
3331       }
3332     }
3333
3334     if (mode != CB_DELETE_OLD_CURSOR)
3335       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
3336
3337     last_cursor_x = cursor_x;
3338     last_cursor_y = cursor_y;
3339     delete_old_brush = TRUE;
3340   }
3341 }
3342
3343 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
3344                             int button)
3345 {
3346   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
3347 }
3348
3349 static void CopyBrushToLevel(int x, int y, int button)
3350 {
3351   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
3352 }
3353
3354 static void CopyBrushToCursor(int x, int y)
3355 {
3356   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
3357 }
3358
3359 static void DeleteBrushFromCursor()
3360 {
3361   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3362 }
3363
3364 static void FloodFill(int from_x, int from_y, int fill_element)
3365 {
3366   int i,x,y;
3367   int old_element;
3368   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
3369   static int safety = 0;
3370
3371   /* check if starting field still has the desired content */
3372   if (Feld[from_x][from_y] == fill_element)
3373     return;
3374
3375   safety++;
3376
3377   if (safety > lev_fieldx*lev_fieldy)
3378     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
3379
3380   old_element = Feld[from_x][from_y];
3381   Feld[from_x][from_y] = fill_element;
3382
3383   for(i=0;i<4;i++)
3384   {
3385     x = from_x + check[i][0];
3386     y = from_y + check[i][1];
3387
3388     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
3389       FloodFill(x, y, fill_element);
3390   }
3391
3392   safety--;
3393 }
3394
3395 /* values for DrawLevelText() modes */
3396 #define TEXT_INIT               0
3397 #define TEXT_SETCURSOR          1
3398 #define TEXT_WRITECHAR          2
3399 #define TEXT_BACKSPACE          3
3400 #define TEXT_NEWLINE            4
3401 #define TEXT_END                5
3402 #define TEXT_QUERY_TYPING       6
3403
3404 static int DrawLevelText(int sx, int sy, char letter, int mode)
3405 {
3406   static short delete_buffer[MAX_LEV_FIELDX];
3407   static int start_sx, start_sy;
3408   static int last_sx, last_sy;
3409   static boolean typing = FALSE;
3410   int letter_element = EL_CHAR_ASCII0 + letter;
3411   int lx = 0, ly = 0;
3412
3413   /* map lower case letters to upper case and convert special characters */
3414   if (letter >= 'a' && letter <= 'z')
3415     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
3416   else if (letter == 'ä' || letter == 'Ä')
3417     letter_element = EL_CHAR_AE;
3418   else if (letter == 'ö' || letter == 'Ö')
3419     letter_element = EL_CHAR_OE;
3420   else if (letter == 'ü' || letter == 'Ü')
3421     letter_element = EL_CHAR_UE;
3422   else if (letter == '^')
3423     letter_element = EL_CHAR_COPYRIGHT;
3424   else
3425     letter_element = EL_CHAR_ASCII0 + letter;
3426
3427   if (mode != TEXT_INIT)
3428   {
3429     if (!typing)
3430       return FALSE;
3431
3432     if (mode != TEXT_SETCURSOR)
3433     {
3434       sx = last_sx;
3435       sy = last_sy;
3436     }
3437
3438     lx = last_sx + level_xpos;
3439     ly = last_sy + level_ypos;
3440   }
3441
3442   switch (mode)
3443   {
3444     case TEXT_INIT:
3445       if (typing)
3446         DrawLevelText(0, 0, 0, TEXT_END);
3447
3448       typing = TRUE;
3449       start_sx = last_sx = sx;
3450       start_sy = last_sy = sy;
3451       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
3452       break;
3453
3454     case TEXT_SETCURSOR:
3455       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
3456       DrawAreaBorder(sx, sy, sx, sy);
3457       last_sx = sx;
3458       last_sy = sy;
3459       break;
3460
3461     case TEXT_WRITECHAR:
3462       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
3463       {
3464         delete_buffer[sx - start_sx] = Feld[lx][ly];
3465         Feld[lx][ly] = letter_element;
3466
3467         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
3468           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
3469         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
3470           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3471         else
3472           DrawLevelText(0, 0, 0, TEXT_END);
3473       }
3474       break;
3475
3476     case TEXT_BACKSPACE:
3477       if (sx > start_sx)
3478       {
3479         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
3480         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
3481         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
3482       }
3483       break;
3484
3485     case TEXT_NEWLINE:
3486       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
3487         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3488       else
3489         DrawLevelText(0, 0, 0, TEXT_END);
3490       break;
3491
3492     case TEXT_END:
3493       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3494       DrawMiniElement(sx, sy, Feld[lx][ly]);
3495       typing = FALSE;
3496       break;
3497
3498     case TEXT_QUERY_TYPING:
3499       break;
3500
3501     default:
3502       break;
3503   }
3504
3505   return typing;
3506 }
3507
3508 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
3509                           int element, boolean change_level)
3510 {
3511   int lx = sx + level_xpos;
3512   int ly = sy + level_ypos;
3513
3514   if (element == -1)
3515     DrawMiniElement(sx, sy, Feld[lx][ly]);
3516   else
3517     DrawAreaBorder(sx, sy, sx, sy);
3518 }
3519
3520 static void CopyLevelToUndoBuffer(int mode)
3521 {
3522   static boolean accumulated_undo = FALSE;
3523   boolean new_undo_buffer_position = TRUE;
3524   int last_border_element;
3525   int x, y;
3526
3527   switch (mode)
3528   {
3529     case UNDO_IMMEDIATE:
3530       accumulated_undo = FALSE;
3531       break;
3532
3533     case UNDO_ACCUMULATE:
3534       if (accumulated_undo)
3535         new_undo_buffer_position = FALSE;
3536       accumulated_undo = TRUE;
3537       break;
3538
3539     default:
3540       break;
3541   }
3542
3543   if (new_undo_buffer_position)
3544   {
3545     /* new position in undo buffer ring */
3546     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
3547
3548     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
3549       undo_buffer_steps++;
3550   }
3551
3552   for(x=0; x<lev_fieldx; x++)
3553     for(y=0; y<lev_fieldy; y++)
3554       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
3555
3556   /* check if drawing operation forces change of border style */
3557   last_border_element = BorderElement;
3558   SetBorderElement();
3559   if (BorderElement != last_border_element)
3560     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3561
3562 #if 0
3563 #ifdef DEBUG
3564   printf("level saved to undo buffer\n");
3565 #endif
3566 #endif
3567 }
3568
3569 static void RandomPlacement(int new_element)
3570 {
3571   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3572   int num_free_positions;
3573   int num_percentage;
3574   int num_elements;
3575   int x, y;
3576
3577   /* determine number of free positions for the new elements */
3578   /* (maybe this statement should be formatted a bit more readable...) */
3579   num_free_positions = 0;
3580   for (x=0; x<lev_fieldx; x++)
3581     for (y=0; y<lev_fieldy; y++)
3582       if ((free_position[x][y] =
3583            ((random_placement_background_restricted &&
3584              Feld[x][y] == random_placement_background_element) ||
3585             (!random_placement_background_restricted &&
3586              Feld[x][y] != new_element))) == TRUE)
3587         num_free_positions++;
3588
3589   /* determine number of new elements to place there */
3590   num_percentage = num_free_positions * random_placement_value / 100;
3591   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
3592                   num_percentage : random_placement_value);
3593
3594   /* if not more free positions than elements to place, fill whole level */
3595   if (num_elements >= num_free_positions)
3596   {
3597     for (x=0; x<lev_fieldx; x++)
3598       for (y=0; y<lev_fieldy; y++)
3599         Feld[x][y] = new_element;
3600
3601     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3602     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3603     return;
3604   }
3605
3606   while (num_elements > 0)
3607   {
3608     x = RND(lev_fieldx);
3609     y = RND(lev_fieldy);
3610
3611     /* don't place element at the same position twice */
3612     if (free_position[x][y])
3613     {
3614       free_position[x][y] = FALSE;
3615       Feld[x][y] = new_element;
3616       num_elements--;
3617     }
3618   }
3619
3620   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3621   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3622 }
3623
3624 void WrapLevel(int dx, int dy)
3625 {
3626   int wrap_dx = lev_fieldx - dx;
3627   int wrap_dy = lev_fieldy - dy;
3628   int x, y;
3629
3630   for(x=0; x<lev_fieldx; x++)
3631     for(y=0; y<lev_fieldy; y++)
3632       FieldBackup[x][y] = Feld[x][y];
3633
3634   for(x=0; x<lev_fieldx; x++)
3635     for(y=0; y<lev_fieldy; y++)
3636       Feld[x][y] =
3637         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
3638
3639   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3640   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
3641 }
3642
3643 static void HandleDrawingAreas(struct GadgetInfo *gi)
3644 {
3645   static boolean started_inside_drawing_area = FALSE;
3646   int id = gi->custom_id;
3647   boolean button_press_event;
3648   boolean button_release_event;
3649   boolean inside_drawing_area = !gi->event.off_borders;
3650   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
3651   int actual_drawing_function;
3652   int button = gi->event.button;
3653   int new_element = BUTTON_ELEMENT(button);
3654   int sx = gi->event.x, sy = gi->event.y;
3655   int min_sx = 0, min_sy = 0;
3656   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
3657   int lx = 0, ly = 0;
3658   int min_lx = 0, min_ly = 0;
3659   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
3660   int x, y;
3661
3662   /* handle info callback for each invocation of action callback */
3663   gi->callback_info(gi);
3664
3665   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
3666   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
3667
3668   /* make sure to stay inside drawing area boundaries */
3669   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
3670   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
3671
3672   if (draw_level)
3673   {
3674     /* get positions inside level field */
3675     lx = sx + level_xpos;
3676     ly = sy + level_ypos;
3677
3678     if (!IN_LEV_FIELD(lx, ly))
3679       inside_drawing_area = FALSE;
3680
3681     /* make sure to stay inside level field boundaries */
3682     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
3683     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
3684
3685     /* correct drawing area positions accordingly */
3686     sx = lx - level_xpos;
3687     sy = ly - level_ypos;
3688   }
3689
3690   if (button_press_event)
3691     started_inside_drawing_area = inside_drawing_area;
3692
3693   if (!started_inside_drawing_area)
3694     return;
3695
3696   if (!button && !button_release_event)
3697     return;
3698
3699   /* automatically switch to 'single item' drawing mode, if needed */
3700   actual_drawing_function =
3701     (draw_level ? drawing_function : GADGET_ID_SINGLE_ITEMS);
3702
3703   switch (actual_drawing_function)
3704   {
3705     case GADGET_ID_SINGLE_ITEMS:
3706       if (draw_level)
3707       {
3708         if (button_release_event)
3709         {
3710           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3711
3712           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
3713               !inside_drawing_area)
3714             DeleteBrushFromCursor();
3715         }
3716
3717         if (!button)
3718           break;
3719
3720         if (draw_with_brush)
3721         {
3722           if (!button_release_event)
3723             CopyBrushToLevel(sx, sy, button);
3724         }
3725         else if (new_element != Feld[lx][ly])
3726         {
3727           if (new_element == EL_PLAYER1)
3728           {
3729             /* remove player at old position */
3730             for(y=0; y<lev_fieldy; y++)
3731             {
3732               for(x=0; x<lev_fieldx; x++)
3733               {
3734                 if (Feld[x][y] == EL_PLAYER1)
3735                 {
3736                   Feld[x][y] = EL_EMPTY;
3737                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
3738                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
3739                     DrawMiniElement(x - level_xpos, y - level_ypos,
3740                                     EL_EMPTY);
3741                 }
3742               }
3743             }
3744           }
3745
3746           Feld[lx][ly] = new_element;
3747           DrawMiniElement(sx, sy, new_element);
3748         }
3749       }
3750       else
3751       {
3752         DrawMiniGraphicExt(drawto,
3753                            gi->x + sx * MINI_TILEX,
3754                            gi->y + sy * MINI_TILEY,
3755                            el2img(new_element));
3756         DrawMiniGraphicExt(window,
3757                            gi->x + sx * MINI_TILEX,
3758                            gi->y + sy * MINI_TILEY,
3759                            el2img(new_element));
3760
3761         if (id == GADGET_ID_AMOEBA_CONTENT)
3762           level.amoeba_content = new_element;
3763         else if (id == GADGET_ID_RANDOM_BACKGROUND)
3764           random_placement_background_element = new_element;
3765         else if (id >= GADGET_ID_ELEM_CONTENT_0 &&
3766                  id <= GADGET_ID_ELEM_CONTENT_7)
3767           level.yam_content[id - GADGET_ID_ELEM_CONTENT_0][sx][sy] =
3768             new_element;
3769       }
3770       break;
3771
3772     case GADGET_ID_CONNECTED_ITEMS:
3773       {
3774         static int last_sx = -1;
3775         static int last_sy = -1;
3776
3777         if (button_release_event)
3778           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3779
3780         if (button)
3781         {
3782           if (!button_press_event)
3783             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
3784
3785           last_sx = sx;
3786           last_sy = sy;
3787         }
3788       }
3789       break;
3790
3791     case GADGET_ID_LINE:
3792     case GADGET_ID_ARC:
3793     case GADGET_ID_RECTANGLE:
3794     case GADGET_ID_FILLED_BOX:
3795     case GADGET_ID_GRAB_BRUSH:
3796     case GADGET_ID_TEXT:
3797       {
3798         static int last_sx = -1;
3799         static int last_sy = -1;
3800         static int start_sx = -1;
3801         static int start_sy = -1;
3802         void (*draw_func)(int, int, int, int, int, boolean);
3803
3804         if (drawing_function == GADGET_ID_LINE)
3805           draw_func = DrawLine;
3806         else if (drawing_function == GADGET_ID_ARC)
3807           draw_func = DrawArc;
3808         else if (drawing_function == GADGET_ID_RECTANGLE)
3809           draw_func = DrawRectangle;
3810         else if (drawing_function == GADGET_ID_FILLED_BOX)
3811           draw_func = DrawFilledBox;
3812         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
3813           draw_func = SelectArea;
3814         else /* (drawing_function == GADGET_ID_TEXT) */
3815           draw_func = SetTextCursor;
3816
3817         if (button_press_event)
3818         {
3819           draw_func(sx, sy, sx, sy, new_element, FALSE);
3820           start_sx = last_sx = sx;
3821           start_sy = last_sy = sy;
3822
3823           if (drawing_function == GADGET_ID_TEXT)
3824             DrawLevelText(0, 0, 0, TEXT_END);
3825         }
3826         else if (button_release_event)
3827         {
3828           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
3829           if (drawing_function == GADGET_ID_GRAB_BRUSH)
3830           {
3831             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
3832             CopyBrushToCursor(sx, sy);
3833             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
3834                           MB_LEFTBUTTON);
3835             draw_with_brush = TRUE;
3836           }
3837           else if (drawing_function == GADGET_ID_TEXT)
3838             DrawLevelText(sx, sy, 0, TEXT_INIT);
3839           else
3840             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3841         }
3842         else if (last_sx != sx || last_sy != sy)
3843         {
3844           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
3845           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
3846           last_sx = sx;
3847           last_sy = sy;
3848         }
3849       }
3850       break;
3851
3852     case GADGET_ID_FLOOD_FILL:
3853       if (button_press_event && Feld[lx][ly] != new_element)
3854       {
3855         FloodFill(lx, ly, new_element);
3856         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3857         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3858       }
3859       break;
3860
3861     case GADGET_ID_PICK_ELEMENT:
3862       if (button_release_event)
3863         ClickOnGadget(level_editor_gadget[last_drawing_function],
3864                       MB_LEFTBUTTON);
3865       else
3866         PickDrawingElement(button, Feld[lx][ly]);
3867
3868       break;
3869
3870     default:
3871       break;
3872   }
3873 }
3874
3875 static void HandleCounterButtons(struct GadgetInfo *gi)
3876 {
3877   int gadget_id = gi->custom_id;
3878   int counter_id = gi->custom_type_id;
3879   int button = gi->event.button;
3880   int *counter_value = counterbutton_info[counter_id].value;
3881   int step = BUTTON_STEPSIZE(button) *
3882     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
3883
3884   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
3885   {
3886     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
3887     boolean released = (gi->event.type == GD_EVENT_RELEASED);
3888     boolean level_changed = LevelChanged();
3889
3890     if ((level_changed && pressed) || (!level_changed && released))
3891       return;
3892
3893     if (level_changed && !Request("Level has changed! Discard changes ?",
3894                                   REQ_ASK))
3895     {
3896       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
3897         ModifyEditorCounter(counter_id, *counter_value);
3898       return;
3899     }
3900   }
3901
3902   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
3903     *counter_value = gi->text.number_value;
3904   else
3905     ModifyEditorCounter(counter_id, *counter_value + step);
3906
3907   switch (counter_id)
3908   {
3909     case ED_COUNTER_ID_ELEM_CONTENT:
3910       DrawElementContentAreas();
3911       break;
3912
3913     case ED_COUNTER_ID_LEVEL_XSIZE:
3914     case ED_COUNTER_ID_LEVEL_YSIZE:
3915       lev_fieldx = level.fieldx;
3916       lev_fieldy = level.fieldy;
3917       break;
3918
3919     case ED_COUNTER_ID_SELECT_LEVEL:
3920       LoadLevel(level_nr);
3921       TapeErase();
3922       ResetUndoBuffer();
3923       DrawEditModeWindow();
3924       break;
3925
3926     default:
3927       break;
3928   }
3929 }
3930
3931 static void HandleTextInputGadgets(struct GadgetInfo *gi)
3932 {
3933   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
3934 }
3935
3936 static void HandleRadiobuttons(struct GadgetInfo *gi)
3937 {
3938   *radiobutton_info[gi->custom_type_id].value =
3939     radiobutton_info[gi->custom_type_id].checked_value;
3940 }
3941
3942 static void HandleCheckbuttons(struct GadgetInfo *gi)
3943 {
3944   *checkbutton_info[gi->custom_type_id].value ^= TRUE;
3945 }
3946
3947 static void HandleControlButtons(struct GadgetInfo *gi)
3948 {
3949   int id = gi->custom_id;
3950   int button = gi->event.button;
3951   int step = BUTTON_STEPSIZE(button);
3952   int new_element = BUTTON_ELEMENT(button);
3953   int i, x, y;
3954
3955   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
3956     DrawLevelText(0, 0, 0, TEXT_END);
3957
3958   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
3959       edit_mode != ED_MODE_DRAWING)
3960   {
3961     DrawDrawingWindow();
3962     edit_mode = ED_MODE_DRAWING;
3963   }
3964
3965   switch (id)
3966   {
3967     case GADGET_ID_SCROLL_LEFT:
3968       if (level_xpos >= 0)
3969       {
3970         if (lev_fieldx < ed_fieldx - 2)
3971           break;
3972
3973         level_xpos -= step;
3974         if (level_xpos < -1)
3975           level_xpos = -1;
3976         if (button == 1)
3977           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
3978         else
3979           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3980
3981         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3982                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
3983       }
3984       break;
3985
3986     case GADGET_ID_SCROLL_RIGHT:
3987       if (level_xpos <= lev_fieldx - ed_fieldx)
3988       {
3989         if (lev_fieldx < ed_fieldx - 2)
3990           break;
3991
3992         level_xpos += step;
3993         if (level_xpos > lev_fieldx - ed_fieldx + 1)
3994           level_xpos = lev_fieldx - ed_fieldx + 1;
3995         if (button == 1)
3996           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
3997         else
3998           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3999
4000         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4001                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
4002       }
4003       break;
4004
4005     case GADGET_ID_SCROLL_UP:
4006       if (level_ypos >= 0)
4007       {
4008         if (lev_fieldy < ed_fieldy - 2)
4009           break;
4010
4011         level_ypos -= step;
4012         if (level_ypos < -1)
4013           level_ypos = -1;
4014         if (button == 1)
4015           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
4016         else
4017           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4018
4019         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4020                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
4021       }
4022       break;
4023
4024     case GADGET_ID_SCROLL_DOWN:
4025       if (level_ypos <= lev_fieldy - ed_fieldy)
4026       {
4027         if (lev_fieldy < ed_fieldy - 2)
4028           break;
4029
4030         level_ypos += step;
4031         if (level_ypos > lev_fieldy - ed_fieldy + 1)
4032           level_ypos = lev_fieldy - ed_fieldy + 1;
4033         if (button == 1)
4034           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
4035         else
4036           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4037
4038         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4039                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
4040       }
4041       break;
4042
4043     case GADGET_ID_SCROLL_HORIZONTAL:
4044       level_xpos = gi->event.item_position - 1;
4045       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4046       break;
4047
4048     case GADGET_ID_SCROLL_VERTICAL:
4049       level_ypos = gi->event.item_position - 1;
4050       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4051       break;
4052
4053     case GADGET_ID_SCROLL_LIST_UP:
4054     case GADGET_ID_SCROLL_LIST_DOWN:
4055     case GADGET_ID_SCROLL_LIST_VERTICAL:
4056       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
4057         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
4058       else
4059       {
4060         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
4061         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
4062
4063         if (element_shift < 0)
4064           element_shift = 0;
4065         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
4066           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
4067
4068         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
4069                      GDI_SCROLLBAR_ITEM_POSITION,
4070                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
4071       }
4072
4073       for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4074       {
4075         int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4076         struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4077         struct GadgetDesign *gd = &gi->deco.design;
4078         int element = editor_elements[element_shift + i];
4079
4080         UnmapGadget(gi);
4081         getMiniGraphicSource(el2img(element), &gd->bitmap, &gd->x, &gd->y);
4082         ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4083         MapGadget(gi);
4084       }
4085       break;
4086
4087     case GADGET_ID_WRAP_LEFT:
4088       WrapLevel(-step, 0);
4089       break;
4090
4091     case GADGET_ID_WRAP_RIGHT:
4092       WrapLevel(step, 0);
4093       break;
4094
4095     case GADGET_ID_WRAP_UP:
4096       WrapLevel(0, -step);
4097       break;
4098
4099     case GADGET_ID_WRAP_DOWN:
4100       WrapLevel(0, step);
4101       break;
4102
4103     case GADGET_ID_SINGLE_ITEMS:
4104     case GADGET_ID_CONNECTED_ITEMS:
4105     case GADGET_ID_LINE:
4106     case GADGET_ID_ARC:
4107     case GADGET_ID_TEXT:
4108     case GADGET_ID_RECTANGLE:
4109     case GADGET_ID_FILLED_BOX:
4110     case GADGET_ID_FLOOD_FILL:
4111     case GADGET_ID_GRAB_BRUSH:
4112     case GADGET_ID_PICK_ELEMENT:
4113       last_drawing_function = drawing_function;
4114       drawing_function = id;
4115       draw_with_brush = FALSE;
4116       break;
4117
4118     case GADGET_ID_RANDOM_PLACEMENT:
4119       RandomPlacement(new_element);
4120       break;
4121
4122     case GADGET_ID_PROPERTIES:
4123       if (edit_mode != ED_MODE_PROPERTIES)
4124       {
4125         properties_element = new_element;
4126         DrawPropertiesWindow();
4127         edit_mode = ED_MODE_PROPERTIES;
4128       }
4129       else
4130       {
4131         DrawDrawingWindow();
4132         edit_mode = ED_MODE_DRAWING;
4133       }
4134       break;
4135
4136     case GADGET_ID_UNDO:
4137       if (undo_buffer_steps == 0)
4138       {
4139         Request("Undo buffer empty !", REQ_CONFIRM);
4140         break;
4141       }
4142
4143       undo_buffer_position =
4144         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
4145       undo_buffer_steps--;
4146
4147       for(x=0; x<lev_fieldx; x++)
4148         for(y=0; y<lev_fieldy; y++)
4149           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
4150       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
4151       break;
4152
4153     case GADGET_ID_INFO:
4154       if (edit_mode != ED_MODE_INFO)
4155       {
4156         DrawLevelInfoWindow();
4157         edit_mode = ED_MODE_INFO;
4158       }
4159       else
4160       {
4161         DrawDrawingWindow();
4162         edit_mode = ED_MODE_DRAWING;
4163       }
4164       break;
4165
4166     case GADGET_ID_CLEAR:
4167       for(x=0; x<MAX_LEV_FIELDX; x++)
4168         for(y=0; y<MAX_LEV_FIELDY; y++)
4169           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
4170       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
4171
4172       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4173       break;
4174
4175     case GADGET_ID_SAVE:
4176       if (leveldir_current->readonly)
4177       {
4178         Request("This level is read only !", REQ_CONFIRM);
4179         break;
4180       }
4181
4182       if (!LevelContainsPlayer)
4183         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
4184       else
4185       {
4186         if (Request("Save this level and kill the old ?", REQ_ASK))
4187         {
4188           for(x=0; x<lev_fieldx; x++)
4189             for(y=0; y<lev_fieldy; y++)
4190               Ur[x][y] = Feld[x][y];
4191           SaveLevel(level_nr);
4192         }
4193       }
4194       break;
4195
4196     case GADGET_ID_TEST:
4197       if (!LevelContainsPlayer)
4198         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
4199       else
4200       {
4201         if (LevelChanged())
4202           level.game_version = GAME_VERSION_ACTUAL;
4203
4204         for(x=0; x<lev_fieldx; x++)
4205           for(y=0; y<lev_fieldy; y++)
4206             FieldBackup[x][y] = Ur[x][y];
4207
4208         for(x=0; x<lev_fieldx; x++)
4209           for(y=0; y<lev_fieldy; y++)
4210             Ur[x][y] = Feld[x][y];
4211
4212         UnmapLevelEditorGadgets();
4213         UndrawSpecialEditorDoor();
4214
4215         CloseDoor(DOOR_CLOSE_ALL);
4216
4217         DrawCompleteVideoDisplay();
4218
4219         if (setup.autorecord)
4220           TapeStartRecording();
4221
4222         level_editor_test_game = TRUE;
4223         game_status = PLAYING;
4224
4225         InitGame();
4226       }
4227       break;
4228
4229     case GADGET_ID_EXIT:
4230       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
4231       break;
4232
4233     default:
4234       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
4235           id <= GADGET_ID_ELEMENTLIST_LAST)
4236       {
4237         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
4238         int new_element = editor_elements[element_position + element_shift];
4239
4240         PickDrawingElement(button, new_element);
4241
4242         if (!HAS_CONTENT(properties_element) ||
4243             !stick_element_properties_window)
4244         {
4245           properties_element = new_element;
4246           if (edit_mode == ED_MODE_PROPERTIES)
4247             DrawPropertiesWindow();
4248         }
4249
4250         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4251           ClickOnGadget(level_editor_gadget[last_drawing_function],
4252                         MB_LEFTBUTTON);
4253       }
4254 #ifdef DEBUG
4255       else if (gi->event.type == GD_EVENT_PRESSED)
4256         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
4257       else if (gi->event.type == GD_EVENT_RELEASED)
4258         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
4259       else if (gi->event.type == GD_EVENT_MOVING)
4260         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
4261       else
4262         printf("default: HandleControlButtons: ? (id == %d)\n", id);
4263 #endif
4264       break;
4265   }
4266 }
4267
4268 void HandleLevelEditorKeyInput(Key key)
4269 {
4270   char letter = getCharFromKey(key);
4271   int button = MB_LEFTBUTTON;
4272
4273   if (drawing_function == GADGET_ID_TEXT &&
4274       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
4275   {
4276     if (letter)
4277       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
4278     else if (key == KSYM_Delete || key == KSYM_BackSpace)
4279       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
4280     else if (key == KSYM_Return)
4281       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
4282     else if (key == KSYM_Escape)
4283       DrawLevelText(0, 0, 0, TEXT_END);
4284   }
4285   else if (button_status == MB_RELEASED)
4286   {
4287     int i, id = GADGET_ID_NONE;
4288
4289     switch (key)
4290     {
4291       case KSYM_Left:
4292         id = GADGET_ID_SCROLL_LEFT;
4293         break;
4294       case KSYM_Right:
4295         id = GADGET_ID_SCROLL_RIGHT;
4296         break;
4297       case KSYM_Up:
4298         id = GADGET_ID_SCROLL_UP;
4299         break;
4300       case KSYM_Down:
4301         id = GADGET_ID_SCROLL_DOWN;
4302         break;
4303       case KSYM_Page_Up:
4304         id = GADGET_ID_SCROLL_LIST_UP;
4305         button = MB_RIGHTBUTTON;
4306         break;
4307       case KSYM_Page_Down:
4308         id = GADGET_ID_SCROLL_LIST_DOWN;
4309         button = MB_RIGHTBUTTON;
4310         break;
4311
4312       case KSYM_Escape:
4313         if (edit_mode == ED_MODE_DRAWING)
4314         {
4315           RequestExitLevelEditor(setup.ask_on_escape);
4316         }
4317         else
4318         {
4319           DrawDrawingWindow();
4320           edit_mode = ED_MODE_DRAWING;
4321         }
4322         break;
4323
4324       default:
4325         break;
4326     }
4327
4328     if (id != GADGET_ID_NONE)
4329       ClickOnGadget(level_editor_gadget[id], button);
4330     else if (letter == '.')
4331       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
4332     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
4333       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
4334     else
4335       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
4336         if (letter && letter == control_info[i].shortcut)
4337           if (!anyTextGadgetActive())
4338             ClickOnGadget(level_editor_gadget[i], button);
4339   }
4340 }
4341
4342 void HandleLevelEditorIdle()
4343 {
4344   static unsigned long action_delay = 0;
4345   unsigned long action_delay_value = GameFrameDelay;
4346   int graphic = el2img(properties_element);
4347   int xpos = 1, ypos = 2;
4348
4349   if (edit_mode != ED_MODE_PROPERTIES)
4350     return;
4351
4352   if (!DelayReached(&action_delay, action_delay_value))
4353     return;
4354
4355 #if 1
4356   DrawGraphicAnimationExt(drawto,
4357                           SX + xpos * TILEX,
4358                           SY + ypos * TILEY + MINI_TILEY / 2,
4359                           graphic, -1, NO_MASKING);
4360
4361 #else
4362   DrawGraphicAnimationExt(drawto,
4363                           SX + xpos * TILEX,
4364                           SY + ypos * TILEY + MINI_TILEY / 2,
4365                           el_dir_act2img(properties_element,
4366                                          MV_NO_MOVING,
4367                                          ...), -1, NO_MASKING);
4368 #endif
4369
4370   MarkTileDirty(xpos, ypos);
4371   MarkTileDirty(xpos, ypos + 1);
4372
4373   FrameCounter++;       /* increase animation frame counter */
4374 }
4375
4376 void ClearEditorGadgetInfoText()
4377 {
4378   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
4379 }
4380
4381 void HandleEditorGadgetInfoText(void *ptr)
4382 {
4383   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
4384   char infotext[MAX_INFOTEXT_LEN + 1];
4385   char shortcut[MAX_INFOTEXT_LEN + 1];
4386
4387   if (game_status != LEVELED)
4388     return;
4389
4390   ClearEditorGadgetInfoText();
4391
4392   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4393     return;
4394
4395   /* misuse this function to delete brush cursor, if needed */
4396   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
4397     DeleteBrushFromCursor();
4398
4399   if (gi == NULL || gi->info_text == NULL)
4400     return;
4401
4402   strncpy(infotext, gi->info_text, MAX_INFOTEXT_LEN);
4403   infotext[MAX_INFOTEXT_LEN] = '\0';
4404
4405   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
4406   {
4407     int key = control_info[gi->custom_id].shortcut;
4408
4409     if (key)
4410     {
4411       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
4412         sprintf(shortcut, " ('.' or '%c')", key);
4413       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
4414         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
4415       else                                              /* normal case */
4416         sprintf(shortcut, " ('%s%c')",
4417                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
4418
4419       if (strlen(infotext) + strlen(shortcut) <= MAX_INFOTEXT_LEN)
4420         strcat(infotext, shortcut);
4421     }
4422   }
4423
4424   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FS_SMALL, FC_YELLOW);
4425 }
4426
4427 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
4428 {
4429   static int start_lx, start_ly;
4430   char *infotext;
4431   int id = gi->custom_id;
4432   int sx = gi->event.x;
4433   int sy = gi->event.y;
4434   int lx = sx + level_xpos;
4435   int ly = sy + level_ypos;
4436   int min_sx = 0, min_sy = 0;
4437   int max_sx = gi->drawing.area_xsize - 1;
4438   int max_sy = gi->drawing.area_ysize - 1;
4439
4440   ClearEditorGadgetInfoText();
4441
4442   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4443     return;
4444
4445   /* make sure to stay inside drawing area boundaries */
4446   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
4447   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
4448
4449   if (id == GADGET_ID_DRAWING_LEVEL)
4450   {
4451     if (button_status)
4452     {
4453       int min_lx = 0, min_ly = 0;
4454       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
4455
4456       /* get positions inside level field */
4457       lx = sx + level_xpos;
4458       ly = sy + level_ypos;
4459
4460       /* make sure to stay inside level field boundaries */
4461       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
4462       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
4463
4464       /* correct drawing area positions accordingly */
4465       sx = lx - level_xpos;
4466       sy = ly - level_ypos;
4467     }
4468
4469     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
4470     {
4471       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
4472       {
4473         if (gi->event.type == GD_EVENT_PRESSED)
4474         {
4475           start_lx = lx;
4476           start_ly = ly;
4477         }
4478
4479         switch (drawing_function)
4480         {
4481           case GADGET_ID_SINGLE_ITEMS:
4482             infotext = "Drawing single items";
4483             break;
4484           case GADGET_ID_CONNECTED_ITEMS:
4485             infotext = "Drawing connected items";
4486             break;
4487           case GADGET_ID_LINE:
4488             infotext = "Drawing line";
4489             break;
4490           case GADGET_ID_ARC:
4491             infotext = "Drawing arc";
4492             break;
4493           case GADGET_ID_TEXT:
4494             infotext = "Setting text cursor";
4495             break;
4496           case GADGET_ID_RECTANGLE:
4497             infotext = "Drawing rectangle";
4498             break;
4499           case GADGET_ID_FILLED_BOX:
4500             infotext = "Drawing filled box";
4501             break;
4502           case GADGET_ID_FLOOD_FILL:
4503             infotext = "Flood fill";
4504             break;
4505           case GADGET_ID_GRAB_BRUSH:
4506             infotext = "Grabbing brush";
4507             break;
4508           case GADGET_ID_PICK_ELEMENT:
4509             infotext = "Picking element";
4510             break;
4511
4512           default:
4513             infotext = "Drawing position";
4514             break;
4515         }
4516
4517         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4518           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4519                     "%s: %d, %d", infotext, lx, ly);
4520         else
4521           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4522                     "%s: %d, %d", infotext,
4523                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
4524       }
4525       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
4526         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4527                   "%s", getElementInfoText(Feld[lx][ly]));
4528       else
4529         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4530                   "Level position: %d, %d", lx, ly);
4531     }
4532
4533     /* misuse this function to draw brush cursor, if needed */
4534     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
4535     {
4536       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4537         CopyBrushToCursor(sx, sy);
4538       else
4539         DeleteBrushFromCursor();
4540     }
4541   }
4542   else if (id == GADGET_ID_AMOEBA_CONTENT)
4543     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4544               "Amoeba content");
4545   else if (id == GADGET_ID_RANDOM_BACKGROUND)
4546     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4547               "Random placement background");
4548   else
4549     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4550               "Content area %d position: %d, %d",
4551               id - GADGET_ID_ELEM_CONTENT_0 + 1, sx, sy);
4552 }
4553
4554 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
4555 {
4556   if (!ask_if_level_has_changed ||
4557       !LevelChanged() ||
4558       Request("Level has changed! Exit without saving ?",
4559               REQ_ASK | REQ_STAY_OPEN))
4560   {
4561     CloseDoor(DOOR_CLOSE_1);
4562     /*
4563     CloseDoor(DOOR_CLOSE_ALL);
4564     */
4565     game_status = MAINMENU;
4566     DrawMainMenu();
4567   }
4568   else
4569   {
4570     CloseDoor(DOOR_CLOSE_1);
4571     BlitBitmap(bitmap_db_door, bitmap_db_door,
4572                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
4573                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
4574     OpenDoor(DOOR_OPEN_1);
4575   }
4576 }