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_element[] =
 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   EL_CHAR('E'),
 783   EL_CHAR('M'),
 784   EL_CHAR('E'),
 785   EL_CHAR('-'),
 786
 787   EL_CHAR('R'),
 788   EL_CHAR('A'),
 789   EL_CHAR('L'),
 790   EL_CHAR('D'),
 791
 792   EL_CHAR('M'),
 793   EL_CHAR('I'),
 794   EL_CHAR('N'),
 795   EL_CHAR('E'),
 796
 797   EL_PLAYER1,
 798   EL_PLAYER2,
 799   EL_PLAYER3,
 800   EL_PLAYER4,
 801
 802   EL_PLAYER1,
 803   EL_EMPTY,
 804   EL_SAND,
 805   EL_ROCK,
 806
 807   EL_STEELWALL,
 808   EL_WALL,
 809   EL_WALL_CRUMBLED,
 810   EL_MAGIC_WALL,
 811
 812   EL_EMERALD,
 813   EL_DIAMOND,
 814   EL_NUT,
 815   EL_BOMB,
 816
 817   EL_WALL_EMERALD,
 818   EL_WALL_DIAMOND,
 819   EL_QUICKSAND_EMPTY,
 820   EL_QUICKSAND_FULL,
 821
 822   EL_DYNAMITE,
 823   EL_DYNAMITE_ACTIVE,
 824   EL_EXIT_CLOSED,
 825   EL_EXIT_OPEN,
 826
 827   EL_YAMYAM,
 828   EL_BUG_UP,
 829   EL_SPACESHIP_UP,
 830   EL_ROBOT,
 831
 832   EL_BUG_LEFT,
 833   EL_SPACESHIP_LEFT,
 834   EL_BUG_RIGHT,
 835   EL_SPACESHIP_RIGHT,
 836
 837   EL_ROBOT_WHEEL,
 838   EL_BUG_DOWN,
 839   EL_SPACESHIP_DOWN,
 840   EL_INVISIBLE_WALL,
 841
 842   EL_ACIDPOOL_TOPLEFT,
 843   EL_ACID,
 844   EL_ACIDPOOL_TOPRIGHT,
 845   EL_EMPTY,
 846
 847   EL_ACIDPOOL_BOTTOMLEFT,
 848   EL_ACIDPOOL_BOTTOM,
 849   EL_ACIDPOOL_BOTTOMRIGHT,
 850   EL_EMPTY,
 851
 852   EL_AMOEBA_DROP,
 853   EL_AMOEBA_DEAD,
 854   EL_AMOEBA_WET,
 855   EL_AMOEBA_DRY,
 856
 857   EL_EM_KEY1_FILE,
 858   EL_EM_KEY2_FILE,
 859   EL_EM_KEY3_FILE,
 860   EL_EM_KEY4_FILE,
 861
 862   EL_EM_GATE1,
 863   EL_EM_GATE2,
 864   EL_EM_GATE3,
 865   EL_EM_GATE4,
 866
 867   EL_EM_GATE1_GRAY,
 868   EL_EM_GATE2_GRAY,
 869   EL_EM_GATE3_GRAY,
 870   EL_EM_GATE4_GRAY,
 871
 872   EL_CHAR('M'),
 873   EL_CHAR('O'),
 874   EL_CHAR('R'),
 875   EL_CHAR('E'),
 876
 877   EL_KEY1,
 878   EL_KEY2,
 879   EL_KEY3,
 880   EL_KEY4,
 881
 882   EL_GATE1,
 883   EL_GATE2,
 884   EL_GATE3,
 885   EL_GATE4,
 886
 887   EL_GATE1_GRAY,
 888   EL_GATE2_GRAY,
 889   EL_GATE3_GRAY,
 890   EL_GATE4_GRAY,
 891
 892   EL_ARROW_BLUE_LEFT,
 893   EL_ARROW_BLUE_RIGHT,
 894   EL_ARROW_BLUE_UP,
 895   EL_ARROW_BLUE_DOWN,
 896
 897   EL_AMOEBA_FULL,
 898   EL_EMERALD_YELLOW,
 899   EL_EMERALD_RED,
 900   EL_EMERALD_PURPLE,
 901
 902   EL_WALL_BD_DIAMOND,
 903   EL_WALL_EMERALD_YELLOW,
 904   EL_WALL_EMERALD_RED,
 905   EL_WALL_EMERALD_PURPLE,
 906
 907   EL_GAMEOFLIFE,
 908   EL_PACMAN_UP,
 909   EL_TIME_ORB_FULL,
 910   EL_TIME_ORB_EMPTY,
 911
 912   EL_PACMAN_LEFT,
 913   EL_DARK_YAMYAM,
 914   EL_PACMAN_RIGHT,
 915   EL_WALL_GROWING,
 916
 917   EL_BIOMAZE,
 918   EL_PACMAN_DOWN,
 919   EL_LAMP,
 920   EL_LAMP_ACTIVE,
 921
 922   EL_DYNABOMB_NR,
 923   EL_DYNABOMB_SZ,
 924   EL_DYNABOMB_XL,
 925   EL_STONEBLOCK,
 926
 927   EL_MOLE,
 928   EL_PENGUIN,
 929   EL_PIG,
 930   EL_DRAGON,
 931
 932   EL_EMPTY,
 933   EL_MOLE_UP,
 934   EL_EMPTY,
 935   EL_EMPTY,
 936
 937   EL_MOLE_LEFT,
 938   EL_EMPTY,
 939   EL_MOLE_RIGHT,
 940   EL_EMPTY,
 941
 942   EL_EMPTY,
 943   EL_MOLE_DOWN,
 944   EL_BALLOON,
 945   EL_BALLOON_SEND_ANY_DIRECTION,
 946
 947   EL_BALLOON_SEND_LEFT,
 948   EL_BALLOON_SEND_RIGHT,
 949   EL_BALLOON_SEND_UP,
 950   EL_BALLOON_SEND_DOWN,
 951
 952   EL_SATELLITE,
 953   EL_WALL_GROWING_X,
 954   EL_WALL_GROWING_Y,
 955   EL_WALL_GROWING_XY,
 956
 957   EL_INVISIBLE_STEELWALL,
 958   EL_INVISIBLE_WALL,
 959   EL_SPEED_PILL,
 960   EL_BLACK_ORB,
 961
 962   EL_EMC_STEELWALL1,
 963   EL_EMC_WALL_PILLAR_UPPER,
 964   EL_EMC_WALL_PILLAR_MIDDLE,
 965   EL_EMC_WALL_PILLAR_LOWER,
 966
 967   EL_EMC_WALL4,
 968   EL_EMC_WALL5,
 969   EL_EMC_WALL6,
 970   EL_EMC_WALL7,
 971
 972
 973   EL_CHAR('S'),
 974   EL_CHAR('O'),
 975   EL_CHAR('K'),
 976   EL_CHAR('O'),
 977
 978   EL_CHAR('-'),
 979   EL_CHAR('B'),
 980   EL_CHAR('A'),
 981   EL_CHAR('N'),
 982
 983   EL_SOKOBAN_OBJECT,
 984   EL_SOKOBAN_FIELD_EMPTY,
 985   EL_SOKOBAN_FIELD_FULL,
 986   EL_STEELWALL,
 987
 988   EL_CHAR('S'),
 989   EL_CHAR('U'),
 990   EL_CHAR('P'),
 991   EL_CHAR('A'),
 992
 993   EL_CHAR('P'),
 994   EL_CHAR('L'),
 995   EL_CHAR('E'),
 996   EL_CHAR('X'),
 997
 998   EL_SP_EMPTY,
 999   EL_SP_ZONK,
1000   EL_SP_BASE,
1001   EL_SP_MURPHY,
1002
1003   EL_SP_INFOTRON,
1004   EL_SP_CHIP_SINGLE,
1005   EL_SP_HARD_GRAY,
1006   EL_SP_EXIT_CLOSED,
1007
1008   EL_SP_DISK_ORANGE,
1009   EL_SP_PORT1_RIGHT,
1010   EL_SP_PORT1_DOWN,
1011   EL_SP_PORT1_LEFT,
1012
1013   EL_SP_PORT1_UP,
1014   EL_SP_PORT2_RIGHT,
1015   EL_SP_PORT2_DOWN,
1016   EL_SP_PORT2_LEFT,
1017
1018   EL_SP_PORT2_UP,
1019   EL_SP_SNIKSNAK,
1020   EL_SP_DISK_YELLOW,
1021   EL_SP_TERMINAL,
1022
1023   EL_SP_DISK_RED,
1024   EL_SP_PORT_Y,
1025   EL_SP_PORT_X,
1026   EL_SP_PORT_XY,
1027
1028   EL_SP_ELECTRON,
1029   EL_SP_BUGGY_BASE,
1030   EL_SP_CHIP_LEFT,
1031   EL_SP_CHIP_RIGHT,
1032
1033   EL_SP_HARD_BASE1,
1034   EL_SP_HARD_GREEN,
1035   EL_SP_HARD_BLUE,
1036   EL_SP_HARD_RED,
1037
1038   EL_SP_HARD_YELLOW,
1039   EL_SP_HARD_BASE2,
1040   EL_SP_HARD_BASE3,
1041   EL_SP_HARD_BASE4,
1042
1043   EL_SP_HARD_BASE5,
1044   EL_SP_HARD_BASE6,
1045   EL_SP_CHIP_UPPER,
1046   EL_SP_CHIP_LOWER,
1047
1048   EL_CHAR('D'),
1049   EL_CHAR('I'),
1050   EL_CHAR('A'),
1051   EL_CHAR('-'),
1052
1053   EL_CHAR('M'),
1054   EL_CHAR('O'),
1055   EL_CHAR('N'),
1056   EL_CHAR('D'),
1057
1058   EL_CHAR('C'),
1059   EL_CHAR('A'),
1060   EL_CHAR('V'),
1061   EL_CHAR('E'),
1062
1063   EL_CHAR('S'),
1064   EL_CHAR(' '),
1065   EL_CHAR('I'),
1066   EL_CHAR('I'),
1067
1068   EL_PEARL,
1069   EL_CRYSTAL,
1070   EL_WALL_PEARL,
1071   EL_WALL_CRYSTAL,
1072
1073   EL_CONVEYOR_BELT1_LEFT,
1074   EL_CONVEYOR_BELT1_MIDDLE,
1075   EL_CONVEYOR_BELT1_RIGHT,
1076   EL_CONVEYOR_BELT1_SWITCH_MIDDLE,
1077
1078   EL_CONVEYOR_BELT2_LEFT,
1079   EL_CONVEYOR_BELT2_MIDDLE,
1080   EL_CONVEYOR_BELT2_RIGHT,
1081   EL_CONVEYOR_BELT2_SWITCH_MIDDLE,
1082
1083   EL_CONVEYOR_BELT3_LEFT,
1084   EL_CONVEYOR_BELT3_MIDDLE,
1085   EL_CONVEYOR_BELT3_RIGHT,
1086   EL_CONVEYOR_BELT3_SWITCH_MIDDLE,
1087
1088   EL_CONVEYOR_BELT4_LEFT,
1089   EL_CONVEYOR_BELT4_MIDDLE,
1090   EL_CONVEYOR_BELT4_RIGHT,
1091   EL_CONVEYOR_BELT4_SWITCH_MIDDLE,
1092
1093   EL_CONVEYOR_BELT1_SWITCH_LEFT,
1094   EL_CONVEYOR_BELT2_SWITCH_LEFT,
1095   EL_CONVEYOR_BELT3_SWITCH_LEFT,
1096   EL_CONVEYOR_BELT4_SWITCH_LEFT,
1097
1098   EL_CONVEYOR_BELT1_SWITCH_RIGHT,
1099   EL_CONVEYOR_BELT2_SWITCH_RIGHT,
1100   EL_CONVEYOR_BELT3_SWITCH_RIGHT,
1101   EL_CONVEYOR_BELT4_SWITCH_RIGHT,
1102
1103   EL_SWITCHGATE_OPEN,
1104   EL_SWITCHGATE_CLOSED,
1105   EL_SWITCHGATE_SWITCH_UP,
1106   EL_ENVELOPE,
1107
1108   EL_TIMEGATE_CLOSED,
1109   EL_TIMEGATE_OPEN,
1110   EL_TIMEGATE_SWITCH,
1111   EL_EMPTY,
1112
1113   EL_LANDMINE,
1114   EL_INVISIBLE_SAND,
1115   EL_STEELWALL_SLANTED,
1116   EL_EMPTY,
1117
1118   EL_SIGN_EXCLAMATION,
1119   EL_SIGN_STOP,
1120   EL_LIGHT_SWITCH,
1121   EL_LIGHT_SWITCH_ACTIVE,
1122
1123   EL_SHIELD_NORMAL,
1124   EL_SHIELD_DEADLY,
1125   EL_EXTRA_TIME,
1126   EL_EMPTY,
1127
1128   EL_CHAR('D'),
1129   EL_CHAR('X'),
1130   EL_CHAR('-'),
1131   EL_CHAR(' '),
1132
1133   EL_CHAR('B'),
1134   EL_CHAR('O'),
1135   EL_CHAR('U'),
1136   EL_CHAR('L'),
1137
1138   EL_CHAR('-'),
1139   EL_CHAR('D'),
1140   EL_CHAR('E'),
1141   EL_CHAR('R'),
1142
1143   EL_CHAR('D'),
1144   EL_CHAR('A'),
1145   EL_CHAR('S'),
1146   EL_CHAR('H'),
1147
1148   EL_SPRING,
1149   EL_TUBE_RIGHT_DOWN,
1150   EL_TUBE_HORIZONTAL_DOWN,
1151   EL_TUBE_LEFT_DOWN,
1152
1153   EL_TUBE_HORIZONTAL,
1154   EL_TUBE_VERTICAL_RIGHT,
1155   EL_TUBE_ALL,
1156   EL_TUBE_VERTICAL_LEFT,
1157
1158   EL_TUBE_VERTICAL,
1159   EL_TUBE_RIGHT_UP,
1160   EL_TUBE_HORIZONTAL_UP,
1161   EL_TUBE_LEFT_UP,
1162
1163   EL_TRAP,
1164   EL_DX_SUPABOMB,
1165   EL_EMPTY,
1166   EL_EMPTY,
1167
1168   /*
1169   EL_CHAR('D'),
1170   EL_CHAR('Y'),
1171   EL_CHAR('N'),
1172   EL_CHAR('A'),
1173
1174   EL_CHAR('B'),
1175   EL_CHAR('L'),
1176   EL_CHAR('A'),
1177   EL_CHAR('S'),
1178
1179   EL_CHAR_MINUS,
1180   EL_CHAR('T'),
1181   EL_CHAR('E'),
1182   EL_CHAR('R'),
1183   */
1184
1185   EL_CHAR('C'),
1186   EL_CHAR('U'),
1187   EL_CHAR('S'),
1188   EL_CHAR('-'),
1189
1190   EL_CHAR('T'),
1191   EL_CHAR('O'),
1192   EL_CHAR('M'),
1193   EL_CHAR(' '),
1194
1195   EL_CHAR('E'),
1196   EL_CHAR('L'),
1197   EL_CHAR('E'),
1198   EL_CHAR('M'),
1199
1200   EL_CHAR('E'),
1201   EL_CHAR('N'),
1202   EL_CHAR('T'),
1203   EL_CHAR('S'),
1204
1205   EL_GENERIC_START + 0,
1206   EL_GENERIC_START + 1,
1207   EL_GENERIC_START + 2,
1208   EL_GENERIC_START + 3,
1209
1210   EL_GENERIC_START + 4,
1211   EL_GENERIC_START + 5,
1212   EL_GENERIC_START + 6,
1213   EL_GENERIC_START + 7,
1214
1215   EL_GENERIC_START + 8,
1216   EL_GENERIC_START + 9,
1217   EL_GENERIC_START + 10,
1218   EL_GENERIC_START + 11,
1219
1220   EL_GENERIC_START + 12,
1221   EL_GENERIC_START + 13,
1222   EL_GENERIC_START + 14,
1223   EL_GENERIC_START + 15,
1224
1225   EL_GENERIC_START + 16,
1226   EL_GENERIC_START + 17,
1227   EL_GENERIC_START + 18,
1228   EL_GENERIC_START + 19,
1229
1230   EL_GENERIC_START + 20,
1231   EL_GENERIC_START + 21,
1232   EL_GENERIC_START + 22,
1233   EL_GENERIC_START + 23,
1234
1235   EL_GENERIC_START + 24,
1236   EL_GENERIC_START + 25,
1237   EL_GENERIC_START + 26,
1238   EL_GENERIC_START + 27,
1239
1240   EL_GENERIC_START + 28,
1241   EL_GENERIC_START + 29,
1242   EL_GENERIC_START + 30,
1243   EL_GENERIC_START + 31,
1244
1245   EL_CHAR('T'),
1246   EL_CHAR('E'),
1247   EL_CHAR('X'),
1248   EL_CHAR('T'),
1249
1250   EL_CHAR(' '),
1251   EL_CHAR('!'),
1252   EL_CHAR('"'),
1253   EL_CHAR('#'),
1254
1255   EL_CHAR('$'),
1256   EL_CHAR('%'),
1257   EL_CHAR('&'),
1258   EL_CHAR('\''),
1259
1260   EL_CHAR('('),
1261   EL_CHAR(')'),
1262   EL_CHAR('*'),
1263   EL_CHAR('+'),
1264
1265   EL_CHAR(','),
1266   EL_CHAR('-'),
1267   EL_CHAR('.'),
1268   EL_CHAR('/'),
1269
1270   EL_CHAR('0'),
1271   EL_CHAR('1'),
1272   EL_CHAR('2'),
1273   EL_CHAR('3'),
1274
1275   EL_CHAR('4'),
1276   EL_CHAR('5'),
1277   EL_CHAR('6'),
1278   EL_CHAR('7'),
1279
1280   EL_CHAR('8'),
1281   EL_CHAR('9'),
1282   EL_CHAR(':'),
1283   EL_CHAR(';'),
1284
1285   EL_CHAR('<'),
1286   EL_CHAR('='),
1287   EL_CHAR('>'),
1288   EL_CHAR('?'),
1289
1290   EL_CHAR('@'),
1291   EL_CHAR('A'),
1292   EL_CHAR('B'),
1293   EL_CHAR('C'),
1294
1295   EL_CHAR('D'),
1296   EL_CHAR('E'),
1297   EL_CHAR('F'),
1298   EL_CHAR('G'),
1299
1300   EL_CHAR('H'),
1301   EL_CHAR('I'),
1302   EL_CHAR('J'),
1303   EL_CHAR('K'),
1304
1305   EL_CHAR('L'),
1306   EL_CHAR('M'),
1307   EL_CHAR('N'),
1308   EL_CHAR('O'),
1309
1310   EL_CHAR('P'),
1311   EL_CHAR('Q'),
1312   EL_CHAR('R'),
1313   EL_CHAR('S'),
1314
1315   EL_CHAR('T'),
1316   EL_CHAR('U'),
1317   EL_CHAR('V'),
1318   EL_CHAR('W'),
1319
1320   EL_CHAR('X'),
1321   EL_CHAR('Y'),
1322   EL_CHAR('Z'),
1323   EL_CHAR('Ä'),
1324
1325   EL_CHAR('Ö'),
1326   EL_CHAR('Ü'),
1327   EL_CHAR('^'),
1328   EL_CHAR('_'),
1329
1330   EL_CHAR(' '),
1331   EL_CHAR('°'),
1332   EL_CHAR('´'),
1333   EL_CHAR('|')
1334 };
1335 int elements_in_list = sizeof(editor_element)/sizeof(int);
1336
1337 static char *getElementInfoText(int element)
1338 {
1339   char *info_text = "unknown";
1340
1341   if (element < NUM_FILE_ELEMENTS &&
1342       element_info[element].editor_description != NULL)
1343     info_text = element_info[element].editor_description;
1344   else
1345     Error(ERR_WARN, "no element description for element %d", element);
1346
1347   return info_text;
1348 }
1349
1350 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
1351 {
1352   int x,y;
1353   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
1354   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
1355
1356   BlitBitmap(drawto, drawto,
1357              SX + (dx == -1 ? MINI_TILEX : 0),
1358              SY + (dy == -1 ? MINI_TILEY : 0),
1359              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
1360              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
1361              SX + (dx == +1 ? MINI_TILEX : 0),
1362              SY + (dy == +1 ? MINI_TILEY : 0));
1363   if (dx)
1364   {
1365     x = (dx == 1 ? 0 : ed_fieldx - 1);
1366     for(y=0; y<ed_fieldy; y++)
1367       DrawMiniElementOrWall(x, y, from_x, from_y);
1368   }
1369   else if (dy)
1370   {
1371     y = (dy == 1 ? 0 : ed_fieldy - 1);
1372     for(x=0; x<ed_fieldx; x++)
1373       DrawMiniElementOrWall(x, y, from_x, from_y);
1374   }
1375
1376   redraw_mask |= REDRAW_FIELD;
1377   BackToFront();
1378 }
1379
1380 static void CreateControlButtons()
1381 {
1382   Bitmap *gd_bitmap = new_graphic_info[IMG_MENU_DOOR].bitmap;
1383   struct GadgetInfo *gi;
1384   unsigned long event_mask;
1385   int i;
1386
1387   /* create toolbox buttons */
1388   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
1389   {
1390     int id = i;
1391     int width, height;
1392     int gd_xoffset, gd_yoffset;
1393     int gd_x1, gd_x2, gd_y1, gd_y2;
1394     int button_type;
1395     int radio_button_nr;
1396     boolean checked;
1397
1398     if (id == GADGET_ID_SINGLE_ITEMS ||
1399         id == GADGET_ID_CONNECTED_ITEMS ||
1400         id == GADGET_ID_LINE ||
1401         id == GADGET_ID_ARC ||
1402         id == GADGET_ID_TEXT ||
1403         id == GADGET_ID_RECTANGLE ||
1404         id == GADGET_ID_FILLED_BOX ||
1405         id == GADGET_ID_FLOOD_FILL ||
1406         id == GADGET_ID_GRAB_BRUSH ||
1407         id == GADGET_ID_PICK_ELEMENT)
1408     {
1409       button_type = GD_TYPE_RADIO_BUTTON;
1410       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
1411       checked = (id == drawing_function ? TRUE : FALSE);
1412       event_mask = GD_EVENT_PRESSED;
1413     }
1414     else
1415     {
1416       button_type = GD_TYPE_NORMAL_BUTTON;
1417       radio_button_nr = RADIO_NR_NONE;
1418       checked = FALSE;
1419
1420       if (id == GADGET_ID_WRAP_LEFT ||
1421           id == GADGET_ID_WRAP_RIGHT ||
1422           id == GADGET_ID_WRAP_UP ||
1423           id == GADGET_ID_WRAP_DOWN)
1424         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1425       else
1426         event_mask = GD_EVENT_RELEASED;
1427     }
1428
1429     if (id < ED_NUM_CTRL1_BUTTONS)
1430     {
1431       int x = i % ED_CTRL1_BUTTONS_HORIZ;
1432       int y = i / ED_CTRL1_BUTTONS_HORIZ;
1433
1434       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
1435       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
1436       width = ED_CTRL1_BUTTON_XSIZE;
1437       height = ED_CTRL1_BUTTON_YSIZE;
1438     }
1439     else
1440     {
1441       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
1442       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
1443
1444       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
1445       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
1446       width = ED_CTRL2_BUTTON_XSIZE;
1447       height = ED_CTRL2_BUTTON_YSIZE;
1448     }
1449
1450     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
1451     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
1452     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
1453     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
1454
1455     gi = CreateGadget(GDI_CUSTOM_ID, id,
1456                       GDI_CUSTOM_TYPE_ID, i,
1457                       GDI_INFO_TEXT, control_info[i].text,
1458                       GDI_X, EX + gd_xoffset,
1459                       GDI_Y, EY + gd_yoffset,
1460                       GDI_WIDTH, width,
1461                       GDI_HEIGHT, height,
1462                       GDI_TYPE, button_type,
1463                       GDI_STATE, GD_BUTTON_UNPRESSED,
1464                       GDI_RADIO_NR, radio_button_nr,
1465                       GDI_CHECKED, checked,
1466                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
1467                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
1468                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
1469                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
1470                       GDI_EVENT_MASK, event_mask,
1471                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1472                       GDI_CALLBACK_ACTION, HandleControlButtons,
1473                       GDI_END);
1474
1475     if (gi == NULL)
1476       Error(ERR_EXIT, "cannot create gadget");
1477
1478     level_editor_gadget[id] = gi;
1479   }
1480
1481   /* create buttons for scrolling of drawing area and element list */
1482   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
1483   {
1484     int id = scrollbutton_info[i].gadget_id;
1485     int x, y, width, height;
1486     int gd_x1, gd_x2, gd_y1, gd_y2;
1487
1488     x = scrollbutton_info[i].x;
1489     y = scrollbutton_info[i].y;
1490
1491     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1492
1493     if (id == GADGET_ID_SCROLL_LIST_UP ||
1494         id == GADGET_ID_SCROLL_LIST_DOWN)
1495     {
1496       x += DX;
1497       y += DY;
1498       width = ED_SCROLLBUTTON2_XSIZE;
1499       height = ED_SCROLLBUTTON2_YSIZE;
1500       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
1501       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
1502       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
1503       gd_y2 = gd_y1;
1504     }
1505     else
1506     {
1507       x += SX;
1508       y += SY;
1509       width = ED_SCROLLBUTTON_XSIZE;
1510       height = ED_SCROLLBUTTON_YSIZE;
1511       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
1512       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
1513       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
1514       gd_y2 = gd_y1;
1515     }
1516
1517     gi = CreateGadget(GDI_CUSTOM_ID, id,
1518                       GDI_CUSTOM_TYPE_ID, i,
1519                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
1520                       GDI_X, x,
1521                       GDI_Y, y,
1522                       GDI_WIDTH, width,
1523                       GDI_HEIGHT, height,
1524                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1525                       GDI_STATE, GD_BUTTON_UNPRESSED,
1526                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
1527                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
1528                       GDI_EVENT_MASK, event_mask,
1529                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1530                       GDI_CALLBACK_ACTION, HandleControlButtons,
1531                       GDI_END);
1532
1533     if (gi == NULL)
1534       Error(ERR_EXIT, "cannot create gadget");
1535
1536     level_editor_gadget[id] = gi;
1537   }
1538
1539   /* create buttons for element list */
1540   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
1541   {
1542     Bitmap *deco_bitmap;
1543     int deco_x, deco_y, deco_xpos, deco_ypos;
1544     int gd_xoffset, gd_yoffset;
1545     int gd_x1, gd_x2, gd_y;
1546     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
1547     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
1548     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
1549
1550     event_mask = GD_EVENT_RELEASED;
1551
1552     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
1553     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
1554
1555     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
1556     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
1557     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
1558
1559     getMiniGraphicSource(el2img(editor_element[i]),
1560                          &deco_bitmap, &deco_x, &deco_y);
1561     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
1562     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
1563
1564     gi = CreateGadget(GDI_CUSTOM_ID, id,
1565                       GDI_CUSTOM_TYPE_ID, i,
1566                       GDI_INFO_TEXT, getElementInfoText(editor_element[i]),
1567                       GDI_X, DX + gd_xoffset,
1568                       GDI_Y, DY + gd_yoffset,
1569                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
1570                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
1571                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1572                       GDI_STATE, GD_BUTTON_UNPRESSED,
1573                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
1574                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
1575                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
1576                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
1577                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
1578                       GDI_DECORATION_SHIFTING, 1, 1,
1579                       GDI_EVENT_MASK, event_mask,
1580                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1581                       GDI_CALLBACK_ACTION, HandleControlButtons,
1582                       GDI_END);
1583
1584     if (gi == NULL)
1585       Error(ERR_EXIT, "cannot create gadget");
1586
1587     level_editor_gadget[id] = gi;
1588   }
1589 }
1590
1591 static void CreateCounterButtons()
1592 {
1593   int i;
1594
1595   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
1596   {
1597     int j;
1598     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
1599     int ypos = SY + counterbutton_info[i].y;
1600
1601     for (j=0; j<2; j++)
1602     {
1603       Bitmap *gd_bitmap = new_graphic_info[IMG_MENU_DOOR].bitmap;
1604       struct GadgetInfo *gi;
1605       int id = (j == 0 ?
1606                 counterbutton_info[i].gadget_id_down :
1607                 counterbutton_info[i].gadget_id_up);
1608       int gd_xoffset;
1609       int gd_x, gd_x1, gd_x2, gd_y;
1610       int x_size, y_size;
1611       unsigned long event_mask;
1612       char infotext[MAX_INFOTEXT_LEN + 1];
1613
1614       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1615
1616       if (i == ED_COUNTER_ID_SELECT_LEVEL)
1617       {
1618         int sid = (j == 0 ?
1619                    ED_SCROLLBUTTON_ID_AREA_LEFT :
1620                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
1621
1622         event_mask |= GD_EVENT_RELEASED;
1623
1624         if (j == 1)
1625           xpos += 2 * ED_GADGET_DISTANCE;
1626         ypos += ED_GADGET_DISTANCE;
1627
1628         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].xpos;
1629         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
1630         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].ypos;
1631         x_size = ED_SCROLLBUTTON_XSIZE;
1632         y_size = ED_SCROLLBUTTON_YSIZE;
1633       }
1634       else
1635       {
1636         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
1637         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
1638         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
1639         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
1640         x_size = ED_BUTTON_COUNT_XSIZE;
1641         y_size = ED_BUTTON_COUNT_YSIZE;
1642       }
1643
1644       sprintf(infotext, "%s counter value by 1, 5 or 10",
1645               (j == 0 ? "decrease" : "increase"));
1646
1647       gi = CreateGadget(GDI_CUSTOM_ID, id,
1648                         GDI_CUSTOM_TYPE_ID, i,
1649                         GDI_INFO_TEXT, infotext,
1650                         GDI_X, xpos,
1651                         GDI_Y, ypos,
1652                         GDI_WIDTH, x_size,
1653                         GDI_HEIGHT, y_size,
1654                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1655                         GDI_STATE, GD_BUTTON_UNPRESSED,
1656                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
1657                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
1658                         GDI_EVENT_MASK, event_mask,
1659                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1660                         GDI_CALLBACK_ACTION, HandleCounterButtons,
1661                         GDI_END);
1662
1663       if (gi == NULL)
1664         Error(ERR_EXIT, "cannot create gadget");
1665
1666       level_editor_gadget[id] = gi;
1667       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
1668
1669       if (j == 0)
1670       {
1671         int font_type = FC_YELLOW;
1672         int gd_width = ED_WIN_COUNT_XSIZE;
1673
1674         id = counterbutton_info[i].gadget_id_text;
1675         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
1676
1677         if (i == ED_COUNTER_ID_SELECT_LEVEL)
1678         {
1679           font_type = FC_SPECIAL3;
1680
1681           xpos += 2 * ED_GADGET_DISTANCE;
1682           ypos -= ED_GADGET_DISTANCE;
1683
1684           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
1685           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
1686           gd_width = ED_WIN_COUNT2_XSIZE;
1687         }
1688         else
1689         {
1690           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
1691           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
1692         }
1693
1694         gi = CreateGadget(GDI_CUSTOM_ID, id,
1695                           GDI_CUSTOM_TYPE_ID, i,
1696                           GDI_INFO_TEXT, "enter counter value",
1697                           GDI_X, xpos,
1698                           GDI_Y, ypos,
1699                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
1700                           GDI_NUMBER_VALUE, 0,
1701                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
1702                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
1703                           GDI_TEXT_SIZE, 3,
1704                           GDI_TEXT_FONT, font_type,
1705                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
1706                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
1707                           GDI_BORDER_SIZE, ED_BORDER_SIZE,
1708                           GDI_TEXTINPUT_DESIGN_WIDTH, gd_width,
1709                           GDI_EVENT_MASK, event_mask,
1710                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1711                           GDI_CALLBACK_ACTION, HandleCounterButtons,
1712                           GDI_END);
1713
1714         if (gi == NULL)
1715           Error(ERR_EXIT, "cannot create gadget");
1716
1717         level_editor_gadget[id] = gi;
1718         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
1719       }
1720     }
1721   }
1722 }
1723
1724 static void CreateDrawingAreas()
1725 {
1726   struct GadgetInfo *gi;
1727   unsigned long event_mask;
1728   int id;
1729   int i;
1730
1731   event_mask =
1732     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
1733     GD_EVENT_OFF_BORDERS;
1734
1735   /* one for the level drawing area ... */
1736   id = GADGET_ID_DRAWING_LEVEL;
1737   gi = CreateGadget(GDI_CUSTOM_ID, id,
1738                     GDI_X, SX,
1739                     GDI_Y, SY,
1740                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
1741                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
1742                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
1743                     GDI_EVENT_MASK, event_mask,
1744                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
1745                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
1746                     GDI_END);
1747
1748   if (gi == NULL)
1749     Error(ERR_EXIT, "cannot create gadget");
1750
1751   level_editor_gadget[id] = gi;
1752
1753   /* ... up to eight areas for element content ... */
1754   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
1755   {
1756     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
1757     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
1758
1759     id = GADGET_ID_ELEM_CONTENT_0 + i;
1760     gi = CreateGadget(GDI_CUSTOM_ID, id,
1761                       GDI_CUSTOM_TYPE_ID, i,
1762                       GDI_X, gx,
1763                       GDI_Y, gy,
1764                       GDI_WIDTH, 3 * MINI_TILEX,
1765                       GDI_HEIGHT, 3 * MINI_TILEY,
1766                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
1767                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
1768                       GDI_EVENT_MASK, event_mask,
1769                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
1770                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
1771                       GDI_END);
1772
1773     if (gi == NULL)
1774       Error(ERR_EXIT, "cannot create gadget");
1775
1776     level_editor_gadget[id] = gi;
1777   }
1778
1779   /* ... one for the amoeba content */
1780   id = GADGET_ID_AMOEBA_CONTENT;
1781   gi = CreateGadget(GDI_CUSTOM_ID, id,
1782                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
1783                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
1784                     GDI_WIDTH, MINI_TILEX,
1785                     GDI_HEIGHT, MINI_TILEY,
1786                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
1787                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
1788                     GDI_EVENT_MASK, event_mask,
1789                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
1790                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
1791                     GDI_END);
1792
1793   if (gi == NULL)
1794     Error(ERR_EXIT, "cannot create gadget");
1795
1796   level_editor_gadget[id] = gi;
1797
1798   /* ... and one for random placement background restrictions */
1799
1800   id = GADGET_ID_RANDOM_BACKGROUND;
1801   gi = CreateGadget(GDI_CUSTOM_ID, id,
1802                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
1803                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
1804                     GDI_WIDTH, MINI_TILEX,
1805                     GDI_HEIGHT, MINI_TILEY,
1806                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
1807                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
1808                     GDI_EVENT_MASK, event_mask,
1809                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
1810                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
1811                     GDI_END);
1812
1813   if (gi == NULL)
1814     Error(ERR_EXIT, "cannot create gadget");
1815
1816   level_editor_gadget[id] = gi;
1817 }
1818
1819 static void CreateTextInputGadgets()
1820 {
1821   int i;
1822
1823   for (i=0; i<ED_NUM_TEXTINPUT; i++)
1824   {
1825     Bitmap *gd_bitmap = new_graphic_info[IMG_MENU_DOOR].bitmap;
1826     int gd_x, gd_y;
1827     struct GadgetInfo *gi;
1828     unsigned long event_mask;
1829     char infotext[1024];
1830     int id = textinput_info[i].gadget_id;
1831
1832     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
1833
1834     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
1835     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
1836
1837     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
1838     infotext[MAX_INFOTEXT_LEN] = '\0';
1839
1840     gi = CreateGadget(GDI_CUSTOM_ID, id,
1841                       GDI_CUSTOM_TYPE_ID, i,
1842                       GDI_INFO_TEXT, infotext,
1843                       GDI_X, SX + textinput_info[i].x,
1844                       GDI_Y, SY + textinput_info[i].y,
1845                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
1846                       GDI_TEXT_VALUE, textinput_info[i].value,
1847                       GDI_TEXT_SIZE, textinput_info[i].size,
1848                       GDI_TEXT_FONT, FC_YELLOW,
1849                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
1850                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
1851                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
1852                       GDI_TEXTINPUT_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
1853                       GDI_EVENT_MASK, event_mask,
1854                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1855                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
1856                       GDI_END);
1857
1858     if (gi == NULL)
1859       Error(ERR_EXIT, "cannot create gadget");
1860
1861     level_editor_gadget[id] = gi;
1862   }
1863 }
1864
1865 static void CreateScrollbarGadgets()
1866 {
1867   int i;
1868
1869   for (i=0; i<ED_NUM_SCROLLBARS; i++)
1870   {
1871     int id = scrollbar_info[i].gadget_id;
1872     Bitmap *gd_bitmap = new_graphic_info[IMG_MENU_DOOR].bitmap;
1873     int gd_x1, gd_x2, gd_y1, gd_y2;
1874     struct GadgetInfo *gi;
1875     int items_max, items_visible, item_position;
1876     unsigned long event_mask;
1877
1878     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
1879     {
1880       items_max = elements_in_list / ED_ELEMENTLIST_BUTTONS_HORIZ;
1881       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
1882       item_position = 0;
1883     }
1884     else        /* drawing area scrollbars */
1885     {
1886       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
1887       {
1888         items_max = MAX(lev_fieldx + 2, ed_fieldx);
1889         items_visible = ed_fieldx;
1890         item_position = 0;
1891       }
1892       else
1893       {
1894         items_max = MAX(lev_fieldy + 2, ed_fieldy);
1895         items_visible = ed_fieldy;
1896         item_position = 0;
1897       }
1898     }
1899
1900     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
1901
1902     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].xpos;
1903     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
1904                       scrollbar_info[i].height : scrollbar_info[i].width));
1905     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
1906     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
1907
1908     gi = CreateGadget(GDI_CUSTOM_ID, id,
1909                       GDI_CUSTOM_TYPE_ID, i,
1910                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
1911                       GDI_X, scrollbar_info[i].x,
1912                       GDI_Y, scrollbar_info[i].y,
1913                       GDI_WIDTH, scrollbar_info[i].width,
1914                       GDI_HEIGHT, scrollbar_info[i].height,
1915                       GDI_TYPE, scrollbar_info[i].type,
1916                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
1917                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1918                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
1919                       GDI_STATE, GD_BUTTON_UNPRESSED,
1920                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
1921                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
1922                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
1923                       GDI_EVENT_MASK, event_mask,
1924                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1925                       GDI_CALLBACK_ACTION, HandleControlButtons,
1926                       GDI_END);
1927
1928     if (gi == NULL)
1929       Error(ERR_EXIT, "cannot create gadget");
1930
1931     level_editor_gadget[id] = gi;
1932   }
1933 }
1934
1935 static void CreateCheckbuttonGadgets()
1936 {
1937   Bitmap *gd_bitmap = new_graphic_info[IMG_MENU_DOOR].bitmap;
1938   struct GadgetInfo *gi;
1939   unsigned long event_mask;
1940   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
1941   boolean checked;
1942   int i;
1943
1944   event_mask = GD_EVENT_PRESSED;
1945
1946   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
1947   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
1948   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
1949   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
1950   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
1951
1952   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
1953   {
1954     int id = radiobutton_info[i].gadget_id;
1955
1956     checked =
1957       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
1958
1959     gi = CreateGadget(GDI_CUSTOM_ID, id,
1960                       GDI_CUSTOM_TYPE_ID, i,
1961                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
1962                       GDI_X, SX + radiobutton_info[i].x,
1963                       GDI_Y, SY + radiobutton_info[i].y,
1964                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
1965                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
1966                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
1967                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
1968                       GDI_CHECKED, checked,
1969                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
1970                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
1971                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
1972                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
1973                       GDI_EVENT_MASK, event_mask,
1974                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1975                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
1976                       GDI_END);
1977
1978     if (gi == NULL)
1979       Error(ERR_EXIT, "cannot create gadget");
1980
1981     level_editor_gadget[id] = gi;
1982   }
1983
1984   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
1985   {
1986     int id = checkbutton_info[i].gadget_id;
1987
1988     if (id == GADGET_ID_STICK_ELEMENT)
1989       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
1990     else
1991       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
1992
1993     gi = CreateGadget(GDI_CUSTOM_ID, id,
1994                       GDI_CUSTOM_TYPE_ID, i,
1995                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
1996                       GDI_X, SX + checkbutton_info[i].x,
1997                       GDI_Y, SY + checkbutton_info[i].y,
1998                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
1999                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2000                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
2001                       GDI_CHECKED, *checkbutton_info[i].value,
2002                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2003                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2004                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2005                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2006                       GDI_EVENT_MASK, event_mask,
2007                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2008                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
2009                       GDI_END);
2010
2011     if (gi == NULL)
2012       Error(ERR_EXIT, "cannot create gadget");
2013
2014     level_editor_gadget[id] = gi;
2015   }
2016 }
2017
2018 void CreateLevelEditorGadgets()
2019 {
2020   CreateControlButtons();
2021   CreateCounterButtons();
2022   CreateDrawingAreas();
2023   CreateTextInputGadgets();
2024   CreateScrollbarGadgets();
2025   CreateCheckbuttonGadgets();
2026 }
2027
2028 static void MapCounterButtons(int id)
2029 {
2030   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
2031   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
2032   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
2033 }
2034
2035 static void MapControlButtons()
2036 {
2037   int counter_id;
2038   int i;
2039
2040   /* map toolbox buttons */
2041   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2042     MapGadget(level_editor_gadget[i]);
2043
2044   /* map buttons to select elements */
2045   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2046     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
2047   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
2048   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
2049   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
2050
2051   /* map buttons to select level */
2052   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
2053   ModifyEditorCounterLimits(counter_id,
2054                             leveldir_current->first_level,
2055                             leveldir_current->last_level);
2056   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2057   MapCounterButtons(counter_id);
2058 }
2059
2060 static void MapDrawingArea(int id)
2061 {
2062   MapGadget(level_editor_gadget[id]);
2063 }
2064
2065 static void MapTextInputGadget(int id)
2066 {
2067   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
2068 }
2069
2070 static void MapRadiobuttonGadget(int id)
2071 {
2072   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
2073 }
2074
2075 static void MapCheckbuttonGadget(int id)
2076 {
2077   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
2078 }
2079
2080 static void MapMainDrawingArea()
2081 {
2082   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
2083   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
2084   int i;
2085
2086   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
2087   {
2088     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
2089           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
2090          no_horizontal_scrollbar) ||
2091         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
2092           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
2093          no_vertical_scrollbar))
2094       continue;
2095
2096     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
2097   }
2098
2099   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
2100   {
2101     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
2102         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
2103       continue;
2104
2105     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
2106   }
2107
2108   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
2109 }
2110
2111 static void UnmapDrawingArea(int id)
2112 {
2113   UnmapGadget(level_editor_gadget[id]);
2114 }
2115
2116 void UnmapLevelEditorWindowGadgets()
2117 {
2118   int i;
2119
2120   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2121     if (level_editor_gadget[i]->x < SX + SXSIZE)
2122       UnmapGadget(level_editor_gadget[i]);
2123 }
2124
2125 void UnmapLevelEditorGadgets()
2126 {
2127   int i;
2128
2129   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2130     UnmapGadget(level_editor_gadget[i]);
2131 }
2132
2133 static void ResetUndoBuffer()
2134 {
2135   undo_buffer_position = -1;
2136   undo_buffer_steps = -1;
2137   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
2138 }
2139
2140 static void DrawEditModeWindow()
2141 {
2142   if (edit_mode == ED_MODE_INFO)
2143     DrawLevelInfoWindow();
2144   else if (edit_mode == ED_MODE_PROPERTIES)
2145     DrawPropertiesWindow();
2146   else  /* edit_mode == ED_MODE_DRAWING */
2147     DrawDrawingWindow();
2148 }
2149
2150 static boolean LevelChanged()
2151 {
2152   boolean level_changed = FALSE;
2153   int x, y;
2154
2155   for(y=0; y<lev_fieldy; y++)
2156     for(x=0; x<lev_fieldx; x++)
2157       if (Feld[x][y] != Ur[x][y])
2158         level_changed = TRUE;
2159
2160   return level_changed;
2161 }
2162
2163 static boolean LevelContainsPlayer()
2164 {
2165   boolean player_found = FALSE;
2166   int x, y;
2167
2168   for(y=0; y<lev_fieldy; y++)
2169     for(x=0; x<lev_fieldx; x++)
2170       if (Feld[x][y] == EL_PLAYER1 ||
2171           Feld[x][y] == EL_SP_MURPHY)
2172         player_found = TRUE;
2173
2174   return player_found;
2175 }
2176
2177 void DrawLevelEd()
2178 {
2179   CloseDoor(DOOR_CLOSE_ALL);
2180   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
2181
2182   if (level_editor_test_game)
2183   {
2184     int x, y;
2185
2186     for(x=0; x<lev_fieldx; x++)
2187       for(y=0; y<lev_fieldy; y++)
2188         Feld[x][y] = Ur[x][y];
2189
2190     for(x=0; x<lev_fieldx; x++)
2191       for(y=0; y<lev_fieldy; y++)
2192         Ur[x][y] = FieldBackup[x][y];
2193
2194     level_editor_test_game = FALSE;
2195   }
2196   else
2197   {
2198     edit_mode = ED_MODE_DRAWING;
2199
2200     ResetUndoBuffer();
2201     level_xpos = -1;
2202     level_ypos = -1;
2203   }
2204
2205   /* copy default editor door content to main double buffer */
2206   BlitBitmap(new_graphic_info[IMG_MENU_DOOR].bitmap, drawto,
2207              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
2208
2209   /* draw mouse button brush elements */
2210   DrawMiniGraphicExt(drawto,
2211                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
2212                      el2img(new_element1));
2213   DrawMiniGraphicExt(drawto,
2214                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
2215                      el2img(new_element2));
2216   DrawMiniGraphicExt(drawto,
2217                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
2218                      el2img(new_element3));
2219
2220   /* draw bigger door */
2221   DrawSpecialEditorDoor();
2222
2223   /* draw new control window */
2224   BlitBitmap(new_graphic_info[IMG_MENU_DOOR].bitmap, drawto,
2225              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
2226
2227   redraw_mask |= REDRAW_ALL;
2228
2229   MapControlButtons();
2230
2231   /* copy actual editor door content to door double buffer for OpenDoor() */
2232   BlitBitmap(drawto, bitmap_db_door,
2233              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
2234
2235   DrawEditModeWindow();
2236
2237   /*
2238   FadeToFront();
2239   */
2240
2241
2242   OpenDoor(DOOR_OPEN_1);
2243
2244   /*
2245   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2);
2246   */
2247 }
2248
2249 static void AdjustDrawingAreaGadgets()
2250 {
2251   int ed_xsize = lev_fieldx + 2;
2252   int ed_ysize = lev_fieldy + 2;
2253   int max_ed_fieldx = MAX_ED_FIELDX;
2254   int max_ed_fieldy = MAX_ED_FIELDY;
2255   boolean horizontal_scrollbar_needed;
2256   boolean vertical_scrollbar_needed;
2257   int x, y, width, height;
2258   int xoffset, yoffset;
2259
2260   /* check if we need any scrollbars */
2261   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
2262   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
2263
2264   /* check if we have a smaller editor field because of scrollbars */
2265   if (horizontal_scrollbar_needed)
2266     max_ed_fieldy = MAX_ED_FIELDY - 1;
2267   if (vertical_scrollbar_needed)
2268     max_ed_fieldx = MAX_ED_FIELDX - 1;
2269
2270   /* check again if we now need more scrollbars because of less space */
2271   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
2272   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
2273
2274   /* check if editor field gets even smaller after adding new scrollbars */
2275   if (horizontal_scrollbar_needed)
2276     max_ed_fieldy = MAX_ED_FIELDY - 1;
2277   if (vertical_scrollbar_needed)
2278     max_ed_fieldx = MAX_ED_FIELDX - 1;
2279
2280   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
2281   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
2282
2283   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
2284                GDI_WIDTH, ed_fieldx * MINI_TILEX,
2285                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
2286                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2287                GDI_END);
2288
2289   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
2290   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
2291
2292   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
2293   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
2294
2295   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
2296   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
2297
2298   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
2299   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
2300
2301   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
2302                GDI_WIDTH, width,
2303                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
2304                GDI_END);
2305   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
2306                GDI_HEIGHT, height,
2307                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
2308                GDI_END);
2309 }
2310
2311 static void AdjustLevelScrollPosition()
2312 {
2313   if (level_xpos < -1)
2314     level_xpos = -1;
2315   if (level_xpos > lev_fieldx - ed_fieldx + 1)
2316     level_xpos = lev_fieldx - ed_fieldx + 1;
2317   if (lev_fieldx < ed_fieldx - 2)
2318     level_xpos = -1;
2319
2320   if (level_ypos < -1)
2321     level_ypos = -1;
2322   if (level_ypos > lev_fieldy - ed_fieldy + 1)
2323     level_ypos = lev_fieldy - ed_fieldy + 1;
2324   if (lev_fieldy < ed_fieldy - 2)
2325     level_ypos = -1;
2326 }
2327
2328 static void AdjustEditorScrollbar(int id)
2329 {
2330   struct GadgetInfo *gi = level_editor_gadget[id];
2331   int items_max, items_visible, item_position;
2332
2333   if (id == GADGET_ID_SCROLL_HORIZONTAL)
2334   {
2335     items_max = MAX(lev_fieldx + 2, ed_fieldx);
2336     items_visible = ed_fieldx;
2337     item_position = level_xpos + 1;
2338   }
2339   else
2340   {
2341     items_max = MAX(lev_fieldy + 2, ed_fieldy);
2342     items_visible = ed_fieldy;
2343     item_position = level_ypos + 1;
2344   }
2345
2346   if (item_position > items_max - items_visible)
2347     item_position = items_max - items_visible;
2348
2349   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
2350                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
2351 }
2352
2353 static void ModifyEditorTextInput(int textinput_id, char *new_text)
2354 {
2355   int gadget_id = textinput_info[textinput_id].gadget_id;
2356   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2357
2358   ModifyGadget(gi, GDI_TEXT_VALUE, new_text, GDI_END);
2359 }
2360
2361 static void ModifyEditorCounter(int counter_id, int new_value)
2362 {
2363   int *counter_value = counterbutton_info[counter_id].value;
2364   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
2365   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2366
2367   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
2368
2369   if (counter_value != NULL)
2370     *counter_value = gi->text.number_value;
2371 }
2372
2373 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
2374 {
2375   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
2376   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2377
2378   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
2379 }
2380
2381 static void PickDrawingElement(int button, int element)
2382 {
2383   if (button < 1 || button > 3)
2384     return;
2385
2386   if (button == 1)
2387   {
2388     new_element1 = element;
2389     DrawMiniGraphicExt(drawto,
2390                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
2391                        el2img(new_element1));
2392   }
2393   else if (button == 2)
2394   {
2395     new_element2 = element;
2396     DrawMiniGraphicExt(drawto,
2397                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
2398                        el2img(new_element2));
2399   }
2400   else
2401   {
2402     new_element3 = element;
2403     DrawMiniGraphicExt(drawto,
2404                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
2405                        el2img(new_element3));
2406   }
2407
2408   redraw_mask |= REDRAW_DOOR_1;
2409 }
2410
2411 static void DrawDrawingWindow()
2412 {
2413   ClearWindow();
2414   UnmapLevelEditorWindowGadgets();
2415   AdjustDrawingAreaGadgets();
2416   AdjustLevelScrollPosition();
2417   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
2418   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
2419   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
2420   MapMainDrawingArea();
2421 }
2422
2423 static void DrawRandomPlacementBackgroundArea()
2424 {
2425   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
2426   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
2427   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
2428   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
2429   int x, y;
2430
2431   ElementContent[0][0][0] = random_placement_background_element;
2432
2433   /* draw decorative border for the object */
2434   for (y=0; y<2; y++)
2435     for (x=0; x<2; x++)
2436       DrawMiniElement(area_x + x, area_y + y, EL_SAND);
2437
2438   ClearRectangle(drawto,
2439                  area_sx + MINI_TILEX/2 - 1, area_sy + MINI_TILEY/2 - 1,
2440                  MINI_TILEX + 2, MINI_TILEY + 2);
2441
2442   /* copy border to the right location */
2443   BlitBitmap(drawto, drawto,
2444              area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY,
2445              area_sx - MINI_TILEX/2, area_sy - MINI_TILEY/2);
2446
2447   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
2448
2449   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
2450 }
2451
2452 static void DrawLevelInfoWindow()
2453 {
2454   char infotext[1024];
2455   int xoffset_above = 0;
2456   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
2457   int xoffset_right = counter_xsize;
2458   int yoffset_right = ED_BORDER_SIZE;
2459   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
2460   int yoffset_right2 = ED_BORDER_SIZE;
2461   int font_color = FC_GREEN;
2462   int i, x, y;
2463
2464   ClearWindow();
2465   UnmapLevelEditorWindowGadgets();
2466
2467   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
2468            "Level Settings", FS_BIG, FC_YELLOW);
2469   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
2470            "Editor Settings", FS_BIG, FC_YELLOW);
2471
2472   /* draw counter gadgets */
2473   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
2474   {
2475     if (counterbutton_info[i].infotext_above)
2476     {
2477       x = counterbutton_info[i].x + xoffset_above;
2478       y = counterbutton_info[i].y + yoffset_above;
2479
2480       sprintf(infotext, "%s:", counterbutton_info[i].infotext_above);
2481       infotext[MAX_INFOTEXT_LEN] = '\0';
2482       DrawTextF(x, y, font_color, infotext);
2483     }
2484
2485     if (counterbutton_info[i].infotext_right)
2486     {
2487       x = counterbutton_info[i].x + xoffset_right;
2488       y = counterbutton_info[i].y + yoffset_right;
2489
2490       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
2491       infotext[MAX_INFOTEXT_LEN] = '\0';
2492       DrawTextF(x, y, font_color, infotext);
2493     }
2494
2495     ModifyEditorCounter(i, *counterbutton_info[i].value);
2496     MapCounterButtons(i);
2497   }
2498
2499   /* draw text input gadgets */
2500   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
2501   {
2502     x = textinput_info[i].x + xoffset_above;
2503     y = textinput_info[i].y + yoffset_above;
2504
2505     sprintf(infotext, "%s:", textinput_info[i].infotext);
2506     infotext[MAX_INFOTEXT_LEN] = '\0';
2507
2508     DrawTextF(x, y, font_color, infotext);
2509     ModifyEditorTextInput(i, textinput_info[i].value);
2510     MapTextInputGadget(i);
2511   }
2512
2513   /* draw radiobutton gadgets */
2514   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
2515   {
2516     boolean checked =
2517       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2518
2519     x = radiobutton_info[i].x + xoffset_right2;
2520     y = radiobutton_info[i].y + yoffset_right2;
2521
2522     DrawTextF(x, y, font_color, radiobutton_info[i].text);
2523     ModifyGadget(level_editor_gadget[radiobutton_info[i].gadget_id],
2524                  GDI_CHECKED, checked, GDI_END);
2525     MapRadiobuttonGadget(i);
2526   }
2527
2528   /* draw checkbutton gadgets */
2529   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
2530   {
2531     x = checkbutton_info[i].x + xoffset_right2;
2532     y = checkbutton_info[i].y + yoffset_right2;
2533
2534     DrawTextF(x, y, font_color, checkbutton_info[i].text);
2535     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
2536                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
2537     MapCheckbuttonGadget(i);
2538   }
2539
2540   /* draw drawing area */
2541   DrawRandomPlacementBackgroundArea();
2542 }
2543
2544 static void DrawAmoebaContentArea()
2545 {
2546   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
2547   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
2548   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
2549   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
2550   int font_color = FC_GREEN;
2551   int x, y;
2552
2553   ElementContent[0][0][0] = level.amoeba_content;
2554
2555   /* draw decorative border for the object */
2556   for (y=0; y<2; y++)
2557     for (x=0; x<2; x++)
2558       DrawMiniElement(area_x + x, area_y + y, EL_SAND);
2559
2560   ClearRectangle(drawto,
2561                  area_sx + MINI_TILEX/2 - 1, area_sy + MINI_TILEY/2 - 1,
2562                  MINI_TILEX + 2, MINI_TILEY + 2);
2563
2564   /* copy border to the right location */
2565   BlitBitmap(drawto, drawto,
2566              area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY,
2567              area_sx - MINI_TILEX/2, area_sy - MINI_TILEY/2);
2568
2569   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba",
2570            FS_SMALL, font_color);
2571
2572   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
2573
2574   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
2575 }
2576
2577 static void DrawElementContentAreas()
2578 {
2579   int counter_id = ED_COUNTER_ID_ELEM_CONTENT;
2580   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
2581   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
2582   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
2583   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
2584   int xoffset_right = counter_xsize;
2585   int yoffset_right = ED_BORDER_SIZE;
2586   int font_color = FC_GREEN;
2587   int i, x, y;
2588
2589   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2590     for (y=0; y<3; y++)
2591       for (x=0; x<3; x++)
2592         ElementContent[i][x][y] = level.yam_content[i][x][y];
2593
2594   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2595     UnmapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
2596
2597   /* display counter to choose number of element content areas */
2598   x = counterbutton_info[counter_id].x + xoffset_right;
2599   y = counterbutton_info[counter_id].y + yoffset_right;
2600   DrawTextF(x, y, font_color, "number of content areas");
2601
2602   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2603   MapCounterButtons(counter_id);
2604
2605   /* delete content areas in case of reducing number of them */
2606   ClearRectangle(backbuffer,
2607                  SX, area_sy - MINI_TILEX,
2608                  SXSIZE, 12 * MINI_TILEY);
2609
2610   /* draw some decorative border for the objects */
2611   for (i=0; i<level.num_yam_contents; i++)
2612   {
2613     for (y=0; y<4; y++)
2614       for (x=0; x<4; x++)
2615         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
2616                         EL_SAND);
2617
2618     ClearRectangle(drawto,
2619                    area_sx + 5 * (i % 4) * MINI_TILEX + MINI_TILEX/2 - 1,
2620                    area_sy + 6 * (i / 4) * MINI_TILEY + MINI_TILEY/2 - 1,
2621                    3 * MINI_TILEX + 2, 3 * MINI_TILEY + 2);
2622   }
2623
2624   /* copy border to the right location */
2625   BlitBitmap(drawto, drawto,
2626              area_sx, area_sy, (5 * 4 + 1) * MINI_TILEX, 11 * MINI_TILEY,
2627              area_sx - MINI_TILEX/2, area_sy - MINI_TILEY/2);
2628
2629   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
2630            "Content", FS_SMALL, font_color);
2631   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
2632            "when", FS_SMALL, font_color);
2633   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
2634            "smashed", FS_SMALL, font_color);
2635
2636   for (i=0; i<level.num_yam_contents; i++)
2637   {
2638     for (y=0; y<3; y++)
2639       for (x=0; x<3; x++)
2640         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
2641                         ElementContent[i][x][y]);
2642
2643     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
2644               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
2645               font_color, "%d", i + 1);
2646   }
2647
2648   for (i=0; i<level.num_yam_contents; i++)
2649     MapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
2650 }
2651
2652 #define TEXT_COLLECTING         "Score for collecting"
2653 #define TEXT_SMASHING           "Score for smashing"
2654 #define TEXT_CRACKING           "Score for cracking"
2655 #define TEXT_SPEED              "Speed of amoeba growth"
2656 #define TEXT_DURATION           "Duration when activated"
2657
2658 static void DrawPropertiesWindow()
2659 {
2660   int counter_id = ED_COUNTER_ID_ELEM_SCORE;
2661   int num_elements_in_level;
2662   float percentage;
2663   int xoffset_right = counter_xsize;
2664   int yoffset_right = ED_BORDER_SIZE;
2665   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
2666   int yoffset_right2 = ED_BORDER_SIZE;
2667   int xstart = 2;
2668   int ystart = 4;
2669   int font_color = FC_GREEN;
2670   int i, x, y;
2671   static struct
2672   {
2673     int element;
2674     int *value;
2675     char *text;
2676   } elements_with_counter[] =
2677   {
2678     { EL_EMERALD,       &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2679     { EL_BD_DIAMOND,    &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2680     { EL_EMERALD_YELLOW,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2681     { EL_EMERALD_RED,   &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2682     { EL_EMERALD_PURPLE,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2683     { EL_DIAMOND,       &level.score[SC_DIAMANT],       TEXT_COLLECTING },
2684     { EL_BUG_RIGHT,     &level.score[SC_KAEFER],        TEXT_SMASHING },
2685     { EL_BUG_UP,        &level.score[SC_KAEFER],        TEXT_SMASHING },
2686     { EL_BUG_LEFT,      &level.score[SC_KAEFER],        TEXT_SMASHING },
2687     { EL_BUG_DOWN,      &level.score[SC_KAEFER],        TEXT_SMASHING },
2688     { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_KAEFER],    TEXT_SMASHING },
2689     { EL_BD_BUTTERFLY_UP,   &level.score[SC_KAEFER],    TEXT_SMASHING },
2690     { EL_BD_BUTTERFLY_LEFT, &level.score[SC_KAEFER],    TEXT_SMASHING },
2691     { EL_BD_BUTTERFLY_DOWN, &level.score[SC_KAEFER],    TEXT_SMASHING },
2692     { EL_SPACESHIP_RIGHT,&level.score[SC_FLIEGER],      TEXT_SMASHING },
2693     { EL_SPACESHIP_UP,   &level.score[SC_FLIEGER],      TEXT_SMASHING },
2694     { EL_SPACESHIP_LEFT, &level.score[SC_FLIEGER],      TEXT_SMASHING },
2695     { EL_SPACESHIP_DOWN, &level.score[SC_FLIEGER],      TEXT_SMASHING },
2696     { EL_BD_FIREFLY_RIGHT,&level.score[SC_FLIEGER],     TEXT_SMASHING },
2697     { EL_BD_FIREFLY_UP,   &level.score[SC_FLIEGER],     TEXT_SMASHING },
2698     { EL_BD_FIREFLY_LEFT, &level.score[SC_FLIEGER],     TEXT_SMASHING },
2699     { EL_BD_FIREFLY_DOWN, &level.score[SC_FLIEGER],     TEXT_SMASHING },
2700     { EL_YAMYAM,        &level.score[SC_MAMPFER],       TEXT_SMASHING },
2701     { EL_DARK_YAMYAM,   &level.score[SC_MAMPFER],       TEXT_SMASHING },
2702     { EL_ROBOT,         &level.score[SC_ROBOT],         TEXT_SMASHING },
2703     { EL_PACMAN_RIGHT,  &level.score[SC_PACMAN],        TEXT_SMASHING },
2704     { EL_PACMAN_UP,     &level.score[SC_PACMAN],        TEXT_SMASHING },
2705     { EL_PACMAN_LEFT,   &level.score[SC_PACMAN],        TEXT_SMASHING },
2706     { EL_PACMAN_DOWN,   &level.score[SC_PACMAN],        TEXT_SMASHING },
2707     { EL_NUT,           &level.score[SC_KOKOSNUSS],     TEXT_CRACKING },
2708     { EL_DYNAMITE       ,&level.score[SC_DYNAMIT],      TEXT_COLLECTING },
2709     { EL_KEY1,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2710     { EL_KEY2,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2711     { EL_KEY3,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2712     { EL_KEY4,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2713     { EL_EM_KEY1_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2714     { EL_EM_KEY2_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2715     { EL_EM_KEY3_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2716     { EL_EM_KEY4_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2717     { EL_AMOEBA_WET,    &level.amoeba_speed,            TEXT_SPEED },
2718     { EL_AMOEBA_DRY,    &level.amoeba_speed,            TEXT_SPEED },
2719     { EL_AMOEBA_FULL,   &level.amoeba_speed,            TEXT_SPEED },
2720     { EL_BD_AMOEBA,     &level.amoeba_speed,            TEXT_SPEED },
2721     { EL_MAGIC_WALL,    &level.time_magic_wall,         TEXT_DURATION },
2722     { EL_ROBOT_WHEEL,   &level.time_wheel,              TEXT_DURATION },
2723     { -1, NULL, NULL }
2724   };
2725
2726   ClearWindow();
2727   UnmapLevelEditorWindowGadgets();
2728
2729   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
2730            "Element Settings", FS_BIG, FC_YELLOW);
2731
2732   /* draw some decorative border for the object */
2733   for (y=0; y<3; y++)
2734     for (x=0; x<3; x++)
2735       DrawMiniElement(xstart + x , ystart + y, EL_SAND);
2736
2737   ClearRectangle(drawto,
2738                  SX + xstart * MINI_TILEX + MINI_TILEX/2 - 1,
2739                  SY + ystart * MINI_TILEY + MINI_TILEY/2 - 1,
2740                  TILEX + 2, TILEY + 2);
2741
2742   /* copy border to the right location */
2743   BlitBitmap(drawto, drawto,
2744              SX + xstart * MINI_TILEX,
2745              SY + ystart * MINI_TILEY,
2746              2 * TILEX, 2 * TILEY,
2747              SX + xstart * MINI_TILEX - MINI_TILEX/2,
2748              SY + ystart * MINI_TILEY - MINI_TILEY/2);
2749
2750   DrawGraphic(xstart / 2, ystart / 2, el2img(properties_element), 0);
2751
2752   /* copy the whole stuff to the definitive location */
2753   BlitBitmap(drawto, drawto,
2754              SX + xstart * MINI_TILEX - MINI_TILEX/2,
2755              SY + ystart * MINI_TILEY - MINI_TILEY,
2756              2 * TILEX, 2 * TILEY,
2757              SX + xstart * MINI_TILEX - MINI_TILEX/2,
2758              SY + ystart * MINI_TILEY - MINI_TILEY/2);
2759
2760   DrawTextF((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
2761             font_color, getElementInfoText(properties_element));
2762
2763   num_elements_in_level = 0;
2764   for (y=0; y<lev_fieldy; y++)
2765     for (x=0; x<lev_fieldx; x++)
2766       if (Feld[x][y] == properties_element)
2767         num_elements_in_level++;
2768   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
2769
2770   DrawTextF(ED_SETTINGS_XPOS, 5 * TILEY, font_color, "In this level:");
2771   DrawTextF(ED_SETTINGS_XPOS + 15 * FONT2_XSIZE, 5 * TILEY, FC_YELLOW,
2772             "%d (%.2f%%)", num_elements_in_level, percentage);
2773
2774   /* check if there are elements where a score can be chosen for */
2775   for (i=0; elements_with_counter[i].element != -1; i++)
2776   {
2777     if (elements_with_counter[i].element == properties_element)
2778     {
2779       int x = counterbutton_info[counter_id].x + xoffset_right;
2780       int y = counterbutton_info[counter_id].y + yoffset_right;
2781
2782       counterbutton_info[counter_id].value = elements_with_counter[i].value;
2783       DrawTextF(x, y, font_color, elements_with_counter[i].text);
2784
2785       ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
2786       MapCounterButtons(counter_id);
2787       break;
2788     }
2789   }
2790
2791   if (HAS_CONTENT(properties_element))
2792   {
2793     /* draw stickybutton gadget */
2794     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
2795     x = checkbutton_info[i].x + xoffset_right2;
2796     y = checkbutton_info[i].y + yoffset_right2;
2797
2798     DrawTextF(x, y, font_color, checkbutton_info[i].text);
2799     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
2800                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
2801     MapCheckbuttonGadget(i);
2802
2803     if (IS_AMOEBOID(properties_element))
2804       DrawAmoebaContentArea();
2805     else
2806       DrawElementContentAreas();
2807   }
2808
2809   if (IS_GEM(properties_element))
2810   {
2811     /* draw checkbutton gadget */
2812     i = ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS;
2813     x = checkbutton_info[i].x + xoffset_right2;
2814     y = checkbutton_info[i].y + yoffset_right2;
2815
2816     DrawTextF(x, y, font_color, checkbutton_info[i].text);
2817     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
2818                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
2819     MapCheckbuttonGadget(i);
2820   }
2821 }
2822
2823 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
2824 {
2825   int lx = sx + level_xpos;
2826   int ly = sy + level_ypos;
2827
2828   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
2829
2830   if (change_level)
2831     Feld[lx][ly] = element;
2832 }
2833
2834 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
2835                      int element, boolean change_level)
2836 {
2837   if (from_y == to_y)                   /* horizontal line */
2838   {
2839     int x;
2840     int y = from_y;
2841
2842     if (from_x > to_x)
2843       swap_numbers(&from_x, &to_x);
2844
2845     for (x=from_x; x<=to_x; x++)
2846       DrawLineElement(x, y, element, change_level);
2847   }
2848   else if (from_x == to_x)              /* vertical line */
2849   {
2850     int x = from_x;
2851     int y;
2852
2853     if (from_y > to_y)
2854       swap_numbers(&from_y, &to_y);
2855
2856     for (y=from_y; y<=to_y; y++)
2857       DrawLineElement(x, y, element, change_level);
2858   }
2859   else                                  /* diagonal line */
2860   {
2861     int len_x = ABS(to_x - from_x);
2862     int len_y = ABS(to_y - from_y);
2863     int x, y;
2864
2865     if (len_y < len_x)                  /* a < 1 */
2866     {
2867       float a = (float)len_y / (float)len_x;
2868
2869       if (from_x > to_x)
2870         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
2871
2872       for (x=0; x<=len_x; x++)
2873       {
2874         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
2875         DrawLineElement(from_x + x, from_y + y, element, change_level);
2876       }
2877     }
2878     else                                /* a >= 1 */
2879     {
2880       float a = (float)len_x / (float)len_y;
2881
2882       if (from_y > to_y)
2883         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
2884
2885       for (y=0; y<=len_y; y++)
2886       {
2887         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
2888         DrawLineElement(from_x + x, from_y + y, element, change_level);
2889       }
2890     }
2891   }
2892 }
2893
2894 static void DrawRectangle(int from_x, int from_y, int to_x, int to_y,
2895                           int element, boolean change_level)
2896 {
2897   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
2898   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
2899   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
2900   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
2901 }
2902
2903 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
2904                           int element, boolean change_level)
2905 {
2906   int y;
2907
2908   if (from_y > to_y)
2909     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
2910
2911   for (y=from_y; y<=to_y; y++)
2912     DrawLine(from_x, y, to_x, y, element, change_level);
2913 }
2914
2915 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
2916                        int element, boolean change_level)
2917 {
2918   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
2919   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
2920   int len_x = ABS(to_x - from_x);
2921   int len_y = ABS(to_y - from_y);
2922   int radius, x, y;
2923
2924   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
2925
2926   /* not optimal (some points get drawn twice) but simple,
2927      and fast enough for the few points we are drawing */
2928
2929   for (x=0; x<=radius; x++)
2930   {
2931     int sx, sy, lx, ly;
2932
2933     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
2934
2935     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
2936     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
2937     lx = sx + level_xpos;
2938     ly = sy + level_ypos;
2939
2940     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
2941       DrawLineElement(sx, sy, element, change_level);
2942   }
2943
2944   for (y=0; y<=radius; y++)
2945   {
2946     int sx, sy, lx, ly;
2947
2948     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
2949
2950     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
2951     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
2952     lx = sx + level_xpos;
2953     ly = sy + level_ypos;
2954
2955     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
2956       DrawLineElement(sx, sy, element, change_level);
2957   }
2958 }
2959
2960 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
2961                     int element, boolean change_level)
2962 {
2963   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
2964   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
2965
2966   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
2967 }
2968
2969 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
2970 #if DRAW_CIRCLES_BUTTON_AVAILABLE
2971 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
2972                        int element, boolean change_level)
2973 {
2974   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
2975   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
2976   int mirror_to_x2 = from_x - (to_x2 - from_x);
2977   int mirror_to_y2 = from_y - (to_y2 - from_y);
2978
2979   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
2980   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
2981   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
2982   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
2983 }
2984 #endif
2985
2986 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
2987 {
2988   int from_sx, from_sy;
2989   int to_sx, to_sy;
2990
2991   if (from_x > to_x)
2992     swap_numbers(&from_x, &to_x);
2993
2994   if (from_y > to_y)
2995     swap_numbers(&from_y, &to_y);
2996
2997   from_sx = SX + from_x * MINI_TILEX;
2998   from_sy = SY + from_y * MINI_TILEY;
2999   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
3000   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
3001
3002   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
3003   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
3004   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
3005   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
3006
3007   if (from_x == to_x && from_y == to_y)
3008     MarkTileDirty(from_x/2, from_y/2);
3009   else
3010     redraw_mask |= REDRAW_FIELD;
3011 }
3012
3013 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
3014                        int element, boolean change_level)
3015 {
3016   if (element == -1 || change_level)
3017     DrawRectangle(from_x, from_y, to_x, to_y, -1, FALSE);
3018   else
3019     DrawAreaBorder(from_x, from_y, to_x, to_y);
3020 }
3021
3022 /* values for CopyBrushExt() */
3023 #define CB_AREA_TO_BRUSH        0
3024 #define CB_BRUSH_TO_CURSOR      1
3025 #define CB_BRUSH_TO_LEVEL       2
3026 #define CB_DELETE_OLD_CURSOR    3
3027
3028 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
3029                          int button, int mode)
3030 {
3031   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
3032   static int brush_width, brush_height;
3033   static int last_cursor_x = -1, last_cursor_y = -1;
3034   static boolean delete_old_brush;
3035   int new_element = BUTTON_ELEMENT(button);
3036   int x, y;
3037
3038   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
3039     return;
3040
3041   if (mode == CB_AREA_TO_BRUSH)
3042   {
3043     int from_lx, from_ly;
3044
3045     if (from_x > to_x)
3046       swap_numbers(&from_x, &to_x);
3047
3048     if (from_y > to_y)
3049       swap_numbers(&from_y, &to_y);
3050
3051     brush_width = to_x - from_x + 1;
3052     brush_height = to_y - from_y + 1;
3053
3054     from_lx = from_x + level_xpos;
3055     from_ly = from_y + level_ypos;
3056
3057     for (y=0; y<brush_height; y++)
3058     {
3059       for (x=0; x<brush_width; x++)
3060       {
3061         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
3062
3063         if (button != 1)
3064           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
3065       }
3066     }
3067
3068     if (button != 1)
3069       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3070
3071     delete_old_brush = FALSE;
3072   }
3073   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
3074            mode == CB_BRUSH_TO_LEVEL)
3075   {
3076     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
3077     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
3078     int cursor_from_x = cursor_x - brush_width / 2;
3079     int cursor_from_y = cursor_y - brush_height / 2;
3080     int border_from_x = cursor_x, border_from_y = cursor_y;
3081     int border_to_x = cursor_x, border_to_y = cursor_y;
3082
3083     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
3084       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3085
3086     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
3087         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
3088     {
3089       delete_old_brush = FALSE;
3090       return;
3091     }
3092
3093     for (y=0; y<brush_height; y++)
3094     {
3095       for (x=0; x<brush_width; x++)
3096       {
3097         int sx = cursor_from_x + x;
3098         int sy = cursor_from_y + y;
3099         int lx = sx + level_xpos;
3100         int ly = sy + level_ypos;
3101         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
3102         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
3103                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
3104                        brush_buffer[x][y] : new_element);
3105
3106         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3107         {
3108           if (sx < border_from_x)
3109             border_from_x = sx;
3110           else if (sx > border_to_x)
3111             border_to_x = sx;
3112           if (sy < border_from_y)
3113             border_from_y = sy;
3114           else if (sy > border_to_y)
3115             border_to_y = sy;
3116
3117           DrawLineElement(sx, sy, element, change_level);
3118         }
3119       }
3120     }
3121
3122     if (mode != CB_DELETE_OLD_CURSOR)
3123       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
3124
3125     last_cursor_x = cursor_x;
3126     last_cursor_y = cursor_y;
3127     delete_old_brush = TRUE;
3128   }
3129 }
3130
3131 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
3132                             int button)
3133 {
3134   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
3135 }
3136
3137 static void CopyBrushToLevel(int x, int y, int button)
3138 {
3139   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
3140 }
3141
3142 static void CopyBrushToCursor(int x, int y)
3143 {
3144   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
3145 }
3146
3147 static void DeleteBrushFromCursor()
3148 {
3149   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3150 }
3151
3152 static void FloodFill(int from_x, int from_y, int fill_element)
3153 {
3154   int i,x,y;
3155   int old_element;
3156   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
3157   static int safety = 0;
3158
3159   /* check if starting field still has the desired content */
3160   if (Feld[from_x][from_y] == fill_element)
3161     return;
3162
3163   safety++;
3164
3165   if (safety > lev_fieldx*lev_fieldy)
3166     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
3167
3168   old_element = Feld[from_x][from_y];
3169   Feld[from_x][from_y] = fill_element;
3170
3171   for(i=0;i<4;i++)
3172   {
3173     x = from_x + check[i][0];
3174     y = from_y + check[i][1];
3175
3176     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
3177       FloodFill(x, y, fill_element);
3178   }
3179
3180   safety--;
3181 }
3182
3183 /* values for DrawLevelText() modes */
3184 #define TEXT_INIT               0
3185 #define TEXT_SETCURSOR          1
3186 #define TEXT_WRITECHAR          2
3187 #define TEXT_BACKSPACE          3
3188 #define TEXT_NEWLINE            4
3189 #define TEXT_END                5
3190 #define TEXT_QUERY_TYPING       6
3191
3192 static int DrawLevelText(int sx, int sy, char letter, int mode)
3193 {
3194   static short delete_buffer[MAX_LEV_FIELDX];
3195   static int start_sx, start_sy;
3196   static int last_sx, last_sy;
3197   static boolean typing = FALSE;
3198   int letter_element = EL_CHAR_ASCII0 + letter;
3199   int lx = 0, ly = 0;
3200
3201   /* map lower case letters to upper case and convert special characters */
3202   if (letter >= 'a' && letter <= 'z')
3203     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
3204   else if (letter == 'ä' || letter == 'Ä')
3205     letter_element = EL_CHAR_AE;
3206   else if (letter == 'ö' || letter == 'Ö')
3207     letter_element = EL_CHAR_OE;
3208   else if (letter == 'ü' || letter == 'Ü')
3209     letter_element = EL_CHAR_UE;
3210   else if (letter == '^')
3211     letter_element = EL_CHAR_COPYRIGHT;
3212   else
3213     letter_element = EL_CHAR_ASCII0 + letter;
3214
3215   if (mode != TEXT_INIT)
3216   {
3217     if (!typing)
3218       return FALSE;
3219
3220     if (mode != TEXT_SETCURSOR)
3221     {
3222       sx = last_sx;
3223       sy = last_sy;
3224     }
3225
3226     lx = last_sx + level_xpos;
3227     ly = last_sy + level_ypos;
3228   }
3229
3230   switch (mode)
3231   {
3232     case TEXT_INIT:
3233       if (typing)
3234         DrawLevelText(0, 0, 0, TEXT_END);
3235
3236       typing = TRUE;
3237       start_sx = last_sx = sx;
3238       start_sy = last_sy = sy;
3239       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
3240       break;
3241
3242     case TEXT_SETCURSOR:
3243       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
3244       DrawAreaBorder(sx, sy, sx, sy);
3245       last_sx = sx;
3246       last_sy = sy;
3247       break;
3248
3249     case TEXT_WRITECHAR:
3250       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
3251       {
3252         delete_buffer[sx - start_sx] = Feld[lx][ly];
3253         Feld[lx][ly] = letter_element;
3254
3255         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
3256           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
3257         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
3258           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3259         else
3260           DrawLevelText(0, 0, 0, TEXT_END);
3261       }
3262       break;
3263
3264     case TEXT_BACKSPACE:
3265       if (sx > start_sx)
3266       {
3267         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
3268         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
3269         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
3270       }
3271       break;
3272
3273     case TEXT_NEWLINE:
3274       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
3275         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3276       else
3277         DrawLevelText(0, 0, 0, TEXT_END);
3278       break;
3279
3280     case TEXT_END:
3281       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3282       DrawMiniElement(sx, sy, Feld[lx][ly]);
3283       typing = FALSE;
3284       break;
3285
3286     case TEXT_QUERY_TYPING:
3287       break;
3288
3289     default:
3290       break;
3291   }
3292
3293   return typing;
3294 }
3295
3296 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
3297                           int element, boolean change_level)
3298 {
3299   int lx = sx + level_xpos;
3300   int ly = sy + level_ypos;
3301
3302   if (element == -1)
3303     DrawMiniElement(sx, sy, Feld[lx][ly]);
3304   else
3305     DrawAreaBorder(sx, sy, sx, sy);
3306 }
3307
3308 static void CopyLevelToUndoBuffer(int mode)
3309 {
3310   static boolean accumulated_undo = FALSE;
3311   boolean new_undo_buffer_position = TRUE;
3312   int last_border_element;
3313   int x, y;
3314
3315   switch (mode)
3316   {
3317     case UNDO_IMMEDIATE:
3318       accumulated_undo = FALSE;
3319       break;
3320
3321     case UNDO_ACCUMULATE:
3322       if (accumulated_undo)
3323         new_undo_buffer_position = FALSE;
3324       accumulated_undo = TRUE;
3325       break;
3326
3327     default:
3328       break;
3329   }
3330
3331   if (new_undo_buffer_position)
3332   {
3333     /* new position in undo buffer ring */
3334     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
3335
3336     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
3337       undo_buffer_steps++;
3338   }
3339
3340   for(x=0; x<lev_fieldx; x++)
3341     for(y=0; y<lev_fieldy; y++)
3342       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
3343
3344   /* check if drawing operation forces change of border style */
3345   last_border_element = BorderElement;
3346   SetBorderElement();
3347   if (BorderElement != last_border_element)
3348     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3349
3350 #if 0
3351 #ifdef DEBUG
3352   printf("level saved to undo buffer\n");
3353 #endif
3354 #endif
3355 }
3356
3357 static void RandomPlacement(int new_element)
3358 {
3359   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3360   int num_free_positions;
3361   int num_percentage;
3362   int num_elements;
3363   int x, y;
3364
3365   /* determine number of free positions for the new elements */
3366   /* (maybe this statement should be formatted a bit more readable...) */
3367   num_free_positions = 0;
3368   for (x=0; x<lev_fieldx; x++)
3369     for (y=0; y<lev_fieldy; y++)
3370       if ((free_position[x][y] =
3371            ((random_placement_background_restricted &&
3372              Feld[x][y] == random_placement_background_element) ||
3373             (!random_placement_background_restricted &&
3374              Feld[x][y] != new_element))) == TRUE)
3375         num_free_positions++;
3376
3377   /* determine number of new elements to place there */
3378   num_percentage = num_free_positions * random_placement_value / 100;
3379   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
3380                   num_percentage : random_placement_value);
3381
3382   /* if not more free positions than elements to place, fill whole level */
3383   if (num_elements >= num_free_positions)
3384   {
3385     for (x=0; x<lev_fieldx; x++)
3386       for (y=0; y<lev_fieldy; y++)
3387         Feld[x][y] = new_element;
3388
3389     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3390     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3391     return;
3392   }
3393
3394   while (num_elements > 0)
3395   {
3396     x = RND(lev_fieldx);
3397     y = RND(lev_fieldy);
3398
3399     /* don't place element at the same position twice */
3400     if (free_position[x][y])
3401     {
3402       free_position[x][y] = FALSE;
3403       Feld[x][y] = new_element;
3404       num_elements--;
3405     }
3406   }
3407
3408   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3409   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3410 }
3411
3412 void WrapLevel(int dx, int dy)
3413 {
3414   int wrap_dx = lev_fieldx - dx;
3415   int wrap_dy = lev_fieldy - dy;
3416   int x, y;
3417
3418   for(x=0; x<lev_fieldx; x++)
3419     for(y=0; y<lev_fieldy; y++)
3420       FieldBackup[x][y] = Feld[x][y];
3421
3422   for(x=0; x<lev_fieldx; x++)
3423     for(y=0; y<lev_fieldy; y++)
3424       Feld[x][y] =
3425         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
3426
3427   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3428   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
3429 }
3430
3431 static void HandleDrawingAreas(struct GadgetInfo *gi)
3432 {
3433   static boolean started_inside_drawing_area = FALSE;
3434   int id = gi->custom_id;
3435   boolean button_press_event;
3436   boolean button_release_event;
3437   boolean inside_drawing_area = !gi->event.off_borders;
3438   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
3439   int actual_drawing_function;
3440   int button = gi->event.button;
3441   int new_element = BUTTON_ELEMENT(button);
3442   int sx = gi->event.x, sy = gi->event.y;
3443   int min_sx = 0, min_sy = 0;
3444   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
3445   int lx = 0, ly = 0;
3446   int min_lx = 0, min_ly = 0;
3447   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
3448   int x, y;
3449
3450   /* handle info callback for each invocation of action callback */
3451   gi->callback_info(gi);
3452
3453   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
3454   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
3455
3456   /* make sure to stay inside drawing area boundaries */
3457   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
3458   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
3459
3460   if (draw_level)
3461   {
3462     /* get positions inside level field */
3463     lx = sx + level_xpos;
3464     ly = sy + level_ypos;
3465
3466     if (!IN_LEV_FIELD(lx, ly))
3467       inside_drawing_area = FALSE;
3468
3469     /* make sure to stay inside level field boundaries */
3470     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
3471     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
3472
3473     /* correct drawing area positions accordingly */
3474     sx = lx - level_xpos;
3475     sy = ly - level_ypos;
3476   }
3477
3478   if (button_press_event)
3479     started_inside_drawing_area = inside_drawing_area;
3480
3481   if (!started_inside_drawing_area)
3482     return;
3483
3484   if (!button && !button_release_event)
3485     return;
3486
3487   /* automatically switch to 'single item' drawing mode, if needed */
3488   actual_drawing_function =
3489     (draw_level ? drawing_function : GADGET_ID_SINGLE_ITEMS);
3490
3491   switch (actual_drawing_function)
3492   {
3493     case GADGET_ID_SINGLE_ITEMS:
3494       if (draw_level)
3495       {
3496         if (button_release_event)
3497         {
3498           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3499
3500           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
3501               !inside_drawing_area)
3502             DeleteBrushFromCursor();
3503         }
3504
3505         if (!button)
3506           break;
3507
3508         if (draw_with_brush)
3509         {
3510           if (!button_release_event)
3511             CopyBrushToLevel(sx, sy, button);
3512         }
3513         else if (new_element != Feld[lx][ly])
3514         {
3515           if (new_element == EL_PLAYER1)
3516           {
3517             /* remove player at old position */
3518             for(y=0; y<lev_fieldy; y++)
3519             {
3520               for(x=0; x<lev_fieldx; x++)
3521               {
3522                 if (Feld[x][y] == EL_PLAYER1)
3523                 {
3524                   Feld[x][y] = EL_EMPTY;
3525                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
3526                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
3527                     DrawMiniElement(x - level_xpos, y - level_ypos,
3528                                     EL_EMPTY);
3529                 }
3530               }
3531             }
3532           }
3533
3534           Feld[lx][ly] = new_element;
3535           DrawMiniElement(sx, sy, new_element);
3536         }
3537       }
3538       else
3539       {
3540         DrawMiniGraphicExt(drawto,
3541                            gi->x + sx * MINI_TILEX,
3542                            gi->y + sy * MINI_TILEY,
3543                            el2img(new_element));
3544         DrawMiniGraphicExt(window,
3545                            gi->x + sx * MINI_TILEX,
3546                            gi->y + sy * MINI_TILEY,
3547                            el2img(new_element));
3548
3549         if (id == GADGET_ID_AMOEBA_CONTENT)
3550           level.amoeba_content = new_element;
3551         else if (id == GADGET_ID_RANDOM_BACKGROUND)
3552           random_placement_background_element = new_element;
3553         else if (id >= GADGET_ID_ELEM_CONTENT_0 &&
3554                  id <= GADGET_ID_ELEM_CONTENT_7)
3555           level.yam_content[id - GADGET_ID_ELEM_CONTENT_0][sx][sy] =
3556             new_element;
3557       }
3558       break;
3559
3560     case GADGET_ID_CONNECTED_ITEMS:
3561       {
3562         static int last_sx = -1;
3563         static int last_sy = -1;
3564
3565         if (button_release_event)
3566           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3567
3568         if (button)
3569         {
3570           if (!button_press_event)
3571             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
3572
3573           last_sx = sx;
3574           last_sy = sy;
3575         }
3576       }
3577       break;
3578
3579     case GADGET_ID_LINE:
3580     case GADGET_ID_ARC:
3581     case GADGET_ID_RECTANGLE:
3582     case GADGET_ID_FILLED_BOX:
3583     case GADGET_ID_GRAB_BRUSH:
3584     case GADGET_ID_TEXT:
3585       {
3586         static int last_sx = -1;
3587         static int last_sy = -1;
3588         static int start_sx = -1;
3589         static int start_sy = -1;
3590         void (*draw_func)(int, int, int, int, int, boolean);
3591
3592         if (drawing_function == GADGET_ID_LINE)
3593           draw_func = DrawLine;
3594         else if (drawing_function == GADGET_ID_ARC)
3595           draw_func = DrawArc;
3596         else if (drawing_function == GADGET_ID_RECTANGLE)
3597           draw_func = DrawRectangle;
3598         else if (drawing_function == GADGET_ID_FILLED_BOX)
3599           draw_func = DrawFilledBox;
3600         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
3601           draw_func = SelectArea;
3602         else /* (drawing_function == GADGET_ID_TEXT) */
3603           draw_func = SetTextCursor;
3604
3605         if (button_press_event)
3606         {
3607           draw_func(sx, sy, sx, sy, new_element, FALSE);
3608           start_sx = last_sx = sx;
3609           start_sy = last_sy = sy;
3610
3611           if (drawing_function == GADGET_ID_TEXT)
3612             DrawLevelText(0, 0, 0, TEXT_END);
3613         }
3614         else if (button_release_event)
3615         {
3616           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
3617           if (drawing_function == GADGET_ID_GRAB_BRUSH)
3618           {
3619             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
3620             CopyBrushToCursor(sx, sy);
3621             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
3622                           MB_LEFTBUTTON);
3623             draw_with_brush = TRUE;
3624           }
3625           else if (drawing_function == GADGET_ID_TEXT)
3626             DrawLevelText(sx, sy, 0, TEXT_INIT);
3627           else
3628             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3629         }
3630         else if (last_sx != sx || last_sy != sy)
3631         {
3632           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
3633           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
3634           last_sx = sx;
3635           last_sy = sy;
3636         }
3637       }
3638       break;
3639
3640     case GADGET_ID_FLOOD_FILL:
3641       if (button_press_event && Feld[lx][ly] != new_element)
3642       {
3643         FloodFill(lx, ly, new_element);
3644         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3645         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3646       }
3647       break;
3648
3649     case GADGET_ID_PICK_ELEMENT:
3650       if (button_release_event)
3651         ClickOnGadget(level_editor_gadget[last_drawing_function],
3652                       MB_LEFTBUTTON);
3653       else
3654         PickDrawingElement(button, Feld[lx][ly]);
3655
3656       break;
3657
3658     default:
3659       break;
3660   }
3661 }
3662
3663 static void HandleCounterButtons(struct GadgetInfo *gi)
3664 {
3665   int gadget_id = gi->custom_id;
3666   int counter_id = gi->custom_type_id;
3667   int button = gi->event.button;
3668   int *counter_value = counterbutton_info[counter_id].value;
3669   int step = BUTTON_STEPSIZE(button) *
3670     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
3671
3672   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
3673   {
3674     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
3675     boolean released = (gi->event.type == GD_EVENT_RELEASED);
3676     boolean level_changed = LevelChanged();
3677
3678     if ((level_changed && pressed) || (!level_changed && released))
3679       return;
3680
3681     if (level_changed && !Request("Level has changed! Discard changes ?",
3682                                   REQ_ASK))
3683     {
3684       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
3685         ModifyEditorCounter(counter_id, *counter_value);
3686       return;
3687     }
3688   }
3689
3690   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
3691     *counter_value = gi->text.number_value;
3692   else
3693     ModifyEditorCounter(counter_id, *counter_value + step);
3694
3695   switch (counter_id)
3696   {
3697     case ED_COUNTER_ID_ELEM_CONTENT:
3698       DrawElementContentAreas();
3699       break;
3700
3701     case ED_COUNTER_ID_LEVEL_XSIZE:
3702     case ED_COUNTER_ID_LEVEL_YSIZE:
3703       lev_fieldx = level.fieldx;
3704       lev_fieldy = level.fieldy;
3705       break;
3706
3707     case ED_COUNTER_ID_SELECT_LEVEL:
3708       LoadLevel(level_nr);
3709       TapeErase();
3710       ResetUndoBuffer();
3711       DrawEditModeWindow();
3712       break;
3713
3714     default:
3715       break;
3716   }
3717 }
3718
3719 static void HandleTextInputGadgets(struct GadgetInfo *gi)
3720 {
3721   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
3722 }
3723
3724 static void HandleRadiobuttons(struct GadgetInfo *gi)
3725 {
3726   *radiobutton_info[gi->custom_type_id].value =
3727     radiobutton_info[gi->custom_type_id].checked_value;
3728 }
3729
3730 static void HandleCheckbuttons(struct GadgetInfo *gi)
3731 {
3732   *checkbutton_info[gi->custom_type_id].value ^= TRUE;
3733 }
3734
3735 static void HandleControlButtons(struct GadgetInfo *gi)
3736 {
3737   int id = gi->custom_id;
3738   int button = gi->event.button;
3739   int step = BUTTON_STEPSIZE(button);
3740   int new_element = BUTTON_ELEMENT(button);
3741   int i, x, y;
3742
3743   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
3744     DrawLevelText(0, 0, 0, TEXT_END);
3745
3746   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
3747       edit_mode != ED_MODE_DRAWING)
3748   {
3749     DrawDrawingWindow();
3750     edit_mode = ED_MODE_DRAWING;
3751   }
3752
3753   switch (id)
3754   {
3755     case GADGET_ID_SCROLL_LEFT:
3756       if (level_xpos >= 0)
3757       {
3758         if (lev_fieldx < ed_fieldx - 2)
3759           break;
3760
3761         level_xpos -= step;
3762         if (level_xpos < -1)
3763           level_xpos = -1;
3764         if (button == 1)
3765           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
3766         else
3767           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3768
3769         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3770                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
3771       }
3772       break;
3773
3774     case GADGET_ID_SCROLL_RIGHT:
3775       if (level_xpos <= lev_fieldx - ed_fieldx)
3776       {
3777         if (lev_fieldx < ed_fieldx - 2)
3778           break;
3779
3780         level_xpos += step;
3781         if (level_xpos > lev_fieldx - ed_fieldx + 1)
3782           level_xpos = lev_fieldx - ed_fieldx + 1;
3783         if (button == 1)
3784           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
3785         else
3786           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3787
3788         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3789                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
3790       }
3791       break;
3792
3793     case GADGET_ID_SCROLL_UP:
3794       if (level_ypos >= 0)
3795       {
3796         if (lev_fieldy < ed_fieldy - 2)
3797           break;
3798
3799         level_ypos -= step;
3800         if (level_ypos < -1)
3801           level_ypos = -1;
3802         if (button == 1)
3803           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
3804         else
3805           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3806
3807         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
3808                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
3809       }
3810       break;
3811
3812     case GADGET_ID_SCROLL_DOWN:
3813       if (level_ypos <= lev_fieldy - ed_fieldy)
3814       {
3815         if (lev_fieldy < ed_fieldy - 2)
3816           break;
3817
3818         level_ypos += step;
3819         if (level_ypos > lev_fieldy - ed_fieldy + 1)
3820           level_ypos = lev_fieldy - ed_fieldy + 1;
3821         if (button == 1)
3822           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
3823         else
3824           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3825
3826         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
3827                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
3828       }
3829       break;
3830
3831     case GADGET_ID_SCROLL_HORIZONTAL:
3832       level_xpos = gi->event.item_position - 1;
3833       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3834       break;
3835
3836     case GADGET_ID_SCROLL_VERTICAL:
3837       level_ypos = gi->event.item_position - 1;
3838       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3839       break;
3840
3841     case GADGET_ID_SCROLL_LIST_UP:
3842     case GADGET_ID_SCROLL_LIST_DOWN:
3843     case GADGET_ID_SCROLL_LIST_VERTICAL:
3844       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
3845         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
3846       else
3847       {
3848         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
3849         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
3850
3851         if (element_shift < 0)
3852           element_shift = 0;
3853         if (element_shift > elements_in_list - ED_NUM_ELEMENTLIST_BUTTONS)
3854           element_shift = elements_in_list - ED_NUM_ELEMENTLIST_BUTTONS;
3855
3856         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
3857                      GDI_SCROLLBAR_ITEM_POSITION,
3858                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
3859       }
3860
3861       for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3862       {
3863         int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
3864         struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3865         struct GadgetDesign *gd = &gi->deco.design;
3866         int element = editor_element[element_shift + i];
3867
3868         UnmapGadget(gi);
3869         getMiniGraphicSource(el2img(element), &gd->bitmap, &gd->x, &gd->y);
3870         ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
3871         MapGadget(gi);
3872       }
3873       break;
3874
3875     case GADGET_ID_WRAP_LEFT:
3876       WrapLevel(-step, 0);
3877       break;
3878
3879     case GADGET_ID_WRAP_RIGHT:
3880       WrapLevel(step, 0);
3881       break;
3882
3883     case GADGET_ID_WRAP_UP:
3884       WrapLevel(0, -step);
3885       break;
3886
3887     case GADGET_ID_WRAP_DOWN:
3888       WrapLevel(0, step);
3889       break;
3890
3891     case GADGET_ID_SINGLE_ITEMS:
3892     case GADGET_ID_CONNECTED_ITEMS:
3893     case GADGET_ID_LINE:
3894     case GADGET_ID_ARC:
3895     case GADGET_ID_TEXT:
3896     case GADGET_ID_RECTANGLE:
3897     case GADGET_ID_FILLED_BOX:
3898     case GADGET_ID_FLOOD_FILL:
3899     case GADGET_ID_GRAB_BRUSH:
3900     case GADGET_ID_PICK_ELEMENT:
3901       last_drawing_function = drawing_function;
3902       drawing_function = id;
3903       draw_with_brush = FALSE;
3904       break;
3905
3906     case GADGET_ID_RANDOM_PLACEMENT:
3907       RandomPlacement(new_element);
3908       break;
3909
3910     case GADGET_ID_PROPERTIES:
3911       if (edit_mode != ED_MODE_PROPERTIES)
3912       {
3913         properties_element = new_element;
3914         DrawPropertiesWindow();
3915         edit_mode = ED_MODE_PROPERTIES;
3916       }
3917       else
3918       {
3919         DrawDrawingWindow();
3920         edit_mode = ED_MODE_DRAWING;
3921       }
3922       break;
3923
3924     case GADGET_ID_UNDO:
3925       if (undo_buffer_steps == 0)
3926       {
3927         Request("Undo buffer empty !", REQ_CONFIRM);
3928         break;
3929       }
3930
3931       undo_buffer_position =
3932         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
3933       undo_buffer_steps--;
3934
3935       for(x=0; x<lev_fieldx; x++)
3936         for(y=0; y<lev_fieldy; y++)
3937           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
3938       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
3939       break;
3940
3941     case GADGET_ID_INFO:
3942       if (edit_mode != ED_MODE_INFO)
3943       {
3944         DrawLevelInfoWindow();
3945         edit_mode = ED_MODE_INFO;
3946       }
3947       else
3948       {
3949         DrawDrawingWindow();
3950         edit_mode = ED_MODE_DRAWING;
3951       }
3952       break;
3953
3954     case GADGET_ID_CLEAR:
3955       for(x=0; x<MAX_LEV_FIELDX; x++)
3956         for(y=0; y<MAX_LEV_FIELDY; y++)
3957           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
3958       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
3959
3960       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3961       break;
3962
3963     case GADGET_ID_SAVE:
3964       if (leveldir_current->readonly)
3965       {
3966         Request("This level is read only !", REQ_CONFIRM);
3967         break;
3968       }
3969
3970       if (!LevelContainsPlayer)
3971         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
3972       else
3973       {
3974         if (Request("Save this level and kill the old ?", REQ_ASK))
3975         {
3976           for(x=0; x<lev_fieldx; x++)
3977             for(y=0; y<lev_fieldy; y++)
3978               Ur[x][y] = Feld[x][y];
3979           SaveLevel(level_nr);
3980         }
3981       }
3982       break;
3983
3984     case GADGET_ID_TEST:
3985       if (!LevelContainsPlayer)
3986         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
3987       else
3988       {
3989         if (LevelChanged())
3990           level.game_version = GAME_VERSION_ACTUAL;
3991
3992         for(x=0; x<lev_fieldx; x++)
3993           for(y=0; y<lev_fieldy; y++)
3994             FieldBackup[x][y] = Ur[x][y];
3995
3996         for(x=0; x<lev_fieldx; x++)
3997           for(y=0; y<lev_fieldy; y++)
3998             Ur[x][y] = Feld[x][y];
3999
4000         UnmapLevelEditorGadgets();
4001         UndrawSpecialEditorDoor();
4002
4003         CloseDoor(DOOR_CLOSE_ALL);
4004
4005         DrawCompleteVideoDisplay();
4006
4007         if (setup.autorecord)
4008           TapeStartRecording();
4009
4010         level_editor_test_game = TRUE;
4011         game_status = PLAYING;
4012
4013         InitGame();
4014       }
4015       break;
4016
4017     case GADGET_ID_EXIT:
4018       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
4019       break;
4020
4021     default:
4022       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
4023           id <= GADGET_ID_ELEMENTLIST_LAST)
4024       {
4025         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
4026         int new_element = editor_element[element_position + element_shift];
4027
4028         PickDrawingElement(button, new_element);
4029
4030         if (!HAS_CONTENT(properties_element) ||
4031             !stick_element_properties_window)
4032         {
4033           properties_element = new_element;
4034           if (edit_mode == ED_MODE_PROPERTIES)
4035             DrawPropertiesWindow();
4036         }
4037
4038         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4039           ClickOnGadget(level_editor_gadget[last_drawing_function],
4040                         MB_LEFTBUTTON);
4041       }
4042 #ifdef DEBUG
4043       else if (gi->event.type == GD_EVENT_PRESSED)
4044         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
4045       else if (gi->event.type == GD_EVENT_RELEASED)
4046         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
4047       else if (gi->event.type == GD_EVENT_MOVING)
4048         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
4049       else
4050         printf("default: HandleControlButtons: ? (id == %d)\n", id);
4051 #endif
4052       break;
4053   }
4054 }
4055
4056 void HandleLevelEditorKeyInput(Key key)
4057 {
4058   char letter = getCharFromKey(key);
4059   int button = MB_LEFTBUTTON;
4060
4061   if (drawing_function == GADGET_ID_TEXT &&
4062       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
4063   {
4064     if (letter)
4065       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
4066     else if (key == KSYM_Delete || key == KSYM_BackSpace)
4067       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
4068     else if (key == KSYM_Return)
4069       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
4070     else if (key == KSYM_Escape)
4071       DrawLevelText(0, 0, 0, TEXT_END);
4072   }
4073   else if (button_status == MB_RELEASED)
4074   {
4075     int i, id = GADGET_ID_NONE;
4076
4077     switch (key)
4078     {
4079       case KSYM_Left:
4080         id = GADGET_ID_SCROLL_LEFT;
4081         break;
4082       case KSYM_Right:
4083         id = GADGET_ID_SCROLL_RIGHT;
4084         break;
4085       case KSYM_Up:
4086         id = GADGET_ID_SCROLL_UP;
4087         break;
4088       case KSYM_Down:
4089         id = GADGET_ID_SCROLL_DOWN;
4090         break;
4091       case KSYM_Page_Up:
4092         id = GADGET_ID_SCROLL_LIST_UP;
4093         button = MB_RIGHTBUTTON;
4094         break;
4095       case KSYM_Page_Down:
4096         id = GADGET_ID_SCROLL_LIST_DOWN;
4097         button = MB_RIGHTBUTTON;
4098         break;
4099
4100       case KSYM_Escape:
4101         if (edit_mode == ED_MODE_DRAWING)
4102         {
4103           RequestExitLevelEditor(setup.ask_on_escape);
4104         }
4105         else
4106         {
4107           DrawDrawingWindow();
4108           edit_mode = ED_MODE_DRAWING;
4109         }
4110         break;
4111
4112       default:
4113         break;
4114     }
4115
4116     if (id != GADGET_ID_NONE)
4117       ClickOnGadget(level_editor_gadget[id], button);
4118     else if (letter == '.')
4119       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
4120     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
4121       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
4122     else
4123       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
4124         if (letter && letter == control_info[i].shortcut)
4125           if (!anyTextGadgetActive())
4126             ClickOnGadget(level_editor_gadget[i], button);
4127   }
4128 }
4129
4130 void ClearEditorGadgetInfoText()
4131 {
4132   ClearRectangle(drawto,
4133                  INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
4134   redraw_mask |= REDRAW_FIELD;
4135 }
4136
4137 void HandleEditorGadgetInfoText(void *ptr)
4138 {
4139   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
4140   char infotext[MAX_INFOTEXT_LEN + 1];
4141   char shortcut[MAX_INFOTEXT_LEN + 1];
4142
4143   if (game_status != LEVELED)
4144     return;
4145
4146   ClearEditorGadgetInfoText();
4147
4148   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4149     return;
4150
4151   /* misuse this function to delete brush cursor, if needed */
4152   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
4153     DeleteBrushFromCursor();
4154
4155   if (gi == NULL || gi->info_text == NULL)
4156     return;
4157
4158   strncpy(infotext, gi->info_text, MAX_INFOTEXT_LEN);
4159   infotext[MAX_INFOTEXT_LEN] = '\0';
4160
4161   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
4162   {
4163     int key = control_info[gi->custom_id].shortcut;
4164
4165     if (key)
4166     {
4167       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
4168         sprintf(shortcut, " ('.' or '%c')", key);
4169       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
4170         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
4171       else                                              /* normal case */
4172         sprintf(shortcut, " ('%s%c')",
4173                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
4174
4175       if (strlen(infotext) + strlen(shortcut) <= MAX_INFOTEXT_LEN)
4176         strcat(infotext, shortcut);
4177     }
4178   }
4179
4180   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FS_SMALL, FC_YELLOW);
4181 }
4182
4183 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
4184 {
4185   static int start_lx, start_ly;
4186   char *infotext;
4187   int id = gi->custom_id;
4188   int sx = gi->event.x;
4189   int sy = gi->event.y;
4190   int lx = sx + level_xpos;
4191   int ly = sy + level_ypos;
4192   int min_sx = 0, min_sy = 0;
4193   int max_sx = gi->drawing.area_xsize - 1;
4194   int max_sy = gi->drawing.area_ysize - 1;
4195
4196   ClearEditorGadgetInfoText();
4197
4198   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4199     return;
4200
4201   /* make sure to stay inside drawing area boundaries */
4202   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
4203   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
4204
4205   if (id == GADGET_ID_DRAWING_LEVEL)
4206   {
4207     if (button_status)
4208     {
4209       int min_lx = 0, min_ly = 0;
4210       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
4211
4212       /* get positions inside level field */
4213       lx = sx + level_xpos;
4214       ly = sy + level_ypos;
4215
4216       /* make sure to stay inside level field boundaries */
4217       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
4218       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
4219
4220       /* correct drawing area positions accordingly */
4221       sx = lx - level_xpos;
4222       sy = ly - level_ypos;
4223     }
4224
4225     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
4226     {
4227       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
4228       {
4229         if (gi->event.type == GD_EVENT_PRESSED)
4230         {
4231           start_lx = lx;
4232           start_ly = ly;
4233         }
4234
4235         switch (drawing_function)
4236         {
4237           case GADGET_ID_SINGLE_ITEMS:
4238             infotext = "Drawing single items";
4239             break;
4240           case GADGET_ID_CONNECTED_ITEMS:
4241             infotext = "Drawing connected items";
4242             break;
4243           case GADGET_ID_LINE:
4244             infotext = "Drawing line";
4245             break;
4246           case GADGET_ID_ARC:
4247             infotext = "Drawing arc";
4248             break;
4249           case GADGET_ID_TEXT:
4250             infotext = "Setting text cursor";
4251             break;
4252           case GADGET_ID_RECTANGLE:
4253             infotext = "Drawing rectangle";
4254             break;
4255           case GADGET_ID_FILLED_BOX:
4256             infotext = "Drawing filled box";
4257             break;
4258           case GADGET_ID_FLOOD_FILL:
4259             infotext = "Flood fill";
4260             break;
4261           case GADGET_ID_GRAB_BRUSH:
4262             infotext = "Grabbing brush";
4263             break;
4264           case GADGET_ID_PICK_ELEMENT:
4265             infotext = "Picking element";
4266             break;
4267
4268           default:
4269             infotext = "Drawing position";
4270             break;
4271         }
4272
4273         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4274           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4275                     "%s: %d, %d", infotext, lx, ly);
4276         else
4277           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4278                     "%s: %d, %d", infotext,
4279                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
4280       }
4281       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
4282         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4283                   "%s", getElementInfoText(Feld[lx][ly]));
4284       else
4285         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4286                   "Level position: %d, %d", lx, ly);
4287     }
4288
4289     /* misuse this function to draw brush cursor, if needed */
4290     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
4291     {
4292       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4293         CopyBrushToCursor(sx, sy);
4294       else
4295         DeleteBrushFromCursor();
4296     }
4297   }
4298   else if (id == GADGET_ID_AMOEBA_CONTENT)
4299     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4300               "Amoeba content");
4301   else if (id == GADGET_ID_RANDOM_BACKGROUND)
4302     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4303               "Random placement background");
4304   else
4305     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4306               "Content area %d position: %d, %d",
4307               id - GADGET_ID_ELEM_CONTENT_0 + 1, sx, sy);
4308 }
4309
4310 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
4311 {
4312   if (!ask_if_level_has_changed ||
4313       !LevelChanged() ||
4314       Request("Level has changed! Exit without saving ?",
4315               REQ_ASK | REQ_STAY_OPEN))
4316   {
4317     CloseDoor(DOOR_CLOSE_1);
4318     /*
4319     CloseDoor(DOOR_CLOSE_ALL);
4320     */
4321     game_status = MAINMENU;
4322     DrawMainMenu();
4323   }
4324   else
4325   {
4326     CloseDoor(DOOR_CLOSE_1);
4327     BlitBitmap(bitmap_db_door, bitmap_db_door,
4328                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
4329                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
4330     OpenDoor(DOOR_OPEN_1);
4331   }
4332 }