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 #define GADGET_ID_RANDOM_BACKGROUND     59
 267
 268 /* text input identifiers */
 269 #define GADGET_ID_LEVEL_NAME            60
 270 #define GADGET_ID_LEVEL_AUTHOR          61
 271
 272 /* gadgets for scrolling of drawing area */
 273 #define GADGET_ID_SCROLL_UP             62
 274 #define GADGET_ID_SCROLL_DOWN           63
 275 #define GADGET_ID_SCROLL_LEFT           64
 276 #define GADGET_ID_SCROLL_RIGHT          65
 277 #define GADGET_ID_SCROLL_HORIZONTAL     66
 278 #define GADGET_ID_SCROLL_VERTICAL       67
 279
 280 /* gadgets for scrolling element list */
 281 #define GADGET_ID_SCROLL_LIST_UP        68
 282 #define GADGET_ID_SCROLL_LIST_DOWN      69
 283 #define GADGET_ID_SCROLL_LIST_VERTICAL  70
 284
 285 /* buttons for level/element properties */
 286 #define GADGET_ID_RANDOM_PERCENTAGE     71
 287 #define GADGET_ID_RANDOM_QUANTITY       72
 288 #define GADGET_ID_RANDOM_RESTRICTED     73
 289 #define GADGET_ID_DOUBLE_SPEED          74
 290 #define GADGET_ID_GRAVITY               75
 291 #define GADGET_ID_STICK_ELEMENT         76
 292 #define GADGET_ID_EM_SLIPPERY_GEMS      77
 293 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE 78
 294 #define GADGET_ID_CUSTOM_CAN_FALL       79
 295 #define GADGET_ID_CUSTOM_SLIPPERY       80
 296
 297 /* gadgets for buttons in element list */
 298 #define GADGET_ID_ELEMENTLIST_FIRST     81
 299 #define GADGET_ID_ELEMENTLIST_LAST      (81 + ED_NUM_ELEMENTLIST_BUTTONS - 1)
 300
 301 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 302
 303 /* radio button numbers */
 304 #define RADIO_NR_NONE                   0
 305 #define RADIO_NR_DRAWING_TOOLBOX        1
 306 #define RADIO_NR_RANDOM_ELEMENTS        2
 307
 308 /* values for counter gadgets */
 309 #define ED_COUNTER_ID_ELEM_SCORE        0
 310 #define ED_COUNTER_ID_ELEM_CONTENT      1
 311 #define ED_COUNTER_ID_LEVEL_XSIZE       2
 312 #define ED_COUNTER_ID_LEVEL_YSIZE       3
 313 #define ED_COUNTER_ID_LEVEL_COLLECT     4
 314 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   5
 315 #define ED_COUNTER_ID_LEVEL_TIMESCORE   6
 316 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 317 #define ED_COUNTER_ID_SELECT_LEVEL      8
 318
 319 #define ED_NUM_COUNTERBUTTONS           9
 320
 321 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 322 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 323
 324 /* values for scrollbutton gadgets */
 325 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 326 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 327 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 328 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 329 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 330 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 331
 332 #define ED_NUM_SCROLLBUTTONS            6
 333
 334 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 335 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 336
 337 /* values for scrollbar gadgets */
 338 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 339 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 340 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 341
 342 #define ED_NUM_SCROLLBARS               3
 343
 344 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 345 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 346
 347 /* values for text input gadgets */
 348 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 349 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 350
 351 #define ED_NUM_TEXTINPUT                2
 352
 353 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 354 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 355
 356 /* values for checkbutton gadgets */
 357 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 358 #define ED_CHECKBUTTON_ID_GRAVITY               1
 359 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 360 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 361 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 362 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 5
 363 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       6
 364 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       7
 365
 366 #define ED_NUM_CHECKBUTTONS                     8
 367
 368 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 369 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 370
 371 /* values for radiobutton gadgets */
 372 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 373 #define ED_RADIOBUTTON_ID_QUANTITY      1
 374
 375 #define ED_NUM_RADIOBUTTONS             2
 376
 377 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 378 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 379
 380 /* values for CopyLevelToUndoBuffer() */
 381 #define UNDO_IMMEDIATE                  0
 382 #define UNDO_ACCUMULATE                 1
 383
 384 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 385 #define INFOTEXT_XPOS                   SX
 386 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 387 #define INFOTEXT_XSIZE                  SXSIZE
 388 #define INFOTEXT_YSIZE                  MINI_TILEX
 389 #define MAX_INFOTEXT_LEN                (SXSIZE / FONT2_XSIZE)
 390
 391 static struct
 392 {
 393   char shortcut;
 394   char *text;
 395 } control_info[ED_NUM_CTRL_BUTTONS] =
 396 {
 397   { 's', "draw single items" },
 398   { 'd', "draw connected items" },
 399   { 'l', "draw lines" },
 400   { 'a', "draw arcs" },
 401   { 'r', "draw outline rectangles" },
 402   { 'R', "draw filled rectangles" },
 403   { '\0', "wrap (rotate) level up" },
 404   { 't', "enter text elements" },
 405   { 'f', "flood fill" },
 406   { '\0', "wrap (rotate) level left" },
 407   { '?', "properties of drawing element" },
 408   { '\0', "wrap (rotate) level right" },
 409   { '\0', "random element placement" },
 410   { 'b', "grab brush" },
 411   { '\0', "wrap (rotate) level down" },
 412   { ',', "pick drawing element" },
 413   { 'U', "undo last operation" },
 414   { 'I', "level properties" },
 415   { 'S', "save level" },
 416   { 'C', "clear level" },
 417   { 'T', "test level" },
 418   { 'E', "exit level editor" }
 419 };
 420
 421 /* values for random placement */
 422 #define RANDOM_USE_PERCENTAGE           0
 423 #define RANDOM_USE_QUANTITY             1
 424
 425 static int random_placement_value = 10;
 426 static int random_placement_method = RANDOM_USE_QUANTITY;
 427 static int random_placement_background_element = EL_SAND;
 428 static boolean random_placement_background_restricted = FALSE;
 429 static boolean stick_element_properties_window = FALSE;
 430
 431 static struct
 432 {
 433   boolean indestructible;
 434   boolean can_fall;
 435   boolean slippery;
 436 } custom_element_properties[NUM_CUSTOM_ELEMENTS];
 437
 438 static struct
 439 {
 440   int x, y;
 441   int min_value, max_value;
 442   int gadget_id_down, gadget_id_up;
 443   int gadget_id_text;
 444   int *value;
 445   char *infotext_above, *infotext_right;
 446 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 447 {
 448   {
 449     ED_COUNT_ELEM_SCORE_XPOS,           ED_COUNT_ELEM_SCORE_YPOS,
 450     MIN_SCORE,                          MAX_SCORE,
 451     GADGET_ID_ELEM_SCORE_DOWN,          GADGET_ID_ELEM_SCORE_UP,
 452     GADGET_ID_ELEM_SCORE_TEXT,
 453     NULL,                               /* will be set when used */
 454     "element score",                    NULL
 455   },
 456   {
 457     ED_COUNT_ELEM_CONTENT_XPOS,         ED_COUNT_ELEM_CONTENT_YPOS,
 458     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 459     GADGET_ID_ELEM_CONTENT_DOWN,        GADGET_ID_ELEM_CONTENT_UP,
 460     GADGET_ID_ELEM_CONTENT_TEXT,
 461     &level.num_yam_contents,
 462     "element content",                  NULL
 463   },
 464   {
 465     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(2),
 466     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 467     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 468     GADGET_ID_LEVEL_XSIZE_TEXT,
 469     &level.fieldx,
 470     "playfield size",                   "width",
 471   },
 472   {
 473     ED_SETTINGS_XPOS + 2 * DXSIZE,      ED_COUNTER_YPOS(2),
 474     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 475     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 476     GADGET_ID_LEVEL_YSIZE_TEXT,
 477     &level.fieldy,
 478     NULL,                               "height",
 479   },
 480   {
 481     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(3),
 482     0,                                  999,
 483     GADGET_ID_LEVEL_COLLECT_DOWN,       GADGET_ID_LEVEL_COLLECT_UP,
 484     GADGET_ID_LEVEL_COLLECT_TEXT,
 485     &level.gems_needed,
 486     "number of emeralds to collect",    NULL
 487   },
 488   {
 489     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 490     0,                                  999,
 491     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 492     GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 493     &level.time,
 494     "time available to solve level",    "(0 => no time limit)"
 495   },
 496   {
 497     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(5),
 498     0,                                  255,
 499     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 500     GADGET_ID_LEVEL_TIMESCORE_TEXT,
 501     &level.score[SC_ZEITBONUS],
 502     "score for each 10 seconds left",   NULL
 503   },
 504   {
 505     ED_SETTINGS_XPOS,                   ED_COUNTER2_YPOS(8),
 506     1,                                  100,
 507     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 508     GADGET_ID_LEVEL_RANDOM_TEXT,
 509     &random_placement_value,
 510     "random element placement",         "in"
 511   },
 512   {
 513     DX + 5 - SX,                        DY + 3 - SY,
 514     1,                                  100,
 515     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 516     GADGET_ID_SELECT_LEVEL_TEXT,
 517     &level_nr,
 518     NULL,                               NULL
 519   }
 520 };
 521
 522 static struct
 523 {
 524   int x, y;
 525   int gadget_id;
 526   int size;
 527   char *value;
 528   char *infotext;
 529 } textinput_info[ED_NUM_TEXTINPUT] =
 530 {
 531   {
 532     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(0),
 533     GADGET_ID_LEVEL_NAME,
 534     MAX_LEVEL_NAME_LEN,
 535     level.name,
 536     "Title"
 537   },
 538   {
 539     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(1),
 540     GADGET_ID_LEVEL_AUTHOR,
 541     MAX_LEVEL_AUTHOR_LEN,
 542     level.author,
 543     "Author"
 544   }
 545 };
 546
 547 static struct
 548 {
 549   int xpos, ypos;
 550   int x, y;
 551   int gadget_id;
 552   char *infotext;
 553 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
 554 {
 555   {
 556     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
 557     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
 558     GADGET_ID_SCROLL_UP,
 559     "scroll level editing area up"
 560   },
 561   {
 562     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
 563     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
 564     GADGET_ID_SCROLL_DOWN,
 565     "scroll level editing area down"
 566   },
 567   {
 568     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
 569     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
 570     GADGET_ID_SCROLL_LEFT,
 571     "scroll level editing area left"
 572   },
 573   {
 574     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
 575     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
 576     GADGET_ID_SCROLL_RIGHT,
 577     "scroll level editing area right"
 578   },
 579   {
 580     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
 581     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
 582     GADGET_ID_SCROLL_LIST_UP,
 583     "scroll element list up ('Page Up')"
 584   },
 585   {
 586     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
 587     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
 588     GADGET_ID_SCROLL_LIST_DOWN,
 589     "scroll element list down ('Page Down')"
 590   }
 591 };
 592
 593 static struct
 594 {
 595   int xpos, ypos;
 596   int x, y;
 597   int width, height;
 598   int type;
 599   int gadget_id;
 600   char *infotext;
 601 } scrollbar_info[ED_NUM_SCROLLBARS] =
 602 {
 603   {
 604     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 605     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
 606     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
 607     GD_TYPE_SCROLLBAR_HORIZONTAL,
 608     GADGET_ID_SCROLL_HORIZONTAL,
 609     "scroll level editing area horizontally"
 610   },
 611   {
 612     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 613     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
 614     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
 615     GD_TYPE_SCROLLBAR_VERTICAL,
 616     GADGET_ID_SCROLL_VERTICAL,
 617     "scroll level editing area vertically"
 618   },
 619   {
 620     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
 621     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
 622     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
 623     GD_TYPE_SCROLLBAR_VERTICAL,
 624     GADGET_ID_SCROLL_LIST_VERTICAL,
 625     "scroll element list vertically"
 626   }
 627 };
 628
 629 static struct
 630 {
 631   int x, y;
 632   int gadget_id;
 633   int radio_button_nr;
 634   int *value;
 635   int checked_value;
 636   char *text, *infotext;
 637 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
 638 {
 639   {
 640     ED_SETTINGS_XPOS + 160,             ED_COUNTER2_YPOS(8),
 641     GADGET_ID_RANDOM_PERCENTAGE,
 642     RADIO_NR_RANDOM_ELEMENTS,
 643     &random_placement_method,           RANDOM_USE_PERCENTAGE,
 644     "percentage",                       "use percentage for random elements"
 645   },
 646   {
 647     ED_SETTINGS_XPOS + 340,             ED_COUNTER2_YPOS(8),
 648     GADGET_ID_RANDOM_QUANTITY,
 649     RADIO_NR_RANDOM_ELEMENTS,
 650     &random_placement_method,           RANDOM_USE_QUANTITY,
 651     "quantity",                         "use quantity for random elements"
 652   }
 653 };
 654
 655 static struct
 656 {
 657   int x, y;
 658   int gadget_id;
 659   boolean *value;
 660   char *text, *infotext;
 661 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
 662 {
 663   {
 664     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(6) - MINI_TILEY,
 665     GADGET_ID_DOUBLE_SPEED,
 666     &level.double_speed,
 667     "double speed movement",            "set movement speed of player"
 668   },
 669   {
 670     ED_SETTINGS_XPOS + 340,             ED_COUNTER_YPOS(6) - MINI_TILEY,
 671     GADGET_ID_GRAVITY,
 672     &level.gravity,
 673     "gravity",                          "set level gravity"
 674   },
 675   {
 676     ED_SETTINGS_XPOS,                   ED_COUNTER2_YPOS(9) - MINI_TILEY,
 677     GADGET_ID_RANDOM_RESTRICTED,
 678     &random_placement_background_restricted,
 679     "restrict random placement to",     "set random placement restriction"
 680   },
 681   {
 682     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 683     GADGET_ID_STICK_ELEMENT,
 684     &stick_element_properties_window,
 685     "stick window to edit content",     "stick window to edit content"
 686   },
 687   {
 688     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 689     GADGET_ID_EM_SLIPPERY_GEMS,
 690     &level.em_slippery_gems,
 691     "slip down from certain flat walls","use EM style slipping behaviour"
 692   },
 693   {
 694     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 695     GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 696     &custom_element_properties[0].indestructible,
 697     "indestructible",                   "element cannot be destroyed"
 698   },
 699   {
 700     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(5),
 701     GADGET_ID_CUSTOM_CAN_FALL,
 702     &custom_element_properties[0].can_fall,
 703     "can fall",                         "element can fall down"
 704   },
 705   {
 706     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(6),
 707     GADGET_ID_CUSTOM_SLIPPERY,
 708     &custom_element_properties[0].slippery,
 709     "slippery",                         "other elements can fall down from it"
 710   }
 711 };
 712
 713 /* maximal size of level editor drawing area */
 714 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 715 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 716
 717 /* actual size of level editor drawing area */
 718 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
 719
 720 /* actual position of level editor drawing area in level playfield */
 721 static int level_xpos = -1, level_ypos = -1;
 722
 723 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
 724
 725 /* drawing elements on the three mouse buttons */
 726 static int new_element1 = EL_WALL;
 727 static int new_element2 = EL_EMPTY;
 728 static int new_element3 = EL_SAND;
 729
 730 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
 731                                 (button) == 2 ? new_element2 : \
 732                                 (button) == 3 ? new_element3 : EL_EMPTY)
 733 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
 734
 735 /* forward declaration for internal use */
 736 static void ModifyEditorCounter(int, int);
 737 static void ModifyEditorCounterLimits(int, int, int);
 738 static void DrawDrawingWindow();
 739 static void DrawLevelInfoWindow();
 740 static void DrawPropertiesWindow();
 741 static void CopyLevelToUndoBuffer(int);
 742 static void HandleDrawingAreas(struct GadgetInfo *);
 743 static void HandleCounterButtons(struct GadgetInfo *);
 744 static void HandleTextInputGadgets(struct GadgetInfo *);
 745 static void HandleRadiobuttons(struct GadgetInfo *);
 746 static void HandleCheckbuttons(struct GadgetInfo *);
 747 static void HandleControlButtons(struct GadgetInfo *);
 748 static void HandleDrawingAreaInfo(struct GadgetInfo *);
 749
 750 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
 751
 752 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
 753 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
 754 static boolean draw_with_brush = FALSE;
 755 static int properties_element = 0;
 756
 757 static short ElementContent[MAX_ELEMENT_CONTENTS][3][3];
 758 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
 759 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
 760 static int undo_buffer_position = 0;
 761 static int undo_buffer_steps = 0;
 762
 763 static int edit_mode;
 764
 765 static int counter_xsize = DXSIZE + FONT2_XSIZE - 2 * ED_GADGET_DISTANCE;
 766
 767 int element_shift = 0;
 768
 769 int editor_el_boulderdash[] =
 770 {
 771   EL_CHAR('B'),
 772   EL_CHAR('O'),
 773   EL_CHAR('U'),
 774   EL_CHAR('L'),
 775
 776   EL_CHAR('-'),
 777   EL_CHAR('D'),
 778   EL_CHAR('E'),
 779   EL_CHAR('R'),
 780
 781   EL_CHAR('D'),
 782   EL_CHAR('A'),
 783   EL_CHAR('S'),
 784   EL_CHAR('H'),
 785
 786   EL_PLAYER1,
 787   EL_EMPTY,
 788   EL_SAND,
 789   EL_STEELWALL,
 790
 791   EL_BD_WALL,
 792   EL_BD_MAGIC_WALL,
 793   EL_EXIT_CLOSED,
 794   EL_EXIT_OPEN,
 795
 796   EL_BD_DIAMOND,
 797   EL_BD_BUTTERFLY_UP,
 798   EL_BD_FIREFLY_UP,
 799   EL_BD_ROCK,
 800
 801   EL_BD_BUTTERFLY_LEFT,
 802   EL_BD_FIREFLY_LEFT,
 803   EL_BD_BUTTERFLY_RIGHT,
 804   EL_BD_FIREFLY_RIGHT,
 805
 806   EL_BD_AMOEBA,
 807   EL_BD_BUTTERFLY_DOWN,
 808   EL_BD_FIREFLY_DOWN,
 809   EL_EMPTY,
 810 };
 811 int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
 812
 813 int editor_el_emerald_mine[] =
 814 {
 815   EL_CHAR('E'),
 816   EL_CHAR('M'),
 817   EL_CHAR('E'),
 818   EL_CHAR('-'),
 819
 820   EL_CHAR('R'),
 821   EL_CHAR('A'),
 822   EL_CHAR('L'),
 823   EL_CHAR('D'),
 824
 825   EL_CHAR('M'),
 826   EL_CHAR('I'),
 827   EL_CHAR('N'),
 828   EL_CHAR('E'),
 829
 830   EL_PLAYER1,
 831   EL_PLAYER2,
 832   EL_PLAYER3,
 833   EL_PLAYER4,
 834
 835   EL_PLAYER1,
 836   EL_EMPTY,
 837   EL_SAND,
 838   EL_ROCK,
 839
 840   EL_STEELWALL,
 841   EL_WALL,
 842   EL_WALL_CRUMBLED,
 843   EL_MAGIC_WALL,
 844
 845   EL_EMERALD,
 846   EL_DIAMOND,
 847   EL_NUT,
 848   EL_BOMB,
 849
 850   EL_WALL_EMERALD,
 851   EL_WALL_DIAMOND,
 852   EL_QUICKSAND_EMPTY,
 853   EL_QUICKSAND_FULL,
 854
 855   EL_DYNAMITE,
 856   EL_DYNAMITE_ACTIVE,
 857   EL_EXIT_CLOSED,
 858   EL_EXIT_OPEN,
 859
 860   EL_YAMYAM,
 861   EL_BUG_UP,
 862   EL_SPACESHIP_UP,
 863   EL_ROBOT,
 864
 865   EL_BUG_LEFT,
 866   EL_SPACESHIP_LEFT,
 867   EL_BUG_RIGHT,
 868   EL_SPACESHIP_RIGHT,
 869
 870   EL_ROBOT_WHEEL,
 871   EL_BUG_DOWN,
 872   EL_SPACESHIP_DOWN,
 873   EL_INVISIBLE_WALL,
 874
 875   EL_ACIDPOOL_TOPLEFT,
 876   EL_ACID,
 877   EL_ACIDPOOL_TOPRIGHT,
 878   EL_EMPTY,
 879
 880   EL_ACIDPOOL_BOTTOMLEFT,
 881   EL_ACIDPOOL_BOTTOM,
 882   EL_ACIDPOOL_BOTTOMRIGHT,
 883   EL_EMPTY,
 884
 885   EL_AMOEBA_DROP,
 886   EL_AMOEBA_DEAD,
 887   EL_AMOEBA_WET,
 888   EL_AMOEBA_DRY,
 889
 890   EL_EM_KEY1_FILE,
 891   EL_EM_KEY2_FILE,
 892   EL_EM_KEY3_FILE,
 893   EL_EM_KEY4_FILE,
 894
 895   EL_EM_GATE1,
 896   EL_EM_GATE2,
 897   EL_EM_GATE3,
 898   EL_EM_GATE4,
 899
 900   EL_EM_GATE1_GRAY,
 901   EL_EM_GATE2_GRAY,
 902   EL_EM_GATE3_GRAY,
 903   EL_EM_GATE4_GRAY,
 904 };
 905 int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
 906
 907 int editor_el_more[] =
 908 {
 909   EL_CHAR('M'),
 910   EL_CHAR('O'),
 911   EL_CHAR('R'),
 912   EL_CHAR('E'),
 913
 914   EL_KEY1,
 915   EL_KEY2,
 916   EL_KEY3,
 917   EL_KEY4,
 918
 919   EL_GATE1,
 920   EL_GATE2,
 921   EL_GATE3,
 922   EL_GATE4,
 923
 924   EL_GATE1_GRAY,
 925   EL_GATE2_GRAY,
 926   EL_GATE3_GRAY,
 927   EL_GATE4_GRAY,
 928
 929   EL_ARROW_BLUE_LEFT,
 930   EL_ARROW_BLUE_RIGHT,
 931   EL_ARROW_BLUE_UP,
 932   EL_ARROW_BLUE_DOWN,
 933
 934   EL_AMOEBA_FULL,
 935   EL_EMERALD_YELLOW,
 936   EL_EMERALD_RED,
 937   EL_EMERALD_PURPLE,
 938
 939   EL_WALL_BD_DIAMOND,
 940   EL_WALL_EMERALD_YELLOW,
 941   EL_WALL_EMERALD_RED,
 942   EL_WALL_EMERALD_PURPLE,
 943
 944   EL_GAMEOFLIFE,
 945   EL_PACMAN_UP,
 946   EL_TIME_ORB_FULL,
 947   EL_TIME_ORB_EMPTY,
 948
 949   EL_PACMAN_LEFT,
 950   EL_DARK_YAMYAM,
 951   EL_PACMAN_RIGHT,
 952   EL_WALL_GROWING,
 953
 954   EL_BIOMAZE,
 955   EL_PACMAN_DOWN,
 956   EL_LAMP,
 957   EL_LAMP_ACTIVE,
 958
 959   EL_DYNABOMB_NR,
 960   EL_DYNABOMB_SZ,
 961   EL_DYNABOMB_XL,
 962   EL_STONEBLOCK,
 963
 964   EL_MOLE,
 965   EL_PENGUIN,
 966   EL_PIG,
 967   EL_DRAGON,
 968
 969   EL_EMPTY,
 970   EL_MOLE_UP,
 971   EL_EMPTY,
 972   EL_EMPTY,
 973
 974   EL_MOLE_LEFT,
 975   EL_EMPTY,
 976   EL_MOLE_RIGHT,
 977   EL_EMPTY,
 978
 979   EL_EMPTY,
 980   EL_MOLE_DOWN,
 981   EL_BALLOON,
 982   EL_BALLOON_SEND_ANY_DIRECTION,
 983
 984   EL_BALLOON_SEND_LEFT,
 985   EL_BALLOON_SEND_RIGHT,
 986   EL_BALLOON_SEND_UP,
 987   EL_BALLOON_SEND_DOWN,
 988
 989   EL_SATELLITE,
 990   EL_WALL_GROWING_X,
 991   EL_WALL_GROWING_Y,
 992   EL_WALL_GROWING_XY,
 993
 994   EL_INVISIBLE_STEELWALL,
 995   EL_INVISIBLE_WALL,
 996   EL_SPEED_PILL,
 997   EL_BLACK_ORB,
 998
 999   EL_EMC_STEELWALL1,
1000   EL_EMC_WALL_PILLAR_UPPER,
1001   EL_EMC_WALL_PILLAR_MIDDLE,
1002   EL_EMC_WALL_PILLAR_LOWER,
1003
1004   EL_EMC_WALL4,
1005   EL_EMC_WALL5,
1006   EL_EMC_WALL6,
1007   EL_EMC_WALL7,
1008 };
1009 int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1010
1011 int editor_el_sokoban[] =
1012 {
1013   EL_CHAR('S'),
1014   EL_CHAR('O'),
1015   EL_CHAR('K'),
1016   EL_CHAR('O'),
1017
1018   EL_CHAR('-'),
1019   EL_CHAR('B'),
1020   EL_CHAR('A'),
1021   EL_CHAR('N'),
1022
1023   EL_SOKOBAN_OBJECT,
1024   EL_SOKOBAN_FIELD_EMPTY,
1025   EL_SOKOBAN_FIELD_FULL,
1026   EL_STEELWALL,
1027 };
1028 int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1029
1030 int editor_el_supaplex[] =
1031 {
1032   EL_CHAR('S'),
1033   EL_CHAR('U'),
1034   EL_CHAR('P'),
1035   EL_CHAR('A'),
1036
1037   EL_CHAR('P'),
1038   EL_CHAR('L'),
1039   EL_CHAR('E'),
1040   EL_CHAR('X'),
1041
1042   EL_SP_EMPTY,
1043   EL_SP_ZONK,
1044   EL_SP_BASE,
1045   EL_SP_MURPHY,
1046
1047   EL_SP_INFOTRON,
1048   EL_SP_CHIP_SINGLE,
1049   EL_SP_HARD_GRAY,
1050   EL_SP_EXIT_CLOSED,
1051
1052   EL_SP_DISK_ORANGE,
1053   EL_SP_PORT1_RIGHT,
1054   EL_SP_PORT1_DOWN,
1055   EL_SP_PORT1_LEFT,
1056
1057   EL_SP_PORT1_UP,
1058   EL_SP_PORT2_RIGHT,
1059   EL_SP_PORT2_DOWN,
1060   EL_SP_PORT2_LEFT,
1061
1062   EL_SP_PORT2_UP,
1063   EL_SP_SNIKSNAK,
1064   EL_SP_DISK_YELLOW,
1065   EL_SP_TERMINAL,
1066
1067   EL_SP_DISK_RED,
1068   EL_SP_PORT_Y,
1069   EL_SP_PORT_X,
1070   EL_SP_PORT_XY,
1071
1072   EL_SP_ELECTRON,
1073   EL_SP_BUGGY_BASE,
1074   EL_SP_CHIP_LEFT,
1075   EL_SP_CHIP_RIGHT,
1076
1077   EL_SP_HARD_BASE1,
1078   EL_SP_HARD_GREEN,
1079   EL_SP_HARD_BLUE,
1080   EL_SP_HARD_RED,
1081
1082   EL_SP_HARD_YELLOW,
1083   EL_SP_HARD_BASE2,
1084   EL_SP_HARD_BASE3,
1085   EL_SP_HARD_BASE4,
1086
1087   EL_SP_HARD_BASE5,
1088   EL_SP_HARD_BASE6,
1089   EL_SP_CHIP_UPPER,
1090   EL_SP_CHIP_LOWER,
1091 };
1092 int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1093
1094 int editor_el_diamond_caves[] =
1095 {
1096   EL_CHAR('D'),
1097   EL_CHAR('I'),
1098   EL_CHAR('A'),
1099   EL_CHAR('-'),
1100
1101   EL_CHAR('M'),
1102   EL_CHAR('O'),
1103   EL_CHAR('N'),
1104   EL_CHAR('D'),
1105
1106   EL_CHAR('C'),
1107   EL_CHAR('A'),
1108   EL_CHAR('V'),
1109   EL_CHAR('E'),
1110
1111   EL_CHAR('S'),
1112   EL_CHAR(' '),
1113   EL_CHAR('I'),
1114   EL_CHAR('I'),
1115
1116   EL_PEARL,
1117   EL_CRYSTAL,
1118   EL_WALL_PEARL,
1119   EL_WALL_CRYSTAL,
1120
1121   EL_CONVEYOR_BELT1_LEFT,
1122   EL_CONVEYOR_BELT1_MIDDLE,
1123   EL_CONVEYOR_BELT1_RIGHT,
1124   EL_CONVEYOR_BELT1_SWITCH_MIDDLE,
1125
1126   EL_CONVEYOR_BELT2_LEFT,
1127   EL_CONVEYOR_BELT2_MIDDLE,
1128   EL_CONVEYOR_BELT2_RIGHT,
1129   EL_CONVEYOR_BELT2_SWITCH_MIDDLE,
1130
1131   EL_CONVEYOR_BELT3_LEFT,
1132   EL_CONVEYOR_BELT3_MIDDLE,
1133   EL_CONVEYOR_BELT3_RIGHT,
1134   EL_CONVEYOR_BELT3_SWITCH_MIDDLE,
1135
1136   EL_CONVEYOR_BELT4_LEFT,
1137   EL_CONVEYOR_BELT4_MIDDLE,
1138   EL_CONVEYOR_BELT4_RIGHT,
1139   EL_CONVEYOR_BELT4_SWITCH_MIDDLE,
1140
1141   EL_CONVEYOR_BELT1_SWITCH_LEFT,
1142   EL_CONVEYOR_BELT2_SWITCH_LEFT,
1143   EL_CONVEYOR_BELT3_SWITCH_LEFT,
1144   EL_CONVEYOR_BELT4_SWITCH_LEFT,
1145
1146   EL_CONVEYOR_BELT1_SWITCH_RIGHT,
1147   EL_CONVEYOR_BELT2_SWITCH_RIGHT,
1148   EL_CONVEYOR_BELT3_SWITCH_RIGHT,
1149   EL_CONVEYOR_BELT4_SWITCH_RIGHT,
1150
1151   EL_SWITCHGATE_OPEN,
1152   EL_SWITCHGATE_CLOSED,
1153   EL_SWITCHGATE_SWITCH_UP,
1154   EL_ENVELOPE,
1155
1156   EL_TIMEGATE_CLOSED,
1157   EL_TIMEGATE_OPEN,
1158   EL_TIMEGATE_SWITCH,
1159   EL_EMPTY,
1160
1161   EL_LANDMINE,
1162   EL_INVISIBLE_SAND,
1163   EL_STEELWALL_SLANTED,
1164   EL_EMPTY,
1165
1166   EL_SIGN_EXCLAMATION,
1167   EL_SIGN_STOP,
1168   EL_LIGHT_SWITCH,
1169   EL_LIGHT_SWITCH_ACTIVE,
1170
1171   EL_SHIELD_NORMAL,
1172   EL_SHIELD_DEADLY,
1173   EL_EXTRA_TIME,
1174   EL_EMPTY,
1175 };
1176 int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1177
1178 int editor_el_dx_boulderdash[] =
1179 {
1180   EL_CHAR('D'),
1181   EL_CHAR('X'),
1182   EL_CHAR('-'),
1183   EL_CHAR(' '),
1184
1185   EL_CHAR('B'),
1186   EL_CHAR('O'),
1187   EL_CHAR('U'),
1188   EL_CHAR('L'),
1189
1190   EL_CHAR('-'),
1191   EL_CHAR('D'),
1192   EL_CHAR('E'),
1193   EL_CHAR('R'),
1194
1195   EL_CHAR('D'),
1196   EL_CHAR('A'),
1197   EL_CHAR('S'),
1198   EL_CHAR('H'),
1199
1200   EL_SPRING,
1201   EL_TUBE_RIGHT_DOWN,
1202   EL_TUBE_HORIZONTAL_DOWN,
1203   EL_TUBE_LEFT_DOWN,
1204
1205   EL_TUBE_HORIZONTAL,
1206   EL_TUBE_VERTICAL_RIGHT,
1207   EL_TUBE_ALL,
1208   EL_TUBE_VERTICAL_LEFT,
1209
1210   EL_TUBE_VERTICAL,
1211   EL_TUBE_RIGHT_UP,
1212   EL_TUBE_HORIZONTAL_UP,
1213   EL_TUBE_LEFT_UP,
1214
1215   EL_TRAP,
1216   EL_DX_SUPABOMB,
1217   EL_EMPTY,
1218   EL_EMPTY
1219 };
1220 int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
1221
1222 int editor_el_chars[] =
1223 {
1224   EL_CHAR('T'),
1225   EL_CHAR('E'),
1226   EL_CHAR('X'),
1227   EL_CHAR('T'),
1228
1229   EL_CHAR(' '),
1230   EL_CHAR('!'),
1231   EL_CHAR('"'),
1232   EL_CHAR('#'),
1233
1234   EL_CHAR('$'),
1235   EL_CHAR('%'),
1236   EL_CHAR('&'),
1237   EL_CHAR('\''),
1238
1239   EL_CHAR('('),
1240   EL_CHAR(')'),
1241   EL_CHAR('*'),
1242   EL_CHAR('+'),
1243
1244   EL_CHAR(','),
1245   EL_CHAR('-'),
1246   EL_CHAR('.'),
1247   EL_CHAR('/'),
1248
1249   EL_CHAR('0'),
1250   EL_CHAR('1'),
1251   EL_CHAR('2'),
1252   EL_CHAR('3'),
1253
1254   EL_CHAR('4'),
1255   EL_CHAR('5'),
1256   EL_CHAR('6'),
1257   EL_CHAR('7'),
1258
1259   EL_CHAR('8'),
1260   EL_CHAR('9'),
1261   EL_CHAR(':'),
1262   EL_CHAR(';'),
1263
1264   EL_CHAR('<'),
1265   EL_CHAR('='),
1266   EL_CHAR('>'),
1267   EL_CHAR('?'),
1268
1269   EL_CHAR('@'),
1270   EL_CHAR('A'),
1271   EL_CHAR('B'),
1272   EL_CHAR('C'),
1273
1274   EL_CHAR('D'),
1275   EL_CHAR('E'),
1276   EL_CHAR('F'),
1277   EL_CHAR('G'),
1278
1279   EL_CHAR('H'),
1280   EL_CHAR('I'),
1281   EL_CHAR('J'),
1282   EL_CHAR('K'),
1283
1284   EL_CHAR('L'),
1285   EL_CHAR('M'),
1286   EL_CHAR('N'),
1287   EL_CHAR('O'),
1288
1289   EL_CHAR('P'),
1290   EL_CHAR('Q'),
1291   EL_CHAR('R'),
1292   EL_CHAR('S'),
1293
1294   EL_CHAR('T'),
1295   EL_CHAR('U'),
1296   EL_CHAR('V'),
1297   EL_CHAR('W'),
1298
1299   EL_CHAR('X'),
1300   EL_CHAR('Y'),
1301   EL_CHAR('Z'),
1302   EL_CHAR('Ä'),
1303
1304   EL_CHAR('Ö'),
1305   EL_CHAR('Ü'),
1306   EL_CHAR('^'),
1307   EL_CHAR('_'),
1308
1309   EL_CHAR(' '),
1310   EL_CHAR('°'),
1311   EL_CHAR('´'),
1312   EL_CHAR('|')
1313 };
1314 int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
1315
1316 int editor_el_custom[] =
1317 {
1318   EL_CHAR('C'),
1319   EL_CHAR('U'),
1320   EL_CHAR('S'),
1321   EL_CHAR('-'),
1322
1323   EL_CHAR('T'),
1324   EL_CHAR('O'),
1325   EL_CHAR('M'),
1326   EL_CHAR(' '),
1327
1328   EL_CHAR('E'),
1329   EL_CHAR('L'),
1330   EL_CHAR('E'),
1331   EL_CHAR('M'),
1332
1333   EL_CHAR('E'),
1334   EL_CHAR('N'),
1335   EL_CHAR('T'),
1336   EL_CHAR('S'),
1337
1338   EL_CUSTOM_START + 0,
1339   EL_CUSTOM_START + 1,
1340   EL_CUSTOM_START + 2,
1341   EL_CUSTOM_START + 3,
1342
1343   EL_CUSTOM_START + 4,
1344   EL_CUSTOM_START + 5,
1345   EL_CUSTOM_START + 6,
1346   EL_CUSTOM_START + 7,
1347
1348   EL_CUSTOM_START + 8,
1349   EL_CUSTOM_START + 9,
1350   EL_CUSTOM_START + 10,
1351   EL_CUSTOM_START + 11,
1352
1353   EL_CUSTOM_START + 12,
1354   EL_CUSTOM_START + 13,
1355   EL_CUSTOM_START + 14,
1356   EL_CUSTOM_START + 15,
1357
1358   EL_CUSTOM_START + 16,
1359   EL_CUSTOM_START + 17,
1360   EL_CUSTOM_START + 18,
1361   EL_CUSTOM_START + 19,
1362
1363   EL_CUSTOM_START + 20,
1364   EL_CUSTOM_START + 21,
1365   EL_CUSTOM_START + 22,
1366   EL_CUSTOM_START + 23,
1367
1368   EL_CUSTOM_START + 24,
1369   EL_CUSTOM_START + 25,
1370   EL_CUSTOM_START + 26,
1371   EL_CUSTOM_START + 27,
1372
1373   EL_CUSTOM_START + 28,
1374   EL_CUSTOM_START + 29,
1375   EL_CUSTOM_START + 30,
1376   EL_CUSTOM_START + 31,
1377
1378   EL_CUSTOM_START + 32,
1379   EL_CUSTOM_START + 33,
1380   EL_CUSTOM_START + 34,
1381   EL_CUSTOM_START + 35,
1382
1383   EL_CUSTOM_START + 36,
1384   EL_CUSTOM_START + 37,
1385   EL_CUSTOM_START + 38,
1386   EL_CUSTOM_START + 39,
1387
1388   EL_CUSTOM_START + 40,
1389   EL_CUSTOM_START + 41,
1390   EL_CUSTOM_START + 42,
1391   EL_CUSTOM_START + 43,
1392
1393   EL_CUSTOM_START + 44,
1394   EL_CUSTOM_START + 45,
1395   EL_CUSTOM_START + 46,
1396   EL_CUSTOM_START + 47,
1397
1398   EL_CUSTOM_START + 48,
1399   EL_CUSTOM_START + 49,
1400   EL_CUSTOM_START + 50,
1401   EL_CUSTOM_START + 51,
1402
1403   EL_CUSTOM_START + 52,
1404   EL_CUSTOM_START + 53,
1405   EL_CUSTOM_START + 54,
1406   EL_CUSTOM_START + 55,
1407
1408   EL_CUSTOM_START + 56,
1409   EL_CUSTOM_START + 57,
1410   EL_CUSTOM_START + 58,
1411   EL_CUSTOM_START + 59,
1412
1413   EL_CUSTOM_START + 60,
1414   EL_CUSTOM_START + 61,
1415   EL_CUSTOM_START + 62,
1416   EL_CUSTOM_START + 63,
1417
1418   EL_CUSTOM_START + 64,
1419   EL_CUSTOM_START + 65,
1420   EL_CUSTOM_START + 66,
1421   EL_CUSTOM_START + 67,
1422
1423   EL_CUSTOM_START + 68,
1424   EL_CUSTOM_START + 69,
1425   EL_CUSTOM_START + 70,
1426   EL_CUSTOM_START + 71,
1427
1428   EL_CUSTOM_START + 72,
1429   EL_CUSTOM_START + 73,
1430   EL_CUSTOM_START + 74,
1431   EL_CUSTOM_START + 75,
1432
1433   EL_CUSTOM_START + 76,
1434   EL_CUSTOM_START + 77,
1435   EL_CUSTOM_START + 78,
1436   EL_CUSTOM_START + 79,
1437
1438   EL_CUSTOM_START + 80,
1439   EL_CUSTOM_START + 81,
1440   EL_CUSTOM_START + 82,
1441   EL_CUSTOM_START + 83,
1442
1443   EL_CUSTOM_START + 84,
1444   EL_CUSTOM_START + 85,
1445   EL_CUSTOM_START + 86,
1446   EL_CUSTOM_START + 87,
1447
1448   EL_CUSTOM_START + 88,
1449   EL_CUSTOM_START + 89,
1450   EL_CUSTOM_START + 90,
1451   EL_CUSTOM_START + 91,
1452
1453   EL_CUSTOM_START + 92,
1454   EL_CUSTOM_START + 93,
1455   EL_CUSTOM_START + 94,
1456   EL_CUSTOM_START + 95,
1457
1458   EL_CUSTOM_START + 96,
1459   EL_CUSTOM_START + 97,
1460   EL_CUSTOM_START + 98,
1461   EL_CUSTOM_START + 99,
1462
1463   EL_CUSTOM_START + 100,
1464   EL_CUSTOM_START + 101,
1465   EL_CUSTOM_START + 102,
1466   EL_CUSTOM_START + 103,
1467
1468   EL_CUSTOM_START + 104,
1469   EL_CUSTOM_START + 105,
1470   EL_CUSTOM_START + 106,
1471   EL_CUSTOM_START + 107,
1472
1473   EL_CUSTOM_START + 108,
1474   EL_CUSTOM_START + 109,
1475   EL_CUSTOM_START + 110,
1476   EL_CUSTOM_START + 111,
1477
1478   EL_CUSTOM_START + 112,
1479   EL_CUSTOM_START + 113,
1480   EL_CUSTOM_START + 114,
1481   EL_CUSTOM_START + 115,
1482
1483   EL_CUSTOM_START + 116,
1484   EL_CUSTOM_START + 117,
1485   EL_CUSTOM_START + 118,
1486   EL_CUSTOM_START + 119,
1487
1488   EL_CUSTOM_START + 120,
1489   EL_CUSTOM_START + 121,
1490   EL_CUSTOM_START + 122,
1491   EL_CUSTOM_START + 123,
1492
1493   EL_CUSTOM_START + 124,
1494   EL_CUSTOM_START + 125,
1495   EL_CUSTOM_START + 126,
1496   EL_CUSTOM_START + 127
1497 };
1498 int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
1499
1500 int *editor_elements = NULL;    /* dynamically allocated */
1501 int num_editor_elements = 0;    /* dynamically determined */
1502
1503 struct
1504 {
1505   boolean *setup_value;
1506   int *element_list;
1507   int *element_list_size;
1508
1509   boolean last_setup_value;
1510 }
1511 editor_elements_info[] =
1512 {
1513   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
1514     &num_editor_el_boulderdash                                          },
1515   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
1516     &num_editor_el_emerald_mine                                         },
1517   { &setup.editor.el_more,              editor_el_more,
1518     &num_editor_el_more                                                 },
1519   { &setup.editor.el_sokoban,           editor_el_sokoban,
1520     &num_editor_el_sokoban                                              },
1521   { &setup.editor.el_supaplex,          editor_el_supaplex,
1522     &num_editor_el_supaplex                                             },
1523   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
1524     &num_editor_el_diamond_caves                                        },
1525   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
1526     &num_editor_el_dx_boulderdash                                       },
1527   { &setup.editor.el_chars,             editor_el_chars,
1528     &num_editor_el_chars                                                },
1529   { &setup.editor.el_custom,            editor_el_custom,
1530     &num_editor_el_custom                                               },
1531   { NULL,                               NULL,
1532     NULL                                                                }
1533 };
1534
1535 static void ReinitializeElementList()
1536 {
1537   int pos = 0;
1538   int i, j;
1539
1540   if (editor_elements != NULL)
1541     free(editor_elements);
1542
1543   num_editor_elements = 0;
1544
1545   /* determine size of element list */
1546   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1547     if (*editor_elements_info[i].setup_value)
1548       num_editor_elements += *editor_elements_info[i].element_list_size;
1549
1550   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
1551   {
1552     /* workaround: offer at least as many elements as element buttons exist */
1553     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
1554
1555     *editor_elements_info[list_nr].setup_value = TRUE;
1556     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
1557   }
1558
1559   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
1560
1561   /* fill element list */
1562   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1563     if (*editor_elements_info[i].setup_value)
1564       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
1565         editor_elements[pos++] = editor_elements_info[i].element_list[j];
1566 }
1567
1568 static void ReinitializeElementListButtons()
1569 {
1570   static boolean initialization_needed = TRUE;
1571   int i;
1572
1573   if (!initialization_needed)   /* check if editor element setup has changed */
1574     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1575       if (editor_elements_info[i].last_setup_value !=
1576           *editor_elements_info[i].setup_value)
1577         initialization_needed = TRUE;
1578
1579   if (!initialization_needed)
1580     return;
1581
1582   FreeLevelEditorGadgets();
1583   CreateLevelEditorGadgets();
1584
1585   /* store current setup values for next invocation of this function */
1586   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1587     editor_elements_info[i].last_setup_value =
1588       *editor_elements_info[i].setup_value;
1589
1590   initialization_needed = FALSE;
1591 }
1592
1593 static char *getElementInfoText(int element)
1594 {
1595   char *info_text = NULL;
1596
1597   if (element < NUM_FILE_ELEMENTS)
1598   {
1599     if (element_info[element].custom_description != NULL)
1600       info_text = element_info[element].custom_description;
1601     else if (element_info[element].editor_description != NULL)
1602       info_text = element_info[element].editor_description;
1603   }
1604
1605   if (info_text == NULL)
1606   {
1607     info_text = "unknown";
1608
1609     Error(ERR_WARN, "no element description for element %d", element);
1610   }
1611
1612   return info_text;
1613 }
1614
1615 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
1616 {
1617   int x,y;
1618   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
1619   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
1620
1621   BlitBitmap(drawto, drawto,
1622              SX + (dx == -1 ? MINI_TILEX : 0),
1623              SY + (dy == -1 ? MINI_TILEY : 0),
1624              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
1625              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
1626              SX + (dx == +1 ? MINI_TILEX : 0),
1627              SY + (dy == +1 ? MINI_TILEY : 0));
1628   if (dx)
1629   {
1630     x = (dx == 1 ? 0 : ed_fieldx - 1);
1631     for(y=0; y<ed_fieldy; y++)
1632       DrawMiniElementOrWall(x, y, from_x, from_y);
1633   }
1634   else if (dy)
1635   {
1636     y = (dy == 1 ? 0 : ed_fieldy - 1);
1637     for(x=0; x<ed_fieldx; x++)
1638       DrawMiniElementOrWall(x, y, from_x, from_y);
1639   }
1640
1641   redraw_mask |= REDRAW_FIELD;
1642   BackToFront();
1643 }
1644
1645 static void CreateControlButtons()
1646 {
1647   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
1648   struct GadgetInfo *gi;
1649   unsigned long event_mask;
1650   int i;
1651
1652   /* create toolbox buttons */
1653   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
1654   {
1655     int id = i;
1656     int width, height;
1657     int gd_xoffset, gd_yoffset;
1658     int gd_x1, gd_x2, gd_y1, gd_y2;
1659     int button_type;
1660     int radio_button_nr;
1661     boolean checked;
1662
1663     if (id == GADGET_ID_SINGLE_ITEMS ||
1664         id == GADGET_ID_CONNECTED_ITEMS ||
1665         id == GADGET_ID_LINE ||
1666         id == GADGET_ID_ARC ||
1667         id == GADGET_ID_TEXT ||
1668         id == GADGET_ID_RECTANGLE ||
1669         id == GADGET_ID_FILLED_BOX ||
1670         id == GADGET_ID_FLOOD_FILL ||
1671         id == GADGET_ID_GRAB_BRUSH ||
1672         id == GADGET_ID_PICK_ELEMENT)
1673     {
1674       button_type = GD_TYPE_RADIO_BUTTON;
1675       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
1676       checked = (id == drawing_function ? TRUE : FALSE);
1677       event_mask = GD_EVENT_PRESSED;
1678     }
1679     else
1680     {
1681       button_type = GD_TYPE_NORMAL_BUTTON;
1682       radio_button_nr = RADIO_NR_NONE;
1683       checked = FALSE;
1684
1685       if (id == GADGET_ID_WRAP_LEFT ||
1686           id == GADGET_ID_WRAP_RIGHT ||
1687           id == GADGET_ID_WRAP_UP ||
1688           id == GADGET_ID_WRAP_DOWN)
1689         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1690       else
1691         event_mask = GD_EVENT_RELEASED;
1692     }
1693
1694     if (id < ED_NUM_CTRL1_BUTTONS)
1695     {
1696       int x = i % ED_CTRL1_BUTTONS_HORIZ;
1697       int y = i / ED_CTRL1_BUTTONS_HORIZ;
1698
1699       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
1700       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
1701       width = ED_CTRL1_BUTTON_XSIZE;
1702       height = ED_CTRL1_BUTTON_YSIZE;
1703     }
1704     else
1705     {
1706       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
1707       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
1708
1709       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
1710       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
1711       width = ED_CTRL2_BUTTON_XSIZE;
1712       height = ED_CTRL2_BUTTON_YSIZE;
1713     }
1714
1715     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
1716     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
1717     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
1718     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
1719
1720     gi = CreateGadget(GDI_CUSTOM_ID, id,
1721                       GDI_CUSTOM_TYPE_ID, i,
1722                       GDI_INFO_TEXT, control_info[i].text,
1723                       GDI_X, EX + gd_xoffset,
1724                       GDI_Y, EY + gd_yoffset,
1725                       GDI_WIDTH, width,
1726                       GDI_HEIGHT, height,
1727                       GDI_TYPE, button_type,
1728                       GDI_STATE, GD_BUTTON_UNPRESSED,
1729                       GDI_RADIO_NR, radio_button_nr,
1730                       GDI_CHECKED, checked,
1731                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
1732                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
1733                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
1734                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
1735                       GDI_EVENT_MASK, event_mask,
1736                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1737                       GDI_CALLBACK_ACTION, HandleControlButtons,
1738                       GDI_END);
1739
1740     if (gi == NULL)
1741       Error(ERR_EXIT, "cannot create gadget");
1742
1743     level_editor_gadget[id] = gi;
1744   }
1745
1746   /* create buttons for scrolling of drawing area and element list */
1747   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
1748   {
1749     int id = scrollbutton_info[i].gadget_id;
1750     int x, y, width, height;
1751     int gd_x1, gd_x2, gd_y1, gd_y2;
1752
1753     x = scrollbutton_info[i].x;
1754     y = scrollbutton_info[i].y;
1755
1756     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1757
1758     if (id == GADGET_ID_SCROLL_LIST_UP ||
1759         id == GADGET_ID_SCROLL_LIST_DOWN)
1760     {
1761       x += DX;
1762       y += DY;
1763       width = ED_SCROLLBUTTON2_XSIZE;
1764       height = ED_SCROLLBUTTON2_YSIZE;
1765       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
1766       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
1767       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
1768       gd_y2 = gd_y1;
1769     }
1770     else
1771     {
1772       x += SX;
1773       y += SY;
1774       width = ED_SCROLLBUTTON_XSIZE;
1775       height = ED_SCROLLBUTTON_YSIZE;
1776       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
1777       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
1778       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
1779       gd_y2 = gd_y1;
1780     }
1781
1782     gi = CreateGadget(GDI_CUSTOM_ID, id,
1783                       GDI_CUSTOM_TYPE_ID, i,
1784                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
1785                       GDI_X, x,
1786                       GDI_Y, y,
1787                       GDI_WIDTH, width,
1788                       GDI_HEIGHT, height,
1789                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1790                       GDI_STATE, GD_BUTTON_UNPRESSED,
1791                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
1792                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
1793                       GDI_EVENT_MASK, event_mask,
1794                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1795                       GDI_CALLBACK_ACTION, HandleControlButtons,
1796                       GDI_END);
1797
1798     if (gi == NULL)
1799       Error(ERR_EXIT, "cannot create gadget");
1800
1801     level_editor_gadget[id] = gi;
1802   }
1803
1804   /* create buttons for element list */
1805   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
1806   {
1807     Bitmap *deco_bitmap;
1808     int deco_x, deco_y, deco_xpos, deco_ypos;
1809     int gd_xoffset, gd_yoffset;
1810     int gd_x1, gd_x2, gd_y;
1811     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
1812     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
1813     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
1814     int element = editor_elements[i];
1815
1816     event_mask = GD_EVENT_RELEASED;
1817
1818     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
1819     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
1820
1821     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
1822     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
1823     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
1824
1825     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
1826     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
1827     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
1828
1829     gi = CreateGadget(GDI_CUSTOM_ID, id,
1830                       GDI_CUSTOM_TYPE_ID, i,
1831                       GDI_INFO_TEXT, getElementInfoText(element),
1832                       GDI_X, DX + gd_xoffset,
1833                       GDI_Y, DY + gd_yoffset,
1834                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
1835                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
1836                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1837                       GDI_STATE, GD_BUTTON_UNPRESSED,
1838                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
1839                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
1840                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
1841                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
1842                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
1843                       GDI_DECORATION_SHIFTING, 1, 1,
1844                       GDI_EVENT_MASK, event_mask,
1845                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1846                       GDI_CALLBACK_ACTION, HandleControlButtons,
1847                       GDI_END);
1848
1849     if (gi == NULL)
1850       Error(ERR_EXIT, "cannot create gadget");
1851
1852     level_editor_gadget[id] = gi;
1853   }
1854 }
1855
1856 static void CreateCounterButtons()
1857 {
1858   int i;
1859
1860   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
1861   {
1862     int j;
1863     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
1864     int ypos = SY + counterbutton_info[i].y;
1865
1866     for (j=0; j<2; j++)
1867     {
1868       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
1869       struct GadgetInfo *gi;
1870       int id = (j == 0 ?
1871                 counterbutton_info[i].gadget_id_down :
1872                 counterbutton_info[i].gadget_id_up);
1873       int gd_xoffset;
1874       int gd_x, gd_x1, gd_x2, gd_y;
1875       int x_size, y_size;
1876       unsigned long event_mask;
1877       char infotext[MAX_INFOTEXT_LEN + 1];
1878
1879       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1880
1881       if (i == ED_COUNTER_ID_SELECT_LEVEL)
1882       {
1883         int sid = (j == 0 ?
1884                    ED_SCROLLBUTTON_ID_AREA_LEFT :
1885                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
1886
1887         event_mask |= GD_EVENT_RELEASED;
1888
1889         if (j == 1)
1890           xpos += 2 * ED_GADGET_DISTANCE;
1891         ypos += ED_GADGET_DISTANCE;
1892
1893         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].xpos;
1894         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
1895         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].ypos;
1896         x_size = ED_SCROLLBUTTON_XSIZE;
1897         y_size = ED_SCROLLBUTTON_YSIZE;
1898       }
1899       else
1900       {
1901         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
1902         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
1903         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
1904         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
1905         x_size = ED_BUTTON_COUNT_XSIZE;
1906         y_size = ED_BUTTON_COUNT_YSIZE;
1907       }
1908
1909       sprintf(infotext, "%s counter value by 1, 5 or 10",
1910               (j == 0 ? "decrease" : "increase"));
1911
1912       gi = CreateGadget(GDI_CUSTOM_ID, id,
1913                         GDI_CUSTOM_TYPE_ID, i,
1914                         GDI_INFO_TEXT, infotext,
1915                         GDI_X, xpos,
1916                         GDI_Y, ypos,
1917                         GDI_WIDTH, x_size,
1918                         GDI_HEIGHT, y_size,
1919                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1920                         GDI_STATE, GD_BUTTON_UNPRESSED,
1921                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
1922                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
1923                         GDI_EVENT_MASK, event_mask,
1924                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1925                         GDI_CALLBACK_ACTION, HandleCounterButtons,
1926                         GDI_END);
1927
1928       if (gi == NULL)
1929         Error(ERR_EXIT, "cannot create gadget");
1930
1931       level_editor_gadget[id] = gi;
1932       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
1933
1934       if (j == 0)
1935       {
1936         int font_type = FC_YELLOW;
1937         int gd_width = ED_WIN_COUNT_XSIZE;
1938
1939         id = counterbutton_info[i].gadget_id_text;
1940         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
1941
1942         if (i == ED_COUNTER_ID_SELECT_LEVEL)
1943         {
1944           font_type = FC_SPECIAL3;
1945
1946           xpos += 2 * ED_GADGET_DISTANCE;
1947           ypos -= ED_GADGET_DISTANCE;
1948
1949           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
1950           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
1951           gd_width = ED_WIN_COUNT2_XSIZE;
1952         }
1953         else
1954         {
1955           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
1956           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
1957         }
1958
1959         gi = CreateGadget(GDI_CUSTOM_ID, id,
1960                           GDI_CUSTOM_TYPE_ID, i,
1961                           GDI_INFO_TEXT, "enter counter value",
1962                           GDI_X, xpos,
1963                           GDI_Y, ypos,
1964                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
1965                           GDI_NUMBER_VALUE, 0,
1966                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
1967                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
1968                           GDI_TEXT_SIZE, 3,
1969                           GDI_TEXT_FONT, font_type,
1970                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
1971                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
1972                           GDI_BORDER_SIZE, ED_BORDER_SIZE,
1973                           GDI_TEXTINPUT_DESIGN_WIDTH, gd_width,
1974                           GDI_EVENT_MASK, event_mask,
1975                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1976                           GDI_CALLBACK_ACTION, HandleCounterButtons,
1977                           GDI_END);
1978
1979         if (gi == NULL)
1980           Error(ERR_EXIT, "cannot create gadget");
1981
1982         level_editor_gadget[id] = gi;
1983         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
1984       }
1985     }
1986   }
1987 }
1988
1989 static void CreateDrawingAreas()
1990 {
1991   struct GadgetInfo *gi;
1992   unsigned long event_mask;
1993   int id;
1994   int i;
1995
1996   event_mask =
1997     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
1998     GD_EVENT_OFF_BORDERS;
1999
2000   /* one for the level drawing area ... */
2001   id = GADGET_ID_DRAWING_LEVEL;
2002   gi = CreateGadget(GDI_CUSTOM_ID, id,
2003                     GDI_X, SX,
2004                     GDI_Y, SY,
2005                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2006                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2007                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2008                     GDI_EVENT_MASK, event_mask,
2009                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2010                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2011                     GDI_END);
2012
2013   if (gi == NULL)
2014     Error(ERR_EXIT, "cannot create gadget");
2015
2016   level_editor_gadget[id] = gi;
2017
2018   /* ... up to eight areas for element content ... */
2019   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2020   {
2021     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
2022     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
2023
2024     id = GADGET_ID_ELEM_CONTENT_0 + i;
2025     gi = CreateGadget(GDI_CUSTOM_ID, id,
2026                       GDI_CUSTOM_TYPE_ID, i,
2027                       GDI_X, gx,
2028                       GDI_Y, gy,
2029                       GDI_WIDTH, 3 * MINI_TILEX,
2030                       GDI_HEIGHT, 3 * MINI_TILEY,
2031                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2032                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2033                       GDI_EVENT_MASK, event_mask,
2034                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2035                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2036                       GDI_END);
2037
2038     if (gi == NULL)
2039       Error(ERR_EXIT, "cannot create gadget");
2040
2041     level_editor_gadget[id] = gi;
2042   }
2043
2044   /* ... one for the amoeba content */
2045   id = GADGET_ID_AMOEBA_CONTENT;
2046   gi = CreateGadget(GDI_CUSTOM_ID, id,
2047                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2048                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2049                     GDI_WIDTH, MINI_TILEX,
2050                     GDI_HEIGHT, MINI_TILEY,
2051                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2052                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2053                     GDI_EVENT_MASK, event_mask,
2054                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2055                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2056                     GDI_END);
2057
2058   if (gi == NULL)
2059     Error(ERR_EXIT, "cannot create gadget");
2060
2061   level_editor_gadget[id] = gi;
2062
2063   /* ... and one for random placement background restrictions */
2064
2065   id = GADGET_ID_RANDOM_BACKGROUND;
2066   gi = CreateGadget(GDI_CUSTOM_ID, id,
2067                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2068                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2069                     GDI_WIDTH, MINI_TILEX,
2070                     GDI_HEIGHT, MINI_TILEY,
2071                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2072                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2073                     GDI_EVENT_MASK, event_mask,
2074                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2075                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2076                     GDI_END);
2077
2078   if (gi == NULL)
2079     Error(ERR_EXIT, "cannot create gadget");
2080
2081   level_editor_gadget[id] = gi;
2082 }
2083
2084 static void CreateTextInputGadgets()
2085 {
2086   int i;
2087
2088   for (i=0; i<ED_NUM_TEXTINPUT; i++)
2089   {
2090     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2091     int gd_x, gd_y;
2092     struct GadgetInfo *gi;
2093     unsigned long event_mask;
2094     char infotext[1024];
2095     int id = textinput_info[i].gadget_id;
2096
2097     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2098
2099     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2100     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2101
2102     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
2103     infotext[MAX_INFOTEXT_LEN] = '\0';
2104
2105     gi = CreateGadget(GDI_CUSTOM_ID, id,
2106                       GDI_CUSTOM_TYPE_ID, i,
2107                       GDI_INFO_TEXT, infotext,
2108                       GDI_X, SX + textinput_info[i].x,
2109                       GDI_Y, SY + textinput_info[i].y,
2110                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
2111                       GDI_TEXT_VALUE, textinput_info[i].value,
2112                       GDI_TEXT_SIZE, textinput_info[i].size,
2113                       GDI_TEXT_FONT, FC_YELLOW,
2114                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2115                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2116                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
2117                       GDI_TEXTINPUT_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2118                       GDI_EVENT_MASK, event_mask,
2119                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2120                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
2121                       GDI_END);
2122
2123     if (gi == NULL)
2124       Error(ERR_EXIT, "cannot create gadget");
2125
2126     level_editor_gadget[id] = gi;
2127   }
2128 }
2129
2130 static void CreateScrollbarGadgets()
2131 {
2132   int i;
2133
2134   for (i=0; i<ED_NUM_SCROLLBARS; i++)
2135   {
2136     int id = scrollbar_info[i].gadget_id;
2137     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2138     int gd_x1, gd_x2, gd_y1, gd_y2;
2139     struct GadgetInfo *gi;
2140     int items_max, items_visible, item_position;
2141     unsigned long event_mask;
2142
2143     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
2144     {
2145       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
2146       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
2147       item_position = 0;
2148     }
2149     else        /* drawing area scrollbars */
2150     {
2151       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
2152       {
2153         items_max = MAX(lev_fieldx + 2, ed_fieldx);
2154         items_visible = ed_fieldx;
2155         item_position = 0;
2156       }
2157       else
2158       {
2159         items_max = MAX(lev_fieldy + 2, ed_fieldy);
2160         items_visible = ed_fieldy;
2161         item_position = 0;
2162       }
2163     }
2164
2165     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2166
2167     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].xpos;
2168     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
2169                       scrollbar_info[i].height : scrollbar_info[i].width));
2170     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2171     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2172
2173     gi = CreateGadget(GDI_CUSTOM_ID, id,
2174                       GDI_CUSTOM_TYPE_ID, i,
2175                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2176                       GDI_X, scrollbar_info[i].x,
2177                       GDI_Y, scrollbar_info[i].y,
2178                       GDI_WIDTH, scrollbar_info[i].width,
2179                       GDI_HEIGHT, scrollbar_info[i].height,
2180                       GDI_TYPE, scrollbar_info[i].type,
2181                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2182                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2183                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2184                       GDI_STATE, GD_BUTTON_UNPRESSED,
2185                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2186                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2187                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
2188                       GDI_EVENT_MASK, event_mask,
2189                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2190                       GDI_CALLBACK_ACTION, HandleControlButtons,
2191                       GDI_END);
2192
2193     if (gi == NULL)
2194       Error(ERR_EXIT, "cannot create gadget");
2195
2196     level_editor_gadget[id] = gi;
2197   }
2198 }
2199
2200 static void CreateCheckbuttonGadgets()
2201 {
2202   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2203   struct GadgetInfo *gi;
2204   unsigned long event_mask;
2205   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
2206   boolean checked;
2207   int i;
2208
2209   event_mask = GD_EVENT_PRESSED;
2210
2211   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2212   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2213   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
2214   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
2215   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
2216
2217   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
2218   {
2219     int id = radiobutton_info[i].gadget_id;
2220
2221     checked =
2222       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2223
2224     gi = CreateGadget(GDI_CUSTOM_ID, id,
2225                       GDI_CUSTOM_TYPE_ID, i,
2226                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
2227                       GDI_X, SX + radiobutton_info[i].x,
2228                       GDI_Y, SY + radiobutton_info[i].y,
2229                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2230                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2231                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
2232                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
2233                       GDI_CHECKED, checked,
2234                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2235                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2236                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2237                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2238                       GDI_EVENT_MASK, event_mask,
2239                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2240                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
2241                       GDI_END);
2242
2243     if (gi == NULL)
2244       Error(ERR_EXIT, "cannot create gadget");
2245
2246     level_editor_gadget[id] = gi;
2247   }
2248
2249   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
2250   {
2251     int id = checkbutton_info[i].gadget_id;
2252
2253     if (id == GADGET_ID_STICK_ELEMENT)
2254       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
2255     else
2256       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
2257
2258     gi = CreateGadget(GDI_CUSTOM_ID, id,
2259                       GDI_CUSTOM_TYPE_ID, i,
2260                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
2261                       GDI_X, SX + checkbutton_info[i].x,
2262                       GDI_Y, SY + checkbutton_info[i].y,
2263                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2264                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2265                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
2266                       GDI_CHECKED, *checkbutton_info[i].value,
2267                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2268                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2269                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2270                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2271                       GDI_EVENT_MASK, event_mask,
2272                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2273                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
2274                       GDI_END);
2275
2276     if (gi == NULL)
2277       Error(ERR_EXIT, "cannot create gadget");
2278
2279     level_editor_gadget[id] = gi;
2280   }
2281 }
2282
2283 void CreateLevelEditorGadgets()
2284 {
2285   ReinitializeElementList();
2286
2287   CreateControlButtons();
2288   CreateCounterButtons();
2289   CreateDrawingAreas();
2290   CreateTextInputGadgets();
2291   CreateScrollbarGadgets();
2292   CreateCheckbuttonGadgets();
2293 }
2294
2295 void FreeLevelEditorGadgets()
2296 {
2297   int i;
2298
2299   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2300     FreeGadget(level_editor_gadget[i]);
2301 }
2302
2303 static void MapCounterButtons(int id)
2304 {
2305   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
2306   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
2307   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
2308 }
2309
2310 static void MapControlButtons()
2311 {
2312   int counter_id;
2313   int i;
2314
2315   /* map toolbox buttons */
2316   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2317     MapGadget(level_editor_gadget[i]);
2318
2319   /* map buttons to select elements */
2320   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2321     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
2322   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
2323   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
2324   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
2325
2326   /* map buttons to select level */
2327   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
2328   ModifyEditorCounterLimits(counter_id,
2329                             leveldir_current->first_level,
2330                             leveldir_current->last_level);
2331   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2332   MapCounterButtons(counter_id);
2333 }
2334
2335 static void MapDrawingArea(int id)
2336 {
2337   MapGadget(level_editor_gadget[id]);
2338 }
2339
2340 static void MapTextInputGadget(int id)
2341 {
2342   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
2343 }
2344
2345 static void MapRadiobuttonGadget(int id)
2346 {
2347   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
2348 }
2349
2350 static void MapCheckbuttonGadget(int id)
2351 {
2352   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
2353 }
2354
2355 static void MapMainDrawingArea()
2356 {
2357   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
2358   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
2359   int i;
2360
2361   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
2362   {
2363     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
2364           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
2365          no_horizontal_scrollbar) ||
2366         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
2367           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
2368          no_vertical_scrollbar))
2369       continue;
2370
2371     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
2372   }
2373
2374   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
2375   {
2376     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
2377         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
2378       continue;
2379
2380     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
2381   }
2382
2383   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
2384 }
2385
2386 static void UnmapDrawingArea(int id)
2387 {
2388   UnmapGadget(level_editor_gadget[id]);
2389 }
2390
2391 void UnmapLevelEditorWindowGadgets()
2392 {
2393   int i;
2394
2395   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2396     if (level_editor_gadget[i]->x < SX + SXSIZE)
2397       UnmapGadget(level_editor_gadget[i]);
2398 }
2399
2400 void UnmapLevelEditorGadgets()
2401 {
2402   int i;
2403
2404   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2405     UnmapGadget(level_editor_gadget[i]);
2406 }
2407
2408 static void ResetUndoBuffer()
2409 {
2410   undo_buffer_position = -1;
2411   undo_buffer_steps = -1;
2412   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
2413 }
2414
2415 static void DrawEditModeWindow()
2416 {
2417   if (edit_mode == ED_MODE_INFO)
2418     DrawLevelInfoWindow();
2419   else if (edit_mode == ED_MODE_PROPERTIES)
2420     DrawPropertiesWindow();
2421   else  /* edit_mode == ED_MODE_DRAWING */
2422     DrawDrawingWindow();
2423 }
2424
2425 static boolean LevelChanged()
2426 {
2427   boolean level_changed = FALSE;
2428   int x, y;
2429
2430   for(y=0; y<lev_fieldy; y++)
2431     for(x=0; x<lev_fieldx; x++)
2432       if (Feld[x][y] != Ur[x][y])
2433         level_changed = TRUE;
2434
2435   return level_changed;
2436 }
2437
2438 static boolean LevelContainsPlayer()
2439 {
2440   boolean player_found = FALSE;
2441   int x, y;
2442
2443   for(y=0; y<lev_fieldy; y++)
2444     for(x=0; x<lev_fieldx; x++)
2445       if (Feld[x][y] == EL_PLAYER1 ||
2446           Feld[x][y] == EL_SP_MURPHY)
2447         player_found = TRUE;
2448
2449   return player_found;
2450 }
2451
2452 void DrawLevelEd()
2453 {
2454   CloseDoor(DOOR_CLOSE_ALL);
2455   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
2456
2457   if (level_editor_test_game)
2458   {
2459     int x, y;
2460
2461     for(x=0; x<lev_fieldx; x++)
2462       for(y=0; y<lev_fieldy; y++)
2463         Feld[x][y] = Ur[x][y];
2464
2465     for(x=0; x<lev_fieldx; x++)
2466       for(y=0; y<lev_fieldy; y++)
2467         Ur[x][y] = FieldBackup[x][y];
2468
2469     level_editor_test_game = FALSE;
2470   }
2471   else
2472   {
2473     edit_mode = ED_MODE_DRAWING;
2474
2475     ResetUndoBuffer();
2476     level_xpos = -1;
2477     level_ypos = -1;
2478   }
2479
2480   /* copy default editor door content to main double buffer */
2481   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
2482              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
2483
2484   /* draw mouse button brush elements */
2485   DrawMiniGraphicExt(drawto,
2486                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
2487                      el2edimg(new_element1));
2488   DrawMiniGraphicExt(drawto,
2489                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
2490                      el2edimg(new_element2));
2491   DrawMiniGraphicExt(drawto,
2492                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
2493                      el2edimg(new_element3));
2494
2495   /* draw bigger door */
2496   DrawSpecialEditorDoor();
2497
2498   /* draw new control window */
2499   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
2500              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
2501
2502   redraw_mask |= REDRAW_ALL;
2503
2504   ReinitializeElementListButtons();     /* only needed after setup changes */
2505
2506   UnmapTapeButtons();
2507   MapControlButtons();
2508
2509   /* copy actual editor door content to door double buffer for OpenDoor() */
2510   BlitBitmap(drawto, bitmap_db_door,
2511              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
2512
2513   DrawEditModeWindow();
2514
2515   /*
2516   FadeToFront();
2517   */
2518
2519
2520   OpenDoor(DOOR_OPEN_1);
2521
2522   /*
2523   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2);
2524   */
2525 }
2526
2527 static void AdjustDrawingAreaGadgets()
2528 {
2529   int ed_xsize = lev_fieldx + 2;
2530   int ed_ysize = lev_fieldy + 2;
2531   int max_ed_fieldx = MAX_ED_FIELDX;
2532   int max_ed_fieldy = MAX_ED_FIELDY;
2533   boolean horizontal_scrollbar_needed;
2534   boolean vertical_scrollbar_needed;
2535   int x, y, width, height;
2536   int xoffset, yoffset;
2537
2538   /* check if we need any scrollbars */
2539   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
2540   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
2541
2542   /* check if we have a smaller editor field because of scrollbars */
2543   if (horizontal_scrollbar_needed)
2544     max_ed_fieldy = MAX_ED_FIELDY - 1;
2545   if (vertical_scrollbar_needed)
2546     max_ed_fieldx = MAX_ED_FIELDX - 1;
2547
2548   /* check again if we now need more scrollbars because of less space */
2549   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
2550   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
2551
2552   /* check if editor field gets even smaller after adding new scrollbars */
2553   if (horizontal_scrollbar_needed)
2554     max_ed_fieldy = MAX_ED_FIELDY - 1;
2555   if (vertical_scrollbar_needed)
2556     max_ed_fieldx = MAX_ED_FIELDX - 1;
2557
2558   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
2559   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
2560
2561   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
2562                GDI_WIDTH, ed_fieldx * MINI_TILEX,
2563                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
2564                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2565                GDI_END);
2566
2567   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
2568   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
2569
2570   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
2571   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
2572
2573   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
2574   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
2575
2576   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
2577   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
2578
2579   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
2580                GDI_WIDTH, width,
2581                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
2582                GDI_END);
2583   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
2584                GDI_HEIGHT, height,
2585                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
2586                GDI_END);
2587 }
2588
2589 static void AdjustLevelScrollPosition()
2590 {
2591   if (level_xpos < -1)
2592     level_xpos = -1;
2593   if (level_xpos > lev_fieldx - ed_fieldx + 1)
2594     level_xpos = lev_fieldx - ed_fieldx + 1;
2595   if (lev_fieldx < ed_fieldx - 2)
2596     level_xpos = -1;
2597
2598   if (level_ypos < -1)
2599     level_ypos = -1;
2600   if (level_ypos > lev_fieldy - ed_fieldy + 1)
2601     level_ypos = lev_fieldy - ed_fieldy + 1;
2602   if (lev_fieldy < ed_fieldy - 2)
2603     level_ypos = -1;
2604 }
2605
2606 static void AdjustEditorScrollbar(int id)
2607 {
2608   struct GadgetInfo *gi = level_editor_gadget[id];
2609   int items_max, items_visible, item_position;
2610
2611   if (id == GADGET_ID_SCROLL_HORIZONTAL)
2612   {
2613     items_max = MAX(lev_fieldx + 2, ed_fieldx);
2614     items_visible = ed_fieldx;
2615     item_position = level_xpos + 1;
2616   }
2617   else
2618   {
2619     items_max = MAX(lev_fieldy + 2, ed_fieldy);
2620     items_visible = ed_fieldy;
2621     item_position = level_ypos + 1;
2622   }
2623
2624   if (item_position > items_max - items_visible)
2625     item_position = items_max - items_visible;
2626
2627   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
2628                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
2629 }
2630
2631 static void ModifyEditorTextInput(int textinput_id, char *new_text)
2632 {
2633   int gadget_id = textinput_info[textinput_id].gadget_id;
2634   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2635
2636   ModifyGadget(gi, GDI_TEXT_VALUE, new_text, GDI_END);
2637 }
2638
2639 static void ModifyEditorCounter(int counter_id, int new_value)
2640 {
2641   int *counter_value = counterbutton_info[counter_id].value;
2642   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
2643   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2644
2645   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
2646
2647   if (counter_value != NULL)
2648     *counter_value = gi->text.number_value;
2649 }
2650
2651 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
2652 {
2653   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
2654   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2655
2656   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
2657 }
2658
2659 static void PickDrawingElement(int button, int element)
2660 {
2661   if (button < 1 || button > 3)
2662     return;
2663
2664   if (button == 1)
2665   {
2666     new_element1 = element;
2667     DrawMiniGraphicExt(drawto,
2668                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
2669                        el2edimg(new_element1));
2670   }
2671   else if (button == 2)
2672   {
2673     new_element2 = element;
2674     DrawMiniGraphicExt(drawto,
2675                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
2676                        el2edimg(new_element2));
2677   }
2678   else
2679   {
2680     new_element3 = element;
2681     DrawMiniGraphicExt(drawto,
2682                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
2683                        el2edimg(new_element3));
2684   }
2685
2686   redraw_mask |= REDRAW_DOOR_1;
2687 }
2688
2689 static void DrawDrawingWindow()
2690 {
2691   SetMainBackgroundImage(IMG_UNDEFINED);
2692   ClearWindow();
2693   UnmapLevelEditorWindowGadgets();
2694
2695   AdjustDrawingAreaGadgets();
2696   AdjustLevelScrollPosition();
2697   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
2698   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
2699
2700   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
2701   MapMainDrawingArea();
2702 }
2703
2704 static void DrawElementBorder(int dest_x, int dest_y, int width, int height)
2705 {
2706   int border_graphic = IMG_SAND;
2707   Bitmap *src_bitmap;
2708   int src_x, src_y;
2709   int num_mini_tilex = width / MINI_TILEX + 1;
2710   int num_mini_tiley = width / MINI_TILEY + 1;
2711   int x, y;
2712
2713   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
2714
2715   for (y=0; y < num_mini_tiley; y++)
2716     for (x=0; x < num_mini_tilex; x++)
2717       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
2718                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
2719                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
2720
2721   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
2722 }
2723
2724 static void DrawRandomPlacementBackgroundArea()
2725 {
2726   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
2727   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
2728   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
2729   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
2730
2731   ElementContent[0][0][0] = random_placement_background_element;
2732
2733   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
2734   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
2735
2736   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
2737 }
2738
2739 static void DrawLevelInfoWindow()
2740 {
2741   char infotext[1024];
2742   int xoffset_above = 0;
2743   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
2744   int xoffset_right = counter_xsize;
2745   int yoffset_right = ED_BORDER_SIZE;
2746   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
2747   int yoffset_right2 = ED_BORDER_SIZE;
2748   int font_color = FC_GREEN;
2749   int i, x, y;
2750
2751   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR_SETTINGS_LEVEL);
2752   ClearWindow();
2753   UnmapLevelEditorWindowGadgets();
2754
2755   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
2756            "Level Settings", FS_BIG, FC_YELLOW);
2757   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
2758            "Editor Settings", FS_BIG, FC_YELLOW);
2759
2760   /* draw counter gadgets */
2761   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
2762   {
2763     if (counterbutton_info[i].infotext_above)
2764     {
2765       x = counterbutton_info[i].x + xoffset_above;
2766       y = counterbutton_info[i].y + yoffset_above;
2767
2768       sprintf(infotext, "%s:", counterbutton_info[i].infotext_above);
2769       infotext[MAX_INFOTEXT_LEN] = '\0';
2770       DrawTextF(x, y, font_color, infotext);
2771     }
2772
2773     if (counterbutton_info[i].infotext_right)
2774     {
2775       x = counterbutton_info[i].x + xoffset_right;
2776       y = counterbutton_info[i].y + yoffset_right;
2777
2778       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
2779       infotext[MAX_INFOTEXT_LEN] = '\0';
2780       DrawTextF(x, y, font_color, infotext);
2781     }
2782
2783     ModifyEditorCounter(i, *counterbutton_info[i].value);
2784     MapCounterButtons(i);
2785   }
2786
2787   /* draw text input gadgets */
2788   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
2789   {
2790     x = textinput_info[i].x + xoffset_above;
2791     y = textinput_info[i].y + yoffset_above;
2792
2793     sprintf(infotext, "%s:", textinput_info[i].infotext);
2794     infotext[MAX_INFOTEXT_LEN] = '\0';
2795
2796     DrawTextF(x, y, font_color, infotext);
2797     ModifyEditorTextInput(i, textinput_info[i].value);
2798     MapTextInputGadget(i);
2799   }
2800
2801   /* draw radiobutton gadgets */
2802   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
2803   {
2804     boolean checked =
2805       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2806
2807     x = radiobutton_info[i].x + xoffset_right2;
2808     y = radiobutton_info[i].y + yoffset_right2;
2809
2810     DrawTextF(x, y, font_color, radiobutton_info[i].text);
2811     ModifyGadget(level_editor_gadget[radiobutton_info[i].gadget_id],
2812                  GDI_CHECKED, checked, GDI_END);
2813     MapRadiobuttonGadget(i);
2814   }
2815
2816   /* draw checkbutton gadgets */
2817   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
2818   {
2819     x = checkbutton_info[i].x + xoffset_right2;
2820     y = checkbutton_info[i].y + yoffset_right2;
2821
2822     DrawTextF(x, y, font_color, checkbutton_info[i].text);
2823     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
2824                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
2825     MapCheckbuttonGadget(i);
2826   }
2827
2828   /* draw drawing area */
2829   DrawRandomPlacementBackgroundArea();
2830 }
2831
2832 static void DrawAmoebaContentArea()
2833 {
2834   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
2835   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
2836   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
2837   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
2838   int font_color = FC_GREEN;
2839
2840   ElementContent[0][0][0] = level.amoeba_content;
2841
2842   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
2843   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
2844
2845   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba",
2846            FS_SMALL, font_color);
2847
2848   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
2849 }
2850
2851 static void DrawElementContentAreas()
2852 {
2853   int counter_id = ED_COUNTER_ID_ELEM_CONTENT;
2854   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
2855   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
2856   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
2857   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
2858   int xoffset_right = counter_xsize;
2859   int yoffset_right = ED_BORDER_SIZE;
2860   int font_color = FC_GREEN;
2861   int i, x, y;
2862
2863   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2864     for (y=0; y<3; y++)
2865       for (x=0; x<3; x++)
2866         ElementContent[i][x][y] = level.yam_content[i][x][y];
2867
2868   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2869     UnmapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
2870
2871   /* display counter to choose number of element content areas */
2872   x = counterbutton_info[counter_id].x + xoffset_right;
2873   y = counterbutton_info[counter_id].y + yoffset_right;
2874   DrawTextF(x, y, font_color, "number of content areas");
2875
2876   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2877   MapCounterButtons(counter_id);
2878
2879   /* delete content areas in case of reducing number of them */
2880   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
2881
2882   for (i=0; i<level.num_yam_contents; i++)
2883     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
2884                       area_sy + 6 * (i / 4) * MINI_TILEY,
2885                       3 * MINI_TILEX, 3 * MINI_TILEY);
2886
2887   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
2888            "Content", FS_SMALL, font_color);
2889   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
2890            "when", FS_SMALL, font_color);
2891   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
2892            "smashed", FS_SMALL, font_color);
2893
2894   for (i=0; i<level.num_yam_contents; i++)
2895   {
2896     for (y=0; y<3; y++)
2897       for (x=0; x<3; x++)
2898         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
2899                         ElementContent[i][x][y]);
2900
2901     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
2902               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
2903               font_color, "%d", i + 1);
2904   }
2905
2906   for (i=0; i<level.num_yam_contents; i++)
2907     MapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
2908 }
2909
2910 #define TEXT_COLLECTING         "Score for collecting"
2911 #define TEXT_SMASHING           "Score for smashing"
2912 #define TEXT_CRACKING           "Score for cracking"
2913 #define TEXT_SPEED              "Speed of amoeba growth"
2914 #define TEXT_DURATION           "Duration when activated"
2915
2916 static void DrawPropertiesWindow()
2917 {
2918   int counter_id = ED_COUNTER_ID_ELEM_SCORE;
2919   int num_elements_in_level;
2920   float percentage;
2921   int xoffset_right = counter_xsize;
2922   int yoffset_right = ED_BORDER_SIZE;
2923   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
2924   int yoffset_right2 = ED_BORDER_SIZE;
2925   int xstart = 2;
2926   int ystart = 4;
2927   int font_color = FC_GREEN;
2928   int i, x, y;
2929   static struct
2930   {
2931     int element;
2932     int *value;
2933     char *text;
2934   } elements_with_counter[] =
2935   {
2936     { EL_EMERALD,       &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2937     { EL_BD_DIAMOND,    &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2938     { EL_EMERALD_YELLOW,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2939     { EL_EMERALD_RED,   &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2940     { EL_EMERALD_PURPLE,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2941     { EL_DIAMOND,       &level.score[SC_DIAMANT],       TEXT_COLLECTING },
2942     { EL_BUG_RIGHT,     &level.score[SC_KAEFER],        TEXT_SMASHING },
2943     { EL_BUG_UP,        &level.score[SC_KAEFER],        TEXT_SMASHING },
2944     { EL_BUG_LEFT,      &level.score[SC_KAEFER],        TEXT_SMASHING },
2945     { EL_BUG_DOWN,      &level.score[SC_KAEFER],        TEXT_SMASHING },
2946     { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_KAEFER],    TEXT_SMASHING },
2947     { EL_BD_BUTTERFLY_UP,   &level.score[SC_KAEFER],    TEXT_SMASHING },
2948     { EL_BD_BUTTERFLY_LEFT, &level.score[SC_KAEFER],    TEXT_SMASHING },
2949     { EL_BD_BUTTERFLY_DOWN, &level.score[SC_KAEFER],    TEXT_SMASHING },
2950     { EL_SPACESHIP_RIGHT,&level.score[SC_FLIEGER],      TEXT_SMASHING },
2951     { EL_SPACESHIP_UP,   &level.score[SC_FLIEGER],      TEXT_SMASHING },
2952     { EL_SPACESHIP_LEFT, &level.score[SC_FLIEGER],      TEXT_SMASHING },
2953     { EL_SPACESHIP_DOWN, &level.score[SC_FLIEGER],      TEXT_SMASHING },
2954     { EL_BD_FIREFLY_RIGHT,&level.score[SC_FLIEGER],     TEXT_SMASHING },
2955     { EL_BD_FIREFLY_UP,   &level.score[SC_FLIEGER],     TEXT_SMASHING },
2956     { EL_BD_FIREFLY_LEFT, &level.score[SC_FLIEGER],     TEXT_SMASHING },
2957     { EL_BD_FIREFLY_DOWN, &level.score[SC_FLIEGER],     TEXT_SMASHING },
2958     { EL_YAMYAM,        &level.score[SC_MAMPFER],       TEXT_SMASHING },
2959     { EL_DARK_YAMYAM,   &level.score[SC_MAMPFER],       TEXT_SMASHING },
2960     { EL_ROBOT,         &level.score[SC_ROBOT],         TEXT_SMASHING },
2961     { EL_PACMAN_RIGHT,  &level.score[SC_PACMAN],        TEXT_SMASHING },
2962     { EL_PACMAN_UP,     &level.score[SC_PACMAN],        TEXT_SMASHING },
2963     { EL_PACMAN_LEFT,   &level.score[SC_PACMAN],        TEXT_SMASHING },
2964     { EL_PACMAN_DOWN,   &level.score[SC_PACMAN],        TEXT_SMASHING },
2965     { EL_NUT,           &level.score[SC_KOKOSNUSS],     TEXT_CRACKING },
2966     { EL_DYNAMITE       ,&level.score[SC_DYNAMIT],      TEXT_COLLECTING },
2967     { EL_KEY1,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2968     { EL_KEY2,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2969     { EL_KEY3,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2970     { EL_KEY4,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2971     { EL_EM_KEY1_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2972     { EL_EM_KEY2_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2973     { EL_EM_KEY3_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2974     { EL_EM_KEY4_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2975     { EL_AMOEBA_WET,    &level.amoeba_speed,            TEXT_SPEED },
2976     { EL_AMOEBA_DRY,    &level.amoeba_speed,            TEXT_SPEED },
2977     { EL_AMOEBA_FULL,   &level.amoeba_speed,            TEXT_SPEED },
2978     { EL_BD_AMOEBA,     &level.amoeba_speed,            TEXT_SPEED },
2979     { EL_MAGIC_WALL,    &level.time_magic_wall,         TEXT_DURATION },
2980     { EL_ROBOT_WHEEL,   &level.time_wheel,              TEXT_DURATION },
2981     { -1, NULL, NULL }
2982   };
2983
2984   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR_SETTINGS_ELEMENT);
2985   ClearWindow();
2986   UnmapLevelEditorWindowGadgets();
2987
2988   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
2989            "Element Settings", FS_BIG, FC_YELLOW);
2990
2991   DrawElementBorder(SX + xstart * MINI_TILEX,
2992                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
2993                     TILEX, TILEY);
2994   DrawGraphicAnimationExt(drawto,
2995                           SX + xstart * MINI_TILEX,
2996                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
2997                           el2edimg(properties_element), -1, NO_MASKING);
2998
2999   FrameCounter = 0;     /* restart animation frame counter */
3000
3001   DrawTextF((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
3002             font_color, getElementInfoText(properties_element));
3003
3004   num_elements_in_level = 0;
3005   for (y=0; y<lev_fieldy; y++)
3006     for (x=0; x<lev_fieldx; x++)
3007       if (Feld[x][y] == properties_element)
3008         num_elements_in_level++;
3009   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
3010
3011   DrawTextF(ED_SETTINGS_XPOS, 5 * TILEY, font_color, "In this level:");
3012   DrawTextF(ED_SETTINGS_XPOS + 15 * FONT2_XSIZE, 5 * TILEY, FC_YELLOW,
3013             "%d (%.2f%%)", num_elements_in_level, percentage);
3014
3015   /* check if there are elements where a score can be chosen for */
3016   for (i=0; elements_with_counter[i].element != -1; i++)
3017   {
3018     if (elements_with_counter[i].element == properties_element)
3019     {
3020       int x = counterbutton_info[counter_id].x + xoffset_right;
3021       int y = counterbutton_info[counter_id].y + yoffset_right;
3022
3023       counterbutton_info[counter_id].value = elements_with_counter[i].value;
3024       DrawTextF(x, y, font_color, elements_with_counter[i].text);
3025
3026       ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
3027       MapCounterButtons(counter_id);
3028       break;
3029     }
3030   }
3031
3032   if (HAS_CONTENT(properties_element))
3033   {
3034     /* draw stickybutton gadget */
3035     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
3036     x = checkbutton_info[i].x + xoffset_right2;
3037     y = checkbutton_info[i].y + yoffset_right2;
3038
3039     DrawTextF(x, y, font_color, checkbutton_info[i].text);
3040     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3041                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3042     MapCheckbuttonGadget(i);
3043
3044     if (IS_AMOEBOID(properties_element))
3045       DrawAmoebaContentArea();
3046     else
3047       DrawElementContentAreas();
3048   }
3049
3050   if (IS_GEM(properties_element))
3051   {
3052     /* draw checkbutton gadget */
3053     i = ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS;
3054     x = checkbutton_info[i].x + xoffset_right2;
3055     y = checkbutton_info[i].y + yoffset_right2;
3056
3057     DrawTextF(x, y, font_color, checkbutton_info[i].text);
3058     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3059                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3060     MapCheckbuttonGadget(i);
3061   }
3062
3063   if (IS_CUSTOM_ELEMENT(properties_element))
3064   {
3065     int nr = properties_element - EL_CUSTOM_START;
3066
3067     /* draw checkbutton gadget */
3068     i = ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE;
3069     x = checkbutton_info[i].x + xoffset_right2;
3070     y = checkbutton_info[i].y + yoffset_right2;
3071
3072     checkbutton_info[i].value = &custom_element_properties[nr].indestructible;
3073
3074     DrawTextF(x, y, font_color, checkbutton_info[i].text);
3075     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3076                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3077     MapCheckbuttonGadget(i);
3078
3079     /* draw checkbutton gadget */
3080     i = ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL;
3081     x = checkbutton_info[i].x + xoffset_right2;
3082     y = checkbutton_info[i].y + yoffset_right2;
3083
3084     checkbutton_info[i].value = &custom_element_properties[nr].can_fall;
3085
3086     DrawTextF(x, y, font_color, checkbutton_info[i].text);
3087     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3088                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3089     MapCheckbuttonGadget(i);
3090
3091     /* draw checkbutton gadget */
3092     i = ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY;
3093     x = checkbutton_info[i].x + xoffset_right2;
3094     y = checkbutton_info[i].y + yoffset_right2;
3095
3096     checkbutton_info[i].value = &custom_element_properties[nr].slippery;
3097
3098     DrawTextF(x, y, font_color, checkbutton_info[i].text);
3099     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3100                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3101     MapCheckbuttonGadget(i);
3102   }
3103 }
3104
3105 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
3106 {
3107   int lx = sx + level_xpos;
3108   int ly = sy + level_ypos;
3109
3110   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
3111
3112   if (change_level)
3113     Feld[lx][ly] = element;
3114 }
3115
3116 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
3117                      int element, boolean change_level)
3118 {
3119   if (from_y == to_y)                   /* horizontal line */
3120   {
3121     int x;
3122     int y = from_y;
3123
3124     if (from_x > to_x)
3125       swap_numbers(&from_x, &to_x);
3126
3127     for (x=from_x; x<=to_x; x++)
3128       DrawLineElement(x, y, element, change_level);
3129   }
3130   else if (from_x == to_x)              /* vertical line */
3131   {
3132     int x = from_x;
3133     int y;
3134
3135     if (from_y > to_y)
3136       swap_numbers(&from_y, &to_y);
3137
3138     for (y=from_y; y<=to_y; y++)
3139       DrawLineElement(x, y, element, change_level);
3140   }
3141   else                                  /* diagonal line */
3142   {
3143     int len_x = ABS(to_x - from_x);
3144     int len_y = ABS(to_y - from_y);
3145     int x, y;
3146
3147     if (len_y < len_x)                  /* a < 1 */
3148     {
3149       float a = (float)len_y / (float)len_x;
3150
3151       if (from_x > to_x)
3152         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3153
3154       for (x=0; x<=len_x; x++)
3155       {
3156         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
3157         DrawLineElement(from_x + x, from_y + y, element, change_level);
3158       }
3159     }
3160     else                                /* a >= 1 */
3161     {
3162       float a = (float)len_x / (float)len_y;
3163
3164       if (from_y > to_y)
3165         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3166
3167       for (y=0; y<=len_y; y++)
3168       {
3169         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
3170         DrawLineElement(from_x + x, from_y + y, element, change_level);
3171       }
3172     }
3173   }
3174 }
3175
3176 static void DrawRectangle(int from_x, int from_y, int to_x, int to_y,
3177                           int element, boolean change_level)
3178 {
3179   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
3180   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
3181   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
3182   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
3183 }
3184
3185 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
3186                           int element, boolean change_level)
3187 {
3188   int y;
3189
3190   if (from_y > to_y)
3191     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3192
3193   for (y=from_y; y<=to_y; y++)
3194     DrawLine(from_x, y, to_x, y, element, change_level);
3195 }
3196
3197 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
3198                        int element, boolean change_level)
3199 {
3200   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
3201   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
3202   int len_x = ABS(to_x - from_x);
3203   int len_y = ABS(to_y - from_y);
3204   int radius, x, y;
3205
3206   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
3207
3208   /* not optimal (some points get drawn twice) but simple,
3209      and fast enough for the few points we are drawing */
3210
3211   for (x=0; x<=radius; x++)
3212   {
3213     int sx, sy, lx, ly;
3214
3215     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
3216
3217     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
3218     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
3219     lx = sx + level_xpos;
3220     ly = sy + level_ypos;
3221
3222     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3223       DrawLineElement(sx, sy, element, change_level);
3224   }
3225
3226   for (y=0; y<=radius; y++)
3227   {
3228     int sx, sy, lx, ly;
3229
3230     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
3231
3232     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
3233     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
3234     lx = sx + level_xpos;
3235     ly = sy + level_ypos;
3236
3237     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3238       DrawLineElement(sx, sy, element, change_level);
3239   }
3240 }
3241
3242 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
3243                     int element, boolean change_level)
3244 {
3245   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
3246   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
3247
3248   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
3249 }
3250
3251 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
3252 #if DRAW_CIRCLES_BUTTON_AVAILABLE
3253 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
3254                        int element, boolean change_level)
3255 {
3256   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
3257   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
3258   int mirror_to_x2 = from_x - (to_x2 - from_x);
3259   int mirror_to_y2 = from_y - (to_y2 - from_y);
3260
3261   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
3262   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
3263   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
3264   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
3265 }
3266 #endif
3267
3268 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
3269 {
3270   int from_sx, from_sy;
3271   int to_sx, to_sy;
3272
3273   if (from_x > to_x)
3274     swap_numbers(&from_x, &to_x);
3275
3276   if (from_y > to_y)
3277     swap_numbers(&from_y, &to_y);
3278
3279   from_sx = SX + from_x * MINI_TILEX;
3280   from_sy = SY + from_y * MINI_TILEY;
3281   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
3282   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
3283
3284   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
3285   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
3286   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
3287   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
3288
3289   if (from_x == to_x && from_y == to_y)
3290     MarkTileDirty(from_x/2, from_y/2);
3291   else
3292     redraw_mask |= REDRAW_FIELD;
3293 }
3294
3295 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
3296                        int element, boolean change_level)
3297 {
3298   if (element == -1 || change_level)
3299     DrawRectangle(from_x, from_y, to_x, to_y, -1, FALSE);
3300   else
3301     DrawAreaBorder(from_x, from_y, to_x, to_y);
3302 }
3303
3304 /* values for CopyBrushExt() */
3305 #define CB_AREA_TO_BRUSH        0
3306 #define CB_BRUSH_TO_CURSOR      1
3307 #define CB_BRUSH_TO_LEVEL       2
3308 #define CB_DELETE_OLD_CURSOR    3
3309
3310 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
3311                          int button, int mode)
3312 {
3313   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
3314   static int brush_width, brush_height;
3315   static int last_cursor_x = -1, last_cursor_y = -1;
3316   static boolean delete_old_brush;
3317   int new_element = BUTTON_ELEMENT(button);
3318   int x, y;
3319
3320   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
3321     return;
3322
3323   if (mode == CB_AREA_TO_BRUSH)
3324   {
3325     int from_lx, from_ly;
3326
3327     if (from_x > to_x)
3328       swap_numbers(&from_x, &to_x);
3329
3330     if (from_y > to_y)
3331       swap_numbers(&from_y, &to_y);
3332
3333     brush_width = to_x - from_x + 1;
3334     brush_height = to_y - from_y + 1;
3335
3336     from_lx = from_x + level_xpos;
3337     from_ly = from_y + level_ypos;
3338
3339     for (y=0; y<brush_height; y++)
3340     {
3341       for (x=0; x<brush_width; x++)
3342       {
3343         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
3344
3345         if (button != 1)
3346           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
3347       }
3348     }
3349
3350     if (button != 1)
3351       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3352
3353     delete_old_brush = FALSE;
3354   }
3355   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
3356            mode == CB_BRUSH_TO_LEVEL)
3357   {
3358     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
3359     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
3360     int cursor_from_x = cursor_x - brush_width / 2;
3361     int cursor_from_y = cursor_y - brush_height / 2;
3362     int border_from_x = cursor_x, border_from_y = cursor_y;
3363     int border_to_x = cursor_x, border_to_y = cursor_y;
3364
3365     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
3366       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3367
3368     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
3369         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
3370     {
3371       delete_old_brush = FALSE;
3372       return;
3373     }
3374
3375     for (y=0; y<brush_height; y++)
3376     {
3377       for (x=0; x<brush_width; x++)
3378       {
3379         int sx = cursor_from_x + x;
3380         int sy = cursor_from_y + y;
3381         int lx = sx + level_xpos;
3382         int ly = sy + level_ypos;
3383         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
3384         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
3385                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
3386                        brush_buffer[x][y] : new_element);
3387
3388         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3389         {
3390           if (sx < border_from_x)
3391             border_from_x = sx;
3392           else if (sx > border_to_x)
3393             border_to_x = sx;
3394           if (sy < border_from_y)
3395             border_from_y = sy;
3396           else if (sy > border_to_y)
3397             border_to_y = sy;
3398
3399           DrawLineElement(sx, sy, element, change_level);
3400         }
3401       }
3402     }
3403
3404     if (mode != CB_DELETE_OLD_CURSOR)
3405       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
3406
3407     last_cursor_x = cursor_x;
3408     last_cursor_y = cursor_y;
3409     delete_old_brush = TRUE;
3410   }
3411 }
3412
3413 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
3414                             int button)
3415 {
3416   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
3417 }
3418
3419 static void CopyBrushToLevel(int x, int y, int button)
3420 {
3421   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
3422 }
3423
3424 static void CopyBrushToCursor(int x, int y)
3425 {
3426   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
3427 }
3428
3429 static void DeleteBrushFromCursor()
3430 {
3431   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3432 }
3433
3434 static void FloodFill(int from_x, int from_y, int fill_element)
3435 {
3436   int i,x,y;
3437   int old_element;
3438   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
3439   static int safety = 0;
3440
3441   /* check if starting field still has the desired content */
3442   if (Feld[from_x][from_y] == fill_element)
3443     return;
3444
3445   safety++;
3446
3447   if (safety > lev_fieldx*lev_fieldy)
3448     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
3449
3450   old_element = Feld[from_x][from_y];
3451   Feld[from_x][from_y] = fill_element;
3452
3453   for(i=0;i<4;i++)
3454   {
3455     x = from_x + check[i][0];
3456     y = from_y + check[i][1];
3457
3458     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
3459       FloodFill(x, y, fill_element);
3460   }
3461
3462   safety--;
3463 }
3464
3465 /* values for DrawLevelText() modes */
3466 #define TEXT_INIT               0
3467 #define TEXT_SETCURSOR          1
3468 #define TEXT_WRITECHAR          2
3469 #define TEXT_BACKSPACE          3
3470 #define TEXT_NEWLINE            4
3471 #define TEXT_END                5
3472 #define TEXT_QUERY_TYPING       6
3473
3474 static int DrawLevelText(int sx, int sy, char letter, int mode)
3475 {
3476   static short delete_buffer[MAX_LEV_FIELDX];
3477   static int start_sx, start_sy;
3478   static int last_sx, last_sy;
3479   static boolean typing = FALSE;
3480   int letter_element = EL_CHAR_ASCII0 + letter;
3481   int lx = 0, ly = 0;
3482
3483   /* map lower case letters to upper case and convert special characters */
3484   if (letter >= 'a' && letter <= 'z')
3485     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
3486   else if (letter == 'ä' || letter == 'Ä')
3487     letter_element = EL_CHAR_AE;
3488   else if (letter == 'ö' || letter == 'Ö')
3489     letter_element = EL_CHAR_OE;
3490   else if (letter == 'ü' || letter == 'Ü')
3491     letter_element = EL_CHAR_UE;
3492   else if (letter == '^')
3493     letter_element = EL_CHAR_COPYRIGHT;
3494   else
3495     letter_element = EL_CHAR_ASCII0 + letter;
3496
3497   if (mode != TEXT_INIT)
3498   {
3499     if (!typing)
3500       return FALSE;
3501
3502     if (mode != TEXT_SETCURSOR)
3503     {
3504       sx = last_sx;
3505       sy = last_sy;
3506     }
3507
3508     lx = last_sx + level_xpos;
3509     ly = last_sy + level_ypos;
3510   }
3511
3512   switch (mode)
3513   {
3514     case TEXT_INIT:
3515       if (typing)
3516         DrawLevelText(0, 0, 0, TEXT_END);
3517
3518       typing = TRUE;
3519       start_sx = last_sx = sx;
3520       start_sy = last_sy = sy;
3521       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
3522       break;
3523
3524     case TEXT_SETCURSOR:
3525       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
3526       DrawAreaBorder(sx, sy, sx, sy);
3527       last_sx = sx;
3528       last_sy = sy;
3529       break;
3530
3531     case TEXT_WRITECHAR:
3532       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
3533       {
3534         delete_buffer[sx - start_sx] = Feld[lx][ly];
3535         Feld[lx][ly] = letter_element;
3536
3537         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
3538           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
3539         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
3540           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3541         else
3542           DrawLevelText(0, 0, 0, TEXT_END);
3543       }
3544       break;
3545
3546     case TEXT_BACKSPACE:
3547       if (sx > start_sx)
3548       {
3549         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
3550         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
3551         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
3552       }
3553       break;
3554
3555     case TEXT_NEWLINE:
3556       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
3557         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3558       else
3559         DrawLevelText(0, 0, 0, TEXT_END);
3560       break;
3561
3562     case TEXT_END:
3563       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3564       DrawMiniElement(sx, sy, Feld[lx][ly]);
3565       typing = FALSE;
3566       break;
3567
3568     case TEXT_QUERY_TYPING:
3569       break;
3570
3571     default:
3572       break;
3573   }
3574
3575   return typing;
3576 }
3577
3578 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
3579                           int element, boolean change_level)
3580 {
3581   int lx = sx + level_xpos;
3582   int ly = sy + level_ypos;
3583
3584   if (element == -1)
3585     DrawMiniElement(sx, sy, Feld[lx][ly]);
3586   else
3587     DrawAreaBorder(sx, sy, sx, sy);
3588 }
3589
3590 static void CopyLevelToUndoBuffer(int mode)
3591 {
3592   static boolean accumulated_undo = FALSE;
3593   boolean new_undo_buffer_position = TRUE;
3594   int last_border_element;
3595   int x, y;
3596
3597   switch (mode)
3598   {
3599     case UNDO_IMMEDIATE:
3600       accumulated_undo = FALSE;
3601       break;
3602
3603     case UNDO_ACCUMULATE:
3604       if (accumulated_undo)
3605         new_undo_buffer_position = FALSE;
3606       accumulated_undo = TRUE;
3607       break;
3608
3609     default:
3610       break;
3611   }
3612
3613   if (new_undo_buffer_position)
3614   {
3615     /* new position in undo buffer ring */
3616     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
3617
3618     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
3619       undo_buffer_steps++;
3620   }
3621
3622   for(x=0; x<lev_fieldx; x++)
3623     for(y=0; y<lev_fieldy; y++)
3624       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
3625
3626   /* check if drawing operation forces change of border style */
3627   last_border_element = BorderElement;
3628   SetBorderElement();
3629   if (BorderElement != last_border_element)
3630     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3631
3632 #if 0
3633 #ifdef DEBUG
3634   printf("level saved to undo buffer\n");
3635 #endif
3636 #endif
3637 }
3638
3639 static void RandomPlacement(int new_element)
3640 {
3641   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3642   int num_free_positions;
3643   int num_percentage;
3644   int num_elements;
3645   int x, y;
3646
3647   /* determine number of free positions for the new elements */
3648   /* (maybe this statement should be formatted a bit more readable...) */
3649   num_free_positions = 0;
3650   for (x=0; x<lev_fieldx; x++)
3651     for (y=0; y<lev_fieldy; y++)
3652       if ((free_position[x][y] =
3653            ((random_placement_background_restricted &&
3654              Feld[x][y] == random_placement_background_element) ||
3655             (!random_placement_background_restricted &&
3656              Feld[x][y] != new_element))) == TRUE)
3657         num_free_positions++;
3658
3659   /* determine number of new elements to place there */
3660   num_percentage = num_free_positions * random_placement_value / 100;
3661   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
3662                   num_percentage : random_placement_value);
3663
3664   /* if not more free positions than elements to place, fill whole level */
3665   if (num_elements >= num_free_positions)
3666   {
3667     for (x=0; x<lev_fieldx; x++)
3668       for (y=0; y<lev_fieldy; y++)
3669         Feld[x][y] = new_element;
3670
3671     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3672     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3673     return;
3674   }
3675
3676   while (num_elements > 0)
3677   {
3678     x = RND(lev_fieldx);
3679     y = RND(lev_fieldy);
3680
3681     /* don't place element at the same position twice */
3682     if (free_position[x][y])
3683     {
3684       free_position[x][y] = FALSE;
3685       Feld[x][y] = new_element;
3686       num_elements--;
3687     }
3688   }
3689
3690   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3691   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3692 }
3693
3694 void WrapLevel(int dx, int dy)
3695 {
3696   int wrap_dx = lev_fieldx - dx;
3697   int wrap_dy = lev_fieldy - dy;
3698   int x, y;
3699
3700   for(x=0; x<lev_fieldx; x++)
3701     for(y=0; y<lev_fieldy; y++)
3702       FieldBackup[x][y] = Feld[x][y];
3703
3704   for(x=0; x<lev_fieldx; x++)
3705     for(y=0; y<lev_fieldy; y++)
3706       Feld[x][y] =
3707         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
3708
3709   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3710   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
3711 }
3712
3713 static void HandleDrawingAreas(struct GadgetInfo *gi)
3714 {
3715   static boolean started_inside_drawing_area = FALSE;
3716   int id = gi->custom_id;
3717   boolean button_press_event;
3718   boolean button_release_event;
3719   boolean inside_drawing_area = !gi->event.off_borders;
3720   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
3721   int actual_drawing_function;
3722   int button = gi->event.button;
3723   int new_element = BUTTON_ELEMENT(button);
3724   int sx = gi->event.x, sy = gi->event.y;
3725   int min_sx = 0, min_sy = 0;
3726   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
3727   int lx = 0, ly = 0;
3728   int min_lx = 0, min_ly = 0;
3729   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
3730   int x, y;
3731
3732   /* handle info callback for each invocation of action callback */
3733   gi->callback_info(gi);
3734
3735   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
3736   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
3737
3738   /* make sure to stay inside drawing area boundaries */
3739   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
3740   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
3741
3742   if (draw_level)
3743   {
3744     /* get positions inside level field */
3745     lx = sx + level_xpos;
3746     ly = sy + level_ypos;
3747
3748     if (!IN_LEV_FIELD(lx, ly))
3749       inside_drawing_area = FALSE;
3750
3751     /* make sure to stay inside level field boundaries */
3752     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
3753     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
3754
3755     /* correct drawing area positions accordingly */
3756     sx = lx - level_xpos;
3757     sy = ly - level_ypos;
3758   }
3759
3760   if (button_press_event)
3761     started_inside_drawing_area = inside_drawing_area;
3762
3763   if (!started_inside_drawing_area)
3764     return;
3765
3766   if (!button && !button_release_event)
3767     return;
3768
3769   /* automatically switch to 'single item' drawing mode, if needed */
3770   actual_drawing_function =
3771     (draw_level ? drawing_function : GADGET_ID_SINGLE_ITEMS);
3772
3773   switch (actual_drawing_function)
3774   {
3775     case GADGET_ID_SINGLE_ITEMS:
3776       if (draw_level)
3777       {
3778         if (button_release_event)
3779         {
3780           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3781
3782           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
3783               !inside_drawing_area)
3784             DeleteBrushFromCursor();
3785         }
3786
3787         if (!button)
3788           break;
3789
3790         if (draw_with_brush)
3791         {
3792           if (!button_release_event)
3793             CopyBrushToLevel(sx, sy, button);
3794         }
3795         else if (new_element != Feld[lx][ly])
3796         {
3797           if (new_element == EL_PLAYER1)
3798           {
3799             /* remove player at old position */
3800             for(y=0; y<lev_fieldy; y++)
3801             {
3802               for(x=0; x<lev_fieldx; x++)
3803               {
3804                 if (Feld[x][y] == EL_PLAYER1)
3805                 {
3806                   Feld[x][y] = EL_EMPTY;
3807                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
3808                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
3809                     DrawMiniElement(x - level_xpos, y - level_ypos,
3810                                     EL_EMPTY);
3811                 }
3812               }
3813             }
3814           }
3815
3816           Feld[lx][ly] = new_element;
3817           DrawMiniElement(sx, sy, new_element);
3818         }
3819       }
3820       else
3821       {
3822         DrawMiniGraphicExt(drawto,
3823                            gi->x + sx * MINI_TILEX,
3824                            gi->y + sy * MINI_TILEY,
3825                            el2edimg(new_element));
3826         DrawMiniGraphicExt(window,
3827                            gi->x + sx * MINI_TILEX,
3828                            gi->y + sy * MINI_TILEY,
3829                            el2edimg(new_element));
3830
3831         if (id == GADGET_ID_AMOEBA_CONTENT)
3832           level.amoeba_content = new_element;
3833         else if (id == GADGET_ID_RANDOM_BACKGROUND)
3834           random_placement_background_element = new_element;
3835         else if (id >= GADGET_ID_ELEM_CONTENT_0 &&
3836                  id <= GADGET_ID_ELEM_CONTENT_7)
3837           level.yam_content[id - GADGET_ID_ELEM_CONTENT_0][sx][sy] =
3838             new_element;
3839       }
3840       break;
3841
3842     case GADGET_ID_CONNECTED_ITEMS:
3843       {
3844         static int last_sx = -1;
3845         static int last_sy = -1;
3846
3847         if (button_release_event)
3848           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3849
3850         if (button)
3851         {
3852           if (!button_press_event)
3853             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
3854
3855           last_sx = sx;
3856           last_sy = sy;
3857         }
3858       }
3859       break;
3860
3861     case GADGET_ID_LINE:
3862     case GADGET_ID_ARC:
3863     case GADGET_ID_RECTANGLE:
3864     case GADGET_ID_FILLED_BOX:
3865     case GADGET_ID_GRAB_BRUSH:
3866     case GADGET_ID_TEXT:
3867       {
3868         static int last_sx = -1;
3869         static int last_sy = -1;
3870         static int start_sx = -1;
3871         static int start_sy = -1;
3872         void (*draw_func)(int, int, int, int, int, boolean);
3873
3874         if (drawing_function == GADGET_ID_LINE)
3875           draw_func = DrawLine;
3876         else if (drawing_function == GADGET_ID_ARC)
3877           draw_func = DrawArc;
3878         else if (drawing_function == GADGET_ID_RECTANGLE)
3879           draw_func = DrawRectangle;
3880         else if (drawing_function == GADGET_ID_FILLED_BOX)
3881           draw_func = DrawFilledBox;
3882         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
3883           draw_func = SelectArea;
3884         else /* (drawing_function == GADGET_ID_TEXT) */
3885           draw_func = SetTextCursor;
3886
3887         if (button_press_event)
3888         {
3889           draw_func(sx, sy, sx, sy, new_element, FALSE);
3890           start_sx = last_sx = sx;
3891           start_sy = last_sy = sy;
3892
3893           if (drawing_function == GADGET_ID_TEXT)
3894             DrawLevelText(0, 0, 0, TEXT_END);
3895         }
3896         else if (button_release_event)
3897         {
3898           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
3899           if (drawing_function == GADGET_ID_GRAB_BRUSH)
3900           {
3901             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
3902             CopyBrushToCursor(sx, sy);
3903             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
3904                           MB_LEFTBUTTON);
3905             draw_with_brush = TRUE;
3906           }
3907           else if (drawing_function == GADGET_ID_TEXT)
3908             DrawLevelText(sx, sy, 0, TEXT_INIT);
3909           else
3910             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3911         }
3912         else if (last_sx != sx || last_sy != sy)
3913         {
3914           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
3915           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
3916           last_sx = sx;
3917           last_sy = sy;
3918         }
3919       }
3920       break;
3921
3922     case GADGET_ID_FLOOD_FILL:
3923       if (button_press_event && Feld[lx][ly] != new_element)
3924       {
3925         FloodFill(lx, ly, new_element);
3926         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3927         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3928       }
3929       break;
3930
3931     case GADGET_ID_PICK_ELEMENT:
3932       if (button_release_event)
3933         ClickOnGadget(level_editor_gadget[last_drawing_function],
3934                       MB_LEFTBUTTON);
3935       else
3936         PickDrawingElement(button, Feld[lx][ly]);
3937
3938       break;
3939
3940     default:
3941       break;
3942   }
3943 }
3944
3945 static void HandleCounterButtons(struct GadgetInfo *gi)
3946 {
3947   int gadget_id = gi->custom_id;
3948   int counter_id = gi->custom_type_id;
3949   int button = gi->event.button;
3950   int *counter_value = counterbutton_info[counter_id].value;
3951   int step = BUTTON_STEPSIZE(button) *
3952     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
3953
3954   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
3955   {
3956     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
3957     boolean released = (gi->event.type == GD_EVENT_RELEASED);
3958     boolean level_changed = LevelChanged();
3959
3960     if ((level_changed && pressed) || (!level_changed && released))
3961       return;
3962
3963     if (level_changed && !Request("Level has changed! Discard changes ?",
3964                                   REQ_ASK))
3965     {
3966       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
3967         ModifyEditorCounter(counter_id, *counter_value);
3968       return;
3969     }
3970   }
3971
3972   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
3973     *counter_value = gi->text.number_value;
3974   else
3975     ModifyEditorCounter(counter_id, *counter_value + step);
3976
3977   switch (counter_id)
3978   {
3979     case ED_COUNTER_ID_ELEM_CONTENT:
3980       DrawElementContentAreas();
3981       break;
3982
3983     case ED_COUNTER_ID_LEVEL_XSIZE:
3984     case ED_COUNTER_ID_LEVEL_YSIZE:
3985       lev_fieldx = level.fieldx;
3986       lev_fieldy = level.fieldy;
3987       break;
3988
3989     case ED_COUNTER_ID_SELECT_LEVEL:
3990       LoadLevel(level_nr);
3991       TapeErase();
3992       ResetUndoBuffer();
3993       DrawEditModeWindow();
3994       break;
3995
3996     default:
3997       break;
3998   }
3999 }
4000
4001 static void HandleTextInputGadgets(struct GadgetInfo *gi)
4002 {
4003   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
4004 }
4005
4006 static void HandleRadiobuttons(struct GadgetInfo *gi)
4007 {
4008   *radiobutton_info[gi->custom_type_id].value =
4009     radiobutton_info[gi->custom_type_id].checked_value;
4010 }
4011
4012 static void HandleCheckbuttons(struct GadgetInfo *gi)
4013 {
4014   *checkbutton_info[gi->custom_type_id].value ^= TRUE;
4015 }
4016
4017 static void HandleControlButtons(struct GadgetInfo *gi)
4018 {
4019   int id = gi->custom_id;
4020   int button = gi->event.button;
4021   int step = BUTTON_STEPSIZE(button);
4022   int new_element = BUTTON_ELEMENT(button);
4023   int i, x, y;
4024
4025   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
4026     DrawLevelText(0, 0, 0, TEXT_END);
4027
4028   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
4029       edit_mode != ED_MODE_DRAWING)
4030   {
4031     DrawDrawingWindow();
4032     edit_mode = ED_MODE_DRAWING;
4033   }
4034
4035   switch (id)
4036   {
4037     case GADGET_ID_SCROLL_LEFT:
4038       if (level_xpos >= 0)
4039       {
4040         if (lev_fieldx < ed_fieldx - 2)
4041           break;
4042
4043         level_xpos -= step;
4044         if (level_xpos < -1)
4045           level_xpos = -1;
4046         if (button == 1)
4047           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
4048         else
4049           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4050
4051         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4052                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
4053       }
4054       break;
4055
4056     case GADGET_ID_SCROLL_RIGHT:
4057       if (level_xpos <= lev_fieldx - ed_fieldx)
4058       {
4059         if (lev_fieldx < ed_fieldx - 2)
4060           break;
4061
4062         level_xpos += step;
4063         if (level_xpos > lev_fieldx - ed_fieldx + 1)
4064           level_xpos = lev_fieldx - ed_fieldx + 1;
4065         if (button == 1)
4066           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
4067         else
4068           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4069
4070         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4071                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
4072       }
4073       break;
4074
4075     case GADGET_ID_SCROLL_UP:
4076       if (level_ypos >= 0)
4077       {
4078         if (lev_fieldy < ed_fieldy - 2)
4079           break;
4080
4081         level_ypos -= step;
4082         if (level_ypos < -1)
4083           level_ypos = -1;
4084         if (button == 1)
4085           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
4086         else
4087           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4088
4089         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4090                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
4091       }
4092       break;
4093
4094     case GADGET_ID_SCROLL_DOWN:
4095       if (level_ypos <= lev_fieldy - ed_fieldy)
4096       {
4097         if (lev_fieldy < ed_fieldy - 2)
4098           break;
4099
4100         level_ypos += step;
4101         if (level_ypos > lev_fieldy - ed_fieldy + 1)
4102           level_ypos = lev_fieldy - ed_fieldy + 1;
4103         if (button == 1)
4104           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
4105         else
4106           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4107
4108         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4109                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
4110       }
4111       break;
4112
4113     case GADGET_ID_SCROLL_HORIZONTAL:
4114       level_xpos = gi->event.item_position - 1;
4115       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4116       break;
4117
4118     case GADGET_ID_SCROLL_VERTICAL:
4119       level_ypos = gi->event.item_position - 1;
4120       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4121       break;
4122
4123     case GADGET_ID_SCROLL_LIST_UP:
4124     case GADGET_ID_SCROLL_LIST_DOWN:
4125     case GADGET_ID_SCROLL_LIST_VERTICAL:
4126       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
4127         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
4128       else
4129       {
4130         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
4131         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
4132
4133         if (element_shift < 0)
4134           element_shift = 0;
4135         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
4136           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
4137
4138         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
4139                      GDI_SCROLLBAR_ITEM_POSITION,
4140                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
4141       }
4142
4143       for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4144       {
4145         int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4146         struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4147         struct GadgetDesign *gd = &gi->deco.design;
4148         int element = editor_elements[element_shift + i];
4149
4150         UnmapGadget(gi);
4151         getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
4152         ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4153         MapGadget(gi);
4154       }
4155       break;
4156
4157     case GADGET_ID_WRAP_LEFT:
4158       WrapLevel(-step, 0);
4159       break;
4160
4161     case GADGET_ID_WRAP_RIGHT:
4162       WrapLevel(step, 0);
4163       break;
4164
4165     case GADGET_ID_WRAP_UP:
4166       WrapLevel(0, -step);
4167       break;
4168
4169     case GADGET_ID_WRAP_DOWN:
4170       WrapLevel(0, step);
4171       break;
4172
4173     case GADGET_ID_SINGLE_ITEMS:
4174     case GADGET_ID_CONNECTED_ITEMS:
4175     case GADGET_ID_LINE:
4176     case GADGET_ID_ARC:
4177     case GADGET_ID_TEXT:
4178     case GADGET_ID_RECTANGLE:
4179     case GADGET_ID_FILLED_BOX:
4180     case GADGET_ID_FLOOD_FILL:
4181     case GADGET_ID_GRAB_BRUSH:
4182     case GADGET_ID_PICK_ELEMENT:
4183       last_drawing_function = drawing_function;
4184       drawing_function = id;
4185       draw_with_brush = FALSE;
4186       break;
4187
4188     case GADGET_ID_RANDOM_PLACEMENT:
4189       RandomPlacement(new_element);
4190       break;
4191
4192     case GADGET_ID_PROPERTIES:
4193       if (edit_mode != ED_MODE_PROPERTIES)
4194       {
4195         properties_element = new_element;
4196         DrawPropertiesWindow();
4197         edit_mode = ED_MODE_PROPERTIES;
4198       }
4199       else
4200       {
4201         DrawDrawingWindow();
4202         edit_mode = ED_MODE_DRAWING;
4203       }
4204       break;
4205
4206     case GADGET_ID_UNDO:
4207       if (undo_buffer_steps == 0)
4208       {
4209         Request("Undo buffer empty !", REQ_CONFIRM);
4210         break;
4211       }
4212
4213       undo_buffer_position =
4214         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
4215       undo_buffer_steps--;
4216
4217       for(x=0; x<lev_fieldx; x++)
4218         for(y=0; y<lev_fieldy; y++)
4219           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
4220       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
4221       break;
4222
4223     case GADGET_ID_INFO:
4224       if (edit_mode != ED_MODE_INFO)
4225       {
4226         DrawLevelInfoWindow();
4227         edit_mode = ED_MODE_INFO;
4228       }
4229       else
4230       {
4231         DrawDrawingWindow();
4232         edit_mode = ED_MODE_DRAWING;
4233       }
4234       break;
4235
4236     case GADGET_ID_CLEAR:
4237       for(x=0; x<MAX_LEV_FIELDX; x++)
4238         for(y=0; y<MAX_LEV_FIELDY; y++)
4239           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
4240       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
4241
4242       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4243       break;
4244
4245     case GADGET_ID_SAVE:
4246       if (leveldir_current->readonly)
4247       {
4248         Request("This level is read only !", REQ_CONFIRM);
4249         break;
4250       }
4251
4252       if (!LevelContainsPlayer)
4253         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
4254       else
4255       {
4256         if (Request("Save this level and kill the old ?", REQ_ASK))
4257         {
4258           for(x=0; x<lev_fieldx; x++)
4259             for(y=0; y<lev_fieldy; y++)
4260               Ur[x][y] = Feld[x][y];
4261           SaveLevel(level_nr);
4262         }
4263       }
4264       break;
4265
4266     case GADGET_ID_TEST:
4267       if (!LevelContainsPlayer)
4268         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
4269       else
4270       {
4271         if (LevelChanged())
4272           level.game_version = GAME_VERSION_ACTUAL;
4273
4274         for(x=0; x<lev_fieldx; x++)
4275           for(y=0; y<lev_fieldy; y++)
4276             FieldBackup[x][y] = Ur[x][y];
4277
4278         for(x=0; x<lev_fieldx; x++)
4279           for(y=0; y<lev_fieldy; y++)
4280             Ur[x][y] = Feld[x][y];
4281
4282         /* !!! ---------- ---------- ---------- ---------- ---------- */
4283
4284         for (i=0; i < NUM_CUSTOM_ELEMENTS; i++)
4285         {
4286           int element = EL_CUSTOM_START + i;
4287
4288           if (custom_element_properties[i].indestructible)
4289             Properties1[element] |= EP_BIT_MASSIVE;
4290           else
4291             Properties1[element] &= ~EP_BIT_MASSIVE;
4292
4293           if (custom_element_properties[i].can_fall)
4294             Properties1[element] |= EP_BIT_CAN_FALL;
4295           else
4296             Properties1[element] &= ~EP_BIT_CAN_FALL;
4297
4298           if (custom_element_properties[i].slippery)
4299             Properties1[element] |= EP_BIT_SLIPPERY;
4300           else
4301             Properties1[element] &= ~EP_BIT_SLIPPERY;
4302         }
4303
4304         /* !!! ---------- ---------- ---------- ---------- ---------- */
4305
4306         UnmapLevelEditorGadgets();
4307         UndrawSpecialEditorDoor();
4308
4309         CloseDoor(DOOR_CLOSE_ALL);
4310
4311         DrawCompleteVideoDisplay();
4312
4313         if (setup.autorecord)
4314           TapeStartRecording();
4315
4316         level_editor_test_game = TRUE;
4317         game_status = PLAYING;
4318
4319         InitGame();
4320       }
4321       break;
4322
4323     case GADGET_ID_EXIT:
4324       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
4325       break;
4326
4327     default:
4328       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
4329           id <= GADGET_ID_ELEMENTLIST_LAST)
4330       {
4331         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
4332         int new_element = editor_elements[element_position + element_shift];
4333
4334         PickDrawingElement(button, new_element);
4335
4336         if (!HAS_CONTENT(properties_element) ||
4337             !stick_element_properties_window)
4338         {
4339           properties_element = new_element;
4340           if (edit_mode == ED_MODE_PROPERTIES)
4341             DrawPropertiesWindow();
4342         }
4343
4344         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4345           ClickOnGadget(level_editor_gadget[last_drawing_function],
4346                         MB_LEFTBUTTON);
4347       }
4348 #ifdef DEBUG
4349       else if (gi->event.type == GD_EVENT_PRESSED)
4350         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
4351       else if (gi->event.type == GD_EVENT_RELEASED)
4352         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
4353       else if (gi->event.type == GD_EVENT_MOVING)
4354         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
4355       else
4356         printf("default: HandleControlButtons: ? (id == %d)\n", id);
4357 #endif
4358       break;
4359   }
4360 }
4361
4362 void HandleLevelEditorKeyInput(Key key)
4363 {
4364   char letter = getCharFromKey(key);
4365   int button = MB_LEFTBUTTON;
4366
4367   if (drawing_function == GADGET_ID_TEXT &&
4368       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
4369   {
4370     if (letter)
4371       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
4372     else if (key == KSYM_Delete || key == KSYM_BackSpace)
4373       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
4374     else if (key == KSYM_Return)
4375       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
4376     else if (key == KSYM_Escape)
4377       DrawLevelText(0, 0, 0, TEXT_END);
4378   }
4379   else if (button_status == MB_RELEASED)
4380   {
4381     int i, id = GADGET_ID_NONE;
4382
4383     switch (key)
4384     {
4385       case KSYM_Left:
4386         id = GADGET_ID_SCROLL_LEFT;
4387         break;
4388       case KSYM_Right:
4389         id = GADGET_ID_SCROLL_RIGHT;
4390         break;
4391       case KSYM_Up:
4392         id = GADGET_ID_SCROLL_UP;
4393         break;
4394       case KSYM_Down:
4395         id = GADGET_ID_SCROLL_DOWN;
4396         break;
4397       case KSYM_Page_Up:
4398         id = GADGET_ID_SCROLL_LIST_UP;
4399         button = MB_RIGHTBUTTON;
4400         break;
4401       case KSYM_Page_Down:
4402         id = GADGET_ID_SCROLL_LIST_DOWN;
4403         button = MB_RIGHTBUTTON;
4404         break;
4405
4406       case KSYM_Escape:
4407         if (edit_mode == ED_MODE_DRAWING)
4408         {
4409           RequestExitLevelEditor(setup.ask_on_escape);
4410         }
4411         else
4412         {
4413           DrawDrawingWindow();
4414           edit_mode = ED_MODE_DRAWING;
4415         }
4416         break;
4417
4418       default:
4419         break;
4420     }
4421
4422     if (id != GADGET_ID_NONE)
4423       ClickOnGadget(level_editor_gadget[id], button);
4424     else if (letter == '.')
4425       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
4426     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
4427       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
4428     else
4429       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
4430         if (letter && letter == control_info[i].shortcut)
4431           if (!anyTextGadgetActive())
4432             ClickOnGadget(level_editor_gadget[i], button);
4433   }
4434 }
4435
4436 void HandleLevelEditorIdle()
4437 {
4438   static unsigned long action_delay = 0;
4439   unsigned long action_delay_value = GameFrameDelay;
4440   int xpos = 1, ypos = 2;
4441
4442   if (edit_mode != ED_MODE_PROPERTIES)
4443     return;
4444
4445   if (!DelayReached(&action_delay, action_delay_value))
4446     return;
4447
4448   DrawGraphicAnimationExt(drawto,
4449                           SX + xpos * TILEX,
4450                           SY + ypos * TILEY + MINI_TILEY / 2,
4451                           el2edimg(properties_element), -1, NO_MASKING);
4452
4453   MarkTileDirty(xpos, ypos);
4454   MarkTileDirty(xpos, ypos + 1);
4455
4456   FrameCounter++;       /* increase animation frame counter */
4457 }
4458
4459 void ClearEditorGadgetInfoText()
4460 {
4461   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
4462 }
4463
4464 void HandleEditorGadgetInfoText(void *ptr)
4465 {
4466   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
4467   char infotext[MAX_INFOTEXT_LEN + 1];
4468   char shortcut[MAX_INFOTEXT_LEN + 1];
4469
4470   if (game_status != LEVELED)
4471     return;
4472
4473   ClearEditorGadgetInfoText();
4474
4475   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4476     return;
4477
4478   /* misuse this function to delete brush cursor, if needed */
4479   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
4480     DeleteBrushFromCursor();
4481
4482   if (gi == NULL || gi->info_text == NULL)
4483     return;
4484
4485   strncpy(infotext, gi->info_text, MAX_INFOTEXT_LEN);
4486   infotext[MAX_INFOTEXT_LEN] = '\0';
4487
4488   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
4489   {
4490     int key = control_info[gi->custom_id].shortcut;
4491
4492     if (key)
4493     {
4494       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
4495         sprintf(shortcut, " ('.' or '%c')", key);
4496       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
4497         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
4498       else                                              /* normal case */
4499         sprintf(shortcut, " ('%s%c')",
4500                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
4501
4502       if (strlen(infotext) + strlen(shortcut) <= MAX_INFOTEXT_LEN)
4503         strcat(infotext, shortcut);
4504     }
4505   }
4506
4507   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FS_SMALL, FC_YELLOW);
4508 }
4509
4510 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
4511 {
4512   static int start_lx, start_ly;
4513   char *infotext;
4514   int id = gi->custom_id;
4515   int sx = gi->event.x;
4516   int sy = gi->event.y;
4517   int lx = sx + level_xpos;
4518   int ly = sy + level_ypos;
4519   int min_sx = 0, min_sy = 0;
4520   int max_sx = gi->drawing.area_xsize - 1;
4521   int max_sy = gi->drawing.area_ysize - 1;
4522
4523   ClearEditorGadgetInfoText();
4524
4525   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4526     return;
4527
4528   /* make sure to stay inside drawing area boundaries */
4529   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
4530   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
4531
4532   if (id == GADGET_ID_DRAWING_LEVEL)
4533   {
4534     if (button_status)
4535     {
4536       int min_lx = 0, min_ly = 0;
4537       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
4538
4539       /* get positions inside level field */
4540       lx = sx + level_xpos;
4541       ly = sy + level_ypos;
4542
4543       /* make sure to stay inside level field boundaries */
4544       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
4545       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
4546
4547       /* correct drawing area positions accordingly */
4548       sx = lx - level_xpos;
4549       sy = ly - level_ypos;
4550     }
4551
4552     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
4553     {
4554       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
4555       {
4556         if (gi->event.type == GD_EVENT_PRESSED)
4557         {
4558           start_lx = lx;
4559           start_ly = ly;
4560         }
4561
4562         switch (drawing_function)
4563         {
4564           case GADGET_ID_SINGLE_ITEMS:
4565             infotext = "Drawing single items";
4566             break;
4567           case GADGET_ID_CONNECTED_ITEMS:
4568             infotext = "Drawing connected items";
4569             break;
4570           case GADGET_ID_LINE:
4571             infotext = "Drawing line";
4572             break;
4573           case GADGET_ID_ARC:
4574             infotext = "Drawing arc";
4575             break;
4576           case GADGET_ID_TEXT:
4577             infotext = "Setting text cursor";
4578             break;
4579           case GADGET_ID_RECTANGLE:
4580             infotext = "Drawing rectangle";
4581             break;
4582           case GADGET_ID_FILLED_BOX:
4583             infotext = "Drawing filled box";
4584             break;
4585           case GADGET_ID_FLOOD_FILL:
4586             infotext = "Flood fill";
4587             break;
4588           case GADGET_ID_GRAB_BRUSH:
4589             infotext = "Grabbing brush";
4590             break;
4591           case GADGET_ID_PICK_ELEMENT:
4592             infotext = "Picking element";
4593             break;
4594
4595           default:
4596             infotext = "Drawing position";
4597             break;
4598         }
4599
4600         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4601           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4602                     "%s: %d, %d", infotext, lx, ly);
4603         else
4604           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4605                     "%s: %d, %d", infotext,
4606                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
4607       }
4608       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
4609         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4610                   "%s", getElementInfoText(Feld[lx][ly]));
4611       else
4612         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4613                   "Level position: %d, %d", lx, ly);
4614     }
4615
4616     /* misuse this function to draw brush cursor, if needed */
4617     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
4618     {
4619       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4620         CopyBrushToCursor(sx, sy);
4621       else
4622         DeleteBrushFromCursor();
4623     }
4624   }
4625   else if (id == GADGET_ID_AMOEBA_CONTENT)
4626     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4627               "Amoeba content");
4628   else if (id == GADGET_ID_RANDOM_BACKGROUND)
4629     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4630               "Random placement background");
4631   else
4632     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4633               "Content area %d position: %d, %d",
4634               id - GADGET_ID_ELEM_CONTENT_0 + 1, sx, sy);
4635 }
4636
4637 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
4638 {
4639   if (!ask_if_level_has_changed ||
4640       !LevelChanged() ||
4641       Request("Level has changed! Exit without saving ?",
4642               REQ_ASK | REQ_STAY_OPEN))
4643   {
4644     CloseDoor(DOOR_CLOSE_1);
4645     /*
4646     CloseDoor(DOOR_CLOSE_ALL);
4647     */
4648     game_status = MAINMENU;
4649     DrawMainMenu();
4650   }
4651   else
4652   {
4653     CloseDoor(DOOR_CLOSE_1);
4654     BlitBitmap(bitmap_db_door, bitmap_db_door,
4655                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
4656                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
4657     OpenDoor(DOOR_OPEN_1);
4658   }
4659 }