src/editor.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2002 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * editor.c                                                 *
  12 ***********************************************************/
  13
  14 #include <math.h>
  15
  16 #include "libgame/libgame.h"
  17
  18 #include "editor.h"
  19 #include "screens.h"
  20 #include "tools.h"
  21 #include "files.h"
  22 #include "game.h"
  23 #include "tape.h"
  24
  25 /* positions in the level editor */
  26 #define ED_WIN_MB_LEFT_XPOS             6
  27 #define ED_WIN_MB_LEFT_YPOS             258
  28 #define ED_WIN_MB_MIDDLE_XPOS           42
  29 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  30 #define ED_WIN_MB_RIGHT_XPOS            78
  31 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  32
  33 /* other constants for the editor */
  34 #define ED_SCROLL_NO                    0
  35 #define ED_SCROLL_LEFT                  1
  36 #define ED_SCROLL_RIGHT                 2
  37 #define ED_SCROLL_UP                    4
  38 #define ED_SCROLL_DOWN                  8
  39
  40 /* screens in the level editor */
  41 #define ED_MODE_DRAWING                 0
  42 #define ED_MODE_INFO                    1
  43 #define ED_MODE_PROPERTIES              2
  44
  45 /* how many steps can be cancelled */
  46 #define NUM_UNDO_STEPS                  (10 + 1)
  47
  48 /* values for elements with score */
  49 #define MIN_SCORE                       0
  50 #define MAX_SCORE                       255
  51
  52 /* values for the control window */
  53 #define ED_CTRL_BUTTONS_GFX_YPOS        236
  54 #define ED_CTRL_BUTTONS_ALT_GFX_YPOS    142
  55
  56 #define ED_CTRL1_BUTTONS_HORIZ          4
  57 #define ED_CTRL1_BUTTONS_VERT           4
  58 #define ED_CTRL1_BUTTON_XSIZE           22
  59 #define ED_CTRL1_BUTTON_YSIZE           22
  60 #define ED_CTRL1_BUTTONS_XPOS           6
  61 #define ED_CTRL1_BUTTONS_YPOS           6
  62 #define ED_CTRL2_BUTTONS_HORIZ          3
  63 #define ED_CTRL2_BUTTONS_VERT           2
  64 #define ED_CTRL2_BUTTON_XSIZE           30
  65 #define ED_CTRL2_BUTTON_YSIZE           20
  66 #define ED_CTRL2_BUTTONS_XPOS           5
  67 #define ED_CTRL2_BUTTONS_YPOS           99
  68 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  69 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  70 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
  71
  72 /* values for the element list */
  73 #define ED_ELEMENTLIST_XPOS             5
  74 #define ED_ELEMENTLIST_YPOS             30
  75 #define ED_ELEMENTLIST_XSIZE            20
  76 #define ED_ELEMENTLIST_YSIZE            20
  77 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  78 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  79 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  80                                          ED_ELEMENTLIST_BUTTONS_VERT)
  81
  82 /* values for the setting windows */
  83 #define ED_SETTINGS_XPOS                (MINI_TILEX + 8)
  84 #define ED_SETTINGS2_XPOS               MINI_TILEX
  85 #define ED_SETTINGS_YPOS                MINI_TILEY
  86 #define ED_SETTINGS2_YPOS               (ED_SETTINGS_YPOS + 12 * TILEY - 2)
  87
  88 /* values for counter gadgets */
  89 #define ED_COUNT_ELEM_SCORE_XPOS        ED_SETTINGS_XPOS
  90 #define ED_COUNT_ELEM_SCORE_YPOS        (14 * MINI_TILEY)
  91 #define ED_COUNT_ELEM_CONTENT_XPOS      ED_SETTINGS_XPOS
  92 #define ED_COUNT_ELEM_CONTENT_YPOS      (19 * MINI_TILEY)
  93
  94 #define ED_COUNTER_YSTART               (ED_SETTINGS_YPOS + 2 * TILEY)
  95 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
  96 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
  97                                          n * ED_COUNTER_YDISTANCE)
  98 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
  99                                          n * ED_COUNTER_YDISTANCE - 2)
 100 /* standard distances */
 101 #define ED_BORDER_SIZE                  3
 102 #define ED_GADGET_DISTANCE              2
 103
 104 /* values for element content drawing areas */
 105 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 106 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 107
 108 /* values for random placement background drawing area */
 109 #define ED_AREA_RANDOM_BACKGROUND_XPOS  (29 * MINI_TILEX)
 110 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 111
 112 /* values for scrolling gadgets for drawing area */
 113 #define ED_SCROLLBUTTON_XPOS            24
 114 #define ED_SCROLLBUTTON_YPOS            0
 115 #define ED_SCROLLBAR_XPOS               24
 116 #define ED_SCROLLBAR_YPOS               64
 117
 118 #define ED_SCROLLBUTTON_XSIZE           16
 119 #define ED_SCROLLBUTTON_YSIZE           16
 120
 121 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 122 #define ED_SCROLL_UP_YPOS               (0)
 123 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 124 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 125 #define ED_SCROLL_LEFT_XPOS             (0)
 126 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 127 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 128 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 129 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 130 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 131 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 132 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 133 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 134 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 135 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 136 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 137
 138 /* values for scrolling gadgets for element list */
 139 #define ED_SCROLLBUTTON2_XPOS           50
 140 #define ED_SCROLLBUTTON2_YPOS           0
 141 #define ED_SCROLLBAR2_XPOS              50
 142 #define ED_SCROLLBAR2_YPOS              20
 143
 144 #define ED_SCROLLBUTTON2_XSIZE          10
 145 #define ED_SCROLLBUTTON2_YSIZE          10
 146
 147 #define ED_SCROLL2_UP_XPOS              85
 148 #define ED_SCROLL2_UP_YPOS              30
 149 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 150 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 151                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 152                                          ED_ELEMENTLIST_YSIZE - \
 153                                          ED_SCROLLBUTTON2_YSIZE)
 154 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 155 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 156                                          ED_SCROLLBUTTON2_YSIZE)
 157 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 158 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 159                                          ED_ELEMENTLIST_YSIZE - \
 160                                          2 * ED_SCROLLBUTTON2_YSIZE)
 161
 162 /* values for checkbutton gadgets */
 163 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 164 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 165 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 166 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 167 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 168 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 169 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 170
 171 /* some positions in the editor control window */
 172 #define ED_BUTTON_ELEM_XPOS     6
 173 #define ED_BUTTON_ELEM_YPOS     30
 174 #define ED_BUTTON_ELEM_XSIZE    22
 175 #define ED_BUTTON_ELEM_YSIZE    22
 176
 177 /* some values for text input and counter gadgets */
 178 #define ED_BUTTON_COUNT_YPOS    60
 179 #define ED_BUTTON_COUNT_XSIZE   20
 180 #define ED_BUTTON_COUNT_YSIZE   20
 181 #define ED_WIN_COUNT_XPOS       (2 + ED_BUTTON_COUNT_XSIZE + 2)
 182 #define ED_WIN_COUNT_YPOS       ED_BUTTON_COUNT_YPOS
 183 #define ED_WIN_COUNT_XSIZE      52
 184 #define ED_WIN_COUNT_YSIZE      ED_BUTTON_COUNT_YSIZE
 185 #define ED_WIN_COUNT2_XPOS      27
 186 #define ED_WIN_COUNT2_YPOS      3
 187 #define ED_WIN_COUNT2_XSIZE     46
 188 #define ED_WIN_COUNT2_YSIZE     ED_BUTTON_COUNT_YSIZE
 189
 190 #define ED_BUTTON_MINUS_XPOS    2
 191 #define ED_BUTTON_MINUS_YPOS    ED_BUTTON_COUNT_YPOS
 192 #define ED_BUTTON_MINUS_XSIZE   ED_BUTTON_COUNT_XSIZE
 193 #define ED_BUTTON_MINUS_YSIZE   ED_BUTTON_COUNT_YSIZE
 194 #define ED_BUTTON_PLUS_XPOS     (ED_WIN_COUNT_XPOS + ED_WIN_COUNT_XSIZE + 2)
 195 #define ED_BUTTON_PLUS_YPOS     ED_BUTTON_COUNT_YPOS
 196 #define ED_BUTTON_PLUS_XSIZE    ED_BUTTON_COUNT_XSIZE
 197 #define ED_BUTTON_PLUS_YSIZE    ED_BUTTON_COUNT_YSIZE
 198
 199 /* editor gadget identifiers */
 200
 201 /* drawing toolbox buttons */
 202 #define GADGET_ID_NONE                  -1
 203 #define GADGET_ID_SINGLE_ITEMS          0
 204 #define GADGET_ID_CONNECTED_ITEMS       1
 205 #define GADGET_ID_LINE                  2
 206 #define GADGET_ID_ARC                   3
 207 #define GADGET_ID_RECTANGLE             4
 208 #define GADGET_ID_FILLED_BOX            5
 209 #define GADGET_ID_WRAP_UP               6
 210 #define GADGET_ID_TEXT                  7
 211 #define GADGET_ID_FLOOD_FILL            8
 212 #define GADGET_ID_WRAP_LEFT             9
 213 #define GADGET_ID_PROPERTIES            10
 214 #define GADGET_ID_WRAP_RIGHT            11
 215 #define GADGET_ID_RANDOM_PLACEMENT      12
 216 #define GADGET_ID_GRAB_BRUSH            13
 217 #define GADGET_ID_WRAP_DOWN             14
 218 #define GADGET_ID_PICK_ELEMENT          15
 219 #define GADGET_ID_UNDO                  16
 220 #define GADGET_ID_INFO                  17
 221 #define GADGET_ID_SAVE                  18
 222 #define GADGET_ID_CLEAR                 19
 223 #define GADGET_ID_TEST                  20
 224 #define GADGET_ID_EXIT                  21
 225
 226 /* counter button identifiers */
 227 #define GADGET_ID_ELEM_SCORE_DOWN       22
 228 #define GADGET_ID_ELEM_SCORE_TEXT       23
 229 #define GADGET_ID_ELEM_SCORE_UP         24
 230 #define GADGET_ID_ELEM_CONTENT_DOWN     25
 231 #define GADGET_ID_ELEM_CONTENT_TEXT     26
 232 #define GADGET_ID_ELEM_CONTENT_UP       27
 233 #define GADGET_ID_LEVEL_XSIZE_DOWN      28
 234 #define GADGET_ID_LEVEL_XSIZE_TEXT      29
 235 #define GADGET_ID_LEVEL_XSIZE_UP        30
 236 #define GADGET_ID_LEVEL_YSIZE_DOWN      31
 237 #define GADGET_ID_LEVEL_YSIZE_TEXT      32
 238 #define GADGET_ID_LEVEL_YSIZE_UP        33
 239 #define GADGET_ID_LEVEL_RANDOM_DOWN     34
 240 #define GADGET_ID_LEVEL_RANDOM_TEXT     35
 241 #define GADGET_ID_LEVEL_RANDOM_UP       36
 242 #define GADGET_ID_LEVEL_COLLECT_DOWN    37
 243 #define GADGET_ID_LEVEL_COLLECT_TEXT    38
 244 #define GADGET_ID_LEVEL_COLLECT_UP      39
 245 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  40
 246 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  41
 247 #define GADGET_ID_LEVEL_TIMELIMIT_UP    42
 248 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  43
 249 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  44
 250 #define GADGET_ID_LEVEL_TIMESCORE_UP    45
 251 #define GADGET_ID_SELECT_LEVEL_DOWN     46
 252 #define GADGET_ID_SELECT_LEVEL_TEXT     47
 253 #define GADGET_ID_SELECT_LEVEL_UP       48
 254
 255 /* drawing area identifiers */
 256 #define GADGET_ID_DRAWING_LEVEL         49
 257 #define GADGET_ID_ELEM_CONTENT_0        50
 258 #define GADGET_ID_ELEM_CONTENT_1        51
 259 #define GADGET_ID_ELEM_CONTENT_2        52
 260 #define GADGET_ID_ELEM_CONTENT_3        53
 261 #define GADGET_ID_ELEM_CONTENT_4        54
 262 #define GADGET_ID_ELEM_CONTENT_5        55
 263 #define GADGET_ID_ELEM_CONTENT_6        56
 264 #define GADGET_ID_ELEM_CONTENT_7        57
 265 #define GADGET_ID_AMOEBA_CONTENT        58
 266
 267 /* text input identifiers */
 268 #define GADGET_ID_LEVEL_NAME            59
 269 #define GADGET_ID_LEVEL_AUTHOR          60
 270
 271 /* gadgets for scrolling of drawing area */
 272 #define GADGET_ID_SCROLL_UP             61
 273 #define GADGET_ID_SCROLL_DOWN           62
 274 #define GADGET_ID_SCROLL_LEFT           63
 275 #define GADGET_ID_SCROLL_RIGHT          64
 276 #define GADGET_ID_SCROLL_HORIZONTAL     65
 277 #define GADGET_ID_SCROLL_VERTICAL       66
 278
 279 /* gadgets for scrolling element list */
 280 #define GADGET_ID_SCROLL_LIST_UP        67
 281 #define GADGET_ID_SCROLL_LIST_DOWN      68
 282 #define GADGET_ID_SCROLL_LIST_VERTICAL  69
 283
 284 /* buttons for level settings */
 285 #define GADGET_ID_RANDOM_PERCENTAGE     70
 286 #define GADGET_ID_RANDOM_QUANTITY       71
 287 #define GADGET_ID_RANDOM_RESTRICTED     72
 288 #define GADGET_ID_DOUBLE_SPEED          73
 289 #define GADGET_ID_GRAVITY               74
 290 #define GADGET_ID_STICK_ELEMENT         75
 291 #define GADGET_ID_EM_SLIPPERY_GEMS      76
 292
 293 /* another drawing area for random placement */
 294 #define GADGET_ID_RANDOM_BACKGROUND     77
 295
 296 /* gadgets for buttons in element list */
 297 #define GADGET_ID_ELEMENTLIST_FIRST     78
 298 #define GADGET_ID_ELEMENTLIST_LAST      (78 + ED_NUM_ELEMENTLIST_BUTTONS - 1)
 299
 300 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 301
 302 /* radio button numbers */
 303 #define RADIO_NR_NONE                   0
 304 #define RADIO_NR_DRAWING_TOOLBOX        1
 305 #define RADIO_NR_RANDOM_ELEMENTS        2
 306
 307 /* values for counter gadgets */
 308 #define ED_COUNTER_ID_ELEM_SCORE        0
 309 #define ED_COUNTER_ID_ELEM_CONTENT      1
 310 #define ED_COUNTER_ID_LEVEL_XSIZE       2
 311 #define ED_COUNTER_ID_LEVEL_YSIZE       3
 312 #define ED_COUNTER_ID_LEVEL_COLLECT     4
 313 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   5
 314 #define ED_COUNTER_ID_LEVEL_TIMESCORE   6
 315 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 316 #define ED_COUNTER_ID_SELECT_LEVEL      8
 317
 318 #define ED_NUM_COUNTERBUTTONS           9
 319
 320 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 321 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 322
 323 /* values for scrollbutton gadgets */
 324 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 325 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 326 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 327 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 328 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 329 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 330
 331 #define ED_NUM_SCROLLBUTTONS            6
 332
 333 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 334 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 335
 336 /* values for scrollbar gadgets */
 337 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 338 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 339 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 340
 341 #define ED_NUM_SCROLLBARS               3
 342
 343 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 344 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 345
 346 /* values for text input gadgets */
 347 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 348 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 349
 350 #define ED_NUM_TEXTINPUT                2
 351
 352 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 353 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 354
 355 /* values for checkbutton gadgets */
 356 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 357 #define ED_CHECKBUTTON_ID_GRAVITY               1
 358 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 359 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 360 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 361
 362 #define ED_NUM_CHECKBUTTONS                     5
 363
 364 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 365 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 366
 367 /* values for radiobutton gadgets */
 368 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 369 #define ED_RADIOBUTTON_ID_QUANTITY      1
 370
 371 #define ED_NUM_RADIOBUTTONS             2
 372
 373 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 374 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 375
 376 /* values for CopyLevelToUndoBuffer() */
 377 #define UNDO_IMMEDIATE                  0
 378 #define UNDO_ACCUMULATE                 1
 379
 380 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 381 #define INFOTEXT_XPOS                   SX
 382 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 383 #define INFOTEXT_XSIZE                  SXSIZE
 384 #define INFOTEXT_YSIZE                  MINI_TILEX
 385 #define MAX_INFOTEXT_LEN                (SXSIZE / FONT2_XSIZE)
 386
 387 static struct
 388 {
 389   char shortcut;
 390   char *text;
 391 } control_info[ED_NUM_CTRL_BUTTONS] =
 392 {
 393   { 's', "draw single items" },
 394   { 'd', "draw connected items" },
 395   { 'l', "draw lines" },
 396   { 'a', "draw arcs" },
 397   { 'r', "draw outline rectangles" },
 398   { 'R', "draw filled rectangles" },
 399   { '\0', "wrap (rotate) level up" },
 400   { 't', "enter text elements" },
 401   { 'f', "flood fill" },
 402   { '\0', "wrap (rotate) level left" },
 403   { '?', "properties of drawing element" },
 404   { '\0', "wrap (rotate) level right" },
 405   { '\0', "random element placement" },
 406   { 'b', "grab brush" },
 407   { '\0', "wrap (rotate) level down" },
 408   { ',', "pick drawing element" },
 409   { 'U', "undo last operation" },
 410   { 'I', "level properties" },
 411   { 'S', "save level" },
 412   { 'C', "clear level" },
 413   { 'T', "test level" },
 414   { 'E', "exit level editor" }
 415 };
 416
 417 /* values for random placement */
 418 #define RANDOM_USE_PERCENTAGE           0
 419 #define RANDOM_USE_QUANTITY             1
 420
 421 static int random_placement_value = 10;
 422 static int random_placement_method = RANDOM_USE_QUANTITY;
 423 static int random_placement_background_element = EL_SAND;
 424 static boolean random_placement_background_restricted = FALSE;
 425 static boolean stick_element_properties_window = FALSE;
 426
 427 static struct
 428 {
 429   int x, y;
 430   int min_value, max_value;
 431   int gadget_id_down, gadget_id_up;
 432   int gadget_id_text;
 433   int *value;
 434   char *infotext_above, *infotext_right;
 435 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 436 {
 437   {
 438     ED_COUNT_ELEM_SCORE_XPOS,           ED_COUNT_ELEM_SCORE_YPOS,
 439     MIN_SCORE,                          MAX_SCORE,
 440     GADGET_ID_ELEM_SCORE_DOWN,          GADGET_ID_ELEM_SCORE_UP,
 441     GADGET_ID_ELEM_SCORE_TEXT,
 442     NULL,                               /* will be set when used */
 443     "element score",                    NULL
 444   },
 445   {
 446     ED_COUNT_ELEM_CONTENT_XPOS,         ED_COUNT_ELEM_CONTENT_YPOS,
 447     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 448     GADGET_ID_ELEM_CONTENT_DOWN,        GADGET_ID_ELEM_CONTENT_UP,
 449     GADGET_ID_ELEM_CONTENT_TEXT,
 450     &level.num_yam_contents,
 451     "element content",                  NULL
 452   },
 453   {
 454     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(2),
 455     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 456     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 457     GADGET_ID_LEVEL_XSIZE_TEXT,
 458     &level.fieldx,
 459     "playfield size",                   "width",
 460   },
 461   {
 462     ED_SETTINGS_XPOS + 2 * DXSIZE,      ED_COUNTER_YPOS(2),
 463     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 464     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 465     GADGET_ID_LEVEL_YSIZE_TEXT,
 466     &level.fieldy,
 467     NULL,                               "height",
 468   },
 469   {
 470     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(3),
 471     0,                                  999,
 472     GADGET_ID_LEVEL_COLLECT_DOWN,       GADGET_ID_LEVEL_COLLECT_UP,
 473     GADGET_ID_LEVEL_COLLECT_TEXT,
 474     &level.gems_needed,
 475     "number of emeralds to collect",    NULL
 476   },
 477   {
 478     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 479     0,                                  999,
 480     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 481     GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 482     &level.time,
 483     "time available to solve level",    "(0 => no time limit)"
 484   },
 485   {
 486     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(5),
 487     0,                                  255,
 488     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 489     GADGET_ID_LEVEL_TIMESCORE_TEXT,
 490     &level.score[SC_ZEITBONUS],
 491     "score for each 10 seconds left",   NULL
 492   },
 493   {
 494     ED_SETTINGS_XPOS,                   ED_COUNTER2_YPOS(8),
 495     1,                                  100,
 496     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 497     GADGET_ID_LEVEL_RANDOM_TEXT,
 498     &random_placement_value,
 499     "random element placement",         "in"
 500   },
 501   {
 502     DX + 5 - SX,                        DY + 3 - SY,
 503     1,                                  100,
 504     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 505     GADGET_ID_SELECT_LEVEL_TEXT,
 506     &level_nr,
 507     NULL,                               NULL
 508   }
 509 };
 510
 511 static struct
 512 {
 513   int x, y;
 514   int gadget_id;
 515   int size;
 516   char *value;
 517   char *infotext;
 518 } textinput_info[ED_NUM_TEXTINPUT] =
 519 {
 520   {
 521     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(0),
 522     GADGET_ID_LEVEL_NAME,
 523     MAX_LEVEL_NAME_LEN,
 524     level.name,
 525     "Title"
 526   },
 527   {
 528     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(1),
 529     GADGET_ID_LEVEL_AUTHOR,
 530     MAX_LEVEL_AUTHOR_LEN,
 531     level.author,
 532     "Author"
 533   }
 534 };
 535
 536 static struct
 537 {
 538   int xpos, ypos;
 539   int x, y;
 540   int gadget_id;
 541   char *infotext;
 542 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
 543 {
 544   {
 545     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
 546     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
 547     GADGET_ID_SCROLL_UP,
 548     "scroll level editing area up"
 549   },
 550   {
 551     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
 552     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
 553     GADGET_ID_SCROLL_DOWN,
 554     "scroll level editing area down"
 555   },
 556   {
 557     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
 558     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
 559     GADGET_ID_SCROLL_LEFT,
 560     "scroll level editing area left"
 561   },
 562   {
 563     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
 564     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
 565     GADGET_ID_SCROLL_RIGHT,
 566     "scroll level editing area right"
 567   },
 568   {
 569     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
 570     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
 571     GADGET_ID_SCROLL_LIST_UP,
 572     "scroll element list up ('Page Up')"
 573   },
 574   {
 575     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
 576     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
 577     GADGET_ID_SCROLL_LIST_DOWN,
 578     "scroll element list down ('Page Down')"
 579   }
 580 };
 581
 582 static struct
 583 {
 584   int xpos, ypos;
 585   int x, y;
 586   int width, height;
 587   int type;
 588   int gadget_id;
 589   char *infotext;
 590 } scrollbar_info[ED_NUM_SCROLLBARS] =
 591 {
 592   {
 593     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 594     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
 595     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
 596     GD_TYPE_SCROLLBAR_HORIZONTAL,
 597     GADGET_ID_SCROLL_HORIZONTAL,
 598     "scroll level editing area horizontally"
 599   },
 600   {
 601     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 602     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
 603     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
 604     GD_TYPE_SCROLLBAR_VERTICAL,
 605     GADGET_ID_SCROLL_VERTICAL,
 606     "scroll level editing area vertically"
 607   },
 608   {
 609     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
 610     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
 611     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
 612     GD_TYPE_SCROLLBAR_VERTICAL,
 613     GADGET_ID_SCROLL_LIST_VERTICAL,
 614     "scroll element list vertically"
 615   }
 616 };
 617
 618 static struct
 619 {
 620   int x, y;
 621   int gadget_id;
 622   int radio_button_nr;
 623   int *value;
 624   int checked_value;
 625   char *text, *infotext;
 626 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
 627 {
 628   {
 629     ED_SETTINGS_XPOS + 160,             ED_COUNTER2_YPOS(8),
 630     GADGET_ID_RANDOM_PERCENTAGE,
 631     RADIO_NR_RANDOM_ELEMENTS,
 632     &random_placement_method,           RANDOM_USE_PERCENTAGE,
 633     "percentage",                       "use percentage for random elements"
 634   },
 635   {
 636     ED_SETTINGS_XPOS + 340,             ED_COUNTER2_YPOS(8),
 637     GADGET_ID_RANDOM_QUANTITY,
 638     RADIO_NR_RANDOM_ELEMENTS,
 639     &random_placement_method,           RANDOM_USE_QUANTITY,
 640     "quantity",                         "use quantity for random elements"
 641   }
 642 };
 643
 644 static struct
 645 {
 646   int x, y;
 647   int gadget_id;
 648   boolean *value;
 649   char *text, *infotext;
 650 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
 651 {
 652   {
 653     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(6) - MINI_TILEY,
 654     GADGET_ID_DOUBLE_SPEED,
 655     &level.double_speed,
 656     "double speed movement",            "set movement speed of player"
 657   },
 658   {
 659     ED_SETTINGS_XPOS + 340,             ED_COUNTER_YPOS(6) - MINI_TILEY,
 660     GADGET_ID_GRAVITY,
 661     &level.gravity,
 662     "gravity",                          "set level gravity"
 663   },
 664   {
 665     ED_SETTINGS_XPOS,                   ED_COUNTER2_YPOS(9) - MINI_TILEY,
 666     GADGET_ID_RANDOM_RESTRICTED,
 667     &random_placement_background_restricted,
 668     "restrict random placement to",     "set random placement restriction"
 669   },
 670   {
 671     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 672     GADGET_ID_STICK_ELEMENT,
 673     &stick_element_properties_window,
 674     "stick window to edit content",     "stick window to edit content"
 675   },
 676   {
 677     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 678     GADGET_ID_EM_SLIPPERY_GEMS,
 679     &level.em_slippery_gems,
 680     "slip down from certain flat walls","use EM style slipping behaviour"
 681   }
 682 };
 683
 684 /* maximal size of level editor drawing area */
 685 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 686 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 687
 688 /* actual size of level editor drawing area */
 689 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
 690
 691 /* actual position of level editor drawing area in level playfield */
 692 static int level_xpos = -1, level_ypos = -1;
 693
 694 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
 695
 696 /* drawing elements on the three mouse buttons */
 697 static int new_element1 = EL_WALL;
 698 static int new_element2 = EL_EMPTY;
 699 static int new_element3 = EL_SAND;
 700
 701 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
 702                                 (button) == 2 ? new_element2 : \
 703                                 (button) == 3 ? new_element3 : EL_EMPTY)
 704 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
 705
 706 /* forward declaration for internal use */
 707 static void ModifyEditorCounter(int, int);
 708 static void ModifyEditorCounterLimits(int, int, int);
 709 static void DrawDrawingWindow();
 710 static void DrawLevelInfoWindow();
 711 static void DrawPropertiesWindow();
 712 static void CopyLevelToUndoBuffer(int);
 713 static void HandleDrawingAreas(struct GadgetInfo *);
 714 static void HandleCounterButtons(struct GadgetInfo *);
 715 static void HandleTextInputGadgets(struct GadgetInfo *);
 716 static void HandleRadiobuttons(struct GadgetInfo *);
 717 static void HandleCheckbuttons(struct GadgetInfo *);
 718 static void HandleControlButtons(struct GadgetInfo *);
 719 static void HandleDrawingAreaInfo(struct GadgetInfo *);
 720
 721 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
 722
 723 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
 724 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
 725 static boolean draw_with_brush = FALSE;
 726 static int properties_element = 0;
 727
 728 static short ElementContent[MAX_ELEMENT_CONTENTS][3][3];
 729 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
 730 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
 731 static int undo_buffer_position = 0;
 732 static int undo_buffer_steps = 0;
 733
 734 static int edit_mode;
 735
 736 static int counter_xsize = DXSIZE + FONT2_XSIZE - 2 * ED_GADGET_DISTANCE;
 737
 738 int element_shift = 0;
 739
 740 int editor_el_boulderdash[] =
 741 {
 742   EL_CHAR('B'),
 743   EL_CHAR('O'),
 744   EL_CHAR('U'),
 745   EL_CHAR('L'),
 746
 747   EL_CHAR('-'),
 748   EL_CHAR('D'),
 749   EL_CHAR('E'),
 750   EL_CHAR('R'),
 751
 752   EL_CHAR('D'),
 753   EL_CHAR('A'),
 754   EL_CHAR('S'),
 755   EL_CHAR('H'),
 756
 757   EL_PLAYER1,
 758   EL_EMPTY,
 759   EL_SAND,
 760   EL_STEELWALL,
 761
 762   EL_BD_WALL,
 763   EL_BD_MAGIC_WALL,
 764   EL_EXIT_CLOSED,
 765   EL_EXIT_OPEN,
 766
 767   EL_BD_DIAMOND,
 768   EL_BD_BUTTERFLY_UP,
 769   EL_BD_FIREFLY_UP,
 770   EL_BD_ROCK,
 771
 772   EL_BD_BUTTERFLY_LEFT,
 773   EL_BD_FIREFLY_LEFT,
 774   EL_BD_BUTTERFLY_RIGHT,
 775   EL_BD_FIREFLY_RIGHT,
 776
 777   EL_BD_AMOEBA,
 778   EL_BD_BUTTERFLY_DOWN,
 779   EL_BD_FIREFLY_DOWN,
 780   EL_EMPTY,
 781 };
 782 int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
 783
 784 int editor_el_emerald_mine[] =
 785 {
 786   EL_CHAR('E'),
 787   EL_CHAR('M'),
 788   EL_CHAR('E'),
 789   EL_CHAR('-'),
 790
 791   EL_CHAR('R'),
 792   EL_CHAR('A'),
 793   EL_CHAR('L'),
 794   EL_CHAR('D'),
 795
 796   EL_CHAR('M'),
 797   EL_CHAR('I'),
 798   EL_CHAR('N'),
 799   EL_CHAR('E'),
 800
 801   EL_PLAYER1,
 802   EL_PLAYER2,
 803   EL_PLAYER3,
 804   EL_PLAYER4,
 805
 806   EL_PLAYER1,
 807   EL_EMPTY,
 808   EL_SAND,
 809   EL_ROCK,
 810
 811   EL_STEELWALL,
 812   EL_WALL,
 813   EL_WALL_CRUMBLED,
 814   EL_MAGIC_WALL,
 815
 816   EL_EMERALD,
 817   EL_DIAMOND,
 818   EL_NUT,
 819   EL_BOMB,
 820
 821   EL_WALL_EMERALD,
 822   EL_WALL_DIAMOND,
 823   EL_QUICKSAND_EMPTY,
 824   EL_QUICKSAND_FULL,
 825
 826   EL_DYNAMITE,
 827   EL_DYNAMITE_ACTIVE,
 828   EL_EXIT_CLOSED,
 829   EL_EXIT_OPEN,
 830
 831   EL_YAMYAM,
 832   EL_BUG_UP,
 833   EL_SPACESHIP_UP,
 834   EL_ROBOT,
 835
 836   EL_BUG_LEFT,
 837   EL_SPACESHIP_LEFT,
 838   EL_BUG_RIGHT,
 839   EL_SPACESHIP_RIGHT,
 840
 841   EL_ROBOT_WHEEL,
 842   EL_BUG_DOWN,
 843   EL_SPACESHIP_DOWN,
 844   EL_INVISIBLE_WALL,
 845
 846   EL_ACIDPOOL_TOPLEFT,
 847   EL_ACID,
 848   EL_ACIDPOOL_TOPRIGHT,
 849   EL_EMPTY,
 850
 851   EL_ACIDPOOL_BOTTOMLEFT,
 852   EL_ACIDPOOL_BOTTOM,
 853   EL_ACIDPOOL_BOTTOMRIGHT,
 854   EL_EMPTY,
 855
 856   EL_AMOEBA_DROP,
 857   EL_AMOEBA_DEAD,
 858   EL_AMOEBA_WET,
 859   EL_AMOEBA_DRY,
 860
 861   EL_EM_KEY1_FILE,
 862   EL_EM_KEY2_FILE,
 863   EL_EM_KEY3_FILE,
 864   EL_EM_KEY4_FILE,
 865
 866   EL_EM_GATE1,
 867   EL_EM_GATE2,
 868   EL_EM_GATE3,
 869   EL_EM_GATE4,
 870
 871   EL_EM_GATE1_GRAY,
 872   EL_EM_GATE2_GRAY,
 873   EL_EM_GATE3_GRAY,
 874   EL_EM_GATE4_GRAY,
 875 };
 876 int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
 877
 878 int editor_el_more[] =
 879 {
 880   EL_CHAR('M'),
 881   EL_CHAR('O'),
 882   EL_CHAR('R'),
 883   EL_CHAR('E'),
 884
 885   EL_KEY1,
 886   EL_KEY2,
 887   EL_KEY3,
 888   EL_KEY4,
 889
 890   EL_GATE1,
 891   EL_GATE2,
 892   EL_GATE3,
 893   EL_GATE4,
 894
 895   EL_GATE1_GRAY,
 896   EL_GATE2_GRAY,
 897   EL_GATE3_GRAY,
 898   EL_GATE4_GRAY,
 899
 900   EL_ARROW_BLUE_LEFT,
 901   EL_ARROW_BLUE_RIGHT,
 902   EL_ARROW_BLUE_UP,
 903   EL_ARROW_BLUE_DOWN,
 904
 905   EL_AMOEBA_FULL,
 906   EL_EMERALD_YELLOW,
 907   EL_EMERALD_RED,
 908   EL_EMERALD_PURPLE,
 909
 910   EL_WALL_BD_DIAMOND,
 911   EL_WALL_EMERALD_YELLOW,
 912   EL_WALL_EMERALD_RED,
 913   EL_WALL_EMERALD_PURPLE,
 914
 915   EL_GAMEOFLIFE,
 916   EL_PACMAN_UP,
 917   EL_TIME_ORB_FULL,
 918   EL_TIME_ORB_EMPTY,
 919
 920   EL_PACMAN_LEFT,
 921   EL_DARK_YAMYAM,
 922   EL_PACMAN_RIGHT,
 923   EL_WALL_GROWING,
 924
 925   EL_BIOMAZE,
 926   EL_PACMAN_DOWN,
 927   EL_LAMP,
 928   EL_LAMP_ACTIVE,
 929
 930   EL_DYNABOMB_NR,
 931   EL_DYNABOMB_SZ,
 932   EL_DYNABOMB_XL,
 933   EL_STONEBLOCK,
 934
 935   EL_MOLE,
 936   EL_PENGUIN,
 937   EL_PIG,
 938   EL_DRAGON,
 939
 940   EL_EMPTY,
 941   EL_MOLE_UP,
 942   EL_EMPTY,
 943   EL_EMPTY,
 944
 945   EL_MOLE_LEFT,
 946   EL_EMPTY,
 947   EL_MOLE_RIGHT,
 948   EL_EMPTY,
 949
 950   EL_EMPTY,
 951   EL_MOLE_DOWN,
 952   EL_BALLOON,
 953   EL_BALLOON_SEND_ANY_DIRECTION,
 954
 955   EL_BALLOON_SEND_LEFT,
 956   EL_BALLOON_SEND_RIGHT,
 957   EL_BALLOON_SEND_UP,
 958   EL_BALLOON_SEND_DOWN,
 959
 960   EL_SATELLITE,
 961   EL_WALL_GROWING_X,
 962   EL_WALL_GROWING_Y,
 963   EL_WALL_GROWING_XY,
 964
 965   EL_INVISIBLE_STEELWALL,
 966   EL_INVISIBLE_WALL,
 967   EL_SPEED_PILL,
 968   EL_BLACK_ORB,
 969
 970   EL_EMC_STEELWALL1,
 971   EL_EMC_WALL_PILLAR_UPPER,
 972   EL_EMC_WALL_PILLAR_MIDDLE,
 973   EL_EMC_WALL_PILLAR_LOWER,
 974
 975   EL_EMC_WALL4,
 976   EL_EMC_WALL5,
 977   EL_EMC_WALL6,
 978   EL_EMC_WALL7,
 979 };
 980 int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
 981
 982 int editor_el_sokoban[] =
 983 {
 984   EL_CHAR('S'),
 985   EL_CHAR('O'),
 986   EL_CHAR('K'),
 987   EL_CHAR('O'),
 988
 989   EL_CHAR('-'),
 990   EL_CHAR('B'),
 991   EL_CHAR('A'),
 992   EL_CHAR('N'),
 993
 994   EL_SOKOBAN_OBJECT,
 995   EL_SOKOBAN_FIELD_EMPTY,
 996   EL_SOKOBAN_FIELD_FULL,
 997   EL_STEELWALL,
 998 };
 999 int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1000
1001 int editor_el_supaplex[] =
1002 {
1003   EL_CHAR('S'),
1004   EL_CHAR('U'),
1005   EL_CHAR('P'),
1006   EL_CHAR('A'),
1007
1008   EL_CHAR('P'),
1009   EL_CHAR('L'),
1010   EL_CHAR('E'),
1011   EL_CHAR('X'),
1012
1013   EL_SP_EMPTY,
1014   EL_SP_ZONK,
1015   EL_SP_BASE,
1016   EL_SP_MURPHY,
1017
1018   EL_SP_INFOTRON,
1019   EL_SP_CHIP_SINGLE,
1020   EL_SP_HARD_GRAY,
1021   EL_SP_EXIT_CLOSED,
1022
1023   EL_SP_DISK_ORANGE,
1024   EL_SP_PORT1_RIGHT,
1025   EL_SP_PORT1_DOWN,
1026   EL_SP_PORT1_LEFT,
1027
1028   EL_SP_PORT1_UP,
1029   EL_SP_PORT2_RIGHT,
1030   EL_SP_PORT2_DOWN,
1031   EL_SP_PORT2_LEFT,
1032
1033   EL_SP_PORT2_UP,
1034   EL_SP_SNIKSNAK,
1035   EL_SP_DISK_YELLOW,
1036   EL_SP_TERMINAL,
1037
1038   EL_SP_DISK_RED,
1039   EL_SP_PORT_Y,
1040   EL_SP_PORT_X,
1041   EL_SP_PORT_XY,
1042
1043   EL_SP_ELECTRON,
1044   EL_SP_BUGGY_BASE,
1045   EL_SP_CHIP_LEFT,
1046   EL_SP_CHIP_RIGHT,
1047
1048   EL_SP_HARD_BASE1,
1049   EL_SP_HARD_GREEN,
1050   EL_SP_HARD_BLUE,
1051   EL_SP_HARD_RED,
1052
1053   EL_SP_HARD_YELLOW,
1054   EL_SP_HARD_BASE2,
1055   EL_SP_HARD_BASE3,
1056   EL_SP_HARD_BASE4,
1057
1058   EL_SP_HARD_BASE5,
1059   EL_SP_HARD_BASE6,
1060   EL_SP_CHIP_UPPER,
1061   EL_SP_CHIP_LOWER,
1062 };
1063 int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1064
1065 int editor_el_diamond_caves[] =
1066 {
1067   EL_CHAR('D'),
1068   EL_CHAR('I'),
1069   EL_CHAR('A'),
1070   EL_CHAR('-'),
1071
1072   EL_CHAR('M'),
1073   EL_CHAR('O'),
1074   EL_CHAR('N'),
1075   EL_CHAR('D'),
1076
1077   EL_CHAR('C'),
1078   EL_CHAR('A'),
1079   EL_CHAR('V'),
1080   EL_CHAR('E'),
1081
1082   EL_CHAR('S'),
1083   EL_CHAR(' '),
1084   EL_CHAR('I'),
1085   EL_CHAR('I'),
1086
1087   EL_PEARL,
1088   EL_CRYSTAL,
1089   EL_WALL_PEARL,
1090   EL_WALL_CRYSTAL,
1091
1092   EL_CONVEYOR_BELT1_LEFT,
1093   EL_CONVEYOR_BELT1_MIDDLE,
1094   EL_CONVEYOR_BELT1_RIGHT,
1095   EL_CONVEYOR_BELT1_SWITCH_MIDDLE,
1096
1097   EL_CONVEYOR_BELT2_LEFT,
1098   EL_CONVEYOR_BELT2_MIDDLE,
1099   EL_CONVEYOR_BELT2_RIGHT,
1100   EL_CONVEYOR_BELT2_SWITCH_MIDDLE,
1101
1102   EL_CONVEYOR_BELT3_LEFT,
1103   EL_CONVEYOR_BELT3_MIDDLE,
1104   EL_CONVEYOR_BELT3_RIGHT,
1105   EL_CONVEYOR_BELT3_SWITCH_MIDDLE,
1106
1107   EL_CONVEYOR_BELT4_LEFT,
1108   EL_CONVEYOR_BELT4_MIDDLE,
1109   EL_CONVEYOR_BELT4_RIGHT,
1110   EL_CONVEYOR_BELT4_SWITCH_MIDDLE,
1111
1112   EL_CONVEYOR_BELT1_SWITCH_LEFT,
1113   EL_CONVEYOR_BELT2_SWITCH_LEFT,
1114   EL_CONVEYOR_BELT3_SWITCH_LEFT,
1115   EL_CONVEYOR_BELT4_SWITCH_LEFT,
1116
1117   EL_CONVEYOR_BELT1_SWITCH_RIGHT,
1118   EL_CONVEYOR_BELT2_SWITCH_RIGHT,
1119   EL_CONVEYOR_BELT3_SWITCH_RIGHT,
1120   EL_CONVEYOR_BELT4_SWITCH_RIGHT,
1121
1122   EL_SWITCHGATE_OPEN,
1123   EL_SWITCHGATE_CLOSED,
1124   EL_SWITCHGATE_SWITCH_UP,
1125   EL_ENVELOPE,
1126
1127   EL_TIMEGATE_CLOSED,
1128   EL_TIMEGATE_OPEN,
1129   EL_TIMEGATE_SWITCH,
1130   EL_EMPTY,
1131
1132   EL_LANDMINE,
1133   EL_INVISIBLE_SAND,
1134   EL_STEELWALL_SLANTED,
1135   EL_EMPTY,
1136
1137   EL_SIGN_EXCLAMATION,
1138   EL_SIGN_STOP,
1139   EL_LIGHT_SWITCH,
1140   EL_LIGHT_SWITCH_ACTIVE,
1141
1142   EL_SHIELD_NORMAL,
1143   EL_SHIELD_DEADLY,
1144   EL_EXTRA_TIME,
1145   EL_EMPTY,
1146 };
1147 int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1148
1149 int editor_el_dx_boulderdash[] =
1150 {
1151   EL_CHAR('D'),
1152   EL_CHAR('X'),
1153   EL_CHAR('-'),
1154   EL_CHAR(' '),
1155
1156   EL_CHAR('B'),
1157   EL_CHAR('O'),
1158   EL_CHAR('U'),
1159   EL_CHAR('L'),
1160
1161   EL_CHAR('-'),
1162   EL_CHAR('D'),
1163   EL_CHAR('E'),
1164   EL_CHAR('R'),
1165
1166   EL_CHAR('D'),
1167   EL_CHAR('A'),
1168   EL_CHAR('S'),
1169   EL_CHAR('H'),
1170
1171   EL_SPRING,
1172   EL_TUBE_RIGHT_DOWN,
1173   EL_TUBE_HORIZONTAL_DOWN,
1174   EL_TUBE_LEFT_DOWN,
1175
1176   EL_TUBE_HORIZONTAL,
1177   EL_TUBE_VERTICAL_RIGHT,
1178   EL_TUBE_ALL,
1179   EL_TUBE_VERTICAL_LEFT,
1180
1181   EL_TUBE_VERTICAL,
1182   EL_TUBE_RIGHT_UP,
1183   EL_TUBE_HORIZONTAL_UP,
1184   EL_TUBE_LEFT_UP,
1185
1186   EL_TRAP,
1187   EL_DX_SUPABOMB,
1188   EL_EMPTY,
1189   EL_EMPTY
1190 };
1191 int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
1192
1193 int editor_el_chars[] =
1194 {
1195   EL_CHAR('T'),
1196   EL_CHAR('E'),
1197   EL_CHAR('X'),
1198   EL_CHAR('T'),
1199
1200   EL_CHAR(' '),
1201   EL_CHAR('!'),
1202   EL_CHAR('"'),
1203   EL_CHAR('#'),
1204
1205   EL_CHAR('$'),
1206   EL_CHAR('%'),
1207   EL_CHAR('&'),
1208   EL_CHAR('\''),
1209
1210   EL_CHAR('('),
1211   EL_CHAR(')'),
1212   EL_CHAR('*'),
1213   EL_CHAR('+'),
1214
1215   EL_CHAR(','),
1216   EL_CHAR('-'),
1217   EL_CHAR('.'),
1218   EL_CHAR('/'),
1219
1220   EL_CHAR('0'),
1221   EL_CHAR('1'),
1222   EL_CHAR('2'),
1223   EL_CHAR('3'),
1224
1225   EL_CHAR('4'),
1226   EL_CHAR('5'),
1227   EL_CHAR('6'),
1228   EL_CHAR('7'),
1229
1230   EL_CHAR('8'),
1231   EL_CHAR('9'),
1232   EL_CHAR(':'),
1233   EL_CHAR(';'),
1234
1235   EL_CHAR('<'),
1236   EL_CHAR('='),
1237   EL_CHAR('>'),
1238   EL_CHAR('?'),
1239
1240   EL_CHAR('@'),
1241   EL_CHAR('A'),
1242   EL_CHAR('B'),
1243   EL_CHAR('C'),
1244
1245   EL_CHAR('D'),
1246   EL_CHAR('E'),
1247   EL_CHAR('F'),
1248   EL_CHAR('G'),
1249
1250   EL_CHAR('H'),
1251   EL_CHAR('I'),
1252   EL_CHAR('J'),
1253   EL_CHAR('K'),
1254
1255   EL_CHAR('L'),
1256   EL_CHAR('M'),
1257   EL_CHAR('N'),
1258   EL_CHAR('O'),
1259
1260   EL_CHAR('P'),
1261   EL_CHAR('Q'),
1262   EL_CHAR('R'),
1263   EL_CHAR('S'),
1264
1265   EL_CHAR('T'),
1266   EL_CHAR('U'),
1267   EL_CHAR('V'),
1268   EL_CHAR('W'),
1269
1270   EL_CHAR('X'),
1271   EL_CHAR('Y'),
1272   EL_CHAR('Z'),
1273   EL_CHAR('Ä'),
1274
1275   EL_CHAR('Ö'),
1276   EL_CHAR('Ü'),
1277   EL_CHAR('^'),
1278   EL_CHAR('_'),
1279
1280   EL_CHAR(' '),
1281   EL_CHAR('°'),
1282   EL_CHAR('´'),
1283   EL_CHAR('|')
1284 };
1285 int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
1286
1287 int editor_el_custom[] =
1288 {
1289   EL_CHAR('C'),
1290   EL_CHAR('U'),
1291   EL_CHAR('S'),
1292   EL_CHAR('-'),
1293
1294   EL_CHAR('T'),
1295   EL_CHAR('O'),
1296   EL_CHAR('M'),
1297   EL_CHAR(' '),
1298
1299   EL_CHAR('E'),
1300   EL_CHAR('L'),
1301   EL_CHAR('E'),
1302   EL_CHAR('M'),
1303
1304   EL_CHAR('E'),
1305   EL_CHAR('N'),
1306   EL_CHAR('T'),
1307   EL_CHAR('S'),
1308
1309   EL_CUSTOM_START + 0,
1310   EL_CUSTOM_START + 1,
1311   EL_CUSTOM_START + 2,
1312   EL_CUSTOM_START + 3,
1313
1314   EL_CUSTOM_START + 4,
1315   EL_CUSTOM_START + 5,
1316   EL_CUSTOM_START + 6,
1317   EL_CUSTOM_START + 7,
1318
1319   EL_CUSTOM_START + 8,
1320   EL_CUSTOM_START + 9,
1321   EL_CUSTOM_START + 10,
1322   EL_CUSTOM_START + 11,
1323
1324   EL_CUSTOM_START + 12,
1325   EL_CUSTOM_START + 13,
1326   EL_CUSTOM_START + 14,
1327   EL_CUSTOM_START + 15,
1328
1329   EL_CUSTOM_START + 16,
1330   EL_CUSTOM_START + 17,
1331   EL_CUSTOM_START + 18,
1332   EL_CUSTOM_START + 19,
1333
1334   EL_CUSTOM_START + 20,
1335   EL_CUSTOM_START + 21,
1336   EL_CUSTOM_START + 22,
1337   EL_CUSTOM_START + 23,
1338
1339   EL_CUSTOM_START + 24,
1340   EL_CUSTOM_START + 25,
1341   EL_CUSTOM_START + 26,
1342   EL_CUSTOM_START + 27,
1343
1344   EL_CUSTOM_START + 28,
1345   EL_CUSTOM_START + 29,
1346   EL_CUSTOM_START + 30,
1347   EL_CUSTOM_START + 31,
1348
1349   EL_CUSTOM_START + 32,
1350   EL_CUSTOM_START + 33,
1351   EL_CUSTOM_START + 34,
1352   EL_CUSTOM_START + 35,
1353
1354   EL_CUSTOM_START + 36,
1355   EL_CUSTOM_START + 37,
1356   EL_CUSTOM_START + 38,
1357   EL_CUSTOM_START + 39,
1358
1359   EL_CUSTOM_START + 40,
1360   EL_CUSTOM_START + 41,
1361   EL_CUSTOM_START + 42,
1362   EL_CUSTOM_START + 43,
1363
1364   EL_CUSTOM_START + 44,
1365   EL_CUSTOM_START + 45,
1366   EL_CUSTOM_START + 46,
1367   EL_CUSTOM_START + 47,
1368
1369   EL_CUSTOM_START + 48,
1370   EL_CUSTOM_START + 49,
1371   EL_CUSTOM_START + 50,
1372   EL_CUSTOM_START + 51,
1373
1374   EL_CUSTOM_START + 52,
1375   EL_CUSTOM_START + 53,
1376   EL_CUSTOM_START + 54,
1377   EL_CUSTOM_START + 55,
1378
1379   EL_CUSTOM_START + 56,
1380   EL_CUSTOM_START + 57,
1381   EL_CUSTOM_START + 58,
1382   EL_CUSTOM_START + 59,
1383
1384   EL_CUSTOM_START + 60,
1385   EL_CUSTOM_START + 61,
1386   EL_CUSTOM_START + 62,
1387   EL_CUSTOM_START + 63,
1388
1389   EL_CUSTOM_START + 64,
1390   EL_CUSTOM_START + 65,
1391   EL_CUSTOM_START + 66,
1392   EL_CUSTOM_START + 67,
1393
1394   EL_CUSTOM_START + 68,
1395   EL_CUSTOM_START + 69,
1396   EL_CUSTOM_START + 70,
1397   EL_CUSTOM_START + 71,
1398
1399   EL_CUSTOM_START + 72,
1400   EL_CUSTOM_START + 73,
1401   EL_CUSTOM_START + 74,
1402   EL_CUSTOM_START + 75,
1403
1404   EL_CUSTOM_START + 76,
1405   EL_CUSTOM_START + 77,
1406   EL_CUSTOM_START + 78,
1407   EL_CUSTOM_START + 79,
1408
1409   EL_CUSTOM_START + 80,
1410   EL_CUSTOM_START + 81,
1411   EL_CUSTOM_START + 82,
1412   EL_CUSTOM_START + 83,
1413
1414   EL_CUSTOM_START + 84,
1415   EL_CUSTOM_START + 85,
1416   EL_CUSTOM_START + 86,
1417   EL_CUSTOM_START + 87,
1418
1419   EL_CUSTOM_START + 88,
1420   EL_CUSTOM_START + 89,
1421   EL_CUSTOM_START + 90,
1422   EL_CUSTOM_START + 91,
1423
1424   EL_CUSTOM_START + 92,
1425   EL_CUSTOM_START + 93,
1426   EL_CUSTOM_START + 94,
1427   EL_CUSTOM_START + 95,
1428
1429   EL_CUSTOM_START + 96,
1430   EL_CUSTOM_START + 97,
1431   EL_CUSTOM_START + 98,
1432   EL_CUSTOM_START + 99,
1433
1434   EL_CUSTOM_START + 100,
1435   EL_CUSTOM_START + 101,
1436   EL_CUSTOM_START + 102,
1437   EL_CUSTOM_START + 103,
1438
1439   EL_CUSTOM_START + 104,
1440   EL_CUSTOM_START + 105,
1441   EL_CUSTOM_START + 106,
1442   EL_CUSTOM_START + 107,
1443
1444   EL_CUSTOM_START + 108,
1445   EL_CUSTOM_START + 109,
1446   EL_CUSTOM_START + 110,
1447   EL_CUSTOM_START + 111,
1448
1449   EL_CUSTOM_START + 112,
1450   EL_CUSTOM_START + 113,
1451   EL_CUSTOM_START + 114,
1452   EL_CUSTOM_START + 115,
1453
1454   EL_CUSTOM_START + 116,
1455   EL_CUSTOM_START + 117,
1456   EL_CUSTOM_START + 118,
1457   EL_CUSTOM_START + 119,
1458
1459   EL_CUSTOM_START + 120,
1460   EL_CUSTOM_START + 121,
1461   EL_CUSTOM_START + 122,
1462   EL_CUSTOM_START + 123,
1463
1464   EL_CUSTOM_START + 124,
1465   EL_CUSTOM_START + 125,
1466   EL_CUSTOM_START + 126,
1467   EL_CUSTOM_START + 127
1468 };
1469 int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
1470
1471 int *editor_elements = NULL;    /* dynamically allocated */
1472 int num_editor_elements = 0;    /* dynamically determined */
1473
1474 struct
1475 {
1476   boolean *setup_value;
1477   int *element_list;
1478   int *element_list_size;
1479
1480   boolean last_setup_value;
1481 }
1482 editor_elements_info[] =
1483 {
1484   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
1485     &num_editor_el_boulderdash                                          },
1486   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
1487     &num_editor_el_emerald_mine                                         },
1488   { &setup.editor.el_more,              editor_el_more,
1489     &num_editor_el_more                                                 },
1490   { &setup.editor.el_sokoban,           editor_el_sokoban,
1491     &num_editor_el_sokoban                                              },
1492   { &setup.editor.el_supaplex,          editor_el_supaplex,
1493     &num_editor_el_supaplex                                             },
1494   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
1495     &num_editor_el_diamond_caves                                        },
1496   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
1497     &num_editor_el_dx_boulderdash                                       },
1498   { &setup.editor.el_chars,             editor_el_chars,
1499     &num_editor_el_chars                                                },
1500   { &setup.editor.el_custom,            editor_el_custom,
1501     &num_editor_el_custom                                               },
1502   { NULL,                               NULL,
1503     NULL                                                                }
1504 };
1505
1506 static void ReinitializeElementList()
1507 {
1508   int pos = 0;
1509   int i, j;
1510
1511   if (editor_elements != NULL)
1512     free(editor_elements);
1513
1514   num_editor_elements = 0;
1515
1516   /* determine size of element list */
1517   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1518     if (*editor_elements_info[i].setup_value)
1519       num_editor_elements += *editor_elements_info[i].element_list_size;
1520
1521   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
1522   {
1523     /* workaround: offer at least as many elements as element buttons exist */
1524     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
1525
1526     *editor_elements_info[list_nr].setup_value = TRUE;
1527     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
1528   }
1529
1530   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
1531
1532   /* fill element list */
1533   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1534     if (*editor_elements_info[i].setup_value)
1535       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
1536         editor_elements[pos++] = editor_elements_info[i].element_list[j];
1537 }
1538
1539 static void ReinitializeElementListButtons()
1540 {
1541   static boolean initialization_needed = TRUE;
1542   int i;
1543
1544   if (!initialization_needed)   /* check if editor element setup has changed */
1545     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1546       if (editor_elements_info[i].last_setup_value !=
1547           *editor_elements_info[i].setup_value)
1548         initialization_needed = TRUE;
1549
1550   if (!initialization_needed)
1551     return;
1552
1553   FreeLevelEditorGadgets();
1554   CreateLevelEditorGadgets();
1555
1556   /* store current setup values for next invocation of this function */
1557   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1558     editor_elements_info[i].last_setup_value =
1559       *editor_elements_info[i].setup_value;
1560
1561   initialization_needed = FALSE;
1562 }
1563
1564 static char *getElementInfoText(int element)
1565 {
1566   char *info_text = "unknown";
1567
1568   if (element < NUM_FILE_ELEMENTS &&
1569       element_info[element].editor_description != NULL)
1570     info_text = element_info[element].editor_description;
1571   else
1572     Error(ERR_WARN, "no element description for element %d", element);
1573
1574   return info_text;
1575 }
1576
1577 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
1578 {
1579   int x,y;
1580   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
1581   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
1582
1583   BlitBitmap(drawto, drawto,
1584              SX + (dx == -1 ? MINI_TILEX : 0),
1585              SY + (dy == -1 ? MINI_TILEY : 0),
1586              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
1587              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
1588              SX + (dx == +1 ? MINI_TILEX : 0),
1589              SY + (dy == +1 ? MINI_TILEY : 0));
1590   if (dx)
1591   {
1592     x = (dx == 1 ? 0 : ed_fieldx - 1);
1593     for(y=0; y<ed_fieldy; y++)
1594       DrawMiniElementOrWall(x, y, from_x, from_y);
1595   }
1596   else if (dy)
1597   {
1598     y = (dy == 1 ? 0 : ed_fieldy - 1);
1599     for(x=0; x<ed_fieldx; x++)
1600       DrawMiniElementOrWall(x, y, from_x, from_y);
1601   }
1602
1603   redraw_mask |= REDRAW_FIELD;
1604   BackToFront();
1605 }
1606
1607 static void CreateControlButtons()
1608 {
1609   Bitmap *gd_bitmap = new_graphic_info[IMG_MENU_DOOR].bitmap;
1610   struct GadgetInfo *gi;
1611   unsigned long event_mask;
1612   int i;
1613
1614   /* create toolbox buttons */
1615   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
1616   {
1617     int id = i;
1618     int width, height;
1619     int gd_xoffset, gd_yoffset;
1620     int gd_x1, gd_x2, gd_y1, gd_y2;
1621     int button_type;
1622     int radio_button_nr;
1623     boolean checked;
1624
1625     if (id == GADGET_ID_SINGLE_ITEMS ||
1626         id == GADGET_ID_CONNECTED_ITEMS ||
1627         id == GADGET_ID_LINE ||
1628         id == GADGET_ID_ARC ||
1629         id == GADGET_ID_TEXT ||
1630         id == GADGET_ID_RECTANGLE ||
1631         id == GADGET_ID_FILLED_BOX ||
1632         id == GADGET_ID_FLOOD_FILL ||
1633         id == GADGET_ID_GRAB_BRUSH ||
1634         id == GADGET_ID_PICK_ELEMENT)
1635     {
1636       button_type = GD_TYPE_RADIO_BUTTON;
1637       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
1638       checked = (id == drawing_function ? TRUE : FALSE);
1639       event_mask = GD_EVENT_PRESSED;
1640     }
1641     else
1642     {
1643       button_type = GD_TYPE_NORMAL_BUTTON;
1644       radio_button_nr = RADIO_NR_NONE;
1645       checked = FALSE;
1646
1647       if (id == GADGET_ID_WRAP_LEFT ||
1648           id == GADGET_ID_WRAP_RIGHT ||
1649           id == GADGET_ID_WRAP_UP ||
1650           id == GADGET_ID_WRAP_DOWN)
1651         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1652       else
1653         event_mask = GD_EVENT_RELEASED;
1654     }
1655
1656     if (id < ED_NUM_CTRL1_BUTTONS)
1657     {
1658       int x = i % ED_CTRL1_BUTTONS_HORIZ;
1659       int y = i / ED_CTRL1_BUTTONS_HORIZ;
1660
1661       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
1662       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
1663       width = ED_CTRL1_BUTTON_XSIZE;
1664       height = ED_CTRL1_BUTTON_YSIZE;
1665     }
1666     else
1667     {
1668       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
1669       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
1670
1671       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
1672       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
1673       width = ED_CTRL2_BUTTON_XSIZE;
1674       height = ED_CTRL2_BUTTON_YSIZE;
1675     }
1676
1677     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
1678     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
1679     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
1680     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
1681
1682     gi = CreateGadget(GDI_CUSTOM_ID, id,
1683                       GDI_CUSTOM_TYPE_ID, i,
1684                       GDI_INFO_TEXT, control_info[i].text,
1685                       GDI_X, EX + gd_xoffset,
1686                       GDI_Y, EY + gd_yoffset,
1687                       GDI_WIDTH, width,
1688                       GDI_HEIGHT, height,
1689                       GDI_TYPE, button_type,
1690                       GDI_STATE, GD_BUTTON_UNPRESSED,
1691                       GDI_RADIO_NR, radio_button_nr,
1692                       GDI_CHECKED, checked,
1693                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
1694                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
1695                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
1696                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
1697                       GDI_EVENT_MASK, event_mask,
1698                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1699                       GDI_CALLBACK_ACTION, HandleControlButtons,
1700                       GDI_END);
1701
1702     if (gi == NULL)
1703       Error(ERR_EXIT, "cannot create gadget");
1704
1705     level_editor_gadget[id] = gi;
1706   }
1707
1708   /* create buttons for scrolling of drawing area and element list */
1709   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
1710   {
1711     int id = scrollbutton_info[i].gadget_id;
1712     int x, y, width, height;
1713     int gd_x1, gd_x2, gd_y1, gd_y2;
1714
1715     x = scrollbutton_info[i].x;
1716     y = scrollbutton_info[i].y;
1717
1718     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1719
1720     if (id == GADGET_ID_SCROLL_LIST_UP ||
1721         id == GADGET_ID_SCROLL_LIST_DOWN)
1722     {
1723       x += DX;
1724       y += DY;
1725       width = ED_SCROLLBUTTON2_XSIZE;
1726       height = ED_SCROLLBUTTON2_YSIZE;
1727       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
1728       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
1729       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
1730       gd_y2 = gd_y1;
1731     }
1732     else
1733     {
1734       x += SX;
1735       y += SY;
1736       width = ED_SCROLLBUTTON_XSIZE;
1737       height = ED_SCROLLBUTTON_YSIZE;
1738       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
1739       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
1740       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
1741       gd_y2 = gd_y1;
1742     }
1743
1744     gi = CreateGadget(GDI_CUSTOM_ID, id,
1745                       GDI_CUSTOM_TYPE_ID, i,
1746                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
1747                       GDI_X, x,
1748                       GDI_Y, y,
1749                       GDI_WIDTH, width,
1750                       GDI_HEIGHT, height,
1751                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1752                       GDI_STATE, GD_BUTTON_UNPRESSED,
1753                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
1754                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
1755                       GDI_EVENT_MASK, event_mask,
1756                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1757                       GDI_CALLBACK_ACTION, HandleControlButtons,
1758                       GDI_END);
1759
1760     if (gi == NULL)
1761       Error(ERR_EXIT, "cannot create gadget");
1762
1763     level_editor_gadget[id] = gi;
1764   }
1765
1766   /* create buttons for element list */
1767   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
1768   {
1769     Bitmap *deco_bitmap;
1770     int deco_x, deco_y, deco_xpos, deco_ypos;
1771     int gd_xoffset, gd_yoffset;
1772     int gd_x1, gd_x2, gd_y;
1773     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
1774     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
1775     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
1776     int element = editor_elements[i];
1777
1778     event_mask = GD_EVENT_RELEASED;
1779
1780     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
1781     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
1782
1783     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
1784     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
1785     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
1786
1787     getMiniGraphicSource(el2img(element), &deco_bitmap, &deco_x, &deco_y);
1788     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
1789     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
1790
1791     gi = CreateGadget(GDI_CUSTOM_ID, id,
1792                       GDI_CUSTOM_TYPE_ID, i,
1793                       GDI_INFO_TEXT, getElementInfoText(element),
1794                       GDI_X, DX + gd_xoffset,
1795                       GDI_Y, DY + gd_yoffset,
1796                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
1797                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
1798                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1799                       GDI_STATE, GD_BUTTON_UNPRESSED,
1800                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
1801                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
1802                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
1803                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
1804                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
1805                       GDI_DECORATION_SHIFTING, 1, 1,
1806                       GDI_EVENT_MASK, event_mask,
1807                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1808                       GDI_CALLBACK_ACTION, HandleControlButtons,
1809                       GDI_END);
1810
1811     if (gi == NULL)
1812       Error(ERR_EXIT, "cannot create gadget");
1813
1814     level_editor_gadget[id] = gi;
1815   }
1816 }
1817
1818 static void CreateCounterButtons()
1819 {
1820   int i;
1821
1822   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
1823   {
1824     int j;
1825     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
1826     int ypos = SY + counterbutton_info[i].y;
1827
1828     for (j=0; j<2; j++)
1829     {
1830       Bitmap *gd_bitmap = new_graphic_info[IMG_MENU_DOOR].bitmap;
1831       struct GadgetInfo *gi;
1832       int id = (j == 0 ?
1833                 counterbutton_info[i].gadget_id_down :
1834                 counterbutton_info[i].gadget_id_up);
1835       int gd_xoffset;
1836       int gd_x, gd_x1, gd_x2, gd_y;
1837       int x_size, y_size;
1838       unsigned long event_mask;
1839       char infotext[MAX_INFOTEXT_LEN + 1];
1840
1841       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1842
1843       if (i == ED_COUNTER_ID_SELECT_LEVEL)
1844       {
1845         int sid = (j == 0 ?
1846                    ED_SCROLLBUTTON_ID_AREA_LEFT :
1847                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
1848
1849         event_mask |= GD_EVENT_RELEASED;
1850
1851         if (j == 1)
1852           xpos += 2 * ED_GADGET_DISTANCE;
1853         ypos += ED_GADGET_DISTANCE;
1854
1855         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].xpos;
1856         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
1857         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].ypos;
1858         x_size = ED_SCROLLBUTTON_XSIZE;
1859         y_size = ED_SCROLLBUTTON_YSIZE;
1860       }
1861       else
1862       {
1863         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
1864         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
1865         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
1866         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
1867         x_size = ED_BUTTON_COUNT_XSIZE;
1868         y_size = ED_BUTTON_COUNT_YSIZE;
1869       }
1870
1871       sprintf(infotext, "%s counter value by 1, 5 or 10",
1872               (j == 0 ? "decrease" : "increase"));
1873
1874       gi = CreateGadget(GDI_CUSTOM_ID, id,
1875                         GDI_CUSTOM_TYPE_ID, i,
1876                         GDI_INFO_TEXT, infotext,
1877                         GDI_X, xpos,
1878                         GDI_Y, ypos,
1879                         GDI_WIDTH, x_size,
1880                         GDI_HEIGHT, y_size,
1881                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1882                         GDI_STATE, GD_BUTTON_UNPRESSED,
1883                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
1884                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
1885                         GDI_EVENT_MASK, event_mask,
1886                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1887                         GDI_CALLBACK_ACTION, HandleCounterButtons,
1888                         GDI_END);
1889
1890       if (gi == NULL)
1891         Error(ERR_EXIT, "cannot create gadget");
1892
1893       level_editor_gadget[id] = gi;
1894       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
1895
1896       if (j == 0)
1897       {
1898         int font_type = FC_YELLOW;
1899         int gd_width = ED_WIN_COUNT_XSIZE;
1900
1901         id = counterbutton_info[i].gadget_id_text;
1902         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
1903
1904         if (i == ED_COUNTER_ID_SELECT_LEVEL)
1905         {
1906           font_type = FC_SPECIAL3;
1907
1908           xpos += 2 * ED_GADGET_DISTANCE;
1909           ypos -= ED_GADGET_DISTANCE;
1910
1911           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
1912           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
1913           gd_width = ED_WIN_COUNT2_XSIZE;
1914         }
1915         else
1916         {
1917           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
1918           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
1919         }
1920
1921         gi = CreateGadget(GDI_CUSTOM_ID, id,
1922                           GDI_CUSTOM_TYPE_ID, i,
1923                           GDI_INFO_TEXT, "enter counter value",
1924                           GDI_X, xpos,
1925                           GDI_Y, ypos,
1926                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
1927                           GDI_NUMBER_VALUE, 0,
1928                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
1929                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
1930                           GDI_TEXT_SIZE, 3,
1931                           GDI_TEXT_FONT, font_type,
1932                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
1933                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
1934                           GDI_BORDER_SIZE, ED_BORDER_SIZE,
1935                           GDI_TEXTINPUT_DESIGN_WIDTH, gd_width,
1936                           GDI_EVENT_MASK, event_mask,
1937                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1938                           GDI_CALLBACK_ACTION, HandleCounterButtons,
1939                           GDI_END);
1940
1941         if (gi == NULL)
1942           Error(ERR_EXIT, "cannot create gadget");
1943
1944         level_editor_gadget[id] = gi;
1945         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
1946       }
1947     }
1948   }
1949 }
1950
1951 static void CreateDrawingAreas()
1952 {
1953   struct GadgetInfo *gi;
1954   unsigned long event_mask;
1955   int id;
1956   int i;
1957
1958   event_mask =
1959     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
1960     GD_EVENT_OFF_BORDERS;
1961
1962   /* one for the level drawing area ... */
1963   id = GADGET_ID_DRAWING_LEVEL;
1964   gi = CreateGadget(GDI_CUSTOM_ID, id,
1965                     GDI_X, SX,
1966                     GDI_Y, SY,
1967                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
1968                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
1969                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
1970                     GDI_EVENT_MASK, event_mask,
1971                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
1972                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
1973                     GDI_END);
1974
1975   if (gi == NULL)
1976     Error(ERR_EXIT, "cannot create gadget");
1977
1978   level_editor_gadget[id] = gi;
1979
1980   /* ... up to eight areas for element content ... */
1981   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
1982   {
1983     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
1984     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
1985
1986     id = GADGET_ID_ELEM_CONTENT_0 + i;
1987     gi = CreateGadget(GDI_CUSTOM_ID, id,
1988                       GDI_CUSTOM_TYPE_ID, i,
1989                       GDI_X, gx,
1990                       GDI_Y, gy,
1991                       GDI_WIDTH, 3 * MINI_TILEX,
1992                       GDI_HEIGHT, 3 * MINI_TILEY,
1993                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
1994                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
1995                       GDI_EVENT_MASK, event_mask,
1996                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
1997                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
1998                       GDI_END);
1999
2000     if (gi == NULL)
2001       Error(ERR_EXIT, "cannot create gadget");
2002
2003     level_editor_gadget[id] = gi;
2004   }
2005
2006   /* ... one for the amoeba content */
2007   id = GADGET_ID_AMOEBA_CONTENT;
2008   gi = CreateGadget(GDI_CUSTOM_ID, id,
2009                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2010                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2011                     GDI_WIDTH, MINI_TILEX,
2012                     GDI_HEIGHT, MINI_TILEY,
2013                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2014                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2015                     GDI_EVENT_MASK, event_mask,
2016                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2017                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2018                     GDI_END);
2019
2020   if (gi == NULL)
2021     Error(ERR_EXIT, "cannot create gadget");
2022
2023   level_editor_gadget[id] = gi;
2024
2025   /* ... and one for random placement background restrictions */
2026
2027   id = GADGET_ID_RANDOM_BACKGROUND;
2028   gi = CreateGadget(GDI_CUSTOM_ID, id,
2029                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2030                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2031                     GDI_WIDTH, MINI_TILEX,
2032                     GDI_HEIGHT, MINI_TILEY,
2033                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2034                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2035                     GDI_EVENT_MASK, event_mask,
2036                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2037                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2038                     GDI_END);
2039
2040   if (gi == NULL)
2041     Error(ERR_EXIT, "cannot create gadget");
2042
2043   level_editor_gadget[id] = gi;
2044 }
2045
2046 static void CreateTextInputGadgets()
2047 {
2048   int i;
2049
2050   for (i=0; i<ED_NUM_TEXTINPUT; i++)
2051   {
2052     Bitmap *gd_bitmap = new_graphic_info[IMG_MENU_DOOR].bitmap;
2053     int gd_x, gd_y;
2054     struct GadgetInfo *gi;
2055     unsigned long event_mask;
2056     char infotext[1024];
2057     int id = textinput_info[i].gadget_id;
2058
2059     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2060
2061     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2062     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2063
2064     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
2065     infotext[MAX_INFOTEXT_LEN] = '\0';
2066
2067     gi = CreateGadget(GDI_CUSTOM_ID, id,
2068                       GDI_CUSTOM_TYPE_ID, i,
2069                       GDI_INFO_TEXT, infotext,
2070                       GDI_X, SX + textinput_info[i].x,
2071                       GDI_Y, SY + textinput_info[i].y,
2072                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
2073                       GDI_TEXT_VALUE, textinput_info[i].value,
2074                       GDI_TEXT_SIZE, textinput_info[i].size,
2075                       GDI_TEXT_FONT, FC_YELLOW,
2076                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2077                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2078                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
2079                       GDI_TEXTINPUT_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2080                       GDI_EVENT_MASK, event_mask,
2081                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2082                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
2083                       GDI_END);
2084
2085     if (gi == NULL)
2086       Error(ERR_EXIT, "cannot create gadget");
2087
2088     level_editor_gadget[id] = gi;
2089   }
2090 }
2091
2092 static void CreateScrollbarGadgets()
2093 {
2094   int i;
2095
2096   for (i=0; i<ED_NUM_SCROLLBARS; i++)
2097   {
2098     int id = scrollbar_info[i].gadget_id;
2099     Bitmap *gd_bitmap = new_graphic_info[IMG_MENU_DOOR].bitmap;
2100     int gd_x1, gd_x2, gd_y1, gd_y2;
2101     struct GadgetInfo *gi;
2102     int items_max, items_visible, item_position;
2103     unsigned long event_mask;
2104
2105     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
2106     {
2107       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
2108       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
2109       item_position = 0;
2110     }
2111     else        /* drawing area scrollbars */
2112     {
2113       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
2114       {
2115         items_max = MAX(lev_fieldx + 2, ed_fieldx);
2116         items_visible = ed_fieldx;
2117         item_position = 0;
2118       }
2119       else
2120       {
2121         items_max = MAX(lev_fieldy + 2, ed_fieldy);
2122         items_visible = ed_fieldy;
2123         item_position = 0;
2124       }
2125     }
2126
2127     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2128
2129     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].xpos;
2130     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
2131                       scrollbar_info[i].height : scrollbar_info[i].width));
2132     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2133     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2134
2135     gi = CreateGadget(GDI_CUSTOM_ID, id,
2136                       GDI_CUSTOM_TYPE_ID, i,
2137                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2138                       GDI_X, scrollbar_info[i].x,
2139                       GDI_Y, scrollbar_info[i].y,
2140                       GDI_WIDTH, scrollbar_info[i].width,
2141                       GDI_HEIGHT, scrollbar_info[i].height,
2142                       GDI_TYPE, scrollbar_info[i].type,
2143                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2144                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2145                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2146                       GDI_STATE, GD_BUTTON_UNPRESSED,
2147                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2148                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2149                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
2150                       GDI_EVENT_MASK, event_mask,
2151                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2152                       GDI_CALLBACK_ACTION, HandleControlButtons,
2153                       GDI_END);
2154
2155     if (gi == NULL)
2156       Error(ERR_EXIT, "cannot create gadget");
2157
2158     level_editor_gadget[id] = gi;
2159   }
2160 }
2161
2162 static void CreateCheckbuttonGadgets()
2163 {
2164   Bitmap *gd_bitmap = new_graphic_info[IMG_MENU_DOOR].bitmap;
2165   struct GadgetInfo *gi;
2166   unsigned long event_mask;
2167   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
2168   boolean checked;
2169   int i;
2170
2171   event_mask = GD_EVENT_PRESSED;
2172
2173   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2174   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2175   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
2176   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
2177   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
2178
2179   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
2180   {
2181     int id = radiobutton_info[i].gadget_id;
2182
2183     checked =
2184       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2185
2186     gi = CreateGadget(GDI_CUSTOM_ID, id,
2187                       GDI_CUSTOM_TYPE_ID, i,
2188                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
2189                       GDI_X, SX + radiobutton_info[i].x,
2190                       GDI_Y, SY + radiobutton_info[i].y,
2191                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2192                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2193                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
2194                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
2195                       GDI_CHECKED, checked,
2196                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2197                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2198                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2199                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2200                       GDI_EVENT_MASK, event_mask,
2201                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2202                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
2203                       GDI_END);
2204
2205     if (gi == NULL)
2206       Error(ERR_EXIT, "cannot create gadget");
2207
2208     level_editor_gadget[id] = gi;
2209   }
2210
2211   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
2212   {
2213     int id = checkbutton_info[i].gadget_id;
2214
2215     if (id == GADGET_ID_STICK_ELEMENT)
2216       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
2217     else
2218       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
2219
2220     gi = CreateGadget(GDI_CUSTOM_ID, id,
2221                       GDI_CUSTOM_TYPE_ID, i,
2222                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
2223                       GDI_X, SX + checkbutton_info[i].x,
2224                       GDI_Y, SY + checkbutton_info[i].y,
2225                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2226                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2227                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
2228                       GDI_CHECKED, *checkbutton_info[i].value,
2229                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2230                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2231                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2232                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2233                       GDI_EVENT_MASK, event_mask,
2234                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2235                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
2236                       GDI_END);
2237
2238     if (gi == NULL)
2239       Error(ERR_EXIT, "cannot create gadget");
2240
2241     level_editor_gadget[id] = gi;
2242   }
2243 }
2244
2245 void CreateLevelEditorGadgets()
2246 {
2247   ReinitializeElementList();
2248
2249   CreateControlButtons();
2250   CreateCounterButtons();
2251   CreateDrawingAreas();
2252   CreateTextInputGadgets();
2253   CreateScrollbarGadgets();
2254   CreateCheckbuttonGadgets();
2255 }
2256
2257 void FreeLevelEditorGadgets()
2258 {
2259   int i;
2260
2261   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2262     FreeGadget(level_editor_gadget[i]);
2263 }
2264
2265 static void MapCounterButtons(int id)
2266 {
2267   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
2268   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
2269   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
2270 }
2271
2272 static void MapControlButtons()
2273 {
2274   int counter_id;
2275   int i;
2276
2277   /* map toolbox buttons */
2278   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2279     MapGadget(level_editor_gadget[i]);
2280
2281   /* map buttons to select elements */
2282   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2283     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
2284   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
2285   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
2286   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
2287
2288   /* map buttons to select level */
2289   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
2290   ModifyEditorCounterLimits(counter_id,
2291                             leveldir_current->first_level,
2292                             leveldir_current->last_level);
2293   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2294   MapCounterButtons(counter_id);
2295 }
2296
2297 static void MapDrawingArea(int id)
2298 {
2299   MapGadget(level_editor_gadget[id]);
2300 }
2301
2302 static void MapTextInputGadget(int id)
2303 {
2304   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
2305 }
2306
2307 static void MapRadiobuttonGadget(int id)
2308 {
2309   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
2310 }
2311
2312 static void MapCheckbuttonGadget(int id)
2313 {
2314   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
2315 }
2316
2317 static void MapMainDrawingArea()
2318 {
2319   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
2320   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
2321   int i;
2322
2323   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
2324   {
2325     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
2326           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
2327          no_horizontal_scrollbar) ||
2328         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
2329           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
2330          no_vertical_scrollbar))
2331       continue;
2332
2333     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
2334   }
2335
2336   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
2337   {
2338     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
2339         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
2340       continue;
2341
2342     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
2343   }
2344
2345   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
2346 }
2347
2348 static void UnmapDrawingArea(int id)
2349 {
2350   UnmapGadget(level_editor_gadget[id]);
2351 }
2352
2353 void UnmapLevelEditorWindowGadgets()
2354 {
2355   int i;
2356
2357   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2358     if (level_editor_gadget[i]->x < SX + SXSIZE)
2359       UnmapGadget(level_editor_gadget[i]);
2360 }
2361
2362 void UnmapLevelEditorGadgets()
2363 {
2364   int i;
2365
2366   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2367     UnmapGadget(level_editor_gadget[i]);
2368 }
2369
2370 static void ResetUndoBuffer()
2371 {
2372   undo_buffer_position = -1;
2373   undo_buffer_steps = -1;
2374   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
2375 }
2376
2377 static void DrawEditModeWindow()
2378 {
2379   if (edit_mode == ED_MODE_INFO)
2380     DrawLevelInfoWindow();
2381   else if (edit_mode == ED_MODE_PROPERTIES)
2382     DrawPropertiesWindow();
2383   else  /* edit_mode == ED_MODE_DRAWING */
2384     DrawDrawingWindow();
2385 }
2386
2387 static boolean LevelChanged()
2388 {
2389   boolean level_changed = FALSE;
2390   int x, y;
2391
2392   for(y=0; y<lev_fieldy; y++)
2393     for(x=0; x<lev_fieldx; x++)
2394       if (Feld[x][y] != Ur[x][y])
2395         level_changed = TRUE;
2396
2397   return level_changed;
2398 }
2399
2400 static boolean LevelContainsPlayer()
2401 {
2402   boolean player_found = FALSE;
2403   int x, y;
2404
2405   for(y=0; y<lev_fieldy; y++)
2406     for(x=0; x<lev_fieldx; x++)
2407       if (Feld[x][y] == EL_PLAYER1 ||
2408           Feld[x][y] == EL_SP_MURPHY)
2409         player_found = TRUE;
2410
2411   return player_found;
2412 }
2413
2414 void DrawLevelEd()
2415 {
2416   CloseDoor(DOOR_CLOSE_ALL);
2417   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
2418
2419   if (level_editor_test_game)
2420   {
2421     int x, y;
2422
2423     for(x=0; x<lev_fieldx; x++)
2424       for(y=0; y<lev_fieldy; y++)
2425         Feld[x][y] = Ur[x][y];
2426
2427     for(x=0; x<lev_fieldx; x++)
2428       for(y=0; y<lev_fieldy; y++)
2429         Ur[x][y] = FieldBackup[x][y];
2430
2431     level_editor_test_game = FALSE;
2432   }
2433   else
2434   {
2435     edit_mode = ED_MODE_DRAWING;
2436
2437     ResetUndoBuffer();
2438     level_xpos = -1;
2439     level_ypos = -1;
2440   }
2441
2442   /* copy default editor door content to main double buffer */
2443   BlitBitmap(new_graphic_info[IMG_MENU_DOOR].bitmap, drawto,
2444              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
2445
2446   /* draw mouse button brush elements */
2447   DrawMiniGraphicExt(drawto,
2448                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
2449                      el2img(new_element1));
2450   DrawMiniGraphicExt(drawto,
2451                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
2452                      el2img(new_element2));
2453   DrawMiniGraphicExt(drawto,
2454                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
2455                      el2img(new_element3));
2456
2457   /* draw bigger door */
2458   DrawSpecialEditorDoor();
2459
2460   /* draw new control window */
2461   BlitBitmap(new_graphic_info[IMG_MENU_DOOR].bitmap, drawto,
2462              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
2463
2464   redraw_mask |= REDRAW_ALL;
2465
2466   ReinitializeElementListButtons();     /* only needed after setup changes */
2467
2468   UnmapTapeButtons();
2469   MapControlButtons();
2470
2471   /* copy actual editor door content to door double buffer for OpenDoor() */
2472   BlitBitmap(drawto, bitmap_db_door,
2473              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
2474
2475   DrawEditModeWindow();
2476
2477   /*
2478   FadeToFront();
2479   */
2480
2481
2482   OpenDoor(DOOR_OPEN_1);
2483
2484   /*
2485   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2);
2486   */
2487 }
2488
2489 static void AdjustDrawingAreaGadgets()
2490 {
2491   int ed_xsize = lev_fieldx + 2;
2492   int ed_ysize = lev_fieldy + 2;
2493   int max_ed_fieldx = MAX_ED_FIELDX;
2494   int max_ed_fieldy = MAX_ED_FIELDY;
2495   boolean horizontal_scrollbar_needed;
2496   boolean vertical_scrollbar_needed;
2497   int x, y, width, height;
2498   int xoffset, yoffset;
2499
2500   /* check if we need any scrollbars */
2501   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
2502   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
2503
2504   /* check if we have a smaller editor field because of scrollbars */
2505   if (horizontal_scrollbar_needed)
2506     max_ed_fieldy = MAX_ED_FIELDY - 1;
2507   if (vertical_scrollbar_needed)
2508     max_ed_fieldx = MAX_ED_FIELDX - 1;
2509
2510   /* check again if we now need more scrollbars because of less space */
2511   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
2512   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
2513
2514   /* check if editor field gets even smaller after adding new scrollbars */
2515   if (horizontal_scrollbar_needed)
2516     max_ed_fieldy = MAX_ED_FIELDY - 1;
2517   if (vertical_scrollbar_needed)
2518     max_ed_fieldx = MAX_ED_FIELDX - 1;
2519
2520   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
2521   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
2522
2523   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
2524                GDI_WIDTH, ed_fieldx * MINI_TILEX,
2525                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
2526                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2527                GDI_END);
2528
2529   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
2530   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
2531
2532   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
2533   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
2534
2535   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
2536   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
2537
2538   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
2539   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
2540
2541   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
2542                GDI_WIDTH, width,
2543                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
2544                GDI_END);
2545   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
2546                GDI_HEIGHT, height,
2547                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
2548                GDI_END);
2549 }
2550
2551 static void AdjustLevelScrollPosition()
2552 {
2553   if (level_xpos < -1)
2554     level_xpos = -1;
2555   if (level_xpos > lev_fieldx - ed_fieldx + 1)
2556     level_xpos = lev_fieldx - ed_fieldx + 1;
2557   if (lev_fieldx < ed_fieldx - 2)
2558     level_xpos = -1;
2559
2560   if (level_ypos < -1)
2561     level_ypos = -1;
2562   if (level_ypos > lev_fieldy - ed_fieldy + 1)
2563     level_ypos = lev_fieldy - ed_fieldy + 1;
2564   if (lev_fieldy < ed_fieldy - 2)
2565     level_ypos = -1;
2566 }
2567
2568 static void AdjustEditorScrollbar(int id)
2569 {
2570   struct GadgetInfo *gi = level_editor_gadget[id];
2571   int items_max, items_visible, item_position;
2572
2573   if (id == GADGET_ID_SCROLL_HORIZONTAL)
2574   {
2575     items_max = MAX(lev_fieldx + 2, ed_fieldx);
2576     items_visible = ed_fieldx;
2577     item_position = level_xpos + 1;
2578   }
2579   else
2580   {
2581     items_max = MAX(lev_fieldy + 2, ed_fieldy);
2582     items_visible = ed_fieldy;
2583     item_position = level_ypos + 1;
2584   }
2585
2586   if (item_position > items_max - items_visible)
2587     item_position = items_max - items_visible;
2588
2589   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
2590                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
2591 }
2592
2593 static void ModifyEditorTextInput(int textinput_id, char *new_text)
2594 {
2595   int gadget_id = textinput_info[textinput_id].gadget_id;
2596   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2597
2598   ModifyGadget(gi, GDI_TEXT_VALUE, new_text, GDI_END);
2599 }
2600
2601 static void ModifyEditorCounter(int counter_id, int new_value)
2602 {
2603   int *counter_value = counterbutton_info[counter_id].value;
2604   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
2605   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2606
2607   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
2608
2609   if (counter_value != NULL)
2610     *counter_value = gi->text.number_value;
2611 }
2612
2613 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
2614 {
2615   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
2616   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2617
2618   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
2619 }
2620
2621 static void PickDrawingElement(int button, int element)
2622 {
2623   if (button < 1 || button > 3)
2624     return;
2625
2626   if (button == 1)
2627   {
2628     new_element1 = element;
2629     DrawMiniGraphicExt(drawto,
2630                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
2631                        el2img(new_element1));
2632   }
2633   else if (button == 2)
2634   {
2635     new_element2 = element;
2636     DrawMiniGraphicExt(drawto,
2637                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
2638                        el2img(new_element2));
2639   }
2640   else
2641   {
2642     new_element3 = element;
2643     DrawMiniGraphicExt(drawto,
2644                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
2645                        el2img(new_element3));
2646   }
2647
2648   redraw_mask |= REDRAW_DOOR_1;
2649 }
2650
2651 static void DrawDrawingWindow()
2652 {
2653   SetBackgroundBitmap(NULL);
2654   ClearWindow();
2655   UnmapLevelEditorWindowGadgets();
2656
2657   AdjustDrawingAreaGadgets();
2658   AdjustLevelScrollPosition();
2659   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
2660   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
2661
2662   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
2663   MapMainDrawingArea();
2664 }
2665
2666 static void DrawElementBorder(int dest_x, int dest_y, int width, int height)
2667 {
2668   int border_graphic = IMG_SAND;
2669   Bitmap *src_bitmap;
2670   int src_x, src_y;
2671   int num_mini_tilex = width / MINI_TILEX + 1;
2672   int num_mini_tiley = width / MINI_TILEY + 1;
2673   int x, y;
2674
2675   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
2676
2677   for (y=0; y < num_mini_tiley; y++)
2678     for (x=0; x < num_mini_tilex; x++)
2679       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
2680                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
2681                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
2682
2683   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
2684 }
2685
2686 static void DrawRandomPlacementBackgroundArea()
2687 {
2688   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
2689   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
2690   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
2691   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
2692
2693   ElementContent[0][0][0] = random_placement_background_element;
2694
2695   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
2696   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
2697
2698   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
2699 }
2700
2701 static void DrawLevelInfoWindow()
2702 {
2703   char infotext[1024];
2704   int xoffset_above = 0;
2705   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
2706   int xoffset_right = counter_xsize;
2707   int yoffset_right = ED_BORDER_SIZE;
2708   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
2709   int yoffset_right2 = ED_BORDER_SIZE;
2710   int font_color = FC_GREEN;
2711   int i, x, y;
2712
2713   SetBackgroundBitmap(new_graphic_info[IMG_MENU_BACKGROUND].bitmap);
2714   ClearWindow();
2715   UnmapLevelEditorWindowGadgets();
2716
2717   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
2718            "Level Settings", FS_BIG, FC_YELLOW);
2719   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
2720            "Editor Settings", FS_BIG, FC_YELLOW);
2721
2722   /* draw counter gadgets */
2723   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
2724   {
2725     if (counterbutton_info[i].infotext_above)
2726     {
2727       x = counterbutton_info[i].x + xoffset_above;
2728       y = counterbutton_info[i].y + yoffset_above;
2729
2730       sprintf(infotext, "%s:", counterbutton_info[i].infotext_above);
2731       infotext[MAX_INFOTEXT_LEN] = '\0';
2732       DrawTextF(x, y, font_color, infotext);
2733     }
2734
2735     if (counterbutton_info[i].infotext_right)
2736     {
2737       x = counterbutton_info[i].x + xoffset_right;
2738       y = counterbutton_info[i].y + yoffset_right;
2739
2740       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
2741       infotext[MAX_INFOTEXT_LEN] = '\0';
2742       DrawTextF(x, y, font_color, infotext);
2743     }
2744
2745     ModifyEditorCounter(i, *counterbutton_info[i].value);
2746     MapCounterButtons(i);
2747   }
2748
2749   /* draw text input gadgets */
2750   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
2751   {
2752     x = textinput_info[i].x + xoffset_above;
2753     y = textinput_info[i].y + yoffset_above;
2754
2755     sprintf(infotext, "%s:", textinput_info[i].infotext);
2756     infotext[MAX_INFOTEXT_LEN] = '\0';
2757
2758     DrawTextF(x, y, font_color, infotext);
2759     ModifyEditorTextInput(i, textinput_info[i].value);
2760     MapTextInputGadget(i);
2761   }
2762
2763   /* draw radiobutton gadgets */
2764   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
2765   {
2766     boolean checked =
2767       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2768
2769     x = radiobutton_info[i].x + xoffset_right2;
2770     y = radiobutton_info[i].y + yoffset_right2;
2771
2772     DrawTextF(x, y, font_color, radiobutton_info[i].text);
2773     ModifyGadget(level_editor_gadget[radiobutton_info[i].gadget_id],
2774                  GDI_CHECKED, checked, GDI_END);
2775     MapRadiobuttonGadget(i);
2776   }
2777
2778   /* draw checkbutton gadgets */
2779   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
2780   {
2781     x = checkbutton_info[i].x + xoffset_right2;
2782     y = checkbutton_info[i].y + yoffset_right2;
2783
2784     DrawTextF(x, y, font_color, checkbutton_info[i].text);
2785     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
2786                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
2787     MapCheckbuttonGadget(i);
2788   }
2789
2790   /* draw drawing area */
2791   DrawRandomPlacementBackgroundArea();
2792 }
2793
2794 static void DrawAmoebaContentArea()
2795 {
2796   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
2797   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
2798   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
2799   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
2800   int font_color = FC_GREEN;
2801
2802   ElementContent[0][0][0] = level.amoeba_content;
2803
2804   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
2805   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
2806
2807   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba",
2808            FS_SMALL, font_color);
2809
2810   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
2811 }
2812
2813 static void DrawElementContentAreas()
2814 {
2815   int counter_id = ED_COUNTER_ID_ELEM_CONTENT;
2816   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
2817   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
2818   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
2819   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
2820   int xoffset_right = counter_xsize;
2821   int yoffset_right = ED_BORDER_SIZE;
2822   int font_color = FC_GREEN;
2823   int i, x, y;
2824
2825   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2826     for (y=0; y<3; y++)
2827       for (x=0; x<3; x++)
2828         ElementContent[i][x][y] = level.yam_content[i][x][y];
2829
2830   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2831     UnmapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
2832
2833   /* display counter to choose number of element content areas */
2834   x = counterbutton_info[counter_id].x + xoffset_right;
2835   y = counterbutton_info[counter_id].y + yoffset_right;
2836   DrawTextF(x, y, font_color, "number of content areas");
2837
2838   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2839   MapCounterButtons(counter_id);
2840
2841   /* delete content areas in case of reducing number of them */
2842   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
2843
2844   for (i=0; i<level.num_yam_contents; i++)
2845     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
2846                       area_sy + 6 * (i / 4) * MINI_TILEY,
2847                       3 * MINI_TILEX, 3 * MINI_TILEY);
2848
2849   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
2850            "Content", FS_SMALL, font_color);
2851   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
2852            "when", FS_SMALL, font_color);
2853   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
2854            "smashed", FS_SMALL, font_color);
2855
2856   for (i=0; i<level.num_yam_contents; i++)
2857   {
2858     for (y=0; y<3; y++)
2859       for (x=0; x<3; x++)
2860         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
2861                         ElementContent[i][x][y]);
2862
2863     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
2864               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
2865               font_color, "%d", i + 1);
2866   }
2867
2868   for (i=0; i<level.num_yam_contents; i++)
2869     MapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
2870 }
2871
2872 #define TEXT_COLLECTING         "Score for collecting"
2873 #define TEXT_SMASHING           "Score for smashing"
2874 #define TEXT_CRACKING           "Score for cracking"
2875 #define TEXT_SPEED              "Speed of amoeba growth"
2876 #define TEXT_DURATION           "Duration when activated"
2877
2878 static void DrawPropertiesWindow()
2879 {
2880   int counter_id = ED_COUNTER_ID_ELEM_SCORE;
2881   int num_elements_in_level;
2882   float percentage;
2883   int xoffset_right = counter_xsize;
2884   int yoffset_right = ED_BORDER_SIZE;
2885   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
2886   int yoffset_right2 = ED_BORDER_SIZE;
2887   int xstart = 2;
2888   int ystart = 4;
2889   int font_color = FC_GREEN;
2890   int i, x, y;
2891   static struct
2892   {
2893     int element;
2894     int *value;
2895     char *text;
2896   } elements_with_counter[] =
2897   {
2898     { EL_EMERALD,       &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2899     { EL_BD_DIAMOND,    &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2900     { EL_EMERALD_YELLOW,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2901     { EL_EMERALD_RED,   &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2902     { EL_EMERALD_PURPLE,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2903     { EL_DIAMOND,       &level.score[SC_DIAMANT],       TEXT_COLLECTING },
2904     { EL_BUG_RIGHT,     &level.score[SC_KAEFER],        TEXT_SMASHING },
2905     { EL_BUG_UP,        &level.score[SC_KAEFER],        TEXT_SMASHING },
2906     { EL_BUG_LEFT,      &level.score[SC_KAEFER],        TEXT_SMASHING },
2907     { EL_BUG_DOWN,      &level.score[SC_KAEFER],        TEXT_SMASHING },
2908     { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_KAEFER],    TEXT_SMASHING },
2909     { EL_BD_BUTTERFLY_UP,   &level.score[SC_KAEFER],    TEXT_SMASHING },
2910     { EL_BD_BUTTERFLY_LEFT, &level.score[SC_KAEFER],    TEXT_SMASHING },
2911     { EL_BD_BUTTERFLY_DOWN, &level.score[SC_KAEFER],    TEXT_SMASHING },
2912     { EL_SPACESHIP_RIGHT,&level.score[SC_FLIEGER],      TEXT_SMASHING },
2913     { EL_SPACESHIP_UP,   &level.score[SC_FLIEGER],      TEXT_SMASHING },
2914     { EL_SPACESHIP_LEFT, &level.score[SC_FLIEGER],      TEXT_SMASHING },
2915     { EL_SPACESHIP_DOWN, &level.score[SC_FLIEGER],      TEXT_SMASHING },
2916     { EL_BD_FIREFLY_RIGHT,&level.score[SC_FLIEGER],     TEXT_SMASHING },
2917     { EL_BD_FIREFLY_UP,   &level.score[SC_FLIEGER],     TEXT_SMASHING },
2918     { EL_BD_FIREFLY_LEFT, &level.score[SC_FLIEGER],     TEXT_SMASHING },
2919     { EL_BD_FIREFLY_DOWN, &level.score[SC_FLIEGER],     TEXT_SMASHING },
2920     { EL_YAMYAM,        &level.score[SC_MAMPFER],       TEXT_SMASHING },
2921     { EL_DARK_YAMYAM,   &level.score[SC_MAMPFER],       TEXT_SMASHING },
2922     { EL_ROBOT,         &level.score[SC_ROBOT],         TEXT_SMASHING },
2923     { EL_PACMAN_RIGHT,  &level.score[SC_PACMAN],        TEXT_SMASHING },
2924     { EL_PACMAN_UP,     &level.score[SC_PACMAN],        TEXT_SMASHING },
2925     { EL_PACMAN_LEFT,   &level.score[SC_PACMAN],        TEXT_SMASHING },
2926     { EL_PACMAN_DOWN,   &level.score[SC_PACMAN],        TEXT_SMASHING },
2927     { EL_NUT,           &level.score[SC_KOKOSNUSS],     TEXT_CRACKING },
2928     { EL_DYNAMITE       ,&level.score[SC_DYNAMIT],      TEXT_COLLECTING },
2929     { EL_KEY1,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2930     { EL_KEY2,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2931     { EL_KEY3,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2932     { EL_KEY4,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2933     { EL_EM_KEY1_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2934     { EL_EM_KEY2_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2935     { EL_EM_KEY3_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2936     { EL_EM_KEY4_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2937     { EL_AMOEBA_WET,    &level.amoeba_speed,            TEXT_SPEED },
2938     { EL_AMOEBA_DRY,    &level.amoeba_speed,            TEXT_SPEED },
2939     { EL_AMOEBA_FULL,   &level.amoeba_speed,            TEXT_SPEED },
2940     { EL_BD_AMOEBA,     &level.amoeba_speed,            TEXT_SPEED },
2941     { EL_MAGIC_WALL,    &level.time_magic_wall,         TEXT_DURATION },
2942     { EL_ROBOT_WHEEL,   &level.time_wheel,              TEXT_DURATION },
2943     { -1, NULL, NULL }
2944   };
2945
2946   SetBackgroundBitmap(new_graphic_info[IMG_MENU_BACKGROUND].bitmap);
2947   ClearWindow();
2948   UnmapLevelEditorWindowGadgets();
2949
2950   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
2951            "Element Settings", FS_BIG, FC_YELLOW);
2952
2953   DrawElementBorder(SX + xstart * MINI_TILEX,
2954                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
2955                     TILEX, TILEY);
2956   DrawGraphicAnimationExt(drawto,
2957                           SX + xstart * MINI_TILEX,
2958                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
2959                           el2img(properties_element), NO_MASKING);
2960
2961   FrameCounter = 0;     /* restart animation frame counter */
2962
2963   DrawTextF((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
2964             font_color, getElementInfoText(properties_element));
2965
2966   num_elements_in_level = 0;
2967   for (y=0; y<lev_fieldy; y++)
2968     for (x=0; x<lev_fieldx; x++)
2969       if (Feld[x][y] == properties_element)
2970         num_elements_in_level++;
2971   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
2972
2973   DrawTextF(ED_SETTINGS_XPOS, 5 * TILEY, font_color, "In this level:");
2974   DrawTextF(ED_SETTINGS_XPOS + 15 * FONT2_XSIZE, 5 * TILEY, FC_YELLOW,
2975             "%d (%.2f%%)", num_elements_in_level, percentage);
2976
2977   /* check if there are elements where a score can be chosen for */
2978   for (i=0; elements_with_counter[i].element != -1; i++)
2979   {
2980     if (elements_with_counter[i].element == properties_element)
2981     {
2982       int x = counterbutton_info[counter_id].x + xoffset_right;
2983       int y = counterbutton_info[counter_id].y + yoffset_right;
2984
2985       counterbutton_info[counter_id].value = elements_with_counter[i].value;
2986       DrawTextF(x, y, font_color, elements_with_counter[i].text);
2987
2988       ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
2989       MapCounterButtons(counter_id);
2990       break;
2991     }
2992   }
2993
2994   if (HAS_CONTENT(properties_element))
2995   {
2996     /* draw stickybutton gadget */
2997     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
2998     x = checkbutton_info[i].x + xoffset_right2;
2999     y = checkbutton_info[i].y + yoffset_right2;
3000
3001     DrawTextF(x, y, font_color, checkbutton_info[i].text);
3002     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3003                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3004     MapCheckbuttonGadget(i);
3005
3006     if (IS_AMOEBOID(properties_element))
3007       DrawAmoebaContentArea();
3008     else
3009       DrawElementContentAreas();
3010   }
3011
3012   if (IS_GEM(properties_element))
3013   {
3014     /* draw checkbutton gadget */
3015     i = ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS;
3016     x = checkbutton_info[i].x + xoffset_right2;
3017     y = checkbutton_info[i].y + yoffset_right2;
3018
3019     DrawTextF(x, y, font_color, checkbutton_info[i].text);
3020     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3021                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3022     MapCheckbuttonGadget(i);
3023   }
3024 }
3025
3026 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
3027 {
3028   int lx = sx + level_xpos;
3029   int ly = sy + level_ypos;
3030
3031   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
3032
3033   if (change_level)
3034     Feld[lx][ly] = element;
3035 }
3036
3037 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
3038                      int element, boolean change_level)
3039 {
3040   if (from_y == to_y)                   /* horizontal line */
3041   {
3042     int x;
3043     int y = from_y;
3044
3045     if (from_x > to_x)
3046       swap_numbers(&from_x, &to_x);
3047
3048     for (x=from_x; x<=to_x; x++)
3049       DrawLineElement(x, y, element, change_level);
3050   }
3051   else if (from_x == to_x)              /* vertical line */
3052   {
3053     int x = from_x;
3054     int y;
3055
3056     if (from_y > to_y)
3057       swap_numbers(&from_y, &to_y);
3058
3059     for (y=from_y; y<=to_y; y++)
3060       DrawLineElement(x, y, element, change_level);
3061   }
3062   else                                  /* diagonal line */
3063   {
3064     int len_x = ABS(to_x - from_x);
3065     int len_y = ABS(to_y - from_y);
3066     int x, y;
3067
3068     if (len_y < len_x)                  /* a < 1 */
3069     {
3070       float a = (float)len_y / (float)len_x;
3071
3072       if (from_x > to_x)
3073         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3074
3075       for (x=0; x<=len_x; x++)
3076       {
3077         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
3078         DrawLineElement(from_x + x, from_y + y, element, change_level);
3079       }
3080     }
3081     else                                /* a >= 1 */
3082     {
3083       float a = (float)len_x / (float)len_y;
3084
3085       if (from_y > to_y)
3086         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3087
3088       for (y=0; y<=len_y; y++)
3089       {
3090         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
3091         DrawLineElement(from_x + x, from_y + y, element, change_level);
3092       }
3093     }
3094   }
3095 }
3096
3097 static void DrawRectangle(int from_x, int from_y, int to_x, int to_y,
3098                           int element, boolean change_level)
3099 {
3100   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
3101   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
3102   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
3103   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
3104 }
3105
3106 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
3107                           int element, boolean change_level)
3108 {
3109   int y;
3110
3111   if (from_y > to_y)
3112     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3113
3114   for (y=from_y; y<=to_y; y++)
3115     DrawLine(from_x, y, to_x, y, element, change_level);
3116 }
3117
3118 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
3119                        int element, boolean change_level)
3120 {
3121   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
3122   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
3123   int len_x = ABS(to_x - from_x);
3124   int len_y = ABS(to_y - from_y);
3125   int radius, x, y;
3126
3127   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
3128
3129   /* not optimal (some points get drawn twice) but simple,
3130      and fast enough for the few points we are drawing */
3131
3132   for (x=0; x<=radius; x++)
3133   {
3134     int sx, sy, lx, ly;
3135
3136     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
3137
3138     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
3139     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
3140     lx = sx + level_xpos;
3141     ly = sy + level_ypos;
3142
3143     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3144       DrawLineElement(sx, sy, element, change_level);
3145   }
3146
3147   for (y=0; y<=radius; y++)
3148   {
3149     int sx, sy, lx, ly;
3150
3151     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
3152
3153     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
3154     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
3155     lx = sx + level_xpos;
3156     ly = sy + level_ypos;
3157
3158     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3159       DrawLineElement(sx, sy, element, change_level);
3160   }
3161 }
3162
3163 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
3164                     int element, boolean change_level)
3165 {
3166   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
3167   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
3168
3169   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
3170 }
3171
3172 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
3173 #if DRAW_CIRCLES_BUTTON_AVAILABLE
3174 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
3175                        int element, boolean change_level)
3176 {
3177   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
3178   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
3179   int mirror_to_x2 = from_x - (to_x2 - from_x);
3180   int mirror_to_y2 = from_y - (to_y2 - from_y);
3181
3182   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
3183   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
3184   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
3185   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
3186 }
3187 #endif
3188
3189 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
3190 {
3191   int from_sx, from_sy;
3192   int to_sx, to_sy;
3193
3194   if (from_x > to_x)
3195     swap_numbers(&from_x, &to_x);
3196
3197   if (from_y > to_y)
3198     swap_numbers(&from_y, &to_y);
3199
3200   from_sx = SX + from_x * MINI_TILEX;
3201   from_sy = SY + from_y * MINI_TILEY;
3202   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
3203   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
3204
3205   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
3206   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
3207   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
3208   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
3209
3210   if (from_x == to_x && from_y == to_y)
3211     MarkTileDirty(from_x/2, from_y/2);
3212   else
3213     redraw_mask |= REDRAW_FIELD;
3214 }
3215
3216 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
3217                        int element, boolean change_level)
3218 {
3219   if (element == -1 || change_level)
3220     DrawRectangle(from_x, from_y, to_x, to_y, -1, FALSE);
3221   else
3222     DrawAreaBorder(from_x, from_y, to_x, to_y);
3223 }
3224
3225 /* values for CopyBrushExt() */
3226 #define CB_AREA_TO_BRUSH        0
3227 #define CB_BRUSH_TO_CURSOR      1
3228 #define CB_BRUSH_TO_LEVEL       2
3229 #define CB_DELETE_OLD_CURSOR    3
3230
3231 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
3232                          int button, int mode)
3233 {
3234   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
3235   static int brush_width, brush_height;
3236   static int last_cursor_x = -1, last_cursor_y = -1;
3237   static boolean delete_old_brush;
3238   int new_element = BUTTON_ELEMENT(button);
3239   int x, y;
3240
3241   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
3242     return;
3243
3244   if (mode == CB_AREA_TO_BRUSH)
3245   {
3246     int from_lx, from_ly;
3247
3248     if (from_x > to_x)
3249       swap_numbers(&from_x, &to_x);
3250
3251     if (from_y > to_y)
3252       swap_numbers(&from_y, &to_y);
3253
3254     brush_width = to_x - from_x + 1;
3255     brush_height = to_y - from_y + 1;
3256
3257     from_lx = from_x + level_xpos;
3258     from_ly = from_y + level_ypos;
3259
3260     for (y=0; y<brush_height; y++)
3261     {
3262       for (x=0; x<brush_width; x++)
3263       {
3264         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
3265
3266         if (button != 1)
3267           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
3268       }
3269     }
3270
3271     if (button != 1)
3272       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3273
3274     delete_old_brush = FALSE;
3275   }
3276   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
3277            mode == CB_BRUSH_TO_LEVEL)
3278   {
3279     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
3280     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
3281     int cursor_from_x = cursor_x - brush_width / 2;
3282     int cursor_from_y = cursor_y - brush_height / 2;
3283     int border_from_x = cursor_x, border_from_y = cursor_y;
3284     int border_to_x = cursor_x, border_to_y = cursor_y;
3285
3286     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
3287       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3288
3289     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
3290         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
3291     {
3292       delete_old_brush = FALSE;
3293       return;
3294     }
3295
3296     for (y=0; y<brush_height; y++)
3297     {
3298       for (x=0; x<brush_width; x++)
3299       {
3300         int sx = cursor_from_x + x;
3301         int sy = cursor_from_y + y;
3302         int lx = sx + level_xpos;
3303         int ly = sy + level_ypos;
3304         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
3305         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
3306                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
3307                        brush_buffer[x][y] : new_element);
3308
3309         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3310         {
3311           if (sx < border_from_x)
3312             border_from_x = sx;
3313           else if (sx > border_to_x)
3314             border_to_x = sx;
3315           if (sy < border_from_y)
3316             border_from_y = sy;
3317           else if (sy > border_to_y)
3318             border_to_y = sy;
3319
3320           DrawLineElement(sx, sy, element, change_level);
3321         }
3322       }
3323     }
3324
3325     if (mode != CB_DELETE_OLD_CURSOR)
3326       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
3327
3328     last_cursor_x = cursor_x;
3329     last_cursor_y = cursor_y;
3330     delete_old_brush = TRUE;
3331   }
3332 }
3333
3334 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
3335                             int button)
3336 {
3337   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
3338 }
3339
3340 static void CopyBrushToLevel(int x, int y, int button)
3341 {
3342   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
3343 }
3344
3345 static void CopyBrushToCursor(int x, int y)
3346 {
3347   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
3348 }
3349
3350 static void DeleteBrushFromCursor()
3351 {
3352   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3353 }
3354
3355 static void FloodFill(int from_x, int from_y, int fill_element)
3356 {
3357   int i,x,y;
3358   int old_element;
3359   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
3360   static int safety = 0;
3361
3362   /* check if starting field still has the desired content */
3363   if (Feld[from_x][from_y] == fill_element)
3364     return;
3365
3366   safety++;
3367
3368   if (safety > lev_fieldx*lev_fieldy)
3369     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
3370
3371   old_element = Feld[from_x][from_y];
3372   Feld[from_x][from_y] = fill_element;
3373
3374   for(i=0;i<4;i++)
3375   {
3376     x = from_x + check[i][0];
3377     y = from_y + check[i][1];
3378
3379     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
3380       FloodFill(x, y, fill_element);
3381   }
3382
3383   safety--;
3384 }
3385
3386 /* values for DrawLevelText() modes */
3387 #define TEXT_INIT               0
3388 #define TEXT_SETCURSOR          1
3389 #define TEXT_WRITECHAR          2
3390 #define TEXT_BACKSPACE          3
3391 #define TEXT_NEWLINE            4
3392 #define TEXT_END                5
3393 #define TEXT_QUERY_TYPING       6
3394
3395 static int DrawLevelText(int sx, int sy, char letter, int mode)
3396 {
3397   static short delete_buffer[MAX_LEV_FIELDX];
3398   static int start_sx, start_sy;
3399   static int last_sx, last_sy;
3400   static boolean typing = FALSE;
3401   int letter_element = EL_CHAR_ASCII0 + letter;
3402   int lx = 0, ly = 0;
3403
3404   /* map lower case letters to upper case and convert special characters */
3405   if (letter >= 'a' && letter <= 'z')
3406     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
3407   else if (letter == 'ä' || letter == 'Ä')
3408     letter_element = EL_CHAR_AE;
3409   else if (letter == 'ö' || letter == 'Ö')
3410     letter_element = EL_CHAR_OE;
3411   else if (letter == 'ü' || letter == 'Ü')
3412     letter_element = EL_CHAR_UE;
3413   else if (letter == '^')
3414     letter_element = EL_CHAR_COPYRIGHT;
3415   else
3416     letter_element = EL_CHAR_ASCII0 + letter;
3417
3418   if (mode != TEXT_INIT)
3419   {
3420     if (!typing)
3421       return FALSE;
3422
3423     if (mode != TEXT_SETCURSOR)
3424     {
3425       sx = last_sx;
3426       sy = last_sy;
3427     }
3428
3429     lx = last_sx + level_xpos;
3430     ly = last_sy + level_ypos;
3431   }
3432
3433   switch (mode)
3434   {
3435     case TEXT_INIT:
3436       if (typing)
3437         DrawLevelText(0, 0, 0, TEXT_END);
3438
3439       typing = TRUE;
3440       start_sx = last_sx = sx;
3441       start_sy = last_sy = sy;
3442       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
3443       break;
3444
3445     case TEXT_SETCURSOR:
3446       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
3447       DrawAreaBorder(sx, sy, sx, sy);
3448       last_sx = sx;
3449       last_sy = sy;
3450       break;
3451
3452     case TEXT_WRITECHAR:
3453       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
3454       {
3455         delete_buffer[sx - start_sx] = Feld[lx][ly];
3456         Feld[lx][ly] = letter_element;
3457
3458         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
3459           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
3460         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
3461           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3462         else
3463           DrawLevelText(0, 0, 0, TEXT_END);
3464       }
3465       break;
3466
3467     case TEXT_BACKSPACE:
3468       if (sx > start_sx)
3469       {
3470         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
3471         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
3472         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
3473       }
3474       break;
3475
3476     case TEXT_NEWLINE:
3477       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
3478         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3479       else
3480         DrawLevelText(0, 0, 0, TEXT_END);
3481       break;
3482
3483     case TEXT_END:
3484       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3485       DrawMiniElement(sx, sy, Feld[lx][ly]);
3486       typing = FALSE;
3487       break;
3488
3489     case TEXT_QUERY_TYPING:
3490       break;
3491
3492     default:
3493       break;
3494   }
3495
3496   return typing;
3497 }
3498
3499 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
3500                           int element, boolean change_level)
3501 {
3502   int lx = sx + level_xpos;
3503   int ly = sy + level_ypos;
3504
3505   if (element == -1)
3506     DrawMiniElement(sx, sy, Feld[lx][ly]);
3507   else
3508     DrawAreaBorder(sx, sy, sx, sy);
3509 }
3510
3511 static void CopyLevelToUndoBuffer(int mode)
3512 {
3513   static boolean accumulated_undo = FALSE;
3514   boolean new_undo_buffer_position = TRUE;
3515   int last_border_element;
3516   int x, y;
3517
3518   switch (mode)
3519   {
3520     case UNDO_IMMEDIATE:
3521       accumulated_undo = FALSE;
3522       break;
3523
3524     case UNDO_ACCUMULATE:
3525       if (accumulated_undo)
3526         new_undo_buffer_position = FALSE;
3527       accumulated_undo = TRUE;
3528       break;
3529
3530     default:
3531       break;
3532   }
3533
3534   if (new_undo_buffer_position)
3535   {
3536     /* new position in undo buffer ring */
3537     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
3538
3539     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
3540       undo_buffer_steps++;
3541   }
3542
3543   for(x=0; x<lev_fieldx; x++)
3544     for(y=0; y<lev_fieldy; y++)
3545       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
3546
3547   /* check if drawing operation forces change of border style */
3548   last_border_element = BorderElement;
3549   SetBorderElement();
3550   if (BorderElement != last_border_element)
3551     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3552
3553 #if 0
3554 #ifdef DEBUG
3555   printf("level saved to undo buffer\n");
3556 #endif
3557 #endif
3558 }
3559
3560 static void RandomPlacement(int new_element)
3561 {
3562   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3563   int num_free_positions;
3564   int num_percentage;
3565   int num_elements;
3566   int x, y;
3567
3568   /* determine number of free positions for the new elements */
3569   /* (maybe this statement should be formatted a bit more readable...) */
3570   num_free_positions = 0;
3571   for (x=0; x<lev_fieldx; x++)
3572     for (y=0; y<lev_fieldy; y++)
3573       if ((free_position[x][y] =
3574            ((random_placement_background_restricted &&
3575              Feld[x][y] == random_placement_background_element) ||
3576             (!random_placement_background_restricted &&
3577              Feld[x][y] != new_element))) == TRUE)
3578         num_free_positions++;
3579
3580   /* determine number of new elements to place there */
3581   num_percentage = num_free_positions * random_placement_value / 100;
3582   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
3583                   num_percentage : random_placement_value);
3584
3585   /* if not more free positions than elements to place, fill whole level */
3586   if (num_elements >= num_free_positions)
3587   {
3588     for (x=0; x<lev_fieldx; x++)
3589       for (y=0; y<lev_fieldy; y++)
3590         Feld[x][y] = new_element;
3591
3592     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3593     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3594     return;
3595   }
3596
3597   while (num_elements > 0)
3598   {
3599     x = RND(lev_fieldx);
3600     y = RND(lev_fieldy);
3601
3602     /* don't place element at the same position twice */
3603     if (free_position[x][y])
3604     {
3605       free_position[x][y] = FALSE;
3606       Feld[x][y] = new_element;
3607       num_elements--;
3608     }
3609   }
3610
3611   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3612   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3613 }
3614
3615 void WrapLevel(int dx, int dy)
3616 {
3617   int wrap_dx = lev_fieldx - dx;
3618   int wrap_dy = lev_fieldy - dy;
3619   int x, y;
3620
3621   for(x=0; x<lev_fieldx; x++)
3622     for(y=0; y<lev_fieldy; y++)
3623       FieldBackup[x][y] = Feld[x][y];
3624
3625   for(x=0; x<lev_fieldx; x++)
3626     for(y=0; y<lev_fieldy; y++)
3627       Feld[x][y] =
3628         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
3629
3630   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3631   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
3632 }
3633
3634 static void HandleDrawingAreas(struct GadgetInfo *gi)
3635 {
3636   static boolean started_inside_drawing_area = FALSE;
3637   int id = gi->custom_id;
3638   boolean button_press_event;
3639   boolean button_release_event;
3640   boolean inside_drawing_area = !gi->event.off_borders;
3641   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
3642   int actual_drawing_function;
3643   int button = gi->event.button;
3644   int new_element = BUTTON_ELEMENT(button);
3645   int sx = gi->event.x, sy = gi->event.y;
3646   int min_sx = 0, min_sy = 0;
3647   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
3648   int lx = 0, ly = 0;
3649   int min_lx = 0, min_ly = 0;
3650   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
3651   int x, y;
3652
3653   /* handle info callback for each invocation of action callback */
3654   gi->callback_info(gi);
3655
3656   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
3657   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
3658
3659   /* make sure to stay inside drawing area boundaries */
3660   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
3661   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
3662
3663   if (draw_level)
3664   {
3665     /* get positions inside level field */
3666     lx = sx + level_xpos;
3667     ly = sy + level_ypos;
3668
3669     if (!IN_LEV_FIELD(lx, ly))
3670       inside_drawing_area = FALSE;
3671
3672     /* make sure to stay inside level field boundaries */
3673     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
3674     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
3675
3676     /* correct drawing area positions accordingly */
3677     sx = lx - level_xpos;
3678     sy = ly - level_ypos;
3679   }
3680
3681   if (button_press_event)
3682     started_inside_drawing_area = inside_drawing_area;
3683
3684   if (!started_inside_drawing_area)
3685     return;
3686
3687   if (!button && !button_release_event)
3688     return;
3689
3690   /* automatically switch to 'single item' drawing mode, if needed */
3691   actual_drawing_function =
3692     (draw_level ? drawing_function : GADGET_ID_SINGLE_ITEMS);
3693
3694   switch (actual_drawing_function)
3695   {
3696     case GADGET_ID_SINGLE_ITEMS:
3697       if (draw_level)
3698       {
3699         if (button_release_event)
3700         {
3701           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3702
3703           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
3704               !inside_drawing_area)
3705             DeleteBrushFromCursor();
3706         }
3707
3708         if (!button)
3709           break;
3710
3711         if (draw_with_brush)
3712         {
3713           if (!button_release_event)
3714             CopyBrushToLevel(sx, sy, button);
3715         }
3716         else if (new_element != Feld[lx][ly])
3717         {
3718           if (new_element == EL_PLAYER1)
3719           {
3720             /* remove player at old position */
3721             for(y=0; y<lev_fieldy; y++)
3722             {
3723               for(x=0; x<lev_fieldx; x++)
3724               {
3725                 if (Feld[x][y] == EL_PLAYER1)
3726                 {
3727                   Feld[x][y] = EL_EMPTY;
3728                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
3729                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
3730                     DrawMiniElement(x - level_xpos, y - level_ypos,
3731                                     EL_EMPTY);
3732                 }
3733               }
3734             }
3735           }
3736
3737           Feld[lx][ly] = new_element;
3738           DrawMiniElement(sx, sy, new_element);
3739         }
3740       }
3741       else
3742       {
3743         DrawMiniGraphicExt(drawto,
3744                            gi->x + sx * MINI_TILEX,
3745                            gi->y + sy * MINI_TILEY,
3746                            el2img(new_element));
3747         DrawMiniGraphicExt(window,
3748                            gi->x + sx * MINI_TILEX,
3749                            gi->y + sy * MINI_TILEY,
3750                            el2img(new_element));
3751
3752         if (id == GADGET_ID_AMOEBA_CONTENT)
3753           level.amoeba_content = new_element;
3754         else if (id == GADGET_ID_RANDOM_BACKGROUND)
3755           random_placement_background_element = new_element;
3756         else if (id >= GADGET_ID_ELEM_CONTENT_0 &&
3757                  id <= GADGET_ID_ELEM_CONTENT_7)
3758           level.yam_content[id - GADGET_ID_ELEM_CONTENT_0][sx][sy] =
3759             new_element;
3760       }
3761       break;
3762
3763     case GADGET_ID_CONNECTED_ITEMS:
3764       {
3765         static int last_sx = -1;
3766         static int last_sy = -1;
3767
3768         if (button_release_event)
3769           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3770
3771         if (button)
3772         {
3773           if (!button_press_event)
3774             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
3775
3776           last_sx = sx;
3777           last_sy = sy;
3778         }
3779       }
3780       break;
3781
3782     case GADGET_ID_LINE:
3783     case GADGET_ID_ARC:
3784     case GADGET_ID_RECTANGLE:
3785     case GADGET_ID_FILLED_BOX:
3786     case GADGET_ID_GRAB_BRUSH:
3787     case GADGET_ID_TEXT:
3788       {
3789         static int last_sx = -1;
3790         static int last_sy = -1;
3791         static int start_sx = -1;
3792         static int start_sy = -1;
3793         void (*draw_func)(int, int, int, int, int, boolean);
3794
3795         if (drawing_function == GADGET_ID_LINE)
3796           draw_func = DrawLine;
3797         else if (drawing_function == GADGET_ID_ARC)
3798           draw_func = DrawArc;
3799         else if (drawing_function == GADGET_ID_RECTANGLE)
3800           draw_func = DrawRectangle;
3801         else if (drawing_function == GADGET_ID_FILLED_BOX)
3802           draw_func = DrawFilledBox;
3803         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
3804           draw_func = SelectArea;
3805         else /* (drawing_function == GADGET_ID_TEXT) */
3806           draw_func = SetTextCursor;
3807
3808         if (button_press_event)
3809         {
3810           draw_func(sx, sy, sx, sy, new_element, FALSE);
3811           start_sx = last_sx = sx;
3812           start_sy = last_sy = sy;
3813
3814           if (drawing_function == GADGET_ID_TEXT)
3815             DrawLevelText(0, 0, 0, TEXT_END);
3816         }
3817         else if (button_release_event)
3818         {
3819           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
3820           if (drawing_function == GADGET_ID_GRAB_BRUSH)
3821           {
3822             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
3823             CopyBrushToCursor(sx, sy);
3824             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
3825                           MB_LEFTBUTTON);
3826             draw_with_brush = TRUE;
3827           }
3828           else if (drawing_function == GADGET_ID_TEXT)
3829             DrawLevelText(sx, sy, 0, TEXT_INIT);
3830           else
3831             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3832         }
3833         else if (last_sx != sx || last_sy != sy)
3834         {
3835           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
3836           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
3837           last_sx = sx;
3838           last_sy = sy;
3839         }
3840       }
3841       break;
3842
3843     case GADGET_ID_FLOOD_FILL:
3844       if (button_press_event && Feld[lx][ly] != new_element)
3845       {
3846         FloodFill(lx, ly, new_element);
3847         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3848         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3849       }
3850       break;
3851
3852     case GADGET_ID_PICK_ELEMENT:
3853       if (button_release_event)
3854         ClickOnGadget(level_editor_gadget[last_drawing_function],
3855                       MB_LEFTBUTTON);
3856       else
3857         PickDrawingElement(button, Feld[lx][ly]);
3858
3859       break;
3860
3861     default:
3862       break;
3863   }
3864 }
3865
3866 static void HandleCounterButtons(struct GadgetInfo *gi)
3867 {
3868   int gadget_id = gi->custom_id;
3869   int counter_id = gi->custom_type_id;
3870   int button = gi->event.button;
3871   int *counter_value = counterbutton_info[counter_id].value;
3872   int step = BUTTON_STEPSIZE(button) *
3873     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
3874
3875   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
3876   {
3877     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
3878     boolean released = (gi->event.type == GD_EVENT_RELEASED);
3879     boolean level_changed = LevelChanged();
3880
3881     if ((level_changed && pressed) || (!level_changed && released))
3882       return;
3883
3884     if (level_changed && !Request("Level has changed! Discard changes ?",
3885                                   REQ_ASK))
3886     {
3887       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
3888         ModifyEditorCounter(counter_id, *counter_value);
3889       return;
3890     }
3891   }
3892
3893   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
3894     *counter_value = gi->text.number_value;
3895   else
3896     ModifyEditorCounter(counter_id, *counter_value + step);
3897
3898   switch (counter_id)
3899   {
3900     case ED_COUNTER_ID_ELEM_CONTENT:
3901       DrawElementContentAreas();
3902       break;
3903
3904     case ED_COUNTER_ID_LEVEL_XSIZE:
3905     case ED_COUNTER_ID_LEVEL_YSIZE:
3906       lev_fieldx = level.fieldx;
3907       lev_fieldy = level.fieldy;
3908       break;
3909
3910     case ED_COUNTER_ID_SELECT_LEVEL:
3911       LoadLevel(level_nr);
3912       TapeErase();
3913       ResetUndoBuffer();
3914       DrawEditModeWindow();
3915       break;
3916
3917     default:
3918       break;
3919   }
3920 }
3921
3922 static void HandleTextInputGadgets(struct GadgetInfo *gi)
3923 {
3924   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
3925 }
3926
3927 static void HandleRadiobuttons(struct GadgetInfo *gi)
3928 {
3929   *radiobutton_info[gi->custom_type_id].value =
3930     radiobutton_info[gi->custom_type_id].checked_value;
3931 }
3932
3933 static void HandleCheckbuttons(struct GadgetInfo *gi)
3934 {
3935   *checkbutton_info[gi->custom_type_id].value ^= TRUE;
3936 }
3937
3938 static void HandleControlButtons(struct GadgetInfo *gi)
3939 {
3940   int id = gi->custom_id;
3941   int button = gi->event.button;
3942   int step = BUTTON_STEPSIZE(button);
3943   int new_element = BUTTON_ELEMENT(button);
3944   int i, x, y;
3945
3946   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
3947     DrawLevelText(0, 0, 0, TEXT_END);
3948
3949   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
3950       edit_mode != ED_MODE_DRAWING)
3951   {
3952     DrawDrawingWindow();
3953     edit_mode = ED_MODE_DRAWING;
3954   }
3955
3956   switch (id)
3957   {
3958     case GADGET_ID_SCROLL_LEFT:
3959       if (level_xpos >= 0)
3960       {
3961         if (lev_fieldx < ed_fieldx - 2)
3962           break;
3963
3964         level_xpos -= step;
3965         if (level_xpos < -1)
3966           level_xpos = -1;
3967         if (button == 1)
3968           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
3969         else
3970           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3971
3972         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3973                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
3974       }
3975       break;
3976
3977     case GADGET_ID_SCROLL_RIGHT:
3978       if (level_xpos <= lev_fieldx - ed_fieldx)
3979       {
3980         if (lev_fieldx < ed_fieldx - 2)
3981           break;
3982
3983         level_xpos += step;
3984         if (level_xpos > lev_fieldx - ed_fieldx + 1)
3985           level_xpos = lev_fieldx - ed_fieldx + 1;
3986         if (button == 1)
3987           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
3988         else
3989           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3990
3991         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3992                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
3993       }
3994       break;
3995
3996     case GADGET_ID_SCROLL_UP:
3997       if (level_ypos >= 0)
3998       {
3999         if (lev_fieldy < ed_fieldy - 2)
4000           break;
4001
4002         level_ypos -= step;
4003         if (level_ypos < -1)
4004           level_ypos = -1;
4005         if (button == 1)
4006           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
4007         else
4008           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4009
4010         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4011                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
4012       }
4013       break;
4014
4015     case GADGET_ID_SCROLL_DOWN:
4016       if (level_ypos <= lev_fieldy - ed_fieldy)
4017       {
4018         if (lev_fieldy < ed_fieldy - 2)
4019           break;
4020
4021         level_ypos += step;
4022         if (level_ypos > lev_fieldy - ed_fieldy + 1)
4023           level_ypos = lev_fieldy - ed_fieldy + 1;
4024         if (button == 1)
4025           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
4026         else
4027           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4028
4029         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4030                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
4031       }
4032       break;
4033
4034     case GADGET_ID_SCROLL_HORIZONTAL:
4035       level_xpos = gi->event.item_position - 1;
4036       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4037       break;
4038
4039     case GADGET_ID_SCROLL_VERTICAL:
4040       level_ypos = gi->event.item_position - 1;
4041       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4042       break;
4043
4044     case GADGET_ID_SCROLL_LIST_UP:
4045     case GADGET_ID_SCROLL_LIST_DOWN:
4046     case GADGET_ID_SCROLL_LIST_VERTICAL:
4047       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
4048         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
4049       else
4050       {
4051         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
4052         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
4053
4054         if (element_shift < 0)
4055           element_shift = 0;
4056         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
4057           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
4058
4059         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
4060                      GDI_SCROLLBAR_ITEM_POSITION,
4061                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
4062       }
4063
4064       for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4065       {
4066         int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4067         struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4068         struct GadgetDesign *gd = &gi->deco.design;
4069         int element = editor_elements[element_shift + i];
4070
4071         UnmapGadget(gi);
4072         getMiniGraphicSource(el2img(element), &gd->bitmap, &gd->x, &gd->y);
4073         ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4074         MapGadget(gi);
4075       }
4076       break;
4077
4078     case GADGET_ID_WRAP_LEFT:
4079       WrapLevel(-step, 0);
4080       break;
4081
4082     case GADGET_ID_WRAP_RIGHT:
4083       WrapLevel(step, 0);
4084       break;
4085
4086     case GADGET_ID_WRAP_UP:
4087       WrapLevel(0, -step);
4088       break;
4089
4090     case GADGET_ID_WRAP_DOWN:
4091       WrapLevel(0, step);
4092       break;
4093
4094     case GADGET_ID_SINGLE_ITEMS:
4095     case GADGET_ID_CONNECTED_ITEMS:
4096     case GADGET_ID_LINE:
4097     case GADGET_ID_ARC:
4098     case GADGET_ID_TEXT:
4099     case GADGET_ID_RECTANGLE:
4100     case GADGET_ID_FILLED_BOX:
4101     case GADGET_ID_FLOOD_FILL:
4102     case GADGET_ID_GRAB_BRUSH:
4103     case GADGET_ID_PICK_ELEMENT:
4104       last_drawing_function = drawing_function;
4105       drawing_function = id;
4106       draw_with_brush = FALSE;
4107       break;
4108
4109     case GADGET_ID_RANDOM_PLACEMENT:
4110       RandomPlacement(new_element);
4111       break;
4112
4113     case GADGET_ID_PROPERTIES:
4114       if (edit_mode != ED_MODE_PROPERTIES)
4115       {
4116         properties_element = new_element;
4117         DrawPropertiesWindow();
4118         edit_mode = ED_MODE_PROPERTIES;
4119       }
4120       else
4121       {
4122         DrawDrawingWindow();
4123         edit_mode = ED_MODE_DRAWING;
4124       }
4125       break;
4126
4127     case GADGET_ID_UNDO:
4128       if (undo_buffer_steps == 0)
4129       {
4130         Request("Undo buffer empty !", REQ_CONFIRM);
4131         break;
4132       }
4133
4134       undo_buffer_position =
4135         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
4136       undo_buffer_steps--;
4137
4138       for(x=0; x<lev_fieldx; x++)
4139         for(y=0; y<lev_fieldy; y++)
4140           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
4141       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
4142       break;
4143
4144     case GADGET_ID_INFO:
4145       if (edit_mode != ED_MODE_INFO)
4146       {
4147         DrawLevelInfoWindow();
4148         edit_mode = ED_MODE_INFO;
4149       }
4150       else
4151       {
4152         DrawDrawingWindow();
4153         edit_mode = ED_MODE_DRAWING;
4154       }
4155       break;
4156
4157     case GADGET_ID_CLEAR:
4158       for(x=0; x<MAX_LEV_FIELDX; x++)
4159         for(y=0; y<MAX_LEV_FIELDY; y++)
4160           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
4161       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
4162
4163       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4164       break;
4165
4166     case GADGET_ID_SAVE:
4167       if (leveldir_current->readonly)
4168       {
4169         Request("This level is read only !", REQ_CONFIRM);
4170         break;
4171       }
4172
4173       if (!LevelContainsPlayer)
4174         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
4175       else
4176       {
4177         if (Request("Save this level and kill the old ?", REQ_ASK))
4178         {
4179           for(x=0; x<lev_fieldx; x++)
4180             for(y=0; y<lev_fieldy; y++)
4181               Ur[x][y] = Feld[x][y];
4182           SaveLevel(level_nr);
4183         }
4184       }
4185       break;
4186
4187     case GADGET_ID_TEST:
4188       if (!LevelContainsPlayer)
4189         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
4190       else
4191       {
4192         if (LevelChanged())
4193           level.game_version = GAME_VERSION_ACTUAL;
4194
4195         for(x=0; x<lev_fieldx; x++)
4196           for(y=0; y<lev_fieldy; y++)
4197             FieldBackup[x][y] = Ur[x][y];
4198
4199         for(x=0; x<lev_fieldx; x++)
4200           for(y=0; y<lev_fieldy; y++)
4201             Ur[x][y] = Feld[x][y];
4202
4203         UnmapLevelEditorGadgets();
4204         UndrawSpecialEditorDoor();
4205
4206         CloseDoor(DOOR_CLOSE_ALL);
4207
4208         DrawCompleteVideoDisplay();
4209
4210         if (setup.autorecord)
4211           TapeStartRecording();
4212
4213         level_editor_test_game = TRUE;
4214         game_status = PLAYING;
4215
4216         InitGame();
4217       }
4218       break;
4219
4220     case GADGET_ID_EXIT:
4221       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
4222       break;
4223
4224     default:
4225       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
4226           id <= GADGET_ID_ELEMENTLIST_LAST)
4227       {
4228         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
4229         int new_element = editor_elements[element_position + element_shift];
4230
4231         PickDrawingElement(button, new_element);
4232
4233         if (!HAS_CONTENT(properties_element) ||
4234             !stick_element_properties_window)
4235         {
4236           properties_element = new_element;
4237           if (edit_mode == ED_MODE_PROPERTIES)
4238             DrawPropertiesWindow();
4239         }
4240
4241         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4242           ClickOnGadget(level_editor_gadget[last_drawing_function],
4243                         MB_LEFTBUTTON);
4244       }
4245 #ifdef DEBUG
4246       else if (gi->event.type == GD_EVENT_PRESSED)
4247         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
4248       else if (gi->event.type == GD_EVENT_RELEASED)
4249         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
4250       else if (gi->event.type == GD_EVENT_MOVING)
4251         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
4252       else
4253         printf("default: HandleControlButtons: ? (id == %d)\n", id);
4254 #endif
4255       break;
4256   }
4257 }
4258
4259 void HandleLevelEditorKeyInput(Key key)
4260 {
4261   char letter = getCharFromKey(key);
4262   int button = MB_LEFTBUTTON;
4263
4264   if (drawing_function == GADGET_ID_TEXT &&
4265       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
4266   {
4267     if (letter)
4268       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
4269     else if (key == KSYM_Delete || key == KSYM_BackSpace)
4270       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
4271     else if (key == KSYM_Return)
4272       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
4273     else if (key == KSYM_Escape)
4274       DrawLevelText(0, 0, 0, TEXT_END);
4275   }
4276   else if (button_status == MB_RELEASED)
4277   {
4278     int i, id = GADGET_ID_NONE;
4279
4280     switch (key)
4281     {
4282       case KSYM_Left:
4283         id = GADGET_ID_SCROLL_LEFT;
4284         break;
4285       case KSYM_Right:
4286         id = GADGET_ID_SCROLL_RIGHT;
4287         break;
4288       case KSYM_Up:
4289         id = GADGET_ID_SCROLL_UP;
4290         break;
4291       case KSYM_Down:
4292         id = GADGET_ID_SCROLL_DOWN;
4293         break;
4294       case KSYM_Page_Up:
4295         id = GADGET_ID_SCROLL_LIST_UP;
4296         button = MB_RIGHTBUTTON;
4297         break;
4298       case KSYM_Page_Down:
4299         id = GADGET_ID_SCROLL_LIST_DOWN;
4300         button = MB_RIGHTBUTTON;
4301         break;
4302
4303       case KSYM_Escape:
4304         if (edit_mode == ED_MODE_DRAWING)
4305         {
4306           RequestExitLevelEditor(setup.ask_on_escape);
4307         }
4308         else
4309         {
4310           DrawDrawingWindow();
4311           edit_mode = ED_MODE_DRAWING;
4312         }
4313         break;
4314
4315       default:
4316         break;
4317     }
4318
4319     if (id != GADGET_ID_NONE)
4320       ClickOnGadget(level_editor_gadget[id], button);
4321     else if (letter == '.')
4322       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
4323     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
4324       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
4325     else
4326       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
4327         if (letter && letter == control_info[i].shortcut)
4328           if (!anyTextGadgetActive())
4329             ClickOnGadget(level_editor_gadget[i], button);
4330   }
4331 }
4332
4333 void HandleLevelEditorIdle()
4334 {
4335   static unsigned long action_delay = 0;
4336   unsigned long action_delay_value = GameFrameDelay;
4337   int xpos = 1, ypos = 2;
4338
4339   if (edit_mode != ED_MODE_PROPERTIES)
4340     return;
4341
4342   if (!DelayReached(&action_delay, action_delay_value))
4343     return;
4344
4345 #if 1
4346
4347   DrawGraphicAnimationExt(drawto,
4348                           SX + xpos * TILEX,
4349                           SY + ypos * TILEY + MINI_TILEY / 2,
4350                           el2img(properties_element), NO_MASKING);
4351
4352 #else
4353   DrawGraphicAnimationExt(drawto,
4354                           SX + xpos * TILEX,
4355                           SY + ypos * TILEY + MINI_TILEY / 2,
4356                           el_dir_act2img(properties_element,
4357                                          MV_NO_MOVING,
4358                                          ...));
4359 #endif
4360
4361   MarkTileDirty(xpos, ypos);
4362   MarkTileDirty(xpos, ypos + 1);
4363
4364   FrameCounter++;       /* increase animation frame counter */
4365 }
4366
4367 void ClearEditorGadgetInfoText()
4368 {
4369   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
4370 }
4371
4372 void HandleEditorGadgetInfoText(void *ptr)
4373 {
4374   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
4375   char infotext[MAX_INFOTEXT_LEN + 1];
4376   char shortcut[MAX_INFOTEXT_LEN + 1];
4377
4378   if (game_status != LEVELED)
4379     return;
4380
4381   ClearEditorGadgetInfoText();
4382
4383   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4384     return;
4385
4386   /* misuse this function to delete brush cursor, if needed */
4387   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
4388     DeleteBrushFromCursor();
4389
4390   if (gi == NULL || gi->info_text == NULL)
4391     return;
4392
4393   strncpy(infotext, gi->info_text, MAX_INFOTEXT_LEN);
4394   infotext[MAX_INFOTEXT_LEN] = '\0';
4395
4396   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
4397   {
4398     int key = control_info[gi->custom_id].shortcut;
4399
4400     if (key)
4401     {
4402       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
4403         sprintf(shortcut, " ('.' or '%c')", key);
4404       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
4405         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
4406       else                                              /* normal case */
4407         sprintf(shortcut, " ('%s%c')",
4408                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
4409
4410       if (strlen(infotext) + strlen(shortcut) <= MAX_INFOTEXT_LEN)
4411         strcat(infotext, shortcut);
4412     }
4413   }
4414
4415   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FS_SMALL, FC_YELLOW);
4416 }
4417
4418 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
4419 {
4420   static int start_lx, start_ly;
4421   char *infotext;
4422   int id = gi->custom_id;
4423   int sx = gi->event.x;
4424   int sy = gi->event.y;
4425   int lx = sx + level_xpos;
4426   int ly = sy + level_ypos;
4427   int min_sx = 0, min_sy = 0;
4428   int max_sx = gi->drawing.area_xsize - 1;
4429   int max_sy = gi->drawing.area_ysize - 1;
4430
4431   ClearEditorGadgetInfoText();
4432
4433   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4434     return;
4435
4436   /* make sure to stay inside drawing area boundaries */
4437   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
4438   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
4439
4440   if (id == GADGET_ID_DRAWING_LEVEL)
4441   {
4442     if (button_status)
4443     {
4444       int min_lx = 0, min_ly = 0;
4445       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
4446
4447       /* get positions inside level field */
4448       lx = sx + level_xpos;
4449       ly = sy + level_ypos;
4450
4451       /* make sure to stay inside level field boundaries */
4452       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
4453       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
4454
4455       /* correct drawing area positions accordingly */
4456       sx = lx - level_xpos;
4457       sy = ly - level_ypos;
4458     }
4459
4460     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
4461     {
4462       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
4463       {
4464         if (gi->event.type == GD_EVENT_PRESSED)
4465         {
4466           start_lx = lx;
4467           start_ly = ly;
4468         }
4469
4470         switch (drawing_function)
4471         {
4472           case GADGET_ID_SINGLE_ITEMS:
4473             infotext = "Drawing single items";
4474             break;
4475           case GADGET_ID_CONNECTED_ITEMS:
4476             infotext = "Drawing connected items";
4477             break;
4478           case GADGET_ID_LINE:
4479             infotext = "Drawing line";
4480             break;
4481           case GADGET_ID_ARC:
4482             infotext = "Drawing arc";
4483             break;
4484           case GADGET_ID_TEXT:
4485             infotext = "Setting text cursor";
4486             break;
4487           case GADGET_ID_RECTANGLE:
4488             infotext = "Drawing rectangle";
4489             break;
4490           case GADGET_ID_FILLED_BOX:
4491             infotext = "Drawing filled box";
4492             break;
4493           case GADGET_ID_FLOOD_FILL:
4494             infotext = "Flood fill";
4495             break;
4496           case GADGET_ID_GRAB_BRUSH:
4497             infotext = "Grabbing brush";
4498             break;
4499           case GADGET_ID_PICK_ELEMENT:
4500             infotext = "Picking element";
4501             break;
4502
4503           default:
4504             infotext = "Drawing position";
4505             break;
4506         }
4507
4508         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4509           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4510                     "%s: %d, %d", infotext, lx, ly);
4511         else
4512           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4513                     "%s: %d, %d", infotext,
4514                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
4515       }
4516       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
4517         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4518                   "%s", getElementInfoText(Feld[lx][ly]));
4519       else
4520         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4521                   "Level position: %d, %d", lx, ly);
4522     }
4523
4524     /* misuse this function to draw brush cursor, if needed */
4525     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
4526     {
4527       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4528         CopyBrushToCursor(sx, sy);
4529       else
4530         DeleteBrushFromCursor();
4531     }
4532   }
4533   else if (id == GADGET_ID_AMOEBA_CONTENT)
4534     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4535               "Amoeba content");
4536   else if (id == GADGET_ID_RANDOM_BACKGROUND)
4537     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4538               "Random placement background");
4539   else
4540     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4541               "Content area %d position: %d, %d",
4542               id - GADGET_ID_ELEM_CONTENT_0 + 1, sx, sy);
4543 }
4544
4545 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
4546 {
4547   if (!ask_if_level_has_changed ||
4548       !LevelChanged() ||
4549       Request("Level has changed! Exit without saving ?",
4550               REQ_ASK | REQ_STAY_OPEN))
4551   {
4552     CloseDoor(DOOR_CLOSE_1);
4553     /*
4554     CloseDoor(DOOR_CLOSE_ALL);
4555     */
4556     game_status = MAINMENU;
4557     DrawMainMenu();
4558   }
4559   else
4560   {
4561     CloseDoor(DOOR_CLOSE_1);
4562     BlitBitmap(bitmap_db_door, bitmap_db_door,
4563                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
4564                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
4565     OpenDoor(DOOR_OPEN_1);
4566   }
4567 }