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   ClearWindow();
2654   UnmapLevelEditorWindowGadgets();
2655   AdjustDrawingAreaGadgets();
2656   AdjustLevelScrollPosition();
2657   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
2658   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
2659   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
2660   MapMainDrawingArea();
2661 }
2662
2663 static void DrawRandomPlacementBackgroundArea()
2664 {
2665   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
2666   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
2667   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
2668   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
2669   int x, y;
2670
2671   ElementContent[0][0][0] = random_placement_background_element;
2672
2673   /* draw decorative border for the object */
2674   for (y=0; y<2; y++)
2675     for (x=0; x<2; x++)
2676       DrawMiniElement(area_x + x, area_y + y, EL_SAND);
2677
2678   ClearRectangle(drawto,
2679                  area_sx + MINI_TILEX/2 - 1, area_sy + MINI_TILEY/2 - 1,
2680                  MINI_TILEX + 2, MINI_TILEY + 2);
2681
2682   /* copy border to the right location */
2683   BlitBitmap(drawto, drawto,
2684              area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY,
2685              area_sx - MINI_TILEX/2, area_sy - MINI_TILEY/2);
2686
2687   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
2688
2689   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
2690 }
2691
2692 static void DrawLevelInfoWindow()
2693 {
2694   char infotext[1024];
2695   int xoffset_above = 0;
2696   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
2697   int xoffset_right = counter_xsize;
2698   int yoffset_right = ED_BORDER_SIZE;
2699   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
2700   int yoffset_right2 = ED_BORDER_SIZE;
2701   int font_color = FC_GREEN;
2702   int i, x, y;
2703
2704   ClearWindow();
2705   UnmapLevelEditorWindowGadgets();
2706
2707   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
2708            "Level Settings", FS_BIG, FC_YELLOW);
2709   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
2710            "Editor Settings", FS_BIG, FC_YELLOW);
2711
2712   /* draw counter gadgets */
2713   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
2714   {
2715     if (counterbutton_info[i].infotext_above)
2716     {
2717       x = counterbutton_info[i].x + xoffset_above;
2718       y = counterbutton_info[i].y + yoffset_above;
2719
2720       sprintf(infotext, "%s:", counterbutton_info[i].infotext_above);
2721       infotext[MAX_INFOTEXT_LEN] = '\0';
2722       DrawTextF(x, y, font_color, infotext);
2723     }
2724
2725     if (counterbutton_info[i].infotext_right)
2726     {
2727       x = counterbutton_info[i].x + xoffset_right;
2728       y = counterbutton_info[i].y + yoffset_right;
2729
2730       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
2731       infotext[MAX_INFOTEXT_LEN] = '\0';
2732       DrawTextF(x, y, font_color, infotext);
2733     }
2734
2735     ModifyEditorCounter(i, *counterbutton_info[i].value);
2736     MapCounterButtons(i);
2737   }
2738
2739   /* draw text input gadgets */
2740   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
2741   {
2742     x = textinput_info[i].x + xoffset_above;
2743     y = textinput_info[i].y + yoffset_above;
2744
2745     sprintf(infotext, "%s:", textinput_info[i].infotext);
2746     infotext[MAX_INFOTEXT_LEN] = '\0';
2747
2748     DrawTextF(x, y, font_color, infotext);
2749     ModifyEditorTextInput(i, textinput_info[i].value);
2750     MapTextInputGadget(i);
2751   }
2752
2753   /* draw radiobutton gadgets */
2754   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
2755   {
2756     boolean checked =
2757       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2758
2759     x = radiobutton_info[i].x + xoffset_right2;
2760     y = radiobutton_info[i].y + yoffset_right2;
2761
2762     DrawTextF(x, y, font_color, radiobutton_info[i].text);
2763     ModifyGadget(level_editor_gadget[radiobutton_info[i].gadget_id],
2764                  GDI_CHECKED, checked, GDI_END);
2765     MapRadiobuttonGadget(i);
2766   }
2767
2768   /* draw checkbutton gadgets */
2769   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
2770   {
2771     x = checkbutton_info[i].x + xoffset_right2;
2772     y = checkbutton_info[i].y + yoffset_right2;
2773
2774     DrawTextF(x, y, font_color, checkbutton_info[i].text);
2775     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
2776                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
2777     MapCheckbuttonGadget(i);
2778   }
2779
2780   /* draw drawing area */
2781   DrawRandomPlacementBackgroundArea();
2782 }
2783
2784 static void DrawAmoebaContentArea()
2785 {
2786   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
2787   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
2788   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
2789   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
2790   int font_color = FC_GREEN;
2791   int x, y;
2792
2793   ElementContent[0][0][0] = level.amoeba_content;
2794
2795   /* draw decorative border for the object */
2796   for (y=0; y<2; y++)
2797     for (x=0; x<2; x++)
2798       DrawMiniElement(area_x + x, area_y + y, EL_SAND);
2799
2800   ClearRectangle(drawto,
2801                  area_sx + MINI_TILEX/2 - 1, area_sy + MINI_TILEY/2 - 1,
2802                  MINI_TILEX + 2, MINI_TILEY + 2);
2803
2804   /* copy border to the right location */
2805   BlitBitmap(drawto, drawto,
2806              area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY,
2807              area_sx - MINI_TILEX/2, area_sy - MINI_TILEY/2);
2808
2809   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba",
2810            FS_SMALL, font_color);
2811
2812   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
2813
2814   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
2815 }
2816
2817 static void DrawElementContentAreas()
2818 {
2819   int counter_id = ED_COUNTER_ID_ELEM_CONTENT;
2820   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
2821   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
2822   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
2823   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
2824   int xoffset_right = counter_xsize;
2825   int yoffset_right = ED_BORDER_SIZE;
2826   int font_color = FC_GREEN;
2827   int i, x, y;
2828
2829   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2830     for (y=0; y<3; y++)
2831       for (x=0; x<3; x++)
2832         ElementContent[i][x][y] = level.yam_content[i][x][y];
2833
2834   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2835     UnmapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
2836
2837   /* display counter to choose number of element content areas */
2838   x = counterbutton_info[counter_id].x + xoffset_right;
2839   y = counterbutton_info[counter_id].y + yoffset_right;
2840   DrawTextF(x, y, font_color, "number of content areas");
2841
2842   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2843   MapCounterButtons(counter_id);
2844
2845   /* delete content areas in case of reducing number of them */
2846   ClearRectangle(backbuffer,
2847                  SX, area_sy - MINI_TILEX,
2848                  SXSIZE, 12 * MINI_TILEY);
2849
2850   /* draw some decorative border for the objects */
2851   for (i=0; i<level.num_yam_contents; i++)
2852   {
2853     for (y=0; y<4; y++)
2854       for (x=0; x<4; x++)
2855         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
2856                         EL_SAND);
2857
2858     ClearRectangle(drawto,
2859                    area_sx + 5 * (i % 4) * MINI_TILEX + MINI_TILEX/2 - 1,
2860                    area_sy + 6 * (i / 4) * MINI_TILEY + MINI_TILEY/2 - 1,
2861                    3 * MINI_TILEX + 2, 3 * MINI_TILEY + 2);
2862   }
2863
2864   /* copy border to the right location */
2865   BlitBitmap(drawto, drawto,
2866              area_sx, area_sy, (5 * 4 + 1) * MINI_TILEX, 11 * MINI_TILEY,
2867              area_sx - MINI_TILEX/2, area_sy - MINI_TILEY/2);
2868
2869   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
2870            "Content", FS_SMALL, font_color);
2871   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
2872            "when", FS_SMALL, font_color);
2873   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
2874            "smashed", FS_SMALL, font_color);
2875
2876   for (i=0; i<level.num_yam_contents; i++)
2877   {
2878     for (y=0; y<3; y++)
2879       for (x=0; x<3; x++)
2880         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
2881                         ElementContent[i][x][y]);
2882
2883     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
2884               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
2885               font_color, "%d", i + 1);
2886   }
2887
2888   for (i=0; i<level.num_yam_contents; i++)
2889     MapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
2890 }
2891
2892 #if 0
2893 static void DrawPropertiesElement(int xstart, int ystart, int element)
2894 {
2895   int x, y;
2896
2897   /* draw some decorative border for the object */
2898   for (y=0; y<3; y++)
2899     for (x=0; x<3; x++)
2900       DrawMiniElement(xstart + x , ystart + y, EL_SAND);
2901
2902   ClearRectangle(drawto,
2903                  SX + xstart * MINI_TILEX + MINI_TILEX/2 - 1,
2904                  SY + ystart * MINI_TILEY + MINI_TILEY/2 - 1,
2905                  TILEX + 2, TILEY + 2);
2906
2907   /* copy border to the right location */
2908   BlitBitmap(drawto, drawto,
2909              SX + xstart * MINI_TILEX,
2910              SY + ystart * MINI_TILEY,
2911              2 * TILEX, 2 * TILEY,
2912              SX + xstart * MINI_TILEX - MINI_TILEX/2,
2913              SY + ystart * MINI_TILEY - MINI_TILEY/2);
2914
2915   DrawGraphicAnimation(xstart / 2, ystart / 2, el2img(element));
2916
2917   /* copy the whole stuff to the definitive location */
2918   BlitBitmap(drawto, drawto,
2919              SX + xstart * MINI_TILEX - MINI_TILEX/2,
2920              SY + ystart * MINI_TILEY - MINI_TILEY,
2921              2 * TILEX, 2 * TILEY,
2922              SX + xstart * MINI_TILEX - MINI_TILEX/2,
2923              SY + ystart * MINI_TILEY - MINI_TILEY/2);
2924
2925   FrameCounter++;       /* increase animation frame counter */
2926 }
2927 #endif
2928
2929 #define TEXT_COLLECTING         "Score for collecting"
2930 #define TEXT_SMASHING           "Score for smashing"
2931 #define TEXT_CRACKING           "Score for cracking"
2932 #define TEXT_SPEED              "Speed of amoeba growth"
2933 #define TEXT_DURATION           "Duration when activated"
2934
2935 static void DrawPropertiesWindow()
2936 {
2937   int counter_id = ED_COUNTER_ID_ELEM_SCORE;
2938   int num_elements_in_level;
2939   float percentage;
2940   int xoffset_right = counter_xsize;
2941   int yoffset_right = ED_BORDER_SIZE;
2942   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
2943   int yoffset_right2 = ED_BORDER_SIZE;
2944   int xstart = 2;
2945   int ystart = 4;
2946   int font_color = FC_GREEN;
2947   int i, x, y;
2948   static struct
2949   {
2950     int element;
2951     int *value;
2952     char *text;
2953   } elements_with_counter[] =
2954   {
2955     { EL_EMERALD,       &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2956     { EL_BD_DIAMOND,    &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2957     { EL_EMERALD_YELLOW,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2958     { EL_EMERALD_RED,   &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2959     { EL_EMERALD_PURPLE,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
2960     { EL_DIAMOND,       &level.score[SC_DIAMANT],       TEXT_COLLECTING },
2961     { EL_BUG_RIGHT,     &level.score[SC_KAEFER],        TEXT_SMASHING },
2962     { EL_BUG_UP,        &level.score[SC_KAEFER],        TEXT_SMASHING },
2963     { EL_BUG_LEFT,      &level.score[SC_KAEFER],        TEXT_SMASHING },
2964     { EL_BUG_DOWN,      &level.score[SC_KAEFER],        TEXT_SMASHING },
2965     { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_KAEFER],    TEXT_SMASHING },
2966     { EL_BD_BUTTERFLY_UP,   &level.score[SC_KAEFER],    TEXT_SMASHING },
2967     { EL_BD_BUTTERFLY_LEFT, &level.score[SC_KAEFER],    TEXT_SMASHING },
2968     { EL_BD_BUTTERFLY_DOWN, &level.score[SC_KAEFER],    TEXT_SMASHING },
2969     { EL_SPACESHIP_RIGHT,&level.score[SC_FLIEGER],      TEXT_SMASHING },
2970     { EL_SPACESHIP_UP,   &level.score[SC_FLIEGER],      TEXT_SMASHING },
2971     { EL_SPACESHIP_LEFT, &level.score[SC_FLIEGER],      TEXT_SMASHING },
2972     { EL_SPACESHIP_DOWN, &level.score[SC_FLIEGER],      TEXT_SMASHING },
2973     { EL_BD_FIREFLY_RIGHT,&level.score[SC_FLIEGER],     TEXT_SMASHING },
2974     { EL_BD_FIREFLY_UP,   &level.score[SC_FLIEGER],     TEXT_SMASHING },
2975     { EL_BD_FIREFLY_LEFT, &level.score[SC_FLIEGER],     TEXT_SMASHING },
2976     { EL_BD_FIREFLY_DOWN, &level.score[SC_FLIEGER],     TEXT_SMASHING },
2977     { EL_YAMYAM,        &level.score[SC_MAMPFER],       TEXT_SMASHING },
2978     { EL_DARK_YAMYAM,   &level.score[SC_MAMPFER],       TEXT_SMASHING },
2979     { EL_ROBOT,         &level.score[SC_ROBOT],         TEXT_SMASHING },
2980     { EL_PACMAN_RIGHT,  &level.score[SC_PACMAN],        TEXT_SMASHING },
2981     { EL_PACMAN_UP,     &level.score[SC_PACMAN],        TEXT_SMASHING },
2982     { EL_PACMAN_LEFT,   &level.score[SC_PACMAN],        TEXT_SMASHING },
2983     { EL_PACMAN_DOWN,   &level.score[SC_PACMAN],        TEXT_SMASHING },
2984     { EL_NUT,           &level.score[SC_KOKOSNUSS],     TEXT_CRACKING },
2985     { EL_DYNAMITE       ,&level.score[SC_DYNAMIT],      TEXT_COLLECTING },
2986     { EL_KEY1,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2987     { EL_KEY2,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2988     { EL_KEY3,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2989     { EL_KEY4,          &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2990     { EL_EM_KEY1_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2991     { EL_EM_KEY2_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2992     { EL_EM_KEY3_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2993     { EL_EM_KEY4_FILE,  &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
2994     { EL_AMOEBA_WET,    &level.amoeba_speed,            TEXT_SPEED },
2995     { EL_AMOEBA_DRY,    &level.amoeba_speed,            TEXT_SPEED },
2996     { EL_AMOEBA_FULL,   &level.amoeba_speed,            TEXT_SPEED },
2997     { EL_BD_AMOEBA,     &level.amoeba_speed,            TEXT_SPEED },
2998     { EL_MAGIC_WALL,    &level.time_magic_wall,         TEXT_DURATION },
2999     { EL_ROBOT_WHEEL,   &level.time_wheel,              TEXT_DURATION },
3000     { -1, NULL, NULL }
3001   };
3002
3003   ClearWindow();
3004   UnmapLevelEditorWindowGadgets();
3005
3006   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
3007            "Element Settings", FS_BIG, FC_YELLOW);
3008
3009 #if 1
3010   /* draw some decorative border for the object */
3011   for (y=0; y<3; y++)
3012     for (x=0; x<3; x++)
3013       DrawMiniElement(xstart + x , ystart + y, EL_SAND);
3014
3015   ClearRectangle(drawto,
3016                  SX + xstart * MINI_TILEX + MINI_TILEX/2 - 1,
3017                  SY + ystart * MINI_TILEY + MINI_TILEY/2 - 1,
3018                  TILEX + 2, TILEY + 2);
3019
3020   /* copy border to the right location */
3021   BlitBitmap(drawto, drawto,
3022              SX + xstart * MINI_TILEX,
3023              SY + ystart * MINI_TILEY,
3024              2 * TILEX, 2 * TILEY,
3025              SX + xstart * MINI_TILEX - MINI_TILEX/2,
3026              SY + ystart * MINI_TILEY - MINI_TILEY/2);
3027
3028 #if 0
3029   DrawGraphic(xstart / 2, ystart / 2, el2img(properties_element), 0);
3030 #else
3031   DrawGraphicAnimation(xstart / 2, ystart / 2, el2img(properties_element));
3032 #endif
3033
3034   /* copy the whole stuff to the definitive location */
3035   BlitBitmap(drawto, drawto,
3036              SX + xstart * MINI_TILEX - MINI_TILEX/2,
3037              SY + ystart * MINI_TILEY - MINI_TILEY,
3038              2 * TILEX, 2 * TILEY,
3039              SX + xstart * MINI_TILEX - MINI_TILEX/2,
3040              SY + ystart * MINI_TILEY - MINI_TILEY/2);
3041
3042   FrameCounter = 0;     /* restart animation frame counter */
3043
3044 #else
3045
3046   FrameCounter = 0;     /* restart animation frame counter */
3047   DrawPropertiesElement(xstart, ystart, properties_element);
3048
3049 #endif
3050
3051   DrawTextF((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
3052             font_color, getElementInfoText(properties_element));
3053
3054   num_elements_in_level = 0;
3055   for (y=0; y<lev_fieldy; y++)
3056     for (x=0; x<lev_fieldx; x++)
3057       if (Feld[x][y] == properties_element)
3058         num_elements_in_level++;
3059   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
3060
3061   DrawTextF(ED_SETTINGS_XPOS, 5 * TILEY, font_color, "In this level:");
3062   DrawTextF(ED_SETTINGS_XPOS + 15 * FONT2_XSIZE, 5 * TILEY, FC_YELLOW,
3063             "%d (%.2f%%)", num_elements_in_level, percentage);
3064
3065   /* check if there are elements where a score can be chosen for */
3066   for (i=0; elements_with_counter[i].element != -1; i++)
3067   {
3068     if (elements_with_counter[i].element == properties_element)
3069     {
3070       int x = counterbutton_info[counter_id].x + xoffset_right;
3071       int y = counterbutton_info[counter_id].y + yoffset_right;
3072
3073       counterbutton_info[counter_id].value = elements_with_counter[i].value;
3074       DrawTextF(x, y, font_color, elements_with_counter[i].text);
3075
3076       ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
3077       MapCounterButtons(counter_id);
3078       break;
3079     }
3080   }
3081
3082   if (HAS_CONTENT(properties_element))
3083   {
3084     /* draw stickybutton gadget */
3085     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
3086     x = checkbutton_info[i].x + xoffset_right2;
3087     y = checkbutton_info[i].y + yoffset_right2;
3088
3089     DrawTextF(x, y, font_color, checkbutton_info[i].text);
3090     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3091                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3092     MapCheckbuttonGadget(i);
3093
3094     if (IS_AMOEBOID(properties_element))
3095       DrawAmoebaContentArea();
3096     else
3097       DrawElementContentAreas();
3098   }
3099
3100   if (IS_GEM(properties_element))
3101   {
3102     /* draw checkbutton gadget */
3103     i = ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS;
3104     x = checkbutton_info[i].x + xoffset_right2;
3105     y = checkbutton_info[i].y + yoffset_right2;
3106
3107     DrawTextF(x, y, font_color, checkbutton_info[i].text);
3108     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3109                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3110     MapCheckbuttonGadget(i);
3111   }
3112 }
3113
3114 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
3115 {
3116   int lx = sx + level_xpos;
3117   int ly = sy + level_ypos;
3118
3119   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
3120
3121   if (change_level)
3122     Feld[lx][ly] = element;
3123 }
3124
3125 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
3126                      int element, boolean change_level)
3127 {
3128   if (from_y == to_y)                   /* horizontal line */
3129   {
3130     int x;
3131     int y = from_y;
3132
3133     if (from_x > to_x)
3134       swap_numbers(&from_x, &to_x);
3135
3136     for (x=from_x; x<=to_x; x++)
3137       DrawLineElement(x, y, element, change_level);
3138   }
3139   else if (from_x == to_x)              /* vertical line */
3140   {
3141     int x = from_x;
3142     int y;
3143
3144     if (from_y > to_y)
3145       swap_numbers(&from_y, &to_y);
3146
3147     for (y=from_y; y<=to_y; y++)
3148       DrawLineElement(x, y, element, change_level);
3149   }
3150   else                                  /* diagonal line */
3151   {
3152     int len_x = ABS(to_x - from_x);
3153     int len_y = ABS(to_y - from_y);
3154     int x, y;
3155
3156     if (len_y < len_x)                  /* a < 1 */
3157     {
3158       float a = (float)len_y / (float)len_x;
3159
3160       if (from_x > to_x)
3161         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3162
3163       for (x=0; x<=len_x; x++)
3164       {
3165         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
3166         DrawLineElement(from_x + x, from_y + y, element, change_level);
3167       }
3168     }
3169     else                                /* a >= 1 */
3170     {
3171       float a = (float)len_x / (float)len_y;
3172
3173       if (from_y > to_y)
3174         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3175
3176       for (y=0; y<=len_y; y++)
3177       {
3178         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
3179         DrawLineElement(from_x + x, from_y + y, element, change_level);
3180       }
3181     }
3182   }
3183 }
3184
3185 static void DrawRectangle(int from_x, int from_y, int to_x, int to_y,
3186                           int element, boolean change_level)
3187 {
3188   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
3189   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
3190   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
3191   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
3192 }
3193
3194 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
3195                           int element, boolean change_level)
3196 {
3197   int y;
3198
3199   if (from_y > to_y)
3200     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3201
3202   for (y=from_y; y<=to_y; y++)
3203     DrawLine(from_x, y, to_x, y, element, change_level);
3204 }
3205
3206 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
3207                        int element, boolean change_level)
3208 {
3209   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
3210   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
3211   int len_x = ABS(to_x - from_x);
3212   int len_y = ABS(to_y - from_y);
3213   int radius, x, y;
3214
3215   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
3216
3217   /* not optimal (some points get drawn twice) but simple,
3218      and fast enough for the few points we are drawing */
3219
3220   for (x=0; x<=radius; x++)
3221   {
3222     int sx, sy, lx, ly;
3223
3224     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
3225
3226     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
3227     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
3228     lx = sx + level_xpos;
3229     ly = sy + level_ypos;
3230
3231     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3232       DrawLineElement(sx, sy, element, change_level);
3233   }
3234
3235   for (y=0; y<=radius; y++)
3236   {
3237     int sx, sy, lx, ly;
3238
3239     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
3240
3241     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
3242     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
3243     lx = sx + level_xpos;
3244     ly = sy + level_ypos;
3245
3246     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3247       DrawLineElement(sx, sy, element, change_level);
3248   }
3249 }
3250
3251 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
3252                     int element, boolean change_level)
3253 {
3254   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
3255   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
3256
3257   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
3258 }
3259
3260 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
3261 #if DRAW_CIRCLES_BUTTON_AVAILABLE
3262 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
3263                        int element, boolean change_level)
3264 {
3265   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
3266   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
3267   int mirror_to_x2 = from_x - (to_x2 - from_x);
3268   int mirror_to_y2 = from_y - (to_y2 - from_y);
3269
3270   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
3271   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
3272   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
3273   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
3274 }
3275 #endif
3276
3277 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
3278 {
3279   int from_sx, from_sy;
3280   int to_sx, to_sy;
3281
3282   if (from_x > to_x)
3283     swap_numbers(&from_x, &to_x);
3284
3285   if (from_y > to_y)
3286     swap_numbers(&from_y, &to_y);
3287
3288   from_sx = SX + from_x * MINI_TILEX;
3289   from_sy = SY + from_y * MINI_TILEY;
3290   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
3291   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
3292
3293   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
3294   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
3295   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
3296   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
3297
3298   if (from_x == to_x && from_y == to_y)
3299     MarkTileDirty(from_x/2, from_y/2);
3300   else
3301     redraw_mask |= REDRAW_FIELD;
3302 }
3303
3304 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
3305                        int element, boolean change_level)
3306 {
3307   if (element == -1 || change_level)
3308     DrawRectangle(from_x, from_y, to_x, to_y, -1, FALSE);
3309   else
3310     DrawAreaBorder(from_x, from_y, to_x, to_y);
3311 }
3312
3313 /* values for CopyBrushExt() */
3314 #define CB_AREA_TO_BRUSH        0
3315 #define CB_BRUSH_TO_CURSOR      1
3316 #define CB_BRUSH_TO_LEVEL       2
3317 #define CB_DELETE_OLD_CURSOR    3
3318
3319 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
3320                          int button, int mode)
3321 {
3322   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
3323   static int brush_width, brush_height;
3324   static int last_cursor_x = -1, last_cursor_y = -1;
3325   static boolean delete_old_brush;
3326   int new_element = BUTTON_ELEMENT(button);
3327   int x, y;
3328
3329   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
3330     return;
3331
3332   if (mode == CB_AREA_TO_BRUSH)
3333   {
3334     int from_lx, from_ly;
3335
3336     if (from_x > to_x)
3337       swap_numbers(&from_x, &to_x);
3338
3339     if (from_y > to_y)
3340       swap_numbers(&from_y, &to_y);
3341
3342     brush_width = to_x - from_x + 1;
3343     brush_height = to_y - from_y + 1;
3344
3345     from_lx = from_x + level_xpos;
3346     from_ly = from_y + level_ypos;
3347
3348     for (y=0; y<brush_height; y++)
3349     {
3350       for (x=0; x<brush_width; x++)
3351       {
3352         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
3353
3354         if (button != 1)
3355           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
3356       }
3357     }
3358
3359     if (button != 1)
3360       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3361
3362     delete_old_brush = FALSE;
3363   }
3364   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
3365            mode == CB_BRUSH_TO_LEVEL)
3366   {
3367     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
3368     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
3369     int cursor_from_x = cursor_x - brush_width / 2;
3370     int cursor_from_y = cursor_y - brush_height / 2;
3371     int border_from_x = cursor_x, border_from_y = cursor_y;
3372     int border_to_x = cursor_x, border_to_y = cursor_y;
3373
3374     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
3375       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3376
3377     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
3378         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
3379     {
3380       delete_old_brush = FALSE;
3381       return;
3382     }
3383
3384     for (y=0; y<brush_height; y++)
3385     {
3386       for (x=0; x<brush_width; x++)
3387       {
3388         int sx = cursor_from_x + x;
3389         int sy = cursor_from_y + y;
3390         int lx = sx + level_xpos;
3391         int ly = sy + level_ypos;
3392         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
3393         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
3394                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
3395                        brush_buffer[x][y] : new_element);
3396
3397         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3398         {
3399           if (sx < border_from_x)
3400             border_from_x = sx;
3401           else if (sx > border_to_x)
3402             border_to_x = sx;
3403           if (sy < border_from_y)
3404             border_from_y = sy;
3405           else if (sy > border_to_y)
3406             border_to_y = sy;
3407
3408           DrawLineElement(sx, sy, element, change_level);
3409         }
3410       }
3411     }
3412
3413     if (mode != CB_DELETE_OLD_CURSOR)
3414       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
3415
3416     last_cursor_x = cursor_x;
3417     last_cursor_y = cursor_y;
3418     delete_old_brush = TRUE;
3419   }
3420 }
3421
3422 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
3423                             int button)
3424 {
3425   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
3426 }
3427
3428 static void CopyBrushToLevel(int x, int y, int button)
3429 {
3430   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
3431 }
3432
3433 static void CopyBrushToCursor(int x, int y)
3434 {
3435   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
3436 }
3437
3438 static void DeleteBrushFromCursor()
3439 {
3440   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3441 }
3442
3443 static void FloodFill(int from_x, int from_y, int fill_element)
3444 {
3445   int i,x,y;
3446   int old_element;
3447   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
3448   static int safety = 0;
3449
3450   /* check if starting field still has the desired content */
3451   if (Feld[from_x][from_y] == fill_element)
3452     return;
3453
3454   safety++;
3455
3456   if (safety > lev_fieldx*lev_fieldy)
3457     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
3458
3459   old_element = Feld[from_x][from_y];
3460   Feld[from_x][from_y] = fill_element;
3461
3462   for(i=0;i<4;i++)
3463   {
3464     x = from_x + check[i][0];
3465     y = from_y + check[i][1];
3466
3467     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
3468       FloodFill(x, y, fill_element);
3469   }
3470
3471   safety--;
3472 }
3473
3474 /* values for DrawLevelText() modes */
3475 #define TEXT_INIT               0
3476 #define TEXT_SETCURSOR          1
3477 #define TEXT_WRITECHAR          2
3478 #define TEXT_BACKSPACE          3
3479 #define TEXT_NEWLINE            4
3480 #define TEXT_END                5
3481 #define TEXT_QUERY_TYPING       6
3482
3483 static int DrawLevelText(int sx, int sy, char letter, int mode)
3484 {
3485   static short delete_buffer[MAX_LEV_FIELDX];
3486   static int start_sx, start_sy;
3487   static int last_sx, last_sy;
3488   static boolean typing = FALSE;
3489   int letter_element = EL_CHAR_ASCII0 + letter;
3490   int lx = 0, ly = 0;
3491
3492   /* map lower case letters to upper case and convert special characters */
3493   if (letter >= 'a' && letter <= 'z')
3494     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
3495   else if (letter == 'ä' || letter == 'Ä')
3496     letter_element = EL_CHAR_AE;
3497   else if (letter == 'ö' || letter == 'Ö')
3498     letter_element = EL_CHAR_OE;
3499   else if (letter == 'ü' || letter == 'Ü')
3500     letter_element = EL_CHAR_UE;
3501   else if (letter == '^')
3502     letter_element = EL_CHAR_COPYRIGHT;
3503   else
3504     letter_element = EL_CHAR_ASCII0 + letter;
3505
3506   if (mode != TEXT_INIT)
3507   {
3508     if (!typing)
3509       return FALSE;
3510
3511     if (mode != TEXT_SETCURSOR)
3512     {
3513       sx = last_sx;
3514       sy = last_sy;
3515     }
3516
3517     lx = last_sx + level_xpos;
3518     ly = last_sy + level_ypos;
3519   }
3520
3521   switch (mode)
3522   {
3523     case TEXT_INIT:
3524       if (typing)
3525         DrawLevelText(0, 0, 0, TEXT_END);
3526
3527       typing = TRUE;
3528       start_sx = last_sx = sx;
3529       start_sy = last_sy = sy;
3530       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
3531       break;
3532
3533     case TEXT_SETCURSOR:
3534       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
3535       DrawAreaBorder(sx, sy, sx, sy);
3536       last_sx = sx;
3537       last_sy = sy;
3538       break;
3539
3540     case TEXT_WRITECHAR:
3541       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
3542       {
3543         delete_buffer[sx - start_sx] = Feld[lx][ly];
3544         Feld[lx][ly] = letter_element;
3545
3546         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
3547           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
3548         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
3549           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3550         else
3551           DrawLevelText(0, 0, 0, TEXT_END);
3552       }
3553       break;
3554
3555     case TEXT_BACKSPACE:
3556       if (sx > start_sx)
3557       {
3558         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
3559         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
3560         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
3561       }
3562       break;
3563
3564     case TEXT_NEWLINE:
3565       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
3566         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3567       else
3568         DrawLevelText(0, 0, 0, TEXT_END);
3569       break;
3570
3571     case TEXT_END:
3572       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3573       DrawMiniElement(sx, sy, Feld[lx][ly]);
3574       typing = FALSE;
3575       break;
3576
3577     case TEXT_QUERY_TYPING:
3578       break;
3579
3580     default:
3581       break;
3582   }
3583
3584   return typing;
3585 }
3586
3587 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
3588                           int element, boolean change_level)
3589 {
3590   int lx = sx + level_xpos;
3591   int ly = sy + level_ypos;
3592
3593   if (element == -1)
3594     DrawMiniElement(sx, sy, Feld[lx][ly]);
3595   else
3596     DrawAreaBorder(sx, sy, sx, sy);
3597 }
3598
3599 static void CopyLevelToUndoBuffer(int mode)
3600 {
3601   static boolean accumulated_undo = FALSE;
3602   boolean new_undo_buffer_position = TRUE;
3603   int last_border_element;
3604   int x, y;
3605
3606   switch (mode)
3607   {
3608     case UNDO_IMMEDIATE:
3609       accumulated_undo = FALSE;
3610       break;
3611
3612     case UNDO_ACCUMULATE:
3613       if (accumulated_undo)
3614         new_undo_buffer_position = FALSE;
3615       accumulated_undo = TRUE;
3616       break;
3617
3618     default:
3619       break;
3620   }
3621
3622   if (new_undo_buffer_position)
3623   {
3624     /* new position in undo buffer ring */
3625     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
3626
3627     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
3628       undo_buffer_steps++;
3629   }
3630
3631   for(x=0; x<lev_fieldx; x++)
3632     for(y=0; y<lev_fieldy; y++)
3633       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
3634
3635   /* check if drawing operation forces change of border style */
3636   last_border_element = BorderElement;
3637   SetBorderElement();
3638   if (BorderElement != last_border_element)
3639     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3640
3641 #if 0
3642 #ifdef DEBUG
3643   printf("level saved to undo buffer\n");
3644 #endif
3645 #endif
3646 }
3647
3648 static void RandomPlacement(int new_element)
3649 {
3650   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3651   int num_free_positions;
3652   int num_percentage;
3653   int num_elements;
3654   int x, y;
3655
3656   /* determine number of free positions for the new elements */
3657   /* (maybe this statement should be formatted a bit more readable...) */
3658   num_free_positions = 0;
3659   for (x=0; x<lev_fieldx; x++)
3660     for (y=0; y<lev_fieldy; y++)
3661       if ((free_position[x][y] =
3662            ((random_placement_background_restricted &&
3663              Feld[x][y] == random_placement_background_element) ||
3664             (!random_placement_background_restricted &&
3665              Feld[x][y] != new_element))) == TRUE)
3666         num_free_positions++;
3667
3668   /* determine number of new elements to place there */
3669   num_percentage = num_free_positions * random_placement_value / 100;
3670   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
3671                   num_percentage : random_placement_value);
3672
3673   /* if not more free positions than elements to place, fill whole level */
3674   if (num_elements >= num_free_positions)
3675   {
3676     for (x=0; x<lev_fieldx; x++)
3677       for (y=0; y<lev_fieldy; y++)
3678         Feld[x][y] = new_element;
3679
3680     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3681     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3682     return;
3683   }
3684
3685   while (num_elements > 0)
3686   {
3687     x = RND(lev_fieldx);
3688     y = RND(lev_fieldy);
3689
3690     /* don't place element at the same position twice */
3691     if (free_position[x][y])
3692     {
3693       free_position[x][y] = FALSE;
3694       Feld[x][y] = new_element;
3695       num_elements--;
3696     }
3697   }
3698
3699   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3700   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3701 }
3702
3703 void WrapLevel(int dx, int dy)
3704 {
3705   int wrap_dx = lev_fieldx - dx;
3706   int wrap_dy = lev_fieldy - dy;
3707   int x, y;
3708
3709   for(x=0; x<lev_fieldx; x++)
3710     for(y=0; y<lev_fieldy; y++)
3711       FieldBackup[x][y] = Feld[x][y];
3712
3713   for(x=0; x<lev_fieldx; x++)
3714     for(y=0; y<lev_fieldy; y++)
3715       Feld[x][y] =
3716         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
3717
3718   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3719   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
3720 }
3721
3722 static void HandleDrawingAreas(struct GadgetInfo *gi)
3723 {
3724   static boolean started_inside_drawing_area = FALSE;
3725   int id = gi->custom_id;
3726   boolean button_press_event;
3727   boolean button_release_event;
3728   boolean inside_drawing_area = !gi->event.off_borders;
3729   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
3730   int actual_drawing_function;
3731   int button = gi->event.button;
3732   int new_element = BUTTON_ELEMENT(button);
3733   int sx = gi->event.x, sy = gi->event.y;
3734   int min_sx = 0, min_sy = 0;
3735   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
3736   int lx = 0, ly = 0;
3737   int min_lx = 0, min_ly = 0;
3738   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
3739   int x, y;
3740
3741   /* handle info callback for each invocation of action callback */
3742   gi->callback_info(gi);
3743
3744   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
3745   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
3746
3747   /* make sure to stay inside drawing area boundaries */
3748   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
3749   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
3750
3751   if (draw_level)
3752   {
3753     /* get positions inside level field */
3754     lx = sx + level_xpos;
3755     ly = sy + level_ypos;
3756
3757     if (!IN_LEV_FIELD(lx, ly))
3758       inside_drawing_area = FALSE;
3759
3760     /* make sure to stay inside level field boundaries */
3761     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
3762     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
3763
3764     /* correct drawing area positions accordingly */
3765     sx = lx - level_xpos;
3766     sy = ly - level_ypos;
3767   }
3768
3769   if (button_press_event)
3770     started_inside_drawing_area = inside_drawing_area;
3771
3772   if (!started_inside_drawing_area)
3773     return;
3774
3775   if (!button && !button_release_event)
3776     return;
3777
3778   /* automatically switch to 'single item' drawing mode, if needed */
3779   actual_drawing_function =
3780     (draw_level ? drawing_function : GADGET_ID_SINGLE_ITEMS);
3781
3782   switch (actual_drawing_function)
3783   {
3784     case GADGET_ID_SINGLE_ITEMS:
3785       if (draw_level)
3786       {
3787         if (button_release_event)
3788         {
3789           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3790
3791           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
3792               !inside_drawing_area)
3793             DeleteBrushFromCursor();
3794         }
3795
3796         if (!button)
3797           break;
3798
3799         if (draw_with_brush)
3800         {
3801           if (!button_release_event)
3802             CopyBrushToLevel(sx, sy, button);
3803         }
3804         else if (new_element != Feld[lx][ly])
3805         {
3806           if (new_element == EL_PLAYER1)
3807           {
3808             /* remove player at old position */
3809             for(y=0; y<lev_fieldy; y++)
3810             {
3811               for(x=0; x<lev_fieldx; x++)
3812               {
3813                 if (Feld[x][y] == EL_PLAYER1)
3814                 {
3815                   Feld[x][y] = EL_EMPTY;
3816                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
3817                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
3818                     DrawMiniElement(x - level_xpos, y - level_ypos,
3819                                     EL_EMPTY);
3820                 }
3821               }
3822             }
3823           }
3824
3825           Feld[lx][ly] = new_element;
3826           DrawMiniElement(sx, sy, new_element);
3827         }
3828       }
3829       else
3830       {
3831         DrawMiniGraphicExt(drawto,
3832                            gi->x + sx * MINI_TILEX,
3833                            gi->y + sy * MINI_TILEY,
3834                            el2img(new_element));
3835         DrawMiniGraphicExt(window,
3836                            gi->x + sx * MINI_TILEX,
3837                            gi->y + sy * MINI_TILEY,
3838                            el2img(new_element));
3839
3840         if (id == GADGET_ID_AMOEBA_CONTENT)
3841           level.amoeba_content = new_element;
3842         else if (id == GADGET_ID_RANDOM_BACKGROUND)
3843           random_placement_background_element = new_element;
3844         else if (id >= GADGET_ID_ELEM_CONTENT_0 &&
3845                  id <= GADGET_ID_ELEM_CONTENT_7)
3846           level.yam_content[id - GADGET_ID_ELEM_CONTENT_0][sx][sy] =
3847             new_element;
3848       }
3849       break;
3850
3851     case GADGET_ID_CONNECTED_ITEMS:
3852       {
3853         static int last_sx = -1;
3854         static int last_sy = -1;
3855
3856         if (button_release_event)
3857           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3858
3859         if (button)
3860         {
3861           if (!button_press_event)
3862             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
3863
3864           last_sx = sx;
3865           last_sy = sy;
3866         }
3867       }
3868       break;
3869
3870     case GADGET_ID_LINE:
3871     case GADGET_ID_ARC:
3872     case GADGET_ID_RECTANGLE:
3873     case GADGET_ID_FILLED_BOX:
3874     case GADGET_ID_GRAB_BRUSH:
3875     case GADGET_ID_TEXT:
3876       {
3877         static int last_sx = -1;
3878         static int last_sy = -1;
3879         static int start_sx = -1;
3880         static int start_sy = -1;
3881         void (*draw_func)(int, int, int, int, int, boolean);
3882
3883         if (drawing_function == GADGET_ID_LINE)
3884           draw_func = DrawLine;
3885         else if (drawing_function == GADGET_ID_ARC)
3886           draw_func = DrawArc;
3887         else if (drawing_function == GADGET_ID_RECTANGLE)
3888           draw_func = DrawRectangle;
3889         else if (drawing_function == GADGET_ID_FILLED_BOX)
3890           draw_func = DrawFilledBox;
3891         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
3892           draw_func = SelectArea;
3893         else /* (drawing_function == GADGET_ID_TEXT) */
3894           draw_func = SetTextCursor;
3895
3896         if (button_press_event)
3897         {
3898           draw_func(sx, sy, sx, sy, new_element, FALSE);
3899           start_sx = last_sx = sx;
3900           start_sy = last_sy = sy;
3901
3902           if (drawing_function == GADGET_ID_TEXT)
3903             DrawLevelText(0, 0, 0, TEXT_END);
3904         }
3905         else if (button_release_event)
3906         {
3907           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
3908           if (drawing_function == GADGET_ID_GRAB_BRUSH)
3909           {
3910             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
3911             CopyBrushToCursor(sx, sy);
3912             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
3913                           MB_LEFTBUTTON);
3914             draw_with_brush = TRUE;
3915           }
3916           else if (drawing_function == GADGET_ID_TEXT)
3917             DrawLevelText(sx, sy, 0, TEXT_INIT);
3918           else
3919             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3920         }
3921         else if (last_sx != sx || last_sy != sy)
3922         {
3923           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
3924           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
3925           last_sx = sx;
3926           last_sy = sy;
3927         }
3928       }
3929       break;
3930
3931     case GADGET_ID_FLOOD_FILL:
3932       if (button_press_event && Feld[lx][ly] != new_element)
3933       {
3934         FloodFill(lx, ly, new_element);
3935         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3936         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3937       }
3938       break;
3939
3940     case GADGET_ID_PICK_ELEMENT:
3941       if (button_release_event)
3942         ClickOnGadget(level_editor_gadget[last_drawing_function],
3943                       MB_LEFTBUTTON);
3944       else
3945         PickDrawingElement(button, Feld[lx][ly]);
3946
3947       break;
3948
3949     default:
3950       break;
3951   }
3952 }
3953
3954 static void HandleCounterButtons(struct GadgetInfo *gi)
3955 {
3956   int gadget_id = gi->custom_id;
3957   int counter_id = gi->custom_type_id;
3958   int button = gi->event.button;
3959   int *counter_value = counterbutton_info[counter_id].value;
3960   int step = BUTTON_STEPSIZE(button) *
3961     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
3962
3963   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
3964   {
3965     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
3966     boolean released = (gi->event.type == GD_EVENT_RELEASED);
3967     boolean level_changed = LevelChanged();
3968
3969     if ((level_changed && pressed) || (!level_changed && released))
3970       return;
3971
3972     if (level_changed && !Request("Level has changed! Discard changes ?",
3973                                   REQ_ASK))
3974     {
3975       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
3976         ModifyEditorCounter(counter_id, *counter_value);
3977       return;
3978     }
3979   }
3980
3981   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
3982     *counter_value = gi->text.number_value;
3983   else
3984     ModifyEditorCounter(counter_id, *counter_value + step);
3985
3986   switch (counter_id)
3987   {
3988     case ED_COUNTER_ID_ELEM_CONTENT:
3989       DrawElementContentAreas();
3990       break;
3991
3992     case ED_COUNTER_ID_LEVEL_XSIZE:
3993     case ED_COUNTER_ID_LEVEL_YSIZE:
3994       lev_fieldx = level.fieldx;
3995       lev_fieldy = level.fieldy;
3996       break;
3997
3998     case ED_COUNTER_ID_SELECT_LEVEL:
3999       LoadLevel(level_nr);
4000       TapeErase();
4001       ResetUndoBuffer();
4002       DrawEditModeWindow();
4003       break;
4004
4005     default:
4006       break;
4007   }
4008 }
4009
4010 static void HandleTextInputGadgets(struct GadgetInfo *gi)
4011 {
4012   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
4013 }
4014
4015 static void HandleRadiobuttons(struct GadgetInfo *gi)
4016 {
4017   *radiobutton_info[gi->custom_type_id].value =
4018     radiobutton_info[gi->custom_type_id].checked_value;
4019 }
4020
4021 static void HandleCheckbuttons(struct GadgetInfo *gi)
4022 {
4023   *checkbutton_info[gi->custom_type_id].value ^= TRUE;
4024 }
4025
4026 static void HandleControlButtons(struct GadgetInfo *gi)
4027 {
4028   int id = gi->custom_id;
4029   int button = gi->event.button;
4030   int step = BUTTON_STEPSIZE(button);
4031   int new_element = BUTTON_ELEMENT(button);
4032   int i, x, y;
4033
4034   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
4035     DrawLevelText(0, 0, 0, TEXT_END);
4036
4037   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
4038       edit_mode != ED_MODE_DRAWING)
4039   {
4040     DrawDrawingWindow();
4041     edit_mode = ED_MODE_DRAWING;
4042   }
4043
4044   switch (id)
4045   {
4046     case GADGET_ID_SCROLL_LEFT:
4047       if (level_xpos >= 0)
4048       {
4049         if (lev_fieldx < ed_fieldx - 2)
4050           break;
4051
4052         level_xpos -= step;
4053         if (level_xpos < -1)
4054           level_xpos = -1;
4055         if (button == 1)
4056           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
4057         else
4058           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4059
4060         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4061                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
4062       }
4063       break;
4064
4065     case GADGET_ID_SCROLL_RIGHT:
4066       if (level_xpos <= lev_fieldx - ed_fieldx)
4067       {
4068         if (lev_fieldx < ed_fieldx - 2)
4069           break;
4070
4071         level_xpos += step;
4072         if (level_xpos > lev_fieldx - ed_fieldx + 1)
4073           level_xpos = lev_fieldx - ed_fieldx + 1;
4074         if (button == 1)
4075           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
4076         else
4077           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4078
4079         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4080                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
4081       }
4082       break;
4083
4084     case GADGET_ID_SCROLL_UP:
4085       if (level_ypos >= 0)
4086       {
4087         if (lev_fieldy < ed_fieldy - 2)
4088           break;
4089
4090         level_ypos -= step;
4091         if (level_ypos < -1)
4092           level_ypos = -1;
4093         if (button == 1)
4094           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
4095         else
4096           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4097
4098         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4099                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
4100       }
4101       break;
4102
4103     case GADGET_ID_SCROLL_DOWN:
4104       if (level_ypos <= lev_fieldy - ed_fieldy)
4105       {
4106         if (lev_fieldy < ed_fieldy - 2)
4107           break;
4108
4109         level_ypos += step;
4110         if (level_ypos > lev_fieldy - ed_fieldy + 1)
4111           level_ypos = lev_fieldy - ed_fieldy + 1;
4112         if (button == 1)
4113           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
4114         else
4115           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4116
4117         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4118                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
4119       }
4120       break;
4121
4122     case GADGET_ID_SCROLL_HORIZONTAL:
4123       level_xpos = gi->event.item_position - 1;
4124       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4125       break;
4126
4127     case GADGET_ID_SCROLL_VERTICAL:
4128       level_ypos = gi->event.item_position - 1;
4129       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4130       break;
4131
4132     case GADGET_ID_SCROLL_LIST_UP:
4133     case GADGET_ID_SCROLL_LIST_DOWN:
4134     case GADGET_ID_SCROLL_LIST_VERTICAL:
4135       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
4136         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
4137       else
4138       {
4139         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
4140         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
4141
4142         if (element_shift < 0)
4143           element_shift = 0;
4144         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
4145           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
4146
4147         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
4148                      GDI_SCROLLBAR_ITEM_POSITION,
4149                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
4150       }
4151
4152       for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4153       {
4154         int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4155         struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4156         struct GadgetDesign *gd = &gi->deco.design;
4157         int element = editor_elements[element_shift + i];
4158
4159         UnmapGadget(gi);
4160         getMiniGraphicSource(el2img(element), &gd->bitmap, &gd->x, &gd->y);
4161         ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4162         MapGadget(gi);
4163       }
4164       break;
4165
4166     case GADGET_ID_WRAP_LEFT:
4167       WrapLevel(-step, 0);
4168       break;
4169
4170     case GADGET_ID_WRAP_RIGHT:
4171       WrapLevel(step, 0);
4172       break;
4173
4174     case GADGET_ID_WRAP_UP:
4175       WrapLevel(0, -step);
4176       break;
4177
4178     case GADGET_ID_WRAP_DOWN:
4179       WrapLevel(0, step);
4180       break;
4181
4182     case GADGET_ID_SINGLE_ITEMS:
4183     case GADGET_ID_CONNECTED_ITEMS:
4184     case GADGET_ID_LINE:
4185     case GADGET_ID_ARC:
4186     case GADGET_ID_TEXT:
4187     case GADGET_ID_RECTANGLE:
4188     case GADGET_ID_FILLED_BOX:
4189     case GADGET_ID_FLOOD_FILL:
4190     case GADGET_ID_GRAB_BRUSH:
4191     case GADGET_ID_PICK_ELEMENT:
4192       last_drawing_function = drawing_function;
4193       drawing_function = id;
4194       draw_with_brush = FALSE;
4195       break;
4196
4197     case GADGET_ID_RANDOM_PLACEMENT:
4198       RandomPlacement(new_element);
4199       break;
4200
4201     case GADGET_ID_PROPERTIES:
4202       if (edit_mode != ED_MODE_PROPERTIES)
4203       {
4204         properties_element = new_element;
4205         DrawPropertiesWindow();
4206         edit_mode = ED_MODE_PROPERTIES;
4207       }
4208       else
4209       {
4210         DrawDrawingWindow();
4211         edit_mode = ED_MODE_DRAWING;
4212       }
4213       break;
4214
4215     case GADGET_ID_UNDO:
4216       if (undo_buffer_steps == 0)
4217       {
4218         Request("Undo buffer empty !", REQ_CONFIRM);
4219         break;
4220       }
4221
4222       undo_buffer_position =
4223         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
4224       undo_buffer_steps--;
4225
4226       for(x=0; x<lev_fieldx; x++)
4227         for(y=0; y<lev_fieldy; y++)
4228           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
4229       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
4230       break;
4231
4232     case GADGET_ID_INFO:
4233       if (edit_mode != ED_MODE_INFO)
4234       {
4235         DrawLevelInfoWindow();
4236         edit_mode = ED_MODE_INFO;
4237       }
4238       else
4239       {
4240         DrawDrawingWindow();
4241         edit_mode = ED_MODE_DRAWING;
4242       }
4243       break;
4244
4245     case GADGET_ID_CLEAR:
4246       for(x=0; x<MAX_LEV_FIELDX; x++)
4247         for(y=0; y<MAX_LEV_FIELDY; y++)
4248           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
4249       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
4250
4251       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4252       break;
4253
4254     case GADGET_ID_SAVE:
4255       if (leveldir_current->readonly)
4256       {
4257         Request("This level is read only !", REQ_CONFIRM);
4258         break;
4259       }
4260
4261       if (!LevelContainsPlayer)
4262         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
4263       else
4264       {
4265         if (Request("Save this level and kill the old ?", REQ_ASK))
4266         {
4267           for(x=0; x<lev_fieldx; x++)
4268             for(y=0; y<lev_fieldy; y++)
4269               Ur[x][y] = Feld[x][y];
4270           SaveLevel(level_nr);
4271         }
4272       }
4273       break;
4274
4275     case GADGET_ID_TEST:
4276       if (!LevelContainsPlayer)
4277         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
4278       else
4279       {
4280         if (LevelChanged())
4281           level.game_version = GAME_VERSION_ACTUAL;
4282
4283         for(x=0; x<lev_fieldx; x++)
4284           for(y=0; y<lev_fieldy; y++)
4285             FieldBackup[x][y] = Ur[x][y];
4286
4287         for(x=0; x<lev_fieldx; x++)
4288           for(y=0; y<lev_fieldy; y++)
4289             Ur[x][y] = Feld[x][y];
4290
4291         UnmapLevelEditorGadgets();
4292         UndrawSpecialEditorDoor();
4293
4294         CloseDoor(DOOR_CLOSE_ALL);
4295
4296         DrawCompleteVideoDisplay();
4297
4298         if (setup.autorecord)
4299           TapeStartRecording();
4300
4301         level_editor_test_game = TRUE;
4302         game_status = PLAYING;
4303
4304         InitGame();
4305       }
4306       break;
4307
4308     case GADGET_ID_EXIT:
4309       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
4310       break;
4311
4312     default:
4313       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
4314           id <= GADGET_ID_ELEMENTLIST_LAST)
4315       {
4316         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
4317         int new_element = editor_elements[element_position + element_shift];
4318
4319         PickDrawingElement(button, new_element);
4320
4321         if (!HAS_CONTENT(properties_element) ||
4322             !stick_element_properties_window)
4323         {
4324           properties_element = new_element;
4325           if (edit_mode == ED_MODE_PROPERTIES)
4326             DrawPropertiesWindow();
4327         }
4328
4329         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4330           ClickOnGadget(level_editor_gadget[last_drawing_function],
4331                         MB_LEFTBUTTON);
4332       }
4333 #ifdef DEBUG
4334       else if (gi->event.type == GD_EVENT_PRESSED)
4335         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
4336       else if (gi->event.type == GD_EVENT_RELEASED)
4337         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
4338       else if (gi->event.type == GD_EVENT_MOVING)
4339         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
4340       else
4341         printf("default: HandleControlButtons: ? (id == %d)\n", id);
4342 #endif
4343       break;
4344   }
4345 }
4346
4347 void HandleLevelEditorKeyInput(Key key)
4348 {
4349   char letter = getCharFromKey(key);
4350   int button = MB_LEFTBUTTON;
4351
4352   if (drawing_function == GADGET_ID_TEXT &&
4353       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
4354   {
4355     if (letter)
4356       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
4357     else if (key == KSYM_Delete || key == KSYM_BackSpace)
4358       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
4359     else if (key == KSYM_Return)
4360       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
4361     else if (key == KSYM_Escape)
4362       DrawLevelText(0, 0, 0, TEXT_END);
4363   }
4364   else if (button_status == MB_RELEASED)
4365   {
4366     int i, id = GADGET_ID_NONE;
4367
4368     switch (key)
4369     {
4370       case KSYM_Left:
4371         id = GADGET_ID_SCROLL_LEFT;
4372         break;
4373       case KSYM_Right:
4374         id = GADGET_ID_SCROLL_RIGHT;
4375         break;
4376       case KSYM_Up:
4377         id = GADGET_ID_SCROLL_UP;
4378         break;
4379       case KSYM_Down:
4380         id = GADGET_ID_SCROLL_DOWN;
4381         break;
4382       case KSYM_Page_Up:
4383         id = GADGET_ID_SCROLL_LIST_UP;
4384         button = MB_RIGHTBUTTON;
4385         break;
4386       case KSYM_Page_Down:
4387         id = GADGET_ID_SCROLL_LIST_DOWN;
4388         button = MB_RIGHTBUTTON;
4389         break;
4390
4391       case KSYM_Escape:
4392         if (edit_mode == ED_MODE_DRAWING)
4393         {
4394           RequestExitLevelEditor(setup.ask_on_escape);
4395         }
4396         else
4397         {
4398           DrawDrawingWindow();
4399           edit_mode = ED_MODE_DRAWING;
4400         }
4401         break;
4402
4403       default:
4404         break;
4405     }
4406
4407     if (id != GADGET_ID_NONE)
4408       ClickOnGadget(level_editor_gadget[id], button);
4409     else if (letter == '.')
4410       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
4411     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
4412       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
4413     else
4414       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
4415         if (letter && letter == control_info[i].shortcut)
4416           if (!anyTextGadgetActive())
4417             ClickOnGadget(level_editor_gadget[i], button);
4418   }
4419 }
4420
4421 void HandleLevelEditorIdle()
4422 {
4423   static unsigned long action_delay = 0;
4424   unsigned long action_delay_value = GameFrameDelay;
4425   int xpos = 1, ypos = 2;
4426
4427   if (edit_mode != ED_MODE_PROPERTIES)
4428     return;
4429
4430   if (!DelayReached(&action_delay, action_delay_value))
4431     return;
4432
4433   FY += MINI_TILEY / 2;
4434 #if 1
4435   DrawGraphicAnimation(xpos, ypos, el2img(properties_element));
4436 #else
4437   DrawGraphicAnimation(xpos, ypos, el_dir_act2img(properties_element,
4438                                                   MV_NO_MOVING,
4439                                                   ...));
4440 #endif
4441   FY -= MINI_TILEY / 2;
4442   MarkTileDirty(xpos, ypos + 1);
4443
4444   FrameCounter++;       /* increase animation frame counter */
4445 }
4446
4447 void ClearEditorGadgetInfoText()
4448 {
4449   ClearRectangle(drawto,
4450                  INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
4451   redraw_mask |= REDRAW_FIELD;
4452 }
4453
4454 void HandleEditorGadgetInfoText(void *ptr)
4455 {
4456   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
4457   char infotext[MAX_INFOTEXT_LEN + 1];
4458   char shortcut[MAX_INFOTEXT_LEN + 1];
4459
4460   if (game_status != LEVELED)
4461     return;
4462
4463   ClearEditorGadgetInfoText();
4464
4465   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4466     return;
4467
4468   /* misuse this function to delete brush cursor, if needed */
4469   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
4470     DeleteBrushFromCursor();
4471
4472   if (gi == NULL || gi->info_text == NULL)
4473     return;
4474
4475   strncpy(infotext, gi->info_text, MAX_INFOTEXT_LEN);
4476   infotext[MAX_INFOTEXT_LEN] = '\0';
4477
4478   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
4479   {
4480     int key = control_info[gi->custom_id].shortcut;
4481
4482     if (key)
4483     {
4484       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
4485         sprintf(shortcut, " ('.' or '%c')", key);
4486       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
4487         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
4488       else                                              /* normal case */
4489         sprintf(shortcut, " ('%s%c')",
4490                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
4491
4492       if (strlen(infotext) + strlen(shortcut) <= MAX_INFOTEXT_LEN)
4493         strcat(infotext, shortcut);
4494     }
4495   }
4496
4497   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FS_SMALL, FC_YELLOW);
4498 }
4499
4500 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
4501 {
4502   static int start_lx, start_ly;
4503   char *infotext;
4504   int id = gi->custom_id;
4505   int sx = gi->event.x;
4506   int sy = gi->event.y;
4507   int lx = sx + level_xpos;
4508   int ly = sy + level_ypos;
4509   int min_sx = 0, min_sy = 0;
4510   int max_sx = gi->drawing.area_xsize - 1;
4511   int max_sy = gi->drawing.area_ysize - 1;
4512
4513   ClearEditorGadgetInfoText();
4514
4515   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4516     return;
4517
4518   /* make sure to stay inside drawing area boundaries */
4519   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
4520   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
4521
4522   if (id == GADGET_ID_DRAWING_LEVEL)
4523   {
4524     if (button_status)
4525     {
4526       int min_lx = 0, min_ly = 0;
4527       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
4528
4529       /* get positions inside level field */
4530       lx = sx + level_xpos;
4531       ly = sy + level_ypos;
4532
4533       /* make sure to stay inside level field boundaries */
4534       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
4535       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
4536
4537       /* correct drawing area positions accordingly */
4538       sx = lx - level_xpos;
4539       sy = ly - level_ypos;
4540     }
4541
4542     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
4543     {
4544       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
4545       {
4546         if (gi->event.type == GD_EVENT_PRESSED)
4547         {
4548           start_lx = lx;
4549           start_ly = ly;
4550         }
4551
4552         switch (drawing_function)
4553         {
4554           case GADGET_ID_SINGLE_ITEMS:
4555             infotext = "Drawing single items";
4556             break;
4557           case GADGET_ID_CONNECTED_ITEMS:
4558             infotext = "Drawing connected items";
4559             break;
4560           case GADGET_ID_LINE:
4561             infotext = "Drawing line";
4562             break;
4563           case GADGET_ID_ARC:
4564             infotext = "Drawing arc";
4565             break;
4566           case GADGET_ID_TEXT:
4567             infotext = "Setting text cursor";
4568             break;
4569           case GADGET_ID_RECTANGLE:
4570             infotext = "Drawing rectangle";
4571             break;
4572           case GADGET_ID_FILLED_BOX:
4573             infotext = "Drawing filled box";
4574             break;
4575           case GADGET_ID_FLOOD_FILL:
4576             infotext = "Flood fill";
4577             break;
4578           case GADGET_ID_GRAB_BRUSH:
4579             infotext = "Grabbing brush";
4580             break;
4581           case GADGET_ID_PICK_ELEMENT:
4582             infotext = "Picking element";
4583             break;
4584
4585           default:
4586             infotext = "Drawing position";
4587             break;
4588         }
4589
4590         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4591           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4592                     "%s: %d, %d", infotext, lx, ly);
4593         else
4594           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4595                     "%s: %d, %d", infotext,
4596                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
4597       }
4598       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
4599         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4600                   "%s", getElementInfoText(Feld[lx][ly]));
4601       else
4602         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4603                   "Level position: %d, %d", lx, ly);
4604     }
4605
4606     /* misuse this function to draw brush cursor, if needed */
4607     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
4608     {
4609       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4610         CopyBrushToCursor(sx, sy);
4611       else
4612         DeleteBrushFromCursor();
4613     }
4614   }
4615   else if (id == GADGET_ID_AMOEBA_CONTENT)
4616     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4617               "Amoeba content");
4618   else if (id == GADGET_ID_RANDOM_BACKGROUND)
4619     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4620               "Random placement background");
4621   else
4622     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FC_YELLOW,
4623               "Content area %d position: %d, %d",
4624               id - GADGET_ID_ELEM_CONTENT_0 + 1, sx, sy);
4625 }
4626
4627 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
4628 {
4629   if (!ask_if_level_has_changed ||
4630       !LevelChanged() ||
4631       Request("Level has changed! Exit without saving ?",
4632               REQ_ASK | REQ_STAY_OPEN))
4633   {
4634     CloseDoor(DOOR_CLOSE_1);
4635     /*
4636     CloseDoor(DOOR_CLOSE_ALL);
4637     */
4638     game_status = MAINMENU;
4639     DrawMainMenu();
4640   }
4641   else
4642   {
4643     CloseDoor(DOOR_CLOSE_1);
4644     BlitBitmap(bitmap_db_door, bitmap_db_door,
4645                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
4646                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
4647     OpenDoor(DOOR_OPEN_1);
4648   }
4649 }