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_COUNTER_YPOS2(n)             (ED_COUNTER_YSTART + \
  99                                          n * ED_COUNTER_YDISTANCE / 2)
 100 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 101                                          n * ED_COUNTER_YDISTANCE - 2)
 102
 103 /* standard distances */
 104 #define ED_BORDER_SIZE                  3
 105 #define ED_GADGET_DISTANCE              2
 106
 107 /* values for element content drawing areas */
 108 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 109 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 110
 111 #define ED_AREA_ELEM_CONTENT2_XPOS      ( 2 * MINI_TILEX)
 112 #define ED_AREA_ELEM_CONTENT2_YPOS      (28 * MINI_TILEY)
 113
 114 /* values for random placement background drawing area */
 115 #define ED_AREA_RANDOM_BACKGROUND_XPOS  (29 * MINI_TILEX)
 116 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 117
 118 /* values for scrolling gadgets for drawing area */
 119 #define ED_SCROLLBUTTON_XPOS            24
 120 #define ED_SCROLLBUTTON_YPOS            0
 121 #define ED_SCROLLBAR_XPOS               24
 122 #define ED_SCROLLBAR_YPOS               64
 123
 124 #define ED_SCROLLBUTTON_XSIZE           16
 125 #define ED_SCROLLBUTTON_YSIZE           16
 126
 127 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 128 #define ED_SCROLL_UP_YPOS               (0)
 129 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 130 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 131 #define ED_SCROLL_LEFT_XPOS             (0)
 132 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 133 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 134 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 135 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 136 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 137 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 138 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 139 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 140 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 141 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 142 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 143
 144 /* values for scrolling gadgets for element list */
 145 #define ED_SCROLLBUTTON2_XPOS           50
 146 #define ED_SCROLLBUTTON2_YPOS           0
 147 #define ED_SCROLLBAR2_XPOS              50
 148 #define ED_SCROLLBAR2_YPOS              20
 149
 150 #define ED_SCROLLBUTTON2_XSIZE          10
 151 #define ED_SCROLLBUTTON2_YSIZE          10
 152
 153 #define ED_SCROLL2_UP_XPOS              85
 154 #define ED_SCROLL2_UP_YPOS              30
 155 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 156 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 157                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 158                                          ED_ELEMENTLIST_YSIZE - \
 159                                          ED_SCROLLBUTTON2_YSIZE)
 160 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 161 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 162                                          ED_SCROLLBUTTON2_YSIZE)
 163 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 164 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 165                                          ED_ELEMENTLIST_YSIZE - \
 166                                          2 * ED_SCROLLBUTTON2_YSIZE)
 167
 168 /* values for checkbutton gadgets */
 169 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 170 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 171 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 172 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 173 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 174 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 175 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 176
 177 /* some positions in the editor control window */
 178 #define ED_BUTTON_ELEM_XPOS             6
 179 #define ED_BUTTON_ELEM_YPOS             30
 180 #define ED_BUTTON_ELEM_XSIZE            22
 181 #define ED_BUTTON_ELEM_YSIZE            22
 182
 183 /* some values for text input, selectbox and counter gadgets */
 184 #define ED_BUTTON_COUNT_YPOS            60
 185 #define ED_BUTTON_COUNT_XSIZE           20
 186 #define ED_BUTTON_COUNT_YSIZE           20
 187 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 188 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 189 #define ED_WIN_COUNT_XSIZE              52
 190 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 191 #define ED_WIN_COUNT2_XPOS              27
 192 #define ED_WIN_COUNT2_YPOS              3
 193 #define ED_WIN_COUNT2_XSIZE             46
 194 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 195
 196 #define ED_BUTTON_MINUS_XPOS            2
 197 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 198 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 199 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 200 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 201                                          ED_WIN_COUNT_XSIZE + 2)
 202 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 203 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 204 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 205
 206 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 207 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + 2 + \
 208                                          ED_WIN_COUNT_YSIZE)
 209 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 210 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 211
 212 /* editor gadget identifiers */
 213
 214 /* drawing toolbox buttons */
 215 #define GADGET_ID_NONE                  -1
 216 #define GADGET_ID_TOOLBOX_FIRST         0
 217
 218 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 219 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 220 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 221 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 222 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 223 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 224 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 225 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 226 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 227 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 228 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 229 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 230 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 231 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 232 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 233 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 234 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 235 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 236 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 237 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 238 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 239 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 240
 241 /* counter button identifiers */
 242 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 243
 244 #define GADGET_ID_ELEM_SCORE_DOWN       (GADGET_ID_COUNTER_FIRST + 0)
 245 #define GADGET_ID_ELEM_SCORE_TEXT       (GADGET_ID_COUNTER_FIRST + 1)
 246 #define GADGET_ID_ELEM_SCORE_UP         (GADGET_ID_COUNTER_FIRST + 2)
 247 #define GADGET_ID_ELEM_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 3)
 248 #define GADGET_ID_ELEM_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 4)
 249 #define GADGET_ID_ELEM_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 5)
 250 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 251 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 252 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 253 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 9)
 254 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 10)
 255 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 11)
 256 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 12)
 257 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 13)
 258 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 14)
 259 #define GADGET_ID_LEVEL_COLLECT_DOWN    (GADGET_ID_COUNTER_FIRST + 15)
 260 #define GADGET_ID_LEVEL_COLLECT_TEXT    (GADGET_ID_COUNTER_FIRST + 16)
 261 #define GADGET_ID_LEVEL_COLLECT_UP      (GADGET_ID_COUNTER_FIRST + 17)
 262 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 263 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 264 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 20)
 265 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 21)
 266 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 22)
 267 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 23)
 268 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 24)
 269 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 25)
 270 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 26)
 271
 272 /* drawing area identifiers */
 273 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 27)
 274
 275 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 276 #define GADGET_ID_ELEM_CONTENT_0        (GADGET_ID_DRAWING_AREA_FIRST + 1)
 277 #define GADGET_ID_ELEM_CONTENT_1        (GADGET_ID_DRAWING_AREA_FIRST + 2)
 278 #define GADGET_ID_ELEM_CONTENT_2        (GADGET_ID_DRAWING_AREA_FIRST + 3)
 279 #define GADGET_ID_ELEM_CONTENT_3        (GADGET_ID_DRAWING_AREA_FIRST + 4)
 280 #define GADGET_ID_ELEM_CONTENT_4        (GADGET_ID_DRAWING_AREA_FIRST + 5)
 281 #define GADGET_ID_ELEM_CONTENT_5        (GADGET_ID_DRAWING_AREA_FIRST + 6)
 282 #define GADGET_ID_ELEM_CONTENT_6        (GADGET_ID_DRAWING_AREA_FIRST + 7)
 283 #define GADGET_ID_ELEM_CONTENT_7        (GADGET_ID_DRAWING_AREA_FIRST + 8)
 284 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 285 #define GADGET_ID_CUSTOM_CHANGED        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 286 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 11)
 287
 288 /* text input identifiers */
 289 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 12)
 290
 291 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 292 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 293
 294 /* selectbox identifiers */
 295 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 2)
 296
 297 #define GADGET_ID_SELECTBOX_TEST        (GADGET_ID_SELECTBOX_FIRST + 0)
 298
 299 /* gadgets for scrolling of drawing area */
 300 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_SELECTBOX_FIRST + 1)
 301
 302 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 303 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 304 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 305 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 306 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 307 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 308
 309 /* gadgets for scrolling element list */
 310 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 311
 312 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 313 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 314 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 315
 316 /* buttons for level/element properties */
 317 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 318
 319 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 320 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 321 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 322 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 323 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 324 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 325 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 326 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 7)
 327 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 8)
 328 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 9)
 329 #define GADGET_ID_CUSTOM_PUSHABLE       (GADGET_ID_CHECKBUTTON_FIRST + 10)
 330 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 11)
 331
 332 /* gadgets for buttons in element list */
 333 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 12)
 334 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 335                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 336
 337 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 338
 339 /* radio button numbers */
 340 #define RADIO_NR_NONE                   0
 341 #define RADIO_NR_DRAWING_TOOLBOX        1
 342 #define RADIO_NR_RANDOM_ELEMENTS        2
 343
 344 /* values for counter gadgets */
 345 #define ED_COUNTER_ID_ELEM_SCORE        0
 346 #define ED_COUNTER_ID_ELEM_CONTENT      1
 347 #define ED_COUNTER_ID_LEVEL_XSIZE       2
 348 #define ED_COUNTER_ID_LEVEL_YSIZE       3
 349 #define ED_COUNTER_ID_LEVEL_COLLECT     4
 350 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   5
 351 #define ED_COUNTER_ID_LEVEL_TIMESCORE   6
 352 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 353 #define ED_COUNTER_ID_SELECT_LEVEL      8
 354
 355 #define ED_NUM_COUNTERBUTTONS           9
 356
 357 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 358 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 359
 360 /* values for scrollbutton gadgets */
 361 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 362 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 363 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 364 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 365 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 366 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 367
 368 #define ED_NUM_SCROLLBUTTONS            6
 369
 370 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 371 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 372
 373 /* values for scrollbar gadgets */
 374 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 375 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 376 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 377
 378 #define ED_NUM_SCROLLBARS               3
 379
 380 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 381 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 382
 383 /* values for text input gadgets */
 384 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 385 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 386
 387 #define ED_NUM_TEXTINPUT                2
 388
 389 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 390 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 391
 392 /* values for selectbox gadgets */
 393 #define ED_SELECTBOX_ID_TEST            0
 394
 395 #define ED_NUM_SELECTBOX                1
 396
 397 /* values for checkbutton gadgets */
 398 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 399 #define ED_CHECKBUTTON_ID_GRAVITY               1
 400 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 401 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 402 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 403 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 5
 404 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       6
 405 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      7
 406 #define ED_CHECKBUTTON_ID_CUSTOM_PUSHABLE       8
 407 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       9
 408
 409 #define ED_NUM_CHECKBUTTONS                     10
 410
 411 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 412 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 413
 414 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 415 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY
 416
 417 /* values for radiobutton gadgets */
 418 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 419 #define ED_RADIOBUTTON_ID_QUANTITY      1
 420
 421 #define ED_NUM_RADIOBUTTONS             2
 422
 423 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 424 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 425
 426 /* values for CopyLevelToUndoBuffer() */
 427 #define UNDO_IMMEDIATE                  0
 428 #define UNDO_ACCUMULATE                 1
 429
 430 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 431 #define INFOTEXT_XPOS                   SX
 432 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 433 #define INFOTEXT_XSIZE                  SXSIZE
 434 #define INFOTEXT_YSIZE                  MINI_TILEX
 435
 436 static struct
 437 {
 438   char shortcut;
 439   char *text;
 440 } control_info[ED_NUM_CTRL_BUTTONS] =
 441 {
 442   { 's',        "draw single items"             },
 443   { 'd',        "draw connected items"          },
 444   { 'l',        "draw lines"                    },
 445   { 'a',        "draw arcs"                     },
 446   { 'r',        "draw outline rectangles"       },
 447   { 'R',        "draw filled rectangles"        },
 448   { '\0',       "wrap (rotate) level up"        },
 449   { 't',        "enter text elements"           },
 450   { 'f',        "flood fill"                    },
 451   { '\0',       "wrap (rotate) level left"      },
 452   { '?',        "properties of drawing element" },
 453   { '\0',       "wrap (rotate) level right"     },
 454   { '\0',       "random element placement"      },
 455   { 'b',        "grab brush"                    },
 456   { '\0',       "wrap (rotate) level down"      },
 457   { ',',        "pick drawing element"          },
 458   { 'U',        "undo last operation"           },
 459   { 'I',        "level properties"              },
 460   { 'S',        "save level"                    },
 461   { 'C',        "clear level"                   },
 462   { 'T',        "test level"                    },
 463   { 'E',        "exit level editor"             }
 464 };
 465
 466 /* values for random placement */
 467 #define RANDOM_USE_PERCENTAGE           0
 468 #define RANDOM_USE_QUANTITY             1
 469
 470 static int random_placement_value = 10;
 471 static int random_placement_method = RANDOM_USE_QUANTITY;
 472 static int random_placement_background_element = EL_SAND;
 473 static boolean random_placement_background_restricted = FALSE;
 474 static boolean stick_element_properties_window = FALSE;
 475
 476 static struct
 477 {
 478   boolean indestructible;
 479   boolean can_fall;
 480   boolean can_smash;
 481   boolean pushable;
 482   boolean slippery;
 483 } custom_element_properties[NUM_CUSTOM_ELEMENTS];
 484
 485 static struct
 486 {
 487   int x, y;
 488   int min_value, max_value;
 489   int gadget_id_down, gadget_id_up;
 490   int gadget_id_text;
 491   int *value;
 492   char *infotext_above, *infotext_right;
 493 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 494 {
 495   {
 496     ED_COUNT_ELEM_SCORE_XPOS,           ED_COUNT_ELEM_SCORE_YPOS,
 497     MIN_SCORE,                          MAX_SCORE,
 498     GADGET_ID_ELEM_SCORE_DOWN,          GADGET_ID_ELEM_SCORE_UP,
 499     GADGET_ID_ELEM_SCORE_TEXT,
 500     NULL,                               /* will be set when used */
 501     "element score",                    NULL
 502   },
 503   {
 504     ED_COUNT_ELEM_CONTENT_XPOS,         ED_COUNT_ELEM_CONTENT_YPOS,
 505     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 506     GADGET_ID_ELEM_CONTENT_DOWN,        GADGET_ID_ELEM_CONTENT_UP,
 507     GADGET_ID_ELEM_CONTENT_TEXT,
 508     &level.num_yam_contents,
 509     "element content",                  NULL
 510   },
 511   {
 512     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(2),
 513     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 514     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 515     GADGET_ID_LEVEL_XSIZE_TEXT,
 516     &level.fieldx,
 517     "playfield size",                   "width",
 518   },
 519   {
 520     ED_SETTINGS_XPOS + 2 * DXSIZE,      ED_COUNTER_YPOS(2),
 521     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 522     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 523     GADGET_ID_LEVEL_YSIZE_TEXT,
 524     &level.fieldy,
 525     NULL,                               "height",
 526   },
 527   {
 528     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(3),
 529     0,                                  999,
 530     GADGET_ID_LEVEL_COLLECT_DOWN,       GADGET_ID_LEVEL_COLLECT_UP,
 531     GADGET_ID_LEVEL_COLLECT_TEXT,
 532     &level.gems_needed,
 533     "number of emeralds to collect",    NULL
 534   },
 535   {
 536     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 537     0,                                  999,
 538     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 539     GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 540     &level.time,
 541     "time available to solve level",    "(0 => no time limit)"
 542   },
 543   {
 544     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(5),
 545     0,                                  255,
 546     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 547     GADGET_ID_LEVEL_TIMESCORE_TEXT,
 548     &level.score[SC_ZEITBONUS],
 549     "score for each 10 seconds left",   NULL
 550   },
 551   {
 552     ED_SETTINGS_XPOS,                   ED_COUNTER2_YPOS(8),
 553     1,                                  100,
 554     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 555     GADGET_ID_LEVEL_RANDOM_TEXT,
 556     &random_placement_value,
 557     "random element placement",         "in"
 558   },
 559   {
 560     DX + 5 - SX,                        DY + 3 - SY,
 561     1,                                  100,
 562     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 563     GADGET_ID_SELECT_LEVEL_TEXT,
 564     &level_nr,
 565     NULL,                               NULL
 566   }
 567 };
 568
 569 static struct
 570 {
 571   int x, y;
 572   int gadget_id;
 573   int size;
 574   char *value;
 575   char *infotext;
 576 } textinput_info[ED_NUM_TEXTINPUT] =
 577 {
 578   {
 579     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(0),
 580     GADGET_ID_LEVEL_NAME,
 581     MAX_LEVEL_NAME_LEN,
 582     level.name,
 583     "Title"
 584   },
 585   {
 586     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(1),
 587     GADGET_ID_LEVEL_AUTHOR,
 588     MAX_LEVEL_AUTHOR_LEN,
 589     level.author,
 590     "Author"
 591   }
 592 };
 593
 594 static char *test_values[] =
 595 {
 596   "test 1",
 597   "test 2",
 598   "dieser test-text ist viel zu lang fuer die selectbox",
 599   "letzter text",
 600   NULL
 601 };
 602 static int test_index = 0;
 603
 604 static struct
 605 {
 606   int x, y;
 607   int gadget_id;
 608   int size;
 609   char **values;
 610   int *index;
 611   char *text, *infotext;
 612 } selectbox_info[ED_NUM_SELECTBOX] =
 613 {
 614   {
 615     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(3),
 616     GADGET_ID_SELECTBOX_TEST,
 617     MAX_PLAYER_NAME_LEN,
 618     test_values, &test_index,
 619     "test:", "test-selectbox entry"
 620   },
 621 };
 622
 623 static struct
 624 {
 625   int xpos, ypos;
 626   int x, y;
 627   int gadget_id;
 628   char *infotext;
 629 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
 630 {
 631   {
 632     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
 633     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
 634     GADGET_ID_SCROLL_UP,
 635     "scroll level editing area up"
 636   },
 637   {
 638     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
 639     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
 640     GADGET_ID_SCROLL_DOWN,
 641     "scroll level editing area down"
 642   },
 643   {
 644     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
 645     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
 646     GADGET_ID_SCROLL_LEFT,
 647     "scroll level editing area left"
 648   },
 649   {
 650     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
 651     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
 652     GADGET_ID_SCROLL_RIGHT,
 653     "scroll level editing area right"
 654   },
 655   {
 656     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
 657     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
 658     GADGET_ID_SCROLL_LIST_UP,
 659     "scroll element list up ('Page Up')"
 660   },
 661   {
 662     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
 663     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
 664     GADGET_ID_SCROLL_LIST_DOWN,
 665     "scroll element list down ('Page Down')"
 666   }
 667 };
 668
 669 static struct
 670 {
 671   int xpos, ypos;
 672   int x, y;
 673   int width, height;
 674   int type;
 675   int gadget_id;
 676   char *infotext;
 677 } scrollbar_info[ED_NUM_SCROLLBARS] =
 678 {
 679   {
 680     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 681     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
 682     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
 683     GD_TYPE_SCROLLBAR_HORIZONTAL,
 684     GADGET_ID_SCROLL_HORIZONTAL,
 685     "scroll level editing area horizontally"
 686   },
 687   {
 688     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 689     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
 690     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
 691     GD_TYPE_SCROLLBAR_VERTICAL,
 692     GADGET_ID_SCROLL_VERTICAL,
 693     "scroll level editing area vertically"
 694   },
 695   {
 696     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
 697     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
 698     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
 699     GD_TYPE_SCROLLBAR_VERTICAL,
 700     GADGET_ID_SCROLL_LIST_VERTICAL,
 701     "scroll element list vertically"
 702   }
 703 };
 704
 705 static struct
 706 {
 707   int x, y;
 708   int gadget_id;
 709   int radio_button_nr;
 710   int *value;
 711   int checked_value;
 712   char *text, *infotext;
 713 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
 714 {
 715   {
 716     ED_SETTINGS_XPOS + 160,             ED_COUNTER2_YPOS(8),
 717     GADGET_ID_RANDOM_PERCENTAGE,
 718     RADIO_NR_RANDOM_ELEMENTS,
 719     &random_placement_method,           RANDOM_USE_PERCENTAGE,
 720     "percentage",                       "use percentage for random elements"
 721   },
 722   {
 723     ED_SETTINGS_XPOS + 340,             ED_COUNTER2_YPOS(8),
 724     GADGET_ID_RANDOM_QUANTITY,
 725     RADIO_NR_RANDOM_ELEMENTS,
 726     &random_placement_method,           RANDOM_USE_QUANTITY,
 727     "quantity",                         "use quantity for random elements"
 728   }
 729 };
 730
 731 static struct
 732 {
 733   int x, y;
 734   int gadget_id;
 735   boolean *value;
 736   char *text, *infotext;
 737 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
 738 {
 739   {
 740     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(6) - MINI_TILEY,
 741     GADGET_ID_DOUBLE_SPEED,
 742     &level.double_speed,
 743     "double speed movement",            "set movement speed of player"
 744   },
 745   {
 746     ED_SETTINGS_XPOS + 340,             ED_COUNTER_YPOS(6) - MINI_TILEY,
 747     GADGET_ID_GRAVITY,
 748     &level.gravity,
 749     "gravity",                          "set level gravity"
 750   },
 751   {
 752     ED_SETTINGS_XPOS,                   ED_COUNTER2_YPOS(9) - MINI_TILEY,
 753     GADGET_ID_RANDOM_RESTRICTED,
 754     &random_placement_background_restricted,
 755     "restrict random placement to",     "set random placement restriction"
 756   },
 757   {
 758     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 759     GADGET_ID_STICK_ELEMENT,
 760     &stick_element_properties_window,
 761     "stick window to edit content",     "stick window to edit content"
 762   },
 763   {
 764     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 765     GADGET_ID_EM_SLIPPERY_GEMS,
 766     &level.em_slippery_gems,
 767     "slip down from certain flat walls","use EM style slipping behaviour"
 768   },
 769   {
 770     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(10),
 771     GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 772     &custom_element_properties[0].indestructible,
 773     "indestructible",                   "element cannot be destroyed"
 774   },
 775   {
 776     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(11),
 777     GADGET_ID_CUSTOM_CAN_FALL,
 778     &custom_element_properties[0].can_fall,
 779     "can fall",                         "element can fall down"
 780   },
 781   {
 782     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(12),
 783     GADGET_ID_CUSTOM_CAN_SMASH,
 784     &custom_element_properties[0].can_smash,
 785     "can smash",                        "element can smash other elements"
 786   },
 787   {
 788     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(13),
 789     GADGET_ID_CUSTOM_PUSHABLE,
 790     &custom_element_properties[0].pushable,
 791     "pushable",                         "element can be pushed"
 792   },
 793   {
 794     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(14),
 795     GADGET_ID_CUSTOM_SLIPPERY,
 796     &custom_element_properties[0].slippery,
 797     "slippery",                         "other elements can fall down from it"
 798   }
 799 };
 800
 801 /* maximal size of level editor drawing area */
 802 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 803 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 804
 805 /* actual size of level editor drawing area */
 806 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
 807
 808 /* actual position of level editor drawing area in level playfield */
 809 static int level_xpos = -1, level_ypos = -1;
 810
 811 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
 812
 813 /* drawing elements on the three mouse buttons */
 814 static int new_element1 = EL_WALL;
 815 static int new_element2 = EL_EMPTY;
 816 static int new_element3 = EL_SAND;
 817
 818 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
 819                                 (button) == 2 ? new_element2 : \
 820                                 (button) == 3 ? new_element3 : EL_EMPTY)
 821 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
 822
 823 /* forward declaration for internal use */
 824 static void ModifyEditorCounter(int, int);
 825 static void ModifyEditorCounterLimits(int, int, int);
 826 static void DrawDrawingWindow();
 827 static void DrawLevelInfoWindow();
 828 static void DrawPropertiesWindow();
 829 static void CopyLevelToUndoBuffer(int);
 830 static void HandleDrawingAreas(struct GadgetInfo *);
 831 static void HandleCounterButtons(struct GadgetInfo *);
 832 static void HandleTextInputGadgets(struct GadgetInfo *);
 833 static void HandleSelectboxGadgets(struct GadgetInfo *);
 834 static void HandleRadiobuttons(struct GadgetInfo *);
 835 static void HandleCheckbuttons(struct GadgetInfo *);
 836 static void HandleControlButtons(struct GadgetInfo *);
 837 static void HandleDrawingAreaInfo(struct GadgetInfo *);
 838
 839 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
 840
 841 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
 842 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
 843 static boolean draw_with_brush = FALSE;
 844 static int properties_element = 0;
 845
 846 static short ElementContent[MAX_ELEMENT_CONTENTS][3][3];
 847 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
 848 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
 849 static int undo_buffer_position = 0;
 850 static int undo_buffer_steps = 0;
 851
 852 static int edit_mode;
 853
 854 static int element_shift = 0;
 855
 856 static int editor_el_boulderdash[] =
 857 {
 858   EL_CHAR('B'),
 859   EL_CHAR('O'),
 860   EL_CHAR('U'),
 861   EL_CHAR('L'),
 862
 863   EL_CHAR('-'),
 864   EL_CHAR('D'),
 865   EL_CHAR('E'),
 866   EL_CHAR('R'),
 867
 868   EL_CHAR('D'),
 869   EL_CHAR('A'),
 870   EL_CHAR('S'),
 871   EL_CHAR('H'),
 872
 873   EL_PLAYER_1,
 874   EL_EMPTY,
 875   EL_SAND,
 876   EL_STEELWALL,
 877
 878   EL_BD_WALL,
 879   EL_BD_MAGIC_WALL,
 880   EL_EXIT_CLOSED,
 881   EL_EXIT_OPEN,
 882
 883   EL_BD_DIAMOND,
 884   EL_BD_BUTTERFLY_UP,
 885   EL_BD_FIREFLY_UP,
 886   EL_BD_ROCK,
 887
 888   EL_BD_BUTTERFLY_LEFT,
 889   EL_BD_FIREFLY_LEFT,
 890   EL_BD_BUTTERFLY_RIGHT,
 891   EL_BD_FIREFLY_RIGHT,
 892
 893   EL_BD_AMOEBA,
 894   EL_BD_BUTTERFLY_DOWN,
 895   EL_BD_FIREFLY_DOWN,
 896   EL_EMPTY,
 897 };
 898 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
 899
 900 static int editor_el_emerald_mine[] =
 901 {
 902   EL_CHAR('E'),
 903   EL_CHAR('M'),
 904   EL_CHAR('E'),
 905   EL_CHAR('-'),
 906
 907   EL_CHAR('R'),
 908   EL_CHAR('A'),
 909   EL_CHAR('L'),
 910   EL_CHAR('D'),
 911
 912   EL_CHAR('M'),
 913   EL_CHAR('I'),
 914   EL_CHAR('N'),
 915   EL_CHAR('E'),
 916
 917   EL_PLAYER_1,
 918   EL_PLAYER_2,
 919   EL_PLAYER_3,
 920   EL_PLAYER_4,
 921
 922   EL_PLAYER_1,
 923   EL_EMPTY,
 924   EL_SAND,
 925   EL_ROCK,
 926
 927   EL_STEELWALL,
 928   EL_WALL,
 929   EL_WALL_CRUMBLED,
 930   EL_MAGIC_WALL,
 931
 932   EL_EMERALD,
 933   EL_DIAMOND,
 934   EL_NUT,
 935   EL_BOMB,
 936
 937   EL_WALL_EMERALD,
 938   EL_WALL_DIAMOND,
 939   EL_QUICKSAND_EMPTY,
 940   EL_QUICKSAND_FULL,
 941
 942   EL_DYNAMITE,
 943   EL_DYNAMITE_ACTIVE,
 944   EL_EXIT_CLOSED,
 945   EL_EXIT_OPEN,
 946
 947   EL_YAMYAM,
 948   EL_BUG_UP,
 949   EL_SPACESHIP_UP,
 950   EL_ROBOT,
 951
 952   EL_BUG_LEFT,
 953   EL_SPACESHIP_LEFT,
 954   EL_BUG_RIGHT,
 955   EL_SPACESHIP_RIGHT,
 956
 957   EL_ROBOT_WHEEL,
 958   EL_BUG_DOWN,
 959   EL_SPACESHIP_DOWN,
 960   EL_INVISIBLE_WALL,
 961
 962   EL_ACID_POOL_TOPLEFT,
 963   EL_ACID,
 964   EL_ACID_POOL_TOPRIGHT,
 965   EL_EMPTY,
 966
 967   EL_ACID_POOL_BOTTOMLEFT,
 968   EL_ACID_POOL_BOTTOM,
 969   EL_ACID_POOL_BOTTOMRIGHT,
 970   EL_EMPTY,
 971
 972   EL_AMOEBA_DROP,
 973   EL_AMOEBA_DEAD,
 974   EL_AMOEBA_WET,
 975   EL_AMOEBA_DRY,
 976
 977   EL_EM_KEY_1_FILE,
 978   EL_EM_KEY_2_FILE,
 979   EL_EM_KEY_3_FILE,
 980   EL_EM_KEY_4_FILE,
 981
 982   EL_EM_GATE_1,
 983   EL_EM_GATE_2,
 984   EL_EM_GATE_3,
 985   EL_EM_GATE_4,
 986
 987   EL_EM_GATE_1_GRAY,
 988   EL_EM_GATE_2_GRAY,
 989   EL_EM_GATE_3_GRAY,
 990   EL_EM_GATE_4_GRAY,
 991 };
 992 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
 993
 994 static int editor_el_more[] =
 995 {
 996   EL_CHAR('M'),
 997   EL_CHAR('O'),
 998   EL_CHAR('R'),
 999   EL_CHAR('E'),
1000
1001   EL_KEY_1,
1002   EL_KEY_2,
1003   EL_KEY_3,
1004   EL_KEY_4,
1005
1006   EL_GATE_1,
1007   EL_GATE_2,
1008   EL_GATE_3,
1009   EL_GATE_4,
1010
1011   EL_GATE_1_GRAY,
1012   EL_GATE_2_GRAY,
1013   EL_GATE_3_GRAY,
1014   EL_GATE_4_GRAY,
1015
1016   EL_ARROW_LEFT,
1017   EL_ARROW_RIGHT,
1018   EL_ARROW_UP,
1019   EL_ARROW_DOWN,
1020
1021   EL_AMOEBA_FULL,
1022   EL_EMERALD_YELLOW,
1023   EL_EMERALD_RED,
1024   EL_EMERALD_PURPLE,
1025
1026   EL_WALL_BD_DIAMOND,
1027   EL_WALL_EMERALD_YELLOW,
1028   EL_WALL_EMERALD_RED,
1029   EL_WALL_EMERALD_PURPLE,
1030
1031   EL_GAME_OF_LIFE,
1032   EL_PACMAN_UP,
1033   EL_TIME_ORB_FULL,
1034   EL_TIME_ORB_EMPTY,
1035
1036   EL_PACMAN_LEFT,
1037   EL_DARK_YAMYAM,
1038   EL_PACMAN_RIGHT,
1039   EL_EXPANDABLE_WALL,
1040
1041   EL_BIOMAZE,
1042   EL_PACMAN_DOWN,
1043   EL_LAMP,
1044   EL_LAMP_ACTIVE,
1045
1046   EL_DYNABOMB_INCREASE_NUMBER,
1047   EL_DYNABOMB_INCREASE_SIZE,
1048   EL_DYNABOMB_INCREASE_POWER,
1049   EL_STONEBLOCK,
1050
1051   EL_MOLE,
1052   EL_PENGUIN,
1053   EL_PIG,
1054   EL_DRAGON,
1055
1056   EL_EMPTY,
1057   EL_MOLE_UP,
1058   EL_EMPTY,
1059   EL_EMPTY,
1060
1061   EL_MOLE_LEFT,
1062   EL_EMPTY,
1063   EL_MOLE_RIGHT,
1064   EL_EMPTY,
1065
1066   EL_EMPTY,
1067   EL_MOLE_DOWN,
1068   EL_BALLOON,
1069   EL_BALLOON_SWITCH_ANY,
1070
1071   EL_BALLOON_SWITCH_LEFT,
1072   EL_BALLOON_SWITCH_RIGHT,
1073   EL_BALLOON_SWITCH_UP,
1074   EL_BALLOON_SWITCH_DOWN,
1075
1076   EL_SATELLITE,
1077   EL_EXPANDABLE_WALL_HORIZONTAL,
1078   EL_EXPANDABLE_WALL_VERTICAL,
1079   EL_EXPANDABLE_WALL_ANY,
1080
1081   EL_INVISIBLE_STEELWALL,
1082   EL_INVISIBLE_WALL,
1083   EL_SPEED_PILL,
1084   EL_BLACK_ORB,
1085
1086   EL_EMC_STEELWALL_1,
1087   EL_EMC_WALL_1,
1088   EL_EMC_WALL_2,
1089   EL_EMC_WALL_3,
1090
1091   EL_EMC_WALL_4,
1092   EL_EMC_WALL_5,
1093   EL_EMC_WALL_6,
1094   EL_EMC_WALL_7,
1095 };
1096 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1097
1098 static int editor_el_sokoban[] =
1099 {
1100   EL_CHAR('S'),
1101   EL_CHAR('O'),
1102   EL_CHAR('K'),
1103   EL_CHAR('O'),
1104
1105   EL_CHAR('-'),
1106   EL_CHAR('B'),
1107   EL_CHAR('A'),
1108   EL_CHAR('N'),
1109
1110   EL_SOKOBAN_OBJECT,
1111   EL_SOKOBAN_FIELD_EMPTY,
1112   EL_SOKOBAN_FIELD_FULL,
1113   EL_STEELWALL,
1114 };
1115 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1116
1117 static int editor_el_supaplex[] =
1118 {
1119   EL_CHAR('S'),
1120   EL_CHAR('U'),
1121   EL_CHAR('P'),
1122   EL_CHAR('A'),
1123
1124   EL_CHAR('P'),
1125   EL_CHAR('L'),
1126   EL_CHAR('E'),
1127   EL_CHAR('X'),
1128
1129   EL_SP_EMPTY,
1130   EL_SP_ZONK,
1131   EL_SP_BASE,
1132   EL_SP_MURPHY,
1133
1134   EL_SP_INFOTRON,
1135   EL_SP_CHIP_SINGLE,
1136   EL_SP_HARDWARE_GRAY,
1137   EL_SP_EXIT_CLOSED,
1138
1139   EL_SP_DISK_ORANGE,
1140   EL_SP_PORT_RIGHT,
1141   EL_SP_PORT_DOWN,
1142   EL_SP_PORT_LEFT,
1143
1144   EL_SP_PORT_UP,
1145   EL_SP_GRAVITY_PORT_RIGHT,
1146   EL_SP_GRAVITY_PORT_DOWN,
1147   EL_SP_GRAVITY_PORT_LEFT,
1148
1149   EL_SP_GRAVITY_PORT_UP,
1150   EL_SP_SNIKSNAK,
1151   EL_SP_DISK_YELLOW,
1152   EL_SP_TERMINAL,
1153
1154   EL_SP_DISK_RED,
1155   EL_SP_PORT_VERTICAL,
1156   EL_SP_PORT_HORIZONTAL,
1157   EL_SP_PORT_ANY,
1158
1159   EL_SP_ELECTRON,
1160   EL_SP_BUGGY_BASE,
1161   EL_SP_CHIP_LEFT,
1162   EL_SP_CHIP_RIGHT,
1163
1164   EL_SP_HARDWARE_BASE_1,
1165   EL_SP_HARDWARE_GREEN,
1166   EL_SP_HARDWARE_BLUE,
1167   EL_SP_HARDWARE_RED,
1168
1169   EL_SP_HARDWARE_YELLOW,
1170   EL_SP_HARDWARE_BASE_2,
1171   EL_SP_HARDWARE_BASE_3,
1172   EL_SP_HARDWARE_BASE_4,
1173
1174   EL_SP_HARDWARE_BASE_5,
1175   EL_SP_HARDWARE_BASE_6,
1176   EL_SP_CHIP_TOP,
1177   EL_SP_CHIP_BOTTOM,
1178 };
1179 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1180
1181 static int editor_el_diamond_caves[] =
1182 {
1183   EL_CHAR('D'),
1184   EL_CHAR('I'),
1185   EL_CHAR('A'),
1186   EL_CHAR('-'),
1187
1188   EL_CHAR('M'),
1189   EL_CHAR('O'),
1190   EL_CHAR('N'),
1191   EL_CHAR('D'),
1192
1193   EL_CHAR('C'),
1194   EL_CHAR('A'),
1195   EL_CHAR('V'),
1196   EL_CHAR('E'),
1197
1198   EL_CHAR('S'),
1199   EL_CHAR(' '),
1200   EL_CHAR('I'),
1201   EL_CHAR('I'),
1202
1203   EL_PEARL,
1204   EL_CRYSTAL,
1205   EL_WALL_PEARL,
1206   EL_WALL_CRYSTAL,
1207
1208   EL_CONVEYOR_BELT_1_LEFT,
1209   EL_CONVEYOR_BELT_1_MIDDLE,
1210   EL_CONVEYOR_BELT_1_RIGHT,
1211   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1212
1213   EL_CONVEYOR_BELT_2_LEFT,
1214   EL_CONVEYOR_BELT_2_MIDDLE,
1215   EL_CONVEYOR_BELT_2_RIGHT,
1216   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1217
1218   EL_CONVEYOR_BELT_3_LEFT,
1219   EL_CONVEYOR_BELT_3_MIDDLE,
1220   EL_CONVEYOR_BELT_3_RIGHT,
1221   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1222
1223   EL_CONVEYOR_BELT_4_LEFT,
1224   EL_CONVEYOR_BELT_4_MIDDLE,
1225   EL_CONVEYOR_BELT_4_RIGHT,
1226   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1227
1228   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1229   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1230   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1231   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1232
1233   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1234   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1235   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1236   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1237
1238   EL_SWITCHGATE_OPEN,
1239   EL_SWITCHGATE_CLOSED,
1240   EL_SWITCHGATE_SWITCH_UP,
1241   EL_ENVELOPE,
1242
1243   EL_TIMEGATE_CLOSED,
1244   EL_TIMEGATE_OPEN,
1245   EL_TIMEGATE_SWITCH,
1246   EL_EMPTY,
1247
1248   EL_LANDMINE,
1249   EL_INVISIBLE_SAND,
1250   EL_STEELWALL_SLANTED,
1251   EL_EMPTY,
1252
1253   EL_SIGN_EXCLAMATION,
1254   EL_SIGN_STOP,
1255   EL_LIGHT_SWITCH,
1256   EL_LIGHT_SWITCH_ACTIVE,
1257
1258   EL_SHIELD_NORMAL,
1259   EL_SHIELD_DEADLY,
1260   EL_EXTRA_TIME,
1261   EL_EMPTY,
1262 };
1263 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1264
1265 static int editor_el_dx_boulderdash[] =
1266 {
1267   EL_CHAR('D'),
1268   EL_CHAR('X'),
1269   EL_CHAR('-'),
1270   EL_CHAR(' '),
1271
1272   EL_CHAR('B'),
1273   EL_CHAR('O'),
1274   EL_CHAR('U'),
1275   EL_CHAR('L'),
1276
1277   EL_CHAR('-'),
1278   EL_CHAR('D'),
1279   EL_CHAR('E'),
1280   EL_CHAR('R'),
1281
1282   EL_CHAR('D'),
1283   EL_CHAR('A'),
1284   EL_CHAR('S'),
1285   EL_CHAR('H'),
1286
1287   EL_SPRING,
1288   EL_TUBE_RIGHT_DOWN,
1289   EL_TUBE_HORIZONTAL_DOWN,
1290   EL_TUBE_LEFT_DOWN,
1291
1292   EL_TUBE_HORIZONTAL,
1293   EL_TUBE_VERTICAL_RIGHT,
1294   EL_TUBE_ANY,
1295   EL_TUBE_VERTICAL_LEFT,
1296
1297   EL_TUBE_VERTICAL,
1298   EL_TUBE_RIGHT_UP,
1299   EL_TUBE_HORIZONTAL_UP,
1300   EL_TUBE_LEFT_UP,
1301
1302   EL_TRAP,
1303   EL_DX_SUPABOMB,
1304   EL_EMPTY,
1305   EL_EMPTY
1306 };
1307 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
1308
1309 static int editor_el_chars[] =
1310 {
1311   EL_CHAR('T'),
1312   EL_CHAR('E'),
1313   EL_CHAR('X'),
1314   EL_CHAR('T'),
1315
1316   EL_CHAR(' '),
1317   EL_CHAR('!'),
1318   EL_CHAR('"'),
1319   EL_CHAR('#'),
1320
1321   EL_CHAR('$'),
1322   EL_CHAR('%'),
1323   EL_CHAR('&'),
1324   EL_CHAR('\''),
1325
1326   EL_CHAR('('),
1327   EL_CHAR(')'),
1328   EL_CHAR('*'),
1329   EL_CHAR('+'),
1330
1331   EL_CHAR(','),
1332   EL_CHAR('-'),
1333   EL_CHAR('.'),
1334   EL_CHAR('/'),
1335
1336   EL_CHAR('0'),
1337   EL_CHAR('1'),
1338   EL_CHAR('2'),
1339   EL_CHAR('3'),
1340
1341   EL_CHAR('4'),
1342   EL_CHAR('5'),
1343   EL_CHAR('6'),
1344   EL_CHAR('7'),
1345
1346   EL_CHAR('8'),
1347   EL_CHAR('9'),
1348   EL_CHAR(':'),
1349   EL_CHAR(';'),
1350
1351   EL_CHAR('<'),
1352   EL_CHAR('='),
1353   EL_CHAR('>'),
1354   EL_CHAR('?'),
1355
1356   EL_CHAR('@'),
1357   EL_CHAR('A'),
1358   EL_CHAR('B'),
1359   EL_CHAR('C'),
1360
1361   EL_CHAR('D'),
1362   EL_CHAR('E'),
1363   EL_CHAR('F'),
1364   EL_CHAR('G'),
1365
1366   EL_CHAR('H'),
1367   EL_CHAR('I'),
1368   EL_CHAR('J'),
1369   EL_CHAR('K'),
1370
1371   EL_CHAR('L'),
1372   EL_CHAR('M'),
1373   EL_CHAR('N'),
1374   EL_CHAR('O'),
1375
1376   EL_CHAR('P'),
1377   EL_CHAR('Q'),
1378   EL_CHAR('R'),
1379   EL_CHAR('S'),
1380
1381   EL_CHAR('T'),
1382   EL_CHAR('U'),
1383   EL_CHAR('V'),
1384   EL_CHAR('W'),
1385
1386   EL_CHAR('X'),
1387   EL_CHAR('Y'),
1388   EL_CHAR('Z'),
1389   EL_CHAR('['),
1390
1391   EL_CHAR('\\'),
1392   EL_CHAR(']'),
1393   EL_CHAR('^'),
1394   EL_CHAR('_'),
1395
1396   EL_CHAR('©'),
1397   EL_CHAR('Ä'),
1398   EL_CHAR('Ö'),
1399   EL_CHAR('Ü'),
1400
1401   EL_CHAR('°'),
1402   EL_CHAR('®'),
1403   EL_CHAR(FONT_ASCII_CURSOR),
1404   EL_CHAR(' ')
1405 };
1406 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
1407
1408 static int editor_el_custom[] =
1409 {
1410   EL_CHAR('C'),
1411   EL_CHAR('U'),
1412   EL_CHAR('S'),
1413   EL_CHAR('-'),
1414
1415   EL_CHAR('T'),
1416   EL_CHAR('O'),
1417   EL_CHAR('M'),
1418   EL_CHAR(' '),
1419
1420   EL_CHAR('E'),
1421   EL_CHAR('L'),
1422   EL_CHAR('E'),
1423   EL_CHAR('M'),
1424
1425   EL_CHAR('E'),
1426   EL_CHAR('N'),
1427   EL_CHAR('T'),
1428   EL_CHAR('S'),
1429
1430   EL_CUSTOM_START + 0,
1431   EL_CUSTOM_START + 1,
1432   EL_CUSTOM_START + 2,
1433   EL_CUSTOM_START + 3,
1434
1435   EL_CUSTOM_START + 4,
1436   EL_CUSTOM_START + 5,
1437   EL_CUSTOM_START + 6,
1438   EL_CUSTOM_START + 7,
1439
1440   EL_CUSTOM_START + 8,
1441   EL_CUSTOM_START + 9,
1442   EL_CUSTOM_START + 10,
1443   EL_CUSTOM_START + 11,
1444
1445   EL_CUSTOM_START + 12,
1446   EL_CUSTOM_START + 13,
1447   EL_CUSTOM_START + 14,
1448   EL_CUSTOM_START + 15,
1449
1450   EL_CUSTOM_START + 16,
1451   EL_CUSTOM_START + 17,
1452   EL_CUSTOM_START + 18,
1453   EL_CUSTOM_START + 19,
1454
1455   EL_CUSTOM_START + 20,
1456   EL_CUSTOM_START + 21,
1457   EL_CUSTOM_START + 22,
1458   EL_CUSTOM_START + 23,
1459
1460   EL_CUSTOM_START + 24,
1461   EL_CUSTOM_START + 25,
1462   EL_CUSTOM_START + 26,
1463   EL_CUSTOM_START + 27,
1464
1465   EL_CUSTOM_START + 28,
1466   EL_CUSTOM_START + 29,
1467   EL_CUSTOM_START + 30,
1468   EL_CUSTOM_START + 31,
1469
1470   EL_CUSTOM_START + 32,
1471   EL_CUSTOM_START + 33,
1472   EL_CUSTOM_START + 34,
1473   EL_CUSTOM_START + 35,
1474
1475   EL_CUSTOM_START + 36,
1476   EL_CUSTOM_START + 37,
1477   EL_CUSTOM_START + 38,
1478   EL_CUSTOM_START + 39,
1479
1480   EL_CUSTOM_START + 40,
1481   EL_CUSTOM_START + 41,
1482   EL_CUSTOM_START + 42,
1483   EL_CUSTOM_START + 43,
1484
1485   EL_CUSTOM_START + 44,
1486   EL_CUSTOM_START + 45,
1487   EL_CUSTOM_START + 46,
1488   EL_CUSTOM_START + 47,
1489
1490   EL_CUSTOM_START + 48,
1491   EL_CUSTOM_START + 49,
1492   EL_CUSTOM_START + 50,
1493   EL_CUSTOM_START + 51,
1494
1495   EL_CUSTOM_START + 52,
1496   EL_CUSTOM_START + 53,
1497   EL_CUSTOM_START + 54,
1498   EL_CUSTOM_START + 55,
1499
1500   EL_CUSTOM_START + 56,
1501   EL_CUSTOM_START + 57,
1502   EL_CUSTOM_START + 58,
1503   EL_CUSTOM_START + 59,
1504
1505   EL_CUSTOM_START + 60,
1506   EL_CUSTOM_START + 61,
1507   EL_CUSTOM_START + 62,
1508   EL_CUSTOM_START + 63,
1509
1510   EL_CUSTOM_START + 64,
1511   EL_CUSTOM_START + 65,
1512   EL_CUSTOM_START + 66,
1513   EL_CUSTOM_START + 67,
1514
1515   EL_CUSTOM_START + 68,
1516   EL_CUSTOM_START + 69,
1517   EL_CUSTOM_START + 70,
1518   EL_CUSTOM_START + 71,
1519
1520   EL_CUSTOM_START + 72,
1521   EL_CUSTOM_START + 73,
1522   EL_CUSTOM_START + 74,
1523   EL_CUSTOM_START + 75,
1524
1525   EL_CUSTOM_START + 76,
1526   EL_CUSTOM_START + 77,
1527   EL_CUSTOM_START + 78,
1528   EL_CUSTOM_START + 79,
1529
1530   EL_CUSTOM_START + 80,
1531   EL_CUSTOM_START + 81,
1532   EL_CUSTOM_START + 82,
1533   EL_CUSTOM_START + 83,
1534
1535   EL_CUSTOM_START + 84,
1536   EL_CUSTOM_START + 85,
1537   EL_CUSTOM_START + 86,
1538   EL_CUSTOM_START + 87,
1539
1540   EL_CUSTOM_START + 88,
1541   EL_CUSTOM_START + 89,
1542   EL_CUSTOM_START + 90,
1543   EL_CUSTOM_START + 91,
1544
1545   EL_CUSTOM_START + 92,
1546   EL_CUSTOM_START + 93,
1547   EL_CUSTOM_START + 94,
1548   EL_CUSTOM_START + 95,
1549
1550   EL_CUSTOM_START + 96,
1551   EL_CUSTOM_START + 97,
1552   EL_CUSTOM_START + 98,
1553   EL_CUSTOM_START + 99,
1554
1555   EL_CUSTOM_START + 100,
1556   EL_CUSTOM_START + 101,
1557   EL_CUSTOM_START + 102,
1558   EL_CUSTOM_START + 103,
1559
1560   EL_CUSTOM_START + 104,
1561   EL_CUSTOM_START + 105,
1562   EL_CUSTOM_START + 106,
1563   EL_CUSTOM_START + 107,
1564
1565   EL_CUSTOM_START + 108,
1566   EL_CUSTOM_START + 109,
1567   EL_CUSTOM_START + 110,
1568   EL_CUSTOM_START + 111,
1569
1570   EL_CUSTOM_START + 112,
1571   EL_CUSTOM_START + 113,
1572   EL_CUSTOM_START + 114,
1573   EL_CUSTOM_START + 115,
1574
1575   EL_CUSTOM_START + 116,
1576   EL_CUSTOM_START + 117,
1577   EL_CUSTOM_START + 118,
1578   EL_CUSTOM_START + 119,
1579
1580   EL_CUSTOM_START + 120,
1581   EL_CUSTOM_START + 121,
1582   EL_CUSTOM_START + 122,
1583   EL_CUSTOM_START + 123,
1584
1585   EL_CUSTOM_START + 124,
1586   EL_CUSTOM_START + 125,
1587   EL_CUSTOM_START + 126,
1588   EL_CUSTOM_START + 127
1589 };
1590 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
1591
1592 static int *editor_elements = NULL;     /* dynamically allocated */
1593 static int num_editor_elements = 0;     /* dynamically determined */
1594
1595 static struct
1596 {
1597   boolean *setup_value;
1598   int *element_list;
1599   int *element_list_size;
1600
1601   boolean last_setup_value;
1602 }
1603 editor_elements_info[] =
1604 {
1605   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
1606     &num_editor_el_boulderdash                                          },
1607   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
1608     &num_editor_el_emerald_mine                                         },
1609   { &setup.editor.el_more,              editor_el_more,
1610     &num_editor_el_more                                                 },
1611   { &setup.editor.el_sokoban,           editor_el_sokoban,
1612     &num_editor_el_sokoban                                              },
1613   { &setup.editor.el_supaplex,          editor_el_supaplex,
1614     &num_editor_el_supaplex                                             },
1615   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
1616     &num_editor_el_diamond_caves                                        },
1617   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
1618     &num_editor_el_dx_boulderdash                                       },
1619   { &setup.editor.el_chars,             editor_el_chars,
1620     &num_editor_el_chars                                                },
1621   { &setup.editor.el_custom,            editor_el_custom,
1622     &num_editor_el_custom                                               },
1623   { NULL,                               NULL,
1624     NULL                                                                }
1625 };
1626
1627 static void ReinitializeElementList()
1628 {
1629   int pos = 0;
1630   int i, j;
1631
1632   if (editor_elements != NULL)
1633     free(editor_elements);
1634
1635   num_editor_elements = 0;
1636
1637   /* determine size of element list */
1638   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1639     if (*editor_elements_info[i].setup_value)
1640       num_editor_elements += *editor_elements_info[i].element_list_size;
1641
1642   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
1643   {
1644     /* workaround: offer at least as many elements as element buttons exist */
1645     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
1646
1647     *editor_elements_info[list_nr].setup_value = TRUE;
1648     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
1649   }
1650
1651   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
1652
1653   /* fill element list */
1654   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1655     if (*editor_elements_info[i].setup_value)
1656       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
1657         editor_elements[pos++] = editor_elements_info[i].element_list[j];
1658 }
1659
1660 static void ReinitializeElementListButtons()
1661 {
1662   static boolean initialization_needed = TRUE;
1663   int i;
1664
1665   if (!initialization_needed)   /* check if editor element setup has changed */
1666     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1667       if (editor_elements_info[i].last_setup_value !=
1668           *editor_elements_info[i].setup_value)
1669         initialization_needed = TRUE;
1670
1671   if (!initialization_needed)
1672     return;
1673
1674   FreeLevelEditorGadgets();
1675   CreateLevelEditorGadgets();
1676
1677   /* store current setup values for next invocation of this function */
1678   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1679     editor_elements_info[i].last_setup_value =
1680       *editor_elements_info[i].setup_value;
1681
1682   initialization_needed = FALSE;
1683 }
1684
1685 static int getCounterGadgetWidth()
1686 {
1687   return (DXSIZE + getFontWidth(FONT_INPUT) - 2 * ED_GADGET_DISTANCE);
1688 }
1689
1690 static int getMaxInfoTextLength()
1691 {
1692   return (SXSIZE / getFontWidth(FONT_TEXT_2));
1693 }
1694
1695 static char *getElementInfoText(int element)
1696 {
1697   char *info_text = NULL;
1698
1699   if (element < NUM_FILE_ELEMENTS)
1700   {
1701     if (element_info[element].custom_description != NULL)
1702       info_text = element_info[element].custom_description;
1703     else if (element_info[element].editor_description != NULL)
1704       info_text = element_info[element].editor_description;
1705   }
1706
1707   if (info_text == NULL)
1708   {
1709     info_text = "unknown";
1710
1711     Error(ERR_WARN, "no element description for element %d", element);
1712   }
1713
1714   return info_text;
1715 }
1716
1717 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
1718 {
1719   int x,y;
1720   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
1721   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
1722
1723   BlitBitmap(drawto, drawto,
1724              SX + (dx == -1 ? MINI_TILEX : 0),
1725              SY + (dy == -1 ? MINI_TILEY : 0),
1726              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
1727              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
1728              SX + (dx == +1 ? MINI_TILEX : 0),
1729              SY + (dy == +1 ? MINI_TILEY : 0));
1730   if (dx)
1731   {
1732     x = (dx == 1 ? 0 : ed_fieldx - 1);
1733     for(y=0; y<ed_fieldy; y++)
1734       DrawMiniElementOrWall(x, y, from_x, from_y);
1735   }
1736   else if (dy)
1737   {
1738     y = (dy == 1 ? 0 : ed_fieldy - 1);
1739     for(x=0; x<ed_fieldx; x++)
1740       DrawMiniElementOrWall(x, y, from_x, from_y);
1741   }
1742
1743   redraw_mask |= REDRAW_FIELD;
1744   BackToFront();
1745 }
1746
1747 static void CreateControlButtons()
1748 {
1749   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
1750   struct GadgetInfo *gi;
1751   unsigned long event_mask;
1752   int i;
1753
1754   /* create toolbox buttons */
1755   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
1756   {
1757     int id = i;
1758     int width, height;
1759     int gd_xoffset, gd_yoffset;
1760     int gd_x1, gd_x2, gd_y1, gd_y2;
1761     int button_type;
1762     int radio_button_nr;
1763     boolean checked;
1764
1765     if (id == GADGET_ID_SINGLE_ITEMS ||
1766         id == GADGET_ID_CONNECTED_ITEMS ||
1767         id == GADGET_ID_LINE ||
1768         id == GADGET_ID_ARC ||
1769         id == GADGET_ID_TEXT ||
1770         id == GADGET_ID_RECTANGLE ||
1771         id == GADGET_ID_FILLED_BOX ||
1772         id == GADGET_ID_FLOOD_FILL ||
1773         id == GADGET_ID_GRAB_BRUSH ||
1774         id == GADGET_ID_PICK_ELEMENT)
1775     {
1776       button_type = GD_TYPE_RADIO_BUTTON;
1777       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
1778       checked = (id == drawing_function ? TRUE : FALSE);
1779       event_mask = GD_EVENT_PRESSED;
1780     }
1781     else
1782     {
1783       button_type = GD_TYPE_NORMAL_BUTTON;
1784       radio_button_nr = RADIO_NR_NONE;
1785       checked = FALSE;
1786
1787       if (id == GADGET_ID_WRAP_LEFT ||
1788           id == GADGET_ID_WRAP_RIGHT ||
1789           id == GADGET_ID_WRAP_UP ||
1790           id == GADGET_ID_WRAP_DOWN)
1791         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1792       else
1793         event_mask = GD_EVENT_RELEASED;
1794     }
1795
1796     if (id < ED_NUM_CTRL1_BUTTONS)
1797     {
1798       int x = i % ED_CTRL1_BUTTONS_HORIZ;
1799       int y = i / ED_CTRL1_BUTTONS_HORIZ;
1800
1801       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
1802       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
1803       width = ED_CTRL1_BUTTON_XSIZE;
1804       height = ED_CTRL1_BUTTON_YSIZE;
1805     }
1806     else
1807     {
1808       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
1809       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
1810
1811       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
1812       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
1813       width = ED_CTRL2_BUTTON_XSIZE;
1814       height = ED_CTRL2_BUTTON_YSIZE;
1815     }
1816
1817     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
1818     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
1819     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
1820     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
1821
1822     gi = CreateGadget(GDI_CUSTOM_ID, id,
1823                       GDI_CUSTOM_TYPE_ID, i,
1824                       GDI_INFO_TEXT, control_info[i].text,
1825                       GDI_X, EX + gd_xoffset,
1826                       GDI_Y, EY + gd_yoffset,
1827                       GDI_WIDTH, width,
1828                       GDI_HEIGHT, height,
1829                       GDI_TYPE, button_type,
1830                       GDI_STATE, GD_BUTTON_UNPRESSED,
1831                       GDI_RADIO_NR, radio_button_nr,
1832                       GDI_CHECKED, checked,
1833                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
1834                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
1835                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
1836                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
1837                       GDI_EVENT_MASK, event_mask,
1838                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1839                       GDI_CALLBACK_ACTION, HandleControlButtons,
1840                       GDI_END);
1841
1842     if (gi == NULL)
1843       Error(ERR_EXIT, "cannot create gadget");
1844
1845     level_editor_gadget[id] = gi;
1846   }
1847
1848   /* create buttons for scrolling of drawing area and element list */
1849   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
1850   {
1851     int id = scrollbutton_info[i].gadget_id;
1852     int x, y, width, height;
1853     int gd_x1, gd_x2, gd_y1, gd_y2;
1854
1855     x = scrollbutton_info[i].x;
1856     y = scrollbutton_info[i].y;
1857
1858     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1859
1860     if (id == GADGET_ID_SCROLL_LIST_UP ||
1861         id == GADGET_ID_SCROLL_LIST_DOWN)
1862     {
1863       x += DX;
1864       y += DY;
1865       width = ED_SCROLLBUTTON2_XSIZE;
1866       height = ED_SCROLLBUTTON2_YSIZE;
1867       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
1868       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
1869       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
1870       gd_y2 = gd_y1;
1871     }
1872     else
1873     {
1874       x += SX;
1875       y += SY;
1876       width = ED_SCROLLBUTTON_XSIZE;
1877       height = ED_SCROLLBUTTON_YSIZE;
1878       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
1879       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
1880       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
1881       gd_y2 = gd_y1;
1882     }
1883
1884     gi = CreateGadget(GDI_CUSTOM_ID, id,
1885                       GDI_CUSTOM_TYPE_ID, i,
1886                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
1887                       GDI_X, x,
1888                       GDI_Y, y,
1889                       GDI_WIDTH, width,
1890                       GDI_HEIGHT, height,
1891                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1892                       GDI_STATE, GD_BUTTON_UNPRESSED,
1893                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
1894                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
1895                       GDI_EVENT_MASK, event_mask,
1896                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1897                       GDI_CALLBACK_ACTION, HandleControlButtons,
1898                       GDI_END);
1899
1900     if (gi == NULL)
1901       Error(ERR_EXIT, "cannot create gadget");
1902
1903     level_editor_gadget[id] = gi;
1904   }
1905
1906   /* create buttons for element list */
1907   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
1908   {
1909     Bitmap *deco_bitmap;
1910     int deco_x, deco_y, deco_xpos, deco_ypos;
1911     int gd_xoffset, gd_yoffset;
1912     int gd_x1, gd_x2, gd_y;
1913     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
1914     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
1915     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
1916     int element = editor_elements[i];
1917
1918     event_mask = GD_EVENT_RELEASED;
1919
1920     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
1921     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
1922
1923     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
1924     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
1925     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
1926
1927     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
1928     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
1929     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
1930
1931     gi = CreateGadget(GDI_CUSTOM_ID, id,
1932                       GDI_CUSTOM_TYPE_ID, i,
1933                       GDI_INFO_TEXT, getElementInfoText(element),
1934                       GDI_X, DX + gd_xoffset,
1935                       GDI_Y, DY + gd_yoffset,
1936                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
1937                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
1938                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1939                       GDI_STATE, GD_BUTTON_UNPRESSED,
1940                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
1941                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
1942                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
1943                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
1944                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
1945                       GDI_DECORATION_SHIFTING, 1, 1,
1946                       GDI_EVENT_MASK, event_mask,
1947                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
1948                       GDI_CALLBACK_ACTION, HandleControlButtons,
1949                       GDI_END);
1950
1951     if (gi == NULL)
1952       Error(ERR_EXIT, "cannot create gadget");
1953
1954     level_editor_gadget[id] = gi;
1955   }
1956 }
1957
1958 static void CreateCounterButtons()
1959 {
1960   int max_infotext_len = getMaxInfoTextLength();
1961   int i;
1962
1963   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
1964   {
1965     int j;
1966     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
1967     int ypos = SY + counterbutton_info[i].y;
1968
1969     for (j=0; j<2; j++)
1970     {
1971       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
1972       struct GadgetInfo *gi;
1973       int id = (j == 0 ?
1974                 counterbutton_info[i].gadget_id_down :
1975                 counterbutton_info[i].gadget_id_up);
1976       int gd_xoffset;
1977       int gd_x, gd_x1, gd_x2, gd_y;
1978       int x_size, y_size;
1979       unsigned long event_mask;
1980       char infotext[max_infotext_len + 1];
1981
1982       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
1983
1984       if (i == ED_COUNTER_ID_SELECT_LEVEL)
1985       {
1986         int sid = (j == 0 ?
1987                    ED_SCROLLBUTTON_ID_AREA_LEFT :
1988                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
1989
1990         event_mask |= GD_EVENT_RELEASED;
1991
1992         if (j == 1)
1993           xpos += 2 * ED_GADGET_DISTANCE;
1994         ypos += ED_GADGET_DISTANCE;
1995
1996         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].xpos;
1997         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
1998         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].ypos;
1999         x_size = ED_SCROLLBUTTON_XSIZE;
2000         y_size = ED_SCROLLBUTTON_YSIZE;
2001       }
2002       else
2003       {
2004         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
2005         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2006         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2007         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
2008         x_size = ED_BUTTON_COUNT_XSIZE;
2009         y_size = ED_BUTTON_COUNT_YSIZE;
2010       }
2011
2012       sprintf(infotext, "%s counter value by 1, 5 or 10",
2013               (j == 0 ? "decrease" : "increase"));
2014
2015       gi = CreateGadget(GDI_CUSTOM_ID, id,
2016                         GDI_CUSTOM_TYPE_ID, i,
2017                         GDI_INFO_TEXT, infotext,
2018                         GDI_X, xpos,
2019                         GDI_Y, ypos,
2020                         GDI_WIDTH, x_size,
2021                         GDI_HEIGHT, y_size,
2022                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2023                         GDI_STATE, GD_BUTTON_UNPRESSED,
2024                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2025                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2026                         GDI_EVENT_MASK, event_mask,
2027                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2028                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2029                         GDI_END);
2030
2031       if (gi == NULL)
2032         Error(ERR_EXIT, "cannot create gadget");
2033
2034       level_editor_gadget[id] = gi;
2035       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
2036
2037       if (j == 0)
2038       {
2039         int font_type = FONT_INPUT;
2040         int gd_width = ED_WIN_COUNT_XSIZE;
2041
2042         id = counterbutton_info[i].gadget_id_text;
2043         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2044
2045         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2046         {
2047           font_type = FONT_LEVEL_NUMBER;
2048
2049           xpos += 2 * ED_GADGET_DISTANCE;
2050           ypos -= ED_GADGET_DISTANCE;
2051
2052           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2053           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2054           gd_width = ED_WIN_COUNT2_XSIZE;
2055         }
2056         else
2057         {
2058           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2059           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2060         }
2061
2062         gi = CreateGadget(GDI_CUSTOM_ID, id,
2063                           GDI_CUSTOM_TYPE_ID, i,
2064                           GDI_INFO_TEXT, "enter counter value",
2065                           GDI_X, xpos,
2066                           GDI_Y, ypos,
2067                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2068                           GDI_NUMBER_VALUE, 0,
2069                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2070                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2071                           GDI_TEXT_SIZE, 3,
2072                           GDI_TEXT_FONT, font_type,
2073                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2074                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2075                           GDI_BORDER_SIZE, ED_BORDER_SIZE,
2076                           GDI_TEXTINPUT_DESIGN_WIDTH, gd_width,
2077                           GDI_EVENT_MASK, event_mask,
2078                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2079                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2080                           GDI_END);
2081
2082         if (gi == NULL)
2083           Error(ERR_EXIT, "cannot create gadget");
2084
2085         level_editor_gadget[id] = gi;
2086         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
2087       }
2088     }
2089   }
2090 }
2091
2092 static void CreateDrawingAreas()
2093 {
2094   struct GadgetInfo *gi;
2095   unsigned long event_mask;
2096   int id;
2097   int i;
2098
2099   event_mask =
2100     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
2101     GD_EVENT_OFF_BORDERS;
2102
2103   /* one for the level drawing area ... */
2104   id = GADGET_ID_DRAWING_LEVEL;
2105   gi = CreateGadget(GDI_CUSTOM_ID, id,
2106                     GDI_X, SX,
2107                     GDI_Y, SY,
2108                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2109                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2110                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2111                     GDI_EVENT_MASK, event_mask,
2112                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2113                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2114                     GDI_END);
2115
2116   if (gi == NULL)
2117     Error(ERR_EXIT, "cannot create gadget");
2118
2119   level_editor_gadget[id] = gi;
2120
2121   /* ... up to eight areas for element content ... */
2122   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2123   {
2124     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
2125     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
2126
2127     id = GADGET_ID_ELEM_CONTENT_0 + i;
2128     gi = CreateGadget(GDI_CUSTOM_ID, id,
2129                       GDI_CUSTOM_TYPE_ID, i,
2130                       GDI_X, gx,
2131                       GDI_Y, gy,
2132                       GDI_WIDTH, 3 * MINI_TILEX,
2133                       GDI_HEIGHT, 3 * MINI_TILEY,
2134                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2135                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2136                       GDI_EVENT_MASK, event_mask,
2137                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2138                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2139                       GDI_END);
2140
2141     if (gi == NULL)
2142       Error(ERR_EXIT, "cannot create gadget");
2143
2144     level_editor_gadget[id] = gi;
2145   }
2146
2147   /* ... one for the amoeba content ... */
2148   id = GADGET_ID_AMOEBA_CONTENT;
2149   gi = CreateGadget(GDI_CUSTOM_ID, id,
2150                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2151                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2152                     GDI_WIDTH, MINI_TILEX,
2153                     GDI_HEIGHT, MINI_TILEY,
2154                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2155                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2156                     GDI_EVENT_MASK, event_mask,
2157                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2158                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2159                     GDI_END);
2160
2161   if (gi == NULL)
2162     Error(ERR_EXIT, "cannot create gadget");
2163
2164   level_editor_gadget[id] = gi;
2165
2166   /* ... one for each custom element change target element ... */
2167   id = GADGET_ID_CUSTOM_CHANGED;
2168   gi = CreateGadget(GDI_CUSTOM_ID, id,
2169                     GDI_X, SX + ED_AREA_ELEM_CONTENT2_XPOS,
2170                     GDI_Y, SY + ED_AREA_ELEM_CONTENT2_YPOS,
2171                     GDI_WIDTH, MINI_TILEX,
2172                     GDI_HEIGHT, MINI_TILEY,
2173                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2174                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2175                     GDI_EVENT_MASK, event_mask,
2176                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2177                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2178                     GDI_END);
2179
2180   if (gi == NULL)
2181     Error(ERR_EXIT, "cannot create gadget");
2182
2183   level_editor_gadget[id] = gi;
2184
2185   /* ... and one for random placement background restrictions */
2186
2187   id = GADGET_ID_RANDOM_BACKGROUND;
2188   gi = CreateGadget(GDI_CUSTOM_ID, id,
2189                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2190                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2191                     GDI_WIDTH, MINI_TILEX,
2192                     GDI_HEIGHT, MINI_TILEY,
2193                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2194                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2195                     GDI_EVENT_MASK, event_mask,
2196                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2197                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2198                     GDI_END);
2199
2200   if (gi == NULL)
2201     Error(ERR_EXIT, "cannot create gadget");
2202
2203   level_editor_gadget[id] = gi;
2204 }
2205
2206 static void CreateTextInputGadgets()
2207 {
2208   int max_infotext_len = getMaxInfoTextLength();
2209   int i;
2210
2211   for (i=0; i<ED_NUM_TEXTINPUT; i++)
2212   {
2213     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2214     int gd_x, gd_y;
2215     struct GadgetInfo *gi;
2216     unsigned long event_mask;
2217     char infotext[MAX_OUTPUT_LINESIZE + 1];
2218     int id = textinput_info[i].gadget_id;
2219
2220     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2221
2222     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2223     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2224
2225     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
2226     infotext[max_infotext_len] = '\0';
2227
2228     gi = CreateGadget(GDI_CUSTOM_ID, id,
2229                       GDI_CUSTOM_TYPE_ID, i,
2230                       GDI_INFO_TEXT, infotext,
2231                       GDI_X, SX + textinput_info[i].x,
2232                       GDI_Y, SY + textinput_info[i].y,
2233                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
2234                       GDI_TEXT_VALUE, textinput_info[i].value,
2235                       GDI_TEXT_SIZE, textinput_info[i].size,
2236                       GDI_TEXT_FONT, FONT_INPUT,
2237                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2238                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2239                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
2240                       GDI_TEXTINPUT_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2241                       GDI_EVENT_MASK, event_mask,
2242                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2243                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
2244                       GDI_END);
2245
2246     if (gi == NULL)
2247       Error(ERR_EXIT, "cannot create gadget");
2248
2249     level_editor_gadget[id] = gi;
2250   }
2251 }
2252
2253 static void CreateSelectboxGadgets()
2254 {
2255   int max_infotext_len = getMaxInfoTextLength();
2256   int i;
2257
2258   for (i=0; i<ED_NUM_SELECTBOX; i++)
2259   {
2260     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2261     int gd_x, gd_y;
2262     struct GadgetInfo *gi;
2263     unsigned long event_mask;
2264     char infotext[MAX_OUTPUT_LINESIZE + 1];
2265     int id = selectbox_info[i].gadget_id;
2266
2267     event_mask = GD_EVENT_RELEASED |
2268       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2269
2270     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
2271     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
2272
2273     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
2274     infotext[max_infotext_len] = '\0';
2275
2276     gi = CreateGadget(GDI_CUSTOM_ID, id,
2277                       GDI_CUSTOM_TYPE_ID, i,
2278                       GDI_INFO_TEXT, infotext,
2279                       GDI_X, SX + selectbox_info[i].x,
2280                       GDI_Y, SY + selectbox_info[i].y,
2281                       GDI_TYPE, GD_TYPE_SELECTBOX,
2282                       GDI_SELECTBOX_VALUES, selectbox_info[i].values,
2283                       GDI_SELECTBOX_INDEX, selectbox_info[i].index,
2284                       GDI_TEXT_SIZE, selectbox_info[i].size,
2285                       GDI_TEXT_FONT, FONT_INPUT,
2286                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2287                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2288                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
2289                       GDI_BORDER_SIZE_SELECTBUTTON, getFontHeight(FONT_INPUT),
2290                       GDI_TEXTINPUT_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2291                       GDI_EVENT_MASK, event_mask,
2292                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2293                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
2294                       GDI_END);
2295
2296     if (gi == NULL)
2297       Error(ERR_EXIT, "cannot create gadget");
2298
2299     level_editor_gadget[id] = gi;
2300   }
2301 }
2302
2303 static void CreateScrollbarGadgets()
2304 {
2305   int i;
2306
2307   for (i=0; i<ED_NUM_SCROLLBARS; i++)
2308   {
2309     int id = scrollbar_info[i].gadget_id;
2310     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2311     int gd_x1, gd_x2, gd_y1, gd_y2;
2312     struct GadgetInfo *gi;
2313     int items_max, items_visible, item_position;
2314     unsigned long event_mask;
2315
2316     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
2317     {
2318       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
2319       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
2320       item_position = 0;
2321     }
2322     else        /* drawing area scrollbars */
2323     {
2324       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
2325       {
2326         items_max = MAX(lev_fieldx + 2, ed_fieldx);
2327         items_visible = ed_fieldx;
2328         item_position = 0;
2329       }
2330       else
2331       {
2332         items_max = MAX(lev_fieldy + 2, ed_fieldy);
2333         items_visible = ed_fieldy;
2334         item_position = 0;
2335       }
2336     }
2337
2338     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2339
2340     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].xpos;
2341     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
2342                       scrollbar_info[i].height : scrollbar_info[i].width));
2343     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2344     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2345
2346     gi = CreateGadget(GDI_CUSTOM_ID, id,
2347                       GDI_CUSTOM_TYPE_ID, i,
2348                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2349                       GDI_X, scrollbar_info[i].x,
2350                       GDI_Y, scrollbar_info[i].y,
2351                       GDI_WIDTH, scrollbar_info[i].width,
2352                       GDI_HEIGHT, scrollbar_info[i].height,
2353                       GDI_TYPE, scrollbar_info[i].type,
2354                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2355                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2356                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2357                       GDI_STATE, GD_BUTTON_UNPRESSED,
2358                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2359                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2360                       GDI_BORDER_SIZE, ED_BORDER_SIZE,
2361                       GDI_EVENT_MASK, event_mask,
2362                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2363                       GDI_CALLBACK_ACTION, HandleControlButtons,
2364                       GDI_END);
2365
2366     if (gi == NULL)
2367       Error(ERR_EXIT, "cannot create gadget");
2368
2369     level_editor_gadget[id] = gi;
2370   }
2371 }
2372
2373 static void CreateCheckbuttonGadgets()
2374 {
2375   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2376   struct GadgetInfo *gi;
2377   unsigned long event_mask;
2378   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
2379   boolean checked;
2380   int i;
2381
2382   event_mask = GD_EVENT_PRESSED;
2383
2384   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2385   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2386   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
2387   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
2388   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
2389
2390   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
2391   {
2392     int id = radiobutton_info[i].gadget_id;
2393
2394     checked =
2395       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2396
2397     gi = CreateGadget(GDI_CUSTOM_ID, id,
2398                       GDI_CUSTOM_TYPE_ID, i,
2399                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
2400                       GDI_X, SX + radiobutton_info[i].x,
2401                       GDI_Y, SY + radiobutton_info[i].y,
2402                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2403                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2404                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
2405                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
2406                       GDI_CHECKED, checked,
2407                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2408                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2409                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2410                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2411                       GDI_EVENT_MASK, event_mask,
2412                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2413                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
2414                       GDI_END);
2415
2416     if (gi == NULL)
2417       Error(ERR_EXIT, "cannot create gadget");
2418
2419     level_editor_gadget[id] = gi;
2420   }
2421
2422   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
2423   {
2424     int id = checkbutton_info[i].gadget_id;
2425
2426     if (id == GADGET_ID_STICK_ELEMENT)
2427       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
2428     else
2429       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
2430
2431     gi = CreateGadget(GDI_CUSTOM_ID, id,
2432                       GDI_CUSTOM_TYPE_ID, i,
2433                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
2434                       GDI_X, SX + checkbutton_info[i].x,
2435                       GDI_Y, SY + checkbutton_info[i].y,
2436                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2437                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2438                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
2439                       GDI_CHECKED, *checkbutton_info[i].value,
2440                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2441                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2442                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2443                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2444                       GDI_EVENT_MASK, event_mask,
2445                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2446                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
2447                       GDI_END);
2448
2449     if (gi == NULL)
2450       Error(ERR_EXIT, "cannot create gadget");
2451
2452     level_editor_gadget[id] = gi;
2453   }
2454 }
2455
2456 void CreateLevelEditorGadgets()
2457 {
2458   int old_game_status = game_status;
2459
2460   /* setting 'game_status' is needed to get the right fonts for the editor */
2461   game_status = LEVELED;
2462
2463   ReinitializeElementList();
2464
2465   CreateControlButtons();
2466   CreateCounterButtons();
2467   CreateDrawingAreas();
2468   CreateTextInputGadgets();
2469   CreateSelectboxGadgets();
2470   CreateScrollbarGadgets();
2471   CreateCheckbuttonGadgets();
2472
2473   game_status = old_game_status;
2474 }
2475
2476 void FreeLevelEditorGadgets()
2477 {
2478   int i;
2479
2480   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2481     FreeGadget(level_editor_gadget[i]);
2482 }
2483
2484 static void MapCounterButtons(int id)
2485 {
2486   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
2487   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
2488   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
2489 }
2490
2491 static void MapControlButtons()
2492 {
2493   int counter_id;
2494   int i;
2495
2496   /* map toolbox buttons */
2497   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2498     MapGadget(level_editor_gadget[i]);
2499
2500   /* map buttons to select elements */
2501   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2502     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
2503   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
2504   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
2505   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
2506
2507   /* map buttons to select level */
2508   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
2509   ModifyEditorCounterLimits(counter_id,
2510                             leveldir_current->first_level,
2511                             leveldir_current->last_level);
2512   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2513   MapCounterButtons(counter_id);
2514 }
2515
2516 static void MapDrawingArea(int id)
2517 {
2518   MapGadget(level_editor_gadget[id]);
2519 }
2520
2521 static void MapTextInputGadget(int id)
2522 {
2523   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
2524 }
2525
2526 static void MapSelectboxGadget(int id)
2527 {
2528   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
2529 }
2530
2531 static void MapRadiobuttonGadget(int id)
2532 {
2533   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
2534 }
2535
2536 static void MapCheckbuttonGadget(int id)
2537 {
2538   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
2539 }
2540
2541 static void MapMainDrawingArea()
2542 {
2543   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
2544   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
2545   int i;
2546
2547   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
2548   {
2549     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
2550           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
2551          no_horizontal_scrollbar) ||
2552         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
2553           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
2554          no_vertical_scrollbar))
2555       continue;
2556
2557     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
2558   }
2559
2560   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
2561   {
2562     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
2563         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
2564       continue;
2565
2566     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
2567   }
2568
2569   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
2570 }
2571
2572 static void UnmapDrawingArea(int id)
2573 {
2574   UnmapGadget(level_editor_gadget[id]);
2575 }
2576
2577 void UnmapLevelEditorWindowGadgets()
2578 {
2579   int i;
2580
2581   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2582     if (level_editor_gadget[i]->x < SX + SXSIZE)
2583       UnmapGadget(level_editor_gadget[i]);
2584 }
2585
2586 void UnmapLevelEditorGadgets()
2587 {
2588   int i;
2589
2590   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2591     UnmapGadget(level_editor_gadget[i]);
2592 }
2593
2594 static void ResetUndoBuffer()
2595 {
2596   undo_buffer_position = -1;
2597   undo_buffer_steps = -1;
2598   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
2599 }
2600
2601 static void DrawEditModeWindow()
2602 {
2603   if (edit_mode == ED_MODE_INFO)
2604     DrawLevelInfoWindow();
2605   else if (edit_mode == ED_MODE_PROPERTIES)
2606     DrawPropertiesWindow();
2607   else  /* edit_mode == ED_MODE_DRAWING */
2608     DrawDrawingWindow();
2609 }
2610
2611 static boolean LevelChanged()
2612 {
2613   boolean level_changed = FALSE;
2614   int x, y;
2615
2616   for(y=0; y<lev_fieldy; y++)
2617     for(x=0; x<lev_fieldx; x++)
2618       if (Feld[x][y] != Ur[x][y])
2619         level_changed = TRUE;
2620
2621   return level_changed;
2622 }
2623
2624 static boolean LevelContainsPlayer()
2625 {
2626   boolean player_found = FALSE;
2627   int x, y;
2628
2629   for(y=0; y<lev_fieldy; y++)
2630     for(x=0; x<lev_fieldx; x++)
2631       if (Feld[x][y] == EL_PLAYER_1 ||
2632           Feld[x][y] == EL_SP_MURPHY)
2633         player_found = TRUE;
2634
2635   return player_found;
2636 }
2637
2638 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
2639                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
2640 {
2641   int x, y;
2642
2643   for(x=0; x<lev_fieldx; x++)
2644     for(y=0; y<lev_fieldy; y++)
2645       dst[x][y] = src[x][y];
2646 }
2647
2648 static void CopyCustomElementPropertiesToEditor()
2649 {
2650   int i;
2651
2652   for (i=0; i < NUM_CUSTOM_ELEMENTS; i++)
2653   {
2654     int element = EL_CUSTOM_START + i;
2655     int properties = Properties1[element];
2656
2657     custom_element_properties[i].indestructible =
2658       ((properties & EP_BIT_INDESTRUCTIBLE) != 0 ? TRUE : FALSE);
2659
2660     custom_element_properties[i].can_fall =
2661       ((properties & EP_BIT_CAN_FALL) != 0 ? TRUE : FALSE);
2662
2663     custom_element_properties[i].can_smash =
2664       ((properties & EP_BIT_CAN_SMASH) != 0 ? TRUE : FALSE);
2665
2666     custom_element_properties[i].pushable =
2667       ((properties & EP_BIT_PUSHABLE) != 0 ? TRUE : FALSE);
2668
2669     custom_element_properties[i].slippery =
2670       ((properties & EP_BIT_SLIPPERY) != 0 ? TRUE : FALSE);
2671   }
2672 }
2673
2674 static void CopyCustomElementPropertiesToGame()
2675 {
2676   int i;
2677
2678   for (i=0; i < NUM_CUSTOM_ELEMENTS; i++)
2679   {
2680     int element = EL_CUSTOM_START + i;
2681
2682     Properties1[element] = EP_BITMASK_DEFAULT;
2683
2684     if (custom_element_properties[i].indestructible)
2685       Properties1[element] |= EP_BIT_INDESTRUCTIBLE;
2686     else
2687       Properties1[element] &= ~EP_BIT_INDESTRUCTIBLE;
2688
2689     if (custom_element_properties[i].can_fall)
2690       Properties1[element] |= EP_BIT_CAN_FALL;
2691     else
2692       Properties1[element] &= ~EP_BIT_CAN_FALL;
2693
2694     if (custom_element_properties[i].can_smash)
2695       Properties1[element] |= EP_BIT_CAN_SMASH;
2696     else
2697       Properties1[element] &= ~EP_BIT_CAN_SMASH;
2698
2699     if (custom_element_properties[i].pushable)
2700       Properties1[element] |= EP_BIT_PUSHABLE;
2701     else
2702       Properties1[element] &= ~EP_BIT_PUSHABLE;
2703
2704     if (custom_element_properties[i].slippery)
2705       Properties1[element] |= EP_BIT_SLIPPERY;
2706     else
2707       Properties1[element] &= ~EP_BIT_SLIPPERY;
2708   }
2709 }
2710
2711 void DrawLevelEd()
2712 {
2713   CloseDoor(DOOR_CLOSE_ALL);
2714   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
2715
2716   if (level_editor_test_game)
2717   {
2718     CopyPlayfield(Ur, Feld);
2719     CopyPlayfield(FieldBackup, Ur);
2720
2721     level_editor_test_game = FALSE;
2722   }
2723   else
2724   {
2725     edit_mode = ED_MODE_DRAWING;
2726
2727     ResetUndoBuffer();
2728     level_xpos = -1;
2729     level_ypos = -1;
2730   }
2731
2732   /* copy default editor door content to main double buffer */
2733   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
2734              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
2735
2736   /* draw mouse button brush elements */
2737   DrawMiniGraphicExt(drawto,
2738                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
2739                      el2edimg(new_element1));
2740   DrawMiniGraphicExt(drawto,
2741                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
2742                      el2edimg(new_element2));
2743   DrawMiniGraphicExt(drawto,
2744                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
2745                      el2edimg(new_element3));
2746
2747   /* draw bigger door */
2748   DrawSpecialEditorDoor();
2749
2750   /* draw new control window */
2751   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
2752              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
2753
2754   redraw_mask |= REDRAW_ALL;
2755
2756   ReinitializeElementListButtons();     /* only needed after setup changes */
2757
2758   UnmapTapeButtons();
2759   MapControlButtons();
2760
2761   /* copy actual editor door content to door double buffer for OpenDoor() */
2762   BlitBitmap(drawto, bitmap_db_door,
2763              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
2764
2765   DrawEditModeWindow();
2766
2767   OpenDoor(DOOR_OPEN_1);
2768 }
2769
2770 static void AdjustDrawingAreaGadgets()
2771 {
2772   int ed_xsize = lev_fieldx + 2;
2773   int ed_ysize = lev_fieldy + 2;
2774   int max_ed_fieldx = MAX_ED_FIELDX;
2775   int max_ed_fieldy = MAX_ED_FIELDY;
2776   boolean horizontal_scrollbar_needed;
2777   boolean vertical_scrollbar_needed;
2778   int x, y, width, height;
2779   int xoffset, yoffset;
2780
2781   /* check if we need any scrollbars */
2782   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
2783   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
2784
2785   /* check if we have a smaller editor field because of scrollbars */
2786   if (horizontal_scrollbar_needed)
2787     max_ed_fieldy = MAX_ED_FIELDY - 1;
2788   if (vertical_scrollbar_needed)
2789     max_ed_fieldx = MAX_ED_FIELDX - 1;
2790
2791   /* check again if we now need more scrollbars because of less space */
2792   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
2793   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
2794
2795   /* check if editor field gets even smaller after adding new scrollbars */
2796   if (horizontal_scrollbar_needed)
2797     max_ed_fieldy = MAX_ED_FIELDY - 1;
2798   if (vertical_scrollbar_needed)
2799     max_ed_fieldx = MAX_ED_FIELDX - 1;
2800
2801   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
2802   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
2803
2804   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
2805                GDI_WIDTH, ed_fieldx * MINI_TILEX,
2806                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
2807                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2808                GDI_END);
2809
2810   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
2811   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
2812
2813   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
2814   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
2815
2816   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
2817   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
2818
2819   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
2820   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
2821
2822   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
2823                GDI_WIDTH, width,
2824                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
2825                GDI_END);
2826   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
2827                GDI_HEIGHT, height,
2828                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
2829                GDI_END);
2830 }
2831
2832 static void AdjustLevelScrollPosition()
2833 {
2834   if (level_xpos < -1)
2835     level_xpos = -1;
2836   if (level_xpos > lev_fieldx - ed_fieldx + 1)
2837     level_xpos = lev_fieldx - ed_fieldx + 1;
2838   if (lev_fieldx < ed_fieldx - 2)
2839     level_xpos = -1;
2840
2841   if (level_ypos < -1)
2842     level_ypos = -1;
2843   if (level_ypos > lev_fieldy - ed_fieldy + 1)
2844     level_ypos = lev_fieldy - ed_fieldy + 1;
2845   if (lev_fieldy < ed_fieldy - 2)
2846     level_ypos = -1;
2847 }
2848
2849 static void AdjustEditorScrollbar(int id)
2850 {
2851   struct GadgetInfo *gi = level_editor_gadget[id];
2852   int items_max, items_visible, item_position;
2853
2854   if (id == GADGET_ID_SCROLL_HORIZONTAL)
2855   {
2856     items_max = MAX(lev_fieldx + 2, ed_fieldx);
2857     items_visible = ed_fieldx;
2858     item_position = level_xpos + 1;
2859   }
2860   else
2861   {
2862     items_max = MAX(lev_fieldy + 2, ed_fieldy);
2863     items_visible = ed_fieldy;
2864     item_position = level_ypos + 1;
2865   }
2866
2867   if (item_position > items_max - items_visible)
2868     item_position = items_max - items_visible;
2869
2870   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
2871                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
2872 }
2873
2874 static void ModifyEditorTextInput(int textinput_id, char *new_text)
2875 {
2876   int gadget_id = textinput_info[textinput_id].gadget_id;
2877   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2878
2879   ModifyGadget(gi, GDI_TEXT_VALUE, new_text, GDI_END);
2880 }
2881
2882 static void ModifyEditorCounter(int counter_id, int new_value)
2883 {
2884   int *counter_value = counterbutton_info[counter_id].value;
2885   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
2886   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2887
2888   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
2889
2890   if (counter_value != NULL)
2891     *counter_value = gi->text.number_value;
2892 }
2893
2894 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
2895 {
2896   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
2897   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
2898
2899   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
2900 }
2901
2902 static void PickDrawingElement(int button, int element)
2903 {
2904   if (button < 1 || button > 3)
2905     return;
2906
2907   if (button == 1)
2908   {
2909     new_element1 = element;
2910     DrawMiniGraphicExt(drawto,
2911                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
2912                        el2edimg(new_element1));
2913   }
2914   else if (button == 2)
2915   {
2916     new_element2 = element;
2917     DrawMiniGraphicExt(drawto,
2918                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
2919                        el2edimg(new_element2));
2920   }
2921   else
2922   {
2923     new_element3 = element;
2924     DrawMiniGraphicExt(drawto,
2925                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
2926                        el2edimg(new_element3));
2927   }
2928
2929   redraw_mask |= REDRAW_DOOR_1;
2930 }
2931
2932 static void DrawDrawingWindow()
2933 {
2934   SetMainBackgroundImage(IMG_UNDEFINED);
2935   ClearWindow();
2936   UnmapLevelEditorWindowGadgets();
2937
2938   AdjustDrawingAreaGadgets();
2939   AdjustLevelScrollPosition();
2940   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
2941   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
2942
2943   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
2944   MapMainDrawingArea();
2945 }
2946
2947 static void DrawElementBorder(int dest_x, int dest_y, int width, int height)
2948 {
2949   int border_graphic = IMG_EDITOR_ELEMENT_BORDER;
2950   Bitmap *src_bitmap;
2951   int src_x, src_y;
2952   int num_mini_tilex = width / MINI_TILEX + 1;
2953   int num_mini_tiley = width / MINI_TILEY + 1;
2954   int x, y;
2955
2956   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
2957
2958   for (y=0; y < num_mini_tiley; y++)
2959     for (x=0; x < num_mini_tilex; x++)
2960       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
2961                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
2962                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
2963
2964   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
2965 }
2966
2967 static void DrawRandomPlacementBackgroundArea()
2968 {
2969   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
2970   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
2971   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
2972   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
2973
2974   ElementContent[0][0][0] = random_placement_background_element;
2975
2976   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
2977   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
2978
2979   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
2980 }
2981
2982 static void DrawLevelInfoWindow()
2983 {
2984   char infotext[MAX_OUTPUT_LINESIZE + 1];
2985   int max_infotext_len = getMaxInfoTextLength();
2986   int xoffset_above = 0;
2987   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
2988   int xoffset_right = getCounterGadgetWidth();
2989   int yoffset_right = ED_BORDER_SIZE;
2990   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
2991   int yoffset_right2 = ED_BORDER_SIZE;
2992   int i, x, y;
2993
2994   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
2995   ClearWindow();
2996   UnmapLevelEditorWindowGadgets();
2997
2998   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
2999            "Level Settings", FONT_TITLE_1);
3000   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
3001            "Editor Settings", FONT_TITLE_1);
3002
3003   /* draw counter gadgets */
3004   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
3005   {
3006     if (counterbutton_info[i].infotext_above)
3007     {
3008       x = counterbutton_info[i].x + xoffset_above;
3009       y = counterbutton_info[i].y + yoffset_above;
3010
3011       sprintf(infotext, "%s:", counterbutton_info[i].infotext_above);
3012       infotext[max_infotext_len] = '\0';
3013       DrawTextF(x, y, FONT_TEXT_1, infotext);
3014     }
3015
3016     if (counterbutton_info[i].infotext_right)
3017     {
3018       x = counterbutton_info[i].x + xoffset_right;
3019       y = counterbutton_info[i].y + yoffset_right;
3020
3021       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
3022       infotext[max_infotext_len] = '\0';
3023       DrawTextF(x, y, FONT_TEXT_1, infotext);
3024     }
3025
3026     ModifyEditorCounter(i, *counterbutton_info[i].value);
3027     MapCounterButtons(i);
3028   }
3029
3030   /* draw text input gadgets */
3031   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
3032   {
3033     x = textinput_info[i].x + xoffset_above;
3034     y = textinput_info[i].y + yoffset_above;
3035
3036     sprintf(infotext, "%s:", textinput_info[i].infotext);
3037     infotext[max_infotext_len] = '\0';
3038
3039     DrawTextF(x, y, FONT_TEXT_1, infotext);
3040     ModifyEditorTextInput(i, textinput_info[i].value);
3041     MapTextInputGadget(i);
3042   }
3043
3044   /* draw radiobutton gadgets */
3045   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
3046   {
3047     boolean checked =
3048       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3049
3050     x = radiobutton_info[i].x + xoffset_right2;
3051     y = radiobutton_info[i].y + yoffset_right2;
3052
3053     DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[i].text);
3054     ModifyGadget(level_editor_gadget[radiobutton_info[i].gadget_id],
3055                  GDI_CHECKED, checked, GDI_END);
3056     MapRadiobuttonGadget(i);
3057   }
3058
3059   /* draw checkbutton gadgets */
3060   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
3061   {
3062     x = checkbutton_info[i].x + xoffset_right2;
3063     y = checkbutton_info[i].y + yoffset_right2;
3064
3065     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3066     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3067                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3068     MapCheckbuttonGadget(i);
3069   }
3070
3071   /* draw drawing area */
3072   DrawRandomPlacementBackgroundArea();
3073 }
3074
3075 static void DrawAmoebaContentArea()
3076 {
3077   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3078   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3079   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3080   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3081
3082   ElementContent[0][0][0] = level.amoeba_content;
3083
3084   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
3085   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
3086
3087   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
3088
3089   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
3090 }
3091
3092 static void DrawCustomChangedArea()
3093 {
3094   int area_x = ED_AREA_ELEM_CONTENT2_XPOS / MINI_TILEX;
3095   int area_y = ED_AREA_ELEM_CONTENT2_YPOS / MINI_TILEY;
3096   int area_sx = SX + ED_AREA_ELEM_CONTENT2_XPOS;
3097   int area_sy = SY + ED_AREA_ELEM_CONTENT2_YPOS;
3098   int i = properties_element - EL_CUSTOM_START;
3099
3100   if (!IS_CUSTOM_ELEMENT(properties_element))
3101   {
3102     /* this should never happen */
3103     Error(ERR_WARN, "element %d is no custom element", properties_element);
3104
3105     return;
3106   }
3107
3108   ElementContent[0][0][0] = level.custom_element_successor[i];
3109
3110   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
3111   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
3112
3113   DrawText(area_sx + TILEX, area_sy + 1, "Element after change", FONT_TEXT_1);
3114
3115   MapDrawingArea(GADGET_ID_CUSTOM_CHANGED);
3116 }
3117
3118 static void DrawElementContentAreas()
3119 {
3120   int counter_id = ED_COUNTER_ID_ELEM_CONTENT;
3121   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3122   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3123   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3124   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3125   int xoffset_right = getCounterGadgetWidth();
3126   int yoffset_right = ED_BORDER_SIZE;
3127   int i, x, y;
3128
3129   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
3130     for (y=0; y<3; y++)
3131       for (x=0; x<3; x++)
3132         ElementContent[i][x][y] = level.yam_content[i][x][y];
3133
3134   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
3135     UnmapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
3136
3137   /* display counter to choose number of element content areas */
3138   x = counterbutton_info[counter_id].x + xoffset_right;
3139   y = counterbutton_info[counter_id].y + yoffset_right;
3140   DrawTextF(x, y, FONT_TEXT_1, "number of content areas");
3141
3142   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
3143   MapCounterButtons(counter_id);
3144
3145   /* delete content areas in case of reducing number of them */
3146   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
3147
3148   for (i=0; i<level.num_yam_contents; i++)
3149     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
3150                       area_sy + 6 * (i / 4) * MINI_TILEY,
3151                       3 * MINI_TILEX, 3 * MINI_TILEY);
3152
3153   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
3154            "Content", FONT_TEXT_1);
3155   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
3156            "when",    FONT_TEXT_1);
3157   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
3158            "smashed", FONT_TEXT_1);
3159
3160   for (i=0; i<level.num_yam_contents; i++)
3161   {
3162     for (y=0; y<3; y++)
3163       for (x=0; x<3; x++)
3164         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
3165                         ElementContent[i][x][y]);
3166
3167     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
3168               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
3169               FONT_TEXT_1, "%d", i + 1);
3170   }
3171
3172   for (i=0; i<level.num_yam_contents; i++)
3173     MapDrawingArea(GADGET_ID_ELEM_CONTENT_0 + i);
3174 }
3175
3176 #define TEXT_COLLECTING         "Score for collecting"
3177 #define TEXT_SMASHING           "Score for smashing"
3178 #define TEXT_CRACKING           "Score for cracking"
3179 #define TEXT_SPEED              "Speed of amoeba growth"
3180 #define TEXT_DURATION           "Duration when activated"
3181
3182 static void DrawPropertiesWindow()
3183 {
3184   int counter_id = ED_COUNTER_ID_ELEM_SCORE;
3185   int num_elements_in_level;
3186   float percentage;
3187   int xoffset_right = getCounterGadgetWidth();
3188   int yoffset_right = ED_BORDER_SIZE;
3189   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
3190   int yoffset_right2 = ED_BORDER_SIZE;
3191   int xstart = 2;
3192   int ystart = 4;
3193   int i, x, y;
3194   static struct
3195   {
3196     int element;
3197     int *value;
3198     char *text;
3199   } elements_with_counter[] =
3200   {
3201     { EL_EMERALD,       &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
3202     { EL_BD_DIAMOND,    &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
3203     { EL_EMERALD_YELLOW,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
3204     { EL_EMERALD_RED,   &level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
3205     { EL_EMERALD_PURPLE,&level.score[SC_EDELSTEIN],     TEXT_COLLECTING },
3206     { EL_DIAMOND,       &level.score[SC_DIAMANT],       TEXT_COLLECTING },
3207     { EL_BUG_RIGHT,     &level.score[SC_KAEFER],        TEXT_SMASHING },
3208     { EL_BUG_UP,        &level.score[SC_KAEFER],        TEXT_SMASHING },
3209     { EL_BUG_LEFT,      &level.score[SC_KAEFER],        TEXT_SMASHING },
3210     { EL_BUG_DOWN,      &level.score[SC_KAEFER],        TEXT_SMASHING },
3211     { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_KAEFER],    TEXT_SMASHING },
3212     { EL_BD_BUTTERFLY_UP,   &level.score[SC_KAEFER],    TEXT_SMASHING },
3213     { EL_BD_BUTTERFLY_LEFT, &level.score[SC_KAEFER],    TEXT_SMASHING },
3214     { EL_BD_BUTTERFLY_DOWN, &level.score[SC_KAEFER],    TEXT_SMASHING },
3215     { EL_SPACESHIP_RIGHT,&level.score[SC_FLIEGER],      TEXT_SMASHING },
3216     { EL_SPACESHIP_UP,   &level.score[SC_FLIEGER],      TEXT_SMASHING },
3217     { EL_SPACESHIP_LEFT, &level.score[SC_FLIEGER],      TEXT_SMASHING },
3218     { EL_SPACESHIP_DOWN, &level.score[SC_FLIEGER],      TEXT_SMASHING },
3219     { EL_BD_FIREFLY_RIGHT,&level.score[SC_FLIEGER],     TEXT_SMASHING },
3220     { EL_BD_FIREFLY_UP,   &level.score[SC_FLIEGER],     TEXT_SMASHING },
3221     { EL_BD_FIREFLY_LEFT, &level.score[SC_FLIEGER],     TEXT_SMASHING },
3222     { EL_BD_FIREFLY_DOWN, &level.score[SC_FLIEGER],     TEXT_SMASHING },
3223     { EL_YAMYAM,        &level.score[SC_MAMPFER],       TEXT_SMASHING },
3224     { EL_DARK_YAMYAM,   &level.score[SC_MAMPFER],       TEXT_SMASHING },
3225     { EL_ROBOT,         &level.score[SC_ROBOT],         TEXT_SMASHING },
3226     { EL_PACMAN_RIGHT,  &level.score[SC_PACMAN],        TEXT_SMASHING },
3227     { EL_PACMAN_UP,     &level.score[SC_PACMAN],        TEXT_SMASHING },
3228     { EL_PACMAN_LEFT,   &level.score[SC_PACMAN],        TEXT_SMASHING },
3229     { EL_PACMAN_DOWN,   &level.score[SC_PACMAN],        TEXT_SMASHING },
3230     { EL_NUT,           &level.score[SC_KOKOSNUSS],     TEXT_CRACKING },
3231     { EL_DYNAMITE,      &level.score[SC_DYNAMIT],       TEXT_COLLECTING },
3232     { EL_KEY_1,         &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3233     { EL_KEY_2,         &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3234     { EL_KEY_3,         &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3235     { EL_KEY_4,         &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3236     { EL_EM_KEY_1_FILE, &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3237     { EL_EM_KEY_2_FILE, &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3238     { EL_EM_KEY_3_FILE, &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3239     { EL_EM_KEY_4_FILE, &level.score[SC_SCHLUESSEL],    TEXT_COLLECTING },
3240     { EL_AMOEBA_WET,    &level.amoeba_speed,            TEXT_SPEED },
3241     { EL_AMOEBA_DRY,    &level.amoeba_speed,            TEXT_SPEED },
3242     { EL_AMOEBA_FULL,   &level.amoeba_speed,            TEXT_SPEED },
3243     { EL_BD_AMOEBA,     &level.amoeba_speed,            TEXT_SPEED },
3244     { EL_MAGIC_WALL,    &level.time_magic_wall,         TEXT_DURATION },
3245     { EL_ROBOT_WHEEL,   &level.time_wheel,              TEXT_DURATION },
3246     { -1, NULL, NULL }
3247   };
3248
3249   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
3250   ClearWindow();
3251   UnmapLevelEditorWindowGadgets();
3252
3253   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
3254            "Element Settings", FONT_TITLE_1);
3255
3256   DrawElementBorder(SX + xstart * MINI_TILEX,
3257                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
3258                     TILEX, TILEY);
3259   DrawGraphicAnimationExt(drawto,
3260                           SX + xstart * MINI_TILEX,
3261                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
3262                           el2edimg(properties_element), -1, NO_MASKING);
3263
3264   FrameCounter = 0;     /* restart animation frame counter */
3265
3266   DrawTextF((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
3267             FONT_TEXT_1, getElementInfoText(properties_element));
3268
3269   num_elements_in_level = 0;
3270   for (y=0; y<lev_fieldy; y++)
3271     for (x=0; x<lev_fieldx; x++)
3272       if (Feld[x][y] == properties_element)
3273         num_elements_in_level++;
3274   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
3275
3276   DrawTextF(ED_SETTINGS_XPOS, 5 * TILEY, FONT_TEXT_1, "In this level:");
3277   DrawTextF(ED_SETTINGS_XPOS + 15 * getFontWidth(FONT_TEXT_1), 5 * TILEY,
3278             FONT_TEXT_2, "%d (%.2f%%)", num_elements_in_level,
3279             percentage);
3280
3281   /* check if there are elements where a score can be chosen for */
3282   for (i=0; elements_with_counter[i].element != -1; i++)
3283   {
3284     if (elements_with_counter[i].element == properties_element)
3285     {
3286       int x = counterbutton_info[counter_id].x + xoffset_right;
3287       int y = counterbutton_info[counter_id].y + yoffset_right;
3288
3289       counterbutton_info[counter_id].value = elements_with_counter[i].value;
3290       DrawTextF(x, y, FONT_TEXT_1, elements_with_counter[i].text);
3291
3292       ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
3293       MapCounterButtons(counter_id);
3294       break;
3295     }
3296   }
3297
3298   if (HAS_CONTENT(properties_element) ||
3299       IS_CUSTOM_ELEMENT(properties_element))
3300   {
3301     /* draw stickybutton gadget */
3302     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
3303     x = checkbutton_info[i].x + xoffset_right2;
3304     y = checkbutton_info[i].y + yoffset_right2;
3305
3306     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3307     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3308                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3309     MapCheckbuttonGadget(i);
3310
3311     if (HAS_CONTENT(properties_element))
3312     {
3313       if (IS_AMOEBOID(properties_element))
3314         DrawAmoebaContentArea();
3315       else
3316         DrawElementContentAreas();
3317     }
3318     else if (IS_CUSTOM_ELEMENT(properties_element))
3319       DrawCustomChangedArea();
3320   }
3321
3322   if (IS_GEM(properties_element))
3323   {
3324     /* draw checkbutton gadget */
3325     i = ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS;
3326     x = checkbutton_info[i].x + xoffset_right2;
3327     y = checkbutton_info[i].y + yoffset_right2;
3328
3329     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3330     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3331                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3332     MapCheckbuttonGadget(i);
3333   }
3334
3335   if (IS_CUSTOM_ELEMENT(properties_element))
3336   {
3337     int nr = properties_element - EL_CUSTOM_START;
3338
3339     CopyCustomElementPropertiesToEditor();
3340
3341     /* draw checkbutton gadget */
3342     i = ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE;
3343     x = checkbutton_info[i].x + xoffset_right2;
3344     y = checkbutton_info[i].y + yoffset_right2;
3345
3346     checkbutton_info[i].value = &custom_element_properties[nr].indestructible;
3347
3348     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3349     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3350                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3351     MapCheckbuttonGadget(i);
3352
3353     /* draw checkbutton gadget */
3354     i = ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL;
3355     x = checkbutton_info[i].x + xoffset_right2;
3356     y = checkbutton_info[i].y + yoffset_right2;
3357
3358     checkbutton_info[i].value = &custom_element_properties[nr].can_fall;
3359
3360     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3361     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3362                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3363     MapCheckbuttonGadget(i);
3364
3365     /* draw checkbutton gadget */
3366     i = ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH;
3367     x = checkbutton_info[i].x + xoffset_right2;
3368     y = checkbutton_info[i].y + yoffset_right2;
3369
3370     checkbutton_info[i].value = &custom_element_properties[nr].can_smash;
3371
3372     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3373     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3374                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3375     MapCheckbuttonGadget(i);
3376
3377     /* draw checkbutton gadget */
3378     i = ED_CHECKBUTTON_ID_CUSTOM_PUSHABLE;
3379     x = checkbutton_info[i].x + xoffset_right2;
3380     y = checkbutton_info[i].y + yoffset_right2;
3381
3382     checkbutton_info[i].value = &custom_element_properties[nr].pushable;
3383
3384     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3385     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3386                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3387     MapCheckbuttonGadget(i);
3388
3389     /* draw checkbutton gadget */
3390     i = ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY;
3391     x = checkbutton_info[i].x + xoffset_right2;
3392     y = checkbutton_info[i].y + yoffset_right2;
3393
3394     checkbutton_info[i].value = &custom_element_properties[nr].slippery;
3395
3396     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3397     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3398                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3399     MapCheckbuttonGadget(i);
3400
3401     /* draw selectbox gadget */
3402     i = ED_SELECTBOX_ID_TEST;
3403     x = selectbox_info[i].x + xoffset_right2;
3404     y = selectbox_info[i].y + yoffset_right2;
3405
3406     selectbox_info[i].index = &test_index;
3407
3408     DrawTextF(x, y, FONT_TEXT_1, selectbox_info[i].text);
3409     ModifyGadget(level_editor_gadget[selectbox_info[i].gadget_id],
3410                  GDI_SELECTBOX_INDEX, *selectbox_info[i].index, GDI_END);
3411     MapSelectboxGadget(i);
3412   }
3413 }
3414
3415 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
3416 {
3417   int lx = sx + level_xpos;
3418   int ly = sy + level_ypos;
3419
3420   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
3421
3422   if (change_level)
3423     Feld[lx][ly] = element;
3424 }
3425
3426 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
3427                      int element, boolean change_level)
3428 {
3429   if (from_y == to_y)                   /* horizontal line */
3430   {
3431     int x;
3432     int y = from_y;
3433
3434     if (from_x > to_x)
3435       swap_numbers(&from_x, &to_x);
3436
3437     for (x=from_x; x<=to_x; x++)
3438       DrawLineElement(x, y, element, change_level);
3439   }
3440   else if (from_x == to_x)              /* vertical line */
3441   {
3442     int x = from_x;
3443     int y;
3444
3445     if (from_y > to_y)
3446       swap_numbers(&from_y, &to_y);
3447
3448     for (y=from_y; y<=to_y; y++)
3449       DrawLineElement(x, y, element, change_level);
3450   }
3451   else                                  /* diagonal line */
3452   {
3453     int len_x = ABS(to_x - from_x);
3454     int len_y = ABS(to_y - from_y);
3455     int x, y;
3456
3457     if (len_y < len_x)                  /* a < 1 */
3458     {
3459       float a = (float)len_y / (float)len_x;
3460
3461       if (from_x > to_x)
3462         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3463
3464       for (x=0; x<=len_x; x++)
3465       {
3466         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
3467         DrawLineElement(from_x + x, from_y + y, element, change_level);
3468       }
3469     }
3470     else                                /* a >= 1 */
3471     {
3472       float a = (float)len_x / (float)len_y;
3473
3474       if (from_y > to_y)
3475         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3476
3477       for (y=0; y<=len_y; y++)
3478       {
3479         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
3480         DrawLineElement(from_x + x, from_y + y, element, change_level);
3481       }
3482     }
3483   }
3484 }
3485
3486 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
3487                     int element, boolean change_level)
3488 {
3489   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
3490   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
3491   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
3492   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
3493 }
3494
3495 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
3496                           int element, boolean change_level)
3497 {
3498   int y;
3499
3500   if (from_y > to_y)
3501     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
3502
3503   for (y=from_y; y<=to_y; y++)
3504     DrawLine(from_x, y, to_x, y, element, change_level);
3505 }
3506
3507 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
3508                        int element, boolean change_level)
3509 {
3510   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
3511   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
3512   int len_x = ABS(to_x - from_x);
3513   int len_y = ABS(to_y - from_y);
3514   int radius, x, y;
3515
3516   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
3517
3518   /* not optimal (some points get drawn twice) but simple,
3519      and fast enough for the few points we are drawing */
3520
3521   for (x=0; x<=radius; x++)
3522   {
3523     int sx, sy, lx, ly;
3524
3525     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
3526
3527     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
3528     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
3529     lx = sx + level_xpos;
3530     ly = sy + level_ypos;
3531
3532     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3533       DrawLineElement(sx, sy, element, change_level);
3534   }
3535
3536   for (y=0; y<=radius; y++)
3537   {
3538     int sx, sy, lx, ly;
3539
3540     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
3541
3542     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
3543     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
3544     lx = sx + level_xpos;
3545     ly = sy + level_ypos;
3546
3547     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3548       DrawLineElement(sx, sy, element, change_level);
3549   }
3550 }
3551
3552 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
3553                     int element, boolean change_level)
3554 {
3555   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
3556   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
3557
3558   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
3559 }
3560
3561 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
3562 #if DRAW_CIRCLES_BUTTON_AVAILABLE
3563 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
3564                        int element, boolean change_level)
3565 {
3566   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
3567   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
3568   int mirror_to_x2 = from_x - (to_x2 - from_x);
3569   int mirror_to_y2 = from_y - (to_y2 - from_y);
3570
3571   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
3572   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
3573   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
3574   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
3575 }
3576 #endif
3577
3578 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
3579 {
3580   int from_sx, from_sy;
3581   int to_sx, to_sy;
3582
3583   if (from_x > to_x)
3584     swap_numbers(&from_x, &to_x);
3585
3586   if (from_y > to_y)
3587     swap_numbers(&from_y, &to_y);
3588
3589   from_sx = SX + from_x * MINI_TILEX;
3590   from_sy = SY + from_y * MINI_TILEY;
3591   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
3592   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
3593
3594   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
3595   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
3596   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
3597   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
3598
3599   if (from_x == to_x && from_y == to_y)
3600     MarkTileDirty(from_x/2, from_y/2);
3601   else
3602     redraw_mask |= REDRAW_FIELD;
3603 }
3604
3605 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
3606                        int element, boolean change_level)
3607 {
3608   if (element == -1 || change_level)
3609     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
3610   else
3611     DrawAreaBorder(from_x, from_y, to_x, to_y);
3612 }
3613
3614 /* values for CopyBrushExt() */
3615 #define CB_AREA_TO_BRUSH        0
3616 #define CB_BRUSH_TO_CURSOR      1
3617 #define CB_BRUSH_TO_LEVEL       2
3618 #define CB_DELETE_OLD_CURSOR    3
3619
3620 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
3621                          int button, int mode)
3622 {
3623   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
3624   static int brush_width, brush_height;
3625   static int last_cursor_x = -1, last_cursor_y = -1;
3626   static boolean delete_old_brush;
3627   int new_element = BUTTON_ELEMENT(button);
3628   int x, y;
3629
3630   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
3631     return;
3632
3633   if (mode == CB_AREA_TO_BRUSH)
3634   {
3635     int from_lx, from_ly;
3636
3637     if (from_x > to_x)
3638       swap_numbers(&from_x, &to_x);
3639
3640     if (from_y > to_y)
3641       swap_numbers(&from_y, &to_y);
3642
3643     brush_width = to_x - from_x + 1;
3644     brush_height = to_y - from_y + 1;
3645
3646     from_lx = from_x + level_xpos;
3647     from_ly = from_y + level_ypos;
3648
3649     for (y=0; y<brush_height; y++)
3650     {
3651       for (x=0; x<brush_width; x++)
3652       {
3653         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
3654
3655         if (button != 1)
3656           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
3657       }
3658     }
3659
3660     if (button != 1)
3661       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3662
3663     delete_old_brush = FALSE;
3664   }
3665   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
3666            mode == CB_BRUSH_TO_LEVEL)
3667   {
3668     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
3669     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
3670     int cursor_from_x = cursor_x - brush_width / 2;
3671     int cursor_from_y = cursor_y - brush_height / 2;
3672     int border_from_x = cursor_x, border_from_y = cursor_y;
3673     int border_to_x = cursor_x, border_to_y = cursor_y;
3674
3675     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
3676       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3677
3678     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
3679         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
3680     {
3681       delete_old_brush = FALSE;
3682       return;
3683     }
3684
3685     for (y=0; y<brush_height; y++)
3686     {
3687       for (x=0; x<brush_width; x++)
3688       {
3689         int sx = cursor_from_x + x;
3690         int sy = cursor_from_y + y;
3691         int lx = sx + level_xpos;
3692         int ly = sy + level_ypos;
3693         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
3694         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
3695                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
3696                        brush_buffer[x][y] : new_element);
3697
3698         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
3699         {
3700           if (sx < border_from_x)
3701             border_from_x = sx;
3702           else if (sx > border_to_x)
3703             border_to_x = sx;
3704           if (sy < border_from_y)
3705             border_from_y = sy;
3706           else if (sy > border_to_y)
3707             border_to_y = sy;
3708
3709           DrawLineElement(sx, sy, element, change_level);
3710         }
3711       }
3712     }
3713
3714     if (mode != CB_DELETE_OLD_CURSOR)
3715       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
3716
3717     last_cursor_x = cursor_x;
3718     last_cursor_y = cursor_y;
3719     delete_old_brush = TRUE;
3720   }
3721 }
3722
3723 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
3724                             int button)
3725 {
3726   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
3727 }
3728
3729 static void CopyBrushToLevel(int x, int y, int button)
3730 {
3731   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
3732 }
3733
3734 static void CopyBrushToCursor(int x, int y)
3735 {
3736   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
3737 }
3738
3739 static void DeleteBrushFromCursor()
3740 {
3741   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
3742 }
3743
3744 static void FloodFill(int from_x, int from_y, int fill_element)
3745 {
3746   int i,x,y;
3747   int old_element;
3748   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
3749   static int safety = 0;
3750
3751   /* check if starting field still has the desired content */
3752   if (Feld[from_x][from_y] == fill_element)
3753     return;
3754
3755   safety++;
3756
3757   if (safety > lev_fieldx*lev_fieldy)
3758     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
3759
3760   old_element = Feld[from_x][from_y];
3761   Feld[from_x][from_y] = fill_element;
3762
3763   for(i=0;i<4;i++)
3764   {
3765     x = from_x + check[i][0];
3766     y = from_y + check[i][1];
3767
3768     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
3769       FloodFill(x, y, fill_element);
3770   }
3771
3772   safety--;
3773 }
3774
3775 /* values for DrawLevelText() modes */
3776 #define TEXT_INIT               0
3777 #define TEXT_SETCURSOR          1
3778 #define TEXT_WRITECHAR          2
3779 #define TEXT_BACKSPACE          3
3780 #define TEXT_NEWLINE            4
3781 #define TEXT_END                5
3782 #define TEXT_QUERY_TYPING       6
3783
3784 static int DrawLevelText(int sx, int sy, char letter, int mode)
3785 {
3786   static short delete_buffer[MAX_LEV_FIELDX];
3787   static int start_sx, start_sy;
3788   static int last_sx, last_sy;
3789   static boolean typing = FALSE;
3790   int letter_element = EL_CHAR_ASCII0 + letter;
3791   int lx = 0, ly = 0;
3792
3793   /* map lower case letters to upper case and convert special characters */
3794   if (letter >= 'a' && letter <= 'z')
3795     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
3796   else if (letter == 'ä' || letter == 'Ä')
3797     letter_element = EL_CHAR_AUMLAUT;
3798   else if (letter == 'ö' || letter == 'Ö')
3799     letter_element = EL_CHAR_OUMLAUT;
3800   else if (letter == 'ü' || letter == 'Ü')
3801     letter_element = EL_CHAR_UUMLAUT;
3802   else if (letter == '^')
3803     letter_element = EL_CHAR_COPYRIGHT;
3804   else
3805     letter_element = EL_CHAR_ASCII0 + letter;
3806
3807   if (mode != TEXT_INIT)
3808   {
3809     if (!typing)
3810       return FALSE;
3811
3812     if (mode != TEXT_SETCURSOR)
3813     {
3814       sx = last_sx;
3815       sy = last_sy;
3816     }
3817
3818     lx = last_sx + level_xpos;
3819     ly = last_sy + level_ypos;
3820   }
3821
3822   switch (mode)
3823   {
3824     case TEXT_INIT:
3825       if (typing)
3826         DrawLevelText(0, 0, 0, TEXT_END);
3827
3828       typing = TRUE;
3829       start_sx = last_sx = sx;
3830       start_sy = last_sy = sy;
3831       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
3832       break;
3833
3834     case TEXT_SETCURSOR:
3835       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
3836       DrawAreaBorder(sx, sy, sx, sy);
3837       last_sx = sx;
3838       last_sy = sy;
3839       break;
3840
3841     case TEXT_WRITECHAR:
3842       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
3843       {
3844         delete_buffer[sx - start_sx] = Feld[lx][ly];
3845         Feld[lx][ly] = letter_element;
3846
3847         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
3848           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
3849         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
3850           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3851         else
3852           DrawLevelText(0, 0, 0, TEXT_END);
3853       }
3854       break;
3855
3856     case TEXT_BACKSPACE:
3857       if (sx > start_sx)
3858       {
3859         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
3860         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
3861         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
3862       }
3863       break;
3864
3865     case TEXT_NEWLINE:
3866       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
3867         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
3868       else
3869         DrawLevelText(0, 0, 0, TEXT_END);
3870       break;
3871
3872     case TEXT_END:
3873       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3874       DrawMiniElement(sx, sy, Feld[lx][ly]);
3875       typing = FALSE;
3876       break;
3877
3878     case TEXT_QUERY_TYPING:
3879       break;
3880
3881     default:
3882       break;
3883   }
3884
3885   return typing;
3886 }
3887
3888 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
3889                           int element, boolean change_level)
3890 {
3891   int lx = sx + level_xpos;
3892   int ly = sy + level_ypos;
3893
3894   if (element == -1)
3895     DrawMiniElement(sx, sy, Feld[lx][ly]);
3896   else
3897     DrawAreaBorder(sx, sy, sx, sy);
3898 }
3899
3900 static void CopyLevelToUndoBuffer(int mode)
3901 {
3902   static boolean accumulated_undo = FALSE;
3903   boolean new_undo_buffer_position = TRUE;
3904   int last_border_element;
3905   int x, y;
3906
3907   switch (mode)
3908   {
3909     case UNDO_IMMEDIATE:
3910       accumulated_undo = FALSE;
3911       break;
3912
3913     case UNDO_ACCUMULATE:
3914       if (accumulated_undo)
3915         new_undo_buffer_position = FALSE;
3916       accumulated_undo = TRUE;
3917       break;
3918
3919     default:
3920       break;
3921   }
3922
3923   if (new_undo_buffer_position)
3924   {
3925     /* new position in undo buffer ring */
3926     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
3927
3928     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
3929       undo_buffer_steps++;
3930   }
3931
3932   for(x=0; x<lev_fieldx; x++)
3933     for(y=0; y<lev_fieldy; y++)
3934       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
3935
3936   /* check if drawing operation forces change of border style */
3937   last_border_element = BorderElement;
3938   SetBorderElement();
3939   if (BorderElement != last_border_element)
3940     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3941
3942 #if 0
3943 #ifdef DEBUG
3944   printf("level saved to undo buffer\n");
3945 #endif
3946 #endif
3947 }
3948
3949 static void RandomPlacement(int new_element)
3950 {
3951   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3952   int num_free_positions;
3953   int num_percentage;
3954   int num_elements;
3955   int x, y;
3956
3957   /* determine number of free positions for the new elements */
3958   /* (maybe this statement should be formatted a bit more readable...) */
3959   num_free_positions = 0;
3960   for (x=0; x<lev_fieldx; x++)
3961     for (y=0; y<lev_fieldy; y++)
3962       if ((free_position[x][y] =
3963            ((random_placement_background_restricted &&
3964              Feld[x][y] == random_placement_background_element) ||
3965             (!random_placement_background_restricted &&
3966              Feld[x][y] != new_element))) == TRUE)
3967         num_free_positions++;
3968
3969   /* determine number of new elements to place there */
3970   num_percentage = num_free_positions * random_placement_value / 100;
3971   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
3972                   num_percentage : random_placement_value);
3973
3974   /* if not more free positions than elements to place, fill whole level */
3975   if (num_elements >= num_free_positions)
3976   {
3977     for (x=0; x<lev_fieldx; x++)
3978       for (y=0; y<lev_fieldy; y++)
3979         Feld[x][y] = new_element;
3980
3981     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3982     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3983     return;
3984   }
3985
3986   while (num_elements > 0)
3987   {
3988     x = RND(lev_fieldx);
3989     y = RND(lev_fieldy);
3990
3991     /* don't place element at the same position twice */
3992     if (free_position[x][y])
3993     {
3994       free_position[x][y] = FALSE;
3995       Feld[x][y] = new_element;
3996       num_elements--;
3997     }
3998   }
3999
4000   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4001   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4002 }
4003
4004 void WrapLevel(int dx, int dy)
4005 {
4006   int wrap_dx = lev_fieldx - dx;
4007   int wrap_dy = lev_fieldy - dy;
4008   int x, y;
4009
4010   for(x=0; x<lev_fieldx; x++)
4011     for(y=0; y<lev_fieldy; y++)
4012       FieldBackup[x][y] = Feld[x][y];
4013
4014   for(x=0; x<lev_fieldx; x++)
4015     for(y=0; y<lev_fieldy; y++)
4016       Feld[x][y] =
4017         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
4018
4019   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4020   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
4021 }
4022
4023 static void HandleDrawingAreas(struct GadgetInfo *gi)
4024 {
4025   static boolean started_inside_drawing_area = FALSE;
4026   int id = gi->custom_id;
4027   boolean button_press_event;
4028   boolean button_release_event;
4029   boolean inside_drawing_area = !gi->event.off_borders;
4030   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
4031   int actual_drawing_function;
4032   int button = gi->event.button;
4033   int new_element = BUTTON_ELEMENT(button);
4034   int sx = gi->event.x, sy = gi->event.y;
4035   int min_sx = 0, min_sy = 0;
4036   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
4037   int lx = 0, ly = 0;
4038   int min_lx = 0, min_ly = 0;
4039   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
4040   int x, y;
4041
4042   /* handle info callback for each invocation of action callback */
4043   gi->callback_info(gi);
4044
4045   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
4046   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
4047
4048   /* make sure to stay inside drawing area boundaries */
4049   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
4050   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
4051
4052   if (draw_level)
4053   {
4054     /* get positions inside level field */
4055     lx = sx + level_xpos;
4056     ly = sy + level_ypos;
4057
4058     if (!IN_LEV_FIELD(lx, ly))
4059       inside_drawing_area = FALSE;
4060
4061     /* make sure to stay inside level field boundaries */
4062     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
4063     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
4064
4065     /* correct drawing area positions accordingly */
4066     sx = lx - level_xpos;
4067     sy = ly - level_ypos;
4068   }
4069
4070   if (button_press_event)
4071     started_inside_drawing_area = inside_drawing_area;
4072
4073   if (!started_inside_drawing_area)
4074     return;
4075
4076   if (!button && !button_release_event)
4077     return;
4078
4079   /* automatically switch to 'single item' drawing mode, if needed */
4080   actual_drawing_function =
4081     (draw_level ? drawing_function : GADGET_ID_SINGLE_ITEMS);
4082
4083   switch (actual_drawing_function)
4084   {
4085     case GADGET_ID_SINGLE_ITEMS:
4086       if (draw_level)
4087       {
4088         if (button_release_event)
4089         {
4090           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4091
4092           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
4093               !inside_drawing_area)
4094             DeleteBrushFromCursor();
4095         }
4096
4097         if (!button)
4098           break;
4099
4100         if (draw_with_brush)
4101         {
4102           if (!button_release_event)
4103             CopyBrushToLevel(sx, sy, button);
4104         }
4105         else if (new_element != Feld[lx][ly])
4106         {
4107           if (new_element == EL_PLAYER_1)
4108           {
4109             /* remove player at old position */
4110             for(y=0; y<lev_fieldy; y++)
4111             {
4112               for(x=0; x<lev_fieldx; x++)
4113               {
4114                 if (Feld[x][y] == EL_PLAYER_1)
4115                 {
4116                   Feld[x][y] = EL_EMPTY;
4117                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
4118                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
4119                     DrawMiniElement(x - level_xpos, y - level_ypos,
4120                                     EL_EMPTY);
4121                 }
4122               }
4123             }
4124           }
4125
4126           Feld[lx][ly] = new_element;
4127           DrawMiniElement(sx, sy, new_element);
4128         }
4129       }
4130       else
4131       {
4132         DrawMiniGraphicExt(drawto,
4133                            gi->x + sx * MINI_TILEX,
4134                            gi->y + sy * MINI_TILEY,
4135                            el2edimg(new_element));
4136         DrawMiniGraphicExt(window,
4137                            gi->x + sx * MINI_TILEX,
4138                            gi->y + sy * MINI_TILEY,
4139                            el2edimg(new_element));
4140
4141         if (id == GADGET_ID_AMOEBA_CONTENT)
4142           level.amoeba_content = new_element;
4143         else if (id == GADGET_ID_CUSTOM_CHANGED &&
4144                  IS_CUSTOM_ELEMENT(properties_element))
4145         {
4146           int i = properties_element - EL_CUSTOM_START;
4147
4148           level.custom_element_successor[i] = new_element;
4149         }
4150         else if (id == GADGET_ID_RANDOM_BACKGROUND)
4151           random_placement_background_element = new_element;
4152         else if (id >= GADGET_ID_ELEM_CONTENT_0 &&
4153                  id <= GADGET_ID_ELEM_CONTENT_7)
4154           level.yam_content[id - GADGET_ID_ELEM_CONTENT_0][sx][sy] =
4155             new_element;
4156       }
4157       break;
4158
4159     case GADGET_ID_CONNECTED_ITEMS:
4160       {
4161         static int last_sx = -1;
4162         static int last_sy = -1;
4163
4164         if (button_release_event)
4165           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4166
4167         if (button)
4168         {
4169           if (!button_press_event)
4170             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
4171
4172           last_sx = sx;
4173           last_sy = sy;
4174         }
4175       }
4176       break;
4177
4178     case GADGET_ID_LINE:
4179     case GADGET_ID_ARC:
4180     case GADGET_ID_RECTANGLE:
4181     case GADGET_ID_FILLED_BOX:
4182     case GADGET_ID_GRAB_BRUSH:
4183     case GADGET_ID_TEXT:
4184       {
4185         static int last_sx = -1;
4186         static int last_sy = -1;
4187         static int start_sx = -1;
4188         static int start_sy = -1;
4189         void (*draw_func)(int, int, int, int, int, boolean);
4190
4191         if (drawing_function == GADGET_ID_LINE)
4192           draw_func = DrawLine;
4193         else if (drawing_function == GADGET_ID_ARC)
4194           draw_func = DrawArc;
4195         else if (drawing_function == GADGET_ID_RECTANGLE)
4196           draw_func = DrawBox;
4197         else if (drawing_function == GADGET_ID_FILLED_BOX)
4198           draw_func = DrawFilledBox;
4199         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
4200           draw_func = SelectArea;
4201         else /* (drawing_function == GADGET_ID_TEXT) */
4202           draw_func = SetTextCursor;
4203
4204         if (button_press_event)
4205         {
4206           draw_func(sx, sy, sx, sy, new_element, FALSE);
4207           start_sx = last_sx = sx;
4208           start_sy = last_sy = sy;
4209
4210           if (drawing_function == GADGET_ID_TEXT)
4211             DrawLevelText(0, 0, 0, TEXT_END);
4212         }
4213         else if (button_release_event)
4214         {
4215           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
4216           if (drawing_function == GADGET_ID_GRAB_BRUSH)
4217           {
4218             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
4219             CopyBrushToCursor(sx, sy);
4220             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
4221                           MB_LEFTBUTTON);
4222             draw_with_brush = TRUE;
4223           }
4224           else if (drawing_function == GADGET_ID_TEXT)
4225             DrawLevelText(sx, sy, 0, TEXT_INIT);
4226           else
4227             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4228         }
4229         else if (last_sx != sx || last_sy != sy)
4230         {
4231           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
4232           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
4233           last_sx = sx;
4234           last_sy = sy;
4235         }
4236       }
4237       break;
4238
4239     case GADGET_ID_FLOOD_FILL:
4240       if (button_press_event && Feld[lx][ly] != new_element)
4241       {
4242         FloodFill(lx, ly, new_element);
4243         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4244         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4245       }
4246       break;
4247
4248     case GADGET_ID_PICK_ELEMENT:
4249       if (button_release_event)
4250         ClickOnGadget(level_editor_gadget[last_drawing_function],
4251                       MB_LEFTBUTTON);
4252       else
4253         PickDrawingElement(button, Feld[lx][ly]);
4254
4255       break;
4256
4257     default:
4258       break;
4259   }
4260 }
4261
4262 static void HandleCounterButtons(struct GadgetInfo *gi)
4263 {
4264   int gadget_id = gi->custom_id;
4265   int counter_id = gi->custom_type_id;
4266   int button = gi->event.button;
4267   int *counter_value = counterbutton_info[counter_id].value;
4268   int step = BUTTON_STEPSIZE(button) *
4269     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
4270
4271   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
4272   {
4273     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
4274     boolean released = (gi->event.type == GD_EVENT_RELEASED);
4275     boolean level_changed = LevelChanged();
4276
4277     if ((level_changed && pressed) || (!level_changed && released))
4278       return;
4279
4280     if (level_changed && !Request("Level has changed! Discard changes ?",
4281                                   REQ_ASK))
4282     {
4283       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
4284         ModifyEditorCounter(counter_id, *counter_value);
4285       return;
4286     }
4287   }
4288
4289   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
4290     *counter_value = gi->text.number_value;
4291   else
4292     ModifyEditorCounter(counter_id, *counter_value + step);
4293
4294   switch (counter_id)
4295   {
4296     case ED_COUNTER_ID_ELEM_CONTENT:
4297       DrawElementContentAreas();
4298       break;
4299
4300     case ED_COUNTER_ID_LEVEL_XSIZE:
4301     case ED_COUNTER_ID_LEVEL_YSIZE:
4302       lev_fieldx = level.fieldx;
4303       lev_fieldy = level.fieldy;
4304       break;
4305
4306     case ED_COUNTER_ID_SELECT_LEVEL:
4307       LoadLevel(level_nr);
4308       TapeErase();
4309       ResetUndoBuffer();
4310       DrawEditModeWindow();
4311       break;
4312
4313     default:
4314       break;
4315   }
4316 }
4317
4318 static void HandleTextInputGadgets(struct GadgetInfo *gi)
4319 {
4320   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
4321 }
4322
4323 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
4324 {
4325   *selectbox_info[gi->custom_type_id].index = gi->selectbox.index;
4326
4327 #if 1
4328   printf("Selected text value: '%s'\n",
4329          selectbox_info[gi->custom_type_id].values[gi->selectbox.index]);
4330 #endif
4331 }
4332
4333 static void HandleRadiobuttons(struct GadgetInfo *gi)
4334 {
4335   *radiobutton_info[gi->custom_type_id].value =
4336     radiobutton_info[gi->custom_type_id].checked_value;
4337 }
4338
4339 static void HandleCheckbuttons(struct GadgetInfo *gi)
4340 {
4341   int type_id = gi->custom_type_id;
4342
4343   *checkbutton_info[type_id].value ^= TRUE;
4344
4345   if (type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
4346       type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST)
4347     CopyCustomElementPropertiesToGame();
4348 }
4349
4350 static void HandleControlButtons(struct GadgetInfo *gi)
4351 {
4352   int id = gi->custom_id;
4353   int button = gi->event.button;
4354   int step = BUTTON_STEPSIZE(button);
4355   int new_element = BUTTON_ELEMENT(button);
4356   int i, x, y;
4357
4358   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
4359     DrawLevelText(0, 0, 0, TEXT_END);
4360
4361   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
4362       edit_mode != ED_MODE_DRAWING)
4363   {
4364     DrawDrawingWindow();
4365     edit_mode = ED_MODE_DRAWING;
4366   }
4367
4368   switch (id)
4369   {
4370     case GADGET_ID_SCROLL_LEFT:
4371       if (level_xpos >= 0)
4372       {
4373         if (lev_fieldx < ed_fieldx - 2)
4374           break;
4375
4376         level_xpos -= step;
4377         if (level_xpos < -1)
4378           level_xpos = -1;
4379         if (button == 1)
4380           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
4381         else
4382           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4383
4384         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4385                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
4386       }
4387       break;
4388
4389     case GADGET_ID_SCROLL_RIGHT:
4390       if (level_xpos <= lev_fieldx - ed_fieldx)
4391       {
4392         if (lev_fieldx < ed_fieldx - 2)
4393           break;
4394
4395         level_xpos += step;
4396         if (level_xpos > lev_fieldx - ed_fieldx + 1)
4397           level_xpos = lev_fieldx - ed_fieldx + 1;
4398         if (button == 1)
4399           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
4400         else
4401           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4402
4403         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4404                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
4405       }
4406       break;
4407
4408     case GADGET_ID_SCROLL_UP:
4409       if (level_ypos >= 0)
4410       {
4411         if (lev_fieldy < ed_fieldy - 2)
4412           break;
4413
4414         level_ypos -= step;
4415         if (level_ypos < -1)
4416           level_ypos = -1;
4417         if (button == 1)
4418           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
4419         else
4420           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4421
4422         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4423                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
4424       }
4425       break;
4426
4427     case GADGET_ID_SCROLL_DOWN:
4428       if (level_ypos <= lev_fieldy - ed_fieldy)
4429       {
4430         if (lev_fieldy < ed_fieldy - 2)
4431           break;
4432
4433         level_ypos += step;
4434         if (level_ypos > lev_fieldy - ed_fieldy + 1)
4435           level_ypos = lev_fieldy - ed_fieldy + 1;
4436         if (button == 1)
4437           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
4438         else
4439           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4440
4441         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4442                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
4443       }
4444       break;
4445
4446     case GADGET_ID_SCROLL_HORIZONTAL:
4447       level_xpos = gi->event.item_position - 1;
4448       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4449       break;
4450
4451     case GADGET_ID_SCROLL_VERTICAL:
4452       level_ypos = gi->event.item_position - 1;
4453       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4454       break;
4455
4456     case GADGET_ID_SCROLL_LIST_UP:
4457     case GADGET_ID_SCROLL_LIST_DOWN:
4458     case GADGET_ID_SCROLL_LIST_VERTICAL:
4459       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
4460         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
4461       else
4462       {
4463         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
4464         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
4465
4466         if (element_shift < 0)
4467           element_shift = 0;
4468         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
4469           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
4470
4471         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
4472                      GDI_SCROLLBAR_ITEM_POSITION,
4473                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
4474       }
4475
4476       for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4477       {
4478         int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4479         struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4480         struct GadgetDesign *gd = &gi->deco.design;
4481         int element = editor_elements[element_shift + i];
4482
4483         UnmapGadget(gi);
4484         getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
4485         ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4486         MapGadget(gi);
4487       }
4488       break;
4489
4490     case GADGET_ID_WRAP_LEFT:
4491       WrapLevel(-step, 0);
4492       break;
4493
4494     case GADGET_ID_WRAP_RIGHT:
4495       WrapLevel(step, 0);
4496       break;
4497
4498     case GADGET_ID_WRAP_UP:
4499       WrapLevel(0, -step);
4500       break;
4501
4502     case GADGET_ID_WRAP_DOWN:
4503       WrapLevel(0, step);
4504       break;
4505
4506     case GADGET_ID_SINGLE_ITEMS:
4507     case GADGET_ID_CONNECTED_ITEMS:
4508     case GADGET_ID_LINE:
4509     case GADGET_ID_ARC:
4510     case GADGET_ID_TEXT:
4511     case GADGET_ID_RECTANGLE:
4512     case GADGET_ID_FILLED_BOX:
4513     case GADGET_ID_FLOOD_FILL:
4514     case GADGET_ID_GRAB_BRUSH:
4515     case GADGET_ID_PICK_ELEMENT:
4516       last_drawing_function = drawing_function;
4517       drawing_function = id;
4518       draw_with_brush = FALSE;
4519       break;
4520
4521     case GADGET_ID_RANDOM_PLACEMENT:
4522       RandomPlacement(new_element);
4523       break;
4524
4525     case GADGET_ID_PROPERTIES:
4526       if (edit_mode != ED_MODE_PROPERTIES)
4527       {
4528         properties_element = new_element;
4529         DrawPropertiesWindow();
4530         edit_mode = ED_MODE_PROPERTIES;
4531       }
4532       else
4533       {
4534         DrawDrawingWindow();
4535         edit_mode = ED_MODE_DRAWING;
4536       }
4537       break;
4538
4539     case GADGET_ID_UNDO:
4540       if (undo_buffer_steps == 0)
4541       {
4542         Request("Undo buffer empty !", REQ_CONFIRM);
4543         break;
4544       }
4545
4546       undo_buffer_position =
4547         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
4548       undo_buffer_steps--;
4549
4550       for(x=0; x<lev_fieldx; x++)
4551         for(y=0; y<lev_fieldy; y++)
4552           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
4553       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
4554       break;
4555
4556     case GADGET_ID_INFO:
4557       if (edit_mode != ED_MODE_INFO)
4558       {
4559         DrawLevelInfoWindow();
4560         edit_mode = ED_MODE_INFO;
4561       }
4562       else
4563       {
4564         DrawDrawingWindow();
4565         edit_mode = ED_MODE_DRAWING;
4566       }
4567       break;
4568
4569     case GADGET_ID_CLEAR:
4570       for(x=0; x<MAX_LEV_FIELDX; x++)
4571         for(y=0; y<MAX_LEV_FIELDY; y++)
4572           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
4573       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
4574
4575       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4576       break;
4577
4578     case GADGET_ID_SAVE:
4579       if (leveldir_current->readonly)
4580       {
4581         Request("This level is read only !", REQ_CONFIRM);
4582         break;
4583       }
4584
4585       if (!LevelContainsPlayer)
4586         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
4587       else
4588       {
4589         if (Request("Save this level and kill the old ?", REQ_ASK))
4590         {
4591           CopyPlayfield(Feld, Ur);
4592
4593           SaveLevel(level_nr);
4594         }
4595       }
4596       break;
4597
4598     case GADGET_ID_TEST:
4599       if (!LevelContainsPlayer)
4600         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
4601       else
4602       {
4603         if (LevelChanged())
4604           level.game_version = GAME_VERSION_ACTUAL;
4605
4606         CopyPlayfield(Ur, FieldBackup);
4607         CopyPlayfield(Feld, Ur);
4608
4609         UnmapLevelEditorGadgets();
4610         UndrawSpecialEditorDoor();
4611
4612         CloseDoor(DOOR_CLOSE_ALL);
4613
4614         DrawCompleteVideoDisplay();
4615
4616         if (setup.autorecord)
4617           TapeStartRecording();
4618
4619         level_editor_test_game = TRUE;
4620         game_status = PLAYING;
4621
4622         InitGame();
4623       }
4624       break;
4625
4626     case GADGET_ID_EXIT:
4627       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
4628       break;
4629
4630     default:
4631       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
4632           id <= GADGET_ID_ELEMENTLIST_LAST)
4633       {
4634         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
4635         int new_element = editor_elements[element_position + element_shift];
4636
4637         PickDrawingElement(button, new_element);
4638
4639 #if 1
4640         if (!stick_element_properties_window)
4641 #else
4642         if (!HAS_CONTENT(properties_element) ||
4643             !stick_element_properties_window)
4644 #endif
4645         {
4646           properties_element = new_element;
4647           if (edit_mode == ED_MODE_PROPERTIES)
4648             DrawPropertiesWindow();
4649         }
4650
4651         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4652           ClickOnGadget(level_editor_gadget[last_drawing_function],
4653                         MB_LEFTBUTTON);
4654       }
4655 #ifdef DEBUG
4656       else if (gi->event.type == GD_EVENT_PRESSED)
4657         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
4658       else if (gi->event.type == GD_EVENT_RELEASED)
4659         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
4660       else if (gi->event.type == GD_EVENT_MOVING)
4661         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
4662       else
4663         printf("default: HandleControlButtons: ? (id == %d)\n", id);
4664 #endif
4665       break;
4666   }
4667 }
4668
4669 void HandleLevelEditorKeyInput(Key key)
4670 {
4671   char letter = getCharFromKey(key);
4672   int button = MB_LEFTBUTTON;
4673
4674   if (drawing_function == GADGET_ID_TEXT &&
4675       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
4676   {
4677     if (letter)
4678       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
4679     else if (key == KSYM_Delete || key == KSYM_BackSpace)
4680       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
4681     else if (key == KSYM_Return)
4682       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
4683     else if (key == KSYM_Escape)
4684       DrawLevelText(0, 0, 0, TEXT_END);
4685   }
4686   else if (button_status == MB_RELEASED)
4687   {
4688     int i, id = GADGET_ID_NONE;
4689
4690     switch (key)
4691     {
4692       case KSYM_Left:
4693         id = GADGET_ID_SCROLL_LEFT;
4694         break;
4695       case KSYM_Right:
4696         id = GADGET_ID_SCROLL_RIGHT;
4697         break;
4698       case KSYM_Up:
4699         id = GADGET_ID_SCROLL_UP;
4700         break;
4701       case KSYM_Down:
4702         id = GADGET_ID_SCROLL_DOWN;
4703         break;
4704       case KSYM_Page_Up:
4705         id = GADGET_ID_SCROLL_LIST_UP;
4706         button = MB_RIGHTBUTTON;
4707         break;
4708       case KSYM_Page_Down:
4709         id = GADGET_ID_SCROLL_LIST_DOWN;
4710         button = MB_RIGHTBUTTON;
4711         break;
4712
4713       case KSYM_Escape:
4714         if (edit_mode == ED_MODE_DRAWING)
4715         {
4716           RequestExitLevelEditor(setup.ask_on_escape);
4717         }
4718         else
4719         {
4720           DrawDrawingWindow();
4721           edit_mode = ED_MODE_DRAWING;
4722         }
4723         break;
4724
4725       default:
4726         break;
4727     }
4728
4729     if (id != GADGET_ID_NONE)
4730       ClickOnGadget(level_editor_gadget[id], button);
4731     else if (letter == '.')
4732       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
4733     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
4734       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
4735     else
4736       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
4737         if (letter && letter == control_info[i].shortcut)
4738           if (!anyTextGadgetActive())
4739             ClickOnGadget(level_editor_gadget[i], button);
4740   }
4741 }
4742
4743 void HandleLevelEditorIdle()
4744 {
4745   static unsigned long action_delay = 0;
4746   unsigned long action_delay_value = GameFrameDelay;
4747   int xpos = 1, ypos = 2;
4748
4749   if (edit_mode != ED_MODE_PROPERTIES)
4750     return;
4751
4752   if (!DelayReached(&action_delay, action_delay_value))
4753     return;
4754
4755   DrawGraphicAnimationExt(drawto,
4756                           SX + xpos * TILEX,
4757                           SY + ypos * TILEY + MINI_TILEY / 2,
4758                           el2edimg(properties_element), -1, NO_MASKING);
4759
4760   MarkTileDirty(xpos, ypos);
4761   MarkTileDirty(xpos, ypos + 1);
4762
4763   FrameCounter++;       /* increase animation frame counter */
4764 }
4765
4766 void ClearEditorGadgetInfoText()
4767 {
4768   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
4769 }
4770
4771 void HandleEditorGadgetInfoText(void *ptr)
4772 {
4773   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
4774   char infotext[MAX_OUTPUT_LINESIZE + 1];
4775   char shortcut[MAX_OUTPUT_LINESIZE + 1];
4776   int max_infotext_len = getMaxInfoTextLength();
4777
4778   if (game_status != LEVELED)
4779     return;
4780
4781   ClearEditorGadgetInfoText();
4782
4783   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4784     return;
4785
4786   /* misuse this function to delete brush cursor, if needed */
4787   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
4788     DeleteBrushFromCursor();
4789
4790   if (gi == NULL || gi->info_text == NULL)
4791     return;
4792
4793   strncpy(infotext, gi->info_text, max_infotext_len);
4794   infotext[max_infotext_len] = '\0';
4795
4796   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
4797   {
4798     int key = control_info[gi->custom_id].shortcut;
4799
4800     if (key)
4801     {
4802       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
4803         sprintf(shortcut, " ('.' or '%c')", key);
4804       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
4805         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
4806       else                                              /* normal case */
4807         sprintf(shortcut, " ('%s%c')",
4808                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
4809
4810       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
4811         strcat(infotext, shortcut);
4812     }
4813   }
4814
4815   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
4816 }
4817
4818 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
4819 {
4820   static int start_lx, start_ly;
4821   char *infotext;
4822   int id = gi->custom_id;
4823   int sx = gi->event.x;
4824   int sy = gi->event.y;
4825   int lx = sx + level_xpos;
4826   int ly = sy + level_ypos;
4827   int min_sx = 0, min_sy = 0;
4828   int max_sx = gi->drawing.area_xsize - 1;
4829   int max_sy = gi->drawing.area_ysize - 1;
4830
4831   ClearEditorGadgetInfoText();
4832
4833   if (gi->event.type == GD_EVENT_INFO_LEAVING)
4834     return;
4835
4836   /* make sure to stay inside drawing area boundaries */
4837   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
4838   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
4839
4840   if (id == GADGET_ID_DRAWING_LEVEL)
4841   {
4842     if (button_status)
4843     {
4844       int min_lx = 0, min_ly = 0;
4845       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
4846
4847       /* get positions inside level field */
4848       lx = sx + level_xpos;
4849       ly = sy + level_ypos;
4850
4851       /* make sure to stay inside level field boundaries */
4852       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
4853       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
4854
4855       /* correct drawing area positions accordingly */
4856       sx = lx - level_xpos;
4857       sy = ly - level_ypos;
4858     }
4859
4860     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
4861     {
4862       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
4863       {
4864         if (gi->event.type == GD_EVENT_PRESSED)
4865         {
4866           start_lx = lx;
4867           start_ly = ly;
4868         }
4869
4870         switch (drawing_function)
4871         {
4872           case GADGET_ID_SINGLE_ITEMS:
4873             infotext = "Drawing single items";
4874             break;
4875           case GADGET_ID_CONNECTED_ITEMS:
4876             infotext = "Drawing connected items";
4877             break;
4878           case GADGET_ID_LINE:
4879             infotext = "Drawing line";
4880             break;
4881           case GADGET_ID_ARC:
4882             infotext = "Drawing arc";
4883             break;
4884           case GADGET_ID_TEXT:
4885             infotext = "Setting text cursor";
4886             break;
4887           case GADGET_ID_RECTANGLE:
4888             infotext = "Drawing rectangle";
4889             break;
4890           case GADGET_ID_FILLED_BOX:
4891             infotext = "Drawing filled box";
4892             break;
4893           case GADGET_ID_FLOOD_FILL:
4894             infotext = "Flood fill";
4895             break;
4896           case GADGET_ID_GRAB_BRUSH:
4897             infotext = "Grabbing brush";
4898             break;
4899           case GADGET_ID_PICK_ELEMENT:
4900             infotext = "Picking element";
4901             break;
4902
4903           default:
4904             infotext = "Drawing position";
4905             break;
4906         }
4907
4908         if (drawing_function == GADGET_ID_PICK_ELEMENT)
4909           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4910                     "%s: %d, %d", infotext, lx, ly);
4911         else
4912           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4913                     "%s: %d, %d", infotext,
4914                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
4915       }
4916       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
4917         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4918                   "%s", getElementInfoText(Feld[lx][ly]));
4919       else
4920         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4921                   "Level position: %d, %d", lx, ly);
4922     }
4923
4924     /* misuse this function to draw brush cursor, if needed */
4925     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
4926     {
4927       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4928         CopyBrushToCursor(sx, sy);
4929       else
4930         DeleteBrushFromCursor();
4931     }
4932   }
4933   else if (id == GADGET_ID_AMOEBA_CONTENT)
4934     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4935               "Amoeba content");
4936   else if (id == GADGET_ID_CUSTOM_CHANGED)
4937     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4938               "Next element after change");
4939   else if (id == GADGET_ID_RANDOM_BACKGROUND)
4940     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4941               "Random placement background");
4942   else
4943     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
4944               "Content area %d position: %d, %d",
4945               id - GADGET_ID_ELEM_CONTENT_0 + 1, sx, sy);
4946 }
4947
4948 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
4949 {
4950   if (!ask_if_level_has_changed ||
4951       !LevelChanged() ||
4952       Request("Level has changed! Exit without saving ?",
4953               REQ_ASK | REQ_STAY_OPEN))
4954   {
4955     CloseDoor(DOOR_CLOSE_1);
4956     /*
4957     CloseDoor(DOOR_CLOSE_ALL);
4958     */
4959     game_status = MAINMENU;
4960     DrawMainMenu();
4961   }
4962   else
4963   {
4964     CloseDoor(DOOR_CLOSE_1);
4965     BlitBitmap(bitmap_db_door, bitmap_db_door,
4966                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
4967                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
4968     OpenDoor(DOOR_OPEN_1);
4969   }
4970 }