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
  26 /*
  27   -----------------------------------------------------------------------------
  28   screen and artwork graphic pixel position definitions
  29   -----------------------------------------------------------------------------
  30 */
  31
  32 /* positions in the level editor */
  33 #define ED_WIN_MB_LEFT_XPOS             6
  34 #define ED_WIN_MB_LEFT_YPOS             258
  35 #define ED_WIN_MB_MIDDLE_XPOS           42
  36 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  37 #define ED_WIN_MB_RIGHT_XPOS            78
  38 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  39
  40 /* values for the control window */
  41 #define ED_CTRL_BUTTONS_GFX_YPOS        236
  42 #define ED_CTRL_BUTTONS_ALT_GFX_YPOS    142
  43
  44 #define ED_CTRL1_BUTTONS_HORIZ          4
  45 #define ED_CTRL1_BUTTONS_VERT           4
  46 #define ED_CTRL1_BUTTON_XSIZE           22
  47 #define ED_CTRL1_BUTTON_YSIZE           22
  48 #define ED_CTRL1_BUTTONS_XPOS           6
  49 #define ED_CTRL1_BUTTONS_YPOS           6
  50 #define ED_CTRL2_BUTTONS_HORIZ          3
  51 #define ED_CTRL2_BUTTONS_VERT           2
  52 #define ED_CTRL2_BUTTON_XSIZE           30
  53 #define ED_CTRL2_BUTTON_YSIZE           20
  54 #define ED_CTRL2_BUTTONS_XPOS           5
  55 #define ED_CTRL2_BUTTONS_YPOS           99
  56 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  57 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  58 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
  59
  60 /* values for the element list */
  61 #define ED_ELEMENTLIST_XPOS             5
  62 #define ED_ELEMENTLIST_YPOS             30
  63 #define ED_ELEMENTLIST_XSIZE            20
  64 #define ED_ELEMENTLIST_YSIZE            20
  65 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  66 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  67 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  68                                          ED_ELEMENTLIST_BUTTONS_VERT)
  69
  70 /* values for the setting windows */
  71 #define ED_SETTINGS_XSTART              (3 * MINI_TILEX / 2)
  72 #define ED_SETTINGS_YSTART              (MINI_TILEY * 10)
  73
  74 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE + \
  75                                          2 * ED_GADGET_DISTANCE)
  76 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
  77
  78 #define ED_SETTINGS_XPOS(n)             (ED_SETTINGS_XSTART + \
  79                                          n * ED_SETTINGS_XOFFSET)
  80 #define ED_SETTINGS_YPOS(n)             (ED_SETTINGS_YSTART + \
  81                                          n * ED_SETTINGS_YOFFSET)
  82
  83 #define ED_SETTINGS1_YPOS               MINI_TILEY
  84 #define ED_SETTINGS2_XPOS               MINI_TILEX
  85 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
  86
  87 /* values for counter gadgets */
  88 #define ED_COUNT_ELEMENT_SCORE_XPOS     ED_SETTINGS_XPOS(0)
  89 #define ED_COUNT_ELEMENT_SCORE_YPOS     ED_SETTINGS_YPOS(0)
  90 #define ED_COUNT_ELEMENT_CONTENT_XPOS   ED_SETTINGS_XPOS(0)
  91 #define ED_COUNT_ELEMENT_CONTENT_YPOS   ED_SETTINGS_YPOS(6)
  92
  93 #define ED_COUNT_CHANGE_DELAY_XPOS      (ED_SETTINGS_XPOS(1) + 9 * MINI_TILEX)
  94
  95 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
  96 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
  97 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
  98                                          n * ED_COUNTER_YDISTANCE)
  99 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 100                                          n * ED_COUNTER_YDISTANCE - 2)
 101
 102 /* standard distances */
 103 #define ED_BORDER_SIZE                  3
 104 #define ED_BORDER2_SIZE                 5
 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      (20 * MINI_TILEX)
 112 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(1) + \
 113                                          ED_GADGET_DISTANCE)
 114
 115 #define ED_AREA_ELEM_CONTENT3_XPOS      (24 * MINI_TILEX)
 116 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(2) + \
 117                                          ED_GADGET_DISTANCE)
 118
 119 #define ED_AREA_ELEM_CONTENT4_XPOS      (17 * MINI_TILEX)
 120 #define ED_AREA_ELEM_CONTENT4_YPOS      (ED_SETTINGS_YPOS(8) + \
 121                                          ED_GADGET_DISTANCE - MINI_TILEY)
 122
 123 /* values for random placement background drawing area */
 124 #define ED_AREA_RANDOM_BACKGROUND_XPOS  (29 * MINI_TILEX)
 125 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 126
 127 /* values for scrolling gadgets for drawing area */
 128 #define ED_SCROLLBUTTON_XPOS            24
 129 #define ED_SCROLLBUTTON_YPOS            0
 130 #define ED_SCROLLBAR_XPOS               24
 131 #define ED_SCROLLBAR_YPOS               64
 132
 133 #define ED_SCROLLBUTTON_XSIZE           16
 134 #define ED_SCROLLBUTTON_YSIZE           16
 135
 136 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 137 #define ED_SCROLL_UP_YPOS               (0)
 138 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 139 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 140 #define ED_SCROLL_LEFT_XPOS             (0)
 141 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 142 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 143 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 144 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 145 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 146 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 147 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 148 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 149 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 150 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 151 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 152
 153 /* values for scrolling gadgets for element list */
 154 #define ED_SCROLLBUTTON2_XPOS           50
 155 #define ED_SCROLLBUTTON2_YPOS           0
 156 #define ED_SCROLLBAR2_XPOS              50
 157 #define ED_SCROLLBAR2_YPOS              20
 158
 159 #define ED_SCROLLBUTTON2_XSIZE          10
 160 #define ED_SCROLLBUTTON2_YSIZE          10
 161
 162 #define ED_SCROLL2_UP_XPOS              85
 163 #define ED_SCROLL2_UP_YPOS              30
 164 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 165 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 166                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 167                                          ED_ELEMENTLIST_YSIZE - \
 168                                          ED_SCROLLBUTTON2_YSIZE)
 169 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 170 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 171                                          ED_SCROLLBUTTON2_YSIZE)
 172 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 173 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 174                                          ED_ELEMENTLIST_YSIZE - \
 175                                          2 * ED_SCROLLBUTTON2_YSIZE)
 176
 177 /* values for checkbutton gadgets */
 178 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 179 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 180 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 181 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 182 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 183 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 184 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 185
 186 /* some positions in the editor control window */
 187 #define ED_BUTTON_ELEM_XPOS             6
 188 #define ED_BUTTON_ELEM_YPOS             30
 189 #define ED_BUTTON_ELEM_XSIZE            22
 190 #define ED_BUTTON_ELEM_YSIZE            22
 191
 192 /* some values for text input, selectbox and counter gadgets */
 193 #define ED_BUTTON_COUNT_YPOS            60
 194 #define ED_BUTTON_COUNT_XSIZE           20
 195 #define ED_BUTTON_COUNT_YSIZE           20
 196 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 197 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 198 #define ED_WIN_COUNT_XSIZE              52
 199 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 200 #define ED_WIN_COUNT2_XPOS              27
 201 #define ED_WIN_COUNT2_YPOS              3
 202 #define ED_WIN_COUNT2_XSIZE             46
 203 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 204
 205 #define ED_BUTTON_MINUS_XPOS            2
 206 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 207 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 208 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 209 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 210                                          ED_WIN_COUNT_XSIZE + 2)
 211 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 212 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 213 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 214
 215 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 216 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 217                                          2 + ED_WIN_COUNT_YSIZE)
 218 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 219 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 220
 221 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 222 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 223                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 224 #define ED_TEXTBUTTON_INACTIVE_YPOS     (ED_WIN_COUNT_YPOS + \
 225                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 226 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 227 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 228
 229 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 230 #define INFOTEXT_XPOS                   SX
 231 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 232 #define INFOTEXT_XSIZE                  SXSIZE
 233 #define INFOTEXT_YSIZE                  MINI_TILEX
 234
 235
 236 /*
 237   -----------------------------------------------------------------------------
 238   editor gadget definitions
 239   -----------------------------------------------------------------------------
 240 */
 241
 242 /* drawing toolbox buttons */
 243 #define GADGET_ID_NONE                  -1
 244 #define GADGET_ID_TOOLBOX_FIRST         0
 245
 246 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 247 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 248 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 249 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 250 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 251 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 252 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 253 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 254 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 255 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 256 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 257 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 258 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 259 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 260 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 261 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 262 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 263 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 264 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 265 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 266 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 267 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 268
 269 /* counter button identifiers */
 270 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 271
 272 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 273 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 274 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 275 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 276 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 277 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 278 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 279 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 280 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 281 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 282 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 283 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 284 #define GADGET_ID_LEVEL_COLLECT_DOWN    (GADGET_ID_COUNTER_FIRST + 12)
 285 #define GADGET_ID_LEVEL_COLLECT_TEXT    (GADGET_ID_COUNTER_FIRST + 13)
 286 #define GADGET_ID_LEVEL_COLLECT_UP      (GADGET_ID_COUNTER_FIRST + 14)
 287 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 288 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 289 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 290 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 291 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 292 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 293 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 294 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 295 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 296 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 297 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 298 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 299 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 27)
 300 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 28)
 301 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 29)
 302 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 30)
 303 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 31)
 304 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 32)
 305
 306 /* drawing area identifiers */
 307 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 33)
 308
 309 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 310 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 311 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 312 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 313 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 314 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 315 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 316 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 317 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 318 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 319 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 320 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 321 #define GADGET_ID_CUSTOM_CHANGED        (GADGET_ID_DRAWING_AREA_FIRST + 12)
 322 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 13)
 323
 324 /* text input identifiers */
 325 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 14)
 326
 327 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 328 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 329
 330 /* selectbox identifiers */
 331 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 2)
 332
 333 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 0)
 334 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 1)
 335 #define GADGET_ID_CUSTOM_WALKABLE_LAYER (GADGET_ID_SELECTBOX_FIRST + 2)
 336 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 3)
 337 #define GADGET_ID_CHANGE_CAUSE          (GADGET_ID_SELECTBOX_FIRST + 4)
 338
 339 /* textbutton identifiers */
 340 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 5)
 341
 342 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 343 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 344 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 345
 346 /* gadgets for scrolling of drawing area */
 347 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_TEXTBUTTON_FIRST + 3)
 348
 349 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 350 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 351 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 352 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 353 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 354 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 355
 356 /* gadgets for scrolling element list */
 357 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 358
 359 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 360 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 361 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 362
 363 /* buttons for level/element properties */
 364 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 365
 366 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 367 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 368 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 369 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 370 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 371 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 372 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 373 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 7)
 374 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 8)
 375 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 9)
 376 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 10)
 377 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 11)
 378 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 12)
 379 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 380 #define GADGET_ID_CUSTOM_WALKABLE       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 381 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 15)
 382 #define GADGET_ID_CUSTOM_CHANGEABLE     (GADGET_ID_CHECKBUTTON_FIRST + 16)
 383 #define GADGET_ID_CHANGE_DELAY_FIXED    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 384 #define GADGET_ID_CHANGE_DELAY_RANDOM   (GADGET_ID_CHECKBUTTON_FIRST + 18)
 385
 386 /* gadgets for buttons in element list */
 387 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 19)
 388 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 389                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 390
 391 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 392
 393 /* radio button numbers */
 394 #define RADIO_NR_NONE                   0
 395 #define RADIO_NR_DRAWING_TOOLBOX        1
 396 #define RADIO_NR_RANDOM_ELEMENTS        2
 397
 398 /* values for counter gadgets */
 399 #define ED_COUNTER_ID_SELECT_LEVEL      0
 400 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 401 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 402 #define ED_COUNTER_ID_LEVEL_COLLECT     3
 403 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 404 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 405 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 406 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 407 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 408 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  9
 409 #define ED_COUNTER_ID_CHANGE_DELAY_RND  10
 410
 411 #define ED_NUM_COUNTERBUTTONS           11
 412
 413 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 414 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 415
 416 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 417 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_DELAY_RND
 418
 419 /* values for scrollbutton gadgets */
 420 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 421 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 422 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 423 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 424 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 425 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 426
 427 #define ED_NUM_SCROLLBUTTONS            6
 428
 429 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 430 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 431
 432 /* values for scrollbar gadgets */
 433 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 434 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 435 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 436
 437 #define ED_NUM_SCROLLBARS               3
 438
 439 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 440 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 441
 442 /* values for text input gadgets */
 443 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 444 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 445
 446 #define ED_NUM_TEXTINPUT                2
 447
 448 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 449 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 450
 451 /* values for selectbox gadgets */
 452 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   0
 453 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   1
 454 #define ED_SELECTBOX_ID_CUSTOM_WALKABLE_LAYER   2
 455 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       3
 456 #define ED_SELECTBOX_ID_CHANGE_CAUSE            4
 457
 458 #define ED_NUM_SELECTBOX                        5
 459
 460 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 461 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_WALKABLE_LAYER
 462
 463 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 464 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_CHANGE_CAUSE
 465
 466 /* values for textbutton gadgets */
 467 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 468 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 469 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 470
 471 #define ED_NUM_TEXTBUTTON                       3
 472
 473 /* values for checkbutton gadgets */
 474 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 475 #define ED_CHECKBUTTON_ID_GRAVITY               1
 476 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 477 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 478 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 479 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 5
 480 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 6
 481 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       7
 482 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       8
 483 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      9
 484 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    10
 485 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       11
 486 #define ED_CHECKBUTTON_ID_CUSTOM_WALKABLE       12
 487 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    13
 488 #define ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE     14
 489 #define ED_CHECKBUTTON_ID_CHANGE_DELAY_FIXED    15
 490 #define ED_CHECKBUTTON_ID_CHANGE_DELAY_RANDOM   16
 491
 492 #define ED_NUM_CHECKBUTTONS                     17
 493
 494 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 495 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 496
 497 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 498 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 499
 500 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE
 501 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_DELAY_RANDOM
 502
 503 /* values for radiobutton gadgets */
 504 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 505 #define ED_RADIOBUTTON_ID_QUANTITY      1
 506
 507 #define ED_NUM_RADIOBUTTONS             2
 508
 509 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 510 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 511
 512
 513 /*
 514   -----------------------------------------------------------------------------
 515   some internally used definitions
 516   -----------------------------------------------------------------------------
 517 */
 518
 519 /* values for CopyLevelToUndoBuffer() */
 520 #define UNDO_IMMEDIATE                  0
 521 #define UNDO_ACCUMULATE                 1
 522
 523 /* values for scrollbars */
 524 #define ED_SCROLL_NO                    0
 525 #define ED_SCROLL_LEFT                  1
 526 #define ED_SCROLL_RIGHT                 2
 527 #define ED_SCROLL_UP                    4
 528 #define ED_SCROLL_DOWN                  8
 529
 530 /* screens in the level editor */
 531 #define ED_MODE_DRAWING                 0
 532 #define ED_MODE_INFO                    1
 533 #define ED_MODE_PROPERTIES              2
 534
 535 /* sub-screens in the element properties section */
 536 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 537 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 538 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 539
 540 /* how many steps can be cancelled */
 541 #define NUM_UNDO_STEPS                  (10 + 1)
 542
 543 /* values for elements with score */
 544 #define MIN_SCORE                       0
 545 #define MAX_SCORE                       255
 546
 547 /* values for random placement */
 548 #define RANDOM_USE_PERCENTAGE           0
 549 #define RANDOM_USE_QUANTITY             1
 550
 551 /* maximal size of level editor drawing area */
 552 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 553 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 554
 555
 556 /*
 557   -----------------------------------------------------------------------------
 558   some internally used data structure definitions
 559   -----------------------------------------------------------------------------
 560 */
 561
 562 static struct
 563 {
 564   char shortcut;
 565   char *text;
 566 } control_info[ED_NUM_CTRL_BUTTONS] =
 567 {
 568   { 's',        "draw single items"             },
 569   { 'd',        "draw connected items"          },
 570   { 'l',        "draw lines"                    },
 571   { 'a',        "draw arcs"                     },
 572   { 'r',        "draw outline rectangles"       },
 573   { 'R',        "draw filled rectangles"        },
 574   { '\0',       "wrap (rotate) level up"        },
 575   { 't',        "enter text elements"           },
 576   { 'f',        "flood fill"                    },
 577   { '\0',       "wrap (rotate) level left"      },
 578   { '?',        "properties of drawing element" },
 579   { '\0',       "wrap (rotate) level right"     },
 580   { '\0',       "random element placement"      },
 581   { 'b',        "grab brush"                    },
 582   { '\0',       "wrap (rotate) level down"      },
 583   { ',',        "pick drawing element"          },
 584   { 'U',        "undo last operation"           },
 585   { 'I',        "level properties"              },
 586   { 'S',        "save level"                    },
 587   { 'C',        "clear level"                   },
 588   { 'T',        "test level"                    },
 589   { 'E',        "exit level editor"             }
 590 };
 591
 592 static int random_placement_value = 10;
 593 static int random_placement_method = RANDOM_USE_QUANTITY;
 594 static int random_placement_background_element = EL_SAND;
 595 static boolean random_placement_background_restricted = FALSE;
 596 static boolean stick_element_properties_window = FALSE;
 597 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 598 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 599 static struct CustomElementInfo custom_element;
 600
 601 static struct
 602 {
 603   int x, y;
 604   int min_value, max_value;
 605   int gadget_id_down, gadget_id_up;
 606   int gadget_id_text;
 607   int *value;
 608   char *infotext_above, *infotext_right;
 609 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 610 {
 611   {
 612     DX + 5 - SX,                        DY + 3 - SY,
 613     1,                                  100,
 614     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 615     GADGET_ID_SELECT_LEVEL_TEXT,
 616     &level_nr,
 617     NULL,                               NULL
 618   },
 619   {
 620     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 621     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 622     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 623     GADGET_ID_LEVEL_XSIZE_TEXT,
 624     &level.fieldx,
 625     "playfield size",                   "width",
 626   },
 627   {
 628     ED_SETTINGS_XPOS(0) + 2 * DXSIZE,   ED_COUNTER_YPOS(2),
 629     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 630     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 631     GADGET_ID_LEVEL_YSIZE_TEXT,
 632     &level.fieldy,
 633     NULL,                               "height",
 634   },
 635   {
 636     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 637     0,                                  999,
 638     GADGET_ID_LEVEL_COLLECT_DOWN,       GADGET_ID_LEVEL_COLLECT_UP,
 639     GADGET_ID_LEVEL_COLLECT_TEXT,
 640     &level.gems_needed,
 641     "number of emeralds to collect",    NULL
 642   },
 643   {
 644     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 645     0,                                  999,
 646     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 647     GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 648     &level.time,
 649     "time available to solve level",    "(0 => no time limit)"
 650   },
 651   {
 652     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 653     0,                                  255,
 654     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 655     GADGET_ID_LEVEL_TIMESCORE_TEXT,
 656     &level.score[SC_TIME_BONUS],
 657     "score for each 10 seconds left",   NULL
 658   },
 659   {
 660     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 661     1,                                  100,
 662     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 663     GADGET_ID_LEVEL_RANDOM_TEXT,
 664     &random_placement_value,
 665     "random element placement",         "in"
 666   },
 667   {
 668     ED_COUNT_ELEMENT_SCORE_XPOS,        ED_COUNT_ELEMENT_SCORE_YPOS,
 669     MIN_SCORE,                          MAX_SCORE,
 670     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 671     GADGET_ID_ELEMENT_SCORE_TEXT,
 672     NULL,                               /* will be set when used */
 673     "element score",                    NULL
 674   },
 675   {
 676     ED_COUNT_ELEMENT_CONTENT_XPOS,      ED_COUNT_ELEMENT_CONTENT_YPOS,
 677     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 678     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 679     GADGET_ID_ELEMENT_CONTENT_TEXT,
 680     &level.num_yamyam_contents,
 681     "element content",                  NULL
 682   },
 683   {
 684     ED_COUNT_CHANGE_DELAY_XPOS,         ED_SETTINGS_YPOS(2),
 685     0,                                  999,
 686     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 687     GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 688     &custom_element.change.delay_fixed,
 689     NULL,                               "units (fixed)"
 690   },
 691   {
 692     ED_COUNT_CHANGE_DELAY_XPOS,         ED_SETTINGS_YPOS(3),
 693     0,                                  999,
 694     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 695     GADGET_ID_CHANGE_DELAY_RND_TEXT,
 696     &custom_element.change.delay_random,
 697     NULL,                               "units (random)"
 698   }
 699 };
 700
 701 static struct
 702 {
 703   int x, y;
 704   int gadget_id;
 705   int size;
 706   char *value;
 707   char *infotext;
 708 } textinput_info[ED_NUM_TEXTINPUT] =
 709 {
 710   {
 711     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
 712     GADGET_ID_LEVEL_NAME,
 713     MAX_LEVEL_NAME_LEN,
 714     level.name,
 715     "Title"
 716   },
 717   {
 718     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 719     GADGET_ID_LEVEL_AUTHOR,
 720     MAX_LEVEL_AUTHOR_LEN,
 721     level.author,
 722     "Author"
 723   }
 724 };
 725
 726 static struct ValueTextInfo options_walk_to_action[] =
 727 {
 728   { EP_DIGGABLE,        "diggable"              },
 729   { EP_COLLECTIBLE,     "collectible"           },
 730   { EP_PUSHABLE,        "pushable"              },
 731   { -1,                 NULL                    }
 732 };
 733 static int index_walk_to_action = 0;
 734
 735 static struct ValueTextInfo options_move_direction[] =
 736 {
 737   { EP_DIGGABLE,        "left"                  },
 738   { EP_COLLECTIBLE,     "right"                 },
 739   { EP_PUSHABLE,        "up"                    },
 740   { EP_PUSHABLE,        "down"                  },
 741   { EP_PUSHABLE,        "horizontal"            },
 742   { EP_PUSHABLE,        "vertical"              },
 743   { EP_PUSHABLE,        "all directions"        },
 744   { EP_PUSHABLE,        "towards player"        },
 745   { EP_PUSHABLE,        "away from player"      },
 746   { EP_PUSHABLE,        "along left side"       },
 747   { EP_PUSHABLE,        "along right side"      },
 748   { -1,                 NULL                    }
 749 };
 750 static int index_move_direction = 0;
 751
 752 static struct ValueTextInfo options_walkable_layer[] =
 753 {
 754   { EP_WALKABLE_OVER,   "over"                  },
 755   { EP_WALKABLE_INSIDE, "inside"                },
 756   { EP_WALKABLE_UNDER,  "under"                 },
 757   { -1,                 NULL                    }
 758 };
 759 static int index_walkable_layer = 0;
 760
 761 static struct ValueTextInfo options_time_units[] =
 762 {
 763   { 50,                 "seconds"               },
 764   { 1,                  "frames"                },
 765   { -1,                 NULL                    }
 766 };
 767 static int index_time_units = 0;
 768
 769 static struct ValueTextInfo options_change_cause[] =
 770 {
 771   { 1,                  "specified delay"       },
 772   { 2,                  "impact (active)"       },
 773   { 3,                  "impact (passive)"      },
 774   { 4,                  "touched by player"     },
 775   { 5,                  "pressed by player"     },
 776   { -1,                 NULL                    }
 777 };
 778 static int index_change_cause = 0, value_change_cause = 0;
 779
 780 static struct
 781 {
 782   int x, y;
 783   int gadget_id;
 784   int size;     /* size of selectbox (chars) or '0' (dynamically determined) */
 785   struct ValueTextInfo *options;
 786   int *index, *value;
 787   char *text, *infotext;
 788 } selectbox_info[ED_NUM_SELECTBOX] =
 789 {
 790   {
 791     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 792     GADGET_ID_CUSTOM_WALK_TO_ACTION,
 793     0,
 794     options_walk_to_action, &index_walk_to_action,
 795     &custom_element.walk_to_action,
 796     NULL, "diggable/collectible/pushable"
 797   },
 798   {
 799     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
 800     GADGET_ID_CUSTOM_MOVE_DIRECTION,
 801     0,
 802     options_move_direction, &index_move_direction,
 803     &custom_element.move_direction,
 804     "can move", "element move direction"
 805   },
 806   {
 807     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(10),
 808     GADGET_ID_CUSTOM_WALKABLE_LAYER,
 809     0,
 810     options_walkable_layer, &index_walkable_layer,
 811     &custom_element.walkable_layer,
 812     "player can walk", "layer where player can walk"
 813   },
 814   {
 815     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
 816     GADGET_ID_CHANGE_TIME_UNITS,
 817     0,
 818     options_time_units, &index_time_units,
 819     &custom_element.change.delay_frames,
 820     "delay time given in", "delay time units for change"
 821   },
 822   {
 823     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(8),
 824     GADGET_ID_CHANGE_CAUSE,
 825     0,
 826     options_change_cause, &index_change_cause,
 827     &value_change_cause,
 828     "test:", "test-selectbox entry"
 829   },
 830 };
 831
 832 static struct
 833 {
 834   int x, y;
 835   int gadget_id;
 836   int size;
 837   char *value;
 838   char *infotext;
 839 } textbutton_info[ED_NUM_TEXTBUTTON] =
 840 {
 841   {
 842     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 843     GADGET_ID_PROPERTIES_INFO,
 844     11, "Information",
 845     "Show information about element"
 846   },
 847   {
 848     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
 849     GADGET_ID_PROPERTIES_CONFIG,
 850     11, "Configure",
 851     "Configure element properties"
 852   },
 853   {
 854     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
 855     GADGET_ID_PROPERTIES_ADVANCED,
 856     11, "Advanced",
 857     "Advanced element configuration"
 858   },
 859 };
 860
 861 static struct
 862 {
 863   int xpos, ypos;
 864   int x, y;
 865   int gadget_id;
 866   char *infotext;
 867 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
 868 {
 869   {
 870     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
 871     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
 872     GADGET_ID_SCROLL_UP,
 873     "scroll level editing area up"
 874   },
 875   {
 876     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
 877     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
 878     GADGET_ID_SCROLL_DOWN,
 879     "scroll level editing area down"
 880   },
 881   {
 882     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
 883     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
 884     GADGET_ID_SCROLL_LEFT,
 885     "scroll level editing area left"
 886   },
 887   {
 888     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
 889     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
 890     GADGET_ID_SCROLL_RIGHT,
 891     "scroll level editing area right"
 892   },
 893   {
 894     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
 895     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
 896     GADGET_ID_SCROLL_LIST_UP,
 897     "scroll element list up ('Page Up')"
 898   },
 899   {
 900     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
 901     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
 902     GADGET_ID_SCROLL_LIST_DOWN,
 903     "scroll element list down ('Page Down')"
 904   }
 905 };
 906
 907 static struct
 908 {
 909   int xpos, ypos;
 910   int x, y;
 911   int width, height;
 912   int type;
 913   int gadget_id;
 914   char *infotext;
 915 } scrollbar_info[ED_NUM_SCROLLBARS] =
 916 {
 917   {
 918     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 919     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
 920     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
 921     GD_TYPE_SCROLLBAR_HORIZONTAL,
 922     GADGET_ID_SCROLL_HORIZONTAL,
 923     "scroll level editing area horizontally"
 924   },
 925   {
 926     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 927     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
 928     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
 929     GD_TYPE_SCROLLBAR_VERTICAL,
 930     GADGET_ID_SCROLL_VERTICAL,
 931     "scroll level editing area vertically"
 932   },
 933   {
 934     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
 935     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
 936     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
 937     GD_TYPE_SCROLLBAR_VERTICAL,
 938     GADGET_ID_SCROLL_LIST_VERTICAL,
 939     "scroll element list vertically"
 940   }
 941 };
 942
 943 static struct
 944 {
 945   int x, y;
 946   int gadget_id;
 947   int radio_button_nr;
 948   int *value;
 949   int checked_value;
 950   char *text, *infotext;
 951 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
 952 {
 953   {
 954     ED_SETTINGS_XPOS(0) + 160,          ED_COUNTER2_YPOS(8),
 955     GADGET_ID_RANDOM_PERCENTAGE,
 956     RADIO_NR_RANDOM_ELEMENTS,
 957     &random_placement_method,           RANDOM_USE_PERCENTAGE,
 958     "percentage",                       "use percentage for random elements"
 959   },
 960   {
 961     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER2_YPOS(8),
 962     GADGET_ID_RANDOM_QUANTITY,
 963     RADIO_NR_RANDOM_ELEMENTS,
 964     &random_placement_method,           RANDOM_USE_QUANTITY,
 965     "quantity",                         "use quantity for random elements"
 966   }
 967 };
 968
 969 static struct
 970 {
 971   int x, y;
 972   int gadget_id;
 973   boolean *value;
 974   char *text, *infotext;
 975 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
 976 {
 977   {
 978     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
 979     GADGET_ID_DOUBLE_SPEED,
 980     &level.double_speed,
 981     "double speed movement",            "set movement speed of player"
 982   },
 983   {
 984     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER_YPOS(6) - MINI_TILEY,
 985     GADGET_ID_GRAVITY,
 986     &level.gravity,
 987     "gravity",                          "set level gravity"
 988   },
 989   {
 990     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
 991     GADGET_ID_RANDOM_RESTRICTED,
 992     &random_placement_background_restricted,
 993     "restrict random placement to",     "set random placement restriction"
 994   },
 995   {
 996     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
 997     GADGET_ID_STICK_ELEMENT,
 998     &stick_element_properties_window,
 999     "stick this screen to edit content","stick this screen to edit content"
1000   },
1001   {
1002     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1003     GADGET_ID_EM_SLIPPERY_GEMS,
1004     &level.em_slippery_gems,
1005     "slip down from certain flat walls","use EM style slipping behaviour"
1006   },
1007   {
1008     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(3),
1009     GADGET_ID_CUSTOM_INDESTRUCTIBLE,
1010     &custom_element_properties[EP_INDESTRUCTIBLE],
1011     "indestructible",                   "element cannot be destroyed"
1012   },
1013   {
1014     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(4),
1015     GADGET_ID_CUSTOM_WALK_TO_OBJECT,
1016     &custom_element_properties[EP_WALK_TO_OBJECT],
1017     NULL,                               "player can dig/collect/push element"
1018   },
1019   {
1020     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1021     GADGET_ID_CUSTOM_CAN_MOVE,
1022     &custom_element_properties[EP_CAN_MOVE],
1023     NULL,                               "element can move in some direction"
1024   },
1025   {
1026     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
1027     GADGET_ID_CUSTOM_CAN_FALL,
1028     &custom_element_properties[EP_CAN_FALL],
1029     "can fall",                         "element can fall down"
1030   },
1031   {
1032     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(7),
1033     GADGET_ID_CUSTOM_CAN_SMASH,
1034     &custom_element_properties[EP_CAN_SMASH],
1035     "can smash",                        "element can smash other elements"
1036   },
1037   {
1038     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(8),
1039     GADGET_ID_CUSTOM_CAN_EXPLODE,
1040     &custom_element_properties[EP_CAN_EXPLODE],
1041     "can explode to:",                  "element can explode to other elements"
1042   },
1043   {
1044     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(9),
1045     GADGET_ID_CUSTOM_SLIPPERY,
1046     &custom_element_properties[EP_SLIPPERY],
1047     "slippery",                         "other elements can fall down from it"
1048   },
1049   {
1050     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1051     GADGET_ID_CUSTOM_WALKABLE,
1052     &custom_element_properties[EP_WALKABLE],
1053     NULL,                               "player can walk on the same field"
1054   },
1055   {
1056     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1057     GADGET_ID_CUSTOM_USE_GRAPHIC,
1058     &custom_element.use_gfx_element,
1059     "use graphic of element:",          "use graphic for custom element"
1060   },
1061   {
1062     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1063     GADGET_ID_CUSTOM_CHANGEABLE,
1064     &custom_element_properties[EP_CHANGEABLE],
1065     "element changes to    after:",     "element can change to other element"
1066   },
1067   {
1068     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1069     GADGET_ID_CHANGE_DELAY_FIXED,
1070     &custom_element_change_events[CE_DELAY_FIXED],
1071     "delay of",                         "element changes after fixed delay"
1072   },
1073   {
1074     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1075     GADGET_ID_CHANGE_DELAY_RANDOM,
1076     &custom_element_change_events[CE_DELAY_RANDOM],
1077     "delay of",                         "element changes after random delay"
1078   }
1079 };
1080
1081
1082 /*
1083   -----------------------------------------------------------------------------
1084   some internally used variables
1085   -----------------------------------------------------------------------------
1086 */
1087
1088 /* actual size of level editor drawing area */
1089 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1090
1091 /* actual position of level editor drawing area in level playfield */
1092 static int level_xpos = -1, level_ypos = -1;
1093
1094 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1095
1096 /* drawing elements on the three mouse buttons */
1097 static int new_element1 = EL_WALL;
1098 static int new_element2 = EL_EMPTY;
1099 static int new_element3 = EL_SAND;
1100
1101 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1102                                 (button) == 2 ? new_element2 : \
1103                                 (button) == 3 ? new_element3 : EL_EMPTY)
1104 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1105
1106 /* forward declaration for internal use */
1107 static void ModifyEditorCounter(int, int);
1108 static void ModifyEditorCounterLimits(int, int, int);
1109 static void ModifyEditorSelectbox(int, int);
1110 static void ModifyEditorElementList();
1111 static void DrawDrawingWindow();
1112 static void DrawLevelInfoWindow();
1113 static void DrawPropertiesWindow();
1114 static boolean checkPropertiesConfig();
1115 static void CopyLevelToUndoBuffer(int);
1116 static void HandleDrawingAreas(struct GadgetInfo *);
1117 static void HandleCounterButtons(struct GadgetInfo *);
1118 static void HandleTextInputGadgets(struct GadgetInfo *);
1119 static void HandleSelectboxGadgets(struct GadgetInfo *);
1120 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1121 static void HandleRadiobuttons(struct GadgetInfo *);
1122 static void HandleCheckbuttons(struct GadgetInfo *);
1123 static void HandleControlButtons(struct GadgetInfo *);
1124 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1125
1126 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1127
1128 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1129 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1130 static boolean draw_with_brush = FALSE;
1131 static int properties_element = 0;
1132
1133 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1134 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1135 static int undo_buffer_position = 0;
1136 static int undo_buffer_steps = 0;
1137
1138 static int edit_mode;
1139 static int edit_mode_properties;
1140
1141 static int element_shift = 0;
1142
1143 static int editor_el_boulderdash[] =
1144 {
1145   EL_CHAR('B'),
1146   EL_CHAR('O'),
1147   EL_CHAR('U'),
1148   EL_CHAR('L'),
1149
1150   EL_CHAR('-'),
1151   EL_CHAR('D'),
1152   EL_CHAR('E'),
1153   EL_CHAR('R'),
1154
1155   EL_CHAR('D'),
1156   EL_CHAR('A'),
1157   EL_CHAR('S'),
1158   EL_CHAR('H'),
1159
1160   EL_PLAYER_1,
1161   EL_EMPTY,
1162   EL_SAND,
1163   EL_STEELWALL,
1164
1165   EL_BD_WALL,
1166   EL_BD_MAGIC_WALL,
1167   EL_EXIT_CLOSED,
1168   EL_EXIT_OPEN,
1169
1170   EL_BD_DIAMOND,
1171   EL_BD_BUTTERFLY_UP,
1172   EL_BD_FIREFLY_UP,
1173   EL_BD_ROCK,
1174
1175   EL_BD_BUTTERFLY_LEFT,
1176   EL_BD_FIREFLY_LEFT,
1177   EL_BD_BUTTERFLY_RIGHT,
1178   EL_BD_FIREFLY_RIGHT,
1179
1180   EL_BD_AMOEBA,
1181   EL_BD_BUTTERFLY_DOWN,
1182   EL_BD_FIREFLY_DOWN,
1183   EL_EMPTY,
1184 };
1185 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1186
1187 static int editor_el_emerald_mine[] =
1188 {
1189   EL_CHAR('E'),
1190   EL_CHAR('M'),
1191   EL_CHAR('E'),
1192   EL_CHAR('-'),
1193
1194   EL_CHAR('R'),
1195   EL_CHAR('A'),
1196   EL_CHAR('L'),
1197   EL_CHAR('D'),
1198
1199   EL_CHAR('M'),
1200   EL_CHAR('I'),
1201   EL_CHAR('N'),
1202   EL_CHAR('E'),
1203
1204   EL_PLAYER_1,
1205   EL_PLAYER_2,
1206   EL_PLAYER_3,
1207   EL_PLAYER_4,
1208
1209   EL_PLAYER_1,
1210   EL_EMPTY,
1211   EL_SAND,
1212   EL_ROCK,
1213
1214   EL_STEELWALL,
1215   EL_WALL,
1216   EL_WALL_CRUMBLED,
1217   EL_MAGIC_WALL,
1218
1219   EL_EMERALD,
1220   EL_DIAMOND,
1221   EL_NUT,
1222   EL_BOMB,
1223
1224   EL_WALL_EMERALD,
1225   EL_WALL_DIAMOND,
1226   EL_QUICKSAND_EMPTY,
1227   EL_QUICKSAND_FULL,
1228
1229   EL_DYNAMITE,
1230   EL_DYNAMITE_ACTIVE,
1231   EL_EXIT_CLOSED,
1232   EL_EXIT_OPEN,
1233
1234   EL_YAMYAM,
1235   EL_BUG_UP,
1236   EL_SPACESHIP_UP,
1237   EL_ROBOT,
1238
1239   EL_BUG_LEFT,
1240   EL_SPACESHIP_LEFT,
1241   EL_BUG_RIGHT,
1242   EL_SPACESHIP_RIGHT,
1243
1244   EL_ROBOT_WHEEL,
1245   EL_BUG_DOWN,
1246   EL_SPACESHIP_DOWN,
1247   EL_INVISIBLE_WALL,
1248
1249   EL_ACID_POOL_TOPLEFT,
1250   EL_ACID,
1251   EL_ACID_POOL_TOPRIGHT,
1252   EL_EMPTY,
1253
1254   EL_ACID_POOL_BOTTOMLEFT,
1255   EL_ACID_POOL_BOTTOM,
1256   EL_ACID_POOL_BOTTOMRIGHT,
1257   EL_EMPTY,
1258
1259   EL_AMOEBA_DROP,
1260   EL_AMOEBA_DEAD,
1261   EL_AMOEBA_WET,
1262   EL_AMOEBA_DRY,
1263
1264   EL_EM_KEY_1_FILE,
1265   EL_EM_KEY_2_FILE,
1266   EL_EM_KEY_3_FILE,
1267   EL_EM_KEY_4_FILE,
1268
1269   EL_EM_GATE_1,
1270   EL_EM_GATE_2,
1271   EL_EM_GATE_3,
1272   EL_EM_GATE_4,
1273
1274   EL_EM_GATE_1_GRAY,
1275   EL_EM_GATE_2_GRAY,
1276   EL_EM_GATE_3_GRAY,
1277   EL_EM_GATE_4_GRAY,
1278 };
1279 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1280
1281 static int editor_el_more[] =
1282 {
1283   EL_CHAR('M'),
1284   EL_CHAR('O'),
1285   EL_CHAR('R'),
1286   EL_CHAR('E'),
1287
1288   EL_KEY_1,
1289   EL_KEY_2,
1290   EL_KEY_3,
1291   EL_KEY_4,
1292
1293   EL_GATE_1,
1294   EL_GATE_2,
1295   EL_GATE_3,
1296   EL_GATE_4,
1297
1298   EL_GATE_1_GRAY,
1299   EL_GATE_2_GRAY,
1300   EL_GATE_3_GRAY,
1301   EL_GATE_4_GRAY,
1302
1303   EL_ARROW_LEFT,
1304   EL_ARROW_RIGHT,
1305   EL_ARROW_UP,
1306   EL_ARROW_DOWN,
1307
1308   EL_AMOEBA_FULL,
1309   EL_EMERALD_YELLOW,
1310   EL_EMERALD_RED,
1311   EL_EMERALD_PURPLE,
1312
1313   EL_WALL_BD_DIAMOND,
1314   EL_WALL_EMERALD_YELLOW,
1315   EL_WALL_EMERALD_RED,
1316   EL_WALL_EMERALD_PURPLE,
1317
1318   EL_GAME_OF_LIFE,
1319   EL_PACMAN_UP,
1320   EL_TIME_ORB_FULL,
1321   EL_TIME_ORB_EMPTY,
1322
1323   EL_PACMAN_LEFT,
1324   EL_DARK_YAMYAM,
1325   EL_PACMAN_RIGHT,
1326   EL_EXPANDABLE_WALL,
1327
1328   EL_BIOMAZE,
1329   EL_PACMAN_DOWN,
1330   EL_LAMP,
1331   EL_LAMP_ACTIVE,
1332
1333   EL_DYNABOMB_INCREASE_NUMBER,
1334   EL_DYNABOMB_INCREASE_SIZE,
1335   EL_DYNABOMB_INCREASE_POWER,
1336   EL_STONEBLOCK,
1337
1338   EL_MOLE,
1339   EL_PENGUIN,
1340   EL_PIG,
1341   EL_DRAGON,
1342
1343   EL_EMPTY,
1344   EL_MOLE_UP,
1345   EL_EMPTY,
1346   EL_EMPTY,
1347
1348   EL_MOLE_LEFT,
1349   EL_EMPTY,
1350   EL_MOLE_RIGHT,
1351   EL_EMPTY,
1352
1353   EL_EMPTY,
1354   EL_MOLE_DOWN,
1355   EL_BALLOON,
1356   EL_BALLOON_SWITCH_ANY,
1357
1358   EL_BALLOON_SWITCH_LEFT,
1359   EL_BALLOON_SWITCH_RIGHT,
1360   EL_BALLOON_SWITCH_UP,
1361   EL_BALLOON_SWITCH_DOWN,
1362
1363   EL_SATELLITE,
1364   EL_EXPANDABLE_WALL_HORIZONTAL,
1365   EL_EXPANDABLE_WALL_VERTICAL,
1366   EL_EXPANDABLE_WALL_ANY,
1367
1368   EL_INVISIBLE_STEELWALL,
1369   EL_INVISIBLE_WALL,
1370   EL_SPEED_PILL,
1371   EL_BLACK_ORB,
1372
1373   EL_EMC_STEELWALL_1,
1374   EL_EMC_WALL_1,
1375   EL_EMC_WALL_2,
1376   EL_EMC_WALL_3,
1377
1378   EL_EMC_WALL_4,
1379   EL_EMC_WALL_5,
1380   EL_EMC_WALL_6,
1381   EL_EMC_WALL_7,
1382 };
1383 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1384
1385 static int editor_el_sokoban[] =
1386 {
1387   EL_CHAR('S'),
1388   EL_CHAR('O'),
1389   EL_CHAR('K'),
1390   EL_CHAR('O'),
1391
1392   EL_CHAR('-'),
1393   EL_CHAR('B'),
1394   EL_CHAR('A'),
1395   EL_CHAR('N'),
1396
1397   EL_SOKOBAN_OBJECT,
1398   EL_SOKOBAN_FIELD_EMPTY,
1399   EL_SOKOBAN_FIELD_FULL,
1400   EL_STEELWALL,
1401 };
1402 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1403
1404 static int editor_el_supaplex[] =
1405 {
1406   EL_CHAR('S'),
1407   EL_CHAR('U'),
1408   EL_CHAR('P'),
1409   EL_CHAR('A'),
1410
1411   EL_CHAR('P'),
1412   EL_CHAR('L'),
1413   EL_CHAR('E'),
1414   EL_CHAR('X'),
1415
1416   EL_SP_EMPTY,
1417   EL_SP_ZONK,
1418   EL_SP_BASE,
1419   EL_SP_MURPHY,
1420
1421   EL_SP_INFOTRON,
1422   EL_SP_CHIP_SINGLE,
1423   EL_SP_HARDWARE_GRAY,
1424   EL_SP_EXIT_CLOSED,
1425
1426   EL_SP_DISK_ORANGE,
1427   EL_SP_PORT_RIGHT,
1428   EL_SP_PORT_DOWN,
1429   EL_SP_PORT_LEFT,
1430
1431   EL_SP_PORT_UP,
1432   EL_SP_GRAVITY_PORT_RIGHT,
1433   EL_SP_GRAVITY_PORT_DOWN,
1434   EL_SP_GRAVITY_PORT_LEFT,
1435
1436   EL_SP_GRAVITY_PORT_UP,
1437   EL_SP_SNIKSNAK,
1438   EL_SP_DISK_YELLOW,
1439   EL_SP_TERMINAL,
1440
1441   EL_SP_DISK_RED,
1442   EL_SP_PORT_VERTICAL,
1443   EL_SP_PORT_HORIZONTAL,
1444   EL_SP_PORT_ANY,
1445
1446   EL_SP_ELECTRON,
1447   EL_SP_BUGGY_BASE,
1448   EL_SP_CHIP_LEFT,
1449   EL_SP_CHIP_RIGHT,
1450
1451   EL_SP_HARDWARE_BASE_1,
1452   EL_SP_HARDWARE_GREEN,
1453   EL_SP_HARDWARE_BLUE,
1454   EL_SP_HARDWARE_RED,
1455
1456   EL_SP_HARDWARE_YELLOW,
1457   EL_SP_HARDWARE_BASE_2,
1458   EL_SP_HARDWARE_BASE_3,
1459   EL_SP_HARDWARE_BASE_4,
1460
1461   EL_SP_HARDWARE_BASE_5,
1462   EL_SP_HARDWARE_BASE_6,
1463   EL_SP_CHIP_TOP,
1464   EL_SP_CHIP_BOTTOM,
1465 };
1466 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1467
1468 static int editor_el_diamond_caves[] =
1469 {
1470   EL_CHAR('D'),
1471   EL_CHAR('I'),
1472   EL_CHAR('A'),
1473   EL_CHAR('-'),
1474
1475   EL_CHAR('M'),
1476   EL_CHAR('O'),
1477   EL_CHAR('N'),
1478   EL_CHAR('D'),
1479
1480   EL_CHAR('C'),
1481   EL_CHAR('A'),
1482   EL_CHAR('V'),
1483   EL_CHAR('E'),
1484
1485   EL_CHAR('S'),
1486   EL_CHAR(' '),
1487   EL_CHAR('I'),
1488   EL_CHAR('I'),
1489
1490   EL_PEARL,
1491   EL_CRYSTAL,
1492   EL_WALL_PEARL,
1493   EL_WALL_CRYSTAL,
1494
1495   EL_CONVEYOR_BELT_1_LEFT,
1496   EL_CONVEYOR_BELT_1_MIDDLE,
1497   EL_CONVEYOR_BELT_1_RIGHT,
1498   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1499
1500   EL_CONVEYOR_BELT_2_LEFT,
1501   EL_CONVEYOR_BELT_2_MIDDLE,
1502   EL_CONVEYOR_BELT_2_RIGHT,
1503   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1504
1505   EL_CONVEYOR_BELT_3_LEFT,
1506   EL_CONVEYOR_BELT_3_MIDDLE,
1507   EL_CONVEYOR_BELT_3_RIGHT,
1508   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1509
1510   EL_CONVEYOR_BELT_4_LEFT,
1511   EL_CONVEYOR_BELT_4_MIDDLE,
1512   EL_CONVEYOR_BELT_4_RIGHT,
1513   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1514
1515   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1516   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1517   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1518   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1519
1520   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1521   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1522   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1523   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1524
1525   EL_SWITCHGATE_OPEN,
1526   EL_SWITCHGATE_CLOSED,
1527   EL_SWITCHGATE_SWITCH_UP,
1528   EL_ENVELOPE,
1529
1530   EL_TIMEGATE_CLOSED,
1531   EL_TIMEGATE_OPEN,
1532   EL_TIMEGATE_SWITCH,
1533   EL_EMPTY,
1534
1535   EL_LANDMINE,
1536   EL_INVISIBLE_SAND,
1537   EL_STEELWALL_SLANTED,
1538   EL_EMPTY,
1539
1540   EL_SIGN_EXCLAMATION,
1541   EL_SIGN_STOP,
1542   EL_LIGHT_SWITCH,
1543   EL_LIGHT_SWITCH_ACTIVE,
1544
1545   EL_SHIELD_NORMAL,
1546   EL_SHIELD_DEADLY,
1547   EL_EXTRA_TIME,
1548   EL_EMPTY,
1549 };
1550 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1551
1552 static int editor_el_dx_boulderdash[] =
1553 {
1554   EL_CHAR('D'),
1555   EL_CHAR('X'),
1556   EL_CHAR('-'),
1557   EL_CHAR(' '),
1558
1559   EL_CHAR('B'),
1560   EL_CHAR('O'),
1561   EL_CHAR('U'),
1562   EL_CHAR('L'),
1563
1564   EL_CHAR('-'),
1565   EL_CHAR('D'),
1566   EL_CHAR('E'),
1567   EL_CHAR('R'),
1568
1569   EL_CHAR('D'),
1570   EL_CHAR('A'),
1571   EL_CHAR('S'),
1572   EL_CHAR('H'),
1573
1574   EL_SPRING,
1575   EL_TUBE_RIGHT_DOWN,
1576   EL_TUBE_HORIZONTAL_DOWN,
1577   EL_TUBE_LEFT_DOWN,
1578
1579   EL_TUBE_HORIZONTAL,
1580   EL_TUBE_VERTICAL_RIGHT,
1581   EL_TUBE_ANY,
1582   EL_TUBE_VERTICAL_LEFT,
1583
1584   EL_TUBE_VERTICAL,
1585   EL_TUBE_RIGHT_UP,
1586   EL_TUBE_HORIZONTAL_UP,
1587   EL_TUBE_LEFT_UP,
1588
1589   EL_TRAP,
1590   EL_DX_SUPABOMB,
1591   EL_EMPTY,
1592   EL_EMPTY
1593 };
1594 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
1595
1596 static int editor_el_chars[] =
1597 {
1598   EL_CHAR('T'),
1599   EL_CHAR('E'),
1600   EL_CHAR('X'),
1601   EL_CHAR('T'),
1602
1603   EL_CHAR(' '),
1604   EL_CHAR('!'),
1605   EL_CHAR('"'),
1606   EL_CHAR('#'),
1607
1608   EL_CHAR('$'),
1609   EL_CHAR('%'),
1610   EL_CHAR('&'),
1611   EL_CHAR('\''),
1612
1613   EL_CHAR('('),
1614   EL_CHAR(')'),
1615   EL_CHAR('*'),
1616   EL_CHAR('+'),
1617
1618   EL_CHAR(','),
1619   EL_CHAR('-'),
1620   EL_CHAR('.'),
1621   EL_CHAR('/'),
1622
1623   EL_CHAR('0'),
1624   EL_CHAR('1'),
1625   EL_CHAR('2'),
1626   EL_CHAR('3'),
1627
1628   EL_CHAR('4'),
1629   EL_CHAR('5'),
1630   EL_CHAR('6'),
1631   EL_CHAR('7'),
1632
1633   EL_CHAR('8'),
1634   EL_CHAR('9'),
1635   EL_CHAR(':'),
1636   EL_CHAR(';'),
1637
1638   EL_CHAR('<'),
1639   EL_CHAR('='),
1640   EL_CHAR('>'),
1641   EL_CHAR('?'),
1642
1643   EL_CHAR('@'),
1644   EL_CHAR('A'),
1645   EL_CHAR('B'),
1646   EL_CHAR('C'),
1647
1648   EL_CHAR('D'),
1649   EL_CHAR('E'),
1650   EL_CHAR('F'),
1651   EL_CHAR('G'),
1652
1653   EL_CHAR('H'),
1654   EL_CHAR('I'),
1655   EL_CHAR('J'),
1656   EL_CHAR('K'),
1657
1658   EL_CHAR('L'),
1659   EL_CHAR('M'),
1660   EL_CHAR('N'),
1661   EL_CHAR('O'),
1662
1663   EL_CHAR('P'),
1664   EL_CHAR('Q'),
1665   EL_CHAR('R'),
1666   EL_CHAR('S'),
1667
1668   EL_CHAR('T'),
1669   EL_CHAR('U'),
1670   EL_CHAR('V'),
1671   EL_CHAR('W'),
1672
1673   EL_CHAR('X'),
1674   EL_CHAR('Y'),
1675   EL_CHAR('Z'),
1676   EL_CHAR('['),
1677
1678   EL_CHAR('\\'),
1679   EL_CHAR(']'),
1680   EL_CHAR('^'),
1681   EL_CHAR('_'),
1682
1683   EL_CHAR('©'),
1684   EL_CHAR('Ä'),
1685   EL_CHAR('Ö'),
1686   EL_CHAR('Ü'),
1687
1688   EL_CHAR('°'),
1689   EL_CHAR('®'),
1690   EL_CHAR(FONT_ASCII_CURSOR),
1691   EL_CHAR(' ')
1692 };
1693 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
1694
1695 static int editor_el_custom[] =
1696 {
1697   EL_CHAR('C'),
1698   EL_CHAR('U'),
1699   EL_CHAR('S'),
1700   EL_CHAR('-'),
1701
1702   EL_CHAR('T'),
1703   EL_CHAR('O'),
1704   EL_CHAR('M'),
1705   EL_CHAR(' '),
1706
1707   EL_CHAR('E'),
1708   EL_CHAR('L'),
1709   EL_CHAR('E'),
1710   EL_CHAR('M'),
1711
1712   EL_CHAR('E'),
1713   EL_CHAR('N'),
1714   EL_CHAR('T'),
1715   EL_CHAR('S'),
1716
1717   EL_CUSTOM_START + 0,
1718   EL_CUSTOM_START + 1,
1719   EL_CUSTOM_START + 2,
1720   EL_CUSTOM_START + 3,
1721
1722   EL_CUSTOM_START + 4,
1723   EL_CUSTOM_START + 5,
1724   EL_CUSTOM_START + 6,
1725   EL_CUSTOM_START + 7,
1726
1727   EL_CUSTOM_START + 8,
1728   EL_CUSTOM_START + 9,
1729   EL_CUSTOM_START + 10,
1730   EL_CUSTOM_START + 11,
1731
1732   EL_CUSTOM_START + 12,
1733   EL_CUSTOM_START + 13,
1734   EL_CUSTOM_START + 14,
1735   EL_CUSTOM_START + 15,
1736
1737   EL_CUSTOM_START + 16,
1738   EL_CUSTOM_START + 17,
1739   EL_CUSTOM_START + 18,
1740   EL_CUSTOM_START + 19,
1741
1742   EL_CUSTOM_START + 20,
1743   EL_CUSTOM_START + 21,
1744   EL_CUSTOM_START + 22,
1745   EL_CUSTOM_START + 23,
1746
1747   EL_CUSTOM_START + 24,
1748   EL_CUSTOM_START + 25,
1749   EL_CUSTOM_START + 26,
1750   EL_CUSTOM_START + 27,
1751
1752   EL_CUSTOM_START + 28,
1753   EL_CUSTOM_START + 29,
1754   EL_CUSTOM_START + 30,
1755   EL_CUSTOM_START + 31,
1756
1757   EL_CUSTOM_START + 32,
1758   EL_CUSTOM_START + 33,
1759   EL_CUSTOM_START + 34,
1760   EL_CUSTOM_START + 35,
1761
1762   EL_CUSTOM_START + 36,
1763   EL_CUSTOM_START + 37,
1764   EL_CUSTOM_START + 38,
1765   EL_CUSTOM_START + 39,
1766
1767   EL_CUSTOM_START + 40,
1768   EL_CUSTOM_START + 41,
1769   EL_CUSTOM_START + 42,
1770   EL_CUSTOM_START + 43,
1771
1772   EL_CUSTOM_START + 44,
1773   EL_CUSTOM_START + 45,
1774   EL_CUSTOM_START + 46,
1775   EL_CUSTOM_START + 47,
1776
1777   EL_CUSTOM_START + 48,
1778   EL_CUSTOM_START + 49,
1779   EL_CUSTOM_START + 50,
1780   EL_CUSTOM_START + 51,
1781
1782   EL_CUSTOM_START + 52,
1783   EL_CUSTOM_START + 53,
1784   EL_CUSTOM_START + 54,
1785   EL_CUSTOM_START + 55,
1786
1787   EL_CUSTOM_START + 56,
1788   EL_CUSTOM_START + 57,
1789   EL_CUSTOM_START + 58,
1790   EL_CUSTOM_START + 59,
1791
1792   EL_CUSTOM_START + 60,
1793   EL_CUSTOM_START + 61,
1794   EL_CUSTOM_START + 62,
1795   EL_CUSTOM_START + 63,
1796
1797   EL_CUSTOM_START + 64,
1798   EL_CUSTOM_START + 65,
1799   EL_CUSTOM_START + 66,
1800   EL_CUSTOM_START + 67,
1801
1802   EL_CUSTOM_START + 68,
1803   EL_CUSTOM_START + 69,
1804   EL_CUSTOM_START + 70,
1805   EL_CUSTOM_START + 71,
1806
1807   EL_CUSTOM_START + 72,
1808   EL_CUSTOM_START + 73,
1809   EL_CUSTOM_START + 74,
1810   EL_CUSTOM_START + 75,
1811
1812   EL_CUSTOM_START + 76,
1813   EL_CUSTOM_START + 77,
1814   EL_CUSTOM_START + 78,
1815   EL_CUSTOM_START + 79,
1816
1817   EL_CUSTOM_START + 80,
1818   EL_CUSTOM_START + 81,
1819   EL_CUSTOM_START + 82,
1820   EL_CUSTOM_START + 83,
1821
1822   EL_CUSTOM_START + 84,
1823   EL_CUSTOM_START + 85,
1824   EL_CUSTOM_START + 86,
1825   EL_CUSTOM_START + 87,
1826
1827   EL_CUSTOM_START + 88,
1828   EL_CUSTOM_START + 89,
1829   EL_CUSTOM_START + 90,
1830   EL_CUSTOM_START + 91,
1831
1832   EL_CUSTOM_START + 92,
1833   EL_CUSTOM_START + 93,
1834   EL_CUSTOM_START + 94,
1835   EL_CUSTOM_START + 95,
1836
1837   EL_CUSTOM_START + 96,
1838   EL_CUSTOM_START + 97,
1839   EL_CUSTOM_START + 98,
1840   EL_CUSTOM_START + 99,
1841
1842   EL_CUSTOM_START + 100,
1843   EL_CUSTOM_START + 101,
1844   EL_CUSTOM_START + 102,
1845   EL_CUSTOM_START + 103,
1846
1847   EL_CUSTOM_START + 104,
1848   EL_CUSTOM_START + 105,
1849   EL_CUSTOM_START + 106,
1850   EL_CUSTOM_START + 107,
1851
1852   EL_CUSTOM_START + 108,
1853   EL_CUSTOM_START + 109,
1854   EL_CUSTOM_START + 110,
1855   EL_CUSTOM_START + 111,
1856
1857   EL_CUSTOM_START + 112,
1858   EL_CUSTOM_START + 113,
1859   EL_CUSTOM_START + 114,
1860   EL_CUSTOM_START + 115,
1861
1862   EL_CUSTOM_START + 116,
1863   EL_CUSTOM_START + 117,
1864   EL_CUSTOM_START + 118,
1865   EL_CUSTOM_START + 119,
1866
1867   EL_CUSTOM_START + 120,
1868   EL_CUSTOM_START + 121,
1869   EL_CUSTOM_START + 122,
1870   EL_CUSTOM_START + 123,
1871
1872   EL_CUSTOM_START + 124,
1873   EL_CUSTOM_START + 125,
1874   EL_CUSTOM_START + 126,
1875   EL_CUSTOM_START + 127
1876 };
1877 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
1878
1879 static int *editor_elements = NULL;     /* dynamically allocated */
1880 static int num_editor_elements = 0;     /* dynamically determined */
1881
1882 static struct
1883 {
1884   boolean *setup_value;
1885   int *element_list;
1886   int *element_list_size;
1887
1888   boolean last_setup_value;
1889 }
1890 editor_elements_info[] =
1891 {
1892   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
1893     &num_editor_el_boulderdash                                          },
1894   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
1895     &num_editor_el_emerald_mine                                         },
1896   { &setup.editor.el_more,              editor_el_more,
1897     &num_editor_el_more                                                 },
1898   { &setup.editor.el_sokoban,           editor_el_sokoban,
1899     &num_editor_el_sokoban                                              },
1900   { &setup.editor.el_supaplex,          editor_el_supaplex,
1901     &num_editor_el_supaplex                                             },
1902   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
1903     &num_editor_el_diamond_caves                                        },
1904   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
1905     &num_editor_el_dx_boulderdash                                       },
1906   { &setup.editor.el_chars,             editor_el_chars,
1907     &num_editor_el_chars                                                },
1908   { &setup.editor.el_custom,            editor_el_custom,
1909     &num_editor_el_custom                                               },
1910   { NULL,                               NULL,
1911     NULL                                                                }
1912 };
1913
1914
1915 /*
1916   -----------------------------------------------------------------------------
1917   functions
1918   -----------------------------------------------------------------------------
1919 */
1920
1921 static void ReinitializeElementList()
1922 {
1923   int pos = 0;
1924   int i, j;
1925
1926   if (editor_elements != NULL)
1927     free(editor_elements);
1928
1929   num_editor_elements = 0;
1930
1931   /* determine size of element list */
1932   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1933     if (*editor_elements_info[i].setup_value)
1934       num_editor_elements += *editor_elements_info[i].element_list_size;
1935
1936   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
1937   {
1938     /* workaround: offer at least as many elements as element buttons exist */
1939     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
1940
1941     *editor_elements_info[list_nr].setup_value = TRUE;
1942     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
1943   }
1944
1945   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
1946
1947   /* fill element list */
1948   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1949     if (*editor_elements_info[i].setup_value)
1950       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
1951         editor_elements[pos++] = editor_elements_info[i].element_list[j];
1952 }
1953
1954 static void ReinitializeElementListButtons()
1955 {
1956   static boolean initialization_needed = TRUE;
1957   int i;
1958
1959   if (!initialization_needed)   /* check if editor element setup has changed */
1960     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1961       if (editor_elements_info[i].last_setup_value !=
1962           *editor_elements_info[i].setup_value)
1963         initialization_needed = TRUE;
1964
1965   if (!initialization_needed)
1966     return;
1967
1968   FreeLevelEditorGadgets();
1969   CreateLevelEditorGadgets();
1970
1971   /* store current setup values for next invocation of this function */
1972   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1973     editor_elements_info[i].last_setup_value =
1974       *editor_elements_info[i].setup_value;
1975
1976   initialization_needed = FALSE;
1977 }
1978
1979 static int getCounterGadgetWidth()
1980 {
1981   return (DXSIZE + getFontWidth(FONT_INPUT_1) - 2 * ED_GADGET_DISTANCE);
1982 }
1983
1984 static int getMaxInfoTextLength()
1985 {
1986   return (SXSIZE / getFontWidth(FONT_TEXT_2));
1987 }
1988
1989 static char *getElementInfoText(int element)
1990 {
1991   char *info_text = NULL;
1992
1993   if (element < NUM_FILE_ELEMENTS)
1994   {
1995     if (element_info[element].custom_description != NULL)
1996       info_text = element_info[element].custom_description;
1997     else if (element_info[element].editor_description != NULL)
1998       info_text = element_info[element].editor_description;
1999   }
2000
2001   if (info_text == NULL)
2002   {
2003     info_text = "unknown";
2004
2005     Error(ERR_WARN, "no element description for element %d", element);
2006   }
2007
2008   return info_text;
2009 }
2010
2011 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
2012 {
2013   int x,y;
2014   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
2015   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
2016
2017   BlitBitmap(drawto, drawto,
2018              SX + (dx == -1 ? MINI_TILEX : 0),
2019              SY + (dy == -1 ? MINI_TILEY : 0),
2020              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
2021              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
2022              SX + (dx == +1 ? MINI_TILEX : 0),
2023              SY + (dy == +1 ? MINI_TILEY : 0));
2024   if (dx)
2025   {
2026     x = (dx == 1 ? 0 : ed_fieldx - 1);
2027     for(y=0; y<ed_fieldy; y++)
2028       DrawMiniElementOrWall(x, y, from_x, from_y);
2029   }
2030   else if (dy)
2031   {
2032     y = (dy == 1 ? 0 : ed_fieldy - 1);
2033     for(x=0; x<ed_fieldx; x++)
2034       DrawMiniElementOrWall(x, y, from_x, from_y);
2035   }
2036
2037   redraw_mask |= REDRAW_FIELD;
2038   BackToFront();
2039 }
2040
2041 static void CreateControlButtons()
2042 {
2043   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2044   struct GadgetInfo *gi;
2045   unsigned long event_mask;
2046   int i;
2047
2048   /* create toolbox buttons */
2049   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2050   {
2051     int id = i;
2052     int width, height;
2053     int gd_xoffset, gd_yoffset;
2054     int gd_x1, gd_x2, gd_y1, gd_y2;
2055     int button_type;
2056     int radio_button_nr;
2057     boolean checked;
2058
2059     if (id == GADGET_ID_SINGLE_ITEMS ||
2060         id == GADGET_ID_CONNECTED_ITEMS ||
2061         id == GADGET_ID_LINE ||
2062         id == GADGET_ID_ARC ||
2063         id == GADGET_ID_TEXT ||
2064         id == GADGET_ID_RECTANGLE ||
2065         id == GADGET_ID_FILLED_BOX ||
2066         id == GADGET_ID_FLOOD_FILL ||
2067         id == GADGET_ID_GRAB_BRUSH ||
2068         id == GADGET_ID_PICK_ELEMENT)
2069     {
2070       button_type = GD_TYPE_RADIO_BUTTON;
2071       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
2072       checked = (id == drawing_function ? TRUE : FALSE);
2073       event_mask = GD_EVENT_PRESSED;
2074     }
2075     else
2076     {
2077       button_type = GD_TYPE_NORMAL_BUTTON;
2078       radio_button_nr = RADIO_NR_NONE;
2079       checked = FALSE;
2080
2081       if (id == GADGET_ID_WRAP_LEFT ||
2082           id == GADGET_ID_WRAP_RIGHT ||
2083           id == GADGET_ID_WRAP_UP ||
2084           id == GADGET_ID_WRAP_DOWN)
2085         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2086       else
2087         event_mask = GD_EVENT_RELEASED;
2088     }
2089
2090     if (id < ED_NUM_CTRL1_BUTTONS)
2091     {
2092       int x = i % ED_CTRL1_BUTTONS_HORIZ;
2093       int y = i / ED_CTRL1_BUTTONS_HORIZ;
2094
2095       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
2096       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
2097       width = ED_CTRL1_BUTTON_XSIZE;
2098       height = ED_CTRL1_BUTTON_YSIZE;
2099     }
2100     else
2101     {
2102       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
2103       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
2104
2105       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
2106       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
2107       width = ED_CTRL2_BUTTON_XSIZE;
2108       height = ED_CTRL2_BUTTON_YSIZE;
2109     }
2110
2111     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
2112     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
2113     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
2114     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
2115
2116     gi = CreateGadget(GDI_CUSTOM_ID, id,
2117                       GDI_CUSTOM_TYPE_ID, i,
2118                       GDI_INFO_TEXT, control_info[i].text,
2119                       GDI_X, EX + gd_xoffset,
2120                       GDI_Y, EY + gd_yoffset,
2121                       GDI_WIDTH, width,
2122                       GDI_HEIGHT, height,
2123                       GDI_TYPE, button_type,
2124                       GDI_STATE, GD_BUTTON_UNPRESSED,
2125                       GDI_RADIO_NR, radio_button_nr,
2126                       GDI_CHECKED, checked,
2127                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2128                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2129                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2130                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2131                       GDI_EVENT_MASK, event_mask,
2132                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2133                       GDI_CALLBACK_ACTION, HandleControlButtons,
2134                       GDI_END);
2135
2136     if (gi == NULL)
2137       Error(ERR_EXIT, "cannot create gadget");
2138
2139     level_editor_gadget[id] = gi;
2140   }
2141
2142   /* create buttons for scrolling of drawing area and element list */
2143   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
2144   {
2145     int id = scrollbutton_info[i].gadget_id;
2146     int x, y, width, height;
2147     int gd_x1, gd_x2, gd_y1, gd_y2;
2148
2149     x = scrollbutton_info[i].x;
2150     y = scrollbutton_info[i].y;
2151
2152     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2153
2154     if (id == GADGET_ID_SCROLL_LIST_UP ||
2155         id == GADGET_ID_SCROLL_LIST_DOWN)
2156     {
2157       x += DX;
2158       y += DY;
2159       width = ED_SCROLLBUTTON2_XSIZE;
2160       height = ED_SCROLLBUTTON2_YSIZE;
2161       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
2162       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
2163       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
2164       gd_y2 = gd_y1;
2165     }
2166     else
2167     {
2168       x += SX;
2169       y += SY;
2170       width = ED_SCROLLBUTTON_XSIZE;
2171       height = ED_SCROLLBUTTON_YSIZE;
2172       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
2173       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
2174       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2175       gd_y2 = gd_y1;
2176     }
2177
2178     gi = CreateGadget(GDI_CUSTOM_ID, id,
2179                       GDI_CUSTOM_TYPE_ID, i,
2180                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2181                       GDI_X, x,
2182                       GDI_Y, y,
2183                       GDI_WIDTH, width,
2184                       GDI_HEIGHT, height,
2185                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2186                       GDI_STATE, GD_BUTTON_UNPRESSED,
2187                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2188                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2189                       GDI_EVENT_MASK, event_mask,
2190                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2191                       GDI_CALLBACK_ACTION, HandleControlButtons,
2192                       GDI_END);
2193
2194     if (gi == NULL)
2195       Error(ERR_EXIT, "cannot create gadget");
2196
2197     level_editor_gadget[id] = gi;
2198   }
2199
2200   /* create buttons for element list */
2201   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2202   {
2203     Bitmap *deco_bitmap;
2204     int deco_x, deco_y, deco_xpos, deco_ypos;
2205     int gd_xoffset, gd_yoffset;
2206     int gd_x1, gd_x2, gd_y;
2207     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
2208     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
2209     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
2210     int element = editor_elements[i];
2211
2212     event_mask = GD_EVENT_RELEASED;
2213
2214     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
2215     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
2216
2217     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
2218     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
2219     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
2220
2221     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
2222     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
2223     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
2224
2225     gi = CreateGadget(GDI_CUSTOM_ID, id,
2226                       GDI_CUSTOM_TYPE_ID, i,
2227                       GDI_INFO_TEXT, getElementInfoText(element),
2228                       GDI_X, DX + gd_xoffset,
2229                       GDI_Y, DY + gd_yoffset,
2230                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
2231                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
2232                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2233                       GDI_STATE, GD_BUTTON_UNPRESSED,
2234                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2235                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2236                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2237                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2238                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2239                       GDI_DECORATION_SHIFTING, 1, 1,
2240                       GDI_EVENT_MASK, event_mask,
2241                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2242                       GDI_CALLBACK_ACTION, HandleControlButtons,
2243                       GDI_END);
2244
2245     if (gi == NULL)
2246       Error(ERR_EXIT, "cannot create gadget");
2247
2248     level_editor_gadget[id] = gi;
2249   }
2250 }
2251
2252 static void CreateCounterButtons()
2253 {
2254   int max_infotext_len = getMaxInfoTextLength();
2255   int i;
2256
2257   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
2258   {
2259     int j;
2260     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
2261     int ypos = SY + counterbutton_info[i].y;
2262
2263     for (j=0; j<2; j++)
2264     {
2265       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2266       struct GadgetInfo *gi;
2267       int id = (j == 0 ?
2268                 counterbutton_info[i].gadget_id_down :
2269                 counterbutton_info[i].gadget_id_up);
2270       int gd_xoffset;
2271       int gd_x, gd_x1, gd_x2, gd_y;
2272       int x_size, y_size;
2273       unsigned long event_mask;
2274       char infotext[max_infotext_len + 1];
2275
2276       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2277
2278       if (i == ED_COUNTER_ID_SELECT_LEVEL)
2279       {
2280         int sid = (j == 0 ?
2281                    ED_SCROLLBUTTON_ID_AREA_LEFT :
2282                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
2283
2284         event_mask |= GD_EVENT_RELEASED;
2285
2286         if (j == 1)
2287           xpos += 2 * ED_GADGET_DISTANCE;
2288         ypos += ED_GADGET_DISTANCE;
2289
2290         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].xpos;
2291         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2292         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].ypos;
2293         x_size = ED_SCROLLBUTTON_XSIZE;
2294         y_size = ED_SCROLLBUTTON_YSIZE;
2295       }
2296       else
2297       {
2298         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
2299         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2300         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2301         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
2302         x_size = ED_BUTTON_COUNT_XSIZE;
2303         y_size = ED_BUTTON_COUNT_YSIZE;
2304       }
2305
2306       sprintf(infotext, "%s counter value by 1, 5 or 10",
2307               (j == 0 ? "decrease" : "increase"));
2308
2309       gi = CreateGadget(GDI_CUSTOM_ID, id,
2310                         GDI_CUSTOM_TYPE_ID, i,
2311                         GDI_INFO_TEXT, infotext,
2312                         GDI_X, xpos,
2313                         GDI_Y, ypos,
2314                         GDI_WIDTH, x_size,
2315                         GDI_HEIGHT, y_size,
2316                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2317                         GDI_STATE, GD_BUTTON_UNPRESSED,
2318                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2319                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2320                         GDI_EVENT_MASK, event_mask,
2321                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2322                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2323                         GDI_END);
2324
2325       if (gi == NULL)
2326         Error(ERR_EXIT, "cannot create gadget");
2327
2328       level_editor_gadget[id] = gi;
2329       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
2330
2331       if (j == 0)
2332       {
2333         int font_type = FONT_INPUT_1;
2334         int font_type_active = FONT_INPUT_1_ACTIVE;
2335         int gd_width = ED_WIN_COUNT_XSIZE;
2336
2337         id = counterbutton_info[i].gadget_id_text;
2338         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2339
2340         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2341         {
2342           font_type = FONT_LEVEL_NUMBER;
2343           font_type_active = FONT_LEVEL_NUMBER;
2344
2345           xpos += 2 * ED_GADGET_DISTANCE;
2346           ypos -= ED_GADGET_DISTANCE;
2347
2348           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2349           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2350           gd_width = ED_WIN_COUNT2_XSIZE;
2351         }
2352         else
2353         {
2354           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2355           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2356         }
2357
2358         gi = CreateGadget(GDI_CUSTOM_ID, id,
2359                           GDI_CUSTOM_TYPE_ID, i,
2360                           GDI_INFO_TEXT, "enter counter value",
2361                           GDI_X, xpos,
2362                           GDI_Y, ypos,
2363                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2364                           GDI_NUMBER_VALUE, 0,
2365                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2366                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2367                           GDI_TEXT_SIZE, 3,
2368                           GDI_TEXT_FONT, font_type,
2369                           GDI_TEXT_FONT_ACTIVE, font_type_active,
2370                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2371                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2372                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2373                           GDI_DESIGN_WIDTH, gd_width,
2374                           GDI_EVENT_MASK, event_mask,
2375                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2376                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2377                           GDI_END);
2378
2379         if (gi == NULL)
2380           Error(ERR_EXIT, "cannot create gadget");
2381
2382         level_editor_gadget[id] = gi;
2383         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
2384       }
2385     }
2386   }
2387 }
2388
2389 static void CreateDrawingAreas()
2390 {
2391   struct GadgetInfo *gi;
2392   unsigned long event_mask;
2393   int id;
2394   int i;
2395
2396   event_mask =
2397     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
2398     GD_EVENT_OFF_BORDERS;
2399
2400   /* one for the level drawing area ... */
2401   id = GADGET_ID_DRAWING_LEVEL;
2402   gi = CreateGadget(GDI_CUSTOM_ID, id,
2403                     GDI_X, SX,
2404                     GDI_Y, SY,
2405                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2406                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2407                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2408                     GDI_EVENT_MASK, event_mask,
2409                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2410                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2411                     GDI_END);
2412
2413   if (gi == NULL)
2414     Error(ERR_EXIT, "cannot create gadget");
2415
2416   level_editor_gadget[id] = gi;
2417
2418   /* ... up to eight areas for element content ... */
2419   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2420   {
2421     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
2422     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
2423
2424     id = GADGET_ID_ELEMENT_CONTENT_0 + i;
2425     gi = CreateGadget(GDI_CUSTOM_ID, id,
2426                       GDI_CUSTOM_TYPE_ID, i,
2427                       GDI_X, gx,
2428                       GDI_Y, gy,
2429                       GDI_WIDTH, 3 * MINI_TILEX,
2430                       GDI_HEIGHT, 3 * MINI_TILEY,
2431                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2432                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2433                       GDI_EVENT_MASK, event_mask,
2434                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2435                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2436                       GDI_END);
2437
2438     if (gi == NULL)
2439       Error(ERR_EXIT, "cannot create gadget");
2440
2441     level_editor_gadget[id] = gi;
2442   }
2443
2444   /* ... one for the amoeba content ... */
2445   id = GADGET_ID_AMOEBA_CONTENT;
2446   gi = CreateGadget(GDI_CUSTOM_ID, id,
2447                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2448                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2449                     GDI_WIDTH, MINI_TILEX,
2450                     GDI_HEIGHT, MINI_TILEY,
2451                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2452                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2453                     GDI_EVENT_MASK, event_mask,
2454                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2455                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2456                     GDI_END);
2457
2458   if (gi == NULL)
2459     Error(ERR_EXIT, "cannot create gadget");
2460
2461   level_editor_gadget[id] = gi;
2462
2463   /* ... one for each custom element optional graphic element ... */
2464   id = GADGET_ID_CUSTOM_GRAPHIC;
2465   gi = CreateGadget(GDI_CUSTOM_ID, id,
2466                     GDI_X, SX + ED_AREA_ELEM_CONTENT3_XPOS,
2467                     GDI_Y, SY + ED_AREA_ELEM_CONTENT3_YPOS,
2468                     GDI_WIDTH, MINI_TILEX,
2469                     GDI_HEIGHT, MINI_TILEY,
2470                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2471                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2472                     GDI_EVENT_MASK, event_mask,
2473                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2474                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2475                     GDI_END);
2476
2477   if (gi == NULL)
2478     Error(ERR_EXIT, "cannot create gadget");
2479
2480   level_editor_gadget[id] = gi;
2481
2482   /* ... one areas for custom element explosion content ... */
2483   id = GADGET_ID_CUSTOM_CONTENT;
2484   gi = CreateGadget(GDI_CUSTOM_ID, id,
2485                     GDI_CUSTOM_TYPE_ID, i,
2486                     GDI_X, SX + ED_AREA_ELEM_CONTENT4_XPOS,
2487                     GDI_Y, SX + ED_AREA_ELEM_CONTENT4_YPOS,
2488                     GDI_WIDTH, 3 * MINI_TILEX,
2489                     GDI_HEIGHT, 3 * MINI_TILEY,
2490                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2491                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2492                     GDI_EVENT_MASK, event_mask,
2493                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2494                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2495                     GDI_END);
2496
2497   if (gi == NULL)
2498     Error(ERR_EXIT, "cannot create gadget");
2499
2500   level_editor_gadget[id] = gi;
2501
2502   /* ... one for each custom element change target element ... */
2503   id = GADGET_ID_CUSTOM_CHANGED;
2504   gi = CreateGadget(GDI_CUSTOM_ID, id,
2505                     GDI_X, SX + ED_AREA_ELEM_CONTENT2_XPOS,
2506                     GDI_Y, SY + ED_AREA_ELEM_CONTENT2_YPOS,
2507                     GDI_WIDTH, MINI_TILEX,
2508                     GDI_HEIGHT, MINI_TILEY,
2509                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2510                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2511                     GDI_EVENT_MASK, event_mask,
2512                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2513                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2514                     GDI_END);
2515
2516   if (gi == NULL)
2517     Error(ERR_EXIT, "cannot create gadget");
2518
2519   level_editor_gadget[id] = gi;
2520
2521   /* ... and one for random placement background restrictions */
2522
2523   id = GADGET_ID_RANDOM_BACKGROUND;
2524   gi = CreateGadget(GDI_CUSTOM_ID, id,
2525                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2526                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2527                     GDI_WIDTH, MINI_TILEX,
2528                     GDI_HEIGHT, MINI_TILEY,
2529                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2530                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2531                     GDI_EVENT_MASK, event_mask,
2532                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2533                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2534                     GDI_END);
2535
2536   if (gi == NULL)
2537     Error(ERR_EXIT, "cannot create gadget");
2538
2539   level_editor_gadget[id] = gi;
2540 }
2541
2542 static void CreateTextInputGadgets()
2543 {
2544   int max_infotext_len = getMaxInfoTextLength();
2545   int i;
2546
2547   for (i=0; i<ED_NUM_TEXTINPUT; i++)
2548   {
2549     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2550     int gd_x, gd_y;
2551     struct GadgetInfo *gi;
2552     unsigned long event_mask;
2553     char infotext[MAX_OUTPUT_LINESIZE + 1];
2554     int id = textinput_info[i].gadget_id;
2555
2556     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2557
2558     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2559     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2560
2561     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
2562     infotext[max_infotext_len] = '\0';
2563
2564     gi = CreateGadget(GDI_CUSTOM_ID, id,
2565                       GDI_CUSTOM_TYPE_ID, i,
2566                       GDI_INFO_TEXT, infotext,
2567                       GDI_X, SX + textinput_info[i].x,
2568                       GDI_Y, SY + textinput_info[i].y,
2569                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
2570                       GDI_TEXT_VALUE, textinput_info[i].value,
2571                       GDI_TEXT_SIZE, textinput_info[i].size,
2572                       GDI_TEXT_FONT, FONT_INPUT_1,
2573                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2574                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2575                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2576                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2577                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2578                       GDI_EVENT_MASK, event_mask,
2579                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2580                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
2581                       GDI_END);
2582
2583     if (gi == NULL)
2584       Error(ERR_EXIT, "cannot create gadget");
2585
2586     level_editor_gadget[id] = gi;
2587   }
2588 }
2589
2590 static void CreateSelectboxGadgets()
2591 {
2592   int max_infotext_len = getMaxInfoTextLength();
2593   int i, j;
2594
2595   for (i=0; i<ED_NUM_SELECTBOX; i++)
2596   {
2597     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2598     int gd_x, gd_y;
2599     int xoffset = 0;
2600     struct GadgetInfo *gi;
2601     unsigned long event_mask;
2602     char infotext[MAX_OUTPUT_LINESIZE + 1];
2603     int id = selectbox_info[i].gadget_id;
2604
2605     if (selectbox_info[i].size == 0)    /* dynamically determined */
2606     {
2607       /* (we cannot use -1 for uninitialized values if we directly compare
2608          with results from strlen(), because the '<' and '>' operation will
2609          implicitely cast -1 to an unsigned integer value!) */
2610
2611       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
2612         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
2613           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
2614
2615       selectbox_info[i].size++;         /* add one character empty space */
2616     }
2617
2618     event_mask = GD_EVENT_RELEASED |
2619       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2620
2621     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
2622     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
2623
2624     /* determine horizontal offset for leading selectbox text */
2625     if (selectbox_info[i].text != NULL)
2626       xoffset = (getFontWidth(FONT_TEXT_1) * strlen(selectbox_info[i].text) +
2627                  2 * ED_GADGET_DISTANCE);
2628
2629     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
2630     infotext[max_infotext_len] = '\0';
2631
2632     gi = CreateGadget(GDI_CUSTOM_ID, id,
2633                       GDI_CUSTOM_TYPE_ID, i,
2634                       GDI_INFO_TEXT, infotext,
2635                       GDI_X, SX + selectbox_info[i].x + xoffset,
2636                       GDI_Y, SY + selectbox_info[i].y,
2637                       GDI_TYPE, GD_TYPE_SELECTBOX,
2638                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
2639                       GDI_SELECTBOX_INDEX, selectbox_info[i].index,
2640                       GDI_TEXT_SIZE, selectbox_info[i].size,
2641                       GDI_TEXT_FONT, FONT_INPUT_1,
2642                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2643                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2644                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2645                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2646                       GDI_BORDER_SIZE_SELECTBUTTON, getFontWidth(FONT_INPUT_1),
2647                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2648                       GDI_EVENT_MASK, event_mask,
2649                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2650                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
2651                       GDI_END);
2652
2653     if (gi == NULL)
2654       Error(ERR_EXIT, "cannot create gadget");
2655
2656     level_editor_gadget[id] = gi;
2657   }
2658 }
2659
2660 static void CreateTextbuttonGadgets()
2661 {
2662   int max_infotext_len = getMaxInfoTextLength();
2663   int i;
2664
2665   for (i=0; i<ED_NUM_TEXTBUTTON; i++)
2666   {
2667     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2668     int gd_x1, gd_x2, gd_y1, gd_y2;
2669     struct GadgetInfo *gi;
2670     unsigned long event_mask;
2671     char infotext[MAX_OUTPUT_LINESIZE + 1];
2672     int id = textbutton_info[i].gadget_id;
2673
2674     event_mask = GD_EVENT_RELEASED;
2675
2676     gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
2677     gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
2678     gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
2679     gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
2680
2681     sprintf(infotext, "%s", textbutton_info[i].infotext);
2682     infotext[max_infotext_len] = '\0';
2683
2684     gi = CreateGadget(GDI_CUSTOM_ID, id,
2685                       GDI_CUSTOM_TYPE_ID, i,
2686                       GDI_INFO_TEXT, infotext,
2687                       GDI_X, SX + textbutton_info[i].x,
2688                       GDI_Y, SY + textbutton_info[i].y,
2689                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
2690                       GDI_TEXT_VALUE, textbutton_info[i].value,
2691                       GDI_TEXT_SIZE, textbutton_info[i].size,
2692                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
2693                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
2694                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2695                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2696                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2697                       GDI_BORDER_SIZE, ED_BORDER2_SIZE, ED_BORDER_SIZE,
2698                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2699                       GDI_DECORATION_SHIFTING, 1, 1,
2700                       GDI_EVENT_MASK, event_mask,
2701                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2702                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
2703                       GDI_END);
2704
2705     if (gi == NULL)
2706       Error(ERR_EXIT, "cannot create gadget");
2707
2708     level_editor_gadget[id] = gi;
2709   }
2710 }
2711
2712 static void CreateScrollbarGadgets()
2713 {
2714   int i;
2715
2716   for (i=0; i<ED_NUM_SCROLLBARS; i++)
2717   {
2718     int id = scrollbar_info[i].gadget_id;
2719     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2720     int gd_x1, gd_x2, gd_y1, gd_y2;
2721     struct GadgetInfo *gi;
2722     int items_max, items_visible, item_position;
2723     unsigned long event_mask;
2724
2725     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
2726     {
2727       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
2728       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
2729       item_position = 0;
2730     }
2731     else        /* drawing area scrollbars */
2732     {
2733       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
2734       {
2735         items_max = MAX(lev_fieldx + 2, ed_fieldx);
2736         items_visible = ed_fieldx;
2737         item_position = 0;
2738       }
2739       else
2740       {
2741         items_max = MAX(lev_fieldy + 2, ed_fieldy);
2742         items_visible = ed_fieldy;
2743         item_position = 0;
2744       }
2745     }
2746
2747     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2748
2749     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].xpos;
2750     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
2751                       scrollbar_info[i].height : scrollbar_info[i].width));
2752     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2753     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2754
2755     gi = CreateGadget(GDI_CUSTOM_ID, id,
2756                       GDI_CUSTOM_TYPE_ID, i,
2757                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2758                       GDI_X, scrollbar_info[i].x,
2759                       GDI_Y, scrollbar_info[i].y,
2760                       GDI_WIDTH, scrollbar_info[i].width,
2761                       GDI_HEIGHT, scrollbar_info[i].height,
2762                       GDI_TYPE, scrollbar_info[i].type,
2763                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2764                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2765                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2766                       GDI_STATE, GD_BUTTON_UNPRESSED,
2767                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2768                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2769                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2770                       GDI_EVENT_MASK, event_mask,
2771                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2772                       GDI_CALLBACK_ACTION, HandleControlButtons,
2773                       GDI_END);
2774
2775     if (gi == NULL)
2776       Error(ERR_EXIT, "cannot create gadget");
2777
2778     level_editor_gadget[id] = gi;
2779   }
2780 }
2781
2782 static void CreateCheckbuttonGadgets()
2783 {
2784   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2785   struct GadgetInfo *gi;
2786   unsigned long event_mask;
2787   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
2788   boolean checked;
2789   int i;
2790
2791   event_mask = GD_EVENT_PRESSED;
2792
2793   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2794   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2795   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
2796   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
2797   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
2798
2799   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
2800   {
2801     int id = radiobutton_info[i].gadget_id;
2802
2803     checked =
2804       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2805
2806     gi = CreateGadget(GDI_CUSTOM_ID, id,
2807                       GDI_CUSTOM_TYPE_ID, i,
2808                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
2809                       GDI_X, SX + radiobutton_info[i].x,
2810                       GDI_Y, SY + radiobutton_info[i].y,
2811                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2812                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2813                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
2814                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
2815                       GDI_CHECKED, checked,
2816                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2817                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2818                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2819                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2820                       GDI_EVENT_MASK, event_mask,
2821                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2822                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
2823                       GDI_END);
2824
2825     if (gi == NULL)
2826       Error(ERR_EXIT, "cannot create gadget");
2827
2828     level_editor_gadget[id] = gi;
2829   }
2830
2831   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
2832   {
2833     int id = checkbutton_info[i].gadget_id;
2834
2835     if (id == GADGET_ID_STICK_ELEMENT)
2836       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
2837     else
2838       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
2839
2840     gi = CreateGadget(GDI_CUSTOM_ID, id,
2841                       GDI_CUSTOM_TYPE_ID, i,
2842                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
2843                       GDI_X, SX + checkbutton_info[i].x,
2844                       GDI_Y, SY + checkbutton_info[i].y,
2845                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2846                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2847                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
2848                       GDI_CHECKED, *checkbutton_info[i].value,
2849                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2850                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2851                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2852                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2853                       GDI_EVENT_MASK, event_mask,
2854                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2855                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
2856                       GDI_END);
2857
2858     if (gi == NULL)
2859       Error(ERR_EXIT, "cannot create gadget");
2860
2861     level_editor_gadget[id] = gi;
2862   }
2863 }
2864
2865 void CreateLevelEditorGadgets()
2866 {
2867   int old_game_status = game_status;
2868
2869   /* setting 'game_status' is needed to get the right fonts for the editor */
2870   game_status = GAME_MODE_EDITOR;
2871
2872   ReinitializeElementList();
2873
2874   CreateControlButtons();
2875   CreateCounterButtons();
2876   CreateDrawingAreas();
2877   CreateTextInputGadgets();
2878   CreateSelectboxGadgets();
2879   CreateTextbuttonGadgets();
2880   CreateScrollbarGadgets();
2881   CreateCheckbuttonGadgets();
2882
2883   game_status = old_game_status;
2884 }
2885
2886 void FreeLevelEditorGadgets()
2887 {
2888   int i;
2889
2890   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2891     FreeGadget(level_editor_gadget[i]);
2892 }
2893
2894 static void MapCounterButtons(int id)
2895 {
2896   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
2897   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
2898   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
2899 }
2900
2901 static void MapControlButtons()
2902 {
2903   int counter_id;
2904   int i;
2905
2906   /* map toolbox buttons */
2907   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2908     MapGadget(level_editor_gadget[i]);
2909
2910   /* map buttons to select elements */
2911   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2912     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
2913   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
2914   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
2915   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
2916
2917   /* map buttons to select level */
2918   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
2919   ModifyEditorCounterLimits(counter_id,
2920                             leveldir_current->first_level,
2921                             leveldir_current->last_level);
2922   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2923   MapCounterButtons(counter_id);
2924 }
2925
2926 static void MapDrawingArea(int id)
2927 {
2928   MapGadget(level_editor_gadget[id]);
2929 }
2930
2931 static void MapTextInputGadget(int id)
2932 {
2933   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
2934 }
2935
2936 static void MapSelectboxGadget(int id)
2937 {
2938   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
2939 }
2940
2941 static void MapTextbuttonGadget(int id)
2942 {
2943   MapGadget(level_editor_gadget[textbutton_info[id].gadget_id]);
2944 }
2945
2946 static void MapRadiobuttonGadget(int id)
2947 {
2948   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
2949 }
2950
2951 static void MapCheckbuttonGadget(int id)
2952 {
2953   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
2954 }
2955
2956 static void MapMainDrawingArea()
2957 {
2958   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
2959   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
2960   int i;
2961
2962   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
2963   {
2964     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
2965           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
2966          no_horizontal_scrollbar) ||
2967         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
2968           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
2969          no_vertical_scrollbar))
2970       continue;
2971
2972     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
2973   }
2974
2975   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
2976   {
2977     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
2978         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
2979       continue;
2980
2981     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
2982   }
2983
2984   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
2985 }
2986
2987 static void UnmapDrawingArea(int id)
2988 {
2989   UnmapGadget(level_editor_gadget[id]);
2990 }
2991
2992 void UnmapLevelEditorWindowGadgets()
2993 {
2994   int i;
2995
2996   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2997     if (level_editor_gadget[i]->x < SX + SXSIZE)
2998       UnmapGadget(level_editor_gadget[i]);
2999 }
3000
3001 void UnmapLevelEditorGadgets()
3002 {
3003   int i;
3004
3005   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3006     UnmapGadget(level_editor_gadget[i]);
3007 }
3008
3009 static void ResetUndoBuffer()
3010 {
3011   undo_buffer_position = -1;
3012   undo_buffer_steps = -1;
3013   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3014 }
3015
3016 static void DrawEditModeWindow()
3017 {
3018   if (edit_mode == ED_MODE_INFO)
3019     DrawLevelInfoWindow();
3020   else if (edit_mode == ED_MODE_PROPERTIES)
3021     DrawPropertiesWindow();
3022   else  /* edit_mode == ED_MODE_DRAWING */
3023     DrawDrawingWindow();
3024 }
3025
3026 static boolean LevelChanged()
3027 {
3028   boolean level_changed = FALSE;
3029   int x, y;
3030
3031   for(y=0; y<lev_fieldy; y++)
3032     for(x=0; x<lev_fieldx; x++)
3033       if (Feld[x][y] != Ur[x][y])
3034         level_changed = TRUE;
3035
3036   return level_changed;
3037 }
3038
3039 static boolean LevelContainsPlayer()
3040 {
3041   boolean player_found = FALSE;
3042   int x, y;
3043
3044   for(y=0; y<lev_fieldy; y++)
3045     for(x=0; x<lev_fieldx; x++)
3046       if (Feld[x][y] == EL_PLAYER_1 ||
3047           Feld[x][y] == EL_SP_MURPHY)
3048         player_found = TRUE;
3049
3050   return player_found;
3051 }
3052
3053 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
3054                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
3055 {
3056   int x, y;
3057
3058   for(x=0; x<lev_fieldx; x++)
3059     for(y=0; y<lev_fieldy; y++)
3060       dst[x][y] = src[x][y];
3061 }
3062
3063 static void CopyCustomElementPropertiesToEditor(int element)
3064 {
3065   int i;
3066
3067   i = properties_element - EL_CUSTOM_START;
3068   custom_element = level.custom_element[i];
3069
3070   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3071     custom_element_properties[i] = HAS_PROPERTY(element, i);
3072
3073   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3074     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
3075
3076   /* set walk-to-object action selectbox help value */
3077   custom_element.walk_to_action =
3078     (IS_DIGGABLE(element) ? EP_DIGGABLE :
3079      IS_COLLECTIBLE(element) ? EP_COLLECTIBLE :
3080      EP_PUSHABLE);
3081
3082   /* set walkable layer selectbox help value */
3083   custom_element.walkable_layer =
3084     (IS_WALKABLE_OVER(element) ? EP_WALKABLE_OVER :
3085      IS_WALKABLE_INSIDE(element) ? EP_WALKABLE_INSIDE :
3086      EP_WALKABLE_UNDER);
3087 }
3088
3089 static void CopyCustomElementPropertiesToGame(int element)
3090 {
3091   int i;
3092
3093   i = properties_element - EL_CUSTOM_START;
3094   level.custom_element[i] = custom_element;
3095
3096   /* set walk-to-object property from checkbox and selectbox */
3097   custom_element_properties[EP_DIGGABLE] = FALSE;
3098   custom_element_properties[EP_COLLECTIBLE] = FALSE;
3099   custom_element_properties[EP_PUSHABLE] = FALSE;
3100   custom_element_properties[custom_element.walk_to_action] =
3101     custom_element_properties[EP_WALK_TO_OBJECT];
3102
3103   /* set walkable property from checkbox and selectbox */
3104   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
3105   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
3106   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
3107   custom_element_properties[custom_element.walkable_layer] =
3108     custom_element_properties[EP_WALKABLE];
3109
3110   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3111     SET_PROPERTY(element, i, custom_element_properties[i]);
3112
3113   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3114     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
3115
3116   /* copy change events also to special level editor variable */
3117   i = properties_element - EL_CUSTOM_START;
3118   custom_element = level.custom_element[i];
3119 }
3120
3121 void DrawLevelEd()
3122 {
3123   CloseDoor(DOOR_CLOSE_ALL);
3124   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
3125
3126   if (level_editor_test_game)
3127   {
3128     CopyPlayfield(Ur, Feld);
3129     CopyPlayfield(FieldBackup, Ur);
3130
3131     level_editor_test_game = FALSE;
3132   }
3133   else
3134   {
3135     edit_mode = ED_MODE_DRAWING;
3136     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
3137
3138     ResetUndoBuffer();
3139
3140     level_xpos = -1;
3141     level_ypos = -1;
3142   }
3143
3144   /* copy default editor door content to main double buffer */
3145   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3146              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
3147
3148   /* draw mouse button brush elements */
3149   DrawMiniGraphicExt(drawto,
3150                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3151                      el2edimg(new_element1));
3152   DrawMiniGraphicExt(drawto,
3153                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3154                      el2edimg(new_element2));
3155   DrawMiniGraphicExt(drawto,
3156                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3157                      el2edimg(new_element3));
3158
3159   /* draw bigger door */
3160   DrawSpecialEditorDoor();
3161
3162   /* draw new control window */
3163   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3164              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
3165
3166   redraw_mask |= REDRAW_ALL;
3167
3168   ReinitializeElementListButtons();     /* only needed after setup changes */
3169
3170   UnmapTapeButtons();
3171   MapControlButtons();
3172
3173   /* copy actual editor door content to door double buffer for OpenDoor() */
3174   BlitBitmap(drawto, bitmap_db_door,
3175              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
3176
3177   DrawEditModeWindow();
3178
3179   OpenDoor(DOOR_OPEN_1);
3180 }
3181
3182 static void AdjustDrawingAreaGadgets()
3183 {
3184   int ed_xsize = lev_fieldx + 2;
3185   int ed_ysize = lev_fieldy + 2;
3186   int max_ed_fieldx = MAX_ED_FIELDX;
3187   int max_ed_fieldy = MAX_ED_FIELDY;
3188   boolean horizontal_scrollbar_needed;
3189   boolean vertical_scrollbar_needed;
3190   int x, y, width, height;
3191   int xoffset, yoffset;
3192
3193   /* check if we need any scrollbars */
3194   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3195   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3196
3197   /* check if we have a smaller editor field because of scrollbars */
3198   if (horizontal_scrollbar_needed)
3199     max_ed_fieldy = MAX_ED_FIELDY - 1;
3200   if (vertical_scrollbar_needed)
3201     max_ed_fieldx = MAX_ED_FIELDX - 1;
3202
3203   /* check again if we now need more scrollbars because of less space */
3204   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3205   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3206
3207   /* check if editor field gets even smaller after adding new scrollbars */
3208   if (horizontal_scrollbar_needed)
3209     max_ed_fieldy = MAX_ED_FIELDY - 1;
3210   if (vertical_scrollbar_needed)
3211     max_ed_fieldx = MAX_ED_FIELDX - 1;
3212
3213   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
3214   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
3215
3216   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
3217                GDI_WIDTH, ed_fieldx * MINI_TILEX,
3218                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
3219                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
3220                GDI_END);
3221
3222   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
3223   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
3224
3225   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
3226   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
3227
3228   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
3229   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
3230
3231   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
3232   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
3233
3234   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3235                GDI_WIDTH, width,
3236                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
3237                GDI_END);
3238   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
3239                GDI_HEIGHT, height,
3240                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
3241                GDI_END);
3242 }
3243
3244 static void AdjustLevelScrollPosition()
3245 {
3246   if (level_xpos < -1)
3247     level_xpos = -1;
3248   if (level_xpos > lev_fieldx - ed_fieldx + 1)
3249     level_xpos = lev_fieldx - ed_fieldx + 1;
3250   if (lev_fieldx < ed_fieldx - 2)
3251     level_xpos = -1;
3252
3253   if (level_ypos < -1)
3254     level_ypos = -1;
3255   if (level_ypos > lev_fieldy - ed_fieldy + 1)
3256     level_ypos = lev_fieldy - ed_fieldy + 1;
3257   if (lev_fieldy < ed_fieldy - 2)
3258     level_ypos = -1;
3259 }
3260
3261 static void AdjustEditorScrollbar(int id)
3262 {
3263   struct GadgetInfo *gi = level_editor_gadget[id];
3264   int items_max, items_visible, item_position;
3265
3266   if (id == GADGET_ID_SCROLL_HORIZONTAL)
3267   {
3268     items_max = MAX(lev_fieldx + 2, ed_fieldx);
3269     items_visible = ed_fieldx;
3270     item_position = level_xpos + 1;
3271   }
3272   else
3273   {
3274     items_max = MAX(lev_fieldy + 2, ed_fieldy);
3275     items_visible = ed_fieldy;
3276     item_position = level_ypos + 1;
3277   }
3278
3279   if (item_position > items_max - items_visible)
3280     item_position = items_max - items_visible;
3281
3282   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
3283                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
3284 }
3285
3286 static void ModifyEditorTextInput(int textinput_id, char *new_text)
3287 {
3288   int gadget_id = textinput_info[textinput_id].gadget_id;
3289   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3290
3291   ModifyGadget(gi, GDI_TEXT_VALUE, new_text, GDI_END);
3292 }
3293
3294 static void ModifyEditorCounter(int counter_id, int new_value)
3295 {
3296   int *counter_value = counterbutton_info[counter_id].value;
3297   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3298   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3299
3300   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
3301
3302   if (counter_value != NULL)
3303     *counter_value = gi->text.number_value;
3304 }
3305
3306 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
3307 {
3308   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3309   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3310
3311   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
3312 }
3313
3314 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
3315 {
3316   int gadget_id = selectbox_info[selectbox_id].gadget_id;
3317   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3318   int new_index_value = 0;
3319   int i;
3320
3321   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
3322     if (selectbox_info[selectbox_id].options[i].value == new_value)
3323       new_index_value = i;
3324
3325   *selectbox_info[selectbox_id].value =
3326     selectbox_info[selectbox_id].options[new_index_value].value;
3327
3328   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
3329 }
3330
3331 static void ModifyEditorElementList()
3332 {
3333   int i;
3334
3335   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3336   {
3337     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
3338     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3339     struct GadgetDesign *gd = &gi->deco.design;
3340     int element = editor_elements[element_shift + i];
3341
3342     UnmapGadget(gi);
3343     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
3344     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
3345     MapGadget(gi);
3346   }
3347 }
3348
3349 static void PickDrawingElement(int button, int element)
3350 {
3351   if (button < 1 || button > 3)
3352     return;
3353
3354   if (button == 1)
3355   {
3356     new_element1 = element;
3357     DrawMiniGraphicExt(drawto,
3358                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3359                        el2edimg(new_element1));
3360   }
3361   else if (button == 2)
3362   {
3363     new_element2 = element;
3364     DrawMiniGraphicExt(drawto,
3365                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3366                        el2edimg(new_element2));
3367   }
3368   else
3369   {
3370     new_element3 = element;
3371     DrawMiniGraphicExt(drawto,
3372                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3373                        el2edimg(new_element3));
3374   }
3375
3376   redraw_mask |= REDRAW_DOOR_1;
3377 }
3378
3379 static void DrawDrawingWindow()
3380 {
3381   SetMainBackgroundImage(IMG_UNDEFINED);
3382   ClearWindow();
3383   UnmapLevelEditorWindowGadgets();
3384
3385   AdjustDrawingAreaGadgets();
3386   AdjustLevelScrollPosition();
3387   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
3388   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
3389
3390   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3391   MapMainDrawingArea();
3392 }
3393
3394 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
3395                               boolean input)
3396 {
3397   int border_graphic =
3398     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
3399   Bitmap *src_bitmap;
3400   int src_x, src_y;
3401   int num_mini_tilex = width / MINI_TILEX + 1;
3402   int num_mini_tiley = width / MINI_TILEY + 1;
3403   int x, y;
3404
3405   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3406
3407   for (y=0; y < num_mini_tiley; y++)
3408     for (x=0; x < num_mini_tilex; x++)
3409       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3410                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3411                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3412
3413   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3414 }
3415
3416 static void DrawRandomPlacementBackgroundArea()
3417 {
3418   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
3419   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
3420   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
3421   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
3422
3423   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3424   DrawMiniElement(area_x, area_y, random_placement_background_element);
3425
3426   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
3427 }
3428
3429 static void DrawLevelInfoWindow()
3430 {
3431   char infotext[MAX_OUTPUT_LINESIZE + 1];
3432   int max_infotext_len = getMaxInfoTextLength();
3433   int xoffset_above = 0;
3434   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3435   int xoffset_right = getCounterGadgetWidth();
3436   int yoffset_right = ED_BORDER_SIZE;
3437   int xoffset_right2 = ED_SETTINGS_XOFFSET;
3438   int yoffset_right2 = ED_BORDER_SIZE;
3439   int i, x, y;
3440
3441   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
3442   ClearWindow();
3443   UnmapLevelEditorWindowGadgets();
3444
3445   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
3446            "Level Settings", FONT_TITLE_1);
3447   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
3448            "Editor Settings", FONT_TITLE_1);
3449
3450   /* draw counter gadgets */
3451   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
3452   {
3453     if (counterbutton_info[i].infotext_above)
3454     {
3455       x = counterbutton_info[i].x + xoffset_above;
3456       y = counterbutton_info[i].y + yoffset_above;
3457
3458       sprintf(infotext, "%s:", counterbutton_info[i].infotext_above);
3459       infotext[max_infotext_len] = '\0';
3460       DrawTextF(x, y, FONT_TEXT_1, infotext);
3461     }
3462
3463     if (counterbutton_info[i].infotext_right)
3464     {
3465       x = counterbutton_info[i].x + xoffset_right;
3466       y = counterbutton_info[i].y + yoffset_right;
3467
3468       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
3469       infotext[max_infotext_len] = '\0';
3470       DrawTextF(x, y, FONT_TEXT_1, infotext);
3471     }
3472
3473     ModifyEditorCounter(i, *counterbutton_info[i].value);
3474     MapCounterButtons(i);
3475   }
3476
3477   /* draw text input gadgets */
3478   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
3479   {
3480     x = textinput_info[i].x + xoffset_above;
3481     y = textinput_info[i].y + yoffset_above;
3482
3483     sprintf(infotext, "%s:", textinput_info[i].infotext);
3484     infotext[max_infotext_len] = '\0';
3485
3486     DrawTextF(x, y, FONT_TEXT_1, infotext);
3487     ModifyEditorTextInput(i, textinput_info[i].value);
3488     MapTextInputGadget(i);
3489   }
3490
3491   /* draw radiobutton gadgets */
3492   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
3493   {
3494     boolean checked =
3495       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3496
3497     x = radiobutton_info[i].x + xoffset_right2;
3498     y = radiobutton_info[i].y + yoffset_right2;
3499
3500     DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[i].text);
3501     ModifyGadget(level_editor_gadget[radiobutton_info[i].gadget_id],
3502                  GDI_CHECKED, checked, GDI_END);
3503     MapRadiobuttonGadget(i);
3504   }
3505
3506   /* draw checkbutton gadgets */
3507   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
3508   {
3509     x = checkbutton_info[i].x + xoffset_right2;
3510     y = checkbutton_info[i].y + yoffset_right2;
3511
3512     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3513     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3514                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3515     MapCheckbuttonGadget(i);
3516   }
3517
3518   /* draw drawing area */
3519   DrawRandomPlacementBackgroundArea();
3520 }
3521
3522 static void DrawAmoebaContentArea()
3523 {
3524   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3525   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3526   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3527   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3528
3529   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3530   DrawMiniElement(area_x, area_y, level.amoeba_content);
3531
3532   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
3533
3534   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
3535 }
3536
3537 static void DrawCustomGraphicElementArea()
3538 {
3539   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_GRAPHIC];
3540 #if 0
3541   int xoffset_right2 = ED_SETTINGS_XOFFSET;
3542   int yoffset_right2 = ED_BORDER_SIZE;
3543   int i = ED_CHECKBUTTON_ID_CUSTOM_GRAPHIC;
3544   int text_len = strlen(checkbutton_info[i].text);
3545   int text_width = text_len * getFontWidth(FONT_TEXT_1);
3546   int xpos = checkbutton_info[i].x + 2 * xoffset_right2 + text_width;
3547   int ypos = checkbutton_info[i].y + yoffset_right2;
3548 #else
3549   int xpos = ED_AREA_ELEM_CONTENT3_XPOS;
3550   int ypos = ED_AREA_ELEM_CONTENT3_YPOS;
3551 #endif
3552   int area_sx = SX + xpos;
3553   int area_sy = SY + ypos;
3554
3555   if (!IS_CUSTOM_ELEMENT(properties_element))
3556   {
3557     /* this should never happen */
3558     Error(ERR_WARN, "element %d is no custom element", properties_element);
3559
3560     return;
3561   }
3562
3563   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3564   DrawMiniGraphicExt(drawto, gi->x, gi->y,
3565                      el2edimg(custom_element.gfx_element));
3566
3567   MapDrawingArea(GADGET_ID_CUSTOM_GRAPHIC);
3568 }
3569
3570 static void DrawCustomContentArea()
3571 {
3572   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CONTENT];
3573   int area_sx = SX + ED_AREA_ELEM_CONTENT4_XPOS;
3574   int area_sy = SY + ED_AREA_ELEM_CONTENT4_YPOS;
3575   int x, y;
3576
3577   if (!IS_CUSTOM_ELEMENT(properties_element))
3578   {
3579     /* this should never happen */
3580     Error(ERR_WARN, "element %d is no custom element", properties_element);
3581
3582     return;
3583   }
3584
3585   DrawElementBorder(area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
3586
3587   for (y=0; y<3; y++)
3588     for (x=0; x<3; x++)
3589       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
3590                          el2edimg(custom_element.content[x][y]));
3591
3592   MapDrawingArea(GADGET_ID_CUSTOM_CONTENT);
3593 }
3594
3595 static void DrawCustomChangedArea()
3596 {
3597   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGED];
3598 #if 0
3599   int xoffset_right2 = ED_SETTINGS_XOFFSET;
3600   int yoffset_right2 = ED_BORDER_SIZE;
3601   int i = ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE;
3602   int text_len = strlen(checkbutton_info[i].text);
3603   int text_width = text_len * getFontWidth(FONT_TEXT_1);
3604   int xpos = checkbutton_info[i].x + 2 * xoffset_right2 + text_width;
3605   int ypos = checkbutton_info[i].y + yoffset_right2;
3606 #else
3607   int xpos = ED_AREA_ELEM_CONTENT2_XPOS;
3608   int ypos = ED_AREA_ELEM_CONTENT2_YPOS;
3609 #endif
3610   int area_sx = SX + xpos;
3611   int area_sy = SY + ypos;
3612
3613   if (!IS_CUSTOM_ELEMENT(properties_element))
3614   {
3615     /* this should never happen */
3616     Error(ERR_WARN, "element %d is no custom element", properties_element);
3617
3618     return;
3619   }
3620
3621   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3622   DrawMiniGraphicExt(drawto, gi->x, gi->y,
3623                      el2edimg(custom_element.change.successor));
3624
3625   MapDrawingArea(GADGET_ID_CUSTOM_CHANGED);
3626 }
3627
3628 static void DrawElementContentAreas()
3629 {
3630   int counter_id = ED_COUNTER_ID_ELEMENT_CONTENT;
3631   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3632   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3633   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3634   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3635   int xoffset_right = getCounterGadgetWidth();
3636   int yoffset_right = ED_BORDER_SIZE;
3637   int i, x, y;
3638
3639   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
3640     UnmapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
3641
3642   /* display counter to choose number of element content areas */
3643   x = counterbutton_info[counter_id].x + xoffset_right;
3644   y = counterbutton_info[counter_id].y + yoffset_right;
3645   DrawTextF(x, y, FONT_TEXT_1, "number of content areas");
3646
3647   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
3648   MapCounterButtons(counter_id);
3649
3650   /* delete content areas in case of reducing number of them */
3651   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
3652
3653   for (i=0; i<level.num_yamyam_contents; i++)
3654     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
3655                       area_sy + 6 * (i / 4) * MINI_TILEY,
3656                       3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
3657
3658   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
3659            "Content", FONT_TEXT_1);
3660   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
3661            "when",    FONT_TEXT_1);
3662   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
3663            "smashed", FONT_TEXT_1);
3664
3665   for (i=0; i<level.num_yamyam_contents; i++)
3666   {
3667     for (y=0; y<3; y++)
3668       for (x=0; x<3; x++)
3669         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
3670                         level.yamyam_content[i][x][y]);
3671
3672     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
3673               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
3674               FONT_TEXT_1, "%d", i + 1);
3675   }
3676
3677   for (i=0; i<level.num_yamyam_contents; i++)
3678     MapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
3679 }
3680
3681 char *getElementDescriptionFilename(int element)
3682 {
3683   char *docs_dir = options.docs_directory;
3684   char *elements_subdir = "elements";
3685   static char *filename = NULL;
3686   char basename[MAX_FILENAME_LEN];
3687
3688   if (filename != NULL)
3689     free(filename);
3690
3691   /* 1st try: look for element description file for exactly this element */
3692   sprintf(basename, "%s.txt", element_info[element].token_name);
3693   filename = getPath3(docs_dir, elements_subdir, basename);
3694   if (fileExists(filename))
3695     return filename;
3696
3697   free(filename);
3698
3699   /* 2nd try: look for element description file for this element's class */
3700   sprintf(basename, "%s.txt", element_info[element].class_name);
3701   filename = getPath3(docs_dir, elements_subdir, basename);
3702   if (fileExists(filename))
3703     return filename;
3704
3705   return NULL;
3706 }
3707
3708 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
3709 {
3710   int font_height = getFontHeight(font_nr);
3711   int pad_x = ED_SETTINGS_XPOS(0);
3712   int pad_y = ED_SETTINGS_YPOS(0);
3713   int sx = SX + pad_x;
3714   int sy = SY + pad_y;
3715   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
3716
3717   if (screen_line >= max_lines_per_screen)
3718     return FALSE;
3719
3720   DrawText(sx, sy + screen_line * font_height, text, font_nr);
3721
3722   return TRUE;
3723 }
3724
3725 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
3726 {
3727   int font_nr = FONT_TEXT_2;
3728   int font_width = getFontWidth(font_nr);
3729   int pad_x = ED_SETTINGS_XPOS(0);
3730   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
3731   char line[MAX_LINE_LEN];
3732   char buffer[max_chars_per_line + 1];
3733   int buffer_len;
3734   int lines_printed = 0;
3735   FILE *file;
3736
3737   if (filename == NULL)
3738     return 0;
3739
3740   if (!(file = fopen(filename, MODE_READ)))
3741     return 0;
3742
3743   buffer[0] = '\0';
3744   buffer_len = 0;
3745
3746   while(!feof(file))
3747   {
3748     char *line_ptr, *word_ptr;
3749     boolean last_line_was_empty = TRUE;
3750
3751     /* read next line of input file */
3752     if (!fgets(line, MAX_LINE_LEN, file))
3753       break;
3754
3755     /* skip comments (lines directly beginning with '#') */
3756     if (line[0] == '#')
3757       continue;
3758
3759     /* cut trailing newline from input line */
3760     for (line_ptr = line; *line_ptr; line_ptr++)
3761     {
3762       if (*line_ptr == '\n' || *line_ptr == '\r')
3763       {
3764         *line_ptr = '\0';
3765         break;
3766       }
3767     }
3768
3769     if (strlen(line) == 0)              /* special case: force empty line */
3770       strcpy(line, "\n");
3771
3772     word_ptr = line;
3773
3774     while (*word_ptr)
3775     {
3776       boolean print_buffer = FALSE;
3777       int word_len;
3778
3779       /* skip leading whitespaces */
3780       while (*word_ptr == ' ' || *word_ptr == '\t')
3781         word_ptr++;
3782
3783       line_ptr = word_ptr;
3784       word_len = 0;
3785
3786       /* look for end of next word */
3787       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
3788       {
3789         line_ptr++;
3790         word_len++;
3791       }
3792
3793       if (word_len == 0)
3794       {
3795         continue;
3796       }
3797       else if (*word_ptr == '\n')       /* special case: force empty line */
3798       {
3799         if (buffer_len == 0)
3800           word_ptr++;
3801
3802         /* prevent printing of multiple empty lines */
3803         if (buffer_len > 0 || !last_line_was_empty)
3804           print_buffer = TRUE;
3805       }
3806       else if (word_len < max_chars_per_line - buffer_len)
3807       {
3808         /* word fits into text buffer -- add word */
3809
3810         if (buffer_len > 0)
3811           buffer[buffer_len++] = ' ';
3812
3813         strncpy(&buffer[buffer_len], word_ptr, word_len);
3814         buffer_len += word_len;
3815         buffer[buffer_len] = '\0';
3816         word_ptr += word_len;
3817       }
3818       else if (buffer_len > 0)
3819       {
3820         /* not enough space left for word in text buffer -- print buffer */
3821
3822         print_buffer = TRUE;
3823       }
3824       else
3825       {
3826         /* word does not fit at all into empty text buffer -- cut word */
3827
3828         strncpy(buffer, word_ptr, max_chars_per_line);
3829         buffer[max_chars_per_line] = '\0';
3830         word_ptr += max_chars_per_line;
3831         print_buffer = TRUE;
3832       }
3833
3834       if (print_buffer)
3835       {
3836         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
3837           return lines_printed;
3838
3839         last_line_was_empty = (buffer_len == 0);
3840         lines_printed++;
3841
3842         buffer[0] = '\0';
3843         buffer_len = 0;
3844         print_buffer = FALSE;
3845       }
3846     }
3847   }
3848
3849   fclose(file);
3850
3851   if (buffer_len > 0)
3852     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
3853       lines_printed++;
3854
3855   return lines_printed;
3856 }
3857
3858 static void DrawPropertiesTabulatorGadgets()
3859 {
3860   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
3861   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
3862   int gd_x = gd->x + gd_gi->border.width / 2;
3863   int gd_y = gd->y + gd_gi->height - 1;
3864   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
3865   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
3866   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
3867   int i;
3868
3869   /* draw additional "configure" tabulator for configurable elements */
3870   if (checkPropertiesConfig())
3871     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
3872
3873   /* draw additional "advanced" tabulator for custom elements */
3874   if (IS_CUSTOM_ELEMENT(properties_element))
3875     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
3876
3877   for (i=id_first; i <= id_last; i++)
3878   {
3879     int gadget_id = textbutton_info[i].gadget_id;
3880     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3881     boolean active = (i != edit_mode_properties);
3882
3883     /* draw background line below tabulator button */
3884     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
3885
3886     /* draw solid line below inactive tabulator buttons */
3887     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
3888       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
3889
3890     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
3891     MapTextbuttonGadget(i);
3892   }
3893
3894   /* draw little border line below tabulator buttons */
3895   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
3896     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
3897                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
3898                   ED_GADGET_DISTANCE, tab_color);
3899 }
3900
3901 static void DrawPropertiesInfo()
3902 {
3903   static struct
3904   {
3905     int value;
3906     char *text;
3907   }
3908   properties[] =
3909   {
3910     /* configurable properties */
3911     { EP_INDESTRUCTIBLE,        "- undestructible"                      },
3912     { EP_DIGGABLE,              "- diggable"                            },
3913     { EP_COLLECTIBLE,           "- collectible"                         },
3914     { EP_PUSHABLE,              "- pushable"                            },
3915     { EP_CAN_FALL,              "- can fall"                            },
3916     { EP_CAN_SMASH,             "- can smash other objects"             },
3917     { EP_CAN_MOVE,              "- can move"                            },
3918     { EP_SLIPPERY,              "- slippery for falling objects"        },
3919     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
3920     { EP_WALKABLE_OVER,         "- player can walk over it"             },
3921     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
3922     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
3923     { EP_PASSABLE_OVER,         "- player can pass over it"             },
3924     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
3925     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
3926
3927     /* pre-defined properties */
3928     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
3929     { EP_DONT_TOUCH,            "- deadly when touched"                 },
3930     { EP_ENEMY,                 "- can kill the player"                 },
3931     { EP_DONT_GO_TO,            "- deadly when walked to"               },
3932     { EP_CAN_EXPLODE,           "- can explode"                         },
3933     { EP_HAS_CONTENT,           "- can contain other elements"          },
3934
3935     { -1,                       NULL                                    }
3936   };
3937   char *filename = getElementDescriptionFilename(properties_element);
3938   char *percentage_text = "In this level:";
3939   char *properties_text = "Standard properties:";
3940   float percentage;
3941   int num_elements_in_level;
3942   int num_standard_properties = 0;
3943   int font1_nr = FONT_TEXT_1;
3944   int font2_nr = FONT_TEXT_2;
3945   int font1_width = getFontWidth(font1_nr);
3946   int font2_height = getFontHeight(font2_nr);
3947   int pad_x = ED_SETTINGS_XPOS(0);
3948   int pad_y = ED_SETTINGS_YPOS(0);
3949   int screen_line = 0;
3950   int i, x, y;
3951
3952   /* ----- print number of elements / percentage of this element in level */
3953
3954   num_elements_in_level = 0;
3955   for (y=0; y<lev_fieldy; y++)
3956     for (x=0; x<lev_fieldx; x++)
3957       if (Feld[x][y] == properties_element)
3958         num_elements_in_level++;
3959   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
3960
3961   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
3962             percentage_text);
3963   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
3964             pad_y + screen_line++ * font2_height, font2_nr,
3965             "%d (%.2f%%)", num_elements_in_level, percentage);
3966
3967   screen_line++;
3968
3969   /* ----- print standard properties of this element */
3970
3971   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
3972             properties_text);
3973
3974   for (i=0; properties[i].value != -1; i++)
3975   {
3976     if (!HAS_PROPERTY(properties_element, properties[i].value))
3977       continue;
3978
3979     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
3980               properties[i].text);
3981     num_standard_properties++;
3982   }
3983
3984   if (num_standard_properties == 0)
3985     DrawTextF(pad_x + strlen(properties_text) * font1_width,
3986               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
3987
3988   screen_line++;
3989
3990   /* ----- print special description of this element */
3991
3992   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
3993   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
3994     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
3995 }
3996
3997 #define TEXT_COLLECTING         "Score for collecting"
3998 #define TEXT_SMASHING           "Score for smashing"
3999 #define TEXT_CRACKING           "Score for cracking"
4000 #define TEXT_SPEED              "Speed of amoeba growth"
4001 #define TEXT_DURATION           "Duration when activated"
4002
4003 static struct
4004 {
4005   int element;
4006   int *value;
4007   char *text;
4008 } elements_with_counter[] =
4009 {
4010   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
4011   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
4012   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4013   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4014   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4015   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
4016   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
4017   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
4018   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
4019   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
4020   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
4021   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
4022   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
4023   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
4024   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4025   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4026   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4027   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4028   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4029   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4030   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4031   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4032   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4033   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4034   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
4035   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
4036   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
4037   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4038   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4039   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
4040   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
4041   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
4042   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
4043   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
4044   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
4045   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4046   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4047   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4048   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4049   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
4050   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
4051   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
4052   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
4053   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
4054   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
4055   { -1,                 NULL,                           NULL            }
4056 };
4057
4058 static boolean checkPropertiesConfig()
4059 {
4060   int i;
4061
4062   if (IS_GEM(properties_element) ||
4063       IS_CUSTOM_ELEMENT(properties_element) ||
4064       HAS_CONTENT(properties_element))
4065     return TRUE;
4066   else
4067     for (i=0; elements_with_counter[i].element != -1; i++)
4068       if (elements_with_counter[i].element == properties_element)
4069         return TRUE;
4070
4071   return FALSE;
4072 }
4073
4074 static void DrawPropertiesConfig()
4075 {
4076   boolean element_has_score = FALSE;
4077   char *element_score_text = NULL;
4078   static int temporary_dummy_score = 0;
4079   int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
4080   int xoffset_right = getCounterGadgetWidth();
4081   int yoffset_right = ED_BORDER_SIZE;
4082   int xoffset_right2 = ED_SETTINGS_XOFFSET;
4083   int yoffset_right2 = ED_BORDER_SIZE;
4084   int i, x, y;
4085
4086   /* check if there are elements where a score can be chosen for */
4087   for (i=0; elements_with_counter[i].element != -1; i++)
4088   {
4089     if (elements_with_counter[i].element == properties_element)
4090     {
4091 #if 1
4092       counterbutton_info[counter_id].value = elements_with_counter[i].value;
4093       element_score_text = elements_with_counter[i].text;
4094       element_has_score = TRUE;
4095 #else
4096       int x = counterbutton_info[counter_id].x + xoffset_right;
4097       int y = counterbutton_info[counter_id].y + yoffset_right;
4098
4099       counterbutton_info[counter_id].value = elements_with_counter[i].value;
4100       DrawTextF(x, y, FONT_TEXT_1, elements_with_counter[i].text);
4101
4102       ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
4103       MapCounterButtons(counter_id);
4104 #endif
4105       break;
4106     }
4107   }
4108
4109   if (IS_CUSTOM_ELEMENT(properties_element))
4110   {
4111     counterbutton_info[counter_id].value = &temporary_dummy_score;
4112     element_score_text = "Score for certain actions";
4113     element_has_score = TRUE;
4114   }
4115
4116   if (element_has_score)
4117   {
4118     int x = counterbutton_info[counter_id].x + xoffset_right;
4119     int y = counterbutton_info[counter_id].y + yoffset_right;
4120
4121     DrawTextF(x, y, FONT_TEXT_1, element_score_text);
4122
4123     ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
4124     MapCounterButtons(counter_id);
4125   }
4126
4127   if (HAS_CONTENT(properties_element) ||
4128       IS_CUSTOM_ELEMENT(properties_element))
4129   {
4130     /* draw stickybutton gadget */
4131     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4132     if (HAS_CONTENT(properties_element))
4133       checkbutton_info[i].y = ED_COUNTER_YPOS(4);
4134     else
4135       checkbutton_info[i].y = ED_SETTINGS_YPOS(1);
4136     x = checkbutton_info[i].x + xoffset_right2;
4137     y = checkbutton_info[i].y + yoffset_right2;
4138
4139     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4140     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4141                  GDI_CHECKED, *checkbutton_info[i].value,
4142                  GDI_Y, SY + checkbutton_info[i].y, GDI_END);
4143     MapCheckbuttonGadget(i);
4144
4145     if (IS_CUSTOM_ELEMENT(properties_element))
4146     {
4147       DrawCustomGraphicElementArea();
4148       DrawCustomContentArea();
4149     }
4150     else if (IS_AMOEBOID(properties_element))
4151       DrawAmoebaContentArea();
4152     else
4153       DrawElementContentAreas();
4154   }
4155
4156   if (IS_GEM(properties_element))
4157   {
4158     /* draw checkbutton gadget */
4159     i = ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS;
4160     x = checkbutton_info[i].x + xoffset_right2;
4161     y = checkbutton_info[i].y + yoffset_right2;
4162
4163     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4164     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4165                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
4166     MapCheckbuttonGadget(i);
4167   }
4168
4169   if (IS_CUSTOM_ELEMENT(properties_element))
4170   {
4171     /* draw checkbutton gadgets */
4172     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
4173          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
4174     {
4175       x = checkbutton_info[i].x + xoffset_right2;
4176       y = checkbutton_info[i].y + yoffset_right2;
4177
4178       DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4179       ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4180                    GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
4181       MapCheckbuttonGadget(i);
4182     }
4183
4184     /* draw selectbox gadgets */
4185     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
4186     {
4187       int yoffset = ED_BORDER_SIZE;
4188
4189       x = selectbox_info[i].x;
4190       y = selectbox_info[i].y + yoffset;
4191
4192       DrawTextF(x, y, FONT_TEXT_1, selectbox_info[i].text);
4193       ModifyEditorSelectbox(i, *selectbox_info[i].value);
4194       MapSelectboxGadget(i);
4195     }
4196   }
4197 }
4198
4199 static void DrawPropertiesAdvanced()
4200 {
4201   char infotext[MAX_OUTPUT_LINESIZE + 1];
4202   int max_infotext_len = getMaxInfoTextLength();
4203   int xoffset_right = getCounterGadgetWidth();
4204   int yoffset_right = ED_BORDER_SIZE;
4205   int xoffset_right2 = ED_SETTINGS_XOFFSET;
4206   int yoffset_right2 = ED_BORDER_SIZE;
4207   int i, x, y;
4208
4209   /* draw stickybutton gadget */
4210   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4211   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4212   x = checkbutton_info[i].x + xoffset_right2;
4213   y = checkbutton_info[i].y + yoffset_right2;
4214
4215   DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4216   ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4217                GDI_CHECKED, *checkbutton_info[i].value,
4218                GDI_Y, SY + checkbutton_info[i].y, GDI_END);
4219   MapCheckbuttonGadget(i);
4220
4221   /* draw counter gadgets */
4222   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
4223   {
4224     if (counterbutton_info[i].infotext_right)
4225     {
4226       x = counterbutton_info[i].x + xoffset_right;
4227       y = counterbutton_info[i].y + yoffset_right;
4228
4229       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
4230       infotext[max_infotext_len] = '\0';
4231       DrawTextF(x, y, FONT_TEXT_1, infotext);
4232     }
4233
4234     ModifyEditorCounter(i, *counterbutton_info[i].value);
4235     MapCounterButtons(i);
4236   }
4237
4238   /* draw checkbutton gadgets */
4239   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
4240        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
4241   {
4242     x = checkbutton_info[i].x + xoffset_right2;
4243     y = checkbutton_info[i].y + yoffset_right2;
4244
4245     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4246     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4247                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
4248     MapCheckbuttonGadget(i);
4249   }
4250
4251   /* draw selectbox gadgets */
4252   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
4253   {
4254     int yoffset = ED_BORDER_SIZE;
4255
4256     x = selectbox_info[i].x;
4257     y = selectbox_info[i].y + yoffset;
4258
4259     DrawTextF(x, y, FONT_TEXT_1, selectbox_info[i].text);
4260     ModifyEditorSelectbox(i, *selectbox_info[i].value);
4261     MapSelectboxGadget(i);
4262   }
4263
4264   DrawCustomChangedArea();
4265 }
4266
4267 static void DrawPropertiesWindow()
4268 {
4269   int xstart = 2;
4270   int ystart = 4;
4271
4272   /* make sure that previous properties edit mode exists for this element */
4273   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
4274       !IS_CUSTOM_ELEMENT(properties_element))
4275     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
4276
4277   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
4278       !checkPropertiesConfig())
4279     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
4280
4281   if (IS_CUSTOM_ELEMENT(properties_element))
4282     CopyCustomElementPropertiesToEditor(properties_element);
4283
4284   UnmapLevelEditorWindowGadgets();
4285
4286   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4287   ClearWindow();
4288
4289   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4290            "Element Settings", FONT_TITLE_1);
4291
4292   DrawElementBorder(SX + xstart * MINI_TILEX,
4293                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4294                     TILEX, TILEY, FALSE);
4295   DrawGraphicAnimationExt(drawto,
4296                           SX + xstart * MINI_TILEX,
4297                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4298                           el2img(properties_element), -1, NO_MASKING);
4299
4300   FrameCounter = 0;     /* restart animation frame counter */
4301
4302   DrawTextF((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
4303             FONT_TEXT_1, getElementInfoText(properties_element));
4304
4305   DrawPropertiesTabulatorGadgets();
4306
4307   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
4308     DrawPropertiesInfo();
4309   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
4310     DrawPropertiesConfig();
4311   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
4312     DrawPropertiesAdvanced();
4313 }
4314
4315 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
4316 {
4317   int lx = sx + level_xpos;
4318   int ly = sy + level_ypos;
4319
4320   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
4321
4322   if (change_level)
4323     Feld[lx][ly] = element;
4324 }
4325
4326 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
4327                      int element, boolean change_level)
4328 {
4329   if (from_y == to_y)                   /* horizontal line */
4330   {
4331     int x;
4332     int y = from_y;
4333
4334     if (from_x > to_x)
4335       swap_numbers(&from_x, &to_x);
4336
4337     for (x=from_x; x<=to_x; x++)
4338       DrawLineElement(x, y, element, change_level);
4339   }
4340   else if (from_x == to_x)              /* vertical line */
4341   {
4342     int x = from_x;
4343     int y;
4344
4345     if (from_y > to_y)
4346       swap_numbers(&from_y, &to_y);
4347
4348     for (y=from_y; y<=to_y; y++)
4349       DrawLineElement(x, y, element, change_level);
4350   }
4351   else                                  /* diagonal line */
4352   {
4353     int len_x = ABS(to_x - from_x);
4354     int len_y = ABS(to_y - from_y);
4355     int x, y;
4356
4357     if (len_y < len_x)                  /* a < 1 */
4358     {
4359       float a = (float)len_y / (float)len_x;
4360
4361       if (from_x > to_x)
4362         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4363
4364       for (x=0; x<=len_x; x++)
4365       {
4366         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
4367         DrawLineElement(from_x + x, from_y + y, element, change_level);
4368       }
4369     }
4370     else                                /* a >= 1 */
4371     {
4372       float a = (float)len_x / (float)len_y;
4373
4374       if (from_y > to_y)
4375         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4376
4377       for (y=0; y<=len_y; y++)
4378       {
4379         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
4380         DrawLineElement(from_x + x, from_y + y, element, change_level);
4381       }
4382     }
4383   }
4384 }
4385
4386 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
4387                     int element, boolean change_level)
4388 {
4389   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
4390   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
4391   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
4392   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
4393 }
4394
4395 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
4396                           int element, boolean change_level)
4397 {
4398   int y;
4399
4400   if (from_y > to_y)
4401     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4402
4403   for (y=from_y; y<=to_y; y++)
4404     DrawLine(from_x, y, to_x, y, element, change_level);
4405 }
4406
4407 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
4408                        int element, boolean change_level)
4409 {
4410   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
4411   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
4412   int len_x = ABS(to_x - from_x);
4413   int len_y = ABS(to_y - from_y);
4414   int radius, x, y;
4415
4416   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
4417
4418   /* not optimal (some points get drawn twice) but simple,
4419      and fast enough for the few points we are drawing */
4420
4421   for (x=0; x<=radius; x++)
4422   {
4423     int sx, sy, lx, ly;
4424
4425     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
4426
4427     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4428     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4429     lx = sx + level_xpos;
4430     ly = sy + level_ypos;
4431
4432     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4433       DrawLineElement(sx, sy, element, change_level);
4434   }
4435
4436   for (y=0; y<=radius; y++)
4437   {
4438     int sx, sy, lx, ly;
4439
4440     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
4441
4442     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4443     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4444     lx = sx + level_xpos;
4445     ly = sy + level_ypos;
4446
4447     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4448       DrawLineElement(sx, sy, element, change_level);
4449   }
4450 }
4451
4452 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
4453                     int element, boolean change_level)
4454 {
4455   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4456   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4457
4458   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4459 }
4460
4461 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
4462 #if DRAW_CIRCLES_BUTTON_AVAILABLE
4463 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
4464                        int element, boolean change_level)
4465 {
4466   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4467   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4468   int mirror_to_x2 = from_x - (to_x2 - from_x);
4469   int mirror_to_y2 = from_y - (to_y2 - from_y);
4470
4471   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4472   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
4473   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
4474   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
4475 }
4476 #endif
4477
4478 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
4479 {
4480   int from_sx, from_sy;
4481   int to_sx, to_sy;
4482
4483   if (from_x > to_x)
4484     swap_numbers(&from_x, &to_x);
4485
4486   if (from_y > to_y)
4487     swap_numbers(&from_y, &to_y);
4488
4489   from_sx = SX + from_x * MINI_TILEX;
4490   from_sy = SY + from_y * MINI_TILEY;
4491   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
4492   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
4493
4494   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
4495   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
4496   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
4497   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
4498
4499   if (from_x == to_x && from_y == to_y)
4500     MarkTileDirty(from_x/2, from_y/2);
4501   else
4502     redraw_mask |= REDRAW_FIELD;
4503 }
4504
4505 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
4506                        int element, boolean change_level)
4507 {
4508   if (element == -1 || change_level)
4509     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
4510   else
4511     DrawAreaBorder(from_x, from_y, to_x, to_y);
4512 }
4513
4514 /* values for CopyBrushExt() */
4515 #define CB_AREA_TO_BRUSH        0
4516 #define CB_BRUSH_TO_CURSOR      1
4517 #define CB_BRUSH_TO_LEVEL       2
4518 #define CB_DELETE_OLD_CURSOR    3
4519
4520 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
4521                          int button, int mode)
4522 {
4523   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
4524   static int brush_width, brush_height;
4525   static int last_cursor_x = -1, last_cursor_y = -1;
4526   static boolean delete_old_brush;
4527   int new_element = BUTTON_ELEMENT(button);
4528   int x, y;
4529
4530   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
4531     return;
4532
4533   if (mode == CB_AREA_TO_BRUSH)
4534   {
4535     int from_lx, from_ly;
4536
4537     if (from_x > to_x)
4538       swap_numbers(&from_x, &to_x);
4539
4540     if (from_y > to_y)
4541       swap_numbers(&from_y, &to_y);
4542
4543     brush_width = to_x - from_x + 1;
4544     brush_height = to_y - from_y + 1;
4545
4546     from_lx = from_x + level_xpos;
4547     from_ly = from_y + level_ypos;
4548
4549     for (y=0; y<brush_height; y++)
4550     {
4551       for (x=0; x<brush_width; x++)
4552       {
4553         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
4554
4555         if (button != 1)
4556           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
4557       }
4558     }
4559
4560     if (button != 1)
4561       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4562
4563     delete_old_brush = FALSE;
4564   }
4565   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
4566            mode == CB_BRUSH_TO_LEVEL)
4567   {
4568     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
4569     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
4570     int cursor_from_x = cursor_x - brush_width / 2;
4571     int cursor_from_y = cursor_y - brush_height / 2;
4572     int border_from_x = cursor_x, border_from_y = cursor_y;
4573     int border_to_x = cursor_x, border_to_y = cursor_y;
4574
4575     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
4576       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
4577
4578     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
4579         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
4580     {
4581       delete_old_brush = FALSE;
4582       return;
4583     }
4584
4585     for (y=0; y<brush_height; y++)
4586     {
4587       for (x=0; x<brush_width; x++)
4588       {
4589         int sx = cursor_from_x + x;
4590         int sy = cursor_from_y + y;
4591         int lx = sx + level_xpos;
4592         int ly = sy + level_ypos;
4593         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
4594         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
4595                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
4596                        brush_buffer[x][y] : new_element);
4597
4598         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4599         {
4600           if (sx < border_from_x)
4601             border_from_x = sx;
4602           else if (sx > border_to_x)
4603             border_to_x = sx;
4604           if (sy < border_from_y)
4605             border_from_y = sy;
4606           else if (sy > border_to_y)
4607             border_to_y = sy;
4608
4609           DrawLineElement(sx, sy, element, change_level);
4610         }
4611       }
4612     }
4613
4614     if (mode != CB_DELETE_OLD_CURSOR)
4615       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
4616
4617     last_cursor_x = cursor_x;
4618     last_cursor_y = cursor_y;
4619     delete_old_brush = TRUE;
4620   }
4621 }
4622
4623 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
4624                             int button)
4625 {
4626   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
4627 }
4628
4629 static void CopyBrushToLevel(int x, int y, int button)
4630 {
4631   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
4632 }
4633
4634 static void CopyBrushToCursor(int x, int y)
4635 {
4636   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
4637 }
4638
4639 static void DeleteBrushFromCursor()
4640 {
4641   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
4642 }
4643
4644 static void FloodFill(int from_x, int from_y, int fill_element)
4645 {
4646   int i,x,y;
4647   int old_element;
4648   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
4649   static int safety = 0;
4650
4651   /* check if starting field still has the desired content */
4652   if (Feld[from_x][from_y] == fill_element)
4653     return;
4654
4655   safety++;
4656
4657   if (safety > lev_fieldx*lev_fieldy)
4658     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
4659
4660   old_element = Feld[from_x][from_y];
4661   Feld[from_x][from_y] = fill_element;
4662
4663   for(i=0;i<4;i++)
4664   {
4665     x = from_x + check[i][0];
4666     y = from_y + check[i][1];
4667
4668     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
4669       FloodFill(x, y, fill_element);
4670   }
4671
4672   safety--;
4673 }
4674
4675 /* values for DrawLevelText() modes */
4676 #define TEXT_INIT               0
4677 #define TEXT_SETCURSOR          1
4678 #define TEXT_WRITECHAR          2
4679 #define TEXT_BACKSPACE          3
4680 #define TEXT_NEWLINE            4
4681 #define TEXT_END                5
4682 #define TEXT_QUERY_TYPING       6
4683
4684 static int DrawLevelText(int sx, int sy, char letter, int mode)
4685 {
4686   static short delete_buffer[MAX_LEV_FIELDX];
4687   static int start_sx, start_sy;
4688   static int last_sx, last_sy;
4689   static boolean typing = FALSE;
4690   int letter_element = EL_CHAR_ASCII0 + letter;
4691   int lx = 0, ly = 0;
4692
4693   /* map lower case letters to upper case and convert special characters */
4694   if (letter >= 'a' && letter <= 'z')
4695     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
4696   else if (letter == 'ä' || letter == 'Ä')
4697     letter_element = EL_CHAR_AUMLAUT;
4698   else if (letter == 'ö' || letter == 'Ö')
4699     letter_element = EL_CHAR_OUMLAUT;
4700   else if (letter == 'ü' || letter == 'Ü')
4701     letter_element = EL_CHAR_UUMLAUT;
4702   else if (letter == '^')
4703     letter_element = EL_CHAR_COPYRIGHT;
4704   else
4705     letter_element = EL_CHAR_ASCII0 + letter;
4706
4707   if (mode != TEXT_INIT)
4708   {
4709     if (!typing)
4710       return FALSE;
4711
4712     if (mode != TEXT_SETCURSOR)
4713     {
4714       sx = last_sx;
4715       sy = last_sy;
4716     }
4717
4718     lx = last_sx + level_xpos;
4719     ly = last_sy + level_ypos;
4720   }
4721
4722   switch (mode)
4723   {
4724     case TEXT_INIT:
4725       if (typing)
4726         DrawLevelText(0, 0, 0, TEXT_END);
4727
4728       typing = TRUE;
4729       start_sx = last_sx = sx;
4730       start_sy = last_sy = sy;
4731       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
4732       break;
4733
4734     case TEXT_SETCURSOR:
4735       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
4736       DrawAreaBorder(sx, sy, sx, sy);
4737       last_sx = sx;
4738       last_sy = sy;
4739       break;
4740
4741     case TEXT_WRITECHAR:
4742       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
4743       {
4744         delete_buffer[sx - start_sx] = Feld[lx][ly];
4745         Feld[lx][ly] = letter_element;
4746
4747         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
4748           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
4749         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
4750           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
4751         else
4752           DrawLevelText(0, 0, 0, TEXT_END);
4753       }
4754       break;
4755
4756     case TEXT_BACKSPACE:
4757       if (sx > start_sx)
4758       {
4759         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
4760         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
4761         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
4762       }
4763       break;
4764
4765     case TEXT_NEWLINE:
4766       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
4767         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
4768       else
4769         DrawLevelText(0, 0, 0, TEXT_END);
4770       break;
4771
4772     case TEXT_END:
4773       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4774       DrawMiniElement(sx, sy, Feld[lx][ly]);
4775       typing = FALSE;
4776       break;
4777
4778     case TEXT_QUERY_TYPING:
4779       break;
4780
4781     default:
4782       break;
4783   }
4784
4785   return typing;
4786 }
4787
4788 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
4789                           int element, boolean change_level)
4790 {
4791   int lx = sx + level_xpos;
4792   int ly = sy + level_ypos;
4793
4794   if (element == -1)
4795     DrawMiniElement(sx, sy, Feld[lx][ly]);
4796   else
4797     DrawAreaBorder(sx, sy, sx, sy);
4798 }
4799
4800 static void CopyLevelToUndoBuffer(int mode)
4801 {
4802   static boolean accumulated_undo = FALSE;
4803   boolean new_undo_buffer_position = TRUE;
4804   int last_border_element;
4805   int x, y;
4806
4807   switch (mode)
4808   {
4809     case UNDO_IMMEDIATE:
4810       accumulated_undo = FALSE;
4811       break;
4812
4813     case UNDO_ACCUMULATE:
4814       if (accumulated_undo)
4815         new_undo_buffer_position = FALSE;
4816       accumulated_undo = TRUE;
4817       break;
4818
4819     default:
4820       break;
4821   }
4822
4823   if (new_undo_buffer_position)
4824   {
4825     /* new position in undo buffer ring */
4826     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
4827
4828     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
4829       undo_buffer_steps++;
4830   }
4831
4832   for(x=0; x<lev_fieldx; x++)
4833     for(y=0; y<lev_fieldy; y++)
4834       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
4835
4836   /* check if drawing operation forces change of border style */
4837   last_border_element = BorderElement;
4838   SetBorderElement();
4839   if (BorderElement != last_border_element)
4840     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4841
4842 #if 0
4843 #ifdef DEBUG
4844   printf("level saved to undo buffer\n");
4845 #endif
4846 #endif
4847 }
4848
4849 static void RandomPlacement(int new_element)
4850 {
4851   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4852   int num_free_positions;
4853   int num_percentage;
4854   int num_elements;
4855   int x, y;
4856
4857   /* determine number of free positions for the new elements */
4858   /* (maybe this statement should be formatted a bit more readable...) */
4859   num_free_positions = 0;
4860   for (x=0; x<lev_fieldx; x++)
4861     for (y=0; y<lev_fieldy; y++)
4862       if ((free_position[x][y] =
4863            ((random_placement_background_restricted &&
4864              Feld[x][y] == random_placement_background_element) ||
4865             (!random_placement_background_restricted &&
4866              Feld[x][y] != new_element))) == TRUE)
4867         num_free_positions++;
4868
4869   /* determine number of new elements to place there */
4870   num_percentage = num_free_positions * random_placement_value / 100;
4871   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
4872                   num_percentage : random_placement_value);
4873
4874   /* if not more free positions than elements to place, fill whole level */
4875   if (num_elements >= num_free_positions)
4876   {
4877     for (x=0; x<lev_fieldx; x++)
4878       for (y=0; y<lev_fieldy; y++)
4879         Feld[x][y] = new_element;
4880
4881     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4882     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4883     return;
4884   }
4885
4886   while (num_elements > 0)
4887   {
4888     x = RND(lev_fieldx);
4889     y = RND(lev_fieldy);
4890
4891     /* don't place element at the same position twice */
4892     if (free_position[x][y])
4893     {
4894       free_position[x][y] = FALSE;
4895       Feld[x][y] = new_element;
4896       num_elements--;
4897     }
4898   }
4899
4900   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4901   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4902 }
4903
4904 void WrapLevel(int dx, int dy)
4905 {
4906   int wrap_dx = lev_fieldx - dx;
4907   int wrap_dy = lev_fieldy - dy;
4908   int x, y;
4909
4910   for(x=0; x<lev_fieldx; x++)
4911     for(y=0; y<lev_fieldy; y++)
4912       FieldBackup[x][y] = Feld[x][y];
4913
4914   for(x=0; x<lev_fieldx; x++)
4915     for(y=0; y<lev_fieldy; y++)
4916       Feld[x][y] =
4917         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
4918
4919   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4920   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
4921 }
4922
4923 static void HandleDrawingAreas(struct GadgetInfo *gi)
4924 {
4925   static boolean started_inside_drawing_area = FALSE;
4926   int id = gi->custom_id;
4927   boolean button_press_event;
4928   boolean button_release_event;
4929   boolean inside_drawing_area = !gi->event.off_borders;
4930   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
4931   int actual_drawing_function;
4932   int button = gi->event.button;
4933   int new_element = BUTTON_ELEMENT(button);
4934   int sx = gi->event.x, sy = gi->event.y;
4935   int min_sx = 0, min_sy = 0;
4936   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
4937   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
4938   int lx = 0, ly = 0;
4939   int min_lx = 0, min_ly = 0;
4940   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
4941   int x, y;
4942
4943   /* handle info callback for each invocation of action callback */
4944   gi->callback_info(gi);
4945
4946   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
4947   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
4948
4949   /* make sure to stay inside drawing area boundaries */
4950   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
4951   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
4952
4953   if (draw_level)
4954   {
4955     /* get positions inside level field */
4956     lx = sx + level_xpos;
4957     ly = sy + level_ypos;
4958
4959     if (!IN_LEV_FIELD(lx, ly))
4960       inside_drawing_area = FALSE;
4961
4962     /* make sure to stay inside level field boundaries */
4963     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
4964     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
4965
4966     /* correct drawing area positions accordingly */
4967     sx = lx - level_xpos;
4968     sy = ly - level_ypos;
4969   }
4970
4971   if (button_press_event)
4972     started_inside_drawing_area = inside_drawing_area;
4973
4974   if (!started_inside_drawing_area)
4975     return;
4976
4977   if (!button && !button_release_event)
4978     return;
4979
4980   /* automatically switch to 'single item' drawing mode, if needed */
4981   actual_drawing_function =
4982     (draw_level ? drawing_function : GADGET_ID_SINGLE_ITEMS);
4983
4984   switch (actual_drawing_function)
4985   {
4986     case GADGET_ID_SINGLE_ITEMS:
4987       if (draw_level)
4988       {
4989         if (button_release_event)
4990         {
4991           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4992
4993           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
4994               !inside_drawing_area)
4995             DeleteBrushFromCursor();
4996         }
4997
4998         if (!button)
4999           break;
5000
5001         if (draw_with_brush)
5002         {
5003           if (!button_release_event)
5004             CopyBrushToLevel(sx, sy, button);
5005         }
5006         else if (new_element != Feld[lx][ly])
5007         {
5008           if (new_element == EL_PLAYER_1)
5009           {
5010             /* remove player at old position */
5011             for(y=0; y<lev_fieldy; y++)
5012             {
5013               for(x=0; x<lev_fieldx; x++)
5014               {
5015                 if (Feld[x][y] == EL_PLAYER_1)
5016                 {
5017                   Feld[x][y] = EL_EMPTY;
5018                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
5019                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
5020                     DrawMiniElement(x - level_xpos, y - level_ypos,
5021                                     EL_EMPTY);
5022                 }
5023               }
5024             }
5025           }
5026
5027           Feld[lx][ly] = new_element;
5028           DrawMiniElement(sx, sy, new_element);
5029         }
5030       }
5031       else
5032       {
5033         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
5034           DrawMiniGraphicExt(drawto,
5035                              gi->x + sx * MINI_TILEX,
5036                              gi->y + sy * MINI_TILEY,
5037                              el2edimg(new_element));
5038         else
5039           DrawGraphicExt(drawto,
5040                          gi->x + sx * TILEX,
5041                          gi->y + sy * TILEY,
5042                          el2img(new_element), 0);
5043
5044         if (id == GADGET_ID_AMOEBA_CONTENT)
5045           level.amoeba_content = new_element;
5046         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5047         {
5048           int i = properties_element - EL_CUSTOM_START;
5049
5050           new_element = GFX_ELEMENT(new_element);
5051           custom_element.gfx_element = new_element;
5052           level.custom_element[i] = custom_element;
5053
5054           ModifyEditorElementList();
5055
5056           FrameCounter = 0;     /* restart animation frame counter */
5057         }
5058         else if (id == GADGET_ID_CUSTOM_CONTENT)
5059         {
5060           int i = properties_element - EL_CUSTOM_START;
5061
5062           custom_element.content[sx][sy] = new_element;
5063           level.custom_element[i] = custom_element;
5064         }
5065         else if (id == GADGET_ID_CUSTOM_CHANGED)
5066         {
5067           int i = properties_element - EL_CUSTOM_START;
5068
5069           custom_element.change.successor = new_element;
5070           level.custom_element[i] = custom_element;
5071         }
5072         else if (id == GADGET_ID_RANDOM_BACKGROUND)
5073           random_placement_background_element = new_element;
5074         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5075                  id <= GADGET_ID_ELEMENT_CONTENT_7)
5076           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
5077             new_element;
5078       }
5079       break;
5080
5081     case GADGET_ID_CONNECTED_ITEMS:
5082       {
5083         static int last_sx = -1;
5084         static int last_sy = -1;
5085
5086         if (button_release_event)
5087           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5088
5089         if (button)
5090         {
5091           if (!button_press_event)
5092             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
5093
5094           last_sx = sx;
5095           last_sy = sy;
5096         }
5097       }
5098       break;
5099
5100     case GADGET_ID_LINE:
5101     case GADGET_ID_ARC:
5102     case GADGET_ID_RECTANGLE:
5103     case GADGET_ID_FILLED_BOX:
5104     case GADGET_ID_GRAB_BRUSH:
5105     case GADGET_ID_TEXT:
5106       {
5107         static int last_sx = -1;
5108         static int last_sy = -1;
5109         static int start_sx = -1;
5110         static int start_sy = -1;
5111         void (*draw_func)(int, int, int, int, int, boolean);
5112
5113         if (drawing_function == GADGET_ID_LINE)
5114           draw_func = DrawLine;
5115         else if (drawing_function == GADGET_ID_ARC)
5116           draw_func = DrawArc;
5117         else if (drawing_function == GADGET_ID_RECTANGLE)
5118           draw_func = DrawBox;
5119         else if (drawing_function == GADGET_ID_FILLED_BOX)
5120           draw_func = DrawFilledBox;
5121         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
5122           draw_func = SelectArea;
5123         else /* (drawing_function == GADGET_ID_TEXT) */
5124           draw_func = SetTextCursor;
5125
5126         if (button_press_event)
5127         {
5128           draw_func(sx, sy, sx, sy, new_element, FALSE);
5129           start_sx = last_sx = sx;
5130           start_sy = last_sy = sy;
5131
5132           if (drawing_function == GADGET_ID_TEXT)
5133             DrawLevelText(0, 0, 0, TEXT_END);
5134         }
5135         else if (button_release_event)
5136         {
5137           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
5138           if (drawing_function == GADGET_ID_GRAB_BRUSH)
5139           {
5140             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
5141             CopyBrushToCursor(sx, sy);
5142             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
5143                           MB_LEFTBUTTON);
5144             draw_with_brush = TRUE;
5145           }
5146           else if (drawing_function == GADGET_ID_TEXT)
5147             DrawLevelText(sx, sy, 0, TEXT_INIT);
5148           else
5149             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5150         }
5151         else if (last_sx != sx || last_sy != sy)
5152         {
5153           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
5154           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
5155           last_sx = sx;
5156           last_sy = sy;
5157         }
5158       }
5159       break;
5160
5161     case GADGET_ID_FLOOD_FILL:
5162       if (button_press_event && Feld[lx][ly] != new_element)
5163       {
5164         FloodFill(lx, ly, new_element);
5165         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5166         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5167       }
5168       break;
5169
5170     case GADGET_ID_PICK_ELEMENT:
5171       if (button_release_event)
5172         ClickOnGadget(level_editor_gadget[last_drawing_function],
5173                       MB_LEFTBUTTON);
5174       else
5175         PickDrawingElement(button, Feld[lx][ly]);
5176
5177       break;
5178
5179     default:
5180       break;
5181   }
5182 }
5183
5184 static void HandleCounterButtons(struct GadgetInfo *gi)
5185 {
5186   int gadget_id = gi->custom_id;
5187   int counter_id = gi->custom_type_id;
5188   int button = gi->event.button;
5189   int *counter_value = counterbutton_info[counter_id].value;
5190   int step = BUTTON_STEPSIZE(button) *
5191     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
5192
5193   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
5194   {
5195     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
5196     boolean released = (gi->event.type == GD_EVENT_RELEASED);
5197     boolean level_changed = LevelChanged();
5198
5199     if ((level_changed && pressed) || (!level_changed && released))
5200       return;
5201
5202     if (level_changed && !Request("Level has changed! Discard changes ?",
5203                                   REQ_ASK))
5204     {
5205       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5206         ModifyEditorCounter(counter_id, *counter_value);
5207       return;
5208     }
5209   }
5210
5211   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5212     *counter_value = gi->text.number_value;
5213   else
5214     ModifyEditorCounter(counter_id, *counter_value + step);
5215
5216   switch (counter_id)
5217   {
5218     case ED_COUNTER_ID_ELEMENT_CONTENT:
5219       DrawElementContentAreas();
5220       break;
5221
5222     case ED_COUNTER_ID_LEVEL_XSIZE:
5223     case ED_COUNTER_ID_LEVEL_YSIZE:
5224       lev_fieldx = level.fieldx;
5225       lev_fieldy = level.fieldy;
5226       break;
5227
5228     case ED_COUNTER_ID_SELECT_LEVEL:
5229       LoadLevel(level_nr);
5230       TapeErase();
5231       ResetUndoBuffer();
5232       DrawEditModeWindow();
5233       break;
5234
5235     default:
5236       break;
5237   }
5238
5239   if (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
5240       counter_id <= ED_COUNTER_ID_CHANGE_LAST)
5241     CopyCustomElementPropertiesToGame(properties_element);
5242 }
5243
5244 static void HandleTextInputGadgets(struct GadgetInfo *gi)
5245 {
5246   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
5247 }
5248
5249 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
5250 {
5251   int type_id = gi->custom_type_id;
5252
5253   *selectbox_info[type_id].index = gi->selectbox.index;
5254   *selectbox_info[type_id].value =
5255     selectbox_info[type_id].options[gi->selectbox.index].value;
5256
5257   if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
5258        type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
5259       (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
5260        type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
5261     CopyCustomElementPropertiesToGame(properties_element);
5262
5263 #if 0
5264   printf("Selected text value: '%s' [%d]\n",
5265          selectbox_info[type_id].options[gi->selectbox.index].text,
5266          selectbox_info[type_id].options[gi->selectbox.index].value);
5267 #endif
5268 }
5269
5270 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
5271 {
5272   if (gi->custom_type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
5273       gi->custom_type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
5274   {
5275     edit_mode_properties = gi->custom_type_id;
5276
5277     DrawPropertiesWindow();
5278   }
5279 }
5280
5281 static void HandleRadiobuttons(struct GadgetInfo *gi)
5282 {
5283   *radiobutton_info[gi->custom_type_id].value =
5284     radiobutton_info[gi->custom_type_id].checked_value;
5285 }
5286
5287 static void HandleCheckbuttons(struct GadgetInfo *gi)
5288 {
5289   int type_id = gi->custom_type_id;
5290
5291   *checkbutton_info[type_id].value ^= TRUE;
5292
5293   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
5294        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
5295       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
5296        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST))
5297     CopyCustomElementPropertiesToGame(properties_element);
5298
5299   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
5300     ModifyEditorElementList();
5301 }
5302
5303 static void HandleControlButtons(struct GadgetInfo *gi)
5304 {
5305   int id = gi->custom_id;
5306   int button = gi->event.button;
5307   int step = BUTTON_STEPSIZE(button);
5308   int new_element = BUTTON_ELEMENT(button);
5309   int x, y;
5310
5311   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
5312     DrawLevelText(0, 0, 0, TEXT_END);
5313
5314   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
5315       edit_mode != ED_MODE_DRAWING)
5316   {
5317     DrawDrawingWindow();
5318     edit_mode = ED_MODE_DRAWING;
5319   }
5320
5321   switch (id)
5322   {
5323     case GADGET_ID_SCROLL_LEFT:
5324       if (level_xpos >= 0)
5325       {
5326         if (lev_fieldx < ed_fieldx - 2)
5327           break;
5328
5329         level_xpos -= step;
5330         if (level_xpos < -1)
5331           level_xpos = -1;
5332         if (button == 1)
5333           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
5334         else
5335           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5336
5337         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5338                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5339       }
5340       break;
5341
5342     case GADGET_ID_SCROLL_RIGHT:
5343       if (level_xpos <= lev_fieldx - ed_fieldx)
5344       {
5345         if (lev_fieldx < ed_fieldx - 2)
5346           break;
5347
5348         level_xpos += step;
5349         if (level_xpos > lev_fieldx - ed_fieldx + 1)
5350           level_xpos = lev_fieldx - ed_fieldx + 1;
5351         if (button == 1)
5352           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
5353         else
5354           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5355
5356         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5357                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5358       }
5359       break;
5360
5361     case GADGET_ID_SCROLL_UP:
5362       if (level_ypos >= 0)
5363       {
5364         if (lev_fieldy < ed_fieldy - 2)
5365           break;
5366
5367         level_ypos -= step;
5368         if (level_ypos < -1)
5369           level_ypos = -1;
5370         if (button == 1)
5371           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
5372         else
5373           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5374
5375         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5376                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5377       }
5378       break;
5379
5380     case GADGET_ID_SCROLL_DOWN:
5381       if (level_ypos <= lev_fieldy - ed_fieldy)
5382       {
5383         if (lev_fieldy < ed_fieldy - 2)
5384           break;
5385
5386         level_ypos += step;
5387         if (level_ypos > lev_fieldy - ed_fieldy + 1)
5388           level_ypos = lev_fieldy - ed_fieldy + 1;
5389         if (button == 1)
5390           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
5391         else
5392           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5393
5394         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5395                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5396       }
5397       break;
5398
5399     case GADGET_ID_SCROLL_HORIZONTAL:
5400       level_xpos = gi->event.item_position - 1;
5401       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5402       break;
5403
5404     case GADGET_ID_SCROLL_VERTICAL:
5405       level_ypos = gi->event.item_position - 1;
5406       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5407       break;
5408
5409     case GADGET_ID_SCROLL_LIST_UP:
5410     case GADGET_ID_SCROLL_LIST_DOWN:
5411     case GADGET_ID_SCROLL_LIST_VERTICAL:
5412       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
5413         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
5414       else
5415       {
5416         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
5417         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
5418
5419         if (element_shift < 0)
5420           element_shift = 0;
5421         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
5422           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
5423
5424         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
5425                      GDI_SCROLLBAR_ITEM_POSITION,
5426                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
5427       }
5428
5429       ModifyEditorElementList();
5430
5431       break;
5432
5433     case GADGET_ID_WRAP_LEFT:
5434       WrapLevel(-step, 0);
5435       break;
5436
5437     case GADGET_ID_WRAP_RIGHT:
5438       WrapLevel(step, 0);
5439       break;
5440
5441     case GADGET_ID_WRAP_UP:
5442       WrapLevel(0, -step);
5443       break;
5444
5445     case GADGET_ID_WRAP_DOWN:
5446       WrapLevel(0, step);
5447       break;
5448
5449     case GADGET_ID_SINGLE_ITEMS:
5450     case GADGET_ID_CONNECTED_ITEMS:
5451     case GADGET_ID_LINE:
5452     case GADGET_ID_ARC:
5453     case GADGET_ID_TEXT:
5454     case GADGET_ID_RECTANGLE:
5455     case GADGET_ID_FILLED_BOX:
5456     case GADGET_ID_FLOOD_FILL:
5457     case GADGET_ID_GRAB_BRUSH:
5458     case GADGET_ID_PICK_ELEMENT:
5459       if (drawing_function != GADGET_ID_PICK_ELEMENT)
5460         last_drawing_function = drawing_function;
5461       drawing_function = id;
5462       draw_with_brush = FALSE;
5463       break;
5464
5465     case GADGET_ID_RANDOM_PLACEMENT:
5466       RandomPlacement(new_element);
5467       break;
5468
5469     case GADGET_ID_PROPERTIES:
5470       if (edit_mode != ED_MODE_PROPERTIES)
5471       {
5472         properties_element = new_element;
5473         DrawPropertiesWindow();
5474         edit_mode = ED_MODE_PROPERTIES;
5475       }
5476       else
5477       {
5478         DrawDrawingWindow();
5479         edit_mode = ED_MODE_DRAWING;
5480       }
5481       break;
5482
5483     case GADGET_ID_UNDO:
5484       if (undo_buffer_steps == 0)
5485       {
5486         Request("Undo buffer empty !", REQ_CONFIRM);
5487         break;
5488       }
5489
5490       undo_buffer_position =
5491         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
5492       undo_buffer_steps--;
5493
5494       for(x=0; x<lev_fieldx; x++)
5495         for(y=0; y<lev_fieldy; y++)
5496           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
5497       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
5498       break;
5499
5500     case GADGET_ID_INFO:
5501       if (edit_mode != ED_MODE_INFO)
5502       {
5503         DrawLevelInfoWindow();
5504         edit_mode = ED_MODE_INFO;
5505       }
5506       else
5507       {
5508         DrawDrawingWindow();
5509         edit_mode = ED_MODE_DRAWING;
5510       }
5511       break;
5512
5513     case GADGET_ID_CLEAR:
5514       for(x=0; x<MAX_LEV_FIELDX; x++)
5515         for(y=0; y<MAX_LEV_FIELDY; y++)
5516           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
5517       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
5518
5519       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5520       break;
5521
5522     case GADGET_ID_SAVE:
5523       if (leveldir_current->readonly)
5524       {
5525         Request("This level is read only !", REQ_CONFIRM);
5526         break;
5527       }
5528
5529       if (!LevelContainsPlayer)
5530         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5531       else
5532       {
5533         if (Request("Save this level and kill the old ?", REQ_ASK))
5534         {
5535           CopyPlayfield(Feld, Ur);
5536
5537           SaveLevel(level_nr);
5538         }
5539       }
5540       break;
5541
5542     case GADGET_ID_TEST:
5543       if (!LevelContainsPlayer)
5544         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5545       else
5546       {
5547         if (LevelChanged())
5548           level.game_version = GAME_VERSION_ACTUAL;
5549
5550         CopyPlayfield(Ur, FieldBackup);
5551         CopyPlayfield(Feld, Ur);
5552
5553         UnmapLevelEditorGadgets();
5554         UndrawSpecialEditorDoor();
5555
5556         CloseDoor(DOOR_CLOSE_ALL);
5557
5558         DrawCompleteVideoDisplay();
5559
5560         if (setup.autorecord)
5561           TapeStartRecording();
5562
5563         level_editor_test_game = TRUE;
5564         game_status = GAME_MODE_PLAYING;
5565
5566         InitGame();
5567       }
5568       break;
5569
5570     case GADGET_ID_EXIT:
5571       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
5572       break;
5573
5574     default:
5575       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
5576           id <= GADGET_ID_ELEMENTLIST_LAST)
5577       {
5578         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
5579         int new_element = editor_elements[element_position + element_shift];
5580
5581         PickDrawingElement(button, new_element);
5582
5583 #if 1
5584         if (!stick_element_properties_window)
5585 #else
5586         if (!HAS_CONTENT(properties_element) ||
5587             !stick_element_properties_window)
5588 #endif
5589         {
5590           properties_element = new_element;
5591           if (edit_mode == ED_MODE_PROPERTIES)
5592             DrawPropertiesWindow();
5593         }
5594
5595         if (drawing_function == GADGET_ID_PICK_ELEMENT)
5596           ClickOnGadget(level_editor_gadget[last_drawing_function],
5597                         MB_LEFTBUTTON);
5598       }
5599 #ifdef DEBUG
5600       else if (gi->event.type == GD_EVENT_PRESSED)
5601         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
5602       else if (gi->event.type == GD_EVENT_RELEASED)
5603         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
5604       else if (gi->event.type == GD_EVENT_MOVING)
5605         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
5606       else
5607         printf("default: HandleControlButtons: ? (id == %d)\n", id);
5608 #endif
5609       break;
5610   }
5611 }
5612
5613 void HandleLevelEditorKeyInput(Key key)
5614 {
5615   char letter = getCharFromKey(key);
5616   int button = MB_LEFTBUTTON;
5617
5618   if (drawing_function == GADGET_ID_TEXT &&
5619       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
5620   {
5621     if (letter)
5622       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
5623     else if (key == KSYM_Delete || key == KSYM_BackSpace)
5624       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
5625     else if (key == KSYM_Return)
5626       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
5627     else if (key == KSYM_Escape)
5628       DrawLevelText(0, 0, 0, TEXT_END);
5629   }
5630   else if (button_status == MB_RELEASED)
5631   {
5632     int i, id = GADGET_ID_NONE;
5633
5634     switch (key)
5635     {
5636       case KSYM_Left:
5637         id = GADGET_ID_SCROLL_LEFT;
5638         break;
5639       case KSYM_Right:
5640         id = GADGET_ID_SCROLL_RIGHT;
5641         break;
5642       case KSYM_Up:
5643         id = GADGET_ID_SCROLL_UP;
5644         break;
5645       case KSYM_Down:
5646         id = GADGET_ID_SCROLL_DOWN;
5647         break;
5648       case KSYM_Page_Up:
5649         id = GADGET_ID_SCROLL_LIST_UP;
5650         button = MB_RIGHTBUTTON;
5651         break;
5652       case KSYM_Page_Down:
5653         id = GADGET_ID_SCROLL_LIST_DOWN;
5654         button = MB_RIGHTBUTTON;
5655         break;
5656
5657       case KSYM_Escape:
5658         if (edit_mode == ED_MODE_DRAWING)
5659         {
5660           RequestExitLevelEditor(setup.ask_on_escape);
5661         }
5662         else
5663         {
5664           DrawDrawingWindow();
5665           edit_mode = ED_MODE_DRAWING;
5666         }
5667         break;
5668
5669       default:
5670         break;
5671     }
5672
5673     if (id != GADGET_ID_NONE)
5674       ClickOnGadget(level_editor_gadget[id], button);
5675     else if (letter == '.')
5676       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
5677     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
5678       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
5679     else
5680       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
5681         if (letter && letter == control_info[i].shortcut)
5682           if (!anyTextGadgetActive())
5683             ClickOnGadget(level_editor_gadget[i], button);
5684   }
5685 }
5686
5687 void HandleLevelEditorIdle()
5688 {
5689   static unsigned long action_delay = 0;
5690   unsigned long action_delay_value = GameFrameDelay;
5691   int xpos = 1, ypos = 2;
5692
5693   if (edit_mode != ED_MODE_PROPERTIES)
5694     return;
5695
5696   if (!DelayReached(&action_delay, action_delay_value))
5697     return;
5698
5699   DrawGraphicAnimationExt(drawto,
5700                           SX + xpos * TILEX,
5701                           SY + ypos * TILEY + MINI_TILEY / 2,
5702                           el2img(properties_element), -1, NO_MASKING);
5703
5704   MarkTileDirty(xpos, ypos);
5705   MarkTileDirty(xpos, ypos + 1);
5706
5707   FrameCounter++;       /* increase animation frame counter */
5708 }
5709
5710 void ClearEditorGadgetInfoText()
5711 {
5712   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
5713 }
5714
5715 void HandleEditorGadgetInfoText(void *ptr)
5716 {
5717   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
5718   char infotext[MAX_OUTPUT_LINESIZE + 1];
5719   char shortcut[MAX_OUTPUT_LINESIZE + 1];
5720   int max_infotext_len = getMaxInfoTextLength();
5721
5722   if (game_status != GAME_MODE_EDITOR)
5723     return;
5724
5725   ClearEditorGadgetInfoText();
5726
5727   if (gi->event.type == GD_EVENT_INFO_LEAVING)
5728     return;
5729
5730   /* misuse this function to delete brush cursor, if needed */
5731   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
5732     DeleteBrushFromCursor();
5733
5734   if (gi == NULL || gi->info_text == NULL)
5735     return;
5736
5737   strncpy(infotext, gi->info_text, max_infotext_len);
5738   infotext[max_infotext_len] = '\0';
5739
5740   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
5741   {
5742     int key = control_info[gi->custom_id].shortcut;
5743
5744     if (key)
5745     {
5746       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
5747         sprintf(shortcut, " ('.' or '%c')", key);
5748       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
5749         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
5750       else                                              /* normal case */
5751         sprintf(shortcut, " ('%s%c')",
5752                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
5753
5754       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
5755         strcat(infotext, shortcut);
5756     }
5757   }
5758
5759   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
5760 }
5761
5762 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
5763 {
5764   static int start_lx, start_ly;
5765   char *infotext;
5766   int id = gi->custom_id;
5767   int sx = gi->event.x;
5768   int sy = gi->event.y;
5769   int lx = sx + level_xpos;
5770   int ly = sy + level_ypos;
5771   int min_sx = 0, min_sy = 0;
5772   int max_sx = gi->drawing.area_xsize - 1;
5773   int max_sy = gi->drawing.area_ysize - 1;
5774
5775   ClearEditorGadgetInfoText();
5776
5777   if (gi->event.type == GD_EVENT_INFO_LEAVING)
5778     return;
5779
5780   /* make sure to stay inside drawing area boundaries */
5781   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
5782   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
5783
5784   if (id == GADGET_ID_DRAWING_LEVEL)
5785   {
5786     if (button_status)
5787     {
5788       int min_lx = 0, min_ly = 0;
5789       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
5790
5791       /* get positions inside level field */
5792       lx = sx + level_xpos;
5793       ly = sy + level_ypos;
5794
5795       /* make sure to stay inside level field boundaries */
5796       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5797       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5798
5799       /* correct drawing area positions accordingly */
5800       sx = lx - level_xpos;
5801       sy = ly - level_ypos;
5802     }
5803
5804     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
5805     {
5806       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
5807       {
5808         if (gi->event.type == GD_EVENT_PRESSED)
5809         {
5810           start_lx = lx;
5811           start_ly = ly;
5812         }
5813
5814         switch (drawing_function)
5815         {
5816           case GADGET_ID_SINGLE_ITEMS:
5817             infotext = "Drawing single items";
5818             break;
5819           case GADGET_ID_CONNECTED_ITEMS:
5820             infotext = "Drawing connected items";
5821             break;
5822           case GADGET_ID_LINE:
5823             infotext = "Drawing line";
5824             break;
5825           case GADGET_ID_ARC:
5826             infotext = "Drawing arc";
5827             break;
5828           case GADGET_ID_TEXT:
5829             infotext = "Setting text cursor";
5830             break;
5831           case GADGET_ID_RECTANGLE:
5832             infotext = "Drawing rectangle";
5833             break;
5834           case GADGET_ID_FILLED_BOX:
5835             infotext = "Drawing filled box";
5836             break;
5837           case GADGET_ID_FLOOD_FILL:
5838             infotext = "Flood fill";
5839             break;
5840           case GADGET_ID_GRAB_BRUSH:
5841             infotext = "Grabbing brush";
5842             break;
5843           case GADGET_ID_PICK_ELEMENT:
5844             infotext = "Picking element";
5845             break;
5846
5847           default:
5848             infotext = "Drawing position";
5849             break;
5850         }
5851
5852         if (drawing_function == GADGET_ID_PICK_ELEMENT)
5853           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5854                     "%s: %d, %d", infotext, lx, ly);
5855         else
5856           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5857                     "%s: %d, %d", infotext,
5858                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
5859       }
5860       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
5861         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5862                   "%s", getElementInfoText(Feld[lx][ly]));
5863       else
5864         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5865                   "Level position: %d, %d", lx, ly);
5866     }
5867
5868     /* misuse this function to draw brush cursor, if needed */
5869     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
5870     {
5871       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5872         CopyBrushToCursor(sx, sy);
5873       else
5874         DeleteBrushFromCursor();
5875     }
5876   }
5877   else if (id == GADGET_ID_AMOEBA_CONTENT)
5878     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5879               "Amoeba content");
5880   else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5881     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5882               "Custom graphic element");
5883   else if (id == GADGET_ID_CUSTOM_CONTENT)
5884     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5885               "Custom element content position: %d, %d", sx, sy);
5886   else if (id == GADGET_ID_CUSTOM_CHANGED)
5887     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5888               "New element after change");
5889   else if (id == GADGET_ID_RANDOM_BACKGROUND)
5890     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5891               "Random placement background");
5892   else
5893     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5894               "Content area %d position: %d, %d",
5895               id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
5896 }
5897
5898 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
5899 {
5900   if (!ask_if_level_has_changed ||
5901       !LevelChanged() ||
5902       Request("Level has changed! Exit without saving ?",
5903               REQ_ASK | REQ_STAY_OPEN))
5904   {
5905     CloseDoor(DOOR_CLOSE_1);
5906     /*
5907     CloseDoor(DOOR_CLOSE_ALL);
5908     */
5909     game_status = GAME_MODE_MAIN;
5910     DrawMainMenu();
5911   }
5912   else
5913   {
5914     CloseDoor(DOOR_CLOSE_1);
5915     BlitBitmap(bitmap_db_door, bitmap_db_door,
5916                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
5917                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
5918     OpenDoor(DOOR_OPEN_1);
5919   }
5920 }