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 "init.h"
  24 #include "tape.h"
  25
  26
  27 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  28
  29
  30 /*
  31   -----------------------------------------------------------------------------
  32   screen and artwork graphic pixel position definitions
  33   -----------------------------------------------------------------------------
  34 */
  35
  36 /* positions in the level editor */
  37 #define ED_WIN_MB_LEFT_XPOS             6
  38 #define ED_WIN_MB_LEFT_YPOS             258
  39 #define ED_WIN_MB_MIDDLE_XPOS           42
  40 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  41 #define ED_WIN_MB_RIGHT_XPOS            78
  42 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  43
  44 /* values for the control window */
  45 #define ED_CTRL_NO_BUTTONS_GFX_XPOS     6
  46 #define ED_CTRL_NO_BUTTONS_GFX_YPOS     286
  47 #define ED_CTRL1_BUTTONS_GFX_YPOS       236
  48 #define ED_CTRL2_BUTTONS_GFX_YPOS       236
  49 #define ED_CTRL3_BUTTONS_GFX_YPOS       324
  50 #define ED_CTRL1_BUTTONS_ALT_GFX_YPOS   142
  51 #define ED_CTRL3_BUTTONS_ALT_GFX_YPOS   302
  52
  53 #define ED_CTRL1_BUTTON_XSIZE           22
  54 #define ED_CTRL1_BUTTON_YSIZE           22
  55 #define ED_CTRL1_BUTTONS_XPOS           6
  56 #define ED_CTRL1_BUTTONS_YPOS           6
  57 #define ED_CTRL2_BUTTON_XSIZE           30
  58 #define ED_CTRL2_BUTTON_YSIZE           20
  59 #define ED_CTRL2_BUTTONS_XPOS           5
  60 #define ED_CTRL2_BUTTONS_YPOS           99
  61 #define ED_CTRL3_BUTTON_XSIZE           22
  62 #define ED_CTRL3_BUTTON_YSIZE           22
  63 #define ED_CTRL3_BUTTONS_XPOS           6
  64 #define ED_CTRL3_BUTTONS_YPOS           6
  65
  66 #define ED_CTRL1_BUTTONS_HORIZ          4
  67 #define ED_CTRL1_BUTTONS_VERT           4
  68 #define ED_CTRL2_BUTTONS_HORIZ          3
  69 #define ED_CTRL2_BUTTONS_VERT           2
  70 #define ED_CTRL3_BUTTONS_HORIZ          3
  71 #define ED_CTRL3_BUTTONS_VERT           1
  72
  73 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  74 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  75 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  76 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
  77 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + \
  78                                 ED_NUM_CTRL2_BUTTONS + \
  79                                 ED_NUM_CTRL3_BUTTONS)
  80
  81 /* values for the element list */
  82 #define ED_ELEMENTLIST_XPOS             5
  83 #define ED_ELEMENTLIST_YPOS             30
  84 #define ED_ELEMENTLIST_XSIZE            20
  85 #define ED_ELEMENTLIST_YSIZE            20
  86 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  87 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  88 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  89                                          ED_ELEMENTLIST_BUTTONS_VERT)
  90
  91 /* standard distances */
  92 #define ED_BORDER_SIZE                  3
  93 #define ED_BORDER_TEXT_XSIZE            5
  94 #define ED_BORDER_AREA_YSIZE            1
  95
  96 #define ED_GADGET_DISTANCE              2
  97 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
  98 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE + \
  99                                          MINI_TILEX / 2)
 100
 101 /* values for the setting windows */
 102 #define ED_SETTINGS_XSTART              (3 * MINI_TILEX / 2)
 103 #define ED_SETTINGS_YSTART              (MINI_TILEY * 10)
 104
 105 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE + \
 106                                          2 * ED_GADGET_DISTANCE)
 107
 108 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
 109 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
 110
 111 #define ED_SETTINGS_XPOS(n)             (ED_SETTINGS_XSTART + \
 112                                          n * ED_SETTINGS_XOFFSET)
 113 #define ED_SETTINGS_YPOS(n)             (ED_SETTINGS_YSTART + \
 114                                          n * ED_SETTINGS_YOFFSET)
 115
 116 #define ED_SETTINGS1_YPOS               MINI_TILEY
 117 #define ED_SETTINGS2_XPOS               MINI_TILEX
 118 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
 119
 120 /* values for counter gadgets */
 121 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 122 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 123 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
 124                                          n * ED_COUNTER_YDISTANCE)
 125 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 126                                          n * ED_COUNTER_YDISTANCE - 2)
 127
 128 /* values for element content drawing areas */
 129 /* amoeba content */
 130 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 131 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 132
 133 /* yamyam content */
 134 #define ED_AREA_YAMYAM_CONTENT_XPOS(n)  (ED_AREA_ELEM_CONTENT_XPOS + \
 135                                          5 * (n % 4) * MINI_TILEX)
 136 #define ED_AREA_YAMYAM_CONTENT_YPOS(n)  (ED_AREA_ELEM_CONTENT_YPOS + \
 137                                          6 * (n / 4) * MINI_TILEY)
 138
 139 /* custom change target */
 140 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(2) + \
 141                                          ED_GADGET_DISTANCE)
 142 /* optional custom graphic */
 143 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(1) + \
 144                                          ED_GADGET_DISTANCE)
 145 /* custom element content */
 146 #define ED_AREA_ELEM_CONTENT4_XPOS      (29 * MINI_TILEX)
 147 #define ED_AREA_ELEM_CONTENT4_YPOS      (ED_SETTINGS_YPOS(13) + \
 148                                          ED_GADGET_DISTANCE - MINI_TILEY)
 149 /* movement enter/leave element */
 150 #define ED_AREA_ELEM_CONTENT4a_XPOS     (29 * MINI_TILEX)
 151 #define ED_AREA_ELEM_CONTENT4a_YPOS     (ED_SETTINGS_YPOS(7) + \
 152                                          ED_GADGET_DISTANCE)
 153 #define ED_AREA_ELEM_CONTENT4b_XPOS     (29 * MINI_TILEX)
 154 #define ED_AREA_ELEM_CONTENT4b_YPOS     (ED_SETTINGS_YPOS(7) + \
 155                                          ED_GADGET_DISTANCE)
 156 /* custom change trigger element */
 157 #define ED_AREA_ELEM_CONTENT5_YPOS      (ED_SETTINGS_YPOS(6) + \
 158                                          ED_GADGET_DISTANCE)
 159 /* extended custom change target */
 160 #define ED_AREA_ELEM_CONTENT6_XPOS      (29 * MINI_TILEX)
 161 #define ED_AREA_ELEM_CONTENT6_YPOS      (ED_SETTINGS_YPOS(10) + \
 162                                          ED_GADGET_DISTANCE - MINI_TILEY)
 163 /* group element content */
 164 #define ED_AREA_GROUP_CONTENT_XPOS      ED_SETTINGS_XPOS(0)
 165 #define ED_AREA_GROUP_CONTENT_YPOS      (22 * MINI_TILEY)
 166
 167 /* values for random placement background drawing area */
 168 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 169
 170 /* values for scrolling gadgets for drawing area */
 171 #define ED_SCROLLBUTTON_XPOS            24
 172 #define ED_SCROLLBUTTON_YPOS            0
 173 #define ED_SCROLLBAR_XPOS               24
 174 #define ED_SCROLLBAR_YPOS               64
 175
 176 #define ED_SCROLLBUTTON_XSIZE           16
 177 #define ED_SCROLLBUTTON_YSIZE           16
 178
 179 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 180 #define ED_SCROLL_UP_YPOS               (0)
 181 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 182 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 183 #define ED_SCROLL_LEFT_XPOS             (0)
 184 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 185 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 186 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 187 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 188 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 189 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 190 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 191 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 192 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 193 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 194 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 195
 196 /* values for scrolling gadgets for element list */
 197 #define ED_SCROLLBUTTON2_XPOS           50
 198 #define ED_SCROLLBUTTON2_YPOS           0
 199 #define ED_SCROLLBAR2_XPOS              50
 200 #define ED_SCROLLBAR2_YPOS              20
 201
 202 #define ED_SCROLLBUTTON2_XSIZE          10
 203 #define ED_SCROLLBUTTON2_YSIZE          10
 204
 205 #define ED_SCROLL2_UP_XPOS              85
 206 #define ED_SCROLL2_UP_YPOS              30
 207 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 208 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 209                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 210                                          ED_ELEMENTLIST_YSIZE - \
 211                                          ED_SCROLLBUTTON2_YSIZE)
 212 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 213 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 214                                          ED_SCROLLBUTTON2_YSIZE)
 215 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 216 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 217                                          ED_ELEMENTLIST_YSIZE - \
 218                                          2 * ED_SCROLLBUTTON2_YSIZE)
 219
 220 /* values for checkbutton gadgets */
 221 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 222 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 223 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 224 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 225 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 226 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 227 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 228
 229 /* some positions in the editor control window */
 230 #define ED_BUTTON_ELEM_XPOS             6
 231 #define ED_BUTTON_ELEM_YPOS             30
 232 #define ED_BUTTON_ELEM_XSIZE            22
 233 #define ED_BUTTON_ELEM_YSIZE            22
 234
 235 /* some values for text input, selectbox and counter gadgets */
 236 #define ED_BUTTON_COUNT_YPOS            60
 237 #define ED_BUTTON_COUNT_XSIZE           20
 238 #define ED_BUTTON_COUNT_YSIZE           20
 239 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 240 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 241 #define ED_WIN_COUNT_XSIZE              52
 242 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 243 #define ED_WIN_COUNT2_XPOS              27
 244 #define ED_WIN_COUNT2_YPOS              3
 245 #define ED_WIN_COUNT2_XSIZE             46
 246 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 247
 248 #define ED_BUTTON_MINUS_XPOS            2
 249 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 250 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 251 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 252 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 253                                          ED_WIN_COUNT_XSIZE + 2)
 254 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 255 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 256 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 257
 258 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 259 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 260                                          2 + ED_WIN_COUNT_YSIZE)
 261 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 262 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 263
 264 #define ED_SELECTBOX_BUTTON_XSIZE       14
 265
 266 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 267 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 268                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 269 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 270
 271 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 272 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS + \
 273                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 274 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS + \
 275                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 276
 277 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 278 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 279
 280 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 281 #define INFOTEXT_XPOS                   SX
 282 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 283 #define INFOTEXT_XSIZE                  SXSIZE
 284 #define INFOTEXT_YSIZE                  MINI_TILEX
 285
 286
 287 /*
 288   -----------------------------------------------------------------------------
 289   editor gadget definitions
 290   -----------------------------------------------------------------------------
 291 */
 292
 293 /* drawing toolbox buttons */
 294 #define GADGET_ID_NONE                  -1
 295 #define GADGET_ID_TOOLBOX_FIRST         0
 296
 297 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 298 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 299 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 300 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 301 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 302 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 303 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 304 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 305 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 306 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 307 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 308 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 309 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 310 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 311 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 312 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 313
 314 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 315 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 316 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 317 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 318 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 319 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 320
 321 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 322 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 323 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 324
 325 /* counter button identifiers */
 326 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 25)
 327
 328 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 329 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 330 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 331 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 332 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 333 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 334 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 335 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 336 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 337 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 338 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 339 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 340 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 341 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 342 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 343 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 344 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 345 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 346 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 347 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 348 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 349 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 350 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 351 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 352 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 353 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 354 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 355 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 356 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 357 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 29)
 358 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 359 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 360 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 32)
 361 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 33)
 362 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 34)
 363 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 35)
 364 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 36)
 365 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 37)
 366 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 38)
 367 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 368 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 369 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 41)
 370 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 42)
 371 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 43)
 372 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 44)
 373 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 374 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 375 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 47)
 376 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 377 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 378 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 50)
 379 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 51)
 380 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 52)
 381 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 53)
 382 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 54)
 383 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 55)
 384 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 56)
 385 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 386 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 387 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 59)
 388 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 60)
 389 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 61)
 390 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 62)
 391
 392 /* drawing area identifiers */
 393 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 63)
 394
 395 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 396 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 397 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 398 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 399 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 400 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 401 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 402 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 403 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 404 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 405 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 406 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 407 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 12)
 408 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 13)
 409 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 410 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 15)
 411 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 16)
 412 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 17)
 413 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 18)
 414
 415 /* text input identifiers */
 416 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 19)
 417
 418 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 419 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 420 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 421
 422 /* text area identifiers */
 423 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 424
 425 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 426
 427 /* selectbox identifiers */
 428 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 429
 430 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 0)
 431 #define GADGET_ID_CUSTOM_CONSISTENCY    (GADGET_ID_SELECTBOX_FIRST + 1)
 432 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 2)
 433 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 3)
 434 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 4)
 435 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 5)
 436 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 6)
 437 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 7)
 438 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 8)
 439 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 9)
 440 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 10)
 441 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 11)
 442 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 12)
 443 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 13)
 444 #define GADGET_ID_CHANGE_SIDES          (GADGET_ID_SELECTBOX_FIRST + 14)
 445 #define GADGET_ID_CHANGE_POWER          (GADGET_ID_SELECTBOX_FIRST + 15)
 446 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 16)
 447
 448 /* textbutton identifiers */
 449 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 17)
 450
 451 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 452 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 453 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 454 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 3)
 455 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 4)
 456 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 5)
 457
 458 /* graphicbutton identifiers */
 459 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 6)
 460
 461 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 462 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 463
 464 /* gadgets for scrolling of drawing area */
 465 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 466
 467 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 468 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 469 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 470 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 471 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 472 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 473
 474 /* gadgets for scrolling element list */
 475 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 476
 477 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 478 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 479 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 480
 481 /* checkbuttons for level/element properties */
 482 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 483
 484 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 485 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 486 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 487 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 488 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 489 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 490 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 491 #define GADGET_ID_CUSTOM_EXPLODE_RESULT (GADGET_ID_CHECKBUTTON_FIRST + 7)
 492 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 493 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 9)
 494 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 10)
 495 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 11)
 496 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 12)
 497 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 498 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 499 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 500 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 16)
 501 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 17)
 502 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 503 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 504 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 505 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 21)
 506 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 22)
 507 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 508 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 24)
 509 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 25)
 510 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 26)
 511 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 27)
 512
 513 /* gadgets for buttons in element list */
 514 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 515 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 516                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 517
 518 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 519
 520 /* radio button numbers */
 521 #define RADIO_NR_NONE                   0
 522 #define RADIO_NR_DRAWING_TOOLBOX        1
 523 #define RADIO_NR_RANDOM_ELEMENTS        2
 524
 525 /* values for counter gadgets */
 526 #define ED_COUNTER_ID_SELECT_LEVEL      0
 527 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 528 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 529 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 530 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 531 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 532 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 533 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 534 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 535 #define ED_COUNTER_ID_ENVELOPE_XSIZE    9
 536 #define ED_COUNTER_ID_ENVELOPE_YSIZE    10
 537 #define ED_COUNTER_ID_CUSTOM_SCORE      11
 538 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   12
 539 #define ED_COUNTER_ID_PUSH_DELAY_FIX    13
 540 #define ED_COUNTER_ID_PUSH_DELAY_RND    14
 541 #define ED_COUNTER_ID_MOVE_DELAY_FIX    15
 542 #define ED_COUNTER_ID_MOVE_DELAY_RND    16
 543 #define ED_COUNTER_ID_GROUP_CONTENT     17
 544 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  18
 545 #define ED_COUNTER_ID_CHANGE_DELAY_RND  19
 546 #define ED_COUNTER_ID_CHANGE_CONT_RND   20
 547
 548 #define ED_NUM_COUNTERBUTTONS           21
 549
 550 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 551 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 552
 553 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM_SCORE
 554 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_MOVE_DELAY_RND
 555
 556 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 557 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 558
 559 /* values for scrollbutton gadgets */
 560 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 561 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 562 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 563 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 564 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 565 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 566
 567 #define ED_NUM_SCROLLBUTTONS            6
 568
 569 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 570 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 571
 572 /* values for scrollbar gadgets */
 573 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 574 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 575 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 576
 577 #define ED_NUM_SCROLLBARS               3
 578
 579 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 580 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 581
 582 /* values for text input gadgets */
 583 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 584 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 585 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 586
 587 #define ED_NUM_TEXTINPUT                3
 588
 589 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 590 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 591
 592 /* values for text area gadgets */
 593 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 594
 595 #define ED_NUM_TEXTAREAS                        1
 596
 597 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 598 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 599
 600 /* values for selectbox gadgets */
 601 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      0
 602 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     1
 603 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   2
 604 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     3
 605 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   4
 606 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    5
 607 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  6
 608 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    7
 609 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    8
 610 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       9
 611 #define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY      10
 612 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       11
 613 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    12
 614 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     13
 615 #define ED_SELECTBOX_ID_CHANGE_SIDES            14
 616 #define ED_SELECTBOX_ID_CHANGE_POWER            15
 617 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      16
 618
 619 #define ED_NUM_SELECTBOX                        17
 620
 621 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 622 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_CONSISTENCY
 623
 624 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 625 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 626
 627 /* values for textbutton gadgets */
 628 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 629 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 630 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 631 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       3
 632 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        4
 633 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        5
 634
 635 #define ED_NUM_TEXTBUTTONS                      6
 636
 637 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 638 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 639
 640 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE
 641 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 642
 643 /* values for graphicbutton gadgets */
 644 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 645 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 646
 647 #define ED_NUM_GRAPHICBUTTONS                   2
 648
 649 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 650 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST    ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE
 651
 652 /* values for checkbutton gadgets */
 653 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 654 #define ED_CHECKBUTTON_ID_GRAVITY               1
 655 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 656 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 657 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 658 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     5
 659 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 6
 660 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       7
 661 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       8
 662 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      9
 663 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       10
 664 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         11
 665 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT 12
 666 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   13
 667 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  14
 668 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 15
 669 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    16
 670 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     17
 671 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          18
 672 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  19
 673 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   20
 674 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  21
 675 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    22
 676 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  23
 677 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     24
 678 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   25
 679
 680 #define ED_NUM_CHECKBUTTONS                     26
 681
 682 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 683 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 684
 685 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE
 686 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 687
 688 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 689 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE
 690
 691 /* values for radiobutton gadgets */
 692 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 693 #define ED_RADIOBUTTON_ID_QUANTITY      1
 694
 695 #define ED_NUM_RADIOBUTTONS             2
 696
 697 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 698 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 699
 700 /* values for drawing area gadgets */
 701 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 702 #define ED_DRAWING_ID_ELEMENT_CONTENT_0         1
 703 #define ED_DRAWING_ID_ELEMENT_CONTENT_1         2
 704 #define ED_DRAWING_ID_ELEMENT_CONTENT_2         3
 705 #define ED_DRAWING_ID_ELEMENT_CONTENT_3         4
 706 #define ED_DRAWING_ID_ELEMENT_CONTENT_4         5
 707 #define ED_DRAWING_ID_ELEMENT_CONTENT_5         6
 708 #define ED_DRAWING_ID_ELEMENT_CONTENT_6         7
 709 #define ED_DRAWING_ID_ELEMENT_CONTENT_7         8
 710 #define ED_DRAWING_ID_AMOEBA_CONTENT            9
 711 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            10
 712 #define ED_DRAWING_ID_CUSTOM_CONTENT            11
 713 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         12
 714 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         13
 715 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      14
 716 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     15
 717 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     16
 718 #define ED_DRAWING_ID_GROUP_CONTENT             17
 719 #define ED_DRAWING_ID_RANDOM_BACKGROUND         18
 720
 721 #define ED_NUM_DRAWING_AREAS                    19
 722
 723
 724 /*
 725   -----------------------------------------------------------------------------
 726   some internally used definitions
 727   -----------------------------------------------------------------------------
 728 */
 729
 730 /* values for CopyLevelToUndoBuffer() */
 731 #define UNDO_IMMEDIATE                  0
 732 #define UNDO_ACCUMULATE                 1
 733
 734 /* values for scrollbars */
 735 #define ED_SCROLL_NO                    0
 736 #define ED_SCROLL_LEFT                  1
 737 #define ED_SCROLL_RIGHT                 2
 738 #define ED_SCROLL_UP                    4
 739 #define ED_SCROLL_DOWN                  8
 740
 741 /* screens in the level editor */
 742 #define ED_MODE_DRAWING                 0
 743 #define ED_MODE_INFO                    1
 744 #define ED_MODE_PROPERTIES              2
 745
 746 /* sub-screens in the element properties section */
 747 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 748 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 749 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 750
 751 /* how many steps can be cancelled */
 752 #define NUM_UNDO_STEPS                  (10 + 1)
 753
 754 /* values for elements with score for certain actions */
 755 #define MIN_SCORE                       0
 756 #define MAX_SCORE                       255
 757
 758 /* values for elements with count for collecting */
 759 #define MIN_COLLECT_COUNT               0
 760 #define MAX_COLLECT_COUNT               100
 761
 762 /* values for random placement */
 763 #define RANDOM_USE_PERCENTAGE           0
 764 #define RANDOM_USE_QUANTITY             1
 765
 766 /* maximal size of level editor drawing area */
 767 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 768 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 769
 770
 771 /*
 772   -----------------------------------------------------------------------------
 773   some internally used data structure definitions
 774   -----------------------------------------------------------------------------
 775 */
 776
 777 static struct
 778 {
 779   char shortcut;
 780   char *text;
 781 } control_info[ED_NUM_CTRL_BUTTONS] =
 782 {
 783   { 's',        "draw single items"                     },
 784   { 'd',        "draw connected items"                  },
 785   { 'l',        "draw lines"                            },
 786   { 'a',        "draw arcs"                             },
 787   { 'r',        "draw outline rectangles"               },
 788   { 'R',        "draw filled rectangles"                },
 789   { '\0',       "wrap (rotate) level up"                },
 790   { 't',        "enter text elements"                   },
 791   { 'f',        "flood fill"                            },
 792   { '\0',       "wrap (rotate) level left"              },
 793   { '?',        "properties of drawing element"         },
 794   { '\0',       "wrap (rotate) level right"             },
 795   { '\0',       "random element placement"              },
 796   { 'b',        "grab brush"                            },
 797   { '\0',       "wrap (rotate) level down"              },
 798   { ',',        "pick drawing element"                  },
 799
 800   { 'U',        "undo last operation"                   },
 801   { 'I',        "level properties"                      },
 802   { 'S',        "save level"                            },
 803   { 'C',        "clear level"                           },
 804   { 'T',        "test level"                            },
 805   { 'E',        "exit level editor"                     },
 806
 807   { '\0',       "copy settings from other element"      },
 808   { '\0',       "copy settings to other element"        },
 809   { '\0',       "exchange settings with other element"  },
 810 };
 811
 812 static int random_placement_value = 10;
 813 static int random_placement_method = RANDOM_USE_QUANTITY;
 814 static int random_placement_background_element = EL_SAND;
 815 static boolean random_placement_background_restricted = FALSE;
 816 static boolean stick_element_properties_window = FALSE;
 817 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 818 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 819 static struct ElementChangeInfo custom_element_change;
 820 static struct ElementGroupInfo group_element_info;
 821 static struct ElementInfo custom_element;
 822
 823 static struct
 824 {
 825   int x, y;
 826   int min_value, max_value;
 827   int gadget_id_down, gadget_id_up;
 828   int gadget_id_text;
 829   int gadget_id_align;
 830   int *value;
 831   char *text_above, *text_left, *text_right;
 832 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 833 {
 834   /* ---------- level and editor settings ---------------------------------- */
 835
 836   {
 837     DX + 5 - SX,                        DY + 3 - SY,
 838     1,                                  100,
 839     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 840     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
 841     &level_nr,
 842     NULL,                               NULL, NULL
 843   },
 844   {
 845     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 846     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 847     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 848     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
 849     &level.fieldx,
 850     "playfield size:",                  NULL, "width",
 851   },
 852   {
 853     -1,                                 ED_COUNTER_YPOS(2),
 854     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 855     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 856     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
 857     &level.fieldy,
 858     NULL,                               " ", "height",
 859   },
 860   {
 861     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 862     0,                                  999,
 863     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
 864     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
 865     &level.gems_needed,
 866     "number of emeralds to collect:",   NULL, NULL
 867   },
 868   {
 869     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 870     0,                                  999,
 871     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 872     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
 873     &level.time,
 874     "time available to solve level:",   NULL, "(0 => no time limit)"
 875   },
 876   {
 877     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 878     0,                                  255,
 879     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 880     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
 881     &level.score[SC_TIME_BONUS],
 882     "score for each 10 seconds left:",  NULL, NULL
 883   },
 884   {
 885     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 886     1,                                  100,
 887     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 888     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
 889     &random_placement_value,
 890     "random element placement:",        NULL, "in"
 891   },
 892
 893   /* ---------- element settings: configure (various elements) ------------- */
 894
 895   {
 896     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 897     MIN_SCORE,                          MAX_SCORE,
 898     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 899     GADGET_ID_ELEMENT_SCORE_TEXT,       GADGET_ID_NONE,
 900     NULL,                               /* will be set when used */
 901     NULL,                               NULL, NULL
 902   },
 903   {
 904     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 905     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 906     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 907     GADGET_ID_ELEMENT_CONTENT_TEXT,     GADGET_ID_NONE,
 908     &level.num_yamyam_contents,
 909     NULL,                               NULL, "number of content areas"
 910   },
 911   {
 912     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 913     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
 914     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
 915     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
 916     NULL,
 917     NULL,                               NULL, "width",
 918   },
 919   {
 920     -1,                                 ED_SETTINGS_YPOS(0),
 921     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
 922     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
 923     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
 924     NULL,
 925     NULL,                               " ", "height",
 926   },
 927
 928   /* ---------- element settings: configure (custom elements) -------------- */
 929
 930   {
 931     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
 932     MIN_SCORE,                          MAX_SCORE,
 933     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
 934     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
 935     &custom_element.collect_score,
 936     NULL,                               "score", " "
 937   },
 938   {
 939     -1,                                 ED_SETTINGS_YPOS(3),
 940     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
 941     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
 942     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
 943     &custom_element.collect_count,
 944     NULL,                               "count", NULL
 945   },
 946   {
 947     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 948     0,                                  999,
 949     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
 950     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 951     &custom_element.push_delay_fixed,
 952     NULL,                               "push delay", NULL
 953   },
 954   {
 955     -1,                                 ED_SETTINGS_YPOS(4),
 956     0,                                  999,
 957     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
 958     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
 959     &custom_element.push_delay_random,
 960     NULL,                               "+random", NULL
 961   },
 962   {
 963     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
 964     0,                                  999,
 965     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
 966     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 967     &custom_element.move_delay_fixed,
 968     NULL,                               "move delay", NULL
 969   },
 970   {
 971     -1,                                 ED_SETTINGS_YPOS(9),
 972     0,                                  999,
 973     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
 974     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
 975     &custom_element.move_delay_random,
 976     NULL,                               "+random", NULL
 977   },
 978
 979   /* ---------- element settings: configure (group elements) --------------- */
 980
 981   {
 982     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 983     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
 984     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
 985     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
 986     &group_element_info.num_elements,
 987     NULL,                               NULL, "number of elements in group"
 988   },
 989
 990   /* ---------- element settings: advanced (custom elements) --------------- */
 991
 992   {
 993     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(3),
 994     0,                                  999,
 995     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 996     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
 997     &custom_element_change.delay_fixed,
 998     NULL,                               "delay", NULL,
 999   },
1000   {
1001     -1,                                 ED_SETTINGS_YPOS(3),
1002     0,                                  999,
1003     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1004     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1005     &custom_element_change.delay_random,
1006     NULL,                               "+random", NULL
1007   },
1008   {
1009     ED_SETTINGS_XPOS(3),                ED_SETTINGS_YPOS(12),
1010     0,                                  100,
1011     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1012     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1013     &custom_element_change.random,
1014     NULL,                               "use random replace:", "%"
1015   },
1016 };
1017
1018 static struct
1019 {
1020   int x, y;
1021   int gadget_id;
1022   int size;
1023   char *value;
1024   char *text_above, *infotext;
1025 } textinput_info[ED_NUM_TEXTINPUT] =
1026 {
1027   {
1028     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
1029     GADGET_ID_LEVEL_NAME,
1030     MAX_LEVEL_NAME_LEN,
1031     level.name,
1032     "Title:", "Title"
1033   },
1034   {
1035     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1036     GADGET_ID_LEVEL_AUTHOR,
1037     MAX_LEVEL_AUTHOR_LEN,
1038     level.author,
1039     "Author:", "Author"
1040   },
1041   {
1042     5 * MINI_TILEX,                     5 * MINI_TILEY - ED_BORDER_SIZE,
1043     GADGET_ID_ELEMENT_NAME,
1044     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1045     custom_element.description,
1046     NULL, "Element name"
1047   }
1048 };
1049
1050 static struct
1051 {
1052   int x, y;
1053   int gadget_id;
1054   int xsize, ysize;
1055   char *value;
1056   char *text_above, *infotext;
1057 } textarea_info[ED_NUM_TEXTAREAS] =
1058 {
1059   {
1060     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1061     GADGET_ID_ENVELOPE_INFO,
1062     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1063     NULL,
1064     "Envelope Info:", "Envelope Info"
1065   }
1066 };
1067
1068 static struct ValueTextInfo options_access_type[] =
1069 {
1070   { EP_WALKABLE,                "walk"                          },
1071   { EP_PASSABLE,                "pass"                          },
1072   { -1,                         NULL                            }
1073 };
1074
1075 static struct ValueTextInfo options_access_layer[] =
1076 {
1077   { EP_ACCESSIBLE_OVER,         "over"                          },
1078   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1079   { EP_ACCESSIBLE_UNDER,        "under"                         },
1080   { -1,                         NULL                            }
1081 };
1082
1083 static struct ValueTextInfo options_walk_to_action[] =
1084 {
1085   { EP_DIGGABLE,                "diggable"                      },
1086   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1087   { EP_DROPPABLE,               "collectible & droppable"       },
1088   { EP_PUSHABLE,                "pushable"                      },
1089   { -1,                         NULL                            }
1090 };
1091
1092 static struct ValueTextInfo options_move_pattern[] =
1093 {
1094   { MV_LEFT,                    "left"                          },
1095   { MV_RIGHT,                   "right"                         },
1096   { MV_UP,                      "up"                            },
1097   { MV_DOWN,                    "down"                          },
1098   { MV_HORIZONTAL,              "horizontal"                    },
1099   { MV_VERTICAL,                "vertical"                      },
1100   { MV_ALL_DIRECTIONS,          "all directions"                },
1101   { MV_TOWARDS_PLAYER,          "towards player"                },
1102   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1103   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1104   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1105   { MV_TURNING_LEFT,            "turning left"                  },
1106   { MV_TURNING_RIGHT,           "turning right"                 },
1107   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1108   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1109   { MV_TURNING_RANDOM,          "turning random"                },
1110   { MV_WHEN_PUSHED,             "when pushed"                   },
1111   { MV_WHEN_DROPPED,            "when dropped"                  },
1112 #if 1
1113   { MV_MAZE_RUNNER,             "maze runner style"             },
1114   { MV_MAZE_HUNTER,             "maze hunter style"             },
1115 #endif
1116   { -1,                         NULL                            }
1117 };
1118
1119 static struct ValueTextInfo options_move_direction[] =
1120 {
1121   { MV_AUTOMATIC,               "automatic"                     },
1122   { MV_LEFT,                    "left"                          },
1123   { MV_RIGHT,                   "right"                         },
1124   { MV_UP,                      "up"                            },
1125   { MV_DOWN,                    "down"                          },
1126   { MV_RANDOM,                  "random"                        },
1127   { MV_PREVIOUS,                "previous"                      },
1128   { -1,                         NULL                            }
1129 };
1130
1131 static struct ValueTextInfo options_move_stepsize[] =
1132 {
1133   { 1,                          "very slow"                     },
1134   { 2,                          "slow"                          },
1135   { 4,                          "normal"                        },
1136   { 8,                          "fast"                          },
1137   { 16,                         "very fast"                     },
1138   { -1,                         NULL                            }
1139 };
1140
1141 static struct ValueTextInfo options_move_leave_type[] =
1142 {
1143   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1144   { LEAVE_TYPE_LIMITED,         "change to"                     },
1145   { -1,                         NULL                            }
1146 };
1147
1148 static struct ValueTextInfo options_smash_targets[] =
1149 {
1150   { EP_CAN_SMASH_PLAYER,        "player"                        },
1151 #if 0
1152   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1153 #endif
1154   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1155   { -1,                         NULL                            }
1156 };
1157
1158 static struct ValueTextInfo options_slippery_type[] =
1159 {
1160   { SLIPPERY_ANY_RANDOM,        "random"                        },
1161   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1162   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1163   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1164   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1165   { -1,                         NULL                            }
1166 };
1167
1168 static struct ValueTextInfo options_deadliness[] =
1169 {
1170   { EP_DONT_RUN_INTO,           "running into"                  },
1171   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1172   { EP_DONT_TOUCH,              "touching"                      },
1173   { -1,                         NULL                            }
1174 };
1175
1176 static struct ValueTextInfo options_consistency[] =
1177 {
1178   { EP_CAN_EXPLODE_3X3,         "can explode 3x3"               },
1179   { EP_CAN_EXPLODE_DYNA,        "can explode 3+3"               },
1180   { EP_CAN_EXPLODE_1X1,         "can explode 1x1"               },
1181   { EP_INDESTRUCTIBLE,          "indestructible"                },
1182   { -1,                         NULL                            }
1183 };
1184
1185 static struct ValueTextInfo options_time_units[] =
1186 {
1187   { 1,                          "frames"                        },
1188   { FRAMES_PER_SECOND,          "seconds"                       },
1189   { -1,                         NULL                            }
1190 };
1191
1192 static struct ValueTextInfo options_change_direct_action[] =
1193 {
1194   { CE_TOUCHED_BY_PLAYER,       "touched by player ..."         },
1195   { CE_PRESSED_BY_PLAYER,       "pressed by player ..."         },
1196   { CE_PUSHED_BY_PLAYER,        "pushed by player ..."          },
1197   { CE_ENTERED_BY_PLAYER,       "entered by player ..."         },
1198   { CE_LEFT_BY_PLAYER,          "left by player ..."            },
1199   { CE_DROPPED_BY_PLAYER,       "dropped by player"             },
1200   { CE_SWITCHED,                "switched ..."                  },
1201 #if 1
1202   { CE_HITTING_SOMETHING,       "hitting something ..."         },
1203   { CE_HIT_BY_SOMETHING,        "hit by something ..."          },
1204 #else
1205   { CE_HITTING_SOMETHING,       "collision ..."                 },
1206 #endif
1207   { CE_IMPACT,                  "impact (on something)"         },
1208   { CE_SMASHED,                 "smashed (from above)"          },
1209   { -1,                         NULL                            }
1210 };
1211
1212 static struct ValueTextInfo options_change_other_action[] =
1213 {
1214   { CE_OTHER_GETS_TOUCHED,      "player touches ..."            },
1215   { CE_OTHER_GETS_PRESSED,      "player presses ..."            },
1216   { CE_OTHER_GETS_PUSHED,       "player pushes ..."             },
1217   { CE_OTHER_GETS_ENTERED,      "player enters ..."             },
1218   { CE_OTHER_GETS_LEFT,         "player leaves ..."             },
1219   { CE_OTHER_GETS_DIGGED,       "player digs"                   },
1220   { CE_OTHER_GETS_COLLECTED,    "player collects"               },
1221   { CE_OTHER_GETS_DROPPED,      "player drops"                  },
1222   { CE_OTHER_IS_TOUCHING,       "touching ..."                  },
1223 #if 1
1224   { CE_OTHER_IS_HITTING,        "hitting ..."                   },
1225   { CE_OTHER_GETS_HIT,          "hit by ..."                    },
1226 #endif
1227   { CE_OTHER_IS_SWITCHING,      "switch of ..."                 },
1228   { CE_OTHER_IS_CHANGING,       "change of"                     },
1229   { CE_OTHER_IS_EXPLODING,      "explosion of"                  },
1230   { -1,                         NULL                            }
1231 };
1232
1233 static struct ValueTextInfo options_change_sides[] =
1234 {
1235   { CH_SIDE_LEFT,               "left side"                     },
1236   { CH_SIDE_RIGHT,              "right side"                    },
1237   { CH_SIDE_TOP,                "top side"                      },
1238   { CH_SIDE_BOTTOM,             "bottom side"                   },
1239   { CH_SIDE_LEFT_RIGHT,         "left/right side"               },
1240   { CH_SIDE_TOP_BOTTOM,         "top/bottom side"               },
1241   { CH_SIDE_ANY,                "any side"                      },
1242   { -1,                         NULL                            }
1243 };
1244
1245 static struct ValueTextInfo options_change_power[] =
1246 {
1247   { CP_NON_DESTRUCTIVE,         "empty"                         },
1248   { CP_HALF_DESTRUCTIVE,        "diggable"                      },
1249   { CP_FULL_DESTRUCTIVE,        "destructible"                  },
1250   { -1,                         NULL                            }
1251 };
1252
1253 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
1254 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
1255 {
1256   { -1,                         NULL                            }
1257 };
1258
1259 static struct
1260 {
1261   int x, y;
1262   int gadget_id;
1263   int gadget_id_align;
1264   int size;     /* char size of selectbox or '-1' (dynamically determined) */
1265   struct ValueTextInfo *options;
1266   int *value;
1267   char *text_left, *text_right, *infotext;
1268 } selectbox_info[ED_NUM_SELECTBOX] =
1269 {
1270   /* ---------- element settings: configure (custom elements) ------------- */
1271
1272   {
1273     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(1),
1274     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
1275     -1,
1276     options_access_type,
1277     &custom_element.access_type,
1278     "player can", NULL,                 "type of access to this field"
1279   },
1280   {
1281     -1,                                 ED_SETTINGS_YPOS(1),
1282     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
1283     -1,
1284     options_access_layer,
1285     &custom_element.access_layer,
1286     NULL, NULL,                         "layer of access for this field"
1287   },
1288   {
1289     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1290     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
1291     -1,
1292     options_walk_to_action,
1293     &custom_element.walk_to_action,
1294     NULL, NULL,                         "diggable/collectible/pushable"
1295   },
1296   {
1297     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1298     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
1299     -1,
1300     options_move_pattern,
1301     &custom_element.move_pattern,
1302     "can move", NULL,                   "element move direction"
1303   },
1304   {
1305     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1306     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
1307     -1,
1308     options_move_direction,
1309     &custom_element.move_direction_initial,
1310     "starts moving", NULL,              "initial element move direction"
1311   },
1312   {
1313     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1314     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
1315     -1,
1316     options_move_stepsize,
1317     &custom_element.move_stepsize,
1318     "move/fall speed", NULL,            "speed of element movement"
1319   },
1320   {
1321     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
1322     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
1323     -1,
1324     options_move_leave_type,
1325     &custom_element.move_leave_type,
1326     "can dig:    can", ":",             "leave behind or change element"
1327   },
1328   {
1329     -1,                                 ED_SETTINGS_YPOS(10),
1330     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
1331     -1,
1332     options_smash_targets,
1333     &custom_element.smash_targets,
1334     "can smash", NULL,                  "elements that can be smashed"
1335   },
1336   {
1337     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(11),
1338     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
1339     -1,
1340     options_slippery_type,
1341     &custom_element.slippery_type,
1342     "slippery", NULL,                   "where other elements fall down"
1343   },
1344   {
1345     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(12),
1346     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
1347     -1,
1348     options_deadliness,
1349     &custom_element.deadliness,
1350     "deadly when", NULL,                "deadliness of element"
1351   },
1352   {
1353     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(13),
1354     GADGET_ID_CUSTOM_CONSISTENCY,       GADGET_ID_NONE,
1355     -1,
1356     options_consistency,
1357     &custom_element.consistency,
1358     NULL, NULL,                         "consistency/destructibility"
1359   },
1360
1361   /* ---------- element settings: advanced (custom elements) --------------- */
1362
1363   {
1364     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
1365     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
1366     -1,
1367     options_time_units,
1368     &custom_element_change.delay_frames,
1369     "delay time given in", NULL,        "delay time units for change"
1370   },
1371   {
1372     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(5),
1373     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
1374     -1,
1375     options_change_direct_action,
1376     &custom_element_change.direct_action,
1377     NULL, NULL,                         "type of direct action"
1378   },
1379   {
1380     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(6),
1381     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
1382     -1,
1383     options_change_other_action,
1384     &custom_element_change.other_action,
1385     NULL, "element:",                   "type of other element action"
1386   },
1387   {
1388     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(7),
1389     GADGET_ID_CHANGE_SIDES,             GADGET_ID_NONE,
1390     -1,
1391     options_change_sides,
1392     &custom_element_change.sides,
1393     "... at", NULL,                     "element side that causes change"
1394   },
1395   {
1396     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(10),
1397     GADGET_ID_CHANGE_POWER,             GADGET_ID_NONE,
1398     -1,
1399     options_change_power,
1400     &custom_element_change.power,
1401     "replace when", NULL,               "which elements can be replaced"
1402   },
1403   {
1404     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(14),
1405     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
1406     3,
1407     options_change_page,
1408     &custom_element.current_change_page,
1409     NULL, NULL,                         "element config page"
1410   },
1411 };
1412
1413 static struct
1414 {
1415   int x, y;
1416   int gadget_id;
1417   int gadget_id_align;
1418   int size;
1419   char *text;
1420   char *text_left, *text_right, *infotext;
1421 } textbutton_info[ED_NUM_TEXTBUTTONS] =
1422 {
1423   {
1424     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1425     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
1426     11,                                 "Information",
1427     NULL, NULL,                         "Show information about element"
1428   },
1429   {
1430     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
1431     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
1432     11,                                 "Configure",
1433     NULL, NULL,                         "Configure element properties"
1434   },
1435   {
1436     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
1437     GADGET_ID_PROPERTIES_ADVANCED,      GADGET_ID_NONE,
1438     11,                                 "Advanced",
1439     NULL, NULL,                         "Advanced element configuration"
1440   },
1441   {
1442     -1,                                 ED_SETTINGS_YPOS(13),
1443     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
1444     -1,                                 "Save as template",
1445     " ", NULL,                          "Save current settings as new template"
1446   },
1447   {
1448     -1,                                 ED_SETTINGS_YPOS(14),
1449     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_NEXT_CHANGE_PAGE,
1450     -1,                                 "New",
1451     " ", NULL,                          "Add new config page"
1452   },
1453   {
1454     -1,                                 ED_SETTINGS_YPOS(14),
1455     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
1456     -1,                                 "Delete",
1457     NULL, NULL,                         "Delete current config page"
1458   },
1459 };
1460
1461 static struct
1462 {
1463   int gd_x, gd_y;
1464   int x, y;
1465   int width, height;
1466   int gadget_id;
1467   int gadget_id_align;
1468   char *text_left, *text_right, *infotext;
1469 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
1470 {
1471   {
1472     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
1473     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(14),
1474     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1475     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
1476     NULL, NULL,                         "select previous config page"
1477   },
1478   {
1479     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
1480     -1,                                 ED_SETTINGS_YPOS(14),
1481     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1482     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
1483     NULL, "config page",                "select next config page"
1484   },
1485 };
1486
1487 static struct
1488 {
1489   int gd_x, gd_y;
1490   int x, y;
1491   int gadget_id;
1492   char *infotext;
1493 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
1494 {
1495   {
1496     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
1497     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
1498     GADGET_ID_SCROLL_UP,
1499     "scroll level editing area up"
1500   },
1501   {
1502     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
1503     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
1504     GADGET_ID_SCROLL_DOWN,
1505     "scroll level editing area down"
1506   },
1507   {
1508     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
1509     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
1510     GADGET_ID_SCROLL_LEFT,
1511     "scroll level editing area left"
1512   },
1513   {
1514     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1515     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1516     GADGET_ID_SCROLL_RIGHT,
1517     "scroll level editing area right"
1518   },
1519   {
1520     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1521     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1522     GADGET_ID_SCROLL_LIST_UP,
1523     "scroll element list up ('Page Up')"
1524   },
1525   {
1526     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1527     ED_SCROLL2_DOWN_XPOS,   ED_SCROLL2_DOWN_YPOS,
1528     GADGET_ID_SCROLL_LIST_DOWN,
1529     "scroll element list down ('Page Down')"
1530   },
1531 };
1532
1533 static struct
1534 {
1535   int gd_x, gd_y;
1536   int x, y;
1537   int width, height;
1538   int type;
1539   int gadget_id;
1540   char *infotext;
1541 } scrollbar_info[ED_NUM_SCROLLBARS] =
1542 {
1543   {
1544     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1545     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1546     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1547     GD_TYPE_SCROLLBAR_HORIZONTAL,
1548     GADGET_ID_SCROLL_HORIZONTAL,
1549     "scroll level editing area horizontally"
1550   },
1551   {
1552     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1553     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1554     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1555     GD_TYPE_SCROLLBAR_VERTICAL,
1556     GADGET_ID_SCROLL_VERTICAL,
1557     "scroll level editing area vertically"
1558   },
1559   {
1560     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1561     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1562     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1563     GD_TYPE_SCROLLBAR_VERTICAL,
1564     GADGET_ID_SCROLL_LIST_VERTICAL,
1565     "scroll element list vertically"
1566   }
1567 };
1568
1569 static struct
1570 {
1571   int x, y;
1572   int gadget_id;
1573   int gadget_id_align;
1574   int radio_button_nr;
1575   int *value;
1576   int checked_value;
1577   char *text_left, *text_right, *infotext;
1578 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1579 {
1580   {
1581     -1,                                 ED_COUNTER2_YPOS(8),
1582     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
1583     RADIO_NR_RANDOM_ELEMENTS,
1584     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1585     " ", "percentage",                  "use percentage for random elements"
1586   },
1587   {
1588     -1,                                 ED_COUNTER2_YPOS(8),
1589     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
1590     RADIO_NR_RANDOM_ELEMENTS,
1591     &random_placement_method,           RANDOM_USE_QUANTITY,
1592     " ", "quantity",                    "use quantity for random elements"
1593   }
1594 };
1595
1596 static struct
1597 {
1598   int x, y;
1599   int gadget_id;
1600   int gadget_id_align;
1601   boolean *value;
1602   char *text_left, *text_right, *infotext;
1603 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1604 {
1605   /* ---------- level and editor settings ---------------------------------- */
1606
1607   {
1608     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1609     GADGET_ID_DOUBLE_SPEED,             GADGET_ID_NONE,
1610     &level.double_speed,
1611     NULL, "double speed movement",      "set movement speed of player"
1612   },
1613   {
1614     -1,                                 ED_COUNTER_YPOS(6) - MINI_TILEY,
1615     GADGET_ID_GRAVITY,                  GADGET_ID_DOUBLE_SPEED,
1616     &level.initial_gravity,
1617     " ", "gravity",                     "set level gravity"
1618   },
1619   {
1620     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1621     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
1622     &random_placement_background_restricted,
1623     NULL,
1624     "restrict random placement to:",    "set random placement restriction"
1625   },
1626
1627   /* ---------- element settings: configure (various elements) ------------- */
1628
1629   {
1630     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
1631     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
1632     &stick_element_properties_window,
1633     NULL,
1634     "stick this screen to edit content","stick this screen to edit content"
1635   },
1636   {
1637     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1638     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
1639     &level.em_slippery_gems,
1640     NULL,
1641     "slip down from certain flat walls","use EM style slipping behaviour"
1642   },
1643
1644   /* ---------- element settings: configure (custom elements) ------------- */
1645
1646   {
1647     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1648     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
1649     &custom_element_properties[EP_ACCESSIBLE],
1650     NULL, NULL,                         "player can walk to or pass this field"
1651   },
1652   {
1653     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1654     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
1655     &custom_element_properties[EP_WALK_TO_OBJECT],
1656     NULL, NULL,                         "player can dig/collect/push element"
1657   },
1658   {
1659     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1660     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
1661     &custom_element_properties[EP_CAN_MOVE],
1662     NULL, NULL,                         "element can move in some direction"
1663   },
1664   {
1665     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1666     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
1667     &custom_element_properties[EP_CAN_FALL],
1668     NULL, "can fall",                   "element can fall down"
1669   },
1670   {
1671     -1,                                 ED_SETTINGS_YPOS(10),
1672     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
1673     &custom_element_properties[EP_CAN_SMASH],
1674     " ", NULL,                          "element can smash other elements"
1675   },
1676   {
1677     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(11),
1678     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
1679     &custom_element_properties[EP_SLIPPERY],
1680     NULL, NULL,                         "other elements can fall down from it"
1681   },
1682   {
1683     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1684     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
1685     &custom_element_properties[EP_DEADLY],
1686     NULL, NULL,                         "element can kill the player"
1687   },
1688   {
1689     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(13),
1690     GADGET_ID_CUSTOM_EXPLODE_RESULT,    GADGET_ID_NONE,
1691     &custom_element_properties[EP_EXPLODE_RESULT],
1692     NULL, NULL,                         "set consistency/destructibility"
1693   },
1694   {
1695     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(14),
1696     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
1697     &custom_element.can_explode_by_fire,
1698     NULL, "by fire",                    "element can explode by fire/explosion"
1699   },
1700   {
1701     -1,                                 ED_SETTINGS_YPOS(14),
1702     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
1703     &custom_element.can_explode_smashed,
1704     " ", "smashed",                     "element can explode when smashed"
1705   },
1706   {
1707     -1,                                 ED_SETTINGS_YPOS(14),
1708     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
1709     &custom_element.can_explode_impact,
1710     " ", "impact",                      "element can explode on impact"
1711   },
1712
1713   /* ---------- element settings: advanced (custom elements) --------------- */
1714
1715   {
1716     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1717     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
1718     &custom_element.use_gfx_element,
1719     NULL, "use graphic of element:",    "use graphic for custom element"
1720   },
1721   {
1722     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1723     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
1724     &custom_element_change.can_change,
1725     NULL, "element changes to:",        "element can change to other element"
1726   },
1727   {
1728     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1729     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
1730     &custom_element_change_events[CE_DELAY],
1731     NULL, NULL,                         "element changes after delay"
1732   },
1733   {
1734     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1735     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
1736     &custom_element_change_events[CE_BY_DIRECT_ACTION],
1737     NULL, NULL,                         "element changes by direct action"
1738   },
1739   {
1740     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1741     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
1742     &custom_element_change_events[CE_BY_OTHER_ACTION],
1743     NULL, NULL,                         "element changes by other element"
1744   },
1745   {
1746     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1747     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
1748     &custom_element_change.explode,
1749     NULL, "explode instead of change",  "element explodes instead of change"
1750   },
1751   {
1752     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
1753     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
1754     &custom_element_change.use_content,
1755     NULL, "use extended change target:","element changes to more elements"
1756   },
1757   {
1758     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(11),
1759     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
1760     &custom_element_change.only_complete,
1761     NULL, "replace all or nothing",     "only replace when all can be changed"
1762   },
1763   {
1764     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(12),
1765     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
1766     &custom_element_change.use_random_change,
1767     NULL, NULL,                         "use percentage for random replace"
1768   },
1769   {
1770     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(13),
1771     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
1772     &level.use_custom_template,
1773     NULL, "use template",               "use template for custom properties"
1774   },
1775 };
1776
1777 static struct
1778 {
1779   int x, y;
1780   int area_xsize, area_ysize;
1781   int gadget_id;
1782   int gadget_id_align;
1783   char *text_left, *text_right, *text_below;
1784 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
1785 {
1786   /* ---------- level playfield content ------------------------------------ */
1787
1788   {
1789     0, 0,
1790     MAX_ED_FIELDX, MAX_ED_FIELDY,
1791     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
1792     NULL, NULL,                         NULL
1793   },
1794
1795   /* ---------- yam yam content -------------------------------------------- */
1796
1797   {
1798     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
1799     3, 3,
1800     GADGET_ID_ELEMENT_CONTENT_0,        GADGET_ID_NONE,
1801     NULL, NULL,                         "1"
1802   },
1803   {
1804     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
1805     3, 3,
1806     GADGET_ID_ELEMENT_CONTENT_1,        GADGET_ID_NONE,
1807     NULL, NULL,                         "2"
1808   },
1809   {
1810     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
1811     3, 3,
1812     GADGET_ID_ELEMENT_CONTENT_2,        GADGET_ID_NONE,
1813     NULL, NULL,                         "3"
1814   },
1815   {
1816     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
1817     3, 3,
1818     GADGET_ID_ELEMENT_CONTENT_3,        GADGET_ID_NONE,
1819     NULL, NULL,                         "4"
1820   },
1821   {
1822     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
1823     3, 3,
1824     GADGET_ID_ELEMENT_CONTENT_4,        GADGET_ID_NONE,
1825     NULL, NULL,                         "5"
1826   },
1827   {
1828     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
1829     3, 3,
1830     GADGET_ID_ELEMENT_CONTENT_5,        GADGET_ID_NONE,
1831     NULL, NULL,                         "6"
1832   },
1833   {
1834     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
1835     3, 3,
1836     GADGET_ID_ELEMENT_CONTENT_6,        GADGET_ID_NONE,
1837     NULL, NULL,                         "7"
1838   },
1839   {
1840     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
1841     3, 3,
1842     GADGET_ID_ELEMENT_CONTENT_7,        GADGET_ID_NONE,
1843     NULL, NULL,                         "8"
1844   },
1845
1846   /* ---------- amoeba content --------------------------------------------- */
1847
1848   {
1849     ED_AREA_ELEM_CONTENT_XPOS,          ED_AREA_ELEM_CONTENT_YPOS,
1850     1, 1,
1851     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
1852     NULL, "content of amoeba",          NULL
1853   },
1854
1855   /* ---------- custom graphic --------------------------------------------- */
1856
1857   {
1858     -1,                                 ED_AREA_ELEM_CONTENT3_YPOS,
1859     1, 1,
1860     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
1861     NULL, NULL,                         NULL
1862   },
1863
1864   /* ---------- custom content (when exploding) ---------------------------- */
1865
1866   {
1867     ED_AREA_ELEM_CONTENT4_XPOS,         ED_AREA_ELEM_CONTENT4_YPOS,
1868     3, 3,
1869     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
1870     "content:", NULL,                   NULL
1871   },
1872
1873   /* ---------- custom enter and leave element (when moving) --------------- */
1874
1875   {
1876     ED_SETTINGS_XPOS(1),                ED_AREA_ELEM_CONTENT4a_YPOS,
1877     1, 1,
1878     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
1879     "can dig:", " ",                    NULL
1880   },
1881   {
1882     -1,                                 ED_AREA_ELEM_CONTENT4b_YPOS,
1883     1, 1,
1884     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
1885     NULL, NULL,                         NULL
1886   },
1887
1888   /* ---------- custom change target --------------------------------------- */
1889
1890   {
1891     -1,                                 ED_AREA_ELEM_CONTENT2_YPOS,
1892     1, 1,
1893     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
1894     NULL, "after/when:",                NULL
1895   },
1896
1897   /* ---------- custom change content (extended change target) ------------- */
1898
1899   {
1900     ED_AREA_ELEM_CONTENT6_XPOS,         ED_AREA_ELEM_CONTENT6_YPOS,
1901     3, 3,
1902     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
1903     NULL, NULL,                         NULL
1904   },
1905
1906   /* ---------- custom change trigger (element causing change) ------------- */
1907
1908   {
1909     -1,                                 ED_AREA_ELEM_CONTENT5_YPOS,
1910     1, 1,
1911     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
1912     NULL, NULL,                         NULL
1913   },
1914
1915   /* ---------- group element content -------------------------------------- */
1916
1917   {
1918     ED_AREA_GROUP_CONTENT_XPOS,         ED_AREA_GROUP_CONTENT_YPOS,
1919     MAX_ELEMENTS_IN_GROUP, 1,
1920     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
1921     "content:", NULL,                   NULL
1922   },
1923
1924   /* ---------- random background (for random painting) -------------------- */
1925
1926   {
1927     -1,                                 ED_AREA_RANDOM_BACKGROUND_YPOS,
1928     1, 1,
1929     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
1930     NULL, NULL,                         NULL
1931   },
1932 };
1933
1934
1935 /*
1936   -----------------------------------------------------------------------------
1937   some internally used variables
1938   -----------------------------------------------------------------------------
1939 */
1940
1941 /* actual size of level editor drawing area */
1942 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1943
1944 /* actual position of level editor drawing area in level playfield */
1945 static int level_xpos = -1, level_ypos = -1;
1946
1947 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1948
1949 /* drawing elements on the three mouse buttons */
1950 static int new_element1 = EL_WALL;
1951 static int new_element2 = EL_EMPTY;
1952 static int new_element3 = EL_SAND;
1953
1954 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1955                                 (button) == 2 ? new_element2 : \
1956                                 (button) == 3 ? new_element3 : EL_EMPTY)
1957 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1958
1959 /* forward declaration for internal use */
1960 static void ModifyEditorCounter(int, int);
1961 static void ModifyEditorCounterLimits(int, int, int);
1962 static void ModifyEditorSelectbox(int, int);
1963 static void ModifyEditorDrawingArea(int, int, int);
1964 static void ModifyEditorElementList();
1965 static void RedrawDrawingElements();
1966 static void DrawDrawingWindow();
1967 static void DrawLevelInfoWindow();
1968 static void DrawPropertiesWindow();
1969 static void UpdateCustomElementGraphicGadgets();
1970 static boolean checkPropertiesConfig();
1971 static void CopyLevelToUndoBuffer(int);
1972 static void HandleDrawingAreas(struct GadgetInfo *);
1973 static void HandleCounterButtons(struct GadgetInfo *);
1974 static void HandleTextInputGadgets(struct GadgetInfo *);
1975 static void HandleTextAreaGadgets(struct GadgetInfo *);
1976 static void HandleSelectboxGadgets(struct GadgetInfo *);
1977 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1978 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
1979 static void HandleRadiobuttons(struct GadgetInfo *);
1980 static void HandleCheckbuttons(struct GadgetInfo *);
1981 static void HandleControlButtons(struct GadgetInfo *);
1982 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1983
1984 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1985 static int right_gadget_border[NUM_EDITOR_GADGETS];
1986
1987 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1988 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1989 static boolean draw_with_brush = FALSE;
1990 static int properties_element = 0;
1991
1992 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1993 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1994 static int undo_buffer_position = 0;
1995 static int undo_buffer_steps = 0;
1996
1997 static int edit_mode;
1998 static int edit_mode_properties;
1999
2000 static int element_shift = 0;
2001
2002 static int editor_hl_boulderdash[] =
2003 {
2004   EL_CHAR('B'),
2005   EL_CHAR('O'),
2006   EL_CHAR('U'),
2007   EL_CHAR('L'),
2008
2009   EL_CHAR('-'),
2010   EL_CHAR('D'),
2011   EL_CHAR('E'),
2012   EL_CHAR('R'),
2013
2014   EL_CHAR('D'),
2015   EL_CHAR('A'),
2016   EL_CHAR('S'),
2017   EL_CHAR('H'),
2018 };
2019
2020 static int editor_el_boulderdash[] =
2021 {
2022   EL_PLAYER_1,
2023   EL_EMPTY,
2024   EL_SAND,
2025   EL_STEELWALL,
2026
2027   EL_BD_WALL,
2028   EL_BD_MAGIC_WALL,
2029   EL_EXIT_CLOSED,
2030   EL_EXIT_OPEN,
2031
2032   EL_BD_DIAMOND,
2033   EL_BD_BUTTERFLY_UP,
2034   EL_BD_FIREFLY_UP,
2035   EL_BD_ROCK,
2036
2037   EL_BD_BUTTERFLY_LEFT,
2038   EL_BD_FIREFLY_LEFT,
2039   EL_BD_BUTTERFLY_RIGHT,
2040   EL_BD_FIREFLY_RIGHT,
2041
2042   EL_BD_AMOEBA,
2043   EL_BD_BUTTERFLY_DOWN,
2044   EL_BD_FIREFLY_DOWN,
2045   EL_EMPTY,
2046 };
2047 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
2048 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
2049 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
2050 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
2051
2052 static int editor_hl_emerald_mine[] =
2053 {
2054   EL_CHAR('E'),
2055   EL_CHAR('M'),
2056   EL_CHAR('E'),
2057   EL_CHAR('-'),
2058
2059   EL_CHAR('R'),
2060   EL_CHAR('A'),
2061   EL_CHAR('L'),
2062   EL_CHAR('D'),
2063
2064   EL_CHAR('M'),
2065   EL_CHAR('I'),
2066   EL_CHAR('N'),
2067   EL_CHAR('E'),
2068 };
2069
2070 static int editor_el_emerald_mine[] =
2071 {
2072   EL_PLAYER_1,
2073   EL_PLAYER_2,
2074   EL_PLAYER_3,
2075   EL_PLAYER_4,
2076
2077   EL_PLAYER_1,
2078   EL_EMPTY,
2079   EL_SAND,
2080   EL_ROCK,
2081
2082   EL_STEELWALL,
2083   EL_WALL,
2084   EL_WALL_SLIPPERY,
2085   EL_MAGIC_WALL,
2086
2087   EL_EMERALD,
2088   EL_DIAMOND,
2089   EL_NUT,
2090   EL_BOMB,
2091
2092   EL_WALL_EMERALD,
2093   EL_WALL_DIAMOND,
2094   EL_QUICKSAND_EMPTY,
2095   EL_QUICKSAND_FULL,
2096
2097   EL_DYNAMITE,
2098   EL_DYNAMITE_ACTIVE,
2099   EL_EXIT_CLOSED,
2100   EL_EXIT_OPEN,
2101
2102   EL_YAMYAM,
2103   EL_BUG_UP,
2104   EL_SPACESHIP_UP,
2105   EL_ROBOT,
2106
2107   EL_BUG_LEFT,
2108   EL_SPACESHIP_LEFT,
2109   EL_BUG_RIGHT,
2110   EL_SPACESHIP_RIGHT,
2111
2112   EL_ROBOT_WHEEL,
2113   EL_BUG_DOWN,
2114   EL_SPACESHIP_DOWN,
2115   EL_INVISIBLE_WALL,
2116
2117   EL_ACID_POOL_TOPLEFT,
2118   EL_ACID,
2119   EL_ACID_POOL_TOPRIGHT,
2120   EL_EMPTY,
2121
2122   EL_ACID_POOL_BOTTOMLEFT,
2123   EL_ACID_POOL_BOTTOM,
2124   EL_ACID_POOL_BOTTOMRIGHT,
2125   EL_EMPTY,
2126
2127   EL_AMOEBA_DROP,
2128   EL_AMOEBA_DEAD,
2129   EL_AMOEBA_WET,
2130   EL_AMOEBA_DRY,
2131
2132 #if 1
2133   EL_EM_KEY_1,
2134   EL_EM_KEY_2,
2135   EL_EM_KEY_3,
2136   EL_EM_KEY_4,
2137 #else
2138   EL_EM_KEY_1_FILE,
2139   EL_EM_KEY_2_FILE,
2140   EL_EM_KEY_3_FILE,
2141   EL_EM_KEY_4_FILE,
2142 #endif
2143
2144   EL_EM_GATE_1,
2145   EL_EM_GATE_2,
2146   EL_EM_GATE_3,
2147   EL_EM_GATE_4,
2148
2149   EL_EM_GATE_1_GRAY,
2150   EL_EM_GATE_2_GRAY,
2151   EL_EM_GATE_3_GRAY,
2152   EL_EM_GATE_4_GRAY,
2153 };
2154 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
2155 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
2156 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
2157 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
2158
2159 static int editor_hl_more[] =
2160 {
2161   EL_CHAR('M'),
2162   EL_CHAR('O'),
2163   EL_CHAR('R'),
2164   EL_CHAR('E'),
2165 };
2166
2167 static int editor_el_more[] =
2168 {
2169   EL_KEY_1,
2170   EL_KEY_2,
2171   EL_KEY_3,
2172   EL_KEY_4,
2173
2174   EL_GATE_1,
2175   EL_GATE_2,
2176   EL_GATE_3,
2177   EL_GATE_4,
2178
2179   EL_GATE_1_GRAY,
2180   EL_GATE_2_GRAY,
2181   EL_GATE_3_GRAY,
2182   EL_GATE_4_GRAY,
2183
2184   EL_ARROW_LEFT,
2185   EL_ARROW_RIGHT,
2186   EL_ARROW_UP,
2187   EL_ARROW_DOWN,
2188
2189   EL_AMOEBA_FULL,
2190   EL_EMERALD_YELLOW,
2191   EL_EMERALD_RED,
2192   EL_EMERALD_PURPLE,
2193
2194   EL_WALL_BD_DIAMOND,
2195   EL_WALL_EMERALD_YELLOW,
2196   EL_WALL_EMERALD_RED,
2197   EL_WALL_EMERALD_PURPLE,
2198
2199   EL_GAME_OF_LIFE,
2200   EL_PACMAN_UP,
2201   EL_TIME_ORB_FULL,
2202   EL_TIME_ORB_EMPTY,
2203
2204   EL_PACMAN_LEFT,
2205   EL_DARK_YAMYAM,
2206   EL_PACMAN_RIGHT,
2207   EL_EXPANDABLE_WALL,
2208
2209   EL_BIOMAZE,
2210   EL_PACMAN_DOWN,
2211   EL_LAMP,
2212   EL_LAMP_ACTIVE,
2213
2214   EL_DYNABOMB_INCREASE_NUMBER,
2215   EL_DYNABOMB_INCREASE_SIZE,
2216   EL_DYNABOMB_INCREASE_POWER,
2217   EL_STONEBLOCK,
2218
2219   EL_MOLE,
2220   EL_PENGUIN,
2221   EL_PIG,
2222   EL_DRAGON,
2223
2224   EL_BUG,
2225   EL_MOLE_UP,
2226   EL_BD_BUTTERFLY,
2227   EL_BD_FIREFLY,
2228
2229   EL_MOLE_LEFT,
2230   EL_EMPTY,
2231   EL_MOLE_RIGHT,
2232   EL_PACMAN,
2233
2234   EL_SPACESHIP,
2235   EL_MOLE_DOWN,
2236   EL_BALLOON,
2237   EL_BALLOON_SWITCH_ANY,
2238
2239   EL_BALLOON_SWITCH_LEFT,
2240   EL_BALLOON_SWITCH_RIGHT,
2241   EL_BALLOON_SWITCH_UP,
2242   EL_BALLOON_SWITCH_DOWN,
2243
2244   EL_SATELLITE,
2245   EL_EXPANDABLE_WALL_HORIZONTAL,
2246   EL_EXPANDABLE_WALL_VERTICAL,
2247   EL_EXPANDABLE_WALL_ANY,
2248
2249   EL_INVISIBLE_STEELWALL,
2250   EL_INVISIBLE_WALL,
2251   EL_SPEED_PILL,
2252   EL_BLACK_ORB,
2253
2254   EL_EMC_STEELWALL_1,
2255   EL_EMC_WALL_1,
2256   EL_EMC_WALL_2,
2257   EL_EMC_WALL_3,
2258
2259   EL_EMC_WALL_4,
2260   EL_EMC_WALL_5,
2261   EL_EMC_WALL_6,
2262   EL_EMC_WALL_7,
2263 };
2264 static int *editor_hl_more_ptr = editor_hl_more;
2265 static int *editor_el_more_ptr = editor_el_more;
2266 static int num_editor_hl_more = SIZEOF_ARRAY_INT(editor_hl_more);
2267 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
2268
2269 static int editor_hl_sokoban[] =
2270 {
2271   EL_CHAR('S'),
2272   EL_CHAR('O'),
2273   EL_CHAR('K'),
2274   EL_CHAR('O'),
2275
2276   EL_CHAR('-'),
2277   EL_CHAR('B'),
2278   EL_CHAR('A'),
2279   EL_CHAR('N'),
2280 };
2281
2282 static int editor_el_sokoban[] =
2283 {
2284   EL_SOKOBAN_OBJECT,
2285   EL_SOKOBAN_FIELD_EMPTY,
2286   EL_SOKOBAN_FIELD_FULL,
2287   EL_SOKOBAN_FIELD_PLAYER,
2288 };
2289 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
2290 static int *editor_el_sokoban_ptr = editor_el_sokoban;
2291 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
2292 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
2293
2294 static int editor_hl_supaplex[] =
2295 {
2296   EL_CHAR('S'),
2297   EL_CHAR('U'),
2298   EL_CHAR('P'),
2299   EL_CHAR('A'),
2300
2301   EL_CHAR('P'),
2302   EL_CHAR('L'),
2303   EL_CHAR('E'),
2304   EL_CHAR('X'),
2305 };
2306
2307 static int editor_el_supaplex[] =
2308 {
2309 #if 1
2310   EL_EMPTY,
2311 #else
2312   EL_SP_EMPTY,
2313 #endif
2314   EL_SP_ZONK,
2315   EL_SP_BASE,
2316   EL_SP_MURPHY,
2317
2318   EL_SP_INFOTRON,
2319   EL_SP_CHIP_SINGLE,
2320   EL_SP_HARDWARE_GRAY,
2321   EL_SP_EXIT_CLOSED,
2322
2323   EL_SP_DISK_ORANGE,
2324   EL_SP_PORT_RIGHT,
2325   EL_SP_PORT_DOWN,
2326   EL_SP_PORT_LEFT,
2327
2328   EL_SP_PORT_UP,
2329   EL_SP_GRAVITY_PORT_RIGHT,
2330   EL_SP_GRAVITY_PORT_DOWN,
2331   EL_SP_GRAVITY_PORT_LEFT,
2332
2333   EL_SP_GRAVITY_PORT_UP,
2334   EL_SP_SNIKSNAK,
2335   EL_SP_DISK_YELLOW,
2336   EL_SP_TERMINAL,
2337
2338   EL_SP_DISK_RED,
2339   EL_SP_PORT_VERTICAL,
2340   EL_SP_PORT_HORIZONTAL,
2341   EL_SP_PORT_ANY,
2342
2343   EL_SP_ELECTRON,
2344   EL_SP_BUGGY_BASE,
2345   EL_SP_CHIP_LEFT,
2346   EL_SP_CHIP_RIGHT,
2347
2348   EL_SP_HARDWARE_BASE_1,
2349   EL_SP_HARDWARE_GREEN,
2350   EL_SP_HARDWARE_BLUE,
2351   EL_SP_HARDWARE_RED,
2352
2353   EL_SP_HARDWARE_YELLOW,
2354   EL_SP_HARDWARE_BASE_2,
2355   EL_SP_HARDWARE_BASE_3,
2356   EL_SP_HARDWARE_BASE_4,
2357
2358   EL_SP_HARDWARE_BASE_5,
2359   EL_SP_HARDWARE_BASE_6,
2360   EL_SP_CHIP_TOP,
2361   EL_SP_CHIP_BOTTOM,
2362 };
2363 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
2364 static int *editor_el_supaplex_ptr = editor_el_supaplex;
2365 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
2366 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
2367
2368 static int editor_hl_diamond_caves[] =
2369 {
2370   EL_CHAR('D'),
2371   EL_CHAR('I'),
2372   EL_CHAR('A'),
2373   EL_CHAR('-'),
2374
2375   EL_CHAR('M'),
2376   EL_CHAR('O'),
2377   EL_CHAR('N'),
2378   EL_CHAR('D'),
2379
2380   EL_CHAR('C'),
2381   EL_CHAR('A'),
2382   EL_CHAR('V'),
2383   EL_CHAR('E'),
2384
2385   EL_CHAR('S'),
2386   EL_CHAR(' '),
2387   EL_CHAR('I'),
2388   EL_CHAR('I'),
2389 };
2390
2391 static int editor_el_diamond_caves[] =
2392 {
2393   EL_PEARL,
2394   EL_CRYSTAL,
2395   EL_WALL_PEARL,
2396   EL_WALL_CRYSTAL,
2397
2398   EL_CONVEYOR_BELT_1_LEFT,
2399   EL_CONVEYOR_BELT_1_MIDDLE,
2400   EL_CONVEYOR_BELT_1_RIGHT,
2401   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2402
2403   EL_CONVEYOR_BELT_2_LEFT,
2404   EL_CONVEYOR_BELT_2_MIDDLE,
2405   EL_CONVEYOR_BELT_2_RIGHT,
2406   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2407
2408   EL_CONVEYOR_BELT_3_LEFT,
2409   EL_CONVEYOR_BELT_3_MIDDLE,
2410   EL_CONVEYOR_BELT_3_RIGHT,
2411   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2412
2413   EL_CONVEYOR_BELT_4_LEFT,
2414   EL_CONVEYOR_BELT_4_MIDDLE,
2415   EL_CONVEYOR_BELT_4_RIGHT,
2416   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2417
2418   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2419   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2420   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2421   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2422
2423   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2424   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2425   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2426   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2427
2428   EL_SWITCHGATE_OPEN,
2429   EL_SWITCHGATE_CLOSED,
2430   EL_SWITCHGATE_SWITCH_UP,
2431   EL_EMPTY,
2432
2433   EL_ENVELOPE_1,
2434   EL_ENVELOPE_2,
2435   EL_ENVELOPE_3,
2436   EL_ENVELOPE_4,
2437
2438   EL_TIMEGATE_CLOSED,
2439   EL_TIMEGATE_OPEN,
2440   EL_TIMEGATE_SWITCH,
2441   EL_EMPTY,
2442
2443   EL_LANDMINE,
2444   EL_INVISIBLE_SAND,
2445   EL_STEELWALL_SLIPPERY,
2446   EL_EMPTY,
2447
2448   EL_SIGN_EXCLAMATION,
2449   EL_SIGN_STOP,
2450   EL_LIGHT_SWITCH,
2451   EL_LIGHT_SWITCH_ACTIVE,
2452
2453   EL_SHIELD_NORMAL,
2454   EL_SHIELD_DEADLY,
2455   EL_EXTRA_TIME,
2456   EL_EMPTY,
2457 };
2458 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
2459 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
2460 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
2461 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
2462
2463 static int editor_hl_dx_boulderdash[] =
2464 {
2465   EL_CHAR('D'),
2466   EL_CHAR('X'),
2467   EL_CHAR('-'),
2468   EL_CHAR(' '),
2469
2470   EL_CHAR('B'),
2471   EL_CHAR('O'),
2472   EL_CHAR('U'),
2473   EL_CHAR('L'),
2474
2475   EL_CHAR('-'),
2476   EL_CHAR('D'),
2477   EL_CHAR('E'),
2478   EL_CHAR('R'),
2479
2480   EL_CHAR('D'),
2481   EL_CHAR('A'),
2482   EL_CHAR('S'),
2483   EL_CHAR('H'),
2484 };
2485
2486 static int editor_el_dx_boulderdash[] =
2487 {
2488   EL_SPRING,
2489   EL_TUBE_RIGHT_DOWN,
2490   EL_TUBE_HORIZONTAL_DOWN,
2491   EL_TUBE_LEFT_DOWN,
2492
2493   EL_TUBE_HORIZONTAL,
2494   EL_TUBE_VERTICAL_RIGHT,
2495   EL_TUBE_ANY,
2496   EL_TUBE_VERTICAL_LEFT,
2497
2498   EL_TUBE_VERTICAL,
2499   EL_TUBE_RIGHT_UP,
2500   EL_TUBE_HORIZONTAL_UP,
2501   EL_TUBE_LEFT_UP,
2502
2503   EL_TRAP,
2504   EL_DX_SUPABOMB,
2505   EL_EMPTY,
2506   EL_EMPTY
2507 };
2508 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
2509 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
2510 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
2511 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
2512
2513 static int editor_hl_chars[] =
2514 {
2515   EL_CHAR('T'),
2516   EL_CHAR('E'),
2517   EL_CHAR('X'),
2518   EL_CHAR('T'),
2519 };
2520
2521 static int editor_el_chars[] =
2522 {
2523   EL_CHAR(' '),
2524   EL_CHAR('!'),
2525   EL_CHAR('"'),
2526   EL_CHAR('#'),
2527
2528   EL_CHAR('$'),
2529   EL_CHAR('%'),
2530   EL_CHAR('&'),
2531   EL_CHAR('\''),
2532
2533   EL_CHAR('('),
2534   EL_CHAR(')'),
2535   EL_CHAR('*'),
2536   EL_CHAR('+'),
2537
2538   EL_CHAR(','),
2539   EL_CHAR('-'),
2540   EL_CHAR('.'),
2541   EL_CHAR('/'),
2542
2543   EL_CHAR('0'),
2544   EL_CHAR('1'),
2545   EL_CHAR('2'),
2546   EL_CHAR('3'),
2547
2548   EL_CHAR('4'),
2549   EL_CHAR('5'),
2550   EL_CHAR('6'),
2551   EL_CHAR('7'),
2552
2553   EL_CHAR('8'),
2554   EL_CHAR('9'),
2555   EL_CHAR(':'),
2556   EL_CHAR(';'),
2557
2558   EL_CHAR('<'),
2559   EL_CHAR('='),
2560   EL_CHAR('>'),
2561   EL_CHAR('?'),
2562
2563   EL_CHAR('@'),
2564   EL_CHAR('A'),
2565   EL_CHAR('B'),
2566   EL_CHAR('C'),
2567
2568   EL_CHAR('D'),
2569   EL_CHAR('E'),
2570   EL_CHAR('F'),
2571   EL_CHAR('G'),
2572
2573   EL_CHAR('H'),
2574   EL_CHAR('I'),
2575   EL_CHAR('J'),
2576   EL_CHAR('K'),
2577
2578   EL_CHAR('L'),
2579   EL_CHAR('M'),
2580   EL_CHAR('N'),
2581   EL_CHAR('O'),
2582
2583   EL_CHAR('P'),
2584   EL_CHAR('Q'),
2585   EL_CHAR('R'),
2586   EL_CHAR('S'),
2587
2588   EL_CHAR('T'),
2589   EL_CHAR('U'),
2590   EL_CHAR('V'),
2591   EL_CHAR('W'),
2592
2593   EL_CHAR('X'),
2594   EL_CHAR('Y'),
2595   EL_CHAR('Z'),
2596   EL_CHAR('['),
2597
2598   EL_CHAR('\\'),
2599   EL_CHAR(']'),
2600   EL_CHAR('^'),
2601   EL_CHAR('_'),
2602
2603   EL_CHAR('©'),
2604   EL_CHAR('Ä'),
2605   EL_CHAR('Ö'),
2606   EL_CHAR('Ü'),
2607
2608   EL_CHAR('°'),
2609   EL_CHAR('®'),
2610   EL_CHAR(FONT_ASCII_CURSOR),
2611   EL_CHAR(' ')
2612 };
2613 static int *editor_hl_chars_ptr = editor_hl_chars;
2614 static int *editor_el_chars_ptr = editor_el_chars;
2615 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
2616 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
2617
2618 static int editor_hl_custom[] =
2619 {
2620   EL_CHAR('C'),
2621   EL_CHAR('U'),
2622   EL_CHAR('S'),
2623   EL_CHAR('-'),
2624
2625   EL_CHAR('T'),
2626   EL_CHAR('O'),
2627   EL_CHAR('M'),
2628   EL_CHAR(' '),
2629
2630   EL_CHAR('E'),
2631   EL_CHAR('L'),
2632   EL_CHAR('E'),
2633   EL_CHAR('M'),
2634
2635   EL_CHAR('E'),
2636   EL_CHAR('N'),
2637   EL_CHAR('T'),
2638   EL_CHAR('S'),
2639 };
2640
2641 static int editor_el_custom[] =
2642 {
2643   EL_CUSTOM_START + 0,
2644   EL_CUSTOM_START + 1,
2645   EL_CUSTOM_START + 2,
2646   EL_CUSTOM_START + 3,
2647
2648   EL_CUSTOM_START + 4,
2649   EL_CUSTOM_START + 5,
2650   EL_CUSTOM_START + 6,
2651   EL_CUSTOM_START + 7,
2652
2653   EL_CUSTOM_START + 8,
2654   EL_CUSTOM_START + 9,
2655   EL_CUSTOM_START + 10,
2656   EL_CUSTOM_START + 11,
2657
2658   EL_CUSTOM_START + 12,
2659   EL_CUSTOM_START + 13,
2660   EL_CUSTOM_START + 14,
2661   EL_CUSTOM_START + 15,
2662
2663   EL_CUSTOM_START + 16,
2664   EL_CUSTOM_START + 17,
2665   EL_CUSTOM_START + 18,
2666   EL_CUSTOM_START + 19,
2667
2668   EL_CUSTOM_START + 20,
2669   EL_CUSTOM_START + 21,
2670   EL_CUSTOM_START + 22,
2671   EL_CUSTOM_START + 23,
2672
2673   EL_CUSTOM_START + 24,
2674   EL_CUSTOM_START + 25,
2675   EL_CUSTOM_START + 26,
2676   EL_CUSTOM_START + 27,
2677
2678   EL_CUSTOM_START + 28,
2679   EL_CUSTOM_START + 29,
2680   EL_CUSTOM_START + 30,
2681   EL_CUSTOM_START + 31,
2682
2683   EL_CUSTOM_START + 32,
2684   EL_CUSTOM_START + 33,
2685   EL_CUSTOM_START + 34,
2686   EL_CUSTOM_START + 35,
2687
2688   EL_CUSTOM_START + 36,
2689   EL_CUSTOM_START + 37,
2690   EL_CUSTOM_START + 38,
2691   EL_CUSTOM_START + 39,
2692
2693   EL_CUSTOM_START + 40,
2694   EL_CUSTOM_START + 41,
2695   EL_CUSTOM_START + 42,
2696   EL_CUSTOM_START + 43,
2697
2698   EL_CUSTOM_START + 44,
2699   EL_CUSTOM_START + 45,
2700   EL_CUSTOM_START + 46,
2701   EL_CUSTOM_START + 47,
2702
2703   EL_CUSTOM_START + 48,
2704   EL_CUSTOM_START + 49,
2705   EL_CUSTOM_START + 50,
2706   EL_CUSTOM_START + 51,
2707
2708   EL_CUSTOM_START + 52,
2709   EL_CUSTOM_START + 53,
2710   EL_CUSTOM_START + 54,
2711   EL_CUSTOM_START + 55,
2712
2713   EL_CUSTOM_START + 56,
2714   EL_CUSTOM_START + 57,
2715   EL_CUSTOM_START + 58,
2716   EL_CUSTOM_START + 59,
2717
2718   EL_CUSTOM_START + 60,
2719   EL_CUSTOM_START + 61,
2720   EL_CUSTOM_START + 62,
2721   EL_CUSTOM_START + 63,
2722
2723   EL_CUSTOM_START + 64,
2724   EL_CUSTOM_START + 65,
2725   EL_CUSTOM_START + 66,
2726   EL_CUSTOM_START + 67,
2727
2728   EL_CUSTOM_START + 68,
2729   EL_CUSTOM_START + 69,
2730   EL_CUSTOM_START + 70,
2731   EL_CUSTOM_START + 71,
2732
2733   EL_CUSTOM_START + 72,
2734   EL_CUSTOM_START + 73,
2735   EL_CUSTOM_START + 74,
2736   EL_CUSTOM_START + 75,
2737
2738   EL_CUSTOM_START + 76,
2739   EL_CUSTOM_START + 77,
2740   EL_CUSTOM_START + 78,
2741   EL_CUSTOM_START + 79,
2742
2743   EL_CUSTOM_START + 80,
2744   EL_CUSTOM_START + 81,
2745   EL_CUSTOM_START + 82,
2746   EL_CUSTOM_START + 83,
2747
2748   EL_CUSTOM_START + 84,
2749   EL_CUSTOM_START + 85,
2750   EL_CUSTOM_START + 86,
2751   EL_CUSTOM_START + 87,
2752
2753   EL_CUSTOM_START + 88,
2754   EL_CUSTOM_START + 89,
2755   EL_CUSTOM_START + 90,
2756   EL_CUSTOM_START + 91,
2757
2758   EL_CUSTOM_START + 92,
2759   EL_CUSTOM_START + 93,
2760   EL_CUSTOM_START + 94,
2761   EL_CUSTOM_START + 95,
2762
2763   EL_CUSTOM_START + 96,
2764   EL_CUSTOM_START + 97,
2765   EL_CUSTOM_START + 98,
2766   EL_CUSTOM_START + 99,
2767
2768   EL_CUSTOM_START + 100,
2769   EL_CUSTOM_START + 101,
2770   EL_CUSTOM_START + 102,
2771   EL_CUSTOM_START + 103,
2772
2773   EL_CUSTOM_START + 104,
2774   EL_CUSTOM_START + 105,
2775   EL_CUSTOM_START + 106,
2776   EL_CUSTOM_START + 107,
2777
2778   EL_CUSTOM_START + 108,
2779   EL_CUSTOM_START + 109,
2780   EL_CUSTOM_START + 110,
2781   EL_CUSTOM_START + 111,
2782
2783   EL_CUSTOM_START + 112,
2784   EL_CUSTOM_START + 113,
2785   EL_CUSTOM_START + 114,
2786   EL_CUSTOM_START + 115,
2787
2788   EL_CUSTOM_START + 116,
2789   EL_CUSTOM_START + 117,
2790   EL_CUSTOM_START + 118,
2791   EL_CUSTOM_START + 119,
2792
2793   EL_CUSTOM_START + 120,
2794   EL_CUSTOM_START + 121,
2795   EL_CUSTOM_START + 122,
2796   EL_CUSTOM_START + 123,
2797
2798   EL_CUSTOM_START + 124,
2799   EL_CUSTOM_START + 125,
2800   EL_CUSTOM_START + 126,
2801   EL_CUSTOM_START + 127
2802 };
2803 static int *editor_hl_custom_ptr = editor_hl_custom;
2804 static int *editor_el_custom_ptr = editor_el_custom;
2805 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
2806 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
2807
2808 static int editor_hl_custom_more[] =
2809 {
2810 };
2811
2812 static int editor_el_custom_more[] =
2813 {
2814   EL_CUSTOM_START + 128,
2815   EL_CUSTOM_START + 129,
2816   EL_CUSTOM_START + 130,
2817   EL_CUSTOM_START + 131,
2818
2819   EL_CUSTOM_START + 132,
2820   EL_CUSTOM_START + 133,
2821   EL_CUSTOM_START + 134,
2822   EL_CUSTOM_START + 135,
2823
2824   EL_CUSTOM_START + 136,
2825   EL_CUSTOM_START + 137,
2826   EL_CUSTOM_START + 138,
2827   EL_CUSTOM_START + 139,
2828
2829   EL_CUSTOM_START + 140,
2830   EL_CUSTOM_START + 141,
2831   EL_CUSTOM_START + 142,
2832   EL_CUSTOM_START + 143,
2833
2834   EL_CUSTOM_START + 144,
2835   EL_CUSTOM_START + 145,
2836   EL_CUSTOM_START + 146,
2837   EL_CUSTOM_START + 147,
2838
2839   EL_CUSTOM_START + 148,
2840   EL_CUSTOM_START + 149,
2841   EL_CUSTOM_START + 150,
2842   EL_CUSTOM_START + 151,
2843
2844   EL_CUSTOM_START + 152,
2845   EL_CUSTOM_START + 153,
2846   EL_CUSTOM_START + 154,
2847   EL_CUSTOM_START + 155,
2848
2849   EL_CUSTOM_START + 156,
2850   EL_CUSTOM_START + 157,
2851   EL_CUSTOM_START + 158,
2852   EL_CUSTOM_START + 159,
2853
2854   EL_CUSTOM_START + 160,
2855   EL_CUSTOM_START + 161,
2856   EL_CUSTOM_START + 162,
2857   EL_CUSTOM_START + 163,
2858
2859   EL_CUSTOM_START + 164,
2860   EL_CUSTOM_START + 165,
2861   EL_CUSTOM_START + 166,
2862   EL_CUSTOM_START + 167,
2863
2864   EL_CUSTOM_START + 168,
2865   EL_CUSTOM_START + 169,
2866   EL_CUSTOM_START + 170,
2867   EL_CUSTOM_START + 171,
2868
2869   EL_CUSTOM_START + 172,
2870   EL_CUSTOM_START + 173,
2871   EL_CUSTOM_START + 174,
2872   EL_CUSTOM_START + 175,
2873
2874   EL_CUSTOM_START + 176,
2875   EL_CUSTOM_START + 177,
2876   EL_CUSTOM_START + 178,
2877   EL_CUSTOM_START + 179,
2878
2879   EL_CUSTOM_START + 180,
2880   EL_CUSTOM_START + 181,
2881   EL_CUSTOM_START + 182,
2882   EL_CUSTOM_START + 183,
2883
2884   EL_CUSTOM_START + 184,
2885   EL_CUSTOM_START + 185,
2886   EL_CUSTOM_START + 186,
2887   EL_CUSTOM_START + 187,
2888
2889   EL_CUSTOM_START + 188,
2890   EL_CUSTOM_START + 189,
2891   EL_CUSTOM_START + 190,
2892   EL_CUSTOM_START + 191,
2893
2894   EL_CUSTOM_START + 192,
2895   EL_CUSTOM_START + 193,
2896   EL_CUSTOM_START + 194,
2897   EL_CUSTOM_START + 195,
2898
2899   EL_CUSTOM_START + 196,
2900   EL_CUSTOM_START + 197,
2901   EL_CUSTOM_START + 198,
2902   EL_CUSTOM_START + 199,
2903
2904   EL_CUSTOM_START + 200,
2905   EL_CUSTOM_START + 201,
2906   EL_CUSTOM_START + 202,
2907   EL_CUSTOM_START + 203,
2908
2909   EL_CUSTOM_START + 204,
2910   EL_CUSTOM_START + 205,
2911   EL_CUSTOM_START + 206,
2912   EL_CUSTOM_START + 207,
2913
2914   EL_CUSTOM_START + 208,
2915   EL_CUSTOM_START + 209,
2916   EL_CUSTOM_START + 210,
2917   EL_CUSTOM_START + 211,
2918
2919   EL_CUSTOM_START + 212,
2920   EL_CUSTOM_START + 213,
2921   EL_CUSTOM_START + 214,
2922   EL_CUSTOM_START + 215,
2923
2924   EL_CUSTOM_START + 216,
2925   EL_CUSTOM_START + 217,
2926   EL_CUSTOM_START + 218,
2927   EL_CUSTOM_START + 219,
2928
2929   EL_CUSTOM_START + 220,
2930   EL_CUSTOM_START + 221,
2931   EL_CUSTOM_START + 222,
2932   EL_CUSTOM_START + 223,
2933
2934   EL_CUSTOM_START + 224,
2935   EL_CUSTOM_START + 225,
2936   EL_CUSTOM_START + 226,
2937   EL_CUSTOM_START + 227,
2938
2939   EL_CUSTOM_START + 228,
2940   EL_CUSTOM_START + 229,
2941   EL_CUSTOM_START + 230,
2942   EL_CUSTOM_START + 231,
2943
2944   EL_CUSTOM_START + 232,
2945   EL_CUSTOM_START + 233,
2946   EL_CUSTOM_START + 234,
2947   EL_CUSTOM_START + 235,
2948
2949   EL_CUSTOM_START + 236,
2950   EL_CUSTOM_START + 237,
2951   EL_CUSTOM_START + 238,
2952   EL_CUSTOM_START + 239,
2953
2954   EL_CUSTOM_START + 240,
2955   EL_CUSTOM_START + 241,
2956   EL_CUSTOM_START + 242,
2957   EL_CUSTOM_START + 243,
2958
2959   EL_CUSTOM_START + 244,
2960   EL_CUSTOM_START + 245,
2961   EL_CUSTOM_START + 246,
2962   EL_CUSTOM_START + 247,
2963
2964   EL_CUSTOM_START + 248,
2965   EL_CUSTOM_START + 249,
2966   EL_CUSTOM_START + 250,
2967   EL_CUSTOM_START + 251,
2968
2969   EL_CUSTOM_START + 252,
2970   EL_CUSTOM_START + 253,
2971   EL_CUSTOM_START + 254,
2972   EL_CUSTOM_START + 255
2973 };
2974 static int *editor_hl_custom_more_ptr = editor_hl_custom_more;
2975 static int *editor_el_custom_more_ptr = editor_el_custom_more;
2976 static int num_editor_hl_custom_more = SIZEOF_ARRAY_INT(editor_hl_custom_more);
2977 static int num_editor_el_custom_more = SIZEOF_ARRAY_INT(editor_el_custom_more);
2978
2979 static int editor_hl_group[] =
2980 {
2981   EL_CHAR('G'),
2982   EL_CHAR('R'),
2983   EL_CHAR('O'),
2984   EL_CHAR('U'),
2985
2986   EL_CHAR('P'),
2987   EL_CHAR(' '),
2988   EL_CHAR(' '),
2989   EL_CHAR(' '),
2990
2991   EL_CHAR('E'),
2992   EL_CHAR('L'),
2993   EL_CHAR('E'),
2994   EL_CHAR('M'),
2995
2996   EL_CHAR('E'),
2997   EL_CHAR('N'),
2998   EL_CHAR('T'),
2999   EL_CHAR('S'),
3000 };
3001
3002 static int editor_el_group[] =
3003 {
3004   EL_GROUP_START + 0,
3005   EL_GROUP_START + 1,
3006   EL_GROUP_START + 2,
3007   EL_GROUP_START + 3,
3008
3009   EL_GROUP_START + 4,
3010   EL_GROUP_START + 5,
3011   EL_GROUP_START + 6,
3012   EL_GROUP_START + 7,
3013
3014   EL_GROUP_START + 8,
3015   EL_GROUP_START + 9,
3016   EL_GROUP_START + 10,
3017   EL_GROUP_START + 11,
3018
3019   EL_GROUP_START + 12,
3020   EL_GROUP_START + 13,
3021   EL_GROUP_START + 14,
3022   EL_GROUP_START + 15
3023 };
3024 static int *editor_hl_group_ptr = editor_hl_group;
3025 static int *editor_el_group_ptr = editor_el_group;
3026 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
3027 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
3028
3029 static int editor_hl_group_more[] =
3030 {
3031 };
3032
3033 static int editor_el_group_more[] =
3034 {
3035   EL_GROUP_START + 16,
3036   EL_GROUP_START + 17,
3037   EL_GROUP_START + 18,
3038   EL_GROUP_START + 19,
3039
3040   EL_GROUP_START + 20,
3041   EL_GROUP_START + 21,
3042   EL_GROUP_START + 22,
3043   EL_GROUP_START + 23,
3044
3045   EL_GROUP_START + 24,
3046   EL_GROUP_START + 25,
3047   EL_GROUP_START + 26,
3048   EL_GROUP_START + 27,
3049
3050   EL_GROUP_START + 28,
3051   EL_GROUP_START + 29,
3052   EL_GROUP_START + 30,
3053   EL_GROUP_START + 31
3054 };
3055 static int *editor_hl_group_more_ptr = editor_hl_group_more;
3056 static int *editor_el_group_more_ptr = editor_el_group_more;
3057 static int num_editor_hl_group_more = SIZEOF_ARRAY_INT(editor_hl_group_more);
3058 static int num_editor_el_group_more = SIZEOF_ARRAY_INT(editor_el_group_more);
3059
3060 static int editor_hl_user_defined[] =
3061 {
3062   EL_CHAR('U'),
3063   EL_CHAR('S'),
3064   EL_CHAR('E'),
3065   EL_CHAR('R'),
3066
3067   EL_CHAR('D'),
3068   EL_CHAR('E'),
3069   EL_CHAR('F'),
3070   EL_CHAR('I'),
3071
3072   EL_CHAR('-'),
3073   EL_CHAR('N'),
3074   EL_CHAR('E'),
3075   EL_CHAR('D'),
3076 };
3077
3078 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
3079 static int *editor_el_user_defined_ptr = NULL;
3080 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
3081 static int num_editor_el_user_defined = 0;
3082
3083 static int editor_hl_empty[] = { };
3084 static int editor_el_empty[ED_NUM_ELEMENTLIST_BUTTONS];
3085
3086 static int *editor_hl_empty_ptr = editor_hl_empty;
3087 static int *editor_el_empty_ptr = editor_el_empty;
3088 static int num_editor_hl_empty = 0;
3089 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
3090
3091 static boolean use_el_empty = FALSE;
3092
3093 static int *editor_elements = NULL;     /* dynamically allocated */
3094 static int num_editor_elements = 0;     /* dynamically determined */
3095
3096 static struct
3097 {
3098   boolean *setup_value;
3099
3100   int **headline_list;
3101   int *headline_list_size;
3102
3103   int **element_list;
3104   int *element_list_size;
3105
3106   boolean last_setup_value;
3107 }
3108 editor_elements_info[] =
3109 {
3110   {
3111     &setup.editor.el_boulderdash,
3112     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
3113     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
3114   },
3115   {
3116     &setup.editor.el_emerald_mine,
3117     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
3118     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
3119   },
3120   {
3121     &setup.editor.el_more,
3122     &editor_hl_more_ptr,                &num_editor_hl_more,
3123     &editor_el_more_ptr,                &num_editor_el_more
3124   },
3125   {
3126     &setup.editor.el_sokoban,
3127     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
3128     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
3129   },
3130   {
3131     &setup.editor.el_supaplex,
3132     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
3133     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
3134   },
3135   {
3136     &setup.editor.el_diamond_caves,
3137     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
3138     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
3139   },
3140   {
3141     &setup.editor.el_dx_boulderdash,
3142     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
3143     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
3144   },
3145   {
3146     &setup.editor.el_chars,
3147     &editor_hl_chars_ptr,               &num_editor_hl_chars,
3148     &editor_el_chars_ptr,               &num_editor_el_chars
3149   },
3150   {
3151     &setup.editor.el_custom,
3152     &editor_hl_custom_ptr,              &num_editor_hl_custom,
3153     &editor_el_custom_ptr,              &num_editor_el_custom
3154   },
3155   {
3156     &setup.editor.el_custom_more,
3157     &editor_hl_custom_more_ptr,         &num_editor_hl_custom_more,
3158     &editor_el_custom_more_ptr,         &num_editor_el_custom_more
3159   },
3160   {
3161     &setup.editor.el_custom,
3162     &editor_hl_group_ptr,               &num_editor_hl_group,
3163     &editor_el_group_ptr,               &num_editor_el_group
3164   },
3165   {
3166     &setup.editor.el_custom_more,
3167     &editor_hl_group_more_ptr,          &num_editor_hl_group_more,
3168     &editor_el_group_more_ptr,          &num_editor_el_group_more
3169   },
3170   {
3171     &setup.editor.el_user_defined,
3172     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
3173     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
3174   },
3175   {
3176     &use_el_empty,
3177     &editor_hl_empty_ptr,               &num_editor_hl_empty,
3178     &editor_el_empty_ptr,               &num_editor_el_empty,
3179   },
3180   {
3181     NULL,
3182     NULL,                               NULL,
3183     NULL,                               NULL
3184   }
3185 };
3186
3187
3188 /*
3189   -----------------------------------------------------------------------------
3190   functions
3191   -----------------------------------------------------------------------------
3192 */
3193
3194 static int getMaxInfoTextLength()
3195 {
3196   return (SXSIZE / getFontWidth(FONT_TEXT_2));
3197 }
3198
3199 static int getTextWidthForGadget(char *text)
3200 {
3201   if (text == NULL)
3202     return 0;
3203
3204   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
3205 }
3206
3207 static int getTextWidthForDrawingArea(char *text)
3208 {
3209   if (text == NULL)
3210     return 0;
3211
3212   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
3213 }
3214
3215 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
3216 {
3217   return (gi->x + gi->width + getTextWidthForGadget(text));
3218 }
3219
3220 static char *getElementInfoText(int element)
3221 {
3222   char *info_text = NULL;
3223
3224   if (element < NUM_FILE_ELEMENTS)
3225   {
3226     if (strlen(element_info[element].description) > 0)
3227       info_text = element_info[element].description;
3228     else if (element_info[element].custom_description != NULL)
3229       info_text = element_info[element].custom_description;
3230     else if (element_info[element].editor_description != NULL)
3231       info_text = element_info[element].editor_description;
3232   }
3233
3234   if (info_text == NULL)
3235     info_text = INFOTEXT_UNKNOWN_ELEMENT;
3236
3237   return info_text;
3238 }
3239
3240 static void ReinitializeElementList()
3241 {
3242   static boolean initialized = FALSE;
3243   int pos = 0;
3244   int i, j;
3245
3246   checked_free(editor_elements);
3247
3248   if (!initialized)
3249   {
3250     /* initialize optional user defined element list */
3251     LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
3252                                      &num_editor_el_user_defined);
3253
3254     /* initialize list of empty elements (used for padding, if needed) */
3255     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
3256       editor_el_empty[i] = EL_EMPTY;
3257
3258     /* do some sanity checks for each element from element list */
3259     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3260     {
3261       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
3262       {
3263         int element = (*editor_elements_info[i].element_list)[j];
3264
3265         if (element >= NUM_FILE_ELEMENTS)
3266           Error(ERR_WARN, "editor element %d is runtime element", element);
3267
3268         if (strcmp(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT) == 0)
3269           Error(ERR_WARN, "no element description for element %d", element);
3270       }
3271     }
3272
3273     initialized = TRUE;
3274   }
3275
3276   num_editor_elements = 0;
3277   use_el_empty = FALSE;
3278
3279   /* determine size of element list */
3280   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3281   {
3282     if (*editor_elements_info[i].setup_value)
3283     {
3284       if (setup.editor.el_headlines)
3285         num_editor_elements += *editor_elements_info[i].headline_list_size;
3286
3287       num_editor_elements += *editor_elements_info[i].element_list_size;
3288     }
3289   }
3290
3291   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
3292   {
3293     /* offer at least as many elements as element buttons exist */
3294     use_el_empty = TRUE;
3295     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
3296
3297     num_editor_elements += num_editor_el_empty;
3298   }
3299
3300   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
3301
3302   /* fill element list */
3303   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3304   {
3305     if (*editor_elements_info[i].setup_value)
3306     {
3307       if (setup.editor.el_headlines)
3308         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
3309           editor_elements[pos++] = (*editor_elements_info[i].headline_list)[j];
3310
3311       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
3312         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
3313     }
3314   }
3315
3316   /* correct position of element list scrollbar */
3317   if (element_shift < 0)
3318     element_shift = 0;
3319   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
3320     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
3321 }
3322
3323 void PrintEditorElementList()
3324 {
3325   boolean *stop = &setup.editor.el_user_defined;
3326   int i, j;
3327
3328   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
3329   {
3330     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
3331     {
3332       int element = (*editor_elements_info[i].headline_list)[j];
3333
3334       printf("# %s\n", element_info[element].token_name);
3335     }
3336
3337     if (j > 0)
3338       printf("#\n");
3339
3340     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
3341     {
3342       int element = (*editor_elements_info[i].element_list)[j];
3343
3344       printf("# %s\n", element_info[element].token_name);
3345     }
3346
3347     if (j > 0)
3348       printf("#\n");
3349   }
3350 }
3351
3352 static void ReinitializeElementListButtons()
3353 {
3354   static boolean last_setup_value_headlines = FALSE;
3355   static boolean initialization_needed = TRUE;
3356   int i;
3357
3358   if (!initialization_needed)   /* check if editor element setup has changed */
3359   {
3360     if (last_setup_value_headlines != setup.editor.el_headlines)
3361       initialization_needed = TRUE;
3362
3363     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3364       if (editor_elements_info[i].last_setup_value !=
3365           *editor_elements_info[i].setup_value)
3366         initialization_needed = TRUE;
3367   }
3368
3369   if (!initialization_needed)
3370     return;
3371
3372   FreeLevelEditorGadgets();
3373   CreateLevelEditorGadgets();
3374
3375   /* store current setup values for next invocation of this function */
3376   last_setup_value_headlines = setup.editor.el_headlines;
3377   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3378     editor_elements_info[i].last_setup_value =
3379       *editor_elements_info[i].setup_value;
3380
3381   initialization_needed = FALSE;
3382 }
3383
3384 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
3385                               boolean input)
3386 {
3387   int border_graphic =
3388     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
3389   Bitmap *src_bitmap;
3390   int src_x, src_y;
3391   int num_mini_tilex = width  / MINI_TILEX + 1;
3392   int num_mini_tiley = height / MINI_TILEY + 1;
3393   int x, y;
3394
3395   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3396
3397   for (y = 0; y < num_mini_tiley; y++)
3398     for (x = 0; x < num_mini_tilex; x++)
3399       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3400                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3401                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3402
3403   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3404 }
3405
3406 static void DrawDrawingArea(int id)
3407 {
3408   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
3409   int x, y;
3410
3411   if (id == ED_DRAWING_ID_RANDOM_BACKGROUND)
3412     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3413                        el2edimg(random_placement_background_element));
3414   else if (id == ED_DRAWING_ID_AMOEBA_CONTENT)
3415     DrawMiniGraphicExt(drawto, gi->x, gi->y, el2edimg(level.amoeba_content));
3416   else if (id == ED_DRAWING_ID_CUSTOM_GRAPHIC)
3417     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3418                        el2edimg(custom_element.gfx_element));
3419   else if (id == ED_DRAWING_ID_CUSTOM_CONTENT)
3420     for (y = 0; y < 3; y++)
3421       for (x = 0; x < 3; x++)
3422         DrawMiniGraphicExt(drawto,
3423                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3424                            el2edimg(custom_element.content[x][y]));
3425   else if (id == ED_DRAWING_ID_CUSTOM_MOVE_ENTER)
3426     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3427                        el2edimg(custom_element.move_enter_element));
3428   else if (id == ED_DRAWING_ID_CUSTOM_MOVE_LEAVE)
3429     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3430                        el2edimg(custom_element.move_leave_element));
3431   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TARGET)
3432     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3433                        el2edimg(custom_element_change.target_element));
3434   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT)
3435     for (y = 0; y < 3; y++)
3436       for (x = 0; x < 3; x++)
3437         DrawMiniGraphicExt(drawto,
3438                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3439                            el2edimg(custom_element_change.content[x][y]));
3440   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER)
3441     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3442                        el2edimg(custom_element_change.trigger_element));
3443   else if (id == ED_DRAWING_ID_GROUP_CONTENT)
3444     for (x = 0; x < group_element_info.num_elements; x++)
3445       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX, gi->y,
3446                          el2edimg(group_element_info.element[x]));
3447   else if (id >= ED_DRAWING_ID_ELEMENT_CONTENT_0 &&
3448            id <= ED_DRAWING_ID_ELEMENT_CONTENT_7)
3449   {
3450     int nr = id - ED_DRAWING_ID_ELEMENT_CONTENT_0;
3451
3452     for (y = 0; y < 3; y++)
3453       for (x = 0; x < 3; x++)
3454         DrawMiniGraphicExt(drawto,
3455                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3456                            el2edimg(level.yamyam_content[nr][x][y]));
3457   }
3458 }
3459
3460 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
3461 {
3462   int x,y;
3463   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
3464   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
3465
3466   BlitBitmap(drawto, drawto,
3467              SX + (dx == -1 ? MINI_TILEX : 0),
3468              SY + (dy == -1 ? MINI_TILEY : 0),
3469              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
3470              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
3471              SX + (dx == +1 ? MINI_TILEX : 0),
3472              SY + (dy == +1 ? MINI_TILEY : 0));
3473   if (dx)
3474   {
3475     x = (dx == 1 ? 0 : ed_fieldx - 1);
3476     for (y = 0; y < ed_fieldy; y++)
3477       DrawMiniElementOrWall(x, y, from_x, from_y);
3478   }
3479   else if (dy)
3480   {
3481     y = (dy == 1 ? 0 : ed_fieldy - 1);
3482     for (x = 0; x < ed_fieldx; x++)
3483       DrawMiniElementOrWall(x, y, from_x, from_y);
3484   }
3485
3486   redraw_mask |= REDRAW_FIELD;
3487   BackToFront();
3488 }
3489
3490 static void CreateControlButtons()
3491 {
3492   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3493   struct GadgetInfo *gi;
3494   unsigned long event_mask;
3495   int i;
3496
3497   /* create toolbox buttons */
3498   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
3499   {
3500     int id = i;
3501     int width, height;
3502     int gd_xoffset, gd_yoffset;
3503     int gd_x1, gd_x2, gd_y1, gd_y2;
3504     int button_type;
3505     int radio_button_nr;
3506     boolean checked;
3507
3508     if (id == GADGET_ID_SINGLE_ITEMS ||
3509         id == GADGET_ID_CONNECTED_ITEMS ||
3510         id == GADGET_ID_LINE ||
3511         id == GADGET_ID_ARC ||
3512         id == GADGET_ID_TEXT ||
3513         id == GADGET_ID_RECTANGLE ||
3514         id == GADGET_ID_FILLED_BOX ||
3515         id == GADGET_ID_FLOOD_FILL ||
3516         id == GADGET_ID_GRAB_BRUSH ||
3517         id == GADGET_ID_PICK_ELEMENT ||
3518         id == GADGET_ID_CUSTOM_COPY_FROM ||
3519         id == GADGET_ID_CUSTOM_COPY_TO ||
3520         id == GADGET_ID_CUSTOM_EXCHANGE)
3521     {
3522       button_type = GD_TYPE_RADIO_BUTTON;
3523       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
3524       checked = (id == drawing_function ? TRUE : FALSE);
3525       event_mask = GD_EVENT_PRESSED;
3526     }
3527     else
3528     {
3529       button_type = GD_TYPE_NORMAL_BUTTON;
3530       radio_button_nr = RADIO_NR_NONE;
3531       checked = FALSE;
3532
3533       if (id == GADGET_ID_WRAP_LEFT ||
3534           id == GADGET_ID_WRAP_RIGHT ||
3535           id == GADGET_ID_WRAP_UP ||
3536           id == GADGET_ID_WRAP_DOWN)
3537         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3538       else
3539         event_mask = GD_EVENT_RELEASED;
3540     }
3541
3542     if (id < ED_NUM_CTRL1_BUTTONS)
3543     {
3544       int x = i % ED_CTRL1_BUTTONS_HORIZ;
3545       int y = i / ED_CTRL1_BUTTONS_HORIZ;
3546
3547       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
3548       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
3549       width = ED_CTRL1_BUTTON_XSIZE;
3550       height = ED_CTRL1_BUTTON_YSIZE;
3551
3552       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
3553       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
3554       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_GFX_YPOS     + gd_yoffset;
3555       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
3556     }
3557     else if (id < ED_NUM_CTRL1_2_BUTTONS)
3558     {
3559       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
3560       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
3561
3562       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
3563       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
3564       width = ED_CTRL2_BUTTON_XSIZE;
3565       height = ED_CTRL2_BUTTON_YSIZE;
3566
3567       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
3568       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
3569       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL2_BUTTONS_GFX_YPOS + gd_yoffset;
3570       gd_y2 = 0;        /* no alternative graphic for these buttons */
3571     }
3572     else
3573     {
3574       int x = (i - ED_NUM_CTRL1_2_BUTTONS) % ED_CTRL3_BUTTONS_HORIZ + 1;
3575       int y = (i - ED_NUM_CTRL1_2_BUTTONS) / ED_CTRL3_BUTTONS_HORIZ;
3576
3577       gd_xoffset = ED_CTRL3_BUTTONS_XPOS + x * ED_CTRL3_BUTTON_XSIZE;
3578       gd_yoffset = ED_CTRL3_BUTTONS_YPOS + y * ED_CTRL3_BUTTON_YSIZE;
3579       width = ED_CTRL3_BUTTON_XSIZE;
3580       height = ED_CTRL3_BUTTON_YSIZE;
3581
3582       gd_x1 = DOOR_GFX_PAGEX6 + gd_xoffset;
3583       gd_x2 = DOOR_GFX_PAGEX5 + gd_xoffset;
3584       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_GFX_YPOS     + gd_yoffset;
3585       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
3586     }
3587
3588     gi = CreateGadget(GDI_CUSTOM_ID, id,
3589                       GDI_CUSTOM_TYPE_ID, i,
3590                       GDI_INFO_TEXT, control_info[i].text,
3591                       GDI_X, EX + gd_xoffset,
3592                       GDI_Y, EY + gd_yoffset,
3593                       GDI_WIDTH, width,
3594                       GDI_HEIGHT, height,
3595                       GDI_TYPE, button_type,
3596                       GDI_STATE, GD_BUTTON_UNPRESSED,
3597                       GDI_RADIO_NR, radio_button_nr,
3598                       GDI_CHECKED, checked,
3599                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3600                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3601                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3602                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3603                       GDI_EVENT_MASK, event_mask,
3604                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3605                       GDI_CALLBACK_ACTION, HandleControlButtons,
3606                       GDI_END);
3607
3608     if (gi == NULL)
3609       Error(ERR_EXIT, "cannot create gadget");
3610
3611     level_editor_gadget[id] = gi;
3612   }
3613
3614   /* create buttons for scrolling of drawing area and element list */
3615   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
3616   {
3617     int id = scrollbutton_info[i].gadget_id;
3618     int x, y, width, height;
3619     int gd_x1, gd_x2, gd_y1, gd_y2;
3620
3621     x = scrollbutton_info[i].x;
3622     y = scrollbutton_info[i].y;
3623
3624     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3625
3626     if (id == GADGET_ID_SCROLL_LIST_UP ||
3627         id == GADGET_ID_SCROLL_LIST_DOWN)
3628     {
3629       x += DX;
3630       y += DY;
3631       width = ED_SCROLLBUTTON2_XSIZE;
3632       height = ED_SCROLLBUTTON2_YSIZE;
3633       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
3634       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
3635       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
3636       gd_y2 = gd_y1;
3637     }
3638     else
3639     {
3640       x += SX;
3641       y += SY;
3642       width = ED_SCROLLBUTTON_XSIZE;
3643       height = ED_SCROLLBUTTON_YSIZE;
3644       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
3645       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
3646       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
3647       gd_y2 = gd_y1;
3648     }
3649
3650     gi = CreateGadget(GDI_CUSTOM_ID, id,
3651                       GDI_CUSTOM_TYPE_ID, i,
3652                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
3653                       GDI_X, x,
3654                       GDI_Y, y,
3655                       GDI_WIDTH, width,
3656                       GDI_HEIGHT, height,
3657                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3658                       GDI_STATE, GD_BUTTON_UNPRESSED,
3659                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3660                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3661                       GDI_EVENT_MASK, event_mask,
3662                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3663                       GDI_CALLBACK_ACTION, HandleControlButtons,
3664                       GDI_END);
3665
3666     if (gi == NULL)
3667       Error(ERR_EXIT, "cannot create gadget");
3668
3669     level_editor_gadget[id] = gi;
3670   }
3671
3672   /* create buttons for element list */
3673   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
3674   {
3675     Bitmap *deco_bitmap;
3676     int deco_x, deco_y, deco_xpos, deco_ypos;
3677     int gd_xoffset, gd_yoffset;
3678     int gd_x1, gd_x2, gd_y;
3679     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
3680     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
3681     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
3682     int element = editor_elements[i];
3683
3684     event_mask = GD_EVENT_RELEASED;
3685
3686     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
3687     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
3688
3689     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
3690     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
3691     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
3692
3693     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
3694     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
3695     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
3696
3697     gi = CreateGadget(GDI_CUSTOM_ID, id,
3698                       GDI_CUSTOM_TYPE_ID, i,
3699                       GDI_INFO_TEXT, getElementInfoText(element),
3700                       GDI_X, DX + gd_xoffset,
3701                       GDI_Y, DY + gd_yoffset,
3702                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
3703                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
3704                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3705                       GDI_STATE, GD_BUTTON_UNPRESSED,
3706                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3707                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3708                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
3709                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
3710                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
3711                       GDI_DECORATION_SHIFTING, 1, 1,
3712                       GDI_EVENT_MASK, event_mask,
3713                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3714                       GDI_CALLBACK_ACTION, HandleControlButtons,
3715                       GDI_END);
3716
3717     if (gi == NULL)
3718       Error(ERR_EXIT, "cannot create gadget");
3719
3720     level_editor_gadget[id] = gi;
3721   }
3722 }
3723
3724 static void CreateCounterButtons()
3725 {
3726   int max_infotext_len = getMaxInfoTextLength();
3727   int i;
3728
3729   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
3730   {
3731     int j;
3732     int x = SX + counterbutton_info[i].x;       /* down count button */
3733     int y = SY + counterbutton_info[i].y;
3734
3735     /* determine horizontal position to the right of specified gadget */
3736     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3737       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
3738            ED_GADGET_TEXT_DISTANCE);
3739
3740     /* determine horizontal offset for leading text */
3741     if (counterbutton_info[i].text_left != NULL)
3742       x += getTextWidthForGadget(counterbutton_info[i].text_left);
3743
3744     for (j = 0; j < 2; j++)
3745     {
3746       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3747       struct GadgetInfo *gi;
3748       int id = (j == 0 ?
3749                 counterbutton_info[i].gadget_id_down :
3750                 counterbutton_info[i].gadget_id_up);
3751       int gd_xoffset;
3752       int gd_x, gd_x1, gd_x2, gd_y;
3753       int x_size, y_size;
3754       unsigned long event_mask;
3755       char infotext[max_infotext_len + 1];
3756
3757       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3758
3759       if (i == ED_COUNTER_ID_SELECT_LEVEL)
3760       {
3761         int sid = (j == 0 ?
3762                    ED_SCROLLBUTTON_ID_AREA_LEFT :
3763                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
3764
3765         event_mask |= GD_EVENT_RELEASED;
3766
3767         if (j == 1)
3768           x += 2 * ED_GADGET_DISTANCE;
3769         y += ED_GADGET_DISTANCE;
3770
3771         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
3772         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
3773         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
3774         x_size = ED_SCROLLBUTTON_XSIZE;
3775         y_size = ED_SCROLLBUTTON_YSIZE;
3776       }
3777       else
3778       {
3779         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
3780         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
3781         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
3782         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
3783         x_size = ED_BUTTON_COUNT_XSIZE;
3784         y_size = ED_BUTTON_COUNT_YSIZE;
3785       }
3786
3787       sprintf(infotext, "%s counter value by 1, 5 or 10",
3788               (j == 0 ? "decrease" : "increase"));
3789
3790       gi = CreateGadget(GDI_CUSTOM_ID, id,
3791                         GDI_CUSTOM_TYPE_ID, i,
3792                         GDI_INFO_TEXT, infotext,
3793                         GDI_X, x,
3794                         GDI_Y, y,
3795                         GDI_WIDTH, x_size,
3796                         GDI_HEIGHT, y_size,
3797                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3798                         GDI_STATE, GD_BUTTON_UNPRESSED,
3799                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3800                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3801                         GDI_EVENT_MASK, event_mask,
3802                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3803                         GDI_CALLBACK_ACTION, HandleCounterButtons,
3804                         GDI_END);
3805
3806       if (gi == NULL)
3807         Error(ERR_EXIT, "cannot create gadget");
3808
3809       level_editor_gadget[id] = gi;
3810       right_gadget_border[id] =
3811         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
3812
3813       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
3814
3815       if (j == 0)
3816       {
3817         int font_type = FONT_INPUT_1;
3818         int font_type_active = FONT_INPUT_1_ACTIVE;
3819         int gd_width = ED_WIN_COUNT_XSIZE;
3820
3821         id = counterbutton_info[i].gadget_id_text;
3822         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3823
3824         if (i == ED_COUNTER_ID_SELECT_LEVEL)
3825         {
3826           font_type = FONT_LEVEL_NUMBER;
3827           font_type_active = FONT_LEVEL_NUMBER;
3828
3829           x += 2 * ED_GADGET_DISTANCE;
3830           y -= ED_GADGET_DISTANCE;
3831
3832           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
3833           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
3834           gd_width = ED_WIN_COUNT2_XSIZE;
3835         }
3836         else
3837         {
3838           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3839           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3840         }
3841
3842         gi = CreateGadget(GDI_CUSTOM_ID, id,
3843                           GDI_CUSTOM_TYPE_ID, i,
3844                           GDI_INFO_TEXT, "enter counter value",
3845                           GDI_X, x,
3846                           GDI_Y, y,
3847                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
3848                           GDI_NUMBER_VALUE, 0,
3849                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
3850                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
3851                           GDI_TEXT_SIZE, 3,
3852                           GDI_TEXT_FONT, font_type,
3853                           GDI_TEXT_FONT_ACTIVE, font_type_active,
3854                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3855                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3856                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3857                           GDI_DESIGN_WIDTH, gd_width,
3858                           GDI_EVENT_MASK, event_mask,
3859                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3860                           GDI_CALLBACK_ACTION, HandleCounterButtons,
3861                           GDI_END);
3862
3863         if (gi == NULL)
3864           Error(ERR_EXIT, "cannot create gadget");
3865
3866         level_editor_gadget[id] = gi;
3867         right_gadget_border[id] =
3868           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
3869
3870         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
3871       }
3872     }
3873   }
3874 }
3875
3876 static void CreateDrawingAreas()
3877 {
3878   int i;
3879
3880   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
3881   {
3882     struct GadgetInfo *gi;
3883     unsigned long event_mask;
3884     int id = drawingarea_info[i].gadget_id;
3885     int x = SX + drawingarea_info[i].x;
3886     int y = SY + drawingarea_info[i].y;
3887     int area_xsize = drawingarea_info[i].area_xsize;
3888     int area_ysize = drawingarea_info[i].area_ysize;
3889
3890     event_mask =
3891       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
3892       GD_EVENT_OFF_BORDERS;
3893
3894     /* determine horizontal position to the right of specified gadget */
3895     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
3896       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
3897            ED_DRAWINGAREA_TEXT_DISTANCE);
3898
3899     /* determine horizontal offset for leading text */
3900     if (drawingarea_info[i].text_left != NULL)
3901       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
3902
3903     gi = CreateGadget(GDI_CUSTOM_ID, id,
3904                       GDI_CUSTOM_TYPE_ID, i,
3905                       GDI_X, x,
3906                       GDI_Y, y,
3907                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
3908                       GDI_AREA_SIZE, area_xsize, area_ysize,
3909                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
3910                       GDI_EVENT_MASK, event_mask,
3911                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
3912                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
3913                       GDI_END);
3914
3915     if (gi == NULL)
3916       Error(ERR_EXIT, "cannot create gadget");
3917
3918     level_editor_gadget[id] = gi;
3919     right_gadget_border[id] =
3920       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
3921   }
3922 }
3923
3924 static void CreateTextInputGadgets()
3925 {
3926   int max_infotext_len = getMaxInfoTextLength();
3927   int i;
3928
3929   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
3930   {
3931     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3932     int gd_x, gd_y;
3933     struct GadgetInfo *gi;
3934     unsigned long event_mask;
3935     char infotext[MAX_OUTPUT_LINESIZE + 1];
3936     int id = textinput_info[i].gadget_id;
3937
3938     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3939
3940     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3941     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3942
3943     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
3944     infotext[max_infotext_len] = '\0';
3945
3946     gi = CreateGadget(GDI_CUSTOM_ID, id,
3947                       GDI_CUSTOM_TYPE_ID, i,
3948                       GDI_INFO_TEXT, infotext,
3949                       GDI_X, SX + textinput_info[i].x,
3950                       GDI_Y, SY + textinput_info[i].y,
3951                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
3952                       GDI_TEXT_VALUE, textinput_info[i].value,
3953                       GDI_TEXT_SIZE, textinput_info[i].size,
3954                       GDI_TEXT_FONT, FONT_INPUT_1,
3955                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3956                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3957                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3958                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3959                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3960                       GDI_EVENT_MASK, event_mask,
3961                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3962                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
3963                       GDI_END);
3964
3965     if (gi == NULL)
3966       Error(ERR_EXIT, "cannot create gadget");
3967
3968     level_editor_gadget[id] = gi;
3969   }
3970 }
3971
3972 static void CreateTextAreaGadgets()
3973 {
3974   int max_infotext_len = getMaxInfoTextLength();
3975   int i;
3976
3977   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
3978   {
3979     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3980     int gd_x, gd_y;
3981     struct GadgetInfo *gi;
3982     unsigned long event_mask;
3983     char infotext[MAX_OUTPUT_LINESIZE + 1];
3984     int id = textarea_info[i].gadget_id;
3985     int area_xsize = textarea_info[i].xsize;
3986     int area_ysize = textarea_info[i].ysize;
3987
3988     event_mask = GD_EVENT_TEXT_LEAVING;
3989
3990     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3991     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3992
3993     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
3994     infotext[max_infotext_len] = '\0';
3995
3996     gi = CreateGadget(GDI_CUSTOM_ID, id,
3997                       GDI_CUSTOM_TYPE_ID, i,
3998                       GDI_INFO_TEXT, infotext,
3999                       GDI_X, SX + textarea_info[i].x,
4000                       GDI_Y, SY + textarea_info[i].y,
4001                       GDI_TYPE, GD_TYPE_TEXT_AREA,
4002                       GDI_AREA_SIZE, area_xsize, area_ysize,
4003                       GDI_TEXT_FONT, FONT_INPUT_1,
4004                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
4005                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
4006                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
4007                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4008                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4009                       GDI_EVENT_MASK, event_mask,
4010                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4011                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
4012                       GDI_END);
4013
4014     if (gi == NULL)
4015       Error(ERR_EXIT, "cannot create gadget");
4016
4017     level_editor_gadget[id] = gi;
4018   }
4019 }
4020
4021 static void CreateSelectboxGadgets()
4022 {
4023   int max_infotext_len = getMaxInfoTextLength();
4024   int i, j;
4025
4026   for (i = 0; i < ED_NUM_SELECTBOX; i++)
4027   {
4028     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4029     int gd_x, gd_y;
4030     struct GadgetInfo *gi;
4031     unsigned long event_mask;
4032     char infotext[MAX_OUTPUT_LINESIZE + 1];
4033     int id = selectbox_info[i].gadget_id;
4034     int x = SX + selectbox_info[i].x;
4035     int y = SY + selectbox_info[i].y;
4036
4037     if (selectbox_info[i].size == -1)   /* dynamically determine size */
4038     {
4039       /* (we cannot use -1 for uninitialized values if we directly compare
4040          with results from strlen(), because the '<' and '>' operation will
4041          implicitely cast -1 to an unsigned integer value!) */
4042       selectbox_info[i].size = 0;
4043
4044       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
4045         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
4046           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
4047
4048       selectbox_info[i].size++;         /* add one character empty space */
4049     }
4050
4051     event_mask = GD_EVENT_RELEASED |
4052       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
4053
4054     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
4055     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
4056
4057     /* determine horizontal position to the right of specified gadget */
4058     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
4059       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
4060            ED_GADGET_TEXT_DISTANCE);
4061
4062     /* determine horizontal offset for leading text */
4063     if (selectbox_info[i].text_left != NULL)
4064       x += getTextWidthForGadget(selectbox_info[i].text_left);
4065
4066     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
4067     infotext[max_infotext_len] = '\0';
4068
4069     gi = CreateGadget(GDI_CUSTOM_ID, id,
4070                       GDI_CUSTOM_TYPE_ID, i,
4071                       GDI_INFO_TEXT, infotext,
4072                       GDI_X, x,
4073                       GDI_Y, y,
4074                       GDI_TYPE, GD_TYPE_SELECTBOX,
4075                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
4076                       GDI_TEXT_SIZE, selectbox_info[i].size,
4077                       GDI_TEXT_FONT, FONT_INPUT_1,
4078                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
4079                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
4080                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
4081                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4082                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
4083                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4084                       GDI_EVENT_MASK, event_mask,
4085                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4086                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
4087                       GDI_END);
4088
4089     if (gi == NULL)
4090       Error(ERR_EXIT, "cannot create gadget");
4091
4092     level_editor_gadget[id] = gi;
4093     right_gadget_border[id] =
4094       getRightGadgetBorder(gi, selectbox_info[i].text_right);
4095   }
4096 }
4097
4098 static void CreateTextbuttonGadgets()
4099 {
4100   int max_infotext_len = getMaxInfoTextLength();
4101   int i;
4102
4103   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
4104   {
4105     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4106     int gd_x1, gd_x2, gd_y1, gd_y2;
4107     struct GadgetInfo *gi;
4108     unsigned long event_mask;
4109     char infotext[MAX_OUTPUT_LINESIZE + 1];
4110     int id = textbutton_info[i].gadget_id;
4111     int x = SX + textbutton_info[i].x;
4112     int y = SY + textbutton_info[i].y;
4113
4114     if (textbutton_info[i].size == -1)  /* dynamically determine size */
4115       textbutton_info[i].size = strlen(textbutton_info[i].text);
4116
4117     event_mask = GD_EVENT_RELEASED;
4118
4119     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
4120     {
4121       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
4122       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
4123       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
4124       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
4125     }
4126     else
4127     {
4128       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
4129       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
4130       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
4131       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
4132     }
4133
4134     sprintf(infotext, "%s", textbutton_info[i].infotext);
4135     infotext[max_infotext_len] = '\0';
4136
4137     /* determine horizontal position to the right of specified gadget */
4138     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4139       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
4140            ED_GADGET_TEXT_DISTANCE);
4141
4142     /* determine horizontal offset for leading text */
4143     if (textbutton_info[i].text_left != NULL)
4144       x += getTextWidthForGadget(textbutton_info[i].text_left);
4145
4146     gi = CreateGadget(GDI_CUSTOM_ID, id,
4147                       GDI_CUSTOM_TYPE_ID, i,
4148                       GDI_INFO_TEXT, infotext,
4149                       GDI_X, x,
4150                       GDI_Y, y,
4151                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
4152                       GDI_TEXT_VALUE, textbutton_info[i].text,
4153                       GDI_TEXT_SIZE, textbutton_info[i].size,
4154                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
4155                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
4156                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4157                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
4158                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
4159                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
4160                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4161                       GDI_DECORATION_SHIFTING, 1, 1,
4162                       GDI_EVENT_MASK, event_mask,
4163                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4164                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
4165                       GDI_END);
4166
4167     if (gi == NULL)
4168       Error(ERR_EXIT, "cannot create gadget");
4169
4170     level_editor_gadget[id] = gi;
4171     right_gadget_border[id] =
4172       getRightGadgetBorder(gi, textbutton_info[i].text_right);
4173   }
4174 }
4175
4176 static void CreateGraphicbuttonGadgets()
4177 {
4178   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4179   struct GadgetInfo *gi;
4180   unsigned long event_mask;
4181   int i;
4182
4183   /* create buttons for scrolling of drawing area and element list */
4184   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
4185   {
4186     int id = graphicbutton_info[i].gadget_id;
4187     int gd_x1, gd_x2, gd_y1, gd_y2;
4188     int x = SX + graphicbutton_info[i].x;
4189     int y = SY + graphicbutton_info[i].y;
4190
4191     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
4192
4193     gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
4194     gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
4195     gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
4196     gd_y2 = gd_y1;
4197
4198     /* determine horizontal position to the right of specified gadget */
4199     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4200       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
4201            ED_GADGET_TEXT_DISTANCE);
4202
4203     /* determine horizontal offset for leading text */
4204     if (graphicbutton_info[i].text_left != NULL)
4205       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
4206
4207     gi = CreateGadget(GDI_CUSTOM_ID, id,
4208                       GDI_CUSTOM_TYPE_ID, i,
4209                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
4210                       GDI_X, x,
4211                       GDI_Y, y,
4212                       GDI_WIDTH, graphicbutton_info[i].width,
4213                       GDI_HEIGHT, graphicbutton_info[i].height,
4214                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
4215                       GDI_STATE, GD_BUTTON_UNPRESSED,
4216                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4217                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
4218                       GDI_EVENT_MASK, event_mask,
4219                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4220                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
4221                       GDI_END);
4222
4223     if (gi == NULL)
4224       Error(ERR_EXIT, "cannot create gadget");
4225
4226     level_editor_gadget[id] = gi;
4227     right_gadget_border[id] =
4228       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
4229   }
4230 }
4231
4232 static void CreateScrollbarGadgets()
4233 {
4234   int i;
4235
4236   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
4237   {
4238     int id = scrollbar_info[i].gadget_id;
4239     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4240     int gd_x1, gd_x2, gd_y1, gd_y2;
4241     struct GadgetInfo *gi;
4242     int items_max, items_visible, item_position;
4243     unsigned long event_mask;
4244
4245     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
4246     {
4247       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
4248       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
4249       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
4250     }
4251     else        /* drawing area scrollbars */
4252     {
4253       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
4254       {
4255         items_max = MAX(lev_fieldx + 2, ed_fieldx);
4256         items_visible = ed_fieldx;
4257         item_position = 0;
4258       }
4259       else
4260       {
4261         items_max = MAX(lev_fieldy + 2, ed_fieldy);
4262         items_visible = ed_fieldy;
4263         item_position = 0;
4264       }
4265     }
4266
4267     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
4268
4269     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
4270     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
4271                       scrollbar_info[i].height : scrollbar_info[i].width));
4272     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
4273     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
4274
4275     gi = CreateGadget(GDI_CUSTOM_ID, id,
4276                       GDI_CUSTOM_TYPE_ID, i,
4277                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
4278                       GDI_X, scrollbar_info[i].x,
4279                       GDI_Y, scrollbar_info[i].y,
4280                       GDI_WIDTH, scrollbar_info[i].width,
4281                       GDI_HEIGHT, scrollbar_info[i].height,
4282                       GDI_TYPE, scrollbar_info[i].type,
4283                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
4284                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
4285                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
4286                       GDI_STATE, GD_BUTTON_UNPRESSED,
4287                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4288                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
4289                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4290                       GDI_EVENT_MASK, event_mask,
4291                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4292                       GDI_CALLBACK_ACTION, HandleControlButtons,
4293                       GDI_END);
4294
4295     if (gi == NULL)
4296       Error(ERR_EXIT, "cannot create gadget");
4297
4298     level_editor_gadget[id] = gi;
4299   }
4300 }
4301
4302 static void CreateCheckbuttonGadgets()
4303 {
4304   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4305   struct GadgetInfo *gi;
4306   unsigned long event_mask;
4307   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
4308   int i;
4309
4310   event_mask = GD_EVENT_PRESSED;
4311
4312   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4313   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4314   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
4315   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
4316   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
4317
4318   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
4319   {
4320     int id = checkbutton_info[i].gadget_id;
4321     int x = SX + checkbutton_info[i].x;
4322     int y = SY + checkbutton_info[i].y;
4323
4324     if (id == GADGET_ID_STICK_ELEMENT)
4325       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
4326     else
4327       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
4328
4329     /* determine horizontal position to the right of specified gadget */
4330     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4331       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
4332            ED_GADGET_TEXT_DISTANCE);
4333
4334     /* determine horizontal offset for leading text */
4335     if (checkbutton_info[i].text_left != NULL)
4336       x += getTextWidthForGadget(checkbutton_info[i].text_left);
4337
4338     gi = CreateGadget(GDI_CUSTOM_ID, id,
4339                       GDI_CUSTOM_TYPE_ID, i,
4340                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
4341                       GDI_X, x,
4342                       GDI_Y, y,
4343                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
4344                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
4345                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
4346                       GDI_CHECKED, *checkbutton_info[i].value,
4347                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4348                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4349                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
4350                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
4351                       GDI_EVENT_MASK, event_mask,
4352                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4353                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
4354                       GDI_END);
4355
4356     if (gi == NULL)
4357       Error(ERR_EXIT, "cannot create gadget");
4358
4359     level_editor_gadget[id] = gi;
4360     right_gadget_border[id] =
4361       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
4362   }
4363 }
4364
4365 static void CreateRadiobuttonGadgets()
4366 {
4367   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4368   struct GadgetInfo *gi;
4369   unsigned long event_mask;
4370   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
4371   int i;
4372
4373   event_mask = GD_EVENT_PRESSED;
4374
4375   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4376   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4377   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
4378   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
4379   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
4380
4381   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
4382   {
4383     int id = radiobutton_info[i].gadget_id;
4384     int x = SX + radiobutton_info[i].x;
4385     int y = SY + radiobutton_info[i].y;
4386
4387     int checked =
4388       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
4389
4390     /* determine horizontal position to the right of specified gadget */
4391     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
4392       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
4393            ED_GADGET_TEXT_DISTANCE);
4394
4395     /* determine horizontal offset for leading text */
4396     if (radiobutton_info[i].text_left != NULL)
4397       x += getTextWidthForGadget(radiobutton_info[i].text_left);
4398
4399     gi = CreateGadget(GDI_CUSTOM_ID, id,
4400                       GDI_CUSTOM_TYPE_ID, i,
4401                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
4402                       GDI_X, x,
4403                       GDI_Y, y,
4404                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
4405                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
4406                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
4407                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
4408                       GDI_CHECKED, checked,
4409                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4410                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4411                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
4412                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
4413                       GDI_EVENT_MASK, event_mask,
4414                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4415                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
4416                       GDI_END);
4417
4418     if (gi == NULL)
4419       Error(ERR_EXIT, "cannot create gadget");
4420
4421     level_editor_gadget[id] = gi;
4422     right_gadget_border[id] =
4423       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
4424   }
4425 }
4426
4427 void CreateLevelEditorGadgets()
4428 {
4429   int old_game_status = game_status;
4430
4431   /* setting 'game_status' is needed to get the right fonts for the editor */
4432   game_status = GAME_MODE_EDITOR;
4433
4434   ReinitializeElementList();
4435
4436   CreateControlButtons();
4437   CreateScrollbarGadgets();
4438
4439   /* order of function calls is important because of cross-references */
4440   CreateCheckbuttonGadgets();
4441   CreateCounterButtons();
4442   CreateRadiobuttonGadgets();
4443   CreateTextInputGadgets();
4444   CreateTextAreaGadgets();
4445   CreateSelectboxGadgets();
4446   CreateGraphicbuttonGadgets();
4447   CreateTextbuttonGadgets();
4448   CreateDrawingAreas();
4449
4450   game_status = old_game_status;
4451 }
4452
4453 void FreeLevelEditorGadgets()
4454 {
4455   int i;
4456
4457   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
4458     FreeGadget(level_editor_gadget[i]);
4459 }
4460
4461 static void MapCounterButtons(int id)
4462 {
4463   int gadget_id_down = counterbutton_info[id].gadget_id_down;
4464   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
4465   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
4466   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
4467 #if 0
4468   char infotext[MAX_OUTPUT_LINESIZE + 1];
4469   int max_infotext_len = getMaxInfoTextLength();
4470   int xoffset_left = 0;
4471   int yoffset_left = ED_BORDER_SIZE;
4472   int xoffset_right = getCounterGadgetWidth();
4473   int yoffset_right = ED_BORDER_SIZE;
4474 #else
4475   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
4476   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4477   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
4478   int yoffset = ED_BORDER_SIZE;
4479   int x_left = gi_down->x - xoffset_left;
4480   int x_right = gi_up->x + gi_up->width + xoffset_right;
4481   int y_above = gi_down->y - yoffset_above;
4482   int x = gi_down->x;
4483   int y = gi_up->y + yoffset;
4484 #endif
4485
4486   if (counterbutton_info[id].text_above)
4487     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
4488
4489   if (counterbutton_info[id].text_left)
4490     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
4491
4492   if (counterbutton_info[id].text_right)
4493     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
4494
4495   ModifyEditorCounter(id, *counterbutton_info[id].value);
4496
4497   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
4498   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
4499   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
4500 }
4501
4502 static void MapControlButtons()
4503 {
4504   int counter_id;
4505   int i;
4506
4507   /* map toolbox buttons (excluding special CE toolbox buttons) */
4508   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
4509     MapGadget(level_editor_gadget[i]);
4510
4511   /* map buttons to select elements */
4512   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
4513     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
4514   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
4515   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
4516   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
4517
4518   /* map buttons to select level */
4519   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
4520   ModifyEditorCounterLimits(counter_id,
4521                             leveldir_current->first_level,
4522                             leveldir_current->last_level);
4523   MapCounterButtons(counter_id);
4524 }
4525
4526 static void MapDrawingArea(int id)
4527 {
4528   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
4529   int area_xsize = gi->drawing.area_xsize;
4530   int area_ysize = gi->drawing.area_ysize;
4531   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
4532   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
4533   int x_left  = gi->x - xoffset_left;
4534   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
4535   int x_below = gi->x + (gi->width - xoffset_below) / 2;
4536   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
4537   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
4538
4539   if (drawingarea_info[id].text_left)
4540     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
4541
4542   if (drawingarea_info[id].text_right)
4543     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
4544
4545   if (drawingarea_info[id].text_below)
4546     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
4547
4548   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
4549   {
4550     DrawElementBorder(gi->x, gi->y,
4551                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
4552
4553     DrawDrawingArea(id);
4554   }
4555
4556   MapGadget(gi);
4557 }
4558
4559 static void MapTextInputGadget(int id)
4560 {
4561   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
4562   int xoffset_above = 0;
4563   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
4564   int x_above = textinput_info[id].x + xoffset_above;
4565   int y_above = textinput_info[id].y + yoffset_above;
4566
4567   if (textinput_info[id].text_above)
4568     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
4569
4570   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
4571
4572   MapGadget(gi);
4573 }
4574
4575 static void MapTextAreaGadget(int id)
4576 {
4577   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
4578   int xoffset_above = 0;
4579   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
4580   int x_above = textarea_info[id].x + xoffset_above;
4581   int y_above = textarea_info[id].y + yoffset_above;
4582
4583   if (textarea_info[id].text_above)
4584     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
4585
4586   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
4587
4588   MapGadget(gi);
4589 }
4590
4591 static void MapSelectboxGadget(int id)
4592 {
4593   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
4594   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
4595   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4596   int yoffset = ED_BORDER_SIZE;
4597   int x_left = gi->x - xoffset_left;
4598   int x_right = gi->x + gi->width + xoffset_right;
4599   int y = gi->y + yoffset;
4600
4601   if (selectbox_info[id].text_left)
4602     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
4603
4604   if (selectbox_info[id].text_right)
4605     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
4606
4607   ModifyEditorSelectbox(id, *selectbox_info[id].value);
4608
4609   MapGadget(gi);
4610 }
4611
4612 static void MapTextbuttonGadget(int id)
4613 {
4614   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
4615   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
4616   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4617   int yoffset = ED_BORDER_SIZE;
4618   int x_left = gi->x - xoffset_left;
4619   int x_right = gi->x + gi->width + xoffset_right;
4620   int y = gi->y + yoffset;
4621
4622   /* only show button to delete change pages when more than minimum pages */
4623   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
4624       custom_element.num_change_pages == MIN_CHANGE_PAGES)
4625     return;
4626
4627   if (textbutton_info[id].text_left)
4628     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
4629
4630   if (textbutton_info[id].text_right)
4631     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
4632
4633   MapGadget(gi);
4634 }
4635
4636 static void MapGraphicbuttonGadget(int id)
4637 {
4638   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
4639   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
4640   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4641   int yoffset = ED_BORDER_SIZE;
4642   int x_left = gi->x - xoffset_left;
4643   int x_right = gi->x + gi->width + xoffset_right;
4644   int y = gi->y + yoffset;
4645
4646   if (graphicbutton_info[id].text_left)
4647     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
4648
4649   if (graphicbutton_info[id].text_right)
4650     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
4651
4652   MapGadget(gi);
4653 }
4654
4655 static void MapRadiobuttonGadget(int id)
4656 {
4657   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
4658   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
4659   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4660   int yoffset = ED_BORDER_SIZE;
4661   int x_left = gi->x - xoffset_left;
4662   int x_right = gi->x + gi->width + xoffset_right;
4663   int y = gi->y + yoffset;
4664   boolean checked =
4665     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
4666
4667   if (radiobutton_info[id].text_left)
4668     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
4669
4670   if (radiobutton_info[id].text_right)
4671     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
4672
4673   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
4674
4675   MapGadget(gi);
4676 }
4677
4678 static void MapCheckbuttonGadget(int id)
4679 {
4680   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
4681   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
4682   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4683   int yoffset = ED_BORDER_SIZE;
4684   int x_left = gi->x - xoffset_left;
4685   int x_right = gi->x + gi->width + xoffset_right;
4686   int y = gi->y + yoffset;
4687
4688   /* special case needed for "sticky" gadget */
4689   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value,
4690                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
4691   y = gi->y + yoffset;
4692
4693   if (checkbutton_info[id].text_left)
4694     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
4695
4696   if (checkbutton_info[id].text_right)
4697     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
4698
4699   MapGadget(gi);
4700 }
4701
4702 static void MapMainDrawingArea()
4703 {
4704   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
4705   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
4706   int i;
4707
4708   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
4709   {
4710     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
4711           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
4712          no_horizontal_scrollbar) ||
4713         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
4714           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
4715          no_vertical_scrollbar))
4716       continue;
4717
4718     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
4719   }
4720
4721   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
4722   {
4723     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
4724         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
4725       continue;
4726
4727     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
4728   }
4729
4730   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
4731 }
4732
4733 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
4734 {
4735   int i;
4736
4737   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
4738   {
4739     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
4740         i == GADGET_ID_CUSTOM_COPY_TO ||
4741         i == GADGET_ID_CUSTOM_EXCHANGE)
4742     {
4743       if (map)
4744         MapGadget(level_editor_gadget[i]);
4745       else
4746         UnmapGadget(level_editor_gadget[i]);
4747     }
4748   }
4749 }
4750
4751 static void MapLevelEditorToolboxCustomGadgets()
4752 {
4753   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
4754 }
4755
4756 static void UnmapLevelEditorToolboxCustomGadgets()
4757 {
4758   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
4759 }
4760
4761 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
4762 {
4763   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4764   int i;
4765
4766   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
4767   {
4768     if (i != GADGET_ID_SINGLE_ITEMS &&
4769         i != GADGET_ID_PROPERTIES &&
4770         i != GADGET_ID_PICK_ELEMENT)
4771     {
4772       struct GadgetInfo *gi = level_editor_gadget[i];
4773
4774       if (map)
4775         MapGadget(gi);
4776       else
4777       {
4778         UnmapGadget(gi);
4779
4780         BlitBitmap(gd_bitmap, drawto,
4781                    DOOR_GFX_PAGEX6 + ED_CTRL_NO_BUTTONS_GFX_XPOS,
4782                    DOOR_GFX_PAGEY1 + ED_CTRL_NO_BUTTONS_GFX_YPOS,
4783                    gi->width, gi->height, gi->x, gi->y);
4784
4785         redraw_mask |= REDRAW_DOOR_3;
4786       }
4787     }
4788   }
4789 }
4790
4791 static void MapLevelEditorToolboxDrawingGadgets()
4792 {
4793   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
4794 }
4795
4796 static void UnmapLevelEditorToolboxDrawingGadgets()
4797 {
4798   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
4799 }
4800
4801 static void UnmapDrawingArea(int id)
4802 {
4803   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
4804 }
4805
4806 static void UnmapLevelEditorWindowGadgets()
4807 {
4808   int i;
4809
4810   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
4811     if (level_editor_gadget[i]->x < SX + SXSIZE)
4812       UnmapGadget(level_editor_gadget[i]);
4813 }
4814
4815 void UnmapLevelEditorGadgets()
4816 {
4817   int i;
4818
4819   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
4820     UnmapGadget(level_editor_gadget[i]);
4821 }
4822
4823 static void ResetUndoBuffer()
4824 {
4825   undo_buffer_position = -1;
4826   undo_buffer_steps = -1;
4827   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4828 }
4829
4830 static void DrawEditModeWindow()
4831 {
4832   ModifyEditorElementList();
4833   RedrawDrawingElements();
4834
4835   if (edit_mode == ED_MODE_INFO)
4836     DrawLevelInfoWindow();
4837   else if (edit_mode == ED_MODE_PROPERTIES)
4838     DrawPropertiesWindow();
4839   else  /* edit_mode == ED_MODE_DRAWING */
4840     DrawDrawingWindow();
4841 }
4842
4843 static boolean LevelChanged()
4844 {
4845   boolean level_changed = FALSE;
4846   int x, y;
4847
4848   for (y = 0; y < lev_fieldy; y++)
4849     for (x = 0; x < lev_fieldx; x++)
4850       if (Feld[x][y] != level.field[x][y])
4851         level_changed = TRUE;
4852
4853   return level_changed;
4854 }
4855
4856 static boolean LevelContainsPlayer()
4857 {
4858   boolean player_found = FALSE;
4859   int x, y;
4860
4861   for (y = 0; y < lev_fieldy; y++)
4862     for (x = 0; x < lev_fieldx; x++)
4863       if (Feld[x][y] == EL_PLAYER_1 ||
4864           Feld[x][y] == EL_SP_MURPHY)
4865         player_found = TRUE;
4866
4867   return player_found;
4868 }
4869
4870 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
4871                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
4872 {
4873   int x, y;
4874
4875   for (x = 0; x < lev_fieldx; x++)
4876     for (y = 0; y < lev_fieldy; y++)
4877       dst[x][y] = src[x][y];
4878 }
4879
4880 static int setSelectboxValue(int selectbox_id, int new_value)
4881 {
4882   int new_index_value = 0;
4883   int i;
4884
4885   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
4886     if (selectbox_info[selectbox_id].options[i].value == new_value)
4887       new_index_value = i;
4888
4889   *selectbox_info[selectbox_id].value =
4890     selectbox_info[selectbox_id].options[new_index_value].value;
4891
4892   return new_index_value;
4893 }
4894
4895 static void copy_custom_element_settings(int element_from, int element_to)
4896 {
4897 #if 1
4898   struct ElementInfo ei_to_old = element_info[element_to];
4899   struct ElementInfo *ei_from = &element_info[element_from];
4900   struct ElementInfo *ei_to = &element_info[element_to];
4901   int i;
4902
4903   /* ---------- copy whole element structure ---------- */
4904   *ei_to = *ei_from;
4905
4906   /* ---------- restore structure pointers which cannot be copied ---------- */
4907   ei_to->token_name         = ei_to_old.token_name;
4908   ei_to->class_name         = ei_to_old.class_name;
4909   ei_to->editor_description = ei_to_old.editor_description;
4910   ei_to->custom_description = ei_to_old.custom_description;
4911   ei_to->change_page        = ei_to_old.change_page;
4912   ei_to->change             = ei_to_old.change;
4913   ei_to->group              = ei_to_old.group;
4914
4915   /* ---------- copy element base properties ---------- */
4916   Properties[element_to][EP_BITFIELD_BASE] =
4917     Properties[element_from][EP_BITFIELD_BASE];
4918
4919   /* ---------- reinitialize and copy change pages ---------- */
4920   setElementChangePages(ei_to, ei_to->num_change_pages);
4921
4922   for (i=0; i < ei_to->num_change_pages; i++)
4923     ei_to->change_page[i] = ei_from->change_page[i];
4924
4925   /* ---------- copy group element info ---------- */
4926   if (ei_from->group != NULL && ei_to->group != NULL)   /* group or internal */
4927     *ei_to->group = *ei_from->group;
4928
4929 #else
4930
4931   struct ElementInfo *ei_from = &element_info[element_from];
4932   struct ElementInfo *ei_to = &element_info[element_to];
4933   int i, x, y;
4934
4935   /* ---------- copy element description ---------- */
4936   for (i = 0; i < MAX_ELEMENT_NAME_LEN + 1; i++)
4937     ei_to->description[i] = ei_from->description[i];
4938
4939   /* ---------- copy element properties ---------- */
4940   Properties[element_to][EP_BITFIELD_BASE] =
4941     Properties[element_from][EP_BITFIELD_BASE];
4942
4943   /* ---------- copy custom property values ---------- */
4944
4945   ei_to->use_gfx_element = ei_from->use_gfx_element;
4946   ei_to->gfx_element = ei_from->gfx_element;
4947
4948   ei_to->collect_score = ei_from->collect_score;
4949   ei_to->collect_count = ei_from->collect_count;
4950
4951   ei_to->push_delay_fixed = ei_from->push_delay_fixed;
4952   ei_to->push_delay_random = ei_from->push_delay_random;
4953   ei_to->move_delay_fixed = ei_from->move_delay_fixed;
4954   ei_to->move_delay_random = ei_from->move_delay_random;
4955
4956   ei_to->move_pattern = ei_from->move_pattern;
4957   ei_to->move_direction_initial = ei_from->move_direction_initial;
4958   ei_to->move_stepsize = ei_from->move_stepsize;
4959
4960   ei_to->slippery_type = ei_from->slippery_type;
4961
4962   for (y = 0; y < 3; y++)
4963     for (x = 0; x < 3; x++)
4964       ei_to->content[x][y] = ei_from->content[x][y];
4965
4966   ei_to->num_change_pages = ei_from->num_change_pages;
4967   setElementChangePages(ei_to, ei_to->num_change_pages);
4968
4969   for (i=0; i < ei_to->num_change_pages; i++)
4970   {
4971     struct ElementChangeInfo *change_to = &ei_to->change_page[i];
4972     struct ElementChangeInfo *change_from = &ei_from->change_page[i];
4973
4974     /* always start with reliable default values */
4975     setElementChangeInfoToDefaults(change_to);
4976
4977     change_to->events = change_from->events;
4978
4979     change_to->target_element = change_from->target_element;
4980
4981     change_to->delay_fixed = change_from->delay_fixed;
4982     change_to->delay_random = change_from->delay_random;
4983     change_to->delay_frames = change_from->delay_frames;
4984
4985     change_to->trigger_element = change_from->trigger_element;
4986
4987     change_to->explode = change_from->explode;
4988     change_to->use_content = change_from->use_content;
4989     change_to->only_complete = change_from->only_complete;
4990     change_to->use_random_change = change_from->use_random_change;
4991
4992     change_to->random = change_from->random;
4993     change_to->power = change_from->power;
4994
4995     for (y = 0; y < 3; y++)
4996       for (x = 0; x < 3; x++)
4997         change_to->content[x][y] = change_from->content[x][y];
4998
4999     change_to->can_change = change_from->can_change;
5000
5001     change_to->sides = change_from->sides;
5002   }
5003 #endif
5004
5005   /* mark this custom element as modified */
5006   ei_to->modified_settings = TRUE;
5007 }
5008
5009 static void replace_custom_element_in_settings(int element_from,
5010                                                int element_to)
5011 {
5012   int i, j, x, y;
5013
5014   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5015   {
5016     struct ElementInfo *ei = &element_info[i];
5017
5018     for (y = 0; y < 3; y++)
5019       for (x = 0; x < 3; x++)
5020         if (ei->content[x][y] == element_from)
5021           ei->content[x][y] = element_to;
5022
5023     for (j = 0; j < ei->num_change_pages; j++)
5024     {
5025       struct ElementChangeInfo *change = &ei->change_page[j];
5026
5027       if (change->target_element == element_from)
5028         change->target_element = element_to;
5029
5030       if (change->trigger_element == element_from)
5031         change->trigger_element = element_to;
5032
5033       for (y = 0; y < 3; y++)
5034         for (x = 0; x < 3; x++)
5035           if (change->content[x][y] == element_from)
5036             change->content[x][y] = element_to;
5037     }
5038
5039     if (ei->group != NULL)                              /* group or internal */
5040       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
5041         if (ei->group->element[j] == element_from)
5042           ei->group->element[j] = element_to;
5043   }
5044 }
5045
5046 static void replace_custom_element_in_playfield(int element_from,
5047                                                 int element_to)
5048 {
5049   int x, y;
5050
5051   for (x = 0; x < lev_fieldx; x++)
5052     for (y = 0; y < lev_fieldy; y++)
5053       if (Feld[x][y] == element_from)
5054         Feld[x][y] = element_to;
5055 }
5056
5057 static boolean CopyCustomElement(int element_old, int element_new,
5058                                  int copy_mode)
5059 {
5060   if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
5061   {
5062     Request("Please choose custom element !", REQ_CONFIRM);
5063
5064     return FALSE;
5065   }
5066   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
5067   {
5068     Request("Please choose group element !", REQ_CONFIRM);
5069
5070     return FALSE;
5071   }
5072
5073   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
5074   {
5075     copy_custom_element_settings(element_new, element_old);
5076   }
5077   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
5078   {
5079     copy_custom_element_settings(element_old, element_new);
5080   }
5081   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
5082   {
5083     copy_custom_element_settings(element_old, EL_INTERNAL_EDITOR);
5084     copy_custom_element_settings(element_new, element_old);
5085     copy_custom_element_settings(EL_INTERNAL_EDITOR, element_new);
5086
5087     replace_custom_element_in_settings(element_old, EL_INTERNAL_EDITOR);
5088     replace_custom_element_in_settings(element_new, element_old);
5089     replace_custom_element_in_settings(EL_INTERNAL_EDITOR, element_new);
5090
5091     replace_custom_element_in_playfield(element_old, EL_INTERNAL_EDITOR);
5092     replace_custom_element_in_playfield(element_new, element_old);
5093     replace_custom_element_in_playfield(EL_INTERNAL_EDITOR, element_new);
5094   }
5095
5096   UpdateCustomElementGraphicGadgets();
5097   DrawPropertiesWindow();
5098
5099   return TRUE;
5100 }
5101
5102 static void CopyCustomElementPropertiesToEditor(int element)
5103 {
5104   int i;
5105   int current_change_page = element_info[element].current_change_page;
5106
5107   /* dynamically (re)build selectbox for selecting change page */
5108   for (i = 0; i < element_info[element].num_change_pages; i++)
5109   {
5110     sprintf(options_change_page_strings[i], "%d", i + 1);
5111
5112     options_change_page[i].value = i;
5113     options_change_page[i].text = options_change_page_strings[i];
5114   }
5115
5116   options_change_page[i].value = -1;
5117   options_change_page[i].text = NULL;
5118
5119   /* needed here to initialize combined element properties */
5120   InitElementPropertiesEngine(level.game_version);
5121
5122   element_info[element].change =
5123     &element_info[element].change_page[current_change_page];
5124
5125   custom_element = element_info[element];
5126   custom_element_change = *element_info[element].change;
5127
5128   /* needed to initially set selectbox value variables to reliable defaults */
5129   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5130     setSelectboxValue(i, *selectbox_info[i].value);
5131
5132   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
5133     custom_element_properties[i] = HAS_PROPERTY(element, i);
5134
5135   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
5136     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
5137
5138   /* ---------- element settings: configure (custom elements) ------------- */
5139
5140   /* set accessible layer selectbox help value */
5141   custom_element.access_type =
5142     (IS_WALKABLE(element) ? EP_WALKABLE :
5143      IS_PASSABLE(element) ? EP_PASSABLE :
5144      custom_element.access_type);
5145   custom_element.access_layer =
5146     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
5147      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
5148      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
5149      custom_element.access_layer);
5150   custom_element_properties[EP_ACCESSIBLE] =
5151     (IS_ACCESSIBLE_OVER(element) ||
5152      IS_ACCESSIBLE_INSIDE(element) ||
5153      IS_ACCESSIBLE_UNDER(element));
5154
5155   /* set walk-to-object action selectbox help value */
5156   custom_element.walk_to_action =
5157     (IS_DIGGABLE(element) ? EP_DIGGABLE :
5158      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
5159      IS_DROPPABLE(element) ? EP_DROPPABLE :
5160      IS_PUSHABLE(element) ? EP_PUSHABLE :
5161      custom_element.walk_to_action);
5162   custom_element_properties[EP_WALK_TO_OBJECT] =
5163     (IS_DIGGABLE(element) ||
5164      IS_COLLECTIBLE_ONLY(element) ||
5165      IS_DROPPABLE(element) ||
5166      IS_PUSHABLE(element));
5167
5168   /* set smash targets selectbox help value */
5169   custom_element.smash_targets =
5170     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
5171      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
5172      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
5173      custom_element.smash_targets);
5174   custom_element_properties[EP_CAN_SMASH] =
5175     (CAN_SMASH_EVERYTHING(element) ||
5176      CAN_SMASH_ENEMIES(element) ||
5177      CAN_SMASH_PLAYER(element));
5178
5179   /* set deadliness selectbox help value */
5180   custom_element.deadliness =
5181     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
5182      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
5183      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
5184      custom_element.deadliness);
5185   custom_element_properties[EP_DEADLY] =
5186     (DONT_TOUCH(element) ||
5187      DONT_COLLIDE_WITH(element) ||
5188      DONT_RUN_INTO(element));
5189
5190   /* set consistency selectbox help value */
5191   custom_element.consistency =
5192     (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
5193      CAN_EXPLODE_1X1(element) ? EP_CAN_EXPLODE_1X1 :
5194      CAN_EXPLODE_3X3(element) ? EP_CAN_EXPLODE_3X3 :
5195      CAN_EXPLODE_DYNA(element) ? EP_CAN_EXPLODE_DYNA :
5196      custom_element.consistency);
5197   custom_element_properties[EP_EXPLODE_RESULT] =
5198     (IS_INDESTRUCTIBLE(element) ||
5199      CAN_EXPLODE_1X1(element) ||
5200      CAN_EXPLODE_3X3(element) ||
5201      CAN_EXPLODE_DYNA(element));
5202
5203   /* special case: sub-settings dependent from main setting */
5204   if (CAN_EXPLODE_BY_FIRE(element))
5205     custom_element.can_explode_by_fire = TRUE;
5206   if (CAN_EXPLODE_SMASHED(element))
5207     custom_element.can_explode_smashed = TRUE;
5208   if (CAN_EXPLODE_IMPACT(element))
5209     custom_element.can_explode_impact  = TRUE;
5210
5211   /* ---------- element settings: advanced (custom elements) --------------- */
5212
5213   /* set "change by direct action" selectbox help value */
5214   custom_element_change.direct_action =
5215     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
5216      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
5217      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
5218      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
5219      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
5220      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
5221      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
5222      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
5223      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
5224      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
5225      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
5226      custom_element_change.direct_action);
5227
5228   /* set "change by other element action" selectbox help value */
5229   custom_element_change.other_action =
5230     (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
5231      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
5232      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
5233      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_ENTERED) ? CE_OTHER_GETS_ENTERED :
5234      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_LEFT) ? CE_OTHER_GETS_LEFT :
5235      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DIGGED) ? CE_OTHER_GETS_DIGGED :
5236      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
5237      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DROPPED) ? CE_OTHER_GETS_DROPPED :
5238      HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
5239      HAS_CHANGE_EVENT(element, CE_OTHER_IS_HITTING) ? CE_OTHER_IS_HITTING :
5240      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_HIT) ? CE_OTHER_GETS_HIT :
5241      HAS_CHANGE_EVENT(element, CE_OTHER_IS_SWITCHING) ? CE_OTHER_IS_SWITCHING :
5242      HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
5243      HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
5244      custom_element_change.other_action);
5245 }
5246
5247 static void CopyGroupElementPropertiesToEditor(int element)
5248 {
5249   group_element_info = *element_info[element].group;
5250   custom_element = element_info[element];       /* needed for description */
5251 }
5252
5253 static void CopyElementPropertiesToEditor(int element)
5254 {
5255   if (IS_CUSTOM_ELEMENT(element))
5256     CopyCustomElementPropertiesToEditor(element);
5257   else if (IS_GROUP_ELEMENT(element))
5258     CopyGroupElementPropertiesToEditor(element);
5259 }
5260
5261 static void CopyCustomElementPropertiesToGame(int element)
5262 {
5263   int i;
5264   int access_type_and_layer;
5265
5266   /* mark that this custom element has been modified */
5267   custom_element.modified_settings = TRUE;
5268
5269   if (level.use_custom_template)
5270   {
5271     if (Request("Copy and modify level template ?", REQ_ASK))
5272     {
5273       level.use_custom_template = FALSE;
5274       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
5275                    GDI_CHECKED, FALSE, GDI_END);
5276     }
5277     else
5278     {
5279       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
5280
5281       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
5282     }
5283   }
5284
5285   element_info[element] = custom_element;
5286   *element_info[element].change = custom_element_change;
5287
5288   /* ---------- element settings: configure (custom elements) ------------- */
5289
5290   /* set accessible property from checkbox and selectbox */
5291   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
5292   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
5293   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
5294   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
5295   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
5296   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
5297   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
5298                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
5299                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
5300   custom_element_properties[access_type_and_layer] =
5301     custom_element_properties[EP_ACCESSIBLE];
5302
5303   /* set walk-to-object property from checkbox and selectbox */
5304   custom_element_properties[EP_DIGGABLE] = FALSE;
5305   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
5306   custom_element_properties[EP_DROPPABLE] = FALSE;
5307   custom_element_properties[EP_PUSHABLE] = FALSE;
5308   custom_element_properties[custom_element.walk_to_action] =
5309     custom_element_properties[EP_WALK_TO_OBJECT];
5310
5311   /* set smash property from checkbox and selectbox */
5312   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
5313   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
5314   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
5315   custom_element_properties[custom_element.smash_targets] =
5316     custom_element_properties[EP_CAN_SMASH];
5317
5318   /* set deadliness property from checkbox and selectbox */
5319   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
5320   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
5321   custom_element_properties[EP_DONT_TOUCH] = FALSE;
5322   custom_element_properties[custom_element.deadliness] =
5323     custom_element_properties[EP_DEADLY];
5324
5325   /* set consistency property from checkbox and selectbox */
5326   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
5327   custom_element_properties[EP_CAN_EXPLODE_1X1] = FALSE;
5328   custom_element_properties[EP_CAN_EXPLODE_3X3] = FALSE;
5329   custom_element_properties[EP_CAN_EXPLODE_DYNA] = FALSE;
5330   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
5331   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
5332   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
5333   custom_element_properties[custom_element.consistency] =
5334     custom_element_properties[EP_EXPLODE_RESULT];
5335
5336   /* special case: sub-settings dependent from main setting */
5337   if (custom_element_properties[EP_CAN_EXPLODE_1X1] ||
5338       custom_element_properties[EP_CAN_EXPLODE_3X3] ||
5339       custom_element_properties[EP_CAN_EXPLODE_DYNA])
5340   {
5341     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
5342       custom_element.can_explode_by_fire;
5343     custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
5344       custom_element.can_explode_smashed;
5345     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
5346       custom_element.can_explode_impact;
5347   }
5348
5349   /* ---------- element settings: advanced (custom elements) --------------- */
5350
5351   /* set player change event from checkbox and selectbox */
5352   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
5353   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
5354   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
5355   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
5356   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
5357   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
5358   custom_element_change_events[CE_SWITCHED] = FALSE;
5359   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
5360   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
5361   custom_element_change_events[CE_IMPACT] = FALSE;
5362   custom_element_change_events[CE_SMASHED] = FALSE;
5363   custom_element_change_events[custom_element_change.direct_action] =
5364     custom_element_change_events[CE_BY_DIRECT_ACTION];
5365
5366   /* set other element action change event from checkbox and selectbox */
5367   custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
5368   custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
5369   custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
5370   custom_element_change_events[CE_OTHER_GETS_ENTERED] = FALSE;
5371   custom_element_change_events[CE_OTHER_GETS_LEFT] = FALSE;
5372   custom_element_change_events[CE_OTHER_GETS_DIGGED] = FALSE;
5373   custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
5374   custom_element_change_events[CE_OTHER_GETS_DROPPED] = FALSE;
5375   custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
5376   custom_element_change_events[CE_OTHER_IS_HITTING] = FALSE;
5377   custom_element_change_events[CE_OTHER_GETS_HIT] = FALSE;
5378   custom_element_change_events[CE_OTHER_IS_SWITCHING] = FALSE;
5379   custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
5380   custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
5381   custom_element_change_events[custom_element_change.other_action] =
5382     custom_element_change_events[CE_BY_OTHER_ACTION];
5383
5384   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
5385     SET_PROPERTY(element, i, custom_element_properties[i]);
5386
5387   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
5388     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
5389
5390   /* copy change events also to special level editor variable */
5391   custom_element = element_info[element];
5392   custom_element_change = *element_info[element].change;
5393 }
5394
5395 static void CopyGroupElementPropertiesToGame(int element)
5396 {
5397   element_info[element] = custom_element;
5398   *element_info[element].group = group_element_info;
5399
5400   /* mark that this group element has been modified */
5401   element_info[element].modified_settings = TRUE;
5402 }
5403
5404 static void CopyElementPropertiesToGame(int element)
5405 {
5406   if (IS_CUSTOM_ELEMENT(element))
5407     CopyCustomElementPropertiesToGame(element);
5408   else if (IS_GROUP_ELEMENT(element))
5409     CopyGroupElementPropertiesToGame(element);
5410 }
5411
5412 void DrawLevelEd()
5413 {
5414   CloseDoor(DOOR_CLOSE_ALL);
5415   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
5416
5417   if (level_editor_test_game)
5418   {
5419     CopyPlayfield(level.field, Feld);
5420     CopyPlayfield(FieldBackup, level.field);
5421
5422     level_editor_test_game = FALSE;
5423   }
5424   else
5425   {
5426     edit_mode = ED_MODE_DRAWING;
5427     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
5428
5429     ResetUndoBuffer();
5430
5431     level_xpos = -1;
5432     level_ypos = -1;
5433   }
5434
5435   /* copy default editor door content to main double buffer */
5436   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
5437              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
5438
5439 #if 0
5440   /* draw mouse button brush elements */
5441   RedrawDrawingElements();
5442 #endif
5443
5444   /* draw bigger door */
5445   DrawSpecialEditorDoor();
5446
5447   /* draw new control window */
5448   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
5449              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
5450
5451   redraw_mask |= REDRAW_ALL;
5452
5453   ReinitializeElementListButtons();     /* only needed after setup changes */
5454 #if 0
5455   ModifyEditorElementList();            /* may be needed for custom elements */
5456 #endif
5457
5458   UnmapTapeButtons();
5459   MapControlButtons();
5460
5461   DrawEditModeWindow();
5462
5463   /* copy actual editor door content to door double buffer for OpenDoor() */
5464   BlitBitmap(drawto, bitmap_db_door,
5465              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
5466
5467   OpenDoor(DOOR_OPEN_1);
5468 }
5469
5470 static void AdjustDrawingAreaGadgets()
5471 {
5472   int ed_xsize = lev_fieldx + 2;
5473   int ed_ysize = lev_fieldy + 2;
5474   int max_ed_fieldx = MAX_ED_FIELDX;
5475   int max_ed_fieldy = MAX_ED_FIELDY;
5476   boolean horizontal_scrollbar_needed;
5477   boolean vertical_scrollbar_needed;
5478   int x, y, width, height;
5479   int xoffset, yoffset;
5480
5481   /* check if we need any scrollbars */
5482   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
5483   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
5484
5485   /* check if we have a smaller editor field because of scrollbars */
5486   if (horizontal_scrollbar_needed)
5487     max_ed_fieldy = MAX_ED_FIELDY - 1;
5488   if (vertical_scrollbar_needed)
5489     max_ed_fieldx = MAX_ED_FIELDX - 1;
5490
5491   /* check again if we now need more scrollbars because of less space */
5492   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
5493   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
5494
5495   /* check if editor field gets even smaller after adding new scrollbars */
5496   if (horizontal_scrollbar_needed)
5497     max_ed_fieldy = MAX_ED_FIELDY - 1;
5498   if (vertical_scrollbar_needed)
5499     max_ed_fieldx = MAX_ED_FIELDX - 1;
5500
5501   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
5502   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
5503
5504   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
5505                GDI_WIDTH, ed_fieldx * MINI_TILEX,
5506                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
5507                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
5508                GDI_END);
5509
5510   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
5511   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
5512
5513   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
5514   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
5515
5516   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
5517   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
5518
5519   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
5520   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
5521
5522   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5523                GDI_WIDTH, width,
5524                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
5525                GDI_END);
5526   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5527                GDI_HEIGHT, height,
5528                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
5529                GDI_END);
5530 }
5531
5532 static void AdjustLevelScrollPosition()
5533 {
5534   if (level_xpos < -1)
5535     level_xpos = -1;
5536   if (level_xpos > lev_fieldx - ed_fieldx + 1)
5537     level_xpos = lev_fieldx - ed_fieldx + 1;
5538   if (lev_fieldx < ed_fieldx - 2)
5539     level_xpos = -1;
5540
5541   if (level_ypos < -1)
5542     level_ypos = -1;
5543   if (level_ypos > lev_fieldy - ed_fieldy + 1)
5544     level_ypos = lev_fieldy - ed_fieldy + 1;
5545   if (lev_fieldy < ed_fieldy - 2)
5546     level_ypos = -1;
5547 }
5548
5549 static void AdjustEditorScrollbar(int id)
5550 {
5551   struct GadgetInfo *gi = level_editor_gadget[id];
5552   int items_max, items_visible, item_position;
5553
5554   if (id == GADGET_ID_SCROLL_HORIZONTAL)
5555   {
5556     items_max = MAX(lev_fieldx + 2, ed_fieldx);
5557     items_visible = ed_fieldx;
5558     item_position = level_xpos + 1;
5559   }
5560   else
5561   {
5562     items_max = MAX(lev_fieldy + 2, ed_fieldy);
5563     items_visible = ed_fieldy;
5564     item_position = level_ypos + 1;
5565   }
5566
5567   if (item_position > items_max - items_visible)
5568     item_position = items_max - items_visible;
5569
5570   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
5571                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
5572 }
5573
5574 static void ModifyEditorCounter(int counter_id, int new_value)
5575 {
5576   int *counter_value = counterbutton_info[counter_id].value;
5577   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
5578   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5579
5580   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
5581
5582   if (counter_value != NULL)
5583     *counter_value = gi->textinput.number_value;
5584 }
5585
5586 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
5587 {
5588   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
5589   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5590
5591   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
5592 }
5593
5594 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
5595 {
5596   int gadget_id = selectbox_info[selectbox_id].gadget_id;
5597   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5598   int new_index_value = setSelectboxValue(selectbox_id, new_value);
5599
5600   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
5601 }
5602
5603 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
5604 {
5605   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
5606   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5607
5608   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
5609 }
5610
5611 static void ModifyEditorElementList()
5612 {
5613   int i;
5614
5615   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5616   {
5617     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
5618     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5619     struct GadgetDesign *gd = &gi->deco.design;
5620     int element = editor_elements[element_shift + i];
5621
5622     UnmapGadget(gi);
5623     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
5624     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
5625     MapGadget(gi);
5626   }
5627 }
5628
5629 static void PickDrawingElement(int button, int element)
5630 {
5631   if (button < 1 || button > 3)
5632     return;
5633
5634   if (button == 1)
5635   {
5636     new_element1 = element;
5637     DrawMiniGraphicExt(drawto,
5638                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
5639                        el2edimg(new_element1));
5640   }
5641   else if (button == 2)
5642   {
5643     new_element2 = element;
5644     DrawMiniGraphicExt(drawto,
5645                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
5646                        el2edimg(new_element2));
5647   }
5648   else
5649   {
5650     new_element3 = element;
5651     DrawMiniGraphicExt(drawto,
5652                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
5653                        el2edimg(new_element3));
5654   }
5655
5656   redraw_mask |= REDRAW_DOOR_1;
5657 }
5658
5659 static void RedrawDrawingElements()
5660 {
5661   PickDrawingElement(1, new_element1);
5662   PickDrawingElement(2, new_element2);
5663   PickDrawingElement(3, new_element3);
5664 }
5665
5666 static void DrawDrawingWindow()
5667 {
5668   stick_element_properties_window = FALSE;
5669
5670   SetMainBackgroundImage(IMG_UNDEFINED);
5671   ClearWindow();
5672
5673   UnmapLevelEditorWindowGadgets();
5674   UnmapLevelEditorToolboxCustomGadgets();
5675
5676   AdjustDrawingAreaGadgets();
5677   AdjustLevelScrollPosition();
5678   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
5679   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
5680
5681   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5682
5683   MapMainDrawingArea();
5684   MapLevelEditorToolboxDrawingGadgets();
5685 }
5686
5687 static void DrawLevelInfoWindow()
5688 {
5689   int i;
5690
5691   stick_element_properties_window = FALSE;
5692
5693   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
5694   ClearWindow();
5695   UnmapLevelEditorWindowGadgets();
5696
5697   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
5698            "Level Settings", FONT_TITLE_1);
5699   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
5700            "Editor Settings", FONT_TITLE_1);
5701
5702   /* draw counter gadgets */
5703   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
5704     MapCounterButtons(i);
5705
5706   /* draw checkbutton gadgets */
5707   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i <= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
5708     MapCheckbuttonGadget(i);
5709
5710   /* draw radiobutton gadgets */
5711   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i <= ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
5712     MapRadiobuttonGadget(i);
5713
5714   /* draw text input gadgets */
5715   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
5716     MapTextInputGadget(i);
5717
5718   /* draw drawing area */
5719   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
5720 }
5721
5722 static void DrawCustomContentArea()
5723 {
5724   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
5725   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5726   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
5727   int x2 = right_gadget_border[GADGET_ID_CUSTOM_CONSISTENCY];
5728   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
5729   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
5730
5731   /* add distance for potential left text (without drawing area border) */
5732   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
5733
5734   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
5735
5736   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
5737 }
5738
5739 static void DrawCustomChangeContentArea()
5740 {
5741   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
5742   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5743   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
5744   int x2 = right_gadget_border[GADGET_ID_CHANGE_POWER];
5745   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
5746   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
5747
5748   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
5749
5750   MapDrawingArea(id);
5751 }
5752
5753 static void DrawElementContentAreas()
5754 {
5755   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
5756   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
5757   int i;
5758
5759   /* display counter to choose number of element content areas */
5760   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
5761
5762   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
5763   {
5764     int id = ED_DRAWING_ID_ELEMENT_CONTENT_0 + i;
5765     int font_height = getFontHeight(FONT_TEXT_1);
5766
5767     if (i < level.num_yamyam_contents)
5768       MapDrawingArea(id);
5769     else
5770     {
5771       UnmapDrawingArea(id);
5772
5773       /* delete content areas in case of reducing number of them */
5774       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
5775                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
5776                      4 * MINI_TILEX,
5777                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
5778     }
5779   }
5780
5781   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
5782   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
5783   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
5784 }
5785
5786 static void DrawGroupElementArea(int element)
5787 {
5788   int num_elements = group_element_info.num_elements;
5789   int id = ED_DRAWING_ID_GROUP_CONTENT;
5790   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
5791   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
5792   int xsize = MAX_ELEMENTS_IN_GROUP;
5793   int ysize = 1;
5794
5795   if (drawingarea_info[id].text_left != NULL)
5796     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
5797
5798   UnmapDrawingArea(id);
5799
5800   ModifyEditorDrawingArea(id, num_elements, 1);
5801
5802   /* delete content areas in case of reducing number of them */
5803   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
5804
5805   MapDrawingArea(id);
5806 }
5807
5808 static void DrawEnvelopeTextArea(int envelope_nr)
5809 {
5810   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
5811   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
5812
5813   UnmapGadget(gi);
5814   DrawBackground(gi->x, gi->y, gi->width, gi->height);
5815
5816   if (envelope_nr != -1)
5817     textarea_info[id].value = level.envelope_text[envelope_nr];
5818
5819   ModifyGadget(gi, GDI_AREA_SIZE,
5820                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
5821                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
5822                GDI_END);
5823
5824   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
5825 }
5826
5827 char *getElementDescriptionFilename(int element)
5828 {
5829   char *docs_dir = options.docs_directory;
5830   char *elements_subdir = "elements";
5831   static char *filename = NULL;
5832   char basename[MAX_FILENAME_LEN];
5833
5834   checked_free(filename);
5835
5836   /* 1st try: look for element description file for exactly this element */
5837   sprintf(basename, "%s.txt", element_info[element].token_name);
5838   filename = getPath3(docs_dir, elements_subdir, basename);
5839   if (fileExists(filename))
5840     return filename;
5841
5842   free(filename);
5843
5844   /* 2nd try: look for element description file for this element's class */
5845   sprintf(basename, "%s.txt", element_info[element].class_name);
5846   filename = getPath3(docs_dir, elements_subdir, basename);
5847   if (fileExists(filename))
5848     return filename;
5849
5850   return NULL;
5851 }
5852
5853 static boolean PrintInfoText(char *text, int font_nr, int start_line)
5854 {
5855   int font_height = getFontHeight(font_nr);
5856   int pad_x = ED_SETTINGS_XPOS(0);
5857   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
5858   int sx = SX + pad_x;
5859   int sy = SY + pad_y;
5860   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
5861
5862   if (start_line >= max_lines_per_screen)
5863     return FALSE;
5864
5865   DrawText(sx, sy + start_line * font_height, text, font_nr);
5866
5867   return TRUE;
5868 }
5869
5870 #if 1
5871
5872 static int PrintElementDescriptionFromFile(char *filename, int start_line)
5873 {
5874   int font_nr = FONT_TEXT_2;
5875   int font_width = getFontWidth(font_nr);
5876   int font_height = getFontHeight(font_nr);
5877   int pad_x = ED_SETTINGS_XPOS(0);
5878   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
5879   int sx = SX + pad_x;
5880   int sy = SY + pad_y + start_line * font_height;
5881   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
5882   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
5883
5884   return DrawTextFromFile(sx, sy, filename, font_nr, max_chars_per_line,
5885                           max_lines_per_screen);
5886 }
5887
5888 #else
5889
5890 static int PrintElementDescriptionFromFile(char *filename, int start_line)
5891 {
5892   int font_nr = FONT_TEXT_2;
5893   int font_width = getFontWidth(font_nr);
5894   int font_height = getFontHeight(font_nr);
5895   int pad_x = ED_SETTINGS_XPOS(0);
5896   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
5897   int sx = SX + pad_x;
5898   int sy = SY + pad_y;
5899   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
5900   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
5901   int current_line = start_line;
5902   char line[MAX_LINE_LEN];
5903   char buffer[max_chars_per_line + 1];
5904   int buffer_len;
5905   FILE *file;
5906
5907   if (current_line >= max_lines_per_screen)
5908     return 0;
5909
5910   if (filename == NULL)
5911     return 0;
5912
5913   if (!(file = fopen(filename, MODE_READ)))
5914     return 0;
5915
5916   buffer[0] = '\0';
5917   buffer_len = 0;
5918
5919   while (!feof(file) && current_line < max_lines_per_screen)
5920   {
5921     char *line_ptr;
5922     boolean last_line_was_empty = TRUE;
5923
5924     /* read next line of input file */
5925     if (!fgets(line, MAX_LINE_LEN, file))
5926       break;
5927
5928     /* skip comments (lines directly beginning with '#') */
5929     if (line[0] == '#')
5930       continue;
5931
5932     /* cut trailing newline from input line */
5933     for (line_ptr = line; *line_ptr; line_ptr++)
5934     {
5935       if (*line_ptr == '\n' || *line_ptr == '\r')
5936       {
5937         *line_ptr = '\0';
5938         break;
5939       }
5940     }
5941
5942     if (strlen(line) == 0)              /* special case: force empty line */
5943       strcpy(line, "\n");
5944
5945     line_ptr = line;
5946
5947     while (*line_ptr && current_line < max_lines_per_screen)
5948     {
5949       boolean buffer_filled = RenderLineToBuffer(&line_ptr,
5950                                                  buffer, &buffer_len,
5951                                                  last_line_was_empty,
5952                                                  max_chars_per_line);
5953       if (buffer_filled)
5954       {
5955         DrawText(sx, sy + current_line * font_height, buffer, font_nr);
5956         current_line++;
5957
5958         last_line_was_empty = (buffer_len == 0);
5959
5960         buffer[0] = '\0';
5961         buffer_len = 0;
5962       }
5963     }
5964   }
5965
5966   fclose(file);
5967
5968   if (buffer_len > 0 && current_line < max_lines_per_screen)
5969   {
5970     DrawText(sx, sy + current_line * font_height, buffer, font_nr);
5971     current_line++;
5972   }
5973
5974   return (current_line - start_line);
5975 }
5976
5977 #endif
5978
5979 static void DrawPropertiesTabulatorGadgets()
5980 {
5981   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
5982   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
5983   int gd_x = gd->x + gd_gi->border.width / 2;
5984   int gd_y = gd->y + gd_gi->height - 1;
5985   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
5986   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
5987   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
5988   int i;
5989
5990   /* draw additional "advanced" tabulator for custom elements */
5991   if (IS_CUSTOM_ELEMENT(properties_element) ||
5992       IS_GROUP_ELEMENT(properties_element))
5993     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
5994
5995   for (i = id_first; i <= id_last; i++)
5996   {
5997     int gadget_id = textbutton_info[i].gadget_id;
5998     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5999     boolean active = (i != edit_mode_properties);
6000
6001     /* draw background line below tabulator button */
6002     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
6003
6004     /* draw solid line below inactive tabulator buttons */
6005     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
6006       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
6007
6008     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
6009     MapTextbuttonGadget(i);
6010   }
6011
6012   /* draw little border line below tabulator buttons */
6013   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
6014     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
6015                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
6016                   ED_GADGET_DISTANCE, tab_color);
6017 }
6018
6019 static void DrawPropertiesInfo()
6020 {
6021   static struct
6022   {
6023     int value;
6024     char *text;
6025   }
6026   properties[] =
6027   {
6028     /* configurable properties */
6029
6030     { EP_WALKABLE_OVER,         "- player can walk over it"             },
6031     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
6032     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
6033     { EP_PASSABLE_OVER,         "- player can pass over it"             },
6034     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
6035     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
6036
6037     { EP_DIGGABLE,              "- can be digged away"                  },
6038     { EP_COLLECTIBLE,           "- can be collected"                    },
6039     { EP_DROPPABLE,             "- can be dropped after collecting"     },
6040     { EP_PUSHABLE,              "- can be pushed"                       },
6041
6042     { EP_CAN_MOVE,              "- can move"                            },
6043     { EP_CAN_FALL,              "- can fall"                            },
6044
6045     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
6046 #if 0
6047     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
6048 #endif
6049     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
6050
6051     { EP_SLIPPERY,              "- slippery for falling objects"        },
6052     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
6053
6054     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
6055     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
6056     { EP_DONT_TOUCH,            "- deadly when touching"                },
6057
6058     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
6059
6060     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
6061     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
6062     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
6063
6064     { EP_CAN_CHANGE,            "- can change to other element"         },
6065
6066     /* pre-defined properties */
6067     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
6068     { EP_HAS_CONTENT,           "- can contain other elements"          },
6069
6070     { -1,                       NULL                                    }
6071   };
6072   char *filename = getElementDescriptionFilename(properties_element);
6073   char *percentage_text = "In this level:";
6074   char *properties_text = "Standard properties:";
6075   float percentage;
6076   int num_elements_in_level;
6077   int num_standard_properties = 0;
6078   int font1_nr = FONT_TEXT_1;
6079   int font2_nr = FONT_TEXT_2;
6080   int font1_width = getFontWidth(font1_nr);
6081   int font2_height = getFontHeight(font2_nr);
6082   int pad_x = ED_SETTINGS_XPOS(0);
6083   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
6084   int screen_line = 0;
6085   int i, x, y;
6086
6087 #if DEBUG
6088   if (IS_CUSTOM_ELEMENT(properties_element))
6089   {
6090     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
6091               "[Custom Element %d]", properties_element - EL_CUSTOM_START + 1);
6092     screen_line++;
6093   }
6094   else if (IS_GROUP_ELEMENT(properties_element))
6095   {
6096     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
6097               "[Group Element %d]", properties_element - EL_GROUP_START + 1);
6098     screen_line++;
6099   }
6100 #endif
6101
6102   /* ----- print number of elements / percentage of this element in level */
6103
6104   num_elements_in_level = 0;
6105   for (y = 0; y < lev_fieldy; y++)
6106     for (x = 0; x < lev_fieldx; x++)
6107       if (Feld[x][y] == properties_element)
6108         num_elements_in_level++;
6109   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
6110
6111   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
6112             percentage_text);
6113   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
6114             pad_y + screen_line++ * font2_height, font2_nr,
6115             "%d (%.2f%%)", num_elements_in_level, percentage);
6116
6117   screen_line++;
6118
6119   /* ----- print standard properties of this element */
6120
6121   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
6122             properties_text);
6123
6124   for (i = 0; properties[i].value != -1; i++)
6125   {
6126     if (!HAS_PROPERTY(properties_element, properties[i].value))
6127       continue;
6128
6129     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
6130               properties[i].text);
6131     num_standard_properties++;
6132   }
6133
6134   if (num_standard_properties == 0)
6135     DrawTextS(pad_x + strlen(properties_text) * font1_width,
6136               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
6137
6138   screen_line++;
6139
6140   /* ----- print special description of this element */
6141
6142   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
6143   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
6144     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
6145 }
6146
6147 #define TEXT_COLLECTING         "Score for collecting"
6148 #define TEXT_SMASHING           "Score for smashing"
6149 #define TEXT_CRACKING           "Score for cracking"
6150 #define TEXT_SPEED              "Speed of amoeba growth"
6151 #define TEXT_DURATION           "Duration when activated"
6152
6153 static struct
6154 {
6155   int element;
6156   int *value;
6157   char *text;
6158 } elements_with_counter[] =
6159 {
6160   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
6161   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
6162   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
6163   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
6164   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
6165   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
6166   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
6167   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
6168   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
6169   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
6170   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
6171   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
6172   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
6173   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
6174   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
6175   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
6176   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
6177   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
6178   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6179   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6180   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6181   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6182   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6183   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6184   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6185   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6186   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6187   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
6188   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
6189   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
6190   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
6191   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
6192   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
6193   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
6194   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
6195   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
6196   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
6197   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
6198   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
6199   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
6200   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
6201   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
6202   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
6203   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
6204   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
6205   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
6206 #if 1
6207   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
6208   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
6209   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
6210   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
6211 #else
6212   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6213   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6214   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6215   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6216 #endif
6217   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
6218   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
6219   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
6220   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
6221   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
6222   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
6223   { -1,                 NULL,                           NULL            }
6224 };
6225
6226 static boolean checkPropertiesConfig()
6227 {
6228   int i;
6229
6230   if (IS_GEM(properties_element) ||
6231       IS_CUSTOM_ELEMENT(properties_element) ||
6232       IS_GROUP_ELEMENT(properties_element) ||
6233       IS_ENVELOPE(properties_element) ||
6234       HAS_CONTENT(properties_element))
6235     return TRUE;
6236   else
6237     for (i = 0; elements_with_counter[i].element != -1; i++)
6238       if (elements_with_counter[i].element == properties_element)
6239         return TRUE;
6240
6241   return FALSE;
6242 }
6243
6244 static void DrawPropertiesConfig()
6245 {
6246   int i;
6247
6248   if (!checkPropertiesConfig())
6249   {
6250     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
6251
6252     return;
6253   }
6254
6255   /* check if there are elements where a score can be chosen for */
6256   for (i = 0; elements_with_counter[i].element != -1; i++)
6257   {
6258     if (elements_with_counter[i].element == properties_element)
6259     {
6260       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
6261
6262       counterbutton_info[counter_id].value = elements_with_counter[i].value;
6263       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
6264       MapCounterButtons(counter_id);
6265
6266       break;
6267     }
6268   }
6269
6270   if (HAS_CONTENT(properties_element))
6271   {
6272     /* draw stickybutton gadget */
6273     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
6274     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
6275     MapCheckbuttonGadget(i);
6276
6277     if (IS_AMOEBOID(properties_element))
6278       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
6279     else
6280       DrawElementContentAreas();
6281   }
6282
6283   if (IS_GEM(properties_element))
6284     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
6285
6286   if (IS_ENVELOPE(properties_element))
6287   {
6288     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
6289     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
6290     int envelope_nr = properties_element - EL_ENVELOPE_1;
6291
6292     counterbutton_info[counter1_id].value = &level.envelope_xsize[envelope_nr];
6293     counterbutton_info[counter2_id].value = &level.envelope_ysize[envelope_nr];
6294
6295     /* display counter to choose size of envelope text area */
6296     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_XSIZE);
6297     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_YSIZE);
6298
6299     DrawEnvelopeTextArea(envelope_nr);
6300   }
6301
6302   if (IS_CUSTOM_ELEMENT(properties_element))
6303   {
6304     /* draw stickybutton gadget */
6305     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
6306     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
6307     MapCheckbuttonGadget(i);
6308
6309     /* draw checkbutton gadgets */
6310     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
6311          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
6312       MapCheckbuttonGadget(i);
6313
6314     /* draw counter gadgets */
6315     for (i = ED_COUNTER_ID_CUSTOM_FIRST; i <= ED_COUNTER_ID_CUSTOM_LAST; i++)
6316       MapCounterButtons(i);
6317
6318     /* draw selectbox gadgets */
6319     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
6320       MapSelectboxGadget(i);
6321
6322     /* draw drawing area gadgets */
6323     DrawCustomContentArea();
6324     MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
6325     MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
6326
6327     /* draw text input gadgets */
6328     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
6329   }
6330   else if (IS_GROUP_ELEMENT(properties_element))
6331   {
6332     /* draw stickybutton gadget */
6333     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
6334     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
6335     MapCheckbuttonGadget(i);
6336
6337     /* draw counter gadgets */
6338     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
6339
6340     /* draw drawing area gadgets */
6341     DrawGroupElementArea(properties_element);
6342
6343     /* draw text input gadgets */
6344     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
6345   }
6346 }
6347
6348 static void DrawPropertiesAdvancedDrawingAreas()
6349 {
6350   MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
6351
6352   if (IS_CUSTOM_ELEMENT(properties_element))
6353   {
6354     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
6355     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
6356
6357     DrawCustomChangeContentArea();
6358   }
6359
6360   redraw_mask |= REDRAW_FIELD;
6361 }
6362
6363 static void DrawPropertiesAdvanced()
6364 {
6365   int i;
6366
6367   /* draw stickybutton gadget */
6368   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
6369   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
6370   MapCheckbuttonGadget(i);
6371
6372   if (IS_CUSTOM_ELEMENT(properties_element))
6373   {
6374     /* draw checkbutton gadgets */
6375     for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
6376          i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
6377     MapCheckbuttonGadget(i);
6378
6379     /* draw counter gadgets */
6380     for (i =  ED_COUNTER_ID_CHANGE_FIRST;
6381          i <= ED_COUNTER_ID_CHANGE_LAST; i++)
6382       MapCounterButtons(i);
6383
6384     /* draw selectbox gadgets */
6385     for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
6386          i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
6387       MapSelectboxGadget(i);
6388
6389     /* draw textbutton gadgets */
6390     for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
6391          i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
6392       MapTextbuttonGadget(i);
6393
6394     /* draw graphicbutton gadgets */
6395     for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
6396          i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
6397       MapGraphicbuttonGadget(i);
6398   }
6399   else if (IS_GROUP_ELEMENT(properties_element))
6400   {
6401     /* draw checkbutton gadgets */
6402     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
6403     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
6404
6405     /* draw textbutton gadgets */
6406     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
6407   }
6408
6409   /* draw drawing area gadgets */
6410   DrawPropertiesAdvancedDrawingAreas();
6411 }
6412
6413 static void DrawElementName(int x, int y, int element)
6414 {
6415   char *element_name = getElementInfoText(element);
6416   int font_nr = FONT_TEXT_1;
6417   int font_width = getFontWidth(font_nr);
6418   int font_height = getFontHeight(font_nr);
6419   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
6420   int max_chars_per_line = max_text_width / font_width;
6421   char buffer[max_chars_per_line + 1];
6422
6423   if (strlen(element_name) <= max_chars_per_line)
6424     DrawTextS(x, y, font_nr, element_name);
6425   else
6426   {
6427     int next_pos = max_chars_per_line;
6428
6429     strncpy(buffer, element_name, max_chars_per_line);
6430     buffer[max_chars_per_line] = '\0';
6431
6432     if (element_name[max_chars_per_line] == ' ')
6433       next_pos++;
6434     else
6435     {
6436       int i;
6437
6438       for (i = max_chars_per_line - 1; i >= 0; i--)
6439         if (buffer[i] == ' ')
6440           break;
6441
6442       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
6443       {
6444         buffer[i] = '\0';
6445         next_pos = i + 1;
6446       }
6447     }
6448
6449     DrawTextS(x, y - font_height / 2, font_nr, buffer);
6450
6451     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
6452     buffer[max_chars_per_line] = '\0';
6453
6454     DrawTextS(x, y + font_height / 2, font_nr, buffer);
6455   }
6456 }
6457
6458 static void DrawPropertiesWindow()
6459 {
6460   int xstart = 2;
6461   int ystart = 4;
6462
6463   stick_element_properties_window = FALSE;
6464
6465   /* make sure that previous properties edit mode exists for this element */
6466   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
6467       !IS_CUSTOM_ELEMENT(properties_element) &&
6468       !IS_GROUP_ELEMENT(properties_element))
6469     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
6470
6471   CopyElementPropertiesToEditor(properties_element);
6472
6473   UnmapLevelEditorWindowGadgets();
6474   UnmapLevelEditorToolboxDrawingGadgets();
6475   UnmapLevelEditorToolboxCustomGadgets();
6476
6477   if (IS_CUSTOM_ELEMENT(properties_element) ||
6478       IS_GROUP_ELEMENT(properties_element))
6479     MapLevelEditorToolboxCustomGadgets();
6480
6481   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
6482   ClearWindow();
6483
6484   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
6485            "Element Settings", FONT_TITLE_1);
6486
6487   DrawElementBorder(SX + xstart * MINI_TILEX,
6488                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
6489                     TILEX, TILEY, FALSE);
6490   DrawGraphicAnimationExt(drawto,
6491                           SX + xstart * MINI_TILEX,
6492                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
6493                           el2img(properties_element), -1, NO_MASKING);
6494
6495   FrameCounter = 0;     /* restart animation frame counter */
6496
6497   DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
6498                   properties_element);
6499
6500   DrawPropertiesTabulatorGadgets();
6501
6502   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
6503     DrawPropertiesInfo();
6504   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
6505     DrawPropertiesConfig();
6506   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
6507     DrawPropertiesAdvanced();
6508 }
6509
6510 static void UpdateCustomElementGraphicGadgets()
6511 {
6512   ModifyEditorElementList();
6513   RedrawDrawingElements();
6514
6515   if (edit_mode == ED_MODE_PROPERTIES &&
6516       edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED)
6517     DrawPropertiesAdvancedDrawingAreas();
6518 }
6519
6520 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
6521 {
6522   int lx = sx + level_xpos;
6523   int ly = sy + level_ypos;
6524
6525   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
6526
6527   if (change_level)
6528     Feld[lx][ly] = element;
6529 }
6530
6531 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
6532                      int element, boolean change_level)
6533 {
6534   if (from_y == to_y)                   /* horizontal line */
6535   {
6536     int x;
6537     int y = from_y;
6538
6539     if (from_x > to_x)
6540       swap_numbers(&from_x, &to_x);
6541
6542     for (x = from_x; x <= to_x; x++)
6543       DrawLineElement(x, y, element, change_level);
6544   }
6545   else if (from_x == to_x)              /* vertical line */
6546   {
6547     int x = from_x;
6548     int y;
6549
6550     if (from_y > to_y)
6551       swap_numbers(&from_y, &to_y);
6552
6553     for (y = from_y; y <= to_y; y++)
6554       DrawLineElement(x, y, element, change_level);
6555   }
6556   else                                  /* diagonal line */
6557   {
6558     int len_x = ABS(to_x - from_x);
6559     int len_y = ABS(to_y - from_y);
6560     int x, y;
6561
6562     if (len_y < len_x)                  /* a < 1 */
6563     {
6564       float a = (float)len_y / (float)len_x;
6565
6566       if (from_x > to_x)
6567         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
6568
6569       for (x = 0; x <= len_x; x++)
6570       {
6571         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
6572         DrawLineElement(from_x + x, from_y + y, element, change_level);
6573       }
6574     }
6575     else                                /* a >= 1 */
6576     {
6577       float a = (float)len_x / (float)len_y;
6578
6579       if (from_y > to_y)
6580         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
6581
6582       for (y = 0; y <= len_y; y++)
6583       {
6584         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
6585         DrawLineElement(from_x + x, from_y + y, element, change_level);
6586       }
6587     }
6588   }
6589 }
6590
6591 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
6592                     int element, boolean change_level)
6593 {
6594   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
6595   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
6596   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
6597   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
6598 }
6599
6600 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
6601                           int element, boolean change_level)
6602 {
6603   int y;
6604
6605   if (from_y > to_y)
6606     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
6607
6608   for (y = from_y; y <= to_y; y++)
6609     DrawLine(from_x, y, to_x, y, element, change_level);
6610 }
6611
6612 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
6613                        int element, boolean change_level)
6614 {
6615   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
6616   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
6617   int len_x = ABS(to_x - from_x);
6618   int len_y = ABS(to_y - from_y);
6619   int radius, x, y;
6620
6621   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
6622
6623   /* not optimal (some points get drawn twice) but simple,
6624      and fast enough for the few points we are drawing */
6625
6626   for (x = 0; x <= radius; x++)
6627   {
6628     int sx, sy, lx, ly;
6629
6630     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
6631
6632     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
6633     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
6634     lx = sx + level_xpos;
6635     ly = sy + level_ypos;
6636
6637     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6638       DrawLineElement(sx, sy, element, change_level);
6639   }
6640
6641   for (y = 0; y <= radius; y++)
6642   {
6643     int sx, sy, lx, ly;
6644
6645     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
6646
6647     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
6648     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
6649     lx = sx + level_xpos;
6650     ly = sy + level_ypos;
6651
6652     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6653       DrawLineElement(sx, sy, element, change_level);
6654   }
6655 }
6656
6657 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
6658                     int element, boolean change_level)
6659 {
6660   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
6661   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
6662
6663   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
6664 }
6665
6666 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
6667 #if DRAW_CIRCLES_BUTTON_AVAILABLE
6668 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
6669                        int element, boolean change_level)
6670 {
6671   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
6672   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
6673   int mirror_to_x2 = from_x - (to_x2 - from_x);
6674   int mirror_to_y2 = from_y - (to_y2 - from_y);
6675
6676   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
6677   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
6678   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
6679   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
6680 }
6681 #endif
6682
6683 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
6684 {
6685   int from_sx, from_sy;
6686   int to_sx, to_sy;
6687
6688   if (from_x > to_x)
6689     swap_numbers(&from_x, &to_x);
6690
6691   if (from_y > to_y)
6692     swap_numbers(&from_y, &to_y);
6693
6694   from_sx = SX + from_x * MINI_TILEX;
6695   from_sy = SY + from_y * MINI_TILEY;
6696   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
6697   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
6698
6699   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
6700   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
6701   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
6702   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
6703
6704   if (from_x == to_x && from_y == to_y)
6705     MarkTileDirty(from_x/2, from_y/2);
6706   else
6707     redraw_mask |= REDRAW_FIELD;
6708 }
6709
6710 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
6711                        int element, boolean change_level)
6712 {
6713   if (element == -1 || change_level)
6714     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
6715   else
6716     DrawAreaBorder(from_x, from_y, to_x, to_y);
6717 }
6718
6719 /* values for CopyBrushExt() */
6720 #define CB_AREA_TO_BRUSH        0
6721 #define CB_BRUSH_TO_CURSOR      1
6722 #define CB_BRUSH_TO_LEVEL       2
6723 #define CB_DELETE_OLD_CURSOR    3
6724
6725 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
6726                          int button, int mode)
6727 {
6728   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
6729   static int brush_width, brush_height;
6730   static int last_cursor_x = -1, last_cursor_y = -1;
6731   static boolean delete_old_brush;
6732   int new_element = BUTTON_ELEMENT(button);
6733   int x, y;
6734
6735   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
6736     return;
6737
6738   if (mode == CB_AREA_TO_BRUSH)
6739   {
6740     int from_lx, from_ly;
6741
6742     if (from_x > to_x)
6743       swap_numbers(&from_x, &to_x);
6744
6745     if (from_y > to_y)
6746       swap_numbers(&from_y, &to_y);
6747
6748     brush_width = to_x - from_x + 1;
6749     brush_height = to_y - from_y + 1;
6750
6751     from_lx = from_x + level_xpos;
6752     from_ly = from_y + level_ypos;
6753
6754     for (y = 0; y < brush_height; y++)
6755     {
6756       for (x=0; x < brush_width; x++)
6757       {
6758         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
6759
6760         if (button != 1)
6761           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
6762       }
6763     }
6764
6765     if (button != 1)
6766       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6767
6768     delete_old_brush = FALSE;
6769   }
6770   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
6771            mode == CB_BRUSH_TO_LEVEL)
6772   {
6773     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
6774     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
6775     int cursor_from_x = cursor_x - brush_width / 2;
6776     int cursor_from_y = cursor_y - brush_height / 2;
6777     int border_from_x = cursor_x, border_from_y = cursor_y;
6778     int border_to_x = cursor_x, border_to_y = cursor_y;
6779
6780     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
6781       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
6782
6783     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
6784         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
6785     {
6786       delete_old_brush = FALSE;
6787       return;
6788     }
6789
6790     for (y = 0; y < brush_height; y++)
6791     {
6792       for (x = 0; x < brush_width; x++)
6793       {
6794         int sx = cursor_from_x + x;
6795         int sy = cursor_from_y + y;
6796         int lx = sx + level_xpos;
6797         int ly = sy + level_ypos;
6798         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
6799         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
6800                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
6801                        brush_buffer[x][y] : new_element);
6802
6803         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6804         {
6805           if (sx < border_from_x)
6806             border_from_x = sx;
6807           else if (sx > border_to_x)
6808             border_to_x = sx;
6809           if (sy < border_from_y)
6810             border_from_y = sy;
6811           else if (sy > border_to_y)
6812             border_to_y = sy;
6813
6814           DrawLineElement(sx, sy, element, change_level);
6815         }
6816       }
6817     }
6818
6819     if (mode != CB_DELETE_OLD_CURSOR)
6820       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
6821
6822     last_cursor_x = cursor_x;
6823     last_cursor_y = cursor_y;
6824     delete_old_brush = TRUE;
6825   }
6826 }
6827
6828 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
6829                             int button)
6830 {
6831   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
6832 }
6833
6834 static void CopyBrushToLevel(int x, int y, int button)
6835 {
6836   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
6837 }
6838
6839 static void CopyBrushToCursor(int x, int y)
6840 {
6841   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
6842 }
6843
6844 static void DeleteBrushFromCursor()
6845 {
6846   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
6847 }
6848
6849 static void FloodFill(int from_x, int from_y, int fill_element)
6850 {
6851   int i,x,y;
6852   int old_element;
6853   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
6854   static int safety = 0;
6855
6856   /* check if starting field still has the desired content */
6857   if (Feld[from_x][from_y] == fill_element)
6858     return;
6859
6860   safety++;
6861
6862   if (safety > lev_fieldx*lev_fieldy)
6863     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
6864
6865   old_element = Feld[from_x][from_y];
6866   Feld[from_x][from_y] = fill_element;
6867
6868   for (i = 0; i < 4; i++)
6869   {
6870     x = from_x + check[i][0];
6871     y = from_y + check[i][1];
6872
6873     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
6874       FloodFill(x, y, fill_element);
6875   }
6876
6877   safety--;
6878 }
6879
6880 /* values for DrawLevelText() modes */
6881 #define TEXT_INIT               0
6882 #define TEXT_SETCURSOR          1
6883 #define TEXT_WRITECHAR          2
6884 #define TEXT_BACKSPACE          3
6885 #define TEXT_NEWLINE            4
6886 #define TEXT_END                5
6887 #define TEXT_QUERY_TYPING       6
6888
6889 static int DrawLevelText(int sx, int sy, char letter, int mode)
6890 {
6891   static short delete_buffer[MAX_LEV_FIELDX];
6892   static int start_sx, start_sy;
6893   static int last_sx, last_sy;
6894   static boolean typing = FALSE;
6895   int letter_element = EL_CHAR_ASCII0 + letter;
6896   int lx = 0, ly = 0;
6897
6898   /* map lower case letters to upper case and convert special characters */
6899   if (letter >= 'a' && letter <= 'z')
6900     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
6901   else if (letter == 'ä' || letter == 'Ä')
6902     letter_element = EL_CHAR_AUMLAUT;
6903   else if (letter == 'ö' || letter == 'Ö')
6904     letter_element = EL_CHAR_OUMLAUT;
6905   else if (letter == 'ü' || letter == 'Ü')
6906     letter_element = EL_CHAR_UUMLAUT;
6907   else if (letter == '^')
6908     letter_element = EL_CHAR_COPYRIGHT;
6909   else
6910     letter_element = EL_CHAR_ASCII0 + letter;
6911
6912   if (mode != TEXT_INIT)
6913   {
6914     if (!typing)
6915       return FALSE;
6916
6917     if (mode != TEXT_SETCURSOR)
6918     {
6919       sx = last_sx;
6920       sy = last_sy;
6921     }
6922
6923     lx = last_sx + level_xpos;
6924     ly = last_sy + level_ypos;
6925   }
6926
6927   switch (mode)
6928   {
6929     case TEXT_INIT:
6930       if (typing)
6931         DrawLevelText(0, 0, 0, TEXT_END);
6932
6933       typing = TRUE;
6934       start_sx = last_sx = sx;
6935       start_sy = last_sy = sy;
6936       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
6937       break;
6938
6939     case TEXT_SETCURSOR:
6940       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
6941       DrawAreaBorder(sx, sy, sx, sy);
6942       last_sx = sx;
6943       last_sy = sy;
6944       break;
6945
6946     case TEXT_WRITECHAR:
6947       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
6948       {
6949         delete_buffer[sx - start_sx] = Feld[lx][ly];
6950         Feld[lx][ly] = letter_element;
6951
6952         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
6953           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
6954         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
6955           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
6956         else
6957           DrawLevelText(0, 0, 0, TEXT_END);
6958       }
6959       break;
6960
6961     case TEXT_BACKSPACE:
6962       if (sx > start_sx)
6963       {
6964         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
6965         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
6966         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
6967       }
6968       break;
6969
6970     case TEXT_NEWLINE:
6971       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
6972         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
6973       else
6974         DrawLevelText(0, 0, 0, TEXT_END);
6975       break;
6976
6977     case TEXT_END:
6978       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6979       DrawMiniElement(sx, sy, Feld[lx][ly]);
6980       typing = FALSE;
6981       break;
6982
6983     case TEXT_QUERY_TYPING:
6984       break;
6985
6986     default:
6987       break;
6988   }
6989
6990   return typing;
6991 }
6992
6993 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
6994                           int element, boolean change_level)
6995 {
6996   int lx = sx + level_xpos;
6997   int ly = sy + level_ypos;
6998
6999   if (element == -1)
7000     DrawMiniElement(sx, sy, Feld[lx][ly]);
7001   else
7002     DrawAreaBorder(sx, sy, sx, sy);
7003 }
7004
7005 static void CopyLevelToUndoBuffer(int mode)
7006 {
7007   static boolean accumulated_undo = FALSE;
7008   boolean new_undo_buffer_position = TRUE;
7009   int last_border_element;
7010   int x, y;
7011
7012   switch (mode)
7013   {
7014     case UNDO_IMMEDIATE:
7015       accumulated_undo = FALSE;
7016       break;
7017
7018     case UNDO_ACCUMULATE:
7019       if (accumulated_undo)
7020         new_undo_buffer_position = FALSE;
7021       accumulated_undo = TRUE;
7022       break;
7023
7024     default:
7025       break;
7026   }
7027
7028   if (new_undo_buffer_position)
7029   {
7030     /* new position in undo buffer ring */
7031     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
7032
7033     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
7034       undo_buffer_steps++;
7035   }
7036
7037   for (x = 0; x < lev_fieldx; x++)
7038     for (y = 0; y < lev_fieldy; y++)
7039       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
7040
7041   /* check if drawing operation forces change of border style */
7042   last_border_element = BorderElement;
7043   SetBorderElement();
7044   if (BorderElement != last_border_element)
7045     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7046 }
7047
7048 static void RandomPlacement(int new_element)
7049 {
7050   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
7051   int num_free_positions;
7052   int num_percentage;
7053   int num_elements;
7054   int x, y;
7055
7056   /* determine number of free positions for the new elements */
7057   /* (maybe this statement should be formatted a bit more readable...) */
7058   num_free_positions = 0;
7059   for (x = 0; x < lev_fieldx; x++)
7060     for (y = 0; y < lev_fieldy; y++)
7061       if ((free_position[x][y] =
7062            ((random_placement_background_restricted &&
7063              Feld[x][y] == random_placement_background_element) ||
7064             (!random_placement_background_restricted &&
7065              Feld[x][y] != new_element))) == TRUE)
7066         num_free_positions++;
7067
7068   /* determine number of new elements to place there */
7069   num_percentage = num_free_positions * random_placement_value / 100;
7070   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
7071                   num_percentage : random_placement_value);
7072
7073   /* if not more free positions than elements to place, fill whole level */
7074   if (num_elements >= num_free_positions)
7075   {
7076     for (x = 0; x < lev_fieldx; x++)
7077       for (y = 0; y < lev_fieldy; y++)
7078         Feld[x][y] = new_element;
7079
7080     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7081     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7082     return;
7083   }
7084
7085   while (num_elements > 0)
7086   {
7087     x = RND(lev_fieldx);
7088     y = RND(lev_fieldy);
7089
7090     /* don't place element at the same position twice */
7091     if (free_position[x][y])
7092     {
7093       free_position[x][y] = FALSE;
7094       Feld[x][y] = new_element;
7095       num_elements--;
7096     }
7097   }
7098
7099   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7100   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7101 }
7102
7103 void WrapLevel(int dx, int dy)
7104 {
7105   int wrap_dx = lev_fieldx - dx;
7106   int wrap_dy = lev_fieldy - dy;
7107   int x, y;
7108
7109   for (x = 0; x < lev_fieldx; x++)
7110     for (y = 0; y < lev_fieldy; y++)
7111       FieldBackup[x][y] = Feld[x][y];
7112
7113   for (x = 0; x < lev_fieldx; x++)
7114     for (y = 0; y < lev_fieldy; y++)
7115       Feld[x][y] =
7116         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
7117
7118   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7119   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
7120 }
7121
7122 static void HandleDrawingAreas(struct GadgetInfo *gi)
7123 {
7124   static boolean started_inside_drawing_area = FALSE;
7125   int id = gi->custom_id;
7126   boolean button_press_event;
7127   boolean button_release_event;
7128   boolean inside_drawing_area = !gi->event.off_borders;
7129   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
7130   int actual_drawing_function;
7131   int button = gi->event.button;
7132   int new_element = BUTTON_ELEMENT(button);
7133   int sx = gi->event.x, sy = gi->event.y;
7134   int min_sx = 0, min_sy = 0;
7135   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
7136   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
7137   int lx = 0, ly = 0;
7138   int min_lx = 0, min_ly = 0;
7139   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
7140   int x, y;
7141
7142   /* handle info callback for each invocation of action callback */
7143   gi->callback_info(gi);
7144
7145   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
7146   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
7147
7148   /* make sure to stay inside drawing area boundaries */
7149   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
7150   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
7151
7152   if (draw_level)
7153   {
7154     /* get positions inside level field */
7155     lx = sx + level_xpos;
7156     ly = sy + level_ypos;
7157
7158     if (!IN_LEV_FIELD(lx, ly))
7159       inside_drawing_area = FALSE;
7160
7161     /* make sure to stay inside level field boundaries */
7162     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
7163     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
7164
7165     /* correct drawing area positions accordingly */
7166     sx = lx - level_xpos;
7167     sy = ly - level_ypos;
7168   }
7169
7170   if (button_press_event)
7171     started_inside_drawing_area = inside_drawing_area;
7172
7173   if (!started_inside_drawing_area)
7174     return;
7175
7176   if (!button && !button_release_event)
7177     return;
7178
7179   /* automatically switch to 'single item' drawing mode, if needed */
7180   actual_drawing_function =
7181     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
7182      drawing_function : GADGET_ID_SINGLE_ITEMS);
7183
7184   /* clicking into drawing area with pressed Control key picks element */
7185   if (GetKeyModState() & KMOD_Control)
7186   {
7187     last_drawing_function = drawing_function;
7188     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
7189   }
7190
7191   switch (actual_drawing_function)
7192   {
7193     case GADGET_ID_SINGLE_ITEMS:
7194       if (draw_level)
7195       {
7196         if (button_release_event)
7197         {
7198           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7199
7200           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
7201               !inside_drawing_area)
7202             DeleteBrushFromCursor();
7203         }
7204
7205         if (!button)
7206           break;
7207
7208         if (draw_with_brush)
7209         {
7210           if (!button_release_event)
7211             CopyBrushToLevel(sx, sy, button);
7212         }
7213         else if (new_element != Feld[lx][ly])
7214         {
7215           if (new_element == EL_PLAYER_1)
7216           {
7217             /* remove player at old position */
7218             for (y = 0; y < lev_fieldy; y++)
7219             {
7220               for (x = 0; x < lev_fieldx; x++)
7221               {
7222                 if (Feld[x][y] == EL_PLAYER_1)
7223                 {
7224                   Feld[x][y] = EL_EMPTY;
7225                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
7226                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
7227                     DrawMiniElement(x - level_xpos, y - level_ypos,
7228                                     EL_EMPTY);
7229                 }
7230               }
7231             }
7232           }
7233
7234           Feld[lx][ly] = new_element;
7235           DrawMiniElement(sx, sy, new_element);
7236         }
7237       }
7238       else
7239       {
7240         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
7241           DrawMiniGraphicExt(drawto,
7242                              gi->x + sx * MINI_TILEX,
7243                              gi->y + sy * MINI_TILEY,
7244                              el2edimg(new_element));
7245         else
7246           DrawGraphicExt(drawto,
7247                          gi->x + sx * TILEX,
7248                          gi->y + sy * TILEY,
7249                          el2img(new_element), 0);
7250
7251         if (id == GADGET_ID_AMOEBA_CONTENT)
7252           level.amoeba_content = new_element;
7253         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
7254         {
7255           new_element = GFX_ELEMENT(new_element);
7256           custom_element.gfx_element = new_element;
7257
7258           CopyElementPropertiesToGame(properties_element);
7259
7260           UpdateCustomElementGraphicGadgets();
7261
7262           FrameCounter = 0;     /* restart animation frame counter */
7263         }
7264         else if (id == GADGET_ID_CUSTOM_CONTENT)
7265         {
7266           custom_element.content[sx][sy] = new_element;
7267
7268           CopyCustomElementPropertiesToGame(properties_element);
7269         }
7270         else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
7271         {
7272           custom_element.move_enter_element = new_element;
7273
7274           CopyCustomElementPropertiesToGame(properties_element);
7275         }
7276         else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
7277         {
7278           custom_element.move_leave_element = new_element;
7279
7280           CopyCustomElementPropertiesToGame(properties_element);
7281         }
7282         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
7283         {
7284           custom_element_change.target_element = new_element;
7285
7286           CopyCustomElementPropertiesToGame(properties_element);
7287         }
7288         else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
7289         {
7290           custom_element_change.content[sx][sy] = new_element;
7291
7292           CopyCustomElementPropertiesToGame(properties_element);
7293         }
7294         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
7295         {
7296           custom_element_change.trigger_element = new_element;
7297
7298           CopyCustomElementPropertiesToGame(properties_element);
7299         }
7300         else if (id == GADGET_ID_GROUP_CONTENT)
7301         {
7302           group_element_info.element[sx] = new_element;
7303
7304           CopyGroupElementPropertiesToGame(properties_element);
7305         }
7306         else if (id == GADGET_ID_RANDOM_BACKGROUND)
7307           random_placement_background_element = new_element;
7308         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
7309                  id <= GADGET_ID_ELEMENT_CONTENT_7)
7310           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
7311             new_element;
7312       }
7313       break;
7314
7315     case GADGET_ID_CONNECTED_ITEMS:
7316       {
7317         static int last_sx = -1;
7318         static int last_sy = -1;
7319
7320         if (button_release_event)
7321           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7322
7323         if (button)
7324         {
7325           if (!button_press_event)
7326             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
7327
7328           last_sx = sx;
7329           last_sy = sy;
7330         }
7331       }
7332       break;
7333
7334     case GADGET_ID_LINE:
7335     case GADGET_ID_ARC:
7336     case GADGET_ID_RECTANGLE:
7337     case GADGET_ID_FILLED_BOX:
7338     case GADGET_ID_GRAB_BRUSH:
7339     case GADGET_ID_TEXT:
7340       {
7341         static int last_sx = -1;
7342         static int last_sy = -1;
7343         static int start_sx = -1;
7344         static int start_sy = -1;
7345         void (*draw_func)(int, int, int, int, int, boolean);
7346
7347         if (drawing_function == GADGET_ID_LINE)
7348           draw_func = DrawLine;
7349         else if (drawing_function == GADGET_ID_ARC)
7350           draw_func = DrawArc;
7351         else if (drawing_function == GADGET_ID_RECTANGLE)
7352           draw_func = DrawBox;
7353         else if (drawing_function == GADGET_ID_FILLED_BOX)
7354           draw_func = DrawFilledBox;
7355         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
7356           draw_func = SelectArea;
7357         else /* (drawing_function == GADGET_ID_TEXT) */
7358           draw_func = SetTextCursor;
7359
7360         if (button_press_event)
7361         {
7362           draw_func(sx, sy, sx, sy, new_element, FALSE);
7363           start_sx = last_sx = sx;
7364           start_sy = last_sy = sy;
7365
7366           if (drawing_function == GADGET_ID_TEXT)
7367             DrawLevelText(0, 0, 0, TEXT_END);
7368         }
7369         else if (button_release_event)
7370         {
7371           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
7372           if (drawing_function == GADGET_ID_GRAB_BRUSH)
7373           {
7374             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
7375             CopyBrushToCursor(sx, sy);
7376             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
7377                           MB_LEFTBUTTON);
7378             draw_with_brush = TRUE;
7379           }
7380           else if (drawing_function == GADGET_ID_TEXT)
7381             DrawLevelText(sx, sy, 0, TEXT_INIT);
7382           else
7383             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7384         }
7385         else if (last_sx != sx || last_sy != sy)
7386         {
7387           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
7388           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
7389           last_sx = sx;
7390           last_sy = sy;
7391         }
7392       }
7393       break;
7394
7395     case GADGET_ID_FLOOD_FILL:
7396       if (button_press_event && Feld[lx][ly] != new_element)
7397       {
7398         FloodFill(lx, ly, new_element);
7399         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7400         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7401       }
7402       break;
7403
7404     case GADGET_ID_PICK_ELEMENT:
7405       if (button_release_event)
7406         ClickOnGadget(level_editor_gadget[last_drawing_function],
7407                       MB_LEFTBUTTON);
7408       else if (draw_level)
7409         PickDrawingElement(button, Feld[lx][ly]);
7410       else if (id == GADGET_ID_AMOEBA_CONTENT)
7411         PickDrawingElement(button, level.amoeba_content);
7412       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
7413         PickDrawingElement(button, custom_element.gfx_element);
7414       else if (id == GADGET_ID_CUSTOM_CONTENT)
7415         PickDrawingElement(button, custom_element.content[sx][sy]);
7416       else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
7417         PickDrawingElement(button, custom_element.move_enter_element);
7418       else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
7419         PickDrawingElement(button, custom_element.move_leave_element);
7420       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
7421         PickDrawingElement(button, custom_element_change.target_element);
7422       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
7423         PickDrawingElement(button, custom_element_change.content[sx][sy]);
7424       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
7425         PickDrawingElement(button, custom_element_change.trigger_element);
7426       else if (id == GADGET_ID_GROUP_CONTENT)
7427         PickDrawingElement(button, group_element_info.element[sx]);
7428       else if (id == GADGET_ID_RANDOM_BACKGROUND)
7429         PickDrawingElement(button, random_placement_background_element);
7430       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
7431                id <= GADGET_ID_ELEMENT_CONTENT_7)
7432       {
7433         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
7434
7435         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
7436       }
7437
7438       break;
7439
7440     default:
7441       break;
7442   }
7443 }
7444
7445 static void HandleCounterButtons(struct GadgetInfo *gi)
7446 {
7447   int gadget_id = gi->custom_id;
7448   int counter_id = gi->custom_type_id;
7449   int button = gi->event.button;
7450   int *counter_value = counterbutton_info[counter_id].value;
7451   int step = BUTTON_STEPSIZE(button) *
7452     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
7453
7454   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
7455   {
7456     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
7457     boolean released = (gi->event.type == GD_EVENT_RELEASED);
7458     boolean level_changed = LevelChanged();
7459
7460     if ((level_changed && pressed) || (!level_changed && released))
7461       return;
7462
7463     if (level_changed && !Request("Level has changed! Discard changes ?",
7464                                   REQ_ASK))
7465     {
7466       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
7467         ModifyEditorCounter(counter_id, *counter_value);
7468       return;
7469     }
7470   }
7471
7472   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
7473     *counter_value = gi->textinput.number_value;
7474   else
7475     ModifyEditorCounter(counter_id, *counter_value + step);
7476
7477   switch (counter_id)
7478   {
7479     case ED_COUNTER_ID_ELEMENT_CONTENT:
7480       DrawElementContentAreas();
7481       break;
7482
7483     case ED_COUNTER_ID_GROUP_CONTENT:
7484       DrawGroupElementArea(properties_element);
7485       CopyGroupElementPropertiesToGame(properties_element);
7486       break;
7487
7488     case ED_COUNTER_ID_ENVELOPE_XSIZE:
7489     case ED_COUNTER_ID_ENVELOPE_YSIZE:
7490       DrawEnvelopeTextArea(-1);
7491       break;
7492
7493     case ED_COUNTER_ID_LEVEL_XSIZE:
7494     case ED_COUNTER_ID_LEVEL_YSIZE:
7495       lev_fieldx = level.fieldx;
7496       lev_fieldy = level.fieldy;
7497       break;
7498
7499     case ED_COUNTER_ID_SELECT_LEVEL:
7500       LoadLevel(level_nr);
7501       TapeErase();
7502       ResetUndoBuffer();
7503       DrawEditModeWindow();
7504       break;
7505
7506     default:
7507       break;
7508   }
7509
7510   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
7511        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
7512       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
7513        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
7514     CopyElementPropertiesToGame(properties_element);
7515 }
7516
7517 static void HandleTextInputGadgets(struct GadgetInfo *gi)
7518 {
7519   int type_id = gi->custom_type_id;
7520
7521   strcpy(textinput_info[type_id].value, gi->textinput.value);
7522
7523   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
7524   {
7525     CopyElementPropertiesToGame(properties_element);
7526
7527     ModifyEditorElementList();  /* update changed button info text */
7528   }
7529 }
7530
7531 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
7532 {
7533   int type_id = gi->custom_type_id;
7534
7535   strcpy(textarea_info[type_id].value, gi->textarea.value);
7536 }
7537
7538 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
7539 {
7540   int type_id = gi->custom_type_id;
7541
7542   *selectbox_info[type_id].value =
7543     selectbox_info[type_id].options[gi->selectbox.index].value;
7544
7545   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
7546   {
7547     element_info[properties_element].current_change_page = gi->selectbox.index;
7548
7549     DrawPropertiesWindow();
7550   }
7551   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
7552             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
7553            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
7554             type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
7555     CopyElementPropertiesToGame(properties_element);
7556 }
7557
7558 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
7559 {
7560   int type_id = gi->custom_type_id;
7561   int i;
7562
7563   if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
7564       type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
7565   {
7566     edit_mode_properties = gi->custom_type_id;
7567
7568     DrawPropertiesWindow();
7569   }
7570   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
7571   {
7572     char *template_filename = getDefaultLevelFilename(-1);
7573     boolean new_template = !fileExists(template_filename);
7574
7575     if (new_template ||
7576         Request("Save this template and kill the old ?", REQ_ASK))
7577       SaveLevelTemplate();
7578
7579     if (new_template)
7580       Request("Template saved !", REQ_CONFIRM);
7581   }
7582   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
7583            custom_element.num_change_pages < MAX_CHANGE_PAGES)
7584   {
7585     struct ElementInfo *ei = &element_info[properties_element];
7586
7587     setElementChangePages(ei, ei->num_change_pages + 1);
7588
7589     /* set new change page to be new current change page */
7590     ei->current_change_page = ei->num_change_pages - 1;
7591     ei->change = &ei->change_page[ei->current_change_page];
7592
7593     setElementChangeInfoToDefaults(ei->change);
7594
7595     DrawPropertiesWindow();
7596   }
7597   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7598            custom_element.num_change_pages > MIN_CHANGE_PAGES)
7599   {
7600     struct ElementInfo *ei = &element_info[properties_element];
7601
7602     /* copy all change pages after change page to be deleted */
7603     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
7604       ei->change_page[i] = ei->change_page[i + 1];
7605
7606     setElementChangePages(ei, ei->num_change_pages - 1);
7607
7608     DrawPropertiesWindow();
7609   }
7610 }
7611
7612 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
7613 {
7614   int type_id = gi->custom_type_id;
7615
7616   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
7617       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
7618   {
7619     struct ElementInfo *ei = &element_info[properties_element];
7620     int step = BUTTON_STEPSIZE(gi->event.button);
7621
7622     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
7623     ei->current_change_page += step;
7624
7625     if (ei->current_change_page < 0)
7626       ei->current_change_page = 0;
7627     else if (ei->current_change_page >= ei->num_change_pages)
7628       ei->current_change_page = ei->num_change_pages - 1;
7629
7630     DrawPropertiesWindow();
7631   }
7632 }
7633
7634 static void HandleRadiobuttons(struct GadgetInfo *gi)
7635 {
7636   *radiobutton_info[gi->custom_type_id].value =
7637     radiobutton_info[gi->custom_type_id].checked_value;
7638 }
7639
7640 static void HandleCheckbuttons(struct GadgetInfo *gi)
7641 {
7642   int type_id = gi->custom_type_id;
7643
7644   *checkbutton_info[type_id].value ^= TRUE;
7645
7646   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
7647        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
7648       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
7649        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST &&
7650        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
7651   {
7652     CopyElementPropertiesToGame(properties_element);
7653   }
7654
7655   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
7656   {
7657     UpdateCustomElementGraphicGadgets();
7658   }
7659   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
7660   {
7661     char *template_filename = getDefaultLevelFilename(-1);
7662
7663     if (level.use_custom_template && !fileExists(template_filename))
7664     {
7665       Request("No level template found !", REQ_CONFIRM);
7666
7667       level.use_custom_template = FALSE;
7668       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
7669
7670       return;
7671     }
7672
7673     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
7674
7675     DrawEditModeWindow();
7676   }
7677 }
7678
7679 static void HandleControlButtons(struct GadgetInfo *gi)
7680 {
7681   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
7682   static int last_edit_mode = ED_MODE_DRAWING;
7683   static int last_custom_copy_mode = -1;
7684   int id = gi->custom_id;
7685   int button = gi->event.button;
7686   int step = BUTTON_STEPSIZE(button);
7687   int new_element = BUTTON_ELEMENT(button);
7688   int x, y;
7689
7690   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
7691     DrawLevelText(0, 0, 0, TEXT_END);
7692
7693   if (id < ED_NUM_CTRL1_BUTTONS &&
7694       id != GADGET_ID_SINGLE_ITEMS &&
7695       id != GADGET_ID_PROPERTIES &&
7696       id != GADGET_ID_PICK_ELEMENT &&
7697       edit_mode != ED_MODE_DRAWING &&
7698       drawing_function != GADGET_ID_PICK_ELEMENT &&
7699       !(GetKeyModState() & KMOD_Control))
7700   {
7701     DrawDrawingWindow();
7702     edit_mode = ED_MODE_DRAWING;
7703   }
7704
7705   /* element copy mode active, but no element button pressed => deactivate */
7706   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
7707     last_custom_copy_mode = -1;
7708
7709   switch (id)
7710   {
7711     case GADGET_ID_SCROLL_LEFT:
7712       if (level_xpos >= 0)
7713       {
7714         if (lev_fieldx < ed_fieldx - 2)
7715           break;
7716
7717         level_xpos -= step;
7718         if (level_xpos < -1)
7719           level_xpos = -1;
7720         if (button == 1)
7721           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
7722         else
7723           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7724
7725         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7726                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
7727       }
7728       break;
7729
7730     case GADGET_ID_SCROLL_RIGHT:
7731       if (level_xpos <= lev_fieldx - ed_fieldx)
7732       {
7733         if (lev_fieldx < ed_fieldx - 2)
7734           break;
7735
7736         level_xpos += step;
7737         if (level_xpos > lev_fieldx - ed_fieldx + 1)
7738           level_xpos = lev_fieldx - ed_fieldx + 1;
7739         if (button == 1)
7740           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
7741         else
7742           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7743
7744         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7745                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
7746       }
7747       break;
7748
7749     case GADGET_ID_SCROLL_UP:
7750       if (level_ypos >= 0)
7751       {
7752         if (lev_fieldy < ed_fieldy - 2)
7753           break;
7754
7755         level_ypos -= step;
7756         if (level_ypos < -1)
7757           level_ypos = -1;
7758         if (button == 1)
7759           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
7760         else
7761           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7762
7763         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7764                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
7765       }
7766       break;
7767
7768     case GADGET_ID_SCROLL_DOWN:
7769       if (level_ypos <= lev_fieldy - ed_fieldy)
7770       {
7771         if (lev_fieldy < ed_fieldy - 2)
7772           break;
7773
7774         level_ypos += step;
7775         if (level_ypos > lev_fieldy - ed_fieldy + 1)
7776           level_ypos = lev_fieldy - ed_fieldy + 1;
7777         if (button == 1)
7778           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
7779         else
7780           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7781
7782         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7783                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
7784       }
7785       break;
7786
7787     case GADGET_ID_SCROLL_HORIZONTAL:
7788       level_xpos = gi->event.item_position - 1;
7789       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7790       break;
7791
7792     case GADGET_ID_SCROLL_VERTICAL:
7793       level_ypos = gi->event.item_position - 1;
7794       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7795       break;
7796
7797     case GADGET_ID_SCROLL_LIST_UP:
7798     case GADGET_ID_SCROLL_LIST_DOWN:
7799     case GADGET_ID_SCROLL_LIST_VERTICAL:
7800       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
7801         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
7802       else
7803       {
7804         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
7805         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
7806
7807         if (element_shift < 0)
7808           element_shift = 0;
7809         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7810           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7811
7812         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
7813                      GDI_SCROLLBAR_ITEM_POSITION,
7814                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
7815       }
7816
7817       ModifyEditorElementList();
7818
7819       break;
7820
7821     case GADGET_ID_WRAP_LEFT:
7822       WrapLevel(-step, 0);
7823       break;
7824
7825     case GADGET_ID_WRAP_RIGHT:
7826       WrapLevel(step, 0);
7827       break;
7828
7829     case GADGET_ID_WRAP_UP:
7830       WrapLevel(0, -step);
7831       break;
7832
7833     case GADGET_ID_WRAP_DOWN:
7834       WrapLevel(0, step);
7835       break;
7836
7837     case GADGET_ID_SINGLE_ITEMS:
7838     case GADGET_ID_CONNECTED_ITEMS:
7839     case GADGET_ID_LINE:
7840     case GADGET_ID_ARC:
7841     case GADGET_ID_TEXT:
7842     case GADGET_ID_RECTANGLE:
7843     case GADGET_ID_FILLED_BOX:
7844     case GADGET_ID_FLOOD_FILL:
7845     case GADGET_ID_GRAB_BRUSH:
7846     case GADGET_ID_PICK_ELEMENT:
7847       if (drawing_function != GADGET_ID_PICK_ELEMENT)
7848         last_drawing_function = drawing_function;
7849       drawing_function = id;
7850       draw_with_brush = FALSE;
7851       break;
7852
7853     case GADGET_ID_RANDOM_PLACEMENT:
7854       RandomPlacement(new_element);
7855       break;
7856
7857     case GADGET_ID_PROPERTIES:
7858       if (edit_mode != ED_MODE_PROPERTIES)
7859       {
7860         properties_element = new_element;
7861         DrawPropertiesWindow();
7862         edit_mode = ED_MODE_PROPERTIES;
7863
7864         last_level_drawing_function = drawing_function;
7865         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
7866                       MB_LEFTBUTTON);
7867       }
7868       else
7869       {
7870         DrawDrawingWindow();
7871         edit_mode = ED_MODE_DRAWING;
7872
7873         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
7874                       MB_LEFTBUTTON);
7875       }
7876       break;
7877
7878     case GADGET_ID_CUSTOM_COPY_FROM:
7879     case GADGET_ID_CUSTOM_COPY_TO:
7880     case GADGET_ID_CUSTOM_EXCHANGE:
7881       last_custom_copy_mode = id;
7882       last_drawing_function = drawing_function;
7883       break;
7884
7885     case GADGET_ID_UNDO:
7886       if (undo_buffer_steps == 0)
7887       {
7888         Request("Undo buffer empty !", REQ_CONFIRM);
7889         break;
7890       }
7891
7892       if (edit_mode != ED_MODE_DRAWING)
7893       {
7894         DrawDrawingWindow();
7895         edit_mode = ED_MODE_DRAWING;
7896       }
7897
7898       undo_buffer_position =
7899         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
7900       undo_buffer_steps--;
7901
7902       for (x = 0; x < lev_fieldx; x++)
7903         for (y = 0; y < lev_fieldy; y++)
7904           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
7905       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
7906       break;
7907
7908     case GADGET_ID_INFO:
7909       if (edit_mode != ED_MODE_INFO)
7910       {
7911         last_edit_mode = edit_mode;
7912         edit_mode = ED_MODE_INFO;
7913
7914         DrawLevelInfoWindow();
7915       }
7916       else
7917       {
7918         edit_mode = last_edit_mode;
7919
7920         DrawEditModeWindow();
7921       }
7922       break;
7923
7924     case GADGET_ID_CLEAR:
7925       if (edit_mode != ED_MODE_DRAWING)
7926       {
7927         DrawDrawingWindow();
7928         edit_mode = ED_MODE_DRAWING;
7929       }
7930
7931       for (x = 0; x < MAX_LEV_FIELDX; x++)
7932         for (y = 0; y < MAX_LEV_FIELDY; y++)
7933           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
7934       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
7935
7936       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7937       break;
7938
7939     case GADGET_ID_SAVE:
7940       if (leveldir_current->readonly)
7941       {
7942         Request("This level is read only !", REQ_CONFIRM);
7943         break;
7944       }
7945
7946       if (!LevelContainsPlayer)
7947         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
7948       else
7949       {
7950         char *level_filename = getDefaultLevelFilename(level_nr);
7951         boolean new_level = !fileExists(level_filename);
7952
7953         if (new_level ||
7954             Request("Save this level and kill the old ?", REQ_ASK))
7955         {
7956           CopyPlayfield(Feld, level.field);
7957
7958           SaveLevel(level_nr);
7959         }
7960
7961         if (new_level)
7962           Request("Level saved !", REQ_CONFIRM);
7963       }
7964       break;
7965
7966     case GADGET_ID_TEST:
7967       if (!LevelContainsPlayer)
7968         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
7969       else
7970       {
7971         if (LevelChanged())
7972           level.game_version = GAME_VERSION_ACTUAL;
7973
7974         CopyPlayfield(level.field, FieldBackup);
7975         CopyPlayfield(Feld, level.field);
7976
7977         UnmapLevelEditorGadgets();
7978         UndrawSpecialEditorDoor();
7979
7980         CloseDoor(DOOR_CLOSE_ALL);
7981
7982         DrawCompleteVideoDisplay();
7983
7984         if (setup.autorecord)
7985           TapeStartRecording();
7986
7987         level_editor_test_game = TRUE;
7988         game_status = GAME_MODE_PLAYING;
7989
7990         InitGame();
7991       }
7992       break;
7993
7994     case GADGET_ID_EXIT:
7995       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
7996       break;
7997
7998     default:
7999       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
8000           id <= GADGET_ID_ELEMENTLIST_LAST)
8001       {
8002         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
8003         int new_element = editor_elements[element_position + element_shift];
8004
8005         if (last_custom_copy_mode != -1)
8006         {
8007           if (CopyCustomElement(properties_element, new_element,
8008                                 last_custom_copy_mode))
8009           {
8010             ClickOnGadget(level_editor_gadget[last_drawing_function],
8011                           MB_LEFTBUTTON);
8012
8013             last_custom_copy_mode = -1;
8014           }
8015
8016           break;
8017         }
8018
8019         PickDrawingElement(button, new_element);
8020
8021         if (!stick_element_properties_window &&
8022             drawing_function != GADGET_ID_PICK_ELEMENT &&
8023             !(GetKeyModState() & KMOD_Control))
8024         {
8025           properties_element = new_element;
8026           if (edit_mode == ED_MODE_PROPERTIES)
8027             DrawPropertiesWindow();
8028         }
8029
8030         if (drawing_function == GADGET_ID_PICK_ELEMENT)
8031           ClickOnGadget(level_editor_gadget[last_drawing_function],
8032                         MB_LEFTBUTTON);
8033       }
8034 #ifdef DEBUG
8035       else if (gi->event.type == GD_EVENT_PRESSED)
8036         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
8037       else if (gi->event.type == GD_EVENT_RELEASED)
8038         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
8039       else if (gi->event.type == GD_EVENT_MOVING)
8040         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
8041       else
8042         printf("default: HandleControlButtons: ? (id == %d)\n", id);
8043 #endif
8044       break;
8045   }
8046 }
8047
8048 void HandleLevelEditorKeyInput(Key key)
8049 {
8050   char letter = getCharFromKey(key);
8051   int button = MB_LEFTBUTTON;
8052
8053   if (drawing_function == GADGET_ID_TEXT &&
8054       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
8055   {
8056     if (letter)
8057       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
8058     else if (key == KSYM_Delete || key == KSYM_BackSpace)
8059       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
8060     else if (key == KSYM_Return)
8061       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
8062     else if (key == KSYM_Escape)
8063       DrawLevelText(0, 0, 0, TEXT_END);
8064   }
8065   else if (button_status == MB_RELEASED)
8066   {
8067     int i, id = GADGET_ID_NONE;
8068
8069     switch (key)
8070     {
8071       case KSYM_Left:
8072         id = GADGET_ID_SCROLL_LEFT;
8073         break;
8074       case KSYM_Right:
8075         id = GADGET_ID_SCROLL_RIGHT;
8076         break;
8077       case KSYM_Up:
8078         id = GADGET_ID_SCROLL_UP;
8079         break;
8080       case KSYM_Down:
8081         id = GADGET_ID_SCROLL_DOWN;
8082         break;
8083       case KSYM_Page_Up:
8084         id = GADGET_ID_SCROLL_LIST_UP;
8085         button = MB_RIGHTBUTTON;
8086         break;
8087       case KSYM_Page_Down:
8088         id = GADGET_ID_SCROLL_LIST_DOWN;
8089         button = MB_RIGHTBUTTON;
8090         break;
8091
8092       case KSYM_Escape:
8093         if (edit_mode == ED_MODE_DRAWING)
8094         {
8095           RequestExitLevelEditor(setup.ask_on_escape);
8096         }
8097         else
8098         {
8099           DrawDrawingWindow();
8100           edit_mode = ED_MODE_DRAWING;
8101         }
8102         break;
8103
8104       default:
8105         break;
8106     }
8107
8108     if (id != GADGET_ID_NONE)
8109       ClickOnGadget(level_editor_gadget[id], button);
8110     else if (letter == '.')
8111       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
8112     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
8113       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
8114     else
8115       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8116         if (letter && letter == control_info[i].shortcut)
8117           if (!anyTextGadgetActive())
8118             ClickOnGadget(level_editor_gadget[i], button);
8119   }
8120 }
8121
8122 void HandleLevelEditorIdle()
8123 {
8124   static unsigned long action_delay = 0;
8125   unsigned long action_delay_value = GameFrameDelay;
8126   int xpos = 1, ypos = 2;
8127
8128   if (edit_mode != ED_MODE_PROPERTIES)
8129     return;
8130
8131   if (!DelayReached(&action_delay, action_delay_value))
8132     return;
8133
8134   DrawGraphicAnimationExt(drawto,
8135                           SX + xpos * TILEX,
8136                           SY + ypos * TILEY + MINI_TILEY / 2,
8137                           el2img(properties_element), -1, NO_MASKING);
8138
8139   MarkTileDirty(xpos, ypos);
8140   MarkTileDirty(xpos, ypos + 1);
8141
8142   FrameCounter++;       /* increase animation frame counter */
8143 }
8144
8145 void ClearEditorGadgetInfoText()
8146 {
8147   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
8148 }
8149
8150 void HandleEditorGadgetInfoText(void *ptr)
8151 {
8152   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
8153   char infotext[MAX_OUTPUT_LINESIZE + 1];
8154   char shortcut[MAX_OUTPUT_LINESIZE + 1];
8155   int max_infotext_len = getMaxInfoTextLength();
8156
8157   if (game_status != GAME_MODE_EDITOR)
8158     return;
8159
8160   ClearEditorGadgetInfoText();
8161
8162   if (gi->event.type == GD_EVENT_INFO_LEAVING)
8163     return;
8164
8165   /* misuse this function to delete brush cursor, if needed */
8166   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
8167     DeleteBrushFromCursor();
8168
8169   if (gi == NULL || gi->info_text == NULL)
8170     return;
8171
8172   strncpy(infotext, gi->info_text, max_infotext_len);
8173   infotext[max_infotext_len] = '\0';
8174
8175   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
8176   {
8177     int key = control_info[gi->custom_id].shortcut;
8178
8179     if (key)
8180     {
8181       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
8182         sprintf(shortcut, " ('.' or '%c')", key);
8183       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
8184         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
8185       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
8186         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
8187       else                                              /* normal case */
8188         sprintf(shortcut, " ('%s%c')",
8189                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
8190
8191       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
8192         strcat(infotext, shortcut);
8193     }
8194   }
8195
8196   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
8197 }
8198
8199 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
8200 {
8201   static int start_lx, start_ly;
8202   int id = gi->custom_id;
8203   int sx = gi->event.x;
8204   int sy = gi->event.y;
8205   int lx = sx + level_xpos;
8206   int ly = sy + level_ypos;
8207   int min_sx = 0, min_sy = 0;
8208   int max_sx = gi->drawing.area_xsize - 1;
8209   int max_sy = gi->drawing.area_ysize - 1;
8210   int actual_drawing_function = drawing_function;
8211   int max_infotext_len = getMaxInfoTextLength();
8212   char infotext[MAX_OUTPUT_LINESIZE + 1];
8213   char *text;
8214
8215   infotext[0] = '\0';           /* start with empty info text */
8216
8217   /* pressed Control key: simulate picking element */
8218   if (GetKeyModState() & KMOD_Control)
8219     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
8220
8221   ClearEditorGadgetInfoText();
8222
8223   if (gi->event.type == GD_EVENT_INFO_LEAVING)
8224     return;
8225
8226   /* make sure to stay inside drawing area boundaries */
8227   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
8228   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
8229
8230   if (id == GADGET_ID_DRAWING_LEVEL)
8231   {
8232     if (button_status)
8233     {
8234       int min_lx = 0, min_ly = 0;
8235       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
8236
8237       /* get positions inside level field */
8238       lx = sx + level_xpos;
8239       ly = sy + level_ypos;
8240
8241       /* make sure to stay inside level field boundaries */
8242       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
8243       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
8244
8245       /* correct drawing area positions accordingly */
8246       sx = lx - level_xpos;
8247       sy = ly - level_ypos;
8248     }
8249
8250     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
8251     {
8252       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
8253       {
8254         if (gi->event.type == GD_EVENT_PRESSED)
8255         {
8256           start_lx = lx;
8257           start_ly = ly;
8258         }
8259
8260         switch (actual_drawing_function)
8261         {
8262           case GADGET_ID_SINGLE_ITEMS:
8263             text = "Drawing single items";
8264             break;
8265           case GADGET_ID_CONNECTED_ITEMS:
8266             text = "Drawing connected items";
8267             break;
8268           case GADGET_ID_LINE:
8269             text = "Drawing line";
8270             break;
8271           case GADGET_ID_ARC:
8272             text = "Drawing arc";
8273             break;
8274           case GADGET_ID_TEXT:
8275             text = "Setting text cursor";
8276             break;
8277           case GADGET_ID_RECTANGLE:
8278             text = "Drawing rectangle";
8279             break;
8280           case GADGET_ID_FILLED_BOX:
8281             text = "Drawing filled box";
8282             break;
8283           case GADGET_ID_FLOOD_FILL:
8284             text = "Flood fill";
8285             break;
8286           case GADGET_ID_GRAB_BRUSH:
8287             text = "Grabbing brush";
8288             break;
8289           case GADGET_ID_PICK_ELEMENT:
8290             text = "Picking element";
8291             break;
8292
8293           default:
8294             text = "Drawing position";
8295             break;
8296         }
8297
8298 #if 1
8299         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
8300           sprintf(infotext, "%s: %d, %d", text, lx, ly);
8301         else
8302           sprintf(infotext, "%s: %d, %d", text,
8303                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
8304 #else
8305         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
8306           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
8307                     "%s: %d, %d", infotext, lx, ly);
8308         else
8309           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
8310                     "%s: %d, %d", infotext,
8311                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
8312 #endif
8313       }
8314 #if 1
8315       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
8316         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
8317       else
8318         sprintf(infotext, "Level position: %d, %d", lx, ly);
8319 #else
8320       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
8321         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
8322                   "%s", getElementInfoText(Feld[lx][ly]));
8323       else
8324         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
8325                   "Level position: %d, %d", lx, ly);
8326 #endif
8327     }
8328
8329     /* misuse this function to draw brush cursor, if needed */
8330     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
8331     {
8332       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
8333         CopyBrushToCursor(sx, sy);
8334       else
8335         DeleteBrushFromCursor();
8336     }
8337   }
8338   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
8339   {
8340     int element = EL_EMPTY;
8341
8342     if (id == GADGET_ID_AMOEBA_CONTENT)
8343       element = level.amoeba_content;
8344     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
8345       element = custom_element.gfx_element;
8346     else if (id == GADGET_ID_CUSTOM_CONTENT)
8347       element = custom_element.content[sx][sy];
8348     else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
8349       element = custom_element.move_enter_element;
8350     else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
8351       element = custom_element.move_leave_element;
8352     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
8353       element = custom_element_change.target_element;
8354     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
8355       element = custom_element_change.content[sx][sy];
8356     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
8357       element = custom_element_change.trigger_element;
8358     else if (id == GADGET_ID_GROUP_CONTENT)
8359       element = group_element_info.element[sx];
8360     else if (id == GADGET_ID_RANDOM_BACKGROUND)
8361       element = random_placement_background_element;
8362     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
8363              id <= GADGET_ID_ELEMENT_CONTENT_7)
8364       element = level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy];
8365
8366     strncpy(infotext, getElementInfoText(element), max_infotext_len);
8367   }
8368   else
8369   {
8370     if (id == GADGET_ID_AMOEBA_CONTENT)
8371       strcpy(infotext, "Amoeba content");
8372     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
8373       strcpy(infotext, "Custom graphic element");
8374     else if (id == GADGET_ID_CUSTOM_CONTENT)
8375       sprintf(infotext, "Custom element content position: %d, %d", sx, sy);
8376     else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
8377       strcpy(infotext, "Element that can be digged/collected");
8378     else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
8379       strcpy(infotext, "Element that will be left behind");
8380     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
8381       strcpy(infotext, "New element after change");
8382     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
8383       strcpy(infotext, "New extended elements after change");
8384     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
8385       strcpy(infotext, "Other element triggering change");
8386     else if (id == GADGET_ID_GROUP_CONTENT)
8387       sprintf(infotext, "Group element position: %d", sx + 1);
8388     else if (id == GADGET_ID_RANDOM_BACKGROUND)
8389       strcpy(infotext, "Random placement background");
8390     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
8391              id <= GADGET_ID_ELEMENT_CONTENT_7)
8392       sprintf(infotext, "Content area %d position: %d, %d",
8393               id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
8394   }
8395
8396   infotext[max_infotext_len] = '\0';
8397
8398   if (strlen(infotext) > 0)
8399     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
8400 }
8401
8402 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
8403 {
8404   if (!ask_if_level_has_changed ||
8405       !LevelChanged() ||
8406       Request("Level has changed! Exit without saving ?",
8407               REQ_ASK | REQ_STAY_OPEN))
8408   {
8409 #if 1
8410     CloseDoor(DOOR_CLOSE_1);
8411     SetDoorState(DOOR_CLOSE_2);
8412 #else
8413     CloseDoor(DOOR_CLOSE_ALL);
8414 #endif
8415     game_status = GAME_MODE_MAIN;
8416     DrawMainMenu();
8417   }
8418   else
8419   {
8420     CloseDoor(DOOR_CLOSE_1);
8421     BlitBitmap(bitmap_db_door, bitmap_db_door,
8422                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
8423                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
8424     OpenDoor(DOOR_OPEN_1);
8425   }
8426 }