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 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 17)
 448
 449 /* textbutton identifiers */
 450 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 18)
 451
 452 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 453 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 454 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 455 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 3)
 456 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 4)
 457 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 5)
 458
 459 /* graphicbutton identifiers */
 460 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 6)
 461
 462 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 463 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 464
 465 /* gadgets for scrolling of drawing area */
 466 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 467
 468 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 469 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 470 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 471 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 472 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 473 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 474
 475 /* gadgets for scrolling element list */
 476 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 477
 478 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 479 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 480 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 481
 482 /* checkbuttons/radiobuttons for level/element properties */
 483 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 484
 485 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 486 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 487 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 488 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 489 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 490 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 491 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 492 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 7)
 493 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 494 #define GADGET_ID_CUSTOM_EXPLODE_RESULT (GADGET_ID_CHECKBUTTON_FIRST + 9)
 495 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 10)
 496 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 11)
 497 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 12)
 498 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 13)
 499 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 14)
 500 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 15)
 501 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 16)
 502 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 17)
 503 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 18)
 504 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 19)
 505 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 20)
 506 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 21)
 507 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 22)
 508 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 23)
 509 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 24)
 510 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 25)
 511 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 26)
 512 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 27)
 513 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 28)
 514 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 29)
 515
 516 /* gadgets for buttons in element list */
 517 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 30)
 518 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 519                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 520
 521 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 522
 523 /* radio button numbers */
 524 #define RADIO_NR_NONE                   0
 525 #define RADIO_NR_DRAWING_TOOLBOX        1
 526 #define RADIO_NR_RANDOM_ELEMENTS        2
 527
 528 /* values for counter gadgets */
 529 #define ED_COUNTER_ID_SELECT_LEVEL      0
 530 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 531 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 532 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 533 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 534 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 535 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 536 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 537 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 538 #define ED_COUNTER_ID_ENVELOPE_XSIZE    9
 539 #define ED_COUNTER_ID_ENVELOPE_YSIZE    10
 540 #define ED_COUNTER_ID_CUSTOM_SCORE      11
 541 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   12
 542 #define ED_COUNTER_ID_PUSH_DELAY_FIX    13
 543 #define ED_COUNTER_ID_PUSH_DELAY_RND    14
 544 #define ED_COUNTER_ID_MOVE_DELAY_FIX    15
 545 #define ED_COUNTER_ID_MOVE_DELAY_RND    16
 546 #define ED_COUNTER_ID_GROUP_CONTENT     17
 547 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  18
 548 #define ED_COUNTER_ID_CHANGE_DELAY_RND  19
 549 #define ED_COUNTER_ID_CHANGE_CONT_RND   20
 550
 551 #define ED_NUM_COUNTERBUTTONS           21
 552
 553 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 554 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 555
 556 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM_SCORE
 557 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_MOVE_DELAY_RND
 558
 559 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 560 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 561
 562 /* values for scrollbutton gadgets */
 563 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 564 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 565 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 566 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 567 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 568 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 569
 570 #define ED_NUM_SCROLLBUTTONS            6
 571
 572 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 573 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 574
 575 /* values for scrollbar gadgets */
 576 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 577 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 578 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 579
 580 #define ED_NUM_SCROLLBARS               3
 581
 582 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 583 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 584
 585 /* values for text input gadgets */
 586 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 587 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 588 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 589
 590 #define ED_NUM_TEXTINPUT                3
 591
 592 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 593 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 594
 595 /* values for text area gadgets */
 596 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 597
 598 #define ED_NUM_TEXTAREAS                        1
 599
 600 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 601 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 602
 603 /* values for selectbox gadgets */
 604 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      0
 605 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     1
 606 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   2
 607 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     3
 608 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   4
 609 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    5
 610 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  6
 611 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    7
 612 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    8
 613 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       9
 614 #define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY      10
 615 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       11
 616 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    12
 617 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     13
 618 #define ED_SELECTBOX_ID_CHANGE_SIDES            14
 619 #define ED_SELECTBOX_ID_CHANGE_POWER            15
 620 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      16
 621 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       17
 622
 623 #define ED_NUM_SELECTBOX                        18
 624
 625 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 626 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_CONSISTENCY
 627
 628 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 629 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 630
 631 /* values for textbutton gadgets */
 632 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 633 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 634 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 635 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       3
 636 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        4
 637 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        5
 638
 639 #define ED_NUM_TEXTBUTTONS                      6
 640
 641 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 642 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 643
 644 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE
 645 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 646
 647 /* values for graphicbutton gadgets */
 648 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 649 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 650
 651 #define ED_NUM_GRAPHICBUTTONS                   2
 652
 653 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 654 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST    ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE
 655
 656 /* values for checkbutton gadgets */
 657 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 658 #define ED_CHECKBUTTON_ID_GRAVITY               1
 659 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 660 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 661 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 662 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      5
 663 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   6
 664 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     7
 665 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 8
 666 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       9
 667 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       10
 668 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      11
 669 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       12
 670 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         13
 671 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT 14
 672 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   15
 673 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  16
 674 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 17
 675 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    18
 676 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     19
 677 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          20
 678 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  21
 679 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   22
 680 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  23
 681 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    24
 682 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  25
 683 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     26
 684 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   27
 685
 686 #define ED_NUM_CHECKBUTTONS                     28
 687
 688 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 689 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 690
 691 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE
 692 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 693
 694 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 695 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE
 696
 697 /* values for radiobutton gadgets */
 698 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 699 #define ED_RADIOBUTTON_ID_QUANTITY      1
 700
 701 #define ED_NUM_RADIOBUTTONS             2
 702
 703 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 704 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 705
 706 /* values for drawing area gadgets */
 707 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 708 #define ED_DRAWING_ID_ELEMENT_CONTENT_0         1
 709 #define ED_DRAWING_ID_ELEMENT_CONTENT_1         2
 710 #define ED_DRAWING_ID_ELEMENT_CONTENT_2         3
 711 #define ED_DRAWING_ID_ELEMENT_CONTENT_3         4
 712 #define ED_DRAWING_ID_ELEMENT_CONTENT_4         5
 713 #define ED_DRAWING_ID_ELEMENT_CONTENT_5         6
 714 #define ED_DRAWING_ID_ELEMENT_CONTENT_6         7
 715 #define ED_DRAWING_ID_ELEMENT_CONTENT_7         8
 716 #define ED_DRAWING_ID_AMOEBA_CONTENT            9
 717 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            10
 718 #define ED_DRAWING_ID_CUSTOM_CONTENT            11
 719 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         12
 720 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         13
 721 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      14
 722 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     15
 723 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     16
 724 #define ED_DRAWING_ID_GROUP_CONTENT             17
 725 #define ED_DRAWING_ID_RANDOM_BACKGROUND         18
 726
 727 #define ED_NUM_DRAWING_AREAS                    19
 728
 729
 730 /*
 731   -----------------------------------------------------------------------------
 732   some internally used definitions
 733   -----------------------------------------------------------------------------
 734 */
 735
 736 /* values for CopyLevelToUndoBuffer() */
 737 #define UNDO_IMMEDIATE                  0
 738 #define UNDO_ACCUMULATE                 1
 739
 740 /* values for scrollbars */
 741 #define ED_SCROLL_NO                    0
 742 #define ED_SCROLL_LEFT                  1
 743 #define ED_SCROLL_RIGHT                 2
 744 #define ED_SCROLL_UP                    4
 745 #define ED_SCROLL_DOWN                  8
 746
 747 /* screens in the level editor */
 748 #define ED_MODE_DRAWING                 0
 749 #define ED_MODE_INFO                    1
 750 #define ED_MODE_PROPERTIES              2
 751
 752 /* sub-screens in the element properties section */
 753 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 754 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 755 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 756
 757 /* how many steps can be cancelled */
 758 #define NUM_UNDO_STEPS                  (10 + 1)
 759
 760 /* values for elements with score for certain actions */
 761 #define MIN_SCORE                       0
 762 #define MAX_SCORE                       255
 763
 764 /* values for elements with count for collecting */
 765 #define MIN_COLLECT_COUNT               0
 766 #define MAX_COLLECT_COUNT               100
 767
 768 /* values for random placement */
 769 #define RANDOM_USE_PERCENTAGE           0
 770 #define RANDOM_USE_QUANTITY             1
 771
 772 /* maximal size of level editor drawing area */
 773 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 774 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 775
 776
 777 /*
 778   -----------------------------------------------------------------------------
 779   some internally used data structure definitions
 780   -----------------------------------------------------------------------------
 781 */
 782
 783 static struct
 784 {
 785   char shortcut;
 786   char *text;
 787 } control_info[ED_NUM_CTRL_BUTTONS] =
 788 {
 789   { 's',        "draw single items"                     },
 790   { 'd',        "draw connected items"                  },
 791   { 'l',        "draw lines"                            },
 792   { 'a',        "draw arcs"                             },
 793   { 'r',        "draw outline rectangles"               },
 794   { 'R',        "draw filled rectangles"                },
 795   { '\0',       "wrap (rotate) level up"                },
 796   { 't',        "enter text elements"                   },
 797   { 'f',        "flood fill"                            },
 798   { '\0',       "wrap (rotate) level left"              },
 799   { '?',        "properties of drawing element"         },
 800   { '\0',       "wrap (rotate) level right"             },
 801   { '\0',       "random element placement"              },
 802   { 'b',        "grab brush"                            },
 803   { '\0',       "wrap (rotate) level down"              },
 804   { ',',        "pick drawing element"                  },
 805
 806   { 'U',        "undo last operation"                   },
 807   { 'I',        "level properties"                      },
 808   { 'S',        "save level"                            },
 809   { 'C',        "clear level"                           },
 810   { 'T',        "test level"                            },
 811   { 'E',        "exit level editor"                     },
 812
 813   { '\0',       "copy settings from other element"      },
 814   { '\0',       "copy settings to other element"        },
 815   { '\0',       "exchange settings with other element"  },
 816 };
 817
 818 static int random_placement_value = 10;
 819 static int random_placement_method = RANDOM_USE_QUANTITY;
 820 static int random_placement_background_element = EL_SAND;
 821 static boolean random_placement_background_restricted = FALSE;
 822 static boolean stick_element_properties_window = FALSE;
 823 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 824 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 825 static struct ElementChangeInfo custom_element_change;
 826 static struct ElementGroupInfo group_element_info;
 827 static struct ElementInfo custom_element;
 828
 829 static struct
 830 {
 831   int x, y;
 832   int min_value, max_value;
 833   int gadget_id_down, gadget_id_up;
 834   int gadget_id_text;
 835   int gadget_id_align;
 836   int *value;
 837   char *text_above, *text_left, *text_right;
 838 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 839 {
 840   /* ---------- level and editor settings ---------------------------------- */
 841
 842   {
 843     DX + 5 - SX,                        DY + 3 - SY,
 844     1,                                  100,
 845     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 846     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
 847     &level_nr,
 848     NULL,                               NULL, NULL
 849   },
 850   {
 851     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 852     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 853     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 854     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
 855     &level.fieldx,
 856     "playfield size:",                  NULL, "width",
 857   },
 858   {
 859     -1,                                 ED_COUNTER_YPOS(2),
 860     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 861     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 862     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
 863     &level.fieldy,
 864     NULL,                               " ", "height",
 865   },
 866   {
 867     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 868     0,                                  999,
 869     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
 870     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
 871     &level.gems_needed,
 872     "number of emeralds to collect:",   NULL, NULL
 873   },
 874   {
 875     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 876     0,                                  999,
 877     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 878     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
 879     &level.time,
 880     "time available to solve level:",   NULL, "(0 => no time limit)"
 881   },
 882   {
 883     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 884     0,                                  255,
 885     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 886     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
 887     &level.score[SC_TIME_BONUS],
 888     "score for each 10 seconds left:",  NULL, NULL
 889   },
 890   {
 891     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 892     1,                                  100,
 893     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 894     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
 895     &random_placement_value,
 896     "random element placement:",        NULL, "in"
 897   },
 898
 899   /* ---------- element settings: configure (various elements) ------------- */
 900
 901   {
 902     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 903     MIN_SCORE,                          MAX_SCORE,
 904     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 905     GADGET_ID_ELEMENT_SCORE_TEXT,       GADGET_ID_NONE,
 906     NULL,                               /* will be set when used */
 907     NULL,                               NULL, NULL
 908   },
 909   {
 910     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 911     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 912     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 913     GADGET_ID_ELEMENT_CONTENT_TEXT,     GADGET_ID_NONE,
 914     &level.num_yamyam_contents,
 915     NULL,                               NULL, "number of content areas"
 916   },
 917   {
 918     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 919     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
 920     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
 921     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
 922     NULL,
 923     NULL,                               NULL, "width",
 924   },
 925   {
 926     -1,                                 ED_SETTINGS_YPOS(0),
 927     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
 928     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
 929     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
 930     NULL,
 931     NULL,                               " ", "height",
 932   },
 933
 934   /* ---------- element settings: configure (custom elements) -------------- */
 935
 936   {
 937     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
 938     MIN_SCORE,                          MAX_SCORE,
 939     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
 940     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
 941     &custom_element.collect_score,
 942     NULL,                               "score", " "
 943   },
 944   {
 945     -1,                                 ED_SETTINGS_YPOS(3),
 946     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
 947     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
 948     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
 949     &custom_element.collect_count,
 950     NULL,                               "count", NULL
 951   },
 952   {
 953     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 954     0,                                  999,
 955     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
 956     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 957     &custom_element.push_delay_fixed,
 958     NULL,                               "push delay", NULL
 959   },
 960   {
 961     -1,                                 ED_SETTINGS_YPOS(4),
 962     0,                                  999,
 963     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
 964     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
 965     &custom_element.push_delay_random,
 966     NULL,                               "+random", NULL
 967   },
 968   {
 969     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
 970     0,                                  999,
 971     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
 972     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 973     &custom_element.move_delay_fixed,
 974     NULL,                               "move delay", NULL
 975   },
 976   {
 977     -1,                                 ED_SETTINGS_YPOS(9),
 978     0,                                  999,
 979     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
 980     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
 981     &custom_element.move_delay_random,
 982     NULL,                               "+random", NULL
 983   },
 984
 985   /* ---------- element settings: configure (group elements) --------------- */
 986
 987   {
 988     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 989     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
 990     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
 991     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
 992     &group_element_info.num_elements,
 993     NULL,                               NULL, "number of elements in group"
 994   },
 995
 996   /* ---------- element settings: advanced (custom elements) --------------- */
 997
 998   {
 999     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(3),
1000     0,                                  999,
1001     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1002     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1003     &custom_element_change.delay_fixed,
1004     NULL,                               "delay", NULL,
1005   },
1006   {
1007     -1,                                 ED_SETTINGS_YPOS(3),
1008     0,                                  999,
1009     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1010     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1011     &custom_element_change.delay_random,
1012     NULL,                               "+random", NULL
1013   },
1014   {
1015     ED_SETTINGS_XPOS(3),                ED_SETTINGS_YPOS(12),
1016     0,                                  100,
1017     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1018     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1019     &custom_element_change.random,
1020     NULL,                               "use random replace:", "%"
1021   },
1022 };
1023
1024 static struct
1025 {
1026   int x, y;
1027   int gadget_id;
1028   int size;
1029   char *value;
1030   char *text_above, *infotext;
1031 } textinput_info[ED_NUM_TEXTINPUT] =
1032 {
1033   {
1034     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
1035     GADGET_ID_LEVEL_NAME,
1036     MAX_LEVEL_NAME_LEN,
1037     level.name,
1038     "Title:", "Title"
1039   },
1040   {
1041     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1042     GADGET_ID_LEVEL_AUTHOR,
1043     MAX_LEVEL_AUTHOR_LEN,
1044     level.author,
1045     "Author:", "Author"
1046   },
1047   {
1048     5 * MINI_TILEX,                     5 * MINI_TILEY - ED_BORDER_SIZE,
1049     GADGET_ID_ELEMENT_NAME,
1050     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1051     custom_element.description,
1052     NULL, "Element name"
1053   }
1054 };
1055
1056 static struct
1057 {
1058   int x, y;
1059   int gadget_id;
1060   int xsize, ysize;
1061   char *value;
1062   char *text_above, *infotext;
1063 } textarea_info[ED_NUM_TEXTAREAS] =
1064 {
1065   {
1066     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1067     GADGET_ID_ENVELOPE_INFO,
1068     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1069     NULL,
1070     "Envelope Info:", "Envelope Info"
1071   }
1072 };
1073
1074 static struct ValueTextInfo options_access_type[] =
1075 {
1076   { EP_WALKABLE,                "walk"                          },
1077   { EP_PASSABLE,                "pass"                          },
1078   { -1,                         NULL                            }
1079 };
1080
1081 static struct ValueTextInfo options_access_layer[] =
1082 {
1083   { EP_ACCESSIBLE_OVER,         "over"                          },
1084   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1085   { EP_ACCESSIBLE_UNDER,        "under"                         },
1086   { -1,                         NULL                            }
1087 };
1088
1089 static struct ValueTextInfo options_walk_to_action[] =
1090 {
1091   { EP_DIGGABLE,                "diggable"                      },
1092   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1093   { EP_DROPPABLE,               "collectible & droppable"       },
1094   { EP_PUSHABLE,                "pushable"                      },
1095   { -1,                         NULL                            }
1096 };
1097
1098 static struct ValueTextInfo options_move_pattern[] =
1099 {
1100   { MV_LEFT,                    "left"                          },
1101   { MV_RIGHT,                   "right"                         },
1102   { MV_UP,                      "up"                            },
1103   { MV_DOWN,                    "down"                          },
1104   { MV_HORIZONTAL,              "horizontal"                    },
1105   { MV_VERTICAL,                "vertical"                      },
1106   { MV_ALL_DIRECTIONS,          "all directions"                },
1107   { MV_TOWARDS_PLAYER,          "towards player"                },
1108   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1109   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1110   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1111   { MV_TURNING_LEFT,            "turning left"                  },
1112   { MV_TURNING_RIGHT,           "turning right"                 },
1113   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1114   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1115   { MV_TURNING_RANDOM,          "turning random"                },
1116   { MV_WHEN_PUSHED,             "when pushed"                   },
1117   { MV_WHEN_DROPPED,            "when dropped"                  },
1118 #if 1
1119   { MV_MAZE_RUNNER,             "maze runner style"             },
1120   { MV_MAZE_HUNTER,             "maze hunter style"             },
1121 #endif
1122   { -1,                         NULL                            }
1123 };
1124
1125 static struct ValueTextInfo options_move_direction[] =
1126 {
1127   { MV_AUTOMATIC,               "automatic"                     },
1128   { MV_LEFT,                    "left"                          },
1129   { MV_RIGHT,                   "right"                         },
1130   { MV_UP,                      "up"                            },
1131   { MV_DOWN,                    "down"                          },
1132   { MV_RANDOM,                  "random"                        },
1133   { MV_PREVIOUS,                "previous"                      },
1134   { -1,                         NULL                            }
1135 };
1136
1137 static struct ValueTextInfo options_move_stepsize[] =
1138 {
1139   { 1,                          "very slow"                     },
1140   { 2,                          "slow"                          },
1141   { 4,                          "normal"                        },
1142   { 8,                          "fast"                          },
1143   { 16,                         "very fast"                     },
1144   { -1,                         NULL                            }
1145 };
1146
1147 static struct ValueTextInfo options_move_leave_type[] =
1148 {
1149   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1150   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1151   { -1,                         NULL                            }
1152 };
1153
1154 static struct ValueTextInfo options_smash_targets[] =
1155 {
1156   { EP_CAN_SMASH_PLAYER,        "player"                        },
1157 #if 0
1158   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1159 #endif
1160   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1161   { -1,                         NULL                            }
1162 };
1163
1164 static struct ValueTextInfo options_slippery_type[] =
1165 {
1166   { SLIPPERY_ANY_RANDOM,        "random"                        },
1167   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1168   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1169   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1170   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1171   { -1,                         NULL                            }
1172 };
1173
1174 static struct ValueTextInfo options_deadliness[] =
1175 {
1176   { EP_DONT_RUN_INTO,           "running into"                  },
1177   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1178   { EP_DONT_TOUCH,              "touching"                      },
1179   { -1,                         NULL                            }
1180 };
1181
1182 static struct ValueTextInfo options_consistency[] =
1183 {
1184   { EP_CAN_EXPLODE_3X3,         "can explode 3x3"               },
1185   { EP_CAN_EXPLODE_DYNA,        "can explode 3+3"               },
1186   { EP_CAN_EXPLODE_1X1,         "can explode 1x1"               },
1187   { EP_INDESTRUCTIBLE,          "indestructible"                },
1188   { -1,                         NULL                            }
1189 };
1190
1191 static struct ValueTextInfo options_time_units[] =
1192 {
1193   { 1,                          "frames"                        },
1194   { FRAMES_PER_SECOND,          "seconds"                       },
1195   { -1,                         NULL                            }
1196 };
1197
1198 static struct ValueTextInfo options_change_direct_action[] =
1199 {
1200   { CE_TOUCHED_BY_PLAYER,       "touched by player ..."         },
1201   { CE_PRESSED_BY_PLAYER,       "pressed by player ..."         },
1202   { CE_PUSHED_BY_PLAYER,        "pushed by player ..."          },
1203   { CE_ENTERED_BY_PLAYER,       "entered by player ..."         },
1204   { CE_LEFT_BY_PLAYER,          "left by player ..."            },
1205   { CE_DROPPED_BY_PLAYER,       "dropped by player"             },
1206   { CE_SWITCHED,                "switched ..."                  },
1207 #if 1
1208   { CE_HITTING_SOMETHING,       "hitting something ..."         },
1209   { CE_HIT_BY_SOMETHING,        "hit by something ..."          },
1210 #else
1211   { CE_HITTING_SOMETHING,       "collision ..."                 },
1212 #endif
1213   { CE_IMPACT,                  "impact (on something)"         },
1214   { CE_SMASHED,                 "smashed (from above)"          },
1215   { -1,                         NULL                            }
1216 };
1217
1218 static struct ValueTextInfo options_change_other_action[] =
1219 {
1220   { CE_OTHER_GETS_TOUCHED,      "player touches ..."            },
1221   { CE_OTHER_GETS_PRESSED,      "player presses ..."            },
1222   { CE_OTHER_GETS_PUSHED,       "player pushes ..."             },
1223   { CE_OTHER_GETS_ENTERED,      "player enters ..."             },
1224   { CE_OTHER_GETS_LEFT,         "player leaves ..."             },
1225   { CE_OTHER_GETS_DIGGED,       "player digs"                   },
1226   { CE_OTHER_GETS_COLLECTED,    "player collects"               },
1227   { CE_OTHER_GETS_DROPPED,      "player drops"                  },
1228   { CE_OTHER_IS_TOUCHING,       "touching ..."                  },
1229 #if 1
1230   { CE_OTHER_IS_HITTING,        "hitting ..."                   },
1231   { CE_OTHER_GETS_HIT,          "hit by ..."                    },
1232 #endif
1233   { CE_OTHER_IS_SWITCHING,      "switch of ..."                 },
1234   { CE_OTHER_IS_CHANGING,       "change of"                     },
1235   { CE_OTHER_IS_EXPLODING,      "explosion of"                  },
1236   { -1,                         NULL                            }
1237 };
1238
1239 static struct ValueTextInfo options_change_sides[] =
1240 {
1241   { CH_SIDE_LEFT,               "left side"                     },
1242   { CH_SIDE_RIGHT,              "right side"                    },
1243   { CH_SIDE_TOP,                "top side"                      },
1244   { CH_SIDE_BOTTOM,             "bottom side"                   },
1245   { CH_SIDE_LEFT_RIGHT,         "left/right side"               },
1246   { CH_SIDE_TOP_BOTTOM,         "top/bottom side"               },
1247   { CH_SIDE_ANY,                "any side"                      },
1248   { -1,                         NULL                            }
1249 };
1250
1251 static struct ValueTextInfo options_change_power[] =
1252 {
1253   { CP_NON_DESTRUCTIVE,         "empty"                         },
1254   { CP_HALF_DESTRUCTIVE,        "diggable"                      },
1255   { CP_FULL_DESTRUCTIVE,        "destructible"                  },
1256   { -1,                         NULL                            }
1257 };
1258
1259 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
1260 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
1261 {
1262   { -1,                         NULL                            }
1263 };
1264
1265 static struct ValueTextInfo options_group_choice_mode[] =
1266 {
1267   { ANIM_RANDOM,                "random"                        },
1268   { ANIM_LOOP,                  "loop"                          },
1269   { ANIM_LINEAR,                "linear"                        },
1270   { ANIM_PINGPONG,              "pingpong"                      },
1271   { ANIM_PINGPONG2,             "pingpong 2"                    },
1272   { -1,                         NULL                            }
1273 };
1274
1275 static struct
1276 {
1277   int x, y;
1278   int gadget_id;
1279   int gadget_id_align;
1280   int size;     /* char size of selectbox or '-1' (dynamically determined) */
1281   struct ValueTextInfo *options;
1282   int *value;
1283   char *text_left, *text_right, *infotext;
1284 } selectbox_info[ED_NUM_SELECTBOX] =
1285 {
1286   /* ---------- element settings: configure (custom elements) ------------- */
1287
1288   {
1289     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(1),
1290     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
1291     -1,
1292     options_access_type,
1293     &custom_element.access_type,
1294     "player can", NULL,                 "type of access to this field"
1295   },
1296   {
1297     -1,                                 ED_SETTINGS_YPOS(1),
1298     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
1299     -1,
1300     options_access_layer,
1301     &custom_element.access_layer,
1302     NULL, NULL,                         "layer of access for this field"
1303   },
1304   {
1305     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1306     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
1307     -1,
1308     options_walk_to_action,
1309     &custom_element.walk_to_action,
1310     NULL, NULL,                         "diggable/collectible/pushable"
1311   },
1312   {
1313     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1314     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
1315     -1,
1316     options_move_pattern,
1317     &custom_element.move_pattern,
1318     "can move", NULL,                   "element move direction"
1319   },
1320   {
1321     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1322     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
1323     -1,
1324     options_move_direction,
1325     &custom_element.move_direction_initial,
1326     "starts moving", NULL,              "initial element move direction"
1327   },
1328   {
1329     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1330     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
1331     -1,
1332     options_move_stepsize,
1333     &custom_element.move_stepsize,
1334     "move/fall speed", NULL,            "speed of element movement"
1335   },
1336   {
1337     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
1338     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
1339     -1,
1340     options_move_leave_type,
1341     &custom_element.move_leave_type,
1342     "can dig:    can", ":",             "leave behind or change element"
1343   },
1344   {
1345     -1,                                 ED_SETTINGS_YPOS(10),
1346     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
1347     -1,
1348     options_smash_targets,
1349     &custom_element.smash_targets,
1350     "can smash", NULL,                  "elements that can be smashed"
1351   },
1352   {
1353     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(11),
1354     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
1355     -1,
1356     options_slippery_type,
1357     &custom_element.slippery_type,
1358     "slippery", NULL,                   "where other elements fall down"
1359   },
1360   {
1361     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(12),
1362     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
1363     -1,
1364     options_deadliness,
1365     &custom_element.deadliness,
1366     "deadly when", NULL,                "deadliness of element"
1367   },
1368   {
1369     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(13),
1370     GADGET_ID_CUSTOM_CONSISTENCY,       GADGET_ID_NONE,
1371     -1,
1372     options_consistency,
1373     &custom_element.consistency,
1374     NULL, NULL,                         "consistency/destructibility"
1375   },
1376
1377   /* ---------- element settings: advanced (custom elements) --------------- */
1378
1379   {
1380     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
1381     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
1382     -1,
1383     options_time_units,
1384     &custom_element_change.delay_frames,
1385     "delay time given in", NULL,        "delay time units for change"
1386   },
1387   {
1388     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(5),
1389     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
1390     -1,
1391     options_change_direct_action,
1392     &custom_element_change.direct_action,
1393     NULL, NULL,                         "type of direct action"
1394   },
1395   {
1396     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(6),
1397     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
1398     -1,
1399     options_change_other_action,
1400     &custom_element_change.other_action,
1401     NULL, "element:",                   "type of other element action"
1402   },
1403   {
1404     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(7),
1405     GADGET_ID_CHANGE_SIDES,             GADGET_ID_NONE,
1406     -1,
1407     options_change_sides,
1408     &custom_element_change.sides,
1409     "... at", NULL,                     "element side that causes change"
1410   },
1411   {
1412     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(10),
1413     GADGET_ID_CHANGE_POWER,             GADGET_ID_NONE,
1414     -1,
1415     options_change_power,
1416     &custom_element_change.power,
1417     "replace when", NULL,               "which elements can be replaced"
1418   },
1419   {
1420     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(14),
1421     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
1422     3,
1423     options_change_page,
1424     &custom_element.current_change_page,
1425     NULL, NULL,                         "element config page"
1426   },
1427
1428   /* ---------- element settings: configure (group elements) --------------- */
1429
1430   {
1431     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1432     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
1433     -1,
1434     options_group_choice_mode,
1435     &group_element_info.choice_mode,
1436     "choice type:", NULL,               "type of group element choice"
1437   },
1438 };
1439
1440 static struct
1441 {
1442   int x, y;
1443   int gadget_id;
1444   int gadget_id_align;
1445   int size;
1446   char *text;
1447   char *text_left, *text_right, *infotext;
1448 } textbutton_info[ED_NUM_TEXTBUTTONS] =
1449 {
1450   {
1451     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1452     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
1453     11,                                 "Information",
1454     NULL, NULL,                         "Show information about element"
1455   },
1456   {
1457     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
1458     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
1459     11,                                 "Configure",
1460     NULL, NULL,                         "Configure element properties"
1461   },
1462   {
1463     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
1464     GADGET_ID_PROPERTIES_ADVANCED,      GADGET_ID_NONE,
1465     11,                                 "Advanced",
1466     NULL, NULL,                         "Advanced element configuration"
1467   },
1468   {
1469     -1,                                 ED_SETTINGS_YPOS(13),
1470     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
1471     -1,                                 "Save as template",
1472     " ", NULL,                          "Save current settings as new template"
1473   },
1474   {
1475     -1,                                 ED_SETTINGS_YPOS(14),
1476     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_NEXT_CHANGE_PAGE,
1477     -1,                                 "New",
1478     " ", NULL,                          "Add new config page"
1479   },
1480   {
1481     -1,                                 ED_SETTINGS_YPOS(14),
1482     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
1483     -1,                                 "Delete",
1484     NULL, NULL,                         "Delete current config page"
1485   },
1486 };
1487
1488 static struct
1489 {
1490   int gd_x, gd_y;
1491   int x, y;
1492   int width, height;
1493   int gadget_id;
1494   int gadget_id_align;
1495   char *text_left, *text_right, *infotext;
1496 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
1497 {
1498   {
1499     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
1500     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(14),
1501     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1502     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
1503     NULL, NULL,                         "select previous config page"
1504   },
1505   {
1506     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
1507     -1,                                 ED_SETTINGS_YPOS(14),
1508     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1509     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
1510     NULL, "config page",                "select next config page"
1511   },
1512 };
1513
1514 static struct
1515 {
1516   int gd_x, gd_y;
1517   int x, y;
1518   int gadget_id;
1519   char *infotext;
1520 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
1521 {
1522   {
1523     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
1524     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
1525     GADGET_ID_SCROLL_UP,
1526     "scroll level editing area up"
1527   },
1528   {
1529     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
1530     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
1531     GADGET_ID_SCROLL_DOWN,
1532     "scroll level editing area down"
1533   },
1534   {
1535     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
1536     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
1537     GADGET_ID_SCROLL_LEFT,
1538     "scroll level editing area left"
1539   },
1540   {
1541     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1542     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1543     GADGET_ID_SCROLL_RIGHT,
1544     "scroll level editing area right"
1545   },
1546   {
1547     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1548     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1549     GADGET_ID_SCROLL_LIST_UP,
1550     "scroll element list up ('Page Up')"
1551   },
1552   {
1553     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1554     ED_SCROLL2_DOWN_XPOS,   ED_SCROLL2_DOWN_YPOS,
1555     GADGET_ID_SCROLL_LIST_DOWN,
1556     "scroll element list down ('Page Down')"
1557   },
1558 };
1559
1560 static struct
1561 {
1562   int gd_x, gd_y;
1563   int x, y;
1564   int width, height;
1565   int type;
1566   int gadget_id;
1567   char *infotext;
1568 } scrollbar_info[ED_NUM_SCROLLBARS] =
1569 {
1570   {
1571     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1572     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1573     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1574     GD_TYPE_SCROLLBAR_HORIZONTAL,
1575     GADGET_ID_SCROLL_HORIZONTAL,
1576     "scroll level editing area horizontally"
1577   },
1578   {
1579     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1580     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1581     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1582     GD_TYPE_SCROLLBAR_VERTICAL,
1583     GADGET_ID_SCROLL_VERTICAL,
1584     "scroll level editing area vertically"
1585   },
1586   {
1587     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1588     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1589     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1590     GD_TYPE_SCROLLBAR_VERTICAL,
1591     GADGET_ID_SCROLL_LIST_VERTICAL,
1592     "scroll element list vertically"
1593   }
1594 };
1595
1596 static struct
1597 {
1598   int x, y;
1599   int gadget_id;
1600   int gadget_id_align;
1601   int radio_button_nr;
1602   int *value;
1603   int checked_value;
1604   char *text_left, *text_right, *infotext;
1605 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1606 {
1607   {
1608     -1,                                 ED_COUNTER2_YPOS(8),
1609     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
1610     RADIO_NR_RANDOM_ELEMENTS,
1611     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1612     " ", "percentage",                  "use percentage for random elements"
1613   },
1614   {
1615     -1,                                 ED_COUNTER2_YPOS(8),
1616     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
1617     RADIO_NR_RANDOM_ELEMENTS,
1618     &random_placement_method,           RANDOM_USE_QUANTITY,
1619     " ", "quantity",                    "use quantity for random elements"
1620   }
1621 };
1622
1623 static struct
1624 {
1625   int x, y;
1626   int gadget_id;
1627   int gadget_id_align;
1628   boolean *value;
1629   char *text_left, *text_right, *infotext;
1630 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1631 {
1632   /* ---------- level and editor settings ---------------------------------- */
1633
1634   {
1635     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1636     GADGET_ID_DOUBLE_SPEED,             GADGET_ID_NONE,
1637     &level.double_speed,
1638     NULL, "double speed movement",      "set movement speed of player"
1639   },
1640   {
1641     -1,                                 ED_COUNTER_YPOS(6) - MINI_TILEY,
1642     GADGET_ID_GRAVITY,                  GADGET_ID_DOUBLE_SPEED,
1643     &level.initial_gravity,
1644     " ", "gravity",                     "set level gravity"
1645   },
1646   {
1647     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1648     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
1649     &random_placement_background_restricted,
1650     NULL,
1651     "restrict random placement to:",    "set random placement restriction"
1652   },
1653
1654   /* ---------- element settings: configure (various elements) ------------- */
1655
1656   {
1657     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
1658     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
1659     &stick_element_properties_window,
1660     NULL,
1661     "stick this screen to edit content","stick this screen to edit content"
1662   },
1663   {
1664     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1665     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
1666     &level.em_slippery_gems,
1667     NULL,
1668     "slip down from certain flat walls","use EM style slipping behaviour"
1669   },
1670   {
1671     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1672     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
1673     &level.block_last_field,
1674     NULL,
1675     "block last field when moving",     "player blocks last field when moving"
1676   },
1677   {
1678     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1679     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
1680     &level.sp_block_last_field,
1681     NULL,
1682     "block last field when moving",     "player blocks last field when moving"
1683   },
1684
1685   /* ---------- element settings: configure (custom elements) ------------- */
1686
1687   {
1688     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1689     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
1690     &custom_element_properties[EP_ACCESSIBLE],
1691     NULL, NULL,                         "player can walk to or pass this field"
1692   },
1693   {
1694     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1695     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
1696     &custom_element_properties[EP_WALK_TO_OBJECT],
1697     NULL, NULL,                         "player can dig/collect/push element"
1698   },
1699   {
1700     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1701     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
1702     &custom_element_properties[EP_CAN_MOVE],
1703     NULL, NULL,                         "element can move in some direction"
1704   },
1705   {
1706     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1707     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
1708     &custom_element_properties[EP_CAN_FALL],
1709     NULL, "can fall",                   "element can fall down"
1710   },
1711   {
1712     -1,                                 ED_SETTINGS_YPOS(10),
1713     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
1714     &custom_element_properties[EP_CAN_SMASH],
1715     " ", NULL,                          "element can smash other elements"
1716   },
1717   {
1718     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(11),
1719     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
1720     &custom_element_properties[EP_SLIPPERY],
1721     NULL, NULL,                         "other elements can fall down from it"
1722   },
1723   {
1724     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1725     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
1726     &custom_element_properties[EP_DEADLY],
1727     NULL, NULL,                         "element can kill the player"
1728   },
1729   {
1730     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(13),
1731     GADGET_ID_CUSTOM_EXPLODE_RESULT,    GADGET_ID_NONE,
1732     &custom_element_properties[EP_EXPLODE_RESULT],
1733     NULL, NULL,                         "set consistency/destructibility"
1734   },
1735   {
1736     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(14),
1737     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
1738     &custom_element.can_explode_by_fire,
1739     NULL, "by fire",                    "element can explode by fire/explosion"
1740   },
1741   {
1742     -1,                                 ED_SETTINGS_YPOS(14),
1743     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
1744     &custom_element.can_explode_smashed,
1745     " ", "smashed",                     "element can explode when smashed"
1746   },
1747   {
1748     -1,                                 ED_SETTINGS_YPOS(14),
1749     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
1750     &custom_element.can_explode_impact,
1751     " ", "impact",                      "element can explode on impact"
1752   },
1753
1754   /* ---------- element settings: advanced (custom elements) --------------- */
1755
1756   {
1757     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1758     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
1759     &custom_element.use_gfx_element,
1760     NULL, "use graphic of element:",    "use graphic for custom element"
1761   },
1762   {
1763     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1764     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
1765     &custom_element_change.can_change,
1766     NULL, "element changes to:",        "element can change to other element"
1767   },
1768   {
1769     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1770     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
1771     &custom_element_change_events[CE_DELAY],
1772     NULL, NULL,                         "element changes after delay"
1773   },
1774   {
1775     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1776     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
1777     &custom_element_change_events[CE_BY_DIRECT_ACTION],
1778     NULL, NULL,                         "element changes by direct action"
1779   },
1780   {
1781     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1782     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
1783     &custom_element_change_events[CE_BY_OTHER_ACTION],
1784     NULL, NULL,                         "element changes by other element"
1785   },
1786   {
1787     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1788     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
1789     &custom_element_change.explode,
1790     NULL, "explode instead of change",  "element explodes instead of change"
1791   },
1792   {
1793     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
1794     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
1795     &custom_element_change.use_content,
1796     NULL, "use extended change target:","element changes to more elements"
1797   },
1798   {
1799     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(11),
1800     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
1801     &custom_element_change.only_complete,
1802     NULL, "replace all or nothing",     "only replace when all can be changed"
1803   },
1804   {
1805     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(12),
1806     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
1807     &custom_element_change.use_random_change,
1808     NULL, NULL,                         "use percentage for random replace"
1809   },
1810   {
1811     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(13),
1812     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
1813     &level.use_custom_template,
1814     NULL, "use template",               "use template for custom properties"
1815   },
1816 };
1817
1818 static struct
1819 {
1820   int x, y;
1821   int area_xsize, area_ysize;
1822   int gadget_id;
1823   int gadget_id_align;
1824   char *text_left, *text_right, *text_below;
1825 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
1826 {
1827   /* ---------- level playfield content ------------------------------------ */
1828
1829   {
1830     0, 0,
1831     MAX_ED_FIELDX, MAX_ED_FIELDY,
1832     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
1833     NULL, NULL,                         NULL
1834   },
1835
1836   /* ---------- yam yam content -------------------------------------------- */
1837
1838   {
1839     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
1840     3, 3,
1841     GADGET_ID_ELEMENT_CONTENT_0,        GADGET_ID_NONE,
1842     NULL, NULL,                         "1"
1843   },
1844   {
1845     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
1846     3, 3,
1847     GADGET_ID_ELEMENT_CONTENT_1,        GADGET_ID_NONE,
1848     NULL, NULL,                         "2"
1849   },
1850   {
1851     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
1852     3, 3,
1853     GADGET_ID_ELEMENT_CONTENT_2,        GADGET_ID_NONE,
1854     NULL, NULL,                         "3"
1855   },
1856   {
1857     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
1858     3, 3,
1859     GADGET_ID_ELEMENT_CONTENT_3,        GADGET_ID_NONE,
1860     NULL, NULL,                         "4"
1861   },
1862   {
1863     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
1864     3, 3,
1865     GADGET_ID_ELEMENT_CONTENT_4,        GADGET_ID_NONE,
1866     NULL, NULL,                         "5"
1867   },
1868   {
1869     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
1870     3, 3,
1871     GADGET_ID_ELEMENT_CONTENT_5,        GADGET_ID_NONE,
1872     NULL, NULL,                         "6"
1873   },
1874   {
1875     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
1876     3, 3,
1877     GADGET_ID_ELEMENT_CONTENT_6,        GADGET_ID_NONE,
1878     NULL, NULL,                         "7"
1879   },
1880   {
1881     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
1882     3, 3,
1883     GADGET_ID_ELEMENT_CONTENT_7,        GADGET_ID_NONE,
1884     NULL, NULL,                         "8"
1885   },
1886
1887   /* ---------- amoeba content --------------------------------------------- */
1888
1889   {
1890     ED_AREA_ELEM_CONTENT_XPOS,          ED_AREA_ELEM_CONTENT_YPOS,
1891     1, 1,
1892     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
1893     NULL, "content of amoeba",          NULL
1894   },
1895
1896   /* ---------- custom graphic --------------------------------------------- */
1897
1898   {
1899     -1,                                 ED_AREA_ELEM_CONTENT3_YPOS,
1900     1, 1,
1901     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
1902     NULL, NULL,                         NULL
1903   },
1904
1905   /* ---------- custom content (when exploding) ---------------------------- */
1906
1907   {
1908     ED_AREA_ELEM_CONTENT4_XPOS,         ED_AREA_ELEM_CONTENT4_YPOS,
1909     3, 3,
1910     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
1911     "content:", NULL,                   NULL
1912   },
1913
1914   /* ---------- custom enter and leave element (when moving) --------------- */
1915
1916   {
1917     ED_SETTINGS_XPOS(1),                ED_AREA_ELEM_CONTENT4a_YPOS,
1918     1, 1,
1919     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
1920     "can dig:", " ",                    NULL
1921   },
1922   {
1923     -1,                                 ED_AREA_ELEM_CONTENT4b_YPOS,
1924     1, 1,
1925     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
1926     NULL, NULL,                         NULL
1927   },
1928
1929   /* ---------- custom change target --------------------------------------- */
1930
1931   {
1932     -1,                                 ED_AREA_ELEM_CONTENT2_YPOS,
1933     1, 1,
1934     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
1935     NULL, "after/when:",                NULL
1936   },
1937
1938   /* ---------- custom change content (extended change target) ------------- */
1939
1940   {
1941     ED_AREA_ELEM_CONTENT6_XPOS,         ED_AREA_ELEM_CONTENT6_YPOS,
1942     3, 3,
1943     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
1944     NULL, NULL,                         NULL
1945   },
1946
1947   /* ---------- custom change trigger (element causing change) ------------- */
1948
1949   {
1950     -1,                                 ED_AREA_ELEM_CONTENT5_YPOS,
1951     1, 1,
1952     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
1953     NULL, NULL,                         NULL
1954   },
1955
1956   /* ---------- group element content -------------------------------------- */
1957
1958   {
1959     ED_AREA_GROUP_CONTENT_XPOS,         ED_AREA_GROUP_CONTENT_YPOS,
1960     MAX_ELEMENTS_IN_GROUP, 1,
1961     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
1962     "content:", NULL,                   NULL
1963   },
1964
1965   /* ---------- random background (for random painting) -------------------- */
1966
1967   {
1968     -1,                                 ED_AREA_RANDOM_BACKGROUND_YPOS,
1969     1, 1,
1970     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
1971     NULL, NULL,                         NULL
1972   },
1973 };
1974
1975
1976 /*
1977   -----------------------------------------------------------------------------
1978   some internally used variables
1979   -----------------------------------------------------------------------------
1980 */
1981
1982 /* actual size of level editor drawing area */
1983 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1984
1985 /* actual position of level editor drawing area in level playfield */
1986 static int level_xpos = -1, level_ypos = -1;
1987
1988 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1989
1990 /* drawing elements on the three mouse buttons */
1991 static int new_element1 = EL_WALL;
1992 static int new_element2 = EL_EMPTY;
1993 static int new_element3 = EL_SAND;
1994
1995 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1996                                 (button) == 2 ? new_element2 : \
1997                                 (button) == 3 ? new_element3 : EL_EMPTY)
1998 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1999
2000 /* forward declaration for internal use */
2001 static void ModifyEditorCounter(int, int);
2002 static void ModifyEditorCounterLimits(int, int, int);
2003 static void ModifyEditorSelectbox(int, int);
2004 static void ModifyEditorDrawingArea(int, int, int);
2005 static void ModifyEditorElementList();
2006 static void RedrawDrawingElements();
2007 static void DrawDrawingWindow();
2008 static void DrawLevelInfoWindow();
2009 static void DrawPropertiesWindow();
2010 static void UpdateCustomElementGraphicGadgets();
2011 static boolean checkPropertiesConfig();
2012 static void CopyLevelToUndoBuffer(int);
2013 static void HandleDrawingAreas(struct GadgetInfo *);
2014 static void HandleCounterButtons(struct GadgetInfo *);
2015 static void HandleTextInputGadgets(struct GadgetInfo *);
2016 static void HandleTextAreaGadgets(struct GadgetInfo *);
2017 static void HandleSelectboxGadgets(struct GadgetInfo *);
2018 static void HandleTextbuttonGadgets(struct GadgetInfo *);
2019 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
2020 static void HandleRadiobuttons(struct GadgetInfo *);
2021 static void HandleCheckbuttons(struct GadgetInfo *);
2022 static void HandleControlButtons(struct GadgetInfo *);
2023 static void HandleDrawingAreaInfo(struct GadgetInfo *);
2024
2025 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
2026 static int right_gadget_border[NUM_EDITOR_GADGETS];
2027
2028 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
2029 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
2030 static boolean draw_with_brush = FALSE;
2031 static int properties_element = 0;
2032
2033 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
2034 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
2035 static int undo_buffer_position = 0;
2036 static int undo_buffer_steps = 0;
2037
2038 static int edit_mode;
2039 static int edit_mode_properties;
2040
2041 static int element_shift = 0;
2042
2043 static int editor_hl_boulderdash[] =
2044 {
2045   EL_CHAR('B'),
2046   EL_CHAR('O'),
2047   EL_CHAR('U'),
2048   EL_CHAR('L'),
2049
2050   EL_CHAR('-'),
2051   EL_CHAR('D'),
2052   EL_CHAR('E'),
2053   EL_CHAR('R'),
2054
2055   EL_CHAR('D'),
2056   EL_CHAR('A'),
2057   EL_CHAR('S'),
2058   EL_CHAR('H'),
2059 };
2060
2061 static int editor_el_boulderdash[] =
2062 {
2063   EL_PLAYER_1,
2064   EL_EMPTY,
2065   EL_SAND,
2066   EL_STEELWALL,
2067
2068   EL_BD_WALL,
2069   EL_BD_MAGIC_WALL,
2070   EL_EXIT_CLOSED,
2071   EL_EXIT_OPEN,
2072
2073   EL_BD_DIAMOND,
2074   EL_BD_BUTTERFLY_UP,
2075   EL_BD_FIREFLY_UP,
2076   EL_BD_ROCK,
2077
2078   EL_BD_BUTTERFLY_LEFT,
2079   EL_BD_FIREFLY_LEFT,
2080   EL_BD_BUTTERFLY_RIGHT,
2081   EL_BD_FIREFLY_RIGHT,
2082
2083   EL_BD_AMOEBA,
2084   EL_BD_BUTTERFLY_DOWN,
2085   EL_BD_FIREFLY_DOWN,
2086   EL_EMPTY,
2087 };
2088 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
2089 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
2090 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
2091 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
2092
2093 static int editor_hl_emerald_mine[] =
2094 {
2095   EL_CHAR('E'),
2096   EL_CHAR('M'),
2097   EL_CHAR('E'),
2098   EL_CHAR('-'),
2099
2100   EL_CHAR('R'),
2101   EL_CHAR('A'),
2102   EL_CHAR('L'),
2103   EL_CHAR('D'),
2104
2105   EL_CHAR('M'),
2106   EL_CHAR('I'),
2107   EL_CHAR('N'),
2108   EL_CHAR('E'),
2109 };
2110
2111 static int editor_el_emerald_mine[] =
2112 {
2113   EL_PLAYER_1,
2114   EL_PLAYER_2,
2115   EL_PLAYER_3,
2116   EL_PLAYER_4,
2117
2118   EL_PLAYER_1,
2119   EL_EMPTY,
2120   EL_SAND,
2121   EL_ROCK,
2122
2123   EL_STEELWALL,
2124   EL_WALL,
2125   EL_WALL_SLIPPERY,
2126   EL_MAGIC_WALL,
2127
2128   EL_EMERALD,
2129   EL_DIAMOND,
2130   EL_NUT,
2131   EL_BOMB,
2132
2133   EL_WALL_EMERALD,
2134   EL_WALL_DIAMOND,
2135   EL_QUICKSAND_EMPTY,
2136   EL_QUICKSAND_FULL,
2137
2138   EL_DYNAMITE,
2139   EL_DYNAMITE_ACTIVE,
2140   EL_EXIT_CLOSED,
2141   EL_EXIT_OPEN,
2142
2143   EL_YAMYAM,
2144   EL_BUG_UP,
2145   EL_SPACESHIP_UP,
2146   EL_ROBOT,
2147
2148   EL_BUG_LEFT,
2149   EL_SPACESHIP_LEFT,
2150   EL_BUG_RIGHT,
2151   EL_SPACESHIP_RIGHT,
2152
2153   EL_ROBOT_WHEEL,
2154   EL_BUG_DOWN,
2155   EL_SPACESHIP_DOWN,
2156   EL_INVISIBLE_WALL,
2157
2158   EL_ACID_POOL_TOPLEFT,
2159   EL_ACID,
2160   EL_ACID_POOL_TOPRIGHT,
2161   EL_EMPTY,
2162
2163   EL_ACID_POOL_BOTTOMLEFT,
2164   EL_ACID_POOL_BOTTOM,
2165   EL_ACID_POOL_BOTTOMRIGHT,
2166   EL_EMPTY,
2167
2168   EL_AMOEBA_DROP,
2169   EL_AMOEBA_DEAD,
2170   EL_AMOEBA_WET,
2171   EL_AMOEBA_DRY,
2172
2173 #if 1
2174   EL_EM_KEY_1,
2175   EL_EM_KEY_2,
2176   EL_EM_KEY_3,
2177   EL_EM_KEY_4,
2178 #else
2179   EL_EM_KEY_1_FILE,
2180   EL_EM_KEY_2_FILE,
2181   EL_EM_KEY_3_FILE,
2182   EL_EM_KEY_4_FILE,
2183 #endif
2184
2185   EL_EM_GATE_1,
2186   EL_EM_GATE_2,
2187   EL_EM_GATE_3,
2188   EL_EM_GATE_4,
2189
2190   EL_EM_GATE_1_GRAY,
2191   EL_EM_GATE_2_GRAY,
2192   EL_EM_GATE_3_GRAY,
2193   EL_EM_GATE_4_GRAY,
2194 };
2195 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
2196 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
2197 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
2198 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
2199
2200 static int editor_hl_more[] =
2201 {
2202   EL_CHAR('M'),
2203   EL_CHAR('O'),
2204   EL_CHAR('R'),
2205   EL_CHAR('E'),
2206 };
2207
2208 static int editor_el_more[] =
2209 {
2210   EL_KEY_1,
2211   EL_KEY_2,
2212   EL_KEY_3,
2213   EL_KEY_4,
2214
2215   EL_GATE_1,
2216   EL_GATE_2,
2217   EL_GATE_3,
2218   EL_GATE_4,
2219
2220   EL_GATE_1_GRAY,
2221   EL_GATE_2_GRAY,
2222   EL_GATE_3_GRAY,
2223   EL_GATE_4_GRAY,
2224
2225   EL_ARROW_LEFT,
2226   EL_ARROW_RIGHT,
2227   EL_ARROW_UP,
2228   EL_ARROW_DOWN,
2229
2230   EL_AMOEBA_FULL,
2231   EL_EMERALD_YELLOW,
2232   EL_EMERALD_RED,
2233   EL_EMERALD_PURPLE,
2234
2235   EL_WALL_BD_DIAMOND,
2236   EL_WALL_EMERALD_YELLOW,
2237   EL_WALL_EMERALD_RED,
2238   EL_WALL_EMERALD_PURPLE,
2239
2240   EL_GAME_OF_LIFE,
2241   EL_PACMAN_UP,
2242   EL_TIME_ORB_FULL,
2243   EL_TIME_ORB_EMPTY,
2244
2245   EL_PACMAN_LEFT,
2246   EL_DARK_YAMYAM,
2247   EL_PACMAN_RIGHT,
2248   EL_EXPANDABLE_WALL,
2249
2250   EL_BIOMAZE,
2251   EL_PACMAN_DOWN,
2252   EL_LAMP,
2253   EL_LAMP_ACTIVE,
2254
2255   EL_DYNABOMB_INCREASE_NUMBER,
2256   EL_DYNABOMB_INCREASE_SIZE,
2257   EL_DYNABOMB_INCREASE_POWER,
2258   EL_STONEBLOCK,
2259
2260   EL_MOLE,
2261   EL_PENGUIN,
2262   EL_PIG,
2263   EL_DRAGON,
2264
2265   EL_BUG,
2266   EL_MOLE_UP,
2267   EL_BD_BUTTERFLY,
2268   EL_BD_FIREFLY,
2269
2270   EL_MOLE_LEFT,
2271   EL_EMPTY,
2272   EL_MOLE_RIGHT,
2273   EL_PACMAN,
2274
2275   EL_SPACESHIP,
2276   EL_MOLE_DOWN,
2277   EL_BALLOON,
2278   EL_BALLOON_SWITCH_ANY,
2279
2280   EL_BALLOON_SWITCH_LEFT,
2281   EL_BALLOON_SWITCH_RIGHT,
2282   EL_BALLOON_SWITCH_UP,
2283   EL_BALLOON_SWITCH_DOWN,
2284
2285   EL_SATELLITE,
2286   EL_EXPANDABLE_WALL_HORIZONTAL,
2287   EL_EXPANDABLE_WALL_VERTICAL,
2288   EL_EXPANDABLE_WALL_ANY,
2289
2290   EL_INVISIBLE_STEELWALL,
2291   EL_INVISIBLE_WALL,
2292   EL_SPEED_PILL,
2293   EL_BLACK_ORB,
2294
2295   EL_EMC_STEELWALL_1,
2296   EL_EMC_WALL_1,
2297   EL_EMC_WALL_2,
2298   EL_EMC_WALL_3,
2299
2300   EL_EMC_WALL_4,
2301   EL_EMC_WALL_5,
2302   EL_EMC_WALL_6,
2303   EL_EMC_WALL_7,
2304 };
2305 static int *editor_hl_more_ptr = editor_hl_more;
2306 static int *editor_el_more_ptr = editor_el_more;
2307 static int num_editor_hl_more = SIZEOF_ARRAY_INT(editor_hl_more);
2308 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
2309
2310 static int editor_hl_sokoban[] =
2311 {
2312   EL_CHAR('S'),
2313   EL_CHAR('O'),
2314   EL_CHAR('K'),
2315   EL_CHAR('O'),
2316
2317   EL_CHAR('-'),
2318   EL_CHAR('B'),
2319   EL_CHAR('A'),
2320   EL_CHAR('N'),
2321 };
2322
2323 static int editor_el_sokoban[] =
2324 {
2325   EL_SOKOBAN_OBJECT,
2326   EL_SOKOBAN_FIELD_EMPTY,
2327   EL_SOKOBAN_FIELD_FULL,
2328   EL_SOKOBAN_FIELD_PLAYER,
2329 };
2330 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
2331 static int *editor_el_sokoban_ptr = editor_el_sokoban;
2332 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
2333 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
2334
2335 static int editor_hl_supaplex[] =
2336 {
2337   EL_CHAR('S'),
2338   EL_CHAR('U'),
2339   EL_CHAR('P'),
2340   EL_CHAR('A'),
2341
2342   EL_CHAR('P'),
2343   EL_CHAR('L'),
2344   EL_CHAR('E'),
2345   EL_CHAR('X'),
2346 };
2347
2348 static int editor_el_supaplex[] =
2349 {
2350 #if 1
2351   EL_EMPTY,
2352 #else
2353   EL_SP_EMPTY,
2354 #endif
2355   EL_SP_ZONK,
2356   EL_SP_BASE,
2357   EL_SP_MURPHY,
2358
2359   EL_SP_INFOTRON,
2360   EL_SP_CHIP_SINGLE,
2361   EL_SP_HARDWARE_GRAY,
2362   EL_SP_EXIT_CLOSED,
2363
2364   EL_SP_DISK_ORANGE,
2365   EL_SP_PORT_RIGHT,
2366   EL_SP_PORT_DOWN,
2367   EL_SP_PORT_LEFT,
2368
2369   EL_SP_PORT_UP,
2370   EL_SP_GRAVITY_PORT_RIGHT,
2371   EL_SP_GRAVITY_PORT_DOWN,
2372   EL_SP_GRAVITY_PORT_LEFT,
2373
2374   EL_SP_GRAVITY_PORT_UP,
2375   EL_SP_SNIKSNAK,
2376   EL_SP_DISK_YELLOW,
2377   EL_SP_TERMINAL,
2378
2379   EL_SP_DISK_RED,
2380   EL_SP_PORT_VERTICAL,
2381   EL_SP_PORT_HORIZONTAL,
2382   EL_SP_PORT_ANY,
2383
2384   EL_SP_ELECTRON,
2385   EL_SP_BUGGY_BASE,
2386   EL_SP_CHIP_LEFT,
2387   EL_SP_CHIP_RIGHT,
2388
2389   EL_SP_HARDWARE_BASE_1,
2390   EL_SP_HARDWARE_GREEN,
2391   EL_SP_HARDWARE_BLUE,
2392   EL_SP_HARDWARE_RED,
2393
2394   EL_SP_HARDWARE_YELLOW,
2395   EL_SP_HARDWARE_BASE_2,
2396   EL_SP_HARDWARE_BASE_3,
2397   EL_SP_HARDWARE_BASE_4,
2398
2399   EL_SP_HARDWARE_BASE_5,
2400   EL_SP_HARDWARE_BASE_6,
2401   EL_SP_CHIP_TOP,
2402   EL_SP_CHIP_BOTTOM,
2403 };
2404 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
2405 static int *editor_el_supaplex_ptr = editor_el_supaplex;
2406 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
2407 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
2408
2409 static int editor_hl_diamond_caves[] =
2410 {
2411   EL_CHAR('D'),
2412   EL_CHAR('I'),
2413   EL_CHAR('A'),
2414   EL_CHAR('-'),
2415
2416   EL_CHAR('M'),
2417   EL_CHAR('O'),
2418   EL_CHAR('N'),
2419   EL_CHAR('D'),
2420
2421   EL_CHAR('C'),
2422   EL_CHAR('A'),
2423   EL_CHAR('V'),
2424   EL_CHAR('E'),
2425
2426   EL_CHAR('S'),
2427   EL_CHAR(' '),
2428   EL_CHAR('I'),
2429   EL_CHAR('I'),
2430 };
2431
2432 static int editor_el_diamond_caves[] =
2433 {
2434   EL_PEARL,
2435   EL_CRYSTAL,
2436   EL_WALL_PEARL,
2437   EL_WALL_CRYSTAL,
2438
2439   EL_CONVEYOR_BELT_1_LEFT,
2440   EL_CONVEYOR_BELT_1_MIDDLE,
2441   EL_CONVEYOR_BELT_1_RIGHT,
2442   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2443
2444   EL_CONVEYOR_BELT_2_LEFT,
2445   EL_CONVEYOR_BELT_2_MIDDLE,
2446   EL_CONVEYOR_BELT_2_RIGHT,
2447   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2448
2449   EL_CONVEYOR_BELT_3_LEFT,
2450   EL_CONVEYOR_BELT_3_MIDDLE,
2451   EL_CONVEYOR_BELT_3_RIGHT,
2452   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2453
2454   EL_CONVEYOR_BELT_4_LEFT,
2455   EL_CONVEYOR_BELT_4_MIDDLE,
2456   EL_CONVEYOR_BELT_4_RIGHT,
2457   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2458
2459   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2460   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2461   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2462   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2463
2464   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2465   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2466   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2467   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2468
2469   EL_SWITCHGATE_OPEN,
2470   EL_SWITCHGATE_CLOSED,
2471   EL_SWITCHGATE_SWITCH_UP,
2472   EL_EMPTY,
2473
2474   EL_ENVELOPE_1,
2475   EL_ENVELOPE_2,
2476   EL_ENVELOPE_3,
2477   EL_ENVELOPE_4,
2478
2479   EL_TIMEGATE_CLOSED,
2480   EL_TIMEGATE_OPEN,
2481   EL_TIMEGATE_SWITCH,
2482   EL_EMPTY,
2483
2484   EL_LANDMINE,
2485   EL_INVISIBLE_SAND,
2486   EL_STEELWALL_SLIPPERY,
2487   EL_EMPTY,
2488
2489   EL_SIGN_EXCLAMATION,
2490   EL_SIGN_STOP,
2491   EL_LIGHT_SWITCH,
2492   EL_LIGHT_SWITCH_ACTIVE,
2493
2494   EL_SHIELD_NORMAL,
2495   EL_SHIELD_DEADLY,
2496   EL_EXTRA_TIME,
2497   EL_EMPTY,
2498 };
2499 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
2500 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
2501 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
2502 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
2503
2504 static int editor_hl_dx_boulderdash[] =
2505 {
2506   EL_CHAR('D'),
2507   EL_CHAR('X'),
2508   EL_CHAR('-'),
2509   EL_CHAR(' '),
2510
2511   EL_CHAR('B'),
2512   EL_CHAR('O'),
2513   EL_CHAR('U'),
2514   EL_CHAR('L'),
2515
2516   EL_CHAR('-'),
2517   EL_CHAR('D'),
2518   EL_CHAR('E'),
2519   EL_CHAR('R'),
2520
2521   EL_CHAR('D'),
2522   EL_CHAR('A'),
2523   EL_CHAR('S'),
2524   EL_CHAR('H'),
2525 };
2526
2527 static int editor_el_dx_boulderdash[] =
2528 {
2529   EL_SPRING,
2530   EL_TUBE_RIGHT_DOWN,
2531   EL_TUBE_HORIZONTAL_DOWN,
2532   EL_TUBE_LEFT_DOWN,
2533
2534   EL_TUBE_HORIZONTAL,
2535   EL_TUBE_VERTICAL_RIGHT,
2536   EL_TUBE_ANY,
2537   EL_TUBE_VERTICAL_LEFT,
2538
2539   EL_TUBE_VERTICAL,
2540   EL_TUBE_RIGHT_UP,
2541   EL_TUBE_HORIZONTAL_UP,
2542   EL_TUBE_LEFT_UP,
2543
2544   EL_TRAP,
2545   EL_DX_SUPABOMB,
2546   EL_EMPTY,
2547   EL_EMPTY
2548 };
2549 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
2550 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
2551 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
2552 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
2553
2554 static int editor_hl_chars[] =
2555 {
2556   EL_CHAR('T'),
2557   EL_CHAR('E'),
2558   EL_CHAR('X'),
2559   EL_CHAR('T'),
2560 };
2561
2562 static int editor_el_chars[] =
2563 {
2564   EL_CHAR(' '),
2565   EL_CHAR('!'),
2566   EL_CHAR('"'),
2567   EL_CHAR('#'),
2568
2569   EL_CHAR('$'),
2570   EL_CHAR('%'),
2571   EL_CHAR('&'),
2572   EL_CHAR('\''),
2573
2574   EL_CHAR('('),
2575   EL_CHAR(')'),
2576   EL_CHAR('*'),
2577   EL_CHAR('+'),
2578
2579   EL_CHAR(','),
2580   EL_CHAR('-'),
2581   EL_CHAR('.'),
2582   EL_CHAR('/'),
2583
2584   EL_CHAR('0'),
2585   EL_CHAR('1'),
2586   EL_CHAR('2'),
2587   EL_CHAR('3'),
2588
2589   EL_CHAR('4'),
2590   EL_CHAR('5'),
2591   EL_CHAR('6'),
2592   EL_CHAR('7'),
2593
2594   EL_CHAR('8'),
2595   EL_CHAR('9'),
2596   EL_CHAR(':'),
2597   EL_CHAR(';'),
2598
2599   EL_CHAR('<'),
2600   EL_CHAR('='),
2601   EL_CHAR('>'),
2602   EL_CHAR('?'),
2603
2604   EL_CHAR('@'),
2605   EL_CHAR('A'),
2606   EL_CHAR('B'),
2607   EL_CHAR('C'),
2608
2609   EL_CHAR('D'),
2610   EL_CHAR('E'),
2611   EL_CHAR('F'),
2612   EL_CHAR('G'),
2613
2614   EL_CHAR('H'),
2615   EL_CHAR('I'),
2616   EL_CHAR('J'),
2617   EL_CHAR('K'),
2618
2619   EL_CHAR('L'),
2620   EL_CHAR('M'),
2621   EL_CHAR('N'),
2622   EL_CHAR('O'),
2623
2624   EL_CHAR('P'),
2625   EL_CHAR('Q'),
2626   EL_CHAR('R'),
2627   EL_CHAR('S'),
2628
2629   EL_CHAR('T'),
2630   EL_CHAR('U'),
2631   EL_CHAR('V'),
2632   EL_CHAR('W'),
2633
2634   EL_CHAR('X'),
2635   EL_CHAR('Y'),
2636   EL_CHAR('Z'),
2637   EL_CHAR('['),
2638
2639   EL_CHAR('\\'),
2640   EL_CHAR(']'),
2641   EL_CHAR('^'),
2642   EL_CHAR('_'),
2643
2644   EL_CHAR('©'),
2645   EL_CHAR('Ä'),
2646   EL_CHAR('Ö'),
2647   EL_CHAR('Ü'),
2648
2649   EL_CHAR('°'),
2650   EL_CHAR('®'),
2651   EL_CHAR(FONT_ASCII_CURSOR),
2652   EL_CHAR(' ')
2653 };
2654 static int *editor_hl_chars_ptr = editor_hl_chars;
2655 static int *editor_el_chars_ptr = editor_el_chars;
2656 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
2657 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
2658
2659 static int editor_hl_custom[] =
2660 {
2661   EL_CHAR('C'),
2662   EL_CHAR('U'),
2663   EL_CHAR('S'),
2664   EL_CHAR('-'),
2665
2666   EL_CHAR('T'),
2667   EL_CHAR('O'),
2668   EL_CHAR('M'),
2669   EL_CHAR(' '),
2670
2671   EL_CHAR('E'),
2672   EL_CHAR('L'),
2673   EL_CHAR('E'),
2674   EL_CHAR('M'),
2675
2676   EL_CHAR('E'),
2677   EL_CHAR('N'),
2678   EL_CHAR('T'),
2679   EL_CHAR('S'),
2680 };
2681
2682 static int editor_el_custom[] =
2683 {
2684   EL_CUSTOM_START + 0,
2685   EL_CUSTOM_START + 1,
2686   EL_CUSTOM_START + 2,
2687   EL_CUSTOM_START + 3,
2688
2689   EL_CUSTOM_START + 4,
2690   EL_CUSTOM_START + 5,
2691   EL_CUSTOM_START + 6,
2692   EL_CUSTOM_START + 7,
2693
2694   EL_CUSTOM_START + 8,
2695   EL_CUSTOM_START + 9,
2696   EL_CUSTOM_START + 10,
2697   EL_CUSTOM_START + 11,
2698
2699   EL_CUSTOM_START + 12,
2700   EL_CUSTOM_START + 13,
2701   EL_CUSTOM_START + 14,
2702   EL_CUSTOM_START + 15,
2703
2704   EL_CUSTOM_START + 16,
2705   EL_CUSTOM_START + 17,
2706   EL_CUSTOM_START + 18,
2707   EL_CUSTOM_START + 19,
2708
2709   EL_CUSTOM_START + 20,
2710   EL_CUSTOM_START + 21,
2711   EL_CUSTOM_START + 22,
2712   EL_CUSTOM_START + 23,
2713
2714   EL_CUSTOM_START + 24,
2715   EL_CUSTOM_START + 25,
2716   EL_CUSTOM_START + 26,
2717   EL_CUSTOM_START + 27,
2718
2719   EL_CUSTOM_START + 28,
2720   EL_CUSTOM_START + 29,
2721   EL_CUSTOM_START + 30,
2722   EL_CUSTOM_START + 31,
2723
2724   EL_CUSTOM_START + 32,
2725   EL_CUSTOM_START + 33,
2726   EL_CUSTOM_START + 34,
2727   EL_CUSTOM_START + 35,
2728
2729   EL_CUSTOM_START + 36,
2730   EL_CUSTOM_START + 37,
2731   EL_CUSTOM_START + 38,
2732   EL_CUSTOM_START + 39,
2733
2734   EL_CUSTOM_START + 40,
2735   EL_CUSTOM_START + 41,
2736   EL_CUSTOM_START + 42,
2737   EL_CUSTOM_START + 43,
2738
2739   EL_CUSTOM_START + 44,
2740   EL_CUSTOM_START + 45,
2741   EL_CUSTOM_START + 46,
2742   EL_CUSTOM_START + 47,
2743
2744   EL_CUSTOM_START + 48,
2745   EL_CUSTOM_START + 49,
2746   EL_CUSTOM_START + 50,
2747   EL_CUSTOM_START + 51,
2748
2749   EL_CUSTOM_START + 52,
2750   EL_CUSTOM_START + 53,
2751   EL_CUSTOM_START + 54,
2752   EL_CUSTOM_START + 55,
2753
2754   EL_CUSTOM_START + 56,
2755   EL_CUSTOM_START + 57,
2756   EL_CUSTOM_START + 58,
2757   EL_CUSTOM_START + 59,
2758
2759   EL_CUSTOM_START + 60,
2760   EL_CUSTOM_START + 61,
2761   EL_CUSTOM_START + 62,
2762   EL_CUSTOM_START + 63,
2763
2764   EL_CUSTOM_START + 64,
2765   EL_CUSTOM_START + 65,
2766   EL_CUSTOM_START + 66,
2767   EL_CUSTOM_START + 67,
2768
2769   EL_CUSTOM_START + 68,
2770   EL_CUSTOM_START + 69,
2771   EL_CUSTOM_START + 70,
2772   EL_CUSTOM_START + 71,
2773
2774   EL_CUSTOM_START + 72,
2775   EL_CUSTOM_START + 73,
2776   EL_CUSTOM_START + 74,
2777   EL_CUSTOM_START + 75,
2778
2779   EL_CUSTOM_START + 76,
2780   EL_CUSTOM_START + 77,
2781   EL_CUSTOM_START + 78,
2782   EL_CUSTOM_START + 79,
2783
2784   EL_CUSTOM_START + 80,
2785   EL_CUSTOM_START + 81,
2786   EL_CUSTOM_START + 82,
2787   EL_CUSTOM_START + 83,
2788
2789   EL_CUSTOM_START + 84,
2790   EL_CUSTOM_START + 85,
2791   EL_CUSTOM_START + 86,
2792   EL_CUSTOM_START + 87,
2793
2794   EL_CUSTOM_START + 88,
2795   EL_CUSTOM_START + 89,
2796   EL_CUSTOM_START + 90,
2797   EL_CUSTOM_START + 91,
2798
2799   EL_CUSTOM_START + 92,
2800   EL_CUSTOM_START + 93,
2801   EL_CUSTOM_START + 94,
2802   EL_CUSTOM_START + 95,
2803
2804   EL_CUSTOM_START + 96,
2805   EL_CUSTOM_START + 97,
2806   EL_CUSTOM_START + 98,
2807   EL_CUSTOM_START + 99,
2808
2809   EL_CUSTOM_START + 100,
2810   EL_CUSTOM_START + 101,
2811   EL_CUSTOM_START + 102,
2812   EL_CUSTOM_START + 103,
2813
2814   EL_CUSTOM_START + 104,
2815   EL_CUSTOM_START + 105,
2816   EL_CUSTOM_START + 106,
2817   EL_CUSTOM_START + 107,
2818
2819   EL_CUSTOM_START + 108,
2820   EL_CUSTOM_START + 109,
2821   EL_CUSTOM_START + 110,
2822   EL_CUSTOM_START + 111,
2823
2824   EL_CUSTOM_START + 112,
2825   EL_CUSTOM_START + 113,
2826   EL_CUSTOM_START + 114,
2827   EL_CUSTOM_START + 115,
2828
2829   EL_CUSTOM_START + 116,
2830   EL_CUSTOM_START + 117,
2831   EL_CUSTOM_START + 118,
2832   EL_CUSTOM_START + 119,
2833
2834   EL_CUSTOM_START + 120,
2835   EL_CUSTOM_START + 121,
2836   EL_CUSTOM_START + 122,
2837   EL_CUSTOM_START + 123,
2838
2839   EL_CUSTOM_START + 124,
2840   EL_CUSTOM_START + 125,
2841   EL_CUSTOM_START + 126,
2842   EL_CUSTOM_START + 127
2843 };
2844 static int *editor_hl_custom_ptr = editor_hl_custom;
2845 static int *editor_el_custom_ptr = editor_el_custom;
2846 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
2847 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
2848
2849 static int editor_hl_custom_more[] =
2850 {
2851 };
2852
2853 static int editor_el_custom_more[] =
2854 {
2855   EL_CUSTOM_START + 128,
2856   EL_CUSTOM_START + 129,
2857   EL_CUSTOM_START + 130,
2858   EL_CUSTOM_START + 131,
2859
2860   EL_CUSTOM_START + 132,
2861   EL_CUSTOM_START + 133,
2862   EL_CUSTOM_START + 134,
2863   EL_CUSTOM_START + 135,
2864
2865   EL_CUSTOM_START + 136,
2866   EL_CUSTOM_START + 137,
2867   EL_CUSTOM_START + 138,
2868   EL_CUSTOM_START + 139,
2869
2870   EL_CUSTOM_START + 140,
2871   EL_CUSTOM_START + 141,
2872   EL_CUSTOM_START + 142,
2873   EL_CUSTOM_START + 143,
2874
2875   EL_CUSTOM_START + 144,
2876   EL_CUSTOM_START + 145,
2877   EL_CUSTOM_START + 146,
2878   EL_CUSTOM_START + 147,
2879
2880   EL_CUSTOM_START + 148,
2881   EL_CUSTOM_START + 149,
2882   EL_CUSTOM_START + 150,
2883   EL_CUSTOM_START + 151,
2884
2885   EL_CUSTOM_START + 152,
2886   EL_CUSTOM_START + 153,
2887   EL_CUSTOM_START + 154,
2888   EL_CUSTOM_START + 155,
2889
2890   EL_CUSTOM_START + 156,
2891   EL_CUSTOM_START + 157,
2892   EL_CUSTOM_START + 158,
2893   EL_CUSTOM_START + 159,
2894
2895   EL_CUSTOM_START + 160,
2896   EL_CUSTOM_START + 161,
2897   EL_CUSTOM_START + 162,
2898   EL_CUSTOM_START + 163,
2899
2900   EL_CUSTOM_START + 164,
2901   EL_CUSTOM_START + 165,
2902   EL_CUSTOM_START + 166,
2903   EL_CUSTOM_START + 167,
2904
2905   EL_CUSTOM_START + 168,
2906   EL_CUSTOM_START + 169,
2907   EL_CUSTOM_START + 170,
2908   EL_CUSTOM_START + 171,
2909
2910   EL_CUSTOM_START + 172,
2911   EL_CUSTOM_START + 173,
2912   EL_CUSTOM_START + 174,
2913   EL_CUSTOM_START + 175,
2914
2915   EL_CUSTOM_START + 176,
2916   EL_CUSTOM_START + 177,
2917   EL_CUSTOM_START + 178,
2918   EL_CUSTOM_START + 179,
2919
2920   EL_CUSTOM_START + 180,
2921   EL_CUSTOM_START + 181,
2922   EL_CUSTOM_START + 182,
2923   EL_CUSTOM_START + 183,
2924
2925   EL_CUSTOM_START + 184,
2926   EL_CUSTOM_START + 185,
2927   EL_CUSTOM_START + 186,
2928   EL_CUSTOM_START + 187,
2929
2930   EL_CUSTOM_START + 188,
2931   EL_CUSTOM_START + 189,
2932   EL_CUSTOM_START + 190,
2933   EL_CUSTOM_START + 191,
2934
2935   EL_CUSTOM_START + 192,
2936   EL_CUSTOM_START + 193,
2937   EL_CUSTOM_START + 194,
2938   EL_CUSTOM_START + 195,
2939
2940   EL_CUSTOM_START + 196,
2941   EL_CUSTOM_START + 197,
2942   EL_CUSTOM_START + 198,
2943   EL_CUSTOM_START + 199,
2944
2945   EL_CUSTOM_START + 200,
2946   EL_CUSTOM_START + 201,
2947   EL_CUSTOM_START + 202,
2948   EL_CUSTOM_START + 203,
2949
2950   EL_CUSTOM_START + 204,
2951   EL_CUSTOM_START + 205,
2952   EL_CUSTOM_START + 206,
2953   EL_CUSTOM_START + 207,
2954
2955   EL_CUSTOM_START + 208,
2956   EL_CUSTOM_START + 209,
2957   EL_CUSTOM_START + 210,
2958   EL_CUSTOM_START + 211,
2959
2960   EL_CUSTOM_START + 212,
2961   EL_CUSTOM_START + 213,
2962   EL_CUSTOM_START + 214,
2963   EL_CUSTOM_START + 215,
2964
2965   EL_CUSTOM_START + 216,
2966   EL_CUSTOM_START + 217,
2967   EL_CUSTOM_START + 218,
2968   EL_CUSTOM_START + 219,
2969
2970   EL_CUSTOM_START + 220,
2971   EL_CUSTOM_START + 221,
2972   EL_CUSTOM_START + 222,
2973   EL_CUSTOM_START + 223,
2974
2975   EL_CUSTOM_START + 224,
2976   EL_CUSTOM_START + 225,
2977   EL_CUSTOM_START + 226,
2978   EL_CUSTOM_START + 227,
2979
2980   EL_CUSTOM_START + 228,
2981   EL_CUSTOM_START + 229,
2982   EL_CUSTOM_START + 230,
2983   EL_CUSTOM_START + 231,
2984
2985   EL_CUSTOM_START + 232,
2986   EL_CUSTOM_START + 233,
2987   EL_CUSTOM_START + 234,
2988   EL_CUSTOM_START + 235,
2989
2990   EL_CUSTOM_START + 236,
2991   EL_CUSTOM_START + 237,
2992   EL_CUSTOM_START + 238,
2993   EL_CUSTOM_START + 239,
2994
2995   EL_CUSTOM_START + 240,
2996   EL_CUSTOM_START + 241,
2997   EL_CUSTOM_START + 242,
2998   EL_CUSTOM_START + 243,
2999
3000   EL_CUSTOM_START + 244,
3001   EL_CUSTOM_START + 245,
3002   EL_CUSTOM_START + 246,
3003   EL_CUSTOM_START + 247,
3004
3005   EL_CUSTOM_START + 248,
3006   EL_CUSTOM_START + 249,
3007   EL_CUSTOM_START + 250,
3008   EL_CUSTOM_START + 251,
3009
3010   EL_CUSTOM_START + 252,
3011   EL_CUSTOM_START + 253,
3012   EL_CUSTOM_START + 254,
3013   EL_CUSTOM_START + 255
3014 };
3015 static int *editor_hl_custom_more_ptr = editor_hl_custom_more;
3016 static int *editor_el_custom_more_ptr = editor_el_custom_more;
3017 static int num_editor_hl_custom_more = SIZEOF_ARRAY_INT(editor_hl_custom_more);
3018 static int num_editor_el_custom_more = SIZEOF_ARRAY_INT(editor_el_custom_more);
3019
3020 static int editor_hl_group[] =
3021 {
3022   EL_CHAR('G'),
3023   EL_CHAR('R'),
3024   EL_CHAR('O'),
3025   EL_CHAR('U'),
3026
3027   EL_CHAR('P'),
3028   EL_CHAR(' '),
3029   EL_CHAR(' '),
3030   EL_CHAR(' '),
3031
3032   EL_CHAR('E'),
3033   EL_CHAR('L'),
3034   EL_CHAR('E'),
3035   EL_CHAR('M'),
3036
3037   EL_CHAR('E'),
3038   EL_CHAR('N'),
3039   EL_CHAR('T'),
3040   EL_CHAR('S'),
3041 };
3042
3043 static int editor_el_group[] =
3044 {
3045   EL_GROUP_START + 0,
3046   EL_GROUP_START + 1,
3047   EL_GROUP_START + 2,
3048   EL_GROUP_START + 3,
3049
3050   EL_GROUP_START + 4,
3051   EL_GROUP_START + 5,
3052   EL_GROUP_START + 6,
3053   EL_GROUP_START + 7,
3054
3055   EL_GROUP_START + 8,
3056   EL_GROUP_START + 9,
3057   EL_GROUP_START + 10,
3058   EL_GROUP_START + 11,
3059
3060   EL_GROUP_START + 12,
3061   EL_GROUP_START + 13,
3062   EL_GROUP_START + 14,
3063   EL_GROUP_START + 15
3064 };
3065 static int *editor_hl_group_ptr = editor_hl_group;
3066 static int *editor_el_group_ptr = editor_el_group;
3067 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
3068 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
3069
3070 static int editor_hl_group_more[] =
3071 {
3072 };
3073
3074 static int editor_el_group_more[] =
3075 {
3076   EL_GROUP_START + 16,
3077   EL_GROUP_START + 17,
3078   EL_GROUP_START + 18,
3079   EL_GROUP_START + 19,
3080
3081   EL_GROUP_START + 20,
3082   EL_GROUP_START + 21,
3083   EL_GROUP_START + 22,
3084   EL_GROUP_START + 23,
3085
3086   EL_GROUP_START + 24,
3087   EL_GROUP_START + 25,
3088   EL_GROUP_START + 26,
3089   EL_GROUP_START + 27,
3090
3091   EL_GROUP_START + 28,
3092   EL_GROUP_START + 29,
3093   EL_GROUP_START + 30,
3094   EL_GROUP_START + 31
3095 };
3096 static int *editor_hl_group_more_ptr = editor_hl_group_more;
3097 static int *editor_el_group_more_ptr = editor_el_group_more;
3098 static int num_editor_hl_group_more = SIZEOF_ARRAY_INT(editor_hl_group_more);
3099 static int num_editor_el_group_more = SIZEOF_ARRAY_INT(editor_el_group_more);
3100
3101 static int editor_hl_user_defined[] =
3102 {
3103   EL_CHAR('U'),
3104   EL_CHAR('S'),
3105   EL_CHAR('E'),
3106   EL_CHAR('R'),
3107
3108   EL_CHAR('D'),
3109   EL_CHAR('E'),
3110   EL_CHAR('F'),
3111   EL_CHAR('I'),
3112
3113   EL_CHAR('-'),
3114   EL_CHAR('N'),
3115   EL_CHAR('E'),
3116   EL_CHAR('D'),
3117 };
3118
3119 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
3120 static int *editor_el_user_defined_ptr = NULL;
3121 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
3122 static int num_editor_el_user_defined = 0;
3123
3124 static int editor_hl_empty[] = { };
3125 static int editor_el_empty[ED_NUM_ELEMENTLIST_BUTTONS];
3126
3127 static int *editor_hl_empty_ptr = editor_hl_empty;
3128 static int *editor_el_empty_ptr = editor_el_empty;
3129 static int num_editor_hl_empty = 0;
3130 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
3131
3132 static boolean use_el_empty = FALSE;
3133
3134 static int *editor_elements = NULL;     /* dynamically allocated */
3135 static int num_editor_elements = 0;     /* dynamically determined */
3136
3137 static struct
3138 {
3139   boolean *setup_value;
3140
3141   int **headline_list;
3142   int *headline_list_size;
3143
3144   int **element_list;
3145   int *element_list_size;
3146
3147   boolean last_setup_value;
3148 }
3149 editor_elements_info[] =
3150 {
3151   {
3152     &setup.editor.el_boulderdash,
3153     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
3154     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
3155   },
3156   {
3157     &setup.editor.el_emerald_mine,
3158     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
3159     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
3160   },
3161   {
3162     &setup.editor.el_more,
3163     &editor_hl_more_ptr,                &num_editor_hl_more,
3164     &editor_el_more_ptr,                &num_editor_el_more
3165   },
3166   {
3167     &setup.editor.el_sokoban,
3168     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
3169     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
3170   },
3171   {
3172     &setup.editor.el_supaplex,
3173     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
3174     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
3175   },
3176   {
3177     &setup.editor.el_diamond_caves,
3178     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
3179     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
3180   },
3181   {
3182     &setup.editor.el_dx_boulderdash,
3183     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
3184     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
3185   },
3186   {
3187     &setup.editor.el_chars,
3188     &editor_hl_chars_ptr,               &num_editor_hl_chars,
3189     &editor_el_chars_ptr,               &num_editor_el_chars
3190   },
3191   {
3192     &setup.editor.el_custom,
3193     &editor_hl_custom_ptr,              &num_editor_hl_custom,
3194     &editor_el_custom_ptr,              &num_editor_el_custom
3195   },
3196   {
3197     &setup.editor.el_custom_more,
3198     &editor_hl_custom_more_ptr,         &num_editor_hl_custom_more,
3199     &editor_el_custom_more_ptr,         &num_editor_el_custom_more
3200   },
3201   {
3202     &setup.editor.el_custom,
3203     &editor_hl_group_ptr,               &num_editor_hl_group,
3204     &editor_el_group_ptr,               &num_editor_el_group
3205   },
3206   {
3207     &setup.editor.el_custom_more,
3208     &editor_hl_group_more_ptr,          &num_editor_hl_group_more,
3209     &editor_el_group_more_ptr,          &num_editor_el_group_more
3210   },
3211   {
3212     &setup.editor.el_user_defined,
3213     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
3214     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
3215   },
3216   {
3217     &use_el_empty,
3218     &editor_hl_empty_ptr,               &num_editor_hl_empty,
3219     &editor_el_empty_ptr,               &num_editor_el_empty,
3220   },
3221   {
3222     NULL,
3223     NULL,                               NULL,
3224     NULL,                               NULL
3225   }
3226 };
3227
3228 static struct
3229 {
3230   short element;
3231   short element_mapped;
3232 }
3233 forum_sketch_element_mapping[] =
3234 {
3235   { EL_WALL_SLIPPERY,                   EL_WALL                 },
3236   { EL_EXPANDABLE_WALL,                 EL_WALL                 },
3237   { EL_EXPANDABLE_WALL_HORIZONTAL,      EL_WALL                 },
3238   { EL_EXPANDABLE_WALL_VERTICAL,        EL_WALL                 },
3239   { EL_EXPANDABLE_WALL_ANY,             EL_WALL                 },
3240   { EL_WALL_EMERALD,                    EL_WALL                 },
3241   { EL_WALL_DIAMOND,                    EL_WALL                 },
3242   { EL_WALL_BD_DIAMOND,                 EL_WALL                 },
3243   { EL_WALL_EMERALD_YELLOW,             EL_WALL                 },
3244   { EL_WALL_EMERALD_RED,                EL_WALL                 },
3245   { EL_WALL_EMERALD_PURPLE,             EL_WALL                 },
3246   { EL_ACID_POOL_TOPLEFT,               EL_WALL                 },
3247   { EL_ACID_POOL_TOPRIGHT,              EL_WALL                 },
3248   { EL_ACID_POOL_BOTTOMLEFT,            EL_WALL                 },
3249   { EL_ACID_POOL_BOTTOM,                EL_WALL                 },
3250   { EL_ACID_POOL_BOTTOMRIGHT,           EL_WALL                 },
3251   { EL_BD_WALL,                         EL_WALL                 },
3252
3253   { EL_BD_ROCK,                         EL_ROCK                 },
3254
3255   { EL_SP_ZONK,                         EL_ROCK                 },
3256   { EL_SP_BASE,                         EL_SAND                 },
3257   { EL_SP_MURPHY,                       EL_PLAYER_1             },
3258   { EL_SP_INFOTRON,                     EL_EMERALD              },
3259   { EL_SP_HARDWARE_GRAY,                EL_STEELWALL            },
3260   { EL_SP_EXIT_CLOSED,                  EL_EXIT_OPEN            },
3261   { EL_SP_DISK_ORANGE,                  EL_BOMB                 },
3262   { EL_SP_DISK_RED,                     EL_BOMB                 },
3263   { EL_SP_DISK_YELLOW,                  EL_BOMB                 },
3264   { EL_SP_PORT_RIGHT,                   EL_GATE_1_GRAY          },
3265   { EL_SP_PORT_DOWN,                    EL_GATE_1_GRAY          },
3266   { EL_SP_PORT_LEFT,                    EL_GATE_1_GRAY          },
3267   { EL_SP_PORT_UP,                      EL_GATE_1_GRAY          },
3268   { EL_SP_GRAVITY_PORT_RIGHT,           EL_GATE_1_GRAY          },
3269   { EL_SP_GRAVITY_PORT_DOWN,            EL_GATE_1_GRAY          },
3270   { EL_SP_GRAVITY_PORT_LEFT,            EL_GATE_1_GRAY          },
3271   { EL_SP_GRAVITY_PORT_UP,              EL_GATE_1_GRAY          },
3272   { EL_SP_PORT_VERTICAL,                EL_GATE_1_GRAY          },
3273   { EL_SP_PORT_HORIZONTAL,              EL_GATE_1_GRAY          },
3274   { EL_SP_PORT_ANY,                     EL_GATE_1_GRAY          },
3275   { EL_SP_SNIKSNAK,                     EL_BUG                  },
3276   { EL_SP_ELECTRON,                     EL_SPACESHIP            },
3277   { EL_SP_CHIP_SINGLE,                  EL_WALL                 },
3278   { EL_SP_CHIP_LEFT,                    EL_WALL                 },
3279   { EL_SP_CHIP_RIGHT,                   EL_WALL                 },
3280   { EL_SP_CHIP_TOP,                     EL_WALL                 },
3281   { EL_SP_CHIP_BOTTOM,                  EL_WALL                 },
3282   { EL_SP_HARDWARE_BASE_1,              EL_STEELWALL            },
3283   { EL_SP_HARDWARE_GREEN,               EL_STEELWALL            },
3284   { EL_SP_HARDWARE_BLUE,                EL_STEELWALL            },
3285   { EL_SP_HARDWARE_RED,                 EL_STEELWALL            },
3286   { EL_SP_HARDWARE_YELLOW,              EL_STEELWALL            },
3287   { EL_SP_HARDWARE_BASE_2,              EL_STEELWALL            },
3288   { EL_SP_HARDWARE_BASE_3,              EL_STEELWALL            },
3289   { EL_SP_HARDWARE_BASE_3,              EL_STEELWALL            },
3290   { EL_SP_HARDWARE_BASE_4,              EL_STEELWALL            },
3291   { EL_SP_HARDWARE_BASE_5,              EL_STEELWALL            },
3292   { EL_SP_HARDWARE_BASE_6,              EL_STEELWALL            },
3293
3294   { EL_STEELWALL_SLIPPERY,              EL_STEELWALL            },
3295
3296   { EL_EXIT_CLOSED,                     EL_EXIT_OPEN            },
3297
3298   { EL_DIAMOND,                         EL_EMERALD              },
3299   { EL_BD_DIAMOND,                      EL_EMERALD              },
3300   { EL_EMERALD_YELLOW,                  EL_EMERALD              },
3301   { EL_EMERALD_RED,                     EL_EMERALD              },
3302   { EL_EMERALD_PURPLE,                  EL_EMERALD              },
3303
3304   { EL_AMOEBA_DEAD,                     EL_AMOEBA               },
3305   { EL_AMOEBA_DROP,                     EL_AMOEBA               },
3306   { EL_AMOEBA_WET,                      EL_AMOEBA               },
3307   { EL_AMOEBA_DRY,                      EL_AMOEBA               },
3308   { EL_AMOEBA_FULL,                     EL_AMOEBA               },
3309   { EL_BD_AMOEBA,                       EL_AMOEBA               },
3310   { EL_AMOEBA_TO_DIAMOND,               EL_AMOEBA               },
3311
3312   { EL_DYNAMITE_ACTIVE,                 EL_DYNAMITE             },
3313
3314   { EL_GATE_2_GRAY,                     EL_GATE_1_GRAY          },
3315   { EL_GATE_3_GRAY,                     EL_GATE_1_GRAY          },
3316   { EL_GATE_4_GRAY,                     EL_GATE_1_GRAY          },
3317
3318   { EL_EM_KEY_1,                        EL_KEY_1                },
3319   { EL_EM_KEY_2,                        EL_KEY_2                },
3320   { EL_EM_KEY_3,                        EL_KEY_3                },
3321   { EL_EM_KEY_4,                        EL_KEY_4                },
3322
3323   { EL_EM_GATE_1,                       EL_GATE_1               },
3324   { EL_EM_GATE_2,                       EL_GATE_2               },
3325   { EL_EM_GATE_3,                       EL_GATE_3               },
3326   { EL_EM_GATE_4,                       EL_GATE_4               },
3327
3328   { EL_EM_GATE_1_GRAY,                  EL_GATE_1_GRAY          },
3329   { EL_EM_GATE_2_GRAY,                  EL_GATE_1_GRAY          },
3330   { EL_EM_GATE_3_GRAY,                  EL_GATE_1_GRAY          },
3331   { EL_EM_GATE_4_GRAY,                  EL_GATE_1_GRAY          },
3332
3333   { EL_INVISIBLE_SAND,                  EL_EMPTY                },
3334   { EL_INVISIBLE_WALL,                  EL_EMPTY                },
3335   { EL_INVISIBLE_STEELWALL,             EL_EMPTY                },
3336
3337   { EL_PACMAN,                          EL_YAMYAM               },
3338   { EL_DARK_YAMYAM,                     EL_YAMYAM               },
3339
3340   { EL_BD_MAGIC_WALL,                   EL_MAGIC_WALL           },
3341
3342   { EL_DYNABOMB_INCREASE_NUMBER,        EL_BOMB                 },
3343   { EL_DYNABOMB_INCREASE_SIZE,          EL_BOMB                 },
3344   { EL_DYNABOMB_INCREASE_POWER,         EL_BOMB                 },
3345   { EL_BLACK_ORB,                       EL_BOMB                 },
3346   { EL_DX_SUPABOMB,                     EL_BOMB                 },
3347
3348   { EL_SOKOBAN_OBJECT,                  EL_KEY_1                },
3349   { EL_SOKOBAN_FIELD_EMPTY,             EL_GATE_1_GRAY          },
3350   { EL_SOKOBAN_FIELD_FULL,              EL_GATE_1               },
3351   { EL_SOKOBAN_FIELD_PLAYER,            EL_PLAYER_1             },
3352
3353   { EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY         },
3354   { EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY         },
3355   { EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY         },
3356   { EL_BD_BUTTERFLY_DOWN,               EL_BD_BUTTERFLY         },
3357
3358   { EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY           },
3359   { EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY           },
3360   { EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY           },
3361   { EL_BD_FIREFLY_DOWN,                 EL_BD_FIREFLY           },
3362
3363   { EL_PLAYER_2,                        EL_PLAYER_1             },
3364   { EL_PLAYER_3,                        EL_PLAYER_1             },
3365   { EL_PLAYER_4,                        EL_PLAYER_1             },
3366
3367   { EL_BUG_RIGHT,                       EL_BUG                  },
3368   { EL_BUG_UP,                          EL_BUG                  },
3369   { EL_BUG_LEFT,                        EL_BUG                  },
3370   { EL_BUG_DOWN,                        EL_BUG                  },
3371
3372   { EL_SPACESHIP_RIGHT,                 EL_SPACESHIP            },
3373   { EL_SPACESHIP_UP,                    EL_SPACESHIP            },
3374   { EL_SPACESHIP_LEFT,                  EL_SPACESHIP            },
3375   { EL_SPACESHIP_DOWN,                  EL_SPACESHIP            },
3376
3377   { EL_PACMAN_RIGHT,                    EL_YAMYAM               },
3378   { EL_PACMAN_UP,                       EL_YAMYAM               },
3379   { EL_PACMAN_LEFT,                     EL_YAMYAM               },
3380   { EL_PACMAN_DOWN,                     EL_YAMYAM               },
3381
3382   { -1,                                 -1                      }
3383 };
3384
3385 static struct
3386 {
3387   short element;
3388   char *element_string;
3389 }
3390 forum_sketch_element_strings[] =
3391 {
3392   { EL_PLAYER_1,                "p" },
3393   { EL_EMPTY,                   "_" },
3394   { EL_SAND,                    "s" },
3395   { EL_ROCK,                    "b" },
3396   { EL_EMERALD,                 "e" },
3397   { EL_BUG,                     "u" },
3398   { EL_SPACESHIP,               "h" },
3399   { EL_BD_FIREFLY,              "f" },
3400   { EL_BD_BUTTERFLY,            "b" },
3401   { EL_AMOEBA,                  "a" },
3402   { EL_YAMYAM,                  "y" },
3403   { EL_WALL,                    "w" },
3404   { EL_STEELWALL,               "t" },
3405   { EL_MAGIC_WALL,              "m" },
3406   { EL_EXIT_OPEN,               "x" },
3407   { EL_DYNAMITE,                "d" },
3408   { EL_KEY_1,                   "1" },
3409   { EL_KEY_2,                   "2" },
3410   { EL_KEY_3,                   "3" },
3411   { EL_KEY_4,                   "4" },
3412   { EL_GATE_1,                  "5" },
3413   { EL_GATE_2,                  "6" },
3414   { EL_GATE_3,                  "7" },
3415   { EL_GATE_4,                  "8" },
3416   { EL_GATE_1_GRAY,             "9" },
3417   { EL_BOMB,                    "@" },
3418   { EL_ROBOT,                   "r" },
3419   { EL_ROBOT_WHEEL,             "0" },
3420   { EL_NUT,                     "n" },
3421   { EL_CUSTOM_1,                "c" },
3422   { EL_CHAR_QUESTION,           "?" },
3423
3424   { -1,                         NULL }
3425 };
3426
3427
3428 /*
3429   -----------------------------------------------------------------------------
3430   functions
3431   -----------------------------------------------------------------------------
3432 */
3433
3434 static int getMaxInfoTextLength()
3435 {
3436   return (SXSIZE / getFontWidth(FONT_TEXT_2));
3437 }
3438
3439 static int getTextWidthForGadget(char *text)
3440 {
3441   if (text == NULL)
3442     return 0;
3443
3444   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
3445 }
3446
3447 static int getTextWidthForDrawingArea(char *text)
3448 {
3449   if (text == NULL)
3450     return 0;
3451
3452   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
3453 }
3454
3455 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
3456 {
3457   return (gi->x + gi->width + getTextWidthForGadget(text));
3458 }
3459
3460 static char *getElementInfoText(int element)
3461 {
3462   char *info_text = NULL;
3463
3464   if (element < NUM_FILE_ELEMENTS)
3465   {
3466     if (strlen(element_info[element].description) > 0)
3467       info_text = element_info[element].description;
3468     else if (element_info[element].custom_description != NULL)
3469       info_text = element_info[element].custom_description;
3470     else if (element_info[element].editor_description != NULL)
3471       info_text = element_info[element].editor_description;
3472   }
3473
3474   if (info_text == NULL)
3475     info_text = INFOTEXT_UNKNOWN_ELEMENT;
3476
3477   return info_text;
3478 }
3479
3480 static void ReinitializeElementList()
3481 {
3482   static boolean initialized = FALSE;
3483   int pos = 0;
3484   int i, j;
3485
3486   checked_free(editor_elements);
3487
3488   if (!initialized)
3489   {
3490     /* initialize optional user defined element list */
3491     LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
3492                                      &num_editor_el_user_defined);
3493
3494     /* initialize list of empty elements (used for padding, if needed) */
3495     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
3496       editor_el_empty[i] = EL_EMPTY;
3497
3498     /* do some sanity checks for each element from element list */
3499     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3500     {
3501       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
3502       {
3503         int element = (*editor_elements_info[i].element_list)[j];
3504
3505         if (element >= NUM_FILE_ELEMENTS)
3506           Error(ERR_WARN, "editor element %d is runtime element", element);
3507
3508         if (strcmp(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT) == 0)
3509           Error(ERR_WARN, "no element description for element %d", element);
3510       }
3511     }
3512
3513     initialized = TRUE;
3514   }
3515
3516   num_editor_elements = 0;
3517   use_el_empty = FALSE;
3518
3519   /* determine size of element list */
3520   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3521   {
3522     if (*editor_elements_info[i].setup_value)
3523     {
3524       if (setup.editor.el_headlines)
3525         num_editor_elements += *editor_elements_info[i].headline_list_size;
3526
3527       num_editor_elements += *editor_elements_info[i].element_list_size;
3528     }
3529   }
3530
3531   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
3532   {
3533     /* offer at least as many elements as element buttons exist */
3534     use_el_empty = TRUE;
3535     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
3536
3537     num_editor_elements += num_editor_el_empty;
3538   }
3539
3540   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
3541
3542   /* fill element list */
3543   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3544   {
3545     if (*editor_elements_info[i].setup_value)
3546     {
3547       if (setup.editor.el_headlines)
3548         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
3549           editor_elements[pos++] = (*editor_elements_info[i].headline_list)[j];
3550
3551       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
3552         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
3553     }
3554   }
3555
3556   /* correct position of element list scrollbar */
3557   if (element_shift < 0)
3558     element_shift = 0;
3559   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
3560     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
3561 }
3562
3563 void PrintEditorElementList()
3564 {
3565   boolean *stop = &setup.editor.el_user_defined;
3566   int i, j;
3567
3568   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
3569   {
3570     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
3571     {
3572       int element = (*editor_elements_info[i].headline_list)[j];
3573
3574       printf("# %s\n", element_info[element].token_name);
3575     }
3576
3577     if (j > 0)
3578       printf("#\n");
3579
3580     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
3581     {
3582       int element = (*editor_elements_info[i].element_list)[j];
3583
3584       printf("# %s\n", element_info[element].token_name);
3585     }
3586
3587     if (j > 0)
3588       printf("#\n");
3589   }
3590 }
3591
3592 static void ReinitializeElementListButtons()
3593 {
3594   static boolean last_setup_value_headlines = FALSE;
3595   static boolean initialization_needed = TRUE;
3596   int i;
3597
3598   if (!initialization_needed)   /* check if editor element setup has changed */
3599   {
3600     if (last_setup_value_headlines != setup.editor.el_headlines)
3601       initialization_needed = TRUE;
3602
3603     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3604       if (editor_elements_info[i].last_setup_value !=
3605           *editor_elements_info[i].setup_value)
3606         initialization_needed = TRUE;
3607   }
3608
3609   if (!initialization_needed)
3610     return;
3611
3612   FreeLevelEditorGadgets();
3613   CreateLevelEditorGadgets();
3614
3615   /* store current setup values for next invocation of this function */
3616   last_setup_value_headlines = setup.editor.el_headlines;
3617   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3618     editor_elements_info[i].last_setup_value =
3619       *editor_elements_info[i].setup_value;
3620
3621   initialization_needed = FALSE;
3622 }
3623
3624 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
3625                               boolean input)
3626 {
3627   int border_graphic =
3628     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
3629   Bitmap *src_bitmap;
3630   int src_x, src_y;
3631   int num_mini_tilex = width  / MINI_TILEX + 1;
3632   int num_mini_tiley = height / MINI_TILEY + 1;
3633   int x, y;
3634
3635   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3636
3637   for (y = 0; y < num_mini_tiley; y++)
3638     for (x = 0; x < num_mini_tilex; x++)
3639       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3640                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3641                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3642
3643   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3644 }
3645
3646 static void DrawDrawingArea(int id)
3647 {
3648   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
3649   int x, y;
3650
3651   if (id == ED_DRAWING_ID_RANDOM_BACKGROUND)
3652     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3653                        el2edimg(random_placement_background_element));
3654   else if (id == ED_DRAWING_ID_AMOEBA_CONTENT)
3655     DrawMiniGraphicExt(drawto, gi->x, gi->y, el2edimg(level.amoeba_content));
3656   else if (id == ED_DRAWING_ID_CUSTOM_GRAPHIC)
3657     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3658                        el2edimg(custom_element.gfx_element));
3659   else if (id == ED_DRAWING_ID_CUSTOM_CONTENT)
3660     for (y = 0; y < 3; y++)
3661       for (x = 0; x < 3; x++)
3662         DrawMiniGraphicExt(drawto,
3663                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3664                            el2edimg(custom_element.content[x][y]));
3665   else if (id == ED_DRAWING_ID_CUSTOM_MOVE_ENTER)
3666     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3667                        el2edimg(custom_element.move_enter_element));
3668   else if (id == ED_DRAWING_ID_CUSTOM_MOVE_LEAVE)
3669     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3670                        el2edimg(custom_element.move_leave_element));
3671   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TARGET)
3672     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3673                        el2edimg(custom_element_change.target_element));
3674   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT)
3675     for (y = 0; y < 3; y++)
3676       for (x = 0; x < 3; x++)
3677         DrawMiniGraphicExt(drawto,
3678                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3679                            el2edimg(custom_element_change.content[x][y]));
3680   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER)
3681     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3682                        el2edimg(custom_element_change.trigger_element));
3683   else if (id == ED_DRAWING_ID_GROUP_CONTENT)
3684     for (x = 0; x < group_element_info.num_elements; x++)
3685       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX, gi->y,
3686                          el2edimg(group_element_info.element[x]));
3687   else if (id >= ED_DRAWING_ID_ELEMENT_CONTENT_0 &&
3688            id <= ED_DRAWING_ID_ELEMENT_CONTENT_7)
3689   {
3690     int nr = id - ED_DRAWING_ID_ELEMENT_CONTENT_0;
3691
3692     for (y = 0; y < 3; y++)
3693       for (x = 0; x < 3; x++)
3694         DrawMiniGraphicExt(drawto,
3695                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3696                            el2edimg(level.yamyam_content[nr][x][y]));
3697   }
3698 }
3699
3700 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
3701 {
3702   int x,y;
3703   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
3704   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
3705
3706   BlitBitmap(drawto, drawto,
3707              SX + (dx == -1 ? MINI_TILEX : 0),
3708              SY + (dy == -1 ? MINI_TILEY : 0),
3709              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
3710              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
3711              SX + (dx == +1 ? MINI_TILEX : 0),
3712              SY + (dy == +1 ? MINI_TILEY : 0));
3713   if (dx)
3714   {
3715     x = (dx == 1 ? 0 : ed_fieldx - 1);
3716     for (y = 0; y < ed_fieldy; y++)
3717       DrawMiniElementOrWall(x, y, from_x, from_y);
3718   }
3719   else if (dy)
3720   {
3721     y = (dy == 1 ? 0 : ed_fieldy - 1);
3722     for (x = 0; x < ed_fieldx; x++)
3723       DrawMiniElementOrWall(x, y, from_x, from_y);
3724   }
3725
3726   redraw_mask |= REDRAW_FIELD;
3727   BackToFront();
3728 }
3729
3730 static void CreateControlButtons()
3731 {
3732   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3733   struct GadgetInfo *gi;
3734   unsigned long event_mask;
3735   int i;
3736
3737   /* create toolbox buttons */
3738   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
3739   {
3740     int id = i;
3741     int width, height;
3742     int gd_xoffset, gd_yoffset;
3743     int gd_x1, gd_x2, gd_y1, gd_y2;
3744     int button_type;
3745     int radio_button_nr;
3746     boolean checked;
3747
3748     if (id == GADGET_ID_SINGLE_ITEMS ||
3749         id == GADGET_ID_CONNECTED_ITEMS ||
3750         id == GADGET_ID_LINE ||
3751         id == GADGET_ID_ARC ||
3752         id == GADGET_ID_TEXT ||
3753         id == GADGET_ID_RECTANGLE ||
3754         id == GADGET_ID_FILLED_BOX ||
3755         id == GADGET_ID_FLOOD_FILL ||
3756         id == GADGET_ID_GRAB_BRUSH ||
3757         id == GADGET_ID_PICK_ELEMENT ||
3758         id == GADGET_ID_CUSTOM_COPY_FROM ||
3759         id == GADGET_ID_CUSTOM_COPY_TO ||
3760         id == GADGET_ID_CUSTOM_EXCHANGE)
3761     {
3762       button_type = GD_TYPE_RADIO_BUTTON;
3763       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
3764       checked = (id == drawing_function ? TRUE : FALSE);
3765       event_mask = GD_EVENT_PRESSED;
3766     }
3767     else
3768     {
3769       button_type = GD_TYPE_NORMAL_BUTTON;
3770       radio_button_nr = RADIO_NR_NONE;
3771       checked = FALSE;
3772
3773       if (id == GADGET_ID_WRAP_LEFT ||
3774           id == GADGET_ID_WRAP_RIGHT ||
3775           id == GADGET_ID_WRAP_UP ||
3776           id == GADGET_ID_WRAP_DOWN)
3777         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3778       else
3779         event_mask = GD_EVENT_RELEASED;
3780     }
3781
3782     if (id < ED_NUM_CTRL1_BUTTONS)
3783     {
3784       int x = i % ED_CTRL1_BUTTONS_HORIZ;
3785       int y = i / ED_CTRL1_BUTTONS_HORIZ;
3786
3787       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
3788       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
3789       width = ED_CTRL1_BUTTON_XSIZE;
3790       height = ED_CTRL1_BUTTON_YSIZE;
3791
3792       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
3793       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
3794       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_GFX_YPOS     + gd_yoffset;
3795       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
3796     }
3797     else if (id < ED_NUM_CTRL1_2_BUTTONS)
3798     {
3799       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
3800       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
3801
3802       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
3803       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
3804       width = ED_CTRL2_BUTTON_XSIZE;
3805       height = ED_CTRL2_BUTTON_YSIZE;
3806
3807       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
3808       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
3809       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL2_BUTTONS_GFX_YPOS + gd_yoffset;
3810       gd_y2 = 0;        /* no alternative graphic for these buttons */
3811     }
3812     else
3813     {
3814       int x = (i - ED_NUM_CTRL1_2_BUTTONS) % ED_CTRL3_BUTTONS_HORIZ + 1;
3815       int y = (i - ED_NUM_CTRL1_2_BUTTONS) / ED_CTRL3_BUTTONS_HORIZ;
3816
3817       gd_xoffset = ED_CTRL3_BUTTONS_XPOS + x * ED_CTRL3_BUTTON_XSIZE;
3818       gd_yoffset = ED_CTRL3_BUTTONS_YPOS + y * ED_CTRL3_BUTTON_YSIZE;
3819       width = ED_CTRL3_BUTTON_XSIZE;
3820       height = ED_CTRL3_BUTTON_YSIZE;
3821
3822       gd_x1 = DOOR_GFX_PAGEX6 + gd_xoffset;
3823       gd_x2 = DOOR_GFX_PAGEX5 + gd_xoffset;
3824       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_GFX_YPOS     + gd_yoffset;
3825       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
3826     }
3827
3828     gi = CreateGadget(GDI_CUSTOM_ID, id,
3829                       GDI_CUSTOM_TYPE_ID, i,
3830                       GDI_INFO_TEXT, control_info[i].text,
3831                       GDI_X, EX + gd_xoffset,
3832                       GDI_Y, EY + gd_yoffset,
3833                       GDI_WIDTH, width,
3834                       GDI_HEIGHT, height,
3835                       GDI_TYPE, button_type,
3836                       GDI_STATE, GD_BUTTON_UNPRESSED,
3837                       GDI_RADIO_NR, radio_button_nr,
3838                       GDI_CHECKED, checked,
3839                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3840                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3841                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3842                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3843                       GDI_EVENT_MASK, event_mask,
3844                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3845                       GDI_CALLBACK_ACTION, HandleControlButtons,
3846                       GDI_END);
3847
3848     if (gi == NULL)
3849       Error(ERR_EXIT, "cannot create gadget");
3850
3851     level_editor_gadget[id] = gi;
3852   }
3853
3854   /* create buttons for scrolling of drawing area and element list */
3855   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
3856   {
3857     int id = scrollbutton_info[i].gadget_id;
3858     int x, y, width, height;
3859     int gd_x1, gd_x2, gd_y1, gd_y2;
3860
3861     x = scrollbutton_info[i].x;
3862     y = scrollbutton_info[i].y;
3863
3864     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3865
3866     if (id == GADGET_ID_SCROLL_LIST_UP ||
3867         id == GADGET_ID_SCROLL_LIST_DOWN)
3868     {
3869       x += DX;
3870       y += DY;
3871       width = ED_SCROLLBUTTON2_XSIZE;
3872       height = ED_SCROLLBUTTON2_YSIZE;
3873       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
3874       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
3875       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
3876       gd_y2 = gd_y1;
3877     }
3878     else
3879     {
3880       x += SX;
3881       y += SY;
3882       width = ED_SCROLLBUTTON_XSIZE;
3883       height = ED_SCROLLBUTTON_YSIZE;
3884       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
3885       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
3886       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
3887       gd_y2 = gd_y1;
3888     }
3889
3890     gi = CreateGadget(GDI_CUSTOM_ID, id,
3891                       GDI_CUSTOM_TYPE_ID, i,
3892                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
3893                       GDI_X, x,
3894                       GDI_Y, y,
3895                       GDI_WIDTH, width,
3896                       GDI_HEIGHT, height,
3897                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3898                       GDI_STATE, GD_BUTTON_UNPRESSED,
3899                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3900                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3901                       GDI_EVENT_MASK, event_mask,
3902                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3903                       GDI_CALLBACK_ACTION, HandleControlButtons,
3904                       GDI_END);
3905
3906     if (gi == NULL)
3907       Error(ERR_EXIT, "cannot create gadget");
3908
3909     level_editor_gadget[id] = gi;
3910   }
3911
3912   /* create buttons for element list */
3913   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
3914   {
3915     Bitmap *deco_bitmap;
3916     int deco_x, deco_y, deco_xpos, deco_ypos;
3917     int gd_xoffset, gd_yoffset;
3918     int gd_x1, gd_x2, gd_y;
3919     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
3920     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
3921     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
3922     int element = editor_elements[i];
3923
3924     event_mask = GD_EVENT_RELEASED;
3925
3926     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
3927     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
3928
3929     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
3930     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
3931     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
3932
3933     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
3934     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
3935     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
3936
3937     gi = CreateGadget(GDI_CUSTOM_ID, id,
3938                       GDI_CUSTOM_TYPE_ID, i,
3939                       GDI_INFO_TEXT, getElementInfoText(element),
3940                       GDI_X, DX + gd_xoffset,
3941                       GDI_Y, DY + gd_yoffset,
3942                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
3943                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
3944                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3945                       GDI_STATE, GD_BUTTON_UNPRESSED,
3946                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3947                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3948                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
3949                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
3950                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
3951                       GDI_DECORATION_SHIFTING, 1, 1,
3952                       GDI_EVENT_MASK, event_mask,
3953                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3954                       GDI_CALLBACK_ACTION, HandleControlButtons,
3955                       GDI_END);
3956
3957     if (gi == NULL)
3958       Error(ERR_EXIT, "cannot create gadget");
3959
3960     level_editor_gadget[id] = gi;
3961   }
3962 }
3963
3964 static void CreateCounterButtons()
3965 {
3966   int max_infotext_len = getMaxInfoTextLength();
3967   int i;
3968
3969   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
3970   {
3971     int j;
3972     int x = SX + counterbutton_info[i].x;       /* down count button */
3973     int y = SY + counterbutton_info[i].y;
3974
3975     /* determine horizontal position to the right of specified gadget */
3976     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3977       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
3978            ED_GADGET_TEXT_DISTANCE);
3979
3980     /* determine horizontal offset for leading text */
3981     if (counterbutton_info[i].text_left != NULL)
3982       x += getTextWidthForGadget(counterbutton_info[i].text_left);
3983
3984     for (j = 0; j < 2; j++)
3985     {
3986       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3987       struct GadgetInfo *gi;
3988       int id = (j == 0 ?
3989                 counterbutton_info[i].gadget_id_down :
3990                 counterbutton_info[i].gadget_id_up);
3991       int gd_xoffset;
3992       int gd_x, gd_x1, gd_x2, gd_y;
3993       int x_size, y_size;
3994       unsigned long event_mask;
3995       char infotext[max_infotext_len + 1];
3996
3997       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3998
3999       if (i == ED_COUNTER_ID_SELECT_LEVEL)
4000       {
4001         int sid = (j == 0 ?
4002                    ED_SCROLLBUTTON_ID_AREA_LEFT :
4003                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
4004
4005         event_mask |= GD_EVENT_RELEASED;
4006
4007         if (j == 1)
4008           x += 2 * ED_GADGET_DISTANCE;
4009         y += ED_GADGET_DISTANCE;
4010
4011         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
4012         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
4013         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
4014         x_size = ED_SCROLLBUTTON_XSIZE;
4015         y_size = ED_SCROLLBUTTON_YSIZE;
4016       }
4017       else
4018       {
4019         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
4020         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
4021         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
4022         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
4023         x_size = ED_BUTTON_COUNT_XSIZE;
4024         y_size = ED_BUTTON_COUNT_YSIZE;
4025       }
4026
4027       sprintf(infotext, "%s counter value by 1, 5 or 10",
4028               (j == 0 ? "decrease" : "increase"));
4029
4030       gi = CreateGadget(GDI_CUSTOM_ID, id,
4031                         GDI_CUSTOM_TYPE_ID, i,
4032                         GDI_INFO_TEXT, infotext,
4033                         GDI_X, x,
4034                         GDI_Y, y,
4035                         GDI_WIDTH, x_size,
4036                         GDI_HEIGHT, y_size,
4037                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
4038                         GDI_STATE, GD_BUTTON_UNPRESSED,
4039                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4040                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4041                         GDI_EVENT_MASK, event_mask,
4042                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4043                         GDI_CALLBACK_ACTION, HandleCounterButtons,
4044                         GDI_END);
4045
4046       if (gi == NULL)
4047         Error(ERR_EXIT, "cannot create gadget");
4048
4049       level_editor_gadget[id] = gi;
4050       right_gadget_border[id] =
4051         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
4052
4053       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
4054
4055       if (j == 0)
4056       {
4057         int font_type = FONT_INPUT_1;
4058         int font_type_active = FONT_INPUT_1_ACTIVE;
4059         int gd_width = ED_WIN_COUNT_XSIZE;
4060
4061         id = counterbutton_info[i].gadget_id_text;
4062         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
4063
4064         if (i == ED_COUNTER_ID_SELECT_LEVEL)
4065         {
4066           font_type = FONT_LEVEL_NUMBER;
4067           font_type_active = FONT_LEVEL_NUMBER;
4068
4069           x += 2 * ED_GADGET_DISTANCE;
4070           y -= ED_GADGET_DISTANCE;
4071
4072           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
4073           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
4074           gd_width = ED_WIN_COUNT2_XSIZE;
4075         }
4076         else
4077         {
4078           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
4079           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
4080         }
4081
4082         gi = CreateGadget(GDI_CUSTOM_ID, id,
4083                           GDI_CUSTOM_TYPE_ID, i,
4084                           GDI_INFO_TEXT, "enter counter value",
4085                           GDI_X, x,
4086                           GDI_Y, y,
4087                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
4088                           GDI_NUMBER_VALUE, 0,
4089                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
4090                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
4091                           GDI_TEXT_SIZE, 3,
4092                           GDI_TEXT_FONT, font_type,
4093                           GDI_TEXT_FONT_ACTIVE, font_type_active,
4094                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
4095                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
4096                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4097                           GDI_DESIGN_WIDTH, gd_width,
4098                           GDI_EVENT_MASK, event_mask,
4099                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4100                           GDI_CALLBACK_ACTION, HandleCounterButtons,
4101                           GDI_END);
4102
4103         if (gi == NULL)
4104           Error(ERR_EXIT, "cannot create gadget");
4105
4106         level_editor_gadget[id] = gi;
4107         right_gadget_border[id] =
4108           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
4109
4110         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
4111       }
4112     }
4113   }
4114 }
4115
4116 static void CreateDrawingAreas()
4117 {
4118   int i;
4119
4120   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
4121   {
4122     struct GadgetInfo *gi;
4123     unsigned long event_mask;
4124     int id = drawingarea_info[i].gadget_id;
4125     int x = SX + drawingarea_info[i].x;
4126     int y = SY + drawingarea_info[i].y;
4127     int area_xsize = drawingarea_info[i].area_xsize;
4128     int area_ysize = drawingarea_info[i].area_ysize;
4129
4130     event_mask =
4131       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
4132       GD_EVENT_OFF_BORDERS;
4133
4134     /* determine horizontal position to the right of specified gadget */
4135     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
4136       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
4137            ED_DRAWINGAREA_TEXT_DISTANCE);
4138
4139     /* determine horizontal offset for leading text */
4140     if (drawingarea_info[i].text_left != NULL)
4141       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
4142
4143     gi = CreateGadget(GDI_CUSTOM_ID, id,
4144                       GDI_CUSTOM_TYPE_ID, i,
4145                       GDI_X, x,
4146                       GDI_Y, y,
4147                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
4148                       GDI_AREA_SIZE, area_xsize, area_ysize,
4149                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
4150                       GDI_EVENT_MASK, event_mask,
4151                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
4152                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
4153                       GDI_END);
4154
4155     if (gi == NULL)
4156       Error(ERR_EXIT, "cannot create gadget");
4157
4158     level_editor_gadget[id] = gi;
4159     right_gadget_border[id] =
4160       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
4161   }
4162 }
4163
4164 static void CreateTextInputGadgets()
4165 {
4166   int max_infotext_len = getMaxInfoTextLength();
4167   int i;
4168
4169   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
4170   {
4171     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4172     int gd_x, gd_y;
4173     struct GadgetInfo *gi;
4174     unsigned long event_mask;
4175     char infotext[MAX_OUTPUT_LINESIZE + 1];
4176     int id = textinput_info[i].gadget_id;
4177
4178     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
4179
4180     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
4181     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
4182
4183     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
4184     infotext[max_infotext_len] = '\0';
4185
4186     gi = CreateGadget(GDI_CUSTOM_ID, id,
4187                       GDI_CUSTOM_TYPE_ID, i,
4188                       GDI_INFO_TEXT, infotext,
4189                       GDI_X, SX + textinput_info[i].x,
4190                       GDI_Y, SY + textinput_info[i].y,
4191                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
4192                       GDI_TEXT_VALUE, textinput_info[i].value,
4193                       GDI_TEXT_SIZE, textinput_info[i].size,
4194                       GDI_TEXT_FONT, FONT_INPUT_1,
4195                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
4196                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
4197                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
4198                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4199                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4200                       GDI_EVENT_MASK, event_mask,
4201                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4202                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
4203                       GDI_END);
4204
4205     if (gi == NULL)
4206       Error(ERR_EXIT, "cannot create gadget");
4207
4208     level_editor_gadget[id] = gi;
4209   }
4210 }
4211
4212 static void CreateTextAreaGadgets()
4213 {
4214   int max_infotext_len = getMaxInfoTextLength();
4215   int i;
4216
4217   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
4218   {
4219     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4220     int gd_x, gd_y;
4221     struct GadgetInfo *gi;
4222     unsigned long event_mask;
4223     char infotext[MAX_OUTPUT_LINESIZE + 1];
4224     int id = textarea_info[i].gadget_id;
4225     int area_xsize = textarea_info[i].xsize;
4226     int area_ysize = textarea_info[i].ysize;
4227
4228     event_mask = GD_EVENT_TEXT_LEAVING;
4229
4230     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
4231     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
4232
4233     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
4234     infotext[max_infotext_len] = '\0';
4235
4236     gi = CreateGadget(GDI_CUSTOM_ID, id,
4237                       GDI_CUSTOM_TYPE_ID, i,
4238                       GDI_INFO_TEXT, infotext,
4239                       GDI_X, SX + textarea_info[i].x,
4240                       GDI_Y, SY + textarea_info[i].y,
4241                       GDI_TYPE, GD_TYPE_TEXT_AREA,
4242                       GDI_AREA_SIZE, area_xsize, area_ysize,
4243                       GDI_TEXT_FONT, FONT_INPUT_1,
4244                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
4245                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
4246                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
4247                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4248                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4249                       GDI_EVENT_MASK, event_mask,
4250                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4251                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
4252                       GDI_END);
4253
4254     if (gi == NULL)
4255       Error(ERR_EXIT, "cannot create gadget");
4256
4257     level_editor_gadget[id] = gi;
4258   }
4259 }
4260
4261 static void CreateSelectboxGadgets()
4262 {
4263   int max_infotext_len = getMaxInfoTextLength();
4264   int i, j;
4265
4266   for (i = 0; i < ED_NUM_SELECTBOX; i++)
4267   {
4268     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4269     int gd_x, gd_y;
4270     struct GadgetInfo *gi;
4271     unsigned long event_mask;
4272     char infotext[MAX_OUTPUT_LINESIZE + 1];
4273     int id = selectbox_info[i].gadget_id;
4274     int x = SX + selectbox_info[i].x;
4275     int y = SY + selectbox_info[i].y;
4276
4277     if (selectbox_info[i].size == -1)   /* dynamically determine size */
4278     {
4279       /* (we cannot use -1 for uninitialized values if we directly compare
4280          with results from strlen(), because the '<' and '>' operation will
4281          implicitely cast -1 to an unsigned integer value!) */
4282       selectbox_info[i].size = 0;
4283
4284       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
4285         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
4286           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
4287
4288       selectbox_info[i].size++;         /* add one character empty space */
4289     }
4290
4291     event_mask = GD_EVENT_RELEASED |
4292       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
4293
4294     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
4295     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
4296
4297     /* determine horizontal position to the right of specified gadget */
4298     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
4299       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
4300            ED_GADGET_TEXT_DISTANCE);
4301
4302     /* determine horizontal offset for leading text */
4303     if (selectbox_info[i].text_left != NULL)
4304       x += getTextWidthForGadget(selectbox_info[i].text_left);
4305
4306     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
4307     infotext[max_infotext_len] = '\0';
4308
4309     gi = CreateGadget(GDI_CUSTOM_ID, id,
4310                       GDI_CUSTOM_TYPE_ID, i,
4311                       GDI_INFO_TEXT, infotext,
4312                       GDI_X, x,
4313                       GDI_Y, y,
4314                       GDI_TYPE, GD_TYPE_SELECTBOX,
4315                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
4316                       GDI_TEXT_SIZE, selectbox_info[i].size,
4317                       GDI_TEXT_FONT, FONT_INPUT_1,
4318                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
4319                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
4320                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
4321                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4322                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
4323                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4324                       GDI_EVENT_MASK, event_mask,
4325                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4326                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
4327                       GDI_END);
4328
4329     if (gi == NULL)
4330       Error(ERR_EXIT, "cannot create gadget");
4331
4332     level_editor_gadget[id] = gi;
4333     right_gadget_border[id] =
4334       getRightGadgetBorder(gi, selectbox_info[i].text_right);
4335   }
4336 }
4337
4338 static void CreateTextbuttonGadgets()
4339 {
4340   int max_infotext_len = getMaxInfoTextLength();
4341   int i;
4342
4343   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
4344   {
4345     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4346     int gd_x1, gd_x2, gd_y1, gd_y2;
4347     struct GadgetInfo *gi;
4348     unsigned long event_mask;
4349     char infotext[MAX_OUTPUT_LINESIZE + 1];
4350     int id = textbutton_info[i].gadget_id;
4351     int x = SX + textbutton_info[i].x;
4352     int y = SY + textbutton_info[i].y;
4353
4354     if (textbutton_info[i].size == -1)  /* dynamically determine size */
4355       textbutton_info[i].size = strlen(textbutton_info[i].text);
4356
4357     event_mask = GD_EVENT_RELEASED;
4358
4359     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
4360     {
4361       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
4362       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
4363       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
4364       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
4365     }
4366     else
4367     {
4368       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
4369       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
4370       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
4371       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
4372     }
4373
4374     sprintf(infotext, "%s", textbutton_info[i].infotext);
4375     infotext[max_infotext_len] = '\0';
4376
4377     /* determine horizontal position to the right of specified gadget */
4378     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4379       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
4380            ED_GADGET_TEXT_DISTANCE);
4381
4382     /* determine horizontal offset for leading text */
4383     if (textbutton_info[i].text_left != NULL)
4384       x += getTextWidthForGadget(textbutton_info[i].text_left);
4385
4386     gi = CreateGadget(GDI_CUSTOM_ID, id,
4387                       GDI_CUSTOM_TYPE_ID, i,
4388                       GDI_INFO_TEXT, infotext,
4389                       GDI_X, x,
4390                       GDI_Y, y,
4391                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
4392                       GDI_TEXT_VALUE, textbutton_info[i].text,
4393                       GDI_TEXT_SIZE, textbutton_info[i].size,
4394                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
4395                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
4396                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4397                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
4398                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
4399                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
4400                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4401                       GDI_DECORATION_SHIFTING, 1, 1,
4402                       GDI_EVENT_MASK, event_mask,
4403                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4404                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
4405                       GDI_END);
4406
4407     if (gi == NULL)
4408       Error(ERR_EXIT, "cannot create gadget");
4409
4410     level_editor_gadget[id] = gi;
4411     right_gadget_border[id] =
4412       getRightGadgetBorder(gi, textbutton_info[i].text_right);
4413   }
4414 }
4415
4416 static void CreateGraphicbuttonGadgets()
4417 {
4418   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4419   struct GadgetInfo *gi;
4420   unsigned long event_mask;
4421   int i;
4422
4423   /* create buttons for scrolling of drawing area and element list */
4424   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
4425   {
4426     int id = graphicbutton_info[i].gadget_id;
4427     int gd_x1, gd_x2, gd_y1, gd_y2;
4428     int x = SX + graphicbutton_info[i].x;
4429     int y = SY + graphicbutton_info[i].y;
4430
4431     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
4432
4433     gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
4434     gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
4435     gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
4436     gd_y2 = gd_y1;
4437
4438     /* determine horizontal position to the right of specified gadget */
4439     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4440       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
4441            ED_GADGET_TEXT_DISTANCE);
4442
4443     /* determine horizontal offset for leading text */
4444     if (graphicbutton_info[i].text_left != NULL)
4445       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
4446
4447     gi = CreateGadget(GDI_CUSTOM_ID, id,
4448                       GDI_CUSTOM_TYPE_ID, i,
4449                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
4450                       GDI_X, x,
4451                       GDI_Y, y,
4452                       GDI_WIDTH, graphicbutton_info[i].width,
4453                       GDI_HEIGHT, graphicbutton_info[i].height,
4454                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
4455                       GDI_STATE, GD_BUTTON_UNPRESSED,
4456                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4457                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
4458                       GDI_EVENT_MASK, event_mask,
4459                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4460                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
4461                       GDI_END);
4462
4463     if (gi == NULL)
4464       Error(ERR_EXIT, "cannot create gadget");
4465
4466     level_editor_gadget[id] = gi;
4467     right_gadget_border[id] =
4468       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
4469   }
4470 }
4471
4472 static void CreateScrollbarGadgets()
4473 {
4474   int i;
4475
4476   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
4477   {
4478     int id = scrollbar_info[i].gadget_id;
4479     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4480     int gd_x1, gd_x2, gd_y1, gd_y2;
4481     struct GadgetInfo *gi;
4482     int items_max, items_visible, item_position;
4483     unsigned long event_mask;
4484
4485     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
4486     {
4487       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
4488       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
4489       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
4490     }
4491     else        /* drawing area scrollbars */
4492     {
4493       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
4494       {
4495         items_max = MAX(lev_fieldx + 2, ed_fieldx);
4496         items_visible = ed_fieldx;
4497         item_position = 0;
4498       }
4499       else
4500       {
4501         items_max = MAX(lev_fieldy + 2, ed_fieldy);
4502         items_visible = ed_fieldy;
4503         item_position = 0;
4504       }
4505     }
4506
4507     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
4508
4509     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
4510     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
4511                       scrollbar_info[i].height : scrollbar_info[i].width));
4512     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
4513     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
4514
4515     gi = CreateGadget(GDI_CUSTOM_ID, id,
4516                       GDI_CUSTOM_TYPE_ID, i,
4517                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
4518                       GDI_X, scrollbar_info[i].x,
4519                       GDI_Y, scrollbar_info[i].y,
4520                       GDI_WIDTH, scrollbar_info[i].width,
4521                       GDI_HEIGHT, scrollbar_info[i].height,
4522                       GDI_TYPE, scrollbar_info[i].type,
4523                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
4524                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
4525                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
4526                       GDI_STATE, GD_BUTTON_UNPRESSED,
4527                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4528                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
4529                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4530                       GDI_EVENT_MASK, event_mask,
4531                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4532                       GDI_CALLBACK_ACTION, HandleControlButtons,
4533                       GDI_END);
4534
4535     if (gi == NULL)
4536       Error(ERR_EXIT, "cannot create gadget");
4537
4538     level_editor_gadget[id] = gi;
4539   }
4540 }
4541
4542 static void CreateCheckbuttonGadgets()
4543 {
4544   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4545   struct GadgetInfo *gi;
4546   unsigned long event_mask;
4547   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
4548   int i;
4549
4550   event_mask = GD_EVENT_PRESSED;
4551
4552   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4553   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4554   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
4555   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
4556   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
4557
4558   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
4559   {
4560     int id = checkbutton_info[i].gadget_id;
4561     int x = SX + checkbutton_info[i].x;
4562     int y = SY + checkbutton_info[i].y;
4563
4564     if (id == GADGET_ID_STICK_ELEMENT)
4565       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
4566     else
4567       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
4568
4569     /* determine horizontal position to the right of specified gadget */
4570     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4571       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
4572            ED_GADGET_TEXT_DISTANCE);
4573
4574     /* determine horizontal offset for leading text */
4575     if (checkbutton_info[i].text_left != NULL)
4576       x += getTextWidthForGadget(checkbutton_info[i].text_left);
4577
4578     gi = CreateGadget(GDI_CUSTOM_ID, id,
4579                       GDI_CUSTOM_TYPE_ID, i,
4580                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
4581                       GDI_X, x,
4582                       GDI_Y, y,
4583                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
4584                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
4585                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
4586                       GDI_CHECKED, *checkbutton_info[i].value,
4587                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4588                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4589                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
4590                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
4591                       GDI_EVENT_MASK, event_mask,
4592                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4593                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
4594                       GDI_END);
4595
4596     if (gi == NULL)
4597       Error(ERR_EXIT, "cannot create gadget");
4598
4599     level_editor_gadget[id] = gi;
4600     right_gadget_border[id] =
4601       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
4602   }
4603 }
4604
4605 static void CreateRadiobuttonGadgets()
4606 {
4607   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4608   struct GadgetInfo *gi;
4609   unsigned long event_mask;
4610   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
4611   int i;
4612
4613   event_mask = GD_EVENT_PRESSED;
4614
4615   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4616   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4617   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
4618   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
4619   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
4620
4621   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
4622   {
4623     int id = radiobutton_info[i].gadget_id;
4624     int x = SX + radiobutton_info[i].x;
4625     int y = SY + radiobutton_info[i].y;
4626
4627     int checked =
4628       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
4629
4630     /* determine horizontal position to the right of specified gadget */
4631     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
4632       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
4633            ED_GADGET_TEXT_DISTANCE);
4634
4635     /* determine horizontal offset for leading text */
4636     if (radiobutton_info[i].text_left != NULL)
4637       x += getTextWidthForGadget(radiobutton_info[i].text_left);
4638
4639     gi = CreateGadget(GDI_CUSTOM_ID, id,
4640                       GDI_CUSTOM_TYPE_ID, i,
4641                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
4642                       GDI_X, x,
4643                       GDI_Y, y,
4644                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
4645                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
4646                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
4647                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
4648                       GDI_CHECKED, checked,
4649                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4650                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4651                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
4652                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
4653                       GDI_EVENT_MASK, event_mask,
4654                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4655                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
4656                       GDI_END);
4657
4658     if (gi == NULL)
4659       Error(ERR_EXIT, "cannot create gadget");
4660
4661     level_editor_gadget[id] = gi;
4662     right_gadget_border[id] =
4663       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
4664   }
4665 }
4666
4667 void CreateLevelEditorGadgets()
4668 {
4669   int old_game_status = game_status;
4670
4671   /* setting 'game_status' is needed to get the right fonts for the editor */
4672   game_status = GAME_MODE_EDITOR;
4673
4674   ReinitializeElementList();
4675
4676   CreateControlButtons();
4677   CreateScrollbarGadgets();
4678
4679   /* order of function calls is important because of cross-references */
4680   CreateCheckbuttonGadgets();
4681   CreateCounterButtons();
4682   CreateRadiobuttonGadgets();
4683   CreateTextInputGadgets();
4684   CreateTextAreaGadgets();
4685   CreateSelectboxGadgets();
4686   CreateGraphicbuttonGadgets();
4687   CreateTextbuttonGadgets();
4688   CreateDrawingAreas();
4689
4690   game_status = old_game_status;
4691 }
4692
4693 void FreeLevelEditorGadgets()
4694 {
4695   int i;
4696
4697   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
4698     FreeGadget(level_editor_gadget[i]);
4699 }
4700
4701 static void MapCounterButtons(int id)
4702 {
4703   int gadget_id_down = counterbutton_info[id].gadget_id_down;
4704   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
4705   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
4706   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
4707 #if 0
4708   char infotext[MAX_OUTPUT_LINESIZE + 1];
4709   int max_infotext_len = getMaxInfoTextLength();
4710   int xoffset_left = 0;
4711   int yoffset_left = ED_BORDER_SIZE;
4712   int xoffset_right = getCounterGadgetWidth();
4713   int yoffset_right = ED_BORDER_SIZE;
4714 #else
4715   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
4716   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4717   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
4718   int yoffset = ED_BORDER_SIZE;
4719   int x_left = gi_down->x - xoffset_left;
4720   int x_right = gi_up->x + gi_up->width + xoffset_right;
4721   int y_above = gi_down->y - yoffset_above;
4722   int x = gi_down->x;
4723   int y = gi_up->y + yoffset;
4724 #endif
4725
4726   if (counterbutton_info[id].text_above)
4727     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
4728
4729   if (counterbutton_info[id].text_left)
4730     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
4731
4732   if (counterbutton_info[id].text_right)
4733     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
4734
4735   ModifyEditorCounter(id, *counterbutton_info[id].value);
4736
4737   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
4738   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
4739   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
4740 }
4741
4742 static void MapControlButtons()
4743 {
4744   int counter_id;
4745   int i;
4746
4747   /* map toolbox buttons (excluding special CE toolbox buttons) */
4748   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
4749     MapGadget(level_editor_gadget[i]);
4750
4751   /* map buttons to select elements */
4752   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
4753     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
4754   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
4755   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
4756   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
4757
4758   /* map buttons to select level */
4759   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
4760   ModifyEditorCounterLimits(counter_id,
4761                             leveldir_current->first_level,
4762                             leveldir_current->last_level);
4763   MapCounterButtons(counter_id);
4764 }
4765
4766 static void MapDrawingArea(int id)
4767 {
4768   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
4769   int area_xsize = gi->drawing.area_xsize;
4770   int area_ysize = gi->drawing.area_ysize;
4771   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
4772   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
4773   int x_left  = gi->x - xoffset_left;
4774   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
4775   int x_below = gi->x + (gi->width - xoffset_below) / 2;
4776   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
4777   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
4778
4779   if (drawingarea_info[id].text_left)
4780     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
4781
4782   if (drawingarea_info[id].text_right)
4783     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
4784
4785   if (drawingarea_info[id].text_below)
4786     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
4787
4788   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
4789   {
4790     DrawElementBorder(gi->x, gi->y,
4791                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
4792
4793     DrawDrawingArea(id);
4794   }
4795
4796   MapGadget(gi);
4797 }
4798
4799 static void MapTextInputGadget(int id)
4800 {
4801   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
4802   int xoffset_above = 0;
4803   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
4804   int x_above = textinput_info[id].x + xoffset_above;
4805   int y_above = textinput_info[id].y + yoffset_above;
4806
4807   if (textinput_info[id].text_above)
4808     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
4809
4810   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
4811
4812   MapGadget(gi);
4813 }
4814
4815 static void MapTextAreaGadget(int id)
4816 {
4817   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
4818   int xoffset_above = 0;
4819   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
4820   int x_above = textarea_info[id].x + xoffset_above;
4821   int y_above = textarea_info[id].y + yoffset_above;
4822
4823   if (textarea_info[id].text_above)
4824     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
4825
4826   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
4827
4828   MapGadget(gi);
4829 }
4830
4831 static void MapSelectboxGadget(int id)
4832 {
4833   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
4834   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
4835   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4836   int yoffset = ED_BORDER_SIZE;
4837   int x_left = gi->x - xoffset_left;
4838   int x_right = gi->x + gi->width + xoffset_right;
4839   int y = gi->y + yoffset;
4840
4841   if (selectbox_info[id].text_left)
4842     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
4843
4844   if (selectbox_info[id].text_right)
4845     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
4846
4847   ModifyEditorSelectbox(id, *selectbox_info[id].value);
4848
4849   MapGadget(gi);
4850 }
4851
4852 static void MapTextbuttonGadget(int id)
4853 {
4854   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
4855   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
4856   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4857   int yoffset = ED_BORDER_SIZE;
4858   int x_left = gi->x - xoffset_left;
4859   int x_right = gi->x + gi->width + xoffset_right;
4860   int y = gi->y + yoffset;
4861
4862   /* only show button to delete change pages when more than minimum pages */
4863   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
4864       custom_element.num_change_pages == MIN_CHANGE_PAGES)
4865     return;
4866
4867   if (textbutton_info[id].text_left)
4868     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
4869
4870   if (textbutton_info[id].text_right)
4871     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
4872
4873   MapGadget(gi);
4874 }
4875
4876 static void MapGraphicbuttonGadget(int id)
4877 {
4878   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
4879   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
4880   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4881   int yoffset = ED_BORDER_SIZE;
4882   int x_left = gi->x - xoffset_left;
4883   int x_right = gi->x + gi->width + xoffset_right;
4884   int y = gi->y + yoffset;
4885
4886   if (graphicbutton_info[id].text_left)
4887     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
4888
4889   if (graphicbutton_info[id].text_right)
4890     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
4891
4892   MapGadget(gi);
4893 }
4894
4895 static void MapRadiobuttonGadget(int id)
4896 {
4897   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
4898   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
4899   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4900   int yoffset = ED_BORDER_SIZE;
4901   int x_left = gi->x - xoffset_left;
4902   int x_right = gi->x + gi->width + xoffset_right;
4903   int y = gi->y + yoffset;
4904   boolean checked =
4905     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
4906
4907   if (radiobutton_info[id].text_left)
4908     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
4909
4910   if (radiobutton_info[id].text_right)
4911     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
4912
4913   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
4914
4915   MapGadget(gi);
4916 }
4917
4918 static void MapCheckbuttonGadget(int id)
4919 {
4920   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
4921   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
4922   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4923   int yoffset = ED_BORDER_SIZE;
4924   int x_left = gi->x - xoffset_left;
4925   int x_right = gi->x + gi->width + xoffset_right;
4926   int y = gi->y + yoffset;
4927
4928   /* special case needed for "sticky" gadget */
4929   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value,
4930                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
4931   y = gi->y + yoffset;
4932
4933   if (checkbutton_info[id].text_left)
4934     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
4935
4936   if (checkbutton_info[id].text_right)
4937     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
4938
4939   MapGadget(gi);
4940 }
4941
4942 static void MapMainDrawingArea()
4943 {
4944   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
4945   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
4946   int i;
4947
4948   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
4949   {
4950     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
4951           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
4952          no_horizontal_scrollbar) ||
4953         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
4954           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
4955          no_vertical_scrollbar))
4956       continue;
4957
4958     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
4959   }
4960
4961   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
4962   {
4963     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
4964         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
4965       continue;
4966
4967     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
4968   }
4969
4970   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
4971 }
4972
4973 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
4974 {
4975   int i;
4976
4977   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
4978   {
4979     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
4980         i == GADGET_ID_CUSTOM_COPY_TO ||
4981         i == GADGET_ID_CUSTOM_EXCHANGE)
4982     {
4983       if (map)
4984         MapGadget(level_editor_gadget[i]);
4985       else
4986         UnmapGadget(level_editor_gadget[i]);
4987     }
4988   }
4989 }
4990
4991 static void MapLevelEditorToolboxCustomGadgets()
4992 {
4993   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
4994 }
4995
4996 static void UnmapLevelEditorToolboxCustomGadgets()
4997 {
4998   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
4999 }
5000
5001 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
5002 {
5003   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5004   int i;
5005
5006   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
5007   {
5008     if (i != GADGET_ID_SINGLE_ITEMS &&
5009         i != GADGET_ID_PROPERTIES &&
5010         i != GADGET_ID_PICK_ELEMENT)
5011     {
5012       struct GadgetInfo *gi = level_editor_gadget[i];
5013
5014       if (map)
5015         MapGadget(gi);
5016       else
5017       {
5018         UnmapGadget(gi);
5019
5020         BlitBitmap(gd_bitmap, drawto,
5021                    DOOR_GFX_PAGEX6 + ED_CTRL_NO_BUTTONS_GFX_XPOS,
5022                    DOOR_GFX_PAGEY1 + ED_CTRL_NO_BUTTONS_GFX_YPOS,
5023                    gi->width, gi->height, gi->x, gi->y);
5024
5025         redraw_mask |= REDRAW_DOOR_3;
5026       }
5027     }
5028   }
5029 }
5030
5031 static void MapLevelEditorToolboxDrawingGadgets()
5032 {
5033   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
5034 }
5035
5036 static void UnmapLevelEditorToolboxDrawingGadgets()
5037 {
5038   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
5039 }
5040
5041 static void UnmapDrawingArea(int id)
5042 {
5043   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
5044 }
5045
5046 static void UnmapLevelEditorWindowGadgets()
5047 {
5048   int i;
5049
5050   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
5051     if (level_editor_gadget[i]->x < SX + SXSIZE)
5052       UnmapGadget(level_editor_gadget[i]);
5053 }
5054
5055 void UnmapLevelEditorGadgets()
5056 {
5057   int i;
5058
5059   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
5060     UnmapGadget(level_editor_gadget[i]);
5061 }
5062
5063 static void ResetUndoBuffer()
5064 {
5065   undo_buffer_position = -1;
5066   undo_buffer_steps = -1;
5067   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5068 }
5069
5070 static void DrawEditModeWindow()
5071 {
5072   ModifyEditorElementList();
5073   RedrawDrawingElements();
5074
5075   if (edit_mode == ED_MODE_INFO)
5076     DrawLevelInfoWindow();
5077   else if (edit_mode == ED_MODE_PROPERTIES)
5078     DrawPropertiesWindow();
5079   else  /* edit_mode == ED_MODE_DRAWING */
5080     DrawDrawingWindow();
5081 }
5082
5083 static boolean LevelChanged()
5084 {
5085   boolean level_changed = FALSE;
5086   int x, y;
5087
5088   for (y = 0; y < lev_fieldy; y++)
5089     for (x = 0; x < lev_fieldx; x++)
5090       if (Feld[x][y] != level.field[x][y])
5091         level_changed = TRUE;
5092
5093   return level_changed;
5094 }
5095
5096 static boolean LevelContainsPlayer()
5097 {
5098   boolean player_found = FALSE;
5099   int x, y;
5100
5101   for (y = 0; y < lev_fieldy; y++)
5102     for (x = 0; x < lev_fieldx; x++)
5103       if (Feld[x][y] == EL_PLAYER_1 ||
5104           Feld[x][y] == EL_SP_MURPHY)
5105         player_found = TRUE;
5106
5107   return player_found;
5108 }
5109
5110 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
5111                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
5112 {
5113   int x, y;
5114
5115   for (x = 0; x < lev_fieldx; x++)
5116     for (y = 0; y < lev_fieldy; y++)
5117       dst[x][y] = src[x][y];
5118 }
5119
5120 static int setSelectboxValue(int selectbox_id, int new_value)
5121 {
5122   int new_index_value = 0;
5123   int i;
5124
5125   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
5126     if (selectbox_info[selectbox_id].options[i].value == new_value)
5127       new_index_value = i;
5128
5129   *selectbox_info[selectbox_id].value =
5130     selectbox_info[selectbox_id].options[new_index_value].value;
5131
5132   return new_index_value;
5133 }
5134
5135 static void copy_custom_element_settings(int element_from, int element_to)
5136 {
5137 #if 1
5138   struct ElementInfo ei_to_old = element_info[element_to];
5139   struct ElementInfo *ei_from = &element_info[element_from];
5140   struct ElementInfo *ei_to = &element_info[element_to];
5141   int i;
5142
5143   /* ---------- copy whole element structure ---------- */
5144   *ei_to = *ei_from;
5145
5146   /* ---------- restore structure pointers which cannot be copied ---------- */
5147   ei_to->token_name         = ei_to_old.token_name;
5148   ei_to->class_name         = ei_to_old.class_name;
5149   ei_to->editor_description = ei_to_old.editor_description;
5150   ei_to->custom_description = ei_to_old.custom_description;
5151   ei_to->change_page        = ei_to_old.change_page;
5152   ei_to->change             = ei_to_old.change;
5153   ei_to->group              = ei_to_old.group;
5154
5155   /* ---------- copy element base properties ---------- */
5156   Properties[element_to][EP_BITFIELD_BASE] =
5157     Properties[element_from][EP_BITFIELD_BASE];
5158
5159   /* ---------- reinitialize and copy change pages ---------- */
5160   setElementChangePages(ei_to, ei_to->num_change_pages);
5161
5162   for (i=0; i < ei_to->num_change_pages; i++)
5163     ei_to->change_page[i] = ei_from->change_page[i];
5164
5165   /* ---------- copy group element info ---------- */
5166   if (ei_from->group != NULL && ei_to->group != NULL)   /* group or internal */
5167     *ei_to->group = *ei_from->group;
5168
5169 #else
5170
5171   struct ElementInfo *ei_from = &element_info[element_from];
5172   struct ElementInfo *ei_to = &element_info[element_to];
5173   int i, x, y;
5174
5175   /* ---------- copy element description ---------- */
5176   for (i = 0; i < MAX_ELEMENT_NAME_LEN + 1; i++)
5177     ei_to->description[i] = ei_from->description[i];
5178
5179   /* ---------- copy element properties ---------- */
5180   Properties[element_to][EP_BITFIELD_BASE] =
5181     Properties[element_from][EP_BITFIELD_BASE];
5182
5183   /* ---------- copy custom property values ---------- */
5184
5185   ei_to->use_gfx_element = ei_from->use_gfx_element;
5186   ei_to->gfx_element = ei_from->gfx_element;
5187
5188   ei_to->collect_score = ei_from->collect_score;
5189   ei_to->collect_count = ei_from->collect_count;
5190
5191   ei_to->push_delay_fixed = ei_from->push_delay_fixed;
5192   ei_to->push_delay_random = ei_from->push_delay_random;
5193   ei_to->move_delay_fixed = ei_from->move_delay_fixed;
5194   ei_to->move_delay_random = ei_from->move_delay_random;
5195
5196   ei_to->move_pattern = ei_from->move_pattern;
5197   ei_to->move_direction_initial = ei_from->move_direction_initial;
5198   ei_to->move_stepsize = ei_from->move_stepsize;
5199
5200   ei_to->slippery_type = ei_from->slippery_type;
5201
5202   for (y = 0; y < 3; y++)
5203     for (x = 0; x < 3; x++)
5204       ei_to->content[x][y] = ei_from->content[x][y];
5205
5206   ei_to->num_change_pages = ei_from->num_change_pages;
5207   setElementChangePages(ei_to, ei_to->num_change_pages);
5208
5209   for (i=0; i < ei_to->num_change_pages; i++)
5210   {
5211     struct ElementChangeInfo *change_to = &ei_to->change_page[i];
5212     struct ElementChangeInfo *change_from = &ei_from->change_page[i];
5213
5214     /* always start with reliable default values */
5215     setElementChangeInfoToDefaults(change_to);
5216
5217     change_to->events = change_from->events;
5218
5219     change_to->target_element = change_from->target_element;
5220
5221     change_to->delay_fixed = change_from->delay_fixed;
5222     change_to->delay_random = change_from->delay_random;
5223     change_to->delay_frames = change_from->delay_frames;
5224
5225     change_to->trigger_element = change_from->trigger_element;
5226
5227     change_to->explode = change_from->explode;
5228     change_to->use_content = change_from->use_content;
5229     change_to->only_complete = change_from->only_complete;
5230     change_to->use_random_change = change_from->use_random_change;
5231
5232     change_to->random = change_from->random;
5233     change_to->power = change_from->power;
5234
5235     for (y = 0; y < 3; y++)
5236       for (x = 0; x < 3; x++)
5237         change_to->content[x][y] = change_from->content[x][y];
5238
5239     change_to->can_change = change_from->can_change;
5240
5241     change_to->sides = change_from->sides;
5242   }
5243 #endif
5244
5245   /* mark this custom element as modified */
5246   ei_to->modified_settings = TRUE;
5247 }
5248
5249 static void replace_custom_element_in_settings(int element_from,
5250                                                int element_to)
5251 {
5252   int i, j, x, y;
5253
5254   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5255   {
5256     struct ElementInfo *ei = &element_info[i];
5257
5258     for (y = 0; y < 3; y++)
5259       for (x = 0; x < 3; x++)
5260         if (ei->content[x][y] == element_from)
5261           ei->content[x][y] = element_to;
5262
5263     for (j = 0; j < ei->num_change_pages; j++)
5264     {
5265       struct ElementChangeInfo *change = &ei->change_page[j];
5266
5267       if (change->target_element == element_from)
5268         change->target_element = element_to;
5269
5270       if (change->trigger_element == element_from)
5271         change->trigger_element = element_to;
5272
5273       for (y = 0; y < 3; y++)
5274         for (x = 0; x < 3; x++)
5275           if (change->content[x][y] == element_from)
5276             change->content[x][y] = element_to;
5277     }
5278
5279     if (ei->group != NULL)                              /* group or internal */
5280       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
5281         if (ei->group->element[j] == element_from)
5282           ei->group->element[j] = element_to;
5283   }
5284 }
5285
5286 static void replace_custom_element_in_playfield(int element_from,
5287                                                 int element_to)
5288 {
5289   int x, y;
5290
5291   for (x = 0; x < lev_fieldx; x++)
5292     for (y = 0; y < lev_fieldy; y++)
5293       if (Feld[x][y] == element_from)
5294         Feld[x][y] = element_to;
5295 }
5296
5297 static boolean CopyCustomElement(int element_old, int element_new,
5298                                  int copy_mode)
5299 {
5300   if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
5301   {
5302     Request("Please choose custom element !", REQ_CONFIRM);
5303
5304     return FALSE;
5305   }
5306   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
5307   {
5308     Request("Please choose group element !", REQ_CONFIRM);
5309
5310     return FALSE;
5311   }
5312
5313   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
5314   {
5315     copy_custom_element_settings(element_new, element_old);
5316   }
5317   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
5318   {
5319     copy_custom_element_settings(element_old, element_new);
5320   }
5321   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
5322   {
5323     copy_custom_element_settings(element_old, EL_INTERNAL_EDITOR);
5324     copy_custom_element_settings(element_new, element_old);
5325     copy_custom_element_settings(EL_INTERNAL_EDITOR, element_new);
5326
5327     replace_custom_element_in_settings(element_old, EL_INTERNAL_EDITOR);
5328     replace_custom_element_in_settings(element_new, element_old);
5329     replace_custom_element_in_settings(EL_INTERNAL_EDITOR, element_new);
5330
5331     replace_custom_element_in_playfield(element_old, EL_INTERNAL_EDITOR);
5332     replace_custom_element_in_playfield(element_new, element_old);
5333     replace_custom_element_in_playfield(EL_INTERNAL_EDITOR, element_new);
5334   }
5335
5336   UpdateCustomElementGraphicGadgets();
5337   DrawPropertiesWindow();
5338
5339   return TRUE;
5340 }
5341
5342 static void CopyCustomElementPropertiesToEditor(int element)
5343 {
5344   int i;
5345   int current_change_page = element_info[element].current_change_page;
5346
5347   /* dynamically (re)build selectbox for selecting change page */
5348   for (i = 0; i < element_info[element].num_change_pages; i++)
5349   {
5350     sprintf(options_change_page_strings[i], "%d", i + 1);
5351
5352     options_change_page[i].value = i;
5353     options_change_page[i].text = options_change_page_strings[i];
5354   }
5355
5356   options_change_page[i].value = -1;
5357   options_change_page[i].text = NULL;
5358
5359   /* needed here to initialize combined element properties */
5360   InitElementPropertiesEngine(level.game_version);
5361
5362   element_info[element].change =
5363     &element_info[element].change_page[current_change_page];
5364
5365   custom_element = element_info[element];
5366   custom_element_change = *element_info[element].change;
5367
5368   /* needed to initially set selectbox value variables to reliable defaults */
5369   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5370     setSelectboxValue(i, *selectbox_info[i].value);
5371
5372   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
5373     custom_element_properties[i] = HAS_PROPERTY(element, i);
5374
5375   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
5376     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
5377
5378   /* ---------- element settings: configure (custom elements) ------------- */
5379
5380   /* set accessible layer selectbox help value */
5381   custom_element.access_type =
5382     (IS_WALKABLE(element) ? EP_WALKABLE :
5383      IS_PASSABLE(element) ? EP_PASSABLE :
5384      custom_element.access_type);
5385   custom_element.access_layer =
5386     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
5387      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
5388      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
5389      custom_element.access_layer);
5390   custom_element_properties[EP_ACCESSIBLE] =
5391     (IS_ACCESSIBLE_OVER(element) ||
5392      IS_ACCESSIBLE_INSIDE(element) ||
5393      IS_ACCESSIBLE_UNDER(element));
5394
5395   /* set walk-to-object action selectbox help value */
5396   custom_element.walk_to_action =
5397     (IS_DIGGABLE(element) ? EP_DIGGABLE :
5398      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
5399      IS_DROPPABLE(element) ? EP_DROPPABLE :
5400      IS_PUSHABLE(element) ? EP_PUSHABLE :
5401      custom_element.walk_to_action);
5402   custom_element_properties[EP_WALK_TO_OBJECT] =
5403     (IS_DIGGABLE(element) ||
5404      IS_COLLECTIBLE_ONLY(element) ||
5405      IS_DROPPABLE(element) ||
5406      IS_PUSHABLE(element));
5407
5408   /* set smash targets selectbox help value */
5409   custom_element.smash_targets =
5410     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
5411      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
5412      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
5413      custom_element.smash_targets);
5414   custom_element_properties[EP_CAN_SMASH] =
5415     (CAN_SMASH_EVERYTHING(element) ||
5416      CAN_SMASH_ENEMIES(element) ||
5417      CAN_SMASH_PLAYER(element));
5418
5419   /* set deadliness selectbox help value */
5420   custom_element.deadliness =
5421     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
5422      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
5423      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
5424      custom_element.deadliness);
5425   custom_element_properties[EP_DEADLY] =
5426     (DONT_TOUCH(element) ||
5427      DONT_COLLIDE_WITH(element) ||
5428      DONT_RUN_INTO(element));
5429
5430   /* set consistency selectbox help value */
5431   custom_element.consistency =
5432     (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
5433      CAN_EXPLODE_1X1(element) ? EP_CAN_EXPLODE_1X1 :
5434      CAN_EXPLODE_3X3(element) ? EP_CAN_EXPLODE_3X3 :
5435      CAN_EXPLODE_DYNA(element) ? EP_CAN_EXPLODE_DYNA :
5436      custom_element.consistency);
5437   custom_element_properties[EP_EXPLODE_RESULT] =
5438     (IS_INDESTRUCTIBLE(element) ||
5439      CAN_EXPLODE_1X1(element) ||
5440      CAN_EXPLODE_3X3(element) ||
5441      CAN_EXPLODE_DYNA(element));
5442
5443   /* special case: sub-settings dependent from main setting */
5444   if (CAN_EXPLODE_BY_FIRE(element))
5445     custom_element.can_explode_by_fire = TRUE;
5446   if (CAN_EXPLODE_SMASHED(element))
5447     custom_element.can_explode_smashed = TRUE;
5448   if (CAN_EXPLODE_IMPACT(element))
5449     custom_element.can_explode_impact  = TRUE;
5450
5451   /* ---------- element settings: advanced (custom elements) --------------- */
5452
5453   /* set "change by direct action" selectbox help value */
5454   custom_element_change.direct_action =
5455     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
5456      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
5457      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
5458      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
5459      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
5460      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
5461      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
5462      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
5463      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
5464      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
5465      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
5466      custom_element_change.direct_action);
5467
5468   /* set "change by other element action" selectbox help value */
5469   custom_element_change.other_action =
5470     (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
5471      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
5472      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
5473      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_ENTERED) ? CE_OTHER_GETS_ENTERED :
5474      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_LEFT) ? CE_OTHER_GETS_LEFT :
5475      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DIGGED) ? CE_OTHER_GETS_DIGGED :
5476      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
5477      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DROPPED) ? CE_OTHER_GETS_DROPPED :
5478      HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
5479      HAS_CHANGE_EVENT(element, CE_OTHER_IS_HITTING) ? CE_OTHER_IS_HITTING :
5480      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_HIT) ? CE_OTHER_GETS_HIT :
5481      HAS_CHANGE_EVENT(element, CE_OTHER_IS_SWITCHING) ? CE_OTHER_IS_SWITCHING :
5482      HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
5483      HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
5484      custom_element_change.other_action);
5485 }
5486
5487 static void CopyGroupElementPropertiesToEditor(int element)
5488 {
5489   group_element_info = *element_info[element].group;
5490   custom_element = element_info[element];       /* needed for description */
5491 }
5492
5493 static void CopyElementPropertiesToEditor(int element)
5494 {
5495   if (IS_CUSTOM_ELEMENT(element))
5496     CopyCustomElementPropertiesToEditor(element);
5497   else if (IS_GROUP_ELEMENT(element))
5498     CopyGroupElementPropertiesToEditor(element);
5499 }
5500
5501 static void CopyCustomElementPropertiesToGame(int element)
5502 {
5503   int i;
5504   int access_type_and_layer;
5505
5506   /* mark that this custom element has been modified */
5507   custom_element.modified_settings = TRUE;
5508
5509   if (level.use_custom_template)
5510   {
5511     if (Request("Copy and modify level template ?", REQ_ASK))
5512     {
5513       level.use_custom_template = FALSE;
5514       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
5515                    GDI_CHECKED, FALSE, GDI_END);
5516     }
5517     else
5518     {
5519       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
5520
5521       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
5522     }
5523   }
5524
5525   element_info[element] = custom_element;
5526   *element_info[element].change = custom_element_change;
5527
5528   /* ---------- element settings: configure (custom elements) ------------- */
5529
5530   /* set accessible property from checkbox and selectbox */
5531   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
5532   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
5533   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
5534   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
5535   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
5536   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
5537   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
5538                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
5539                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
5540   custom_element_properties[access_type_and_layer] =
5541     custom_element_properties[EP_ACCESSIBLE];
5542
5543   /* set walk-to-object property from checkbox and selectbox */
5544   custom_element_properties[EP_DIGGABLE] = FALSE;
5545   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
5546   custom_element_properties[EP_DROPPABLE] = FALSE;
5547   custom_element_properties[EP_PUSHABLE] = FALSE;
5548   custom_element_properties[custom_element.walk_to_action] =
5549     custom_element_properties[EP_WALK_TO_OBJECT];
5550
5551   /* set smash property from checkbox and selectbox */
5552   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
5553   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
5554   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
5555   custom_element_properties[custom_element.smash_targets] =
5556     custom_element_properties[EP_CAN_SMASH];
5557
5558   /* set deadliness property from checkbox and selectbox */
5559   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
5560   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
5561   custom_element_properties[EP_DONT_TOUCH] = FALSE;
5562   custom_element_properties[custom_element.deadliness] =
5563     custom_element_properties[EP_DEADLY];
5564
5565   /* set consistency property from checkbox and selectbox */
5566   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
5567   custom_element_properties[EP_CAN_EXPLODE_1X1] = FALSE;
5568   custom_element_properties[EP_CAN_EXPLODE_3X3] = FALSE;
5569   custom_element_properties[EP_CAN_EXPLODE_DYNA] = FALSE;
5570   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
5571   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
5572   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
5573   custom_element_properties[custom_element.consistency] =
5574     custom_element_properties[EP_EXPLODE_RESULT];
5575
5576   /* special case: sub-settings dependent from main setting */
5577   if (custom_element_properties[EP_CAN_EXPLODE_1X1] ||
5578       custom_element_properties[EP_CAN_EXPLODE_3X3] ||
5579       custom_element_properties[EP_CAN_EXPLODE_DYNA])
5580   {
5581     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
5582       custom_element.can_explode_by_fire;
5583     custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
5584       custom_element.can_explode_smashed;
5585     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
5586       custom_element.can_explode_impact;
5587   }
5588
5589   /* ---------- element settings: advanced (custom elements) --------------- */
5590
5591   /* set player change event from checkbox and selectbox */
5592   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
5593   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
5594   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
5595   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
5596   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
5597   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
5598   custom_element_change_events[CE_SWITCHED] = FALSE;
5599   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
5600   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
5601   custom_element_change_events[CE_IMPACT] = FALSE;
5602   custom_element_change_events[CE_SMASHED] = FALSE;
5603   custom_element_change_events[custom_element_change.direct_action] =
5604     custom_element_change_events[CE_BY_DIRECT_ACTION];
5605
5606   /* set other element action change event from checkbox and selectbox */
5607   custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
5608   custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
5609   custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
5610   custom_element_change_events[CE_OTHER_GETS_ENTERED] = FALSE;
5611   custom_element_change_events[CE_OTHER_GETS_LEFT] = FALSE;
5612   custom_element_change_events[CE_OTHER_GETS_DIGGED] = FALSE;
5613   custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
5614   custom_element_change_events[CE_OTHER_GETS_DROPPED] = FALSE;
5615   custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
5616   custom_element_change_events[CE_OTHER_IS_HITTING] = FALSE;
5617   custom_element_change_events[CE_OTHER_GETS_HIT] = FALSE;
5618   custom_element_change_events[CE_OTHER_IS_SWITCHING] = FALSE;
5619   custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
5620   custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
5621   custom_element_change_events[custom_element_change.other_action] =
5622     custom_element_change_events[CE_BY_OTHER_ACTION];
5623
5624   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
5625     SET_PROPERTY(element, i, custom_element_properties[i]);
5626
5627   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
5628     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
5629
5630   /* copy change events also to special level editor variable */
5631   custom_element = element_info[element];
5632   custom_element_change = *element_info[element].change;
5633 }
5634
5635 static void CopyGroupElementPropertiesToGame(int element)
5636 {
5637   element_info[element] = custom_element;
5638   *element_info[element].group = group_element_info;
5639
5640   /* mark that this group element has been modified */
5641   element_info[element].modified_settings = TRUE;
5642 }
5643
5644 static void CopyElementPropertiesToGame(int element)
5645 {
5646   if (IS_CUSTOM_ELEMENT(element))
5647     CopyCustomElementPropertiesToGame(element);
5648   else if (IS_GROUP_ELEMENT(element))
5649     CopyGroupElementPropertiesToGame(element);
5650 }
5651
5652 void DrawLevelEd()
5653 {
5654   CloseDoor(DOOR_CLOSE_ALL);
5655   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
5656
5657   if (level_editor_test_game)
5658   {
5659     CopyPlayfield(level.field, Feld);
5660     CopyPlayfield(FieldBackup, level.field);
5661
5662     level_editor_test_game = FALSE;
5663   }
5664   else
5665   {
5666     edit_mode = ED_MODE_DRAWING;
5667     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
5668
5669     ResetUndoBuffer();
5670
5671     level_xpos = -1;
5672     level_ypos = -1;
5673   }
5674
5675   /* copy default editor door content to main double buffer */
5676   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
5677              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
5678
5679 #if 0
5680   /* draw mouse button brush elements */
5681   RedrawDrawingElements();
5682 #endif
5683
5684   /* draw bigger door */
5685   DrawSpecialEditorDoor();
5686
5687   /* draw new control window */
5688   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
5689              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
5690
5691   redraw_mask |= REDRAW_ALL;
5692
5693   ReinitializeElementListButtons();     /* only needed after setup changes */
5694 #if 0
5695   ModifyEditorElementList();            /* may be needed for custom elements */
5696 #endif
5697
5698   UnmapTapeButtons();
5699   MapControlButtons();
5700
5701   DrawEditModeWindow();
5702
5703   /* copy actual editor door content to door double buffer for OpenDoor() */
5704   BlitBitmap(drawto, bitmap_db_door,
5705              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
5706
5707   OpenDoor(DOOR_OPEN_1);
5708 }
5709
5710 static void AdjustDrawingAreaGadgets()
5711 {
5712   int ed_xsize = lev_fieldx + 2;
5713   int ed_ysize = lev_fieldy + 2;
5714   int max_ed_fieldx = MAX_ED_FIELDX;
5715   int max_ed_fieldy = MAX_ED_FIELDY;
5716   boolean horizontal_scrollbar_needed;
5717   boolean vertical_scrollbar_needed;
5718   int x, y, width, height;
5719   int xoffset, yoffset;
5720
5721   /* check if we need any scrollbars */
5722   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
5723   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
5724
5725   /* check if we have a smaller editor field because of scrollbars */
5726   if (horizontal_scrollbar_needed)
5727     max_ed_fieldy = MAX_ED_FIELDY - 1;
5728   if (vertical_scrollbar_needed)
5729     max_ed_fieldx = MAX_ED_FIELDX - 1;
5730
5731   /* check again if we now need more scrollbars because of less space */
5732   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
5733   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
5734
5735   /* check if editor field gets even smaller after adding new scrollbars */
5736   if (horizontal_scrollbar_needed)
5737     max_ed_fieldy = MAX_ED_FIELDY - 1;
5738   if (vertical_scrollbar_needed)
5739     max_ed_fieldx = MAX_ED_FIELDX - 1;
5740
5741   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
5742   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
5743
5744   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
5745                GDI_WIDTH, ed_fieldx * MINI_TILEX,
5746                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
5747                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
5748                GDI_END);
5749
5750   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
5751   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
5752
5753   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
5754   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
5755
5756   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
5757   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
5758
5759   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
5760   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
5761
5762   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5763                GDI_WIDTH, width,
5764                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
5765                GDI_END);
5766   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5767                GDI_HEIGHT, height,
5768                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
5769                GDI_END);
5770 }
5771
5772 static void AdjustLevelScrollPosition()
5773 {
5774   if (level_xpos < -1)
5775     level_xpos = -1;
5776   if (level_xpos > lev_fieldx - ed_fieldx + 1)
5777     level_xpos = lev_fieldx - ed_fieldx + 1;
5778   if (lev_fieldx < ed_fieldx - 2)
5779     level_xpos = -1;
5780
5781   if (level_ypos < -1)
5782     level_ypos = -1;
5783   if (level_ypos > lev_fieldy - ed_fieldy + 1)
5784     level_ypos = lev_fieldy - ed_fieldy + 1;
5785   if (lev_fieldy < ed_fieldy - 2)
5786     level_ypos = -1;
5787 }
5788
5789 static void AdjustEditorScrollbar(int id)
5790 {
5791   struct GadgetInfo *gi = level_editor_gadget[id];
5792   int items_max, items_visible, item_position;
5793
5794   if (id == GADGET_ID_SCROLL_HORIZONTAL)
5795   {
5796     items_max = MAX(lev_fieldx + 2, ed_fieldx);
5797     items_visible = ed_fieldx;
5798     item_position = level_xpos + 1;
5799   }
5800   else
5801   {
5802     items_max = MAX(lev_fieldy + 2, ed_fieldy);
5803     items_visible = ed_fieldy;
5804     item_position = level_ypos + 1;
5805   }
5806
5807   if (item_position > items_max - items_visible)
5808     item_position = items_max - items_visible;
5809
5810   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
5811                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
5812 }
5813
5814 static void ModifyEditorCounter(int counter_id, int new_value)
5815 {
5816   int *counter_value = counterbutton_info[counter_id].value;
5817   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
5818   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5819
5820   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
5821
5822   if (counter_value != NULL)
5823     *counter_value = gi->textinput.number_value;
5824 }
5825
5826 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
5827 {
5828   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
5829   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5830
5831   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
5832 }
5833
5834 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
5835 {
5836   int gadget_id = selectbox_info[selectbox_id].gadget_id;
5837   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5838   int new_index_value = setSelectboxValue(selectbox_id, new_value);
5839
5840   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
5841 }
5842
5843 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
5844 {
5845   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
5846   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5847
5848   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
5849 }
5850
5851 static void ModifyEditorElementList()
5852 {
5853   int i;
5854
5855   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5856   {
5857     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
5858     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5859     struct GadgetDesign *gd = &gi->deco.design;
5860     int element = editor_elements[element_shift + i];
5861
5862     UnmapGadget(gi);
5863     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
5864     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
5865     MapGadget(gi);
5866   }
5867 }
5868
5869 static void PickDrawingElement(int button, int element)
5870 {
5871   if (button < 1 || button > 3)
5872     return;
5873
5874   if (button == 1)
5875   {
5876     new_element1 = element;
5877     DrawMiniGraphicExt(drawto,
5878                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
5879                        el2edimg(new_element1));
5880   }
5881   else if (button == 2)
5882   {
5883     new_element2 = element;
5884     DrawMiniGraphicExt(drawto,
5885                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
5886                        el2edimg(new_element2));
5887   }
5888   else
5889   {
5890     new_element3 = element;
5891     DrawMiniGraphicExt(drawto,
5892                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
5893                        el2edimg(new_element3));
5894   }
5895
5896   redraw_mask |= REDRAW_DOOR_1;
5897 }
5898
5899 static void RedrawDrawingElements()
5900 {
5901   PickDrawingElement(1, new_element1);
5902   PickDrawingElement(2, new_element2);
5903   PickDrawingElement(3, new_element3);
5904 }
5905
5906 static void DrawDrawingWindow()
5907 {
5908   stick_element_properties_window = FALSE;
5909
5910   SetMainBackgroundImage(IMG_UNDEFINED);
5911   ClearWindow();
5912
5913   UnmapLevelEditorWindowGadgets();
5914   UnmapLevelEditorToolboxCustomGadgets();
5915
5916   AdjustDrawingAreaGadgets();
5917   AdjustLevelScrollPosition();
5918   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
5919   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
5920
5921   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5922
5923   MapMainDrawingArea();
5924   MapLevelEditorToolboxDrawingGadgets();
5925 }
5926
5927 static void DrawLevelInfoWindow()
5928 {
5929   int i;
5930
5931   stick_element_properties_window = FALSE;
5932
5933   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
5934   ClearWindow();
5935   UnmapLevelEditorWindowGadgets();
5936
5937   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
5938            "Level Settings", FONT_TITLE_1);
5939   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
5940            "Editor Settings", FONT_TITLE_1);
5941
5942   /* draw counter gadgets */
5943   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
5944     MapCounterButtons(i);
5945
5946   /* draw checkbutton gadgets */
5947   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i <= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
5948     MapCheckbuttonGadget(i);
5949
5950   /* draw radiobutton gadgets */
5951   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i <= ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
5952     MapRadiobuttonGadget(i);
5953
5954   /* draw text input gadgets */
5955   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
5956     MapTextInputGadget(i);
5957
5958   /* draw drawing area */
5959   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
5960 }
5961
5962 static void DrawCustomContentArea()
5963 {
5964   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
5965   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5966   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
5967   int x2 = right_gadget_border[GADGET_ID_CUSTOM_CONSISTENCY];
5968   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
5969   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
5970
5971   /* add distance for potential left text (without drawing area border) */
5972   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
5973
5974   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
5975
5976   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
5977 }
5978
5979 static void DrawCustomChangeContentArea()
5980 {
5981   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
5982   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5983   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
5984   int x2 = right_gadget_border[GADGET_ID_CHANGE_POWER];
5985   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
5986   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
5987
5988   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
5989
5990   MapDrawingArea(id);
5991 }
5992
5993 static void DrawElementContentAreas()
5994 {
5995   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
5996   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
5997   int i;
5998
5999   /* display counter to choose number of element content areas */
6000   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
6001
6002   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
6003   {
6004     int id = ED_DRAWING_ID_ELEMENT_CONTENT_0 + i;
6005     int font_height = getFontHeight(FONT_TEXT_1);
6006
6007     if (i < level.num_yamyam_contents)
6008       MapDrawingArea(id);
6009     else
6010     {
6011       UnmapDrawingArea(id);
6012
6013       /* delete content areas in case of reducing number of them */
6014       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
6015                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
6016                      4 * MINI_TILEX,
6017                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
6018     }
6019   }
6020
6021   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
6022   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
6023   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
6024 }
6025
6026 static void DrawGroupElementArea(int element)
6027 {
6028   int num_elements = group_element_info.num_elements;
6029   int id = ED_DRAWING_ID_GROUP_CONTENT;
6030   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
6031   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
6032   int xsize = MAX_ELEMENTS_IN_GROUP;
6033   int ysize = 1;
6034
6035   if (drawingarea_info[id].text_left != NULL)
6036     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6037
6038   UnmapDrawingArea(id);
6039
6040   ModifyEditorDrawingArea(id, num_elements, 1);
6041
6042   /* delete content areas in case of reducing number of them */
6043   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
6044
6045   MapDrawingArea(id);
6046 }
6047
6048 static void DrawEnvelopeTextArea(int envelope_nr)
6049 {
6050   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
6051   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6052
6053   UnmapGadget(gi);
6054   DrawBackground(gi->x, gi->y, gi->width, gi->height);
6055
6056   if (envelope_nr != -1)
6057     textarea_info[id].value = level.envelope_text[envelope_nr];
6058
6059   ModifyGadget(gi, GDI_AREA_SIZE,
6060                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
6061                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
6062                GDI_END);
6063
6064   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
6065 }
6066
6067 char *getElementDescriptionFilename(int element)
6068 {
6069   char *docs_dir = options.docs_directory;
6070   char *elements_subdir = "elements";
6071   static char *filename = NULL;
6072   char basename[MAX_FILENAME_LEN];
6073
6074   checked_free(filename);
6075
6076   /* 1st try: look for element description file for exactly this element */
6077   sprintf(basename, "%s.txt", element_info[element].token_name);
6078   filename = getPath3(docs_dir, elements_subdir, basename);
6079   if (fileExists(filename))
6080     return filename;
6081
6082   free(filename);
6083
6084   /* 2nd try: look for element description file for this element's class */
6085   sprintf(basename, "%s.txt", element_info[element].class_name);
6086   filename = getPath3(docs_dir, elements_subdir, basename);
6087   if (fileExists(filename))
6088     return filename;
6089
6090   return NULL;
6091 }
6092
6093 static boolean PrintInfoText(char *text, int font_nr, int start_line)
6094 {
6095   int font_height = getFontHeight(font_nr);
6096   int pad_x = ED_SETTINGS_XPOS(0);
6097   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
6098   int sx = SX + pad_x;
6099   int sy = SY + pad_y;
6100   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
6101
6102   if (start_line >= max_lines_per_screen)
6103     return FALSE;
6104
6105   DrawText(sx, sy + start_line * font_height, text, font_nr);
6106
6107   return TRUE;
6108 }
6109
6110 #if 1
6111
6112 static int PrintElementDescriptionFromFile(char *filename, int start_line)
6113 {
6114   int font_nr = FONT_TEXT_2;
6115   int font_width = getFontWidth(font_nr);
6116   int font_height = getFontHeight(font_nr);
6117   int pad_x = ED_SETTINGS_XPOS(0);
6118   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
6119   int sx = SX + pad_x;
6120   int sy = SY + pad_y + start_line * font_height;
6121   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
6122   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
6123
6124   return DrawTextFromFile(sx, sy, filename, font_nr, max_chars_per_line,
6125                           max_lines_per_screen);
6126 }
6127
6128 #else
6129
6130 static int PrintElementDescriptionFromFile(char *filename, int start_line)
6131 {
6132   int font_nr = FONT_TEXT_2;
6133   int font_width = getFontWidth(font_nr);
6134   int font_height = getFontHeight(font_nr);
6135   int pad_x = ED_SETTINGS_XPOS(0);
6136   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
6137   int sx = SX + pad_x;
6138   int sy = SY + pad_y;
6139   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
6140   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
6141   int current_line = start_line;
6142   char line[MAX_LINE_LEN];
6143   char buffer[max_chars_per_line + 1];
6144   int buffer_len;
6145   FILE *file;
6146
6147   if (current_line >= max_lines_per_screen)
6148     return 0;
6149
6150   if (filename == NULL)
6151     return 0;
6152
6153   if (!(file = fopen(filename, MODE_READ)))
6154     return 0;
6155
6156   buffer[0] = '\0';
6157   buffer_len = 0;
6158
6159   while (!feof(file) && current_line < max_lines_per_screen)
6160   {
6161     char *line_ptr;
6162     boolean last_line_was_empty = TRUE;
6163
6164     /* read next line of input file */
6165     if (!fgets(line, MAX_LINE_LEN, file))
6166       break;
6167
6168     /* skip comments (lines directly beginning with '#') */
6169     if (line[0] == '#')
6170       continue;
6171
6172     /* cut trailing newline from input line */
6173     for (line_ptr = line; *line_ptr; line_ptr++)
6174     {
6175       if (*line_ptr == '\n' || *line_ptr == '\r')
6176       {
6177         *line_ptr = '\0';
6178         break;
6179       }
6180     }
6181
6182     if (strlen(line) == 0)              /* special case: force empty line */
6183       strcpy(line, "\n");
6184
6185     line_ptr = line;
6186
6187     while (*line_ptr && current_line < max_lines_per_screen)
6188     {
6189       boolean buffer_filled = RenderLineToBuffer(&line_ptr,
6190                                                  buffer, &buffer_len,
6191                                                  last_line_was_empty,
6192                                                  max_chars_per_line);
6193       if (buffer_filled)
6194       {
6195         DrawText(sx, sy + current_line * font_height, buffer, font_nr);
6196         current_line++;
6197
6198         last_line_was_empty = (buffer_len == 0);
6199
6200         buffer[0] = '\0';
6201         buffer_len = 0;
6202       }
6203     }
6204   }
6205
6206   fclose(file);
6207
6208   if (buffer_len > 0 && current_line < max_lines_per_screen)
6209   {
6210     DrawText(sx, sy + current_line * font_height, buffer, font_nr);
6211     current_line++;
6212   }
6213
6214   return (current_line - start_line);
6215 }
6216
6217 #endif
6218
6219 static void DrawPropertiesTabulatorGadgets()
6220 {
6221   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
6222   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
6223   int gd_x = gd->x + gd_gi->border.width / 2;
6224   int gd_y = gd->y + gd_gi->height - 1;
6225   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
6226   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
6227   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
6228   int i;
6229
6230   /* draw additional "advanced" tabulator for custom elements */
6231   if (IS_CUSTOM_ELEMENT(properties_element) ||
6232       IS_GROUP_ELEMENT(properties_element))
6233     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
6234
6235   for (i = id_first; i <= id_last; i++)
6236   {
6237     int gadget_id = textbutton_info[i].gadget_id;
6238     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
6239     boolean active = (i != edit_mode_properties);
6240
6241     /* draw background line below tabulator button */
6242     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
6243
6244     /* draw solid line below inactive tabulator buttons */
6245     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
6246       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
6247
6248     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
6249     MapTextbuttonGadget(i);
6250   }
6251
6252   /* draw little border line below tabulator buttons */
6253   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
6254     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
6255                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
6256                   ED_GADGET_DISTANCE, tab_color);
6257 }
6258
6259 static void DrawPropertiesInfo()
6260 {
6261   static struct
6262   {
6263     int value;
6264     char *text;
6265   }
6266   properties[] =
6267   {
6268     /* configurable properties */
6269
6270     { EP_WALKABLE_OVER,         "- player can walk over it"             },
6271     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
6272     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
6273     { EP_PASSABLE_OVER,         "- player can pass over it"             },
6274     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
6275     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
6276
6277     { EP_DIGGABLE,              "- can be digged away"                  },
6278     { EP_COLLECTIBLE,           "- can be collected"                    },
6279     { EP_DROPPABLE,             "- can be dropped after collecting"     },
6280     { EP_PUSHABLE,              "- can be pushed"                       },
6281
6282     { EP_CAN_MOVE,              "- can move"                            },
6283     { EP_CAN_FALL,              "- can fall"                            },
6284
6285     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
6286 #if 0
6287     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
6288 #endif
6289     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
6290
6291     { EP_SLIPPERY,              "- slippery for falling objects"        },
6292     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
6293
6294     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
6295     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
6296     { EP_DONT_TOUCH,            "- deadly when touching"                },
6297
6298     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
6299
6300     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
6301     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
6302     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
6303
6304     { EP_CAN_CHANGE,            "- can change to other element"         },
6305
6306     /* pre-defined properties */
6307     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
6308     { EP_HAS_CONTENT,           "- can contain other elements"          },
6309
6310     { -1,                       NULL                                    }
6311   };
6312   char *filename = getElementDescriptionFilename(properties_element);
6313   char *percentage_text = "In this level:";
6314   char *properties_text = "Standard properties:";
6315   float percentage;
6316   int num_elements_in_level;
6317   int num_standard_properties = 0;
6318   int font1_nr = FONT_TEXT_1;
6319   int font2_nr = FONT_TEXT_2;
6320   int font1_width = getFontWidth(font1_nr);
6321   int font2_height = getFontHeight(font2_nr);
6322   int pad_x = ED_SETTINGS_XPOS(0);
6323   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
6324   int screen_line = 0;
6325   int i, x, y;
6326
6327 #if DEBUG
6328   if (IS_CUSTOM_ELEMENT(properties_element))
6329   {
6330     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
6331               "[Custom Element %d]", properties_element - EL_CUSTOM_START + 1);
6332     screen_line++;
6333   }
6334   else if (IS_GROUP_ELEMENT(properties_element))
6335   {
6336     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
6337               "[Group Element %d]", properties_element - EL_GROUP_START + 1);
6338     screen_line++;
6339   }
6340 #endif
6341
6342   /* ----- print number of elements / percentage of this element in level */
6343
6344   num_elements_in_level = 0;
6345   for (y = 0; y < lev_fieldy; y++)
6346     for (x = 0; x < lev_fieldx; x++)
6347       if (Feld[x][y] == properties_element)
6348         num_elements_in_level++;
6349   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
6350
6351   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
6352             percentage_text);
6353   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
6354             pad_y + screen_line++ * font2_height, font2_nr,
6355             "%d (%.2f%%)", num_elements_in_level, percentage);
6356
6357   screen_line++;
6358
6359   /* ----- print standard properties of this element */
6360
6361   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
6362             properties_text);
6363
6364   for (i = 0; properties[i].value != -1; i++)
6365   {
6366     if (!HAS_PROPERTY(properties_element, properties[i].value))
6367       continue;
6368
6369     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
6370               properties[i].text);
6371     num_standard_properties++;
6372   }
6373
6374   if (num_standard_properties == 0)
6375     DrawTextS(pad_x + strlen(properties_text) * font1_width,
6376               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
6377
6378   screen_line++;
6379
6380   /* ----- print special description of this element */
6381
6382   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
6383   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
6384     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
6385 }
6386
6387 #define TEXT_COLLECTING         "Score for collecting"
6388 #define TEXT_SMASHING           "Score for smashing"
6389 #define TEXT_CRACKING           "Score for cracking"
6390 #define TEXT_SPEED              "Speed of amoeba growth"
6391 #define TEXT_DURATION           "Duration when activated"
6392
6393 static struct
6394 {
6395   int element;
6396   int *value;
6397   char *text;
6398 } elements_with_counter[] =
6399 {
6400   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
6401   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
6402   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
6403   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
6404   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
6405   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
6406   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
6407   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
6408   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
6409   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
6410   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
6411   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
6412   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
6413   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
6414   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
6415   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
6416   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
6417   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
6418   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6419   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6420   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6421   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6422   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6423   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6424   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6425   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6426   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6427   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
6428   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
6429   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
6430   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
6431   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
6432   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
6433   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
6434   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
6435   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
6436   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
6437   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
6438   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
6439   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
6440   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
6441   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
6442   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
6443   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
6444   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
6445   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
6446 #if 1
6447   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
6448   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
6449   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
6450   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
6451 #else
6452   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6453   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6454   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6455   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6456 #endif
6457   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
6458   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
6459   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
6460   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
6461   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
6462   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
6463   { -1,                 NULL,                           NULL            }
6464 };
6465
6466 static boolean checkPropertiesConfig()
6467 {
6468   int i;
6469
6470   if (IS_GEM(properties_element) ||
6471       IS_CUSTOM_ELEMENT(properties_element) ||
6472       IS_GROUP_ELEMENT(properties_element) ||
6473       IS_ENVELOPE(properties_element) ||
6474       ELEM_IS_PLAYER(properties_element) ||
6475       HAS_CONTENT(properties_element))
6476     return TRUE;
6477   else
6478     for (i = 0; elements_with_counter[i].element != -1; i++)
6479       if (elements_with_counter[i].element == properties_element)
6480         return TRUE;
6481
6482   return FALSE;
6483 }
6484
6485 static void DrawPropertiesConfig()
6486 {
6487   int i;
6488
6489   if (!checkPropertiesConfig())
6490   {
6491     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
6492
6493     return;
6494   }
6495
6496   /* check if there are elements where a score can be chosen for */
6497   for (i = 0; elements_with_counter[i].element != -1; i++)
6498   {
6499     if (elements_with_counter[i].element == properties_element)
6500     {
6501       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
6502
6503       counterbutton_info[counter_id].value = elements_with_counter[i].value;
6504       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
6505       MapCounterButtons(counter_id);
6506
6507       break;
6508     }
6509   }
6510
6511   if (HAS_CONTENT(properties_element))
6512   {
6513     /* draw stickybutton gadget */
6514     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
6515     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
6516     MapCheckbuttonGadget(i);
6517
6518     if (IS_AMOEBOID(properties_element))
6519       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
6520     else
6521       DrawElementContentAreas();
6522   }
6523
6524   if (IS_GEM(properties_element))
6525     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
6526
6527   if (ELEM_IS_PLAYER(properties_element))
6528     MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
6529                          ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
6530                          ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
6531
6532   if (IS_ENVELOPE(properties_element))
6533   {
6534     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
6535     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
6536     int envelope_nr = properties_element - EL_ENVELOPE_1;
6537
6538     counterbutton_info[counter1_id].value = &level.envelope_xsize[envelope_nr];
6539     counterbutton_info[counter2_id].value = &level.envelope_ysize[envelope_nr];
6540
6541     /* display counter to choose size of envelope text area */
6542     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_XSIZE);
6543     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_YSIZE);
6544
6545     DrawEnvelopeTextArea(envelope_nr);
6546   }
6547
6548   if (IS_CUSTOM_ELEMENT(properties_element))
6549   {
6550     /* draw stickybutton gadget */
6551     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
6552     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
6553     MapCheckbuttonGadget(i);
6554
6555     /* draw checkbutton gadgets */
6556     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
6557          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
6558       MapCheckbuttonGadget(i);
6559
6560     /* draw counter gadgets */
6561     for (i = ED_COUNTER_ID_CUSTOM_FIRST; i <= ED_COUNTER_ID_CUSTOM_LAST; i++)
6562       MapCounterButtons(i);
6563
6564     /* draw selectbox gadgets */
6565     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
6566       MapSelectboxGadget(i);
6567
6568     /* draw drawing area gadgets */
6569     DrawCustomContentArea();
6570     MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
6571     MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
6572
6573     /* draw text input gadgets */
6574     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
6575   }
6576   else if (IS_GROUP_ELEMENT(properties_element))
6577   {
6578     /* draw stickybutton gadget */
6579     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
6580     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
6581     MapCheckbuttonGadget(i);
6582
6583     /* draw counter gadgets */
6584     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
6585
6586     /* draw selectbox gadgets */
6587     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
6588
6589     /* draw drawing area gadgets */
6590     DrawGroupElementArea(properties_element);
6591
6592     /* draw text input gadgets */
6593     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
6594   }
6595 }
6596
6597 static void DrawPropertiesAdvancedDrawingAreas()
6598 {
6599   MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
6600
6601   if (IS_CUSTOM_ELEMENT(properties_element))
6602   {
6603     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
6604     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
6605
6606     DrawCustomChangeContentArea();
6607   }
6608
6609   redraw_mask |= REDRAW_FIELD;
6610 }
6611
6612 static void DrawPropertiesAdvanced()
6613 {
6614   int i;
6615
6616   /* draw stickybutton gadget */
6617   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
6618   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
6619   MapCheckbuttonGadget(i);
6620
6621   if (IS_CUSTOM_ELEMENT(properties_element))
6622   {
6623     /* draw checkbutton gadgets */
6624     for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
6625          i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
6626     MapCheckbuttonGadget(i);
6627
6628     /* draw counter gadgets */
6629     for (i =  ED_COUNTER_ID_CHANGE_FIRST;
6630          i <= ED_COUNTER_ID_CHANGE_LAST; i++)
6631       MapCounterButtons(i);
6632
6633     /* draw selectbox gadgets */
6634     for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
6635          i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
6636       MapSelectboxGadget(i);
6637
6638     /* draw textbutton gadgets */
6639     for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
6640          i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
6641       MapTextbuttonGadget(i);
6642
6643     /* draw graphicbutton gadgets */
6644     for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
6645          i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
6646       MapGraphicbuttonGadget(i);
6647   }
6648   else if (IS_GROUP_ELEMENT(properties_element))
6649   {
6650     /* draw checkbutton gadgets */
6651     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
6652     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
6653
6654     /* draw textbutton gadgets */
6655     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
6656   }
6657
6658   /* draw drawing area gadgets */
6659   DrawPropertiesAdvancedDrawingAreas();
6660 }
6661
6662 static void DrawElementName(int x, int y, int element)
6663 {
6664   char *element_name = getElementInfoText(element);
6665   int font_nr = FONT_TEXT_1;
6666   int font_width = getFontWidth(font_nr);
6667   int font_height = getFontHeight(font_nr);
6668   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
6669   int max_chars_per_line = max_text_width / font_width;
6670   char buffer[max_chars_per_line + 1];
6671
6672   if (strlen(element_name) <= max_chars_per_line)
6673     DrawTextS(x, y, font_nr, element_name);
6674   else
6675   {
6676     int next_pos = max_chars_per_line;
6677
6678     strncpy(buffer, element_name, max_chars_per_line);
6679     buffer[max_chars_per_line] = '\0';
6680
6681     if (element_name[max_chars_per_line] == ' ')
6682       next_pos++;
6683     else
6684     {
6685       int i;
6686
6687       for (i = max_chars_per_line - 1; i >= 0; i--)
6688         if (buffer[i] == ' ')
6689           break;
6690
6691       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
6692       {
6693         buffer[i] = '\0';
6694         next_pos = i + 1;
6695       }
6696     }
6697
6698     DrawTextS(x, y - font_height / 2, font_nr, buffer);
6699
6700     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
6701     buffer[max_chars_per_line] = '\0';
6702
6703     DrawTextS(x, y + font_height / 2, font_nr, buffer);
6704   }
6705 }
6706
6707 static void DrawPropertiesWindow()
6708 {
6709   int xstart = 2;
6710   int ystart = 4;
6711
6712   stick_element_properties_window = FALSE;
6713
6714   /* make sure that previous properties edit mode exists for this element */
6715   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
6716       !IS_CUSTOM_ELEMENT(properties_element) &&
6717       !IS_GROUP_ELEMENT(properties_element))
6718     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
6719
6720   CopyElementPropertiesToEditor(properties_element);
6721
6722   UnmapLevelEditorWindowGadgets();
6723   UnmapLevelEditorToolboxDrawingGadgets();
6724   UnmapLevelEditorToolboxCustomGadgets();
6725
6726   if (IS_CUSTOM_ELEMENT(properties_element) ||
6727       IS_GROUP_ELEMENT(properties_element))
6728     MapLevelEditorToolboxCustomGadgets();
6729
6730   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
6731   ClearWindow();
6732
6733   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
6734            "Element Settings", FONT_TITLE_1);
6735
6736   DrawElementBorder(SX + xstart * MINI_TILEX,
6737                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
6738                     TILEX, TILEY, FALSE);
6739   DrawGraphicAnimationExt(drawto,
6740                           SX + xstart * MINI_TILEX,
6741                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
6742                           el2img(properties_element), -1, NO_MASKING);
6743
6744   FrameCounter = 0;     /* restart animation frame counter */
6745
6746   DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
6747                   properties_element);
6748
6749   DrawPropertiesTabulatorGadgets();
6750
6751   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
6752     DrawPropertiesInfo();
6753   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
6754     DrawPropertiesConfig();
6755   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
6756     DrawPropertiesAdvanced();
6757 }
6758
6759 static void UpdateCustomElementGraphicGadgets()
6760 {
6761   ModifyEditorElementList();
6762   RedrawDrawingElements();
6763
6764   if (edit_mode == ED_MODE_PROPERTIES &&
6765       edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED)
6766     DrawPropertiesAdvancedDrawingAreas();
6767 }
6768
6769 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
6770 {
6771   int lx = sx + level_xpos;
6772   int ly = sy + level_ypos;
6773
6774   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
6775
6776   if (change_level)
6777     Feld[lx][ly] = element;
6778 }
6779
6780 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
6781                      int element, boolean change_level)
6782 {
6783   if (from_y == to_y)                   /* horizontal line */
6784   {
6785     int x;
6786     int y = from_y;
6787
6788     if (from_x > to_x)
6789       swap_numbers(&from_x, &to_x);
6790
6791     for (x = from_x; x <= to_x; x++)
6792       DrawLineElement(x, y, element, change_level);
6793   }
6794   else if (from_x == to_x)              /* vertical line */
6795   {
6796     int x = from_x;
6797     int y;
6798
6799     if (from_y > to_y)
6800       swap_numbers(&from_y, &to_y);
6801
6802     for (y = from_y; y <= to_y; y++)
6803       DrawLineElement(x, y, element, change_level);
6804   }
6805   else                                  /* diagonal line */
6806   {
6807     int len_x = ABS(to_x - from_x);
6808     int len_y = ABS(to_y - from_y);
6809     int x, y;
6810
6811     if (len_y < len_x)                  /* a < 1 */
6812     {
6813       float a = (float)len_y / (float)len_x;
6814
6815       if (from_x > to_x)
6816         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
6817
6818       for (x = 0; x <= len_x; x++)
6819       {
6820         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
6821         DrawLineElement(from_x + x, from_y + y, element, change_level);
6822       }
6823     }
6824     else                                /* a >= 1 */
6825     {
6826       float a = (float)len_x / (float)len_y;
6827
6828       if (from_y > to_y)
6829         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
6830
6831       for (y = 0; y <= len_y; y++)
6832       {
6833         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
6834         DrawLineElement(from_x + x, from_y + y, element, change_level);
6835       }
6836     }
6837   }
6838 }
6839
6840 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
6841                     int element, boolean change_level)
6842 {
6843   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
6844   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
6845   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
6846   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
6847 }
6848
6849 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
6850                           int element, boolean change_level)
6851 {
6852   int y;
6853
6854   if (from_y > to_y)
6855     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
6856
6857   for (y = from_y; y <= to_y; y++)
6858     DrawLine(from_x, y, to_x, y, element, change_level);
6859 }
6860
6861 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
6862                        int element, boolean change_level)
6863 {
6864   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
6865   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
6866   int len_x = ABS(to_x - from_x);
6867   int len_y = ABS(to_y - from_y);
6868   int radius, x, y;
6869
6870   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
6871
6872   /* not optimal (some points get drawn twice) but simple,
6873      and fast enough for the few points we are drawing */
6874
6875   for (x = 0; x <= radius; x++)
6876   {
6877     int sx, sy, lx, ly;
6878
6879     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
6880
6881     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
6882     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
6883     lx = sx + level_xpos;
6884     ly = sy + level_ypos;
6885
6886     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6887       DrawLineElement(sx, sy, element, change_level);
6888   }
6889
6890   for (y = 0; y <= radius; y++)
6891   {
6892     int sx, sy, lx, ly;
6893
6894     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
6895
6896     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
6897     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
6898     lx = sx + level_xpos;
6899     ly = sy + level_ypos;
6900
6901     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6902       DrawLineElement(sx, sy, element, change_level);
6903   }
6904 }
6905
6906 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
6907                     int element, boolean change_level)
6908 {
6909   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
6910   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
6911
6912   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
6913 }
6914
6915 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
6916 #if DRAW_CIRCLES_BUTTON_AVAILABLE
6917 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
6918                        int element, boolean change_level)
6919 {
6920   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
6921   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
6922   int mirror_to_x2 = from_x - (to_x2 - from_x);
6923   int mirror_to_y2 = from_y - (to_y2 - from_y);
6924
6925   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
6926   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
6927   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
6928   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
6929 }
6930 #endif
6931
6932 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
6933 {
6934   int from_sx, from_sy;
6935   int to_sx, to_sy;
6936
6937   if (from_x > to_x)
6938     swap_numbers(&from_x, &to_x);
6939
6940   if (from_y > to_y)
6941     swap_numbers(&from_y, &to_y);
6942
6943   from_sx = SX + from_x * MINI_TILEX;
6944   from_sy = SY + from_y * MINI_TILEY;
6945   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
6946   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
6947
6948   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
6949   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
6950   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
6951   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
6952
6953   if (from_x == to_x && from_y == to_y)
6954     MarkTileDirty(from_x/2, from_y/2);
6955   else
6956     redraw_mask |= REDRAW_FIELD;
6957 }
6958
6959 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
6960                        int element, boolean change_level)
6961 {
6962   if (element == -1 || change_level)
6963     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
6964   else
6965     DrawAreaBorder(from_x, from_y, to_x, to_y);
6966 }
6967
6968 /* values for CopyBrushExt() */
6969 #define CB_AREA_TO_BRUSH        0
6970 #define CB_BRUSH_TO_CURSOR      1
6971 #define CB_BRUSH_TO_LEVEL       2
6972 #define CB_DELETE_OLD_CURSOR    3
6973 #define CB_DUMP_BRUSH           4
6974
6975 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
6976                          int button, int mode)
6977 {
6978   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
6979   static int brush_width, brush_height;
6980   static int last_cursor_x = -1, last_cursor_y = -1;
6981   static boolean delete_old_brush;
6982   int new_element = BUTTON_ELEMENT(button);
6983   int x, y;
6984
6985   if (mode == CB_DUMP_BRUSH)
6986   {
6987     if (!draw_with_brush)
6988     {
6989       Error(ERR_WARN, "no brush selected");
6990
6991       return;
6992     }
6993
6994     for (y = 0; y < brush_height; y++)
6995     {
6996       for (x = 0; x < brush_width; x++)
6997       {
6998         int element = brush_buffer[x][y];
6999         int element_mapped = element;
7000         char *element_string = "?";
7001         int k;
7002
7003         for (k = 0; forum_sketch_element_mapping[k].element != -1; k++)
7004         {
7005           if (forum_sketch_element_mapping[k].element == element)
7006           {
7007             element_mapped = forum_sketch_element_mapping[k].element_mapped;
7008             break;
7009           }
7010         }
7011
7012         if (IS_CUSTOM_ELEMENT(element))
7013           element_mapped = EL_CUSTOM_1;
7014
7015         for (k = 0; forum_sketch_element_strings[k].element != -1; k++)
7016         {
7017           if (forum_sketch_element_strings[k].element == element_mapped)
7018           {
7019             element_string = forum_sketch_element_strings[k].element_string;
7020             break;
7021           }
7022         }
7023
7024         printf("`%s", element_string);
7025       }
7026
7027       printf("\n");
7028     }
7029
7030     return;
7031   }
7032
7033   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
7034     return;
7035
7036   if (mode == CB_AREA_TO_BRUSH)
7037   {
7038     int from_lx, from_ly;
7039
7040     if (from_x > to_x)
7041       swap_numbers(&from_x, &to_x);
7042
7043     if (from_y > to_y)
7044       swap_numbers(&from_y, &to_y);
7045
7046     brush_width = to_x - from_x + 1;
7047     brush_height = to_y - from_y + 1;
7048
7049     from_lx = from_x + level_xpos;
7050     from_ly = from_y + level_ypos;
7051
7052     for (y = 0; y < brush_height; y++)
7053     {
7054       for (x=0; x < brush_width; x++)
7055       {
7056         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
7057
7058         if (button != 1)
7059           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
7060       }
7061     }
7062
7063     if (button != 1)
7064       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7065
7066     delete_old_brush = FALSE;
7067   }
7068   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
7069            mode == CB_BRUSH_TO_LEVEL)
7070   {
7071     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
7072     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
7073     int cursor_from_x = cursor_x - brush_width / 2;
7074     int cursor_from_y = cursor_y - brush_height / 2;
7075     int border_from_x = cursor_x, border_from_y = cursor_y;
7076     int border_to_x = cursor_x, border_to_y = cursor_y;
7077
7078     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
7079       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
7080
7081     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
7082         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
7083     {
7084       delete_old_brush = FALSE;
7085       return;
7086     }
7087
7088     for (y = 0; y < brush_height; y++)
7089     {
7090       for (x = 0; x < brush_width; x++)
7091       {
7092         int sx = cursor_from_x + x;
7093         int sy = cursor_from_y + y;
7094         int lx = sx + level_xpos;
7095         int ly = sy + level_ypos;
7096         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
7097         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
7098                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
7099                        brush_buffer[x][y] : new_element);
7100
7101         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
7102         {
7103           if (sx < border_from_x)
7104             border_from_x = sx;
7105           else if (sx > border_to_x)
7106             border_to_x = sx;
7107           if (sy < border_from_y)
7108             border_from_y = sy;
7109           else if (sy > border_to_y)
7110             border_to_y = sy;
7111
7112           DrawLineElement(sx, sy, element, change_level);
7113         }
7114       }
7115     }
7116
7117     if (mode != CB_DELETE_OLD_CURSOR)
7118       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
7119
7120     last_cursor_x = cursor_x;
7121     last_cursor_y = cursor_y;
7122     delete_old_brush = TRUE;
7123   }
7124 }
7125
7126 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
7127                             int button)
7128 {
7129   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
7130 }
7131
7132 static void CopyBrushToLevel(int x, int y, int button)
7133 {
7134   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
7135 }
7136
7137 static void CopyBrushToCursor(int x, int y)
7138 {
7139   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
7140 }
7141
7142 static void DeleteBrushFromCursor()
7143 {
7144   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
7145 }
7146
7147 void DumpBrush()
7148 {
7149   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
7150 }
7151
7152 static void FloodFill(int from_x, int from_y, int fill_element)
7153 {
7154   int i,x,y;
7155   int old_element;
7156   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
7157   static int safety = 0;
7158
7159   /* check if starting field still has the desired content */
7160   if (Feld[from_x][from_y] == fill_element)
7161     return;
7162
7163   safety++;
7164
7165   if (safety > lev_fieldx*lev_fieldy)
7166     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
7167
7168   old_element = Feld[from_x][from_y];
7169   Feld[from_x][from_y] = fill_element;
7170
7171   for (i = 0; i < 4; i++)
7172   {
7173     x = from_x + check[i][0];
7174     y = from_y + check[i][1];
7175
7176     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
7177       FloodFill(x, y, fill_element);
7178   }
7179
7180   safety--;
7181 }
7182
7183 /* values for DrawLevelText() modes */
7184 #define TEXT_INIT               0
7185 #define TEXT_SETCURSOR          1
7186 #define TEXT_WRITECHAR          2
7187 #define TEXT_BACKSPACE          3
7188 #define TEXT_NEWLINE            4
7189 #define TEXT_END                5
7190 #define TEXT_QUERY_TYPING       6
7191
7192 static int DrawLevelText(int sx, int sy, char letter, int mode)
7193 {
7194   static short delete_buffer[MAX_LEV_FIELDX];
7195   static int start_sx, start_sy;
7196   static int last_sx, last_sy;
7197   static boolean typing = FALSE;
7198   int letter_element = EL_CHAR_ASCII0 + letter;
7199   int lx = 0, ly = 0;
7200
7201   /* map lower case letters to upper case and convert special characters */
7202   if (letter >= 'a' && letter <= 'z')
7203     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
7204   else if (letter == 'ä' || letter == 'Ä')
7205     letter_element = EL_CHAR_AUMLAUT;
7206   else if (letter == 'ö' || letter == 'Ö')
7207     letter_element = EL_CHAR_OUMLAUT;
7208   else if (letter == 'ü' || letter == 'Ü')
7209     letter_element = EL_CHAR_UUMLAUT;
7210   else if (letter == '^')
7211     letter_element = EL_CHAR_COPYRIGHT;
7212   else
7213     letter_element = EL_CHAR_ASCII0 + letter;
7214
7215   if (mode != TEXT_INIT)
7216   {
7217     if (!typing)
7218       return FALSE;
7219
7220     if (mode != TEXT_SETCURSOR)
7221     {
7222       sx = last_sx;
7223       sy = last_sy;
7224     }
7225
7226     lx = last_sx + level_xpos;
7227     ly = last_sy + level_ypos;
7228   }
7229
7230   switch (mode)
7231   {
7232     case TEXT_INIT:
7233       if (typing)
7234         DrawLevelText(0, 0, 0, TEXT_END);
7235
7236       typing = TRUE;
7237       start_sx = last_sx = sx;
7238       start_sy = last_sy = sy;
7239       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
7240       break;
7241
7242     case TEXT_SETCURSOR:
7243       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
7244       DrawAreaBorder(sx, sy, sx, sy);
7245       last_sx = sx;
7246       last_sy = sy;
7247       break;
7248
7249     case TEXT_WRITECHAR:
7250       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
7251       {
7252         delete_buffer[sx - start_sx] = Feld[lx][ly];
7253         Feld[lx][ly] = letter_element;
7254
7255         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
7256           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
7257         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
7258           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
7259         else
7260           DrawLevelText(0, 0, 0, TEXT_END);
7261       }
7262       break;
7263
7264     case TEXT_BACKSPACE:
7265       if (sx > start_sx)
7266       {
7267         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
7268         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
7269         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
7270       }
7271       break;
7272
7273     case TEXT_NEWLINE:
7274       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
7275         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
7276       else
7277         DrawLevelText(0, 0, 0, TEXT_END);
7278       break;
7279
7280     case TEXT_END:
7281       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7282       DrawMiniElement(sx, sy, Feld[lx][ly]);
7283       typing = FALSE;
7284       break;
7285
7286     case TEXT_QUERY_TYPING:
7287       break;
7288
7289     default:
7290       break;
7291   }
7292
7293   return typing;
7294 }
7295
7296 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
7297                           int element, boolean change_level)
7298 {
7299   int lx = sx + level_xpos;
7300   int ly = sy + level_ypos;
7301
7302   if (element == -1)
7303     DrawMiniElement(sx, sy, Feld[lx][ly]);
7304   else
7305     DrawAreaBorder(sx, sy, sx, sy);
7306 }
7307
7308 static void CopyLevelToUndoBuffer(int mode)
7309 {
7310   static boolean accumulated_undo = FALSE;
7311   boolean new_undo_buffer_position = TRUE;
7312   int last_border_element;
7313   int x, y;
7314
7315   switch (mode)
7316   {
7317     case UNDO_IMMEDIATE:
7318       accumulated_undo = FALSE;
7319       break;
7320
7321     case UNDO_ACCUMULATE:
7322       if (accumulated_undo)
7323         new_undo_buffer_position = FALSE;
7324       accumulated_undo = TRUE;
7325       break;
7326
7327     default:
7328       break;
7329   }
7330
7331   if (new_undo_buffer_position)
7332   {
7333     /* new position in undo buffer ring */
7334     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
7335
7336     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
7337       undo_buffer_steps++;
7338   }
7339
7340   for (x = 0; x < lev_fieldx; x++)
7341     for (y = 0; y < lev_fieldy; y++)
7342       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
7343
7344   /* check if drawing operation forces change of border style */
7345   last_border_element = BorderElement;
7346   SetBorderElement();
7347   if (BorderElement != last_border_element)
7348     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7349 }
7350
7351 static void RandomPlacement(int new_element)
7352 {
7353   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
7354   int num_free_positions;
7355   int num_percentage;
7356   int num_elements;
7357   int x, y;
7358
7359   /* determine number of free positions for the new elements */
7360   /* (maybe this statement should be formatted a bit more readable...) */
7361   num_free_positions = 0;
7362   for (x = 0; x < lev_fieldx; x++)
7363     for (y = 0; y < lev_fieldy; y++)
7364       if ((free_position[x][y] =
7365            ((random_placement_background_restricted &&
7366              Feld[x][y] == random_placement_background_element) ||
7367             (!random_placement_background_restricted &&
7368              Feld[x][y] != new_element))) == TRUE)
7369         num_free_positions++;
7370
7371   /* determine number of new elements to place there */
7372   num_percentage = num_free_positions * random_placement_value / 100;
7373   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
7374                   num_percentage : random_placement_value);
7375
7376   /* if not more free positions than elements to place, fill whole level */
7377   if (num_elements >= num_free_positions)
7378   {
7379     for (x = 0; x < lev_fieldx; x++)
7380       for (y = 0; y < lev_fieldy; y++)
7381         Feld[x][y] = new_element;
7382
7383     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7384     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7385     return;
7386   }
7387
7388   while (num_elements > 0)
7389   {
7390     x = RND(lev_fieldx);
7391     y = RND(lev_fieldy);
7392
7393     /* don't place element at the same position twice */
7394     if (free_position[x][y])
7395     {
7396       free_position[x][y] = FALSE;
7397       Feld[x][y] = new_element;
7398       num_elements--;
7399     }
7400   }
7401
7402   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7403   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7404 }
7405
7406 void WrapLevel(int dx, int dy)
7407 {
7408   int wrap_dx = lev_fieldx - dx;
7409   int wrap_dy = lev_fieldy - dy;
7410   int x, y;
7411
7412   for (x = 0; x < lev_fieldx; x++)
7413     for (y = 0; y < lev_fieldy; y++)
7414       FieldBackup[x][y] = Feld[x][y];
7415
7416   for (x = 0; x < lev_fieldx; x++)
7417     for (y = 0; y < lev_fieldy; y++)
7418       Feld[x][y] =
7419         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
7420
7421   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7422   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
7423 }
7424
7425 static void HandleDrawingAreas(struct GadgetInfo *gi)
7426 {
7427   static boolean started_inside_drawing_area = FALSE;
7428   int id = gi->custom_id;
7429   boolean button_press_event;
7430   boolean button_release_event;
7431   boolean inside_drawing_area = !gi->event.off_borders;
7432   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
7433   int actual_drawing_function;
7434   int button = gi->event.button;
7435   int new_element = BUTTON_ELEMENT(button);
7436   int sx = gi->event.x, sy = gi->event.y;
7437   int min_sx = 0, min_sy = 0;
7438   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
7439   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
7440   int lx = 0, ly = 0;
7441   int min_lx = 0, min_ly = 0;
7442   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
7443   int x, y;
7444
7445   /* handle info callback for each invocation of action callback */
7446   gi->callback_info(gi);
7447
7448   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
7449   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
7450
7451   /* make sure to stay inside drawing area boundaries */
7452   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
7453   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
7454
7455   if (draw_level)
7456   {
7457     /* get positions inside level field */
7458     lx = sx + level_xpos;
7459     ly = sy + level_ypos;
7460
7461     if (!IN_LEV_FIELD(lx, ly))
7462       inside_drawing_area = FALSE;
7463
7464     /* make sure to stay inside level field boundaries */
7465     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
7466     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
7467
7468     /* correct drawing area positions accordingly */
7469     sx = lx - level_xpos;
7470     sy = ly - level_ypos;
7471   }
7472
7473   if (button_press_event)
7474     started_inside_drawing_area = inside_drawing_area;
7475
7476   if (!started_inside_drawing_area)
7477     return;
7478
7479   if (!button && !button_release_event)
7480     return;
7481
7482   /* automatically switch to 'single item' drawing mode, if needed */
7483   actual_drawing_function =
7484     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
7485      drawing_function : GADGET_ID_SINGLE_ITEMS);
7486
7487   /* clicking into drawing area with pressed Control key picks element */
7488   if (GetKeyModState() & KMOD_Control)
7489   {
7490     last_drawing_function = drawing_function;
7491     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
7492   }
7493
7494   switch (actual_drawing_function)
7495   {
7496     case GADGET_ID_SINGLE_ITEMS:
7497       if (draw_level)
7498       {
7499         if (button_release_event)
7500         {
7501           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7502
7503           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
7504               !inside_drawing_area)
7505             DeleteBrushFromCursor();
7506         }
7507
7508         if (!button)
7509           break;
7510
7511         if (draw_with_brush)
7512         {
7513           if (!button_release_event)
7514             CopyBrushToLevel(sx, sy, button);
7515         }
7516         else if (new_element != Feld[lx][ly])
7517         {
7518           if (new_element == EL_PLAYER_1)
7519           {
7520             /* remove player at old position */
7521             for (y = 0; y < lev_fieldy; y++)
7522             {
7523               for (x = 0; x < lev_fieldx; x++)
7524               {
7525                 if (Feld[x][y] == EL_PLAYER_1)
7526                 {
7527                   Feld[x][y] = EL_EMPTY;
7528                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
7529                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
7530                     DrawMiniElement(x - level_xpos, y - level_ypos,
7531                                     EL_EMPTY);
7532                 }
7533               }
7534             }
7535           }
7536
7537           Feld[lx][ly] = new_element;
7538           DrawMiniElement(sx, sy, new_element);
7539         }
7540       }
7541       else
7542       {
7543         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
7544           DrawMiniGraphicExt(drawto,
7545                              gi->x + sx * MINI_TILEX,
7546                              gi->y + sy * MINI_TILEY,
7547                              el2edimg(new_element));
7548         else
7549           DrawGraphicExt(drawto,
7550                          gi->x + sx * TILEX,
7551                          gi->y + sy * TILEY,
7552                          el2img(new_element), 0);
7553
7554         if (id == GADGET_ID_AMOEBA_CONTENT)
7555           level.amoeba_content = new_element;
7556         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
7557         {
7558           new_element = GFX_ELEMENT(new_element);
7559           custom_element.gfx_element = new_element;
7560
7561           CopyElementPropertiesToGame(properties_element);
7562
7563           UpdateCustomElementGraphicGadgets();
7564
7565           FrameCounter = 0;     /* restart animation frame counter */
7566         }
7567         else if (id == GADGET_ID_CUSTOM_CONTENT)
7568         {
7569           custom_element.content[sx][sy] = new_element;
7570
7571           CopyCustomElementPropertiesToGame(properties_element);
7572         }
7573         else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
7574         {
7575           custom_element.move_enter_element = new_element;
7576
7577           CopyCustomElementPropertiesToGame(properties_element);
7578         }
7579         else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
7580         {
7581           custom_element.move_leave_element = new_element;
7582
7583           CopyCustomElementPropertiesToGame(properties_element);
7584         }
7585         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
7586         {
7587           custom_element_change.target_element = new_element;
7588
7589           CopyCustomElementPropertiesToGame(properties_element);
7590         }
7591         else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
7592         {
7593           custom_element_change.content[sx][sy] = new_element;
7594
7595           CopyCustomElementPropertiesToGame(properties_element);
7596         }
7597         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
7598         {
7599           custom_element_change.trigger_element = new_element;
7600
7601           CopyCustomElementPropertiesToGame(properties_element);
7602         }
7603         else if (id == GADGET_ID_GROUP_CONTENT)
7604         {
7605           group_element_info.element[sx] = new_element;
7606
7607           CopyGroupElementPropertiesToGame(properties_element);
7608         }
7609         else if (id == GADGET_ID_RANDOM_BACKGROUND)
7610           random_placement_background_element = new_element;
7611         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
7612                  id <= GADGET_ID_ELEMENT_CONTENT_7)
7613           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
7614             new_element;
7615       }
7616       break;
7617
7618     case GADGET_ID_CONNECTED_ITEMS:
7619       {
7620         static int last_sx = -1;
7621         static int last_sy = -1;
7622
7623         if (button_release_event)
7624           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7625
7626         if (button)
7627         {
7628           if (!button_press_event)
7629             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
7630
7631           last_sx = sx;
7632           last_sy = sy;
7633         }
7634       }
7635       break;
7636
7637     case GADGET_ID_LINE:
7638     case GADGET_ID_ARC:
7639     case GADGET_ID_RECTANGLE:
7640     case GADGET_ID_FILLED_BOX:
7641     case GADGET_ID_GRAB_BRUSH:
7642     case GADGET_ID_TEXT:
7643       {
7644         static int last_sx = -1;
7645         static int last_sy = -1;
7646         static int start_sx = -1;
7647         static int start_sy = -1;
7648         void (*draw_func)(int, int, int, int, int, boolean);
7649
7650         if (drawing_function == GADGET_ID_LINE)
7651           draw_func = DrawLine;
7652         else if (drawing_function == GADGET_ID_ARC)
7653           draw_func = DrawArc;
7654         else if (drawing_function == GADGET_ID_RECTANGLE)
7655           draw_func = DrawBox;
7656         else if (drawing_function == GADGET_ID_FILLED_BOX)
7657           draw_func = DrawFilledBox;
7658         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
7659           draw_func = SelectArea;
7660         else /* (drawing_function == GADGET_ID_TEXT) */
7661           draw_func = SetTextCursor;
7662
7663         if (button_press_event)
7664         {
7665           draw_func(sx, sy, sx, sy, new_element, FALSE);
7666           start_sx = last_sx = sx;
7667           start_sy = last_sy = sy;
7668
7669           if (drawing_function == GADGET_ID_TEXT)
7670             DrawLevelText(0, 0, 0, TEXT_END);
7671         }
7672         else if (button_release_event)
7673         {
7674           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
7675           if (drawing_function == GADGET_ID_GRAB_BRUSH)
7676           {
7677             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
7678             CopyBrushToCursor(sx, sy);
7679             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
7680                           MB_LEFTBUTTON);
7681             draw_with_brush = TRUE;
7682           }
7683           else if (drawing_function == GADGET_ID_TEXT)
7684             DrawLevelText(sx, sy, 0, TEXT_INIT);
7685           else
7686             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7687         }
7688         else if (last_sx != sx || last_sy != sy)
7689         {
7690           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
7691           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
7692           last_sx = sx;
7693           last_sy = sy;
7694         }
7695       }
7696       break;
7697
7698     case GADGET_ID_FLOOD_FILL:
7699       if (button_press_event && Feld[lx][ly] != new_element)
7700       {
7701         FloodFill(lx, ly, new_element);
7702         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7703         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7704       }
7705       break;
7706
7707     case GADGET_ID_PICK_ELEMENT:
7708       if (button_release_event)
7709         ClickOnGadget(level_editor_gadget[last_drawing_function],
7710                       MB_LEFTBUTTON);
7711       else if (draw_level)
7712         PickDrawingElement(button, Feld[lx][ly]);
7713       else if (id == GADGET_ID_AMOEBA_CONTENT)
7714         PickDrawingElement(button, level.amoeba_content);
7715       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
7716         PickDrawingElement(button, custom_element.gfx_element);
7717       else if (id == GADGET_ID_CUSTOM_CONTENT)
7718         PickDrawingElement(button, custom_element.content[sx][sy]);
7719       else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
7720         PickDrawingElement(button, custom_element.move_enter_element);
7721       else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
7722         PickDrawingElement(button, custom_element.move_leave_element);
7723       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
7724         PickDrawingElement(button, custom_element_change.target_element);
7725       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
7726         PickDrawingElement(button, custom_element_change.content[sx][sy]);
7727       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
7728         PickDrawingElement(button, custom_element_change.trigger_element);
7729       else if (id == GADGET_ID_GROUP_CONTENT)
7730         PickDrawingElement(button, group_element_info.element[sx]);
7731       else if (id == GADGET_ID_RANDOM_BACKGROUND)
7732         PickDrawingElement(button, random_placement_background_element);
7733       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
7734                id <= GADGET_ID_ELEMENT_CONTENT_7)
7735       {
7736         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
7737
7738         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
7739       }
7740
7741       break;
7742
7743     default:
7744       break;
7745   }
7746 }
7747
7748 static void HandleCounterButtons(struct GadgetInfo *gi)
7749 {
7750   int gadget_id = gi->custom_id;
7751   int counter_id = gi->custom_type_id;
7752   int button = gi->event.button;
7753   int *counter_value = counterbutton_info[counter_id].value;
7754   int step = BUTTON_STEPSIZE(button) *
7755     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
7756
7757   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
7758   {
7759     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
7760     boolean released = (gi->event.type == GD_EVENT_RELEASED);
7761     boolean level_changed = LevelChanged();
7762
7763     if ((level_changed && pressed) || (!level_changed && released))
7764       return;
7765
7766     if (level_changed && !Request("Level has changed! Discard changes ?",
7767                                   REQ_ASK))
7768     {
7769       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
7770         ModifyEditorCounter(counter_id, *counter_value);
7771       return;
7772     }
7773   }
7774
7775   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
7776     *counter_value = gi->textinput.number_value;
7777   else
7778     ModifyEditorCounter(counter_id, *counter_value + step);
7779
7780   switch (counter_id)
7781   {
7782     case ED_COUNTER_ID_ELEMENT_CONTENT:
7783       DrawElementContentAreas();
7784       break;
7785
7786     case ED_COUNTER_ID_GROUP_CONTENT:
7787       DrawGroupElementArea(properties_element);
7788       CopyGroupElementPropertiesToGame(properties_element);
7789       break;
7790
7791     case ED_COUNTER_ID_ENVELOPE_XSIZE:
7792     case ED_COUNTER_ID_ENVELOPE_YSIZE:
7793       DrawEnvelopeTextArea(-1);
7794       break;
7795
7796     case ED_COUNTER_ID_LEVEL_XSIZE:
7797     case ED_COUNTER_ID_LEVEL_YSIZE:
7798       lev_fieldx = level.fieldx;
7799       lev_fieldy = level.fieldy;
7800       break;
7801
7802     case ED_COUNTER_ID_SELECT_LEVEL:
7803       LoadLevel(level_nr);
7804       TapeErase();
7805       ResetUndoBuffer();
7806       DrawEditModeWindow();
7807       break;
7808
7809     default:
7810       break;
7811   }
7812
7813   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
7814        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
7815       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
7816        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
7817     CopyElementPropertiesToGame(properties_element);
7818 }
7819
7820 static void HandleTextInputGadgets(struct GadgetInfo *gi)
7821 {
7822   int type_id = gi->custom_type_id;
7823
7824   strcpy(textinput_info[type_id].value, gi->textinput.value);
7825
7826   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
7827   {
7828     CopyElementPropertiesToGame(properties_element);
7829
7830     ModifyEditorElementList();  /* update changed button info text */
7831   }
7832 }
7833
7834 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
7835 {
7836   int type_id = gi->custom_type_id;
7837
7838   strcpy(textarea_info[type_id].value, gi->textarea.value);
7839 }
7840
7841 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
7842 {
7843   int type_id = gi->custom_type_id;
7844
7845   *selectbox_info[type_id].value =
7846     selectbox_info[type_id].options[gi->selectbox.index].value;
7847
7848   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
7849   {
7850     element_info[properties_element].current_change_page = gi->selectbox.index;
7851
7852     DrawPropertiesWindow();
7853   }
7854   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
7855             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
7856            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
7857             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
7858            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
7859     CopyElementPropertiesToGame(properties_element);
7860 }
7861
7862 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
7863 {
7864   int type_id = gi->custom_type_id;
7865   int i;
7866
7867   if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
7868       type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
7869   {
7870     edit_mode_properties = gi->custom_type_id;
7871
7872     DrawPropertiesWindow();
7873   }
7874   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
7875   {
7876     char *template_filename = getDefaultLevelFilename(-1);
7877     boolean new_template = !fileExists(template_filename);
7878
7879     if (new_template ||
7880         Request("Save this template and kill the old ?", REQ_ASK))
7881       SaveLevelTemplate();
7882
7883     if (new_template)
7884       Request("Template saved !", REQ_CONFIRM);
7885   }
7886   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
7887            custom_element.num_change_pages < MAX_CHANGE_PAGES)
7888   {
7889     struct ElementInfo *ei = &element_info[properties_element];
7890
7891     setElementChangePages(ei, ei->num_change_pages + 1);
7892
7893     /* set new change page to be new current change page */
7894     ei->current_change_page = ei->num_change_pages - 1;
7895     ei->change = &ei->change_page[ei->current_change_page];
7896
7897     setElementChangeInfoToDefaults(ei->change);
7898
7899     DrawPropertiesWindow();
7900   }
7901   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7902            custom_element.num_change_pages > MIN_CHANGE_PAGES)
7903   {
7904     struct ElementInfo *ei = &element_info[properties_element];
7905
7906     /* copy all change pages after change page to be deleted */
7907     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
7908       ei->change_page[i] = ei->change_page[i + 1];
7909
7910     setElementChangePages(ei, ei->num_change_pages - 1);
7911
7912     DrawPropertiesWindow();
7913   }
7914 }
7915
7916 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
7917 {
7918   int type_id = gi->custom_type_id;
7919
7920   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
7921       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
7922   {
7923     struct ElementInfo *ei = &element_info[properties_element];
7924     int step = BUTTON_STEPSIZE(gi->event.button);
7925
7926     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
7927     ei->current_change_page += step;
7928
7929     if (ei->current_change_page < 0)
7930       ei->current_change_page = 0;
7931     else if (ei->current_change_page >= ei->num_change_pages)
7932       ei->current_change_page = ei->num_change_pages - 1;
7933
7934     DrawPropertiesWindow();
7935   }
7936 }
7937
7938 static void HandleRadiobuttons(struct GadgetInfo *gi)
7939 {
7940   *radiobutton_info[gi->custom_type_id].value =
7941     radiobutton_info[gi->custom_type_id].checked_value;
7942 }
7943
7944 static void HandleCheckbuttons(struct GadgetInfo *gi)
7945 {
7946   int type_id = gi->custom_type_id;
7947
7948   *checkbutton_info[type_id].value ^= TRUE;
7949
7950   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
7951        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
7952       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
7953        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST &&
7954        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
7955   {
7956     CopyElementPropertiesToGame(properties_element);
7957   }
7958
7959   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
7960   {
7961     UpdateCustomElementGraphicGadgets();
7962   }
7963   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
7964   {
7965     char *template_filename = getDefaultLevelFilename(-1);
7966
7967     if (level.use_custom_template && !fileExists(template_filename))
7968     {
7969       Request("No level template found !", REQ_CONFIRM);
7970
7971       level.use_custom_template = FALSE;
7972       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
7973
7974       return;
7975     }
7976
7977     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
7978
7979     DrawEditModeWindow();
7980   }
7981 }
7982
7983 static void HandleControlButtons(struct GadgetInfo *gi)
7984 {
7985   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
7986   static int last_edit_mode = ED_MODE_DRAWING;
7987   static int last_custom_copy_mode = -1;
7988   int id = gi->custom_id;
7989   int button = gi->event.button;
7990   int step = BUTTON_STEPSIZE(button);
7991   int new_element = BUTTON_ELEMENT(button);
7992   int x, y;
7993
7994   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
7995     DrawLevelText(0, 0, 0, TEXT_END);
7996
7997   if (id < ED_NUM_CTRL1_BUTTONS &&
7998       id != GADGET_ID_SINGLE_ITEMS &&
7999       id != GADGET_ID_PROPERTIES &&
8000       id != GADGET_ID_PICK_ELEMENT &&
8001       edit_mode != ED_MODE_DRAWING &&
8002       drawing_function != GADGET_ID_PICK_ELEMENT &&
8003       !(GetKeyModState() & KMOD_Control))
8004   {
8005     DrawDrawingWindow();
8006     edit_mode = ED_MODE_DRAWING;
8007   }
8008
8009   /* element copy mode active, but no element button pressed => deactivate */
8010   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
8011     last_custom_copy_mode = -1;
8012
8013   switch (id)
8014   {
8015     case GADGET_ID_SCROLL_LEFT:
8016       if (level_xpos >= 0)
8017       {
8018         if (lev_fieldx < ed_fieldx - 2)
8019           break;
8020
8021         level_xpos -= step;
8022         if (level_xpos < -1)
8023           level_xpos = -1;
8024         if (button == 1)
8025           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
8026         else
8027           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8028
8029         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8030                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
8031       }
8032       break;
8033
8034     case GADGET_ID_SCROLL_RIGHT:
8035       if (level_xpos <= lev_fieldx - ed_fieldx)
8036       {
8037         if (lev_fieldx < ed_fieldx - 2)
8038           break;
8039
8040         level_xpos += step;
8041         if (level_xpos > lev_fieldx - ed_fieldx + 1)
8042           level_xpos = lev_fieldx - ed_fieldx + 1;
8043         if (button == 1)
8044           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
8045         else
8046           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8047
8048         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8049                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
8050       }
8051       break;
8052
8053     case GADGET_ID_SCROLL_UP:
8054       if (level_ypos >= 0)
8055       {
8056         if (lev_fieldy < ed_fieldy - 2)
8057           break;
8058
8059         level_ypos -= step;
8060         if (level_ypos < -1)
8061           level_ypos = -1;
8062         if (button == 1)
8063           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
8064         else
8065           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8066
8067         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8068                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
8069       }
8070       break;
8071
8072     case GADGET_ID_SCROLL_DOWN:
8073       if (level_ypos <= lev_fieldy - ed_fieldy)
8074       {
8075         if (lev_fieldy < ed_fieldy - 2)
8076           break;
8077
8078         level_ypos += step;
8079         if (level_ypos > lev_fieldy - ed_fieldy + 1)
8080           level_ypos = lev_fieldy - ed_fieldy + 1;
8081         if (button == 1)
8082           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
8083         else
8084           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8085
8086         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8087                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
8088       }
8089       break;
8090
8091     case GADGET_ID_SCROLL_HORIZONTAL:
8092       level_xpos = gi->event.item_position - 1;
8093       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8094       break;
8095
8096     case GADGET_ID_SCROLL_VERTICAL:
8097       level_ypos = gi->event.item_position - 1;
8098       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8099       break;
8100
8101     case GADGET_ID_SCROLL_LIST_UP:
8102     case GADGET_ID_SCROLL_LIST_DOWN:
8103     case GADGET_ID_SCROLL_LIST_VERTICAL:
8104       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
8105         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
8106       else
8107       {
8108         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
8109         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
8110
8111         if (element_shift < 0)
8112           element_shift = 0;
8113         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8114           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8115
8116         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
8117                      GDI_SCROLLBAR_ITEM_POSITION,
8118                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
8119       }
8120
8121       ModifyEditorElementList();
8122
8123       break;
8124
8125     case GADGET_ID_WRAP_LEFT:
8126       WrapLevel(-step, 0);
8127       break;
8128
8129     case GADGET_ID_WRAP_RIGHT:
8130       WrapLevel(step, 0);
8131       break;
8132
8133     case GADGET_ID_WRAP_UP:
8134       WrapLevel(0, -step);
8135       break;
8136
8137     case GADGET_ID_WRAP_DOWN:
8138       WrapLevel(0, step);
8139       break;
8140
8141     case GADGET_ID_SINGLE_ITEMS:
8142     case GADGET_ID_CONNECTED_ITEMS:
8143     case GADGET_ID_LINE:
8144     case GADGET_ID_ARC:
8145     case GADGET_ID_TEXT:
8146     case GADGET_ID_RECTANGLE:
8147     case GADGET_ID_FILLED_BOX:
8148     case GADGET_ID_FLOOD_FILL:
8149     case GADGET_ID_GRAB_BRUSH:
8150     case GADGET_ID_PICK_ELEMENT:
8151       if (drawing_function != GADGET_ID_PICK_ELEMENT)
8152         last_drawing_function = drawing_function;
8153       drawing_function = id;
8154       draw_with_brush = FALSE;
8155       break;
8156
8157     case GADGET_ID_RANDOM_PLACEMENT:
8158       RandomPlacement(new_element);
8159       break;
8160
8161     case GADGET_ID_PROPERTIES:
8162       if (edit_mode != ED_MODE_PROPERTIES)
8163       {
8164         properties_element = new_element;
8165         DrawPropertiesWindow();
8166         edit_mode = ED_MODE_PROPERTIES;
8167
8168         last_level_drawing_function = drawing_function;
8169         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
8170                       MB_LEFTBUTTON);
8171       }
8172       else
8173       {
8174         DrawDrawingWindow();
8175         edit_mode = ED_MODE_DRAWING;
8176
8177         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
8178                       MB_LEFTBUTTON);
8179       }
8180       break;
8181
8182     case GADGET_ID_CUSTOM_COPY_FROM:
8183     case GADGET_ID_CUSTOM_COPY_TO:
8184     case GADGET_ID_CUSTOM_EXCHANGE:
8185       last_custom_copy_mode = id;
8186       last_drawing_function = drawing_function;
8187       break;
8188
8189     case GADGET_ID_UNDO:
8190       if (undo_buffer_steps == 0)
8191       {
8192         Request("Undo buffer empty !", REQ_CONFIRM);
8193         break;
8194       }
8195
8196       if (edit_mode != ED_MODE_DRAWING)
8197       {
8198         DrawDrawingWindow();
8199         edit_mode = ED_MODE_DRAWING;
8200       }
8201
8202       undo_buffer_position =
8203         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
8204       undo_buffer_steps--;
8205
8206       for (x = 0; x < lev_fieldx; x++)
8207         for (y = 0; y < lev_fieldy; y++)
8208           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
8209       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
8210       break;
8211
8212     case GADGET_ID_INFO:
8213       if (edit_mode != ED_MODE_INFO)
8214       {
8215         last_edit_mode = edit_mode;
8216         edit_mode = ED_MODE_INFO;
8217
8218         DrawLevelInfoWindow();
8219       }
8220       else
8221       {
8222         edit_mode = last_edit_mode;
8223
8224         DrawEditModeWindow();
8225       }
8226       break;
8227
8228     case GADGET_ID_CLEAR:
8229       if (edit_mode != ED_MODE_DRAWING)
8230       {
8231         DrawDrawingWindow();
8232         edit_mode = ED_MODE_DRAWING;
8233       }
8234
8235       for (x = 0; x < MAX_LEV_FIELDX; x++)
8236         for (y = 0; y < MAX_LEV_FIELDY; y++)
8237           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
8238       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
8239
8240       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8241       break;
8242
8243     case GADGET_ID_SAVE:
8244       if (leveldir_current->readonly)
8245       {
8246         Request("This level is read only !", REQ_CONFIRM);
8247         break;
8248       }
8249
8250       if (!LevelContainsPlayer)
8251         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
8252       else
8253       {
8254         char *level_filename = getDefaultLevelFilename(level_nr);
8255         boolean new_level = !fileExists(level_filename);
8256
8257         if (new_level ||
8258             Request("Save this level and kill the old ?", REQ_ASK))
8259         {
8260           CopyPlayfield(Feld, level.field);
8261
8262           SaveLevel(level_nr);
8263         }
8264
8265         if (new_level)
8266           Request("Level saved !", REQ_CONFIRM);
8267       }
8268       break;
8269
8270     case GADGET_ID_TEST:
8271       if (!LevelContainsPlayer)
8272         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
8273       else
8274       {
8275         if (LevelChanged())
8276           level.game_version = GAME_VERSION_ACTUAL;
8277
8278         CopyPlayfield(level.field, FieldBackup);
8279         CopyPlayfield(Feld, level.field);
8280
8281         UnmapLevelEditorGadgets();
8282         UndrawSpecialEditorDoor();
8283
8284         CloseDoor(DOOR_CLOSE_ALL);
8285
8286         DrawCompleteVideoDisplay();
8287
8288         if (setup.autorecord)
8289           TapeStartRecording();
8290
8291         level_editor_test_game = TRUE;
8292         game_status = GAME_MODE_PLAYING;
8293
8294         InitGame();
8295       }
8296       break;
8297
8298     case GADGET_ID_EXIT:
8299       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
8300       break;
8301
8302     default:
8303       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
8304           id <= GADGET_ID_ELEMENTLIST_LAST)
8305       {
8306         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
8307         int new_element = editor_elements[element_position + element_shift];
8308
8309         if (last_custom_copy_mode != -1)
8310         {
8311           if (CopyCustomElement(properties_element, new_element,
8312                                 last_custom_copy_mode))
8313           {
8314             ClickOnGadget(level_editor_gadget[last_drawing_function],
8315                           MB_LEFTBUTTON);
8316
8317             last_custom_copy_mode = -1;
8318           }
8319
8320           break;
8321         }
8322
8323         PickDrawingElement(button, new_element);
8324
8325         if (!stick_element_properties_window &&
8326             drawing_function != GADGET_ID_PICK_ELEMENT &&
8327             !(GetKeyModState() & KMOD_Control))
8328         {
8329           properties_element = new_element;
8330           if (edit_mode == ED_MODE_PROPERTIES)
8331             DrawPropertiesWindow();
8332         }
8333
8334         if (drawing_function == GADGET_ID_PICK_ELEMENT)
8335           ClickOnGadget(level_editor_gadget[last_drawing_function],
8336                         MB_LEFTBUTTON);
8337       }
8338 #ifdef DEBUG
8339       else if (gi->event.type == GD_EVENT_PRESSED)
8340         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
8341       else if (gi->event.type == GD_EVENT_RELEASED)
8342         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
8343       else if (gi->event.type == GD_EVENT_MOVING)
8344         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
8345       else
8346         printf("default: HandleControlButtons: ? (id == %d)\n", id);
8347 #endif
8348       break;
8349   }
8350 }
8351
8352 void HandleLevelEditorKeyInput(Key key)
8353 {
8354   char letter = getCharFromKey(key);
8355   int button = MB_LEFTBUTTON;
8356
8357   if (drawing_function == GADGET_ID_TEXT &&
8358       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
8359   {
8360     if (letter)
8361       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
8362     else if (key == KSYM_Delete || key == KSYM_BackSpace)
8363       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
8364     else if (key == KSYM_Return)
8365       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
8366     else if (key == KSYM_Escape)
8367       DrawLevelText(0, 0, 0, TEXT_END);
8368   }
8369   else if (button_status == MB_RELEASED)
8370   {
8371     int i, id = GADGET_ID_NONE;
8372
8373     switch (key)
8374     {
8375       case KSYM_Left:
8376         id = GADGET_ID_SCROLL_LEFT;
8377         break;
8378       case KSYM_Right:
8379         id = GADGET_ID_SCROLL_RIGHT;
8380         break;
8381       case KSYM_Up:
8382         id = GADGET_ID_SCROLL_UP;
8383         break;
8384       case KSYM_Down:
8385         id = GADGET_ID_SCROLL_DOWN;
8386         break;
8387       case KSYM_Page_Up:
8388         id = GADGET_ID_SCROLL_LIST_UP;
8389         button = MB_RIGHTBUTTON;
8390         break;
8391       case KSYM_Page_Down:
8392         id = GADGET_ID_SCROLL_LIST_DOWN;
8393         button = MB_RIGHTBUTTON;
8394         break;
8395
8396       case KSYM_Escape:
8397         if (edit_mode == ED_MODE_DRAWING)
8398         {
8399           RequestExitLevelEditor(setup.ask_on_escape);
8400         }
8401         else
8402         {
8403           DrawDrawingWindow();
8404           edit_mode = ED_MODE_DRAWING;
8405         }
8406         break;
8407
8408       default:
8409         break;
8410     }
8411
8412     if (id != GADGET_ID_NONE)
8413       ClickOnGadget(level_editor_gadget[id], button);
8414     else if (letter == '.')
8415       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
8416     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
8417       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
8418     else
8419       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8420         if (letter && letter == control_info[i].shortcut)
8421           if (!anyTextGadgetActive())
8422             ClickOnGadget(level_editor_gadget[i], button);
8423   }
8424 }
8425
8426 void HandleLevelEditorIdle()
8427 {
8428   static unsigned long action_delay = 0;
8429   unsigned long action_delay_value = GameFrameDelay;
8430   int xpos = 1, ypos = 2;
8431
8432   if (edit_mode != ED_MODE_PROPERTIES)
8433     return;
8434
8435   if (!DelayReached(&action_delay, action_delay_value))
8436     return;
8437
8438   DrawGraphicAnimationExt(drawto,
8439                           SX + xpos * TILEX,
8440                           SY + ypos * TILEY + MINI_TILEY / 2,
8441                           el2img(properties_element), -1, NO_MASKING);
8442
8443   MarkTileDirty(xpos, ypos);
8444   MarkTileDirty(xpos, ypos + 1);
8445
8446   FrameCounter++;       /* increase animation frame counter */
8447 }
8448
8449 void ClearEditorGadgetInfoText()
8450 {
8451   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
8452 }
8453
8454 void HandleEditorGadgetInfoText(void *ptr)
8455 {
8456   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
8457   char infotext[MAX_OUTPUT_LINESIZE + 1];
8458   char shortcut[MAX_OUTPUT_LINESIZE + 1];
8459   int max_infotext_len = getMaxInfoTextLength();
8460
8461   if (game_status != GAME_MODE_EDITOR)
8462     return;
8463
8464   ClearEditorGadgetInfoText();
8465
8466   if (gi->event.type == GD_EVENT_INFO_LEAVING)
8467     return;
8468
8469   /* misuse this function to delete brush cursor, if needed */
8470   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
8471     DeleteBrushFromCursor();
8472
8473   if (gi == NULL || gi->info_text == NULL)
8474     return;
8475
8476   strncpy(infotext, gi->info_text, max_infotext_len);
8477   infotext[max_infotext_len] = '\0';
8478
8479   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
8480   {
8481     int key = control_info[gi->custom_id].shortcut;
8482
8483     if (key)
8484     {
8485       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
8486         sprintf(shortcut, " ('.' or '%c')", key);
8487       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
8488         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
8489       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
8490         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
8491       else                                              /* normal case */
8492         sprintf(shortcut, " ('%s%c')",
8493                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
8494
8495       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
8496         strcat(infotext, shortcut);
8497     }
8498   }
8499
8500   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
8501 }
8502
8503 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
8504 {
8505   static int start_lx, start_ly;
8506   int id = gi->custom_id;
8507   int sx = gi->event.x;
8508   int sy = gi->event.y;
8509   int lx = sx + level_xpos;
8510   int ly = sy + level_ypos;
8511   int min_sx = 0, min_sy = 0;
8512   int max_sx = gi->drawing.area_xsize - 1;
8513   int max_sy = gi->drawing.area_ysize - 1;
8514   int actual_drawing_function = drawing_function;
8515   int max_infotext_len = getMaxInfoTextLength();
8516   char infotext[MAX_OUTPUT_LINESIZE + 1];
8517   char *text;
8518
8519   infotext[0] = '\0';           /* start with empty info text */
8520
8521   /* pressed Control key: simulate picking element */
8522   if (GetKeyModState() & KMOD_Control)
8523     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
8524
8525   ClearEditorGadgetInfoText();
8526
8527   if (gi->event.type == GD_EVENT_INFO_LEAVING)
8528     return;
8529
8530   /* make sure to stay inside drawing area boundaries */
8531   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
8532   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
8533
8534   if (id == GADGET_ID_DRAWING_LEVEL)
8535   {
8536     if (button_status)
8537     {
8538       int min_lx = 0, min_ly = 0;
8539       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
8540
8541       /* get positions inside level field */
8542       lx = sx + level_xpos;
8543       ly = sy + level_ypos;
8544
8545       /* make sure to stay inside level field boundaries */
8546       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
8547       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
8548
8549       /* correct drawing area positions accordingly */
8550       sx = lx - level_xpos;
8551       sy = ly - level_ypos;
8552     }
8553
8554     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
8555     {
8556       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
8557       {
8558         if (gi->event.type == GD_EVENT_PRESSED)
8559         {
8560           start_lx = lx;
8561           start_ly = ly;
8562         }
8563
8564         switch (actual_drawing_function)
8565         {
8566           case GADGET_ID_SINGLE_ITEMS:
8567             text = "Drawing single items";
8568             break;
8569           case GADGET_ID_CONNECTED_ITEMS:
8570             text = "Drawing connected items";
8571             break;
8572           case GADGET_ID_LINE:
8573             text = "Drawing line";
8574             break;
8575           case GADGET_ID_ARC:
8576             text = "Drawing arc";
8577             break;
8578           case GADGET_ID_TEXT:
8579             text = "Setting text cursor";
8580             break;
8581           case GADGET_ID_RECTANGLE:
8582             text = "Drawing rectangle";
8583             break;
8584           case GADGET_ID_FILLED_BOX:
8585             text = "Drawing filled box";
8586             break;
8587           case GADGET_ID_FLOOD_FILL:
8588             text = "Flood fill";
8589             break;
8590           case GADGET_ID_GRAB_BRUSH:
8591             text = "Grabbing brush";
8592             break;
8593           case GADGET_ID_PICK_ELEMENT:
8594             text = "Picking element";
8595             break;
8596
8597           default:
8598             text = "Drawing position";
8599             break;
8600         }
8601
8602 #if 1
8603         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
8604           sprintf(infotext, "%s: %d, %d", text, lx, ly);
8605         else
8606           sprintf(infotext, "%s: %d, %d", text,
8607                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
8608 #else
8609         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
8610           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
8611                     "%s: %d, %d", infotext, lx, ly);
8612         else
8613           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
8614                     "%s: %d, %d", infotext,
8615                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
8616 #endif
8617       }
8618 #if 1
8619       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
8620         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
8621       else
8622         sprintf(infotext, "Level position: %d, %d", lx, ly);
8623 #else
8624       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
8625         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
8626                   "%s", getElementInfoText(Feld[lx][ly]));
8627       else
8628         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
8629                   "Level position: %d, %d", lx, ly);
8630 #endif
8631     }
8632
8633     /* misuse this function to draw brush cursor, if needed */
8634     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
8635     {
8636       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
8637         CopyBrushToCursor(sx, sy);
8638       else
8639         DeleteBrushFromCursor();
8640     }
8641   }
8642   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
8643   {
8644     int element = EL_EMPTY;
8645
8646     if (id == GADGET_ID_AMOEBA_CONTENT)
8647       element = level.amoeba_content;
8648     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
8649       element = custom_element.gfx_element;
8650     else if (id == GADGET_ID_CUSTOM_CONTENT)
8651       element = custom_element.content[sx][sy];
8652     else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
8653       element = custom_element.move_enter_element;
8654     else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
8655       element = custom_element.move_leave_element;
8656     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
8657       element = custom_element_change.target_element;
8658     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
8659       element = custom_element_change.content[sx][sy];
8660     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
8661       element = custom_element_change.trigger_element;
8662     else if (id == GADGET_ID_GROUP_CONTENT)
8663       element = group_element_info.element[sx];
8664     else if (id == GADGET_ID_RANDOM_BACKGROUND)
8665       element = random_placement_background_element;
8666     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
8667              id <= GADGET_ID_ELEMENT_CONTENT_7)
8668       element = level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy];
8669
8670     strncpy(infotext, getElementInfoText(element), max_infotext_len);
8671   }
8672   else
8673   {
8674     if (id == GADGET_ID_AMOEBA_CONTENT)
8675       strcpy(infotext, "Amoeba content");
8676     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
8677       strcpy(infotext, "Custom graphic element");
8678     else if (id == GADGET_ID_CUSTOM_CONTENT)
8679       sprintf(infotext, "Custom element content position: %d, %d", sx, sy);
8680     else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
8681       strcpy(infotext, "Element that can be digged/collected");
8682     else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
8683       strcpy(infotext, "Element that will be left behind");
8684     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
8685       strcpy(infotext, "New element after change");
8686     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
8687       strcpy(infotext, "New extended elements after change");
8688     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
8689       strcpy(infotext, "Other element triggering change");
8690     else if (id == GADGET_ID_GROUP_CONTENT)
8691       sprintf(infotext, "Group element position: %d", sx + 1);
8692     else if (id == GADGET_ID_RANDOM_BACKGROUND)
8693       strcpy(infotext, "Random placement background");
8694     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
8695              id <= GADGET_ID_ELEMENT_CONTENT_7)
8696       sprintf(infotext, "Content area %d position: %d, %d",
8697               id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
8698   }
8699
8700   infotext[max_infotext_len] = '\0';
8701
8702   if (strlen(infotext) > 0)
8703     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
8704 }
8705
8706 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
8707 {
8708   if (!ask_if_level_has_changed ||
8709       !LevelChanged() ||
8710       Request("Level has changed! Exit without saving ?",
8711               REQ_ASK | REQ_STAY_OPEN))
8712   {
8713 #if 1
8714     CloseDoor(DOOR_CLOSE_1);
8715     SetDoorState(DOOR_CLOSE_2);
8716 #else
8717     CloseDoor(DOOR_CLOSE_ALL);
8718 #endif
8719     game_status = GAME_MODE_MAIN;
8720     DrawMainMenu();
8721   }
8722   else
8723   {
8724     CloseDoor(DOOR_CLOSE_1);
8725     BlitBitmap(bitmap_db_door, bitmap_db_door,
8726                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
8727                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
8728     OpenDoor(DOOR_OPEN_1);
8729   }
8730 }