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