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 #if 0
2213   EL_MAZE_RUNNER,
2214 #else
2215   EL_EMPTY,
2216 #endif
2217   EL_MOLE_RIGHT,
2218   EL_PACMAN,
2219
2220   EL_SPACESHIP,
2221   EL_MOLE_DOWN,
2222   EL_BALLOON,
2223   EL_BALLOON_SWITCH_ANY,
2224
2225   EL_BALLOON_SWITCH_LEFT,
2226   EL_BALLOON_SWITCH_RIGHT,
2227   EL_BALLOON_SWITCH_UP,
2228   EL_BALLOON_SWITCH_DOWN,
2229
2230   EL_SATELLITE,
2231   EL_EXPANDABLE_WALL_HORIZONTAL,
2232   EL_EXPANDABLE_WALL_VERTICAL,
2233   EL_EXPANDABLE_WALL_ANY,
2234
2235   EL_INVISIBLE_STEELWALL,
2236   EL_INVISIBLE_WALL,
2237   EL_SPEED_PILL,
2238   EL_BLACK_ORB,
2239
2240   EL_EMC_STEELWALL_1,
2241   EL_EMC_WALL_1,
2242   EL_EMC_WALL_2,
2243   EL_EMC_WALL_3,
2244
2245   EL_EMC_WALL_4,
2246   EL_EMC_WALL_5,
2247   EL_EMC_WALL_6,
2248   EL_EMC_WALL_7,
2249 };
2250 static int *editor_hl_more_ptr = editor_hl_more;
2251 static int *editor_el_more_ptr = editor_el_more;
2252 static int num_editor_hl_more = SIZEOF_ARRAY_INT(editor_hl_more);
2253 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
2254
2255 static int editor_hl_sokoban[] =
2256 {
2257   EL_CHAR('S'),
2258   EL_CHAR('O'),
2259   EL_CHAR('K'),
2260   EL_CHAR('O'),
2261
2262   EL_CHAR('-'),
2263   EL_CHAR('B'),
2264   EL_CHAR('A'),
2265   EL_CHAR('N'),
2266 };
2267
2268 static int editor_el_sokoban[] =
2269 {
2270   EL_SOKOBAN_OBJECT,
2271   EL_SOKOBAN_FIELD_EMPTY,
2272   EL_SOKOBAN_FIELD_FULL,
2273   EL_STEELWALL,
2274 };
2275 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
2276 static int *editor_el_sokoban_ptr = editor_el_sokoban;
2277 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
2278 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
2279
2280 static int editor_hl_supaplex[] =
2281 {
2282   EL_CHAR('S'),
2283   EL_CHAR('U'),
2284   EL_CHAR('P'),
2285   EL_CHAR('A'),
2286
2287   EL_CHAR('P'),
2288   EL_CHAR('L'),
2289   EL_CHAR('E'),
2290   EL_CHAR('X'),
2291 };
2292
2293 static int editor_el_supaplex[] =
2294 {
2295 #if 1
2296   EL_EMPTY,
2297 #else
2298   EL_SP_EMPTY,
2299 #endif
2300   EL_SP_ZONK,
2301   EL_SP_BASE,
2302   EL_SP_MURPHY,
2303
2304   EL_SP_INFOTRON,
2305   EL_SP_CHIP_SINGLE,
2306   EL_SP_HARDWARE_GRAY,
2307   EL_SP_EXIT_CLOSED,
2308
2309   EL_SP_DISK_ORANGE,
2310   EL_SP_PORT_RIGHT,
2311   EL_SP_PORT_DOWN,
2312   EL_SP_PORT_LEFT,
2313
2314   EL_SP_PORT_UP,
2315   EL_SP_GRAVITY_PORT_RIGHT,
2316   EL_SP_GRAVITY_PORT_DOWN,
2317   EL_SP_GRAVITY_PORT_LEFT,
2318
2319   EL_SP_GRAVITY_PORT_UP,
2320   EL_SP_SNIKSNAK,
2321   EL_SP_DISK_YELLOW,
2322   EL_SP_TERMINAL,
2323
2324   EL_SP_DISK_RED,
2325   EL_SP_PORT_VERTICAL,
2326   EL_SP_PORT_HORIZONTAL,
2327   EL_SP_PORT_ANY,
2328
2329   EL_SP_ELECTRON,
2330   EL_SP_BUGGY_BASE,
2331   EL_SP_CHIP_LEFT,
2332   EL_SP_CHIP_RIGHT,
2333
2334   EL_SP_HARDWARE_BASE_1,
2335   EL_SP_HARDWARE_GREEN,
2336   EL_SP_HARDWARE_BLUE,
2337   EL_SP_HARDWARE_RED,
2338
2339   EL_SP_HARDWARE_YELLOW,
2340   EL_SP_HARDWARE_BASE_2,
2341   EL_SP_HARDWARE_BASE_3,
2342   EL_SP_HARDWARE_BASE_4,
2343
2344   EL_SP_HARDWARE_BASE_5,
2345   EL_SP_HARDWARE_BASE_6,
2346   EL_SP_CHIP_TOP,
2347   EL_SP_CHIP_BOTTOM,
2348 };
2349 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
2350 static int *editor_el_supaplex_ptr = editor_el_supaplex;
2351 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
2352 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
2353
2354 static int editor_hl_diamond_caves[] =
2355 {
2356   EL_CHAR('D'),
2357   EL_CHAR('I'),
2358   EL_CHAR('A'),
2359   EL_CHAR('-'),
2360
2361   EL_CHAR('M'),
2362   EL_CHAR('O'),
2363   EL_CHAR('N'),
2364   EL_CHAR('D'),
2365
2366   EL_CHAR('C'),
2367   EL_CHAR('A'),
2368   EL_CHAR('V'),
2369   EL_CHAR('E'),
2370
2371   EL_CHAR('S'),
2372   EL_CHAR(' '),
2373   EL_CHAR('I'),
2374   EL_CHAR('I'),
2375 };
2376
2377 static int editor_el_diamond_caves[] =
2378 {
2379   EL_PEARL,
2380   EL_CRYSTAL,
2381   EL_WALL_PEARL,
2382   EL_WALL_CRYSTAL,
2383
2384   EL_CONVEYOR_BELT_1_LEFT,
2385   EL_CONVEYOR_BELT_1_MIDDLE,
2386   EL_CONVEYOR_BELT_1_RIGHT,
2387   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2388
2389   EL_CONVEYOR_BELT_2_LEFT,
2390   EL_CONVEYOR_BELT_2_MIDDLE,
2391   EL_CONVEYOR_BELT_2_RIGHT,
2392   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2393
2394   EL_CONVEYOR_BELT_3_LEFT,
2395   EL_CONVEYOR_BELT_3_MIDDLE,
2396   EL_CONVEYOR_BELT_3_RIGHT,
2397   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2398
2399   EL_CONVEYOR_BELT_4_LEFT,
2400   EL_CONVEYOR_BELT_4_MIDDLE,
2401   EL_CONVEYOR_BELT_4_RIGHT,
2402   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2403
2404   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2405   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2406   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2407   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2408
2409   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2410   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2411   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2412   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2413
2414   EL_SWITCHGATE_OPEN,
2415   EL_SWITCHGATE_CLOSED,
2416   EL_SWITCHGATE_SWITCH_UP,
2417   EL_EMPTY,
2418
2419   EL_ENVELOPE_1,
2420   EL_ENVELOPE_2,
2421   EL_ENVELOPE_3,
2422   EL_ENVELOPE_4,
2423
2424   EL_TIMEGATE_CLOSED,
2425   EL_TIMEGATE_OPEN,
2426   EL_TIMEGATE_SWITCH,
2427   EL_EMPTY,
2428
2429   EL_LANDMINE,
2430   EL_INVISIBLE_SAND,
2431   EL_STEELWALL_SLIPPERY,
2432   EL_EMPTY,
2433
2434   EL_SIGN_EXCLAMATION,
2435   EL_SIGN_STOP,
2436   EL_LIGHT_SWITCH,
2437   EL_LIGHT_SWITCH_ACTIVE,
2438
2439   EL_SHIELD_NORMAL,
2440   EL_SHIELD_DEADLY,
2441   EL_EXTRA_TIME,
2442   EL_EMPTY,
2443 };
2444 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
2445 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
2446 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
2447 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
2448
2449 static int editor_hl_dx_boulderdash[] =
2450 {
2451   EL_CHAR('D'),
2452   EL_CHAR('X'),
2453   EL_CHAR('-'),
2454   EL_CHAR(' '),
2455
2456   EL_CHAR('B'),
2457   EL_CHAR('O'),
2458   EL_CHAR('U'),
2459   EL_CHAR('L'),
2460
2461   EL_CHAR('-'),
2462   EL_CHAR('D'),
2463   EL_CHAR('E'),
2464   EL_CHAR('R'),
2465
2466   EL_CHAR('D'),
2467   EL_CHAR('A'),
2468   EL_CHAR('S'),
2469   EL_CHAR('H'),
2470 };
2471
2472 static int editor_el_dx_boulderdash[] =
2473 {
2474   EL_SPRING,
2475   EL_TUBE_RIGHT_DOWN,
2476   EL_TUBE_HORIZONTAL_DOWN,
2477   EL_TUBE_LEFT_DOWN,
2478
2479   EL_TUBE_HORIZONTAL,
2480   EL_TUBE_VERTICAL_RIGHT,
2481   EL_TUBE_ANY,
2482   EL_TUBE_VERTICAL_LEFT,
2483
2484   EL_TUBE_VERTICAL,
2485   EL_TUBE_RIGHT_UP,
2486   EL_TUBE_HORIZONTAL_UP,
2487   EL_TUBE_LEFT_UP,
2488
2489   EL_TRAP,
2490   EL_DX_SUPABOMB,
2491   EL_EMPTY,
2492   EL_EMPTY
2493 };
2494 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
2495 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
2496 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
2497 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
2498
2499 static int editor_hl_chars[] =
2500 {
2501   EL_CHAR('T'),
2502   EL_CHAR('E'),
2503   EL_CHAR('X'),
2504   EL_CHAR('T'),
2505 };
2506
2507 static int editor_el_chars[] =
2508 {
2509   EL_CHAR(' '),
2510   EL_CHAR('!'),
2511   EL_CHAR('"'),
2512   EL_CHAR('#'),
2513
2514   EL_CHAR('$'),
2515   EL_CHAR('%'),
2516   EL_CHAR('&'),
2517   EL_CHAR('\''),
2518
2519   EL_CHAR('('),
2520   EL_CHAR(')'),
2521   EL_CHAR('*'),
2522   EL_CHAR('+'),
2523
2524   EL_CHAR(','),
2525   EL_CHAR('-'),
2526   EL_CHAR('.'),
2527   EL_CHAR('/'),
2528
2529   EL_CHAR('0'),
2530   EL_CHAR('1'),
2531   EL_CHAR('2'),
2532   EL_CHAR('3'),
2533
2534   EL_CHAR('4'),
2535   EL_CHAR('5'),
2536   EL_CHAR('6'),
2537   EL_CHAR('7'),
2538
2539   EL_CHAR('8'),
2540   EL_CHAR('9'),
2541   EL_CHAR(':'),
2542   EL_CHAR(';'),
2543
2544   EL_CHAR('<'),
2545   EL_CHAR('='),
2546   EL_CHAR('>'),
2547   EL_CHAR('?'),
2548
2549   EL_CHAR('@'),
2550   EL_CHAR('A'),
2551   EL_CHAR('B'),
2552   EL_CHAR('C'),
2553
2554   EL_CHAR('D'),
2555   EL_CHAR('E'),
2556   EL_CHAR('F'),
2557   EL_CHAR('G'),
2558
2559   EL_CHAR('H'),
2560   EL_CHAR('I'),
2561   EL_CHAR('J'),
2562   EL_CHAR('K'),
2563
2564   EL_CHAR('L'),
2565   EL_CHAR('M'),
2566   EL_CHAR('N'),
2567   EL_CHAR('O'),
2568
2569   EL_CHAR('P'),
2570   EL_CHAR('Q'),
2571   EL_CHAR('R'),
2572   EL_CHAR('S'),
2573
2574   EL_CHAR('T'),
2575   EL_CHAR('U'),
2576   EL_CHAR('V'),
2577   EL_CHAR('W'),
2578
2579   EL_CHAR('X'),
2580   EL_CHAR('Y'),
2581   EL_CHAR('Z'),
2582   EL_CHAR('['),
2583
2584   EL_CHAR('\\'),
2585   EL_CHAR(']'),
2586   EL_CHAR('^'),
2587   EL_CHAR('_'),
2588
2589   EL_CHAR('©'),
2590   EL_CHAR('Ä'),
2591   EL_CHAR('Ö'),
2592   EL_CHAR('Ü'),
2593
2594   EL_CHAR('°'),
2595   EL_CHAR('®'),
2596   EL_CHAR(FONT_ASCII_CURSOR),
2597   EL_CHAR(' ')
2598 };
2599 static int *editor_hl_chars_ptr = editor_hl_chars;
2600 static int *editor_el_chars_ptr = editor_el_chars;
2601 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
2602 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
2603
2604 static int editor_hl_custom[] =
2605 {
2606   EL_CHAR('C'),
2607   EL_CHAR('U'),
2608   EL_CHAR('S'),
2609   EL_CHAR('-'),
2610
2611   EL_CHAR('T'),
2612   EL_CHAR('O'),
2613   EL_CHAR('M'),
2614   EL_CHAR(' '),
2615
2616   EL_CHAR('E'),
2617   EL_CHAR('L'),
2618   EL_CHAR('E'),
2619   EL_CHAR('M'),
2620
2621   EL_CHAR('E'),
2622   EL_CHAR('N'),
2623   EL_CHAR('T'),
2624   EL_CHAR('S'),
2625 };
2626
2627 static int editor_el_custom[] =
2628 {
2629   EL_CUSTOM_START + 0,
2630   EL_CUSTOM_START + 1,
2631   EL_CUSTOM_START + 2,
2632   EL_CUSTOM_START + 3,
2633
2634   EL_CUSTOM_START + 4,
2635   EL_CUSTOM_START + 5,
2636   EL_CUSTOM_START + 6,
2637   EL_CUSTOM_START + 7,
2638
2639   EL_CUSTOM_START + 8,
2640   EL_CUSTOM_START + 9,
2641   EL_CUSTOM_START + 10,
2642   EL_CUSTOM_START + 11,
2643
2644   EL_CUSTOM_START + 12,
2645   EL_CUSTOM_START + 13,
2646   EL_CUSTOM_START + 14,
2647   EL_CUSTOM_START + 15,
2648
2649   EL_CUSTOM_START + 16,
2650   EL_CUSTOM_START + 17,
2651   EL_CUSTOM_START + 18,
2652   EL_CUSTOM_START + 19,
2653
2654   EL_CUSTOM_START + 20,
2655   EL_CUSTOM_START + 21,
2656   EL_CUSTOM_START + 22,
2657   EL_CUSTOM_START + 23,
2658
2659   EL_CUSTOM_START + 24,
2660   EL_CUSTOM_START + 25,
2661   EL_CUSTOM_START + 26,
2662   EL_CUSTOM_START + 27,
2663
2664   EL_CUSTOM_START + 28,
2665   EL_CUSTOM_START + 29,
2666   EL_CUSTOM_START + 30,
2667   EL_CUSTOM_START + 31,
2668
2669   EL_CUSTOM_START + 32,
2670   EL_CUSTOM_START + 33,
2671   EL_CUSTOM_START + 34,
2672   EL_CUSTOM_START + 35,
2673
2674   EL_CUSTOM_START + 36,
2675   EL_CUSTOM_START + 37,
2676   EL_CUSTOM_START + 38,
2677   EL_CUSTOM_START + 39,
2678
2679   EL_CUSTOM_START + 40,
2680   EL_CUSTOM_START + 41,
2681   EL_CUSTOM_START + 42,
2682   EL_CUSTOM_START + 43,
2683
2684   EL_CUSTOM_START + 44,
2685   EL_CUSTOM_START + 45,
2686   EL_CUSTOM_START + 46,
2687   EL_CUSTOM_START + 47,
2688
2689   EL_CUSTOM_START + 48,
2690   EL_CUSTOM_START + 49,
2691   EL_CUSTOM_START + 50,
2692   EL_CUSTOM_START + 51,
2693
2694   EL_CUSTOM_START + 52,
2695   EL_CUSTOM_START + 53,
2696   EL_CUSTOM_START + 54,
2697   EL_CUSTOM_START + 55,
2698
2699   EL_CUSTOM_START + 56,
2700   EL_CUSTOM_START + 57,
2701   EL_CUSTOM_START + 58,
2702   EL_CUSTOM_START + 59,
2703
2704   EL_CUSTOM_START + 60,
2705   EL_CUSTOM_START + 61,
2706   EL_CUSTOM_START + 62,
2707   EL_CUSTOM_START + 63,
2708
2709   EL_CUSTOM_START + 64,
2710   EL_CUSTOM_START + 65,
2711   EL_CUSTOM_START + 66,
2712   EL_CUSTOM_START + 67,
2713
2714   EL_CUSTOM_START + 68,
2715   EL_CUSTOM_START + 69,
2716   EL_CUSTOM_START + 70,
2717   EL_CUSTOM_START + 71,
2718
2719   EL_CUSTOM_START + 72,
2720   EL_CUSTOM_START + 73,
2721   EL_CUSTOM_START + 74,
2722   EL_CUSTOM_START + 75,
2723
2724   EL_CUSTOM_START + 76,
2725   EL_CUSTOM_START + 77,
2726   EL_CUSTOM_START + 78,
2727   EL_CUSTOM_START + 79,
2728
2729   EL_CUSTOM_START + 80,
2730   EL_CUSTOM_START + 81,
2731   EL_CUSTOM_START + 82,
2732   EL_CUSTOM_START + 83,
2733
2734   EL_CUSTOM_START + 84,
2735   EL_CUSTOM_START + 85,
2736   EL_CUSTOM_START + 86,
2737   EL_CUSTOM_START + 87,
2738
2739   EL_CUSTOM_START + 88,
2740   EL_CUSTOM_START + 89,
2741   EL_CUSTOM_START + 90,
2742   EL_CUSTOM_START + 91,
2743
2744   EL_CUSTOM_START + 92,
2745   EL_CUSTOM_START + 93,
2746   EL_CUSTOM_START + 94,
2747   EL_CUSTOM_START + 95,
2748
2749   EL_CUSTOM_START + 96,
2750   EL_CUSTOM_START + 97,
2751   EL_CUSTOM_START + 98,
2752   EL_CUSTOM_START + 99,
2753
2754   EL_CUSTOM_START + 100,
2755   EL_CUSTOM_START + 101,
2756   EL_CUSTOM_START + 102,
2757   EL_CUSTOM_START + 103,
2758
2759   EL_CUSTOM_START + 104,
2760   EL_CUSTOM_START + 105,
2761   EL_CUSTOM_START + 106,
2762   EL_CUSTOM_START + 107,
2763
2764   EL_CUSTOM_START + 108,
2765   EL_CUSTOM_START + 109,
2766   EL_CUSTOM_START + 110,
2767   EL_CUSTOM_START + 111,
2768
2769   EL_CUSTOM_START + 112,
2770   EL_CUSTOM_START + 113,
2771   EL_CUSTOM_START + 114,
2772   EL_CUSTOM_START + 115,
2773
2774   EL_CUSTOM_START + 116,
2775   EL_CUSTOM_START + 117,
2776   EL_CUSTOM_START + 118,
2777   EL_CUSTOM_START + 119,
2778
2779   EL_CUSTOM_START + 120,
2780   EL_CUSTOM_START + 121,
2781   EL_CUSTOM_START + 122,
2782   EL_CUSTOM_START + 123,
2783
2784   EL_CUSTOM_START + 124,
2785   EL_CUSTOM_START + 125,
2786   EL_CUSTOM_START + 126,
2787   EL_CUSTOM_START + 127
2788 };
2789 static int *editor_hl_custom_ptr = editor_hl_custom;
2790 static int *editor_el_custom_ptr = editor_el_custom;
2791 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
2792 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
2793
2794 static int editor_hl_custom_more[] =
2795 {
2796 };
2797
2798 static int editor_el_custom_more[] =
2799 {
2800   EL_CUSTOM_START + 128,
2801   EL_CUSTOM_START + 129,
2802   EL_CUSTOM_START + 130,
2803   EL_CUSTOM_START + 131,
2804
2805   EL_CUSTOM_START + 132,
2806   EL_CUSTOM_START + 133,
2807   EL_CUSTOM_START + 134,
2808   EL_CUSTOM_START + 135,
2809
2810   EL_CUSTOM_START + 136,
2811   EL_CUSTOM_START + 137,
2812   EL_CUSTOM_START + 138,
2813   EL_CUSTOM_START + 139,
2814
2815   EL_CUSTOM_START + 140,
2816   EL_CUSTOM_START + 141,
2817   EL_CUSTOM_START + 142,
2818   EL_CUSTOM_START + 143,
2819
2820   EL_CUSTOM_START + 144,
2821   EL_CUSTOM_START + 145,
2822   EL_CUSTOM_START + 146,
2823   EL_CUSTOM_START + 147,
2824
2825   EL_CUSTOM_START + 148,
2826   EL_CUSTOM_START + 149,
2827   EL_CUSTOM_START + 150,
2828   EL_CUSTOM_START + 151,
2829
2830   EL_CUSTOM_START + 152,
2831   EL_CUSTOM_START + 153,
2832   EL_CUSTOM_START + 154,
2833   EL_CUSTOM_START + 155,
2834
2835   EL_CUSTOM_START + 156,
2836   EL_CUSTOM_START + 157,
2837   EL_CUSTOM_START + 158,
2838   EL_CUSTOM_START + 159,
2839
2840   EL_CUSTOM_START + 160,
2841   EL_CUSTOM_START + 161,
2842   EL_CUSTOM_START + 162,
2843   EL_CUSTOM_START + 163,
2844
2845   EL_CUSTOM_START + 164,
2846   EL_CUSTOM_START + 165,
2847   EL_CUSTOM_START + 166,
2848   EL_CUSTOM_START + 167,
2849
2850   EL_CUSTOM_START + 168,
2851   EL_CUSTOM_START + 169,
2852   EL_CUSTOM_START + 170,
2853   EL_CUSTOM_START + 171,
2854
2855   EL_CUSTOM_START + 172,
2856   EL_CUSTOM_START + 173,
2857   EL_CUSTOM_START + 174,
2858   EL_CUSTOM_START + 175,
2859
2860   EL_CUSTOM_START + 176,
2861   EL_CUSTOM_START + 177,
2862   EL_CUSTOM_START + 178,
2863   EL_CUSTOM_START + 179,
2864
2865   EL_CUSTOM_START + 180,
2866   EL_CUSTOM_START + 181,
2867   EL_CUSTOM_START + 182,
2868   EL_CUSTOM_START + 183,
2869
2870   EL_CUSTOM_START + 184,
2871   EL_CUSTOM_START + 185,
2872   EL_CUSTOM_START + 186,
2873   EL_CUSTOM_START + 187,
2874
2875   EL_CUSTOM_START + 188,
2876   EL_CUSTOM_START + 189,
2877   EL_CUSTOM_START + 190,
2878   EL_CUSTOM_START + 191,
2879
2880   EL_CUSTOM_START + 192,
2881   EL_CUSTOM_START + 193,
2882   EL_CUSTOM_START + 194,
2883   EL_CUSTOM_START + 195,
2884
2885   EL_CUSTOM_START + 196,
2886   EL_CUSTOM_START + 197,
2887   EL_CUSTOM_START + 198,
2888   EL_CUSTOM_START + 199,
2889
2890   EL_CUSTOM_START + 200,
2891   EL_CUSTOM_START + 201,
2892   EL_CUSTOM_START + 202,
2893   EL_CUSTOM_START + 203,
2894
2895   EL_CUSTOM_START + 204,
2896   EL_CUSTOM_START + 205,
2897   EL_CUSTOM_START + 206,
2898   EL_CUSTOM_START + 207,
2899
2900   EL_CUSTOM_START + 208,
2901   EL_CUSTOM_START + 209,
2902   EL_CUSTOM_START + 210,
2903   EL_CUSTOM_START + 211,
2904
2905   EL_CUSTOM_START + 212,
2906   EL_CUSTOM_START + 213,
2907   EL_CUSTOM_START + 214,
2908   EL_CUSTOM_START + 215,
2909
2910   EL_CUSTOM_START + 216,
2911   EL_CUSTOM_START + 217,
2912   EL_CUSTOM_START + 218,
2913   EL_CUSTOM_START + 219,
2914
2915   EL_CUSTOM_START + 220,
2916   EL_CUSTOM_START + 221,
2917   EL_CUSTOM_START + 222,
2918   EL_CUSTOM_START + 223,
2919
2920   EL_CUSTOM_START + 224,
2921   EL_CUSTOM_START + 225,
2922   EL_CUSTOM_START + 226,
2923   EL_CUSTOM_START + 227,
2924
2925   EL_CUSTOM_START + 228,
2926   EL_CUSTOM_START + 229,
2927   EL_CUSTOM_START + 230,
2928   EL_CUSTOM_START + 231,
2929
2930   EL_CUSTOM_START + 232,
2931   EL_CUSTOM_START + 233,
2932   EL_CUSTOM_START + 234,
2933   EL_CUSTOM_START + 235,
2934
2935   EL_CUSTOM_START + 236,
2936   EL_CUSTOM_START + 237,
2937   EL_CUSTOM_START + 238,
2938   EL_CUSTOM_START + 239,
2939
2940   EL_CUSTOM_START + 240,
2941   EL_CUSTOM_START + 241,
2942   EL_CUSTOM_START + 242,
2943   EL_CUSTOM_START + 243,
2944
2945   EL_CUSTOM_START + 244,
2946   EL_CUSTOM_START + 245,
2947   EL_CUSTOM_START + 246,
2948   EL_CUSTOM_START + 247,
2949
2950   EL_CUSTOM_START + 248,
2951   EL_CUSTOM_START + 249,
2952   EL_CUSTOM_START + 250,
2953   EL_CUSTOM_START + 251,
2954
2955   EL_CUSTOM_START + 252,
2956   EL_CUSTOM_START + 253,
2957   EL_CUSTOM_START + 254,
2958   EL_CUSTOM_START + 255
2959 };
2960 static int *editor_hl_custom_more_ptr = editor_hl_custom_more;
2961 static int *editor_el_custom_more_ptr = editor_el_custom_more;
2962 static int num_editor_hl_custom_more = SIZEOF_ARRAY_INT(editor_hl_custom_more);
2963 static int num_editor_el_custom_more = SIZEOF_ARRAY_INT(editor_el_custom_more);
2964
2965 static int editor_hl_group[] =
2966 {
2967   EL_CHAR('G'),
2968   EL_CHAR('R'),
2969   EL_CHAR('O'),
2970   EL_CHAR('U'),
2971
2972   EL_CHAR('P'),
2973   EL_CHAR(' '),
2974   EL_CHAR(' '),
2975   EL_CHAR(' '),
2976
2977   EL_CHAR('E'),
2978   EL_CHAR('L'),
2979   EL_CHAR('E'),
2980   EL_CHAR('M'),
2981
2982   EL_CHAR('E'),
2983   EL_CHAR('N'),
2984   EL_CHAR('T'),
2985   EL_CHAR('S'),
2986 };
2987
2988 static int editor_el_group[] =
2989 {
2990   EL_GROUP_START + 0,
2991   EL_GROUP_START + 1,
2992   EL_GROUP_START + 2,
2993   EL_GROUP_START + 3,
2994
2995   EL_GROUP_START + 4,
2996   EL_GROUP_START + 5,
2997   EL_GROUP_START + 6,
2998   EL_GROUP_START + 7,
2999
3000   EL_GROUP_START + 8,
3001   EL_GROUP_START + 9,
3002   EL_GROUP_START + 10,
3003   EL_GROUP_START + 11,
3004
3005   EL_GROUP_START + 12,
3006   EL_GROUP_START + 13,
3007   EL_GROUP_START + 14,
3008   EL_GROUP_START + 15
3009 };
3010 static int *editor_hl_group_ptr = editor_hl_group;
3011 static int *editor_el_group_ptr = editor_el_group;
3012 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
3013 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
3014
3015 static int editor_hl_group_more[] =
3016 {
3017 };
3018
3019 static int editor_el_group_more[] =
3020 {
3021   EL_GROUP_START + 16,
3022   EL_GROUP_START + 17,
3023   EL_GROUP_START + 18,
3024   EL_GROUP_START + 19,
3025
3026   EL_GROUP_START + 20,
3027   EL_GROUP_START + 21,
3028   EL_GROUP_START + 22,
3029   EL_GROUP_START + 23,
3030
3031   EL_GROUP_START + 24,
3032   EL_GROUP_START + 25,
3033   EL_GROUP_START + 26,
3034   EL_GROUP_START + 27,
3035
3036   EL_GROUP_START + 28,
3037   EL_GROUP_START + 29,
3038   EL_GROUP_START + 30,
3039   EL_GROUP_START + 31
3040 };
3041 static int *editor_hl_group_more_ptr = editor_hl_group_more;
3042 static int *editor_el_group_more_ptr = editor_el_group_more;
3043 static int num_editor_hl_group_more = SIZEOF_ARRAY_INT(editor_hl_group_more);
3044 static int num_editor_el_group_more = SIZEOF_ARRAY_INT(editor_el_group_more);
3045
3046 static int editor_hl_user_defined[] =
3047 {
3048   EL_CHAR('U'),
3049   EL_CHAR('S'),
3050   EL_CHAR('E'),
3051   EL_CHAR('R'),
3052
3053   EL_CHAR('D'),
3054   EL_CHAR('E'),
3055   EL_CHAR('F'),
3056   EL_CHAR('I'),
3057
3058   EL_CHAR('-'),
3059   EL_CHAR('N'),
3060   EL_CHAR('E'),
3061   EL_CHAR('D'),
3062 };
3063
3064 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
3065 static int *editor_el_user_defined_ptr = NULL;
3066 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
3067 static int num_editor_el_user_defined = 0;
3068
3069 static int editor_hl_empty[] = { };
3070 static int editor_el_empty[ED_NUM_ELEMENTLIST_BUTTONS];
3071
3072 static int *editor_hl_empty_ptr = editor_hl_empty;
3073 static int *editor_el_empty_ptr = editor_el_empty;
3074 static int num_editor_hl_empty = 0;
3075 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
3076
3077 static boolean use_el_empty = FALSE;
3078
3079 static int *editor_elements = NULL;     /* dynamically allocated */
3080 static int num_editor_elements = 0;     /* dynamically determined */
3081
3082 static struct
3083 {
3084   boolean *setup_value;
3085
3086   int **headline_list;
3087   int *headline_list_size;
3088
3089   int **element_list;
3090   int *element_list_size;
3091
3092   boolean last_setup_value;
3093 }
3094 editor_elements_info[] =
3095 {
3096   {
3097     &setup.editor.el_boulderdash,
3098     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
3099     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
3100   },
3101   {
3102     &setup.editor.el_emerald_mine,
3103     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
3104     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
3105   },
3106   {
3107     &setup.editor.el_more,
3108     &editor_hl_more_ptr,                &num_editor_hl_more,
3109     &editor_el_more_ptr,                &num_editor_el_more
3110   },
3111   {
3112     &setup.editor.el_sokoban,
3113     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
3114     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
3115   },
3116   {
3117     &setup.editor.el_supaplex,
3118     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
3119     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
3120   },
3121   {
3122     &setup.editor.el_diamond_caves,
3123     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
3124     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
3125   },
3126   {
3127     &setup.editor.el_dx_boulderdash,
3128     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
3129     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
3130   },
3131   {
3132     &setup.editor.el_chars,
3133     &editor_hl_chars_ptr,               &num_editor_hl_chars,
3134     &editor_el_chars_ptr,               &num_editor_el_chars
3135   },
3136   {
3137     &setup.editor.el_custom,
3138     &editor_hl_custom_ptr,              &num_editor_hl_custom,
3139     &editor_el_custom_ptr,              &num_editor_el_custom
3140   },
3141   {
3142     &setup.editor.el_custom_more,
3143     &editor_hl_custom_more_ptr,         &num_editor_hl_custom_more,
3144     &editor_el_custom_more_ptr,         &num_editor_el_custom_more
3145   },
3146   {
3147     &setup.editor.el_custom,
3148     &editor_hl_group_ptr,               &num_editor_hl_group,
3149     &editor_el_group_ptr,               &num_editor_el_group
3150   },
3151   {
3152     &setup.editor.el_custom_more,
3153     &editor_hl_group_more_ptr,          &num_editor_hl_group_more,
3154     &editor_el_group_more_ptr,          &num_editor_el_group_more
3155   },
3156   {
3157     &setup.editor.el_user_defined,
3158     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
3159     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
3160   },
3161   {
3162     &use_el_empty,
3163     &editor_hl_empty_ptr,               &num_editor_hl_empty,
3164     &editor_el_empty_ptr,               &num_editor_el_empty,
3165   },
3166   {
3167     NULL,
3168     NULL,                               NULL,
3169     NULL,                               NULL
3170   }
3171 };
3172
3173
3174 /*
3175   -----------------------------------------------------------------------------
3176   functions
3177   -----------------------------------------------------------------------------
3178 */
3179
3180 static int getMaxInfoTextLength()
3181 {
3182   return (SXSIZE / getFontWidth(FONT_TEXT_2));
3183 }
3184
3185 static int getTextWidthForGadget(char *text)
3186 {
3187   if (text == NULL)
3188     return 0;
3189
3190   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
3191 }
3192
3193 static int getTextWidthForDrawingArea(char *text)
3194 {
3195   if (text == NULL)
3196     return 0;
3197
3198   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
3199 }
3200
3201 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
3202 {
3203   return (gi->x + gi->width + getTextWidthForGadget(text));
3204 }
3205
3206 static char *getElementInfoText(int element)
3207 {
3208   char *info_text = NULL;
3209
3210   if (element < NUM_FILE_ELEMENTS)
3211   {
3212     if (strlen(element_info[element].description) > 0)
3213       info_text = element_info[element].description;
3214     else if (element_info[element].custom_description != NULL)
3215       info_text = element_info[element].custom_description;
3216     else if (element_info[element].editor_description != NULL)
3217       info_text = element_info[element].editor_description;
3218   }
3219
3220   if (info_text == NULL)
3221     info_text = INFOTEXT_UNKNOWN_ELEMENT;
3222
3223   return info_text;
3224 }
3225
3226 static void ReinitializeElementList()
3227 {
3228   static boolean initialized = FALSE;
3229   int pos = 0;
3230   int i, j;
3231
3232   checked_free(editor_elements);
3233
3234   if (!initialized)
3235   {
3236     /* initialize optional user defined element list */
3237     LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
3238                                      &num_editor_el_user_defined);
3239
3240     /* initialize list of empty elements (used for padding, if needed) */
3241     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
3242       editor_el_empty[i] = EL_EMPTY;
3243
3244     /* do some sanity checks for each element from element list */
3245     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3246     {
3247       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
3248       {
3249         int element = (*editor_elements_info[i].element_list)[j];
3250
3251         if (element >= NUM_FILE_ELEMENTS)
3252           Error(ERR_WARN, "editor element %d is runtime element", element);
3253
3254         if (strcmp(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT) == 0)
3255           Error(ERR_WARN, "no element description for element %d", element);
3256       }
3257     }
3258
3259     initialized = TRUE;
3260   }
3261
3262   num_editor_elements = 0;
3263   use_el_empty = FALSE;
3264
3265   /* determine size of element list */
3266   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3267   {
3268     if (*editor_elements_info[i].setup_value)
3269     {
3270       if (setup.editor.el_headlines)
3271         num_editor_elements += *editor_elements_info[i].headline_list_size;
3272
3273       num_editor_elements += *editor_elements_info[i].element_list_size;
3274     }
3275   }
3276
3277   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
3278   {
3279     /* offer at least as many elements as element buttons exist */
3280     use_el_empty = TRUE;
3281     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
3282
3283     num_editor_elements += num_editor_el_empty;
3284   }
3285
3286   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
3287
3288   /* fill element list */
3289   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3290   {
3291     if (*editor_elements_info[i].setup_value)
3292     {
3293       if (setup.editor.el_headlines)
3294         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
3295           editor_elements[pos++] = (*editor_elements_info[i].headline_list)[j];
3296
3297       for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
3298         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
3299     }
3300   }
3301
3302   /* correct position of element list scrollbar */
3303   if (element_shift < 0)
3304     element_shift = 0;
3305   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
3306     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
3307 }
3308
3309 void PrintEditorElementList()
3310 {
3311   boolean *stop = &setup.editor.el_user_defined;
3312   int i, j;
3313
3314   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
3315   {
3316     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
3317     {
3318       int element = (*editor_elements_info[i].headline_list)[j];
3319
3320       printf("# %s\n", element_info[element].token_name);
3321     }
3322
3323     if (j > 0)
3324       printf("#\n");
3325
3326     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
3327     {
3328       int element = (*editor_elements_info[i].element_list)[j];
3329
3330       printf("# %s\n", element_info[element].token_name);
3331     }
3332
3333     if (j > 0)
3334       printf("#\n");
3335   }
3336 }
3337
3338 static void ReinitializeElementListButtons()
3339 {
3340   static boolean last_setup_value_headlines = FALSE;
3341   static boolean initialization_needed = TRUE;
3342   int i;
3343
3344   if (!initialization_needed)   /* check if editor element setup has changed */
3345   {
3346     if (last_setup_value_headlines != setup.editor.el_headlines)
3347       initialization_needed = TRUE;
3348
3349     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3350       if (editor_elements_info[i].last_setup_value !=
3351           *editor_elements_info[i].setup_value)
3352         initialization_needed = TRUE;
3353   }
3354
3355   if (!initialization_needed)
3356     return;
3357
3358   FreeLevelEditorGadgets();
3359   CreateLevelEditorGadgets();
3360
3361   /* store current setup values for next invocation of this function */
3362   last_setup_value_headlines = setup.editor.el_headlines;
3363   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
3364     editor_elements_info[i].last_setup_value =
3365       *editor_elements_info[i].setup_value;
3366
3367   initialization_needed = FALSE;
3368 }
3369
3370 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
3371                               boolean input)
3372 {
3373   int border_graphic =
3374     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
3375   Bitmap *src_bitmap;
3376   int src_x, src_y;
3377   int num_mini_tilex = width  / MINI_TILEX + 1;
3378   int num_mini_tiley = height / MINI_TILEY + 1;
3379   int x, y;
3380
3381   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3382
3383   for (y = 0; y < num_mini_tiley; y++)
3384     for (x = 0; x < num_mini_tilex; x++)
3385       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3386                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3387                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3388
3389   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3390 }
3391
3392 static void DrawDrawingArea(int id)
3393 {
3394   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
3395   int x, y;
3396
3397   if (id == ED_DRAWING_ID_RANDOM_BACKGROUND)
3398     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3399                        el2edimg(random_placement_background_element));
3400   else if (id == ED_DRAWING_ID_AMOEBA_CONTENT)
3401     DrawMiniGraphicExt(drawto, gi->x, gi->y, el2edimg(level.amoeba_content));
3402   else if (id == ED_DRAWING_ID_CUSTOM_GRAPHIC)
3403     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3404                        el2edimg(custom_element.gfx_element));
3405   else if (id == ED_DRAWING_ID_CUSTOM_CONTENT)
3406     for (y = 0; y < 3; y++)
3407       for (x = 0; x < 3; x++)
3408         DrawMiniGraphicExt(drawto,
3409                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3410                            el2edimg(custom_element.content[x][y]));
3411   else if (id == ED_DRAWING_ID_CUSTOM_MOVE_ENTER)
3412     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3413                        el2edimg(custom_element.move_enter_element));
3414   else if (id == ED_DRAWING_ID_CUSTOM_MOVE_LEAVE)
3415     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3416                        el2edimg(custom_element.move_leave_element));
3417   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TARGET)
3418     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3419                        el2edimg(custom_element_change.target_element));
3420   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT)
3421     for (y = 0; y < 3; y++)
3422       for (x = 0; x < 3; x++)
3423         DrawMiniGraphicExt(drawto,
3424                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3425                            el2edimg(custom_element_change.content[x][y]));
3426   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER)
3427     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3428                        el2edimg(custom_element_change.trigger_element));
3429   else if (id == ED_DRAWING_ID_GROUP_CONTENT)
3430     for (x = 0; x < group_element_info.num_elements; x++)
3431       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX, gi->y,
3432                          el2edimg(group_element_info.element[x]));
3433   else if (id >= ED_DRAWING_ID_ELEMENT_CONTENT_0 &&
3434            id <= ED_DRAWING_ID_ELEMENT_CONTENT_7)
3435   {
3436     int nr = id - ED_DRAWING_ID_ELEMENT_CONTENT_0;
3437
3438     for (y = 0; y < 3; y++)
3439       for (x = 0; x < 3; x++)
3440         DrawMiniGraphicExt(drawto,
3441                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3442                            el2edimg(level.yamyam_content[nr][x][y]));
3443   }
3444 }
3445
3446 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
3447 {
3448   int x,y;
3449   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
3450   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
3451
3452   BlitBitmap(drawto, drawto,
3453              SX + (dx == -1 ? MINI_TILEX : 0),
3454              SY + (dy == -1 ? MINI_TILEY : 0),
3455              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
3456              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
3457              SX + (dx == +1 ? MINI_TILEX : 0),
3458              SY + (dy == +1 ? MINI_TILEY : 0));
3459   if (dx)
3460   {
3461     x = (dx == 1 ? 0 : ed_fieldx - 1);
3462     for (y = 0; y < ed_fieldy; y++)
3463       DrawMiniElementOrWall(x, y, from_x, from_y);
3464   }
3465   else if (dy)
3466   {
3467     y = (dy == 1 ? 0 : ed_fieldy - 1);
3468     for (x = 0; x < ed_fieldx; x++)
3469       DrawMiniElementOrWall(x, y, from_x, from_y);
3470   }
3471
3472   redraw_mask |= REDRAW_FIELD;
3473   BackToFront();
3474 }
3475
3476 static void CreateControlButtons()
3477 {
3478   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3479   struct GadgetInfo *gi;
3480   unsigned long event_mask;
3481   int i;
3482
3483   /* create toolbox buttons */
3484   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
3485   {
3486     int id = i;
3487     int width, height;
3488     int gd_xoffset, gd_yoffset;
3489     int gd_x1, gd_x2, gd_y1, gd_y2;
3490     int button_type;
3491     int radio_button_nr;
3492     boolean checked;
3493
3494     if (id == GADGET_ID_SINGLE_ITEMS ||
3495         id == GADGET_ID_CONNECTED_ITEMS ||
3496         id == GADGET_ID_LINE ||
3497         id == GADGET_ID_ARC ||
3498         id == GADGET_ID_TEXT ||
3499         id == GADGET_ID_RECTANGLE ||
3500         id == GADGET_ID_FILLED_BOX ||
3501         id == GADGET_ID_FLOOD_FILL ||
3502         id == GADGET_ID_GRAB_BRUSH ||
3503         id == GADGET_ID_PICK_ELEMENT ||
3504         id == GADGET_ID_CUSTOM_COPY_FROM ||
3505         id == GADGET_ID_CUSTOM_COPY_TO ||
3506         id == GADGET_ID_CUSTOM_EXCHANGE)
3507     {
3508       button_type = GD_TYPE_RADIO_BUTTON;
3509       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
3510       checked = (id == drawing_function ? TRUE : FALSE);
3511       event_mask = GD_EVENT_PRESSED;
3512     }
3513     else
3514     {
3515       button_type = GD_TYPE_NORMAL_BUTTON;
3516       radio_button_nr = RADIO_NR_NONE;
3517       checked = FALSE;
3518
3519       if (id == GADGET_ID_WRAP_LEFT ||
3520           id == GADGET_ID_WRAP_RIGHT ||
3521           id == GADGET_ID_WRAP_UP ||
3522           id == GADGET_ID_WRAP_DOWN)
3523         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3524       else
3525         event_mask = GD_EVENT_RELEASED;
3526     }
3527
3528     if (id < ED_NUM_CTRL1_BUTTONS)
3529     {
3530       int x = i % ED_CTRL1_BUTTONS_HORIZ;
3531       int y = i / ED_CTRL1_BUTTONS_HORIZ;
3532
3533       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
3534       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
3535       width = ED_CTRL1_BUTTON_XSIZE;
3536       height = ED_CTRL1_BUTTON_YSIZE;
3537
3538       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
3539       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
3540       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_GFX_YPOS     + gd_yoffset;
3541       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL1_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
3542     }
3543     else if (id < ED_NUM_CTRL1_2_BUTTONS)
3544     {
3545       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
3546       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
3547
3548       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
3549       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
3550       width = ED_CTRL2_BUTTON_XSIZE;
3551       height = ED_CTRL2_BUTTON_YSIZE;
3552
3553       gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
3554       gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
3555       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL2_BUTTONS_GFX_YPOS + gd_yoffset;
3556       gd_y2 = 0;        /* no alternative graphic for these buttons */
3557     }
3558     else
3559     {
3560       int x = (i - ED_NUM_CTRL1_2_BUTTONS) % ED_CTRL3_BUTTONS_HORIZ + 1;
3561       int y = (i - ED_NUM_CTRL1_2_BUTTONS) / ED_CTRL3_BUTTONS_HORIZ;
3562
3563       gd_xoffset = ED_CTRL3_BUTTONS_XPOS + x * ED_CTRL3_BUTTON_XSIZE;
3564       gd_yoffset = ED_CTRL3_BUTTONS_YPOS + y * ED_CTRL3_BUTTON_YSIZE;
3565       width = ED_CTRL3_BUTTON_XSIZE;
3566       height = ED_CTRL3_BUTTON_YSIZE;
3567
3568       gd_x1 = DOOR_GFX_PAGEX6 + gd_xoffset;
3569       gd_x2 = DOOR_GFX_PAGEX5 + gd_xoffset;
3570       gd_y1 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_GFX_YPOS     + gd_yoffset;
3571       gd_y2 = DOOR_GFX_PAGEY1 + ED_CTRL3_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
3572     }
3573
3574     gi = CreateGadget(GDI_CUSTOM_ID, id,
3575                       GDI_CUSTOM_TYPE_ID, i,
3576                       GDI_INFO_TEXT, control_info[i].text,
3577                       GDI_X, EX + gd_xoffset,
3578                       GDI_Y, EY + gd_yoffset,
3579                       GDI_WIDTH, width,
3580                       GDI_HEIGHT, height,
3581                       GDI_TYPE, button_type,
3582                       GDI_STATE, GD_BUTTON_UNPRESSED,
3583                       GDI_RADIO_NR, radio_button_nr,
3584                       GDI_CHECKED, checked,
3585                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3586                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3587                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3588                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3589                       GDI_EVENT_MASK, event_mask,
3590                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3591                       GDI_CALLBACK_ACTION, HandleControlButtons,
3592                       GDI_END);
3593
3594     if (gi == NULL)
3595       Error(ERR_EXIT, "cannot create gadget");
3596
3597     level_editor_gadget[id] = gi;
3598   }
3599
3600   /* create buttons for scrolling of drawing area and element list */
3601   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
3602   {
3603     int id = scrollbutton_info[i].gadget_id;
3604     int x, y, width, height;
3605     int gd_x1, gd_x2, gd_y1, gd_y2;
3606
3607     x = scrollbutton_info[i].x;
3608     y = scrollbutton_info[i].y;
3609
3610     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3611
3612     if (id == GADGET_ID_SCROLL_LIST_UP ||
3613         id == GADGET_ID_SCROLL_LIST_DOWN)
3614     {
3615       x += DX;
3616       y += DY;
3617       width = ED_SCROLLBUTTON2_XSIZE;
3618       height = ED_SCROLLBUTTON2_YSIZE;
3619       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
3620       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
3621       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
3622       gd_y2 = gd_y1;
3623     }
3624     else
3625     {
3626       x += SX;
3627       y += SY;
3628       width = ED_SCROLLBUTTON_XSIZE;
3629       height = ED_SCROLLBUTTON_YSIZE;
3630       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
3631       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
3632       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
3633       gd_y2 = gd_y1;
3634     }
3635
3636     gi = CreateGadget(GDI_CUSTOM_ID, id,
3637                       GDI_CUSTOM_TYPE_ID, i,
3638                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
3639                       GDI_X, x,
3640                       GDI_Y, y,
3641                       GDI_WIDTH, width,
3642                       GDI_HEIGHT, height,
3643                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3644                       GDI_STATE, GD_BUTTON_UNPRESSED,
3645                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3646                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3647                       GDI_EVENT_MASK, event_mask,
3648                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3649                       GDI_CALLBACK_ACTION, HandleControlButtons,
3650                       GDI_END);
3651
3652     if (gi == NULL)
3653       Error(ERR_EXIT, "cannot create gadget");
3654
3655     level_editor_gadget[id] = gi;
3656   }
3657
3658   /* create buttons for element list */
3659   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
3660   {
3661     Bitmap *deco_bitmap;
3662     int deco_x, deco_y, deco_xpos, deco_ypos;
3663     int gd_xoffset, gd_yoffset;
3664     int gd_x1, gd_x2, gd_y;
3665     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
3666     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
3667     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
3668     int element = editor_elements[i];
3669
3670     event_mask = GD_EVENT_RELEASED;
3671
3672     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
3673     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
3674
3675     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
3676     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
3677     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
3678
3679     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
3680     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
3681     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
3682
3683     gi = CreateGadget(GDI_CUSTOM_ID, id,
3684                       GDI_CUSTOM_TYPE_ID, i,
3685                       GDI_INFO_TEXT, getElementInfoText(element),
3686                       GDI_X, DX + gd_xoffset,
3687                       GDI_Y, DY + gd_yoffset,
3688                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
3689                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
3690                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3691                       GDI_STATE, GD_BUTTON_UNPRESSED,
3692                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3693                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3694                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
3695                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
3696                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
3697                       GDI_DECORATION_SHIFTING, 1, 1,
3698                       GDI_EVENT_MASK, event_mask,
3699                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3700                       GDI_CALLBACK_ACTION, HandleControlButtons,
3701                       GDI_END);
3702
3703     if (gi == NULL)
3704       Error(ERR_EXIT, "cannot create gadget");
3705
3706     level_editor_gadget[id] = gi;
3707   }
3708 }
3709
3710 static void CreateCounterButtons()
3711 {
3712   int max_infotext_len = getMaxInfoTextLength();
3713   int i;
3714
3715   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
3716   {
3717     int j;
3718     int x = SX + counterbutton_info[i].x;       /* down count button */
3719     int y = SY + counterbutton_info[i].y;
3720
3721     /* determine horizontal position to the right of specified gadget */
3722     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3723       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
3724            ED_GADGET_TEXT_DISTANCE);
3725
3726     /* determine horizontal offset for leading text */
3727     if (counterbutton_info[i].text_left != NULL)
3728       x += getTextWidthForGadget(counterbutton_info[i].text_left);
3729
3730     for (j = 0; j < 2; j++)
3731     {
3732       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3733       struct GadgetInfo *gi;
3734       int id = (j == 0 ?
3735                 counterbutton_info[i].gadget_id_down :
3736                 counterbutton_info[i].gadget_id_up);
3737       int gd_xoffset;
3738       int gd_x, gd_x1, gd_x2, gd_y;
3739       int x_size, y_size;
3740       unsigned long event_mask;
3741       char infotext[max_infotext_len + 1];
3742
3743       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3744
3745       if (i == ED_COUNTER_ID_SELECT_LEVEL)
3746       {
3747         int sid = (j == 0 ?
3748                    ED_SCROLLBUTTON_ID_AREA_LEFT :
3749                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
3750
3751         event_mask |= GD_EVENT_RELEASED;
3752
3753         if (j == 1)
3754           x += 2 * ED_GADGET_DISTANCE;
3755         y += ED_GADGET_DISTANCE;
3756
3757         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
3758         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
3759         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
3760         x_size = ED_SCROLLBUTTON_XSIZE;
3761         y_size = ED_SCROLLBUTTON_YSIZE;
3762       }
3763       else
3764       {
3765         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
3766         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
3767         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
3768         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
3769         x_size = ED_BUTTON_COUNT_XSIZE;
3770         y_size = ED_BUTTON_COUNT_YSIZE;
3771       }
3772
3773       sprintf(infotext, "%s counter value by 1, 5 or 10",
3774               (j == 0 ? "decrease" : "increase"));
3775
3776       gi = CreateGadget(GDI_CUSTOM_ID, id,
3777                         GDI_CUSTOM_TYPE_ID, i,
3778                         GDI_INFO_TEXT, infotext,
3779                         GDI_X, x,
3780                         GDI_Y, y,
3781                         GDI_WIDTH, x_size,
3782                         GDI_HEIGHT, y_size,
3783                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3784                         GDI_STATE, GD_BUTTON_UNPRESSED,
3785                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3786                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3787                         GDI_EVENT_MASK, event_mask,
3788                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3789                         GDI_CALLBACK_ACTION, HandleCounterButtons,
3790                         GDI_END);
3791
3792       if (gi == NULL)
3793         Error(ERR_EXIT, "cannot create gadget");
3794
3795       level_editor_gadget[id] = gi;
3796       right_gadget_border[id] =
3797         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
3798
3799       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
3800
3801       if (j == 0)
3802       {
3803         int font_type = FONT_INPUT_1;
3804         int font_type_active = FONT_INPUT_1_ACTIVE;
3805         int gd_width = ED_WIN_COUNT_XSIZE;
3806
3807         id = counterbutton_info[i].gadget_id_text;
3808         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3809
3810         if (i == ED_COUNTER_ID_SELECT_LEVEL)
3811         {
3812           font_type = FONT_LEVEL_NUMBER;
3813           font_type_active = FONT_LEVEL_NUMBER;
3814
3815           x += 2 * ED_GADGET_DISTANCE;
3816           y -= ED_GADGET_DISTANCE;
3817
3818           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
3819           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
3820           gd_width = ED_WIN_COUNT2_XSIZE;
3821         }
3822         else
3823         {
3824           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3825           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3826         }
3827
3828         gi = CreateGadget(GDI_CUSTOM_ID, id,
3829                           GDI_CUSTOM_TYPE_ID, i,
3830                           GDI_INFO_TEXT, "enter counter value",
3831                           GDI_X, x,
3832                           GDI_Y, y,
3833                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
3834                           GDI_NUMBER_VALUE, 0,
3835                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
3836                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
3837                           GDI_TEXT_SIZE, 3,
3838                           GDI_TEXT_FONT, font_type,
3839                           GDI_TEXT_FONT_ACTIVE, font_type_active,
3840                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3841                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3842                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3843                           GDI_DESIGN_WIDTH, gd_width,
3844                           GDI_EVENT_MASK, event_mask,
3845                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3846                           GDI_CALLBACK_ACTION, HandleCounterButtons,
3847                           GDI_END);
3848
3849         if (gi == NULL)
3850           Error(ERR_EXIT, "cannot create gadget");
3851
3852         level_editor_gadget[id] = gi;
3853         right_gadget_border[id] =
3854           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
3855
3856         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
3857       }
3858     }
3859   }
3860 }
3861
3862 static void CreateDrawingAreas()
3863 {
3864   int i;
3865
3866   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
3867   {
3868     struct GadgetInfo *gi;
3869     unsigned long event_mask;
3870     int id = drawingarea_info[i].gadget_id;
3871     int x = SX + drawingarea_info[i].x;
3872     int y = SY + drawingarea_info[i].y;
3873     int area_xsize = drawingarea_info[i].area_xsize;
3874     int area_ysize = drawingarea_info[i].area_ysize;
3875
3876     event_mask =
3877       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
3878       GD_EVENT_OFF_BORDERS;
3879
3880     /* determine horizontal position to the right of specified gadget */
3881     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
3882       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
3883            ED_DRAWINGAREA_TEXT_DISTANCE);
3884
3885     /* determine horizontal offset for leading text */
3886     if (drawingarea_info[i].text_left != NULL)
3887       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
3888
3889     gi = CreateGadget(GDI_CUSTOM_ID, id,
3890                       GDI_CUSTOM_TYPE_ID, i,
3891                       GDI_X, x,
3892                       GDI_Y, y,
3893                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
3894                       GDI_AREA_SIZE, area_xsize, area_ysize,
3895                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
3896                       GDI_EVENT_MASK, event_mask,
3897                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
3898                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
3899                       GDI_END);
3900
3901     if (gi == NULL)
3902       Error(ERR_EXIT, "cannot create gadget");
3903
3904     level_editor_gadget[id] = gi;
3905     right_gadget_border[id] =
3906       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
3907   }
3908 }
3909
3910 static void CreateTextInputGadgets()
3911 {
3912   int max_infotext_len = getMaxInfoTextLength();
3913   int i;
3914
3915   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
3916   {
3917     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3918     int gd_x, gd_y;
3919     struct GadgetInfo *gi;
3920     unsigned long event_mask;
3921     char infotext[MAX_OUTPUT_LINESIZE + 1];
3922     int id = textinput_info[i].gadget_id;
3923
3924     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3925
3926     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3927     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3928
3929     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
3930     infotext[max_infotext_len] = '\0';
3931
3932     gi = CreateGadget(GDI_CUSTOM_ID, id,
3933                       GDI_CUSTOM_TYPE_ID, i,
3934                       GDI_INFO_TEXT, infotext,
3935                       GDI_X, SX + textinput_info[i].x,
3936                       GDI_Y, SY + textinput_info[i].y,
3937                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
3938                       GDI_TEXT_VALUE, textinput_info[i].value,
3939                       GDI_TEXT_SIZE, textinput_info[i].size,
3940                       GDI_TEXT_FONT, FONT_INPUT_1,
3941                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3942                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3943                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3944                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3945                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3946                       GDI_EVENT_MASK, event_mask,
3947                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3948                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
3949                       GDI_END);
3950
3951     if (gi == NULL)
3952       Error(ERR_EXIT, "cannot create gadget");
3953
3954     level_editor_gadget[id] = gi;
3955   }
3956 }
3957
3958 static void CreateTextAreaGadgets()
3959 {
3960   int max_infotext_len = getMaxInfoTextLength();
3961   int i;
3962
3963   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
3964   {
3965     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3966     int gd_x, gd_y;
3967     struct GadgetInfo *gi;
3968     unsigned long event_mask;
3969     char infotext[MAX_OUTPUT_LINESIZE + 1];
3970     int id = textarea_info[i].gadget_id;
3971     int area_xsize = textarea_info[i].xsize;
3972     int area_ysize = textarea_info[i].ysize;
3973
3974     event_mask = GD_EVENT_TEXT_LEAVING;
3975
3976     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3977     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3978
3979     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
3980     infotext[max_infotext_len] = '\0';
3981
3982     gi = CreateGadget(GDI_CUSTOM_ID, id,
3983                       GDI_CUSTOM_TYPE_ID, i,
3984                       GDI_INFO_TEXT, infotext,
3985                       GDI_X, SX + textarea_info[i].x,
3986                       GDI_Y, SY + textarea_info[i].y,
3987                       GDI_TYPE, GD_TYPE_TEXT_AREA,
3988                       GDI_AREA_SIZE, area_xsize, area_ysize,
3989                       GDI_TEXT_FONT, FONT_INPUT_1,
3990                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3991                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3992                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3993                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3994                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3995                       GDI_EVENT_MASK, event_mask,
3996                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3997                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
3998                       GDI_END);
3999
4000     if (gi == NULL)
4001       Error(ERR_EXIT, "cannot create gadget");
4002
4003     level_editor_gadget[id] = gi;
4004   }
4005 }
4006
4007 static void CreateSelectboxGadgets()
4008 {
4009   int max_infotext_len = getMaxInfoTextLength();
4010   int i, j;
4011
4012   for (i = 0; i < ED_NUM_SELECTBOX; i++)
4013   {
4014     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4015     int gd_x, gd_y;
4016     struct GadgetInfo *gi;
4017     unsigned long event_mask;
4018     char infotext[MAX_OUTPUT_LINESIZE + 1];
4019     int id = selectbox_info[i].gadget_id;
4020     int x = SX + selectbox_info[i].x;
4021     int y = SY + selectbox_info[i].y;
4022
4023     if (selectbox_info[i].size == -1)   /* dynamically determine size */
4024     {
4025       /* (we cannot use -1 for uninitialized values if we directly compare
4026          with results from strlen(), because the '<' and '>' operation will
4027          implicitely cast -1 to an unsigned integer value!) */
4028       selectbox_info[i].size = 0;
4029
4030       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
4031         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
4032           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
4033
4034       selectbox_info[i].size++;         /* add one character empty space */
4035     }
4036
4037     event_mask = GD_EVENT_RELEASED |
4038       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
4039
4040     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
4041     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
4042
4043     /* determine horizontal position to the right of specified gadget */
4044     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
4045       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
4046            ED_GADGET_TEXT_DISTANCE);
4047
4048     /* determine horizontal offset for leading text */
4049     if (selectbox_info[i].text_left != NULL)
4050       x += getTextWidthForGadget(selectbox_info[i].text_left);
4051
4052     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
4053     infotext[max_infotext_len] = '\0';
4054
4055     gi = CreateGadget(GDI_CUSTOM_ID, id,
4056                       GDI_CUSTOM_TYPE_ID, i,
4057                       GDI_INFO_TEXT, infotext,
4058                       GDI_X, x,
4059                       GDI_Y, y,
4060                       GDI_TYPE, GD_TYPE_SELECTBOX,
4061                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
4062                       GDI_TEXT_SIZE, selectbox_info[i].size,
4063                       GDI_TEXT_FONT, FONT_INPUT_1,
4064                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
4065                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
4066                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
4067                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4068                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
4069                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4070                       GDI_EVENT_MASK, event_mask,
4071                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4072                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
4073                       GDI_END);
4074
4075     if (gi == NULL)
4076       Error(ERR_EXIT, "cannot create gadget");
4077
4078     level_editor_gadget[id] = gi;
4079     right_gadget_border[id] =
4080       getRightGadgetBorder(gi, selectbox_info[i].text_right);
4081   }
4082 }
4083
4084 static void CreateTextbuttonGadgets()
4085 {
4086   int max_infotext_len = getMaxInfoTextLength();
4087   int i;
4088
4089   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
4090   {
4091     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4092     int gd_x1, gd_x2, gd_y1, gd_y2;
4093     struct GadgetInfo *gi;
4094     unsigned long event_mask;
4095     char infotext[MAX_OUTPUT_LINESIZE + 1];
4096     int id = textbutton_info[i].gadget_id;
4097     int x = SX + textbutton_info[i].x;
4098     int y = SY + textbutton_info[i].y;
4099
4100     if (textbutton_info[i].size == -1)  /* dynamically determine size */
4101       textbutton_info[i].size = strlen(textbutton_info[i].text);
4102
4103     event_mask = GD_EVENT_RELEASED;
4104
4105     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
4106     {
4107       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
4108       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
4109       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
4110       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
4111     }
4112     else
4113     {
4114       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
4115       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
4116       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
4117       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
4118     }
4119
4120     sprintf(infotext, "%s", textbutton_info[i].infotext);
4121     infotext[max_infotext_len] = '\0';
4122
4123     /* determine horizontal position to the right of specified gadget */
4124     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4125       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
4126            ED_GADGET_TEXT_DISTANCE);
4127
4128     /* determine horizontal offset for leading text */
4129     if (textbutton_info[i].text_left != NULL)
4130       x += getTextWidthForGadget(textbutton_info[i].text_left);
4131
4132     gi = CreateGadget(GDI_CUSTOM_ID, id,
4133                       GDI_CUSTOM_TYPE_ID, i,
4134                       GDI_INFO_TEXT, infotext,
4135                       GDI_X, x,
4136                       GDI_Y, y,
4137                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
4138                       GDI_TEXT_VALUE, textbutton_info[i].text,
4139                       GDI_TEXT_SIZE, textbutton_info[i].size,
4140                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
4141                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
4142                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4143                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
4144                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
4145                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
4146                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
4147                       GDI_DECORATION_SHIFTING, 1, 1,
4148                       GDI_EVENT_MASK, event_mask,
4149                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4150                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
4151                       GDI_END);
4152
4153     if (gi == NULL)
4154       Error(ERR_EXIT, "cannot create gadget");
4155
4156     level_editor_gadget[id] = gi;
4157     right_gadget_border[id] =
4158       getRightGadgetBorder(gi, textbutton_info[i].text_right);
4159   }
4160 }
4161
4162 static void CreateGraphicbuttonGadgets()
4163 {
4164   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4165   struct GadgetInfo *gi;
4166   unsigned long event_mask;
4167   int i;
4168
4169   /* create buttons for scrolling of drawing area and element list */
4170   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
4171   {
4172     int id = graphicbutton_info[i].gadget_id;
4173     int gd_x1, gd_x2, gd_y1, gd_y2;
4174     int x = SX + graphicbutton_info[i].x;
4175     int y = SY + graphicbutton_info[i].y;
4176
4177     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
4178
4179     gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
4180     gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
4181     gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
4182     gd_y2 = gd_y1;
4183
4184     /* determine horizontal position to the right of specified gadget */
4185     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4186       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
4187            ED_GADGET_TEXT_DISTANCE);
4188
4189     /* determine horizontal offset for leading text */
4190     if (graphicbutton_info[i].text_left != NULL)
4191       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
4192
4193     gi = CreateGadget(GDI_CUSTOM_ID, id,
4194                       GDI_CUSTOM_TYPE_ID, i,
4195                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
4196                       GDI_X, x,
4197                       GDI_Y, y,
4198                       GDI_WIDTH, graphicbutton_info[i].width,
4199                       GDI_HEIGHT, graphicbutton_info[i].height,
4200                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
4201                       GDI_STATE, GD_BUTTON_UNPRESSED,
4202                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4203                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
4204                       GDI_EVENT_MASK, event_mask,
4205                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4206                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
4207                       GDI_END);
4208
4209     if (gi == NULL)
4210       Error(ERR_EXIT, "cannot create gadget");
4211
4212     level_editor_gadget[id] = gi;
4213     right_gadget_border[id] =
4214       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
4215   }
4216 }
4217
4218 static void CreateScrollbarGadgets()
4219 {
4220   int i;
4221
4222   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
4223   {
4224     int id = scrollbar_info[i].gadget_id;
4225     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4226     int gd_x1, gd_x2, gd_y1, gd_y2;
4227     struct GadgetInfo *gi;
4228     int items_max, items_visible, item_position;
4229     unsigned long event_mask;
4230
4231     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
4232     {
4233       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
4234       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
4235       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
4236     }
4237     else        /* drawing area scrollbars */
4238     {
4239       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
4240       {
4241         items_max = MAX(lev_fieldx + 2, ed_fieldx);
4242         items_visible = ed_fieldx;
4243         item_position = 0;
4244       }
4245       else
4246       {
4247         items_max = MAX(lev_fieldy + 2, ed_fieldy);
4248         items_visible = ed_fieldy;
4249         item_position = 0;
4250       }
4251     }
4252
4253     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
4254
4255     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
4256     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
4257                       scrollbar_info[i].height : scrollbar_info[i].width));
4258     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
4259     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
4260
4261     gi = CreateGadget(GDI_CUSTOM_ID, id,
4262                       GDI_CUSTOM_TYPE_ID, i,
4263                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
4264                       GDI_X, scrollbar_info[i].x,
4265                       GDI_Y, scrollbar_info[i].y,
4266                       GDI_WIDTH, scrollbar_info[i].width,
4267                       GDI_HEIGHT, scrollbar_info[i].height,
4268                       GDI_TYPE, scrollbar_info[i].type,
4269                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
4270                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
4271                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
4272                       GDI_STATE, GD_BUTTON_UNPRESSED,
4273                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
4274                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
4275                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
4276                       GDI_EVENT_MASK, event_mask,
4277                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4278                       GDI_CALLBACK_ACTION, HandleControlButtons,
4279                       GDI_END);
4280
4281     if (gi == NULL)
4282       Error(ERR_EXIT, "cannot create gadget");
4283
4284     level_editor_gadget[id] = gi;
4285   }
4286 }
4287
4288 static void CreateCheckbuttonGadgets()
4289 {
4290   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4291   struct GadgetInfo *gi;
4292   unsigned long event_mask;
4293   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
4294   int i;
4295
4296   event_mask = GD_EVENT_PRESSED;
4297
4298   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4299   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4300   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
4301   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
4302   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
4303
4304   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
4305   {
4306     int id = checkbutton_info[i].gadget_id;
4307     int x = SX + checkbutton_info[i].x;
4308     int y = SY + checkbutton_info[i].y;
4309
4310     if (id == GADGET_ID_STICK_ELEMENT)
4311       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
4312     else
4313       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
4314
4315     /* determine horizontal position to the right of specified gadget */
4316     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
4317       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
4318            ED_GADGET_TEXT_DISTANCE);
4319
4320     /* determine horizontal offset for leading text */
4321     if (checkbutton_info[i].text_left != NULL)
4322       x += getTextWidthForGadget(checkbutton_info[i].text_left);
4323
4324     gi = CreateGadget(GDI_CUSTOM_ID, id,
4325                       GDI_CUSTOM_TYPE_ID, i,
4326                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
4327                       GDI_X, x,
4328                       GDI_Y, y,
4329                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
4330                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
4331                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
4332                       GDI_CHECKED, *checkbutton_info[i].value,
4333                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4334                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4335                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
4336                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
4337                       GDI_EVENT_MASK, event_mask,
4338                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4339                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
4340                       GDI_END);
4341
4342     if (gi == NULL)
4343       Error(ERR_EXIT, "cannot create gadget");
4344
4345     level_editor_gadget[id] = gi;
4346     right_gadget_border[id] =
4347       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
4348   }
4349 }
4350
4351 static void CreateRadiobuttonGadgets()
4352 {
4353   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4354   struct GadgetInfo *gi;
4355   unsigned long event_mask;
4356   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
4357   int i;
4358
4359   event_mask = GD_EVENT_PRESSED;
4360
4361   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4362   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4363   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
4364   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
4365   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
4366
4367   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
4368   {
4369     int id = radiobutton_info[i].gadget_id;
4370     int x = SX + radiobutton_info[i].x;
4371     int y = SY + radiobutton_info[i].y;
4372
4373     int checked =
4374       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
4375
4376     /* determine horizontal position to the right of specified gadget */
4377     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
4378       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
4379            ED_GADGET_TEXT_DISTANCE);
4380
4381     /* determine horizontal offset for leading text */
4382     if (radiobutton_info[i].text_left != NULL)
4383       x += getTextWidthForGadget(radiobutton_info[i].text_left);
4384
4385     gi = CreateGadget(GDI_CUSTOM_ID, id,
4386                       GDI_CUSTOM_TYPE_ID, i,
4387                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
4388                       GDI_X, x,
4389                       GDI_Y, y,
4390                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
4391                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
4392                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
4393                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
4394                       GDI_CHECKED, checked,
4395                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4396                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4397                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
4398                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
4399                       GDI_EVENT_MASK, event_mask,
4400                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4401                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
4402                       GDI_END);
4403
4404     if (gi == NULL)
4405       Error(ERR_EXIT, "cannot create gadget");
4406
4407     level_editor_gadget[id] = gi;
4408     right_gadget_border[id] =
4409       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
4410   }
4411 }
4412
4413 void CreateLevelEditorGadgets()
4414 {
4415   int old_game_status = game_status;
4416
4417   /* setting 'game_status' is needed to get the right fonts for the editor */
4418   game_status = GAME_MODE_EDITOR;
4419
4420   ReinitializeElementList();
4421
4422   CreateControlButtons();
4423   CreateScrollbarGadgets();
4424
4425   /* order of function calls is important because of cross-references */
4426   CreateCheckbuttonGadgets();
4427   CreateCounterButtons();
4428   CreateRadiobuttonGadgets();
4429   CreateTextInputGadgets();
4430   CreateTextAreaGadgets();
4431   CreateSelectboxGadgets();
4432   CreateGraphicbuttonGadgets();
4433   CreateTextbuttonGadgets();
4434   CreateDrawingAreas();
4435
4436   game_status = old_game_status;
4437 }
4438
4439 void FreeLevelEditorGadgets()
4440 {
4441   int i;
4442
4443   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
4444     FreeGadget(level_editor_gadget[i]);
4445 }
4446
4447 static void MapCounterButtons(int id)
4448 {
4449   int gadget_id_down = counterbutton_info[id].gadget_id_down;
4450   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
4451   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
4452   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
4453 #if 0
4454   char infotext[MAX_OUTPUT_LINESIZE + 1];
4455   int max_infotext_len = getMaxInfoTextLength();
4456   int xoffset_left = 0;
4457   int yoffset_left = ED_BORDER_SIZE;
4458   int xoffset_right = getCounterGadgetWidth();
4459   int yoffset_right = ED_BORDER_SIZE;
4460 #else
4461   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
4462   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4463   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
4464   int yoffset = ED_BORDER_SIZE;
4465   int x_left = gi_down->x - xoffset_left;
4466   int x_right = gi_up->x + gi_up->width + xoffset_right;
4467   int y_above = gi_down->y - yoffset_above;
4468   int x = gi_down->x;
4469   int y = gi_up->y + yoffset;
4470 #endif
4471
4472   if (counterbutton_info[id].text_above)
4473     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
4474
4475   if (counterbutton_info[id].text_left)
4476     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
4477
4478   if (counterbutton_info[id].text_right)
4479     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
4480
4481   ModifyEditorCounter(id, *counterbutton_info[id].value);
4482
4483   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
4484   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
4485   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
4486 }
4487
4488 static void MapControlButtons()
4489 {
4490   int counter_id;
4491   int i;
4492
4493   /* map toolbox buttons (excluding special CE toolbox buttons) */
4494   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
4495     MapGadget(level_editor_gadget[i]);
4496
4497   /* map buttons to select elements */
4498   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
4499     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
4500   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
4501   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
4502   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
4503
4504   /* map buttons to select level */
4505   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
4506   ModifyEditorCounterLimits(counter_id,
4507                             leveldir_current->first_level,
4508                             leveldir_current->last_level);
4509   MapCounterButtons(counter_id);
4510 }
4511
4512 static void MapDrawingArea(int id)
4513 {
4514   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
4515   int area_xsize = gi->drawing.area_xsize;
4516   int area_ysize = gi->drawing.area_ysize;
4517   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
4518   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
4519   int x_left  = gi->x - xoffset_left;
4520   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
4521   int x_below = gi->x + (gi->width - xoffset_below) / 2;
4522   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
4523   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
4524
4525   if (drawingarea_info[id].text_left)
4526     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
4527
4528   if (drawingarea_info[id].text_right)
4529     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
4530
4531   if (drawingarea_info[id].text_below)
4532     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
4533
4534   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
4535   {
4536     DrawElementBorder(gi->x, gi->y,
4537                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
4538
4539     DrawDrawingArea(id);
4540   }
4541
4542   MapGadget(gi);
4543 }
4544
4545 static void MapTextInputGadget(int id)
4546 {
4547   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
4548   int xoffset_above = 0;
4549   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
4550   int x_above = textinput_info[id].x + xoffset_above;
4551   int y_above = textinput_info[id].y + yoffset_above;
4552
4553   if (textinput_info[id].text_above)
4554     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
4555
4556   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
4557
4558   MapGadget(gi);
4559 }
4560
4561 static void MapTextAreaGadget(int id)
4562 {
4563   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
4564   int xoffset_above = 0;
4565   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
4566   int x_above = textarea_info[id].x + xoffset_above;
4567   int y_above = textarea_info[id].y + yoffset_above;
4568
4569   if (textarea_info[id].text_above)
4570     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
4571
4572   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
4573
4574   MapGadget(gi);
4575 }
4576
4577 static void MapSelectboxGadget(int id)
4578 {
4579   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
4580   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
4581   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4582   int yoffset = ED_BORDER_SIZE;
4583   int x_left = gi->x - xoffset_left;
4584   int x_right = gi->x + gi->width + xoffset_right;
4585   int y = gi->y + yoffset;
4586
4587   if (selectbox_info[id].text_left)
4588     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
4589
4590   if (selectbox_info[id].text_right)
4591     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
4592
4593   ModifyEditorSelectbox(id, *selectbox_info[id].value);
4594
4595   MapGadget(gi);
4596 }
4597
4598 static void MapTextbuttonGadget(int id)
4599 {
4600   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
4601   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
4602   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4603   int yoffset = ED_BORDER_SIZE;
4604   int x_left = gi->x - xoffset_left;
4605   int x_right = gi->x + gi->width + xoffset_right;
4606   int y = gi->y + yoffset;
4607
4608   /* only show button to delete change pages when more than minimum pages */
4609   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
4610       custom_element.num_change_pages == MIN_CHANGE_PAGES)
4611     return;
4612
4613   if (textbutton_info[id].text_left)
4614     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
4615
4616   if (textbutton_info[id].text_right)
4617     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
4618
4619   MapGadget(gi);
4620 }
4621
4622 static void MapGraphicbuttonGadget(int id)
4623 {
4624   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
4625   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
4626   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4627   int yoffset = ED_BORDER_SIZE;
4628   int x_left = gi->x - xoffset_left;
4629   int x_right = gi->x + gi->width + xoffset_right;
4630   int y = gi->y + yoffset;
4631
4632   if (graphicbutton_info[id].text_left)
4633     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
4634
4635   if (graphicbutton_info[id].text_right)
4636     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
4637
4638   MapGadget(gi);
4639 }
4640
4641 static void MapRadiobuttonGadget(int id)
4642 {
4643   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
4644   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
4645   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4646   int yoffset = ED_BORDER_SIZE;
4647   int x_left = gi->x - xoffset_left;
4648   int x_right = gi->x + gi->width + xoffset_right;
4649   int y = gi->y + yoffset;
4650   boolean checked =
4651     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
4652
4653   if (radiobutton_info[id].text_left)
4654     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
4655
4656   if (radiobutton_info[id].text_right)
4657     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
4658
4659   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
4660
4661   MapGadget(gi);
4662 }
4663
4664 static void MapCheckbuttonGadget(int id)
4665 {
4666   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
4667   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
4668   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4669   int yoffset = ED_BORDER_SIZE;
4670   int x_left = gi->x - xoffset_left;
4671   int x_right = gi->x + gi->width + xoffset_right;
4672   int y = gi->y + yoffset;
4673
4674   /* special case needed for "sticky" gadget */
4675   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value,
4676                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
4677   y = gi->y + yoffset;
4678
4679   if (checkbutton_info[id].text_left)
4680     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
4681
4682   if (checkbutton_info[id].text_right)
4683     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
4684
4685   MapGadget(gi);
4686 }
4687
4688 static void MapMainDrawingArea()
4689 {
4690   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
4691   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
4692   int i;
4693
4694   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
4695   {
4696     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
4697           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
4698          no_horizontal_scrollbar) ||
4699         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
4700           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
4701          no_vertical_scrollbar))
4702       continue;
4703
4704     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
4705   }
4706
4707   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
4708   {
4709     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
4710         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
4711       continue;
4712
4713     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
4714   }
4715
4716   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
4717 }
4718
4719 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
4720 {
4721   int i;
4722
4723   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
4724   {
4725     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
4726         i == GADGET_ID_CUSTOM_COPY_TO ||
4727         i == GADGET_ID_CUSTOM_EXCHANGE)
4728     {
4729       if (map)
4730         MapGadget(level_editor_gadget[i]);
4731       else
4732         UnmapGadget(level_editor_gadget[i]);
4733     }
4734   }
4735 }
4736
4737 static void MapLevelEditorToolboxCustomGadgets()
4738 {
4739   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
4740 }
4741
4742 static void UnmapLevelEditorToolboxCustomGadgets()
4743 {
4744   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
4745 }
4746
4747 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
4748 {
4749   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4750   int i;
4751
4752   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
4753   {
4754     if (i != GADGET_ID_SINGLE_ITEMS &&
4755         i != GADGET_ID_PROPERTIES &&
4756         i != GADGET_ID_PICK_ELEMENT)
4757     {
4758       struct GadgetInfo *gi = level_editor_gadget[i];
4759
4760       if (map)
4761         MapGadget(gi);
4762       else
4763       {
4764         UnmapGadget(gi);
4765
4766         BlitBitmap(gd_bitmap, drawto,
4767                    DOOR_GFX_PAGEX6 + ED_CTRL_NO_BUTTONS_GFX_XPOS,
4768                    DOOR_GFX_PAGEY1 + ED_CTRL_NO_BUTTONS_GFX_YPOS,
4769                    gi->width, gi->height, gi->x, gi->y);
4770
4771         redraw_mask |= REDRAW_DOOR_3;
4772       }
4773     }
4774   }
4775 }
4776
4777 static void MapLevelEditorToolboxDrawingGadgets()
4778 {
4779   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
4780 }
4781
4782 static void UnmapLevelEditorToolboxDrawingGadgets()
4783 {
4784   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
4785 }
4786
4787 static void UnmapDrawingArea(int id)
4788 {
4789   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
4790 }
4791
4792 static void UnmapLevelEditorWindowGadgets()
4793 {
4794   int i;
4795
4796   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
4797     if (level_editor_gadget[i]->x < SX + SXSIZE)
4798       UnmapGadget(level_editor_gadget[i]);
4799 }
4800
4801 void UnmapLevelEditorGadgets()
4802 {
4803   int i;
4804
4805   for (i = 0; i < NUM_EDITOR_GADGETS; i++)
4806     UnmapGadget(level_editor_gadget[i]);
4807 }
4808
4809 static void ResetUndoBuffer()
4810 {
4811   undo_buffer_position = -1;
4812   undo_buffer_steps = -1;
4813   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4814 }
4815
4816 static void DrawEditModeWindow()
4817 {
4818   ModifyEditorElementList();
4819   RedrawDrawingElements();
4820
4821   if (edit_mode == ED_MODE_INFO)
4822     DrawLevelInfoWindow();
4823   else if (edit_mode == ED_MODE_PROPERTIES)
4824     DrawPropertiesWindow();
4825   else  /* edit_mode == ED_MODE_DRAWING */
4826     DrawDrawingWindow();
4827 }
4828
4829 static boolean LevelChanged()
4830 {
4831   boolean level_changed = FALSE;
4832   int x, y;
4833
4834   for (y = 0; y < lev_fieldy; y++)
4835     for (x = 0; x < lev_fieldx; x++)
4836       if (Feld[x][y] != level.field[x][y])
4837         level_changed = TRUE;
4838
4839   return level_changed;
4840 }
4841
4842 static boolean LevelContainsPlayer()
4843 {
4844   boolean player_found = FALSE;
4845   int x, y;
4846
4847   for (y = 0; y < lev_fieldy; y++)
4848     for (x = 0; x < lev_fieldx; x++)
4849       if (Feld[x][y] == EL_PLAYER_1 ||
4850           Feld[x][y] == EL_SP_MURPHY)
4851         player_found = TRUE;
4852
4853   return player_found;
4854 }
4855
4856 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
4857                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
4858 {
4859   int x, y;
4860
4861   for (x = 0; x < lev_fieldx; x++)
4862     for (y = 0; y < lev_fieldy; y++)
4863       dst[x][y] = src[x][y];
4864 }
4865
4866 static int setSelectboxValue(int selectbox_id, int new_value)
4867 {
4868   int new_index_value = 0;
4869   int i;
4870
4871   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
4872     if (selectbox_info[selectbox_id].options[i].value == new_value)
4873       new_index_value = i;
4874
4875   *selectbox_info[selectbox_id].value =
4876     selectbox_info[selectbox_id].options[new_index_value].value;
4877
4878   return new_index_value;
4879 }
4880
4881 static void copy_custom_element_settings(int element_from, int element_to)
4882 {
4883   struct ElementInfo *ei_from = &element_info[element_from];
4884   struct ElementInfo *ei_to = &element_info[element_to];
4885   int i, x, y;
4886
4887   /* ---------- copy element description ---------- */
4888   for (i = 0; i < MAX_ELEMENT_NAME_LEN + 1; i++)
4889     ei_to->description[i] = ei_from->description[i];
4890
4891   /* ---------- copy element properties ---------- */
4892   Properties[element_to][EP_BITFIELD_BASE] =
4893     Properties[element_from][EP_BITFIELD_BASE];
4894
4895   /* ---------- copy custom property values ---------- */
4896
4897   ei_to->use_gfx_element = ei_from->use_gfx_element;
4898   ei_to->gfx_element = ei_from->gfx_element;
4899
4900   ei_to->collect_score = ei_from->collect_score;
4901   ei_to->collect_count = ei_from->collect_count;
4902
4903   ei_to->push_delay_fixed = ei_from->push_delay_fixed;
4904   ei_to->push_delay_random = ei_from->push_delay_random;
4905   ei_to->move_delay_fixed = ei_from->move_delay_fixed;
4906   ei_to->move_delay_random = ei_from->move_delay_random;
4907
4908   ei_to->move_pattern = ei_from->move_pattern;
4909   ei_to->move_direction_initial = ei_from->move_direction_initial;
4910   ei_to->move_stepsize = ei_from->move_stepsize;
4911
4912   ei_to->slippery_type = ei_from->slippery_type;
4913
4914   for (y = 0; y < 3; y++)
4915     for (x = 0; x < 3; x++)
4916       ei_to->content[x][y] = ei_from->content[x][y];
4917
4918   ei_to->num_change_pages = ei_from->num_change_pages;
4919   setElementChangePages(ei_to, ei_to->num_change_pages);
4920
4921   for (i=0; i < ei_to->num_change_pages; i++)
4922   {
4923     struct ElementChangeInfo *change_to = &ei_to->change_page[i];
4924     struct ElementChangeInfo *change_from = &ei_from->change_page[i];
4925
4926     /* always start with reliable default values */
4927     setElementChangeInfoToDefaults(change_to);
4928
4929     change_to->events = change_from->events;
4930
4931     change_to->target_element = change_from->target_element;
4932
4933     change_to->delay_fixed = change_from->delay_fixed;
4934     change_to->delay_random = change_from->delay_random;
4935     change_to->delay_frames = change_from->delay_frames;
4936
4937     change_to->trigger_element = change_from->trigger_element;
4938
4939     change_to->explode = change_from->explode;
4940     change_to->use_content = change_from->use_content;
4941     change_to->only_complete = change_from->only_complete;
4942     change_to->use_random_change = change_from->use_random_change;
4943
4944     change_to->random = change_from->random;
4945     change_to->power = change_from->power;
4946
4947     for (y = 0; y < 3; y++)
4948       for (x = 0; x < 3; x++)
4949         change_to->content[x][y] = change_from->content[x][y];
4950
4951     change_to->can_change = change_from->can_change;
4952
4953     change_to->sides = change_from->sides;
4954   }
4955
4956   /* mark this custom element as modified */
4957   ei_to->modified_settings = TRUE;
4958 }
4959
4960 static void replace_custom_element_in_settings(int element_from,
4961                                                int element_to)
4962 {
4963   int i, j, x, y;
4964
4965   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4966   {
4967     struct ElementInfo *ei = &element_info[i];
4968
4969     for (y = 0; y < 3; y++)
4970       for (x = 0; x < 3; x++)
4971         if (ei->content[x][y] == element_from)
4972           ei->content[x][y] = element_to;
4973
4974     for (j=0; j < ei->num_change_pages; j++)
4975     {
4976       struct ElementChangeInfo *change = &ei->change_page[j];
4977
4978       if (change->target_element == element_from)
4979         change->target_element = element_to;
4980
4981       if (change->trigger_element == element_from)
4982         change->trigger_element = element_to;
4983
4984       for (y = 0; y < 3; y++)
4985         for (x = 0; x < 3; x++)
4986           if (change->content[x][y] == element_from)
4987             change->content[x][y] = element_to;
4988     }
4989   }
4990 }
4991
4992 static void replace_custom_element_in_playfield(int element_from,
4993                                                 int element_to)
4994 {
4995   int x, y;
4996
4997   for (x = 0; x < lev_fieldx; x++)
4998     for (y = 0; y < lev_fieldy; y++)
4999       if (Feld[x][y] == element_from)
5000         Feld[x][y] = element_to;
5001 }
5002
5003 static void CopyCustomElement(int element_old, int element_new, int copy_mode)
5004 {
5005   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
5006   {
5007     copy_custom_element_settings(element_new, element_old);
5008   }
5009   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
5010   {
5011     copy_custom_element_settings(element_old, element_new);
5012   }
5013   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
5014   {
5015     copy_custom_element_settings(element_old, EL_DUMMY);
5016     copy_custom_element_settings(element_new, element_old);
5017     copy_custom_element_settings(EL_DUMMY, element_new);
5018
5019     replace_custom_element_in_settings(element_old, EL_DUMMY);
5020     replace_custom_element_in_settings(element_new, element_old);
5021     replace_custom_element_in_settings(EL_DUMMY, element_new);
5022
5023     replace_custom_element_in_playfield(element_old, EL_DUMMY);
5024     replace_custom_element_in_playfield(element_new, element_old);
5025     replace_custom_element_in_playfield(EL_DUMMY, element_new);
5026   }
5027
5028   UpdateCustomElementGraphicGadgets();
5029   DrawPropertiesWindow();
5030 }
5031
5032 static void CopyCustomElementPropertiesToEditor(int element)
5033 {
5034   int i;
5035   int current_change_page = element_info[element].current_change_page;
5036
5037   /* dynamically (re)build selectbox for selecting change page */
5038   for (i = 0; i < element_info[element].num_change_pages; i++)
5039   {
5040     sprintf(options_change_page_strings[i], "%d", i + 1);
5041
5042     options_change_page[i].value = i;
5043     options_change_page[i].text = options_change_page_strings[i];
5044   }
5045
5046   options_change_page[i].value = -1;
5047   options_change_page[i].text = NULL;
5048
5049   /* needed here to initialize combined element properties */
5050   InitElementPropertiesEngine(level.game_version);
5051
5052   element_info[element].change =
5053     &element_info[element].change_page[current_change_page];
5054
5055   custom_element = element_info[element];
5056   custom_element_change = *element_info[element].change;
5057
5058   /* needed to initially set selectbox value variables to reliable defaults */
5059   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5060     setSelectboxValue(i, *selectbox_info[i].value);
5061
5062   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
5063     custom_element_properties[i] = HAS_PROPERTY(element, i);
5064
5065   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
5066     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
5067
5068   /* ---------- element settings: configure (custom elements) ------------- */
5069
5070   /* set accessible layer selectbox help value */
5071   custom_element.access_type =
5072     (IS_WALKABLE(element) ? EP_WALKABLE :
5073      IS_PASSABLE(element) ? EP_PASSABLE :
5074      custom_element.access_type);
5075   custom_element.access_layer =
5076     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
5077      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
5078      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
5079      custom_element.access_layer);
5080   custom_element_properties[EP_ACCESSIBLE] =
5081     (IS_ACCESSIBLE_OVER(element) ||
5082      IS_ACCESSIBLE_INSIDE(element) ||
5083      IS_ACCESSIBLE_UNDER(element));
5084
5085   /* set walk-to-object action selectbox help value */
5086   custom_element.walk_to_action =
5087     (IS_DIGGABLE(element) ? EP_DIGGABLE :
5088      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
5089      IS_DROPPABLE(element) ? EP_DROPPABLE :
5090      IS_PUSHABLE(element) ? EP_PUSHABLE :
5091      custom_element.walk_to_action);
5092   custom_element_properties[EP_WALK_TO_OBJECT] =
5093     (IS_DIGGABLE(element) ||
5094      IS_COLLECTIBLE_ONLY(element) ||
5095      IS_DROPPABLE(element) ||
5096      IS_PUSHABLE(element));
5097
5098   /* set smash targets selectbox help value */
5099   custom_element.smash_targets =
5100     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
5101      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
5102      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
5103      custom_element.smash_targets);
5104   custom_element_properties[EP_CAN_SMASH] =
5105     (CAN_SMASH_EVERYTHING(element) ||
5106      CAN_SMASH_ENEMIES(element) ||
5107      CAN_SMASH_PLAYER(element));
5108
5109   /* set deadliness selectbox help value */
5110   custom_element.deadliness =
5111     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
5112      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
5113      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
5114      custom_element.deadliness);
5115   custom_element_properties[EP_DEADLY] =
5116     (DONT_TOUCH(element) ||
5117      DONT_COLLIDE_WITH(element) ||
5118      DONT_RUN_INTO(element));
5119
5120   /* set consistency selectbox help value */
5121   custom_element.consistency =
5122     (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
5123      CAN_EXPLODE_1X1(element) ? EP_CAN_EXPLODE_1X1 :
5124      CAN_EXPLODE_3X3(element) ? EP_CAN_EXPLODE_3X3 :
5125      CAN_EXPLODE_DYNA(element) ? EP_CAN_EXPLODE_DYNA :
5126      custom_element.consistency);
5127   custom_element_properties[EP_EXPLODE_RESULT] =
5128     (IS_INDESTRUCTIBLE(element) ||
5129      CAN_EXPLODE_1X1(element) ||
5130      CAN_EXPLODE_3X3(element) ||
5131      CAN_EXPLODE_DYNA(element));
5132
5133   /* special case: sub-settings dependent from main setting */
5134   if (CAN_EXPLODE_BY_FIRE(element))
5135     custom_element.can_explode_by_fire = TRUE;
5136   if (CAN_EXPLODE_SMASHED(element))
5137     custom_element.can_explode_smashed = TRUE;
5138   if (CAN_EXPLODE_IMPACT(element))
5139     custom_element.can_explode_impact  = TRUE;
5140
5141   /* ---------- element settings: advanced (custom elements) --------------- */
5142
5143   /* set "change by direct action" selectbox help value */
5144   custom_element_change.direct_action =
5145     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
5146      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
5147      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
5148      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
5149      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
5150      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
5151      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
5152      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
5153      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
5154      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
5155      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
5156      custom_element_change.direct_action);
5157
5158   /* set "change by other element action" selectbox help value */
5159   custom_element_change.other_action =
5160     (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
5161      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
5162      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
5163      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_ENTERED) ? CE_OTHER_GETS_ENTERED :
5164      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_LEFT) ? CE_OTHER_GETS_LEFT :
5165      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DIGGED) ? CE_OTHER_GETS_DIGGED :
5166      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
5167      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DROPPED) ? CE_OTHER_GETS_DROPPED :
5168      HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
5169      HAS_CHANGE_EVENT(element, CE_OTHER_IS_HITTING) ? CE_OTHER_IS_HITTING :
5170      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_HIT) ? CE_OTHER_GETS_HIT :
5171      HAS_CHANGE_EVENT(element, CE_OTHER_IS_SWITCHING) ? CE_OTHER_IS_SWITCHING :
5172      HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
5173      HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
5174      custom_element_change.other_action);
5175 }
5176
5177 static void CopyGroupElementPropertiesToEditor(int element)
5178 {
5179   group_element_info = *element_info[element].group;
5180   custom_element = element_info[element];       /* needed for description */
5181 }
5182
5183 static void CopyElementPropertiesToEditor(int element)
5184 {
5185   if (IS_CUSTOM_ELEMENT(element))
5186     CopyCustomElementPropertiesToEditor(element);
5187   else if (IS_GROUP_ELEMENT(element))
5188     CopyGroupElementPropertiesToEditor(element);
5189 }
5190
5191 static void CopyCustomElementPropertiesToGame(int element)
5192 {
5193   int i;
5194   int access_type_and_layer;
5195
5196   /* mark that this custom element has been modified */
5197   custom_element.modified_settings = TRUE;
5198
5199   if (level.use_custom_template)
5200   {
5201     if (Request("Copy and modify level template ?", REQ_ASK))
5202     {
5203       level.use_custom_template = FALSE;
5204       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
5205                    GDI_CHECKED, FALSE, GDI_END);
5206     }
5207     else
5208     {
5209       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
5210
5211       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
5212     }
5213   }
5214
5215   element_info[element] = custom_element;
5216   *element_info[element].change = custom_element_change;
5217
5218   /* ---------- element settings: configure (custom elements) ------------- */
5219
5220   /* set accessible property from checkbox and selectbox */
5221   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
5222   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
5223   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
5224   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
5225   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
5226   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
5227   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
5228                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
5229                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
5230   custom_element_properties[access_type_and_layer] =
5231     custom_element_properties[EP_ACCESSIBLE];
5232
5233   /* set walk-to-object property from checkbox and selectbox */
5234   custom_element_properties[EP_DIGGABLE] = FALSE;
5235   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
5236   custom_element_properties[EP_DROPPABLE] = FALSE;
5237   custom_element_properties[EP_PUSHABLE] = FALSE;
5238   custom_element_properties[custom_element.walk_to_action] =
5239     custom_element_properties[EP_WALK_TO_OBJECT];
5240
5241   /* set smash property from checkbox and selectbox */
5242   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
5243   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
5244   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
5245   custom_element_properties[custom_element.smash_targets] =
5246     custom_element_properties[EP_CAN_SMASH];
5247
5248   /* set deadliness property from checkbox and selectbox */
5249   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
5250   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
5251   custom_element_properties[EP_DONT_TOUCH] = FALSE;
5252   custom_element_properties[custom_element.deadliness] =
5253     custom_element_properties[EP_DEADLY];
5254
5255   /* set consistency property from checkbox and selectbox */
5256   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
5257   custom_element_properties[EP_CAN_EXPLODE_1X1] = FALSE;
5258   custom_element_properties[EP_CAN_EXPLODE_3X3] = FALSE;
5259   custom_element_properties[EP_CAN_EXPLODE_DYNA] = FALSE;
5260   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
5261   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
5262   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
5263   custom_element_properties[custom_element.consistency] =
5264     custom_element_properties[EP_EXPLODE_RESULT];
5265
5266   /* special case: sub-settings dependent from main setting */
5267   if (custom_element_properties[EP_CAN_EXPLODE_1X1] ||
5268       custom_element_properties[EP_CAN_EXPLODE_3X3] ||
5269       custom_element_properties[EP_CAN_EXPLODE_DYNA])
5270   {
5271     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
5272       custom_element.can_explode_by_fire;
5273     custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
5274       custom_element.can_explode_smashed;
5275     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
5276       custom_element.can_explode_impact;
5277   }
5278
5279   /* ---------- element settings: advanced (custom elements) --------------- */
5280
5281   /* set player change event from checkbox and selectbox */
5282   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
5283   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
5284   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
5285   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
5286   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
5287   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
5288   custom_element_change_events[CE_SWITCHED] = FALSE;
5289   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
5290   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
5291   custom_element_change_events[CE_IMPACT] = FALSE;
5292   custom_element_change_events[CE_SMASHED] = FALSE;
5293   custom_element_change_events[custom_element_change.direct_action] =
5294     custom_element_change_events[CE_BY_DIRECT_ACTION];
5295
5296   /* set other element action change event from checkbox and selectbox */
5297   custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
5298   custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
5299   custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
5300   custom_element_change_events[CE_OTHER_GETS_ENTERED] = FALSE;
5301   custom_element_change_events[CE_OTHER_GETS_LEFT] = FALSE;
5302   custom_element_change_events[CE_OTHER_GETS_DIGGED] = FALSE;
5303   custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
5304   custom_element_change_events[CE_OTHER_GETS_DROPPED] = FALSE;
5305   custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
5306   custom_element_change_events[CE_OTHER_IS_HITTING] = FALSE;
5307   custom_element_change_events[CE_OTHER_GETS_HIT] = FALSE;
5308   custom_element_change_events[CE_OTHER_IS_SWITCHING] = FALSE;
5309   custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
5310   custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
5311   custom_element_change_events[custom_element_change.other_action] =
5312     custom_element_change_events[CE_BY_OTHER_ACTION];
5313
5314   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
5315     SET_PROPERTY(element, i, custom_element_properties[i]);
5316
5317   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
5318     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
5319
5320   /* copy change events also to special level editor variable */
5321   custom_element = element_info[element];
5322   custom_element_change = *element_info[element].change;
5323 }
5324
5325 static void CopyGroupElementPropertiesToGame(int element)
5326 {
5327   element_info[element] = custom_element;
5328   *element_info[element].group = group_element_info;
5329
5330   /* mark that this group element has been modified */
5331   element_info[element].modified_settings = TRUE;
5332 }
5333
5334 static void CopyElementPropertiesToGame(int element)
5335 {
5336   if (IS_CUSTOM_ELEMENT(element))
5337     CopyCustomElementPropertiesToGame(element);
5338   else if (IS_GROUP_ELEMENT(element))
5339     CopyGroupElementPropertiesToGame(element);
5340 }
5341
5342 void DrawLevelEd()
5343 {
5344   CloseDoor(DOOR_CLOSE_ALL);
5345   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
5346
5347   if (level_editor_test_game)
5348   {
5349     CopyPlayfield(level.field, Feld);
5350     CopyPlayfield(FieldBackup, level.field);
5351
5352     level_editor_test_game = FALSE;
5353   }
5354   else
5355   {
5356     edit_mode = ED_MODE_DRAWING;
5357     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
5358
5359     ResetUndoBuffer();
5360
5361     level_xpos = -1;
5362     level_ypos = -1;
5363   }
5364
5365   /* copy default editor door content to main double buffer */
5366   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
5367              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
5368
5369 #if 0
5370   /* draw mouse button brush elements */
5371   RedrawDrawingElements();
5372 #endif
5373
5374   /* draw bigger door */
5375   DrawSpecialEditorDoor();
5376
5377   /* draw new control window */
5378   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
5379              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
5380
5381   redraw_mask |= REDRAW_ALL;
5382
5383   ReinitializeElementListButtons();     /* only needed after setup changes */
5384 #if 0
5385   ModifyEditorElementList();            /* may be needed for custom elements */
5386 #endif
5387
5388   UnmapTapeButtons();
5389   MapControlButtons();
5390
5391   DrawEditModeWindow();
5392
5393   /* copy actual editor door content to door double buffer for OpenDoor() */
5394   BlitBitmap(drawto, bitmap_db_door,
5395              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
5396
5397   OpenDoor(DOOR_OPEN_1);
5398 }
5399
5400 static void AdjustDrawingAreaGadgets()
5401 {
5402   int ed_xsize = lev_fieldx + 2;
5403   int ed_ysize = lev_fieldy + 2;
5404   int max_ed_fieldx = MAX_ED_FIELDX;
5405   int max_ed_fieldy = MAX_ED_FIELDY;
5406   boolean horizontal_scrollbar_needed;
5407   boolean vertical_scrollbar_needed;
5408   int x, y, width, height;
5409   int xoffset, yoffset;
5410
5411   /* check if we need any scrollbars */
5412   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
5413   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
5414
5415   /* check if we have a smaller editor field because of scrollbars */
5416   if (horizontal_scrollbar_needed)
5417     max_ed_fieldy = MAX_ED_FIELDY - 1;
5418   if (vertical_scrollbar_needed)
5419     max_ed_fieldx = MAX_ED_FIELDX - 1;
5420
5421   /* check again if we now need more scrollbars because of less space */
5422   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
5423   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
5424
5425   /* check if editor field gets even smaller after adding new scrollbars */
5426   if (horizontal_scrollbar_needed)
5427     max_ed_fieldy = MAX_ED_FIELDY - 1;
5428   if (vertical_scrollbar_needed)
5429     max_ed_fieldx = MAX_ED_FIELDX - 1;
5430
5431   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
5432   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
5433
5434   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
5435                GDI_WIDTH, ed_fieldx * MINI_TILEX,
5436                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
5437                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
5438                GDI_END);
5439
5440   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
5441   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
5442
5443   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
5444   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
5445
5446   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
5447   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
5448
5449   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
5450   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
5451
5452   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5453                GDI_WIDTH, width,
5454                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
5455                GDI_END);
5456   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5457                GDI_HEIGHT, height,
5458                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
5459                GDI_END);
5460 }
5461
5462 static void AdjustLevelScrollPosition()
5463 {
5464   if (level_xpos < -1)
5465     level_xpos = -1;
5466   if (level_xpos > lev_fieldx - ed_fieldx + 1)
5467     level_xpos = lev_fieldx - ed_fieldx + 1;
5468   if (lev_fieldx < ed_fieldx - 2)
5469     level_xpos = -1;
5470
5471   if (level_ypos < -1)
5472     level_ypos = -1;
5473   if (level_ypos > lev_fieldy - ed_fieldy + 1)
5474     level_ypos = lev_fieldy - ed_fieldy + 1;
5475   if (lev_fieldy < ed_fieldy - 2)
5476     level_ypos = -1;
5477 }
5478
5479 static void AdjustEditorScrollbar(int id)
5480 {
5481   struct GadgetInfo *gi = level_editor_gadget[id];
5482   int items_max, items_visible, item_position;
5483
5484   if (id == GADGET_ID_SCROLL_HORIZONTAL)
5485   {
5486     items_max = MAX(lev_fieldx + 2, ed_fieldx);
5487     items_visible = ed_fieldx;
5488     item_position = level_xpos + 1;
5489   }
5490   else
5491   {
5492     items_max = MAX(lev_fieldy + 2, ed_fieldy);
5493     items_visible = ed_fieldy;
5494     item_position = level_ypos + 1;
5495   }
5496
5497   if (item_position > items_max - items_visible)
5498     item_position = items_max - items_visible;
5499
5500   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
5501                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
5502 }
5503
5504 static void ModifyEditorCounter(int counter_id, int new_value)
5505 {
5506   int *counter_value = counterbutton_info[counter_id].value;
5507   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
5508   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5509
5510   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
5511
5512   if (counter_value != NULL)
5513     *counter_value = gi->textinput.number_value;
5514 }
5515
5516 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
5517 {
5518   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
5519   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5520
5521   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
5522 }
5523
5524 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
5525 {
5526   int gadget_id = selectbox_info[selectbox_id].gadget_id;
5527   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5528   int new_index_value = setSelectboxValue(selectbox_id, new_value);
5529
5530   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
5531 }
5532
5533 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
5534 {
5535   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
5536   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5537
5538   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
5539 }
5540
5541 static void ModifyEditorElementList()
5542 {
5543   int i;
5544
5545   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5546   {
5547     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
5548     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5549     struct GadgetDesign *gd = &gi->deco.design;
5550     int element = editor_elements[element_shift + i];
5551
5552     UnmapGadget(gi);
5553     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
5554     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
5555     MapGadget(gi);
5556   }
5557 }
5558
5559 static void PickDrawingElement(int button, int element)
5560 {
5561   if (button < 1 || button > 3)
5562     return;
5563
5564   if (button == 1)
5565   {
5566     new_element1 = element;
5567     DrawMiniGraphicExt(drawto,
5568                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
5569                        el2edimg(new_element1));
5570   }
5571   else if (button == 2)
5572   {
5573     new_element2 = element;
5574     DrawMiniGraphicExt(drawto,
5575                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
5576                        el2edimg(new_element2));
5577   }
5578   else
5579   {
5580     new_element3 = element;
5581     DrawMiniGraphicExt(drawto,
5582                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
5583                        el2edimg(new_element3));
5584   }
5585
5586   redraw_mask |= REDRAW_DOOR_1;
5587 }
5588
5589 static void RedrawDrawingElements()
5590 {
5591   PickDrawingElement(1, new_element1);
5592   PickDrawingElement(2, new_element2);
5593   PickDrawingElement(3, new_element3);
5594 }
5595
5596 static void DrawDrawingWindow()
5597 {
5598   stick_element_properties_window = FALSE;
5599
5600   SetMainBackgroundImage(IMG_UNDEFINED);
5601   ClearWindow();
5602
5603   UnmapLevelEditorWindowGadgets();
5604   UnmapLevelEditorToolboxCustomGadgets();
5605
5606   AdjustDrawingAreaGadgets();
5607   AdjustLevelScrollPosition();
5608   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
5609   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
5610
5611   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5612
5613   MapMainDrawingArea();
5614   MapLevelEditorToolboxDrawingGadgets();
5615 }
5616
5617 static void DrawLevelInfoWindow()
5618 {
5619   int i;
5620
5621   stick_element_properties_window = FALSE;
5622
5623   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
5624   ClearWindow();
5625   UnmapLevelEditorWindowGadgets();
5626
5627   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
5628            "Level Settings", FONT_TITLE_1);
5629   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
5630            "Editor Settings", FONT_TITLE_1);
5631
5632   /* draw counter gadgets */
5633   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
5634     MapCounterButtons(i);
5635
5636   /* draw checkbutton gadgets */
5637   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i <= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
5638     MapCheckbuttonGadget(i);
5639
5640   /* draw radiobutton gadgets */
5641   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i <= ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
5642     MapRadiobuttonGadget(i);
5643
5644   /* draw text input gadgets */
5645   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
5646     MapTextInputGadget(i);
5647
5648   /* draw drawing area */
5649   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
5650 }
5651
5652 static void DrawCustomContentArea()
5653 {
5654   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
5655   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5656   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
5657   int x2 = right_gadget_border[GADGET_ID_CUSTOM_CONSISTENCY];
5658   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
5659   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
5660
5661   /* add distance for potential left text (without drawing area border) */
5662   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
5663
5664   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
5665
5666   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
5667 }
5668
5669 static void DrawCustomChangeContentArea()
5670 {
5671   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
5672   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5673   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
5674   int x2 = right_gadget_border[GADGET_ID_CHANGE_POWER];
5675   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
5676   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
5677
5678   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
5679
5680   MapDrawingArea(id);
5681 }
5682
5683 static void DrawElementContentAreas()
5684 {
5685   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
5686   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
5687   int i;
5688
5689   /* display counter to choose number of element content areas */
5690   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
5691
5692   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
5693   {
5694     int id = ED_DRAWING_ID_ELEMENT_CONTENT_0 + i;
5695     int font_height = getFontHeight(FONT_TEXT_1);
5696
5697     if (i < level.num_yamyam_contents)
5698       MapDrawingArea(id);
5699     else
5700     {
5701       UnmapDrawingArea(id);
5702
5703       /* delete content areas in case of reducing number of them */
5704       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
5705                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
5706                      4 * MINI_TILEX,
5707                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
5708     }
5709   }
5710
5711   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
5712   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
5713   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
5714 }
5715
5716 static void DrawGroupElementArea(int element)
5717 {
5718   int num_elements = group_element_info.num_elements;
5719   int id = ED_DRAWING_ID_GROUP_CONTENT;
5720   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
5721   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
5722   int xsize = MAX_ELEMENTS_IN_GROUP;
5723   int ysize = 1;
5724
5725   if (drawingarea_info[id].text_left != NULL)
5726     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
5727
5728   UnmapDrawingArea(id);
5729
5730   ModifyEditorDrawingArea(id, num_elements, 1);
5731
5732   /* delete content areas in case of reducing number of them */
5733   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
5734
5735   MapDrawingArea(id);
5736 }
5737
5738 static void DrawEnvelopeTextArea(int envelope_nr)
5739 {
5740   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
5741   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
5742
5743   UnmapGadget(gi);
5744   DrawBackground(gi->x, gi->y, gi->width, gi->height);
5745
5746   if (envelope_nr != -1)
5747     textarea_info[id].value = level.envelope_text[envelope_nr];
5748
5749   ModifyGadget(gi, GDI_AREA_SIZE,
5750                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
5751                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
5752                GDI_END);
5753
5754   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
5755 }
5756
5757 char *getElementDescriptionFilename(int element)
5758 {
5759   char *docs_dir = options.docs_directory;
5760   char *elements_subdir = "elements";
5761   static char *filename = NULL;
5762   char basename[MAX_FILENAME_LEN];
5763
5764   checked_free(filename);
5765
5766   /* 1st try: look for element description file for exactly this element */
5767   sprintf(basename, "%s.txt", element_info[element].token_name);
5768   filename = getPath3(docs_dir, elements_subdir, basename);
5769   if (fileExists(filename))
5770     return filename;
5771
5772   free(filename);
5773
5774   /* 2nd try: look for element description file for this element's class */
5775   sprintf(basename, "%s.txt", element_info[element].class_name);
5776   filename = getPath3(docs_dir, elements_subdir, basename);
5777   if (fileExists(filename))
5778     return filename;
5779
5780   return NULL;
5781 }
5782
5783 static boolean PrintInfoText(char *text, int font_nr, int start_line)
5784 {
5785   int font_height = getFontHeight(font_nr);
5786   int pad_x = ED_SETTINGS_XPOS(0);
5787   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
5788   int sx = SX + pad_x;
5789   int sy = SY + pad_y;
5790   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
5791
5792   if (start_line >= max_lines_per_screen)
5793     return FALSE;
5794
5795   DrawText(sx, sy + start_line * font_height, text, font_nr);
5796
5797   return TRUE;
5798 }
5799
5800 #if 1
5801
5802 static int PrintElementDescriptionFromFile(char *filename, int start_line)
5803 {
5804   int font_nr = FONT_TEXT_2;
5805   int font_width = getFontWidth(font_nr);
5806   int font_height = getFontHeight(font_nr);
5807   int pad_x = ED_SETTINGS_XPOS(0);
5808   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
5809   int sx = SX + pad_x;
5810   int sy = SY + pad_y + start_line * font_height;
5811   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
5812   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
5813
5814   return DrawTextFromFile(sx, sy, filename, font_nr, max_chars_per_line,
5815                           max_lines_per_screen);
5816 }
5817
5818 #else
5819
5820 static int PrintElementDescriptionFromFile(char *filename, int start_line)
5821 {
5822   int font_nr = FONT_TEXT_2;
5823   int font_width = getFontWidth(font_nr);
5824   int font_height = getFontHeight(font_nr);
5825   int pad_x = ED_SETTINGS_XPOS(0);
5826   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
5827   int sx = SX + pad_x;
5828   int sy = SY + pad_y;
5829   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
5830   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
5831   int current_line = start_line;
5832   char line[MAX_LINE_LEN];
5833   char buffer[max_chars_per_line + 1];
5834   int buffer_len;
5835   FILE *file;
5836
5837   if (current_line >= max_lines_per_screen)
5838     return 0;
5839
5840   if (filename == NULL)
5841     return 0;
5842
5843   if (!(file = fopen(filename, MODE_READ)))
5844     return 0;
5845
5846   buffer[0] = '\0';
5847   buffer_len = 0;
5848
5849   while (!feof(file) && current_line < max_lines_per_screen)
5850   {
5851     char *line_ptr;
5852     boolean last_line_was_empty = TRUE;
5853
5854     /* read next line of input file */
5855     if (!fgets(line, MAX_LINE_LEN, file))
5856       break;
5857
5858     /* skip comments (lines directly beginning with '#') */
5859     if (line[0] == '#')
5860       continue;
5861
5862     /* cut trailing newline from input line */
5863     for (line_ptr = line; *line_ptr; line_ptr++)
5864     {
5865       if (*line_ptr == '\n' || *line_ptr == '\r')
5866       {
5867         *line_ptr = '\0';
5868         break;
5869       }
5870     }
5871
5872     if (strlen(line) == 0)              /* special case: force empty line */
5873       strcpy(line, "\n");
5874
5875     line_ptr = line;
5876
5877     while (*line_ptr && current_line < max_lines_per_screen)
5878     {
5879       boolean buffer_filled = RenderLineToBuffer(&line_ptr,
5880                                                  buffer, &buffer_len,
5881                                                  last_line_was_empty,
5882                                                  max_chars_per_line);
5883       if (buffer_filled)
5884       {
5885         DrawText(sx, sy + current_line * font_height, buffer, font_nr);
5886         current_line++;
5887
5888         last_line_was_empty = (buffer_len == 0);
5889
5890         buffer[0] = '\0';
5891         buffer_len = 0;
5892       }
5893     }
5894   }
5895
5896   fclose(file);
5897
5898   if (buffer_len > 0 && current_line < max_lines_per_screen)
5899   {
5900     DrawText(sx, sy + current_line * font_height, buffer, font_nr);
5901     current_line++;
5902   }
5903
5904   return (current_line - start_line);
5905 }
5906
5907 #endif
5908
5909 static void DrawPropertiesTabulatorGadgets()
5910 {
5911   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
5912   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
5913   int gd_x = gd->x + gd_gi->border.width / 2;
5914   int gd_y = gd->y + gd_gi->height - 1;
5915   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
5916   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
5917   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
5918   int i;
5919
5920   /* draw additional "advanced" tabulator for custom elements */
5921   if (IS_CUSTOM_ELEMENT(properties_element) ||
5922       IS_GROUP_ELEMENT(properties_element))
5923     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
5924
5925   for (i = id_first; i <= id_last; i++)
5926   {
5927     int gadget_id = textbutton_info[i].gadget_id;
5928     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5929     boolean active = (i != edit_mode_properties);
5930
5931     /* draw background line below tabulator button */
5932     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
5933
5934     /* draw solid line below inactive tabulator buttons */
5935     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
5936       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
5937
5938     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
5939     MapTextbuttonGadget(i);
5940   }
5941
5942   /* draw little border line below tabulator buttons */
5943   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
5944     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
5945                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
5946                   ED_GADGET_DISTANCE, tab_color);
5947 }
5948
5949 static void DrawPropertiesInfo()
5950 {
5951   static struct
5952   {
5953     int value;
5954     char *text;
5955   }
5956   properties[] =
5957   {
5958     /* configurable properties */
5959
5960     { EP_WALKABLE_OVER,         "- player can walk over it"             },
5961     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
5962     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
5963     { EP_PASSABLE_OVER,         "- player can pass over it"             },
5964     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
5965     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
5966
5967     { EP_DIGGABLE,              "- can be digged away"                  },
5968     { EP_COLLECTIBLE,           "- can be collected"                    },
5969     { EP_DROPPABLE,             "- can be dropped after collecting"     },
5970     { EP_PUSHABLE,              "- can be pushed"                       },
5971
5972     { EP_CAN_MOVE,              "- can move"                            },
5973     { EP_CAN_FALL,              "- can fall"                            },
5974
5975     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
5976 #if 0
5977     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
5978 #endif
5979     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
5980
5981     { EP_SLIPPERY,              "- slippery for falling objects"        },
5982     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
5983
5984     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
5985     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
5986     { EP_DONT_TOUCH,            "- deadly when touching"                },
5987
5988     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
5989
5990     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
5991     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
5992     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
5993
5994     { EP_CAN_CHANGE,            "- can change to other element"         },
5995
5996     /* pre-defined properties */
5997     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
5998     { EP_HAS_CONTENT,           "- can contain other elements"          },
5999
6000     { -1,                       NULL                                    }
6001   };
6002   char *filename = getElementDescriptionFilename(properties_element);
6003   char *percentage_text = "In this level:";
6004   char *properties_text = "Standard properties:";
6005   float percentage;
6006   int num_elements_in_level;
6007   int num_standard_properties = 0;
6008   int font1_nr = FONT_TEXT_1;
6009   int font2_nr = FONT_TEXT_2;
6010   int font1_width = getFontWidth(font1_nr);
6011   int font2_height = getFontHeight(font2_nr);
6012   int pad_x = ED_SETTINGS_XPOS(0);
6013   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
6014   int screen_line = 0;
6015   int i, x, y;
6016
6017 #if DEBUG
6018   if (IS_CUSTOM_ELEMENT(properties_element))
6019   {
6020     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
6021               "[Custom Element %d]", properties_element - EL_CUSTOM_START + 1);
6022     screen_line++;
6023   }
6024   else if (IS_GROUP_ELEMENT(properties_element))
6025   {
6026     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
6027               "[Group Element %d]", properties_element - EL_GROUP_START + 1);
6028     screen_line++;
6029   }
6030 #endif
6031
6032   /* ----- print number of elements / percentage of this element in level */
6033
6034   num_elements_in_level = 0;
6035   for (y = 0; y < lev_fieldy; y++)
6036     for (x = 0; x < lev_fieldx; x++)
6037       if (Feld[x][y] == properties_element)
6038         num_elements_in_level++;
6039   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
6040
6041   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
6042             percentage_text);
6043   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
6044             pad_y + screen_line++ * font2_height, font2_nr,
6045             "%d (%.2f%%)", num_elements_in_level, percentage);
6046
6047   screen_line++;
6048
6049   /* ----- print standard properties of this element */
6050
6051   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
6052             properties_text);
6053
6054   for (i = 0; properties[i].value != -1; i++)
6055   {
6056     if (!HAS_PROPERTY(properties_element, properties[i].value))
6057       continue;
6058
6059     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
6060               properties[i].text);
6061     num_standard_properties++;
6062   }
6063
6064   if (num_standard_properties == 0)
6065     DrawTextS(pad_x + strlen(properties_text) * font1_width,
6066               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
6067
6068   screen_line++;
6069
6070   /* ----- print special description of this element */
6071
6072   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
6073   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
6074     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
6075 }
6076
6077 #define TEXT_COLLECTING         "Score for collecting"
6078 #define TEXT_SMASHING           "Score for smashing"
6079 #define TEXT_CRACKING           "Score for cracking"
6080 #define TEXT_SPEED              "Speed of amoeba growth"
6081 #define TEXT_DURATION           "Duration when activated"
6082
6083 static struct
6084 {
6085   int element;
6086   int *value;
6087   char *text;
6088 } elements_with_counter[] =
6089 {
6090   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
6091   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
6092   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
6093   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
6094   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
6095   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
6096   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
6097   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
6098   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
6099   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
6100   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
6101   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
6102   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
6103   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
6104   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
6105   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
6106   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
6107   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
6108   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6109   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6110   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6111   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6112   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6113   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6114   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6115   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6116   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
6117   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
6118   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
6119   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
6120   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
6121   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
6122   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
6123   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
6124   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
6125   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
6126   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
6127   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
6128   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
6129   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
6130   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
6131   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
6132   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
6133   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
6134   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
6135   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
6136 #if 1
6137   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
6138   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
6139   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
6140   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
6141 #else
6142   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6143   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6144   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6145   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
6146 #endif
6147   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
6148   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
6149   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
6150   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
6151   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
6152   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
6153   { -1,                 NULL,                           NULL            }
6154 };
6155
6156 static boolean checkPropertiesConfig()
6157 {
6158   int i;
6159
6160   if (IS_GEM(properties_element) ||
6161       IS_CUSTOM_ELEMENT(properties_element) ||
6162       IS_GROUP_ELEMENT(properties_element) ||
6163       IS_ENVELOPE(properties_element) ||
6164       HAS_CONTENT(properties_element))
6165     return TRUE;
6166   else
6167     for (i = 0; elements_with_counter[i].element != -1; i++)
6168       if (elements_with_counter[i].element == properties_element)
6169         return TRUE;
6170
6171   return FALSE;
6172 }
6173
6174 static void DrawPropertiesConfig()
6175 {
6176   int i;
6177
6178   if (!checkPropertiesConfig())
6179   {
6180     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
6181
6182     return;
6183   }
6184
6185   /* check if there are elements where a score can be chosen for */
6186   for (i = 0; elements_with_counter[i].element != -1; i++)
6187   {
6188     if (elements_with_counter[i].element == properties_element)
6189     {
6190       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
6191
6192       counterbutton_info[counter_id].value = elements_with_counter[i].value;
6193       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
6194       MapCounterButtons(counter_id);
6195
6196       break;
6197     }
6198   }
6199
6200   if (HAS_CONTENT(properties_element))
6201   {
6202     /* draw stickybutton gadget */
6203     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
6204     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
6205     MapCheckbuttonGadget(i);
6206
6207     if (IS_AMOEBOID(properties_element))
6208       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
6209     else
6210       DrawElementContentAreas();
6211   }
6212
6213   if (IS_GEM(properties_element))
6214     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
6215
6216   if (IS_ENVELOPE(properties_element))
6217   {
6218     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
6219     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
6220     int envelope_nr = properties_element - EL_ENVELOPE_1;
6221
6222     counterbutton_info[counter1_id].value = &level.envelope_xsize[envelope_nr];
6223     counterbutton_info[counter2_id].value = &level.envelope_ysize[envelope_nr];
6224
6225     /* display counter to choose size of envelope text area */
6226     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_XSIZE);
6227     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_YSIZE);
6228
6229     DrawEnvelopeTextArea(envelope_nr);
6230   }
6231
6232   if (IS_CUSTOM_ELEMENT(properties_element))
6233   {
6234     /* draw stickybutton gadget */
6235     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
6236     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
6237     MapCheckbuttonGadget(i);
6238
6239     /* draw checkbutton gadgets */
6240     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
6241          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
6242       MapCheckbuttonGadget(i);
6243
6244     /* draw counter gadgets */
6245     for (i = ED_COUNTER_ID_CUSTOM_FIRST; i <= ED_COUNTER_ID_CUSTOM_LAST; i++)
6246       MapCounterButtons(i);
6247
6248     /* draw selectbox gadgets */
6249     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
6250       MapSelectboxGadget(i);
6251
6252     /* draw drawing area gadgets */
6253     DrawCustomContentArea();
6254     MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
6255     MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
6256
6257     /* draw text input gadgets */
6258     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
6259   }
6260   else if (IS_GROUP_ELEMENT(properties_element))
6261   {
6262     /* draw stickybutton gadget */
6263     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
6264     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
6265     MapCheckbuttonGadget(i);
6266
6267     /* draw counter gadgets */
6268     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
6269
6270     /* draw drawing area gadgets */
6271     DrawGroupElementArea(properties_element);
6272
6273     /* draw text input gadgets */
6274     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
6275   }
6276 }
6277
6278 static void DrawPropertiesAdvancedDrawingAreas()
6279 {
6280   MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
6281
6282   if (IS_CUSTOM_ELEMENT(properties_element))
6283   {
6284     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
6285     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
6286
6287     DrawCustomChangeContentArea();
6288   }
6289
6290   redraw_mask |= REDRAW_FIELD;
6291 }
6292
6293 static void DrawPropertiesAdvanced()
6294 {
6295   int i;
6296
6297   /* draw stickybutton gadget */
6298   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
6299   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
6300   MapCheckbuttonGadget(i);
6301
6302   if (IS_CUSTOM_ELEMENT(properties_element))
6303   {
6304     /* draw checkbutton gadgets */
6305     for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
6306          i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
6307     MapCheckbuttonGadget(i);
6308
6309     /* draw counter gadgets */
6310     for (i =  ED_COUNTER_ID_CHANGE_FIRST;
6311          i <= ED_COUNTER_ID_CHANGE_LAST; i++)
6312       MapCounterButtons(i);
6313
6314     /* draw selectbox gadgets */
6315     for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
6316          i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
6317       MapSelectboxGadget(i);
6318
6319     /* draw textbutton gadgets */
6320     for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
6321          i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
6322       MapTextbuttonGadget(i);
6323
6324     /* draw graphicbutton gadgets */
6325     for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
6326          i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
6327       MapGraphicbuttonGadget(i);
6328   }
6329   else if (IS_GROUP_ELEMENT(properties_element))
6330   {
6331     /* draw checkbutton gadgets */
6332     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
6333     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
6334
6335     /* draw textbutton gadgets */
6336     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
6337   }
6338
6339   /* draw drawing area gadgets */
6340   DrawPropertiesAdvancedDrawingAreas();
6341 }
6342
6343 static void DrawElementName(int x, int y, int element)
6344 {
6345   char *element_name = getElementInfoText(element);
6346   int font_nr = FONT_TEXT_1;
6347   int font_width = getFontWidth(font_nr);
6348   int font_height = getFontHeight(font_nr);
6349   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
6350   int max_chars_per_line = max_text_width / font_width;
6351   char buffer[max_chars_per_line + 1];
6352
6353   if (strlen(element_name) <= max_chars_per_line)
6354     DrawTextS(x, y, font_nr, element_name);
6355   else
6356   {
6357     int next_pos = max_chars_per_line;
6358
6359     strncpy(buffer, element_name, max_chars_per_line);
6360     buffer[max_chars_per_line] = '\0';
6361
6362     if (element_name[max_chars_per_line] == ' ')
6363       next_pos++;
6364     else
6365     {
6366       int i;
6367
6368       for (i = max_chars_per_line - 1; i >= 0; i--)
6369         if (buffer[i] == ' ')
6370           break;
6371
6372       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
6373       {
6374         buffer[i] = '\0';
6375         next_pos = i + 1;
6376       }
6377     }
6378
6379     DrawTextS(x, y - font_height / 2, font_nr, buffer);
6380
6381     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
6382     buffer[max_chars_per_line] = '\0';
6383
6384     DrawTextS(x, y + font_height / 2, font_nr, buffer);
6385   }
6386 }
6387
6388 static void DrawPropertiesWindow()
6389 {
6390   int xstart = 2;
6391   int ystart = 4;
6392
6393   stick_element_properties_window = FALSE;
6394
6395   /* make sure that previous properties edit mode exists for this element */
6396   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
6397       !IS_CUSTOM_ELEMENT(properties_element) &&
6398       !IS_GROUP_ELEMENT(properties_element))
6399     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
6400
6401   CopyElementPropertiesToEditor(properties_element);
6402
6403   UnmapLevelEditorWindowGadgets();
6404   UnmapLevelEditorToolboxDrawingGadgets();
6405   UnmapLevelEditorToolboxCustomGadgets();
6406
6407   if (IS_CUSTOM_ELEMENT(properties_element))
6408     MapLevelEditorToolboxCustomGadgets();
6409
6410   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
6411   ClearWindow();
6412
6413   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
6414            "Element Settings", FONT_TITLE_1);
6415
6416   DrawElementBorder(SX + xstart * MINI_TILEX,
6417                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
6418                     TILEX, TILEY, FALSE);
6419   DrawGraphicAnimationExt(drawto,
6420                           SX + xstart * MINI_TILEX,
6421                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
6422                           el2img(properties_element), -1, NO_MASKING);
6423
6424   FrameCounter = 0;     /* restart animation frame counter */
6425
6426   DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
6427                   properties_element);
6428
6429   DrawPropertiesTabulatorGadgets();
6430
6431   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
6432     DrawPropertiesInfo();
6433   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
6434     DrawPropertiesConfig();
6435   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
6436     DrawPropertiesAdvanced();
6437 }
6438
6439 static void UpdateCustomElementGraphicGadgets()
6440 {
6441   ModifyEditorElementList();
6442   RedrawDrawingElements();
6443
6444   if (edit_mode == ED_MODE_PROPERTIES &&
6445       edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED)
6446     DrawPropertiesAdvancedDrawingAreas();
6447 }
6448
6449 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
6450 {
6451   int lx = sx + level_xpos;
6452   int ly = sy + level_ypos;
6453
6454   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
6455
6456   if (change_level)
6457     Feld[lx][ly] = element;
6458 }
6459
6460 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
6461                      int element, boolean change_level)
6462 {
6463   if (from_y == to_y)                   /* horizontal line */
6464   {
6465     int x;
6466     int y = from_y;
6467
6468     if (from_x > to_x)
6469       swap_numbers(&from_x, &to_x);
6470
6471     for (x = from_x; x <= to_x; x++)
6472       DrawLineElement(x, y, element, change_level);
6473   }
6474   else if (from_x == to_x)              /* vertical line */
6475   {
6476     int x = from_x;
6477     int y;
6478
6479     if (from_y > to_y)
6480       swap_numbers(&from_y, &to_y);
6481
6482     for (y = from_y; y <= to_y; y++)
6483       DrawLineElement(x, y, element, change_level);
6484   }
6485   else                                  /* diagonal line */
6486   {
6487     int len_x = ABS(to_x - from_x);
6488     int len_y = ABS(to_y - from_y);
6489     int x, y;
6490
6491     if (len_y < len_x)                  /* a < 1 */
6492     {
6493       float a = (float)len_y / (float)len_x;
6494
6495       if (from_x > to_x)
6496         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
6497
6498       for (x = 0; x <= len_x; x++)
6499       {
6500         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
6501         DrawLineElement(from_x + x, from_y + y, element, change_level);
6502       }
6503     }
6504     else                                /* a >= 1 */
6505     {
6506       float a = (float)len_x / (float)len_y;
6507
6508       if (from_y > to_y)
6509         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
6510
6511       for (y = 0; y <= len_y; y++)
6512       {
6513         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
6514         DrawLineElement(from_x + x, from_y + y, element, change_level);
6515       }
6516     }
6517   }
6518 }
6519
6520 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
6521                     int element, boolean change_level)
6522 {
6523   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
6524   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
6525   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
6526   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
6527 }
6528
6529 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
6530                           int element, boolean change_level)
6531 {
6532   int y;
6533
6534   if (from_y > to_y)
6535     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
6536
6537   for (y = from_y; y <= to_y; y++)
6538     DrawLine(from_x, y, to_x, y, element, change_level);
6539 }
6540
6541 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
6542                        int element, boolean change_level)
6543 {
6544   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
6545   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
6546   int len_x = ABS(to_x - from_x);
6547   int len_y = ABS(to_y - from_y);
6548   int radius, x, y;
6549
6550   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
6551
6552   /* not optimal (some points get drawn twice) but simple,
6553      and fast enough for the few points we are drawing */
6554
6555   for (x = 0; x <= radius; x++)
6556   {
6557     int sx, sy, lx, ly;
6558
6559     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
6560
6561     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
6562     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
6563     lx = sx + level_xpos;
6564     ly = sy + level_ypos;
6565
6566     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6567       DrawLineElement(sx, sy, element, change_level);
6568   }
6569
6570   for (y = 0; y <= radius; y++)
6571   {
6572     int sx, sy, lx, ly;
6573
6574     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
6575
6576     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
6577     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
6578     lx = sx + level_xpos;
6579     ly = sy + level_ypos;
6580
6581     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6582       DrawLineElement(sx, sy, element, change_level);
6583   }
6584 }
6585
6586 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
6587                     int element, boolean change_level)
6588 {
6589   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
6590   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
6591
6592   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
6593 }
6594
6595 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
6596 #if DRAW_CIRCLES_BUTTON_AVAILABLE
6597 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
6598                        int element, boolean change_level)
6599 {
6600   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
6601   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
6602   int mirror_to_x2 = from_x - (to_x2 - from_x);
6603   int mirror_to_y2 = from_y - (to_y2 - from_y);
6604
6605   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
6606   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
6607   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
6608   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
6609 }
6610 #endif
6611
6612 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
6613 {
6614   int from_sx, from_sy;
6615   int to_sx, to_sy;
6616
6617   if (from_x > to_x)
6618     swap_numbers(&from_x, &to_x);
6619
6620   if (from_y > to_y)
6621     swap_numbers(&from_y, &to_y);
6622
6623   from_sx = SX + from_x * MINI_TILEX;
6624   from_sy = SY + from_y * MINI_TILEY;
6625   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
6626   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
6627
6628   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
6629   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
6630   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
6631   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
6632
6633   if (from_x == to_x && from_y == to_y)
6634     MarkTileDirty(from_x/2, from_y/2);
6635   else
6636     redraw_mask |= REDRAW_FIELD;
6637 }
6638
6639 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
6640                        int element, boolean change_level)
6641 {
6642   if (element == -1 || change_level)
6643     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
6644   else
6645     DrawAreaBorder(from_x, from_y, to_x, to_y);
6646 }
6647
6648 /* values for CopyBrushExt() */
6649 #define CB_AREA_TO_BRUSH        0
6650 #define CB_BRUSH_TO_CURSOR      1
6651 #define CB_BRUSH_TO_LEVEL       2
6652 #define CB_DELETE_OLD_CURSOR    3
6653
6654 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
6655                          int button, int mode)
6656 {
6657   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
6658   static int brush_width, brush_height;
6659   static int last_cursor_x = -1, last_cursor_y = -1;
6660   static boolean delete_old_brush;
6661   int new_element = BUTTON_ELEMENT(button);
6662   int x, y;
6663
6664   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
6665     return;
6666
6667   if (mode == CB_AREA_TO_BRUSH)
6668   {
6669     int from_lx, from_ly;
6670
6671     if (from_x > to_x)
6672       swap_numbers(&from_x, &to_x);
6673
6674     if (from_y > to_y)
6675       swap_numbers(&from_y, &to_y);
6676
6677     brush_width = to_x - from_x + 1;
6678     brush_height = to_y - from_y + 1;
6679
6680     from_lx = from_x + level_xpos;
6681     from_ly = from_y + level_ypos;
6682
6683     for (y = 0; y < brush_height; y++)
6684     {
6685       for (x=0; x < brush_width; x++)
6686       {
6687         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
6688
6689         if (button != 1)
6690           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
6691       }
6692     }
6693
6694     if (button != 1)
6695       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6696
6697     delete_old_brush = FALSE;
6698   }
6699   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
6700            mode == CB_BRUSH_TO_LEVEL)
6701   {
6702     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
6703     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
6704     int cursor_from_x = cursor_x - brush_width / 2;
6705     int cursor_from_y = cursor_y - brush_height / 2;
6706     int border_from_x = cursor_x, border_from_y = cursor_y;
6707     int border_to_x = cursor_x, border_to_y = cursor_y;
6708
6709     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
6710       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
6711
6712     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
6713         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
6714     {
6715       delete_old_brush = FALSE;
6716       return;
6717     }
6718
6719     for (y = 0; y < brush_height; y++)
6720     {
6721       for (x = 0; x < brush_width; x++)
6722       {
6723         int sx = cursor_from_x + x;
6724         int sy = cursor_from_y + y;
6725         int lx = sx + level_xpos;
6726         int ly = sy + level_ypos;
6727         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
6728         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
6729                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
6730                        brush_buffer[x][y] : new_element);
6731
6732         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6733         {
6734           if (sx < border_from_x)
6735             border_from_x = sx;
6736           else if (sx > border_to_x)
6737             border_to_x = sx;
6738           if (sy < border_from_y)
6739             border_from_y = sy;
6740           else if (sy > border_to_y)
6741             border_to_y = sy;
6742
6743           DrawLineElement(sx, sy, element, change_level);
6744         }
6745       }
6746     }
6747
6748     if (mode != CB_DELETE_OLD_CURSOR)
6749       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
6750
6751     last_cursor_x = cursor_x;
6752     last_cursor_y = cursor_y;
6753     delete_old_brush = TRUE;
6754   }
6755 }
6756
6757 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
6758                             int button)
6759 {
6760   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
6761 }
6762
6763 static void CopyBrushToLevel(int x, int y, int button)
6764 {
6765   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
6766 }
6767
6768 static void CopyBrushToCursor(int x, int y)
6769 {
6770   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
6771 }
6772
6773 static void DeleteBrushFromCursor()
6774 {
6775   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
6776 }
6777
6778 static void FloodFill(int from_x, int from_y, int fill_element)
6779 {
6780   int i,x,y;
6781   int old_element;
6782   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
6783   static int safety = 0;
6784
6785   /* check if starting field still has the desired content */
6786   if (Feld[from_x][from_y] == fill_element)
6787     return;
6788
6789   safety++;
6790
6791   if (safety > lev_fieldx*lev_fieldy)
6792     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
6793
6794   old_element = Feld[from_x][from_y];
6795   Feld[from_x][from_y] = fill_element;
6796
6797   for (i = 0; i < 4; i++)
6798   {
6799     x = from_x + check[i][0];
6800     y = from_y + check[i][1];
6801
6802     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
6803       FloodFill(x, y, fill_element);
6804   }
6805
6806   safety--;
6807 }
6808
6809 /* values for DrawLevelText() modes */
6810 #define TEXT_INIT               0
6811 #define TEXT_SETCURSOR          1
6812 #define TEXT_WRITECHAR          2
6813 #define TEXT_BACKSPACE          3
6814 #define TEXT_NEWLINE            4
6815 #define TEXT_END                5
6816 #define TEXT_QUERY_TYPING       6
6817
6818 static int DrawLevelText(int sx, int sy, char letter, int mode)
6819 {
6820   static short delete_buffer[MAX_LEV_FIELDX];
6821   static int start_sx, start_sy;
6822   static int last_sx, last_sy;
6823   static boolean typing = FALSE;
6824   int letter_element = EL_CHAR_ASCII0 + letter;
6825   int lx = 0, ly = 0;
6826
6827   /* map lower case letters to upper case and convert special characters */
6828   if (letter >= 'a' && letter <= 'z')
6829     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
6830   else if (letter == 'ä' || letter == 'Ä')
6831     letter_element = EL_CHAR_AUMLAUT;
6832   else if (letter == 'ö' || letter == 'Ö')
6833     letter_element = EL_CHAR_OUMLAUT;
6834   else if (letter == 'ü' || letter == 'Ü')
6835     letter_element = EL_CHAR_UUMLAUT;
6836   else if (letter == '^')
6837     letter_element = EL_CHAR_COPYRIGHT;
6838   else
6839     letter_element = EL_CHAR_ASCII0 + letter;
6840
6841   if (mode != TEXT_INIT)
6842   {
6843     if (!typing)
6844       return FALSE;
6845
6846     if (mode != TEXT_SETCURSOR)
6847     {
6848       sx = last_sx;
6849       sy = last_sy;
6850     }
6851
6852     lx = last_sx + level_xpos;
6853     ly = last_sy + level_ypos;
6854   }
6855
6856   switch (mode)
6857   {
6858     case TEXT_INIT:
6859       if (typing)
6860         DrawLevelText(0, 0, 0, TEXT_END);
6861
6862       typing = TRUE;
6863       start_sx = last_sx = sx;
6864       start_sy = last_sy = sy;
6865       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
6866       break;
6867
6868     case TEXT_SETCURSOR:
6869       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
6870       DrawAreaBorder(sx, sy, sx, sy);
6871       last_sx = sx;
6872       last_sy = sy;
6873       break;
6874
6875     case TEXT_WRITECHAR:
6876       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
6877       {
6878         delete_buffer[sx - start_sx] = Feld[lx][ly];
6879         Feld[lx][ly] = letter_element;
6880
6881         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
6882           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
6883         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
6884           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
6885         else
6886           DrawLevelText(0, 0, 0, TEXT_END);
6887       }
6888       break;
6889
6890     case TEXT_BACKSPACE:
6891       if (sx > start_sx)
6892       {
6893         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
6894         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
6895         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
6896       }
6897       break;
6898
6899     case TEXT_NEWLINE:
6900       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
6901         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
6902       else
6903         DrawLevelText(0, 0, 0, TEXT_END);
6904       break;
6905
6906     case TEXT_END:
6907       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6908       DrawMiniElement(sx, sy, Feld[lx][ly]);
6909       typing = FALSE;
6910       break;
6911
6912     case TEXT_QUERY_TYPING:
6913       break;
6914
6915     default:
6916       break;
6917   }
6918
6919   return typing;
6920 }
6921
6922 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
6923                           int element, boolean change_level)
6924 {
6925   int lx = sx + level_xpos;
6926   int ly = sy + level_ypos;
6927
6928   if (element == -1)
6929     DrawMiniElement(sx, sy, Feld[lx][ly]);
6930   else
6931     DrawAreaBorder(sx, sy, sx, sy);
6932 }
6933
6934 static void CopyLevelToUndoBuffer(int mode)
6935 {
6936   static boolean accumulated_undo = FALSE;
6937   boolean new_undo_buffer_position = TRUE;
6938   int last_border_element;
6939   int x, y;
6940
6941   switch (mode)
6942   {
6943     case UNDO_IMMEDIATE:
6944       accumulated_undo = FALSE;
6945       break;
6946
6947     case UNDO_ACCUMULATE:
6948       if (accumulated_undo)
6949         new_undo_buffer_position = FALSE;
6950       accumulated_undo = TRUE;
6951       break;
6952
6953     default:
6954       break;
6955   }
6956
6957   if (new_undo_buffer_position)
6958   {
6959     /* new position in undo buffer ring */
6960     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
6961
6962     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
6963       undo_buffer_steps++;
6964   }
6965
6966   for (x = 0; x < lev_fieldx; x++)
6967     for (y = 0; y < lev_fieldy; y++)
6968       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
6969
6970   /* check if drawing operation forces change of border style */
6971   last_border_element = BorderElement;
6972   SetBorderElement();
6973   if (BorderElement != last_border_element)
6974     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6975 }
6976
6977 static void RandomPlacement(int new_element)
6978 {
6979   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
6980   int num_free_positions;
6981   int num_percentage;
6982   int num_elements;
6983   int x, y;
6984
6985   /* determine number of free positions for the new elements */
6986   /* (maybe this statement should be formatted a bit more readable...) */
6987   num_free_positions = 0;
6988   for (x = 0; x < lev_fieldx; x++)
6989     for (y = 0; y < lev_fieldy; y++)
6990       if ((free_position[x][y] =
6991            ((random_placement_background_restricted &&
6992              Feld[x][y] == random_placement_background_element) ||
6993             (!random_placement_background_restricted &&
6994              Feld[x][y] != new_element))) == TRUE)
6995         num_free_positions++;
6996
6997   /* determine number of new elements to place there */
6998   num_percentage = num_free_positions * random_placement_value / 100;
6999   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
7000                   num_percentage : random_placement_value);
7001
7002   /* if not more free positions than elements to place, fill whole level */
7003   if (num_elements >= num_free_positions)
7004   {
7005     for (x = 0; x < lev_fieldx; x++)
7006       for (y = 0; y < lev_fieldy; y++)
7007         Feld[x][y] = new_element;
7008
7009     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7010     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7011     return;
7012   }
7013
7014   while (num_elements > 0)
7015   {
7016     x = RND(lev_fieldx);
7017     y = RND(lev_fieldy);
7018
7019     /* don't place element at the same position twice */
7020     if (free_position[x][y])
7021     {
7022       free_position[x][y] = FALSE;
7023       Feld[x][y] = new_element;
7024       num_elements--;
7025     }
7026   }
7027
7028   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7029   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7030 }
7031
7032 void WrapLevel(int dx, int dy)
7033 {
7034   int wrap_dx = lev_fieldx - dx;
7035   int wrap_dy = lev_fieldy - dy;
7036   int x, y;
7037
7038   for (x = 0; x < lev_fieldx; x++)
7039     for (y = 0; y < lev_fieldy; y++)
7040       FieldBackup[x][y] = Feld[x][y];
7041
7042   for (x = 0; x < lev_fieldx; x++)
7043     for (y = 0; y < lev_fieldy; y++)
7044       Feld[x][y] =
7045         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
7046
7047   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7048   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
7049 }
7050
7051 static void HandleDrawingAreas(struct GadgetInfo *gi)
7052 {
7053   static boolean started_inside_drawing_area = FALSE;
7054   int id = gi->custom_id;
7055   boolean button_press_event;
7056   boolean button_release_event;
7057   boolean inside_drawing_area = !gi->event.off_borders;
7058   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
7059   int actual_drawing_function;
7060   int button = gi->event.button;
7061   int new_element = BUTTON_ELEMENT(button);
7062   int sx = gi->event.x, sy = gi->event.y;
7063   int min_sx = 0, min_sy = 0;
7064   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
7065   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
7066   int lx = 0, ly = 0;
7067   int min_lx = 0, min_ly = 0;
7068   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
7069   int x, y;
7070
7071   /* handle info callback for each invocation of action callback */
7072   gi->callback_info(gi);
7073
7074   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
7075   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
7076
7077   /* make sure to stay inside drawing area boundaries */
7078   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
7079   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
7080
7081   if (draw_level)
7082   {
7083     /* get positions inside level field */
7084     lx = sx + level_xpos;
7085     ly = sy + level_ypos;
7086
7087     if (!IN_LEV_FIELD(lx, ly))
7088       inside_drawing_area = FALSE;
7089
7090     /* make sure to stay inside level field boundaries */
7091     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
7092     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
7093
7094     /* correct drawing area positions accordingly */
7095     sx = lx - level_xpos;
7096     sy = ly - level_ypos;
7097   }
7098
7099   if (button_press_event)
7100     started_inside_drawing_area = inside_drawing_area;
7101
7102   if (!started_inside_drawing_area)
7103     return;
7104
7105   if (!button && !button_release_event)
7106     return;
7107
7108   /* automatically switch to 'single item' drawing mode, if needed */
7109   actual_drawing_function =
7110     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
7111      drawing_function : GADGET_ID_SINGLE_ITEMS);
7112
7113   /* clicking into drawing area with pressed Control key picks element */
7114   if (GetKeyModState() & KMOD_Control)
7115   {
7116     last_drawing_function = drawing_function;
7117     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
7118   }
7119
7120   switch (actual_drawing_function)
7121   {
7122     case GADGET_ID_SINGLE_ITEMS:
7123       if (draw_level)
7124       {
7125         if (button_release_event)
7126         {
7127           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7128
7129           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
7130               !inside_drawing_area)
7131             DeleteBrushFromCursor();
7132         }
7133
7134         if (!button)
7135           break;
7136
7137         if (draw_with_brush)
7138         {
7139           if (!button_release_event)
7140             CopyBrushToLevel(sx, sy, button);
7141         }
7142         else if (new_element != Feld[lx][ly])
7143         {
7144           if (new_element == EL_PLAYER_1)
7145           {
7146             /* remove player at old position */
7147             for (y = 0; y < lev_fieldy; y++)
7148             {
7149               for (x = 0; x < lev_fieldx; x++)
7150               {
7151                 if (Feld[x][y] == EL_PLAYER_1)
7152                 {
7153                   Feld[x][y] = EL_EMPTY;
7154                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
7155                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
7156                     DrawMiniElement(x - level_xpos, y - level_ypos,
7157                                     EL_EMPTY);
7158                 }
7159               }
7160             }
7161           }
7162
7163           Feld[lx][ly] = new_element;
7164           DrawMiniElement(sx, sy, new_element);
7165         }
7166       }
7167       else
7168       {
7169         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
7170           DrawMiniGraphicExt(drawto,
7171                              gi->x + sx * MINI_TILEX,
7172                              gi->y + sy * MINI_TILEY,
7173                              el2edimg(new_element));
7174         else
7175           DrawGraphicExt(drawto,
7176                          gi->x + sx * TILEX,
7177                          gi->y + sy * TILEY,
7178                          el2img(new_element), 0);
7179
7180         if (id == GADGET_ID_AMOEBA_CONTENT)
7181           level.amoeba_content = new_element;
7182         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
7183         {
7184           new_element = GFX_ELEMENT(new_element);
7185           custom_element.gfx_element = new_element;
7186
7187           CopyElementPropertiesToGame(properties_element);
7188
7189           UpdateCustomElementGraphicGadgets();
7190
7191           FrameCounter = 0;     /* restart animation frame counter */
7192         }
7193         else if (id == GADGET_ID_CUSTOM_CONTENT)
7194         {
7195           custom_element.content[sx][sy] = new_element;
7196
7197           CopyCustomElementPropertiesToGame(properties_element);
7198         }
7199         else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
7200         {
7201           custom_element.move_enter_element = new_element;
7202
7203           CopyCustomElementPropertiesToGame(properties_element);
7204         }
7205         else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
7206         {
7207           custom_element.move_leave_element = new_element;
7208
7209           CopyCustomElementPropertiesToGame(properties_element);
7210         }
7211         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
7212         {
7213           custom_element_change.target_element = new_element;
7214
7215           CopyCustomElementPropertiesToGame(properties_element);
7216         }
7217         else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
7218         {
7219           custom_element_change.content[sx][sy] = new_element;
7220
7221           CopyCustomElementPropertiesToGame(properties_element);
7222         }
7223         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
7224         {
7225           custom_element_change.trigger_element = new_element;
7226
7227           CopyCustomElementPropertiesToGame(properties_element);
7228         }
7229         else if (id == GADGET_ID_GROUP_CONTENT)
7230         {
7231           group_element_info.element[sx] = new_element;
7232
7233           CopyGroupElementPropertiesToGame(properties_element);
7234         }
7235         else if (id == GADGET_ID_RANDOM_BACKGROUND)
7236           random_placement_background_element = new_element;
7237         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
7238                  id <= GADGET_ID_ELEMENT_CONTENT_7)
7239           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
7240             new_element;
7241       }
7242       break;
7243
7244     case GADGET_ID_CONNECTED_ITEMS:
7245       {
7246         static int last_sx = -1;
7247         static int last_sy = -1;
7248
7249         if (button_release_event)
7250           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7251
7252         if (button)
7253         {
7254           if (!button_press_event)
7255             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
7256
7257           last_sx = sx;
7258           last_sy = sy;
7259         }
7260       }
7261       break;
7262
7263     case GADGET_ID_LINE:
7264     case GADGET_ID_ARC:
7265     case GADGET_ID_RECTANGLE:
7266     case GADGET_ID_FILLED_BOX:
7267     case GADGET_ID_GRAB_BRUSH:
7268     case GADGET_ID_TEXT:
7269       {
7270         static int last_sx = -1;
7271         static int last_sy = -1;
7272         static int start_sx = -1;
7273         static int start_sy = -1;
7274         void (*draw_func)(int, int, int, int, int, boolean);
7275
7276         if (drawing_function == GADGET_ID_LINE)
7277           draw_func = DrawLine;
7278         else if (drawing_function == GADGET_ID_ARC)
7279           draw_func = DrawArc;
7280         else if (drawing_function == GADGET_ID_RECTANGLE)
7281           draw_func = DrawBox;
7282         else if (drawing_function == GADGET_ID_FILLED_BOX)
7283           draw_func = DrawFilledBox;
7284         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
7285           draw_func = SelectArea;
7286         else /* (drawing_function == GADGET_ID_TEXT) */
7287           draw_func = SetTextCursor;
7288
7289         if (button_press_event)
7290         {
7291           draw_func(sx, sy, sx, sy, new_element, FALSE);
7292           start_sx = last_sx = sx;
7293           start_sy = last_sy = sy;
7294
7295           if (drawing_function == GADGET_ID_TEXT)
7296             DrawLevelText(0, 0, 0, TEXT_END);
7297         }
7298         else if (button_release_event)
7299         {
7300           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
7301           if (drawing_function == GADGET_ID_GRAB_BRUSH)
7302           {
7303             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
7304             CopyBrushToCursor(sx, sy);
7305             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
7306                           MB_LEFTBUTTON);
7307             draw_with_brush = TRUE;
7308           }
7309           else if (drawing_function == GADGET_ID_TEXT)
7310             DrawLevelText(sx, sy, 0, TEXT_INIT);
7311           else
7312             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7313         }
7314         else if (last_sx != sx || last_sy != sy)
7315         {
7316           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
7317           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
7318           last_sx = sx;
7319           last_sy = sy;
7320         }
7321       }
7322       break;
7323
7324     case GADGET_ID_FLOOD_FILL:
7325       if (button_press_event && Feld[lx][ly] != new_element)
7326       {
7327         FloodFill(lx, ly, new_element);
7328         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7329         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7330       }
7331       break;
7332
7333     case GADGET_ID_PICK_ELEMENT:
7334       if (button_release_event)
7335         ClickOnGadget(level_editor_gadget[last_drawing_function],
7336                       MB_LEFTBUTTON);
7337       else if (draw_level)
7338         PickDrawingElement(button, Feld[lx][ly]);
7339       else if (id == GADGET_ID_AMOEBA_CONTENT)
7340         PickDrawingElement(button, level.amoeba_content);
7341       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
7342         PickDrawingElement(button, custom_element.gfx_element);
7343       else if (id == GADGET_ID_CUSTOM_CONTENT)
7344         PickDrawingElement(button, custom_element.content[sx][sy]);
7345       else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
7346         PickDrawingElement(button, custom_element.move_enter_element);
7347       else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
7348         PickDrawingElement(button, custom_element.move_leave_element);
7349       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
7350         PickDrawingElement(button, custom_element_change.target_element);
7351       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
7352         PickDrawingElement(button, custom_element_change.content[sx][sy]);
7353       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
7354         PickDrawingElement(button, custom_element_change.trigger_element);
7355       else if (id == GADGET_ID_GROUP_CONTENT)
7356         PickDrawingElement(button, group_element_info.element[sx]);
7357       else if (id == GADGET_ID_RANDOM_BACKGROUND)
7358         PickDrawingElement(button, random_placement_background_element);
7359       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
7360                id <= GADGET_ID_ELEMENT_CONTENT_7)
7361       {
7362         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
7363
7364         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
7365       }
7366
7367       break;
7368
7369     default:
7370       break;
7371   }
7372 }
7373
7374 static void HandleCounterButtons(struct GadgetInfo *gi)
7375 {
7376   int gadget_id = gi->custom_id;
7377   int counter_id = gi->custom_type_id;
7378   int button = gi->event.button;
7379   int *counter_value = counterbutton_info[counter_id].value;
7380   int step = BUTTON_STEPSIZE(button) *
7381     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
7382
7383   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
7384   {
7385     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
7386     boolean released = (gi->event.type == GD_EVENT_RELEASED);
7387     boolean level_changed = LevelChanged();
7388
7389     if ((level_changed && pressed) || (!level_changed && released))
7390       return;
7391
7392     if (level_changed && !Request("Level has changed! Discard changes ?",
7393                                   REQ_ASK))
7394     {
7395       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
7396         ModifyEditorCounter(counter_id, *counter_value);
7397       return;
7398     }
7399   }
7400
7401   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
7402     *counter_value = gi->textinput.number_value;
7403   else
7404     ModifyEditorCounter(counter_id, *counter_value + step);
7405
7406   switch (counter_id)
7407   {
7408     case ED_COUNTER_ID_ELEMENT_CONTENT:
7409       DrawElementContentAreas();
7410       break;
7411
7412     case ED_COUNTER_ID_GROUP_CONTENT:
7413       DrawGroupElementArea(properties_element);
7414       CopyGroupElementPropertiesToGame(properties_element);
7415       break;
7416
7417     case ED_COUNTER_ID_ENVELOPE_XSIZE:
7418     case ED_COUNTER_ID_ENVELOPE_YSIZE:
7419       DrawEnvelopeTextArea(-1);
7420       break;
7421
7422     case ED_COUNTER_ID_LEVEL_XSIZE:
7423     case ED_COUNTER_ID_LEVEL_YSIZE:
7424       lev_fieldx = level.fieldx;
7425       lev_fieldy = level.fieldy;
7426       break;
7427
7428     case ED_COUNTER_ID_SELECT_LEVEL:
7429       LoadLevel(level_nr);
7430       TapeErase();
7431       ResetUndoBuffer();
7432       DrawEditModeWindow();
7433       break;
7434
7435     default:
7436       break;
7437   }
7438
7439   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
7440        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
7441       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
7442        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
7443     CopyElementPropertiesToGame(properties_element);
7444 }
7445
7446 static void HandleTextInputGadgets(struct GadgetInfo *gi)
7447 {
7448   int type_id = gi->custom_type_id;
7449
7450   strcpy(textinput_info[type_id].value, gi->textinput.value);
7451
7452   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
7453   {
7454     CopyElementPropertiesToGame(properties_element);
7455
7456     ModifyEditorElementList();  /* update changed button info text */
7457   }
7458 }
7459
7460 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
7461 {
7462   int type_id = gi->custom_type_id;
7463
7464   strcpy(textarea_info[type_id].value, gi->textarea.value);
7465 }
7466
7467 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
7468 {
7469   int type_id = gi->custom_type_id;
7470
7471   *selectbox_info[type_id].value =
7472     selectbox_info[type_id].options[gi->selectbox.index].value;
7473
7474   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
7475   {
7476     element_info[properties_element].current_change_page = gi->selectbox.index;
7477
7478     DrawPropertiesWindow();
7479   }
7480   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
7481             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
7482            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
7483             type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
7484     CopyElementPropertiesToGame(properties_element);
7485 }
7486
7487 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
7488 {
7489   int type_id = gi->custom_type_id;
7490   int i;
7491
7492   if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
7493       type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
7494   {
7495     edit_mode_properties = gi->custom_type_id;
7496
7497     DrawPropertiesWindow();
7498   }
7499   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
7500   {
7501     char *template_filename = getDefaultLevelFilename(-1);
7502     boolean new_template = !fileExists(template_filename);
7503
7504     if (new_template ||
7505         Request("Save this template and kill the old ?", REQ_ASK))
7506       SaveLevelTemplate();
7507
7508     if (new_template)
7509       Request("Template saved !", REQ_CONFIRM);
7510   }
7511   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
7512            custom_element.num_change_pages < MAX_CHANGE_PAGES)
7513   {
7514     struct ElementInfo *ei = &element_info[properties_element];
7515
7516     setElementChangePages(ei, ei->num_change_pages + 1);
7517
7518     /* set new change page to be new current change page */
7519     ei->current_change_page = ei->num_change_pages - 1;
7520     ei->change = &ei->change_page[ei->current_change_page];
7521
7522     setElementChangeInfoToDefaults(ei->change);
7523
7524     DrawPropertiesWindow();
7525   }
7526   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7527            custom_element.num_change_pages > MIN_CHANGE_PAGES)
7528   {
7529     struct ElementInfo *ei = &element_info[properties_element];
7530
7531     /* copy all change pages after change page to be deleted */
7532     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
7533       ei->change_page[i] = ei->change_page[i + 1];
7534
7535     setElementChangePages(ei, ei->num_change_pages - 1);
7536
7537     DrawPropertiesWindow();
7538   }
7539 }
7540
7541 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
7542 {
7543   int type_id = gi->custom_type_id;
7544
7545   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
7546       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
7547   {
7548     struct ElementInfo *ei = &element_info[properties_element];
7549     int step = BUTTON_STEPSIZE(gi->event.button);
7550
7551     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
7552     ei->current_change_page += step;
7553
7554     if (ei->current_change_page < 0)
7555       ei->current_change_page = 0;
7556     else if (ei->current_change_page >= ei->num_change_pages)
7557       ei->current_change_page = ei->num_change_pages - 1;
7558
7559     DrawPropertiesWindow();
7560   }
7561 }
7562
7563 static void HandleRadiobuttons(struct GadgetInfo *gi)
7564 {
7565   *radiobutton_info[gi->custom_type_id].value =
7566     radiobutton_info[gi->custom_type_id].checked_value;
7567 }
7568
7569 static void HandleCheckbuttons(struct GadgetInfo *gi)
7570 {
7571   int type_id = gi->custom_type_id;
7572
7573   *checkbutton_info[type_id].value ^= TRUE;
7574
7575   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
7576        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
7577       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
7578        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST &&
7579        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
7580   {
7581     CopyElementPropertiesToGame(properties_element);
7582   }
7583
7584   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
7585   {
7586     UpdateCustomElementGraphicGadgets();
7587   }
7588   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
7589   {
7590     char *template_filename = getDefaultLevelFilename(-1);
7591
7592     if (level.use_custom_template && !fileExists(template_filename))
7593     {
7594       Request("No level template found !", REQ_CONFIRM);
7595
7596       level.use_custom_template = FALSE;
7597       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
7598
7599       return;
7600     }
7601
7602     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
7603
7604     DrawEditModeWindow();
7605   }
7606 }
7607
7608 static void HandleControlButtons(struct GadgetInfo *gi)
7609 {
7610   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
7611   static int last_edit_mode = ED_MODE_DRAWING;
7612   static int last_custom_copy_mode = -1;
7613   int id = gi->custom_id;
7614   int button = gi->event.button;
7615   int step = BUTTON_STEPSIZE(button);
7616   int new_element = BUTTON_ELEMENT(button);
7617   int x, y;
7618
7619   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
7620     DrawLevelText(0, 0, 0, TEXT_END);
7621
7622   if (id < ED_NUM_CTRL1_BUTTONS &&
7623       id != GADGET_ID_SINGLE_ITEMS &&
7624       id != GADGET_ID_PROPERTIES &&
7625       id != GADGET_ID_PICK_ELEMENT &&
7626       edit_mode != ED_MODE_DRAWING &&
7627       drawing_function != GADGET_ID_PICK_ELEMENT &&
7628       !(GetKeyModState() & KMOD_Control))
7629   {
7630     DrawDrawingWindow();
7631     edit_mode = ED_MODE_DRAWING;
7632   }
7633
7634   switch (id)
7635   {
7636     case GADGET_ID_SCROLL_LEFT:
7637       if (level_xpos >= 0)
7638       {
7639         if (lev_fieldx < ed_fieldx - 2)
7640           break;
7641
7642         level_xpos -= step;
7643         if (level_xpos < -1)
7644           level_xpos = -1;
7645         if (button == 1)
7646           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
7647         else
7648           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7649
7650         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7651                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
7652       }
7653       break;
7654
7655     case GADGET_ID_SCROLL_RIGHT:
7656       if (level_xpos <= lev_fieldx - ed_fieldx)
7657       {
7658         if (lev_fieldx < ed_fieldx - 2)
7659           break;
7660
7661         level_xpos += step;
7662         if (level_xpos > lev_fieldx - ed_fieldx + 1)
7663           level_xpos = lev_fieldx - ed_fieldx + 1;
7664         if (button == 1)
7665           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
7666         else
7667           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7668
7669         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7670                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
7671       }
7672       break;
7673
7674     case GADGET_ID_SCROLL_UP:
7675       if (level_ypos >= 0)
7676       {
7677         if (lev_fieldy < ed_fieldy - 2)
7678           break;
7679
7680         level_ypos -= step;
7681         if (level_ypos < -1)
7682           level_ypos = -1;
7683         if (button == 1)
7684           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
7685         else
7686           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7687
7688         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7689                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
7690       }
7691       break;
7692
7693     case GADGET_ID_SCROLL_DOWN:
7694       if (level_ypos <= lev_fieldy - ed_fieldy)
7695       {
7696         if (lev_fieldy < ed_fieldy - 2)
7697           break;
7698
7699         level_ypos += step;
7700         if (level_ypos > lev_fieldy - ed_fieldy + 1)
7701           level_ypos = lev_fieldy - ed_fieldy + 1;
7702         if (button == 1)
7703           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
7704         else
7705           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7706
7707         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7708                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
7709       }
7710       break;
7711
7712     case GADGET_ID_SCROLL_HORIZONTAL:
7713       level_xpos = gi->event.item_position - 1;
7714       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7715       break;
7716
7717     case GADGET_ID_SCROLL_VERTICAL:
7718       level_ypos = gi->event.item_position - 1;
7719       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7720       break;
7721
7722     case GADGET_ID_SCROLL_LIST_UP:
7723     case GADGET_ID_SCROLL_LIST_DOWN:
7724     case GADGET_ID_SCROLL_LIST_VERTICAL:
7725       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
7726         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
7727       else
7728       {
7729         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
7730         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
7731
7732         if (element_shift < 0)
7733           element_shift = 0;
7734         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7735           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7736
7737         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
7738                      GDI_SCROLLBAR_ITEM_POSITION,
7739                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
7740       }
7741
7742       ModifyEditorElementList();
7743
7744       break;
7745
7746     case GADGET_ID_WRAP_LEFT:
7747       WrapLevel(-step, 0);
7748       break;
7749
7750     case GADGET_ID_WRAP_RIGHT:
7751       WrapLevel(step, 0);
7752       break;
7753
7754     case GADGET_ID_WRAP_UP:
7755       WrapLevel(0, -step);
7756       break;
7757
7758     case GADGET_ID_WRAP_DOWN:
7759       WrapLevel(0, step);
7760       break;
7761
7762     case GADGET_ID_SINGLE_ITEMS:
7763     case GADGET_ID_CONNECTED_ITEMS:
7764     case GADGET_ID_LINE:
7765     case GADGET_ID_ARC:
7766     case GADGET_ID_TEXT:
7767     case GADGET_ID_RECTANGLE:
7768     case GADGET_ID_FILLED_BOX:
7769     case GADGET_ID_FLOOD_FILL:
7770     case GADGET_ID_GRAB_BRUSH:
7771     case GADGET_ID_PICK_ELEMENT:
7772       if (drawing_function != GADGET_ID_PICK_ELEMENT)
7773         last_drawing_function = drawing_function;
7774       drawing_function = id;
7775       draw_with_brush = FALSE;
7776       break;
7777
7778     case GADGET_ID_RANDOM_PLACEMENT:
7779       RandomPlacement(new_element);
7780       break;
7781
7782     case GADGET_ID_PROPERTIES:
7783       if (edit_mode != ED_MODE_PROPERTIES)
7784       {
7785         properties_element = new_element;
7786         DrawPropertiesWindow();
7787         edit_mode = ED_MODE_PROPERTIES;
7788
7789         last_level_drawing_function = drawing_function;
7790         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
7791                       MB_LEFTBUTTON);
7792       }
7793       else
7794       {
7795         DrawDrawingWindow();
7796         edit_mode = ED_MODE_DRAWING;
7797
7798         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
7799                       MB_LEFTBUTTON);
7800       }
7801       break;
7802
7803     case GADGET_ID_CUSTOM_COPY_FROM:
7804     case GADGET_ID_CUSTOM_COPY_TO:
7805     case GADGET_ID_CUSTOM_EXCHANGE:
7806       last_custom_copy_mode = id;
7807       last_drawing_function = drawing_function;
7808       break;
7809
7810     case GADGET_ID_UNDO:
7811       if (undo_buffer_steps == 0)
7812       {
7813         Request("Undo buffer empty !", REQ_CONFIRM);
7814         break;
7815       }
7816
7817       if (edit_mode != ED_MODE_DRAWING)
7818       {
7819         DrawDrawingWindow();
7820         edit_mode = ED_MODE_DRAWING;
7821       }
7822
7823       undo_buffer_position =
7824         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
7825       undo_buffer_steps--;
7826
7827       for (x = 0; x < lev_fieldx; x++)
7828         for (y = 0; y < lev_fieldy; y++)
7829           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
7830       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
7831       break;
7832
7833     case GADGET_ID_INFO:
7834       if (edit_mode != ED_MODE_INFO)
7835       {
7836         last_edit_mode = edit_mode;
7837         edit_mode = ED_MODE_INFO;
7838
7839         DrawLevelInfoWindow();
7840       }
7841       else
7842       {
7843         edit_mode = last_edit_mode;
7844
7845         DrawEditModeWindow();
7846       }
7847       break;
7848
7849     case GADGET_ID_CLEAR:
7850       if (edit_mode != ED_MODE_DRAWING)
7851       {
7852         DrawDrawingWindow();
7853         edit_mode = ED_MODE_DRAWING;
7854       }
7855
7856       for (x = 0; x < MAX_LEV_FIELDX; x++)
7857         for (y = 0; y < MAX_LEV_FIELDY; y++)
7858           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
7859       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
7860
7861       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7862       break;
7863
7864     case GADGET_ID_SAVE:
7865       if (leveldir_current->readonly)
7866       {
7867         Request("This level is read only !", REQ_CONFIRM);
7868         break;
7869       }
7870
7871       if (!LevelContainsPlayer)
7872         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
7873       else
7874       {
7875         char *level_filename = getDefaultLevelFilename(level_nr);
7876         boolean new_level = !fileExists(level_filename);
7877
7878         if (new_level ||
7879             Request("Save this level and kill the old ?", REQ_ASK))
7880         {
7881           CopyPlayfield(Feld, level.field);
7882
7883           SaveLevel(level_nr);
7884         }
7885
7886         if (new_level)
7887           Request("Level saved !", REQ_CONFIRM);
7888       }
7889       break;
7890
7891     case GADGET_ID_TEST:
7892       if (!LevelContainsPlayer)
7893         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
7894       else
7895       {
7896         if (LevelChanged())
7897           level.game_version = GAME_VERSION_ACTUAL;
7898
7899         CopyPlayfield(level.field, FieldBackup);
7900         CopyPlayfield(Feld, level.field);
7901
7902         UnmapLevelEditorGadgets();
7903         UndrawSpecialEditorDoor();
7904
7905         CloseDoor(DOOR_CLOSE_ALL);
7906
7907         DrawCompleteVideoDisplay();
7908
7909         if (setup.autorecord)
7910           TapeStartRecording();
7911
7912         level_editor_test_game = TRUE;
7913         game_status = GAME_MODE_PLAYING;
7914
7915         InitGame();
7916       }
7917       break;
7918
7919     case GADGET_ID_EXIT:
7920       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
7921       break;
7922
7923     default:
7924       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
7925           id <= GADGET_ID_ELEMENTLIST_LAST)
7926       {
7927         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
7928         int new_element = editor_elements[element_position + element_shift];
7929
7930         if (last_custom_copy_mode != -1)
7931         {
7932           CopyCustomElement(properties_element, new_element,
7933                             last_custom_copy_mode);
7934
7935           ClickOnGadget(level_editor_gadget[last_drawing_function],
7936                         MB_LEFTBUTTON);
7937
7938           last_custom_copy_mode = -1;
7939
7940           break;
7941         }
7942
7943         PickDrawingElement(button, new_element);
7944
7945         if (!stick_element_properties_window &&
7946             drawing_function != GADGET_ID_PICK_ELEMENT &&
7947             !(GetKeyModState() & KMOD_Control))
7948         {
7949           properties_element = new_element;
7950           if (edit_mode == ED_MODE_PROPERTIES)
7951             DrawPropertiesWindow();
7952         }
7953
7954         if (drawing_function == GADGET_ID_PICK_ELEMENT)
7955           ClickOnGadget(level_editor_gadget[last_drawing_function],
7956                         MB_LEFTBUTTON);
7957       }
7958 #ifdef DEBUG
7959       else if (gi->event.type == GD_EVENT_PRESSED)
7960         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
7961       else if (gi->event.type == GD_EVENT_RELEASED)
7962         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
7963       else if (gi->event.type == GD_EVENT_MOVING)
7964         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
7965       else
7966         printf("default: HandleControlButtons: ? (id == %d)\n", id);
7967 #endif
7968       break;
7969   }
7970 }
7971
7972 void HandleLevelEditorKeyInput(Key key)
7973 {
7974   char letter = getCharFromKey(key);
7975   int button = MB_LEFTBUTTON;
7976
7977   if (drawing_function == GADGET_ID_TEXT &&
7978       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
7979   {
7980     if (letter)
7981       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
7982     else if (key == KSYM_Delete || key == KSYM_BackSpace)
7983       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
7984     else if (key == KSYM_Return)
7985       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
7986     else if (key == KSYM_Escape)
7987       DrawLevelText(0, 0, 0, TEXT_END);
7988   }
7989   else if (button_status == MB_RELEASED)
7990   {
7991     int i, id = GADGET_ID_NONE;
7992
7993     switch (key)
7994     {
7995       case KSYM_Left:
7996         id = GADGET_ID_SCROLL_LEFT;
7997         break;
7998       case KSYM_Right:
7999         id = GADGET_ID_SCROLL_RIGHT;
8000         break;
8001       case KSYM_Up:
8002         id = GADGET_ID_SCROLL_UP;
8003         break;
8004       case KSYM_Down:
8005         id = GADGET_ID_SCROLL_DOWN;
8006         break;
8007       case KSYM_Page_Up:
8008         id = GADGET_ID_SCROLL_LIST_UP;
8009         button = MB_RIGHTBUTTON;
8010         break;
8011       case KSYM_Page_Down:
8012         id = GADGET_ID_SCROLL_LIST_DOWN;
8013         button = MB_RIGHTBUTTON;
8014         break;
8015
8016       case KSYM_Escape:
8017         if (edit_mode == ED_MODE_DRAWING)
8018         {
8019           RequestExitLevelEditor(setup.ask_on_escape);
8020         }
8021         else
8022         {
8023           DrawDrawingWindow();
8024           edit_mode = ED_MODE_DRAWING;
8025         }
8026         break;
8027
8028       default:
8029         break;
8030     }
8031
8032     if (id != GADGET_ID_NONE)
8033       ClickOnGadget(level_editor_gadget[id], button);
8034     else if (letter == '.')
8035       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
8036     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
8037       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
8038     else
8039       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8040         if (letter && letter == control_info[i].shortcut)
8041           if (!anyTextGadgetActive())
8042             ClickOnGadget(level_editor_gadget[i], button);
8043   }
8044 }
8045
8046 void HandleLevelEditorIdle()
8047 {
8048   static unsigned long action_delay = 0;
8049   unsigned long action_delay_value = GameFrameDelay;
8050   int xpos = 1, ypos = 2;
8051
8052   if (edit_mode != ED_MODE_PROPERTIES)
8053     return;
8054
8055   if (!DelayReached(&action_delay, action_delay_value))
8056     return;
8057
8058   DrawGraphicAnimationExt(drawto,
8059                           SX + xpos * TILEX,
8060                           SY + ypos * TILEY + MINI_TILEY / 2,
8061                           el2img(properties_element), -1, NO_MASKING);
8062
8063   MarkTileDirty(xpos, ypos);
8064   MarkTileDirty(xpos, ypos + 1);
8065
8066   FrameCounter++;       /* increase animation frame counter */
8067 }
8068
8069 void ClearEditorGadgetInfoText()
8070 {
8071   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
8072 }
8073
8074 void HandleEditorGadgetInfoText(void *ptr)
8075 {
8076   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
8077   char infotext[MAX_OUTPUT_LINESIZE + 1];
8078   char shortcut[MAX_OUTPUT_LINESIZE + 1];
8079   int max_infotext_len = getMaxInfoTextLength();
8080
8081   if (game_status != GAME_MODE_EDITOR)
8082     return;
8083
8084   ClearEditorGadgetInfoText();
8085
8086   if (gi->event.type == GD_EVENT_INFO_LEAVING)
8087     return;
8088
8089   /* misuse this function to delete brush cursor, if needed */
8090   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
8091     DeleteBrushFromCursor();
8092
8093   if (gi == NULL || gi->info_text == NULL)
8094     return;
8095
8096   strncpy(infotext, gi->info_text, max_infotext_len);
8097   infotext[max_infotext_len] = '\0';
8098
8099   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
8100   {
8101     int key = control_info[gi->custom_id].shortcut;
8102
8103     if (key)
8104     {
8105       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
8106         sprintf(shortcut, " ('.' or '%c')", key);
8107       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
8108         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
8109       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
8110         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
8111       else                                              /* normal case */
8112         sprintf(shortcut, " ('%s%c')",
8113                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
8114
8115       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
8116         strcat(infotext, shortcut);
8117     }
8118   }
8119
8120   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
8121 }
8122
8123 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
8124 {
8125   static int start_lx, start_ly;
8126   int id = gi->custom_id;
8127   int sx = gi->event.x;
8128   int sy = gi->event.y;
8129   int lx = sx + level_xpos;
8130   int ly = sy + level_ypos;
8131   int min_sx = 0, min_sy = 0;
8132   int max_sx = gi->drawing.area_xsize - 1;
8133   int max_sy = gi->drawing.area_ysize - 1;
8134   int actual_drawing_function = drawing_function;
8135   int max_infotext_len = getMaxInfoTextLength();
8136   char infotext[MAX_OUTPUT_LINESIZE + 1];
8137   char *text;
8138
8139   infotext[0] = '\0';           /* start with empty info text */
8140
8141   /* pressed Control key: simulate picking element */
8142   if (GetKeyModState() & KMOD_Control)
8143     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
8144
8145   ClearEditorGadgetInfoText();
8146
8147   if (gi->event.type == GD_EVENT_INFO_LEAVING)
8148     return;
8149
8150   /* make sure to stay inside drawing area boundaries */
8151   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
8152   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
8153
8154   if (id == GADGET_ID_DRAWING_LEVEL)
8155   {
8156     if (button_status)
8157     {
8158       int min_lx = 0, min_ly = 0;
8159       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
8160
8161       /* get positions inside level field */
8162       lx = sx + level_xpos;
8163       ly = sy + level_ypos;
8164
8165       /* make sure to stay inside level field boundaries */
8166       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
8167       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
8168
8169       /* correct drawing area positions accordingly */
8170       sx = lx - level_xpos;
8171       sy = ly - level_ypos;
8172     }
8173
8174     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
8175     {
8176       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
8177       {
8178         if (gi->event.type == GD_EVENT_PRESSED)
8179         {
8180           start_lx = lx;
8181           start_ly = ly;
8182         }
8183
8184         switch (actual_drawing_function)
8185         {
8186           case GADGET_ID_SINGLE_ITEMS:
8187             text = "Drawing single items";
8188             break;
8189           case GADGET_ID_CONNECTED_ITEMS:
8190             text = "Drawing connected items";
8191             break;
8192           case GADGET_ID_LINE:
8193             text = "Drawing line";
8194             break;
8195           case GADGET_ID_ARC:
8196             text = "Drawing arc";
8197             break;
8198           case GADGET_ID_TEXT:
8199             text = "Setting text cursor";
8200             break;
8201           case GADGET_ID_RECTANGLE:
8202             text = "Drawing rectangle";
8203             break;
8204           case GADGET_ID_FILLED_BOX:
8205             text = "Drawing filled box";
8206             break;
8207           case GADGET_ID_FLOOD_FILL:
8208             text = "Flood fill";
8209             break;
8210           case GADGET_ID_GRAB_BRUSH:
8211             text = "Grabbing brush";
8212             break;
8213           case GADGET_ID_PICK_ELEMENT:
8214             text = "Picking element";
8215             break;
8216
8217           default:
8218             text = "Drawing position";
8219             break;
8220         }
8221
8222 #if 1
8223         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
8224           sprintf(infotext, "%s: %d, %d", text, lx, ly);
8225         else
8226           sprintf(infotext, "%s: %d, %d", text,
8227                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
8228 #else
8229         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
8230           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
8231                     "%s: %d, %d", infotext, lx, ly);
8232         else
8233           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
8234                     "%s: %d, %d", infotext,
8235                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
8236 #endif
8237       }
8238 #if 1
8239       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
8240         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
8241       else
8242         sprintf(infotext, "Level position: %d, %d", lx, ly);
8243
8244       infotext[max_infotext_len] = '\0';
8245 #else
8246       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
8247         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
8248                   "%s", getElementInfoText(Feld[lx][ly]));
8249       else
8250         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
8251                   "Level position: %d, %d", lx, ly);
8252 #endif
8253     }
8254
8255     /* misuse this function to draw brush cursor, if needed */
8256     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
8257     {
8258       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
8259         CopyBrushToCursor(sx, sy);
8260       else
8261         DeleteBrushFromCursor();
8262     }
8263   }
8264   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
8265   {
8266     if (id == GADGET_ID_AMOEBA_CONTENT)
8267       text = getElementInfoText(level.amoeba_content);
8268     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
8269       text = getElementInfoText(custom_element.gfx_element);
8270     else if (id == GADGET_ID_CUSTOM_CONTENT)
8271       text = getElementInfoText(custom_element.content[sx][sy]);
8272     else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
8273       text = getElementInfoText(custom_element.move_enter_element);
8274     else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
8275       text = getElementInfoText(custom_element.move_leave_element);
8276     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
8277       text = getElementInfoText(custom_element_change.target_element);
8278     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
8279       text = getElementInfoText(custom_element_change.content[sx][sy]);
8280     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
8281       text = getElementInfoText(custom_element_change.trigger_element);
8282     else if (id == GADGET_ID_GROUP_CONTENT)
8283       text = getElementInfoText(group_element_info.element[sx]);
8284     else if (id == GADGET_ID_RANDOM_BACKGROUND)
8285       text = getElementInfoText(random_placement_background_element);
8286     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
8287              id <= GADGET_ID_ELEMENT_CONTENT_7)
8288     {
8289       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
8290
8291       text = getElementInfoText(level.yamyam_content[i][sx][sy]);
8292     }
8293
8294     strncpy(infotext, text, max_infotext_len);
8295     infotext[max_infotext_len] = '\0';
8296   }
8297   else
8298   {
8299     if (id == GADGET_ID_AMOEBA_CONTENT)
8300       strcpy(infotext, "Amoeba content");
8301     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
8302       strcpy(infotext, "Custom graphic element");
8303     else if (id == GADGET_ID_CUSTOM_CONTENT)
8304       sprintf(infotext, "Custom element content position: %d, %d", sx, sy);
8305     else if (id == GADGET_ID_CUSTOM_MOVE_ENTER)
8306       strcpy(infotext, "Element that can be digged");
8307     else if (id == GADGET_ID_CUSTOM_MOVE_LEAVE)
8308       strcpy(infotext, "Element that can be left behind");
8309     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
8310       strcpy(infotext, "New element after change");
8311     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
8312       strcpy(infotext, "New extended elements after change");
8313     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
8314       strcpy(infotext, "Other element triggering change");
8315     else if (id == GADGET_ID_GROUP_CONTENT)
8316       sprintf(infotext, "Group element position: %d", sx + 1);
8317     else if (id == GADGET_ID_RANDOM_BACKGROUND)
8318       strcpy(infotext, "Random placement background");
8319     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
8320              id <= GADGET_ID_ELEMENT_CONTENT_7)
8321       sprintf(infotext, "Content area %d position: %d, %d",
8322               id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
8323   }
8324
8325   if (strlen(infotext) > 0)
8326     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
8327 }
8328
8329 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
8330 {
8331   if (!ask_if_level_has_changed ||
8332       !LevelChanged() ||
8333       Request("Level has changed! Exit without saving ?",
8334               REQ_ASK | REQ_STAY_OPEN))
8335   {
8336 #if 1
8337     CloseDoor(DOOR_CLOSE_1);
8338     SetDoorState(DOOR_CLOSE_2);
8339 #else
8340     CloseDoor(DOOR_CLOSE_ALL);
8341 #endif
8342     game_status = GAME_MODE_MAIN;
8343     DrawMainMenu();
8344   }
8345   else
8346   {
8347     CloseDoor(DOOR_CLOSE_1);
8348     BlitBitmap(bitmap_db_door, bitmap_db_door,
8349                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
8350                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
8351     OpenDoor(DOOR_OPEN_1);
8352   }
8353 }