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