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 /*
  28   -----------------------------------------------------------------------------
  29   screen and artwork graphic pixel position definitions
  30   -----------------------------------------------------------------------------
  31 */
  32
  33 /* positions in the level editor */
  34 #define ED_WIN_MB_LEFT_XPOS             6
  35 #define ED_WIN_MB_LEFT_YPOS             258
  36 #define ED_WIN_MB_MIDDLE_XPOS           42
  37 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  38 #define ED_WIN_MB_RIGHT_XPOS            78
  39 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  40
  41 /* values for the control window */
  42 #define ED_CTRL_BUTTONS_GFX_YPOS        236
  43 #define ED_CTRL_BUTTONS_ALT_GFX_YPOS    142
  44
  45 #define ED_CTRL1_BUTTONS_HORIZ          4
  46 #define ED_CTRL1_BUTTONS_VERT           4
  47 #define ED_CTRL1_BUTTON_XSIZE           22
  48 #define ED_CTRL1_BUTTON_YSIZE           22
  49 #define ED_CTRL1_BUTTONS_XPOS           6
  50 #define ED_CTRL1_BUTTONS_YPOS           6
  51 #define ED_CTRL2_BUTTONS_HORIZ          3
  52 #define ED_CTRL2_BUTTONS_VERT           2
  53 #define ED_CTRL2_BUTTON_XSIZE           30
  54 #define ED_CTRL2_BUTTON_YSIZE           20
  55 #define ED_CTRL2_BUTTONS_XPOS           5
  56 #define ED_CTRL2_BUTTONS_YPOS           99
  57 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  58 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  59 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
  60
  61 /* values for the element list */
  62 #define ED_ELEMENTLIST_XPOS             5
  63 #define ED_ELEMENTLIST_YPOS             30
  64 #define ED_ELEMENTLIST_XSIZE            20
  65 #define ED_ELEMENTLIST_YSIZE            20
  66 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  67 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  68 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  69                                          ED_ELEMENTLIST_BUTTONS_VERT)
  70
  71 /* standard distances */
  72 #define ED_BORDER_SIZE                  3
  73 #define ED_BORDER2_SIZE                 5
  74 #define ED_GADGET_DISTANCE              2
  75 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
  76
  77 /* values for the setting windows */
  78 #define ED_SETTINGS_XSTART              (3 * MINI_TILEX / 2)
  79 #define ED_SETTINGS_YSTART              (MINI_TILEY * 10)
  80
  81 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE + \
  82                                          2 * ED_GADGET_DISTANCE)
  83
  84 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
  85 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
  86
  87 #define ED_SETTINGS_XPOS(n)             (ED_SETTINGS_XSTART + \
  88                                          n * ED_SETTINGS_XOFFSET)
  89 #define ED_SETTINGS_YPOS(n)             (ED_SETTINGS_YSTART + \
  90                                          n * ED_SETTINGS_YOFFSET)
  91
  92 #define ED_SETTINGS1_YPOS               MINI_TILEY
  93 #define ED_SETTINGS2_XPOS               MINI_TILEX
  94 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
  95
  96 /* values for counter gadgets */
  97 #define ED_COUNT_PUSH_DELAY_RND_XPOS    (ED_SETTINGS_XPOS(1) + 16 * MINI_TILEX)
  98 #define ED_COUNT_MOVE_DELAY_RND_XPOS    ED_COUNT_PUSH_DELAY_RND_XPOS
  99 #define ED_COUNT_CHANGE_DELAY_RND_XPOS  (ED_SETTINGS_XPOS(1) + 13 * MINI_TILEX)
 100
 101 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 102 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 103 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
 104                                          n * ED_COUNTER_YDISTANCE)
 105 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 106                                          n * ED_COUNTER_YDISTANCE - 2)
 107
 108 /* values for element content drawing areas */
 109 /* amoeba content */
 110 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 111 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 112
 113 /* custom change target */
 114 #define ED_AREA_ELEM_CONTENT2_XPOS      (20 * MINI_TILEX)
 115 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(2) + \
 116                                          ED_GADGET_DISTANCE)
 117 /* optional custom graphic */
 118 #define ED_AREA_ELEM_CONTENT3_XPOS      (24 * MINI_TILEX)
 119 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(1) + \
 120                                          ED_GADGET_DISTANCE)
 121 /* custom element content */
 122 #define ED_AREA_ELEM_CONTENT4_XPOS      (29 * MINI_TILEX)
 123 #define ED_AREA_ELEM_CONTENT4_YPOS      (ED_SETTINGS_YPOS(12) + \
 124                                          ED_GADGET_DISTANCE - MINI_TILEY)
 125 /* custom change trigger element */
 126 #define ED_AREA_ELEM_CONTENT5_XPOS      (28 * MINI_TILEX)
 127 #define ED_AREA_ELEM_CONTENT5_YPOS      (ED_SETTINGS_YPOS(7) + \
 128                                          ED_GADGET_DISTANCE)
 129 /* extended custom change target */
 130 #define ED_AREA_ELEM_CONTENT6_XPOS      (29 * MINI_TILEX)
 131 #define ED_AREA_ELEM_CONTENT6_YPOS      (ED_SETTINGS_YPOS(10) + \
 132                                          ED_GADGET_DISTANCE - MINI_TILEY)
 133
 134 /* values for random placement background drawing area */
 135 #define ED_AREA_RANDOM_BACKGROUND_XPOS  (29 * MINI_TILEX)
 136 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 137
 138 /* values for scrolling gadgets for drawing area */
 139 #define ED_SCROLLBUTTON_XPOS            24
 140 #define ED_SCROLLBUTTON_YPOS            0
 141 #define ED_SCROLLBAR_XPOS               24
 142 #define ED_SCROLLBAR_YPOS               64
 143
 144 #define ED_SCROLLBUTTON_XSIZE           16
 145 #define ED_SCROLLBUTTON_YSIZE           16
 146
 147 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 148 #define ED_SCROLL_UP_YPOS               (0)
 149 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 150 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 151 #define ED_SCROLL_LEFT_XPOS             (0)
 152 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 153 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 154 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 155 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 156 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 157 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 158 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 159 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 160 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 161 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 162 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 163
 164 /* values for scrolling gadgets for element list */
 165 #define ED_SCROLLBUTTON2_XPOS           50
 166 #define ED_SCROLLBUTTON2_YPOS           0
 167 #define ED_SCROLLBAR2_XPOS              50
 168 #define ED_SCROLLBAR2_YPOS              20
 169
 170 #define ED_SCROLLBUTTON2_XSIZE          10
 171 #define ED_SCROLLBUTTON2_YSIZE          10
 172
 173 #define ED_SCROLL2_UP_XPOS              85
 174 #define ED_SCROLL2_UP_YPOS              30
 175 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 176 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 177                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 178                                          ED_ELEMENTLIST_YSIZE - \
 179                                          ED_SCROLLBUTTON2_YSIZE)
 180 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 181 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 182                                          ED_SCROLLBUTTON2_YSIZE)
 183 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 184 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 185                                          ED_ELEMENTLIST_YSIZE - \
 186                                          2 * ED_SCROLLBUTTON2_YSIZE)
 187
 188 /* values for checkbutton gadgets */
 189 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 190 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 191 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 192 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 193 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 194 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 195 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 196
 197 /* some positions in the editor control window */
 198 #define ED_BUTTON_ELEM_XPOS             6
 199 #define ED_BUTTON_ELEM_YPOS             30
 200 #define ED_BUTTON_ELEM_XSIZE            22
 201 #define ED_BUTTON_ELEM_YSIZE            22
 202
 203 /* some values for text input, selectbox and counter gadgets */
 204 #define ED_BUTTON_COUNT_YPOS            60
 205 #define ED_BUTTON_COUNT_XSIZE           20
 206 #define ED_BUTTON_COUNT_YSIZE           20
 207 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 208 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 209 #define ED_WIN_COUNT_XSIZE              52
 210 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 211 #define ED_WIN_COUNT2_XPOS              27
 212 #define ED_WIN_COUNT2_YPOS              3
 213 #define ED_WIN_COUNT2_XSIZE             46
 214 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 215
 216 #define ED_BUTTON_MINUS_XPOS            2
 217 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 218 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 219 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 220 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 221                                          ED_WIN_COUNT_XSIZE + 2)
 222 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 223 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 224 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 225
 226 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 227 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 228                                          2 + ED_WIN_COUNT_YSIZE)
 229 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 230 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 231
 232 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 233 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 234                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 235 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 236
 237 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 238 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS + \
 239                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 240 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS + \
 241                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 242
 243 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 244 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 245
 246 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 247 #define INFOTEXT_XPOS                   SX
 248 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 249 #define INFOTEXT_XSIZE                  SXSIZE
 250 #define INFOTEXT_YSIZE                  MINI_TILEX
 251
 252
 253 /*
 254   -----------------------------------------------------------------------------
 255   editor gadget definitions
 256   -----------------------------------------------------------------------------
 257 */
 258
 259 /* drawing toolbox buttons */
 260 #define GADGET_ID_NONE                  -1
 261 #define GADGET_ID_TOOLBOX_FIRST         0
 262
 263 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 264 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 265 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 266 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 267 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 268 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 269 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 270 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 271 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 272 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 273 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 274 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 275 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 276 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 277 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 278 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 279 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 280 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 281 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 282 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 283 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 284 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 285
 286 /* counter button identifiers */
 287 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 288
 289 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 290 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 291 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 292 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 293 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 294 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 295 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 296 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 297 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 298 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 299 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 300 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 301 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 302 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 303 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 304 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 305 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 306 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 307 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 308 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 309 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 310 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 311 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 312 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 313 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 314 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 315 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 316 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 27)
 317 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 28)
 318 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 29)
 319 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 30)
 320 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 31)
 321 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 32)
 322 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 323 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 324 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 35)
 325 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 326 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 327 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 38)
 328 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 329 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 330 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 41)
 331 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 42)
 332 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 43)
 333 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 44)
 334 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 45)
 335 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 46)
 336 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 47)
 337 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 48)
 338 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 49)
 339 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 50)
 340 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 51)
 341 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 52)
 342 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 53)
 343
 344 /* drawing area identifiers */
 345 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 54)
 346
 347 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 348 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 349 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 350 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 351 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 352 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 353 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 354 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 355 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 356 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 357 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 358 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 359 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 360 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 13)
 361 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 14)
 362 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 15)
 363
 364 /* text input identifiers */
 365 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 16)
 366
 367 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 368 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 369 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 370
 371 /* selectbox identifiers */
 372 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 373
 374 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 0)
 375 #define GADGET_ID_CUSTOM_CONSISTENCY    (GADGET_ID_SELECTBOX_FIRST + 1)
 376 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 2)
 377 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 3)
 378 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 4)
 379 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 5)
 380 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 6)
 381 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 7)
 382 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 8)
 383 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 9)
 384 #define GADGET_ID_CHANGE_PLAYER_ACTION  (GADGET_ID_SELECTBOX_FIRST + 10)
 385 #define GADGET_ID_CHANGE_COLLIDE_ACTION (GADGET_ID_SELECTBOX_FIRST + 11)
 386 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 12)
 387 #define GADGET_ID_CHANGE_POWER          (GADGET_ID_SELECTBOX_FIRST + 13)
 388
 389 /* textbutton identifiers */
 390 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 14)
 391
 392 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 393 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 394 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 395 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 3)
 396
 397 /* gadgets for scrolling of drawing area */
 398 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_TEXTBUTTON_FIRST + 4)
 399
 400 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 401 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 402 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 403 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 404 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 405 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 406
 407 /* gadgets for scrolling element list */
 408 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 409
 410 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 411 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 412 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 413
 414 /* checkbuttons for level/element properties */
 415 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 416
 417 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 418 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 419 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 420 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 421 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 422 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 423 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 424 #define GADGET_ID_CUSTOM_EXPLODE_RESULT (GADGET_ID_CHECKBUTTON_FIRST + 7)
 425 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 426 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 9)
 427 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 10)
 428 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 11)
 429 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 12)
 430 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 431 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 432 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 433 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 16)
 434 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 17)
 435 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 436 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 437 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 438 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 21)
 439 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 22)
 440 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 441 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 24)
 442 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 25)
 443 #define GADGET_ID_CHANGE_BY_PLAYER      (GADGET_ID_CHECKBUTTON_FIRST + 26)
 444 #define GADGET_ID_CHANGE_BY_COLLISION   (GADGET_ID_CHECKBUTTON_FIRST + 27)
 445 #define GADGET_ID_CHANGE_BY_OTHER       (GADGET_ID_CHECKBUTTON_FIRST + 28)
 446
 447 /* gadgets for buttons in element list */
 448 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 29)
 449 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 450                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 451
 452 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 453
 454 /* radio button numbers */
 455 #define RADIO_NR_NONE                   0
 456 #define RADIO_NR_DRAWING_TOOLBOX        1
 457 #define RADIO_NR_RANDOM_ELEMENTS        2
 458
 459 /* values for counter gadgets */
 460 #define ED_COUNTER_ID_SELECT_LEVEL      0
 461 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 462 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 463 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 464 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 465 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 466 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 467 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 468 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 469 #define ED_COUNTER_ID_CUSTOM_SCORE      9
 470 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   10
 471 #define ED_COUNTER_ID_PUSH_DELAY_FIX    11
 472 #define ED_COUNTER_ID_PUSH_DELAY_RND    12
 473 #define ED_COUNTER_ID_MOVE_DELAY_FIX    13
 474 #define ED_COUNTER_ID_MOVE_DELAY_RND    14
 475 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  15
 476 #define ED_COUNTER_ID_CHANGE_DELAY_RND  16
 477 #define ED_COUNTER_ID_CHANGE_CONT_RND   17
 478
 479 #define ED_NUM_COUNTERBUTTONS           18
 480
 481 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 482 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 483
 484 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM_SCORE
 485 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_MOVE_DELAY_RND
 486
 487 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 488 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 489
 490 /* values for scrollbutton gadgets */
 491 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 492 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 493 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 494 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 495 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 496 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 497
 498 #define ED_NUM_SCROLLBUTTONS            6
 499
 500 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 501 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 502
 503 /* values for scrollbar gadgets */
 504 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 505 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 506 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 507
 508 #define ED_NUM_SCROLLBARS               3
 509
 510 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 511 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 512
 513 /* values for text input gadgets */
 514 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 515 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 516 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 517
 518 #define ED_NUM_TEXTINPUT                3
 519
 520 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 521 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 522
 523 /* values for selectbox gadgets */
 524 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   0
 525 #define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY      1
 526 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       2
 527 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     3
 528 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   4
 529 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    5
 530 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    6
 531 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      7
 532 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     8
 533 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       9
 534 #define ED_SELECTBOX_ID_CHANGE_PLAYER_ACTION    10
 535 #define ED_SELECTBOX_ID_CHANGE_COLLIDE_ACTION   11
 536 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     12
 537 #define ED_SELECTBOX_ID_CHANGE_POWER            13
 538
 539 #define ED_NUM_SELECTBOX                        14
 540
 541 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 542 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER
 543
 544 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 545 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_CHANGE_POWER
 546
 547 /* values for textbutton gadgets */
 548 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 549 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 550 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 551 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       3
 552
 553 #define ED_NUM_TEXTBUTTON                       4
 554
 555 /* values for checkbutton gadgets */
 556 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 557 #define ED_CHECKBUTTON_ID_GRAVITY               1
 558 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 559 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 560 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 561 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT 5
 562 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   6
 563 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  7
 564 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 8
 565 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 9
 566 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         10
 567 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       11
 568 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       12
 569 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      13
 570 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       14
 571 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     15
 572 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    16
 573 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   17
 574 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     18
 575 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    19
 576 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  20
 577 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  21
 578 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     22
 579 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          23
 580 #define ED_CHECKBUTTON_ID_CHANGE_BY_PLAYER      24
 581 #define ED_CHECKBUTTON_ID_CHANGE_BY_COLLISION   25
 582 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER       26
 583
 584 #define ED_NUM_CHECKBUTTONS                     27
 585
 586 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 587 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 588
 589 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT
 590 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE
 591
 592 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 593 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER
 594
 595 /* values for radiobutton gadgets */
 596 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 597 #define ED_RADIOBUTTON_ID_QUANTITY      1
 598
 599 #define ED_NUM_RADIOBUTTONS             2
 600
 601 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 602 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 603
 604
 605 /*
 606   -----------------------------------------------------------------------------
 607   some internally used definitions
 608   -----------------------------------------------------------------------------
 609 */
 610
 611 /* values for CopyLevelToUndoBuffer() */
 612 #define UNDO_IMMEDIATE                  0
 613 #define UNDO_ACCUMULATE                 1
 614
 615 /* values for scrollbars */
 616 #define ED_SCROLL_NO                    0
 617 #define ED_SCROLL_LEFT                  1
 618 #define ED_SCROLL_RIGHT                 2
 619 #define ED_SCROLL_UP                    4
 620 #define ED_SCROLL_DOWN                  8
 621
 622 /* screens in the level editor */
 623 #define ED_MODE_DRAWING                 0
 624 #define ED_MODE_INFO                    1
 625 #define ED_MODE_PROPERTIES              2
 626
 627 /* sub-screens in the element properties section */
 628 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 629 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 630 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 631
 632 /* how many steps can be cancelled */
 633 #define NUM_UNDO_STEPS                  (10 + 1)
 634
 635 /* values for elements with score */
 636 #define MIN_SCORE                       0
 637 #define MAX_SCORE                       255
 638
 639 /* values for elements with gem count */
 640 #define MIN_GEM_COUNT                   0
 641 #define MAX_GEM_COUNT                   100
 642
 643 /* values for random placement */
 644 #define RANDOM_USE_PERCENTAGE           0
 645 #define RANDOM_USE_QUANTITY             1
 646
 647 /* maximal size of level editor drawing area */
 648 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 649 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 650
 651
 652 /*
 653   -----------------------------------------------------------------------------
 654   some internally used data structure definitions
 655   -----------------------------------------------------------------------------
 656 */
 657
 658 static struct
 659 {
 660   char shortcut;
 661   char *text;
 662 } control_info[ED_NUM_CTRL_BUTTONS] =
 663 {
 664   { 's',        "draw single items"             },
 665   { 'd',        "draw connected items"          },
 666   { 'l',        "draw lines"                    },
 667   { 'a',        "draw arcs"                     },
 668   { 'r',        "draw outline rectangles"       },
 669   { 'R',        "draw filled rectangles"        },
 670   { '\0',       "wrap (rotate) level up"        },
 671   { 't',        "enter text elements"           },
 672   { 'f',        "flood fill"                    },
 673   { '\0',       "wrap (rotate) level left"      },
 674   { '?',        "properties of drawing element" },
 675   { '\0',       "wrap (rotate) level right"     },
 676   { '\0',       "random element placement"      },
 677   { 'b',        "grab brush"                    },
 678   { '\0',       "wrap (rotate) level down"      },
 679   { ',',        "pick drawing element"          },
 680   { 'U',        "undo last operation"           },
 681   { 'I',        "level properties"              },
 682   { 'S',        "save level"                    },
 683   { 'C',        "clear level"                   },
 684   { 'T',        "test level"                    },
 685   { 'E',        "exit level editor"             }
 686 };
 687
 688 static int random_placement_value = 10;
 689 static int random_placement_method = RANDOM_USE_QUANTITY;
 690 static int random_placement_background_element = EL_SAND;
 691 static boolean random_placement_background_restricted = FALSE;
 692 static boolean stick_element_properties_window = FALSE;
 693 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 694 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 695 static struct ElementInfo custom_element;
 696
 697 static struct
 698 {
 699   int x, y;
 700   int min_value, max_value;
 701   int gadget_id_down, gadget_id_up;
 702   int gadget_id_text;
 703   int *value;
 704   char *text_above, *text_left, *text_right;
 705 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 706 {
 707   /* ---------- level and editor settings ---------------------------------- */
 708
 709   {
 710     DX + 5 - SX,                        DY + 3 - SY,
 711     1,                                  100,
 712     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 713     GADGET_ID_SELECT_LEVEL_TEXT,
 714     &level_nr,
 715     NULL,                               NULL, NULL
 716   },
 717   {
 718     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 719     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 720     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 721     GADGET_ID_LEVEL_XSIZE_TEXT,
 722     &level.fieldx,
 723     "playfield size",                   NULL, "width",
 724   },
 725   {
 726     ED_SETTINGS_XPOS(0) + 2 * DXSIZE,   ED_COUNTER_YPOS(2),
 727     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 728     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 729     GADGET_ID_LEVEL_YSIZE_TEXT,
 730     &level.fieldy,
 731     NULL,                               NULL, "height",
 732   },
 733   {
 734     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 735     0,                                  999,
 736     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
 737     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 738     &level.gems_needed,
 739     "number of emeralds to collect",    NULL, NULL
 740   },
 741   {
 742     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 743     0,                                  999,
 744     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 745     GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 746     &level.time,
 747     "time available to solve level",    NULL, "(0 => no time limit)"
 748   },
 749   {
 750     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 751     0,                                  255,
 752     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 753     GADGET_ID_LEVEL_TIMESCORE_TEXT,
 754     &level.score[SC_TIME_BONUS],
 755     "score for each 10 seconds left",   NULL, NULL
 756   },
 757   {
 758     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 759     1,                                  100,
 760     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 761     GADGET_ID_LEVEL_RANDOM_TEXT,
 762     &random_placement_value,
 763     "random element placement",         NULL, "in"
 764   },
 765
 766   /* ---------- element settings: configure (various elements) ------------- */
 767
 768   {
 769     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 770     MIN_SCORE,                          MAX_SCORE,
 771     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 772     GADGET_ID_ELEMENT_SCORE_TEXT,
 773     NULL,                               /* will be set when used */
 774     NULL,                               NULL, NULL
 775   },
 776   {
 777     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 778     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 779     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 780     GADGET_ID_ELEMENT_CONTENT_TEXT,
 781     &level.num_yamyam_contents,
 782     NULL,                               NULL, "number of content areas"
 783   },
 784
 785   /* ---------- element settings: configure (custom elements) ------------- */
 786
 787   {
 788     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
 789     MIN_SCORE,                          MAX_SCORE,
 790     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
 791     GADGET_ID_CUSTOM_SCORE_TEXT,
 792     &custom_element.score,
 793     NULL,                               "collect score", NULL
 794   },
 795   {
 796     ED_SETTINGS_XPOS(13) + 10,          ED_SETTINGS_YPOS(3),
 797     MIN_GEM_COUNT,                      MAX_GEM_COUNT,
 798     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
 799     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 800     &custom_element.gem_count,
 801     NULL,                               "gems", NULL
 802   },
 803   {
 804     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 805     0,                                  999,
 806     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
 807     GADGET_ID_PUSH_DELAY_FIX_TEXT,
 808     &custom_element.push_delay_fixed,
 809     NULL,                               "push delay", NULL
 810   },
 811   {
 812     ED_COUNT_PUSH_DELAY_RND_XPOS,       ED_SETTINGS_YPOS(4),
 813     0,                                  999,
 814     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
 815     GADGET_ID_PUSH_DELAY_RND_TEXT,
 816     &custom_element.push_delay_random,
 817     NULL,                               "+random", NULL
 818   },
 819   {
 820     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
 821     0,                                  999,
 822     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
 823     GADGET_ID_MOVE_DELAY_FIX_TEXT,
 824     &custom_element.move_delay_fixed,
 825     NULL,                               "move delay", NULL
 826   },
 827   {
 828     ED_COUNT_MOVE_DELAY_RND_XPOS,       ED_SETTINGS_YPOS(7),
 829     0,                                  999,
 830     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
 831     GADGET_ID_MOVE_DELAY_RND_TEXT,
 832     &custom_element.move_delay_random,
 833     NULL,                               "+random", NULL
 834   },
 835
 836   /* ---------- element settings: advanced (custom elements) --------------- */
 837
 838   {
 839     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(3),
 840     0,                                  999,
 841     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 842     GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 843     &custom_element.change.delay_fixed,
 844     NULL,                               "delay", NULL,
 845   },
 846   {
 847     ED_COUNT_CHANGE_DELAY_RND_XPOS,     ED_SETTINGS_YPOS(3),
 848     0,                                  999,
 849     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 850     GADGET_ID_CHANGE_DELAY_RND_TEXT,
 851     &custom_element.change.delay_random,
 852     NULL,                               "+random", NULL
 853   },
 854   {
 855     ED_SETTINGS_XPOS(3),                ED_SETTINGS_YPOS(12),
 856     0,                                  100,
 857     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
 858     GADGET_ID_CHANGE_CONT_RND_TEXT,
 859     &custom_element.change.random,
 860     NULL,                               "use random change:", NULL
 861   },
 862 };
 863
 864 static struct
 865 {
 866   int x, y;
 867   int gadget_id;
 868   int size;
 869   char *value;
 870   char *infotext;
 871 } textinput_info[ED_NUM_TEXTINPUT] =
 872 {
 873   {
 874     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
 875     GADGET_ID_LEVEL_NAME,
 876     MAX_LEVEL_NAME_LEN,
 877     level.name,
 878     "Title"
 879   },
 880   {
 881     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 882     GADGET_ID_LEVEL_AUTHOR,
 883     MAX_LEVEL_AUTHOR_LEN,
 884     level.author,
 885     "Author"
 886   },
 887   {
 888     5 * MINI_TILEX,                     5 * MINI_TILEY - ED_BORDER_SIZE,
 889     GADGET_ID_ELEMENT_NAME,
 890     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
 891     custom_element.description,
 892     NULL
 893   }
 894 };
 895
 896 static struct ValueTextInfo options_access_type[] =
 897 {
 898   { EP_WALKABLE,                "walk"                          },
 899   { EP_PASSABLE,                "pass"                          },
 900   { -1,                         NULL                            }
 901 };
 902
 903 static struct ValueTextInfo options_access_layer[] =
 904 {
 905   { EP_ACCESSIBLE_OVER,         "over"                          },
 906   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
 907   { EP_ACCESSIBLE_UNDER,        "under"                         },
 908   { -1,                         NULL                            }
 909 };
 910
 911 static struct ValueTextInfo options_walk_to_action[] =
 912 {
 913   { EP_DIGGABLE,                "diggable"                      },
 914   { EP_COLLECTIBLE,             "collectible"                   },
 915   { EP_PUSHABLE,                "pushable"                      },
 916   { -1,                         NULL                            }
 917 };
 918
 919 static struct ValueTextInfo options_move_pattern[] =
 920 {
 921   { MV_LEFT,                    "left"                          },
 922   { MV_RIGHT,                   "right"                         },
 923   { MV_UP,                      "up"                            },
 924   { MV_DOWN,                    "down"                          },
 925   { MV_HORIZONTAL,              "horizontal"                    },
 926   { MV_VERTICAL,                "vertical"                      },
 927   { MV_ALL_DIRECTIONS,          "all directions"                },
 928   { MV_TOWARDS_PLAYER,          "towards player"                },
 929   { MV_AWAY_FROM_PLAYER,        "away from player"              },
 930   { MV_ALONG_LEFT_SIDE,         "along left side"               },
 931   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
 932   { MV_TURNING_LEFT,            "turning left"                  },
 933   { MV_TURNING_RIGHT,           "turning right"                 },
 934   { -1,                         NULL                            }
 935 };
 936
 937 static struct ValueTextInfo options_move_direction[] =
 938 {
 939   { MV_NO_MOVING,               "automatic"                     },
 940   { MV_LEFT,                    "left"                          },
 941   { MV_RIGHT,                   "right"                         },
 942   { MV_UP,                      "up"                            },
 943   { MV_DOWN,                    "down"                          },
 944   { -1,                         NULL                            }
 945 };
 946
 947 static struct ValueTextInfo options_move_stepsize[] =
 948 {
 949   { 1,                          "very slow"                     },
 950   { 2,                          "slow"                          },
 951   { 4,                          "normal"                        },
 952   { 8,                          "fast"                          },
 953   { 16,                         "very fast"                     },
 954   { -1,                         NULL                            }
 955 };
 956
 957 static struct ValueTextInfo options_smash_targets[] =
 958 {
 959   { EP_CAN_SMASH_PLAYER,        "player"                        },
 960   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
 961   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
 962   { -1,                         NULL                            }
 963 };
 964
 965 static struct ValueTextInfo options_deadliness[] =
 966 {
 967   { EP_DONT_RUN_INTO,           "running into"                  },
 968   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
 969   { EP_DONT_TOUCH,              "touching"                      },
 970   { -1,                         NULL                            }
 971 };
 972
 973 static struct ValueTextInfo options_consistency[] =
 974 {
 975   { EP_CAN_EXPLODE,             "can explode"                   },
 976   { EP_INDESTRUCTIBLE,          "indestructible"                },
 977   { -1,                         NULL                            }
 978 };
 979
 980 static struct ValueTextInfo options_time_units[] =
 981 {
 982   { 50,                         "seconds"                       },
 983   { 1,                          "frames"                        },
 984   { -1,                         NULL                            }
 985 };
 986
 987 static struct ValueTextInfo options_change_player_action[] =
 988 {
 989   { CE_TOUCHED_BY_PLAYER,       "touched"                       },
 990   { CE_PRESSED_BY_PLAYER,       "pressed"                       },
 991   { CE_PUSHED_BY_PLAYER,        "pushed"                        },
 992   { -1,                         NULL                            }
 993 };
 994
 995 static struct ValueTextInfo options_change_collide_action[] =
 996 {
 997   { CE_COLLISION,               "on collision"                  },
 998   { CE_IMPACT,                  "on impact"                     },
 999   { CE_SMASHED,                 "when smashed"                  },
1000   { -1,                         NULL                            }
1001 };
1002
1003 static struct ValueTextInfo options_change_other_action[] =
1004 {
1005   { CE_OTHER_IS_TOUCHING,               "touching"                      },
1006   { CE_OTHER_IS_CHANGING,               "change of"                     },
1007   { CE_OTHER_IS_EXPLODING,              "explosion of"                  },
1008   { CE_OTHER_GETS_TOUCHED,              "player touches"                },
1009   { CE_OTHER_GETS_PRESSED,              "player presses"                },
1010   { CE_OTHER_GETS_PUSHED,               "player pushes"                 },
1011   { CE_OTHER_GETS_COLLECTED,            "player collects"               },
1012   { -1,                         NULL                                    }
1013 };
1014
1015 static struct ValueTextInfo options_change_power[] =
1016 {
1017   { CP_NON_DESTRUCTIVE,         "non-destructive"               },
1018   { CP_HALF_DESTRUCTIVE,        "half-destructive"              },
1019   { CP_FULL_DESTRUCTIVE,        "full-destructive"              },
1020   { -1,                         NULL                            }
1021 };
1022
1023 static struct
1024 {
1025   int x, y;
1026   int gadget_id;
1027   int size;     /* char size of selectbox or '-1' (dynamically determined) */
1028   struct ValueTextInfo *options;
1029   int *value;
1030   char *text_left, *text_right, *infotext;
1031 } selectbox_info[ED_NUM_SELECTBOX] =
1032 {
1033   /* ---------- element settings: configure (custom elements) ------------- */
1034
1035   {
1036     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(1),
1037     GADGET_ID_CUSTOM_ACCESS_TYPE,
1038     -1,
1039     options_access_type,
1040     &custom_element.access_type,
1041     "player can", NULL, "type of access to this field"
1042   },
1043   {
1044     ED_SETTINGS_XPOS(11),               ED_SETTINGS_YPOS(1),
1045     GADGET_ID_CUSTOM_ACCESS_LAYER,
1046     -1,
1047     options_access_layer,
1048     &custom_element.access_layer,
1049     NULL, NULL, "layer of access for this field"
1050   },
1051   {
1052     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1053     GADGET_ID_CUSTOM_WALK_TO_ACTION,
1054     -1,
1055     options_walk_to_action,
1056     &custom_element.walk_to_action,
1057     NULL, NULL, "diggable/collectible/pushable"
1058   },
1059   {
1060     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1061     GADGET_ID_CUSTOM_MOVE_PATTERN,
1062     -1,
1063     options_move_pattern,
1064     &custom_element.move_pattern,
1065     "can move", NULL, "element move direction"
1066   },
1067   {
1068     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1069     GADGET_ID_CUSTOM_MOVE_DIRECTION,
1070     -1,
1071     options_move_direction,
1072     &custom_element.move_direction_initial,
1073     "starts moving", NULL, "initial element move direction"
1074   },
1075   {
1076     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1077     GADGET_ID_CUSTOM_MOVE_STEPSIZE,
1078     -1,
1079     options_move_stepsize,
1080     &custom_element.move_stepsize,
1081     "move/fall speed", NULL, "speed of element movement"
1082   },
1083   {
1084     ED_SETTINGS_XPOS(7),                ED_SETTINGS_YPOS(9),
1085     GADGET_ID_CUSTOM_SMASH_TARGETS,
1086     -1,
1087     options_smash_targets,
1088     &custom_element.smash_targets,
1089     "can smash", NULL, "elements that can be smashed"
1090   },
1091   {
1092     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(11),
1093     GADGET_ID_CUSTOM_DEADLINESS,
1094     -1,
1095     options_deadliness,
1096     &custom_element.deadliness,
1097     "deadly when", NULL, "deadliness of element"
1098   },
1099   {
1100     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(12),
1101     GADGET_ID_CUSTOM_CONSISTENCY,
1102     -1,
1103     options_consistency,
1104     &custom_element.consistency,
1105     NULL, "explodes to:", "consistency/destructibility"
1106   },
1107
1108   /* ---------- element settings: advanced (custom elements) --------------- */
1109
1110   {
1111     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
1112     GADGET_ID_CHANGE_TIME_UNITS,
1113     -1,
1114     options_time_units,
1115     &custom_element.change.delay_frames,
1116     "delay time given in", NULL, "delay time units for change"
1117   },
1118   {
1119     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(5),
1120     GADGET_ID_CHANGE_PLAYER_ACTION,
1121     -1,
1122     options_change_player_action,
1123     &custom_element.change_player_action,
1124     NULL, "by player", "type of player contact"
1125   },
1126   {
1127     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(6),
1128     GADGET_ID_CHANGE_COLLIDE_ACTION,
1129     -1,
1130     options_change_collide_action,
1131     &custom_element.change_collide_action,
1132     NULL, NULL, "change after impact or smash"
1133   },
1134   {
1135     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(7),
1136     GADGET_ID_CHANGE_OTHER_ACTION,
1137     -1,
1138     options_change_other_action,
1139     &custom_element.change_other_action,
1140     NULL, "element:", "type of other element action"
1141   },
1142   {
1143     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(10),
1144     GADGET_ID_CHANGE_POWER,
1145     -1,
1146     options_change_power,
1147     &custom_element.change.power,
1148     "power:", NULL, "power of extended change"
1149   },
1150 };
1151
1152 static struct
1153 {
1154   int x, y;
1155   int gadget_id;
1156   int size;
1157   char *text, *infotext;
1158 } textbutton_info[ED_NUM_TEXTBUTTON] =
1159 {
1160   {
1161     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1162     GADGET_ID_PROPERTIES_INFO,
1163     11, "Information",                  "Show information about element"
1164   },
1165   {
1166     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
1167     GADGET_ID_PROPERTIES_CONFIG,
1168     11, "Configure",                    "Configure element properties"
1169   },
1170   {
1171     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
1172     GADGET_ID_PROPERTIES_ADVANCED,
1173     11, "Advanced",                     "Advanced element configuration"
1174   },
1175   {
1176     ED_SETTINGS_XPOS(0) + 262,          ED_SETTINGS_YPOS(13),
1177     GADGET_ID_SAVE_AS_TEMPLATE,
1178     -1, "Save as template",             "Save current settings as new template"
1179   },
1180 };
1181
1182 static struct
1183 {
1184   int gd_x, gd_y;
1185   int x, y;
1186   int gadget_id;
1187   char *infotext;
1188 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
1189 {
1190   {
1191     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
1192     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
1193     GADGET_ID_SCROLL_UP,
1194     "scroll level editing area up"
1195   },
1196   {
1197     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
1198     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
1199     GADGET_ID_SCROLL_DOWN,
1200     "scroll level editing area down"
1201   },
1202   {
1203     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
1204     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
1205     GADGET_ID_SCROLL_LEFT,
1206     "scroll level editing area left"
1207   },
1208   {
1209     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1210     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1211     GADGET_ID_SCROLL_RIGHT,
1212     "scroll level editing area right"
1213   },
1214   {
1215     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1216     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1217     GADGET_ID_SCROLL_LIST_UP,
1218     "scroll element list up ('Page Up')"
1219   },
1220   {
1221     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1222     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
1223     GADGET_ID_SCROLL_LIST_DOWN,
1224     "scroll element list down ('Page Down')"
1225   }
1226 };
1227
1228 static struct
1229 {
1230   int gd_x, gd_y;
1231   int x, y;
1232   int width, height;
1233   int type;
1234   int gadget_id;
1235   char *infotext;
1236 } scrollbar_info[ED_NUM_SCROLLBARS] =
1237 {
1238   {
1239     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1240     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1241     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1242     GD_TYPE_SCROLLBAR_HORIZONTAL,
1243     GADGET_ID_SCROLL_HORIZONTAL,
1244     "scroll level editing area horizontally"
1245   },
1246   {
1247     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1248     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1249     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1250     GD_TYPE_SCROLLBAR_VERTICAL,
1251     GADGET_ID_SCROLL_VERTICAL,
1252     "scroll level editing area vertically"
1253   },
1254   {
1255     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1256     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1257     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1258     GD_TYPE_SCROLLBAR_VERTICAL,
1259     GADGET_ID_SCROLL_LIST_VERTICAL,
1260     "scroll element list vertically"
1261   }
1262 };
1263
1264 static struct
1265 {
1266   int x, y;
1267   int gadget_id;
1268   int radio_button_nr;
1269   int *value;
1270   int checked_value;
1271   char *text_right, *infotext;
1272 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1273 {
1274   {
1275     ED_SETTINGS_XPOS(0) + 160,          ED_COUNTER2_YPOS(8),
1276     GADGET_ID_RANDOM_PERCENTAGE,
1277     RADIO_NR_RANDOM_ELEMENTS,
1278     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1279     "percentage",                       "use percentage for random elements"
1280   },
1281   {
1282     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER2_YPOS(8),
1283     GADGET_ID_RANDOM_QUANTITY,
1284     RADIO_NR_RANDOM_ELEMENTS,
1285     &random_placement_method,           RANDOM_USE_QUANTITY,
1286     "quantity",                         "use quantity for random elements"
1287   }
1288 };
1289
1290 static struct
1291 {
1292   int x, y;
1293   int gadget_id;
1294   boolean *value;
1295   char *text_right, *infotext;
1296 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1297 {
1298   /* ---------- level and editor settings ---------------------------------- */
1299
1300   {
1301     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1302     GADGET_ID_DOUBLE_SPEED,
1303     &level.double_speed,
1304     "double speed movement",            "set movement speed of player"
1305   },
1306   {
1307     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER_YPOS(6) - MINI_TILEY,
1308     GADGET_ID_GRAVITY,
1309     &level.gravity,
1310     "gravity",                          "set level gravity"
1311   },
1312   {
1313     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1314     GADGET_ID_RANDOM_RESTRICTED,
1315     &random_placement_background_restricted,
1316     "restrict random placement to",     "set random placement restriction"
1317   },
1318
1319   /* ---------- element settings: configure (various elements) ------------- */
1320
1321   {
1322     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
1323     GADGET_ID_STICK_ELEMENT,
1324     &stick_element_properties_window,
1325     "stick this screen to edit content","stick this screen to edit content"
1326   },
1327   {
1328     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1329     GADGET_ID_EM_SLIPPERY_GEMS,
1330     &level.em_slippery_gems,
1331     "slip down from certain flat walls","use EM style slipping behaviour"
1332   },
1333
1334   /* ---------- element settings: configure (custom elements) ------------- */
1335
1336   {
1337     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1338     GADGET_ID_CUSTOM_ACCESSIBLE,
1339     &custom_element_properties[EP_ACCESSIBLE],
1340     NULL,                               "player can walk to or pass this field"
1341   },
1342   {
1343     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1344     GADGET_ID_CUSTOM_WALK_TO_OBJECT,
1345     &custom_element_properties[EP_WALK_TO_OBJECT],
1346     NULL,                               "player can dig/collect/push element"
1347   },
1348   {
1349     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1350     GADGET_ID_CUSTOM_CAN_MOVE,
1351     &custom_element_properties[EP_CAN_MOVE],
1352     NULL,                               "element can move in some direction"
1353   },
1354   {
1355     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(9),
1356     GADGET_ID_CUSTOM_CAN_FALL,
1357     &custom_element_properties[EP_CAN_FALL],
1358     "can fall",                         "element can fall down"
1359   },
1360   {
1361     ED_SETTINGS_XPOS(6),                ED_SETTINGS_YPOS(9),
1362     GADGET_ID_CUSTOM_CAN_SMASH,
1363     &custom_element_properties[EP_CAN_SMASH],
1364     NULL,                               "element can smash other elements"
1365   },
1366   {
1367     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1368     GADGET_ID_CUSTOM_SLIPPERY,
1369     &custom_element_properties[EP_SLIPPERY],
1370     "slippery",                         "other elements can fall down from it"
1371   },
1372   {
1373     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(11),
1374     GADGET_ID_CUSTOM_DEADLY,
1375     &custom_element_properties[EP_DEADLY],
1376     NULL,                               "element can kill the player"
1377   },
1378   {
1379     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1380     GADGET_ID_CUSTOM_EXPLODE_RESULT,
1381     &custom_element_properties[EP_EXPLODE_RESULT],
1382     NULL,                               "set consistency/destructibility"
1383   },
1384   {
1385     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(13),
1386     GADGET_ID_CUSTOM_EXPLODE_FIRE,
1387     &custom_element.can_explode_by_fire,
1388     "by fire",                          "element can explode by fire/explosion"
1389   },
1390   {
1391     ED_SETTINGS_XPOS(7),                ED_SETTINGS_YPOS(13),
1392     GADGET_ID_CUSTOM_EXPLODE_SMASH,
1393     &custom_element.can_explode_smashed,
1394     "smashed",                          "element can explode when smashed"
1395   },
1396   {
1397     ED_SETTINGS_XPOS(13),               ED_SETTINGS_YPOS(13),
1398     GADGET_ID_CUSTOM_EXPLODE_IMPACT,
1399     &custom_element.can_explode_impact,
1400     "impact",                           "element can explode on impact"
1401   },
1402
1403   /* ---------- element settings: advanced (custom elements) --------------- */
1404
1405   {
1406     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1407     GADGET_ID_CUSTOM_USE_GRAPHIC,
1408     &custom_element.use_gfx_element,
1409     "use graphic of element:",          "use graphic for custom element"
1410   },
1411   {
1412     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1413     GADGET_ID_CUSTOM_CAN_CHANGE,
1414     &custom_element_properties[EP_CAN_CHANGE],
1415     "element changes to    after/when:","element can change to other element"
1416   },
1417   {
1418     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1419     GADGET_ID_CHANGE_DELAY,
1420     &custom_element_change_events[CE_DELAY],
1421     NULL,                               "element changes after delay"
1422   },
1423   {
1424     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1425     GADGET_ID_CHANGE_BY_PLAYER,
1426     &custom_element_change_events[CE_BY_PLAYER],
1427     NULL,                               "element changes by player contact"
1428   },
1429   {
1430     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1431     GADGET_ID_CHANGE_BY_COLLISION,
1432     &custom_element_change_events[CE_BY_COLLISION],
1433     NULL,                               "element changes by impact or smash"
1434   },
1435   {
1436     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
1437     GADGET_ID_CHANGE_BY_OTHER,
1438     &custom_element_change_events[CE_BY_OTHER],
1439     NULL,                               "element changes by other element"
1440   },
1441   {
1442     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1443     GADGET_ID_CHANGE_USE_EXPLOSION,
1444     &custom_element.change.explode,
1445     "explode instead of change",        "element explodes instead of change"
1446   },
1447   {
1448     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
1449     GADGET_ID_CHANGE_USE_CONTENT,
1450     &custom_element.change.use_content,
1451     "use extended change target:",      "element changes to more elements"
1452   },
1453   {
1454     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(11),
1455     GADGET_ID_CHANGE_ONLY_COMPLETE,
1456     &custom_element.change.only_complete,
1457     "only use complete change",         "only use complete extended content"
1458   },
1459   {
1460     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(12),
1461     GADGET_ID_CHANGE_USE_RANDOM,
1462     &custom_element.change.use_random_change,
1463     NULL,                               "use random value for new content"
1464   },
1465   {
1466     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(13),
1467     GADGET_ID_CUSTOM_USE_TEMPLATE,
1468     &level.use_custom_template,
1469     "use template",                     "use template for custom properties"
1470   },
1471 };
1472
1473
1474 /*
1475   -----------------------------------------------------------------------------
1476   some internally used variables
1477   -----------------------------------------------------------------------------
1478 */
1479
1480 /* actual size of level editor drawing area */
1481 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1482
1483 /* actual position of level editor drawing area in level playfield */
1484 static int level_xpos = -1, level_ypos = -1;
1485
1486 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1487
1488 /* drawing elements on the three mouse buttons */
1489 static int new_element1 = EL_WALL;
1490 static int new_element2 = EL_EMPTY;
1491 static int new_element3 = EL_SAND;
1492
1493 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1494                                 (button) == 2 ? new_element2 : \
1495                                 (button) == 3 ? new_element3 : EL_EMPTY)
1496 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1497
1498 /* forward declaration for internal use */
1499 static void ModifyEditorCounter(int, int);
1500 static void ModifyEditorCounterLimits(int, int, int);
1501 static void ModifyEditorSelectbox(int, int);
1502 static void ModifyEditorElementList();
1503 static void DrawDrawingWindow();
1504 static void DrawLevelInfoWindow();
1505 static void DrawPropertiesWindow();
1506 static boolean checkPropertiesConfig();
1507 static void CopyLevelToUndoBuffer(int);
1508 static void HandleDrawingAreas(struct GadgetInfo *);
1509 static void HandleCounterButtons(struct GadgetInfo *);
1510 static void HandleTextInputGadgets(struct GadgetInfo *);
1511 static void HandleSelectboxGadgets(struct GadgetInfo *);
1512 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1513 static void HandleRadiobuttons(struct GadgetInfo *);
1514 static void HandleCheckbuttons(struct GadgetInfo *);
1515 static void HandleControlButtons(struct GadgetInfo *);
1516 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1517
1518 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1519
1520 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1521 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1522 static boolean draw_with_brush = FALSE;
1523 static int properties_element = 0;
1524
1525 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1526 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1527 static int undo_buffer_position = 0;
1528 static int undo_buffer_steps = 0;
1529
1530 static int edit_mode;
1531 static int edit_mode_properties;
1532
1533 static int element_shift = 0;
1534
1535 static int editor_el_boulderdash[] =
1536 {
1537   EL_CHAR('B'),
1538   EL_CHAR('O'),
1539   EL_CHAR('U'),
1540   EL_CHAR('L'),
1541
1542   EL_CHAR('-'),
1543   EL_CHAR('D'),
1544   EL_CHAR('E'),
1545   EL_CHAR('R'),
1546
1547   EL_CHAR('D'),
1548   EL_CHAR('A'),
1549   EL_CHAR('S'),
1550   EL_CHAR('H'),
1551
1552   EL_PLAYER_1,
1553   EL_EMPTY,
1554   EL_SAND,
1555   EL_STEELWALL,
1556
1557   EL_BD_WALL,
1558   EL_BD_MAGIC_WALL,
1559   EL_EXIT_CLOSED,
1560   EL_EXIT_OPEN,
1561
1562   EL_BD_DIAMOND,
1563   EL_BD_BUTTERFLY_UP,
1564   EL_BD_FIREFLY_UP,
1565   EL_BD_ROCK,
1566
1567   EL_BD_BUTTERFLY_LEFT,
1568   EL_BD_FIREFLY_LEFT,
1569   EL_BD_BUTTERFLY_RIGHT,
1570   EL_BD_FIREFLY_RIGHT,
1571
1572   EL_BD_AMOEBA,
1573   EL_BD_BUTTERFLY_DOWN,
1574   EL_BD_FIREFLY_DOWN,
1575   EL_EMPTY,
1576 };
1577 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1578
1579 static int editor_el_emerald_mine[] =
1580 {
1581   EL_CHAR('E'),
1582   EL_CHAR('M'),
1583   EL_CHAR('E'),
1584   EL_CHAR('-'),
1585
1586   EL_CHAR('R'),
1587   EL_CHAR('A'),
1588   EL_CHAR('L'),
1589   EL_CHAR('D'),
1590
1591   EL_CHAR('M'),
1592   EL_CHAR('I'),
1593   EL_CHAR('N'),
1594   EL_CHAR('E'),
1595
1596   EL_PLAYER_1,
1597   EL_PLAYER_2,
1598   EL_PLAYER_3,
1599   EL_PLAYER_4,
1600
1601   EL_PLAYER_1,
1602   EL_EMPTY,
1603   EL_SAND,
1604   EL_ROCK,
1605
1606   EL_STEELWALL,
1607   EL_WALL,
1608   EL_WALL_CRUMBLED,
1609   EL_MAGIC_WALL,
1610
1611   EL_EMERALD,
1612   EL_DIAMOND,
1613   EL_NUT,
1614   EL_BOMB,
1615
1616   EL_WALL_EMERALD,
1617   EL_WALL_DIAMOND,
1618   EL_QUICKSAND_EMPTY,
1619   EL_QUICKSAND_FULL,
1620
1621   EL_DYNAMITE,
1622   EL_DYNAMITE_ACTIVE,
1623   EL_EXIT_CLOSED,
1624   EL_EXIT_OPEN,
1625
1626   EL_YAMYAM,
1627   EL_BUG_UP,
1628   EL_SPACESHIP_UP,
1629   EL_ROBOT,
1630
1631   EL_BUG_LEFT,
1632   EL_SPACESHIP_LEFT,
1633   EL_BUG_RIGHT,
1634   EL_SPACESHIP_RIGHT,
1635
1636   EL_ROBOT_WHEEL,
1637   EL_BUG_DOWN,
1638   EL_SPACESHIP_DOWN,
1639   EL_INVISIBLE_WALL,
1640
1641   EL_ACID_POOL_TOPLEFT,
1642   EL_ACID,
1643   EL_ACID_POOL_TOPRIGHT,
1644   EL_EMPTY,
1645
1646   EL_ACID_POOL_BOTTOMLEFT,
1647   EL_ACID_POOL_BOTTOM,
1648   EL_ACID_POOL_BOTTOMRIGHT,
1649   EL_EMPTY,
1650
1651   EL_AMOEBA_DROP,
1652   EL_AMOEBA_DEAD,
1653   EL_AMOEBA_WET,
1654   EL_AMOEBA_DRY,
1655
1656   EL_EM_KEY_1_FILE,
1657   EL_EM_KEY_2_FILE,
1658   EL_EM_KEY_3_FILE,
1659   EL_EM_KEY_4_FILE,
1660
1661   EL_EM_GATE_1,
1662   EL_EM_GATE_2,
1663   EL_EM_GATE_3,
1664   EL_EM_GATE_4,
1665
1666   EL_EM_GATE_1_GRAY,
1667   EL_EM_GATE_2_GRAY,
1668   EL_EM_GATE_3_GRAY,
1669   EL_EM_GATE_4_GRAY,
1670 };
1671 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1672
1673 static int editor_el_more[] =
1674 {
1675   EL_CHAR('M'),
1676   EL_CHAR('O'),
1677   EL_CHAR('R'),
1678   EL_CHAR('E'),
1679
1680   EL_KEY_1,
1681   EL_KEY_2,
1682   EL_KEY_3,
1683   EL_KEY_4,
1684
1685   EL_GATE_1,
1686   EL_GATE_2,
1687   EL_GATE_3,
1688   EL_GATE_4,
1689
1690   EL_GATE_1_GRAY,
1691   EL_GATE_2_GRAY,
1692   EL_GATE_3_GRAY,
1693   EL_GATE_4_GRAY,
1694
1695   EL_ARROW_LEFT,
1696   EL_ARROW_RIGHT,
1697   EL_ARROW_UP,
1698   EL_ARROW_DOWN,
1699
1700   EL_AMOEBA_FULL,
1701   EL_EMERALD_YELLOW,
1702   EL_EMERALD_RED,
1703   EL_EMERALD_PURPLE,
1704
1705   EL_WALL_BD_DIAMOND,
1706   EL_WALL_EMERALD_YELLOW,
1707   EL_WALL_EMERALD_RED,
1708   EL_WALL_EMERALD_PURPLE,
1709
1710   EL_GAME_OF_LIFE,
1711   EL_PACMAN_UP,
1712   EL_TIME_ORB_FULL,
1713   EL_TIME_ORB_EMPTY,
1714
1715   EL_PACMAN_LEFT,
1716   EL_DARK_YAMYAM,
1717   EL_PACMAN_RIGHT,
1718   EL_EXPANDABLE_WALL,
1719
1720   EL_BIOMAZE,
1721   EL_PACMAN_DOWN,
1722   EL_LAMP,
1723   EL_LAMP_ACTIVE,
1724
1725   EL_DYNABOMB_INCREASE_NUMBER,
1726   EL_DYNABOMB_INCREASE_SIZE,
1727   EL_DYNABOMB_INCREASE_POWER,
1728   EL_STONEBLOCK,
1729
1730   EL_MOLE,
1731   EL_PENGUIN,
1732   EL_PIG,
1733   EL_DRAGON,
1734
1735   EL_EMPTY,
1736   EL_MOLE_UP,
1737   EL_EMPTY,
1738   EL_EMPTY,
1739
1740   EL_MOLE_LEFT,
1741   EL_EMPTY,
1742   EL_MOLE_RIGHT,
1743   EL_EMPTY,
1744
1745   EL_EMPTY,
1746   EL_MOLE_DOWN,
1747   EL_BALLOON,
1748   EL_BALLOON_SWITCH_ANY,
1749
1750   EL_BALLOON_SWITCH_LEFT,
1751   EL_BALLOON_SWITCH_RIGHT,
1752   EL_BALLOON_SWITCH_UP,
1753   EL_BALLOON_SWITCH_DOWN,
1754
1755   EL_SATELLITE,
1756   EL_EXPANDABLE_WALL_HORIZONTAL,
1757   EL_EXPANDABLE_WALL_VERTICAL,
1758   EL_EXPANDABLE_WALL_ANY,
1759
1760   EL_INVISIBLE_STEELWALL,
1761   EL_INVISIBLE_WALL,
1762   EL_SPEED_PILL,
1763   EL_BLACK_ORB,
1764
1765   EL_EMC_STEELWALL_1,
1766   EL_EMC_WALL_1,
1767   EL_EMC_WALL_2,
1768   EL_EMC_WALL_3,
1769
1770   EL_EMC_WALL_4,
1771   EL_EMC_WALL_5,
1772   EL_EMC_WALL_6,
1773   EL_EMC_WALL_7,
1774 };
1775 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1776
1777 static int editor_el_sokoban[] =
1778 {
1779   EL_CHAR('S'),
1780   EL_CHAR('O'),
1781   EL_CHAR('K'),
1782   EL_CHAR('O'),
1783
1784   EL_CHAR('-'),
1785   EL_CHAR('B'),
1786   EL_CHAR('A'),
1787   EL_CHAR('N'),
1788
1789   EL_SOKOBAN_OBJECT,
1790   EL_SOKOBAN_FIELD_EMPTY,
1791   EL_SOKOBAN_FIELD_FULL,
1792   EL_STEELWALL,
1793 };
1794 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1795
1796 static int editor_el_supaplex[] =
1797 {
1798   EL_CHAR('S'),
1799   EL_CHAR('U'),
1800   EL_CHAR('P'),
1801   EL_CHAR('A'),
1802
1803   EL_CHAR('P'),
1804   EL_CHAR('L'),
1805   EL_CHAR('E'),
1806   EL_CHAR('X'),
1807
1808   EL_SP_EMPTY,
1809   EL_SP_ZONK,
1810   EL_SP_BASE,
1811   EL_SP_MURPHY,
1812
1813   EL_SP_INFOTRON,
1814   EL_SP_CHIP_SINGLE,
1815   EL_SP_HARDWARE_GRAY,
1816   EL_SP_EXIT_CLOSED,
1817
1818   EL_SP_DISK_ORANGE,
1819   EL_SP_PORT_RIGHT,
1820   EL_SP_PORT_DOWN,
1821   EL_SP_PORT_LEFT,
1822
1823   EL_SP_PORT_UP,
1824   EL_SP_GRAVITY_PORT_RIGHT,
1825   EL_SP_GRAVITY_PORT_DOWN,
1826   EL_SP_GRAVITY_PORT_LEFT,
1827
1828   EL_SP_GRAVITY_PORT_UP,
1829   EL_SP_SNIKSNAK,
1830   EL_SP_DISK_YELLOW,
1831   EL_SP_TERMINAL,
1832
1833   EL_SP_DISK_RED,
1834   EL_SP_PORT_VERTICAL,
1835   EL_SP_PORT_HORIZONTAL,
1836   EL_SP_PORT_ANY,
1837
1838   EL_SP_ELECTRON,
1839   EL_SP_BUGGY_BASE,
1840   EL_SP_CHIP_LEFT,
1841   EL_SP_CHIP_RIGHT,
1842
1843   EL_SP_HARDWARE_BASE_1,
1844   EL_SP_HARDWARE_GREEN,
1845   EL_SP_HARDWARE_BLUE,
1846   EL_SP_HARDWARE_RED,
1847
1848   EL_SP_HARDWARE_YELLOW,
1849   EL_SP_HARDWARE_BASE_2,
1850   EL_SP_HARDWARE_BASE_3,
1851   EL_SP_HARDWARE_BASE_4,
1852
1853   EL_SP_HARDWARE_BASE_5,
1854   EL_SP_HARDWARE_BASE_6,
1855   EL_SP_CHIP_TOP,
1856   EL_SP_CHIP_BOTTOM,
1857 };
1858 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1859
1860 static int editor_el_diamond_caves[] =
1861 {
1862   EL_CHAR('D'),
1863   EL_CHAR('I'),
1864   EL_CHAR('A'),
1865   EL_CHAR('-'),
1866
1867   EL_CHAR('M'),
1868   EL_CHAR('O'),
1869   EL_CHAR('N'),
1870   EL_CHAR('D'),
1871
1872   EL_CHAR('C'),
1873   EL_CHAR('A'),
1874   EL_CHAR('V'),
1875   EL_CHAR('E'),
1876
1877   EL_CHAR('S'),
1878   EL_CHAR(' '),
1879   EL_CHAR('I'),
1880   EL_CHAR('I'),
1881
1882   EL_PEARL,
1883   EL_CRYSTAL,
1884   EL_WALL_PEARL,
1885   EL_WALL_CRYSTAL,
1886
1887   EL_CONVEYOR_BELT_1_LEFT,
1888   EL_CONVEYOR_BELT_1_MIDDLE,
1889   EL_CONVEYOR_BELT_1_RIGHT,
1890   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1891
1892   EL_CONVEYOR_BELT_2_LEFT,
1893   EL_CONVEYOR_BELT_2_MIDDLE,
1894   EL_CONVEYOR_BELT_2_RIGHT,
1895   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1896
1897   EL_CONVEYOR_BELT_3_LEFT,
1898   EL_CONVEYOR_BELT_3_MIDDLE,
1899   EL_CONVEYOR_BELT_3_RIGHT,
1900   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1901
1902   EL_CONVEYOR_BELT_4_LEFT,
1903   EL_CONVEYOR_BELT_4_MIDDLE,
1904   EL_CONVEYOR_BELT_4_RIGHT,
1905   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1906
1907   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1908   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1909   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1910   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1911
1912   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1913   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1914   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1915   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1916
1917   EL_SWITCHGATE_OPEN,
1918   EL_SWITCHGATE_CLOSED,
1919   EL_SWITCHGATE_SWITCH_UP,
1920   EL_ENVELOPE,
1921
1922   EL_TIMEGATE_CLOSED,
1923   EL_TIMEGATE_OPEN,
1924   EL_TIMEGATE_SWITCH,
1925   EL_EMPTY,
1926
1927   EL_LANDMINE,
1928   EL_INVISIBLE_SAND,
1929   EL_STEELWALL_SLANTED,
1930   EL_EMPTY,
1931
1932   EL_SIGN_EXCLAMATION,
1933   EL_SIGN_STOP,
1934   EL_LIGHT_SWITCH,
1935   EL_LIGHT_SWITCH_ACTIVE,
1936
1937   EL_SHIELD_NORMAL,
1938   EL_SHIELD_DEADLY,
1939   EL_EXTRA_TIME,
1940   EL_EMPTY,
1941 };
1942 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1943
1944 static int editor_el_dx_boulderdash[] =
1945 {
1946   EL_CHAR('D'),
1947   EL_CHAR('X'),
1948   EL_CHAR('-'),
1949   EL_CHAR(' '),
1950
1951   EL_CHAR('B'),
1952   EL_CHAR('O'),
1953   EL_CHAR('U'),
1954   EL_CHAR('L'),
1955
1956   EL_CHAR('-'),
1957   EL_CHAR('D'),
1958   EL_CHAR('E'),
1959   EL_CHAR('R'),
1960
1961   EL_CHAR('D'),
1962   EL_CHAR('A'),
1963   EL_CHAR('S'),
1964   EL_CHAR('H'),
1965
1966   EL_SPRING,
1967   EL_TUBE_RIGHT_DOWN,
1968   EL_TUBE_HORIZONTAL_DOWN,
1969   EL_TUBE_LEFT_DOWN,
1970
1971   EL_TUBE_HORIZONTAL,
1972   EL_TUBE_VERTICAL_RIGHT,
1973   EL_TUBE_ANY,
1974   EL_TUBE_VERTICAL_LEFT,
1975
1976   EL_TUBE_VERTICAL,
1977   EL_TUBE_RIGHT_UP,
1978   EL_TUBE_HORIZONTAL_UP,
1979   EL_TUBE_LEFT_UP,
1980
1981   EL_TRAP,
1982   EL_DX_SUPABOMB,
1983   EL_EMPTY,
1984   EL_EMPTY
1985 };
1986 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
1987
1988 static int editor_el_chars[] =
1989 {
1990   EL_CHAR('T'),
1991   EL_CHAR('E'),
1992   EL_CHAR('X'),
1993   EL_CHAR('T'),
1994
1995   EL_CHAR(' '),
1996   EL_CHAR('!'),
1997   EL_CHAR('"'),
1998   EL_CHAR('#'),
1999
2000   EL_CHAR('$'),
2001   EL_CHAR('%'),
2002   EL_CHAR('&'),
2003   EL_CHAR('\''),
2004
2005   EL_CHAR('('),
2006   EL_CHAR(')'),
2007   EL_CHAR('*'),
2008   EL_CHAR('+'),
2009
2010   EL_CHAR(','),
2011   EL_CHAR('-'),
2012   EL_CHAR('.'),
2013   EL_CHAR('/'),
2014
2015   EL_CHAR('0'),
2016   EL_CHAR('1'),
2017   EL_CHAR('2'),
2018   EL_CHAR('3'),
2019
2020   EL_CHAR('4'),
2021   EL_CHAR('5'),
2022   EL_CHAR('6'),
2023   EL_CHAR('7'),
2024
2025   EL_CHAR('8'),
2026   EL_CHAR('9'),
2027   EL_CHAR(':'),
2028   EL_CHAR(';'),
2029
2030   EL_CHAR('<'),
2031   EL_CHAR('='),
2032   EL_CHAR('>'),
2033   EL_CHAR('?'),
2034
2035   EL_CHAR('@'),
2036   EL_CHAR('A'),
2037   EL_CHAR('B'),
2038   EL_CHAR('C'),
2039
2040   EL_CHAR('D'),
2041   EL_CHAR('E'),
2042   EL_CHAR('F'),
2043   EL_CHAR('G'),
2044
2045   EL_CHAR('H'),
2046   EL_CHAR('I'),
2047   EL_CHAR('J'),
2048   EL_CHAR('K'),
2049
2050   EL_CHAR('L'),
2051   EL_CHAR('M'),
2052   EL_CHAR('N'),
2053   EL_CHAR('O'),
2054
2055   EL_CHAR('P'),
2056   EL_CHAR('Q'),
2057   EL_CHAR('R'),
2058   EL_CHAR('S'),
2059
2060   EL_CHAR('T'),
2061   EL_CHAR('U'),
2062   EL_CHAR('V'),
2063   EL_CHAR('W'),
2064
2065   EL_CHAR('X'),
2066   EL_CHAR('Y'),
2067   EL_CHAR('Z'),
2068   EL_CHAR('['),
2069
2070   EL_CHAR('\\'),
2071   EL_CHAR(']'),
2072   EL_CHAR('^'),
2073   EL_CHAR('_'),
2074
2075   EL_CHAR('©'),
2076   EL_CHAR('Ä'),
2077   EL_CHAR('Ö'),
2078   EL_CHAR('Ü'),
2079
2080   EL_CHAR('°'),
2081   EL_CHAR('®'),
2082   EL_CHAR(FONT_ASCII_CURSOR),
2083   EL_CHAR(' ')
2084 };
2085 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
2086
2087 static int editor_el_custom[] =
2088 {
2089   EL_CHAR('C'),
2090   EL_CHAR('U'),
2091   EL_CHAR('S'),
2092   EL_CHAR('-'),
2093
2094   EL_CHAR('T'),
2095   EL_CHAR('O'),
2096   EL_CHAR('M'),
2097   EL_CHAR(' '),
2098
2099   EL_CHAR('E'),
2100   EL_CHAR('L'),
2101   EL_CHAR('E'),
2102   EL_CHAR('M'),
2103
2104   EL_CHAR('E'),
2105   EL_CHAR('N'),
2106   EL_CHAR('T'),
2107   EL_CHAR('S'),
2108
2109   EL_CUSTOM_START + 0,
2110   EL_CUSTOM_START + 1,
2111   EL_CUSTOM_START + 2,
2112   EL_CUSTOM_START + 3,
2113
2114   EL_CUSTOM_START + 4,
2115   EL_CUSTOM_START + 5,
2116   EL_CUSTOM_START + 6,
2117   EL_CUSTOM_START + 7,
2118
2119   EL_CUSTOM_START + 8,
2120   EL_CUSTOM_START + 9,
2121   EL_CUSTOM_START + 10,
2122   EL_CUSTOM_START + 11,
2123
2124   EL_CUSTOM_START + 12,
2125   EL_CUSTOM_START + 13,
2126   EL_CUSTOM_START + 14,
2127   EL_CUSTOM_START + 15,
2128
2129   EL_CUSTOM_START + 16,
2130   EL_CUSTOM_START + 17,
2131   EL_CUSTOM_START + 18,
2132   EL_CUSTOM_START + 19,
2133
2134   EL_CUSTOM_START + 20,
2135   EL_CUSTOM_START + 21,
2136   EL_CUSTOM_START + 22,
2137   EL_CUSTOM_START + 23,
2138
2139   EL_CUSTOM_START + 24,
2140   EL_CUSTOM_START + 25,
2141   EL_CUSTOM_START + 26,
2142   EL_CUSTOM_START + 27,
2143
2144   EL_CUSTOM_START + 28,
2145   EL_CUSTOM_START + 29,
2146   EL_CUSTOM_START + 30,
2147   EL_CUSTOM_START + 31,
2148
2149   EL_CUSTOM_START + 32,
2150   EL_CUSTOM_START + 33,
2151   EL_CUSTOM_START + 34,
2152   EL_CUSTOM_START + 35,
2153
2154   EL_CUSTOM_START + 36,
2155   EL_CUSTOM_START + 37,
2156   EL_CUSTOM_START + 38,
2157   EL_CUSTOM_START + 39,
2158
2159   EL_CUSTOM_START + 40,
2160   EL_CUSTOM_START + 41,
2161   EL_CUSTOM_START + 42,
2162   EL_CUSTOM_START + 43,
2163
2164   EL_CUSTOM_START + 44,
2165   EL_CUSTOM_START + 45,
2166   EL_CUSTOM_START + 46,
2167   EL_CUSTOM_START + 47,
2168
2169   EL_CUSTOM_START + 48,
2170   EL_CUSTOM_START + 49,
2171   EL_CUSTOM_START + 50,
2172   EL_CUSTOM_START + 51,
2173
2174   EL_CUSTOM_START + 52,
2175   EL_CUSTOM_START + 53,
2176   EL_CUSTOM_START + 54,
2177   EL_CUSTOM_START + 55,
2178
2179   EL_CUSTOM_START + 56,
2180   EL_CUSTOM_START + 57,
2181   EL_CUSTOM_START + 58,
2182   EL_CUSTOM_START + 59,
2183
2184   EL_CUSTOM_START + 60,
2185   EL_CUSTOM_START + 61,
2186   EL_CUSTOM_START + 62,
2187   EL_CUSTOM_START + 63,
2188
2189   EL_CUSTOM_START + 64,
2190   EL_CUSTOM_START + 65,
2191   EL_CUSTOM_START + 66,
2192   EL_CUSTOM_START + 67,
2193
2194   EL_CUSTOM_START + 68,
2195   EL_CUSTOM_START + 69,
2196   EL_CUSTOM_START + 70,
2197   EL_CUSTOM_START + 71,
2198
2199   EL_CUSTOM_START + 72,
2200   EL_CUSTOM_START + 73,
2201   EL_CUSTOM_START + 74,
2202   EL_CUSTOM_START + 75,
2203
2204   EL_CUSTOM_START + 76,
2205   EL_CUSTOM_START + 77,
2206   EL_CUSTOM_START + 78,
2207   EL_CUSTOM_START + 79,
2208
2209   EL_CUSTOM_START + 80,
2210   EL_CUSTOM_START + 81,
2211   EL_CUSTOM_START + 82,
2212   EL_CUSTOM_START + 83,
2213
2214   EL_CUSTOM_START + 84,
2215   EL_CUSTOM_START + 85,
2216   EL_CUSTOM_START + 86,
2217   EL_CUSTOM_START + 87,
2218
2219   EL_CUSTOM_START + 88,
2220   EL_CUSTOM_START + 89,
2221   EL_CUSTOM_START + 90,
2222   EL_CUSTOM_START + 91,
2223
2224   EL_CUSTOM_START + 92,
2225   EL_CUSTOM_START + 93,
2226   EL_CUSTOM_START + 94,
2227   EL_CUSTOM_START + 95,
2228
2229   EL_CUSTOM_START + 96,
2230   EL_CUSTOM_START + 97,
2231   EL_CUSTOM_START + 98,
2232   EL_CUSTOM_START + 99,
2233
2234   EL_CUSTOM_START + 100,
2235   EL_CUSTOM_START + 101,
2236   EL_CUSTOM_START + 102,
2237   EL_CUSTOM_START + 103,
2238
2239   EL_CUSTOM_START + 104,
2240   EL_CUSTOM_START + 105,
2241   EL_CUSTOM_START + 106,
2242   EL_CUSTOM_START + 107,
2243
2244   EL_CUSTOM_START + 108,
2245   EL_CUSTOM_START + 109,
2246   EL_CUSTOM_START + 110,
2247   EL_CUSTOM_START + 111,
2248
2249   EL_CUSTOM_START + 112,
2250   EL_CUSTOM_START + 113,
2251   EL_CUSTOM_START + 114,
2252   EL_CUSTOM_START + 115,
2253
2254   EL_CUSTOM_START + 116,
2255   EL_CUSTOM_START + 117,
2256   EL_CUSTOM_START + 118,
2257   EL_CUSTOM_START + 119,
2258
2259   EL_CUSTOM_START + 120,
2260   EL_CUSTOM_START + 121,
2261   EL_CUSTOM_START + 122,
2262   EL_CUSTOM_START + 123,
2263
2264   EL_CUSTOM_START + 124,
2265   EL_CUSTOM_START + 125,
2266   EL_CUSTOM_START + 126,
2267   EL_CUSTOM_START + 127
2268 };
2269 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
2270
2271 static int *editor_elements = NULL;     /* dynamically allocated */
2272 static int num_editor_elements = 0;     /* dynamically determined */
2273
2274 static struct
2275 {
2276   boolean *setup_value;
2277   int *element_list;
2278   int *element_list_size;
2279
2280   boolean last_setup_value;
2281 }
2282 editor_elements_info[] =
2283 {
2284   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
2285     &num_editor_el_boulderdash                                          },
2286   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
2287     &num_editor_el_emerald_mine                                         },
2288   { &setup.editor.el_more,              editor_el_more,
2289     &num_editor_el_more                                                 },
2290   { &setup.editor.el_sokoban,           editor_el_sokoban,
2291     &num_editor_el_sokoban                                              },
2292   { &setup.editor.el_supaplex,          editor_el_supaplex,
2293     &num_editor_el_supaplex                                             },
2294   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
2295     &num_editor_el_diamond_caves                                        },
2296   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
2297     &num_editor_el_dx_boulderdash                                       },
2298   { &setup.editor.el_chars,             editor_el_chars,
2299     &num_editor_el_chars                                                },
2300   { &setup.editor.el_custom,            editor_el_custom,
2301     &num_editor_el_custom                                               },
2302   { NULL,                               NULL,
2303     NULL                                                                }
2304 };
2305
2306
2307 /*
2308   -----------------------------------------------------------------------------
2309   functions
2310   -----------------------------------------------------------------------------
2311 */
2312
2313 static void ReinitializeElementList()
2314 {
2315   int pos = 0;
2316   int i, j;
2317
2318   if (editor_elements != NULL)
2319     free(editor_elements);
2320
2321   num_editor_elements = 0;
2322
2323   /* determine size of element list */
2324   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2325     if (*editor_elements_info[i].setup_value)
2326       num_editor_elements += *editor_elements_info[i].element_list_size;
2327
2328   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
2329   {
2330     /* workaround: offer at least as many elements as element buttons exist */
2331     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
2332
2333     *editor_elements_info[list_nr].setup_value = TRUE;
2334     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
2335   }
2336
2337   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
2338
2339   /* fill element list */
2340   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2341     if (*editor_elements_info[i].setup_value)
2342       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
2343         editor_elements[pos++] = editor_elements_info[i].element_list[j];
2344 }
2345
2346 static void ReinitializeElementListButtons()
2347 {
2348   static boolean initialization_needed = TRUE;
2349   int i;
2350
2351   if (!initialization_needed)   /* check if editor element setup has changed */
2352     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2353       if (editor_elements_info[i].last_setup_value !=
2354           *editor_elements_info[i].setup_value)
2355         initialization_needed = TRUE;
2356
2357   if (!initialization_needed)
2358     return;
2359
2360   FreeLevelEditorGadgets();
2361   CreateLevelEditorGadgets();
2362
2363   /* store current setup values for next invocation of this function */
2364   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2365     editor_elements_info[i].last_setup_value =
2366       *editor_elements_info[i].setup_value;
2367
2368   initialization_needed = FALSE;
2369 }
2370
2371 static int getCounterGadgetWidth()
2372 {
2373   return (DXSIZE + getFontWidth(FONT_INPUT_1) - 2 * ED_GADGET_DISTANCE);
2374 }
2375
2376 static int getMaxInfoTextLength()
2377 {
2378   return (SXSIZE / getFontWidth(FONT_TEXT_2));
2379 }
2380
2381 static char *getElementInfoText(int element)
2382 {
2383   char *info_text = NULL;
2384
2385   if (element < NUM_FILE_ELEMENTS)
2386   {
2387     if (element_info[element].custom_description != NULL)
2388       info_text = element_info[element].custom_description;
2389     else if (strlen(element_info[element].description) > 0)
2390       info_text = element_info[element].description;
2391     else if (element_info[element].editor_description != NULL)
2392       info_text = element_info[element].editor_description;
2393   }
2394
2395   if (info_text == NULL)
2396   {
2397     info_text = "unknown";
2398
2399     Error(ERR_WARN, "no element description for element %d", element);
2400   }
2401
2402   return info_text;
2403 }
2404
2405 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
2406 {
2407   int x,y;
2408   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
2409   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
2410
2411   BlitBitmap(drawto, drawto,
2412              SX + (dx == -1 ? MINI_TILEX : 0),
2413              SY + (dy == -1 ? MINI_TILEY : 0),
2414              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
2415              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
2416              SX + (dx == +1 ? MINI_TILEX : 0),
2417              SY + (dy == +1 ? MINI_TILEY : 0));
2418   if (dx)
2419   {
2420     x = (dx == 1 ? 0 : ed_fieldx - 1);
2421     for(y=0; y<ed_fieldy; y++)
2422       DrawMiniElementOrWall(x, y, from_x, from_y);
2423   }
2424   else if (dy)
2425   {
2426     y = (dy == 1 ? 0 : ed_fieldy - 1);
2427     for(x=0; x<ed_fieldx; x++)
2428       DrawMiniElementOrWall(x, y, from_x, from_y);
2429   }
2430
2431   redraw_mask |= REDRAW_FIELD;
2432   BackToFront();
2433 }
2434
2435 static void CreateControlButtons()
2436 {
2437   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2438   struct GadgetInfo *gi;
2439   unsigned long event_mask;
2440   int i;
2441
2442   /* create toolbox buttons */
2443   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2444   {
2445     int id = i;
2446     int width, height;
2447     int gd_xoffset, gd_yoffset;
2448     int gd_x1, gd_x2, gd_y1, gd_y2;
2449     int button_type;
2450     int radio_button_nr;
2451     boolean checked;
2452
2453     if (id == GADGET_ID_SINGLE_ITEMS ||
2454         id == GADGET_ID_CONNECTED_ITEMS ||
2455         id == GADGET_ID_LINE ||
2456         id == GADGET_ID_ARC ||
2457         id == GADGET_ID_TEXT ||
2458         id == GADGET_ID_RECTANGLE ||
2459         id == GADGET_ID_FILLED_BOX ||
2460         id == GADGET_ID_FLOOD_FILL ||
2461         id == GADGET_ID_GRAB_BRUSH ||
2462         id == GADGET_ID_PICK_ELEMENT)
2463     {
2464       button_type = GD_TYPE_RADIO_BUTTON;
2465       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
2466       checked = (id == drawing_function ? TRUE : FALSE);
2467       event_mask = GD_EVENT_PRESSED;
2468     }
2469     else
2470     {
2471       button_type = GD_TYPE_NORMAL_BUTTON;
2472       radio_button_nr = RADIO_NR_NONE;
2473       checked = FALSE;
2474
2475       if (id == GADGET_ID_WRAP_LEFT ||
2476           id == GADGET_ID_WRAP_RIGHT ||
2477           id == GADGET_ID_WRAP_UP ||
2478           id == GADGET_ID_WRAP_DOWN)
2479         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2480       else
2481         event_mask = GD_EVENT_RELEASED;
2482     }
2483
2484     if (id < ED_NUM_CTRL1_BUTTONS)
2485     {
2486       int x = i % ED_CTRL1_BUTTONS_HORIZ;
2487       int y = i / ED_CTRL1_BUTTONS_HORIZ;
2488
2489       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
2490       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
2491       width = ED_CTRL1_BUTTON_XSIZE;
2492       height = ED_CTRL1_BUTTON_YSIZE;
2493     }
2494     else
2495     {
2496       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
2497       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
2498
2499       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
2500       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
2501       width = ED_CTRL2_BUTTON_XSIZE;
2502       height = ED_CTRL2_BUTTON_YSIZE;
2503     }
2504
2505     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
2506     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
2507     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
2508     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
2509
2510     gi = CreateGadget(GDI_CUSTOM_ID, id,
2511                       GDI_CUSTOM_TYPE_ID, i,
2512                       GDI_INFO_TEXT, control_info[i].text,
2513                       GDI_X, EX + gd_xoffset,
2514                       GDI_Y, EY + gd_yoffset,
2515                       GDI_WIDTH, width,
2516                       GDI_HEIGHT, height,
2517                       GDI_TYPE, button_type,
2518                       GDI_STATE, GD_BUTTON_UNPRESSED,
2519                       GDI_RADIO_NR, radio_button_nr,
2520                       GDI_CHECKED, checked,
2521                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2522                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2523                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2524                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2525                       GDI_EVENT_MASK, event_mask,
2526                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2527                       GDI_CALLBACK_ACTION, HandleControlButtons,
2528                       GDI_END);
2529
2530     if (gi == NULL)
2531       Error(ERR_EXIT, "cannot create gadget");
2532
2533     level_editor_gadget[id] = gi;
2534   }
2535
2536   /* create buttons for scrolling of drawing area and element list */
2537   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
2538   {
2539     int id = scrollbutton_info[i].gadget_id;
2540     int x, y, width, height;
2541     int gd_x1, gd_x2, gd_y1, gd_y2;
2542
2543     x = scrollbutton_info[i].x;
2544     y = scrollbutton_info[i].y;
2545
2546     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2547
2548     if (id == GADGET_ID_SCROLL_LIST_UP ||
2549         id == GADGET_ID_SCROLL_LIST_DOWN)
2550     {
2551       x += DX;
2552       y += DY;
2553       width = ED_SCROLLBUTTON2_XSIZE;
2554       height = ED_SCROLLBUTTON2_YSIZE;
2555       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2556       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2557       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
2558       gd_y2 = gd_y1;
2559     }
2560     else
2561     {
2562       x += SX;
2563       y += SY;
2564       width = ED_SCROLLBUTTON_XSIZE;
2565       height = ED_SCROLLBUTTON_YSIZE;
2566       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2567       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2568       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2569       gd_y2 = gd_y1;
2570     }
2571
2572     gi = CreateGadget(GDI_CUSTOM_ID, id,
2573                       GDI_CUSTOM_TYPE_ID, i,
2574                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2575                       GDI_X, x,
2576                       GDI_Y, y,
2577                       GDI_WIDTH, width,
2578                       GDI_HEIGHT, height,
2579                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2580                       GDI_STATE, GD_BUTTON_UNPRESSED,
2581                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2582                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2583                       GDI_EVENT_MASK, event_mask,
2584                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2585                       GDI_CALLBACK_ACTION, HandleControlButtons,
2586                       GDI_END);
2587
2588     if (gi == NULL)
2589       Error(ERR_EXIT, "cannot create gadget");
2590
2591     level_editor_gadget[id] = gi;
2592   }
2593
2594   /* create buttons for element list */
2595   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2596   {
2597     Bitmap *deco_bitmap;
2598     int deco_x, deco_y, deco_xpos, deco_ypos;
2599     int gd_xoffset, gd_yoffset;
2600     int gd_x1, gd_x2, gd_y;
2601     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
2602     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
2603     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
2604     int element = editor_elements[i];
2605
2606     event_mask = GD_EVENT_RELEASED;
2607
2608     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
2609     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
2610
2611     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
2612     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
2613     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
2614
2615     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
2616     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
2617     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
2618
2619     gi = CreateGadget(GDI_CUSTOM_ID, id,
2620                       GDI_CUSTOM_TYPE_ID, i,
2621                       GDI_INFO_TEXT, getElementInfoText(element),
2622                       GDI_X, DX + gd_xoffset,
2623                       GDI_Y, DY + gd_yoffset,
2624                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
2625                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
2626                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2627                       GDI_STATE, GD_BUTTON_UNPRESSED,
2628                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2629                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2630                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2631                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2632                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2633                       GDI_DECORATION_SHIFTING, 1, 1,
2634                       GDI_EVENT_MASK, event_mask,
2635                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2636                       GDI_CALLBACK_ACTION, HandleControlButtons,
2637                       GDI_END);
2638
2639     if (gi == NULL)
2640       Error(ERR_EXIT, "cannot create gadget");
2641
2642     level_editor_gadget[id] = gi;
2643   }
2644 }
2645
2646 static void CreateCounterButtons()
2647 {
2648   int max_infotext_len = getMaxInfoTextLength();
2649   int i;
2650
2651   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
2652   {
2653     int j;
2654     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
2655     int ypos = SY + counterbutton_info[i].y;
2656     int xoffset = 0;
2657
2658     /* determine horizontal offset for leading counter text */
2659     if (counterbutton_info[i].text_left != NULL)
2660       xoffset = (getFontWidth(FONT_TEXT_1) *
2661                  strlen(counterbutton_info[i].text_left) +
2662                  ED_GADGET_TEXT_DISTANCE);
2663
2664     for (j=0; j<2; j++)
2665     {
2666       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2667       struct GadgetInfo *gi;
2668       int id = (j == 0 ?
2669                 counterbutton_info[i].gadget_id_down :
2670                 counterbutton_info[i].gadget_id_up);
2671       int gd_xoffset;
2672       int gd_x, gd_x1, gd_x2, gd_y;
2673       int x_size, y_size;
2674       unsigned long event_mask;
2675       char infotext[max_infotext_len + 1];
2676
2677       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2678
2679       if (i == ED_COUNTER_ID_SELECT_LEVEL)
2680       {
2681         int sid = (j == 0 ?
2682                    ED_SCROLLBUTTON_ID_AREA_LEFT :
2683                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
2684
2685         event_mask |= GD_EVENT_RELEASED;
2686
2687         if (j == 1)
2688           xpos += 2 * ED_GADGET_DISTANCE;
2689         ypos += ED_GADGET_DISTANCE;
2690
2691         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
2692         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2693         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
2694         x_size = ED_SCROLLBUTTON_XSIZE;
2695         y_size = ED_SCROLLBUTTON_YSIZE;
2696       }
2697       else
2698       {
2699         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
2700         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2701         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2702         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
2703         x_size = ED_BUTTON_COUNT_XSIZE;
2704         y_size = ED_BUTTON_COUNT_YSIZE;
2705       }
2706
2707       sprintf(infotext, "%s counter value by 1, 5 or 10",
2708               (j == 0 ? "decrease" : "increase"));
2709
2710       gi = CreateGadget(GDI_CUSTOM_ID, id,
2711                         GDI_CUSTOM_TYPE_ID, i,
2712                         GDI_INFO_TEXT, infotext,
2713                         GDI_X, xpos + xoffset,
2714                         GDI_Y, ypos,
2715                         GDI_WIDTH, x_size,
2716                         GDI_HEIGHT, y_size,
2717                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2718                         GDI_STATE, GD_BUTTON_UNPRESSED,
2719                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2720                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2721                         GDI_EVENT_MASK, event_mask,
2722                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2723                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2724                         GDI_END);
2725
2726       if (gi == NULL)
2727         Error(ERR_EXIT, "cannot create gadget");
2728
2729       level_editor_gadget[id] = gi;
2730       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
2731
2732       if (j == 0)
2733       {
2734         int font_type = FONT_INPUT_1;
2735         int font_type_active = FONT_INPUT_1_ACTIVE;
2736         int gd_width = ED_WIN_COUNT_XSIZE;
2737
2738         id = counterbutton_info[i].gadget_id_text;
2739         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2740
2741         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2742         {
2743           font_type = FONT_LEVEL_NUMBER;
2744           font_type_active = FONT_LEVEL_NUMBER;
2745
2746           xpos += 2 * ED_GADGET_DISTANCE;
2747           ypos -= ED_GADGET_DISTANCE;
2748
2749           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2750           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2751           gd_width = ED_WIN_COUNT2_XSIZE;
2752         }
2753         else
2754         {
2755           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2756           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2757         }
2758
2759         gi = CreateGadget(GDI_CUSTOM_ID, id,
2760                           GDI_CUSTOM_TYPE_ID, i,
2761                           GDI_INFO_TEXT, "enter counter value",
2762                           GDI_X, xpos + xoffset,
2763                           GDI_Y, ypos,
2764                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2765                           GDI_NUMBER_VALUE, 0,
2766                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2767                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2768                           GDI_TEXT_SIZE, 3,
2769                           GDI_TEXT_FONT, font_type,
2770                           GDI_TEXT_FONT_ACTIVE, font_type_active,
2771                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2772                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2773                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2774                           GDI_DESIGN_WIDTH, gd_width,
2775                           GDI_EVENT_MASK, event_mask,
2776                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2777                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2778                           GDI_END);
2779
2780         if (gi == NULL)
2781           Error(ERR_EXIT, "cannot create gadget");
2782
2783         level_editor_gadget[id] = gi;
2784         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
2785       }
2786     }
2787   }
2788 }
2789
2790 static void CreateDrawingAreas()
2791 {
2792   struct GadgetInfo *gi;
2793   unsigned long event_mask;
2794   int id;
2795   int i;
2796
2797   event_mask =
2798     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
2799     GD_EVENT_OFF_BORDERS;
2800
2801   /* one for the level drawing area ... */
2802   id = GADGET_ID_DRAWING_LEVEL;
2803   gi = CreateGadget(GDI_CUSTOM_ID, id,
2804                     GDI_X, SX,
2805                     GDI_Y, SY,
2806                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2807                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2808                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2809                     GDI_EVENT_MASK, event_mask,
2810                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2811                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2812                     GDI_END);
2813
2814   if (gi == NULL)
2815     Error(ERR_EXIT, "cannot create gadget");
2816
2817   level_editor_gadget[id] = gi;
2818
2819   /* ... up to eight areas for element content ... */
2820   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2821   {
2822     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
2823     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
2824
2825     id = GADGET_ID_ELEMENT_CONTENT_0 + i;
2826     gi = CreateGadget(GDI_CUSTOM_ID, id,
2827                       GDI_CUSTOM_TYPE_ID, i,
2828                       GDI_X, gx,
2829                       GDI_Y, gy,
2830                       GDI_WIDTH, 3 * MINI_TILEX,
2831                       GDI_HEIGHT, 3 * MINI_TILEY,
2832                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2833                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2834                       GDI_EVENT_MASK, event_mask,
2835                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2836                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2837                       GDI_END);
2838
2839     if (gi == NULL)
2840       Error(ERR_EXIT, "cannot create gadget");
2841
2842     level_editor_gadget[id] = gi;
2843   }
2844
2845   /* ... one for the amoeba content ... */
2846   id = GADGET_ID_AMOEBA_CONTENT;
2847   gi = CreateGadget(GDI_CUSTOM_ID, id,
2848                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2849                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2850                     GDI_WIDTH, MINI_TILEX,
2851                     GDI_HEIGHT, MINI_TILEY,
2852                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2853                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2854                     GDI_EVENT_MASK, event_mask,
2855                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2856                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2857                     GDI_END);
2858
2859   if (gi == NULL)
2860     Error(ERR_EXIT, "cannot create gadget");
2861
2862   level_editor_gadget[id] = gi;
2863
2864   /* ... one for each custom element optional graphic element ... */
2865   id = GADGET_ID_CUSTOM_GRAPHIC;
2866   gi = CreateGadget(GDI_CUSTOM_ID, id,
2867                     GDI_X, SX + ED_AREA_ELEM_CONTENT3_XPOS,
2868                     GDI_Y, SY + ED_AREA_ELEM_CONTENT3_YPOS,
2869                     GDI_WIDTH, MINI_TILEX,
2870                     GDI_HEIGHT, MINI_TILEY,
2871                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2872                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2873                     GDI_EVENT_MASK, event_mask,
2874                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2875                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2876                     GDI_END);
2877
2878   if (gi == NULL)
2879     Error(ERR_EXIT, "cannot create gadget");
2880
2881   level_editor_gadget[id] = gi;
2882
2883   /* ... one area for custom element explosion content ... */
2884   id = GADGET_ID_CUSTOM_CONTENT;
2885   gi = CreateGadget(GDI_CUSTOM_ID, id,
2886                     GDI_CUSTOM_TYPE_ID, i,
2887                     GDI_X, SX + ED_AREA_ELEM_CONTENT4_XPOS,
2888                     GDI_Y, SX + ED_AREA_ELEM_CONTENT4_YPOS,
2889                     GDI_WIDTH, 3 * MINI_TILEX,
2890                     GDI_HEIGHT, 3 * MINI_TILEY,
2891                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2892                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2893                     GDI_EVENT_MASK, event_mask,
2894                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2895                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2896                     GDI_END);
2897
2898   if (gi == NULL)
2899     Error(ERR_EXIT, "cannot create gadget");
2900
2901   level_editor_gadget[id] = gi;
2902
2903   /* ... one for each custom element change target element ... */
2904   id = GADGET_ID_CUSTOM_CHANGE_TARGET;
2905   gi = CreateGadget(GDI_CUSTOM_ID, id,
2906                     GDI_X, SX + ED_AREA_ELEM_CONTENT2_XPOS,
2907                     GDI_Y, SY + ED_AREA_ELEM_CONTENT2_YPOS,
2908                     GDI_WIDTH, MINI_TILEX,
2909                     GDI_HEIGHT, MINI_TILEY,
2910                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2911                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2912                     GDI_EVENT_MASK, event_mask,
2913                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2914                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2915                     GDI_END);
2916
2917   if (gi == NULL)
2918     Error(ERR_EXIT, "cannot create gadget");
2919
2920   level_editor_gadget[id] = gi;
2921
2922   /* ... one area for extended custom element change target content ... */
2923   id = GADGET_ID_CUSTOM_CHANGE_CONTENT;
2924   gi = CreateGadget(GDI_CUSTOM_ID, id,
2925                     GDI_CUSTOM_TYPE_ID, i,
2926                     GDI_X, SX + ED_AREA_ELEM_CONTENT6_XPOS,
2927                     GDI_Y, SX + ED_AREA_ELEM_CONTENT6_YPOS,
2928                     GDI_WIDTH, 3 * MINI_TILEX,
2929                     GDI_HEIGHT, 3 * MINI_TILEY,
2930                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2931                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2932                     GDI_EVENT_MASK, event_mask,
2933                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2934                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2935                     GDI_END);
2936
2937   if (gi == NULL)
2938     Error(ERR_EXIT, "cannot create gadget");
2939
2940   level_editor_gadget[id] = gi;
2941
2942   /* ... one for each custom element change trigger element ... */
2943   id = GADGET_ID_CUSTOM_CHANGE_TRIGGER;
2944   gi = CreateGadget(GDI_CUSTOM_ID, id,
2945                     GDI_X, SX + ED_AREA_ELEM_CONTENT5_XPOS,
2946                     GDI_Y, SY + ED_AREA_ELEM_CONTENT5_YPOS,
2947                     GDI_WIDTH, MINI_TILEX,
2948                     GDI_HEIGHT, MINI_TILEY,
2949                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2950                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2951                     GDI_EVENT_MASK, event_mask,
2952                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2953                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2954                     GDI_END);
2955
2956   if (gi == NULL)
2957     Error(ERR_EXIT, "cannot create gadget");
2958
2959   level_editor_gadget[id] = gi;
2960
2961   /* ... and one for random placement background restrictions */
2962   id = GADGET_ID_RANDOM_BACKGROUND;
2963   gi = CreateGadget(GDI_CUSTOM_ID, id,
2964                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2965                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2966                     GDI_WIDTH, MINI_TILEX,
2967                     GDI_HEIGHT, MINI_TILEY,
2968                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2969                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2970                     GDI_EVENT_MASK, event_mask,
2971                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2972                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2973                     GDI_END);
2974
2975   if (gi == NULL)
2976     Error(ERR_EXIT, "cannot create gadget");
2977
2978   level_editor_gadget[id] = gi;
2979 }
2980
2981 static void CreateTextInputGadgets()
2982 {
2983   int max_infotext_len = getMaxInfoTextLength();
2984   int i;
2985
2986   for (i=0; i<ED_NUM_TEXTINPUT; i++)
2987   {
2988     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2989     int gd_x, gd_y;
2990     struct GadgetInfo *gi;
2991     unsigned long event_mask;
2992     char infotext[MAX_OUTPUT_LINESIZE + 1];
2993     int id = textinput_info[i].gadget_id;
2994
2995     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2996
2997     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2998     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2999
3000     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
3001     infotext[max_infotext_len] = '\0';
3002
3003     gi = CreateGadget(GDI_CUSTOM_ID, id,
3004                       GDI_CUSTOM_TYPE_ID, i,
3005                       GDI_INFO_TEXT, infotext,
3006                       GDI_X, SX + textinput_info[i].x,
3007                       GDI_Y, SY + textinput_info[i].y,
3008                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
3009                       GDI_TEXT_VALUE, textinput_info[i].value,
3010                       GDI_TEXT_SIZE, textinput_info[i].size,
3011                       GDI_TEXT_FONT, FONT_INPUT_1,
3012                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3013                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3014                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3015                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3016                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3017                       GDI_EVENT_MASK, event_mask,
3018                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3019                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
3020                       GDI_END);
3021
3022     if (gi == NULL)
3023       Error(ERR_EXIT, "cannot create gadget");
3024
3025     level_editor_gadget[id] = gi;
3026   }
3027 }
3028
3029 static void CreateSelectboxGadgets()
3030 {
3031   int max_infotext_len = getMaxInfoTextLength();
3032   int i, j;
3033
3034   for (i=0; i<ED_NUM_SELECTBOX; i++)
3035   {
3036     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3037     int gd_x, gd_y;
3038     int xoffset = 0;
3039     struct GadgetInfo *gi;
3040     unsigned long event_mask;
3041     char infotext[MAX_OUTPUT_LINESIZE + 1];
3042     int id = selectbox_info[i].gadget_id;
3043
3044     if (selectbox_info[i].size == -1)   /* dynamically determine size */
3045     {
3046       /* (we cannot use -1 for uninitialized values if we directly compare
3047          with results from strlen(), because the '<' and '>' operation will
3048          implicitely cast -1 to an unsigned integer value!) */
3049       selectbox_info[i].size = 0;
3050
3051       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
3052         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
3053           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
3054
3055       selectbox_info[i].size++;         /* add one character empty space */
3056     }
3057
3058     event_mask = GD_EVENT_RELEASED |
3059       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3060
3061     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
3062     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
3063
3064     /* determine horizontal offset for leading selectbox text */
3065     if (selectbox_info[i].text_left != NULL)
3066       xoffset = (getFontWidth(FONT_TEXT_1) *
3067                  strlen(selectbox_info[i].text_left) +
3068                  ED_GADGET_TEXT_DISTANCE);
3069
3070     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
3071     infotext[max_infotext_len] = '\0';
3072
3073     gi = CreateGadget(GDI_CUSTOM_ID, id,
3074                       GDI_CUSTOM_TYPE_ID, i,
3075                       GDI_INFO_TEXT, infotext,
3076                       GDI_X, SX + selectbox_info[i].x + xoffset,
3077                       GDI_Y, SY + selectbox_info[i].y,
3078                       GDI_TYPE, GD_TYPE_SELECTBOX,
3079                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
3080                       GDI_TEXT_SIZE, selectbox_info[i].size,
3081                       GDI_TEXT_FONT, FONT_INPUT_1,
3082                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3083                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3084                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3085                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3086                       GDI_BORDER_SIZE_SELECTBUTTON, getFontWidth(FONT_INPUT_1),
3087                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3088                       GDI_EVENT_MASK, event_mask,
3089                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3090                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
3091                       GDI_END);
3092
3093     if (gi == NULL)
3094       Error(ERR_EXIT, "cannot create gadget");
3095
3096     level_editor_gadget[id] = gi;
3097   }
3098 }
3099
3100 static void CreateTextbuttonGadgets()
3101 {
3102   int max_infotext_len = getMaxInfoTextLength();
3103   int i;
3104
3105   for (i=0; i<ED_NUM_TEXTBUTTON; i++)
3106   {
3107     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3108     int gd_x1, gd_x2, gd_y1, gd_y2;
3109     struct GadgetInfo *gi;
3110     unsigned long event_mask;
3111     char infotext[MAX_OUTPUT_LINESIZE + 1];
3112     int id = textbutton_info[i].gadget_id;
3113
3114     if (textbutton_info[i].size == -1)  /* dynamically determine size */
3115       textbutton_info[i].size = strlen(textbutton_info[i].text);
3116
3117     event_mask = GD_EVENT_RELEASED;
3118
3119     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
3120     {
3121       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
3122       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
3123       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
3124       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
3125     }
3126     else
3127     {
3128       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
3129       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
3130       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
3131       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
3132     }
3133
3134     sprintf(infotext, "%s", textbutton_info[i].infotext);
3135     infotext[max_infotext_len] = '\0';
3136
3137     gi = CreateGadget(GDI_CUSTOM_ID, id,
3138                       GDI_CUSTOM_TYPE_ID, i,
3139                       GDI_INFO_TEXT, infotext,
3140                       GDI_X, SX + textbutton_info[i].x,
3141                       GDI_Y, SY + textbutton_info[i].y,
3142                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
3143                       GDI_TEXT_VALUE, textbutton_info[i].text,
3144                       GDI_TEXT_SIZE, textbutton_info[i].size,
3145                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
3146                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
3147                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3148                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3149                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3150                       GDI_BORDER_SIZE, ED_BORDER2_SIZE, ED_BORDER_SIZE,
3151                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3152                       GDI_DECORATION_SHIFTING, 1, 1,
3153                       GDI_EVENT_MASK, event_mask,
3154                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3155                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
3156                       GDI_END);
3157
3158     if (gi == NULL)
3159       Error(ERR_EXIT, "cannot create gadget");
3160
3161     level_editor_gadget[id] = gi;
3162   }
3163 }
3164
3165 static void CreateScrollbarGadgets()
3166 {
3167   int i;
3168
3169   for (i=0; i<ED_NUM_SCROLLBARS; i++)
3170   {
3171     int id = scrollbar_info[i].gadget_id;
3172     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3173     int gd_x1, gd_x2, gd_y1, gd_y2;
3174     struct GadgetInfo *gi;
3175     int items_max, items_visible, item_position;
3176     unsigned long event_mask;
3177
3178     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
3179     {
3180       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
3181       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
3182       item_position = 0;
3183     }
3184     else        /* drawing area scrollbars */
3185     {
3186       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
3187       {
3188         items_max = MAX(lev_fieldx + 2, ed_fieldx);
3189         items_visible = ed_fieldx;
3190         item_position = 0;
3191       }
3192       else
3193       {
3194         items_max = MAX(lev_fieldy + 2, ed_fieldy);
3195         items_visible = ed_fieldy;
3196         item_position = 0;
3197       }
3198     }
3199
3200     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
3201
3202     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
3203     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
3204                       scrollbar_info[i].height : scrollbar_info[i].width));
3205     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3206     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3207
3208     gi = CreateGadget(GDI_CUSTOM_ID, id,
3209                       GDI_CUSTOM_TYPE_ID, i,
3210                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
3211                       GDI_X, scrollbar_info[i].x,
3212                       GDI_Y, scrollbar_info[i].y,
3213                       GDI_WIDTH, scrollbar_info[i].width,
3214                       GDI_HEIGHT, scrollbar_info[i].height,
3215                       GDI_TYPE, scrollbar_info[i].type,
3216                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
3217                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3218                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
3219                       GDI_STATE, GD_BUTTON_UNPRESSED,
3220                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3221                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3222                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3223                       GDI_EVENT_MASK, event_mask,
3224                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3225                       GDI_CALLBACK_ACTION, HandleControlButtons,
3226                       GDI_END);
3227
3228     if (gi == NULL)
3229       Error(ERR_EXIT, "cannot create gadget");
3230
3231     level_editor_gadget[id] = gi;
3232   }
3233 }
3234
3235 static void CreateCheckbuttonGadgets()
3236 {
3237   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3238   struct GadgetInfo *gi;
3239   unsigned long event_mask;
3240   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3241   boolean checked;
3242   int i;
3243
3244   event_mask = GD_EVENT_PRESSED;
3245
3246   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3247   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3248   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3249   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3250   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3251
3252   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
3253   {
3254     int id = radiobutton_info[i].gadget_id;
3255
3256     checked =
3257       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3258
3259     gi = CreateGadget(GDI_CUSTOM_ID, id,
3260                       GDI_CUSTOM_TYPE_ID, i,
3261                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
3262                       GDI_X, SX + radiobutton_info[i].x,
3263                       GDI_Y, SY + radiobutton_info[i].y,
3264                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3265                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3266                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
3267                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
3268                       GDI_CHECKED, checked,
3269                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3270                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3271                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3272                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3273                       GDI_EVENT_MASK, event_mask,
3274                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3275                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
3276                       GDI_END);
3277
3278     if (gi == NULL)
3279       Error(ERR_EXIT, "cannot create gadget");
3280
3281     level_editor_gadget[id] = gi;
3282   }
3283
3284   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
3285   {
3286     int id = checkbutton_info[i].gadget_id;
3287
3288     if (id == GADGET_ID_STICK_ELEMENT)
3289       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
3290     else
3291       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
3292
3293     gi = CreateGadget(GDI_CUSTOM_ID, id,
3294                       GDI_CUSTOM_TYPE_ID, i,
3295                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
3296                       GDI_X, SX + checkbutton_info[i].x,
3297                       GDI_Y, SY + checkbutton_info[i].y,
3298                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3299                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3300                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
3301                       GDI_CHECKED, *checkbutton_info[i].value,
3302                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3303                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3304                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3305                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3306                       GDI_EVENT_MASK, event_mask,
3307                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3308                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
3309                       GDI_END);
3310
3311     if (gi == NULL)
3312       Error(ERR_EXIT, "cannot create gadget");
3313
3314     level_editor_gadget[id] = gi;
3315   }
3316 }
3317
3318 void CreateLevelEditorGadgets()
3319 {
3320   int old_game_status = game_status;
3321
3322   /* setting 'game_status' is needed to get the right fonts for the editor */
3323   game_status = GAME_MODE_EDITOR;
3324
3325   ReinitializeElementList();
3326
3327   CreateControlButtons();
3328   CreateCounterButtons();
3329   CreateDrawingAreas();
3330   CreateTextInputGadgets();
3331   CreateSelectboxGadgets();
3332   CreateTextbuttonGadgets();
3333   CreateScrollbarGadgets();
3334   CreateCheckbuttonGadgets();
3335
3336   game_status = old_game_status;
3337 }
3338
3339 void FreeLevelEditorGadgets()
3340 {
3341   int i;
3342
3343   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3344     FreeGadget(level_editor_gadget[i]);
3345 }
3346
3347 static void MapCounterButtons(int id)
3348 {
3349   char infotext[MAX_OUTPUT_LINESIZE + 1];
3350   int max_infotext_len = getMaxInfoTextLength();
3351   int xoffset_above = 0;
3352   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3353   int xoffset_left = 0;
3354   int yoffset_left = ED_BORDER_SIZE;
3355   int xoffset_right = getCounterGadgetWidth();
3356   int yoffset_right = ED_BORDER_SIZE;
3357   int x, y;
3358
3359   if (counterbutton_info[id].text_above)
3360   {
3361     x = SX + counterbutton_info[id].x + xoffset_above;
3362     y = SY + counterbutton_info[id].y + yoffset_above;
3363
3364     sprintf(infotext, "%s:", counterbutton_info[id].text_above);
3365     infotext[max_infotext_len] = '\0';
3366     DrawText(x, y, infotext, FONT_TEXT_1);
3367   }
3368
3369   if (counterbutton_info[id].text_left)
3370   {
3371     x = SX + counterbutton_info[id].x + xoffset_left;
3372     y = SY + counterbutton_info[id].y + yoffset_left;
3373
3374     sprintf(infotext, "%s", counterbutton_info[id].text_left);
3375     infotext[max_infotext_len] = '\0';
3376     DrawText(x, y, infotext, FONT_TEXT_1);
3377   }
3378
3379   if (counterbutton_info[id].text_right)
3380   {
3381     int gadget_id = counterbutton_info[id].gadget_id_down;
3382
3383     x = level_editor_gadget[gadget_id]->x + xoffset_right;
3384     y = SY + counterbutton_info[id].y + yoffset_right;
3385
3386     sprintf(infotext, "%s", counterbutton_info[id].text_right);
3387     infotext[max_infotext_len] = '\0';
3388     DrawText(x, y, infotext, FONT_TEXT_1);
3389   }
3390
3391   ModifyEditorCounter(id, *counterbutton_info[id].value);
3392
3393   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
3394   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
3395   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
3396 }
3397
3398 static void MapControlButtons()
3399 {
3400   int counter_id;
3401   int i;
3402
3403   /* map toolbox buttons */
3404   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
3405     MapGadget(level_editor_gadget[i]);
3406
3407   /* map buttons to select elements */
3408   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3409     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
3410   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
3411   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
3412   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
3413
3414   /* map buttons to select level */
3415   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
3416   ModifyEditorCounterLimits(counter_id,
3417                             leveldir_current->first_level,
3418                             leveldir_current->last_level);
3419   MapCounterButtons(counter_id);
3420 }
3421
3422 static void MapDrawingArea(int id)
3423 {
3424   MapGadget(level_editor_gadget[id]);
3425 }
3426
3427 static void MapTextInputGadget(int id)
3428 {
3429   char infotext[MAX_OUTPUT_LINESIZE + 1];
3430   int max_infotext_len = getMaxInfoTextLength();
3431   int xoffset_above = 0;
3432   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3433   int x = textinput_info[id].x + xoffset_above;
3434   int y = textinput_info[id].y + yoffset_above;
3435
3436   if (textinput_info[id].infotext)
3437   {
3438     sprintf(infotext, "%s:", textinput_info[id].infotext);
3439     infotext[max_infotext_len] = '\0';
3440     DrawTextF(x, y, FONT_TEXT_1, infotext);
3441   }
3442
3443   ModifyGadget(level_editor_gadget[textinput_info[id].gadget_id],
3444                GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
3445
3446   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
3447 }
3448
3449 static void MapSelectboxGadget(int id)
3450 {
3451   int xoffset_left = 0;
3452   int yoffset_left = ED_BORDER_SIZE;
3453   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
3454   int yoffset_right = ED_BORDER_SIZE;
3455   int x = selectbox_info[id].x + xoffset_left;
3456   int y = selectbox_info[id].y + yoffset_left;
3457
3458   DrawTextF(x, y, FONT_TEXT_1, selectbox_info[id].text_left);
3459
3460   if (selectbox_info[id].text_right)
3461   {
3462     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
3463
3464     x = gi->x + gi->width + xoffset_right;
3465     y = SY + selectbox_info[id].y + yoffset_right;
3466
3467     DrawText(x, y, selectbox_info[id].text_right, FONT_TEXT_1);
3468   }
3469
3470   ModifyEditorSelectbox(id, *selectbox_info[id].value);
3471
3472   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
3473 }
3474
3475 static void MapTextbuttonGadget(int id)
3476 {
3477   MapGadget(level_editor_gadget[textbutton_info[id].gadget_id]);
3478 }
3479
3480 static void MapRadiobuttonGadget(int id)
3481 {
3482   int xoffset_right = ED_XOFFSET_CHECKBOX;
3483   int yoffset_right = ED_BORDER_SIZE;
3484   int x = radiobutton_info[id].x + xoffset_right;
3485   int y = radiobutton_info[id].y + yoffset_right;
3486   boolean checked =
3487     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
3488
3489   DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[id].text_right);
3490   ModifyGadget(level_editor_gadget[radiobutton_info[id].gadget_id],
3491                GDI_CHECKED, checked, GDI_END);
3492
3493   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
3494 }
3495
3496 static void MapCheckbuttonGadget(int id)
3497 {
3498   int xoffset_right = ED_XOFFSET_CHECKBOX;
3499   int yoffset_right = ED_BORDER_SIZE;
3500   int x = checkbutton_info[id].x + xoffset_right;
3501   int y = checkbutton_info[id].y + yoffset_right;
3502
3503   DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[id].text_right);
3504   ModifyGadget(level_editor_gadget[checkbutton_info[id].gadget_id],
3505                GDI_CHECKED, *checkbutton_info[id].value,
3506                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
3507
3508   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
3509 }
3510
3511 static void MapMainDrawingArea()
3512 {
3513   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
3514   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
3515   int i;
3516
3517   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
3518   {
3519     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
3520           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
3521          no_horizontal_scrollbar) ||
3522         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
3523           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
3524          no_vertical_scrollbar))
3525       continue;
3526
3527     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
3528   }
3529
3530   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
3531   {
3532     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
3533         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
3534       continue;
3535
3536     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
3537   }
3538
3539   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
3540 }
3541
3542 static void UnmapDrawingArea(int id)
3543 {
3544   UnmapGadget(level_editor_gadget[id]);
3545 }
3546
3547 void UnmapLevelEditorWindowGadgets()
3548 {
3549   int i;
3550
3551   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3552     if (level_editor_gadget[i]->x < SX + SXSIZE)
3553       UnmapGadget(level_editor_gadget[i]);
3554 }
3555
3556 void UnmapLevelEditorGadgets()
3557 {
3558   int i;
3559
3560   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3561     UnmapGadget(level_editor_gadget[i]);
3562 }
3563
3564 static void ResetUndoBuffer()
3565 {
3566   undo_buffer_position = -1;
3567   undo_buffer_steps = -1;
3568   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3569 }
3570
3571 static void DrawEditModeWindow()
3572 {
3573   if (edit_mode == ED_MODE_INFO)
3574     DrawLevelInfoWindow();
3575   else if (edit_mode == ED_MODE_PROPERTIES)
3576     DrawPropertiesWindow();
3577   else  /* edit_mode == ED_MODE_DRAWING */
3578     DrawDrawingWindow();
3579 }
3580
3581 static boolean LevelChanged()
3582 {
3583   boolean level_changed = FALSE;
3584   int x, y;
3585
3586   for(y=0; y<lev_fieldy; y++)
3587     for(x=0; x<lev_fieldx; x++)
3588       if (Feld[x][y] != Ur[x][y])
3589         level_changed = TRUE;
3590
3591   return level_changed;
3592 }
3593
3594 static boolean LevelContainsPlayer()
3595 {
3596   boolean player_found = FALSE;
3597   int x, y;
3598
3599   for(y=0; y<lev_fieldy; y++)
3600     for(x=0; x<lev_fieldx; x++)
3601       if (Feld[x][y] == EL_PLAYER_1 ||
3602           Feld[x][y] == EL_SP_MURPHY)
3603         player_found = TRUE;
3604
3605   return player_found;
3606 }
3607
3608 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
3609                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
3610 {
3611   int x, y;
3612
3613   for(x=0; x<lev_fieldx; x++)
3614     for(y=0; y<lev_fieldy; y++)
3615       dst[x][y] = src[x][y];
3616 }
3617
3618 static void CopyCustomElementPropertiesToEditor(int element)
3619 {
3620   int i;
3621
3622   /* needed here to initialize combined element properties */
3623   InitElementPropertiesEngine(level.game_version);
3624
3625   custom_element = element_info[properties_element];
3626
3627   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3628     custom_element_properties[i] = HAS_PROPERTY(element, i);
3629
3630   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3631     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
3632
3633   /* ---------- element settings: configure (custom elements) ------------- */
3634
3635   /* set accessible layer selectbox help value */
3636   custom_element.access_type =
3637     (IS_WALKABLE(element) ? EP_WALKABLE :
3638      IS_PASSABLE(element) ? EP_PASSABLE :
3639      custom_element.access_type);
3640   custom_element.access_layer =
3641     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
3642      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
3643      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
3644      custom_element.access_layer);
3645   custom_element_properties[EP_ACCESSIBLE] =
3646     (IS_ACCESSIBLE_OVER(element) ||
3647      IS_ACCESSIBLE_INSIDE(element) ||
3648      IS_ACCESSIBLE_UNDER(element));
3649
3650   /* set walk-to-object action selectbox help value */
3651   custom_element.walk_to_action =
3652     (IS_DIGGABLE(element) ? EP_DIGGABLE :
3653      IS_COLLECTIBLE(element) ? EP_COLLECTIBLE :
3654      IS_PUSHABLE(element) ? EP_PUSHABLE :
3655      custom_element.walk_to_action);
3656   custom_element_properties[EP_WALK_TO_OBJECT] =
3657     (IS_DIGGABLE(element) ||
3658      IS_COLLECTIBLE(element) ||
3659      IS_PUSHABLE(element));
3660
3661   /* set smash targets selectbox help value */
3662   custom_element.smash_targets =
3663     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
3664      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
3665      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
3666      custom_element.smash_targets);
3667   custom_element_properties[EP_CAN_SMASH] =
3668     (CAN_SMASH_EVERYTHING(element) ||
3669      CAN_SMASH_ENEMIES(element) ||
3670      CAN_SMASH_PLAYER(element));
3671
3672   /* set deadliness selectbox help value */
3673   custom_element.deadliness =
3674     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
3675      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
3676      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
3677      custom_element.deadliness);
3678   custom_element_properties[EP_DEADLY] =
3679     (DONT_TOUCH(element) ||
3680      DONT_COLLIDE_WITH(element) ||
3681      DONT_RUN_INTO(element));
3682
3683   /* set consistency selectbox help value */
3684   custom_element.consistency =
3685     (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
3686      CAN_EXPLODE(element) ? EP_CAN_EXPLODE :
3687      custom_element.consistency);
3688   custom_element_properties[EP_EXPLODE_RESULT] =
3689     (IS_INDESTRUCTIBLE(element) ||
3690      CAN_EXPLODE(element));
3691
3692   /* special case: sub-settings dependent from main setting */
3693   if (CAN_EXPLODE_BY_FIRE(element))
3694     custom_element.can_explode_by_fire = TRUE;
3695   if (CAN_EXPLODE_SMASHED(element))
3696     custom_element.can_explode_smashed = TRUE;
3697   if (CAN_EXPLODE_IMPACT(element))
3698     custom_element.can_explode_impact  = TRUE;
3699
3700   /* ---------- element settings: advanced (custom elements) --------------- */
3701
3702   /* set change by player selectbox help value */
3703   custom_element.change_player_action =
3704     (HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
3705      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
3706      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
3707      custom_element.change_player_action);
3708
3709   /* set change by collision selectbox help value */
3710   custom_element.change_collide_action =
3711     (HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
3712      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
3713      HAS_CHANGE_EVENT(element, CE_COLLISION) ? CE_COLLISION :
3714      custom_element.change_collide_action);
3715
3716   /* set change by other element action selectbox help value */
3717   custom_element.change_other_action =
3718     (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
3719      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
3720      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
3721      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
3722      HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
3723      HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
3724      HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
3725      custom_element.change_other_action);
3726 }
3727
3728 static void CopyCustomElementPropertiesToGame(int element)
3729 {
3730   int i;
3731   int access_type_and_layer;
3732
3733   element_info[properties_element] = custom_element;
3734
3735   /* ---------- element settings: configure (custom elements) ------------- */
3736
3737   /* set accessible property from checkbox and selectbox */
3738   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
3739   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
3740   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
3741   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
3742   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
3743   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
3744   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
3745                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
3746                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
3747   custom_element_properties[access_type_and_layer] =
3748     custom_element_properties[EP_ACCESSIBLE];
3749
3750   /* set walk-to-object property from checkbox and selectbox */
3751   custom_element_properties[EP_DIGGABLE] = FALSE;
3752   custom_element_properties[EP_COLLECTIBLE] = FALSE;
3753   custom_element_properties[EP_PUSHABLE] = FALSE;
3754   custom_element_properties[custom_element.walk_to_action] =
3755     custom_element_properties[EP_WALK_TO_OBJECT];
3756
3757   /* set smash property from checkbox and selectbox */
3758   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
3759   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
3760   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
3761   custom_element_properties[custom_element.smash_targets] =
3762     custom_element_properties[EP_CAN_SMASH];
3763
3764   /* set deadliness property from checkbox and selectbox */
3765   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
3766   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
3767   custom_element_properties[EP_DONT_TOUCH] = FALSE;
3768   custom_element_properties[custom_element.deadliness] =
3769     custom_element_properties[EP_DEADLY];
3770
3771   /* set consistency property from checkbox and selectbox */
3772   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
3773   custom_element_properties[EP_CAN_EXPLODE] = FALSE;
3774   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
3775   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
3776   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
3777   custom_element_properties[custom_element.consistency] =
3778     custom_element_properties[EP_EXPLODE_RESULT];
3779
3780   /* special case: sub-settings dependent from main setting */
3781   if (custom_element_properties[EP_CAN_EXPLODE])
3782   {
3783     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
3784       custom_element.can_explode_by_fire;
3785     custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
3786       custom_element.can_explode_smashed;
3787     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
3788       custom_element.can_explode_impact;
3789   }
3790
3791   /* ---------- element settings: advanced (custom elements) --------------- */
3792
3793   /* set player change event from checkbox and selectbox */
3794   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
3795   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
3796   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
3797   custom_element_change_events[custom_element.change_player_action] =
3798     custom_element_change_events[CE_BY_PLAYER];
3799
3800   /* set collision change event from checkbox and selectbox */
3801   custom_element_change_events[CE_COLLISION] = FALSE;
3802   custom_element_change_events[CE_IMPACT] = FALSE;
3803   custom_element_change_events[CE_SMASHED] = FALSE;
3804   custom_element_change_events[custom_element.change_collide_action] =
3805     custom_element_change_events[CE_BY_COLLISION];
3806
3807   /* set other element action change event from checkbox and selectbox */
3808   custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
3809   custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
3810   custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
3811   custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
3812   custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
3813   custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
3814   custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
3815   custom_element_change_events[custom_element.change_other_action] =
3816     custom_element_change_events[CE_BY_OTHER];
3817
3818   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3819     SET_PROPERTY(element, i, custom_element_properties[i]);
3820
3821   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3822     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
3823
3824   /* copy change events also to special level editor variable */
3825   custom_element = element_info[properties_element];
3826 }
3827
3828 void DrawLevelEd()
3829 {
3830   CloseDoor(DOOR_CLOSE_ALL);
3831   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
3832
3833   if (level_editor_test_game)
3834   {
3835     CopyPlayfield(Ur, Feld);
3836     CopyPlayfield(FieldBackup, Ur);
3837
3838     level_editor_test_game = FALSE;
3839   }
3840   else
3841   {
3842     edit_mode = ED_MODE_DRAWING;
3843     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
3844
3845     ResetUndoBuffer();
3846
3847     level_xpos = -1;
3848     level_ypos = -1;
3849   }
3850
3851   /* copy default editor door content to main double buffer */
3852   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3853              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
3854
3855   /* draw mouse button brush elements */
3856   DrawMiniGraphicExt(drawto,
3857                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3858                      el2edimg(new_element1));
3859   DrawMiniGraphicExt(drawto,
3860                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3861                      el2edimg(new_element2));
3862   DrawMiniGraphicExt(drawto,
3863                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3864                      el2edimg(new_element3));
3865
3866   /* draw bigger door */
3867   DrawSpecialEditorDoor();
3868
3869   /* draw new control window */
3870   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3871              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
3872
3873   redraw_mask |= REDRAW_ALL;
3874
3875   ReinitializeElementListButtons();     /* only needed after setup changes */
3876   ModifyEditorElementList();            /* may be needed for custom elements */
3877
3878   UnmapTapeButtons();
3879   MapControlButtons();
3880
3881   /* copy actual editor door content to door double buffer for OpenDoor() */
3882   BlitBitmap(drawto, bitmap_db_door,
3883              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
3884
3885   DrawEditModeWindow();
3886
3887   OpenDoor(DOOR_OPEN_1);
3888 }
3889
3890 static void AdjustDrawingAreaGadgets()
3891 {
3892   int ed_xsize = lev_fieldx + 2;
3893   int ed_ysize = lev_fieldy + 2;
3894   int max_ed_fieldx = MAX_ED_FIELDX;
3895   int max_ed_fieldy = MAX_ED_FIELDY;
3896   boolean horizontal_scrollbar_needed;
3897   boolean vertical_scrollbar_needed;
3898   int x, y, width, height;
3899   int xoffset, yoffset;
3900
3901   /* check if we need any scrollbars */
3902   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3903   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3904
3905   /* check if we have a smaller editor field because of scrollbars */
3906   if (horizontal_scrollbar_needed)
3907     max_ed_fieldy = MAX_ED_FIELDY - 1;
3908   if (vertical_scrollbar_needed)
3909     max_ed_fieldx = MAX_ED_FIELDX - 1;
3910
3911   /* check again if we now need more scrollbars because of less space */
3912   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3913   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3914
3915   /* check if editor field gets even smaller after adding new scrollbars */
3916   if (horizontal_scrollbar_needed)
3917     max_ed_fieldy = MAX_ED_FIELDY - 1;
3918   if (vertical_scrollbar_needed)
3919     max_ed_fieldx = MAX_ED_FIELDX - 1;
3920
3921   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
3922   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
3923
3924   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
3925                GDI_WIDTH, ed_fieldx * MINI_TILEX,
3926                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
3927                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
3928                GDI_END);
3929
3930   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
3931   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
3932
3933   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
3934   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
3935
3936   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
3937   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
3938
3939   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
3940   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
3941
3942   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3943                GDI_WIDTH, width,
3944                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
3945                GDI_END);
3946   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
3947                GDI_HEIGHT, height,
3948                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
3949                GDI_END);
3950 }
3951
3952 static void AdjustLevelScrollPosition()
3953 {
3954   if (level_xpos < -1)
3955     level_xpos = -1;
3956   if (level_xpos > lev_fieldx - ed_fieldx + 1)
3957     level_xpos = lev_fieldx - ed_fieldx + 1;
3958   if (lev_fieldx < ed_fieldx - 2)
3959     level_xpos = -1;
3960
3961   if (level_ypos < -1)
3962     level_ypos = -1;
3963   if (level_ypos > lev_fieldy - ed_fieldy + 1)
3964     level_ypos = lev_fieldy - ed_fieldy + 1;
3965   if (lev_fieldy < ed_fieldy - 2)
3966     level_ypos = -1;
3967 }
3968
3969 static void AdjustEditorScrollbar(int id)
3970 {
3971   struct GadgetInfo *gi = level_editor_gadget[id];
3972   int items_max, items_visible, item_position;
3973
3974   if (id == GADGET_ID_SCROLL_HORIZONTAL)
3975   {
3976     items_max = MAX(lev_fieldx + 2, ed_fieldx);
3977     items_visible = ed_fieldx;
3978     item_position = level_xpos + 1;
3979   }
3980   else
3981   {
3982     items_max = MAX(lev_fieldy + 2, ed_fieldy);
3983     items_visible = ed_fieldy;
3984     item_position = level_ypos + 1;
3985   }
3986
3987   if (item_position > items_max - items_visible)
3988     item_position = items_max - items_visible;
3989
3990   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
3991                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
3992 }
3993
3994 static void ModifyEditorCounter(int counter_id, int new_value)
3995 {
3996   int *counter_value = counterbutton_info[counter_id].value;
3997   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3998   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3999
4000   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
4001
4002   if (counter_value != NULL)
4003     *counter_value = gi->text.number_value;
4004 }
4005
4006 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
4007 {
4008   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4009   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4010
4011   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
4012 }
4013
4014 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
4015 {
4016   int gadget_id = selectbox_info[selectbox_id].gadget_id;
4017   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4018   int new_index_value = 0;
4019   int i;
4020
4021   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
4022     if (selectbox_info[selectbox_id].options[i].value == new_value)
4023       new_index_value = i;
4024
4025   *selectbox_info[selectbox_id].value =
4026     selectbox_info[selectbox_id].options[new_index_value].value;
4027
4028   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
4029 }
4030
4031 static void ModifyEditorElementList()
4032 {
4033   int i;
4034
4035   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4036   {
4037     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4038     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4039     struct GadgetDesign *gd = &gi->deco.design;
4040     int element = editor_elements[element_shift + i];
4041
4042     UnmapGadget(gi);
4043     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
4044     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4045     MapGadget(gi);
4046   }
4047 }
4048
4049 static void PickDrawingElement(int button, int element)
4050 {
4051   if (button < 1 || button > 3)
4052     return;
4053
4054   if (button == 1)
4055   {
4056     new_element1 = element;
4057     DrawMiniGraphicExt(drawto,
4058                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
4059                        el2edimg(new_element1));
4060   }
4061   else if (button == 2)
4062   {
4063     new_element2 = element;
4064     DrawMiniGraphicExt(drawto,
4065                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
4066                        el2edimg(new_element2));
4067   }
4068   else
4069   {
4070     new_element3 = element;
4071     DrawMiniGraphicExt(drawto,
4072                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
4073                        el2edimg(new_element3));
4074   }
4075
4076   redraw_mask |= REDRAW_DOOR_1;
4077 }
4078
4079 static void RedrawDrawingElements()
4080 {
4081   PickDrawingElement(1, new_element1);
4082   PickDrawingElement(2, new_element2);
4083   PickDrawingElement(3, new_element3);
4084 }
4085
4086 static void DrawDrawingWindow()
4087 {
4088   stick_element_properties_window = FALSE;
4089
4090   SetMainBackgroundImage(IMG_UNDEFINED);
4091   ClearWindow();
4092   UnmapLevelEditorWindowGadgets();
4093
4094   AdjustDrawingAreaGadgets();
4095   AdjustLevelScrollPosition();
4096   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
4097   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
4098
4099   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4100   MapMainDrawingArea();
4101 }
4102
4103 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
4104                               boolean input)
4105 {
4106   int border_graphic =
4107     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
4108   Bitmap *src_bitmap;
4109   int src_x, src_y;
4110   int num_mini_tilex = width / MINI_TILEX + 1;
4111   int num_mini_tiley = width / MINI_TILEY + 1;
4112   int x, y;
4113
4114   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
4115
4116   for (y=0; y < num_mini_tiley; y++)
4117     for (x=0; x < num_mini_tilex; x++)
4118       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
4119                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
4120                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
4121
4122   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
4123 }
4124
4125 static void DrawRandomPlacementBackgroundArea()
4126 {
4127   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
4128   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
4129   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
4130   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
4131
4132   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4133   DrawMiniElement(area_x, area_y, random_placement_background_element);
4134
4135   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
4136 }
4137
4138 static void DrawLevelInfoWindow()
4139 {
4140   int i;
4141
4142   stick_element_properties_window = FALSE;
4143
4144   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4145   ClearWindow();
4146   UnmapLevelEditorWindowGadgets();
4147
4148   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4149            "Level Settings", FONT_TITLE_1);
4150   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
4151            "Editor Settings", FONT_TITLE_1);
4152
4153   /* draw counter gadgets */
4154   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
4155     MapCounterButtons(i);
4156
4157   /* draw checkbutton gadgets */
4158   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
4159     MapCheckbuttonGadget(i);
4160
4161   /* draw radiobutton gadgets */
4162   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
4163     MapRadiobuttonGadget(i);
4164
4165   /* draw text input gadgets */
4166   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
4167     MapTextInputGadget(i);
4168
4169   /* draw drawing area */
4170   DrawRandomPlacementBackgroundArea();
4171 }
4172
4173 static void DrawAmoebaContentArea()
4174 {
4175   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
4176   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
4177   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
4178   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
4179
4180   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4181   DrawMiniElement(area_x, area_y, level.amoeba_content);
4182
4183   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
4184
4185   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
4186 }
4187
4188 static void DrawCustomGraphicElementArea()
4189 {
4190   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_GRAPHIC];
4191   int xpos = ED_AREA_ELEM_CONTENT3_XPOS;
4192   int ypos = ED_AREA_ELEM_CONTENT3_YPOS;
4193   int area_sx = SX + xpos;
4194   int area_sy = SY + ypos;
4195
4196   if (!IS_CUSTOM_ELEMENT(properties_element))
4197   {
4198     /* this should never happen */
4199     Error(ERR_WARN, "element %d is no custom element", properties_element);
4200
4201     return;
4202   }
4203
4204   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4205   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4206                      el2edimg(custom_element.gfx_element));
4207
4208   MapDrawingArea(GADGET_ID_CUSTOM_GRAPHIC);
4209 }
4210
4211 static void DrawCustomContentArea()
4212 {
4213   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CONTENT];
4214   int area_sx = SX + ED_AREA_ELEM_CONTENT4_XPOS;
4215   int area_sy = SY + ED_AREA_ELEM_CONTENT4_YPOS;
4216   int x, y;
4217
4218   if (!IS_CUSTOM_ELEMENT(properties_element))
4219   {
4220     /* this should never happen */
4221     Error(ERR_WARN, "element %d is no custom element", properties_element);
4222
4223     return;
4224   }
4225
4226   DrawElementBorder(area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4227
4228   for (y=0; y<3; y++)
4229     for (x=0; x<3; x++)
4230       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
4231                          el2edimg(custom_element.content[x][y]));
4232
4233   MapDrawingArea(GADGET_ID_CUSTOM_CONTENT);
4234 }
4235
4236 static void DrawCustomChangeTargetArea()
4237 {
4238   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TARGET];
4239   int xpos = ED_AREA_ELEM_CONTENT2_XPOS;
4240   int ypos = ED_AREA_ELEM_CONTENT2_YPOS;
4241   int area_sx = SX + xpos;
4242   int area_sy = SY + ypos;
4243
4244   if (!IS_CUSTOM_ELEMENT(properties_element))
4245   {
4246     /* this should never happen */
4247     Error(ERR_WARN, "element %d is no custom element", properties_element);
4248
4249     return;
4250   }
4251
4252   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4253   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4254                      el2edimg(custom_element.change.target_element));
4255
4256   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TARGET);
4257 }
4258
4259 static void DrawCustomChangeContentArea()
4260 {
4261   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_CONTENT];
4262   int area_sx = SX + ED_AREA_ELEM_CONTENT6_XPOS;
4263   int area_sy = SY + ED_AREA_ELEM_CONTENT6_YPOS;
4264   int x, y;
4265
4266   if (!IS_CUSTOM_ELEMENT(properties_element))
4267   {
4268     /* this should never happen */
4269     Error(ERR_WARN, "element %d is no custom element", properties_element);
4270
4271     return;
4272   }
4273
4274   DrawElementBorder(area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4275
4276   for (y=0; y<3; y++)
4277     for (x=0; x<3; x++)
4278       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
4279                          el2edimg(custom_element.change.content[x][y]));
4280
4281   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_CONTENT);
4282 }
4283
4284 static void DrawCustomChangeTriggerArea()
4285 {
4286   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TRIGGER];
4287   int xpos = ED_AREA_ELEM_CONTENT5_XPOS;
4288   int ypos = ED_AREA_ELEM_CONTENT5_YPOS;
4289   int area_sx = SX + xpos;
4290   int area_sy = SY + ypos;
4291
4292   if (!IS_CUSTOM_ELEMENT(properties_element))
4293   {
4294     /* this should never happen */
4295     Error(ERR_WARN, "element %d is no custom element", properties_element);
4296
4297     return;
4298   }
4299
4300   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4301   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4302                      el2edimg(custom_element.change.trigger_element));
4303
4304   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TRIGGER);
4305 }
4306
4307 static void DrawElementContentAreas()
4308 {
4309   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
4310   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
4311   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
4312   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
4313   int i, x, y;
4314
4315   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
4316     UnmapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
4317
4318   /* display counter to choose number of element content areas */
4319   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
4320
4321   /* delete content areas in case of reducing number of them */
4322   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
4323
4324   for (i=0; i<level.num_yamyam_contents; i++)
4325     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
4326                       area_sy + 6 * (i / 4) * MINI_TILEY,
4327                       3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4328
4329   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
4330            "Content", FONT_TEXT_1);
4331   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
4332            "when",    FONT_TEXT_1);
4333   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
4334            "smashed", FONT_TEXT_1);
4335
4336   for (i=0; i<level.num_yamyam_contents; i++)
4337   {
4338     for (y=0; y<3; y++)
4339       for (x=0; x<3; x++)
4340         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
4341                         level.yamyam_content[i][x][y]);
4342
4343     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
4344               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
4345               FONT_TEXT_1, "%d", i + 1);
4346   }
4347
4348   for (i=0; i<level.num_yamyam_contents; i++)
4349     MapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
4350 }
4351
4352 char *getElementDescriptionFilename(int element)
4353 {
4354   char *docs_dir = options.docs_directory;
4355   char *elements_subdir = "elements";
4356   static char *filename = NULL;
4357   char basename[MAX_FILENAME_LEN];
4358
4359   if (filename != NULL)
4360     free(filename);
4361
4362   /* 1st try: look for element description file for exactly this element */
4363   sprintf(basename, "%s.txt", element_info[element].token_name);
4364   filename = getPath3(docs_dir, elements_subdir, basename);
4365   if (fileExists(filename))
4366     return filename;
4367
4368   free(filename);
4369
4370   /* 2nd try: look for element description file for this element's class */
4371   sprintf(basename, "%s.txt", element_info[element].class_name);
4372   filename = getPath3(docs_dir, elements_subdir, basename);
4373   if (fileExists(filename))
4374     return filename;
4375
4376   return NULL;
4377 }
4378
4379 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
4380 {
4381   int font_height = getFontHeight(font_nr);
4382   int pad_x = ED_SETTINGS_XPOS(0);
4383   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4384   int sx = SX + pad_x;
4385   int sy = SY + pad_y;
4386   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
4387
4388   if (screen_line >= max_lines_per_screen)
4389     return FALSE;
4390
4391   DrawText(sx, sy + screen_line * font_height, text, font_nr);
4392
4393   return TRUE;
4394 }
4395
4396 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
4397 {
4398   int font_nr = FONT_TEXT_2;
4399   int font_width = getFontWidth(font_nr);
4400   int pad_x = ED_SETTINGS_XPOS(0);
4401   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
4402   char line[MAX_LINE_LEN];
4403   char buffer[max_chars_per_line + 1];
4404   int buffer_len;
4405   int lines_printed = 0;
4406   FILE *file;
4407
4408   if (filename == NULL)
4409     return 0;
4410
4411   if (!(file = fopen(filename, MODE_READ)))
4412     return 0;
4413
4414   buffer[0] = '\0';
4415   buffer_len = 0;
4416
4417   while(!feof(file))
4418   {
4419     char *line_ptr, *word_ptr;
4420     boolean last_line_was_empty = TRUE;
4421
4422     /* read next line of input file */
4423     if (!fgets(line, MAX_LINE_LEN, file))
4424       break;
4425
4426     /* skip comments (lines directly beginning with '#') */
4427     if (line[0] == '#')
4428       continue;
4429
4430     /* cut trailing newline from input line */
4431     for (line_ptr = line; *line_ptr; line_ptr++)
4432     {
4433       if (*line_ptr == '\n' || *line_ptr == '\r')
4434       {
4435         *line_ptr = '\0';
4436         break;
4437       }
4438     }
4439
4440     if (strlen(line) == 0)              /* special case: force empty line */
4441       strcpy(line, "\n");
4442
4443     word_ptr = line;
4444
4445     while (*word_ptr)
4446     {
4447       boolean print_buffer = FALSE;
4448       int word_len;
4449
4450       /* skip leading whitespaces */
4451       while (*word_ptr == ' ' || *word_ptr == '\t')
4452         word_ptr++;
4453
4454       line_ptr = word_ptr;
4455       word_len = 0;
4456
4457       /* look for end of next word */
4458       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
4459       {
4460         line_ptr++;
4461         word_len++;
4462       }
4463
4464       if (word_len == 0)
4465       {
4466         continue;
4467       }
4468       else if (*word_ptr == '\n')       /* special case: force empty line */
4469       {
4470         if (buffer_len == 0)
4471           word_ptr++;
4472
4473         /* prevent printing of multiple empty lines */
4474         if (buffer_len > 0 || !last_line_was_empty)
4475           print_buffer = TRUE;
4476       }
4477       else if (word_len < max_chars_per_line - buffer_len)
4478       {
4479         /* word fits into text buffer -- add word */
4480
4481         if (buffer_len > 0)
4482           buffer[buffer_len++] = ' ';
4483
4484         strncpy(&buffer[buffer_len], word_ptr, word_len);
4485         buffer_len += word_len;
4486         buffer[buffer_len] = '\0';
4487         word_ptr += word_len;
4488       }
4489       else if (buffer_len > 0)
4490       {
4491         /* not enough space left for word in text buffer -- print buffer */
4492
4493         print_buffer = TRUE;
4494       }
4495       else
4496       {
4497         /* word does not fit at all into empty text buffer -- cut word */
4498
4499         strncpy(buffer, word_ptr, max_chars_per_line);
4500         buffer[max_chars_per_line] = '\0';
4501         word_ptr += max_chars_per_line;
4502         print_buffer = TRUE;
4503       }
4504
4505       if (print_buffer)
4506       {
4507         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4508           return lines_printed;
4509
4510         last_line_was_empty = (buffer_len == 0);
4511         lines_printed++;
4512
4513         buffer[0] = '\0';
4514         buffer_len = 0;
4515         print_buffer = FALSE;
4516       }
4517     }
4518   }
4519
4520   fclose(file);
4521
4522   if (buffer_len > 0)
4523     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4524       lines_printed++;
4525
4526   return lines_printed;
4527 }
4528
4529 static void DrawPropertiesTabulatorGadgets()
4530 {
4531   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
4532   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
4533   int gd_x = gd->x + gd_gi->border.width / 2;
4534   int gd_y = gd->y + gd_gi->height - 1;
4535   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
4536   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
4537   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
4538   int i;
4539
4540   /* draw additional "advanced" tabulator for custom elements */
4541   if (IS_CUSTOM_ELEMENT(properties_element))
4542     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
4543
4544   for (i=id_first; i <= id_last; i++)
4545   {
4546     int gadget_id = textbutton_info[i].gadget_id;
4547     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4548     boolean active = (i != edit_mode_properties);
4549
4550     /* draw background line below tabulator button */
4551     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
4552
4553     /* draw solid line below inactive tabulator buttons */
4554     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
4555       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
4556
4557     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
4558     MapTextbuttonGadget(i);
4559   }
4560
4561   /* draw little border line below tabulator buttons */
4562   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
4563     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
4564                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
4565                   ED_GADGET_DISTANCE, tab_color);
4566 }
4567
4568 static void DrawPropertiesInfo()
4569 {
4570   static struct
4571   {
4572     int value;
4573     char *text;
4574   }
4575   properties[] =
4576   {
4577     /* configurable properties */
4578     { EP_INDESTRUCTIBLE,        "- undestructible"                      },
4579     { EP_SLIPPERY,              "- slippery for falling objects"        },
4580     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
4581
4582     { EP_DIGGABLE,              "- diggable"                            },
4583     { EP_COLLECTIBLE,           "- collectible"                         },
4584     { EP_PUSHABLE,              "- pushable"                            },
4585
4586     { EP_CAN_MOVE,              "- can move"                            },
4587     { EP_CAN_FALL,              "- can fall"                            },
4588 #if 0
4589     { EP_CAN_SMASH,             "- can smash"                           },
4590 #endif
4591     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
4592     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
4593     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
4594     { EP_CAN_EXPLODE,           "- can explode"                         },
4595     { EP_CAN_EXPLODE_BY_FIRE,   "  - by fire or explosions"             },
4596     { EP_CAN_EXPLODE_SMASHED,   "  - when smashed"                      },
4597     { EP_CAN_EXPLODE_IMPACT,    "  - on impact"                         },
4598
4599     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
4600     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
4601     { EP_DONT_TOUCH,            "- deadly when touching"                },
4602
4603     { EP_WALKABLE_OVER,         "- player can walk over it"             },
4604     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
4605     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
4606     { EP_PASSABLE_OVER,         "- player can pass over it"             },
4607     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
4608     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
4609
4610     /* pre-defined properties */
4611     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
4612     { EP_HAS_CONTENT,           "- can contain other elements"          },
4613
4614     { -1,                       NULL                                    }
4615   };
4616   char *filename = getElementDescriptionFilename(properties_element);
4617   char *percentage_text = "In this level:";
4618   char *properties_text = "Standard properties:";
4619   float percentage;
4620   int num_elements_in_level;
4621   int num_standard_properties = 0;
4622   int font1_nr = FONT_TEXT_1;
4623   int font2_nr = FONT_TEXT_2;
4624   int font1_width = getFontWidth(font1_nr);
4625   int font2_height = getFontHeight(font2_nr);
4626   int pad_x = ED_SETTINGS_XPOS(0);
4627   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4628   int screen_line = 0;
4629   int i, x, y;
4630
4631   /* ----- print number of elements / percentage of this element in level */
4632
4633   num_elements_in_level = 0;
4634   for (y=0; y<lev_fieldy; y++)
4635     for (x=0; x<lev_fieldx; x++)
4636       if (Feld[x][y] == properties_element)
4637         num_elements_in_level++;
4638   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
4639
4640   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
4641             percentage_text);
4642   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
4643             pad_y + screen_line++ * font2_height, font2_nr,
4644             "%d (%.2f%%)", num_elements_in_level, percentage);
4645
4646   screen_line++;
4647
4648   /* ----- print standard properties of this element */
4649
4650   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
4651             properties_text);
4652
4653   for (i=0; properties[i].value != -1; i++)
4654   {
4655     if (!HAS_PROPERTY(properties_element, properties[i].value))
4656       continue;
4657
4658     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
4659               properties[i].text);
4660     num_standard_properties++;
4661   }
4662
4663   if (num_standard_properties == 0)
4664     DrawTextF(pad_x + strlen(properties_text) * font1_width,
4665               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
4666
4667   screen_line++;
4668
4669   /* ----- print special description of this element */
4670
4671   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
4672   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
4673     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
4674 }
4675
4676 #define TEXT_COLLECTING         "Score for collecting"
4677 #define TEXT_SMASHING           "Score for smashing"
4678 #define TEXT_CRACKING           "Score for cracking"
4679 #define TEXT_SPEED              "Speed of amoeba growth"
4680 #define TEXT_DURATION           "Duration when activated"
4681
4682 static struct
4683 {
4684   int element;
4685   int *value;
4686   char *text;
4687 } elements_with_counter[] =
4688 {
4689   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
4690   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
4691   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4692   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4693   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4694   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4695   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
4696   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
4697   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
4698   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
4699   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
4700   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
4701   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
4702   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
4703   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
4704   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
4705   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
4706   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
4707   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4708   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4709   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4710   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4711   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4712   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4713   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4714   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4715   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4716   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4717   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4718   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
4719   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
4720   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
4721   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4722   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4723   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
4724   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
4725   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
4726   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4727   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4728   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4729   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4730   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
4731   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
4732   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
4733   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
4734   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
4735   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4736   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4737   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4738   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4739   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
4740   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
4741   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
4742   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
4743   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
4744   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
4745   { -1,                 NULL,                           NULL            }
4746 };
4747
4748 static boolean checkPropertiesConfig()
4749 {
4750   int i;
4751
4752   if (IS_GEM(properties_element) ||
4753       IS_CUSTOM_ELEMENT(properties_element) ||
4754       HAS_CONTENT(properties_element))
4755     return TRUE;
4756   else
4757     for (i=0; elements_with_counter[i].element != -1; i++)
4758       if (elements_with_counter[i].element == properties_element)
4759         return TRUE;
4760
4761   return FALSE;
4762 }
4763
4764 static void DrawPropertiesConfig()
4765 {
4766   int i;
4767
4768   if (!checkPropertiesConfig())
4769   {
4770     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
4771
4772     return;
4773   }
4774
4775   /* check if there are elements where a score can be chosen for */
4776   for (i=0; elements_with_counter[i].element != -1; i++)
4777   {
4778     if (elements_with_counter[i].element == properties_element)
4779     {
4780       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
4781
4782       counterbutton_info[counter_id].value = elements_with_counter[i].value;
4783       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
4784       MapCounterButtons(counter_id);
4785
4786       break;
4787     }
4788   }
4789
4790   if (HAS_CONTENT(properties_element))
4791   {
4792     /* draw stickybutton gadget */
4793     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4794     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
4795     MapCheckbuttonGadget(i);
4796
4797     if (IS_AMOEBOID(properties_element))
4798       DrawAmoebaContentArea();
4799     else
4800       DrawElementContentAreas();
4801   }
4802
4803   if (IS_GEM(properties_element))
4804     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
4805
4806   if (IS_CUSTOM_ELEMENT(properties_element))
4807   {
4808     /* draw stickybutton gadget */
4809     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4810     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4811     MapCheckbuttonGadget(i);
4812
4813     /* draw checkbutton gadgets */
4814     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
4815          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
4816       MapCheckbuttonGadget(i);
4817
4818     /* draw counter gadgets */
4819     for (i=ED_COUNTER_ID_CUSTOM_FIRST; i<=ED_COUNTER_ID_CUSTOM_LAST; i++)
4820       MapCounterButtons(i);
4821
4822     /* draw selectbox gadgets */
4823     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
4824       MapSelectboxGadget(i);
4825
4826     /* draw drawing area gadgets */
4827     DrawCustomContentArea();
4828
4829     /* draw text input gadgets */
4830     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
4831   }
4832 }
4833
4834 static void DrawPropertiesAdvancedDrawingAreas()
4835 {
4836   DrawCustomGraphicElementArea();
4837   DrawCustomChangeTargetArea();
4838   DrawCustomChangeTriggerArea();
4839   DrawCustomChangeContentArea();
4840
4841   redraw_mask |= REDRAW_FIELD;
4842 }
4843
4844 static void DrawPropertiesAdvanced()
4845 {
4846   int i;
4847
4848   /* draw stickybutton gadget */
4849   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4850   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4851   MapCheckbuttonGadget(i);
4852
4853   /* draw checkbutton gadgets */
4854   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
4855        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
4856     MapCheckbuttonGadget(i);
4857
4858   /* draw counter gadgets */
4859   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
4860     MapCounterButtons(i);
4861
4862   /* draw selectbox gadgets */
4863   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
4864     MapSelectboxGadget(i);
4865
4866   /* draw textbutton gadgets */
4867   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
4868
4869   /* draw drawing area gadgets */
4870   DrawPropertiesAdvancedDrawingAreas();
4871 }
4872
4873 static void DrawElementName(int x, int y, int element)
4874 {
4875   char *element_name = getElementInfoText(element);
4876   int font_nr = FONT_TEXT_1;
4877   int font_width = getFontWidth(font_nr);
4878   int font_height = getFontHeight(font_nr);
4879   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
4880   int max_chars_per_line = max_text_width / font_width;
4881   char buffer[max_chars_per_line + 1];
4882
4883   if (strlen(element_name) <= max_chars_per_line)
4884     DrawTextF(x, y, font_nr, element_name);
4885   else
4886   {
4887     int next_pos = max_chars_per_line;
4888
4889     strncpy(buffer, element_name, max_chars_per_line);
4890     buffer[max_chars_per_line] = '\0';
4891
4892     if (element_name[max_chars_per_line] == ' ')
4893       next_pos++;
4894     else
4895     {
4896       int i;
4897
4898       for (i = max_chars_per_line - 1; i >= 0; i--)
4899         if (buffer[i] == ' ')
4900           break;
4901
4902       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
4903       {
4904         buffer[i] = '\0';
4905         next_pos = i + 1;
4906       }
4907     }
4908
4909     DrawTextF(x, y - font_height / 2, font_nr, buffer);
4910
4911     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
4912     buffer[max_chars_per_line] = '\0';
4913
4914     DrawTextF(x, y + font_height / 2, font_nr, buffer);
4915   }
4916 }
4917
4918 static void DrawPropertiesWindow()
4919 {
4920   int xstart = 2;
4921   int ystart = 4;
4922
4923   stick_element_properties_window = FALSE;
4924
4925   /* make sure that previous properties edit mode exists for this element */
4926   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
4927       !IS_CUSTOM_ELEMENT(properties_element))
4928     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
4929
4930   if (IS_CUSTOM_ELEMENT(properties_element))
4931     CopyCustomElementPropertiesToEditor(properties_element);
4932
4933   UnmapLevelEditorWindowGadgets();
4934
4935   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4936   ClearWindow();
4937
4938   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4939            "Element Settings", FONT_TITLE_1);
4940
4941   DrawElementBorder(SX + xstart * MINI_TILEX,
4942                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4943                     TILEX, TILEY, FALSE);
4944   DrawGraphicAnimationExt(drawto,
4945                           SX + xstart * MINI_TILEX,
4946                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4947                           el2img(properties_element), -1, NO_MASKING);
4948
4949   FrameCounter = 0;     /* restart animation frame counter */
4950
4951   DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
4952                   properties_element);
4953
4954   DrawPropertiesTabulatorGadgets();
4955
4956   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
4957     DrawPropertiesInfo();
4958   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
4959     DrawPropertiesConfig();
4960   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
4961     DrawPropertiesAdvanced();
4962 }
4963
4964 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
4965 {
4966   int lx = sx + level_xpos;
4967   int ly = sy + level_ypos;
4968
4969   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
4970
4971   if (change_level)
4972     Feld[lx][ly] = element;
4973 }
4974
4975 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
4976                      int element, boolean change_level)
4977 {
4978   if (from_y == to_y)                   /* horizontal line */
4979   {
4980     int x;
4981     int y = from_y;
4982
4983     if (from_x > to_x)
4984       swap_numbers(&from_x, &to_x);
4985
4986     for (x=from_x; x<=to_x; x++)
4987       DrawLineElement(x, y, element, change_level);
4988   }
4989   else if (from_x == to_x)              /* vertical line */
4990   {
4991     int x = from_x;
4992     int y;
4993
4994     if (from_y > to_y)
4995       swap_numbers(&from_y, &to_y);
4996
4997     for (y=from_y; y<=to_y; y++)
4998       DrawLineElement(x, y, element, change_level);
4999   }
5000   else                                  /* diagonal line */
5001   {
5002     int len_x = ABS(to_x - from_x);
5003     int len_y = ABS(to_y - from_y);
5004     int x, y;
5005
5006     if (len_y < len_x)                  /* a < 1 */
5007     {
5008       float a = (float)len_y / (float)len_x;
5009
5010       if (from_x > to_x)
5011         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5012
5013       for (x=0; x<=len_x; x++)
5014       {
5015         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
5016         DrawLineElement(from_x + x, from_y + y, element, change_level);
5017       }
5018     }
5019     else                                /* a >= 1 */
5020     {
5021       float a = (float)len_x / (float)len_y;
5022
5023       if (from_y > to_y)
5024         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5025
5026       for (y=0; y<=len_y; y++)
5027       {
5028         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
5029         DrawLineElement(from_x + x, from_y + y, element, change_level);
5030       }
5031     }
5032   }
5033 }
5034
5035 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
5036                     int element, boolean change_level)
5037 {
5038   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
5039   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
5040   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
5041   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
5042 }
5043
5044 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
5045                           int element, boolean change_level)
5046 {
5047   int y;
5048
5049   if (from_y > to_y)
5050     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5051
5052   for (y=from_y; y<=to_y; y++)
5053     DrawLine(from_x, y, to_x, y, element, change_level);
5054 }
5055
5056 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
5057                        int element, boolean change_level)
5058 {
5059   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
5060   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
5061   int len_x = ABS(to_x - from_x);
5062   int len_y = ABS(to_y - from_y);
5063   int radius, x, y;
5064
5065   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
5066
5067   /* not optimal (some points get drawn twice) but simple,
5068      and fast enough for the few points we are drawing */
5069
5070   for (x=0; x<=radius; x++)
5071   {
5072     int sx, sy, lx, ly;
5073
5074     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
5075
5076     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5077     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5078     lx = sx + level_xpos;
5079     ly = sy + level_ypos;
5080
5081     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5082       DrawLineElement(sx, sy, element, change_level);
5083   }
5084
5085   for (y=0; y<=radius; y++)
5086   {
5087     int sx, sy, lx, ly;
5088
5089     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
5090
5091     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5092     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5093     lx = sx + level_xpos;
5094     ly = sy + level_ypos;
5095
5096     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5097       DrawLineElement(sx, sy, element, change_level);
5098   }
5099 }
5100
5101 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
5102                     int element, boolean change_level)
5103 {
5104   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5105   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5106
5107   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5108 }
5109
5110 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
5111 #if DRAW_CIRCLES_BUTTON_AVAILABLE
5112 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
5113                        int element, boolean change_level)
5114 {
5115   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5116   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5117   int mirror_to_x2 = from_x - (to_x2 - from_x);
5118   int mirror_to_y2 = from_y - (to_y2 - from_y);
5119
5120   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5121   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
5122   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
5123   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
5124 }
5125 #endif
5126
5127 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
5128 {
5129   int from_sx, from_sy;
5130   int to_sx, to_sy;
5131
5132   if (from_x > to_x)
5133     swap_numbers(&from_x, &to_x);
5134
5135   if (from_y > to_y)
5136     swap_numbers(&from_y, &to_y);
5137
5138   from_sx = SX + from_x * MINI_TILEX;
5139   from_sy = SY + from_y * MINI_TILEY;
5140   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
5141   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
5142
5143   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
5144   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
5145   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
5146   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
5147
5148   if (from_x == to_x && from_y == to_y)
5149     MarkTileDirty(from_x/2, from_y/2);
5150   else
5151     redraw_mask |= REDRAW_FIELD;
5152 }
5153
5154 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
5155                        int element, boolean change_level)
5156 {
5157   if (element == -1 || change_level)
5158     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
5159   else
5160     DrawAreaBorder(from_x, from_y, to_x, to_y);
5161 }
5162
5163 /* values for CopyBrushExt() */
5164 #define CB_AREA_TO_BRUSH        0
5165 #define CB_BRUSH_TO_CURSOR      1
5166 #define CB_BRUSH_TO_LEVEL       2
5167 #define CB_DELETE_OLD_CURSOR    3
5168
5169 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
5170                          int button, int mode)
5171 {
5172   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
5173   static int brush_width, brush_height;
5174   static int last_cursor_x = -1, last_cursor_y = -1;
5175   static boolean delete_old_brush;
5176   int new_element = BUTTON_ELEMENT(button);
5177   int x, y;
5178
5179   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
5180     return;
5181
5182   if (mode == CB_AREA_TO_BRUSH)
5183   {
5184     int from_lx, from_ly;
5185
5186     if (from_x > to_x)
5187       swap_numbers(&from_x, &to_x);
5188
5189     if (from_y > to_y)
5190       swap_numbers(&from_y, &to_y);
5191
5192     brush_width = to_x - from_x + 1;
5193     brush_height = to_y - from_y + 1;
5194
5195     from_lx = from_x + level_xpos;
5196     from_ly = from_y + level_ypos;
5197
5198     for (y=0; y<brush_height; y++)
5199     {
5200       for (x=0; x<brush_width; x++)
5201       {
5202         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
5203
5204         if (button != 1)
5205           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
5206       }
5207     }
5208
5209     if (button != 1)
5210       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5211
5212     delete_old_brush = FALSE;
5213   }
5214   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
5215            mode == CB_BRUSH_TO_LEVEL)
5216   {
5217     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
5218     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
5219     int cursor_from_x = cursor_x - brush_width / 2;
5220     int cursor_from_y = cursor_y - brush_height / 2;
5221     int border_from_x = cursor_x, border_from_y = cursor_y;
5222     int border_to_x = cursor_x, border_to_y = cursor_y;
5223
5224     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
5225       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5226
5227     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
5228         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
5229     {
5230       delete_old_brush = FALSE;
5231       return;
5232     }
5233
5234     for (y=0; y<brush_height; y++)
5235     {
5236       for (x=0; x<brush_width; x++)
5237       {
5238         int sx = cursor_from_x + x;
5239         int sy = cursor_from_y + y;
5240         int lx = sx + level_xpos;
5241         int ly = sy + level_ypos;
5242         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
5243         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
5244                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
5245                        brush_buffer[x][y] : new_element);
5246
5247         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5248         {
5249           if (sx < border_from_x)
5250             border_from_x = sx;
5251           else if (sx > border_to_x)
5252             border_to_x = sx;
5253           if (sy < border_from_y)
5254             border_from_y = sy;
5255           else if (sy > border_to_y)
5256             border_to_y = sy;
5257
5258           DrawLineElement(sx, sy, element, change_level);
5259         }
5260       }
5261     }
5262
5263     if (mode != CB_DELETE_OLD_CURSOR)
5264       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
5265
5266     last_cursor_x = cursor_x;
5267     last_cursor_y = cursor_y;
5268     delete_old_brush = TRUE;
5269   }
5270 }
5271
5272 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
5273                             int button)
5274 {
5275   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
5276 }
5277
5278 static void CopyBrushToLevel(int x, int y, int button)
5279 {
5280   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
5281 }
5282
5283 static void CopyBrushToCursor(int x, int y)
5284 {
5285   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
5286 }
5287
5288 static void DeleteBrushFromCursor()
5289 {
5290   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5291 }
5292
5293 static void FloodFill(int from_x, int from_y, int fill_element)
5294 {
5295   int i,x,y;
5296   int old_element;
5297   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
5298   static int safety = 0;
5299
5300   /* check if starting field still has the desired content */
5301   if (Feld[from_x][from_y] == fill_element)
5302     return;
5303
5304   safety++;
5305
5306   if (safety > lev_fieldx*lev_fieldy)
5307     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
5308
5309   old_element = Feld[from_x][from_y];
5310   Feld[from_x][from_y] = fill_element;
5311
5312   for(i=0;i<4;i++)
5313   {
5314     x = from_x + check[i][0];
5315     y = from_y + check[i][1];
5316
5317     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
5318       FloodFill(x, y, fill_element);
5319   }
5320
5321   safety--;
5322 }
5323
5324 /* values for DrawLevelText() modes */
5325 #define TEXT_INIT               0
5326 #define TEXT_SETCURSOR          1
5327 #define TEXT_WRITECHAR          2
5328 #define TEXT_BACKSPACE          3
5329 #define TEXT_NEWLINE            4
5330 #define TEXT_END                5
5331 #define TEXT_QUERY_TYPING       6
5332
5333 static int DrawLevelText(int sx, int sy, char letter, int mode)
5334 {
5335   static short delete_buffer[MAX_LEV_FIELDX];
5336   static int start_sx, start_sy;
5337   static int last_sx, last_sy;
5338   static boolean typing = FALSE;
5339   int letter_element = EL_CHAR_ASCII0 + letter;
5340   int lx = 0, ly = 0;
5341
5342   /* map lower case letters to upper case and convert special characters */
5343   if (letter >= 'a' && letter <= 'z')
5344     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
5345   else if (letter == 'ä' || letter == 'Ä')
5346     letter_element = EL_CHAR_AUMLAUT;
5347   else if (letter == 'ö' || letter == 'Ö')
5348     letter_element = EL_CHAR_OUMLAUT;
5349   else if (letter == 'ü' || letter == 'Ü')
5350     letter_element = EL_CHAR_UUMLAUT;
5351   else if (letter == '^')
5352     letter_element = EL_CHAR_COPYRIGHT;
5353   else
5354     letter_element = EL_CHAR_ASCII0 + letter;
5355
5356   if (mode != TEXT_INIT)
5357   {
5358     if (!typing)
5359       return FALSE;
5360
5361     if (mode != TEXT_SETCURSOR)
5362     {
5363       sx = last_sx;
5364       sy = last_sy;
5365     }
5366
5367     lx = last_sx + level_xpos;
5368     ly = last_sy + level_ypos;
5369   }
5370
5371   switch (mode)
5372   {
5373     case TEXT_INIT:
5374       if (typing)
5375         DrawLevelText(0, 0, 0, TEXT_END);
5376
5377       typing = TRUE;
5378       start_sx = last_sx = sx;
5379       start_sy = last_sy = sy;
5380       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
5381       break;
5382
5383     case TEXT_SETCURSOR:
5384       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
5385       DrawAreaBorder(sx, sy, sx, sy);
5386       last_sx = sx;
5387       last_sy = sy;
5388       break;
5389
5390     case TEXT_WRITECHAR:
5391       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
5392       {
5393         delete_buffer[sx - start_sx] = Feld[lx][ly];
5394         Feld[lx][ly] = letter_element;
5395
5396         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
5397           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
5398         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
5399           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5400         else
5401           DrawLevelText(0, 0, 0, TEXT_END);
5402       }
5403       break;
5404
5405     case TEXT_BACKSPACE:
5406       if (sx > start_sx)
5407       {
5408         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
5409         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
5410         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
5411       }
5412       break;
5413
5414     case TEXT_NEWLINE:
5415       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
5416         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5417       else
5418         DrawLevelText(0, 0, 0, TEXT_END);
5419       break;
5420
5421     case TEXT_END:
5422       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5423       DrawMiniElement(sx, sy, Feld[lx][ly]);
5424       typing = FALSE;
5425       break;
5426
5427     case TEXT_QUERY_TYPING:
5428       break;
5429
5430     default:
5431       break;
5432   }
5433
5434   return typing;
5435 }
5436
5437 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
5438                           int element, boolean change_level)
5439 {
5440   int lx = sx + level_xpos;
5441   int ly = sy + level_ypos;
5442
5443   if (element == -1)
5444     DrawMiniElement(sx, sy, Feld[lx][ly]);
5445   else
5446     DrawAreaBorder(sx, sy, sx, sy);
5447 }
5448
5449 static void CopyLevelToUndoBuffer(int mode)
5450 {
5451   static boolean accumulated_undo = FALSE;
5452   boolean new_undo_buffer_position = TRUE;
5453   int last_border_element;
5454   int x, y;
5455
5456   switch (mode)
5457   {
5458     case UNDO_IMMEDIATE:
5459       accumulated_undo = FALSE;
5460       break;
5461
5462     case UNDO_ACCUMULATE:
5463       if (accumulated_undo)
5464         new_undo_buffer_position = FALSE;
5465       accumulated_undo = TRUE;
5466       break;
5467
5468     default:
5469       break;
5470   }
5471
5472   if (new_undo_buffer_position)
5473   {
5474     /* new position in undo buffer ring */
5475     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
5476
5477     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
5478       undo_buffer_steps++;
5479   }
5480
5481   for(x=0; x<lev_fieldx; x++)
5482     for(y=0; y<lev_fieldy; y++)
5483       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
5484
5485   /* check if drawing operation forces change of border style */
5486   last_border_element = BorderElement;
5487   SetBorderElement();
5488   if (BorderElement != last_border_element)
5489     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5490 }
5491
5492 static void RandomPlacement(int new_element)
5493 {
5494   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5495   int num_free_positions;
5496   int num_percentage;
5497   int num_elements;
5498   int x, y;
5499
5500   /* determine number of free positions for the new elements */
5501   /* (maybe this statement should be formatted a bit more readable...) */
5502   num_free_positions = 0;
5503   for (x=0; x<lev_fieldx; x++)
5504     for (y=0; y<lev_fieldy; y++)
5505       if ((free_position[x][y] =
5506            ((random_placement_background_restricted &&
5507              Feld[x][y] == random_placement_background_element) ||
5508             (!random_placement_background_restricted &&
5509              Feld[x][y] != new_element))) == TRUE)
5510         num_free_positions++;
5511
5512   /* determine number of new elements to place there */
5513   num_percentage = num_free_positions * random_placement_value / 100;
5514   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
5515                   num_percentage : random_placement_value);
5516
5517   /* if not more free positions than elements to place, fill whole level */
5518   if (num_elements >= num_free_positions)
5519   {
5520     for (x=0; x<lev_fieldx; x++)
5521       for (y=0; y<lev_fieldy; y++)
5522         Feld[x][y] = new_element;
5523
5524     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5525     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5526     return;
5527   }
5528
5529   while (num_elements > 0)
5530   {
5531     x = RND(lev_fieldx);
5532     y = RND(lev_fieldy);
5533
5534     /* don't place element at the same position twice */
5535     if (free_position[x][y])
5536     {
5537       free_position[x][y] = FALSE;
5538       Feld[x][y] = new_element;
5539       num_elements--;
5540     }
5541   }
5542
5543   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5544   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5545 }
5546
5547 void WrapLevel(int dx, int dy)
5548 {
5549   int wrap_dx = lev_fieldx - dx;
5550   int wrap_dy = lev_fieldy - dy;
5551   int x, y;
5552
5553   for(x=0; x<lev_fieldx; x++)
5554     for(y=0; y<lev_fieldy; y++)
5555       FieldBackup[x][y] = Feld[x][y];
5556
5557   for(x=0; x<lev_fieldx; x++)
5558     for(y=0; y<lev_fieldy; y++)
5559       Feld[x][y] =
5560         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
5561
5562   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5563   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
5564 }
5565
5566 static void HandleDrawingAreas(struct GadgetInfo *gi)
5567 {
5568   static boolean started_inside_drawing_area = FALSE;
5569   int id = gi->custom_id;
5570   boolean button_press_event;
5571   boolean button_release_event;
5572   boolean inside_drawing_area = !gi->event.off_borders;
5573   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
5574   int actual_drawing_function;
5575   int button = gi->event.button;
5576   int new_element = BUTTON_ELEMENT(button);
5577   int sx = gi->event.x, sy = gi->event.y;
5578   int min_sx = 0, min_sy = 0;
5579   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
5580   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
5581   int lx = 0, ly = 0;
5582   int min_lx = 0, min_ly = 0;
5583   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
5584   int x, y;
5585
5586   /* handle info callback for each invocation of action callback */
5587   gi->callback_info(gi);
5588
5589   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
5590   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
5591
5592   /* make sure to stay inside drawing area boundaries */
5593   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
5594   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
5595
5596   if (draw_level)
5597   {
5598     /* get positions inside level field */
5599     lx = sx + level_xpos;
5600     ly = sy + level_ypos;
5601
5602     if (!IN_LEV_FIELD(lx, ly))
5603       inside_drawing_area = FALSE;
5604
5605     /* make sure to stay inside level field boundaries */
5606     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5607     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5608
5609     /* correct drawing area positions accordingly */
5610     sx = lx - level_xpos;
5611     sy = ly - level_ypos;
5612   }
5613
5614   if (button_press_event)
5615     started_inside_drawing_area = inside_drawing_area;
5616
5617   if (!started_inside_drawing_area)
5618     return;
5619
5620   if (!button && !button_release_event)
5621     return;
5622
5623   /* automatically switch to 'single item' drawing mode, if needed */
5624   actual_drawing_function =
5625     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
5626      drawing_function : GADGET_ID_SINGLE_ITEMS);
5627
5628   /* clicking into drawing area with pressed Control key picks element */
5629   if (GetKeyModState() & KMOD_Control)
5630     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
5631
5632   switch (actual_drawing_function)
5633   {
5634     case GADGET_ID_SINGLE_ITEMS:
5635       if (draw_level)
5636       {
5637         if (button_release_event)
5638         {
5639           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5640
5641           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
5642               !inside_drawing_area)
5643             DeleteBrushFromCursor();
5644         }
5645
5646         if (!button)
5647           break;
5648
5649         if (draw_with_brush)
5650         {
5651           if (!button_release_event)
5652             CopyBrushToLevel(sx, sy, button);
5653         }
5654         else if (new_element != Feld[lx][ly])
5655         {
5656           if (new_element == EL_PLAYER_1)
5657           {
5658             /* remove player at old position */
5659             for(y=0; y<lev_fieldy; y++)
5660             {
5661               for(x=0; x<lev_fieldx; x++)
5662               {
5663                 if (Feld[x][y] == EL_PLAYER_1)
5664                 {
5665                   Feld[x][y] = EL_EMPTY;
5666                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
5667                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
5668                     DrawMiniElement(x - level_xpos, y - level_ypos,
5669                                     EL_EMPTY);
5670                 }
5671               }
5672             }
5673           }
5674
5675           Feld[lx][ly] = new_element;
5676           DrawMiniElement(sx, sy, new_element);
5677         }
5678       }
5679       else
5680       {
5681         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
5682           DrawMiniGraphicExt(drawto,
5683                              gi->x + sx * MINI_TILEX,
5684                              gi->y + sy * MINI_TILEY,
5685                              el2edimg(new_element));
5686         else
5687           DrawGraphicExt(drawto,
5688                          gi->x + sx * TILEX,
5689                          gi->y + sy * TILEY,
5690                          el2img(new_element), 0);
5691
5692         if (id == GADGET_ID_AMOEBA_CONTENT)
5693           level.amoeba_content = new_element;
5694         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5695         {
5696           new_element = GFX_ELEMENT(new_element);
5697           custom_element.gfx_element = new_element;
5698           element_info[properties_element] = custom_element;
5699
5700           ModifyEditorElementList();
5701           RedrawDrawingElements();
5702
5703           DrawPropertiesAdvancedDrawingAreas();
5704
5705           FrameCounter = 0;     /* restart animation frame counter */
5706         }
5707         else if (id == GADGET_ID_CUSTOM_CONTENT)
5708         {
5709           custom_element.content[sx][sy] = new_element;
5710           element_info[properties_element] = custom_element;
5711         }
5712         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
5713         {
5714           custom_element.change.target_element = new_element;
5715           element_info[properties_element] = custom_element;
5716         }
5717         else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
5718         {
5719           custom_element.change.content[sx][sy] = new_element;
5720           element_info[properties_element] = custom_element;
5721         }
5722         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
5723         {
5724           custom_element.change.trigger_element = new_element;
5725           element_info[properties_element] = custom_element;
5726         }
5727         else if (id == GADGET_ID_RANDOM_BACKGROUND)
5728           random_placement_background_element = new_element;
5729         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5730                  id <= GADGET_ID_ELEMENT_CONTENT_7)
5731           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
5732             new_element;
5733       }
5734       break;
5735
5736     case GADGET_ID_CONNECTED_ITEMS:
5737       {
5738         static int last_sx = -1;
5739         static int last_sy = -1;
5740
5741         if (button_release_event)
5742           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5743
5744         if (button)
5745         {
5746           if (!button_press_event)
5747             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
5748
5749           last_sx = sx;
5750           last_sy = sy;
5751         }
5752       }
5753       break;
5754
5755     case GADGET_ID_LINE:
5756     case GADGET_ID_ARC:
5757     case GADGET_ID_RECTANGLE:
5758     case GADGET_ID_FILLED_BOX:
5759     case GADGET_ID_GRAB_BRUSH:
5760     case GADGET_ID_TEXT:
5761       {
5762         static int last_sx = -1;
5763         static int last_sy = -1;
5764         static int start_sx = -1;
5765         static int start_sy = -1;
5766         void (*draw_func)(int, int, int, int, int, boolean);
5767
5768         if (drawing_function == GADGET_ID_LINE)
5769           draw_func = DrawLine;
5770         else if (drawing_function == GADGET_ID_ARC)
5771           draw_func = DrawArc;
5772         else if (drawing_function == GADGET_ID_RECTANGLE)
5773           draw_func = DrawBox;
5774         else if (drawing_function == GADGET_ID_FILLED_BOX)
5775           draw_func = DrawFilledBox;
5776         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
5777           draw_func = SelectArea;
5778         else /* (drawing_function == GADGET_ID_TEXT) */
5779           draw_func = SetTextCursor;
5780
5781         if (button_press_event)
5782         {
5783           draw_func(sx, sy, sx, sy, new_element, FALSE);
5784           start_sx = last_sx = sx;
5785           start_sy = last_sy = sy;
5786
5787           if (drawing_function == GADGET_ID_TEXT)
5788             DrawLevelText(0, 0, 0, TEXT_END);
5789         }
5790         else if (button_release_event)
5791         {
5792           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
5793           if (drawing_function == GADGET_ID_GRAB_BRUSH)
5794           {
5795             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
5796             CopyBrushToCursor(sx, sy);
5797             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
5798                           MB_LEFTBUTTON);
5799             draw_with_brush = TRUE;
5800           }
5801           else if (drawing_function == GADGET_ID_TEXT)
5802             DrawLevelText(sx, sy, 0, TEXT_INIT);
5803           else
5804             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5805         }
5806         else if (last_sx != sx || last_sy != sy)
5807         {
5808           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
5809           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
5810           last_sx = sx;
5811           last_sy = sy;
5812         }
5813       }
5814       break;
5815
5816     case GADGET_ID_FLOOD_FILL:
5817       if (button_press_event && Feld[lx][ly] != new_element)
5818       {
5819         FloodFill(lx, ly, new_element);
5820         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5821         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5822       }
5823       break;
5824
5825     case GADGET_ID_PICK_ELEMENT:
5826       if (button_release_event)
5827         ClickOnGadget(level_editor_gadget[last_drawing_function],
5828                       MB_LEFTBUTTON);
5829       else if (draw_level)
5830         PickDrawingElement(button, Feld[lx][ly]);
5831       else if (id == GADGET_ID_AMOEBA_CONTENT)
5832         PickDrawingElement(button, level.amoeba_content);
5833       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5834         PickDrawingElement(button, custom_element.gfx_element);
5835       else if (id == GADGET_ID_CUSTOM_CONTENT)
5836         PickDrawingElement(button, custom_element.content[sx][sy]);
5837       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
5838         PickDrawingElement(button, custom_element.change.target_element);
5839       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
5840         PickDrawingElement(button, custom_element.change.content[sx][sy]);
5841       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
5842         PickDrawingElement(button, custom_element.change.trigger_element);
5843       else if (id == GADGET_ID_RANDOM_BACKGROUND)
5844         PickDrawingElement(button, random_placement_background_element);
5845       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5846                id <= GADGET_ID_ELEMENT_CONTENT_7)
5847       {
5848         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
5849
5850         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
5851       }
5852
5853       break;
5854
5855     default:
5856       break;
5857   }
5858 }
5859
5860 static void HandleCounterButtons(struct GadgetInfo *gi)
5861 {
5862   int gadget_id = gi->custom_id;
5863   int counter_id = gi->custom_type_id;
5864   int button = gi->event.button;
5865   int *counter_value = counterbutton_info[counter_id].value;
5866   int step = BUTTON_STEPSIZE(button) *
5867     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
5868
5869   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
5870   {
5871     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
5872     boolean released = (gi->event.type == GD_EVENT_RELEASED);
5873     boolean level_changed = LevelChanged();
5874
5875     if ((level_changed && pressed) || (!level_changed && released))
5876       return;
5877
5878     if (level_changed && !Request("Level has changed! Discard changes ?",
5879                                   REQ_ASK))
5880     {
5881       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5882         ModifyEditorCounter(counter_id, *counter_value);
5883       return;
5884     }
5885   }
5886
5887   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5888     *counter_value = gi->text.number_value;
5889   else
5890     ModifyEditorCounter(counter_id, *counter_value + step);
5891
5892   switch (counter_id)
5893   {
5894     case ED_COUNTER_ID_ELEMENT_CONTENT:
5895       DrawElementContentAreas();
5896       break;
5897
5898     case ED_COUNTER_ID_LEVEL_XSIZE:
5899     case ED_COUNTER_ID_LEVEL_YSIZE:
5900       lev_fieldx = level.fieldx;
5901       lev_fieldy = level.fieldy;
5902       break;
5903
5904     case ED_COUNTER_ID_SELECT_LEVEL:
5905       LoadLevel(level_nr);
5906       TapeErase();
5907       ResetUndoBuffer();
5908       DrawEditModeWindow();
5909       break;
5910
5911     default:
5912       break;
5913   }
5914
5915   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
5916        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
5917       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
5918        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
5919     CopyCustomElementPropertiesToGame(properties_element);
5920 }
5921
5922 static void HandleTextInputGadgets(struct GadgetInfo *gi)
5923 {
5924   int type_id = gi->custom_type_id;
5925
5926   strcpy(textinput_info[type_id].value, gi->text.value);
5927
5928   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
5929     CopyCustomElementPropertiesToGame(properties_element);
5930 }
5931
5932 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
5933 {
5934   int type_id = gi->custom_type_id;
5935
5936   *selectbox_info[type_id].value =
5937     selectbox_info[type_id].options[gi->selectbox.index].value;
5938
5939   if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
5940        type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
5941       (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
5942        type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
5943     CopyCustomElementPropertiesToGame(properties_element);
5944 }
5945
5946 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
5947 {
5948   if (gi->custom_type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
5949       gi->custom_type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
5950   {
5951     edit_mode_properties = gi->custom_type_id;
5952
5953     DrawPropertiesWindow();
5954   }
5955 }
5956
5957 static void HandleRadiobuttons(struct GadgetInfo *gi)
5958 {
5959   *radiobutton_info[gi->custom_type_id].value =
5960     radiobutton_info[gi->custom_type_id].checked_value;
5961 }
5962
5963 static void HandleCheckbuttons(struct GadgetInfo *gi)
5964 {
5965   int type_id = gi->custom_type_id;
5966
5967   *checkbutton_info[type_id].value ^= TRUE;
5968
5969   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
5970        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
5971       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
5972        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST))
5973     CopyCustomElementPropertiesToGame(properties_element);
5974
5975   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
5976   {
5977     ModifyEditorElementList();
5978     RedrawDrawingElements();
5979
5980     DrawPropertiesAdvancedDrawingAreas();
5981   }
5982 }
5983
5984 static void HandleControlButtons(struct GadgetInfo *gi)
5985 {
5986   int id = gi->custom_id;
5987   int button = gi->event.button;
5988   int step = BUTTON_STEPSIZE(button);
5989   int new_element = BUTTON_ELEMENT(button);
5990   int x, y;
5991
5992   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
5993     DrawLevelText(0, 0, 0, TEXT_END);
5994
5995   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
5996       id != GADGET_ID_PICK_ELEMENT && edit_mode != ED_MODE_DRAWING &&
5997       drawing_function != GADGET_ID_PICK_ELEMENT &&
5998       !(GetKeyModState() & KMOD_Control))
5999   {
6000     DrawDrawingWindow();
6001     edit_mode = ED_MODE_DRAWING;
6002   }
6003
6004   switch (id)
6005   {
6006     case GADGET_ID_SCROLL_LEFT:
6007       if (level_xpos >= 0)
6008       {
6009         if (lev_fieldx < ed_fieldx - 2)
6010           break;
6011
6012         level_xpos -= step;
6013         if (level_xpos < -1)
6014           level_xpos = -1;
6015         if (button == 1)
6016           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
6017         else
6018           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6019
6020         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6021                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6022       }
6023       break;
6024
6025     case GADGET_ID_SCROLL_RIGHT:
6026       if (level_xpos <= lev_fieldx - ed_fieldx)
6027       {
6028         if (lev_fieldx < ed_fieldx - 2)
6029           break;
6030
6031         level_xpos += step;
6032         if (level_xpos > lev_fieldx - ed_fieldx + 1)
6033           level_xpos = lev_fieldx - ed_fieldx + 1;
6034         if (button == 1)
6035           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
6036         else
6037           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6038
6039         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6040                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6041       }
6042       break;
6043
6044     case GADGET_ID_SCROLL_UP:
6045       if (level_ypos >= 0)
6046       {
6047         if (lev_fieldy < ed_fieldy - 2)
6048           break;
6049
6050         level_ypos -= step;
6051         if (level_ypos < -1)
6052           level_ypos = -1;
6053         if (button == 1)
6054           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
6055         else
6056           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6057
6058         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6059                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6060       }
6061       break;
6062
6063     case GADGET_ID_SCROLL_DOWN:
6064       if (level_ypos <= lev_fieldy - ed_fieldy)
6065       {
6066         if (lev_fieldy < ed_fieldy - 2)
6067           break;
6068
6069         level_ypos += step;
6070         if (level_ypos > lev_fieldy - ed_fieldy + 1)
6071           level_ypos = lev_fieldy - ed_fieldy + 1;
6072         if (button == 1)
6073           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
6074         else
6075           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6076
6077         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6078                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6079       }
6080       break;
6081
6082     case GADGET_ID_SCROLL_HORIZONTAL:
6083       level_xpos = gi->event.item_position - 1;
6084       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6085       break;
6086
6087     case GADGET_ID_SCROLL_VERTICAL:
6088       level_ypos = gi->event.item_position - 1;
6089       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6090       break;
6091
6092     case GADGET_ID_SCROLL_LIST_UP:
6093     case GADGET_ID_SCROLL_LIST_DOWN:
6094     case GADGET_ID_SCROLL_LIST_VERTICAL:
6095       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
6096         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
6097       else
6098       {
6099         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
6100         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
6101
6102         if (element_shift < 0)
6103           element_shift = 0;
6104         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
6105           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
6106
6107         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
6108                      GDI_SCROLLBAR_ITEM_POSITION,
6109                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
6110       }
6111
6112       ModifyEditorElementList();
6113
6114       break;
6115
6116     case GADGET_ID_WRAP_LEFT:
6117       WrapLevel(-step, 0);
6118       break;
6119
6120     case GADGET_ID_WRAP_RIGHT:
6121       WrapLevel(step, 0);
6122       break;
6123
6124     case GADGET_ID_WRAP_UP:
6125       WrapLevel(0, -step);
6126       break;
6127
6128     case GADGET_ID_WRAP_DOWN:
6129       WrapLevel(0, step);
6130       break;
6131
6132     case GADGET_ID_SINGLE_ITEMS:
6133     case GADGET_ID_CONNECTED_ITEMS:
6134     case GADGET_ID_LINE:
6135     case GADGET_ID_ARC:
6136     case GADGET_ID_TEXT:
6137     case GADGET_ID_RECTANGLE:
6138     case GADGET_ID_FILLED_BOX:
6139     case GADGET_ID_FLOOD_FILL:
6140     case GADGET_ID_GRAB_BRUSH:
6141     case GADGET_ID_PICK_ELEMENT:
6142       if (drawing_function != GADGET_ID_PICK_ELEMENT)
6143         last_drawing_function = drawing_function;
6144       drawing_function = id;
6145       draw_with_brush = FALSE;
6146       break;
6147
6148     case GADGET_ID_RANDOM_PLACEMENT:
6149       RandomPlacement(new_element);
6150       break;
6151
6152     case GADGET_ID_PROPERTIES:
6153       if (edit_mode != ED_MODE_PROPERTIES)
6154       {
6155         properties_element = new_element;
6156         DrawPropertiesWindow();
6157         edit_mode = ED_MODE_PROPERTIES;
6158       }
6159       else
6160       {
6161         DrawDrawingWindow();
6162         edit_mode = ED_MODE_DRAWING;
6163       }
6164       break;
6165
6166     case GADGET_ID_UNDO:
6167       if (undo_buffer_steps == 0)
6168       {
6169         Request("Undo buffer empty !", REQ_CONFIRM);
6170         break;
6171       }
6172
6173       if (edit_mode != ED_MODE_DRAWING)
6174       {
6175         DrawDrawingWindow();
6176         edit_mode = ED_MODE_DRAWING;
6177       }
6178
6179       undo_buffer_position =
6180         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
6181       undo_buffer_steps--;
6182
6183       for(x=0; x<lev_fieldx; x++)
6184         for(y=0; y<lev_fieldy; y++)
6185           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
6186       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
6187       break;
6188
6189     case GADGET_ID_INFO:
6190       if (edit_mode != ED_MODE_INFO)
6191       {
6192         DrawLevelInfoWindow();
6193         edit_mode = ED_MODE_INFO;
6194       }
6195       else
6196       {
6197         DrawDrawingWindow();
6198         edit_mode = ED_MODE_DRAWING;
6199       }
6200       break;
6201
6202     case GADGET_ID_CLEAR:
6203       if (edit_mode != ED_MODE_DRAWING)
6204       {
6205         DrawDrawingWindow();
6206         edit_mode = ED_MODE_DRAWING;
6207       }
6208
6209       for(x=0; x<MAX_LEV_FIELDX; x++)
6210         for(y=0; y<MAX_LEV_FIELDY; y++)
6211           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
6212       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
6213
6214       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6215       break;
6216
6217     case GADGET_ID_SAVE:
6218       if (leveldir_current->readonly)
6219       {
6220         Request("This level is read only !", REQ_CONFIRM);
6221         break;
6222       }
6223
6224       if (!LevelContainsPlayer)
6225         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
6226       else
6227       {
6228         if (Request("Save this level and kill the old ?", REQ_ASK))
6229         {
6230           CopyPlayfield(Feld, Ur);
6231
6232           SaveLevel(level_nr);
6233         }
6234       }
6235       break;
6236
6237     case GADGET_ID_TEST:
6238       if (!LevelContainsPlayer)
6239         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
6240       else
6241       {
6242         if (LevelChanged())
6243           level.game_version = GAME_VERSION_ACTUAL;
6244
6245         CopyPlayfield(Ur, FieldBackup);
6246         CopyPlayfield(Feld, Ur);
6247
6248         UnmapLevelEditorGadgets();
6249         UndrawSpecialEditorDoor();
6250
6251         CloseDoor(DOOR_CLOSE_ALL);
6252
6253         DrawCompleteVideoDisplay();
6254
6255         if (setup.autorecord)
6256           TapeStartRecording();
6257
6258         level_editor_test_game = TRUE;
6259         game_status = GAME_MODE_PLAYING;
6260
6261         InitGame();
6262       }
6263       break;
6264
6265     case GADGET_ID_EXIT:
6266       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
6267       break;
6268
6269     default:
6270       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
6271           id <= GADGET_ID_ELEMENTLIST_LAST)
6272       {
6273         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
6274         int new_element = editor_elements[element_position + element_shift];
6275
6276         PickDrawingElement(button, new_element);
6277
6278         if (!stick_element_properties_window &&
6279             drawing_function != GADGET_ID_PICK_ELEMENT &&
6280             !(GetKeyModState() & KMOD_Control))
6281         {
6282           properties_element = new_element;
6283           if (edit_mode == ED_MODE_PROPERTIES)
6284             DrawPropertiesWindow();
6285         }
6286
6287         if (drawing_function == GADGET_ID_PICK_ELEMENT)
6288           ClickOnGadget(level_editor_gadget[last_drawing_function],
6289                         MB_LEFTBUTTON);
6290       }
6291 #ifdef DEBUG
6292       else if (gi->event.type == GD_EVENT_PRESSED)
6293         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
6294       else if (gi->event.type == GD_EVENT_RELEASED)
6295         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
6296       else if (gi->event.type == GD_EVENT_MOVING)
6297         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
6298       else
6299         printf("default: HandleControlButtons: ? (id == %d)\n", id);
6300 #endif
6301       break;
6302   }
6303 }
6304
6305 void HandleLevelEditorKeyInput(Key key)
6306 {
6307   char letter = getCharFromKey(key);
6308   int button = MB_LEFTBUTTON;
6309
6310   if (drawing_function == GADGET_ID_TEXT &&
6311       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
6312   {
6313     if (letter)
6314       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
6315     else if (key == KSYM_Delete || key == KSYM_BackSpace)
6316       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
6317     else if (key == KSYM_Return)
6318       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
6319     else if (key == KSYM_Escape)
6320       DrawLevelText(0, 0, 0, TEXT_END);
6321   }
6322   else if (button_status == MB_RELEASED)
6323   {
6324     int i, id = GADGET_ID_NONE;
6325
6326     switch (key)
6327     {
6328       case KSYM_Left:
6329         id = GADGET_ID_SCROLL_LEFT;
6330         break;
6331       case KSYM_Right:
6332         id = GADGET_ID_SCROLL_RIGHT;
6333         break;
6334       case KSYM_Up:
6335         id = GADGET_ID_SCROLL_UP;
6336         break;
6337       case KSYM_Down:
6338         id = GADGET_ID_SCROLL_DOWN;
6339         break;
6340       case KSYM_Page_Up:
6341         id = GADGET_ID_SCROLL_LIST_UP;
6342         button = MB_RIGHTBUTTON;
6343         break;
6344       case KSYM_Page_Down:
6345         id = GADGET_ID_SCROLL_LIST_DOWN;
6346         button = MB_RIGHTBUTTON;
6347         break;
6348
6349       case KSYM_Escape:
6350         if (edit_mode == ED_MODE_DRAWING)
6351         {
6352           RequestExitLevelEditor(setup.ask_on_escape);
6353         }
6354         else
6355         {
6356           DrawDrawingWindow();
6357           edit_mode = ED_MODE_DRAWING;
6358         }
6359         break;
6360
6361       default:
6362         break;
6363     }
6364
6365     if (id != GADGET_ID_NONE)
6366       ClickOnGadget(level_editor_gadget[id], button);
6367     else if (letter == '.')
6368       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
6369     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
6370       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
6371     else
6372       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
6373         if (letter && letter == control_info[i].shortcut)
6374           if (!anyTextGadgetActive())
6375             ClickOnGadget(level_editor_gadget[i], button);
6376   }
6377 }
6378
6379 void HandleLevelEditorIdle()
6380 {
6381   static unsigned long action_delay = 0;
6382   unsigned long action_delay_value = GameFrameDelay;
6383   int xpos = 1, ypos = 2;
6384
6385   if (edit_mode != ED_MODE_PROPERTIES)
6386     return;
6387
6388   if (!DelayReached(&action_delay, action_delay_value))
6389     return;
6390
6391   DrawGraphicAnimationExt(drawto,
6392                           SX + xpos * TILEX,
6393                           SY + ypos * TILEY + MINI_TILEY / 2,
6394                           el2img(properties_element), -1, NO_MASKING);
6395
6396   MarkTileDirty(xpos, ypos);
6397   MarkTileDirty(xpos, ypos + 1);
6398
6399   FrameCounter++;       /* increase animation frame counter */
6400 }
6401
6402 void ClearEditorGadgetInfoText()
6403 {
6404   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
6405 }
6406
6407 void HandleEditorGadgetInfoText(void *ptr)
6408 {
6409   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
6410   char infotext[MAX_OUTPUT_LINESIZE + 1];
6411   char shortcut[MAX_OUTPUT_LINESIZE + 1];
6412   int max_infotext_len = getMaxInfoTextLength();
6413
6414   if (game_status != GAME_MODE_EDITOR)
6415     return;
6416
6417   ClearEditorGadgetInfoText();
6418
6419   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6420     return;
6421
6422   /* misuse this function to delete brush cursor, if needed */
6423   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
6424     DeleteBrushFromCursor();
6425
6426   if (gi == NULL || gi->info_text == NULL)
6427     return;
6428
6429   strncpy(infotext, gi->info_text, max_infotext_len);
6430   infotext[max_infotext_len] = '\0';
6431
6432   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
6433   {
6434     int key = control_info[gi->custom_id].shortcut;
6435
6436     if (key)
6437     {
6438       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
6439         sprintf(shortcut, " ('.' or '%c')", key);
6440       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
6441         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
6442       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
6443         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
6444       else                                              /* normal case */
6445         sprintf(shortcut, " ('%s%c')",
6446                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
6447
6448       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
6449         strcat(infotext, shortcut);
6450     }
6451   }
6452
6453   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
6454 }
6455
6456 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
6457 {
6458   static int start_lx, start_ly;
6459   char *infotext;
6460   int id = gi->custom_id;
6461   int sx = gi->event.x;
6462   int sy = gi->event.y;
6463   int lx = sx + level_xpos;
6464   int ly = sy + level_ypos;
6465   int min_sx = 0, min_sy = 0;
6466   int max_sx = gi->drawing.area_xsize - 1;
6467   int max_sy = gi->drawing.area_ysize - 1;
6468   int actual_drawing_function = drawing_function;
6469
6470   /* pressed Control key: simulate picking element */
6471   if (GetKeyModState() & KMOD_Control)
6472     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
6473
6474   ClearEditorGadgetInfoText();
6475
6476   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6477     return;
6478
6479   /* make sure to stay inside drawing area boundaries */
6480   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
6481   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
6482
6483   if (id == GADGET_ID_DRAWING_LEVEL)
6484   {
6485     if (button_status)
6486     {
6487       int min_lx = 0, min_ly = 0;
6488       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
6489
6490       /* get positions inside level field */
6491       lx = sx + level_xpos;
6492       ly = sy + level_ypos;
6493
6494       /* make sure to stay inside level field boundaries */
6495       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
6496       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
6497
6498       /* correct drawing area positions accordingly */
6499       sx = lx - level_xpos;
6500       sy = ly - level_ypos;
6501     }
6502
6503     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
6504     {
6505       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
6506       {
6507         if (gi->event.type == GD_EVENT_PRESSED)
6508         {
6509           start_lx = lx;
6510           start_ly = ly;
6511         }
6512
6513         switch (actual_drawing_function)
6514         {
6515           case GADGET_ID_SINGLE_ITEMS:
6516             infotext = "Drawing single items";
6517             break;
6518           case GADGET_ID_CONNECTED_ITEMS:
6519             infotext = "Drawing connected items";
6520             break;
6521           case GADGET_ID_LINE:
6522             infotext = "Drawing line";
6523             break;
6524           case GADGET_ID_ARC:
6525             infotext = "Drawing arc";
6526             break;
6527           case GADGET_ID_TEXT:
6528             infotext = "Setting text cursor";
6529             break;
6530           case GADGET_ID_RECTANGLE:
6531             infotext = "Drawing rectangle";
6532             break;
6533           case GADGET_ID_FILLED_BOX:
6534             infotext = "Drawing filled box";
6535             break;
6536           case GADGET_ID_FLOOD_FILL:
6537             infotext = "Flood fill";
6538             break;
6539           case GADGET_ID_GRAB_BRUSH:
6540             infotext = "Grabbing brush";
6541             break;
6542           case GADGET_ID_PICK_ELEMENT:
6543             infotext = "Picking element";
6544             break;
6545
6546           default:
6547             infotext = "Drawing position";
6548             break;
6549         }
6550
6551         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6552           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6553                     "%s: %d, %d", infotext, lx, ly);
6554         else
6555           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6556                     "%s: %d, %d", infotext,
6557                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
6558       }
6559       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6560         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6561                   "%s", getElementInfoText(Feld[lx][ly]));
6562       else
6563         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6564                   "Level position: %d, %d", lx, ly);
6565     }
6566
6567     /* misuse this function to draw brush cursor, if needed */
6568     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
6569     {
6570       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6571         CopyBrushToCursor(sx, sy);
6572       else
6573         DeleteBrushFromCursor();
6574     }
6575   }
6576   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6577   {
6578     if (id == GADGET_ID_AMOEBA_CONTENT)
6579       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6580                 getElementInfoText(level.amoeba_content));
6581     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6582       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6583                 getElementInfoText(custom_element.gfx_element));
6584     else if (id == GADGET_ID_CUSTOM_CONTENT)
6585       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6586                 getElementInfoText(custom_element.content[sx][sy]));
6587     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6588       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6589                 getElementInfoText(custom_element.change.target_element));
6590     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6591       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6592                 getElementInfoText(custom_element.change.content[sx][sy]));
6593     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6594       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6595                 getElementInfoText(custom_element.change.trigger_element));
6596     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6597       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6598                 getElementInfoText(random_placement_background_element));
6599     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6600              id <= GADGET_ID_ELEMENT_CONTENT_7)
6601     {
6602       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
6603
6604       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6605                 getElementInfoText(level.yamyam_content[i][sx][sy]));
6606     }
6607   }
6608   else
6609   {
6610     if (id == GADGET_ID_AMOEBA_CONTENT)
6611       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6612                 "Amoeba content");
6613     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6614       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6615                 "Custom graphic element");
6616     else if (id == GADGET_ID_CUSTOM_CONTENT)
6617       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6618                 "Custom element content position: %d, %d", sx, sy);
6619     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6620       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6621                 "New element after change");
6622     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6623       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6624                 "New extended elements after change");
6625     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6626       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6627                 "Other element triggering change");
6628     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6629       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6630                 "Random placement background");
6631     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6632              id <= GADGET_ID_ELEMENT_CONTENT_7)
6633       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6634                 "Content area %d position: %d, %d",
6635                 id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
6636   }
6637 }
6638
6639 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
6640 {
6641   if (!ask_if_level_has_changed ||
6642       !LevelChanged() ||
6643       Request("Level has changed! Exit without saving ?",
6644               REQ_ASK | REQ_STAY_OPEN))
6645   {
6646     CloseDoor(DOOR_CLOSE_1);
6647     /*
6648     CloseDoor(DOOR_CLOSE_ALL);
6649     */
6650     game_status = GAME_MODE_MAIN;
6651     DrawMainMenu();
6652   }
6653   else
6654   {
6655     CloseDoor(DOOR_CLOSE_1);
6656     BlitBitmap(bitmap_db_door, bitmap_db_door,
6657                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
6658                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
6659     OpenDoor(DOOR_OPEN_1);
6660   }
6661 }