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