src/editor.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2002 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * editor.c                                                 *
  12 ***********************************************************/
  13
  14 #include <math.h>
  15
  16 #include "libgame/libgame.h"
  17
  18 #include "editor.h"
  19 #include "screens.h"
  20 #include "tools.h"
  21 #include "files.h"
  22 #include "game.h"
  23 #include "init.h"
  24 #include "tape.h"
  25
  26
  27 /*
  28   -----------------------------------------------------------------------------
  29   screen and artwork graphic pixel position definitions
  30   -----------------------------------------------------------------------------
  31 */
  32
  33 /* positions in the level editor */
  34 #define ED_WIN_MB_LEFT_XPOS             6
  35 #define ED_WIN_MB_LEFT_YPOS             258
  36 #define ED_WIN_MB_MIDDLE_XPOS           42
  37 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  38 #define ED_WIN_MB_RIGHT_XPOS            78
  39 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  40
  41 /* values for the control window */
  42 #define ED_CTRL_BUTTONS_GFX_YPOS        236
  43 #define ED_CTRL_BUTTONS_ALT_GFX_YPOS    142
  44
  45 #define ED_CTRL1_BUTTONS_HORIZ          4
  46 #define ED_CTRL1_BUTTONS_VERT           4
  47 #define ED_CTRL1_BUTTON_XSIZE           22
  48 #define ED_CTRL1_BUTTON_YSIZE           22
  49 #define ED_CTRL1_BUTTONS_XPOS           6
  50 #define ED_CTRL1_BUTTONS_YPOS           6
  51 #define ED_CTRL2_BUTTONS_HORIZ          3
  52 #define ED_CTRL2_BUTTONS_VERT           2
  53 #define ED_CTRL2_BUTTON_XSIZE           30
  54 #define ED_CTRL2_BUTTON_YSIZE           20
  55 #define ED_CTRL2_BUTTONS_XPOS           5
  56 #define ED_CTRL2_BUTTONS_YPOS           99
  57 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  58 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  59 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
  60
  61 /* values for the element list */
  62 #define ED_ELEMENTLIST_XPOS             5
  63 #define ED_ELEMENTLIST_YPOS             30
  64 #define ED_ELEMENTLIST_XSIZE            20
  65 #define ED_ELEMENTLIST_YSIZE            20
  66 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  67 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  68 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  69                                          ED_ELEMENTLIST_BUTTONS_VERT)
  70
  71 /* standard distances */
  72 #define ED_BORDER_SIZE                  3
  73 #define ED_BORDER2_SIZE                 5
  74 #define ED_GADGET_DISTANCE              2
  75 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
  76
  77 /* values for the setting windows */
  78 #define ED_SETTINGS_XSTART              (3 * MINI_TILEX / 2)
  79 #define ED_SETTINGS_YSTART              (MINI_TILEY * 10)
  80
  81 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE + \
  82                                          2 * ED_GADGET_DISTANCE)
  83
  84 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
  85 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
  86
  87 #define ED_SETTINGS_XPOS(n)             (ED_SETTINGS_XSTART + \
  88                                          n * ED_SETTINGS_XOFFSET)
  89 #define ED_SETTINGS_YPOS(n)             (ED_SETTINGS_YSTART + \
  90                                          n * ED_SETTINGS_YOFFSET)
  91
  92 #define ED_SETTINGS1_YPOS               MINI_TILEY
  93 #define ED_SETTINGS2_XPOS               MINI_TILEX
  94 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
  95
  96 /* values for counter gadgets */
  97 #define ED_COUNT_PUSH_DELAY_RND_XPOS    (ED_SETTINGS_XPOS(1) + 16 * MINI_TILEX)
  98 #define ED_COUNT_MOVE_DELAY_RND_XPOS    ED_COUNT_PUSH_DELAY_RND_XPOS
  99 #define ED_COUNT_CHANGE_DELAY_RND_XPOS  (ED_SETTINGS_XPOS(1) + 13 * MINI_TILEX)
 100
 101 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 102 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 103 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
 104                                          n * ED_COUNTER_YDISTANCE)
 105 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 106                                          n * ED_COUNTER_YDISTANCE - 2)
 107
 108 /* values for element content drawing areas */
 109 /* amoeba content */
 110 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 111 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 112
 113 /* custom change target */
 114 #define ED_AREA_ELEM_CONTENT2_XPOS      (20 * MINI_TILEX)
 115 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(2) + \
 116                                          ED_GADGET_DISTANCE)
 117 /* optional custom graphic */
 118 #define ED_AREA_ELEM_CONTENT3_XPOS      (24 * MINI_TILEX)
 119 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(1) + \
 120                                          ED_GADGET_DISTANCE)
 121 /* custom element content */
 122 #define ED_AREA_ELEM_CONTENT4_XPOS      (29 * MINI_TILEX)
 123 #define ED_AREA_ELEM_CONTENT4_YPOS      (ED_SETTINGS_YPOS(12) + \
 124                                          ED_GADGET_DISTANCE - MINI_TILEY)
 125 /* custom change trigger element */
 126 #define ED_AREA_ELEM_CONTENT5_XPOS      (28 * MINI_TILEX)
 127 #define ED_AREA_ELEM_CONTENT5_YPOS      (ED_SETTINGS_YPOS(7) + \
 128                                          ED_GADGET_DISTANCE)
 129 /* extended custom change target */
 130 #define ED_AREA_ELEM_CONTENT6_XPOS      (29 * MINI_TILEX)
 131 #define ED_AREA_ELEM_CONTENT6_YPOS      (ED_SETTINGS_YPOS(10) + \
 132                                          ED_GADGET_DISTANCE - MINI_TILEY)
 133
 134 /* values for random placement background drawing area */
 135 #define ED_AREA_RANDOM_BACKGROUND_XPOS  (29 * MINI_TILEX)
 136 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 137
 138 /* values for scrolling gadgets for drawing area */
 139 #define ED_SCROLLBUTTON_XPOS            24
 140 #define ED_SCROLLBUTTON_YPOS            0
 141 #define ED_SCROLLBAR_XPOS               24
 142 #define ED_SCROLLBAR_YPOS               64
 143
 144 #define ED_SCROLLBUTTON_XSIZE           16
 145 #define ED_SCROLLBUTTON_YSIZE           16
 146
 147 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 148 #define ED_SCROLL_UP_YPOS               (0)
 149 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 150 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 151 #define ED_SCROLL_LEFT_XPOS             (0)
 152 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 153 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 154 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 155 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 156 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 157 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 158 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 159 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 160 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 161 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 162 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 163
 164 /* values for scrolling gadgets for element list */
 165 #define ED_SCROLLBUTTON2_XPOS           50
 166 #define ED_SCROLLBUTTON2_YPOS           0
 167 #define ED_SCROLLBAR2_XPOS              50
 168 #define ED_SCROLLBAR2_YPOS              20
 169
 170 #define ED_SCROLLBUTTON2_XSIZE          10
 171 #define ED_SCROLLBUTTON2_YSIZE          10
 172
 173 #define ED_SCROLL2_UP_XPOS              85
 174 #define ED_SCROLL2_UP_YPOS              30
 175 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 176 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 177                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 178                                          ED_ELEMENTLIST_YSIZE - \
 179                                          ED_SCROLLBUTTON2_YSIZE)
 180 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 181 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 182                                          ED_SCROLLBUTTON2_YSIZE)
 183 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 184 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 185                                          ED_ELEMENTLIST_YSIZE - \
 186                                          2 * ED_SCROLLBUTTON2_YSIZE)
 187
 188 /* values for checkbutton gadgets */
 189 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 190 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 191 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 192 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 193 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 194 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 195 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 196
 197 /* some positions in the editor control window */
 198 #define ED_BUTTON_ELEM_XPOS             6
 199 #define ED_BUTTON_ELEM_YPOS             30
 200 #define ED_BUTTON_ELEM_XSIZE            22
 201 #define ED_BUTTON_ELEM_YSIZE            22
 202
 203 /* some values for text input, selectbox and counter gadgets */
 204 #define ED_BUTTON_COUNT_YPOS            60
 205 #define ED_BUTTON_COUNT_XSIZE           20
 206 #define ED_BUTTON_COUNT_YSIZE           20
 207 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 208 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 209 #define ED_WIN_COUNT_XSIZE              52
 210 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 211 #define ED_WIN_COUNT2_XPOS              27
 212 #define ED_WIN_COUNT2_YPOS              3
 213 #define ED_WIN_COUNT2_XSIZE             46
 214 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 215
 216 #define ED_BUTTON_MINUS_XPOS            2
 217 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 218 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 219 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 220 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 221                                          ED_WIN_COUNT_XSIZE + 2)
 222 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 223 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 224 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 225
 226 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 227 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 228                                          2 + ED_WIN_COUNT_YSIZE)
 229 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 230 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 231
 232 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 233 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 234                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 235 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 236
 237 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 238 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS + \
 239                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 240 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS + \
 241                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 242
 243 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 244 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 245
 246 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 247 #define INFOTEXT_XPOS                   SX
 248 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 249 #define INFOTEXT_XSIZE                  SXSIZE
 250 #define INFOTEXT_YSIZE                  MINI_TILEX
 251
 252
 253 /*
 254   -----------------------------------------------------------------------------
 255   editor gadget definitions
 256   -----------------------------------------------------------------------------
 257 */
 258
 259 /* drawing toolbox buttons */
 260 #define GADGET_ID_NONE                  -1
 261 #define GADGET_ID_TOOLBOX_FIRST         0
 262
 263 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 264 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 265 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 266 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 267 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 268 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 269 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 270 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 271 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 272 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 273 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 274 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 275 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 276 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 277 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 278 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 279 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 280 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 281 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 282 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 283 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 284 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 285
 286 /* counter button identifiers */
 287 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 288
 289 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 290 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 291 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 292 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 293 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 294 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 295 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 296 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 297 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 298 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 299 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 300 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 301 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 302 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 303 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 304 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 305 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 306 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 307 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 308 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 309 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 310 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 311 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 312 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 313 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 314 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 315 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 316 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 27)
 317 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 28)
 318 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 29)
 319 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 30)
 320 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 31)
 321 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 32)
 322 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 323 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 324 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 35)
 325 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 326 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 327 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 38)
 328 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 329 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 330 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 41)
 331 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 42)
 332 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 43)
 333 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 44)
 334 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 45)
 335 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 46)
 336 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 47)
 337 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 48)
 338 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 49)
 339 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 50)
 340 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 51)
 341 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 52)
 342 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 53)
 343
 344 /* drawing area identifiers */
 345 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 54)
 346
 347 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 348 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 349 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 350 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 351 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 352 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 353 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 354 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 355 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 356 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 357 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 358 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 359 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 360 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 13)
 361 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 14)
 362 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 15)
 363
 364 /* text input identifiers */
 365 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 16)
 366
 367 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 368 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 369 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 370
 371 /* selectbox identifiers */
 372 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 373
 374 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 0)
 375 #define GADGET_ID_CUSTOM_CONSISTENCY    (GADGET_ID_SELECTBOX_FIRST + 1)
 376 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 2)
 377 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 3)
 378 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 4)
 379 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 5)
 380 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 6)
 381 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 7)
 382 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 8)
 383 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 9)
 384 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 10)
 385 #define GADGET_ID_CHANGE_PLAYER_ACTION  (GADGET_ID_SELECTBOX_FIRST + 11)
 386 #define GADGET_ID_CHANGE_COLLIDE_ACTION (GADGET_ID_SELECTBOX_FIRST + 12)
 387 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 13)
 388 #define GADGET_ID_CHANGE_POWER          (GADGET_ID_SELECTBOX_FIRST + 14)
 389
 390 /* textbutton identifiers */
 391 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 15)
 392
 393 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 394 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 395 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 396 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 3)
 397
 398 /* gadgets for scrolling of drawing area */
 399 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_TEXTBUTTON_FIRST + 4)
 400
 401 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 402 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 403 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 404 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 405 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 406 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 407
 408 /* gadgets for scrolling element list */
 409 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 410
 411 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 412 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 413 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 414
 415 /* checkbuttons for level/element properties */
 416 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 417
 418 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 419 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 420 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 421 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 422 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 423 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 424 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 425 #define GADGET_ID_CUSTOM_EXPLODE_RESULT (GADGET_ID_CHECKBUTTON_FIRST + 7)
 426 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 427 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 9)
 428 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 10)
 429 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 11)
 430 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 12)
 431 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 432 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 433 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 434 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 16)
 435 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 17)
 436 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 437 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 438 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 439 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 21)
 440 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 22)
 441 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 442 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 24)
 443 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 25)
 444 #define GADGET_ID_CHANGE_BY_PLAYER      (GADGET_ID_CHECKBUTTON_FIRST + 26)
 445 #define GADGET_ID_CHANGE_BY_COLLISION   (GADGET_ID_CHECKBUTTON_FIRST + 27)
 446 #define GADGET_ID_CHANGE_BY_OTHER       (GADGET_ID_CHECKBUTTON_FIRST + 28)
 447
 448 /* gadgets for buttons in element list */
 449 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 29)
 450 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 451                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 452
 453 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 454
 455 /* radio button numbers */
 456 #define RADIO_NR_NONE                   0
 457 #define RADIO_NR_DRAWING_TOOLBOX        1
 458 #define RADIO_NR_RANDOM_ELEMENTS        2
 459
 460 /* values for counter gadgets */
 461 #define ED_COUNTER_ID_SELECT_LEVEL      0
 462 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 463 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 464 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 465 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 466 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 467 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 468 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 469 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 470 #define ED_COUNTER_ID_CUSTOM_SCORE      9
 471 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   10
 472 #define ED_COUNTER_ID_PUSH_DELAY_FIX    11
 473 #define ED_COUNTER_ID_PUSH_DELAY_RND    12
 474 #define ED_COUNTER_ID_MOVE_DELAY_FIX    13
 475 #define ED_COUNTER_ID_MOVE_DELAY_RND    14
 476 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  15
 477 #define ED_COUNTER_ID_CHANGE_DELAY_RND  16
 478 #define ED_COUNTER_ID_CHANGE_CONT_RND   17
 479
 480 #define ED_NUM_COUNTERBUTTONS           18
 481
 482 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 483 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 484
 485 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM_SCORE
 486 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_MOVE_DELAY_RND
 487
 488 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 489 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 490
 491 /* values for scrollbutton gadgets */
 492 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 493 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 494 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 495 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 496 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 497 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 498
 499 #define ED_NUM_SCROLLBUTTONS            6
 500
 501 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 502 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 503
 504 /* values for scrollbar gadgets */
 505 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 506 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 507 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 508
 509 #define ED_NUM_SCROLLBARS               3
 510
 511 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 512 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 513
 514 /* values for text input gadgets */
 515 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 516 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 517 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 518
 519 #define ED_NUM_TEXTINPUT                3
 520
 521 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 522 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 523
 524 /* values for selectbox gadgets */
 525 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   0
 526 #define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY      1
 527 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       2
 528 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     3
 529 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   4
 530 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    5
 531 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    6
 532 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    7
 533 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      8
 534 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     9
 535 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       10
 536 #define ED_SELECTBOX_ID_CHANGE_PLAYER_ACTION    11
 537 #define ED_SELECTBOX_ID_CHANGE_COLLIDE_ACTION   12
 538 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     13
 539 #define ED_SELECTBOX_ID_CHANGE_POWER            14
 540
 541 #define ED_NUM_SELECTBOX                        15
 542
 543 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 544 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER
 545
 546 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 547 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_CHANGE_POWER
 548
 549 /* values for textbutton gadgets */
 550 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 551 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 552 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 553 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       3
 554
 555 #define ED_NUM_TEXTBUTTON                       4
 556
 557 /* values for checkbutton gadgets */
 558 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 559 #define ED_CHECKBUTTON_ID_GRAVITY               1
 560 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 561 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 562 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 563 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT 5
 564 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   6
 565 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  7
 566 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 8
 567 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 9
 568 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         10
 569 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       11
 570 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       12
 571 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      13
 572 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       14
 573 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     15
 574 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    16
 575 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   17
 576 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     18
 577 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    19
 578 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  20
 579 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  21
 580 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     22
 581 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          23
 582 #define ED_CHECKBUTTON_ID_CHANGE_BY_PLAYER      24
 583 #define ED_CHECKBUTTON_ID_CHANGE_BY_COLLISION   25
 584 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER       26
 585
 586 #define ED_NUM_CHECKBUTTONS                     27
 587
 588 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 589 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 590
 591 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT
 592 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE
 593
 594 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 595 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER
 596
 597 /* values for radiobutton gadgets */
 598 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 599 #define ED_RADIOBUTTON_ID_QUANTITY      1
 600
 601 #define ED_NUM_RADIOBUTTONS             2
 602
 603 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 604 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 605
 606
 607 /*
 608   -----------------------------------------------------------------------------
 609   some internally used definitions
 610   -----------------------------------------------------------------------------
 611 */
 612
 613 /* values for CopyLevelToUndoBuffer() */
 614 #define UNDO_IMMEDIATE                  0
 615 #define UNDO_ACCUMULATE                 1
 616
 617 /* values for scrollbars */
 618 #define ED_SCROLL_NO                    0
 619 #define ED_SCROLL_LEFT                  1
 620 #define ED_SCROLL_RIGHT                 2
 621 #define ED_SCROLL_UP                    4
 622 #define ED_SCROLL_DOWN                  8
 623
 624 /* screens in the level editor */
 625 #define ED_MODE_DRAWING                 0
 626 #define ED_MODE_INFO                    1
 627 #define ED_MODE_PROPERTIES              2
 628
 629 /* sub-screens in the element properties section */
 630 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 631 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 632 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 633
 634 /* how many steps can be cancelled */
 635 #define NUM_UNDO_STEPS                  (10 + 1)
 636
 637 /* values for elements with score */
 638 #define MIN_SCORE                       0
 639 #define MAX_SCORE                       255
 640
 641 /* values for elements with gem count */
 642 #define MIN_GEM_COUNT                   0
 643 #define MAX_GEM_COUNT                   100
 644
 645 /* values for random placement */
 646 #define RANDOM_USE_PERCENTAGE           0
 647 #define RANDOM_USE_QUANTITY             1
 648
 649 /* maximal size of level editor drawing area */
 650 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 651 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 652
 653
 654 /*
 655   -----------------------------------------------------------------------------
 656   some internally used data structure definitions
 657   -----------------------------------------------------------------------------
 658 */
 659
 660 static struct
 661 {
 662   char shortcut;
 663   char *text;
 664 } control_info[ED_NUM_CTRL_BUTTONS] =
 665 {
 666   { 's',        "draw single items"             },
 667   { 'd',        "draw connected items"          },
 668   { 'l',        "draw lines"                    },
 669   { 'a',        "draw arcs"                     },
 670   { 'r',        "draw outline rectangles"       },
 671   { 'R',        "draw filled rectangles"        },
 672   { '\0',       "wrap (rotate) level up"        },
 673   { 't',        "enter text elements"           },
 674   { 'f',        "flood fill"                    },
 675   { '\0',       "wrap (rotate) level left"      },
 676   { '?',        "properties of drawing element" },
 677   { '\0',       "wrap (rotate) level right"     },
 678   { '\0',       "random element placement"      },
 679   { 'b',        "grab brush"                    },
 680   { '\0',       "wrap (rotate) level down"      },
 681   { ',',        "pick drawing element"          },
 682   { 'U',        "undo last operation"           },
 683   { 'I',        "level properties"              },
 684   { 'S',        "save level"                    },
 685   { 'C',        "clear level"                   },
 686   { 'T',        "test level"                    },
 687   { 'E',        "exit level editor"             }
 688 };
 689
 690 static int random_placement_value = 10;
 691 static int random_placement_method = RANDOM_USE_QUANTITY;
 692 static int random_placement_background_element = EL_SAND;
 693 static boolean random_placement_background_restricted = FALSE;
 694 static boolean stick_element_properties_window = FALSE;
 695 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 696 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 697 static struct ElementInfo custom_element;
 698
 699 static struct
 700 {
 701   int x, y;
 702   int min_value, max_value;
 703   int gadget_id_down, gadget_id_up;
 704   int gadget_id_text;
 705   int *value;
 706   char *text_above, *text_left, *text_right;
 707 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 708 {
 709   /* ---------- level and editor settings ---------------------------------- */
 710
 711   {
 712     DX + 5 - SX,                        DY + 3 - SY,
 713     1,                                  100,
 714     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 715     GADGET_ID_SELECT_LEVEL_TEXT,
 716     &level_nr,
 717     NULL,                               NULL, NULL
 718   },
 719   {
 720     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 721     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 722     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 723     GADGET_ID_LEVEL_XSIZE_TEXT,
 724     &level.fieldx,
 725     "playfield size",                   NULL, "width",
 726   },
 727   {
 728     ED_SETTINGS_XPOS(0) + 2 * DXSIZE,   ED_COUNTER_YPOS(2),
 729     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 730     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 731     GADGET_ID_LEVEL_YSIZE_TEXT,
 732     &level.fieldy,
 733     NULL,                               NULL, "height",
 734   },
 735   {
 736     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 737     0,                                  999,
 738     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
 739     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 740     &level.gems_needed,
 741     "number of emeralds to collect",    NULL, NULL
 742   },
 743   {
 744     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 745     0,                                  999,
 746     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 747     GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 748     &level.time,
 749     "time available to solve level",    NULL, "(0 => no time limit)"
 750   },
 751   {
 752     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 753     0,                                  255,
 754     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 755     GADGET_ID_LEVEL_TIMESCORE_TEXT,
 756     &level.score[SC_TIME_BONUS],
 757     "score for each 10 seconds left",   NULL, NULL
 758   },
 759   {
 760     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 761     1,                                  100,
 762     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 763     GADGET_ID_LEVEL_RANDOM_TEXT,
 764     &random_placement_value,
 765     "random element placement",         NULL, "in"
 766   },
 767
 768   /* ---------- element settings: configure (various elements) ------------- */
 769
 770   {
 771     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 772     MIN_SCORE,                          MAX_SCORE,
 773     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 774     GADGET_ID_ELEMENT_SCORE_TEXT,
 775     NULL,                               /* will be set when used */
 776     NULL,                               NULL, NULL
 777   },
 778   {
 779     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 780     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 781     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 782     GADGET_ID_ELEMENT_CONTENT_TEXT,
 783     &level.num_yamyam_contents,
 784     NULL,                               NULL, "number of content areas"
 785   },
 786
 787   /* ---------- element settings: configure (custom elements) ------------- */
 788
 789   {
 790     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
 791     MIN_SCORE,                          MAX_SCORE,
 792     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
 793     GADGET_ID_CUSTOM_SCORE_TEXT,
 794     &custom_element.score,
 795     NULL,                               "collect score", NULL
 796   },
 797   {
 798     ED_SETTINGS_XPOS(13) + 10,          ED_SETTINGS_YPOS(3),
 799     MIN_GEM_COUNT,                      MAX_GEM_COUNT,
 800     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
 801     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 802     &custom_element.gem_count,
 803     NULL,                               "gems", NULL
 804   },
 805   {
 806     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 807     0,                                  999,
 808     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
 809     GADGET_ID_PUSH_DELAY_FIX_TEXT,
 810     &custom_element.push_delay_fixed,
 811     NULL,                               "push delay", NULL
 812   },
 813   {
 814     ED_COUNT_PUSH_DELAY_RND_XPOS,       ED_SETTINGS_YPOS(4),
 815     0,                                  999,
 816     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
 817     GADGET_ID_PUSH_DELAY_RND_TEXT,
 818     &custom_element.push_delay_random,
 819     NULL,                               "+random", NULL
 820   },
 821   {
 822     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
 823     0,                                  999,
 824     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
 825     GADGET_ID_MOVE_DELAY_FIX_TEXT,
 826     &custom_element.move_delay_fixed,
 827     NULL,                               "move delay", NULL
 828   },
 829   {
 830     ED_COUNT_MOVE_DELAY_RND_XPOS,       ED_SETTINGS_YPOS(7),
 831     0,                                  999,
 832     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
 833     GADGET_ID_MOVE_DELAY_RND_TEXT,
 834     &custom_element.move_delay_random,
 835     NULL,                               "+random", NULL
 836   },
 837
 838   /* ---------- element settings: advanced (custom elements) --------------- */
 839
 840   {
 841     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(3),
 842     0,                                  999,
 843     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 844     GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 845     &custom_element.change.delay_fixed,
 846     NULL,                               "delay", NULL,
 847   },
 848   {
 849     ED_COUNT_CHANGE_DELAY_RND_XPOS,     ED_SETTINGS_YPOS(3),
 850     0,                                  999,
 851     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 852     GADGET_ID_CHANGE_DELAY_RND_TEXT,
 853     &custom_element.change.delay_random,
 854     NULL,                               "+random", NULL
 855   },
 856   {
 857     ED_SETTINGS_XPOS(3),                ED_SETTINGS_YPOS(12),
 858     0,                                  100,
 859     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
 860     GADGET_ID_CHANGE_CONT_RND_TEXT,
 861     &custom_element.change.random,
 862     NULL,                               "use random change:", NULL
 863   },
 864 };
 865
 866 static struct
 867 {
 868   int x, y;
 869   int gadget_id;
 870   int size;
 871   char *value;
 872   char *infotext;
 873 } textinput_info[ED_NUM_TEXTINPUT] =
 874 {
 875   {
 876     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
 877     GADGET_ID_LEVEL_NAME,
 878     MAX_LEVEL_NAME_LEN,
 879     level.name,
 880     "Title"
 881   },
 882   {
 883     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 884     GADGET_ID_LEVEL_AUTHOR,
 885     MAX_LEVEL_AUTHOR_LEN,
 886     level.author,
 887     "Author"
 888   },
 889   {
 890     5 * MINI_TILEX,                     5 * MINI_TILEY - ED_BORDER_SIZE,
 891     GADGET_ID_ELEMENT_NAME,
 892     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
 893     custom_element.description,
 894     NULL
 895   }
 896 };
 897
 898 static struct ValueTextInfo options_access_type[] =
 899 {
 900   { EP_WALKABLE,                "walk"                          },
 901   { EP_PASSABLE,                "pass"                          },
 902   { -1,                         NULL                            }
 903 };
 904
 905 static struct ValueTextInfo options_access_layer[] =
 906 {
 907   { EP_ACCESSIBLE_OVER,         "over"                          },
 908   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
 909   { EP_ACCESSIBLE_UNDER,        "under"                         },
 910   { -1,                         NULL                            }
 911 };
 912
 913 static struct ValueTextInfo options_walk_to_action[] =
 914 {
 915   { EP_DIGGABLE,                "diggable"                      },
 916   { EP_COLLECTIBLE,             "collectible"                   },
 917   { EP_PUSHABLE,                "pushable"                      },
 918   { -1,                         NULL                            }
 919 };
 920
 921 static struct ValueTextInfo options_move_pattern[] =
 922 {
 923   { MV_LEFT,                    "left"                          },
 924   { MV_RIGHT,                   "right"                         },
 925   { MV_UP,                      "up"                            },
 926   { MV_DOWN,                    "down"                          },
 927   { MV_HORIZONTAL,              "horizontal"                    },
 928   { MV_VERTICAL,                "vertical"                      },
 929   { MV_ALL_DIRECTIONS,          "all directions"                },
 930   { MV_TOWARDS_PLAYER,          "towards player"                },
 931   { MV_AWAY_FROM_PLAYER,        "away from player"              },
 932   { MV_ALONG_LEFT_SIDE,         "along left side"               },
 933   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
 934   { MV_TURNING_LEFT,            "turning left"                  },
 935   { MV_TURNING_RIGHT,           "turning right"                 },
 936   { -1,                         NULL                            }
 937 };
 938
 939 static struct ValueTextInfo options_move_direction[] =
 940 {
 941   { MV_NO_MOVING,               "automatic"                     },
 942   { MV_LEFT,                    "left"                          },
 943   { MV_RIGHT,                   "right"                         },
 944   { MV_UP,                      "up"                            },
 945   { MV_DOWN,                    "down"                          },
 946   { -1,                         NULL                            }
 947 };
 948
 949 static struct ValueTextInfo options_move_stepsize[] =
 950 {
 951   { 1,                          "very slow"                     },
 952   { 2,                          "slow"                          },
 953   { 4,                          "normal"                        },
 954   { 8,                          "fast"                          },
 955   { 16,                         "very fast"                     },
 956   { -1,                         NULL                            }
 957 };
 958
 959 static struct ValueTextInfo options_smash_targets[] =
 960 {
 961   { EP_CAN_SMASH_PLAYER,        "player"                        },
 962   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
 963   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
 964   { -1,                         NULL                            }
 965 };
 966
 967 static struct ValueTextInfo options_slippery_type[] =
 968 {
 969   { SLIPPERY_ANY_RANDOM,        "random"                        },
 970   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
 971   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
 972   { SLIPPERY_ONLY_LEFT,         "only left"                     },
 973   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
 974   { -1,                         NULL                            }
 975 };
 976
 977 static struct ValueTextInfo options_deadliness[] =
 978 {
 979   { EP_DONT_RUN_INTO,           "running into"                  },
 980   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
 981   { EP_DONT_TOUCH,              "touching"                      },
 982   { -1,                         NULL                            }
 983 };
 984
 985 static struct ValueTextInfo options_consistency[] =
 986 {
 987   { EP_CAN_EXPLODE,             "can explode"                   },
 988   { EP_INDESTRUCTIBLE,          "indestructible"                },
 989   { -1,                         NULL                            }
 990 };
 991
 992 static struct ValueTextInfo options_time_units[] =
 993 {
 994   { 50,                         "seconds"                       },
 995   { 1,                          "frames"                        },
 996   { -1,                         NULL                            }
 997 };
 998
 999 static struct ValueTextInfo options_change_player_action[] =
1000 {
1001   { CE_TOUCHED_BY_PLAYER,       "touched"                       },
1002   { CE_PRESSED_BY_PLAYER,       "pressed"                       },
1003   { CE_PUSHED_BY_PLAYER,        "pushed"                        },
1004   { -1,                         NULL                            }
1005 };
1006
1007 static struct ValueTextInfo options_change_collide_action[] =
1008 {
1009   { CE_COLLISION,               "on collision"                  },
1010   { CE_IMPACT,                  "on impact"                     },
1011   { CE_SMASHED,                 "when smashed"                  },
1012   { -1,                         NULL                            }
1013 };
1014
1015 static struct ValueTextInfo options_change_other_action[] =
1016 {
1017   { CE_OTHER_IS_TOUCHING,               "touching"                      },
1018   { CE_OTHER_IS_CHANGING,               "change of"                     },
1019   { CE_OTHER_IS_EXPLODING,              "explosion of"                  },
1020   { CE_OTHER_GETS_TOUCHED,              "player touches"                },
1021   { CE_OTHER_GETS_PRESSED,              "player presses"                },
1022   { CE_OTHER_GETS_PUSHED,               "player pushes"                 },
1023   { CE_OTHER_GETS_COLLECTED,            "player collects"               },
1024   { -1,                         NULL                                    }
1025 };
1026
1027 static struct ValueTextInfo options_change_power[] =
1028 {
1029   { CP_NON_DESTRUCTIVE,         "non-destructive"               },
1030   { CP_HALF_DESTRUCTIVE,        "half-destructive"              },
1031   { CP_FULL_DESTRUCTIVE,        "full-destructive"              },
1032   { -1,                         NULL                            }
1033 };
1034
1035 static struct
1036 {
1037   int x, y;
1038   int gadget_id;
1039   int size;     /* char size of selectbox or '-1' (dynamically determined) */
1040   struct ValueTextInfo *options;
1041   int *value;
1042   char *text_left, *text_right, *infotext;
1043 } selectbox_info[ED_NUM_SELECTBOX] =
1044 {
1045   /* ---------- element settings: configure (custom elements) ------------- */
1046
1047   {
1048     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(1),
1049     GADGET_ID_CUSTOM_ACCESS_TYPE,
1050     -1,
1051     options_access_type,
1052     &custom_element.access_type,
1053     "player can", NULL, "type of access to this field"
1054   },
1055   {
1056     ED_SETTINGS_XPOS(11),               ED_SETTINGS_YPOS(1),
1057     GADGET_ID_CUSTOM_ACCESS_LAYER,
1058     -1,
1059     options_access_layer,
1060     &custom_element.access_layer,
1061     NULL, NULL, "layer of access for this field"
1062   },
1063   {
1064     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1065     GADGET_ID_CUSTOM_WALK_TO_ACTION,
1066     -1,
1067     options_walk_to_action,
1068     &custom_element.walk_to_action,
1069     NULL, NULL, "diggable/collectible/pushable"
1070   },
1071   {
1072     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1073     GADGET_ID_CUSTOM_MOVE_PATTERN,
1074     -1,
1075     options_move_pattern,
1076     &custom_element.move_pattern,
1077     "can move", NULL, "element move direction"
1078   },
1079   {
1080     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1081     GADGET_ID_CUSTOM_MOVE_DIRECTION,
1082     -1,
1083     options_move_direction,
1084     &custom_element.move_direction_initial,
1085     "starts moving", NULL, "initial element move direction"
1086   },
1087   {
1088     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1089     GADGET_ID_CUSTOM_MOVE_STEPSIZE,
1090     -1,
1091     options_move_stepsize,
1092     &custom_element.move_stepsize,
1093     "move/fall speed", NULL, "speed of element movement"
1094   },
1095   {
1096     ED_SETTINGS_XPOS(7),                ED_SETTINGS_YPOS(9),
1097     GADGET_ID_CUSTOM_SMASH_TARGETS,
1098     -1,
1099     options_smash_targets,
1100     &custom_element.smash_targets,
1101     "can smash", NULL, "elements that can be smashed"
1102   },
1103   {
1104     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(10),
1105     GADGET_ID_CUSTOM_SLIPPERY_TYPE,
1106     -1,
1107     options_slippery_type,
1108     &custom_element.slippery_type,
1109     "slippery", NULL, "where other elements fall down"
1110   },
1111   {
1112     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(11),
1113     GADGET_ID_CUSTOM_DEADLINESS,
1114     -1,
1115     options_deadliness,
1116     &custom_element.deadliness,
1117     "deadly when", NULL, "deadliness of element"
1118   },
1119   {
1120     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(12),
1121     GADGET_ID_CUSTOM_CONSISTENCY,
1122     -1,
1123     options_consistency,
1124     &custom_element.consistency,
1125     NULL, "explodes to:", "consistency/destructibility"
1126   },
1127
1128   /* ---------- element settings: advanced (custom elements) --------------- */
1129
1130   {
1131     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
1132     GADGET_ID_CHANGE_TIME_UNITS,
1133     -1,
1134     options_time_units,
1135     &custom_element.change.delay_frames,
1136     "delay time given in", NULL, "delay time units for change"
1137   },
1138   {
1139     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(5),
1140     GADGET_ID_CHANGE_PLAYER_ACTION,
1141     -1,
1142     options_change_player_action,
1143     &custom_element.change_player_action,
1144     NULL, "by player", "type of player contact"
1145   },
1146   {
1147     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(6),
1148     GADGET_ID_CHANGE_COLLIDE_ACTION,
1149     -1,
1150     options_change_collide_action,
1151     &custom_element.change_collide_action,
1152     NULL, NULL, "change after impact or smash"
1153   },
1154   {
1155     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(7),
1156     GADGET_ID_CHANGE_OTHER_ACTION,
1157     -1,
1158     options_change_other_action,
1159     &custom_element.change_other_action,
1160     NULL, "element:", "type of other element action"
1161   },
1162   {
1163     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(10),
1164     GADGET_ID_CHANGE_POWER,
1165     -1,
1166     options_change_power,
1167     &custom_element.change.power,
1168     "power:", NULL, "power of extended change"
1169   },
1170 };
1171
1172 static struct
1173 {
1174   int x, y;
1175   int gadget_id;
1176   int size;
1177   char *text, *infotext;
1178 } textbutton_info[ED_NUM_TEXTBUTTON] =
1179 {
1180   {
1181     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1182     GADGET_ID_PROPERTIES_INFO,
1183     11, "Information",                  "Show information about element"
1184   },
1185   {
1186     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
1187     GADGET_ID_PROPERTIES_CONFIG,
1188     11, "Configure",                    "Configure element properties"
1189   },
1190   {
1191     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
1192     GADGET_ID_PROPERTIES_ADVANCED,
1193     11, "Advanced",                     "Advanced element configuration"
1194   },
1195   {
1196     ED_SETTINGS_XPOS(0) + 262,          ED_SETTINGS_YPOS(13),
1197     GADGET_ID_SAVE_AS_TEMPLATE,
1198     -1, "Save as template",             "Save current settings as new template"
1199   },
1200 };
1201
1202 static struct
1203 {
1204   int gd_x, gd_y;
1205   int x, y;
1206   int gadget_id;
1207   char *infotext;
1208 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
1209 {
1210   {
1211     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
1212     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
1213     GADGET_ID_SCROLL_UP,
1214     "scroll level editing area up"
1215   },
1216   {
1217     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
1218     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
1219     GADGET_ID_SCROLL_DOWN,
1220     "scroll level editing area down"
1221   },
1222   {
1223     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
1224     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
1225     GADGET_ID_SCROLL_LEFT,
1226     "scroll level editing area left"
1227   },
1228   {
1229     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1230     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1231     GADGET_ID_SCROLL_RIGHT,
1232     "scroll level editing area right"
1233   },
1234   {
1235     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1236     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1237     GADGET_ID_SCROLL_LIST_UP,
1238     "scroll element list up ('Page Up')"
1239   },
1240   {
1241     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1242     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
1243     GADGET_ID_SCROLL_LIST_DOWN,
1244     "scroll element list down ('Page Down')"
1245   }
1246 };
1247
1248 static struct
1249 {
1250   int gd_x, gd_y;
1251   int x, y;
1252   int width, height;
1253   int type;
1254   int gadget_id;
1255   char *infotext;
1256 } scrollbar_info[ED_NUM_SCROLLBARS] =
1257 {
1258   {
1259     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1260     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1261     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1262     GD_TYPE_SCROLLBAR_HORIZONTAL,
1263     GADGET_ID_SCROLL_HORIZONTAL,
1264     "scroll level editing area horizontally"
1265   },
1266   {
1267     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1268     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1269     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1270     GD_TYPE_SCROLLBAR_VERTICAL,
1271     GADGET_ID_SCROLL_VERTICAL,
1272     "scroll level editing area vertically"
1273   },
1274   {
1275     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1276     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1277     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1278     GD_TYPE_SCROLLBAR_VERTICAL,
1279     GADGET_ID_SCROLL_LIST_VERTICAL,
1280     "scroll element list vertically"
1281   }
1282 };
1283
1284 static struct
1285 {
1286   int x, y;
1287   int gadget_id;
1288   int radio_button_nr;
1289   int *value;
1290   int checked_value;
1291   char *text_right, *infotext;
1292 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1293 {
1294   {
1295     ED_SETTINGS_XPOS(0) + 160,          ED_COUNTER2_YPOS(8),
1296     GADGET_ID_RANDOM_PERCENTAGE,
1297     RADIO_NR_RANDOM_ELEMENTS,
1298     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1299     "percentage",                       "use percentage for random elements"
1300   },
1301   {
1302     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER2_YPOS(8),
1303     GADGET_ID_RANDOM_QUANTITY,
1304     RADIO_NR_RANDOM_ELEMENTS,
1305     &random_placement_method,           RANDOM_USE_QUANTITY,
1306     "quantity",                         "use quantity for random elements"
1307   }
1308 };
1309
1310 static struct
1311 {
1312   int x, y;
1313   int gadget_id;
1314   boolean *value;
1315   char *text_right, *infotext;
1316 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1317 {
1318   /* ---------- level and editor settings ---------------------------------- */
1319
1320   {
1321     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1322     GADGET_ID_DOUBLE_SPEED,
1323     &level.double_speed,
1324     "double speed movement",            "set movement speed of player"
1325   },
1326   {
1327     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER_YPOS(6) - MINI_TILEY,
1328     GADGET_ID_GRAVITY,
1329     &level.gravity,
1330     "gravity",                          "set level gravity"
1331   },
1332   {
1333     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1334     GADGET_ID_RANDOM_RESTRICTED,
1335     &random_placement_background_restricted,
1336     "restrict random placement to",     "set random placement restriction"
1337   },
1338
1339   /* ---------- element settings: configure (various elements) ------------- */
1340
1341   {
1342     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
1343     GADGET_ID_STICK_ELEMENT,
1344     &stick_element_properties_window,
1345     "stick this screen to edit content","stick this screen to edit content"
1346   },
1347   {
1348     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1349     GADGET_ID_EM_SLIPPERY_GEMS,
1350     &level.em_slippery_gems,
1351     "slip down from certain flat walls","use EM style slipping behaviour"
1352   },
1353
1354   /* ---------- element settings: configure (custom elements) ------------- */
1355
1356   {
1357     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1358     GADGET_ID_CUSTOM_ACCESSIBLE,
1359     &custom_element_properties[EP_ACCESSIBLE],
1360     NULL,                               "player can walk to or pass this field"
1361   },
1362   {
1363     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1364     GADGET_ID_CUSTOM_WALK_TO_OBJECT,
1365     &custom_element_properties[EP_WALK_TO_OBJECT],
1366     NULL,                               "player can dig/collect/push element"
1367   },
1368   {
1369     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1370     GADGET_ID_CUSTOM_CAN_MOVE,
1371     &custom_element_properties[EP_CAN_MOVE],
1372     NULL,                               "element can move in some direction"
1373   },
1374   {
1375     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(9),
1376     GADGET_ID_CUSTOM_CAN_FALL,
1377     &custom_element_properties[EP_CAN_FALL],
1378     "can fall",                         "element can fall down"
1379   },
1380   {
1381     ED_SETTINGS_XPOS(6),                ED_SETTINGS_YPOS(9),
1382     GADGET_ID_CUSTOM_CAN_SMASH,
1383     &custom_element_properties[EP_CAN_SMASH],
1384     NULL,                               "element can smash other elements"
1385   },
1386   {
1387     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1388     GADGET_ID_CUSTOM_SLIPPERY,
1389     &custom_element_properties[EP_SLIPPERY],
1390     NULL,                               "other elements can fall down from it"
1391   },
1392   {
1393     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(11),
1394     GADGET_ID_CUSTOM_DEADLY,
1395     &custom_element_properties[EP_DEADLY],
1396     NULL,                               "element can kill the player"
1397   },
1398   {
1399     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1400     GADGET_ID_CUSTOM_EXPLODE_RESULT,
1401     &custom_element_properties[EP_EXPLODE_RESULT],
1402     NULL,                               "set consistency/destructibility"
1403   },
1404   {
1405     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(13),
1406     GADGET_ID_CUSTOM_EXPLODE_FIRE,
1407     &custom_element.can_explode_by_fire,
1408     "by fire",                          "element can explode by fire/explosion"
1409   },
1410   {
1411     ED_SETTINGS_XPOS(7),                ED_SETTINGS_YPOS(13),
1412     GADGET_ID_CUSTOM_EXPLODE_SMASH,
1413     &custom_element.can_explode_smashed,
1414     "smashed",                          "element can explode when smashed"
1415   },
1416   {
1417     ED_SETTINGS_XPOS(13),               ED_SETTINGS_YPOS(13),
1418     GADGET_ID_CUSTOM_EXPLODE_IMPACT,
1419     &custom_element.can_explode_impact,
1420     "impact",                           "element can explode on impact"
1421   },
1422
1423   /* ---------- element settings: advanced (custom elements) --------------- */
1424
1425   {
1426     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1427     GADGET_ID_CUSTOM_USE_GRAPHIC,
1428     &custom_element.use_gfx_element,
1429     "use graphic of element:",          "use graphic for custom element"
1430   },
1431   {
1432     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1433     GADGET_ID_CUSTOM_CAN_CHANGE,
1434     &custom_element_properties[EP_CAN_CHANGE],
1435     "element changes to    after/when:","element can change to other element"
1436   },
1437   {
1438     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1439     GADGET_ID_CHANGE_DELAY,
1440     &custom_element_change_events[CE_DELAY],
1441     NULL,                               "element changes after delay"
1442   },
1443   {
1444     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1445     GADGET_ID_CHANGE_BY_PLAYER,
1446     &custom_element_change_events[CE_BY_PLAYER],
1447     NULL,                               "element changes by player contact"
1448   },
1449   {
1450     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1451     GADGET_ID_CHANGE_BY_COLLISION,
1452     &custom_element_change_events[CE_BY_COLLISION],
1453     NULL,                               "element changes by impact or smash"
1454   },
1455   {
1456     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
1457     GADGET_ID_CHANGE_BY_OTHER,
1458     &custom_element_change_events[CE_BY_OTHER],
1459     NULL,                               "element changes by other element"
1460   },
1461   {
1462     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1463     GADGET_ID_CHANGE_USE_EXPLOSION,
1464     &custom_element.change.explode,
1465     "explode instead of change",        "element explodes instead of change"
1466   },
1467   {
1468     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
1469     GADGET_ID_CHANGE_USE_CONTENT,
1470     &custom_element.change.use_content,
1471     "use extended change target:",      "element changes to more elements"
1472   },
1473   {
1474     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(11),
1475     GADGET_ID_CHANGE_ONLY_COMPLETE,
1476     &custom_element.change.only_complete,
1477     "only use complete change",         "only use complete extended content"
1478   },
1479   {
1480     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(12),
1481     GADGET_ID_CHANGE_USE_RANDOM,
1482     &custom_element.change.use_random_change,
1483     NULL,                               "use random value for new content"
1484   },
1485   {
1486     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(13),
1487     GADGET_ID_CUSTOM_USE_TEMPLATE,
1488     &level.use_custom_template,
1489     "use template",                     "use template for custom properties"
1490   },
1491 };
1492
1493
1494 /*
1495   -----------------------------------------------------------------------------
1496   some internally used variables
1497   -----------------------------------------------------------------------------
1498 */
1499
1500 /* actual size of level editor drawing area */
1501 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1502
1503 /* actual position of level editor drawing area in level playfield */
1504 static int level_xpos = -1, level_ypos = -1;
1505
1506 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1507
1508 /* drawing elements on the three mouse buttons */
1509 static int new_element1 = EL_WALL;
1510 static int new_element2 = EL_EMPTY;
1511 static int new_element3 = EL_SAND;
1512
1513 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1514                                 (button) == 2 ? new_element2 : \
1515                                 (button) == 3 ? new_element3 : EL_EMPTY)
1516 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1517
1518 /* forward declaration for internal use */
1519 static void ModifyEditorCounter(int, int);
1520 static void ModifyEditorCounterLimits(int, int, int);
1521 static void ModifyEditorSelectbox(int, int);
1522 static void ModifyEditorElementList();
1523 static void DrawDrawingWindow();
1524 static void DrawLevelInfoWindow();
1525 static void DrawPropertiesWindow();
1526 static boolean checkPropertiesConfig();
1527 static void CopyLevelToUndoBuffer(int);
1528 static void HandleDrawingAreas(struct GadgetInfo *);
1529 static void HandleCounterButtons(struct GadgetInfo *);
1530 static void HandleTextInputGadgets(struct GadgetInfo *);
1531 static void HandleSelectboxGadgets(struct GadgetInfo *);
1532 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1533 static void HandleRadiobuttons(struct GadgetInfo *);
1534 static void HandleCheckbuttons(struct GadgetInfo *);
1535 static void HandleControlButtons(struct GadgetInfo *);
1536 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1537
1538 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1539
1540 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1541 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1542 static boolean draw_with_brush = FALSE;
1543 static int properties_element = 0;
1544
1545 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1546 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1547 static int undo_buffer_position = 0;
1548 static int undo_buffer_steps = 0;
1549
1550 static int edit_mode;
1551 static int edit_mode_properties;
1552
1553 static int element_shift = 0;
1554
1555 static int editor_el_boulderdash[] =
1556 {
1557   EL_CHAR('B'),
1558   EL_CHAR('O'),
1559   EL_CHAR('U'),
1560   EL_CHAR('L'),
1561
1562   EL_CHAR('-'),
1563   EL_CHAR('D'),
1564   EL_CHAR('E'),
1565   EL_CHAR('R'),
1566
1567   EL_CHAR('D'),
1568   EL_CHAR('A'),
1569   EL_CHAR('S'),
1570   EL_CHAR('H'),
1571
1572   EL_PLAYER_1,
1573   EL_EMPTY,
1574   EL_SAND,
1575   EL_STEELWALL,
1576
1577   EL_BD_WALL,
1578   EL_BD_MAGIC_WALL,
1579   EL_EXIT_CLOSED,
1580   EL_EXIT_OPEN,
1581
1582   EL_BD_DIAMOND,
1583   EL_BD_BUTTERFLY_UP,
1584   EL_BD_FIREFLY_UP,
1585   EL_BD_ROCK,
1586
1587   EL_BD_BUTTERFLY_LEFT,
1588   EL_BD_FIREFLY_LEFT,
1589   EL_BD_BUTTERFLY_RIGHT,
1590   EL_BD_FIREFLY_RIGHT,
1591
1592   EL_BD_AMOEBA,
1593   EL_BD_BUTTERFLY_DOWN,
1594   EL_BD_FIREFLY_DOWN,
1595   EL_EMPTY,
1596 };
1597 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1598
1599 static int editor_el_emerald_mine[] =
1600 {
1601   EL_CHAR('E'),
1602   EL_CHAR('M'),
1603   EL_CHAR('E'),
1604   EL_CHAR('-'),
1605
1606   EL_CHAR('R'),
1607   EL_CHAR('A'),
1608   EL_CHAR('L'),
1609   EL_CHAR('D'),
1610
1611   EL_CHAR('M'),
1612   EL_CHAR('I'),
1613   EL_CHAR('N'),
1614   EL_CHAR('E'),
1615
1616   EL_PLAYER_1,
1617   EL_PLAYER_2,
1618   EL_PLAYER_3,
1619   EL_PLAYER_4,
1620
1621   EL_PLAYER_1,
1622   EL_EMPTY,
1623   EL_SAND,
1624   EL_ROCK,
1625
1626   EL_STEELWALL,
1627   EL_WALL,
1628   EL_WALL_CRUMBLED,
1629   EL_MAGIC_WALL,
1630
1631   EL_EMERALD,
1632   EL_DIAMOND,
1633   EL_NUT,
1634   EL_BOMB,
1635
1636   EL_WALL_EMERALD,
1637   EL_WALL_DIAMOND,
1638   EL_QUICKSAND_EMPTY,
1639   EL_QUICKSAND_FULL,
1640
1641   EL_DYNAMITE,
1642   EL_DYNAMITE_ACTIVE,
1643   EL_EXIT_CLOSED,
1644   EL_EXIT_OPEN,
1645
1646   EL_YAMYAM,
1647   EL_BUG_UP,
1648   EL_SPACESHIP_UP,
1649   EL_ROBOT,
1650
1651   EL_BUG_LEFT,
1652   EL_SPACESHIP_LEFT,
1653   EL_BUG_RIGHT,
1654   EL_SPACESHIP_RIGHT,
1655
1656   EL_ROBOT_WHEEL,
1657   EL_BUG_DOWN,
1658   EL_SPACESHIP_DOWN,
1659   EL_INVISIBLE_WALL,
1660
1661   EL_ACID_POOL_TOPLEFT,
1662   EL_ACID,
1663   EL_ACID_POOL_TOPRIGHT,
1664   EL_EMPTY,
1665
1666   EL_ACID_POOL_BOTTOMLEFT,
1667   EL_ACID_POOL_BOTTOM,
1668   EL_ACID_POOL_BOTTOMRIGHT,
1669   EL_EMPTY,
1670
1671   EL_AMOEBA_DROP,
1672   EL_AMOEBA_DEAD,
1673   EL_AMOEBA_WET,
1674   EL_AMOEBA_DRY,
1675
1676   EL_EM_KEY_1_FILE,
1677   EL_EM_KEY_2_FILE,
1678   EL_EM_KEY_3_FILE,
1679   EL_EM_KEY_4_FILE,
1680
1681   EL_EM_GATE_1,
1682   EL_EM_GATE_2,
1683   EL_EM_GATE_3,
1684   EL_EM_GATE_4,
1685
1686   EL_EM_GATE_1_GRAY,
1687   EL_EM_GATE_2_GRAY,
1688   EL_EM_GATE_3_GRAY,
1689   EL_EM_GATE_4_GRAY,
1690 };
1691 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1692
1693 static int editor_el_more[] =
1694 {
1695   EL_CHAR('M'),
1696   EL_CHAR('O'),
1697   EL_CHAR('R'),
1698   EL_CHAR('E'),
1699
1700   EL_KEY_1,
1701   EL_KEY_2,
1702   EL_KEY_3,
1703   EL_KEY_4,
1704
1705   EL_GATE_1,
1706   EL_GATE_2,
1707   EL_GATE_3,
1708   EL_GATE_4,
1709
1710   EL_GATE_1_GRAY,
1711   EL_GATE_2_GRAY,
1712   EL_GATE_3_GRAY,
1713   EL_GATE_4_GRAY,
1714
1715   EL_ARROW_LEFT,
1716   EL_ARROW_RIGHT,
1717   EL_ARROW_UP,
1718   EL_ARROW_DOWN,
1719
1720   EL_AMOEBA_FULL,
1721   EL_EMERALD_YELLOW,
1722   EL_EMERALD_RED,
1723   EL_EMERALD_PURPLE,
1724
1725   EL_WALL_BD_DIAMOND,
1726   EL_WALL_EMERALD_YELLOW,
1727   EL_WALL_EMERALD_RED,
1728   EL_WALL_EMERALD_PURPLE,
1729
1730   EL_GAME_OF_LIFE,
1731   EL_PACMAN_UP,
1732   EL_TIME_ORB_FULL,
1733   EL_TIME_ORB_EMPTY,
1734
1735   EL_PACMAN_LEFT,
1736   EL_DARK_YAMYAM,
1737   EL_PACMAN_RIGHT,
1738   EL_EXPANDABLE_WALL,
1739
1740   EL_BIOMAZE,
1741   EL_PACMAN_DOWN,
1742   EL_LAMP,
1743   EL_LAMP_ACTIVE,
1744
1745   EL_DYNABOMB_INCREASE_NUMBER,
1746   EL_DYNABOMB_INCREASE_SIZE,
1747   EL_DYNABOMB_INCREASE_POWER,
1748   EL_STONEBLOCK,
1749
1750   EL_MOLE,
1751   EL_PENGUIN,
1752   EL_PIG,
1753   EL_DRAGON,
1754
1755   EL_EMPTY,
1756   EL_MOLE_UP,
1757   EL_EMPTY,
1758   EL_EMPTY,
1759
1760   EL_MOLE_LEFT,
1761   EL_EMPTY,
1762   EL_MOLE_RIGHT,
1763   EL_EMPTY,
1764
1765   EL_EMPTY,
1766   EL_MOLE_DOWN,
1767   EL_BALLOON,
1768   EL_BALLOON_SWITCH_ANY,
1769
1770   EL_BALLOON_SWITCH_LEFT,
1771   EL_BALLOON_SWITCH_RIGHT,
1772   EL_BALLOON_SWITCH_UP,
1773   EL_BALLOON_SWITCH_DOWN,
1774
1775   EL_SATELLITE,
1776   EL_EXPANDABLE_WALL_HORIZONTAL,
1777   EL_EXPANDABLE_WALL_VERTICAL,
1778   EL_EXPANDABLE_WALL_ANY,
1779
1780   EL_INVISIBLE_STEELWALL,
1781   EL_INVISIBLE_WALL,
1782   EL_SPEED_PILL,
1783   EL_BLACK_ORB,
1784
1785   EL_EMC_STEELWALL_1,
1786   EL_EMC_WALL_1,
1787   EL_EMC_WALL_2,
1788   EL_EMC_WALL_3,
1789
1790   EL_EMC_WALL_4,
1791   EL_EMC_WALL_5,
1792   EL_EMC_WALL_6,
1793   EL_EMC_WALL_7,
1794 };
1795 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1796
1797 static int editor_el_sokoban[] =
1798 {
1799   EL_CHAR('S'),
1800   EL_CHAR('O'),
1801   EL_CHAR('K'),
1802   EL_CHAR('O'),
1803
1804   EL_CHAR('-'),
1805   EL_CHAR('B'),
1806   EL_CHAR('A'),
1807   EL_CHAR('N'),
1808
1809   EL_SOKOBAN_OBJECT,
1810   EL_SOKOBAN_FIELD_EMPTY,
1811   EL_SOKOBAN_FIELD_FULL,
1812   EL_STEELWALL,
1813 };
1814 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1815
1816 static int editor_el_supaplex[] =
1817 {
1818   EL_CHAR('S'),
1819   EL_CHAR('U'),
1820   EL_CHAR('P'),
1821   EL_CHAR('A'),
1822
1823   EL_CHAR('P'),
1824   EL_CHAR('L'),
1825   EL_CHAR('E'),
1826   EL_CHAR('X'),
1827
1828   EL_SP_EMPTY,
1829   EL_SP_ZONK,
1830   EL_SP_BASE,
1831   EL_SP_MURPHY,
1832
1833   EL_SP_INFOTRON,
1834   EL_SP_CHIP_SINGLE,
1835   EL_SP_HARDWARE_GRAY,
1836   EL_SP_EXIT_CLOSED,
1837
1838   EL_SP_DISK_ORANGE,
1839   EL_SP_PORT_RIGHT,
1840   EL_SP_PORT_DOWN,
1841   EL_SP_PORT_LEFT,
1842
1843   EL_SP_PORT_UP,
1844   EL_SP_GRAVITY_PORT_RIGHT,
1845   EL_SP_GRAVITY_PORT_DOWN,
1846   EL_SP_GRAVITY_PORT_LEFT,
1847
1848   EL_SP_GRAVITY_PORT_UP,
1849   EL_SP_SNIKSNAK,
1850   EL_SP_DISK_YELLOW,
1851   EL_SP_TERMINAL,
1852
1853   EL_SP_DISK_RED,
1854   EL_SP_PORT_VERTICAL,
1855   EL_SP_PORT_HORIZONTAL,
1856   EL_SP_PORT_ANY,
1857
1858   EL_SP_ELECTRON,
1859   EL_SP_BUGGY_BASE,
1860   EL_SP_CHIP_LEFT,
1861   EL_SP_CHIP_RIGHT,
1862
1863   EL_SP_HARDWARE_BASE_1,
1864   EL_SP_HARDWARE_GREEN,
1865   EL_SP_HARDWARE_BLUE,
1866   EL_SP_HARDWARE_RED,
1867
1868   EL_SP_HARDWARE_YELLOW,
1869   EL_SP_HARDWARE_BASE_2,
1870   EL_SP_HARDWARE_BASE_3,
1871   EL_SP_HARDWARE_BASE_4,
1872
1873   EL_SP_HARDWARE_BASE_5,
1874   EL_SP_HARDWARE_BASE_6,
1875   EL_SP_CHIP_TOP,
1876   EL_SP_CHIP_BOTTOM,
1877 };
1878 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1879
1880 static int editor_el_diamond_caves[] =
1881 {
1882   EL_CHAR('D'),
1883   EL_CHAR('I'),
1884   EL_CHAR('A'),
1885   EL_CHAR('-'),
1886
1887   EL_CHAR('M'),
1888   EL_CHAR('O'),
1889   EL_CHAR('N'),
1890   EL_CHAR('D'),
1891
1892   EL_CHAR('C'),
1893   EL_CHAR('A'),
1894   EL_CHAR('V'),
1895   EL_CHAR('E'),
1896
1897   EL_CHAR('S'),
1898   EL_CHAR(' '),
1899   EL_CHAR('I'),
1900   EL_CHAR('I'),
1901
1902   EL_PEARL,
1903   EL_CRYSTAL,
1904   EL_WALL_PEARL,
1905   EL_WALL_CRYSTAL,
1906
1907   EL_CONVEYOR_BELT_1_LEFT,
1908   EL_CONVEYOR_BELT_1_MIDDLE,
1909   EL_CONVEYOR_BELT_1_RIGHT,
1910   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1911
1912   EL_CONVEYOR_BELT_2_LEFT,
1913   EL_CONVEYOR_BELT_2_MIDDLE,
1914   EL_CONVEYOR_BELT_2_RIGHT,
1915   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1916
1917   EL_CONVEYOR_BELT_3_LEFT,
1918   EL_CONVEYOR_BELT_3_MIDDLE,
1919   EL_CONVEYOR_BELT_3_RIGHT,
1920   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1921
1922   EL_CONVEYOR_BELT_4_LEFT,
1923   EL_CONVEYOR_BELT_4_MIDDLE,
1924   EL_CONVEYOR_BELT_4_RIGHT,
1925   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1926
1927   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1928   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1929   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1930   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1931
1932   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1933   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1934   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1935   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1936
1937   EL_SWITCHGATE_OPEN,
1938   EL_SWITCHGATE_CLOSED,
1939   EL_SWITCHGATE_SWITCH_UP,
1940   EL_ENVELOPE,
1941
1942   EL_TIMEGATE_CLOSED,
1943   EL_TIMEGATE_OPEN,
1944   EL_TIMEGATE_SWITCH,
1945   EL_EMPTY,
1946
1947   EL_LANDMINE,
1948   EL_INVISIBLE_SAND,
1949   EL_STEELWALL_SLANTED,
1950   EL_EMPTY,
1951
1952   EL_SIGN_EXCLAMATION,
1953   EL_SIGN_STOP,
1954   EL_LIGHT_SWITCH,
1955   EL_LIGHT_SWITCH_ACTIVE,
1956
1957   EL_SHIELD_NORMAL,
1958   EL_SHIELD_DEADLY,
1959   EL_EXTRA_TIME,
1960   EL_EMPTY,
1961 };
1962 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1963
1964 static int editor_el_dx_boulderdash[] =
1965 {
1966   EL_CHAR('D'),
1967   EL_CHAR('X'),
1968   EL_CHAR('-'),
1969   EL_CHAR(' '),
1970
1971   EL_CHAR('B'),
1972   EL_CHAR('O'),
1973   EL_CHAR('U'),
1974   EL_CHAR('L'),
1975
1976   EL_CHAR('-'),
1977   EL_CHAR('D'),
1978   EL_CHAR('E'),
1979   EL_CHAR('R'),
1980
1981   EL_CHAR('D'),
1982   EL_CHAR('A'),
1983   EL_CHAR('S'),
1984   EL_CHAR('H'),
1985
1986   EL_SPRING,
1987   EL_TUBE_RIGHT_DOWN,
1988   EL_TUBE_HORIZONTAL_DOWN,
1989   EL_TUBE_LEFT_DOWN,
1990
1991   EL_TUBE_HORIZONTAL,
1992   EL_TUBE_VERTICAL_RIGHT,
1993   EL_TUBE_ANY,
1994   EL_TUBE_VERTICAL_LEFT,
1995
1996   EL_TUBE_VERTICAL,
1997   EL_TUBE_RIGHT_UP,
1998   EL_TUBE_HORIZONTAL_UP,
1999   EL_TUBE_LEFT_UP,
2000
2001   EL_TRAP,
2002   EL_DX_SUPABOMB,
2003   EL_EMPTY,
2004   EL_EMPTY
2005 };
2006 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
2007
2008 static int editor_el_chars[] =
2009 {
2010   EL_CHAR('T'),
2011   EL_CHAR('E'),
2012   EL_CHAR('X'),
2013   EL_CHAR('T'),
2014
2015   EL_CHAR(' '),
2016   EL_CHAR('!'),
2017   EL_CHAR('"'),
2018   EL_CHAR('#'),
2019
2020   EL_CHAR('$'),
2021   EL_CHAR('%'),
2022   EL_CHAR('&'),
2023   EL_CHAR('\''),
2024
2025   EL_CHAR('('),
2026   EL_CHAR(')'),
2027   EL_CHAR('*'),
2028   EL_CHAR('+'),
2029
2030   EL_CHAR(','),
2031   EL_CHAR('-'),
2032   EL_CHAR('.'),
2033   EL_CHAR('/'),
2034
2035   EL_CHAR('0'),
2036   EL_CHAR('1'),
2037   EL_CHAR('2'),
2038   EL_CHAR('3'),
2039
2040   EL_CHAR('4'),
2041   EL_CHAR('5'),
2042   EL_CHAR('6'),
2043   EL_CHAR('7'),
2044
2045   EL_CHAR('8'),
2046   EL_CHAR('9'),
2047   EL_CHAR(':'),
2048   EL_CHAR(';'),
2049
2050   EL_CHAR('<'),
2051   EL_CHAR('='),
2052   EL_CHAR('>'),
2053   EL_CHAR('?'),
2054
2055   EL_CHAR('@'),
2056   EL_CHAR('A'),
2057   EL_CHAR('B'),
2058   EL_CHAR('C'),
2059
2060   EL_CHAR('D'),
2061   EL_CHAR('E'),
2062   EL_CHAR('F'),
2063   EL_CHAR('G'),
2064
2065   EL_CHAR('H'),
2066   EL_CHAR('I'),
2067   EL_CHAR('J'),
2068   EL_CHAR('K'),
2069
2070   EL_CHAR('L'),
2071   EL_CHAR('M'),
2072   EL_CHAR('N'),
2073   EL_CHAR('O'),
2074
2075   EL_CHAR('P'),
2076   EL_CHAR('Q'),
2077   EL_CHAR('R'),
2078   EL_CHAR('S'),
2079
2080   EL_CHAR('T'),
2081   EL_CHAR('U'),
2082   EL_CHAR('V'),
2083   EL_CHAR('W'),
2084
2085   EL_CHAR('X'),
2086   EL_CHAR('Y'),
2087   EL_CHAR('Z'),
2088   EL_CHAR('['),
2089
2090   EL_CHAR('\\'),
2091   EL_CHAR(']'),
2092   EL_CHAR('^'),
2093   EL_CHAR('_'),
2094
2095   EL_CHAR('©'),
2096   EL_CHAR('Ä'),
2097   EL_CHAR('Ö'),
2098   EL_CHAR('Ü'),
2099
2100   EL_CHAR('°'),
2101   EL_CHAR('®'),
2102   EL_CHAR(FONT_ASCII_CURSOR),
2103   EL_CHAR(' ')
2104 };
2105 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
2106
2107 static int editor_el_custom[] =
2108 {
2109   EL_CHAR('C'),
2110   EL_CHAR('U'),
2111   EL_CHAR('S'),
2112   EL_CHAR('-'),
2113
2114   EL_CHAR('T'),
2115   EL_CHAR('O'),
2116   EL_CHAR('M'),
2117   EL_CHAR(' '),
2118
2119   EL_CHAR('E'),
2120   EL_CHAR('L'),
2121   EL_CHAR('E'),
2122   EL_CHAR('M'),
2123
2124   EL_CHAR('E'),
2125   EL_CHAR('N'),
2126   EL_CHAR('T'),
2127   EL_CHAR('S'),
2128
2129   EL_CUSTOM_START + 0,
2130   EL_CUSTOM_START + 1,
2131   EL_CUSTOM_START + 2,
2132   EL_CUSTOM_START + 3,
2133
2134   EL_CUSTOM_START + 4,
2135   EL_CUSTOM_START + 5,
2136   EL_CUSTOM_START + 6,
2137   EL_CUSTOM_START + 7,
2138
2139   EL_CUSTOM_START + 8,
2140   EL_CUSTOM_START + 9,
2141   EL_CUSTOM_START + 10,
2142   EL_CUSTOM_START + 11,
2143
2144   EL_CUSTOM_START + 12,
2145   EL_CUSTOM_START + 13,
2146   EL_CUSTOM_START + 14,
2147   EL_CUSTOM_START + 15,
2148
2149   EL_CUSTOM_START + 16,
2150   EL_CUSTOM_START + 17,
2151   EL_CUSTOM_START + 18,
2152   EL_CUSTOM_START + 19,
2153
2154   EL_CUSTOM_START + 20,
2155   EL_CUSTOM_START + 21,
2156   EL_CUSTOM_START + 22,
2157   EL_CUSTOM_START + 23,
2158
2159   EL_CUSTOM_START + 24,
2160   EL_CUSTOM_START + 25,
2161   EL_CUSTOM_START + 26,
2162   EL_CUSTOM_START + 27,
2163
2164   EL_CUSTOM_START + 28,
2165   EL_CUSTOM_START + 29,
2166   EL_CUSTOM_START + 30,
2167   EL_CUSTOM_START + 31,
2168
2169   EL_CUSTOM_START + 32,
2170   EL_CUSTOM_START + 33,
2171   EL_CUSTOM_START + 34,
2172   EL_CUSTOM_START + 35,
2173
2174   EL_CUSTOM_START + 36,
2175   EL_CUSTOM_START + 37,
2176   EL_CUSTOM_START + 38,
2177   EL_CUSTOM_START + 39,
2178
2179   EL_CUSTOM_START + 40,
2180   EL_CUSTOM_START + 41,
2181   EL_CUSTOM_START + 42,
2182   EL_CUSTOM_START + 43,
2183
2184   EL_CUSTOM_START + 44,
2185   EL_CUSTOM_START + 45,
2186   EL_CUSTOM_START + 46,
2187   EL_CUSTOM_START + 47,
2188
2189   EL_CUSTOM_START + 48,
2190   EL_CUSTOM_START + 49,
2191   EL_CUSTOM_START + 50,
2192   EL_CUSTOM_START + 51,
2193
2194   EL_CUSTOM_START + 52,
2195   EL_CUSTOM_START + 53,
2196   EL_CUSTOM_START + 54,
2197   EL_CUSTOM_START + 55,
2198
2199   EL_CUSTOM_START + 56,
2200   EL_CUSTOM_START + 57,
2201   EL_CUSTOM_START + 58,
2202   EL_CUSTOM_START + 59,
2203
2204   EL_CUSTOM_START + 60,
2205   EL_CUSTOM_START + 61,
2206   EL_CUSTOM_START + 62,
2207   EL_CUSTOM_START + 63,
2208
2209   EL_CUSTOM_START + 64,
2210   EL_CUSTOM_START + 65,
2211   EL_CUSTOM_START + 66,
2212   EL_CUSTOM_START + 67,
2213
2214   EL_CUSTOM_START + 68,
2215   EL_CUSTOM_START + 69,
2216   EL_CUSTOM_START + 70,
2217   EL_CUSTOM_START + 71,
2218
2219   EL_CUSTOM_START + 72,
2220   EL_CUSTOM_START + 73,
2221   EL_CUSTOM_START + 74,
2222   EL_CUSTOM_START + 75,
2223
2224   EL_CUSTOM_START + 76,
2225   EL_CUSTOM_START + 77,
2226   EL_CUSTOM_START + 78,
2227   EL_CUSTOM_START + 79,
2228
2229   EL_CUSTOM_START + 80,
2230   EL_CUSTOM_START + 81,
2231   EL_CUSTOM_START + 82,
2232   EL_CUSTOM_START + 83,
2233
2234   EL_CUSTOM_START + 84,
2235   EL_CUSTOM_START + 85,
2236   EL_CUSTOM_START + 86,
2237   EL_CUSTOM_START + 87,
2238
2239   EL_CUSTOM_START + 88,
2240   EL_CUSTOM_START + 89,
2241   EL_CUSTOM_START + 90,
2242   EL_CUSTOM_START + 91,
2243
2244   EL_CUSTOM_START + 92,
2245   EL_CUSTOM_START + 93,
2246   EL_CUSTOM_START + 94,
2247   EL_CUSTOM_START + 95,
2248
2249   EL_CUSTOM_START + 96,
2250   EL_CUSTOM_START + 97,
2251   EL_CUSTOM_START + 98,
2252   EL_CUSTOM_START + 99,
2253
2254   EL_CUSTOM_START + 100,
2255   EL_CUSTOM_START + 101,
2256   EL_CUSTOM_START + 102,
2257   EL_CUSTOM_START + 103,
2258
2259   EL_CUSTOM_START + 104,
2260   EL_CUSTOM_START + 105,
2261   EL_CUSTOM_START + 106,
2262   EL_CUSTOM_START + 107,
2263
2264   EL_CUSTOM_START + 108,
2265   EL_CUSTOM_START + 109,
2266   EL_CUSTOM_START + 110,
2267   EL_CUSTOM_START + 111,
2268
2269   EL_CUSTOM_START + 112,
2270   EL_CUSTOM_START + 113,
2271   EL_CUSTOM_START + 114,
2272   EL_CUSTOM_START + 115,
2273
2274   EL_CUSTOM_START + 116,
2275   EL_CUSTOM_START + 117,
2276   EL_CUSTOM_START + 118,
2277   EL_CUSTOM_START + 119,
2278
2279   EL_CUSTOM_START + 120,
2280   EL_CUSTOM_START + 121,
2281   EL_CUSTOM_START + 122,
2282   EL_CUSTOM_START + 123,
2283
2284   EL_CUSTOM_START + 124,
2285   EL_CUSTOM_START + 125,
2286   EL_CUSTOM_START + 126,
2287   EL_CUSTOM_START + 127
2288 };
2289 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
2290
2291 static int *editor_elements = NULL;     /* dynamically allocated */
2292 static int num_editor_elements = 0;     /* dynamically determined */
2293
2294 static struct
2295 {
2296   boolean *setup_value;
2297   int *element_list;
2298   int *element_list_size;
2299
2300   boolean last_setup_value;
2301 }
2302 editor_elements_info[] =
2303 {
2304   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
2305     &num_editor_el_boulderdash                                          },
2306   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
2307     &num_editor_el_emerald_mine                                         },
2308   { &setup.editor.el_more,              editor_el_more,
2309     &num_editor_el_more                                                 },
2310   { &setup.editor.el_sokoban,           editor_el_sokoban,
2311     &num_editor_el_sokoban                                              },
2312   { &setup.editor.el_supaplex,          editor_el_supaplex,
2313     &num_editor_el_supaplex                                             },
2314   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
2315     &num_editor_el_diamond_caves                                        },
2316   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
2317     &num_editor_el_dx_boulderdash                                       },
2318   { &setup.editor.el_chars,             editor_el_chars,
2319     &num_editor_el_chars                                                },
2320   { &setup.editor.el_custom,            editor_el_custom,
2321     &num_editor_el_custom                                               },
2322   { NULL,                               NULL,
2323     NULL                                                                }
2324 };
2325
2326
2327 /*
2328   -----------------------------------------------------------------------------
2329   functions
2330   -----------------------------------------------------------------------------
2331 */
2332
2333 static void ReinitializeElementList()
2334 {
2335   int pos = 0;
2336   int i, j;
2337
2338   if (editor_elements != NULL)
2339     free(editor_elements);
2340
2341   num_editor_elements = 0;
2342
2343   /* determine size of element list */
2344   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2345     if (*editor_elements_info[i].setup_value)
2346       num_editor_elements += *editor_elements_info[i].element_list_size;
2347
2348   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
2349   {
2350     /* workaround: offer at least as many elements as element buttons exist */
2351     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
2352
2353     *editor_elements_info[list_nr].setup_value = TRUE;
2354     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
2355   }
2356
2357   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
2358
2359   /* fill element list */
2360   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2361     if (*editor_elements_info[i].setup_value)
2362       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
2363         editor_elements[pos++] = editor_elements_info[i].element_list[j];
2364 }
2365
2366 static void ReinitializeElementListButtons()
2367 {
2368   static boolean initialization_needed = TRUE;
2369   int i;
2370
2371   if (!initialization_needed)   /* check if editor element setup has changed */
2372     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2373       if (editor_elements_info[i].last_setup_value !=
2374           *editor_elements_info[i].setup_value)
2375         initialization_needed = TRUE;
2376
2377   if (!initialization_needed)
2378     return;
2379
2380   FreeLevelEditorGadgets();
2381   CreateLevelEditorGadgets();
2382
2383   /* store current setup values for next invocation of this function */
2384   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2385     editor_elements_info[i].last_setup_value =
2386       *editor_elements_info[i].setup_value;
2387
2388   initialization_needed = FALSE;
2389 }
2390
2391 static int getCounterGadgetWidth()
2392 {
2393   return (DXSIZE + getFontWidth(FONT_INPUT_1) - 2 * ED_GADGET_DISTANCE);
2394 }
2395
2396 static int getMaxInfoTextLength()
2397 {
2398   return (SXSIZE / getFontWidth(FONT_TEXT_2));
2399 }
2400
2401 static char *getElementInfoText(int element)
2402 {
2403   char *info_text = NULL;
2404
2405   if (element < NUM_FILE_ELEMENTS)
2406   {
2407     if (strlen(element_info[element].description) > 0)
2408       info_text = element_info[element].description;
2409     else if (element_info[element].custom_description != NULL)
2410       info_text = element_info[element].custom_description;
2411     else if (element_info[element].editor_description != NULL)
2412       info_text = element_info[element].editor_description;
2413   }
2414
2415   if (info_text == NULL)
2416   {
2417     info_text = "unknown";
2418
2419     Error(ERR_WARN, "no element description for element %d", element);
2420   }
2421
2422   return info_text;
2423 }
2424
2425 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
2426 {
2427   int x,y;
2428   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
2429   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
2430
2431   BlitBitmap(drawto, drawto,
2432              SX + (dx == -1 ? MINI_TILEX : 0),
2433              SY + (dy == -1 ? MINI_TILEY : 0),
2434              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
2435              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
2436              SX + (dx == +1 ? MINI_TILEX : 0),
2437              SY + (dy == +1 ? MINI_TILEY : 0));
2438   if (dx)
2439   {
2440     x = (dx == 1 ? 0 : ed_fieldx - 1);
2441     for(y=0; y<ed_fieldy; y++)
2442       DrawMiniElementOrWall(x, y, from_x, from_y);
2443   }
2444   else if (dy)
2445   {
2446     y = (dy == 1 ? 0 : ed_fieldy - 1);
2447     for(x=0; x<ed_fieldx; x++)
2448       DrawMiniElementOrWall(x, y, from_x, from_y);
2449   }
2450
2451   redraw_mask |= REDRAW_FIELD;
2452   BackToFront();
2453 }
2454
2455 static void CreateControlButtons()
2456 {
2457   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2458   struct GadgetInfo *gi;
2459   unsigned long event_mask;
2460   int i;
2461
2462   /* create toolbox buttons */
2463   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2464   {
2465     int id = i;
2466     int width, height;
2467     int gd_xoffset, gd_yoffset;
2468     int gd_x1, gd_x2, gd_y1, gd_y2;
2469     int button_type;
2470     int radio_button_nr;
2471     boolean checked;
2472
2473     if (id == GADGET_ID_SINGLE_ITEMS ||
2474         id == GADGET_ID_CONNECTED_ITEMS ||
2475         id == GADGET_ID_LINE ||
2476         id == GADGET_ID_ARC ||
2477         id == GADGET_ID_TEXT ||
2478         id == GADGET_ID_RECTANGLE ||
2479         id == GADGET_ID_FILLED_BOX ||
2480         id == GADGET_ID_FLOOD_FILL ||
2481         id == GADGET_ID_GRAB_BRUSH ||
2482         id == GADGET_ID_PICK_ELEMENT)
2483     {
2484       button_type = GD_TYPE_RADIO_BUTTON;
2485       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
2486       checked = (id == drawing_function ? TRUE : FALSE);
2487       event_mask = GD_EVENT_PRESSED;
2488     }
2489     else
2490     {
2491       button_type = GD_TYPE_NORMAL_BUTTON;
2492       radio_button_nr = RADIO_NR_NONE;
2493       checked = FALSE;
2494
2495       if (id == GADGET_ID_WRAP_LEFT ||
2496           id == GADGET_ID_WRAP_RIGHT ||
2497           id == GADGET_ID_WRAP_UP ||
2498           id == GADGET_ID_WRAP_DOWN)
2499         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2500       else
2501         event_mask = GD_EVENT_RELEASED;
2502     }
2503
2504     if (id < ED_NUM_CTRL1_BUTTONS)
2505     {
2506       int x = i % ED_CTRL1_BUTTONS_HORIZ;
2507       int y = i / ED_CTRL1_BUTTONS_HORIZ;
2508
2509       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
2510       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
2511       width = ED_CTRL1_BUTTON_XSIZE;
2512       height = ED_CTRL1_BUTTON_YSIZE;
2513     }
2514     else
2515     {
2516       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
2517       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
2518
2519       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
2520       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
2521       width = ED_CTRL2_BUTTON_XSIZE;
2522       height = ED_CTRL2_BUTTON_YSIZE;
2523     }
2524
2525     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
2526     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
2527     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
2528     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
2529
2530     gi = CreateGadget(GDI_CUSTOM_ID, id,
2531                       GDI_CUSTOM_TYPE_ID, i,
2532                       GDI_INFO_TEXT, control_info[i].text,
2533                       GDI_X, EX + gd_xoffset,
2534                       GDI_Y, EY + gd_yoffset,
2535                       GDI_WIDTH, width,
2536                       GDI_HEIGHT, height,
2537                       GDI_TYPE, button_type,
2538                       GDI_STATE, GD_BUTTON_UNPRESSED,
2539                       GDI_RADIO_NR, radio_button_nr,
2540                       GDI_CHECKED, checked,
2541                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2542                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2543                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2544                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2545                       GDI_EVENT_MASK, event_mask,
2546                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2547                       GDI_CALLBACK_ACTION, HandleControlButtons,
2548                       GDI_END);
2549
2550     if (gi == NULL)
2551       Error(ERR_EXIT, "cannot create gadget");
2552
2553     level_editor_gadget[id] = gi;
2554   }
2555
2556   /* create buttons for scrolling of drawing area and element list */
2557   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
2558   {
2559     int id = scrollbutton_info[i].gadget_id;
2560     int x, y, width, height;
2561     int gd_x1, gd_x2, gd_y1, gd_y2;
2562
2563     x = scrollbutton_info[i].x;
2564     y = scrollbutton_info[i].y;
2565
2566     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2567
2568     if (id == GADGET_ID_SCROLL_LIST_UP ||
2569         id == GADGET_ID_SCROLL_LIST_DOWN)
2570     {
2571       x += DX;
2572       y += DY;
2573       width = ED_SCROLLBUTTON2_XSIZE;
2574       height = ED_SCROLLBUTTON2_YSIZE;
2575       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2576       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2577       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
2578       gd_y2 = gd_y1;
2579     }
2580     else
2581     {
2582       x += SX;
2583       y += SY;
2584       width = ED_SCROLLBUTTON_XSIZE;
2585       height = ED_SCROLLBUTTON_YSIZE;
2586       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2587       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2588       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2589       gd_y2 = gd_y1;
2590     }
2591
2592     gi = CreateGadget(GDI_CUSTOM_ID, id,
2593                       GDI_CUSTOM_TYPE_ID, i,
2594                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2595                       GDI_X, x,
2596                       GDI_Y, y,
2597                       GDI_WIDTH, width,
2598                       GDI_HEIGHT, height,
2599                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2600                       GDI_STATE, GD_BUTTON_UNPRESSED,
2601                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2602                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2603                       GDI_EVENT_MASK, event_mask,
2604                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2605                       GDI_CALLBACK_ACTION, HandleControlButtons,
2606                       GDI_END);
2607
2608     if (gi == NULL)
2609       Error(ERR_EXIT, "cannot create gadget");
2610
2611     level_editor_gadget[id] = gi;
2612   }
2613
2614   /* create buttons for element list */
2615   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2616   {
2617     Bitmap *deco_bitmap;
2618     int deco_x, deco_y, deco_xpos, deco_ypos;
2619     int gd_xoffset, gd_yoffset;
2620     int gd_x1, gd_x2, gd_y;
2621     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
2622     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
2623     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
2624     int element = editor_elements[i];
2625
2626     event_mask = GD_EVENT_RELEASED;
2627
2628     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
2629     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
2630
2631     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
2632     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
2633     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
2634
2635     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
2636     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
2637     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
2638
2639     gi = CreateGadget(GDI_CUSTOM_ID, id,
2640                       GDI_CUSTOM_TYPE_ID, i,
2641                       GDI_INFO_TEXT, getElementInfoText(element),
2642                       GDI_X, DX + gd_xoffset,
2643                       GDI_Y, DY + gd_yoffset,
2644                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
2645                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
2646                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2647                       GDI_STATE, GD_BUTTON_UNPRESSED,
2648                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2649                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2650                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2651                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2652                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2653                       GDI_DECORATION_SHIFTING, 1, 1,
2654                       GDI_EVENT_MASK, event_mask,
2655                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2656                       GDI_CALLBACK_ACTION, HandleControlButtons,
2657                       GDI_END);
2658
2659     if (gi == NULL)
2660       Error(ERR_EXIT, "cannot create gadget");
2661
2662     level_editor_gadget[id] = gi;
2663   }
2664 }
2665
2666 static void CreateCounterButtons()
2667 {
2668   int max_infotext_len = getMaxInfoTextLength();
2669   int i;
2670
2671   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
2672   {
2673     int j;
2674     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
2675     int ypos = SY + counterbutton_info[i].y;
2676     int xoffset = 0;
2677
2678     /* determine horizontal offset for leading counter text */
2679     if (counterbutton_info[i].text_left != NULL)
2680       xoffset = (getFontWidth(FONT_TEXT_1) *
2681                  strlen(counterbutton_info[i].text_left) +
2682                  ED_GADGET_TEXT_DISTANCE);
2683
2684     for (j=0; j<2; j++)
2685     {
2686       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2687       struct GadgetInfo *gi;
2688       int id = (j == 0 ?
2689                 counterbutton_info[i].gadget_id_down :
2690                 counterbutton_info[i].gadget_id_up);
2691       int gd_xoffset;
2692       int gd_x, gd_x1, gd_x2, gd_y;
2693       int x_size, y_size;
2694       unsigned long event_mask;
2695       char infotext[max_infotext_len + 1];
2696
2697       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2698
2699       if (i == ED_COUNTER_ID_SELECT_LEVEL)
2700       {
2701         int sid = (j == 0 ?
2702                    ED_SCROLLBUTTON_ID_AREA_LEFT :
2703                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
2704
2705         event_mask |= GD_EVENT_RELEASED;
2706
2707         if (j == 1)
2708           xpos += 2 * ED_GADGET_DISTANCE;
2709         ypos += ED_GADGET_DISTANCE;
2710
2711         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
2712         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2713         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
2714         x_size = ED_SCROLLBUTTON_XSIZE;
2715         y_size = ED_SCROLLBUTTON_YSIZE;
2716       }
2717       else
2718       {
2719         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
2720         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2721         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2722         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
2723         x_size = ED_BUTTON_COUNT_XSIZE;
2724         y_size = ED_BUTTON_COUNT_YSIZE;
2725       }
2726
2727       sprintf(infotext, "%s counter value by 1, 5 or 10",
2728               (j == 0 ? "decrease" : "increase"));
2729
2730       gi = CreateGadget(GDI_CUSTOM_ID, id,
2731                         GDI_CUSTOM_TYPE_ID, i,
2732                         GDI_INFO_TEXT, infotext,
2733                         GDI_X, xpos + xoffset,
2734                         GDI_Y, ypos,
2735                         GDI_WIDTH, x_size,
2736                         GDI_HEIGHT, y_size,
2737                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2738                         GDI_STATE, GD_BUTTON_UNPRESSED,
2739                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2740                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2741                         GDI_EVENT_MASK, event_mask,
2742                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2743                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2744                         GDI_END);
2745
2746       if (gi == NULL)
2747         Error(ERR_EXIT, "cannot create gadget");
2748
2749       level_editor_gadget[id] = gi;
2750       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
2751
2752       if (j == 0)
2753       {
2754         int font_type = FONT_INPUT_1;
2755         int font_type_active = FONT_INPUT_1_ACTIVE;
2756         int gd_width = ED_WIN_COUNT_XSIZE;
2757
2758         id = counterbutton_info[i].gadget_id_text;
2759         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2760
2761         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2762         {
2763           font_type = FONT_LEVEL_NUMBER;
2764           font_type_active = FONT_LEVEL_NUMBER;
2765
2766           xpos += 2 * ED_GADGET_DISTANCE;
2767           ypos -= ED_GADGET_DISTANCE;
2768
2769           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2770           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2771           gd_width = ED_WIN_COUNT2_XSIZE;
2772         }
2773         else
2774         {
2775           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2776           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2777         }
2778
2779         gi = CreateGadget(GDI_CUSTOM_ID, id,
2780                           GDI_CUSTOM_TYPE_ID, i,
2781                           GDI_INFO_TEXT, "enter counter value",
2782                           GDI_X, xpos + xoffset,
2783                           GDI_Y, ypos,
2784                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2785                           GDI_NUMBER_VALUE, 0,
2786                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2787                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2788                           GDI_TEXT_SIZE, 3,
2789                           GDI_TEXT_FONT, font_type,
2790                           GDI_TEXT_FONT_ACTIVE, font_type_active,
2791                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2792                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2793                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2794                           GDI_DESIGN_WIDTH, gd_width,
2795                           GDI_EVENT_MASK, event_mask,
2796                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2797                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2798                           GDI_END);
2799
2800         if (gi == NULL)
2801           Error(ERR_EXIT, "cannot create gadget");
2802
2803         level_editor_gadget[id] = gi;
2804         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
2805       }
2806     }
2807   }
2808 }
2809
2810 static void CreateDrawingAreas()
2811 {
2812   struct GadgetInfo *gi;
2813   unsigned long event_mask;
2814   int id;
2815   int i;
2816
2817   event_mask =
2818     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
2819     GD_EVENT_OFF_BORDERS;
2820
2821   /* one for the level drawing area ... */
2822   id = GADGET_ID_DRAWING_LEVEL;
2823   gi = CreateGadget(GDI_CUSTOM_ID, id,
2824                     GDI_X, SX,
2825                     GDI_Y, SY,
2826                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2827                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2828                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2829                     GDI_EVENT_MASK, event_mask,
2830                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2831                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2832                     GDI_END);
2833
2834   if (gi == NULL)
2835     Error(ERR_EXIT, "cannot create gadget");
2836
2837   level_editor_gadget[id] = gi;
2838
2839   /* ... up to eight areas for element content ... */
2840   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2841   {
2842     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
2843     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
2844
2845     id = GADGET_ID_ELEMENT_CONTENT_0 + i;
2846     gi = CreateGadget(GDI_CUSTOM_ID, id,
2847                       GDI_CUSTOM_TYPE_ID, i,
2848                       GDI_X, gx,
2849                       GDI_Y, gy,
2850                       GDI_WIDTH, 3 * MINI_TILEX,
2851                       GDI_HEIGHT, 3 * MINI_TILEY,
2852                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2853                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2854                       GDI_EVENT_MASK, event_mask,
2855                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2856                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2857                       GDI_END);
2858
2859     if (gi == NULL)
2860       Error(ERR_EXIT, "cannot create gadget");
2861
2862     level_editor_gadget[id] = gi;
2863   }
2864
2865   /* ... one for the amoeba content ... */
2866   id = GADGET_ID_AMOEBA_CONTENT;
2867   gi = CreateGadget(GDI_CUSTOM_ID, id,
2868                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2869                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2870                     GDI_WIDTH, MINI_TILEX,
2871                     GDI_HEIGHT, MINI_TILEY,
2872                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2873                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2874                     GDI_EVENT_MASK, event_mask,
2875                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2876                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2877                     GDI_END);
2878
2879   if (gi == NULL)
2880     Error(ERR_EXIT, "cannot create gadget");
2881
2882   level_editor_gadget[id] = gi;
2883
2884   /* ... one for each custom element optional graphic element ... */
2885   id = GADGET_ID_CUSTOM_GRAPHIC;
2886   gi = CreateGadget(GDI_CUSTOM_ID, id,
2887                     GDI_X, SX + ED_AREA_ELEM_CONTENT3_XPOS,
2888                     GDI_Y, SY + ED_AREA_ELEM_CONTENT3_YPOS,
2889                     GDI_WIDTH, MINI_TILEX,
2890                     GDI_HEIGHT, MINI_TILEY,
2891                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2892                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2893                     GDI_EVENT_MASK, event_mask,
2894                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2895                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2896                     GDI_END);
2897
2898   if (gi == NULL)
2899     Error(ERR_EXIT, "cannot create gadget");
2900
2901   level_editor_gadget[id] = gi;
2902
2903   /* ... one area for custom element explosion content ... */
2904   id = GADGET_ID_CUSTOM_CONTENT;
2905   gi = CreateGadget(GDI_CUSTOM_ID, id,
2906                     GDI_CUSTOM_TYPE_ID, i,
2907                     GDI_X, SX + ED_AREA_ELEM_CONTENT4_XPOS,
2908                     GDI_Y, SX + ED_AREA_ELEM_CONTENT4_YPOS,
2909                     GDI_WIDTH, 3 * MINI_TILEX,
2910                     GDI_HEIGHT, 3 * MINI_TILEY,
2911                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2912                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2913                     GDI_EVENT_MASK, event_mask,
2914                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2915                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2916                     GDI_END);
2917
2918   if (gi == NULL)
2919     Error(ERR_EXIT, "cannot create gadget");
2920
2921   level_editor_gadget[id] = gi;
2922
2923   /* ... one for each custom element change target element ... */
2924   id = GADGET_ID_CUSTOM_CHANGE_TARGET;
2925   gi = CreateGadget(GDI_CUSTOM_ID, id,
2926                     GDI_X, SX + ED_AREA_ELEM_CONTENT2_XPOS,
2927                     GDI_Y, SY + ED_AREA_ELEM_CONTENT2_YPOS,
2928                     GDI_WIDTH, MINI_TILEX,
2929                     GDI_HEIGHT, MINI_TILEY,
2930                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2931                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2932                     GDI_EVENT_MASK, event_mask,
2933                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2934                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2935                     GDI_END);
2936
2937   if (gi == NULL)
2938     Error(ERR_EXIT, "cannot create gadget");
2939
2940   level_editor_gadget[id] = gi;
2941
2942   /* ... one area for extended custom element change target content ... */
2943   id = GADGET_ID_CUSTOM_CHANGE_CONTENT;
2944   gi = CreateGadget(GDI_CUSTOM_ID, id,
2945                     GDI_CUSTOM_TYPE_ID, i,
2946                     GDI_X, SX + ED_AREA_ELEM_CONTENT6_XPOS,
2947                     GDI_Y, SX + ED_AREA_ELEM_CONTENT6_YPOS,
2948                     GDI_WIDTH, 3 * MINI_TILEX,
2949                     GDI_HEIGHT, 3 * MINI_TILEY,
2950                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2951                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2952                     GDI_EVENT_MASK, event_mask,
2953                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2954                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2955                     GDI_END);
2956
2957   if (gi == NULL)
2958     Error(ERR_EXIT, "cannot create gadget");
2959
2960   level_editor_gadget[id] = gi;
2961
2962   /* ... one for each custom element change trigger element ... */
2963   id = GADGET_ID_CUSTOM_CHANGE_TRIGGER;
2964   gi = CreateGadget(GDI_CUSTOM_ID, id,
2965                     GDI_X, SX + ED_AREA_ELEM_CONTENT5_XPOS,
2966                     GDI_Y, SY + ED_AREA_ELEM_CONTENT5_YPOS,
2967                     GDI_WIDTH, MINI_TILEX,
2968                     GDI_HEIGHT, MINI_TILEY,
2969                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2970                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2971                     GDI_EVENT_MASK, event_mask,
2972                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2973                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2974                     GDI_END);
2975
2976   if (gi == NULL)
2977     Error(ERR_EXIT, "cannot create gadget");
2978
2979   level_editor_gadget[id] = gi;
2980
2981   /* ... and one for random placement background restrictions */
2982   id = GADGET_ID_RANDOM_BACKGROUND;
2983   gi = CreateGadget(GDI_CUSTOM_ID, id,
2984                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2985                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2986                     GDI_WIDTH, MINI_TILEX,
2987                     GDI_HEIGHT, MINI_TILEY,
2988                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2989                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2990                     GDI_EVENT_MASK, event_mask,
2991                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2992                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2993                     GDI_END);
2994
2995   if (gi == NULL)
2996     Error(ERR_EXIT, "cannot create gadget");
2997
2998   level_editor_gadget[id] = gi;
2999 }
3000
3001 static void CreateTextInputGadgets()
3002 {
3003   int max_infotext_len = getMaxInfoTextLength();
3004   int i;
3005
3006   for (i=0; i<ED_NUM_TEXTINPUT; i++)
3007   {
3008     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3009     int gd_x, gd_y;
3010     struct GadgetInfo *gi;
3011     unsigned long event_mask;
3012     char infotext[MAX_OUTPUT_LINESIZE + 1];
3013     int id = textinput_info[i].gadget_id;
3014
3015     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3016
3017     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3018     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3019
3020     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
3021     infotext[max_infotext_len] = '\0';
3022
3023     gi = CreateGadget(GDI_CUSTOM_ID, id,
3024                       GDI_CUSTOM_TYPE_ID, i,
3025                       GDI_INFO_TEXT, infotext,
3026                       GDI_X, SX + textinput_info[i].x,
3027                       GDI_Y, SY + textinput_info[i].y,
3028                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
3029                       GDI_TEXT_VALUE, textinput_info[i].value,
3030                       GDI_TEXT_SIZE, textinput_info[i].size,
3031                       GDI_TEXT_FONT, FONT_INPUT_1,
3032                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3033                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3034                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3035                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3036                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3037                       GDI_EVENT_MASK, event_mask,
3038                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3039                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
3040                       GDI_END);
3041
3042     if (gi == NULL)
3043       Error(ERR_EXIT, "cannot create gadget");
3044
3045     level_editor_gadget[id] = gi;
3046   }
3047 }
3048
3049 static void CreateSelectboxGadgets()
3050 {
3051   int max_infotext_len = getMaxInfoTextLength();
3052   int i, j;
3053
3054   for (i=0; i<ED_NUM_SELECTBOX; i++)
3055   {
3056     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3057     int gd_x, gd_y;
3058     int xoffset = 0;
3059     struct GadgetInfo *gi;
3060     unsigned long event_mask;
3061     char infotext[MAX_OUTPUT_LINESIZE + 1];
3062     int id = selectbox_info[i].gadget_id;
3063
3064     if (selectbox_info[i].size == -1)   /* dynamically determine size */
3065     {
3066       /* (we cannot use -1 for uninitialized values if we directly compare
3067          with results from strlen(), because the '<' and '>' operation will
3068          implicitely cast -1 to an unsigned integer value!) */
3069       selectbox_info[i].size = 0;
3070
3071       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
3072         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
3073           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
3074
3075       selectbox_info[i].size++;         /* add one character empty space */
3076     }
3077
3078     event_mask = GD_EVENT_RELEASED |
3079       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3080
3081     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
3082     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
3083
3084     /* determine horizontal offset for leading selectbox text */
3085     if (selectbox_info[i].text_left != NULL)
3086       xoffset = (getFontWidth(FONT_TEXT_1) *
3087                  strlen(selectbox_info[i].text_left) +
3088                  ED_GADGET_TEXT_DISTANCE);
3089
3090     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
3091     infotext[max_infotext_len] = '\0';
3092
3093     gi = CreateGadget(GDI_CUSTOM_ID, id,
3094                       GDI_CUSTOM_TYPE_ID, i,
3095                       GDI_INFO_TEXT, infotext,
3096                       GDI_X, SX + selectbox_info[i].x + xoffset,
3097                       GDI_Y, SY + selectbox_info[i].y,
3098                       GDI_TYPE, GD_TYPE_SELECTBOX,
3099                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
3100                       GDI_TEXT_SIZE, selectbox_info[i].size,
3101                       GDI_TEXT_FONT, FONT_INPUT_1,
3102                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3103                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3104                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3105                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3106                       GDI_BORDER_SIZE_SELECTBUTTON, getFontWidth(FONT_INPUT_1),
3107                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3108                       GDI_EVENT_MASK, event_mask,
3109                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3110                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
3111                       GDI_END);
3112
3113     if (gi == NULL)
3114       Error(ERR_EXIT, "cannot create gadget");
3115
3116     level_editor_gadget[id] = gi;
3117   }
3118 }
3119
3120 static void CreateTextbuttonGadgets()
3121 {
3122   int max_infotext_len = getMaxInfoTextLength();
3123   int i;
3124
3125   for (i=0; i<ED_NUM_TEXTBUTTON; i++)
3126   {
3127     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3128     int gd_x1, gd_x2, gd_y1, gd_y2;
3129     struct GadgetInfo *gi;
3130     unsigned long event_mask;
3131     char infotext[MAX_OUTPUT_LINESIZE + 1];
3132     int id = textbutton_info[i].gadget_id;
3133
3134     if (textbutton_info[i].size == -1)  /* dynamically determine size */
3135       textbutton_info[i].size = strlen(textbutton_info[i].text);
3136
3137     event_mask = GD_EVENT_RELEASED;
3138
3139     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
3140     {
3141       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
3142       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
3143       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
3144       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
3145     }
3146     else
3147     {
3148       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
3149       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
3150       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
3151       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
3152     }
3153
3154     sprintf(infotext, "%s", textbutton_info[i].infotext);
3155     infotext[max_infotext_len] = '\0';
3156
3157     gi = CreateGadget(GDI_CUSTOM_ID, id,
3158                       GDI_CUSTOM_TYPE_ID, i,
3159                       GDI_INFO_TEXT, infotext,
3160                       GDI_X, SX + textbutton_info[i].x,
3161                       GDI_Y, SY + textbutton_info[i].y,
3162                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
3163                       GDI_TEXT_VALUE, textbutton_info[i].text,
3164                       GDI_TEXT_SIZE, textbutton_info[i].size,
3165                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
3166                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
3167                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3168                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3169                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3170                       GDI_BORDER_SIZE, ED_BORDER2_SIZE, ED_BORDER_SIZE,
3171                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3172                       GDI_DECORATION_SHIFTING, 1, 1,
3173                       GDI_EVENT_MASK, event_mask,
3174                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3175                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
3176                       GDI_END);
3177
3178     if (gi == NULL)
3179       Error(ERR_EXIT, "cannot create gadget");
3180
3181     level_editor_gadget[id] = gi;
3182   }
3183 }
3184
3185 static void CreateScrollbarGadgets()
3186 {
3187   int i;
3188
3189   for (i=0; i<ED_NUM_SCROLLBARS; i++)
3190   {
3191     int id = scrollbar_info[i].gadget_id;
3192     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3193     int gd_x1, gd_x2, gd_y1, gd_y2;
3194     struct GadgetInfo *gi;
3195     int items_max, items_visible, item_position;
3196     unsigned long event_mask;
3197
3198     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
3199     {
3200       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
3201       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
3202       item_position = 0;
3203     }
3204     else        /* drawing area scrollbars */
3205     {
3206       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
3207       {
3208         items_max = MAX(lev_fieldx + 2, ed_fieldx);
3209         items_visible = ed_fieldx;
3210         item_position = 0;
3211       }
3212       else
3213       {
3214         items_max = MAX(lev_fieldy + 2, ed_fieldy);
3215         items_visible = ed_fieldy;
3216         item_position = 0;
3217       }
3218     }
3219
3220     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
3221
3222     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
3223     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
3224                       scrollbar_info[i].height : scrollbar_info[i].width));
3225     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3226     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3227
3228     gi = CreateGadget(GDI_CUSTOM_ID, id,
3229                       GDI_CUSTOM_TYPE_ID, i,
3230                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
3231                       GDI_X, scrollbar_info[i].x,
3232                       GDI_Y, scrollbar_info[i].y,
3233                       GDI_WIDTH, scrollbar_info[i].width,
3234                       GDI_HEIGHT, scrollbar_info[i].height,
3235                       GDI_TYPE, scrollbar_info[i].type,
3236                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
3237                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3238                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
3239                       GDI_STATE, GD_BUTTON_UNPRESSED,
3240                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3241                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3242                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3243                       GDI_EVENT_MASK, event_mask,
3244                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3245                       GDI_CALLBACK_ACTION, HandleControlButtons,
3246                       GDI_END);
3247
3248     if (gi == NULL)
3249       Error(ERR_EXIT, "cannot create gadget");
3250
3251     level_editor_gadget[id] = gi;
3252   }
3253 }
3254
3255 static void CreateCheckbuttonGadgets()
3256 {
3257   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3258   struct GadgetInfo *gi;
3259   unsigned long event_mask;
3260   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3261   boolean checked;
3262   int i;
3263
3264   event_mask = GD_EVENT_PRESSED;
3265
3266   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3267   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3268   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3269   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3270   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3271
3272   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
3273   {
3274     int id = radiobutton_info[i].gadget_id;
3275
3276     checked =
3277       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3278
3279     gi = CreateGadget(GDI_CUSTOM_ID, id,
3280                       GDI_CUSTOM_TYPE_ID, i,
3281                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
3282                       GDI_X, SX + radiobutton_info[i].x,
3283                       GDI_Y, SY + radiobutton_info[i].y,
3284                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3285                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3286                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
3287                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
3288                       GDI_CHECKED, checked,
3289                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3290                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3291                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3292                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3293                       GDI_EVENT_MASK, event_mask,
3294                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3295                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
3296                       GDI_END);
3297
3298     if (gi == NULL)
3299       Error(ERR_EXIT, "cannot create gadget");
3300
3301     level_editor_gadget[id] = gi;
3302   }
3303
3304   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
3305   {
3306     int id = checkbutton_info[i].gadget_id;
3307
3308     if (id == GADGET_ID_STICK_ELEMENT)
3309       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
3310     else
3311       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
3312
3313     gi = CreateGadget(GDI_CUSTOM_ID, id,
3314                       GDI_CUSTOM_TYPE_ID, i,
3315                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
3316                       GDI_X, SX + checkbutton_info[i].x,
3317                       GDI_Y, SY + checkbutton_info[i].y,
3318                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3319                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3320                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
3321                       GDI_CHECKED, *checkbutton_info[i].value,
3322                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3323                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3324                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3325                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3326                       GDI_EVENT_MASK, event_mask,
3327                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3328                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
3329                       GDI_END);
3330
3331     if (gi == NULL)
3332       Error(ERR_EXIT, "cannot create gadget");
3333
3334     level_editor_gadget[id] = gi;
3335   }
3336 }
3337
3338 void CreateLevelEditorGadgets()
3339 {
3340   int old_game_status = game_status;
3341
3342   /* setting 'game_status' is needed to get the right fonts for the editor */
3343   game_status = GAME_MODE_EDITOR;
3344
3345   ReinitializeElementList();
3346
3347   CreateControlButtons();
3348   CreateCounterButtons();
3349   CreateDrawingAreas();
3350   CreateTextInputGadgets();
3351   CreateSelectboxGadgets();
3352   CreateTextbuttonGadgets();
3353   CreateScrollbarGadgets();
3354   CreateCheckbuttonGadgets();
3355
3356   game_status = old_game_status;
3357 }
3358
3359 void FreeLevelEditorGadgets()
3360 {
3361   int i;
3362
3363   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3364     FreeGadget(level_editor_gadget[i]);
3365 }
3366
3367 static void MapCounterButtons(int id)
3368 {
3369   char infotext[MAX_OUTPUT_LINESIZE + 1];
3370   int max_infotext_len = getMaxInfoTextLength();
3371   int xoffset_above = 0;
3372   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3373   int xoffset_left = 0;
3374   int yoffset_left = ED_BORDER_SIZE;
3375   int xoffset_right = getCounterGadgetWidth();
3376   int yoffset_right = ED_BORDER_SIZE;
3377   int x, y;
3378
3379   if (counterbutton_info[id].text_above)
3380   {
3381     x = SX + counterbutton_info[id].x + xoffset_above;
3382     y = SY + counterbutton_info[id].y + yoffset_above;
3383
3384     sprintf(infotext, "%s:", counterbutton_info[id].text_above);
3385     infotext[max_infotext_len] = '\0';
3386     DrawText(x, y, infotext, FONT_TEXT_1);
3387   }
3388
3389   if (counterbutton_info[id].text_left)
3390   {
3391     x = SX + counterbutton_info[id].x + xoffset_left;
3392     y = SY + counterbutton_info[id].y + yoffset_left;
3393
3394     sprintf(infotext, "%s", counterbutton_info[id].text_left);
3395     infotext[max_infotext_len] = '\0';
3396     DrawText(x, y, infotext, FONT_TEXT_1);
3397   }
3398
3399   if (counterbutton_info[id].text_right)
3400   {
3401     int gadget_id = counterbutton_info[id].gadget_id_down;
3402
3403     x = level_editor_gadget[gadget_id]->x + xoffset_right;
3404     y = SY + counterbutton_info[id].y + yoffset_right;
3405
3406     sprintf(infotext, "%s", counterbutton_info[id].text_right);
3407     infotext[max_infotext_len] = '\0';
3408     DrawText(x, y, infotext, FONT_TEXT_1);
3409   }
3410
3411   ModifyEditorCounter(id, *counterbutton_info[id].value);
3412
3413   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
3414   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
3415   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
3416 }
3417
3418 static void MapControlButtons()
3419 {
3420   int counter_id;
3421   int i;
3422
3423   /* map toolbox buttons */
3424   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
3425     MapGadget(level_editor_gadget[i]);
3426
3427   /* map buttons to select elements */
3428   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3429     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
3430   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
3431   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
3432   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
3433
3434   /* map buttons to select level */
3435   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
3436   ModifyEditorCounterLimits(counter_id,
3437                             leveldir_current->first_level,
3438                             leveldir_current->last_level);
3439   MapCounterButtons(counter_id);
3440 }
3441
3442 static void MapDrawingArea(int id)
3443 {
3444   MapGadget(level_editor_gadget[id]);
3445 }
3446
3447 static void MapTextInputGadget(int id)
3448 {
3449   char infotext[MAX_OUTPUT_LINESIZE + 1];
3450   int max_infotext_len = getMaxInfoTextLength();
3451   int xoffset_above = 0;
3452   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3453   int x = textinput_info[id].x + xoffset_above;
3454   int y = textinput_info[id].y + yoffset_above;
3455
3456   if (textinput_info[id].infotext)
3457   {
3458     sprintf(infotext, "%s:", textinput_info[id].infotext);
3459     infotext[max_infotext_len] = '\0';
3460     DrawTextF(x, y, FONT_TEXT_1, infotext);
3461   }
3462
3463   ModifyGadget(level_editor_gadget[textinput_info[id].gadget_id],
3464                GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
3465
3466   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
3467 }
3468
3469 static void MapSelectboxGadget(int id)
3470 {
3471   int xoffset_left = 0;
3472   int yoffset_left = ED_BORDER_SIZE;
3473   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
3474   int yoffset_right = ED_BORDER_SIZE;
3475   int x = selectbox_info[id].x + xoffset_left;
3476   int y = selectbox_info[id].y + yoffset_left;
3477
3478   DrawTextF(x, y, FONT_TEXT_1, selectbox_info[id].text_left);
3479
3480   if (selectbox_info[id].text_right)
3481   {
3482     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
3483
3484     x = gi->x + gi->width + xoffset_right;
3485     y = SY + selectbox_info[id].y + yoffset_right;
3486
3487     DrawText(x, y, selectbox_info[id].text_right, FONT_TEXT_1);
3488   }
3489
3490   ModifyEditorSelectbox(id, *selectbox_info[id].value);
3491
3492   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
3493 }
3494
3495 static void MapTextbuttonGadget(int id)
3496 {
3497   MapGadget(level_editor_gadget[textbutton_info[id].gadget_id]);
3498 }
3499
3500 static void MapRadiobuttonGadget(int id)
3501 {
3502   int xoffset_right = ED_XOFFSET_CHECKBOX;
3503   int yoffset_right = ED_BORDER_SIZE;
3504   int x = radiobutton_info[id].x + xoffset_right;
3505   int y = radiobutton_info[id].y + yoffset_right;
3506   boolean checked =
3507     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
3508
3509   DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[id].text_right);
3510   ModifyGadget(level_editor_gadget[radiobutton_info[id].gadget_id],
3511                GDI_CHECKED, checked, GDI_END);
3512
3513   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
3514 }
3515
3516 static void MapCheckbuttonGadget(int id)
3517 {
3518   int xoffset_right = ED_XOFFSET_CHECKBOX;
3519   int yoffset_right = ED_BORDER_SIZE;
3520   int x = checkbutton_info[id].x + xoffset_right;
3521   int y = checkbutton_info[id].y + yoffset_right;
3522
3523   DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[id].text_right);
3524   ModifyGadget(level_editor_gadget[checkbutton_info[id].gadget_id],
3525                GDI_CHECKED, *checkbutton_info[id].value,
3526                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
3527
3528   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
3529 }
3530
3531 static void MapMainDrawingArea()
3532 {
3533   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
3534   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
3535   int i;
3536
3537   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
3538   {
3539     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
3540           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
3541          no_horizontal_scrollbar) ||
3542         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
3543           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
3544          no_vertical_scrollbar))
3545       continue;
3546
3547     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
3548   }
3549
3550   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
3551   {
3552     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
3553         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
3554       continue;
3555
3556     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
3557   }
3558
3559   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
3560 }
3561
3562 static void UnmapDrawingArea(int id)
3563 {
3564   UnmapGadget(level_editor_gadget[id]);
3565 }
3566
3567 void UnmapLevelEditorWindowGadgets()
3568 {
3569   int i;
3570
3571   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3572     if (level_editor_gadget[i]->x < SX + SXSIZE)
3573       UnmapGadget(level_editor_gadget[i]);
3574 }
3575
3576 void UnmapLevelEditorGadgets()
3577 {
3578   int i;
3579
3580   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3581     UnmapGadget(level_editor_gadget[i]);
3582 }
3583
3584 static void ResetUndoBuffer()
3585 {
3586   undo_buffer_position = -1;
3587   undo_buffer_steps = -1;
3588   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3589 }
3590
3591 static void DrawEditModeWindow()
3592 {
3593   if (edit_mode == ED_MODE_INFO)
3594     DrawLevelInfoWindow();
3595   else if (edit_mode == ED_MODE_PROPERTIES)
3596     DrawPropertiesWindow();
3597   else  /* edit_mode == ED_MODE_DRAWING */
3598     DrawDrawingWindow();
3599 }
3600
3601 static boolean LevelChanged()
3602 {
3603   boolean level_changed = FALSE;
3604   int x, y;
3605
3606   for(y=0; y<lev_fieldy; y++)
3607     for(x=0; x<lev_fieldx; x++)
3608       if (Feld[x][y] != Ur[x][y])
3609         level_changed = TRUE;
3610
3611   return level_changed;
3612 }
3613
3614 static boolean LevelContainsPlayer()
3615 {
3616   boolean player_found = FALSE;
3617   int x, y;
3618
3619   for(y=0; y<lev_fieldy; y++)
3620     for(x=0; x<lev_fieldx; x++)
3621       if (Feld[x][y] == EL_PLAYER_1 ||
3622           Feld[x][y] == EL_SP_MURPHY)
3623         player_found = TRUE;
3624
3625   return player_found;
3626 }
3627
3628 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
3629                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
3630 {
3631   int x, y;
3632
3633   for(x=0; x<lev_fieldx; x++)
3634     for(y=0; y<lev_fieldy; y++)
3635       dst[x][y] = src[x][y];
3636 }
3637
3638 static void CopyCustomElementPropertiesToEditor(int element)
3639 {
3640   int i;
3641
3642   /* needed here to initialize combined element properties */
3643   InitElementPropertiesEngine(level.game_version);
3644
3645   custom_element = element_info[properties_element];
3646
3647   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3648     custom_element_properties[i] = HAS_PROPERTY(element, i);
3649
3650   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3651     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
3652
3653   /* ---------- element settings: configure (custom elements) ------------- */
3654
3655   /* set accessible layer selectbox help value */
3656   custom_element.access_type =
3657     (IS_WALKABLE(element) ? EP_WALKABLE :
3658      IS_PASSABLE(element) ? EP_PASSABLE :
3659      custom_element.access_type);
3660   custom_element.access_layer =
3661     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
3662      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
3663      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
3664      custom_element.access_layer);
3665   custom_element_properties[EP_ACCESSIBLE] =
3666     (IS_ACCESSIBLE_OVER(element) ||
3667      IS_ACCESSIBLE_INSIDE(element) ||
3668      IS_ACCESSIBLE_UNDER(element));
3669
3670   /* set walk-to-object action selectbox help value */
3671   custom_element.walk_to_action =
3672     (IS_DIGGABLE(element) ? EP_DIGGABLE :
3673      IS_COLLECTIBLE(element) ? EP_COLLECTIBLE :
3674      IS_PUSHABLE(element) ? EP_PUSHABLE :
3675      custom_element.walk_to_action);
3676   custom_element_properties[EP_WALK_TO_OBJECT] =
3677     (IS_DIGGABLE(element) ||
3678      IS_COLLECTIBLE(element) ||
3679      IS_PUSHABLE(element));
3680
3681   /* set smash targets selectbox help value */
3682   custom_element.smash_targets =
3683     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
3684      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
3685      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
3686      custom_element.smash_targets);
3687   custom_element_properties[EP_CAN_SMASH] =
3688     (CAN_SMASH_EVERYTHING(element) ||
3689      CAN_SMASH_ENEMIES(element) ||
3690      CAN_SMASH_PLAYER(element));
3691
3692   /* set deadliness selectbox help value */
3693   custom_element.deadliness =
3694     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
3695      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
3696      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
3697      custom_element.deadliness);
3698   custom_element_properties[EP_DEADLY] =
3699     (DONT_TOUCH(element) ||
3700      DONT_COLLIDE_WITH(element) ||
3701      DONT_RUN_INTO(element));
3702
3703   /* set consistency selectbox help value */
3704   custom_element.consistency =
3705     (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
3706      CAN_EXPLODE(element) ? EP_CAN_EXPLODE :
3707      custom_element.consistency);
3708   custom_element_properties[EP_EXPLODE_RESULT] =
3709     (IS_INDESTRUCTIBLE(element) ||
3710      CAN_EXPLODE(element));
3711
3712   /* special case: sub-settings dependent from main setting */
3713   if (CAN_EXPLODE_BY_FIRE(element))
3714     custom_element.can_explode_by_fire = TRUE;
3715   if (CAN_EXPLODE_SMASHED(element))
3716     custom_element.can_explode_smashed = TRUE;
3717   if (CAN_EXPLODE_IMPACT(element))
3718     custom_element.can_explode_impact  = TRUE;
3719
3720   /* ---------- element settings: advanced (custom elements) --------------- */
3721
3722   /* set change by player selectbox help value */
3723   custom_element.change_player_action =
3724     (HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
3725      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
3726      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
3727      custom_element.change_player_action);
3728
3729   /* set change by collision selectbox help value */
3730   custom_element.change_collide_action =
3731     (HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
3732      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
3733      HAS_CHANGE_EVENT(element, CE_COLLISION) ? CE_COLLISION :
3734      custom_element.change_collide_action);
3735
3736   /* set change by other element action selectbox help value */
3737   custom_element.change_other_action =
3738     (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
3739      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
3740      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
3741      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
3742      HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
3743      HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
3744      HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
3745      custom_element.change_other_action);
3746 }
3747
3748 static void CopyCustomElementPropertiesToGame(int element)
3749 {
3750   int i;
3751   int access_type_and_layer;
3752
3753   element_info[properties_element] = custom_element;
3754
3755   /* ---------- element settings: configure (custom elements) ------------- */
3756
3757   /* set accessible property from checkbox and selectbox */
3758   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
3759   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
3760   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
3761   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
3762   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
3763   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
3764   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
3765                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
3766                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
3767   custom_element_properties[access_type_and_layer] =
3768     custom_element_properties[EP_ACCESSIBLE];
3769
3770   /* set walk-to-object property from checkbox and selectbox */
3771   custom_element_properties[EP_DIGGABLE] = FALSE;
3772   custom_element_properties[EP_COLLECTIBLE] = FALSE;
3773   custom_element_properties[EP_PUSHABLE] = FALSE;
3774   custom_element_properties[custom_element.walk_to_action] =
3775     custom_element_properties[EP_WALK_TO_OBJECT];
3776
3777   /* set smash property from checkbox and selectbox */
3778   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
3779   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
3780   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
3781   custom_element_properties[custom_element.smash_targets] =
3782     custom_element_properties[EP_CAN_SMASH];
3783
3784   /* set deadliness property from checkbox and selectbox */
3785   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
3786   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
3787   custom_element_properties[EP_DONT_TOUCH] = FALSE;
3788   custom_element_properties[custom_element.deadliness] =
3789     custom_element_properties[EP_DEADLY];
3790
3791   /* set consistency property from checkbox and selectbox */
3792   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
3793   custom_element_properties[EP_CAN_EXPLODE] = FALSE;
3794   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
3795   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
3796   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
3797   custom_element_properties[custom_element.consistency] =
3798     custom_element_properties[EP_EXPLODE_RESULT];
3799
3800   /* special case: sub-settings dependent from main setting */
3801   if (custom_element_properties[EP_CAN_EXPLODE])
3802   {
3803     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
3804       custom_element.can_explode_by_fire;
3805     custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
3806       custom_element.can_explode_smashed;
3807     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
3808       custom_element.can_explode_impact;
3809   }
3810
3811   /* ---------- element settings: advanced (custom elements) --------------- */
3812
3813   /* set player change event from checkbox and selectbox */
3814   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
3815   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
3816   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
3817   custom_element_change_events[custom_element.change_player_action] =
3818     custom_element_change_events[CE_BY_PLAYER];
3819
3820   /* set collision change event from checkbox and selectbox */
3821   custom_element_change_events[CE_COLLISION] = FALSE;
3822   custom_element_change_events[CE_IMPACT] = FALSE;
3823   custom_element_change_events[CE_SMASHED] = FALSE;
3824   custom_element_change_events[custom_element.change_collide_action] =
3825     custom_element_change_events[CE_BY_COLLISION];
3826
3827   /* set other element action change event from checkbox and selectbox */
3828   custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
3829   custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
3830   custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
3831   custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
3832   custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
3833   custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
3834   custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
3835   custom_element_change_events[custom_element.change_other_action] =
3836     custom_element_change_events[CE_BY_OTHER];
3837
3838   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3839     SET_PROPERTY(element, i, custom_element_properties[i]);
3840
3841   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3842     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
3843
3844   /* copy change events also to special level editor variable */
3845   custom_element = element_info[properties_element];
3846 }
3847
3848 void DrawLevelEd()
3849 {
3850   CloseDoor(DOOR_CLOSE_ALL);
3851   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
3852
3853   if (level_editor_test_game)
3854   {
3855     CopyPlayfield(Ur, Feld);
3856     CopyPlayfield(FieldBackup, Ur);
3857
3858     level_editor_test_game = FALSE;
3859   }
3860   else
3861   {
3862     edit_mode = ED_MODE_DRAWING;
3863     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
3864
3865     ResetUndoBuffer();
3866
3867     level_xpos = -1;
3868     level_ypos = -1;
3869   }
3870
3871   /* copy default editor door content to main double buffer */
3872   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3873              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
3874
3875   /* draw mouse button brush elements */
3876   DrawMiniGraphicExt(drawto,
3877                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3878                      el2edimg(new_element1));
3879   DrawMiniGraphicExt(drawto,
3880                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3881                      el2edimg(new_element2));
3882   DrawMiniGraphicExt(drawto,
3883                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3884                      el2edimg(new_element3));
3885
3886   /* draw bigger door */
3887   DrawSpecialEditorDoor();
3888
3889   /* draw new control window */
3890   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3891              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
3892
3893   redraw_mask |= REDRAW_ALL;
3894
3895   ReinitializeElementListButtons();     /* only needed after setup changes */
3896   ModifyEditorElementList();            /* may be needed for custom elements */
3897
3898   UnmapTapeButtons();
3899   MapControlButtons();
3900
3901   /* copy actual editor door content to door double buffer for OpenDoor() */
3902   BlitBitmap(drawto, bitmap_db_door,
3903              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
3904
3905   DrawEditModeWindow();
3906
3907   OpenDoor(DOOR_OPEN_1);
3908 }
3909
3910 static void AdjustDrawingAreaGadgets()
3911 {
3912   int ed_xsize = lev_fieldx + 2;
3913   int ed_ysize = lev_fieldy + 2;
3914   int max_ed_fieldx = MAX_ED_FIELDX;
3915   int max_ed_fieldy = MAX_ED_FIELDY;
3916   boolean horizontal_scrollbar_needed;
3917   boolean vertical_scrollbar_needed;
3918   int x, y, width, height;
3919   int xoffset, yoffset;
3920
3921   /* check if we need any scrollbars */
3922   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3923   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3924
3925   /* check if we have a smaller editor field because of scrollbars */
3926   if (horizontal_scrollbar_needed)
3927     max_ed_fieldy = MAX_ED_FIELDY - 1;
3928   if (vertical_scrollbar_needed)
3929     max_ed_fieldx = MAX_ED_FIELDX - 1;
3930
3931   /* check again if we now need more scrollbars because of less space */
3932   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3933   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3934
3935   /* check if editor field gets even smaller after adding new scrollbars */
3936   if (horizontal_scrollbar_needed)
3937     max_ed_fieldy = MAX_ED_FIELDY - 1;
3938   if (vertical_scrollbar_needed)
3939     max_ed_fieldx = MAX_ED_FIELDX - 1;
3940
3941   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
3942   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
3943
3944   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
3945                GDI_WIDTH, ed_fieldx * MINI_TILEX,
3946                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
3947                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
3948                GDI_END);
3949
3950   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
3951   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
3952
3953   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
3954   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
3955
3956   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
3957   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
3958
3959   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
3960   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
3961
3962   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3963                GDI_WIDTH, width,
3964                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
3965                GDI_END);
3966   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
3967                GDI_HEIGHT, height,
3968                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
3969                GDI_END);
3970 }
3971
3972 static void AdjustLevelScrollPosition()
3973 {
3974   if (level_xpos < -1)
3975     level_xpos = -1;
3976   if (level_xpos > lev_fieldx - ed_fieldx + 1)
3977     level_xpos = lev_fieldx - ed_fieldx + 1;
3978   if (lev_fieldx < ed_fieldx - 2)
3979     level_xpos = -1;
3980
3981   if (level_ypos < -1)
3982     level_ypos = -1;
3983   if (level_ypos > lev_fieldy - ed_fieldy + 1)
3984     level_ypos = lev_fieldy - ed_fieldy + 1;
3985   if (lev_fieldy < ed_fieldy - 2)
3986     level_ypos = -1;
3987 }
3988
3989 static void AdjustEditorScrollbar(int id)
3990 {
3991   struct GadgetInfo *gi = level_editor_gadget[id];
3992   int items_max, items_visible, item_position;
3993
3994   if (id == GADGET_ID_SCROLL_HORIZONTAL)
3995   {
3996     items_max = MAX(lev_fieldx + 2, ed_fieldx);
3997     items_visible = ed_fieldx;
3998     item_position = level_xpos + 1;
3999   }
4000   else
4001   {
4002     items_max = MAX(lev_fieldy + 2, ed_fieldy);
4003     items_visible = ed_fieldy;
4004     item_position = level_ypos + 1;
4005   }
4006
4007   if (item_position > items_max - items_visible)
4008     item_position = items_max - items_visible;
4009
4010   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
4011                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
4012 }
4013
4014 static void ModifyEditorCounter(int counter_id, int new_value)
4015 {
4016   int *counter_value = counterbutton_info[counter_id].value;
4017   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4018   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4019
4020   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
4021
4022   if (counter_value != NULL)
4023     *counter_value = gi->text.number_value;
4024 }
4025
4026 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
4027 {
4028   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4029   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4030
4031   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
4032 }
4033
4034 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
4035 {
4036   int gadget_id = selectbox_info[selectbox_id].gadget_id;
4037   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4038   int new_index_value = 0;
4039   int i;
4040
4041   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
4042     if (selectbox_info[selectbox_id].options[i].value == new_value)
4043       new_index_value = i;
4044
4045   *selectbox_info[selectbox_id].value =
4046     selectbox_info[selectbox_id].options[new_index_value].value;
4047
4048   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
4049 }
4050
4051 static void ModifyEditorElementList()
4052 {
4053   int i;
4054
4055   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4056   {
4057     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4058     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4059     struct GadgetDesign *gd = &gi->deco.design;
4060     int element = editor_elements[element_shift + i];
4061
4062     UnmapGadget(gi);
4063     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
4064     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4065     MapGadget(gi);
4066   }
4067 }
4068
4069 static void PickDrawingElement(int button, int element)
4070 {
4071   if (button < 1 || button > 3)
4072     return;
4073
4074   if (button == 1)
4075   {
4076     new_element1 = element;
4077     DrawMiniGraphicExt(drawto,
4078                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
4079                        el2edimg(new_element1));
4080   }
4081   else if (button == 2)
4082   {
4083     new_element2 = element;
4084     DrawMiniGraphicExt(drawto,
4085                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
4086                        el2edimg(new_element2));
4087   }
4088   else
4089   {
4090     new_element3 = element;
4091     DrawMiniGraphicExt(drawto,
4092                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
4093                        el2edimg(new_element3));
4094   }
4095
4096   redraw_mask |= REDRAW_DOOR_1;
4097 }
4098
4099 static void RedrawDrawingElements()
4100 {
4101   PickDrawingElement(1, new_element1);
4102   PickDrawingElement(2, new_element2);
4103   PickDrawingElement(3, new_element3);
4104 }
4105
4106 static void DrawDrawingWindow()
4107 {
4108   stick_element_properties_window = FALSE;
4109
4110   SetMainBackgroundImage(IMG_UNDEFINED);
4111   ClearWindow();
4112   UnmapLevelEditorWindowGadgets();
4113
4114   AdjustDrawingAreaGadgets();
4115   AdjustLevelScrollPosition();
4116   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
4117   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
4118
4119   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4120   MapMainDrawingArea();
4121 }
4122
4123 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
4124                               boolean input)
4125 {
4126   int border_graphic =
4127     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
4128   Bitmap *src_bitmap;
4129   int src_x, src_y;
4130   int num_mini_tilex = width / MINI_TILEX + 1;
4131   int num_mini_tiley = width / MINI_TILEY + 1;
4132   int x, y;
4133
4134   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
4135
4136   for (y=0; y < num_mini_tiley; y++)
4137     for (x=0; x < num_mini_tilex; x++)
4138       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
4139                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
4140                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
4141
4142   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
4143 }
4144
4145 static void DrawRandomPlacementBackgroundArea()
4146 {
4147   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
4148   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
4149   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
4150   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
4151
4152   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4153   DrawMiniElement(area_x, area_y, random_placement_background_element);
4154
4155   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
4156 }
4157
4158 static void DrawLevelInfoWindow()
4159 {
4160   int i;
4161
4162   stick_element_properties_window = FALSE;
4163
4164   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4165   ClearWindow();
4166   UnmapLevelEditorWindowGadgets();
4167
4168   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4169            "Level Settings", FONT_TITLE_1);
4170   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
4171            "Editor Settings", FONT_TITLE_1);
4172
4173   /* draw counter gadgets */
4174   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
4175     MapCounterButtons(i);
4176
4177   /* draw checkbutton gadgets */
4178   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
4179     MapCheckbuttonGadget(i);
4180
4181   /* draw radiobutton gadgets */
4182   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
4183     MapRadiobuttonGadget(i);
4184
4185   /* draw text input gadgets */
4186   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
4187     MapTextInputGadget(i);
4188
4189   /* draw drawing area */
4190   DrawRandomPlacementBackgroundArea();
4191 }
4192
4193 static void DrawAmoebaContentArea()
4194 {
4195   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
4196   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
4197   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
4198   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
4199
4200   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4201   DrawMiniElement(area_x, area_y, level.amoeba_content);
4202
4203   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
4204
4205   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
4206 }
4207
4208 static void DrawCustomGraphicElementArea()
4209 {
4210   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_GRAPHIC];
4211   int xpos = ED_AREA_ELEM_CONTENT3_XPOS;
4212   int ypos = ED_AREA_ELEM_CONTENT3_YPOS;
4213   int area_sx = SX + xpos;
4214   int area_sy = SY + ypos;
4215
4216   if (!IS_CUSTOM_ELEMENT(properties_element))
4217   {
4218     /* this should never happen */
4219     Error(ERR_WARN, "element %d is no custom element", properties_element);
4220
4221     return;
4222   }
4223
4224   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4225   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4226                      el2edimg(custom_element.gfx_element));
4227
4228   MapDrawingArea(GADGET_ID_CUSTOM_GRAPHIC);
4229 }
4230
4231 static void DrawCustomContentArea()
4232 {
4233   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CONTENT];
4234   int area_sx = SX + ED_AREA_ELEM_CONTENT4_XPOS;
4235   int area_sy = SY + ED_AREA_ELEM_CONTENT4_YPOS;
4236   int x, y;
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, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4247
4248   for (y=0; y<3; y++)
4249     for (x=0; x<3; x++)
4250       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
4251                          el2edimg(custom_element.content[x][y]));
4252
4253   MapDrawingArea(GADGET_ID_CUSTOM_CONTENT);
4254 }
4255
4256 static void DrawCustomChangeTargetArea()
4257 {
4258   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TARGET];
4259   int xpos = ED_AREA_ELEM_CONTENT2_XPOS;
4260   int ypos = ED_AREA_ELEM_CONTENT2_YPOS;
4261   int area_sx = SX + xpos;
4262   int area_sy = SY + ypos;
4263
4264   if (!IS_CUSTOM_ELEMENT(properties_element))
4265   {
4266     /* this should never happen */
4267     Error(ERR_WARN, "element %d is no custom element", properties_element);
4268
4269     return;
4270   }
4271
4272   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4273   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4274                      el2edimg(custom_element.change.target_element));
4275
4276   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TARGET);
4277 }
4278
4279 static void DrawCustomChangeContentArea()
4280 {
4281   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_CONTENT];
4282   int area_sx = SX + ED_AREA_ELEM_CONTENT6_XPOS;
4283   int area_sy = SY + ED_AREA_ELEM_CONTENT6_YPOS;
4284   int x, y;
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, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4295
4296   for (y=0; y<3; y++)
4297     for (x=0; x<3; x++)
4298       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
4299                          el2edimg(custom_element.change.content[x][y]));
4300
4301   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_CONTENT);
4302 }
4303
4304 static void DrawCustomChangeTriggerArea()
4305 {
4306   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TRIGGER];
4307   int xpos = ED_AREA_ELEM_CONTENT5_XPOS;
4308   int ypos = ED_AREA_ELEM_CONTENT5_YPOS;
4309   int area_sx = SX + xpos;
4310   int area_sy = SY + ypos;
4311
4312   if (!IS_CUSTOM_ELEMENT(properties_element))
4313   {
4314     /* this should never happen */
4315     Error(ERR_WARN, "element %d is no custom element", properties_element);
4316
4317     return;
4318   }
4319
4320   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4321   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4322                      el2edimg(custom_element.change.trigger_element));
4323
4324   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TRIGGER);
4325 }
4326
4327 static void DrawElementContentAreas()
4328 {
4329   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
4330   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
4331   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
4332   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
4333   int i, x, y;
4334
4335   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
4336     UnmapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
4337
4338   /* display counter to choose number of element content areas */
4339   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
4340
4341   /* delete content areas in case of reducing number of them */
4342   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
4343
4344   for (i=0; i<level.num_yamyam_contents; i++)
4345     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
4346                       area_sy + 6 * (i / 4) * MINI_TILEY,
4347                       3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4348
4349   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
4350            "Content", FONT_TEXT_1);
4351   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
4352            "when",    FONT_TEXT_1);
4353   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
4354            "smashed", FONT_TEXT_1);
4355
4356   for (i=0; i<level.num_yamyam_contents; i++)
4357   {
4358     for (y=0; y<3; y++)
4359       for (x=0; x<3; x++)
4360         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
4361                         level.yamyam_content[i][x][y]);
4362
4363     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
4364               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
4365               FONT_TEXT_1, "%d", i + 1);
4366   }
4367
4368   for (i=0; i<level.num_yamyam_contents; i++)
4369     MapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
4370 }
4371
4372 char *getElementDescriptionFilename(int element)
4373 {
4374   char *docs_dir = options.docs_directory;
4375   char *elements_subdir = "elements";
4376   static char *filename = NULL;
4377   char basename[MAX_FILENAME_LEN];
4378
4379   if (filename != NULL)
4380     free(filename);
4381
4382   /* 1st try: look for element description file for exactly this element */
4383   sprintf(basename, "%s.txt", element_info[element].token_name);
4384   filename = getPath3(docs_dir, elements_subdir, basename);
4385   if (fileExists(filename))
4386     return filename;
4387
4388   free(filename);
4389
4390   /* 2nd try: look for element description file for this element's class */
4391   sprintf(basename, "%s.txt", element_info[element].class_name);
4392   filename = getPath3(docs_dir, elements_subdir, basename);
4393   if (fileExists(filename))
4394     return filename;
4395
4396   return NULL;
4397 }
4398
4399 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
4400 {
4401   int font_height = getFontHeight(font_nr);
4402   int pad_x = ED_SETTINGS_XPOS(0);
4403   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4404   int sx = SX + pad_x;
4405   int sy = SY + pad_y;
4406   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
4407
4408   if (screen_line >= max_lines_per_screen)
4409     return FALSE;
4410
4411   DrawText(sx, sy + screen_line * font_height, text, font_nr);
4412
4413   return TRUE;
4414 }
4415
4416 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
4417 {
4418   int font_nr = FONT_TEXT_2;
4419   int font_width = getFontWidth(font_nr);
4420   int pad_x = ED_SETTINGS_XPOS(0);
4421   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
4422   char line[MAX_LINE_LEN];
4423   char buffer[max_chars_per_line + 1];
4424   int buffer_len;
4425   int lines_printed = 0;
4426   FILE *file;
4427
4428   if (filename == NULL)
4429     return 0;
4430
4431   if (!(file = fopen(filename, MODE_READ)))
4432     return 0;
4433
4434   buffer[0] = '\0';
4435   buffer_len = 0;
4436
4437   while(!feof(file))
4438   {
4439     char *line_ptr, *word_ptr;
4440     boolean last_line_was_empty = TRUE;
4441
4442     /* read next line of input file */
4443     if (!fgets(line, MAX_LINE_LEN, file))
4444       break;
4445
4446     /* skip comments (lines directly beginning with '#') */
4447     if (line[0] == '#')
4448       continue;
4449
4450     /* cut trailing newline from input line */
4451     for (line_ptr = line; *line_ptr; line_ptr++)
4452     {
4453       if (*line_ptr == '\n' || *line_ptr == '\r')
4454       {
4455         *line_ptr = '\0';
4456         break;
4457       }
4458     }
4459
4460     if (strlen(line) == 0)              /* special case: force empty line */
4461       strcpy(line, "\n");
4462
4463     word_ptr = line;
4464
4465     while (*word_ptr)
4466     {
4467       boolean print_buffer = FALSE;
4468       int word_len;
4469
4470       /* skip leading whitespaces */
4471       while (*word_ptr == ' ' || *word_ptr == '\t')
4472         word_ptr++;
4473
4474       line_ptr = word_ptr;
4475       word_len = 0;
4476
4477       /* look for end of next word */
4478       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
4479       {
4480         line_ptr++;
4481         word_len++;
4482       }
4483
4484       if (word_len == 0)
4485       {
4486         continue;
4487       }
4488       else if (*word_ptr == '\n')       /* special case: force empty line */
4489       {
4490         if (buffer_len == 0)
4491           word_ptr++;
4492
4493         /* prevent printing of multiple empty lines */
4494         if (buffer_len > 0 || !last_line_was_empty)
4495           print_buffer = TRUE;
4496       }
4497       else if (word_len < max_chars_per_line - buffer_len)
4498       {
4499         /* word fits into text buffer -- add word */
4500
4501         if (buffer_len > 0)
4502           buffer[buffer_len++] = ' ';
4503
4504         strncpy(&buffer[buffer_len], word_ptr, word_len);
4505         buffer_len += word_len;
4506         buffer[buffer_len] = '\0';
4507         word_ptr += word_len;
4508       }
4509       else if (buffer_len > 0)
4510       {
4511         /* not enough space left for word in text buffer -- print buffer */
4512
4513         print_buffer = TRUE;
4514       }
4515       else
4516       {
4517         /* word does not fit at all into empty text buffer -- cut word */
4518
4519         strncpy(buffer, word_ptr, max_chars_per_line);
4520         buffer[max_chars_per_line] = '\0';
4521         word_ptr += max_chars_per_line;
4522         print_buffer = TRUE;
4523       }
4524
4525       if (print_buffer)
4526       {
4527         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4528           return lines_printed;
4529
4530         last_line_was_empty = (buffer_len == 0);
4531         lines_printed++;
4532
4533         buffer[0] = '\0';
4534         buffer_len = 0;
4535         print_buffer = FALSE;
4536       }
4537     }
4538   }
4539
4540   fclose(file);
4541
4542   if (buffer_len > 0)
4543     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4544       lines_printed++;
4545
4546   return lines_printed;
4547 }
4548
4549 static void DrawPropertiesTabulatorGadgets()
4550 {
4551   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
4552   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
4553   int gd_x = gd->x + gd_gi->border.width / 2;
4554   int gd_y = gd->y + gd_gi->height - 1;
4555   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
4556   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
4557   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
4558   int i;
4559
4560   /* draw additional "advanced" tabulator for custom elements */
4561   if (IS_CUSTOM_ELEMENT(properties_element))
4562     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
4563
4564   for (i=id_first; i <= id_last; i++)
4565   {
4566     int gadget_id = textbutton_info[i].gadget_id;
4567     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4568     boolean active = (i != edit_mode_properties);
4569
4570     /* draw background line below tabulator button */
4571     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
4572
4573     /* draw solid line below inactive tabulator buttons */
4574     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
4575       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
4576
4577     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
4578     MapTextbuttonGadget(i);
4579   }
4580
4581   /* draw little border line below tabulator buttons */
4582   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
4583     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
4584                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
4585                   ED_GADGET_DISTANCE, tab_color);
4586 }
4587
4588 static void DrawPropertiesInfo()
4589 {
4590   static struct
4591   {
4592     int value;
4593     char *text;
4594   }
4595   properties[] =
4596   {
4597     /* configurable properties */
4598     { EP_INDESTRUCTIBLE,        "- undestructible"                      },
4599     { EP_SLIPPERY,              "- slippery for falling objects"        },
4600     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
4601
4602     { EP_DIGGABLE,              "- diggable"                            },
4603     { EP_COLLECTIBLE,           "- collectible"                         },
4604     { EP_PUSHABLE,              "- pushable"                            },
4605
4606     { EP_CAN_MOVE,              "- can move"                            },
4607     { EP_CAN_FALL,              "- can fall"                            },
4608 #if 0
4609     { EP_CAN_SMASH,             "- can smash"                           },
4610 #endif
4611     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
4612     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
4613     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
4614     { EP_CAN_EXPLODE,           "- can explode"                         },
4615     { EP_CAN_EXPLODE_BY_FIRE,   "  - by fire or explosions"             },
4616     { EP_CAN_EXPLODE_SMASHED,   "  - when smashed"                      },
4617     { EP_CAN_EXPLODE_IMPACT,    "  - on impact"                         },
4618
4619     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
4620     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
4621     { EP_DONT_TOUCH,            "- deadly when touching"                },
4622
4623     { EP_WALKABLE_OVER,         "- player can walk over it"             },
4624     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
4625     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
4626     { EP_PASSABLE_OVER,         "- player can pass over it"             },
4627     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
4628     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
4629
4630     /* pre-defined properties */
4631     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
4632     { EP_HAS_CONTENT,           "- can contain other elements"          },
4633
4634     { -1,                       NULL                                    }
4635   };
4636   char *filename = getElementDescriptionFilename(properties_element);
4637   char *percentage_text = "In this level:";
4638   char *properties_text = "Standard properties:";
4639   float percentage;
4640   int num_elements_in_level;
4641   int num_standard_properties = 0;
4642   int font1_nr = FONT_TEXT_1;
4643   int font2_nr = FONT_TEXT_2;
4644   int font1_width = getFontWidth(font1_nr);
4645   int font2_height = getFontHeight(font2_nr);
4646   int pad_x = ED_SETTINGS_XPOS(0);
4647   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4648   int screen_line = 0;
4649   int i, x, y;
4650
4651   /* ----- print number of elements / percentage of this element in level */
4652
4653   num_elements_in_level = 0;
4654   for (y=0; y<lev_fieldy; y++)
4655     for (x=0; x<lev_fieldx; x++)
4656       if (Feld[x][y] == properties_element)
4657         num_elements_in_level++;
4658   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
4659
4660   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
4661             percentage_text);
4662   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
4663             pad_y + screen_line++ * font2_height, font2_nr,
4664             "%d (%.2f%%)", num_elements_in_level, percentage);
4665
4666   screen_line++;
4667
4668   /* ----- print standard properties of this element */
4669
4670   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
4671             properties_text);
4672
4673   for (i=0; properties[i].value != -1; i++)
4674   {
4675     if (!HAS_PROPERTY(properties_element, properties[i].value))
4676       continue;
4677
4678     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
4679               properties[i].text);
4680     num_standard_properties++;
4681   }
4682
4683   if (num_standard_properties == 0)
4684     DrawTextF(pad_x + strlen(properties_text) * font1_width,
4685               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
4686
4687   screen_line++;
4688
4689   /* ----- print special description of this element */
4690
4691   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
4692   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
4693     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
4694 }
4695
4696 #define TEXT_COLLECTING         "Score for collecting"
4697 #define TEXT_SMASHING           "Score for smashing"
4698 #define TEXT_CRACKING           "Score for cracking"
4699 #define TEXT_SPEED              "Speed of amoeba growth"
4700 #define TEXT_DURATION           "Duration when activated"
4701
4702 static struct
4703 {
4704   int element;
4705   int *value;
4706   char *text;
4707 } elements_with_counter[] =
4708 {
4709   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
4710   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
4711   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4712   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4713   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4714   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4715   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
4716   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
4717   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
4718   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
4719   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
4720   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
4721   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
4722   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
4723   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
4724   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
4725   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
4726   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
4727   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4728   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4729   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4730   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4731   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4732   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4733   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4734   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4735   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4736   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4737   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4738   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
4739   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
4740   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
4741   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4742   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4743   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
4744   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
4745   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
4746   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4747   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4748   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4749   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4750   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
4751   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
4752   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
4753   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
4754   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
4755   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4756   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4757   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4758   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4759   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
4760   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
4761   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
4762   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
4763   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
4764   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
4765   { -1,                 NULL,                           NULL            }
4766 };
4767
4768 static boolean checkPropertiesConfig()
4769 {
4770   int i;
4771
4772   if (IS_GEM(properties_element) ||
4773       IS_CUSTOM_ELEMENT(properties_element) ||
4774       HAS_CONTENT(properties_element))
4775     return TRUE;
4776   else
4777     for (i=0; elements_with_counter[i].element != -1; i++)
4778       if (elements_with_counter[i].element == properties_element)
4779         return TRUE;
4780
4781   return FALSE;
4782 }
4783
4784 static void DrawPropertiesConfig()
4785 {
4786   int i;
4787
4788   if (!checkPropertiesConfig())
4789   {
4790     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
4791
4792     return;
4793   }
4794
4795   /* check if there are elements where a score can be chosen for */
4796   for (i=0; elements_with_counter[i].element != -1; i++)
4797   {
4798     if (elements_with_counter[i].element == properties_element)
4799     {
4800       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
4801
4802       counterbutton_info[counter_id].value = elements_with_counter[i].value;
4803       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
4804       MapCounterButtons(counter_id);
4805
4806       break;
4807     }
4808   }
4809
4810   if (HAS_CONTENT(properties_element))
4811   {
4812     /* draw stickybutton gadget */
4813     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4814     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
4815     MapCheckbuttonGadget(i);
4816
4817     if (IS_AMOEBOID(properties_element))
4818       DrawAmoebaContentArea();
4819     else
4820       DrawElementContentAreas();
4821   }
4822
4823   if (IS_GEM(properties_element))
4824     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
4825
4826   if (IS_CUSTOM_ELEMENT(properties_element))
4827   {
4828     /* draw stickybutton gadget */
4829     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4830     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4831     MapCheckbuttonGadget(i);
4832
4833     /* draw checkbutton gadgets */
4834     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
4835          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
4836       MapCheckbuttonGadget(i);
4837
4838     /* draw counter gadgets */
4839     for (i=ED_COUNTER_ID_CUSTOM_FIRST; i<=ED_COUNTER_ID_CUSTOM_LAST; i++)
4840       MapCounterButtons(i);
4841
4842     /* draw selectbox gadgets */
4843     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
4844       MapSelectboxGadget(i);
4845
4846     /* draw drawing area gadgets */
4847     DrawCustomContentArea();
4848
4849     /* draw text input gadgets */
4850     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
4851   }
4852 }
4853
4854 static void DrawPropertiesAdvancedDrawingAreas()
4855 {
4856   DrawCustomGraphicElementArea();
4857   DrawCustomChangeTargetArea();
4858   DrawCustomChangeTriggerArea();
4859   DrawCustomChangeContentArea();
4860
4861   redraw_mask |= REDRAW_FIELD;
4862 }
4863
4864 static void DrawPropertiesAdvanced()
4865 {
4866   int i;
4867
4868   /* draw stickybutton gadget */
4869   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4870   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4871   MapCheckbuttonGadget(i);
4872
4873   /* draw checkbutton gadgets */
4874   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
4875        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
4876     MapCheckbuttonGadget(i);
4877
4878   /* draw counter gadgets */
4879   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
4880     MapCounterButtons(i);
4881
4882   /* draw selectbox gadgets */
4883   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
4884     MapSelectboxGadget(i);
4885
4886   /* draw textbutton gadgets */
4887   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
4888
4889   /* draw drawing area gadgets */
4890   DrawPropertiesAdvancedDrawingAreas();
4891 }
4892
4893 static void DrawElementName(int x, int y, int element)
4894 {
4895   char *element_name = getElementInfoText(element);
4896   int font_nr = FONT_TEXT_1;
4897   int font_width = getFontWidth(font_nr);
4898   int font_height = getFontHeight(font_nr);
4899   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
4900   int max_chars_per_line = max_text_width / font_width;
4901   char buffer[max_chars_per_line + 1];
4902
4903   if (strlen(element_name) <= max_chars_per_line)
4904     DrawTextF(x, y, font_nr, element_name);
4905   else
4906   {
4907     int next_pos = max_chars_per_line;
4908
4909     strncpy(buffer, element_name, max_chars_per_line);
4910     buffer[max_chars_per_line] = '\0';
4911
4912     if (element_name[max_chars_per_line] == ' ')
4913       next_pos++;
4914     else
4915     {
4916       int i;
4917
4918       for (i = max_chars_per_line - 1; i >= 0; i--)
4919         if (buffer[i] == ' ')
4920           break;
4921
4922       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
4923       {
4924         buffer[i] = '\0';
4925         next_pos = i + 1;
4926       }
4927     }
4928
4929     DrawTextF(x, y - font_height / 2, font_nr, buffer);
4930
4931     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
4932     buffer[max_chars_per_line] = '\0';
4933
4934     DrawTextF(x, y + font_height / 2, font_nr, buffer);
4935   }
4936 }
4937
4938 static void DrawPropertiesWindow()
4939 {
4940   int xstart = 2;
4941   int ystart = 4;
4942
4943   stick_element_properties_window = FALSE;
4944
4945   /* make sure that previous properties edit mode exists for this element */
4946   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
4947       !IS_CUSTOM_ELEMENT(properties_element))
4948     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
4949
4950   if (IS_CUSTOM_ELEMENT(properties_element))
4951     CopyCustomElementPropertiesToEditor(properties_element);
4952
4953   UnmapLevelEditorWindowGadgets();
4954
4955   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4956   ClearWindow();
4957
4958   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4959            "Element Settings", FONT_TITLE_1);
4960
4961   DrawElementBorder(SX + xstart * MINI_TILEX,
4962                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4963                     TILEX, TILEY, FALSE);
4964   DrawGraphicAnimationExt(drawto,
4965                           SX + xstart * MINI_TILEX,
4966                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4967                           el2img(properties_element), -1, NO_MASKING);
4968
4969   FrameCounter = 0;     /* restart animation frame counter */
4970
4971   DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
4972                   properties_element);
4973
4974   DrawPropertiesTabulatorGadgets();
4975
4976   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
4977     DrawPropertiesInfo();
4978   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
4979     DrawPropertiesConfig();
4980   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
4981     DrawPropertiesAdvanced();
4982 }
4983
4984 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
4985 {
4986   int lx = sx + level_xpos;
4987   int ly = sy + level_ypos;
4988
4989   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
4990
4991   if (change_level)
4992     Feld[lx][ly] = element;
4993 }
4994
4995 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
4996                      int element, boolean change_level)
4997 {
4998   if (from_y == to_y)                   /* horizontal line */
4999   {
5000     int x;
5001     int y = from_y;
5002
5003     if (from_x > to_x)
5004       swap_numbers(&from_x, &to_x);
5005
5006     for (x=from_x; x<=to_x; x++)
5007       DrawLineElement(x, y, element, change_level);
5008   }
5009   else if (from_x == to_x)              /* vertical line */
5010   {
5011     int x = from_x;
5012     int y;
5013
5014     if (from_y > to_y)
5015       swap_numbers(&from_y, &to_y);
5016
5017     for (y=from_y; y<=to_y; y++)
5018       DrawLineElement(x, y, element, change_level);
5019   }
5020   else                                  /* diagonal line */
5021   {
5022     int len_x = ABS(to_x - from_x);
5023     int len_y = ABS(to_y - from_y);
5024     int x, y;
5025
5026     if (len_y < len_x)                  /* a < 1 */
5027     {
5028       float a = (float)len_y / (float)len_x;
5029
5030       if (from_x > to_x)
5031         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5032
5033       for (x=0; x<=len_x; x++)
5034       {
5035         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
5036         DrawLineElement(from_x + x, from_y + y, element, change_level);
5037       }
5038     }
5039     else                                /* a >= 1 */
5040     {
5041       float a = (float)len_x / (float)len_y;
5042
5043       if (from_y > to_y)
5044         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5045
5046       for (y=0; y<=len_y; y++)
5047       {
5048         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
5049         DrawLineElement(from_x + x, from_y + y, element, change_level);
5050       }
5051     }
5052   }
5053 }
5054
5055 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
5056                     int element, boolean change_level)
5057 {
5058   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
5059   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
5060   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
5061   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
5062 }
5063
5064 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
5065                           int element, boolean change_level)
5066 {
5067   int y;
5068
5069   if (from_y > to_y)
5070     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5071
5072   for (y=from_y; y<=to_y; y++)
5073     DrawLine(from_x, y, to_x, y, element, change_level);
5074 }
5075
5076 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
5077                        int element, boolean change_level)
5078 {
5079   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
5080   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
5081   int len_x = ABS(to_x - from_x);
5082   int len_y = ABS(to_y - from_y);
5083   int radius, x, y;
5084
5085   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
5086
5087   /* not optimal (some points get drawn twice) but simple,
5088      and fast enough for the few points we are drawing */
5089
5090   for (x=0; x<=radius; x++)
5091   {
5092     int sx, sy, lx, ly;
5093
5094     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
5095
5096     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5097     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5098     lx = sx + level_xpos;
5099     ly = sy + level_ypos;
5100
5101     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5102       DrawLineElement(sx, sy, element, change_level);
5103   }
5104
5105   for (y=0; y<=radius; y++)
5106   {
5107     int sx, sy, lx, ly;
5108
5109     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
5110
5111     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5112     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5113     lx = sx + level_xpos;
5114     ly = sy + level_ypos;
5115
5116     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5117       DrawLineElement(sx, sy, element, change_level);
5118   }
5119 }
5120
5121 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
5122                     int element, boolean change_level)
5123 {
5124   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5125   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5126
5127   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5128 }
5129
5130 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
5131 #if DRAW_CIRCLES_BUTTON_AVAILABLE
5132 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
5133                        int element, boolean change_level)
5134 {
5135   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5136   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5137   int mirror_to_x2 = from_x - (to_x2 - from_x);
5138   int mirror_to_y2 = from_y - (to_y2 - from_y);
5139
5140   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5141   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
5142   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
5143   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
5144 }
5145 #endif
5146
5147 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
5148 {
5149   int from_sx, from_sy;
5150   int to_sx, to_sy;
5151
5152   if (from_x > to_x)
5153     swap_numbers(&from_x, &to_x);
5154
5155   if (from_y > to_y)
5156     swap_numbers(&from_y, &to_y);
5157
5158   from_sx = SX + from_x * MINI_TILEX;
5159   from_sy = SY + from_y * MINI_TILEY;
5160   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
5161   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
5162
5163   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
5164   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
5165   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
5166   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
5167
5168   if (from_x == to_x && from_y == to_y)
5169     MarkTileDirty(from_x/2, from_y/2);
5170   else
5171     redraw_mask |= REDRAW_FIELD;
5172 }
5173
5174 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
5175                        int element, boolean change_level)
5176 {
5177   if (element == -1 || change_level)
5178     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
5179   else
5180     DrawAreaBorder(from_x, from_y, to_x, to_y);
5181 }
5182
5183 /* values for CopyBrushExt() */
5184 #define CB_AREA_TO_BRUSH        0
5185 #define CB_BRUSH_TO_CURSOR      1
5186 #define CB_BRUSH_TO_LEVEL       2
5187 #define CB_DELETE_OLD_CURSOR    3
5188
5189 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
5190                          int button, int mode)
5191 {
5192   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
5193   static int brush_width, brush_height;
5194   static int last_cursor_x = -1, last_cursor_y = -1;
5195   static boolean delete_old_brush;
5196   int new_element = BUTTON_ELEMENT(button);
5197   int x, y;
5198
5199   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
5200     return;
5201
5202   if (mode == CB_AREA_TO_BRUSH)
5203   {
5204     int from_lx, from_ly;
5205
5206     if (from_x > to_x)
5207       swap_numbers(&from_x, &to_x);
5208
5209     if (from_y > to_y)
5210       swap_numbers(&from_y, &to_y);
5211
5212     brush_width = to_x - from_x + 1;
5213     brush_height = to_y - from_y + 1;
5214
5215     from_lx = from_x + level_xpos;
5216     from_ly = from_y + level_ypos;
5217
5218     for (y=0; y<brush_height; y++)
5219     {
5220       for (x=0; x<brush_width; x++)
5221       {
5222         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
5223
5224         if (button != 1)
5225           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
5226       }
5227     }
5228
5229     if (button != 1)
5230       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5231
5232     delete_old_brush = FALSE;
5233   }
5234   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
5235            mode == CB_BRUSH_TO_LEVEL)
5236   {
5237     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
5238     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
5239     int cursor_from_x = cursor_x - brush_width / 2;
5240     int cursor_from_y = cursor_y - brush_height / 2;
5241     int border_from_x = cursor_x, border_from_y = cursor_y;
5242     int border_to_x = cursor_x, border_to_y = cursor_y;
5243
5244     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
5245       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5246
5247     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
5248         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
5249     {
5250       delete_old_brush = FALSE;
5251       return;
5252     }
5253
5254     for (y=0; y<brush_height; y++)
5255     {
5256       for (x=0; x<brush_width; x++)
5257       {
5258         int sx = cursor_from_x + x;
5259         int sy = cursor_from_y + y;
5260         int lx = sx + level_xpos;
5261         int ly = sy + level_ypos;
5262         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
5263         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
5264                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
5265                        brush_buffer[x][y] : new_element);
5266
5267         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5268         {
5269           if (sx < border_from_x)
5270             border_from_x = sx;
5271           else if (sx > border_to_x)
5272             border_to_x = sx;
5273           if (sy < border_from_y)
5274             border_from_y = sy;
5275           else if (sy > border_to_y)
5276             border_to_y = sy;
5277
5278           DrawLineElement(sx, sy, element, change_level);
5279         }
5280       }
5281     }
5282
5283     if (mode != CB_DELETE_OLD_CURSOR)
5284       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
5285
5286     last_cursor_x = cursor_x;
5287     last_cursor_y = cursor_y;
5288     delete_old_brush = TRUE;
5289   }
5290 }
5291
5292 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
5293                             int button)
5294 {
5295   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
5296 }
5297
5298 static void CopyBrushToLevel(int x, int y, int button)
5299 {
5300   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
5301 }
5302
5303 static void CopyBrushToCursor(int x, int y)
5304 {
5305   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
5306 }
5307
5308 static void DeleteBrushFromCursor()
5309 {
5310   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5311 }
5312
5313 static void FloodFill(int from_x, int from_y, int fill_element)
5314 {
5315   int i,x,y;
5316   int old_element;
5317   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
5318   static int safety = 0;
5319
5320   /* check if starting field still has the desired content */
5321   if (Feld[from_x][from_y] == fill_element)
5322     return;
5323
5324   safety++;
5325
5326   if (safety > lev_fieldx*lev_fieldy)
5327     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
5328
5329   old_element = Feld[from_x][from_y];
5330   Feld[from_x][from_y] = fill_element;
5331
5332   for(i=0;i<4;i++)
5333   {
5334     x = from_x + check[i][0];
5335     y = from_y + check[i][1];
5336
5337     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
5338       FloodFill(x, y, fill_element);
5339   }
5340
5341   safety--;
5342 }
5343
5344 /* values for DrawLevelText() modes */
5345 #define TEXT_INIT               0
5346 #define TEXT_SETCURSOR          1
5347 #define TEXT_WRITECHAR          2
5348 #define TEXT_BACKSPACE          3
5349 #define TEXT_NEWLINE            4
5350 #define TEXT_END                5
5351 #define TEXT_QUERY_TYPING       6
5352
5353 static int DrawLevelText(int sx, int sy, char letter, int mode)
5354 {
5355   static short delete_buffer[MAX_LEV_FIELDX];
5356   static int start_sx, start_sy;
5357   static int last_sx, last_sy;
5358   static boolean typing = FALSE;
5359   int letter_element = EL_CHAR_ASCII0 + letter;
5360   int lx = 0, ly = 0;
5361
5362   /* map lower case letters to upper case and convert special characters */
5363   if (letter >= 'a' && letter <= 'z')
5364     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
5365   else if (letter == 'ä' || letter == 'Ä')
5366     letter_element = EL_CHAR_AUMLAUT;
5367   else if (letter == 'ö' || letter == 'Ö')
5368     letter_element = EL_CHAR_OUMLAUT;
5369   else if (letter == 'ü' || letter == 'Ü')
5370     letter_element = EL_CHAR_UUMLAUT;
5371   else if (letter == '^')
5372     letter_element = EL_CHAR_COPYRIGHT;
5373   else
5374     letter_element = EL_CHAR_ASCII0 + letter;
5375
5376   if (mode != TEXT_INIT)
5377   {
5378     if (!typing)
5379       return FALSE;
5380
5381     if (mode != TEXT_SETCURSOR)
5382     {
5383       sx = last_sx;
5384       sy = last_sy;
5385     }
5386
5387     lx = last_sx + level_xpos;
5388     ly = last_sy + level_ypos;
5389   }
5390
5391   switch (mode)
5392   {
5393     case TEXT_INIT:
5394       if (typing)
5395         DrawLevelText(0, 0, 0, TEXT_END);
5396
5397       typing = TRUE;
5398       start_sx = last_sx = sx;
5399       start_sy = last_sy = sy;
5400       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
5401       break;
5402
5403     case TEXT_SETCURSOR:
5404       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
5405       DrawAreaBorder(sx, sy, sx, sy);
5406       last_sx = sx;
5407       last_sy = sy;
5408       break;
5409
5410     case TEXT_WRITECHAR:
5411       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
5412       {
5413         delete_buffer[sx - start_sx] = Feld[lx][ly];
5414         Feld[lx][ly] = letter_element;
5415
5416         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
5417           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
5418         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
5419           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5420         else
5421           DrawLevelText(0, 0, 0, TEXT_END);
5422       }
5423       break;
5424
5425     case TEXT_BACKSPACE:
5426       if (sx > start_sx)
5427       {
5428         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
5429         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
5430         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
5431       }
5432       break;
5433
5434     case TEXT_NEWLINE:
5435       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
5436         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5437       else
5438         DrawLevelText(0, 0, 0, TEXT_END);
5439       break;
5440
5441     case TEXT_END:
5442       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5443       DrawMiniElement(sx, sy, Feld[lx][ly]);
5444       typing = FALSE;
5445       break;
5446
5447     case TEXT_QUERY_TYPING:
5448       break;
5449
5450     default:
5451       break;
5452   }
5453
5454   return typing;
5455 }
5456
5457 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
5458                           int element, boolean change_level)
5459 {
5460   int lx = sx + level_xpos;
5461   int ly = sy + level_ypos;
5462
5463   if (element == -1)
5464     DrawMiniElement(sx, sy, Feld[lx][ly]);
5465   else
5466     DrawAreaBorder(sx, sy, sx, sy);
5467 }
5468
5469 static void CopyLevelToUndoBuffer(int mode)
5470 {
5471   static boolean accumulated_undo = FALSE;
5472   boolean new_undo_buffer_position = TRUE;
5473   int last_border_element;
5474   int x, y;
5475
5476   switch (mode)
5477   {
5478     case UNDO_IMMEDIATE:
5479       accumulated_undo = FALSE;
5480       break;
5481
5482     case UNDO_ACCUMULATE:
5483       if (accumulated_undo)
5484         new_undo_buffer_position = FALSE;
5485       accumulated_undo = TRUE;
5486       break;
5487
5488     default:
5489       break;
5490   }
5491
5492   if (new_undo_buffer_position)
5493   {
5494     /* new position in undo buffer ring */
5495     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
5496
5497     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
5498       undo_buffer_steps++;
5499   }
5500
5501   for(x=0; x<lev_fieldx; x++)
5502     for(y=0; y<lev_fieldy; y++)
5503       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
5504
5505   /* check if drawing operation forces change of border style */
5506   last_border_element = BorderElement;
5507   SetBorderElement();
5508   if (BorderElement != last_border_element)
5509     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5510 }
5511
5512 static void RandomPlacement(int new_element)
5513 {
5514   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5515   int num_free_positions;
5516   int num_percentage;
5517   int num_elements;
5518   int x, y;
5519
5520   /* determine number of free positions for the new elements */
5521   /* (maybe this statement should be formatted a bit more readable...) */
5522   num_free_positions = 0;
5523   for (x=0; x<lev_fieldx; x++)
5524     for (y=0; y<lev_fieldy; y++)
5525       if ((free_position[x][y] =
5526            ((random_placement_background_restricted &&
5527              Feld[x][y] == random_placement_background_element) ||
5528             (!random_placement_background_restricted &&
5529              Feld[x][y] != new_element))) == TRUE)
5530         num_free_positions++;
5531
5532   /* determine number of new elements to place there */
5533   num_percentage = num_free_positions * random_placement_value / 100;
5534   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
5535                   num_percentage : random_placement_value);
5536
5537   /* if not more free positions than elements to place, fill whole level */
5538   if (num_elements >= num_free_positions)
5539   {
5540     for (x=0; x<lev_fieldx; x++)
5541       for (y=0; y<lev_fieldy; y++)
5542         Feld[x][y] = new_element;
5543
5544     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5545     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5546     return;
5547   }
5548
5549   while (num_elements > 0)
5550   {
5551     x = RND(lev_fieldx);
5552     y = RND(lev_fieldy);
5553
5554     /* don't place element at the same position twice */
5555     if (free_position[x][y])
5556     {
5557       free_position[x][y] = FALSE;
5558       Feld[x][y] = new_element;
5559       num_elements--;
5560     }
5561   }
5562
5563   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5564   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5565 }
5566
5567 void WrapLevel(int dx, int dy)
5568 {
5569   int wrap_dx = lev_fieldx - dx;
5570   int wrap_dy = lev_fieldy - dy;
5571   int x, y;
5572
5573   for(x=0; x<lev_fieldx; x++)
5574     for(y=0; y<lev_fieldy; y++)
5575       FieldBackup[x][y] = Feld[x][y];
5576
5577   for(x=0; x<lev_fieldx; x++)
5578     for(y=0; y<lev_fieldy; y++)
5579       Feld[x][y] =
5580         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
5581
5582   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5583   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
5584 }
5585
5586 static void HandleDrawingAreas(struct GadgetInfo *gi)
5587 {
5588   static boolean started_inside_drawing_area = FALSE;
5589   int id = gi->custom_id;
5590   boolean button_press_event;
5591   boolean button_release_event;
5592   boolean inside_drawing_area = !gi->event.off_borders;
5593   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
5594   int actual_drawing_function;
5595   int button = gi->event.button;
5596   int new_element = BUTTON_ELEMENT(button);
5597   int sx = gi->event.x, sy = gi->event.y;
5598   int min_sx = 0, min_sy = 0;
5599   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
5600   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
5601   int lx = 0, ly = 0;
5602   int min_lx = 0, min_ly = 0;
5603   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
5604   int x, y;
5605
5606   /* handle info callback for each invocation of action callback */
5607   gi->callback_info(gi);
5608
5609   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
5610   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
5611
5612   /* make sure to stay inside drawing area boundaries */
5613   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
5614   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
5615
5616   if (draw_level)
5617   {
5618     /* get positions inside level field */
5619     lx = sx + level_xpos;
5620     ly = sy + level_ypos;
5621
5622     if (!IN_LEV_FIELD(lx, ly))
5623       inside_drawing_area = FALSE;
5624
5625     /* make sure to stay inside level field boundaries */
5626     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5627     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5628
5629     /* correct drawing area positions accordingly */
5630     sx = lx - level_xpos;
5631     sy = ly - level_ypos;
5632   }
5633
5634   if (button_press_event)
5635     started_inside_drawing_area = inside_drawing_area;
5636
5637   if (!started_inside_drawing_area)
5638     return;
5639
5640   if (!button && !button_release_event)
5641     return;
5642
5643   /* automatically switch to 'single item' drawing mode, if needed */
5644   actual_drawing_function =
5645     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
5646      drawing_function : GADGET_ID_SINGLE_ITEMS);
5647
5648   /* clicking into drawing area with pressed Control key picks element */
5649   if (GetKeyModState() & KMOD_Control)
5650     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
5651
5652   switch (actual_drawing_function)
5653   {
5654     case GADGET_ID_SINGLE_ITEMS:
5655       if (draw_level)
5656       {
5657         if (button_release_event)
5658         {
5659           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5660
5661           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
5662               !inside_drawing_area)
5663             DeleteBrushFromCursor();
5664         }
5665
5666         if (!button)
5667           break;
5668
5669         if (draw_with_brush)
5670         {
5671           if (!button_release_event)
5672             CopyBrushToLevel(sx, sy, button);
5673         }
5674         else if (new_element != Feld[lx][ly])
5675         {
5676           if (new_element == EL_PLAYER_1)
5677           {
5678             /* remove player at old position */
5679             for(y=0; y<lev_fieldy; y++)
5680             {
5681               for(x=0; x<lev_fieldx; x++)
5682               {
5683                 if (Feld[x][y] == EL_PLAYER_1)
5684                 {
5685                   Feld[x][y] = EL_EMPTY;
5686                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
5687                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
5688                     DrawMiniElement(x - level_xpos, y - level_ypos,
5689                                     EL_EMPTY);
5690                 }
5691               }
5692             }
5693           }
5694
5695           Feld[lx][ly] = new_element;
5696           DrawMiniElement(sx, sy, new_element);
5697         }
5698       }
5699       else
5700       {
5701         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
5702           DrawMiniGraphicExt(drawto,
5703                              gi->x + sx * MINI_TILEX,
5704                              gi->y + sy * MINI_TILEY,
5705                              el2edimg(new_element));
5706         else
5707           DrawGraphicExt(drawto,
5708                          gi->x + sx * TILEX,
5709                          gi->y + sy * TILEY,
5710                          el2img(new_element), 0);
5711
5712         if (id == GADGET_ID_AMOEBA_CONTENT)
5713           level.amoeba_content = new_element;
5714         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5715         {
5716           new_element = GFX_ELEMENT(new_element);
5717           custom_element.gfx_element = new_element;
5718           element_info[properties_element] = custom_element;
5719
5720           ModifyEditorElementList();
5721           RedrawDrawingElements();
5722
5723           DrawPropertiesAdvancedDrawingAreas();
5724
5725           FrameCounter = 0;     /* restart animation frame counter */
5726         }
5727         else if (id == GADGET_ID_CUSTOM_CONTENT)
5728         {
5729           custom_element.content[sx][sy] = new_element;
5730           element_info[properties_element] = custom_element;
5731         }
5732         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
5733         {
5734           custom_element.change.target_element = new_element;
5735           element_info[properties_element] = custom_element;
5736         }
5737         else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
5738         {
5739           custom_element.change.content[sx][sy] = new_element;
5740           element_info[properties_element] = custom_element;
5741         }
5742         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
5743         {
5744           custom_element.change.trigger_element = new_element;
5745           element_info[properties_element] = custom_element;
5746         }
5747         else if (id == GADGET_ID_RANDOM_BACKGROUND)
5748           random_placement_background_element = new_element;
5749         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5750                  id <= GADGET_ID_ELEMENT_CONTENT_7)
5751           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
5752             new_element;
5753       }
5754       break;
5755
5756     case GADGET_ID_CONNECTED_ITEMS:
5757       {
5758         static int last_sx = -1;
5759         static int last_sy = -1;
5760
5761         if (button_release_event)
5762           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5763
5764         if (button)
5765         {
5766           if (!button_press_event)
5767             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
5768
5769           last_sx = sx;
5770           last_sy = sy;
5771         }
5772       }
5773       break;
5774
5775     case GADGET_ID_LINE:
5776     case GADGET_ID_ARC:
5777     case GADGET_ID_RECTANGLE:
5778     case GADGET_ID_FILLED_BOX:
5779     case GADGET_ID_GRAB_BRUSH:
5780     case GADGET_ID_TEXT:
5781       {
5782         static int last_sx = -1;
5783         static int last_sy = -1;
5784         static int start_sx = -1;
5785         static int start_sy = -1;
5786         void (*draw_func)(int, int, int, int, int, boolean);
5787
5788         if (drawing_function == GADGET_ID_LINE)
5789           draw_func = DrawLine;
5790         else if (drawing_function == GADGET_ID_ARC)
5791           draw_func = DrawArc;
5792         else if (drawing_function == GADGET_ID_RECTANGLE)
5793           draw_func = DrawBox;
5794         else if (drawing_function == GADGET_ID_FILLED_BOX)
5795           draw_func = DrawFilledBox;
5796         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
5797           draw_func = SelectArea;
5798         else /* (drawing_function == GADGET_ID_TEXT) */
5799           draw_func = SetTextCursor;
5800
5801         if (button_press_event)
5802         {
5803           draw_func(sx, sy, sx, sy, new_element, FALSE);
5804           start_sx = last_sx = sx;
5805           start_sy = last_sy = sy;
5806
5807           if (drawing_function == GADGET_ID_TEXT)
5808             DrawLevelText(0, 0, 0, TEXT_END);
5809         }
5810         else if (button_release_event)
5811         {
5812           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
5813           if (drawing_function == GADGET_ID_GRAB_BRUSH)
5814           {
5815             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
5816             CopyBrushToCursor(sx, sy);
5817             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
5818                           MB_LEFTBUTTON);
5819             draw_with_brush = TRUE;
5820           }
5821           else if (drawing_function == GADGET_ID_TEXT)
5822             DrawLevelText(sx, sy, 0, TEXT_INIT);
5823           else
5824             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5825         }
5826         else if (last_sx != sx || last_sy != sy)
5827         {
5828           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
5829           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
5830           last_sx = sx;
5831           last_sy = sy;
5832         }
5833       }
5834       break;
5835
5836     case GADGET_ID_FLOOD_FILL:
5837       if (button_press_event && Feld[lx][ly] != new_element)
5838       {
5839         FloodFill(lx, ly, new_element);
5840         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5841         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5842       }
5843       break;
5844
5845     case GADGET_ID_PICK_ELEMENT:
5846       if (button_release_event)
5847         ClickOnGadget(level_editor_gadget[last_drawing_function],
5848                       MB_LEFTBUTTON);
5849       else if (draw_level)
5850         PickDrawingElement(button, Feld[lx][ly]);
5851       else if (id == GADGET_ID_AMOEBA_CONTENT)
5852         PickDrawingElement(button, level.amoeba_content);
5853       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5854         PickDrawingElement(button, custom_element.gfx_element);
5855       else if (id == GADGET_ID_CUSTOM_CONTENT)
5856         PickDrawingElement(button, custom_element.content[sx][sy]);
5857       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
5858         PickDrawingElement(button, custom_element.change.target_element);
5859       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
5860         PickDrawingElement(button, custom_element.change.content[sx][sy]);
5861       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
5862         PickDrawingElement(button, custom_element.change.trigger_element);
5863       else if (id == GADGET_ID_RANDOM_BACKGROUND)
5864         PickDrawingElement(button, random_placement_background_element);
5865       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5866                id <= GADGET_ID_ELEMENT_CONTENT_7)
5867       {
5868         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
5869
5870         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
5871       }
5872
5873       break;
5874
5875     default:
5876       break;
5877   }
5878 }
5879
5880 static void HandleCounterButtons(struct GadgetInfo *gi)
5881 {
5882   int gadget_id = gi->custom_id;
5883   int counter_id = gi->custom_type_id;
5884   int button = gi->event.button;
5885   int *counter_value = counterbutton_info[counter_id].value;
5886   int step = BUTTON_STEPSIZE(button) *
5887     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
5888
5889   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
5890   {
5891     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
5892     boolean released = (gi->event.type == GD_EVENT_RELEASED);
5893     boolean level_changed = LevelChanged();
5894
5895     if ((level_changed && pressed) || (!level_changed && released))
5896       return;
5897
5898     if (level_changed && !Request("Level has changed! Discard changes ?",
5899                                   REQ_ASK))
5900     {
5901       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5902         ModifyEditorCounter(counter_id, *counter_value);
5903       return;
5904     }
5905   }
5906
5907   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5908     *counter_value = gi->text.number_value;
5909   else
5910     ModifyEditorCounter(counter_id, *counter_value + step);
5911
5912   switch (counter_id)
5913   {
5914     case ED_COUNTER_ID_ELEMENT_CONTENT:
5915       DrawElementContentAreas();
5916       break;
5917
5918     case ED_COUNTER_ID_LEVEL_XSIZE:
5919     case ED_COUNTER_ID_LEVEL_YSIZE:
5920       lev_fieldx = level.fieldx;
5921       lev_fieldy = level.fieldy;
5922       break;
5923
5924     case ED_COUNTER_ID_SELECT_LEVEL:
5925       LoadLevel(level_nr);
5926       TapeErase();
5927       ResetUndoBuffer();
5928       DrawEditModeWindow();
5929       break;
5930
5931     default:
5932       break;
5933   }
5934
5935   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
5936        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
5937       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
5938        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
5939     CopyCustomElementPropertiesToGame(properties_element);
5940 }
5941
5942 static void HandleTextInputGadgets(struct GadgetInfo *gi)
5943 {
5944   int type_id = gi->custom_type_id;
5945
5946   strcpy(textinput_info[type_id].value, gi->text.value);
5947
5948   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
5949   {
5950     CopyCustomElementPropertiesToGame(properties_element);
5951
5952     ModifyEditorElementList();  /* update changed button info text */
5953   }
5954 }
5955
5956 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
5957 {
5958   int type_id = gi->custom_type_id;
5959
5960   *selectbox_info[type_id].value =
5961     selectbox_info[type_id].options[gi->selectbox.index].value;
5962
5963   if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
5964        type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
5965       (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
5966        type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
5967     CopyCustomElementPropertiesToGame(properties_element);
5968 }
5969
5970 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
5971 {
5972   if (gi->custom_type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
5973       gi->custom_type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
5974   {
5975     edit_mode_properties = gi->custom_type_id;
5976
5977     DrawPropertiesWindow();
5978   }
5979 }
5980
5981 static void HandleRadiobuttons(struct GadgetInfo *gi)
5982 {
5983   *radiobutton_info[gi->custom_type_id].value =
5984     radiobutton_info[gi->custom_type_id].checked_value;
5985 }
5986
5987 static void HandleCheckbuttons(struct GadgetInfo *gi)
5988 {
5989   int type_id = gi->custom_type_id;
5990
5991   *checkbutton_info[type_id].value ^= TRUE;
5992
5993   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
5994        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
5995       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
5996        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST))
5997     CopyCustomElementPropertiesToGame(properties_element);
5998
5999   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
6000   {
6001     ModifyEditorElementList();
6002     RedrawDrawingElements();
6003
6004     DrawPropertiesAdvancedDrawingAreas();
6005   }
6006 }
6007
6008 static void HandleControlButtons(struct GadgetInfo *gi)
6009 {
6010   int id = gi->custom_id;
6011   int button = gi->event.button;
6012   int step = BUTTON_STEPSIZE(button);
6013   int new_element = BUTTON_ELEMENT(button);
6014   int x, y;
6015
6016   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
6017     DrawLevelText(0, 0, 0, TEXT_END);
6018
6019   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
6020       id != GADGET_ID_PICK_ELEMENT && edit_mode != ED_MODE_DRAWING &&
6021       drawing_function != GADGET_ID_PICK_ELEMENT &&
6022       !(GetKeyModState() & KMOD_Control))
6023   {
6024     DrawDrawingWindow();
6025     edit_mode = ED_MODE_DRAWING;
6026   }
6027
6028   switch (id)
6029   {
6030     case GADGET_ID_SCROLL_LEFT:
6031       if (level_xpos >= 0)
6032       {
6033         if (lev_fieldx < ed_fieldx - 2)
6034           break;
6035
6036         level_xpos -= step;
6037         if (level_xpos < -1)
6038           level_xpos = -1;
6039         if (button == 1)
6040           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
6041         else
6042           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6043
6044         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6045                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6046       }
6047       break;
6048
6049     case GADGET_ID_SCROLL_RIGHT:
6050       if (level_xpos <= lev_fieldx - ed_fieldx)
6051       {
6052         if (lev_fieldx < ed_fieldx - 2)
6053           break;
6054
6055         level_xpos += step;
6056         if (level_xpos > lev_fieldx - ed_fieldx + 1)
6057           level_xpos = lev_fieldx - ed_fieldx + 1;
6058         if (button == 1)
6059           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
6060         else
6061           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6062
6063         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6064                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6065       }
6066       break;
6067
6068     case GADGET_ID_SCROLL_UP:
6069       if (level_ypos >= 0)
6070       {
6071         if (lev_fieldy < ed_fieldy - 2)
6072           break;
6073
6074         level_ypos -= step;
6075         if (level_ypos < -1)
6076           level_ypos = -1;
6077         if (button == 1)
6078           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
6079         else
6080           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6081
6082         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6083                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6084       }
6085       break;
6086
6087     case GADGET_ID_SCROLL_DOWN:
6088       if (level_ypos <= lev_fieldy - ed_fieldy)
6089       {
6090         if (lev_fieldy < ed_fieldy - 2)
6091           break;
6092
6093         level_ypos += step;
6094         if (level_ypos > lev_fieldy - ed_fieldy + 1)
6095           level_ypos = lev_fieldy - ed_fieldy + 1;
6096         if (button == 1)
6097           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
6098         else
6099           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6100
6101         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6102                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6103       }
6104       break;
6105
6106     case GADGET_ID_SCROLL_HORIZONTAL:
6107       level_xpos = gi->event.item_position - 1;
6108       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6109       break;
6110
6111     case GADGET_ID_SCROLL_VERTICAL:
6112       level_ypos = gi->event.item_position - 1;
6113       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6114       break;
6115
6116     case GADGET_ID_SCROLL_LIST_UP:
6117     case GADGET_ID_SCROLL_LIST_DOWN:
6118     case GADGET_ID_SCROLL_LIST_VERTICAL:
6119       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
6120         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
6121       else
6122       {
6123         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
6124         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
6125
6126         if (element_shift < 0)
6127           element_shift = 0;
6128         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
6129           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
6130
6131         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
6132                      GDI_SCROLLBAR_ITEM_POSITION,
6133                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
6134       }
6135
6136       ModifyEditorElementList();
6137
6138       break;
6139
6140     case GADGET_ID_WRAP_LEFT:
6141       WrapLevel(-step, 0);
6142       break;
6143
6144     case GADGET_ID_WRAP_RIGHT:
6145       WrapLevel(step, 0);
6146       break;
6147
6148     case GADGET_ID_WRAP_UP:
6149       WrapLevel(0, -step);
6150       break;
6151
6152     case GADGET_ID_WRAP_DOWN:
6153       WrapLevel(0, step);
6154       break;
6155
6156     case GADGET_ID_SINGLE_ITEMS:
6157     case GADGET_ID_CONNECTED_ITEMS:
6158     case GADGET_ID_LINE:
6159     case GADGET_ID_ARC:
6160     case GADGET_ID_TEXT:
6161     case GADGET_ID_RECTANGLE:
6162     case GADGET_ID_FILLED_BOX:
6163     case GADGET_ID_FLOOD_FILL:
6164     case GADGET_ID_GRAB_BRUSH:
6165     case GADGET_ID_PICK_ELEMENT:
6166       if (drawing_function != GADGET_ID_PICK_ELEMENT)
6167         last_drawing_function = drawing_function;
6168       drawing_function = id;
6169       draw_with_brush = FALSE;
6170       break;
6171
6172     case GADGET_ID_RANDOM_PLACEMENT:
6173       RandomPlacement(new_element);
6174       break;
6175
6176     case GADGET_ID_PROPERTIES:
6177       if (edit_mode != ED_MODE_PROPERTIES)
6178       {
6179         properties_element = new_element;
6180         DrawPropertiesWindow();
6181         edit_mode = ED_MODE_PROPERTIES;
6182       }
6183       else
6184       {
6185         DrawDrawingWindow();
6186         edit_mode = ED_MODE_DRAWING;
6187       }
6188       break;
6189
6190     case GADGET_ID_UNDO:
6191       if (undo_buffer_steps == 0)
6192       {
6193         Request("Undo buffer empty !", REQ_CONFIRM);
6194         break;
6195       }
6196
6197       if (edit_mode != ED_MODE_DRAWING)
6198       {
6199         DrawDrawingWindow();
6200         edit_mode = ED_MODE_DRAWING;
6201       }
6202
6203       undo_buffer_position =
6204         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
6205       undo_buffer_steps--;
6206
6207       for(x=0; x<lev_fieldx; x++)
6208         for(y=0; y<lev_fieldy; y++)
6209           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
6210       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
6211       break;
6212
6213     case GADGET_ID_INFO:
6214       if (edit_mode != ED_MODE_INFO)
6215       {
6216         DrawLevelInfoWindow();
6217         edit_mode = ED_MODE_INFO;
6218       }
6219       else
6220       {
6221         DrawDrawingWindow();
6222         edit_mode = ED_MODE_DRAWING;
6223       }
6224       break;
6225
6226     case GADGET_ID_CLEAR:
6227       if (edit_mode != ED_MODE_DRAWING)
6228       {
6229         DrawDrawingWindow();
6230         edit_mode = ED_MODE_DRAWING;
6231       }
6232
6233       for(x=0; x<MAX_LEV_FIELDX; x++)
6234         for(y=0; y<MAX_LEV_FIELDY; y++)
6235           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
6236       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
6237
6238       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6239       break;
6240
6241     case GADGET_ID_SAVE:
6242       if (leveldir_current->readonly)
6243       {
6244         Request("This level is read only !", REQ_CONFIRM);
6245         break;
6246       }
6247
6248       if (!LevelContainsPlayer)
6249         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
6250       else
6251       {
6252         if (Request("Save this level and kill the old ?", REQ_ASK))
6253         {
6254           CopyPlayfield(Feld, Ur);
6255
6256           SaveLevel(level_nr);
6257         }
6258       }
6259       break;
6260
6261     case GADGET_ID_TEST:
6262       if (!LevelContainsPlayer)
6263         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
6264       else
6265       {
6266         if (LevelChanged())
6267           level.game_version = GAME_VERSION_ACTUAL;
6268
6269         CopyPlayfield(Ur, FieldBackup);
6270         CopyPlayfield(Feld, Ur);
6271
6272         UnmapLevelEditorGadgets();
6273         UndrawSpecialEditorDoor();
6274
6275         CloseDoor(DOOR_CLOSE_ALL);
6276
6277         DrawCompleteVideoDisplay();
6278
6279         if (setup.autorecord)
6280           TapeStartRecording();
6281
6282         level_editor_test_game = TRUE;
6283         game_status = GAME_MODE_PLAYING;
6284
6285         InitGame();
6286       }
6287       break;
6288
6289     case GADGET_ID_EXIT:
6290       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
6291       break;
6292
6293     default:
6294       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
6295           id <= GADGET_ID_ELEMENTLIST_LAST)
6296       {
6297         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
6298         int new_element = editor_elements[element_position + element_shift];
6299
6300         PickDrawingElement(button, new_element);
6301
6302         if (!stick_element_properties_window &&
6303             drawing_function != GADGET_ID_PICK_ELEMENT &&
6304             !(GetKeyModState() & KMOD_Control))
6305         {
6306           properties_element = new_element;
6307           if (edit_mode == ED_MODE_PROPERTIES)
6308             DrawPropertiesWindow();
6309         }
6310
6311         if (drawing_function == GADGET_ID_PICK_ELEMENT)
6312           ClickOnGadget(level_editor_gadget[last_drawing_function],
6313                         MB_LEFTBUTTON);
6314       }
6315 #ifdef DEBUG
6316       else if (gi->event.type == GD_EVENT_PRESSED)
6317         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
6318       else if (gi->event.type == GD_EVENT_RELEASED)
6319         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
6320       else if (gi->event.type == GD_EVENT_MOVING)
6321         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
6322       else
6323         printf("default: HandleControlButtons: ? (id == %d)\n", id);
6324 #endif
6325       break;
6326   }
6327 }
6328
6329 void HandleLevelEditorKeyInput(Key key)
6330 {
6331   char letter = getCharFromKey(key);
6332   int button = MB_LEFTBUTTON;
6333
6334   if (drawing_function == GADGET_ID_TEXT &&
6335       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
6336   {
6337     if (letter)
6338       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
6339     else if (key == KSYM_Delete || key == KSYM_BackSpace)
6340       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
6341     else if (key == KSYM_Return)
6342       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
6343     else if (key == KSYM_Escape)
6344       DrawLevelText(0, 0, 0, TEXT_END);
6345   }
6346   else if (button_status == MB_RELEASED)
6347   {
6348     int i, id = GADGET_ID_NONE;
6349
6350     switch (key)
6351     {
6352       case KSYM_Left:
6353         id = GADGET_ID_SCROLL_LEFT;
6354         break;
6355       case KSYM_Right:
6356         id = GADGET_ID_SCROLL_RIGHT;
6357         break;
6358       case KSYM_Up:
6359         id = GADGET_ID_SCROLL_UP;
6360         break;
6361       case KSYM_Down:
6362         id = GADGET_ID_SCROLL_DOWN;
6363         break;
6364       case KSYM_Page_Up:
6365         id = GADGET_ID_SCROLL_LIST_UP;
6366         button = MB_RIGHTBUTTON;
6367         break;
6368       case KSYM_Page_Down:
6369         id = GADGET_ID_SCROLL_LIST_DOWN;
6370         button = MB_RIGHTBUTTON;
6371         break;
6372
6373       case KSYM_Escape:
6374         if (edit_mode == ED_MODE_DRAWING)
6375         {
6376           RequestExitLevelEditor(setup.ask_on_escape);
6377         }
6378         else
6379         {
6380           DrawDrawingWindow();
6381           edit_mode = ED_MODE_DRAWING;
6382         }
6383         break;
6384
6385       default:
6386         break;
6387     }
6388
6389     if (id != GADGET_ID_NONE)
6390       ClickOnGadget(level_editor_gadget[id], button);
6391     else if (letter == '.')
6392       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
6393     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
6394       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
6395     else
6396       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
6397         if (letter && letter == control_info[i].shortcut)
6398           if (!anyTextGadgetActive())
6399             ClickOnGadget(level_editor_gadget[i], button);
6400   }
6401 }
6402
6403 void HandleLevelEditorIdle()
6404 {
6405   static unsigned long action_delay = 0;
6406   unsigned long action_delay_value = GameFrameDelay;
6407   int xpos = 1, ypos = 2;
6408
6409   if (edit_mode != ED_MODE_PROPERTIES)
6410     return;
6411
6412   if (!DelayReached(&action_delay, action_delay_value))
6413     return;
6414
6415   DrawGraphicAnimationExt(drawto,
6416                           SX + xpos * TILEX,
6417                           SY + ypos * TILEY + MINI_TILEY / 2,
6418                           el2img(properties_element), -1, NO_MASKING);
6419
6420   MarkTileDirty(xpos, ypos);
6421   MarkTileDirty(xpos, ypos + 1);
6422
6423   FrameCounter++;       /* increase animation frame counter */
6424 }
6425
6426 void ClearEditorGadgetInfoText()
6427 {
6428   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
6429 }
6430
6431 void HandleEditorGadgetInfoText(void *ptr)
6432 {
6433   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
6434   char infotext[MAX_OUTPUT_LINESIZE + 1];
6435   char shortcut[MAX_OUTPUT_LINESIZE + 1];
6436   int max_infotext_len = getMaxInfoTextLength();
6437
6438   if (game_status != GAME_MODE_EDITOR)
6439     return;
6440
6441   ClearEditorGadgetInfoText();
6442
6443   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6444     return;
6445
6446   /* misuse this function to delete brush cursor, if needed */
6447   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
6448     DeleteBrushFromCursor();
6449
6450   if (gi == NULL || gi->info_text == NULL)
6451     return;
6452
6453   strncpy(infotext, gi->info_text, max_infotext_len);
6454   infotext[max_infotext_len] = '\0';
6455
6456   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
6457   {
6458     int key = control_info[gi->custom_id].shortcut;
6459
6460     if (key)
6461     {
6462       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
6463         sprintf(shortcut, " ('.' or '%c')", key);
6464       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
6465         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
6466       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
6467         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
6468       else                                              /* normal case */
6469         sprintf(shortcut, " ('%s%c')",
6470                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
6471
6472       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
6473         strcat(infotext, shortcut);
6474     }
6475   }
6476
6477   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
6478 }
6479
6480 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
6481 {
6482   static int start_lx, start_ly;
6483   char *infotext;
6484   int id = gi->custom_id;
6485   int sx = gi->event.x;
6486   int sy = gi->event.y;
6487   int lx = sx + level_xpos;
6488   int ly = sy + level_ypos;
6489   int min_sx = 0, min_sy = 0;
6490   int max_sx = gi->drawing.area_xsize - 1;
6491   int max_sy = gi->drawing.area_ysize - 1;
6492   int actual_drawing_function = drawing_function;
6493
6494   /* pressed Control key: simulate picking element */
6495   if (GetKeyModState() & KMOD_Control)
6496     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
6497
6498   ClearEditorGadgetInfoText();
6499
6500   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6501     return;
6502
6503   /* make sure to stay inside drawing area boundaries */
6504   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
6505   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
6506
6507   if (id == GADGET_ID_DRAWING_LEVEL)
6508   {
6509     if (button_status)
6510     {
6511       int min_lx = 0, min_ly = 0;
6512       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
6513
6514       /* get positions inside level field */
6515       lx = sx + level_xpos;
6516       ly = sy + level_ypos;
6517
6518       /* make sure to stay inside level field boundaries */
6519       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
6520       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
6521
6522       /* correct drawing area positions accordingly */
6523       sx = lx - level_xpos;
6524       sy = ly - level_ypos;
6525     }
6526
6527     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
6528     {
6529       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
6530       {
6531         if (gi->event.type == GD_EVENT_PRESSED)
6532         {
6533           start_lx = lx;
6534           start_ly = ly;
6535         }
6536
6537         switch (actual_drawing_function)
6538         {
6539           case GADGET_ID_SINGLE_ITEMS:
6540             infotext = "Drawing single items";
6541             break;
6542           case GADGET_ID_CONNECTED_ITEMS:
6543             infotext = "Drawing connected items";
6544             break;
6545           case GADGET_ID_LINE:
6546             infotext = "Drawing line";
6547             break;
6548           case GADGET_ID_ARC:
6549             infotext = "Drawing arc";
6550             break;
6551           case GADGET_ID_TEXT:
6552             infotext = "Setting text cursor";
6553             break;
6554           case GADGET_ID_RECTANGLE:
6555             infotext = "Drawing rectangle";
6556             break;
6557           case GADGET_ID_FILLED_BOX:
6558             infotext = "Drawing filled box";
6559             break;
6560           case GADGET_ID_FLOOD_FILL:
6561             infotext = "Flood fill";
6562             break;
6563           case GADGET_ID_GRAB_BRUSH:
6564             infotext = "Grabbing brush";
6565             break;
6566           case GADGET_ID_PICK_ELEMENT:
6567             infotext = "Picking element";
6568             break;
6569
6570           default:
6571             infotext = "Drawing position";
6572             break;
6573         }
6574
6575         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6576           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6577                     "%s: %d, %d", infotext, lx, ly);
6578         else
6579           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6580                     "%s: %d, %d", infotext,
6581                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
6582       }
6583       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6584         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6585                   "%s", getElementInfoText(Feld[lx][ly]));
6586       else
6587         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6588                   "Level position: %d, %d", lx, ly);
6589     }
6590
6591     /* misuse this function to draw brush cursor, if needed */
6592     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
6593     {
6594       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6595         CopyBrushToCursor(sx, sy);
6596       else
6597         DeleteBrushFromCursor();
6598     }
6599   }
6600   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6601   {
6602     if (id == GADGET_ID_AMOEBA_CONTENT)
6603       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6604                 getElementInfoText(level.amoeba_content));
6605     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6606       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6607                 getElementInfoText(custom_element.gfx_element));
6608     else if (id == GADGET_ID_CUSTOM_CONTENT)
6609       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6610                 getElementInfoText(custom_element.content[sx][sy]));
6611     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6612       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6613                 getElementInfoText(custom_element.change.target_element));
6614     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6615       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6616                 getElementInfoText(custom_element.change.content[sx][sy]));
6617     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6618       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6619                 getElementInfoText(custom_element.change.trigger_element));
6620     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6621       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6622                 getElementInfoText(random_placement_background_element));
6623     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6624              id <= GADGET_ID_ELEMENT_CONTENT_7)
6625     {
6626       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
6627
6628       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6629                 getElementInfoText(level.yamyam_content[i][sx][sy]));
6630     }
6631   }
6632   else
6633   {
6634     if (id == GADGET_ID_AMOEBA_CONTENT)
6635       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6636                 "Amoeba content");
6637     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6638       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6639                 "Custom graphic element");
6640     else if (id == GADGET_ID_CUSTOM_CONTENT)
6641       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6642                 "Custom element content position: %d, %d", sx, sy);
6643     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6644       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6645                 "New element after change");
6646     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6647       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6648                 "New extended elements after change");
6649     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6650       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6651                 "Other element triggering change");
6652     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6653       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6654                 "Random placement background");
6655     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6656              id <= GADGET_ID_ELEMENT_CONTENT_7)
6657       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6658                 "Content area %d position: %d, %d",
6659                 id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
6660   }
6661 }
6662
6663 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
6664 {
6665   if (!ask_if_level_has_changed ||
6666       !LevelChanged() ||
6667       Request("Level has changed! Exit without saving ?",
6668               REQ_ASK | REQ_STAY_OPEN))
6669   {
6670     CloseDoor(DOOR_CLOSE_1);
6671     /*
6672     CloseDoor(DOOR_CLOSE_ALL);
6673     */
6674     game_status = GAME_MODE_MAIN;
6675     DrawMainMenu();
6676   }
6677   else
6678   {
6679     CloseDoor(DOOR_CLOSE_1);
6680     BlitBitmap(bitmap_db_door, bitmap_db_door,
6681                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
6682                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
6683     OpenDoor(DOOR_OPEN_1);
6684   }
6685 }