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_ACCESS_TYPE      0
 526 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     1
 527 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   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_DEADLINESS       8
 534 #define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY      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_ACCESS_TYPE
 544 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_CONSISTENCY
 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_ACCESSIBLE     5
 564 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 6
 565 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       7
 566 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       8
 567 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      9
 568 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       10
 569 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         11
 570 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT 12
 571 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   13
 572 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  14
 573 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 15
 574 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    16
 575 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     17
 576 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          18
 577 #define ED_CHECKBUTTON_ID_CHANGE_BY_PLAYER      19
 578 #define ED_CHECKBUTTON_ID_CHANGE_BY_COLLISION   20
 579 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER       21
 580 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  22
 581 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    23
 582 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  24
 583 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     25
 584 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   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_ACCESSIBLE
 592 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 593
 594 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 595 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE
 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 RedrawDrawingElements();
1524 static void DrawDrawingWindow();
1525 static void DrawLevelInfoWindow();
1526 static void DrawPropertiesWindow();
1527 static boolean checkPropertiesConfig();
1528 static void CopyLevelToUndoBuffer(int);
1529 static void HandleDrawingAreas(struct GadgetInfo *);
1530 static void HandleCounterButtons(struct GadgetInfo *);
1531 static void HandleTextInputGadgets(struct GadgetInfo *);
1532 static void HandleSelectboxGadgets(struct GadgetInfo *);
1533 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1534 static void HandleRadiobuttons(struct GadgetInfo *);
1535 static void HandleCheckbuttons(struct GadgetInfo *);
1536 static void HandleControlButtons(struct GadgetInfo *);
1537 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1538
1539 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1540
1541 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1542 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1543 static boolean draw_with_brush = FALSE;
1544 static int properties_element = 0;
1545
1546 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1547 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1548 static int undo_buffer_position = 0;
1549 static int undo_buffer_steps = 0;
1550
1551 static int edit_mode;
1552 static int edit_mode_properties;
1553
1554 static int element_shift = 0;
1555
1556 static int editor_el_boulderdash[] =
1557 {
1558   EL_CHAR('B'),
1559   EL_CHAR('O'),
1560   EL_CHAR('U'),
1561   EL_CHAR('L'),
1562
1563   EL_CHAR('-'),
1564   EL_CHAR('D'),
1565   EL_CHAR('E'),
1566   EL_CHAR('R'),
1567
1568   EL_CHAR('D'),
1569   EL_CHAR('A'),
1570   EL_CHAR('S'),
1571   EL_CHAR('H'),
1572
1573   EL_PLAYER_1,
1574   EL_EMPTY,
1575   EL_SAND,
1576   EL_STEELWALL,
1577
1578   EL_BD_WALL,
1579   EL_BD_MAGIC_WALL,
1580   EL_EXIT_CLOSED,
1581   EL_EXIT_OPEN,
1582
1583   EL_BD_DIAMOND,
1584   EL_BD_BUTTERFLY_UP,
1585   EL_BD_FIREFLY_UP,
1586   EL_BD_ROCK,
1587
1588   EL_BD_BUTTERFLY_LEFT,
1589   EL_BD_FIREFLY_LEFT,
1590   EL_BD_BUTTERFLY_RIGHT,
1591   EL_BD_FIREFLY_RIGHT,
1592
1593   EL_BD_AMOEBA,
1594   EL_BD_BUTTERFLY_DOWN,
1595   EL_BD_FIREFLY_DOWN,
1596   EL_EMPTY,
1597 };
1598 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1599
1600 static int editor_el_emerald_mine[] =
1601 {
1602   EL_CHAR('E'),
1603   EL_CHAR('M'),
1604   EL_CHAR('E'),
1605   EL_CHAR('-'),
1606
1607   EL_CHAR('R'),
1608   EL_CHAR('A'),
1609   EL_CHAR('L'),
1610   EL_CHAR('D'),
1611
1612   EL_CHAR('M'),
1613   EL_CHAR('I'),
1614   EL_CHAR('N'),
1615   EL_CHAR('E'),
1616
1617   EL_PLAYER_1,
1618   EL_PLAYER_2,
1619   EL_PLAYER_3,
1620   EL_PLAYER_4,
1621
1622   EL_PLAYER_1,
1623   EL_EMPTY,
1624   EL_SAND,
1625   EL_ROCK,
1626
1627   EL_STEELWALL,
1628   EL_WALL,
1629   EL_WALL_CRUMBLED,
1630   EL_MAGIC_WALL,
1631
1632   EL_EMERALD,
1633   EL_DIAMOND,
1634   EL_NUT,
1635   EL_BOMB,
1636
1637   EL_WALL_EMERALD,
1638   EL_WALL_DIAMOND,
1639   EL_QUICKSAND_EMPTY,
1640   EL_QUICKSAND_FULL,
1641
1642   EL_DYNAMITE,
1643   EL_DYNAMITE_ACTIVE,
1644   EL_EXIT_CLOSED,
1645   EL_EXIT_OPEN,
1646
1647   EL_YAMYAM,
1648   EL_BUG_UP,
1649   EL_SPACESHIP_UP,
1650   EL_ROBOT,
1651
1652   EL_BUG_LEFT,
1653   EL_SPACESHIP_LEFT,
1654   EL_BUG_RIGHT,
1655   EL_SPACESHIP_RIGHT,
1656
1657   EL_ROBOT_WHEEL,
1658   EL_BUG_DOWN,
1659   EL_SPACESHIP_DOWN,
1660   EL_INVISIBLE_WALL,
1661
1662   EL_ACID_POOL_TOPLEFT,
1663   EL_ACID,
1664   EL_ACID_POOL_TOPRIGHT,
1665   EL_EMPTY,
1666
1667   EL_ACID_POOL_BOTTOMLEFT,
1668   EL_ACID_POOL_BOTTOM,
1669   EL_ACID_POOL_BOTTOMRIGHT,
1670   EL_EMPTY,
1671
1672   EL_AMOEBA_DROP,
1673   EL_AMOEBA_DEAD,
1674   EL_AMOEBA_WET,
1675   EL_AMOEBA_DRY,
1676
1677   EL_EM_KEY_1_FILE,
1678   EL_EM_KEY_2_FILE,
1679   EL_EM_KEY_3_FILE,
1680   EL_EM_KEY_4_FILE,
1681
1682   EL_EM_GATE_1,
1683   EL_EM_GATE_2,
1684   EL_EM_GATE_3,
1685   EL_EM_GATE_4,
1686
1687   EL_EM_GATE_1_GRAY,
1688   EL_EM_GATE_2_GRAY,
1689   EL_EM_GATE_3_GRAY,
1690   EL_EM_GATE_4_GRAY,
1691 };
1692 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1693
1694 static int editor_el_more[] =
1695 {
1696   EL_CHAR('M'),
1697   EL_CHAR('O'),
1698   EL_CHAR('R'),
1699   EL_CHAR('E'),
1700
1701   EL_KEY_1,
1702   EL_KEY_2,
1703   EL_KEY_3,
1704   EL_KEY_4,
1705
1706   EL_GATE_1,
1707   EL_GATE_2,
1708   EL_GATE_3,
1709   EL_GATE_4,
1710
1711   EL_GATE_1_GRAY,
1712   EL_GATE_2_GRAY,
1713   EL_GATE_3_GRAY,
1714   EL_GATE_4_GRAY,
1715
1716   EL_ARROW_LEFT,
1717   EL_ARROW_RIGHT,
1718   EL_ARROW_UP,
1719   EL_ARROW_DOWN,
1720
1721   EL_AMOEBA_FULL,
1722   EL_EMERALD_YELLOW,
1723   EL_EMERALD_RED,
1724   EL_EMERALD_PURPLE,
1725
1726   EL_WALL_BD_DIAMOND,
1727   EL_WALL_EMERALD_YELLOW,
1728   EL_WALL_EMERALD_RED,
1729   EL_WALL_EMERALD_PURPLE,
1730
1731   EL_GAME_OF_LIFE,
1732   EL_PACMAN_UP,
1733   EL_TIME_ORB_FULL,
1734   EL_TIME_ORB_EMPTY,
1735
1736   EL_PACMAN_LEFT,
1737   EL_DARK_YAMYAM,
1738   EL_PACMAN_RIGHT,
1739   EL_EXPANDABLE_WALL,
1740
1741   EL_BIOMAZE,
1742   EL_PACMAN_DOWN,
1743   EL_LAMP,
1744   EL_LAMP_ACTIVE,
1745
1746   EL_DYNABOMB_INCREASE_NUMBER,
1747   EL_DYNABOMB_INCREASE_SIZE,
1748   EL_DYNABOMB_INCREASE_POWER,
1749   EL_STONEBLOCK,
1750
1751   EL_MOLE,
1752   EL_PENGUIN,
1753   EL_PIG,
1754   EL_DRAGON,
1755
1756   EL_EMPTY,
1757   EL_MOLE_UP,
1758   EL_EMPTY,
1759   EL_EMPTY,
1760
1761   EL_MOLE_LEFT,
1762   EL_EMPTY,
1763   EL_MOLE_RIGHT,
1764   EL_EMPTY,
1765
1766   EL_EMPTY,
1767   EL_MOLE_DOWN,
1768   EL_BALLOON,
1769   EL_BALLOON_SWITCH_ANY,
1770
1771   EL_BALLOON_SWITCH_LEFT,
1772   EL_BALLOON_SWITCH_RIGHT,
1773   EL_BALLOON_SWITCH_UP,
1774   EL_BALLOON_SWITCH_DOWN,
1775
1776   EL_SATELLITE,
1777   EL_EXPANDABLE_WALL_HORIZONTAL,
1778   EL_EXPANDABLE_WALL_VERTICAL,
1779   EL_EXPANDABLE_WALL_ANY,
1780
1781   EL_INVISIBLE_STEELWALL,
1782   EL_INVISIBLE_WALL,
1783   EL_SPEED_PILL,
1784   EL_BLACK_ORB,
1785
1786   EL_EMC_STEELWALL_1,
1787   EL_EMC_WALL_1,
1788   EL_EMC_WALL_2,
1789   EL_EMC_WALL_3,
1790
1791   EL_EMC_WALL_4,
1792   EL_EMC_WALL_5,
1793   EL_EMC_WALL_6,
1794   EL_EMC_WALL_7,
1795 };
1796 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1797
1798 static int editor_el_sokoban[] =
1799 {
1800   EL_CHAR('S'),
1801   EL_CHAR('O'),
1802   EL_CHAR('K'),
1803   EL_CHAR('O'),
1804
1805   EL_CHAR('-'),
1806   EL_CHAR('B'),
1807   EL_CHAR('A'),
1808   EL_CHAR('N'),
1809
1810   EL_SOKOBAN_OBJECT,
1811   EL_SOKOBAN_FIELD_EMPTY,
1812   EL_SOKOBAN_FIELD_FULL,
1813   EL_STEELWALL,
1814 };
1815 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1816
1817 static int editor_el_supaplex[] =
1818 {
1819   EL_CHAR('S'),
1820   EL_CHAR('U'),
1821   EL_CHAR('P'),
1822   EL_CHAR('A'),
1823
1824   EL_CHAR('P'),
1825   EL_CHAR('L'),
1826   EL_CHAR('E'),
1827   EL_CHAR('X'),
1828
1829   EL_SP_EMPTY,
1830   EL_SP_ZONK,
1831   EL_SP_BASE,
1832   EL_SP_MURPHY,
1833
1834   EL_SP_INFOTRON,
1835   EL_SP_CHIP_SINGLE,
1836   EL_SP_HARDWARE_GRAY,
1837   EL_SP_EXIT_CLOSED,
1838
1839   EL_SP_DISK_ORANGE,
1840   EL_SP_PORT_RIGHT,
1841   EL_SP_PORT_DOWN,
1842   EL_SP_PORT_LEFT,
1843
1844   EL_SP_PORT_UP,
1845   EL_SP_GRAVITY_PORT_RIGHT,
1846   EL_SP_GRAVITY_PORT_DOWN,
1847   EL_SP_GRAVITY_PORT_LEFT,
1848
1849   EL_SP_GRAVITY_PORT_UP,
1850   EL_SP_SNIKSNAK,
1851   EL_SP_DISK_YELLOW,
1852   EL_SP_TERMINAL,
1853
1854   EL_SP_DISK_RED,
1855   EL_SP_PORT_VERTICAL,
1856   EL_SP_PORT_HORIZONTAL,
1857   EL_SP_PORT_ANY,
1858
1859   EL_SP_ELECTRON,
1860   EL_SP_BUGGY_BASE,
1861   EL_SP_CHIP_LEFT,
1862   EL_SP_CHIP_RIGHT,
1863
1864   EL_SP_HARDWARE_BASE_1,
1865   EL_SP_HARDWARE_GREEN,
1866   EL_SP_HARDWARE_BLUE,
1867   EL_SP_HARDWARE_RED,
1868
1869   EL_SP_HARDWARE_YELLOW,
1870   EL_SP_HARDWARE_BASE_2,
1871   EL_SP_HARDWARE_BASE_3,
1872   EL_SP_HARDWARE_BASE_4,
1873
1874   EL_SP_HARDWARE_BASE_5,
1875   EL_SP_HARDWARE_BASE_6,
1876   EL_SP_CHIP_TOP,
1877   EL_SP_CHIP_BOTTOM,
1878 };
1879 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1880
1881 static int editor_el_diamond_caves[] =
1882 {
1883   EL_CHAR('D'),
1884   EL_CHAR('I'),
1885   EL_CHAR('A'),
1886   EL_CHAR('-'),
1887
1888   EL_CHAR('M'),
1889   EL_CHAR('O'),
1890   EL_CHAR('N'),
1891   EL_CHAR('D'),
1892
1893   EL_CHAR('C'),
1894   EL_CHAR('A'),
1895   EL_CHAR('V'),
1896   EL_CHAR('E'),
1897
1898   EL_CHAR('S'),
1899   EL_CHAR(' '),
1900   EL_CHAR('I'),
1901   EL_CHAR('I'),
1902
1903   EL_PEARL,
1904   EL_CRYSTAL,
1905   EL_WALL_PEARL,
1906   EL_WALL_CRYSTAL,
1907
1908   EL_CONVEYOR_BELT_1_LEFT,
1909   EL_CONVEYOR_BELT_1_MIDDLE,
1910   EL_CONVEYOR_BELT_1_RIGHT,
1911   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1912
1913   EL_CONVEYOR_BELT_2_LEFT,
1914   EL_CONVEYOR_BELT_2_MIDDLE,
1915   EL_CONVEYOR_BELT_2_RIGHT,
1916   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1917
1918   EL_CONVEYOR_BELT_3_LEFT,
1919   EL_CONVEYOR_BELT_3_MIDDLE,
1920   EL_CONVEYOR_BELT_3_RIGHT,
1921   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1922
1923   EL_CONVEYOR_BELT_4_LEFT,
1924   EL_CONVEYOR_BELT_4_MIDDLE,
1925   EL_CONVEYOR_BELT_4_RIGHT,
1926   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1927
1928   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1929   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1930   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1931   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1932
1933   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1934   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1935   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1936   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1937
1938   EL_SWITCHGATE_OPEN,
1939   EL_SWITCHGATE_CLOSED,
1940   EL_SWITCHGATE_SWITCH_UP,
1941   EL_ENVELOPE,
1942
1943   EL_TIMEGATE_CLOSED,
1944   EL_TIMEGATE_OPEN,
1945   EL_TIMEGATE_SWITCH,
1946   EL_EMPTY,
1947
1948   EL_LANDMINE,
1949   EL_INVISIBLE_SAND,
1950   EL_STEELWALL_SLANTED,
1951   EL_EMPTY,
1952
1953   EL_SIGN_EXCLAMATION,
1954   EL_SIGN_STOP,
1955   EL_LIGHT_SWITCH,
1956   EL_LIGHT_SWITCH_ACTIVE,
1957
1958   EL_SHIELD_NORMAL,
1959   EL_SHIELD_DEADLY,
1960   EL_EXTRA_TIME,
1961   EL_EMPTY,
1962 };
1963 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1964
1965 static int editor_el_dx_boulderdash[] =
1966 {
1967   EL_CHAR('D'),
1968   EL_CHAR('X'),
1969   EL_CHAR('-'),
1970   EL_CHAR(' '),
1971
1972   EL_CHAR('B'),
1973   EL_CHAR('O'),
1974   EL_CHAR('U'),
1975   EL_CHAR('L'),
1976
1977   EL_CHAR('-'),
1978   EL_CHAR('D'),
1979   EL_CHAR('E'),
1980   EL_CHAR('R'),
1981
1982   EL_CHAR('D'),
1983   EL_CHAR('A'),
1984   EL_CHAR('S'),
1985   EL_CHAR('H'),
1986
1987   EL_SPRING,
1988   EL_TUBE_RIGHT_DOWN,
1989   EL_TUBE_HORIZONTAL_DOWN,
1990   EL_TUBE_LEFT_DOWN,
1991
1992   EL_TUBE_HORIZONTAL,
1993   EL_TUBE_VERTICAL_RIGHT,
1994   EL_TUBE_ANY,
1995   EL_TUBE_VERTICAL_LEFT,
1996
1997   EL_TUBE_VERTICAL,
1998   EL_TUBE_RIGHT_UP,
1999   EL_TUBE_HORIZONTAL_UP,
2000   EL_TUBE_LEFT_UP,
2001
2002   EL_TRAP,
2003   EL_DX_SUPABOMB,
2004   EL_EMPTY,
2005   EL_EMPTY
2006 };
2007 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
2008
2009 static int editor_el_chars[] =
2010 {
2011   EL_CHAR('T'),
2012   EL_CHAR('E'),
2013   EL_CHAR('X'),
2014   EL_CHAR('T'),
2015
2016   EL_CHAR(' '),
2017   EL_CHAR('!'),
2018   EL_CHAR('"'),
2019   EL_CHAR('#'),
2020
2021   EL_CHAR('$'),
2022   EL_CHAR('%'),
2023   EL_CHAR('&'),
2024   EL_CHAR('\''),
2025
2026   EL_CHAR('('),
2027   EL_CHAR(')'),
2028   EL_CHAR('*'),
2029   EL_CHAR('+'),
2030
2031   EL_CHAR(','),
2032   EL_CHAR('-'),
2033   EL_CHAR('.'),
2034   EL_CHAR('/'),
2035
2036   EL_CHAR('0'),
2037   EL_CHAR('1'),
2038   EL_CHAR('2'),
2039   EL_CHAR('3'),
2040
2041   EL_CHAR('4'),
2042   EL_CHAR('5'),
2043   EL_CHAR('6'),
2044   EL_CHAR('7'),
2045
2046   EL_CHAR('8'),
2047   EL_CHAR('9'),
2048   EL_CHAR(':'),
2049   EL_CHAR(';'),
2050
2051   EL_CHAR('<'),
2052   EL_CHAR('='),
2053   EL_CHAR('>'),
2054   EL_CHAR('?'),
2055
2056   EL_CHAR('@'),
2057   EL_CHAR('A'),
2058   EL_CHAR('B'),
2059   EL_CHAR('C'),
2060
2061   EL_CHAR('D'),
2062   EL_CHAR('E'),
2063   EL_CHAR('F'),
2064   EL_CHAR('G'),
2065
2066   EL_CHAR('H'),
2067   EL_CHAR('I'),
2068   EL_CHAR('J'),
2069   EL_CHAR('K'),
2070
2071   EL_CHAR('L'),
2072   EL_CHAR('M'),
2073   EL_CHAR('N'),
2074   EL_CHAR('O'),
2075
2076   EL_CHAR('P'),
2077   EL_CHAR('Q'),
2078   EL_CHAR('R'),
2079   EL_CHAR('S'),
2080
2081   EL_CHAR('T'),
2082   EL_CHAR('U'),
2083   EL_CHAR('V'),
2084   EL_CHAR('W'),
2085
2086   EL_CHAR('X'),
2087   EL_CHAR('Y'),
2088   EL_CHAR('Z'),
2089   EL_CHAR('['),
2090
2091   EL_CHAR('\\'),
2092   EL_CHAR(']'),
2093   EL_CHAR('^'),
2094   EL_CHAR('_'),
2095
2096   EL_CHAR('©'),
2097   EL_CHAR('Ä'),
2098   EL_CHAR('Ö'),
2099   EL_CHAR('Ü'),
2100
2101   EL_CHAR('°'),
2102   EL_CHAR('®'),
2103   EL_CHAR(FONT_ASCII_CURSOR),
2104   EL_CHAR(' ')
2105 };
2106 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
2107
2108 static int editor_el_custom[] =
2109 {
2110   EL_CHAR('C'),
2111   EL_CHAR('U'),
2112   EL_CHAR('S'),
2113   EL_CHAR('-'),
2114
2115   EL_CHAR('T'),
2116   EL_CHAR('O'),
2117   EL_CHAR('M'),
2118   EL_CHAR(' '),
2119
2120   EL_CHAR('E'),
2121   EL_CHAR('L'),
2122   EL_CHAR('E'),
2123   EL_CHAR('M'),
2124
2125   EL_CHAR('E'),
2126   EL_CHAR('N'),
2127   EL_CHAR('T'),
2128   EL_CHAR('S'),
2129
2130   EL_CUSTOM_START + 0,
2131   EL_CUSTOM_START + 1,
2132   EL_CUSTOM_START + 2,
2133   EL_CUSTOM_START + 3,
2134
2135   EL_CUSTOM_START + 4,
2136   EL_CUSTOM_START + 5,
2137   EL_CUSTOM_START + 6,
2138   EL_CUSTOM_START + 7,
2139
2140   EL_CUSTOM_START + 8,
2141   EL_CUSTOM_START + 9,
2142   EL_CUSTOM_START + 10,
2143   EL_CUSTOM_START + 11,
2144
2145   EL_CUSTOM_START + 12,
2146   EL_CUSTOM_START + 13,
2147   EL_CUSTOM_START + 14,
2148   EL_CUSTOM_START + 15,
2149
2150   EL_CUSTOM_START + 16,
2151   EL_CUSTOM_START + 17,
2152   EL_CUSTOM_START + 18,
2153   EL_CUSTOM_START + 19,
2154
2155   EL_CUSTOM_START + 20,
2156   EL_CUSTOM_START + 21,
2157   EL_CUSTOM_START + 22,
2158   EL_CUSTOM_START + 23,
2159
2160   EL_CUSTOM_START + 24,
2161   EL_CUSTOM_START + 25,
2162   EL_CUSTOM_START + 26,
2163   EL_CUSTOM_START + 27,
2164
2165   EL_CUSTOM_START + 28,
2166   EL_CUSTOM_START + 29,
2167   EL_CUSTOM_START + 30,
2168   EL_CUSTOM_START + 31,
2169
2170   EL_CUSTOM_START + 32,
2171   EL_CUSTOM_START + 33,
2172   EL_CUSTOM_START + 34,
2173   EL_CUSTOM_START + 35,
2174
2175   EL_CUSTOM_START + 36,
2176   EL_CUSTOM_START + 37,
2177   EL_CUSTOM_START + 38,
2178   EL_CUSTOM_START + 39,
2179
2180   EL_CUSTOM_START + 40,
2181   EL_CUSTOM_START + 41,
2182   EL_CUSTOM_START + 42,
2183   EL_CUSTOM_START + 43,
2184
2185   EL_CUSTOM_START + 44,
2186   EL_CUSTOM_START + 45,
2187   EL_CUSTOM_START + 46,
2188   EL_CUSTOM_START + 47,
2189
2190   EL_CUSTOM_START + 48,
2191   EL_CUSTOM_START + 49,
2192   EL_CUSTOM_START + 50,
2193   EL_CUSTOM_START + 51,
2194
2195   EL_CUSTOM_START + 52,
2196   EL_CUSTOM_START + 53,
2197   EL_CUSTOM_START + 54,
2198   EL_CUSTOM_START + 55,
2199
2200   EL_CUSTOM_START + 56,
2201   EL_CUSTOM_START + 57,
2202   EL_CUSTOM_START + 58,
2203   EL_CUSTOM_START + 59,
2204
2205   EL_CUSTOM_START + 60,
2206   EL_CUSTOM_START + 61,
2207   EL_CUSTOM_START + 62,
2208   EL_CUSTOM_START + 63,
2209
2210   EL_CUSTOM_START + 64,
2211   EL_CUSTOM_START + 65,
2212   EL_CUSTOM_START + 66,
2213   EL_CUSTOM_START + 67,
2214
2215   EL_CUSTOM_START + 68,
2216   EL_CUSTOM_START + 69,
2217   EL_CUSTOM_START + 70,
2218   EL_CUSTOM_START + 71,
2219
2220   EL_CUSTOM_START + 72,
2221   EL_CUSTOM_START + 73,
2222   EL_CUSTOM_START + 74,
2223   EL_CUSTOM_START + 75,
2224
2225   EL_CUSTOM_START + 76,
2226   EL_CUSTOM_START + 77,
2227   EL_CUSTOM_START + 78,
2228   EL_CUSTOM_START + 79,
2229
2230   EL_CUSTOM_START + 80,
2231   EL_CUSTOM_START + 81,
2232   EL_CUSTOM_START + 82,
2233   EL_CUSTOM_START + 83,
2234
2235   EL_CUSTOM_START + 84,
2236   EL_CUSTOM_START + 85,
2237   EL_CUSTOM_START + 86,
2238   EL_CUSTOM_START + 87,
2239
2240   EL_CUSTOM_START + 88,
2241   EL_CUSTOM_START + 89,
2242   EL_CUSTOM_START + 90,
2243   EL_CUSTOM_START + 91,
2244
2245   EL_CUSTOM_START + 92,
2246   EL_CUSTOM_START + 93,
2247   EL_CUSTOM_START + 94,
2248   EL_CUSTOM_START + 95,
2249
2250   EL_CUSTOM_START + 96,
2251   EL_CUSTOM_START + 97,
2252   EL_CUSTOM_START + 98,
2253   EL_CUSTOM_START + 99,
2254
2255   EL_CUSTOM_START + 100,
2256   EL_CUSTOM_START + 101,
2257   EL_CUSTOM_START + 102,
2258   EL_CUSTOM_START + 103,
2259
2260   EL_CUSTOM_START + 104,
2261   EL_CUSTOM_START + 105,
2262   EL_CUSTOM_START + 106,
2263   EL_CUSTOM_START + 107,
2264
2265   EL_CUSTOM_START + 108,
2266   EL_CUSTOM_START + 109,
2267   EL_CUSTOM_START + 110,
2268   EL_CUSTOM_START + 111,
2269
2270   EL_CUSTOM_START + 112,
2271   EL_CUSTOM_START + 113,
2272   EL_CUSTOM_START + 114,
2273   EL_CUSTOM_START + 115,
2274
2275   EL_CUSTOM_START + 116,
2276   EL_CUSTOM_START + 117,
2277   EL_CUSTOM_START + 118,
2278   EL_CUSTOM_START + 119,
2279
2280   EL_CUSTOM_START + 120,
2281   EL_CUSTOM_START + 121,
2282   EL_CUSTOM_START + 122,
2283   EL_CUSTOM_START + 123,
2284
2285   EL_CUSTOM_START + 124,
2286   EL_CUSTOM_START + 125,
2287   EL_CUSTOM_START + 126,
2288   EL_CUSTOM_START + 127
2289 };
2290 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
2291
2292 static int *editor_elements = NULL;     /* dynamically allocated */
2293 static int num_editor_elements = 0;     /* dynamically determined */
2294
2295 static struct
2296 {
2297   boolean *setup_value;
2298   int *element_list;
2299   int *element_list_size;
2300
2301   boolean last_setup_value;
2302 }
2303 editor_elements_info[] =
2304 {
2305   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
2306     &num_editor_el_boulderdash                                          },
2307   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
2308     &num_editor_el_emerald_mine                                         },
2309   { &setup.editor.el_more,              editor_el_more,
2310     &num_editor_el_more                                                 },
2311   { &setup.editor.el_sokoban,           editor_el_sokoban,
2312     &num_editor_el_sokoban                                              },
2313   { &setup.editor.el_supaplex,          editor_el_supaplex,
2314     &num_editor_el_supaplex                                             },
2315   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
2316     &num_editor_el_diamond_caves                                        },
2317   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
2318     &num_editor_el_dx_boulderdash                                       },
2319   { &setup.editor.el_chars,             editor_el_chars,
2320     &num_editor_el_chars                                                },
2321   { &setup.editor.el_custom,            editor_el_custom,
2322     &num_editor_el_custom                                               },
2323   { NULL,                               NULL,
2324     NULL                                                                }
2325 };
2326
2327
2328 /*
2329   -----------------------------------------------------------------------------
2330   functions
2331   -----------------------------------------------------------------------------
2332 */
2333
2334 static void ReinitializeElementList()
2335 {
2336   int pos = 0;
2337   int i, j;
2338
2339   if (editor_elements != NULL)
2340     free(editor_elements);
2341
2342   num_editor_elements = 0;
2343
2344   /* determine size of element list */
2345   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2346     if (*editor_elements_info[i].setup_value)
2347       num_editor_elements += *editor_elements_info[i].element_list_size;
2348
2349   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
2350   {
2351     /* workaround: offer at least as many elements as element buttons exist */
2352     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
2353
2354     *editor_elements_info[list_nr].setup_value = TRUE;
2355     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
2356   }
2357
2358   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
2359
2360   /* fill element list */
2361   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2362     if (*editor_elements_info[i].setup_value)
2363       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
2364         editor_elements[pos++] = editor_elements_info[i].element_list[j];
2365 }
2366
2367 static void ReinitializeElementListButtons()
2368 {
2369   static boolean initialization_needed = TRUE;
2370   int i;
2371
2372   if (!initialization_needed)   /* check if editor element setup has changed */
2373     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2374       if (editor_elements_info[i].last_setup_value !=
2375           *editor_elements_info[i].setup_value)
2376         initialization_needed = TRUE;
2377
2378   if (!initialization_needed)
2379     return;
2380
2381   FreeLevelEditorGadgets();
2382   CreateLevelEditorGadgets();
2383
2384   /* store current setup values for next invocation of this function */
2385   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2386     editor_elements_info[i].last_setup_value =
2387       *editor_elements_info[i].setup_value;
2388
2389   initialization_needed = FALSE;
2390 }
2391
2392 static int getCounterGadgetWidth()
2393 {
2394   return (DXSIZE + getFontWidth(FONT_INPUT_1) - 2 * ED_GADGET_DISTANCE);
2395 }
2396
2397 static int getMaxInfoTextLength()
2398 {
2399   return (SXSIZE / getFontWidth(FONT_TEXT_2));
2400 }
2401
2402 static char *getElementInfoText(int element)
2403 {
2404   char *info_text = NULL;
2405
2406   if (element < NUM_FILE_ELEMENTS)
2407   {
2408     if (strlen(element_info[element].description) > 0)
2409       info_text = element_info[element].description;
2410     else if (element_info[element].custom_description != NULL)
2411       info_text = element_info[element].custom_description;
2412     else if (element_info[element].editor_description != NULL)
2413       info_text = element_info[element].editor_description;
2414   }
2415
2416   if (info_text == NULL)
2417   {
2418     info_text = "unknown";
2419
2420     Error(ERR_WARN, "no element description for element %d", element);
2421   }
2422
2423   return info_text;
2424 }
2425
2426 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
2427 {
2428   int x,y;
2429   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
2430   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
2431
2432   BlitBitmap(drawto, drawto,
2433              SX + (dx == -1 ? MINI_TILEX : 0),
2434              SY + (dy == -1 ? MINI_TILEY : 0),
2435              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
2436              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
2437              SX + (dx == +1 ? MINI_TILEX : 0),
2438              SY + (dy == +1 ? MINI_TILEY : 0));
2439   if (dx)
2440   {
2441     x = (dx == 1 ? 0 : ed_fieldx - 1);
2442     for(y=0; y<ed_fieldy; y++)
2443       DrawMiniElementOrWall(x, y, from_x, from_y);
2444   }
2445   else if (dy)
2446   {
2447     y = (dy == 1 ? 0 : ed_fieldy - 1);
2448     for(x=0; x<ed_fieldx; x++)
2449       DrawMiniElementOrWall(x, y, from_x, from_y);
2450   }
2451
2452   redraw_mask |= REDRAW_FIELD;
2453   BackToFront();
2454 }
2455
2456 static void CreateControlButtons()
2457 {
2458   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2459   struct GadgetInfo *gi;
2460   unsigned long event_mask;
2461   int i;
2462
2463   /* create toolbox buttons */
2464   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2465   {
2466     int id = i;
2467     int width, height;
2468     int gd_xoffset, gd_yoffset;
2469     int gd_x1, gd_x2, gd_y1, gd_y2;
2470     int button_type;
2471     int radio_button_nr;
2472     boolean checked;
2473
2474     if (id == GADGET_ID_SINGLE_ITEMS ||
2475         id == GADGET_ID_CONNECTED_ITEMS ||
2476         id == GADGET_ID_LINE ||
2477         id == GADGET_ID_ARC ||
2478         id == GADGET_ID_TEXT ||
2479         id == GADGET_ID_RECTANGLE ||
2480         id == GADGET_ID_FILLED_BOX ||
2481         id == GADGET_ID_FLOOD_FILL ||
2482         id == GADGET_ID_GRAB_BRUSH ||
2483         id == GADGET_ID_PICK_ELEMENT)
2484     {
2485       button_type = GD_TYPE_RADIO_BUTTON;
2486       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
2487       checked = (id == drawing_function ? TRUE : FALSE);
2488       event_mask = GD_EVENT_PRESSED;
2489     }
2490     else
2491     {
2492       button_type = GD_TYPE_NORMAL_BUTTON;
2493       radio_button_nr = RADIO_NR_NONE;
2494       checked = FALSE;
2495
2496       if (id == GADGET_ID_WRAP_LEFT ||
2497           id == GADGET_ID_WRAP_RIGHT ||
2498           id == GADGET_ID_WRAP_UP ||
2499           id == GADGET_ID_WRAP_DOWN)
2500         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2501       else
2502         event_mask = GD_EVENT_RELEASED;
2503     }
2504
2505     if (id < ED_NUM_CTRL1_BUTTONS)
2506     {
2507       int x = i % ED_CTRL1_BUTTONS_HORIZ;
2508       int y = i / ED_CTRL1_BUTTONS_HORIZ;
2509
2510       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
2511       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
2512       width = ED_CTRL1_BUTTON_XSIZE;
2513       height = ED_CTRL1_BUTTON_YSIZE;
2514     }
2515     else
2516     {
2517       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
2518       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
2519
2520       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
2521       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
2522       width = ED_CTRL2_BUTTON_XSIZE;
2523       height = ED_CTRL2_BUTTON_YSIZE;
2524     }
2525
2526     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
2527     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
2528     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
2529     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
2530
2531     gi = CreateGadget(GDI_CUSTOM_ID, id,
2532                       GDI_CUSTOM_TYPE_ID, i,
2533                       GDI_INFO_TEXT, control_info[i].text,
2534                       GDI_X, EX + gd_xoffset,
2535                       GDI_Y, EY + gd_yoffset,
2536                       GDI_WIDTH, width,
2537                       GDI_HEIGHT, height,
2538                       GDI_TYPE, button_type,
2539                       GDI_STATE, GD_BUTTON_UNPRESSED,
2540                       GDI_RADIO_NR, radio_button_nr,
2541                       GDI_CHECKED, checked,
2542                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2543                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2544                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2545                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2546                       GDI_EVENT_MASK, event_mask,
2547                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2548                       GDI_CALLBACK_ACTION, HandleControlButtons,
2549                       GDI_END);
2550
2551     if (gi == NULL)
2552       Error(ERR_EXIT, "cannot create gadget");
2553
2554     level_editor_gadget[id] = gi;
2555   }
2556
2557   /* create buttons for scrolling of drawing area and element list */
2558   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
2559   {
2560     int id = scrollbutton_info[i].gadget_id;
2561     int x, y, width, height;
2562     int gd_x1, gd_x2, gd_y1, gd_y2;
2563
2564     x = scrollbutton_info[i].x;
2565     y = scrollbutton_info[i].y;
2566
2567     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2568
2569     if (id == GADGET_ID_SCROLL_LIST_UP ||
2570         id == GADGET_ID_SCROLL_LIST_DOWN)
2571     {
2572       x += DX;
2573       y += DY;
2574       width = ED_SCROLLBUTTON2_XSIZE;
2575       height = ED_SCROLLBUTTON2_YSIZE;
2576       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2577       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2578       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
2579       gd_y2 = gd_y1;
2580     }
2581     else
2582     {
2583       x += SX;
2584       y += SY;
2585       width = ED_SCROLLBUTTON_XSIZE;
2586       height = ED_SCROLLBUTTON_YSIZE;
2587       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2588       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2589       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2590       gd_y2 = gd_y1;
2591     }
2592
2593     gi = CreateGadget(GDI_CUSTOM_ID, id,
2594                       GDI_CUSTOM_TYPE_ID, i,
2595                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2596                       GDI_X, x,
2597                       GDI_Y, y,
2598                       GDI_WIDTH, width,
2599                       GDI_HEIGHT, height,
2600                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2601                       GDI_STATE, GD_BUTTON_UNPRESSED,
2602                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2603                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2604                       GDI_EVENT_MASK, event_mask,
2605                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2606                       GDI_CALLBACK_ACTION, HandleControlButtons,
2607                       GDI_END);
2608
2609     if (gi == NULL)
2610       Error(ERR_EXIT, "cannot create gadget");
2611
2612     level_editor_gadget[id] = gi;
2613   }
2614
2615   /* create buttons for element list */
2616   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2617   {
2618     Bitmap *deco_bitmap;
2619     int deco_x, deco_y, deco_xpos, deco_ypos;
2620     int gd_xoffset, gd_yoffset;
2621     int gd_x1, gd_x2, gd_y;
2622     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
2623     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
2624     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
2625     int element = editor_elements[i];
2626
2627     event_mask = GD_EVENT_RELEASED;
2628
2629     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
2630     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
2631
2632     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
2633     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
2634     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
2635
2636     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
2637     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
2638     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
2639
2640     gi = CreateGadget(GDI_CUSTOM_ID, id,
2641                       GDI_CUSTOM_TYPE_ID, i,
2642                       GDI_INFO_TEXT, getElementInfoText(element),
2643                       GDI_X, DX + gd_xoffset,
2644                       GDI_Y, DY + gd_yoffset,
2645                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
2646                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
2647                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2648                       GDI_STATE, GD_BUTTON_UNPRESSED,
2649                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2650                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2651                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2652                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2653                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2654                       GDI_DECORATION_SHIFTING, 1, 1,
2655                       GDI_EVENT_MASK, event_mask,
2656                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2657                       GDI_CALLBACK_ACTION, HandleControlButtons,
2658                       GDI_END);
2659
2660     if (gi == NULL)
2661       Error(ERR_EXIT, "cannot create gadget");
2662
2663     level_editor_gadget[id] = gi;
2664   }
2665 }
2666
2667 static void CreateCounterButtons()
2668 {
2669   int max_infotext_len = getMaxInfoTextLength();
2670   int i;
2671
2672   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
2673   {
2674     int j;
2675     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
2676     int ypos = SY + counterbutton_info[i].y;
2677     int xoffset = 0;
2678
2679     /* determine horizontal offset for leading counter text */
2680     if (counterbutton_info[i].text_left != NULL)
2681       xoffset = (getFontWidth(FONT_TEXT_1) *
2682                  strlen(counterbutton_info[i].text_left) +
2683                  ED_GADGET_TEXT_DISTANCE);
2684
2685     for (j=0; j<2; j++)
2686     {
2687       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2688       struct GadgetInfo *gi;
2689       int id = (j == 0 ?
2690                 counterbutton_info[i].gadget_id_down :
2691                 counterbutton_info[i].gadget_id_up);
2692       int gd_xoffset;
2693       int gd_x, gd_x1, gd_x2, gd_y;
2694       int x_size, y_size;
2695       unsigned long event_mask;
2696       char infotext[max_infotext_len + 1];
2697
2698       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2699
2700       if (i == ED_COUNTER_ID_SELECT_LEVEL)
2701       {
2702         int sid = (j == 0 ?
2703                    ED_SCROLLBUTTON_ID_AREA_LEFT :
2704                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
2705
2706         event_mask |= GD_EVENT_RELEASED;
2707
2708         if (j == 1)
2709           xpos += 2 * ED_GADGET_DISTANCE;
2710         ypos += ED_GADGET_DISTANCE;
2711
2712         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
2713         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2714         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
2715         x_size = ED_SCROLLBUTTON_XSIZE;
2716         y_size = ED_SCROLLBUTTON_YSIZE;
2717       }
2718       else
2719       {
2720         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
2721         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2722         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2723         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
2724         x_size = ED_BUTTON_COUNT_XSIZE;
2725         y_size = ED_BUTTON_COUNT_YSIZE;
2726       }
2727
2728       sprintf(infotext, "%s counter value by 1, 5 or 10",
2729               (j == 0 ? "decrease" : "increase"));
2730
2731       gi = CreateGadget(GDI_CUSTOM_ID, id,
2732                         GDI_CUSTOM_TYPE_ID, i,
2733                         GDI_INFO_TEXT, infotext,
2734                         GDI_X, xpos + xoffset,
2735                         GDI_Y, ypos,
2736                         GDI_WIDTH, x_size,
2737                         GDI_HEIGHT, y_size,
2738                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2739                         GDI_STATE, GD_BUTTON_UNPRESSED,
2740                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2741                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2742                         GDI_EVENT_MASK, event_mask,
2743                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2744                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2745                         GDI_END);
2746
2747       if (gi == NULL)
2748         Error(ERR_EXIT, "cannot create gadget");
2749
2750       level_editor_gadget[id] = gi;
2751       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
2752
2753       if (j == 0)
2754       {
2755         int font_type = FONT_INPUT_1;
2756         int font_type_active = FONT_INPUT_1_ACTIVE;
2757         int gd_width = ED_WIN_COUNT_XSIZE;
2758
2759         id = counterbutton_info[i].gadget_id_text;
2760         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2761
2762         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2763         {
2764           font_type = FONT_LEVEL_NUMBER;
2765           font_type_active = FONT_LEVEL_NUMBER;
2766
2767           xpos += 2 * ED_GADGET_DISTANCE;
2768           ypos -= ED_GADGET_DISTANCE;
2769
2770           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2771           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2772           gd_width = ED_WIN_COUNT2_XSIZE;
2773         }
2774         else
2775         {
2776           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2777           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2778         }
2779
2780         gi = CreateGadget(GDI_CUSTOM_ID, id,
2781                           GDI_CUSTOM_TYPE_ID, i,
2782                           GDI_INFO_TEXT, "enter counter value",
2783                           GDI_X, xpos + xoffset,
2784                           GDI_Y, ypos,
2785                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2786                           GDI_NUMBER_VALUE, 0,
2787                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2788                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2789                           GDI_TEXT_SIZE, 3,
2790                           GDI_TEXT_FONT, font_type,
2791                           GDI_TEXT_FONT_ACTIVE, font_type_active,
2792                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2793                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2794                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2795                           GDI_DESIGN_WIDTH, gd_width,
2796                           GDI_EVENT_MASK, event_mask,
2797                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2798                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2799                           GDI_END);
2800
2801         if (gi == NULL)
2802           Error(ERR_EXIT, "cannot create gadget");
2803
2804         level_editor_gadget[id] = gi;
2805         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
2806       }
2807     }
2808   }
2809 }
2810
2811 static void CreateDrawingAreas()
2812 {
2813   struct GadgetInfo *gi;
2814   unsigned long event_mask;
2815   int id;
2816   int i;
2817
2818   event_mask =
2819     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
2820     GD_EVENT_OFF_BORDERS;
2821
2822   /* one for the level drawing area ... */
2823   id = GADGET_ID_DRAWING_LEVEL;
2824   gi = CreateGadget(GDI_CUSTOM_ID, id,
2825                     GDI_X, SX,
2826                     GDI_Y, SY,
2827                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2828                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2829                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2830                     GDI_EVENT_MASK, event_mask,
2831                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2832                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2833                     GDI_END);
2834
2835   if (gi == NULL)
2836     Error(ERR_EXIT, "cannot create gadget");
2837
2838   level_editor_gadget[id] = gi;
2839
2840   /* ... up to eight areas for element content ... */
2841   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2842   {
2843     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
2844     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
2845
2846     id = GADGET_ID_ELEMENT_CONTENT_0 + i;
2847     gi = CreateGadget(GDI_CUSTOM_ID, id,
2848                       GDI_CUSTOM_TYPE_ID, i,
2849                       GDI_X, gx,
2850                       GDI_Y, gy,
2851                       GDI_WIDTH, 3 * MINI_TILEX,
2852                       GDI_HEIGHT, 3 * MINI_TILEY,
2853                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2854                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2855                       GDI_EVENT_MASK, event_mask,
2856                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2857                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2858                       GDI_END);
2859
2860     if (gi == NULL)
2861       Error(ERR_EXIT, "cannot create gadget");
2862
2863     level_editor_gadget[id] = gi;
2864   }
2865
2866   /* ... one for the amoeba content ... */
2867   id = GADGET_ID_AMOEBA_CONTENT;
2868   gi = CreateGadget(GDI_CUSTOM_ID, id,
2869                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2870                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2871                     GDI_WIDTH, MINI_TILEX,
2872                     GDI_HEIGHT, MINI_TILEY,
2873                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2874                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2875                     GDI_EVENT_MASK, event_mask,
2876                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2877                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2878                     GDI_END);
2879
2880   if (gi == NULL)
2881     Error(ERR_EXIT, "cannot create gadget");
2882
2883   level_editor_gadget[id] = gi;
2884
2885   /* ... one for each custom element optional graphic element ... */
2886   id = GADGET_ID_CUSTOM_GRAPHIC;
2887   gi = CreateGadget(GDI_CUSTOM_ID, id,
2888                     GDI_X, SX + ED_AREA_ELEM_CONTENT3_XPOS,
2889                     GDI_Y, SY + ED_AREA_ELEM_CONTENT3_YPOS,
2890                     GDI_WIDTH, MINI_TILEX,
2891                     GDI_HEIGHT, MINI_TILEY,
2892                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2893                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2894                     GDI_EVENT_MASK, event_mask,
2895                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2896                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2897                     GDI_END);
2898
2899   if (gi == NULL)
2900     Error(ERR_EXIT, "cannot create gadget");
2901
2902   level_editor_gadget[id] = gi;
2903
2904   /* ... one area for custom element explosion content ... */
2905   id = GADGET_ID_CUSTOM_CONTENT;
2906   gi = CreateGadget(GDI_CUSTOM_ID, id,
2907                     GDI_CUSTOM_TYPE_ID, i,
2908                     GDI_X, SX + ED_AREA_ELEM_CONTENT4_XPOS,
2909                     GDI_Y, SX + ED_AREA_ELEM_CONTENT4_YPOS,
2910                     GDI_WIDTH, 3 * MINI_TILEX,
2911                     GDI_HEIGHT, 3 * MINI_TILEY,
2912                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2913                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2914                     GDI_EVENT_MASK, event_mask,
2915                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2916                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2917                     GDI_END);
2918
2919   if (gi == NULL)
2920     Error(ERR_EXIT, "cannot create gadget");
2921
2922   level_editor_gadget[id] = gi;
2923
2924   /* ... one for each custom element change target element ... */
2925   id = GADGET_ID_CUSTOM_CHANGE_TARGET;
2926   gi = CreateGadget(GDI_CUSTOM_ID, id,
2927                     GDI_X, SX + ED_AREA_ELEM_CONTENT2_XPOS,
2928                     GDI_Y, SY + ED_AREA_ELEM_CONTENT2_YPOS,
2929                     GDI_WIDTH, MINI_TILEX,
2930                     GDI_HEIGHT, MINI_TILEY,
2931                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2932                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2933                     GDI_EVENT_MASK, event_mask,
2934                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2935                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2936                     GDI_END);
2937
2938   if (gi == NULL)
2939     Error(ERR_EXIT, "cannot create gadget");
2940
2941   level_editor_gadget[id] = gi;
2942
2943   /* ... one area for extended custom element change target content ... */
2944   id = GADGET_ID_CUSTOM_CHANGE_CONTENT;
2945   gi = CreateGadget(GDI_CUSTOM_ID, id,
2946                     GDI_CUSTOM_TYPE_ID, i,
2947                     GDI_X, SX + ED_AREA_ELEM_CONTENT6_XPOS,
2948                     GDI_Y, SX + ED_AREA_ELEM_CONTENT6_YPOS,
2949                     GDI_WIDTH, 3 * MINI_TILEX,
2950                     GDI_HEIGHT, 3 * MINI_TILEY,
2951                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2952                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2953                     GDI_EVENT_MASK, event_mask,
2954                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2955                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2956                     GDI_END);
2957
2958   if (gi == NULL)
2959     Error(ERR_EXIT, "cannot create gadget");
2960
2961   level_editor_gadget[id] = gi;
2962
2963   /* ... one for each custom element change trigger element ... */
2964   id = GADGET_ID_CUSTOM_CHANGE_TRIGGER;
2965   gi = CreateGadget(GDI_CUSTOM_ID, id,
2966                     GDI_X, SX + ED_AREA_ELEM_CONTENT5_XPOS,
2967                     GDI_Y, SY + ED_AREA_ELEM_CONTENT5_YPOS,
2968                     GDI_WIDTH, MINI_TILEX,
2969                     GDI_HEIGHT, MINI_TILEY,
2970                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2971                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2972                     GDI_EVENT_MASK, event_mask,
2973                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2974                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2975                     GDI_END);
2976
2977   if (gi == NULL)
2978     Error(ERR_EXIT, "cannot create gadget");
2979
2980   level_editor_gadget[id] = gi;
2981
2982   /* ... and one for random placement background restrictions */
2983   id = GADGET_ID_RANDOM_BACKGROUND;
2984   gi = CreateGadget(GDI_CUSTOM_ID, id,
2985                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2986                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2987                     GDI_WIDTH, MINI_TILEX,
2988                     GDI_HEIGHT, MINI_TILEY,
2989                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2990                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2991                     GDI_EVENT_MASK, event_mask,
2992                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2993                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2994                     GDI_END);
2995
2996   if (gi == NULL)
2997     Error(ERR_EXIT, "cannot create gadget");
2998
2999   level_editor_gadget[id] = gi;
3000 }
3001
3002 static void CreateTextInputGadgets()
3003 {
3004   int max_infotext_len = getMaxInfoTextLength();
3005   int i;
3006
3007   for (i=0; i<ED_NUM_TEXTINPUT; i++)
3008   {
3009     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3010     int gd_x, gd_y;
3011     struct GadgetInfo *gi;
3012     unsigned long event_mask;
3013     char infotext[MAX_OUTPUT_LINESIZE + 1];
3014     int id = textinput_info[i].gadget_id;
3015
3016     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3017
3018     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3019     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3020
3021     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
3022     infotext[max_infotext_len] = '\0';
3023
3024     gi = CreateGadget(GDI_CUSTOM_ID, id,
3025                       GDI_CUSTOM_TYPE_ID, i,
3026                       GDI_INFO_TEXT, infotext,
3027                       GDI_X, SX + textinput_info[i].x,
3028                       GDI_Y, SY + textinput_info[i].y,
3029                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
3030                       GDI_TEXT_VALUE, textinput_info[i].value,
3031                       GDI_TEXT_SIZE, textinput_info[i].size,
3032                       GDI_TEXT_FONT, FONT_INPUT_1,
3033                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3034                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3035                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3036                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3037                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3038                       GDI_EVENT_MASK, event_mask,
3039                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3040                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
3041                       GDI_END);
3042
3043     if (gi == NULL)
3044       Error(ERR_EXIT, "cannot create gadget");
3045
3046     level_editor_gadget[id] = gi;
3047   }
3048 }
3049
3050 static void CreateSelectboxGadgets()
3051 {
3052   int max_infotext_len = getMaxInfoTextLength();
3053   int i, j;
3054
3055   for (i=0; i<ED_NUM_SELECTBOX; i++)
3056   {
3057     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3058     int gd_x, gd_y;
3059     int xoffset = 0;
3060     struct GadgetInfo *gi;
3061     unsigned long event_mask;
3062     char infotext[MAX_OUTPUT_LINESIZE + 1];
3063     int id = selectbox_info[i].gadget_id;
3064
3065     if (selectbox_info[i].size == -1)   /* dynamically determine size */
3066     {
3067       /* (we cannot use -1 for uninitialized values if we directly compare
3068          with results from strlen(), because the '<' and '>' operation will
3069          implicitely cast -1 to an unsigned integer value!) */
3070       selectbox_info[i].size = 0;
3071
3072       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
3073         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
3074           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
3075
3076       selectbox_info[i].size++;         /* add one character empty space */
3077     }
3078
3079     event_mask = GD_EVENT_RELEASED |
3080       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3081
3082     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
3083     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
3084
3085     /* determine horizontal offset for leading selectbox text */
3086     if (selectbox_info[i].text_left != NULL)
3087       xoffset = (getFontWidth(FONT_TEXT_1) *
3088                  strlen(selectbox_info[i].text_left) +
3089                  ED_GADGET_TEXT_DISTANCE);
3090
3091     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
3092     infotext[max_infotext_len] = '\0';
3093
3094     gi = CreateGadget(GDI_CUSTOM_ID, id,
3095                       GDI_CUSTOM_TYPE_ID, i,
3096                       GDI_INFO_TEXT, infotext,
3097                       GDI_X, SX + selectbox_info[i].x + xoffset,
3098                       GDI_Y, SY + selectbox_info[i].y,
3099                       GDI_TYPE, GD_TYPE_SELECTBOX,
3100                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
3101                       GDI_TEXT_SIZE, selectbox_info[i].size,
3102                       GDI_TEXT_FONT, FONT_INPUT_1,
3103                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3104                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3105                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3106                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3107                       GDI_BORDER_SIZE_SELECTBUTTON, getFontWidth(FONT_INPUT_1),
3108                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3109                       GDI_EVENT_MASK, event_mask,
3110                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3111                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
3112                       GDI_END);
3113
3114     if (gi == NULL)
3115       Error(ERR_EXIT, "cannot create gadget");
3116
3117     level_editor_gadget[id] = gi;
3118   }
3119 }
3120
3121 static void CreateTextbuttonGadgets()
3122 {
3123   int max_infotext_len = getMaxInfoTextLength();
3124   int i;
3125
3126   for (i=0; i<ED_NUM_TEXTBUTTON; i++)
3127   {
3128     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3129     int gd_x1, gd_x2, gd_y1, gd_y2;
3130     struct GadgetInfo *gi;
3131     unsigned long event_mask;
3132     char infotext[MAX_OUTPUT_LINESIZE + 1];
3133     int id = textbutton_info[i].gadget_id;
3134
3135     if (textbutton_info[i].size == -1)  /* dynamically determine size */
3136       textbutton_info[i].size = strlen(textbutton_info[i].text);
3137
3138     event_mask = GD_EVENT_RELEASED;
3139
3140     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
3141     {
3142       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
3143       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
3144       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
3145       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
3146     }
3147     else
3148     {
3149       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
3150       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
3151       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
3152       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
3153     }
3154
3155     sprintf(infotext, "%s", textbutton_info[i].infotext);
3156     infotext[max_infotext_len] = '\0';
3157
3158     gi = CreateGadget(GDI_CUSTOM_ID, id,
3159                       GDI_CUSTOM_TYPE_ID, i,
3160                       GDI_INFO_TEXT, infotext,
3161                       GDI_X, SX + textbutton_info[i].x,
3162                       GDI_Y, SY + textbutton_info[i].y,
3163                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
3164                       GDI_TEXT_VALUE, textbutton_info[i].text,
3165                       GDI_TEXT_SIZE, textbutton_info[i].size,
3166                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
3167                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
3168                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3169                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3170                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3171                       GDI_BORDER_SIZE, ED_BORDER2_SIZE, ED_BORDER_SIZE,
3172                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3173                       GDI_DECORATION_SHIFTING, 1, 1,
3174                       GDI_EVENT_MASK, event_mask,
3175                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3176                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
3177                       GDI_END);
3178
3179     if (gi == NULL)
3180       Error(ERR_EXIT, "cannot create gadget");
3181
3182     level_editor_gadget[id] = gi;
3183   }
3184 }
3185
3186 static void CreateScrollbarGadgets()
3187 {
3188   int i;
3189
3190   for (i=0; i<ED_NUM_SCROLLBARS; i++)
3191   {
3192     int id = scrollbar_info[i].gadget_id;
3193     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3194     int gd_x1, gd_x2, gd_y1, gd_y2;
3195     struct GadgetInfo *gi;
3196     int items_max, items_visible, item_position;
3197     unsigned long event_mask;
3198
3199     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
3200     {
3201       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
3202       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
3203       item_position = 0;
3204     }
3205     else        /* drawing area scrollbars */
3206     {
3207       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
3208       {
3209         items_max = MAX(lev_fieldx + 2, ed_fieldx);
3210         items_visible = ed_fieldx;
3211         item_position = 0;
3212       }
3213       else
3214       {
3215         items_max = MAX(lev_fieldy + 2, ed_fieldy);
3216         items_visible = ed_fieldy;
3217         item_position = 0;
3218       }
3219     }
3220
3221     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
3222
3223     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
3224     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
3225                       scrollbar_info[i].height : scrollbar_info[i].width));
3226     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3227     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3228
3229     gi = CreateGadget(GDI_CUSTOM_ID, id,
3230                       GDI_CUSTOM_TYPE_ID, i,
3231                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
3232                       GDI_X, scrollbar_info[i].x,
3233                       GDI_Y, scrollbar_info[i].y,
3234                       GDI_WIDTH, scrollbar_info[i].width,
3235                       GDI_HEIGHT, scrollbar_info[i].height,
3236                       GDI_TYPE, scrollbar_info[i].type,
3237                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
3238                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3239                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
3240                       GDI_STATE, GD_BUTTON_UNPRESSED,
3241                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3242                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3243                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3244                       GDI_EVENT_MASK, event_mask,
3245                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3246                       GDI_CALLBACK_ACTION, HandleControlButtons,
3247                       GDI_END);
3248
3249     if (gi == NULL)
3250       Error(ERR_EXIT, "cannot create gadget");
3251
3252     level_editor_gadget[id] = gi;
3253   }
3254 }
3255
3256 static void CreateCheckbuttonGadgets()
3257 {
3258   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3259   struct GadgetInfo *gi;
3260   unsigned long event_mask;
3261   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3262   boolean checked;
3263   int i;
3264
3265   event_mask = GD_EVENT_PRESSED;
3266
3267   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3268   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3269   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3270   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3271   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3272
3273   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
3274   {
3275     int id = radiobutton_info[i].gadget_id;
3276
3277     checked =
3278       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3279
3280     gi = CreateGadget(GDI_CUSTOM_ID, id,
3281                       GDI_CUSTOM_TYPE_ID, i,
3282                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
3283                       GDI_X, SX + radiobutton_info[i].x,
3284                       GDI_Y, SY + radiobutton_info[i].y,
3285                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3286                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3287                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
3288                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
3289                       GDI_CHECKED, checked,
3290                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3291                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3292                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3293                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3294                       GDI_EVENT_MASK, event_mask,
3295                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3296                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
3297                       GDI_END);
3298
3299     if (gi == NULL)
3300       Error(ERR_EXIT, "cannot create gadget");
3301
3302     level_editor_gadget[id] = gi;
3303   }
3304
3305   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
3306   {
3307     int id = checkbutton_info[i].gadget_id;
3308
3309     if (id == GADGET_ID_STICK_ELEMENT)
3310       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
3311     else
3312       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
3313
3314     gi = CreateGadget(GDI_CUSTOM_ID, id,
3315                       GDI_CUSTOM_TYPE_ID, i,
3316                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
3317                       GDI_X, SX + checkbutton_info[i].x,
3318                       GDI_Y, SY + checkbutton_info[i].y,
3319                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3320                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3321                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
3322                       GDI_CHECKED, *checkbutton_info[i].value,
3323                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3324                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3325                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3326                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3327                       GDI_EVENT_MASK, event_mask,
3328                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3329                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
3330                       GDI_END);
3331
3332     if (gi == NULL)
3333       Error(ERR_EXIT, "cannot create gadget");
3334
3335     level_editor_gadget[id] = gi;
3336   }
3337 }
3338
3339 void CreateLevelEditorGadgets()
3340 {
3341   int old_game_status = game_status;
3342
3343   /* setting 'game_status' is needed to get the right fonts for the editor */
3344   game_status = GAME_MODE_EDITOR;
3345
3346   ReinitializeElementList();
3347
3348   CreateControlButtons();
3349   CreateCounterButtons();
3350   CreateDrawingAreas();
3351   CreateTextInputGadgets();
3352   CreateSelectboxGadgets();
3353   CreateTextbuttonGadgets();
3354   CreateScrollbarGadgets();
3355   CreateCheckbuttonGadgets();
3356
3357   game_status = old_game_status;
3358 }
3359
3360 void FreeLevelEditorGadgets()
3361 {
3362   int i;
3363
3364   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3365     FreeGadget(level_editor_gadget[i]);
3366 }
3367
3368 static void MapCounterButtons(int id)
3369 {
3370   char infotext[MAX_OUTPUT_LINESIZE + 1];
3371   int max_infotext_len = getMaxInfoTextLength();
3372   int xoffset_above = 0;
3373   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3374   int xoffset_left = 0;
3375   int yoffset_left = ED_BORDER_SIZE;
3376   int xoffset_right = getCounterGadgetWidth();
3377   int yoffset_right = ED_BORDER_SIZE;
3378   int x, y;
3379
3380   if (counterbutton_info[id].text_above)
3381   {
3382     x = SX + counterbutton_info[id].x + xoffset_above;
3383     y = SY + counterbutton_info[id].y + yoffset_above;
3384
3385     sprintf(infotext, "%s:", counterbutton_info[id].text_above);
3386     infotext[max_infotext_len] = '\0';
3387     DrawText(x, y, infotext, FONT_TEXT_1);
3388   }
3389
3390   if (counterbutton_info[id].text_left)
3391   {
3392     x = SX + counterbutton_info[id].x + xoffset_left;
3393     y = SY + counterbutton_info[id].y + yoffset_left;
3394
3395     sprintf(infotext, "%s", counterbutton_info[id].text_left);
3396     infotext[max_infotext_len] = '\0';
3397     DrawText(x, y, infotext, FONT_TEXT_1);
3398   }
3399
3400   if (counterbutton_info[id].text_right)
3401   {
3402     int gadget_id = counterbutton_info[id].gadget_id_down;
3403
3404     x = level_editor_gadget[gadget_id]->x + xoffset_right;
3405     y = SY + counterbutton_info[id].y + yoffset_right;
3406
3407     sprintf(infotext, "%s", counterbutton_info[id].text_right);
3408     infotext[max_infotext_len] = '\0';
3409     DrawText(x, y, infotext, FONT_TEXT_1);
3410   }
3411
3412   ModifyEditorCounter(id, *counterbutton_info[id].value);
3413
3414   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
3415   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
3416   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
3417 }
3418
3419 static void MapControlButtons()
3420 {
3421   int counter_id;
3422   int i;
3423
3424   /* map toolbox buttons */
3425   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
3426     MapGadget(level_editor_gadget[i]);
3427
3428   /* map buttons to select elements */
3429   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3430     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
3431   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
3432   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
3433   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
3434
3435   /* map buttons to select level */
3436   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
3437   ModifyEditorCounterLimits(counter_id,
3438                             leveldir_current->first_level,
3439                             leveldir_current->last_level);
3440   MapCounterButtons(counter_id);
3441 }
3442
3443 static void MapDrawingArea(int id)
3444 {
3445   MapGadget(level_editor_gadget[id]);
3446 }
3447
3448 static void MapTextInputGadget(int id)
3449 {
3450   char infotext[MAX_OUTPUT_LINESIZE + 1];
3451   int max_infotext_len = getMaxInfoTextLength();
3452   int xoffset_above = 0;
3453   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3454   int x = textinput_info[id].x + xoffset_above;
3455   int y = textinput_info[id].y + yoffset_above;
3456
3457   if (textinput_info[id].infotext)
3458   {
3459     sprintf(infotext, "%s:", textinput_info[id].infotext);
3460     infotext[max_infotext_len] = '\0';
3461     DrawTextF(x, y, FONT_TEXT_1, infotext);
3462   }
3463
3464   ModifyGadget(level_editor_gadget[textinput_info[id].gadget_id],
3465                GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
3466
3467   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
3468 }
3469
3470 static void MapSelectboxGadget(int id)
3471 {
3472   int xoffset_left = 0;
3473   int yoffset_left = ED_BORDER_SIZE;
3474   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
3475   int yoffset_right = ED_BORDER_SIZE;
3476   int x = selectbox_info[id].x + xoffset_left;
3477   int y = selectbox_info[id].y + yoffset_left;
3478
3479   DrawTextF(x, y, FONT_TEXT_1, selectbox_info[id].text_left);
3480
3481   if (selectbox_info[id].text_right)
3482   {
3483     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
3484
3485     x = gi->x + gi->width + xoffset_right;
3486     y = SY + selectbox_info[id].y + yoffset_right;
3487
3488     DrawText(x, y, selectbox_info[id].text_right, FONT_TEXT_1);
3489   }
3490
3491   ModifyEditorSelectbox(id, *selectbox_info[id].value);
3492
3493   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
3494 }
3495
3496 static void MapTextbuttonGadget(int id)
3497 {
3498   MapGadget(level_editor_gadget[textbutton_info[id].gadget_id]);
3499 }
3500
3501 static void MapRadiobuttonGadget(int id)
3502 {
3503   int xoffset_right = ED_XOFFSET_CHECKBOX;
3504   int yoffset_right = ED_BORDER_SIZE;
3505   int x = radiobutton_info[id].x + xoffset_right;
3506   int y = radiobutton_info[id].y + yoffset_right;
3507   boolean checked =
3508     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
3509
3510   DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[id].text_right);
3511   ModifyGadget(level_editor_gadget[radiobutton_info[id].gadget_id],
3512                GDI_CHECKED, checked, GDI_END);
3513
3514   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
3515 }
3516
3517 static void MapCheckbuttonGadget(int id)
3518 {
3519   int xoffset_right = ED_XOFFSET_CHECKBOX;
3520   int yoffset_right = ED_BORDER_SIZE;
3521   int x = checkbutton_info[id].x + xoffset_right;
3522   int y = checkbutton_info[id].y + yoffset_right;
3523
3524   DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[id].text_right);
3525   ModifyGadget(level_editor_gadget[checkbutton_info[id].gadget_id],
3526                GDI_CHECKED, *checkbutton_info[id].value,
3527                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
3528
3529   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
3530 }
3531
3532 static void MapMainDrawingArea()
3533 {
3534   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
3535   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
3536   int i;
3537
3538   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
3539   {
3540     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
3541           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
3542          no_horizontal_scrollbar) ||
3543         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
3544           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
3545          no_vertical_scrollbar))
3546       continue;
3547
3548     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
3549   }
3550
3551   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
3552   {
3553     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
3554         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
3555       continue;
3556
3557     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
3558   }
3559
3560   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
3561 }
3562
3563 static void UnmapDrawingArea(int id)
3564 {
3565   UnmapGadget(level_editor_gadget[id]);
3566 }
3567
3568 void UnmapLevelEditorWindowGadgets()
3569 {
3570   int i;
3571
3572   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3573     if (level_editor_gadget[i]->x < SX + SXSIZE)
3574       UnmapGadget(level_editor_gadget[i]);
3575 }
3576
3577 void UnmapLevelEditorGadgets()
3578 {
3579   int i;
3580
3581   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3582     UnmapGadget(level_editor_gadget[i]);
3583 }
3584
3585 static void ResetUndoBuffer()
3586 {
3587   undo_buffer_position = -1;
3588   undo_buffer_steps = -1;
3589   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3590 }
3591
3592 static void DrawEditModeWindow()
3593 {
3594   ModifyEditorElementList();
3595   RedrawDrawingElements();
3596
3597   if (edit_mode == ED_MODE_INFO)
3598     DrawLevelInfoWindow();
3599   else if (edit_mode == ED_MODE_PROPERTIES)
3600     DrawPropertiesWindow();
3601   else  /* edit_mode == ED_MODE_DRAWING */
3602     DrawDrawingWindow();
3603 }
3604
3605 static boolean LevelChanged()
3606 {
3607   boolean level_changed = FALSE;
3608   int x, y;
3609
3610   for(y=0; y<lev_fieldy; y++)
3611     for(x=0; x<lev_fieldx; x++)
3612       if (Feld[x][y] != level.field[x][y])
3613         level_changed = TRUE;
3614
3615   return level_changed;
3616 }
3617
3618 static boolean LevelContainsPlayer()
3619 {
3620   boolean player_found = FALSE;
3621   int x, y;
3622
3623   for(y=0; y<lev_fieldy; y++)
3624     for(x=0; x<lev_fieldx; x++)
3625       if (Feld[x][y] == EL_PLAYER_1 ||
3626           Feld[x][y] == EL_SP_MURPHY)
3627         player_found = TRUE;
3628
3629   return player_found;
3630 }
3631
3632 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
3633                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
3634 {
3635   int x, y;
3636
3637   for(x=0; x<lev_fieldx; x++)
3638     for(y=0; y<lev_fieldy; y++)
3639       dst[x][y] = src[x][y];
3640 }
3641
3642 static void CopyCustomElementPropertiesToEditor(int element)
3643 {
3644   int i;
3645
3646   /* needed here to initialize combined element properties */
3647   InitElementPropertiesEngine(level.game_version);
3648
3649   custom_element = element_info[element];
3650
3651   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3652     custom_element_properties[i] = HAS_PROPERTY(element, i);
3653
3654   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3655     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
3656
3657   /* ---------- element settings: configure (custom elements) ------------- */
3658
3659   /* set accessible layer selectbox help value */
3660   custom_element.access_type =
3661     (IS_WALKABLE(element) ? EP_WALKABLE :
3662      IS_PASSABLE(element) ? EP_PASSABLE :
3663      custom_element.access_type);
3664   custom_element.access_layer =
3665     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
3666      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
3667      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
3668      custom_element.access_layer);
3669   custom_element_properties[EP_ACCESSIBLE] =
3670     (IS_ACCESSIBLE_OVER(element) ||
3671      IS_ACCESSIBLE_INSIDE(element) ||
3672      IS_ACCESSIBLE_UNDER(element));
3673
3674   /* set walk-to-object action selectbox help value */
3675   custom_element.walk_to_action =
3676     (IS_DIGGABLE(element) ? EP_DIGGABLE :
3677      IS_COLLECTIBLE(element) ? EP_COLLECTIBLE :
3678      IS_PUSHABLE(element) ? EP_PUSHABLE :
3679      custom_element.walk_to_action);
3680   custom_element_properties[EP_WALK_TO_OBJECT] =
3681     (IS_DIGGABLE(element) ||
3682      IS_COLLECTIBLE(element) ||
3683      IS_PUSHABLE(element));
3684
3685   /* set smash targets selectbox help value */
3686   custom_element.smash_targets =
3687     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
3688      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
3689      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
3690      custom_element.smash_targets);
3691   custom_element_properties[EP_CAN_SMASH] =
3692     (CAN_SMASH_EVERYTHING(element) ||
3693      CAN_SMASH_ENEMIES(element) ||
3694      CAN_SMASH_PLAYER(element));
3695
3696   /* set deadliness selectbox help value */
3697   custom_element.deadliness =
3698     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
3699      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
3700      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
3701      custom_element.deadliness);
3702   custom_element_properties[EP_DEADLY] =
3703     (DONT_TOUCH(element) ||
3704      DONT_COLLIDE_WITH(element) ||
3705      DONT_RUN_INTO(element));
3706
3707   /* set consistency selectbox help value */
3708   custom_element.consistency =
3709     (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
3710      CAN_EXPLODE(element) ? EP_CAN_EXPLODE :
3711      custom_element.consistency);
3712   custom_element_properties[EP_EXPLODE_RESULT] =
3713     (IS_INDESTRUCTIBLE(element) ||
3714      CAN_EXPLODE(element));
3715
3716   /* special case: sub-settings dependent from main setting */
3717   if (CAN_EXPLODE_BY_FIRE(element))
3718     custom_element.can_explode_by_fire = TRUE;
3719   if (CAN_EXPLODE_SMASHED(element))
3720     custom_element.can_explode_smashed = TRUE;
3721   if (CAN_EXPLODE_IMPACT(element))
3722     custom_element.can_explode_impact  = TRUE;
3723
3724   /* ---------- element settings: advanced (custom elements) --------------- */
3725
3726   /* set change by player selectbox help value */
3727   custom_element.change_player_action =
3728     (HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
3729      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
3730      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
3731      custom_element.change_player_action);
3732
3733   /* set change by collision selectbox help value */
3734   custom_element.change_collide_action =
3735     (HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
3736      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
3737      HAS_CHANGE_EVENT(element, CE_COLLISION) ? CE_COLLISION :
3738      custom_element.change_collide_action);
3739
3740   /* set change by other element action selectbox help value */
3741   custom_element.change_other_action =
3742     (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
3743      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
3744      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
3745      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
3746      HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
3747      HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
3748      HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
3749      custom_element.change_other_action);
3750 }
3751
3752 static void CopyCustomElementPropertiesToGame(int element)
3753 {
3754   int i;
3755   int access_type_and_layer;
3756
3757   if (level.use_custom_template)
3758   {
3759     if (Request("Copy and modify level tem- plate ?", REQ_ASK))
3760     {
3761       level.use_custom_template = FALSE;
3762       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
3763                    GDI_CHECKED, FALSE, GDI_END);
3764     }
3765     else
3766     {
3767       LoadLevelTemplate(-1);
3768
3769       DrawEditModeWindow();
3770     }
3771   }
3772
3773   element_info[element] = custom_element;
3774
3775   /* ---------- element settings: configure (custom elements) ------------- */
3776
3777   /* set accessible property from checkbox and selectbox */
3778   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
3779   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
3780   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
3781   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
3782   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
3783   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
3784   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
3785                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
3786                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
3787   custom_element_properties[access_type_and_layer] =
3788     custom_element_properties[EP_ACCESSIBLE];
3789
3790   /* set walk-to-object property from checkbox and selectbox */
3791   custom_element_properties[EP_DIGGABLE] = FALSE;
3792   custom_element_properties[EP_COLLECTIBLE] = FALSE;
3793   custom_element_properties[EP_PUSHABLE] = FALSE;
3794   custom_element_properties[custom_element.walk_to_action] =
3795     custom_element_properties[EP_WALK_TO_OBJECT];
3796
3797   /* set smash property from checkbox and selectbox */
3798   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
3799   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
3800   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
3801   custom_element_properties[custom_element.smash_targets] =
3802     custom_element_properties[EP_CAN_SMASH];
3803
3804   /* set deadliness property from checkbox and selectbox */
3805   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
3806   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
3807   custom_element_properties[EP_DONT_TOUCH] = FALSE;
3808   custom_element_properties[custom_element.deadliness] =
3809     custom_element_properties[EP_DEADLY];
3810
3811   /* set consistency property from checkbox and selectbox */
3812   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
3813   custom_element_properties[EP_CAN_EXPLODE] = FALSE;
3814   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
3815   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
3816   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
3817   custom_element_properties[custom_element.consistency] =
3818     custom_element_properties[EP_EXPLODE_RESULT];
3819
3820   /* special case: sub-settings dependent from main setting */
3821   if (custom_element_properties[EP_CAN_EXPLODE])
3822   {
3823     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
3824       custom_element.can_explode_by_fire;
3825     custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
3826       custom_element.can_explode_smashed;
3827     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
3828       custom_element.can_explode_impact;
3829   }
3830
3831   /* ---------- element settings: advanced (custom elements) --------------- */
3832
3833   /* set player change event from checkbox and selectbox */
3834   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
3835   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
3836   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
3837   custom_element_change_events[custom_element.change_player_action] =
3838     custom_element_change_events[CE_BY_PLAYER];
3839
3840   /* set collision change event from checkbox and selectbox */
3841   custom_element_change_events[CE_COLLISION] = FALSE;
3842   custom_element_change_events[CE_IMPACT] = FALSE;
3843   custom_element_change_events[CE_SMASHED] = FALSE;
3844   custom_element_change_events[custom_element.change_collide_action] =
3845     custom_element_change_events[CE_BY_COLLISION];
3846
3847   /* set other element action change event from checkbox and selectbox */
3848   custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
3849   custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
3850   custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
3851   custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
3852   custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
3853   custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
3854   custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
3855   custom_element_change_events[custom_element.change_other_action] =
3856     custom_element_change_events[CE_BY_OTHER];
3857
3858   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3859     SET_PROPERTY(element, i, custom_element_properties[i]);
3860
3861   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3862     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
3863
3864   /* copy change events also to special level editor variable */
3865   custom_element = element_info[element];
3866 }
3867
3868 void DrawLevelEd()
3869 {
3870   CloseDoor(DOOR_CLOSE_ALL);
3871   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
3872
3873   if (level_editor_test_game)
3874   {
3875     CopyPlayfield(level.field, Feld);
3876     CopyPlayfield(FieldBackup, level.field);
3877
3878     level_editor_test_game = FALSE;
3879   }
3880   else
3881   {
3882     edit_mode = ED_MODE_DRAWING;
3883     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
3884
3885     ResetUndoBuffer();
3886
3887     level_xpos = -1;
3888     level_ypos = -1;
3889   }
3890
3891   /* copy default editor door content to main double buffer */
3892   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3893              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
3894
3895 #if 0
3896   /* draw mouse button brush elements */
3897   RedrawDrawingElements();
3898 #endif
3899
3900   /* draw bigger door */
3901   DrawSpecialEditorDoor();
3902
3903   /* draw new control window */
3904   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3905              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
3906
3907   redraw_mask |= REDRAW_ALL;
3908
3909   ReinitializeElementListButtons();     /* only needed after setup changes */
3910 #if 0
3911   ModifyEditorElementList();            /* may be needed for custom elements */
3912 #endif
3913
3914   UnmapTapeButtons();
3915   MapControlButtons();
3916
3917   DrawEditModeWindow();
3918
3919   /* copy actual editor door content to door double buffer for OpenDoor() */
3920   BlitBitmap(drawto, bitmap_db_door,
3921              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
3922
3923   OpenDoor(DOOR_OPEN_1);
3924 }
3925
3926 static void AdjustDrawingAreaGadgets()
3927 {
3928   int ed_xsize = lev_fieldx + 2;
3929   int ed_ysize = lev_fieldy + 2;
3930   int max_ed_fieldx = MAX_ED_FIELDX;
3931   int max_ed_fieldy = MAX_ED_FIELDY;
3932   boolean horizontal_scrollbar_needed;
3933   boolean vertical_scrollbar_needed;
3934   int x, y, width, height;
3935   int xoffset, yoffset;
3936
3937   /* check if we need any scrollbars */
3938   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3939   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3940
3941   /* check if we have a smaller editor field because of scrollbars */
3942   if (horizontal_scrollbar_needed)
3943     max_ed_fieldy = MAX_ED_FIELDY - 1;
3944   if (vertical_scrollbar_needed)
3945     max_ed_fieldx = MAX_ED_FIELDX - 1;
3946
3947   /* check again if we now need more scrollbars because of less space */
3948   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3949   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3950
3951   /* check if editor field gets even smaller after adding new scrollbars */
3952   if (horizontal_scrollbar_needed)
3953     max_ed_fieldy = MAX_ED_FIELDY - 1;
3954   if (vertical_scrollbar_needed)
3955     max_ed_fieldx = MAX_ED_FIELDX - 1;
3956
3957   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
3958   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
3959
3960   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
3961                GDI_WIDTH, ed_fieldx * MINI_TILEX,
3962                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
3963                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
3964                GDI_END);
3965
3966   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
3967   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
3968
3969   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
3970   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
3971
3972   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
3973   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
3974
3975   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
3976   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
3977
3978   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3979                GDI_WIDTH, width,
3980                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
3981                GDI_END);
3982   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
3983                GDI_HEIGHT, height,
3984                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
3985                GDI_END);
3986 }
3987
3988 static void AdjustLevelScrollPosition()
3989 {
3990   if (level_xpos < -1)
3991     level_xpos = -1;
3992   if (level_xpos > lev_fieldx - ed_fieldx + 1)
3993     level_xpos = lev_fieldx - ed_fieldx + 1;
3994   if (lev_fieldx < ed_fieldx - 2)
3995     level_xpos = -1;
3996
3997   if (level_ypos < -1)
3998     level_ypos = -1;
3999   if (level_ypos > lev_fieldy - ed_fieldy + 1)
4000     level_ypos = lev_fieldy - ed_fieldy + 1;
4001   if (lev_fieldy < ed_fieldy - 2)
4002     level_ypos = -1;
4003 }
4004
4005 static void AdjustEditorScrollbar(int id)
4006 {
4007   struct GadgetInfo *gi = level_editor_gadget[id];
4008   int items_max, items_visible, item_position;
4009
4010   if (id == GADGET_ID_SCROLL_HORIZONTAL)
4011   {
4012     items_max = MAX(lev_fieldx + 2, ed_fieldx);
4013     items_visible = ed_fieldx;
4014     item_position = level_xpos + 1;
4015   }
4016   else
4017   {
4018     items_max = MAX(lev_fieldy + 2, ed_fieldy);
4019     items_visible = ed_fieldy;
4020     item_position = level_ypos + 1;
4021   }
4022
4023   if (item_position > items_max - items_visible)
4024     item_position = items_max - items_visible;
4025
4026   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
4027                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
4028 }
4029
4030 static void ModifyEditorCounter(int counter_id, int new_value)
4031 {
4032   int *counter_value = counterbutton_info[counter_id].value;
4033   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4034   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4035
4036   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
4037
4038   if (counter_value != NULL)
4039     *counter_value = gi->text.number_value;
4040 }
4041
4042 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
4043 {
4044   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4045   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4046
4047   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
4048 }
4049
4050 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
4051 {
4052   int gadget_id = selectbox_info[selectbox_id].gadget_id;
4053   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4054   int new_index_value = 0;
4055   int i;
4056
4057   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
4058     if (selectbox_info[selectbox_id].options[i].value == new_value)
4059       new_index_value = i;
4060
4061   *selectbox_info[selectbox_id].value =
4062     selectbox_info[selectbox_id].options[new_index_value].value;
4063
4064   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
4065 }
4066
4067 static void ModifyEditorElementList()
4068 {
4069   int i;
4070
4071   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4072   {
4073     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4074     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4075     struct GadgetDesign *gd = &gi->deco.design;
4076     int element = editor_elements[element_shift + i];
4077
4078     UnmapGadget(gi);
4079     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
4080     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4081     MapGadget(gi);
4082   }
4083 }
4084
4085 static void PickDrawingElement(int button, int element)
4086 {
4087   if (button < 1 || button > 3)
4088     return;
4089
4090   if (button == 1)
4091   {
4092     new_element1 = element;
4093     DrawMiniGraphicExt(drawto,
4094                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
4095                        el2edimg(new_element1));
4096   }
4097   else if (button == 2)
4098   {
4099     new_element2 = element;
4100     DrawMiniGraphicExt(drawto,
4101                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
4102                        el2edimg(new_element2));
4103   }
4104   else
4105   {
4106     new_element3 = element;
4107     DrawMiniGraphicExt(drawto,
4108                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
4109                        el2edimg(new_element3));
4110   }
4111
4112   redraw_mask |= REDRAW_DOOR_1;
4113 }
4114
4115 static void RedrawDrawingElements()
4116 {
4117   PickDrawingElement(1, new_element1);
4118   PickDrawingElement(2, new_element2);
4119   PickDrawingElement(3, new_element3);
4120 }
4121
4122 static void DrawDrawingWindow()
4123 {
4124   stick_element_properties_window = FALSE;
4125
4126   SetMainBackgroundImage(IMG_UNDEFINED);
4127   ClearWindow();
4128   UnmapLevelEditorWindowGadgets();
4129
4130   AdjustDrawingAreaGadgets();
4131   AdjustLevelScrollPosition();
4132   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
4133   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
4134
4135   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4136   MapMainDrawingArea();
4137 }
4138
4139 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
4140                               boolean input)
4141 {
4142   int border_graphic =
4143     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
4144   Bitmap *src_bitmap;
4145   int src_x, src_y;
4146   int num_mini_tilex = width / MINI_TILEX + 1;
4147   int num_mini_tiley = width / MINI_TILEY + 1;
4148   int x, y;
4149
4150   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
4151
4152   for (y=0; y < num_mini_tiley; y++)
4153     for (x=0; x < num_mini_tilex; x++)
4154       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
4155                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
4156                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
4157
4158   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
4159 }
4160
4161 static void DrawRandomPlacementBackgroundArea()
4162 {
4163   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
4164   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
4165   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
4166   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
4167
4168   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4169   DrawMiniElement(area_x, area_y, random_placement_background_element);
4170
4171   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
4172 }
4173
4174 static void DrawLevelInfoWindow()
4175 {
4176   int i;
4177
4178   stick_element_properties_window = FALSE;
4179
4180   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4181   ClearWindow();
4182   UnmapLevelEditorWindowGadgets();
4183
4184   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4185            "Level Settings", FONT_TITLE_1);
4186   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
4187            "Editor Settings", FONT_TITLE_1);
4188
4189   /* draw counter gadgets */
4190   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
4191     MapCounterButtons(i);
4192
4193   /* draw checkbutton gadgets */
4194   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
4195     MapCheckbuttonGadget(i);
4196
4197   /* draw radiobutton gadgets */
4198   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
4199     MapRadiobuttonGadget(i);
4200
4201   /* draw text input gadgets */
4202   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
4203     MapTextInputGadget(i);
4204
4205   /* draw drawing area */
4206   DrawRandomPlacementBackgroundArea();
4207 }
4208
4209 static void DrawAmoebaContentArea()
4210 {
4211   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
4212   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
4213   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
4214   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
4215
4216   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4217   DrawMiniElement(area_x, area_y, level.amoeba_content);
4218
4219   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
4220
4221   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
4222 }
4223
4224 static void DrawCustomGraphicElementArea()
4225 {
4226   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_GRAPHIC];
4227   int xpos = ED_AREA_ELEM_CONTENT3_XPOS;
4228   int ypos = ED_AREA_ELEM_CONTENT3_YPOS;
4229   int area_sx = SX + xpos;
4230   int area_sy = SY + ypos;
4231
4232   if (!IS_CUSTOM_ELEMENT(properties_element))
4233   {
4234     /* this should never happen */
4235     Error(ERR_WARN, "element %d is no custom element", properties_element);
4236
4237     return;
4238   }
4239
4240   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4241   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4242                      el2edimg(custom_element.gfx_element));
4243
4244   MapDrawingArea(GADGET_ID_CUSTOM_GRAPHIC);
4245 }
4246
4247 static void DrawCustomContentArea()
4248 {
4249   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CONTENT];
4250   int area_sx = SX + ED_AREA_ELEM_CONTENT4_XPOS;
4251   int area_sy = SY + ED_AREA_ELEM_CONTENT4_YPOS;
4252   int x, y;
4253
4254   if (!IS_CUSTOM_ELEMENT(properties_element))
4255   {
4256     /* this should never happen */
4257     Error(ERR_WARN, "element %d is no custom element", properties_element);
4258
4259     return;
4260   }
4261
4262   DrawElementBorder(area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4263
4264   for (y=0; y<3; y++)
4265     for (x=0; x<3; x++)
4266       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
4267                          el2edimg(custom_element.content[x][y]));
4268
4269   MapDrawingArea(GADGET_ID_CUSTOM_CONTENT);
4270 }
4271
4272 static void DrawCustomChangeTargetArea()
4273 {
4274   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TARGET];
4275   int xpos = ED_AREA_ELEM_CONTENT2_XPOS;
4276   int ypos = ED_AREA_ELEM_CONTENT2_YPOS;
4277   int area_sx = SX + xpos;
4278   int area_sy = SY + ypos;
4279
4280   if (!IS_CUSTOM_ELEMENT(properties_element))
4281   {
4282     /* this should never happen */
4283     Error(ERR_WARN, "element %d is no custom element", properties_element);
4284
4285     return;
4286   }
4287
4288   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4289   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4290                      el2edimg(custom_element.change.target_element));
4291
4292   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TARGET);
4293 }
4294
4295 static void DrawCustomChangeContentArea()
4296 {
4297   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_CONTENT];
4298   int area_sx = SX + ED_AREA_ELEM_CONTENT6_XPOS;
4299   int area_sy = SY + ED_AREA_ELEM_CONTENT6_YPOS;
4300   int x, y;
4301
4302   if (!IS_CUSTOM_ELEMENT(properties_element))
4303   {
4304     /* this should never happen */
4305     Error(ERR_WARN, "element %d is no custom element", properties_element);
4306
4307     return;
4308   }
4309
4310   DrawElementBorder(area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4311
4312   for (y=0; y<3; y++)
4313     for (x=0; x<3; x++)
4314       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
4315                          el2edimg(custom_element.change.content[x][y]));
4316
4317   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_CONTENT);
4318 }
4319
4320 static void DrawCustomChangeTriggerArea()
4321 {
4322   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TRIGGER];
4323   int xpos = ED_AREA_ELEM_CONTENT5_XPOS;
4324   int ypos = ED_AREA_ELEM_CONTENT5_YPOS;
4325   int area_sx = SX + xpos;
4326   int area_sy = SY + ypos;
4327
4328   if (!IS_CUSTOM_ELEMENT(properties_element))
4329   {
4330     /* this should never happen */
4331     Error(ERR_WARN, "element %d is no custom element", properties_element);
4332
4333     return;
4334   }
4335
4336   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4337   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4338                      el2edimg(custom_element.change.trigger_element));
4339
4340   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TRIGGER);
4341 }
4342
4343 static void DrawElementContentAreas()
4344 {
4345   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
4346   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
4347   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
4348   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
4349   int i, x, y;
4350
4351   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
4352     UnmapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
4353
4354   /* display counter to choose number of element content areas */
4355   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
4356
4357   /* delete content areas in case of reducing number of them */
4358   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
4359
4360   for (i=0; i<level.num_yamyam_contents; i++)
4361     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
4362                       area_sy + 6 * (i / 4) * MINI_TILEY,
4363                       3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4364
4365   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
4366            "Content", FONT_TEXT_1);
4367   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
4368            "when",    FONT_TEXT_1);
4369   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
4370            "smashed", FONT_TEXT_1);
4371
4372   for (i=0; i<level.num_yamyam_contents; i++)
4373   {
4374     for (y=0; y<3; y++)
4375       for (x=0; x<3; x++)
4376         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
4377                         level.yamyam_content[i][x][y]);
4378
4379     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
4380               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
4381               FONT_TEXT_1, "%d", i + 1);
4382   }
4383
4384   for (i=0; i<level.num_yamyam_contents; i++)
4385     MapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
4386 }
4387
4388 char *getElementDescriptionFilename(int element)
4389 {
4390   char *docs_dir = options.docs_directory;
4391   char *elements_subdir = "elements";
4392   static char *filename = NULL;
4393   char basename[MAX_FILENAME_LEN];
4394
4395   if (filename != NULL)
4396     free(filename);
4397
4398   /* 1st try: look for element description file for exactly this element */
4399   sprintf(basename, "%s.txt", element_info[element].token_name);
4400   filename = getPath3(docs_dir, elements_subdir, basename);
4401   if (fileExists(filename))
4402     return filename;
4403
4404   free(filename);
4405
4406   /* 2nd try: look for element description file for this element's class */
4407   sprintf(basename, "%s.txt", element_info[element].class_name);
4408   filename = getPath3(docs_dir, elements_subdir, basename);
4409   if (fileExists(filename))
4410     return filename;
4411
4412   return NULL;
4413 }
4414
4415 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
4416 {
4417   int font_height = getFontHeight(font_nr);
4418   int pad_x = ED_SETTINGS_XPOS(0);
4419   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4420   int sx = SX + pad_x;
4421   int sy = SY + pad_y;
4422   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
4423
4424   if (screen_line >= max_lines_per_screen)
4425     return FALSE;
4426
4427   DrawText(sx, sy + screen_line * font_height, text, font_nr);
4428
4429   return TRUE;
4430 }
4431
4432 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
4433 {
4434   int font_nr = FONT_TEXT_2;
4435   int font_width = getFontWidth(font_nr);
4436   int pad_x = ED_SETTINGS_XPOS(0);
4437   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
4438   char line[MAX_LINE_LEN];
4439   char buffer[max_chars_per_line + 1];
4440   int buffer_len;
4441   int lines_printed = 0;
4442   FILE *file;
4443
4444   if (filename == NULL)
4445     return 0;
4446
4447   if (!(file = fopen(filename, MODE_READ)))
4448     return 0;
4449
4450   buffer[0] = '\0';
4451   buffer_len = 0;
4452
4453   while(!feof(file))
4454   {
4455     char *line_ptr, *word_ptr;
4456     boolean last_line_was_empty = TRUE;
4457
4458     /* read next line of input file */
4459     if (!fgets(line, MAX_LINE_LEN, file))
4460       break;
4461
4462     /* skip comments (lines directly beginning with '#') */
4463     if (line[0] == '#')
4464       continue;
4465
4466     /* cut trailing newline from input line */
4467     for (line_ptr = line; *line_ptr; line_ptr++)
4468     {
4469       if (*line_ptr == '\n' || *line_ptr == '\r')
4470       {
4471         *line_ptr = '\0';
4472         break;
4473       }
4474     }
4475
4476     if (strlen(line) == 0)              /* special case: force empty line */
4477       strcpy(line, "\n");
4478
4479     word_ptr = line;
4480
4481     while (*word_ptr)
4482     {
4483       boolean print_buffer = FALSE;
4484       int word_len;
4485
4486       /* skip leading whitespaces */
4487       while (*word_ptr == ' ' || *word_ptr == '\t')
4488         word_ptr++;
4489
4490       line_ptr = word_ptr;
4491       word_len = 0;
4492
4493       /* look for end of next word */
4494       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
4495       {
4496         line_ptr++;
4497         word_len++;
4498       }
4499
4500       if (word_len == 0)
4501       {
4502         continue;
4503       }
4504       else if (*word_ptr == '\n')       /* special case: force empty line */
4505       {
4506         if (buffer_len == 0)
4507           word_ptr++;
4508
4509         /* prevent printing of multiple empty lines */
4510         if (buffer_len > 0 || !last_line_was_empty)
4511           print_buffer = TRUE;
4512       }
4513       else if (word_len < max_chars_per_line - buffer_len)
4514       {
4515         /* word fits into text buffer -- add word */
4516
4517         if (buffer_len > 0)
4518           buffer[buffer_len++] = ' ';
4519
4520         strncpy(&buffer[buffer_len], word_ptr, word_len);
4521         buffer_len += word_len;
4522         buffer[buffer_len] = '\0';
4523         word_ptr += word_len;
4524       }
4525       else if (buffer_len > 0)
4526       {
4527         /* not enough space left for word in text buffer -- print buffer */
4528
4529         print_buffer = TRUE;
4530       }
4531       else
4532       {
4533         /* word does not fit at all into empty text buffer -- cut word */
4534
4535         strncpy(buffer, word_ptr, max_chars_per_line);
4536         buffer[max_chars_per_line] = '\0';
4537         word_ptr += max_chars_per_line;
4538         print_buffer = TRUE;
4539       }
4540
4541       if (print_buffer)
4542       {
4543         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4544           return lines_printed;
4545
4546         last_line_was_empty = (buffer_len == 0);
4547         lines_printed++;
4548
4549         buffer[0] = '\0';
4550         buffer_len = 0;
4551         print_buffer = FALSE;
4552       }
4553     }
4554   }
4555
4556   fclose(file);
4557
4558   if (buffer_len > 0)
4559     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4560       lines_printed++;
4561
4562   return lines_printed;
4563 }
4564
4565 static void DrawPropertiesTabulatorGadgets()
4566 {
4567   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
4568   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
4569   int gd_x = gd->x + gd_gi->border.width / 2;
4570   int gd_y = gd->y + gd_gi->height - 1;
4571   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
4572   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
4573   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
4574   int i;
4575
4576   /* draw additional "advanced" tabulator for custom elements */
4577   if (IS_CUSTOM_ELEMENT(properties_element))
4578     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
4579
4580   for (i=id_first; i <= id_last; i++)
4581   {
4582     int gadget_id = textbutton_info[i].gadget_id;
4583     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4584     boolean active = (i != edit_mode_properties);
4585
4586     /* draw background line below tabulator button */
4587     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
4588
4589     /* draw solid line below inactive tabulator buttons */
4590     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
4591       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
4592
4593     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
4594     MapTextbuttonGadget(i);
4595   }
4596
4597   /* draw little border line below tabulator buttons */
4598   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
4599     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
4600                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
4601                   ED_GADGET_DISTANCE, tab_color);
4602 }
4603
4604 static void DrawPropertiesInfo()
4605 {
4606   static struct
4607   {
4608     int value;
4609     char *text;
4610   }
4611   properties[] =
4612   {
4613     /* configurable properties */
4614     { EP_INDESTRUCTIBLE,        "- undestructible"                      },
4615     { EP_SLIPPERY,              "- slippery for falling objects"        },
4616     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
4617
4618     { EP_DIGGABLE,              "- diggable"                            },
4619     { EP_COLLECTIBLE,           "- collectible"                         },
4620     { EP_PUSHABLE,              "- pushable"                            },
4621
4622     { EP_CAN_MOVE,              "- can move"                            },
4623     { EP_CAN_FALL,              "- can fall"                            },
4624 #if 0
4625     { EP_CAN_SMASH,             "- can smash"                           },
4626 #endif
4627     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
4628     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
4629     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
4630     { EP_CAN_EXPLODE,           "- can explode"                         },
4631     { EP_CAN_EXPLODE_BY_FIRE,   "  - by fire or explosions"             },
4632     { EP_CAN_EXPLODE_SMASHED,   "  - when smashed"                      },
4633     { EP_CAN_EXPLODE_IMPACT,    "  - on impact"                         },
4634
4635     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
4636     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
4637     { EP_DONT_TOUCH,            "- deadly when touching"                },
4638
4639     { EP_WALKABLE_OVER,         "- player can walk over it"             },
4640     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
4641     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
4642     { EP_PASSABLE_OVER,         "- player can pass over it"             },
4643     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
4644     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
4645
4646     /* pre-defined properties */
4647     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
4648     { EP_HAS_CONTENT,           "- can contain other elements"          },
4649
4650     { -1,                       NULL                                    }
4651   };
4652   char *filename = getElementDescriptionFilename(properties_element);
4653   char *percentage_text = "In this level:";
4654   char *properties_text = "Standard properties:";
4655   float percentage;
4656   int num_elements_in_level;
4657   int num_standard_properties = 0;
4658   int font1_nr = FONT_TEXT_1;
4659   int font2_nr = FONT_TEXT_2;
4660   int font1_width = getFontWidth(font1_nr);
4661   int font2_height = getFontHeight(font2_nr);
4662   int pad_x = ED_SETTINGS_XPOS(0);
4663   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4664   int screen_line = 0;
4665   int i, x, y;
4666
4667   /* ----- print number of elements / percentage of this element in level */
4668
4669   num_elements_in_level = 0;
4670   for (y=0; y<lev_fieldy; y++)
4671     for (x=0; x<lev_fieldx; x++)
4672       if (Feld[x][y] == properties_element)
4673         num_elements_in_level++;
4674   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
4675
4676   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
4677             percentage_text);
4678   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
4679             pad_y + screen_line++ * font2_height, font2_nr,
4680             "%d (%.2f%%)", num_elements_in_level, percentage);
4681
4682   screen_line++;
4683
4684   /* ----- print standard properties of this element */
4685
4686   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
4687             properties_text);
4688
4689   for (i=0; properties[i].value != -1; i++)
4690   {
4691     if (!HAS_PROPERTY(properties_element, properties[i].value))
4692       continue;
4693
4694     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
4695               properties[i].text);
4696     num_standard_properties++;
4697   }
4698
4699   if (num_standard_properties == 0)
4700     DrawTextF(pad_x + strlen(properties_text) * font1_width,
4701               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
4702
4703   screen_line++;
4704
4705   /* ----- print special description of this element */
4706
4707   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
4708   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
4709     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
4710 }
4711
4712 #define TEXT_COLLECTING         "Score for collecting"
4713 #define TEXT_SMASHING           "Score for smashing"
4714 #define TEXT_CRACKING           "Score for cracking"
4715 #define TEXT_SPEED              "Speed of amoeba growth"
4716 #define TEXT_DURATION           "Duration when activated"
4717
4718 static struct
4719 {
4720   int element;
4721   int *value;
4722   char *text;
4723 } elements_with_counter[] =
4724 {
4725   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
4726   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
4727   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4728   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4729   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4730   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4731   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
4732   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
4733   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
4734   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
4735   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
4736   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
4737   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
4738   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
4739   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
4740   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
4741   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
4742   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
4743   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4744   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4745   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4746   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4747   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4748   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4749   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4750   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4751   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4752   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4753   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4754   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
4755   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
4756   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
4757   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4758   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4759   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
4760   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
4761   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
4762   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4763   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4764   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4765   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4766   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
4767   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
4768   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
4769   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
4770   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
4771   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4772   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4773   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4774   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4775   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
4776   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
4777   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
4778   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
4779   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
4780   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
4781   { -1,                 NULL,                           NULL            }
4782 };
4783
4784 static boolean checkPropertiesConfig()
4785 {
4786   int i;
4787
4788   if (IS_GEM(properties_element) ||
4789       IS_CUSTOM_ELEMENT(properties_element) ||
4790       HAS_CONTENT(properties_element))
4791     return TRUE;
4792   else
4793     for (i=0; elements_with_counter[i].element != -1; i++)
4794       if (elements_with_counter[i].element == properties_element)
4795         return TRUE;
4796
4797   return FALSE;
4798 }
4799
4800 static void DrawPropertiesConfig()
4801 {
4802   int i;
4803
4804   if (!checkPropertiesConfig())
4805   {
4806     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
4807
4808     return;
4809   }
4810
4811   /* check if there are elements where a score can be chosen for */
4812   for (i=0; elements_with_counter[i].element != -1; i++)
4813   {
4814     if (elements_with_counter[i].element == properties_element)
4815     {
4816       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
4817
4818       counterbutton_info[counter_id].value = elements_with_counter[i].value;
4819       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
4820       MapCounterButtons(counter_id);
4821
4822       break;
4823     }
4824   }
4825
4826   if (HAS_CONTENT(properties_element))
4827   {
4828     /* draw stickybutton gadget */
4829     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4830     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
4831     MapCheckbuttonGadget(i);
4832
4833     if (IS_AMOEBOID(properties_element))
4834       DrawAmoebaContentArea();
4835     else
4836       DrawElementContentAreas();
4837   }
4838
4839   if (IS_GEM(properties_element))
4840     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
4841
4842   if (IS_CUSTOM_ELEMENT(properties_element))
4843   {
4844     /* draw stickybutton gadget */
4845     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4846     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4847     MapCheckbuttonGadget(i);
4848
4849     /* draw checkbutton gadgets */
4850     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
4851          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
4852       MapCheckbuttonGadget(i);
4853
4854     /* draw counter gadgets */
4855     for (i=ED_COUNTER_ID_CUSTOM_FIRST; i<=ED_COUNTER_ID_CUSTOM_LAST; i++)
4856       MapCounterButtons(i);
4857
4858     /* draw selectbox gadgets */
4859     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
4860       MapSelectboxGadget(i);
4861
4862     /* draw drawing area gadgets */
4863     DrawCustomContentArea();
4864
4865     /* draw text input gadgets */
4866     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
4867   }
4868 }
4869
4870 static void DrawPropertiesAdvancedDrawingAreas()
4871 {
4872   DrawCustomGraphicElementArea();
4873   DrawCustomChangeTargetArea();
4874   DrawCustomChangeTriggerArea();
4875   DrawCustomChangeContentArea();
4876
4877   redraw_mask |= REDRAW_FIELD;
4878 }
4879
4880 static void DrawPropertiesAdvanced()
4881 {
4882   int i;
4883
4884   /* draw stickybutton gadget */
4885   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4886   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4887   MapCheckbuttonGadget(i);
4888
4889   /* draw checkbutton gadgets */
4890   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
4891        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
4892     MapCheckbuttonGadget(i);
4893
4894   /* draw counter gadgets */
4895   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
4896     MapCounterButtons(i);
4897
4898   /* draw selectbox gadgets */
4899   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
4900     MapSelectboxGadget(i);
4901
4902   /* draw textbutton gadgets */
4903   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
4904
4905   /* draw drawing area gadgets */
4906   DrawPropertiesAdvancedDrawingAreas();
4907 }
4908
4909 static void DrawElementName(int x, int y, int element)
4910 {
4911   char *element_name = getElementInfoText(element);
4912   int font_nr = FONT_TEXT_1;
4913   int font_width = getFontWidth(font_nr);
4914   int font_height = getFontHeight(font_nr);
4915   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
4916   int max_chars_per_line = max_text_width / font_width;
4917   char buffer[max_chars_per_line + 1];
4918
4919   if (strlen(element_name) <= max_chars_per_line)
4920     DrawTextF(x, y, font_nr, element_name);
4921   else
4922   {
4923     int next_pos = max_chars_per_line;
4924
4925     strncpy(buffer, element_name, max_chars_per_line);
4926     buffer[max_chars_per_line] = '\0';
4927
4928     if (element_name[max_chars_per_line] == ' ')
4929       next_pos++;
4930     else
4931     {
4932       int i;
4933
4934       for (i = max_chars_per_line - 1; i >= 0; i--)
4935         if (buffer[i] == ' ')
4936           break;
4937
4938       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
4939       {
4940         buffer[i] = '\0';
4941         next_pos = i + 1;
4942       }
4943     }
4944
4945     DrawTextF(x, y - font_height / 2, font_nr, buffer);
4946
4947     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
4948     buffer[max_chars_per_line] = '\0';
4949
4950     DrawTextF(x, y + font_height / 2, font_nr, buffer);
4951   }
4952 }
4953
4954 static void DrawPropertiesWindow()
4955 {
4956   int xstart = 2;
4957   int ystart = 4;
4958
4959   stick_element_properties_window = FALSE;
4960
4961   /* make sure that previous properties edit mode exists for this element */
4962   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
4963       !IS_CUSTOM_ELEMENT(properties_element))
4964     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
4965
4966   if (IS_CUSTOM_ELEMENT(properties_element))
4967     CopyCustomElementPropertiesToEditor(properties_element);
4968
4969   UnmapLevelEditorWindowGadgets();
4970
4971   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4972   ClearWindow();
4973
4974   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4975            "Element Settings", FONT_TITLE_1);
4976
4977   DrawElementBorder(SX + xstart * MINI_TILEX,
4978                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4979                     TILEX, TILEY, FALSE);
4980   DrawGraphicAnimationExt(drawto,
4981                           SX + xstart * MINI_TILEX,
4982                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4983                           el2img(properties_element), -1, NO_MASKING);
4984
4985   FrameCounter = 0;     /* restart animation frame counter */
4986
4987   DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
4988                   properties_element);
4989
4990   DrawPropertiesTabulatorGadgets();
4991
4992   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
4993     DrawPropertiesInfo();
4994   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
4995     DrawPropertiesConfig();
4996   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
4997     DrawPropertiesAdvanced();
4998 }
4999
5000 static void UpdateCustomElementGraphicGadgets()
5001 {
5002   ModifyEditorElementList();
5003   RedrawDrawingElements();
5004
5005   if (edit_mode == ED_MODE_PROPERTIES &&
5006       edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED)
5007     DrawPropertiesAdvancedDrawingAreas();
5008 }
5009
5010 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
5011 {
5012   int lx = sx + level_xpos;
5013   int ly = sy + level_ypos;
5014
5015   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
5016
5017   if (change_level)
5018     Feld[lx][ly] = element;
5019 }
5020
5021 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
5022                      int element, boolean change_level)
5023 {
5024   if (from_y == to_y)                   /* horizontal line */
5025   {
5026     int x;
5027     int y = from_y;
5028
5029     if (from_x > to_x)
5030       swap_numbers(&from_x, &to_x);
5031
5032     for (x=from_x; x<=to_x; x++)
5033       DrawLineElement(x, y, element, change_level);
5034   }
5035   else if (from_x == to_x)              /* vertical line */
5036   {
5037     int x = from_x;
5038     int y;
5039
5040     if (from_y > to_y)
5041       swap_numbers(&from_y, &to_y);
5042
5043     for (y=from_y; y<=to_y; y++)
5044       DrawLineElement(x, y, element, change_level);
5045   }
5046   else                                  /* diagonal line */
5047   {
5048     int len_x = ABS(to_x - from_x);
5049     int len_y = ABS(to_y - from_y);
5050     int x, y;
5051
5052     if (len_y < len_x)                  /* a < 1 */
5053     {
5054       float a = (float)len_y / (float)len_x;
5055
5056       if (from_x > to_x)
5057         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5058
5059       for (x=0; x<=len_x; x++)
5060       {
5061         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
5062         DrawLineElement(from_x + x, from_y + y, element, change_level);
5063       }
5064     }
5065     else                                /* a >= 1 */
5066     {
5067       float a = (float)len_x / (float)len_y;
5068
5069       if (from_y > to_y)
5070         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5071
5072       for (y=0; y<=len_y; y++)
5073       {
5074         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
5075         DrawLineElement(from_x + x, from_y + y, element, change_level);
5076       }
5077     }
5078   }
5079 }
5080
5081 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
5082                     int element, boolean change_level)
5083 {
5084   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
5085   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
5086   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
5087   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
5088 }
5089
5090 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
5091                           int element, boolean change_level)
5092 {
5093   int y;
5094
5095   if (from_y > to_y)
5096     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5097
5098   for (y=from_y; y<=to_y; y++)
5099     DrawLine(from_x, y, to_x, y, element, change_level);
5100 }
5101
5102 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
5103                        int element, boolean change_level)
5104 {
5105   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
5106   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
5107   int len_x = ABS(to_x - from_x);
5108   int len_y = ABS(to_y - from_y);
5109   int radius, x, y;
5110
5111   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
5112
5113   /* not optimal (some points get drawn twice) but simple,
5114      and fast enough for the few points we are drawing */
5115
5116   for (x=0; x<=radius; x++)
5117   {
5118     int sx, sy, lx, ly;
5119
5120     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
5121
5122     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5123     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5124     lx = sx + level_xpos;
5125     ly = sy + level_ypos;
5126
5127     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5128       DrawLineElement(sx, sy, element, change_level);
5129   }
5130
5131   for (y=0; y<=radius; y++)
5132   {
5133     int sx, sy, lx, ly;
5134
5135     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
5136
5137     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5138     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5139     lx = sx + level_xpos;
5140     ly = sy + level_ypos;
5141
5142     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5143       DrawLineElement(sx, sy, element, change_level);
5144   }
5145 }
5146
5147 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
5148                     int element, boolean change_level)
5149 {
5150   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5151   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5152
5153   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5154 }
5155
5156 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
5157 #if DRAW_CIRCLES_BUTTON_AVAILABLE
5158 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
5159                        int element, boolean change_level)
5160 {
5161   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5162   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5163   int mirror_to_x2 = from_x - (to_x2 - from_x);
5164   int mirror_to_y2 = from_y - (to_y2 - from_y);
5165
5166   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5167   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
5168   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
5169   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
5170 }
5171 #endif
5172
5173 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
5174 {
5175   int from_sx, from_sy;
5176   int to_sx, to_sy;
5177
5178   if (from_x > to_x)
5179     swap_numbers(&from_x, &to_x);
5180
5181   if (from_y > to_y)
5182     swap_numbers(&from_y, &to_y);
5183
5184   from_sx = SX + from_x * MINI_TILEX;
5185   from_sy = SY + from_y * MINI_TILEY;
5186   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
5187   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
5188
5189   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
5190   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
5191   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
5192   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
5193
5194   if (from_x == to_x && from_y == to_y)
5195     MarkTileDirty(from_x/2, from_y/2);
5196   else
5197     redraw_mask |= REDRAW_FIELD;
5198 }
5199
5200 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
5201                        int element, boolean change_level)
5202 {
5203   if (element == -1 || change_level)
5204     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
5205   else
5206     DrawAreaBorder(from_x, from_y, to_x, to_y);
5207 }
5208
5209 /* values for CopyBrushExt() */
5210 #define CB_AREA_TO_BRUSH        0
5211 #define CB_BRUSH_TO_CURSOR      1
5212 #define CB_BRUSH_TO_LEVEL       2
5213 #define CB_DELETE_OLD_CURSOR    3
5214
5215 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
5216                          int button, int mode)
5217 {
5218   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
5219   static int brush_width, brush_height;
5220   static int last_cursor_x = -1, last_cursor_y = -1;
5221   static boolean delete_old_brush;
5222   int new_element = BUTTON_ELEMENT(button);
5223   int x, y;
5224
5225   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
5226     return;
5227
5228   if (mode == CB_AREA_TO_BRUSH)
5229   {
5230     int from_lx, from_ly;
5231
5232     if (from_x > to_x)
5233       swap_numbers(&from_x, &to_x);
5234
5235     if (from_y > to_y)
5236       swap_numbers(&from_y, &to_y);
5237
5238     brush_width = to_x - from_x + 1;
5239     brush_height = to_y - from_y + 1;
5240
5241     from_lx = from_x + level_xpos;
5242     from_ly = from_y + level_ypos;
5243
5244     for (y=0; y<brush_height; y++)
5245     {
5246       for (x=0; x<brush_width; x++)
5247       {
5248         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
5249
5250         if (button != 1)
5251           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
5252       }
5253     }
5254
5255     if (button != 1)
5256       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5257
5258     delete_old_brush = FALSE;
5259   }
5260   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
5261            mode == CB_BRUSH_TO_LEVEL)
5262   {
5263     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
5264     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
5265     int cursor_from_x = cursor_x - brush_width / 2;
5266     int cursor_from_y = cursor_y - brush_height / 2;
5267     int border_from_x = cursor_x, border_from_y = cursor_y;
5268     int border_to_x = cursor_x, border_to_y = cursor_y;
5269
5270     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
5271       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5272
5273     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
5274         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
5275     {
5276       delete_old_brush = FALSE;
5277       return;
5278     }
5279
5280     for (y=0; y<brush_height; y++)
5281     {
5282       for (x=0; x<brush_width; x++)
5283       {
5284         int sx = cursor_from_x + x;
5285         int sy = cursor_from_y + y;
5286         int lx = sx + level_xpos;
5287         int ly = sy + level_ypos;
5288         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
5289         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
5290                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
5291                        brush_buffer[x][y] : new_element);
5292
5293         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5294         {
5295           if (sx < border_from_x)
5296             border_from_x = sx;
5297           else if (sx > border_to_x)
5298             border_to_x = sx;
5299           if (sy < border_from_y)
5300             border_from_y = sy;
5301           else if (sy > border_to_y)
5302             border_to_y = sy;
5303
5304           DrawLineElement(sx, sy, element, change_level);
5305         }
5306       }
5307     }
5308
5309     if (mode != CB_DELETE_OLD_CURSOR)
5310       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
5311
5312     last_cursor_x = cursor_x;
5313     last_cursor_y = cursor_y;
5314     delete_old_brush = TRUE;
5315   }
5316 }
5317
5318 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
5319                             int button)
5320 {
5321   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
5322 }
5323
5324 static void CopyBrushToLevel(int x, int y, int button)
5325 {
5326   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
5327 }
5328
5329 static void CopyBrushToCursor(int x, int y)
5330 {
5331   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
5332 }
5333
5334 static void DeleteBrushFromCursor()
5335 {
5336   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5337 }
5338
5339 static void FloodFill(int from_x, int from_y, int fill_element)
5340 {
5341   int i,x,y;
5342   int old_element;
5343   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
5344   static int safety = 0;
5345
5346   /* check if starting field still has the desired content */
5347   if (Feld[from_x][from_y] == fill_element)
5348     return;
5349
5350   safety++;
5351
5352   if (safety > lev_fieldx*lev_fieldy)
5353     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
5354
5355   old_element = Feld[from_x][from_y];
5356   Feld[from_x][from_y] = fill_element;
5357
5358   for(i=0;i<4;i++)
5359   {
5360     x = from_x + check[i][0];
5361     y = from_y + check[i][1];
5362
5363     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
5364       FloodFill(x, y, fill_element);
5365   }
5366
5367   safety--;
5368 }
5369
5370 /* values for DrawLevelText() modes */
5371 #define TEXT_INIT               0
5372 #define TEXT_SETCURSOR          1
5373 #define TEXT_WRITECHAR          2
5374 #define TEXT_BACKSPACE          3
5375 #define TEXT_NEWLINE            4
5376 #define TEXT_END                5
5377 #define TEXT_QUERY_TYPING       6
5378
5379 static int DrawLevelText(int sx, int sy, char letter, int mode)
5380 {
5381   static short delete_buffer[MAX_LEV_FIELDX];
5382   static int start_sx, start_sy;
5383   static int last_sx, last_sy;
5384   static boolean typing = FALSE;
5385   int letter_element = EL_CHAR_ASCII0 + letter;
5386   int lx = 0, ly = 0;
5387
5388   /* map lower case letters to upper case and convert special characters */
5389   if (letter >= 'a' && letter <= 'z')
5390     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
5391   else if (letter == 'ä' || letter == 'Ä')
5392     letter_element = EL_CHAR_AUMLAUT;
5393   else if (letter == 'ö' || letter == 'Ö')
5394     letter_element = EL_CHAR_OUMLAUT;
5395   else if (letter == 'ü' || letter == 'Ü')
5396     letter_element = EL_CHAR_UUMLAUT;
5397   else if (letter == '^')
5398     letter_element = EL_CHAR_COPYRIGHT;
5399   else
5400     letter_element = EL_CHAR_ASCII0 + letter;
5401
5402   if (mode != TEXT_INIT)
5403   {
5404     if (!typing)
5405       return FALSE;
5406
5407     if (mode != TEXT_SETCURSOR)
5408     {
5409       sx = last_sx;
5410       sy = last_sy;
5411     }
5412
5413     lx = last_sx + level_xpos;
5414     ly = last_sy + level_ypos;
5415   }
5416
5417   switch (mode)
5418   {
5419     case TEXT_INIT:
5420       if (typing)
5421         DrawLevelText(0, 0, 0, TEXT_END);
5422
5423       typing = TRUE;
5424       start_sx = last_sx = sx;
5425       start_sy = last_sy = sy;
5426       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
5427       break;
5428
5429     case TEXT_SETCURSOR:
5430       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
5431       DrawAreaBorder(sx, sy, sx, sy);
5432       last_sx = sx;
5433       last_sy = sy;
5434       break;
5435
5436     case TEXT_WRITECHAR:
5437       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
5438       {
5439         delete_buffer[sx - start_sx] = Feld[lx][ly];
5440         Feld[lx][ly] = letter_element;
5441
5442         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
5443           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
5444         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
5445           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5446         else
5447           DrawLevelText(0, 0, 0, TEXT_END);
5448       }
5449       break;
5450
5451     case TEXT_BACKSPACE:
5452       if (sx > start_sx)
5453       {
5454         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
5455         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
5456         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
5457       }
5458       break;
5459
5460     case TEXT_NEWLINE:
5461       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
5462         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5463       else
5464         DrawLevelText(0, 0, 0, TEXT_END);
5465       break;
5466
5467     case TEXT_END:
5468       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5469       DrawMiniElement(sx, sy, Feld[lx][ly]);
5470       typing = FALSE;
5471       break;
5472
5473     case TEXT_QUERY_TYPING:
5474       break;
5475
5476     default:
5477       break;
5478   }
5479
5480   return typing;
5481 }
5482
5483 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
5484                           int element, boolean change_level)
5485 {
5486   int lx = sx + level_xpos;
5487   int ly = sy + level_ypos;
5488
5489   if (element == -1)
5490     DrawMiniElement(sx, sy, Feld[lx][ly]);
5491   else
5492     DrawAreaBorder(sx, sy, sx, sy);
5493 }
5494
5495 static void CopyLevelToUndoBuffer(int mode)
5496 {
5497   static boolean accumulated_undo = FALSE;
5498   boolean new_undo_buffer_position = TRUE;
5499   int last_border_element;
5500   int x, y;
5501
5502   switch (mode)
5503   {
5504     case UNDO_IMMEDIATE:
5505       accumulated_undo = FALSE;
5506       break;
5507
5508     case UNDO_ACCUMULATE:
5509       if (accumulated_undo)
5510         new_undo_buffer_position = FALSE;
5511       accumulated_undo = TRUE;
5512       break;
5513
5514     default:
5515       break;
5516   }
5517
5518   if (new_undo_buffer_position)
5519   {
5520     /* new position in undo buffer ring */
5521     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
5522
5523     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
5524       undo_buffer_steps++;
5525   }
5526
5527   for(x=0; x<lev_fieldx; x++)
5528     for(y=0; y<lev_fieldy; y++)
5529       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
5530
5531   /* check if drawing operation forces change of border style */
5532   last_border_element = BorderElement;
5533   SetBorderElement();
5534   if (BorderElement != last_border_element)
5535     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5536 }
5537
5538 static void RandomPlacement(int new_element)
5539 {
5540   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5541   int num_free_positions;
5542   int num_percentage;
5543   int num_elements;
5544   int x, y;
5545
5546   /* determine number of free positions for the new elements */
5547   /* (maybe this statement should be formatted a bit more readable...) */
5548   num_free_positions = 0;
5549   for (x=0; x<lev_fieldx; x++)
5550     for (y=0; y<lev_fieldy; y++)
5551       if ((free_position[x][y] =
5552            ((random_placement_background_restricted &&
5553              Feld[x][y] == random_placement_background_element) ||
5554             (!random_placement_background_restricted &&
5555              Feld[x][y] != new_element))) == TRUE)
5556         num_free_positions++;
5557
5558   /* determine number of new elements to place there */
5559   num_percentage = num_free_positions * random_placement_value / 100;
5560   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
5561                   num_percentage : random_placement_value);
5562
5563   /* if not more free positions than elements to place, fill whole level */
5564   if (num_elements >= num_free_positions)
5565   {
5566     for (x=0; x<lev_fieldx; x++)
5567       for (y=0; y<lev_fieldy; y++)
5568         Feld[x][y] = new_element;
5569
5570     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5571     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5572     return;
5573   }
5574
5575   while (num_elements > 0)
5576   {
5577     x = RND(lev_fieldx);
5578     y = RND(lev_fieldy);
5579
5580     /* don't place element at the same position twice */
5581     if (free_position[x][y])
5582     {
5583       free_position[x][y] = FALSE;
5584       Feld[x][y] = new_element;
5585       num_elements--;
5586     }
5587   }
5588
5589   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5590   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5591 }
5592
5593 void WrapLevel(int dx, int dy)
5594 {
5595   int wrap_dx = lev_fieldx - dx;
5596   int wrap_dy = lev_fieldy - dy;
5597   int x, y;
5598
5599   for(x=0; x<lev_fieldx; x++)
5600     for(y=0; y<lev_fieldy; y++)
5601       FieldBackup[x][y] = Feld[x][y];
5602
5603   for(x=0; x<lev_fieldx; x++)
5604     for(y=0; y<lev_fieldy; y++)
5605       Feld[x][y] =
5606         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
5607
5608   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5609   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
5610 }
5611
5612 static void HandleDrawingAreas(struct GadgetInfo *gi)
5613 {
5614   static boolean started_inside_drawing_area = FALSE;
5615   int id = gi->custom_id;
5616   boolean button_press_event;
5617   boolean button_release_event;
5618   boolean inside_drawing_area = !gi->event.off_borders;
5619   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
5620   int actual_drawing_function;
5621   int button = gi->event.button;
5622   int new_element = BUTTON_ELEMENT(button);
5623   int sx = gi->event.x, sy = gi->event.y;
5624   int min_sx = 0, min_sy = 0;
5625   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
5626   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
5627   int lx = 0, ly = 0;
5628   int min_lx = 0, min_ly = 0;
5629   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
5630   int x, y;
5631
5632   /* handle info callback for each invocation of action callback */
5633   gi->callback_info(gi);
5634
5635   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
5636   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
5637
5638   /* make sure to stay inside drawing area boundaries */
5639   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
5640   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
5641
5642   if (draw_level)
5643   {
5644     /* get positions inside level field */
5645     lx = sx + level_xpos;
5646     ly = sy + level_ypos;
5647
5648     if (!IN_LEV_FIELD(lx, ly))
5649       inside_drawing_area = FALSE;
5650
5651     /* make sure to stay inside level field boundaries */
5652     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5653     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5654
5655     /* correct drawing area positions accordingly */
5656     sx = lx - level_xpos;
5657     sy = ly - level_ypos;
5658   }
5659
5660   if (button_press_event)
5661     started_inside_drawing_area = inside_drawing_area;
5662
5663   if (!started_inside_drawing_area)
5664     return;
5665
5666   if (!button && !button_release_event)
5667     return;
5668
5669   /* automatically switch to 'single item' drawing mode, if needed */
5670   actual_drawing_function =
5671     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
5672      drawing_function : GADGET_ID_SINGLE_ITEMS);
5673
5674   /* clicking into drawing area with pressed Control key picks element */
5675   if (GetKeyModState() & KMOD_Control)
5676     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
5677
5678   switch (actual_drawing_function)
5679   {
5680     case GADGET_ID_SINGLE_ITEMS:
5681       if (draw_level)
5682       {
5683         if (button_release_event)
5684         {
5685           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5686
5687           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
5688               !inside_drawing_area)
5689             DeleteBrushFromCursor();
5690         }
5691
5692         if (!button)
5693           break;
5694
5695         if (draw_with_brush)
5696         {
5697           if (!button_release_event)
5698             CopyBrushToLevel(sx, sy, button);
5699         }
5700         else if (new_element != Feld[lx][ly])
5701         {
5702           if (new_element == EL_PLAYER_1)
5703           {
5704             /* remove player at old position */
5705             for(y=0; y<lev_fieldy; y++)
5706             {
5707               for(x=0; x<lev_fieldx; x++)
5708               {
5709                 if (Feld[x][y] == EL_PLAYER_1)
5710                 {
5711                   Feld[x][y] = EL_EMPTY;
5712                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
5713                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
5714                     DrawMiniElement(x - level_xpos, y - level_ypos,
5715                                     EL_EMPTY);
5716                 }
5717               }
5718             }
5719           }
5720
5721           Feld[lx][ly] = new_element;
5722           DrawMiniElement(sx, sy, new_element);
5723         }
5724       }
5725       else
5726       {
5727         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
5728           DrawMiniGraphicExt(drawto,
5729                              gi->x + sx * MINI_TILEX,
5730                              gi->y + sy * MINI_TILEY,
5731                              el2edimg(new_element));
5732         else
5733           DrawGraphicExt(drawto,
5734                          gi->x + sx * TILEX,
5735                          gi->y + sy * TILEY,
5736                          el2img(new_element), 0);
5737
5738         if (id == GADGET_ID_AMOEBA_CONTENT)
5739           level.amoeba_content = new_element;
5740         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5741         {
5742           new_element = GFX_ELEMENT(new_element);
5743           custom_element.gfx_element = new_element;
5744
5745           CopyCustomElementPropertiesToGame(properties_element);
5746
5747           UpdateCustomElementGraphicGadgets();
5748
5749           FrameCounter = 0;     /* restart animation frame counter */
5750         }
5751         else if (id == GADGET_ID_CUSTOM_CONTENT)
5752         {
5753           custom_element.content[sx][sy] = new_element;
5754
5755           CopyCustomElementPropertiesToGame(properties_element);
5756         }
5757         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
5758         {
5759           custom_element.change.target_element = new_element;
5760
5761           CopyCustomElementPropertiesToGame(properties_element);
5762         }
5763         else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
5764         {
5765           custom_element.change.content[sx][sy] = new_element;
5766
5767           CopyCustomElementPropertiesToGame(properties_element);
5768         }
5769         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
5770         {
5771           custom_element.change.trigger_element = new_element;
5772
5773           CopyCustomElementPropertiesToGame(properties_element);
5774         }
5775         else if (id == GADGET_ID_RANDOM_BACKGROUND)
5776           random_placement_background_element = new_element;
5777         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5778                  id <= GADGET_ID_ELEMENT_CONTENT_7)
5779           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
5780             new_element;
5781       }
5782       break;
5783
5784     case GADGET_ID_CONNECTED_ITEMS:
5785       {
5786         static int last_sx = -1;
5787         static int last_sy = -1;
5788
5789         if (button_release_event)
5790           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5791
5792         if (button)
5793         {
5794           if (!button_press_event)
5795             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
5796
5797           last_sx = sx;
5798           last_sy = sy;
5799         }
5800       }
5801       break;
5802
5803     case GADGET_ID_LINE:
5804     case GADGET_ID_ARC:
5805     case GADGET_ID_RECTANGLE:
5806     case GADGET_ID_FILLED_BOX:
5807     case GADGET_ID_GRAB_BRUSH:
5808     case GADGET_ID_TEXT:
5809       {
5810         static int last_sx = -1;
5811         static int last_sy = -1;
5812         static int start_sx = -1;
5813         static int start_sy = -1;
5814         void (*draw_func)(int, int, int, int, int, boolean);
5815
5816         if (drawing_function == GADGET_ID_LINE)
5817           draw_func = DrawLine;
5818         else if (drawing_function == GADGET_ID_ARC)
5819           draw_func = DrawArc;
5820         else if (drawing_function == GADGET_ID_RECTANGLE)
5821           draw_func = DrawBox;
5822         else if (drawing_function == GADGET_ID_FILLED_BOX)
5823           draw_func = DrawFilledBox;
5824         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
5825           draw_func = SelectArea;
5826         else /* (drawing_function == GADGET_ID_TEXT) */
5827           draw_func = SetTextCursor;
5828
5829         if (button_press_event)
5830         {
5831           draw_func(sx, sy, sx, sy, new_element, FALSE);
5832           start_sx = last_sx = sx;
5833           start_sy = last_sy = sy;
5834
5835           if (drawing_function == GADGET_ID_TEXT)
5836             DrawLevelText(0, 0, 0, TEXT_END);
5837         }
5838         else if (button_release_event)
5839         {
5840           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
5841           if (drawing_function == GADGET_ID_GRAB_BRUSH)
5842           {
5843             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
5844             CopyBrushToCursor(sx, sy);
5845             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
5846                           MB_LEFTBUTTON);
5847             draw_with_brush = TRUE;
5848           }
5849           else if (drawing_function == GADGET_ID_TEXT)
5850             DrawLevelText(sx, sy, 0, TEXT_INIT);
5851           else
5852             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5853         }
5854         else if (last_sx != sx || last_sy != sy)
5855         {
5856           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
5857           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
5858           last_sx = sx;
5859           last_sy = sy;
5860         }
5861       }
5862       break;
5863
5864     case GADGET_ID_FLOOD_FILL:
5865       if (button_press_event && Feld[lx][ly] != new_element)
5866       {
5867         FloodFill(lx, ly, new_element);
5868         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5869         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5870       }
5871       break;
5872
5873     case GADGET_ID_PICK_ELEMENT:
5874       if (button_release_event)
5875         ClickOnGadget(level_editor_gadget[last_drawing_function],
5876                       MB_LEFTBUTTON);
5877       else if (draw_level)
5878         PickDrawingElement(button, Feld[lx][ly]);
5879       else if (id == GADGET_ID_AMOEBA_CONTENT)
5880         PickDrawingElement(button, level.amoeba_content);
5881       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5882         PickDrawingElement(button, custom_element.gfx_element);
5883       else if (id == GADGET_ID_CUSTOM_CONTENT)
5884         PickDrawingElement(button, custom_element.content[sx][sy]);
5885       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
5886         PickDrawingElement(button, custom_element.change.target_element);
5887       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
5888         PickDrawingElement(button, custom_element.change.content[sx][sy]);
5889       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
5890         PickDrawingElement(button, custom_element.change.trigger_element);
5891       else if (id == GADGET_ID_RANDOM_BACKGROUND)
5892         PickDrawingElement(button, random_placement_background_element);
5893       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5894                id <= GADGET_ID_ELEMENT_CONTENT_7)
5895       {
5896         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
5897
5898         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
5899       }
5900
5901       break;
5902
5903     default:
5904       break;
5905   }
5906 }
5907
5908 static void HandleCounterButtons(struct GadgetInfo *gi)
5909 {
5910   int gadget_id = gi->custom_id;
5911   int counter_id = gi->custom_type_id;
5912   int button = gi->event.button;
5913   int *counter_value = counterbutton_info[counter_id].value;
5914   int step = BUTTON_STEPSIZE(button) *
5915     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
5916
5917   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
5918   {
5919     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
5920     boolean released = (gi->event.type == GD_EVENT_RELEASED);
5921     boolean level_changed = LevelChanged();
5922
5923     if ((level_changed && pressed) || (!level_changed && released))
5924       return;
5925
5926     if (level_changed && !Request("Level has changed! Discard changes ?",
5927                                   REQ_ASK))
5928     {
5929       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5930         ModifyEditorCounter(counter_id, *counter_value);
5931       return;
5932     }
5933   }
5934
5935   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5936     *counter_value = gi->text.number_value;
5937   else
5938     ModifyEditorCounter(counter_id, *counter_value + step);
5939
5940   switch (counter_id)
5941   {
5942     case ED_COUNTER_ID_ELEMENT_CONTENT:
5943       DrawElementContentAreas();
5944       break;
5945
5946     case ED_COUNTER_ID_LEVEL_XSIZE:
5947     case ED_COUNTER_ID_LEVEL_YSIZE:
5948       lev_fieldx = level.fieldx;
5949       lev_fieldy = level.fieldy;
5950       break;
5951
5952     case ED_COUNTER_ID_SELECT_LEVEL:
5953       LoadLevel(level_nr);
5954       TapeErase();
5955       ResetUndoBuffer();
5956       DrawEditModeWindow();
5957       break;
5958
5959     default:
5960       break;
5961   }
5962
5963   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
5964        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
5965       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
5966        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
5967     CopyCustomElementPropertiesToGame(properties_element);
5968 }
5969
5970 static void HandleTextInputGadgets(struct GadgetInfo *gi)
5971 {
5972   int type_id = gi->custom_type_id;
5973
5974   strcpy(textinput_info[type_id].value, gi->text.value);
5975
5976   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
5977   {
5978     CopyCustomElementPropertiesToGame(properties_element);
5979
5980     ModifyEditorElementList();  /* update changed button info text */
5981   }
5982 }
5983
5984 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
5985 {
5986   int type_id = gi->custom_type_id;
5987
5988   *selectbox_info[type_id].value =
5989     selectbox_info[type_id].options[gi->selectbox.index].value;
5990
5991   if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
5992        type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
5993       (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
5994        type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
5995     CopyCustomElementPropertiesToGame(properties_element);
5996 }
5997
5998 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
5999 {
6000   int type_id = gi->custom_type_id;
6001
6002   if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
6003       type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
6004   {
6005     edit_mode_properties = gi->custom_type_id;
6006
6007     DrawPropertiesWindow();
6008   }
6009   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
6010   {
6011     boolean new_template = (!LevelFileExists(-1));
6012
6013     if (new_template ||
6014         Request("Save this tem- plate and kill the old ?", REQ_ASK))
6015       SaveLevelTemplate();
6016
6017     if (new_template)
6018       Request("Tem- plate saved !", REQ_CONFIRM);
6019   }
6020 }
6021
6022 static void HandleRadiobuttons(struct GadgetInfo *gi)
6023 {
6024   *radiobutton_info[gi->custom_type_id].value =
6025     radiobutton_info[gi->custom_type_id].checked_value;
6026 }
6027
6028 static void HandleCheckbuttons(struct GadgetInfo *gi)
6029 {
6030   int type_id = gi->custom_type_id;
6031
6032   *checkbutton_info[type_id].value ^= TRUE;
6033
6034   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
6035        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
6036       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
6037        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST &&
6038        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
6039   {
6040     CopyCustomElementPropertiesToGame(properties_element);
6041   }
6042
6043   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
6044   {
6045     UpdateCustomElementGraphicGadgets();
6046   }
6047   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
6048   {
6049     if (level.use_custom_template && !LevelFileExists(-1))
6050     {
6051       Request("No level tem- plate found !", REQ_CONFIRM);
6052
6053       level.use_custom_template = FALSE;
6054       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
6055
6056       return;
6057     }
6058
6059     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
6060
6061     DrawEditModeWindow();
6062   }
6063 }
6064
6065 static void HandleControlButtons(struct GadgetInfo *gi)
6066 {
6067   int id = gi->custom_id;
6068   int button = gi->event.button;
6069   int step = BUTTON_STEPSIZE(button);
6070   int new_element = BUTTON_ELEMENT(button);
6071   int x, y;
6072
6073   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
6074     DrawLevelText(0, 0, 0, TEXT_END);
6075
6076   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
6077       id != GADGET_ID_PICK_ELEMENT && edit_mode != ED_MODE_DRAWING &&
6078       drawing_function != GADGET_ID_PICK_ELEMENT &&
6079       !(GetKeyModState() & KMOD_Control))
6080   {
6081     DrawDrawingWindow();
6082     edit_mode = ED_MODE_DRAWING;
6083   }
6084
6085   switch (id)
6086   {
6087     case GADGET_ID_SCROLL_LEFT:
6088       if (level_xpos >= 0)
6089       {
6090         if (lev_fieldx < ed_fieldx - 2)
6091           break;
6092
6093         level_xpos -= step;
6094         if (level_xpos < -1)
6095           level_xpos = -1;
6096         if (button == 1)
6097           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
6098         else
6099           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6100
6101         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6102                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6103       }
6104       break;
6105
6106     case GADGET_ID_SCROLL_RIGHT:
6107       if (level_xpos <= lev_fieldx - ed_fieldx)
6108       {
6109         if (lev_fieldx < ed_fieldx - 2)
6110           break;
6111
6112         level_xpos += step;
6113         if (level_xpos > lev_fieldx - ed_fieldx + 1)
6114           level_xpos = lev_fieldx - ed_fieldx + 1;
6115         if (button == 1)
6116           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
6117         else
6118           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6119
6120         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6121                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6122       }
6123       break;
6124
6125     case GADGET_ID_SCROLL_UP:
6126       if (level_ypos >= 0)
6127       {
6128         if (lev_fieldy < ed_fieldy - 2)
6129           break;
6130
6131         level_ypos -= step;
6132         if (level_ypos < -1)
6133           level_ypos = -1;
6134         if (button == 1)
6135           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
6136         else
6137           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6138
6139         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6140                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6141       }
6142       break;
6143
6144     case GADGET_ID_SCROLL_DOWN:
6145       if (level_ypos <= lev_fieldy - ed_fieldy)
6146       {
6147         if (lev_fieldy < ed_fieldy - 2)
6148           break;
6149
6150         level_ypos += step;
6151         if (level_ypos > lev_fieldy - ed_fieldy + 1)
6152           level_ypos = lev_fieldy - ed_fieldy + 1;
6153         if (button == 1)
6154           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
6155         else
6156           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6157
6158         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6159                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6160       }
6161       break;
6162
6163     case GADGET_ID_SCROLL_HORIZONTAL:
6164       level_xpos = gi->event.item_position - 1;
6165       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6166       break;
6167
6168     case GADGET_ID_SCROLL_VERTICAL:
6169       level_ypos = gi->event.item_position - 1;
6170       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6171       break;
6172
6173     case GADGET_ID_SCROLL_LIST_UP:
6174     case GADGET_ID_SCROLL_LIST_DOWN:
6175     case GADGET_ID_SCROLL_LIST_VERTICAL:
6176       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
6177         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
6178       else
6179       {
6180         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
6181         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
6182
6183         if (element_shift < 0)
6184           element_shift = 0;
6185         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
6186           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
6187
6188         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
6189                      GDI_SCROLLBAR_ITEM_POSITION,
6190                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
6191       }
6192
6193       ModifyEditorElementList();
6194
6195       break;
6196
6197     case GADGET_ID_WRAP_LEFT:
6198       WrapLevel(-step, 0);
6199       break;
6200
6201     case GADGET_ID_WRAP_RIGHT:
6202       WrapLevel(step, 0);
6203       break;
6204
6205     case GADGET_ID_WRAP_UP:
6206       WrapLevel(0, -step);
6207       break;
6208
6209     case GADGET_ID_WRAP_DOWN:
6210       WrapLevel(0, step);
6211       break;
6212
6213     case GADGET_ID_SINGLE_ITEMS:
6214     case GADGET_ID_CONNECTED_ITEMS:
6215     case GADGET_ID_LINE:
6216     case GADGET_ID_ARC:
6217     case GADGET_ID_TEXT:
6218     case GADGET_ID_RECTANGLE:
6219     case GADGET_ID_FILLED_BOX:
6220     case GADGET_ID_FLOOD_FILL:
6221     case GADGET_ID_GRAB_BRUSH:
6222     case GADGET_ID_PICK_ELEMENT:
6223       if (drawing_function != GADGET_ID_PICK_ELEMENT)
6224         last_drawing_function = drawing_function;
6225       drawing_function = id;
6226       draw_with_brush = FALSE;
6227       break;
6228
6229     case GADGET_ID_RANDOM_PLACEMENT:
6230       RandomPlacement(new_element);
6231       break;
6232
6233     case GADGET_ID_PROPERTIES:
6234       if (edit_mode != ED_MODE_PROPERTIES)
6235       {
6236         properties_element = new_element;
6237         DrawPropertiesWindow();
6238         edit_mode = ED_MODE_PROPERTIES;
6239       }
6240       else
6241       {
6242         DrawDrawingWindow();
6243         edit_mode = ED_MODE_DRAWING;
6244       }
6245       break;
6246
6247     case GADGET_ID_UNDO:
6248       if (undo_buffer_steps == 0)
6249       {
6250         Request("Undo buffer empty !", REQ_CONFIRM);
6251         break;
6252       }
6253
6254       if (edit_mode != ED_MODE_DRAWING)
6255       {
6256         DrawDrawingWindow();
6257         edit_mode = ED_MODE_DRAWING;
6258       }
6259
6260       undo_buffer_position =
6261         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
6262       undo_buffer_steps--;
6263
6264       for(x=0; x<lev_fieldx; x++)
6265         for(y=0; y<lev_fieldy; y++)
6266           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
6267       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
6268       break;
6269
6270     case GADGET_ID_INFO:
6271       if (edit_mode != ED_MODE_INFO)
6272       {
6273         DrawLevelInfoWindow();
6274         edit_mode = ED_MODE_INFO;
6275       }
6276       else
6277       {
6278         DrawDrawingWindow();
6279         edit_mode = ED_MODE_DRAWING;
6280       }
6281       break;
6282
6283     case GADGET_ID_CLEAR:
6284       if (edit_mode != ED_MODE_DRAWING)
6285       {
6286         DrawDrawingWindow();
6287         edit_mode = ED_MODE_DRAWING;
6288       }
6289
6290       for(x=0; x<MAX_LEV_FIELDX; x++)
6291         for(y=0; y<MAX_LEV_FIELDY; y++)
6292           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
6293       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
6294
6295       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6296       break;
6297
6298     case GADGET_ID_SAVE:
6299       if (leveldir_current->readonly)
6300       {
6301         Request("This level is read only !", REQ_CONFIRM);
6302         break;
6303       }
6304
6305       if (!LevelContainsPlayer)
6306         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
6307       else
6308       {
6309         boolean new_level = (!LevelFileExists(level_nr));
6310
6311         if (new_level ||
6312             Request("Save this level and kill the old ?", REQ_ASK))
6313         {
6314           CopyPlayfield(Feld, level.field);
6315
6316           SaveLevel(level_nr);
6317         }
6318
6319         if (new_level)
6320           Request("Level saved !", REQ_CONFIRM);
6321       }
6322       break;
6323
6324     case GADGET_ID_TEST:
6325       if (!LevelContainsPlayer)
6326         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
6327       else
6328       {
6329         if (LevelChanged())
6330           level.game_version = GAME_VERSION_ACTUAL;
6331
6332         CopyPlayfield(level.field, FieldBackup);
6333         CopyPlayfield(Feld, level.field);
6334
6335         UnmapLevelEditorGadgets();
6336         UndrawSpecialEditorDoor();
6337
6338         CloseDoor(DOOR_CLOSE_ALL);
6339
6340         DrawCompleteVideoDisplay();
6341
6342         if (setup.autorecord)
6343           TapeStartRecording();
6344
6345         level_editor_test_game = TRUE;
6346         game_status = GAME_MODE_PLAYING;
6347
6348         InitGame();
6349       }
6350       break;
6351
6352     case GADGET_ID_EXIT:
6353       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
6354       break;
6355
6356     default:
6357       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
6358           id <= GADGET_ID_ELEMENTLIST_LAST)
6359       {
6360         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
6361         int new_element = editor_elements[element_position + element_shift];
6362
6363         PickDrawingElement(button, new_element);
6364
6365         if (!stick_element_properties_window &&
6366             drawing_function != GADGET_ID_PICK_ELEMENT &&
6367             !(GetKeyModState() & KMOD_Control))
6368         {
6369           properties_element = new_element;
6370           if (edit_mode == ED_MODE_PROPERTIES)
6371             DrawPropertiesWindow();
6372         }
6373
6374         if (drawing_function == GADGET_ID_PICK_ELEMENT)
6375           ClickOnGadget(level_editor_gadget[last_drawing_function],
6376                         MB_LEFTBUTTON);
6377       }
6378 #ifdef DEBUG
6379       else if (gi->event.type == GD_EVENT_PRESSED)
6380         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
6381       else if (gi->event.type == GD_EVENT_RELEASED)
6382         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
6383       else if (gi->event.type == GD_EVENT_MOVING)
6384         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
6385       else
6386         printf("default: HandleControlButtons: ? (id == %d)\n", id);
6387 #endif
6388       break;
6389   }
6390 }
6391
6392 void HandleLevelEditorKeyInput(Key key)
6393 {
6394   char letter = getCharFromKey(key);
6395   int button = MB_LEFTBUTTON;
6396
6397   if (drawing_function == GADGET_ID_TEXT &&
6398       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
6399   {
6400     if (letter)
6401       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
6402     else if (key == KSYM_Delete || key == KSYM_BackSpace)
6403       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
6404     else if (key == KSYM_Return)
6405       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
6406     else if (key == KSYM_Escape)
6407       DrawLevelText(0, 0, 0, TEXT_END);
6408   }
6409   else if (button_status == MB_RELEASED)
6410   {
6411     int i, id = GADGET_ID_NONE;
6412
6413     switch (key)
6414     {
6415       case KSYM_Left:
6416         id = GADGET_ID_SCROLL_LEFT;
6417         break;
6418       case KSYM_Right:
6419         id = GADGET_ID_SCROLL_RIGHT;
6420         break;
6421       case KSYM_Up:
6422         id = GADGET_ID_SCROLL_UP;
6423         break;
6424       case KSYM_Down:
6425         id = GADGET_ID_SCROLL_DOWN;
6426         break;
6427       case KSYM_Page_Up:
6428         id = GADGET_ID_SCROLL_LIST_UP;
6429         button = MB_RIGHTBUTTON;
6430         break;
6431       case KSYM_Page_Down:
6432         id = GADGET_ID_SCROLL_LIST_DOWN;
6433         button = MB_RIGHTBUTTON;
6434         break;
6435
6436       case KSYM_Escape:
6437         if (edit_mode == ED_MODE_DRAWING)
6438         {
6439           RequestExitLevelEditor(setup.ask_on_escape);
6440         }
6441         else
6442         {
6443           DrawDrawingWindow();
6444           edit_mode = ED_MODE_DRAWING;
6445         }
6446         break;
6447
6448       default:
6449         break;
6450     }
6451
6452     if (id != GADGET_ID_NONE)
6453       ClickOnGadget(level_editor_gadget[id], button);
6454     else if (letter == '.')
6455       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
6456     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
6457       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
6458     else
6459       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
6460         if (letter && letter == control_info[i].shortcut)
6461           if (!anyTextGadgetActive())
6462             ClickOnGadget(level_editor_gadget[i], button);
6463   }
6464 }
6465
6466 void HandleLevelEditorIdle()
6467 {
6468   static unsigned long action_delay = 0;
6469   unsigned long action_delay_value = GameFrameDelay;
6470   int xpos = 1, ypos = 2;
6471
6472   if (edit_mode != ED_MODE_PROPERTIES)
6473     return;
6474
6475   if (!DelayReached(&action_delay, action_delay_value))
6476     return;
6477
6478   DrawGraphicAnimationExt(drawto,
6479                           SX + xpos * TILEX,
6480                           SY + ypos * TILEY + MINI_TILEY / 2,
6481                           el2img(properties_element), -1, NO_MASKING);
6482
6483   MarkTileDirty(xpos, ypos);
6484   MarkTileDirty(xpos, ypos + 1);
6485
6486   FrameCounter++;       /* increase animation frame counter */
6487 }
6488
6489 void ClearEditorGadgetInfoText()
6490 {
6491   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
6492 }
6493
6494 void HandleEditorGadgetInfoText(void *ptr)
6495 {
6496   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
6497   char infotext[MAX_OUTPUT_LINESIZE + 1];
6498   char shortcut[MAX_OUTPUT_LINESIZE + 1];
6499   int max_infotext_len = getMaxInfoTextLength();
6500
6501   if (game_status != GAME_MODE_EDITOR)
6502     return;
6503
6504   ClearEditorGadgetInfoText();
6505
6506   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6507     return;
6508
6509   /* misuse this function to delete brush cursor, if needed */
6510   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
6511     DeleteBrushFromCursor();
6512
6513   if (gi == NULL || gi->info_text == NULL)
6514     return;
6515
6516   strncpy(infotext, gi->info_text, max_infotext_len);
6517   infotext[max_infotext_len] = '\0';
6518
6519   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
6520   {
6521     int key = control_info[gi->custom_id].shortcut;
6522
6523     if (key)
6524     {
6525       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
6526         sprintf(shortcut, " ('.' or '%c')", key);
6527       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
6528         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
6529       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
6530         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
6531       else                                              /* normal case */
6532         sprintf(shortcut, " ('%s%c')",
6533                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
6534
6535       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
6536         strcat(infotext, shortcut);
6537     }
6538   }
6539
6540   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
6541 }
6542
6543 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
6544 {
6545   static int start_lx, start_ly;
6546   char *infotext;
6547   int id = gi->custom_id;
6548   int sx = gi->event.x;
6549   int sy = gi->event.y;
6550   int lx = sx + level_xpos;
6551   int ly = sy + level_ypos;
6552   int min_sx = 0, min_sy = 0;
6553   int max_sx = gi->drawing.area_xsize - 1;
6554   int max_sy = gi->drawing.area_ysize - 1;
6555   int actual_drawing_function = drawing_function;
6556
6557   /* pressed Control key: simulate picking element */
6558   if (GetKeyModState() & KMOD_Control)
6559     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
6560
6561   ClearEditorGadgetInfoText();
6562
6563   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6564     return;
6565
6566   /* make sure to stay inside drawing area boundaries */
6567   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
6568   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
6569
6570   if (id == GADGET_ID_DRAWING_LEVEL)
6571   {
6572     if (button_status)
6573     {
6574       int min_lx = 0, min_ly = 0;
6575       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
6576
6577       /* get positions inside level field */
6578       lx = sx + level_xpos;
6579       ly = sy + level_ypos;
6580
6581       /* make sure to stay inside level field boundaries */
6582       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
6583       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
6584
6585       /* correct drawing area positions accordingly */
6586       sx = lx - level_xpos;
6587       sy = ly - level_ypos;
6588     }
6589
6590     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
6591     {
6592       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
6593       {
6594         if (gi->event.type == GD_EVENT_PRESSED)
6595         {
6596           start_lx = lx;
6597           start_ly = ly;
6598         }
6599
6600         switch (actual_drawing_function)
6601         {
6602           case GADGET_ID_SINGLE_ITEMS:
6603             infotext = "Drawing single items";
6604             break;
6605           case GADGET_ID_CONNECTED_ITEMS:
6606             infotext = "Drawing connected items";
6607             break;
6608           case GADGET_ID_LINE:
6609             infotext = "Drawing line";
6610             break;
6611           case GADGET_ID_ARC:
6612             infotext = "Drawing arc";
6613             break;
6614           case GADGET_ID_TEXT:
6615             infotext = "Setting text cursor";
6616             break;
6617           case GADGET_ID_RECTANGLE:
6618             infotext = "Drawing rectangle";
6619             break;
6620           case GADGET_ID_FILLED_BOX:
6621             infotext = "Drawing filled box";
6622             break;
6623           case GADGET_ID_FLOOD_FILL:
6624             infotext = "Flood fill";
6625             break;
6626           case GADGET_ID_GRAB_BRUSH:
6627             infotext = "Grabbing brush";
6628             break;
6629           case GADGET_ID_PICK_ELEMENT:
6630             infotext = "Picking element";
6631             break;
6632
6633           default:
6634             infotext = "Drawing position";
6635             break;
6636         }
6637
6638         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6639           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6640                     "%s: %d, %d", infotext, lx, ly);
6641         else
6642           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6643                     "%s: %d, %d", infotext,
6644                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
6645       }
6646       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6647         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6648                   "%s", getElementInfoText(Feld[lx][ly]));
6649       else
6650         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6651                   "Level position: %d, %d", lx, ly);
6652     }
6653
6654     /* misuse this function to draw brush cursor, if needed */
6655     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
6656     {
6657       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6658         CopyBrushToCursor(sx, sy);
6659       else
6660         DeleteBrushFromCursor();
6661     }
6662   }
6663   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6664   {
6665     if (id == GADGET_ID_AMOEBA_CONTENT)
6666       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6667                 getElementInfoText(level.amoeba_content));
6668     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6669       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6670                 getElementInfoText(custom_element.gfx_element));
6671     else if (id == GADGET_ID_CUSTOM_CONTENT)
6672       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6673                 getElementInfoText(custom_element.content[sx][sy]));
6674     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6675       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6676                 getElementInfoText(custom_element.change.target_element));
6677     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6678       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6679                 getElementInfoText(custom_element.change.content[sx][sy]));
6680     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6681       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6682                 getElementInfoText(custom_element.change.trigger_element));
6683     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6684       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6685                 getElementInfoText(random_placement_background_element));
6686     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6687              id <= GADGET_ID_ELEMENT_CONTENT_7)
6688     {
6689       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
6690
6691       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6692                 getElementInfoText(level.yamyam_content[i][sx][sy]));
6693     }
6694   }
6695   else
6696   {
6697     if (id == GADGET_ID_AMOEBA_CONTENT)
6698       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6699                 "Amoeba content");
6700     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6701       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6702                 "Custom graphic element");
6703     else if (id == GADGET_ID_CUSTOM_CONTENT)
6704       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6705                 "Custom element content position: %d, %d", sx, sy);
6706     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6707       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6708                 "New element after change");
6709     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6710       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6711                 "New extended elements after change");
6712     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6713       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6714                 "Other element triggering change");
6715     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6716       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6717                 "Random placement background");
6718     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6719              id <= GADGET_ID_ELEMENT_CONTENT_7)
6720       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6721                 "Content area %d position: %d, %d",
6722                 id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
6723   }
6724 }
6725
6726 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
6727 {
6728   if (!ask_if_level_has_changed ||
6729       !LevelChanged() ||
6730       Request("Level has changed! Exit without saving ?",
6731               REQ_ASK | REQ_STAY_OPEN))
6732   {
6733     CloseDoor(DOOR_CLOSE_1);
6734     /*
6735     CloseDoor(DOOR_CLOSE_ALL);
6736     */
6737     game_status = GAME_MODE_MAIN;
6738     DrawMainMenu();
6739   }
6740   else
6741   {
6742     CloseDoor(DOOR_CLOSE_1);
6743     BlitBitmap(bitmap_db_door, bitmap_db_door,
6744                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
6745                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
6746     OpenDoor(DOOR_OPEN_1);
6747   }
6748 }