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_BORDER_TEXT_XSIZE            5
  74 #define ED_BORDER_AREA_YSIZE            1
  75
  76 #define ED_GADGET_DISTANCE              2
  77 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
  78 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE + \
  79                                          MINI_TILEX / 2)
  80
  81 /* values for the setting windows */
  82 #define ED_SETTINGS_XSTART              (3 * MINI_TILEX / 2)
  83 #define ED_SETTINGS_YSTART              (MINI_TILEY * 10)
  84
  85 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE + \
  86                                          2 * ED_GADGET_DISTANCE)
  87
  88 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
  89 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
  90
  91 #define ED_SETTINGS_XPOS(n)             (ED_SETTINGS_XSTART + \
  92                                          n * ED_SETTINGS_XOFFSET)
  93 #define ED_SETTINGS_YPOS(n)             (ED_SETTINGS_YSTART + \
  94                                          n * ED_SETTINGS_YOFFSET)
  95
  96 #define ED_SETTINGS1_YPOS               MINI_TILEY
  97 #define ED_SETTINGS2_XPOS               MINI_TILEX
  98 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
  99
 100 /* values for counter gadgets */
 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 /* yamyam content */
 114 #define ED_AREA_YAMYAM_CONTENT_XPOS(n)  (ED_AREA_ELEM_CONTENT_XPOS + \
 115                                          5 * (n % 4) * MINI_TILEX)
 116 #define ED_AREA_YAMYAM_CONTENT_YPOS(n)  (ED_AREA_ELEM_CONTENT_YPOS + \
 117                                          6 * (n / 4) * MINI_TILEY)
 118
 119 /* custom change target */
 120 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(2) + \
 121                                          ED_GADGET_DISTANCE)
 122 /* optional custom graphic */
 123 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(1) + \
 124                                          ED_GADGET_DISTANCE)
 125 /* custom element content */
 126 #define ED_AREA_ELEM_CONTENT4_XPOS      (29 * MINI_TILEX)
 127 #define ED_AREA_ELEM_CONTENT4_YPOS      (ED_SETTINGS_YPOS(12) + \
 128                                          ED_GADGET_DISTANCE - MINI_TILEY)
 129 /* custom change trigger element */
 130 #define ED_AREA_ELEM_CONTENT5_YPOS      (ED_SETTINGS_YPOS(6) + \
 131                                          ED_GADGET_DISTANCE)
 132 /* extended custom change target */
 133 #define ED_AREA_ELEM_CONTENT6_XPOS      (29 * MINI_TILEX)
 134 #define ED_AREA_ELEM_CONTENT6_YPOS      (ED_SETTINGS_YPOS(9) + \
 135                                          ED_GADGET_DISTANCE - MINI_TILEY)
 136
 137 /* values for random placement background drawing area */
 138 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 139
 140 /* values for scrolling gadgets for drawing area */
 141 #define ED_SCROLLBUTTON_XPOS            24
 142 #define ED_SCROLLBUTTON_YPOS            0
 143 #define ED_SCROLLBAR_XPOS               24
 144 #define ED_SCROLLBAR_YPOS               64
 145
 146 #define ED_SCROLLBUTTON_XSIZE           16
 147 #define ED_SCROLLBUTTON_YSIZE           16
 148
 149 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 150 #define ED_SCROLL_UP_YPOS               (0)
 151 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 152 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 153 #define ED_SCROLL_LEFT_XPOS             (0)
 154 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 155 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 156 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 157 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 158 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 159 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 160 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 161 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 162 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 163 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 164 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 165
 166 /* values for scrolling gadgets for element list */
 167 #define ED_SCROLLBUTTON2_XPOS           50
 168 #define ED_SCROLLBUTTON2_YPOS           0
 169 #define ED_SCROLLBAR2_XPOS              50
 170 #define ED_SCROLLBAR2_YPOS              20
 171
 172 #define ED_SCROLLBUTTON2_XSIZE          10
 173 #define ED_SCROLLBUTTON2_YSIZE          10
 174
 175 #define ED_SCROLL2_UP_XPOS              85
 176 #define ED_SCROLL2_UP_YPOS              30
 177 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 178 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 179                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 180                                          ED_ELEMENTLIST_YSIZE - \
 181                                          ED_SCROLLBUTTON2_YSIZE)
 182 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 183 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 184                                          ED_SCROLLBUTTON2_YSIZE)
 185 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 186 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 187                                          ED_ELEMENTLIST_YSIZE - \
 188                                          2 * ED_SCROLLBUTTON2_YSIZE)
 189
 190 /* values for checkbutton gadgets */
 191 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 192 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 193 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 194 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 195 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 196 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 197 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 198
 199 /* some positions in the editor control window */
 200 #define ED_BUTTON_ELEM_XPOS             6
 201 #define ED_BUTTON_ELEM_YPOS             30
 202 #define ED_BUTTON_ELEM_XSIZE            22
 203 #define ED_BUTTON_ELEM_YSIZE            22
 204
 205 /* some values for text input, selectbox and counter gadgets */
 206 #define ED_BUTTON_COUNT_YPOS            60
 207 #define ED_BUTTON_COUNT_XSIZE           20
 208 #define ED_BUTTON_COUNT_YSIZE           20
 209 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 210 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 211 #define ED_WIN_COUNT_XSIZE              52
 212 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 213 #define ED_WIN_COUNT2_XPOS              27
 214 #define ED_WIN_COUNT2_YPOS              3
 215 #define ED_WIN_COUNT2_XSIZE             46
 216 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 217
 218 #define ED_BUTTON_MINUS_XPOS            2
 219 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 220 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 221 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 222 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 223                                          ED_WIN_COUNT_XSIZE + 2)
 224 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 225 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 226 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 227
 228 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 229 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 230                                          2 + ED_WIN_COUNT_YSIZE)
 231 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 232 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 233
 234 #define ED_SELECTBOX_BUTTON_XSIZE       14
 235
 236 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 237 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 238                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 239 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 240
 241 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 242 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS + \
 243                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 244 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS + \
 245                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 246
 247 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 248 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 249
 250 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 251 #define INFOTEXT_XPOS                   SX
 252 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 253 #define INFOTEXT_XSIZE                  SXSIZE
 254 #define INFOTEXT_YSIZE                  MINI_TILEX
 255
 256
 257 /*
 258   -----------------------------------------------------------------------------
 259   editor gadget definitions
 260   -----------------------------------------------------------------------------
 261 */
 262
 263 /* drawing toolbox buttons */
 264 #define GADGET_ID_NONE                  -1
 265 #define GADGET_ID_TOOLBOX_FIRST         0
 266
 267 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 268 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 269 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 270 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 271 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 272 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 273 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 274 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 275 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 276 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 277 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 278 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 279 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 280 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 281 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 282 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 283 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 284 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 285 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 286 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 287 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 288 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 289
 290 /* counter button identifiers */
 291 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 292
 293 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 294 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 295 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 296 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 297 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 298 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 299 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 300 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 301 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 302 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 303 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 304 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 305 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 306 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 307 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 308 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 309 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 310 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 311 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 312 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 313 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 314 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 315 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 316 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 317 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 318 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 319 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 320 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 321 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 322 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 29)
 323 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 324 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 325 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 32)
 326 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 33)
 327 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 34)
 328 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 35)
 329 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 36)
 330 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 37)
 331 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 38)
 332 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 333 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 334 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 41)
 335 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 42)
 336 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 43)
 337 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 44)
 338 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 339 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 340 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 47)
 341 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 342 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 343 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 50)
 344 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 51)
 345 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 52)
 346 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 53)
 347 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 54)
 348 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 55)
 349 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 56)
 350 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 351 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 352 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 59)
 353
 354 /* drawing area identifiers */
 355 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 60)
 356
 357 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 358 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 359 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 360 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 361 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 362 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 363 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 364 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 365 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 366 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 367 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 368 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 369 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 370 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 13)
 371 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 14)
 372 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 15)
 373
 374 /* text input identifiers */
 375 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 16)
 376
 377 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 378 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 379 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 380
 381 /* text area identifiers */
 382 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 383
 384 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 385
 386 /* selectbox identifiers */
 387 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 388
 389 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 0)
 390 #define GADGET_ID_CUSTOM_CONSISTENCY    (GADGET_ID_SELECTBOX_FIRST + 1)
 391 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 2)
 392 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 3)
 393 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 4)
 394 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 5)
 395 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 6)
 396 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 7)
 397 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 8)
 398 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 9)
 399 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 10)
 400 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 11)
 401 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 12)
 402 #define GADGET_ID_CHANGE_POWER          (GADGET_ID_SELECTBOX_FIRST + 13)
 403 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 14)
 404
 405 /* textbutton identifiers */
 406 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 15)
 407
 408 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 409 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 410 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 411 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 3)
 412 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 4)
 413 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 5)
 414
 415 /* graphicbutton identifiers */
 416 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 6)
 417
 418 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 419 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 420
 421 /* gadgets for scrolling of drawing area */
 422 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 423
 424 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 425 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 426 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 427 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 428 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 429 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 430
 431 /* gadgets for scrolling element list */
 432 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 433
 434 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 435 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 436 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 437
 438 /* checkbuttons for level/element properties */
 439 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 440
 441 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 442 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 443 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 444 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 445 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 446 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 447 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 448 #define GADGET_ID_CUSTOM_EXPLODE_RESULT (GADGET_ID_CHECKBUTTON_FIRST + 7)
 449 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 450 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 9)
 451 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 10)
 452 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 11)
 453 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 12)
 454 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 455 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 456 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 457 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 16)
 458 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 17)
 459 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 460 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 461 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 462 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 21)
 463 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 22)
 464 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 465 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 24)
 466 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 25)
 467 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 26)
 468 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 27)
 469
 470 /* gadgets for buttons in element list */
 471 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 472 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 473                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 474
 475 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 476
 477 /* radio button numbers */
 478 #define RADIO_NR_NONE                   0
 479 #define RADIO_NR_DRAWING_TOOLBOX        1
 480 #define RADIO_NR_RANDOM_ELEMENTS        2
 481
 482 /* values for counter gadgets */
 483 #define ED_COUNTER_ID_SELECT_LEVEL      0
 484 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 485 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 486 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 487 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 488 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 489 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 490 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 491 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 492 #define ED_COUNTER_ID_ENVELOPE_XSIZE    9
 493 #define ED_COUNTER_ID_ENVELOPE_YSIZE    10
 494 #define ED_COUNTER_ID_CUSTOM_SCORE      11
 495 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   12
 496 #define ED_COUNTER_ID_PUSH_DELAY_FIX    13
 497 #define ED_COUNTER_ID_PUSH_DELAY_RND    14
 498 #define ED_COUNTER_ID_MOVE_DELAY_FIX    15
 499 #define ED_COUNTER_ID_MOVE_DELAY_RND    16
 500 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  17
 501 #define ED_COUNTER_ID_CHANGE_DELAY_RND  18
 502 #define ED_COUNTER_ID_CHANGE_CONT_RND   19
 503
 504 #define ED_NUM_COUNTERBUTTONS           20
 505
 506 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 507 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 508
 509 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM_SCORE
 510 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_MOVE_DELAY_RND
 511
 512 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 513 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 514
 515 /* values for scrollbutton gadgets */
 516 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 517 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 518 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 519 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 520 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 521 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 522
 523 #define ED_NUM_SCROLLBUTTONS            6
 524
 525 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 526 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 527
 528 /* values for scrollbar gadgets */
 529 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 530 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 531 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 532
 533 #define ED_NUM_SCROLLBARS               3
 534
 535 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 536 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 537
 538 /* values for text input gadgets */
 539 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 540 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 541 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 542
 543 #define ED_NUM_TEXTINPUT                3
 544
 545 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 546 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 547
 548 /* values for text area gadgets */
 549 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 550
 551 #define ED_NUM_TEXTAREAS                        1
 552
 553 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 554 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 555
 556 /* values for selectbox gadgets */
 557 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      0
 558 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     1
 559 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   2
 560 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     3
 561 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   4
 562 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    5
 563 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    6
 564 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    7
 565 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       8
 566 #define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY      9
 567 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       10
 568 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    11
 569 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     12
 570 #define ED_SELECTBOX_ID_CHANGE_POWER            13
 571 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      14
 572
 573 #define ED_NUM_SELECTBOX                        15
 574
 575 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 576 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_CONSISTENCY
 577
 578 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 579 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 580
 581 /* values for textbutton gadgets */
 582 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 583 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 584 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 585 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       3
 586 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        4
 587 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        5
 588
 589 #define ED_NUM_TEXTBUTTONS                      6
 590
 591 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 592 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 593
 594 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE
 595 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 596
 597 /* values for graphicbutton gadgets */
 598 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 599 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 600
 601 #define ED_NUM_GRAPHICBUTTONS                   2
 602
 603 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 604 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST    ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE
 605
 606 /* values for checkbutton gadgets */
 607 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 608 #define ED_CHECKBUTTON_ID_GRAVITY               1
 609 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 610 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 611 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 612 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     5
 613 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 6
 614 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       7
 615 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       8
 616 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      9
 617 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       10
 618 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         11
 619 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT 12
 620 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   13
 621 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  14
 622 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 15
 623 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    16
 624 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     17
 625 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          18
 626 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  19
 627 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   20
 628 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  21
 629 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    22
 630 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  23
 631 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     24
 632 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   25
 633
 634 #define ED_NUM_CHECKBUTTONS                     26
 635
 636 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 637 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 638
 639 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE
 640 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 641
 642 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 643 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE
 644
 645 /* values for radiobutton gadgets */
 646 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 647 #define ED_RADIOBUTTON_ID_QUANTITY      1
 648
 649 #define ED_NUM_RADIOBUTTONS             2
 650
 651 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 652 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 653
 654 /* values for drawing area gadgets */
 655 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 656 #define ED_DRAWING_ID_ELEMENT_CONTENT_0         1
 657 #define ED_DRAWING_ID_ELEMENT_CONTENT_1         2
 658 #define ED_DRAWING_ID_ELEMENT_CONTENT_2         3
 659 #define ED_DRAWING_ID_ELEMENT_CONTENT_3         4
 660 #define ED_DRAWING_ID_ELEMENT_CONTENT_4         5
 661 #define ED_DRAWING_ID_ELEMENT_CONTENT_5         6
 662 #define ED_DRAWING_ID_ELEMENT_CONTENT_6         7
 663 #define ED_DRAWING_ID_ELEMENT_CONTENT_7         8
 664 #define ED_DRAWING_ID_AMOEBA_CONTENT            9
 665 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            10
 666 #define ED_DRAWING_ID_CUSTOM_CONTENT            11
 667 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      12
 668 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     13
 669 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     14
 670 #define ED_DRAWING_ID_RANDOM_BACKGROUND         15
 671
 672 #define ED_NUM_DRAWING_AREAS                    16
 673
 674
 675 /*
 676   -----------------------------------------------------------------------------
 677   some internally used definitions
 678   -----------------------------------------------------------------------------
 679 */
 680
 681 /* values for CopyLevelToUndoBuffer() */
 682 #define UNDO_IMMEDIATE                  0
 683 #define UNDO_ACCUMULATE                 1
 684
 685 /* values for scrollbars */
 686 #define ED_SCROLL_NO                    0
 687 #define ED_SCROLL_LEFT                  1
 688 #define ED_SCROLL_RIGHT                 2
 689 #define ED_SCROLL_UP                    4
 690 #define ED_SCROLL_DOWN                  8
 691
 692 /* screens in the level editor */
 693 #define ED_MODE_DRAWING                 0
 694 #define ED_MODE_INFO                    1
 695 #define ED_MODE_PROPERTIES              2
 696
 697 /* sub-screens in the element properties section */
 698 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 699 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 700 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 701
 702 /* how many steps can be cancelled */
 703 #define NUM_UNDO_STEPS                  (10 + 1)
 704
 705 /* values for elements with score for certain actions */
 706 #define MIN_SCORE                       0
 707 #define MAX_SCORE                       255
 708
 709 /* values for elements with count for collecting */
 710 #define MIN_COLLECT_COUNT               0
 711 #define MAX_COLLECT_COUNT               100
 712
 713 /* values for random placement */
 714 #define RANDOM_USE_PERCENTAGE           0
 715 #define RANDOM_USE_QUANTITY             1
 716
 717 /* maximal size of level editor drawing area */
 718 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 719 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 720
 721
 722 /*
 723   -----------------------------------------------------------------------------
 724   some internally used data structure definitions
 725   -----------------------------------------------------------------------------
 726 */
 727
 728 static struct
 729 {
 730   char shortcut;
 731   char *text;
 732 } control_info[ED_NUM_CTRL_BUTTONS] =
 733 {
 734   { 's',        "draw single items"             },
 735   { 'd',        "draw connected items"          },
 736   { 'l',        "draw lines"                    },
 737   { 'a',        "draw arcs"                     },
 738   { 'r',        "draw outline rectangles"       },
 739   { 'R',        "draw filled rectangles"        },
 740   { '\0',       "wrap (rotate) level up"        },
 741   { 't',        "enter text elements"           },
 742   { 'f',        "flood fill"                    },
 743   { '\0',       "wrap (rotate) level left"      },
 744   { '?',        "properties of drawing element" },
 745   { '\0',       "wrap (rotate) level right"     },
 746   { '\0',       "random element placement"      },
 747   { 'b',        "grab brush"                    },
 748   { '\0',       "wrap (rotate) level down"      },
 749   { ',',        "pick drawing element"          },
 750   { 'U',        "undo last operation"           },
 751   { 'I',        "level properties"              },
 752   { 'S',        "save level"                    },
 753   { 'C',        "clear level"                   },
 754   { 'T',        "test level"                    },
 755   { 'E',        "exit level editor"             }
 756 };
 757
 758 static int random_placement_value = 10;
 759 static int random_placement_method = RANDOM_USE_QUANTITY;
 760 static int random_placement_background_element = EL_SAND;
 761 static boolean random_placement_background_restricted = FALSE;
 762 static boolean stick_element_properties_window = FALSE;
 763 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 764 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 765 static struct ElementChangeInfo custom_element_change;
 766 static struct ElementInfo custom_element;
 767
 768 static struct
 769 {
 770   int x, y;
 771   int min_value, max_value;
 772   int gadget_id_down, gadget_id_up;
 773   int gadget_id_text;
 774   int gadget_id_align;
 775   int *value;
 776   char *text_above, *text_left, *text_right;
 777 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 778 {
 779   /* ---------- level and editor settings ---------------------------------- */
 780
 781   {
 782     DX + 5 - SX,                        DY + 3 - SY,
 783     1,                                  100,
 784     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 785     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
 786     &level_nr,
 787     NULL,                               NULL, NULL
 788   },
 789   {
 790     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 791     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 792     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 793     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
 794     &level.fieldx,
 795     "playfield size:",                  NULL, "width",
 796   },
 797   {
 798     -1,                                 ED_COUNTER_YPOS(2),
 799     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 800     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 801     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
 802     &level.fieldy,
 803     NULL,                               " ", "height",
 804   },
 805   {
 806     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 807     0,                                  999,
 808     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
 809     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
 810     &level.gems_needed,
 811     "number of emeralds to collect:",   NULL, NULL
 812   },
 813   {
 814     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 815     0,                                  999,
 816     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 817     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
 818     &level.time,
 819     "time available to solve level:",   NULL, "(0 => no time limit)"
 820   },
 821   {
 822     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 823     0,                                  255,
 824     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 825     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
 826     &level.score[SC_TIME_BONUS],
 827     "score for each 10 seconds left:",  NULL, NULL
 828   },
 829   {
 830     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 831     1,                                  100,
 832     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 833     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
 834     &random_placement_value,
 835     "random element placement:",        NULL, "in"
 836   },
 837
 838   /* ---------- element settings: configure (various elements) ------------- */
 839
 840   {
 841     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 842     MIN_SCORE,                          MAX_SCORE,
 843     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 844     GADGET_ID_ELEMENT_SCORE_TEXT,       GADGET_ID_NONE,
 845     NULL,                               /* will be set when used */
 846     NULL,                               NULL, NULL
 847   },
 848   {
 849     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 850     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 851     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 852     GADGET_ID_ELEMENT_CONTENT_TEXT,     GADGET_ID_NONE,
 853     &level.num_yamyam_contents,
 854     NULL,                               NULL, "number of content areas"
 855   },
 856   {
 857     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 858     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
 859     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
 860     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
 861     &level.envelope_xsize,
 862     NULL,                               NULL, "width",
 863   },
 864   {
 865     -1,                                 ED_SETTINGS_YPOS(0),
 866     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
 867     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
 868     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
 869     &level.envelope_ysize,
 870     NULL,                               " ", "height",
 871   },
 872
 873   /* ---------- element settings: configure (custom elements) ------------- */
 874
 875   {
 876     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
 877     MIN_SCORE,                          MAX_SCORE,
 878     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
 879     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
 880     &custom_element.collect_score,
 881     NULL,                               "score", " "
 882   },
 883   {
 884     -1,                                 ED_SETTINGS_YPOS(3),
 885     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
 886     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
 887     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
 888     &custom_element.collect_count,
 889     NULL,                               "count", NULL
 890   },
 891   {
 892     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 893     0,                                  999,
 894     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
 895     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 896     &custom_element.push_delay_fixed,
 897     NULL,                               "push delay", NULL
 898   },
 899   {
 900     -1,                                 ED_SETTINGS_YPOS(4),
 901     0,                                  999,
 902     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
 903     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
 904     &custom_element.push_delay_random,
 905     NULL,                               "+random", NULL
 906   },
 907   {
 908     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
 909     0,                                  999,
 910     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
 911     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 912     &custom_element.move_delay_fixed,
 913     NULL,                               "move delay", NULL
 914   },
 915   {
 916     -1,                                 ED_SETTINGS_YPOS(7),
 917     0,                                  999,
 918     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
 919     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
 920     &custom_element.move_delay_random,
 921     NULL,                               "+random", NULL
 922   },
 923
 924   /* ---------- element settings: advanced (custom elements) --------------- */
 925
 926   {
 927     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(3),
 928     0,                                  999,
 929     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 930     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
 931     &custom_element_change.delay_fixed,
 932     NULL,                               "delay", NULL,
 933   },
 934   {
 935     -1,                                 ED_SETTINGS_YPOS(3),
 936     0,                                  999,
 937     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 938     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 939     &custom_element_change.delay_random,
 940     NULL,                               "+random", NULL
 941   },
 942   {
 943     ED_SETTINGS_XPOS(3),                ED_SETTINGS_YPOS(11),
 944     0,                                  100,
 945     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
 946     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
 947     &custom_element_change.random,
 948     NULL,                               "use random change:", "(%)"
 949   },
 950 };
 951
 952 static struct
 953 {
 954   int x, y;
 955   int gadget_id;
 956   int size;
 957   char *value;
 958   char *text_above, *infotext;
 959 } textinput_info[ED_NUM_TEXTINPUT] =
 960 {
 961   {
 962     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
 963     GADGET_ID_LEVEL_NAME,
 964     MAX_LEVEL_NAME_LEN,
 965     level.name,
 966     "Title:", "Title"
 967   },
 968   {
 969     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 970     GADGET_ID_LEVEL_AUTHOR,
 971     MAX_LEVEL_AUTHOR_LEN,
 972     level.author,
 973     "Author:", "Author"
 974   },
 975   {
 976     5 * MINI_TILEX,                     5 * MINI_TILEY - ED_BORDER_SIZE,
 977     GADGET_ID_ELEMENT_NAME,
 978     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
 979     custom_element.description,
 980     NULL, "Element name"
 981   }
 982 };
 983
 984 static struct
 985 {
 986   int x, y;
 987   int gadget_id;
 988   int xsize, ysize;
 989   char *value;
 990   char *text_above, *infotext;
 991 } textarea_info[ED_NUM_TEXTAREAS] =
 992 {
 993   {
 994     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
 995     GADGET_ID_ENVELOPE_INFO,
 996     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
 997     level.envelope,
 998     "Envelope Info:", "Envelope Info"
 999   }
1000 };
1001
1002 static struct ValueTextInfo options_access_type[] =
1003 {
1004   { EP_WALKABLE,                "walk"                          },
1005   { EP_PASSABLE,                "pass"                          },
1006   { -1,                         NULL                            }
1007 };
1008
1009 static struct ValueTextInfo options_access_layer[] =
1010 {
1011   { EP_ACCESSIBLE_OVER,         "over"                          },
1012   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1013   { EP_ACCESSIBLE_UNDER,        "under"                         },
1014   { -1,                         NULL                            }
1015 };
1016
1017 static struct ValueTextInfo options_walk_to_action[] =
1018 {
1019   { EP_DIGGABLE,                "diggable"                      },
1020   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1021   { EP_DROPPABLE,               "collectible & droppable"       },
1022   { EP_PUSHABLE,                "pushable"                      },
1023   { -1,                         NULL                            }
1024 };
1025
1026 static struct ValueTextInfo options_move_pattern[] =
1027 {
1028   { MV_LEFT,                    "left"                          },
1029   { MV_RIGHT,                   "right"                         },
1030   { MV_UP,                      "up"                            },
1031   { MV_DOWN,                    "down"                          },
1032   { MV_HORIZONTAL,              "horizontal"                    },
1033   { MV_VERTICAL,                "vertical"                      },
1034   { MV_ALL_DIRECTIONS,          "all directions"                },
1035   { MV_TOWARDS_PLAYER,          "towards player"                },
1036   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1037   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1038   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1039   { MV_TURNING_LEFT,            "turning left"                  },
1040   { MV_TURNING_RIGHT,           "turning right"                 },
1041   { -1,                         NULL                            }
1042 };
1043
1044 static struct ValueTextInfo options_move_direction[] =
1045 {
1046   { MV_NO_MOVING,               "automatic"                     },
1047   { MV_LEFT,                    "left"                          },
1048   { MV_RIGHT,                   "right"                         },
1049   { MV_UP,                      "up"                            },
1050   { MV_DOWN,                    "down"                          },
1051   { -1,                         NULL                            }
1052 };
1053
1054 static struct ValueTextInfo options_move_stepsize[] =
1055 {
1056   { 1,                          "very slow"                     },
1057   { 2,                          "slow"                          },
1058   { 4,                          "normal"                        },
1059   { 8,                          "fast"                          },
1060   { 16,                         "very fast"                     },
1061   { -1,                         NULL                            }
1062 };
1063
1064 static struct ValueTextInfo options_smash_targets[] =
1065 {
1066   { EP_CAN_SMASH_PLAYER,        "player"                        },
1067 #if 0
1068   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1069 #endif
1070   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1071   { -1,                         NULL                            }
1072 };
1073
1074 static struct ValueTextInfo options_slippery_type[] =
1075 {
1076   { SLIPPERY_ANY_RANDOM,        "random"                        },
1077   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1078   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1079   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1080   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1081   { -1,                         NULL                            }
1082 };
1083
1084 static struct ValueTextInfo options_deadliness[] =
1085 {
1086   { EP_DONT_RUN_INTO,           "running into"                  },
1087   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1088   { EP_DONT_TOUCH,              "touching"                      },
1089   { -1,                         NULL                            }
1090 };
1091
1092 static struct ValueTextInfo options_consistency[] =
1093 {
1094   { EP_CAN_EXPLODE_3X3,         "can explode 3x3"               },
1095   { EP_CAN_EXPLODE_1X1,         "can explode 1x1"               },
1096   { EP_INDESTRUCTIBLE,          "indestructible"                },
1097   { -1,                         NULL                            }
1098 };
1099
1100 static struct ValueTextInfo options_time_units[] =
1101 {
1102   { FRAMES_PER_SECOND,          "seconds"                       },
1103   { 1,                          "frames"                        },
1104   { -1,                         NULL                            }
1105 };
1106
1107 static struct ValueTextInfo options_change_direct_action[] =
1108 {
1109   { CE_TOUCHED_BY_PLAYER,       "player touches it"             },
1110   { CE_PRESSED_BY_PLAYER,       "player presses it"             },
1111   { CE_PUSHED_BY_PLAYER,        "player pushes it"              },
1112   { CE_DROPPED_BY_PLAYER,       "player drops it"               },
1113   { CE_COLLISION,               "collision"                     },
1114   { CE_IMPACT,                  "impact"                        },
1115   { CE_SMASHED,                 "smashed"                       },
1116   { -1,                         NULL                            }
1117 };
1118
1119 static struct ValueTextInfo options_change_other_action[] =
1120 {
1121   { CE_OTHER_GETS_TOUCHED,      "player touches"                },
1122   { CE_OTHER_GETS_PRESSED,      "player presses"                },
1123   { CE_OTHER_GETS_PUSHED,       "player pushes"                 },
1124   { CE_OTHER_GETS_COLLECTED,    "player collects"               },
1125   { CE_OTHER_GETS_DROPPED,      "player drops"                  },
1126   { CE_OTHER_IS_TOUCHING,       "it touches"                    },
1127   { CE_OTHER_IS_CHANGING,       "change of"                     },
1128   { CE_OTHER_IS_EXPLODING,      "explosion of"                  },
1129   { -1,                         NULL                            }
1130 };
1131
1132 static struct ValueTextInfo options_change_power[] =
1133 {
1134   { CP_NON_DESTRUCTIVE,         "empty"                         },
1135   { CP_HALF_DESTRUCTIVE,        "diggable"                      },
1136   { CP_FULL_DESTRUCTIVE,        "destructible"                  },
1137   { -1,                         NULL                            }
1138 };
1139
1140 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
1141 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
1142 {
1143   { -1,                         NULL                            }
1144 };
1145
1146 static struct
1147 {
1148   int x, y;
1149   int gadget_id;
1150   int gadget_id_align;
1151   int size;     /* char size of selectbox or '-1' (dynamically determined) */
1152   struct ValueTextInfo *options;
1153   int *value;
1154   char *text_left, *text_right, *infotext;
1155 } selectbox_info[ED_NUM_SELECTBOX] =
1156 {
1157   /* ---------- element settings: configure (custom elements) ------------- */
1158
1159   {
1160     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(1),
1161     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
1162     -1,
1163     options_access_type,
1164     &custom_element.access_type,
1165     "player can", NULL,                 "type of access to this field"
1166   },
1167   {
1168     -1,                                 ED_SETTINGS_YPOS(1),
1169     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
1170     -1,
1171     options_access_layer,
1172     &custom_element.access_layer,
1173     NULL, NULL,                         "layer of access for this field"
1174   },
1175   {
1176     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1177     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
1178     -1,
1179     options_walk_to_action,
1180     &custom_element.walk_to_action,
1181     NULL, NULL,                         "diggable/collectible/pushable"
1182   },
1183   {
1184     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1185     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
1186     -1,
1187     options_move_pattern,
1188     &custom_element.move_pattern,
1189     "can move", NULL,                   "element move direction"
1190   },
1191   {
1192     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1193     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
1194     -1,
1195     options_move_direction,
1196     &custom_element.move_direction_initial,
1197     "starts moving", NULL,              "initial element move direction"
1198   },
1199   {
1200     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1201     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
1202     -1,
1203     options_move_stepsize,
1204     &custom_element.move_stepsize,
1205     "move/fall speed", NULL,            "speed of element movement"
1206   },
1207   {
1208     -1,                                 ED_SETTINGS_YPOS(9),
1209     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
1210     -1,
1211     options_smash_targets,
1212     &custom_element.smash_targets,
1213     "can smash", NULL,                  "elements that can be smashed"
1214   },
1215   {
1216     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(10),
1217     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
1218     -1,
1219     options_slippery_type,
1220     &custom_element.slippery_type,
1221     "slippery", NULL,                   "where other elements fall down"
1222   },
1223   {
1224     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(11),
1225     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
1226     -1,
1227     options_deadliness,
1228     &custom_element.deadliness,
1229     "deadly when", NULL,                "deadliness of element"
1230   },
1231   {
1232     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(12),
1233     GADGET_ID_CUSTOM_CONSISTENCY,       GADGET_ID_NONE,
1234     -1,
1235     options_consistency,
1236     &custom_element.consistency,
1237     NULL, NULL,                         "consistency/destructibility"
1238   },
1239
1240   /* ---------- element settings: advanced (custom elements) --------------- */
1241
1242   {
1243     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
1244     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
1245     -1,
1246     options_time_units,
1247     &custom_element_change.delay_frames,
1248     "delay time given in", NULL,        "delay time units for change"
1249   },
1250   {
1251     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(5),
1252     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
1253     -1,
1254     options_change_direct_action,
1255     &custom_element_change.direct_action,
1256     NULL, NULL,                         "type of direct action"
1257   },
1258   {
1259     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(6),
1260     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
1261     -1,
1262     options_change_other_action,
1263     &custom_element_change.other_action,
1264     NULL, "element:",                   "type of other element action"
1265   },
1266   {
1267     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(9),
1268     GADGET_ID_CHANGE_POWER,             GADGET_ID_NONE,
1269     -1,
1270     options_change_power,
1271     &custom_element_change.power,
1272     "replace when", NULL,               "which elements can be replaced"
1273   },
1274   {
1275     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(13),
1276     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
1277     3,
1278     options_change_page,
1279     &custom_element.current_change_page,
1280     NULL, NULL,                         "element config page"
1281   },
1282 };
1283
1284 static struct
1285 {
1286   int x, y;
1287   int gadget_id;
1288   int gadget_id_align;
1289   int size;
1290   char *text;
1291   char *text_left, *text_right, *infotext;
1292 } textbutton_info[ED_NUM_TEXTBUTTONS] =
1293 {
1294   {
1295     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1296     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
1297     11,                                 "Information",
1298     NULL, NULL,                         "Show information about element"
1299   },
1300   {
1301     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
1302     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
1303     11,                                 "Configure",
1304     NULL, NULL,                         "Configure element properties"
1305   },
1306   {
1307     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
1308     GADGET_ID_PROPERTIES_ADVANCED,      GADGET_ID_NONE,
1309     11,                                 "Advanced",
1310     NULL, NULL,                         "Advanced element configuration"
1311   },
1312   {
1313     -1,                                 ED_SETTINGS_YPOS(12),
1314     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
1315     -1,                                 "Save as template",
1316     " ", NULL,                          "Save current settings as new template"
1317   },
1318   {
1319     -1,                                 ED_SETTINGS_YPOS(13),
1320     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_NEXT_CHANGE_PAGE,
1321     -1,                                 "New",
1322     " ", NULL,                          "Add new config page"
1323   },
1324   {
1325     -1,                                 ED_SETTINGS_YPOS(13),
1326     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
1327     -1,                                 "Delete",
1328     NULL, NULL,                         "Delete current config page"
1329   },
1330 };
1331
1332 static struct
1333 {
1334   int gd_x, gd_y;
1335   int x, y;
1336   int width, height;
1337   int gadget_id;
1338   int gadget_id_align;
1339   char *text_left, *text_right, *infotext;
1340 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
1341 {
1342   {
1343     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
1344     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(13),
1345     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1346     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
1347     NULL, NULL,                         "select previous config page"
1348   },
1349   {
1350     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
1351     -1,                                 ED_SETTINGS_YPOS(13),
1352     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1353     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
1354     NULL, "config page",                "select next config page"
1355   },
1356 };
1357
1358 static struct
1359 {
1360   int gd_x, gd_y;
1361   int x, y;
1362   int gadget_id;
1363   char *infotext;
1364 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
1365 {
1366   {
1367     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
1368     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
1369     GADGET_ID_SCROLL_UP,
1370     "scroll level editing area up"
1371   },
1372   {
1373     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
1374     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
1375     GADGET_ID_SCROLL_DOWN,
1376     "scroll level editing area down"
1377   },
1378   {
1379     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
1380     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
1381     GADGET_ID_SCROLL_LEFT,
1382     "scroll level editing area left"
1383   },
1384   {
1385     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1386     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1387     GADGET_ID_SCROLL_RIGHT,
1388     "scroll level editing area right"
1389   },
1390   {
1391     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1392     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1393     GADGET_ID_SCROLL_LIST_UP,
1394     "scroll element list up ('Page Up')"
1395   },
1396   {
1397     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1398     ED_SCROLL2_DOWN_XPOS,   ED_SCROLL2_DOWN_YPOS,
1399     GADGET_ID_SCROLL_LIST_DOWN,
1400     "scroll element list down ('Page Down')"
1401   },
1402 };
1403
1404 static struct
1405 {
1406   int gd_x, gd_y;
1407   int x, y;
1408   int width, height;
1409   int type;
1410   int gadget_id;
1411   char *infotext;
1412 } scrollbar_info[ED_NUM_SCROLLBARS] =
1413 {
1414   {
1415     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1416     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1417     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1418     GD_TYPE_SCROLLBAR_HORIZONTAL,
1419     GADGET_ID_SCROLL_HORIZONTAL,
1420     "scroll level editing area horizontally"
1421   },
1422   {
1423     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1424     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1425     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1426     GD_TYPE_SCROLLBAR_VERTICAL,
1427     GADGET_ID_SCROLL_VERTICAL,
1428     "scroll level editing area vertically"
1429   },
1430   {
1431     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1432     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1433     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1434     GD_TYPE_SCROLLBAR_VERTICAL,
1435     GADGET_ID_SCROLL_LIST_VERTICAL,
1436     "scroll element list vertically"
1437   }
1438 };
1439
1440 static struct
1441 {
1442   int x, y;
1443   int gadget_id;
1444   int gadget_id_align;
1445   int radio_button_nr;
1446   int *value;
1447   int checked_value;
1448   char *text_left, *text_right, *infotext;
1449 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1450 {
1451   {
1452     -1,                                 ED_COUNTER2_YPOS(8),
1453     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
1454     RADIO_NR_RANDOM_ELEMENTS,
1455     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1456     " ", "percentage",                  "use percentage for random elements"
1457   },
1458   {
1459     -1,                                 ED_COUNTER2_YPOS(8),
1460     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
1461     RADIO_NR_RANDOM_ELEMENTS,
1462     &random_placement_method,           RANDOM_USE_QUANTITY,
1463     " ", "quantity",                    "use quantity for random elements"
1464   }
1465 };
1466
1467 static struct
1468 {
1469   int x, y;
1470   int gadget_id;
1471   int gadget_id_align;
1472   boolean *value;
1473   char *text_left, *text_right, *infotext;
1474 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1475 {
1476   /* ---------- level and editor settings ---------------------------------- */
1477
1478   {
1479     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1480     GADGET_ID_DOUBLE_SPEED,             GADGET_ID_NONE,
1481     &level.double_speed,
1482     NULL, "double speed movement",      "set movement speed of player"
1483   },
1484   {
1485     -1,                                 ED_COUNTER_YPOS(6) - MINI_TILEY,
1486     GADGET_ID_GRAVITY,                  GADGET_ID_DOUBLE_SPEED,
1487     &level.gravity,
1488     " ", "gravity",                     "set level gravity"
1489   },
1490   {
1491     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1492     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
1493     &random_placement_background_restricted,
1494     NULL,
1495     "restrict random placement to:",    "set random placement restriction"
1496   },
1497
1498   /* ---------- element settings: configure (various elements) ------------- */
1499
1500   {
1501     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
1502     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
1503     &stick_element_properties_window,
1504     NULL,
1505     "stick this screen to edit content","stick this screen to edit content"
1506   },
1507   {
1508     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1509     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
1510     &level.em_slippery_gems,
1511     NULL,
1512     "slip down from certain flat walls","use EM style slipping behaviour"
1513   },
1514
1515   /* ---------- element settings: configure (custom elements) ------------- */
1516
1517   {
1518     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1519     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
1520     &custom_element_properties[EP_ACCESSIBLE],
1521     NULL, NULL,                         "player can walk to or pass this field"
1522   },
1523   {
1524     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1525     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
1526     &custom_element_properties[EP_WALK_TO_OBJECT],
1527     NULL, NULL,                         "player can dig/collect/push element"
1528   },
1529   {
1530     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1531     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
1532     &custom_element_properties[EP_CAN_MOVE],
1533     NULL, NULL,                         "element can move in some direction"
1534   },
1535   {
1536     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(9),
1537     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
1538     &custom_element_properties[EP_CAN_FALL],
1539     NULL, "can fall",                   "element can fall down"
1540   },
1541   {
1542     -1,                                 ED_SETTINGS_YPOS(9),
1543     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
1544     &custom_element_properties[EP_CAN_SMASH],
1545     " ", NULL,                          "element can smash other elements"
1546   },
1547   {
1548     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1549     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
1550     &custom_element_properties[EP_SLIPPERY],
1551     NULL, NULL,                         "other elements can fall down from it"
1552   },
1553   {
1554     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(11),
1555     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
1556     &custom_element_properties[EP_DEADLY],
1557     NULL, NULL,                         "element can kill the player"
1558   },
1559   {
1560     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1561     GADGET_ID_CUSTOM_EXPLODE_RESULT,    GADGET_ID_NONE,
1562     &custom_element_properties[EP_EXPLODE_RESULT],
1563     NULL, NULL,                         "set consistency/destructibility"
1564   },
1565   {
1566     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(13),
1567     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
1568     &custom_element.can_explode_by_fire,
1569     NULL, "by fire",                    "element can explode by fire/explosion"
1570   },
1571   {
1572     -1,                                 ED_SETTINGS_YPOS(13),
1573     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
1574     &custom_element.can_explode_smashed,
1575     " ", "smashed",                     "element can explode when smashed"
1576   },
1577   {
1578     -1,                                 ED_SETTINGS_YPOS(13),
1579     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
1580     &custom_element.can_explode_impact,
1581     " ", "impact",                      "element can explode on impact"
1582   },
1583
1584   /* ---------- element settings: advanced (custom elements) --------------- */
1585
1586   {
1587     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1588     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
1589     &custom_element.use_gfx_element,
1590     NULL, "use graphic of element:",    "use graphic for custom element"
1591   },
1592   {
1593     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1594     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
1595     &custom_element_change.can_change,
1596     NULL, "element changes to:",        "element can change to other element"
1597   },
1598   {
1599     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1600     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
1601     &custom_element_change_events[CE_DELAY],
1602     NULL, NULL,                         "element changes after delay"
1603   },
1604   {
1605     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1606     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
1607     &custom_element_change_events[CE_BY_DIRECT_ACTION],
1608     NULL, NULL,                         "element changes by direct action"
1609   },
1610   {
1611     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1612     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
1613     &custom_element_change_events[CE_BY_OTHER_ACTION],
1614     NULL, NULL,                         "element changes by other element"
1615   },
1616   {
1617     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
1618     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
1619     &custom_element_change.explode,
1620     NULL, "explode instead of change",  "element explodes instead of change"
1621   },
1622   {
1623     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1624     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
1625     &custom_element_change.use_content,
1626     NULL, "use extended change target:","element changes to more elements"
1627   },
1628   {
1629     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(10),
1630     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
1631     &custom_element_change.only_complete,
1632     NULL, "only use complete change",   "only use complete extended content"
1633   },
1634   {
1635     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(11),
1636     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
1637     &custom_element_change.use_random_change,
1638     NULL, NULL,                         "use random value for new content"
1639   },
1640   {
1641     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1642     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
1643     &level.use_custom_template,
1644     NULL, "use template",               "use template for custom properties"
1645   },
1646 };
1647
1648 static struct
1649 {
1650   int x, y;
1651   int area_xsize, area_ysize;
1652   int gadget_id;
1653   int gadget_id_align;
1654   char *text_left, *text_right, *text_below;
1655 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
1656 {
1657   /* ---------- level playfield content ------------------------------------ */
1658
1659   {
1660     0, 0,
1661     MAX_ED_FIELDX, MAX_ED_FIELDY,
1662     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
1663     NULL, NULL,                         NULL
1664   },
1665
1666   /* ---------- yam yam content -------------------------------------------- */
1667
1668   {
1669     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
1670     3, 3,
1671     GADGET_ID_ELEMENT_CONTENT_0,        GADGET_ID_NONE,
1672     NULL, NULL,                         "1"
1673   },
1674   {
1675     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
1676     3, 3,
1677     GADGET_ID_ELEMENT_CONTENT_1,        GADGET_ID_NONE,
1678     NULL, NULL,                         "2"
1679   },
1680   {
1681     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
1682     3, 3,
1683     GADGET_ID_ELEMENT_CONTENT_2,        GADGET_ID_NONE,
1684     NULL, NULL,                         "3"
1685   },
1686   {
1687     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
1688     3, 3,
1689     GADGET_ID_ELEMENT_CONTENT_3,        GADGET_ID_NONE,
1690     NULL, NULL,                         "4"
1691   },
1692   {
1693     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
1694     3, 3,
1695     GADGET_ID_ELEMENT_CONTENT_4,        GADGET_ID_NONE,
1696     NULL, NULL,                         "5"
1697   },
1698   {
1699     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
1700     3, 3,
1701     GADGET_ID_ELEMENT_CONTENT_5,        GADGET_ID_NONE,
1702     NULL, NULL,                         "6"
1703   },
1704   {
1705     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
1706     3, 3,
1707     GADGET_ID_ELEMENT_CONTENT_6,        GADGET_ID_NONE,
1708     NULL, NULL,                         "7"
1709   },
1710   {
1711     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
1712     3, 3,
1713     GADGET_ID_ELEMENT_CONTENT_7,        GADGET_ID_NONE,
1714     NULL, NULL,                         "8"
1715   },
1716
1717   /* ---------- amoeba content --------------------------------------------- */
1718
1719   {
1720     ED_AREA_ELEM_CONTENT_XPOS,          ED_AREA_ELEM_CONTENT_YPOS,
1721     1, 1,
1722     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
1723     NULL, "content of amoeba",          NULL
1724   },
1725
1726   /* ---------- custom graphic --------------------------------------------- */
1727
1728   {
1729     -1,                                 ED_AREA_ELEM_CONTENT3_YPOS,
1730     1, 1,
1731     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
1732     NULL, NULL,                         NULL
1733   },
1734
1735   /* ---------- custom content (when exploding) ---------------------------- */
1736
1737   {
1738     ED_AREA_ELEM_CONTENT4_XPOS,         ED_AREA_ELEM_CONTENT4_YPOS,
1739     3, 3,
1740     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
1741     "content:", NULL,                   NULL
1742   },
1743
1744   /* ---------- custom change target --------------------------------------- */
1745
1746   {
1747     -1,                                 ED_AREA_ELEM_CONTENT2_YPOS,
1748     1, 1,
1749     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
1750     NULL, "after/when:",                NULL
1751   },
1752
1753   /* ---------- custom change content (extended change target) ------------- */
1754
1755   {
1756     ED_AREA_ELEM_CONTENT6_XPOS,         ED_AREA_ELEM_CONTENT6_YPOS,
1757     3, 3,
1758     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
1759     NULL, NULL,                         NULL
1760   },
1761
1762   /* ---------- custom change trigger (element causing change) ------------- */
1763
1764   {
1765     -1,                                 ED_AREA_ELEM_CONTENT5_YPOS,
1766     1, 1,
1767     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
1768     NULL, NULL,                         NULL
1769   },
1770
1771   /* ---------- random background (for random painting) -------------------- */
1772
1773   {
1774     -1,                                 ED_AREA_RANDOM_BACKGROUND_YPOS,
1775     1, 1,
1776     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
1777     NULL, NULL,                         NULL
1778   },
1779 };
1780
1781
1782 /*
1783   -----------------------------------------------------------------------------
1784   some internally used variables
1785   -----------------------------------------------------------------------------
1786 */
1787
1788 /* actual size of level editor drawing area */
1789 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1790
1791 /* actual position of level editor drawing area in level playfield */
1792 static int level_xpos = -1, level_ypos = -1;
1793
1794 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1795
1796 /* drawing elements on the three mouse buttons */
1797 static int new_element1 = EL_WALL;
1798 static int new_element2 = EL_EMPTY;
1799 static int new_element3 = EL_SAND;
1800
1801 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1802                                 (button) == 2 ? new_element2 : \
1803                                 (button) == 3 ? new_element3 : EL_EMPTY)
1804 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1805
1806 /* forward declaration for internal use */
1807 static void ModifyEditorCounter(int, int);
1808 static void ModifyEditorCounterLimits(int, int, int);
1809 static void ModifyEditorSelectbox(int, int);
1810 static void ModifyEditorElementList();
1811 static void RedrawDrawingElements();
1812 static void DrawDrawingWindow();
1813 static void DrawLevelInfoWindow();
1814 static void DrawPropertiesWindow();
1815 static boolean checkPropertiesConfig();
1816 static void CopyLevelToUndoBuffer(int);
1817 static void HandleDrawingAreas(struct GadgetInfo *);
1818 static void HandleCounterButtons(struct GadgetInfo *);
1819 static void HandleTextInputGadgets(struct GadgetInfo *);
1820 static void HandleTextAreaGadgets(struct GadgetInfo *);
1821 static void HandleSelectboxGadgets(struct GadgetInfo *);
1822 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1823 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
1824 static void HandleRadiobuttons(struct GadgetInfo *);
1825 static void HandleCheckbuttons(struct GadgetInfo *);
1826 static void HandleControlButtons(struct GadgetInfo *);
1827 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1828
1829 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1830 static int right_gadget_border[NUM_EDITOR_GADGETS];
1831
1832 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1833 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1834 static boolean draw_with_brush = FALSE;
1835 static int properties_element = 0;
1836
1837 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1838 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1839 static int undo_buffer_position = 0;
1840 static int undo_buffer_steps = 0;
1841
1842 static int edit_mode;
1843 static int edit_mode_properties;
1844
1845 static int element_shift = 0;
1846
1847 static int editor_hl_boulderdash[] =
1848 {
1849   EL_CHAR('B'),
1850   EL_CHAR('O'),
1851   EL_CHAR('U'),
1852   EL_CHAR('L'),
1853
1854   EL_CHAR('-'),
1855   EL_CHAR('D'),
1856   EL_CHAR('E'),
1857   EL_CHAR('R'),
1858
1859   EL_CHAR('D'),
1860   EL_CHAR('A'),
1861   EL_CHAR('S'),
1862   EL_CHAR('H'),
1863 };
1864
1865 static int editor_el_boulderdash[] =
1866 {
1867   EL_PLAYER_1,
1868   EL_EMPTY,
1869   EL_SAND,
1870   EL_STEELWALL,
1871
1872   EL_BD_WALL,
1873   EL_BD_MAGIC_WALL,
1874   EL_EXIT_CLOSED,
1875   EL_EXIT_OPEN,
1876
1877   EL_BD_DIAMOND,
1878   EL_BD_BUTTERFLY_UP,
1879   EL_BD_FIREFLY_UP,
1880   EL_BD_ROCK,
1881
1882   EL_BD_BUTTERFLY_LEFT,
1883   EL_BD_FIREFLY_LEFT,
1884   EL_BD_BUTTERFLY_RIGHT,
1885   EL_BD_FIREFLY_RIGHT,
1886
1887   EL_BD_AMOEBA,
1888   EL_BD_BUTTERFLY_DOWN,
1889   EL_BD_FIREFLY_DOWN,
1890   EL_EMPTY,
1891 };
1892 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
1893 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1894
1895 static int editor_hl_emerald_mine[] =
1896 {
1897   EL_CHAR('E'),
1898   EL_CHAR('M'),
1899   EL_CHAR('E'),
1900   EL_CHAR('-'),
1901
1902   EL_CHAR('R'),
1903   EL_CHAR('A'),
1904   EL_CHAR('L'),
1905   EL_CHAR('D'),
1906
1907   EL_CHAR('M'),
1908   EL_CHAR('I'),
1909   EL_CHAR('N'),
1910   EL_CHAR('E'),
1911 };
1912
1913 static int editor_el_emerald_mine[] =
1914 {
1915   EL_PLAYER_1,
1916   EL_PLAYER_2,
1917   EL_PLAYER_3,
1918   EL_PLAYER_4,
1919
1920   EL_PLAYER_1,
1921   EL_EMPTY,
1922   EL_SAND,
1923   EL_ROCK,
1924
1925   EL_STEELWALL,
1926   EL_WALL,
1927   EL_WALL_SLIPPERY,
1928   EL_MAGIC_WALL,
1929
1930   EL_EMERALD,
1931   EL_DIAMOND,
1932   EL_NUT,
1933   EL_BOMB,
1934
1935   EL_WALL_EMERALD,
1936   EL_WALL_DIAMOND,
1937   EL_QUICKSAND_EMPTY,
1938   EL_QUICKSAND_FULL,
1939
1940   EL_DYNAMITE,
1941   EL_DYNAMITE_ACTIVE,
1942   EL_EXIT_CLOSED,
1943   EL_EXIT_OPEN,
1944
1945   EL_YAMYAM,
1946   EL_BUG_UP,
1947   EL_SPACESHIP_UP,
1948   EL_ROBOT,
1949
1950   EL_BUG_LEFT,
1951   EL_SPACESHIP_LEFT,
1952   EL_BUG_RIGHT,
1953   EL_SPACESHIP_RIGHT,
1954
1955   EL_ROBOT_WHEEL,
1956   EL_BUG_DOWN,
1957   EL_SPACESHIP_DOWN,
1958   EL_INVISIBLE_WALL,
1959
1960   EL_ACID_POOL_TOPLEFT,
1961   EL_ACID,
1962   EL_ACID_POOL_TOPRIGHT,
1963   EL_EMPTY,
1964
1965   EL_ACID_POOL_BOTTOMLEFT,
1966   EL_ACID_POOL_BOTTOM,
1967   EL_ACID_POOL_BOTTOMRIGHT,
1968   EL_EMPTY,
1969
1970   EL_AMOEBA_DROP,
1971   EL_AMOEBA_DEAD,
1972   EL_AMOEBA_WET,
1973   EL_AMOEBA_DRY,
1974
1975   EL_EM_KEY_1_FILE,
1976   EL_EM_KEY_2_FILE,
1977   EL_EM_KEY_3_FILE,
1978   EL_EM_KEY_4_FILE,
1979
1980   EL_EM_GATE_1,
1981   EL_EM_GATE_2,
1982   EL_EM_GATE_3,
1983   EL_EM_GATE_4,
1984
1985   EL_EM_GATE_1_GRAY,
1986   EL_EM_GATE_2_GRAY,
1987   EL_EM_GATE_3_GRAY,
1988   EL_EM_GATE_4_GRAY,
1989 };
1990 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
1991 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1992
1993 static int editor_hl_more[] =
1994 {
1995   EL_CHAR('M'),
1996   EL_CHAR('O'),
1997   EL_CHAR('R'),
1998   EL_CHAR('E'),
1999 };
2000
2001 static int editor_el_more[] =
2002 {
2003   EL_KEY_1,
2004   EL_KEY_2,
2005   EL_KEY_3,
2006   EL_KEY_4,
2007
2008   EL_GATE_1,
2009   EL_GATE_2,
2010   EL_GATE_3,
2011   EL_GATE_4,
2012
2013   EL_GATE_1_GRAY,
2014   EL_GATE_2_GRAY,
2015   EL_GATE_3_GRAY,
2016   EL_GATE_4_GRAY,
2017
2018   EL_ARROW_LEFT,
2019   EL_ARROW_RIGHT,
2020   EL_ARROW_UP,
2021   EL_ARROW_DOWN,
2022
2023   EL_AMOEBA_FULL,
2024   EL_EMERALD_YELLOW,
2025   EL_EMERALD_RED,
2026   EL_EMERALD_PURPLE,
2027
2028   EL_WALL_BD_DIAMOND,
2029   EL_WALL_EMERALD_YELLOW,
2030   EL_WALL_EMERALD_RED,
2031   EL_WALL_EMERALD_PURPLE,
2032
2033   EL_GAME_OF_LIFE,
2034   EL_PACMAN_UP,
2035   EL_TIME_ORB_FULL,
2036   EL_TIME_ORB_EMPTY,
2037
2038   EL_PACMAN_LEFT,
2039   EL_DARK_YAMYAM,
2040   EL_PACMAN_RIGHT,
2041   EL_EXPANDABLE_WALL,
2042
2043   EL_BIOMAZE,
2044   EL_PACMAN_DOWN,
2045   EL_LAMP,
2046   EL_LAMP_ACTIVE,
2047
2048   EL_DYNABOMB_INCREASE_NUMBER,
2049   EL_DYNABOMB_INCREASE_SIZE,
2050   EL_DYNABOMB_INCREASE_POWER,
2051   EL_STONEBLOCK,
2052
2053   EL_MOLE,
2054   EL_PENGUIN,
2055   EL_PIG,
2056   EL_DRAGON,
2057
2058   EL_EMPTY,
2059   EL_MOLE_UP,
2060   EL_EMPTY,
2061   EL_EMPTY,
2062
2063   EL_MOLE_LEFT,
2064   EL_EMPTY,
2065   EL_MOLE_RIGHT,
2066   EL_EMPTY,
2067
2068   EL_EMPTY,
2069   EL_MOLE_DOWN,
2070   EL_BALLOON,
2071   EL_BALLOON_SWITCH_ANY,
2072
2073   EL_BALLOON_SWITCH_LEFT,
2074   EL_BALLOON_SWITCH_RIGHT,
2075   EL_BALLOON_SWITCH_UP,
2076   EL_BALLOON_SWITCH_DOWN,
2077
2078   EL_SATELLITE,
2079   EL_EXPANDABLE_WALL_HORIZONTAL,
2080   EL_EXPANDABLE_WALL_VERTICAL,
2081   EL_EXPANDABLE_WALL_ANY,
2082
2083   EL_INVISIBLE_STEELWALL,
2084   EL_INVISIBLE_WALL,
2085   EL_SPEED_PILL,
2086   EL_BLACK_ORB,
2087
2088   EL_EMC_STEELWALL_1,
2089   EL_EMC_WALL_1,
2090   EL_EMC_WALL_2,
2091   EL_EMC_WALL_3,
2092
2093   EL_EMC_WALL_4,
2094   EL_EMC_WALL_5,
2095   EL_EMC_WALL_6,
2096   EL_EMC_WALL_7,
2097 };
2098 static int num_editor_hl_more = SIZEOF_ARRAY_INT(editor_hl_more);
2099 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
2100
2101 static int editor_hl_sokoban[] =
2102 {
2103   EL_CHAR('S'),
2104   EL_CHAR('O'),
2105   EL_CHAR('K'),
2106   EL_CHAR('O'),
2107
2108   EL_CHAR('-'),
2109   EL_CHAR('B'),
2110   EL_CHAR('A'),
2111   EL_CHAR('N'),
2112 };
2113
2114 static int editor_el_sokoban[] =
2115 {
2116   EL_SOKOBAN_OBJECT,
2117   EL_SOKOBAN_FIELD_EMPTY,
2118   EL_SOKOBAN_FIELD_FULL,
2119   EL_STEELWALL,
2120 };
2121 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
2122 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
2123
2124 static int editor_hl_supaplex[] =
2125 {
2126   EL_CHAR('S'),
2127   EL_CHAR('U'),
2128   EL_CHAR('P'),
2129   EL_CHAR('A'),
2130
2131   EL_CHAR('P'),
2132   EL_CHAR('L'),
2133   EL_CHAR('E'),
2134   EL_CHAR('X'),
2135 };
2136
2137 static int editor_el_supaplex[] =
2138 {
2139   EL_SP_EMPTY,
2140   EL_SP_ZONK,
2141   EL_SP_BASE,
2142   EL_SP_MURPHY,
2143
2144   EL_SP_INFOTRON,
2145   EL_SP_CHIP_SINGLE,
2146   EL_SP_HARDWARE_GRAY,
2147   EL_SP_EXIT_CLOSED,
2148
2149   EL_SP_DISK_ORANGE,
2150   EL_SP_PORT_RIGHT,
2151   EL_SP_PORT_DOWN,
2152   EL_SP_PORT_LEFT,
2153
2154   EL_SP_PORT_UP,
2155   EL_SP_GRAVITY_PORT_RIGHT,
2156   EL_SP_GRAVITY_PORT_DOWN,
2157   EL_SP_GRAVITY_PORT_LEFT,
2158
2159   EL_SP_GRAVITY_PORT_UP,
2160   EL_SP_SNIKSNAK,
2161   EL_SP_DISK_YELLOW,
2162   EL_SP_TERMINAL,
2163
2164   EL_SP_DISK_RED,
2165   EL_SP_PORT_VERTICAL,
2166   EL_SP_PORT_HORIZONTAL,
2167   EL_SP_PORT_ANY,
2168
2169   EL_SP_ELECTRON,
2170   EL_SP_BUGGY_BASE,
2171   EL_SP_CHIP_LEFT,
2172   EL_SP_CHIP_RIGHT,
2173
2174   EL_SP_HARDWARE_BASE_1,
2175   EL_SP_HARDWARE_GREEN,
2176   EL_SP_HARDWARE_BLUE,
2177   EL_SP_HARDWARE_RED,
2178
2179   EL_SP_HARDWARE_YELLOW,
2180   EL_SP_HARDWARE_BASE_2,
2181   EL_SP_HARDWARE_BASE_3,
2182   EL_SP_HARDWARE_BASE_4,
2183
2184   EL_SP_HARDWARE_BASE_5,
2185   EL_SP_HARDWARE_BASE_6,
2186   EL_SP_CHIP_TOP,
2187   EL_SP_CHIP_BOTTOM,
2188 };
2189 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
2190 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
2191
2192 static int editor_hl_diamond_caves[] =
2193 {
2194   EL_CHAR('D'),
2195   EL_CHAR('I'),
2196   EL_CHAR('A'),
2197   EL_CHAR('-'),
2198
2199   EL_CHAR('M'),
2200   EL_CHAR('O'),
2201   EL_CHAR('N'),
2202   EL_CHAR('D'),
2203
2204   EL_CHAR('C'),
2205   EL_CHAR('A'),
2206   EL_CHAR('V'),
2207   EL_CHAR('E'),
2208
2209   EL_CHAR('S'),
2210   EL_CHAR(' '),
2211   EL_CHAR('I'),
2212   EL_CHAR('I'),
2213 };
2214
2215 static int editor_el_diamond_caves[] =
2216 {
2217   EL_PEARL,
2218   EL_CRYSTAL,
2219   EL_WALL_PEARL,
2220   EL_WALL_CRYSTAL,
2221
2222   EL_CONVEYOR_BELT_1_LEFT,
2223   EL_CONVEYOR_BELT_1_MIDDLE,
2224   EL_CONVEYOR_BELT_1_RIGHT,
2225   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2226
2227   EL_CONVEYOR_BELT_2_LEFT,
2228   EL_CONVEYOR_BELT_2_MIDDLE,
2229   EL_CONVEYOR_BELT_2_RIGHT,
2230   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2231
2232   EL_CONVEYOR_BELT_3_LEFT,
2233   EL_CONVEYOR_BELT_3_MIDDLE,
2234   EL_CONVEYOR_BELT_3_RIGHT,
2235   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2236
2237   EL_CONVEYOR_BELT_4_LEFT,
2238   EL_CONVEYOR_BELT_4_MIDDLE,
2239   EL_CONVEYOR_BELT_4_RIGHT,
2240   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2241
2242   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2243   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2244   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2245   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2246
2247   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2248   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2249   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2250   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2251
2252   EL_SWITCHGATE_OPEN,
2253   EL_SWITCHGATE_CLOSED,
2254   EL_SWITCHGATE_SWITCH_UP,
2255   EL_ENVELOPE,
2256
2257   EL_TIMEGATE_CLOSED,
2258   EL_TIMEGATE_OPEN,
2259   EL_TIMEGATE_SWITCH,
2260   EL_EMPTY,
2261
2262   EL_LANDMINE,
2263   EL_INVISIBLE_SAND,
2264   EL_STEELWALL_SLIPPERY,
2265   EL_EMPTY,
2266
2267   EL_SIGN_EXCLAMATION,
2268   EL_SIGN_STOP,
2269   EL_LIGHT_SWITCH,
2270   EL_LIGHT_SWITCH_ACTIVE,
2271
2272   EL_SHIELD_NORMAL,
2273   EL_SHIELD_DEADLY,
2274   EL_EXTRA_TIME,
2275   EL_EMPTY,
2276 };
2277 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
2278 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
2279
2280 static int editor_hl_dx_boulderdash[] =
2281 {
2282   EL_CHAR('D'),
2283   EL_CHAR('X'),
2284   EL_CHAR('-'),
2285   EL_CHAR(' '),
2286
2287   EL_CHAR('B'),
2288   EL_CHAR('O'),
2289   EL_CHAR('U'),
2290   EL_CHAR('L'),
2291
2292   EL_CHAR('-'),
2293   EL_CHAR('D'),
2294   EL_CHAR('E'),
2295   EL_CHAR('R'),
2296
2297   EL_CHAR('D'),
2298   EL_CHAR('A'),
2299   EL_CHAR('S'),
2300   EL_CHAR('H'),
2301 };
2302
2303 static int editor_el_dx_boulderdash[] =
2304 {
2305   EL_SPRING,
2306   EL_TUBE_RIGHT_DOWN,
2307   EL_TUBE_HORIZONTAL_DOWN,
2308   EL_TUBE_LEFT_DOWN,
2309
2310   EL_TUBE_HORIZONTAL,
2311   EL_TUBE_VERTICAL_RIGHT,
2312   EL_TUBE_ANY,
2313   EL_TUBE_VERTICAL_LEFT,
2314
2315   EL_TUBE_VERTICAL,
2316   EL_TUBE_RIGHT_UP,
2317   EL_TUBE_HORIZONTAL_UP,
2318   EL_TUBE_LEFT_UP,
2319
2320   EL_TRAP,
2321   EL_DX_SUPABOMB,
2322   EL_EMPTY,
2323   EL_EMPTY
2324 };
2325 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
2326 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
2327
2328 static int editor_hl_chars[] =
2329 {
2330   EL_CHAR('T'),
2331   EL_CHAR('E'),
2332   EL_CHAR('X'),
2333   EL_CHAR('T'),
2334 };
2335
2336 static int editor_el_chars[] =
2337 {
2338   EL_CHAR(' '),
2339   EL_CHAR('!'),
2340   EL_CHAR('"'),
2341   EL_CHAR('#'),
2342
2343   EL_CHAR('$'),
2344   EL_CHAR('%'),
2345   EL_CHAR('&'),
2346   EL_CHAR('\''),
2347
2348   EL_CHAR('('),
2349   EL_CHAR(')'),
2350   EL_CHAR('*'),
2351   EL_CHAR('+'),
2352
2353   EL_CHAR(','),
2354   EL_CHAR('-'),
2355   EL_CHAR('.'),
2356   EL_CHAR('/'),
2357
2358   EL_CHAR('0'),
2359   EL_CHAR('1'),
2360   EL_CHAR('2'),
2361   EL_CHAR('3'),
2362
2363   EL_CHAR('4'),
2364   EL_CHAR('5'),
2365   EL_CHAR('6'),
2366   EL_CHAR('7'),
2367
2368   EL_CHAR('8'),
2369   EL_CHAR('9'),
2370   EL_CHAR(':'),
2371   EL_CHAR(';'),
2372
2373   EL_CHAR('<'),
2374   EL_CHAR('='),
2375   EL_CHAR('>'),
2376   EL_CHAR('?'),
2377
2378   EL_CHAR('@'),
2379   EL_CHAR('A'),
2380   EL_CHAR('B'),
2381   EL_CHAR('C'),
2382
2383   EL_CHAR('D'),
2384   EL_CHAR('E'),
2385   EL_CHAR('F'),
2386   EL_CHAR('G'),
2387
2388   EL_CHAR('H'),
2389   EL_CHAR('I'),
2390   EL_CHAR('J'),
2391   EL_CHAR('K'),
2392
2393   EL_CHAR('L'),
2394   EL_CHAR('M'),
2395   EL_CHAR('N'),
2396   EL_CHAR('O'),
2397
2398   EL_CHAR('P'),
2399   EL_CHAR('Q'),
2400   EL_CHAR('R'),
2401   EL_CHAR('S'),
2402
2403   EL_CHAR('T'),
2404   EL_CHAR('U'),
2405   EL_CHAR('V'),
2406   EL_CHAR('W'),
2407
2408   EL_CHAR('X'),
2409   EL_CHAR('Y'),
2410   EL_CHAR('Z'),
2411   EL_CHAR('['),
2412
2413   EL_CHAR('\\'),
2414   EL_CHAR(']'),
2415   EL_CHAR('^'),
2416   EL_CHAR('_'),
2417
2418   EL_CHAR('©'),
2419   EL_CHAR('Ä'),
2420   EL_CHAR('Ö'),
2421   EL_CHAR('Ü'),
2422
2423   EL_CHAR('°'),
2424   EL_CHAR('®'),
2425   EL_CHAR(FONT_ASCII_CURSOR),
2426   EL_CHAR(' ')
2427 };
2428 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
2429 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
2430
2431 static int editor_hl_custom[] =
2432 {
2433   EL_CHAR('C'),
2434   EL_CHAR('U'),
2435   EL_CHAR('S'),
2436   EL_CHAR('-'),
2437
2438   EL_CHAR('T'),
2439   EL_CHAR('O'),
2440   EL_CHAR('M'),
2441   EL_CHAR(' '),
2442
2443   EL_CHAR('E'),
2444   EL_CHAR('L'),
2445   EL_CHAR('E'),
2446   EL_CHAR('M'),
2447
2448   EL_CHAR('E'),
2449   EL_CHAR('N'),
2450   EL_CHAR('T'),
2451   EL_CHAR('S'),
2452 };
2453
2454 static int editor_el_custom[] =
2455 {
2456   EL_CUSTOM_START + 0,
2457   EL_CUSTOM_START + 1,
2458   EL_CUSTOM_START + 2,
2459   EL_CUSTOM_START + 3,
2460
2461   EL_CUSTOM_START + 4,
2462   EL_CUSTOM_START + 5,
2463   EL_CUSTOM_START + 6,
2464   EL_CUSTOM_START + 7,
2465
2466   EL_CUSTOM_START + 8,
2467   EL_CUSTOM_START + 9,
2468   EL_CUSTOM_START + 10,
2469   EL_CUSTOM_START + 11,
2470
2471   EL_CUSTOM_START + 12,
2472   EL_CUSTOM_START + 13,
2473   EL_CUSTOM_START + 14,
2474   EL_CUSTOM_START + 15,
2475
2476   EL_CUSTOM_START + 16,
2477   EL_CUSTOM_START + 17,
2478   EL_CUSTOM_START + 18,
2479   EL_CUSTOM_START + 19,
2480
2481   EL_CUSTOM_START + 20,
2482   EL_CUSTOM_START + 21,
2483   EL_CUSTOM_START + 22,
2484   EL_CUSTOM_START + 23,
2485
2486   EL_CUSTOM_START + 24,
2487   EL_CUSTOM_START + 25,
2488   EL_CUSTOM_START + 26,
2489   EL_CUSTOM_START + 27,
2490
2491   EL_CUSTOM_START + 28,
2492   EL_CUSTOM_START + 29,
2493   EL_CUSTOM_START + 30,
2494   EL_CUSTOM_START + 31,
2495
2496   EL_CUSTOM_START + 32,
2497   EL_CUSTOM_START + 33,
2498   EL_CUSTOM_START + 34,
2499   EL_CUSTOM_START + 35,
2500
2501   EL_CUSTOM_START + 36,
2502   EL_CUSTOM_START + 37,
2503   EL_CUSTOM_START + 38,
2504   EL_CUSTOM_START + 39,
2505
2506   EL_CUSTOM_START + 40,
2507   EL_CUSTOM_START + 41,
2508   EL_CUSTOM_START + 42,
2509   EL_CUSTOM_START + 43,
2510
2511   EL_CUSTOM_START + 44,
2512   EL_CUSTOM_START + 45,
2513   EL_CUSTOM_START + 46,
2514   EL_CUSTOM_START + 47,
2515
2516   EL_CUSTOM_START + 48,
2517   EL_CUSTOM_START + 49,
2518   EL_CUSTOM_START + 50,
2519   EL_CUSTOM_START + 51,
2520
2521   EL_CUSTOM_START + 52,
2522   EL_CUSTOM_START + 53,
2523   EL_CUSTOM_START + 54,
2524   EL_CUSTOM_START + 55,
2525
2526   EL_CUSTOM_START + 56,
2527   EL_CUSTOM_START + 57,
2528   EL_CUSTOM_START + 58,
2529   EL_CUSTOM_START + 59,
2530
2531   EL_CUSTOM_START + 60,
2532   EL_CUSTOM_START + 61,
2533   EL_CUSTOM_START + 62,
2534   EL_CUSTOM_START + 63,
2535
2536   EL_CUSTOM_START + 64,
2537   EL_CUSTOM_START + 65,
2538   EL_CUSTOM_START + 66,
2539   EL_CUSTOM_START + 67,
2540
2541   EL_CUSTOM_START + 68,
2542   EL_CUSTOM_START + 69,
2543   EL_CUSTOM_START + 70,
2544   EL_CUSTOM_START + 71,
2545
2546   EL_CUSTOM_START + 72,
2547   EL_CUSTOM_START + 73,
2548   EL_CUSTOM_START + 74,
2549   EL_CUSTOM_START + 75,
2550
2551   EL_CUSTOM_START + 76,
2552   EL_CUSTOM_START + 77,
2553   EL_CUSTOM_START + 78,
2554   EL_CUSTOM_START + 79,
2555
2556   EL_CUSTOM_START + 80,
2557   EL_CUSTOM_START + 81,
2558   EL_CUSTOM_START + 82,
2559   EL_CUSTOM_START + 83,
2560
2561   EL_CUSTOM_START + 84,
2562   EL_CUSTOM_START + 85,
2563   EL_CUSTOM_START + 86,
2564   EL_CUSTOM_START + 87,
2565
2566   EL_CUSTOM_START + 88,
2567   EL_CUSTOM_START + 89,
2568   EL_CUSTOM_START + 90,
2569   EL_CUSTOM_START + 91,
2570
2571   EL_CUSTOM_START + 92,
2572   EL_CUSTOM_START + 93,
2573   EL_CUSTOM_START + 94,
2574   EL_CUSTOM_START + 95,
2575
2576   EL_CUSTOM_START + 96,
2577   EL_CUSTOM_START + 97,
2578   EL_CUSTOM_START + 98,
2579   EL_CUSTOM_START + 99,
2580
2581   EL_CUSTOM_START + 100,
2582   EL_CUSTOM_START + 101,
2583   EL_CUSTOM_START + 102,
2584   EL_CUSTOM_START + 103,
2585
2586   EL_CUSTOM_START + 104,
2587   EL_CUSTOM_START + 105,
2588   EL_CUSTOM_START + 106,
2589   EL_CUSTOM_START + 107,
2590
2591   EL_CUSTOM_START + 108,
2592   EL_CUSTOM_START + 109,
2593   EL_CUSTOM_START + 110,
2594   EL_CUSTOM_START + 111,
2595
2596   EL_CUSTOM_START + 112,
2597   EL_CUSTOM_START + 113,
2598   EL_CUSTOM_START + 114,
2599   EL_CUSTOM_START + 115,
2600
2601   EL_CUSTOM_START + 116,
2602   EL_CUSTOM_START + 117,
2603   EL_CUSTOM_START + 118,
2604   EL_CUSTOM_START + 119,
2605
2606   EL_CUSTOM_START + 120,
2607   EL_CUSTOM_START + 121,
2608   EL_CUSTOM_START + 122,
2609   EL_CUSTOM_START + 123,
2610
2611   EL_CUSTOM_START + 124,
2612   EL_CUSTOM_START + 125,
2613   EL_CUSTOM_START + 126,
2614   EL_CUSTOM_START + 127
2615 };
2616 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
2617 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
2618
2619 static int editor_hl_custom_more[] =
2620 {
2621 };
2622
2623 static int editor_el_custom_more[] =
2624 {
2625   EL_CUSTOM_START + 128,
2626   EL_CUSTOM_START + 129,
2627   EL_CUSTOM_START + 130,
2628   EL_CUSTOM_START + 131,
2629
2630   EL_CUSTOM_START + 132,
2631   EL_CUSTOM_START + 133,
2632   EL_CUSTOM_START + 134,
2633   EL_CUSTOM_START + 135,
2634
2635   EL_CUSTOM_START + 136,
2636   EL_CUSTOM_START + 137,
2637   EL_CUSTOM_START + 138,
2638   EL_CUSTOM_START + 139,
2639
2640   EL_CUSTOM_START + 140,
2641   EL_CUSTOM_START + 141,
2642   EL_CUSTOM_START + 142,
2643   EL_CUSTOM_START + 143,
2644
2645   EL_CUSTOM_START + 144,
2646   EL_CUSTOM_START + 145,
2647   EL_CUSTOM_START + 146,
2648   EL_CUSTOM_START + 147,
2649
2650   EL_CUSTOM_START + 148,
2651   EL_CUSTOM_START + 149,
2652   EL_CUSTOM_START + 150,
2653   EL_CUSTOM_START + 151,
2654
2655   EL_CUSTOM_START + 152,
2656   EL_CUSTOM_START + 153,
2657   EL_CUSTOM_START + 154,
2658   EL_CUSTOM_START + 155,
2659
2660   EL_CUSTOM_START + 156,
2661   EL_CUSTOM_START + 157,
2662   EL_CUSTOM_START + 158,
2663   EL_CUSTOM_START + 159,
2664
2665   EL_CUSTOM_START + 160,
2666   EL_CUSTOM_START + 161,
2667   EL_CUSTOM_START + 162,
2668   EL_CUSTOM_START + 163,
2669
2670   EL_CUSTOM_START + 164,
2671   EL_CUSTOM_START + 165,
2672   EL_CUSTOM_START + 166,
2673   EL_CUSTOM_START + 167,
2674
2675   EL_CUSTOM_START + 168,
2676   EL_CUSTOM_START + 169,
2677   EL_CUSTOM_START + 170,
2678   EL_CUSTOM_START + 171,
2679
2680   EL_CUSTOM_START + 172,
2681   EL_CUSTOM_START + 173,
2682   EL_CUSTOM_START + 174,
2683   EL_CUSTOM_START + 175,
2684
2685   EL_CUSTOM_START + 176,
2686   EL_CUSTOM_START + 177,
2687   EL_CUSTOM_START + 178,
2688   EL_CUSTOM_START + 179,
2689
2690   EL_CUSTOM_START + 180,
2691   EL_CUSTOM_START + 181,
2692   EL_CUSTOM_START + 182,
2693   EL_CUSTOM_START + 183,
2694
2695   EL_CUSTOM_START + 184,
2696   EL_CUSTOM_START + 185,
2697   EL_CUSTOM_START + 186,
2698   EL_CUSTOM_START + 187,
2699
2700   EL_CUSTOM_START + 188,
2701   EL_CUSTOM_START + 189,
2702   EL_CUSTOM_START + 190,
2703   EL_CUSTOM_START + 191,
2704
2705   EL_CUSTOM_START + 192,
2706   EL_CUSTOM_START + 193,
2707   EL_CUSTOM_START + 194,
2708   EL_CUSTOM_START + 195,
2709
2710   EL_CUSTOM_START + 196,
2711   EL_CUSTOM_START + 197,
2712   EL_CUSTOM_START + 198,
2713   EL_CUSTOM_START + 199,
2714
2715   EL_CUSTOM_START + 200,
2716   EL_CUSTOM_START + 201,
2717   EL_CUSTOM_START + 202,
2718   EL_CUSTOM_START + 203,
2719
2720   EL_CUSTOM_START + 204,
2721   EL_CUSTOM_START + 205,
2722   EL_CUSTOM_START + 206,
2723   EL_CUSTOM_START + 207,
2724
2725   EL_CUSTOM_START + 208,
2726   EL_CUSTOM_START + 209,
2727   EL_CUSTOM_START + 210,
2728   EL_CUSTOM_START + 211,
2729
2730   EL_CUSTOM_START + 212,
2731   EL_CUSTOM_START + 213,
2732   EL_CUSTOM_START + 214,
2733   EL_CUSTOM_START + 215,
2734
2735   EL_CUSTOM_START + 216,
2736   EL_CUSTOM_START + 217,
2737   EL_CUSTOM_START + 218,
2738   EL_CUSTOM_START + 219,
2739
2740   EL_CUSTOM_START + 220,
2741   EL_CUSTOM_START + 221,
2742   EL_CUSTOM_START + 222,
2743   EL_CUSTOM_START + 223,
2744
2745   EL_CUSTOM_START + 224,
2746   EL_CUSTOM_START + 225,
2747   EL_CUSTOM_START + 226,
2748   EL_CUSTOM_START + 227,
2749
2750   EL_CUSTOM_START + 228,
2751   EL_CUSTOM_START + 229,
2752   EL_CUSTOM_START + 230,
2753   EL_CUSTOM_START + 231,
2754
2755   EL_CUSTOM_START + 232,
2756   EL_CUSTOM_START + 233,
2757   EL_CUSTOM_START + 234,
2758   EL_CUSTOM_START + 235,
2759
2760   EL_CUSTOM_START + 236,
2761   EL_CUSTOM_START + 237,
2762   EL_CUSTOM_START + 238,
2763   EL_CUSTOM_START + 239,
2764
2765   EL_CUSTOM_START + 240,
2766   EL_CUSTOM_START + 241,
2767   EL_CUSTOM_START + 242,
2768   EL_CUSTOM_START + 243,
2769
2770   EL_CUSTOM_START + 244,
2771   EL_CUSTOM_START + 245,
2772   EL_CUSTOM_START + 246,
2773   EL_CUSTOM_START + 247,
2774
2775   EL_CUSTOM_START + 248,
2776   EL_CUSTOM_START + 249,
2777   EL_CUSTOM_START + 250,
2778   EL_CUSTOM_START + 251,
2779
2780   EL_CUSTOM_START + 252,
2781   EL_CUSTOM_START + 253,
2782   EL_CUSTOM_START + 254,
2783   EL_CUSTOM_START + 255
2784 };
2785 static int num_editor_hl_custom_more = SIZEOF_ARRAY_INT(editor_hl_custom_more);
2786 static int num_editor_el_custom_more = SIZEOF_ARRAY_INT(editor_el_custom_more);
2787
2788 static int *editor_elements = NULL;     /* dynamically allocated */
2789 static int num_editor_elements = 0;     /* dynamically determined */
2790
2791 static struct
2792 {
2793   boolean *setup_value;
2794
2795   int *headline_list;
2796   int *headline_list_size;
2797
2798   int *element_list;
2799   int *element_list_size;
2800
2801   boolean last_setup_value;
2802 }
2803 editor_elements_info[] =
2804 {
2805   {
2806     &setup.editor.el_boulderdash,
2807     editor_hl_boulderdash,              &num_editor_hl_boulderdash,
2808     editor_el_boulderdash,              &num_editor_el_boulderdash
2809   },
2810   {
2811     &setup.editor.el_emerald_mine,
2812     editor_hl_emerald_mine,             &num_editor_hl_emerald_mine,
2813     editor_el_emerald_mine,             &num_editor_el_emerald_mine
2814   },
2815   {
2816     &setup.editor.el_more,
2817     editor_hl_more,                     &num_editor_hl_more,
2818     editor_el_more,                     &num_editor_el_more
2819   },
2820   {
2821     &setup.editor.el_sokoban,
2822     editor_hl_sokoban,                  &num_editor_hl_sokoban,
2823     editor_el_sokoban,                  &num_editor_el_sokoban
2824   },
2825   {
2826     &setup.editor.el_supaplex,
2827     editor_hl_supaplex,                 &num_editor_hl_supaplex,
2828     editor_el_supaplex,                 &num_editor_el_supaplex
2829   },
2830   {
2831     &setup.editor.el_diamond_caves,
2832     editor_hl_diamond_caves,            &num_editor_hl_diamond_caves,
2833     editor_el_diamond_caves,            &num_editor_el_diamond_caves
2834   },
2835   {
2836     &setup.editor.el_dx_boulderdash,
2837     editor_hl_dx_boulderdash,           &num_editor_hl_dx_boulderdash,
2838     editor_el_dx_boulderdash,           &num_editor_el_dx_boulderdash
2839   },
2840   {
2841     &setup.editor.el_chars,
2842     editor_hl_chars,                    &num_editor_hl_chars,
2843     editor_el_chars,                    &num_editor_el_chars
2844   },
2845   {
2846     &setup.editor.el_custom,
2847     editor_hl_custom,                   &num_editor_hl_custom,
2848     editor_el_custom,                   &num_editor_el_custom
2849   },
2850   {
2851     &setup.editor.el_custom_more,
2852     editor_hl_custom_more,              &num_editor_hl_custom_more,
2853     editor_el_custom_more,              &num_editor_el_custom_more
2854   },
2855   {
2856     NULL,
2857     NULL,                               NULL,
2858     NULL,                               NULL
2859   }
2860 };
2861
2862
2863 /*
2864   -----------------------------------------------------------------------------
2865   functions
2866   -----------------------------------------------------------------------------
2867 */
2868
2869 static void ReinitializeElementList()
2870 {
2871   int pos = 0;
2872   int i, j;
2873
2874   if (editor_elements != NULL)
2875     free(editor_elements);
2876
2877   num_editor_elements = 0;
2878
2879   /* determine size of element list */
2880   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2881   {
2882     if (*editor_elements_info[i].setup_value)
2883     {
2884       if (setup.editor.el_headlines)
2885         num_editor_elements += *editor_elements_info[i].headline_list_size;
2886
2887       num_editor_elements += *editor_elements_info[i].element_list_size;
2888     }
2889   }
2890
2891   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
2892   {
2893     /* workaround: offer at least as many elements as element buttons exist */
2894     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
2895
2896     *editor_elements_info[list_nr].setup_value = TRUE;
2897     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
2898   }
2899
2900   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
2901
2902   /* fill element list */
2903   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2904   {
2905     if (*editor_elements_info[i].setup_value)
2906     {
2907       if (setup.editor.el_headlines)
2908         for (j=0; j < *editor_elements_info[i].headline_list_size; j++)
2909           editor_elements[pos++] = editor_elements_info[i].headline_list[j];
2910
2911       for (j=0; j < *editor_elements_info[i].element_list_size; j++)
2912         editor_elements[pos++] = editor_elements_info[i].element_list[j];
2913     }
2914   }
2915
2916   /* correct position of element list scrollbar */
2917   if (element_shift < 0)
2918     element_shift = 0;
2919   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
2920     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
2921 }
2922
2923 static void ReinitializeElementListButtons()
2924 {
2925   static boolean last_setup_value_headlines = FALSE;
2926   static boolean initialization_needed = TRUE;
2927   int i;
2928
2929   if (!initialization_needed)   /* check if editor element setup has changed */
2930   {
2931     if (last_setup_value_headlines != setup.editor.el_headlines)
2932       initialization_needed = TRUE;
2933
2934     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2935       if (editor_elements_info[i].last_setup_value !=
2936           *editor_elements_info[i].setup_value)
2937         initialization_needed = TRUE;
2938   }
2939
2940   if (!initialization_needed)
2941     return;
2942
2943   FreeLevelEditorGadgets();
2944   CreateLevelEditorGadgets();
2945
2946   /* store current setup values for next invocation of this function */
2947   last_setup_value_headlines = setup.editor.el_headlines;
2948   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2949     editor_elements_info[i].last_setup_value =
2950       *editor_elements_info[i].setup_value;
2951
2952   initialization_needed = FALSE;
2953 }
2954
2955 static int getMaxInfoTextLength()
2956 {
2957   return (SXSIZE / getFontWidth(FONT_TEXT_2));
2958 }
2959
2960 static int getTextWidthForGadget(char *text)
2961 {
2962   if (text == NULL)
2963     return 0;
2964
2965   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
2966 }
2967
2968 static int getTextWidthForDrawingArea(char *text)
2969 {
2970   if (text == NULL)
2971     return 0;
2972
2973   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
2974 }
2975
2976 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
2977 {
2978   return (gi->x + gi->width + getTextWidthForGadget(text));
2979 }
2980
2981 static char *getElementInfoText(int element)
2982 {
2983   char *info_text = NULL;
2984
2985   if (element < NUM_FILE_ELEMENTS)
2986   {
2987     if (strlen(element_info[element].description) > 0)
2988       info_text = element_info[element].description;
2989     else if (element_info[element].custom_description != NULL)
2990       info_text = element_info[element].custom_description;
2991     else if (element_info[element].editor_description != NULL)
2992       info_text = element_info[element].editor_description;
2993   }
2994
2995   if (info_text == NULL)
2996   {
2997     info_text = "unknown";
2998
2999     Error(ERR_WARN, "no element description for element %d", element);
3000   }
3001
3002   return info_text;
3003 }
3004
3005 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
3006                               boolean input)
3007 {
3008   int border_graphic =
3009     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
3010   Bitmap *src_bitmap;
3011   int src_x, src_y;
3012   int num_mini_tilex = width / MINI_TILEX + 1;
3013   int num_mini_tiley = width / MINI_TILEY + 1;
3014   int x, y;
3015
3016   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3017
3018   for (y=0; y < num_mini_tiley; y++)
3019     for (x=0; x < num_mini_tilex; x++)
3020       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3021                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3022                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3023
3024   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3025 }
3026
3027 static void DrawDrawingArea(int id)
3028 {
3029   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
3030   int x, y;
3031
3032   if (id == ED_DRAWING_ID_RANDOM_BACKGROUND)
3033     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3034                        el2edimg(random_placement_background_element));
3035   else if (id == ED_DRAWING_ID_AMOEBA_CONTENT)
3036     DrawMiniGraphicExt(drawto, gi->x, gi->y, el2edimg(level.amoeba_content));
3037   else if (id == ED_DRAWING_ID_CUSTOM_GRAPHIC)
3038     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3039                        el2edimg(custom_element.gfx_element));
3040   else if (id == ED_DRAWING_ID_CUSTOM_CONTENT)
3041     for (y=0; y<3; y++)
3042       for (x=0; x<3; x++)
3043         DrawMiniGraphicExt(drawto,
3044                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3045                            el2edimg(custom_element.content[x][y]));
3046   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TARGET)
3047     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3048                        el2edimg(custom_element_change.target_element));
3049   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT)
3050     for (y=0; y < 3; y++)
3051       for (x=0; x < 3; x++)
3052         DrawMiniGraphicExt(drawto,
3053                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3054                            el2edimg(custom_element_change.content[x][y]));
3055   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER)
3056     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3057                        el2edimg(custom_element_change.trigger_element));
3058   else if (id >= ED_DRAWING_ID_ELEMENT_CONTENT_0 &&
3059            id <= ED_DRAWING_ID_ELEMENT_CONTENT_7)
3060   {
3061     int nr = id - ED_DRAWING_ID_ELEMENT_CONTENT_0;
3062
3063     for (y=0; y < 3; y++)
3064       for (x=0; x < 3; x++)
3065         DrawMiniGraphicExt(drawto,
3066                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3067                            el2edimg(level.yamyam_content[nr][x][y]));
3068   }
3069 }
3070
3071 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
3072 {
3073   int x,y;
3074   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
3075   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
3076
3077   BlitBitmap(drawto, drawto,
3078              SX + (dx == -1 ? MINI_TILEX : 0),
3079              SY + (dy == -1 ? MINI_TILEY : 0),
3080              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
3081              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
3082              SX + (dx == +1 ? MINI_TILEX : 0),
3083              SY + (dy == +1 ? MINI_TILEY : 0));
3084   if (dx)
3085   {
3086     x = (dx == 1 ? 0 : ed_fieldx - 1);
3087     for(y=0; y<ed_fieldy; y++)
3088       DrawMiniElementOrWall(x, y, from_x, from_y);
3089   }
3090   else if (dy)
3091   {
3092     y = (dy == 1 ? 0 : ed_fieldy - 1);
3093     for(x=0; x<ed_fieldx; x++)
3094       DrawMiniElementOrWall(x, y, from_x, from_y);
3095   }
3096
3097   redraw_mask |= REDRAW_FIELD;
3098   BackToFront();
3099 }
3100
3101 static void CreateControlButtons()
3102 {
3103   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3104   struct GadgetInfo *gi;
3105   unsigned long event_mask;
3106   int i;
3107
3108   /* create toolbox buttons */
3109   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
3110   {
3111     int id = i;
3112     int width, height;
3113     int gd_xoffset, gd_yoffset;
3114     int gd_x1, gd_x2, gd_y1, gd_y2;
3115     int button_type;
3116     int radio_button_nr;
3117     boolean checked;
3118
3119     if (id == GADGET_ID_SINGLE_ITEMS ||
3120         id == GADGET_ID_CONNECTED_ITEMS ||
3121         id == GADGET_ID_LINE ||
3122         id == GADGET_ID_ARC ||
3123         id == GADGET_ID_TEXT ||
3124         id == GADGET_ID_RECTANGLE ||
3125         id == GADGET_ID_FILLED_BOX ||
3126         id == GADGET_ID_FLOOD_FILL ||
3127         id == GADGET_ID_GRAB_BRUSH ||
3128         id == GADGET_ID_PICK_ELEMENT)
3129     {
3130       button_type = GD_TYPE_RADIO_BUTTON;
3131       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
3132       checked = (id == drawing_function ? TRUE : FALSE);
3133       event_mask = GD_EVENT_PRESSED;
3134     }
3135     else
3136     {
3137       button_type = GD_TYPE_NORMAL_BUTTON;
3138       radio_button_nr = RADIO_NR_NONE;
3139       checked = FALSE;
3140
3141       if (id == GADGET_ID_WRAP_LEFT ||
3142           id == GADGET_ID_WRAP_RIGHT ||
3143           id == GADGET_ID_WRAP_UP ||
3144           id == GADGET_ID_WRAP_DOWN)
3145         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3146       else
3147         event_mask = GD_EVENT_RELEASED;
3148     }
3149
3150     if (id < ED_NUM_CTRL1_BUTTONS)
3151     {
3152       int x = i % ED_CTRL1_BUTTONS_HORIZ;
3153       int y = i / ED_CTRL1_BUTTONS_HORIZ;
3154
3155       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
3156       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
3157       width = ED_CTRL1_BUTTON_XSIZE;
3158       height = ED_CTRL1_BUTTON_YSIZE;
3159     }
3160     else
3161     {
3162       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
3163       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
3164
3165       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
3166       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
3167       width = ED_CTRL2_BUTTON_XSIZE;
3168       height = ED_CTRL2_BUTTON_YSIZE;
3169     }
3170
3171     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
3172     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
3173     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
3174     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
3175
3176     gi = CreateGadget(GDI_CUSTOM_ID, id,
3177                       GDI_CUSTOM_TYPE_ID, i,
3178                       GDI_INFO_TEXT, control_info[i].text,
3179                       GDI_X, EX + gd_xoffset,
3180                       GDI_Y, EY + gd_yoffset,
3181                       GDI_WIDTH, width,
3182                       GDI_HEIGHT, height,
3183                       GDI_TYPE, button_type,
3184                       GDI_STATE, GD_BUTTON_UNPRESSED,
3185                       GDI_RADIO_NR, radio_button_nr,
3186                       GDI_CHECKED, checked,
3187                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3188                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3189                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3190                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3191                       GDI_EVENT_MASK, event_mask,
3192                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3193                       GDI_CALLBACK_ACTION, HandleControlButtons,
3194                       GDI_END);
3195
3196     if (gi == NULL)
3197       Error(ERR_EXIT, "cannot create gadget");
3198
3199     level_editor_gadget[id] = gi;
3200   }
3201
3202   /* create buttons for scrolling of drawing area and element list */
3203   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
3204   {
3205     int id = scrollbutton_info[i].gadget_id;
3206     int x, y, width, height;
3207     int gd_x1, gd_x2, gd_y1, gd_y2;
3208
3209     x = scrollbutton_info[i].x;
3210     y = scrollbutton_info[i].y;
3211
3212     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3213
3214     if (id == GADGET_ID_SCROLL_LIST_UP ||
3215         id == GADGET_ID_SCROLL_LIST_DOWN)
3216     {
3217       x += DX;
3218       y += DY;
3219       width = ED_SCROLLBUTTON2_XSIZE;
3220       height = ED_SCROLLBUTTON2_YSIZE;
3221       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
3222       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
3223       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
3224       gd_y2 = gd_y1;
3225     }
3226     else
3227     {
3228       x += SX;
3229       y += SY;
3230       width = ED_SCROLLBUTTON_XSIZE;
3231       height = ED_SCROLLBUTTON_YSIZE;
3232       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
3233       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
3234       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
3235       gd_y2 = gd_y1;
3236     }
3237
3238     gi = CreateGadget(GDI_CUSTOM_ID, id,
3239                       GDI_CUSTOM_TYPE_ID, i,
3240                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
3241                       GDI_X, x,
3242                       GDI_Y, y,
3243                       GDI_WIDTH, width,
3244                       GDI_HEIGHT, height,
3245                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3246                       GDI_STATE, GD_BUTTON_UNPRESSED,
3247                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3248                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3249                       GDI_EVENT_MASK, event_mask,
3250                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3251                       GDI_CALLBACK_ACTION, HandleControlButtons,
3252                       GDI_END);
3253
3254     if (gi == NULL)
3255       Error(ERR_EXIT, "cannot create gadget");
3256
3257     level_editor_gadget[id] = gi;
3258   }
3259
3260   /* create buttons for element list */
3261   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3262   {
3263     Bitmap *deco_bitmap;
3264     int deco_x, deco_y, deco_xpos, deco_ypos;
3265     int gd_xoffset, gd_yoffset;
3266     int gd_x1, gd_x2, gd_y;
3267     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
3268     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
3269     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
3270     int element = editor_elements[i];
3271
3272     event_mask = GD_EVENT_RELEASED;
3273
3274     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
3275     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
3276
3277     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
3278     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
3279     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
3280
3281     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
3282     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
3283     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
3284
3285     gi = CreateGadget(GDI_CUSTOM_ID, id,
3286                       GDI_CUSTOM_TYPE_ID, i,
3287                       GDI_INFO_TEXT, getElementInfoText(element),
3288                       GDI_X, DX + gd_xoffset,
3289                       GDI_Y, DY + gd_yoffset,
3290                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
3291                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
3292                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3293                       GDI_STATE, GD_BUTTON_UNPRESSED,
3294                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3295                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3296                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
3297                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
3298                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
3299                       GDI_DECORATION_SHIFTING, 1, 1,
3300                       GDI_EVENT_MASK, event_mask,
3301                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3302                       GDI_CALLBACK_ACTION, HandleControlButtons,
3303                       GDI_END);
3304
3305     if (gi == NULL)
3306       Error(ERR_EXIT, "cannot create gadget");
3307
3308     level_editor_gadget[id] = gi;
3309   }
3310 }
3311
3312 static void CreateCounterButtons()
3313 {
3314   int max_infotext_len = getMaxInfoTextLength();
3315   int i;
3316
3317   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
3318   {
3319     int j;
3320     int x = SX + counterbutton_info[i].x;       /* down count button */
3321     int y = SY + counterbutton_info[i].y;
3322
3323     /* determine horizontal position to the right of specified gadget */
3324     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3325       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
3326            ED_GADGET_TEXT_DISTANCE);
3327
3328     /* determine horizontal offset for leading text */
3329     if (counterbutton_info[i].text_left != NULL)
3330       x += getTextWidthForGadget(counterbutton_info[i].text_left);
3331
3332     for (j=0; j<2; j++)
3333     {
3334       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3335       struct GadgetInfo *gi;
3336       int id = (j == 0 ?
3337                 counterbutton_info[i].gadget_id_down :
3338                 counterbutton_info[i].gadget_id_up);
3339       int gd_xoffset;
3340       int gd_x, gd_x1, gd_x2, gd_y;
3341       int x_size, y_size;
3342       unsigned long event_mask;
3343       char infotext[max_infotext_len + 1];
3344
3345       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3346
3347       if (i == ED_COUNTER_ID_SELECT_LEVEL)
3348       {
3349         int sid = (j == 0 ?
3350                    ED_SCROLLBUTTON_ID_AREA_LEFT :
3351                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
3352
3353         event_mask |= GD_EVENT_RELEASED;
3354
3355         if (j == 1)
3356           x += 2 * ED_GADGET_DISTANCE;
3357         y += ED_GADGET_DISTANCE;
3358
3359         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
3360         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
3361         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
3362         x_size = ED_SCROLLBUTTON_XSIZE;
3363         y_size = ED_SCROLLBUTTON_YSIZE;
3364       }
3365       else
3366       {
3367         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
3368         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
3369         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
3370         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
3371         x_size = ED_BUTTON_COUNT_XSIZE;
3372         y_size = ED_BUTTON_COUNT_YSIZE;
3373       }
3374
3375       sprintf(infotext, "%s counter value by 1, 5 or 10",
3376               (j == 0 ? "decrease" : "increase"));
3377
3378       gi = CreateGadget(GDI_CUSTOM_ID, id,
3379                         GDI_CUSTOM_TYPE_ID, i,
3380                         GDI_INFO_TEXT, infotext,
3381                         GDI_X, x,
3382                         GDI_Y, y,
3383                         GDI_WIDTH, x_size,
3384                         GDI_HEIGHT, y_size,
3385                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3386                         GDI_STATE, GD_BUTTON_UNPRESSED,
3387                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3388                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3389                         GDI_EVENT_MASK, event_mask,
3390                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3391                         GDI_CALLBACK_ACTION, HandleCounterButtons,
3392                         GDI_END);
3393
3394       if (gi == NULL)
3395         Error(ERR_EXIT, "cannot create gadget");
3396
3397       level_editor_gadget[id] = gi;
3398       right_gadget_border[id] =
3399         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
3400
3401       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
3402
3403       if (j == 0)
3404       {
3405         int font_type = FONT_INPUT_1;
3406         int font_type_active = FONT_INPUT_1_ACTIVE;
3407         int gd_width = ED_WIN_COUNT_XSIZE;
3408
3409         id = counterbutton_info[i].gadget_id_text;
3410         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3411
3412         if (i == ED_COUNTER_ID_SELECT_LEVEL)
3413         {
3414           font_type = FONT_LEVEL_NUMBER;
3415           font_type_active = FONT_LEVEL_NUMBER;
3416
3417           x += 2 * ED_GADGET_DISTANCE;
3418           y -= ED_GADGET_DISTANCE;
3419
3420           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
3421           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
3422           gd_width = ED_WIN_COUNT2_XSIZE;
3423         }
3424         else
3425         {
3426           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3427           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3428         }
3429
3430         gi = CreateGadget(GDI_CUSTOM_ID, id,
3431                           GDI_CUSTOM_TYPE_ID, i,
3432                           GDI_INFO_TEXT, "enter counter value",
3433                           GDI_X, x,
3434                           GDI_Y, y,
3435                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
3436                           GDI_NUMBER_VALUE, 0,
3437                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
3438                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
3439                           GDI_TEXT_SIZE, 3,
3440                           GDI_TEXT_FONT, font_type,
3441                           GDI_TEXT_FONT_ACTIVE, font_type_active,
3442                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3443                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3444                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3445                           GDI_DESIGN_WIDTH, gd_width,
3446                           GDI_EVENT_MASK, event_mask,
3447                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3448                           GDI_CALLBACK_ACTION, HandleCounterButtons,
3449                           GDI_END);
3450
3451         if (gi == NULL)
3452           Error(ERR_EXIT, "cannot create gadget");
3453
3454         level_editor_gadget[id] = gi;
3455         right_gadget_border[id] =
3456           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
3457
3458         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
3459       }
3460     }
3461   }
3462 }
3463
3464 static void CreateDrawingAreas()
3465 {
3466   int i;
3467
3468   for (i=0; i<ED_NUM_DRAWING_AREAS; i++)
3469   {
3470     struct GadgetInfo *gi;
3471     unsigned long event_mask;
3472     int id = drawingarea_info[i].gadget_id;
3473     int x = SX + drawingarea_info[i].x;
3474     int y = SY + drawingarea_info[i].y;
3475     int area_xsize = drawingarea_info[i].area_xsize;
3476     int area_ysize = drawingarea_info[i].area_ysize;
3477
3478     event_mask =
3479       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
3480       GD_EVENT_OFF_BORDERS;
3481
3482     /* determine horizontal position to the right of specified gadget */
3483     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
3484       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
3485            ED_DRAWINGAREA_TEXT_DISTANCE);
3486
3487     /* determine horizontal offset for leading text */
3488     if (drawingarea_info[i].text_left != NULL)
3489       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
3490
3491     gi = CreateGadget(GDI_CUSTOM_ID, id,
3492                       GDI_CUSTOM_TYPE_ID, i,
3493                       GDI_X, x,
3494                       GDI_Y, y,
3495                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
3496                       GDI_AREA_SIZE, area_xsize, area_ysize,
3497                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
3498                       GDI_EVENT_MASK, event_mask,
3499                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
3500                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
3501                       GDI_END);
3502
3503     if (gi == NULL)
3504       Error(ERR_EXIT, "cannot create gadget");
3505
3506     level_editor_gadget[id] = gi;
3507     right_gadget_border[id] =
3508       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
3509   }
3510 }
3511
3512 static void CreateTextInputGadgets()
3513 {
3514   int max_infotext_len = getMaxInfoTextLength();
3515   int i;
3516
3517   for (i=0; i<ED_NUM_TEXTINPUT; i++)
3518   {
3519     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3520     int gd_x, gd_y;
3521     struct GadgetInfo *gi;
3522     unsigned long event_mask;
3523     char infotext[MAX_OUTPUT_LINESIZE + 1];
3524     int id = textinput_info[i].gadget_id;
3525
3526     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3527
3528     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3529     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3530
3531     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
3532     infotext[max_infotext_len] = '\0';
3533
3534     gi = CreateGadget(GDI_CUSTOM_ID, id,
3535                       GDI_CUSTOM_TYPE_ID, i,
3536                       GDI_INFO_TEXT, infotext,
3537                       GDI_X, SX + textinput_info[i].x,
3538                       GDI_Y, SY + textinput_info[i].y,
3539                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
3540                       GDI_TEXT_VALUE, textinput_info[i].value,
3541                       GDI_TEXT_SIZE, textinput_info[i].size,
3542                       GDI_TEXT_FONT, FONT_INPUT_1,
3543                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3544                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3545                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3546                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3547                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3548                       GDI_EVENT_MASK, event_mask,
3549                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3550                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
3551                       GDI_END);
3552
3553     if (gi == NULL)
3554       Error(ERR_EXIT, "cannot create gadget");
3555
3556     level_editor_gadget[id] = gi;
3557   }
3558 }
3559
3560 static void CreateTextAreaGadgets()
3561 {
3562   int max_infotext_len = getMaxInfoTextLength();
3563   int i;
3564
3565   for (i=0; i<ED_NUM_TEXTAREAS; i++)
3566   {
3567     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3568     int gd_x, gd_y;
3569     struct GadgetInfo *gi;
3570     unsigned long event_mask;
3571     char infotext[MAX_OUTPUT_LINESIZE + 1];
3572     int id = textarea_info[i].gadget_id;
3573     int area_xsize = textarea_info[i].xsize;
3574     int area_ysize = textarea_info[i].ysize;
3575
3576     event_mask = GD_EVENT_TEXT_LEAVING;
3577
3578     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3579     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3580
3581     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
3582     infotext[max_infotext_len] = '\0';
3583
3584     gi = CreateGadget(GDI_CUSTOM_ID, id,
3585                       GDI_CUSTOM_TYPE_ID, i,
3586                       GDI_INFO_TEXT, infotext,
3587                       GDI_X, SX + textarea_info[i].x,
3588                       GDI_Y, SY + textarea_info[i].y,
3589                       GDI_TYPE, GD_TYPE_TEXT_AREA,
3590                       GDI_AREA_SIZE, area_xsize, area_ysize,
3591                       GDI_TEXT_FONT, FONT_INPUT_1,
3592                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3593                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3594                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3595                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3596                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3597                       GDI_EVENT_MASK, event_mask,
3598                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3599                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
3600                       GDI_END);
3601
3602     if (gi == NULL)
3603       Error(ERR_EXIT, "cannot create gadget");
3604
3605     level_editor_gadget[id] = gi;
3606   }
3607 }
3608
3609 static void CreateSelectboxGadgets()
3610 {
3611   int max_infotext_len = getMaxInfoTextLength();
3612   int i, j;
3613
3614   for (i=0; i<ED_NUM_SELECTBOX; i++)
3615   {
3616     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3617     int gd_x, gd_y;
3618     struct GadgetInfo *gi;
3619     unsigned long event_mask;
3620     char infotext[MAX_OUTPUT_LINESIZE + 1];
3621     int id = selectbox_info[i].gadget_id;
3622     int x = SX + selectbox_info[i].x;
3623     int y = SY + selectbox_info[i].y;
3624
3625     if (selectbox_info[i].size == -1)   /* dynamically determine size */
3626     {
3627       /* (we cannot use -1 for uninitialized values if we directly compare
3628          with results from strlen(), because the '<' and '>' operation will
3629          implicitely cast -1 to an unsigned integer value!) */
3630       selectbox_info[i].size = 0;
3631
3632       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
3633         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
3634           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
3635
3636       selectbox_info[i].size++;         /* add one character empty space */
3637     }
3638
3639     event_mask = GD_EVENT_RELEASED |
3640       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3641
3642     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
3643     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
3644
3645     /* determine horizontal position to the right of specified gadget */
3646     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
3647       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
3648            ED_GADGET_TEXT_DISTANCE);
3649
3650     /* determine horizontal offset for leading text */
3651     if (selectbox_info[i].text_left != NULL)
3652       x += getTextWidthForGadget(selectbox_info[i].text_left);
3653
3654     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
3655     infotext[max_infotext_len] = '\0';
3656
3657     gi = CreateGadget(GDI_CUSTOM_ID, id,
3658                       GDI_CUSTOM_TYPE_ID, i,
3659                       GDI_INFO_TEXT, infotext,
3660                       GDI_X, x,
3661                       GDI_Y, y,
3662                       GDI_TYPE, GD_TYPE_SELECTBOX,
3663                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
3664                       GDI_TEXT_SIZE, selectbox_info[i].size,
3665                       GDI_TEXT_FONT, FONT_INPUT_1,
3666                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3667                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3668                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3669                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3670                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
3671                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3672                       GDI_EVENT_MASK, event_mask,
3673                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3674                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
3675                       GDI_END);
3676
3677     if (gi == NULL)
3678       Error(ERR_EXIT, "cannot create gadget");
3679
3680     level_editor_gadget[id] = gi;
3681     right_gadget_border[id] =
3682       getRightGadgetBorder(gi, selectbox_info[i].text_right);
3683   }
3684 }
3685
3686 static void CreateTextbuttonGadgets()
3687 {
3688   int max_infotext_len = getMaxInfoTextLength();
3689   int i;
3690
3691   for (i=0; i<ED_NUM_TEXTBUTTONS; i++)
3692   {
3693     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3694     int gd_x1, gd_x2, gd_y1, gd_y2;
3695     struct GadgetInfo *gi;
3696     unsigned long event_mask;
3697     char infotext[MAX_OUTPUT_LINESIZE + 1];
3698     int id = textbutton_info[i].gadget_id;
3699     int x = SX + textbutton_info[i].x;
3700     int y = SY + textbutton_info[i].y;
3701
3702     if (textbutton_info[i].size == -1)  /* dynamically determine size */
3703       textbutton_info[i].size = strlen(textbutton_info[i].text);
3704
3705     event_mask = GD_EVENT_RELEASED;
3706
3707     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
3708     {
3709       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
3710       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
3711       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
3712       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
3713     }
3714     else
3715     {
3716       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
3717       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
3718       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
3719       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
3720     }
3721
3722     sprintf(infotext, "%s", textbutton_info[i].infotext);
3723     infotext[max_infotext_len] = '\0';
3724
3725     /* determine horizontal position to the right of specified gadget */
3726     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3727       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
3728            ED_GADGET_TEXT_DISTANCE);
3729
3730     /* determine horizontal offset for leading text */
3731     if (textbutton_info[i].text_left != NULL)
3732       x += getTextWidthForGadget(textbutton_info[i].text_left);
3733
3734     gi = CreateGadget(GDI_CUSTOM_ID, id,
3735                       GDI_CUSTOM_TYPE_ID, i,
3736                       GDI_INFO_TEXT, infotext,
3737                       GDI_X, x,
3738                       GDI_Y, y,
3739                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
3740                       GDI_TEXT_VALUE, textbutton_info[i].text,
3741                       GDI_TEXT_SIZE, textbutton_info[i].size,
3742                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
3743                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
3744                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3745                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3746                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3747                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
3748                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3749                       GDI_DECORATION_SHIFTING, 1, 1,
3750                       GDI_EVENT_MASK, event_mask,
3751                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3752                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
3753                       GDI_END);
3754
3755     if (gi == NULL)
3756       Error(ERR_EXIT, "cannot create gadget");
3757
3758     level_editor_gadget[id] = gi;
3759     right_gadget_border[id] =
3760       getRightGadgetBorder(gi, textbutton_info[i].text_right);
3761   }
3762 }
3763
3764 static void CreateGraphicbuttonGadgets()
3765 {
3766   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3767   struct GadgetInfo *gi;
3768   unsigned long event_mask;
3769   int i;
3770
3771   /* create buttons for scrolling of drawing area and element list */
3772   for (i=0; i < ED_NUM_GRAPHICBUTTONS; i++)
3773   {
3774     int id = graphicbutton_info[i].gadget_id;
3775     int gd_x1, gd_x2, gd_y1, gd_y2;
3776     int x = SX + graphicbutton_info[i].x;
3777     int y = SY + graphicbutton_info[i].y;
3778
3779     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3780
3781     gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
3782     gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
3783     gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
3784     gd_y2 = gd_y1;
3785
3786     /* determine horizontal position to the right of specified gadget */
3787     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3788       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
3789            ED_GADGET_TEXT_DISTANCE);
3790
3791     /* determine horizontal offset for leading text */
3792     if (graphicbutton_info[i].text_left != NULL)
3793       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
3794
3795     gi = CreateGadget(GDI_CUSTOM_ID, id,
3796                       GDI_CUSTOM_TYPE_ID, i,
3797                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
3798                       GDI_X, x,
3799                       GDI_Y, y,
3800                       GDI_WIDTH, graphicbutton_info[i].width,
3801                       GDI_HEIGHT, graphicbutton_info[i].height,
3802                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3803                       GDI_STATE, GD_BUTTON_UNPRESSED,
3804                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3805                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3806                       GDI_EVENT_MASK, event_mask,
3807                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3808                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
3809                       GDI_END);
3810
3811     if (gi == NULL)
3812       Error(ERR_EXIT, "cannot create gadget");
3813
3814     level_editor_gadget[id] = gi;
3815     right_gadget_border[id] =
3816       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
3817   }
3818 }
3819
3820 static void CreateScrollbarGadgets()
3821 {
3822   int i;
3823
3824   for (i=0; i<ED_NUM_SCROLLBARS; i++)
3825   {
3826     int id = scrollbar_info[i].gadget_id;
3827     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3828     int gd_x1, gd_x2, gd_y1, gd_y2;
3829     struct GadgetInfo *gi;
3830     int items_max, items_visible, item_position;
3831     unsigned long event_mask;
3832
3833     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
3834     {
3835       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
3836       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
3837       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
3838     }
3839     else        /* drawing area scrollbars */
3840     {
3841       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
3842       {
3843         items_max = MAX(lev_fieldx + 2, ed_fieldx);
3844         items_visible = ed_fieldx;
3845         item_position = 0;
3846       }
3847       else
3848       {
3849         items_max = MAX(lev_fieldy + 2, ed_fieldy);
3850         items_visible = ed_fieldy;
3851         item_position = 0;
3852       }
3853     }
3854
3855     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
3856
3857     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
3858     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
3859                       scrollbar_info[i].height : scrollbar_info[i].width));
3860     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3861     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3862
3863     gi = CreateGadget(GDI_CUSTOM_ID, id,
3864                       GDI_CUSTOM_TYPE_ID, i,
3865                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
3866                       GDI_X, scrollbar_info[i].x,
3867                       GDI_Y, scrollbar_info[i].y,
3868                       GDI_WIDTH, scrollbar_info[i].width,
3869                       GDI_HEIGHT, scrollbar_info[i].height,
3870                       GDI_TYPE, scrollbar_info[i].type,
3871                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
3872                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3873                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
3874                       GDI_STATE, GD_BUTTON_UNPRESSED,
3875                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3876                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3877                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3878                       GDI_EVENT_MASK, event_mask,
3879                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3880                       GDI_CALLBACK_ACTION, HandleControlButtons,
3881                       GDI_END);
3882
3883     if (gi == NULL)
3884       Error(ERR_EXIT, "cannot create gadget");
3885
3886     level_editor_gadget[id] = gi;
3887   }
3888 }
3889
3890 static void CreateCheckbuttonGadgets()
3891 {
3892   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3893   struct GadgetInfo *gi;
3894   unsigned long event_mask;
3895   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3896   int i;
3897
3898   event_mask = GD_EVENT_PRESSED;
3899
3900   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3901   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3902   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3903   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3904   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3905
3906   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
3907   {
3908     int id = checkbutton_info[i].gadget_id;
3909     int x = SX + checkbutton_info[i].x;
3910     int y = SY + checkbutton_info[i].y;
3911
3912     if (id == GADGET_ID_STICK_ELEMENT)
3913       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
3914     else
3915       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
3916
3917     /* determine horizontal position to the right of specified gadget */
3918     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3919       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
3920            ED_GADGET_TEXT_DISTANCE);
3921
3922     /* determine horizontal offset for leading text */
3923     if (checkbutton_info[i].text_left != NULL)
3924       x += getTextWidthForGadget(checkbutton_info[i].text_left);
3925
3926     gi = CreateGadget(GDI_CUSTOM_ID, id,
3927                       GDI_CUSTOM_TYPE_ID, i,
3928                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
3929                       GDI_X, x,
3930                       GDI_Y, y,
3931                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3932                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3933                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
3934                       GDI_CHECKED, *checkbutton_info[i].value,
3935                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3936                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3937                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3938                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3939                       GDI_EVENT_MASK, event_mask,
3940                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3941                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
3942                       GDI_END);
3943
3944     if (gi == NULL)
3945       Error(ERR_EXIT, "cannot create gadget");
3946
3947     level_editor_gadget[id] = gi;
3948     right_gadget_border[id] =
3949       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
3950   }
3951 }
3952
3953 static void CreateRadiobuttonGadgets()
3954 {
3955   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3956   struct GadgetInfo *gi;
3957   unsigned long event_mask;
3958   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3959   int i;
3960
3961   event_mask = GD_EVENT_PRESSED;
3962
3963   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3964   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3965   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3966   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3967   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3968
3969   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
3970   {
3971     int id = radiobutton_info[i].gadget_id;
3972     int x = SX + radiobutton_info[i].x;
3973     int y = SY + radiobutton_info[i].y;
3974
3975     int checked =
3976       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3977
3978     /* determine horizontal position to the right of specified gadget */
3979     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
3980       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
3981            ED_GADGET_TEXT_DISTANCE);
3982
3983     /* determine horizontal offset for leading text */
3984     if (radiobutton_info[i].text_left != NULL)
3985       x += getTextWidthForGadget(radiobutton_info[i].text_left);
3986
3987     gi = CreateGadget(GDI_CUSTOM_ID, id,
3988                       GDI_CUSTOM_TYPE_ID, i,
3989                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
3990                       GDI_X, x,
3991                       GDI_Y, y,
3992                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3993                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3994                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
3995                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
3996                       GDI_CHECKED, checked,
3997                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3998                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3999                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
4000                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
4001                       GDI_EVENT_MASK, event_mask,
4002                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4003                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
4004                       GDI_END);
4005
4006     if (gi == NULL)
4007       Error(ERR_EXIT, "cannot create gadget");
4008
4009     level_editor_gadget[id] = gi;
4010     right_gadget_border[id] =
4011       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
4012   }
4013 }
4014
4015 void CreateLevelEditorGadgets()
4016 {
4017   int old_game_status = game_status;
4018
4019   /* setting 'game_status' is needed to get the right fonts for the editor */
4020   game_status = GAME_MODE_EDITOR;
4021
4022   ReinitializeElementList();
4023
4024   CreateControlButtons();
4025   CreateScrollbarGadgets();
4026
4027   /* order of function calls is important because of cross-references */
4028   CreateCheckbuttonGadgets();
4029   CreateCounterButtons();
4030   CreateRadiobuttonGadgets();
4031   CreateTextInputGadgets();
4032   CreateTextAreaGadgets();
4033   CreateSelectboxGadgets();
4034   CreateGraphicbuttonGadgets();
4035   CreateTextbuttonGadgets();
4036   CreateDrawingAreas();
4037
4038   game_status = old_game_status;
4039 }
4040
4041 void FreeLevelEditorGadgets()
4042 {
4043   int i;
4044
4045   for (i=0; i<NUM_EDITOR_GADGETS; i++)
4046     FreeGadget(level_editor_gadget[i]);
4047 }
4048
4049 static void MapCounterButtons(int id)
4050 {
4051   int gadget_id_down = counterbutton_info[id].gadget_id_down;
4052   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
4053   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
4054   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
4055 #if 0
4056   char infotext[MAX_OUTPUT_LINESIZE + 1];
4057   int max_infotext_len = getMaxInfoTextLength();
4058   int xoffset_left = 0;
4059   int yoffset_left = ED_BORDER_SIZE;
4060   int xoffset_right = getCounterGadgetWidth();
4061   int yoffset_right = ED_BORDER_SIZE;
4062 #else
4063   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
4064   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4065   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
4066   int yoffset = ED_BORDER_SIZE;
4067   int x_left = gi_down->x - xoffset_left;
4068   int x_right = gi_up->x + gi_up->width + xoffset_right;
4069   int y_above = gi_down->y - yoffset_above;
4070   int x = gi_down->x;
4071   int y = gi_up->y + yoffset;
4072 #endif
4073
4074   if (counterbutton_info[id].text_above)
4075     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
4076
4077   if (counterbutton_info[id].text_left)
4078     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
4079
4080   if (counterbutton_info[id].text_right)
4081     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
4082
4083   ModifyEditorCounter(id, *counterbutton_info[id].value);
4084
4085   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
4086   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
4087   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
4088 }
4089
4090 static void MapControlButtons()
4091 {
4092   int counter_id;
4093   int i;
4094
4095   /* map toolbox buttons */
4096   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
4097     MapGadget(level_editor_gadget[i]);
4098
4099   /* map buttons to select elements */
4100   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4101     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
4102   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
4103   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
4104   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
4105
4106   /* map buttons to select level */
4107   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
4108   ModifyEditorCounterLimits(counter_id,
4109                             leveldir_current->first_level,
4110                             leveldir_current->last_level);
4111   MapCounterButtons(counter_id);
4112 }
4113
4114 static void MapDrawingArea(int id)
4115 {
4116   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
4117   int area_xsize = gi->drawing.area_xsize;
4118   int area_ysize = gi->drawing.area_ysize;
4119   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
4120   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
4121   int x_left  = gi->x - xoffset_left;
4122   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
4123   int x_below = gi->x + (gi->width - xoffset_below) / 2;
4124   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
4125   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
4126
4127   if (drawingarea_info[id].text_left)
4128     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
4129
4130   if (drawingarea_info[id].text_right)
4131     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
4132
4133   if (drawingarea_info[id].text_below)
4134     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
4135
4136   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
4137   {
4138     DrawElementBorder(gi->x, gi->y,
4139                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
4140
4141     DrawDrawingArea(id);
4142   }
4143
4144   MapGadget(gi);
4145 }
4146
4147 static void MapTextInputGadget(int id)
4148 {
4149   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
4150   int xoffset_above = 0;
4151   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
4152   int x_above = textinput_info[id].x + xoffset_above;
4153   int y_above = textinput_info[id].y + yoffset_above;
4154
4155   if (textinput_info[id].text_above)
4156     DrawTextF(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
4157
4158   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
4159
4160   MapGadget(gi);
4161 }
4162
4163 static void MapTextAreaGadget(int id)
4164 {
4165   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
4166   int xoffset_above = 0;
4167   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
4168   int x_above = textarea_info[id].x + xoffset_above;
4169   int y_above = textarea_info[id].y + yoffset_above;
4170
4171   if (textarea_info[id].text_above)
4172     DrawTextF(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
4173
4174   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
4175
4176   MapGadget(gi);
4177 }
4178
4179 static void MapSelectboxGadget(int id)
4180 {
4181   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
4182   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
4183   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4184   int yoffset = ED_BORDER_SIZE;
4185   int x_left = gi->x - xoffset_left;
4186   int x_right = gi->x + gi->width + xoffset_right;
4187   int y = gi->y + yoffset;
4188
4189   if (selectbox_info[id].text_left)
4190     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
4191
4192   if (selectbox_info[id].text_right)
4193     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
4194
4195   ModifyEditorSelectbox(id, *selectbox_info[id].value);
4196
4197   MapGadget(gi);
4198 }
4199
4200 static void MapTextbuttonGadget(int id)
4201 {
4202   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
4203   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
4204   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4205   int yoffset = ED_BORDER_SIZE;
4206   int x_left = gi->x - xoffset_left;
4207   int x_right = gi->x + gi->width + xoffset_right;
4208   int y = gi->y + yoffset;
4209
4210   /* only show button to delete change pages when more than minimum pages */
4211   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
4212       custom_element.num_change_pages == MIN_CHANGE_PAGES)
4213     return;
4214
4215   if (textbutton_info[id].text_left)
4216     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
4217
4218   if (textbutton_info[id].text_right)
4219     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
4220
4221   MapGadget(gi);
4222 }
4223
4224 static void MapGraphicbuttonGadget(int id)
4225 {
4226   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
4227   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
4228   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4229   int yoffset = ED_BORDER_SIZE;
4230   int x_left = gi->x - xoffset_left;
4231   int x_right = gi->x + gi->width + xoffset_right;
4232   int y = gi->y + yoffset;
4233
4234   if (graphicbutton_info[id].text_left)
4235     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
4236
4237   if (graphicbutton_info[id].text_right)
4238     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
4239
4240   MapGadget(gi);
4241 }
4242
4243 static void MapRadiobuttonGadget(int id)
4244 {
4245   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
4246   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
4247   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4248   int yoffset = ED_BORDER_SIZE;
4249   int x_left = gi->x - xoffset_left;
4250   int x_right = gi->x + gi->width + xoffset_right;
4251   int y = gi->y + yoffset;
4252   boolean checked =
4253     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
4254
4255   if (radiobutton_info[id].text_left)
4256     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
4257
4258   if (radiobutton_info[id].text_right)
4259     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
4260
4261   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
4262
4263   MapGadget(gi);
4264 }
4265
4266 static void MapCheckbuttonGadget(int id)
4267 {
4268   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
4269   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
4270   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4271   int yoffset = ED_BORDER_SIZE;
4272   int x_left = gi->x - xoffset_left;
4273   int x_right = gi->x + gi->width + xoffset_right;
4274   int y = gi->y + yoffset;
4275
4276   /* special case needed for "sticky" gadget */
4277   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value,
4278                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
4279   y = gi->y + yoffset;
4280
4281   if (checkbutton_info[id].text_left)
4282     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
4283
4284   if (checkbutton_info[id].text_right)
4285     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
4286
4287   MapGadget(gi);
4288 }
4289
4290 static void MapMainDrawingArea()
4291 {
4292   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
4293   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
4294   int i;
4295
4296   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
4297   {
4298     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
4299           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
4300          no_horizontal_scrollbar) ||
4301         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
4302           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
4303          no_vertical_scrollbar))
4304       continue;
4305
4306     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
4307   }
4308
4309   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
4310   {
4311     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
4312         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
4313       continue;
4314
4315     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
4316   }
4317
4318   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
4319 }
4320
4321 static void UnmapDrawingArea(int id)
4322 {
4323   UnmapGadget(level_editor_gadget[id]);
4324 }
4325
4326 void UnmapLevelEditorWindowGadgets()
4327 {
4328   int i;
4329
4330   for (i=0; i<NUM_EDITOR_GADGETS; i++)
4331     if (level_editor_gadget[i]->x < SX + SXSIZE)
4332       UnmapGadget(level_editor_gadget[i]);
4333 }
4334
4335 void UnmapLevelEditorGadgets()
4336 {
4337   int i;
4338
4339   for (i=0; i<NUM_EDITOR_GADGETS; i++)
4340     UnmapGadget(level_editor_gadget[i]);
4341 }
4342
4343 static void ResetUndoBuffer()
4344 {
4345   undo_buffer_position = -1;
4346   undo_buffer_steps = -1;
4347   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4348 }
4349
4350 static void DrawEditModeWindow()
4351 {
4352   ModifyEditorElementList();
4353   RedrawDrawingElements();
4354
4355   if (edit_mode == ED_MODE_INFO)
4356     DrawLevelInfoWindow();
4357   else if (edit_mode == ED_MODE_PROPERTIES)
4358     DrawPropertiesWindow();
4359   else  /* edit_mode == ED_MODE_DRAWING */
4360     DrawDrawingWindow();
4361 }
4362
4363 static boolean LevelChanged()
4364 {
4365   boolean level_changed = FALSE;
4366   int x, y;
4367
4368   for(y=0; y<lev_fieldy; y++)
4369     for(x=0; x<lev_fieldx; x++)
4370       if (Feld[x][y] != level.field[x][y])
4371         level_changed = TRUE;
4372
4373   return level_changed;
4374 }
4375
4376 static boolean LevelContainsPlayer()
4377 {
4378   boolean player_found = FALSE;
4379   int x, y;
4380
4381   for(y=0; y<lev_fieldy; y++)
4382     for(x=0; x<lev_fieldx; x++)
4383       if (Feld[x][y] == EL_PLAYER_1 ||
4384           Feld[x][y] == EL_SP_MURPHY)
4385         player_found = TRUE;
4386
4387   return player_found;
4388 }
4389
4390 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
4391                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
4392 {
4393   int x, y;
4394
4395   for(x=0; x<lev_fieldx; x++)
4396     for(y=0; y<lev_fieldy; y++)
4397       dst[x][y] = src[x][y];
4398 }
4399
4400 static int setSelectboxValue(int selectbox_id, int new_value)
4401 {
4402   int new_index_value = 0;
4403   int i;
4404
4405   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
4406     if (selectbox_info[selectbox_id].options[i].value == new_value)
4407       new_index_value = i;
4408
4409   *selectbox_info[selectbox_id].value =
4410     selectbox_info[selectbox_id].options[new_index_value].value;
4411
4412   return new_index_value;
4413 }
4414
4415 static void CopyCustomElementPropertiesToEditor(int element)
4416 {
4417   int i;
4418   int current_change_page = element_info[element].current_change_page;
4419
4420   /* dynamically (re)build selectbox for selecting change page */
4421   for (i=0; i < element_info[element].num_change_pages; i++)
4422   {
4423     sprintf(options_change_page_strings[i], "%d", i + 1);
4424
4425     options_change_page[i].value = i;
4426     options_change_page[i].text = options_change_page_strings[i];
4427   }
4428
4429   options_change_page[i].value = -1;
4430   options_change_page[i].text = NULL;
4431
4432   /* needed here to initialize combined element properties */
4433   InitElementPropertiesEngine(level.game_version);
4434
4435   element_info[element].change =
4436     &element_info[element].change_page[current_change_page];
4437
4438   custom_element = element_info[element];
4439   custom_element_change = *element_info[element].change;
4440
4441   /* needed to initially set selectbox value variables to reliable defaults */
4442   for (i=0; i < ED_NUM_SELECTBOX; i++)
4443     setSelectboxValue(i, *selectbox_info[i].value);
4444
4445   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
4446     custom_element_properties[i] = HAS_PROPERTY(element, i);
4447
4448   for (i=0; i < NUM_CHANGE_EVENTS; i++)
4449     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
4450
4451   /* ---------- element settings: configure (custom elements) ------------- */
4452
4453   /* set accessible layer selectbox help value */
4454   custom_element.access_type =
4455     (IS_WALKABLE(element) ? EP_WALKABLE :
4456      IS_PASSABLE(element) ? EP_PASSABLE :
4457      custom_element.access_type);
4458   custom_element.access_layer =
4459     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
4460      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
4461      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
4462      custom_element.access_layer);
4463   custom_element_properties[EP_ACCESSIBLE] =
4464     (IS_ACCESSIBLE_OVER(element) ||
4465      IS_ACCESSIBLE_INSIDE(element) ||
4466      IS_ACCESSIBLE_UNDER(element));
4467
4468   /* set walk-to-object action selectbox help value */
4469   custom_element.walk_to_action =
4470     (IS_DIGGABLE(element) ? EP_DIGGABLE :
4471      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
4472      IS_DROPPABLE(element) ? EP_DROPPABLE :
4473      IS_PUSHABLE(element) ? EP_PUSHABLE :
4474      custom_element.walk_to_action);
4475   custom_element_properties[EP_WALK_TO_OBJECT] =
4476     (IS_DIGGABLE(element) ||
4477      IS_COLLECTIBLE_ONLY(element) ||
4478      IS_DROPPABLE(element) ||
4479      IS_PUSHABLE(element));
4480
4481   /* set smash targets selectbox help value */
4482   custom_element.smash_targets =
4483     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
4484      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
4485      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
4486      custom_element.smash_targets);
4487   custom_element_properties[EP_CAN_SMASH] =
4488     (CAN_SMASH_EVERYTHING(element) ||
4489      CAN_SMASH_ENEMIES(element) ||
4490      CAN_SMASH_PLAYER(element));
4491
4492   /* set deadliness selectbox help value */
4493   custom_element.deadliness =
4494     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
4495      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
4496      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
4497      custom_element.deadliness);
4498   custom_element_properties[EP_DEADLY] =
4499     (DONT_TOUCH(element) ||
4500      DONT_COLLIDE_WITH(element) ||
4501      DONT_RUN_INTO(element));
4502
4503   /* set consistency selectbox help value */
4504   custom_element.consistency =
4505     (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
4506      CAN_EXPLODE_1X1(element) ? EP_CAN_EXPLODE_1X1 :
4507      CAN_EXPLODE_3X3(element) ? EP_CAN_EXPLODE_3X3 :
4508      custom_element.consistency);
4509   custom_element_properties[EP_EXPLODE_RESULT] =
4510     (IS_INDESTRUCTIBLE(element) ||
4511      CAN_EXPLODE_1X1(element) ||
4512      CAN_EXPLODE_3X3(element));
4513
4514   /* special case: sub-settings dependent from main setting */
4515   if (CAN_EXPLODE_BY_FIRE(element))
4516     custom_element.can_explode_by_fire = TRUE;
4517   if (CAN_EXPLODE_SMASHED(element))
4518     custom_element.can_explode_smashed = TRUE;
4519   if (CAN_EXPLODE_IMPACT(element))
4520     custom_element.can_explode_impact  = TRUE;
4521
4522   /* ---------- element settings: advanced (custom elements) --------------- */
4523
4524   /* set "change by direct action" selectbox help value */
4525   custom_element_change.direct_action =
4526     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
4527      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
4528      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
4529      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
4530      HAS_CHANGE_EVENT(element, CE_COLLISION) ? CE_COLLISION :
4531      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
4532      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
4533      custom_element_change.direct_action);
4534
4535   /* set "change by other element action" selectbox help value */
4536   custom_element_change.other_action =
4537     (
4538      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
4539      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
4540      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
4541      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
4542      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DROPPED) ? CE_OTHER_GETS_DROPPED :
4543      HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
4544      HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
4545      HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
4546      custom_element_change.other_action);
4547 }
4548
4549 static void CopyCustomElementPropertiesToGame(int element)
4550 {
4551   int i;
4552   int access_type_and_layer;
4553
4554   /* mark that this custom element has been modified */
4555   custom_element.modified_settings = TRUE;
4556
4557   if (level.use_custom_template)
4558   {
4559     if (Request("Copy and modify level tem- plate ?", REQ_ASK))
4560     {
4561       level.use_custom_template = FALSE;
4562       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
4563                    GDI_CHECKED, FALSE, GDI_END);
4564     }
4565     else
4566     {
4567       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
4568
4569       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
4570     }
4571   }
4572
4573   element_info[element] = custom_element;
4574   *element_info[element].change = custom_element_change;
4575
4576   /* ---------- element settings: configure (custom elements) ------------- */
4577
4578   /* set accessible property from checkbox and selectbox */
4579   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
4580   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
4581   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
4582   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
4583   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
4584   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
4585   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
4586                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
4587                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
4588   custom_element_properties[access_type_and_layer] =
4589     custom_element_properties[EP_ACCESSIBLE];
4590
4591   /* set walk-to-object property from checkbox and selectbox */
4592   custom_element_properties[EP_DIGGABLE] = FALSE;
4593   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
4594   custom_element_properties[EP_DROPPABLE] = FALSE;
4595   custom_element_properties[EP_PUSHABLE] = FALSE;
4596   custom_element_properties[custom_element.walk_to_action] =
4597     custom_element_properties[EP_WALK_TO_OBJECT];
4598
4599   /* set smash property from checkbox and selectbox */
4600   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
4601   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
4602   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
4603   custom_element_properties[custom_element.smash_targets] =
4604     custom_element_properties[EP_CAN_SMASH];
4605
4606   /* set deadliness property from checkbox and selectbox */
4607   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
4608   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
4609   custom_element_properties[EP_DONT_TOUCH] = FALSE;
4610   custom_element_properties[custom_element.deadliness] =
4611     custom_element_properties[EP_DEADLY];
4612
4613   /* set consistency property from checkbox and selectbox */
4614   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
4615   custom_element_properties[EP_CAN_EXPLODE_1X1] = FALSE;
4616   custom_element_properties[EP_CAN_EXPLODE_3X3] = FALSE;
4617   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
4618   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
4619   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
4620   custom_element_properties[custom_element.consistency] =
4621     custom_element_properties[EP_EXPLODE_RESULT];
4622
4623   /* special case: sub-settings dependent from main setting */
4624   if (custom_element_properties[EP_CAN_EXPLODE_3X3] ||
4625       custom_element_properties[EP_CAN_EXPLODE_1X1])
4626   {
4627     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
4628       custom_element.can_explode_by_fire;
4629     custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
4630       custom_element.can_explode_smashed;
4631     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
4632       custom_element.can_explode_impact;
4633   }
4634
4635   /* ---------- element settings: advanced (custom elements) --------------- */
4636
4637   /* set player change event from checkbox and selectbox */
4638   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
4639   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
4640   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
4641   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
4642   custom_element_change_events[CE_COLLISION] = FALSE;
4643   custom_element_change_events[CE_IMPACT] = FALSE;
4644   custom_element_change_events[CE_SMASHED] = FALSE;
4645   custom_element_change_events[custom_element_change.direct_action] =
4646     custom_element_change_events[CE_BY_DIRECT_ACTION];
4647
4648   /* set other element action change event from checkbox and selectbox */
4649   custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
4650   custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
4651   custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
4652   custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
4653   custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
4654   custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
4655   custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
4656   custom_element_change_events[CE_OTHER_GETS_DROPPED] = FALSE;
4657   custom_element_change_events[custom_element_change.other_action] =
4658     custom_element_change_events[CE_BY_OTHER_ACTION];
4659
4660   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
4661     SET_PROPERTY(element, i, custom_element_properties[i]);
4662
4663   for (i=0; i < NUM_CHANGE_EVENTS; i++)
4664     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
4665
4666   /* copy change events also to special level editor variable */
4667   custom_element = element_info[element];
4668   custom_element_change = *element_info[element].change;
4669 }
4670
4671 void DrawLevelEd()
4672 {
4673   CloseDoor(DOOR_CLOSE_ALL);
4674   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
4675
4676   if (level_editor_test_game)
4677   {
4678     CopyPlayfield(level.field, Feld);
4679     CopyPlayfield(FieldBackup, level.field);
4680
4681     level_editor_test_game = FALSE;
4682   }
4683   else
4684   {
4685     edit_mode = ED_MODE_DRAWING;
4686     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
4687
4688     ResetUndoBuffer();
4689
4690     level_xpos = -1;
4691     level_ypos = -1;
4692   }
4693
4694   /* copy default editor door content to main double buffer */
4695   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
4696              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
4697
4698 #if 0
4699   /* draw mouse button brush elements */
4700   RedrawDrawingElements();
4701 #endif
4702
4703   /* draw bigger door */
4704   DrawSpecialEditorDoor();
4705
4706   /* draw new control window */
4707   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
4708              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
4709
4710   redraw_mask |= REDRAW_ALL;
4711
4712   ReinitializeElementListButtons();     /* only needed after setup changes */
4713 #if 0
4714   ModifyEditorElementList();            /* may be needed for custom elements */
4715 #endif
4716
4717   UnmapTapeButtons();
4718   MapControlButtons();
4719
4720   DrawEditModeWindow();
4721
4722   /* copy actual editor door content to door double buffer for OpenDoor() */
4723   BlitBitmap(drawto, bitmap_db_door,
4724              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
4725
4726   OpenDoor(DOOR_OPEN_1);
4727 }
4728
4729 static void AdjustDrawingAreaGadgets()
4730 {
4731   int ed_xsize = lev_fieldx + 2;
4732   int ed_ysize = lev_fieldy + 2;
4733   int max_ed_fieldx = MAX_ED_FIELDX;
4734   int max_ed_fieldy = MAX_ED_FIELDY;
4735   boolean horizontal_scrollbar_needed;
4736   boolean vertical_scrollbar_needed;
4737   int x, y, width, height;
4738   int xoffset, yoffset;
4739
4740   /* check if we need any scrollbars */
4741   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
4742   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
4743
4744   /* check if we have a smaller editor field because of scrollbars */
4745   if (horizontal_scrollbar_needed)
4746     max_ed_fieldy = MAX_ED_FIELDY - 1;
4747   if (vertical_scrollbar_needed)
4748     max_ed_fieldx = MAX_ED_FIELDX - 1;
4749
4750   /* check again if we now need more scrollbars because of less space */
4751   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
4752   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
4753
4754   /* check if editor field gets even smaller after adding new scrollbars */
4755   if (horizontal_scrollbar_needed)
4756     max_ed_fieldy = MAX_ED_FIELDY - 1;
4757   if (vertical_scrollbar_needed)
4758     max_ed_fieldx = MAX_ED_FIELDX - 1;
4759
4760   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
4761   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
4762
4763   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
4764                GDI_WIDTH, ed_fieldx * MINI_TILEX,
4765                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
4766                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
4767                GDI_END);
4768
4769   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
4770   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
4771
4772   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
4773   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
4774
4775   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
4776   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
4777
4778   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
4779   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
4780
4781   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4782                GDI_WIDTH, width,
4783                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
4784                GDI_END);
4785   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4786                GDI_HEIGHT, height,
4787                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
4788                GDI_END);
4789 }
4790
4791 static void AdjustLevelScrollPosition()
4792 {
4793   if (level_xpos < -1)
4794     level_xpos = -1;
4795   if (level_xpos > lev_fieldx - ed_fieldx + 1)
4796     level_xpos = lev_fieldx - ed_fieldx + 1;
4797   if (lev_fieldx < ed_fieldx - 2)
4798     level_xpos = -1;
4799
4800   if (level_ypos < -1)
4801     level_ypos = -1;
4802   if (level_ypos > lev_fieldy - ed_fieldy + 1)
4803     level_ypos = lev_fieldy - ed_fieldy + 1;
4804   if (lev_fieldy < ed_fieldy - 2)
4805     level_ypos = -1;
4806 }
4807
4808 static void AdjustEditorScrollbar(int id)
4809 {
4810   struct GadgetInfo *gi = level_editor_gadget[id];
4811   int items_max, items_visible, item_position;
4812
4813   if (id == GADGET_ID_SCROLL_HORIZONTAL)
4814   {
4815     items_max = MAX(lev_fieldx + 2, ed_fieldx);
4816     items_visible = ed_fieldx;
4817     item_position = level_xpos + 1;
4818   }
4819   else
4820   {
4821     items_max = MAX(lev_fieldy + 2, ed_fieldy);
4822     items_visible = ed_fieldy;
4823     item_position = level_ypos + 1;
4824   }
4825
4826   if (item_position > items_max - items_visible)
4827     item_position = items_max - items_visible;
4828
4829   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
4830                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
4831 }
4832
4833 static void ModifyEditorCounter(int counter_id, int new_value)
4834 {
4835   int *counter_value = counterbutton_info[counter_id].value;
4836   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4837   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4838
4839   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
4840
4841   if (counter_value != NULL)
4842     *counter_value = gi->textinput.number_value;
4843 }
4844
4845 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
4846 {
4847   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4848   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4849
4850   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
4851 }
4852
4853 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
4854 {
4855   int gadget_id = selectbox_info[selectbox_id].gadget_id;
4856   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4857   int new_index_value = setSelectboxValue(selectbox_id, new_value);
4858
4859   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
4860 }
4861
4862 static void ModifyEditorElementList()
4863 {
4864   int i;
4865
4866   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4867   {
4868     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4869     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4870     struct GadgetDesign *gd = &gi->deco.design;
4871     int element = editor_elements[element_shift + i];
4872
4873     UnmapGadget(gi);
4874     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
4875     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4876     MapGadget(gi);
4877   }
4878 }
4879
4880 static void PickDrawingElement(int button, int element)
4881 {
4882   if (button < 1 || button > 3)
4883     return;
4884
4885   if (button == 1)
4886   {
4887     new_element1 = element;
4888     DrawMiniGraphicExt(drawto,
4889                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
4890                        el2edimg(new_element1));
4891   }
4892   else if (button == 2)
4893   {
4894     new_element2 = element;
4895     DrawMiniGraphicExt(drawto,
4896                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
4897                        el2edimg(new_element2));
4898   }
4899   else
4900   {
4901     new_element3 = element;
4902     DrawMiniGraphicExt(drawto,
4903                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
4904                        el2edimg(new_element3));
4905   }
4906
4907   redraw_mask |= REDRAW_DOOR_1;
4908 }
4909
4910 static void RedrawDrawingElements()
4911 {
4912   PickDrawingElement(1, new_element1);
4913   PickDrawingElement(2, new_element2);
4914   PickDrawingElement(3, new_element3);
4915 }
4916
4917 static void DrawDrawingWindow()
4918 {
4919   stick_element_properties_window = FALSE;
4920
4921   SetMainBackgroundImage(IMG_UNDEFINED);
4922   ClearWindow();
4923   UnmapLevelEditorWindowGadgets();
4924
4925   AdjustDrawingAreaGadgets();
4926   AdjustLevelScrollPosition();
4927   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
4928   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
4929
4930   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4931   MapMainDrawingArea();
4932 }
4933
4934 static void DrawLevelInfoWindow()
4935 {
4936   int i;
4937
4938   stick_element_properties_window = FALSE;
4939
4940   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4941   ClearWindow();
4942   UnmapLevelEditorWindowGadgets();
4943
4944   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4945            "Level Settings", FONT_TITLE_1);
4946   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
4947            "Editor Settings", FONT_TITLE_1);
4948
4949   /* draw counter gadgets */
4950   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
4951     MapCounterButtons(i);
4952
4953   /* draw checkbutton gadgets */
4954   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
4955     MapCheckbuttonGadget(i);
4956
4957   /* draw radiobutton gadgets */
4958   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
4959     MapRadiobuttonGadget(i);
4960
4961   /* draw text input gadgets */
4962   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
4963     MapTextInputGadget(i);
4964
4965   /* draw drawing area */
4966   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
4967 }
4968
4969 static void DrawCustomContentArea()
4970 {
4971   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
4972   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
4973   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
4974   int x2 = right_gadget_border[GADGET_ID_CUSTOM_CONSISTENCY];
4975   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
4976   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
4977
4978   /* add distance for potential left text (without drawing area border) */
4979   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
4980
4981   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
4982
4983   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
4984 }
4985
4986 static void DrawCustomChangeContentArea()
4987 {
4988   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
4989   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
4990   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
4991   int x2 = right_gadget_border[GADGET_ID_CHANGE_POWER];
4992   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
4993   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
4994
4995   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
4996
4997   MapDrawingArea(id);
4998 }
4999
5000 static void DrawElementContentAreas()
5001 {
5002   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
5003   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
5004   int i;
5005
5006   /* display counter to choose number of element content areas */
5007   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
5008
5009   for (i=0; i < MAX_ELEMENT_CONTENTS; i++)
5010   {
5011     int id = ED_DRAWING_ID_ELEMENT_CONTENT_0 + i;
5012     int font_height = getFontHeight(FONT_TEXT_1);
5013
5014     if (i < level.num_yamyam_contents)
5015       MapDrawingArea(id);
5016     else
5017     {
5018       UnmapDrawingArea(id);
5019
5020       /* delete content areas in case of reducing number of them */
5021       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
5022                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
5023                      4 * MINI_TILEX,
5024                      4 * MINI_TILEX + ED_GADGET_TEXT_DISTANCE + font_height);
5025     }
5026   }
5027
5028   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
5029   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
5030   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
5031 }
5032
5033 static void DrawEnvelopeTextArea()
5034 {
5035   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
5036   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
5037
5038   UnmapGadget(gi);
5039   DrawBackground(gi->x, gi->y, gi->width, gi->height);
5040
5041   ModifyGadget(gi, GDI_AREA_SIZE, level.envelope_xsize, level.envelope_ysize,
5042                GDI_END);
5043   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
5044 }
5045
5046 char *getElementDescriptionFilename(int element)
5047 {
5048   char *docs_dir = options.docs_directory;
5049   char *elements_subdir = "elements";
5050   static char *filename = NULL;
5051   char basename[MAX_FILENAME_LEN];
5052
5053   if (filename != NULL)
5054     free(filename);
5055
5056   /* 1st try: look for element description file for exactly this element */
5057   sprintf(basename, "%s.txt", element_info[element].token_name);
5058   filename = getPath3(docs_dir, elements_subdir, basename);
5059   if (fileExists(filename))
5060     return filename;
5061
5062   free(filename);
5063
5064   /* 2nd try: look for element description file for this element's class */
5065   sprintf(basename, "%s.txt", element_info[element].class_name);
5066   filename = getPath3(docs_dir, elements_subdir, basename);
5067   if (fileExists(filename))
5068     return filename;
5069
5070   return NULL;
5071 }
5072
5073 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
5074 {
5075   int font_height = getFontHeight(font_nr);
5076   int pad_x = ED_SETTINGS_XPOS(0);
5077   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
5078   int sx = SX + pad_x;
5079   int sy = SY + pad_y;
5080   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
5081
5082   if (screen_line >= max_lines_per_screen)
5083     return FALSE;
5084
5085   DrawText(sx, sy + screen_line * font_height, text, font_nr);
5086
5087   return TRUE;
5088 }
5089
5090 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
5091 {
5092   int font_nr = FONT_TEXT_2;
5093   int font_width = getFontWidth(font_nr);
5094   int pad_x = ED_SETTINGS_XPOS(0);
5095   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
5096   char line[MAX_LINE_LEN];
5097   char buffer[max_chars_per_line + 1];
5098   int buffer_len;
5099   int lines_printed = 0;
5100   FILE *file;
5101
5102   if (filename == NULL)
5103     return 0;
5104
5105   if (!(file = fopen(filename, MODE_READ)))
5106     return 0;
5107
5108   buffer[0] = '\0';
5109   buffer_len = 0;
5110
5111   while(!feof(file))
5112   {
5113     char *line_ptr, *word_ptr;
5114     boolean last_line_was_empty = TRUE;
5115
5116     /* read next line of input file */
5117     if (!fgets(line, MAX_LINE_LEN, file))
5118       break;
5119
5120     /* skip comments (lines directly beginning with '#') */
5121     if (line[0] == '#')
5122       continue;
5123
5124     /* cut trailing newline from input line */
5125     for (line_ptr = line; *line_ptr; line_ptr++)
5126     {
5127       if (*line_ptr == '\n' || *line_ptr == '\r')
5128       {
5129         *line_ptr = '\0';
5130         break;
5131       }
5132     }
5133
5134     if (strlen(line) == 0)              /* special case: force empty line */
5135       strcpy(line, "\n");
5136
5137     word_ptr = line;
5138
5139     while (*word_ptr)
5140     {
5141       boolean print_buffer = FALSE;
5142       int word_len;
5143
5144       /* skip leading whitespaces */
5145       while (*word_ptr == ' ' || *word_ptr == '\t')
5146         word_ptr++;
5147
5148       line_ptr = word_ptr;
5149       word_len = 0;
5150
5151       /* look for end of next word */
5152       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
5153       {
5154         line_ptr++;
5155         word_len++;
5156       }
5157
5158       if (word_len == 0)
5159       {
5160         continue;
5161       }
5162       else if (*word_ptr == '\n')       /* special case: force empty line */
5163       {
5164         if (buffer_len == 0)
5165           word_ptr++;
5166
5167         /* prevent printing of multiple empty lines */
5168         if (buffer_len > 0 || !last_line_was_empty)
5169           print_buffer = TRUE;
5170       }
5171       else if (word_len < max_chars_per_line - buffer_len)
5172       {
5173         /* word fits into text buffer -- add word */
5174
5175         if (buffer_len > 0)
5176           buffer[buffer_len++] = ' ';
5177
5178         strncpy(&buffer[buffer_len], word_ptr, word_len);
5179         buffer_len += word_len;
5180         buffer[buffer_len] = '\0';
5181         word_ptr += word_len;
5182       }
5183       else if (buffer_len > 0)
5184       {
5185         /* not enough space left for word in text buffer -- print buffer */
5186
5187         print_buffer = TRUE;
5188       }
5189       else
5190       {
5191         /* word does not fit at all into empty text buffer -- cut word */
5192
5193         strncpy(buffer, word_ptr, max_chars_per_line);
5194         buffer[max_chars_per_line] = '\0';
5195         word_ptr += max_chars_per_line;
5196         print_buffer = TRUE;
5197       }
5198
5199       if (print_buffer)
5200       {
5201         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
5202           return lines_printed;
5203
5204         last_line_was_empty = (buffer_len == 0);
5205         lines_printed++;
5206
5207         buffer[0] = '\0';
5208         buffer_len = 0;
5209         print_buffer = FALSE;
5210       }
5211     }
5212   }
5213
5214   fclose(file);
5215
5216   if (buffer_len > 0)
5217     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
5218       lines_printed++;
5219
5220   return lines_printed;
5221 }
5222
5223 static void DrawPropertiesTabulatorGadgets()
5224 {
5225   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
5226   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
5227   int gd_x = gd->x + gd_gi->border.width / 2;
5228   int gd_y = gd->y + gd_gi->height - 1;
5229   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
5230   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
5231   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
5232   int i;
5233
5234   /* draw additional "advanced" tabulator for custom elements */
5235   if (IS_CUSTOM_ELEMENT(properties_element))
5236     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
5237
5238   for (i=id_first; i <= id_last; i++)
5239   {
5240     int gadget_id = textbutton_info[i].gadget_id;
5241     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5242     boolean active = (i != edit_mode_properties);
5243
5244     /* draw background line below tabulator button */
5245     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
5246
5247     /* draw solid line below inactive tabulator buttons */
5248     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
5249       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
5250
5251     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
5252     MapTextbuttonGadget(i);
5253   }
5254
5255   /* draw little border line below tabulator buttons */
5256   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
5257     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
5258                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
5259                   ED_GADGET_DISTANCE, tab_color);
5260 }
5261
5262 static void DrawPropertiesInfo()
5263 {
5264   static struct
5265   {
5266     int value;
5267     char *text;
5268   }
5269   properties[] =
5270   {
5271     /* configurable properties */
5272
5273     { EP_WALKABLE_OVER,         "- player can walk over it"             },
5274     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
5275     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
5276     { EP_PASSABLE_OVER,         "- player can pass over it"             },
5277     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
5278     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
5279
5280     { EP_DIGGABLE,              "- can be digged away"                  },
5281     { EP_COLLECTIBLE,           "- can be collected"                    },
5282     { EP_DROPPABLE,             "- can be dropped after collecting"     },
5283     { EP_PUSHABLE,              "- can be pushed"                       },
5284
5285     { EP_CAN_MOVE,              "- can move"                            },
5286     { EP_CAN_FALL,              "- can fall"                            },
5287
5288     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
5289 #if 0
5290     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
5291 #endif
5292     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
5293
5294     { EP_SLIPPERY,              "- slippery for falling objects"        },
5295     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
5296
5297     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
5298     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
5299     { EP_DONT_TOUCH,            "- deadly when touching"                },
5300
5301     { EP_INDESTRUCTIBLE,        "- undestructible"                      },
5302
5303     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
5304     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
5305     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
5306
5307     { EP_CAN_CHANGE,            "- can change to other element"         },
5308
5309     /* pre-defined properties */
5310     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
5311     { EP_HAS_CONTENT,           "- can contain other elements"          },
5312
5313     { -1,                       NULL                                    }
5314   };
5315   char *filename = getElementDescriptionFilename(properties_element);
5316   char *percentage_text = "In this level:";
5317   char *properties_text = "Standard properties:";
5318   float percentage;
5319   int num_elements_in_level;
5320   int num_standard_properties = 0;
5321   int font1_nr = FONT_TEXT_1;
5322   int font2_nr = FONT_TEXT_2;
5323   int font1_width = getFontWidth(font1_nr);
5324   int font2_height = getFontHeight(font2_nr);
5325   int pad_x = ED_SETTINGS_XPOS(0);
5326   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
5327   int screen_line = 0;
5328   int i, x, y;
5329
5330   /* ----- print number of elements / percentage of this element in level */
5331
5332   num_elements_in_level = 0;
5333   for (y=0; y<lev_fieldy; y++)
5334     for (x=0; x<lev_fieldx; x++)
5335       if (Feld[x][y] == properties_element)
5336         num_elements_in_level++;
5337   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
5338
5339   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
5340             percentage_text);
5341   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
5342             pad_y + screen_line++ * font2_height, font2_nr,
5343             "%d (%.2f%%)", num_elements_in_level, percentage);
5344
5345   screen_line++;
5346
5347   /* ----- print standard properties of this element */
5348
5349   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
5350             properties_text);
5351
5352   for (i=0; properties[i].value != -1; i++)
5353   {
5354     if (!HAS_PROPERTY(properties_element, properties[i].value))
5355       continue;
5356
5357     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
5358               properties[i].text);
5359     num_standard_properties++;
5360   }
5361
5362   if (num_standard_properties == 0)
5363     DrawTextF(pad_x + strlen(properties_text) * font1_width,
5364               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
5365
5366   screen_line++;
5367
5368   /* ----- print special description of this element */
5369
5370   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
5371   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
5372     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
5373 }
5374
5375 #define TEXT_COLLECTING         "Score for collecting"
5376 #define TEXT_SMASHING           "Score for smashing"
5377 #define TEXT_CRACKING           "Score for cracking"
5378 #define TEXT_SPEED              "Speed of amoeba growth"
5379 #define TEXT_DURATION           "Duration when activated"
5380
5381 static struct
5382 {
5383   int element;
5384   int *value;
5385   char *text;
5386 } elements_with_counter[] =
5387 {
5388   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
5389   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
5390   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
5391   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
5392   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
5393   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
5394   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
5395   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
5396   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
5397   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
5398   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
5399   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
5400   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
5401   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
5402   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
5403   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
5404   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
5405   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
5406   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5407   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5408   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5409   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5410   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5411   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5412   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5413   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5414   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5415   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
5416   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
5417   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
5418   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
5419   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
5420   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
5421   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
5422   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
5423   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
5424   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
5425   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
5426   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
5427   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
5428   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
5429   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
5430   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
5431   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
5432   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
5433   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
5434   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5435   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5436   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5437   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5438   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
5439   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
5440   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
5441   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
5442   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
5443   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
5444   { -1,                 NULL,                           NULL            }
5445 };
5446
5447 static boolean checkPropertiesConfig()
5448 {
5449   int i;
5450
5451   if (IS_GEM(properties_element) ||
5452       IS_CUSTOM_ELEMENT(properties_element) ||
5453       HAS_CONTENT(properties_element) ||
5454       properties_element == EL_ENVELOPE)
5455     return TRUE;
5456   else
5457     for (i=0; elements_with_counter[i].element != -1; i++)
5458       if (elements_with_counter[i].element == properties_element)
5459         return TRUE;
5460
5461   return FALSE;
5462 }
5463
5464 static void DrawPropertiesConfig()
5465 {
5466   int i;
5467
5468   if (!checkPropertiesConfig())
5469   {
5470     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
5471
5472     return;
5473   }
5474
5475   /* check if there are elements where a score can be chosen for */
5476   for (i=0; elements_with_counter[i].element != -1; i++)
5477   {
5478     if (elements_with_counter[i].element == properties_element)
5479     {
5480       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
5481
5482       counterbutton_info[counter_id].value = elements_with_counter[i].value;
5483       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
5484       MapCounterButtons(counter_id);
5485
5486       break;
5487     }
5488   }
5489
5490   if (HAS_CONTENT(properties_element))
5491   {
5492     /* draw stickybutton gadget */
5493     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
5494     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
5495     MapCheckbuttonGadget(i);
5496
5497     if (IS_AMOEBOID(properties_element))
5498       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
5499     else
5500       DrawElementContentAreas();
5501   }
5502
5503   if (IS_GEM(properties_element))
5504     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
5505
5506   if (properties_element == EL_ENVELOPE)
5507   {
5508     /* display counter to choose size of envelope text area */
5509     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_XSIZE);
5510     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_YSIZE);
5511
5512     DrawEnvelopeTextArea();
5513   }
5514
5515   if (IS_CUSTOM_ELEMENT(properties_element))
5516   {
5517     /* draw stickybutton gadget */
5518     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
5519     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
5520     MapCheckbuttonGadget(i);
5521
5522     /* draw checkbutton gadgets */
5523     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
5524          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
5525       MapCheckbuttonGadget(i);
5526
5527     /* draw counter gadgets */
5528     for (i=ED_COUNTER_ID_CUSTOM_FIRST; i<=ED_COUNTER_ID_CUSTOM_LAST; i++)
5529       MapCounterButtons(i);
5530
5531     /* draw selectbox gadgets */
5532     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
5533       MapSelectboxGadget(i);
5534
5535     /* draw drawing area gadgets */
5536     DrawCustomContentArea();
5537
5538     /* draw text input gadgets */
5539     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
5540   }
5541 }
5542
5543 static void DrawPropertiesAdvancedDrawingAreas()
5544 {
5545   MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
5546   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
5547   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
5548
5549   DrawCustomChangeContentArea();
5550
5551   redraw_mask |= REDRAW_FIELD;
5552 }
5553
5554 static void DrawPropertiesAdvanced()
5555 {
5556   int i;
5557
5558   /* draw stickybutton gadget */
5559   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
5560   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
5561   MapCheckbuttonGadget(i);
5562
5563   /* draw checkbutton gadgets */
5564   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
5565        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
5566     MapCheckbuttonGadget(i);
5567
5568   /* draw counter gadgets */
5569   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
5570     MapCounterButtons(i);
5571
5572   /* draw selectbox gadgets */
5573   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
5574     MapSelectboxGadget(i);
5575
5576   /* draw textbutton gadgets */
5577   for (i=ED_TEXTBUTTON_ID_CHANGE_FIRST; i<=ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
5578     MapTextbuttonGadget(i);
5579
5580   /* draw graphicbutton gadgets */
5581   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
5582        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
5583     MapGraphicbuttonGadget(i);
5584
5585   /* draw drawing area gadgets */
5586   DrawPropertiesAdvancedDrawingAreas();
5587 }
5588
5589 static void DrawElementName(int x, int y, int element)
5590 {
5591   char *element_name = getElementInfoText(element);
5592   int font_nr = FONT_TEXT_1;
5593   int font_width = getFontWidth(font_nr);
5594   int font_height = getFontHeight(font_nr);
5595   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
5596   int max_chars_per_line = max_text_width / font_width;
5597   char buffer[max_chars_per_line + 1];
5598
5599   if (strlen(element_name) <= max_chars_per_line)
5600     DrawTextF(x, y, font_nr, element_name);
5601   else
5602   {
5603     int next_pos = max_chars_per_line;
5604
5605     strncpy(buffer, element_name, max_chars_per_line);
5606     buffer[max_chars_per_line] = '\0';
5607
5608     if (element_name[max_chars_per_line] == ' ')
5609       next_pos++;
5610     else
5611     {
5612       int i;
5613
5614       for (i = max_chars_per_line - 1; i >= 0; i--)
5615         if (buffer[i] == ' ')
5616           break;
5617
5618       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
5619       {
5620         buffer[i] = '\0';
5621         next_pos = i + 1;
5622       }
5623     }
5624
5625     DrawTextF(x, y - font_height / 2, font_nr, buffer);
5626
5627     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
5628     buffer[max_chars_per_line] = '\0';
5629
5630     DrawTextF(x, y + font_height / 2, font_nr, buffer);
5631   }
5632 }
5633
5634 static void DrawPropertiesWindow()
5635 {
5636   int xstart = 2;
5637   int ystart = 4;
5638
5639   stick_element_properties_window = FALSE;
5640
5641   /* make sure that previous properties edit mode exists for this element */
5642   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
5643       !IS_CUSTOM_ELEMENT(properties_element))
5644     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
5645
5646   if (IS_CUSTOM_ELEMENT(properties_element))
5647     CopyCustomElementPropertiesToEditor(properties_element);
5648
5649   UnmapLevelEditorWindowGadgets();
5650
5651   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
5652   ClearWindow();
5653
5654   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
5655            "Element Settings", FONT_TITLE_1);
5656
5657   DrawElementBorder(SX + xstart * MINI_TILEX,
5658                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
5659                     TILEX, TILEY, FALSE);
5660   DrawGraphicAnimationExt(drawto,
5661                           SX + xstart * MINI_TILEX,
5662                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
5663                           el2img(properties_element), -1, NO_MASKING);
5664
5665   FrameCounter = 0;     /* restart animation frame counter */
5666
5667   DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
5668                   properties_element);
5669
5670   DrawPropertiesTabulatorGadgets();
5671
5672   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
5673     DrawPropertiesInfo();
5674   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
5675     DrawPropertiesConfig();
5676   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
5677     DrawPropertiesAdvanced();
5678 }
5679
5680 static void UpdateCustomElementGraphicGadgets()
5681 {
5682   ModifyEditorElementList();
5683   RedrawDrawingElements();
5684
5685   if (edit_mode == ED_MODE_PROPERTIES &&
5686       edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED)
5687     DrawPropertiesAdvancedDrawingAreas();
5688 }
5689
5690 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
5691 {
5692   int lx = sx + level_xpos;
5693   int ly = sy + level_ypos;
5694
5695   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
5696
5697   if (change_level)
5698     Feld[lx][ly] = element;
5699 }
5700
5701 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
5702                      int element, boolean change_level)
5703 {
5704   if (from_y == to_y)                   /* horizontal line */
5705   {
5706     int x;
5707     int y = from_y;
5708
5709     if (from_x > to_x)
5710       swap_numbers(&from_x, &to_x);
5711
5712     for (x=from_x; x<=to_x; x++)
5713       DrawLineElement(x, y, element, change_level);
5714   }
5715   else if (from_x == to_x)              /* vertical line */
5716   {
5717     int x = from_x;
5718     int y;
5719
5720     if (from_y > to_y)
5721       swap_numbers(&from_y, &to_y);
5722
5723     for (y=from_y; y<=to_y; y++)
5724       DrawLineElement(x, y, element, change_level);
5725   }
5726   else                                  /* diagonal line */
5727   {
5728     int len_x = ABS(to_x - from_x);
5729     int len_y = ABS(to_y - from_y);
5730     int x, y;
5731
5732     if (len_y < len_x)                  /* a < 1 */
5733     {
5734       float a = (float)len_y / (float)len_x;
5735
5736       if (from_x > to_x)
5737         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5738
5739       for (x=0; x<=len_x; x++)
5740       {
5741         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
5742         DrawLineElement(from_x + x, from_y + y, element, change_level);
5743       }
5744     }
5745     else                                /* a >= 1 */
5746     {
5747       float a = (float)len_x / (float)len_y;
5748
5749       if (from_y > to_y)
5750         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5751
5752       for (y=0; y<=len_y; y++)
5753       {
5754         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
5755         DrawLineElement(from_x + x, from_y + y, element, change_level);
5756       }
5757     }
5758   }
5759 }
5760
5761 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
5762                     int element, boolean change_level)
5763 {
5764   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
5765   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
5766   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
5767   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
5768 }
5769
5770 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
5771                           int element, boolean change_level)
5772 {
5773   int y;
5774
5775   if (from_y > to_y)
5776     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5777
5778   for (y=from_y; y<=to_y; y++)
5779     DrawLine(from_x, y, to_x, y, element, change_level);
5780 }
5781
5782 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
5783                        int element, boolean change_level)
5784 {
5785   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
5786   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
5787   int len_x = ABS(to_x - from_x);
5788   int len_y = ABS(to_y - from_y);
5789   int radius, x, y;
5790
5791   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
5792
5793   /* not optimal (some points get drawn twice) but simple,
5794      and fast enough for the few points we are drawing */
5795
5796   for (x=0; x<=radius; x++)
5797   {
5798     int sx, sy, lx, ly;
5799
5800     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
5801
5802     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5803     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5804     lx = sx + level_xpos;
5805     ly = sy + level_ypos;
5806
5807     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5808       DrawLineElement(sx, sy, element, change_level);
5809   }
5810
5811   for (y=0; y<=radius; y++)
5812   {
5813     int sx, sy, lx, ly;
5814
5815     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
5816
5817     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5818     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5819     lx = sx + level_xpos;
5820     ly = sy + level_ypos;
5821
5822     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5823       DrawLineElement(sx, sy, element, change_level);
5824   }
5825 }
5826
5827 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
5828                     int element, boolean change_level)
5829 {
5830   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5831   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5832
5833   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5834 }
5835
5836 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
5837 #if DRAW_CIRCLES_BUTTON_AVAILABLE
5838 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
5839                        int element, boolean change_level)
5840 {
5841   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5842   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5843   int mirror_to_x2 = from_x - (to_x2 - from_x);
5844   int mirror_to_y2 = from_y - (to_y2 - from_y);
5845
5846   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5847   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
5848   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
5849   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
5850 }
5851 #endif
5852
5853 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
5854 {
5855   int from_sx, from_sy;
5856   int to_sx, to_sy;
5857
5858   if (from_x > to_x)
5859     swap_numbers(&from_x, &to_x);
5860
5861   if (from_y > to_y)
5862     swap_numbers(&from_y, &to_y);
5863
5864   from_sx = SX + from_x * MINI_TILEX;
5865   from_sy = SY + from_y * MINI_TILEY;
5866   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
5867   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
5868
5869   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
5870   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
5871   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
5872   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
5873
5874   if (from_x == to_x && from_y == to_y)
5875     MarkTileDirty(from_x/2, from_y/2);
5876   else
5877     redraw_mask |= REDRAW_FIELD;
5878 }
5879
5880 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
5881                        int element, boolean change_level)
5882 {
5883   if (element == -1 || change_level)
5884     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
5885   else
5886     DrawAreaBorder(from_x, from_y, to_x, to_y);
5887 }
5888
5889 /* values for CopyBrushExt() */
5890 #define CB_AREA_TO_BRUSH        0
5891 #define CB_BRUSH_TO_CURSOR      1
5892 #define CB_BRUSH_TO_LEVEL       2
5893 #define CB_DELETE_OLD_CURSOR    3
5894
5895 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
5896                          int button, int mode)
5897 {
5898   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
5899   static int brush_width, brush_height;
5900   static int last_cursor_x = -1, last_cursor_y = -1;
5901   static boolean delete_old_brush;
5902   int new_element = BUTTON_ELEMENT(button);
5903   int x, y;
5904
5905   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
5906     return;
5907
5908   if (mode == CB_AREA_TO_BRUSH)
5909   {
5910     int from_lx, from_ly;
5911
5912     if (from_x > to_x)
5913       swap_numbers(&from_x, &to_x);
5914
5915     if (from_y > to_y)
5916       swap_numbers(&from_y, &to_y);
5917
5918     brush_width = to_x - from_x + 1;
5919     brush_height = to_y - from_y + 1;
5920
5921     from_lx = from_x + level_xpos;
5922     from_ly = from_y + level_ypos;
5923
5924     for (y=0; y<brush_height; y++)
5925     {
5926       for (x=0; x<brush_width; x++)
5927       {
5928         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
5929
5930         if (button != 1)
5931           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
5932       }
5933     }
5934
5935     if (button != 1)
5936       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5937
5938     delete_old_brush = FALSE;
5939   }
5940   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
5941            mode == CB_BRUSH_TO_LEVEL)
5942   {
5943     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
5944     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
5945     int cursor_from_x = cursor_x - brush_width / 2;
5946     int cursor_from_y = cursor_y - brush_height / 2;
5947     int border_from_x = cursor_x, border_from_y = cursor_y;
5948     int border_to_x = cursor_x, border_to_y = cursor_y;
5949
5950     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
5951       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5952
5953     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
5954         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
5955     {
5956       delete_old_brush = FALSE;
5957       return;
5958     }
5959
5960     for (y=0; y<brush_height; y++)
5961     {
5962       for (x=0; x<brush_width; x++)
5963       {
5964         int sx = cursor_from_x + x;
5965         int sy = cursor_from_y + y;
5966         int lx = sx + level_xpos;
5967         int ly = sy + level_ypos;
5968         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
5969         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
5970                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
5971                        brush_buffer[x][y] : new_element);
5972
5973         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5974         {
5975           if (sx < border_from_x)
5976             border_from_x = sx;
5977           else if (sx > border_to_x)
5978             border_to_x = sx;
5979           if (sy < border_from_y)
5980             border_from_y = sy;
5981           else if (sy > border_to_y)
5982             border_to_y = sy;
5983
5984           DrawLineElement(sx, sy, element, change_level);
5985         }
5986       }
5987     }
5988
5989     if (mode != CB_DELETE_OLD_CURSOR)
5990       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
5991
5992     last_cursor_x = cursor_x;
5993     last_cursor_y = cursor_y;
5994     delete_old_brush = TRUE;
5995   }
5996 }
5997
5998 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
5999                             int button)
6000 {
6001   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
6002 }
6003
6004 static void CopyBrushToLevel(int x, int y, int button)
6005 {
6006   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
6007 }
6008
6009 static void CopyBrushToCursor(int x, int y)
6010 {
6011   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
6012 }
6013
6014 static void DeleteBrushFromCursor()
6015 {
6016   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
6017 }
6018
6019 static void FloodFill(int from_x, int from_y, int fill_element)
6020 {
6021   int i,x,y;
6022   int old_element;
6023   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
6024   static int safety = 0;
6025
6026   /* check if starting field still has the desired content */
6027   if (Feld[from_x][from_y] == fill_element)
6028     return;
6029
6030   safety++;
6031
6032   if (safety > lev_fieldx*lev_fieldy)
6033     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
6034
6035   old_element = Feld[from_x][from_y];
6036   Feld[from_x][from_y] = fill_element;
6037
6038   for(i=0;i<4;i++)
6039   {
6040     x = from_x + check[i][0];
6041     y = from_y + check[i][1];
6042
6043     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
6044       FloodFill(x, y, fill_element);
6045   }
6046
6047   safety--;
6048 }
6049
6050 /* values for DrawLevelText() modes */
6051 #define TEXT_INIT               0
6052 #define TEXT_SETCURSOR          1
6053 #define TEXT_WRITECHAR          2
6054 #define TEXT_BACKSPACE          3
6055 #define TEXT_NEWLINE            4
6056 #define TEXT_END                5
6057 #define TEXT_QUERY_TYPING       6
6058
6059 static int DrawLevelText(int sx, int sy, char letter, int mode)
6060 {
6061   static short delete_buffer[MAX_LEV_FIELDX];
6062   static int start_sx, start_sy;
6063   static int last_sx, last_sy;
6064   static boolean typing = FALSE;
6065   int letter_element = EL_CHAR_ASCII0 + letter;
6066   int lx = 0, ly = 0;
6067
6068   /* map lower case letters to upper case and convert special characters */
6069   if (letter >= 'a' && letter <= 'z')
6070     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
6071   else if (letter == 'ä' || letter == 'Ä')
6072     letter_element = EL_CHAR_AUMLAUT;
6073   else if (letter == 'ö' || letter == 'Ö')
6074     letter_element = EL_CHAR_OUMLAUT;
6075   else if (letter == 'ü' || letter == 'Ü')
6076     letter_element = EL_CHAR_UUMLAUT;
6077   else if (letter == '^')
6078     letter_element = EL_CHAR_COPYRIGHT;
6079   else
6080     letter_element = EL_CHAR_ASCII0 + letter;
6081
6082   if (mode != TEXT_INIT)
6083   {
6084     if (!typing)
6085       return FALSE;
6086
6087     if (mode != TEXT_SETCURSOR)
6088     {
6089       sx = last_sx;
6090       sy = last_sy;
6091     }
6092
6093     lx = last_sx + level_xpos;
6094     ly = last_sy + level_ypos;
6095   }
6096
6097   switch (mode)
6098   {
6099     case TEXT_INIT:
6100       if (typing)
6101         DrawLevelText(0, 0, 0, TEXT_END);
6102
6103       typing = TRUE;
6104       start_sx = last_sx = sx;
6105       start_sy = last_sy = sy;
6106       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
6107       break;
6108
6109     case TEXT_SETCURSOR:
6110       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
6111       DrawAreaBorder(sx, sy, sx, sy);
6112       last_sx = sx;
6113       last_sy = sy;
6114       break;
6115
6116     case TEXT_WRITECHAR:
6117       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
6118       {
6119         delete_buffer[sx - start_sx] = Feld[lx][ly];
6120         Feld[lx][ly] = letter_element;
6121
6122         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
6123           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
6124         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
6125           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
6126         else
6127           DrawLevelText(0, 0, 0, TEXT_END);
6128       }
6129       break;
6130
6131     case TEXT_BACKSPACE:
6132       if (sx > start_sx)
6133       {
6134         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
6135         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
6136         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
6137       }
6138       break;
6139
6140     case TEXT_NEWLINE:
6141       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
6142         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
6143       else
6144         DrawLevelText(0, 0, 0, TEXT_END);
6145       break;
6146
6147     case TEXT_END:
6148       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6149       DrawMiniElement(sx, sy, Feld[lx][ly]);
6150       typing = FALSE;
6151       break;
6152
6153     case TEXT_QUERY_TYPING:
6154       break;
6155
6156     default:
6157       break;
6158   }
6159
6160   return typing;
6161 }
6162
6163 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
6164                           int element, boolean change_level)
6165 {
6166   int lx = sx + level_xpos;
6167   int ly = sy + level_ypos;
6168
6169   if (element == -1)
6170     DrawMiniElement(sx, sy, Feld[lx][ly]);
6171   else
6172     DrawAreaBorder(sx, sy, sx, sy);
6173 }
6174
6175 static void CopyLevelToUndoBuffer(int mode)
6176 {
6177   static boolean accumulated_undo = FALSE;
6178   boolean new_undo_buffer_position = TRUE;
6179   int last_border_element;
6180   int x, y;
6181
6182   switch (mode)
6183   {
6184     case UNDO_IMMEDIATE:
6185       accumulated_undo = FALSE;
6186       break;
6187
6188     case UNDO_ACCUMULATE:
6189       if (accumulated_undo)
6190         new_undo_buffer_position = FALSE;
6191       accumulated_undo = TRUE;
6192       break;
6193
6194     default:
6195       break;
6196   }
6197
6198   if (new_undo_buffer_position)
6199   {
6200     /* new position in undo buffer ring */
6201     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
6202
6203     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
6204       undo_buffer_steps++;
6205   }
6206
6207   for(x=0; x<lev_fieldx; x++)
6208     for(y=0; y<lev_fieldy; y++)
6209       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
6210
6211   /* check if drawing operation forces change of border style */
6212   last_border_element = BorderElement;
6213   SetBorderElement();
6214   if (BorderElement != last_border_element)
6215     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6216 }
6217
6218 static void RandomPlacement(int new_element)
6219 {
6220   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
6221   int num_free_positions;
6222   int num_percentage;
6223   int num_elements;
6224   int x, y;
6225
6226   /* determine number of free positions for the new elements */
6227   /* (maybe this statement should be formatted a bit more readable...) */
6228   num_free_positions = 0;
6229   for (x=0; x<lev_fieldx; x++)
6230     for (y=0; y<lev_fieldy; y++)
6231       if ((free_position[x][y] =
6232            ((random_placement_background_restricted &&
6233              Feld[x][y] == random_placement_background_element) ||
6234             (!random_placement_background_restricted &&
6235              Feld[x][y] != new_element))) == TRUE)
6236         num_free_positions++;
6237
6238   /* determine number of new elements to place there */
6239   num_percentage = num_free_positions * random_placement_value / 100;
6240   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
6241                   num_percentage : random_placement_value);
6242
6243   /* if not more free positions than elements to place, fill whole level */
6244   if (num_elements >= num_free_positions)
6245   {
6246     for (x=0; x<lev_fieldx; x++)
6247       for (y=0; y<lev_fieldy; y++)
6248         Feld[x][y] = new_element;
6249
6250     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6251     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6252     return;
6253   }
6254
6255   while (num_elements > 0)
6256   {
6257     x = RND(lev_fieldx);
6258     y = RND(lev_fieldy);
6259
6260     /* don't place element at the same position twice */
6261     if (free_position[x][y])
6262     {
6263       free_position[x][y] = FALSE;
6264       Feld[x][y] = new_element;
6265       num_elements--;
6266     }
6267   }
6268
6269   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6270   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6271 }
6272
6273 void WrapLevel(int dx, int dy)
6274 {
6275   int wrap_dx = lev_fieldx - dx;
6276   int wrap_dy = lev_fieldy - dy;
6277   int x, y;
6278
6279   for(x=0; x<lev_fieldx; x++)
6280     for(y=0; y<lev_fieldy; y++)
6281       FieldBackup[x][y] = Feld[x][y];
6282
6283   for(x=0; x<lev_fieldx; x++)
6284     for(y=0; y<lev_fieldy; y++)
6285       Feld[x][y] =
6286         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
6287
6288   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6289   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
6290 }
6291
6292 static void HandleDrawingAreas(struct GadgetInfo *gi)
6293 {
6294   static boolean started_inside_drawing_area = FALSE;
6295   int id = gi->custom_id;
6296   boolean button_press_event;
6297   boolean button_release_event;
6298   boolean inside_drawing_area = !gi->event.off_borders;
6299   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
6300   int actual_drawing_function;
6301   int button = gi->event.button;
6302   int new_element = BUTTON_ELEMENT(button);
6303   int sx = gi->event.x, sy = gi->event.y;
6304   int min_sx = 0, min_sy = 0;
6305   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
6306   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
6307   int lx = 0, ly = 0;
6308   int min_lx = 0, min_ly = 0;
6309   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
6310   int x, y;
6311
6312   /* handle info callback for each invocation of action callback */
6313   gi->callback_info(gi);
6314
6315   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
6316   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
6317
6318   /* make sure to stay inside drawing area boundaries */
6319   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
6320   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
6321
6322   if (draw_level)
6323   {
6324     /* get positions inside level field */
6325     lx = sx + level_xpos;
6326     ly = sy + level_ypos;
6327
6328     if (!IN_LEV_FIELD(lx, ly))
6329       inside_drawing_area = FALSE;
6330
6331     /* make sure to stay inside level field boundaries */
6332     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
6333     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
6334
6335     /* correct drawing area positions accordingly */
6336     sx = lx - level_xpos;
6337     sy = ly - level_ypos;
6338   }
6339
6340   if (button_press_event)
6341     started_inside_drawing_area = inside_drawing_area;
6342
6343   if (!started_inside_drawing_area)
6344     return;
6345
6346   if (!button && !button_release_event)
6347     return;
6348
6349   /* automatically switch to 'single item' drawing mode, if needed */
6350   actual_drawing_function =
6351     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
6352      drawing_function : GADGET_ID_SINGLE_ITEMS);
6353
6354   /* clicking into drawing area with pressed Control key picks element */
6355   if (GetKeyModState() & KMOD_Control)
6356     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
6357
6358   switch (actual_drawing_function)
6359   {
6360     case GADGET_ID_SINGLE_ITEMS:
6361       if (draw_level)
6362       {
6363         if (button_release_event)
6364         {
6365           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6366
6367           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
6368               !inside_drawing_area)
6369             DeleteBrushFromCursor();
6370         }
6371
6372         if (!button)
6373           break;
6374
6375         if (draw_with_brush)
6376         {
6377           if (!button_release_event)
6378             CopyBrushToLevel(sx, sy, button);
6379         }
6380         else if (new_element != Feld[lx][ly])
6381         {
6382           if (new_element == EL_PLAYER_1)
6383           {
6384             /* remove player at old position */
6385             for(y=0; y<lev_fieldy; y++)
6386             {
6387               for(x=0; x<lev_fieldx; x++)
6388               {
6389                 if (Feld[x][y] == EL_PLAYER_1)
6390                 {
6391                   Feld[x][y] = EL_EMPTY;
6392                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
6393                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
6394                     DrawMiniElement(x - level_xpos, y - level_ypos,
6395                                     EL_EMPTY);
6396                 }
6397               }
6398             }
6399           }
6400
6401           Feld[lx][ly] = new_element;
6402           DrawMiniElement(sx, sy, new_element);
6403         }
6404       }
6405       else
6406       {
6407         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
6408           DrawMiniGraphicExt(drawto,
6409                              gi->x + sx * MINI_TILEX,
6410                              gi->y + sy * MINI_TILEY,
6411                              el2edimg(new_element));
6412         else
6413           DrawGraphicExt(drawto,
6414                          gi->x + sx * TILEX,
6415                          gi->y + sy * TILEY,
6416                          el2img(new_element), 0);
6417
6418         if (id == GADGET_ID_AMOEBA_CONTENT)
6419           level.amoeba_content = new_element;
6420         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6421         {
6422           new_element = GFX_ELEMENT(new_element);
6423           custom_element.gfx_element = new_element;
6424
6425           CopyCustomElementPropertiesToGame(properties_element);
6426
6427           UpdateCustomElementGraphicGadgets();
6428
6429           FrameCounter = 0;     /* restart animation frame counter */
6430         }
6431         else if (id == GADGET_ID_CUSTOM_CONTENT)
6432         {
6433           custom_element.content[sx][sy] = new_element;
6434
6435           CopyCustomElementPropertiesToGame(properties_element);
6436         }
6437         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6438         {
6439           custom_element_change.target_element = new_element;
6440
6441           CopyCustomElementPropertiesToGame(properties_element);
6442         }
6443         else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6444         {
6445           custom_element_change.content[sx][sy] = new_element;
6446
6447           CopyCustomElementPropertiesToGame(properties_element);
6448         }
6449         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6450         {
6451           custom_element_change.trigger_element = new_element;
6452
6453           CopyCustomElementPropertiesToGame(properties_element);
6454         }
6455         else if (id == GADGET_ID_RANDOM_BACKGROUND)
6456           random_placement_background_element = new_element;
6457         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6458                  id <= GADGET_ID_ELEMENT_CONTENT_7)
6459           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
6460             new_element;
6461       }
6462       break;
6463
6464     case GADGET_ID_CONNECTED_ITEMS:
6465       {
6466         static int last_sx = -1;
6467         static int last_sy = -1;
6468
6469         if (button_release_event)
6470           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6471
6472         if (button)
6473         {
6474           if (!button_press_event)
6475             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
6476
6477           last_sx = sx;
6478           last_sy = sy;
6479         }
6480       }
6481       break;
6482
6483     case GADGET_ID_LINE:
6484     case GADGET_ID_ARC:
6485     case GADGET_ID_RECTANGLE:
6486     case GADGET_ID_FILLED_BOX:
6487     case GADGET_ID_GRAB_BRUSH:
6488     case GADGET_ID_TEXT:
6489       {
6490         static int last_sx = -1;
6491         static int last_sy = -1;
6492         static int start_sx = -1;
6493         static int start_sy = -1;
6494         void (*draw_func)(int, int, int, int, int, boolean);
6495
6496         if (drawing_function == GADGET_ID_LINE)
6497           draw_func = DrawLine;
6498         else if (drawing_function == GADGET_ID_ARC)
6499           draw_func = DrawArc;
6500         else if (drawing_function == GADGET_ID_RECTANGLE)
6501           draw_func = DrawBox;
6502         else if (drawing_function == GADGET_ID_FILLED_BOX)
6503           draw_func = DrawFilledBox;
6504         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
6505           draw_func = SelectArea;
6506         else /* (drawing_function == GADGET_ID_TEXT) */
6507           draw_func = SetTextCursor;
6508
6509         if (button_press_event)
6510         {
6511           draw_func(sx, sy, sx, sy, new_element, FALSE);
6512           start_sx = last_sx = sx;
6513           start_sy = last_sy = sy;
6514
6515           if (drawing_function == GADGET_ID_TEXT)
6516             DrawLevelText(0, 0, 0, TEXT_END);
6517         }
6518         else if (button_release_event)
6519         {
6520           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
6521           if (drawing_function == GADGET_ID_GRAB_BRUSH)
6522           {
6523             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
6524             CopyBrushToCursor(sx, sy);
6525             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
6526                           MB_LEFTBUTTON);
6527             draw_with_brush = TRUE;
6528           }
6529           else if (drawing_function == GADGET_ID_TEXT)
6530             DrawLevelText(sx, sy, 0, TEXT_INIT);
6531           else
6532             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6533         }
6534         else if (last_sx != sx || last_sy != sy)
6535         {
6536           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
6537           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
6538           last_sx = sx;
6539           last_sy = sy;
6540         }
6541       }
6542       break;
6543
6544     case GADGET_ID_FLOOD_FILL:
6545       if (button_press_event && Feld[lx][ly] != new_element)
6546       {
6547         FloodFill(lx, ly, new_element);
6548         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6549         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6550       }
6551       break;
6552
6553     case GADGET_ID_PICK_ELEMENT:
6554       if (button_release_event)
6555         ClickOnGadget(level_editor_gadget[last_drawing_function],
6556                       MB_LEFTBUTTON);
6557       else if (draw_level)
6558         PickDrawingElement(button, Feld[lx][ly]);
6559       else if (id == GADGET_ID_AMOEBA_CONTENT)
6560         PickDrawingElement(button, level.amoeba_content);
6561       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6562         PickDrawingElement(button, custom_element.gfx_element);
6563       else if (id == GADGET_ID_CUSTOM_CONTENT)
6564         PickDrawingElement(button, custom_element.content[sx][sy]);
6565       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6566         PickDrawingElement(button, custom_element_change.target_element);
6567       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6568         PickDrawingElement(button, custom_element_change.content[sx][sy]);
6569       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6570         PickDrawingElement(button, custom_element_change.trigger_element);
6571       else if (id == GADGET_ID_RANDOM_BACKGROUND)
6572         PickDrawingElement(button, random_placement_background_element);
6573       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6574                id <= GADGET_ID_ELEMENT_CONTENT_7)
6575       {
6576         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
6577
6578         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
6579       }
6580
6581       break;
6582
6583     default:
6584       break;
6585   }
6586 }
6587
6588 static void HandleCounterButtons(struct GadgetInfo *gi)
6589 {
6590   int gadget_id = gi->custom_id;
6591   int counter_id = gi->custom_type_id;
6592   int button = gi->event.button;
6593   int *counter_value = counterbutton_info[counter_id].value;
6594   int step = BUTTON_STEPSIZE(button) *
6595     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
6596
6597   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
6598   {
6599     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
6600     boolean released = (gi->event.type == GD_EVENT_RELEASED);
6601     boolean level_changed = LevelChanged();
6602
6603     if ((level_changed && pressed) || (!level_changed && released))
6604       return;
6605
6606     if (level_changed && !Request("Level has changed! Discard changes ?",
6607                                   REQ_ASK))
6608     {
6609       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
6610         ModifyEditorCounter(counter_id, *counter_value);
6611       return;
6612     }
6613   }
6614
6615   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
6616     *counter_value = gi->textinput.number_value;
6617   else
6618     ModifyEditorCounter(counter_id, *counter_value + step);
6619
6620   switch (counter_id)
6621   {
6622     case ED_COUNTER_ID_ELEMENT_CONTENT:
6623       DrawElementContentAreas();
6624       break;
6625
6626     case ED_COUNTER_ID_ENVELOPE_XSIZE:
6627     case ED_COUNTER_ID_ENVELOPE_YSIZE:
6628       DrawEnvelopeTextArea();
6629       break;
6630
6631     case ED_COUNTER_ID_LEVEL_XSIZE:
6632     case ED_COUNTER_ID_LEVEL_YSIZE:
6633       lev_fieldx = level.fieldx;
6634       lev_fieldy = level.fieldy;
6635       break;
6636
6637     case ED_COUNTER_ID_SELECT_LEVEL:
6638       LoadLevel(level_nr);
6639       TapeErase();
6640       ResetUndoBuffer();
6641       DrawEditModeWindow();
6642       break;
6643
6644     default:
6645       break;
6646   }
6647
6648   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
6649        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
6650       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
6651        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
6652     CopyCustomElementPropertiesToGame(properties_element);
6653 }
6654
6655 static void HandleTextInputGadgets(struct GadgetInfo *gi)
6656 {
6657   int type_id = gi->custom_type_id;
6658
6659   strcpy(textinput_info[type_id].value, gi->textinput.value);
6660
6661   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
6662   {
6663     CopyCustomElementPropertiesToGame(properties_element);
6664
6665     ModifyEditorElementList();  /* update changed button info text */
6666   }
6667 }
6668
6669 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
6670 {
6671   int type_id = gi->custom_type_id;
6672
6673   strcpy(textarea_info[type_id].value, gi->textarea.value);
6674 }
6675
6676 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
6677 {
6678   int type_id = gi->custom_type_id;
6679
6680   *selectbox_info[type_id].value =
6681     selectbox_info[type_id].options[gi->selectbox.index].value;
6682
6683   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
6684   {
6685     element_info[properties_element].current_change_page = gi->selectbox.index;
6686
6687     DrawPropertiesWindow();
6688   }
6689   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
6690             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
6691            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
6692             type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
6693     CopyCustomElementPropertiesToGame(properties_element);
6694 }
6695
6696 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
6697 {
6698   int type_id = gi->custom_type_id;
6699   int i;
6700
6701   if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
6702       type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
6703   {
6704     edit_mode_properties = gi->custom_type_id;
6705
6706     DrawPropertiesWindow();
6707   }
6708   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
6709   {
6710     boolean new_template = (!LevelFileExists(-1));
6711
6712     if (new_template ||
6713         Request("Save this tem- plate and kill the old ?", REQ_ASK))
6714       SaveLevelTemplate();
6715
6716     if (new_template)
6717       Request("Tem- plate saved !", REQ_CONFIRM);
6718   }
6719   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
6720            custom_element.num_change_pages < MAX_CHANGE_PAGES)
6721   {
6722     struct ElementInfo *ei = &element_info[properties_element];
6723
6724     setElementChangePages(ei, ei->num_change_pages + 1);
6725
6726     /* set new change page to be new current change page */
6727     ei->current_change_page = ei->num_change_pages - 1;
6728     ei->change = &ei->change_page[ei->current_change_page];
6729
6730     setElementChangeInfoToDefaults(ei->change);
6731
6732     DrawPropertiesWindow();
6733   }
6734   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6735            custom_element.num_change_pages > MIN_CHANGE_PAGES)
6736   {
6737     struct ElementInfo *ei = &element_info[properties_element];
6738
6739     /* copy all change pages after change page to be deleted */
6740     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
6741       ei->change_page[i] = ei->change_page[i + 1];
6742
6743     setElementChangePages(ei, ei->num_change_pages - 1);
6744
6745     DrawPropertiesWindow();
6746   }
6747 }
6748
6749 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
6750 {
6751   int type_id = gi->custom_type_id;
6752
6753   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
6754       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
6755   {
6756     struct ElementInfo *ei = &element_info[properties_element];
6757     int step = BUTTON_STEPSIZE(gi->event.button);
6758
6759     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
6760     ei->current_change_page += step;
6761
6762     if (ei->current_change_page < 0)
6763       ei->current_change_page = 0;
6764     else if (ei->current_change_page >= ei->num_change_pages)
6765       ei->current_change_page = ei->num_change_pages - 1;
6766
6767     DrawPropertiesWindow();
6768   }
6769 }
6770
6771 static void HandleRadiobuttons(struct GadgetInfo *gi)
6772 {
6773   *radiobutton_info[gi->custom_type_id].value =
6774     radiobutton_info[gi->custom_type_id].checked_value;
6775 }
6776
6777 static void HandleCheckbuttons(struct GadgetInfo *gi)
6778 {
6779   int type_id = gi->custom_type_id;
6780
6781   *checkbutton_info[type_id].value ^= TRUE;
6782
6783   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
6784        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
6785       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
6786        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST &&
6787        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
6788   {
6789     CopyCustomElementPropertiesToGame(properties_element);
6790   }
6791
6792   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
6793   {
6794     UpdateCustomElementGraphicGadgets();
6795   }
6796   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
6797   {
6798     if (level.use_custom_template && !LevelFileExists(-1))
6799     {
6800       Request("No level tem- plate found !", REQ_CONFIRM);
6801
6802       level.use_custom_template = FALSE;
6803       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
6804
6805       return;
6806     }
6807
6808     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
6809
6810     DrawEditModeWindow();
6811   }
6812 }
6813
6814 static void HandleControlButtons(struct GadgetInfo *gi)
6815 {
6816   int id = gi->custom_id;
6817   int button = gi->event.button;
6818   int step = BUTTON_STEPSIZE(button);
6819   int new_element = BUTTON_ELEMENT(button);
6820   int x, y;
6821
6822   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
6823     DrawLevelText(0, 0, 0, TEXT_END);
6824
6825   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
6826       id != GADGET_ID_PICK_ELEMENT && edit_mode != ED_MODE_DRAWING &&
6827       drawing_function != GADGET_ID_PICK_ELEMENT &&
6828       !(GetKeyModState() & KMOD_Control))
6829   {
6830     DrawDrawingWindow();
6831     edit_mode = ED_MODE_DRAWING;
6832   }
6833
6834   switch (id)
6835   {
6836     case GADGET_ID_SCROLL_LEFT:
6837       if (level_xpos >= 0)
6838       {
6839         if (lev_fieldx < ed_fieldx - 2)
6840           break;
6841
6842         level_xpos -= step;
6843         if (level_xpos < -1)
6844           level_xpos = -1;
6845         if (button == 1)
6846           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
6847         else
6848           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6849
6850         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6851                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6852       }
6853       break;
6854
6855     case GADGET_ID_SCROLL_RIGHT:
6856       if (level_xpos <= lev_fieldx - ed_fieldx)
6857       {
6858         if (lev_fieldx < ed_fieldx - 2)
6859           break;
6860
6861         level_xpos += step;
6862         if (level_xpos > lev_fieldx - ed_fieldx + 1)
6863           level_xpos = lev_fieldx - ed_fieldx + 1;
6864         if (button == 1)
6865           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
6866         else
6867           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6868
6869         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6870                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6871       }
6872       break;
6873
6874     case GADGET_ID_SCROLL_UP:
6875       if (level_ypos >= 0)
6876       {
6877         if (lev_fieldy < ed_fieldy - 2)
6878           break;
6879
6880         level_ypos -= step;
6881         if (level_ypos < -1)
6882           level_ypos = -1;
6883         if (button == 1)
6884           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
6885         else
6886           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6887
6888         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6889                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6890       }
6891       break;
6892
6893     case GADGET_ID_SCROLL_DOWN:
6894       if (level_ypos <= lev_fieldy - ed_fieldy)
6895       {
6896         if (lev_fieldy < ed_fieldy - 2)
6897           break;
6898
6899         level_ypos += step;
6900         if (level_ypos > lev_fieldy - ed_fieldy + 1)
6901           level_ypos = lev_fieldy - ed_fieldy + 1;
6902         if (button == 1)
6903           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
6904         else
6905           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6906
6907         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6908                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6909       }
6910       break;
6911
6912     case GADGET_ID_SCROLL_HORIZONTAL:
6913       level_xpos = gi->event.item_position - 1;
6914       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6915       break;
6916
6917     case GADGET_ID_SCROLL_VERTICAL:
6918       level_ypos = gi->event.item_position - 1;
6919       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6920       break;
6921
6922     case GADGET_ID_SCROLL_LIST_UP:
6923     case GADGET_ID_SCROLL_LIST_DOWN:
6924     case GADGET_ID_SCROLL_LIST_VERTICAL:
6925       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
6926         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
6927       else
6928       {
6929         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
6930         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
6931
6932         if (element_shift < 0)
6933           element_shift = 0;
6934         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
6935           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
6936
6937         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
6938                      GDI_SCROLLBAR_ITEM_POSITION,
6939                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
6940       }
6941
6942       ModifyEditorElementList();
6943
6944       break;
6945
6946     case GADGET_ID_WRAP_LEFT:
6947       WrapLevel(-step, 0);
6948       break;
6949
6950     case GADGET_ID_WRAP_RIGHT:
6951       WrapLevel(step, 0);
6952       break;
6953
6954     case GADGET_ID_WRAP_UP:
6955       WrapLevel(0, -step);
6956       break;
6957
6958     case GADGET_ID_WRAP_DOWN:
6959       WrapLevel(0, step);
6960       break;
6961
6962     case GADGET_ID_SINGLE_ITEMS:
6963     case GADGET_ID_CONNECTED_ITEMS:
6964     case GADGET_ID_LINE:
6965     case GADGET_ID_ARC:
6966     case GADGET_ID_TEXT:
6967     case GADGET_ID_RECTANGLE:
6968     case GADGET_ID_FILLED_BOX:
6969     case GADGET_ID_FLOOD_FILL:
6970     case GADGET_ID_GRAB_BRUSH:
6971     case GADGET_ID_PICK_ELEMENT:
6972       if (drawing_function != GADGET_ID_PICK_ELEMENT)
6973         last_drawing_function = drawing_function;
6974       drawing_function = id;
6975       draw_with_brush = FALSE;
6976       break;
6977
6978     case GADGET_ID_RANDOM_PLACEMENT:
6979       RandomPlacement(new_element);
6980       break;
6981
6982     case GADGET_ID_PROPERTIES:
6983       if (edit_mode != ED_MODE_PROPERTIES)
6984       {
6985         properties_element = new_element;
6986         DrawPropertiesWindow();
6987         edit_mode = ED_MODE_PROPERTIES;
6988       }
6989       else
6990       {
6991         DrawDrawingWindow();
6992         edit_mode = ED_MODE_DRAWING;
6993       }
6994       break;
6995
6996     case GADGET_ID_UNDO:
6997       if (undo_buffer_steps == 0)
6998       {
6999         Request("Undo buffer empty !", REQ_CONFIRM);
7000         break;
7001       }
7002
7003       if (edit_mode != ED_MODE_DRAWING)
7004       {
7005         DrawDrawingWindow();
7006         edit_mode = ED_MODE_DRAWING;
7007       }
7008
7009       undo_buffer_position =
7010         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
7011       undo_buffer_steps--;
7012
7013       for(x=0; x<lev_fieldx; x++)
7014         for(y=0; y<lev_fieldy; y++)
7015           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
7016       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
7017       break;
7018
7019     case GADGET_ID_INFO:
7020       if (edit_mode != ED_MODE_INFO)
7021       {
7022         DrawLevelInfoWindow();
7023         edit_mode = ED_MODE_INFO;
7024       }
7025       else
7026       {
7027         DrawDrawingWindow();
7028         edit_mode = ED_MODE_DRAWING;
7029       }
7030       break;
7031
7032     case GADGET_ID_CLEAR:
7033       if (edit_mode != ED_MODE_DRAWING)
7034       {
7035         DrawDrawingWindow();
7036         edit_mode = ED_MODE_DRAWING;
7037       }
7038
7039       for(x=0; x<MAX_LEV_FIELDX; x++)
7040         for(y=0; y<MAX_LEV_FIELDY; y++)
7041           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
7042       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
7043
7044       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7045       break;
7046
7047     case GADGET_ID_SAVE:
7048       if (leveldir_current->readonly)
7049       {
7050         Request("This level is read only !", REQ_CONFIRM);
7051         break;
7052       }
7053
7054       if (!LevelContainsPlayer)
7055         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
7056       else
7057       {
7058         boolean new_level = (!LevelFileExists(level_nr));
7059
7060         if (new_level ||
7061             Request("Save this level and kill the old ?", REQ_ASK))
7062         {
7063           CopyPlayfield(Feld, level.field);
7064
7065           SaveLevel(level_nr);
7066         }
7067
7068         if (new_level)
7069           Request("Level saved !", REQ_CONFIRM);
7070       }
7071       break;
7072
7073     case GADGET_ID_TEST:
7074       if (!LevelContainsPlayer)
7075         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
7076       else
7077       {
7078         if (LevelChanged())
7079           level.game_version = GAME_VERSION_ACTUAL;
7080
7081         CopyPlayfield(level.field, FieldBackup);
7082         CopyPlayfield(Feld, level.field);
7083
7084         UnmapLevelEditorGadgets();
7085         UndrawSpecialEditorDoor();
7086
7087         CloseDoor(DOOR_CLOSE_ALL);
7088
7089         DrawCompleteVideoDisplay();
7090
7091         if (setup.autorecord)
7092           TapeStartRecording();
7093
7094         level_editor_test_game = TRUE;
7095         game_status = GAME_MODE_PLAYING;
7096
7097         InitGame();
7098       }
7099       break;
7100
7101     case GADGET_ID_EXIT:
7102       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
7103       break;
7104
7105     default:
7106       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
7107           id <= GADGET_ID_ELEMENTLIST_LAST)
7108       {
7109         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
7110         int new_element = editor_elements[element_position + element_shift];
7111
7112         PickDrawingElement(button, new_element);
7113
7114         if (!stick_element_properties_window &&
7115             drawing_function != GADGET_ID_PICK_ELEMENT &&
7116             !(GetKeyModState() & KMOD_Control))
7117         {
7118           properties_element = new_element;
7119           if (edit_mode == ED_MODE_PROPERTIES)
7120             DrawPropertiesWindow();
7121         }
7122
7123         if (drawing_function == GADGET_ID_PICK_ELEMENT)
7124           ClickOnGadget(level_editor_gadget[last_drawing_function],
7125                         MB_LEFTBUTTON);
7126       }
7127 #ifdef DEBUG
7128       else if (gi->event.type == GD_EVENT_PRESSED)
7129         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
7130       else if (gi->event.type == GD_EVENT_RELEASED)
7131         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
7132       else if (gi->event.type == GD_EVENT_MOVING)
7133         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
7134       else
7135         printf("default: HandleControlButtons: ? (id == %d)\n", id);
7136 #endif
7137       break;
7138   }
7139 }
7140
7141 void HandleLevelEditorKeyInput(Key key)
7142 {
7143   char letter = getCharFromKey(key);
7144   int button = MB_LEFTBUTTON;
7145
7146   if (drawing_function == GADGET_ID_TEXT &&
7147       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
7148   {
7149     if (letter)
7150       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
7151     else if (key == KSYM_Delete || key == KSYM_BackSpace)
7152       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
7153     else if (key == KSYM_Return)
7154       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
7155     else if (key == KSYM_Escape)
7156       DrawLevelText(0, 0, 0, TEXT_END);
7157   }
7158   else if (button_status == MB_RELEASED)
7159   {
7160     int i, id = GADGET_ID_NONE;
7161
7162     switch (key)
7163     {
7164       case KSYM_Left:
7165         id = GADGET_ID_SCROLL_LEFT;
7166         break;
7167       case KSYM_Right:
7168         id = GADGET_ID_SCROLL_RIGHT;
7169         break;
7170       case KSYM_Up:
7171         id = GADGET_ID_SCROLL_UP;
7172         break;
7173       case KSYM_Down:
7174         id = GADGET_ID_SCROLL_DOWN;
7175         break;
7176       case KSYM_Page_Up:
7177         id = GADGET_ID_SCROLL_LIST_UP;
7178         button = MB_RIGHTBUTTON;
7179         break;
7180       case KSYM_Page_Down:
7181         id = GADGET_ID_SCROLL_LIST_DOWN;
7182         button = MB_RIGHTBUTTON;
7183         break;
7184
7185       case KSYM_Escape:
7186         if (edit_mode == ED_MODE_DRAWING)
7187         {
7188           RequestExitLevelEditor(setup.ask_on_escape);
7189         }
7190         else
7191         {
7192           DrawDrawingWindow();
7193           edit_mode = ED_MODE_DRAWING;
7194         }
7195         break;
7196
7197       default:
7198         break;
7199     }
7200
7201     if (id != GADGET_ID_NONE)
7202       ClickOnGadget(level_editor_gadget[id], button);
7203     else if (letter == '.')
7204       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
7205     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
7206       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
7207     else
7208       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
7209         if (letter && letter == control_info[i].shortcut)
7210           if (!anyTextGadgetActive())
7211             ClickOnGadget(level_editor_gadget[i], button);
7212   }
7213 }
7214
7215 void HandleLevelEditorIdle()
7216 {
7217   static unsigned long action_delay = 0;
7218   unsigned long action_delay_value = GameFrameDelay;
7219   int xpos = 1, ypos = 2;
7220
7221   if (edit_mode != ED_MODE_PROPERTIES)
7222     return;
7223
7224   if (!DelayReached(&action_delay, action_delay_value))
7225     return;
7226
7227   DrawGraphicAnimationExt(drawto,
7228                           SX + xpos * TILEX,
7229                           SY + ypos * TILEY + MINI_TILEY / 2,
7230                           el2img(properties_element), -1, NO_MASKING);
7231
7232   MarkTileDirty(xpos, ypos);
7233   MarkTileDirty(xpos, ypos + 1);
7234
7235   FrameCounter++;       /* increase animation frame counter */
7236 }
7237
7238 void ClearEditorGadgetInfoText()
7239 {
7240   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
7241 }
7242
7243 void HandleEditorGadgetInfoText(void *ptr)
7244 {
7245   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
7246   char infotext[MAX_OUTPUT_LINESIZE + 1];
7247   char shortcut[MAX_OUTPUT_LINESIZE + 1];
7248   int max_infotext_len = getMaxInfoTextLength();
7249
7250   if (game_status != GAME_MODE_EDITOR)
7251     return;
7252
7253   ClearEditorGadgetInfoText();
7254
7255   if (gi->event.type == GD_EVENT_INFO_LEAVING)
7256     return;
7257
7258   /* misuse this function to delete brush cursor, if needed */
7259   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
7260     DeleteBrushFromCursor();
7261
7262   if (gi == NULL || gi->info_text == NULL)
7263     return;
7264
7265   strncpy(infotext, gi->info_text, max_infotext_len);
7266   infotext[max_infotext_len] = '\0';
7267
7268   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
7269   {
7270     int key = control_info[gi->custom_id].shortcut;
7271
7272     if (key)
7273     {
7274       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
7275         sprintf(shortcut, " ('.' or '%c')", key);
7276       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
7277         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
7278       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
7279         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
7280       else                                              /* normal case */
7281         sprintf(shortcut, " ('%s%c')",
7282                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
7283
7284       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
7285         strcat(infotext, shortcut);
7286     }
7287   }
7288
7289   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
7290 }
7291
7292 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
7293 {
7294   static int start_lx, start_ly;
7295   char *infotext;
7296   int id = gi->custom_id;
7297   int sx = gi->event.x;
7298   int sy = gi->event.y;
7299   int lx = sx + level_xpos;
7300   int ly = sy + level_ypos;
7301   int min_sx = 0, min_sy = 0;
7302   int max_sx = gi->drawing.area_xsize - 1;
7303   int max_sy = gi->drawing.area_ysize - 1;
7304   int actual_drawing_function = drawing_function;
7305
7306   /* pressed Control key: simulate picking element */
7307   if (GetKeyModState() & KMOD_Control)
7308     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
7309
7310   ClearEditorGadgetInfoText();
7311
7312   if (gi->event.type == GD_EVENT_INFO_LEAVING)
7313     return;
7314
7315   /* make sure to stay inside drawing area boundaries */
7316   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
7317   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
7318
7319   if (id == GADGET_ID_DRAWING_LEVEL)
7320   {
7321     if (button_status)
7322     {
7323       int min_lx = 0, min_ly = 0;
7324       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
7325
7326       /* get positions inside level field */
7327       lx = sx + level_xpos;
7328       ly = sy + level_ypos;
7329
7330       /* make sure to stay inside level field boundaries */
7331       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
7332       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
7333
7334       /* correct drawing area positions accordingly */
7335       sx = lx - level_xpos;
7336       sy = ly - level_ypos;
7337     }
7338
7339     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
7340     {
7341       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
7342       {
7343         if (gi->event.type == GD_EVENT_PRESSED)
7344         {
7345           start_lx = lx;
7346           start_ly = ly;
7347         }
7348
7349         switch (actual_drawing_function)
7350         {
7351           case GADGET_ID_SINGLE_ITEMS:
7352             infotext = "Drawing single items";
7353             break;
7354           case GADGET_ID_CONNECTED_ITEMS:
7355             infotext = "Drawing connected items";
7356             break;
7357           case GADGET_ID_LINE:
7358             infotext = "Drawing line";
7359             break;
7360           case GADGET_ID_ARC:
7361             infotext = "Drawing arc";
7362             break;
7363           case GADGET_ID_TEXT:
7364             infotext = "Setting text cursor";
7365             break;
7366           case GADGET_ID_RECTANGLE:
7367             infotext = "Drawing rectangle";
7368             break;
7369           case GADGET_ID_FILLED_BOX:
7370             infotext = "Drawing filled box";
7371             break;
7372           case GADGET_ID_FLOOD_FILL:
7373             infotext = "Flood fill";
7374             break;
7375           case GADGET_ID_GRAB_BRUSH:
7376             infotext = "Grabbing brush";
7377             break;
7378           case GADGET_ID_PICK_ELEMENT:
7379             infotext = "Picking element";
7380             break;
7381
7382           default:
7383             infotext = "Drawing position";
7384             break;
7385         }
7386
7387         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
7388           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7389                     "%s: %d, %d", infotext, lx, ly);
7390         else
7391           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7392                     "%s: %d, %d", infotext,
7393                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
7394       }
7395       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
7396         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7397                   "%s", getElementInfoText(Feld[lx][ly]));
7398       else
7399         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7400                   "Level position: %d, %d", lx, ly);
7401     }
7402
7403     /* misuse this function to draw brush cursor, if needed */
7404     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
7405     {
7406       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
7407         CopyBrushToCursor(sx, sy);
7408       else
7409         DeleteBrushFromCursor();
7410     }
7411   }
7412   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
7413   {
7414     if (id == GADGET_ID_AMOEBA_CONTENT)
7415       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7416                 getElementInfoText(level.amoeba_content));
7417     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
7418       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7419                 getElementInfoText(custom_element.gfx_element));
7420     else if (id == GADGET_ID_CUSTOM_CONTENT)
7421       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7422                 getElementInfoText(custom_element.content[sx][sy]));
7423     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
7424       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7425                 getElementInfoText(custom_element_change.target_element));
7426     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
7427       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7428                 getElementInfoText(custom_element_change.content[sx][sy]));
7429     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
7430       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7431                 getElementInfoText(custom_element_change.trigger_element));
7432     else if (id == GADGET_ID_RANDOM_BACKGROUND)
7433       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7434                 getElementInfoText(random_placement_background_element));
7435     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
7436              id <= GADGET_ID_ELEMENT_CONTENT_7)
7437     {
7438       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
7439
7440       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7441                 getElementInfoText(level.yamyam_content[i][sx][sy]));
7442     }
7443   }
7444   else
7445   {
7446     if (id == GADGET_ID_AMOEBA_CONTENT)
7447       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7448                 "Amoeba content");
7449     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
7450       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7451                 "Custom graphic element");
7452     else if (id == GADGET_ID_CUSTOM_CONTENT)
7453       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7454                 "Custom element content position: %d, %d", sx, sy);
7455     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
7456       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7457                 "New element after change");
7458     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
7459       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7460                 "New extended elements after change");
7461     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
7462       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7463                 "Other element triggering change");
7464     else if (id == GADGET_ID_RANDOM_BACKGROUND)
7465       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7466                 "Random placement background");
7467     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
7468              id <= GADGET_ID_ELEMENT_CONTENT_7)
7469       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7470                 "Content area %d position: %d, %d",
7471                 id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
7472   }
7473 }
7474
7475 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
7476 {
7477   if (!ask_if_level_has_changed ||
7478       !LevelChanged() ||
7479       Request("Level has changed! Exit without saving ?",
7480               REQ_ASK | REQ_STAY_OPEN))
7481   {
7482     CloseDoor(DOOR_CLOSE_1);
7483     /*
7484     CloseDoor(DOOR_CLOSE_ALL);
7485     */
7486     game_status = GAME_MODE_MAIN;
7487     DrawMainMenu();
7488   }
7489   else
7490   {
7491     CloseDoor(DOOR_CLOSE_1);
7492     BlitBitmap(bitmap_db_door, bitmap_db_door,
7493                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
7494                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
7495     OpenDoor(DOOR_OPEN_1);
7496   }
7497 }