src/editor.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2002 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * editor.c                                                 *
  12 ***********************************************************/
  13
  14 #include <math.h>
  15
  16 #include "libgame/libgame.h"
  17
  18 #include "editor.h"
  19 #include "screens.h"
  20 #include "tools.h"
  21 #include "files.h"
  22 #include "game.h"
  23 #include "init.h"
  24 #include "tape.h"
  25
  26
  27 /*
  28   -----------------------------------------------------------------------------
  29   screen and artwork graphic pixel position definitions
  30   -----------------------------------------------------------------------------
  31 */
  32
  33 /* positions in the level editor */
  34 #define ED_WIN_MB_LEFT_XPOS             6
  35 #define ED_WIN_MB_LEFT_YPOS             258
  36 #define ED_WIN_MB_MIDDLE_XPOS           42
  37 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  38 #define ED_WIN_MB_RIGHT_XPOS            78
  39 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  40
  41 /* values for the control window */
  42 #define ED_CTRL_BUTTONS_GFX_YPOS        236
  43 #define ED_CTRL_BUTTONS_ALT_GFX_YPOS    142
  44
  45 #define ED_CTRL1_BUTTONS_HORIZ          4
  46 #define ED_CTRL1_BUTTONS_VERT           4
  47 #define ED_CTRL1_BUTTON_XSIZE           22
  48 #define ED_CTRL1_BUTTON_YSIZE           22
  49 #define ED_CTRL1_BUTTONS_XPOS           6
  50 #define ED_CTRL1_BUTTONS_YPOS           6
  51 #define ED_CTRL2_BUTTONS_HORIZ          3
  52 #define ED_CTRL2_BUTTONS_VERT           2
  53 #define ED_CTRL2_BUTTON_XSIZE           30
  54 #define ED_CTRL2_BUTTON_YSIZE           20
  55 #define ED_CTRL2_BUTTONS_XPOS           5
  56 #define ED_CTRL2_BUTTONS_YPOS           99
  57 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  58 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  59 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
  60
  61 /* values for the element list */
  62 #define ED_ELEMENTLIST_XPOS             5
  63 #define ED_ELEMENTLIST_YPOS             30
  64 #define ED_ELEMENTLIST_XSIZE            20
  65 #define ED_ELEMENTLIST_YSIZE            20
  66 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  67 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  68 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  69                                          ED_ELEMENTLIST_BUTTONS_VERT)
  70
  71 /* standard distances */
  72 #define ED_BORDER_SIZE                  3
  73 #define ED_BORDER2_SIZE                 5
  74 #define ED_GADGET_DISTANCE              2
  75 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
  76
  77 /* values for the setting windows */
  78 #define ED_SETTINGS_XSTART              (3 * MINI_TILEX / 2)
  79 #define ED_SETTINGS_YSTART              (MINI_TILEY * 10)
  80
  81 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE + \
  82                                          2 * ED_GADGET_DISTANCE)
  83
  84 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
  85 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
  86
  87 #define ED_SETTINGS_XPOS(n)             (ED_SETTINGS_XSTART + \
  88                                          n * ED_SETTINGS_XOFFSET)
  89 #define ED_SETTINGS_YPOS(n)             (ED_SETTINGS_YSTART + \
  90                                          n * ED_SETTINGS_YOFFSET)
  91
  92 #define ED_SETTINGS1_YPOS               MINI_TILEY
  93 #define ED_SETTINGS2_XPOS               MINI_TILEX
  94 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
  95
  96 /* values for counter gadgets */
  97 #define ED_COUNT_PUSH_DELAY_RND_XPOS    (ED_SETTINGS_XPOS(1) + 16 * MINI_TILEX)
  98 #define ED_COUNT_MOVE_DELAY_RND_XPOS    ED_COUNT_PUSH_DELAY_RND_XPOS
  99 #define ED_COUNT_CHANGE_DELAY_RND_XPOS  (ED_SETTINGS_XPOS(1) + 13 * MINI_TILEX)
 100
 101 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 102 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 103 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
 104                                          n * ED_COUNTER_YDISTANCE)
 105 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 106                                          n * ED_COUNTER_YDISTANCE - 2)
 107
 108 /* values for element content drawing areas */
 109 /* amoeba content */
 110 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 111 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 112
 113 /* 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_XPOS      (20 * MINI_TILEX)
 121 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(2) + \
 122                                          ED_GADGET_DISTANCE)
 123 /* optional custom graphic */
 124 #define ED_AREA_ELEM_CONTENT3_XPOS      (24 * MINI_TILEX)
 125 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(1) + \
 126                                          ED_GADGET_DISTANCE)
 127 /* custom element content */
 128 #define ED_AREA_ELEM_CONTENT4_XPOS      (29 * MINI_TILEX)
 129 #define ED_AREA_ELEM_CONTENT4_YPOS      (ED_SETTINGS_YPOS(12) + \
 130                                          ED_GADGET_DISTANCE - MINI_TILEY)
 131 /* custom change trigger element */
 132 #define ED_AREA_ELEM_CONTENT5_XPOS      (28 * MINI_TILEX)
 133 #define ED_AREA_ELEM_CONTENT5_YPOS      (ED_SETTINGS_YPOS(7) + \
 134                                          ED_GADGET_DISTANCE)
 135 /* extended custom change target */
 136 #define ED_AREA_ELEM_CONTENT6_XPOS      (29 * MINI_TILEX)
 137 #define ED_AREA_ELEM_CONTENT6_YPOS      (ED_SETTINGS_YPOS(10) + \
 138                                          ED_GADGET_DISTANCE - MINI_TILEY)
 139
 140 /* values for random placement background drawing area */
 141 #define ED_AREA_RANDOM_BACKGROUND_XPOS  (29 * MINI_TILEX)
 142 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 143
 144 /* values for scrolling gadgets for drawing area */
 145 #define ED_SCROLLBUTTON_XPOS            24
 146 #define ED_SCROLLBUTTON_YPOS            0
 147 #define ED_SCROLLBAR_XPOS               24
 148 #define ED_SCROLLBAR_YPOS               64
 149
 150 #define ED_SCROLLBUTTON_XSIZE           16
 151 #define ED_SCROLLBUTTON_YSIZE           16
 152
 153 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 154 #define ED_SCROLL_UP_YPOS               (0)
 155 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 156 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 157 #define ED_SCROLL_LEFT_XPOS             (0)
 158 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 159 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 160 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 161 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 162 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 163 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 164 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 165 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 166 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 167 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 168 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 169
 170 /* values for scrolling gadgets for element list */
 171 #define ED_SCROLLBUTTON2_XPOS           50
 172 #define ED_SCROLLBUTTON2_YPOS           0
 173 #define ED_SCROLLBAR2_XPOS              50
 174 #define ED_SCROLLBAR2_YPOS              20
 175
 176 #define ED_SCROLLBUTTON2_XSIZE          10
 177 #define ED_SCROLLBUTTON2_YSIZE          10
 178
 179 #define ED_SCROLL2_UP_XPOS              85
 180 #define ED_SCROLL2_UP_YPOS              30
 181 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 182 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 183                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 184                                          ED_ELEMENTLIST_YSIZE - \
 185                                          ED_SCROLLBUTTON2_YSIZE)
 186 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 187 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 188                                          ED_SCROLLBUTTON2_YSIZE)
 189 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 190 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 191                                          ED_ELEMENTLIST_YSIZE - \
 192                                          2 * ED_SCROLLBUTTON2_YSIZE)
 193
 194 /* values for checkbutton gadgets */
 195 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 196 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 197 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 198 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 199 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 200 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 201 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 202
 203 /* some positions in the editor control window */
 204 #define ED_BUTTON_ELEM_XPOS             6
 205 #define ED_BUTTON_ELEM_YPOS             30
 206 #define ED_BUTTON_ELEM_XSIZE            22
 207 #define ED_BUTTON_ELEM_YSIZE            22
 208
 209 /* some values for text input, selectbox and counter gadgets */
 210 #define ED_BUTTON_COUNT_YPOS            60
 211 #define ED_BUTTON_COUNT_XSIZE           20
 212 #define ED_BUTTON_COUNT_YSIZE           20
 213 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 214 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 215 #define ED_WIN_COUNT_XSIZE              52
 216 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 217 #define ED_WIN_COUNT2_XPOS              27
 218 #define ED_WIN_COUNT2_YPOS              3
 219 #define ED_WIN_COUNT2_XSIZE             46
 220 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 221
 222 #define ED_BUTTON_MINUS_XPOS            2
 223 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 224 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 225 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 226 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 227                                          ED_WIN_COUNT_XSIZE + 2)
 228 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 229 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 230 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 231
 232 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 233 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 234                                          2 + ED_WIN_COUNT_YSIZE)
 235 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 236 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 237
 238 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 239 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 240                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 241 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 242
 243 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 244 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS + \
 245                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 246 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS + \
 247                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 248
 249 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 250 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 251
 252 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 253 #define INFOTEXT_XPOS                   SX
 254 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 255 #define INFOTEXT_XSIZE                  SXSIZE
 256 #define INFOTEXT_YSIZE                  MINI_TILEX
 257
 258
 259 /*
 260   -----------------------------------------------------------------------------
 261   editor gadget definitions
 262   -----------------------------------------------------------------------------
 263 */
 264
 265 /* drawing toolbox buttons */
 266 #define GADGET_ID_NONE                  -1
 267 #define GADGET_ID_TOOLBOX_FIRST         0
 268
 269 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 270 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 271 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 272 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 273 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 274 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 275 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 276 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 277 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 278 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 279 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 280 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 281 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 282 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 283 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 284 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 285 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 286 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 287 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 288 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 289 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 290 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 291
 292 /* counter button identifiers */
 293 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 294
 295 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 296 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 297 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 298 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 299 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 300 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 301 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 302 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 303 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 304 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 305 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 306 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 307 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 308 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 309 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 310 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 311 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 312 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 313 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 314 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 315 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 316 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 317 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 318 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 319 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 320 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 321 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 322 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 27)
 323 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 28)
 324 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 29)
 325 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 30)
 326 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 31)
 327 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 32)
 328 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 329 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 330 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 35)
 331 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 332 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 333 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 38)
 334 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 335 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 336 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 41)
 337 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 42)
 338 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 43)
 339 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 44)
 340 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 45)
 341 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 46)
 342 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 47)
 343 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 48)
 344 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 49)
 345 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 50)
 346 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 51)
 347 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 52)
 348 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 53)
 349
 350 /* drawing area identifiers */
 351 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 54)
 352
 353 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 354 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 355 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 356 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 357 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 358 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 359 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 360 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 361 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 362 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 363 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 364 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 365 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 366 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 13)
 367 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 14)
 368 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 15)
 369
 370 /* text input identifiers */
 371 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 16)
 372
 373 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 374 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 375 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 376
 377 /* selectbox identifiers */
 378 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 379
 380 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 0)
 381 #define GADGET_ID_CUSTOM_CONSISTENCY    (GADGET_ID_SELECTBOX_FIRST + 1)
 382 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 2)
 383 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 3)
 384 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 4)
 385 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 5)
 386 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 6)
 387 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 7)
 388 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 8)
 389 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 9)
 390 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 10)
 391 #define GADGET_ID_CHANGE_PLAYER_ACTION  (GADGET_ID_SELECTBOX_FIRST + 11)
 392 #define GADGET_ID_CHANGE_COLLIDE_ACTION (GADGET_ID_SELECTBOX_FIRST + 12)
 393 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 13)
 394 #define GADGET_ID_CHANGE_POWER          (GADGET_ID_SELECTBOX_FIRST + 14)
 395
 396 /* textbutton identifiers */
 397 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 15)
 398
 399 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 400 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 401 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 402 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 3)
 403
 404 /* gadgets for scrolling of drawing area */
 405 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_TEXTBUTTON_FIRST + 4)
 406
 407 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 408 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 409 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 410 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 411 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 412 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 413
 414 /* gadgets for scrolling element list */
 415 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 416
 417 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 418 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 419 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 420
 421 /* checkbuttons for level/element properties */
 422 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 423
 424 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 425 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 426 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 427 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 428 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 429 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 430 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 431 #define GADGET_ID_CUSTOM_EXPLODE_RESULT (GADGET_ID_CHECKBUTTON_FIRST + 7)
 432 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 433 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 9)
 434 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 10)
 435 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 11)
 436 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 12)
 437 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 438 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 439 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 440 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 16)
 441 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 17)
 442 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 443 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 444 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 445 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 21)
 446 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 22)
 447 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 448 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 24)
 449 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 25)
 450 #define GADGET_ID_CHANGE_BY_PLAYER      (GADGET_ID_CHECKBUTTON_FIRST + 26)
 451 #define GADGET_ID_CHANGE_BY_COLLISION   (GADGET_ID_CHECKBUTTON_FIRST + 27)
 452 #define GADGET_ID_CHANGE_BY_OTHER       (GADGET_ID_CHECKBUTTON_FIRST + 28)
 453
 454 /* gadgets for buttons in element list */
 455 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 29)
 456 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 457                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 458
 459 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 460
 461 /* radio button numbers */
 462 #define RADIO_NR_NONE                   0
 463 #define RADIO_NR_DRAWING_TOOLBOX        1
 464 #define RADIO_NR_RANDOM_ELEMENTS        2
 465
 466 /* values for counter gadgets */
 467 #define ED_COUNTER_ID_SELECT_LEVEL      0
 468 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 469 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 470 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 471 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 472 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 473 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 474 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 475 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 476 #define ED_COUNTER_ID_CUSTOM_SCORE      9
 477 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   10
 478 #define ED_COUNTER_ID_PUSH_DELAY_FIX    11
 479 #define ED_COUNTER_ID_PUSH_DELAY_RND    12
 480 #define ED_COUNTER_ID_MOVE_DELAY_FIX    13
 481 #define ED_COUNTER_ID_MOVE_DELAY_RND    14
 482 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  15
 483 #define ED_COUNTER_ID_CHANGE_DELAY_RND  16
 484 #define ED_COUNTER_ID_CHANGE_CONT_RND   17
 485
 486 #define ED_NUM_COUNTERBUTTONS           18
 487
 488 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 489 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 490
 491 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM_SCORE
 492 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_MOVE_DELAY_RND
 493
 494 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 495 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 496
 497 /* values for scrollbutton gadgets */
 498 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 499 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 500 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 501 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 502 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 503 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 504
 505 #define ED_NUM_SCROLLBUTTONS            6
 506
 507 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 508 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 509
 510 /* values for scrollbar gadgets */
 511 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 512 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 513 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 514
 515 #define ED_NUM_SCROLLBARS               3
 516
 517 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 518 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 519
 520 /* values for text input gadgets */
 521 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 522 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 523 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 524
 525 #define ED_NUM_TEXTINPUT                3
 526
 527 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 528 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 529
 530 /* values for selectbox gadgets */
 531 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      0
 532 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     1
 533 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   2
 534 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     3
 535 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   4
 536 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    5
 537 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    6
 538 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    7
 539 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       8
 540 #define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY      9
 541 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       10
 542 #define ED_SELECTBOX_ID_CHANGE_PLAYER_ACTION    11
 543 #define ED_SELECTBOX_ID_CHANGE_COLLIDE_ACTION   12
 544 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     13
 545 #define ED_SELECTBOX_ID_CHANGE_POWER            14
 546
 547 #define ED_NUM_SELECTBOX                        15
 548
 549 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 550 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_CONSISTENCY
 551
 552 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 553 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_CHANGE_POWER
 554
 555 /* values for textbutton gadgets */
 556 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 557 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 558 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 559 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       3
 560
 561 #define ED_NUM_TEXTBUTTON                       4
 562
 563 /* values for checkbutton gadgets */
 564 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 565 #define ED_CHECKBUTTON_ID_GRAVITY               1
 566 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 567 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 568 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 569 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     5
 570 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 6
 571 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       7
 572 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       8
 573 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      9
 574 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       10
 575 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         11
 576 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT 12
 577 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   13
 578 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  14
 579 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 15
 580 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    16
 581 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     17
 582 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          18
 583 #define ED_CHECKBUTTON_ID_CHANGE_BY_PLAYER      19
 584 #define ED_CHECKBUTTON_ID_CHANGE_BY_COLLISION   20
 585 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER       21
 586 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  22
 587 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    23
 588 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  24
 589 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     25
 590 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   26
 591
 592 #define ED_NUM_CHECKBUTTONS                     27
 593
 594 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 595 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 596
 597 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE
 598 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 599
 600 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 601 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE
 602
 603 /* values for radiobutton gadgets */
 604 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 605 #define ED_RADIOBUTTON_ID_QUANTITY      1
 606
 607 #define ED_NUM_RADIOBUTTONS             2
 608
 609 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 610 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 611
 612 /* values for drawing area gadgets */
 613 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 614 #define ED_DRAWING_ID_ELEMENT_CONTENT_0         1
 615 #define ED_DRAWING_ID_ELEMENT_CONTENT_1         2
 616 #define ED_DRAWING_ID_ELEMENT_CONTENT_2         3
 617 #define ED_DRAWING_ID_ELEMENT_CONTENT_3         4
 618 #define ED_DRAWING_ID_ELEMENT_CONTENT_4         5
 619 #define ED_DRAWING_ID_ELEMENT_CONTENT_5         6
 620 #define ED_DRAWING_ID_ELEMENT_CONTENT_6         7
 621 #define ED_DRAWING_ID_ELEMENT_CONTENT_7         8
 622 #define ED_DRAWING_ID_AMOEBA_CONTENT            9
 623 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            10
 624 #define ED_DRAWING_ID_CUSTOM_CONTENT            11
 625 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      12
 626 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     13
 627 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     14
 628 #define ED_DRAWING_ID_RANDOM_BACKGROUND         15
 629
 630 #define ED_NUM_DRAWING_AREAS                    16
 631
 632
 633 /*
 634   -----------------------------------------------------------------------------
 635   some internally used definitions
 636   -----------------------------------------------------------------------------
 637 */
 638
 639 /* values for CopyLevelToUndoBuffer() */
 640 #define UNDO_IMMEDIATE                  0
 641 #define UNDO_ACCUMULATE                 1
 642
 643 /* values for scrollbars */
 644 #define ED_SCROLL_NO                    0
 645 #define ED_SCROLL_LEFT                  1
 646 #define ED_SCROLL_RIGHT                 2
 647 #define ED_SCROLL_UP                    4
 648 #define ED_SCROLL_DOWN                  8
 649
 650 /* screens in the level editor */
 651 #define ED_MODE_DRAWING                 0
 652 #define ED_MODE_INFO                    1
 653 #define ED_MODE_PROPERTIES              2
 654
 655 /* sub-screens in the element properties section */
 656 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 657 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 658 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 659
 660 /* how many steps can be cancelled */
 661 #define NUM_UNDO_STEPS                  (10 + 1)
 662
 663 /* values for elements with score */
 664 #define MIN_SCORE                       0
 665 #define MAX_SCORE                       255
 666
 667 /* values for elements with gem count */
 668 #define MIN_GEM_COUNT                   0
 669 #define MAX_GEM_COUNT                   100
 670
 671 /* values for random placement */
 672 #define RANDOM_USE_PERCENTAGE           0
 673 #define RANDOM_USE_QUANTITY             1
 674
 675 /* maximal size of level editor drawing area */
 676 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 677 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 678
 679
 680 /*
 681   -----------------------------------------------------------------------------
 682   some internally used data structure definitions
 683   -----------------------------------------------------------------------------
 684 */
 685
 686 static struct
 687 {
 688   char shortcut;
 689   char *text;
 690 } control_info[ED_NUM_CTRL_BUTTONS] =
 691 {
 692   { 's',        "draw single items"             },
 693   { 'd',        "draw connected items"          },
 694   { 'l',        "draw lines"                    },
 695   { 'a',        "draw arcs"                     },
 696   { 'r',        "draw outline rectangles"       },
 697   { 'R',        "draw filled rectangles"        },
 698   { '\0',       "wrap (rotate) level up"        },
 699   { 't',        "enter text elements"           },
 700   { 'f',        "flood fill"                    },
 701   { '\0',       "wrap (rotate) level left"      },
 702   { '?',        "properties of drawing element" },
 703   { '\0',       "wrap (rotate) level right"     },
 704   { '\0',       "random element placement"      },
 705   { 'b',        "grab brush"                    },
 706   { '\0',       "wrap (rotate) level down"      },
 707   { ',',        "pick drawing element"          },
 708   { 'U',        "undo last operation"           },
 709   { 'I',        "level properties"              },
 710   { 'S',        "save level"                    },
 711   { 'C',        "clear level"                   },
 712   { 'T',        "test level"                    },
 713   { 'E',        "exit level editor"             }
 714 };
 715
 716 static int random_placement_value = 10;
 717 static int random_placement_method = RANDOM_USE_QUANTITY;
 718 static int random_placement_background_element = EL_SAND;
 719 static boolean random_placement_background_restricted = FALSE;
 720 static boolean stick_element_properties_window = FALSE;
 721 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 722 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 723 static struct ElementInfo custom_element;
 724
 725 static struct
 726 {
 727   int x, y;
 728   int min_value, max_value;
 729   int gadget_id_down, gadget_id_up;
 730   int gadget_id_text;
 731   int *value;
 732   char *text_above, *text_left, *text_right;
 733 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 734 {
 735   /* ---------- level and editor settings ---------------------------------- */
 736
 737   {
 738     DX + 5 - SX,                        DY + 3 - SY,
 739     1,                                  100,
 740     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 741     GADGET_ID_SELECT_LEVEL_TEXT,
 742     &level_nr,
 743     NULL,                               NULL, NULL
 744   },
 745   {
 746     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 747     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 748     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 749     GADGET_ID_LEVEL_XSIZE_TEXT,
 750     &level.fieldx,
 751     "playfield size",                   NULL, "width",
 752   },
 753   {
 754     ED_SETTINGS_XPOS(0) + 2 * DXSIZE,   ED_COUNTER_YPOS(2),
 755     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 756     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 757     GADGET_ID_LEVEL_YSIZE_TEXT,
 758     &level.fieldy,
 759     NULL,                               NULL, "height",
 760   },
 761   {
 762     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 763     0,                                  999,
 764     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
 765     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 766     &level.gems_needed,
 767     "number of emeralds to collect",    NULL, NULL
 768   },
 769   {
 770     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 771     0,                                  999,
 772     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 773     GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 774     &level.time,
 775     "time available to solve level",    NULL, "(0 => no time limit)"
 776   },
 777   {
 778     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 779     0,                                  255,
 780     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 781     GADGET_ID_LEVEL_TIMESCORE_TEXT,
 782     &level.score[SC_TIME_BONUS],
 783     "score for each 10 seconds left",   NULL, NULL
 784   },
 785   {
 786     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 787     1,                                  100,
 788     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 789     GADGET_ID_LEVEL_RANDOM_TEXT,
 790     &random_placement_value,
 791     "random element placement",         NULL, "in"
 792   },
 793
 794   /* ---------- element settings: configure (various elements) ------------- */
 795
 796   {
 797     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 798     MIN_SCORE,                          MAX_SCORE,
 799     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 800     GADGET_ID_ELEMENT_SCORE_TEXT,
 801     NULL,                               /* will be set when used */
 802     NULL,                               NULL, NULL
 803   },
 804   {
 805     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 806     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 807     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 808     GADGET_ID_ELEMENT_CONTENT_TEXT,
 809     &level.num_yamyam_contents,
 810     NULL,                               NULL, "number of content areas"
 811   },
 812
 813   /* ---------- element settings: configure (custom elements) ------------- */
 814
 815   {
 816     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
 817     MIN_SCORE,                          MAX_SCORE,
 818     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
 819     GADGET_ID_CUSTOM_SCORE_TEXT,
 820     &custom_element.score,
 821     NULL,                               "collect score", NULL
 822   },
 823   {
 824     ED_SETTINGS_XPOS(13) + 10,          ED_SETTINGS_YPOS(3),
 825     MIN_GEM_COUNT,                      MAX_GEM_COUNT,
 826     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
 827     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 828     &custom_element.gem_count,
 829     NULL,                               "gems", NULL
 830   },
 831   {
 832     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 833     0,                                  999,
 834     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
 835     GADGET_ID_PUSH_DELAY_FIX_TEXT,
 836     &custom_element.push_delay_fixed,
 837     NULL,                               "push delay", NULL
 838   },
 839   {
 840     ED_COUNT_PUSH_DELAY_RND_XPOS,       ED_SETTINGS_YPOS(4),
 841     0,                                  999,
 842     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
 843     GADGET_ID_PUSH_DELAY_RND_TEXT,
 844     &custom_element.push_delay_random,
 845     NULL,                               "+random", NULL
 846   },
 847   {
 848     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
 849     0,                                  999,
 850     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
 851     GADGET_ID_MOVE_DELAY_FIX_TEXT,
 852     &custom_element.move_delay_fixed,
 853     NULL,                               "move delay", NULL
 854   },
 855   {
 856     ED_COUNT_MOVE_DELAY_RND_XPOS,       ED_SETTINGS_YPOS(7),
 857     0,                                  999,
 858     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
 859     GADGET_ID_MOVE_DELAY_RND_TEXT,
 860     &custom_element.move_delay_random,
 861     NULL,                               "+random", NULL
 862   },
 863
 864   /* ---------- element settings: advanced (custom elements) --------------- */
 865
 866   {
 867     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(3),
 868     0,                                  999,
 869     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 870     GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 871     &custom_element.change.delay_fixed,
 872     NULL,                               "delay", NULL,
 873   },
 874   {
 875     ED_COUNT_CHANGE_DELAY_RND_XPOS,     ED_SETTINGS_YPOS(3),
 876     0,                                  999,
 877     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 878     GADGET_ID_CHANGE_DELAY_RND_TEXT,
 879     &custom_element.change.delay_random,
 880     NULL,                               "+random", NULL
 881   },
 882   {
 883     ED_SETTINGS_XPOS(3),                ED_SETTINGS_YPOS(12),
 884     0,                                  100,
 885     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
 886     GADGET_ID_CHANGE_CONT_RND_TEXT,
 887     &custom_element.change.random,
 888     NULL,                               "use random change:", NULL
 889   },
 890 };
 891
 892 static struct
 893 {
 894   int x, y;
 895   int gadget_id;
 896   int size;
 897   char *value;
 898   char *infotext;
 899 } textinput_info[ED_NUM_TEXTINPUT] =
 900 {
 901   {
 902     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
 903     GADGET_ID_LEVEL_NAME,
 904     MAX_LEVEL_NAME_LEN,
 905     level.name,
 906     "Title"
 907   },
 908   {
 909     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 910     GADGET_ID_LEVEL_AUTHOR,
 911     MAX_LEVEL_AUTHOR_LEN,
 912     level.author,
 913     "Author"
 914   },
 915   {
 916     5 * MINI_TILEX,                     5 * MINI_TILEY - ED_BORDER_SIZE,
 917     GADGET_ID_ELEMENT_NAME,
 918     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
 919     custom_element.description,
 920     NULL
 921   }
 922 };
 923
 924 static struct ValueTextInfo options_access_type[] =
 925 {
 926   { EP_WALKABLE,                "walk"                          },
 927   { EP_PASSABLE,                "pass"                          },
 928   { -1,                         NULL                            }
 929 };
 930
 931 static struct ValueTextInfo options_access_layer[] =
 932 {
 933   { EP_ACCESSIBLE_OVER,         "over"                          },
 934   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
 935   { EP_ACCESSIBLE_UNDER,        "under"                         },
 936   { -1,                         NULL                            }
 937 };
 938
 939 static struct ValueTextInfo options_walk_to_action[] =
 940 {
 941   { EP_DIGGABLE,                "diggable"                      },
 942   { EP_COLLECTIBLE,             "collectible"                   },
 943   { EP_PUSHABLE,                "pushable"                      },
 944   { -1,                         NULL                            }
 945 };
 946
 947 static struct ValueTextInfo options_move_pattern[] =
 948 {
 949   { MV_LEFT,                    "left"                          },
 950   { MV_RIGHT,                   "right"                         },
 951   { MV_UP,                      "up"                            },
 952   { MV_DOWN,                    "down"                          },
 953   { MV_HORIZONTAL,              "horizontal"                    },
 954   { MV_VERTICAL,                "vertical"                      },
 955   { MV_ALL_DIRECTIONS,          "all directions"                },
 956   { MV_TOWARDS_PLAYER,          "towards player"                },
 957   { MV_AWAY_FROM_PLAYER,        "away from player"              },
 958   { MV_ALONG_LEFT_SIDE,         "along left side"               },
 959   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
 960   { MV_TURNING_LEFT,            "turning left"                  },
 961   { MV_TURNING_RIGHT,           "turning right"                 },
 962   { -1,                         NULL                            }
 963 };
 964
 965 static struct ValueTextInfo options_move_direction[] =
 966 {
 967   { MV_NO_MOVING,               "automatic"                     },
 968   { MV_LEFT,                    "left"                          },
 969   { MV_RIGHT,                   "right"                         },
 970   { MV_UP,                      "up"                            },
 971   { MV_DOWN,                    "down"                          },
 972   { -1,                         NULL                            }
 973 };
 974
 975 static struct ValueTextInfo options_move_stepsize[] =
 976 {
 977   { 1,                          "very slow"                     },
 978   { 2,                          "slow"                          },
 979   { 4,                          "normal"                        },
 980   { 8,                          "fast"                          },
 981   { 16,                         "very fast"                     },
 982   { -1,                         NULL                            }
 983 };
 984
 985 static struct ValueTextInfo options_smash_targets[] =
 986 {
 987   { EP_CAN_SMASH_PLAYER,        "player"                        },
 988 #if 0
 989   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
 990 #endif
 991   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
 992   { -1,                         NULL                            }
 993 };
 994
 995 static struct ValueTextInfo options_slippery_type[] =
 996 {
 997   { SLIPPERY_ANY_RANDOM,        "random"                        },
 998   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
 999   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1000   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1001   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1002   { -1,                         NULL                            }
1003 };
1004
1005 static struct ValueTextInfo options_deadliness[] =
1006 {
1007   { EP_DONT_RUN_INTO,           "running into"                  },
1008   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1009   { EP_DONT_TOUCH,              "touching"                      },
1010   { -1,                         NULL                            }
1011 };
1012
1013 static struct ValueTextInfo options_consistency[] =
1014 {
1015   { EP_CAN_EXPLODE,             "can explode"                   },
1016   { EP_INDESTRUCTIBLE,          "indestructible"                },
1017   { -1,                         NULL                            }
1018 };
1019
1020 static struct ValueTextInfo options_time_units[] =
1021 {
1022   { 50,                         "seconds"                       },
1023   { 1,                          "frames"                        },
1024   { -1,                         NULL                            }
1025 };
1026
1027 static struct ValueTextInfo options_change_player_action[] =
1028 {
1029   { CE_TOUCHED_BY_PLAYER,       "touched"                       },
1030   { CE_PRESSED_BY_PLAYER,       "pressed"                       },
1031   { CE_PUSHED_BY_PLAYER,        "pushed"                        },
1032   { -1,                         NULL                            }
1033 };
1034
1035 static struct ValueTextInfo options_change_collide_action[] =
1036 {
1037   { CE_COLLISION,               "on collision"                  },
1038   { CE_IMPACT,                  "on impact"                     },
1039   { CE_SMASHED,                 "when smashed"                  },
1040   { -1,                         NULL                            }
1041 };
1042
1043 static struct ValueTextInfo options_change_other_action[] =
1044 {
1045   { CE_OTHER_IS_TOUCHING,               "touching"                      },
1046   { CE_OTHER_IS_CHANGING,               "change of"                     },
1047   { CE_OTHER_IS_EXPLODING,              "explosion of"                  },
1048   { CE_OTHER_GETS_TOUCHED,              "player touches"                },
1049   { CE_OTHER_GETS_PRESSED,              "player presses"                },
1050   { CE_OTHER_GETS_PUSHED,               "player pushes"                 },
1051   { CE_OTHER_GETS_COLLECTED,            "player collects"               },
1052   { -1,                         NULL                                    }
1053 };
1054
1055 static struct ValueTextInfo options_change_power[] =
1056 {
1057   { CP_NON_DESTRUCTIVE,         "non-destructive"               },
1058   { CP_HALF_DESTRUCTIVE,        "half-destructive"              },
1059   { CP_FULL_DESTRUCTIVE,        "full-destructive"              },
1060   { -1,                         NULL                            }
1061 };
1062
1063 static struct
1064 {
1065   int x, y;
1066   int gadget_id;
1067   int size;     /* char size of selectbox or '-1' (dynamically determined) */
1068   struct ValueTextInfo *options;
1069   int *value;
1070   char *text_left, *text_right, *infotext;
1071 } selectbox_info[ED_NUM_SELECTBOX] =
1072 {
1073   /* ---------- element settings: configure (custom elements) ------------- */
1074
1075   {
1076     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(1),
1077     GADGET_ID_CUSTOM_ACCESS_TYPE,
1078     -1,
1079     options_access_type,
1080     &custom_element.access_type,
1081     "player can", NULL, "type of access to this field"
1082   },
1083   {
1084     ED_SETTINGS_XPOS(11),               ED_SETTINGS_YPOS(1),
1085     GADGET_ID_CUSTOM_ACCESS_LAYER,
1086     -1,
1087     options_access_layer,
1088     &custom_element.access_layer,
1089     NULL, NULL, "layer of access for this field"
1090   },
1091   {
1092     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1093     GADGET_ID_CUSTOM_WALK_TO_ACTION,
1094     -1,
1095     options_walk_to_action,
1096     &custom_element.walk_to_action,
1097     NULL, NULL, "diggable/collectible/pushable"
1098   },
1099   {
1100     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1101     GADGET_ID_CUSTOM_MOVE_PATTERN,
1102     -1,
1103     options_move_pattern,
1104     &custom_element.move_pattern,
1105     "can move", NULL, "element move direction"
1106   },
1107   {
1108     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1109     GADGET_ID_CUSTOM_MOVE_DIRECTION,
1110     -1,
1111     options_move_direction,
1112     &custom_element.move_direction_initial,
1113     "starts moving", NULL, "initial element move direction"
1114   },
1115   {
1116     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1117     GADGET_ID_CUSTOM_MOVE_STEPSIZE,
1118     -1,
1119     options_move_stepsize,
1120     &custom_element.move_stepsize,
1121     "move/fall speed", NULL, "speed of element movement"
1122   },
1123   {
1124     ED_SETTINGS_XPOS(7),                ED_SETTINGS_YPOS(9),
1125     GADGET_ID_CUSTOM_SMASH_TARGETS,
1126     -1,
1127     options_smash_targets,
1128     &custom_element.smash_targets,
1129     "can smash", NULL, "elements that can be smashed"
1130   },
1131   {
1132     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(10),
1133     GADGET_ID_CUSTOM_SLIPPERY_TYPE,
1134     -1,
1135     options_slippery_type,
1136     &custom_element.slippery_type,
1137     "slippery", NULL, "where other elements fall down"
1138   },
1139   {
1140     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(11),
1141     GADGET_ID_CUSTOM_DEADLINESS,
1142     -1,
1143     options_deadliness,
1144     &custom_element.deadliness,
1145     "deadly when", NULL, "deadliness of element"
1146   },
1147   {
1148     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(12),
1149     GADGET_ID_CUSTOM_CONSISTENCY,
1150     -1,
1151     options_consistency,
1152     &custom_element.consistency,
1153     NULL, "explodes to:", "consistency/destructibility"
1154   },
1155
1156   /* ---------- element settings: advanced (custom elements) --------------- */
1157
1158   {
1159     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
1160     GADGET_ID_CHANGE_TIME_UNITS,
1161     -1,
1162     options_time_units,
1163     &custom_element.change.delay_frames,
1164     "delay time given in", NULL, "delay time units for change"
1165   },
1166   {
1167     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(5),
1168     GADGET_ID_CHANGE_PLAYER_ACTION,
1169     -1,
1170     options_change_player_action,
1171     &custom_element.change_player_action,
1172     NULL, "by player", "type of player contact"
1173   },
1174   {
1175     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(6),
1176     GADGET_ID_CHANGE_COLLIDE_ACTION,
1177     -1,
1178     options_change_collide_action,
1179     &custom_element.change_collide_action,
1180     NULL, NULL, "change after impact or smash"
1181   },
1182   {
1183     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(7),
1184     GADGET_ID_CHANGE_OTHER_ACTION,
1185     -1,
1186     options_change_other_action,
1187     &custom_element.change_other_action,
1188     NULL, "element:", "type of other element action"
1189   },
1190   {
1191     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(10),
1192     GADGET_ID_CHANGE_POWER,
1193     -1,
1194     options_change_power,
1195     &custom_element.change.power,
1196     "power:", NULL, "power of extended change"
1197   },
1198 };
1199
1200 static struct
1201 {
1202   int x, y;
1203   int gadget_id;
1204   int size;
1205   char *text, *infotext;
1206 } textbutton_info[ED_NUM_TEXTBUTTON] =
1207 {
1208   {
1209     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1210     GADGET_ID_PROPERTIES_INFO,
1211     11, "Information",                  "Show information about element"
1212   },
1213   {
1214     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
1215     GADGET_ID_PROPERTIES_CONFIG,
1216     11, "Configure",                    "Configure element properties"
1217   },
1218   {
1219     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
1220     GADGET_ID_PROPERTIES_ADVANCED,
1221     11, "Advanced",                     "Advanced element configuration"
1222   },
1223   {
1224     ED_SETTINGS_XPOS(0) + 262,          ED_SETTINGS_YPOS(13),
1225     GADGET_ID_SAVE_AS_TEMPLATE,
1226     -1, "Save as template",             "Save current settings as new template"
1227   },
1228 };
1229
1230 static struct
1231 {
1232   int gd_x, gd_y;
1233   int x, y;
1234   int gadget_id;
1235   char *infotext;
1236 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
1237 {
1238   {
1239     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
1240     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
1241     GADGET_ID_SCROLL_UP,
1242     "scroll level editing area up"
1243   },
1244   {
1245     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
1246     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
1247     GADGET_ID_SCROLL_DOWN,
1248     "scroll level editing area down"
1249   },
1250   {
1251     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
1252     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
1253     GADGET_ID_SCROLL_LEFT,
1254     "scroll level editing area left"
1255   },
1256   {
1257     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1258     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1259     GADGET_ID_SCROLL_RIGHT,
1260     "scroll level editing area right"
1261   },
1262   {
1263     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1264     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1265     GADGET_ID_SCROLL_LIST_UP,
1266     "scroll element list up ('Page Up')"
1267   },
1268   {
1269     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1270     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
1271     GADGET_ID_SCROLL_LIST_DOWN,
1272     "scroll element list down ('Page Down')"
1273   }
1274 };
1275
1276 static struct
1277 {
1278   int gd_x, gd_y;
1279   int x, y;
1280   int width, height;
1281   int type;
1282   int gadget_id;
1283   char *infotext;
1284 } scrollbar_info[ED_NUM_SCROLLBARS] =
1285 {
1286   {
1287     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1288     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1289     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1290     GD_TYPE_SCROLLBAR_HORIZONTAL,
1291     GADGET_ID_SCROLL_HORIZONTAL,
1292     "scroll level editing area horizontally"
1293   },
1294   {
1295     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1296     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1297     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1298     GD_TYPE_SCROLLBAR_VERTICAL,
1299     GADGET_ID_SCROLL_VERTICAL,
1300     "scroll level editing area vertically"
1301   },
1302   {
1303     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1304     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1305     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1306     GD_TYPE_SCROLLBAR_VERTICAL,
1307     GADGET_ID_SCROLL_LIST_VERTICAL,
1308     "scroll element list vertically"
1309   }
1310 };
1311
1312 static struct
1313 {
1314   int x, y;
1315   int gadget_id;
1316   int radio_button_nr;
1317   int *value;
1318   int checked_value;
1319   char *text_right, *infotext;
1320 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1321 {
1322   {
1323     ED_SETTINGS_XPOS(0) + 160,          ED_COUNTER2_YPOS(8),
1324     GADGET_ID_RANDOM_PERCENTAGE,
1325     RADIO_NR_RANDOM_ELEMENTS,
1326     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1327     "percentage",                       "use percentage for random elements"
1328   },
1329   {
1330     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER2_YPOS(8),
1331     GADGET_ID_RANDOM_QUANTITY,
1332     RADIO_NR_RANDOM_ELEMENTS,
1333     &random_placement_method,           RANDOM_USE_QUANTITY,
1334     "quantity",                         "use quantity for random elements"
1335   }
1336 };
1337
1338 static struct
1339 {
1340   int x, y;
1341   int gadget_id;
1342   boolean *value;
1343   char *text_right, *infotext;
1344 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1345 {
1346   /* ---------- level and editor settings ---------------------------------- */
1347
1348   {
1349     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1350     GADGET_ID_DOUBLE_SPEED,
1351     &level.double_speed,
1352     "double speed movement",            "set movement speed of player"
1353   },
1354   {
1355     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER_YPOS(6) - MINI_TILEY,
1356     GADGET_ID_GRAVITY,
1357     &level.gravity,
1358     "gravity",                          "set level gravity"
1359   },
1360   {
1361     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1362     GADGET_ID_RANDOM_RESTRICTED,
1363     &random_placement_background_restricted,
1364     "restrict random placement to",     "set random placement restriction"
1365   },
1366
1367   /* ---------- element settings: configure (various elements) ------------- */
1368
1369   {
1370     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
1371     GADGET_ID_STICK_ELEMENT,
1372     &stick_element_properties_window,
1373     "stick this screen to edit content","stick this screen to edit content"
1374   },
1375   {
1376     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1377     GADGET_ID_EM_SLIPPERY_GEMS,
1378     &level.em_slippery_gems,
1379     "slip down from certain flat walls","use EM style slipping behaviour"
1380   },
1381
1382   /* ---------- element settings: configure (custom elements) ------------- */
1383
1384   {
1385     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1386     GADGET_ID_CUSTOM_ACCESSIBLE,
1387     &custom_element_properties[EP_ACCESSIBLE],
1388     NULL,                               "player can walk to or pass this field"
1389   },
1390   {
1391     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1392     GADGET_ID_CUSTOM_WALK_TO_OBJECT,
1393     &custom_element_properties[EP_WALK_TO_OBJECT],
1394     NULL,                               "player can dig/collect/push element"
1395   },
1396   {
1397     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1398     GADGET_ID_CUSTOM_CAN_MOVE,
1399     &custom_element_properties[EP_CAN_MOVE],
1400     NULL,                               "element can move in some direction"
1401   },
1402   {
1403     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(9),
1404     GADGET_ID_CUSTOM_CAN_FALL,
1405     &custom_element_properties[EP_CAN_FALL],
1406     "can fall",                         "element can fall down"
1407   },
1408   {
1409     ED_SETTINGS_XPOS(6),                ED_SETTINGS_YPOS(9),
1410     GADGET_ID_CUSTOM_CAN_SMASH,
1411     &custom_element_properties[EP_CAN_SMASH],
1412     NULL,                               "element can smash other elements"
1413   },
1414   {
1415     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1416     GADGET_ID_CUSTOM_SLIPPERY,
1417     &custom_element_properties[EP_SLIPPERY],
1418     NULL,                               "other elements can fall down from it"
1419   },
1420   {
1421     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(11),
1422     GADGET_ID_CUSTOM_DEADLY,
1423     &custom_element_properties[EP_DEADLY],
1424     NULL,                               "element can kill the player"
1425   },
1426   {
1427     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1428     GADGET_ID_CUSTOM_EXPLODE_RESULT,
1429     &custom_element_properties[EP_EXPLODE_RESULT],
1430     NULL,                               "set consistency/destructibility"
1431   },
1432   {
1433     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(13),
1434     GADGET_ID_CUSTOM_EXPLODE_FIRE,
1435     &custom_element.can_explode_by_fire,
1436     "by fire",                          "element can explode by fire/explosion"
1437   },
1438   {
1439     ED_SETTINGS_XPOS(7),                ED_SETTINGS_YPOS(13),
1440     GADGET_ID_CUSTOM_EXPLODE_SMASH,
1441     &custom_element.can_explode_smashed,
1442     "smashed",                          "element can explode when smashed"
1443   },
1444   {
1445     ED_SETTINGS_XPOS(13),               ED_SETTINGS_YPOS(13),
1446     GADGET_ID_CUSTOM_EXPLODE_IMPACT,
1447     &custom_element.can_explode_impact,
1448     "impact",                           "element can explode on impact"
1449   },
1450
1451   /* ---------- element settings: advanced (custom elements) --------------- */
1452
1453   {
1454     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1455     GADGET_ID_CUSTOM_USE_GRAPHIC,
1456     &custom_element.use_gfx_element,
1457     "use graphic of element:",          "use graphic for custom element"
1458   },
1459   {
1460     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1461     GADGET_ID_CUSTOM_CAN_CHANGE,
1462     &custom_element_properties[EP_CAN_CHANGE],
1463     "element changes to    after/when:","element can change to other element"
1464   },
1465   {
1466     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1467     GADGET_ID_CHANGE_DELAY,
1468     &custom_element_change_events[CE_DELAY],
1469     NULL,                               "element changes after delay"
1470   },
1471   {
1472     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1473     GADGET_ID_CHANGE_BY_PLAYER,
1474     &custom_element_change_events[CE_BY_PLAYER],
1475     NULL,                               "element changes by player contact"
1476   },
1477   {
1478     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1479     GADGET_ID_CHANGE_BY_COLLISION,
1480     &custom_element_change_events[CE_BY_COLLISION],
1481     NULL,                               "element changes by impact or smash"
1482   },
1483   {
1484     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
1485     GADGET_ID_CHANGE_BY_OTHER,
1486     &custom_element_change_events[CE_BY_OTHER],
1487     NULL,                               "element changes by other element"
1488   },
1489   {
1490     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1491     GADGET_ID_CHANGE_USE_EXPLOSION,
1492     &custom_element.change.explode,
1493     "explode instead of change",        "element explodes instead of change"
1494   },
1495   {
1496     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
1497     GADGET_ID_CHANGE_USE_CONTENT,
1498     &custom_element.change.use_content,
1499     "use extended change target:",      "element changes to more elements"
1500   },
1501   {
1502     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(11),
1503     GADGET_ID_CHANGE_ONLY_COMPLETE,
1504     &custom_element.change.only_complete,
1505     "only use complete change",         "only use complete extended content"
1506   },
1507   {
1508     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(12),
1509     GADGET_ID_CHANGE_USE_RANDOM,
1510     &custom_element.change.use_random_change,
1511     NULL,                               "use random value for new content"
1512   },
1513   {
1514     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(13),
1515     GADGET_ID_CUSTOM_USE_TEMPLATE,
1516     &level.use_custom_template,
1517     "use template",                     "use template for custom properties"
1518   },
1519 };
1520
1521 static struct
1522 {
1523   int x, y;
1524   int area_xsize, area_ysize;
1525   int gadget_id;
1526   char *text_left;
1527 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
1528 {
1529   /* ---------- level playfield content ------------------------------------ */
1530
1531   {
1532     0, 0,
1533     MAX_ED_FIELDX, MAX_ED_FIELDY,
1534     GADGET_ID_DRAWING_LEVEL,
1535     NULL
1536   },
1537
1538   /* ---------- yam yam content -------------------------------------------- */
1539
1540   {
1541     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
1542     3, 3,
1543     GADGET_ID_ELEMENT_CONTENT_0,
1544     NULL
1545   },
1546   {
1547     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
1548     3, 3,
1549     GADGET_ID_ELEMENT_CONTENT_1,
1550     NULL
1551   },
1552   {
1553     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
1554     3, 3,
1555     GADGET_ID_ELEMENT_CONTENT_2,
1556     NULL
1557   },
1558   {
1559     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
1560     3, 3,
1561     GADGET_ID_ELEMENT_CONTENT_3,
1562     NULL
1563   },
1564   {
1565     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
1566     3, 3,
1567     GADGET_ID_ELEMENT_CONTENT_4,
1568     NULL
1569   },
1570   {
1571     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
1572     3, 3,
1573     GADGET_ID_ELEMENT_CONTENT_5,
1574     NULL
1575   },
1576   {
1577     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
1578     3, 3,
1579     GADGET_ID_ELEMENT_CONTENT_6,
1580     NULL
1581   },
1582   {
1583     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
1584     3, 3,
1585     GADGET_ID_ELEMENT_CONTENT_7,
1586     NULL
1587   },
1588
1589   /* ---------- amoeba content --------------------------------------------- */
1590
1591   {
1592     ED_AREA_ELEM_CONTENT_XPOS,          ED_AREA_ELEM_CONTENT_YPOS,
1593     1, 1,
1594     GADGET_ID_AMOEBA_CONTENT,
1595     NULL
1596   },
1597
1598   /* ---------- custom graphic --------------------------------------------- */
1599
1600   {
1601     ED_AREA_ELEM_CONTENT3_XPOS,         ED_AREA_ELEM_CONTENT3_YPOS,
1602     1, 1,
1603     GADGET_ID_CUSTOM_GRAPHIC,
1604     NULL
1605   },
1606
1607   /* ---------- custom content (when exploding) ---------------------------- */
1608
1609   {
1610     ED_AREA_ELEM_CONTENT4_XPOS,         ED_AREA_ELEM_CONTENT4_YPOS,
1611     3, 3,
1612     GADGET_ID_CUSTOM_CONTENT,
1613     NULL
1614   },
1615
1616   /* ---------- custom change target --------------------------------------- */
1617
1618   {
1619     ED_AREA_ELEM_CONTENT2_XPOS,         ED_AREA_ELEM_CONTENT2_YPOS,
1620     1, 1,
1621     GADGET_ID_CUSTOM_CHANGE_TARGET,
1622     NULL
1623   },
1624
1625   /* ---------- custom change content (extended change target) ------------- */
1626
1627   {
1628     ED_AREA_ELEM_CONTENT6_XPOS,         ED_AREA_ELEM_CONTENT6_YPOS,
1629     3, 3,
1630     GADGET_ID_CUSTOM_CHANGE_CONTENT,
1631     NULL
1632   },
1633
1634   /* ---------- custom change trigger (element causing change) ------------- */
1635
1636   {
1637     ED_AREA_ELEM_CONTENT5_XPOS,         ED_AREA_ELEM_CONTENT5_YPOS,
1638     1, 1,
1639     GADGET_ID_CUSTOM_CHANGE_TRIGGER,
1640     NULL
1641   },
1642
1643   /* ---------- random background (for random painting) -------------------- */
1644
1645   {
1646     ED_AREA_RANDOM_BACKGROUND_XPOS,     ED_AREA_RANDOM_BACKGROUND_YPOS,
1647     1, 1,
1648     GADGET_ID_RANDOM_BACKGROUND,
1649     NULL
1650   },
1651 };
1652
1653
1654 /*
1655   -----------------------------------------------------------------------------
1656   some internally used variables
1657   -----------------------------------------------------------------------------
1658 */
1659
1660 /* actual size of level editor drawing area */
1661 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1662
1663 /* actual position of level editor drawing area in level playfield */
1664 static int level_xpos = -1, level_ypos = -1;
1665
1666 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1667
1668 /* drawing elements on the three mouse buttons */
1669 static int new_element1 = EL_WALL;
1670 static int new_element2 = EL_EMPTY;
1671 static int new_element3 = EL_SAND;
1672
1673 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1674                                 (button) == 2 ? new_element2 : \
1675                                 (button) == 3 ? new_element3 : EL_EMPTY)
1676 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1677
1678 /* forward declaration for internal use */
1679 static void ModifyEditorCounter(int, int);
1680 static void ModifyEditorCounterLimits(int, int, int);
1681 static void ModifyEditorSelectbox(int, int);
1682 static void ModifyEditorElementList();
1683 static void RedrawDrawingElements();
1684 static void DrawDrawingWindow();
1685 static void DrawLevelInfoWindow();
1686 static void DrawPropertiesWindow();
1687 static boolean checkPropertiesConfig();
1688 static void CopyLevelToUndoBuffer(int);
1689 static void HandleDrawingAreas(struct GadgetInfo *);
1690 static void HandleCounterButtons(struct GadgetInfo *);
1691 static void HandleTextInputGadgets(struct GadgetInfo *);
1692 static void HandleSelectboxGadgets(struct GadgetInfo *);
1693 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1694 static void HandleRadiobuttons(struct GadgetInfo *);
1695 static void HandleCheckbuttons(struct GadgetInfo *);
1696 static void HandleControlButtons(struct GadgetInfo *);
1697 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1698
1699 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1700
1701 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1702 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1703 static boolean draw_with_brush = FALSE;
1704 static int properties_element = 0;
1705
1706 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1707 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1708 static int undo_buffer_position = 0;
1709 static int undo_buffer_steps = 0;
1710
1711 static int edit_mode;
1712 static int edit_mode_properties;
1713
1714 static int element_shift = 0;
1715
1716 static int editor_el_boulderdash[] =
1717 {
1718   EL_CHAR('B'),
1719   EL_CHAR('O'),
1720   EL_CHAR('U'),
1721   EL_CHAR('L'),
1722
1723   EL_CHAR('-'),
1724   EL_CHAR('D'),
1725   EL_CHAR('E'),
1726   EL_CHAR('R'),
1727
1728   EL_CHAR('D'),
1729   EL_CHAR('A'),
1730   EL_CHAR('S'),
1731   EL_CHAR('H'),
1732
1733   EL_PLAYER_1,
1734   EL_EMPTY,
1735   EL_SAND,
1736   EL_STEELWALL,
1737
1738   EL_BD_WALL,
1739   EL_BD_MAGIC_WALL,
1740   EL_EXIT_CLOSED,
1741   EL_EXIT_OPEN,
1742
1743   EL_BD_DIAMOND,
1744   EL_BD_BUTTERFLY_UP,
1745   EL_BD_FIREFLY_UP,
1746   EL_BD_ROCK,
1747
1748   EL_BD_BUTTERFLY_LEFT,
1749   EL_BD_FIREFLY_LEFT,
1750   EL_BD_BUTTERFLY_RIGHT,
1751   EL_BD_FIREFLY_RIGHT,
1752
1753   EL_BD_AMOEBA,
1754   EL_BD_BUTTERFLY_DOWN,
1755   EL_BD_FIREFLY_DOWN,
1756   EL_EMPTY,
1757 };
1758 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1759
1760 static int editor_el_emerald_mine[] =
1761 {
1762   EL_CHAR('E'),
1763   EL_CHAR('M'),
1764   EL_CHAR('E'),
1765   EL_CHAR('-'),
1766
1767   EL_CHAR('R'),
1768   EL_CHAR('A'),
1769   EL_CHAR('L'),
1770   EL_CHAR('D'),
1771
1772   EL_CHAR('M'),
1773   EL_CHAR('I'),
1774   EL_CHAR('N'),
1775   EL_CHAR('E'),
1776
1777   EL_PLAYER_1,
1778   EL_PLAYER_2,
1779   EL_PLAYER_3,
1780   EL_PLAYER_4,
1781
1782   EL_PLAYER_1,
1783   EL_EMPTY,
1784   EL_SAND,
1785   EL_ROCK,
1786
1787   EL_STEELWALL,
1788   EL_WALL,
1789   EL_WALL_CRUMBLED,
1790   EL_MAGIC_WALL,
1791
1792   EL_EMERALD,
1793   EL_DIAMOND,
1794   EL_NUT,
1795   EL_BOMB,
1796
1797   EL_WALL_EMERALD,
1798   EL_WALL_DIAMOND,
1799   EL_QUICKSAND_EMPTY,
1800   EL_QUICKSAND_FULL,
1801
1802   EL_DYNAMITE,
1803   EL_DYNAMITE_ACTIVE,
1804   EL_EXIT_CLOSED,
1805   EL_EXIT_OPEN,
1806
1807   EL_YAMYAM,
1808   EL_BUG_UP,
1809   EL_SPACESHIP_UP,
1810   EL_ROBOT,
1811
1812   EL_BUG_LEFT,
1813   EL_SPACESHIP_LEFT,
1814   EL_BUG_RIGHT,
1815   EL_SPACESHIP_RIGHT,
1816
1817   EL_ROBOT_WHEEL,
1818   EL_BUG_DOWN,
1819   EL_SPACESHIP_DOWN,
1820   EL_INVISIBLE_WALL,
1821
1822   EL_ACID_POOL_TOPLEFT,
1823   EL_ACID,
1824   EL_ACID_POOL_TOPRIGHT,
1825   EL_EMPTY,
1826
1827   EL_ACID_POOL_BOTTOMLEFT,
1828   EL_ACID_POOL_BOTTOM,
1829   EL_ACID_POOL_BOTTOMRIGHT,
1830   EL_EMPTY,
1831
1832   EL_AMOEBA_DROP,
1833   EL_AMOEBA_DEAD,
1834   EL_AMOEBA_WET,
1835   EL_AMOEBA_DRY,
1836
1837   EL_EM_KEY_1_FILE,
1838   EL_EM_KEY_2_FILE,
1839   EL_EM_KEY_3_FILE,
1840   EL_EM_KEY_4_FILE,
1841
1842   EL_EM_GATE_1,
1843   EL_EM_GATE_2,
1844   EL_EM_GATE_3,
1845   EL_EM_GATE_4,
1846
1847   EL_EM_GATE_1_GRAY,
1848   EL_EM_GATE_2_GRAY,
1849   EL_EM_GATE_3_GRAY,
1850   EL_EM_GATE_4_GRAY,
1851 };
1852 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1853
1854 static int editor_el_more[] =
1855 {
1856   EL_CHAR('M'),
1857   EL_CHAR('O'),
1858   EL_CHAR('R'),
1859   EL_CHAR('E'),
1860
1861   EL_KEY_1,
1862   EL_KEY_2,
1863   EL_KEY_3,
1864   EL_KEY_4,
1865
1866   EL_GATE_1,
1867   EL_GATE_2,
1868   EL_GATE_3,
1869   EL_GATE_4,
1870
1871   EL_GATE_1_GRAY,
1872   EL_GATE_2_GRAY,
1873   EL_GATE_3_GRAY,
1874   EL_GATE_4_GRAY,
1875
1876   EL_ARROW_LEFT,
1877   EL_ARROW_RIGHT,
1878   EL_ARROW_UP,
1879   EL_ARROW_DOWN,
1880
1881   EL_AMOEBA_FULL,
1882   EL_EMERALD_YELLOW,
1883   EL_EMERALD_RED,
1884   EL_EMERALD_PURPLE,
1885
1886   EL_WALL_BD_DIAMOND,
1887   EL_WALL_EMERALD_YELLOW,
1888   EL_WALL_EMERALD_RED,
1889   EL_WALL_EMERALD_PURPLE,
1890
1891   EL_GAME_OF_LIFE,
1892   EL_PACMAN_UP,
1893   EL_TIME_ORB_FULL,
1894   EL_TIME_ORB_EMPTY,
1895
1896   EL_PACMAN_LEFT,
1897   EL_DARK_YAMYAM,
1898   EL_PACMAN_RIGHT,
1899   EL_EXPANDABLE_WALL,
1900
1901   EL_BIOMAZE,
1902   EL_PACMAN_DOWN,
1903   EL_LAMP,
1904   EL_LAMP_ACTIVE,
1905
1906   EL_DYNABOMB_INCREASE_NUMBER,
1907   EL_DYNABOMB_INCREASE_SIZE,
1908   EL_DYNABOMB_INCREASE_POWER,
1909   EL_STONEBLOCK,
1910
1911   EL_MOLE,
1912   EL_PENGUIN,
1913   EL_PIG,
1914   EL_DRAGON,
1915
1916   EL_EMPTY,
1917   EL_MOLE_UP,
1918   EL_EMPTY,
1919   EL_EMPTY,
1920
1921   EL_MOLE_LEFT,
1922   EL_EMPTY,
1923   EL_MOLE_RIGHT,
1924   EL_EMPTY,
1925
1926   EL_EMPTY,
1927   EL_MOLE_DOWN,
1928   EL_BALLOON,
1929   EL_BALLOON_SWITCH_ANY,
1930
1931   EL_BALLOON_SWITCH_LEFT,
1932   EL_BALLOON_SWITCH_RIGHT,
1933   EL_BALLOON_SWITCH_UP,
1934   EL_BALLOON_SWITCH_DOWN,
1935
1936   EL_SATELLITE,
1937   EL_EXPANDABLE_WALL_HORIZONTAL,
1938   EL_EXPANDABLE_WALL_VERTICAL,
1939   EL_EXPANDABLE_WALL_ANY,
1940
1941   EL_INVISIBLE_STEELWALL,
1942   EL_INVISIBLE_WALL,
1943   EL_SPEED_PILL,
1944   EL_BLACK_ORB,
1945
1946   EL_EMC_STEELWALL_1,
1947   EL_EMC_WALL_1,
1948   EL_EMC_WALL_2,
1949   EL_EMC_WALL_3,
1950
1951   EL_EMC_WALL_4,
1952   EL_EMC_WALL_5,
1953   EL_EMC_WALL_6,
1954   EL_EMC_WALL_7,
1955 };
1956 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1957
1958 static int editor_el_sokoban[] =
1959 {
1960   EL_CHAR('S'),
1961   EL_CHAR('O'),
1962   EL_CHAR('K'),
1963   EL_CHAR('O'),
1964
1965   EL_CHAR('-'),
1966   EL_CHAR('B'),
1967   EL_CHAR('A'),
1968   EL_CHAR('N'),
1969
1970   EL_SOKOBAN_OBJECT,
1971   EL_SOKOBAN_FIELD_EMPTY,
1972   EL_SOKOBAN_FIELD_FULL,
1973   EL_STEELWALL,
1974 };
1975 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1976
1977 static int editor_el_supaplex[] =
1978 {
1979   EL_CHAR('S'),
1980   EL_CHAR('U'),
1981   EL_CHAR('P'),
1982   EL_CHAR('A'),
1983
1984   EL_CHAR('P'),
1985   EL_CHAR('L'),
1986   EL_CHAR('E'),
1987   EL_CHAR('X'),
1988
1989   EL_SP_EMPTY,
1990   EL_SP_ZONK,
1991   EL_SP_BASE,
1992   EL_SP_MURPHY,
1993
1994   EL_SP_INFOTRON,
1995   EL_SP_CHIP_SINGLE,
1996   EL_SP_HARDWARE_GRAY,
1997   EL_SP_EXIT_CLOSED,
1998
1999   EL_SP_DISK_ORANGE,
2000   EL_SP_PORT_RIGHT,
2001   EL_SP_PORT_DOWN,
2002   EL_SP_PORT_LEFT,
2003
2004   EL_SP_PORT_UP,
2005   EL_SP_GRAVITY_PORT_RIGHT,
2006   EL_SP_GRAVITY_PORT_DOWN,
2007   EL_SP_GRAVITY_PORT_LEFT,
2008
2009   EL_SP_GRAVITY_PORT_UP,
2010   EL_SP_SNIKSNAK,
2011   EL_SP_DISK_YELLOW,
2012   EL_SP_TERMINAL,
2013
2014   EL_SP_DISK_RED,
2015   EL_SP_PORT_VERTICAL,
2016   EL_SP_PORT_HORIZONTAL,
2017   EL_SP_PORT_ANY,
2018
2019   EL_SP_ELECTRON,
2020   EL_SP_BUGGY_BASE,
2021   EL_SP_CHIP_LEFT,
2022   EL_SP_CHIP_RIGHT,
2023
2024   EL_SP_HARDWARE_BASE_1,
2025   EL_SP_HARDWARE_GREEN,
2026   EL_SP_HARDWARE_BLUE,
2027   EL_SP_HARDWARE_RED,
2028
2029   EL_SP_HARDWARE_YELLOW,
2030   EL_SP_HARDWARE_BASE_2,
2031   EL_SP_HARDWARE_BASE_3,
2032   EL_SP_HARDWARE_BASE_4,
2033
2034   EL_SP_HARDWARE_BASE_5,
2035   EL_SP_HARDWARE_BASE_6,
2036   EL_SP_CHIP_TOP,
2037   EL_SP_CHIP_BOTTOM,
2038 };
2039 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
2040
2041 static int editor_el_diamond_caves[] =
2042 {
2043   EL_CHAR('D'),
2044   EL_CHAR('I'),
2045   EL_CHAR('A'),
2046   EL_CHAR('-'),
2047
2048   EL_CHAR('M'),
2049   EL_CHAR('O'),
2050   EL_CHAR('N'),
2051   EL_CHAR('D'),
2052
2053   EL_CHAR('C'),
2054   EL_CHAR('A'),
2055   EL_CHAR('V'),
2056   EL_CHAR('E'),
2057
2058   EL_CHAR('S'),
2059   EL_CHAR(' '),
2060   EL_CHAR('I'),
2061   EL_CHAR('I'),
2062
2063   EL_PEARL,
2064   EL_CRYSTAL,
2065   EL_WALL_PEARL,
2066   EL_WALL_CRYSTAL,
2067
2068   EL_CONVEYOR_BELT_1_LEFT,
2069   EL_CONVEYOR_BELT_1_MIDDLE,
2070   EL_CONVEYOR_BELT_1_RIGHT,
2071   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2072
2073   EL_CONVEYOR_BELT_2_LEFT,
2074   EL_CONVEYOR_BELT_2_MIDDLE,
2075   EL_CONVEYOR_BELT_2_RIGHT,
2076   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2077
2078   EL_CONVEYOR_BELT_3_LEFT,
2079   EL_CONVEYOR_BELT_3_MIDDLE,
2080   EL_CONVEYOR_BELT_3_RIGHT,
2081   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2082
2083   EL_CONVEYOR_BELT_4_LEFT,
2084   EL_CONVEYOR_BELT_4_MIDDLE,
2085   EL_CONVEYOR_BELT_4_RIGHT,
2086   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2087
2088   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2089   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2090   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2091   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2092
2093   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2094   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2095   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2096   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2097
2098   EL_SWITCHGATE_OPEN,
2099   EL_SWITCHGATE_CLOSED,
2100   EL_SWITCHGATE_SWITCH_UP,
2101   EL_ENVELOPE,
2102
2103   EL_TIMEGATE_CLOSED,
2104   EL_TIMEGATE_OPEN,
2105   EL_TIMEGATE_SWITCH,
2106   EL_EMPTY,
2107
2108   EL_LANDMINE,
2109   EL_INVISIBLE_SAND,
2110   EL_STEELWALL_SLANTED,
2111   EL_EMPTY,
2112
2113   EL_SIGN_EXCLAMATION,
2114   EL_SIGN_STOP,
2115   EL_LIGHT_SWITCH,
2116   EL_LIGHT_SWITCH_ACTIVE,
2117
2118   EL_SHIELD_NORMAL,
2119   EL_SHIELD_DEADLY,
2120   EL_EXTRA_TIME,
2121   EL_EMPTY,
2122 };
2123 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
2124
2125 static int editor_el_dx_boulderdash[] =
2126 {
2127   EL_CHAR('D'),
2128   EL_CHAR('X'),
2129   EL_CHAR('-'),
2130   EL_CHAR(' '),
2131
2132   EL_CHAR('B'),
2133   EL_CHAR('O'),
2134   EL_CHAR('U'),
2135   EL_CHAR('L'),
2136
2137   EL_CHAR('-'),
2138   EL_CHAR('D'),
2139   EL_CHAR('E'),
2140   EL_CHAR('R'),
2141
2142   EL_CHAR('D'),
2143   EL_CHAR('A'),
2144   EL_CHAR('S'),
2145   EL_CHAR('H'),
2146
2147   EL_SPRING,
2148   EL_TUBE_RIGHT_DOWN,
2149   EL_TUBE_HORIZONTAL_DOWN,
2150   EL_TUBE_LEFT_DOWN,
2151
2152   EL_TUBE_HORIZONTAL,
2153   EL_TUBE_VERTICAL_RIGHT,
2154   EL_TUBE_ANY,
2155   EL_TUBE_VERTICAL_LEFT,
2156
2157   EL_TUBE_VERTICAL,
2158   EL_TUBE_RIGHT_UP,
2159   EL_TUBE_HORIZONTAL_UP,
2160   EL_TUBE_LEFT_UP,
2161
2162   EL_TRAP,
2163   EL_DX_SUPABOMB,
2164   EL_EMPTY,
2165   EL_EMPTY
2166 };
2167 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
2168
2169 static int editor_el_chars[] =
2170 {
2171   EL_CHAR('T'),
2172   EL_CHAR('E'),
2173   EL_CHAR('X'),
2174   EL_CHAR('T'),
2175
2176   EL_CHAR(' '),
2177   EL_CHAR('!'),
2178   EL_CHAR('"'),
2179   EL_CHAR('#'),
2180
2181   EL_CHAR('$'),
2182   EL_CHAR('%'),
2183   EL_CHAR('&'),
2184   EL_CHAR('\''),
2185
2186   EL_CHAR('('),
2187   EL_CHAR(')'),
2188   EL_CHAR('*'),
2189   EL_CHAR('+'),
2190
2191   EL_CHAR(','),
2192   EL_CHAR('-'),
2193   EL_CHAR('.'),
2194   EL_CHAR('/'),
2195
2196   EL_CHAR('0'),
2197   EL_CHAR('1'),
2198   EL_CHAR('2'),
2199   EL_CHAR('3'),
2200
2201   EL_CHAR('4'),
2202   EL_CHAR('5'),
2203   EL_CHAR('6'),
2204   EL_CHAR('7'),
2205
2206   EL_CHAR('8'),
2207   EL_CHAR('9'),
2208   EL_CHAR(':'),
2209   EL_CHAR(';'),
2210
2211   EL_CHAR('<'),
2212   EL_CHAR('='),
2213   EL_CHAR('>'),
2214   EL_CHAR('?'),
2215
2216   EL_CHAR('@'),
2217   EL_CHAR('A'),
2218   EL_CHAR('B'),
2219   EL_CHAR('C'),
2220
2221   EL_CHAR('D'),
2222   EL_CHAR('E'),
2223   EL_CHAR('F'),
2224   EL_CHAR('G'),
2225
2226   EL_CHAR('H'),
2227   EL_CHAR('I'),
2228   EL_CHAR('J'),
2229   EL_CHAR('K'),
2230
2231   EL_CHAR('L'),
2232   EL_CHAR('M'),
2233   EL_CHAR('N'),
2234   EL_CHAR('O'),
2235
2236   EL_CHAR('P'),
2237   EL_CHAR('Q'),
2238   EL_CHAR('R'),
2239   EL_CHAR('S'),
2240
2241   EL_CHAR('T'),
2242   EL_CHAR('U'),
2243   EL_CHAR('V'),
2244   EL_CHAR('W'),
2245
2246   EL_CHAR('X'),
2247   EL_CHAR('Y'),
2248   EL_CHAR('Z'),
2249   EL_CHAR('['),
2250
2251   EL_CHAR('\\'),
2252   EL_CHAR(']'),
2253   EL_CHAR('^'),
2254   EL_CHAR('_'),
2255
2256   EL_CHAR('©'),
2257   EL_CHAR('Ä'),
2258   EL_CHAR('Ö'),
2259   EL_CHAR('Ü'),
2260
2261   EL_CHAR('°'),
2262   EL_CHAR('®'),
2263   EL_CHAR(FONT_ASCII_CURSOR),
2264   EL_CHAR(' ')
2265 };
2266 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
2267
2268 static int editor_el_custom[] =
2269 {
2270   EL_CHAR('C'),
2271   EL_CHAR('U'),
2272   EL_CHAR('S'),
2273   EL_CHAR('-'),
2274
2275   EL_CHAR('T'),
2276   EL_CHAR('O'),
2277   EL_CHAR('M'),
2278   EL_CHAR(' '),
2279
2280   EL_CHAR('E'),
2281   EL_CHAR('L'),
2282   EL_CHAR('E'),
2283   EL_CHAR('M'),
2284
2285   EL_CHAR('E'),
2286   EL_CHAR('N'),
2287   EL_CHAR('T'),
2288   EL_CHAR('S'),
2289
2290   EL_CUSTOM_START + 0,
2291   EL_CUSTOM_START + 1,
2292   EL_CUSTOM_START + 2,
2293   EL_CUSTOM_START + 3,
2294
2295   EL_CUSTOM_START + 4,
2296   EL_CUSTOM_START + 5,
2297   EL_CUSTOM_START + 6,
2298   EL_CUSTOM_START + 7,
2299
2300   EL_CUSTOM_START + 8,
2301   EL_CUSTOM_START + 9,
2302   EL_CUSTOM_START + 10,
2303   EL_CUSTOM_START + 11,
2304
2305   EL_CUSTOM_START + 12,
2306   EL_CUSTOM_START + 13,
2307   EL_CUSTOM_START + 14,
2308   EL_CUSTOM_START + 15,
2309
2310   EL_CUSTOM_START + 16,
2311   EL_CUSTOM_START + 17,
2312   EL_CUSTOM_START + 18,
2313   EL_CUSTOM_START + 19,
2314
2315   EL_CUSTOM_START + 20,
2316   EL_CUSTOM_START + 21,
2317   EL_CUSTOM_START + 22,
2318   EL_CUSTOM_START + 23,
2319
2320   EL_CUSTOM_START + 24,
2321   EL_CUSTOM_START + 25,
2322   EL_CUSTOM_START + 26,
2323   EL_CUSTOM_START + 27,
2324
2325   EL_CUSTOM_START + 28,
2326   EL_CUSTOM_START + 29,
2327   EL_CUSTOM_START + 30,
2328   EL_CUSTOM_START + 31,
2329
2330   EL_CUSTOM_START + 32,
2331   EL_CUSTOM_START + 33,
2332   EL_CUSTOM_START + 34,
2333   EL_CUSTOM_START + 35,
2334
2335   EL_CUSTOM_START + 36,
2336   EL_CUSTOM_START + 37,
2337   EL_CUSTOM_START + 38,
2338   EL_CUSTOM_START + 39,
2339
2340   EL_CUSTOM_START + 40,
2341   EL_CUSTOM_START + 41,
2342   EL_CUSTOM_START + 42,
2343   EL_CUSTOM_START + 43,
2344
2345   EL_CUSTOM_START + 44,
2346   EL_CUSTOM_START + 45,
2347   EL_CUSTOM_START + 46,
2348   EL_CUSTOM_START + 47,
2349
2350   EL_CUSTOM_START + 48,
2351   EL_CUSTOM_START + 49,
2352   EL_CUSTOM_START + 50,
2353   EL_CUSTOM_START + 51,
2354
2355   EL_CUSTOM_START + 52,
2356   EL_CUSTOM_START + 53,
2357   EL_CUSTOM_START + 54,
2358   EL_CUSTOM_START + 55,
2359
2360   EL_CUSTOM_START + 56,
2361   EL_CUSTOM_START + 57,
2362   EL_CUSTOM_START + 58,
2363   EL_CUSTOM_START + 59,
2364
2365   EL_CUSTOM_START + 60,
2366   EL_CUSTOM_START + 61,
2367   EL_CUSTOM_START + 62,
2368   EL_CUSTOM_START + 63,
2369
2370   EL_CUSTOM_START + 64,
2371   EL_CUSTOM_START + 65,
2372   EL_CUSTOM_START + 66,
2373   EL_CUSTOM_START + 67,
2374
2375   EL_CUSTOM_START + 68,
2376   EL_CUSTOM_START + 69,
2377   EL_CUSTOM_START + 70,
2378   EL_CUSTOM_START + 71,
2379
2380   EL_CUSTOM_START + 72,
2381   EL_CUSTOM_START + 73,
2382   EL_CUSTOM_START + 74,
2383   EL_CUSTOM_START + 75,
2384
2385   EL_CUSTOM_START + 76,
2386   EL_CUSTOM_START + 77,
2387   EL_CUSTOM_START + 78,
2388   EL_CUSTOM_START + 79,
2389
2390   EL_CUSTOM_START + 80,
2391   EL_CUSTOM_START + 81,
2392   EL_CUSTOM_START + 82,
2393   EL_CUSTOM_START + 83,
2394
2395   EL_CUSTOM_START + 84,
2396   EL_CUSTOM_START + 85,
2397   EL_CUSTOM_START + 86,
2398   EL_CUSTOM_START + 87,
2399
2400   EL_CUSTOM_START + 88,
2401   EL_CUSTOM_START + 89,
2402   EL_CUSTOM_START + 90,
2403   EL_CUSTOM_START + 91,
2404
2405   EL_CUSTOM_START + 92,
2406   EL_CUSTOM_START + 93,
2407   EL_CUSTOM_START + 94,
2408   EL_CUSTOM_START + 95,
2409
2410   EL_CUSTOM_START + 96,
2411   EL_CUSTOM_START + 97,
2412   EL_CUSTOM_START + 98,
2413   EL_CUSTOM_START + 99,
2414
2415   EL_CUSTOM_START + 100,
2416   EL_CUSTOM_START + 101,
2417   EL_CUSTOM_START + 102,
2418   EL_CUSTOM_START + 103,
2419
2420   EL_CUSTOM_START + 104,
2421   EL_CUSTOM_START + 105,
2422   EL_CUSTOM_START + 106,
2423   EL_CUSTOM_START + 107,
2424
2425   EL_CUSTOM_START + 108,
2426   EL_CUSTOM_START + 109,
2427   EL_CUSTOM_START + 110,
2428   EL_CUSTOM_START + 111,
2429
2430   EL_CUSTOM_START + 112,
2431   EL_CUSTOM_START + 113,
2432   EL_CUSTOM_START + 114,
2433   EL_CUSTOM_START + 115,
2434
2435   EL_CUSTOM_START + 116,
2436   EL_CUSTOM_START + 117,
2437   EL_CUSTOM_START + 118,
2438   EL_CUSTOM_START + 119,
2439
2440   EL_CUSTOM_START + 120,
2441   EL_CUSTOM_START + 121,
2442   EL_CUSTOM_START + 122,
2443   EL_CUSTOM_START + 123,
2444
2445   EL_CUSTOM_START + 124,
2446   EL_CUSTOM_START + 125,
2447   EL_CUSTOM_START + 126,
2448   EL_CUSTOM_START + 127
2449 };
2450 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
2451
2452 static int *editor_elements = NULL;     /* dynamically allocated */
2453 static int num_editor_elements = 0;     /* dynamically determined */
2454
2455 static struct
2456 {
2457   boolean *setup_value;
2458   int *element_list;
2459   int *element_list_size;
2460
2461   boolean last_setup_value;
2462 }
2463 editor_elements_info[] =
2464 {
2465   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
2466     &num_editor_el_boulderdash                                          },
2467   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
2468     &num_editor_el_emerald_mine                                         },
2469   { &setup.editor.el_more,              editor_el_more,
2470     &num_editor_el_more                                                 },
2471   { &setup.editor.el_sokoban,           editor_el_sokoban,
2472     &num_editor_el_sokoban                                              },
2473   { &setup.editor.el_supaplex,          editor_el_supaplex,
2474     &num_editor_el_supaplex                                             },
2475   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
2476     &num_editor_el_diamond_caves                                        },
2477   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
2478     &num_editor_el_dx_boulderdash                                       },
2479   { &setup.editor.el_chars,             editor_el_chars,
2480     &num_editor_el_chars                                                },
2481   { &setup.editor.el_custom,            editor_el_custom,
2482     &num_editor_el_custom                                               },
2483   { NULL,                               NULL,
2484     NULL                                                                }
2485 };
2486
2487
2488 /*
2489   -----------------------------------------------------------------------------
2490   functions
2491   -----------------------------------------------------------------------------
2492 */
2493
2494 static void ReinitializeElementList()
2495 {
2496   int pos = 0;
2497   int i, j;
2498
2499   if (editor_elements != NULL)
2500     free(editor_elements);
2501
2502   num_editor_elements = 0;
2503
2504   /* determine size of element list */
2505   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2506     if (*editor_elements_info[i].setup_value)
2507       num_editor_elements += *editor_elements_info[i].element_list_size;
2508
2509   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
2510   {
2511     /* workaround: offer at least as many elements as element buttons exist */
2512     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
2513
2514     *editor_elements_info[list_nr].setup_value = TRUE;
2515     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
2516   }
2517
2518   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
2519
2520   /* fill element list */
2521   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2522     if (*editor_elements_info[i].setup_value)
2523       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
2524         editor_elements[pos++] = editor_elements_info[i].element_list[j];
2525 }
2526
2527 static void ReinitializeElementListButtons()
2528 {
2529   static boolean initialization_needed = TRUE;
2530   int i;
2531
2532   if (!initialization_needed)   /* check if editor element setup has changed */
2533     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2534       if (editor_elements_info[i].last_setup_value !=
2535           *editor_elements_info[i].setup_value)
2536         initialization_needed = TRUE;
2537
2538   if (!initialization_needed)
2539     return;
2540
2541   FreeLevelEditorGadgets();
2542   CreateLevelEditorGadgets();
2543
2544   /* store current setup values for next invocation of this function */
2545   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2546     editor_elements_info[i].last_setup_value =
2547       *editor_elements_info[i].setup_value;
2548
2549   initialization_needed = FALSE;
2550 }
2551
2552 static int getCounterGadgetWidth()
2553 {
2554   return (DXSIZE + getFontWidth(FONT_INPUT_1) - 2 * ED_GADGET_DISTANCE);
2555 }
2556
2557 static int getMaxInfoTextLength()
2558 {
2559   return (SXSIZE / getFontWidth(FONT_TEXT_2));
2560 }
2561
2562 static char *getElementInfoText(int element)
2563 {
2564   char *info_text = NULL;
2565
2566   if (element < NUM_FILE_ELEMENTS)
2567   {
2568     if (strlen(element_info[element].description) > 0)
2569       info_text = element_info[element].description;
2570     else if (element_info[element].custom_description != NULL)
2571       info_text = element_info[element].custom_description;
2572     else if (element_info[element].editor_description != NULL)
2573       info_text = element_info[element].editor_description;
2574   }
2575
2576   if (info_text == NULL)
2577   {
2578     info_text = "unknown";
2579
2580     Error(ERR_WARN, "no element description for element %d", element);
2581   }
2582
2583   return info_text;
2584 }
2585
2586 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
2587 {
2588   int x,y;
2589   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
2590   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
2591
2592   BlitBitmap(drawto, drawto,
2593              SX + (dx == -1 ? MINI_TILEX : 0),
2594              SY + (dy == -1 ? MINI_TILEY : 0),
2595              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
2596              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
2597              SX + (dx == +1 ? MINI_TILEX : 0),
2598              SY + (dy == +1 ? MINI_TILEY : 0));
2599   if (dx)
2600   {
2601     x = (dx == 1 ? 0 : ed_fieldx - 1);
2602     for(y=0; y<ed_fieldy; y++)
2603       DrawMiniElementOrWall(x, y, from_x, from_y);
2604   }
2605   else if (dy)
2606   {
2607     y = (dy == 1 ? 0 : ed_fieldy - 1);
2608     for(x=0; x<ed_fieldx; x++)
2609       DrawMiniElementOrWall(x, y, from_x, from_y);
2610   }
2611
2612   redraw_mask |= REDRAW_FIELD;
2613   BackToFront();
2614 }
2615
2616 static void CreateControlButtons()
2617 {
2618   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2619   struct GadgetInfo *gi;
2620   unsigned long event_mask;
2621   int i;
2622
2623   /* create toolbox buttons */
2624   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2625   {
2626     int id = i;
2627     int width, height;
2628     int gd_xoffset, gd_yoffset;
2629     int gd_x1, gd_x2, gd_y1, gd_y2;
2630     int button_type;
2631     int radio_button_nr;
2632     boolean checked;
2633
2634     if (id == GADGET_ID_SINGLE_ITEMS ||
2635         id == GADGET_ID_CONNECTED_ITEMS ||
2636         id == GADGET_ID_LINE ||
2637         id == GADGET_ID_ARC ||
2638         id == GADGET_ID_TEXT ||
2639         id == GADGET_ID_RECTANGLE ||
2640         id == GADGET_ID_FILLED_BOX ||
2641         id == GADGET_ID_FLOOD_FILL ||
2642         id == GADGET_ID_GRAB_BRUSH ||
2643         id == GADGET_ID_PICK_ELEMENT)
2644     {
2645       button_type = GD_TYPE_RADIO_BUTTON;
2646       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
2647       checked = (id == drawing_function ? TRUE : FALSE);
2648       event_mask = GD_EVENT_PRESSED;
2649     }
2650     else
2651     {
2652       button_type = GD_TYPE_NORMAL_BUTTON;
2653       radio_button_nr = RADIO_NR_NONE;
2654       checked = FALSE;
2655
2656       if (id == GADGET_ID_WRAP_LEFT ||
2657           id == GADGET_ID_WRAP_RIGHT ||
2658           id == GADGET_ID_WRAP_UP ||
2659           id == GADGET_ID_WRAP_DOWN)
2660         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2661       else
2662         event_mask = GD_EVENT_RELEASED;
2663     }
2664
2665     if (id < ED_NUM_CTRL1_BUTTONS)
2666     {
2667       int x = i % ED_CTRL1_BUTTONS_HORIZ;
2668       int y = i / ED_CTRL1_BUTTONS_HORIZ;
2669
2670       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
2671       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
2672       width = ED_CTRL1_BUTTON_XSIZE;
2673       height = ED_CTRL1_BUTTON_YSIZE;
2674     }
2675     else
2676     {
2677       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
2678       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
2679
2680       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
2681       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
2682       width = ED_CTRL2_BUTTON_XSIZE;
2683       height = ED_CTRL2_BUTTON_YSIZE;
2684     }
2685
2686     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
2687     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
2688     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
2689     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
2690
2691     gi = CreateGadget(GDI_CUSTOM_ID, id,
2692                       GDI_CUSTOM_TYPE_ID, i,
2693                       GDI_INFO_TEXT, control_info[i].text,
2694                       GDI_X, EX + gd_xoffset,
2695                       GDI_Y, EY + gd_yoffset,
2696                       GDI_WIDTH, width,
2697                       GDI_HEIGHT, height,
2698                       GDI_TYPE, button_type,
2699                       GDI_STATE, GD_BUTTON_UNPRESSED,
2700                       GDI_RADIO_NR, radio_button_nr,
2701                       GDI_CHECKED, checked,
2702                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2703                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2704                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2705                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2706                       GDI_EVENT_MASK, event_mask,
2707                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2708                       GDI_CALLBACK_ACTION, HandleControlButtons,
2709                       GDI_END);
2710
2711     if (gi == NULL)
2712       Error(ERR_EXIT, "cannot create gadget");
2713
2714     level_editor_gadget[id] = gi;
2715   }
2716
2717   /* create buttons for scrolling of drawing area and element list */
2718   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
2719   {
2720     int id = scrollbutton_info[i].gadget_id;
2721     int x, y, width, height;
2722     int gd_x1, gd_x2, gd_y1, gd_y2;
2723
2724     x = scrollbutton_info[i].x;
2725     y = scrollbutton_info[i].y;
2726
2727     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2728
2729     if (id == GADGET_ID_SCROLL_LIST_UP ||
2730         id == GADGET_ID_SCROLL_LIST_DOWN)
2731     {
2732       x += DX;
2733       y += DY;
2734       width = ED_SCROLLBUTTON2_XSIZE;
2735       height = ED_SCROLLBUTTON2_YSIZE;
2736       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2737       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2738       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
2739       gd_y2 = gd_y1;
2740     }
2741     else
2742     {
2743       x += SX;
2744       y += SY;
2745       width = ED_SCROLLBUTTON_XSIZE;
2746       height = ED_SCROLLBUTTON_YSIZE;
2747       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2748       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2749       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2750       gd_y2 = gd_y1;
2751     }
2752
2753     gi = CreateGadget(GDI_CUSTOM_ID, id,
2754                       GDI_CUSTOM_TYPE_ID, i,
2755                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2756                       GDI_X, x,
2757                       GDI_Y, y,
2758                       GDI_WIDTH, width,
2759                       GDI_HEIGHT, height,
2760                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2761                       GDI_STATE, GD_BUTTON_UNPRESSED,
2762                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2763                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2764                       GDI_EVENT_MASK, event_mask,
2765                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2766                       GDI_CALLBACK_ACTION, HandleControlButtons,
2767                       GDI_END);
2768
2769     if (gi == NULL)
2770       Error(ERR_EXIT, "cannot create gadget");
2771
2772     level_editor_gadget[id] = gi;
2773   }
2774
2775   /* create buttons for element list */
2776   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2777   {
2778     Bitmap *deco_bitmap;
2779     int deco_x, deco_y, deco_xpos, deco_ypos;
2780     int gd_xoffset, gd_yoffset;
2781     int gd_x1, gd_x2, gd_y;
2782     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
2783     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
2784     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
2785     int element = editor_elements[i];
2786
2787     event_mask = GD_EVENT_RELEASED;
2788
2789     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
2790     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
2791
2792     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
2793     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
2794     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
2795
2796     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
2797     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
2798     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
2799
2800     gi = CreateGadget(GDI_CUSTOM_ID, id,
2801                       GDI_CUSTOM_TYPE_ID, i,
2802                       GDI_INFO_TEXT, getElementInfoText(element),
2803                       GDI_X, DX + gd_xoffset,
2804                       GDI_Y, DY + gd_yoffset,
2805                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
2806                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
2807                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2808                       GDI_STATE, GD_BUTTON_UNPRESSED,
2809                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2810                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2811                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2812                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2813                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2814                       GDI_DECORATION_SHIFTING, 1, 1,
2815                       GDI_EVENT_MASK, event_mask,
2816                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2817                       GDI_CALLBACK_ACTION, HandleControlButtons,
2818                       GDI_END);
2819
2820     if (gi == NULL)
2821       Error(ERR_EXIT, "cannot create gadget");
2822
2823     level_editor_gadget[id] = gi;
2824   }
2825 }
2826
2827 static void CreateCounterButtons()
2828 {
2829   int max_infotext_len = getMaxInfoTextLength();
2830   int i;
2831
2832   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
2833   {
2834     int j;
2835     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
2836     int ypos = SY + counterbutton_info[i].y;
2837     int xoffset = 0;
2838
2839     /* determine horizontal offset for leading counter text */
2840     if (counterbutton_info[i].text_left != NULL)
2841       xoffset = (getFontWidth(FONT_TEXT_1) *
2842                  strlen(counterbutton_info[i].text_left) +
2843                  ED_GADGET_TEXT_DISTANCE);
2844
2845     for (j=0; j<2; j++)
2846     {
2847       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2848       struct GadgetInfo *gi;
2849       int id = (j == 0 ?
2850                 counterbutton_info[i].gadget_id_down :
2851                 counterbutton_info[i].gadget_id_up);
2852       int gd_xoffset;
2853       int gd_x, gd_x1, gd_x2, gd_y;
2854       int x_size, y_size;
2855       unsigned long event_mask;
2856       char infotext[max_infotext_len + 1];
2857
2858       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2859
2860       if (i == ED_COUNTER_ID_SELECT_LEVEL)
2861       {
2862         int sid = (j == 0 ?
2863                    ED_SCROLLBUTTON_ID_AREA_LEFT :
2864                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
2865
2866         event_mask |= GD_EVENT_RELEASED;
2867
2868         if (j == 1)
2869           xpos += 2 * ED_GADGET_DISTANCE;
2870         ypos += ED_GADGET_DISTANCE;
2871
2872         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
2873         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2874         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
2875         x_size = ED_SCROLLBUTTON_XSIZE;
2876         y_size = ED_SCROLLBUTTON_YSIZE;
2877       }
2878       else
2879       {
2880         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
2881         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2882         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2883         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
2884         x_size = ED_BUTTON_COUNT_XSIZE;
2885         y_size = ED_BUTTON_COUNT_YSIZE;
2886       }
2887
2888       sprintf(infotext, "%s counter value by 1, 5 or 10",
2889               (j == 0 ? "decrease" : "increase"));
2890
2891       gi = CreateGadget(GDI_CUSTOM_ID, id,
2892                         GDI_CUSTOM_TYPE_ID, i,
2893                         GDI_INFO_TEXT, infotext,
2894                         GDI_X, xpos + xoffset,
2895                         GDI_Y, ypos,
2896                         GDI_WIDTH, x_size,
2897                         GDI_HEIGHT, y_size,
2898                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2899                         GDI_STATE, GD_BUTTON_UNPRESSED,
2900                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2901                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2902                         GDI_EVENT_MASK, event_mask,
2903                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2904                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2905                         GDI_END);
2906
2907       if (gi == NULL)
2908         Error(ERR_EXIT, "cannot create gadget");
2909
2910       level_editor_gadget[id] = gi;
2911       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
2912
2913       if (j == 0)
2914       {
2915         int font_type = FONT_INPUT_1;
2916         int font_type_active = FONT_INPUT_1_ACTIVE;
2917         int gd_width = ED_WIN_COUNT_XSIZE;
2918
2919         id = counterbutton_info[i].gadget_id_text;
2920         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2921
2922         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2923         {
2924           font_type = FONT_LEVEL_NUMBER;
2925           font_type_active = FONT_LEVEL_NUMBER;
2926
2927           xpos += 2 * ED_GADGET_DISTANCE;
2928           ypos -= ED_GADGET_DISTANCE;
2929
2930           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2931           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2932           gd_width = ED_WIN_COUNT2_XSIZE;
2933         }
2934         else
2935         {
2936           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2937           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2938         }
2939
2940         gi = CreateGadget(GDI_CUSTOM_ID, id,
2941                           GDI_CUSTOM_TYPE_ID, i,
2942                           GDI_INFO_TEXT, "enter counter value",
2943                           GDI_X, xpos + xoffset,
2944                           GDI_Y, ypos,
2945                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2946                           GDI_NUMBER_VALUE, 0,
2947                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2948                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2949                           GDI_TEXT_SIZE, 3,
2950                           GDI_TEXT_FONT, font_type,
2951                           GDI_TEXT_FONT_ACTIVE, font_type_active,
2952                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2953                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2954                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2955                           GDI_DESIGN_WIDTH, gd_width,
2956                           GDI_EVENT_MASK, event_mask,
2957                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2958                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2959                           GDI_END);
2960
2961         if (gi == NULL)
2962           Error(ERR_EXIT, "cannot create gadget");
2963
2964         level_editor_gadget[id] = gi;
2965         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
2966       }
2967     }
2968   }
2969 }
2970
2971 static void CreateDrawingAreas()
2972 {
2973   int i;
2974
2975   for (i=0; i<ED_NUM_DRAWING_AREAS; i++)
2976   {
2977     struct GadgetInfo *gi;
2978     unsigned long event_mask;
2979     int id = drawingarea_info[i].gadget_id;
2980     int area_xsize = drawingarea_info[i].area_xsize;
2981     int area_ysize = drawingarea_info[i].area_ysize;
2982
2983     event_mask =
2984       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
2985       GD_EVENT_OFF_BORDERS;
2986
2987     gi = CreateGadget(GDI_CUSTOM_ID, id,
2988                       GDI_CUSTOM_TYPE_ID, i,
2989                       GDI_X, SX + drawingarea_info[i].x,
2990                       GDI_Y, SY + drawingarea_info[i].y,
2991                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2992                       GDI_AREA_SIZE, area_xsize, area_ysize,
2993                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2994                       GDI_EVENT_MASK, event_mask,
2995                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2996                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2997                       GDI_END);
2998
2999     if (gi == NULL)
3000       Error(ERR_EXIT, "cannot create gadget");
3001
3002     level_editor_gadget[id] = gi;
3003   }
3004 }
3005
3006 static void CreateTextInputGadgets()
3007 {
3008   int max_infotext_len = getMaxInfoTextLength();
3009   int i;
3010
3011   for (i=0; i<ED_NUM_TEXTINPUT; i++)
3012   {
3013     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3014     int gd_x, gd_y;
3015     struct GadgetInfo *gi;
3016     unsigned long event_mask;
3017     char infotext[MAX_OUTPUT_LINESIZE + 1];
3018     int id = textinput_info[i].gadget_id;
3019
3020     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3021
3022     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3023     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3024
3025     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
3026     infotext[max_infotext_len] = '\0';
3027
3028     gi = CreateGadget(GDI_CUSTOM_ID, id,
3029                       GDI_CUSTOM_TYPE_ID, i,
3030                       GDI_INFO_TEXT, infotext,
3031                       GDI_X, SX + textinput_info[i].x,
3032                       GDI_Y, SY + textinput_info[i].y,
3033                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
3034                       GDI_TEXT_VALUE, textinput_info[i].value,
3035                       GDI_TEXT_SIZE, textinput_info[i].size,
3036                       GDI_TEXT_FONT, FONT_INPUT_1,
3037                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3038                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3039                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3040                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3041                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3042                       GDI_EVENT_MASK, event_mask,
3043                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3044                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
3045                       GDI_END);
3046
3047     if (gi == NULL)
3048       Error(ERR_EXIT, "cannot create gadget");
3049
3050     level_editor_gadget[id] = gi;
3051   }
3052 }
3053
3054 static void CreateSelectboxGadgets()
3055 {
3056   int max_infotext_len = getMaxInfoTextLength();
3057   int i, j;
3058
3059   for (i=0; i<ED_NUM_SELECTBOX; i++)
3060   {
3061     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3062     int gd_x, gd_y;
3063     int xoffset = 0;
3064     struct GadgetInfo *gi;
3065     unsigned long event_mask;
3066     char infotext[MAX_OUTPUT_LINESIZE + 1];
3067     int id = selectbox_info[i].gadget_id;
3068
3069     if (selectbox_info[i].size == -1)   /* dynamically determine size */
3070     {
3071       /* (we cannot use -1 for uninitialized values if we directly compare
3072          with results from strlen(), because the '<' and '>' operation will
3073          implicitely cast -1 to an unsigned integer value!) */
3074       selectbox_info[i].size = 0;
3075
3076       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
3077         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
3078           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
3079
3080       selectbox_info[i].size++;         /* add one character empty space */
3081     }
3082
3083     event_mask = GD_EVENT_RELEASED |
3084       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3085
3086     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
3087     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
3088
3089     /* determine horizontal offset for leading selectbox text */
3090     if (selectbox_info[i].text_left != NULL)
3091       xoffset = (getFontWidth(FONT_TEXT_1) *
3092                  strlen(selectbox_info[i].text_left) +
3093                  ED_GADGET_TEXT_DISTANCE);
3094
3095     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
3096     infotext[max_infotext_len] = '\0';
3097
3098     gi = CreateGadget(GDI_CUSTOM_ID, id,
3099                       GDI_CUSTOM_TYPE_ID, i,
3100                       GDI_INFO_TEXT, infotext,
3101                       GDI_X, SX + selectbox_info[i].x + xoffset,
3102                       GDI_Y, SY + selectbox_info[i].y,
3103                       GDI_TYPE, GD_TYPE_SELECTBOX,
3104                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
3105                       GDI_TEXT_SIZE, selectbox_info[i].size,
3106                       GDI_TEXT_FONT, FONT_INPUT_1,
3107                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3108                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3109                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3110                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3111                       GDI_BORDER_SIZE_SELECTBUTTON, getFontWidth(FONT_INPUT_1),
3112                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3113                       GDI_EVENT_MASK, event_mask,
3114                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3115                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
3116                       GDI_END);
3117
3118     if (gi == NULL)
3119       Error(ERR_EXIT, "cannot create gadget");
3120
3121     level_editor_gadget[id] = gi;
3122   }
3123 }
3124
3125 static void CreateTextbuttonGadgets()
3126 {
3127   int max_infotext_len = getMaxInfoTextLength();
3128   int i;
3129
3130   for (i=0; i<ED_NUM_TEXTBUTTON; i++)
3131   {
3132     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3133     int gd_x1, gd_x2, gd_y1, gd_y2;
3134     struct GadgetInfo *gi;
3135     unsigned long event_mask;
3136     char infotext[MAX_OUTPUT_LINESIZE + 1];
3137     int id = textbutton_info[i].gadget_id;
3138
3139     if (textbutton_info[i].size == -1)  /* dynamically determine size */
3140       textbutton_info[i].size = strlen(textbutton_info[i].text);
3141
3142     event_mask = GD_EVENT_RELEASED;
3143
3144     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
3145     {
3146       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
3147       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
3148       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
3149       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
3150     }
3151     else
3152     {
3153       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
3154       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
3155       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
3156       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
3157     }
3158
3159     sprintf(infotext, "%s", textbutton_info[i].infotext);
3160     infotext[max_infotext_len] = '\0';
3161
3162     gi = CreateGadget(GDI_CUSTOM_ID, id,
3163                       GDI_CUSTOM_TYPE_ID, i,
3164                       GDI_INFO_TEXT, infotext,
3165                       GDI_X, SX + textbutton_info[i].x,
3166                       GDI_Y, SY + textbutton_info[i].y,
3167                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
3168                       GDI_TEXT_VALUE, textbutton_info[i].text,
3169                       GDI_TEXT_SIZE, textbutton_info[i].size,
3170                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
3171                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
3172                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3173                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3174                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3175                       GDI_BORDER_SIZE, ED_BORDER2_SIZE, ED_BORDER_SIZE,
3176                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3177                       GDI_DECORATION_SHIFTING, 1, 1,
3178                       GDI_EVENT_MASK, event_mask,
3179                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3180                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
3181                       GDI_END);
3182
3183     if (gi == NULL)
3184       Error(ERR_EXIT, "cannot create gadget");
3185
3186     level_editor_gadget[id] = gi;
3187   }
3188 }
3189
3190 static void CreateScrollbarGadgets()
3191 {
3192   int i;
3193
3194   for (i=0; i<ED_NUM_SCROLLBARS; i++)
3195   {
3196     int id = scrollbar_info[i].gadget_id;
3197     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3198     int gd_x1, gd_x2, gd_y1, gd_y2;
3199     struct GadgetInfo *gi;
3200     int items_max, items_visible, item_position;
3201     unsigned long event_mask;
3202
3203     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
3204     {
3205       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
3206       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
3207       item_position = 0;
3208     }
3209     else        /* drawing area scrollbars */
3210     {
3211       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
3212       {
3213         items_max = MAX(lev_fieldx + 2, ed_fieldx);
3214         items_visible = ed_fieldx;
3215         item_position = 0;
3216       }
3217       else
3218       {
3219         items_max = MAX(lev_fieldy + 2, ed_fieldy);
3220         items_visible = ed_fieldy;
3221         item_position = 0;
3222       }
3223     }
3224
3225     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
3226
3227     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
3228     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
3229                       scrollbar_info[i].height : scrollbar_info[i].width));
3230     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3231     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3232
3233     gi = CreateGadget(GDI_CUSTOM_ID, id,
3234                       GDI_CUSTOM_TYPE_ID, i,
3235                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
3236                       GDI_X, scrollbar_info[i].x,
3237                       GDI_Y, scrollbar_info[i].y,
3238                       GDI_WIDTH, scrollbar_info[i].width,
3239                       GDI_HEIGHT, scrollbar_info[i].height,
3240                       GDI_TYPE, scrollbar_info[i].type,
3241                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
3242                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3243                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
3244                       GDI_STATE, GD_BUTTON_UNPRESSED,
3245                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3246                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3247                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3248                       GDI_EVENT_MASK, event_mask,
3249                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3250                       GDI_CALLBACK_ACTION, HandleControlButtons,
3251                       GDI_END);
3252
3253     if (gi == NULL)
3254       Error(ERR_EXIT, "cannot create gadget");
3255
3256     level_editor_gadget[id] = gi;
3257   }
3258 }
3259
3260 static void CreateCheckbuttonGadgets()
3261 {
3262   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3263   struct GadgetInfo *gi;
3264   unsigned long event_mask;
3265   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3266   boolean checked;
3267   int i;
3268
3269   event_mask = GD_EVENT_PRESSED;
3270
3271   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3272   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3273   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3274   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3275   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3276
3277   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
3278   {
3279     int id = radiobutton_info[i].gadget_id;
3280
3281     checked =
3282       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3283
3284     gi = CreateGadget(GDI_CUSTOM_ID, id,
3285                       GDI_CUSTOM_TYPE_ID, i,
3286                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
3287                       GDI_X, SX + radiobutton_info[i].x,
3288                       GDI_Y, SY + radiobutton_info[i].y,
3289                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3290                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3291                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
3292                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
3293                       GDI_CHECKED, checked,
3294                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3295                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3296                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3297                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3298                       GDI_EVENT_MASK, event_mask,
3299                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3300                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
3301                       GDI_END);
3302
3303     if (gi == NULL)
3304       Error(ERR_EXIT, "cannot create gadget");
3305
3306     level_editor_gadget[id] = gi;
3307   }
3308
3309   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
3310   {
3311     int id = checkbutton_info[i].gadget_id;
3312
3313     if (id == GADGET_ID_STICK_ELEMENT)
3314       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
3315     else
3316       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
3317
3318     gi = CreateGadget(GDI_CUSTOM_ID, id,
3319                       GDI_CUSTOM_TYPE_ID, i,
3320                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
3321                       GDI_X, SX + checkbutton_info[i].x,
3322                       GDI_Y, SY + checkbutton_info[i].y,
3323                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3324                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3325                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
3326                       GDI_CHECKED, *checkbutton_info[i].value,
3327                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3328                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3329                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3330                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3331                       GDI_EVENT_MASK, event_mask,
3332                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3333                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
3334                       GDI_END);
3335
3336     if (gi == NULL)
3337       Error(ERR_EXIT, "cannot create gadget");
3338
3339     level_editor_gadget[id] = gi;
3340   }
3341 }
3342
3343 void CreateLevelEditorGadgets()
3344 {
3345   int old_game_status = game_status;
3346
3347   /* setting 'game_status' is needed to get the right fonts for the editor */
3348   game_status = GAME_MODE_EDITOR;
3349
3350   ReinitializeElementList();
3351
3352   CreateControlButtons();
3353   CreateCounterButtons();
3354   CreateDrawingAreas();
3355   CreateTextInputGadgets();
3356   CreateSelectboxGadgets();
3357   CreateTextbuttonGadgets();
3358   CreateScrollbarGadgets();
3359   CreateCheckbuttonGadgets();
3360
3361   game_status = old_game_status;
3362 }
3363
3364 void FreeLevelEditorGadgets()
3365 {
3366   int i;
3367
3368   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3369     FreeGadget(level_editor_gadget[i]);
3370 }
3371
3372 static void MapCounterButtons(int id)
3373 {
3374   char infotext[MAX_OUTPUT_LINESIZE + 1];
3375   int max_infotext_len = getMaxInfoTextLength();
3376   int xoffset_above = 0;
3377   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3378   int xoffset_left = 0;
3379   int yoffset_left = ED_BORDER_SIZE;
3380   int xoffset_right = getCounterGadgetWidth();
3381   int yoffset_right = ED_BORDER_SIZE;
3382   int x, y;
3383
3384   if (counterbutton_info[id].text_above)
3385   {
3386     x = SX + counterbutton_info[id].x + xoffset_above;
3387     y = SY + counterbutton_info[id].y + yoffset_above;
3388
3389     sprintf(infotext, "%s:", counterbutton_info[id].text_above);
3390     infotext[max_infotext_len] = '\0';
3391     DrawText(x, y, infotext, FONT_TEXT_1);
3392   }
3393
3394   if (counterbutton_info[id].text_left)
3395   {
3396     x = SX + counterbutton_info[id].x + xoffset_left;
3397     y = SY + counterbutton_info[id].y + yoffset_left;
3398
3399     sprintf(infotext, "%s", counterbutton_info[id].text_left);
3400     infotext[max_infotext_len] = '\0';
3401     DrawText(x, y, infotext, FONT_TEXT_1);
3402   }
3403
3404   if (counterbutton_info[id].text_right)
3405   {
3406     int gadget_id = counterbutton_info[id].gadget_id_down;
3407
3408     x = level_editor_gadget[gadget_id]->x + xoffset_right;
3409     y = SY + counterbutton_info[id].y + yoffset_right;
3410
3411     sprintf(infotext, "%s", counterbutton_info[id].text_right);
3412     infotext[max_infotext_len] = '\0';
3413     DrawText(x, y, infotext, FONT_TEXT_1);
3414   }
3415
3416   ModifyEditorCounter(id, *counterbutton_info[id].value);
3417
3418   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
3419   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
3420   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
3421 }
3422
3423 static void MapControlButtons()
3424 {
3425   int counter_id;
3426   int i;
3427
3428   /* map toolbox buttons */
3429   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
3430     MapGadget(level_editor_gadget[i]);
3431
3432   /* map buttons to select elements */
3433   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3434     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
3435   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
3436   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
3437   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
3438
3439   /* map buttons to select level */
3440   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
3441   ModifyEditorCounterLimits(counter_id,
3442                             leveldir_current->first_level,
3443                             leveldir_current->last_level);
3444   MapCounterButtons(counter_id);
3445 }
3446
3447 static void MapDrawingArea(int id)
3448 {
3449   MapGadget(level_editor_gadget[id]);
3450 }
3451
3452 static void MapTextInputGadget(int id)
3453 {
3454   char infotext[MAX_OUTPUT_LINESIZE + 1];
3455   int max_infotext_len = getMaxInfoTextLength();
3456   int xoffset_above = 0;
3457   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3458   int x = textinput_info[id].x + xoffset_above;
3459   int y = textinput_info[id].y + yoffset_above;
3460
3461   if (textinput_info[id].infotext)
3462   {
3463     sprintf(infotext, "%s:", textinput_info[id].infotext);
3464     infotext[max_infotext_len] = '\0';
3465     DrawTextF(x, y, FONT_TEXT_1, infotext);
3466   }
3467
3468   ModifyGadget(level_editor_gadget[textinput_info[id].gadget_id],
3469                GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
3470
3471   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
3472 }
3473
3474 static void MapSelectboxGadget(int id)
3475 {
3476   int xoffset_left = 0;
3477   int yoffset_left = ED_BORDER_SIZE;
3478   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
3479   int yoffset_right = ED_BORDER_SIZE;
3480   int x = selectbox_info[id].x + xoffset_left;
3481   int y = selectbox_info[id].y + yoffset_left;
3482
3483   if (selectbox_info[id].text_left)
3484     DrawTextF(x, y, FONT_TEXT_1, selectbox_info[id].text_left);
3485
3486   if (selectbox_info[id].text_right)
3487   {
3488     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
3489
3490     x = gi->x + gi->width + xoffset_right;
3491     y = SY + selectbox_info[id].y + yoffset_right;
3492
3493     DrawText(x, y, selectbox_info[id].text_right, FONT_TEXT_1);
3494   }
3495
3496   ModifyEditorSelectbox(id, *selectbox_info[id].value);
3497
3498   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
3499 }
3500
3501 static void MapTextbuttonGadget(int id)
3502 {
3503   MapGadget(level_editor_gadget[textbutton_info[id].gadget_id]);
3504 }
3505
3506 static void MapRadiobuttonGadget(int id)
3507 {
3508   int xoffset_right = ED_XOFFSET_CHECKBOX;
3509   int yoffset_right = ED_BORDER_SIZE;
3510   int x = radiobutton_info[id].x + xoffset_right;
3511   int y = radiobutton_info[id].y + yoffset_right;
3512   boolean checked =
3513     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
3514
3515   if (radiobutton_info[id].text_right)
3516     DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[id].text_right);
3517
3518   ModifyGadget(level_editor_gadget[radiobutton_info[id].gadget_id],
3519                GDI_CHECKED, checked, GDI_END);
3520
3521   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
3522 }
3523
3524 static void MapCheckbuttonGadget(int id)
3525 {
3526   int xoffset_right = ED_XOFFSET_CHECKBOX;
3527   int yoffset_right = ED_BORDER_SIZE;
3528   int x = checkbutton_info[id].x + xoffset_right;
3529   int y = checkbutton_info[id].y + yoffset_right;
3530
3531   if (checkbutton_info[id].text_right)
3532     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[id].text_right);
3533
3534   ModifyGadget(level_editor_gadget[checkbutton_info[id].gadget_id],
3535                GDI_CHECKED, *checkbutton_info[id].value,
3536                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
3537
3538   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
3539 }
3540
3541 static void MapMainDrawingArea()
3542 {
3543   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
3544   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
3545   int i;
3546
3547   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
3548   {
3549     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
3550           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
3551          no_horizontal_scrollbar) ||
3552         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
3553           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
3554          no_vertical_scrollbar))
3555       continue;
3556
3557     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
3558   }
3559
3560   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
3561   {
3562     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
3563         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
3564       continue;
3565
3566     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
3567   }
3568
3569   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
3570 }
3571
3572 static void UnmapDrawingArea(int id)
3573 {
3574   UnmapGadget(level_editor_gadget[id]);
3575 }
3576
3577 void UnmapLevelEditorWindowGadgets()
3578 {
3579   int i;
3580
3581   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3582     if (level_editor_gadget[i]->x < SX + SXSIZE)
3583       UnmapGadget(level_editor_gadget[i]);
3584 }
3585
3586 void UnmapLevelEditorGadgets()
3587 {
3588   int i;
3589
3590   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3591     UnmapGadget(level_editor_gadget[i]);
3592 }
3593
3594 static void ResetUndoBuffer()
3595 {
3596   undo_buffer_position = -1;
3597   undo_buffer_steps = -1;
3598   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3599 }
3600
3601 static void DrawEditModeWindow()
3602 {
3603   ModifyEditorElementList();
3604   RedrawDrawingElements();
3605
3606   if (edit_mode == ED_MODE_INFO)
3607     DrawLevelInfoWindow();
3608   else if (edit_mode == ED_MODE_PROPERTIES)
3609     DrawPropertiesWindow();
3610   else  /* edit_mode == ED_MODE_DRAWING */
3611     DrawDrawingWindow();
3612 }
3613
3614 static boolean LevelChanged()
3615 {
3616   boolean level_changed = FALSE;
3617   int x, y;
3618
3619   for(y=0; y<lev_fieldy; y++)
3620     for(x=0; x<lev_fieldx; x++)
3621       if (Feld[x][y] != level.field[x][y])
3622         level_changed = TRUE;
3623
3624   return level_changed;
3625 }
3626
3627 static boolean LevelContainsPlayer()
3628 {
3629   boolean player_found = FALSE;
3630   int x, y;
3631
3632   for(y=0; y<lev_fieldy; y++)
3633     for(x=0; x<lev_fieldx; x++)
3634       if (Feld[x][y] == EL_PLAYER_1 ||
3635           Feld[x][y] == EL_SP_MURPHY)
3636         player_found = TRUE;
3637
3638   return player_found;
3639 }
3640
3641 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
3642                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
3643 {
3644   int x, y;
3645
3646   for(x=0; x<lev_fieldx; x++)
3647     for(y=0; y<lev_fieldy; y++)
3648       dst[x][y] = src[x][y];
3649 }
3650
3651 static void CopyCustomElementPropertiesToEditor(int element)
3652 {
3653   int i;
3654
3655   /* needed here to initialize combined element properties */
3656   InitElementPropertiesEngine(level.game_version);
3657
3658   custom_element = element_info[element];
3659
3660   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3661     custom_element_properties[i] = HAS_PROPERTY(element, i);
3662
3663   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3664     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
3665
3666   /* ---------- element settings: configure (custom elements) ------------- */
3667
3668   /* set accessible layer selectbox help value */
3669   custom_element.access_type =
3670     (IS_WALKABLE(element) ? EP_WALKABLE :
3671      IS_PASSABLE(element) ? EP_PASSABLE :
3672      custom_element.access_type);
3673   custom_element.access_layer =
3674     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
3675      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
3676      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
3677      custom_element.access_layer);
3678   custom_element_properties[EP_ACCESSIBLE] =
3679     (IS_ACCESSIBLE_OVER(element) ||
3680      IS_ACCESSIBLE_INSIDE(element) ||
3681      IS_ACCESSIBLE_UNDER(element));
3682
3683   /* set walk-to-object action selectbox help value */
3684   custom_element.walk_to_action =
3685     (IS_DIGGABLE(element) ? EP_DIGGABLE :
3686      IS_COLLECTIBLE(element) ? EP_COLLECTIBLE :
3687      IS_PUSHABLE(element) ? EP_PUSHABLE :
3688      custom_element.walk_to_action);
3689   custom_element_properties[EP_WALK_TO_OBJECT] =
3690     (IS_DIGGABLE(element) ||
3691      IS_COLLECTIBLE(element) ||
3692      IS_PUSHABLE(element));
3693
3694   /* set smash targets selectbox help value */
3695   custom_element.smash_targets =
3696     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
3697      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
3698      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
3699      custom_element.smash_targets);
3700   custom_element_properties[EP_CAN_SMASH] =
3701     (CAN_SMASH_EVERYTHING(element) ||
3702      CAN_SMASH_ENEMIES(element) ||
3703      CAN_SMASH_PLAYER(element));
3704
3705   /* set deadliness selectbox help value */
3706   custom_element.deadliness =
3707     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
3708      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
3709      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
3710      custom_element.deadliness);
3711   custom_element_properties[EP_DEADLY] =
3712     (DONT_TOUCH(element) ||
3713      DONT_COLLIDE_WITH(element) ||
3714      DONT_RUN_INTO(element));
3715
3716   /* set consistency selectbox help value */
3717   custom_element.consistency =
3718     (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
3719      CAN_EXPLODE(element) ? EP_CAN_EXPLODE :
3720      custom_element.consistency);
3721   custom_element_properties[EP_EXPLODE_RESULT] =
3722     (IS_INDESTRUCTIBLE(element) ||
3723      CAN_EXPLODE(element));
3724
3725   /* special case: sub-settings dependent from main setting */
3726   if (CAN_EXPLODE_BY_FIRE(element))
3727     custom_element.can_explode_by_fire = TRUE;
3728   if (CAN_EXPLODE_SMASHED(element))
3729     custom_element.can_explode_smashed = TRUE;
3730   if (CAN_EXPLODE_IMPACT(element))
3731     custom_element.can_explode_impact  = TRUE;
3732
3733   /* ---------- element settings: advanced (custom elements) --------------- */
3734
3735   /* set change by player selectbox help value */
3736   custom_element.change_player_action =
3737     (HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
3738      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
3739      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
3740      custom_element.change_player_action);
3741
3742   /* set change by collision selectbox help value */
3743   custom_element.change_collide_action =
3744     (HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
3745      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
3746      HAS_CHANGE_EVENT(element, CE_COLLISION) ? CE_COLLISION :
3747      custom_element.change_collide_action);
3748
3749   /* set change by other element action selectbox help value */
3750   custom_element.change_other_action =
3751     (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
3752      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
3753      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
3754      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
3755      HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
3756      HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
3757      HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
3758      custom_element.change_other_action);
3759 }
3760
3761 static void CopyCustomElementPropertiesToGame(int element)
3762 {
3763   int i;
3764   int access_type_and_layer;
3765
3766   if (level.use_custom_template)
3767   {
3768     if (Request("Copy and modify level tem- plate ?", REQ_ASK))
3769     {
3770       level.use_custom_template = FALSE;
3771       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
3772                    GDI_CHECKED, FALSE, GDI_END);
3773     }
3774     else
3775     {
3776       LoadLevelTemplate(-1);
3777
3778       DrawEditModeWindow();
3779     }
3780   }
3781
3782   element_info[element] = custom_element;
3783
3784   /* ---------- element settings: configure (custom elements) ------------- */
3785
3786   /* set accessible property from checkbox and selectbox */
3787   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
3788   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
3789   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
3790   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
3791   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
3792   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
3793   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
3794                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
3795                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
3796   custom_element_properties[access_type_and_layer] =
3797     custom_element_properties[EP_ACCESSIBLE];
3798
3799   /* set walk-to-object property from checkbox and selectbox */
3800   custom_element_properties[EP_DIGGABLE] = FALSE;
3801   custom_element_properties[EP_COLLECTIBLE] = FALSE;
3802   custom_element_properties[EP_PUSHABLE] = FALSE;
3803   custom_element_properties[custom_element.walk_to_action] =
3804     custom_element_properties[EP_WALK_TO_OBJECT];
3805
3806   /* set smash property from checkbox and selectbox */
3807   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
3808   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
3809   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
3810   custom_element_properties[custom_element.smash_targets] =
3811     custom_element_properties[EP_CAN_SMASH];
3812
3813   /* set deadliness property from checkbox and selectbox */
3814   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
3815   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
3816   custom_element_properties[EP_DONT_TOUCH] = FALSE;
3817   custom_element_properties[custom_element.deadliness] =
3818     custom_element_properties[EP_DEADLY];
3819
3820   /* set consistency property from checkbox and selectbox */
3821   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
3822   custom_element_properties[EP_CAN_EXPLODE] = FALSE;
3823   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
3824   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
3825   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
3826   custom_element_properties[custom_element.consistency] =
3827     custom_element_properties[EP_EXPLODE_RESULT];
3828
3829   /* special case: sub-settings dependent from main setting */
3830   if (custom_element_properties[EP_CAN_EXPLODE])
3831   {
3832     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
3833       custom_element.can_explode_by_fire;
3834     custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
3835       custom_element.can_explode_smashed;
3836     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
3837       custom_element.can_explode_impact;
3838   }
3839
3840   /* ---------- element settings: advanced (custom elements) --------------- */
3841
3842   /* set player change event from checkbox and selectbox */
3843   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
3844   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
3845   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
3846   custom_element_change_events[custom_element.change_player_action] =
3847     custom_element_change_events[CE_BY_PLAYER];
3848
3849   /* set collision change event from checkbox and selectbox */
3850   custom_element_change_events[CE_COLLISION] = FALSE;
3851   custom_element_change_events[CE_IMPACT] = FALSE;
3852   custom_element_change_events[CE_SMASHED] = FALSE;
3853   custom_element_change_events[custom_element.change_collide_action] =
3854     custom_element_change_events[CE_BY_COLLISION];
3855
3856   /* set other element action change event from checkbox and selectbox */
3857   custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
3858   custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
3859   custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
3860   custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
3861   custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
3862   custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
3863   custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
3864   custom_element_change_events[custom_element.change_other_action] =
3865     custom_element_change_events[CE_BY_OTHER];
3866
3867   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3868     SET_PROPERTY(element, i, custom_element_properties[i]);
3869
3870   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3871     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
3872
3873   /* copy change events also to special level editor variable */
3874   custom_element = element_info[element];
3875 }
3876
3877 void DrawLevelEd()
3878 {
3879   CloseDoor(DOOR_CLOSE_ALL);
3880   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
3881
3882   if (level_editor_test_game)
3883   {
3884     CopyPlayfield(level.field, Feld);
3885     CopyPlayfield(FieldBackup, level.field);
3886
3887     level_editor_test_game = FALSE;
3888   }
3889   else
3890   {
3891     edit_mode = ED_MODE_DRAWING;
3892     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
3893
3894     ResetUndoBuffer();
3895
3896     level_xpos = -1;
3897     level_ypos = -1;
3898   }
3899
3900   /* copy default editor door content to main double buffer */
3901   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3902              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
3903
3904 #if 0
3905   /* draw mouse button brush elements */
3906   RedrawDrawingElements();
3907 #endif
3908
3909   /* draw bigger door */
3910   DrawSpecialEditorDoor();
3911
3912   /* draw new control window */
3913   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3914              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
3915
3916   redraw_mask |= REDRAW_ALL;
3917
3918   ReinitializeElementListButtons();     /* only needed after setup changes */
3919 #if 0
3920   ModifyEditorElementList();            /* may be needed for custom elements */
3921 #endif
3922
3923   UnmapTapeButtons();
3924   MapControlButtons();
3925
3926   DrawEditModeWindow();
3927
3928   /* copy actual editor door content to door double buffer for OpenDoor() */
3929   BlitBitmap(drawto, bitmap_db_door,
3930              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
3931
3932   OpenDoor(DOOR_OPEN_1);
3933 }
3934
3935 static void AdjustDrawingAreaGadgets()
3936 {
3937   int ed_xsize = lev_fieldx + 2;
3938   int ed_ysize = lev_fieldy + 2;
3939   int max_ed_fieldx = MAX_ED_FIELDX;
3940   int max_ed_fieldy = MAX_ED_FIELDY;
3941   boolean horizontal_scrollbar_needed;
3942   boolean vertical_scrollbar_needed;
3943   int x, y, width, height;
3944   int xoffset, yoffset;
3945
3946   /* check if we need any scrollbars */
3947   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3948   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3949
3950   /* check if we have a smaller editor field because of scrollbars */
3951   if (horizontal_scrollbar_needed)
3952     max_ed_fieldy = MAX_ED_FIELDY - 1;
3953   if (vertical_scrollbar_needed)
3954     max_ed_fieldx = MAX_ED_FIELDX - 1;
3955
3956   /* check again if we now need more scrollbars because of less space */
3957   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3958   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3959
3960   /* check if editor field gets even smaller after adding new scrollbars */
3961   if (horizontal_scrollbar_needed)
3962     max_ed_fieldy = MAX_ED_FIELDY - 1;
3963   if (vertical_scrollbar_needed)
3964     max_ed_fieldx = MAX_ED_FIELDX - 1;
3965
3966   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
3967   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
3968
3969   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
3970                GDI_WIDTH, ed_fieldx * MINI_TILEX,
3971                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
3972                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
3973                GDI_END);
3974
3975   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
3976   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
3977
3978   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
3979   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
3980
3981   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
3982   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
3983
3984   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
3985   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
3986
3987   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3988                GDI_WIDTH, width,
3989                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
3990                GDI_END);
3991   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
3992                GDI_HEIGHT, height,
3993                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
3994                GDI_END);
3995 }
3996
3997 static void AdjustLevelScrollPosition()
3998 {
3999   if (level_xpos < -1)
4000     level_xpos = -1;
4001   if (level_xpos > lev_fieldx - ed_fieldx + 1)
4002     level_xpos = lev_fieldx - ed_fieldx + 1;
4003   if (lev_fieldx < ed_fieldx - 2)
4004     level_xpos = -1;
4005
4006   if (level_ypos < -1)
4007     level_ypos = -1;
4008   if (level_ypos > lev_fieldy - ed_fieldy + 1)
4009     level_ypos = lev_fieldy - ed_fieldy + 1;
4010   if (lev_fieldy < ed_fieldy - 2)
4011     level_ypos = -1;
4012 }
4013
4014 static void AdjustEditorScrollbar(int id)
4015 {
4016   struct GadgetInfo *gi = level_editor_gadget[id];
4017   int items_max, items_visible, item_position;
4018
4019   if (id == GADGET_ID_SCROLL_HORIZONTAL)
4020   {
4021     items_max = MAX(lev_fieldx + 2, ed_fieldx);
4022     items_visible = ed_fieldx;
4023     item_position = level_xpos + 1;
4024   }
4025   else
4026   {
4027     items_max = MAX(lev_fieldy + 2, ed_fieldy);
4028     items_visible = ed_fieldy;
4029     item_position = level_ypos + 1;
4030   }
4031
4032   if (item_position > items_max - items_visible)
4033     item_position = items_max - items_visible;
4034
4035   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
4036                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
4037 }
4038
4039 static void ModifyEditorCounter(int counter_id, int new_value)
4040 {
4041   int *counter_value = counterbutton_info[counter_id].value;
4042   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4043   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4044
4045   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
4046
4047   if (counter_value != NULL)
4048     *counter_value = gi->text.number_value;
4049 }
4050
4051 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
4052 {
4053   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4054   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4055
4056   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
4057 }
4058
4059 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
4060 {
4061   int gadget_id = selectbox_info[selectbox_id].gadget_id;
4062   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4063   int new_index_value = 0;
4064   int i;
4065
4066   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
4067     if (selectbox_info[selectbox_id].options[i].value == new_value)
4068       new_index_value = i;
4069
4070   *selectbox_info[selectbox_id].value =
4071     selectbox_info[selectbox_id].options[new_index_value].value;
4072
4073   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
4074 }
4075
4076 static void ModifyEditorElementList()
4077 {
4078   int i;
4079
4080   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4081   {
4082     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4083     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4084     struct GadgetDesign *gd = &gi->deco.design;
4085     int element = editor_elements[element_shift + i];
4086
4087     UnmapGadget(gi);
4088     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
4089     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4090     MapGadget(gi);
4091   }
4092 }
4093
4094 static void PickDrawingElement(int button, int element)
4095 {
4096   if (button < 1 || button > 3)
4097     return;
4098
4099   if (button == 1)
4100   {
4101     new_element1 = element;
4102     DrawMiniGraphicExt(drawto,
4103                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
4104                        el2edimg(new_element1));
4105   }
4106   else if (button == 2)
4107   {
4108     new_element2 = element;
4109     DrawMiniGraphicExt(drawto,
4110                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
4111                        el2edimg(new_element2));
4112   }
4113   else
4114   {
4115     new_element3 = element;
4116     DrawMiniGraphicExt(drawto,
4117                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
4118                        el2edimg(new_element3));
4119   }
4120
4121   redraw_mask |= REDRAW_DOOR_1;
4122 }
4123
4124 static void RedrawDrawingElements()
4125 {
4126   PickDrawingElement(1, new_element1);
4127   PickDrawingElement(2, new_element2);
4128   PickDrawingElement(3, new_element3);
4129 }
4130
4131 static void DrawDrawingWindow()
4132 {
4133   stick_element_properties_window = FALSE;
4134
4135   SetMainBackgroundImage(IMG_UNDEFINED);
4136   ClearWindow();
4137   UnmapLevelEditorWindowGadgets();
4138
4139   AdjustDrawingAreaGadgets();
4140   AdjustLevelScrollPosition();
4141   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
4142   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
4143
4144   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4145   MapMainDrawingArea();
4146 }
4147
4148 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
4149                               boolean input)
4150 {
4151   int border_graphic =
4152     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
4153   Bitmap *src_bitmap;
4154   int src_x, src_y;
4155   int num_mini_tilex = width / MINI_TILEX + 1;
4156   int num_mini_tiley = width / MINI_TILEY + 1;
4157   int x, y;
4158
4159   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
4160
4161   for (y=0; y < num_mini_tiley; y++)
4162     for (x=0; x < num_mini_tilex; x++)
4163       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
4164                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
4165                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
4166
4167   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
4168 }
4169
4170 static void DrawRandomPlacementBackgroundArea()
4171 {
4172   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
4173   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
4174   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
4175   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
4176
4177   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4178   DrawMiniElement(area_x, area_y, random_placement_background_element);
4179
4180   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
4181 }
4182
4183 static void DrawLevelInfoWindow()
4184 {
4185   int i;
4186
4187   stick_element_properties_window = FALSE;
4188
4189   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4190   ClearWindow();
4191   UnmapLevelEditorWindowGadgets();
4192
4193   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4194            "Level Settings", FONT_TITLE_1);
4195   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
4196            "Editor Settings", FONT_TITLE_1);
4197
4198   /* draw counter gadgets */
4199   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
4200     MapCounterButtons(i);
4201
4202   /* draw checkbutton gadgets */
4203   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
4204     MapCheckbuttonGadget(i);
4205
4206   /* draw radiobutton gadgets */
4207   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
4208     MapRadiobuttonGadget(i);
4209
4210   /* draw text input gadgets */
4211   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
4212     MapTextInputGadget(i);
4213
4214   /* draw drawing area */
4215   DrawRandomPlacementBackgroundArea();
4216 }
4217
4218 static void DrawAmoebaContentArea()
4219 {
4220   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
4221   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
4222   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
4223   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
4224
4225   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4226   DrawMiniElement(area_x, area_y, level.amoeba_content);
4227
4228   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
4229
4230   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
4231 }
4232
4233 static void DrawCustomGraphicElementArea()
4234 {
4235   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_GRAPHIC];
4236   int xpos = ED_AREA_ELEM_CONTENT3_XPOS;
4237   int ypos = ED_AREA_ELEM_CONTENT3_YPOS;
4238   int area_sx = SX + xpos;
4239   int area_sy = SY + ypos;
4240
4241   if (!IS_CUSTOM_ELEMENT(properties_element))
4242   {
4243     /* this should never happen */
4244     Error(ERR_WARN, "element %d is no custom element", properties_element);
4245
4246     return;
4247   }
4248
4249   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4250   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4251                      el2edimg(custom_element.gfx_element));
4252
4253   MapDrawingArea(GADGET_ID_CUSTOM_GRAPHIC);
4254 }
4255
4256 static void DrawCustomContentArea()
4257 {
4258   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CONTENT];
4259   int area_sx = SX + ED_AREA_ELEM_CONTENT4_XPOS;
4260   int area_sy = SY + ED_AREA_ELEM_CONTENT4_YPOS;
4261   int x, y;
4262
4263   if (!IS_CUSTOM_ELEMENT(properties_element))
4264   {
4265     /* this should never happen */
4266     Error(ERR_WARN, "element %d is no custom element", properties_element);
4267
4268     return;
4269   }
4270
4271   DrawElementBorder(area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4272
4273   for (y=0; y<3; y++)
4274     for (x=0; x<3; x++)
4275       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
4276                          el2edimg(custom_element.content[x][y]));
4277
4278   MapDrawingArea(GADGET_ID_CUSTOM_CONTENT);
4279 }
4280
4281 static void DrawCustomChangeTargetArea()
4282 {
4283   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TARGET];
4284   int xpos = ED_AREA_ELEM_CONTENT2_XPOS;
4285   int ypos = ED_AREA_ELEM_CONTENT2_YPOS;
4286   int area_sx = SX + xpos;
4287   int area_sy = SY + ypos;
4288
4289   if (!IS_CUSTOM_ELEMENT(properties_element))
4290   {
4291     /* this should never happen */
4292     Error(ERR_WARN, "element %d is no custom element", properties_element);
4293
4294     return;
4295   }
4296
4297   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4298   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4299                      el2edimg(custom_element.change.target_element));
4300
4301   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TARGET);
4302 }
4303
4304 static void DrawCustomChangeContentArea()
4305 {
4306   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_CONTENT];
4307   int area_sx = SX + ED_AREA_ELEM_CONTENT6_XPOS;
4308   int area_sy = SY + ED_AREA_ELEM_CONTENT6_YPOS;
4309   int x, y;
4310
4311   if (!IS_CUSTOM_ELEMENT(properties_element))
4312   {
4313     /* this should never happen */
4314     Error(ERR_WARN, "element %d is no custom element", properties_element);
4315
4316     return;
4317   }
4318
4319   DrawElementBorder(area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4320
4321   for (y=0; y<3; y++)
4322     for (x=0; x<3; x++)
4323       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
4324                          el2edimg(custom_element.change.content[x][y]));
4325
4326   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_CONTENT);
4327 }
4328
4329 static void DrawCustomChangeTriggerArea()
4330 {
4331   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TRIGGER];
4332   int xpos = ED_AREA_ELEM_CONTENT5_XPOS;
4333   int ypos = ED_AREA_ELEM_CONTENT5_YPOS;
4334   int area_sx = SX + xpos;
4335   int area_sy = SY + ypos;
4336
4337   if (!IS_CUSTOM_ELEMENT(properties_element))
4338   {
4339     /* this should never happen */
4340     Error(ERR_WARN, "element %d is no custom element", properties_element);
4341
4342     return;
4343   }
4344
4345   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4346   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4347                      el2edimg(custom_element.change.trigger_element));
4348
4349   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TRIGGER);
4350 }
4351
4352 static void DrawElementContentAreas()
4353 {
4354   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
4355   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
4356   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
4357   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
4358   int i, x, y;
4359
4360   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
4361     UnmapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
4362
4363   /* display counter to choose number of element content areas */
4364   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
4365
4366   /* delete content areas in case of reducing number of them */
4367   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
4368
4369   for (i=0; i<level.num_yamyam_contents; i++)
4370     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
4371                       area_sy + 6 * (i / 4) * MINI_TILEY,
4372                       3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4373
4374   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
4375            "Content", FONT_TEXT_1);
4376   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
4377            "when",    FONT_TEXT_1);
4378   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
4379            "smashed", FONT_TEXT_1);
4380
4381   for (i=0; i<level.num_yamyam_contents; i++)
4382   {
4383     for (y=0; y<3; y++)
4384       for (x=0; x<3; x++)
4385         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
4386                         level.yamyam_content[i][x][y]);
4387
4388     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
4389               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
4390               FONT_TEXT_1, "%d", i + 1);
4391   }
4392
4393   for (i=0; i<level.num_yamyam_contents; i++)
4394     MapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
4395 }
4396
4397 char *getElementDescriptionFilename(int element)
4398 {
4399   char *docs_dir = options.docs_directory;
4400   char *elements_subdir = "elements";
4401   static char *filename = NULL;
4402   char basename[MAX_FILENAME_LEN];
4403
4404   if (filename != NULL)
4405     free(filename);
4406
4407   /* 1st try: look for element description file for exactly this element */
4408   sprintf(basename, "%s.txt", element_info[element].token_name);
4409   filename = getPath3(docs_dir, elements_subdir, basename);
4410   if (fileExists(filename))
4411     return filename;
4412
4413   free(filename);
4414
4415   /* 2nd try: look for element description file for this element's class */
4416   sprintf(basename, "%s.txt", element_info[element].class_name);
4417   filename = getPath3(docs_dir, elements_subdir, basename);
4418   if (fileExists(filename))
4419     return filename;
4420
4421   return NULL;
4422 }
4423
4424 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
4425 {
4426   int font_height = getFontHeight(font_nr);
4427   int pad_x = ED_SETTINGS_XPOS(0);
4428   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4429   int sx = SX + pad_x;
4430   int sy = SY + pad_y;
4431   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
4432
4433   if (screen_line >= max_lines_per_screen)
4434     return FALSE;
4435
4436   DrawText(sx, sy + screen_line * font_height, text, font_nr);
4437
4438   return TRUE;
4439 }
4440
4441 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
4442 {
4443   int font_nr = FONT_TEXT_2;
4444   int font_width = getFontWidth(font_nr);
4445   int pad_x = ED_SETTINGS_XPOS(0);
4446   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
4447   char line[MAX_LINE_LEN];
4448   char buffer[max_chars_per_line + 1];
4449   int buffer_len;
4450   int lines_printed = 0;
4451   FILE *file;
4452
4453   if (filename == NULL)
4454     return 0;
4455
4456   if (!(file = fopen(filename, MODE_READ)))
4457     return 0;
4458
4459   buffer[0] = '\0';
4460   buffer_len = 0;
4461
4462   while(!feof(file))
4463   {
4464     char *line_ptr, *word_ptr;
4465     boolean last_line_was_empty = TRUE;
4466
4467     /* read next line of input file */
4468     if (!fgets(line, MAX_LINE_LEN, file))
4469       break;
4470
4471     /* skip comments (lines directly beginning with '#') */
4472     if (line[0] == '#')
4473       continue;
4474
4475     /* cut trailing newline from input line */
4476     for (line_ptr = line; *line_ptr; line_ptr++)
4477     {
4478       if (*line_ptr == '\n' || *line_ptr == '\r')
4479       {
4480         *line_ptr = '\0';
4481         break;
4482       }
4483     }
4484
4485     if (strlen(line) == 0)              /* special case: force empty line */
4486       strcpy(line, "\n");
4487
4488     word_ptr = line;
4489
4490     while (*word_ptr)
4491     {
4492       boolean print_buffer = FALSE;
4493       int word_len;
4494
4495       /* skip leading whitespaces */
4496       while (*word_ptr == ' ' || *word_ptr == '\t')
4497         word_ptr++;
4498
4499       line_ptr = word_ptr;
4500       word_len = 0;
4501
4502       /* look for end of next word */
4503       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
4504       {
4505         line_ptr++;
4506         word_len++;
4507       }
4508
4509       if (word_len == 0)
4510       {
4511         continue;
4512       }
4513       else if (*word_ptr == '\n')       /* special case: force empty line */
4514       {
4515         if (buffer_len == 0)
4516           word_ptr++;
4517
4518         /* prevent printing of multiple empty lines */
4519         if (buffer_len > 0 || !last_line_was_empty)
4520           print_buffer = TRUE;
4521       }
4522       else if (word_len < max_chars_per_line - buffer_len)
4523       {
4524         /* word fits into text buffer -- add word */
4525
4526         if (buffer_len > 0)
4527           buffer[buffer_len++] = ' ';
4528
4529         strncpy(&buffer[buffer_len], word_ptr, word_len);
4530         buffer_len += word_len;
4531         buffer[buffer_len] = '\0';
4532         word_ptr += word_len;
4533       }
4534       else if (buffer_len > 0)
4535       {
4536         /* not enough space left for word in text buffer -- print buffer */
4537
4538         print_buffer = TRUE;
4539       }
4540       else
4541       {
4542         /* word does not fit at all into empty text buffer -- cut word */
4543
4544         strncpy(buffer, word_ptr, max_chars_per_line);
4545         buffer[max_chars_per_line] = '\0';
4546         word_ptr += max_chars_per_line;
4547         print_buffer = TRUE;
4548       }
4549
4550       if (print_buffer)
4551       {
4552         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4553           return lines_printed;
4554
4555         last_line_was_empty = (buffer_len == 0);
4556         lines_printed++;
4557
4558         buffer[0] = '\0';
4559         buffer_len = 0;
4560         print_buffer = FALSE;
4561       }
4562     }
4563   }
4564
4565   fclose(file);
4566
4567   if (buffer_len > 0)
4568     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4569       lines_printed++;
4570
4571   return lines_printed;
4572 }
4573
4574 static void DrawPropertiesTabulatorGadgets()
4575 {
4576   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
4577   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
4578   int gd_x = gd->x + gd_gi->border.width / 2;
4579   int gd_y = gd->y + gd_gi->height - 1;
4580   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
4581   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
4582   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
4583   int i;
4584
4585   /* draw additional "advanced" tabulator for custom elements */
4586   if (IS_CUSTOM_ELEMENT(properties_element))
4587     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
4588
4589   for (i=id_first; i <= id_last; i++)
4590   {
4591     int gadget_id = textbutton_info[i].gadget_id;
4592     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4593     boolean active = (i != edit_mode_properties);
4594
4595     /* draw background line below tabulator button */
4596     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
4597
4598     /* draw solid line below inactive tabulator buttons */
4599     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
4600       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
4601
4602     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
4603     MapTextbuttonGadget(i);
4604   }
4605
4606   /* draw little border line below tabulator buttons */
4607   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
4608     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
4609                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
4610                   ED_GADGET_DISTANCE, tab_color);
4611 }
4612
4613 static void DrawPropertiesInfo()
4614 {
4615   static struct
4616   {
4617     int value;
4618     char *text;
4619   }
4620   properties[] =
4621   {
4622     /* configurable properties */
4623     { EP_INDESTRUCTIBLE,        "- undestructible"                      },
4624     { EP_SLIPPERY,              "- slippery for falling objects"        },
4625     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
4626
4627     { EP_DIGGABLE,              "- diggable"                            },
4628     { EP_COLLECTIBLE,           "- collectible"                         },
4629     { EP_PUSHABLE,              "- pushable"                            },
4630
4631     { EP_CAN_MOVE,              "- can move"                            },
4632     { EP_CAN_FALL,              "- can fall"                            },
4633 #if 0
4634     { EP_CAN_SMASH,             "- can smash"                           },
4635 #endif
4636     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
4637     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
4638     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
4639     { EP_CAN_EXPLODE,           "- can explode"                         },
4640     { EP_CAN_EXPLODE_BY_FIRE,   "  - by fire or explosions"             },
4641     { EP_CAN_EXPLODE_SMASHED,   "  - when smashed"                      },
4642     { EP_CAN_EXPLODE_IMPACT,    "  - on impact"                         },
4643
4644     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
4645     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
4646     { EP_DONT_TOUCH,            "- deadly when touching"                },
4647
4648     { EP_WALKABLE_OVER,         "- player can walk over it"             },
4649     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
4650     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
4651     { EP_PASSABLE_OVER,         "- player can pass over it"             },
4652     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
4653     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
4654
4655     /* pre-defined properties */
4656     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
4657     { EP_HAS_CONTENT,           "- can contain other elements"          },
4658
4659     { -1,                       NULL                                    }
4660   };
4661   char *filename = getElementDescriptionFilename(properties_element);
4662   char *percentage_text = "In this level:";
4663   char *properties_text = "Standard properties:";
4664   float percentage;
4665   int num_elements_in_level;
4666   int num_standard_properties = 0;
4667   int font1_nr = FONT_TEXT_1;
4668   int font2_nr = FONT_TEXT_2;
4669   int font1_width = getFontWidth(font1_nr);
4670   int font2_height = getFontHeight(font2_nr);
4671   int pad_x = ED_SETTINGS_XPOS(0);
4672   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4673   int screen_line = 0;
4674   int i, x, y;
4675
4676   /* ----- print number of elements / percentage of this element in level */
4677
4678   num_elements_in_level = 0;
4679   for (y=0; y<lev_fieldy; y++)
4680     for (x=0; x<lev_fieldx; x++)
4681       if (Feld[x][y] == properties_element)
4682         num_elements_in_level++;
4683   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
4684
4685   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
4686             percentage_text);
4687   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
4688             pad_y + screen_line++ * font2_height, font2_nr,
4689             "%d (%.2f%%)", num_elements_in_level, percentage);
4690
4691   screen_line++;
4692
4693   /* ----- print standard properties of this element */
4694
4695   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
4696             properties_text);
4697
4698   for (i=0; properties[i].value != -1; i++)
4699   {
4700     if (!HAS_PROPERTY(properties_element, properties[i].value))
4701       continue;
4702
4703     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
4704               properties[i].text);
4705     num_standard_properties++;
4706   }
4707
4708   if (num_standard_properties == 0)
4709     DrawTextF(pad_x + strlen(properties_text) * font1_width,
4710               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
4711
4712   screen_line++;
4713
4714   /* ----- print special description of this element */
4715
4716   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
4717   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
4718     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
4719 }
4720
4721 #define TEXT_COLLECTING         "Score for collecting"
4722 #define TEXT_SMASHING           "Score for smashing"
4723 #define TEXT_CRACKING           "Score for cracking"
4724 #define TEXT_SPEED              "Speed of amoeba growth"
4725 #define TEXT_DURATION           "Duration when activated"
4726
4727 static struct
4728 {
4729   int element;
4730   int *value;
4731   char *text;
4732 } elements_with_counter[] =
4733 {
4734   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
4735   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
4736   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4737   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4738   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4739   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4740   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
4741   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
4742   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
4743   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
4744   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
4745   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
4746   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
4747   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
4748   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
4749   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
4750   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
4751   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
4752   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4753   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4754   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4755   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4756   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4757   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4758   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4759   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4760   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4761   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4762   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4763   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
4764   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
4765   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
4766   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4767   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4768   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
4769   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
4770   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
4771   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4772   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4773   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4774   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4775   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
4776   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
4777   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
4778   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
4779   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
4780   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4781   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4782   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4783   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4784   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
4785   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
4786   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
4787   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
4788   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
4789   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
4790   { -1,                 NULL,                           NULL            }
4791 };
4792
4793 static boolean checkPropertiesConfig()
4794 {
4795   int i;
4796
4797   if (IS_GEM(properties_element) ||
4798       IS_CUSTOM_ELEMENT(properties_element) ||
4799       HAS_CONTENT(properties_element))
4800     return TRUE;
4801   else
4802     for (i=0; elements_with_counter[i].element != -1; i++)
4803       if (elements_with_counter[i].element == properties_element)
4804         return TRUE;
4805
4806   return FALSE;
4807 }
4808
4809 static void DrawPropertiesConfig()
4810 {
4811   int i;
4812
4813   if (!checkPropertiesConfig())
4814   {
4815     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
4816
4817     return;
4818   }
4819
4820   /* check if there are elements where a score can be chosen for */
4821   for (i=0; elements_with_counter[i].element != -1; i++)
4822   {
4823     if (elements_with_counter[i].element == properties_element)
4824     {
4825       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
4826
4827       counterbutton_info[counter_id].value = elements_with_counter[i].value;
4828       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
4829       MapCounterButtons(counter_id);
4830
4831       break;
4832     }
4833   }
4834
4835   if (HAS_CONTENT(properties_element))
4836   {
4837     /* draw stickybutton gadget */
4838     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4839     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
4840     MapCheckbuttonGadget(i);
4841
4842     if (IS_AMOEBOID(properties_element))
4843       DrawAmoebaContentArea();
4844     else
4845       DrawElementContentAreas();
4846   }
4847
4848   if (IS_GEM(properties_element))
4849     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
4850
4851   if (IS_CUSTOM_ELEMENT(properties_element))
4852   {
4853     /* draw stickybutton gadget */
4854     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4855     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4856     MapCheckbuttonGadget(i);
4857
4858     /* draw checkbutton gadgets */
4859     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
4860          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
4861       MapCheckbuttonGadget(i);
4862
4863     /* draw counter gadgets */
4864     for (i=ED_COUNTER_ID_CUSTOM_FIRST; i<=ED_COUNTER_ID_CUSTOM_LAST; i++)
4865       MapCounterButtons(i);
4866
4867     /* draw selectbox gadgets */
4868     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
4869       MapSelectboxGadget(i);
4870
4871     /* draw drawing area gadgets */
4872     DrawCustomContentArea();
4873
4874     /* draw text input gadgets */
4875     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
4876   }
4877 }
4878
4879 static void DrawPropertiesAdvancedDrawingAreas()
4880 {
4881   DrawCustomGraphicElementArea();
4882   DrawCustomChangeTargetArea();
4883   DrawCustomChangeTriggerArea();
4884   DrawCustomChangeContentArea();
4885
4886   redraw_mask |= REDRAW_FIELD;
4887 }
4888
4889 static void DrawPropertiesAdvanced()
4890 {
4891   int i;
4892
4893   /* draw stickybutton gadget */
4894   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4895   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4896   MapCheckbuttonGadget(i);
4897
4898   /* draw checkbutton gadgets */
4899   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
4900        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
4901     MapCheckbuttonGadget(i);
4902
4903   /* draw counter gadgets */
4904   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
4905     MapCounterButtons(i);
4906
4907   /* draw selectbox gadgets */
4908   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
4909     MapSelectboxGadget(i);
4910
4911   /* draw textbutton gadgets */
4912   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
4913
4914   /* draw drawing area gadgets */
4915   DrawPropertiesAdvancedDrawingAreas();
4916 }
4917
4918 static void DrawElementName(int x, int y, int element)
4919 {
4920   char *element_name = getElementInfoText(element);
4921   int font_nr = FONT_TEXT_1;
4922   int font_width = getFontWidth(font_nr);
4923   int font_height = getFontHeight(font_nr);
4924   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
4925   int max_chars_per_line = max_text_width / font_width;
4926   char buffer[max_chars_per_line + 1];
4927
4928   if (strlen(element_name) <= max_chars_per_line)
4929     DrawTextF(x, y, font_nr, element_name);
4930   else
4931   {
4932     int next_pos = max_chars_per_line;
4933
4934     strncpy(buffer, element_name, max_chars_per_line);
4935     buffer[max_chars_per_line] = '\0';
4936
4937     if (element_name[max_chars_per_line] == ' ')
4938       next_pos++;
4939     else
4940     {
4941       int i;
4942
4943       for (i = max_chars_per_line - 1; i >= 0; i--)
4944         if (buffer[i] == ' ')
4945           break;
4946
4947       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
4948       {
4949         buffer[i] = '\0';
4950         next_pos = i + 1;
4951       }
4952     }
4953
4954     DrawTextF(x, y - font_height / 2, font_nr, buffer);
4955
4956     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
4957     buffer[max_chars_per_line] = '\0';
4958
4959     DrawTextF(x, y + font_height / 2, font_nr, buffer);
4960   }
4961 }
4962
4963 static void DrawPropertiesWindow()
4964 {
4965   int xstart = 2;
4966   int ystart = 4;
4967
4968   stick_element_properties_window = FALSE;
4969
4970   /* make sure that previous properties edit mode exists for this element */
4971   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
4972       !IS_CUSTOM_ELEMENT(properties_element))
4973     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
4974
4975   if (IS_CUSTOM_ELEMENT(properties_element))
4976     CopyCustomElementPropertiesToEditor(properties_element);
4977
4978   UnmapLevelEditorWindowGadgets();
4979
4980   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4981   ClearWindow();
4982
4983   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4984            "Element Settings", FONT_TITLE_1);
4985
4986   DrawElementBorder(SX + xstart * MINI_TILEX,
4987                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4988                     TILEX, TILEY, FALSE);
4989   DrawGraphicAnimationExt(drawto,
4990                           SX + xstart * MINI_TILEX,
4991                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4992                           el2img(properties_element), -1, NO_MASKING);
4993
4994   FrameCounter = 0;     /* restart animation frame counter */
4995
4996   DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
4997                   properties_element);
4998
4999   DrawPropertiesTabulatorGadgets();
5000
5001   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
5002     DrawPropertiesInfo();
5003   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
5004     DrawPropertiesConfig();
5005   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
5006     DrawPropertiesAdvanced();
5007 }
5008
5009 static void UpdateCustomElementGraphicGadgets()
5010 {
5011   ModifyEditorElementList();
5012   RedrawDrawingElements();
5013
5014   if (edit_mode == ED_MODE_PROPERTIES &&
5015       edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED)
5016     DrawPropertiesAdvancedDrawingAreas();
5017 }
5018
5019 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
5020 {
5021   int lx = sx + level_xpos;
5022   int ly = sy + level_ypos;
5023
5024   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
5025
5026   if (change_level)
5027     Feld[lx][ly] = element;
5028 }
5029
5030 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
5031                      int element, boolean change_level)
5032 {
5033   if (from_y == to_y)                   /* horizontal line */
5034   {
5035     int x;
5036     int y = from_y;
5037
5038     if (from_x > to_x)
5039       swap_numbers(&from_x, &to_x);
5040
5041     for (x=from_x; x<=to_x; x++)
5042       DrawLineElement(x, y, element, change_level);
5043   }
5044   else if (from_x == to_x)              /* vertical line */
5045   {
5046     int x = from_x;
5047     int y;
5048
5049     if (from_y > to_y)
5050       swap_numbers(&from_y, &to_y);
5051
5052     for (y=from_y; y<=to_y; y++)
5053       DrawLineElement(x, y, element, change_level);
5054   }
5055   else                                  /* diagonal line */
5056   {
5057     int len_x = ABS(to_x - from_x);
5058     int len_y = ABS(to_y - from_y);
5059     int x, y;
5060
5061     if (len_y < len_x)                  /* a < 1 */
5062     {
5063       float a = (float)len_y / (float)len_x;
5064
5065       if (from_x > to_x)
5066         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5067
5068       for (x=0; x<=len_x; x++)
5069       {
5070         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
5071         DrawLineElement(from_x + x, from_y + y, element, change_level);
5072       }
5073     }
5074     else                                /* a >= 1 */
5075     {
5076       float a = (float)len_x / (float)len_y;
5077
5078       if (from_y > to_y)
5079         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5080
5081       for (y=0; y<=len_y; y++)
5082       {
5083         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
5084         DrawLineElement(from_x + x, from_y + y, element, change_level);
5085       }
5086     }
5087   }
5088 }
5089
5090 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
5091                     int element, boolean change_level)
5092 {
5093   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
5094   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
5095   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
5096   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
5097 }
5098
5099 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
5100                           int element, boolean change_level)
5101 {
5102   int y;
5103
5104   if (from_y > to_y)
5105     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5106
5107   for (y=from_y; y<=to_y; y++)
5108     DrawLine(from_x, y, to_x, y, element, change_level);
5109 }
5110
5111 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
5112                        int element, boolean change_level)
5113 {
5114   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
5115   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
5116   int len_x = ABS(to_x - from_x);
5117   int len_y = ABS(to_y - from_y);
5118   int radius, x, y;
5119
5120   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
5121
5122   /* not optimal (some points get drawn twice) but simple,
5123      and fast enough for the few points we are drawing */
5124
5125   for (x=0; x<=radius; x++)
5126   {
5127     int sx, sy, lx, ly;
5128
5129     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
5130
5131     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5132     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5133     lx = sx + level_xpos;
5134     ly = sy + level_ypos;
5135
5136     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5137       DrawLineElement(sx, sy, element, change_level);
5138   }
5139
5140   for (y=0; y<=radius; y++)
5141   {
5142     int sx, sy, lx, ly;
5143
5144     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
5145
5146     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5147     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5148     lx = sx + level_xpos;
5149     ly = sy + level_ypos;
5150
5151     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5152       DrawLineElement(sx, sy, element, change_level);
5153   }
5154 }
5155
5156 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
5157                     int element, boolean change_level)
5158 {
5159   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5160   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5161
5162   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5163 }
5164
5165 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
5166 #if DRAW_CIRCLES_BUTTON_AVAILABLE
5167 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
5168                        int element, boolean change_level)
5169 {
5170   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5171   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5172   int mirror_to_x2 = from_x - (to_x2 - from_x);
5173   int mirror_to_y2 = from_y - (to_y2 - from_y);
5174
5175   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5176   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
5177   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
5178   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
5179 }
5180 #endif
5181
5182 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
5183 {
5184   int from_sx, from_sy;
5185   int to_sx, to_sy;
5186
5187   if (from_x > to_x)
5188     swap_numbers(&from_x, &to_x);
5189
5190   if (from_y > to_y)
5191     swap_numbers(&from_y, &to_y);
5192
5193   from_sx = SX + from_x * MINI_TILEX;
5194   from_sy = SY + from_y * MINI_TILEY;
5195   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
5196   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
5197
5198   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
5199   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
5200   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
5201   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
5202
5203   if (from_x == to_x && from_y == to_y)
5204     MarkTileDirty(from_x/2, from_y/2);
5205   else
5206     redraw_mask |= REDRAW_FIELD;
5207 }
5208
5209 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
5210                        int element, boolean change_level)
5211 {
5212   if (element == -1 || change_level)
5213     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
5214   else
5215     DrawAreaBorder(from_x, from_y, to_x, to_y);
5216 }
5217
5218 /* values for CopyBrushExt() */
5219 #define CB_AREA_TO_BRUSH        0
5220 #define CB_BRUSH_TO_CURSOR      1
5221 #define CB_BRUSH_TO_LEVEL       2
5222 #define CB_DELETE_OLD_CURSOR    3
5223
5224 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
5225                          int button, int mode)
5226 {
5227   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
5228   static int brush_width, brush_height;
5229   static int last_cursor_x = -1, last_cursor_y = -1;
5230   static boolean delete_old_brush;
5231   int new_element = BUTTON_ELEMENT(button);
5232   int x, y;
5233
5234   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
5235     return;
5236
5237   if (mode == CB_AREA_TO_BRUSH)
5238   {
5239     int from_lx, from_ly;
5240
5241     if (from_x > to_x)
5242       swap_numbers(&from_x, &to_x);
5243
5244     if (from_y > to_y)
5245       swap_numbers(&from_y, &to_y);
5246
5247     brush_width = to_x - from_x + 1;
5248     brush_height = to_y - from_y + 1;
5249
5250     from_lx = from_x + level_xpos;
5251     from_ly = from_y + level_ypos;
5252
5253     for (y=0; y<brush_height; y++)
5254     {
5255       for (x=0; x<brush_width; x++)
5256       {
5257         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
5258
5259         if (button != 1)
5260           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
5261       }
5262     }
5263
5264     if (button != 1)
5265       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5266
5267     delete_old_brush = FALSE;
5268   }
5269   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
5270            mode == CB_BRUSH_TO_LEVEL)
5271   {
5272     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
5273     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
5274     int cursor_from_x = cursor_x - brush_width / 2;
5275     int cursor_from_y = cursor_y - brush_height / 2;
5276     int border_from_x = cursor_x, border_from_y = cursor_y;
5277     int border_to_x = cursor_x, border_to_y = cursor_y;
5278
5279     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
5280       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5281
5282     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
5283         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
5284     {
5285       delete_old_brush = FALSE;
5286       return;
5287     }
5288
5289     for (y=0; y<brush_height; y++)
5290     {
5291       for (x=0; x<brush_width; x++)
5292       {
5293         int sx = cursor_from_x + x;
5294         int sy = cursor_from_y + y;
5295         int lx = sx + level_xpos;
5296         int ly = sy + level_ypos;
5297         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
5298         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
5299                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
5300                        brush_buffer[x][y] : new_element);
5301
5302         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5303         {
5304           if (sx < border_from_x)
5305             border_from_x = sx;
5306           else if (sx > border_to_x)
5307             border_to_x = sx;
5308           if (sy < border_from_y)
5309             border_from_y = sy;
5310           else if (sy > border_to_y)
5311             border_to_y = sy;
5312
5313           DrawLineElement(sx, sy, element, change_level);
5314         }
5315       }
5316     }
5317
5318     if (mode != CB_DELETE_OLD_CURSOR)
5319       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
5320
5321     last_cursor_x = cursor_x;
5322     last_cursor_y = cursor_y;
5323     delete_old_brush = TRUE;
5324   }
5325 }
5326
5327 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
5328                             int button)
5329 {
5330   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
5331 }
5332
5333 static void CopyBrushToLevel(int x, int y, int button)
5334 {
5335   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
5336 }
5337
5338 static void CopyBrushToCursor(int x, int y)
5339 {
5340   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
5341 }
5342
5343 static void DeleteBrushFromCursor()
5344 {
5345   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5346 }
5347
5348 static void FloodFill(int from_x, int from_y, int fill_element)
5349 {
5350   int i,x,y;
5351   int old_element;
5352   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
5353   static int safety = 0;
5354
5355   /* check if starting field still has the desired content */
5356   if (Feld[from_x][from_y] == fill_element)
5357     return;
5358
5359   safety++;
5360
5361   if (safety > lev_fieldx*lev_fieldy)
5362     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
5363
5364   old_element = Feld[from_x][from_y];
5365   Feld[from_x][from_y] = fill_element;
5366
5367   for(i=0;i<4;i++)
5368   {
5369     x = from_x + check[i][0];
5370     y = from_y + check[i][1];
5371
5372     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
5373       FloodFill(x, y, fill_element);
5374   }
5375
5376   safety--;
5377 }
5378
5379 /* values for DrawLevelText() modes */
5380 #define TEXT_INIT               0
5381 #define TEXT_SETCURSOR          1
5382 #define TEXT_WRITECHAR          2
5383 #define TEXT_BACKSPACE          3
5384 #define TEXT_NEWLINE            4
5385 #define TEXT_END                5
5386 #define TEXT_QUERY_TYPING       6
5387
5388 static int DrawLevelText(int sx, int sy, char letter, int mode)
5389 {
5390   static short delete_buffer[MAX_LEV_FIELDX];
5391   static int start_sx, start_sy;
5392   static int last_sx, last_sy;
5393   static boolean typing = FALSE;
5394   int letter_element = EL_CHAR_ASCII0 + letter;
5395   int lx = 0, ly = 0;
5396
5397   /* map lower case letters to upper case and convert special characters */
5398   if (letter >= 'a' && letter <= 'z')
5399     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
5400   else if (letter == 'ä' || letter == 'Ä')
5401     letter_element = EL_CHAR_AUMLAUT;
5402   else if (letter == 'ö' || letter == 'Ö')
5403     letter_element = EL_CHAR_OUMLAUT;
5404   else if (letter == 'ü' || letter == 'Ü')
5405     letter_element = EL_CHAR_UUMLAUT;
5406   else if (letter == '^')
5407     letter_element = EL_CHAR_COPYRIGHT;
5408   else
5409     letter_element = EL_CHAR_ASCII0 + letter;
5410
5411   if (mode != TEXT_INIT)
5412   {
5413     if (!typing)
5414       return FALSE;
5415
5416     if (mode != TEXT_SETCURSOR)
5417     {
5418       sx = last_sx;
5419       sy = last_sy;
5420     }
5421
5422     lx = last_sx + level_xpos;
5423     ly = last_sy + level_ypos;
5424   }
5425
5426   switch (mode)
5427   {
5428     case TEXT_INIT:
5429       if (typing)
5430         DrawLevelText(0, 0, 0, TEXT_END);
5431
5432       typing = TRUE;
5433       start_sx = last_sx = sx;
5434       start_sy = last_sy = sy;
5435       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
5436       break;
5437
5438     case TEXT_SETCURSOR:
5439       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
5440       DrawAreaBorder(sx, sy, sx, sy);
5441       last_sx = sx;
5442       last_sy = sy;
5443       break;
5444
5445     case TEXT_WRITECHAR:
5446       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
5447       {
5448         delete_buffer[sx - start_sx] = Feld[lx][ly];
5449         Feld[lx][ly] = letter_element;
5450
5451         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
5452           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
5453         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
5454           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5455         else
5456           DrawLevelText(0, 0, 0, TEXT_END);
5457       }
5458       break;
5459
5460     case TEXT_BACKSPACE:
5461       if (sx > start_sx)
5462       {
5463         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
5464         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
5465         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
5466       }
5467       break;
5468
5469     case TEXT_NEWLINE:
5470       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
5471         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5472       else
5473         DrawLevelText(0, 0, 0, TEXT_END);
5474       break;
5475
5476     case TEXT_END:
5477       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5478       DrawMiniElement(sx, sy, Feld[lx][ly]);
5479       typing = FALSE;
5480       break;
5481
5482     case TEXT_QUERY_TYPING:
5483       break;
5484
5485     default:
5486       break;
5487   }
5488
5489   return typing;
5490 }
5491
5492 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
5493                           int element, boolean change_level)
5494 {
5495   int lx = sx + level_xpos;
5496   int ly = sy + level_ypos;
5497
5498   if (element == -1)
5499     DrawMiniElement(sx, sy, Feld[lx][ly]);
5500   else
5501     DrawAreaBorder(sx, sy, sx, sy);
5502 }
5503
5504 static void CopyLevelToUndoBuffer(int mode)
5505 {
5506   static boolean accumulated_undo = FALSE;
5507   boolean new_undo_buffer_position = TRUE;
5508   int last_border_element;
5509   int x, y;
5510
5511   switch (mode)
5512   {
5513     case UNDO_IMMEDIATE:
5514       accumulated_undo = FALSE;
5515       break;
5516
5517     case UNDO_ACCUMULATE:
5518       if (accumulated_undo)
5519         new_undo_buffer_position = FALSE;
5520       accumulated_undo = TRUE;
5521       break;
5522
5523     default:
5524       break;
5525   }
5526
5527   if (new_undo_buffer_position)
5528   {
5529     /* new position in undo buffer ring */
5530     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
5531
5532     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
5533       undo_buffer_steps++;
5534   }
5535
5536   for(x=0; x<lev_fieldx; x++)
5537     for(y=0; y<lev_fieldy; y++)
5538       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
5539
5540   /* check if drawing operation forces change of border style */
5541   last_border_element = BorderElement;
5542   SetBorderElement();
5543   if (BorderElement != last_border_element)
5544     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5545 }
5546
5547 static void RandomPlacement(int new_element)
5548 {
5549   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5550   int num_free_positions;
5551   int num_percentage;
5552   int num_elements;
5553   int x, y;
5554
5555   /* determine number of free positions for the new elements */
5556   /* (maybe this statement should be formatted a bit more readable...) */
5557   num_free_positions = 0;
5558   for (x=0; x<lev_fieldx; x++)
5559     for (y=0; y<lev_fieldy; y++)
5560       if ((free_position[x][y] =
5561            ((random_placement_background_restricted &&
5562              Feld[x][y] == random_placement_background_element) ||
5563             (!random_placement_background_restricted &&
5564              Feld[x][y] != new_element))) == TRUE)
5565         num_free_positions++;
5566
5567   /* determine number of new elements to place there */
5568   num_percentage = num_free_positions * random_placement_value / 100;
5569   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
5570                   num_percentage : random_placement_value);
5571
5572   /* if not more free positions than elements to place, fill whole level */
5573   if (num_elements >= num_free_positions)
5574   {
5575     for (x=0; x<lev_fieldx; x++)
5576       for (y=0; y<lev_fieldy; y++)
5577         Feld[x][y] = new_element;
5578
5579     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5580     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5581     return;
5582   }
5583
5584   while (num_elements > 0)
5585   {
5586     x = RND(lev_fieldx);
5587     y = RND(lev_fieldy);
5588
5589     /* don't place element at the same position twice */
5590     if (free_position[x][y])
5591     {
5592       free_position[x][y] = FALSE;
5593       Feld[x][y] = new_element;
5594       num_elements--;
5595     }
5596   }
5597
5598   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5599   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5600 }
5601
5602 void WrapLevel(int dx, int dy)
5603 {
5604   int wrap_dx = lev_fieldx - dx;
5605   int wrap_dy = lev_fieldy - dy;
5606   int x, y;
5607
5608   for(x=0; x<lev_fieldx; x++)
5609     for(y=0; y<lev_fieldy; y++)
5610       FieldBackup[x][y] = Feld[x][y];
5611
5612   for(x=0; x<lev_fieldx; x++)
5613     for(y=0; y<lev_fieldy; y++)
5614       Feld[x][y] =
5615         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
5616
5617   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5618   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
5619 }
5620
5621 static void HandleDrawingAreas(struct GadgetInfo *gi)
5622 {
5623   static boolean started_inside_drawing_area = FALSE;
5624   int id = gi->custom_id;
5625   boolean button_press_event;
5626   boolean button_release_event;
5627   boolean inside_drawing_area = !gi->event.off_borders;
5628   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
5629   int actual_drawing_function;
5630   int button = gi->event.button;
5631   int new_element = BUTTON_ELEMENT(button);
5632   int sx = gi->event.x, sy = gi->event.y;
5633   int min_sx = 0, min_sy = 0;
5634   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
5635   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
5636   int lx = 0, ly = 0;
5637   int min_lx = 0, min_ly = 0;
5638   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
5639   int x, y;
5640
5641   /* handle info callback for each invocation of action callback */
5642   gi->callback_info(gi);
5643
5644   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
5645   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
5646
5647   /* make sure to stay inside drawing area boundaries */
5648   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
5649   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
5650
5651   if (draw_level)
5652   {
5653     /* get positions inside level field */
5654     lx = sx + level_xpos;
5655     ly = sy + level_ypos;
5656
5657     if (!IN_LEV_FIELD(lx, ly))
5658       inside_drawing_area = FALSE;
5659
5660     /* make sure to stay inside level field boundaries */
5661     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5662     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5663
5664     /* correct drawing area positions accordingly */
5665     sx = lx - level_xpos;
5666     sy = ly - level_ypos;
5667   }
5668
5669   if (button_press_event)
5670     started_inside_drawing_area = inside_drawing_area;
5671
5672   if (!started_inside_drawing_area)
5673     return;
5674
5675   if (!button && !button_release_event)
5676     return;
5677
5678   /* automatically switch to 'single item' drawing mode, if needed */
5679   actual_drawing_function =
5680     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
5681      drawing_function : GADGET_ID_SINGLE_ITEMS);
5682
5683   /* clicking into drawing area with pressed Control key picks element */
5684   if (GetKeyModState() & KMOD_Control)
5685     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
5686
5687   switch (actual_drawing_function)
5688   {
5689     case GADGET_ID_SINGLE_ITEMS:
5690       if (draw_level)
5691       {
5692         if (button_release_event)
5693         {
5694           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5695
5696           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
5697               !inside_drawing_area)
5698             DeleteBrushFromCursor();
5699         }
5700
5701         if (!button)
5702           break;
5703
5704         if (draw_with_brush)
5705         {
5706           if (!button_release_event)
5707             CopyBrushToLevel(sx, sy, button);
5708         }
5709         else if (new_element != Feld[lx][ly])
5710         {
5711           if (new_element == EL_PLAYER_1)
5712           {
5713             /* remove player at old position */
5714             for(y=0; y<lev_fieldy; y++)
5715             {
5716               for(x=0; x<lev_fieldx; x++)
5717               {
5718                 if (Feld[x][y] == EL_PLAYER_1)
5719                 {
5720                   Feld[x][y] = EL_EMPTY;
5721                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
5722                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
5723                     DrawMiniElement(x - level_xpos, y - level_ypos,
5724                                     EL_EMPTY);
5725                 }
5726               }
5727             }
5728           }
5729
5730           Feld[lx][ly] = new_element;
5731           DrawMiniElement(sx, sy, new_element);
5732         }
5733       }
5734       else
5735       {
5736         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
5737           DrawMiniGraphicExt(drawto,
5738                              gi->x + sx * MINI_TILEX,
5739                              gi->y + sy * MINI_TILEY,
5740                              el2edimg(new_element));
5741         else
5742           DrawGraphicExt(drawto,
5743                          gi->x + sx * TILEX,
5744                          gi->y + sy * TILEY,
5745                          el2img(new_element), 0);
5746
5747         if (id == GADGET_ID_AMOEBA_CONTENT)
5748           level.amoeba_content = new_element;
5749         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5750         {
5751           new_element = GFX_ELEMENT(new_element);
5752           custom_element.gfx_element = new_element;
5753
5754           CopyCustomElementPropertiesToGame(properties_element);
5755
5756           UpdateCustomElementGraphicGadgets();
5757
5758           FrameCounter = 0;     /* restart animation frame counter */
5759         }
5760         else if (id == GADGET_ID_CUSTOM_CONTENT)
5761         {
5762           custom_element.content[sx][sy] = new_element;
5763
5764           CopyCustomElementPropertiesToGame(properties_element);
5765         }
5766         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
5767         {
5768           custom_element.change.target_element = new_element;
5769
5770           CopyCustomElementPropertiesToGame(properties_element);
5771         }
5772         else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
5773         {
5774           custom_element.change.content[sx][sy] = new_element;
5775
5776           CopyCustomElementPropertiesToGame(properties_element);
5777         }
5778         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
5779         {
5780           custom_element.change.trigger_element = new_element;
5781
5782           CopyCustomElementPropertiesToGame(properties_element);
5783         }
5784         else if (id == GADGET_ID_RANDOM_BACKGROUND)
5785           random_placement_background_element = new_element;
5786         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5787                  id <= GADGET_ID_ELEMENT_CONTENT_7)
5788           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
5789             new_element;
5790       }
5791       break;
5792
5793     case GADGET_ID_CONNECTED_ITEMS:
5794       {
5795         static int last_sx = -1;
5796         static int last_sy = -1;
5797
5798         if (button_release_event)
5799           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5800
5801         if (button)
5802         {
5803           if (!button_press_event)
5804             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
5805
5806           last_sx = sx;
5807           last_sy = sy;
5808         }
5809       }
5810       break;
5811
5812     case GADGET_ID_LINE:
5813     case GADGET_ID_ARC:
5814     case GADGET_ID_RECTANGLE:
5815     case GADGET_ID_FILLED_BOX:
5816     case GADGET_ID_GRAB_BRUSH:
5817     case GADGET_ID_TEXT:
5818       {
5819         static int last_sx = -1;
5820         static int last_sy = -1;
5821         static int start_sx = -1;
5822         static int start_sy = -1;
5823         void (*draw_func)(int, int, int, int, int, boolean);
5824
5825         if (drawing_function == GADGET_ID_LINE)
5826           draw_func = DrawLine;
5827         else if (drawing_function == GADGET_ID_ARC)
5828           draw_func = DrawArc;
5829         else if (drawing_function == GADGET_ID_RECTANGLE)
5830           draw_func = DrawBox;
5831         else if (drawing_function == GADGET_ID_FILLED_BOX)
5832           draw_func = DrawFilledBox;
5833         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
5834           draw_func = SelectArea;
5835         else /* (drawing_function == GADGET_ID_TEXT) */
5836           draw_func = SetTextCursor;
5837
5838         if (button_press_event)
5839         {
5840           draw_func(sx, sy, sx, sy, new_element, FALSE);
5841           start_sx = last_sx = sx;
5842           start_sy = last_sy = sy;
5843
5844           if (drawing_function == GADGET_ID_TEXT)
5845             DrawLevelText(0, 0, 0, TEXT_END);
5846         }
5847         else if (button_release_event)
5848         {
5849           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
5850           if (drawing_function == GADGET_ID_GRAB_BRUSH)
5851           {
5852             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
5853             CopyBrushToCursor(sx, sy);
5854             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
5855                           MB_LEFTBUTTON);
5856             draw_with_brush = TRUE;
5857           }
5858           else if (drawing_function == GADGET_ID_TEXT)
5859             DrawLevelText(sx, sy, 0, TEXT_INIT);
5860           else
5861             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5862         }
5863         else if (last_sx != sx || last_sy != sy)
5864         {
5865           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
5866           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
5867           last_sx = sx;
5868           last_sy = sy;
5869         }
5870       }
5871       break;
5872
5873     case GADGET_ID_FLOOD_FILL:
5874       if (button_press_event && Feld[lx][ly] != new_element)
5875       {
5876         FloodFill(lx, ly, new_element);
5877         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5878         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5879       }
5880       break;
5881
5882     case GADGET_ID_PICK_ELEMENT:
5883       if (button_release_event)
5884         ClickOnGadget(level_editor_gadget[last_drawing_function],
5885                       MB_LEFTBUTTON);
5886       else if (draw_level)
5887         PickDrawingElement(button, Feld[lx][ly]);
5888       else if (id == GADGET_ID_AMOEBA_CONTENT)
5889         PickDrawingElement(button, level.amoeba_content);
5890       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5891         PickDrawingElement(button, custom_element.gfx_element);
5892       else if (id == GADGET_ID_CUSTOM_CONTENT)
5893         PickDrawingElement(button, custom_element.content[sx][sy]);
5894       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
5895         PickDrawingElement(button, custom_element.change.target_element);
5896       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
5897         PickDrawingElement(button, custom_element.change.content[sx][sy]);
5898       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
5899         PickDrawingElement(button, custom_element.change.trigger_element);
5900       else if (id == GADGET_ID_RANDOM_BACKGROUND)
5901         PickDrawingElement(button, random_placement_background_element);
5902       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5903                id <= GADGET_ID_ELEMENT_CONTENT_7)
5904       {
5905         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
5906
5907         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
5908       }
5909
5910       break;
5911
5912     default:
5913       break;
5914   }
5915 }
5916
5917 static void HandleCounterButtons(struct GadgetInfo *gi)
5918 {
5919   int gadget_id = gi->custom_id;
5920   int counter_id = gi->custom_type_id;
5921   int button = gi->event.button;
5922   int *counter_value = counterbutton_info[counter_id].value;
5923   int step = BUTTON_STEPSIZE(button) *
5924     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
5925
5926   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
5927   {
5928     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
5929     boolean released = (gi->event.type == GD_EVENT_RELEASED);
5930     boolean level_changed = LevelChanged();
5931
5932     if ((level_changed && pressed) || (!level_changed && released))
5933       return;
5934
5935     if (level_changed && !Request("Level has changed! Discard changes ?",
5936                                   REQ_ASK))
5937     {
5938       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5939         ModifyEditorCounter(counter_id, *counter_value);
5940       return;
5941     }
5942   }
5943
5944   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5945     *counter_value = gi->text.number_value;
5946   else
5947     ModifyEditorCounter(counter_id, *counter_value + step);
5948
5949   switch (counter_id)
5950   {
5951     case ED_COUNTER_ID_ELEMENT_CONTENT:
5952       DrawElementContentAreas();
5953       break;
5954
5955     case ED_COUNTER_ID_LEVEL_XSIZE:
5956     case ED_COUNTER_ID_LEVEL_YSIZE:
5957       lev_fieldx = level.fieldx;
5958       lev_fieldy = level.fieldy;
5959       break;
5960
5961     case ED_COUNTER_ID_SELECT_LEVEL:
5962       LoadLevel(level_nr);
5963       TapeErase();
5964       ResetUndoBuffer();
5965       DrawEditModeWindow();
5966       break;
5967
5968     default:
5969       break;
5970   }
5971
5972   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
5973        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
5974       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
5975        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
5976     CopyCustomElementPropertiesToGame(properties_element);
5977 }
5978
5979 static void HandleTextInputGadgets(struct GadgetInfo *gi)
5980 {
5981   int type_id = gi->custom_type_id;
5982
5983   strcpy(textinput_info[type_id].value, gi->text.value);
5984
5985   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
5986   {
5987     CopyCustomElementPropertiesToGame(properties_element);
5988
5989     ModifyEditorElementList();  /* update changed button info text */
5990   }
5991 }
5992
5993 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
5994 {
5995   int type_id = gi->custom_type_id;
5996
5997   *selectbox_info[type_id].value =
5998     selectbox_info[type_id].options[gi->selectbox.index].value;
5999
6000   if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
6001        type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
6002       (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
6003        type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
6004     CopyCustomElementPropertiesToGame(properties_element);
6005 }
6006
6007 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
6008 {
6009   int type_id = gi->custom_type_id;
6010
6011   if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
6012       type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
6013   {
6014     edit_mode_properties = gi->custom_type_id;
6015
6016     DrawPropertiesWindow();
6017   }
6018   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
6019   {
6020     boolean new_template = (!LevelFileExists(-1));
6021
6022     if (new_template ||
6023         Request("Save this tem- plate and kill the old ?", REQ_ASK))
6024       SaveLevelTemplate();
6025
6026     if (new_template)
6027       Request("Tem- plate saved !", REQ_CONFIRM);
6028   }
6029 }
6030
6031 static void HandleRadiobuttons(struct GadgetInfo *gi)
6032 {
6033   *radiobutton_info[gi->custom_type_id].value =
6034     radiobutton_info[gi->custom_type_id].checked_value;
6035 }
6036
6037 static void HandleCheckbuttons(struct GadgetInfo *gi)
6038 {
6039   int type_id = gi->custom_type_id;
6040
6041   *checkbutton_info[type_id].value ^= TRUE;
6042
6043   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
6044        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
6045       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
6046        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST &&
6047        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
6048   {
6049     CopyCustomElementPropertiesToGame(properties_element);
6050   }
6051
6052   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
6053   {
6054     UpdateCustomElementGraphicGadgets();
6055   }
6056   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
6057   {
6058     if (level.use_custom_template && !LevelFileExists(-1))
6059     {
6060       Request("No level tem- plate found !", REQ_CONFIRM);
6061
6062       level.use_custom_template = FALSE;
6063       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
6064
6065       return;
6066     }
6067
6068     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
6069
6070     DrawEditModeWindow();
6071   }
6072 }
6073
6074 static void HandleControlButtons(struct GadgetInfo *gi)
6075 {
6076   int id = gi->custom_id;
6077   int button = gi->event.button;
6078   int step = BUTTON_STEPSIZE(button);
6079   int new_element = BUTTON_ELEMENT(button);
6080   int x, y;
6081
6082   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
6083     DrawLevelText(0, 0, 0, TEXT_END);
6084
6085   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
6086       id != GADGET_ID_PICK_ELEMENT && edit_mode != ED_MODE_DRAWING &&
6087       drawing_function != GADGET_ID_PICK_ELEMENT &&
6088       !(GetKeyModState() & KMOD_Control))
6089   {
6090     DrawDrawingWindow();
6091     edit_mode = ED_MODE_DRAWING;
6092   }
6093
6094   switch (id)
6095   {
6096     case GADGET_ID_SCROLL_LEFT:
6097       if (level_xpos >= 0)
6098       {
6099         if (lev_fieldx < ed_fieldx - 2)
6100           break;
6101
6102         level_xpos -= step;
6103         if (level_xpos < -1)
6104           level_xpos = -1;
6105         if (button == 1)
6106           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
6107         else
6108           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6109
6110         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6111                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6112       }
6113       break;
6114
6115     case GADGET_ID_SCROLL_RIGHT:
6116       if (level_xpos <= lev_fieldx - ed_fieldx)
6117       {
6118         if (lev_fieldx < ed_fieldx - 2)
6119           break;
6120
6121         level_xpos += step;
6122         if (level_xpos > lev_fieldx - ed_fieldx + 1)
6123           level_xpos = lev_fieldx - ed_fieldx + 1;
6124         if (button == 1)
6125           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
6126         else
6127           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6128
6129         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6130                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6131       }
6132       break;
6133
6134     case GADGET_ID_SCROLL_UP:
6135       if (level_ypos >= 0)
6136       {
6137         if (lev_fieldy < ed_fieldy - 2)
6138           break;
6139
6140         level_ypos -= step;
6141         if (level_ypos < -1)
6142           level_ypos = -1;
6143         if (button == 1)
6144           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
6145         else
6146           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6147
6148         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6149                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6150       }
6151       break;
6152
6153     case GADGET_ID_SCROLL_DOWN:
6154       if (level_ypos <= lev_fieldy - ed_fieldy)
6155       {
6156         if (lev_fieldy < ed_fieldy - 2)
6157           break;
6158
6159         level_ypos += step;
6160         if (level_ypos > lev_fieldy - ed_fieldy + 1)
6161           level_ypos = lev_fieldy - ed_fieldy + 1;
6162         if (button == 1)
6163           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
6164         else
6165           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6166
6167         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6168                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6169       }
6170       break;
6171
6172     case GADGET_ID_SCROLL_HORIZONTAL:
6173       level_xpos = gi->event.item_position - 1;
6174       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6175       break;
6176
6177     case GADGET_ID_SCROLL_VERTICAL:
6178       level_ypos = gi->event.item_position - 1;
6179       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6180       break;
6181
6182     case GADGET_ID_SCROLL_LIST_UP:
6183     case GADGET_ID_SCROLL_LIST_DOWN:
6184     case GADGET_ID_SCROLL_LIST_VERTICAL:
6185       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
6186         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
6187       else
6188       {
6189         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
6190         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
6191
6192         if (element_shift < 0)
6193           element_shift = 0;
6194         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
6195           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
6196
6197         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
6198                      GDI_SCROLLBAR_ITEM_POSITION,
6199                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
6200       }
6201
6202       ModifyEditorElementList();
6203
6204       break;
6205
6206     case GADGET_ID_WRAP_LEFT:
6207       WrapLevel(-step, 0);
6208       break;
6209
6210     case GADGET_ID_WRAP_RIGHT:
6211       WrapLevel(step, 0);
6212       break;
6213
6214     case GADGET_ID_WRAP_UP:
6215       WrapLevel(0, -step);
6216       break;
6217
6218     case GADGET_ID_WRAP_DOWN:
6219       WrapLevel(0, step);
6220       break;
6221
6222     case GADGET_ID_SINGLE_ITEMS:
6223     case GADGET_ID_CONNECTED_ITEMS:
6224     case GADGET_ID_LINE:
6225     case GADGET_ID_ARC:
6226     case GADGET_ID_TEXT:
6227     case GADGET_ID_RECTANGLE:
6228     case GADGET_ID_FILLED_BOX:
6229     case GADGET_ID_FLOOD_FILL:
6230     case GADGET_ID_GRAB_BRUSH:
6231     case GADGET_ID_PICK_ELEMENT:
6232       if (drawing_function != GADGET_ID_PICK_ELEMENT)
6233         last_drawing_function = drawing_function;
6234       drawing_function = id;
6235       draw_with_brush = FALSE;
6236       break;
6237
6238     case GADGET_ID_RANDOM_PLACEMENT:
6239       RandomPlacement(new_element);
6240       break;
6241
6242     case GADGET_ID_PROPERTIES:
6243       if (edit_mode != ED_MODE_PROPERTIES)
6244       {
6245         properties_element = new_element;
6246         DrawPropertiesWindow();
6247         edit_mode = ED_MODE_PROPERTIES;
6248       }
6249       else
6250       {
6251         DrawDrawingWindow();
6252         edit_mode = ED_MODE_DRAWING;
6253       }
6254       break;
6255
6256     case GADGET_ID_UNDO:
6257       if (undo_buffer_steps == 0)
6258       {
6259         Request("Undo buffer empty !", REQ_CONFIRM);
6260         break;
6261       }
6262
6263       if (edit_mode != ED_MODE_DRAWING)
6264       {
6265         DrawDrawingWindow();
6266         edit_mode = ED_MODE_DRAWING;
6267       }
6268
6269       undo_buffer_position =
6270         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
6271       undo_buffer_steps--;
6272
6273       for(x=0; x<lev_fieldx; x++)
6274         for(y=0; y<lev_fieldy; y++)
6275           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
6276       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
6277       break;
6278
6279     case GADGET_ID_INFO:
6280       if (edit_mode != ED_MODE_INFO)
6281       {
6282         DrawLevelInfoWindow();
6283         edit_mode = ED_MODE_INFO;
6284       }
6285       else
6286       {
6287         DrawDrawingWindow();
6288         edit_mode = ED_MODE_DRAWING;
6289       }
6290       break;
6291
6292     case GADGET_ID_CLEAR:
6293       if (edit_mode != ED_MODE_DRAWING)
6294       {
6295         DrawDrawingWindow();
6296         edit_mode = ED_MODE_DRAWING;
6297       }
6298
6299       for(x=0; x<MAX_LEV_FIELDX; x++)
6300         for(y=0; y<MAX_LEV_FIELDY; y++)
6301           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
6302       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
6303
6304       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6305       break;
6306
6307     case GADGET_ID_SAVE:
6308       if (leveldir_current->readonly)
6309       {
6310         Request("This level is read only !", REQ_CONFIRM);
6311         break;
6312       }
6313
6314       if (!LevelContainsPlayer)
6315         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
6316       else
6317       {
6318         boolean new_level = (!LevelFileExists(level_nr));
6319
6320         if (new_level ||
6321             Request("Save this level and kill the old ?", REQ_ASK))
6322         {
6323           CopyPlayfield(Feld, level.field);
6324
6325           SaveLevel(level_nr);
6326         }
6327
6328         if (new_level)
6329           Request("Level saved !", REQ_CONFIRM);
6330       }
6331       break;
6332
6333     case GADGET_ID_TEST:
6334       if (!LevelContainsPlayer)
6335         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
6336       else
6337       {
6338         if (LevelChanged())
6339           level.game_version = GAME_VERSION_ACTUAL;
6340
6341         CopyPlayfield(level.field, FieldBackup);
6342         CopyPlayfield(Feld, level.field);
6343
6344         UnmapLevelEditorGadgets();
6345         UndrawSpecialEditorDoor();
6346
6347         CloseDoor(DOOR_CLOSE_ALL);
6348
6349         DrawCompleteVideoDisplay();
6350
6351         if (setup.autorecord)
6352           TapeStartRecording();
6353
6354         level_editor_test_game = TRUE;
6355         game_status = GAME_MODE_PLAYING;
6356
6357         InitGame();
6358       }
6359       break;
6360
6361     case GADGET_ID_EXIT:
6362       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
6363       break;
6364
6365     default:
6366       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
6367           id <= GADGET_ID_ELEMENTLIST_LAST)
6368       {
6369         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
6370         int new_element = editor_elements[element_position + element_shift];
6371
6372         PickDrawingElement(button, new_element);
6373
6374         if (!stick_element_properties_window &&
6375             drawing_function != GADGET_ID_PICK_ELEMENT &&
6376             !(GetKeyModState() & KMOD_Control))
6377         {
6378           properties_element = new_element;
6379           if (edit_mode == ED_MODE_PROPERTIES)
6380             DrawPropertiesWindow();
6381         }
6382
6383         if (drawing_function == GADGET_ID_PICK_ELEMENT)
6384           ClickOnGadget(level_editor_gadget[last_drawing_function],
6385                         MB_LEFTBUTTON);
6386       }
6387 #ifdef DEBUG
6388       else if (gi->event.type == GD_EVENT_PRESSED)
6389         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
6390       else if (gi->event.type == GD_EVENT_RELEASED)
6391         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
6392       else if (gi->event.type == GD_EVENT_MOVING)
6393         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
6394       else
6395         printf("default: HandleControlButtons: ? (id == %d)\n", id);
6396 #endif
6397       break;
6398   }
6399 }
6400
6401 void HandleLevelEditorKeyInput(Key key)
6402 {
6403   char letter = getCharFromKey(key);
6404   int button = MB_LEFTBUTTON;
6405
6406   if (drawing_function == GADGET_ID_TEXT &&
6407       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
6408   {
6409     if (letter)
6410       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
6411     else if (key == KSYM_Delete || key == KSYM_BackSpace)
6412       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
6413     else if (key == KSYM_Return)
6414       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
6415     else if (key == KSYM_Escape)
6416       DrawLevelText(0, 0, 0, TEXT_END);
6417   }
6418   else if (button_status == MB_RELEASED)
6419   {
6420     int i, id = GADGET_ID_NONE;
6421
6422     switch (key)
6423     {
6424       case KSYM_Left:
6425         id = GADGET_ID_SCROLL_LEFT;
6426         break;
6427       case KSYM_Right:
6428         id = GADGET_ID_SCROLL_RIGHT;
6429         break;
6430       case KSYM_Up:
6431         id = GADGET_ID_SCROLL_UP;
6432         break;
6433       case KSYM_Down:
6434         id = GADGET_ID_SCROLL_DOWN;
6435         break;
6436       case KSYM_Page_Up:
6437         id = GADGET_ID_SCROLL_LIST_UP;
6438         button = MB_RIGHTBUTTON;
6439         break;
6440       case KSYM_Page_Down:
6441         id = GADGET_ID_SCROLL_LIST_DOWN;
6442         button = MB_RIGHTBUTTON;
6443         break;
6444
6445       case KSYM_Escape:
6446         if (edit_mode == ED_MODE_DRAWING)
6447         {
6448           RequestExitLevelEditor(setup.ask_on_escape);
6449         }
6450         else
6451         {
6452           DrawDrawingWindow();
6453           edit_mode = ED_MODE_DRAWING;
6454         }
6455         break;
6456
6457       default:
6458         break;
6459     }
6460
6461     if (id != GADGET_ID_NONE)
6462       ClickOnGadget(level_editor_gadget[id], button);
6463     else if (letter == '.')
6464       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
6465     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
6466       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
6467     else
6468       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
6469         if (letter && letter == control_info[i].shortcut)
6470           if (!anyTextGadgetActive())
6471             ClickOnGadget(level_editor_gadget[i], button);
6472   }
6473 }
6474
6475 void HandleLevelEditorIdle()
6476 {
6477   static unsigned long action_delay = 0;
6478   unsigned long action_delay_value = GameFrameDelay;
6479   int xpos = 1, ypos = 2;
6480
6481   if (edit_mode != ED_MODE_PROPERTIES)
6482     return;
6483
6484   if (!DelayReached(&action_delay, action_delay_value))
6485     return;
6486
6487   DrawGraphicAnimationExt(drawto,
6488                           SX + xpos * TILEX,
6489                           SY + ypos * TILEY + MINI_TILEY / 2,
6490                           el2img(properties_element), -1, NO_MASKING);
6491
6492   MarkTileDirty(xpos, ypos);
6493   MarkTileDirty(xpos, ypos + 1);
6494
6495   FrameCounter++;       /* increase animation frame counter */
6496 }
6497
6498 void ClearEditorGadgetInfoText()
6499 {
6500   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
6501 }
6502
6503 void HandleEditorGadgetInfoText(void *ptr)
6504 {
6505   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
6506   char infotext[MAX_OUTPUT_LINESIZE + 1];
6507   char shortcut[MAX_OUTPUT_LINESIZE + 1];
6508   int max_infotext_len = getMaxInfoTextLength();
6509
6510   if (game_status != GAME_MODE_EDITOR)
6511     return;
6512
6513   ClearEditorGadgetInfoText();
6514
6515   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6516     return;
6517
6518   /* misuse this function to delete brush cursor, if needed */
6519   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
6520     DeleteBrushFromCursor();
6521
6522   if (gi == NULL || gi->info_text == NULL)
6523     return;
6524
6525   strncpy(infotext, gi->info_text, max_infotext_len);
6526   infotext[max_infotext_len] = '\0';
6527
6528   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
6529   {
6530     int key = control_info[gi->custom_id].shortcut;
6531
6532     if (key)
6533     {
6534       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
6535         sprintf(shortcut, " ('.' or '%c')", key);
6536       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
6537         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
6538       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
6539         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
6540       else                                              /* normal case */
6541         sprintf(shortcut, " ('%s%c')",
6542                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
6543
6544       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
6545         strcat(infotext, shortcut);
6546     }
6547   }
6548
6549   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
6550 }
6551
6552 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
6553 {
6554   static int start_lx, start_ly;
6555   char *infotext;
6556   int id = gi->custom_id;
6557   int sx = gi->event.x;
6558   int sy = gi->event.y;
6559   int lx = sx + level_xpos;
6560   int ly = sy + level_ypos;
6561   int min_sx = 0, min_sy = 0;
6562   int max_sx = gi->drawing.area_xsize - 1;
6563   int max_sy = gi->drawing.area_ysize - 1;
6564   int actual_drawing_function = drawing_function;
6565
6566   /* pressed Control key: simulate picking element */
6567   if (GetKeyModState() & KMOD_Control)
6568     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
6569
6570   ClearEditorGadgetInfoText();
6571
6572   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6573     return;
6574
6575   /* make sure to stay inside drawing area boundaries */
6576   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
6577   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
6578
6579   if (id == GADGET_ID_DRAWING_LEVEL)
6580   {
6581     if (button_status)
6582     {
6583       int min_lx = 0, min_ly = 0;
6584       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
6585
6586       /* get positions inside level field */
6587       lx = sx + level_xpos;
6588       ly = sy + level_ypos;
6589
6590       /* make sure to stay inside level field boundaries */
6591       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
6592       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
6593
6594       /* correct drawing area positions accordingly */
6595       sx = lx - level_xpos;
6596       sy = ly - level_ypos;
6597     }
6598
6599     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
6600     {
6601       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
6602       {
6603         if (gi->event.type == GD_EVENT_PRESSED)
6604         {
6605           start_lx = lx;
6606           start_ly = ly;
6607         }
6608
6609         switch (actual_drawing_function)
6610         {
6611           case GADGET_ID_SINGLE_ITEMS:
6612             infotext = "Drawing single items";
6613             break;
6614           case GADGET_ID_CONNECTED_ITEMS:
6615             infotext = "Drawing connected items";
6616             break;
6617           case GADGET_ID_LINE:
6618             infotext = "Drawing line";
6619             break;
6620           case GADGET_ID_ARC:
6621             infotext = "Drawing arc";
6622             break;
6623           case GADGET_ID_TEXT:
6624             infotext = "Setting text cursor";
6625             break;
6626           case GADGET_ID_RECTANGLE:
6627             infotext = "Drawing rectangle";
6628             break;
6629           case GADGET_ID_FILLED_BOX:
6630             infotext = "Drawing filled box";
6631             break;
6632           case GADGET_ID_FLOOD_FILL:
6633             infotext = "Flood fill";
6634             break;
6635           case GADGET_ID_GRAB_BRUSH:
6636             infotext = "Grabbing brush";
6637             break;
6638           case GADGET_ID_PICK_ELEMENT:
6639             infotext = "Picking element";
6640             break;
6641
6642           default:
6643             infotext = "Drawing position";
6644             break;
6645         }
6646
6647         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6648           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6649                     "%s: %d, %d", infotext, lx, ly);
6650         else
6651           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6652                     "%s: %d, %d", infotext,
6653                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
6654       }
6655       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6656         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6657                   "%s", getElementInfoText(Feld[lx][ly]));
6658       else
6659         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6660                   "Level position: %d, %d", lx, ly);
6661     }
6662
6663     /* misuse this function to draw brush cursor, if needed */
6664     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
6665     {
6666       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6667         CopyBrushToCursor(sx, sy);
6668       else
6669         DeleteBrushFromCursor();
6670     }
6671   }
6672   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6673   {
6674     if (id == GADGET_ID_AMOEBA_CONTENT)
6675       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6676                 getElementInfoText(level.amoeba_content));
6677     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6678       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6679                 getElementInfoText(custom_element.gfx_element));
6680     else if (id == GADGET_ID_CUSTOM_CONTENT)
6681       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6682                 getElementInfoText(custom_element.content[sx][sy]));
6683     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6684       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6685                 getElementInfoText(custom_element.change.target_element));
6686     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6687       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6688                 getElementInfoText(custom_element.change.content[sx][sy]));
6689     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6690       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6691                 getElementInfoText(custom_element.change.trigger_element));
6692     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6693       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6694                 getElementInfoText(random_placement_background_element));
6695     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6696              id <= GADGET_ID_ELEMENT_CONTENT_7)
6697     {
6698       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
6699
6700       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6701                 getElementInfoText(level.yamyam_content[i][sx][sy]));
6702     }
6703   }
6704   else
6705   {
6706     if (id == GADGET_ID_AMOEBA_CONTENT)
6707       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6708                 "Amoeba content");
6709     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6710       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6711                 "Custom graphic element");
6712     else if (id == GADGET_ID_CUSTOM_CONTENT)
6713       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6714                 "Custom element content position: %d, %d", sx, sy);
6715     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6716       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6717                 "New element after change");
6718     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6719       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6720                 "New extended elements after change");
6721     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6722       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6723                 "Other element triggering change");
6724     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6725       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6726                 "Random placement background");
6727     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6728              id <= GADGET_ID_ELEMENT_CONTENT_7)
6729       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6730                 "Content area %d position: %d, %d",
6731                 id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
6732   }
6733 }
6734
6735 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
6736 {
6737   if (!ask_if_level_has_changed ||
6738       !LevelChanged() ||
6739       Request("Level has changed! Exit without saving ?",
6740               REQ_ASK | REQ_STAY_OPEN))
6741   {
6742     CloseDoor(DOOR_CLOSE_1);
6743     /*
6744     CloseDoor(DOOR_CLOSE_ALL);
6745     */
6746     game_status = GAME_MODE_MAIN;
6747     DrawMainMenu();
6748   }
6749   else
6750   {
6751     CloseDoor(DOOR_CLOSE_1);
6752     BlitBitmap(bitmap_db_door, bitmap_db_door,
6753                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
6754                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
6755     OpenDoor(DOOR_OPEN_1);
6756   }
6757 }