src/editor.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2002 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * editor.c                                                 *
  12 ***********************************************************/
  13
  14 #include <math.h>
  15
  16 #include "libgame/libgame.h"
  17
  18 #include "editor.h"
  19 #include "screens.h"
  20 #include "tools.h"
  21 #include "files.h"
  22 #include "game.h"
  23 #include "init.h"
  24 #include "tape.h"
  25
  26
  27 /*
  28   -----------------------------------------------------------------------------
  29   screen and artwork graphic pixel position definitions
  30   -----------------------------------------------------------------------------
  31 */
  32
  33 /* positions in the level editor */
  34 #define ED_WIN_MB_LEFT_XPOS             6
  35 #define ED_WIN_MB_LEFT_YPOS             258
  36 #define ED_WIN_MB_MIDDLE_XPOS           42
  37 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  38 #define ED_WIN_MB_RIGHT_XPOS            78
  39 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  40
  41 /* values for the control window */
  42 #define ED_CTRL_BUTTONS_GFX_YPOS        236
  43 #define ED_CTRL_BUTTONS_ALT_GFX_YPOS    142
  44
  45 #define ED_CTRL1_BUTTONS_HORIZ          4
  46 #define ED_CTRL1_BUTTONS_VERT           4
  47 #define ED_CTRL1_BUTTON_XSIZE           22
  48 #define ED_CTRL1_BUTTON_YSIZE           22
  49 #define ED_CTRL1_BUTTONS_XPOS           6
  50 #define ED_CTRL1_BUTTONS_YPOS           6
  51 #define ED_CTRL2_BUTTONS_HORIZ          3
  52 #define ED_CTRL2_BUTTONS_VERT           2
  53 #define ED_CTRL2_BUTTON_XSIZE           30
  54 #define ED_CTRL2_BUTTON_YSIZE           20
  55 #define ED_CTRL2_BUTTONS_XPOS           5
  56 #define ED_CTRL2_BUTTONS_YPOS           99
  57 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  58 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  59 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
  60
  61 /* values for the element list */
  62 #define ED_ELEMENTLIST_XPOS             5
  63 #define ED_ELEMENTLIST_YPOS             30
  64 #define ED_ELEMENTLIST_XSIZE            20
  65 #define ED_ELEMENTLIST_YSIZE            20
  66 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  67 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  68 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  69                                          ED_ELEMENTLIST_BUTTONS_VERT)
  70
  71 /* standard distances */
  72 #define ED_BORDER_SIZE                  3
  73 #define ED_BORDER_TEXT_XSIZE            5
  74 #define ED_BORDER_AREA_YSIZE            1
  75
  76 #define ED_GADGET_DISTANCE              2
  77 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
  78 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE + \
  79                                          MINI_TILEX / 2)
  80
  81 /* values for the setting windows */
  82 #define ED_SETTINGS_XSTART              (3 * MINI_TILEX / 2)
  83 #define ED_SETTINGS_YSTART              (MINI_TILEY * 10)
  84
  85 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE + \
  86                                          2 * ED_GADGET_DISTANCE)
  87
  88 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
  89 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
  90
  91 #define ED_SETTINGS_XPOS(n)             (ED_SETTINGS_XSTART + \
  92                                          n * ED_SETTINGS_XOFFSET)
  93 #define ED_SETTINGS_YPOS(n)             (ED_SETTINGS_YSTART + \
  94                                          n * ED_SETTINGS_YOFFSET)
  95
  96 #define ED_SETTINGS1_YPOS               MINI_TILEY
  97 #define ED_SETTINGS2_XPOS               MINI_TILEX
  98 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
  99
 100 /* values for counter gadgets */
 101 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 102 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 103 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
 104                                          n * ED_COUNTER_YDISTANCE)
 105 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 106                                          n * ED_COUNTER_YDISTANCE - 2)
 107
 108 /* values for element content drawing areas */
 109 /* amoeba content */
 110 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 111 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 112
 113 /* yamyam content */
 114 #define ED_AREA_YAMYAM_CONTENT_XPOS(n)  (ED_AREA_ELEM_CONTENT_XPOS + \
 115                                          5 * (n % 4) * MINI_TILEX)
 116 #define ED_AREA_YAMYAM_CONTENT_YPOS(n)  (ED_AREA_ELEM_CONTENT_YPOS + \
 117                                          6 * (n / 4) * MINI_TILEY)
 118
 119 /* custom change target */
 120 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(2) + \
 121                                          ED_GADGET_DISTANCE)
 122 /* optional custom graphic */
 123 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(1) + \
 124                                          ED_GADGET_DISTANCE)
 125 /* custom element content */
 126 #define ED_AREA_ELEM_CONTENT4_XPOS      (29 * MINI_TILEX)
 127 #define ED_AREA_ELEM_CONTENT4_YPOS      (ED_SETTINGS_YPOS(12) + \
 128                                          ED_GADGET_DISTANCE - MINI_TILEY)
 129 /* custom change trigger element */
 130 #define ED_AREA_ELEM_CONTENT5_YPOS      (ED_SETTINGS_YPOS(6) + \
 131                                          ED_GADGET_DISTANCE)
 132 /* extended custom change target */
 133 #define ED_AREA_ELEM_CONTENT6_XPOS      (29 * MINI_TILEX)
 134 #define ED_AREA_ELEM_CONTENT6_YPOS      (ED_SETTINGS_YPOS(9) + \
 135                                          ED_GADGET_DISTANCE - MINI_TILEY)
 136
 137 /* values for random placement background drawing area */
 138 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 139
 140 /* values for scrolling gadgets for drawing area */
 141 #define ED_SCROLLBUTTON_XPOS            24
 142 #define ED_SCROLLBUTTON_YPOS            0
 143 #define ED_SCROLLBAR_XPOS               24
 144 #define ED_SCROLLBAR_YPOS               64
 145
 146 #define ED_SCROLLBUTTON_XSIZE           16
 147 #define ED_SCROLLBUTTON_YSIZE           16
 148
 149 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 150 #define ED_SCROLL_UP_YPOS               (0)
 151 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 152 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 153 #define ED_SCROLL_LEFT_XPOS             (0)
 154 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 155 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 156 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 157 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 158 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 159 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 160 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 161 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 162 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 163 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 164 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 165
 166 /* values for scrolling gadgets for element list */
 167 #define ED_SCROLLBUTTON2_XPOS           50
 168 #define ED_SCROLLBUTTON2_YPOS           0
 169 #define ED_SCROLLBAR2_XPOS              50
 170 #define ED_SCROLLBAR2_YPOS              20
 171
 172 #define ED_SCROLLBUTTON2_XSIZE          10
 173 #define ED_SCROLLBUTTON2_YSIZE          10
 174
 175 #define ED_SCROLL2_UP_XPOS              85
 176 #define ED_SCROLL2_UP_YPOS              30
 177 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 178 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 179                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 180                                          ED_ELEMENTLIST_YSIZE - \
 181                                          ED_SCROLLBUTTON2_YSIZE)
 182 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 183 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 184                                          ED_SCROLLBUTTON2_YSIZE)
 185 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 186 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 187                                          ED_ELEMENTLIST_YSIZE - \
 188                                          2 * ED_SCROLLBUTTON2_YSIZE)
 189
 190 /* values for checkbutton gadgets */
 191 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 192 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 193 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 194 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 195 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 196 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 197 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 198
 199 /* some positions in the editor control window */
 200 #define ED_BUTTON_ELEM_XPOS             6
 201 #define ED_BUTTON_ELEM_YPOS             30
 202 #define ED_BUTTON_ELEM_XSIZE            22
 203 #define ED_BUTTON_ELEM_YSIZE            22
 204
 205 /* some values for text input, selectbox and counter gadgets */
 206 #define ED_BUTTON_COUNT_YPOS            60
 207 #define ED_BUTTON_COUNT_XSIZE           20
 208 #define ED_BUTTON_COUNT_YSIZE           20
 209 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 210 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 211 #define ED_WIN_COUNT_XSIZE              52
 212 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 213 #define ED_WIN_COUNT2_XPOS              27
 214 #define ED_WIN_COUNT2_YPOS              3
 215 #define ED_WIN_COUNT2_XSIZE             46
 216 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 217
 218 #define ED_BUTTON_MINUS_XPOS            2
 219 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 220 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 221 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 222 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 223                                          ED_WIN_COUNT_XSIZE + 2)
 224 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 225 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 226 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 227
 228 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 229 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 230                                          2 + ED_WIN_COUNT_YSIZE)
 231 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 232 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 233
 234 #define ED_SELECTBOX_BUTTON_XSIZE       14
 235
 236 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 237 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 238                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 239 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 240
 241 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 242 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS + \
 243                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 244 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS + \
 245                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 246
 247 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 248 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 249
 250 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 251 #define INFOTEXT_XPOS                   SX
 252 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 253 #define INFOTEXT_XSIZE                  SXSIZE
 254 #define INFOTEXT_YSIZE                  MINI_TILEX
 255
 256
 257 /*
 258   -----------------------------------------------------------------------------
 259   editor gadget definitions
 260   -----------------------------------------------------------------------------
 261 */
 262
 263 /* drawing toolbox buttons */
 264 #define GADGET_ID_NONE                  -1
 265 #define GADGET_ID_TOOLBOX_FIRST         0
 266
 267 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 268 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 269 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 270 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 271 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 272 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 273 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 274 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 275 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 276 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 277 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 278 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 279 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 280 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 281 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 282 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 283 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 284 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 285 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 286 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 287 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 288 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 289
 290 /* counter button identifiers */
 291 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 292
 293 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 294 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 295 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 296 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 297 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 298 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 299 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 300 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 301 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 302 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 303 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 304 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 305 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 306 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 307 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 308 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 309 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 310 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 311 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 312 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 313 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 314 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 315 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 316 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 317 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 318 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 319 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 320 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 321 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 322 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 29)
 323 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 324 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 325 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 32)
 326 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 33)
 327 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 34)
 328 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 35)
 329 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 36)
 330 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 37)
 331 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 38)
 332 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 333 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 334 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 41)
 335 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 42)
 336 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 43)
 337 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 44)
 338 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 339 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 340 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 47)
 341 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 342 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 343 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 50)
 344 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 51)
 345 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 52)
 346 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 53)
 347 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 54)
 348 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 55)
 349 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 56)
 350 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 351 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 352 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 59)
 353
 354 /* drawing area identifiers */
 355 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 60)
 356
 357 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 358 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 359 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 360 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 361 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 362 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 363 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 364 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 365 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 366 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 367 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 368 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 369 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 370 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 13)
 371 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 14)
 372 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 15)
 373
 374 /* text input identifiers */
 375 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 16)
 376
 377 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 378 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 379 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 380
 381 /* text area identifiers */
 382 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 383
 384 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 385
 386 /* selectbox identifiers */
 387 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 388
 389 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 0)
 390 #define GADGET_ID_CUSTOM_CONSISTENCY    (GADGET_ID_SELECTBOX_FIRST + 1)
 391 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 2)
 392 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 3)
 393 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 4)
 394 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 5)
 395 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 6)
 396 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 7)
 397 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 8)
 398 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 9)
 399 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 10)
 400 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 11)
 401 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 12)
 402 #define GADGET_ID_CHANGE_POWER          (GADGET_ID_SELECTBOX_FIRST + 13)
 403 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 14)
 404
 405 /* textbutton identifiers */
 406 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 15)
 407
 408 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 409 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 410 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 411 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 3)
 412 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 4)
 413 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 5)
 414
 415 /* graphicbutton identifiers */
 416 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 6)
 417
 418 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 419 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 420
 421 /* gadgets for scrolling of drawing area */
 422 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 423
 424 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 425 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 426 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 427 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 428 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 429 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 430
 431 /* gadgets for scrolling element list */
 432 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 433
 434 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 435 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 436 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 437
 438 /* checkbuttons for level/element properties */
 439 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 440
 441 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 442 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 443 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 444 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 445 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 446 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 447 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 448 #define GADGET_ID_CUSTOM_EXPLODE_RESULT (GADGET_ID_CHECKBUTTON_FIRST + 7)
 449 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 450 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 9)
 451 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 10)
 452 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 11)
 453 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 12)
 454 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 455 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 456 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 457 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 16)
 458 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 17)
 459 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 460 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 461 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 462 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 21)
 463 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 22)
 464 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 465 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 24)
 466 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 25)
 467 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 26)
 468 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 27)
 469
 470 /* gadgets for buttons in element list */
 471 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 472 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 473                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 474
 475 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 476
 477 /* radio button numbers */
 478 #define RADIO_NR_NONE                   0
 479 #define RADIO_NR_DRAWING_TOOLBOX        1
 480 #define RADIO_NR_RANDOM_ELEMENTS        2
 481
 482 /* values for counter gadgets */
 483 #define ED_COUNTER_ID_SELECT_LEVEL      0
 484 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 485 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 486 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 487 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 488 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 489 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 490 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 491 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 492 #define ED_COUNTER_ID_ENVELOPE_XSIZE    9
 493 #define ED_COUNTER_ID_ENVELOPE_YSIZE    10
 494 #define ED_COUNTER_ID_CUSTOM_SCORE      11
 495 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   12
 496 #define ED_COUNTER_ID_PUSH_DELAY_FIX    13
 497 #define ED_COUNTER_ID_PUSH_DELAY_RND    14
 498 #define ED_COUNTER_ID_MOVE_DELAY_FIX    15
 499 #define ED_COUNTER_ID_MOVE_DELAY_RND    16
 500 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  17
 501 #define ED_COUNTER_ID_CHANGE_DELAY_RND  18
 502 #define ED_COUNTER_ID_CHANGE_CONT_RND   19
 503
 504 #define ED_NUM_COUNTERBUTTONS           20
 505
 506 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 507 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 508
 509 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM_SCORE
 510 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_MOVE_DELAY_RND
 511
 512 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 513 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 514
 515 /* values for scrollbutton gadgets */
 516 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 517 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 518 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 519 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 520 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 521 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 522
 523 #define ED_NUM_SCROLLBUTTONS            6
 524
 525 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 526 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 527
 528 /* values for scrollbar gadgets */
 529 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 530 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 531 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 532
 533 #define ED_NUM_SCROLLBARS               3
 534
 535 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 536 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 537
 538 /* values for text input gadgets */
 539 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 540 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 541 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 542
 543 #define ED_NUM_TEXTINPUT                3
 544
 545 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 546 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 547
 548 /* values for text area gadgets */
 549 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 550
 551 #define ED_NUM_TEXTAREAS                        1
 552
 553 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 554 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 555
 556 /* values for selectbox gadgets */
 557 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      0
 558 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     1
 559 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   2
 560 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     3
 561 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   4
 562 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    5
 563 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    6
 564 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    7
 565 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       8
 566 #define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY      9
 567 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       10
 568 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    11
 569 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     12
 570 #define ED_SELECTBOX_ID_CHANGE_POWER            13
 571 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      14
 572
 573 #define ED_NUM_SELECTBOX                        15
 574
 575 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 576 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_CONSISTENCY
 577
 578 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 579 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 580
 581 /* values for textbutton gadgets */
 582 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 583 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 584 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 585 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       3
 586 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        4
 587 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        5
 588
 589 #define ED_NUM_TEXTBUTTONS                      6
 590
 591 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 592 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 593
 594 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE
 595 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 596
 597 /* values for graphicbutton gadgets */
 598 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 599 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 600
 601 #define ED_NUM_GRAPHICBUTTONS                   2
 602
 603 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 604 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST    ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE
 605
 606 /* values for checkbutton gadgets */
 607 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 608 #define ED_CHECKBUTTON_ID_GRAVITY               1
 609 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 610 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 611 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 612 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     5
 613 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 6
 614 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       7
 615 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       8
 616 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      9
 617 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       10
 618 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         11
 619 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT 12
 620 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   13
 621 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  14
 622 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 15
 623 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    16
 624 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     17
 625 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          18
 626 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  19
 627 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   20
 628 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  21
 629 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    22
 630 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  23
 631 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     24
 632 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   25
 633
 634 #define ED_NUM_CHECKBUTTONS                     26
 635
 636 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 637 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 638
 639 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE
 640 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 641
 642 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 643 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE
 644
 645 /* values for radiobutton gadgets */
 646 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 647 #define ED_RADIOBUTTON_ID_QUANTITY      1
 648
 649 #define ED_NUM_RADIOBUTTONS             2
 650
 651 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 652 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 653
 654 /* values for drawing area gadgets */
 655 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 656 #define ED_DRAWING_ID_ELEMENT_CONTENT_0         1
 657 #define ED_DRAWING_ID_ELEMENT_CONTENT_1         2
 658 #define ED_DRAWING_ID_ELEMENT_CONTENT_2         3
 659 #define ED_DRAWING_ID_ELEMENT_CONTENT_3         4
 660 #define ED_DRAWING_ID_ELEMENT_CONTENT_4         5
 661 #define ED_DRAWING_ID_ELEMENT_CONTENT_5         6
 662 #define ED_DRAWING_ID_ELEMENT_CONTENT_6         7
 663 #define ED_DRAWING_ID_ELEMENT_CONTENT_7         8
 664 #define ED_DRAWING_ID_AMOEBA_CONTENT            9
 665 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            10
 666 #define ED_DRAWING_ID_CUSTOM_CONTENT            11
 667 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      12
 668 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     13
 669 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     14
 670 #define ED_DRAWING_ID_RANDOM_BACKGROUND         15
 671
 672 #define ED_NUM_DRAWING_AREAS                    16
 673
 674
 675 /*
 676   -----------------------------------------------------------------------------
 677   some internally used definitions
 678   -----------------------------------------------------------------------------
 679 */
 680
 681 /* values for CopyLevelToUndoBuffer() */
 682 #define UNDO_IMMEDIATE                  0
 683 #define UNDO_ACCUMULATE                 1
 684
 685 /* values for scrollbars */
 686 #define ED_SCROLL_NO                    0
 687 #define ED_SCROLL_LEFT                  1
 688 #define ED_SCROLL_RIGHT                 2
 689 #define ED_SCROLL_UP                    4
 690 #define ED_SCROLL_DOWN                  8
 691
 692 /* screens in the level editor */
 693 #define ED_MODE_DRAWING                 0
 694 #define ED_MODE_INFO                    1
 695 #define ED_MODE_PROPERTIES              2
 696
 697 /* sub-screens in the element properties section */
 698 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 699 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 700 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 701
 702 /* how many steps can be cancelled */
 703 #define NUM_UNDO_STEPS                  (10 + 1)
 704
 705 /* values for elements with score for certain actions */
 706 #define MIN_SCORE                       0
 707 #define MAX_SCORE                       255
 708
 709 /* values for elements with count for collecting */
 710 #define MIN_COLLECT_COUNT               0
 711 #define MAX_COLLECT_COUNT               100
 712
 713 /* values for random placement */
 714 #define RANDOM_USE_PERCENTAGE           0
 715 #define RANDOM_USE_QUANTITY             1
 716
 717 /* maximal size of level editor drawing area */
 718 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 719 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 720
 721
 722 /*
 723   -----------------------------------------------------------------------------
 724   some internally used data structure definitions
 725   -----------------------------------------------------------------------------
 726 */
 727
 728 static struct
 729 {
 730   char shortcut;
 731   char *text;
 732 } control_info[ED_NUM_CTRL_BUTTONS] =
 733 {
 734   { 's',        "draw single items"             },
 735   { 'd',        "draw connected items"          },
 736   { 'l',        "draw lines"                    },
 737   { 'a',        "draw arcs"                     },
 738   { 'r',        "draw outline rectangles"       },
 739   { 'R',        "draw filled rectangles"        },
 740   { '\0',       "wrap (rotate) level up"        },
 741   { 't',        "enter text elements"           },
 742   { 'f',        "flood fill"                    },
 743   { '\0',       "wrap (rotate) level left"      },
 744   { '?',        "properties of drawing element" },
 745   { '\0',       "wrap (rotate) level right"     },
 746   { '\0',       "random element placement"      },
 747   { 'b',        "grab brush"                    },
 748   { '\0',       "wrap (rotate) level down"      },
 749   { ',',        "pick drawing element"          },
 750   { 'U',        "undo last operation"           },
 751   { 'I',        "level properties"              },
 752   { 'S',        "save level"                    },
 753   { 'C',        "clear level"                   },
 754   { 'T',        "test level"                    },
 755   { 'E',        "exit level editor"             }
 756 };
 757
 758 static int random_placement_value = 10;
 759 static int random_placement_method = RANDOM_USE_QUANTITY;
 760 static int random_placement_background_element = EL_SAND;
 761 static boolean random_placement_background_restricted = FALSE;
 762 static boolean stick_element_properties_window = FALSE;
 763 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 764 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 765 static struct ElementChangeInfo custom_element_change;
 766 static struct ElementInfo custom_element;
 767
 768 static struct
 769 {
 770   int x, y;
 771   int min_value, max_value;
 772   int gadget_id_down, gadget_id_up;
 773   int gadget_id_text;
 774   int gadget_id_align;
 775   int *value;
 776   char *text_above, *text_left, *text_right;
 777 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 778 {
 779   /* ---------- level and editor settings ---------------------------------- */
 780
 781   {
 782     DX + 5 - SX,                        DY + 3 - SY,
 783     1,                                  100,
 784     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 785     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
 786     &level_nr,
 787     NULL,                               NULL, NULL
 788   },
 789   {
 790     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 791     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 792     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 793     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
 794     &level.fieldx,
 795     "playfield size:",                  NULL, "width",
 796   },
 797   {
 798     -1,                                 ED_COUNTER_YPOS(2),
 799     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 800     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 801     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
 802     &level.fieldy,
 803     NULL,                               " ", "height",
 804   },
 805   {
 806     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 807     0,                                  999,
 808     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
 809     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
 810     &level.gems_needed,
 811     "number of emeralds to collect:",   NULL, NULL
 812   },
 813   {
 814     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 815     0,                                  999,
 816     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 817     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
 818     &level.time,
 819     "time available to solve level:",   NULL, "(0 => no time limit)"
 820   },
 821   {
 822     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 823     0,                                  255,
 824     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 825     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
 826     &level.score[SC_TIME_BONUS],
 827     "score for each 10 seconds left:",  NULL, NULL
 828   },
 829   {
 830     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 831     1,                                  100,
 832     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 833     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
 834     &random_placement_value,
 835     "random element placement:",        NULL, "in"
 836   },
 837
 838   /* ---------- element settings: configure (various elements) ------------- */
 839
 840   {
 841     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 842     MIN_SCORE,                          MAX_SCORE,
 843     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 844     GADGET_ID_ELEMENT_SCORE_TEXT,       GADGET_ID_NONE,
 845     NULL,                               /* will be set when used */
 846     NULL,                               NULL, NULL
 847   },
 848   {
 849     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 850     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 851     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 852     GADGET_ID_ELEMENT_CONTENT_TEXT,     GADGET_ID_NONE,
 853     &level.num_yamyam_contents,
 854     NULL,                               NULL, "number of content areas"
 855   },
 856   {
 857     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 858     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
 859     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
 860     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
 861     &level.envelope_xsize,
 862     NULL,                               NULL, "width",
 863   },
 864   {
 865     -1,                                 ED_SETTINGS_YPOS(0),
 866     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
 867     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
 868     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
 869     &level.envelope_ysize,
 870     NULL,                               " ", "height",
 871   },
 872
 873   /* ---------- element settings: configure (custom elements) ------------- */
 874
 875   {
 876     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
 877     MIN_SCORE,                          MAX_SCORE,
 878     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
 879     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
 880     &custom_element.collect_score,
 881     NULL,                               "score", " "
 882   },
 883   {
 884     -1,                                 ED_SETTINGS_YPOS(3),
 885     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
 886     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
 887     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
 888     &custom_element.collect_count,
 889     NULL,                               "count", NULL
 890   },
 891   {
 892     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 893     0,                                  999,
 894     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
 895     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 896     &custom_element.push_delay_fixed,
 897     NULL,                               "push delay", NULL
 898   },
 899   {
 900     -1,                                 ED_SETTINGS_YPOS(4),
 901     0,                                  999,
 902     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
 903     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
 904     &custom_element.push_delay_random,
 905     NULL,                               "+random", NULL
 906   },
 907   {
 908     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
 909     0,                                  999,
 910     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
 911     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 912     &custom_element.move_delay_fixed,
 913     NULL,                               "move delay", NULL
 914   },
 915   {
 916     -1,                                 ED_SETTINGS_YPOS(7),
 917     0,                                  999,
 918     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
 919     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
 920     &custom_element.move_delay_random,
 921     NULL,                               "+random", NULL
 922   },
 923
 924   /* ---------- element settings: advanced (custom elements) --------------- */
 925
 926   {
 927     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(3),
 928     0,                                  999,
 929     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 930     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
 931     &custom_element_change.delay_fixed,
 932     NULL,                               "delay", NULL,
 933   },
 934   {
 935     -1,                                 ED_SETTINGS_YPOS(3),
 936     0,                                  999,
 937     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 938     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 939     &custom_element_change.delay_random,
 940     NULL,                               "+random", NULL
 941   },
 942   {
 943     ED_SETTINGS_XPOS(3),                ED_SETTINGS_YPOS(11),
 944     0,                                  100,
 945     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
 946     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
 947     &custom_element_change.random,
 948     NULL,                               "use random change:", "(%)"
 949   },
 950 };
 951
 952 static struct
 953 {
 954   int x, y;
 955   int gadget_id;
 956   int size;
 957   char *value;
 958   char *text_above, *infotext;
 959 } textinput_info[ED_NUM_TEXTINPUT] =
 960 {
 961   {
 962     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
 963     GADGET_ID_LEVEL_NAME,
 964     MAX_LEVEL_NAME_LEN,
 965     level.name,
 966     "Title:", "Title"
 967   },
 968   {
 969     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 970     GADGET_ID_LEVEL_AUTHOR,
 971     MAX_LEVEL_AUTHOR_LEN,
 972     level.author,
 973     "Author:", "Author"
 974   },
 975   {
 976     5 * MINI_TILEX,                     5 * MINI_TILEY - ED_BORDER_SIZE,
 977     GADGET_ID_ELEMENT_NAME,
 978     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
 979     custom_element.description,
 980     NULL, "Element name"
 981   }
 982 };
 983
 984 static struct
 985 {
 986   int x, y;
 987   int gadget_id;
 988   int xsize, ysize;
 989   char *value;
 990   char *text_above, *infotext;
 991 } textarea_info[ED_NUM_TEXTAREAS] =
 992 {
 993   {
 994     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
 995     GADGET_ID_ENVELOPE_INFO,
 996     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
 997     level.envelope,
 998     "Envelope Info:", "Envelope Info"
 999   }
1000 };
1001
1002 static struct ValueTextInfo options_access_type[] =
1003 {
1004   { EP_WALKABLE,                "walk"                          },
1005   { EP_PASSABLE,                "pass"                          },
1006   { -1,                         NULL                            }
1007 };
1008
1009 static struct ValueTextInfo options_access_layer[] =
1010 {
1011   { EP_ACCESSIBLE_OVER,         "over"                          },
1012   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1013   { EP_ACCESSIBLE_UNDER,        "under"                         },
1014   { -1,                         NULL                            }
1015 };
1016
1017 static struct ValueTextInfo options_walk_to_action[] =
1018 {
1019   { EP_DIGGABLE,                "diggable"                      },
1020   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1021   { EP_DROPPABLE,               "collectible & droppable"       },
1022   { EP_PUSHABLE,                "pushable"                      },
1023   { -1,                         NULL                            }
1024 };
1025
1026 static struct ValueTextInfo options_move_pattern[] =
1027 {
1028   { MV_LEFT,                    "left"                          },
1029   { MV_RIGHT,                   "right"                         },
1030   { MV_UP,                      "up"                            },
1031   { MV_DOWN,                    "down"                          },
1032   { MV_HORIZONTAL,              "horizontal"                    },
1033   { MV_VERTICAL,                "vertical"                      },
1034   { MV_ALL_DIRECTIONS,          "all directions"                },
1035   { MV_TOWARDS_PLAYER,          "towards player"                },
1036   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1037   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1038   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1039   { MV_TURNING_LEFT,            "turning left"                  },
1040   { MV_TURNING_RIGHT,           "turning right"                 },
1041   { -1,                         NULL                            }
1042 };
1043
1044 static struct ValueTextInfo options_move_direction[] =
1045 {
1046   { MV_NO_MOVING,               "automatic"                     },
1047   { MV_LEFT,                    "left"                          },
1048   { MV_RIGHT,                   "right"                         },
1049   { MV_UP,                      "up"                            },
1050   { MV_DOWN,                    "down"                          },
1051   { -1,                         NULL                            }
1052 };
1053
1054 static struct ValueTextInfo options_move_stepsize[] =
1055 {
1056   { 1,                          "very slow"                     },
1057   { 2,                          "slow"                          },
1058   { 4,                          "normal"                        },
1059   { 8,                          "fast"                          },
1060   { 16,                         "very fast"                     },
1061   { -1,                         NULL                            }
1062 };
1063
1064 static struct ValueTextInfo options_smash_targets[] =
1065 {
1066   { EP_CAN_SMASH_PLAYER,        "player"                        },
1067 #if 0
1068   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1069 #endif
1070   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1071   { -1,                         NULL                            }
1072 };
1073
1074 static struct ValueTextInfo options_slippery_type[] =
1075 {
1076   { SLIPPERY_ANY_RANDOM,        "random"                        },
1077   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1078   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1079   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1080   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1081   { -1,                         NULL                            }
1082 };
1083
1084 static struct ValueTextInfo options_deadliness[] =
1085 {
1086   { EP_DONT_RUN_INTO,           "running into"                  },
1087   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1088   { EP_DONT_TOUCH,              "touching"                      },
1089   { -1,                         NULL                            }
1090 };
1091
1092 static struct ValueTextInfo options_consistency[] =
1093 {
1094   { EP_CAN_EXPLODE_3X3,         "can explode 3x3"               },
1095   { EP_CAN_EXPLODE_1X1,         "can explode 1x1"               },
1096   { EP_INDESTRUCTIBLE,          "indestructible"                },
1097   { -1,                         NULL                            }
1098 };
1099
1100 static struct ValueTextInfo options_time_units[] =
1101 {
1102   { FRAMES_PER_SECOND,          "seconds"                       },
1103   { 1,                          "frames"                        },
1104   { -1,                         NULL                            }
1105 };
1106
1107 static struct ValueTextInfo options_change_direct_action[] =
1108 {
1109   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1110   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1111   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1112   { CE_DROPPED_BY_PLAYER,       "dropped by player"             },
1113   { CE_COLLISION,               "collision"                     },
1114   { CE_IMPACT,                  "impact"                        },
1115   { CE_SMASHED,                 "smashed"                       },
1116   { -1,                         NULL                            }
1117 };
1118
1119 static struct ValueTextInfo options_change_other_action[] =
1120 {
1121   { CE_OTHER_GETS_TOUCHED,      "player touches"                },
1122   { CE_OTHER_GETS_PRESSED,      "player presses"                },
1123   { CE_OTHER_GETS_PUSHED,       "player pushes"                 },
1124   { CE_OTHER_GETS_DIGGED,       "player digs"                   },
1125   { CE_OTHER_GETS_COLLECTED,    "player collects"               },
1126   { CE_OTHER_GETS_DROPPED,      "player drops"                  },
1127   { CE_TOUCHING_ANY_SIDE_OF,    "touching"                      },
1128   { CE_TOUCHING_LEFT_OF,        "touching left of"              },
1129   { CE_TOUCHING_RIGHT_OF,       "touching right of"             },
1130   { CE_TOUCHING_TOP_OF,         "touching top of"               },
1131   { CE_TOUCHING_BOTTOM_OF,      "touching bottom of"            },
1132   { CE_OTHER_IS_CHANGING,       "change of"                     },
1133   { CE_OTHER_IS_EXPLODING,      "explosion of"                  },
1134   { -1,                         NULL                            }
1135 };
1136
1137 static struct ValueTextInfo options_change_power[] =
1138 {
1139   { CP_NON_DESTRUCTIVE,         "empty"                         },
1140   { CP_HALF_DESTRUCTIVE,        "diggable"                      },
1141   { CP_FULL_DESTRUCTIVE,        "destructible"                  },
1142   { -1,                         NULL                            }
1143 };
1144
1145 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
1146 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
1147 {
1148   { -1,                         NULL                            }
1149 };
1150
1151 static struct
1152 {
1153   int x, y;
1154   int gadget_id;
1155   int gadget_id_align;
1156   int size;     /* char size of selectbox or '-1' (dynamically determined) */
1157   struct ValueTextInfo *options;
1158   int *value;
1159   char *text_left, *text_right, *infotext;
1160 } selectbox_info[ED_NUM_SELECTBOX] =
1161 {
1162   /* ---------- element settings: configure (custom elements) ------------- */
1163
1164   {
1165     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(1),
1166     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
1167     -1,
1168     options_access_type,
1169     &custom_element.access_type,
1170     "player can", NULL,                 "type of access to this field"
1171   },
1172   {
1173     -1,                                 ED_SETTINGS_YPOS(1),
1174     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
1175     -1,
1176     options_access_layer,
1177     &custom_element.access_layer,
1178     NULL, NULL,                         "layer of access for this field"
1179   },
1180   {
1181     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1182     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
1183     -1,
1184     options_walk_to_action,
1185     &custom_element.walk_to_action,
1186     NULL, NULL,                         "diggable/collectible/pushable"
1187   },
1188   {
1189     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1190     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
1191     -1,
1192     options_move_pattern,
1193     &custom_element.move_pattern,
1194     "can move", NULL,                   "element move direction"
1195   },
1196   {
1197     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1198     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
1199     -1,
1200     options_move_direction,
1201     &custom_element.move_direction_initial,
1202     "starts moving", NULL,              "initial element move direction"
1203   },
1204   {
1205     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1206     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
1207     -1,
1208     options_move_stepsize,
1209     &custom_element.move_stepsize,
1210     "move/fall speed", NULL,            "speed of element movement"
1211   },
1212   {
1213     -1,                                 ED_SETTINGS_YPOS(9),
1214     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
1215     -1,
1216     options_smash_targets,
1217     &custom_element.smash_targets,
1218     "can smash", NULL,                  "elements that can be smashed"
1219   },
1220   {
1221     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(10),
1222     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
1223     -1,
1224     options_slippery_type,
1225     &custom_element.slippery_type,
1226     "slippery", NULL,                   "where other elements fall down"
1227   },
1228   {
1229     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(11),
1230     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
1231     -1,
1232     options_deadliness,
1233     &custom_element.deadliness,
1234     "deadly when", NULL,                "deadliness of element"
1235   },
1236   {
1237     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(12),
1238     GADGET_ID_CUSTOM_CONSISTENCY,       GADGET_ID_NONE,
1239     -1,
1240     options_consistency,
1241     &custom_element.consistency,
1242     NULL, NULL,                         "consistency/destructibility"
1243   },
1244
1245   /* ---------- element settings: advanced (custom elements) --------------- */
1246
1247   {
1248     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
1249     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
1250     -1,
1251     options_time_units,
1252     &custom_element_change.delay_frames,
1253     "delay time given in", NULL,        "delay time units for change"
1254   },
1255   {
1256     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(5),
1257     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
1258     -1,
1259     options_change_direct_action,
1260     &custom_element_change.direct_action,
1261     NULL, NULL,                         "type of direct action"
1262   },
1263   {
1264     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(6),
1265     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
1266     -1,
1267     options_change_other_action,
1268     &custom_element_change.other_action,
1269     NULL, "element:",                   "type of other element action"
1270   },
1271   {
1272     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(9),
1273     GADGET_ID_CHANGE_POWER,             GADGET_ID_NONE,
1274     -1,
1275     options_change_power,
1276     &custom_element_change.power,
1277     "replace when", NULL,               "which elements can be replaced"
1278   },
1279   {
1280     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(13),
1281     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
1282     3,
1283     options_change_page,
1284     &custom_element.current_change_page,
1285     NULL, NULL,                         "element config page"
1286   },
1287 };
1288
1289 static struct
1290 {
1291   int x, y;
1292   int gadget_id;
1293   int gadget_id_align;
1294   int size;
1295   char *text;
1296   char *text_left, *text_right, *infotext;
1297 } textbutton_info[ED_NUM_TEXTBUTTONS] =
1298 {
1299   {
1300     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1301     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
1302     11,                                 "Information",
1303     NULL, NULL,                         "Show information about element"
1304   },
1305   {
1306     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
1307     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
1308     11,                                 "Configure",
1309     NULL, NULL,                         "Configure element properties"
1310   },
1311   {
1312     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
1313     GADGET_ID_PROPERTIES_ADVANCED,      GADGET_ID_NONE,
1314     11,                                 "Advanced",
1315     NULL, NULL,                         "Advanced element configuration"
1316   },
1317   {
1318     -1,                                 ED_SETTINGS_YPOS(12),
1319     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
1320     -1,                                 "Save as template",
1321     " ", NULL,                          "Save current settings as new template"
1322   },
1323   {
1324     -1,                                 ED_SETTINGS_YPOS(13),
1325     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_NEXT_CHANGE_PAGE,
1326     -1,                                 "New",
1327     " ", NULL,                          "Add new config page"
1328   },
1329   {
1330     -1,                                 ED_SETTINGS_YPOS(13),
1331     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
1332     -1,                                 "Delete",
1333     NULL, NULL,                         "Delete current config page"
1334   },
1335 };
1336
1337 static struct
1338 {
1339   int gd_x, gd_y;
1340   int x, y;
1341   int width, height;
1342   int gadget_id;
1343   int gadget_id_align;
1344   char *text_left, *text_right, *infotext;
1345 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
1346 {
1347   {
1348     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
1349     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(13),
1350     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1351     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
1352     NULL, NULL,                         "select previous config page"
1353   },
1354   {
1355     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
1356     -1,                                 ED_SETTINGS_YPOS(13),
1357     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1358     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
1359     NULL, "config page",                "select next config page"
1360   },
1361 };
1362
1363 static struct
1364 {
1365   int gd_x, gd_y;
1366   int x, y;
1367   int gadget_id;
1368   char *infotext;
1369 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
1370 {
1371   {
1372     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
1373     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
1374     GADGET_ID_SCROLL_UP,
1375     "scroll level editing area up"
1376   },
1377   {
1378     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
1379     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
1380     GADGET_ID_SCROLL_DOWN,
1381     "scroll level editing area down"
1382   },
1383   {
1384     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
1385     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
1386     GADGET_ID_SCROLL_LEFT,
1387     "scroll level editing area left"
1388   },
1389   {
1390     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1391     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1392     GADGET_ID_SCROLL_RIGHT,
1393     "scroll level editing area right"
1394   },
1395   {
1396     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1397     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1398     GADGET_ID_SCROLL_LIST_UP,
1399     "scroll element list up ('Page Up')"
1400   },
1401   {
1402     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1403     ED_SCROLL2_DOWN_XPOS,   ED_SCROLL2_DOWN_YPOS,
1404     GADGET_ID_SCROLL_LIST_DOWN,
1405     "scroll element list down ('Page Down')"
1406   },
1407 };
1408
1409 static struct
1410 {
1411   int gd_x, gd_y;
1412   int x, y;
1413   int width, height;
1414   int type;
1415   int gadget_id;
1416   char *infotext;
1417 } scrollbar_info[ED_NUM_SCROLLBARS] =
1418 {
1419   {
1420     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1421     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1422     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1423     GD_TYPE_SCROLLBAR_HORIZONTAL,
1424     GADGET_ID_SCROLL_HORIZONTAL,
1425     "scroll level editing area horizontally"
1426   },
1427   {
1428     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1429     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1430     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1431     GD_TYPE_SCROLLBAR_VERTICAL,
1432     GADGET_ID_SCROLL_VERTICAL,
1433     "scroll level editing area vertically"
1434   },
1435   {
1436     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1437     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1438     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1439     GD_TYPE_SCROLLBAR_VERTICAL,
1440     GADGET_ID_SCROLL_LIST_VERTICAL,
1441     "scroll element list vertically"
1442   }
1443 };
1444
1445 static struct
1446 {
1447   int x, y;
1448   int gadget_id;
1449   int gadget_id_align;
1450   int radio_button_nr;
1451   int *value;
1452   int checked_value;
1453   char *text_left, *text_right, *infotext;
1454 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1455 {
1456   {
1457     -1,                                 ED_COUNTER2_YPOS(8),
1458     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
1459     RADIO_NR_RANDOM_ELEMENTS,
1460     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1461     " ", "percentage",                  "use percentage for random elements"
1462   },
1463   {
1464     -1,                                 ED_COUNTER2_YPOS(8),
1465     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
1466     RADIO_NR_RANDOM_ELEMENTS,
1467     &random_placement_method,           RANDOM_USE_QUANTITY,
1468     " ", "quantity",                    "use quantity for random elements"
1469   }
1470 };
1471
1472 static struct
1473 {
1474   int x, y;
1475   int gadget_id;
1476   int gadget_id_align;
1477   boolean *value;
1478   char *text_left, *text_right, *infotext;
1479 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1480 {
1481   /* ---------- level and editor settings ---------------------------------- */
1482
1483   {
1484     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1485     GADGET_ID_DOUBLE_SPEED,             GADGET_ID_NONE,
1486     &level.double_speed,
1487     NULL, "double speed movement",      "set movement speed of player"
1488   },
1489   {
1490     -1,                                 ED_COUNTER_YPOS(6) - MINI_TILEY,
1491     GADGET_ID_GRAVITY,                  GADGET_ID_DOUBLE_SPEED,
1492     &level.gravity,
1493     " ", "gravity",                     "set level gravity"
1494   },
1495   {
1496     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1497     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
1498     &random_placement_background_restricted,
1499     NULL,
1500     "restrict random placement to:",    "set random placement restriction"
1501   },
1502
1503   /* ---------- element settings: configure (various elements) ------------- */
1504
1505   {
1506     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
1507     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
1508     &stick_element_properties_window,
1509     NULL,
1510     "stick this screen to edit content","stick this screen to edit content"
1511   },
1512   {
1513     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1514     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
1515     &level.em_slippery_gems,
1516     NULL,
1517     "slip down from certain flat walls","use EM style slipping behaviour"
1518   },
1519
1520   /* ---------- element settings: configure (custom elements) ------------- */
1521
1522   {
1523     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1524     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
1525     &custom_element_properties[EP_ACCESSIBLE],
1526     NULL, NULL,                         "player can walk to or pass this field"
1527   },
1528   {
1529     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1530     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
1531     &custom_element_properties[EP_WALK_TO_OBJECT],
1532     NULL, NULL,                         "player can dig/collect/push element"
1533   },
1534   {
1535     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1536     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
1537     &custom_element_properties[EP_CAN_MOVE],
1538     NULL, NULL,                         "element can move in some direction"
1539   },
1540   {
1541     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(9),
1542     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
1543     &custom_element_properties[EP_CAN_FALL],
1544     NULL, "can fall",                   "element can fall down"
1545   },
1546   {
1547     -1,                                 ED_SETTINGS_YPOS(9),
1548     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
1549     &custom_element_properties[EP_CAN_SMASH],
1550     " ", NULL,                          "element can smash other elements"
1551   },
1552   {
1553     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1554     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
1555     &custom_element_properties[EP_SLIPPERY],
1556     NULL, NULL,                         "other elements can fall down from it"
1557   },
1558   {
1559     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(11),
1560     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
1561     &custom_element_properties[EP_DEADLY],
1562     NULL, NULL,                         "element can kill the player"
1563   },
1564   {
1565     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1566     GADGET_ID_CUSTOM_EXPLODE_RESULT,    GADGET_ID_NONE,
1567     &custom_element_properties[EP_EXPLODE_RESULT],
1568     NULL, NULL,                         "set consistency/destructibility"
1569   },
1570   {
1571     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(13),
1572     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
1573     &custom_element.can_explode_by_fire,
1574     NULL, "by fire",                    "element can explode by fire/explosion"
1575   },
1576   {
1577     -1,                                 ED_SETTINGS_YPOS(13),
1578     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
1579     &custom_element.can_explode_smashed,
1580     " ", "smashed",                     "element can explode when smashed"
1581   },
1582   {
1583     -1,                                 ED_SETTINGS_YPOS(13),
1584     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
1585     &custom_element.can_explode_impact,
1586     " ", "impact",                      "element can explode on impact"
1587   },
1588
1589   /* ---------- element settings: advanced (custom elements) --------------- */
1590
1591   {
1592     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1593     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
1594     &custom_element.use_gfx_element,
1595     NULL, "use graphic of element:",    "use graphic for custom element"
1596   },
1597   {
1598     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1599     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
1600     &custom_element_change.can_change,
1601     NULL, "element changes to:",        "element can change to other element"
1602   },
1603   {
1604     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1605     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
1606     &custom_element_change_events[CE_DELAY],
1607     NULL, NULL,                         "element changes after delay"
1608   },
1609   {
1610     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1611     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
1612     &custom_element_change_events[CE_BY_DIRECT_ACTION],
1613     NULL, NULL,                         "element changes by direct action"
1614   },
1615   {
1616     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1617     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
1618     &custom_element_change_events[CE_BY_OTHER_ACTION],
1619     NULL, NULL,                         "element changes by other element"
1620   },
1621   {
1622     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
1623     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
1624     &custom_element_change.explode,
1625     NULL, "explode instead of change",  "element explodes instead of change"
1626   },
1627   {
1628     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1629     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
1630     &custom_element_change.use_content,
1631     NULL, "use extended change target:","element changes to more elements"
1632   },
1633   {
1634     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(10),
1635     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
1636     &custom_element_change.only_complete,
1637     NULL, "only use complete change",   "only use complete extended content"
1638   },
1639   {
1640     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(11),
1641     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
1642     &custom_element_change.use_random_change,
1643     NULL, NULL,                         "use random value for new content"
1644   },
1645   {
1646     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1647     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
1648     &level.use_custom_template,
1649     NULL, "use template",               "use template for custom properties"
1650   },
1651 };
1652
1653 static struct
1654 {
1655   int x, y;
1656   int area_xsize, area_ysize;
1657   int gadget_id;
1658   int gadget_id_align;
1659   char *text_left, *text_right, *text_below;
1660 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
1661 {
1662   /* ---------- level playfield content ------------------------------------ */
1663
1664   {
1665     0, 0,
1666     MAX_ED_FIELDX, MAX_ED_FIELDY,
1667     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
1668     NULL, NULL,                         NULL
1669   },
1670
1671   /* ---------- yam yam content -------------------------------------------- */
1672
1673   {
1674     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
1675     3, 3,
1676     GADGET_ID_ELEMENT_CONTENT_0,        GADGET_ID_NONE,
1677     NULL, NULL,                         "1"
1678   },
1679   {
1680     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
1681     3, 3,
1682     GADGET_ID_ELEMENT_CONTENT_1,        GADGET_ID_NONE,
1683     NULL, NULL,                         "2"
1684   },
1685   {
1686     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
1687     3, 3,
1688     GADGET_ID_ELEMENT_CONTENT_2,        GADGET_ID_NONE,
1689     NULL, NULL,                         "3"
1690   },
1691   {
1692     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
1693     3, 3,
1694     GADGET_ID_ELEMENT_CONTENT_3,        GADGET_ID_NONE,
1695     NULL, NULL,                         "4"
1696   },
1697   {
1698     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
1699     3, 3,
1700     GADGET_ID_ELEMENT_CONTENT_4,        GADGET_ID_NONE,
1701     NULL, NULL,                         "5"
1702   },
1703   {
1704     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
1705     3, 3,
1706     GADGET_ID_ELEMENT_CONTENT_5,        GADGET_ID_NONE,
1707     NULL, NULL,                         "6"
1708   },
1709   {
1710     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
1711     3, 3,
1712     GADGET_ID_ELEMENT_CONTENT_6,        GADGET_ID_NONE,
1713     NULL, NULL,                         "7"
1714   },
1715   {
1716     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
1717     3, 3,
1718     GADGET_ID_ELEMENT_CONTENT_7,        GADGET_ID_NONE,
1719     NULL, NULL,                         "8"
1720   },
1721
1722   /* ---------- amoeba content --------------------------------------------- */
1723
1724   {
1725     ED_AREA_ELEM_CONTENT_XPOS,          ED_AREA_ELEM_CONTENT_YPOS,
1726     1, 1,
1727     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
1728     NULL, "content of amoeba",          NULL
1729   },
1730
1731   /* ---------- custom graphic --------------------------------------------- */
1732
1733   {
1734     -1,                                 ED_AREA_ELEM_CONTENT3_YPOS,
1735     1, 1,
1736     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
1737     NULL, NULL,                         NULL
1738   },
1739
1740   /* ---------- custom content (when exploding) ---------------------------- */
1741
1742   {
1743     ED_AREA_ELEM_CONTENT4_XPOS,         ED_AREA_ELEM_CONTENT4_YPOS,
1744     3, 3,
1745     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
1746     "content:", NULL,                   NULL
1747   },
1748
1749   /* ---------- custom change target --------------------------------------- */
1750
1751   {
1752     -1,                                 ED_AREA_ELEM_CONTENT2_YPOS,
1753     1, 1,
1754     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
1755     NULL, "after/when:",                NULL
1756   },
1757
1758   /* ---------- custom change content (extended change target) ------------- */
1759
1760   {
1761     ED_AREA_ELEM_CONTENT6_XPOS,         ED_AREA_ELEM_CONTENT6_YPOS,
1762     3, 3,
1763     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
1764     NULL, NULL,                         NULL
1765   },
1766
1767   /* ---------- custom change trigger (element causing change) ------------- */
1768
1769   {
1770     -1,                                 ED_AREA_ELEM_CONTENT5_YPOS,
1771     1, 1,
1772     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
1773     NULL, NULL,                         NULL
1774   },
1775
1776   /* ---------- random background (for random painting) -------------------- */
1777
1778   {
1779     -1,                                 ED_AREA_RANDOM_BACKGROUND_YPOS,
1780     1, 1,
1781     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
1782     NULL, NULL,                         NULL
1783   },
1784 };
1785
1786
1787 /*
1788   -----------------------------------------------------------------------------
1789   some internally used variables
1790   -----------------------------------------------------------------------------
1791 */
1792
1793 /* actual size of level editor drawing area */
1794 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1795
1796 /* actual position of level editor drawing area in level playfield */
1797 static int level_xpos = -1, level_ypos = -1;
1798
1799 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1800
1801 /* drawing elements on the three mouse buttons */
1802 static int new_element1 = EL_WALL;
1803 static int new_element2 = EL_EMPTY;
1804 static int new_element3 = EL_SAND;
1805
1806 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1807                                 (button) == 2 ? new_element2 : \
1808                                 (button) == 3 ? new_element3 : EL_EMPTY)
1809 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1810
1811 /* forward declaration for internal use */
1812 static void ModifyEditorCounter(int, int);
1813 static void ModifyEditorCounterLimits(int, int, int);
1814 static void ModifyEditorSelectbox(int, int);
1815 static void ModifyEditorElementList();
1816 static void RedrawDrawingElements();
1817 static void DrawDrawingWindow();
1818 static void DrawLevelInfoWindow();
1819 static void DrawPropertiesWindow();
1820 static boolean checkPropertiesConfig();
1821 static void CopyLevelToUndoBuffer(int);
1822 static void HandleDrawingAreas(struct GadgetInfo *);
1823 static void HandleCounterButtons(struct GadgetInfo *);
1824 static void HandleTextInputGadgets(struct GadgetInfo *);
1825 static void HandleTextAreaGadgets(struct GadgetInfo *);
1826 static void HandleSelectboxGadgets(struct GadgetInfo *);
1827 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1828 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
1829 static void HandleRadiobuttons(struct GadgetInfo *);
1830 static void HandleCheckbuttons(struct GadgetInfo *);
1831 static void HandleControlButtons(struct GadgetInfo *);
1832 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1833
1834 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1835 static int right_gadget_border[NUM_EDITOR_GADGETS];
1836
1837 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1838 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1839 static boolean draw_with_brush = FALSE;
1840 static int properties_element = 0;
1841
1842 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1843 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1844 static int undo_buffer_position = 0;
1845 static int undo_buffer_steps = 0;
1846
1847 static int edit_mode;
1848 static int edit_mode_properties;
1849
1850 static int element_shift = 0;
1851
1852 static int editor_hl_boulderdash[] =
1853 {
1854   EL_CHAR('B'),
1855   EL_CHAR('O'),
1856   EL_CHAR('U'),
1857   EL_CHAR('L'),
1858
1859   EL_CHAR('-'),
1860   EL_CHAR('D'),
1861   EL_CHAR('E'),
1862   EL_CHAR('R'),
1863
1864   EL_CHAR('D'),
1865   EL_CHAR('A'),
1866   EL_CHAR('S'),
1867   EL_CHAR('H'),
1868 };
1869
1870 static int editor_el_boulderdash[] =
1871 {
1872   EL_PLAYER_1,
1873   EL_EMPTY,
1874   EL_SAND,
1875   EL_STEELWALL,
1876
1877   EL_BD_WALL,
1878   EL_BD_MAGIC_WALL,
1879   EL_EXIT_CLOSED,
1880   EL_EXIT_OPEN,
1881
1882   EL_BD_DIAMOND,
1883   EL_BD_BUTTERFLY_UP,
1884   EL_BD_FIREFLY_UP,
1885   EL_BD_ROCK,
1886
1887   EL_BD_BUTTERFLY_LEFT,
1888   EL_BD_FIREFLY_LEFT,
1889   EL_BD_BUTTERFLY_RIGHT,
1890   EL_BD_FIREFLY_RIGHT,
1891
1892   EL_BD_AMOEBA,
1893   EL_BD_BUTTERFLY_DOWN,
1894   EL_BD_FIREFLY_DOWN,
1895   EL_EMPTY,
1896 };
1897 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
1898 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1899
1900 static int editor_hl_emerald_mine[] =
1901 {
1902   EL_CHAR('E'),
1903   EL_CHAR('M'),
1904   EL_CHAR('E'),
1905   EL_CHAR('-'),
1906
1907   EL_CHAR('R'),
1908   EL_CHAR('A'),
1909   EL_CHAR('L'),
1910   EL_CHAR('D'),
1911
1912   EL_CHAR('M'),
1913   EL_CHAR('I'),
1914   EL_CHAR('N'),
1915   EL_CHAR('E'),
1916 };
1917
1918 static int editor_el_emerald_mine[] =
1919 {
1920   EL_PLAYER_1,
1921   EL_PLAYER_2,
1922   EL_PLAYER_3,
1923   EL_PLAYER_4,
1924
1925   EL_PLAYER_1,
1926   EL_EMPTY,
1927   EL_SAND,
1928   EL_ROCK,
1929
1930   EL_STEELWALL,
1931   EL_WALL,
1932   EL_WALL_SLIPPERY,
1933   EL_MAGIC_WALL,
1934
1935   EL_EMERALD,
1936   EL_DIAMOND,
1937   EL_NUT,
1938   EL_BOMB,
1939
1940   EL_WALL_EMERALD,
1941   EL_WALL_DIAMOND,
1942   EL_QUICKSAND_EMPTY,
1943   EL_QUICKSAND_FULL,
1944
1945   EL_DYNAMITE,
1946   EL_DYNAMITE_ACTIVE,
1947   EL_EXIT_CLOSED,
1948   EL_EXIT_OPEN,
1949
1950   EL_YAMYAM,
1951   EL_BUG_UP,
1952   EL_SPACESHIP_UP,
1953   EL_ROBOT,
1954
1955   EL_BUG_LEFT,
1956   EL_SPACESHIP_LEFT,
1957   EL_BUG_RIGHT,
1958   EL_SPACESHIP_RIGHT,
1959
1960   EL_ROBOT_WHEEL,
1961   EL_BUG_DOWN,
1962   EL_SPACESHIP_DOWN,
1963   EL_INVISIBLE_WALL,
1964
1965   EL_ACID_POOL_TOPLEFT,
1966   EL_ACID,
1967   EL_ACID_POOL_TOPRIGHT,
1968   EL_EMPTY,
1969
1970   EL_ACID_POOL_BOTTOMLEFT,
1971   EL_ACID_POOL_BOTTOM,
1972   EL_ACID_POOL_BOTTOMRIGHT,
1973   EL_EMPTY,
1974
1975   EL_AMOEBA_DROP,
1976   EL_AMOEBA_DEAD,
1977   EL_AMOEBA_WET,
1978   EL_AMOEBA_DRY,
1979
1980   EL_EM_KEY_1_FILE,
1981   EL_EM_KEY_2_FILE,
1982   EL_EM_KEY_3_FILE,
1983   EL_EM_KEY_4_FILE,
1984
1985   EL_EM_GATE_1,
1986   EL_EM_GATE_2,
1987   EL_EM_GATE_3,
1988   EL_EM_GATE_4,
1989
1990   EL_EM_GATE_1_GRAY,
1991   EL_EM_GATE_2_GRAY,
1992   EL_EM_GATE_3_GRAY,
1993   EL_EM_GATE_4_GRAY,
1994 };
1995 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
1996 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1997
1998 static int editor_hl_more[] =
1999 {
2000   EL_CHAR('M'),
2001   EL_CHAR('O'),
2002   EL_CHAR('R'),
2003   EL_CHAR('E'),
2004 };
2005
2006 static int editor_el_more[] =
2007 {
2008   EL_KEY_1,
2009   EL_KEY_2,
2010   EL_KEY_3,
2011   EL_KEY_4,
2012
2013   EL_GATE_1,
2014   EL_GATE_2,
2015   EL_GATE_3,
2016   EL_GATE_4,
2017
2018   EL_GATE_1_GRAY,
2019   EL_GATE_2_GRAY,
2020   EL_GATE_3_GRAY,
2021   EL_GATE_4_GRAY,
2022
2023   EL_ARROW_LEFT,
2024   EL_ARROW_RIGHT,
2025   EL_ARROW_UP,
2026   EL_ARROW_DOWN,
2027
2028   EL_AMOEBA_FULL,
2029   EL_EMERALD_YELLOW,
2030   EL_EMERALD_RED,
2031   EL_EMERALD_PURPLE,
2032
2033   EL_WALL_BD_DIAMOND,
2034   EL_WALL_EMERALD_YELLOW,
2035   EL_WALL_EMERALD_RED,
2036   EL_WALL_EMERALD_PURPLE,
2037
2038   EL_GAME_OF_LIFE,
2039   EL_PACMAN_UP,
2040   EL_TIME_ORB_FULL,
2041   EL_TIME_ORB_EMPTY,
2042
2043   EL_PACMAN_LEFT,
2044   EL_DARK_YAMYAM,
2045   EL_PACMAN_RIGHT,
2046   EL_EXPANDABLE_WALL,
2047
2048   EL_BIOMAZE,
2049   EL_PACMAN_DOWN,
2050   EL_LAMP,
2051   EL_LAMP_ACTIVE,
2052
2053   EL_DYNABOMB_INCREASE_NUMBER,
2054   EL_DYNABOMB_INCREASE_SIZE,
2055   EL_DYNABOMB_INCREASE_POWER,
2056   EL_STONEBLOCK,
2057
2058   EL_MOLE,
2059   EL_PENGUIN,
2060   EL_PIG,
2061   EL_DRAGON,
2062
2063   EL_EMPTY,
2064   EL_MOLE_UP,
2065   EL_EMPTY,
2066   EL_EMPTY,
2067
2068   EL_MOLE_LEFT,
2069   EL_EMPTY,
2070   EL_MOLE_RIGHT,
2071   EL_EMPTY,
2072
2073   EL_EMPTY,
2074   EL_MOLE_DOWN,
2075   EL_BALLOON,
2076   EL_BALLOON_SWITCH_ANY,
2077
2078   EL_BALLOON_SWITCH_LEFT,
2079   EL_BALLOON_SWITCH_RIGHT,
2080   EL_BALLOON_SWITCH_UP,
2081   EL_BALLOON_SWITCH_DOWN,
2082
2083   EL_SATELLITE,
2084   EL_EXPANDABLE_WALL_HORIZONTAL,
2085   EL_EXPANDABLE_WALL_VERTICAL,
2086   EL_EXPANDABLE_WALL_ANY,
2087
2088   EL_INVISIBLE_STEELWALL,
2089   EL_INVISIBLE_WALL,
2090   EL_SPEED_PILL,
2091   EL_BLACK_ORB,
2092
2093   EL_EMC_STEELWALL_1,
2094   EL_EMC_WALL_1,
2095   EL_EMC_WALL_2,
2096   EL_EMC_WALL_3,
2097
2098   EL_EMC_WALL_4,
2099   EL_EMC_WALL_5,
2100   EL_EMC_WALL_6,
2101   EL_EMC_WALL_7,
2102 };
2103 static int num_editor_hl_more = SIZEOF_ARRAY_INT(editor_hl_more);
2104 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
2105
2106 static int editor_hl_sokoban[] =
2107 {
2108   EL_CHAR('S'),
2109   EL_CHAR('O'),
2110   EL_CHAR('K'),
2111   EL_CHAR('O'),
2112
2113   EL_CHAR('-'),
2114   EL_CHAR('B'),
2115   EL_CHAR('A'),
2116   EL_CHAR('N'),
2117 };
2118
2119 static int editor_el_sokoban[] =
2120 {
2121   EL_SOKOBAN_OBJECT,
2122   EL_SOKOBAN_FIELD_EMPTY,
2123   EL_SOKOBAN_FIELD_FULL,
2124   EL_STEELWALL,
2125 };
2126 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
2127 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
2128
2129 static int editor_hl_supaplex[] =
2130 {
2131   EL_CHAR('S'),
2132   EL_CHAR('U'),
2133   EL_CHAR('P'),
2134   EL_CHAR('A'),
2135
2136   EL_CHAR('P'),
2137   EL_CHAR('L'),
2138   EL_CHAR('E'),
2139   EL_CHAR('X'),
2140 };
2141
2142 static int editor_el_supaplex[] =
2143 {
2144   EL_SP_EMPTY,
2145   EL_SP_ZONK,
2146   EL_SP_BASE,
2147   EL_SP_MURPHY,
2148
2149   EL_SP_INFOTRON,
2150   EL_SP_CHIP_SINGLE,
2151   EL_SP_HARDWARE_GRAY,
2152   EL_SP_EXIT_CLOSED,
2153
2154   EL_SP_DISK_ORANGE,
2155   EL_SP_PORT_RIGHT,
2156   EL_SP_PORT_DOWN,
2157   EL_SP_PORT_LEFT,
2158
2159   EL_SP_PORT_UP,
2160   EL_SP_GRAVITY_PORT_RIGHT,
2161   EL_SP_GRAVITY_PORT_DOWN,
2162   EL_SP_GRAVITY_PORT_LEFT,
2163
2164   EL_SP_GRAVITY_PORT_UP,
2165   EL_SP_SNIKSNAK,
2166   EL_SP_DISK_YELLOW,
2167   EL_SP_TERMINAL,
2168
2169   EL_SP_DISK_RED,
2170   EL_SP_PORT_VERTICAL,
2171   EL_SP_PORT_HORIZONTAL,
2172   EL_SP_PORT_ANY,
2173
2174   EL_SP_ELECTRON,
2175   EL_SP_BUGGY_BASE,
2176   EL_SP_CHIP_LEFT,
2177   EL_SP_CHIP_RIGHT,
2178
2179   EL_SP_HARDWARE_BASE_1,
2180   EL_SP_HARDWARE_GREEN,
2181   EL_SP_HARDWARE_BLUE,
2182   EL_SP_HARDWARE_RED,
2183
2184   EL_SP_HARDWARE_YELLOW,
2185   EL_SP_HARDWARE_BASE_2,
2186   EL_SP_HARDWARE_BASE_3,
2187   EL_SP_HARDWARE_BASE_4,
2188
2189   EL_SP_HARDWARE_BASE_5,
2190   EL_SP_HARDWARE_BASE_6,
2191   EL_SP_CHIP_TOP,
2192   EL_SP_CHIP_BOTTOM,
2193 };
2194 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
2195 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
2196
2197 static int editor_hl_diamond_caves[] =
2198 {
2199   EL_CHAR('D'),
2200   EL_CHAR('I'),
2201   EL_CHAR('A'),
2202   EL_CHAR('-'),
2203
2204   EL_CHAR('M'),
2205   EL_CHAR('O'),
2206   EL_CHAR('N'),
2207   EL_CHAR('D'),
2208
2209   EL_CHAR('C'),
2210   EL_CHAR('A'),
2211   EL_CHAR('V'),
2212   EL_CHAR('E'),
2213
2214   EL_CHAR('S'),
2215   EL_CHAR(' '),
2216   EL_CHAR('I'),
2217   EL_CHAR('I'),
2218 };
2219
2220 static int editor_el_diamond_caves[] =
2221 {
2222   EL_PEARL,
2223   EL_CRYSTAL,
2224   EL_WALL_PEARL,
2225   EL_WALL_CRYSTAL,
2226
2227   EL_CONVEYOR_BELT_1_LEFT,
2228   EL_CONVEYOR_BELT_1_MIDDLE,
2229   EL_CONVEYOR_BELT_1_RIGHT,
2230   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2231
2232   EL_CONVEYOR_BELT_2_LEFT,
2233   EL_CONVEYOR_BELT_2_MIDDLE,
2234   EL_CONVEYOR_BELT_2_RIGHT,
2235   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2236
2237   EL_CONVEYOR_BELT_3_LEFT,
2238   EL_CONVEYOR_BELT_3_MIDDLE,
2239   EL_CONVEYOR_BELT_3_RIGHT,
2240   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2241
2242   EL_CONVEYOR_BELT_4_LEFT,
2243   EL_CONVEYOR_BELT_4_MIDDLE,
2244   EL_CONVEYOR_BELT_4_RIGHT,
2245   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2246
2247   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2248   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2249   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2250   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2251
2252   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2253   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2254   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2255   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2256
2257   EL_SWITCHGATE_OPEN,
2258   EL_SWITCHGATE_CLOSED,
2259   EL_SWITCHGATE_SWITCH_UP,
2260   EL_ENVELOPE,
2261
2262   EL_TIMEGATE_CLOSED,
2263   EL_TIMEGATE_OPEN,
2264   EL_TIMEGATE_SWITCH,
2265   EL_EMPTY,
2266
2267   EL_LANDMINE,
2268   EL_INVISIBLE_SAND,
2269   EL_STEELWALL_SLIPPERY,
2270   EL_EMPTY,
2271
2272   EL_SIGN_EXCLAMATION,
2273   EL_SIGN_STOP,
2274   EL_LIGHT_SWITCH,
2275   EL_LIGHT_SWITCH_ACTIVE,
2276
2277   EL_SHIELD_NORMAL,
2278   EL_SHIELD_DEADLY,
2279   EL_EXTRA_TIME,
2280   EL_EMPTY,
2281 };
2282 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
2283 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
2284
2285 static int editor_hl_dx_boulderdash[] =
2286 {
2287   EL_CHAR('D'),
2288   EL_CHAR('X'),
2289   EL_CHAR('-'),
2290   EL_CHAR(' '),
2291
2292   EL_CHAR('B'),
2293   EL_CHAR('O'),
2294   EL_CHAR('U'),
2295   EL_CHAR('L'),
2296
2297   EL_CHAR('-'),
2298   EL_CHAR('D'),
2299   EL_CHAR('E'),
2300   EL_CHAR('R'),
2301
2302   EL_CHAR('D'),
2303   EL_CHAR('A'),
2304   EL_CHAR('S'),
2305   EL_CHAR('H'),
2306 };
2307
2308 static int editor_el_dx_boulderdash[] =
2309 {
2310   EL_SPRING,
2311   EL_TUBE_RIGHT_DOWN,
2312   EL_TUBE_HORIZONTAL_DOWN,
2313   EL_TUBE_LEFT_DOWN,
2314
2315   EL_TUBE_HORIZONTAL,
2316   EL_TUBE_VERTICAL_RIGHT,
2317   EL_TUBE_ANY,
2318   EL_TUBE_VERTICAL_LEFT,
2319
2320   EL_TUBE_VERTICAL,
2321   EL_TUBE_RIGHT_UP,
2322   EL_TUBE_HORIZONTAL_UP,
2323   EL_TUBE_LEFT_UP,
2324
2325   EL_TRAP,
2326   EL_DX_SUPABOMB,
2327   EL_EMPTY,
2328   EL_EMPTY
2329 };
2330 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
2331 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
2332
2333 static int editor_hl_chars[] =
2334 {
2335   EL_CHAR('T'),
2336   EL_CHAR('E'),
2337   EL_CHAR('X'),
2338   EL_CHAR('T'),
2339 };
2340
2341 static int editor_el_chars[] =
2342 {
2343   EL_CHAR(' '),
2344   EL_CHAR('!'),
2345   EL_CHAR('"'),
2346   EL_CHAR('#'),
2347
2348   EL_CHAR('$'),
2349   EL_CHAR('%'),
2350   EL_CHAR('&'),
2351   EL_CHAR('\''),
2352
2353   EL_CHAR('('),
2354   EL_CHAR(')'),
2355   EL_CHAR('*'),
2356   EL_CHAR('+'),
2357
2358   EL_CHAR(','),
2359   EL_CHAR('-'),
2360   EL_CHAR('.'),
2361   EL_CHAR('/'),
2362
2363   EL_CHAR('0'),
2364   EL_CHAR('1'),
2365   EL_CHAR('2'),
2366   EL_CHAR('3'),
2367
2368   EL_CHAR('4'),
2369   EL_CHAR('5'),
2370   EL_CHAR('6'),
2371   EL_CHAR('7'),
2372
2373   EL_CHAR('8'),
2374   EL_CHAR('9'),
2375   EL_CHAR(':'),
2376   EL_CHAR(';'),
2377
2378   EL_CHAR('<'),
2379   EL_CHAR('='),
2380   EL_CHAR('>'),
2381   EL_CHAR('?'),
2382
2383   EL_CHAR('@'),
2384   EL_CHAR('A'),
2385   EL_CHAR('B'),
2386   EL_CHAR('C'),
2387
2388   EL_CHAR('D'),
2389   EL_CHAR('E'),
2390   EL_CHAR('F'),
2391   EL_CHAR('G'),
2392
2393   EL_CHAR('H'),
2394   EL_CHAR('I'),
2395   EL_CHAR('J'),
2396   EL_CHAR('K'),
2397
2398   EL_CHAR('L'),
2399   EL_CHAR('M'),
2400   EL_CHAR('N'),
2401   EL_CHAR('O'),
2402
2403   EL_CHAR('P'),
2404   EL_CHAR('Q'),
2405   EL_CHAR('R'),
2406   EL_CHAR('S'),
2407
2408   EL_CHAR('T'),
2409   EL_CHAR('U'),
2410   EL_CHAR('V'),
2411   EL_CHAR('W'),
2412
2413   EL_CHAR('X'),
2414   EL_CHAR('Y'),
2415   EL_CHAR('Z'),
2416   EL_CHAR('['),
2417
2418   EL_CHAR('\\'),
2419   EL_CHAR(']'),
2420   EL_CHAR('^'),
2421   EL_CHAR('_'),
2422
2423   EL_CHAR('©'),
2424   EL_CHAR('Ä'),
2425   EL_CHAR('Ö'),
2426   EL_CHAR('Ü'),
2427
2428   EL_CHAR('°'),
2429   EL_CHAR('®'),
2430   EL_CHAR(FONT_ASCII_CURSOR),
2431   EL_CHAR(' ')
2432 };
2433 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
2434 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
2435
2436 static int editor_hl_custom[] =
2437 {
2438   EL_CHAR('C'),
2439   EL_CHAR('U'),
2440   EL_CHAR('S'),
2441   EL_CHAR('-'),
2442
2443   EL_CHAR('T'),
2444   EL_CHAR('O'),
2445   EL_CHAR('M'),
2446   EL_CHAR(' '),
2447
2448   EL_CHAR('E'),
2449   EL_CHAR('L'),
2450   EL_CHAR('E'),
2451   EL_CHAR('M'),
2452
2453   EL_CHAR('E'),
2454   EL_CHAR('N'),
2455   EL_CHAR('T'),
2456   EL_CHAR('S'),
2457 };
2458
2459 static int editor_el_custom[] =
2460 {
2461   EL_CUSTOM_START + 0,
2462   EL_CUSTOM_START + 1,
2463   EL_CUSTOM_START + 2,
2464   EL_CUSTOM_START + 3,
2465
2466   EL_CUSTOM_START + 4,
2467   EL_CUSTOM_START + 5,
2468   EL_CUSTOM_START + 6,
2469   EL_CUSTOM_START + 7,
2470
2471   EL_CUSTOM_START + 8,
2472   EL_CUSTOM_START + 9,
2473   EL_CUSTOM_START + 10,
2474   EL_CUSTOM_START + 11,
2475
2476   EL_CUSTOM_START + 12,
2477   EL_CUSTOM_START + 13,
2478   EL_CUSTOM_START + 14,
2479   EL_CUSTOM_START + 15,
2480
2481   EL_CUSTOM_START + 16,
2482   EL_CUSTOM_START + 17,
2483   EL_CUSTOM_START + 18,
2484   EL_CUSTOM_START + 19,
2485
2486   EL_CUSTOM_START + 20,
2487   EL_CUSTOM_START + 21,
2488   EL_CUSTOM_START + 22,
2489   EL_CUSTOM_START + 23,
2490
2491   EL_CUSTOM_START + 24,
2492   EL_CUSTOM_START + 25,
2493   EL_CUSTOM_START + 26,
2494   EL_CUSTOM_START + 27,
2495
2496   EL_CUSTOM_START + 28,
2497   EL_CUSTOM_START + 29,
2498   EL_CUSTOM_START + 30,
2499   EL_CUSTOM_START + 31,
2500
2501   EL_CUSTOM_START + 32,
2502   EL_CUSTOM_START + 33,
2503   EL_CUSTOM_START + 34,
2504   EL_CUSTOM_START + 35,
2505
2506   EL_CUSTOM_START + 36,
2507   EL_CUSTOM_START + 37,
2508   EL_CUSTOM_START + 38,
2509   EL_CUSTOM_START + 39,
2510
2511   EL_CUSTOM_START + 40,
2512   EL_CUSTOM_START + 41,
2513   EL_CUSTOM_START + 42,
2514   EL_CUSTOM_START + 43,
2515
2516   EL_CUSTOM_START + 44,
2517   EL_CUSTOM_START + 45,
2518   EL_CUSTOM_START + 46,
2519   EL_CUSTOM_START + 47,
2520
2521   EL_CUSTOM_START + 48,
2522   EL_CUSTOM_START + 49,
2523   EL_CUSTOM_START + 50,
2524   EL_CUSTOM_START + 51,
2525
2526   EL_CUSTOM_START + 52,
2527   EL_CUSTOM_START + 53,
2528   EL_CUSTOM_START + 54,
2529   EL_CUSTOM_START + 55,
2530
2531   EL_CUSTOM_START + 56,
2532   EL_CUSTOM_START + 57,
2533   EL_CUSTOM_START + 58,
2534   EL_CUSTOM_START + 59,
2535
2536   EL_CUSTOM_START + 60,
2537   EL_CUSTOM_START + 61,
2538   EL_CUSTOM_START + 62,
2539   EL_CUSTOM_START + 63,
2540
2541   EL_CUSTOM_START + 64,
2542   EL_CUSTOM_START + 65,
2543   EL_CUSTOM_START + 66,
2544   EL_CUSTOM_START + 67,
2545
2546   EL_CUSTOM_START + 68,
2547   EL_CUSTOM_START + 69,
2548   EL_CUSTOM_START + 70,
2549   EL_CUSTOM_START + 71,
2550
2551   EL_CUSTOM_START + 72,
2552   EL_CUSTOM_START + 73,
2553   EL_CUSTOM_START + 74,
2554   EL_CUSTOM_START + 75,
2555
2556   EL_CUSTOM_START + 76,
2557   EL_CUSTOM_START + 77,
2558   EL_CUSTOM_START + 78,
2559   EL_CUSTOM_START + 79,
2560
2561   EL_CUSTOM_START + 80,
2562   EL_CUSTOM_START + 81,
2563   EL_CUSTOM_START + 82,
2564   EL_CUSTOM_START + 83,
2565
2566   EL_CUSTOM_START + 84,
2567   EL_CUSTOM_START + 85,
2568   EL_CUSTOM_START + 86,
2569   EL_CUSTOM_START + 87,
2570
2571   EL_CUSTOM_START + 88,
2572   EL_CUSTOM_START + 89,
2573   EL_CUSTOM_START + 90,
2574   EL_CUSTOM_START + 91,
2575
2576   EL_CUSTOM_START + 92,
2577   EL_CUSTOM_START + 93,
2578   EL_CUSTOM_START + 94,
2579   EL_CUSTOM_START + 95,
2580
2581   EL_CUSTOM_START + 96,
2582   EL_CUSTOM_START + 97,
2583   EL_CUSTOM_START + 98,
2584   EL_CUSTOM_START + 99,
2585
2586   EL_CUSTOM_START + 100,
2587   EL_CUSTOM_START + 101,
2588   EL_CUSTOM_START + 102,
2589   EL_CUSTOM_START + 103,
2590
2591   EL_CUSTOM_START + 104,
2592   EL_CUSTOM_START + 105,
2593   EL_CUSTOM_START + 106,
2594   EL_CUSTOM_START + 107,
2595
2596   EL_CUSTOM_START + 108,
2597   EL_CUSTOM_START + 109,
2598   EL_CUSTOM_START + 110,
2599   EL_CUSTOM_START + 111,
2600
2601   EL_CUSTOM_START + 112,
2602   EL_CUSTOM_START + 113,
2603   EL_CUSTOM_START + 114,
2604   EL_CUSTOM_START + 115,
2605
2606   EL_CUSTOM_START + 116,
2607   EL_CUSTOM_START + 117,
2608   EL_CUSTOM_START + 118,
2609   EL_CUSTOM_START + 119,
2610
2611   EL_CUSTOM_START + 120,
2612   EL_CUSTOM_START + 121,
2613   EL_CUSTOM_START + 122,
2614   EL_CUSTOM_START + 123,
2615
2616   EL_CUSTOM_START + 124,
2617   EL_CUSTOM_START + 125,
2618   EL_CUSTOM_START + 126,
2619   EL_CUSTOM_START + 127
2620 };
2621 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
2622 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
2623
2624 static int editor_hl_custom_more[] =
2625 {
2626 };
2627
2628 static int editor_el_custom_more[] =
2629 {
2630   EL_CUSTOM_START + 128,
2631   EL_CUSTOM_START + 129,
2632   EL_CUSTOM_START + 130,
2633   EL_CUSTOM_START + 131,
2634
2635   EL_CUSTOM_START + 132,
2636   EL_CUSTOM_START + 133,
2637   EL_CUSTOM_START + 134,
2638   EL_CUSTOM_START + 135,
2639
2640   EL_CUSTOM_START + 136,
2641   EL_CUSTOM_START + 137,
2642   EL_CUSTOM_START + 138,
2643   EL_CUSTOM_START + 139,
2644
2645   EL_CUSTOM_START + 140,
2646   EL_CUSTOM_START + 141,
2647   EL_CUSTOM_START + 142,
2648   EL_CUSTOM_START + 143,
2649
2650   EL_CUSTOM_START + 144,
2651   EL_CUSTOM_START + 145,
2652   EL_CUSTOM_START + 146,
2653   EL_CUSTOM_START + 147,
2654
2655   EL_CUSTOM_START + 148,
2656   EL_CUSTOM_START + 149,
2657   EL_CUSTOM_START + 150,
2658   EL_CUSTOM_START + 151,
2659
2660   EL_CUSTOM_START + 152,
2661   EL_CUSTOM_START + 153,
2662   EL_CUSTOM_START + 154,
2663   EL_CUSTOM_START + 155,
2664
2665   EL_CUSTOM_START + 156,
2666   EL_CUSTOM_START + 157,
2667   EL_CUSTOM_START + 158,
2668   EL_CUSTOM_START + 159,
2669
2670   EL_CUSTOM_START + 160,
2671   EL_CUSTOM_START + 161,
2672   EL_CUSTOM_START + 162,
2673   EL_CUSTOM_START + 163,
2674
2675   EL_CUSTOM_START + 164,
2676   EL_CUSTOM_START + 165,
2677   EL_CUSTOM_START + 166,
2678   EL_CUSTOM_START + 167,
2679
2680   EL_CUSTOM_START + 168,
2681   EL_CUSTOM_START + 169,
2682   EL_CUSTOM_START + 170,
2683   EL_CUSTOM_START + 171,
2684
2685   EL_CUSTOM_START + 172,
2686   EL_CUSTOM_START + 173,
2687   EL_CUSTOM_START + 174,
2688   EL_CUSTOM_START + 175,
2689
2690   EL_CUSTOM_START + 176,
2691   EL_CUSTOM_START + 177,
2692   EL_CUSTOM_START + 178,
2693   EL_CUSTOM_START + 179,
2694
2695   EL_CUSTOM_START + 180,
2696   EL_CUSTOM_START + 181,
2697   EL_CUSTOM_START + 182,
2698   EL_CUSTOM_START + 183,
2699
2700   EL_CUSTOM_START + 184,
2701   EL_CUSTOM_START + 185,
2702   EL_CUSTOM_START + 186,
2703   EL_CUSTOM_START + 187,
2704
2705   EL_CUSTOM_START + 188,
2706   EL_CUSTOM_START + 189,
2707   EL_CUSTOM_START + 190,
2708   EL_CUSTOM_START + 191,
2709
2710   EL_CUSTOM_START + 192,
2711   EL_CUSTOM_START + 193,
2712   EL_CUSTOM_START + 194,
2713   EL_CUSTOM_START + 195,
2714
2715   EL_CUSTOM_START + 196,
2716   EL_CUSTOM_START + 197,
2717   EL_CUSTOM_START + 198,
2718   EL_CUSTOM_START + 199,
2719
2720   EL_CUSTOM_START + 200,
2721   EL_CUSTOM_START + 201,
2722   EL_CUSTOM_START + 202,
2723   EL_CUSTOM_START + 203,
2724
2725   EL_CUSTOM_START + 204,
2726   EL_CUSTOM_START + 205,
2727   EL_CUSTOM_START + 206,
2728   EL_CUSTOM_START + 207,
2729
2730   EL_CUSTOM_START + 208,
2731   EL_CUSTOM_START + 209,
2732   EL_CUSTOM_START + 210,
2733   EL_CUSTOM_START + 211,
2734
2735   EL_CUSTOM_START + 212,
2736   EL_CUSTOM_START + 213,
2737   EL_CUSTOM_START + 214,
2738   EL_CUSTOM_START + 215,
2739
2740   EL_CUSTOM_START + 216,
2741   EL_CUSTOM_START + 217,
2742   EL_CUSTOM_START + 218,
2743   EL_CUSTOM_START + 219,
2744
2745   EL_CUSTOM_START + 220,
2746   EL_CUSTOM_START + 221,
2747   EL_CUSTOM_START + 222,
2748   EL_CUSTOM_START + 223,
2749
2750   EL_CUSTOM_START + 224,
2751   EL_CUSTOM_START + 225,
2752   EL_CUSTOM_START + 226,
2753   EL_CUSTOM_START + 227,
2754
2755   EL_CUSTOM_START + 228,
2756   EL_CUSTOM_START + 229,
2757   EL_CUSTOM_START + 230,
2758   EL_CUSTOM_START + 231,
2759
2760   EL_CUSTOM_START + 232,
2761   EL_CUSTOM_START + 233,
2762   EL_CUSTOM_START + 234,
2763   EL_CUSTOM_START + 235,
2764
2765   EL_CUSTOM_START + 236,
2766   EL_CUSTOM_START + 237,
2767   EL_CUSTOM_START + 238,
2768   EL_CUSTOM_START + 239,
2769
2770   EL_CUSTOM_START + 240,
2771   EL_CUSTOM_START + 241,
2772   EL_CUSTOM_START + 242,
2773   EL_CUSTOM_START + 243,
2774
2775   EL_CUSTOM_START + 244,
2776   EL_CUSTOM_START + 245,
2777   EL_CUSTOM_START + 246,
2778   EL_CUSTOM_START + 247,
2779
2780   EL_CUSTOM_START + 248,
2781   EL_CUSTOM_START + 249,
2782   EL_CUSTOM_START + 250,
2783   EL_CUSTOM_START + 251,
2784
2785   EL_CUSTOM_START + 252,
2786   EL_CUSTOM_START + 253,
2787   EL_CUSTOM_START + 254,
2788   EL_CUSTOM_START + 255
2789 };
2790 static int num_editor_hl_custom_more = SIZEOF_ARRAY_INT(editor_hl_custom_more);
2791 static int num_editor_el_custom_more = SIZEOF_ARRAY_INT(editor_el_custom_more);
2792
2793 static int *editor_elements = NULL;     /* dynamically allocated */
2794 static int num_editor_elements = 0;     /* dynamically determined */
2795
2796 static struct
2797 {
2798   boolean *setup_value;
2799
2800   int *headline_list;
2801   int *headline_list_size;
2802
2803   int *element_list;
2804   int *element_list_size;
2805
2806   boolean last_setup_value;
2807 }
2808 editor_elements_info[] =
2809 {
2810   {
2811     &setup.editor.el_boulderdash,
2812     editor_hl_boulderdash,              &num_editor_hl_boulderdash,
2813     editor_el_boulderdash,              &num_editor_el_boulderdash
2814   },
2815   {
2816     &setup.editor.el_emerald_mine,
2817     editor_hl_emerald_mine,             &num_editor_hl_emerald_mine,
2818     editor_el_emerald_mine,             &num_editor_el_emerald_mine
2819   },
2820   {
2821     &setup.editor.el_more,
2822     editor_hl_more,                     &num_editor_hl_more,
2823     editor_el_more,                     &num_editor_el_more
2824   },
2825   {
2826     &setup.editor.el_sokoban,
2827     editor_hl_sokoban,                  &num_editor_hl_sokoban,
2828     editor_el_sokoban,                  &num_editor_el_sokoban
2829   },
2830   {
2831     &setup.editor.el_supaplex,
2832     editor_hl_supaplex,                 &num_editor_hl_supaplex,
2833     editor_el_supaplex,                 &num_editor_el_supaplex
2834   },
2835   {
2836     &setup.editor.el_diamond_caves,
2837     editor_hl_diamond_caves,            &num_editor_hl_diamond_caves,
2838     editor_el_diamond_caves,            &num_editor_el_diamond_caves
2839   },
2840   {
2841     &setup.editor.el_dx_boulderdash,
2842     editor_hl_dx_boulderdash,           &num_editor_hl_dx_boulderdash,
2843     editor_el_dx_boulderdash,           &num_editor_el_dx_boulderdash
2844   },
2845   {
2846     &setup.editor.el_chars,
2847     editor_hl_chars,                    &num_editor_hl_chars,
2848     editor_el_chars,                    &num_editor_el_chars
2849   },
2850   {
2851     &setup.editor.el_custom,
2852     editor_hl_custom,                   &num_editor_hl_custom,
2853     editor_el_custom,                   &num_editor_el_custom
2854   },
2855   {
2856     &setup.editor.el_custom_more,
2857     editor_hl_custom_more,              &num_editor_hl_custom_more,
2858     editor_el_custom_more,              &num_editor_el_custom_more
2859   },
2860   {
2861     NULL,
2862     NULL,                               NULL,
2863     NULL,                               NULL
2864   }
2865 };
2866
2867
2868 /*
2869   -----------------------------------------------------------------------------
2870   functions
2871   -----------------------------------------------------------------------------
2872 */
2873
2874 static void ReinitializeElementList()
2875 {
2876   int pos = 0;
2877   int i, j;
2878
2879   if (editor_elements != NULL)
2880     free(editor_elements);
2881
2882   num_editor_elements = 0;
2883
2884   /* determine size of element list */
2885   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2886   {
2887     if (*editor_elements_info[i].setup_value)
2888     {
2889       if (setup.editor.el_headlines)
2890         num_editor_elements += *editor_elements_info[i].headline_list_size;
2891
2892       num_editor_elements += *editor_elements_info[i].element_list_size;
2893     }
2894   }
2895
2896   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
2897   {
2898     /* workaround: offer at least as many elements as element buttons exist */
2899     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
2900
2901     *editor_elements_info[list_nr].setup_value = TRUE;
2902     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
2903   }
2904
2905   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
2906
2907   /* fill element list */
2908   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2909   {
2910     if (*editor_elements_info[i].setup_value)
2911     {
2912       if (setup.editor.el_headlines)
2913         for (j=0; j < *editor_elements_info[i].headline_list_size; j++)
2914           editor_elements[pos++] = editor_elements_info[i].headline_list[j];
2915
2916       for (j=0; j < *editor_elements_info[i].element_list_size; j++)
2917         editor_elements[pos++] = editor_elements_info[i].element_list[j];
2918     }
2919   }
2920
2921   /* correct position of element list scrollbar */
2922   if (element_shift < 0)
2923     element_shift = 0;
2924   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
2925     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
2926 }
2927
2928 static void ReinitializeElementListButtons()
2929 {
2930   static boolean last_setup_value_headlines = FALSE;
2931   static boolean initialization_needed = TRUE;
2932   int i;
2933
2934   if (!initialization_needed)   /* check if editor element setup has changed */
2935   {
2936     if (last_setup_value_headlines != setup.editor.el_headlines)
2937       initialization_needed = TRUE;
2938
2939     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2940       if (editor_elements_info[i].last_setup_value !=
2941           *editor_elements_info[i].setup_value)
2942         initialization_needed = TRUE;
2943   }
2944
2945   if (!initialization_needed)
2946     return;
2947
2948   FreeLevelEditorGadgets();
2949   CreateLevelEditorGadgets();
2950
2951   /* store current setup values for next invocation of this function */
2952   last_setup_value_headlines = setup.editor.el_headlines;
2953   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2954     editor_elements_info[i].last_setup_value =
2955       *editor_elements_info[i].setup_value;
2956
2957   initialization_needed = FALSE;
2958 }
2959
2960 static int getMaxInfoTextLength()
2961 {
2962   return (SXSIZE / getFontWidth(FONT_TEXT_2));
2963 }
2964
2965 static int getTextWidthForGadget(char *text)
2966 {
2967   if (text == NULL)
2968     return 0;
2969
2970   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
2971 }
2972
2973 static int getTextWidthForDrawingArea(char *text)
2974 {
2975   if (text == NULL)
2976     return 0;
2977
2978   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
2979 }
2980
2981 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
2982 {
2983   return (gi->x + gi->width + getTextWidthForGadget(text));
2984 }
2985
2986 static char *getElementInfoText(int element)
2987 {
2988   char *info_text = NULL;
2989
2990   if (element < NUM_FILE_ELEMENTS)
2991   {
2992     if (strlen(element_info[element].description) > 0)
2993       info_text = element_info[element].description;
2994     else if (element_info[element].custom_description != NULL)
2995       info_text = element_info[element].custom_description;
2996     else if (element_info[element].editor_description != NULL)
2997       info_text = element_info[element].editor_description;
2998   }
2999
3000   if (info_text == NULL)
3001   {
3002     info_text = "unknown";
3003
3004     Error(ERR_WARN, "no element description for element %d", element);
3005   }
3006
3007   return info_text;
3008 }
3009
3010 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
3011                               boolean input)
3012 {
3013   int border_graphic =
3014     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
3015   Bitmap *src_bitmap;
3016   int src_x, src_y;
3017   int num_mini_tilex = width / MINI_TILEX + 1;
3018   int num_mini_tiley = width / MINI_TILEY + 1;
3019   int x, y;
3020
3021   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3022
3023   for (y=0; y < num_mini_tiley; y++)
3024     for (x=0; x < num_mini_tilex; x++)
3025       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3026                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3027                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3028
3029   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3030 }
3031
3032 static void DrawDrawingArea(int id)
3033 {
3034   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
3035   int x, y;
3036
3037   if (id == ED_DRAWING_ID_RANDOM_BACKGROUND)
3038     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3039                        el2edimg(random_placement_background_element));
3040   else if (id == ED_DRAWING_ID_AMOEBA_CONTENT)
3041     DrawMiniGraphicExt(drawto, gi->x, gi->y, el2edimg(level.amoeba_content));
3042   else if (id == ED_DRAWING_ID_CUSTOM_GRAPHIC)
3043     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3044                        el2edimg(custom_element.gfx_element));
3045   else if (id == ED_DRAWING_ID_CUSTOM_CONTENT)
3046     for (y=0; y<3; y++)
3047       for (x=0; x<3; x++)
3048         DrawMiniGraphicExt(drawto,
3049                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3050                            el2edimg(custom_element.content[x][y]));
3051   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TARGET)
3052     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3053                        el2edimg(custom_element_change.target_element));
3054   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT)
3055     for (y=0; y < 3; y++)
3056       for (x=0; x < 3; x++)
3057         DrawMiniGraphicExt(drawto,
3058                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3059                            el2edimg(custom_element_change.content[x][y]));
3060   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER)
3061     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3062                        el2edimg(custom_element_change.trigger_element));
3063   else if (id >= ED_DRAWING_ID_ELEMENT_CONTENT_0 &&
3064            id <= ED_DRAWING_ID_ELEMENT_CONTENT_7)
3065   {
3066     int nr = id - ED_DRAWING_ID_ELEMENT_CONTENT_0;
3067
3068     for (y=0; y < 3; y++)
3069       for (x=0; x < 3; x++)
3070         DrawMiniGraphicExt(drawto,
3071                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3072                            el2edimg(level.yamyam_content[nr][x][y]));
3073   }
3074 }
3075
3076 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
3077 {
3078   int x,y;
3079   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
3080   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
3081
3082   BlitBitmap(drawto, drawto,
3083              SX + (dx == -1 ? MINI_TILEX : 0),
3084              SY + (dy == -1 ? MINI_TILEY : 0),
3085              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
3086              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
3087              SX + (dx == +1 ? MINI_TILEX : 0),
3088              SY + (dy == +1 ? MINI_TILEY : 0));
3089   if (dx)
3090   {
3091     x = (dx == 1 ? 0 : ed_fieldx - 1);
3092     for(y=0; y<ed_fieldy; y++)
3093       DrawMiniElementOrWall(x, y, from_x, from_y);
3094   }
3095   else if (dy)
3096   {
3097     y = (dy == 1 ? 0 : ed_fieldy - 1);
3098     for(x=0; x<ed_fieldx; x++)
3099       DrawMiniElementOrWall(x, y, from_x, from_y);
3100   }
3101
3102   redraw_mask |= REDRAW_FIELD;
3103   BackToFront();
3104 }
3105
3106 static void CreateControlButtons()
3107 {
3108   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3109   struct GadgetInfo *gi;
3110   unsigned long event_mask;
3111   int i;
3112
3113   /* create toolbox buttons */
3114   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
3115   {
3116     int id = i;
3117     int width, height;
3118     int gd_xoffset, gd_yoffset;
3119     int gd_x1, gd_x2, gd_y1, gd_y2;
3120     int button_type;
3121     int radio_button_nr;
3122     boolean checked;
3123
3124     if (id == GADGET_ID_SINGLE_ITEMS ||
3125         id == GADGET_ID_CONNECTED_ITEMS ||
3126         id == GADGET_ID_LINE ||
3127         id == GADGET_ID_ARC ||
3128         id == GADGET_ID_TEXT ||
3129         id == GADGET_ID_RECTANGLE ||
3130         id == GADGET_ID_FILLED_BOX ||
3131         id == GADGET_ID_FLOOD_FILL ||
3132         id == GADGET_ID_GRAB_BRUSH ||
3133         id == GADGET_ID_PICK_ELEMENT)
3134     {
3135       button_type = GD_TYPE_RADIO_BUTTON;
3136       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
3137       checked = (id == drawing_function ? TRUE : FALSE);
3138       event_mask = GD_EVENT_PRESSED;
3139     }
3140     else
3141     {
3142       button_type = GD_TYPE_NORMAL_BUTTON;
3143       radio_button_nr = RADIO_NR_NONE;
3144       checked = FALSE;
3145
3146       if (id == GADGET_ID_WRAP_LEFT ||
3147           id == GADGET_ID_WRAP_RIGHT ||
3148           id == GADGET_ID_WRAP_UP ||
3149           id == GADGET_ID_WRAP_DOWN)
3150         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3151       else
3152         event_mask = GD_EVENT_RELEASED;
3153     }
3154
3155     if (id < ED_NUM_CTRL1_BUTTONS)
3156     {
3157       int x = i % ED_CTRL1_BUTTONS_HORIZ;
3158       int y = i / ED_CTRL1_BUTTONS_HORIZ;
3159
3160       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
3161       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
3162       width = ED_CTRL1_BUTTON_XSIZE;
3163       height = ED_CTRL1_BUTTON_YSIZE;
3164     }
3165     else
3166     {
3167       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
3168       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
3169
3170       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
3171       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
3172       width = ED_CTRL2_BUTTON_XSIZE;
3173       height = ED_CTRL2_BUTTON_YSIZE;
3174     }
3175
3176     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
3177     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
3178     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
3179     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
3180
3181     gi = CreateGadget(GDI_CUSTOM_ID, id,
3182                       GDI_CUSTOM_TYPE_ID, i,
3183                       GDI_INFO_TEXT, control_info[i].text,
3184                       GDI_X, EX + gd_xoffset,
3185                       GDI_Y, EY + gd_yoffset,
3186                       GDI_WIDTH, width,
3187                       GDI_HEIGHT, height,
3188                       GDI_TYPE, button_type,
3189                       GDI_STATE, GD_BUTTON_UNPRESSED,
3190                       GDI_RADIO_NR, radio_button_nr,
3191                       GDI_CHECKED, checked,
3192                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3193                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3194                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3195                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3196                       GDI_EVENT_MASK, event_mask,
3197                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3198                       GDI_CALLBACK_ACTION, HandleControlButtons,
3199                       GDI_END);
3200
3201     if (gi == NULL)
3202       Error(ERR_EXIT, "cannot create gadget");
3203
3204     level_editor_gadget[id] = gi;
3205   }
3206
3207   /* create buttons for scrolling of drawing area and element list */
3208   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
3209   {
3210     int id = scrollbutton_info[i].gadget_id;
3211     int x, y, width, height;
3212     int gd_x1, gd_x2, gd_y1, gd_y2;
3213
3214     x = scrollbutton_info[i].x;
3215     y = scrollbutton_info[i].y;
3216
3217     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3218
3219     if (id == GADGET_ID_SCROLL_LIST_UP ||
3220         id == GADGET_ID_SCROLL_LIST_DOWN)
3221     {
3222       x += DX;
3223       y += DY;
3224       width = ED_SCROLLBUTTON2_XSIZE;
3225       height = ED_SCROLLBUTTON2_YSIZE;
3226       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
3227       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
3228       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
3229       gd_y2 = gd_y1;
3230     }
3231     else
3232     {
3233       x += SX;
3234       y += SY;
3235       width = ED_SCROLLBUTTON_XSIZE;
3236       height = ED_SCROLLBUTTON_YSIZE;
3237       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
3238       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
3239       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
3240       gd_y2 = gd_y1;
3241     }
3242
3243     gi = CreateGadget(GDI_CUSTOM_ID, id,
3244                       GDI_CUSTOM_TYPE_ID, i,
3245                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
3246                       GDI_X, x,
3247                       GDI_Y, y,
3248                       GDI_WIDTH, width,
3249                       GDI_HEIGHT, height,
3250                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3251                       GDI_STATE, GD_BUTTON_UNPRESSED,
3252                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3253                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3254                       GDI_EVENT_MASK, event_mask,
3255                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3256                       GDI_CALLBACK_ACTION, HandleControlButtons,
3257                       GDI_END);
3258
3259     if (gi == NULL)
3260       Error(ERR_EXIT, "cannot create gadget");
3261
3262     level_editor_gadget[id] = gi;
3263   }
3264
3265   /* create buttons for element list */
3266   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3267   {
3268     Bitmap *deco_bitmap;
3269     int deco_x, deco_y, deco_xpos, deco_ypos;
3270     int gd_xoffset, gd_yoffset;
3271     int gd_x1, gd_x2, gd_y;
3272     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
3273     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
3274     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
3275     int element = editor_elements[i];
3276
3277     event_mask = GD_EVENT_RELEASED;
3278
3279     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
3280     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
3281
3282     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
3283     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
3284     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
3285
3286     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
3287     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
3288     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
3289
3290     gi = CreateGadget(GDI_CUSTOM_ID, id,
3291                       GDI_CUSTOM_TYPE_ID, i,
3292                       GDI_INFO_TEXT, getElementInfoText(element),
3293                       GDI_X, DX + gd_xoffset,
3294                       GDI_Y, DY + gd_yoffset,
3295                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
3296                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
3297                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3298                       GDI_STATE, GD_BUTTON_UNPRESSED,
3299                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3300                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3301                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
3302                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
3303                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
3304                       GDI_DECORATION_SHIFTING, 1, 1,
3305                       GDI_EVENT_MASK, event_mask,
3306                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3307                       GDI_CALLBACK_ACTION, HandleControlButtons,
3308                       GDI_END);
3309
3310     if (gi == NULL)
3311       Error(ERR_EXIT, "cannot create gadget");
3312
3313     level_editor_gadget[id] = gi;
3314   }
3315 }
3316
3317 static void CreateCounterButtons()
3318 {
3319   int max_infotext_len = getMaxInfoTextLength();
3320   int i;
3321
3322   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
3323   {
3324     int j;
3325     int x = SX + counterbutton_info[i].x;       /* down count button */
3326     int y = SY + counterbutton_info[i].y;
3327
3328     /* determine horizontal position to the right of specified gadget */
3329     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3330       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
3331            ED_GADGET_TEXT_DISTANCE);
3332
3333     /* determine horizontal offset for leading text */
3334     if (counterbutton_info[i].text_left != NULL)
3335       x += getTextWidthForGadget(counterbutton_info[i].text_left);
3336
3337     for (j=0; j<2; j++)
3338     {
3339       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3340       struct GadgetInfo *gi;
3341       int id = (j == 0 ?
3342                 counterbutton_info[i].gadget_id_down :
3343                 counterbutton_info[i].gadget_id_up);
3344       int gd_xoffset;
3345       int gd_x, gd_x1, gd_x2, gd_y;
3346       int x_size, y_size;
3347       unsigned long event_mask;
3348       char infotext[max_infotext_len + 1];
3349
3350       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3351
3352       if (i == ED_COUNTER_ID_SELECT_LEVEL)
3353       {
3354         int sid = (j == 0 ?
3355                    ED_SCROLLBUTTON_ID_AREA_LEFT :
3356                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
3357
3358         event_mask |= GD_EVENT_RELEASED;
3359
3360         if (j == 1)
3361           x += 2 * ED_GADGET_DISTANCE;
3362         y += ED_GADGET_DISTANCE;
3363
3364         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
3365         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
3366         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
3367         x_size = ED_SCROLLBUTTON_XSIZE;
3368         y_size = ED_SCROLLBUTTON_YSIZE;
3369       }
3370       else
3371       {
3372         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
3373         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
3374         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
3375         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
3376         x_size = ED_BUTTON_COUNT_XSIZE;
3377         y_size = ED_BUTTON_COUNT_YSIZE;
3378       }
3379
3380       sprintf(infotext, "%s counter value by 1, 5 or 10",
3381               (j == 0 ? "decrease" : "increase"));
3382
3383       gi = CreateGadget(GDI_CUSTOM_ID, id,
3384                         GDI_CUSTOM_TYPE_ID, i,
3385                         GDI_INFO_TEXT, infotext,
3386                         GDI_X, x,
3387                         GDI_Y, y,
3388                         GDI_WIDTH, x_size,
3389                         GDI_HEIGHT, y_size,
3390                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3391                         GDI_STATE, GD_BUTTON_UNPRESSED,
3392                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3393                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3394                         GDI_EVENT_MASK, event_mask,
3395                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3396                         GDI_CALLBACK_ACTION, HandleCounterButtons,
3397                         GDI_END);
3398
3399       if (gi == NULL)
3400         Error(ERR_EXIT, "cannot create gadget");
3401
3402       level_editor_gadget[id] = gi;
3403       right_gadget_border[id] =
3404         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
3405
3406       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
3407
3408       if (j == 0)
3409       {
3410         int font_type = FONT_INPUT_1;
3411         int font_type_active = FONT_INPUT_1_ACTIVE;
3412         int gd_width = ED_WIN_COUNT_XSIZE;
3413
3414         id = counterbutton_info[i].gadget_id_text;
3415         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3416
3417         if (i == ED_COUNTER_ID_SELECT_LEVEL)
3418         {
3419           font_type = FONT_LEVEL_NUMBER;
3420           font_type_active = FONT_LEVEL_NUMBER;
3421
3422           x += 2 * ED_GADGET_DISTANCE;
3423           y -= ED_GADGET_DISTANCE;
3424
3425           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
3426           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
3427           gd_width = ED_WIN_COUNT2_XSIZE;
3428         }
3429         else
3430         {
3431           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3432           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3433         }
3434
3435         gi = CreateGadget(GDI_CUSTOM_ID, id,
3436                           GDI_CUSTOM_TYPE_ID, i,
3437                           GDI_INFO_TEXT, "enter counter value",
3438                           GDI_X, x,
3439                           GDI_Y, y,
3440                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
3441                           GDI_NUMBER_VALUE, 0,
3442                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
3443                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
3444                           GDI_TEXT_SIZE, 3,
3445                           GDI_TEXT_FONT, font_type,
3446                           GDI_TEXT_FONT_ACTIVE, font_type_active,
3447                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3448                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3449                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3450                           GDI_DESIGN_WIDTH, gd_width,
3451                           GDI_EVENT_MASK, event_mask,
3452                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3453                           GDI_CALLBACK_ACTION, HandleCounterButtons,
3454                           GDI_END);
3455
3456         if (gi == NULL)
3457           Error(ERR_EXIT, "cannot create gadget");
3458
3459         level_editor_gadget[id] = gi;
3460         right_gadget_border[id] =
3461           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
3462
3463         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
3464       }
3465     }
3466   }
3467 }
3468
3469 static void CreateDrawingAreas()
3470 {
3471   int i;
3472
3473   for (i=0; i<ED_NUM_DRAWING_AREAS; i++)
3474   {
3475     struct GadgetInfo *gi;
3476     unsigned long event_mask;
3477     int id = drawingarea_info[i].gadget_id;
3478     int x = SX + drawingarea_info[i].x;
3479     int y = SY + drawingarea_info[i].y;
3480     int area_xsize = drawingarea_info[i].area_xsize;
3481     int area_ysize = drawingarea_info[i].area_ysize;
3482
3483     event_mask =
3484       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
3485       GD_EVENT_OFF_BORDERS;
3486
3487     /* determine horizontal position to the right of specified gadget */
3488     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
3489       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
3490            ED_DRAWINGAREA_TEXT_DISTANCE);
3491
3492     /* determine horizontal offset for leading text */
3493     if (drawingarea_info[i].text_left != NULL)
3494       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
3495
3496     gi = CreateGadget(GDI_CUSTOM_ID, id,
3497                       GDI_CUSTOM_TYPE_ID, i,
3498                       GDI_X, x,
3499                       GDI_Y, y,
3500                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
3501                       GDI_AREA_SIZE, area_xsize, area_ysize,
3502                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
3503                       GDI_EVENT_MASK, event_mask,
3504                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
3505                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
3506                       GDI_END);
3507
3508     if (gi == NULL)
3509       Error(ERR_EXIT, "cannot create gadget");
3510
3511     level_editor_gadget[id] = gi;
3512     right_gadget_border[id] =
3513       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
3514   }
3515 }
3516
3517 static void CreateTextInputGadgets()
3518 {
3519   int max_infotext_len = getMaxInfoTextLength();
3520   int i;
3521
3522   for (i=0; i<ED_NUM_TEXTINPUT; i++)
3523   {
3524     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3525     int gd_x, gd_y;
3526     struct GadgetInfo *gi;
3527     unsigned long event_mask;
3528     char infotext[MAX_OUTPUT_LINESIZE + 1];
3529     int id = textinput_info[i].gadget_id;
3530
3531     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3532
3533     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3534     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3535
3536     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
3537     infotext[max_infotext_len] = '\0';
3538
3539     gi = CreateGadget(GDI_CUSTOM_ID, id,
3540                       GDI_CUSTOM_TYPE_ID, i,
3541                       GDI_INFO_TEXT, infotext,
3542                       GDI_X, SX + textinput_info[i].x,
3543                       GDI_Y, SY + textinput_info[i].y,
3544                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
3545                       GDI_TEXT_VALUE, textinput_info[i].value,
3546                       GDI_TEXT_SIZE, textinput_info[i].size,
3547                       GDI_TEXT_FONT, FONT_INPUT_1,
3548                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3549                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3550                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3551                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3552                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3553                       GDI_EVENT_MASK, event_mask,
3554                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3555                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
3556                       GDI_END);
3557
3558     if (gi == NULL)
3559       Error(ERR_EXIT, "cannot create gadget");
3560
3561     level_editor_gadget[id] = gi;
3562   }
3563 }
3564
3565 static void CreateTextAreaGadgets()
3566 {
3567   int max_infotext_len = getMaxInfoTextLength();
3568   int i;
3569
3570   for (i=0; i<ED_NUM_TEXTAREAS; i++)
3571   {
3572     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3573     int gd_x, gd_y;
3574     struct GadgetInfo *gi;
3575     unsigned long event_mask;
3576     char infotext[MAX_OUTPUT_LINESIZE + 1];
3577     int id = textarea_info[i].gadget_id;
3578     int area_xsize = textarea_info[i].xsize;
3579     int area_ysize = textarea_info[i].ysize;
3580
3581     event_mask = GD_EVENT_TEXT_LEAVING;
3582
3583     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3584     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3585
3586     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
3587     infotext[max_infotext_len] = '\0';
3588
3589     gi = CreateGadget(GDI_CUSTOM_ID, id,
3590                       GDI_CUSTOM_TYPE_ID, i,
3591                       GDI_INFO_TEXT, infotext,
3592                       GDI_X, SX + textarea_info[i].x,
3593                       GDI_Y, SY + textarea_info[i].y,
3594                       GDI_TYPE, GD_TYPE_TEXT_AREA,
3595                       GDI_AREA_SIZE, area_xsize, area_ysize,
3596                       GDI_TEXT_FONT, FONT_INPUT_1,
3597                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3598                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3599                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3600                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3601                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3602                       GDI_EVENT_MASK, event_mask,
3603                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3604                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
3605                       GDI_END);
3606
3607     if (gi == NULL)
3608       Error(ERR_EXIT, "cannot create gadget");
3609
3610     level_editor_gadget[id] = gi;
3611   }
3612 }
3613
3614 static void CreateSelectboxGadgets()
3615 {
3616   int max_infotext_len = getMaxInfoTextLength();
3617   int i, j;
3618
3619   for (i=0; i<ED_NUM_SELECTBOX; i++)
3620   {
3621     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3622     int gd_x, gd_y;
3623     struct GadgetInfo *gi;
3624     unsigned long event_mask;
3625     char infotext[MAX_OUTPUT_LINESIZE + 1];
3626     int id = selectbox_info[i].gadget_id;
3627     int x = SX + selectbox_info[i].x;
3628     int y = SY + selectbox_info[i].y;
3629
3630     if (selectbox_info[i].size == -1)   /* dynamically determine size */
3631     {
3632       /* (we cannot use -1 for uninitialized values if we directly compare
3633          with results from strlen(), because the '<' and '>' operation will
3634          implicitely cast -1 to an unsigned integer value!) */
3635       selectbox_info[i].size = 0;
3636
3637       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
3638         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
3639           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
3640
3641       selectbox_info[i].size++;         /* add one character empty space */
3642     }
3643
3644     event_mask = GD_EVENT_RELEASED |
3645       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3646
3647     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
3648     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
3649
3650     /* determine horizontal position to the right of specified gadget */
3651     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
3652       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
3653            ED_GADGET_TEXT_DISTANCE);
3654
3655     /* determine horizontal offset for leading text */
3656     if (selectbox_info[i].text_left != NULL)
3657       x += getTextWidthForGadget(selectbox_info[i].text_left);
3658
3659     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
3660     infotext[max_infotext_len] = '\0';
3661
3662     gi = CreateGadget(GDI_CUSTOM_ID, id,
3663                       GDI_CUSTOM_TYPE_ID, i,
3664                       GDI_INFO_TEXT, infotext,
3665                       GDI_X, x,
3666                       GDI_Y, y,
3667                       GDI_TYPE, GD_TYPE_SELECTBOX,
3668                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
3669                       GDI_TEXT_SIZE, selectbox_info[i].size,
3670                       GDI_TEXT_FONT, FONT_INPUT_1,
3671                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3672                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3673                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3674                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3675                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
3676                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3677                       GDI_EVENT_MASK, event_mask,
3678                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3679                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
3680                       GDI_END);
3681
3682     if (gi == NULL)
3683       Error(ERR_EXIT, "cannot create gadget");
3684
3685     level_editor_gadget[id] = gi;
3686     right_gadget_border[id] =
3687       getRightGadgetBorder(gi, selectbox_info[i].text_right);
3688   }
3689 }
3690
3691 static void CreateTextbuttonGadgets()
3692 {
3693   int max_infotext_len = getMaxInfoTextLength();
3694   int i;
3695
3696   for (i=0; i<ED_NUM_TEXTBUTTONS; i++)
3697   {
3698     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3699     int gd_x1, gd_x2, gd_y1, gd_y2;
3700     struct GadgetInfo *gi;
3701     unsigned long event_mask;
3702     char infotext[MAX_OUTPUT_LINESIZE + 1];
3703     int id = textbutton_info[i].gadget_id;
3704     int x = SX + textbutton_info[i].x;
3705     int y = SY + textbutton_info[i].y;
3706
3707     if (textbutton_info[i].size == -1)  /* dynamically determine size */
3708       textbutton_info[i].size = strlen(textbutton_info[i].text);
3709
3710     event_mask = GD_EVENT_RELEASED;
3711
3712     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
3713     {
3714       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
3715       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
3716       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
3717       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
3718     }
3719     else
3720     {
3721       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
3722       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
3723       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
3724       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
3725     }
3726
3727     sprintf(infotext, "%s", textbutton_info[i].infotext);
3728     infotext[max_infotext_len] = '\0';
3729
3730     /* determine horizontal position to the right of specified gadget */
3731     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3732       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
3733            ED_GADGET_TEXT_DISTANCE);
3734
3735     /* determine horizontal offset for leading text */
3736     if (textbutton_info[i].text_left != NULL)
3737       x += getTextWidthForGadget(textbutton_info[i].text_left);
3738
3739     gi = CreateGadget(GDI_CUSTOM_ID, id,
3740                       GDI_CUSTOM_TYPE_ID, i,
3741                       GDI_INFO_TEXT, infotext,
3742                       GDI_X, x,
3743                       GDI_Y, y,
3744                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
3745                       GDI_TEXT_VALUE, textbutton_info[i].text,
3746                       GDI_TEXT_SIZE, textbutton_info[i].size,
3747                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
3748                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
3749                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3750                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3751                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3752                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
3753                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3754                       GDI_DECORATION_SHIFTING, 1, 1,
3755                       GDI_EVENT_MASK, event_mask,
3756                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3757                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
3758                       GDI_END);
3759
3760     if (gi == NULL)
3761       Error(ERR_EXIT, "cannot create gadget");
3762
3763     level_editor_gadget[id] = gi;
3764     right_gadget_border[id] =
3765       getRightGadgetBorder(gi, textbutton_info[i].text_right);
3766   }
3767 }
3768
3769 static void CreateGraphicbuttonGadgets()
3770 {
3771   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3772   struct GadgetInfo *gi;
3773   unsigned long event_mask;
3774   int i;
3775
3776   /* create buttons for scrolling of drawing area and element list */
3777   for (i=0; i < ED_NUM_GRAPHICBUTTONS; i++)
3778   {
3779     int id = graphicbutton_info[i].gadget_id;
3780     int gd_x1, gd_x2, gd_y1, gd_y2;
3781     int x = SX + graphicbutton_info[i].x;
3782     int y = SY + graphicbutton_info[i].y;
3783
3784     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3785
3786     gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
3787     gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
3788     gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
3789     gd_y2 = gd_y1;
3790
3791     /* determine horizontal position to the right of specified gadget */
3792     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3793       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
3794            ED_GADGET_TEXT_DISTANCE);
3795
3796     /* determine horizontal offset for leading text */
3797     if (graphicbutton_info[i].text_left != NULL)
3798       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
3799
3800     gi = CreateGadget(GDI_CUSTOM_ID, id,
3801                       GDI_CUSTOM_TYPE_ID, i,
3802                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
3803                       GDI_X, x,
3804                       GDI_Y, y,
3805                       GDI_WIDTH, graphicbutton_info[i].width,
3806                       GDI_HEIGHT, graphicbutton_info[i].height,
3807                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3808                       GDI_STATE, GD_BUTTON_UNPRESSED,
3809                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3810                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3811                       GDI_EVENT_MASK, event_mask,
3812                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3813                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
3814                       GDI_END);
3815
3816     if (gi == NULL)
3817       Error(ERR_EXIT, "cannot create gadget");
3818
3819     level_editor_gadget[id] = gi;
3820     right_gadget_border[id] =
3821       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
3822   }
3823 }
3824
3825 static void CreateScrollbarGadgets()
3826 {
3827   int i;
3828
3829   for (i=0; i<ED_NUM_SCROLLBARS; i++)
3830   {
3831     int id = scrollbar_info[i].gadget_id;
3832     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3833     int gd_x1, gd_x2, gd_y1, gd_y2;
3834     struct GadgetInfo *gi;
3835     int items_max, items_visible, item_position;
3836     unsigned long event_mask;
3837
3838     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
3839     {
3840       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
3841       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
3842       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
3843     }
3844     else        /* drawing area scrollbars */
3845     {
3846       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
3847       {
3848         items_max = MAX(lev_fieldx + 2, ed_fieldx);
3849         items_visible = ed_fieldx;
3850         item_position = 0;
3851       }
3852       else
3853       {
3854         items_max = MAX(lev_fieldy + 2, ed_fieldy);
3855         items_visible = ed_fieldy;
3856         item_position = 0;
3857       }
3858     }
3859
3860     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
3861
3862     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
3863     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
3864                       scrollbar_info[i].height : scrollbar_info[i].width));
3865     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3866     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3867
3868     gi = CreateGadget(GDI_CUSTOM_ID, id,
3869                       GDI_CUSTOM_TYPE_ID, i,
3870                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
3871                       GDI_X, scrollbar_info[i].x,
3872                       GDI_Y, scrollbar_info[i].y,
3873                       GDI_WIDTH, scrollbar_info[i].width,
3874                       GDI_HEIGHT, scrollbar_info[i].height,
3875                       GDI_TYPE, scrollbar_info[i].type,
3876                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
3877                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3878                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
3879                       GDI_STATE, GD_BUTTON_UNPRESSED,
3880                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3881                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3882                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3883                       GDI_EVENT_MASK, event_mask,
3884                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3885                       GDI_CALLBACK_ACTION, HandleControlButtons,
3886                       GDI_END);
3887
3888     if (gi == NULL)
3889       Error(ERR_EXIT, "cannot create gadget");
3890
3891     level_editor_gadget[id] = gi;
3892   }
3893 }
3894
3895 static void CreateCheckbuttonGadgets()
3896 {
3897   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3898   struct GadgetInfo *gi;
3899   unsigned long event_mask;
3900   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3901   int i;
3902
3903   event_mask = GD_EVENT_PRESSED;
3904
3905   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3906   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3907   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3908   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3909   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3910
3911   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
3912   {
3913     int id = checkbutton_info[i].gadget_id;
3914     int x = SX + checkbutton_info[i].x;
3915     int y = SY + checkbutton_info[i].y;
3916
3917     if (id == GADGET_ID_STICK_ELEMENT)
3918       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
3919     else
3920       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
3921
3922     /* determine horizontal position to the right of specified gadget */
3923     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3924       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
3925            ED_GADGET_TEXT_DISTANCE);
3926
3927     /* determine horizontal offset for leading text */
3928     if (checkbutton_info[i].text_left != NULL)
3929       x += getTextWidthForGadget(checkbutton_info[i].text_left);
3930
3931     gi = CreateGadget(GDI_CUSTOM_ID, id,
3932                       GDI_CUSTOM_TYPE_ID, i,
3933                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
3934                       GDI_X, x,
3935                       GDI_Y, y,
3936                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3937                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3938                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
3939                       GDI_CHECKED, *checkbutton_info[i].value,
3940                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3941                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3942                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3943                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3944                       GDI_EVENT_MASK, event_mask,
3945                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3946                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
3947                       GDI_END);
3948
3949     if (gi == NULL)
3950       Error(ERR_EXIT, "cannot create gadget");
3951
3952     level_editor_gadget[id] = gi;
3953     right_gadget_border[id] =
3954       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
3955   }
3956 }
3957
3958 static void CreateRadiobuttonGadgets()
3959 {
3960   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3961   struct GadgetInfo *gi;
3962   unsigned long event_mask;
3963   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3964   int i;
3965
3966   event_mask = GD_EVENT_PRESSED;
3967
3968   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3969   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3970   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3971   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3972   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3973
3974   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
3975   {
3976     int id = radiobutton_info[i].gadget_id;
3977     int x = SX + radiobutton_info[i].x;
3978     int y = SY + radiobutton_info[i].y;
3979
3980     int checked =
3981       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3982
3983     /* determine horizontal position to the right of specified gadget */
3984     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
3985       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
3986            ED_GADGET_TEXT_DISTANCE);
3987
3988     /* determine horizontal offset for leading text */
3989     if (radiobutton_info[i].text_left != NULL)
3990       x += getTextWidthForGadget(radiobutton_info[i].text_left);
3991
3992     gi = CreateGadget(GDI_CUSTOM_ID, id,
3993                       GDI_CUSTOM_TYPE_ID, i,
3994                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
3995                       GDI_X, x,
3996                       GDI_Y, y,
3997                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3998                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3999                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
4000                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
4001                       GDI_CHECKED, checked,
4002                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4003                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4004                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
4005                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
4006                       GDI_EVENT_MASK, event_mask,
4007                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4008                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
4009                       GDI_END);
4010
4011     if (gi == NULL)
4012       Error(ERR_EXIT, "cannot create gadget");
4013
4014     level_editor_gadget[id] = gi;
4015     right_gadget_border[id] =
4016       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
4017   }
4018 }
4019
4020 void CreateLevelEditorGadgets()
4021 {
4022   int old_game_status = game_status;
4023
4024   /* setting 'game_status' is needed to get the right fonts for the editor */
4025   game_status = GAME_MODE_EDITOR;
4026
4027   ReinitializeElementList();
4028
4029   CreateControlButtons();
4030   CreateScrollbarGadgets();
4031
4032   /* order of function calls is important because of cross-references */
4033   CreateCheckbuttonGadgets();
4034   CreateCounterButtons();
4035   CreateRadiobuttonGadgets();
4036   CreateTextInputGadgets();
4037   CreateTextAreaGadgets();
4038   CreateSelectboxGadgets();
4039   CreateGraphicbuttonGadgets();
4040   CreateTextbuttonGadgets();
4041   CreateDrawingAreas();
4042
4043   game_status = old_game_status;
4044 }
4045
4046 void FreeLevelEditorGadgets()
4047 {
4048   int i;
4049
4050   for (i=0; i<NUM_EDITOR_GADGETS; i++)
4051     FreeGadget(level_editor_gadget[i]);
4052 }
4053
4054 static void MapCounterButtons(int id)
4055 {
4056   int gadget_id_down = counterbutton_info[id].gadget_id_down;
4057   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
4058   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
4059   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
4060 #if 0
4061   char infotext[MAX_OUTPUT_LINESIZE + 1];
4062   int max_infotext_len = getMaxInfoTextLength();
4063   int xoffset_left = 0;
4064   int yoffset_left = ED_BORDER_SIZE;
4065   int xoffset_right = getCounterGadgetWidth();
4066   int yoffset_right = ED_BORDER_SIZE;
4067 #else
4068   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
4069   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4070   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
4071   int yoffset = ED_BORDER_SIZE;
4072   int x_left = gi_down->x - xoffset_left;
4073   int x_right = gi_up->x + gi_up->width + xoffset_right;
4074   int y_above = gi_down->y - yoffset_above;
4075   int x = gi_down->x;
4076   int y = gi_up->y + yoffset;
4077 #endif
4078
4079   if (counterbutton_info[id].text_above)
4080     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
4081
4082   if (counterbutton_info[id].text_left)
4083     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
4084
4085   if (counterbutton_info[id].text_right)
4086     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
4087
4088   ModifyEditorCounter(id, *counterbutton_info[id].value);
4089
4090   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
4091   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
4092   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
4093 }
4094
4095 static void MapControlButtons()
4096 {
4097   int counter_id;
4098   int i;
4099
4100   /* map toolbox buttons */
4101   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
4102     MapGadget(level_editor_gadget[i]);
4103
4104   /* map buttons to select elements */
4105   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4106     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
4107   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
4108   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
4109   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
4110
4111   /* map buttons to select level */
4112   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
4113   ModifyEditorCounterLimits(counter_id,
4114                             leveldir_current->first_level,
4115                             leveldir_current->last_level);
4116   MapCounterButtons(counter_id);
4117 }
4118
4119 static void MapDrawingArea(int id)
4120 {
4121   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
4122   int area_xsize = gi->drawing.area_xsize;
4123   int area_ysize = gi->drawing.area_ysize;
4124   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
4125   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
4126   int x_left  = gi->x - xoffset_left;
4127   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
4128   int x_below = gi->x + (gi->width - xoffset_below) / 2;
4129   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
4130   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
4131
4132   if (drawingarea_info[id].text_left)
4133     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
4134
4135   if (drawingarea_info[id].text_right)
4136     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
4137
4138   if (drawingarea_info[id].text_below)
4139     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
4140
4141   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
4142   {
4143     DrawElementBorder(gi->x, gi->y,
4144                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
4145
4146     DrawDrawingArea(id);
4147   }
4148
4149   MapGadget(gi);
4150 }
4151
4152 static void MapTextInputGadget(int id)
4153 {
4154   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
4155   int xoffset_above = 0;
4156   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
4157   int x_above = textinput_info[id].x + xoffset_above;
4158   int y_above = textinput_info[id].y + yoffset_above;
4159
4160   if (textinput_info[id].text_above)
4161     DrawTextF(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
4162
4163   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
4164
4165   MapGadget(gi);
4166 }
4167
4168 static void MapTextAreaGadget(int id)
4169 {
4170   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
4171   int xoffset_above = 0;
4172   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
4173   int x_above = textarea_info[id].x + xoffset_above;
4174   int y_above = textarea_info[id].y + yoffset_above;
4175
4176   if (textarea_info[id].text_above)
4177     DrawTextF(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
4178
4179   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
4180
4181   MapGadget(gi);
4182 }
4183
4184 static void MapSelectboxGadget(int id)
4185 {
4186   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
4187   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
4188   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4189   int yoffset = ED_BORDER_SIZE;
4190   int x_left = gi->x - xoffset_left;
4191   int x_right = gi->x + gi->width + xoffset_right;
4192   int y = gi->y + yoffset;
4193
4194   if (selectbox_info[id].text_left)
4195     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
4196
4197   if (selectbox_info[id].text_right)
4198     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
4199
4200   ModifyEditorSelectbox(id, *selectbox_info[id].value);
4201
4202   MapGadget(gi);
4203 }
4204
4205 static void MapTextbuttonGadget(int id)
4206 {
4207   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
4208   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
4209   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4210   int yoffset = ED_BORDER_SIZE;
4211   int x_left = gi->x - xoffset_left;
4212   int x_right = gi->x + gi->width + xoffset_right;
4213   int y = gi->y + yoffset;
4214
4215   /* only show button to delete change pages when more than minimum pages */
4216   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
4217       custom_element.num_change_pages == MIN_CHANGE_PAGES)
4218     return;
4219
4220   if (textbutton_info[id].text_left)
4221     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
4222
4223   if (textbutton_info[id].text_right)
4224     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
4225
4226   MapGadget(gi);
4227 }
4228
4229 static void MapGraphicbuttonGadget(int id)
4230 {
4231   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
4232   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
4233   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4234   int yoffset = ED_BORDER_SIZE;
4235   int x_left = gi->x - xoffset_left;
4236   int x_right = gi->x + gi->width + xoffset_right;
4237   int y = gi->y + yoffset;
4238
4239   if (graphicbutton_info[id].text_left)
4240     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
4241
4242   if (graphicbutton_info[id].text_right)
4243     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
4244
4245   MapGadget(gi);
4246 }
4247
4248 static void MapRadiobuttonGadget(int id)
4249 {
4250   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
4251   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
4252   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4253   int yoffset = ED_BORDER_SIZE;
4254   int x_left = gi->x - xoffset_left;
4255   int x_right = gi->x + gi->width + xoffset_right;
4256   int y = gi->y + yoffset;
4257   boolean checked =
4258     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
4259
4260   if (radiobutton_info[id].text_left)
4261     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
4262
4263   if (radiobutton_info[id].text_right)
4264     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
4265
4266   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
4267
4268   MapGadget(gi);
4269 }
4270
4271 static void MapCheckbuttonGadget(int id)
4272 {
4273   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
4274   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
4275   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4276   int yoffset = ED_BORDER_SIZE;
4277   int x_left = gi->x - xoffset_left;
4278   int x_right = gi->x + gi->width + xoffset_right;
4279   int y = gi->y + yoffset;
4280
4281   /* special case needed for "sticky" gadget */
4282   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value,
4283                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
4284   y = gi->y + yoffset;
4285
4286   if (checkbutton_info[id].text_left)
4287     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
4288
4289   if (checkbutton_info[id].text_right)
4290     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
4291
4292   MapGadget(gi);
4293 }
4294
4295 static void MapMainDrawingArea()
4296 {
4297   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
4298   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
4299   int i;
4300
4301   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
4302   {
4303     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
4304           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
4305          no_horizontal_scrollbar) ||
4306         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
4307           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
4308          no_vertical_scrollbar))
4309       continue;
4310
4311     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
4312   }
4313
4314   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
4315   {
4316     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
4317         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
4318       continue;
4319
4320     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
4321   }
4322
4323   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
4324 }
4325
4326 static void UnmapDrawingArea(int id)
4327 {
4328   UnmapGadget(level_editor_gadget[id]);
4329 }
4330
4331 void UnmapLevelEditorWindowGadgets()
4332 {
4333   int i;
4334
4335   for (i=0; i<NUM_EDITOR_GADGETS; i++)
4336     if (level_editor_gadget[i]->x < SX + SXSIZE)
4337       UnmapGadget(level_editor_gadget[i]);
4338 }
4339
4340 void UnmapLevelEditorGadgets()
4341 {
4342   int i;
4343
4344   for (i=0; i<NUM_EDITOR_GADGETS; i++)
4345     UnmapGadget(level_editor_gadget[i]);
4346 }
4347
4348 static void ResetUndoBuffer()
4349 {
4350   undo_buffer_position = -1;
4351   undo_buffer_steps = -1;
4352   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4353 }
4354
4355 static void DrawEditModeWindow()
4356 {
4357   ModifyEditorElementList();
4358   RedrawDrawingElements();
4359
4360   if (edit_mode == ED_MODE_INFO)
4361     DrawLevelInfoWindow();
4362   else if (edit_mode == ED_MODE_PROPERTIES)
4363     DrawPropertiesWindow();
4364   else  /* edit_mode == ED_MODE_DRAWING */
4365     DrawDrawingWindow();
4366 }
4367
4368 static boolean LevelChanged()
4369 {
4370   boolean level_changed = FALSE;
4371   int x, y;
4372
4373   for(y=0; y<lev_fieldy; y++)
4374     for(x=0; x<lev_fieldx; x++)
4375       if (Feld[x][y] != level.field[x][y])
4376         level_changed = TRUE;
4377
4378   return level_changed;
4379 }
4380
4381 static boolean LevelContainsPlayer()
4382 {
4383   boolean player_found = FALSE;
4384   int x, y;
4385
4386   for(y=0; y<lev_fieldy; y++)
4387     for(x=0; x<lev_fieldx; x++)
4388       if (Feld[x][y] == EL_PLAYER_1 ||
4389           Feld[x][y] == EL_SP_MURPHY)
4390         player_found = TRUE;
4391
4392   return player_found;
4393 }
4394
4395 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
4396                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
4397 {
4398   int x, y;
4399
4400   for(x=0; x<lev_fieldx; x++)
4401     for(y=0; y<lev_fieldy; y++)
4402       dst[x][y] = src[x][y];
4403 }
4404
4405 static int setSelectboxValue(int selectbox_id, int new_value)
4406 {
4407   int new_index_value = 0;
4408   int i;
4409
4410   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
4411     if (selectbox_info[selectbox_id].options[i].value == new_value)
4412       new_index_value = i;
4413
4414   *selectbox_info[selectbox_id].value =
4415     selectbox_info[selectbox_id].options[new_index_value].value;
4416
4417   return new_index_value;
4418 }
4419
4420 static void CopyCustomElementPropertiesToEditor(int element)
4421 {
4422   int i;
4423   int current_change_page = element_info[element].current_change_page;
4424
4425   /* dynamically (re)build selectbox for selecting change page */
4426   for (i=0; i < element_info[element].num_change_pages; i++)
4427   {
4428     sprintf(options_change_page_strings[i], "%d", i + 1);
4429
4430     options_change_page[i].value = i;
4431     options_change_page[i].text = options_change_page_strings[i];
4432   }
4433
4434   options_change_page[i].value = -1;
4435   options_change_page[i].text = NULL;
4436
4437   /* needed here to initialize combined element properties */
4438   InitElementPropertiesEngine(level.game_version);
4439
4440   element_info[element].change =
4441     &element_info[element].change_page[current_change_page];
4442
4443   custom_element = element_info[element];
4444   custom_element_change = *element_info[element].change;
4445
4446   /* needed to initially set selectbox value variables to reliable defaults */
4447   for (i=0; i < ED_NUM_SELECTBOX; i++)
4448     setSelectboxValue(i, *selectbox_info[i].value);
4449
4450   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
4451     custom_element_properties[i] = HAS_PROPERTY(element, i);
4452
4453   for (i=0; i < NUM_CHANGE_EVENTS; i++)
4454     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
4455
4456   /* ---------- element settings: configure (custom elements) ------------- */
4457
4458   /* set accessible layer selectbox help value */
4459   custom_element.access_type =
4460     (IS_WALKABLE(element) ? EP_WALKABLE :
4461      IS_PASSABLE(element) ? EP_PASSABLE :
4462      custom_element.access_type);
4463   custom_element.access_layer =
4464     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
4465      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
4466      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
4467      custom_element.access_layer);
4468   custom_element_properties[EP_ACCESSIBLE] =
4469     (IS_ACCESSIBLE_OVER(element) ||
4470      IS_ACCESSIBLE_INSIDE(element) ||
4471      IS_ACCESSIBLE_UNDER(element));
4472
4473   /* set walk-to-object action selectbox help value */
4474   custom_element.walk_to_action =
4475     (IS_DIGGABLE(element) ? EP_DIGGABLE :
4476      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
4477      IS_DROPPABLE(element) ? EP_DROPPABLE :
4478      IS_PUSHABLE(element) ? EP_PUSHABLE :
4479      custom_element.walk_to_action);
4480   custom_element_properties[EP_WALK_TO_OBJECT] =
4481     (IS_DIGGABLE(element) ||
4482      IS_COLLECTIBLE_ONLY(element) ||
4483      IS_DROPPABLE(element) ||
4484      IS_PUSHABLE(element));
4485
4486   /* set smash targets selectbox help value */
4487   custom_element.smash_targets =
4488     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
4489      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
4490      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
4491      custom_element.smash_targets);
4492   custom_element_properties[EP_CAN_SMASH] =
4493     (CAN_SMASH_EVERYTHING(element) ||
4494      CAN_SMASH_ENEMIES(element) ||
4495      CAN_SMASH_PLAYER(element));
4496
4497   /* set deadliness selectbox help value */
4498   custom_element.deadliness =
4499     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
4500      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
4501      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
4502      custom_element.deadliness);
4503   custom_element_properties[EP_DEADLY] =
4504     (DONT_TOUCH(element) ||
4505      DONT_COLLIDE_WITH(element) ||
4506      DONT_RUN_INTO(element));
4507
4508   /* set consistency selectbox help value */
4509   custom_element.consistency =
4510     (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
4511      CAN_EXPLODE_1X1(element) ? EP_CAN_EXPLODE_1X1 :
4512      CAN_EXPLODE_3X3(element) ? EP_CAN_EXPLODE_3X3 :
4513      custom_element.consistency);
4514   custom_element_properties[EP_EXPLODE_RESULT] =
4515     (IS_INDESTRUCTIBLE(element) ||
4516      CAN_EXPLODE_1X1(element) ||
4517      CAN_EXPLODE_3X3(element));
4518
4519   /* special case: sub-settings dependent from main setting */
4520   if (CAN_EXPLODE_BY_FIRE(element))
4521     custom_element.can_explode_by_fire = TRUE;
4522   if (CAN_EXPLODE_SMASHED(element))
4523     custom_element.can_explode_smashed = TRUE;
4524   if (CAN_EXPLODE_IMPACT(element))
4525     custom_element.can_explode_impact  = TRUE;
4526
4527   /* ---------- element settings: advanced (custom elements) --------------- */
4528
4529   /* set "change by direct action" selectbox help value */
4530   custom_element_change.direct_action =
4531     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
4532      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
4533      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
4534      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
4535      HAS_CHANGE_EVENT(element, CE_COLLISION) ? CE_COLLISION :
4536      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
4537      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
4538      custom_element_change.direct_action);
4539
4540   /* set "change by other element action" selectbox help value */
4541   custom_element_change.other_action =
4542     (
4543      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
4544      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
4545      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
4546      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DIGGED) ? CE_OTHER_GETS_DIGGED :
4547      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
4548      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DROPPED) ? CE_OTHER_GETS_DROPPED :
4549      HAS_CHANGE_EVENT(element, CE_TOUCHING_ANY_SIDE_OF) ? CE_TOUCHING_ANY_SIDE_OF :
4550      HAS_CHANGE_EVENT(element, CE_TOUCHING_LEFT_OF) ? CE_TOUCHING_LEFT_OF :
4551      HAS_CHANGE_EVENT(element, CE_TOUCHING_RIGHT_OF) ? CE_TOUCHING_RIGHT_OF :
4552      HAS_CHANGE_EVENT(element, CE_TOUCHING_TOP_OF) ? CE_TOUCHING_TOP_OF :
4553      HAS_CHANGE_EVENT(element, CE_TOUCHING_BOTTOM_OF) ? CE_TOUCHING_BOTTOM_OF :
4554      HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
4555      HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
4556      custom_element_change.other_action);
4557 }
4558
4559 static void CopyCustomElementPropertiesToGame(int element)
4560 {
4561   int i;
4562   int access_type_and_layer;
4563
4564   /* mark that this custom element has been modified */
4565   custom_element.modified_settings = TRUE;
4566
4567   if (level.use_custom_template)
4568   {
4569     if (Request("Copy and modify level tem- plate ?", REQ_ASK))
4570     {
4571       level.use_custom_template = FALSE;
4572       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
4573                    GDI_CHECKED, FALSE, GDI_END);
4574     }
4575     else
4576     {
4577       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
4578
4579       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
4580     }
4581   }
4582
4583   element_info[element] = custom_element;
4584   *element_info[element].change = custom_element_change;
4585
4586   /* ---------- element settings: configure (custom elements) ------------- */
4587
4588   /* set accessible property from checkbox and selectbox */
4589   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
4590   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
4591   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
4592   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
4593   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
4594   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
4595   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
4596                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
4597                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
4598   custom_element_properties[access_type_and_layer] =
4599     custom_element_properties[EP_ACCESSIBLE];
4600
4601   /* set walk-to-object property from checkbox and selectbox */
4602   custom_element_properties[EP_DIGGABLE] = FALSE;
4603   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
4604   custom_element_properties[EP_DROPPABLE] = FALSE;
4605   custom_element_properties[EP_PUSHABLE] = FALSE;
4606   custom_element_properties[custom_element.walk_to_action] =
4607     custom_element_properties[EP_WALK_TO_OBJECT];
4608
4609   /* set smash property from checkbox and selectbox */
4610   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
4611   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
4612   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
4613   custom_element_properties[custom_element.smash_targets] =
4614     custom_element_properties[EP_CAN_SMASH];
4615
4616   /* set deadliness property from checkbox and selectbox */
4617   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
4618   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
4619   custom_element_properties[EP_DONT_TOUCH] = FALSE;
4620   custom_element_properties[custom_element.deadliness] =
4621     custom_element_properties[EP_DEADLY];
4622
4623   /* set consistency property from checkbox and selectbox */
4624   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
4625   custom_element_properties[EP_CAN_EXPLODE_1X1] = FALSE;
4626   custom_element_properties[EP_CAN_EXPLODE_3X3] = FALSE;
4627   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
4628   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
4629   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
4630   custom_element_properties[custom_element.consistency] =
4631     custom_element_properties[EP_EXPLODE_RESULT];
4632
4633   /* special case: sub-settings dependent from main setting */
4634   if (custom_element_properties[EP_CAN_EXPLODE_3X3] ||
4635       custom_element_properties[EP_CAN_EXPLODE_1X1])
4636   {
4637     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
4638       custom_element.can_explode_by_fire;
4639     custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
4640       custom_element.can_explode_smashed;
4641     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
4642       custom_element.can_explode_impact;
4643   }
4644
4645   /* ---------- element settings: advanced (custom elements) --------------- */
4646
4647   /* set player change event from checkbox and selectbox */
4648   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
4649   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
4650   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
4651   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
4652   custom_element_change_events[CE_COLLISION] = FALSE;
4653   custom_element_change_events[CE_IMPACT] = FALSE;
4654   custom_element_change_events[CE_SMASHED] = FALSE;
4655   custom_element_change_events[custom_element_change.direct_action] =
4656     custom_element_change_events[CE_BY_DIRECT_ACTION];
4657
4658   /* set other element action change event from checkbox and selectbox */
4659   custom_element_change_events[CE_TOUCHING_ANY_SIDE_OF] = FALSE;
4660   custom_element_change_events[CE_TOUCHING_LEFT_OF] = FALSE;
4661   custom_element_change_events[CE_TOUCHING_RIGHT_OF] = FALSE;
4662   custom_element_change_events[CE_TOUCHING_TOP_OF] = FALSE;
4663   custom_element_change_events[CE_TOUCHING_BOTTOM_OF] = FALSE;
4664   custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
4665   custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
4666   custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
4667   custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
4668   custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
4669   custom_element_change_events[CE_OTHER_GETS_DIGGED] = FALSE;
4670   custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
4671   custom_element_change_events[CE_OTHER_GETS_DROPPED] = FALSE;
4672   custom_element_change_events[custom_element_change.other_action] =
4673     custom_element_change_events[CE_BY_OTHER_ACTION];
4674
4675   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
4676     SET_PROPERTY(element, i, custom_element_properties[i]);
4677
4678   for (i=0; i < NUM_CHANGE_EVENTS; i++)
4679     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
4680
4681   /* copy change events also to special level editor variable */
4682   custom_element = element_info[element];
4683   custom_element_change = *element_info[element].change;
4684 }
4685
4686 void DrawLevelEd()
4687 {
4688   CloseDoor(DOOR_CLOSE_ALL);
4689   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
4690
4691   if (level_editor_test_game)
4692   {
4693     CopyPlayfield(level.field, Feld);
4694     CopyPlayfield(FieldBackup, level.field);
4695
4696     level_editor_test_game = FALSE;
4697   }
4698   else
4699   {
4700     edit_mode = ED_MODE_DRAWING;
4701     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
4702
4703     ResetUndoBuffer();
4704
4705     level_xpos = -1;
4706     level_ypos = -1;
4707   }
4708
4709   /* copy default editor door content to main double buffer */
4710   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
4711              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
4712
4713 #if 0
4714   /* draw mouse button brush elements */
4715   RedrawDrawingElements();
4716 #endif
4717
4718   /* draw bigger door */
4719   DrawSpecialEditorDoor();
4720
4721   /* draw new control window */
4722   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
4723              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
4724
4725   redraw_mask |= REDRAW_ALL;
4726
4727   ReinitializeElementListButtons();     /* only needed after setup changes */
4728 #if 0
4729   ModifyEditorElementList();            /* may be needed for custom elements */
4730 #endif
4731
4732   UnmapTapeButtons();
4733   MapControlButtons();
4734
4735   DrawEditModeWindow();
4736
4737   /* copy actual editor door content to door double buffer for OpenDoor() */
4738   BlitBitmap(drawto, bitmap_db_door,
4739              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
4740
4741   OpenDoor(DOOR_OPEN_1);
4742 }
4743
4744 static void AdjustDrawingAreaGadgets()
4745 {
4746   int ed_xsize = lev_fieldx + 2;
4747   int ed_ysize = lev_fieldy + 2;
4748   int max_ed_fieldx = MAX_ED_FIELDX;
4749   int max_ed_fieldy = MAX_ED_FIELDY;
4750   boolean horizontal_scrollbar_needed;
4751   boolean vertical_scrollbar_needed;
4752   int x, y, width, height;
4753   int xoffset, yoffset;
4754
4755   /* check if we need any scrollbars */
4756   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
4757   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
4758
4759   /* check if we have a smaller editor field because of scrollbars */
4760   if (horizontal_scrollbar_needed)
4761     max_ed_fieldy = MAX_ED_FIELDY - 1;
4762   if (vertical_scrollbar_needed)
4763     max_ed_fieldx = MAX_ED_FIELDX - 1;
4764
4765   /* check again if we now need more scrollbars because of less space */
4766   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
4767   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
4768
4769   /* check if editor field gets even smaller after adding new scrollbars */
4770   if (horizontal_scrollbar_needed)
4771     max_ed_fieldy = MAX_ED_FIELDY - 1;
4772   if (vertical_scrollbar_needed)
4773     max_ed_fieldx = MAX_ED_FIELDX - 1;
4774
4775   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
4776   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
4777
4778   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
4779                GDI_WIDTH, ed_fieldx * MINI_TILEX,
4780                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
4781                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
4782                GDI_END);
4783
4784   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
4785   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
4786
4787   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
4788   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
4789
4790   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
4791   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
4792
4793   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
4794   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
4795
4796   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4797                GDI_WIDTH, width,
4798                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
4799                GDI_END);
4800   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4801                GDI_HEIGHT, height,
4802                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
4803                GDI_END);
4804 }
4805
4806 static void AdjustLevelScrollPosition()
4807 {
4808   if (level_xpos < -1)
4809     level_xpos = -1;
4810   if (level_xpos > lev_fieldx - ed_fieldx + 1)
4811     level_xpos = lev_fieldx - ed_fieldx + 1;
4812   if (lev_fieldx < ed_fieldx - 2)
4813     level_xpos = -1;
4814
4815   if (level_ypos < -1)
4816     level_ypos = -1;
4817   if (level_ypos > lev_fieldy - ed_fieldy + 1)
4818     level_ypos = lev_fieldy - ed_fieldy + 1;
4819   if (lev_fieldy < ed_fieldy - 2)
4820     level_ypos = -1;
4821 }
4822
4823 static void AdjustEditorScrollbar(int id)
4824 {
4825   struct GadgetInfo *gi = level_editor_gadget[id];
4826   int items_max, items_visible, item_position;
4827
4828   if (id == GADGET_ID_SCROLL_HORIZONTAL)
4829   {
4830     items_max = MAX(lev_fieldx + 2, ed_fieldx);
4831     items_visible = ed_fieldx;
4832     item_position = level_xpos + 1;
4833   }
4834   else
4835   {
4836     items_max = MAX(lev_fieldy + 2, ed_fieldy);
4837     items_visible = ed_fieldy;
4838     item_position = level_ypos + 1;
4839   }
4840
4841   if (item_position > items_max - items_visible)
4842     item_position = items_max - items_visible;
4843
4844   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
4845                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
4846 }
4847
4848 static void ModifyEditorCounter(int counter_id, int new_value)
4849 {
4850   int *counter_value = counterbutton_info[counter_id].value;
4851   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4852   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4853
4854   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
4855
4856   if (counter_value != NULL)
4857     *counter_value = gi->textinput.number_value;
4858 }
4859
4860 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
4861 {
4862   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4863   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4864
4865   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
4866 }
4867
4868 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
4869 {
4870   int gadget_id = selectbox_info[selectbox_id].gadget_id;
4871   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4872   int new_index_value = setSelectboxValue(selectbox_id, new_value);
4873
4874   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
4875 }
4876
4877 static void ModifyEditorElementList()
4878 {
4879   int i;
4880
4881   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4882   {
4883     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4884     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4885     struct GadgetDesign *gd = &gi->deco.design;
4886     int element = editor_elements[element_shift + i];
4887
4888     UnmapGadget(gi);
4889     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
4890     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4891     MapGadget(gi);
4892   }
4893 }
4894
4895 static void PickDrawingElement(int button, int element)
4896 {
4897   if (button < 1 || button > 3)
4898     return;
4899
4900   if (button == 1)
4901   {
4902     new_element1 = element;
4903     DrawMiniGraphicExt(drawto,
4904                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
4905                        el2edimg(new_element1));
4906   }
4907   else if (button == 2)
4908   {
4909     new_element2 = element;
4910     DrawMiniGraphicExt(drawto,
4911                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
4912                        el2edimg(new_element2));
4913   }
4914   else
4915   {
4916     new_element3 = element;
4917     DrawMiniGraphicExt(drawto,
4918                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
4919                        el2edimg(new_element3));
4920   }
4921
4922   redraw_mask |= REDRAW_DOOR_1;
4923 }
4924
4925 static void RedrawDrawingElements()
4926 {
4927   PickDrawingElement(1, new_element1);
4928   PickDrawingElement(2, new_element2);
4929   PickDrawingElement(3, new_element3);
4930 }
4931
4932 static void DrawDrawingWindow()
4933 {
4934   stick_element_properties_window = FALSE;
4935
4936   SetMainBackgroundImage(IMG_UNDEFINED);
4937   ClearWindow();
4938   UnmapLevelEditorWindowGadgets();
4939
4940   AdjustDrawingAreaGadgets();
4941   AdjustLevelScrollPosition();
4942   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
4943   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
4944
4945   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4946   MapMainDrawingArea();
4947 }
4948
4949 static void DrawLevelInfoWindow()
4950 {
4951   int i;
4952
4953   stick_element_properties_window = FALSE;
4954
4955   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4956   ClearWindow();
4957   UnmapLevelEditorWindowGadgets();
4958
4959   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4960            "Level Settings", FONT_TITLE_1);
4961   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
4962            "Editor Settings", FONT_TITLE_1);
4963
4964   /* draw counter gadgets */
4965   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
4966     MapCounterButtons(i);
4967
4968   /* draw checkbutton gadgets */
4969   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
4970     MapCheckbuttonGadget(i);
4971
4972   /* draw radiobutton gadgets */
4973   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
4974     MapRadiobuttonGadget(i);
4975
4976   /* draw text input gadgets */
4977   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
4978     MapTextInputGadget(i);
4979
4980   /* draw drawing area */
4981   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
4982 }
4983
4984 static void DrawCustomContentArea()
4985 {
4986   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
4987   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
4988   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
4989   int x2 = right_gadget_border[GADGET_ID_CUSTOM_CONSISTENCY];
4990   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
4991   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
4992
4993   /* add distance for potential left text (without drawing area border) */
4994   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
4995
4996   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
4997
4998   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
4999 }
5000
5001 static void DrawCustomChangeContentArea()
5002 {
5003   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
5004   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5005   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
5006   int x2 = right_gadget_border[GADGET_ID_CHANGE_POWER];
5007   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
5008   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
5009
5010   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
5011
5012   MapDrawingArea(id);
5013 }
5014
5015 static void DrawElementContentAreas()
5016 {
5017   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
5018   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
5019   int i;
5020
5021   /* display counter to choose number of element content areas */
5022   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
5023
5024   for (i=0; i < MAX_ELEMENT_CONTENTS; i++)
5025   {
5026     int id = ED_DRAWING_ID_ELEMENT_CONTENT_0 + i;
5027     int font_height = getFontHeight(FONT_TEXT_1);
5028
5029     if (i < level.num_yamyam_contents)
5030       MapDrawingArea(id);
5031     else
5032     {
5033       UnmapDrawingArea(id);
5034
5035       /* delete content areas in case of reducing number of them */
5036       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
5037                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
5038                      4 * MINI_TILEX,
5039                      4 * MINI_TILEX + ED_GADGET_TEXT_DISTANCE + font_height);
5040     }
5041   }
5042
5043   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
5044   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
5045   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
5046 }
5047
5048 static void DrawEnvelopeTextArea()
5049 {
5050   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
5051   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
5052
5053   UnmapGadget(gi);
5054   DrawBackground(gi->x, gi->y, gi->width, gi->height);
5055
5056   ModifyGadget(gi, GDI_AREA_SIZE, level.envelope_xsize, level.envelope_ysize,
5057                GDI_END);
5058   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
5059 }
5060
5061 char *getElementDescriptionFilename(int element)
5062 {
5063   char *docs_dir = options.docs_directory;
5064   char *elements_subdir = "elements";
5065   static char *filename = NULL;
5066   char basename[MAX_FILENAME_LEN];
5067
5068   if (filename != NULL)
5069     free(filename);
5070
5071   /* 1st try: look for element description file for exactly this element */
5072   sprintf(basename, "%s.txt", element_info[element].token_name);
5073   filename = getPath3(docs_dir, elements_subdir, basename);
5074   if (fileExists(filename))
5075     return filename;
5076
5077   free(filename);
5078
5079   /* 2nd try: look for element description file for this element's class */
5080   sprintf(basename, "%s.txt", element_info[element].class_name);
5081   filename = getPath3(docs_dir, elements_subdir, basename);
5082   if (fileExists(filename))
5083     return filename;
5084
5085   return NULL;
5086 }
5087
5088 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
5089 {
5090   int font_height = getFontHeight(font_nr);
5091   int pad_x = ED_SETTINGS_XPOS(0);
5092   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
5093   int sx = SX + pad_x;
5094   int sy = SY + pad_y;
5095   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
5096
5097   if (screen_line >= max_lines_per_screen)
5098     return FALSE;
5099
5100   DrawText(sx, sy + screen_line * font_height, text, font_nr);
5101
5102   return TRUE;
5103 }
5104
5105 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
5106 {
5107   int font_nr = FONT_TEXT_2;
5108   int font_width = getFontWidth(font_nr);
5109   int pad_x = ED_SETTINGS_XPOS(0);
5110   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
5111   char line[MAX_LINE_LEN];
5112   char buffer[max_chars_per_line + 1];
5113   int buffer_len;
5114   int lines_printed = 0;
5115   FILE *file;
5116
5117   if (filename == NULL)
5118     return 0;
5119
5120   if (!(file = fopen(filename, MODE_READ)))
5121     return 0;
5122
5123   buffer[0] = '\0';
5124   buffer_len = 0;
5125
5126   while(!feof(file))
5127   {
5128     char *line_ptr, *word_ptr;
5129     boolean last_line_was_empty = TRUE;
5130
5131     /* read next line of input file */
5132     if (!fgets(line, MAX_LINE_LEN, file))
5133       break;
5134
5135     /* skip comments (lines directly beginning with '#') */
5136     if (line[0] == '#')
5137       continue;
5138
5139     /* cut trailing newline from input line */
5140     for (line_ptr = line; *line_ptr; line_ptr++)
5141     {
5142       if (*line_ptr == '\n' || *line_ptr == '\r')
5143       {
5144         *line_ptr = '\0';
5145         break;
5146       }
5147     }
5148
5149     if (strlen(line) == 0)              /* special case: force empty line */
5150       strcpy(line, "\n");
5151
5152     word_ptr = line;
5153
5154     while (*word_ptr)
5155     {
5156       boolean print_buffer = FALSE;
5157       int word_len;
5158
5159       /* skip leading whitespaces */
5160       while (*word_ptr == ' ' || *word_ptr == '\t')
5161         word_ptr++;
5162
5163       line_ptr = word_ptr;
5164       word_len = 0;
5165
5166       /* look for end of next word */
5167       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
5168       {
5169         line_ptr++;
5170         word_len++;
5171       }
5172
5173       if (word_len == 0)
5174       {
5175         continue;
5176       }
5177       else if (*word_ptr == '\n')       /* special case: force empty line */
5178       {
5179         if (buffer_len == 0)
5180           word_ptr++;
5181
5182         /* prevent printing of multiple empty lines */
5183         if (buffer_len > 0 || !last_line_was_empty)
5184           print_buffer = TRUE;
5185       }
5186       else if (word_len < max_chars_per_line - buffer_len)
5187       {
5188         /* word fits into text buffer -- add word */
5189
5190         if (buffer_len > 0)
5191           buffer[buffer_len++] = ' ';
5192
5193         strncpy(&buffer[buffer_len], word_ptr, word_len);
5194         buffer_len += word_len;
5195         buffer[buffer_len] = '\0';
5196         word_ptr += word_len;
5197       }
5198       else if (buffer_len > 0)
5199       {
5200         /* not enough space left for word in text buffer -- print buffer */
5201
5202         print_buffer = TRUE;
5203       }
5204       else
5205       {
5206         /* word does not fit at all into empty text buffer -- cut word */
5207
5208         strncpy(buffer, word_ptr, max_chars_per_line);
5209         buffer[max_chars_per_line] = '\0';
5210         word_ptr += max_chars_per_line;
5211         print_buffer = TRUE;
5212       }
5213
5214       if (print_buffer)
5215       {
5216         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
5217           return lines_printed;
5218
5219         last_line_was_empty = (buffer_len == 0);
5220         lines_printed++;
5221
5222         buffer[0] = '\0';
5223         buffer_len = 0;
5224         print_buffer = FALSE;
5225       }
5226     }
5227   }
5228
5229   fclose(file);
5230
5231   if (buffer_len > 0)
5232     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
5233       lines_printed++;
5234
5235   return lines_printed;
5236 }
5237
5238 static void DrawPropertiesTabulatorGadgets()
5239 {
5240   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
5241   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
5242   int gd_x = gd->x + gd_gi->border.width / 2;
5243   int gd_y = gd->y + gd_gi->height - 1;
5244   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
5245   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
5246   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
5247   int i;
5248
5249   /* draw additional "advanced" tabulator for custom elements */
5250   if (IS_CUSTOM_ELEMENT(properties_element))
5251     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
5252
5253   for (i=id_first; i <= id_last; i++)
5254   {
5255     int gadget_id = textbutton_info[i].gadget_id;
5256     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5257     boolean active = (i != edit_mode_properties);
5258
5259     /* draw background line below tabulator button */
5260     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
5261
5262     /* draw solid line below inactive tabulator buttons */
5263     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
5264       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
5265
5266     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
5267     MapTextbuttonGadget(i);
5268   }
5269
5270   /* draw little border line below tabulator buttons */
5271   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
5272     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
5273                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
5274                   ED_GADGET_DISTANCE, tab_color);
5275 }
5276
5277 static void DrawPropertiesInfo()
5278 {
5279   static struct
5280   {
5281     int value;
5282     char *text;
5283   }
5284   properties[] =
5285   {
5286     /* configurable properties */
5287
5288     { EP_WALKABLE_OVER,         "- player can walk over it"             },
5289     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
5290     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
5291     { EP_PASSABLE_OVER,         "- player can pass over it"             },
5292     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
5293     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
5294
5295     { EP_DIGGABLE,              "- can be digged away"                  },
5296     { EP_COLLECTIBLE,           "- can be collected"                    },
5297     { EP_DROPPABLE,             "- can be dropped after collecting"     },
5298     { EP_PUSHABLE,              "- can be pushed"                       },
5299
5300     { EP_CAN_MOVE,              "- can move"                            },
5301     { EP_CAN_FALL,              "- can fall"                            },
5302
5303     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
5304 #if 0
5305     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
5306 #endif
5307     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
5308
5309     { EP_SLIPPERY,              "- slippery for falling objects"        },
5310     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
5311
5312     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
5313     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
5314     { EP_DONT_TOUCH,            "- deadly when touching"                },
5315
5316     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
5317
5318     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
5319     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
5320     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
5321
5322     { EP_CAN_CHANGE,            "- can change to other element"         },
5323
5324     /* pre-defined properties */
5325     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
5326     { EP_HAS_CONTENT,           "- can contain other elements"          },
5327
5328     { -1,                       NULL                                    }
5329   };
5330   char *filename = getElementDescriptionFilename(properties_element);
5331   char *percentage_text = "In this level:";
5332   char *properties_text = "Standard properties:";
5333   float percentage;
5334   int num_elements_in_level;
5335   int num_standard_properties = 0;
5336   int font1_nr = FONT_TEXT_1;
5337   int font2_nr = FONT_TEXT_2;
5338   int font1_width = getFontWidth(font1_nr);
5339   int font2_height = getFontHeight(font2_nr);
5340   int pad_x = ED_SETTINGS_XPOS(0);
5341   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
5342   int screen_line = 0;
5343   int i, x, y;
5344
5345   /* ----- print number of elements / percentage of this element in level */
5346
5347   num_elements_in_level = 0;
5348   for (y=0; y<lev_fieldy; y++)
5349     for (x=0; x<lev_fieldx; x++)
5350       if (Feld[x][y] == properties_element)
5351         num_elements_in_level++;
5352   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
5353
5354   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
5355             percentage_text);
5356   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
5357             pad_y + screen_line++ * font2_height, font2_nr,
5358             "%d (%.2f%%)", num_elements_in_level, percentage);
5359
5360   screen_line++;
5361
5362   /* ----- print standard properties of this element */
5363
5364   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
5365             properties_text);
5366
5367   for (i=0; properties[i].value != -1; i++)
5368   {
5369     if (!HAS_PROPERTY(properties_element, properties[i].value))
5370       continue;
5371
5372     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
5373               properties[i].text);
5374     num_standard_properties++;
5375   }
5376
5377   if (num_standard_properties == 0)
5378     DrawTextF(pad_x + strlen(properties_text) * font1_width,
5379               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
5380
5381   screen_line++;
5382
5383   /* ----- print special description of this element */
5384
5385   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
5386   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
5387     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
5388 }
5389
5390 #define TEXT_COLLECTING         "Score for collecting"
5391 #define TEXT_SMASHING           "Score for smashing"
5392 #define TEXT_CRACKING           "Score for cracking"
5393 #define TEXT_SPEED              "Speed of amoeba growth"
5394 #define TEXT_DURATION           "Duration when activated"
5395
5396 static struct
5397 {
5398   int element;
5399   int *value;
5400   char *text;
5401 } elements_with_counter[] =
5402 {
5403   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
5404   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
5405   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
5406   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
5407   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
5408   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
5409   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
5410   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
5411   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
5412   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
5413   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
5414   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
5415   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
5416   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
5417   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
5418   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
5419   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
5420   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
5421   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5422   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5423   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5424   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5425   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5426   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5427   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5428   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5429   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5430   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
5431   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
5432   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
5433   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
5434   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
5435   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
5436   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
5437   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
5438   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
5439   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
5440   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
5441   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
5442   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
5443   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
5444   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
5445   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
5446   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
5447   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
5448   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
5449   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5450   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5451   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5452   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5453   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
5454   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
5455   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
5456   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
5457   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
5458   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
5459   { -1,                 NULL,                           NULL            }
5460 };
5461
5462 static boolean checkPropertiesConfig()
5463 {
5464   int i;
5465
5466   if (IS_GEM(properties_element) ||
5467       IS_CUSTOM_ELEMENT(properties_element) ||
5468       HAS_CONTENT(properties_element) ||
5469       properties_element == EL_ENVELOPE)
5470     return TRUE;
5471   else
5472     for (i=0; elements_with_counter[i].element != -1; i++)
5473       if (elements_with_counter[i].element == properties_element)
5474         return TRUE;
5475
5476   return FALSE;
5477 }
5478
5479 static void DrawPropertiesConfig()
5480 {
5481   int i;
5482
5483   if (!checkPropertiesConfig())
5484   {
5485     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
5486
5487     return;
5488   }
5489
5490   /* check if there are elements where a score can be chosen for */
5491   for (i=0; elements_with_counter[i].element != -1; i++)
5492   {
5493     if (elements_with_counter[i].element == properties_element)
5494     {
5495       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
5496
5497       counterbutton_info[counter_id].value = elements_with_counter[i].value;
5498       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
5499       MapCounterButtons(counter_id);
5500
5501       break;
5502     }
5503   }
5504
5505   if (HAS_CONTENT(properties_element))
5506   {
5507     /* draw stickybutton gadget */
5508     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
5509     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
5510     MapCheckbuttonGadget(i);
5511
5512     if (IS_AMOEBOID(properties_element))
5513       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
5514     else
5515       DrawElementContentAreas();
5516   }
5517
5518   if (IS_GEM(properties_element))
5519     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
5520
5521   if (properties_element == EL_ENVELOPE)
5522   {
5523     /* display counter to choose size of envelope text area */
5524     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_XSIZE);
5525     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_YSIZE);
5526
5527     DrawEnvelopeTextArea();
5528   }
5529
5530   if (IS_CUSTOM_ELEMENT(properties_element))
5531   {
5532     /* draw stickybutton gadget */
5533     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
5534     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
5535     MapCheckbuttonGadget(i);
5536
5537     /* draw checkbutton gadgets */
5538     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
5539          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
5540       MapCheckbuttonGadget(i);
5541
5542     /* draw counter gadgets */
5543     for (i=ED_COUNTER_ID_CUSTOM_FIRST; i<=ED_COUNTER_ID_CUSTOM_LAST; i++)
5544       MapCounterButtons(i);
5545
5546     /* draw selectbox gadgets */
5547     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
5548       MapSelectboxGadget(i);
5549
5550     /* draw drawing area gadgets */
5551     DrawCustomContentArea();
5552
5553     /* draw text input gadgets */
5554     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
5555   }
5556 }
5557
5558 static void DrawPropertiesAdvancedDrawingAreas()
5559 {
5560   MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
5561   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
5562   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
5563
5564   DrawCustomChangeContentArea();
5565
5566   redraw_mask |= REDRAW_FIELD;
5567 }
5568
5569 static void DrawPropertiesAdvanced()
5570 {
5571   int i;
5572
5573   /* draw stickybutton gadget */
5574   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
5575   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
5576   MapCheckbuttonGadget(i);
5577
5578   /* draw checkbutton gadgets */
5579   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
5580        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
5581     MapCheckbuttonGadget(i);
5582
5583   /* draw counter gadgets */
5584   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
5585     MapCounterButtons(i);
5586
5587   /* draw selectbox gadgets */
5588   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
5589     MapSelectboxGadget(i);
5590
5591   /* draw textbutton gadgets */
5592   for (i=ED_TEXTBUTTON_ID_CHANGE_FIRST; i<=ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
5593     MapTextbuttonGadget(i);
5594
5595   /* draw graphicbutton gadgets */
5596   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
5597        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
5598     MapGraphicbuttonGadget(i);
5599
5600   /* draw drawing area gadgets */
5601   DrawPropertiesAdvancedDrawingAreas();
5602 }
5603
5604 static void DrawElementName(int x, int y, int element)
5605 {
5606   char *element_name = getElementInfoText(element);
5607   int font_nr = FONT_TEXT_1;
5608   int font_width = getFontWidth(font_nr);
5609   int font_height = getFontHeight(font_nr);
5610   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
5611   int max_chars_per_line = max_text_width / font_width;
5612   char buffer[max_chars_per_line + 1];
5613
5614   if (strlen(element_name) <= max_chars_per_line)
5615     DrawTextF(x, y, font_nr, element_name);
5616   else
5617   {
5618     int next_pos = max_chars_per_line;
5619
5620     strncpy(buffer, element_name, max_chars_per_line);
5621     buffer[max_chars_per_line] = '\0';
5622
5623     if (element_name[max_chars_per_line] == ' ')
5624       next_pos++;
5625     else
5626     {
5627       int i;
5628
5629       for (i = max_chars_per_line - 1; i >= 0; i--)
5630         if (buffer[i] == ' ')
5631           break;
5632
5633       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
5634       {
5635         buffer[i] = '\0';
5636         next_pos = i + 1;
5637       }
5638     }
5639
5640     DrawTextF(x, y - font_height / 2, font_nr, buffer);
5641
5642     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
5643     buffer[max_chars_per_line] = '\0';
5644
5645     DrawTextF(x, y + font_height / 2, font_nr, buffer);
5646   }
5647 }
5648
5649 static void DrawPropertiesWindow()
5650 {
5651   int xstart = 2;
5652   int ystart = 4;
5653
5654   stick_element_properties_window = FALSE;
5655
5656   /* make sure that previous properties edit mode exists for this element */
5657   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
5658       !IS_CUSTOM_ELEMENT(properties_element))
5659     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
5660
5661   if (IS_CUSTOM_ELEMENT(properties_element))
5662     CopyCustomElementPropertiesToEditor(properties_element);
5663
5664   UnmapLevelEditorWindowGadgets();
5665
5666   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
5667   ClearWindow();
5668
5669   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
5670            "Element Settings", FONT_TITLE_1);
5671
5672   DrawElementBorder(SX + xstart * MINI_TILEX,
5673                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
5674                     TILEX, TILEY, FALSE);
5675   DrawGraphicAnimationExt(drawto,
5676                           SX + xstart * MINI_TILEX,
5677                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
5678                           el2img(properties_element), -1, NO_MASKING);
5679
5680   FrameCounter = 0;     /* restart animation frame counter */
5681
5682   DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
5683                   properties_element);
5684
5685   DrawPropertiesTabulatorGadgets();
5686
5687   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
5688     DrawPropertiesInfo();
5689   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
5690     DrawPropertiesConfig();
5691   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
5692     DrawPropertiesAdvanced();
5693 }
5694
5695 static void UpdateCustomElementGraphicGadgets()
5696 {
5697   ModifyEditorElementList();
5698   RedrawDrawingElements();
5699
5700   if (edit_mode == ED_MODE_PROPERTIES &&
5701       edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED)
5702     DrawPropertiesAdvancedDrawingAreas();
5703 }
5704
5705 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
5706 {
5707   int lx = sx + level_xpos;
5708   int ly = sy + level_ypos;
5709
5710   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
5711
5712   if (change_level)
5713     Feld[lx][ly] = element;
5714 }
5715
5716 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
5717                      int element, boolean change_level)
5718 {
5719   if (from_y == to_y)                   /* horizontal line */
5720   {
5721     int x;
5722     int y = from_y;
5723
5724     if (from_x > to_x)
5725       swap_numbers(&from_x, &to_x);
5726
5727     for (x=from_x; x<=to_x; x++)
5728       DrawLineElement(x, y, element, change_level);
5729   }
5730   else if (from_x == to_x)              /* vertical line */
5731   {
5732     int x = from_x;
5733     int y;
5734
5735     if (from_y > to_y)
5736       swap_numbers(&from_y, &to_y);
5737
5738     for (y=from_y; y<=to_y; y++)
5739       DrawLineElement(x, y, element, change_level);
5740   }
5741   else                                  /* diagonal line */
5742   {
5743     int len_x = ABS(to_x - from_x);
5744     int len_y = ABS(to_y - from_y);
5745     int x, y;
5746
5747     if (len_y < len_x)                  /* a < 1 */
5748     {
5749       float a = (float)len_y / (float)len_x;
5750
5751       if (from_x > to_x)
5752         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5753
5754       for (x=0; x<=len_x; x++)
5755       {
5756         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
5757         DrawLineElement(from_x + x, from_y + y, element, change_level);
5758       }
5759     }
5760     else                                /* a >= 1 */
5761     {
5762       float a = (float)len_x / (float)len_y;
5763
5764       if (from_y > to_y)
5765         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5766
5767       for (y=0; y<=len_y; y++)
5768       {
5769         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
5770         DrawLineElement(from_x + x, from_y + y, element, change_level);
5771       }
5772     }
5773   }
5774 }
5775
5776 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
5777                     int element, boolean change_level)
5778 {
5779   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
5780   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
5781   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
5782   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
5783 }
5784
5785 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
5786                           int element, boolean change_level)
5787 {
5788   int y;
5789
5790   if (from_y > to_y)
5791     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5792
5793   for (y=from_y; y<=to_y; y++)
5794     DrawLine(from_x, y, to_x, y, element, change_level);
5795 }
5796
5797 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
5798                        int element, boolean change_level)
5799 {
5800   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
5801   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
5802   int len_x = ABS(to_x - from_x);
5803   int len_y = ABS(to_y - from_y);
5804   int radius, x, y;
5805
5806   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
5807
5808   /* not optimal (some points get drawn twice) but simple,
5809      and fast enough for the few points we are drawing */
5810
5811   for (x=0; x<=radius; x++)
5812   {
5813     int sx, sy, lx, ly;
5814
5815     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
5816
5817     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5818     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5819     lx = sx + level_xpos;
5820     ly = sy + level_ypos;
5821
5822     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5823       DrawLineElement(sx, sy, element, change_level);
5824   }
5825
5826   for (y=0; y<=radius; y++)
5827   {
5828     int sx, sy, lx, ly;
5829
5830     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
5831
5832     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5833     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5834     lx = sx + level_xpos;
5835     ly = sy + level_ypos;
5836
5837     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5838       DrawLineElement(sx, sy, element, change_level);
5839   }
5840 }
5841
5842 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
5843                     int element, boolean change_level)
5844 {
5845   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5846   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5847
5848   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5849 }
5850
5851 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
5852 #if DRAW_CIRCLES_BUTTON_AVAILABLE
5853 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
5854                        int element, boolean change_level)
5855 {
5856   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5857   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5858   int mirror_to_x2 = from_x - (to_x2 - from_x);
5859   int mirror_to_y2 = from_y - (to_y2 - from_y);
5860
5861   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5862   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
5863   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
5864   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
5865 }
5866 #endif
5867
5868 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
5869 {
5870   int from_sx, from_sy;
5871   int to_sx, to_sy;
5872
5873   if (from_x > to_x)
5874     swap_numbers(&from_x, &to_x);
5875
5876   if (from_y > to_y)
5877     swap_numbers(&from_y, &to_y);
5878
5879   from_sx = SX + from_x * MINI_TILEX;
5880   from_sy = SY + from_y * MINI_TILEY;
5881   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
5882   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
5883
5884   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
5885   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
5886   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
5887   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
5888
5889   if (from_x == to_x && from_y == to_y)
5890     MarkTileDirty(from_x/2, from_y/2);
5891   else
5892     redraw_mask |= REDRAW_FIELD;
5893 }
5894
5895 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
5896                        int element, boolean change_level)
5897 {
5898   if (element == -1 || change_level)
5899     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
5900   else
5901     DrawAreaBorder(from_x, from_y, to_x, to_y);
5902 }
5903
5904 /* values for CopyBrushExt() */
5905 #define CB_AREA_TO_BRUSH        0
5906 #define CB_BRUSH_TO_CURSOR      1
5907 #define CB_BRUSH_TO_LEVEL       2
5908 #define CB_DELETE_OLD_CURSOR    3
5909
5910 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
5911                          int button, int mode)
5912 {
5913   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
5914   static int brush_width, brush_height;
5915   static int last_cursor_x = -1, last_cursor_y = -1;
5916   static boolean delete_old_brush;
5917   int new_element = BUTTON_ELEMENT(button);
5918   int x, y;
5919
5920   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
5921     return;
5922
5923   if (mode == CB_AREA_TO_BRUSH)
5924   {
5925     int from_lx, from_ly;
5926
5927     if (from_x > to_x)
5928       swap_numbers(&from_x, &to_x);
5929
5930     if (from_y > to_y)
5931       swap_numbers(&from_y, &to_y);
5932
5933     brush_width = to_x - from_x + 1;
5934     brush_height = to_y - from_y + 1;
5935
5936     from_lx = from_x + level_xpos;
5937     from_ly = from_y + level_ypos;
5938
5939     for (y=0; y<brush_height; y++)
5940     {
5941       for (x=0; x<brush_width; x++)
5942       {
5943         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
5944
5945         if (button != 1)
5946           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
5947       }
5948     }
5949
5950     if (button != 1)
5951       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5952
5953     delete_old_brush = FALSE;
5954   }
5955   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
5956            mode == CB_BRUSH_TO_LEVEL)
5957   {
5958     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
5959     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
5960     int cursor_from_x = cursor_x - brush_width / 2;
5961     int cursor_from_y = cursor_y - brush_height / 2;
5962     int border_from_x = cursor_x, border_from_y = cursor_y;
5963     int border_to_x = cursor_x, border_to_y = cursor_y;
5964
5965     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
5966       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5967
5968     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
5969         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
5970     {
5971       delete_old_brush = FALSE;
5972       return;
5973     }
5974
5975     for (y=0; y<brush_height; y++)
5976     {
5977       for (x=0; x<brush_width; x++)
5978       {
5979         int sx = cursor_from_x + x;
5980         int sy = cursor_from_y + y;
5981         int lx = sx + level_xpos;
5982         int ly = sy + level_ypos;
5983         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
5984         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
5985                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
5986                        brush_buffer[x][y] : new_element);
5987
5988         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5989         {
5990           if (sx < border_from_x)
5991             border_from_x = sx;
5992           else if (sx > border_to_x)
5993             border_to_x = sx;
5994           if (sy < border_from_y)
5995             border_from_y = sy;
5996           else if (sy > border_to_y)
5997             border_to_y = sy;
5998
5999           DrawLineElement(sx, sy, element, change_level);
6000         }
6001       }
6002     }
6003
6004     if (mode != CB_DELETE_OLD_CURSOR)
6005       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
6006
6007     last_cursor_x = cursor_x;
6008     last_cursor_y = cursor_y;
6009     delete_old_brush = TRUE;
6010   }
6011 }
6012
6013 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
6014                             int button)
6015 {
6016   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
6017 }
6018
6019 static void CopyBrushToLevel(int x, int y, int button)
6020 {
6021   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
6022 }
6023
6024 static void CopyBrushToCursor(int x, int y)
6025 {
6026   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
6027 }
6028
6029 static void DeleteBrushFromCursor()
6030 {
6031   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
6032 }
6033
6034 static void FloodFill(int from_x, int from_y, int fill_element)
6035 {
6036   int i,x,y;
6037   int old_element;
6038   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
6039   static int safety = 0;
6040
6041   /* check if starting field still has the desired content */
6042   if (Feld[from_x][from_y] == fill_element)
6043     return;
6044
6045   safety++;
6046
6047   if (safety > lev_fieldx*lev_fieldy)
6048     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
6049
6050   old_element = Feld[from_x][from_y];
6051   Feld[from_x][from_y] = fill_element;
6052
6053   for(i=0;i<4;i++)
6054   {
6055     x = from_x + check[i][0];
6056     y = from_y + check[i][1];
6057
6058     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
6059       FloodFill(x, y, fill_element);
6060   }
6061
6062   safety--;
6063 }
6064
6065 /* values for DrawLevelText() modes */
6066 #define TEXT_INIT               0
6067 #define TEXT_SETCURSOR          1
6068 #define TEXT_WRITECHAR          2
6069 #define TEXT_BACKSPACE          3
6070 #define TEXT_NEWLINE            4
6071 #define TEXT_END                5
6072 #define TEXT_QUERY_TYPING       6
6073
6074 static int DrawLevelText(int sx, int sy, char letter, int mode)
6075 {
6076   static short delete_buffer[MAX_LEV_FIELDX];
6077   static int start_sx, start_sy;
6078   static int last_sx, last_sy;
6079   static boolean typing = FALSE;
6080   int letter_element = EL_CHAR_ASCII0 + letter;
6081   int lx = 0, ly = 0;
6082
6083   /* map lower case letters to upper case and convert special characters */
6084   if (letter >= 'a' && letter <= 'z')
6085     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
6086   else if (letter == 'ä' || letter == 'Ä')
6087     letter_element = EL_CHAR_AUMLAUT;
6088   else if (letter == 'ö' || letter == 'Ö')
6089     letter_element = EL_CHAR_OUMLAUT;
6090   else if (letter == 'ü' || letter == 'Ü')
6091     letter_element = EL_CHAR_UUMLAUT;
6092   else if (letter == '^')
6093     letter_element = EL_CHAR_COPYRIGHT;
6094   else
6095     letter_element = EL_CHAR_ASCII0 + letter;
6096
6097   if (mode != TEXT_INIT)
6098   {
6099     if (!typing)
6100       return FALSE;
6101
6102     if (mode != TEXT_SETCURSOR)
6103     {
6104       sx = last_sx;
6105       sy = last_sy;
6106     }
6107
6108     lx = last_sx + level_xpos;
6109     ly = last_sy + level_ypos;
6110   }
6111
6112   switch (mode)
6113   {
6114     case TEXT_INIT:
6115       if (typing)
6116         DrawLevelText(0, 0, 0, TEXT_END);
6117
6118       typing = TRUE;
6119       start_sx = last_sx = sx;
6120       start_sy = last_sy = sy;
6121       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
6122       break;
6123
6124     case TEXT_SETCURSOR:
6125       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
6126       DrawAreaBorder(sx, sy, sx, sy);
6127       last_sx = sx;
6128       last_sy = sy;
6129       break;
6130
6131     case TEXT_WRITECHAR:
6132       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
6133       {
6134         delete_buffer[sx - start_sx] = Feld[lx][ly];
6135         Feld[lx][ly] = letter_element;
6136
6137         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
6138           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
6139         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
6140           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
6141         else
6142           DrawLevelText(0, 0, 0, TEXT_END);
6143       }
6144       break;
6145
6146     case TEXT_BACKSPACE:
6147       if (sx > start_sx)
6148       {
6149         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
6150         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
6151         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
6152       }
6153       break;
6154
6155     case TEXT_NEWLINE:
6156       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
6157         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
6158       else
6159         DrawLevelText(0, 0, 0, TEXT_END);
6160       break;
6161
6162     case TEXT_END:
6163       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6164       DrawMiniElement(sx, sy, Feld[lx][ly]);
6165       typing = FALSE;
6166       break;
6167
6168     case TEXT_QUERY_TYPING:
6169       break;
6170
6171     default:
6172       break;
6173   }
6174
6175   return typing;
6176 }
6177
6178 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
6179                           int element, boolean change_level)
6180 {
6181   int lx = sx + level_xpos;
6182   int ly = sy + level_ypos;
6183
6184   if (element == -1)
6185     DrawMiniElement(sx, sy, Feld[lx][ly]);
6186   else
6187     DrawAreaBorder(sx, sy, sx, sy);
6188 }
6189
6190 static void CopyLevelToUndoBuffer(int mode)
6191 {
6192   static boolean accumulated_undo = FALSE;
6193   boolean new_undo_buffer_position = TRUE;
6194   int last_border_element;
6195   int x, y;
6196
6197   switch (mode)
6198   {
6199     case UNDO_IMMEDIATE:
6200       accumulated_undo = FALSE;
6201       break;
6202
6203     case UNDO_ACCUMULATE:
6204       if (accumulated_undo)
6205         new_undo_buffer_position = FALSE;
6206       accumulated_undo = TRUE;
6207       break;
6208
6209     default:
6210       break;
6211   }
6212
6213   if (new_undo_buffer_position)
6214   {
6215     /* new position in undo buffer ring */
6216     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
6217
6218     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
6219       undo_buffer_steps++;
6220   }
6221
6222   for(x=0; x<lev_fieldx; x++)
6223     for(y=0; y<lev_fieldy; y++)
6224       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
6225
6226   /* check if drawing operation forces change of border style */
6227   last_border_element = BorderElement;
6228   SetBorderElement();
6229   if (BorderElement != last_border_element)
6230     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6231 }
6232
6233 static void RandomPlacement(int new_element)
6234 {
6235   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
6236   int num_free_positions;
6237   int num_percentage;
6238   int num_elements;
6239   int x, y;
6240
6241   /* determine number of free positions for the new elements */
6242   /* (maybe this statement should be formatted a bit more readable...) */
6243   num_free_positions = 0;
6244   for (x=0; x<lev_fieldx; x++)
6245     for (y=0; y<lev_fieldy; y++)
6246       if ((free_position[x][y] =
6247            ((random_placement_background_restricted &&
6248              Feld[x][y] == random_placement_background_element) ||
6249             (!random_placement_background_restricted &&
6250              Feld[x][y] != new_element))) == TRUE)
6251         num_free_positions++;
6252
6253   /* determine number of new elements to place there */
6254   num_percentage = num_free_positions * random_placement_value / 100;
6255   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
6256                   num_percentage : random_placement_value);
6257
6258   /* if not more free positions than elements to place, fill whole level */
6259   if (num_elements >= num_free_positions)
6260   {
6261     for (x=0; x<lev_fieldx; x++)
6262       for (y=0; y<lev_fieldy; y++)
6263         Feld[x][y] = new_element;
6264
6265     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6266     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6267     return;
6268   }
6269
6270   while (num_elements > 0)
6271   {
6272     x = RND(lev_fieldx);
6273     y = RND(lev_fieldy);
6274
6275     /* don't place element at the same position twice */
6276     if (free_position[x][y])
6277     {
6278       free_position[x][y] = FALSE;
6279       Feld[x][y] = new_element;
6280       num_elements--;
6281     }
6282   }
6283
6284   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6285   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6286 }
6287
6288 void WrapLevel(int dx, int dy)
6289 {
6290   int wrap_dx = lev_fieldx - dx;
6291   int wrap_dy = lev_fieldy - dy;
6292   int x, y;
6293
6294   for(x=0; x<lev_fieldx; x++)
6295     for(y=0; y<lev_fieldy; y++)
6296       FieldBackup[x][y] = Feld[x][y];
6297
6298   for(x=0; x<lev_fieldx; x++)
6299     for(y=0; y<lev_fieldy; y++)
6300       Feld[x][y] =
6301         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
6302
6303   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6304   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
6305 }
6306
6307 static void HandleDrawingAreas(struct GadgetInfo *gi)
6308 {
6309   static boolean started_inside_drawing_area = FALSE;
6310   int id = gi->custom_id;
6311   boolean button_press_event;
6312   boolean button_release_event;
6313   boolean inside_drawing_area = !gi->event.off_borders;
6314   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
6315   int actual_drawing_function;
6316   int button = gi->event.button;
6317   int new_element = BUTTON_ELEMENT(button);
6318   int sx = gi->event.x, sy = gi->event.y;
6319   int min_sx = 0, min_sy = 0;
6320   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
6321   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
6322   int lx = 0, ly = 0;
6323   int min_lx = 0, min_ly = 0;
6324   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
6325   int x, y;
6326
6327   /* handle info callback for each invocation of action callback */
6328   gi->callback_info(gi);
6329
6330   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
6331   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
6332
6333   /* make sure to stay inside drawing area boundaries */
6334   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
6335   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
6336
6337   if (draw_level)
6338   {
6339     /* get positions inside level field */
6340     lx = sx + level_xpos;
6341     ly = sy + level_ypos;
6342
6343     if (!IN_LEV_FIELD(lx, ly))
6344       inside_drawing_area = FALSE;
6345
6346     /* make sure to stay inside level field boundaries */
6347     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
6348     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
6349
6350     /* correct drawing area positions accordingly */
6351     sx = lx - level_xpos;
6352     sy = ly - level_ypos;
6353   }
6354
6355   if (button_press_event)
6356     started_inside_drawing_area = inside_drawing_area;
6357
6358   if (!started_inside_drawing_area)
6359     return;
6360
6361   if (!button && !button_release_event)
6362     return;
6363
6364   /* automatically switch to 'single item' drawing mode, if needed */
6365   actual_drawing_function =
6366     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
6367      drawing_function : GADGET_ID_SINGLE_ITEMS);
6368
6369   /* clicking into drawing area with pressed Control key picks element */
6370   if (GetKeyModState() & KMOD_Control)
6371     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
6372
6373   switch (actual_drawing_function)
6374   {
6375     case GADGET_ID_SINGLE_ITEMS:
6376       if (draw_level)
6377       {
6378         if (button_release_event)
6379         {
6380           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6381
6382           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
6383               !inside_drawing_area)
6384             DeleteBrushFromCursor();
6385         }
6386
6387         if (!button)
6388           break;
6389
6390         if (draw_with_brush)
6391         {
6392           if (!button_release_event)
6393             CopyBrushToLevel(sx, sy, button);
6394         }
6395         else if (new_element != Feld[lx][ly])
6396         {
6397           if (new_element == EL_PLAYER_1)
6398           {
6399             /* remove player at old position */
6400             for(y=0; y<lev_fieldy; y++)
6401             {
6402               for(x=0; x<lev_fieldx; x++)
6403               {
6404                 if (Feld[x][y] == EL_PLAYER_1)
6405                 {
6406                   Feld[x][y] = EL_EMPTY;
6407                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
6408                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
6409                     DrawMiniElement(x - level_xpos, y - level_ypos,
6410                                     EL_EMPTY);
6411                 }
6412               }
6413             }
6414           }
6415
6416           Feld[lx][ly] = new_element;
6417           DrawMiniElement(sx, sy, new_element);
6418         }
6419       }
6420       else
6421       {
6422         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
6423           DrawMiniGraphicExt(drawto,
6424                              gi->x + sx * MINI_TILEX,
6425                              gi->y + sy * MINI_TILEY,
6426                              el2edimg(new_element));
6427         else
6428           DrawGraphicExt(drawto,
6429                          gi->x + sx * TILEX,
6430                          gi->y + sy * TILEY,
6431                          el2img(new_element), 0);
6432
6433         if (id == GADGET_ID_AMOEBA_CONTENT)
6434           level.amoeba_content = new_element;
6435         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6436         {
6437           new_element = GFX_ELEMENT(new_element);
6438           custom_element.gfx_element = new_element;
6439
6440           CopyCustomElementPropertiesToGame(properties_element);
6441
6442           UpdateCustomElementGraphicGadgets();
6443
6444           FrameCounter = 0;     /* restart animation frame counter */
6445         }
6446         else if (id == GADGET_ID_CUSTOM_CONTENT)
6447         {
6448           custom_element.content[sx][sy] = new_element;
6449
6450           CopyCustomElementPropertiesToGame(properties_element);
6451         }
6452         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6453         {
6454           custom_element_change.target_element = new_element;
6455
6456           CopyCustomElementPropertiesToGame(properties_element);
6457         }
6458         else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6459         {
6460           custom_element_change.content[sx][sy] = new_element;
6461
6462           CopyCustomElementPropertiesToGame(properties_element);
6463         }
6464         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6465         {
6466           custom_element_change.trigger_element = new_element;
6467
6468           CopyCustomElementPropertiesToGame(properties_element);
6469         }
6470         else if (id == GADGET_ID_RANDOM_BACKGROUND)
6471           random_placement_background_element = new_element;
6472         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6473                  id <= GADGET_ID_ELEMENT_CONTENT_7)
6474           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
6475             new_element;
6476       }
6477       break;
6478
6479     case GADGET_ID_CONNECTED_ITEMS:
6480       {
6481         static int last_sx = -1;
6482         static int last_sy = -1;
6483
6484         if (button_release_event)
6485           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6486
6487         if (button)
6488         {
6489           if (!button_press_event)
6490             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
6491
6492           last_sx = sx;
6493           last_sy = sy;
6494         }
6495       }
6496       break;
6497
6498     case GADGET_ID_LINE:
6499     case GADGET_ID_ARC:
6500     case GADGET_ID_RECTANGLE:
6501     case GADGET_ID_FILLED_BOX:
6502     case GADGET_ID_GRAB_BRUSH:
6503     case GADGET_ID_TEXT:
6504       {
6505         static int last_sx = -1;
6506         static int last_sy = -1;
6507         static int start_sx = -1;
6508         static int start_sy = -1;
6509         void (*draw_func)(int, int, int, int, int, boolean);
6510
6511         if (drawing_function == GADGET_ID_LINE)
6512           draw_func = DrawLine;
6513         else if (drawing_function == GADGET_ID_ARC)
6514           draw_func = DrawArc;
6515         else if (drawing_function == GADGET_ID_RECTANGLE)
6516           draw_func = DrawBox;
6517         else if (drawing_function == GADGET_ID_FILLED_BOX)
6518           draw_func = DrawFilledBox;
6519         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
6520           draw_func = SelectArea;
6521         else /* (drawing_function == GADGET_ID_TEXT) */
6522           draw_func = SetTextCursor;
6523
6524         if (button_press_event)
6525         {
6526           draw_func(sx, sy, sx, sy, new_element, FALSE);
6527           start_sx = last_sx = sx;
6528           start_sy = last_sy = sy;
6529
6530           if (drawing_function == GADGET_ID_TEXT)
6531             DrawLevelText(0, 0, 0, TEXT_END);
6532         }
6533         else if (button_release_event)
6534         {
6535           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
6536           if (drawing_function == GADGET_ID_GRAB_BRUSH)
6537           {
6538             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
6539             CopyBrushToCursor(sx, sy);
6540             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
6541                           MB_LEFTBUTTON);
6542             draw_with_brush = TRUE;
6543           }
6544           else if (drawing_function == GADGET_ID_TEXT)
6545             DrawLevelText(sx, sy, 0, TEXT_INIT);
6546           else
6547             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6548         }
6549         else if (last_sx != sx || last_sy != sy)
6550         {
6551           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
6552           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
6553           last_sx = sx;
6554           last_sy = sy;
6555         }
6556       }
6557       break;
6558
6559     case GADGET_ID_FLOOD_FILL:
6560       if (button_press_event && Feld[lx][ly] != new_element)
6561       {
6562         FloodFill(lx, ly, new_element);
6563         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6564         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6565       }
6566       break;
6567
6568     case GADGET_ID_PICK_ELEMENT:
6569       if (button_release_event)
6570         ClickOnGadget(level_editor_gadget[last_drawing_function],
6571                       MB_LEFTBUTTON);
6572       else if (draw_level)
6573         PickDrawingElement(button, Feld[lx][ly]);
6574       else if (id == GADGET_ID_AMOEBA_CONTENT)
6575         PickDrawingElement(button, level.amoeba_content);
6576       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6577         PickDrawingElement(button, custom_element.gfx_element);
6578       else if (id == GADGET_ID_CUSTOM_CONTENT)
6579         PickDrawingElement(button, custom_element.content[sx][sy]);
6580       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6581         PickDrawingElement(button, custom_element_change.target_element);
6582       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6583         PickDrawingElement(button, custom_element_change.content[sx][sy]);
6584       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6585         PickDrawingElement(button, custom_element_change.trigger_element);
6586       else if (id == GADGET_ID_RANDOM_BACKGROUND)
6587         PickDrawingElement(button, random_placement_background_element);
6588       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6589                id <= GADGET_ID_ELEMENT_CONTENT_7)
6590       {
6591         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
6592
6593         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
6594       }
6595
6596       break;
6597
6598     default:
6599       break;
6600   }
6601 }
6602
6603 static void HandleCounterButtons(struct GadgetInfo *gi)
6604 {
6605   int gadget_id = gi->custom_id;
6606   int counter_id = gi->custom_type_id;
6607   int button = gi->event.button;
6608   int *counter_value = counterbutton_info[counter_id].value;
6609   int step = BUTTON_STEPSIZE(button) *
6610     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
6611
6612   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
6613   {
6614     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
6615     boolean released = (gi->event.type == GD_EVENT_RELEASED);
6616     boolean level_changed = LevelChanged();
6617
6618     if ((level_changed && pressed) || (!level_changed && released))
6619       return;
6620
6621     if (level_changed && !Request("Level has changed! Discard changes ?",
6622                                   REQ_ASK))
6623     {
6624       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
6625         ModifyEditorCounter(counter_id, *counter_value);
6626       return;
6627     }
6628   }
6629
6630   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
6631     *counter_value = gi->textinput.number_value;
6632   else
6633     ModifyEditorCounter(counter_id, *counter_value + step);
6634
6635   switch (counter_id)
6636   {
6637     case ED_COUNTER_ID_ELEMENT_CONTENT:
6638       DrawElementContentAreas();
6639       break;
6640
6641     case ED_COUNTER_ID_ENVELOPE_XSIZE:
6642     case ED_COUNTER_ID_ENVELOPE_YSIZE:
6643       DrawEnvelopeTextArea();
6644       break;
6645
6646     case ED_COUNTER_ID_LEVEL_XSIZE:
6647     case ED_COUNTER_ID_LEVEL_YSIZE:
6648       lev_fieldx = level.fieldx;
6649       lev_fieldy = level.fieldy;
6650       break;
6651
6652     case ED_COUNTER_ID_SELECT_LEVEL:
6653       LoadLevel(level_nr);
6654       TapeErase();
6655       ResetUndoBuffer();
6656       DrawEditModeWindow();
6657       break;
6658
6659     default:
6660       break;
6661   }
6662
6663   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
6664        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
6665       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
6666        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
6667     CopyCustomElementPropertiesToGame(properties_element);
6668 }
6669
6670 static void HandleTextInputGadgets(struct GadgetInfo *gi)
6671 {
6672   int type_id = gi->custom_type_id;
6673
6674   strcpy(textinput_info[type_id].value, gi->textinput.value);
6675
6676   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
6677   {
6678     CopyCustomElementPropertiesToGame(properties_element);
6679
6680     ModifyEditorElementList();  /* update changed button info text */
6681   }
6682 }
6683
6684 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
6685 {
6686   int type_id = gi->custom_type_id;
6687
6688   strcpy(textarea_info[type_id].value, gi->textarea.value);
6689 }
6690
6691 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
6692 {
6693   int type_id = gi->custom_type_id;
6694
6695   *selectbox_info[type_id].value =
6696     selectbox_info[type_id].options[gi->selectbox.index].value;
6697
6698   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
6699   {
6700     element_info[properties_element].current_change_page = gi->selectbox.index;
6701
6702     DrawPropertiesWindow();
6703   }
6704   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
6705             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
6706            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
6707             type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
6708     CopyCustomElementPropertiesToGame(properties_element);
6709 }
6710
6711 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
6712 {
6713   int type_id = gi->custom_type_id;
6714   int i;
6715
6716   if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
6717       type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
6718   {
6719     edit_mode_properties = gi->custom_type_id;
6720
6721     DrawPropertiesWindow();
6722   }
6723   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
6724   {
6725     boolean new_template = (!LevelFileExists(-1));
6726
6727     if (new_template ||
6728         Request("Save this tem- plate and kill the old ?", REQ_ASK))
6729       SaveLevelTemplate();
6730
6731     if (new_template)
6732       Request("Tem- plate saved !", REQ_CONFIRM);
6733   }
6734   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
6735            custom_element.num_change_pages < MAX_CHANGE_PAGES)
6736   {
6737     struct ElementInfo *ei = &element_info[properties_element];
6738
6739     setElementChangePages(ei, ei->num_change_pages + 1);
6740
6741     /* set new change page to be new current change page */
6742     ei->current_change_page = ei->num_change_pages - 1;
6743     ei->change = &ei->change_page[ei->current_change_page];
6744
6745     setElementChangeInfoToDefaults(ei->change);
6746
6747     DrawPropertiesWindow();
6748   }
6749   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6750            custom_element.num_change_pages > MIN_CHANGE_PAGES)
6751   {
6752     struct ElementInfo *ei = &element_info[properties_element];
6753
6754     /* copy all change pages after change page to be deleted */
6755     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
6756       ei->change_page[i] = ei->change_page[i + 1];
6757
6758     setElementChangePages(ei, ei->num_change_pages - 1);
6759
6760     DrawPropertiesWindow();
6761   }
6762 }
6763
6764 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
6765 {
6766   int type_id = gi->custom_type_id;
6767
6768   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
6769       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
6770   {
6771     struct ElementInfo *ei = &element_info[properties_element];
6772     int step = BUTTON_STEPSIZE(gi->event.button);
6773
6774     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
6775     ei->current_change_page += step;
6776
6777     if (ei->current_change_page < 0)
6778       ei->current_change_page = 0;
6779     else if (ei->current_change_page >= ei->num_change_pages)
6780       ei->current_change_page = ei->num_change_pages - 1;
6781
6782     DrawPropertiesWindow();
6783   }
6784 }
6785
6786 static void HandleRadiobuttons(struct GadgetInfo *gi)
6787 {
6788   *radiobutton_info[gi->custom_type_id].value =
6789     radiobutton_info[gi->custom_type_id].checked_value;
6790 }
6791
6792 static void HandleCheckbuttons(struct GadgetInfo *gi)
6793 {
6794   int type_id = gi->custom_type_id;
6795
6796   *checkbutton_info[type_id].value ^= TRUE;
6797
6798   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
6799        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
6800       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
6801        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST &&
6802        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
6803   {
6804     CopyCustomElementPropertiesToGame(properties_element);
6805   }
6806
6807   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
6808   {
6809     UpdateCustomElementGraphicGadgets();
6810   }
6811   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
6812   {
6813     if (level.use_custom_template && !LevelFileExists(-1))
6814     {
6815       Request("No level tem- plate found !", REQ_CONFIRM);
6816
6817       level.use_custom_template = FALSE;
6818       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
6819
6820       return;
6821     }
6822
6823     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
6824
6825     DrawEditModeWindow();
6826   }
6827 }
6828
6829 static void HandleControlButtons(struct GadgetInfo *gi)
6830 {
6831   int id = gi->custom_id;
6832   int button = gi->event.button;
6833   int step = BUTTON_STEPSIZE(button);
6834   int new_element = BUTTON_ELEMENT(button);
6835   int x, y;
6836
6837   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
6838     DrawLevelText(0, 0, 0, TEXT_END);
6839
6840   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
6841       id != GADGET_ID_PICK_ELEMENT && edit_mode != ED_MODE_DRAWING &&
6842       drawing_function != GADGET_ID_PICK_ELEMENT &&
6843       !(GetKeyModState() & KMOD_Control))
6844   {
6845     DrawDrawingWindow();
6846     edit_mode = ED_MODE_DRAWING;
6847   }
6848
6849   switch (id)
6850   {
6851     case GADGET_ID_SCROLL_LEFT:
6852       if (level_xpos >= 0)
6853       {
6854         if (lev_fieldx < ed_fieldx - 2)
6855           break;
6856
6857         level_xpos -= step;
6858         if (level_xpos < -1)
6859           level_xpos = -1;
6860         if (button == 1)
6861           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
6862         else
6863           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6864
6865         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6866                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6867       }
6868       break;
6869
6870     case GADGET_ID_SCROLL_RIGHT:
6871       if (level_xpos <= lev_fieldx - ed_fieldx)
6872       {
6873         if (lev_fieldx < ed_fieldx - 2)
6874           break;
6875
6876         level_xpos += step;
6877         if (level_xpos > lev_fieldx - ed_fieldx + 1)
6878           level_xpos = lev_fieldx - ed_fieldx + 1;
6879         if (button == 1)
6880           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
6881         else
6882           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6883
6884         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6885                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6886       }
6887       break;
6888
6889     case GADGET_ID_SCROLL_UP:
6890       if (level_ypos >= 0)
6891       {
6892         if (lev_fieldy < ed_fieldy - 2)
6893           break;
6894
6895         level_ypos -= step;
6896         if (level_ypos < -1)
6897           level_ypos = -1;
6898         if (button == 1)
6899           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
6900         else
6901           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6902
6903         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6904                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6905       }
6906       break;
6907
6908     case GADGET_ID_SCROLL_DOWN:
6909       if (level_ypos <= lev_fieldy - ed_fieldy)
6910       {
6911         if (lev_fieldy < ed_fieldy - 2)
6912           break;
6913
6914         level_ypos += step;
6915         if (level_ypos > lev_fieldy - ed_fieldy + 1)
6916           level_ypos = lev_fieldy - ed_fieldy + 1;
6917         if (button == 1)
6918           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
6919         else
6920           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6921
6922         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6923                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6924       }
6925       break;
6926
6927     case GADGET_ID_SCROLL_HORIZONTAL:
6928       level_xpos = gi->event.item_position - 1;
6929       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6930       break;
6931
6932     case GADGET_ID_SCROLL_VERTICAL:
6933       level_ypos = gi->event.item_position - 1;
6934       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6935       break;
6936
6937     case GADGET_ID_SCROLL_LIST_UP:
6938     case GADGET_ID_SCROLL_LIST_DOWN:
6939     case GADGET_ID_SCROLL_LIST_VERTICAL:
6940       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
6941         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
6942       else
6943       {
6944         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
6945         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
6946
6947         if (element_shift < 0)
6948           element_shift = 0;
6949         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
6950           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
6951
6952         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
6953                      GDI_SCROLLBAR_ITEM_POSITION,
6954                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
6955       }
6956
6957       ModifyEditorElementList();
6958
6959       break;
6960
6961     case GADGET_ID_WRAP_LEFT:
6962       WrapLevel(-step, 0);
6963       break;
6964
6965     case GADGET_ID_WRAP_RIGHT:
6966       WrapLevel(step, 0);
6967       break;
6968
6969     case GADGET_ID_WRAP_UP:
6970       WrapLevel(0, -step);
6971       break;
6972
6973     case GADGET_ID_WRAP_DOWN:
6974       WrapLevel(0, step);
6975       break;
6976
6977     case GADGET_ID_SINGLE_ITEMS:
6978     case GADGET_ID_CONNECTED_ITEMS:
6979     case GADGET_ID_LINE:
6980     case GADGET_ID_ARC:
6981     case GADGET_ID_TEXT:
6982     case GADGET_ID_RECTANGLE:
6983     case GADGET_ID_FILLED_BOX:
6984     case GADGET_ID_FLOOD_FILL:
6985     case GADGET_ID_GRAB_BRUSH:
6986     case GADGET_ID_PICK_ELEMENT:
6987       if (drawing_function != GADGET_ID_PICK_ELEMENT)
6988         last_drawing_function = drawing_function;
6989       drawing_function = id;
6990       draw_with_brush = FALSE;
6991       break;
6992
6993     case GADGET_ID_RANDOM_PLACEMENT:
6994       RandomPlacement(new_element);
6995       break;
6996
6997     case GADGET_ID_PROPERTIES:
6998       if (edit_mode != ED_MODE_PROPERTIES)
6999       {
7000         properties_element = new_element;
7001         DrawPropertiesWindow();
7002         edit_mode = ED_MODE_PROPERTIES;
7003       }
7004       else
7005       {
7006         DrawDrawingWindow();
7007         edit_mode = ED_MODE_DRAWING;
7008       }
7009       break;
7010
7011     case GADGET_ID_UNDO:
7012       if (undo_buffer_steps == 0)
7013       {
7014         Request("Undo buffer empty !", REQ_CONFIRM);
7015         break;
7016       }
7017
7018       if (edit_mode != ED_MODE_DRAWING)
7019       {
7020         DrawDrawingWindow();
7021         edit_mode = ED_MODE_DRAWING;
7022       }
7023
7024       undo_buffer_position =
7025         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
7026       undo_buffer_steps--;
7027
7028       for(x=0; x<lev_fieldx; x++)
7029         for(y=0; y<lev_fieldy; y++)
7030           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
7031       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
7032       break;
7033
7034     case GADGET_ID_INFO:
7035       if (edit_mode != ED_MODE_INFO)
7036       {
7037         DrawLevelInfoWindow();
7038         edit_mode = ED_MODE_INFO;
7039       }
7040       else
7041       {
7042         DrawDrawingWindow();
7043         edit_mode = ED_MODE_DRAWING;
7044       }
7045       break;
7046
7047     case GADGET_ID_CLEAR:
7048       if (edit_mode != ED_MODE_DRAWING)
7049       {
7050         DrawDrawingWindow();
7051         edit_mode = ED_MODE_DRAWING;
7052       }
7053
7054       for(x=0; x<MAX_LEV_FIELDX; x++)
7055         for(y=0; y<MAX_LEV_FIELDY; y++)
7056           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
7057       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
7058
7059       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7060       break;
7061
7062     case GADGET_ID_SAVE:
7063       if (leveldir_current->readonly)
7064       {
7065         Request("This level is read only !", REQ_CONFIRM);
7066         break;
7067       }
7068
7069       if (!LevelContainsPlayer)
7070         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
7071       else
7072       {
7073         boolean new_level = (!LevelFileExists(level_nr));
7074
7075         if (new_level ||
7076             Request("Save this level and kill the old ?", REQ_ASK))
7077         {
7078           CopyPlayfield(Feld, level.field);
7079
7080           SaveLevel(level_nr);
7081         }
7082
7083         if (new_level)
7084           Request("Level saved !", REQ_CONFIRM);
7085       }
7086       break;
7087
7088     case GADGET_ID_TEST:
7089       if (!LevelContainsPlayer)
7090         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
7091       else
7092       {
7093         if (LevelChanged())
7094           level.game_version = GAME_VERSION_ACTUAL;
7095
7096         CopyPlayfield(level.field, FieldBackup);
7097         CopyPlayfield(Feld, level.field);
7098
7099         UnmapLevelEditorGadgets();
7100         UndrawSpecialEditorDoor();
7101
7102         CloseDoor(DOOR_CLOSE_ALL);
7103
7104         DrawCompleteVideoDisplay();
7105
7106         if (setup.autorecord)
7107           TapeStartRecording();
7108
7109         level_editor_test_game = TRUE;
7110         game_status = GAME_MODE_PLAYING;
7111
7112         InitGame();
7113       }
7114       break;
7115
7116     case GADGET_ID_EXIT:
7117       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
7118       break;
7119
7120     default:
7121       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
7122           id <= GADGET_ID_ELEMENTLIST_LAST)
7123       {
7124         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
7125         int new_element = editor_elements[element_position + element_shift];
7126
7127         PickDrawingElement(button, new_element);
7128
7129         if (!stick_element_properties_window &&
7130             drawing_function != GADGET_ID_PICK_ELEMENT &&
7131             !(GetKeyModState() & KMOD_Control))
7132         {
7133           properties_element = new_element;
7134           if (edit_mode == ED_MODE_PROPERTIES)
7135             DrawPropertiesWindow();
7136         }
7137
7138         if (drawing_function == GADGET_ID_PICK_ELEMENT)
7139           ClickOnGadget(level_editor_gadget[last_drawing_function],
7140                         MB_LEFTBUTTON);
7141       }
7142 #ifdef DEBUG
7143       else if (gi->event.type == GD_EVENT_PRESSED)
7144         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
7145       else if (gi->event.type == GD_EVENT_RELEASED)
7146         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
7147       else if (gi->event.type == GD_EVENT_MOVING)
7148         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
7149       else
7150         printf("default: HandleControlButtons: ? (id == %d)\n", id);
7151 #endif
7152       break;
7153   }
7154 }
7155
7156 void HandleLevelEditorKeyInput(Key key)
7157 {
7158   char letter = getCharFromKey(key);
7159   int button = MB_LEFTBUTTON;
7160
7161   if (drawing_function == GADGET_ID_TEXT &&
7162       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
7163   {
7164     if (letter)
7165       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
7166     else if (key == KSYM_Delete || key == KSYM_BackSpace)
7167       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
7168     else if (key == KSYM_Return)
7169       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
7170     else if (key == KSYM_Escape)
7171       DrawLevelText(0, 0, 0, TEXT_END);
7172   }
7173   else if (button_status == MB_RELEASED)
7174   {
7175     int i, id = GADGET_ID_NONE;
7176
7177     switch (key)
7178     {
7179       case KSYM_Left:
7180         id = GADGET_ID_SCROLL_LEFT;
7181         break;
7182       case KSYM_Right:
7183         id = GADGET_ID_SCROLL_RIGHT;
7184         break;
7185       case KSYM_Up:
7186         id = GADGET_ID_SCROLL_UP;
7187         break;
7188       case KSYM_Down:
7189         id = GADGET_ID_SCROLL_DOWN;
7190         break;
7191       case KSYM_Page_Up:
7192         id = GADGET_ID_SCROLL_LIST_UP;
7193         button = MB_RIGHTBUTTON;
7194         break;
7195       case KSYM_Page_Down:
7196         id = GADGET_ID_SCROLL_LIST_DOWN;
7197         button = MB_RIGHTBUTTON;
7198         break;
7199
7200       case KSYM_Escape:
7201         if (edit_mode == ED_MODE_DRAWING)
7202         {
7203           RequestExitLevelEditor(setup.ask_on_escape);
7204         }
7205         else
7206         {
7207           DrawDrawingWindow();
7208           edit_mode = ED_MODE_DRAWING;
7209         }
7210         break;
7211
7212       default:
7213         break;
7214     }
7215
7216     if (id != GADGET_ID_NONE)
7217       ClickOnGadget(level_editor_gadget[id], button);
7218     else if (letter == '.')
7219       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
7220     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
7221       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
7222     else
7223       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
7224         if (letter && letter == control_info[i].shortcut)
7225           if (!anyTextGadgetActive())
7226             ClickOnGadget(level_editor_gadget[i], button);
7227   }
7228 }
7229
7230 void HandleLevelEditorIdle()
7231 {
7232   static unsigned long action_delay = 0;
7233   unsigned long action_delay_value = GameFrameDelay;
7234   int xpos = 1, ypos = 2;
7235
7236   if (edit_mode != ED_MODE_PROPERTIES)
7237     return;
7238
7239   if (!DelayReached(&action_delay, action_delay_value))
7240     return;
7241
7242   DrawGraphicAnimationExt(drawto,
7243                           SX + xpos * TILEX,
7244                           SY + ypos * TILEY + MINI_TILEY / 2,
7245                           el2img(properties_element), -1, NO_MASKING);
7246
7247   MarkTileDirty(xpos, ypos);
7248   MarkTileDirty(xpos, ypos + 1);
7249
7250   FrameCounter++;       /* increase animation frame counter */
7251 }
7252
7253 void ClearEditorGadgetInfoText()
7254 {
7255   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
7256 }
7257
7258 void HandleEditorGadgetInfoText(void *ptr)
7259 {
7260   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
7261   char infotext[MAX_OUTPUT_LINESIZE + 1];
7262   char shortcut[MAX_OUTPUT_LINESIZE + 1];
7263   int max_infotext_len = getMaxInfoTextLength();
7264
7265   if (game_status != GAME_MODE_EDITOR)
7266     return;
7267
7268   ClearEditorGadgetInfoText();
7269
7270   if (gi->event.type == GD_EVENT_INFO_LEAVING)
7271     return;
7272
7273   /* misuse this function to delete brush cursor, if needed */
7274   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
7275     DeleteBrushFromCursor();
7276
7277   if (gi == NULL || gi->info_text == NULL)
7278     return;
7279
7280   strncpy(infotext, gi->info_text, max_infotext_len);
7281   infotext[max_infotext_len] = '\0';
7282
7283   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
7284   {
7285     int key = control_info[gi->custom_id].shortcut;
7286
7287     if (key)
7288     {
7289       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
7290         sprintf(shortcut, " ('.' or '%c')", key);
7291       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
7292         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
7293       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
7294         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
7295       else                                              /* normal case */
7296         sprintf(shortcut, " ('%s%c')",
7297                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
7298
7299       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
7300         strcat(infotext, shortcut);
7301     }
7302   }
7303
7304   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
7305 }
7306
7307 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
7308 {
7309   static int start_lx, start_ly;
7310   char *infotext;
7311   int id = gi->custom_id;
7312   int sx = gi->event.x;
7313   int sy = gi->event.y;
7314   int lx = sx + level_xpos;
7315   int ly = sy + level_ypos;
7316   int min_sx = 0, min_sy = 0;
7317   int max_sx = gi->drawing.area_xsize - 1;
7318   int max_sy = gi->drawing.area_ysize - 1;
7319   int actual_drawing_function = drawing_function;
7320
7321   /* pressed Control key: simulate picking element */
7322   if (GetKeyModState() & KMOD_Control)
7323     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
7324
7325   ClearEditorGadgetInfoText();
7326
7327   if (gi->event.type == GD_EVENT_INFO_LEAVING)
7328     return;
7329
7330   /* make sure to stay inside drawing area boundaries */
7331   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
7332   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
7333
7334   if (id == GADGET_ID_DRAWING_LEVEL)
7335   {
7336     if (button_status)
7337     {
7338       int min_lx = 0, min_ly = 0;
7339       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
7340
7341       /* get positions inside level field */
7342       lx = sx + level_xpos;
7343       ly = sy + level_ypos;
7344
7345       /* make sure to stay inside level field boundaries */
7346       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
7347       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
7348
7349       /* correct drawing area positions accordingly */
7350       sx = lx - level_xpos;
7351       sy = ly - level_ypos;
7352     }
7353
7354     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
7355     {
7356       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
7357       {
7358         if (gi->event.type == GD_EVENT_PRESSED)
7359         {
7360           start_lx = lx;
7361           start_ly = ly;
7362         }
7363
7364         switch (actual_drawing_function)
7365         {
7366           case GADGET_ID_SINGLE_ITEMS:
7367             infotext = "Drawing single items";
7368             break;
7369           case GADGET_ID_CONNECTED_ITEMS:
7370             infotext = "Drawing connected items";
7371             break;
7372           case GADGET_ID_LINE:
7373             infotext = "Drawing line";
7374             break;
7375           case GADGET_ID_ARC:
7376             infotext = "Drawing arc";
7377             break;
7378           case GADGET_ID_TEXT:
7379             infotext = "Setting text cursor";
7380             break;
7381           case GADGET_ID_RECTANGLE:
7382             infotext = "Drawing rectangle";
7383             break;
7384           case GADGET_ID_FILLED_BOX:
7385             infotext = "Drawing filled box";
7386             break;
7387           case GADGET_ID_FLOOD_FILL:
7388             infotext = "Flood fill";
7389             break;
7390           case GADGET_ID_GRAB_BRUSH:
7391             infotext = "Grabbing brush";
7392             break;
7393           case GADGET_ID_PICK_ELEMENT:
7394             infotext = "Picking element";
7395             break;
7396
7397           default:
7398             infotext = "Drawing position";
7399             break;
7400         }
7401
7402         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
7403           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7404                     "%s: %d, %d", infotext, lx, ly);
7405         else
7406           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7407                     "%s: %d, %d", infotext,
7408                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
7409       }
7410       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
7411         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7412                   "%s", getElementInfoText(Feld[lx][ly]));
7413       else
7414         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7415                   "Level position: %d, %d", lx, ly);
7416     }
7417
7418     /* misuse this function to draw brush cursor, if needed */
7419     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
7420     {
7421       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
7422         CopyBrushToCursor(sx, sy);
7423       else
7424         DeleteBrushFromCursor();
7425     }
7426   }
7427   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
7428   {
7429     if (id == GADGET_ID_AMOEBA_CONTENT)
7430       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7431                 getElementInfoText(level.amoeba_content));
7432     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
7433       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7434                 getElementInfoText(custom_element.gfx_element));
7435     else if (id == GADGET_ID_CUSTOM_CONTENT)
7436       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7437                 getElementInfoText(custom_element.content[sx][sy]));
7438     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
7439       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7440                 getElementInfoText(custom_element_change.target_element));
7441     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
7442       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7443                 getElementInfoText(custom_element_change.content[sx][sy]));
7444     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
7445       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7446                 getElementInfoText(custom_element_change.trigger_element));
7447     else if (id == GADGET_ID_RANDOM_BACKGROUND)
7448       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7449                 getElementInfoText(random_placement_background_element));
7450     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
7451              id <= GADGET_ID_ELEMENT_CONTENT_7)
7452     {
7453       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
7454
7455       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7456                 getElementInfoText(level.yamyam_content[i][sx][sy]));
7457     }
7458   }
7459   else
7460   {
7461     if (id == GADGET_ID_AMOEBA_CONTENT)
7462       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7463                 "Amoeba content");
7464     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
7465       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7466                 "Custom graphic element");
7467     else if (id == GADGET_ID_CUSTOM_CONTENT)
7468       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7469                 "Custom element content position: %d, %d", sx, sy);
7470     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
7471       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7472                 "New element after change");
7473     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
7474       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7475                 "New extended elements after change");
7476     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
7477       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7478                 "Other element triggering change");
7479     else if (id == GADGET_ID_RANDOM_BACKGROUND)
7480       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7481                 "Random placement background");
7482     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
7483              id <= GADGET_ID_ELEMENT_CONTENT_7)
7484       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7485                 "Content area %d position: %d, %d",
7486                 id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
7487   }
7488 }
7489
7490 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
7491 {
7492   if (!ask_if_level_has_changed ||
7493       !LevelChanged() ||
7494       Request("Level has changed! Exit without saving ?",
7495               REQ_ASK | REQ_STAY_OPEN))
7496   {
7497     CloseDoor(DOOR_CLOSE_1);
7498     /*
7499     CloseDoor(DOOR_CLOSE_ALL);
7500     */
7501     game_status = GAME_MODE_MAIN;
7502     DrawMainMenu();
7503   }
7504   else
7505   {
7506     CloseDoor(DOOR_CLOSE_1);
7507     BlitBitmap(bitmap_db_door, bitmap_db_door,
7508                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
7509                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
7510     OpenDoor(DOOR_OPEN_1);
7511   }
7512 }