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_COUNT_PUSH_DELAY_RND_XPOS    (ED_SETTINGS_XPOS(1) + 16 * MINI_TILEX)
 102 #define ED_COUNT_MOVE_DELAY_RND_XPOS    ED_COUNT_PUSH_DELAY_RND_XPOS
 103 #define ED_COUNT_CHANGE_DELAY_RND_XPOS  (ED_SETTINGS_XPOS(1) + 13 * MINI_TILEX)
 104
 105 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 106 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 107 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
 108                                          n * ED_COUNTER_YDISTANCE)
 109 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 110                                          n * ED_COUNTER_YDISTANCE - 2)
 111
 112 /* values for element content drawing areas */
 113 /* amoeba content */
 114 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 115 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 116
 117 /* yamyam content */
 118 #define ED_AREA_YAMYAM_CONTENT_XPOS(n)  (ED_AREA_ELEM_CONTENT_XPOS + \
 119                                          5 * (n % 4) * MINI_TILEX)
 120 #define ED_AREA_YAMYAM_CONTENT_YPOS(n)  (ED_AREA_ELEM_CONTENT_YPOS + \
 121                                          6 * (n / 4) * MINI_TILEY)
 122
 123 /* custom change target */
 124 #define ED_AREA_ELEM_CONTENT2_XPOS      (20 * MINI_TILEX)
 125 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(2) + \
 126                                          ED_GADGET_DISTANCE)
 127 /* optional custom graphic */
 128 #define ED_AREA_ELEM_CONTENT3_XPOS      (24 * MINI_TILEX)
 129 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(1) + \
 130                                          ED_GADGET_DISTANCE)
 131 /* custom element content */
 132 #define ED_AREA_ELEM_CONTENT4_XPOS      (29 * MINI_TILEX)
 133 #define ED_AREA_ELEM_CONTENT4_YPOS      (ED_SETTINGS_YPOS(12) + \
 134                                          ED_GADGET_DISTANCE - MINI_TILEY)
 135 /* custom change trigger element */
 136 #define ED_AREA_ELEM_CONTENT5_XPOS      (28 * MINI_TILEX)
 137 #define ED_AREA_ELEM_CONTENT5_YPOS      (ED_SETTINGS_YPOS(7) + \
 138                                          ED_GADGET_DISTANCE)
 139 /* extended custom change target */
 140 #define ED_AREA_ELEM_CONTENT6_XPOS      (29 * MINI_TILEX)
 141 #define ED_AREA_ELEM_CONTENT6_YPOS      (ED_SETTINGS_YPOS(10) + \
 142                                          ED_GADGET_DISTANCE - MINI_TILEY)
 143
 144 /* values for random placement background drawing area */
 145 #define ED_AREA_RANDOM_BACKGROUND_XPOS  (29 * MINI_TILEX)
 146 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 147
 148 /* values for scrolling gadgets for drawing area */
 149 #define ED_SCROLLBUTTON_XPOS            24
 150 #define ED_SCROLLBUTTON_YPOS            0
 151 #define ED_SCROLLBAR_XPOS               24
 152 #define ED_SCROLLBAR_YPOS               64
 153
 154 #define ED_SCROLLBUTTON_XSIZE           16
 155 #define ED_SCROLLBUTTON_YSIZE           16
 156
 157 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 158 #define ED_SCROLL_UP_YPOS               (0)
 159 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 160 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 161 #define ED_SCROLL_LEFT_XPOS             (0)
 162 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 163 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 164 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 165 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 166 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 167 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 168 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 169 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 170 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 171 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 172 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 173
 174 /* values for scrolling gadgets for element list */
 175 #define ED_SCROLLBUTTON2_XPOS           50
 176 #define ED_SCROLLBUTTON2_YPOS           0
 177 #define ED_SCROLLBAR2_XPOS              50
 178 #define ED_SCROLLBAR2_YPOS              20
 179
 180 #define ED_SCROLLBUTTON2_XSIZE          10
 181 #define ED_SCROLLBUTTON2_YSIZE          10
 182
 183 #define ED_SCROLL2_UP_XPOS              85
 184 #define ED_SCROLL2_UP_YPOS              30
 185 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 186 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 187                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 188                                          ED_ELEMENTLIST_YSIZE - \
 189                                          ED_SCROLLBUTTON2_YSIZE)
 190 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 191 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 192                                          ED_SCROLLBUTTON2_YSIZE)
 193 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 194 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 195                                          ED_ELEMENTLIST_YSIZE - \
 196                                          2 * ED_SCROLLBUTTON2_YSIZE)
 197
 198 /* values for checkbutton gadgets */
 199 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 200 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 201 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 202 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 203 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 204 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 205 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 206
 207 /* some positions in the editor control window */
 208 #define ED_BUTTON_ELEM_XPOS             6
 209 #define ED_BUTTON_ELEM_YPOS             30
 210 #define ED_BUTTON_ELEM_XSIZE            22
 211 #define ED_BUTTON_ELEM_YSIZE            22
 212
 213 /* some values for text input, selectbox and counter gadgets */
 214 #define ED_BUTTON_COUNT_YPOS            60
 215 #define ED_BUTTON_COUNT_XSIZE           20
 216 #define ED_BUTTON_COUNT_YSIZE           20
 217 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 218 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 219 #define ED_WIN_COUNT_XSIZE              52
 220 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 221 #define ED_WIN_COUNT2_XPOS              27
 222 #define ED_WIN_COUNT2_YPOS              3
 223 #define ED_WIN_COUNT2_XSIZE             46
 224 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 225
 226 #define ED_BUTTON_MINUS_XPOS            2
 227 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 228 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 229 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 230 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 231                                          ED_WIN_COUNT_XSIZE + 2)
 232 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 233 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 234 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 235
 236 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 237 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 238                                          2 + ED_WIN_COUNT_YSIZE)
 239 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 240 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 241
 242 #define ED_SELECTBOX_BUTTON_XSIZE       14
 243
 244 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 245 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 246                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 247 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 248
 249 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 250 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS + \
 251                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 252 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS + \
 253                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 254
 255 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 256 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 257
 258 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 259 #define INFOTEXT_XPOS                   SX
 260 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 261 #define INFOTEXT_XSIZE                  SXSIZE
 262 #define INFOTEXT_YSIZE                  MINI_TILEX
 263
 264
 265 /*
 266   -----------------------------------------------------------------------------
 267   editor gadget definitions
 268   -----------------------------------------------------------------------------
 269 */
 270
 271 /* drawing toolbox buttons */
 272 #define GADGET_ID_NONE                  -1
 273 #define GADGET_ID_TOOLBOX_FIRST         0
 274
 275 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 276 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 277 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 278 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 279 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 280 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 281 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 282 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 283 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 284 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 285 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 286 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 287 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 288 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 289 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 290 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 291 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 292 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 293 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 294 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 295 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 296 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 297
 298 /* counter button identifiers */
 299 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 300
 301 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 302 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 303 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 304 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 305 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 306 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 307 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 308 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 309 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 310 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 311 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 312 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 313 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 314 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 315 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 316 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 317 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 318 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 319 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 320 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 321 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 322 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 323 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 324 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 325 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 326 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 327 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 328 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 27)
 329 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 28)
 330 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 29)
 331 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 30)
 332 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 31)
 333 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 32)
 334 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 335 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 336 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 35)
 337 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 338 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 339 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 38)
 340 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 341 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 342 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 41)
 343 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 42)
 344 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 43)
 345 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 44)
 346 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 45)
 347 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 46)
 348 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 47)
 349 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 48)
 350 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 49)
 351 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 50)
 352 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 51)
 353 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 52)
 354 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 53)
 355
 356 /* drawing area identifiers */
 357 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 54)
 358
 359 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 360 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 361 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 362 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 363 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 364 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 365 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 366 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 367 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 368 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 369 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 370 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 371 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 372 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 13)
 373 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 14)
 374 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 15)
 375
 376 /* text input identifiers */
 377 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 16)
 378
 379 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 380 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 381 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 382
 383 /* selectbox identifiers */
 384 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 385
 386 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 0)
 387 #define GADGET_ID_CUSTOM_CONSISTENCY    (GADGET_ID_SELECTBOX_FIRST + 1)
 388 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 2)
 389 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 3)
 390 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 4)
 391 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 5)
 392 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 6)
 393 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 7)
 394 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 8)
 395 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 9)
 396 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 10)
 397 #define GADGET_ID_CHANGE_PLAYER_ACTION  (GADGET_ID_SELECTBOX_FIRST + 11)
 398 #define GADGET_ID_CHANGE_COLLIDE_ACTION (GADGET_ID_SELECTBOX_FIRST + 12)
 399 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 13)
 400 #define GADGET_ID_CHANGE_POWER          (GADGET_ID_SELECTBOX_FIRST + 14)
 401
 402 /* textbutton identifiers */
 403 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 15)
 404
 405 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 406 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 407 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 408 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 3)
 409
 410 /* gadgets for scrolling of drawing area */
 411 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_TEXTBUTTON_FIRST + 4)
 412
 413 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 414 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 415 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 416 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 417 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 418 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 419
 420 /* gadgets for scrolling element list */
 421 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 422
 423 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 424 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 425 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 426
 427 /* checkbuttons for level/element properties */
 428 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 429
 430 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 431 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 432 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 433 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 434 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 435 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 436 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 437 #define GADGET_ID_CUSTOM_EXPLODE_RESULT (GADGET_ID_CHECKBUTTON_FIRST + 7)
 438 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 439 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 9)
 440 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 10)
 441 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 11)
 442 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 12)
 443 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 444 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 445 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 446 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 16)
 447 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 17)
 448 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 449 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 450 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 451 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 21)
 452 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 22)
 453 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 454 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 24)
 455 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 25)
 456 #define GADGET_ID_CHANGE_BY_PLAYER      (GADGET_ID_CHECKBUTTON_FIRST + 26)
 457 #define GADGET_ID_CHANGE_BY_COLLISION   (GADGET_ID_CHECKBUTTON_FIRST + 27)
 458 #define GADGET_ID_CHANGE_BY_OTHER       (GADGET_ID_CHECKBUTTON_FIRST + 28)
 459
 460 /* gadgets for buttons in element list */
 461 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 29)
 462 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 463                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 464
 465 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 466
 467 /* radio button numbers */
 468 #define RADIO_NR_NONE                   0
 469 #define RADIO_NR_DRAWING_TOOLBOX        1
 470 #define RADIO_NR_RANDOM_ELEMENTS        2
 471
 472 /* values for counter gadgets */
 473 #define ED_COUNTER_ID_SELECT_LEVEL      0
 474 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 475 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 476 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 477 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 478 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 479 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 480 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 481 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 482 #define ED_COUNTER_ID_CUSTOM_SCORE      9
 483 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   10
 484 #define ED_COUNTER_ID_PUSH_DELAY_FIX    11
 485 #define ED_COUNTER_ID_PUSH_DELAY_RND    12
 486 #define ED_COUNTER_ID_MOVE_DELAY_FIX    13
 487 #define ED_COUNTER_ID_MOVE_DELAY_RND    14
 488 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  15
 489 #define ED_COUNTER_ID_CHANGE_DELAY_RND  16
 490 #define ED_COUNTER_ID_CHANGE_CONT_RND   17
 491
 492 #define ED_NUM_COUNTERBUTTONS           18
 493
 494 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 495 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 496
 497 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM_SCORE
 498 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_MOVE_DELAY_RND
 499
 500 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 501 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 502
 503 /* values for scrollbutton gadgets */
 504 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 505 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 506 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 507 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 508 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 509 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 510
 511 #define ED_NUM_SCROLLBUTTONS            6
 512
 513 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 514 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 515
 516 /* values for scrollbar gadgets */
 517 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 518 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 519 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 520
 521 #define ED_NUM_SCROLLBARS               3
 522
 523 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 524 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 525
 526 /* values for text input gadgets */
 527 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 528 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 529 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 530
 531 #define ED_NUM_TEXTINPUT                3
 532
 533 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 534 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 535
 536 /* values for selectbox gadgets */
 537 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      0
 538 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     1
 539 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   2
 540 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     3
 541 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   4
 542 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    5
 543 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    6
 544 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    7
 545 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       8
 546 #define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY      9
 547 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       10
 548 #define ED_SELECTBOX_ID_CHANGE_PLAYER_ACTION    11
 549 #define ED_SELECTBOX_ID_CHANGE_COLLIDE_ACTION   12
 550 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     13
 551 #define ED_SELECTBOX_ID_CHANGE_POWER            14
 552
 553 #define ED_NUM_SELECTBOX                        15
 554
 555 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 556 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_CONSISTENCY
 557
 558 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 559 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_CHANGE_POWER
 560
 561 /* values for textbutton gadgets */
 562 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 563 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 564 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 565 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       3
 566
 567 #define ED_NUM_TEXTBUTTON                       4
 568
 569 /* values for checkbutton gadgets */
 570 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 571 #define ED_CHECKBUTTON_ID_GRAVITY               1
 572 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 573 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 574 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 575 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     5
 576 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 6
 577 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       7
 578 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       8
 579 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      9
 580 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       10
 581 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         11
 582 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT 12
 583 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   13
 584 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  14
 585 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 15
 586 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    16
 587 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     17
 588 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          18
 589 #define ED_CHECKBUTTON_ID_CHANGE_BY_PLAYER      19
 590 #define ED_CHECKBUTTON_ID_CHANGE_BY_COLLISION   20
 591 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER       21
 592 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  22
 593 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    23
 594 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  24
 595 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     25
 596 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   26
 597
 598 #define ED_NUM_CHECKBUTTONS                     27
 599
 600 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 601 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 602
 603 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE
 604 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 605
 606 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 607 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE
 608
 609 /* values for radiobutton gadgets */
 610 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 611 #define ED_RADIOBUTTON_ID_QUANTITY      1
 612
 613 #define ED_NUM_RADIOBUTTONS             2
 614
 615 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 616 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 617
 618 /* values for drawing area gadgets */
 619 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 620 #define ED_DRAWING_ID_ELEMENT_CONTENT_0         1
 621 #define ED_DRAWING_ID_ELEMENT_CONTENT_1         2
 622 #define ED_DRAWING_ID_ELEMENT_CONTENT_2         3
 623 #define ED_DRAWING_ID_ELEMENT_CONTENT_3         4
 624 #define ED_DRAWING_ID_ELEMENT_CONTENT_4         5
 625 #define ED_DRAWING_ID_ELEMENT_CONTENT_5         6
 626 #define ED_DRAWING_ID_ELEMENT_CONTENT_6         7
 627 #define ED_DRAWING_ID_ELEMENT_CONTENT_7         8
 628 #define ED_DRAWING_ID_AMOEBA_CONTENT            9
 629 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            10
 630 #define ED_DRAWING_ID_CUSTOM_CONTENT            11
 631 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      12
 632 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     13
 633 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     14
 634 #define ED_DRAWING_ID_RANDOM_BACKGROUND         15
 635
 636 #define ED_NUM_DRAWING_AREAS                    16
 637
 638
 639 /*
 640   -----------------------------------------------------------------------------
 641   some internally used definitions
 642   -----------------------------------------------------------------------------
 643 */
 644
 645 /* values for CopyLevelToUndoBuffer() */
 646 #define UNDO_IMMEDIATE                  0
 647 #define UNDO_ACCUMULATE                 1
 648
 649 /* values for scrollbars */
 650 #define ED_SCROLL_NO                    0
 651 #define ED_SCROLL_LEFT                  1
 652 #define ED_SCROLL_RIGHT                 2
 653 #define ED_SCROLL_UP                    4
 654 #define ED_SCROLL_DOWN                  8
 655
 656 /* screens in the level editor */
 657 #define ED_MODE_DRAWING                 0
 658 #define ED_MODE_INFO                    1
 659 #define ED_MODE_PROPERTIES              2
 660
 661 /* sub-screens in the element properties section */
 662 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 663 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 664 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 665
 666 /* how many steps can be cancelled */
 667 #define NUM_UNDO_STEPS                  (10 + 1)
 668
 669 /* values for elements with score for certain actions */
 670 #define MIN_SCORE                       0
 671 #define MAX_SCORE                       255
 672
 673 /* values for elements with count for collecting */
 674 #define MIN_COLLECT_COUNT               0
 675 #define MAX_COLLECT_COUNT               100
 676
 677 /* values for random placement */
 678 #define RANDOM_USE_PERCENTAGE           0
 679 #define RANDOM_USE_QUANTITY             1
 680
 681 /* maximal size of level editor drawing area */
 682 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 683 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 684
 685
 686 /*
 687   -----------------------------------------------------------------------------
 688   some internally used data structure definitions
 689   -----------------------------------------------------------------------------
 690 */
 691
 692 static struct
 693 {
 694   char shortcut;
 695   char *text;
 696 } control_info[ED_NUM_CTRL_BUTTONS] =
 697 {
 698   { 's',        "draw single items"             },
 699   { 'd',        "draw connected items"          },
 700   { 'l',        "draw lines"                    },
 701   { 'a',        "draw arcs"                     },
 702   { 'r',        "draw outline rectangles"       },
 703   { 'R',        "draw filled rectangles"        },
 704   { '\0',       "wrap (rotate) level up"        },
 705   { 't',        "enter text elements"           },
 706   { 'f',        "flood fill"                    },
 707   { '\0',       "wrap (rotate) level left"      },
 708   { '?',        "properties of drawing element" },
 709   { '\0',       "wrap (rotate) level right"     },
 710   { '\0',       "random element placement"      },
 711   { 'b',        "grab brush"                    },
 712   { '\0',       "wrap (rotate) level down"      },
 713   { ',',        "pick drawing element"          },
 714   { 'U',        "undo last operation"           },
 715   { 'I',        "level properties"              },
 716   { 'S',        "save level"                    },
 717   { 'C',        "clear level"                   },
 718   { 'T',        "test level"                    },
 719   { 'E',        "exit level editor"             }
 720 };
 721
 722 static int random_placement_value = 10;
 723 static int random_placement_method = RANDOM_USE_QUANTITY;
 724 static int random_placement_background_element = EL_SAND;
 725 static boolean random_placement_background_restricted = FALSE;
 726 static boolean stick_element_properties_window = FALSE;
 727 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 728 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 729 static struct ElementInfo custom_element;
 730
 731 static struct
 732 {
 733   int x, y;
 734   int min_value, max_value;
 735   int gadget_id_down, gadget_id_up;
 736   int gadget_id_text;
 737   int gadget_id_align;
 738   int *value;
 739   char *text_above, *text_left, *text_right;
 740 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 741 {
 742   /* ---------- level and editor settings ---------------------------------- */
 743
 744   {
 745     DX + 5 - SX,                        DY + 3 - SY,
 746     1,                                  100,
 747     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 748     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
 749     &level_nr,
 750     NULL,                               NULL, NULL
 751   },
 752   {
 753     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 754     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 755     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 756     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
 757     &level.fieldx,
 758     "playfield size:",                  NULL, "width",
 759   },
 760   {
 761     ED_SETTINGS_XPOS(0) + 2 * DXSIZE,   ED_COUNTER_YPOS(2),
 762     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 763     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 764     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
 765     &level.fieldy,
 766     NULL,                               " ", "height",
 767   },
 768   {
 769     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 770     0,                                  999,
 771     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
 772     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
 773     &level.gems_needed,
 774     "number of emeralds to collect:",   NULL, NULL
 775   },
 776   {
 777     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 778     0,                                  999,
 779     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 780     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
 781     &level.time,
 782     "time available to solve level:",   NULL, "(0 => no time limit)"
 783   },
 784   {
 785     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 786     0,                                  255,
 787     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 788     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
 789     &level.score[SC_TIME_BONUS],
 790     "score for each 10 seconds left:",  NULL, NULL
 791   },
 792   {
 793     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 794     1,                                  100,
 795     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 796     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
 797     &random_placement_value,
 798     "random element placement:",        NULL, "in"
 799   },
 800
 801   /* ---------- element settings: configure (various elements) ------------- */
 802
 803   {
 804     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 805     MIN_SCORE,                          MAX_SCORE,
 806     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 807     GADGET_ID_ELEMENT_SCORE_TEXT,       GADGET_ID_NONE,
 808     NULL,                               /* will be set when used */
 809     NULL,                               NULL, NULL
 810   },
 811   {
 812     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 813     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 814     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 815     GADGET_ID_ELEMENT_CONTENT_TEXT,     GADGET_ID_NONE,
 816     &level.num_yamyam_contents,
 817     NULL,                               NULL, "number of content areas"
 818   },
 819
 820   /* ---------- element settings: configure (custom elements) ------------- */
 821
 822   {
 823     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
 824     MIN_SCORE,                          MAX_SCORE,
 825     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
 826     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
 827     &custom_element.collect_score,
 828     NULL,                               "score", NULL
 829   },
 830   {
 831     ED_SETTINGS_XPOS(13) + 10,          ED_SETTINGS_YPOS(3),
 832     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
 833     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
 834     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
 835     &custom_element.collect_count,
 836     NULL,                               "count", NULL
 837   },
 838   {
 839     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 840     0,                                  999,
 841     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
 842     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 843     &custom_element.push_delay_fixed,
 844     NULL,                               "push delay", NULL
 845   },
 846   {
 847     ED_COUNT_PUSH_DELAY_RND_XPOS,       ED_SETTINGS_YPOS(4),
 848     0,                                  999,
 849     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
 850     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
 851     &custom_element.push_delay_random,
 852     NULL,                               "+random", NULL
 853   },
 854   {
 855     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
 856     0,                                  999,
 857     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
 858     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 859     &custom_element.move_delay_fixed,
 860     NULL,                               "move delay", NULL
 861   },
 862   {
 863     ED_COUNT_MOVE_DELAY_RND_XPOS,       ED_SETTINGS_YPOS(7),
 864     0,                                  999,
 865     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
 866     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
 867     &custom_element.move_delay_random,
 868     NULL,                               "+random", NULL
 869   },
 870
 871   /* ---------- element settings: advanced (custom elements) --------------- */
 872
 873   {
 874     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(3),
 875     0,                                  999,
 876     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 877     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
 878     &custom_element.change.delay_fixed,
 879     NULL,                               "delay", NULL,
 880   },
 881   {
 882     ED_COUNT_CHANGE_DELAY_RND_XPOS+20,  ED_SETTINGS_YPOS(3),
 883     0,                                  999,
 884     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 885     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 886     &custom_element.change.delay_random,
 887     NULL,                               "+random", NULL
 888   },
 889   {
 890     ED_SETTINGS_XPOS(3),                ED_SETTINGS_YPOS(12),
 891     0,                                  100,
 892     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
 893     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
 894     &custom_element.change.random,
 895     NULL,                               "use random change:", "(%)"
 896   },
 897 };
 898
 899 static struct
 900 {
 901   int x, y;
 902   int gadget_id;
 903   int size;
 904   char *value;
 905   char *infotext;
 906 } textinput_info[ED_NUM_TEXTINPUT] =
 907 {
 908   {
 909     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
 910     GADGET_ID_LEVEL_NAME,
 911     MAX_LEVEL_NAME_LEN,
 912     level.name,
 913     "Title"
 914   },
 915   {
 916     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 917     GADGET_ID_LEVEL_AUTHOR,
 918     MAX_LEVEL_AUTHOR_LEN,
 919     level.author,
 920     "Author"
 921   },
 922   {
 923     5 * MINI_TILEX,                     5 * MINI_TILEY - ED_BORDER_SIZE,
 924     GADGET_ID_ELEMENT_NAME,
 925     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
 926     custom_element.description,
 927     NULL
 928   }
 929 };
 930
 931 static struct ValueTextInfo options_access_type[] =
 932 {
 933   { EP_WALKABLE,                "walk"                          },
 934   { EP_PASSABLE,                "pass"                          },
 935   { -1,                         NULL                            }
 936 };
 937
 938 static struct ValueTextInfo options_access_layer[] =
 939 {
 940   { EP_ACCESSIBLE_OVER,         "over"                          },
 941   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
 942   { EP_ACCESSIBLE_UNDER,        "under"                         },
 943   { -1,                         NULL                            }
 944 };
 945
 946 static struct ValueTextInfo options_walk_to_action[] =
 947 {
 948   { EP_DIGGABLE,                "diggable"                      },
 949   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
 950   { EP_DROPPABLE,               "collectible & droppable"       },
 951   { EP_PUSHABLE,                "pushable"                      },
 952   { -1,                         NULL                            }
 953 };
 954
 955 static struct ValueTextInfo options_move_pattern[] =
 956 {
 957   { MV_LEFT,                    "left"                          },
 958   { MV_RIGHT,                   "right"                         },
 959   { MV_UP,                      "up"                            },
 960   { MV_DOWN,                    "down"                          },
 961   { MV_HORIZONTAL,              "horizontal"                    },
 962   { MV_VERTICAL,                "vertical"                      },
 963   { MV_ALL_DIRECTIONS,          "all directions"                },
 964   { MV_TOWARDS_PLAYER,          "towards player"                },
 965   { MV_AWAY_FROM_PLAYER,        "away from player"              },
 966   { MV_ALONG_LEFT_SIDE,         "along left side"               },
 967   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
 968   { MV_TURNING_LEFT,            "turning left"                  },
 969   { MV_TURNING_RIGHT,           "turning right"                 },
 970   { -1,                         NULL                            }
 971 };
 972
 973 static struct ValueTextInfo options_move_direction[] =
 974 {
 975   { MV_NO_MOVING,               "automatic"                     },
 976   { MV_LEFT,                    "left"                          },
 977   { MV_RIGHT,                   "right"                         },
 978   { MV_UP,                      "up"                            },
 979   { MV_DOWN,                    "down"                          },
 980   { -1,                         NULL                            }
 981 };
 982
 983 static struct ValueTextInfo options_move_stepsize[] =
 984 {
 985   { 1,                          "very slow"                     },
 986   { 2,                          "slow"                          },
 987   { 4,                          "normal"                        },
 988   { 8,                          "fast"                          },
 989   { 16,                         "very fast"                     },
 990   { -1,                         NULL                            }
 991 };
 992
 993 static struct ValueTextInfo options_smash_targets[] =
 994 {
 995   { EP_CAN_SMASH_PLAYER,        "player"                        },
 996 #if 0
 997   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
 998 #endif
 999   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1000   { -1,                         NULL                            }
1001 };
1002
1003 static struct ValueTextInfo options_slippery_type[] =
1004 {
1005   { SLIPPERY_ANY_RANDOM,        "random"                        },
1006   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1007   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1008   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1009   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1010   { -1,                         NULL                            }
1011 };
1012
1013 static struct ValueTextInfo options_deadliness[] =
1014 {
1015   { EP_DONT_RUN_INTO,           "running into"                  },
1016   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1017   { EP_DONT_TOUCH,              "touching"                      },
1018   { -1,                         NULL                            }
1019 };
1020
1021 static struct ValueTextInfo options_consistency[] =
1022 {
1023   { EP_CAN_EXPLODE_3X3,         "can explode 3x3"               },
1024   { EP_CAN_EXPLODE_1X1,         "can explode 1x1"               },
1025   { EP_INDESTRUCTIBLE,          "indestructible"                },
1026   { -1,                         NULL                            }
1027 };
1028
1029 static struct ValueTextInfo options_time_units[] =
1030 {
1031   { 50,                         "seconds"                       },
1032   { 1,                          "frames"                        },
1033   { -1,                         NULL                            }
1034 };
1035
1036 static struct ValueTextInfo options_change_player_action[] =
1037 {
1038   { CE_TOUCHED_BY_PLAYER,       "touched"                       },
1039   { CE_PRESSED_BY_PLAYER,       "pressed"                       },
1040   { CE_PUSHED_BY_PLAYER,        "pushed"                        },
1041   { CE_DROPPED_BY_PLAYER,       "dropped"                       },
1042   { -1,                         NULL                            }
1043 };
1044
1045 static struct ValueTextInfo options_change_collide_action[] =
1046 {
1047   { CE_COLLISION,               "on collision"                  },
1048   { CE_IMPACT,                  "on impact"                     },
1049   { CE_SMASHED,                 "when smashed"                  },
1050   { -1,                         NULL                            }
1051 };
1052
1053 static struct ValueTextInfo options_change_other_action[] =
1054 {
1055   { CE_OTHER_IS_TOUCHING,       "touching"                      },
1056   { CE_OTHER_IS_CHANGING,       "change of"                     },
1057   { CE_OTHER_IS_EXPLODING,      "explosion of"                  },
1058   { CE_OTHER_GETS_TOUCHED,      "player touches"                },
1059   { CE_OTHER_GETS_PRESSED,      "player presses"                },
1060   { CE_OTHER_GETS_PUSHED,       "player pushes"                 },
1061   { CE_OTHER_GETS_COLLECTED,    "player collects"               },
1062   { CE_OTHER_GETS_DROPPED,      "player drops"                  },
1063   { -1,                         NULL                            }
1064 };
1065
1066 static struct ValueTextInfo options_change_power[] =
1067 {
1068   { CP_NON_DESTRUCTIVE,         "non-destructive"               },
1069   { CP_HALF_DESTRUCTIVE,        "half-destructive"              },
1070   { CP_FULL_DESTRUCTIVE,        "full-destructive"              },
1071   { -1,                         NULL                            }
1072 };
1073
1074 static struct
1075 {
1076   int x, y;
1077   int gadget_id;
1078   int gadget_id_align;
1079   int size;     /* char size of selectbox or '-1' (dynamically determined) */
1080   struct ValueTextInfo *options;
1081   int *value;
1082   char *text_left, *text_right, *infotext;
1083 } selectbox_info[ED_NUM_SELECTBOX] =
1084 {
1085   /* ---------- element settings: configure (custom elements) ------------- */
1086
1087   {
1088     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(1),
1089     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
1090     -1,
1091     options_access_type,
1092     &custom_element.access_type,
1093     "player can", NULL, "type of access to this field"
1094   },
1095   {
1096     ED_SETTINGS_XPOS(11),               ED_SETTINGS_YPOS(1),
1097     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
1098     -1,
1099     options_access_layer,
1100     &custom_element.access_layer,
1101     NULL, NULL, "layer of access for this field"
1102   },
1103   {
1104     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1105     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
1106     -1,
1107     options_walk_to_action,
1108     &custom_element.walk_to_action,
1109     NULL, NULL, "diggable/collectible/pushable"
1110   },
1111   {
1112     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1113     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
1114     -1,
1115     options_move_pattern,
1116     &custom_element.move_pattern,
1117     "can move", NULL, "element move direction"
1118   },
1119   {
1120     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1121     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
1122     -1,
1123     options_move_direction,
1124     &custom_element.move_direction_initial,
1125     "starts moving", NULL, "initial element move direction"
1126   },
1127   {
1128     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1129     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
1130     -1,
1131     options_move_stepsize,
1132     &custom_element.move_stepsize,
1133     "move/fall speed", NULL, "speed of element movement"
1134   },
1135   {
1136     ED_SETTINGS_XPOS(7),                ED_SETTINGS_YPOS(9),
1137     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
1138     -1,
1139     options_smash_targets,
1140     &custom_element.smash_targets,
1141     "can smash", NULL, "elements that can be smashed"
1142   },
1143   {
1144     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(10),
1145     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
1146     -1,
1147     options_slippery_type,
1148     &custom_element.slippery_type,
1149     "slippery", NULL, "where other elements fall down"
1150   },
1151   {
1152     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(11),
1153     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
1154     -1,
1155     options_deadliness,
1156     &custom_element.deadliness,
1157     "deadly when", NULL, "deadliness of element"
1158   },
1159   {
1160     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(12),
1161     GADGET_ID_CUSTOM_CONSISTENCY,       GADGET_ID_NONE,
1162     -1,
1163     options_consistency,
1164     &custom_element.consistency,
1165     NULL, NULL, "consistency/destructibility"
1166   },
1167
1168   /* ---------- element settings: advanced (custom elements) --------------- */
1169
1170   {
1171     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
1172     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
1173     -1,
1174     options_time_units,
1175     &custom_element.change.delay_frames,
1176     "delay time given in", NULL, "delay time units for change"
1177   },
1178   {
1179     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(5),
1180     GADGET_ID_CHANGE_PLAYER_ACTION,     GADGET_ID_NONE,
1181     -1,
1182     options_change_player_action,
1183     &custom_element.change_player_action,
1184     NULL, "by player", "type of player contact"
1185   },
1186   {
1187     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(6),
1188     GADGET_ID_CHANGE_COLLIDE_ACTION,    GADGET_ID_NONE,
1189     -1,
1190     options_change_collide_action,
1191     &custom_element.change_collide_action,
1192     NULL, NULL, "change after impact or smash"
1193   },
1194   {
1195     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(7),
1196     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
1197     -1,
1198     options_change_other_action,
1199     &custom_element.change_other_action,
1200     NULL, "element:", "type of other element action"
1201   },
1202   {
1203     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(10),
1204     GADGET_ID_CHANGE_POWER,             GADGET_ID_NONE,
1205     -1,
1206     options_change_power,
1207     &custom_element.change.power,
1208     "power:", NULL, "power of extended change"
1209   },
1210 };
1211
1212 static struct
1213 {
1214   int x, y;
1215   int gadget_id;
1216   int gadget_id_align;
1217   int size;
1218   char *text, *infotext;
1219 } textbutton_info[ED_NUM_TEXTBUTTON] =
1220 {
1221   {
1222     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1223     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
1224     11, "Information",                  "Show information about element"
1225   },
1226   {
1227     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
1228     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
1229     11, "Configure",                    "Configure element properties"
1230   },
1231   {
1232     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
1233     GADGET_ID_PROPERTIES_ADVANCED,      GADGET_ID_NONE,
1234     11, "Advanced",                     "Advanced element configuration"
1235   },
1236   {
1237     ED_SETTINGS_XPOS(0) + 262,          ED_SETTINGS_YPOS(13),
1238     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
1239     -1, "Save as template",             "Save current settings as new template"
1240   },
1241 };
1242
1243 static struct
1244 {
1245   int gd_x, gd_y;
1246   int x, y;
1247   int gadget_id;
1248   char *infotext;
1249 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
1250 {
1251   {
1252     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
1253     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
1254     GADGET_ID_SCROLL_UP,
1255     "scroll level editing area up"
1256   },
1257   {
1258     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
1259     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
1260     GADGET_ID_SCROLL_DOWN,
1261     "scroll level editing area down"
1262   },
1263   {
1264     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
1265     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
1266     GADGET_ID_SCROLL_LEFT,
1267     "scroll level editing area left"
1268   },
1269   {
1270     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1271     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1272     GADGET_ID_SCROLL_RIGHT,
1273     "scroll level editing area right"
1274   },
1275   {
1276     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1277     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1278     GADGET_ID_SCROLL_LIST_UP,
1279     "scroll element list up ('Page Up')"
1280   },
1281   {
1282     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1283     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
1284     GADGET_ID_SCROLL_LIST_DOWN,
1285     "scroll element list down ('Page Down')"
1286   }
1287 };
1288
1289 static struct
1290 {
1291   int gd_x, gd_y;
1292   int x, y;
1293   int width, height;
1294   int type;
1295   int gadget_id;
1296   char *infotext;
1297 } scrollbar_info[ED_NUM_SCROLLBARS] =
1298 {
1299   {
1300     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1301     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1302     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1303     GD_TYPE_SCROLLBAR_HORIZONTAL,
1304     GADGET_ID_SCROLL_HORIZONTAL,
1305     "scroll level editing area horizontally"
1306   },
1307   {
1308     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1309     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1310     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1311     GD_TYPE_SCROLLBAR_VERTICAL,
1312     GADGET_ID_SCROLL_VERTICAL,
1313     "scroll level editing area vertically"
1314   },
1315   {
1316     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1317     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1318     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1319     GD_TYPE_SCROLLBAR_VERTICAL,
1320     GADGET_ID_SCROLL_LIST_VERTICAL,
1321     "scroll element list vertically"
1322   }
1323 };
1324
1325 static struct
1326 {
1327   int x, y;
1328   int gadget_id;
1329   int gadget_id_align;
1330   int radio_button_nr;
1331   int *value;
1332   int checked_value;
1333   char *text_left, *text_right, *infotext;
1334 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1335 {
1336   {
1337     ED_SETTINGS_XPOS(0) + 160,          ED_COUNTER2_YPOS(8),
1338     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
1339     RADIO_NR_RANDOM_ELEMENTS,
1340     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1341     " ", "percentage",                  "use percentage for random elements"
1342   },
1343   {
1344     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER2_YPOS(8),
1345     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
1346     RADIO_NR_RANDOM_ELEMENTS,
1347     &random_placement_method,           RANDOM_USE_QUANTITY,
1348     " ", "quantity",                    "use quantity for random elements"
1349   }
1350 };
1351
1352 static struct
1353 {
1354   int x, y;
1355   int gadget_id;
1356   int gadget_id_align;
1357   boolean *value;
1358   char *text_left, *text_right, *infotext;
1359 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1360 {
1361   /* ---------- level and editor settings ---------------------------------- */
1362
1363   {
1364     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1365     GADGET_ID_DOUBLE_SPEED,             GADGET_ID_NONE,
1366     &level.double_speed,
1367     NULL, "double speed movement",      "set movement speed of player"
1368   },
1369   {
1370     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER_YPOS(6) - MINI_TILEY,
1371     GADGET_ID_GRAVITY,                  GADGET_ID_DOUBLE_SPEED,
1372     &level.gravity,
1373     " ", "gravity",                     "set level gravity"
1374   },
1375   {
1376     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1377     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
1378     &random_placement_background_restricted,
1379     NULL,
1380     "restrict random placement to:",    "set random placement restriction"
1381   },
1382
1383   /* ---------- element settings: configure (various elements) ------------- */
1384
1385   {
1386     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
1387     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
1388     &stick_element_properties_window,
1389     NULL,
1390     "stick this screen to edit content","stick this screen to edit content"
1391   },
1392   {
1393     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1394     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
1395     &level.em_slippery_gems,
1396     NULL,
1397     "slip down from certain flat walls","use EM style slipping behaviour"
1398   },
1399
1400   /* ---------- element settings: configure (custom elements) ------------- */
1401
1402   {
1403     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1404     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
1405     &custom_element_properties[EP_ACCESSIBLE],
1406     NULL, NULL,                         "player can walk to or pass this field"
1407   },
1408   {
1409     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1410     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
1411     &custom_element_properties[EP_WALK_TO_OBJECT],
1412     NULL, NULL,                         "player can dig/collect/push element"
1413   },
1414   {
1415     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1416     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
1417     &custom_element_properties[EP_CAN_MOVE],
1418     NULL, NULL,                         "element can move in some direction"
1419   },
1420   {
1421     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(9),
1422     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
1423     &custom_element_properties[EP_CAN_FALL],
1424     NULL, "can fall",                   "element can fall down"
1425   },
1426   {
1427     ED_SETTINGS_XPOS(6),                ED_SETTINGS_YPOS(9),
1428     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
1429     &custom_element_properties[EP_CAN_SMASH],
1430     " ", NULL,                          "element can smash other elements"
1431   },
1432   {
1433     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1434     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
1435     &custom_element_properties[EP_SLIPPERY],
1436     NULL, NULL,                         "other elements can fall down from it"
1437   },
1438   {
1439     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(11),
1440     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
1441     &custom_element_properties[EP_DEADLY],
1442     NULL, NULL,                         "element can kill the player"
1443   },
1444   {
1445     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1446     GADGET_ID_CUSTOM_EXPLODE_RESULT,    GADGET_ID_NONE,
1447     &custom_element_properties[EP_EXPLODE_RESULT],
1448     NULL, NULL,                         "set consistency/destructibility"
1449   },
1450   {
1451     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(13),
1452     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
1453     &custom_element.can_explode_by_fire,
1454     NULL, "by fire",                    "element can explode by fire/explosion"
1455   },
1456   {
1457     ED_SETTINGS_XPOS(7),                ED_SETTINGS_YPOS(13),
1458     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
1459     &custom_element.can_explode_smashed,
1460     " ", "smashed",                     "element can explode when smashed"
1461   },
1462   {
1463     ED_SETTINGS_XPOS(13),               ED_SETTINGS_YPOS(13),
1464     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
1465     &custom_element.can_explode_impact,
1466     " ", "impact",                      "element can explode on impact"
1467   },
1468
1469   /* ---------- element settings: advanced (custom elements) --------------- */
1470
1471   {
1472     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1473     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
1474     &custom_element.use_gfx_element,
1475     NULL, "use graphic of element:",    "use graphic for custom element"
1476   },
1477   {
1478     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1479     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
1480     &custom_element_properties[EP_CAN_CHANGE],
1481     NULL, "element changes to:",        "element can change to other element"
1482   },
1483   {
1484     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1485     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
1486     &custom_element_change_events[CE_DELAY],
1487     NULL, NULL,                         "element changes after delay"
1488   },
1489   {
1490     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1491     GADGET_ID_CHANGE_BY_PLAYER,         GADGET_ID_NONE,
1492     &custom_element_change_events[CE_BY_PLAYER],
1493     NULL, NULL,                         "element changes by player contact"
1494   },
1495   {
1496     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1497     GADGET_ID_CHANGE_BY_COLLISION,      GADGET_ID_NONE,
1498     &custom_element_change_events[CE_BY_COLLISION],
1499     NULL, NULL,                         "element changes by impact or smash"
1500   },
1501   {
1502     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
1503     GADGET_ID_CHANGE_BY_OTHER,          GADGET_ID_NONE,
1504     &custom_element_change_events[CE_BY_OTHER],
1505     NULL, NULL,                         "element changes by other element"
1506   },
1507   {
1508     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1509     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
1510     &custom_element.change.explode,
1511     NULL, "explode instead of change",  "element explodes instead of change"
1512   },
1513   {
1514     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
1515     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
1516     &custom_element.change.use_content,
1517     NULL, "use extended change target:","element changes to more elements"
1518   },
1519   {
1520     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(11),
1521     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
1522     &custom_element.change.only_complete,
1523     NULL, "only use complete change",   "only use complete extended content"
1524   },
1525   {
1526     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(12),
1527     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
1528     &custom_element.change.use_random_change,
1529     NULL, NULL,                         "use random value for new content"
1530   },
1531   {
1532     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(13),
1533     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
1534     &level.use_custom_template,
1535     NULL, "use template",               "use template for custom properties"
1536   },
1537 };
1538
1539 static struct
1540 {
1541   int x, y;
1542   int area_xsize, area_ysize;
1543   int gadget_id;
1544   int gadget_id_align;
1545   char *text_left, *text_right, *text_below;
1546 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
1547 {
1548   /* ---------- level playfield content ------------------------------------ */
1549
1550   {
1551     0, 0,
1552     MAX_ED_FIELDX, MAX_ED_FIELDY,
1553     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
1554     NULL, NULL,                         NULL
1555   },
1556
1557   /* ---------- yam yam content -------------------------------------------- */
1558
1559   {
1560     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
1561     3, 3,
1562     GADGET_ID_ELEMENT_CONTENT_0,        GADGET_ID_NONE,
1563     NULL, NULL,                         "1"
1564   },
1565   {
1566     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
1567     3, 3,
1568     GADGET_ID_ELEMENT_CONTENT_1,        GADGET_ID_NONE,
1569     NULL, NULL,                         "2"
1570   },
1571   {
1572     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
1573     3, 3,
1574     GADGET_ID_ELEMENT_CONTENT_2,        GADGET_ID_NONE,
1575     NULL, NULL,                         "3"
1576   },
1577   {
1578     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
1579     3, 3,
1580     GADGET_ID_ELEMENT_CONTENT_3,        GADGET_ID_NONE,
1581     NULL, NULL,                         "4"
1582   },
1583   {
1584     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
1585     3, 3,
1586     GADGET_ID_ELEMENT_CONTENT_4,        GADGET_ID_NONE,
1587     NULL, NULL,                         "5"
1588   },
1589   {
1590     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
1591     3, 3,
1592     GADGET_ID_ELEMENT_CONTENT_5,        GADGET_ID_NONE,
1593     NULL, NULL,                         "6"
1594   },
1595   {
1596     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
1597     3, 3,
1598     GADGET_ID_ELEMENT_CONTENT_6,        GADGET_ID_NONE,
1599     NULL, NULL,                         "7"
1600   },
1601   {
1602     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
1603     3, 3,
1604     GADGET_ID_ELEMENT_CONTENT_7,        GADGET_ID_NONE,
1605     NULL, NULL,                         "8"
1606   },
1607
1608   /* ---------- amoeba content --------------------------------------------- */
1609
1610   {
1611     ED_AREA_ELEM_CONTENT_XPOS,          ED_AREA_ELEM_CONTENT_YPOS,
1612     1, 1,
1613     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
1614     NULL, "content of amoeba",          NULL
1615   },
1616
1617   /* ---------- custom graphic --------------------------------------------- */
1618
1619   {
1620     ED_AREA_ELEM_CONTENT3_XPOS,         ED_AREA_ELEM_CONTENT3_YPOS,
1621     1, 1,
1622     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
1623     NULL, NULL,                         NULL
1624   },
1625
1626   /* ---------- custom content (when exploding) ---------------------------- */
1627
1628   {
1629     ED_AREA_ELEM_CONTENT4_XPOS,         ED_AREA_ELEM_CONTENT4_YPOS,
1630     3, 3,
1631     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
1632     "content:", NULL,                   NULL
1633   },
1634
1635   /* ---------- custom change target --------------------------------------- */
1636
1637   {
1638     ED_AREA_ELEM_CONTENT2_XPOS,         ED_AREA_ELEM_CONTENT2_YPOS,
1639     1, 1,
1640     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
1641     NULL, "after/when:",                NULL
1642   },
1643
1644   /* ---------- custom change content (extended change target) ------------- */
1645
1646   {
1647     ED_AREA_ELEM_CONTENT6_XPOS,         ED_AREA_ELEM_CONTENT6_YPOS,
1648     3, 3,
1649     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
1650     NULL, NULL,                         NULL
1651   },
1652
1653   /* ---------- custom change trigger (element causing change) ------------- */
1654
1655   {
1656     ED_AREA_ELEM_CONTENT5_XPOS,         ED_AREA_ELEM_CONTENT5_YPOS,
1657     1, 1,
1658     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
1659     NULL, NULL,                         NULL
1660   },
1661
1662   /* ---------- random background (for random painting) -------------------- */
1663
1664   {
1665     ED_AREA_RANDOM_BACKGROUND_XPOS,     ED_AREA_RANDOM_BACKGROUND_YPOS,
1666     1, 1,
1667     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
1668     NULL, NULL,                         NULL
1669   },
1670 };
1671
1672
1673 /*
1674   -----------------------------------------------------------------------------
1675   some internally used variables
1676   -----------------------------------------------------------------------------
1677 */
1678
1679 /* actual size of level editor drawing area */
1680 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1681
1682 /* actual position of level editor drawing area in level playfield */
1683 static int level_xpos = -1, level_ypos = -1;
1684
1685 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1686
1687 /* drawing elements on the three mouse buttons */
1688 static int new_element1 = EL_WALL;
1689 static int new_element2 = EL_EMPTY;
1690 static int new_element3 = EL_SAND;
1691
1692 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1693                                 (button) == 2 ? new_element2 : \
1694                                 (button) == 3 ? new_element3 : EL_EMPTY)
1695 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1696
1697 /* forward declaration for internal use */
1698 static void ModifyEditorCounter(int, int);
1699 static void ModifyEditorCounterLimits(int, int, int);
1700 static void ModifyEditorSelectbox(int, int);
1701 static void ModifyEditorElementList();
1702 static void RedrawDrawingElements();
1703 static void DrawDrawingWindow();
1704 static void DrawLevelInfoWindow();
1705 static void DrawPropertiesWindow();
1706 static boolean checkPropertiesConfig();
1707 static void CopyLevelToUndoBuffer(int);
1708 static void HandleDrawingAreas(struct GadgetInfo *);
1709 static void HandleCounterButtons(struct GadgetInfo *);
1710 static void HandleTextInputGadgets(struct GadgetInfo *);
1711 static void HandleSelectboxGadgets(struct GadgetInfo *);
1712 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1713 static void HandleRadiobuttons(struct GadgetInfo *);
1714 static void HandleCheckbuttons(struct GadgetInfo *);
1715 static void HandleControlButtons(struct GadgetInfo *);
1716 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1717
1718 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1719 static int right_gadget_border[NUM_EDITOR_GADGETS];
1720
1721 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1722 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1723 static boolean draw_with_brush = FALSE;
1724 static int properties_element = 0;
1725
1726 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1727 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1728 static int undo_buffer_position = 0;
1729 static int undo_buffer_steps = 0;
1730
1731 static int edit_mode;
1732 static int edit_mode_properties;
1733
1734 static int element_shift = 0;
1735
1736 static int editor_el_boulderdash[] =
1737 {
1738   EL_CHAR('B'),
1739   EL_CHAR('O'),
1740   EL_CHAR('U'),
1741   EL_CHAR('L'),
1742
1743   EL_CHAR('-'),
1744   EL_CHAR('D'),
1745   EL_CHAR('E'),
1746   EL_CHAR('R'),
1747
1748   EL_CHAR('D'),
1749   EL_CHAR('A'),
1750   EL_CHAR('S'),
1751   EL_CHAR('H'),
1752
1753   EL_PLAYER_1,
1754   EL_EMPTY,
1755   EL_SAND,
1756   EL_STEELWALL,
1757
1758   EL_BD_WALL,
1759   EL_BD_MAGIC_WALL,
1760   EL_EXIT_CLOSED,
1761   EL_EXIT_OPEN,
1762
1763   EL_BD_DIAMOND,
1764   EL_BD_BUTTERFLY_UP,
1765   EL_BD_FIREFLY_UP,
1766   EL_BD_ROCK,
1767
1768   EL_BD_BUTTERFLY_LEFT,
1769   EL_BD_FIREFLY_LEFT,
1770   EL_BD_BUTTERFLY_RIGHT,
1771   EL_BD_FIREFLY_RIGHT,
1772
1773   EL_BD_AMOEBA,
1774   EL_BD_BUTTERFLY_DOWN,
1775   EL_BD_FIREFLY_DOWN,
1776   EL_EMPTY,
1777 };
1778 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1779
1780 static int editor_el_emerald_mine[] =
1781 {
1782   EL_CHAR('E'),
1783   EL_CHAR('M'),
1784   EL_CHAR('E'),
1785   EL_CHAR('-'),
1786
1787   EL_CHAR('R'),
1788   EL_CHAR('A'),
1789   EL_CHAR('L'),
1790   EL_CHAR('D'),
1791
1792   EL_CHAR('M'),
1793   EL_CHAR('I'),
1794   EL_CHAR('N'),
1795   EL_CHAR('E'),
1796
1797   EL_PLAYER_1,
1798   EL_PLAYER_2,
1799   EL_PLAYER_3,
1800   EL_PLAYER_4,
1801
1802   EL_PLAYER_1,
1803   EL_EMPTY,
1804   EL_SAND,
1805   EL_ROCK,
1806
1807   EL_STEELWALL,
1808   EL_WALL,
1809   EL_WALL_SLIPPERY,
1810   EL_MAGIC_WALL,
1811
1812   EL_EMERALD,
1813   EL_DIAMOND,
1814   EL_NUT,
1815   EL_BOMB,
1816
1817   EL_WALL_EMERALD,
1818   EL_WALL_DIAMOND,
1819   EL_QUICKSAND_EMPTY,
1820   EL_QUICKSAND_FULL,
1821
1822   EL_DYNAMITE,
1823   EL_DYNAMITE_ACTIVE,
1824   EL_EXIT_CLOSED,
1825   EL_EXIT_OPEN,
1826
1827   EL_YAMYAM,
1828   EL_BUG_UP,
1829   EL_SPACESHIP_UP,
1830   EL_ROBOT,
1831
1832   EL_BUG_LEFT,
1833   EL_SPACESHIP_LEFT,
1834   EL_BUG_RIGHT,
1835   EL_SPACESHIP_RIGHT,
1836
1837   EL_ROBOT_WHEEL,
1838   EL_BUG_DOWN,
1839   EL_SPACESHIP_DOWN,
1840   EL_INVISIBLE_WALL,
1841
1842   EL_ACID_POOL_TOPLEFT,
1843   EL_ACID,
1844   EL_ACID_POOL_TOPRIGHT,
1845   EL_EMPTY,
1846
1847   EL_ACID_POOL_BOTTOMLEFT,
1848   EL_ACID_POOL_BOTTOM,
1849   EL_ACID_POOL_BOTTOMRIGHT,
1850   EL_EMPTY,
1851
1852   EL_AMOEBA_DROP,
1853   EL_AMOEBA_DEAD,
1854   EL_AMOEBA_WET,
1855   EL_AMOEBA_DRY,
1856
1857   EL_EM_KEY_1_FILE,
1858   EL_EM_KEY_2_FILE,
1859   EL_EM_KEY_3_FILE,
1860   EL_EM_KEY_4_FILE,
1861
1862   EL_EM_GATE_1,
1863   EL_EM_GATE_2,
1864   EL_EM_GATE_3,
1865   EL_EM_GATE_4,
1866
1867   EL_EM_GATE_1_GRAY,
1868   EL_EM_GATE_2_GRAY,
1869   EL_EM_GATE_3_GRAY,
1870   EL_EM_GATE_4_GRAY,
1871 };
1872 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1873
1874 static int editor_el_more[] =
1875 {
1876   EL_CHAR('M'),
1877   EL_CHAR('O'),
1878   EL_CHAR('R'),
1879   EL_CHAR('E'),
1880
1881   EL_KEY_1,
1882   EL_KEY_2,
1883   EL_KEY_3,
1884   EL_KEY_4,
1885
1886   EL_GATE_1,
1887   EL_GATE_2,
1888   EL_GATE_3,
1889   EL_GATE_4,
1890
1891   EL_GATE_1_GRAY,
1892   EL_GATE_2_GRAY,
1893   EL_GATE_3_GRAY,
1894   EL_GATE_4_GRAY,
1895
1896   EL_ARROW_LEFT,
1897   EL_ARROW_RIGHT,
1898   EL_ARROW_UP,
1899   EL_ARROW_DOWN,
1900
1901   EL_AMOEBA_FULL,
1902   EL_EMERALD_YELLOW,
1903   EL_EMERALD_RED,
1904   EL_EMERALD_PURPLE,
1905
1906   EL_WALL_BD_DIAMOND,
1907   EL_WALL_EMERALD_YELLOW,
1908   EL_WALL_EMERALD_RED,
1909   EL_WALL_EMERALD_PURPLE,
1910
1911   EL_GAME_OF_LIFE,
1912   EL_PACMAN_UP,
1913   EL_TIME_ORB_FULL,
1914   EL_TIME_ORB_EMPTY,
1915
1916   EL_PACMAN_LEFT,
1917   EL_DARK_YAMYAM,
1918   EL_PACMAN_RIGHT,
1919   EL_EXPANDABLE_WALL,
1920
1921   EL_BIOMAZE,
1922   EL_PACMAN_DOWN,
1923   EL_LAMP,
1924   EL_LAMP_ACTIVE,
1925
1926   EL_DYNABOMB_INCREASE_NUMBER,
1927   EL_DYNABOMB_INCREASE_SIZE,
1928   EL_DYNABOMB_INCREASE_POWER,
1929   EL_STONEBLOCK,
1930
1931   EL_MOLE,
1932   EL_PENGUIN,
1933   EL_PIG,
1934   EL_DRAGON,
1935
1936   EL_EMPTY,
1937   EL_MOLE_UP,
1938   EL_EMPTY,
1939   EL_EMPTY,
1940
1941   EL_MOLE_LEFT,
1942   EL_EMPTY,
1943   EL_MOLE_RIGHT,
1944   EL_EMPTY,
1945
1946   EL_EMPTY,
1947   EL_MOLE_DOWN,
1948   EL_BALLOON,
1949   EL_BALLOON_SWITCH_ANY,
1950
1951   EL_BALLOON_SWITCH_LEFT,
1952   EL_BALLOON_SWITCH_RIGHT,
1953   EL_BALLOON_SWITCH_UP,
1954   EL_BALLOON_SWITCH_DOWN,
1955
1956   EL_SATELLITE,
1957   EL_EXPANDABLE_WALL_HORIZONTAL,
1958   EL_EXPANDABLE_WALL_VERTICAL,
1959   EL_EXPANDABLE_WALL_ANY,
1960
1961   EL_INVISIBLE_STEELWALL,
1962   EL_INVISIBLE_WALL,
1963   EL_SPEED_PILL,
1964   EL_BLACK_ORB,
1965
1966   EL_EMC_STEELWALL_1,
1967   EL_EMC_WALL_1,
1968   EL_EMC_WALL_2,
1969   EL_EMC_WALL_3,
1970
1971   EL_EMC_WALL_4,
1972   EL_EMC_WALL_5,
1973   EL_EMC_WALL_6,
1974   EL_EMC_WALL_7,
1975 };
1976 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1977
1978 static int editor_el_sokoban[] =
1979 {
1980   EL_CHAR('S'),
1981   EL_CHAR('O'),
1982   EL_CHAR('K'),
1983   EL_CHAR('O'),
1984
1985   EL_CHAR('-'),
1986   EL_CHAR('B'),
1987   EL_CHAR('A'),
1988   EL_CHAR('N'),
1989
1990   EL_SOKOBAN_OBJECT,
1991   EL_SOKOBAN_FIELD_EMPTY,
1992   EL_SOKOBAN_FIELD_FULL,
1993   EL_STEELWALL,
1994 };
1995 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1996
1997 static int editor_el_supaplex[] =
1998 {
1999   EL_CHAR('S'),
2000   EL_CHAR('U'),
2001   EL_CHAR('P'),
2002   EL_CHAR('A'),
2003
2004   EL_CHAR('P'),
2005   EL_CHAR('L'),
2006   EL_CHAR('E'),
2007   EL_CHAR('X'),
2008
2009   EL_SP_EMPTY,
2010   EL_SP_ZONK,
2011   EL_SP_BASE,
2012   EL_SP_MURPHY,
2013
2014   EL_SP_INFOTRON,
2015   EL_SP_CHIP_SINGLE,
2016   EL_SP_HARDWARE_GRAY,
2017   EL_SP_EXIT_CLOSED,
2018
2019   EL_SP_DISK_ORANGE,
2020   EL_SP_PORT_RIGHT,
2021   EL_SP_PORT_DOWN,
2022   EL_SP_PORT_LEFT,
2023
2024   EL_SP_PORT_UP,
2025   EL_SP_GRAVITY_PORT_RIGHT,
2026   EL_SP_GRAVITY_PORT_DOWN,
2027   EL_SP_GRAVITY_PORT_LEFT,
2028
2029   EL_SP_GRAVITY_PORT_UP,
2030   EL_SP_SNIKSNAK,
2031   EL_SP_DISK_YELLOW,
2032   EL_SP_TERMINAL,
2033
2034   EL_SP_DISK_RED,
2035   EL_SP_PORT_VERTICAL,
2036   EL_SP_PORT_HORIZONTAL,
2037   EL_SP_PORT_ANY,
2038
2039   EL_SP_ELECTRON,
2040   EL_SP_BUGGY_BASE,
2041   EL_SP_CHIP_LEFT,
2042   EL_SP_CHIP_RIGHT,
2043
2044   EL_SP_HARDWARE_BASE_1,
2045   EL_SP_HARDWARE_GREEN,
2046   EL_SP_HARDWARE_BLUE,
2047   EL_SP_HARDWARE_RED,
2048
2049   EL_SP_HARDWARE_YELLOW,
2050   EL_SP_HARDWARE_BASE_2,
2051   EL_SP_HARDWARE_BASE_3,
2052   EL_SP_HARDWARE_BASE_4,
2053
2054   EL_SP_HARDWARE_BASE_5,
2055   EL_SP_HARDWARE_BASE_6,
2056   EL_SP_CHIP_TOP,
2057   EL_SP_CHIP_BOTTOM,
2058 };
2059 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
2060
2061 static int editor_el_diamond_caves[] =
2062 {
2063   EL_CHAR('D'),
2064   EL_CHAR('I'),
2065   EL_CHAR('A'),
2066   EL_CHAR('-'),
2067
2068   EL_CHAR('M'),
2069   EL_CHAR('O'),
2070   EL_CHAR('N'),
2071   EL_CHAR('D'),
2072
2073   EL_CHAR('C'),
2074   EL_CHAR('A'),
2075   EL_CHAR('V'),
2076   EL_CHAR('E'),
2077
2078   EL_CHAR('S'),
2079   EL_CHAR(' '),
2080   EL_CHAR('I'),
2081   EL_CHAR('I'),
2082
2083   EL_PEARL,
2084   EL_CRYSTAL,
2085   EL_WALL_PEARL,
2086   EL_WALL_CRYSTAL,
2087
2088   EL_CONVEYOR_BELT_1_LEFT,
2089   EL_CONVEYOR_BELT_1_MIDDLE,
2090   EL_CONVEYOR_BELT_1_RIGHT,
2091   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2092
2093   EL_CONVEYOR_BELT_2_LEFT,
2094   EL_CONVEYOR_BELT_2_MIDDLE,
2095   EL_CONVEYOR_BELT_2_RIGHT,
2096   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2097
2098   EL_CONVEYOR_BELT_3_LEFT,
2099   EL_CONVEYOR_BELT_3_MIDDLE,
2100   EL_CONVEYOR_BELT_3_RIGHT,
2101   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2102
2103   EL_CONVEYOR_BELT_4_LEFT,
2104   EL_CONVEYOR_BELT_4_MIDDLE,
2105   EL_CONVEYOR_BELT_4_RIGHT,
2106   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2107
2108   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2109   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2110   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2111   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2112
2113   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2114   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2115   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2116   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2117
2118   EL_SWITCHGATE_OPEN,
2119   EL_SWITCHGATE_CLOSED,
2120   EL_SWITCHGATE_SWITCH_UP,
2121   EL_ENVELOPE,
2122
2123   EL_TIMEGATE_CLOSED,
2124   EL_TIMEGATE_OPEN,
2125   EL_TIMEGATE_SWITCH,
2126   EL_EMPTY,
2127
2128   EL_LANDMINE,
2129   EL_INVISIBLE_SAND,
2130   EL_STEELWALL_SLIPPERY,
2131   EL_EMPTY,
2132
2133   EL_SIGN_EXCLAMATION,
2134   EL_SIGN_STOP,
2135   EL_LIGHT_SWITCH,
2136   EL_LIGHT_SWITCH_ACTIVE,
2137
2138   EL_SHIELD_NORMAL,
2139   EL_SHIELD_DEADLY,
2140   EL_EXTRA_TIME,
2141   EL_EMPTY,
2142 };
2143 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
2144
2145 static int editor_el_dx_boulderdash[] =
2146 {
2147   EL_CHAR('D'),
2148   EL_CHAR('X'),
2149   EL_CHAR('-'),
2150   EL_CHAR(' '),
2151
2152   EL_CHAR('B'),
2153   EL_CHAR('O'),
2154   EL_CHAR('U'),
2155   EL_CHAR('L'),
2156
2157   EL_CHAR('-'),
2158   EL_CHAR('D'),
2159   EL_CHAR('E'),
2160   EL_CHAR('R'),
2161
2162   EL_CHAR('D'),
2163   EL_CHAR('A'),
2164   EL_CHAR('S'),
2165   EL_CHAR('H'),
2166
2167   EL_SPRING,
2168   EL_TUBE_RIGHT_DOWN,
2169   EL_TUBE_HORIZONTAL_DOWN,
2170   EL_TUBE_LEFT_DOWN,
2171
2172   EL_TUBE_HORIZONTAL,
2173   EL_TUBE_VERTICAL_RIGHT,
2174   EL_TUBE_ANY,
2175   EL_TUBE_VERTICAL_LEFT,
2176
2177   EL_TUBE_VERTICAL,
2178   EL_TUBE_RIGHT_UP,
2179   EL_TUBE_HORIZONTAL_UP,
2180   EL_TUBE_LEFT_UP,
2181
2182   EL_TRAP,
2183   EL_DX_SUPABOMB,
2184   EL_EMPTY,
2185   EL_EMPTY
2186 };
2187 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
2188
2189 static int editor_el_chars[] =
2190 {
2191   EL_CHAR('T'),
2192   EL_CHAR('E'),
2193   EL_CHAR('X'),
2194   EL_CHAR('T'),
2195
2196   EL_CHAR(' '),
2197   EL_CHAR('!'),
2198   EL_CHAR('"'),
2199   EL_CHAR('#'),
2200
2201   EL_CHAR('$'),
2202   EL_CHAR('%'),
2203   EL_CHAR('&'),
2204   EL_CHAR('\''),
2205
2206   EL_CHAR('('),
2207   EL_CHAR(')'),
2208   EL_CHAR('*'),
2209   EL_CHAR('+'),
2210
2211   EL_CHAR(','),
2212   EL_CHAR('-'),
2213   EL_CHAR('.'),
2214   EL_CHAR('/'),
2215
2216   EL_CHAR('0'),
2217   EL_CHAR('1'),
2218   EL_CHAR('2'),
2219   EL_CHAR('3'),
2220
2221   EL_CHAR('4'),
2222   EL_CHAR('5'),
2223   EL_CHAR('6'),
2224   EL_CHAR('7'),
2225
2226   EL_CHAR('8'),
2227   EL_CHAR('9'),
2228   EL_CHAR(':'),
2229   EL_CHAR(';'),
2230
2231   EL_CHAR('<'),
2232   EL_CHAR('='),
2233   EL_CHAR('>'),
2234   EL_CHAR('?'),
2235
2236   EL_CHAR('@'),
2237   EL_CHAR('A'),
2238   EL_CHAR('B'),
2239   EL_CHAR('C'),
2240
2241   EL_CHAR('D'),
2242   EL_CHAR('E'),
2243   EL_CHAR('F'),
2244   EL_CHAR('G'),
2245
2246   EL_CHAR('H'),
2247   EL_CHAR('I'),
2248   EL_CHAR('J'),
2249   EL_CHAR('K'),
2250
2251   EL_CHAR('L'),
2252   EL_CHAR('M'),
2253   EL_CHAR('N'),
2254   EL_CHAR('O'),
2255
2256   EL_CHAR('P'),
2257   EL_CHAR('Q'),
2258   EL_CHAR('R'),
2259   EL_CHAR('S'),
2260
2261   EL_CHAR('T'),
2262   EL_CHAR('U'),
2263   EL_CHAR('V'),
2264   EL_CHAR('W'),
2265
2266   EL_CHAR('X'),
2267   EL_CHAR('Y'),
2268   EL_CHAR('Z'),
2269   EL_CHAR('['),
2270
2271   EL_CHAR('\\'),
2272   EL_CHAR(']'),
2273   EL_CHAR('^'),
2274   EL_CHAR('_'),
2275
2276   EL_CHAR('©'),
2277   EL_CHAR('Ä'),
2278   EL_CHAR('Ö'),
2279   EL_CHAR('Ü'),
2280
2281   EL_CHAR('°'),
2282   EL_CHAR('®'),
2283   EL_CHAR(FONT_ASCII_CURSOR),
2284   EL_CHAR(' ')
2285 };
2286 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
2287
2288 static int editor_el_custom[] =
2289 {
2290   EL_CHAR('C'),
2291   EL_CHAR('U'),
2292   EL_CHAR('S'),
2293   EL_CHAR('-'),
2294
2295   EL_CHAR('T'),
2296   EL_CHAR('O'),
2297   EL_CHAR('M'),
2298   EL_CHAR(' '),
2299
2300   EL_CHAR('E'),
2301   EL_CHAR('L'),
2302   EL_CHAR('E'),
2303   EL_CHAR('M'),
2304
2305   EL_CHAR('E'),
2306   EL_CHAR('N'),
2307   EL_CHAR('T'),
2308   EL_CHAR('S'),
2309
2310   EL_CUSTOM_START + 0,
2311   EL_CUSTOM_START + 1,
2312   EL_CUSTOM_START + 2,
2313   EL_CUSTOM_START + 3,
2314
2315   EL_CUSTOM_START + 4,
2316   EL_CUSTOM_START + 5,
2317   EL_CUSTOM_START + 6,
2318   EL_CUSTOM_START + 7,
2319
2320   EL_CUSTOM_START + 8,
2321   EL_CUSTOM_START + 9,
2322   EL_CUSTOM_START + 10,
2323   EL_CUSTOM_START + 11,
2324
2325   EL_CUSTOM_START + 12,
2326   EL_CUSTOM_START + 13,
2327   EL_CUSTOM_START + 14,
2328   EL_CUSTOM_START + 15,
2329
2330   EL_CUSTOM_START + 16,
2331   EL_CUSTOM_START + 17,
2332   EL_CUSTOM_START + 18,
2333   EL_CUSTOM_START + 19,
2334
2335   EL_CUSTOM_START + 20,
2336   EL_CUSTOM_START + 21,
2337   EL_CUSTOM_START + 22,
2338   EL_CUSTOM_START + 23,
2339
2340   EL_CUSTOM_START + 24,
2341   EL_CUSTOM_START + 25,
2342   EL_CUSTOM_START + 26,
2343   EL_CUSTOM_START + 27,
2344
2345   EL_CUSTOM_START + 28,
2346   EL_CUSTOM_START + 29,
2347   EL_CUSTOM_START + 30,
2348   EL_CUSTOM_START + 31,
2349
2350   EL_CUSTOM_START + 32,
2351   EL_CUSTOM_START + 33,
2352   EL_CUSTOM_START + 34,
2353   EL_CUSTOM_START + 35,
2354
2355   EL_CUSTOM_START + 36,
2356   EL_CUSTOM_START + 37,
2357   EL_CUSTOM_START + 38,
2358   EL_CUSTOM_START + 39,
2359
2360   EL_CUSTOM_START + 40,
2361   EL_CUSTOM_START + 41,
2362   EL_CUSTOM_START + 42,
2363   EL_CUSTOM_START + 43,
2364
2365   EL_CUSTOM_START + 44,
2366   EL_CUSTOM_START + 45,
2367   EL_CUSTOM_START + 46,
2368   EL_CUSTOM_START + 47,
2369
2370   EL_CUSTOM_START + 48,
2371   EL_CUSTOM_START + 49,
2372   EL_CUSTOM_START + 50,
2373   EL_CUSTOM_START + 51,
2374
2375   EL_CUSTOM_START + 52,
2376   EL_CUSTOM_START + 53,
2377   EL_CUSTOM_START + 54,
2378   EL_CUSTOM_START + 55,
2379
2380   EL_CUSTOM_START + 56,
2381   EL_CUSTOM_START + 57,
2382   EL_CUSTOM_START + 58,
2383   EL_CUSTOM_START + 59,
2384
2385   EL_CUSTOM_START + 60,
2386   EL_CUSTOM_START + 61,
2387   EL_CUSTOM_START + 62,
2388   EL_CUSTOM_START + 63,
2389
2390   EL_CUSTOM_START + 64,
2391   EL_CUSTOM_START + 65,
2392   EL_CUSTOM_START + 66,
2393   EL_CUSTOM_START + 67,
2394
2395   EL_CUSTOM_START + 68,
2396   EL_CUSTOM_START + 69,
2397   EL_CUSTOM_START + 70,
2398   EL_CUSTOM_START + 71,
2399
2400   EL_CUSTOM_START + 72,
2401   EL_CUSTOM_START + 73,
2402   EL_CUSTOM_START + 74,
2403   EL_CUSTOM_START + 75,
2404
2405   EL_CUSTOM_START + 76,
2406   EL_CUSTOM_START + 77,
2407   EL_CUSTOM_START + 78,
2408   EL_CUSTOM_START + 79,
2409
2410   EL_CUSTOM_START + 80,
2411   EL_CUSTOM_START + 81,
2412   EL_CUSTOM_START + 82,
2413   EL_CUSTOM_START + 83,
2414
2415   EL_CUSTOM_START + 84,
2416   EL_CUSTOM_START + 85,
2417   EL_CUSTOM_START + 86,
2418   EL_CUSTOM_START + 87,
2419
2420   EL_CUSTOM_START + 88,
2421   EL_CUSTOM_START + 89,
2422   EL_CUSTOM_START + 90,
2423   EL_CUSTOM_START + 91,
2424
2425   EL_CUSTOM_START + 92,
2426   EL_CUSTOM_START + 93,
2427   EL_CUSTOM_START + 94,
2428   EL_CUSTOM_START + 95,
2429
2430   EL_CUSTOM_START + 96,
2431   EL_CUSTOM_START + 97,
2432   EL_CUSTOM_START + 98,
2433   EL_CUSTOM_START + 99,
2434
2435   EL_CUSTOM_START + 100,
2436   EL_CUSTOM_START + 101,
2437   EL_CUSTOM_START + 102,
2438   EL_CUSTOM_START + 103,
2439
2440   EL_CUSTOM_START + 104,
2441   EL_CUSTOM_START + 105,
2442   EL_CUSTOM_START + 106,
2443   EL_CUSTOM_START + 107,
2444
2445   EL_CUSTOM_START + 108,
2446   EL_CUSTOM_START + 109,
2447   EL_CUSTOM_START + 110,
2448   EL_CUSTOM_START + 111,
2449
2450   EL_CUSTOM_START + 112,
2451   EL_CUSTOM_START + 113,
2452   EL_CUSTOM_START + 114,
2453   EL_CUSTOM_START + 115,
2454
2455   EL_CUSTOM_START + 116,
2456   EL_CUSTOM_START + 117,
2457   EL_CUSTOM_START + 118,
2458   EL_CUSTOM_START + 119,
2459
2460   EL_CUSTOM_START + 120,
2461   EL_CUSTOM_START + 121,
2462   EL_CUSTOM_START + 122,
2463   EL_CUSTOM_START + 123,
2464
2465   EL_CUSTOM_START + 124,
2466   EL_CUSTOM_START + 125,
2467   EL_CUSTOM_START + 126,
2468   EL_CUSTOM_START + 127
2469 };
2470 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
2471
2472 static int *editor_elements = NULL;     /* dynamically allocated */
2473 static int num_editor_elements = 0;     /* dynamically determined */
2474
2475 static struct
2476 {
2477   boolean *setup_value;
2478   int *element_list;
2479   int *element_list_size;
2480
2481   boolean last_setup_value;
2482 }
2483 editor_elements_info[] =
2484 {
2485   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
2486     &num_editor_el_boulderdash                                          },
2487   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
2488     &num_editor_el_emerald_mine                                         },
2489   { &setup.editor.el_more,              editor_el_more,
2490     &num_editor_el_more                                                 },
2491   { &setup.editor.el_sokoban,           editor_el_sokoban,
2492     &num_editor_el_sokoban                                              },
2493   { &setup.editor.el_supaplex,          editor_el_supaplex,
2494     &num_editor_el_supaplex                                             },
2495   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
2496     &num_editor_el_diamond_caves                                        },
2497   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
2498     &num_editor_el_dx_boulderdash                                       },
2499   { &setup.editor.el_chars,             editor_el_chars,
2500     &num_editor_el_chars                                                },
2501   { &setup.editor.el_custom,            editor_el_custom,
2502     &num_editor_el_custom                                               },
2503   { NULL,                               NULL,
2504     NULL                                                                }
2505 };
2506
2507
2508 /*
2509   -----------------------------------------------------------------------------
2510   functions
2511   -----------------------------------------------------------------------------
2512 */
2513
2514 static void ReinitializeElementList()
2515 {
2516   int pos = 0;
2517   int i, j;
2518
2519   if (editor_elements != NULL)
2520     free(editor_elements);
2521
2522   num_editor_elements = 0;
2523
2524   /* determine size of element list */
2525   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2526     if (*editor_elements_info[i].setup_value)
2527       num_editor_elements += *editor_elements_info[i].element_list_size;
2528
2529   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
2530   {
2531     /* workaround: offer at least as many elements as element buttons exist */
2532     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
2533
2534     *editor_elements_info[list_nr].setup_value = TRUE;
2535     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
2536   }
2537
2538   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
2539
2540   /* fill element list */
2541   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2542     if (*editor_elements_info[i].setup_value)
2543       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
2544         editor_elements[pos++] = editor_elements_info[i].element_list[j];
2545 }
2546
2547 static void ReinitializeElementListButtons()
2548 {
2549   static boolean initialization_needed = TRUE;
2550   int i;
2551
2552   if (!initialization_needed)   /* check if editor element setup has changed */
2553     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2554       if (editor_elements_info[i].last_setup_value !=
2555           *editor_elements_info[i].setup_value)
2556         initialization_needed = TRUE;
2557
2558   if (!initialization_needed)
2559     return;
2560
2561   FreeLevelEditorGadgets();
2562   CreateLevelEditorGadgets();
2563
2564   /* store current setup values for next invocation of this function */
2565   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2566     editor_elements_info[i].last_setup_value =
2567       *editor_elements_info[i].setup_value;
2568
2569   initialization_needed = FALSE;
2570 }
2571
2572 static int getMaxInfoTextLength()
2573 {
2574   return (SXSIZE / getFontWidth(FONT_TEXT_2));
2575 }
2576
2577 static int getTextWidthForGadget(char *text)
2578 {
2579   if (text == NULL)
2580     return 0;
2581
2582   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
2583 }
2584
2585 static int getTextWidthForDrawingArea(char *text)
2586 {
2587   if (text == NULL)
2588     return 0;
2589
2590   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
2591 }
2592
2593 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
2594 {
2595   return (gi->x + gi->width + getTextWidthForGadget(text));
2596 }
2597
2598 static char *getElementInfoText(int element)
2599 {
2600   char *info_text = NULL;
2601
2602   if (element < NUM_FILE_ELEMENTS)
2603   {
2604     if (strlen(element_info[element].description) > 0)
2605       info_text = element_info[element].description;
2606     else if (element_info[element].custom_description != NULL)
2607       info_text = element_info[element].custom_description;
2608     else if (element_info[element].editor_description != NULL)
2609       info_text = element_info[element].editor_description;
2610   }
2611
2612   if (info_text == NULL)
2613   {
2614     info_text = "unknown";
2615
2616     Error(ERR_WARN, "no element description for element %d", element);
2617   }
2618
2619   return info_text;
2620 }
2621
2622 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
2623                               boolean input)
2624 {
2625   int border_graphic =
2626     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
2627   Bitmap *src_bitmap;
2628   int src_x, src_y;
2629   int num_mini_tilex = width / MINI_TILEX + 1;
2630   int num_mini_tiley = width / MINI_TILEY + 1;
2631   int x, y;
2632
2633   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
2634
2635   for (y=0; y < num_mini_tiley; y++)
2636     for (x=0; x < num_mini_tilex; x++)
2637       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
2638                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
2639                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
2640
2641   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
2642 }
2643
2644 static void DrawDrawingArea(int id)
2645 {
2646   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
2647   int x, y;
2648
2649   if (id == ED_DRAWING_ID_RANDOM_BACKGROUND)
2650     DrawMiniGraphicExt(drawto, gi->x, gi->y,
2651                        el2edimg(random_placement_background_element));
2652   else if (id == ED_DRAWING_ID_AMOEBA_CONTENT)
2653     DrawMiniGraphicExt(drawto, gi->x, gi->y, el2edimg(level.amoeba_content));
2654   else if (id == ED_DRAWING_ID_CUSTOM_GRAPHIC)
2655     DrawMiniGraphicExt(drawto, gi->x, gi->y,
2656                        el2edimg(custom_element.gfx_element));
2657   else if (id == ED_DRAWING_ID_CUSTOM_CONTENT)
2658     for (y=0; y<3; y++)
2659       for (x=0; x<3; x++)
2660         DrawMiniGraphicExt(drawto,
2661                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
2662                            el2edimg(custom_element.content[x][y]));
2663   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TARGET)
2664     DrawMiniGraphicExt(drawto, gi->x, gi->y,
2665                        el2edimg(custom_element.change.target_element));
2666   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT)
2667     for (y=0; y < 3; y++)
2668       for (x=0; x < 3; x++)
2669         DrawMiniGraphicExt(drawto,
2670                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
2671                            el2edimg(custom_element.change.content[x][y]));
2672   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER)
2673     DrawMiniGraphicExt(drawto, gi->x, gi->y,
2674                        el2edimg(custom_element.change.trigger_element));
2675   else if (id >= ED_DRAWING_ID_ELEMENT_CONTENT_0 &&
2676            id <= ED_DRAWING_ID_ELEMENT_CONTENT_7)
2677   {
2678     int nr = id - ED_DRAWING_ID_ELEMENT_CONTENT_0;
2679
2680     for (y=0; y < 3; y++)
2681       for (x=0; x < 3; x++)
2682         DrawMiniGraphicExt(drawto,
2683                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
2684                            el2edimg(level.yamyam_content[nr][x][y]));
2685   }
2686 }
2687
2688 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
2689 {
2690   int x,y;
2691   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
2692   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
2693
2694   BlitBitmap(drawto, drawto,
2695              SX + (dx == -1 ? MINI_TILEX : 0),
2696              SY + (dy == -1 ? MINI_TILEY : 0),
2697              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
2698              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
2699              SX + (dx == +1 ? MINI_TILEX : 0),
2700              SY + (dy == +1 ? MINI_TILEY : 0));
2701   if (dx)
2702   {
2703     x = (dx == 1 ? 0 : ed_fieldx - 1);
2704     for(y=0; y<ed_fieldy; y++)
2705       DrawMiniElementOrWall(x, y, from_x, from_y);
2706   }
2707   else if (dy)
2708   {
2709     y = (dy == 1 ? 0 : ed_fieldy - 1);
2710     for(x=0; x<ed_fieldx; x++)
2711       DrawMiniElementOrWall(x, y, from_x, from_y);
2712   }
2713
2714   redraw_mask |= REDRAW_FIELD;
2715   BackToFront();
2716 }
2717
2718 static void CreateControlButtons()
2719 {
2720   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2721   struct GadgetInfo *gi;
2722   unsigned long event_mask;
2723   int i;
2724
2725   /* create toolbox buttons */
2726   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2727   {
2728     int id = i;
2729     int width, height;
2730     int gd_xoffset, gd_yoffset;
2731     int gd_x1, gd_x2, gd_y1, gd_y2;
2732     int button_type;
2733     int radio_button_nr;
2734     boolean checked;
2735
2736     if (id == GADGET_ID_SINGLE_ITEMS ||
2737         id == GADGET_ID_CONNECTED_ITEMS ||
2738         id == GADGET_ID_LINE ||
2739         id == GADGET_ID_ARC ||
2740         id == GADGET_ID_TEXT ||
2741         id == GADGET_ID_RECTANGLE ||
2742         id == GADGET_ID_FILLED_BOX ||
2743         id == GADGET_ID_FLOOD_FILL ||
2744         id == GADGET_ID_GRAB_BRUSH ||
2745         id == GADGET_ID_PICK_ELEMENT)
2746     {
2747       button_type = GD_TYPE_RADIO_BUTTON;
2748       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
2749       checked = (id == drawing_function ? TRUE : FALSE);
2750       event_mask = GD_EVENT_PRESSED;
2751     }
2752     else
2753     {
2754       button_type = GD_TYPE_NORMAL_BUTTON;
2755       radio_button_nr = RADIO_NR_NONE;
2756       checked = FALSE;
2757
2758       if (id == GADGET_ID_WRAP_LEFT ||
2759           id == GADGET_ID_WRAP_RIGHT ||
2760           id == GADGET_ID_WRAP_UP ||
2761           id == GADGET_ID_WRAP_DOWN)
2762         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2763       else
2764         event_mask = GD_EVENT_RELEASED;
2765     }
2766
2767     if (id < ED_NUM_CTRL1_BUTTONS)
2768     {
2769       int x = i % ED_CTRL1_BUTTONS_HORIZ;
2770       int y = i / ED_CTRL1_BUTTONS_HORIZ;
2771
2772       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
2773       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
2774       width = ED_CTRL1_BUTTON_XSIZE;
2775       height = ED_CTRL1_BUTTON_YSIZE;
2776     }
2777     else
2778     {
2779       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
2780       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
2781
2782       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
2783       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
2784       width = ED_CTRL2_BUTTON_XSIZE;
2785       height = ED_CTRL2_BUTTON_YSIZE;
2786     }
2787
2788     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
2789     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
2790     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
2791     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
2792
2793     gi = CreateGadget(GDI_CUSTOM_ID, id,
2794                       GDI_CUSTOM_TYPE_ID, i,
2795                       GDI_INFO_TEXT, control_info[i].text,
2796                       GDI_X, EX + gd_xoffset,
2797                       GDI_Y, EY + gd_yoffset,
2798                       GDI_WIDTH, width,
2799                       GDI_HEIGHT, height,
2800                       GDI_TYPE, button_type,
2801                       GDI_STATE, GD_BUTTON_UNPRESSED,
2802                       GDI_RADIO_NR, radio_button_nr,
2803                       GDI_CHECKED, checked,
2804                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2805                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2806                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2807                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2808                       GDI_EVENT_MASK, event_mask,
2809                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2810                       GDI_CALLBACK_ACTION, HandleControlButtons,
2811                       GDI_END);
2812
2813     if (gi == NULL)
2814       Error(ERR_EXIT, "cannot create gadget");
2815
2816     level_editor_gadget[id] = gi;
2817   }
2818
2819   /* create buttons for scrolling of drawing area and element list */
2820   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
2821   {
2822     int id = scrollbutton_info[i].gadget_id;
2823     int x, y, width, height;
2824     int gd_x1, gd_x2, gd_y1, gd_y2;
2825
2826     x = scrollbutton_info[i].x;
2827     y = scrollbutton_info[i].y;
2828
2829     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2830
2831     if (id == GADGET_ID_SCROLL_LIST_UP ||
2832         id == GADGET_ID_SCROLL_LIST_DOWN)
2833     {
2834       x += DX;
2835       y += DY;
2836       width = ED_SCROLLBUTTON2_XSIZE;
2837       height = ED_SCROLLBUTTON2_YSIZE;
2838       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2839       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2840       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
2841       gd_y2 = gd_y1;
2842     }
2843     else
2844     {
2845       x += SX;
2846       y += SY;
2847       width = ED_SCROLLBUTTON_XSIZE;
2848       height = ED_SCROLLBUTTON_YSIZE;
2849       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2850       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2851       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2852       gd_y2 = gd_y1;
2853     }
2854
2855     gi = CreateGadget(GDI_CUSTOM_ID, id,
2856                       GDI_CUSTOM_TYPE_ID, i,
2857                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2858                       GDI_X, x,
2859                       GDI_Y, y,
2860                       GDI_WIDTH, width,
2861                       GDI_HEIGHT, height,
2862                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2863                       GDI_STATE, GD_BUTTON_UNPRESSED,
2864                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2865                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2866                       GDI_EVENT_MASK, event_mask,
2867                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2868                       GDI_CALLBACK_ACTION, HandleControlButtons,
2869                       GDI_END);
2870
2871     if (gi == NULL)
2872       Error(ERR_EXIT, "cannot create gadget");
2873
2874     level_editor_gadget[id] = gi;
2875   }
2876
2877   /* create buttons for element list */
2878   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2879   {
2880     Bitmap *deco_bitmap;
2881     int deco_x, deco_y, deco_xpos, deco_ypos;
2882     int gd_xoffset, gd_yoffset;
2883     int gd_x1, gd_x2, gd_y;
2884     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
2885     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
2886     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
2887     int element = editor_elements[i];
2888
2889     event_mask = GD_EVENT_RELEASED;
2890
2891     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
2892     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
2893
2894     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
2895     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
2896     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
2897
2898     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
2899     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
2900     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
2901
2902     gi = CreateGadget(GDI_CUSTOM_ID, id,
2903                       GDI_CUSTOM_TYPE_ID, i,
2904                       GDI_INFO_TEXT, getElementInfoText(element),
2905                       GDI_X, DX + gd_xoffset,
2906                       GDI_Y, DY + gd_yoffset,
2907                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
2908                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
2909                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2910                       GDI_STATE, GD_BUTTON_UNPRESSED,
2911                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2912                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2913                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2914                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2915                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2916                       GDI_DECORATION_SHIFTING, 1, 1,
2917                       GDI_EVENT_MASK, event_mask,
2918                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2919                       GDI_CALLBACK_ACTION, HandleControlButtons,
2920                       GDI_END);
2921
2922     if (gi == NULL)
2923       Error(ERR_EXIT, "cannot create gadget");
2924
2925     level_editor_gadget[id] = gi;
2926   }
2927 }
2928
2929 static void CreateCounterButtons()
2930 {
2931   int max_infotext_len = getMaxInfoTextLength();
2932   int i;
2933
2934   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
2935   {
2936     int j;
2937     int x = SX + counterbutton_info[i].x;       /* down count button */
2938     int y = SY + counterbutton_info[i].y;
2939
2940     /* determine horizontal position to the right of specified gadget */
2941     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
2942       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
2943            ED_GADGET_TEXT_DISTANCE);
2944
2945     /* determine horizontal offset for leading text */
2946     if (counterbutton_info[i].text_left != NULL)
2947       x += getTextWidthForGadget(counterbutton_info[i].text_left);
2948
2949     for (j=0; j<2; j++)
2950     {
2951       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2952       struct GadgetInfo *gi;
2953       int id = (j == 0 ?
2954                 counterbutton_info[i].gadget_id_down :
2955                 counterbutton_info[i].gadget_id_up);
2956       int gd_xoffset;
2957       int gd_x, gd_x1, gd_x2, gd_y;
2958       int x_size, y_size;
2959       unsigned long event_mask;
2960       char infotext[max_infotext_len + 1];
2961
2962       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2963
2964       if (i == ED_COUNTER_ID_SELECT_LEVEL)
2965       {
2966         int sid = (j == 0 ?
2967                    ED_SCROLLBUTTON_ID_AREA_LEFT :
2968                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
2969
2970         event_mask |= GD_EVENT_RELEASED;
2971
2972         if (j == 1)
2973           x += 2 * ED_GADGET_DISTANCE;
2974         y += ED_GADGET_DISTANCE;
2975
2976         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
2977         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2978         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
2979         x_size = ED_SCROLLBUTTON_XSIZE;
2980         y_size = ED_SCROLLBUTTON_YSIZE;
2981       }
2982       else
2983       {
2984         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
2985         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2986         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2987         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
2988         x_size = ED_BUTTON_COUNT_XSIZE;
2989         y_size = ED_BUTTON_COUNT_YSIZE;
2990       }
2991
2992       sprintf(infotext, "%s counter value by 1, 5 or 10",
2993               (j == 0 ? "decrease" : "increase"));
2994
2995       gi = CreateGadget(GDI_CUSTOM_ID, id,
2996                         GDI_CUSTOM_TYPE_ID, i,
2997                         GDI_INFO_TEXT, infotext,
2998                         GDI_X, x,
2999                         GDI_Y, y,
3000                         GDI_WIDTH, x_size,
3001                         GDI_HEIGHT, y_size,
3002                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3003                         GDI_STATE, GD_BUTTON_UNPRESSED,
3004                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3005                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3006                         GDI_EVENT_MASK, event_mask,
3007                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3008                         GDI_CALLBACK_ACTION, HandleCounterButtons,
3009                         GDI_END);
3010
3011       if (gi == NULL)
3012         Error(ERR_EXIT, "cannot create gadget");
3013
3014       level_editor_gadget[id] = gi;
3015       right_gadget_border[id] =
3016         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
3017
3018       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
3019
3020       if (j == 0)
3021       {
3022         int font_type = FONT_INPUT_1;
3023         int font_type_active = FONT_INPUT_1_ACTIVE;
3024         int gd_width = ED_WIN_COUNT_XSIZE;
3025
3026         id = counterbutton_info[i].gadget_id_text;
3027         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3028
3029         if (i == ED_COUNTER_ID_SELECT_LEVEL)
3030         {
3031           font_type = FONT_LEVEL_NUMBER;
3032           font_type_active = FONT_LEVEL_NUMBER;
3033
3034           x += 2 * ED_GADGET_DISTANCE;
3035           y -= ED_GADGET_DISTANCE;
3036
3037           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
3038           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
3039           gd_width = ED_WIN_COUNT2_XSIZE;
3040         }
3041         else
3042         {
3043           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3044           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3045         }
3046
3047         gi = CreateGadget(GDI_CUSTOM_ID, id,
3048                           GDI_CUSTOM_TYPE_ID, i,
3049                           GDI_INFO_TEXT, "enter counter value",
3050                           GDI_X, x,
3051                           GDI_Y, y,
3052                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
3053                           GDI_NUMBER_VALUE, 0,
3054                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
3055                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
3056                           GDI_TEXT_SIZE, 3,
3057                           GDI_TEXT_FONT, font_type,
3058                           GDI_TEXT_FONT_ACTIVE, font_type_active,
3059                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3060                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3061                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3062                           GDI_DESIGN_WIDTH, gd_width,
3063                           GDI_EVENT_MASK, event_mask,
3064                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3065                           GDI_CALLBACK_ACTION, HandleCounterButtons,
3066                           GDI_END);
3067
3068         if (gi == NULL)
3069           Error(ERR_EXIT, "cannot create gadget");
3070
3071         level_editor_gadget[id] = gi;
3072         right_gadget_border[id] =
3073           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
3074
3075         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
3076       }
3077     }
3078   }
3079 }
3080
3081 static void CreateDrawingAreas()
3082 {
3083   int i;
3084
3085   for (i=0; i<ED_NUM_DRAWING_AREAS; i++)
3086   {
3087     struct GadgetInfo *gi;
3088     unsigned long event_mask;
3089     int id = drawingarea_info[i].gadget_id;
3090     int x = SX + drawingarea_info[i].x;
3091     int y = SY + drawingarea_info[i].y;
3092     int area_xsize = drawingarea_info[i].area_xsize;
3093     int area_ysize = drawingarea_info[i].area_ysize;
3094
3095     event_mask =
3096       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
3097       GD_EVENT_OFF_BORDERS;
3098
3099     /* determine horizontal position to the right of specified gadget */
3100     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
3101       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
3102            ED_DRAWINGAREA_TEXT_DISTANCE);
3103
3104     /* determine horizontal offset for leading text */
3105     if (drawingarea_info[i].text_left != NULL)
3106       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
3107
3108     gi = CreateGadget(GDI_CUSTOM_ID, id,
3109                       GDI_CUSTOM_TYPE_ID, i,
3110                       GDI_X, x,
3111                       GDI_Y, y,
3112                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
3113                       GDI_AREA_SIZE, area_xsize, area_ysize,
3114                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
3115                       GDI_EVENT_MASK, event_mask,
3116                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
3117                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
3118                       GDI_END);
3119
3120     if (gi == NULL)
3121       Error(ERR_EXIT, "cannot create gadget");
3122
3123     level_editor_gadget[id] = gi;
3124     right_gadget_border[id] =
3125       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
3126   }
3127 }
3128
3129 static void CreateTextInputGadgets()
3130 {
3131   int max_infotext_len = getMaxInfoTextLength();
3132   int i;
3133
3134   for (i=0; i<ED_NUM_TEXTINPUT; i++)
3135   {
3136     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3137     int gd_x, gd_y;
3138     struct GadgetInfo *gi;
3139     unsigned long event_mask;
3140     char infotext[MAX_OUTPUT_LINESIZE + 1];
3141     int id = textinput_info[i].gadget_id;
3142
3143     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3144
3145     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3146     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3147
3148     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
3149     infotext[max_infotext_len] = '\0';
3150
3151     gi = CreateGadget(GDI_CUSTOM_ID, id,
3152                       GDI_CUSTOM_TYPE_ID, i,
3153                       GDI_INFO_TEXT, infotext,
3154                       GDI_X, SX + textinput_info[i].x,
3155                       GDI_Y, SY + textinput_info[i].y,
3156                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
3157                       GDI_TEXT_VALUE, textinput_info[i].value,
3158                       GDI_TEXT_SIZE, textinput_info[i].size,
3159                       GDI_TEXT_FONT, FONT_INPUT_1,
3160                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3161                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3162                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3163                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3164                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3165                       GDI_EVENT_MASK, event_mask,
3166                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3167                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
3168                       GDI_END);
3169
3170     if (gi == NULL)
3171       Error(ERR_EXIT, "cannot create gadget");
3172
3173     level_editor_gadget[id] = gi;
3174   }
3175 }
3176
3177 static void CreateSelectboxGadgets()
3178 {
3179   int max_infotext_len = getMaxInfoTextLength();
3180   int i, j;
3181
3182   for (i=0; i<ED_NUM_SELECTBOX; i++)
3183   {
3184     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3185     int gd_x, gd_y;
3186     struct GadgetInfo *gi;
3187     unsigned long event_mask;
3188     char infotext[MAX_OUTPUT_LINESIZE + 1];
3189     int id = selectbox_info[i].gadget_id;
3190     int x = SX + selectbox_info[i].x;
3191     int y = SY + selectbox_info[i].y;
3192
3193     if (selectbox_info[i].size == -1)   /* dynamically determine size */
3194     {
3195       /* (we cannot use -1 for uninitialized values if we directly compare
3196          with results from strlen(), because the '<' and '>' operation will
3197          implicitely cast -1 to an unsigned integer value!) */
3198       selectbox_info[i].size = 0;
3199
3200       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
3201         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
3202           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
3203
3204       selectbox_info[i].size++;         /* add one character empty space */
3205     }
3206
3207     event_mask = GD_EVENT_RELEASED |
3208       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3209
3210     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
3211     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
3212
3213     /* determine horizontal position to the right of specified gadget */
3214     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
3215       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
3216            ED_GADGET_TEXT_DISTANCE);
3217
3218     /* determine horizontal offset for leading text */
3219     if (selectbox_info[i].text_left != NULL)
3220       x += getTextWidthForGadget(selectbox_info[i].text_left);
3221
3222     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
3223     infotext[max_infotext_len] = '\0';
3224
3225     gi = CreateGadget(GDI_CUSTOM_ID, id,
3226                       GDI_CUSTOM_TYPE_ID, i,
3227                       GDI_INFO_TEXT, infotext,
3228                       GDI_X, x,
3229                       GDI_Y, y,
3230                       GDI_TYPE, GD_TYPE_SELECTBOX,
3231                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
3232                       GDI_TEXT_SIZE, selectbox_info[i].size,
3233                       GDI_TEXT_FONT, FONT_INPUT_1,
3234                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3235                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3236                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3237                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3238                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
3239                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3240                       GDI_EVENT_MASK, event_mask,
3241                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3242                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
3243                       GDI_END);
3244
3245     if (gi == NULL)
3246       Error(ERR_EXIT, "cannot create gadget");
3247
3248     level_editor_gadget[id] = gi;
3249     right_gadget_border[id] =
3250       getRightGadgetBorder(gi, selectbox_info[i].text_right);
3251   }
3252 }
3253
3254 static void CreateTextbuttonGadgets()
3255 {
3256   int max_infotext_len = getMaxInfoTextLength();
3257   int i;
3258
3259   for (i=0; i<ED_NUM_TEXTBUTTON; i++)
3260   {
3261     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3262     int gd_x1, gd_x2, gd_y1, gd_y2;
3263     struct GadgetInfo *gi;
3264     unsigned long event_mask;
3265     char infotext[MAX_OUTPUT_LINESIZE + 1];
3266     int id = textbutton_info[i].gadget_id;
3267     int x = SX + textbutton_info[i].x;
3268     int y = SY + textbutton_info[i].y;
3269
3270     if (textbutton_info[i].size == -1)  /* dynamically determine size */
3271       textbutton_info[i].size = strlen(textbutton_info[i].text);
3272
3273     event_mask = GD_EVENT_RELEASED;
3274
3275     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
3276     {
3277       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
3278       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
3279       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
3280       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
3281     }
3282     else
3283     {
3284       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
3285       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
3286       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
3287       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
3288     }
3289
3290     sprintf(infotext, "%s", textbutton_info[i].infotext);
3291     infotext[max_infotext_len] = '\0';
3292
3293     /* determine horizontal position to the right of specified gadget */
3294     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3295       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
3296            ED_GADGET_TEXT_DISTANCE);
3297
3298     gi = CreateGadget(GDI_CUSTOM_ID, id,
3299                       GDI_CUSTOM_TYPE_ID, i,
3300                       GDI_INFO_TEXT, infotext,
3301                       GDI_X, x,
3302                       GDI_Y, y,
3303                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
3304                       GDI_TEXT_VALUE, textbutton_info[i].text,
3305                       GDI_TEXT_SIZE, textbutton_info[i].size,
3306                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
3307                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
3308                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3309                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3310                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3311                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
3312                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3313                       GDI_DECORATION_SHIFTING, 1, 1,
3314                       GDI_EVENT_MASK, event_mask,
3315                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3316                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
3317                       GDI_END);
3318
3319     if (gi == NULL)
3320       Error(ERR_EXIT, "cannot create gadget");
3321
3322     level_editor_gadget[id] = gi;
3323   }
3324 }
3325
3326 static void CreateScrollbarGadgets()
3327 {
3328   int i;
3329
3330   for (i=0; i<ED_NUM_SCROLLBARS; i++)
3331   {
3332     int id = scrollbar_info[i].gadget_id;
3333     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3334     int gd_x1, gd_x2, gd_y1, gd_y2;
3335     struct GadgetInfo *gi;
3336     int items_max, items_visible, item_position;
3337     unsigned long event_mask;
3338
3339     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
3340     {
3341       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
3342       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
3343       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
3344     }
3345     else        /* drawing area scrollbars */
3346     {
3347       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
3348       {
3349         items_max = MAX(lev_fieldx + 2, ed_fieldx);
3350         items_visible = ed_fieldx;
3351         item_position = 0;
3352       }
3353       else
3354       {
3355         items_max = MAX(lev_fieldy + 2, ed_fieldy);
3356         items_visible = ed_fieldy;
3357         item_position = 0;
3358       }
3359     }
3360
3361     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
3362
3363     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
3364     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
3365                       scrollbar_info[i].height : scrollbar_info[i].width));
3366     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3367     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3368
3369     gi = CreateGadget(GDI_CUSTOM_ID, id,
3370                       GDI_CUSTOM_TYPE_ID, i,
3371                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
3372                       GDI_X, scrollbar_info[i].x,
3373                       GDI_Y, scrollbar_info[i].y,
3374                       GDI_WIDTH, scrollbar_info[i].width,
3375                       GDI_HEIGHT, scrollbar_info[i].height,
3376                       GDI_TYPE, scrollbar_info[i].type,
3377                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
3378                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3379                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
3380                       GDI_STATE, GD_BUTTON_UNPRESSED,
3381                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3382                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3383                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3384                       GDI_EVENT_MASK, event_mask,
3385                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3386                       GDI_CALLBACK_ACTION, HandleControlButtons,
3387                       GDI_END);
3388
3389     if (gi == NULL)
3390       Error(ERR_EXIT, "cannot create gadget");
3391
3392     level_editor_gadget[id] = gi;
3393   }
3394 }
3395
3396 static void CreateCheckbuttonGadgets()
3397 {
3398   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3399   struct GadgetInfo *gi;
3400   unsigned long event_mask;
3401   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3402   int i;
3403
3404   event_mask = GD_EVENT_PRESSED;
3405
3406   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3407   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3408   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3409   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3410   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3411
3412   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
3413   {
3414     int id = checkbutton_info[i].gadget_id;
3415     int x = SX + checkbutton_info[i].x;
3416     int y = SY + checkbutton_info[i].y;
3417
3418     if (id == GADGET_ID_STICK_ELEMENT)
3419       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
3420     else
3421       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
3422
3423     /* determine horizontal position to the right of specified gadget */
3424     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3425       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
3426            ED_GADGET_TEXT_DISTANCE);
3427
3428     /* determine horizontal offset for leading text */
3429     if (checkbutton_info[i].text_left != NULL)
3430       x += getTextWidthForGadget(checkbutton_info[i].text_left);
3431
3432     gi = CreateGadget(GDI_CUSTOM_ID, id,
3433                       GDI_CUSTOM_TYPE_ID, i,
3434                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
3435                       GDI_X, x,
3436                       GDI_Y, y,
3437                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3438                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3439                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
3440                       GDI_CHECKED, *checkbutton_info[i].value,
3441                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3442                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3443                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3444                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3445                       GDI_EVENT_MASK, event_mask,
3446                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3447                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
3448                       GDI_END);
3449
3450     if (gi == NULL)
3451       Error(ERR_EXIT, "cannot create gadget");
3452
3453     level_editor_gadget[id] = gi;
3454     right_gadget_border[id] =
3455       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
3456   }
3457 }
3458
3459 static void CreateRadiobuttonGadgets()
3460 {
3461   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3462   struct GadgetInfo *gi;
3463   unsigned long event_mask;
3464   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3465   int i;
3466
3467   event_mask = GD_EVENT_PRESSED;
3468
3469   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3470   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3471   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3472   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3473   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3474
3475   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
3476   {
3477     int id = radiobutton_info[i].gadget_id;
3478     int x = SX + radiobutton_info[i].x;
3479     int y = SY + radiobutton_info[i].y;
3480
3481     int checked =
3482       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3483
3484     /* determine horizontal position to the right of specified gadget */
3485     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
3486       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
3487            ED_GADGET_TEXT_DISTANCE);
3488
3489     /* determine horizontal offset for leading text */
3490     if (radiobutton_info[i].text_left != NULL)
3491       x += getTextWidthForGadget(radiobutton_info[i].text_left);
3492
3493     gi = CreateGadget(GDI_CUSTOM_ID, id,
3494                       GDI_CUSTOM_TYPE_ID, i,
3495                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
3496                       GDI_X, x,
3497                       GDI_Y, y,
3498                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3499                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3500                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
3501                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
3502                       GDI_CHECKED, checked,
3503                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3504                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3505                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3506                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3507                       GDI_EVENT_MASK, event_mask,
3508                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3509                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
3510                       GDI_END);
3511
3512     if (gi == NULL)
3513       Error(ERR_EXIT, "cannot create gadget");
3514
3515     level_editor_gadget[id] = gi;
3516     right_gadget_border[id] =
3517       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
3518   }
3519 }
3520
3521 void CreateLevelEditorGadgets()
3522 {
3523   int old_game_status = game_status;
3524
3525   /* setting 'game_status' is needed to get the right fonts for the editor */
3526   game_status = GAME_MODE_EDITOR;
3527
3528   ReinitializeElementList();
3529
3530   CreateControlButtons();
3531   CreateScrollbarGadgets();
3532
3533   /* order of function calls is important because of cross-references */
3534   CreateCheckbuttonGadgets();
3535   CreateCounterButtons();
3536   CreateRadiobuttonGadgets();
3537   CreateTextInputGadgets();
3538   CreateTextbuttonGadgets();
3539   CreateSelectboxGadgets();
3540   CreateDrawingAreas();
3541
3542   game_status = old_game_status;
3543 }
3544
3545 void FreeLevelEditorGadgets()
3546 {
3547   int i;
3548
3549   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3550     FreeGadget(level_editor_gadget[i]);
3551 }
3552
3553 static void MapCounterButtons(int id)
3554 {
3555   int gadget_id_down = counterbutton_info[id].gadget_id_down;
3556   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
3557   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
3558   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
3559 #if 0
3560   char infotext[MAX_OUTPUT_LINESIZE + 1];
3561   int max_infotext_len = getMaxInfoTextLength();
3562   int xoffset_left = 0;
3563   int yoffset_left = ED_BORDER_SIZE;
3564   int xoffset_right = getCounterGadgetWidth();
3565   int yoffset_right = ED_BORDER_SIZE;
3566 #else
3567   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
3568   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
3569   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
3570   int yoffset = ED_BORDER_SIZE;
3571   int x_left = gi_down->x - xoffset_left;
3572   int x_right = gi_up->x + gi_up->width + xoffset_right;
3573   int y_above = gi_down->y - yoffset_above;
3574   int x = gi_down->x;
3575   int y = gi_up->y + yoffset;
3576 #endif
3577
3578   if (counterbutton_info[id].text_above)
3579     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
3580
3581   if (counterbutton_info[id].text_left)
3582     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
3583
3584   if (counterbutton_info[id].text_right)
3585     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
3586
3587   ModifyEditorCounter(id, *counterbutton_info[id].value);
3588
3589   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
3590   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
3591   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
3592 }
3593
3594 static void MapControlButtons()
3595 {
3596   int counter_id;
3597   int i;
3598
3599   /* map toolbox buttons */
3600   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
3601     MapGadget(level_editor_gadget[i]);
3602
3603   /* map buttons to select elements */
3604   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3605     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
3606   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
3607   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
3608   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
3609
3610   /* map buttons to select level */
3611   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
3612   ModifyEditorCounterLimits(counter_id,
3613                             leveldir_current->first_level,
3614                             leveldir_current->last_level);
3615   MapCounterButtons(counter_id);
3616 }
3617
3618 static void MapDrawingArea(int id)
3619 {
3620   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
3621   int area_xsize = gi->drawing.area_xsize;
3622   int area_ysize = gi->drawing.area_ysize;
3623   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
3624   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
3625   int x_left  = gi->x - xoffset_left;
3626   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
3627   int x_below = gi->x + (gi->width - xoffset_below) / 2;
3628   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
3629   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
3630
3631   if (drawingarea_info[id].text_left)
3632     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
3633
3634   if (drawingarea_info[id].text_right)
3635     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
3636
3637   if (drawingarea_info[id].text_below)
3638     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
3639
3640   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
3641   {
3642     DrawElementBorder(gi->x, gi->y,
3643                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
3644
3645     DrawDrawingArea(id);
3646   }
3647
3648   MapGadget(gi);
3649 }
3650
3651 static void MapTextInputGadget(int id)
3652 {
3653   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
3654   char infotext[MAX_OUTPUT_LINESIZE + 1];
3655   int max_infotext_len = getMaxInfoTextLength();
3656   int xoffset_above = 0;
3657   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3658   int x = textinput_info[id].x + xoffset_above;
3659   int y = textinput_info[id].y + yoffset_above;
3660
3661   if (textinput_info[id].infotext)
3662   {
3663     sprintf(infotext, "%s:", textinput_info[id].infotext);
3664     infotext[max_infotext_len] = '\0';
3665     DrawTextF(x, y, FONT_TEXT_1, infotext);
3666   }
3667
3668   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
3669
3670   MapGadget(gi);
3671 }
3672
3673 static void MapSelectboxGadget(int id)
3674 {
3675   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
3676   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
3677   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
3678   int yoffset = ED_BORDER_SIZE;
3679   int x_left = gi->x - xoffset_left;
3680   int x_right = gi->x + gi->width + xoffset_right;
3681   int y = gi->y + yoffset;
3682
3683   if (selectbox_info[id].text_left)
3684     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
3685
3686   if (selectbox_info[id].text_right)
3687     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
3688
3689   ModifyEditorSelectbox(id, *selectbox_info[id].value);
3690
3691   MapGadget(gi);
3692 }
3693
3694 static void MapTextbuttonGadget(int id)
3695 {
3696   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
3697
3698   MapGadget(gi);
3699 }
3700
3701 static void MapRadiobuttonGadget(int id)
3702 {
3703   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
3704 #if 0
3705   int xoffset_right = ED_XOFFSET_CHECKBOX;
3706   int yoffset_right = ED_BORDER_SIZE;
3707   int x = radiobutton_info[id].x + xoffset_right;
3708   int y = radiobutton_info[id].y + yoffset_right;
3709 #else
3710   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
3711   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
3712   int yoffset = ED_BORDER_SIZE;
3713   int x_left = gi->x - xoffset_left;
3714   int x_right = gi->x + gi->width + xoffset_right;
3715   int y = gi->y + yoffset;
3716 #endif
3717   boolean checked =
3718     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
3719
3720   if (radiobutton_info[id].text_left)
3721     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
3722
3723   if (radiobutton_info[id].text_right)
3724     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
3725
3726   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
3727
3728   MapGadget(gi);
3729 }
3730
3731 static void MapCheckbuttonGadget(int id)
3732 {
3733   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
3734 #if 0
3735   int xoffset_right = ED_XOFFSET_CHECKBOX;
3736   int yoffset_right = ED_BORDER_SIZE;
3737   int x = checkbutton_info[id].x + xoffset_right;
3738   int y = checkbutton_info[id].y + yoffset_right;
3739 #else
3740   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
3741   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
3742   int yoffset = ED_BORDER_SIZE;
3743   int x_left = gi->x - xoffset_left;
3744   int x_right = gi->x + gi->width + xoffset_right;
3745   int y = gi->y + yoffset;
3746 #endif
3747
3748   /* special case needed for "sticky" gadget */
3749   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value,
3750                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
3751   y = gi->y + yoffset;
3752
3753   if (checkbutton_info[id].text_left)
3754     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
3755
3756   if (checkbutton_info[id].text_right)
3757     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
3758
3759   MapGadget(gi);
3760 }
3761
3762 static void MapMainDrawingArea()
3763 {
3764   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
3765   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
3766   int i;
3767
3768   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
3769   {
3770     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
3771           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
3772          no_horizontal_scrollbar) ||
3773         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
3774           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
3775          no_vertical_scrollbar))
3776       continue;
3777
3778     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
3779   }
3780
3781   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
3782   {
3783     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
3784         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
3785       continue;
3786
3787     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
3788   }
3789
3790   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
3791 }
3792
3793 static void UnmapDrawingArea(int id)
3794 {
3795   UnmapGadget(level_editor_gadget[id]);
3796 }
3797
3798 void UnmapLevelEditorWindowGadgets()
3799 {
3800   int i;
3801
3802   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3803     if (level_editor_gadget[i]->x < SX + SXSIZE)
3804       UnmapGadget(level_editor_gadget[i]);
3805 }
3806
3807 void UnmapLevelEditorGadgets()
3808 {
3809   int i;
3810
3811   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3812     UnmapGadget(level_editor_gadget[i]);
3813 }
3814
3815 static void ResetUndoBuffer()
3816 {
3817   undo_buffer_position = -1;
3818   undo_buffer_steps = -1;
3819   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3820 }
3821
3822 static void DrawEditModeWindow()
3823 {
3824   ModifyEditorElementList();
3825   RedrawDrawingElements();
3826
3827   if (edit_mode == ED_MODE_INFO)
3828     DrawLevelInfoWindow();
3829   else if (edit_mode == ED_MODE_PROPERTIES)
3830     DrawPropertiesWindow();
3831   else  /* edit_mode == ED_MODE_DRAWING */
3832     DrawDrawingWindow();
3833 }
3834
3835 static boolean LevelChanged()
3836 {
3837   boolean level_changed = FALSE;
3838   int x, y;
3839
3840   for(y=0; y<lev_fieldy; y++)
3841     for(x=0; x<lev_fieldx; x++)
3842       if (Feld[x][y] != level.field[x][y])
3843         level_changed = TRUE;
3844
3845   return level_changed;
3846 }
3847
3848 static boolean LevelContainsPlayer()
3849 {
3850   boolean player_found = FALSE;
3851   int x, y;
3852
3853   for(y=0; y<lev_fieldy; y++)
3854     for(x=0; x<lev_fieldx; x++)
3855       if (Feld[x][y] == EL_PLAYER_1 ||
3856           Feld[x][y] == EL_SP_MURPHY)
3857         player_found = TRUE;
3858
3859   return player_found;
3860 }
3861
3862 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
3863                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
3864 {
3865   int x, y;
3866
3867   for(x=0; x<lev_fieldx; x++)
3868     for(y=0; y<lev_fieldy; y++)
3869       dst[x][y] = src[x][y];
3870 }
3871
3872 static int SetSelectboxValue(int selectbox_id, int new_value)
3873 {
3874   int new_index_value = 0;
3875   int i;
3876
3877   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
3878     if (selectbox_info[selectbox_id].options[i].value == new_value)
3879       new_index_value = i;
3880
3881   *selectbox_info[selectbox_id].value =
3882     selectbox_info[selectbox_id].options[new_index_value].value;
3883
3884   return new_index_value;
3885 }
3886
3887 static void CopyCustomElementPropertiesToEditor(int element)
3888 {
3889   int i;
3890
3891   /* needed here to initialize combined element properties */
3892   InitElementPropertiesEngine(level.game_version);
3893
3894   custom_element = element_info[element];
3895
3896   /* needed to initially set selectbox value variables to reliable defaults */
3897   for (i=0; i < ED_NUM_SELECTBOX; i++)
3898     SetSelectboxValue(i, *selectbox_info[i].value);
3899
3900   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3901     custom_element_properties[i] = HAS_PROPERTY(element, i);
3902
3903   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3904     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
3905
3906   /* ---------- element settings: configure (custom elements) ------------- */
3907
3908   /* set accessible layer selectbox help value */
3909   custom_element.access_type =
3910     (IS_WALKABLE(element) ? EP_WALKABLE :
3911      IS_PASSABLE(element) ? EP_PASSABLE :
3912      custom_element.access_type);
3913   custom_element.access_layer =
3914     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
3915      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
3916      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
3917      custom_element.access_layer);
3918   custom_element_properties[EP_ACCESSIBLE] =
3919     (IS_ACCESSIBLE_OVER(element) ||
3920      IS_ACCESSIBLE_INSIDE(element) ||
3921      IS_ACCESSIBLE_UNDER(element));
3922
3923   /* set walk-to-object action selectbox help value */
3924   custom_element.walk_to_action =
3925     (IS_DIGGABLE(element) ? EP_DIGGABLE :
3926      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
3927      IS_DROPPABLE(element) ? EP_DROPPABLE :
3928      IS_PUSHABLE(element) ? EP_PUSHABLE :
3929      custom_element.walk_to_action);
3930   custom_element_properties[EP_WALK_TO_OBJECT] =
3931     (IS_DIGGABLE(element) ||
3932      IS_COLLECTIBLE_ONLY(element) ||
3933      IS_DROPPABLE(element) ||
3934      IS_PUSHABLE(element));
3935
3936   /* set smash targets selectbox help value */
3937   custom_element.smash_targets =
3938     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
3939      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
3940      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
3941      custom_element.smash_targets);
3942   custom_element_properties[EP_CAN_SMASH] =
3943     (CAN_SMASH_EVERYTHING(element) ||
3944      CAN_SMASH_ENEMIES(element) ||
3945      CAN_SMASH_PLAYER(element));
3946
3947   /* set deadliness selectbox help value */
3948   custom_element.deadliness =
3949     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
3950      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
3951      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
3952      custom_element.deadliness);
3953   custom_element_properties[EP_DEADLY] =
3954     (DONT_TOUCH(element) ||
3955      DONT_COLLIDE_WITH(element) ||
3956      DONT_RUN_INTO(element));
3957
3958   /* set consistency selectbox help value */
3959   custom_element.consistency =
3960     (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
3961      CAN_EXPLODE_1X1(element) ? EP_CAN_EXPLODE_1X1 :
3962      CAN_EXPLODE_3X3(element) ? EP_CAN_EXPLODE_3X3 :
3963      custom_element.consistency);
3964   custom_element_properties[EP_EXPLODE_RESULT] =
3965     (IS_INDESTRUCTIBLE(element) ||
3966      CAN_EXPLODE_1X1(element) ||
3967      CAN_EXPLODE_3X3(element));
3968
3969   /* special case: sub-settings dependent from main setting */
3970   if (CAN_EXPLODE_BY_FIRE(element))
3971     custom_element.can_explode_by_fire = TRUE;
3972   if (CAN_EXPLODE_SMASHED(element))
3973     custom_element.can_explode_smashed = TRUE;
3974   if (CAN_EXPLODE_IMPACT(element))
3975     custom_element.can_explode_impact  = TRUE;
3976
3977   /* ---------- element settings: advanced (custom elements) --------------- */
3978
3979   /* set change by player selectbox help value */
3980   custom_element.change_player_action =
3981     (HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
3982      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
3983      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
3984      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
3985      custom_element.change_player_action);
3986
3987   /* set change by collision selectbox help value */
3988   custom_element.change_collide_action =
3989     (HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
3990      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
3991      HAS_CHANGE_EVENT(element, CE_COLLISION) ? CE_COLLISION :
3992      custom_element.change_collide_action);
3993
3994   /* set change by other element action selectbox help value */
3995   custom_element.change_other_action =
3996     (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DROPPED) ? CE_OTHER_GETS_DROPPED :
3997      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
3998      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
3999      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
4000      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
4001      HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
4002      HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
4003      HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
4004      custom_element.change_other_action);
4005 }
4006
4007 static void CopyCustomElementPropertiesToGame(int element)
4008 {
4009   int i;
4010   int access_type_and_layer;
4011
4012   /* mark that this custom element has been modified */
4013   custom_element.modified_settings = TRUE;
4014
4015   if (level.use_custom_template)
4016   {
4017     if (Request("Copy and modify level tem- plate ?", REQ_ASK))
4018     {
4019       level.use_custom_template = FALSE;
4020       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
4021                    GDI_CHECKED, FALSE, GDI_END);
4022     }
4023     else
4024     {
4025       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
4026
4027       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
4028     }
4029   }
4030
4031   element_info[element] = custom_element;
4032
4033   /* ---------- element settings: configure (custom elements) ------------- */
4034
4035   /* set accessible property from checkbox and selectbox */
4036   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
4037   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
4038   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
4039   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
4040   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
4041   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
4042   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
4043                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
4044                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
4045   custom_element_properties[access_type_and_layer] =
4046     custom_element_properties[EP_ACCESSIBLE];
4047
4048   /* set walk-to-object property from checkbox and selectbox */
4049   custom_element_properties[EP_DIGGABLE] = FALSE;
4050   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
4051   custom_element_properties[EP_DROPPABLE] = FALSE;
4052   custom_element_properties[EP_PUSHABLE] = FALSE;
4053   custom_element_properties[custom_element.walk_to_action] =
4054     custom_element_properties[EP_WALK_TO_OBJECT];
4055
4056   /* set smash property from checkbox and selectbox */
4057   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
4058   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
4059   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
4060   custom_element_properties[custom_element.smash_targets] =
4061     custom_element_properties[EP_CAN_SMASH];
4062
4063   /* set deadliness property from checkbox and selectbox */
4064   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
4065   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
4066   custom_element_properties[EP_DONT_TOUCH] = FALSE;
4067   custom_element_properties[custom_element.deadliness] =
4068     custom_element_properties[EP_DEADLY];
4069
4070   /* set consistency property from checkbox and selectbox */
4071   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
4072   custom_element_properties[EP_CAN_EXPLODE_1X1] = FALSE;
4073   custom_element_properties[EP_CAN_EXPLODE_3X3] = FALSE;
4074   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
4075   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
4076   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
4077   custom_element_properties[custom_element.consistency] =
4078     custom_element_properties[EP_EXPLODE_RESULT];
4079
4080   /* special case: sub-settings dependent from main setting */
4081   if (custom_element_properties[EP_CAN_EXPLODE_3X3] ||
4082       custom_element_properties[EP_CAN_EXPLODE_1X1])
4083   {
4084     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
4085       custom_element.can_explode_by_fire;
4086     custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
4087       custom_element.can_explode_smashed;
4088     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
4089       custom_element.can_explode_impact;
4090   }
4091
4092   /* ---------- element settings: advanced (custom elements) --------------- */
4093
4094   /* set player change event from checkbox and selectbox */
4095   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
4096   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
4097   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
4098   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
4099   custom_element_change_events[custom_element.change_player_action] =
4100     custom_element_change_events[CE_BY_PLAYER];
4101
4102   /* set collision change event from checkbox and selectbox */
4103   custom_element_change_events[CE_COLLISION] = FALSE;
4104   custom_element_change_events[CE_IMPACT] = FALSE;
4105   custom_element_change_events[CE_SMASHED] = FALSE;
4106   custom_element_change_events[custom_element.change_collide_action] =
4107     custom_element_change_events[CE_BY_COLLISION];
4108
4109   /* set other element action change event from checkbox and selectbox */
4110   custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
4111   custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
4112   custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
4113   custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
4114   custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
4115   custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
4116   custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
4117   custom_element_change_events[CE_OTHER_GETS_DROPPED] = FALSE;
4118   custom_element_change_events[custom_element.change_other_action] =
4119     custom_element_change_events[CE_BY_OTHER];
4120
4121   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
4122     SET_PROPERTY(element, i, custom_element_properties[i]);
4123
4124   for (i=0; i < NUM_CHANGE_EVENTS; i++)
4125     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
4126
4127   /* copy change events also to special level editor variable */
4128   custom_element = element_info[element];
4129 }
4130
4131 void DrawLevelEd()
4132 {
4133   CloseDoor(DOOR_CLOSE_ALL);
4134   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
4135
4136   if (level_editor_test_game)
4137   {
4138     CopyPlayfield(level.field, Feld);
4139     CopyPlayfield(FieldBackup, level.field);
4140
4141     level_editor_test_game = FALSE;
4142   }
4143   else
4144   {
4145     edit_mode = ED_MODE_DRAWING;
4146     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
4147
4148     ResetUndoBuffer();
4149
4150     level_xpos = -1;
4151     level_ypos = -1;
4152   }
4153
4154   /* copy default editor door content to main double buffer */
4155   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
4156              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
4157
4158 #if 0
4159   /* draw mouse button brush elements */
4160   RedrawDrawingElements();
4161 #endif
4162
4163   /* draw bigger door */
4164   DrawSpecialEditorDoor();
4165
4166   /* draw new control window */
4167   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
4168              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
4169
4170   redraw_mask |= REDRAW_ALL;
4171
4172   ReinitializeElementListButtons();     /* only needed after setup changes */
4173 #if 0
4174   ModifyEditorElementList();            /* may be needed for custom elements */
4175 #endif
4176
4177   UnmapTapeButtons();
4178   MapControlButtons();
4179
4180   DrawEditModeWindow();
4181
4182   /* copy actual editor door content to door double buffer for OpenDoor() */
4183   BlitBitmap(drawto, bitmap_db_door,
4184              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
4185
4186   OpenDoor(DOOR_OPEN_1);
4187 }
4188
4189 static void AdjustDrawingAreaGadgets()
4190 {
4191   int ed_xsize = lev_fieldx + 2;
4192   int ed_ysize = lev_fieldy + 2;
4193   int max_ed_fieldx = MAX_ED_FIELDX;
4194   int max_ed_fieldy = MAX_ED_FIELDY;
4195   boolean horizontal_scrollbar_needed;
4196   boolean vertical_scrollbar_needed;
4197   int x, y, width, height;
4198   int xoffset, yoffset;
4199
4200   /* check if we need any scrollbars */
4201   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
4202   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
4203
4204   /* check if we have a smaller editor field because of scrollbars */
4205   if (horizontal_scrollbar_needed)
4206     max_ed_fieldy = MAX_ED_FIELDY - 1;
4207   if (vertical_scrollbar_needed)
4208     max_ed_fieldx = MAX_ED_FIELDX - 1;
4209
4210   /* check again if we now need more scrollbars because of less space */
4211   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
4212   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
4213
4214   /* check if editor field gets even smaller after adding new scrollbars */
4215   if (horizontal_scrollbar_needed)
4216     max_ed_fieldy = MAX_ED_FIELDY - 1;
4217   if (vertical_scrollbar_needed)
4218     max_ed_fieldx = MAX_ED_FIELDX - 1;
4219
4220   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
4221   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
4222
4223   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
4224                GDI_WIDTH, ed_fieldx * MINI_TILEX,
4225                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
4226                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
4227                GDI_END);
4228
4229   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
4230   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
4231
4232   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
4233   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
4234
4235   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
4236   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
4237
4238   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
4239   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
4240
4241   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4242                GDI_WIDTH, width,
4243                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
4244                GDI_END);
4245   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4246                GDI_HEIGHT, height,
4247                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
4248                GDI_END);
4249 }
4250
4251 static void AdjustLevelScrollPosition()
4252 {
4253   if (level_xpos < -1)
4254     level_xpos = -1;
4255   if (level_xpos > lev_fieldx - ed_fieldx + 1)
4256     level_xpos = lev_fieldx - ed_fieldx + 1;
4257   if (lev_fieldx < ed_fieldx - 2)
4258     level_xpos = -1;
4259
4260   if (level_ypos < -1)
4261     level_ypos = -1;
4262   if (level_ypos > lev_fieldy - ed_fieldy + 1)
4263     level_ypos = lev_fieldy - ed_fieldy + 1;
4264   if (lev_fieldy < ed_fieldy - 2)
4265     level_ypos = -1;
4266 }
4267
4268 static void AdjustEditorScrollbar(int id)
4269 {
4270   struct GadgetInfo *gi = level_editor_gadget[id];
4271   int items_max, items_visible, item_position;
4272
4273   if (id == GADGET_ID_SCROLL_HORIZONTAL)
4274   {
4275     items_max = MAX(lev_fieldx + 2, ed_fieldx);
4276     items_visible = ed_fieldx;
4277     item_position = level_xpos + 1;
4278   }
4279   else
4280   {
4281     items_max = MAX(lev_fieldy + 2, ed_fieldy);
4282     items_visible = ed_fieldy;
4283     item_position = level_ypos + 1;
4284   }
4285
4286   if (item_position > items_max - items_visible)
4287     item_position = items_max - items_visible;
4288
4289   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
4290                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
4291 }
4292
4293 static void ModifyEditorCounter(int counter_id, int new_value)
4294 {
4295   int *counter_value = counterbutton_info[counter_id].value;
4296   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4297   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4298
4299   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
4300
4301   if (counter_value != NULL)
4302     *counter_value = gi->text.number_value;
4303 }
4304
4305 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
4306 {
4307   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4308   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4309
4310   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
4311 }
4312
4313 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
4314 {
4315   int gadget_id = selectbox_info[selectbox_id].gadget_id;
4316   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4317   int new_index_value = SetSelectboxValue(selectbox_id, new_value);
4318
4319   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
4320 }
4321
4322 static void ModifyEditorElementList()
4323 {
4324   int i;
4325
4326   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4327   {
4328     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4329     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4330     struct GadgetDesign *gd = &gi->deco.design;
4331     int element = editor_elements[element_shift + i];
4332
4333     UnmapGadget(gi);
4334     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
4335     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4336     MapGadget(gi);
4337   }
4338 }
4339
4340 static void PickDrawingElement(int button, int element)
4341 {
4342   if (button < 1 || button > 3)
4343     return;
4344
4345   if (button == 1)
4346   {
4347     new_element1 = element;
4348     DrawMiniGraphicExt(drawto,
4349                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
4350                        el2edimg(new_element1));
4351   }
4352   else if (button == 2)
4353   {
4354     new_element2 = element;
4355     DrawMiniGraphicExt(drawto,
4356                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
4357                        el2edimg(new_element2));
4358   }
4359   else
4360   {
4361     new_element3 = element;
4362     DrawMiniGraphicExt(drawto,
4363                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
4364                        el2edimg(new_element3));
4365   }
4366
4367   redraw_mask |= REDRAW_DOOR_1;
4368 }
4369
4370 static void RedrawDrawingElements()
4371 {
4372   PickDrawingElement(1, new_element1);
4373   PickDrawingElement(2, new_element2);
4374   PickDrawingElement(3, new_element3);
4375 }
4376
4377 static void DrawDrawingWindow()
4378 {
4379   stick_element_properties_window = FALSE;
4380
4381   SetMainBackgroundImage(IMG_UNDEFINED);
4382   ClearWindow();
4383   UnmapLevelEditorWindowGadgets();
4384
4385   AdjustDrawingAreaGadgets();
4386   AdjustLevelScrollPosition();
4387   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
4388   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
4389
4390   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4391   MapMainDrawingArea();
4392 }
4393
4394 static void DrawLevelInfoWindow()
4395 {
4396   int i;
4397
4398   stick_element_properties_window = FALSE;
4399
4400   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4401   ClearWindow();
4402   UnmapLevelEditorWindowGadgets();
4403
4404   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4405            "Level Settings", FONT_TITLE_1);
4406   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
4407            "Editor Settings", FONT_TITLE_1);
4408
4409   /* draw counter gadgets */
4410   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
4411     MapCounterButtons(i);
4412
4413   /* draw checkbutton gadgets */
4414   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
4415     MapCheckbuttonGadget(i);
4416
4417   /* draw radiobutton gadgets */
4418   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
4419     MapRadiobuttonGadget(i);
4420
4421   /* draw text input gadgets */
4422   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
4423     MapTextInputGadget(i);
4424
4425   /* draw drawing area */
4426   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
4427 }
4428
4429 static void DrawCustomContentArea()
4430 {
4431   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
4432   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
4433   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
4434   int x2 = right_gadget_border[GADGET_ID_CUSTOM_CONSISTENCY];
4435   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
4436   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
4437
4438   /* add distance for potential left text (without drawing area border) */
4439   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
4440
4441   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
4442
4443   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
4444 }
4445
4446 static void DrawCustomChangeContentArea()
4447 {
4448   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
4449   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
4450   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
4451   int x2 = right_gadget_border[GADGET_ID_CHANGE_POWER];
4452   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
4453   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
4454
4455   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
4456
4457   MapDrawingArea(id);
4458 }
4459
4460 static void DrawElementContentAreas()
4461 {
4462   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
4463   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
4464   int i;
4465
4466   /* display counter to choose number of element content areas */
4467   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
4468
4469   for (i=0; i < MAX_ELEMENT_CONTENTS; i++)
4470   {
4471     int id = ED_DRAWING_ID_ELEMENT_CONTENT_0 + i;
4472     int font_height = getFontHeight(FONT_TEXT_1);
4473
4474     if (i < level.num_yamyam_contents)
4475       MapDrawingArea(id);
4476     else
4477     {
4478       UnmapDrawingArea(id);
4479
4480       /* delete content areas in case of reducing number of them */
4481       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
4482                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
4483                      4 * MINI_TILEX,
4484                      4 * MINI_TILEX + ED_GADGET_TEXT_DISTANCE + font_height);
4485     }
4486   }
4487
4488   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
4489   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
4490   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
4491 }
4492
4493 char *getElementDescriptionFilename(int element)
4494 {
4495   char *docs_dir = options.docs_directory;
4496   char *elements_subdir = "elements";
4497   static char *filename = NULL;
4498   char basename[MAX_FILENAME_LEN];
4499
4500   if (filename != NULL)
4501     free(filename);
4502
4503   /* 1st try: look for element description file for exactly this element */
4504   sprintf(basename, "%s.txt", element_info[element].token_name);
4505   filename = getPath3(docs_dir, elements_subdir, basename);
4506   if (fileExists(filename))
4507     return filename;
4508
4509   free(filename);
4510
4511   /* 2nd try: look for element description file for this element's class */
4512   sprintf(basename, "%s.txt", element_info[element].class_name);
4513   filename = getPath3(docs_dir, elements_subdir, basename);
4514   if (fileExists(filename))
4515     return filename;
4516
4517   return NULL;
4518 }
4519
4520 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
4521 {
4522   int font_height = getFontHeight(font_nr);
4523   int pad_x = ED_SETTINGS_XPOS(0);
4524   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4525   int sx = SX + pad_x;
4526   int sy = SY + pad_y;
4527   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
4528
4529   if (screen_line >= max_lines_per_screen)
4530     return FALSE;
4531
4532   DrawText(sx, sy + screen_line * font_height, text, font_nr);
4533
4534   return TRUE;
4535 }
4536
4537 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
4538 {
4539   int font_nr = FONT_TEXT_2;
4540   int font_width = getFontWidth(font_nr);
4541   int pad_x = ED_SETTINGS_XPOS(0);
4542   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
4543   char line[MAX_LINE_LEN];
4544   char buffer[max_chars_per_line + 1];
4545   int buffer_len;
4546   int lines_printed = 0;
4547   FILE *file;
4548
4549   if (filename == NULL)
4550     return 0;
4551
4552   if (!(file = fopen(filename, MODE_READ)))
4553     return 0;
4554
4555   buffer[0] = '\0';
4556   buffer_len = 0;
4557
4558   while(!feof(file))
4559   {
4560     char *line_ptr, *word_ptr;
4561     boolean last_line_was_empty = TRUE;
4562
4563     /* read next line of input file */
4564     if (!fgets(line, MAX_LINE_LEN, file))
4565       break;
4566
4567     /* skip comments (lines directly beginning with '#') */
4568     if (line[0] == '#')
4569       continue;
4570
4571     /* cut trailing newline from input line */
4572     for (line_ptr = line; *line_ptr; line_ptr++)
4573     {
4574       if (*line_ptr == '\n' || *line_ptr == '\r')
4575       {
4576         *line_ptr = '\0';
4577         break;
4578       }
4579     }
4580
4581     if (strlen(line) == 0)              /* special case: force empty line */
4582       strcpy(line, "\n");
4583
4584     word_ptr = line;
4585
4586     while (*word_ptr)
4587     {
4588       boolean print_buffer = FALSE;
4589       int word_len;
4590
4591       /* skip leading whitespaces */
4592       while (*word_ptr == ' ' || *word_ptr == '\t')
4593         word_ptr++;
4594
4595       line_ptr = word_ptr;
4596       word_len = 0;
4597
4598       /* look for end of next word */
4599       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
4600       {
4601         line_ptr++;
4602         word_len++;
4603       }
4604
4605       if (word_len == 0)
4606       {
4607         continue;
4608       }
4609       else if (*word_ptr == '\n')       /* special case: force empty line */
4610       {
4611         if (buffer_len == 0)
4612           word_ptr++;
4613
4614         /* prevent printing of multiple empty lines */
4615         if (buffer_len > 0 || !last_line_was_empty)
4616           print_buffer = TRUE;
4617       }
4618       else if (word_len < max_chars_per_line - buffer_len)
4619       {
4620         /* word fits into text buffer -- add word */
4621
4622         if (buffer_len > 0)
4623           buffer[buffer_len++] = ' ';
4624
4625         strncpy(&buffer[buffer_len], word_ptr, word_len);
4626         buffer_len += word_len;
4627         buffer[buffer_len] = '\0';
4628         word_ptr += word_len;
4629       }
4630       else if (buffer_len > 0)
4631       {
4632         /* not enough space left for word in text buffer -- print buffer */
4633
4634         print_buffer = TRUE;
4635       }
4636       else
4637       {
4638         /* word does not fit at all into empty text buffer -- cut word */
4639
4640         strncpy(buffer, word_ptr, max_chars_per_line);
4641         buffer[max_chars_per_line] = '\0';
4642         word_ptr += max_chars_per_line;
4643         print_buffer = TRUE;
4644       }
4645
4646       if (print_buffer)
4647       {
4648         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4649           return lines_printed;
4650
4651         last_line_was_empty = (buffer_len == 0);
4652         lines_printed++;
4653
4654         buffer[0] = '\0';
4655         buffer_len = 0;
4656         print_buffer = FALSE;
4657       }
4658     }
4659   }
4660
4661   fclose(file);
4662
4663   if (buffer_len > 0)
4664     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4665       lines_printed++;
4666
4667   return lines_printed;
4668 }
4669
4670 static void DrawPropertiesTabulatorGadgets()
4671 {
4672   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
4673   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
4674   int gd_x = gd->x + gd_gi->border.width / 2;
4675   int gd_y = gd->y + gd_gi->height - 1;
4676   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
4677   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
4678   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
4679   int i;
4680
4681   /* draw additional "advanced" tabulator for custom elements */
4682   if (IS_CUSTOM_ELEMENT(properties_element))
4683     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
4684
4685   for (i=id_first; i <= id_last; i++)
4686   {
4687     int gadget_id = textbutton_info[i].gadget_id;
4688     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4689     boolean active = (i != edit_mode_properties);
4690
4691     /* draw background line below tabulator button */
4692     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
4693
4694     /* draw solid line below inactive tabulator buttons */
4695     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
4696       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
4697
4698     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
4699     MapTextbuttonGadget(i);
4700   }
4701
4702   /* draw little border line below tabulator buttons */
4703   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
4704     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
4705                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
4706                   ED_GADGET_DISTANCE, tab_color);
4707 }
4708
4709 static void DrawPropertiesInfo()
4710 {
4711   static struct
4712   {
4713     int value;
4714     char *text;
4715   }
4716   properties[] =
4717   {
4718     /* configurable properties */
4719
4720     { EP_WALKABLE_OVER,         "- player can walk over it"             },
4721     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
4722     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
4723     { EP_PASSABLE_OVER,         "- player can pass over it"             },
4724     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
4725     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
4726
4727     { EP_DIGGABLE,              "- can be digged away"                  },
4728     { EP_COLLECTIBLE,           "- can be collected"                    },
4729     { EP_DROPPABLE,             "- can be dropped after collecting"     },
4730     { EP_PUSHABLE,              "- can be pushed"                       },
4731
4732     { EP_CAN_MOVE,              "- can move"                            },
4733     { EP_CAN_FALL,              "- can fall"                            },
4734
4735     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
4736 #if 0
4737     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
4738 #endif
4739     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
4740
4741     { EP_SLIPPERY,              "- slippery for falling objects"        },
4742     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
4743
4744     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
4745     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
4746     { EP_DONT_TOUCH,            "- deadly when touching"                },
4747
4748     { EP_INDESTRUCTIBLE,        "- undestructible"                      },
4749
4750     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
4751     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
4752     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
4753
4754     { EP_CAN_CHANGE,            "- can change to other element"         },
4755
4756     /* pre-defined properties */
4757     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
4758     { EP_HAS_CONTENT,           "- can contain other elements"          },
4759
4760     { -1,                       NULL                                    }
4761   };
4762   char *filename = getElementDescriptionFilename(properties_element);
4763   char *percentage_text = "In this level:";
4764   char *properties_text = "Standard properties:";
4765   float percentage;
4766   int num_elements_in_level;
4767   int num_standard_properties = 0;
4768   int font1_nr = FONT_TEXT_1;
4769   int font2_nr = FONT_TEXT_2;
4770   int font1_width = getFontWidth(font1_nr);
4771   int font2_height = getFontHeight(font2_nr);
4772   int pad_x = ED_SETTINGS_XPOS(0);
4773   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4774   int screen_line = 0;
4775   int i, x, y;
4776
4777   /* ----- print number of elements / percentage of this element in level */
4778
4779   num_elements_in_level = 0;
4780   for (y=0; y<lev_fieldy; y++)
4781     for (x=0; x<lev_fieldx; x++)
4782       if (Feld[x][y] == properties_element)
4783         num_elements_in_level++;
4784   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
4785
4786   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
4787             percentage_text);
4788   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
4789             pad_y + screen_line++ * font2_height, font2_nr,
4790             "%d (%.2f%%)", num_elements_in_level, percentage);
4791
4792   screen_line++;
4793
4794   /* ----- print standard properties of this element */
4795
4796   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
4797             properties_text);
4798
4799   for (i=0; properties[i].value != -1; i++)
4800   {
4801     if (!HAS_PROPERTY(properties_element, properties[i].value))
4802       continue;
4803
4804     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
4805               properties[i].text);
4806     num_standard_properties++;
4807   }
4808
4809   if (num_standard_properties == 0)
4810     DrawTextF(pad_x + strlen(properties_text) * font1_width,
4811               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
4812
4813   screen_line++;
4814
4815   /* ----- print special description of this element */
4816
4817   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
4818   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
4819     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
4820 }
4821
4822 #define TEXT_COLLECTING         "Score for collecting"
4823 #define TEXT_SMASHING           "Score for smashing"
4824 #define TEXT_CRACKING           "Score for cracking"
4825 #define TEXT_SPEED              "Speed of amoeba growth"
4826 #define TEXT_DURATION           "Duration when activated"
4827
4828 static struct
4829 {
4830   int element;
4831   int *value;
4832   char *text;
4833 } elements_with_counter[] =
4834 {
4835   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
4836   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
4837   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4838   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4839   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4840   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4841   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
4842   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
4843   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
4844   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
4845   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
4846   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
4847   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
4848   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
4849   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
4850   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
4851   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
4852   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
4853   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4854   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4855   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4856   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4857   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4858   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4859   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4860   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4861   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4862   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4863   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4864   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
4865   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
4866   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
4867   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4868   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4869   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
4870   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
4871   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
4872   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4873   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4874   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4875   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4876   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
4877   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
4878   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
4879   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
4880   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
4881   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4882   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4883   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4884   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4885   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
4886   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
4887   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
4888   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
4889   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
4890   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
4891   { -1,                 NULL,                           NULL            }
4892 };
4893
4894 static boolean checkPropertiesConfig()
4895 {
4896   int i;
4897
4898   if (IS_GEM(properties_element) ||
4899       IS_CUSTOM_ELEMENT(properties_element) ||
4900       HAS_CONTENT(properties_element))
4901     return TRUE;
4902   else
4903     for (i=0; elements_with_counter[i].element != -1; i++)
4904       if (elements_with_counter[i].element == properties_element)
4905         return TRUE;
4906
4907   return FALSE;
4908 }
4909
4910 static void DrawPropertiesConfig()
4911 {
4912   int i;
4913
4914   if (!checkPropertiesConfig())
4915   {
4916     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
4917
4918     return;
4919   }
4920
4921   /* check if there are elements where a score can be chosen for */
4922   for (i=0; elements_with_counter[i].element != -1; i++)
4923   {
4924     if (elements_with_counter[i].element == properties_element)
4925     {
4926       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
4927
4928       counterbutton_info[counter_id].value = elements_with_counter[i].value;
4929       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
4930       MapCounterButtons(counter_id);
4931
4932       break;
4933     }
4934   }
4935
4936   if (HAS_CONTENT(properties_element))
4937   {
4938     /* draw stickybutton gadget */
4939     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4940     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
4941     MapCheckbuttonGadget(i);
4942
4943     if (IS_AMOEBOID(properties_element))
4944       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
4945     else
4946       DrawElementContentAreas();
4947   }
4948
4949   if (IS_GEM(properties_element))
4950     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
4951
4952   if (IS_CUSTOM_ELEMENT(properties_element))
4953   {
4954     /* draw stickybutton gadget */
4955     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4956     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4957     MapCheckbuttonGadget(i);
4958
4959     /* draw checkbutton gadgets */
4960     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
4961          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
4962       MapCheckbuttonGadget(i);
4963
4964     /* draw counter gadgets */
4965     for (i=ED_COUNTER_ID_CUSTOM_FIRST; i<=ED_COUNTER_ID_CUSTOM_LAST; i++)
4966       MapCounterButtons(i);
4967
4968     /* draw selectbox gadgets */
4969     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
4970       MapSelectboxGadget(i);
4971
4972     /* draw drawing area gadgets */
4973     DrawCustomContentArea();
4974
4975     /* draw text input gadgets */
4976     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
4977   }
4978 }
4979
4980 static void DrawPropertiesAdvancedDrawingAreas()
4981 {
4982   MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
4983   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
4984   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
4985
4986   DrawCustomChangeContentArea();
4987
4988   redraw_mask |= REDRAW_FIELD;
4989 }
4990
4991 static void DrawPropertiesAdvanced()
4992 {
4993   int i;
4994
4995   /* draw stickybutton gadget */
4996   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4997   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4998   MapCheckbuttonGadget(i);
4999
5000   /* draw checkbutton gadgets */
5001   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
5002        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
5003     MapCheckbuttonGadget(i);
5004
5005   /* draw counter gadgets */
5006   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
5007     MapCounterButtons(i);
5008
5009   /* draw selectbox gadgets */
5010   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
5011     MapSelectboxGadget(i);
5012
5013   /* draw textbutton gadgets */
5014   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
5015
5016   /* draw drawing area gadgets */
5017   DrawPropertiesAdvancedDrawingAreas();
5018 }
5019
5020 static void DrawElementName(int x, int y, int element)
5021 {
5022   char *element_name = getElementInfoText(element);
5023   int font_nr = FONT_TEXT_1;
5024   int font_width = getFontWidth(font_nr);
5025   int font_height = getFontHeight(font_nr);
5026   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
5027   int max_chars_per_line = max_text_width / font_width;
5028   char buffer[max_chars_per_line + 1];
5029
5030   if (strlen(element_name) <= max_chars_per_line)
5031     DrawTextF(x, y, font_nr, element_name);
5032   else
5033   {
5034     int next_pos = max_chars_per_line;
5035
5036     strncpy(buffer, element_name, max_chars_per_line);
5037     buffer[max_chars_per_line] = '\0';
5038
5039     if (element_name[max_chars_per_line] == ' ')
5040       next_pos++;
5041     else
5042     {
5043       int i;
5044
5045       for (i = max_chars_per_line - 1; i >= 0; i--)
5046         if (buffer[i] == ' ')
5047           break;
5048
5049       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
5050       {
5051         buffer[i] = '\0';
5052         next_pos = i + 1;
5053       }
5054     }
5055
5056     DrawTextF(x, y - font_height / 2, font_nr, buffer);
5057
5058     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
5059     buffer[max_chars_per_line] = '\0';
5060
5061     DrawTextF(x, y + font_height / 2, font_nr, buffer);
5062   }
5063 }
5064
5065 static void DrawPropertiesWindow()
5066 {
5067   int xstart = 2;
5068   int ystart = 4;
5069
5070   stick_element_properties_window = FALSE;
5071
5072   /* make sure that previous properties edit mode exists for this element */
5073   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
5074       !IS_CUSTOM_ELEMENT(properties_element))
5075     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
5076
5077   if (IS_CUSTOM_ELEMENT(properties_element))
5078     CopyCustomElementPropertiesToEditor(properties_element);
5079
5080   UnmapLevelEditorWindowGadgets();
5081
5082   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
5083   ClearWindow();
5084
5085   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
5086            "Element Settings", FONT_TITLE_1);
5087
5088   DrawElementBorder(SX + xstart * MINI_TILEX,
5089                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
5090                     TILEX, TILEY, FALSE);
5091   DrawGraphicAnimationExt(drawto,
5092                           SX + xstart * MINI_TILEX,
5093                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
5094                           el2img(properties_element), -1, NO_MASKING);
5095
5096   FrameCounter = 0;     /* restart animation frame counter */
5097
5098   DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
5099                   properties_element);
5100
5101   DrawPropertiesTabulatorGadgets();
5102
5103   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
5104     DrawPropertiesInfo();
5105   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
5106     DrawPropertiesConfig();
5107   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
5108     DrawPropertiesAdvanced();
5109 }
5110
5111 static void UpdateCustomElementGraphicGadgets()
5112 {
5113   ModifyEditorElementList();
5114   RedrawDrawingElements();
5115
5116   if (edit_mode == ED_MODE_PROPERTIES &&
5117       edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED)
5118     DrawPropertiesAdvancedDrawingAreas();
5119 }
5120
5121 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
5122 {
5123   int lx = sx + level_xpos;
5124   int ly = sy + level_ypos;
5125
5126   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
5127
5128   if (change_level)
5129     Feld[lx][ly] = element;
5130 }
5131
5132 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
5133                      int element, boolean change_level)
5134 {
5135   if (from_y == to_y)                   /* horizontal line */
5136   {
5137     int x;
5138     int y = from_y;
5139
5140     if (from_x > to_x)
5141       swap_numbers(&from_x, &to_x);
5142
5143     for (x=from_x; x<=to_x; x++)
5144       DrawLineElement(x, y, element, change_level);
5145   }
5146   else if (from_x == to_x)              /* vertical line */
5147   {
5148     int x = from_x;
5149     int y;
5150
5151     if (from_y > to_y)
5152       swap_numbers(&from_y, &to_y);
5153
5154     for (y=from_y; y<=to_y; y++)
5155       DrawLineElement(x, y, element, change_level);
5156   }
5157   else                                  /* diagonal line */
5158   {
5159     int len_x = ABS(to_x - from_x);
5160     int len_y = ABS(to_y - from_y);
5161     int x, y;
5162
5163     if (len_y < len_x)                  /* a < 1 */
5164     {
5165       float a = (float)len_y / (float)len_x;
5166
5167       if (from_x > to_x)
5168         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5169
5170       for (x=0; x<=len_x; x++)
5171       {
5172         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
5173         DrawLineElement(from_x + x, from_y + y, element, change_level);
5174       }
5175     }
5176     else                                /* a >= 1 */
5177     {
5178       float a = (float)len_x / (float)len_y;
5179
5180       if (from_y > to_y)
5181         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5182
5183       for (y=0; y<=len_y; y++)
5184       {
5185         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
5186         DrawLineElement(from_x + x, from_y + y, element, change_level);
5187       }
5188     }
5189   }
5190 }
5191
5192 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
5193                     int element, boolean change_level)
5194 {
5195   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
5196   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
5197   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
5198   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
5199 }
5200
5201 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
5202                           int element, boolean change_level)
5203 {
5204   int y;
5205
5206   if (from_y > to_y)
5207     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5208
5209   for (y=from_y; y<=to_y; y++)
5210     DrawLine(from_x, y, to_x, y, element, change_level);
5211 }
5212
5213 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
5214                        int element, boolean change_level)
5215 {
5216   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
5217   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
5218   int len_x = ABS(to_x - from_x);
5219   int len_y = ABS(to_y - from_y);
5220   int radius, x, y;
5221
5222   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
5223
5224   /* not optimal (some points get drawn twice) but simple,
5225      and fast enough for the few points we are drawing */
5226
5227   for (x=0; x<=radius; x++)
5228   {
5229     int sx, sy, lx, ly;
5230
5231     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
5232
5233     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5234     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5235     lx = sx + level_xpos;
5236     ly = sy + level_ypos;
5237
5238     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5239       DrawLineElement(sx, sy, element, change_level);
5240   }
5241
5242   for (y=0; y<=radius; y++)
5243   {
5244     int sx, sy, lx, ly;
5245
5246     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
5247
5248     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5249     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5250     lx = sx + level_xpos;
5251     ly = sy + level_ypos;
5252
5253     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5254       DrawLineElement(sx, sy, element, change_level);
5255   }
5256 }
5257
5258 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
5259                     int element, boolean change_level)
5260 {
5261   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5262   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5263
5264   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5265 }
5266
5267 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
5268 #if DRAW_CIRCLES_BUTTON_AVAILABLE
5269 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
5270                        int element, boolean change_level)
5271 {
5272   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5273   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5274   int mirror_to_x2 = from_x - (to_x2 - from_x);
5275   int mirror_to_y2 = from_y - (to_y2 - from_y);
5276
5277   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5278   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
5279   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
5280   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
5281 }
5282 #endif
5283
5284 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
5285 {
5286   int from_sx, from_sy;
5287   int to_sx, to_sy;
5288
5289   if (from_x > to_x)
5290     swap_numbers(&from_x, &to_x);
5291
5292   if (from_y > to_y)
5293     swap_numbers(&from_y, &to_y);
5294
5295   from_sx = SX + from_x * MINI_TILEX;
5296   from_sy = SY + from_y * MINI_TILEY;
5297   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
5298   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
5299
5300   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
5301   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
5302   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
5303   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
5304
5305   if (from_x == to_x && from_y == to_y)
5306     MarkTileDirty(from_x/2, from_y/2);
5307   else
5308     redraw_mask |= REDRAW_FIELD;
5309 }
5310
5311 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
5312                        int element, boolean change_level)
5313 {
5314   if (element == -1 || change_level)
5315     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
5316   else
5317     DrawAreaBorder(from_x, from_y, to_x, to_y);
5318 }
5319
5320 /* values for CopyBrushExt() */
5321 #define CB_AREA_TO_BRUSH        0
5322 #define CB_BRUSH_TO_CURSOR      1
5323 #define CB_BRUSH_TO_LEVEL       2
5324 #define CB_DELETE_OLD_CURSOR    3
5325
5326 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
5327                          int button, int mode)
5328 {
5329   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
5330   static int brush_width, brush_height;
5331   static int last_cursor_x = -1, last_cursor_y = -1;
5332   static boolean delete_old_brush;
5333   int new_element = BUTTON_ELEMENT(button);
5334   int x, y;
5335
5336   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
5337     return;
5338
5339   if (mode == CB_AREA_TO_BRUSH)
5340   {
5341     int from_lx, from_ly;
5342
5343     if (from_x > to_x)
5344       swap_numbers(&from_x, &to_x);
5345
5346     if (from_y > to_y)
5347       swap_numbers(&from_y, &to_y);
5348
5349     brush_width = to_x - from_x + 1;
5350     brush_height = to_y - from_y + 1;
5351
5352     from_lx = from_x + level_xpos;
5353     from_ly = from_y + level_ypos;
5354
5355     for (y=0; y<brush_height; y++)
5356     {
5357       for (x=0; x<brush_width; x++)
5358       {
5359         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
5360
5361         if (button != 1)
5362           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
5363       }
5364     }
5365
5366     if (button != 1)
5367       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5368
5369     delete_old_brush = FALSE;
5370   }
5371   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
5372            mode == CB_BRUSH_TO_LEVEL)
5373   {
5374     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
5375     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
5376     int cursor_from_x = cursor_x - brush_width / 2;
5377     int cursor_from_y = cursor_y - brush_height / 2;
5378     int border_from_x = cursor_x, border_from_y = cursor_y;
5379     int border_to_x = cursor_x, border_to_y = cursor_y;
5380
5381     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
5382       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5383
5384     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
5385         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
5386     {
5387       delete_old_brush = FALSE;
5388       return;
5389     }
5390
5391     for (y=0; y<brush_height; y++)
5392     {
5393       for (x=0; x<brush_width; x++)
5394       {
5395         int sx = cursor_from_x + x;
5396         int sy = cursor_from_y + y;
5397         int lx = sx + level_xpos;
5398         int ly = sy + level_ypos;
5399         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
5400         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
5401                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
5402                        brush_buffer[x][y] : new_element);
5403
5404         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5405         {
5406           if (sx < border_from_x)
5407             border_from_x = sx;
5408           else if (sx > border_to_x)
5409             border_to_x = sx;
5410           if (sy < border_from_y)
5411             border_from_y = sy;
5412           else if (sy > border_to_y)
5413             border_to_y = sy;
5414
5415           DrawLineElement(sx, sy, element, change_level);
5416         }
5417       }
5418     }
5419
5420     if (mode != CB_DELETE_OLD_CURSOR)
5421       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
5422
5423     last_cursor_x = cursor_x;
5424     last_cursor_y = cursor_y;
5425     delete_old_brush = TRUE;
5426   }
5427 }
5428
5429 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
5430                             int button)
5431 {
5432   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
5433 }
5434
5435 static void CopyBrushToLevel(int x, int y, int button)
5436 {
5437   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
5438 }
5439
5440 static void CopyBrushToCursor(int x, int y)
5441 {
5442   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
5443 }
5444
5445 static void DeleteBrushFromCursor()
5446 {
5447   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5448 }
5449
5450 static void FloodFill(int from_x, int from_y, int fill_element)
5451 {
5452   int i,x,y;
5453   int old_element;
5454   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
5455   static int safety = 0;
5456
5457   /* check if starting field still has the desired content */
5458   if (Feld[from_x][from_y] == fill_element)
5459     return;
5460
5461   safety++;
5462
5463   if (safety > lev_fieldx*lev_fieldy)
5464     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
5465
5466   old_element = Feld[from_x][from_y];
5467   Feld[from_x][from_y] = fill_element;
5468
5469   for(i=0;i<4;i++)
5470   {
5471     x = from_x + check[i][0];
5472     y = from_y + check[i][1];
5473
5474     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
5475       FloodFill(x, y, fill_element);
5476   }
5477
5478   safety--;
5479 }
5480
5481 /* values for DrawLevelText() modes */
5482 #define TEXT_INIT               0
5483 #define TEXT_SETCURSOR          1
5484 #define TEXT_WRITECHAR          2
5485 #define TEXT_BACKSPACE          3
5486 #define TEXT_NEWLINE            4
5487 #define TEXT_END                5
5488 #define TEXT_QUERY_TYPING       6
5489
5490 static int DrawLevelText(int sx, int sy, char letter, int mode)
5491 {
5492   static short delete_buffer[MAX_LEV_FIELDX];
5493   static int start_sx, start_sy;
5494   static int last_sx, last_sy;
5495   static boolean typing = FALSE;
5496   int letter_element = EL_CHAR_ASCII0 + letter;
5497   int lx = 0, ly = 0;
5498
5499   /* map lower case letters to upper case and convert special characters */
5500   if (letter >= 'a' && letter <= 'z')
5501     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
5502   else if (letter == 'ä' || letter == 'Ä')
5503     letter_element = EL_CHAR_AUMLAUT;
5504   else if (letter == 'ö' || letter == 'Ö')
5505     letter_element = EL_CHAR_OUMLAUT;
5506   else if (letter == 'ü' || letter == 'Ü')
5507     letter_element = EL_CHAR_UUMLAUT;
5508   else if (letter == '^')
5509     letter_element = EL_CHAR_COPYRIGHT;
5510   else
5511     letter_element = EL_CHAR_ASCII0 + letter;
5512
5513   if (mode != TEXT_INIT)
5514   {
5515     if (!typing)
5516       return FALSE;
5517
5518     if (mode != TEXT_SETCURSOR)
5519     {
5520       sx = last_sx;
5521       sy = last_sy;
5522     }
5523
5524     lx = last_sx + level_xpos;
5525     ly = last_sy + level_ypos;
5526   }
5527
5528   switch (mode)
5529   {
5530     case TEXT_INIT:
5531       if (typing)
5532         DrawLevelText(0, 0, 0, TEXT_END);
5533
5534       typing = TRUE;
5535       start_sx = last_sx = sx;
5536       start_sy = last_sy = sy;
5537       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
5538       break;
5539
5540     case TEXT_SETCURSOR:
5541       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
5542       DrawAreaBorder(sx, sy, sx, sy);
5543       last_sx = sx;
5544       last_sy = sy;
5545       break;
5546
5547     case TEXT_WRITECHAR:
5548       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
5549       {
5550         delete_buffer[sx - start_sx] = Feld[lx][ly];
5551         Feld[lx][ly] = letter_element;
5552
5553         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
5554           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
5555         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
5556           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5557         else
5558           DrawLevelText(0, 0, 0, TEXT_END);
5559       }
5560       break;
5561
5562     case TEXT_BACKSPACE:
5563       if (sx > start_sx)
5564       {
5565         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
5566         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
5567         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
5568       }
5569       break;
5570
5571     case TEXT_NEWLINE:
5572       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
5573         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5574       else
5575         DrawLevelText(0, 0, 0, TEXT_END);
5576       break;
5577
5578     case TEXT_END:
5579       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5580       DrawMiniElement(sx, sy, Feld[lx][ly]);
5581       typing = FALSE;
5582       break;
5583
5584     case TEXT_QUERY_TYPING:
5585       break;
5586
5587     default:
5588       break;
5589   }
5590
5591   return typing;
5592 }
5593
5594 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
5595                           int element, boolean change_level)
5596 {
5597   int lx = sx + level_xpos;
5598   int ly = sy + level_ypos;
5599
5600   if (element == -1)
5601     DrawMiniElement(sx, sy, Feld[lx][ly]);
5602   else
5603     DrawAreaBorder(sx, sy, sx, sy);
5604 }
5605
5606 static void CopyLevelToUndoBuffer(int mode)
5607 {
5608   static boolean accumulated_undo = FALSE;
5609   boolean new_undo_buffer_position = TRUE;
5610   int last_border_element;
5611   int x, y;
5612
5613   switch (mode)
5614   {
5615     case UNDO_IMMEDIATE:
5616       accumulated_undo = FALSE;
5617       break;
5618
5619     case UNDO_ACCUMULATE:
5620       if (accumulated_undo)
5621         new_undo_buffer_position = FALSE;
5622       accumulated_undo = TRUE;
5623       break;
5624
5625     default:
5626       break;
5627   }
5628
5629   if (new_undo_buffer_position)
5630   {
5631     /* new position in undo buffer ring */
5632     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
5633
5634     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
5635       undo_buffer_steps++;
5636   }
5637
5638   for(x=0; x<lev_fieldx; x++)
5639     for(y=0; y<lev_fieldy; y++)
5640       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
5641
5642   /* check if drawing operation forces change of border style */
5643   last_border_element = BorderElement;
5644   SetBorderElement();
5645   if (BorderElement != last_border_element)
5646     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5647 }
5648
5649 static void RandomPlacement(int new_element)
5650 {
5651   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5652   int num_free_positions;
5653   int num_percentage;
5654   int num_elements;
5655   int x, y;
5656
5657   /* determine number of free positions for the new elements */
5658   /* (maybe this statement should be formatted a bit more readable...) */
5659   num_free_positions = 0;
5660   for (x=0; x<lev_fieldx; x++)
5661     for (y=0; y<lev_fieldy; y++)
5662       if ((free_position[x][y] =
5663            ((random_placement_background_restricted &&
5664              Feld[x][y] == random_placement_background_element) ||
5665             (!random_placement_background_restricted &&
5666              Feld[x][y] != new_element))) == TRUE)
5667         num_free_positions++;
5668
5669   /* determine number of new elements to place there */
5670   num_percentage = num_free_positions * random_placement_value / 100;
5671   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
5672                   num_percentage : random_placement_value);
5673
5674   /* if not more free positions than elements to place, fill whole level */
5675   if (num_elements >= num_free_positions)
5676   {
5677     for (x=0; x<lev_fieldx; x++)
5678       for (y=0; y<lev_fieldy; y++)
5679         Feld[x][y] = new_element;
5680
5681     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5682     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5683     return;
5684   }
5685
5686   while (num_elements > 0)
5687   {
5688     x = RND(lev_fieldx);
5689     y = RND(lev_fieldy);
5690
5691     /* don't place element at the same position twice */
5692     if (free_position[x][y])
5693     {
5694       free_position[x][y] = FALSE;
5695       Feld[x][y] = new_element;
5696       num_elements--;
5697     }
5698   }
5699
5700   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5701   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5702 }
5703
5704 void WrapLevel(int dx, int dy)
5705 {
5706   int wrap_dx = lev_fieldx - dx;
5707   int wrap_dy = lev_fieldy - dy;
5708   int x, y;
5709
5710   for(x=0; x<lev_fieldx; x++)
5711     for(y=0; y<lev_fieldy; y++)
5712       FieldBackup[x][y] = Feld[x][y];
5713
5714   for(x=0; x<lev_fieldx; x++)
5715     for(y=0; y<lev_fieldy; y++)
5716       Feld[x][y] =
5717         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
5718
5719   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5720   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
5721 }
5722
5723 static void HandleDrawingAreas(struct GadgetInfo *gi)
5724 {
5725   static boolean started_inside_drawing_area = FALSE;
5726   int id = gi->custom_id;
5727   boolean button_press_event;
5728   boolean button_release_event;
5729   boolean inside_drawing_area = !gi->event.off_borders;
5730   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
5731   int actual_drawing_function;
5732   int button = gi->event.button;
5733   int new_element = BUTTON_ELEMENT(button);
5734   int sx = gi->event.x, sy = gi->event.y;
5735   int min_sx = 0, min_sy = 0;
5736   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
5737   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
5738   int lx = 0, ly = 0;
5739   int min_lx = 0, min_ly = 0;
5740   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
5741   int x, y;
5742
5743   /* handle info callback for each invocation of action callback */
5744   gi->callback_info(gi);
5745
5746   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
5747   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
5748
5749   /* make sure to stay inside drawing area boundaries */
5750   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
5751   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
5752
5753   if (draw_level)
5754   {
5755     /* get positions inside level field */
5756     lx = sx + level_xpos;
5757     ly = sy + level_ypos;
5758
5759     if (!IN_LEV_FIELD(lx, ly))
5760       inside_drawing_area = FALSE;
5761
5762     /* make sure to stay inside level field boundaries */
5763     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5764     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5765
5766     /* correct drawing area positions accordingly */
5767     sx = lx - level_xpos;
5768     sy = ly - level_ypos;
5769   }
5770
5771   if (button_press_event)
5772     started_inside_drawing_area = inside_drawing_area;
5773
5774   if (!started_inside_drawing_area)
5775     return;
5776
5777   if (!button && !button_release_event)
5778     return;
5779
5780   /* automatically switch to 'single item' drawing mode, if needed */
5781   actual_drawing_function =
5782     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
5783      drawing_function : GADGET_ID_SINGLE_ITEMS);
5784
5785   /* clicking into drawing area with pressed Control key picks element */
5786   if (GetKeyModState() & KMOD_Control)
5787     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
5788
5789   switch (actual_drawing_function)
5790   {
5791     case GADGET_ID_SINGLE_ITEMS:
5792       if (draw_level)
5793       {
5794         if (button_release_event)
5795         {
5796           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5797
5798           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
5799               !inside_drawing_area)
5800             DeleteBrushFromCursor();
5801         }
5802
5803         if (!button)
5804           break;
5805
5806         if (draw_with_brush)
5807         {
5808           if (!button_release_event)
5809             CopyBrushToLevel(sx, sy, button);
5810         }
5811         else if (new_element != Feld[lx][ly])
5812         {
5813           if (new_element == EL_PLAYER_1)
5814           {
5815             /* remove player at old position */
5816             for(y=0; y<lev_fieldy; y++)
5817             {
5818               for(x=0; x<lev_fieldx; x++)
5819               {
5820                 if (Feld[x][y] == EL_PLAYER_1)
5821                 {
5822                   Feld[x][y] = EL_EMPTY;
5823                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
5824                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
5825                     DrawMiniElement(x - level_xpos, y - level_ypos,
5826                                     EL_EMPTY);
5827                 }
5828               }
5829             }
5830           }
5831
5832           Feld[lx][ly] = new_element;
5833           DrawMiniElement(sx, sy, new_element);
5834         }
5835       }
5836       else
5837       {
5838         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
5839           DrawMiniGraphicExt(drawto,
5840                              gi->x + sx * MINI_TILEX,
5841                              gi->y + sy * MINI_TILEY,
5842                              el2edimg(new_element));
5843         else
5844           DrawGraphicExt(drawto,
5845                          gi->x + sx * TILEX,
5846                          gi->y + sy * TILEY,
5847                          el2img(new_element), 0);
5848
5849         if (id == GADGET_ID_AMOEBA_CONTENT)
5850           level.amoeba_content = new_element;
5851         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5852         {
5853           new_element = GFX_ELEMENT(new_element);
5854           custom_element.gfx_element = new_element;
5855
5856           CopyCustomElementPropertiesToGame(properties_element);
5857
5858           UpdateCustomElementGraphicGadgets();
5859
5860           FrameCounter = 0;     /* restart animation frame counter */
5861         }
5862         else if (id == GADGET_ID_CUSTOM_CONTENT)
5863         {
5864           custom_element.content[sx][sy] = new_element;
5865
5866           CopyCustomElementPropertiesToGame(properties_element);
5867         }
5868         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
5869         {
5870           custom_element.change.target_element = new_element;
5871
5872           CopyCustomElementPropertiesToGame(properties_element);
5873         }
5874         else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
5875         {
5876           custom_element.change.content[sx][sy] = new_element;
5877
5878           CopyCustomElementPropertiesToGame(properties_element);
5879         }
5880         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
5881         {
5882           custom_element.change.trigger_element = new_element;
5883
5884           CopyCustomElementPropertiesToGame(properties_element);
5885         }
5886         else if (id == GADGET_ID_RANDOM_BACKGROUND)
5887           random_placement_background_element = new_element;
5888         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5889                  id <= GADGET_ID_ELEMENT_CONTENT_7)
5890           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
5891             new_element;
5892       }
5893       break;
5894
5895     case GADGET_ID_CONNECTED_ITEMS:
5896       {
5897         static int last_sx = -1;
5898         static int last_sy = -1;
5899
5900         if (button_release_event)
5901           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5902
5903         if (button)
5904         {
5905           if (!button_press_event)
5906             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
5907
5908           last_sx = sx;
5909           last_sy = sy;
5910         }
5911       }
5912       break;
5913
5914     case GADGET_ID_LINE:
5915     case GADGET_ID_ARC:
5916     case GADGET_ID_RECTANGLE:
5917     case GADGET_ID_FILLED_BOX:
5918     case GADGET_ID_GRAB_BRUSH:
5919     case GADGET_ID_TEXT:
5920       {
5921         static int last_sx = -1;
5922         static int last_sy = -1;
5923         static int start_sx = -1;
5924         static int start_sy = -1;
5925         void (*draw_func)(int, int, int, int, int, boolean);
5926
5927         if (drawing_function == GADGET_ID_LINE)
5928           draw_func = DrawLine;
5929         else if (drawing_function == GADGET_ID_ARC)
5930           draw_func = DrawArc;
5931         else if (drawing_function == GADGET_ID_RECTANGLE)
5932           draw_func = DrawBox;
5933         else if (drawing_function == GADGET_ID_FILLED_BOX)
5934           draw_func = DrawFilledBox;
5935         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
5936           draw_func = SelectArea;
5937         else /* (drawing_function == GADGET_ID_TEXT) */
5938           draw_func = SetTextCursor;
5939
5940         if (button_press_event)
5941         {
5942           draw_func(sx, sy, sx, sy, new_element, FALSE);
5943           start_sx = last_sx = sx;
5944           start_sy = last_sy = sy;
5945
5946           if (drawing_function == GADGET_ID_TEXT)
5947             DrawLevelText(0, 0, 0, TEXT_END);
5948         }
5949         else if (button_release_event)
5950         {
5951           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
5952           if (drawing_function == GADGET_ID_GRAB_BRUSH)
5953           {
5954             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
5955             CopyBrushToCursor(sx, sy);
5956             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
5957                           MB_LEFTBUTTON);
5958             draw_with_brush = TRUE;
5959           }
5960           else if (drawing_function == GADGET_ID_TEXT)
5961             DrawLevelText(sx, sy, 0, TEXT_INIT);
5962           else
5963             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5964         }
5965         else if (last_sx != sx || last_sy != sy)
5966         {
5967           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
5968           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
5969           last_sx = sx;
5970           last_sy = sy;
5971         }
5972       }
5973       break;
5974
5975     case GADGET_ID_FLOOD_FILL:
5976       if (button_press_event && Feld[lx][ly] != new_element)
5977       {
5978         FloodFill(lx, ly, new_element);
5979         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5980         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5981       }
5982       break;
5983
5984     case GADGET_ID_PICK_ELEMENT:
5985       if (button_release_event)
5986         ClickOnGadget(level_editor_gadget[last_drawing_function],
5987                       MB_LEFTBUTTON);
5988       else if (draw_level)
5989         PickDrawingElement(button, Feld[lx][ly]);
5990       else if (id == GADGET_ID_AMOEBA_CONTENT)
5991         PickDrawingElement(button, level.amoeba_content);
5992       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5993         PickDrawingElement(button, custom_element.gfx_element);
5994       else if (id == GADGET_ID_CUSTOM_CONTENT)
5995         PickDrawingElement(button, custom_element.content[sx][sy]);
5996       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
5997         PickDrawingElement(button, custom_element.change.target_element);
5998       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
5999         PickDrawingElement(button, custom_element.change.content[sx][sy]);
6000       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6001         PickDrawingElement(button, custom_element.change.trigger_element);
6002       else if (id == GADGET_ID_RANDOM_BACKGROUND)
6003         PickDrawingElement(button, random_placement_background_element);
6004       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6005                id <= GADGET_ID_ELEMENT_CONTENT_7)
6006       {
6007         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
6008
6009         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
6010       }
6011
6012       break;
6013
6014     default:
6015       break;
6016   }
6017 }
6018
6019 static void HandleCounterButtons(struct GadgetInfo *gi)
6020 {
6021   int gadget_id = gi->custom_id;
6022   int counter_id = gi->custom_type_id;
6023   int button = gi->event.button;
6024   int *counter_value = counterbutton_info[counter_id].value;
6025   int step = BUTTON_STEPSIZE(button) *
6026     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
6027
6028   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
6029   {
6030     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
6031     boolean released = (gi->event.type == GD_EVENT_RELEASED);
6032     boolean level_changed = LevelChanged();
6033
6034     if ((level_changed && pressed) || (!level_changed && released))
6035       return;
6036
6037     if (level_changed && !Request("Level has changed! Discard changes ?",
6038                                   REQ_ASK))
6039     {
6040       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
6041         ModifyEditorCounter(counter_id, *counter_value);
6042       return;
6043     }
6044   }
6045
6046   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
6047     *counter_value = gi->text.number_value;
6048   else
6049     ModifyEditorCounter(counter_id, *counter_value + step);
6050
6051   switch (counter_id)
6052   {
6053     case ED_COUNTER_ID_ELEMENT_CONTENT:
6054       DrawElementContentAreas();
6055       break;
6056
6057     case ED_COUNTER_ID_LEVEL_XSIZE:
6058     case ED_COUNTER_ID_LEVEL_YSIZE:
6059       lev_fieldx = level.fieldx;
6060       lev_fieldy = level.fieldy;
6061       break;
6062
6063     case ED_COUNTER_ID_SELECT_LEVEL:
6064       LoadLevel(level_nr);
6065       TapeErase();
6066       ResetUndoBuffer();
6067       DrawEditModeWindow();
6068       break;
6069
6070     default:
6071       break;
6072   }
6073
6074   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
6075        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
6076       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
6077        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
6078     CopyCustomElementPropertiesToGame(properties_element);
6079 }
6080
6081 static void HandleTextInputGadgets(struct GadgetInfo *gi)
6082 {
6083   int type_id = gi->custom_type_id;
6084
6085   strcpy(textinput_info[type_id].value, gi->text.value);
6086
6087   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
6088   {
6089     CopyCustomElementPropertiesToGame(properties_element);
6090
6091     ModifyEditorElementList();  /* update changed button info text */
6092   }
6093 }
6094
6095 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
6096 {
6097   int type_id = gi->custom_type_id;
6098
6099   *selectbox_info[type_id].value =
6100     selectbox_info[type_id].options[gi->selectbox.index].value;
6101
6102   if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
6103        type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
6104       (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
6105        type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
6106     CopyCustomElementPropertiesToGame(properties_element);
6107 }
6108
6109 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
6110 {
6111   int type_id = gi->custom_type_id;
6112
6113   if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
6114       type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
6115   {
6116     edit_mode_properties = gi->custom_type_id;
6117
6118     DrawPropertiesWindow();
6119   }
6120   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
6121   {
6122     boolean new_template = (!LevelFileExists(-1));
6123
6124     if (new_template ||
6125         Request("Save this tem- plate and kill the old ?", REQ_ASK))
6126       SaveLevelTemplate();
6127
6128     if (new_template)
6129       Request("Tem- plate saved !", REQ_CONFIRM);
6130   }
6131 }
6132
6133 static void HandleRadiobuttons(struct GadgetInfo *gi)
6134 {
6135   *radiobutton_info[gi->custom_type_id].value =
6136     radiobutton_info[gi->custom_type_id].checked_value;
6137 }
6138
6139 static void HandleCheckbuttons(struct GadgetInfo *gi)
6140 {
6141   int type_id = gi->custom_type_id;
6142
6143   *checkbutton_info[type_id].value ^= TRUE;
6144
6145   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
6146        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
6147       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
6148        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST &&
6149        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
6150   {
6151     CopyCustomElementPropertiesToGame(properties_element);
6152   }
6153
6154   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
6155   {
6156     UpdateCustomElementGraphicGadgets();
6157   }
6158   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
6159   {
6160     if (level.use_custom_template && !LevelFileExists(-1))
6161     {
6162       Request("No level tem- plate found !", REQ_CONFIRM);
6163
6164       level.use_custom_template = FALSE;
6165       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
6166
6167       return;
6168     }
6169
6170     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
6171
6172     DrawEditModeWindow();
6173   }
6174 }
6175
6176 static void HandleControlButtons(struct GadgetInfo *gi)
6177 {
6178   int id = gi->custom_id;
6179   int button = gi->event.button;
6180   int step = BUTTON_STEPSIZE(button);
6181   int new_element = BUTTON_ELEMENT(button);
6182   int x, y;
6183
6184   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
6185     DrawLevelText(0, 0, 0, TEXT_END);
6186
6187   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
6188       id != GADGET_ID_PICK_ELEMENT && edit_mode != ED_MODE_DRAWING &&
6189       drawing_function != GADGET_ID_PICK_ELEMENT &&
6190       !(GetKeyModState() & KMOD_Control))
6191   {
6192     DrawDrawingWindow();
6193     edit_mode = ED_MODE_DRAWING;
6194   }
6195
6196   switch (id)
6197   {
6198     case GADGET_ID_SCROLL_LEFT:
6199       if (level_xpos >= 0)
6200       {
6201         if (lev_fieldx < ed_fieldx - 2)
6202           break;
6203
6204         level_xpos -= step;
6205         if (level_xpos < -1)
6206           level_xpos = -1;
6207         if (button == 1)
6208           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
6209         else
6210           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6211
6212         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6213                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6214       }
6215       break;
6216
6217     case GADGET_ID_SCROLL_RIGHT:
6218       if (level_xpos <= lev_fieldx - ed_fieldx)
6219       {
6220         if (lev_fieldx < ed_fieldx - 2)
6221           break;
6222
6223         level_xpos += step;
6224         if (level_xpos > lev_fieldx - ed_fieldx + 1)
6225           level_xpos = lev_fieldx - ed_fieldx + 1;
6226         if (button == 1)
6227           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
6228         else
6229           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6230
6231         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6232                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6233       }
6234       break;
6235
6236     case GADGET_ID_SCROLL_UP:
6237       if (level_ypos >= 0)
6238       {
6239         if (lev_fieldy < ed_fieldy - 2)
6240           break;
6241
6242         level_ypos -= step;
6243         if (level_ypos < -1)
6244           level_ypos = -1;
6245         if (button == 1)
6246           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
6247         else
6248           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6249
6250         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6251                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6252       }
6253       break;
6254
6255     case GADGET_ID_SCROLL_DOWN:
6256       if (level_ypos <= lev_fieldy - ed_fieldy)
6257       {
6258         if (lev_fieldy < ed_fieldy - 2)
6259           break;
6260
6261         level_ypos += step;
6262         if (level_ypos > lev_fieldy - ed_fieldy + 1)
6263           level_ypos = lev_fieldy - ed_fieldy + 1;
6264         if (button == 1)
6265           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
6266         else
6267           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6268
6269         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6270                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6271       }
6272       break;
6273
6274     case GADGET_ID_SCROLL_HORIZONTAL:
6275       level_xpos = gi->event.item_position - 1;
6276       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6277       break;
6278
6279     case GADGET_ID_SCROLL_VERTICAL:
6280       level_ypos = gi->event.item_position - 1;
6281       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6282       break;
6283
6284     case GADGET_ID_SCROLL_LIST_UP:
6285     case GADGET_ID_SCROLL_LIST_DOWN:
6286     case GADGET_ID_SCROLL_LIST_VERTICAL:
6287       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
6288         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
6289       else
6290       {
6291         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
6292         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
6293
6294         if (element_shift < 0)
6295           element_shift = 0;
6296         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
6297           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
6298
6299         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
6300                      GDI_SCROLLBAR_ITEM_POSITION,
6301                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
6302       }
6303
6304       ModifyEditorElementList();
6305
6306       break;
6307
6308     case GADGET_ID_WRAP_LEFT:
6309       WrapLevel(-step, 0);
6310       break;
6311
6312     case GADGET_ID_WRAP_RIGHT:
6313       WrapLevel(step, 0);
6314       break;
6315
6316     case GADGET_ID_WRAP_UP:
6317       WrapLevel(0, -step);
6318       break;
6319
6320     case GADGET_ID_WRAP_DOWN:
6321       WrapLevel(0, step);
6322       break;
6323
6324     case GADGET_ID_SINGLE_ITEMS:
6325     case GADGET_ID_CONNECTED_ITEMS:
6326     case GADGET_ID_LINE:
6327     case GADGET_ID_ARC:
6328     case GADGET_ID_TEXT:
6329     case GADGET_ID_RECTANGLE:
6330     case GADGET_ID_FILLED_BOX:
6331     case GADGET_ID_FLOOD_FILL:
6332     case GADGET_ID_GRAB_BRUSH:
6333     case GADGET_ID_PICK_ELEMENT:
6334       if (drawing_function != GADGET_ID_PICK_ELEMENT)
6335         last_drawing_function = drawing_function;
6336       drawing_function = id;
6337       draw_with_brush = FALSE;
6338       break;
6339
6340     case GADGET_ID_RANDOM_PLACEMENT:
6341       RandomPlacement(new_element);
6342       break;
6343
6344     case GADGET_ID_PROPERTIES:
6345       if (edit_mode != ED_MODE_PROPERTIES)
6346       {
6347         properties_element = new_element;
6348         DrawPropertiesWindow();
6349         edit_mode = ED_MODE_PROPERTIES;
6350       }
6351       else
6352       {
6353         DrawDrawingWindow();
6354         edit_mode = ED_MODE_DRAWING;
6355       }
6356       break;
6357
6358     case GADGET_ID_UNDO:
6359       if (undo_buffer_steps == 0)
6360       {
6361         Request("Undo buffer empty !", REQ_CONFIRM);
6362         break;
6363       }
6364
6365       if (edit_mode != ED_MODE_DRAWING)
6366       {
6367         DrawDrawingWindow();
6368         edit_mode = ED_MODE_DRAWING;
6369       }
6370
6371       undo_buffer_position =
6372         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
6373       undo_buffer_steps--;
6374
6375       for(x=0; x<lev_fieldx; x++)
6376         for(y=0; y<lev_fieldy; y++)
6377           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
6378       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
6379       break;
6380
6381     case GADGET_ID_INFO:
6382       if (edit_mode != ED_MODE_INFO)
6383       {
6384         DrawLevelInfoWindow();
6385         edit_mode = ED_MODE_INFO;
6386       }
6387       else
6388       {
6389         DrawDrawingWindow();
6390         edit_mode = ED_MODE_DRAWING;
6391       }
6392       break;
6393
6394     case GADGET_ID_CLEAR:
6395       if (edit_mode != ED_MODE_DRAWING)
6396       {
6397         DrawDrawingWindow();
6398         edit_mode = ED_MODE_DRAWING;
6399       }
6400
6401       for(x=0; x<MAX_LEV_FIELDX; x++)
6402         for(y=0; y<MAX_LEV_FIELDY; y++)
6403           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
6404       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
6405
6406       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6407       break;
6408
6409     case GADGET_ID_SAVE:
6410       if (leveldir_current->readonly)
6411       {
6412         Request("This level is read only !", REQ_CONFIRM);
6413         break;
6414       }
6415
6416       if (!LevelContainsPlayer)
6417         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
6418       else
6419       {
6420         boolean new_level = (!LevelFileExists(level_nr));
6421
6422         if (new_level ||
6423             Request("Save this level and kill the old ?", REQ_ASK))
6424         {
6425           CopyPlayfield(Feld, level.field);
6426
6427           SaveLevel(level_nr);
6428         }
6429
6430         if (new_level)
6431           Request("Level saved !", REQ_CONFIRM);
6432       }
6433       break;
6434
6435     case GADGET_ID_TEST:
6436       if (!LevelContainsPlayer)
6437         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
6438       else
6439       {
6440         if (LevelChanged())
6441           level.game_version = GAME_VERSION_ACTUAL;
6442
6443         CopyPlayfield(level.field, FieldBackup);
6444         CopyPlayfield(Feld, level.field);
6445
6446         UnmapLevelEditorGadgets();
6447         UndrawSpecialEditorDoor();
6448
6449         CloseDoor(DOOR_CLOSE_ALL);
6450
6451         DrawCompleteVideoDisplay();
6452
6453         if (setup.autorecord)
6454           TapeStartRecording();
6455
6456         level_editor_test_game = TRUE;
6457         game_status = GAME_MODE_PLAYING;
6458
6459         InitGame();
6460       }
6461       break;
6462
6463     case GADGET_ID_EXIT:
6464       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
6465       break;
6466
6467     default:
6468       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
6469           id <= GADGET_ID_ELEMENTLIST_LAST)
6470       {
6471         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
6472         int new_element = editor_elements[element_position + element_shift];
6473
6474         PickDrawingElement(button, new_element);
6475
6476         if (!stick_element_properties_window &&
6477             drawing_function != GADGET_ID_PICK_ELEMENT &&
6478             !(GetKeyModState() & KMOD_Control))
6479         {
6480           properties_element = new_element;
6481           if (edit_mode == ED_MODE_PROPERTIES)
6482             DrawPropertiesWindow();
6483         }
6484
6485         if (drawing_function == GADGET_ID_PICK_ELEMENT)
6486           ClickOnGadget(level_editor_gadget[last_drawing_function],
6487                         MB_LEFTBUTTON);
6488       }
6489 #ifdef DEBUG
6490       else if (gi->event.type == GD_EVENT_PRESSED)
6491         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
6492       else if (gi->event.type == GD_EVENT_RELEASED)
6493         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
6494       else if (gi->event.type == GD_EVENT_MOVING)
6495         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
6496       else
6497         printf("default: HandleControlButtons: ? (id == %d)\n", id);
6498 #endif
6499       break;
6500   }
6501 }
6502
6503 void HandleLevelEditorKeyInput(Key key)
6504 {
6505   char letter = getCharFromKey(key);
6506   int button = MB_LEFTBUTTON;
6507
6508   if (drawing_function == GADGET_ID_TEXT &&
6509       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
6510   {
6511     if (letter)
6512       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
6513     else if (key == KSYM_Delete || key == KSYM_BackSpace)
6514       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
6515     else if (key == KSYM_Return)
6516       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
6517     else if (key == KSYM_Escape)
6518       DrawLevelText(0, 0, 0, TEXT_END);
6519   }
6520   else if (button_status == MB_RELEASED)
6521   {
6522     int i, id = GADGET_ID_NONE;
6523
6524     switch (key)
6525     {
6526       case KSYM_Left:
6527         id = GADGET_ID_SCROLL_LEFT;
6528         break;
6529       case KSYM_Right:
6530         id = GADGET_ID_SCROLL_RIGHT;
6531         break;
6532       case KSYM_Up:
6533         id = GADGET_ID_SCROLL_UP;
6534         break;
6535       case KSYM_Down:
6536         id = GADGET_ID_SCROLL_DOWN;
6537         break;
6538       case KSYM_Page_Up:
6539         id = GADGET_ID_SCROLL_LIST_UP;
6540         button = MB_RIGHTBUTTON;
6541         break;
6542       case KSYM_Page_Down:
6543         id = GADGET_ID_SCROLL_LIST_DOWN;
6544         button = MB_RIGHTBUTTON;
6545         break;
6546
6547       case KSYM_Escape:
6548         if (edit_mode == ED_MODE_DRAWING)
6549         {
6550           RequestExitLevelEditor(setup.ask_on_escape);
6551         }
6552         else
6553         {
6554           DrawDrawingWindow();
6555           edit_mode = ED_MODE_DRAWING;
6556         }
6557         break;
6558
6559       default:
6560         break;
6561     }
6562
6563     if (id != GADGET_ID_NONE)
6564       ClickOnGadget(level_editor_gadget[id], button);
6565     else if (letter == '.')
6566       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
6567     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
6568       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
6569     else
6570       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
6571         if (letter && letter == control_info[i].shortcut)
6572           if (!anyTextGadgetActive())
6573             ClickOnGadget(level_editor_gadget[i], button);
6574   }
6575 }
6576
6577 void HandleLevelEditorIdle()
6578 {
6579   static unsigned long action_delay = 0;
6580   unsigned long action_delay_value = GameFrameDelay;
6581   int xpos = 1, ypos = 2;
6582
6583   if (edit_mode != ED_MODE_PROPERTIES)
6584     return;
6585
6586   if (!DelayReached(&action_delay, action_delay_value))
6587     return;
6588
6589   DrawGraphicAnimationExt(drawto,
6590                           SX + xpos * TILEX,
6591                           SY + ypos * TILEY + MINI_TILEY / 2,
6592                           el2img(properties_element), -1, NO_MASKING);
6593
6594   MarkTileDirty(xpos, ypos);
6595   MarkTileDirty(xpos, ypos + 1);
6596
6597   FrameCounter++;       /* increase animation frame counter */
6598 }
6599
6600 void ClearEditorGadgetInfoText()
6601 {
6602   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
6603 }
6604
6605 void HandleEditorGadgetInfoText(void *ptr)
6606 {
6607   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
6608   char infotext[MAX_OUTPUT_LINESIZE + 1];
6609   char shortcut[MAX_OUTPUT_LINESIZE + 1];
6610   int max_infotext_len = getMaxInfoTextLength();
6611
6612   if (game_status != GAME_MODE_EDITOR)
6613     return;
6614
6615   ClearEditorGadgetInfoText();
6616
6617   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6618     return;
6619
6620   /* misuse this function to delete brush cursor, if needed */
6621   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
6622     DeleteBrushFromCursor();
6623
6624   if (gi == NULL || gi->info_text == NULL)
6625     return;
6626
6627   strncpy(infotext, gi->info_text, max_infotext_len);
6628   infotext[max_infotext_len] = '\0';
6629
6630   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
6631   {
6632     int key = control_info[gi->custom_id].shortcut;
6633
6634     if (key)
6635     {
6636       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
6637         sprintf(shortcut, " ('.' or '%c')", key);
6638       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
6639         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
6640       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
6641         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
6642       else                                              /* normal case */
6643         sprintf(shortcut, " ('%s%c')",
6644                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
6645
6646       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
6647         strcat(infotext, shortcut);
6648     }
6649   }
6650
6651   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
6652 }
6653
6654 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
6655 {
6656   static int start_lx, start_ly;
6657   char *infotext;
6658   int id = gi->custom_id;
6659   int sx = gi->event.x;
6660   int sy = gi->event.y;
6661   int lx = sx + level_xpos;
6662   int ly = sy + level_ypos;
6663   int min_sx = 0, min_sy = 0;
6664   int max_sx = gi->drawing.area_xsize - 1;
6665   int max_sy = gi->drawing.area_ysize - 1;
6666   int actual_drawing_function = drawing_function;
6667
6668   /* pressed Control key: simulate picking element */
6669   if (GetKeyModState() & KMOD_Control)
6670     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
6671
6672   ClearEditorGadgetInfoText();
6673
6674   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6675     return;
6676
6677   /* make sure to stay inside drawing area boundaries */
6678   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
6679   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
6680
6681   if (id == GADGET_ID_DRAWING_LEVEL)
6682   {
6683     if (button_status)
6684     {
6685       int min_lx = 0, min_ly = 0;
6686       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
6687
6688       /* get positions inside level field */
6689       lx = sx + level_xpos;
6690       ly = sy + level_ypos;
6691
6692       /* make sure to stay inside level field boundaries */
6693       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
6694       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
6695
6696       /* correct drawing area positions accordingly */
6697       sx = lx - level_xpos;
6698       sy = ly - level_ypos;
6699     }
6700
6701     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
6702     {
6703       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
6704       {
6705         if (gi->event.type == GD_EVENT_PRESSED)
6706         {
6707           start_lx = lx;
6708           start_ly = ly;
6709         }
6710
6711         switch (actual_drawing_function)
6712         {
6713           case GADGET_ID_SINGLE_ITEMS:
6714             infotext = "Drawing single items";
6715             break;
6716           case GADGET_ID_CONNECTED_ITEMS:
6717             infotext = "Drawing connected items";
6718             break;
6719           case GADGET_ID_LINE:
6720             infotext = "Drawing line";
6721             break;
6722           case GADGET_ID_ARC:
6723             infotext = "Drawing arc";
6724             break;
6725           case GADGET_ID_TEXT:
6726             infotext = "Setting text cursor";
6727             break;
6728           case GADGET_ID_RECTANGLE:
6729             infotext = "Drawing rectangle";
6730             break;
6731           case GADGET_ID_FILLED_BOX:
6732             infotext = "Drawing filled box";
6733             break;
6734           case GADGET_ID_FLOOD_FILL:
6735             infotext = "Flood fill";
6736             break;
6737           case GADGET_ID_GRAB_BRUSH:
6738             infotext = "Grabbing brush";
6739             break;
6740           case GADGET_ID_PICK_ELEMENT:
6741             infotext = "Picking element";
6742             break;
6743
6744           default:
6745             infotext = "Drawing position";
6746             break;
6747         }
6748
6749         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6750           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6751                     "%s: %d, %d", infotext, lx, ly);
6752         else
6753           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6754                     "%s: %d, %d", infotext,
6755                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
6756       }
6757       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6758         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6759                   "%s", getElementInfoText(Feld[lx][ly]));
6760       else
6761         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6762                   "Level position: %d, %d", lx, ly);
6763     }
6764
6765     /* misuse this function to draw brush cursor, if needed */
6766     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
6767     {
6768       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6769         CopyBrushToCursor(sx, sy);
6770       else
6771         DeleteBrushFromCursor();
6772     }
6773   }
6774   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6775   {
6776     if (id == GADGET_ID_AMOEBA_CONTENT)
6777       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6778                 getElementInfoText(level.amoeba_content));
6779     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6780       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6781                 getElementInfoText(custom_element.gfx_element));
6782     else if (id == GADGET_ID_CUSTOM_CONTENT)
6783       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6784                 getElementInfoText(custom_element.content[sx][sy]));
6785     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6786       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6787                 getElementInfoText(custom_element.change.target_element));
6788     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6789       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6790                 getElementInfoText(custom_element.change.content[sx][sy]));
6791     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6792       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6793                 getElementInfoText(custom_element.change.trigger_element));
6794     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6795       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6796                 getElementInfoText(random_placement_background_element));
6797     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6798              id <= GADGET_ID_ELEMENT_CONTENT_7)
6799     {
6800       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
6801
6802       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6803                 getElementInfoText(level.yamyam_content[i][sx][sy]));
6804     }
6805   }
6806   else
6807   {
6808     if (id == GADGET_ID_AMOEBA_CONTENT)
6809       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6810                 "Amoeba content");
6811     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6812       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6813                 "Custom graphic element");
6814     else if (id == GADGET_ID_CUSTOM_CONTENT)
6815       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6816                 "Custom element content position: %d, %d", sx, sy);
6817     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6818       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6819                 "New element after change");
6820     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6821       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6822                 "New extended elements after change");
6823     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6824       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6825                 "Other element triggering change");
6826     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6827       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6828                 "Random placement background");
6829     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6830              id <= GADGET_ID_ELEMENT_CONTENT_7)
6831       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6832                 "Content area %d position: %d, %d",
6833                 id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
6834   }
6835 }
6836
6837 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
6838 {
6839   if (!ask_if_level_has_changed ||
6840       !LevelChanged() ||
6841       Request("Level has changed! Exit without saving ?",
6842               REQ_ASK | REQ_STAY_OPEN))
6843   {
6844     CloseDoor(DOOR_CLOSE_1);
6845     /*
6846     CloseDoor(DOOR_CLOSE_ALL);
6847     */
6848     game_status = GAME_MODE_MAIN;
6849     DrawMainMenu();
6850   }
6851   else
6852   {
6853     CloseDoor(DOOR_CLOSE_1);
6854     BlitBitmap(bitmap_db_door, bitmap_db_door,
6855                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
6856                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
6857     OpenDoor(DOOR_OPEN_1);
6858   }
6859 }