src/editor.c

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