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 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  28
  29
  30 /*
  31   -----------------------------------------------------------------------------
  32   screen and artwork graphic pixel position definitions
  33   -----------------------------------------------------------------------------
  34 */
  35
  36 /* positions in the level editor */
  37 #define ED_WIN_MB_LEFT_XPOS             6
  38 #define ED_WIN_MB_LEFT_YPOS             258
  39 #define ED_WIN_MB_MIDDLE_XPOS           42
  40 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  41 #define ED_WIN_MB_RIGHT_XPOS            78
  42 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  43
  44 /* values for the control window */
  45 #define ED_CTRL_BUTTONS_GFX_YPOS        236
  46 #define ED_CTRL_BUTTONS_ALT_GFX_YPOS    142
  47
  48 #define ED_CTRL1_BUTTONS_HORIZ          4
  49 #define ED_CTRL1_BUTTONS_VERT           4
  50 #define ED_CTRL1_BUTTON_XSIZE           22
  51 #define ED_CTRL1_BUTTON_YSIZE           22
  52 #define ED_CTRL1_BUTTONS_XPOS           6
  53 #define ED_CTRL1_BUTTONS_YPOS           6
  54 #define ED_CTRL2_BUTTONS_HORIZ          3
  55 #define ED_CTRL2_BUTTONS_VERT           2
  56 #define ED_CTRL2_BUTTON_XSIZE           30
  57 #define ED_CTRL2_BUTTON_YSIZE           20
  58 #define ED_CTRL2_BUTTONS_XPOS           5
  59 #define ED_CTRL2_BUTTONS_YPOS           99
  60 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  61 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  62 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
  63
  64 /* values for the element list */
  65 #define ED_ELEMENTLIST_XPOS             5
  66 #define ED_ELEMENTLIST_YPOS             30
  67 #define ED_ELEMENTLIST_XSIZE            20
  68 #define ED_ELEMENTLIST_YSIZE            20
  69 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  70 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  71 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  72                                          ED_ELEMENTLIST_BUTTONS_VERT)
  73
  74 /* standard distances */
  75 #define ED_BORDER_SIZE                  3
  76 #define ED_BORDER_TEXT_XSIZE            5
  77 #define ED_BORDER_AREA_YSIZE            1
  78
  79 #define ED_GADGET_DISTANCE              2
  80 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
  81 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE + \
  82                                          MINI_TILEX / 2)
  83
  84 /* values for the setting windows */
  85 #define ED_SETTINGS_XSTART              (3 * MINI_TILEX / 2)
  86 #define ED_SETTINGS_YSTART              (MINI_TILEY * 10)
  87
  88 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE + \
  89                                          2 * ED_GADGET_DISTANCE)
  90
  91 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
  92 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
  93
  94 #define ED_SETTINGS_XPOS(n)             (ED_SETTINGS_XSTART + \
  95                                          n * ED_SETTINGS_XOFFSET)
  96 #define ED_SETTINGS_YPOS(n)             (ED_SETTINGS_YSTART + \
  97                                          n * ED_SETTINGS_YOFFSET)
  98
  99 #define ED_SETTINGS1_YPOS               MINI_TILEY
 100 #define ED_SETTINGS2_XPOS               MINI_TILEX
 101 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
 102
 103 /* values for counter gadgets */
 104 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 105 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 106 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
 107                                          n * ED_COUNTER_YDISTANCE)
 108 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 109                                          n * ED_COUNTER_YDISTANCE - 2)
 110
 111 /* values for element content drawing areas */
 112 /* amoeba content */
 113 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 114 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 115
 116 /* yamyam content */
 117 #define ED_AREA_YAMYAM_CONTENT_XPOS(n)  (ED_AREA_ELEM_CONTENT_XPOS + \
 118                                          5 * (n % 4) * MINI_TILEX)
 119 #define ED_AREA_YAMYAM_CONTENT_YPOS(n)  (ED_AREA_ELEM_CONTENT_YPOS + \
 120                                          6 * (n / 4) * MINI_TILEY)
 121
 122 /* custom change target */
 123 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(2) + \
 124                                          ED_GADGET_DISTANCE)
 125 /* optional custom graphic */
 126 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(1) + \
 127                                          ED_GADGET_DISTANCE)
 128 /* custom element content */
 129 #define ED_AREA_ELEM_CONTENT4_XPOS      (29 * MINI_TILEX)
 130 #define ED_AREA_ELEM_CONTENT4_YPOS      (ED_SETTINGS_YPOS(12) + \
 131                                          ED_GADGET_DISTANCE - MINI_TILEY)
 132 /* custom change trigger element */
 133 #define ED_AREA_ELEM_CONTENT5_YPOS      (ED_SETTINGS_YPOS(6) + \
 134                                          ED_GADGET_DISTANCE)
 135 /* extended custom change target */
 136 #define ED_AREA_ELEM_CONTENT6_XPOS      (29 * MINI_TILEX)
 137 #define ED_AREA_ELEM_CONTENT6_YPOS      (ED_SETTINGS_YPOS(10) + \
 138                                          ED_GADGET_DISTANCE - MINI_TILEY)
 139
 140 /* values for random placement background drawing area */
 141 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 142
 143 /* values for scrolling gadgets for drawing area */
 144 #define ED_SCROLLBUTTON_XPOS            24
 145 #define ED_SCROLLBUTTON_YPOS            0
 146 #define ED_SCROLLBAR_XPOS               24
 147 #define ED_SCROLLBAR_YPOS               64
 148
 149 #define ED_SCROLLBUTTON_XSIZE           16
 150 #define ED_SCROLLBUTTON_YSIZE           16
 151
 152 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 153 #define ED_SCROLL_UP_YPOS               (0)
 154 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 155 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 156 #define ED_SCROLL_LEFT_XPOS             (0)
 157 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 158 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 159 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 160 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 161 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 162 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 163 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 164 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 165 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 166 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 167 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 168
 169 /* values for scrolling gadgets for element list */
 170 #define ED_SCROLLBUTTON2_XPOS           50
 171 #define ED_SCROLLBUTTON2_YPOS           0
 172 #define ED_SCROLLBAR2_XPOS              50
 173 #define ED_SCROLLBAR2_YPOS              20
 174
 175 #define ED_SCROLLBUTTON2_XSIZE          10
 176 #define ED_SCROLLBUTTON2_YSIZE          10
 177
 178 #define ED_SCROLL2_UP_XPOS              85
 179 #define ED_SCROLL2_UP_YPOS              30
 180 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 181 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 182                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 183                                          ED_ELEMENTLIST_YSIZE - \
 184                                          ED_SCROLLBUTTON2_YSIZE)
 185 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 186 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 187                                          ED_SCROLLBUTTON2_YSIZE)
 188 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 189 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 190                                          ED_ELEMENTLIST_YSIZE - \
 191                                          2 * ED_SCROLLBUTTON2_YSIZE)
 192
 193 /* values for checkbutton gadgets */
 194 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 195 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 196 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 197 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 198 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 199 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 200 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 201
 202 /* some positions in the editor control window */
 203 #define ED_BUTTON_ELEM_XPOS             6
 204 #define ED_BUTTON_ELEM_YPOS             30
 205 #define ED_BUTTON_ELEM_XSIZE            22
 206 #define ED_BUTTON_ELEM_YSIZE            22
 207
 208 /* some values for text input, selectbox and counter gadgets */
 209 #define ED_BUTTON_COUNT_YPOS            60
 210 #define ED_BUTTON_COUNT_XSIZE           20
 211 #define ED_BUTTON_COUNT_YSIZE           20
 212 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 213 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 214 #define ED_WIN_COUNT_XSIZE              52
 215 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 216 #define ED_WIN_COUNT2_XPOS              27
 217 #define ED_WIN_COUNT2_YPOS              3
 218 #define ED_WIN_COUNT2_XSIZE             46
 219 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 220
 221 #define ED_BUTTON_MINUS_XPOS            2
 222 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 223 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 224 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 225 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 226                                          ED_WIN_COUNT_XSIZE + 2)
 227 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 228 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 229 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 230
 231 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 232 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 233                                          2 + ED_WIN_COUNT_YSIZE)
 234 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 235 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 236
 237 #define ED_SELECTBOX_BUTTON_XSIZE       14
 238
 239 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 240 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 241                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 242 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 243
 244 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 245 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS + \
 246                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 247 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS + \
 248                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 249
 250 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 251 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 252
 253 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 254 #define INFOTEXT_XPOS                   SX
 255 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 256 #define INFOTEXT_XSIZE                  SXSIZE
 257 #define INFOTEXT_YSIZE                  MINI_TILEX
 258
 259
 260 /*
 261   -----------------------------------------------------------------------------
 262   editor gadget definitions
 263   -----------------------------------------------------------------------------
 264 */
 265
 266 /* drawing toolbox buttons */
 267 #define GADGET_ID_NONE                  -1
 268 #define GADGET_ID_TOOLBOX_FIRST         0
 269
 270 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 271 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 272 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 273 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 274 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 275 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 276 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 277 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 278 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 279 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 280 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 281 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 282 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 283 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 284 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 285 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 286 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 287 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 288 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 289 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 290 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 291 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 292
 293 /* counter button identifiers */
 294 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 295
 296 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 297 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 298 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 299 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 300 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 301 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 302 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 303 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 304 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 305 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 306 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 307 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 308 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 309 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 310 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 311 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 312 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 313 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 314 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 315 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 316 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 317 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 318 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 319 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 320 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 321 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 322 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 323 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 324 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 325 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 29)
 326 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 327 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 328 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 32)
 329 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 33)
 330 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 34)
 331 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 35)
 332 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 36)
 333 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 37)
 334 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 38)
 335 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 336 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 337 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 41)
 338 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 42)
 339 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 43)
 340 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 44)
 341 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 342 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 343 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 47)
 344 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 345 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 346 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 50)
 347 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 51)
 348 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 52)
 349 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 53)
 350 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 54)
 351 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 55)
 352 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 56)
 353 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 354 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 355 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 59)
 356
 357 /* drawing area identifiers */
 358 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 60)
 359
 360 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 361 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 362 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 363 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 364 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 365 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 366 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 367 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 368 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 369 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 370 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 371 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 372 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 373 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 13)
 374 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 14)
 375 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 15)
 376
 377 /* text input identifiers */
 378 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 16)
 379
 380 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 381 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 382 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 383
 384 /* text area identifiers */
 385 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 386
 387 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 388
 389 /* selectbox identifiers */
 390 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 391
 392 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 0)
 393 #define GADGET_ID_CUSTOM_CONSISTENCY    (GADGET_ID_SELECTBOX_FIRST + 1)
 394 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 2)
 395 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 3)
 396 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 4)
 397 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 5)
 398 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 6)
 399 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 7)
 400 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 8)
 401 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 9)
 402 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 10)
 403 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 11)
 404 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 12)
 405 #define GADGET_ID_CHANGE_SIDES          (GADGET_ID_SELECTBOX_FIRST + 13)
 406 #define GADGET_ID_CHANGE_POWER          (GADGET_ID_SELECTBOX_FIRST + 14)
 407 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 15)
 408
 409 /* textbutton identifiers */
 410 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 16)
 411
 412 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 413 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 414 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 415 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 3)
 416 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 4)
 417 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 5)
 418
 419 /* graphicbutton identifiers */
 420 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 6)
 421
 422 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 423 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 424
 425 /* gadgets for scrolling of drawing area */
 426 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 427
 428 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 429 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 430 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 431 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 432 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 433 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 434
 435 /* gadgets for scrolling element list */
 436 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 437
 438 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 439 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 440 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 441
 442 /* checkbuttons for level/element properties */
 443 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 444
 445 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 446 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 447 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 448 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 449 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 450 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 451 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 452 #define GADGET_ID_CUSTOM_EXPLODE_RESULT (GADGET_ID_CHECKBUTTON_FIRST + 7)
 453 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 454 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 9)
 455 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 10)
 456 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 11)
 457 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 12)
 458 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 459 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 460 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 461 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 16)
 462 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 17)
 463 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 464 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 465 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 466 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 21)
 467 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 22)
 468 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 469 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 24)
 470 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 25)
 471 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 26)
 472 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 27)
 473
 474 /* gadgets for buttons in element list */
 475 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 476 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 477                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 478
 479 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 480
 481 /* radio button numbers */
 482 #define RADIO_NR_NONE                   0
 483 #define RADIO_NR_DRAWING_TOOLBOX        1
 484 #define RADIO_NR_RANDOM_ELEMENTS        2
 485
 486 /* values for counter gadgets */
 487 #define ED_COUNTER_ID_SELECT_LEVEL      0
 488 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 489 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 490 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 491 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 492 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 493 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 494 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 495 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 496 #define ED_COUNTER_ID_ENVELOPE_XSIZE    9
 497 #define ED_COUNTER_ID_ENVELOPE_YSIZE    10
 498 #define ED_COUNTER_ID_CUSTOM_SCORE      11
 499 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   12
 500 #define ED_COUNTER_ID_PUSH_DELAY_FIX    13
 501 #define ED_COUNTER_ID_PUSH_DELAY_RND    14
 502 #define ED_COUNTER_ID_MOVE_DELAY_FIX    15
 503 #define ED_COUNTER_ID_MOVE_DELAY_RND    16
 504 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  17
 505 #define ED_COUNTER_ID_CHANGE_DELAY_RND  18
 506 #define ED_COUNTER_ID_CHANGE_CONT_RND   19
 507
 508 #define ED_NUM_COUNTERBUTTONS           20
 509
 510 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 511 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 512
 513 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM_SCORE
 514 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_MOVE_DELAY_RND
 515
 516 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 517 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 518
 519 /* values for scrollbutton gadgets */
 520 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 521 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 522 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 523 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 524 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 525 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 526
 527 #define ED_NUM_SCROLLBUTTONS            6
 528
 529 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 530 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 531
 532 /* values for scrollbar gadgets */
 533 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 534 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 535 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 536
 537 #define ED_NUM_SCROLLBARS               3
 538
 539 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 540 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 541
 542 /* values for text input gadgets */
 543 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 544 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 545 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 546
 547 #define ED_NUM_TEXTINPUT                3
 548
 549 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 550 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 551
 552 /* values for text area gadgets */
 553 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 554
 555 #define ED_NUM_TEXTAREAS                        1
 556
 557 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 558 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 559
 560 /* values for selectbox gadgets */
 561 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      0
 562 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     1
 563 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   2
 564 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     3
 565 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   4
 566 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    5
 567 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    6
 568 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    7
 569 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       8
 570 #define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY      9
 571 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       10
 572 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    11
 573 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     12
 574 #define ED_SELECTBOX_ID_CHANGE_SIDES            13
 575 #define ED_SELECTBOX_ID_CHANGE_POWER            14
 576 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      15
 577
 578 #define ED_NUM_SELECTBOX                        16
 579
 580 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 581 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_CONSISTENCY
 582
 583 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 584 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 585
 586 /* values for textbutton gadgets */
 587 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 588 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 589 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 590 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       3
 591 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        4
 592 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        5
 593
 594 #define ED_NUM_TEXTBUTTONS                      6
 595
 596 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 597 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 598
 599 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE
 600 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 601
 602 /* values for graphicbutton gadgets */
 603 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 604 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 605
 606 #define ED_NUM_GRAPHICBUTTONS                   2
 607
 608 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 609 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST    ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE
 610
 611 /* values for checkbutton gadgets */
 612 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 613 #define ED_CHECKBUTTON_ID_GRAVITY               1
 614 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 615 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 616 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 617 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     5
 618 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 6
 619 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       7
 620 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       8
 621 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      9
 622 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       10
 623 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         11
 624 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT 12
 625 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   13
 626 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  14
 627 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 15
 628 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    16
 629 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     17
 630 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          18
 631 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  19
 632 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   20
 633 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  21
 634 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    22
 635 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  23
 636 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     24
 637 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   25
 638
 639 #define ED_NUM_CHECKBUTTONS                     26
 640
 641 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 642 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 643
 644 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE
 645 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 646
 647 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 648 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE
 649
 650 /* values for radiobutton gadgets */
 651 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 652 #define ED_RADIOBUTTON_ID_QUANTITY      1
 653
 654 #define ED_NUM_RADIOBUTTONS             2
 655
 656 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 657 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 658
 659 /* values for drawing area gadgets */
 660 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 661 #define ED_DRAWING_ID_ELEMENT_CONTENT_0         1
 662 #define ED_DRAWING_ID_ELEMENT_CONTENT_1         2
 663 #define ED_DRAWING_ID_ELEMENT_CONTENT_2         3
 664 #define ED_DRAWING_ID_ELEMENT_CONTENT_3         4
 665 #define ED_DRAWING_ID_ELEMENT_CONTENT_4         5
 666 #define ED_DRAWING_ID_ELEMENT_CONTENT_5         6
 667 #define ED_DRAWING_ID_ELEMENT_CONTENT_6         7
 668 #define ED_DRAWING_ID_ELEMENT_CONTENT_7         8
 669 #define ED_DRAWING_ID_AMOEBA_CONTENT            9
 670 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            10
 671 #define ED_DRAWING_ID_CUSTOM_CONTENT            11
 672 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      12
 673 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     13
 674 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     14
 675 #define ED_DRAWING_ID_RANDOM_BACKGROUND         15
 676
 677 #define ED_NUM_DRAWING_AREAS                    16
 678
 679
 680 /*
 681   -----------------------------------------------------------------------------
 682   some internally used definitions
 683   -----------------------------------------------------------------------------
 684 */
 685
 686 /* values for CopyLevelToUndoBuffer() */
 687 #define UNDO_IMMEDIATE                  0
 688 #define UNDO_ACCUMULATE                 1
 689
 690 /* values for scrollbars */
 691 #define ED_SCROLL_NO                    0
 692 #define ED_SCROLL_LEFT                  1
 693 #define ED_SCROLL_RIGHT                 2
 694 #define ED_SCROLL_UP                    4
 695 #define ED_SCROLL_DOWN                  8
 696
 697 /* screens in the level editor */
 698 #define ED_MODE_DRAWING                 0
 699 #define ED_MODE_INFO                    1
 700 #define ED_MODE_PROPERTIES              2
 701
 702 /* sub-screens in the element properties section */
 703 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 704 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 705 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 706
 707 /* how many steps can be cancelled */
 708 #define NUM_UNDO_STEPS                  (10 + 1)
 709
 710 /* values for elements with score for certain actions */
 711 #define MIN_SCORE                       0
 712 #define MAX_SCORE                       255
 713
 714 /* values for elements with count for collecting */
 715 #define MIN_COLLECT_COUNT               0
 716 #define MAX_COLLECT_COUNT               100
 717
 718 /* values for random placement */
 719 #define RANDOM_USE_PERCENTAGE           0
 720 #define RANDOM_USE_QUANTITY             1
 721
 722 /* maximal size of level editor drawing area */
 723 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 724 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 725
 726
 727 /*
 728   -----------------------------------------------------------------------------
 729   some internally used data structure definitions
 730   -----------------------------------------------------------------------------
 731 */
 732
 733 static struct
 734 {
 735   char shortcut;
 736   char *text;
 737 } control_info[ED_NUM_CTRL_BUTTONS] =
 738 {
 739   { 's',        "draw single items"             },
 740   { 'd',        "draw connected items"          },
 741   { 'l',        "draw lines"                    },
 742   { 'a',        "draw arcs"                     },
 743   { 'r',        "draw outline rectangles"       },
 744   { 'R',        "draw filled rectangles"        },
 745   { '\0',       "wrap (rotate) level up"        },
 746   { 't',        "enter text elements"           },
 747   { 'f',        "flood fill"                    },
 748   { '\0',       "wrap (rotate) level left"      },
 749   { '?',        "properties of drawing element" },
 750   { '\0',       "wrap (rotate) level right"     },
 751   { '\0',       "random element placement"      },
 752   { 'b',        "grab brush"                    },
 753   { '\0',       "wrap (rotate) level down"      },
 754   { ',',        "pick drawing element"          },
 755   { 'U',        "undo last operation"           },
 756   { 'I',        "level properties"              },
 757   { 'S',        "save level"                    },
 758   { 'C',        "clear level"                   },
 759   { 'T',        "test level"                    },
 760   { 'E',        "exit level editor"             }
 761 };
 762
 763 static int random_placement_value = 10;
 764 static int random_placement_method = RANDOM_USE_QUANTITY;
 765 static int random_placement_background_element = EL_SAND;
 766 static boolean random_placement_background_restricted = FALSE;
 767 static boolean stick_element_properties_window = FALSE;
 768 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 769 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 770 static struct ElementChangeInfo custom_element_change;
 771 static struct ElementInfo custom_element;
 772
 773 static struct
 774 {
 775   int x, y;
 776   int min_value, max_value;
 777   int gadget_id_down, gadget_id_up;
 778   int gadget_id_text;
 779   int gadget_id_align;
 780   int *value;
 781   char *text_above, *text_left, *text_right;
 782 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 783 {
 784   /* ---------- level and editor settings ---------------------------------- */
 785
 786   {
 787     DX + 5 - SX,                        DY + 3 - SY,
 788     1,                                  100,
 789     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 790     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
 791     &level_nr,
 792     NULL,                               NULL, NULL
 793   },
 794   {
 795     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 796     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 797     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 798     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
 799     &level.fieldx,
 800     "playfield size:",                  NULL, "width",
 801   },
 802   {
 803     -1,                                 ED_COUNTER_YPOS(2),
 804     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 805     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 806     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
 807     &level.fieldy,
 808     NULL,                               " ", "height",
 809   },
 810   {
 811     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 812     0,                                  999,
 813     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
 814     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
 815     &level.gems_needed,
 816     "number of emeralds to collect:",   NULL, NULL
 817   },
 818   {
 819     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 820     0,                                  999,
 821     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 822     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
 823     &level.time,
 824     "time available to solve level:",   NULL, "(0 => no time limit)"
 825   },
 826   {
 827     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 828     0,                                  255,
 829     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 830     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
 831     &level.score[SC_TIME_BONUS],
 832     "score for each 10 seconds left:",  NULL, NULL
 833   },
 834   {
 835     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 836     1,                                  100,
 837     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 838     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
 839     &random_placement_value,
 840     "random element placement:",        NULL, "in"
 841   },
 842
 843   /* ---------- element settings: configure (various elements) ------------- */
 844
 845   {
 846     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 847     MIN_SCORE,                          MAX_SCORE,
 848     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 849     GADGET_ID_ELEMENT_SCORE_TEXT,       GADGET_ID_NONE,
 850     NULL,                               /* will be set when used */
 851     NULL,                               NULL, NULL
 852   },
 853   {
 854     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 855     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 856     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 857     GADGET_ID_ELEMENT_CONTENT_TEXT,     GADGET_ID_NONE,
 858     &level.num_yamyam_contents,
 859     NULL,                               NULL, "number of content areas"
 860   },
 861   {
 862     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 863     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
 864     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
 865     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
 866     NULL,
 867     NULL,                               NULL, "width",
 868   },
 869   {
 870     -1,                                 ED_SETTINGS_YPOS(0),
 871     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
 872     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
 873     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
 874     NULL,
 875     NULL,                               " ", "height",
 876   },
 877
 878   /* ---------- element settings: configure (custom elements) ------------- */
 879
 880   {
 881     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
 882     MIN_SCORE,                          MAX_SCORE,
 883     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
 884     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
 885     &custom_element.collect_score,
 886     NULL,                               "score", " "
 887   },
 888   {
 889     -1,                                 ED_SETTINGS_YPOS(3),
 890     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
 891     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
 892     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
 893     &custom_element.collect_count,
 894     NULL,                               "count", NULL
 895   },
 896   {
 897     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 898     0,                                  999,
 899     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
 900     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 901     &custom_element.push_delay_fixed,
 902     NULL,                               "push delay", NULL
 903   },
 904   {
 905     -1,                                 ED_SETTINGS_YPOS(4),
 906     0,                                  999,
 907     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
 908     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
 909     &custom_element.push_delay_random,
 910     NULL,                               "+random", NULL
 911   },
 912   {
 913     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
 914     0,                                  999,
 915     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
 916     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 917     &custom_element.move_delay_fixed,
 918     NULL,                               "move delay", NULL
 919   },
 920   {
 921     -1,                                 ED_SETTINGS_YPOS(7),
 922     0,                                  999,
 923     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
 924     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
 925     &custom_element.move_delay_random,
 926     NULL,                               "+random", NULL
 927   },
 928
 929   /* ---------- element settings: advanced (custom elements) --------------- */
 930
 931   {
 932     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(3),
 933     0,                                  999,
 934     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 935     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
 936     &custom_element_change.delay_fixed,
 937     NULL,                               "delay", NULL,
 938   },
 939   {
 940     -1,                                 ED_SETTINGS_YPOS(3),
 941     0,                                  999,
 942     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 943     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 944     &custom_element_change.delay_random,
 945     NULL,                               "+random", NULL
 946   },
 947   {
 948     ED_SETTINGS_XPOS(3),                ED_SETTINGS_YPOS(12),
 949     0,                                  100,
 950     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
 951     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
 952     &custom_element_change.random,
 953     NULL,                               "use random replace:", "%"
 954   },
 955 };
 956
 957 static struct
 958 {
 959   int x, y;
 960   int gadget_id;
 961   int size;
 962   char *value;
 963   char *text_above, *infotext;
 964 } textinput_info[ED_NUM_TEXTINPUT] =
 965 {
 966   {
 967     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
 968     GADGET_ID_LEVEL_NAME,
 969     MAX_LEVEL_NAME_LEN,
 970     level.name,
 971     "Title:", "Title"
 972   },
 973   {
 974     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 975     GADGET_ID_LEVEL_AUTHOR,
 976     MAX_LEVEL_AUTHOR_LEN,
 977     level.author,
 978     "Author:", "Author"
 979   },
 980   {
 981     5 * MINI_TILEX,                     5 * MINI_TILEY - ED_BORDER_SIZE,
 982     GADGET_ID_ELEMENT_NAME,
 983     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
 984     custom_element.description,
 985     NULL, "Element name"
 986   }
 987 };
 988
 989 static struct
 990 {
 991   int x, y;
 992   int gadget_id;
 993   int xsize, ysize;
 994   char *value;
 995   char *text_above, *infotext;
 996 } textarea_info[ED_NUM_TEXTAREAS] =
 997 {
 998   {
 999     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1000     GADGET_ID_ENVELOPE_INFO,
1001     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1002     NULL,
1003     "Envelope Info:", "Envelope Info"
1004   }
1005 };
1006
1007 static struct ValueTextInfo options_access_type[] =
1008 {
1009   { EP_WALKABLE,                "walk"                          },
1010   { EP_PASSABLE,                "pass"                          },
1011   { -1,                         NULL                            }
1012 };
1013
1014 static struct ValueTextInfo options_access_layer[] =
1015 {
1016   { EP_ACCESSIBLE_OVER,         "over"                          },
1017   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1018   { EP_ACCESSIBLE_UNDER,        "under"                         },
1019   { -1,                         NULL                            }
1020 };
1021
1022 static struct ValueTextInfo options_walk_to_action[] =
1023 {
1024   { EP_DIGGABLE,                "diggable"                      },
1025   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1026   { EP_DROPPABLE,               "collectible & droppable"       },
1027   { EP_PUSHABLE,                "pushable"                      },
1028   { -1,                         NULL                            }
1029 };
1030
1031 static struct ValueTextInfo options_move_pattern[] =
1032 {
1033   { MV_LEFT,                    "left"                          },
1034   { MV_RIGHT,                   "right"                         },
1035   { MV_UP,                      "up"                            },
1036   { MV_DOWN,                    "down"                          },
1037   { MV_HORIZONTAL,              "horizontal"                    },
1038   { MV_VERTICAL,                "vertical"                      },
1039   { MV_ALL_DIRECTIONS,          "all directions"                },
1040   { MV_TOWARDS_PLAYER,          "towards player"                },
1041   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1042   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1043   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1044   { MV_TURNING_LEFT,            "turning left"                  },
1045   { MV_TURNING_RIGHT,           "turning right"                 },
1046   { MV_WHEN_PUSHED,             "when pushed"                   },
1047   { -1,                         NULL                            }
1048 };
1049
1050 static struct ValueTextInfo options_move_direction[] =
1051 {
1052   { MV_NO_MOVING,               "automatic"                     },
1053   { MV_LEFT,                    "left"                          },
1054   { MV_RIGHT,                   "right"                         },
1055   { MV_UP,                      "up"                            },
1056   { MV_DOWN,                    "down"                          },
1057   { -1,                         NULL                            }
1058 };
1059
1060 static struct ValueTextInfo options_move_stepsize[] =
1061 {
1062   { 1,                          "very slow"                     },
1063   { 2,                          "slow"                          },
1064   { 4,                          "normal"                        },
1065   { 8,                          "fast"                          },
1066   { 16,                         "very fast"                     },
1067   { -1,                         NULL                            }
1068 };
1069
1070 static struct ValueTextInfo options_smash_targets[] =
1071 {
1072   { EP_CAN_SMASH_PLAYER,        "player"                        },
1073 #if 0
1074   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1075 #endif
1076   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1077   { -1,                         NULL                            }
1078 };
1079
1080 static struct ValueTextInfo options_slippery_type[] =
1081 {
1082   { SLIPPERY_ANY_RANDOM,        "random"                        },
1083   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1084   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1085   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1086   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1087   { -1,                         NULL                            }
1088 };
1089
1090 static struct ValueTextInfo options_deadliness[] =
1091 {
1092   { EP_DONT_RUN_INTO,           "running into"                  },
1093   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1094   { EP_DONT_TOUCH,              "touching"                      },
1095   { -1,                         NULL                            }
1096 };
1097
1098 static struct ValueTextInfo options_consistency[] =
1099 {
1100   { EP_CAN_EXPLODE_3X3,         "can explode 3x3"               },
1101   { EP_CAN_EXPLODE_1X1,         "can explode 1x1"               },
1102   { EP_INDESTRUCTIBLE,          "indestructible"                },
1103   { -1,                         NULL                            }
1104 };
1105
1106 static struct ValueTextInfo options_time_units[] =
1107 {
1108   { 1,                          "frames"                        },
1109   { FRAMES_PER_SECOND,          "seconds"                       },
1110   { -1,                         NULL                            }
1111 };
1112
1113 static struct ValueTextInfo options_change_direct_action[] =
1114 {
1115   { CE_TOUCHED_BY_PLAYER,       "touched by player ..."         },
1116   { CE_PRESSED_BY_PLAYER,       "pressed by player ..."         },
1117   { CE_PUSHED_BY_PLAYER,        "pushed by player ..."          },
1118   { CE_ENTERED_BY_PLAYER,       "entered by player ..."         },
1119   { CE_LEFT_BY_PLAYER,          "left by player ..."            },
1120   { CE_DROPPED_BY_PLAYER,       "dropped by player"             },
1121   { CE_SWITCHED,                "switched ..."                  },
1122   { CE_COLLISION,               "collision ..."                 },
1123   { CE_IMPACT,                  "impact"                        },
1124   { CE_SMASHED,                 "smashed"                       },
1125   { -1,                         NULL                            }
1126 };
1127
1128 static struct ValueTextInfo options_change_other_action[] =
1129 {
1130   { CE_OTHER_GETS_TOUCHED,      "player touches ..."            },
1131   { CE_OTHER_GETS_PRESSED,      "player presses ..."            },
1132   { CE_OTHER_GETS_PUSHED,       "player pushes ..."             },
1133   { CE_OTHER_GETS_ENTERED,      "player enters ..."             },
1134   { CE_OTHER_GETS_LEFT,         "player leaves ..."             },
1135   { CE_OTHER_GETS_DIGGED,       "player digs"                   },
1136   { CE_OTHER_GETS_COLLECTED,    "player collects"               },
1137   { CE_OTHER_GETS_DROPPED,      "player drops"                  },
1138   { CE_OTHER_IS_TOUCHING,       "touching ..."                  },
1139   { CE_OTHER_IS_SWITCHING,      "switch of ..."                 },
1140   { CE_OTHER_IS_CHANGING,       "change of"                     },
1141   { CE_OTHER_IS_EXPLODING,      "explosion of"                  },
1142   { -1,                         NULL                            }
1143 };
1144
1145 static struct ValueTextInfo options_change_sides[] =
1146 {
1147   { CH_SIDE_LEFT,               "left side"                     },
1148   { CH_SIDE_RIGHT,              "right side"                    },
1149   { CH_SIDE_TOP,                "top side"                      },
1150   { CH_SIDE_BOTTOM,             "bottom side"                   },
1151   { CH_SIDE_LEFT_RIGHT,         "left/right side"               },
1152   { CH_SIDE_TOP_BOTTOM,         "top/bottom side"               },
1153   { CH_SIDE_ANY,                "all sides"                     },
1154   { -1,                         NULL                            }
1155 };
1156
1157 static struct ValueTextInfo options_change_power[] =
1158 {
1159   { CP_NON_DESTRUCTIVE,         "empty"                         },
1160   { CP_HALF_DESTRUCTIVE,        "diggable"                      },
1161   { CP_FULL_DESTRUCTIVE,        "destructible"                  },
1162   { -1,                         NULL                            }
1163 };
1164
1165 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
1166 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
1167 {
1168   { -1,                         NULL                            }
1169 };
1170
1171 static struct
1172 {
1173   int x, y;
1174   int gadget_id;
1175   int gadget_id_align;
1176   int size;     /* char size of selectbox or '-1' (dynamically determined) */
1177   struct ValueTextInfo *options;
1178   int *value;
1179   char *text_left, *text_right, *infotext;
1180 } selectbox_info[ED_NUM_SELECTBOX] =
1181 {
1182   /* ---------- element settings: configure (custom elements) ------------- */
1183
1184   {
1185     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(1),
1186     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
1187     -1,
1188     options_access_type,
1189     &custom_element.access_type,
1190     "player can", NULL,                 "type of access to this field"
1191   },
1192   {
1193     -1,                                 ED_SETTINGS_YPOS(1),
1194     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
1195     -1,
1196     options_access_layer,
1197     &custom_element.access_layer,
1198     NULL, NULL,                         "layer of access for this field"
1199   },
1200   {
1201     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1202     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
1203     -1,
1204     options_walk_to_action,
1205     &custom_element.walk_to_action,
1206     NULL, NULL,                         "diggable/collectible/pushable"
1207   },
1208   {
1209     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1210     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
1211     -1,
1212     options_move_pattern,
1213     &custom_element.move_pattern,
1214     "can move", NULL,                   "element move direction"
1215   },
1216   {
1217     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1218     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
1219     -1,
1220     options_move_direction,
1221     &custom_element.move_direction_initial,
1222     "starts moving", NULL,              "initial element move direction"
1223   },
1224   {
1225     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1226     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
1227     -1,
1228     options_move_stepsize,
1229     &custom_element.move_stepsize,
1230     "move/fall speed", NULL,            "speed of element movement"
1231   },
1232   {
1233     -1,                                 ED_SETTINGS_YPOS(9),
1234     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
1235     -1,
1236     options_smash_targets,
1237     &custom_element.smash_targets,
1238     "can smash", NULL,                  "elements that can be smashed"
1239   },
1240   {
1241     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(10),
1242     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
1243     -1,
1244     options_slippery_type,
1245     &custom_element.slippery_type,
1246     "slippery", NULL,                   "where other elements fall down"
1247   },
1248   {
1249     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(11),
1250     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
1251     -1,
1252     options_deadliness,
1253     &custom_element.deadliness,
1254     "deadly when", NULL,                "deadliness of element"
1255   },
1256   {
1257     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(12),
1258     GADGET_ID_CUSTOM_CONSISTENCY,       GADGET_ID_NONE,
1259     -1,
1260     options_consistency,
1261     &custom_element.consistency,
1262     NULL, NULL,                         "consistency/destructibility"
1263   },
1264
1265   /* ---------- element settings: advanced (custom elements) --------------- */
1266
1267   {
1268     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
1269     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
1270     -1,
1271     options_time_units,
1272     &custom_element_change.delay_frames,
1273     "delay time given in", NULL,        "delay time units for change"
1274   },
1275   {
1276     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(5),
1277     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
1278     -1,
1279     options_change_direct_action,
1280     &custom_element_change.direct_action,
1281     NULL, NULL,                         "type of direct action"
1282   },
1283   {
1284     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(6),
1285     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
1286     -1,
1287     options_change_other_action,
1288     &custom_element_change.other_action,
1289     NULL, "element:",                   "type of other element action"
1290   },
1291   {
1292     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(7),
1293     GADGET_ID_CHANGE_SIDES,             GADGET_ID_NONE,
1294     -1,
1295     options_change_sides,
1296     &custom_element_change.sides,
1297     "... at", NULL,                     "element side that causes change"
1298   },
1299   {
1300     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(10),
1301     GADGET_ID_CHANGE_POWER,             GADGET_ID_NONE,
1302     -1,
1303     options_change_power,
1304     &custom_element_change.power,
1305     "replace when", NULL,               "which elements can be replaced"
1306   },
1307   {
1308     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(14),
1309     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
1310     3,
1311     options_change_page,
1312     &custom_element.current_change_page,
1313     NULL, NULL,                         "element config page"
1314   },
1315 };
1316
1317 static struct
1318 {
1319   int x, y;
1320   int gadget_id;
1321   int gadget_id_align;
1322   int size;
1323   char *text;
1324   char *text_left, *text_right, *infotext;
1325 } textbutton_info[ED_NUM_TEXTBUTTONS] =
1326 {
1327   {
1328     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1329     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
1330     11,                                 "Information",
1331     NULL, NULL,                         "Show information about element"
1332   },
1333   {
1334     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
1335     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
1336     11,                                 "Configure",
1337     NULL, NULL,                         "Configure element properties"
1338   },
1339   {
1340     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
1341     GADGET_ID_PROPERTIES_ADVANCED,      GADGET_ID_NONE,
1342     11,                                 "Advanced",
1343     NULL, NULL,                         "Advanced element configuration"
1344   },
1345   {
1346     -1,                                 ED_SETTINGS_YPOS(13),
1347     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
1348     -1,                                 "Save as template",
1349     " ", NULL,                          "Save current settings as new template"
1350   },
1351   {
1352     -1,                                 ED_SETTINGS_YPOS(14),
1353     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_NEXT_CHANGE_PAGE,
1354     -1,                                 "New",
1355     " ", NULL,                          "Add new config page"
1356   },
1357   {
1358     -1,                                 ED_SETTINGS_YPOS(14),
1359     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
1360     -1,                                 "Delete",
1361     NULL, NULL,                         "Delete current config page"
1362   },
1363 };
1364
1365 static struct
1366 {
1367   int gd_x, gd_y;
1368   int x, y;
1369   int width, height;
1370   int gadget_id;
1371   int gadget_id_align;
1372   char *text_left, *text_right, *infotext;
1373 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
1374 {
1375   {
1376     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
1377     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(14),
1378     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1379     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
1380     NULL, NULL,                         "select previous config page"
1381   },
1382   {
1383     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
1384     -1,                                 ED_SETTINGS_YPOS(14),
1385     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1386     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
1387     NULL, "config page",                "select next config page"
1388   },
1389 };
1390
1391 static struct
1392 {
1393   int gd_x, gd_y;
1394   int x, y;
1395   int gadget_id;
1396   char *infotext;
1397 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
1398 {
1399   {
1400     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
1401     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
1402     GADGET_ID_SCROLL_UP,
1403     "scroll level editing area up"
1404   },
1405   {
1406     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
1407     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
1408     GADGET_ID_SCROLL_DOWN,
1409     "scroll level editing area down"
1410   },
1411   {
1412     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
1413     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
1414     GADGET_ID_SCROLL_LEFT,
1415     "scroll level editing area left"
1416   },
1417   {
1418     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1419     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1420     GADGET_ID_SCROLL_RIGHT,
1421     "scroll level editing area right"
1422   },
1423   {
1424     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1425     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1426     GADGET_ID_SCROLL_LIST_UP,
1427     "scroll element list up ('Page Up')"
1428   },
1429   {
1430     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1431     ED_SCROLL2_DOWN_XPOS,   ED_SCROLL2_DOWN_YPOS,
1432     GADGET_ID_SCROLL_LIST_DOWN,
1433     "scroll element list down ('Page Down')"
1434   },
1435 };
1436
1437 static struct
1438 {
1439   int gd_x, gd_y;
1440   int x, y;
1441   int width, height;
1442   int type;
1443   int gadget_id;
1444   char *infotext;
1445 } scrollbar_info[ED_NUM_SCROLLBARS] =
1446 {
1447   {
1448     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1449     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1450     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1451     GD_TYPE_SCROLLBAR_HORIZONTAL,
1452     GADGET_ID_SCROLL_HORIZONTAL,
1453     "scroll level editing area horizontally"
1454   },
1455   {
1456     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1457     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1458     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1459     GD_TYPE_SCROLLBAR_VERTICAL,
1460     GADGET_ID_SCROLL_VERTICAL,
1461     "scroll level editing area vertically"
1462   },
1463   {
1464     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1465     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1466     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1467     GD_TYPE_SCROLLBAR_VERTICAL,
1468     GADGET_ID_SCROLL_LIST_VERTICAL,
1469     "scroll element list vertically"
1470   }
1471 };
1472
1473 static struct
1474 {
1475   int x, y;
1476   int gadget_id;
1477   int gadget_id_align;
1478   int radio_button_nr;
1479   int *value;
1480   int checked_value;
1481   char *text_left, *text_right, *infotext;
1482 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1483 {
1484   {
1485     -1,                                 ED_COUNTER2_YPOS(8),
1486     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
1487     RADIO_NR_RANDOM_ELEMENTS,
1488     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1489     " ", "percentage",                  "use percentage for random elements"
1490   },
1491   {
1492     -1,                                 ED_COUNTER2_YPOS(8),
1493     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
1494     RADIO_NR_RANDOM_ELEMENTS,
1495     &random_placement_method,           RANDOM_USE_QUANTITY,
1496     " ", "quantity",                    "use quantity for random elements"
1497   }
1498 };
1499
1500 static struct
1501 {
1502   int x, y;
1503   int gadget_id;
1504   int gadget_id_align;
1505   boolean *value;
1506   char *text_left, *text_right, *infotext;
1507 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1508 {
1509   /* ---------- level and editor settings ---------------------------------- */
1510
1511   {
1512     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1513     GADGET_ID_DOUBLE_SPEED,             GADGET_ID_NONE,
1514     &level.double_speed,
1515     NULL, "double speed movement",      "set movement speed of player"
1516   },
1517   {
1518     -1,                                 ED_COUNTER_YPOS(6) - MINI_TILEY,
1519     GADGET_ID_GRAVITY,                  GADGET_ID_DOUBLE_SPEED,
1520     &level.initial_gravity,
1521     " ", "gravity",                     "set level gravity"
1522   },
1523   {
1524     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1525     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
1526     &random_placement_background_restricted,
1527     NULL,
1528     "restrict random placement to:",    "set random placement restriction"
1529   },
1530
1531   /* ---------- element settings: configure (various elements) ------------- */
1532
1533   {
1534     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
1535     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
1536     &stick_element_properties_window,
1537     NULL,
1538     "stick this screen to edit content","stick this screen to edit content"
1539   },
1540   {
1541     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1542     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
1543     &level.em_slippery_gems,
1544     NULL,
1545     "slip down from certain flat walls","use EM style slipping behaviour"
1546   },
1547
1548   /* ---------- element settings: configure (custom elements) ------------- */
1549
1550   {
1551     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1552     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
1553     &custom_element_properties[EP_ACCESSIBLE],
1554     NULL, NULL,                         "player can walk to or pass this field"
1555   },
1556   {
1557     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1558     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
1559     &custom_element_properties[EP_WALK_TO_OBJECT],
1560     NULL, NULL,                         "player can dig/collect/push element"
1561   },
1562   {
1563     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1564     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
1565     &custom_element_properties[EP_CAN_MOVE],
1566     NULL, NULL,                         "element can move in some direction"
1567   },
1568   {
1569     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(9),
1570     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
1571     &custom_element_properties[EP_CAN_FALL],
1572     NULL, "can fall",                   "element can fall down"
1573   },
1574   {
1575     -1,                                 ED_SETTINGS_YPOS(9),
1576     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
1577     &custom_element_properties[EP_CAN_SMASH],
1578     " ", NULL,                          "element can smash other elements"
1579   },
1580   {
1581     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1582     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
1583     &custom_element_properties[EP_SLIPPERY],
1584     NULL, NULL,                         "other elements can fall down from it"
1585   },
1586   {
1587     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(11),
1588     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
1589     &custom_element_properties[EP_DEADLY],
1590     NULL, NULL,                         "element can kill the player"
1591   },
1592   {
1593     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1594     GADGET_ID_CUSTOM_EXPLODE_RESULT,    GADGET_ID_NONE,
1595     &custom_element_properties[EP_EXPLODE_RESULT],
1596     NULL, NULL,                         "set consistency/destructibility"
1597   },
1598   {
1599     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(13),
1600     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
1601     &custom_element.can_explode_by_fire,
1602     NULL, "by fire",                    "element can explode by fire/explosion"
1603   },
1604   {
1605     -1,                                 ED_SETTINGS_YPOS(13),
1606     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
1607     &custom_element.can_explode_smashed,
1608     " ", "smashed",                     "element can explode when smashed"
1609   },
1610   {
1611     -1,                                 ED_SETTINGS_YPOS(13),
1612     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
1613     &custom_element.can_explode_impact,
1614     " ", "impact",                      "element can explode on impact"
1615   },
1616
1617   /* ---------- element settings: advanced (custom elements) --------------- */
1618
1619   {
1620     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1621     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
1622     &custom_element.use_gfx_element,
1623     NULL, "use graphic of element:",    "use graphic for custom element"
1624   },
1625   {
1626     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1627     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
1628     &custom_element_change.can_change,
1629     NULL, "element changes to:",        "element can change to other element"
1630   },
1631   {
1632     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1633     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
1634     &custom_element_change_events[CE_DELAY],
1635     NULL, NULL,                         "element changes after delay"
1636   },
1637   {
1638     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1639     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
1640     &custom_element_change_events[CE_BY_DIRECT_ACTION],
1641     NULL, NULL,                         "element changes by direct action"
1642   },
1643   {
1644     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1645     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
1646     &custom_element_change_events[CE_BY_OTHER_ACTION],
1647     NULL, NULL,                         "element changes by other element"
1648   },
1649   {
1650     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1651     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
1652     &custom_element_change.explode,
1653     NULL, "explode instead of change",  "element explodes instead of change"
1654   },
1655   {
1656     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
1657     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
1658     &custom_element_change.use_content,
1659     NULL, "use extended change target:","element changes to more elements"
1660   },
1661   {
1662     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(11),
1663     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
1664     &custom_element_change.only_complete,
1665     NULL, "replace all or nothing",     "only replace when all can be changed"
1666   },
1667   {
1668     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(12),
1669     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
1670     &custom_element_change.use_random_change,
1671     NULL, NULL,                         "use percentage for random replace"
1672   },
1673   {
1674     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(13),
1675     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
1676     &level.use_custom_template,
1677     NULL, "use template",               "use template for custom properties"
1678   },
1679 };
1680
1681 static struct
1682 {
1683   int x, y;
1684   int area_xsize, area_ysize;
1685   int gadget_id;
1686   int gadget_id_align;
1687   char *text_left, *text_right, *text_below;
1688 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
1689 {
1690   /* ---------- level playfield content ------------------------------------ */
1691
1692   {
1693     0, 0,
1694     MAX_ED_FIELDX, MAX_ED_FIELDY,
1695     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
1696     NULL, NULL,                         NULL
1697   },
1698
1699   /* ---------- yam yam content -------------------------------------------- */
1700
1701   {
1702     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
1703     3, 3,
1704     GADGET_ID_ELEMENT_CONTENT_0,        GADGET_ID_NONE,
1705     NULL, NULL,                         "1"
1706   },
1707   {
1708     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
1709     3, 3,
1710     GADGET_ID_ELEMENT_CONTENT_1,        GADGET_ID_NONE,
1711     NULL, NULL,                         "2"
1712   },
1713   {
1714     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
1715     3, 3,
1716     GADGET_ID_ELEMENT_CONTENT_2,        GADGET_ID_NONE,
1717     NULL, NULL,                         "3"
1718   },
1719   {
1720     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
1721     3, 3,
1722     GADGET_ID_ELEMENT_CONTENT_3,        GADGET_ID_NONE,
1723     NULL, NULL,                         "4"
1724   },
1725   {
1726     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
1727     3, 3,
1728     GADGET_ID_ELEMENT_CONTENT_4,        GADGET_ID_NONE,
1729     NULL, NULL,                         "5"
1730   },
1731   {
1732     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
1733     3, 3,
1734     GADGET_ID_ELEMENT_CONTENT_5,        GADGET_ID_NONE,
1735     NULL, NULL,                         "6"
1736   },
1737   {
1738     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
1739     3, 3,
1740     GADGET_ID_ELEMENT_CONTENT_6,        GADGET_ID_NONE,
1741     NULL, NULL,                         "7"
1742   },
1743   {
1744     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
1745     3, 3,
1746     GADGET_ID_ELEMENT_CONTENT_7,        GADGET_ID_NONE,
1747     NULL, NULL,                         "8"
1748   },
1749
1750   /* ---------- amoeba content --------------------------------------------- */
1751
1752   {
1753     ED_AREA_ELEM_CONTENT_XPOS,          ED_AREA_ELEM_CONTENT_YPOS,
1754     1, 1,
1755     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
1756     NULL, "content of amoeba",          NULL
1757   },
1758
1759   /* ---------- custom graphic --------------------------------------------- */
1760
1761   {
1762     -1,                                 ED_AREA_ELEM_CONTENT3_YPOS,
1763     1, 1,
1764     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
1765     NULL, NULL,                         NULL
1766   },
1767
1768   /* ---------- custom content (when exploding) ---------------------------- */
1769
1770   {
1771     ED_AREA_ELEM_CONTENT4_XPOS,         ED_AREA_ELEM_CONTENT4_YPOS,
1772     3, 3,
1773     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
1774     "content:", NULL,                   NULL
1775   },
1776
1777   /* ---------- custom change target --------------------------------------- */
1778
1779   {
1780     -1,                                 ED_AREA_ELEM_CONTENT2_YPOS,
1781     1, 1,
1782     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
1783     NULL, "after/when:",                NULL
1784   },
1785
1786   /* ---------- custom change content (extended change target) ------------- */
1787
1788   {
1789     ED_AREA_ELEM_CONTENT6_XPOS,         ED_AREA_ELEM_CONTENT6_YPOS,
1790     3, 3,
1791     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
1792     NULL, NULL,                         NULL
1793   },
1794
1795   /* ---------- custom change trigger (element causing change) ------------- */
1796
1797   {
1798     -1,                                 ED_AREA_ELEM_CONTENT5_YPOS,
1799     1, 1,
1800     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
1801     NULL, NULL,                         NULL
1802   },
1803
1804   /* ---------- random background (for random painting) -------------------- */
1805
1806   {
1807     -1,                                 ED_AREA_RANDOM_BACKGROUND_YPOS,
1808     1, 1,
1809     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
1810     NULL, NULL,                         NULL
1811   },
1812 };
1813
1814
1815 /*
1816   -----------------------------------------------------------------------------
1817   some internally used variables
1818   -----------------------------------------------------------------------------
1819 */
1820
1821 /* actual size of level editor drawing area */
1822 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1823
1824 /* actual position of level editor drawing area in level playfield */
1825 static int level_xpos = -1, level_ypos = -1;
1826
1827 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1828
1829 /* drawing elements on the three mouse buttons */
1830 static int new_element1 = EL_WALL;
1831 static int new_element2 = EL_EMPTY;
1832 static int new_element3 = EL_SAND;
1833
1834 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1835                                 (button) == 2 ? new_element2 : \
1836                                 (button) == 3 ? new_element3 : EL_EMPTY)
1837 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1838
1839 /* forward declaration for internal use */
1840 static void ModifyEditorCounter(int, int);
1841 static void ModifyEditorCounterLimits(int, int, int);
1842 static void ModifyEditorSelectbox(int, int);
1843 static void ModifyEditorElementList();
1844 static void RedrawDrawingElements();
1845 static void DrawDrawingWindow();
1846 static void DrawLevelInfoWindow();
1847 static void DrawPropertiesWindow();
1848 static boolean checkPropertiesConfig();
1849 static void CopyLevelToUndoBuffer(int);
1850 static void HandleDrawingAreas(struct GadgetInfo *);
1851 static void HandleCounterButtons(struct GadgetInfo *);
1852 static void HandleTextInputGadgets(struct GadgetInfo *);
1853 static void HandleTextAreaGadgets(struct GadgetInfo *);
1854 static void HandleSelectboxGadgets(struct GadgetInfo *);
1855 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1856 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
1857 static void HandleRadiobuttons(struct GadgetInfo *);
1858 static void HandleCheckbuttons(struct GadgetInfo *);
1859 static void HandleControlButtons(struct GadgetInfo *);
1860 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1861
1862 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1863 static int right_gadget_border[NUM_EDITOR_GADGETS];
1864
1865 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1866 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1867 static boolean draw_with_brush = FALSE;
1868 static int properties_element = 0;
1869
1870 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1871 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1872 static int undo_buffer_position = 0;
1873 static int undo_buffer_steps = 0;
1874
1875 static int edit_mode;
1876 static int edit_mode_properties;
1877
1878 static int element_shift = 0;
1879
1880 static int editor_hl_boulderdash[] =
1881 {
1882   EL_CHAR('B'),
1883   EL_CHAR('O'),
1884   EL_CHAR('U'),
1885   EL_CHAR('L'),
1886
1887   EL_CHAR('-'),
1888   EL_CHAR('D'),
1889   EL_CHAR('E'),
1890   EL_CHAR('R'),
1891
1892   EL_CHAR('D'),
1893   EL_CHAR('A'),
1894   EL_CHAR('S'),
1895   EL_CHAR('H'),
1896 };
1897
1898 static int editor_el_boulderdash[] =
1899 {
1900   EL_PLAYER_1,
1901   EL_EMPTY,
1902   EL_SAND,
1903   EL_STEELWALL,
1904
1905   EL_BD_WALL,
1906   EL_BD_MAGIC_WALL,
1907   EL_EXIT_CLOSED,
1908   EL_EXIT_OPEN,
1909
1910   EL_BD_DIAMOND,
1911   EL_BD_BUTTERFLY_UP,
1912   EL_BD_FIREFLY_UP,
1913   EL_BD_ROCK,
1914
1915   EL_BD_BUTTERFLY_LEFT,
1916   EL_BD_FIREFLY_LEFT,
1917   EL_BD_BUTTERFLY_RIGHT,
1918   EL_BD_FIREFLY_RIGHT,
1919
1920   EL_BD_AMOEBA,
1921   EL_BD_BUTTERFLY_DOWN,
1922   EL_BD_FIREFLY_DOWN,
1923   EL_EMPTY,
1924 };
1925 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
1926 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1927
1928 static int editor_hl_emerald_mine[] =
1929 {
1930   EL_CHAR('E'),
1931   EL_CHAR('M'),
1932   EL_CHAR('E'),
1933   EL_CHAR('-'),
1934
1935   EL_CHAR('R'),
1936   EL_CHAR('A'),
1937   EL_CHAR('L'),
1938   EL_CHAR('D'),
1939
1940   EL_CHAR('M'),
1941   EL_CHAR('I'),
1942   EL_CHAR('N'),
1943   EL_CHAR('E'),
1944 };
1945
1946 static int editor_el_emerald_mine[] =
1947 {
1948   EL_PLAYER_1,
1949   EL_PLAYER_2,
1950   EL_PLAYER_3,
1951   EL_PLAYER_4,
1952
1953   EL_PLAYER_1,
1954   EL_EMPTY,
1955   EL_SAND,
1956   EL_ROCK,
1957
1958   EL_STEELWALL,
1959   EL_WALL,
1960   EL_WALL_SLIPPERY,
1961   EL_MAGIC_WALL,
1962
1963   EL_EMERALD,
1964   EL_DIAMOND,
1965   EL_NUT,
1966   EL_BOMB,
1967
1968   EL_WALL_EMERALD,
1969   EL_WALL_DIAMOND,
1970   EL_QUICKSAND_EMPTY,
1971   EL_QUICKSAND_FULL,
1972
1973   EL_DYNAMITE,
1974   EL_DYNAMITE_ACTIVE,
1975   EL_EXIT_CLOSED,
1976   EL_EXIT_OPEN,
1977
1978   EL_YAMYAM,
1979   EL_BUG_UP,
1980   EL_SPACESHIP_UP,
1981   EL_ROBOT,
1982
1983   EL_BUG_LEFT,
1984   EL_SPACESHIP_LEFT,
1985   EL_BUG_RIGHT,
1986   EL_SPACESHIP_RIGHT,
1987
1988   EL_ROBOT_WHEEL,
1989   EL_BUG_DOWN,
1990   EL_SPACESHIP_DOWN,
1991   EL_INVISIBLE_WALL,
1992
1993   EL_ACID_POOL_TOPLEFT,
1994   EL_ACID,
1995   EL_ACID_POOL_TOPRIGHT,
1996   EL_EMPTY,
1997
1998   EL_ACID_POOL_BOTTOMLEFT,
1999   EL_ACID_POOL_BOTTOM,
2000   EL_ACID_POOL_BOTTOMRIGHT,
2001   EL_EMPTY,
2002
2003   EL_AMOEBA_DROP,
2004   EL_AMOEBA_DEAD,
2005   EL_AMOEBA_WET,
2006   EL_AMOEBA_DRY,
2007
2008 #if 1
2009   EL_EM_KEY_1,
2010   EL_EM_KEY_2,
2011   EL_EM_KEY_3,
2012   EL_EM_KEY_4,
2013 #else
2014   EL_EM_KEY_1_FILE,
2015   EL_EM_KEY_2_FILE,
2016   EL_EM_KEY_3_FILE,
2017   EL_EM_KEY_4_FILE,
2018 #endif
2019
2020   EL_EM_GATE_1,
2021   EL_EM_GATE_2,
2022   EL_EM_GATE_3,
2023   EL_EM_GATE_4,
2024
2025   EL_EM_GATE_1_GRAY,
2026   EL_EM_GATE_2_GRAY,
2027   EL_EM_GATE_3_GRAY,
2028   EL_EM_GATE_4_GRAY,
2029 };
2030 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
2031 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
2032
2033 static int editor_hl_more[] =
2034 {
2035   EL_CHAR('M'),
2036   EL_CHAR('O'),
2037   EL_CHAR('R'),
2038   EL_CHAR('E'),
2039 };
2040
2041 static int editor_el_more[] =
2042 {
2043   EL_KEY_1,
2044   EL_KEY_2,
2045   EL_KEY_3,
2046   EL_KEY_4,
2047
2048   EL_GATE_1,
2049   EL_GATE_2,
2050   EL_GATE_3,
2051   EL_GATE_4,
2052
2053   EL_GATE_1_GRAY,
2054   EL_GATE_2_GRAY,
2055   EL_GATE_3_GRAY,
2056   EL_GATE_4_GRAY,
2057
2058   EL_ARROW_LEFT,
2059   EL_ARROW_RIGHT,
2060   EL_ARROW_UP,
2061   EL_ARROW_DOWN,
2062
2063   EL_AMOEBA_FULL,
2064   EL_EMERALD_YELLOW,
2065   EL_EMERALD_RED,
2066   EL_EMERALD_PURPLE,
2067
2068   EL_WALL_BD_DIAMOND,
2069   EL_WALL_EMERALD_YELLOW,
2070   EL_WALL_EMERALD_RED,
2071   EL_WALL_EMERALD_PURPLE,
2072
2073   EL_GAME_OF_LIFE,
2074   EL_PACMAN_UP,
2075   EL_TIME_ORB_FULL,
2076   EL_TIME_ORB_EMPTY,
2077
2078   EL_PACMAN_LEFT,
2079   EL_DARK_YAMYAM,
2080   EL_PACMAN_RIGHT,
2081   EL_EXPANDABLE_WALL,
2082
2083   EL_BIOMAZE,
2084   EL_PACMAN_DOWN,
2085   EL_LAMP,
2086   EL_LAMP_ACTIVE,
2087
2088   EL_DYNABOMB_INCREASE_NUMBER,
2089   EL_DYNABOMB_INCREASE_SIZE,
2090   EL_DYNABOMB_INCREASE_POWER,
2091   EL_STONEBLOCK,
2092
2093   EL_MOLE,
2094   EL_PENGUIN,
2095   EL_PIG,
2096   EL_DRAGON,
2097
2098   EL_BUG,
2099   EL_MOLE_UP,
2100   EL_BD_BUTTERFLY,
2101   EL_BD_FIREFLY,
2102
2103   EL_MOLE_LEFT,
2104   EL_EMPTY,
2105   EL_MOLE_RIGHT,
2106   EL_PACMAN,
2107
2108   EL_SPACESHIP,
2109   EL_MOLE_DOWN,
2110   EL_BALLOON,
2111   EL_BALLOON_SWITCH_ANY,
2112
2113   EL_BALLOON_SWITCH_LEFT,
2114   EL_BALLOON_SWITCH_RIGHT,
2115   EL_BALLOON_SWITCH_UP,
2116   EL_BALLOON_SWITCH_DOWN,
2117
2118   EL_SATELLITE,
2119   EL_EXPANDABLE_WALL_HORIZONTAL,
2120   EL_EXPANDABLE_WALL_VERTICAL,
2121   EL_EXPANDABLE_WALL_ANY,
2122
2123   EL_INVISIBLE_STEELWALL,
2124   EL_INVISIBLE_WALL,
2125   EL_SPEED_PILL,
2126   EL_BLACK_ORB,
2127
2128   EL_EMC_STEELWALL_1,
2129   EL_EMC_WALL_1,
2130   EL_EMC_WALL_2,
2131   EL_EMC_WALL_3,
2132
2133   EL_EMC_WALL_4,
2134   EL_EMC_WALL_5,
2135   EL_EMC_WALL_6,
2136   EL_EMC_WALL_7,
2137 };
2138 static int num_editor_hl_more = SIZEOF_ARRAY_INT(editor_hl_more);
2139 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
2140
2141 static int editor_hl_sokoban[] =
2142 {
2143   EL_CHAR('S'),
2144   EL_CHAR('O'),
2145   EL_CHAR('K'),
2146   EL_CHAR('O'),
2147
2148   EL_CHAR('-'),
2149   EL_CHAR('B'),
2150   EL_CHAR('A'),
2151   EL_CHAR('N'),
2152 };
2153
2154 static int editor_el_sokoban[] =
2155 {
2156   EL_SOKOBAN_OBJECT,
2157   EL_SOKOBAN_FIELD_EMPTY,
2158   EL_SOKOBAN_FIELD_FULL,
2159   EL_STEELWALL,
2160 };
2161 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
2162 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
2163
2164 static int editor_hl_supaplex[] =
2165 {
2166   EL_CHAR('S'),
2167   EL_CHAR('U'),
2168   EL_CHAR('P'),
2169   EL_CHAR('A'),
2170
2171   EL_CHAR('P'),
2172   EL_CHAR('L'),
2173   EL_CHAR('E'),
2174   EL_CHAR('X'),
2175 };
2176
2177 static int editor_el_supaplex[] =
2178 {
2179 #if 1
2180   EL_EMPTY,
2181 #else
2182   EL_SP_EMPTY,
2183 #endif
2184   EL_SP_ZONK,
2185   EL_SP_BASE,
2186   EL_SP_MURPHY,
2187
2188   EL_SP_INFOTRON,
2189   EL_SP_CHIP_SINGLE,
2190   EL_SP_HARDWARE_GRAY,
2191   EL_SP_EXIT_CLOSED,
2192
2193   EL_SP_DISK_ORANGE,
2194   EL_SP_PORT_RIGHT,
2195   EL_SP_PORT_DOWN,
2196   EL_SP_PORT_LEFT,
2197
2198   EL_SP_PORT_UP,
2199   EL_SP_GRAVITY_PORT_RIGHT,
2200   EL_SP_GRAVITY_PORT_DOWN,
2201   EL_SP_GRAVITY_PORT_LEFT,
2202
2203   EL_SP_GRAVITY_PORT_UP,
2204   EL_SP_SNIKSNAK,
2205   EL_SP_DISK_YELLOW,
2206   EL_SP_TERMINAL,
2207
2208   EL_SP_DISK_RED,
2209   EL_SP_PORT_VERTICAL,
2210   EL_SP_PORT_HORIZONTAL,
2211   EL_SP_PORT_ANY,
2212
2213   EL_SP_ELECTRON,
2214   EL_SP_BUGGY_BASE,
2215   EL_SP_CHIP_LEFT,
2216   EL_SP_CHIP_RIGHT,
2217
2218   EL_SP_HARDWARE_BASE_1,
2219   EL_SP_HARDWARE_GREEN,
2220   EL_SP_HARDWARE_BLUE,
2221   EL_SP_HARDWARE_RED,
2222
2223   EL_SP_HARDWARE_YELLOW,
2224   EL_SP_HARDWARE_BASE_2,
2225   EL_SP_HARDWARE_BASE_3,
2226   EL_SP_HARDWARE_BASE_4,
2227
2228   EL_SP_HARDWARE_BASE_5,
2229   EL_SP_HARDWARE_BASE_6,
2230   EL_SP_CHIP_TOP,
2231   EL_SP_CHIP_BOTTOM,
2232 };
2233 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
2234 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
2235
2236 static int editor_hl_diamond_caves[] =
2237 {
2238   EL_CHAR('D'),
2239   EL_CHAR('I'),
2240   EL_CHAR('A'),
2241   EL_CHAR('-'),
2242
2243   EL_CHAR('M'),
2244   EL_CHAR('O'),
2245   EL_CHAR('N'),
2246   EL_CHAR('D'),
2247
2248   EL_CHAR('C'),
2249   EL_CHAR('A'),
2250   EL_CHAR('V'),
2251   EL_CHAR('E'),
2252
2253   EL_CHAR('S'),
2254   EL_CHAR(' '),
2255   EL_CHAR('I'),
2256   EL_CHAR('I'),
2257 };
2258
2259 static int editor_el_diamond_caves[] =
2260 {
2261   EL_PEARL,
2262   EL_CRYSTAL,
2263   EL_WALL_PEARL,
2264   EL_WALL_CRYSTAL,
2265
2266   EL_CONVEYOR_BELT_1_LEFT,
2267   EL_CONVEYOR_BELT_1_MIDDLE,
2268   EL_CONVEYOR_BELT_1_RIGHT,
2269   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2270
2271   EL_CONVEYOR_BELT_2_LEFT,
2272   EL_CONVEYOR_BELT_2_MIDDLE,
2273   EL_CONVEYOR_BELT_2_RIGHT,
2274   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2275
2276   EL_CONVEYOR_BELT_3_LEFT,
2277   EL_CONVEYOR_BELT_3_MIDDLE,
2278   EL_CONVEYOR_BELT_3_RIGHT,
2279   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2280
2281   EL_CONVEYOR_BELT_4_LEFT,
2282   EL_CONVEYOR_BELT_4_MIDDLE,
2283   EL_CONVEYOR_BELT_4_RIGHT,
2284   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2285
2286   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2287   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2288   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2289   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2290
2291   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2292   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2293   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2294   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2295
2296   EL_SWITCHGATE_OPEN,
2297   EL_SWITCHGATE_CLOSED,
2298   EL_SWITCHGATE_SWITCH_UP,
2299   EL_EMPTY,
2300
2301   EL_ENVELOPE_1,
2302   EL_ENVELOPE_2,
2303   EL_ENVELOPE_3,
2304   EL_ENVELOPE_4,
2305
2306   EL_TIMEGATE_CLOSED,
2307   EL_TIMEGATE_OPEN,
2308   EL_TIMEGATE_SWITCH,
2309   EL_EMPTY,
2310
2311   EL_LANDMINE,
2312   EL_INVISIBLE_SAND,
2313   EL_STEELWALL_SLIPPERY,
2314   EL_EMPTY,
2315
2316   EL_SIGN_EXCLAMATION,
2317   EL_SIGN_STOP,
2318   EL_LIGHT_SWITCH,
2319   EL_LIGHT_SWITCH_ACTIVE,
2320
2321   EL_SHIELD_NORMAL,
2322   EL_SHIELD_DEADLY,
2323   EL_EXTRA_TIME,
2324   EL_EMPTY,
2325 };
2326 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
2327 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
2328
2329 static int editor_hl_dx_boulderdash[] =
2330 {
2331   EL_CHAR('D'),
2332   EL_CHAR('X'),
2333   EL_CHAR('-'),
2334   EL_CHAR(' '),
2335
2336   EL_CHAR('B'),
2337   EL_CHAR('O'),
2338   EL_CHAR('U'),
2339   EL_CHAR('L'),
2340
2341   EL_CHAR('-'),
2342   EL_CHAR('D'),
2343   EL_CHAR('E'),
2344   EL_CHAR('R'),
2345
2346   EL_CHAR('D'),
2347   EL_CHAR('A'),
2348   EL_CHAR('S'),
2349   EL_CHAR('H'),
2350 };
2351
2352 static int editor_el_dx_boulderdash[] =
2353 {
2354   EL_SPRING,
2355   EL_TUBE_RIGHT_DOWN,
2356   EL_TUBE_HORIZONTAL_DOWN,
2357   EL_TUBE_LEFT_DOWN,
2358
2359   EL_TUBE_HORIZONTAL,
2360   EL_TUBE_VERTICAL_RIGHT,
2361   EL_TUBE_ANY,
2362   EL_TUBE_VERTICAL_LEFT,
2363
2364   EL_TUBE_VERTICAL,
2365   EL_TUBE_RIGHT_UP,
2366   EL_TUBE_HORIZONTAL_UP,
2367   EL_TUBE_LEFT_UP,
2368
2369   EL_TRAP,
2370   EL_DX_SUPABOMB,
2371   EL_EMPTY,
2372   EL_EMPTY
2373 };
2374 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
2375 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
2376
2377 static int editor_hl_chars[] =
2378 {
2379   EL_CHAR('T'),
2380   EL_CHAR('E'),
2381   EL_CHAR('X'),
2382   EL_CHAR('T'),
2383 };
2384
2385 static int editor_el_chars[] =
2386 {
2387   EL_CHAR(' '),
2388   EL_CHAR('!'),
2389   EL_CHAR('"'),
2390   EL_CHAR('#'),
2391
2392   EL_CHAR('$'),
2393   EL_CHAR('%'),
2394   EL_CHAR('&'),
2395   EL_CHAR('\''),
2396
2397   EL_CHAR('('),
2398   EL_CHAR(')'),
2399   EL_CHAR('*'),
2400   EL_CHAR('+'),
2401
2402   EL_CHAR(','),
2403   EL_CHAR('-'),
2404   EL_CHAR('.'),
2405   EL_CHAR('/'),
2406
2407   EL_CHAR('0'),
2408   EL_CHAR('1'),
2409   EL_CHAR('2'),
2410   EL_CHAR('3'),
2411
2412   EL_CHAR('4'),
2413   EL_CHAR('5'),
2414   EL_CHAR('6'),
2415   EL_CHAR('7'),
2416
2417   EL_CHAR('8'),
2418   EL_CHAR('9'),
2419   EL_CHAR(':'),
2420   EL_CHAR(';'),
2421
2422   EL_CHAR('<'),
2423   EL_CHAR('='),
2424   EL_CHAR('>'),
2425   EL_CHAR('?'),
2426
2427   EL_CHAR('@'),
2428   EL_CHAR('A'),
2429   EL_CHAR('B'),
2430   EL_CHAR('C'),
2431
2432   EL_CHAR('D'),
2433   EL_CHAR('E'),
2434   EL_CHAR('F'),
2435   EL_CHAR('G'),
2436
2437   EL_CHAR('H'),
2438   EL_CHAR('I'),
2439   EL_CHAR('J'),
2440   EL_CHAR('K'),
2441
2442   EL_CHAR('L'),
2443   EL_CHAR('M'),
2444   EL_CHAR('N'),
2445   EL_CHAR('O'),
2446
2447   EL_CHAR('P'),
2448   EL_CHAR('Q'),
2449   EL_CHAR('R'),
2450   EL_CHAR('S'),
2451
2452   EL_CHAR('T'),
2453   EL_CHAR('U'),
2454   EL_CHAR('V'),
2455   EL_CHAR('W'),
2456
2457   EL_CHAR('X'),
2458   EL_CHAR('Y'),
2459   EL_CHAR('Z'),
2460   EL_CHAR('['),
2461
2462   EL_CHAR('\\'),
2463   EL_CHAR(']'),
2464   EL_CHAR('^'),
2465   EL_CHAR('_'),
2466
2467   EL_CHAR('©'),
2468   EL_CHAR('Ä'),
2469   EL_CHAR('Ö'),
2470   EL_CHAR('Ü'),
2471
2472   EL_CHAR('°'),
2473   EL_CHAR('®'),
2474   EL_CHAR(FONT_ASCII_CURSOR),
2475   EL_CHAR(' ')
2476 };
2477 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
2478 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
2479
2480 static int editor_hl_custom[] =
2481 {
2482   EL_CHAR('C'),
2483   EL_CHAR('U'),
2484   EL_CHAR('S'),
2485   EL_CHAR('-'),
2486
2487   EL_CHAR('T'),
2488   EL_CHAR('O'),
2489   EL_CHAR('M'),
2490   EL_CHAR(' '),
2491
2492   EL_CHAR('E'),
2493   EL_CHAR('L'),
2494   EL_CHAR('E'),
2495   EL_CHAR('M'),
2496
2497   EL_CHAR('E'),
2498   EL_CHAR('N'),
2499   EL_CHAR('T'),
2500   EL_CHAR('S'),
2501 };
2502
2503 static int editor_el_custom[] =
2504 {
2505   EL_CUSTOM_START + 0,
2506   EL_CUSTOM_START + 1,
2507   EL_CUSTOM_START + 2,
2508   EL_CUSTOM_START + 3,
2509
2510   EL_CUSTOM_START + 4,
2511   EL_CUSTOM_START + 5,
2512   EL_CUSTOM_START + 6,
2513   EL_CUSTOM_START + 7,
2514
2515   EL_CUSTOM_START + 8,
2516   EL_CUSTOM_START + 9,
2517   EL_CUSTOM_START + 10,
2518   EL_CUSTOM_START + 11,
2519
2520   EL_CUSTOM_START + 12,
2521   EL_CUSTOM_START + 13,
2522   EL_CUSTOM_START + 14,
2523   EL_CUSTOM_START + 15,
2524
2525   EL_CUSTOM_START + 16,
2526   EL_CUSTOM_START + 17,
2527   EL_CUSTOM_START + 18,
2528   EL_CUSTOM_START + 19,
2529
2530   EL_CUSTOM_START + 20,
2531   EL_CUSTOM_START + 21,
2532   EL_CUSTOM_START + 22,
2533   EL_CUSTOM_START + 23,
2534
2535   EL_CUSTOM_START + 24,
2536   EL_CUSTOM_START + 25,
2537   EL_CUSTOM_START + 26,
2538   EL_CUSTOM_START + 27,
2539
2540   EL_CUSTOM_START + 28,
2541   EL_CUSTOM_START + 29,
2542   EL_CUSTOM_START + 30,
2543   EL_CUSTOM_START + 31,
2544
2545   EL_CUSTOM_START + 32,
2546   EL_CUSTOM_START + 33,
2547   EL_CUSTOM_START + 34,
2548   EL_CUSTOM_START + 35,
2549
2550   EL_CUSTOM_START + 36,
2551   EL_CUSTOM_START + 37,
2552   EL_CUSTOM_START + 38,
2553   EL_CUSTOM_START + 39,
2554
2555   EL_CUSTOM_START + 40,
2556   EL_CUSTOM_START + 41,
2557   EL_CUSTOM_START + 42,
2558   EL_CUSTOM_START + 43,
2559
2560   EL_CUSTOM_START + 44,
2561   EL_CUSTOM_START + 45,
2562   EL_CUSTOM_START + 46,
2563   EL_CUSTOM_START + 47,
2564
2565   EL_CUSTOM_START + 48,
2566   EL_CUSTOM_START + 49,
2567   EL_CUSTOM_START + 50,
2568   EL_CUSTOM_START + 51,
2569
2570   EL_CUSTOM_START + 52,
2571   EL_CUSTOM_START + 53,
2572   EL_CUSTOM_START + 54,
2573   EL_CUSTOM_START + 55,
2574
2575   EL_CUSTOM_START + 56,
2576   EL_CUSTOM_START + 57,
2577   EL_CUSTOM_START + 58,
2578   EL_CUSTOM_START + 59,
2579
2580   EL_CUSTOM_START + 60,
2581   EL_CUSTOM_START + 61,
2582   EL_CUSTOM_START + 62,
2583   EL_CUSTOM_START + 63,
2584
2585   EL_CUSTOM_START + 64,
2586   EL_CUSTOM_START + 65,
2587   EL_CUSTOM_START + 66,
2588   EL_CUSTOM_START + 67,
2589
2590   EL_CUSTOM_START + 68,
2591   EL_CUSTOM_START + 69,
2592   EL_CUSTOM_START + 70,
2593   EL_CUSTOM_START + 71,
2594
2595   EL_CUSTOM_START + 72,
2596   EL_CUSTOM_START + 73,
2597   EL_CUSTOM_START + 74,
2598   EL_CUSTOM_START + 75,
2599
2600   EL_CUSTOM_START + 76,
2601   EL_CUSTOM_START + 77,
2602   EL_CUSTOM_START + 78,
2603   EL_CUSTOM_START + 79,
2604
2605   EL_CUSTOM_START + 80,
2606   EL_CUSTOM_START + 81,
2607   EL_CUSTOM_START + 82,
2608   EL_CUSTOM_START + 83,
2609
2610   EL_CUSTOM_START + 84,
2611   EL_CUSTOM_START + 85,
2612   EL_CUSTOM_START + 86,
2613   EL_CUSTOM_START + 87,
2614
2615   EL_CUSTOM_START + 88,
2616   EL_CUSTOM_START + 89,
2617   EL_CUSTOM_START + 90,
2618   EL_CUSTOM_START + 91,
2619
2620   EL_CUSTOM_START + 92,
2621   EL_CUSTOM_START + 93,
2622   EL_CUSTOM_START + 94,
2623   EL_CUSTOM_START + 95,
2624
2625   EL_CUSTOM_START + 96,
2626   EL_CUSTOM_START + 97,
2627   EL_CUSTOM_START + 98,
2628   EL_CUSTOM_START + 99,
2629
2630   EL_CUSTOM_START + 100,
2631   EL_CUSTOM_START + 101,
2632   EL_CUSTOM_START + 102,
2633   EL_CUSTOM_START + 103,
2634
2635   EL_CUSTOM_START + 104,
2636   EL_CUSTOM_START + 105,
2637   EL_CUSTOM_START + 106,
2638   EL_CUSTOM_START + 107,
2639
2640   EL_CUSTOM_START + 108,
2641   EL_CUSTOM_START + 109,
2642   EL_CUSTOM_START + 110,
2643   EL_CUSTOM_START + 111,
2644
2645   EL_CUSTOM_START + 112,
2646   EL_CUSTOM_START + 113,
2647   EL_CUSTOM_START + 114,
2648   EL_CUSTOM_START + 115,
2649
2650   EL_CUSTOM_START + 116,
2651   EL_CUSTOM_START + 117,
2652   EL_CUSTOM_START + 118,
2653   EL_CUSTOM_START + 119,
2654
2655   EL_CUSTOM_START + 120,
2656   EL_CUSTOM_START + 121,
2657   EL_CUSTOM_START + 122,
2658   EL_CUSTOM_START + 123,
2659
2660   EL_CUSTOM_START + 124,
2661   EL_CUSTOM_START + 125,
2662   EL_CUSTOM_START + 126,
2663   EL_CUSTOM_START + 127
2664 };
2665 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
2666 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
2667
2668 static int editor_hl_custom_more[] =
2669 {
2670 };
2671
2672 static int editor_el_custom_more[] =
2673 {
2674   EL_CUSTOM_START + 128,
2675   EL_CUSTOM_START + 129,
2676   EL_CUSTOM_START + 130,
2677   EL_CUSTOM_START + 131,
2678
2679   EL_CUSTOM_START + 132,
2680   EL_CUSTOM_START + 133,
2681   EL_CUSTOM_START + 134,
2682   EL_CUSTOM_START + 135,
2683
2684   EL_CUSTOM_START + 136,
2685   EL_CUSTOM_START + 137,
2686   EL_CUSTOM_START + 138,
2687   EL_CUSTOM_START + 139,
2688
2689   EL_CUSTOM_START + 140,
2690   EL_CUSTOM_START + 141,
2691   EL_CUSTOM_START + 142,
2692   EL_CUSTOM_START + 143,
2693
2694   EL_CUSTOM_START + 144,
2695   EL_CUSTOM_START + 145,
2696   EL_CUSTOM_START + 146,
2697   EL_CUSTOM_START + 147,
2698
2699   EL_CUSTOM_START + 148,
2700   EL_CUSTOM_START + 149,
2701   EL_CUSTOM_START + 150,
2702   EL_CUSTOM_START + 151,
2703
2704   EL_CUSTOM_START + 152,
2705   EL_CUSTOM_START + 153,
2706   EL_CUSTOM_START + 154,
2707   EL_CUSTOM_START + 155,
2708
2709   EL_CUSTOM_START + 156,
2710   EL_CUSTOM_START + 157,
2711   EL_CUSTOM_START + 158,
2712   EL_CUSTOM_START + 159,
2713
2714   EL_CUSTOM_START + 160,
2715   EL_CUSTOM_START + 161,
2716   EL_CUSTOM_START + 162,
2717   EL_CUSTOM_START + 163,
2718
2719   EL_CUSTOM_START + 164,
2720   EL_CUSTOM_START + 165,
2721   EL_CUSTOM_START + 166,
2722   EL_CUSTOM_START + 167,
2723
2724   EL_CUSTOM_START + 168,
2725   EL_CUSTOM_START + 169,
2726   EL_CUSTOM_START + 170,
2727   EL_CUSTOM_START + 171,
2728
2729   EL_CUSTOM_START + 172,
2730   EL_CUSTOM_START + 173,
2731   EL_CUSTOM_START + 174,
2732   EL_CUSTOM_START + 175,
2733
2734   EL_CUSTOM_START + 176,
2735   EL_CUSTOM_START + 177,
2736   EL_CUSTOM_START + 178,
2737   EL_CUSTOM_START + 179,
2738
2739   EL_CUSTOM_START + 180,
2740   EL_CUSTOM_START + 181,
2741   EL_CUSTOM_START + 182,
2742   EL_CUSTOM_START + 183,
2743
2744   EL_CUSTOM_START + 184,
2745   EL_CUSTOM_START + 185,
2746   EL_CUSTOM_START + 186,
2747   EL_CUSTOM_START + 187,
2748
2749   EL_CUSTOM_START + 188,
2750   EL_CUSTOM_START + 189,
2751   EL_CUSTOM_START + 190,
2752   EL_CUSTOM_START + 191,
2753
2754   EL_CUSTOM_START + 192,
2755   EL_CUSTOM_START + 193,
2756   EL_CUSTOM_START + 194,
2757   EL_CUSTOM_START + 195,
2758
2759   EL_CUSTOM_START + 196,
2760   EL_CUSTOM_START + 197,
2761   EL_CUSTOM_START + 198,
2762   EL_CUSTOM_START + 199,
2763
2764   EL_CUSTOM_START + 200,
2765   EL_CUSTOM_START + 201,
2766   EL_CUSTOM_START + 202,
2767   EL_CUSTOM_START + 203,
2768
2769   EL_CUSTOM_START + 204,
2770   EL_CUSTOM_START + 205,
2771   EL_CUSTOM_START + 206,
2772   EL_CUSTOM_START + 207,
2773
2774   EL_CUSTOM_START + 208,
2775   EL_CUSTOM_START + 209,
2776   EL_CUSTOM_START + 210,
2777   EL_CUSTOM_START + 211,
2778
2779   EL_CUSTOM_START + 212,
2780   EL_CUSTOM_START + 213,
2781   EL_CUSTOM_START + 214,
2782   EL_CUSTOM_START + 215,
2783
2784   EL_CUSTOM_START + 216,
2785   EL_CUSTOM_START + 217,
2786   EL_CUSTOM_START + 218,
2787   EL_CUSTOM_START + 219,
2788
2789   EL_CUSTOM_START + 220,
2790   EL_CUSTOM_START + 221,
2791   EL_CUSTOM_START + 222,
2792   EL_CUSTOM_START + 223,
2793
2794   EL_CUSTOM_START + 224,
2795   EL_CUSTOM_START + 225,
2796   EL_CUSTOM_START + 226,
2797   EL_CUSTOM_START + 227,
2798
2799   EL_CUSTOM_START + 228,
2800   EL_CUSTOM_START + 229,
2801   EL_CUSTOM_START + 230,
2802   EL_CUSTOM_START + 231,
2803
2804   EL_CUSTOM_START + 232,
2805   EL_CUSTOM_START + 233,
2806   EL_CUSTOM_START + 234,
2807   EL_CUSTOM_START + 235,
2808
2809   EL_CUSTOM_START + 236,
2810   EL_CUSTOM_START + 237,
2811   EL_CUSTOM_START + 238,
2812   EL_CUSTOM_START + 239,
2813
2814   EL_CUSTOM_START + 240,
2815   EL_CUSTOM_START + 241,
2816   EL_CUSTOM_START + 242,
2817   EL_CUSTOM_START + 243,
2818
2819   EL_CUSTOM_START + 244,
2820   EL_CUSTOM_START + 245,
2821   EL_CUSTOM_START + 246,
2822   EL_CUSTOM_START + 247,
2823
2824   EL_CUSTOM_START + 248,
2825   EL_CUSTOM_START + 249,
2826   EL_CUSTOM_START + 250,
2827   EL_CUSTOM_START + 251,
2828
2829   EL_CUSTOM_START + 252,
2830   EL_CUSTOM_START + 253,
2831   EL_CUSTOM_START + 254,
2832   EL_CUSTOM_START + 255
2833 };
2834 static int num_editor_hl_custom_more = SIZEOF_ARRAY_INT(editor_hl_custom_more);
2835 static int num_editor_el_custom_more = SIZEOF_ARRAY_INT(editor_el_custom_more);
2836
2837 static int *editor_elements = NULL;     /* dynamically allocated */
2838 static int num_editor_elements = 0;     /* dynamically determined */
2839
2840 static struct
2841 {
2842   boolean *setup_value;
2843
2844   int *headline_list;
2845   int *headline_list_size;
2846
2847   int *element_list;
2848   int *element_list_size;
2849
2850   boolean last_setup_value;
2851 }
2852 editor_elements_info[] =
2853 {
2854   {
2855     &setup.editor.el_boulderdash,
2856     editor_hl_boulderdash,              &num_editor_hl_boulderdash,
2857     editor_el_boulderdash,              &num_editor_el_boulderdash
2858   },
2859   {
2860     &setup.editor.el_emerald_mine,
2861     editor_hl_emerald_mine,             &num_editor_hl_emerald_mine,
2862     editor_el_emerald_mine,             &num_editor_el_emerald_mine
2863   },
2864   {
2865     &setup.editor.el_more,
2866     editor_hl_more,                     &num_editor_hl_more,
2867     editor_el_more,                     &num_editor_el_more
2868   },
2869   {
2870     &setup.editor.el_sokoban,
2871     editor_hl_sokoban,                  &num_editor_hl_sokoban,
2872     editor_el_sokoban,                  &num_editor_el_sokoban
2873   },
2874   {
2875     &setup.editor.el_supaplex,
2876     editor_hl_supaplex,                 &num_editor_hl_supaplex,
2877     editor_el_supaplex,                 &num_editor_el_supaplex
2878   },
2879   {
2880     &setup.editor.el_diamond_caves,
2881     editor_hl_diamond_caves,            &num_editor_hl_diamond_caves,
2882     editor_el_diamond_caves,            &num_editor_el_diamond_caves
2883   },
2884   {
2885     &setup.editor.el_dx_boulderdash,
2886     editor_hl_dx_boulderdash,           &num_editor_hl_dx_boulderdash,
2887     editor_el_dx_boulderdash,           &num_editor_el_dx_boulderdash
2888   },
2889   {
2890     &setup.editor.el_chars,
2891     editor_hl_chars,                    &num_editor_hl_chars,
2892     editor_el_chars,                    &num_editor_el_chars
2893   },
2894   {
2895     &setup.editor.el_custom,
2896     editor_hl_custom,                   &num_editor_hl_custom,
2897     editor_el_custom,                   &num_editor_el_custom
2898   },
2899   {
2900     &setup.editor.el_custom_more,
2901     editor_hl_custom_more,              &num_editor_hl_custom_more,
2902     editor_el_custom_more,              &num_editor_el_custom_more
2903   },
2904   {
2905     NULL,
2906     NULL,                               NULL,
2907     NULL,                               NULL
2908   }
2909 };
2910
2911
2912 /*
2913   -----------------------------------------------------------------------------
2914   functions
2915   -----------------------------------------------------------------------------
2916 */
2917
2918 static int getMaxInfoTextLength()
2919 {
2920   return (SXSIZE / getFontWidth(FONT_TEXT_2));
2921 }
2922
2923 static int getTextWidthForGadget(char *text)
2924 {
2925   if (text == NULL)
2926     return 0;
2927
2928   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
2929 }
2930
2931 static int getTextWidthForDrawingArea(char *text)
2932 {
2933   if (text == NULL)
2934     return 0;
2935
2936   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
2937 }
2938
2939 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
2940 {
2941   return (gi->x + gi->width + getTextWidthForGadget(text));
2942 }
2943
2944 static char *getElementInfoText(int element)
2945 {
2946   char *info_text = NULL;
2947
2948   if (element < NUM_FILE_ELEMENTS)
2949   {
2950     if (strlen(element_info[element].description) > 0)
2951       info_text = element_info[element].description;
2952     else if (element_info[element].custom_description != NULL)
2953       info_text = element_info[element].custom_description;
2954     else if (element_info[element].editor_description != NULL)
2955       info_text = element_info[element].editor_description;
2956   }
2957
2958   if (info_text == NULL)
2959     info_text = INFOTEXT_UNKNOWN_ELEMENT;
2960
2961   return info_text;
2962 }
2963
2964 static void ReinitializeElementList()
2965 {
2966   static boolean initialized = FALSE;
2967   int pos = 0;
2968   int i, j;
2969
2970   if (editor_elements != NULL)
2971     free(editor_elements);
2972
2973   /* do some sanity check for each element from element list at startup */
2974   if (!initialized)
2975   {
2976     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2977     {
2978       for (j=0; j < *editor_elements_info[i].element_list_size; j++)
2979       {
2980         int element = editor_elements_info[i].element_list[j];
2981
2982         if (element >= NUM_FILE_ELEMENTS)
2983           Error(ERR_WARN, "editor element %d is runtime element", element);
2984
2985         if (strcmp(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT) == 0)
2986           Error(ERR_WARN, "no element description for element %d", element);
2987       }
2988     }
2989
2990     initialized = TRUE;
2991   }
2992
2993   num_editor_elements = 0;
2994
2995   /* determine size of element list */
2996   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2997   {
2998     if (*editor_elements_info[i].setup_value)
2999     {
3000       if (setup.editor.el_headlines)
3001         num_editor_elements += *editor_elements_info[i].headline_list_size;
3002
3003       num_editor_elements += *editor_elements_info[i].element_list_size;
3004     }
3005   }
3006
3007   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
3008   {
3009     /* workaround: offer at least as many elements as element buttons exist */
3010     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
3011
3012     *editor_elements_info[list_nr].setup_value = TRUE;
3013     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
3014   }
3015
3016   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
3017
3018   /* fill element list */
3019   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
3020   {
3021     if (*editor_elements_info[i].setup_value)
3022     {
3023       if (setup.editor.el_headlines)
3024         for (j=0; j < *editor_elements_info[i].headline_list_size; j++)
3025           editor_elements[pos++] = editor_elements_info[i].headline_list[j];
3026
3027       for (j=0; j < *editor_elements_info[i].element_list_size; j++)
3028         editor_elements[pos++] = editor_elements_info[i].element_list[j];
3029     }
3030   }
3031
3032   /* correct position of element list scrollbar */
3033   if (element_shift < 0)
3034     element_shift = 0;
3035   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
3036     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
3037 }
3038
3039 static void ReinitializeElementListButtons()
3040 {
3041   static boolean last_setup_value_headlines = FALSE;
3042   static boolean initialization_needed = TRUE;
3043   int i;
3044
3045   if (!initialization_needed)   /* check if editor element setup has changed */
3046   {
3047     if (last_setup_value_headlines != setup.editor.el_headlines)
3048       initialization_needed = TRUE;
3049
3050     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
3051       if (editor_elements_info[i].last_setup_value !=
3052           *editor_elements_info[i].setup_value)
3053         initialization_needed = TRUE;
3054   }
3055
3056   if (!initialization_needed)
3057     return;
3058
3059   FreeLevelEditorGadgets();
3060   CreateLevelEditorGadgets();
3061
3062   /* store current setup values for next invocation of this function */
3063   last_setup_value_headlines = setup.editor.el_headlines;
3064   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
3065     editor_elements_info[i].last_setup_value =
3066       *editor_elements_info[i].setup_value;
3067
3068   initialization_needed = FALSE;
3069 }
3070
3071 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
3072                               boolean input)
3073 {
3074   int border_graphic =
3075     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
3076   Bitmap *src_bitmap;
3077   int src_x, src_y;
3078   int num_mini_tilex = width / MINI_TILEX + 1;
3079   int num_mini_tiley = width / MINI_TILEY + 1;
3080   int x, y;
3081
3082   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3083
3084   for (y=0; y < num_mini_tiley; y++)
3085     for (x=0; x < num_mini_tilex; x++)
3086       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3087                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3088                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3089
3090   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3091 }
3092
3093 static void DrawDrawingArea(int id)
3094 {
3095   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
3096   int x, y;
3097
3098   if (id == ED_DRAWING_ID_RANDOM_BACKGROUND)
3099     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3100                        el2edimg(random_placement_background_element));
3101   else if (id == ED_DRAWING_ID_AMOEBA_CONTENT)
3102     DrawMiniGraphicExt(drawto, gi->x, gi->y, el2edimg(level.amoeba_content));
3103   else if (id == ED_DRAWING_ID_CUSTOM_GRAPHIC)
3104     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3105                        el2edimg(custom_element.gfx_element));
3106   else if (id == ED_DRAWING_ID_CUSTOM_CONTENT)
3107     for (y=0; y<3; y++)
3108       for (x=0; x<3; x++)
3109         DrawMiniGraphicExt(drawto,
3110                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3111                            el2edimg(custom_element.content[x][y]));
3112   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TARGET)
3113     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3114                        el2edimg(custom_element_change.target_element));
3115   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT)
3116     for (y=0; y < 3; y++)
3117       for (x=0; x < 3; x++)
3118         DrawMiniGraphicExt(drawto,
3119                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3120                            el2edimg(custom_element_change.content[x][y]));
3121   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER)
3122     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3123                        el2edimg(custom_element_change.trigger_element));
3124   else if (id >= ED_DRAWING_ID_ELEMENT_CONTENT_0 &&
3125            id <= ED_DRAWING_ID_ELEMENT_CONTENT_7)
3126   {
3127     int nr = id - ED_DRAWING_ID_ELEMENT_CONTENT_0;
3128
3129     for (y=0; y < 3; y++)
3130       for (x=0; x < 3; x++)
3131         DrawMiniGraphicExt(drawto,
3132                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3133                            el2edimg(level.yamyam_content[nr][x][y]));
3134   }
3135 }
3136
3137 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
3138 {
3139   int x,y;
3140   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
3141   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
3142
3143   BlitBitmap(drawto, drawto,
3144              SX + (dx == -1 ? MINI_TILEX : 0),
3145              SY + (dy == -1 ? MINI_TILEY : 0),
3146              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
3147              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
3148              SX + (dx == +1 ? MINI_TILEX : 0),
3149              SY + (dy == +1 ? MINI_TILEY : 0));
3150   if (dx)
3151   {
3152     x = (dx == 1 ? 0 : ed_fieldx - 1);
3153     for(y=0; y<ed_fieldy; y++)
3154       DrawMiniElementOrWall(x, y, from_x, from_y);
3155   }
3156   else if (dy)
3157   {
3158     y = (dy == 1 ? 0 : ed_fieldy - 1);
3159     for(x=0; x<ed_fieldx; x++)
3160       DrawMiniElementOrWall(x, y, from_x, from_y);
3161   }
3162
3163   redraw_mask |= REDRAW_FIELD;
3164   BackToFront();
3165 }
3166
3167 static void CreateControlButtons()
3168 {
3169   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3170   struct GadgetInfo *gi;
3171   unsigned long event_mask;
3172   int i;
3173
3174   /* create toolbox buttons */
3175   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
3176   {
3177     int id = i;
3178     int width, height;
3179     int gd_xoffset, gd_yoffset;
3180     int gd_x1, gd_x2, gd_y1, gd_y2;
3181     int button_type;
3182     int radio_button_nr;
3183     boolean checked;
3184
3185     if (id == GADGET_ID_SINGLE_ITEMS ||
3186         id == GADGET_ID_CONNECTED_ITEMS ||
3187         id == GADGET_ID_LINE ||
3188         id == GADGET_ID_ARC ||
3189         id == GADGET_ID_TEXT ||
3190         id == GADGET_ID_RECTANGLE ||
3191         id == GADGET_ID_FILLED_BOX ||
3192         id == GADGET_ID_FLOOD_FILL ||
3193         id == GADGET_ID_GRAB_BRUSH ||
3194         id == GADGET_ID_PICK_ELEMENT)
3195     {
3196       button_type = GD_TYPE_RADIO_BUTTON;
3197       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
3198       checked = (id == drawing_function ? TRUE : FALSE);
3199       event_mask = GD_EVENT_PRESSED;
3200     }
3201     else
3202     {
3203       button_type = GD_TYPE_NORMAL_BUTTON;
3204       radio_button_nr = RADIO_NR_NONE;
3205       checked = FALSE;
3206
3207       if (id == GADGET_ID_WRAP_LEFT ||
3208           id == GADGET_ID_WRAP_RIGHT ||
3209           id == GADGET_ID_WRAP_UP ||
3210           id == GADGET_ID_WRAP_DOWN)
3211         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3212       else
3213         event_mask = GD_EVENT_RELEASED;
3214     }
3215
3216     if (id < ED_NUM_CTRL1_BUTTONS)
3217     {
3218       int x = i % ED_CTRL1_BUTTONS_HORIZ;
3219       int y = i / ED_CTRL1_BUTTONS_HORIZ;
3220
3221       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
3222       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
3223       width = ED_CTRL1_BUTTON_XSIZE;
3224       height = ED_CTRL1_BUTTON_YSIZE;
3225     }
3226     else
3227     {
3228       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
3229       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
3230
3231       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
3232       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
3233       width = ED_CTRL2_BUTTON_XSIZE;
3234       height = ED_CTRL2_BUTTON_YSIZE;
3235     }
3236
3237     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
3238     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
3239     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
3240     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
3241
3242     gi = CreateGadget(GDI_CUSTOM_ID, id,
3243                       GDI_CUSTOM_TYPE_ID, i,
3244                       GDI_INFO_TEXT, control_info[i].text,
3245                       GDI_X, EX + gd_xoffset,
3246                       GDI_Y, EY + gd_yoffset,
3247                       GDI_WIDTH, width,
3248                       GDI_HEIGHT, height,
3249                       GDI_TYPE, button_type,
3250                       GDI_STATE, GD_BUTTON_UNPRESSED,
3251                       GDI_RADIO_NR, radio_button_nr,
3252                       GDI_CHECKED, checked,
3253                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3254                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3255                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3256                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3257                       GDI_EVENT_MASK, event_mask,
3258                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3259                       GDI_CALLBACK_ACTION, HandleControlButtons,
3260                       GDI_END);
3261
3262     if (gi == NULL)
3263       Error(ERR_EXIT, "cannot create gadget");
3264
3265     level_editor_gadget[id] = gi;
3266   }
3267
3268   /* create buttons for scrolling of drawing area and element list */
3269   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
3270   {
3271     int id = scrollbutton_info[i].gadget_id;
3272     int x, y, width, height;
3273     int gd_x1, gd_x2, gd_y1, gd_y2;
3274
3275     x = scrollbutton_info[i].x;
3276     y = scrollbutton_info[i].y;
3277
3278     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3279
3280     if (id == GADGET_ID_SCROLL_LIST_UP ||
3281         id == GADGET_ID_SCROLL_LIST_DOWN)
3282     {
3283       x += DX;
3284       y += DY;
3285       width = ED_SCROLLBUTTON2_XSIZE;
3286       height = ED_SCROLLBUTTON2_YSIZE;
3287       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
3288       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
3289       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
3290       gd_y2 = gd_y1;
3291     }
3292     else
3293     {
3294       x += SX;
3295       y += SY;
3296       width = ED_SCROLLBUTTON_XSIZE;
3297       height = ED_SCROLLBUTTON_YSIZE;
3298       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
3299       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
3300       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
3301       gd_y2 = gd_y1;
3302     }
3303
3304     gi = CreateGadget(GDI_CUSTOM_ID, id,
3305                       GDI_CUSTOM_TYPE_ID, i,
3306                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
3307                       GDI_X, x,
3308                       GDI_Y, y,
3309                       GDI_WIDTH, width,
3310                       GDI_HEIGHT, height,
3311                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3312                       GDI_STATE, GD_BUTTON_UNPRESSED,
3313                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3314                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3315                       GDI_EVENT_MASK, event_mask,
3316                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3317                       GDI_CALLBACK_ACTION, HandleControlButtons,
3318                       GDI_END);
3319
3320     if (gi == NULL)
3321       Error(ERR_EXIT, "cannot create gadget");
3322
3323     level_editor_gadget[id] = gi;
3324   }
3325
3326   /* create buttons for element list */
3327   for (i=0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
3328   {
3329     Bitmap *deco_bitmap;
3330     int deco_x, deco_y, deco_xpos, deco_ypos;
3331     int gd_xoffset, gd_yoffset;
3332     int gd_x1, gd_x2, gd_y;
3333     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
3334     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
3335     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
3336     int element = editor_elements[i];
3337
3338     event_mask = GD_EVENT_RELEASED;
3339
3340     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
3341     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
3342
3343     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
3344     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
3345     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
3346
3347     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
3348     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
3349     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
3350
3351     gi = CreateGadget(GDI_CUSTOM_ID, id,
3352                       GDI_CUSTOM_TYPE_ID, i,
3353                       GDI_INFO_TEXT, getElementInfoText(element),
3354                       GDI_X, DX + gd_xoffset,
3355                       GDI_Y, DY + gd_yoffset,
3356                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
3357                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
3358                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3359                       GDI_STATE, GD_BUTTON_UNPRESSED,
3360                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3361                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3362                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
3363                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
3364                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
3365                       GDI_DECORATION_SHIFTING, 1, 1,
3366                       GDI_EVENT_MASK, event_mask,
3367                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3368                       GDI_CALLBACK_ACTION, HandleControlButtons,
3369                       GDI_END);
3370
3371     if (gi == NULL)
3372       Error(ERR_EXIT, "cannot create gadget");
3373
3374     level_editor_gadget[id] = gi;
3375   }
3376 }
3377
3378 static void CreateCounterButtons()
3379 {
3380   int max_infotext_len = getMaxInfoTextLength();
3381   int i;
3382
3383   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
3384   {
3385     int j;
3386     int x = SX + counterbutton_info[i].x;       /* down count button */
3387     int y = SY + counterbutton_info[i].y;
3388
3389     /* determine horizontal position to the right of specified gadget */
3390     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3391       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
3392            ED_GADGET_TEXT_DISTANCE);
3393
3394     /* determine horizontal offset for leading text */
3395     if (counterbutton_info[i].text_left != NULL)
3396       x += getTextWidthForGadget(counterbutton_info[i].text_left);
3397
3398     for (j=0; j<2; j++)
3399     {
3400       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3401       struct GadgetInfo *gi;
3402       int id = (j == 0 ?
3403                 counterbutton_info[i].gadget_id_down :
3404                 counterbutton_info[i].gadget_id_up);
3405       int gd_xoffset;
3406       int gd_x, gd_x1, gd_x2, gd_y;
3407       int x_size, y_size;
3408       unsigned long event_mask;
3409       char infotext[max_infotext_len + 1];
3410
3411       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3412
3413       if (i == ED_COUNTER_ID_SELECT_LEVEL)
3414       {
3415         int sid = (j == 0 ?
3416                    ED_SCROLLBUTTON_ID_AREA_LEFT :
3417                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
3418
3419         event_mask |= GD_EVENT_RELEASED;
3420
3421         if (j == 1)
3422           x += 2 * ED_GADGET_DISTANCE;
3423         y += ED_GADGET_DISTANCE;
3424
3425         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
3426         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
3427         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
3428         x_size = ED_SCROLLBUTTON_XSIZE;
3429         y_size = ED_SCROLLBUTTON_YSIZE;
3430       }
3431       else
3432       {
3433         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
3434         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
3435         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
3436         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
3437         x_size = ED_BUTTON_COUNT_XSIZE;
3438         y_size = ED_BUTTON_COUNT_YSIZE;
3439       }
3440
3441       sprintf(infotext, "%s counter value by 1, 5 or 10",
3442               (j == 0 ? "decrease" : "increase"));
3443
3444       gi = CreateGadget(GDI_CUSTOM_ID, id,
3445                         GDI_CUSTOM_TYPE_ID, i,
3446                         GDI_INFO_TEXT, infotext,
3447                         GDI_X, x,
3448                         GDI_Y, y,
3449                         GDI_WIDTH, x_size,
3450                         GDI_HEIGHT, y_size,
3451                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3452                         GDI_STATE, GD_BUTTON_UNPRESSED,
3453                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3454                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3455                         GDI_EVENT_MASK, event_mask,
3456                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3457                         GDI_CALLBACK_ACTION, HandleCounterButtons,
3458                         GDI_END);
3459
3460       if (gi == NULL)
3461         Error(ERR_EXIT, "cannot create gadget");
3462
3463       level_editor_gadget[id] = gi;
3464       right_gadget_border[id] =
3465         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
3466
3467       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
3468
3469       if (j == 0)
3470       {
3471         int font_type = FONT_INPUT_1;
3472         int font_type_active = FONT_INPUT_1_ACTIVE;
3473         int gd_width = ED_WIN_COUNT_XSIZE;
3474
3475         id = counterbutton_info[i].gadget_id_text;
3476         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3477
3478         if (i == ED_COUNTER_ID_SELECT_LEVEL)
3479         {
3480           font_type = FONT_LEVEL_NUMBER;
3481           font_type_active = FONT_LEVEL_NUMBER;
3482
3483           x += 2 * ED_GADGET_DISTANCE;
3484           y -= ED_GADGET_DISTANCE;
3485
3486           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
3487           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
3488           gd_width = ED_WIN_COUNT2_XSIZE;
3489         }
3490         else
3491         {
3492           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3493           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3494         }
3495
3496         gi = CreateGadget(GDI_CUSTOM_ID, id,
3497                           GDI_CUSTOM_TYPE_ID, i,
3498                           GDI_INFO_TEXT, "enter counter value",
3499                           GDI_X, x,
3500                           GDI_Y, y,
3501                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
3502                           GDI_NUMBER_VALUE, 0,
3503                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
3504                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
3505                           GDI_TEXT_SIZE, 3,
3506                           GDI_TEXT_FONT, font_type,
3507                           GDI_TEXT_FONT_ACTIVE, font_type_active,
3508                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3509                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3510                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3511                           GDI_DESIGN_WIDTH, gd_width,
3512                           GDI_EVENT_MASK, event_mask,
3513                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3514                           GDI_CALLBACK_ACTION, HandleCounterButtons,
3515                           GDI_END);
3516
3517         if (gi == NULL)
3518           Error(ERR_EXIT, "cannot create gadget");
3519
3520         level_editor_gadget[id] = gi;
3521         right_gadget_border[id] =
3522           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
3523
3524         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
3525       }
3526     }
3527   }
3528 }
3529
3530 static void CreateDrawingAreas()
3531 {
3532   int i;
3533
3534   for (i=0; i<ED_NUM_DRAWING_AREAS; i++)
3535   {
3536     struct GadgetInfo *gi;
3537     unsigned long event_mask;
3538     int id = drawingarea_info[i].gadget_id;
3539     int x = SX + drawingarea_info[i].x;
3540     int y = SY + drawingarea_info[i].y;
3541     int area_xsize = drawingarea_info[i].area_xsize;
3542     int area_ysize = drawingarea_info[i].area_ysize;
3543
3544     event_mask =
3545       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
3546       GD_EVENT_OFF_BORDERS;
3547
3548     /* determine horizontal position to the right of specified gadget */
3549     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
3550       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
3551            ED_DRAWINGAREA_TEXT_DISTANCE);
3552
3553     /* determine horizontal offset for leading text */
3554     if (drawingarea_info[i].text_left != NULL)
3555       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
3556
3557     gi = CreateGadget(GDI_CUSTOM_ID, id,
3558                       GDI_CUSTOM_TYPE_ID, i,
3559                       GDI_X, x,
3560                       GDI_Y, y,
3561                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
3562                       GDI_AREA_SIZE, area_xsize, area_ysize,
3563                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
3564                       GDI_EVENT_MASK, event_mask,
3565                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
3566                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
3567                       GDI_END);
3568
3569     if (gi == NULL)
3570       Error(ERR_EXIT, "cannot create gadget");
3571
3572     level_editor_gadget[id] = gi;
3573     right_gadget_border[id] =
3574       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
3575   }
3576 }
3577
3578 static void CreateTextInputGadgets()
3579 {
3580   int max_infotext_len = getMaxInfoTextLength();
3581   int i;
3582
3583   for (i=0; i<ED_NUM_TEXTINPUT; i++)
3584   {
3585     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3586     int gd_x, gd_y;
3587     struct GadgetInfo *gi;
3588     unsigned long event_mask;
3589     char infotext[MAX_OUTPUT_LINESIZE + 1];
3590     int id = textinput_info[i].gadget_id;
3591
3592     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3593
3594     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3595     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3596
3597     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
3598     infotext[max_infotext_len] = '\0';
3599
3600     gi = CreateGadget(GDI_CUSTOM_ID, id,
3601                       GDI_CUSTOM_TYPE_ID, i,
3602                       GDI_INFO_TEXT, infotext,
3603                       GDI_X, SX + textinput_info[i].x,
3604                       GDI_Y, SY + textinput_info[i].y,
3605                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
3606                       GDI_TEXT_VALUE, textinput_info[i].value,
3607                       GDI_TEXT_SIZE, textinput_info[i].size,
3608                       GDI_TEXT_FONT, FONT_INPUT_1,
3609                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3610                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3611                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3612                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3613                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3614                       GDI_EVENT_MASK, event_mask,
3615                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3616                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
3617                       GDI_END);
3618
3619     if (gi == NULL)
3620       Error(ERR_EXIT, "cannot create gadget");
3621
3622     level_editor_gadget[id] = gi;
3623   }
3624 }
3625
3626 static void CreateTextAreaGadgets()
3627 {
3628   int max_infotext_len = getMaxInfoTextLength();
3629   int i;
3630
3631   for (i=0; i<ED_NUM_TEXTAREAS; i++)
3632   {
3633     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3634     int gd_x, gd_y;
3635     struct GadgetInfo *gi;
3636     unsigned long event_mask;
3637     char infotext[MAX_OUTPUT_LINESIZE + 1];
3638     int id = textarea_info[i].gadget_id;
3639     int area_xsize = textarea_info[i].xsize;
3640     int area_ysize = textarea_info[i].ysize;
3641
3642     event_mask = GD_EVENT_TEXT_LEAVING;
3643
3644     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3645     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3646
3647     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
3648     infotext[max_infotext_len] = '\0';
3649
3650     gi = CreateGadget(GDI_CUSTOM_ID, id,
3651                       GDI_CUSTOM_TYPE_ID, i,
3652                       GDI_INFO_TEXT, infotext,
3653                       GDI_X, SX + textarea_info[i].x,
3654                       GDI_Y, SY + textarea_info[i].y,
3655                       GDI_TYPE, GD_TYPE_TEXT_AREA,
3656                       GDI_AREA_SIZE, area_xsize, area_ysize,
3657                       GDI_TEXT_FONT, FONT_INPUT_1,
3658                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3659                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3660                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3661                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3662                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3663                       GDI_EVENT_MASK, event_mask,
3664                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3665                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
3666                       GDI_END);
3667
3668     if (gi == NULL)
3669       Error(ERR_EXIT, "cannot create gadget");
3670
3671     level_editor_gadget[id] = gi;
3672   }
3673 }
3674
3675 static void CreateSelectboxGadgets()
3676 {
3677   int max_infotext_len = getMaxInfoTextLength();
3678   int i, j;
3679
3680   for (i=0; i<ED_NUM_SELECTBOX; i++)
3681   {
3682     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3683     int gd_x, gd_y;
3684     struct GadgetInfo *gi;
3685     unsigned long event_mask;
3686     char infotext[MAX_OUTPUT_LINESIZE + 1];
3687     int id = selectbox_info[i].gadget_id;
3688     int x = SX + selectbox_info[i].x;
3689     int y = SY + selectbox_info[i].y;
3690
3691     if (selectbox_info[i].size == -1)   /* dynamically determine size */
3692     {
3693       /* (we cannot use -1 for uninitialized values if we directly compare
3694          with results from strlen(), because the '<' and '>' operation will
3695          implicitely cast -1 to an unsigned integer value!) */
3696       selectbox_info[i].size = 0;
3697
3698       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
3699         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
3700           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
3701
3702       selectbox_info[i].size++;         /* add one character empty space */
3703     }
3704
3705     event_mask = GD_EVENT_RELEASED |
3706       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3707
3708     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
3709     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
3710
3711     /* determine horizontal position to the right of specified gadget */
3712     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
3713       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
3714            ED_GADGET_TEXT_DISTANCE);
3715
3716     /* determine horizontal offset for leading text */
3717     if (selectbox_info[i].text_left != NULL)
3718       x += getTextWidthForGadget(selectbox_info[i].text_left);
3719
3720     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
3721     infotext[max_infotext_len] = '\0';
3722
3723     gi = CreateGadget(GDI_CUSTOM_ID, id,
3724                       GDI_CUSTOM_TYPE_ID, i,
3725                       GDI_INFO_TEXT, infotext,
3726                       GDI_X, x,
3727                       GDI_Y, y,
3728                       GDI_TYPE, GD_TYPE_SELECTBOX,
3729                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
3730                       GDI_TEXT_SIZE, selectbox_info[i].size,
3731                       GDI_TEXT_FONT, FONT_INPUT_1,
3732                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3733                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3734                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3735                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3736                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
3737                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3738                       GDI_EVENT_MASK, event_mask,
3739                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3740                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
3741                       GDI_END);
3742
3743     if (gi == NULL)
3744       Error(ERR_EXIT, "cannot create gadget");
3745
3746     level_editor_gadget[id] = gi;
3747     right_gadget_border[id] =
3748       getRightGadgetBorder(gi, selectbox_info[i].text_right);
3749   }
3750 }
3751
3752 static void CreateTextbuttonGadgets()
3753 {
3754   int max_infotext_len = getMaxInfoTextLength();
3755   int i;
3756
3757   for (i=0; i<ED_NUM_TEXTBUTTONS; i++)
3758   {
3759     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3760     int gd_x1, gd_x2, gd_y1, gd_y2;
3761     struct GadgetInfo *gi;
3762     unsigned long event_mask;
3763     char infotext[MAX_OUTPUT_LINESIZE + 1];
3764     int id = textbutton_info[i].gadget_id;
3765     int x = SX + textbutton_info[i].x;
3766     int y = SY + textbutton_info[i].y;
3767
3768     if (textbutton_info[i].size == -1)  /* dynamically determine size */
3769       textbutton_info[i].size = strlen(textbutton_info[i].text);
3770
3771     event_mask = GD_EVENT_RELEASED;
3772
3773     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
3774     {
3775       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
3776       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
3777       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
3778       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
3779     }
3780     else
3781     {
3782       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
3783       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
3784       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
3785       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
3786     }
3787
3788     sprintf(infotext, "%s", textbutton_info[i].infotext);
3789     infotext[max_infotext_len] = '\0';
3790
3791     /* determine horizontal position to the right of specified gadget */
3792     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3793       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
3794            ED_GADGET_TEXT_DISTANCE);
3795
3796     /* determine horizontal offset for leading text */
3797     if (textbutton_info[i].text_left != NULL)
3798       x += getTextWidthForGadget(textbutton_info[i].text_left);
3799
3800     gi = CreateGadget(GDI_CUSTOM_ID, id,
3801                       GDI_CUSTOM_TYPE_ID, i,
3802                       GDI_INFO_TEXT, infotext,
3803                       GDI_X, x,
3804                       GDI_Y, y,
3805                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
3806                       GDI_TEXT_VALUE, textbutton_info[i].text,
3807                       GDI_TEXT_SIZE, textbutton_info[i].size,
3808                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
3809                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
3810                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3811                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3812                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3813                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
3814                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3815                       GDI_DECORATION_SHIFTING, 1, 1,
3816                       GDI_EVENT_MASK, event_mask,
3817                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3818                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
3819                       GDI_END);
3820
3821     if (gi == NULL)
3822       Error(ERR_EXIT, "cannot create gadget");
3823
3824     level_editor_gadget[id] = gi;
3825     right_gadget_border[id] =
3826       getRightGadgetBorder(gi, textbutton_info[i].text_right);
3827   }
3828 }
3829
3830 static void CreateGraphicbuttonGadgets()
3831 {
3832   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3833   struct GadgetInfo *gi;
3834   unsigned long event_mask;
3835   int i;
3836
3837   /* create buttons for scrolling of drawing area and element list */
3838   for (i=0; i < ED_NUM_GRAPHICBUTTONS; i++)
3839   {
3840     int id = graphicbutton_info[i].gadget_id;
3841     int gd_x1, gd_x2, gd_y1, gd_y2;
3842     int x = SX + graphicbutton_info[i].x;
3843     int y = SY + graphicbutton_info[i].y;
3844
3845     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3846
3847     gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
3848     gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
3849     gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
3850     gd_y2 = gd_y1;
3851
3852     /* determine horizontal position to the right of specified gadget */
3853     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3854       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
3855            ED_GADGET_TEXT_DISTANCE);
3856
3857     /* determine horizontal offset for leading text */
3858     if (graphicbutton_info[i].text_left != NULL)
3859       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
3860
3861     gi = CreateGadget(GDI_CUSTOM_ID, id,
3862                       GDI_CUSTOM_TYPE_ID, i,
3863                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
3864                       GDI_X, x,
3865                       GDI_Y, y,
3866                       GDI_WIDTH, graphicbutton_info[i].width,
3867                       GDI_HEIGHT, graphicbutton_info[i].height,
3868                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3869                       GDI_STATE, GD_BUTTON_UNPRESSED,
3870                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3871                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3872                       GDI_EVENT_MASK, event_mask,
3873                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3874                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
3875                       GDI_END);
3876
3877     if (gi == NULL)
3878       Error(ERR_EXIT, "cannot create gadget");
3879
3880     level_editor_gadget[id] = gi;
3881     right_gadget_border[id] =
3882       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
3883   }
3884 }
3885
3886 static void CreateScrollbarGadgets()
3887 {
3888   int i;
3889
3890   for (i=0; i<ED_NUM_SCROLLBARS; i++)
3891   {
3892     int id = scrollbar_info[i].gadget_id;
3893     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3894     int gd_x1, gd_x2, gd_y1, gd_y2;
3895     struct GadgetInfo *gi;
3896     int items_max, items_visible, item_position;
3897     unsigned long event_mask;
3898
3899     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
3900     {
3901       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
3902       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
3903       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
3904     }
3905     else        /* drawing area scrollbars */
3906     {
3907       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
3908       {
3909         items_max = MAX(lev_fieldx + 2, ed_fieldx);
3910         items_visible = ed_fieldx;
3911         item_position = 0;
3912       }
3913       else
3914       {
3915         items_max = MAX(lev_fieldy + 2, ed_fieldy);
3916         items_visible = ed_fieldy;
3917         item_position = 0;
3918       }
3919     }
3920
3921     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
3922
3923     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
3924     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
3925                       scrollbar_info[i].height : scrollbar_info[i].width));
3926     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3927     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3928
3929     gi = CreateGadget(GDI_CUSTOM_ID, id,
3930                       GDI_CUSTOM_TYPE_ID, i,
3931                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
3932                       GDI_X, scrollbar_info[i].x,
3933                       GDI_Y, scrollbar_info[i].y,
3934                       GDI_WIDTH, scrollbar_info[i].width,
3935                       GDI_HEIGHT, scrollbar_info[i].height,
3936                       GDI_TYPE, scrollbar_info[i].type,
3937                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
3938                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3939                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
3940                       GDI_STATE, GD_BUTTON_UNPRESSED,
3941                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3942                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3943                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3944                       GDI_EVENT_MASK, event_mask,
3945                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3946                       GDI_CALLBACK_ACTION, HandleControlButtons,
3947                       GDI_END);
3948
3949     if (gi == NULL)
3950       Error(ERR_EXIT, "cannot create gadget");
3951
3952     level_editor_gadget[id] = gi;
3953   }
3954 }
3955
3956 static void CreateCheckbuttonGadgets()
3957 {
3958   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3959   struct GadgetInfo *gi;
3960   unsigned long event_mask;
3961   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3962   int i;
3963
3964   event_mask = GD_EVENT_PRESSED;
3965
3966   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3967   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3968   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3969   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3970   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3971
3972   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
3973   {
3974     int id = checkbutton_info[i].gadget_id;
3975     int x = SX + checkbutton_info[i].x;
3976     int y = SY + checkbutton_info[i].y;
3977
3978     if (id == GADGET_ID_STICK_ELEMENT)
3979       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
3980     else
3981       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
3982
3983     /* determine horizontal position to the right of specified gadget */
3984     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3985       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
3986            ED_GADGET_TEXT_DISTANCE);
3987
3988     /* determine horizontal offset for leading text */
3989     if (checkbutton_info[i].text_left != NULL)
3990       x += getTextWidthForGadget(checkbutton_info[i].text_left);
3991
3992     gi = CreateGadget(GDI_CUSTOM_ID, id,
3993                       GDI_CUSTOM_TYPE_ID, i,
3994                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
3995                       GDI_X, x,
3996                       GDI_Y, y,
3997                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3998                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3999                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
4000                       GDI_CHECKED, *checkbutton_info[i].value,
4001                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4002                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4003                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
4004                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
4005                       GDI_EVENT_MASK, event_mask,
4006                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4007                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
4008                       GDI_END);
4009
4010     if (gi == NULL)
4011       Error(ERR_EXIT, "cannot create gadget");
4012
4013     level_editor_gadget[id] = gi;
4014     right_gadget_border[id] =
4015       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
4016   }
4017 }
4018
4019 static void CreateRadiobuttonGadgets()
4020 {
4021   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4022   struct GadgetInfo *gi;
4023   unsigned long event_mask;
4024   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
4025   int i;
4026
4027   event_mask = GD_EVENT_PRESSED;
4028
4029   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4030   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4031   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
4032   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
4033   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
4034
4035   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
4036   {
4037     int id = radiobutton_info[i].gadget_id;
4038     int x = SX + radiobutton_info[i].x;
4039     int y = SY + radiobutton_info[i].y;
4040
4041     int checked =
4042       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
4043
4044     /* determine horizontal position to the right of specified gadget */
4045     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
4046       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
4047            ED_GADGET_TEXT_DISTANCE);
4048
4049     /* determine horizontal offset for leading text */
4050     if (radiobutton_info[i].text_left != NULL)
4051       x += getTextWidthForGadget(radiobutton_info[i].text_left);
4052
4053     gi = CreateGadget(GDI_CUSTOM_ID, id,
4054                       GDI_CUSTOM_TYPE_ID, i,
4055                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
4056                       GDI_X, x,
4057                       GDI_Y, y,
4058                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
4059                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
4060                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
4061                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
4062                       GDI_CHECKED, checked,
4063                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4064                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4065                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
4066                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
4067                       GDI_EVENT_MASK, event_mask,
4068                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4069                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
4070                       GDI_END);
4071
4072     if (gi == NULL)
4073       Error(ERR_EXIT, "cannot create gadget");
4074
4075     level_editor_gadget[id] = gi;
4076     right_gadget_border[id] =
4077       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
4078   }
4079 }
4080
4081 void CreateLevelEditorGadgets()
4082 {
4083   int old_game_status = game_status;
4084
4085   /* setting 'game_status' is needed to get the right fonts for the editor */
4086   game_status = GAME_MODE_EDITOR;
4087
4088   ReinitializeElementList();
4089
4090   CreateControlButtons();
4091   CreateScrollbarGadgets();
4092
4093   /* order of function calls is important because of cross-references */
4094   CreateCheckbuttonGadgets();
4095   CreateCounterButtons();
4096   CreateRadiobuttonGadgets();
4097   CreateTextInputGadgets();
4098   CreateTextAreaGadgets();
4099   CreateSelectboxGadgets();
4100   CreateGraphicbuttonGadgets();
4101   CreateTextbuttonGadgets();
4102   CreateDrawingAreas();
4103
4104   game_status = old_game_status;
4105 }
4106
4107 void FreeLevelEditorGadgets()
4108 {
4109   int i;
4110
4111   for (i=0; i<NUM_EDITOR_GADGETS; i++)
4112     FreeGadget(level_editor_gadget[i]);
4113 }
4114
4115 static void MapCounterButtons(int id)
4116 {
4117   int gadget_id_down = counterbutton_info[id].gadget_id_down;
4118   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
4119   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
4120   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
4121 #if 0
4122   char infotext[MAX_OUTPUT_LINESIZE + 1];
4123   int max_infotext_len = getMaxInfoTextLength();
4124   int xoffset_left = 0;
4125   int yoffset_left = ED_BORDER_SIZE;
4126   int xoffset_right = getCounterGadgetWidth();
4127   int yoffset_right = ED_BORDER_SIZE;
4128 #else
4129   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
4130   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4131   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
4132   int yoffset = ED_BORDER_SIZE;
4133   int x_left = gi_down->x - xoffset_left;
4134   int x_right = gi_up->x + gi_up->width + xoffset_right;
4135   int y_above = gi_down->y - yoffset_above;
4136   int x = gi_down->x;
4137   int y = gi_up->y + yoffset;
4138 #endif
4139
4140   if (counterbutton_info[id].text_above)
4141     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
4142
4143   if (counterbutton_info[id].text_left)
4144     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
4145
4146   if (counterbutton_info[id].text_right)
4147     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
4148
4149   ModifyEditorCounter(id, *counterbutton_info[id].value);
4150
4151   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
4152   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
4153   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
4154 }
4155
4156 static void MapControlButtons()
4157 {
4158   int counter_id;
4159   int i;
4160
4161   /* map toolbox buttons */
4162   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
4163     MapGadget(level_editor_gadget[i]);
4164
4165   /* map buttons to select elements */
4166   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4167     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
4168   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
4169   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
4170   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
4171
4172   /* map buttons to select level */
4173   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
4174   ModifyEditorCounterLimits(counter_id,
4175                             leveldir_current->first_level,
4176                             leveldir_current->last_level);
4177   MapCounterButtons(counter_id);
4178 }
4179
4180 static void MapDrawingArea(int id)
4181 {
4182   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
4183   int area_xsize = gi->drawing.area_xsize;
4184   int area_ysize = gi->drawing.area_ysize;
4185   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
4186   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
4187   int x_left  = gi->x - xoffset_left;
4188   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
4189   int x_below = gi->x + (gi->width - xoffset_below) / 2;
4190   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
4191   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
4192
4193   if (drawingarea_info[id].text_left)
4194     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
4195
4196   if (drawingarea_info[id].text_right)
4197     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
4198
4199   if (drawingarea_info[id].text_below)
4200     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
4201
4202   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
4203   {
4204     DrawElementBorder(gi->x, gi->y,
4205                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
4206
4207     DrawDrawingArea(id);
4208   }
4209
4210   MapGadget(gi);
4211 }
4212
4213 static void MapTextInputGadget(int id)
4214 {
4215   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
4216   int xoffset_above = 0;
4217   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
4218   int x_above = textinput_info[id].x + xoffset_above;
4219   int y_above = textinput_info[id].y + yoffset_above;
4220
4221   if (textinput_info[id].text_above)
4222     DrawTextF(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
4223
4224   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
4225
4226   MapGadget(gi);
4227 }
4228
4229 static void MapTextAreaGadget(int id)
4230 {
4231   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
4232   int xoffset_above = 0;
4233   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
4234   int x_above = textarea_info[id].x + xoffset_above;
4235   int y_above = textarea_info[id].y + yoffset_above;
4236
4237   if (textarea_info[id].text_above)
4238     DrawTextF(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
4239
4240   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
4241
4242   MapGadget(gi);
4243 }
4244
4245 static void MapSelectboxGadget(int id)
4246 {
4247   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
4248   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
4249   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4250   int yoffset = ED_BORDER_SIZE;
4251   int x_left = gi->x - xoffset_left;
4252   int x_right = gi->x + gi->width + xoffset_right;
4253   int y = gi->y + yoffset;
4254
4255   if (selectbox_info[id].text_left)
4256     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
4257
4258   if (selectbox_info[id].text_right)
4259     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
4260
4261   ModifyEditorSelectbox(id, *selectbox_info[id].value);
4262
4263   MapGadget(gi);
4264 }
4265
4266 static void MapTextbuttonGadget(int id)
4267 {
4268   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
4269   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
4270   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4271   int yoffset = ED_BORDER_SIZE;
4272   int x_left = gi->x - xoffset_left;
4273   int x_right = gi->x + gi->width + xoffset_right;
4274   int y = gi->y + yoffset;
4275
4276   /* only show button to delete change pages when more than minimum pages */
4277   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
4278       custom_element.num_change_pages == MIN_CHANGE_PAGES)
4279     return;
4280
4281   if (textbutton_info[id].text_left)
4282     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
4283
4284   if (textbutton_info[id].text_right)
4285     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
4286
4287   MapGadget(gi);
4288 }
4289
4290 static void MapGraphicbuttonGadget(int id)
4291 {
4292   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
4293   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
4294   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4295   int yoffset = ED_BORDER_SIZE;
4296   int x_left = gi->x - xoffset_left;
4297   int x_right = gi->x + gi->width + xoffset_right;
4298   int y = gi->y + yoffset;
4299
4300   if (graphicbutton_info[id].text_left)
4301     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
4302
4303   if (graphicbutton_info[id].text_right)
4304     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
4305
4306   MapGadget(gi);
4307 }
4308
4309 static void MapRadiobuttonGadget(int id)
4310 {
4311   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
4312   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
4313   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4314   int yoffset = ED_BORDER_SIZE;
4315   int x_left = gi->x - xoffset_left;
4316   int x_right = gi->x + gi->width + xoffset_right;
4317   int y = gi->y + yoffset;
4318   boolean checked =
4319     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
4320
4321   if (radiobutton_info[id].text_left)
4322     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
4323
4324   if (radiobutton_info[id].text_right)
4325     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
4326
4327   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
4328
4329   MapGadget(gi);
4330 }
4331
4332 static void MapCheckbuttonGadget(int id)
4333 {
4334   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
4335   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
4336   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4337   int yoffset = ED_BORDER_SIZE;
4338   int x_left = gi->x - xoffset_left;
4339   int x_right = gi->x + gi->width + xoffset_right;
4340   int y = gi->y + yoffset;
4341
4342   /* special case needed for "sticky" gadget */
4343   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value,
4344                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
4345   y = gi->y + yoffset;
4346
4347   if (checkbutton_info[id].text_left)
4348     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
4349
4350   if (checkbutton_info[id].text_right)
4351     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
4352
4353   MapGadget(gi);
4354 }
4355
4356 static void MapMainDrawingArea()
4357 {
4358   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
4359   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
4360   int i;
4361
4362   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
4363   {
4364     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
4365           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
4366          no_horizontal_scrollbar) ||
4367         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
4368           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
4369          no_vertical_scrollbar))
4370       continue;
4371
4372     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
4373   }
4374
4375   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
4376   {
4377     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
4378         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
4379       continue;
4380
4381     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
4382   }
4383
4384   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
4385 }
4386
4387 static void UnmapDrawingArea(int id)
4388 {
4389   UnmapGadget(level_editor_gadget[id]);
4390 }
4391
4392 void UnmapLevelEditorWindowGadgets()
4393 {
4394   int i;
4395
4396   for (i=0; i<NUM_EDITOR_GADGETS; i++)
4397     if (level_editor_gadget[i]->x < SX + SXSIZE)
4398       UnmapGadget(level_editor_gadget[i]);
4399 }
4400
4401 void UnmapLevelEditorGadgets()
4402 {
4403   int i;
4404
4405   for (i=0; i<NUM_EDITOR_GADGETS; i++)
4406     UnmapGadget(level_editor_gadget[i]);
4407 }
4408
4409 static void ResetUndoBuffer()
4410 {
4411   undo_buffer_position = -1;
4412   undo_buffer_steps = -1;
4413   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4414 }
4415
4416 static void DrawEditModeWindow()
4417 {
4418   ModifyEditorElementList();
4419   RedrawDrawingElements();
4420
4421   if (edit_mode == ED_MODE_INFO)
4422     DrawLevelInfoWindow();
4423   else if (edit_mode == ED_MODE_PROPERTIES)
4424     DrawPropertiesWindow();
4425   else  /* edit_mode == ED_MODE_DRAWING */
4426     DrawDrawingWindow();
4427 }
4428
4429 static boolean LevelChanged()
4430 {
4431   boolean level_changed = FALSE;
4432   int x, y;
4433
4434   for(y=0; y<lev_fieldy; y++)
4435     for(x=0; x<lev_fieldx; x++)
4436       if (Feld[x][y] != level.field[x][y])
4437         level_changed = TRUE;
4438
4439   return level_changed;
4440 }
4441
4442 static boolean LevelContainsPlayer()
4443 {
4444   boolean player_found = FALSE;
4445   int x, y;
4446
4447   for(y=0; y<lev_fieldy; y++)
4448     for(x=0; x<lev_fieldx; x++)
4449       if (Feld[x][y] == EL_PLAYER_1 ||
4450           Feld[x][y] == EL_SP_MURPHY)
4451         player_found = TRUE;
4452
4453   return player_found;
4454 }
4455
4456 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
4457                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
4458 {
4459   int x, y;
4460
4461   for(x=0; x<lev_fieldx; x++)
4462     for(y=0; y<lev_fieldy; y++)
4463       dst[x][y] = src[x][y];
4464 }
4465
4466 static int setSelectboxValue(int selectbox_id, int new_value)
4467 {
4468   int new_index_value = 0;
4469   int i;
4470
4471   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
4472     if (selectbox_info[selectbox_id].options[i].value == new_value)
4473       new_index_value = i;
4474
4475   *selectbox_info[selectbox_id].value =
4476     selectbox_info[selectbox_id].options[new_index_value].value;
4477
4478   return new_index_value;
4479 }
4480
4481 static void CopyCustomElementPropertiesToEditor(int element)
4482 {
4483   int i;
4484   int current_change_page = element_info[element].current_change_page;
4485
4486   /* dynamically (re)build selectbox for selecting change page */
4487   for (i=0; i < element_info[element].num_change_pages; i++)
4488   {
4489     sprintf(options_change_page_strings[i], "%d", i + 1);
4490
4491     options_change_page[i].value = i;
4492     options_change_page[i].text = options_change_page_strings[i];
4493   }
4494
4495   options_change_page[i].value = -1;
4496   options_change_page[i].text = NULL;
4497
4498   /* needed here to initialize combined element properties */
4499   InitElementPropertiesEngine(level.game_version);
4500
4501   element_info[element].change =
4502     &element_info[element].change_page[current_change_page];
4503
4504   custom_element = element_info[element];
4505   custom_element_change = *element_info[element].change;
4506
4507   /* needed to initially set selectbox value variables to reliable defaults */
4508   for (i=0; i < ED_NUM_SELECTBOX; i++)
4509     setSelectboxValue(i, *selectbox_info[i].value);
4510
4511   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
4512     custom_element_properties[i] = HAS_PROPERTY(element, i);
4513
4514   for (i=0; i < NUM_CHANGE_EVENTS; i++)
4515     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
4516
4517   /* ---------- element settings: configure (custom elements) ------------- */
4518
4519   /* set accessible layer selectbox help value */
4520   custom_element.access_type =
4521     (IS_WALKABLE(element) ? EP_WALKABLE :
4522      IS_PASSABLE(element) ? EP_PASSABLE :
4523      custom_element.access_type);
4524   custom_element.access_layer =
4525     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
4526      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
4527      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
4528      custom_element.access_layer);
4529   custom_element_properties[EP_ACCESSIBLE] =
4530     (IS_ACCESSIBLE_OVER(element) ||
4531      IS_ACCESSIBLE_INSIDE(element) ||
4532      IS_ACCESSIBLE_UNDER(element));
4533
4534   /* set walk-to-object action selectbox help value */
4535   custom_element.walk_to_action =
4536     (IS_DIGGABLE(element) ? EP_DIGGABLE :
4537      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
4538      IS_DROPPABLE(element) ? EP_DROPPABLE :
4539      IS_PUSHABLE(element) ? EP_PUSHABLE :
4540      custom_element.walk_to_action);
4541   custom_element_properties[EP_WALK_TO_OBJECT] =
4542     (IS_DIGGABLE(element) ||
4543      IS_COLLECTIBLE_ONLY(element) ||
4544      IS_DROPPABLE(element) ||
4545      IS_PUSHABLE(element));
4546
4547   /* set smash targets selectbox help value */
4548   custom_element.smash_targets =
4549     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
4550      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
4551      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
4552      custom_element.smash_targets);
4553   custom_element_properties[EP_CAN_SMASH] =
4554     (CAN_SMASH_EVERYTHING(element) ||
4555      CAN_SMASH_ENEMIES(element) ||
4556      CAN_SMASH_PLAYER(element));
4557
4558   /* set deadliness selectbox help value */
4559   custom_element.deadliness =
4560     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
4561      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
4562      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
4563      custom_element.deadliness);
4564   custom_element_properties[EP_DEADLY] =
4565     (DONT_TOUCH(element) ||
4566      DONT_COLLIDE_WITH(element) ||
4567      DONT_RUN_INTO(element));
4568
4569   /* set consistency selectbox help value */
4570   custom_element.consistency =
4571     (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
4572      CAN_EXPLODE_1X1(element) ? EP_CAN_EXPLODE_1X1 :
4573      CAN_EXPLODE_3X3(element) ? EP_CAN_EXPLODE_3X3 :
4574      custom_element.consistency);
4575   custom_element_properties[EP_EXPLODE_RESULT] =
4576     (IS_INDESTRUCTIBLE(element) ||
4577      CAN_EXPLODE_1X1(element) ||
4578      CAN_EXPLODE_3X3(element));
4579
4580   /* special case: sub-settings dependent from main setting */
4581   if (CAN_EXPLODE_BY_FIRE(element))
4582     custom_element.can_explode_by_fire = TRUE;
4583   if (CAN_EXPLODE_SMASHED(element))
4584     custom_element.can_explode_smashed = TRUE;
4585   if (CAN_EXPLODE_IMPACT(element))
4586     custom_element.can_explode_impact  = TRUE;
4587
4588   /* ---------- element settings: advanced (custom elements) --------------- */
4589
4590   /* set "change by direct action" selectbox help value */
4591   custom_element_change.direct_action =
4592     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
4593      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
4594      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
4595      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
4596      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
4597      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
4598      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
4599      HAS_CHANGE_EVENT(element, CE_COLLISION) ? CE_COLLISION :
4600      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
4601      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
4602      custom_element_change.direct_action);
4603
4604   /* set "change by other element action" selectbox help value */
4605   custom_element_change.other_action =
4606     (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
4607      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
4608      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
4609      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_ENTERED) ? CE_OTHER_GETS_ENTERED :
4610      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_LEFT) ? CE_OTHER_GETS_LEFT :
4611      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DIGGED) ? CE_OTHER_GETS_DIGGED :
4612      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
4613      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DROPPED) ? CE_OTHER_GETS_DROPPED :
4614      HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
4615      HAS_CHANGE_EVENT(element, CE_OTHER_IS_SWITCHING) ? CE_OTHER_IS_SWITCHING :
4616      HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
4617      HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
4618      custom_element_change.other_action);
4619 }
4620
4621 static void CopyCustomElementPropertiesToGame(int element)
4622 {
4623   int i;
4624   int access_type_and_layer;
4625
4626   /* mark that this custom element has been modified */
4627   custom_element.modified_settings = TRUE;
4628
4629   if (level.use_custom_template)
4630   {
4631     if (Request("Copy and modify level tem- plate ?", REQ_ASK))
4632     {
4633       level.use_custom_template = FALSE;
4634       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
4635                    GDI_CHECKED, FALSE, GDI_END);
4636     }
4637     else
4638     {
4639       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
4640
4641       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
4642     }
4643   }
4644
4645   element_info[element] = custom_element;
4646   *element_info[element].change = custom_element_change;
4647
4648   /* ---------- element settings: configure (custom elements) ------------- */
4649
4650   /* set accessible property from checkbox and selectbox */
4651   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
4652   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
4653   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
4654   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
4655   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
4656   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
4657   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
4658                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
4659                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
4660   custom_element_properties[access_type_and_layer] =
4661     custom_element_properties[EP_ACCESSIBLE];
4662
4663   /* set walk-to-object property from checkbox and selectbox */
4664   custom_element_properties[EP_DIGGABLE] = FALSE;
4665   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
4666   custom_element_properties[EP_DROPPABLE] = FALSE;
4667   custom_element_properties[EP_PUSHABLE] = FALSE;
4668   custom_element_properties[custom_element.walk_to_action] =
4669     custom_element_properties[EP_WALK_TO_OBJECT];
4670
4671   /* set smash property from checkbox and selectbox */
4672   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
4673   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
4674   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
4675   custom_element_properties[custom_element.smash_targets] =
4676     custom_element_properties[EP_CAN_SMASH];
4677
4678   /* set deadliness property from checkbox and selectbox */
4679   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
4680   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
4681   custom_element_properties[EP_DONT_TOUCH] = FALSE;
4682   custom_element_properties[custom_element.deadliness] =
4683     custom_element_properties[EP_DEADLY];
4684
4685   /* set consistency property from checkbox and selectbox */
4686   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
4687   custom_element_properties[EP_CAN_EXPLODE_1X1] = FALSE;
4688   custom_element_properties[EP_CAN_EXPLODE_3X3] = FALSE;
4689   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
4690   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
4691   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
4692   custom_element_properties[custom_element.consistency] =
4693     custom_element_properties[EP_EXPLODE_RESULT];
4694
4695   /* special case: sub-settings dependent from main setting */
4696   if (custom_element_properties[EP_CAN_EXPLODE_3X3] ||
4697       custom_element_properties[EP_CAN_EXPLODE_1X1])
4698   {
4699     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
4700       custom_element.can_explode_by_fire;
4701     custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
4702       custom_element.can_explode_smashed;
4703     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
4704       custom_element.can_explode_impact;
4705   }
4706
4707   /* ---------- element settings: advanced (custom elements) --------------- */
4708
4709   /* set player change event from checkbox and selectbox */
4710   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
4711   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
4712   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
4713   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
4714   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
4715   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
4716   custom_element_change_events[CE_SWITCHED] = FALSE;
4717   custom_element_change_events[CE_COLLISION] = FALSE;
4718   custom_element_change_events[CE_IMPACT] = FALSE;
4719   custom_element_change_events[CE_SMASHED] = FALSE;
4720   custom_element_change_events[custom_element_change.direct_action] =
4721     custom_element_change_events[CE_BY_DIRECT_ACTION];
4722
4723   /* set other element action change event from checkbox and selectbox */
4724   custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
4725   custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
4726   custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
4727   custom_element_change_events[CE_OTHER_GETS_ENTERED] = FALSE;
4728   custom_element_change_events[CE_OTHER_GETS_LEFT] = FALSE;
4729   custom_element_change_events[CE_OTHER_GETS_DIGGED] = FALSE;
4730   custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
4731   custom_element_change_events[CE_OTHER_GETS_DROPPED] = FALSE;
4732   custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
4733   custom_element_change_events[CE_OTHER_IS_SWITCHING] = FALSE;
4734   custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
4735   custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
4736   custom_element_change_events[custom_element_change.other_action] =
4737     custom_element_change_events[CE_BY_OTHER_ACTION];
4738
4739   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
4740     SET_PROPERTY(element, i, custom_element_properties[i]);
4741
4742   for (i=0; i < NUM_CHANGE_EVENTS; i++)
4743     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
4744
4745   /* copy change events also to special level editor variable */
4746   custom_element = element_info[element];
4747   custom_element_change = *element_info[element].change;
4748 }
4749
4750 void DrawLevelEd()
4751 {
4752   CloseDoor(DOOR_CLOSE_ALL);
4753   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
4754
4755   if (level_editor_test_game)
4756   {
4757     CopyPlayfield(level.field, Feld);
4758     CopyPlayfield(FieldBackup, level.field);
4759
4760     level_editor_test_game = FALSE;
4761   }
4762   else
4763   {
4764     edit_mode = ED_MODE_DRAWING;
4765     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
4766
4767     ResetUndoBuffer();
4768
4769     level_xpos = -1;
4770     level_ypos = -1;
4771   }
4772
4773   /* copy default editor door content to main double buffer */
4774   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
4775              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
4776
4777 #if 0
4778   /* draw mouse button brush elements */
4779   RedrawDrawingElements();
4780 #endif
4781
4782   /* draw bigger door */
4783   DrawSpecialEditorDoor();
4784
4785   /* draw new control window */
4786   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
4787              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
4788
4789   redraw_mask |= REDRAW_ALL;
4790
4791   ReinitializeElementListButtons();     /* only needed after setup changes */
4792 #if 0
4793   ModifyEditorElementList();            /* may be needed for custom elements */
4794 #endif
4795
4796   UnmapTapeButtons();
4797   MapControlButtons();
4798
4799   DrawEditModeWindow();
4800
4801   /* copy actual editor door content to door double buffer for OpenDoor() */
4802   BlitBitmap(drawto, bitmap_db_door,
4803              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
4804
4805   OpenDoor(DOOR_OPEN_1);
4806 }
4807
4808 static void AdjustDrawingAreaGadgets()
4809 {
4810   int ed_xsize = lev_fieldx + 2;
4811   int ed_ysize = lev_fieldy + 2;
4812   int max_ed_fieldx = MAX_ED_FIELDX;
4813   int max_ed_fieldy = MAX_ED_FIELDY;
4814   boolean horizontal_scrollbar_needed;
4815   boolean vertical_scrollbar_needed;
4816   int x, y, width, height;
4817   int xoffset, yoffset;
4818
4819   /* check if we need any scrollbars */
4820   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
4821   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
4822
4823   /* check if we have a smaller editor field because of scrollbars */
4824   if (horizontal_scrollbar_needed)
4825     max_ed_fieldy = MAX_ED_FIELDY - 1;
4826   if (vertical_scrollbar_needed)
4827     max_ed_fieldx = MAX_ED_FIELDX - 1;
4828
4829   /* check again if we now need more scrollbars because of less space */
4830   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
4831   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
4832
4833   /* check if editor field gets even smaller after adding new scrollbars */
4834   if (horizontal_scrollbar_needed)
4835     max_ed_fieldy = MAX_ED_FIELDY - 1;
4836   if (vertical_scrollbar_needed)
4837     max_ed_fieldx = MAX_ED_FIELDX - 1;
4838
4839   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
4840   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
4841
4842   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
4843                GDI_WIDTH, ed_fieldx * MINI_TILEX,
4844                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
4845                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
4846                GDI_END);
4847
4848   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
4849   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
4850
4851   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
4852   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
4853
4854   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
4855   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
4856
4857   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
4858   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
4859
4860   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4861                GDI_WIDTH, width,
4862                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
4863                GDI_END);
4864   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4865                GDI_HEIGHT, height,
4866                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
4867                GDI_END);
4868 }
4869
4870 static void AdjustLevelScrollPosition()
4871 {
4872   if (level_xpos < -1)
4873     level_xpos = -1;
4874   if (level_xpos > lev_fieldx - ed_fieldx + 1)
4875     level_xpos = lev_fieldx - ed_fieldx + 1;
4876   if (lev_fieldx < ed_fieldx - 2)
4877     level_xpos = -1;
4878
4879   if (level_ypos < -1)
4880     level_ypos = -1;
4881   if (level_ypos > lev_fieldy - ed_fieldy + 1)
4882     level_ypos = lev_fieldy - ed_fieldy + 1;
4883   if (lev_fieldy < ed_fieldy - 2)
4884     level_ypos = -1;
4885 }
4886
4887 static void AdjustEditorScrollbar(int id)
4888 {
4889   struct GadgetInfo *gi = level_editor_gadget[id];
4890   int items_max, items_visible, item_position;
4891
4892   if (id == GADGET_ID_SCROLL_HORIZONTAL)
4893   {
4894     items_max = MAX(lev_fieldx + 2, ed_fieldx);
4895     items_visible = ed_fieldx;
4896     item_position = level_xpos + 1;
4897   }
4898   else
4899   {
4900     items_max = MAX(lev_fieldy + 2, ed_fieldy);
4901     items_visible = ed_fieldy;
4902     item_position = level_ypos + 1;
4903   }
4904
4905   if (item_position > items_max - items_visible)
4906     item_position = items_max - items_visible;
4907
4908   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
4909                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
4910 }
4911
4912 static void ModifyEditorCounter(int counter_id, int new_value)
4913 {
4914   int *counter_value = counterbutton_info[counter_id].value;
4915   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4916   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4917
4918   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
4919
4920   if (counter_value != NULL)
4921     *counter_value = gi->textinput.number_value;
4922 }
4923
4924 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
4925 {
4926   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4927   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4928
4929   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
4930 }
4931
4932 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
4933 {
4934   int gadget_id = selectbox_info[selectbox_id].gadget_id;
4935   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4936   int new_index_value = setSelectboxValue(selectbox_id, new_value);
4937
4938   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
4939 }
4940
4941 static void ModifyEditorElementList()
4942 {
4943   int i;
4944
4945   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4946   {
4947     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4948     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4949     struct GadgetDesign *gd = &gi->deco.design;
4950     int element = editor_elements[element_shift + i];
4951
4952     UnmapGadget(gi);
4953     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
4954     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4955     MapGadget(gi);
4956   }
4957 }
4958
4959 static void PickDrawingElement(int button, int element)
4960 {
4961   if (button < 1 || button > 3)
4962     return;
4963
4964   if (button == 1)
4965   {
4966     new_element1 = element;
4967     DrawMiniGraphicExt(drawto,
4968                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
4969                        el2edimg(new_element1));
4970   }
4971   else if (button == 2)
4972   {
4973     new_element2 = element;
4974     DrawMiniGraphicExt(drawto,
4975                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
4976                        el2edimg(new_element2));
4977   }
4978   else
4979   {
4980     new_element3 = element;
4981     DrawMiniGraphicExt(drawto,
4982                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
4983                        el2edimg(new_element3));
4984   }
4985
4986   redraw_mask |= REDRAW_DOOR_1;
4987 }
4988
4989 static void RedrawDrawingElements()
4990 {
4991   PickDrawingElement(1, new_element1);
4992   PickDrawingElement(2, new_element2);
4993   PickDrawingElement(3, new_element3);
4994 }
4995
4996 static void DrawDrawingWindow()
4997 {
4998   stick_element_properties_window = FALSE;
4999
5000   SetMainBackgroundImage(IMG_UNDEFINED);
5001   ClearWindow();
5002   UnmapLevelEditorWindowGadgets();
5003
5004   AdjustDrawingAreaGadgets();
5005   AdjustLevelScrollPosition();
5006   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
5007   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
5008
5009   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5010   MapMainDrawingArea();
5011 }
5012
5013 static void DrawLevelInfoWindow()
5014 {
5015   int i;
5016
5017   stick_element_properties_window = FALSE;
5018
5019   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
5020   ClearWindow();
5021   UnmapLevelEditorWindowGadgets();
5022
5023   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
5024            "Level Settings", FONT_TITLE_1);
5025   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
5026            "Editor Settings", FONT_TITLE_1);
5027
5028   /* draw counter gadgets */
5029   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
5030     MapCounterButtons(i);
5031
5032   /* draw checkbutton gadgets */
5033   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
5034     MapCheckbuttonGadget(i);
5035
5036   /* draw radiobutton gadgets */
5037   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
5038     MapRadiobuttonGadget(i);
5039
5040   /* draw text input gadgets */
5041   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
5042     MapTextInputGadget(i);
5043
5044   /* draw drawing area */
5045   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
5046 }
5047
5048 static void DrawCustomContentArea()
5049 {
5050   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
5051   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5052   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
5053   int x2 = right_gadget_border[GADGET_ID_CUSTOM_CONSISTENCY];
5054   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
5055   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
5056
5057   /* add distance for potential left text (without drawing area border) */
5058   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
5059
5060   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
5061
5062   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
5063 }
5064
5065 static void DrawCustomChangeContentArea()
5066 {
5067   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
5068   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5069   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
5070   int x2 = right_gadget_border[GADGET_ID_CHANGE_POWER];
5071   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
5072   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
5073
5074   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
5075
5076   MapDrawingArea(id);
5077 }
5078
5079 static void DrawElementContentAreas()
5080 {
5081   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
5082   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
5083   int i;
5084
5085   /* display counter to choose number of element content areas */
5086   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
5087
5088   for (i=0; i < MAX_ELEMENT_CONTENTS; i++)
5089   {
5090     int id = ED_DRAWING_ID_ELEMENT_CONTENT_0 + i;
5091     int font_height = getFontHeight(FONT_TEXT_1);
5092
5093     if (i < level.num_yamyam_contents)
5094       MapDrawingArea(id);
5095     else
5096     {
5097       UnmapDrawingArea(id);
5098
5099       /* delete content areas in case of reducing number of them */
5100       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
5101                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
5102                      4 * MINI_TILEX,
5103                      4 * MINI_TILEX + ED_GADGET_TEXT_DISTANCE + font_height);
5104     }
5105   }
5106
5107   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
5108   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
5109   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
5110 }
5111
5112 static void DrawEnvelopeTextArea(int envelope_nr)
5113 {
5114   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
5115   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
5116
5117   UnmapGadget(gi);
5118   DrawBackground(gi->x, gi->y, gi->width, gi->height);
5119
5120   if (envelope_nr != -1)
5121     textarea_info[id].value = level.envelope_text[envelope_nr];
5122
5123   ModifyGadget(gi, GDI_AREA_SIZE,
5124                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
5125                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
5126                GDI_END);
5127
5128   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
5129 }
5130
5131 char *getElementDescriptionFilename(int element)
5132 {
5133   char *docs_dir = options.docs_directory;
5134   char *elements_subdir = "elements";
5135   static char *filename = NULL;
5136   char basename[MAX_FILENAME_LEN];
5137
5138   if (filename != NULL)
5139     free(filename);
5140
5141   /* 1st try: look for element description file for exactly this element */
5142   sprintf(basename, "%s.txt", element_info[element].token_name);
5143   filename = getPath3(docs_dir, elements_subdir, basename);
5144   if (fileExists(filename))
5145     return filename;
5146
5147   free(filename);
5148
5149   /* 2nd try: look for element description file for this element's class */
5150   sprintf(basename, "%s.txt", element_info[element].class_name);
5151   filename = getPath3(docs_dir, elements_subdir, basename);
5152   if (fileExists(filename))
5153     return filename;
5154
5155   return NULL;
5156 }
5157
5158 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
5159 {
5160   int font_height = getFontHeight(font_nr);
5161   int pad_x = ED_SETTINGS_XPOS(0);
5162   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
5163   int sx = SX + pad_x;
5164   int sy = SY + pad_y;
5165   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
5166
5167   if (screen_line >= max_lines_per_screen)
5168     return FALSE;
5169
5170   DrawText(sx, sy + screen_line * font_height, text, font_nr);
5171
5172   return TRUE;
5173 }
5174
5175 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
5176 {
5177   int font_nr = FONT_TEXT_2;
5178   int font_width = getFontWidth(font_nr);
5179   int pad_x = ED_SETTINGS_XPOS(0);
5180   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
5181   char line[MAX_LINE_LEN];
5182   char buffer[max_chars_per_line + 1];
5183   int buffer_len;
5184   int lines_printed = 0;
5185   FILE *file;
5186
5187   if (filename == NULL)
5188     return 0;
5189
5190   if (!(file = fopen(filename, MODE_READ)))
5191     return 0;
5192
5193   buffer[0] = '\0';
5194   buffer_len = 0;
5195
5196   while(!feof(file))
5197   {
5198     char *line_ptr, *word_ptr;
5199     boolean last_line_was_empty = TRUE;
5200
5201     /* read next line of input file */
5202     if (!fgets(line, MAX_LINE_LEN, file))
5203       break;
5204
5205     /* skip comments (lines directly beginning with '#') */
5206     if (line[0] == '#')
5207       continue;
5208
5209     /* cut trailing newline from input line */
5210     for (line_ptr = line; *line_ptr; line_ptr++)
5211     {
5212       if (*line_ptr == '\n' || *line_ptr == '\r')
5213       {
5214         *line_ptr = '\0';
5215         break;
5216       }
5217     }
5218
5219     if (strlen(line) == 0)              /* special case: force empty line */
5220       strcpy(line, "\n");
5221
5222     word_ptr = line;
5223
5224     while (*word_ptr)
5225     {
5226       boolean print_buffer = FALSE;
5227       int word_len;
5228
5229       /* skip leading whitespaces */
5230       while (*word_ptr == ' ' || *word_ptr == '\t')
5231         word_ptr++;
5232
5233       line_ptr = word_ptr;
5234       word_len = 0;
5235
5236       /* look for end of next word */
5237       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
5238       {
5239         line_ptr++;
5240         word_len++;
5241       }
5242
5243       if (word_len == 0)
5244       {
5245         continue;
5246       }
5247       else if (*word_ptr == '\n')       /* special case: force empty line */
5248       {
5249         if (buffer_len == 0)
5250           word_ptr++;
5251
5252         /* prevent printing of multiple empty lines */
5253         if (buffer_len > 0 || !last_line_was_empty)
5254           print_buffer = TRUE;
5255       }
5256       else if (word_len < max_chars_per_line - buffer_len)
5257       {
5258         /* word fits into text buffer -- add word */
5259
5260         if (buffer_len > 0)
5261           buffer[buffer_len++] = ' ';
5262
5263         strncpy(&buffer[buffer_len], word_ptr, word_len);
5264         buffer_len += word_len;
5265         buffer[buffer_len] = '\0';
5266         word_ptr += word_len;
5267       }
5268       else if (buffer_len > 0)
5269       {
5270         /* not enough space left for word in text buffer -- print buffer */
5271
5272         print_buffer = TRUE;
5273       }
5274       else
5275       {
5276         /* word does not fit at all into empty text buffer -- cut word */
5277
5278         strncpy(buffer, word_ptr, max_chars_per_line);
5279         buffer[max_chars_per_line] = '\0';
5280         word_ptr += max_chars_per_line;
5281         print_buffer = TRUE;
5282       }
5283
5284       if (print_buffer)
5285       {
5286         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
5287           return lines_printed;
5288
5289         last_line_was_empty = (buffer_len == 0);
5290         lines_printed++;
5291
5292         buffer[0] = '\0';
5293         buffer_len = 0;
5294         print_buffer = FALSE;
5295       }
5296     }
5297   }
5298
5299   fclose(file);
5300
5301   if (buffer_len > 0)
5302     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
5303       lines_printed++;
5304
5305   return lines_printed;
5306 }
5307
5308 static void DrawPropertiesTabulatorGadgets()
5309 {
5310   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
5311   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
5312   int gd_x = gd->x + gd_gi->border.width / 2;
5313   int gd_y = gd->y + gd_gi->height - 1;
5314   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
5315   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
5316   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
5317   int i;
5318
5319   /* draw additional "advanced" tabulator for custom elements */
5320   if (IS_CUSTOM_ELEMENT(properties_element))
5321     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
5322
5323   for (i=id_first; i <= id_last; i++)
5324   {
5325     int gadget_id = textbutton_info[i].gadget_id;
5326     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5327     boolean active = (i != edit_mode_properties);
5328
5329     /* draw background line below tabulator button */
5330     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
5331
5332     /* draw solid line below inactive tabulator buttons */
5333     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
5334       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
5335
5336     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
5337     MapTextbuttonGadget(i);
5338   }
5339
5340   /* draw little border line below tabulator buttons */
5341   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
5342     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
5343                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
5344                   ED_GADGET_DISTANCE, tab_color);
5345 }
5346
5347 static void DrawPropertiesInfo()
5348 {
5349   static struct
5350   {
5351     int value;
5352     char *text;
5353   }
5354   properties[] =
5355   {
5356     /* configurable properties */
5357
5358     { EP_WALKABLE_OVER,         "- player can walk over it"             },
5359     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
5360     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
5361     { EP_PASSABLE_OVER,         "- player can pass over it"             },
5362     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
5363     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
5364
5365     { EP_DIGGABLE,              "- can be digged away"                  },
5366     { EP_COLLECTIBLE,           "- can be collected"                    },
5367     { EP_DROPPABLE,             "- can be dropped after collecting"     },
5368     { EP_PUSHABLE,              "- can be pushed"                       },
5369
5370     { EP_CAN_MOVE,              "- can move"                            },
5371     { EP_CAN_FALL,              "- can fall"                            },
5372
5373     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
5374 #if 0
5375     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
5376 #endif
5377     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
5378
5379     { EP_SLIPPERY,              "- slippery for falling objects"        },
5380     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
5381
5382     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
5383     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
5384     { EP_DONT_TOUCH,            "- deadly when touching"                },
5385
5386     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
5387
5388     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
5389     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
5390     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
5391
5392     { EP_CAN_CHANGE,            "- can change to other element"         },
5393
5394     /* pre-defined properties */
5395     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
5396     { EP_HAS_CONTENT,           "- can contain other elements"          },
5397
5398     { -1,                       NULL                                    }
5399   };
5400   char *filename = getElementDescriptionFilename(properties_element);
5401   char *percentage_text = "In this level:";
5402   char *properties_text = "Standard properties:";
5403   float percentage;
5404   int num_elements_in_level;
5405   int num_standard_properties = 0;
5406   int font1_nr = FONT_TEXT_1;
5407   int font2_nr = FONT_TEXT_2;
5408   int font1_width = getFontWidth(font1_nr);
5409   int font2_height = getFontHeight(font2_nr);
5410   int pad_x = ED_SETTINGS_XPOS(0);
5411   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
5412   int screen_line = 0;
5413   int i, x, y;
5414
5415   /* ----- print number of elements / percentage of this element in level */
5416
5417   num_elements_in_level = 0;
5418   for (y=0; y<lev_fieldy; y++)
5419     for (x=0; x<lev_fieldx; x++)
5420       if (Feld[x][y] == properties_element)
5421         num_elements_in_level++;
5422   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
5423
5424   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
5425             percentage_text);
5426   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
5427             pad_y + screen_line++ * font2_height, font2_nr,
5428             "%d (%.2f%%)", num_elements_in_level, percentage);
5429
5430   screen_line++;
5431
5432   /* ----- print standard properties of this element */
5433
5434   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
5435             properties_text);
5436
5437   for (i=0; properties[i].value != -1; i++)
5438   {
5439     if (!HAS_PROPERTY(properties_element, properties[i].value))
5440       continue;
5441
5442     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
5443               properties[i].text);
5444     num_standard_properties++;
5445   }
5446
5447   if (num_standard_properties == 0)
5448     DrawTextF(pad_x + strlen(properties_text) * font1_width,
5449               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
5450
5451   screen_line++;
5452
5453   /* ----- print special description of this element */
5454
5455   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
5456   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
5457     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
5458 }
5459
5460 #define TEXT_COLLECTING         "Score for collecting"
5461 #define TEXT_SMASHING           "Score for smashing"
5462 #define TEXT_CRACKING           "Score for cracking"
5463 #define TEXT_SPEED              "Speed of amoeba growth"
5464 #define TEXT_DURATION           "Duration when activated"
5465
5466 static struct
5467 {
5468   int element;
5469   int *value;
5470   char *text;
5471 } elements_with_counter[] =
5472 {
5473   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
5474   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
5475   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
5476   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
5477   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
5478   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
5479   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
5480   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
5481   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
5482   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
5483   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
5484   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
5485   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
5486   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
5487   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
5488   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
5489   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
5490   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
5491   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5492   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5493   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5494   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5495   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5496   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5497   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5498   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5499   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5500   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
5501   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
5502   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
5503   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
5504   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
5505   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
5506   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
5507   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
5508   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
5509   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
5510   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
5511   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
5512   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
5513   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
5514   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
5515   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
5516   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
5517   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
5518   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
5519 #if 1
5520   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
5521   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
5522   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
5523   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
5524 #else
5525   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5526   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5527   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5528   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5529 #endif
5530   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
5531   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
5532   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
5533   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
5534   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
5535   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
5536   { -1,                 NULL,                           NULL            }
5537 };
5538
5539 static boolean checkPropertiesConfig()
5540 {
5541   int i;
5542
5543   if (IS_GEM(properties_element) ||
5544       IS_CUSTOM_ELEMENT(properties_element) ||
5545       IS_ENVELOPE(properties_element) ||
5546       HAS_CONTENT(properties_element))
5547     return TRUE;
5548   else
5549     for (i=0; elements_with_counter[i].element != -1; i++)
5550       if (elements_with_counter[i].element == properties_element)
5551         return TRUE;
5552
5553   return FALSE;
5554 }
5555
5556 static void DrawPropertiesConfig()
5557 {
5558   int i;
5559
5560   if (!checkPropertiesConfig())
5561   {
5562     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
5563
5564     return;
5565   }
5566
5567   /* check if there are elements where a score can be chosen for */
5568   for (i=0; elements_with_counter[i].element != -1; i++)
5569   {
5570     if (elements_with_counter[i].element == properties_element)
5571     {
5572       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
5573
5574       counterbutton_info[counter_id].value = elements_with_counter[i].value;
5575       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
5576       MapCounterButtons(counter_id);
5577
5578       break;
5579     }
5580   }
5581
5582   if (HAS_CONTENT(properties_element))
5583   {
5584     /* draw stickybutton gadget */
5585     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
5586     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
5587     MapCheckbuttonGadget(i);
5588
5589     if (IS_AMOEBOID(properties_element))
5590       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
5591     else
5592       DrawElementContentAreas();
5593   }
5594
5595   if (IS_GEM(properties_element))
5596     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
5597
5598   if (IS_ENVELOPE(properties_element))
5599   {
5600     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
5601     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
5602     int envelope_nr = properties_element - EL_ENVELOPE_1;
5603
5604     counterbutton_info[counter1_id].value = &level.envelope_xsize[envelope_nr];
5605     counterbutton_info[counter2_id].value = &level.envelope_ysize[envelope_nr];
5606
5607     /* display counter to choose size of envelope text area */
5608     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_XSIZE);
5609     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_YSIZE);
5610
5611     DrawEnvelopeTextArea(envelope_nr);
5612   }
5613
5614   if (IS_CUSTOM_ELEMENT(properties_element))
5615   {
5616     /* draw stickybutton gadget */
5617     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
5618     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
5619     MapCheckbuttonGadget(i);
5620
5621     /* draw checkbutton gadgets */
5622     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
5623          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
5624       MapCheckbuttonGadget(i);
5625
5626     /* draw counter gadgets */
5627     for (i=ED_COUNTER_ID_CUSTOM_FIRST; i<=ED_COUNTER_ID_CUSTOM_LAST; i++)
5628       MapCounterButtons(i);
5629
5630     /* draw selectbox gadgets */
5631     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
5632       MapSelectboxGadget(i);
5633
5634     /* draw drawing area gadgets */
5635     DrawCustomContentArea();
5636
5637     /* draw text input gadgets */
5638     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
5639   }
5640 }
5641
5642 static void DrawPropertiesAdvancedDrawingAreas()
5643 {
5644   MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
5645   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
5646   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
5647
5648   DrawCustomChangeContentArea();
5649
5650   redraw_mask |= REDRAW_FIELD;
5651 }
5652
5653 static void DrawPropertiesAdvanced()
5654 {
5655   int i;
5656
5657   /* draw stickybutton gadget */
5658   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
5659   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
5660   MapCheckbuttonGadget(i);
5661
5662   /* draw checkbutton gadgets */
5663   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
5664        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
5665     MapCheckbuttonGadget(i);
5666
5667   /* draw counter gadgets */
5668   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
5669     MapCounterButtons(i);
5670
5671   /* draw selectbox gadgets */
5672   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
5673     MapSelectboxGadget(i);
5674
5675   /* draw textbutton gadgets */
5676   for (i=ED_TEXTBUTTON_ID_CHANGE_FIRST; i<=ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
5677     MapTextbuttonGadget(i);
5678
5679   /* draw graphicbutton gadgets */
5680   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
5681        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
5682     MapGraphicbuttonGadget(i);
5683
5684   /* draw drawing area gadgets */
5685   DrawPropertiesAdvancedDrawingAreas();
5686 }
5687
5688 static void DrawElementName(int x, int y, int element)
5689 {
5690   char *element_name = getElementInfoText(element);
5691   int font_nr = FONT_TEXT_1;
5692   int font_width = getFontWidth(font_nr);
5693   int font_height = getFontHeight(font_nr);
5694   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
5695   int max_chars_per_line = max_text_width / font_width;
5696   char buffer[max_chars_per_line + 1];
5697
5698   if (strlen(element_name) <= max_chars_per_line)
5699     DrawTextF(x, y, font_nr, element_name);
5700   else
5701   {
5702     int next_pos = max_chars_per_line;
5703
5704     strncpy(buffer, element_name, max_chars_per_line);
5705     buffer[max_chars_per_line] = '\0';
5706
5707     if (element_name[max_chars_per_line] == ' ')
5708       next_pos++;
5709     else
5710     {
5711       int i;
5712
5713       for (i = max_chars_per_line - 1; i >= 0; i--)
5714         if (buffer[i] == ' ')
5715           break;
5716
5717       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
5718       {
5719         buffer[i] = '\0';
5720         next_pos = i + 1;
5721       }
5722     }
5723
5724     DrawTextF(x, y - font_height / 2, font_nr, buffer);
5725
5726     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
5727     buffer[max_chars_per_line] = '\0';
5728
5729     DrawTextF(x, y + font_height / 2, font_nr, buffer);
5730   }
5731 }
5732
5733 static void DrawPropertiesWindow()
5734 {
5735   int xstart = 2;
5736   int ystart = 4;
5737
5738   stick_element_properties_window = FALSE;
5739
5740   /* make sure that previous properties edit mode exists for this element */
5741   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
5742       !IS_CUSTOM_ELEMENT(properties_element))
5743     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
5744
5745   if (IS_CUSTOM_ELEMENT(properties_element))
5746     CopyCustomElementPropertiesToEditor(properties_element);
5747
5748   UnmapLevelEditorWindowGadgets();
5749
5750   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
5751   ClearWindow();
5752
5753   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
5754            "Element Settings", FONT_TITLE_1);
5755
5756   DrawElementBorder(SX + xstart * MINI_TILEX,
5757                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
5758                     TILEX, TILEY, FALSE);
5759   DrawGraphicAnimationExt(drawto,
5760                           SX + xstart * MINI_TILEX,
5761                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
5762                           el2img(properties_element), -1, NO_MASKING);
5763
5764   FrameCounter = 0;     /* restart animation frame counter */
5765
5766   DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
5767                   properties_element);
5768
5769   DrawPropertiesTabulatorGadgets();
5770
5771   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
5772     DrawPropertiesInfo();
5773   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
5774     DrawPropertiesConfig();
5775   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
5776     DrawPropertiesAdvanced();
5777 }
5778
5779 static void UpdateCustomElementGraphicGadgets()
5780 {
5781   ModifyEditorElementList();
5782   RedrawDrawingElements();
5783
5784   if (edit_mode == ED_MODE_PROPERTIES &&
5785       edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED)
5786     DrawPropertiesAdvancedDrawingAreas();
5787 }
5788
5789 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
5790 {
5791   int lx = sx + level_xpos;
5792   int ly = sy + level_ypos;
5793
5794   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
5795
5796   if (change_level)
5797     Feld[lx][ly] = element;
5798 }
5799
5800 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
5801                      int element, boolean change_level)
5802 {
5803   if (from_y == to_y)                   /* horizontal line */
5804   {
5805     int x;
5806     int y = from_y;
5807
5808     if (from_x > to_x)
5809       swap_numbers(&from_x, &to_x);
5810
5811     for (x=from_x; x<=to_x; x++)
5812       DrawLineElement(x, y, element, change_level);
5813   }
5814   else if (from_x == to_x)              /* vertical line */
5815   {
5816     int x = from_x;
5817     int y;
5818
5819     if (from_y > to_y)
5820       swap_numbers(&from_y, &to_y);
5821
5822     for (y=from_y; y<=to_y; y++)
5823       DrawLineElement(x, y, element, change_level);
5824   }
5825   else                                  /* diagonal line */
5826   {
5827     int len_x = ABS(to_x - from_x);
5828     int len_y = ABS(to_y - from_y);
5829     int x, y;
5830
5831     if (len_y < len_x)                  /* a < 1 */
5832     {
5833       float a = (float)len_y / (float)len_x;
5834
5835       if (from_x > to_x)
5836         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5837
5838       for (x=0; x<=len_x; x++)
5839       {
5840         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
5841         DrawLineElement(from_x + x, from_y + y, element, change_level);
5842       }
5843     }
5844     else                                /* a >= 1 */
5845     {
5846       float a = (float)len_x / (float)len_y;
5847
5848       if (from_y > to_y)
5849         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5850
5851       for (y=0; y<=len_y; y++)
5852       {
5853         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
5854         DrawLineElement(from_x + x, from_y + y, element, change_level);
5855       }
5856     }
5857   }
5858 }
5859
5860 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
5861                     int element, boolean change_level)
5862 {
5863   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
5864   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
5865   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
5866   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
5867 }
5868
5869 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
5870                           int element, boolean change_level)
5871 {
5872   int y;
5873
5874   if (from_y > to_y)
5875     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5876
5877   for (y=from_y; y<=to_y; y++)
5878     DrawLine(from_x, y, to_x, y, element, change_level);
5879 }
5880
5881 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
5882                        int element, boolean change_level)
5883 {
5884   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
5885   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
5886   int len_x = ABS(to_x - from_x);
5887   int len_y = ABS(to_y - from_y);
5888   int radius, x, y;
5889
5890   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
5891
5892   /* not optimal (some points get drawn twice) but simple,
5893      and fast enough for the few points we are drawing */
5894
5895   for (x=0; x<=radius; x++)
5896   {
5897     int sx, sy, lx, ly;
5898
5899     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
5900
5901     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5902     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5903     lx = sx + level_xpos;
5904     ly = sy + level_ypos;
5905
5906     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5907       DrawLineElement(sx, sy, element, change_level);
5908   }
5909
5910   for (y=0; y<=radius; y++)
5911   {
5912     int sx, sy, lx, ly;
5913
5914     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
5915
5916     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5917     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5918     lx = sx + level_xpos;
5919     ly = sy + level_ypos;
5920
5921     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5922       DrawLineElement(sx, sy, element, change_level);
5923   }
5924 }
5925
5926 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
5927                     int element, boolean change_level)
5928 {
5929   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5930   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5931
5932   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5933 }
5934
5935 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
5936 #if DRAW_CIRCLES_BUTTON_AVAILABLE
5937 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
5938                        int element, boolean change_level)
5939 {
5940   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5941   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5942   int mirror_to_x2 = from_x - (to_x2 - from_x);
5943   int mirror_to_y2 = from_y - (to_y2 - from_y);
5944
5945   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5946   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
5947   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
5948   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
5949 }
5950 #endif
5951
5952 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
5953 {
5954   int from_sx, from_sy;
5955   int to_sx, to_sy;
5956
5957   if (from_x > to_x)
5958     swap_numbers(&from_x, &to_x);
5959
5960   if (from_y > to_y)
5961     swap_numbers(&from_y, &to_y);
5962
5963   from_sx = SX + from_x * MINI_TILEX;
5964   from_sy = SY + from_y * MINI_TILEY;
5965   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
5966   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
5967
5968   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
5969   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
5970   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
5971   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
5972
5973   if (from_x == to_x && from_y == to_y)
5974     MarkTileDirty(from_x/2, from_y/2);
5975   else
5976     redraw_mask |= REDRAW_FIELD;
5977 }
5978
5979 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
5980                        int element, boolean change_level)
5981 {
5982   if (element == -1 || change_level)
5983     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
5984   else
5985     DrawAreaBorder(from_x, from_y, to_x, to_y);
5986 }
5987
5988 /* values for CopyBrushExt() */
5989 #define CB_AREA_TO_BRUSH        0
5990 #define CB_BRUSH_TO_CURSOR      1
5991 #define CB_BRUSH_TO_LEVEL       2
5992 #define CB_DELETE_OLD_CURSOR    3
5993
5994 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
5995                          int button, int mode)
5996 {
5997   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
5998   static int brush_width, brush_height;
5999   static int last_cursor_x = -1, last_cursor_y = -1;
6000   static boolean delete_old_brush;
6001   int new_element = BUTTON_ELEMENT(button);
6002   int x, y;
6003
6004   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
6005     return;
6006
6007   if (mode == CB_AREA_TO_BRUSH)
6008   {
6009     int from_lx, from_ly;
6010
6011     if (from_x > to_x)
6012       swap_numbers(&from_x, &to_x);
6013
6014     if (from_y > to_y)
6015       swap_numbers(&from_y, &to_y);
6016
6017     brush_width = to_x - from_x + 1;
6018     brush_height = to_y - from_y + 1;
6019
6020     from_lx = from_x + level_xpos;
6021     from_ly = from_y + level_ypos;
6022
6023     for (y=0; y<brush_height; y++)
6024     {
6025       for (x=0; x<brush_width; x++)
6026       {
6027         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
6028
6029         if (button != 1)
6030           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
6031       }
6032     }
6033
6034     if (button != 1)
6035       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6036
6037     delete_old_brush = FALSE;
6038   }
6039   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
6040            mode == CB_BRUSH_TO_LEVEL)
6041   {
6042     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
6043     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
6044     int cursor_from_x = cursor_x - brush_width / 2;
6045     int cursor_from_y = cursor_y - brush_height / 2;
6046     int border_from_x = cursor_x, border_from_y = cursor_y;
6047     int border_to_x = cursor_x, border_to_y = cursor_y;
6048
6049     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
6050       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
6051
6052     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
6053         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
6054     {
6055       delete_old_brush = FALSE;
6056       return;
6057     }
6058
6059     for (y=0; y<brush_height; y++)
6060     {
6061       for (x=0; x<brush_width; x++)
6062       {
6063         int sx = cursor_from_x + x;
6064         int sy = cursor_from_y + y;
6065         int lx = sx + level_xpos;
6066         int ly = sy + level_ypos;
6067         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
6068         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
6069                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
6070                        brush_buffer[x][y] : new_element);
6071
6072         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6073         {
6074           if (sx < border_from_x)
6075             border_from_x = sx;
6076           else if (sx > border_to_x)
6077             border_to_x = sx;
6078           if (sy < border_from_y)
6079             border_from_y = sy;
6080           else if (sy > border_to_y)
6081             border_to_y = sy;
6082
6083           DrawLineElement(sx, sy, element, change_level);
6084         }
6085       }
6086     }
6087
6088     if (mode != CB_DELETE_OLD_CURSOR)
6089       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
6090
6091     last_cursor_x = cursor_x;
6092     last_cursor_y = cursor_y;
6093     delete_old_brush = TRUE;
6094   }
6095 }
6096
6097 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
6098                             int button)
6099 {
6100   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
6101 }
6102
6103 static void CopyBrushToLevel(int x, int y, int button)
6104 {
6105   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
6106 }
6107
6108 static void CopyBrushToCursor(int x, int y)
6109 {
6110   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
6111 }
6112
6113 static void DeleteBrushFromCursor()
6114 {
6115   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
6116 }
6117
6118 static void FloodFill(int from_x, int from_y, int fill_element)
6119 {
6120   int i,x,y;
6121   int old_element;
6122   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
6123   static int safety = 0;
6124
6125   /* check if starting field still has the desired content */
6126   if (Feld[from_x][from_y] == fill_element)
6127     return;
6128
6129   safety++;
6130
6131   if (safety > lev_fieldx*lev_fieldy)
6132     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
6133
6134   old_element = Feld[from_x][from_y];
6135   Feld[from_x][from_y] = fill_element;
6136
6137   for(i=0;i<4;i++)
6138   {
6139     x = from_x + check[i][0];
6140     y = from_y + check[i][1];
6141
6142     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
6143       FloodFill(x, y, fill_element);
6144   }
6145
6146   safety--;
6147 }
6148
6149 /* values for DrawLevelText() modes */
6150 #define TEXT_INIT               0
6151 #define TEXT_SETCURSOR          1
6152 #define TEXT_WRITECHAR          2
6153 #define TEXT_BACKSPACE          3
6154 #define TEXT_NEWLINE            4
6155 #define TEXT_END                5
6156 #define TEXT_QUERY_TYPING       6
6157
6158 static int DrawLevelText(int sx, int sy, char letter, int mode)
6159 {
6160   static short delete_buffer[MAX_LEV_FIELDX];
6161   static int start_sx, start_sy;
6162   static int last_sx, last_sy;
6163   static boolean typing = FALSE;
6164   int letter_element = EL_CHAR_ASCII0 + letter;
6165   int lx = 0, ly = 0;
6166
6167   /* map lower case letters to upper case and convert special characters */
6168   if (letter >= 'a' && letter <= 'z')
6169     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
6170   else if (letter == 'ä' || letter == 'Ä')
6171     letter_element = EL_CHAR_AUMLAUT;
6172   else if (letter == 'ö' || letter == 'Ö')
6173     letter_element = EL_CHAR_OUMLAUT;
6174   else if (letter == 'ü' || letter == 'Ü')
6175     letter_element = EL_CHAR_UUMLAUT;
6176   else if (letter == '^')
6177     letter_element = EL_CHAR_COPYRIGHT;
6178   else
6179     letter_element = EL_CHAR_ASCII0 + letter;
6180
6181   if (mode != TEXT_INIT)
6182   {
6183     if (!typing)
6184       return FALSE;
6185
6186     if (mode != TEXT_SETCURSOR)
6187     {
6188       sx = last_sx;
6189       sy = last_sy;
6190     }
6191
6192     lx = last_sx + level_xpos;
6193     ly = last_sy + level_ypos;
6194   }
6195
6196   switch (mode)
6197   {
6198     case TEXT_INIT:
6199       if (typing)
6200         DrawLevelText(0, 0, 0, TEXT_END);
6201
6202       typing = TRUE;
6203       start_sx = last_sx = sx;
6204       start_sy = last_sy = sy;
6205       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
6206       break;
6207
6208     case TEXT_SETCURSOR:
6209       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
6210       DrawAreaBorder(sx, sy, sx, sy);
6211       last_sx = sx;
6212       last_sy = sy;
6213       break;
6214
6215     case TEXT_WRITECHAR:
6216       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
6217       {
6218         delete_buffer[sx - start_sx] = Feld[lx][ly];
6219         Feld[lx][ly] = letter_element;
6220
6221         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
6222           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
6223         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
6224           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
6225         else
6226           DrawLevelText(0, 0, 0, TEXT_END);
6227       }
6228       break;
6229
6230     case TEXT_BACKSPACE:
6231       if (sx > start_sx)
6232       {
6233         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
6234         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
6235         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
6236       }
6237       break;
6238
6239     case TEXT_NEWLINE:
6240       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
6241         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
6242       else
6243         DrawLevelText(0, 0, 0, TEXT_END);
6244       break;
6245
6246     case TEXT_END:
6247       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6248       DrawMiniElement(sx, sy, Feld[lx][ly]);
6249       typing = FALSE;
6250       break;
6251
6252     case TEXT_QUERY_TYPING:
6253       break;
6254
6255     default:
6256       break;
6257   }
6258
6259   return typing;
6260 }
6261
6262 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
6263                           int element, boolean change_level)
6264 {
6265   int lx = sx + level_xpos;
6266   int ly = sy + level_ypos;
6267
6268   if (element == -1)
6269     DrawMiniElement(sx, sy, Feld[lx][ly]);
6270   else
6271     DrawAreaBorder(sx, sy, sx, sy);
6272 }
6273
6274 static void CopyLevelToUndoBuffer(int mode)
6275 {
6276   static boolean accumulated_undo = FALSE;
6277   boolean new_undo_buffer_position = TRUE;
6278   int last_border_element;
6279   int x, y;
6280
6281   switch (mode)
6282   {
6283     case UNDO_IMMEDIATE:
6284       accumulated_undo = FALSE;
6285       break;
6286
6287     case UNDO_ACCUMULATE:
6288       if (accumulated_undo)
6289         new_undo_buffer_position = FALSE;
6290       accumulated_undo = TRUE;
6291       break;
6292
6293     default:
6294       break;
6295   }
6296
6297   if (new_undo_buffer_position)
6298   {
6299     /* new position in undo buffer ring */
6300     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
6301
6302     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
6303       undo_buffer_steps++;
6304   }
6305
6306   for(x=0; x<lev_fieldx; x++)
6307     for(y=0; y<lev_fieldy; y++)
6308       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
6309
6310   /* check if drawing operation forces change of border style */
6311   last_border_element = BorderElement;
6312   SetBorderElement();
6313   if (BorderElement != last_border_element)
6314     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6315 }
6316
6317 static void RandomPlacement(int new_element)
6318 {
6319   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
6320   int num_free_positions;
6321   int num_percentage;
6322   int num_elements;
6323   int x, y;
6324
6325   /* determine number of free positions for the new elements */
6326   /* (maybe this statement should be formatted a bit more readable...) */
6327   num_free_positions = 0;
6328   for (x=0; x<lev_fieldx; x++)
6329     for (y=0; y<lev_fieldy; y++)
6330       if ((free_position[x][y] =
6331            ((random_placement_background_restricted &&
6332              Feld[x][y] == random_placement_background_element) ||
6333             (!random_placement_background_restricted &&
6334              Feld[x][y] != new_element))) == TRUE)
6335         num_free_positions++;
6336
6337   /* determine number of new elements to place there */
6338   num_percentage = num_free_positions * random_placement_value / 100;
6339   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
6340                   num_percentage : random_placement_value);
6341
6342   /* if not more free positions than elements to place, fill whole level */
6343   if (num_elements >= num_free_positions)
6344   {
6345     for (x=0; x<lev_fieldx; x++)
6346       for (y=0; y<lev_fieldy; y++)
6347         Feld[x][y] = new_element;
6348
6349     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6350     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6351     return;
6352   }
6353
6354   while (num_elements > 0)
6355   {
6356     x = RND(lev_fieldx);
6357     y = RND(lev_fieldy);
6358
6359     /* don't place element at the same position twice */
6360     if (free_position[x][y])
6361     {
6362       free_position[x][y] = FALSE;
6363       Feld[x][y] = new_element;
6364       num_elements--;
6365     }
6366   }
6367
6368   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6369   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6370 }
6371
6372 void WrapLevel(int dx, int dy)
6373 {
6374   int wrap_dx = lev_fieldx - dx;
6375   int wrap_dy = lev_fieldy - dy;
6376   int x, y;
6377
6378   for(x=0; x<lev_fieldx; x++)
6379     for(y=0; y<lev_fieldy; y++)
6380       FieldBackup[x][y] = Feld[x][y];
6381
6382   for(x=0; x<lev_fieldx; x++)
6383     for(y=0; y<lev_fieldy; y++)
6384       Feld[x][y] =
6385         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
6386
6387   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6388   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
6389 }
6390
6391 static void HandleDrawingAreas(struct GadgetInfo *gi)
6392 {
6393   static boolean started_inside_drawing_area = FALSE;
6394   int id = gi->custom_id;
6395   boolean button_press_event;
6396   boolean button_release_event;
6397   boolean inside_drawing_area = !gi->event.off_borders;
6398   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
6399   int actual_drawing_function;
6400   int button = gi->event.button;
6401   int new_element = BUTTON_ELEMENT(button);
6402   int sx = gi->event.x, sy = gi->event.y;
6403   int min_sx = 0, min_sy = 0;
6404   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
6405   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
6406   int lx = 0, ly = 0;
6407   int min_lx = 0, min_ly = 0;
6408   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
6409   int x, y;
6410
6411   /* handle info callback for each invocation of action callback */
6412   gi->callback_info(gi);
6413
6414   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
6415   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
6416
6417   /* make sure to stay inside drawing area boundaries */
6418   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
6419   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
6420
6421   if (draw_level)
6422   {
6423     /* get positions inside level field */
6424     lx = sx + level_xpos;
6425     ly = sy + level_ypos;
6426
6427     if (!IN_LEV_FIELD(lx, ly))
6428       inside_drawing_area = FALSE;
6429
6430     /* make sure to stay inside level field boundaries */
6431     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
6432     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
6433
6434     /* correct drawing area positions accordingly */
6435     sx = lx - level_xpos;
6436     sy = ly - level_ypos;
6437   }
6438
6439   if (button_press_event)
6440     started_inside_drawing_area = inside_drawing_area;
6441
6442   if (!started_inside_drawing_area)
6443     return;
6444
6445   if (!button && !button_release_event)
6446     return;
6447
6448   /* automatically switch to 'single item' drawing mode, if needed */
6449   actual_drawing_function =
6450     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
6451      drawing_function : GADGET_ID_SINGLE_ITEMS);
6452
6453   /* clicking into drawing area with pressed Control key picks element */
6454   if (GetKeyModState() & KMOD_Control)
6455     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
6456
6457   switch (actual_drawing_function)
6458   {
6459     case GADGET_ID_SINGLE_ITEMS:
6460       if (draw_level)
6461       {
6462         if (button_release_event)
6463         {
6464           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6465
6466           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
6467               !inside_drawing_area)
6468             DeleteBrushFromCursor();
6469         }
6470
6471         if (!button)
6472           break;
6473
6474         if (draw_with_brush)
6475         {
6476           if (!button_release_event)
6477             CopyBrushToLevel(sx, sy, button);
6478         }
6479         else if (new_element != Feld[lx][ly])
6480         {
6481           if (new_element == EL_PLAYER_1)
6482           {
6483             /* remove player at old position */
6484             for(y=0; y<lev_fieldy; y++)
6485             {
6486               for(x=0; x<lev_fieldx; x++)
6487               {
6488                 if (Feld[x][y] == EL_PLAYER_1)
6489                 {
6490                   Feld[x][y] = EL_EMPTY;
6491                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
6492                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
6493                     DrawMiniElement(x - level_xpos, y - level_ypos,
6494                                     EL_EMPTY);
6495                 }
6496               }
6497             }
6498           }
6499
6500           Feld[lx][ly] = new_element;
6501           DrawMiniElement(sx, sy, new_element);
6502         }
6503       }
6504       else
6505       {
6506         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
6507           DrawMiniGraphicExt(drawto,
6508                              gi->x + sx * MINI_TILEX,
6509                              gi->y + sy * MINI_TILEY,
6510                              el2edimg(new_element));
6511         else
6512           DrawGraphicExt(drawto,
6513                          gi->x + sx * TILEX,
6514                          gi->y + sy * TILEY,
6515                          el2img(new_element), 0);
6516
6517         if (id == GADGET_ID_AMOEBA_CONTENT)
6518           level.amoeba_content = new_element;
6519         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6520         {
6521           new_element = GFX_ELEMENT(new_element);
6522           custom_element.gfx_element = new_element;
6523
6524           CopyCustomElementPropertiesToGame(properties_element);
6525
6526           UpdateCustomElementGraphicGadgets();
6527
6528           FrameCounter = 0;     /* restart animation frame counter */
6529         }
6530         else if (id == GADGET_ID_CUSTOM_CONTENT)
6531         {
6532           custom_element.content[sx][sy] = new_element;
6533
6534           CopyCustomElementPropertiesToGame(properties_element);
6535         }
6536         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6537         {
6538           custom_element_change.target_element = new_element;
6539
6540           CopyCustomElementPropertiesToGame(properties_element);
6541         }
6542         else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6543         {
6544           custom_element_change.content[sx][sy] = new_element;
6545
6546           CopyCustomElementPropertiesToGame(properties_element);
6547         }
6548         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6549         {
6550           custom_element_change.trigger_element = new_element;
6551
6552           CopyCustomElementPropertiesToGame(properties_element);
6553         }
6554         else if (id == GADGET_ID_RANDOM_BACKGROUND)
6555           random_placement_background_element = new_element;
6556         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6557                  id <= GADGET_ID_ELEMENT_CONTENT_7)
6558           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
6559             new_element;
6560       }
6561       break;
6562
6563     case GADGET_ID_CONNECTED_ITEMS:
6564       {
6565         static int last_sx = -1;
6566         static int last_sy = -1;
6567
6568         if (button_release_event)
6569           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6570
6571         if (button)
6572         {
6573           if (!button_press_event)
6574             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
6575
6576           last_sx = sx;
6577           last_sy = sy;
6578         }
6579       }
6580       break;
6581
6582     case GADGET_ID_LINE:
6583     case GADGET_ID_ARC:
6584     case GADGET_ID_RECTANGLE:
6585     case GADGET_ID_FILLED_BOX:
6586     case GADGET_ID_GRAB_BRUSH:
6587     case GADGET_ID_TEXT:
6588       {
6589         static int last_sx = -1;
6590         static int last_sy = -1;
6591         static int start_sx = -1;
6592         static int start_sy = -1;
6593         void (*draw_func)(int, int, int, int, int, boolean);
6594
6595         if (drawing_function == GADGET_ID_LINE)
6596           draw_func = DrawLine;
6597         else if (drawing_function == GADGET_ID_ARC)
6598           draw_func = DrawArc;
6599         else if (drawing_function == GADGET_ID_RECTANGLE)
6600           draw_func = DrawBox;
6601         else if (drawing_function == GADGET_ID_FILLED_BOX)
6602           draw_func = DrawFilledBox;
6603         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
6604           draw_func = SelectArea;
6605         else /* (drawing_function == GADGET_ID_TEXT) */
6606           draw_func = SetTextCursor;
6607
6608         if (button_press_event)
6609         {
6610           draw_func(sx, sy, sx, sy, new_element, FALSE);
6611           start_sx = last_sx = sx;
6612           start_sy = last_sy = sy;
6613
6614           if (drawing_function == GADGET_ID_TEXT)
6615             DrawLevelText(0, 0, 0, TEXT_END);
6616         }
6617         else if (button_release_event)
6618         {
6619           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
6620           if (drawing_function == GADGET_ID_GRAB_BRUSH)
6621           {
6622             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
6623             CopyBrushToCursor(sx, sy);
6624             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
6625                           MB_LEFTBUTTON);
6626             draw_with_brush = TRUE;
6627           }
6628           else if (drawing_function == GADGET_ID_TEXT)
6629             DrawLevelText(sx, sy, 0, TEXT_INIT);
6630           else
6631             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6632         }
6633         else if (last_sx != sx || last_sy != sy)
6634         {
6635           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
6636           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
6637           last_sx = sx;
6638           last_sy = sy;
6639         }
6640       }
6641       break;
6642
6643     case GADGET_ID_FLOOD_FILL:
6644       if (button_press_event && Feld[lx][ly] != new_element)
6645       {
6646         FloodFill(lx, ly, new_element);
6647         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6648         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6649       }
6650       break;
6651
6652     case GADGET_ID_PICK_ELEMENT:
6653       if (button_release_event)
6654         ClickOnGadget(level_editor_gadget[last_drawing_function],
6655                       MB_LEFTBUTTON);
6656       else if (draw_level)
6657         PickDrawingElement(button, Feld[lx][ly]);
6658       else if (id == GADGET_ID_AMOEBA_CONTENT)
6659         PickDrawingElement(button, level.amoeba_content);
6660       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6661         PickDrawingElement(button, custom_element.gfx_element);
6662       else if (id == GADGET_ID_CUSTOM_CONTENT)
6663         PickDrawingElement(button, custom_element.content[sx][sy]);
6664       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6665         PickDrawingElement(button, custom_element_change.target_element);
6666       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6667         PickDrawingElement(button, custom_element_change.content[sx][sy]);
6668       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6669         PickDrawingElement(button, custom_element_change.trigger_element);
6670       else if (id == GADGET_ID_RANDOM_BACKGROUND)
6671         PickDrawingElement(button, random_placement_background_element);
6672       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6673                id <= GADGET_ID_ELEMENT_CONTENT_7)
6674       {
6675         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
6676
6677         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
6678       }
6679
6680       break;
6681
6682     default:
6683       break;
6684   }
6685 }
6686
6687 static void HandleCounterButtons(struct GadgetInfo *gi)
6688 {
6689   int gadget_id = gi->custom_id;
6690   int counter_id = gi->custom_type_id;
6691   int button = gi->event.button;
6692   int *counter_value = counterbutton_info[counter_id].value;
6693   int step = BUTTON_STEPSIZE(button) *
6694     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
6695
6696   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
6697   {
6698     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
6699     boolean released = (gi->event.type == GD_EVENT_RELEASED);
6700     boolean level_changed = LevelChanged();
6701
6702     if ((level_changed && pressed) || (!level_changed && released))
6703       return;
6704
6705     if (level_changed && !Request("Level has changed! Discard changes ?",
6706                                   REQ_ASK))
6707     {
6708       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
6709         ModifyEditorCounter(counter_id, *counter_value);
6710       return;
6711     }
6712   }
6713
6714   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
6715     *counter_value = gi->textinput.number_value;
6716   else
6717     ModifyEditorCounter(counter_id, *counter_value + step);
6718
6719   switch (counter_id)
6720   {
6721     case ED_COUNTER_ID_ELEMENT_CONTENT:
6722       DrawElementContentAreas();
6723       break;
6724
6725     case ED_COUNTER_ID_ENVELOPE_XSIZE:
6726     case ED_COUNTER_ID_ENVELOPE_YSIZE:
6727       DrawEnvelopeTextArea(-1);
6728       break;
6729
6730     case ED_COUNTER_ID_LEVEL_XSIZE:
6731     case ED_COUNTER_ID_LEVEL_YSIZE:
6732       lev_fieldx = level.fieldx;
6733       lev_fieldy = level.fieldy;
6734       break;
6735
6736     case ED_COUNTER_ID_SELECT_LEVEL:
6737       LoadLevel(level_nr);
6738       TapeErase();
6739       ResetUndoBuffer();
6740       DrawEditModeWindow();
6741       break;
6742
6743     default:
6744       break;
6745   }
6746
6747   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
6748        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
6749       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
6750        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
6751     CopyCustomElementPropertiesToGame(properties_element);
6752 }
6753
6754 static void HandleTextInputGadgets(struct GadgetInfo *gi)
6755 {
6756   int type_id = gi->custom_type_id;
6757
6758   strcpy(textinput_info[type_id].value, gi->textinput.value);
6759
6760   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
6761   {
6762     CopyCustomElementPropertiesToGame(properties_element);
6763
6764     ModifyEditorElementList();  /* update changed button info text */
6765   }
6766 }
6767
6768 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
6769 {
6770   int type_id = gi->custom_type_id;
6771
6772   strcpy(textarea_info[type_id].value, gi->textarea.value);
6773 }
6774
6775 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
6776 {
6777   int type_id = gi->custom_type_id;
6778
6779   *selectbox_info[type_id].value =
6780     selectbox_info[type_id].options[gi->selectbox.index].value;
6781
6782   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
6783   {
6784     element_info[properties_element].current_change_page = gi->selectbox.index;
6785
6786     DrawPropertiesWindow();
6787   }
6788   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
6789             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
6790            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
6791             type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
6792     CopyCustomElementPropertiesToGame(properties_element);
6793 }
6794
6795 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
6796 {
6797   int type_id = gi->custom_type_id;
6798   int i;
6799
6800   if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
6801       type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
6802   {
6803     edit_mode_properties = gi->custom_type_id;
6804
6805     DrawPropertiesWindow();
6806   }
6807   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
6808   {
6809     boolean new_template = (!LevelFileExists(-1));
6810
6811     if (new_template ||
6812         Request("Save this tem- plate and kill the old ?", REQ_ASK))
6813       SaveLevelTemplate();
6814
6815     if (new_template)
6816       Request("Tem- plate saved !", REQ_CONFIRM);
6817   }
6818   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
6819            custom_element.num_change_pages < MAX_CHANGE_PAGES)
6820   {
6821     struct ElementInfo *ei = &element_info[properties_element];
6822
6823     setElementChangePages(ei, ei->num_change_pages + 1);
6824
6825     /* set new change page to be new current change page */
6826     ei->current_change_page = ei->num_change_pages - 1;
6827     ei->change = &ei->change_page[ei->current_change_page];
6828
6829     setElementChangeInfoToDefaults(ei->change);
6830
6831     DrawPropertiesWindow();
6832   }
6833   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6834            custom_element.num_change_pages > MIN_CHANGE_PAGES)
6835   {
6836     struct ElementInfo *ei = &element_info[properties_element];
6837
6838     /* copy all change pages after change page to be deleted */
6839     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
6840       ei->change_page[i] = ei->change_page[i + 1];
6841
6842     setElementChangePages(ei, ei->num_change_pages - 1);
6843
6844     DrawPropertiesWindow();
6845   }
6846 }
6847
6848 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
6849 {
6850   int type_id = gi->custom_type_id;
6851
6852   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
6853       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
6854   {
6855     struct ElementInfo *ei = &element_info[properties_element];
6856     int step = BUTTON_STEPSIZE(gi->event.button);
6857
6858     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
6859     ei->current_change_page += step;
6860
6861     if (ei->current_change_page < 0)
6862       ei->current_change_page = 0;
6863     else if (ei->current_change_page >= ei->num_change_pages)
6864       ei->current_change_page = ei->num_change_pages - 1;
6865
6866     DrawPropertiesWindow();
6867   }
6868 }
6869
6870 static void HandleRadiobuttons(struct GadgetInfo *gi)
6871 {
6872   *radiobutton_info[gi->custom_type_id].value =
6873     radiobutton_info[gi->custom_type_id].checked_value;
6874 }
6875
6876 static void HandleCheckbuttons(struct GadgetInfo *gi)
6877 {
6878   int type_id = gi->custom_type_id;
6879
6880   *checkbutton_info[type_id].value ^= TRUE;
6881
6882   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
6883        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
6884       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
6885        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST &&
6886        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
6887   {
6888     CopyCustomElementPropertiesToGame(properties_element);
6889   }
6890
6891   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
6892   {
6893     UpdateCustomElementGraphicGadgets();
6894   }
6895   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
6896   {
6897     if (level.use_custom_template && !LevelFileExists(-1))
6898     {
6899       Request("No level tem- plate found !", REQ_CONFIRM);
6900
6901       level.use_custom_template = FALSE;
6902       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
6903
6904       return;
6905     }
6906
6907     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
6908
6909     DrawEditModeWindow();
6910   }
6911 }
6912
6913 static void HandleControlButtons(struct GadgetInfo *gi)
6914 {
6915   int id = gi->custom_id;
6916   int button = gi->event.button;
6917   int step = BUTTON_STEPSIZE(button);
6918   int new_element = BUTTON_ELEMENT(button);
6919   int x, y;
6920
6921   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
6922     DrawLevelText(0, 0, 0, TEXT_END);
6923
6924   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
6925       id != GADGET_ID_PICK_ELEMENT && edit_mode != ED_MODE_DRAWING &&
6926       drawing_function != GADGET_ID_PICK_ELEMENT &&
6927       !(GetKeyModState() & KMOD_Control))
6928   {
6929     DrawDrawingWindow();
6930     edit_mode = ED_MODE_DRAWING;
6931   }
6932
6933   switch (id)
6934   {
6935     case GADGET_ID_SCROLL_LEFT:
6936       if (level_xpos >= 0)
6937       {
6938         if (lev_fieldx < ed_fieldx - 2)
6939           break;
6940
6941         level_xpos -= step;
6942         if (level_xpos < -1)
6943           level_xpos = -1;
6944         if (button == 1)
6945           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
6946         else
6947           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6948
6949         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6950                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6951       }
6952       break;
6953
6954     case GADGET_ID_SCROLL_RIGHT:
6955       if (level_xpos <= lev_fieldx - ed_fieldx)
6956       {
6957         if (lev_fieldx < ed_fieldx - 2)
6958           break;
6959
6960         level_xpos += step;
6961         if (level_xpos > lev_fieldx - ed_fieldx + 1)
6962           level_xpos = lev_fieldx - ed_fieldx + 1;
6963         if (button == 1)
6964           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
6965         else
6966           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6967
6968         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6969                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6970       }
6971       break;
6972
6973     case GADGET_ID_SCROLL_UP:
6974       if (level_ypos >= 0)
6975       {
6976         if (lev_fieldy < ed_fieldy - 2)
6977           break;
6978
6979         level_ypos -= step;
6980         if (level_ypos < -1)
6981           level_ypos = -1;
6982         if (button == 1)
6983           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
6984         else
6985           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6986
6987         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6988                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6989       }
6990       break;
6991
6992     case GADGET_ID_SCROLL_DOWN:
6993       if (level_ypos <= lev_fieldy - ed_fieldy)
6994       {
6995         if (lev_fieldy < ed_fieldy - 2)
6996           break;
6997
6998         level_ypos += step;
6999         if (level_ypos > lev_fieldy - ed_fieldy + 1)
7000           level_ypos = lev_fieldy - ed_fieldy + 1;
7001         if (button == 1)
7002           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
7003         else
7004           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7005
7006         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7007                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
7008       }
7009       break;
7010
7011     case GADGET_ID_SCROLL_HORIZONTAL:
7012       level_xpos = gi->event.item_position - 1;
7013       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7014       break;
7015
7016     case GADGET_ID_SCROLL_VERTICAL:
7017       level_ypos = gi->event.item_position - 1;
7018       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7019       break;
7020
7021     case GADGET_ID_SCROLL_LIST_UP:
7022     case GADGET_ID_SCROLL_LIST_DOWN:
7023     case GADGET_ID_SCROLL_LIST_VERTICAL:
7024       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
7025         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
7026       else
7027       {
7028         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
7029         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
7030
7031         if (element_shift < 0)
7032           element_shift = 0;
7033         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7034           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7035
7036         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
7037                      GDI_SCROLLBAR_ITEM_POSITION,
7038                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
7039       }
7040
7041       ModifyEditorElementList();
7042
7043       break;
7044
7045     case GADGET_ID_WRAP_LEFT:
7046       WrapLevel(-step, 0);
7047       break;
7048
7049     case GADGET_ID_WRAP_RIGHT:
7050       WrapLevel(step, 0);
7051       break;
7052
7053     case GADGET_ID_WRAP_UP:
7054       WrapLevel(0, -step);
7055       break;
7056
7057     case GADGET_ID_WRAP_DOWN:
7058       WrapLevel(0, step);
7059       break;
7060
7061     case GADGET_ID_SINGLE_ITEMS:
7062     case GADGET_ID_CONNECTED_ITEMS:
7063     case GADGET_ID_LINE:
7064     case GADGET_ID_ARC:
7065     case GADGET_ID_TEXT:
7066     case GADGET_ID_RECTANGLE:
7067     case GADGET_ID_FILLED_BOX:
7068     case GADGET_ID_FLOOD_FILL:
7069     case GADGET_ID_GRAB_BRUSH:
7070     case GADGET_ID_PICK_ELEMENT:
7071       if (drawing_function != GADGET_ID_PICK_ELEMENT)
7072         last_drawing_function = drawing_function;
7073       drawing_function = id;
7074       draw_with_brush = FALSE;
7075       break;
7076
7077     case GADGET_ID_RANDOM_PLACEMENT:
7078       RandomPlacement(new_element);
7079       break;
7080
7081     case GADGET_ID_PROPERTIES:
7082       if (edit_mode != ED_MODE_PROPERTIES)
7083       {
7084         properties_element = new_element;
7085         DrawPropertiesWindow();
7086         edit_mode = ED_MODE_PROPERTIES;
7087       }
7088       else
7089       {
7090         DrawDrawingWindow();
7091         edit_mode = ED_MODE_DRAWING;
7092       }
7093       break;
7094
7095     case GADGET_ID_UNDO:
7096       if (undo_buffer_steps == 0)
7097       {
7098         Request("Undo buffer empty !", REQ_CONFIRM);
7099         break;
7100       }
7101
7102       if (edit_mode != ED_MODE_DRAWING)
7103       {
7104         DrawDrawingWindow();
7105         edit_mode = ED_MODE_DRAWING;
7106       }
7107
7108       undo_buffer_position =
7109         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
7110       undo_buffer_steps--;
7111
7112       for(x=0; x<lev_fieldx; x++)
7113         for(y=0; y<lev_fieldy; y++)
7114           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
7115       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
7116       break;
7117
7118     case GADGET_ID_INFO:
7119       if (edit_mode != ED_MODE_INFO)
7120       {
7121         DrawLevelInfoWindow();
7122         edit_mode = ED_MODE_INFO;
7123       }
7124       else
7125       {
7126         DrawDrawingWindow();
7127         edit_mode = ED_MODE_DRAWING;
7128       }
7129       break;
7130
7131     case GADGET_ID_CLEAR:
7132       if (edit_mode != ED_MODE_DRAWING)
7133       {
7134         DrawDrawingWindow();
7135         edit_mode = ED_MODE_DRAWING;
7136       }
7137
7138       for(x=0; x<MAX_LEV_FIELDX; x++)
7139         for(y=0; y<MAX_LEV_FIELDY; y++)
7140           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
7141       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
7142
7143       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7144       break;
7145
7146     case GADGET_ID_SAVE:
7147       if (leveldir_current->readonly)
7148       {
7149         Request("This level is read only !", REQ_CONFIRM);
7150         break;
7151       }
7152
7153       if (!LevelContainsPlayer)
7154         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
7155       else
7156       {
7157         boolean new_level = (!LevelFileExists(level_nr));
7158
7159         if (new_level ||
7160             Request("Save this level and kill the old ?", REQ_ASK))
7161         {
7162           CopyPlayfield(Feld, level.field);
7163
7164           SaveLevel(level_nr);
7165         }
7166
7167         if (new_level)
7168           Request("Level saved !", REQ_CONFIRM);
7169       }
7170       break;
7171
7172     case GADGET_ID_TEST:
7173       if (!LevelContainsPlayer)
7174         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
7175       else
7176       {
7177         if (LevelChanged())
7178           level.game_version = GAME_VERSION_ACTUAL;
7179
7180         CopyPlayfield(level.field, FieldBackup);
7181         CopyPlayfield(Feld, level.field);
7182
7183         UnmapLevelEditorGadgets();
7184         UndrawSpecialEditorDoor();
7185
7186         CloseDoor(DOOR_CLOSE_ALL);
7187
7188         DrawCompleteVideoDisplay();
7189
7190         if (setup.autorecord)
7191           TapeStartRecording();
7192
7193         level_editor_test_game = TRUE;
7194         game_status = GAME_MODE_PLAYING;
7195
7196         InitGame();
7197       }
7198       break;
7199
7200     case GADGET_ID_EXIT:
7201       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
7202       break;
7203
7204     default:
7205       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
7206           id <= GADGET_ID_ELEMENTLIST_LAST)
7207       {
7208         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
7209         int new_element = editor_elements[element_position + element_shift];
7210
7211         PickDrawingElement(button, new_element);
7212
7213         if (!stick_element_properties_window &&
7214             drawing_function != GADGET_ID_PICK_ELEMENT &&
7215             !(GetKeyModState() & KMOD_Control))
7216         {
7217           properties_element = new_element;
7218           if (edit_mode == ED_MODE_PROPERTIES)
7219             DrawPropertiesWindow();
7220         }
7221
7222         if (drawing_function == GADGET_ID_PICK_ELEMENT)
7223           ClickOnGadget(level_editor_gadget[last_drawing_function],
7224                         MB_LEFTBUTTON);
7225       }
7226 #ifdef DEBUG
7227       else if (gi->event.type == GD_EVENT_PRESSED)
7228         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
7229       else if (gi->event.type == GD_EVENT_RELEASED)
7230         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
7231       else if (gi->event.type == GD_EVENT_MOVING)
7232         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
7233       else
7234         printf("default: HandleControlButtons: ? (id == %d)\n", id);
7235 #endif
7236       break;
7237   }
7238 }
7239
7240 void HandleLevelEditorKeyInput(Key key)
7241 {
7242   char letter = getCharFromKey(key);
7243   int button = MB_LEFTBUTTON;
7244
7245   if (drawing_function == GADGET_ID_TEXT &&
7246       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
7247   {
7248     if (letter)
7249       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
7250     else if (key == KSYM_Delete || key == KSYM_BackSpace)
7251       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
7252     else if (key == KSYM_Return)
7253       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
7254     else if (key == KSYM_Escape)
7255       DrawLevelText(0, 0, 0, TEXT_END);
7256   }
7257   else if (button_status == MB_RELEASED)
7258   {
7259     int i, id = GADGET_ID_NONE;
7260
7261     switch (key)
7262     {
7263       case KSYM_Left:
7264         id = GADGET_ID_SCROLL_LEFT;
7265         break;
7266       case KSYM_Right:
7267         id = GADGET_ID_SCROLL_RIGHT;
7268         break;
7269       case KSYM_Up:
7270         id = GADGET_ID_SCROLL_UP;
7271         break;
7272       case KSYM_Down:
7273         id = GADGET_ID_SCROLL_DOWN;
7274         break;
7275       case KSYM_Page_Up:
7276         id = GADGET_ID_SCROLL_LIST_UP;
7277         button = MB_RIGHTBUTTON;
7278         break;
7279       case KSYM_Page_Down:
7280         id = GADGET_ID_SCROLL_LIST_DOWN;
7281         button = MB_RIGHTBUTTON;
7282         break;
7283
7284       case KSYM_Escape:
7285         if (edit_mode == ED_MODE_DRAWING)
7286         {
7287           RequestExitLevelEditor(setup.ask_on_escape);
7288         }
7289         else
7290         {
7291           DrawDrawingWindow();
7292           edit_mode = ED_MODE_DRAWING;
7293         }
7294         break;
7295
7296       default:
7297         break;
7298     }
7299
7300     if (id != GADGET_ID_NONE)
7301       ClickOnGadget(level_editor_gadget[id], button);
7302     else if (letter == '.')
7303       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
7304     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
7305       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
7306     else
7307       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
7308         if (letter && letter == control_info[i].shortcut)
7309           if (!anyTextGadgetActive())
7310             ClickOnGadget(level_editor_gadget[i], button);
7311   }
7312 }
7313
7314 void HandleLevelEditorIdle()
7315 {
7316   static unsigned long action_delay = 0;
7317   unsigned long action_delay_value = GameFrameDelay;
7318   int xpos = 1, ypos = 2;
7319
7320   if (edit_mode != ED_MODE_PROPERTIES)
7321     return;
7322
7323   if (!DelayReached(&action_delay, action_delay_value))
7324     return;
7325
7326   DrawGraphicAnimationExt(drawto,
7327                           SX + xpos * TILEX,
7328                           SY + ypos * TILEY + MINI_TILEY / 2,
7329                           el2img(properties_element), -1, NO_MASKING);
7330
7331   MarkTileDirty(xpos, ypos);
7332   MarkTileDirty(xpos, ypos + 1);
7333
7334   FrameCounter++;       /* increase animation frame counter */
7335 }
7336
7337 void ClearEditorGadgetInfoText()
7338 {
7339   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
7340 }
7341
7342 void HandleEditorGadgetInfoText(void *ptr)
7343 {
7344   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
7345   char infotext[MAX_OUTPUT_LINESIZE + 1];
7346   char shortcut[MAX_OUTPUT_LINESIZE + 1];
7347   int max_infotext_len = getMaxInfoTextLength();
7348
7349   if (game_status != GAME_MODE_EDITOR)
7350     return;
7351
7352   ClearEditorGadgetInfoText();
7353
7354   if (gi->event.type == GD_EVENT_INFO_LEAVING)
7355     return;
7356
7357   /* misuse this function to delete brush cursor, if needed */
7358   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
7359     DeleteBrushFromCursor();
7360
7361   if (gi == NULL || gi->info_text == NULL)
7362     return;
7363
7364   strncpy(infotext, gi->info_text, max_infotext_len);
7365   infotext[max_infotext_len] = '\0';
7366
7367   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
7368   {
7369     int key = control_info[gi->custom_id].shortcut;
7370
7371     if (key)
7372     {
7373       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
7374         sprintf(shortcut, " ('.' or '%c')", key);
7375       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
7376         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
7377       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
7378         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
7379       else                                              /* normal case */
7380         sprintf(shortcut, " ('%s%c')",
7381                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
7382
7383       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
7384         strcat(infotext, shortcut);
7385     }
7386   }
7387
7388   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
7389 }
7390
7391 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
7392 {
7393   static int start_lx, start_ly;
7394   char *infotext;
7395   int id = gi->custom_id;
7396   int sx = gi->event.x;
7397   int sy = gi->event.y;
7398   int lx = sx + level_xpos;
7399   int ly = sy + level_ypos;
7400   int min_sx = 0, min_sy = 0;
7401   int max_sx = gi->drawing.area_xsize - 1;
7402   int max_sy = gi->drawing.area_ysize - 1;
7403   int actual_drawing_function = drawing_function;
7404
7405   /* pressed Control key: simulate picking element */
7406   if (GetKeyModState() & KMOD_Control)
7407     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
7408
7409   ClearEditorGadgetInfoText();
7410
7411   if (gi->event.type == GD_EVENT_INFO_LEAVING)
7412     return;
7413
7414   /* make sure to stay inside drawing area boundaries */
7415   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
7416   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
7417
7418   if (id == GADGET_ID_DRAWING_LEVEL)
7419   {
7420     if (button_status)
7421     {
7422       int min_lx = 0, min_ly = 0;
7423       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
7424
7425       /* get positions inside level field */
7426       lx = sx + level_xpos;
7427       ly = sy + level_ypos;
7428
7429       /* make sure to stay inside level field boundaries */
7430       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
7431       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
7432
7433       /* correct drawing area positions accordingly */
7434       sx = lx - level_xpos;
7435       sy = ly - level_ypos;
7436     }
7437
7438     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
7439     {
7440       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
7441       {
7442         if (gi->event.type == GD_EVENT_PRESSED)
7443         {
7444           start_lx = lx;
7445           start_ly = ly;
7446         }
7447
7448         switch (actual_drawing_function)
7449         {
7450           case GADGET_ID_SINGLE_ITEMS:
7451             infotext = "Drawing single items";
7452             break;
7453           case GADGET_ID_CONNECTED_ITEMS:
7454             infotext = "Drawing connected items";
7455             break;
7456           case GADGET_ID_LINE:
7457             infotext = "Drawing line";
7458             break;
7459           case GADGET_ID_ARC:
7460             infotext = "Drawing arc";
7461             break;
7462           case GADGET_ID_TEXT:
7463             infotext = "Setting text cursor";
7464             break;
7465           case GADGET_ID_RECTANGLE:
7466             infotext = "Drawing rectangle";
7467             break;
7468           case GADGET_ID_FILLED_BOX:
7469             infotext = "Drawing filled box";
7470             break;
7471           case GADGET_ID_FLOOD_FILL:
7472             infotext = "Flood fill";
7473             break;
7474           case GADGET_ID_GRAB_BRUSH:
7475             infotext = "Grabbing brush";
7476             break;
7477           case GADGET_ID_PICK_ELEMENT:
7478             infotext = "Picking element";
7479             break;
7480
7481           default:
7482             infotext = "Drawing position";
7483             break;
7484         }
7485
7486         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
7487           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7488                     "%s: %d, %d", infotext, lx, ly);
7489         else
7490           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7491                     "%s: %d, %d", infotext,
7492                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
7493       }
7494       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
7495         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7496                   "%s", getElementInfoText(Feld[lx][ly]));
7497       else
7498         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7499                   "Level position: %d, %d", lx, ly);
7500     }
7501
7502     /* misuse this function to draw brush cursor, if needed */
7503     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
7504     {
7505       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
7506         CopyBrushToCursor(sx, sy);
7507       else
7508         DeleteBrushFromCursor();
7509     }
7510   }
7511   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
7512   {
7513     if (id == GADGET_ID_AMOEBA_CONTENT)
7514       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7515                 getElementInfoText(level.amoeba_content));
7516     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
7517       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7518                 getElementInfoText(custom_element.gfx_element));
7519     else if (id == GADGET_ID_CUSTOM_CONTENT)
7520       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7521                 getElementInfoText(custom_element.content[sx][sy]));
7522     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
7523       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7524                 getElementInfoText(custom_element_change.target_element));
7525     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
7526       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7527                 getElementInfoText(custom_element_change.content[sx][sy]));
7528     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
7529       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7530                 getElementInfoText(custom_element_change.trigger_element));
7531     else if (id == GADGET_ID_RANDOM_BACKGROUND)
7532       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7533                 getElementInfoText(random_placement_background_element));
7534     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
7535              id <= GADGET_ID_ELEMENT_CONTENT_7)
7536     {
7537       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
7538
7539       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7540                 getElementInfoText(level.yamyam_content[i][sx][sy]));
7541     }
7542   }
7543   else
7544   {
7545     if (id == GADGET_ID_AMOEBA_CONTENT)
7546       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7547                 "Amoeba content");
7548     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
7549       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7550                 "Custom graphic element");
7551     else if (id == GADGET_ID_CUSTOM_CONTENT)
7552       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7553                 "Custom element content position: %d, %d", sx, sy);
7554     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
7555       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7556                 "New element after change");
7557     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
7558       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7559                 "New extended elements after change");
7560     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
7561       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7562                 "Other element triggering change");
7563     else if (id == GADGET_ID_RANDOM_BACKGROUND)
7564       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7565                 "Random placement background");
7566     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
7567              id <= GADGET_ID_ELEMENT_CONTENT_7)
7568       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7569                 "Content area %d position: %d, %d",
7570                 id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
7571   }
7572 }
7573
7574 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
7575 {
7576   if (!ask_if_level_has_changed ||
7577       !LevelChanged() ||
7578       Request("Level has changed! Exit without saving ?",
7579               REQ_ASK | REQ_STAY_OPEN))
7580   {
7581 #if 1
7582     CloseDoor(DOOR_CLOSE_1);
7583     SetDoorState(DOOR_CLOSE_2);
7584 #else
7585     CloseDoor(DOOR_CLOSE_ALL);
7586 #endif
7587     game_status = GAME_MODE_MAIN;
7588     DrawMainMenu();
7589   }
7590   else
7591   {
7592     CloseDoor(DOOR_CLOSE_1);
7593     BlitBitmap(bitmap_db_door, bitmap_db_door,
7594                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
7595                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
7596     OpenDoor(DOOR_OPEN_1);
7597   }
7598 }