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