src/editor.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2002 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * editor.c                                                 *
  12 ***********************************************************/
  13
  14 #include <math.h>
  15
  16 #include "libgame/libgame.h"
  17
  18 #include "editor.h"
  19 #include "screens.h"
  20 #include "tools.h"
  21 #include "files.h"
  22 #include "game.h"
  23 #include "init.h"
  24 #include "tape.h"
  25
  26
  27 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  28
  29
  30 /*
  31   -----------------------------------------------------------------------------
  32   screen and artwork graphic pixel position definitions
  33   -----------------------------------------------------------------------------
  34 */
  35
  36 /* positions in the level editor */
  37 #define ED_WIN_MB_LEFT_XPOS             6
  38 #define ED_WIN_MB_LEFT_YPOS             258
  39 #define ED_WIN_MB_MIDDLE_XPOS           42
  40 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  41 #define ED_WIN_MB_RIGHT_XPOS            78
  42 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  43
  44 /* values for the control window */
  45 #define ED_CTRL_BUTTONS_GFX_YPOS        236
  46 #define ED_CTRL_BUTTONS_ALT_GFX_YPOS    142
  47
  48 #define ED_CTRL1_BUTTONS_HORIZ          4
  49 #define ED_CTRL1_BUTTONS_VERT           4
  50 #define ED_CTRL1_BUTTON_XSIZE           22
  51 #define ED_CTRL1_BUTTON_YSIZE           22
  52 #define ED_CTRL1_BUTTONS_XPOS           6
  53 #define ED_CTRL1_BUTTONS_YPOS           6
  54 #define ED_CTRL2_BUTTONS_HORIZ          3
  55 #define ED_CTRL2_BUTTONS_VERT           2
  56 #define ED_CTRL2_BUTTON_XSIZE           30
  57 #define ED_CTRL2_BUTTON_YSIZE           20
  58 #define ED_CTRL2_BUTTONS_XPOS           5
  59 #define ED_CTRL2_BUTTONS_YPOS           99
  60 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  61 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  62 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
  63
  64 /* values for the element list */
  65 #define ED_ELEMENTLIST_XPOS             5
  66 #define ED_ELEMENTLIST_YPOS             30
  67 #define ED_ELEMENTLIST_XSIZE            20
  68 #define ED_ELEMENTLIST_YSIZE            20
  69 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  70 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  71 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  72                                          ED_ELEMENTLIST_BUTTONS_VERT)
  73
  74 /* standard distances */
  75 #define ED_BORDER_SIZE                  3
  76 #define ED_BORDER_TEXT_XSIZE            5
  77 #define ED_BORDER_AREA_YSIZE            1
  78
  79 #define ED_GADGET_DISTANCE              2
  80 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
  81 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE + \
  82                                          MINI_TILEX / 2)
  83
  84 /* values for the setting windows */
  85 #define ED_SETTINGS_XSTART              (3 * MINI_TILEX / 2)
  86 #define ED_SETTINGS_YSTART              (MINI_TILEY * 10)
  87
  88 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE + \
  89                                          2 * ED_GADGET_DISTANCE)
  90
  91 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
  92 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
  93
  94 #define ED_SETTINGS_XPOS(n)             (ED_SETTINGS_XSTART + \
  95                                          n * ED_SETTINGS_XOFFSET)
  96 #define ED_SETTINGS_YPOS(n)             (ED_SETTINGS_YSTART + \
  97                                          n * ED_SETTINGS_YOFFSET)
  98
  99 #define ED_SETTINGS1_YPOS               MINI_TILEY
 100 #define ED_SETTINGS2_XPOS               MINI_TILEX
 101 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
 102
 103 /* values for counter gadgets */
 104 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 105 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 106 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
 107                                          n * ED_COUNTER_YDISTANCE)
 108 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 109                                          n * ED_COUNTER_YDISTANCE - 2)
 110
 111 /* values for element content drawing areas */
 112 /* amoeba content */
 113 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 114 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 115
 116 /* yamyam content */
 117 #define ED_AREA_YAMYAM_CONTENT_XPOS(n)  (ED_AREA_ELEM_CONTENT_XPOS + \
 118                                          5 * (n % 4) * MINI_TILEX)
 119 #define ED_AREA_YAMYAM_CONTENT_YPOS(n)  (ED_AREA_ELEM_CONTENT_YPOS + \
 120                                          6 * (n / 4) * MINI_TILEY)
 121
 122 /* custom change target */
 123 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(2) + \
 124                                          ED_GADGET_DISTANCE)
 125 /* optional custom graphic */
 126 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(1) + \
 127                                          ED_GADGET_DISTANCE)
 128 /* custom element content */
 129 #define ED_AREA_ELEM_CONTENT4_XPOS      (29 * MINI_TILEX)
 130 #define ED_AREA_ELEM_CONTENT4_YPOS      (ED_SETTINGS_YPOS(12) + \
 131                                          ED_GADGET_DISTANCE - MINI_TILEY)
 132 /* custom change trigger element */
 133 #define ED_AREA_ELEM_CONTENT5_YPOS      (ED_SETTINGS_YPOS(6) + \
 134                                          ED_GADGET_DISTANCE)
 135 /* extended custom change target */
 136 #define ED_AREA_ELEM_CONTENT6_XPOS      (29 * MINI_TILEX)
 137 #define ED_AREA_ELEM_CONTENT6_YPOS      (ED_SETTINGS_YPOS(10) + \
 138                                          ED_GADGET_DISTANCE - MINI_TILEY)
 139
 140 /* values for random placement background drawing area */
 141 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 142
 143 /* values for scrolling gadgets for drawing area */
 144 #define ED_SCROLLBUTTON_XPOS            24
 145 #define ED_SCROLLBUTTON_YPOS            0
 146 #define ED_SCROLLBAR_XPOS               24
 147 #define ED_SCROLLBAR_YPOS               64
 148
 149 #define ED_SCROLLBUTTON_XSIZE           16
 150 #define ED_SCROLLBUTTON_YSIZE           16
 151
 152 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 153 #define ED_SCROLL_UP_YPOS               (0)
 154 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 155 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 156 #define ED_SCROLL_LEFT_XPOS             (0)
 157 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 158 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 159 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 160 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 161 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 162 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 163 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 164 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 165 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 166 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 167 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 168
 169 /* values for scrolling gadgets for element list */
 170 #define ED_SCROLLBUTTON2_XPOS           50
 171 #define ED_SCROLLBUTTON2_YPOS           0
 172 #define ED_SCROLLBAR2_XPOS              50
 173 #define ED_SCROLLBAR2_YPOS              20
 174
 175 #define ED_SCROLLBUTTON2_XSIZE          10
 176 #define ED_SCROLLBUTTON2_YSIZE          10
 177
 178 #define ED_SCROLL2_UP_XPOS              85
 179 #define ED_SCROLL2_UP_YPOS              30
 180 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 181 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 182                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 183                                          ED_ELEMENTLIST_YSIZE - \
 184                                          ED_SCROLLBUTTON2_YSIZE)
 185 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 186 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 187                                          ED_SCROLLBUTTON2_YSIZE)
 188 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 189 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 190                                          ED_ELEMENTLIST_YSIZE - \
 191                                          2 * ED_SCROLLBUTTON2_YSIZE)
 192
 193 /* values for checkbutton gadgets */
 194 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 195 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 196 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 197 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 198 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 199 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 200 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 201
 202 /* some positions in the editor control window */
 203 #define ED_BUTTON_ELEM_XPOS             6
 204 #define ED_BUTTON_ELEM_YPOS             30
 205 #define ED_BUTTON_ELEM_XSIZE            22
 206 #define ED_BUTTON_ELEM_YSIZE            22
 207
 208 /* some values for text input, selectbox and counter gadgets */
 209 #define ED_BUTTON_COUNT_YPOS            60
 210 #define ED_BUTTON_COUNT_XSIZE           20
 211 #define ED_BUTTON_COUNT_YSIZE           20
 212 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 213 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 214 #define ED_WIN_COUNT_XSIZE              52
 215 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 216 #define ED_WIN_COUNT2_XPOS              27
 217 #define ED_WIN_COUNT2_YPOS              3
 218 #define ED_WIN_COUNT2_XSIZE             46
 219 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 220
 221 #define ED_BUTTON_MINUS_XPOS            2
 222 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 223 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 224 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 225 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 226                                          ED_WIN_COUNT_XSIZE + 2)
 227 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 228 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 229 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 230
 231 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 232 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 233                                          2 + ED_WIN_COUNT_YSIZE)
 234 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 235 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 236
 237 #define ED_SELECTBOX_BUTTON_XSIZE       14
 238
 239 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 240 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 241                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 242 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 243
 244 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 245 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS + \
 246                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 247 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS + \
 248                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 249
 250 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 251 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 252
 253 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 254 #define INFOTEXT_XPOS                   SX
 255 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 256 #define INFOTEXT_XSIZE                  SXSIZE
 257 #define INFOTEXT_YSIZE                  MINI_TILEX
 258
 259
 260 /*
 261   -----------------------------------------------------------------------------
 262   editor gadget definitions
 263   -----------------------------------------------------------------------------
 264 */
 265
 266 /* drawing toolbox buttons */
 267 #define GADGET_ID_NONE                  -1
 268 #define GADGET_ID_TOOLBOX_FIRST         0
 269
 270 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 271 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 272 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 273 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 274 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 275 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 276 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 277 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 278 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 279 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 280 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 281 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 282 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 283 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 284 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 285 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 286 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 287 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 288 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 289 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 290 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 291 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 292
 293 /* counter button identifiers */
 294 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 295
 296 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 297 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 298 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 299 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 300 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 301 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 302 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 303 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 304 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 305 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 306 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 307 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 308 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 309 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 310 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 311 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 312 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 313 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 314 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 315 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 316 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 317 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 318 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 319 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 320 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 321 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 322 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 323 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 324 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 325 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 29)
 326 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 327 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 328 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 32)
 329 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 33)
 330 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 34)
 331 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 35)
 332 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 36)
 333 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 37)
 334 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 38)
 335 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 336 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 337 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 41)
 338 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 42)
 339 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 43)
 340 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 44)
 341 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 342 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 343 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 47)
 344 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 345 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 346 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 50)
 347 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 51)
 348 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 52)
 349 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 53)
 350 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 54)
 351 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 55)
 352 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 56)
 353 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 354 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 355 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 59)
 356
 357 /* drawing area identifiers */
 358 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 60)
 359
 360 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 361 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 362 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 363 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 364 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 365 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 366 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 367 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 368 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 369 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 370 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 371 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 372 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 373 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 13)
 374 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 14)
 375 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 15)
 376
 377 /* text input identifiers */
 378 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 16)
 379
 380 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 381 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 382 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 383
 384 /* text area identifiers */
 385 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 386
 387 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 388
 389 /* selectbox identifiers */
 390 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 391
 392 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 0)
 393 #define GADGET_ID_CUSTOM_CONSISTENCY    (GADGET_ID_SELECTBOX_FIRST + 1)
 394 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 2)
 395 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 3)
 396 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 4)
 397 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 5)
 398 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 6)
 399 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 7)
 400 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 8)
 401 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 9)
 402 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 10)
 403 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 11)
 404 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 12)
 405 #define GADGET_ID_CHANGE_SIDES          (GADGET_ID_SELECTBOX_FIRST + 13)
 406 #define GADGET_ID_CHANGE_POWER          (GADGET_ID_SELECTBOX_FIRST + 14)
 407 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 15)
 408
 409 /* textbutton identifiers */
 410 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 16)
 411
 412 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 413 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 414 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 415 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 3)
 416 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 4)
 417 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 5)
 418
 419 /* graphicbutton identifiers */
 420 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 6)
 421
 422 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 423 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 424
 425 /* gadgets for scrolling of drawing area */
 426 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 427
 428 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 429 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 430 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 431 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 432 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 433 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 434
 435 /* gadgets for scrolling element list */
 436 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 437
 438 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 439 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 440 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 441
 442 /* checkbuttons for level/element properties */
 443 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 444
 445 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 446 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 447 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 448 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 449 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 450 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 451 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 452 #define GADGET_ID_CUSTOM_EXPLODE_RESULT (GADGET_ID_CHECKBUTTON_FIRST + 7)
 453 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 454 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 9)
 455 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 10)
 456 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 11)
 457 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 12)
 458 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 459 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 460 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 461 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 16)
 462 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 17)
 463 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 464 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 465 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 466 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 21)
 467 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 22)
 468 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 469 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 24)
 470 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 25)
 471 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 26)
 472 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 27)
 473
 474 /* gadgets for buttons in element list */
 475 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 476 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 477                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 478
 479 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 480
 481 /* radio button numbers */
 482 #define RADIO_NR_NONE                   0
 483 #define RADIO_NR_DRAWING_TOOLBOX        1
 484 #define RADIO_NR_RANDOM_ELEMENTS        2
 485
 486 /* values for counter gadgets */
 487 #define ED_COUNTER_ID_SELECT_LEVEL      0
 488 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 489 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 490 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 491 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 492 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 493 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 494 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 495 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 496 #define ED_COUNTER_ID_ENVELOPE_XSIZE    9
 497 #define ED_COUNTER_ID_ENVELOPE_YSIZE    10
 498 #define ED_COUNTER_ID_CUSTOM_SCORE      11
 499 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   12
 500 #define ED_COUNTER_ID_PUSH_DELAY_FIX    13
 501 #define ED_COUNTER_ID_PUSH_DELAY_RND    14
 502 #define ED_COUNTER_ID_MOVE_DELAY_FIX    15
 503 #define ED_COUNTER_ID_MOVE_DELAY_RND    16
 504 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  17
 505 #define ED_COUNTER_ID_CHANGE_DELAY_RND  18
 506 #define ED_COUNTER_ID_CHANGE_CONT_RND   19
 507
 508 #define ED_NUM_COUNTERBUTTONS           20
 509
 510 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 511 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 512
 513 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM_SCORE
 514 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_MOVE_DELAY_RND
 515
 516 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 517 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 518
 519 /* values for scrollbutton gadgets */
 520 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 521 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 522 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 523 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 524 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 525 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 526
 527 #define ED_NUM_SCROLLBUTTONS            6
 528
 529 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 530 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 531
 532 /* values for scrollbar gadgets */
 533 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 534 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 535 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 536
 537 #define ED_NUM_SCROLLBARS               3
 538
 539 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 540 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 541
 542 /* values for text input gadgets */
 543 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 544 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 545 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 546
 547 #define ED_NUM_TEXTINPUT                3
 548
 549 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 550 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 551
 552 /* values for text area gadgets */
 553 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 554
 555 #define ED_NUM_TEXTAREAS                        1
 556
 557 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 558 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 559
 560 /* values for selectbox gadgets */
 561 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      0
 562 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     1
 563 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   2
 564 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     3
 565 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   4
 566 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    5
 567 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    6
 568 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    7
 569 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       8
 570 #define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY      9
 571 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       10
 572 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    11
 573 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     12
 574 #define ED_SELECTBOX_ID_CHANGE_SIDES            13
 575 #define ED_SELECTBOX_ID_CHANGE_POWER            14
 576 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      15
 577
 578 #define ED_NUM_SELECTBOX                        16
 579
 580 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 581 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_CONSISTENCY
 582
 583 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 584 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 585
 586 /* values for textbutton gadgets */
 587 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 588 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 589 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 590 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       3
 591 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        4
 592 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        5
 593
 594 #define ED_NUM_TEXTBUTTONS                      6
 595
 596 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 597 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 598
 599 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE
 600 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 601
 602 /* values for graphicbutton gadgets */
 603 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 604 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 605
 606 #define ED_NUM_GRAPHICBUTTONS                   2
 607
 608 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 609 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST    ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE
 610
 611 /* values for checkbutton gadgets */
 612 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 613 #define ED_CHECKBUTTON_ID_GRAVITY               1
 614 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 615 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 616 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 617 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     5
 618 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 6
 619 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       7
 620 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       8
 621 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      9
 622 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       10
 623 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         11
 624 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT 12
 625 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   13
 626 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  14
 627 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 15
 628 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    16
 629 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     17
 630 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          18
 631 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  19
 632 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   20
 633 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  21
 634 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    22
 635 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  23
 636 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     24
 637 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   25
 638
 639 #define ED_NUM_CHECKBUTTONS                     26
 640
 641 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 642 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 643
 644 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE
 645 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 646
 647 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 648 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE
 649
 650 /* values for radiobutton gadgets */
 651 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 652 #define ED_RADIOBUTTON_ID_QUANTITY      1
 653
 654 #define ED_NUM_RADIOBUTTONS             2
 655
 656 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 657 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 658
 659 /* values for drawing area gadgets */
 660 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 661 #define ED_DRAWING_ID_ELEMENT_CONTENT_0         1
 662 #define ED_DRAWING_ID_ELEMENT_CONTENT_1         2
 663 #define ED_DRAWING_ID_ELEMENT_CONTENT_2         3
 664 #define ED_DRAWING_ID_ELEMENT_CONTENT_3         4
 665 #define ED_DRAWING_ID_ELEMENT_CONTENT_4         5
 666 #define ED_DRAWING_ID_ELEMENT_CONTENT_5         6
 667 #define ED_DRAWING_ID_ELEMENT_CONTENT_6         7
 668 #define ED_DRAWING_ID_ELEMENT_CONTENT_7         8
 669 #define ED_DRAWING_ID_AMOEBA_CONTENT            9
 670 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            10
 671 #define ED_DRAWING_ID_CUSTOM_CONTENT            11
 672 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      12
 673 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     13
 674 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     14
 675 #define ED_DRAWING_ID_RANDOM_BACKGROUND         15
 676
 677 #define ED_NUM_DRAWING_AREAS                    16
 678
 679
 680 /*
 681   -----------------------------------------------------------------------------
 682   some internally used definitions
 683   -----------------------------------------------------------------------------
 684 */
 685
 686 /* values for CopyLevelToUndoBuffer() */
 687 #define UNDO_IMMEDIATE                  0
 688 #define UNDO_ACCUMULATE                 1
 689
 690 /* values for scrollbars */
 691 #define ED_SCROLL_NO                    0
 692 #define ED_SCROLL_LEFT                  1
 693 #define ED_SCROLL_RIGHT                 2
 694 #define ED_SCROLL_UP                    4
 695 #define ED_SCROLL_DOWN                  8
 696
 697 /* screens in the level editor */
 698 #define ED_MODE_DRAWING                 0
 699 #define ED_MODE_INFO                    1
 700 #define ED_MODE_PROPERTIES              2
 701
 702 /* sub-screens in the element properties section */
 703 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 704 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 705 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 706
 707 /* how many steps can be cancelled */
 708 #define NUM_UNDO_STEPS                  (10 + 1)
 709
 710 /* values for elements with score for certain actions */
 711 #define MIN_SCORE                       0
 712 #define MAX_SCORE                       255
 713
 714 /* values for elements with count for collecting */
 715 #define MIN_COLLECT_COUNT               0
 716 #define MAX_COLLECT_COUNT               100
 717
 718 /* values for random placement */
 719 #define RANDOM_USE_PERCENTAGE           0
 720 #define RANDOM_USE_QUANTITY             1
 721
 722 /* maximal size of level editor drawing area */
 723 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 724 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 725
 726
 727 /*
 728   -----------------------------------------------------------------------------
 729   some internally used data structure definitions
 730   -----------------------------------------------------------------------------
 731 */
 732
 733 static struct
 734 {
 735   char shortcut;
 736   char *text;
 737 } control_info[ED_NUM_CTRL_BUTTONS] =
 738 {
 739   { 's',        "draw single items"             },
 740   { 'd',        "draw connected items"          },
 741   { 'l',        "draw lines"                    },
 742   { 'a',        "draw arcs"                     },
 743   { 'r',        "draw outline rectangles"       },
 744   { 'R',        "draw filled rectangles"        },
 745   { '\0',       "wrap (rotate) level up"        },
 746   { 't',        "enter text elements"           },
 747   { 'f',        "flood fill"                    },
 748   { '\0',       "wrap (rotate) level left"      },
 749   { '?',        "properties of drawing element" },
 750   { '\0',       "wrap (rotate) level right"     },
 751   { '\0',       "random element placement"      },
 752   { 'b',        "grab brush"                    },
 753   { '\0',       "wrap (rotate) level down"      },
 754   { ',',        "pick drawing element"          },
 755   { 'U',        "undo last operation"           },
 756   { 'I',        "level properties"              },
 757   { 'S',        "save level"                    },
 758   { 'C',        "clear level"                   },
 759   { 'T',        "test level"                    },
 760   { 'E',        "exit level editor"             }
 761 };
 762
 763 static int random_placement_value = 10;
 764 static int random_placement_method = RANDOM_USE_QUANTITY;
 765 static int random_placement_background_element = EL_SAND;
 766 static boolean random_placement_background_restricted = FALSE;
 767 static boolean stick_element_properties_window = FALSE;
 768 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 769 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 770 static struct ElementChangeInfo custom_element_change;
 771 static struct ElementInfo custom_element;
 772
 773 static struct
 774 {
 775   int x, y;
 776   int min_value, max_value;
 777   int gadget_id_down, gadget_id_up;
 778   int gadget_id_text;
 779   int gadget_id_align;
 780   int *value;
 781   char *text_above, *text_left, *text_right;
 782 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 783 {
 784   /* ---------- level and editor settings ---------------------------------- */
 785
 786   {
 787     DX + 5 - SX,                        DY + 3 - SY,
 788     1,                                  100,
 789     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 790     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
 791     &level_nr,
 792     NULL,                               NULL, NULL
 793   },
 794   {
 795     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 796     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 797     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 798     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
 799     &level.fieldx,
 800     "playfield size:",                  NULL, "width",
 801   },
 802   {
 803     -1,                                 ED_COUNTER_YPOS(2),
 804     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 805     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 806     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
 807     &level.fieldy,
 808     NULL,                               " ", "height",
 809   },
 810   {
 811     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 812     0,                                  999,
 813     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
 814     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
 815     &level.gems_needed,
 816     "number of emeralds to collect:",   NULL, NULL
 817   },
 818   {
 819     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 820     0,                                  999,
 821     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 822     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
 823     &level.time,
 824     "time available to solve level:",   NULL, "(0 => no time limit)"
 825   },
 826   {
 827     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 828     0,                                  255,
 829     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 830     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
 831     &level.score[SC_TIME_BONUS],
 832     "score for each 10 seconds left:",  NULL, NULL
 833   },
 834   {
 835     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 836     1,                                  100,
 837     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 838     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
 839     &random_placement_value,
 840     "random element placement:",        NULL, "in"
 841   },
 842
 843   /* ---------- element settings: configure (various elements) ------------- */
 844
 845   {
 846     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 847     MIN_SCORE,                          MAX_SCORE,
 848     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 849     GADGET_ID_ELEMENT_SCORE_TEXT,       GADGET_ID_NONE,
 850     NULL,                               /* will be set when used */
 851     NULL,                               NULL, NULL
 852   },
 853   {
 854     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 855     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 856     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 857     GADGET_ID_ELEMENT_CONTENT_TEXT,     GADGET_ID_NONE,
 858     &level.num_yamyam_contents,
 859     NULL,                               NULL, "number of content areas"
 860   },
 861   {
 862     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 863     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
 864     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
 865     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
 866     NULL,
 867     NULL,                               NULL, "width",
 868   },
 869   {
 870     -1,                                 ED_SETTINGS_YPOS(0),
 871     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
 872     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
 873     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
 874     NULL,
 875     NULL,                               " ", "height",
 876   },
 877
 878   /* ---------- element settings: configure (custom elements) ------------- */
 879
 880   {
 881     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
 882     MIN_SCORE,                          MAX_SCORE,
 883     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
 884     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
 885     &custom_element.collect_score,
 886     NULL,                               "score", " "
 887   },
 888   {
 889     -1,                                 ED_SETTINGS_YPOS(3),
 890     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
 891     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
 892     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
 893     &custom_element.collect_count,
 894     NULL,                               "count", NULL
 895   },
 896   {
 897     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 898     0,                                  999,
 899     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
 900     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 901     &custom_element.push_delay_fixed,
 902     NULL,                               "push delay", NULL
 903   },
 904   {
 905     -1,                                 ED_SETTINGS_YPOS(4),
 906     0,                                  999,
 907     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
 908     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
 909     &custom_element.push_delay_random,
 910     NULL,                               "+random", NULL
 911   },
 912   {
 913     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
 914     0,                                  999,
 915     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
 916     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 917     &custom_element.move_delay_fixed,
 918     NULL,                               "move delay", NULL
 919   },
 920   {
 921     -1,                                 ED_SETTINGS_YPOS(7),
 922     0,                                  999,
 923     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
 924     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
 925     &custom_element.move_delay_random,
 926     NULL,                               "+random", NULL
 927   },
 928
 929   /* ---------- element settings: advanced (custom elements) --------------- */
 930
 931   {
 932     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(3),
 933     0,                                  999,
 934     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 935     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
 936     &custom_element_change.delay_fixed,
 937     NULL,                               "delay", NULL,
 938   },
 939   {
 940     -1,                                 ED_SETTINGS_YPOS(3),
 941     0,                                  999,
 942     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 943     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 944     &custom_element_change.delay_random,
 945     NULL,                               "+random", NULL
 946   },
 947   {
 948     ED_SETTINGS_XPOS(3),                ED_SETTINGS_YPOS(12),
 949     0,                                  100,
 950     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
 951     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
 952     &custom_element_change.random,
 953     NULL,                               "use random replace:", "%"
 954   },
 955 };
 956
 957 static struct
 958 {
 959   int x, y;
 960   int gadget_id;
 961   int size;
 962   char *value;
 963   char *text_above, *infotext;
 964 } textinput_info[ED_NUM_TEXTINPUT] =
 965 {
 966   {
 967     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
 968     GADGET_ID_LEVEL_NAME,
 969     MAX_LEVEL_NAME_LEN,
 970     level.name,
 971     "Title:", "Title"
 972   },
 973   {
 974     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 975     GADGET_ID_LEVEL_AUTHOR,
 976     MAX_LEVEL_AUTHOR_LEN,
 977     level.author,
 978     "Author:", "Author"
 979   },
 980   {
 981     5 * MINI_TILEX,                     5 * MINI_TILEY - ED_BORDER_SIZE,
 982     GADGET_ID_ELEMENT_NAME,
 983     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
 984     custom_element.description,
 985     NULL, "Element name"
 986   }
 987 };
 988
 989 static struct
 990 {
 991   int x, y;
 992   int gadget_id;
 993   int xsize, ysize;
 994   char *value;
 995   char *text_above, *infotext;
 996 } textarea_info[ED_NUM_TEXTAREAS] =
 997 {
 998   {
 999     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1000     GADGET_ID_ENVELOPE_INFO,
1001     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1002     NULL,
1003     "Envelope Info:", "Envelope Info"
1004   }
1005 };
1006
1007 static struct ValueTextInfo options_access_type[] =
1008 {
1009   { EP_WALKABLE,                "walk"                          },
1010   { EP_PASSABLE,                "pass"                          },
1011   { -1,                         NULL                            }
1012 };
1013
1014 static struct ValueTextInfo options_access_layer[] =
1015 {
1016   { EP_ACCESSIBLE_OVER,         "over"                          },
1017   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1018   { EP_ACCESSIBLE_UNDER,        "under"                         },
1019   { -1,                         NULL                            }
1020 };
1021
1022 static struct ValueTextInfo options_walk_to_action[] =
1023 {
1024   { EP_DIGGABLE,                "diggable"                      },
1025   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1026   { EP_DROPPABLE,               "collectible & droppable"       },
1027   { EP_PUSHABLE,                "pushable"                      },
1028   { -1,                         NULL                            }
1029 };
1030
1031 static struct ValueTextInfo options_move_pattern[] =
1032 {
1033   { MV_LEFT,                    "left"                          },
1034   { MV_RIGHT,                   "right"                         },
1035   { MV_UP,                      "up"                            },
1036   { MV_DOWN,                    "down"                          },
1037   { MV_HORIZONTAL,              "horizontal"                    },
1038   { MV_VERTICAL,                "vertical"                      },
1039   { MV_ALL_DIRECTIONS,          "all directions"                },
1040   { MV_TOWARDS_PLAYER,          "towards player"                },
1041   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1042   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1043   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1044   { MV_TURNING_LEFT,            "turning left"                  },
1045   { MV_TURNING_RIGHT,           "turning right"                 },
1046   { MV_WHEN_PUSHED,             "when pushed"                   },
1047   { -1,                         NULL                            }
1048 };
1049
1050 static struct ValueTextInfo options_move_direction[] =
1051 {
1052   { MV_NO_MOVING,               "automatic"                     },
1053   { MV_LEFT,                    "left"                          },
1054   { MV_RIGHT,                   "right"                         },
1055   { MV_UP,                      "up"                            },
1056   { MV_DOWN,                    "down"                          },
1057   { -1,                         NULL                            }
1058 };
1059
1060 static struct ValueTextInfo options_move_stepsize[] =
1061 {
1062   { 1,                          "very slow"                     },
1063   { 2,                          "slow"                          },
1064   { 4,                          "normal"                        },
1065   { 8,                          "fast"                          },
1066   { 16,                         "very fast"                     },
1067   { -1,                         NULL                            }
1068 };
1069
1070 static struct ValueTextInfo options_smash_targets[] =
1071 {
1072   { EP_CAN_SMASH_PLAYER,        "player"                        },
1073 #if 0
1074   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1075 #endif
1076   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1077   { -1,                         NULL                            }
1078 };
1079
1080 static struct ValueTextInfo options_slippery_type[] =
1081 {
1082   { SLIPPERY_ANY_RANDOM,        "random"                        },
1083   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1084   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1085   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1086   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1087   { -1,                         NULL                            }
1088 };
1089
1090 static struct ValueTextInfo options_deadliness[] =
1091 {
1092   { EP_DONT_RUN_INTO,           "running into"                  },
1093   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1094   { EP_DONT_TOUCH,              "touching"                      },
1095   { -1,                         NULL                            }
1096 };
1097
1098 static struct ValueTextInfo options_consistency[] =
1099 {
1100   { EP_CAN_EXPLODE_3X3,         "can explode 3x3"               },
1101   { EP_CAN_EXPLODE_1X1,         "can explode 1x1"               },
1102   { EP_INDESTRUCTIBLE,          "indestructible"                },
1103   { -1,                         NULL                            }
1104 };
1105
1106 static struct ValueTextInfo options_time_units[] =
1107 {
1108   { 1,                          "frames"                        },
1109   { FRAMES_PER_SECOND,          "seconds"                       },
1110   { -1,                         NULL                            }
1111 };
1112
1113 static struct ValueTextInfo options_change_direct_action[] =
1114 {
1115   { CE_TOUCHED_BY_PLAYER,       "touched by player ..."         },
1116   { CE_PRESSED_BY_PLAYER,       "pressed by player ..."         },
1117   { CE_PUSHED_BY_PLAYER,        "pushed by player ..."          },
1118   { CE_ENTERED_BY_PLAYER,       "entered by player ..."         },
1119   { CE_LEFT_BY_PLAYER,          "left by player ..."            },
1120   { CE_DROPPED_BY_PLAYER,       "dropped by player"             },
1121   { CE_COLLISION,               "collision ..."                 },
1122   { CE_IMPACT,                  "impact"                        },
1123   { CE_SMASHED,                 "smashed"                       },
1124   { -1,                         NULL                            }
1125 };
1126
1127 static struct ValueTextInfo options_change_other_action[] =
1128 {
1129   { CE_OTHER_GETS_TOUCHED,      "player touches ..."            },
1130   { CE_OTHER_GETS_PRESSED,      "player presses ..."            },
1131   { CE_OTHER_GETS_PUSHED,       "player pushes ..."             },
1132   { CE_OTHER_GETS_ENTERED,      "player enters ..."             },
1133   { CE_OTHER_GETS_LEFT,         "player leaves ..."             },
1134   { CE_OTHER_GETS_DIGGED,       "player digs"                   },
1135   { CE_OTHER_GETS_COLLECTED,    "player collects"               },
1136   { CE_OTHER_GETS_DROPPED,      "player drops"                  },
1137   { CE_OTHER_IS_TOUCHING,       "touching ..."                  },
1138   { CE_OTHER_IS_CHANGING,       "change of"                     },
1139   { CE_OTHER_IS_EXPLODING,      "explosion of"                  },
1140   { -1,                         NULL                            }
1141 };
1142
1143 static struct ValueTextInfo options_change_sides[] =
1144 {
1145   { CH_SIDE_LEFT,               "left side"                     },
1146   { CH_SIDE_RIGHT,              "right side"                    },
1147   { CH_SIDE_TOP,                "top side"                      },
1148   { CH_SIDE_BOTTOM,             "bottom side"                   },
1149   { CH_SIDE_LEFT_RIGHT,         "left/right side"               },
1150   { CH_SIDE_TOP_BOTTOM,         "top/bottom side"               },
1151   { CH_SIDE_ANY,                "all sides"                     },
1152   { -1,                         NULL                            }
1153 };
1154
1155 static struct ValueTextInfo options_change_power[] =
1156 {
1157   { CP_NON_DESTRUCTIVE,         "empty"                         },
1158   { CP_HALF_DESTRUCTIVE,        "diggable"                      },
1159   { CP_FULL_DESTRUCTIVE,        "destructible"                  },
1160   { -1,                         NULL                            }
1161 };
1162
1163 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
1164 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
1165 {
1166   { -1,                         NULL                            }
1167 };
1168
1169 static struct
1170 {
1171   int x, y;
1172   int gadget_id;
1173   int gadget_id_align;
1174   int size;     /* char size of selectbox or '-1' (dynamically determined) */
1175   struct ValueTextInfo *options;
1176   int *value;
1177   char *text_left, *text_right, *infotext;
1178 } selectbox_info[ED_NUM_SELECTBOX] =
1179 {
1180   /* ---------- element settings: configure (custom elements) ------------- */
1181
1182   {
1183     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(1),
1184     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
1185     -1,
1186     options_access_type,
1187     &custom_element.access_type,
1188     "player can", NULL,                 "type of access to this field"
1189   },
1190   {
1191     -1,                                 ED_SETTINGS_YPOS(1),
1192     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
1193     -1,
1194     options_access_layer,
1195     &custom_element.access_layer,
1196     NULL, NULL,                         "layer of access for this field"
1197   },
1198   {
1199     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1200     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
1201     -1,
1202     options_walk_to_action,
1203     &custom_element.walk_to_action,
1204     NULL, NULL,                         "diggable/collectible/pushable"
1205   },
1206   {
1207     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1208     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
1209     -1,
1210     options_move_pattern,
1211     &custom_element.move_pattern,
1212     "can move", NULL,                   "element move direction"
1213   },
1214   {
1215     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1216     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
1217     -1,
1218     options_move_direction,
1219     &custom_element.move_direction_initial,
1220     "starts moving", NULL,              "initial element move direction"
1221   },
1222   {
1223     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1224     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
1225     -1,
1226     options_move_stepsize,
1227     &custom_element.move_stepsize,
1228     "move/fall speed", NULL,            "speed of element movement"
1229   },
1230   {
1231     -1,                                 ED_SETTINGS_YPOS(9),
1232     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
1233     -1,
1234     options_smash_targets,
1235     &custom_element.smash_targets,
1236     "can smash", NULL,                  "elements that can be smashed"
1237   },
1238   {
1239     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(10),
1240     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
1241     -1,
1242     options_slippery_type,
1243     &custom_element.slippery_type,
1244     "slippery", NULL,                   "where other elements fall down"
1245   },
1246   {
1247     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(11),
1248     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
1249     -1,
1250     options_deadliness,
1251     &custom_element.deadliness,
1252     "deadly when", NULL,                "deadliness of element"
1253   },
1254   {
1255     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(12),
1256     GADGET_ID_CUSTOM_CONSISTENCY,       GADGET_ID_NONE,
1257     -1,
1258     options_consistency,
1259     &custom_element.consistency,
1260     NULL, NULL,                         "consistency/destructibility"
1261   },
1262
1263   /* ---------- element settings: advanced (custom elements) --------------- */
1264
1265   {
1266     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
1267     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
1268     -1,
1269     options_time_units,
1270     &custom_element_change.delay_frames,
1271     "delay time given in", NULL,        "delay time units for change"
1272   },
1273   {
1274     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(5),
1275     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
1276     -1,
1277     options_change_direct_action,
1278     &custom_element_change.direct_action,
1279     NULL, NULL,                         "type of direct action"
1280   },
1281   {
1282     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(6),
1283     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
1284     -1,
1285     options_change_other_action,
1286     &custom_element_change.other_action,
1287     NULL, "element:",                   "type of other element action"
1288   },
1289   {
1290     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(7),
1291     GADGET_ID_CHANGE_SIDES,             GADGET_ID_NONE,
1292     -1,
1293     options_change_sides,
1294     &custom_element_change.sides,
1295     "... at", NULL,                     "element side that causes change"
1296   },
1297   {
1298     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(10),
1299     GADGET_ID_CHANGE_POWER,             GADGET_ID_NONE,
1300     -1,
1301     options_change_power,
1302     &custom_element_change.power,
1303     "replace when", NULL,               "which elements can be replaced"
1304   },
1305   {
1306     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(14),
1307     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
1308     3,
1309     options_change_page,
1310     &custom_element.current_change_page,
1311     NULL, NULL,                         "element config page"
1312   },
1313 };
1314
1315 static struct
1316 {
1317   int x, y;
1318   int gadget_id;
1319   int gadget_id_align;
1320   int size;
1321   char *text;
1322   char *text_left, *text_right, *infotext;
1323 } textbutton_info[ED_NUM_TEXTBUTTONS] =
1324 {
1325   {
1326     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1327     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
1328     11,                                 "Information",
1329     NULL, NULL,                         "Show information about element"
1330   },
1331   {
1332     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
1333     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
1334     11,                                 "Configure",
1335     NULL, NULL,                         "Configure element properties"
1336   },
1337   {
1338     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
1339     GADGET_ID_PROPERTIES_ADVANCED,      GADGET_ID_NONE,
1340     11,                                 "Advanced",
1341     NULL, NULL,                         "Advanced element configuration"
1342   },
1343   {
1344     -1,                                 ED_SETTINGS_YPOS(13),
1345     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
1346     -1,                                 "Save as template",
1347     " ", NULL,                          "Save current settings as new template"
1348   },
1349   {
1350     -1,                                 ED_SETTINGS_YPOS(14),
1351     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_NEXT_CHANGE_PAGE,
1352     -1,                                 "New",
1353     " ", NULL,                          "Add new config page"
1354   },
1355   {
1356     -1,                                 ED_SETTINGS_YPOS(14),
1357     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
1358     -1,                                 "Delete",
1359     NULL, NULL,                         "Delete current config page"
1360   },
1361 };
1362
1363 static struct
1364 {
1365   int gd_x, gd_y;
1366   int x, y;
1367   int width, height;
1368   int gadget_id;
1369   int gadget_id_align;
1370   char *text_left, *text_right, *infotext;
1371 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
1372 {
1373   {
1374     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
1375     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(14),
1376     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1377     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
1378     NULL, NULL,                         "select previous config page"
1379   },
1380   {
1381     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
1382     -1,                                 ED_SETTINGS_YPOS(14),
1383     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
1384     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
1385     NULL, "config page",                "select next config page"
1386   },
1387 };
1388
1389 static struct
1390 {
1391   int gd_x, gd_y;
1392   int x, y;
1393   int gadget_id;
1394   char *infotext;
1395 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
1396 {
1397   {
1398     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
1399     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
1400     GADGET_ID_SCROLL_UP,
1401     "scroll level editing area up"
1402   },
1403   {
1404     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
1405     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
1406     GADGET_ID_SCROLL_DOWN,
1407     "scroll level editing area down"
1408   },
1409   {
1410     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
1411     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
1412     GADGET_ID_SCROLL_LEFT,
1413     "scroll level editing area left"
1414   },
1415   {
1416     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1417     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1418     GADGET_ID_SCROLL_RIGHT,
1419     "scroll level editing area right"
1420   },
1421   {
1422     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1423     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1424     GADGET_ID_SCROLL_LIST_UP,
1425     "scroll element list up ('Page Up')"
1426   },
1427   {
1428     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1429     ED_SCROLL2_DOWN_XPOS,   ED_SCROLL2_DOWN_YPOS,
1430     GADGET_ID_SCROLL_LIST_DOWN,
1431     "scroll element list down ('Page Down')"
1432   },
1433 };
1434
1435 static struct
1436 {
1437   int gd_x, gd_y;
1438   int x, y;
1439   int width, height;
1440   int type;
1441   int gadget_id;
1442   char *infotext;
1443 } scrollbar_info[ED_NUM_SCROLLBARS] =
1444 {
1445   {
1446     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1447     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1448     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1449     GD_TYPE_SCROLLBAR_HORIZONTAL,
1450     GADGET_ID_SCROLL_HORIZONTAL,
1451     "scroll level editing area horizontally"
1452   },
1453   {
1454     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1455     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1456     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1457     GD_TYPE_SCROLLBAR_VERTICAL,
1458     GADGET_ID_SCROLL_VERTICAL,
1459     "scroll level editing area vertically"
1460   },
1461   {
1462     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1463     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1464     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1465     GD_TYPE_SCROLLBAR_VERTICAL,
1466     GADGET_ID_SCROLL_LIST_VERTICAL,
1467     "scroll element list vertically"
1468   }
1469 };
1470
1471 static struct
1472 {
1473   int x, y;
1474   int gadget_id;
1475   int gadget_id_align;
1476   int radio_button_nr;
1477   int *value;
1478   int checked_value;
1479   char *text_left, *text_right, *infotext;
1480 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1481 {
1482   {
1483     -1,                                 ED_COUNTER2_YPOS(8),
1484     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
1485     RADIO_NR_RANDOM_ELEMENTS,
1486     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1487     " ", "percentage",                  "use percentage for random elements"
1488   },
1489   {
1490     -1,                                 ED_COUNTER2_YPOS(8),
1491     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
1492     RADIO_NR_RANDOM_ELEMENTS,
1493     &random_placement_method,           RANDOM_USE_QUANTITY,
1494     " ", "quantity",                    "use quantity for random elements"
1495   }
1496 };
1497
1498 static struct
1499 {
1500   int x, y;
1501   int gadget_id;
1502   int gadget_id_align;
1503   boolean *value;
1504   char *text_left, *text_right, *infotext;
1505 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1506 {
1507   /* ---------- level and editor settings ---------------------------------- */
1508
1509   {
1510     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1511     GADGET_ID_DOUBLE_SPEED,             GADGET_ID_NONE,
1512     &level.double_speed,
1513     NULL, "double speed movement",      "set movement speed of player"
1514   },
1515   {
1516     -1,                                 ED_COUNTER_YPOS(6) - MINI_TILEY,
1517     GADGET_ID_GRAVITY,                  GADGET_ID_DOUBLE_SPEED,
1518     &level.gravity,
1519     " ", "gravity",                     "set level gravity"
1520   },
1521   {
1522     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1523     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
1524     &random_placement_background_restricted,
1525     NULL,
1526     "restrict random placement to:",    "set random placement restriction"
1527   },
1528
1529   /* ---------- element settings: configure (various elements) ------------- */
1530
1531   {
1532     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
1533     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
1534     &stick_element_properties_window,
1535     NULL,
1536     "stick this screen to edit content","stick this screen to edit content"
1537   },
1538   {
1539     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1540     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
1541     &level.em_slippery_gems,
1542     NULL,
1543     "slip down from certain flat walls","use EM style slipping behaviour"
1544   },
1545
1546   /* ---------- element settings: configure (custom elements) ------------- */
1547
1548   {
1549     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1550     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
1551     &custom_element_properties[EP_ACCESSIBLE],
1552     NULL, NULL,                         "player can walk to or pass this field"
1553   },
1554   {
1555     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1556     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
1557     &custom_element_properties[EP_WALK_TO_OBJECT],
1558     NULL, NULL,                         "player can dig/collect/push element"
1559   },
1560   {
1561     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1562     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
1563     &custom_element_properties[EP_CAN_MOVE],
1564     NULL, NULL,                         "element can move in some direction"
1565   },
1566   {
1567     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(9),
1568     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
1569     &custom_element_properties[EP_CAN_FALL],
1570     NULL, "can fall",                   "element can fall down"
1571   },
1572   {
1573     -1,                                 ED_SETTINGS_YPOS(9),
1574     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
1575     &custom_element_properties[EP_CAN_SMASH],
1576     " ", NULL,                          "element can smash other elements"
1577   },
1578   {
1579     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1580     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
1581     &custom_element_properties[EP_SLIPPERY],
1582     NULL, NULL,                         "other elements can fall down from it"
1583   },
1584   {
1585     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(11),
1586     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
1587     &custom_element_properties[EP_DEADLY],
1588     NULL, NULL,                         "element can kill the player"
1589   },
1590   {
1591     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1592     GADGET_ID_CUSTOM_EXPLODE_RESULT,    GADGET_ID_NONE,
1593     &custom_element_properties[EP_EXPLODE_RESULT],
1594     NULL, NULL,                         "set consistency/destructibility"
1595   },
1596   {
1597     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(13),
1598     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
1599     &custom_element.can_explode_by_fire,
1600     NULL, "by fire",                    "element can explode by fire/explosion"
1601   },
1602   {
1603     -1,                                 ED_SETTINGS_YPOS(13),
1604     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
1605     &custom_element.can_explode_smashed,
1606     " ", "smashed",                     "element can explode when smashed"
1607   },
1608   {
1609     -1,                                 ED_SETTINGS_YPOS(13),
1610     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
1611     &custom_element.can_explode_impact,
1612     " ", "impact",                      "element can explode on impact"
1613   },
1614
1615   /* ---------- element settings: advanced (custom elements) --------------- */
1616
1617   {
1618     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1619     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
1620     &custom_element.use_gfx_element,
1621     NULL, "use graphic of element:",    "use graphic for custom element"
1622   },
1623   {
1624     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1625     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
1626     &custom_element_change.can_change,
1627     NULL, "element changes to:",        "element can change to other element"
1628   },
1629   {
1630     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1631     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
1632     &custom_element_change_events[CE_DELAY],
1633     NULL, NULL,                         "element changes after delay"
1634   },
1635   {
1636     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1637     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
1638     &custom_element_change_events[CE_BY_DIRECT_ACTION],
1639     NULL, NULL,                         "element changes by direct action"
1640   },
1641   {
1642     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1643     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
1644     &custom_element_change_events[CE_BY_OTHER_ACTION],
1645     NULL, NULL,                         "element changes by other element"
1646   },
1647   {
1648     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1649     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
1650     &custom_element_change.explode,
1651     NULL, "explode instead of change",  "element explodes instead of change"
1652   },
1653   {
1654     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
1655     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
1656     &custom_element_change.use_content,
1657     NULL, "use extended change target:","element changes to more elements"
1658   },
1659   {
1660     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(11),
1661     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
1662     &custom_element_change.only_complete,
1663     NULL, "replace all or nothing",     "only replace when all can be changed"
1664   },
1665   {
1666     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(12),
1667     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
1668     &custom_element_change.use_random_change,
1669     NULL, NULL,                         "use percentage for random replace"
1670   },
1671   {
1672     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(13),
1673     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
1674     &level.use_custom_template,
1675     NULL, "use template",               "use template for custom properties"
1676   },
1677 };
1678
1679 static struct
1680 {
1681   int x, y;
1682   int area_xsize, area_ysize;
1683   int gadget_id;
1684   int gadget_id_align;
1685   char *text_left, *text_right, *text_below;
1686 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
1687 {
1688   /* ---------- level playfield content ------------------------------------ */
1689
1690   {
1691     0, 0,
1692     MAX_ED_FIELDX, MAX_ED_FIELDY,
1693     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
1694     NULL, NULL,                         NULL
1695   },
1696
1697   /* ---------- yam yam content -------------------------------------------- */
1698
1699   {
1700     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
1701     3, 3,
1702     GADGET_ID_ELEMENT_CONTENT_0,        GADGET_ID_NONE,
1703     NULL, NULL,                         "1"
1704   },
1705   {
1706     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
1707     3, 3,
1708     GADGET_ID_ELEMENT_CONTENT_1,        GADGET_ID_NONE,
1709     NULL, NULL,                         "2"
1710   },
1711   {
1712     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
1713     3, 3,
1714     GADGET_ID_ELEMENT_CONTENT_2,        GADGET_ID_NONE,
1715     NULL, NULL,                         "3"
1716   },
1717   {
1718     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
1719     3, 3,
1720     GADGET_ID_ELEMENT_CONTENT_3,        GADGET_ID_NONE,
1721     NULL, NULL,                         "4"
1722   },
1723   {
1724     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
1725     3, 3,
1726     GADGET_ID_ELEMENT_CONTENT_4,        GADGET_ID_NONE,
1727     NULL, NULL,                         "5"
1728   },
1729   {
1730     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
1731     3, 3,
1732     GADGET_ID_ELEMENT_CONTENT_5,        GADGET_ID_NONE,
1733     NULL, NULL,                         "6"
1734   },
1735   {
1736     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
1737     3, 3,
1738     GADGET_ID_ELEMENT_CONTENT_6,        GADGET_ID_NONE,
1739     NULL, NULL,                         "7"
1740   },
1741   {
1742     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
1743     3, 3,
1744     GADGET_ID_ELEMENT_CONTENT_7,        GADGET_ID_NONE,
1745     NULL, NULL,                         "8"
1746   },
1747
1748   /* ---------- amoeba content --------------------------------------------- */
1749
1750   {
1751     ED_AREA_ELEM_CONTENT_XPOS,          ED_AREA_ELEM_CONTENT_YPOS,
1752     1, 1,
1753     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
1754     NULL, "content of amoeba",          NULL
1755   },
1756
1757   /* ---------- custom graphic --------------------------------------------- */
1758
1759   {
1760     -1,                                 ED_AREA_ELEM_CONTENT3_YPOS,
1761     1, 1,
1762     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
1763     NULL, NULL,                         NULL
1764   },
1765
1766   /* ---------- custom content (when exploding) ---------------------------- */
1767
1768   {
1769     ED_AREA_ELEM_CONTENT4_XPOS,         ED_AREA_ELEM_CONTENT4_YPOS,
1770     3, 3,
1771     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
1772     "content:", NULL,                   NULL
1773   },
1774
1775   /* ---------- custom change target --------------------------------------- */
1776
1777   {
1778     -1,                                 ED_AREA_ELEM_CONTENT2_YPOS,
1779     1, 1,
1780     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
1781     NULL, "after/when:",                NULL
1782   },
1783
1784   /* ---------- custom change content (extended change target) ------------- */
1785
1786   {
1787     ED_AREA_ELEM_CONTENT6_XPOS,         ED_AREA_ELEM_CONTENT6_YPOS,
1788     3, 3,
1789     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
1790     NULL, NULL,                         NULL
1791   },
1792
1793   /* ---------- custom change trigger (element causing change) ------------- */
1794
1795   {
1796     -1,                                 ED_AREA_ELEM_CONTENT5_YPOS,
1797     1, 1,
1798     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
1799     NULL, NULL,                         NULL
1800   },
1801
1802   /* ---------- random background (for random painting) -------------------- */
1803
1804   {
1805     -1,                                 ED_AREA_RANDOM_BACKGROUND_YPOS,
1806     1, 1,
1807     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
1808     NULL, NULL,                         NULL
1809   },
1810 };
1811
1812
1813 /*
1814   -----------------------------------------------------------------------------
1815   some internally used variables
1816   -----------------------------------------------------------------------------
1817 */
1818
1819 /* actual size of level editor drawing area */
1820 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1821
1822 /* actual position of level editor drawing area in level playfield */
1823 static int level_xpos = -1, level_ypos = -1;
1824
1825 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1826
1827 /* drawing elements on the three mouse buttons */
1828 static int new_element1 = EL_WALL;
1829 static int new_element2 = EL_EMPTY;
1830 static int new_element3 = EL_SAND;
1831
1832 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1833                                 (button) == 2 ? new_element2 : \
1834                                 (button) == 3 ? new_element3 : EL_EMPTY)
1835 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1836
1837 /* forward declaration for internal use */
1838 static void ModifyEditorCounter(int, int);
1839 static void ModifyEditorCounterLimits(int, int, int);
1840 static void ModifyEditorSelectbox(int, int);
1841 static void ModifyEditorElementList();
1842 static void RedrawDrawingElements();
1843 static void DrawDrawingWindow();
1844 static void DrawLevelInfoWindow();
1845 static void DrawPropertiesWindow();
1846 static boolean checkPropertiesConfig();
1847 static void CopyLevelToUndoBuffer(int);
1848 static void HandleDrawingAreas(struct GadgetInfo *);
1849 static void HandleCounterButtons(struct GadgetInfo *);
1850 static void HandleTextInputGadgets(struct GadgetInfo *);
1851 static void HandleTextAreaGadgets(struct GadgetInfo *);
1852 static void HandleSelectboxGadgets(struct GadgetInfo *);
1853 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1854 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
1855 static void HandleRadiobuttons(struct GadgetInfo *);
1856 static void HandleCheckbuttons(struct GadgetInfo *);
1857 static void HandleControlButtons(struct GadgetInfo *);
1858 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1859
1860 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1861 static int right_gadget_border[NUM_EDITOR_GADGETS];
1862
1863 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1864 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1865 static boolean draw_with_brush = FALSE;
1866 static int properties_element = 0;
1867
1868 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1869 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1870 static int undo_buffer_position = 0;
1871 static int undo_buffer_steps = 0;
1872
1873 static int edit_mode;
1874 static int edit_mode_properties;
1875
1876 static int element_shift = 0;
1877
1878 static int editor_hl_boulderdash[] =
1879 {
1880   EL_CHAR('B'),
1881   EL_CHAR('O'),
1882   EL_CHAR('U'),
1883   EL_CHAR('L'),
1884
1885   EL_CHAR('-'),
1886   EL_CHAR('D'),
1887   EL_CHAR('E'),
1888   EL_CHAR('R'),
1889
1890   EL_CHAR('D'),
1891   EL_CHAR('A'),
1892   EL_CHAR('S'),
1893   EL_CHAR('H'),
1894 };
1895
1896 static int editor_el_boulderdash[] =
1897 {
1898   EL_PLAYER_1,
1899   EL_EMPTY,
1900   EL_SAND,
1901   EL_STEELWALL,
1902
1903   EL_BD_WALL,
1904   EL_BD_MAGIC_WALL,
1905   EL_EXIT_CLOSED,
1906   EL_EXIT_OPEN,
1907
1908   EL_BD_DIAMOND,
1909   EL_BD_BUTTERFLY_UP,
1910   EL_BD_FIREFLY_UP,
1911   EL_BD_ROCK,
1912
1913   EL_BD_BUTTERFLY_LEFT,
1914   EL_BD_FIREFLY_LEFT,
1915   EL_BD_BUTTERFLY_RIGHT,
1916   EL_BD_FIREFLY_RIGHT,
1917
1918   EL_BD_AMOEBA,
1919   EL_BD_BUTTERFLY_DOWN,
1920   EL_BD_FIREFLY_DOWN,
1921   EL_EMPTY,
1922 };
1923 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
1924 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1925
1926 static int editor_hl_emerald_mine[] =
1927 {
1928   EL_CHAR('E'),
1929   EL_CHAR('M'),
1930   EL_CHAR('E'),
1931   EL_CHAR('-'),
1932
1933   EL_CHAR('R'),
1934   EL_CHAR('A'),
1935   EL_CHAR('L'),
1936   EL_CHAR('D'),
1937
1938   EL_CHAR('M'),
1939   EL_CHAR('I'),
1940   EL_CHAR('N'),
1941   EL_CHAR('E'),
1942 };
1943
1944 static int editor_el_emerald_mine[] =
1945 {
1946   EL_PLAYER_1,
1947   EL_PLAYER_2,
1948   EL_PLAYER_3,
1949   EL_PLAYER_4,
1950
1951   EL_PLAYER_1,
1952   EL_EMPTY,
1953   EL_SAND,
1954   EL_ROCK,
1955
1956   EL_STEELWALL,
1957   EL_WALL,
1958   EL_WALL_SLIPPERY,
1959   EL_MAGIC_WALL,
1960
1961   EL_EMERALD,
1962   EL_DIAMOND,
1963   EL_NUT,
1964   EL_BOMB,
1965
1966   EL_WALL_EMERALD,
1967   EL_WALL_DIAMOND,
1968   EL_QUICKSAND_EMPTY,
1969   EL_QUICKSAND_FULL,
1970
1971   EL_DYNAMITE,
1972   EL_DYNAMITE_ACTIVE,
1973   EL_EXIT_CLOSED,
1974   EL_EXIT_OPEN,
1975
1976   EL_YAMYAM,
1977   EL_BUG_UP,
1978   EL_SPACESHIP_UP,
1979   EL_ROBOT,
1980
1981   EL_BUG_LEFT,
1982   EL_SPACESHIP_LEFT,
1983   EL_BUG_RIGHT,
1984   EL_SPACESHIP_RIGHT,
1985
1986   EL_ROBOT_WHEEL,
1987   EL_BUG_DOWN,
1988   EL_SPACESHIP_DOWN,
1989   EL_INVISIBLE_WALL,
1990
1991   EL_ACID_POOL_TOPLEFT,
1992   EL_ACID,
1993   EL_ACID_POOL_TOPRIGHT,
1994   EL_EMPTY,
1995
1996   EL_ACID_POOL_BOTTOMLEFT,
1997   EL_ACID_POOL_BOTTOM,
1998   EL_ACID_POOL_BOTTOMRIGHT,
1999   EL_EMPTY,
2000
2001   EL_AMOEBA_DROP,
2002   EL_AMOEBA_DEAD,
2003   EL_AMOEBA_WET,
2004   EL_AMOEBA_DRY,
2005
2006 #if 1
2007   EL_EM_KEY_1,
2008   EL_EM_KEY_2,
2009   EL_EM_KEY_3,
2010   EL_EM_KEY_4,
2011 #else
2012   EL_EM_KEY_1_FILE,
2013   EL_EM_KEY_2_FILE,
2014   EL_EM_KEY_3_FILE,
2015   EL_EM_KEY_4_FILE,
2016 #endif
2017
2018   EL_EM_GATE_1,
2019   EL_EM_GATE_2,
2020   EL_EM_GATE_3,
2021   EL_EM_GATE_4,
2022
2023   EL_EM_GATE_1_GRAY,
2024   EL_EM_GATE_2_GRAY,
2025   EL_EM_GATE_3_GRAY,
2026   EL_EM_GATE_4_GRAY,
2027 };
2028 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
2029 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
2030
2031 static int editor_hl_more[] =
2032 {
2033   EL_CHAR('M'),
2034   EL_CHAR('O'),
2035   EL_CHAR('R'),
2036   EL_CHAR('E'),
2037 };
2038
2039 static int editor_el_more[] =
2040 {
2041   EL_KEY_1,
2042   EL_KEY_2,
2043   EL_KEY_3,
2044   EL_KEY_4,
2045
2046   EL_GATE_1,
2047   EL_GATE_2,
2048   EL_GATE_3,
2049   EL_GATE_4,
2050
2051   EL_GATE_1_GRAY,
2052   EL_GATE_2_GRAY,
2053   EL_GATE_3_GRAY,
2054   EL_GATE_4_GRAY,
2055
2056   EL_ARROW_LEFT,
2057   EL_ARROW_RIGHT,
2058   EL_ARROW_UP,
2059   EL_ARROW_DOWN,
2060
2061   EL_AMOEBA_FULL,
2062   EL_EMERALD_YELLOW,
2063   EL_EMERALD_RED,
2064   EL_EMERALD_PURPLE,
2065
2066   EL_WALL_BD_DIAMOND,
2067   EL_WALL_EMERALD_YELLOW,
2068   EL_WALL_EMERALD_RED,
2069   EL_WALL_EMERALD_PURPLE,
2070
2071   EL_GAME_OF_LIFE,
2072   EL_PACMAN_UP,
2073   EL_TIME_ORB_FULL,
2074   EL_TIME_ORB_EMPTY,
2075
2076   EL_PACMAN_LEFT,
2077   EL_DARK_YAMYAM,
2078   EL_PACMAN_RIGHT,
2079   EL_EXPANDABLE_WALL,
2080
2081   EL_BIOMAZE,
2082   EL_PACMAN_DOWN,
2083   EL_LAMP,
2084   EL_LAMP_ACTIVE,
2085
2086   EL_DYNABOMB_INCREASE_NUMBER,
2087   EL_DYNABOMB_INCREASE_SIZE,
2088   EL_DYNABOMB_INCREASE_POWER,
2089   EL_STONEBLOCK,
2090
2091   EL_MOLE,
2092   EL_PENGUIN,
2093   EL_PIG,
2094   EL_DRAGON,
2095
2096   EL_EMPTY,
2097   EL_MOLE_UP,
2098   EL_EMPTY,
2099   EL_EMPTY,
2100
2101   EL_MOLE_LEFT,
2102   EL_EMPTY,
2103   EL_MOLE_RIGHT,
2104   EL_EMPTY,
2105
2106   EL_EMPTY,
2107   EL_MOLE_DOWN,
2108   EL_BALLOON,
2109   EL_BALLOON_SWITCH_ANY,
2110
2111   EL_BALLOON_SWITCH_LEFT,
2112   EL_BALLOON_SWITCH_RIGHT,
2113   EL_BALLOON_SWITCH_UP,
2114   EL_BALLOON_SWITCH_DOWN,
2115
2116   EL_SATELLITE,
2117   EL_EXPANDABLE_WALL_HORIZONTAL,
2118   EL_EXPANDABLE_WALL_VERTICAL,
2119   EL_EXPANDABLE_WALL_ANY,
2120
2121   EL_INVISIBLE_STEELWALL,
2122   EL_INVISIBLE_WALL,
2123   EL_SPEED_PILL,
2124   EL_BLACK_ORB,
2125
2126   EL_EMC_STEELWALL_1,
2127   EL_EMC_WALL_1,
2128   EL_EMC_WALL_2,
2129   EL_EMC_WALL_3,
2130
2131   EL_EMC_WALL_4,
2132   EL_EMC_WALL_5,
2133   EL_EMC_WALL_6,
2134   EL_EMC_WALL_7,
2135 };
2136 static int num_editor_hl_more = SIZEOF_ARRAY_INT(editor_hl_more);
2137 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
2138
2139 static int editor_hl_sokoban[] =
2140 {
2141   EL_CHAR('S'),
2142   EL_CHAR('O'),
2143   EL_CHAR('K'),
2144   EL_CHAR('O'),
2145
2146   EL_CHAR('-'),
2147   EL_CHAR('B'),
2148   EL_CHAR('A'),
2149   EL_CHAR('N'),
2150 };
2151
2152 static int editor_el_sokoban[] =
2153 {
2154   EL_SOKOBAN_OBJECT,
2155   EL_SOKOBAN_FIELD_EMPTY,
2156   EL_SOKOBAN_FIELD_FULL,
2157   EL_STEELWALL,
2158 };
2159 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
2160 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
2161
2162 static int editor_hl_supaplex[] =
2163 {
2164   EL_CHAR('S'),
2165   EL_CHAR('U'),
2166   EL_CHAR('P'),
2167   EL_CHAR('A'),
2168
2169   EL_CHAR('P'),
2170   EL_CHAR('L'),
2171   EL_CHAR('E'),
2172   EL_CHAR('X'),
2173 };
2174
2175 static int editor_el_supaplex[] =
2176 {
2177 #if 1
2178   EL_EMPTY,
2179 #else
2180   EL_SP_EMPTY,
2181 #endif
2182   EL_SP_ZONK,
2183   EL_SP_BASE,
2184   EL_SP_MURPHY,
2185
2186   EL_SP_INFOTRON,
2187   EL_SP_CHIP_SINGLE,
2188   EL_SP_HARDWARE_GRAY,
2189   EL_SP_EXIT_CLOSED,
2190
2191   EL_SP_DISK_ORANGE,
2192   EL_SP_PORT_RIGHT,
2193   EL_SP_PORT_DOWN,
2194   EL_SP_PORT_LEFT,
2195
2196   EL_SP_PORT_UP,
2197   EL_SP_GRAVITY_PORT_RIGHT,
2198   EL_SP_GRAVITY_PORT_DOWN,
2199   EL_SP_GRAVITY_PORT_LEFT,
2200
2201   EL_SP_GRAVITY_PORT_UP,
2202   EL_SP_SNIKSNAK,
2203   EL_SP_DISK_YELLOW,
2204   EL_SP_TERMINAL,
2205
2206   EL_SP_DISK_RED,
2207   EL_SP_PORT_VERTICAL,
2208   EL_SP_PORT_HORIZONTAL,
2209   EL_SP_PORT_ANY,
2210
2211   EL_SP_ELECTRON,
2212   EL_SP_BUGGY_BASE,
2213   EL_SP_CHIP_LEFT,
2214   EL_SP_CHIP_RIGHT,
2215
2216   EL_SP_HARDWARE_BASE_1,
2217   EL_SP_HARDWARE_GREEN,
2218   EL_SP_HARDWARE_BLUE,
2219   EL_SP_HARDWARE_RED,
2220
2221   EL_SP_HARDWARE_YELLOW,
2222   EL_SP_HARDWARE_BASE_2,
2223   EL_SP_HARDWARE_BASE_3,
2224   EL_SP_HARDWARE_BASE_4,
2225
2226   EL_SP_HARDWARE_BASE_5,
2227   EL_SP_HARDWARE_BASE_6,
2228   EL_SP_CHIP_TOP,
2229   EL_SP_CHIP_BOTTOM,
2230 };
2231 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
2232 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
2233
2234 static int editor_hl_diamond_caves[] =
2235 {
2236   EL_CHAR('D'),
2237   EL_CHAR('I'),
2238   EL_CHAR('A'),
2239   EL_CHAR('-'),
2240
2241   EL_CHAR('M'),
2242   EL_CHAR('O'),
2243   EL_CHAR('N'),
2244   EL_CHAR('D'),
2245
2246   EL_CHAR('C'),
2247   EL_CHAR('A'),
2248   EL_CHAR('V'),
2249   EL_CHAR('E'),
2250
2251   EL_CHAR('S'),
2252   EL_CHAR(' '),
2253   EL_CHAR('I'),
2254   EL_CHAR('I'),
2255 };
2256
2257 static int editor_el_diamond_caves[] =
2258 {
2259   EL_PEARL,
2260   EL_CRYSTAL,
2261   EL_WALL_PEARL,
2262   EL_WALL_CRYSTAL,
2263
2264   EL_CONVEYOR_BELT_1_LEFT,
2265   EL_CONVEYOR_BELT_1_MIDDLE,
2266   EL_CONVEYOR_BELT_1_RIGHT,
2267   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2268
2269   EL_CONVEYOR_BELT_2_LEFT,
2270   EL_CONVEYOR_BELT_2_MIDDLE,
2271   EL_CONVEYOR_BELT_2_RIGHT,
2272   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2273
2274   EL_CONVEYOR_BELT_3_LEFT,
2275   EL_CONVEYOR_BELT_3_MIDDLE,
2276   EL_CONVEYOR_BELT_3_RIGHT,
2277   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2278
2279   EL_CONVEYOR_BELT_4_LEFT,
2280   EL_CONVEYOR_BELT_4_MIDDLE,
2281   EL_CONVEYOR_BELT_4_RIGHT,
2282   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2283
2284   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2285   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2286   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2287   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2288
2289   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2290   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2291   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2292   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2293
2294   EL_SWITCHGATE_OPEN,
2295   EL_SWITCHGATE_CLOSED,
2296   EL_SWITCHGATE_SWITCH_UP,
2297   EL_EMPTY,
2298
2299   EL_ENVELOPE_1,
2300   EL_ENVELOPE_2,
2301   EL_ENVELOPE_3,
2302   EL_ENVELOPE_4,
2303
2304   EL_TIMEGATE_CLOSED,
2305   EL_TIMEGATE_OPEN,
2306   EL_TIMEGATE_SWITCH,
2307   EL_EMPTY,
2308
2309   EL_LANDMINE,
2310   EL_INVISIBLE_SAND,
2311   EL_STEELWALL_SLIPPERY,
2312   EL_EMPTY,
2313
2314   EL_SIGN_EXCLAMATION,
2315   EL_SIGN_STOP,
2316   EL_LIGHT_SWITCH,
2317   EL_LIGHT_SWITCH_ACTIVE,
2318
2319   EL_SHIELD_NORMAL,
2320   EL_SHIELD_DEADLY,
2321   EL_EXTRA_TIME,
2322   EL_EMPTY,
2323 };
2324 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
2325 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
2326
2327 static int editor_hl_dx_boulderdash[] =
2328 {
2329   EL_CHAR('D'),
2330   EL_CHAR('X'),
2331   EL_CHAR('-'),
2332   EL_CHAR(' '),
2333
2334   EL_CHAR('B'),
2335   EL_CHAR('O'),
2336   EL_CHAR('U'),
2337   EL_CHAR('L'),
2338
2339   EL_CHAR('-'),
2340   EL_CHAR('D'),
2341   EL_CHAR('E'),
2342   EL_CHAR('R'),
2343
2344   EL_CHAR('D'),
2345   EL_CHAR('A'),
2346   EL_CHAR('S'),
2347   EL_CHAR('H'),
2348 };
2349
2350 static int editor_el_dx_boulderdash[] =
2351 {
2352   EL_SPRING,
2353   EL_TUBE_RIGHT_DOWN,
2354   EL_TUBE_HORIZONTAL_DOWN,
2355   EL_TUBE_LEFT_DOWN,
2356
2357   EL_TUBE_HORIZONTAL,
2358   EL_TUBE_VERTICAL_RIGHT,
2359   EL_TUBE_ANY,
2360   EL_TUBE_VERTICAL_LEFT,
2361
2362   EL_TUBE_VERTICAL,
2363   EL_TUBE_RIGHT_UP,
2364   EL_TUBE_HORIZONTAL_UP,
2365   EL_TUBE_LEFT_UP,
2366
2367   EL_TRAP,
2368   EL_DX_SUPABOMB,
2369   EL_EMPTY,
2370   EL_EMPTY
2371 };
2372 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
2373 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
2374
2375 static int editor_hl_chars[] =
2376 {
2377   EL_CHAR('T'),
2378   EL_CHAR('E'),
2379   EL_CHAR('X'),
2380   EL_CHAR('T'),
2381 };
2382
2383 static int editor_el_chars[] =
2384 {
2385   EL_CHAR(' '),
2386   EL_CHAR('!'),
2387   EL_CHAR('"'),
2388   EL_CHAR('#'),
2389
2390   EL_CHAR('$'),
2391   EL_CHAR('%'),
2392   EL_CHAR('&'),
2393   EL_CHAR('\''),
2394
2395   EL_CHAR('('),
2396   EL_CHAR(')'),
2397   EL_CHAR('*'),
2398   EL_CHAR('+'),
2399
2400   EL_CHAR(','),
2401   EL_CHAR('-'),
2402   EL_CHAR('.'),
2403   EL_CHAR('/'),
2404
2405   EL_CHAR('0'),
2406   EL_CHAR('1'),
2407   EL_CHAR('2'),
2408   EL_CHAR('3'),
2409
2410   EL_CHAR('4'),
2411   EL_CHAR('5'),
2412   EL_CHAR('6'),
2413   EL_CHAR('7'),
2414
2415   EL_CHAR('8'),
2416   EL_CHAR('9'),
2417   EL_CHAR(':'),
2418   EL_CHAR(';'),
2419
2420   EL_CHAR('<'),
2421   EL_CHAR('='),
2422   EL_CHAR('>'),
2423   EL_CHAR('?'),
2424
2425   EL_CHAR('@'),
2426   EL_CHAR('A'),
2427   EL_CHAR('B'),
2428   EL_CHAR('C'),
2429
2430   EL_CHAR('D'),
2431   EL_CHAR('E'),
2432   EL_CHAR('F'),
2433   EL_CHAR('G'),
2434
2435   EL_CHAR('H'),
2436   EL_CHAR('I'),
2437   EL_CHAR('J'),
2438   EL_CHAR('K'),
2439
2440   EL_CHAR('L'),
2441   EL_CHAR('M'),
2442   EL_CHAR('N'),
2443   EL_CHAR('O'),
2444
2445   EL_CHAR('P'),
2446   EL_CHAR('Q'),
2447   EL_CHAR('R'),
2448   EL_CHAR('S'),
2449
2450   EL_CHAR('T'),
2451   EL_CHAR('U'),
2452   EL_CHAR('V'),
2453   EL_CHAR('W'),
2454
2455   EL_CHAR('X'),
2456   EL_CHAR('Y'),
2457   EL_CHAR('Z'),
2458   EL_CHAR('['),
2459
2460   EL_CHAR('\\'),
2461   EL_CHAR(']'),
2462   EL_CHAR('^'),
2463   EL_CHAR('_'),
2464
2465   EL_CHAR('©'),
2466   EL_CHAR('Ä'),
2467   EL_CHAR('Ö'),
2468   EL_CHAR('Ü'),
2469
2470   EL_CHAR('°'),
2471   EL_CHAR('®'),
2472   EL_CHAR(FONT_ASCII_CURSOR),
2473   EL_CHAR(' ')
2474 };
2475 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
2476 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
2477
2478 static int editor_hl_custom[] =
2479 {
2480   EL_CHAR('C'),
2481   EL_CHAR('U'),
2482   EL_CHAR('S'),
2483   EL_CHAR('-'),
2484
2485   EL_CHAR('T'),
2486   EL_CHAR('O'),
2487   EL_CHAR('M'),
2488   EL_CHAR(' '),
2489
2490   EL_CHAR('E'),
2491   EL_CHAR('L'),
2492   EL_CHAR('E'),
2493   EL_CHAR('M'),
2494
2495   EL_CHAR('E'),
2496   EL_CHAR('N'),
2497   EL_CHAR('T'),
2498   EL_CHAR('S'),
2499 };
2500
2501 static int editor_el_custom[] =
2502 {
2503   EL_CUSTOM_START + 0,
2504   EL_CUSTOM_START + 1,
2505   EL_CUSTOM_START + 2,
2506   EL_CUSTOM_START + 3,
2507
2508   EL_CUSTOM_START + 4,
2509   EL_CUSTOM_START + 5,
2510   EL_CUSTOM_START + 6,
2511   EL_CUSTOM_START + 7,
2512
2513   EL_CUSTOM_START + 8,
2514   EL_CUSTOM_START + 9,
2515   EL_CUSTOM_START + 10,
2516   EL_CUSTOM_START + 11,
2517
2518   EL_CUSTOM_START + 12,
2519   EL_CUSTOM_START + 13,
2520   EL_CUSTOM_START + 14,
2521   EL_CUSTOM_START + 15,
2522
2523   EL_CUSTOM_START + 16,
2524   EL_CUSTOM_START + 17,
2525   EL_CUSTOM_START + 18,
2526   EL_CUSTOM_START + 19,
2527
2528   EL_CUSTOM_START + 20,
2529   EL_CUSTOM_START + 21,
2530   EL_CUSTOM_START + 22,
2531   EL_CUSTOM_START + 23,
2532
2533   EL_CUSTOM_START + 24,
2534   EL_CUSTOM_START + 25,
2535   EL_CUSTOM_START + 26,
2536   EL_CUSTOM_START + 27,
2537
2538   EL_CUSTOM_START + 28,
2539   EL_CUSTOM_START + 29,
2540   EL_CUSTOM_START + 30,
2541   EL_CUSTOM_START + 31,
2542
2543   EL_CUSTOM_START + 32,
2544   EL_CUSTOM_START + 33,
2545   EL_CUSTOM_START + 34,
2546   EL_CUSTOM_START + 35,
2547
2548   EL_CUSTOM_START + 36,
2549   EL_CUSTOM_START + 37,
2550   EL_CUSTOM_START + 38,
2551   EL_CUSTOM_START + 39,
2552
2553   EL_CUSTOM_START + 40,
2554   EL_CUSTOM_START + 41,
2555   EL_CUSTOM_START + 42,
2556   EL_CUSTOM_START + 43,
2557
2558   EL_CUSTOM_START + 44,
2559   EL_CUSTOM_START + 45,
2560   EL_CUSTOM_START + 46,
2561   EL_CUSTOM_START + 47,
2562
2563   EL_CUSTOM_START + 48,
2564   EL_CUSTOM_START + 49,
2565   EL_CUSTOM_START + 50,
2566   EL_CUSTOM_START + 51,
2567
2568   EL_CUSTOM_START + 52,
2569   EL_CUSTOM_START + 53,
2570   EL_CUSTOM_START + 54,
2571   EL_CUSTOM_START + 55,
2572
2573   EL_CUSTOM_START + 56,
2574   EL_CUSTOM_START + 57,
2575   EL_CUSTOM_START + 58,
2576   EL_CUSTOM_START + 59,
2577
2578   EL_CUSTOM_START + 60,
2579   EL_CUSTOM_START + 61,
2580   EL_CUSTOM_START + 62,
2581   EL_CUSTOM_START + 63,
2582
2583   EL_CUSTOM_START + 64,
2584   EL_CUSTOM_START + 65,
2585   EL_CUSTOM_START + 66,
2586   EL_CUSTOM_START + 67,
2587
2588   EL_CUSTOM_START + 68,
2589   EL_CUSTOM_START + 69,
2590   EL_CUSTOM_START + 70,
2591   EL_CUSTOM_START + 71,
2592
2593   EL_CUSTOM_START + 72,
2594   EL_CUSTOM_START + 73,
2595   EL_CUSTOM_START + 74,
2596   EL_CUSTOM_START + 75,
2597
2598   EL_CUSTOM_START + 76,
2599   EL_CUSTOM_START + 77,
2600   EL_CUSTOM_START + 78,
2601   EL_CUSTOM_START + 79,
2602
2603   EL_CUSTOM_START + 80,
2604   EL_CUSTOM_START + 81,
2605   EL_CUSTOM_START + 82,
2606   EL_CUSTOM_START + 83,
2607
2608   EL_CUSTOM_START + 84,
2609   EL_CUSTOM_START + 85,
2610   EL_CUSTOM_START + 86,
2611   EL_CUSTOM_START + 87,
2612
2613   EL_CUSTOM_START + 88,
2614   EL_CUSTOM_START + 89,
2615   EL_CUSTOM_START + 90,
2616   EL_CUSTOM_START + 91,
2617
2618   EL_CUSTOM_START + 92,
2619   EL_CUSTOM_START + 93,
2620   EL_CUSTOM_START + 94,
2621   EL_CUSTOM_START + 95,
2622
2623   EL_CUSTOM_START + 96,
2624   EL_CUSTOM_START + 97,
2625   EL_CUSTOM_START + 98,
2626   EL_CUSTOM_START + 99,
2627
2628   EL_CUSTOM_START + 100,
2629   EL_CUSTOM_START + 101,
2630   EL_CUSTOM_START + 102,
2631   EL_CUSTOM_START + 103,
2632
2633   EL_CUSTOM_START + 104,
2634   EL_CUSTOM_START + 105,
2635   EL_CUSTOM_START + 106,
2636   EL_CUSTOM_START + 107,
2637
2638   EL_CUSTOM_START + 108,
2639   EL_CUSTOM_START + 109,
2640   EL_CUSTOM_START + 110,
2641   EL_CUSTOM_START + 111,
2642
2643   EL_CUSTOM_START + 112,
2644   EL_CUSTOM_START + 113,
2645   EL_CUSTOM_START + 114,
2646   EL_CUSTOM_START + 115,
2647
2648   EL_CUSTOM_START + 116,
2649   EL_CUSTOM_START + 117,
2650   EL_CUSTOM_START + 118,
2651   EL_CUSTOM_START + 119,
2652
2653   EL_CUSTOM_START + 120,
2654   EL_CUSTOM_START + 121,
2655   EL_CUSTOM_START + 122,
2656   EL_CUSTOM_START + 123,
2657
2658   EL_CUSTOM_START + 124,
2659   EL_CUSTOM_START + 125,
2660   EL_CUSTOM_START + 126,
2661   EL_CUSTOM_START + 127
2662 };
2663 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
2664 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
2665
2666 static int editor_hl_custom_more[] =
2667 {
2668 };
2669
2670 static int editor_el_custom_more[] =
2671 {
2672   EL_CUSTOM_START + 128,
2673   EL_CUSTOM_START + 129,
2674   EL_CUSTOM_START + 130,
2675   EL_CUSTOM_START + 131,
2676
2677   EL_CUSTOM_START + 132,
2678   EL_CUSTOM_START + 133,
2679   EL_CUSTOM_START + 134,
2680   EL_CUSTOM_START + 135,
2681
2682   EL_CUSTOM_START + 136,
2683   EL_CUSTOM_START + 137,
2684   EL_CUSTOM_START + 138,
2685   EL_CUSTOM_START + 139,
2686
2687   EL_CUSTOM_START + 140,
2688   EL_CUSTOM_START + 141,
2689   EL_CUSTOM_START + 142,
2690   EL_CUSTOM_START + 143,
2691
2692   EL_CUSTOM_START + 144,
2693   EL_CUSTOM_START + 145,
2694   EL_CUSTOM_START + 146,
2695   EL_CUSTOM_START + 147,
2696
2697   EL_CUSTOM_START + 148,
2698   EL_CUSTOM_START + 149,
2699   EL_CUSTOM_START + 150,
2700   EL_CUSTOM_START + 151,
2701
2702   EL_CUSTOM_START + 152,
2703   EL_CUSTOM_START + 153,
2704   EL_CUSTOM_START + 154,
2705   EL_CUSTOM_START + 155,
2706
2707   EL_CUSTOM_START + 156,
2708   EL_CUSTOM_START + 157,
2709   EL_CUSTOM_START + 158,
2710   EL_CUSTOM_START + 159,
2711
2712   EL_CUSTOM_START + 160,
2713   EL_CUSTOM_START + 161,
2714   EL_CUSTOM_START + 162,
2715   EL_CUSTOM_START + 163,
2716
2717   EL_CUSTOM_START + 164,
2718   EL_CUSTOM_START + 165,
2719   EL_CUSTOM_START + 166,
2720   EL_CUSTOM_START + 167,
2721
2722   EL_CUSTOM_START + 168,
2723   EL_CUSTOM_START + 169,
2724   EL_CUSTOM_START + 170,
2725   EL_CUSTOM_START + 171,
2726
2727   EL_CUSTOM_START + 172,
2728   EL_CUSTOM_START + 173,
2729   EL_CUSTOM_START + 174,
2730   EL_CUSTOM_START + 175,
2731
2732   EL_CUSTOM_START + 176,
2733   EL_CUSTOM_START + 177,
2734   EL_CUSTOM_START + 178,
2735   EL_CUSTOM_START + 179,
2736
2737   EL_CUSTOM_START + 180,
2738   EL_CUSTOM_START + 181,
2739   EL_CUSTOM_START + 182,
2740   EL_CUSTOM_START + 183,
2741
2742   EL_CUSTOM_START + 184,
2743   EL_CUSTOM_START + 185,
2744   EL_CUSTOM_START + 186,
2745   EL_CUSTOM_START + 187,
2746
2747   EL_CUSTOM_START + 188,
2748   EL_CUSTOM_START + 189,
2749   EL_CUSTOM_START + 190,
2750   EL_CUSTOM_START + 191,
2751
2752   EL_CUSTOM_START + 192,
2753   EL_CUSTOM_START + 193,
2754   EL_CUSTOM_START + 194,
2755   EL_CUSTOM_START + 195,
2756
2757   EL_CUSTOM_START + 196,
2758   EL_CUSTOM_START + 197,
2759   EL_CUSTOM_START + 198,
2760   EL_CUSTOM_START + 199,
2761
2762   EL_CUSTOM_START + 200,
2763   EL_CUSTOM_START + 201,
2764   EL_CUSTOM_START + 202,
2765   EL_CUSTOM_START + 203,
2766
2767   EL_CUSTOM_START + 204,
2768   EL_CUSTOM_START + 205,
2769   EL_CUSTOM_START + 206,
2770   EL_CUSTOM_START + 207,
2771
2772   EL_CUSTOM_START + 208,
2773   EL_CUSTOM_START + 209,
2774   EL_CUSTOM_START + 210,
2775   EL_CUSTOM_START + 211,
2776
2777   EL_CUSTOM_START + 212,
2778   EL_CUSTOM_START + 213,
2779   EL_CUSTOM_START + 214,
2780   EL_CUSTOM_START + 215,
2781
2782   EL_CUSTOM_START + 216,
2783   EL_CUSTOM_START + 217,
2784   EL_CUSTOM_START + 218,
2785   EL_CUSTOM_START + 219,
2786
2787   EL_CUSTOM_START + 220,
2788   EL_CUSTOM_START + 221,
2789   EL_CUSTOM_START + 222,
2790   EL_CUSTOM_START + 223,
2791
2792   EL_CUSTOM_START + 224,
2793   EL_CUSTOM_START + 225,
2794   EL_CUSTOM_START + 226,
2795   EL_CUSTOM_START + 227,
2796
2797   EL_CUSTOM_START + 228,
2798   EL_CUSTOM_START + 229,
2799   EL_CUSTOM_START + 230,
2800   EL_CUSTOM_START + 231,
2801
2802   EL_CUSTOM_START + 232,
2803   EL_CUSTOM_START + 233,
2804   EL_CUSTOM_START + 234,
2805   EL_CUSTOM_START + 235,
2806
2807   EL_CUSTOM_START + 236,
2808   EL_CUSTOM_START + 237,
2809   EL_CUSTOM_START + 238,
2810   EL_CUSTOM_START + 239,
2811
2812   EL_CUSTOM_START + 240,
2813   EL_CUSTOM_START + 241,
2814   EL_CUSTOM_START + 242,
2815   EL_CUSTOM_START + 243,
2816
2817   EL_CUSTOM_START + 244,
2818   EL_CUSTOM_START + 245,
2819   EL_CUSTOM_START + 246,
2820   EL_CUSTOM_START + 247,
2821
2822   EL_CUSTOM_START + 248,
2823   EL_CUSTOM_START + 249,
2824   EL_CUSTOM_START + 250,
2825   EL_CUSTOM_START + 251,
2826
2827   EL_CUSTOM_START + 252,
2828   EL_CUSTOM_START + 253,
2829   EL_CUSTOM_START + 254,
2830   EL_CUSTOM_START + 255
2831 };
2832 static int num_editor_hl_custom_more = SIZEOF_ARRAY_INT(editor_hl_custom_more);
2833 static int num_editor_el_custom_more = SIZEOF_ARRAY_INT(editor_el_custom_more);
2834
2835 static int *editor_elements = NULL;     /* dynamically allocated */
2836 static int num_editor_elements = 0;     /* dynamically determined */
2837
2838 static struct
2839 {
2840   boolean *setup_value;
2841
2842   int *headline_list;
2843   int *headline_list_size;
2844
2845   int *element_list;
2846   int *element_list_size;
2847
2848   boolean last_setup_value;
2849 }
2850 editor_elements_info[] =
2851 {
2852   {
2853     &setup.editor.el_boulderdash,
2854     editor_hl_boulderdash,              &num_editor_hl_boulderdash,
2855     editor_el_boulderdash,              &num_editor_el_boulderdash
2856   },
2857   {
2858     &setup.editor.el_emerald_mine,
2859     editor_hl_emerald_mine,             &num_editor_hl_emerald_mine,
2860     editor_el_emerald_mine,             &num_editor_el_emerald_mine
2861   },
2862   {
2863     &setup.editor.el_more,
2864     editor_hl_more,                     &num_editor_hl_more,
2865     editor_el_more,                     &num_editor_el_more
2866   },
2867   {
2868     &setup.editor.el_sokoban,
2869     editor_hl_sokoban,                  &num_editor_hl_sokoban,
2870     editor_el_sokoban,                  &num_editor_el_sokoban
2871   },
2872   {
2873     &setup.editor.el_supaplex,
2874     editor_hl_supaplex,                 &num_editor_hl_supaplex,
2875     editor_el_supaplex,                 &num_editor_el_supaplex
2876   },
2877   {
2878     &setup.editor.el_diamond_caves,
2879     editor_hl_diamond_caves,            &num_editor_hl_diamond_caves,
2880     editor_el_diamond_caves,            &num_editor_el_diamond_caves
2881   },
2882   {
2883     &setup.editor.el_dx_boulderdash,
2884     editor_hl_dx_boulderdash,           &num_editor_hl_dx_boulderdash,
2885     editor_el_dx_boulderdash,           &num_editor_el_dx_boulderdash
2886   },
2887   {
2888     &setup.editor.el_chars,
2889     editor_hl_chars,                    &num_editor_hl_chars,
2890     editor_el_chars,                    &num_editor_el_chars
2891   },
2892   {
2893     &setup.editor.el_custom,
2894     editor_hl_custom,                   &num_editor_hl_custom,
2895     editor_el_custom,                   &num_editor_el_custom
2896   },
2897   {
2898     &setup.editor.el_custom_more,
2899     editor_hl_custom_more,              &num_editor_hl_custom_more,
2900     editor_el_custom_more,              &num_editor_el_custom_more
2901   },
2902   {
2903     NULL,
2904     NULL,                               NULL,
2905     NULL,                               NULL
2906   }
2907 };
2908
2909
2910 /*
2911   -----------------------------------------------------------------------------
2912   functions
2913   -----------------------------------------------------------------------------
2914 */
2915
2916 static int getMaxInfoTextLength()
2917 {
2918   return (SXSIZE / getFontWidth(FONT_TEXT_2));
2919 }
2920
2921 static int getTextWidthForGadget(char *text)
2922 {
2923   if (text == NULL)
2924     return 0;
2925
2926   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
2927 }
2928
2929 static int getTextWidthForDrawingArea(char *text)
2930 {
2931   if (text == NULL)
2932     return 0;
2933
2934   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
2935 }
2936
2937 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
2938 {
2939   return (gi->x + gi->width + getTextWidthForGadget(text));
2940 }
2941
2942 static char *getElementInfoText(int element)
2943 {
2944   char *info_text = NULL;
2945
2946   if (element < NUM_FILE_ELEMENTS)
2947   {
2948     if (strlen(element_info[element].description) > 0)
2949       info_text = element_info[element].description;
2950     else if (element_info[element].custom_description != NULL)
2951       info_text = element_info[element].custom_description;
2952     else if (element_info[element].editor_description != NULL)
2953       info_text = element_info[element].editor_description;
2954   }
2955
2956   if (info_text == NULL)
2957     info_text = INFOTEXT_UNKNOWN_ELEMENT;
2958
2959   return info_text;
2960 }
2961
2962 static void ReinitializeElementList()
2963 {
2964   static boolean initialized = FALSE;
2965   int pos = 0;
2966   int i, j;
2967
2968   if (editor_elements != NULL)
2969     free(editor_elements);
2970
2971   /* do some sanity check for each element from element list at startup */
2972   if (!initialized)
2973   {
2974     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2975     {
2976       for (j=0; j < *editor_elements_info[i].element_list_size; j++)
2977       {
2978         int element = editor_elements_info[i].element_list[j];
2979
2980         if (element >= NUM_FILE_ELEMENTS)
2981           Error(ERR_WARN, "editor element %d is runtime element", element);
2982
2983         if (strcmp(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT) == 0)
2984           Error(ERR_WARN, "no element description for element %d", element);
2985       }
2986     }
2987
2988     initialized = TRUE;
2989   }
2990
2991   num_editor_elements = 0;
2992
2993   /* determine size of element list */
2994   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2995   {
2996     if (*editor_elements_info[i].setup_value)
2997     {
2998       if (setup.editor.el_headlines)
2999         num_editor_elements += *editor_elements_info[i].headline_list_size;
3000
3001       num_editor_elements += *editor_elements_info[i].element_list_size;
3002     }
3003   }
3004
3005   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
3006   {
3007     /* workaround: offer at least as many elements as element buttons exist */
3008     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
3009
3010     *editor_elements_info[list_nr].setup_value = TRUE;
3011     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
3012   }
3013
3014   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
3015
3016   /* fill element list */
3017   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
3018   {
3019     if (*editor_elements_info[i].setup_value)
3020     {
3021       if (setup.editor.el_headlines)
3022         for (j=0; j < *editor_elements_info[i].headline_list_size; j++)
3023           editor_elements[pos++] = editor_elements_info[i].headline_list[j];
3024
3025       for (j=0; j < *editor_elements_info[i].element_list_size; j++)
3026         editor_elements[pos++] = editor_elements_info[i].element_list[j];
3027     }
3028   }
3029
3030   /* correct position of element list scrollbar */
3031   if (element_shift < 0)
3032     element_shift = 0;
3033   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
3034     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
3035 }
3036
3037 static void ReinitializeElementListButtons()
3038 {
3039   static boolean last_setup_value_headlines = FALSE;
3040   static boolean initialization_needed = TRUE;
3041   int i;
3042
3043   if (!initialization_needed)   /* check if editor element setup has changed */
3044   {
3045     if (last_setup_value_headlines != setup.editor.el_headlines)
3046       initialization_needed = TRUE;
3047
3048     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
3049       if (editor_elements_info[i].last_setup_value !=
3050           *editor_elements_info[i].setup_value)
3051         initialization_needed = TRUE;
3052   }
3053
3054   if (!initialization_needed)
3055     return;
3056
3057   FreeLevelEditorGadgets();
3058   CreateLevelEditorGadgets();
3059
3060   /* store current setup values for next invocation of this function */
3061   last_setup_value_headlines = setup.editor.el_headlines;
3062   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
3063     editor_elements_info[i].last_setup_value =
3064       *editor_elements_info[i].setup_value;
3065
3066   initialization_needed = FALSE;
3067 }
3068
3069 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
3070                               boolean input)
3071 {
3072   int border_graphic =
3073     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
3074   Bitmap *src_bitmap;
3075   int src_x, src_y;
3076   int num_mini_tilex = width / MINI_TILEX + 1;
3077   int num_mini_tiley = width / MINI_TILEY + 1;
3078   int x, y;
3079
3080   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3081
3082   for (y=0; y < num_mini_tiley; y++)
3083     for (x=0; x < num_mini_tilex; x++)
3084       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3085                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3086                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3087
3088   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3089 }
3090
3091 static void DrawDrawingArea(int id)
3092 {
3093   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
3094   int x, y;
3095
3096   if (id == ED_DRAWING_ID_RANDOM_BACKGROUND)
3097     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3098                        el2edimg(random_placement_background_element));
3099   else if (id == ED_DRAWING_ID_AMOEBA_CONTENT)
3100     DrawMiniGraphicExt(drawto, gi->x, gi->y, el2edimg(level.amoeba_content));
3101   else if (id == ED_DRAWING_ID_CUSTOM_GRAPHIC)
3102     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3103                        el2edimg(custom_element.gfx_element));
3104   else if (id == ED_DRAWING_ID_CUSTOM_CONTENT)
3105     for (y=0; y<3; y++)
3106       for (x=0; x<3; x++)
3107         DrawMiniGraphicExt(drawto,
3108                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3109                            el2edimg(custom_element.content[x][y]));
3110   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TARGET)
3111     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3112                        el2edimg(custom_element_change.target_element));
3113   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT)
3114     for (y=0; y < 3; y++)
3115       for (x=0; x < 3; x++)
3116         DrawMiniGraphicExt(drawto,
3117                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3118                            el2edimg(custom_element_change.content[x][y]));
3119   else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER)
3120     DrawMiniGraphicExt(drawto, gi->x, gi->y,
3121                        el2edimg(custom_element_change.trigger_element));
3122   else if (id >= ED_DRAWING_ID_ELEMENT_CONTENT_0 &&
3123            id <= ED_DRAWING_ID_ELEMENT_CONTENT_7)
3124   {
3125     int nr = id - ED_DRAWING_ID_ELEMENT_CONTENT_0;
3126
3127     for (y=0; y < 3; y++)
3128       for (x=0; x < 3; x++)
3129         DrawMiniGraphicExt(drawto,
3130                            gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
3131                            el2edimg(level.yamyam_content[nr][x][y]));
3132   }
3133 }
3134
3135 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
3136 {
3137   int x,y;
3138   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
3139   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
3140
3141   BlitBitmap(drawto, drawto,
3142              SX + (dx == -1 ? MINI_TILEX : 0),
3143              SY + (dy == -1 ? MINI_TILEY : 0),
3144              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
3145              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
3146              SX + (dx == +1 ? MINI_TILEX : 0),
3147              SY + (dy == +1 ? MINI_TILEY : 0));
3148   if (dx)
3149   {
3150     x = (dx == 1 ? 0 : ed_fieldx - 1);
3151     for(y=0; y<ed_fieldy; y++)
3152       DrawMiniElementOrWall(x, y, from_x, from_y);
3153   }
3154   else if (dy)
3155   {
3156     y = (dy == 1 ? 0 : ed_fieldy - 1);
3157     for(x=0; x<ed_fieldx; x++)
3158       DrawMiniElementOrWall(x, y, from_x, from_y);
3159   }
3160
3161   redraw_mask |= REDRAW_FIELD;
3162   BackToFront();
3163 }
3164
3165 static void CreateControlButtons()
3166 {
3167   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3168   struct GadgetInfo *gi;
3169   unsigned long event_mask;
3170   int i;
3171
3172   /* create toolbox buttons */
3173   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
3174   {
3175     int id = i;
3176     int width, height;
3177     int gd_xoffset, gd_yoffset;
3178     int gd_x1, gd_x2, gd_y1, gd_y2;
3179     int button_type;
3180     int radio_button_nr;
3181     boolean checked;
3182
3183     if (id == GADGET_ID_SINGLE_ITEMS ||
3184         id == GADGET_ID_CONNECTED_ITEMS ||
3185         id == GADGET_ID_LINE ||
3186         id == GADGET_ID_ARC ||
3187         id == GADGET_ID_TEXT ||
3188         id == GADGET_ID_RECTANGLE ||
3189         id == GADGET_ID_FILLED_BOX ||
3190         id == GADGET_ID_FLOOD_FILL ||
3191         id == GADGET_ID_GRAB_BRUSH ||
3192         id == GADGET_ID_PICK_ELEMENT)
3193     {
3194       button_type = GD_TYPE_RADIO_BUTTON;
3195       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
3196       checked = (id == drawing_function ? TRUE : FALSE);
3197       event_mask = GD_EVENT_PRESSED;
3198     }
3199     else
3200     {
3201       button_type = GD_TYPE_NORMAL_BUTTON;
3202       radio_button_nr = RADIO_NR_NONE;
3203       checked = FALSE;
3204
3205       if (id == GADGET_ID_WRAP_LEFT ||
3206           id == GADGET_ID_WRAP_RIGHT ||
3207           id == GADGET_ID_WRAP_UP ||
3208           id == GADGET_ID_WRAP_DOWN)
3209         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3210       else
3211         event_mask = GD_EVENT_RELEASED;
3212     }
3213
3214     if (id < ED_NUM_CTRL1_BUTTONS)
3215     {
3216       int x = i % ED_CTRL1_BUTTONS_HORIZ;
3217       int y = i / ED_CTRL1_BUTTONS_HORIZ;
3218
3219       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
3220       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
3221       width = ED_CTRL1_BUTTON_XSIZE;
3222       height = ED_CTRL1_BUTTON_YSIZE;
3223     }
3224     else
3225     {
3226       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
3227       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
3228
3229       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
3230       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
3231       width = ED_CTRL2_BUTTON_XSIZE;
3232       height = ED_CTRL2_BUTTON_YSIZE;
3233     }
3234
3235     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
3236     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
3237     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
3238     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
3239
3240     gi = CreateGadget(GDI_CUSTOM_ID, id,
3241                       GDI_CUSTOM_TYPE_ID, i,
3242                       GDI_INFO_TEXT, control_info[i].text,
3243                       GDI_X, EX + gd_xoffset,
3244                       GDI_Y, EY + gd_yoffset,
3245                       GDI_WIDTH, width,
3246                       GDI_HEIGHT, height,
3247                       GDI_TYPE, button_type,
3248                       GDI_STATE, GD_BUTTON_UNPRESSED,
3249                       GDI_RADIO_NR, radio_button_nr,
3250                       GDI_CHECKED, checked,
3251                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3252                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3253                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3254                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3255                       GDI_EVENT_MASK, event_mask,
3256                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3257                       GDI_CALLBACK_ACTION, HandleControlButtons,
3258                       GDI_END);
3259
3260     if (gi == NULL)
3261       Error(ERR_EXIT, "cannot create gadget");
3262
3263     level_editor_gadget[id] = gi;
3264   }
3265
3266   /* create buttons for scrolling of drawing area and element list */
3267   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
3268   {
3269     int id = scrollbutton_info[i].gadget_id;
3270     int x, y, width, height;
3271     int gd_x1, gd_x2, gd_y1, gd_y2;
3272
3273     x = scrollbutton_info[i].x;
3274     y = scrollbutton_info[i].y;
3275
3276     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3277
3278     if (id == GADGET_ID_SCROLL_LIST_UP ||
3279         id == GADGET_ID_SCROLL_LIST_DOWN)
3280     {
3281       x += DX;
3282       y += DY;
3283       width = ED_SCROLLBUTTON2_XSIZE;
3284       height = ED_SCROLLBUTTON2_YSIZE;
3285       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
3286       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
3287       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
3288       gd_y2 = gd_y1;
3289     }
3290     else
3291     {
3292       x += SX;
3293       y += SY;
3294       width = ED_SCROLLBUTTON_XSIZE;
3295       height = ED_SCROLLBUTTON_YSIZE;
3296       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
3297       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
3298       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
3299       gd_y2 = gd_y1;
3300     }
3301
3302     gi = CreateGadget(GDI_CUSTOM_ID, id,
3303                       GDI_CUSTOM_TYPE_ID, i,
3304                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
3305                       GDI_X, x,
3306                       GDI_Y, y,
3307                       GDI_WIDTH, width,
3308                       GDI_HEIGHT, height,
3309                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3310                       GDI_STATE, GD_BUTTON_UNPRESSED,
3311                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3312                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3313                       GDI_EVENT_MASK, event_mask,
3314                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3315                       GDI_CALLBACK_ACTION, HandleControlButtons,
3316                       GDI_END);
3317
3318     if (gi == NULL)
3319       Error(ERR_EXIT, "cannot create gadget");
3320
3321     level_editor_gadget[id] = gi;
3322   }
3323
3324   /* create buttons for element list */
3325   for (i=0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
3326   {
3327     Bitmap *deco_bitmap;
3328     int deco_x, deco_y, deco_xpos, deco_ypos;
3329     int gd_xoffset, gd_yoffset;
3330     int gd_x1, gd_x2, gd_y;
3331     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
3332     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
3333     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
3334     int element = editor_elements[i];
3335
3336     event_mask = GD_EVENT_RELEASED;
3337
3338     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
3339     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
3340
3341     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
3342     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
3343     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
3344
3345     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
3346     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
3347     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
3348
3349     gi = CreateGadget(GDI_CUSTOM_ID, id,
3350                       GDI_CUSTOM_TYPE_ID, i,
3351                       GDI_INFO_TEXT, getElementInfoText(element),
3352                       GDI_X, DX + gd_xoffset,
3353                       GDI_Y, DY + gd_yoffset,
3354                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
3355                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
3356                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3357                       GDI_STATE, GD_BUTTON_UNPRESSED,
3358                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3359                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3360                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
3361                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
3362                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
3363                       GDI_DECORATION_SHIFTING, 1, 1,
3364                       GDI_EVENT_MASK, event_mask,
3365                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3366                       GDI_CALLBACK_ACTION, HandleControlButtons,
3367                       GDI_END);
3368
3369     if (gi == NULL)
3370       Error(ERR_EXIT, "cannot create gadget");
3371
3372     level_editor_gadget[id] = gi;
3373   }
3374 }
3375
3376 static void CreateCounterButtons()
3377 {
3378   int max_infotext_len = getMaxInfoTextLength();
3379   int i;
3380
3381   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
3382   {
3383     int j;
3384     int x = SX + counterbutton_info[i].x;       /* down count button */
3385     int y = SY + counterbutton_info[i].y;
3386
3387     /* determine horizontal position to the right of specified gadget */
3388     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3389       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
3390            ED_GADGET_TEXT_DISTANCE);
3391
3392     /* determine horizontal offset for leading text */
3393     if (counterbutton_info[i].text_left != NULL)
3394       x += getTextWidthForGadget(counterbutton_info[i].text_left);
3395
3396     for (j=0; j<2; j++)
3397     {
3398       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3399       struct GadgetInfo *gi;
3400       int id = (j == 0 ?
3401                 counterbutton_info[i].gadget_id_down :
3402                 counterbutton_info[i].gadget_id_up);
3403       int gd_xoffset;
3404       int gd_x, gd_x1, gd_x2, gd_y;
3405       int x_size, y_size;
3406       unsigned long event_mask;
3407       char infotext[max_infotext_len + 1];
3408
3409       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3410
3411       if (i == ED_COUNTER_ID_SELECT_LEVEL)
3412       {
3413         int sid = (j == 0 ?
3414                    ED_SCROLLBUTTON_ID_AREA_LEFT :
3415                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
3416
3417         event_mask |= GD_EVENT_RELEASED;
3418
3419         if (j == 1)
3420           x += 2 * ED_GADGET_DISTANCE;
3421         y += ED_GADGET_DISTANCE;
3422
3423         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
3424         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
3425         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
3426         x_size = ED_SCROLLBUTTON_XSIZE;
3427         y_size = ED_SCROLLBUTTON_YSIZE;
3428       }
3429       else
3430       {
3431         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
3432         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
3433         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
3434         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
3435         x_size = ED_BUTTON_COUNT_XSIZE;
3436         y_size = ED_BUTTON_COUNT_YSIZE;
3437       }
3438
3439       sprintf(infotext, "%s counter value by 1, 5 or 10",
3440               (j == 0 ? "decrease" : "increase"));
3441
3442       gi = CreateGadget(GDI_CUSTOM_ID, id,
3443                         GDI_CUSTOM_TYPE_ID, i,
3444                         GDI_INFO_TEXT, infotext,
3445                         GDI_X, x,
3446                         GDI_Y, y,
3447                         GDI_WIDTH, x_size,
3448                         GDI_HEIGHT, y_size,
3449                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3450                         GDI_STATE, GD_BUTTON_UNPRESSED,
3451                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3452                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3453                         GDI_EVENT_MASK, event_mask,
3454                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3455                         GDI_CALLBACK_ACTION, HandleCounterButtons,
3456                         GDI_END);
3457
3458       if (gi == NULL)
3459         Error(ERR_EXIT, "cannot create gadget");
3460
3461       level_editor_gadget[id] = gi;
3462       right_gadget_border[id] =
3463         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
3464
3465       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
3466
3467       if (j == 0)
3468       {
3469         int font_type = FONT_INPUT_1;
3470         int font_type_active = FONT_INPUT_1_ACTIVE;
3471         int gd_width = ED_WIN_COUNT_XSIZE;
3472
3473         id = counterbutton_info[i].gadget_id_text;
3474         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3475
3476         if (i == ED_COUNTER_ID_SELECT_LEVEL)
3477         {
3478           font_type = FONT_LEVEL_NUMBER;
3479           font_type_active = FONT_LEVEL_NUMBER;
3480
3481           x += 2 * ED_GADGET_DISTANCE;
3482           y -= ED_GADGET_DISTANCE;
3483
3484           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
3485           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
3486           gd_width = ED_WIN_COUNT2_XSIZE;
3487         }
3488         else
3489         {
3490           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3491           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3492         }
3493
3494         gi = CreateGadget(GDI_CUSTOM_ID, id,
3495                           GDI_CUSTOM_TYPE_ID, i,
3496                           GDI_INFO_TEXT, "enter counter value",
3497                           GDI_X, x,
3498                           GDI_Y, y,
3499                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
3500                           GDI_NUMBER_VALUE, 0,
3501                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
3502                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
3503                           GDI_TEXT_SIZE, 3,
3504                           GDI_TEXT_FONT, font_type,
3505                           GDI_TEXT_FONT_ACTIVE, font_type_active,
3506                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3507                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3508                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3509                           GDI_DESIGN_WIDTH, gd_width,
3510                           GDI_EVENT_MASK, event_mask,
3511                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3512                           GDI_CALLBACK_ACTION, HandleCounterButtons,
3513                           GDI_END);
3514
3515         if (gi == NULL)
3516           Error(ERR_EXIT, "cannot create gadget");
3517
3518         level_editor_gadget[id] = gi;
3519         right_gadget_border[id] =
3520           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
3521
3522         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
3523       }
3524     }
3525   }
3526 }
3527
3528 static void CreateDrawingAreas()
3529 {
3530   int i;
3531
3532   for (i=0; i<ED_NUM_DRAWING_AREAS; i++)
3533   {
3534     struct GadgetInfo *gi;
3535     unsigned long event_mask;
3536     int id = drawingarea_info[i].gadget_id;
3537     int x = SX + drawingarea_info[i].x;
3538     int y = SY + drawingarea_info[i].y;
3539     int area_xsize = drawingarea_info[i].area_xsize;
3540     int area_ysize = drawingarea_info[i].area_ysize;
3541
3542     event_mask =
3543       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
3544       GD_EVENT_OFF_BORDERS;
3545
3546     /* determine horizontal position to the right of specified gadget */
3547     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
3548       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
3549            ED_DRAWINGAREA_TEXT_DISTANCE);
3550
3551     /* determine horizontal offset for leading text */
3552     if (drawingarea_info[i].text_left != NULL)
3553       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
3554
3555     gi = CreateGadget(GDI_CUSTOM_ID, id,
3556                       GDI_CUSTOM_TYPE_ID, i,
3557                       GDI_X, x,
3558                       GDI_Y, y,
3559                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
3560                       GDI_AREA_SIZE, area_xsize, area_ysize,
3561                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
3562                       GDI_EVENT_MASK, event_mask,
3563                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
3564                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
3565                       GDI_END);
3566
3567     if (gi == NULL)
3568       Error(ERR_EXIT, "cannot create gadget");
3569
3570     level_editor_gadget[id] = gi;
3571     right_gadget_border[id] =
3572       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
3573   }
3574 }
3575
3576 static void CreateTextInputGadgets()
3577 {
3578   int max_infotext_len = getMaxInfoTextLength();
3579   int i;
3580
3581   for (i=0; i<ED_NUM_TEXTINPUT; i++)
3582   {
3583     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3584     int gd_x, gd_y;
3585     struct GadgetInfo *gi;
3586     unsigned long event_mask;
3587     char infotext[MAX_OUTPUT_LINESIZE + 1];
3588     int id = textinput_info[i].gadget_id;
3589
3590     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3591
3592     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3593     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3594
3595     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
3596     infotext[max_infotext_len] = '\0';
3597
3598     gi = CreateGadget(GDI_CUSTOM_ID, id,
3599                       GDI_CUSTOM_TYPE_ID, i,
3600                       GDI_INFO_TEXT, infotext,
3601                       GDI_X, SX + textinput_info[i].x,
3602                       GDI_Y, SY + textinput_info[i].y,
3603                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
3604                       GDI_TEXT_VALUE, textinput_info[i].value,
3605                       GDI_TEXT_SIZE, textinput_info[i].size,
3606                       GDI_TEXT_FONT, FONT_INPUT_1,
3607                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3608                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3609                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3610                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3611                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3612                       GDI_EVENT_MASK, event_mask,
3613                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3614                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
3615                       GDI_END);
3616
3617     if (gi == NULL)
3618       Error(ERR_EXIT, "cannot create gadget");
3619
3620     level_editor_gadget[id] = gi;
3621   }
3622 }
3623
3624 static void CreateTextAreaGadgets()
3625 {
3626   int max_infotext_len = getMaxInfoTextLength();
3627   int i;
3628
3629   for (i=0; i<ED_NUM_TEXTAREAS; i++)
3630   {
3631     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3632     int gd_x, gd_y;
3633     struct GadgetInfo *gi;
3634     unsigned long event_mask;
3635     char infotext[MAX_OUTPUT_LINESIZE + 1];
3636     int id = textarea_info[i].gadget_id;
3637     int area_xsize = textarea_info[i].xsize;
3638     int area_ysize = textarea_info[i].ysize;
3639
3640     event_mask = GD_EVENT_TEXT_LEAVING;
3641
3642     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3643     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3644
3645     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
3646     infotext[max_infotext_len] = '\0';
3647
3648     gi = CreateGadget(GDI_CUSTOM_ID, id,
3649                       GDI_CUSTOM_TYPE_ID, i,
3650                       GDI_INFO_TEXT, infotext,
3651                       GDI_X, SX + textarea_info[i].x,
3652                       GDI_Y, SY + textarea_info[i].y,
3653                       GDI_TYPE, GD_TYPE_TEXT_AREA,
3654                       GDI_AREA_SIZE, area_xsize, area_ysize,
3655                       GDI_TEXT_FONT, FONT_INPUT_1,
3656                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3657                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3658                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3659                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3660                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3661                       GDI_EVENT_MASK, event_mask,
3662                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3663                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
3664                       GDI_END);
3665
3666     if (gi == NULL)
3667       Error(ERR_EXIT, "cannot create gadget");
3668
3669     level_editor_gadget[id] = gi;
3670   }
3671 }
3672
3673 static void CreateSelectboxGadgets()
3674 {
3675   int max_infotext_len = getMaxInfoTextLength();
3676   int i, j;
3677
3678   for (i=0; i<ED_NUM_SELECTBOX; i++)
3679   {
3680     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3681     int gd_x, gd_y;
3682     struct GadgetInfo *gi;
3683     unsigned long event_mask;
3684     char infotext[MAX_OUTPUT_LINESIZE + 1];
3685     int id = selectbox_info[i].gadget_id;
3686     int x = SX + selectbox_info[i].x;
3687     int y = SY + selectbox_info[i].y;
3688
3689     if (selectbox_info[i].size == -1)   /* dynamically determine size */
3690     {
3691       /* (we cannot use -1 for uninitialized values if we directly compare
3692          with results from strlen(), because the '<' and '>' operation will
3693          implicitely cast -1 to an unsigned integer value!) */
3694       selectbox_info[i].size = 0;
3695
3696       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
3697         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
3698           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
3699
3700       selectbox_info[i].size++;         /* add one character empty space */
3701     }
3702
3703     event_mask = GD_EVENT_RELEASED |
3704       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3705
3706     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
3707     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
3708
3709     /* determine horizontal position to the right of specified gadget */
3710     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
3711       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
3712            ED_GADGET_TEXT_DISTANCE);
3713
3714     /* determine horizontal offset for leading text */
3715     if (selectbox_info[i].text_left != NULL)
3716       x += getTextWidthForGadget(selectbox_info[i].text_left);
3717
3718     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
3719     infotext[max_infotext_len] = '\0';
3720
3721     gi = CreateGadget(GDI_CUSTOM_ID, id,
3722                       GDI_CUSTOM_TYPE_ID, i,
3723                       GDI_INFO_TEXT, infotext,
3724                       GDI_X, x,
3725                       GDI_Y, y,
3726                       GDI_TYPE, GD_TYPE_SELECTBOX,
3727                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
3728                       GDI_TEXT_SIZE, selectbox_info[i].size,
3729                       GDI_TEXT_FONT, FONT_INPUT_1,
3730                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3731                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3732                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3733                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3734                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
3735                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3736                       GDI_EVENT_MASK, event_mask,
3737                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3738                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
3739                       GDI_END);
3740
3741     if (gi == NULL)
3742       Error(ERR_EXIT, "cannot create gadget");
3743
3744     level_editor_gadget[id] = gi;
3745     right_gadget_border[id] =
3746       getRightGadgetBorder(gi, selectbox_info[i].text_right);
3747   }
3748 }
3749
3750 static void CreateTextbuttonGadgets()
3751 {
3752   int max_infotext_len = getMaxInfoTextLength();
3753   int i;
3754
3755   for (i=0; i<ED_NUM_TEXTBUTTONS; i++)
3756   {
3757     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3758     int gd_x1, gd_x2, gd_y1, gd_y2;
3759     struct GadgetInfo *gi;
3760     unsigned long event_mask;
3761     char infotext[MAX_OUTPUT_LINESIZE + 1];
3762     int id = textbutton_info[i].gadget_id;
3763     int x = SX + textbutton_info[i].x;
3764     int y = SY + textbutton_info[i].y;
3765
3766     if (textbutton_info[i].size == -1)  /* dynamically determine size */
3767       textbutton_info[i].size = strlen(textbutton_info[i].text);
3768
3769     event_mask = GD_EVENT_RELEASED;
3770
3771     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
3772     {
3773       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
3774       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
3775       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
3776       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
3777     }
3778     else
3779     {
3780       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
3781       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
3782       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
3783       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
3784     }
3785
3786     sprintf(infotext, "%s", textbutton_info[i].infotext);
3787     infotext[max_infotext_len] = '\0';
3788
3789     /* determine horizontal position to the right of specified gadget */
3790     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3791       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
3792            ED_GADGET_TEXT_DISTANCE);
3793
3794     /* determine horizontal offset for leading text */
3795     if (textbutton_info[i].text_left != NULL)
3796       x += getTextWidthForGadget(textbutton_info[i].text_left);
3797
3798     gi = CreateGadget(GDI_CUSTOM_ID, id,
3799                       GDI_CUSTOM_TYPE_ID, i,
3800                       GDI_INFO_TEXT, infotext,
3801                       GDI_X, x,
3802                       GDI_Y, y,
3803                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
3804                       GDI_TEXT_VALUE, textbutton_info[i].text,
3805                       GDI_TEXT_SIZE, textbutton_info[i].size,
3806                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
3807                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
3808                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3809                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3810                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3811                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
3812                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3813                       GDI_DECORATION_SHIFTING, 1, 1,
3814                       GDI_EVENT_MASK, event_mask,
3815                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3816                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
3817                       GDI_END);
3818
3819     if (gi == NULL)
3820       Error(ERR_EXIT, "cannot create gadget");
3821
3822     level_editor_gadget[id] = gi;
3823     right_gadget_border[id] =
3824       getRightGadgetBorder(gi, textbutton_info[i].text_right);
3825   }
3826 }
3827
3828 static void CreateGraphicbuttonGadgets()
3829 {
3830   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3831   struct GadgetInfo *gi;
3832   unsigned long event_mask;
3833   int i;
3834
3835   /* create buttons for scrolling of drawing area and element list */
3836   for (i=0; i < ED_NUM_GRAPHICBUTTONS; i++)
3837   {
3838     int id = graphicbutton_info[i].gadget_id;
3839     int gd_x1, gd_x2, gd_y1, gd_y2;
3840     int x = SX + graphicbutton_info[i].x;
3841     int y = SY + graphicbutton_info[i].y;
3842
3843     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
3844
3845     gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
3846     gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
3847     gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
3848     gd_y2 = gd_y1;
3849
3850     /* determine horizontal position to the right of specified gadget */
3851     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3852       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
3853            ED_GADGET_TEXT_DISTANCE);
3854
3855     /* determine horizontal offset for leading text */
3856     if (graphicbutton_info[i].text_left != NULL)
3857       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
3858
3859     gi = CreateGadget(GDI_CUSTOM_ID, id,
3860                       GDI_CUSTOM_TYPE_ID, i,
3861                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
3862                       GDI_X, x,
3863                       GDI_Y, y,
3864                       GDI_WIDTH, graphicbutton_info[i].width,
3865                       GDI_HEIGHT, graphicbutton_info[i].height,
3866                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
3867                       GDI_STATE, GD_BUTTON_UNPRESSED,
3868                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3869                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3870                       GDI_EVENT_MASK, event_mask,
3871                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3872                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
3873                       GDI_END);
3874
3875     if (gi == NULL)
3876       Error(ERR_EXIT, "cannot create gadget");
3877
3878     level_editor_gadget[id] = gi;
3879     right_gadget_border[id] =
3880       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
3881   }
3882 }
3883
3884 static void CreateScrollbarGadgets()
3885 {
3886   int i;
3887
3888   for (i=0; i<ED_NUM_SCROLLBARS; i++)
3889   {
3890     int id = scrollbar_info[i].gadget_id;
3891     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3892     int gd_x1, gd_x2, gd_y1, gd_y2;
3893     struct GadgetInfo *gi;
3894     int items_max, items_visible, item_position;
3895     unsigned long event_mask;
3896
3897     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
3898     {
3899       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
3900       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
3901       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
3902     }
3903     else        /* drawing area scrollbars */
3904     {
3905       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
3906       {
3907         items_max = MAX(lev_fieldx + 2, ed_fieldx);
3908         items_visible = ed_fieldx;
3909         item_position = 0;
3910       }
3911       else
3912       {
3913         items_max = MAX(lev_fieldy + 2, ed_fieldy);
3914         items_visible = ed_fieldy;
3915         item_position = 0;
3916       }
3917     }
3918
3919     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
3920
3921     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
3922     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
3923                       scrollbar_info[i].height : scrollbar_info[i].width));
3924     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3925     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3926
3927     gi = CreateGadget(GDI_CUSTOM_ID, id,
3928                       GDI_CUSTOM_TYPE_ID, i,
3929                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
3930                       GDI_X, scrollbar_info[i].x,
3931                       GDI_Y, scrollbar_info[i].y,
3932                       GDI_WIDTH, scrollbar_info[i].width,
3933                       GDI_HEIGHT, scrollbar_info[i].height,
3934                       GDI_TYPE, scrollbar_info[i].type,
3935                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
3936                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3937                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
3938                       GDI_STATE, GD_BUTTON_UNPRESSED,
3939                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3940                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3941                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3942                       GDI_EVENT_MASK, event_mask,
3943                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3944                       GDI_CALLBACK_ACTION, HandleControlButtons,
3945                       GDI_END);
3946
3947     if (gi == NULL)
3948       Error(ERR_EXIT, "cannot create gadget");
3949
3950     level_editor_gadget[id] = gi;
3951   }
3952 }
3953
3954 static void CreateCheckbuttonGadgets()
3955 {
3956   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3957   struct GadgetInfo *gi;
3958   unsigned long event_mask;
3959   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3960   int i;
3961
3962   event_mask = GD_EVENT_PRESSED;
3963
3964   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3965   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3966   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3967   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3968   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3969
3970   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
3971   {
3972     int id = checkbutton_info[i].gadget_id;
3973     int x = SX + checkbutton_info[i].x;
3974     int y = SY + checkbutton_info[i].y;
3975
3976     if (id == GADGET_ID_STICK_ELEMENT)
3977       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
3978     else
3979       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
3980
3981     /* determine horizontal position to the right of specified gadget */
3982     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3983       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
3984            ED_GADGET_TEXT_DISTANCE);
3985
3986     /* determine horizontal offset for leading text */
3987     if (checkbutton_info[i].text_left != NULL)
3988       x += getTextWidthForGadget(checkbutton_info[i].text_left);
3989
3990     gi = CreateGadget(GDI_CUSTOM_ID, id,
3991                       GDI_CUSTOM_TYPE_ID, i,
3992                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
3993                       GDI_X, x,
3994                       GDI_Y, y,
3995                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3996                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3997                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
3998                       GDI_CHECKED, *checkbutton_info[i].value,
3999                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4000                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4001                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
4002                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
4003                       GDI_EVENT_MASK, event_mask,
4004                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4005                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
4006                       GDI_END);
4007
4008     if (gi == NULL)
4009       Error(ERR_EXIT, "cannot create gadget");
4010
4011     level_editor_gadget[id] = gi;
4012     right_gadget_border[id] =
4013       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
4014   }
4015 }
4016
4017 static void CreateRadiobuttonGadgets()
4018 {
4019   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
4020   struct GadgetInfo *gi;
4021   unsigned long event_mask;
4022   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
4023   int i;
4024
4025   event_mask = GD_EVENT_PRESSED;
4026
4027   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4028   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
4029   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
4030   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
4031   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
4032
4033   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
4034   {
4035     int id = radiobutton_info[i].gadget_id;
4036     int x = SX + radiobutton_info[i].x;
4037     int y = SY + radiobutton_info[i].y;
4038
4039     int checked =
4040       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
4041
4042     /* determine horizontal position to the right of specified gadget */
4043     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
4044       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
4045            ED_GADGET_TEXT_DISTANCE);
4046
4047     /* determine horizontal offset for leading text */
4048     if (radiobutton_info[i].text_left != NULL)
4049       x += getTextWidthForGadget(radiobutton_info[i].text_left);
4050
4051     gi = CreateGadget(GDI_CUSTOM_ID, id,
4052                       GDI_CUSTOM_TYPE_ID, i,
4053                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
4054                       GDI_X, x,
4055                       GDI_Y, y,
4056                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
4057                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
4058                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
4059                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
4060                       GDI_CHECKED, checked,
4061                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
4062                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
4063                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
4064                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
4065                       GDI_EVENT_MASK, event_mask,
4066                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
4067                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
4068                       GDI_END);
4069
4070     if (gi == NULL)
4071       Error(ERR_EXIT, "cannot create gadget");
4072
4073     level_editor_gadget[id] = gi;
4074     right_gadget_border[id] =
4075       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
4076   }
4077 }
4078
4079 void CreateLevelEditorGadgets()
4080 {
4081   int old_game_status = game_status;
4082
4083   /* setting 'game_status' is needed to get the right fonts for the editor */
4084   game_status = GAME_MODE_EDITOR;
4085
4086   ReinitializeElementList();
4087
4088   CreateControlButtons();
4089   CreateScrollbarGadgets();
4090
4091   /* order of function calls is important because of cross-references */
4092   CreateCheckbuttonGadgets();
4093   CreateCounterButtons();
4094   CreateRadiobuttonGadgets();
4095   CreateTextInputGadgets();
4096   CreateTextAreaGadgets();
4097   CreateSelectboxGadgets();
4098   CreateGraphicbuttonGadgets();
4099   CreateTextbuttonGadgets();
4100   CreateDrawingAreas();
4101
4102   game_status = old_game_status;
4103 }
4104
4105 void FreeLevelEditorGadgets()
4106 {
4107   int i;
4108
4109   for (i=0; i<NUM_EDITOR_GADGETS; i++)
4110     FreeGadget(level_editor_gadget[i]);
4111 }
4112
4113 static void MapCounterButtons(int id)
4114 {
4115   int gadget_id_down = counterbutton_info[id].gadget_id_down;
4116   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
4117   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
4118   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
4119 #if 0
4120   char infotext[MAX_OUTPUT_LINESIZE + 1];
4121   int max_infotext_len = getMaxInfoTextLength();
4122   int xoffset_left = 0;
4123   int yoffset_left = ED_BORDER_SIZE;
4124   int xoffset_right = getCounterGadgetWidth();
4125   int yoffset_right = ED_BORDER_SIZE;
4126 #else
4127   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
4128   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4129   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
4130   int yoffset = ED_BORDER_SIZE;
4131   int x_left = gi_down->x - xoffset_left;
4132   int x_right = gi_up->x + gi_up->width + xoffset_right;
4133   int y_above = gi_down->y - yoffset_above;
4134   int x = gi_down->x;
4135   int y = gi_up->y + yoffset;
4136 #endif
4137
4138   if (counterbutton_info[id].text_above)
4139     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
4140
4141   if (counterbutton_info[id].text_left)
4142     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
4143
4144   if (counterbutton_info[id].text_right)
4145     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
4146
4147   ModifyEditorCounter(id, *counterbutton_info[id].value);
4148
4149   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
4150   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
4151   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
4152 }
4153
4154 static void MapControlButtons()
4155 {
4156   int counter_id;
4157   int i;
4158
4159   /* map toolbox buttons */
4160   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
4161     MapGadget(level_editor_gadget[i]);
4162
4163   /* map buttons to select elements */
4164   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4165     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
4166   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
4167   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
4168   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
4169
4170   /* map buttons to select level */
4171   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
4172   ModifyEditorCounterLimits(counter_id,
4173                             leveldir_current->first_level,
4174                             leveldir_current->last_level);
4175   MapCounterButtons(counter_id);
4176 }
4177
4178 static void MapDrawingArea(int id)
4179 {
4180   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
4181   int area_xsize = gi->drawing.area_xsize;
4182   int area_ysize = gi->drawing.area_ysize;
4183   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
4184   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
4185   int x_left  = gi->x - xoffset_left;
4186   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
4187   int x_below = gi->x + (gi->width - xoffset_below) / 2;
4188   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
4189   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
4190
4191   if (drawingarea_info[id].text_left)
4192     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
4193
4194   if (drawingarea_info[id].text_right)
4195     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
4196
4197   if (drawingarea_info[id].text_below)
4198     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
4199
4200   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
4201   {
4202     DrawElementBorder(gi->x, gi->y,
4203                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
4204
4205     DrawDrawingArea(id);
4206   }
4207
4208   MapGadget(gi);
4209 }
4210
4211 static void MapTextInputGadget(int id)
4212 {
4213   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
4214   int xoffset_above = 0;
4215   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
4216   int x_above = textinput_info[id].x + xoffset_above;
4217   int y_above = textinput_info[id].y + yoffset_above;
4218
4219   if (textinput_info[id].text_above)
4220     DrawTextF(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
4221
4222   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
4223
4224   MapGadget(gi);
4225 }
4226
4227 static void MapTextAreaGadget(int id)
4228 {
4229   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
4230   int xoffset_above = 0;
4231   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
4232   int x_above = textarea_info[id].x + xoffset_above;
4233   int y_above = textarea_info[id].y + yoffset_above;
4234
4235   if (textarea_info[id].text_above)
4236     DrawTextF(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
4237
4238   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
4239
4240   MapGadget(gi);
4241 }
4242
4243 static void MapSelectboxGadget(int id)
4244 {
4245   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
4246   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
4247   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4248   int yoffset = ED_BORDER_SIZE;
4249   int x_left = gi->x - xoffset_left;
4250   int x_right = gi->x + gi->width + xoffset_right;
4251   int y = gi->y + yoffset;
4252
4253   if (selectbox_info[id].text_left)
4254     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
4255
4256   if (selectbox_info[id].text_right)
4257     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
4258
4259   ModifyEditorSelectbox(id, *selectbox_info[id].value);
4260
4261   MapGadget(gi);
4262 }
4263
4264 static void MapTextbuttonGadget(int id)
4265 {
4266   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
4267   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
4268   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4269   int yoffset = ED_BORDER_SIZE;
4270   int x_left = gi->x - xoffset_left;
4271   int x_right = gi->x + gi->width + xoffset_right;
4272   int y = gi->y + yoffset;
4273
4274   /* only show button to delete change pages when more than minimum pages */
4275   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
4276       custom_element.num_change_pages == MIN_CHANGE_PAGES)
4277     return;
4278
4279   if (textbutton_info[id].text_left)
4280     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
4281
4282   if (textbutton_info[id].text_right)
4283     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
4284
4285   MapGadget(gi);
4286 }
4287
4288 static void MapGraphicbuttonGadget(int id)
4289 {
4290   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
4291   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
4292   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4293   int yoffset = ED_BORDER_SIZE;
4294   int x_left = gi->x - xoffset_left;
4295   int x_right = gi->x + gi->width + xoffset_right;
4296   int y = gi->y + yoffset;
4297
4298   if (graphicbutton_info[id].text_left)
4299     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
4300
4301   if (graphicbutton_info[id].text_right)
4302     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
4303
4304   MapGadget(gi);
4305 }
4306
4307 static void MapRadiobuttonGadget(int id)
4308 {
4309   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
4310   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
4311   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4312   int yoffset = ED_BORDER_SIZE;
4313   int x_left = gi->x - xoffset_left;
4314   int x_right = gi->x + gi->width + xoffset_right;
4315   int y = gi->y + yoffset;
4316   boolean checked =
4317     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
4318
4319   if (radiobutton_info[id].text_left)
4320     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
4321
4322   if (radiobutton_info[id].text_right)
4323     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
4324
4325   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
4326
4327   MapGadget(gi);
4328 }
4329
4330 static void MapCheckbuttonGadget(int id)
4331 {
4332   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
4333   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
4334   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
4335   int yoffset = ED_BORDER_SIZE;
4336   int x_left = gi->x - xoffset_left;
4337   int x_right = gi->x + gi->width + xoffset_right;
4338   int y = gi->y + yoffset;
4339
4340   /* special case needed for "sticky" gadget */
4341   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value,
4342                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
4343   y = gi->y + yoffset;
4344
4345   if (checkbutton_info[id].text_left)
4346     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
4347
4348   if (checkbutton_info[id].text_right)
4349     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
4350
4351   MapGadget(gi);
4352 }
4353
4354 static void MapMainDrawingArea()
4355 {
4356   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
4357   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
4358   int i;
4359
4360   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
4361   {
4362     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
4363           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
4364          no_horizontal_scrollbar) ||
4365         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
4366           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
4367          no_vertical_scrollbar))
4368       continue;
4369
4370     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
4371   }
4372
4373   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
4374   {
4375     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
4376         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
4377       continue;
4378
4379     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
4380   }
4381
4382   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
4383 }
4384
4385 static void UnmapDrawingArea(int id)
4386 {
4387   UnmapGadget(level_editor_gadget[id]);
4388 }
4389
4390 void UnmapLevelEditorWindowGadgets()
4391 {
4392   int i;
4393
4394   for (i=0; i<NUM_EDITOR_GADGETS; i++)
4395     if (level_editor_gadget[i]->x < SX + SXSIZE)
4396       UnmapGadget(level_editor_gadget[i]);
4397 }
4398
4399 void UnmapLevelEditorGadgets()
4400 {
4401   int i;
4402
4403   for (i=0; i<NUM_EDITOR_GADGETS; i++)
4404     UnmapGadget(level_editor_gadget[i]);
4405 }
4406
4407 static void ResetUndoBuffer()
4408 {
4409   undo_buffer_position = -1;
4410   undo_buffer_steps = -1;
4411   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4412 }
4413
4414 static void DrawEditModeWindow()
4415 {
4416   ModifyEditorElementList();
4417   RedrawDrawingElements();
4418
4419   if (edit_mode == ED_MODE_INFO)
4420     DrawLevelInfoWindow();
4421   else if (edit_mode == ED_MODE_PROPERTIES)
4422     DrawPropertiesWindow();
4423   else  /* edit_mode == ED_MODE_DRAWING */
4424     DrawDrawingWindow();
4425 }
4426
4427 static boolean LevelChanged()
4428 {
4429   boolean level_changed = FALSE;
4430   int x, y;
4431
4432   for(y=0; y<lev_fieldy; y++)
4433     for(x=0; x<lev_fieldx; x++)
4434       if (Feld[x][y] != level.field[x][y])
4435         level_changed = TRUE;
4436
4437   return level_changed;
4438 }
4439
4440 static boolean LevelContainsPlayer()
4441 {
4442   boolean player_found = FALSE;
4443   int x, y;
4444
4445   for(y=0; y<lev_fieldy; y++)
4446     for(x=0; x<lev_fieldx; x++)
4447       if (Feld[x][y] == EL_PLAYER_1 ||
4448           Feld[x][y] == EL_SP_MURPHY)
4449         player_found = TRUE;
4450
4451   return player_found;
4452 }
4453
4454 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
4455                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
4456 {
4457   int x, y;
4458
4459   for(x=0; x<lev_fieldx; x++)
4460     for(y=0; y<lev_fieldy; y++)
4461       dst[x][y] = src[x][y];
4462 }
4463
4464 static int setSelectboxValue(int selectbox_id, int new_value)
4465 {
4466   int new_index_value = 0;
4467   int i;
4468
4469   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
4470     if (selectbox_info[selectbox_id].options[i].value == new_value)
4471       new_index_value = i;
4472
4473   *selectbox_info[selectbox_id].value =
4474     selectbox_info[selectbox_id].options[new_index_value].value;
4475
4476   return new_index_value;
4477 }
4478
4479 static void CopyCustomElementPropertiesToEditor(int element)
4480 {
4481   int i;
4482   int current_change_page = element_info[element].current_change_page;
4483
4484   /* dynamically (re)build selectbox for selecting change page */
4485   for (i=0; i < element_info[element].num_change_pages; i++)
4486   {
4487     sprintf(options_change_page_strings[i], "%d", i + 1);
4488
4489     options_change_page[i].value = i;
4490     options_change_page[i].text = options_change_page_strings[i];
4491   }
4492
4493   options_change_page[i].value = -1;
4494   options_change_page[i].text = NULL;
4495
4496   /* needed here to initialize combined element properties */
4497   InitElementPropertiesEngine(level.game_version);
4498
4499   element_info[element].change =
4500     &element_info[element].change_page[current_change_page];
4501
4502   custom_element = element_info[element];
4503   custom_element_change = *element_info[element].change;
4504
4505   /* needed to initially set selectbox value variables to reliable defaults */
4506   for (i=0; i < ED_NUM_SELECTBOX; i++)
4507     setSelectboxValue(i, *selectbox_info[i].value);
4508
4509   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
4510     custom_element_properties[i] = HAS_PROPERTY(element, i);
4511
4512   for (i=0; i < NUM_CHANGE_EVENTS; i++)
4513     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
4514
4515   /* ---------- element settings: configure (custom elements) ------------- */
4516
4517   /* set accessible layer selectbox help value */
4518   custom_element.access_type =
4519     (IS_WALKABLE(element) ? EP_WALKABLE :
4520      IS_PASSABLE(element) ? EP_PASSABLE :
4521      custom_element.access_type);
4522   custom_element.access_layer =
4523     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
4524      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
4525      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
4526      custom_element.access_layer);
4527   custom_element_properties[EP_ACCESSIBLE] =
4528     (IS_ACCESSIBLE_OVER(element) ||
4529      IS_ACCESSIBLE_INSIDE(element) ||
4530      IS_ACCESSIBLE_UNDER(element));
4531
4532   /* set walk-to-object action selectbox help value */
4533   custom_element.walk_to_action =
4534     (IS_DIGGABLE(element) ? EP_DIGGABLE :
4535      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
4536      IS_DROPPABLE(element) ? EP_DROPPABLE :
4537      IS_PUSHABLE(element) ? EP_PUSHABLE :
4538      custom_element.walk_to_action);
4539   custom_element_properties[EP_WALK_TO_OBJECT] =
4540     (IS_DIGGABLE(element) ||
4541      IS_COLLECTIBLE_ONLY(element) ||
4542      IS_DROPPABLE(element) ||
4543      IS_PUSHABLE(element));
4544
4545   /* set smash targets selectbox help value */
4546   custom_element.smash_targets =
4547     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
4548      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
4549      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
4550      custom_element.smash_targets);
4551   custom_element_properties[EP_CAN_SMASH] =
4552     (CAN_SMASH_EVERYTHING(element) ||
4553      CAN_SMASH_ENEMIES(element) ||
4554      CAN_SMASH_PLAYER(element));
4555
4556   /* set deadliness selectbox help value */
4557   custom_element.deadliness =
4558     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
4559      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
4560      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
4561      custom_element.deadliness);
4562   custom_element_properties[EP_DEADLY] =
4563     (DONT_TOUCH(element) ||
4564      DONT_COLLIDE_WITH(element) ||
4565      DONT_RUN_INTO(element));
4566
4567   /* set consistency selectbox help value */
4568   custom_element.consistency =
4569     (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
4570      CAN_EXPLODE_1X1(element) ? EP_CAN_EXPLODE_1X1 :
4571      CAN_EXPLODE_3X3(element) ? EP_CAN_EXPLODE_3X3 :
4572      custom_element.consistency);
4573   custom_element_properties[EP_EXPLODE_RESULT] =
4574     (IS_INDESTRUCTIBLE(element) ||
4575      CAN_EXPLODE_1X1(element) ||
4576      CAN_EXPLODE_3X3(element));
4577
4578   /* special case: sub-settings dependent from main setting */
4579   if (CAN_EXPLODE_BY_FIRE(element))
4580     custom_element.can_explode_by_fire = TRUE;
4581   if (CAN_EXPLODE_SMASHED(element))
4582     custom_element.can_explode_smashed = TRUE;
4583   if (CAN_EXPLODE_IMPACT(element))
4584     custom_element.can_explode_impact  = TRUE;
4585
4586   /* ---------- element settings: advanced (custom elements) --------------- */
4587
4588   /* set "change by direct action" selectbox help value */
4589   custom_element_change.direct_action =
4590     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
4591      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
4592      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
4593      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
4594      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
4595      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
4596      HAS_CHANGE_EVENT(element, CE_COLLISION) ? CE_COLLISION :
4597      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
4598      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
4599      custom_element_change.direct_action);
4600
4601   /* set "change by other element action" selectbox help value */
4602   custom_element_change.other_action =
4603     (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
4604      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
4605      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
4606      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_ENTERED) ? CE_OTHER_GETS_ENTERED :
4607      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_LEFT) ? CE_OTHER_GETS_LEFT :
4608      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DIGGED) ? CE_OTHER_GETS_DIGGED :
4609      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
4610      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DROPPED) ? CE_OTHER_GETS_DROPPED :
4611      HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
4612      HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
4613      HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
4614      custom_element_change.other_action);
4615 }
4616
4617 static void CopyCustomElementPropertiesToGame(int element)
4618 {
4619   int i;
4620   int access_type_and_layer;
4621
4622   /* mark that this custom element has been modified */
4623   custom_element.modified_settings = TRUE;
4624
4625   if (level.use_custom_template)
4626   {
4627     if (Request("Copy and modify level tem- plate ?", REQ_ASK))
4628     {
4629       level.use_custom_template = FALSE;
4630       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
4631                    GDI_CHECKED, FALSE, GDI_END);
4632     }
4633     else
4634     {
4635       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
4636
4637       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
4638     }
4639   }
4640
4641   element_info[element] = custom_element;
4642   *element_info[element].change = custom_element_change;
4643
4644   /* ---------- element settings: configure (custom elements) ------------- */
4645
4646   /* set accessible property from checkbox and selectbox */
4647   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
4648   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
4649   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
4650   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
4651   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
4652   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
4653   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
4654                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
4655                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
4656   custom_element_properties[access_type_and_layer] =
4657     custom_element_properties[EP_ACCESSIBLE];
4658
4659   /* set walk-to-object property from checkbox and selectbox */
4660   custom_element_properties[EP_DIGGABLE] = FALSE;
4661   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
4662   custom_element_properties[EP_DROPPABLE] = FALSE;
4663   custom_element_properties[EP_PUSHABLE] = FALSE;
4664   custom_element_properties[custom_element.walk_to_action] =
4665     custom_element_properties[EP_WALK_TO_OBJECT];
4666
4667   /* set smash property from checkbox and selectbox */
4668   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
4669   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
4670   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
4671   custom_element_properties[custom_element.smash_targets] =
4672     custom_element_properties[EP_CAN_SMASH];
4673
4674   /* set deadliness property from checkbox and selectbox */
4675   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
4676   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
4677   custom_element_properties[EP_DONT_TOUCH] = FALSE;
4678   custom_element_properties[custom_element.deadliness] =
4679     custom_element_properties[EP_DEADLY];
4680
4681   /* set consistency property from checkbox and selectbox */
4682   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
4683   custom_element_properties[EP_CAN_EXPLODE_1X1] = FALSE;
4684   custom_element_properties[EP_CAN_EXPLODE_3X3] = FALSE;
4685   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
4686   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
4687   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
4688   custom_element_properties[custom_element.consistency] =
4689     custom_element_properties[EP_EXPLODE_RESULT];
4690
4691   /* special case: sub-settings dependent from main setting */
4692   if (custom_element_properties[EP_CAN_EXPLODE_3X3] ||
4693       custom_element_properties[EP_CAN_EXPLODE_1X1])
4694   {
4695     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
4696       custom_element.can_explode_by_fire;
4697     custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
4698       custom_element.can_explode_smashed;
4699     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
4700       custom_element.can_explode_impact;
4701   }
4702
4703   /* ---------- element settings: advanced (custom elements) --------------- */
4704
4705   /* set player change event from checkbox and selectbox */
4706   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
4707   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
4708   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
4709   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
4710   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
4711   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
4712   custom_element_change_events[CE_COLLISION] = FALSE;
4713   custom_element_change_events[CE_IMPACT] = FALSE;
4714   custom_element_change_events[CE_SMASHED] = FALSE;
4715   custom_element_change_events[custom_element_change.direct_action] =
4716     custom_element_change_events[CE_BY_DIRECT_ACTION];
4717
4718   /* set other element action change event from checkbox and selectbox */
4719   custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
4720   custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
4721   custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
4722   custom_element_change_events[CE_OTHER_GETS_ENTERED] = FALSE;
4723   custom_element_change_events[CE_OTHER_GETS_LEFT] = FALSE;
4724   custom_element_change_events[CE_OTHER_GETS_DIGGED] = FALSE;
4725   custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
4726   custom_element_change_events[CE_OTHER_GETS_DROPPED] = FALSE;
4727   custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
4728   custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
4729   custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
4730   custom_element_change_events[custom_element_change.other_action] =
4731     custom_element_change_events[CE_BY_OTHER_ACTION];
4732
4733   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
4734     SET_PROPERTY(element, i, custom_element_properties[i]);
4735
4736   for (i=0; i < NUM_CHANGE_EVENTS; i++)
4737     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
4738
4739   /* copy change events also to special level editor variable */
4740   custom_element = element_info[element];
4741   custom_element_change = *element_info[element].change;
4742 }
4743
4744 void DrawLevelEd()
4745 {
4746   CloseDoor(DOOR_CLOSE_ALL);
4747   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
4748
4749   if (level_editor_test_game)
4750   {
4751     CopyPlayfield(level.field, Feld);
4752     CopyPlayfield(FieldBackup, level.field);
4753
4754     level_editor_test_game = FALSE;
4755   }
4756   else
4757   {
4758     edit_mode = ED_MODE_DRAWING;
4759     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
4760
4761     ResetUndoBuffer();
4762
4763     level_xpos = -1;
4764     level_ypos = -1;
4765   }
4766
4767   /* copy default editor door content to main double buffer */
4768   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
4769              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
4770
4771 #if 0
4772   /* draw mouse button brush elements */
4773   RedrawDrawingElements();
4774 #endif
4775
4776   /* draw bigger door */
4777   DrawSpecialEditorDoor();
4778
4779   /* draw new control window */
4780   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
4781              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
4782
4783   redraw_mask |= REDRAW_ALL;
4784
4785   ReinitializeElementListButtons();     /* only needed after setup changes */
4786 #if 0
4787   ModifyEditorElementList();            /* may be needed for custom elements */
4788 #endif
4789
4790   UnmapTapeButtons();
4791   MapControlButtons();
4792
4793   DrawEditModeWindow();
4794
4795   /* copy actual editor door content to door double buffer for OpenDoor() */
4796   BlitBitmap(drawto, bitmap_db_door,
4797              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
4798
4799   OpenDoor(DOOR_OPEN_1);
4800 }
4801
4802 static void AdjustDrawingAreaGadgets()
4803 {
4804   int ed_xsize = lev_fieldx + 2;
4805   int ed_ysize = lev_fieldy + 2;
4806   int max_ed_fieldx = MAX_ED_FIELDX;
4807   int max_ed_fieldy = MAX_ED_FIELDY;
4808   boolean horizontal_scrollbar_needed;
4809   boolean vertical_scrollbar_needed;
4810   int x, y, width, height;
4811   int xoffset, yoffset;
4812
4813   /* check if we need any scrollbars */
4814   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
4815   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
4816
4817   /* check if we have a smaller editor field because of scrollbars */
4818   if (horizontal_scrollbar_needed)
4819     max_ed_fieldy = MAX_ED_FIELDY - 1;
4820   if (vertical_scrollbar_needed)
4821     max_ed_fieldx = MAX_ED_FIELDX - 1;
4822
4823   /* check again if we now need more scrollbars because of less space */
4824   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
4825   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
4826
4827   /* check if editor field gets even smaller after adding new scrollbars */
4828   if (horizontal_scrollbar_needed)
4829     max_ed_fieldy = MAX_ED_FIELDY - 1;
4830   if (vertical_scrollbar_needed)
4831     max_ed_fieldx = MAX_ED_FIELDX - 1;
4832
4833   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
4834   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
4835
4836   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
4837                GDI_WIDTH, ed_fieldx * MINI_TILEX,
4838                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
4839                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
4840                GDI_END);
4841
4842   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
4843   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
4844
4845   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
4846   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
4847
4848   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
4849   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
4850
4851   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
4852   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
4853
4854   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4855                GDI_WIDTH, width,
4856                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
4857                GDI_END);
4858   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4859                GDI_HEIGHT, height,
4860                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
4861                GDI_END);
4862 }
4863
4864 static void AdjustLevelScrollPosition()
4865 {
4866   if (level_xpos < -1)
4867     level_xpos = -1;
4868   if (level_xpos > lev_fieldx - ed_fieldx + 1)
4869     level_xpos = lev_fieldx - ed_fieldx + 1;
4870   if (lev_fieldx < ed_fieldx - 2)
4871     level_xpos = -1;
4872
4873   if (level_ypos < -1)
4874     level_ypos = -1;
4875   if (level_ypos > lev_fieldy - ed_fieldy + 1)
4876     level_ypos = lev_fieldy - ed_fieldy + 1;
4877   if (lev_fieldy < ed_fieldy - 2)
4878     level_ypos = -1;
4879 }
4880
4881 static void AdjustEditorScrollbar(int id)
4882 {
4883   struct GadgetInfo *gi = level_editor_gadget[id];
4884   int items_max, items_visible, item_position;
4885
4886   if (id == GADGET_ID_SCROLL_HORIZONTAL)
4887   {
4888     items_max = MAX(lev_fieldx + 2, ed_fieldx);
4889     items_visible = ed_fieldx;
4890     item_position = level_xpos + 1;
4891   }
4892   else
4893   {
4894     items_max = MAX(lev_fieldy + 2, ed_fieldy);
4895     items_visible = ed_fieldy;
4896     item_position = level_ypos + 1;
4897   }
4898
4899   if (item_position > items_max - items_visible)
4900     item_position = items_max - items_visible;
4901
4902   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
4903                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
4904 }
4905
4906 static void ModifyEditorCounter(int counter_id, int new_value)
4907 {
4908   int *counter_value = counterbutton_info[counter_id].value;
4909   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4910   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4911
4912   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
4913
4914   if (counter_value != NULL)
4915     *counter_value = gi->textinput.number_value;
4916 }
4917
4918 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
4919 {
4920   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4921   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4922
4923   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
4924 }
4925
4926 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
4927 {
4928   int gadget_id = selectbox_info[selectbox_id].gadget_id;
4929   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4930   int new_index_value = setSelectboxValue(selectbox_id, new_value);
4931
4932   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
4933 }
4934
4935 static void ModifyEditorElementList()
4936 {
4937   int i;
4938
4939   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4940   {
4941     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4942     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4943     struct GadgetDesign *gd = &gi->deco.design;
4944     int element = editor_elements[element_shift + i];
4945
4946     UnmapGadget(gi);
4947     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
4948     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4949     MapGadget(gi);
4950   }
4951 }
4952
4953 static void PickDrawingElement(int button, int element)
4954 {
4955   if (button < 1 || button > 3)
4956     return;
4957
4958   if (button == 1)
4959   {
4960     new_element1 = element;
4961     DrawMiniGraphicExt(drawto,
4962                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
4963                        el2edimg(new_element1));
4964   }
4965   else if (button == 2)
4966   {
4967     new_element2 = element;
4968     DrawMiniGraphicExt(drawto,
4969                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
4970                        el2edimg(new_element2));
4971   }
4972   else
4973   {
4974     new_element3 = element;
4975     DrawMiniGraphicExt(drawto,
4976                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
4977                        el2edimg(new_element3));
4978   }
4979
4980   redraw_mask |= REDRAW_DOOR_1;
4981 }
4982
4983 static void RedrawDrawingElements()
4984 {
4985   PickDrawingElement(1, new_element1);
4986   PickDrawingElement(2, new_element2);
4987   PickDrawingElement(3, new_element3);
4988 }
4989
4990 static void DrawDrawingWindow()
4991 {
4992   stick_element_properties_window = FALSE;
4993
4994   SetMainBackgroundImage(IMG_UNDEFINED);
4995   ClearWindow();
4996   UnmapLevelEditorWindowGadgets();
4997
4998   AdjustDrawingAreaGadgets();
4999   AdjustLevelScrollPosition();
5000   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
5001   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
5002
5003   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5004   MapMainDrawingArea();
5005 }
5006
5007 static void DrawLevelInfoWindow()
5008 {
5009   int i;
5010
5011   stick_element_properties_window = FALSE;
5012
5013   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
5014   ClearWindow();
5015   UnmapLevelEditorWindowGadgets();
5016
5017   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
5018            "Level Settings", FONT_TITLE_1);
5019   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
5020            "Editor Settings", FONT_TITLE_1);
5021
5022   /* draw counter gadgets */
5023   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
5024     MapCounterButtons(i);
5025
5026   /* draw checkbutton gadgets */
5027   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
5028     MapCheckbuttonGadget(i);
5029
5030   /* draw radiobutton gadgets */
5031   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
5032     MapRadiobuttonGadget(i);
5033
5034   /* draw text input gadgets */
5035   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
5036     MapTextInputGadget(i);
5037
5038   /* draw drawing area */
5039   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
5040 }
5041
5042 static void DrawCustomContentArea()
5043 {
5044   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
5045   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5046   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
5047   int x2 = right_gadget_border[GADGET_ID_CUSTOM_CONSISTENCY];
5048   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
5049   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
5050
5051   /* add distance for potential left text (without drawing area border) */
5052   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
5053
5054   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
5055
5056   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
5057 }
5058
5059 static void DrawCustomChangeContentArea()
5060 {
5061   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
5062   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5063   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
5064   int x2 = right_gadget_border[GADGET_ID_CHANGE_POWER];
5065   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
5066   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
5067
5068   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
5069
5070   MapDrawingArea(id);
5071 }
5072
5073 static void DrawElementContentAreas()
5074 {
5075   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
5076   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
5077   int i;
5078
5079   /* display counter to choose number of element content areas */
5080   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
5081
5082   for (i=0; i < MAX_ELEMENT_CONTENTS; i++)
5083   {
5084     int id = ED_DRAWING_ID_ELEMENT_CONTENT_0 + i;
5085     int font_height = getFontHeight(FONT_TEXT_1);
5086
5087     if (i < level.num_yamyam_contents)
5088       MapDrawingArea(id);
5089     else
5090     {
5091       UnmapDrawingArea(id);
5092
5093       /* delete content areas in case of reducing number of them */
5094       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
5095                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
5096                      4 * MINI_TILEX,
5097                      4 * MINI_TILEX + ED_GADGET_TEXT_DISTANCE + font_height);
5098     }
5099   }
5100
5101   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
5102   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
5103   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
5104 }
5105
5106 static void DrawEnvelopeTextArea(int envelope_nr)
5107 {
5108   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
5109   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
5110
5111   UnmapGadget(gi);
5112   DrawBackground(gi->x, gi->y, gi->width, gi->height);
5113
5114   if (envelope_nr != -1)
5115     textarea_info[id].value = level.envelope_text[envelope_nr];
5116
5117   ModifyGadget(gi, GDI_AREA_SIZE,
5118                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
5119                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
5120                GDI_END);
5121
5122   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
5123 }
5124
5125 char *getElementDescriptionFilename(int element)
5126 {
5127   char *docs_dir = options.docs_directory;
5128   char *elements_subdir = "elements";
5129   static char *filename = NULL;
5130   char basename[MAX_FILENAME_LEN];
5131
5132   if (filename != NULL)
5133     free(filename);
5134
5135   /* 1st try: look for element description file for exactly this element */
5136   sprintf(basename, "%s.txt", element_info[element].token_name);
5137   filename = getPath3(docs_dir, elements_subdir, basename);
5138   if (fileExists(filename))
5139     return filename;
5140
5141   free(filename);
5142
5143   /* 2nd try: look for element description file for this element's class */
5144   sprintf(basename, "%s.txt", element_info[element].class_name);
5145   filename = getPath3(docs_dir, elements_subdir, basename);
5146   if (fileExists(filename))
5147     return filename;
5148
5149   return NULL;
5150 }
5151
5152 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
5153 {
5154   int font_height = getFontHeight(font_nr);
5155   int pad_x = ED_SETTINGS_XPOS(0);
5156   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
5157   int sx = SX + pad_x;
5158   int sy = SY + pad_y;
5159   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
5160
5161   if (screen_line >= max_lines_per_screen)
5162     return FALSE;
5163
5164   DrawText(sx, sy + screen_line * font_height, text, font_nr);
5165
5166   return TRUE;
5167 }
5168
5169 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
5170 {
5171   int font_nr = FONT_TEXT_2;
5172   int font_width = getFontWidth(font_nr);
5173   int pad_x = ED_SETTINGS_XPOS(0);
5174   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
5175   char line[MAX_LINE_LEN];
5176   char buffer[max_chars_per_line + 1];
5177   int buffer_len;
5178   int lines_printed = 0;
5179   FILE *file;
5180
5181   if (filename == NULL)
5182     return 0;
5183
5184   if (!(file = fopen(filename, MODE_READ)))
5185     return 0;
5186
5187   buffer[0] = '\0';
5188   buffer_len = 0;
5189
5190   while(!feof(file))
5191   {
5192     char *line_ptr, *word_ptr;
5193     boolean last_line_was_empty = TRUE;
5194
5195     /* read next line of input file */
5196     if (!fgets(line, MAX_LINE_LEN, file))
5197       break;
5198
5199     /* skip comments (lines directly beginning with '#') */
5200     if (line[0] == '#')
5201       continue;
5202
5203     /* cut trailing newline from input line */
5204     for (line_ptr = line; *line_ptr; line_ptr++)
5205     {
5206       if (*line_ptr == '\n' || *line_ptr == '\r')
5207       {
5208         *line_ptr = '\0';
5209         break;
5210       }
5211     }
5212
5213     if (strlen(line) == 0)              /* special case: force empty line */
5214       strcpy(line, "\n");
5215
5216     word_ptr = line;
5217
5218     while (*word_ptr)
5219     {
5220       boolean print_buffer = FALSE;
5221       int word_len;
5222
5223       /* skip leading whitespaces */
5224       while (*word_ptr == ' ' || *word_ptr == '\t')
5225         word_ptr++;
5226
5227       line_ptr = word_ptr;
5228       word_len = 0;
5229
5230       /* look for end of next word */
5231       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
5232       {
5233         line_ptr++;
5234         word_len++;
5235       }
5236
5237       if (word_len == 0)
5238       {
5239         continue;
5240       }
5241       else if (*word_ptr == '\n')       /* special case: force empty line */
5242       {
5243         if (buffer_len == 0)
5244           word_ptr++;
5245
5246         /* prevent printing of multiple empty lines */
5247         if (buffer_len > 0 || !last_line_was_empty)
5248           print_buffer = TRUE;
5249       }
5250       else if (word_len < max_chars_per_line - buffer_len)
5251       {
5252         /* word fits into text buffer -- add word */
5253
5254         if (buffer_len > 0)
5255           buffer[buffer_len++] = ' ';
5256
5257         strncpy(&buffer[buffer_len], word_ptr, word_len);
5258         buffer_len += word_len;
5259         buffer[buffer_len] = '\0';
5260         word_ptr += word_len;
5261       }
5262       else if (buffer_len > 0)
5263       {
5264         /* not enough space left for word in text buffer -- print buffer */
5265
5266         print_buffer = TRUE;
5267       }
5268       else
5269       {
5270         /* word does not fit at all into empty text buffer -- cut word */
5271
5272         strncpy(buffer, word_ptr, max_chars_per_line);
5273         buffer[max_chars_per_line] = '\0';
5274         word_ptr += max_chars_per_line;
5275         print_buffer = TRUE;
5276       }
5277
5278       if (print_buffer)
5279       {
5280         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
5281           return lines_printed;
5282
5283         last_line_was_empty = (buffer_len == 0);
5284         lines_printed++;
5285
5286         buffer[0] = '\0';
5287         buffer_len = 0;
5288         print_buffer = FALSE;
5289       }
5290     }
5291   }
5292
5293   fclose(file);
5294
5295   if (buffer_len > 0)
5296     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
5297       lines_printed++;
5298
5299   return lines_printed;
5300 }
5301
5302 static void DrawPropertiesTabulatorGadgets()
5303 {
5304   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
5305   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
5306   int gd_x = gd->x + gd_gi->border.width / 2;
5307   int gd_y = gd->y + gd_gi->height - 1;
5308   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
5309   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
5310   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
5311   int i;
5312
5313   /* draw additional "advanced" tabulator for custom elements */
5314   if (IS_CUSTOM_ELEMENT(properties_element))
5315     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
5316
5317   for (i=id_first; i <= id_last; i++)
5318   {
5319     int gadget_id = textbutton_info[i].gadget_id;
5320     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5321     boolean active = (i != edit_mode_properties);
5322
5323     /* draw background line below tabulator button */
5324     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
5325
5326     /* draw solid line below inactive tabulator buttons */
5327     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
5328       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
5329
5330     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
5331     MapTextbuttonGadget(i);
5332   }
5333
5334   /* draw little border line below tabulator buttons */
5335   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
5336     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
5337                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
5338                   ED_GADGET_DISTANCE, tab_color);
5339 }
5340
5341 static void DrawPropertiesInfo()
5342 {
5343   static struct
5344   {
5345     int value;
5346     char *text;
5347   }
5348   properties[] =
5349   {
5350     /* configurable properties */
5351
5352     { EP_WALKABLE_OVER,         "- player can walk over it"             },
5353     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
5354     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
5355     { EP_PASSABLE_OVER,         "- player can pass over it"             },
5356     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
5357     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
5358
5359     { EP_DIGGABLE,              "- can be digged away"                  },
5360     { EP_COLLECTIBLE,           "- can be collected"                    },
5361     { EP_DROPPABLE,             "- can be dropped after collecting"     },
5362     { EP_PUSHABLE,              "- can be pushed"                       },
5363
5364     { EP_CAN_MOVE,              "- can move"                            },
5365     { EP_CAN_FALL,              "- can fall"                            },
5366
5367     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
5368 #if 0
5369     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
5370 #endif
5371     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
5372
5373     { EP_SLIPPERY,              "- slippery for falling objects"        },
5374     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
5375
5376     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
5377     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
5378     { EP_DONT_TOUCH,            "- deadly when touching"                },
5379
5380     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
5381
5382     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
5383     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
5384     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
5385
5386     { EP_CAN_CHANGE,            "- can change to other element"         },
5387
5388     /* pre-defined properties */
5389     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
5390     { EP_HAS_CONTENT,           "- can contain other elements"          },
5391
5392     { -1,                       NULL                                    }
5393   };
5394   char *filename = getElementDescriptionFilename(properties_element);
5395   char *percentage_text = "In this level:";
5396   char *properties_text = "Standard properties:";
5397   float percentage;
5398   int num_elements_in_level;
5399   int num_standard_properties = 0;
5400   int font1_nr = FONT_TEXT_1;
5401   int font2_nr = FONT_TEXT_2;
5402   int font1_width = getFontWidth(font1_nr);
5403   int font2_height = getFontHeight(font2_nr);
5404   int pad_x = ED_SETTINGS_XPOS(0);
5405   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
5406   int screen_line = 0;
5407   int i, x, y;
5408
5409   /* ----- print number of elements / percentage of this element in level */
5410
5411   num_elements_in_level = 0;
5412   for (y=0; y<lev_fieldy; y++)
5413     for (x=0; x<lev_fieldx; x++)
5414       if (Feld[x][y] == properties_element)
5415         num_elements_in_level++;
5416   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
5417
5418   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
5419             percentage_text);
5420   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
5421             pad_y + screen_line++ * font2_height, font2_nr,
5422             "%d (%.2f%%)", num_elements_in_level, percentage);
5423
5424   screen_line++;
5425
5426   /* ----- print standard properties of this element */
5427
5428   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
5429             properties_text);
5430
5431   for (i=0; properties[i].value != -1; i++)
5432   {
5433     if (!HAS_PROPERTY(properties_element, properties[i].value))
5434       continue;
5435
5436     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
5437               properties[i].text);
5438     num_standard_properties++;
5439   }
5440
5441   if (num_standard_properties == 0)
5442     DrawTextF(pad_x + strlen(properties_text) * font1_width,
5443               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
5444
5445   screen_line++;
5446
5447   /* ----- print special description of this element */
5448
5449   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
5450   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
5451     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
5452 }
5453
5454 #define TEXT_COLLECTING         "Score for collecting"
5455 #define TEXT_SMASHING           "Score for smashing"
5456 #define TEXT_CRACKING           "Score for cracking"
5457 #define TEXT_SPEED              "Speed of amoeba growth"
5458 #define TEXT_DURATION           "Duration when activated"
5459
5460 static struct
5461 {
5462   int element;
5463   int *value;
5464   char *text;
5465 } elements_with_counter[] =
5466 {
5467   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
5468   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
5469   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
5470   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
5471   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
5472   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
5473   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
5474   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
5475   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
5476   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
5477   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
5478   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
5479   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
5480   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
5481   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
5482   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
5483   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
5484   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
5485   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5486   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5487   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5488   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5489   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5490   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5491   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5492   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5493   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
5494   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
5495   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
5496   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
5497   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
5498   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
5499   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
5500   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
5501   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
5502   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
5503   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
5504   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
5505   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
5506   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
5507   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
5508   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
5509   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
5510   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
5511   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
5512   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
5513 #if 1
5514   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
5515   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
5516   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
5517   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
5518 #else
5519   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5520   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5521   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5522   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
5523 #endif
5524   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
5525   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
5526   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
5527   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
5528   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
5529   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
5530   { -1,                 NULL,                           NULL            }
5531 };
5532
5533 static boolean checkPropertiesConfig()
5534 {
5535   int i;
5536
5537   if (IS_GEM(properties_element) ||
5538       IS_CUSTOM_ELEMENT(properties_element) ||
5539       IS_ENVELOPE(properties_element) ||
5540       HAS_CONTENT(properties_element))
5541     return TRUE;
5542   else
5543     for (i=0; elements_with_counter[i].element != -1; i++)
5544       if (elements_with_counter[i].element == properties_element)
5545         return TRUE;
5546
5547   return FALSE;
5548 }
5549
5550 static void DrawPropertiesConfig()
5551 {
5552   int i;
5553
5554   if (!checkPropertiesConfig())
5555   {
5556     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
5557
5558     return;
5559   }
5560
5561   /* check if there are elements where a score can be chosen for */
5562   for (i=0; elements_with_counter[i].element != -1; i++)
5563   {
5564     if (elements_with_counter[i].element == properties_element)
5565     {
5566       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
5567
5568       counterbutton_info[counter_id].value = elements_with_counter[i].value;
5569       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
5570       MapCounterButtons(counter_id);
5571
5572       break;
5573     }
5574   }
5575
5576   if (HAS_CONTENT(properties_element))
5577   {
5578     /* draw stickybutton gadget */
5579     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
5580     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
5581     MapCheckbuttonGadget(i);
5582
5583     if (IS_AMOEBOID(properties_element))
5584       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
5585     else
5586       DrawElementContentAreas();
5587   }
5588
5589   if (IS_GEM(properties_element))
5590     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
5591
5592   if (IS_ENVELOPE(properties_element))
5593   {
5594     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
5595     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
5596     int envelope_nr = properties_element - EL_ENVELOPE_1;
5597
5598     counterbutton_info[counter1_id].value = &level.envelope_xsize[envelope_nr];
5599     counterbutton_info[counter2_id].value = &level.envelope_ysize[envelope_nr];
5600
5601     /* display counter to choose size of envelope text area */
5602     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_XSIZE);
5603     MapCounterButtons(ED_COUNTER_ID_ENVELOPE_YSIZE);
5604
5605     DrawEnvelopeTextArea(envelope_nr);
5606   }
5607
5608   if (IS_CUSTOM_ELEMENT(properties_element))
5609   {
5610     /* draw stickybutton gadget */
5611     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
5612     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
5613     MapCheckbuttonGadget(i);
5614
5615     /* draw checkbutton gadgets */
5616     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
5617          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
5618       MapCheckbuttonGadget(i);
5619
5620     /* draw counter gadgets */
5621     for (i=ED_COUNTER_ID_CUSTOM_FIRST; i<=ED_COUNTER_ID_CUSTOM_LAST; i++)
5622       MapCounterButtons(i);
5623
5624     /* draw selectbox gadgets */
5625     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
5626       MapSelectboxGadget(i);
5627
5628     /* draw drawing area gadgets */
5629     DrawCustomContentArea();
5630
5631     /* draw text input gadgets */
5632     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
5633   }
5634 }
5635
5636 static void DrawPropertiesAdvancedDrawingAreas()
5637 {
5638   MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
5639   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
5640   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
5641
5642   DrawCustomChangeContentArea();
5643
5644   redraw_mask |= REDRAW_FIELD;
5645 }
5646
5647 static void DrawPropertiesAdvanced()
5648 {
5649   int i;
5650
5651   /* draw stickybutton gadget */
5652   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
5653   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
5654   MapCheckbuttonGadget(i);
5655
5656   /* draw checkbutton gadgets */
5657   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
5658        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
5659     MapCheckbuttonGadget(i);
5660
5661   /* draw counter gadgets */
5662   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
5663     MapCounterButtons(i);
5664
5665   /* draw selectbox gadgets */
5666   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
5667     MapSelectboxGadget(i);
5668
5669   /* draw textbutton gadgets */
5670   for (i=ED_TEXTBUTTON_ID_CHANGE_FIRST; i<=ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
5671     MapTextbuttonGadget(i);
5672
5673   /* draw graphicbutton gadgets */
5674   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
5675        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
5676     MapGraphicbuttonGadget(i);
5677
5678   /* draw drawing area gadgets */
5679   DrawPropertiesAdvancedDrawingAreas();
5680 }
5681
5682 static void DrawElementName(int x, int y, int element)
5683 {
5684   char *element_name = getElementInfoText(element);
5685   int font_nr = FONT_TEXT_1;
5686   int font_width = getFontWidth(font_nr);
5687   int font_height = getFontHeight(font_nr);
5688   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
5689   int max_chars_per_line = max_text_width / font_width;
5690   char buffer[max_chars_per_line + 1];
5691
5692   if (strlen(element_name) <= max_chars_per_line)
5693     DrawTextF(x, y, font_nr, element_name);
5694   else
5695   {
5696     int next_pos = max_chars_per_line;
5697
5698     strncpy(buffer, element_name, max_chars_per_line);
5699     buffer[max_chars_per_line] = '\0';
5700
5701     if (element_name[max_chars_per_line] == ' ')
5702       next_pos++;
5703     else
5704     {
5705       int i;
5706
5707       for (i = max_chars_per_line - 1; i >= 0; i--)
5708         if (buffer[i] == ' ')
5709           break;
5710
5711       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
5712       {
5713         buffer[i] = '\0';
5714         next_pos = i + 1;
5715       }
5716     }
5717
5718     DrawTextF(x, y - font_height / 2, font_nr, buffer);
5719
5720     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
5721     buffer[max_chars_per_line] = '\0';
5722
5723     DrawTextF(x, y + font_height / 2, font_nr, buffer);
5724   }
5725 }
5726
5727 static void DrawPropertiesWindow()
5728 {
5729   int xstart = 2;
5730   int ystart = 4;
5731
5732   stick_element_properties_window = FALSE;
5733
5734   /* make sure that previous properties edit mode exists for this element */
5735   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
5736       !IS_CUSTOM_ELEMENT(properties_element))
5737     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
5738
5739   if (IS_CUSTOM_ELEMENT(properties_element))
5740     CopyCustomElementPropertiesToEditor(properties_element);
5741
5742   UnmapLevelEditorWindowGadgets();
5743
5744   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
5745   ClearWindow();
5746
5747   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
5748            "Element Settings", FONT_TITLE_1);
5749
5750   DrawElementBorder(SX + xstart * MINI_TILEX,
5751                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
5752                     TILEX, TILEY, FALSE);
5753   DrawGraphicAnimationExt(drawto,
5754                           SX + xstart * MINI_TILEX,
5755                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
5756                           el2img(properties_element), -1, NO_MASKING);
5757
5758   FrameCounter = 0;     /* restart animation frame counter */
5759
5760   DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
5761                   properties_element);
5762
5763   DrawPropertiesTabulatorGadgets();
5764
5765   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
5766     DrawPropertiesInfo();
5767   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
5768     DrawPropertiesConfig();
5769   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
5770     DrawPropertiesAdvanced();
5771 }
5772
5773 static void UpdateCustomElementGraphicGadgets()
5774 {
5775   ModifyEditorElementList();
5776   RedrawDrawingElements();
5777
5778   if (edit_mode == ED_MODE_PROPERTIES &&
5779       edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED)
5780     DrawPropertiesAdvancedDrawingAreas();
5781 }
5782
5783 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
5784 {
5785   int lx = sx + level_xpos;
5786   int ly = sy + level_ypos;
5787
5788   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
5789
5790   if (change_level)
5791     Feld[lx][ly] = element;
5792 }
5793
5794 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
5795                      int element, boolean change_level)
5796 {
5797   if (from_y == to_y)                   /* horizontal line */
5798   {
5799     int x;
5800     int y = from_y;
5801
5802     if (from_x > to_x)
5803       swap_numbers(&from_x, &to_x);
5804
5805     for (x=from_x; x<=to_x; x++)
5806       DrawLineElement(x, y, element, change_level);
5807   }
5808   else if (from_x == to_x)              /* vertical line */
5809   {
5810     int x = from_x;
5811     int y;
5812
5813     if (from_y > to_y)
5814       swap_numbers(&from_y, &to_y);
5815
5816     for (y=from_y; y<=to_y; y++)
5817       DrawLineElement(x, y, element, change_level);
5818   }
5819   else                                  /* diagonal line */
5820   {
5821     int len_x = ABS(to_x - from_x);
5822     int len_y = ABS(to_y - from_y);
5823     int x, y;
5824
5825     if (len_y < len_x)                  /* a < 1 */
5826     {
5827       float a = (float)len_y / (float)len_x;
5828
5829       if (from_x > to_x)
5830         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5831
5832       for (x=0; x<=len_x; x++)
5833       {
5834         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
5835         DrawLineElement(from_x + x, from_y + y, element, change_level);
5836       }
5837     }
5838     else                                /* a >= 1 */
5839     {
5840       float a = (float)len_x / (float)len_y;
5841
5842       if (from_y > to_y)
5843         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5844
5845       for (y=0; y<=len_y; y++)
5846       {
5847         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
5848         DrawLineElement(from_x + x, from_y + y, element, change_level);
5849       }
5850     }
5851   }
5852 }
5853
5854 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
5855                     int element, boolean change_level)
5856 {
5857   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
5858   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
5859   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
5860   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
5861 }
5862
5863 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
5864                           int element, boolean change_level)
5865 {
5866   int y;
5867
5868   if (from_y > to_y)
5869     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5870
5871   for (y=from_y; y<=to_y; y++)
5872     DrawLine(from_x, y, to_x, y, element, change_level);
5873 }
5874
5875 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
5876                        int element, boolean change_level)
5877 {
5878   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
5879   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
5880   int len_x = ABS(to_x - from_x);
5881   int len_y = ABS(to_y - from_y);
5882   int radius, x, y;
5883
5884   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
5885
5886   /* not optimal (some points get drawn twice) but simple,
5887      and fast enough for the few points we are drawing */
5888
5889   for (x=0; x<=radius; x++)
5890   {
5891     int sx, sy, lx, ly;
5892
5893     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
5894
5895     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5896     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5897     lx = sx + level_xpos;
5898     ly = sy + level_ypos;
5899
5900     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5901       DrawLineElement(sx, sy, element, change_level);
5902   }
5903
5904   for (y=0; y<=radius; y++)
5905   {
5906     int sx, sy, lx, ly;
5907
5908     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
5909
5910     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5911     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5912     lx = sx + level_xpos;
5913     ly = sy + level_ypos;
5914
5915     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5916       DrawLineElement(sx, sy, element, change_level);
5917   }
5918 }
5919
5920 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
5921                     int element, boolean change_level)
5922 {
5923   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5924   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5925
5926   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5927 }
5928
5929 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
5930 #if DRAW_CIRCLES_BUTTON_AVAILABLE
5931 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
5932                        int element, boolean change_level)
5933 {
5934   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5935   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5936   int mirror_to_x2 = from_x - (to_x2 - from_x);
5937   int mirror_to_y2 = from_y - (to_y2 - from_y);
5938
5939   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5940   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
5941   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
5942   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
5943 }
5944 #endif
5945
5946 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
5947 {
5948   int from_sx, from_sy;
5949   int to_sx, to_sy;
5950
5951   if (from_x > to_x)
5952     swap_numbers(&from_x, &to_x);
5953
5954   if (from_y > to_y)
5955     swap_numbers(&from_y, &to_y);
5956
5957   from_sx = SX + from_x * MINI_TILEX;
5958   from_sy = SY + from_y * MINI_TILEY;
5959   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
5960   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
5961
5962   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
5963   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
5964   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
5965   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
5966
5967   if (from_x == to_x && from_y == to_y)
5968     MarkTileDirty(from_x/2, from_y/2);
5969   else
5970     redraw_mask |= REDRAW_FIELD;
5971 }
5972
5973 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
5974                        int element, boolean change_level)
5975 {
5976   if (element == -1 || change_level)
5977     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
5978   else
5979     DrawAreaBorder(from_x, from_y, to_x, to_y);
5980 }
5981
5982 /* values for CopyBrushExt() */
5983 #define CB_AREA_TO_BRUSH        0
5984 #define CB_BRUSH_TO_CURSOR      1
5985 #define CB_BRUSH_TO_LEVEL       2
5986 #define CB_DELETE_OLD_CURSOR    3
5987
5988 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
5989                          int button, int mode)
5990 {
5991   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
5992   static int brush_width, brush_height;
5993   static int last_cursor_x = -1, last_cursor_y = -1;
5994   static boolean delete_old_brush;
5995   int new_element = BUTTON_ELEMENT(button);
5996   int x, y;
5997
5998   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
5999     return;
6000
6001   if (mode == CB_AREA_TO_BRUSH)
6002   {
6003     int from_lx, from_ly;
6004
6005     if (from_x > to_x)
6006       swap_numbers(&from_x, &to_x);
6007
6008     if (from_y > to_y)
6009       swap_numbers(&from_y, &to_y);
6010
6011     brush_width = to_x - from_x + 1;
6012     brush_height = to_y - from_y + 1;
6013
6014     from_lx = from_x + level_xpos;
6015     from_ly = from_y + level_ypos;
6016
6017     for (y=0; y<brush_height; y++)
6018     {
6019       for (x=0; x<brush_width; x++)
6020       {
6021         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
6022
6023         if (button != 1)
6024           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
6025       }
6026     }
6027
6028     if (button != 1)
6029       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6030
6031     delete_old_brush = FALSE;
6032   }
6033   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
6034            mode == CB_BRUSH_TO_LEVEL)
6035   {
6036     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
6037     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
6038     int cursor_from_x = cursor_x - brush_width / 2;
6039     int cursor_from_y = cursor_y - brush_height / 2;
6040     int border_from_x = cursor_x, border_from_y = cursor_y;
6041     int border_to_x = cursor_x, border_to_y = cursor_y;
6042
6043     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
6044       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
6045
6046     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
6047         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
6048     {
6049       delete_old_brush = FALSE;
6050       return;
6051     }
6052
6053     for (y=0; y<brush_height; y++)
6054     {
6055       for (x=0; x<brush_width; x++)
6056       {
6057         int sx = cursor_from_x + x;
6058         int sy = cursor_from_y + y;
6059         int lx = sx + level_xpos;
6060         int ly = sy + level_ypos;
6061         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
6062         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
6063                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
6064                        brush_buffer[x][y] : new_element);
6065
6066         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6067         {
6068           if (sx < border_from_x)
6069             border_from_x = sx;
6070           else if (sx > border_to_x)
6071             border_to_x = sx;
6072           if (sy < border_from_y)
6073             border_from_y = sy;
6074           else if (sy > border_to_y)
6075             border_to_y = sy;
6076
6077           DrawLineElement(sx, sy, element, change_level);
6078         }
6079       }
6080     }
6081
6082     if (mode != CB_DELETE_OLD_CURSOR)
6083       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
6084
6085     last_cursor_x = cursor_x;
6086     last_cursor_y = cursor_y;
6087     delete_old_brush = TRUE;
6088   }
6089 }
6090
6091 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
6092                             int button)
6093 {
6094   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
6095 }
6096
6097 static void CopyBrushToLevel(int x, int y, int button)
6098 {
6099   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
6100 }
6101
6102 static void CopyBrushToCursor(int x, int y)
6103 {
6104   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
6105 }
6106
6107 static void DeleteBrushFromCursor()
6108 {
6109   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
6110 }
6111
6112 static void FloodFill(int from_x, int from_y, int fill_element)
6113 {
6114   int i,x,y;
6115   int old_element;
6116   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
6117   static int safety = 0;
6118
6119   /* check if starting field still has the desired content */
6120   if (Feld[from_x][from_y] == fill_element)
6121     return;
6122
6123   safety++;
6124
6125   if (safety > lev_fieldx*lev_fieldy)
6126     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
6127
6128   old_element = Feld[from_x][from_y];
6129   Feld[from_x][from_y] = fill_element;
6130
6131   for(i=0;i<4;i++)
6132   {
6133     x = from_x + check[i][0];
6134     y = from_y + check[i][1];
6135
6136     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
6137       FloodFill(x, y, fill_element);
6138   }
6139
6140   safety--;
6141 }
6142
6143 /* values for DrawLevelText() modes */
6144 #define TEXT_INIT               0
6145 #define TEXT_SETCURSOR          1
6146 #define TEXT_WRITECHAR          2
6147 #define TEXT_BACKSPACE          3
6148 #define TEXT_NEWLINE            4
6149 #define TEXT_END                5
6150 #define TEXT_QUERY_TYPING       6
6151
6152 static int DrawLevelText(int sx, int sy, char letter, int mode)
6153 {
6154   static short delete_buffer[MAX_LEV_FIELDX];
6155   static int start_sx, start_sy;
6156   static int last_sx, last_sy;
6157   static boolean typing = FALSE;
6158   int letter_element = EL_CHAR_ASCII0 + letter;
6159   int lx = 0, ly = 0;
6160
6161   /* map lower case letters to upper case and convert special characters */
6162   if (letter >= 'a' && letter <= 'z')
6163     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
6164   else if (letter == 'ä' || letter == 'Ä')
6165     letter_element = EL_CHAR_AUMLAUT;
6166   else if (letter == 'ö' || letter == 'Ö')
6167     letter_element = EL_CHAR_OUMLAUT;
6168   else if (letter == 'ü' || letter == 'Ü')
6169     letter_element = EL_CHAR_UUMLAUT;
6170   else if (letter == '^')
6171     letter_element = EL_CHAR_COPYRIGHT;
6172   else
6173     letter_element = EL_CHAR_ASCII0 + letter;
6174
6175   if (mode != TEXT_INIT)
6176   {
6177     if (!typing)
6178       return FALSE;
6179
6180     if (mode != TEXT_SETCURSOR)
6181     {
6182       sx = last_sx;
6183       sy = last_sy;
6184     }
6185
6186     lx = last_sx + level_xpos;
6187     ly = last_sy + level_ypos;
6188   }
6189
6190   switch (mode)
6191   {
6192     case TEXT_INIT:
6193       if (typing)
6194         DrawLevelText(0, 0, 0, TEXT_END);
6195
6196       typing = TRUE;
6197       start_sx = last_sx = sx;
6198       start_sy = last_sy = sy;
6199       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
6200       break;
6201
6202     case TEXT_SETCURSOR:
6203       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
6204       DrawAreaBorder(sx, sy, sx, sy);
6205       last_sx = sx;
6206       last_sy = sy;
6207       break;
6208
6209     case TEXT_WRITECHAR:
6210       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
6211       {
6212         delete_buffer[sx - start_sx] = Feld[lx][ly];
6213         Feld[lx][ly] = letter_element;
6214
6215         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
6216           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
6217         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
6218           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
6219         else
6220           DrawLevelText(0, 0, 0, TEXT_END);
6221       }
6222       break;
6223
6224     case TEXT_BACKSPACE:
6225       if (sx > start_sx)
6226       {
6227         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
6228         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
6229         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
6230       }
6231       break;
6232
6233     case TEXT_NEWLINE:
6234       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
6235         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
6236       else
6237         DrawLevelText(0, 0, 0, TEXT_END);
6238       break;
6239
6240     case TEXT_END:
6241       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6242       DrawMiniElement(sx, sy, Feld[lx][ly]);
6243       typing = FALSE;
6244       break;
6245
6246     case TEXT_QUERY_TYPING:
6247       break;
6248
6249     default:
6250       break;
6251   }
6252
6253   return typing;
6254 }
6255
6256 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
6257                           int element, boolean change_level)
6258 {
6259   int lx = sx + level_xpos;
6260   int ly = sy + level_ypos;
6261
6262   if (element == -1)
6263     DrawMiniElement(sx, sy, Feld[lx][ly]);
6264   else
6265     DrawAreaBorder(sx, sy, sx, sy);
6266 }
6267
6268 static void CopyLevelToUndoBuffer(int mode)
6269 {
6270   static boolean accumulated_undo = FALSE;
6271   boolean new_undo_buffer_position = TRUE;
6272   int last_border_element;
6273   int x, y;
6274
6275   switch (mode)
6276   {
6277     case UNDO_IMMEDIATE:
6278       accumulated_undo = FALSE;
6279       break;
6280
6281     case UNDO_ACCUMULATE:
6282       if (accumulated_undo)
6283         new_undo_buffer_position = FALSE;
6284       accumulated_undo = TRUE;
6285       break;
6286
6287     default:
6288       break;
6289   }
6290
6291   if (new_undo_buffer_position)
6292   {
6293     /* new position in undo buffer ring */
6294     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
6295
6296     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
6297       undo_buffer_steps++;
6298   }
6299
6300   for(x=0; x<lev_fieldx; x++)
6301     for(y=0; y<lev_fieldy; y++)
6302       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
6303
6304   /* check if drawing operation forces change of border style */
6305   last_border_element = BorderElement;
6306   SetBorderElement();
6307   if (BorderElement != last_border_element)
6308     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6309 }
6310
6311 static void RandomPlacement(int new_element)
6312 {
6313   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
6314   int num_free_positions;
6315   int num_percentage;
6316   int num_elements;
6317   int x, y;
6318
6319   /* determine number of free positions for the new elements */
6320   /* (maybe this statement should be formatted a bit more readable...) */
6321   num_free_positions = 0;
6322   for (x=0; x<lev_fieldx; x++)
6323     for (y=0; y<lev_fieldy; y++)
6324       if ((free_position[x][y] =
6325            ((random_placement_background_restricted &&
6326              Feld[x][y] == random_placement_background_element) ||
6327             (!random_placement_background_restricted &&
6328              Feld[x][y] != new_element))) == TRUE)
6329         num_free_positions++;
6330
6331   /* determine number of new elements to place there */
6332   num_percentage = num_free_positions * random_placement_value / 100;
6333   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
6334                   num_percentage : random_placement_value);
6335
6336   /* if not more free positions than elements to place, fill whole level */
6337   if (num_elements >= num_free_positions)
6338   {
6339     for (x=0; x<lev_fieldx; x++)
6340       for (y=0; y<lev_fieldy; y++)
6341         Feld[x][y] = new_element;
6342
6343     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6344     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6345     return;
6346   }
6347
6348   while (num_elements > 0)
6349   {
6350     x = RND(lev_fieldx);
6351     y = RND(lev_fieldy);
6352
6353     /* don't place element at the same position twice */
6354     if (free_position[x][y])
6355     {
6356       free_position[x][y] = FALSE;
6357       Feld[x][y] = new_element;
6358       num_elements--;
6359     }
6360   }
6361
6362   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6363   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6364 }
6365
6366 void WrapLevel(int dx, int dy)
6367 {
6368   int wrap_dx = lev_fieldx - dx;
6369   int wrap_dy = lev_fieldy - dy;
6370   int x, y;
6371
6372   for(x=0; x<lev_fieldx; x++)
6373     for(y=0; y<lev_fieldy; y++)
6374       FieldBackup[x][y] = Feld[x][y];
6375
6376   for(x=0; x<lev_fieldx; x++)
6377     for(y=0; y<lev_fieldy; y++)
6378       Feld[x][y] =
6379         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
6380
6381   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6382   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
6383 }
6384
6385 static void HandleDrawingAreas(struct GadgetInfo *gi)
6386 {
6387   static boolean started_inside_drawing_area = FALSE;
6388   int id = gi->custom_id;
6389   boolean button_press_event;
6390   boolean button_release_event;
6391   boolean inside_drawing_area = !gi->event.off_borders;
6392   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
6393   int actual_drawing_function;
6394   int button = gi->event.button;
6395   int new_element = BUTTON_ELEMENT(button);
6396   int sx = gi->event.x, sy = gi->event.y;
6397   int min_sx = 0, min_sy = 0;
6398   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
6399   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
6400   int lx = 0, ly = 0;
6401   int min_lx = 0, min_ly = 0;
6402   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
6403   int x, y;
6404
6405   /* handle info callback for each invocation of action callback */
6406   gi->callback_info(gi);
6407
6408   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
6409   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
6410
6411   /* make sure to stay inside drawing area boundaries */
6412   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
6413   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
6414
6415   if (draw_level)
6416   {
6417     /* get positions inside level field */
6418     lx = sx + level_xpos;
6419     ly = sy + level_ypos;
6420
6421     if (!IN_LEV_FIELD(lx, ly))
6422       inside_drawing_area = FALSE;
6423
6424     /* make sure to stay inside level field boundaries */
6425     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
6426     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
6427
6428     /* correct drawing area positions accordingly */
6429     sx = lx - level_xpos;
6430     sy = ly - level_ypos;
6431   }
6432
6433   if (button_press_event)
6434     started_inside_drawing_area = inside_drawing_area;
6435
6436   if (!started_inside_drawing_area)
6437     return;
6438
6439   if (!button && !button_release_event)
6440     return;
6441
6442   /* automatically switch to 'single item' drawing mode, if needed */
6443   actual_drawing_function =
6444     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
6445      drawing_function : GADGET_ID_SINGLE_ITEMS);
6446
6447   /* clicking into drawing area with pressed Control key picks element */
6448   if (GetKeyModState() & KMOD_Control)
6449     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
6450
6451   switch (actual_drawing_function)
6452   {
6453     case GADGET_ID_SINGLE_ITEMS:
6454       if (draw_level)
6455       {
6456         if (button_release_event)
6457         {
6458           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6459
6460           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
6461               !inside_drawing_area)
6462             DeleteBrushFromCursor();
6463         }
6464
6465         if (!button)
6466           break;
6467
6468         if (draw_with_brush)
6469         {
6470           if (!button_release_event)
6471             CopyBrushToLevel(sx, sy, button);
6472         }
6473         else if (new_element != Feld[lx][ly])
6474         {
6475           if (new_element == EL_PLAYER_1)
6476           {
6477             /* remove player at old position */
6478             for(y=0; y<lev_fieldy; y++)
6479             {
6480               for(x=0; x<lev_fieldx; x++)
6481               {
6482                 if (Feld[x][y] == EL_PLAYER_1)
6483                 {
6484                   Feld[x][y] = EL_EMPTY;
6485                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
6486                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
6487                     DrawMiniElement(x - level_xpos, y - level_ypos,
6488                                     EL_EMPTY);
6489                 }
6490               }
6491             }
6492           }
6493
6494           Feld[lx][ly] = new_element;
6495           DrawMiniElement(sx, sy, new_element);
6496         }
6497       }
6498       else
6499       {
6500         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
6501           DrawMiniGraphicExt(drawto,
6502                              gi->x + sx * MINI_TILEX,
6503                              gi->y + sy * MINI_TILEY,
6504                              el2edimg(new_element));
6505         else
6506           DrawGraphicExt(drawto,
6507                          gi->x + sx * TILEX,
6508                          gi->y + sy * TILEY,
6509                          el2img(new_element), 0);
6510
6511         if (id == GADGET_ID_AMOEBA_CONTENT)
6512           level.amoeba_content = new_element;
6513         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6514         {
6515           new_element = GFX_ELEMENT(new_element);
6516           custom_element.gfx_element = new_element;
6517
6518           CopyCustomElementPropertiesToGame(properties_element);
6519
6520           UpdateCustomElementGraphicGadgets();
6521
6522           FrameCounter = 0;     /* restart animation frame counter */
6523         }
6524         else if (id == GADGET_ID_CUSTOM_CONTENT)
6525         {
6526           custom_element.content[sx][sy] = new_element;
6527
6528           CopyCustomElementPropertiesToGame(properties_element);
6529         }
6530         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6531         {
6532           custom_element_change.target_element = new_element;
6533
6534           CopyCustomElementPropertiesToGame(properties_element);
6535         }
6536         else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6537         {
6538           custom_element_change.content[sx][sy] = new_element;
6539
6540           CopyCustomElementPropertiesToGame(properties_element);
6541         }
6542         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6543         {
6544           custom_element_change.trigger_element = new_element;
6545
6546           CopyCustomElementPropertiesToGame(properties_element);
6547         }
6548         else if (id == GADGET_ID_RANDOM_BACKGROUND)
6549           random_placement_background_element = new_element;
6550         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6551                  id <= GADGET_ID_ELEMENT_CONTENT_7)
6552           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
6553             new_element;
6554       }
6555       break;
6556
6557     case GADGET_ID_CONNECTED_ITEMS:
6558       {
6559         static int last_sx = -1;
6560         static int last_sy = -1;
6561
6562         if (button_release_event)
6563           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6564
6565         if (button)
6566         {
6567           if (!button_press_event)
6568             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
6569
6570           last_sx = sx;
6571           last_sy = sy;
6572         }
6573       }
6574       break;
6575
6576     case GADGET_ID_LINE:
6577     case GADGET_ID_ARC:
6578     case GADGET_ID_RECTANGLE:
6579     case GADGET_ID_FILLED_BOX:
6580     case GADGET_ID_GRAB_BRUSH:
6581     case GADGET_ID_TEXT:
6582       {
6583         static int last_sx = -1;
6584         static int last_sy = -1;
6585         static int start_sx = -1;
6586         static int start_sy = -1;
6587         void (*draw_func)(int, int, int, int, int, boolean);
6588
6589         if (drawing_function == GADGET_ID_LINE)
6590           draw_func = DrawLine;
6591         else if (drawing_function == GADGET_ID_ARC)
6592           draw_func = DrawArc;
6593         else if (drawing_function == GADGET_ID_RECTANGLE)
6594           draw_func = DrawBox;
6595         else if (drawing_function == GADGET_ID_FILLED_BOX)
6596           draw_func = DrawFilledBox;
6597         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
6598           draw_func = SelectArea;
6599         else /* (drawing_function == GADGET_ID_TEXT) */
6600           draw_func = SetTextCursor;
6601
6602         if (button_press_event)
6603         {
6604           draw_func(sx, sy, sx, sy, new_element, FALSE);
6605           start_sx = last_sx = sx;
6606           start_sy = last_sy = sy;
6607
6608           if (drawing_function == GADGET_ID_TEXT)
6609             DrawLevelText(0, 0, 0, TEXT_END);
6610         }
6611         else if (button_release_event)
6612         {
6613           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
6614           if (drawing_function == GADGET_ID_GRAB_BRUSH)
6615           {
6616             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
6617             CopyBrushToCursor(sx, sy);
6618             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
6619                           MB_LEFTBUTTON);
6620             draw_with_brush = TRUE;
6621           }
6622           else if (drawing_function == GADGET_ID_TEXT)
6623             DrawLevelText(sx, sy, 0, TEXT_INIT);
6624           else
6625             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6626         }
6627         else if (last_sx != sx || last_sy != sy)
6628         {
6629           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
6630           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
6631           last_sx = sx;
6632           last_sy = sy;
6633         }
6634       }
6635       break;
6636
6637     case GADGET_ID_FLOOD_FILL:
6638       if (button_press_event && Feld[lx][ly] != new_element)
6639       {
6640         FloodFill(lx, ly, new_element);
6641         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6642         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6643       }
6644       break;
6645
6646     case GADGET_ID_PICK_ELEMENT:
6647       if (button_release_event)
6648         ClickOnGadget(level_editor_gadget[last_drawing_function],
6649                       MB_LEFTBUTTON);
6650       else if (draw_level)
6651         PickDrawingElement(button, Feld[lx][ly]);
6652       else if (id == GADGET_ID_AMOEBA_CONTENT)
6653         PickDrawingElement(button, level.amoeba_content);
6654       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6655         PickDrawingElement(button, custom_element.gfx_element);
6656       else if (id == GADGET_ID_CUSTOM_CONTENT)
6657         PickDrawingElement(button, custom_element.content[sx][sy]);
6658       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6659         PickDrawingElement(button, custom_element_change.target_element);
6660       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6661         PickDrawingElement(button, custom_element_change.content[sx][sy]);
6662       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6663         PickDrawingElement(button, custom_element_change.trigger_element);
6664       else if (id == GADGET_ID_RANDOM_BACKGROUND)
6665         PickDrawingElement(button, random_placement_background_element);
6666       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6667                id <= GADGET_ID_ELEMENT_CONTENT_7)
6668       {
6669         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
6670
6671         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
6672       }
6673
6674       break;
6675
6676     default:
6677       break;
6678   }
6679 }
6680
6681 static void HandleCounterButtons(struct GadgetInfo *gi)
6682 {
6683   int gadget_id = gi->custom_id;
6684   int counter_id = gi->custom_type_id;
6685   int button = gi->event.button;
6686   int *counter_value = counterbutton_info[counter_id].value;
6687   int step = BUTTON_STEPSIZE(button) *
6688     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
6689
6690   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
6691   {
6692     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
6693     boolean released = (gi->event.type == GD_EVENT_RELEASED);
6694     boolean level_changed = LevelChanged();
6695
6696     if ((level_changed && pressed) || (!level_changed && released))
6697       return;
6698
6699     if (level_changed && !Request("Level has changed! Discard changes ?",
6700                                   REQ_ASK))
6701     {
6702       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
6703         ModifyEditorCounter(counter_id, *counter_value);
6704       return;
6705     }
6706   }
6707
6708   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
6709     *counter_value = gi->textinput.number_value;
6710   else
6711     ModifyEditorCounter(counter_id, *counter_value + step);
6712
6713   switch (counter_id)
6714   {
6715     case ED_COUNTER_ID_ELEMENT_CONTENT:
6716       DrawElementContentAreas();
6717       break;
6718
6719     case ED_COUNTER_ID_ENVELOPE_XSIZE:
6720     case ED_COUNTER_ID_ENVELOPE_YSIZE:
6721       DrawEnvelopeTextArea(-1);
6722       break;
6723
6724     case ED_COUNTER_ID_LEVEL_XSIZE:
6725     case ED_COUNTER_ID_LEVEL_YSIZE:
6726       lev_fieldx = level.fieldx;
6727       lev_fieldy = level.fieldy;
6728       break;
6729
6730     case ED_COUNTER_ID_SELECT_LEVEL:
6731       LoadLevel(level_nr);
6732       TapeErase();
6733       ResetUndoBuffer();
6734       DrawEditModeWindow();
6735       break;
6736
6737     default:
6738       break;
6739   }
6740
6741   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
6742        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
6743       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
6744        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
6745     CopyCustomElementPropertiesToGame(properties_element);
6746 }
6747
6748 static void HandleTextInputGadgets(struct GadgetInfo *gi)
6749 {
6750   int type_id = gi->custom_type_id;
6751
6752   strcpy(textinput_info[type_id].value, gi->textinput.value);
6753
6754   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
6755   {
6756     CopyCustomElementPropertiesToGame(properties_element);
6757
6758     ModifyEditorElementList();  /* update changed button info text */
6759   }
6760 }
6761
6762 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
6763 {
6764   int type_id = gi->custom_type_id;
6765
6766   strcpy(textarea_info[type_id].value, gi->textarea.value);
6767 }
6768
6769 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
6770 {
6771   int type_id = gi->custom_type_id;
6772
6773   *selectbox_info[type_id].value =
6774     selectbox_info[type_id].options[gi->selectbox.index].value;
6775
6776   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
6777   {
6778     element_info[properties_element].current_change_page = gi->selectbox.index;
6779
6780     DrawPropertiesWindow();
6781   }
6782   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
6783             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
6784            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
6785             type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
6786     CopyCustomElementPropertiesToGame(properties_element);
6787 }
6788
6789 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
6790 {
6791   int type_id = gi->custom_type_id;
6792   int i;
6793
6794   if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
6795       type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
6796   {
6797     edit_mode_properties = gi->custom_type_id;
6798
6799     DrawPropertiesWindow();
6800   }
6801   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
6802   {
6803     boolean new_template = (!LevelFileExists(-1));
6804
6805     if (new_template ||
6806         Request("Save this tem- plate and kill the old ?", REQ_ASK))
6807       SaveLevelTemplate();
6808
6809     if (new_template)
6810       Request("Tem- plate saved !", REQ_CONFIRM);
6811   }
6812   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
6813            custom_element.num_change_pages < MAX_CHANGE_PAGES)
6814   {
6815     struct ElementInfo *ei = &element_info[properties_element];
6816
6817     setElementChangePages(ei, ei->num_change_pages + 1);
6818
6819     /* set new change page to be new current change page */
6820     ei->current_change_page = ei->num_change_pages - 1;
6821     ei->change = &ei->change_page[ei->current_change_page];
6822
6823     setElementChangeInfoToDefaults(ei->change);
6824
6825     DrawPropertiesWindow();
6826   }
6827   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6828            custom_element.num_change_pages > MIN_CHANGE_PAGES)
6829   {
6830     struct ElementInfo *ei = &element_info[properties_element];
6831
6832     /* copy all change pages after change page to be deleted */
6833     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
6834       ei->change_page[i] = ei->change_page[i + 1];
6835
6836     setElementChangePages(ei, ei->num_change_pages - 1);
6837
6838     DrawPropertiesWindow();
6839   }
6840 }
6841
6842 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
6843 {
6844   int type_id = gi->custom_type_id;
6845
6846   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
6847       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
6848   {
6849     struct ElementInfo *ei = &element_info[properties_element];
6850     int step = BUTTON_STEPSIZE(gi->event.button);
6851
6852     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
6853     ei->current_change_page += step;
6854
6855     if (ei->current_change_page < 0)
6856       ei->current_change_page = 0;
6857     else if (ei->current_change_page >= ei->num_change_pages)
6858       ei->current_change_page = ei->num_change_pages - 1;
6859
6860     DrawPropertiesWindow();
6861   }
6862 }
6863
6864 static void HandleRadiobuttons(struct GadgetInfo *gi)
6865 {
6866   *radiobutton_info[gi->custom_type_id].value =
6867     radiobutton_info[gi->custom_type_id].checked_value;
6868 }
6869
6870 static void HandleCheckbuttons(struct GadgetInfo *gi)
6871 {
6872   int type_id = gi->custom_type_id;
6873
6874   *checkbutton_info[type_id].value ^= TRUE;
6875
6876   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
6877        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
6878       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
6879        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST &&
6880        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
6881   {
6882     CopyCustomElementPropertiesToGame(properties_element);
6883   }
6884
6885   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
6886   {
6887     UpdateCustomElementGraphicGadgets();
6888   }
6889   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
6890   {
6891     if (level.use_custom_template && !LevelFileExists(-1))
6892     {
6893       Request("No level tem- plate found !", REQ_CONFIRM);
6894
6895       level.use_custom_template = FALSE;
6896       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
6897
6898       return;
6899     }
6900
6901     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
6902
6903     DrawEditModeWindow();
6904   }
6905 }
6906
6907 static void HandleControlButtons(struct GadgetInfo *gi)
6908 {
6909   int id = gi->custom_id;
6910   int button = gi->event.button;
6911   int step = BUTTON_STEPSIZE(button);
6912   int new_element = BUTTON_ELEMENT(button);
6913   int x, y;
6914
6915   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
6916     DrawLevelText(0, 0, 0, TEXT_END);
6917
6918   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
6919       id != GADGET_ID_PICK_ELEMENT && edit_mode != ED_MODE_DRAWING &&
6920       drawing_function != GADGET_ID_PICK_ELEMENT &&
6921       !(GetKeyModState() & KMOD_Control))
6922   {
6923     DrawDrawingWindow();
6924     edit_mode = ED_MODE_DRAWING;
6925   }
6926
6927   switch (id)
6928   {
6929     case GADGET_ID_SCROLL_LEFT:
6930       if (level_xpos >= 0)
6931       {
6932         if (lev_fieldx < ed_fieldx - 2)
6933           break;
6934
6935         level_xpos -= step;
6936         if (level_xpos < -1)
6937           level_xpos = -1;
6938         if (button == 1)
6939           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
6940         else
6941           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6942
6943         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6944                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6945       }
6946       break;
6947
6948     case GADGET_ID_SCROLL_RIGHT:
6949       if (level_xpos <= lev_fieldx - ed_fieldx)
6950       {
6951         if (lev_fieldx < ed_fieldx - 2)
6952           break;
6953
6954         level_xpos += step;
6955         if (level_xpos > lev_fieldx - ed_fieldx + 1)
6956           level_xpos = lev_fieldx - ed_fieldx + 1;
6957         if (button == 1)
6958           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
6959         else
6960           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6961
6962         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6963                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6964       }
6965       break;
6966
6967     case GADGET_ID_SCROLL_UP:
6968       if (level_ypos >= 0)
6969       {
6970         if (lev_fieldy < ed_fieldy - 2)
6971           break;
6972
6973         level_ypos -= step;
6974         if (level_ypos < -1)
6975           level_ypos = -1;
6976         if (button == 1)
6977           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
6978         else
6979           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6980
6981         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6982                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6983       }
6984       break;
6985
6986     case GADGET_ID_SCROLL_DOWN:
6987       if (level_ypos <= lev_fieldy - ed_fieldy)
6988       {
6989         if (lev_fieldy < ed_fieldy - 2)
6990           break;
6991
6992         level_ypos += step;
6993         if (level_ypos > lev_fieldy - ed_fieldy + 1)
6994           level_ypos = lev_fieldy - ed_fieldy + 1;
6995         if (button == 1)
6996           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
6997         else
6998           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6999
7000         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7001                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
7002       }
7003       break;
7004
7005     case GADGET_ID_SCROLL_HORIZONTAL:
7006       level_xpos = gi->event.item_position - 1;
7007       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7008       break;
7009
7010     case GADGET_ID_SCROLL_VERTICAL:
7011       level_ypos = gi->event.item_position - 1;
7012       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7013       break;
7014
7015     case GADGET_ID_SCROLL_LIST_UP:
7016     case GADGET_ID_SCROLL_LIST_DOWN:
7017     case GADGET_ID_SCROLL_LIST_VERTICAL:
7018       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
7019         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
7020       else
7021       {
7022         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
7023         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
7024
7025         if (element_shift < 0)
7026           element_shift = 0;
7027         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7028           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7029
7030         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
7031                      GDI_SCROLLBAR_ITEM_POSITION,
7032                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
7033       }
7034
7035       ModifyEditorElementList();
7036
7037       break;
7038
7039     case GADGET_ID_WRAP_LEFT:
7040       WrapLevel(-step, 0);
7041       break;
7042
7043     case GADGET_ID_WRAP_RIGHT:
7044       WrapLevel(step, 0);
7045       break;
7046
7047     case GADGET_ID_WRAP_UP:
7048       WrapLevel(0, -step);
7049       break;
7050
7051     case GADGET_ID_WRAP_DOWN:
7052       WrapLevel(0, step);
7053       break;
7054
7055     case GADGET_ID_SINGLE_ITEMS:
7056     case GADGET_ID_CONNECTED_ITEMS:
7057     case GADGET_ID_LINE:
7058     case GADGET_ID_ARC:
7059     case GADGET_ID_TEXT:
7060     case GADGET_ID_RECTANGLE:
7061     case GADGET_ID_FILLED_BOX:
7062     case GADGET_ID_FLOOD_FILL:
7063     case GADGET_ID_GRAB_BRUSH:
7064     case GADGET_ID_PICK_ELEMENT:
7065       if (drawing_function != GADGET_ID_PICK_ELEMENT)
7066         last_drawing_function = drawing_function;
7067       drawing_function = id;
7068       draw_with_brush = FALSE;
7069       break;
7070
7071     case GADGET_ID_RANDOM_PLACEMENT:
7072       RandomPlacement(new_element);
7073       break;
7074
7075     case GADGET_ID_PROPERTIES:
7076       if (edit_mode != ED_MODE_PROPERTIES)
7077       {
7078         properties_element = new_element;
7079         DrawPropertiesWindow();
7080         edit_mode = ED_MODE_PROPERTIES;
7081       }
7082       else
7083       {
7084         DrawDrawingWindow();
7085         edit_mode = ED_MODE_DRAWING;
7086       }
7087       break;
7088
7089     case GADGET_ID_UNDO:
7090       if (undo_buffer_steps == 0)
7091       {
7092         Request("Undo buffer empty !", REQ_CONFIRM);
7093         break;
7094       }
7095
7096       if (edit_mode != ED_MODE_DRAWING)
7097       {
7098         DrawDrawingWindow();
7099         edit_mode = ED_MODE_DRAWING;
7100       }
7101
7102       undo_buffer_position =
7103         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
7104       undo_buffer_steps--;
7105
7106       for(x=0; x<lev_fieldx; x++)
7107         for(y=0; y<lev_fieldy; y++)
7108           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
7109       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
7110       break;
7111
7112     case GADGET_ID_INFO:
7113       if (edit_mode != ED_MODE_INFO)
7114       {
7115         DrawLevelInfoWindow();
7116         edit_mode = ED_MODE_INFO;
7117       }
7118       else
7119       {
7120         DrawDrawingWindow();
7121         edit_mode = ED_MODE_DRAWING;
7122       }
7123       break;
7124
7125     case GADGET_ID_CLEAR:
7126       if (edit_mode != ED_MODE_DRAWING)
7127       {
7128         DrawDrawingWindow();
7129         edit_mode = ED_MODE_DRAWING;
7130       }
7131
7132       for(x=0; x<MAX_LEV_FIELDX; x++)
7133         for(y=0; y<MAX_LEV_FIELDY; y++)
7134           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
7135       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
7136
7137       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7138       break;
7139
7140     case GADGET_ID_SAVE:
7141       if (leveldir_current->readonly)
7142       {
7143         Request("This level is read only !", REQ_CONFIRM);
7144         break;
7145       }
7146
7147       if (!LevelContainsPlayer)
7148         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
7149       else
7150       {
7151         boolean new_level = (!LevelFileExists(level_nr));
7152
7153         if (new_level ||
7154             Request("Save this level and kill the old ?", REQ_ASK))
7155         {
7156           CopyPlayfield(Feld, level.field);
7157
7158           SaveLevel(level_nr);
7159         }
7160
7161         if (new_level)
7162           Request("Level saved !", REQ_CONFIRM);
7163       }
7164       break;
7165
7166     case GADGET_ID_TEST:
7167       if (!LevelContainsPlayer)
7168         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
7169       else
7170       {
7171         if (LevelChanged())
7172           level.game_version = GAME_VERSION_ACTUAL;
7173
7174         CopyPlayfield(level.field, FieldBackup);
7175         CopyPlayfield(Feld, level.field);
7176
7177         UnmapLevelEditorGadgets();
7178         UndrawSpecialEditorDoor();
7179
7180         CloseDoor(DOOR_CLOSE_ALL);
7181
7182         DrawCompleteVideoDisplay();
7183
7184         if (setup.autorecord)
7185           TapeStartRecording();
7186
7187         level_editor_test_game = TRUE;
7188         game_status = GAME_MODE_PLAYING;
7189
7190         InitGame();
7191       }
7192       break;
7193
7194     case GADGET_ID_EXIT:
7195       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
7196       break;
7197
7198     default:
7199       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
7200           id <= GADGET_ID_ELEMENTLIST_LAST)
7201       {
7202         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
7203         int new_element = editor_elements[element_position + element_shift];
7204
7205         PickDrawingElement(button, new_element);
7206
7207         if (!stick_element_properties_window &&
7208             drawing_function != GADGET_ID_PICK_ELEMENT &&
7209             !(GetKeyModState() & KMOD_Control))
7210         {
7211           properties_element = new_element;
7212           if (edit_mode == ED_MODE_PROPERTIES)
7213             DrawPropertiesWindow();
7214         }
7215
7216         if (drawing_function == GADGET_ID_PICK_ELEMENT)
7217           ClickOnGadget(level_editor_gadget[last_drawing_function],
7218                         MB_LEFTBUTTON);
7219       }
7220 #ifdef DEBUG
7221       else if (gi->event.type == GD_EVENT_PRESSED)
7222         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
7223       else if (gi->event.type == GD_EVENT_RELEASED)
7224         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
7225       else if (gi->event.type == GD_EVENT_MOVING)
7226         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
7227       else
7228         printf("default: HandleControlButtons: ? (id == %d)\n", id);
7229 #endif
7230       break;
7231   }
7232 }
7233
7234 void HandleLevelEditorKeyInput(Key key)
7235 {
7236   char letter = getCharFromKey(key);
7237   int button = MB_LEFTBUTTON;
7238
7239   if (drawing_function == GADGET_ID_TEXT &&
7240       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
7241   {
7242     if (letter)
7243       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
7244     else if (key == KSYM_Delete || key == KSYM_BackSpace)
7245       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
7246     else if (key == KSYM_Return)
7247       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
7248     else if (key == KSYM_Escape)
7249       DrawLevelText(0, 0, 0, TEXT_END);
7250   }
7251   else if (button_status == MB_RELEASED)
7252   {
7253     int i, id = GADGET_ID_NONE;
7254
7255     switch (key)
7256     {
7257       case KSYM_Left:
7258         id = GADGET_ID_SCROLL_LEFT;
7259         break;
7260       case KSYM_Right:
7261         id = GADGET_ID_SCROLL_RIGHT;
7262         break;
7263       case KSYM_Up:
7264         id = GADGET_ID_SCROLL_UP;
7265         break;
7266       case KSYM_Down:
7267         id = GADGET_ID_SCROLL_DOWN;
7268         break;
7269       case KSYM_Page_Up:
7270         id = GADGET_ID_SCROLL_LIST_UP;
7271         button = MB_RIGHTBUTTON;
7272         break;
7273       case KSYM_Page_Down:
7274         id = GADGET_ID_SCROLL_LIST_DOWN;
7275         button = MB_RIGHTBUTTON;
7276         break;
7277
7278       case KSYM_Escape:
7279         if (edit_mode == ED_MODE_DRAWING)
7280         {
7281           RequestExitLevelEditor(setup.ask_on_escape);
7282         }
7283         else
7284         {
7285           DrawDrawingWindow();
7286           edit_mode = ED_MODE_DRAWING;
7287         }
7288         break;
7289
7290       default:
7291         break;
7292     }
7293
7294     if (id != GADGET_ID_NONE)
7295       ClickOnGadget(level_editor_gadget[id], button);
7296     else if (letter == '.')
7297       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
7298     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
7299       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
7300     else
7301       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
7302         if (letter && letter == control_info[i].shortcut)
7303           if (!anyTextGadgetActive())
7304             ClickOnGadget(level_editor_gadget[i], button);
7305   }
7306 }
7307
7308 void HandleLevelEditorIdle()
7309 {
7310   static unsigned long action_delay = 0;
7311   unsigned long action_delay_value = GameFrameDelay;
7312   int xpos = 1, ypos = 2;
7313
7314   if (edit_mode != ED_MODE_PROPERTIES)
7315     return;
7316
7317   if (!DelayReached(&action_delay, action_delay_value))
7318     return;
7319
7320   DrawGraphicAnimationExt(drawto,
7321                           SX + xpos * TILEX,
7322                           SY + ypos * TILEY + MINI_TILEY / 2,
7323                           el2img(properties_element), -1, NO_MASKING);
7324
7325   MarkTileDirty(xpos, ypos);
7326   MarkTileDirty(xpos, ypos + 1);
7327
7328   FrameCounter++;       /* increase animation frame counter */
7329 }
7330
7331 void ClearEditorGadgetInfoText()
7332 {
7333   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
7334 }
7335
7336 void HandleEditorGadgetInfoText(void *ptr)
7337 {
7338   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
7339   char infotext[MAX_OUTPUT_LINESIZE + 1];
7340   char shortcut[MAX_OUTPUT_LINESIZE + 1];
7341   int max_infotext_len = getMaxInfoTextLength();
7342
7343   if (game_status != GAME_MODE_EDITOR)
7344     return;
7345
7346   ClearEditorGadgetInfoText();
7347
7348   if (gi->event.type == GD_EVENT_INFO_LEAVING)
7349     return;
7350
7351   /* misuse this function to delete brush cursor, if needed */
7352   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
7353     DeleteBrushFromCursor();
7354
7355   if (gi == NULL || gi->info_text == NULL)
7356     return;
7357
7358   strncpy(infotext, gi->info_text, max_infotext_len);
7359   infotext[max_infotext_len] = '\0';
7360
7361   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
7362   {
7363     int key = control_info[gi->custom_id].shortcut;
7364
7365     if (key)
7366     {
7367       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
7368         sprintf(shortcut, " ('.' or '%c')", key);
7369       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
7370         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
7371       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
7372         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
7373       else                                              /* normal case */
7374         sprintf(shortcut, " ('%s%c')",
7375                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
7376
7377       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
7378         strcat(infotext, shortcut);
7379     }
7380   }
7381
7382   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
7383 }
7384
7385 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
7386 {
7387   static int start_lx, start_ly;
7388   char *infotext;
7389   int id = gi->custom_id;
7390   int sx = gi->event.x;
7391   int sy = gi->event.y;
7392   int lx = sx + level_xpos;
7393   int ly = sy + level_ypos;
7394   int min_sx = 0, min_sy = 0;
7395   int max_sx = gi->drawing.area_xsize - 1;
7396   int max_sy = gi->drawing.area_ysize - 1;
7397   int actual_drawing_function = drawing_function;
7398
7399   /* pressed Control key: simulate picking element */
7400   if (GetKeyModState() & KMOD_Control)
7401     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
7402
7403   ClearEditorGadgetInfoText();
7404
7405   if (gi->event.type == GD_EVENT_INFO_LEAVING)
7406     return;
7407
7408   /* make sure to stay inside drawing area boundaries */
7409   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
7410   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
7411
7412   if (id == GADGET_ID_DRAWING_LEVEL)
7413   {
7414     if (button_status)
7415     {
7416       int min_lx = 0, min_ly = 0;
7417       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
7418
7419       /* get positions inside level field */
7420       lx = sx + level_xpos;
7421       ly = sy + level_ypos;
7422
7423       /* make sure to stay inside level field boundaries */
7424       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
7425       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
7426
7427       /* correct drawing area positions accordingly */
7428       sx = lx - level_xpos;
7429       sy = ly - level_ypos;
7430     }
7431
7432     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
7433     {
7434       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
7435       {
7436         if (gi->event.type == GD_EVENT_PRESSED)
7437         {
7438           start_lx = lx;
7439           start_ly = ly;
7440         }
7441
7442         switch (actual_drawing_function)
7443         {
7444           case GADGET_ID_SINGLE_ITEMS:
7445             infotext = "Drawing single items";
7446             break;
7447           case GADGET_ID_CONNECTED_ITEMS:
7448             infotext = "Drawing connected items";
7449             break;
7450           case GADGET_ID_LINE:
7451             infotext = "Drawing line";
7452             break;
7453           case GADGET_ID_ARC:
7454             infotext = "Drawing arc";
7455             break;
7456           case GADGET_ID_TEXT:
7457             infotext = "Setting text cursor";
7458             break;
7459           case GADGET_ID_RECTANGLE:
7460             infotext = "Drawing rectangle";
7461             break;
7462           case GADGET_ID_FILLED_BOX:
7463             infotext = "Drawing filled box";
7464             break;
7465           case GADGET_ID_FLOOD_FILL:
7466             infotext = "Flood fill";
7467             break;
7468           case GADGET_ID_GRAB_BRUSH:
7469             infotext = "Grabbing brush";
7470             break;
7471           case GADGET_ID_PICK_ELEMENT:
7472             infotext = "Picking element";
7473             break;
7474
7475           default:
7476             infotext = "Drawing position";
7477             break;
7478         }
7479
7480         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
7481           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7482                     "%s: %d, %d", infotext, lx, ly);
7483         else
7484           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7485                     "%s: %d, %d", infotext,
7486                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
7487       }
7488       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
7489         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7490                   "%s", getElementInfoText(Feld[lx][ly]));
7491       else
7492         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7493                   "Level position: %d, %d", lx, ly);
7494     }
7495
7496     /* misuse this function to draw brush cursor, if needed */
7497     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
7498     {
7499       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
7500         CopyBrushToCursor(sx, sy);
7501       else
7502         DeleteBrushFromCursor();
7503     }
7504   }
7505   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
7506   {
7507     if (id == GADGET_ID_AMOEBA_CONTENT)
7508       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7509                 getElementInfoText(level.amoeba_content));
7510     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
7511       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7512                 getElementInfoText(custom_element.gfx_element));
7513     else if (id == GADGET_ID_CUSTOM_CONTENT)
7514       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7515                 getElementInfoText(custom_element.content[sx][sy]));
7516     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
7517       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7518                 getElementInfoText(custom_element_change.target_element));
7519     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
7520       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7521                 getElementInfoText(custom_element_change.content[sx][sy]));
7522     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
7523       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7524                 getElementInfoText(custom_element_change.trigger_element));
7525     else if (id == GADGET_ID_RANDOM_BACKGROUND)
7526       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7527                 getElementInfoText(random_placement_background_element));
7528     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
7529              id <= GADGET_ID_ELEMENT_CONTENT_7)
7530     {
7531       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
7532
7533       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
7534                 getElementInfoText(level.yamyam_content[i][sx][sy]));
7535     }
7536   }
7537   else
7538   {
7539     if (id == GADGET_ID_AMOEBA_CONTENT)
7540       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7541                 "Amoeba content");
7542     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
7543       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7544                 "Custom graphic element");
7545     else if (id == GADGET_ID_CUSTOM_CONTENT)
7546       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7547                 "Custom element content position: %d, %d", sx, sy);
7548     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
7549       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7550                 "New element after change");
7551     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
7552       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7553                 "New extended elements after change");
7554     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
7555       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7556                 "Other element triggering change");
7557     else if (id == GADGET_ID_RANDOM_BACKGROUND)
7558       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7559                 "Random placement background");
7560     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
7561              id <= GADGET_ID_ELEMENT_CONTENT_7)
7562       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
7563                 "Content area %d position: %d, %d",
7564                 id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
7565   }
7566 }
7567
7568 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
7569 {
7570   if (!ask_if_level_has_changed ||
7571       !LevelChanged() ||
7572       Request("Level has changed! Exit without saving ?",
7573               REQ_ASK | REQ_STAY_OPEN))
7574   {
7575 #if 1
7576     CloseDoor(DOOR_CLOSE_1);
7577     SetDoorState(DOOR_CLOSE_2);
7578 #else
7579     CloseDoor(DOOR_CLOSE_ALL);
7580 #endif
7581     game_status = GAME_MODE_MAIN;
7582     DrawMainMenu();
7583   }
7584   else
7585   {
7586     CloseDoor(DOOR_CLOSE_1);
7587     BlitBitmap(bitmap_db_door, bitmap_db_door,
7588                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
7589                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
7590     OpenDoor(DOOR_OPEN_1);
7591   }
7592 }