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 "tape.h"
  24
  25
  26 /*
  27   -----------------------------------------------------------------------------
  28   screen and artwork graphic pixel position definitions
  29   -----------------------------------------------------------------------------
  30 */
  31
  32 /* positions in the level editor */
  33 #define ED_WIN_MB_LEFT_XPOS             6
  34 #define ED_WIN_MB_LEFT_YPOS             258
  35 #define ED_WIN_MB_MIDDLE_XPOS           42
  36 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  37 #define ED_WIN_MB_RIGHT_XPOS            78
  38 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  39
  40 /* values for the control window */
  41 #define ED_CTRL_BUTTONS_GFX_YPOS        236
  42 #define ED_CTRL_BUTTONS_ALT_GFX_YPOS    142
  43
  44 #define ED_CTRL1_BUTTONS_HORIZ          4
  45 #define ED_CTRL1_BUTTONS_VERT           4
  46 #define ED_CTRL1_BUTTON_XSIZE           22
  47 #define ED_CTRL1_BUTTON_YSIZE           22
  48 #define ED_CTRL1_BUTTONS_XPOS           6
  49 #define ED_CTRL1_BUTTONS_YPOS           6
  50 #define ED_CTRL2_BUTTONS_HORIZ          3
  51 #define ED_CTRL2_BUTTONS_VERT           2
  52 #define ED_CTRL2_BUTTON_XSIZE           30
  53 #define ED_CTRL2_BUTTON_YSIZE           20
  54 #define ED_CTRL2_BUTTONS_XPOS           5
  55 #define ED_CTRL2_BUTTONS_YPOS           99
  56 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  57 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  58 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
  59
  60 /* values for the element list */
  61 #define ED_ELEMENTLIST_XPOS             5
  62 #define ED_ELEMENTLIST_YPOS             30
  63 #define ED_ELEMENTLIST_XSIZE            20
  64 #define ED_ELEMENTLIST_YSIZE            20
  65 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  66 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  67 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  68                                          ED_ELEMENTLIST_BUTTONS_VERT)
  69
  70 /* values for the setting windows */
  71 #define ED_SETTINGS_XSTART              (3 * MINI_TILEX / 2)
  72 #define ED_SETTINGS_YSTART              (MINI_TILEY * 10)
  73
  74 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE + \
  75                                          2 * ED_GADGET_DISTANCE)
  76 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
  77
  78 #define ED_SETTINGS_XPOS(n)             (ED_SETTINGS_XSTART + \
  79                                          n * ED_SETTINGS_XOFFSET)
  80 #define ED_SETTINGS_YPOS(n)             (ED_SETTINGS_YSTART + \
  81                                          n * ED_SETTINGS_YOFFSET)
  82
  83 #define ED_SETTINGS1_YPOS               MINI_TILEY
  84 #define ED_SETTINGS2_XPOS               MINI_TILEX
  85 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
  86
  87 /* values for counter gadgets */
  88 #define ED_COUNT_ELEMENT_SCORE_XPOS     ED_SETTINGS_XPOS(0)
  89 #define ED_COUNT_ELEMENT_SCORE_YPOS     ED_SETTINGS_YPOS(0)
  90 #define ED_COUNT_ELEMENT_CONTENT_XPOS   ED_SETTINGS_XPOS(0)
  91 #define ED_COUNT_ELEMENT_CONTENT_YPOS   ED_SETTINGS_YPOS(6)
  92
  93 #define ED_COUNT_CHANGE_DELAY_XPOS      (ED_SETTINGS_XPOS(1) + 9 * MINI_TILEX)
  94
  95 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
  96 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
  97 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
  98                                          n * ED_COUNTER_YDISTANCE)
  99 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 100                                          n * ED_COUNTER_YDISTANCE - 2)
 101
 102 /* standard distances */
 103 #define ED_BORDER_SIZE                  3
 104 #define ED_BORDER2_SIZE                 5
 105 #define ED_GADGET_DISTANCE              2
 106
 107 /* values for element content drawing areas */
 108 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 109 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 110
 111 #define ED_AREA_ELEM_CONTENT2_XPOS      (20 * MINI_TILEX)
 112 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(1) + \
 113                                          ED_GADGET_DISTANCE)
 114
 115 #define ED_AREA_ELEM_CONTENT3_XPOS      (24 * MINI_TILEX)
 116 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(2) + \
 117                                          ED_GADGET_DISTANCE)
 118
 119 /* values for random placement background drawing area */
 120 #define ED_AREA_RANDOM_BACKGROUND_XPOS  (29 * MINI_TILEX)
 121 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 122
 123 /* values for scrolling gadgets for drawing area */
 124 #define ED_SCROLLBUTTON_XPOS            24
 125 #define ED_SCROLLBUTTON_YPOS            0
 126 #define ED_SCROLLBAR_XPOS               24
 127 #define ED_SCROLLBAR_YPOS               64
 128
 129 #define ED_SCROLLBUTTON_XSIZE           16
 130 #define ED_SCROLLBUTTON_YSIZE           16
 131
 132 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 133 #define ED_SCROLL_UP_YPOS               (0)
 134 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 135 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 136 #define ED_SCROLL_LEFT_XPOS             (0)
 137 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 138 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 139 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 140 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 141 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 142 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 143 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 144 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 145 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 146 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 147 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 148
 149 /* values for scrolling gadgets for element list */
 150 #define ED_SCROLLBUTTON2_XPOS           50
 151 #define ED_SCROLLBUTTON2_YPOS           0
 152 #define ED_SCROLLBAR2_XPOS              50
 153 #define ED_SCROLLBAR2_YPOS              20
 154
 155 #define ED_SCROLLBUTTON2_XSIZE          10
 156 #define ED_SCROLLBUTTON2_YSIZE          10
 157
 158 #define ED_SCROLL2_UP_XPOS              85
 159 #define ED_SCROLL2_UP_YPOS              30
 160 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 161 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 162                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 163                                          ED_ELEMENTLIST_YSIZE - \
 164                                          ED_SCROLLBUTTON2_YSIZE)
 165 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 166 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 167                                          ED_SCROLLBUTTON2_YSIZE)
 168 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 169 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 170                                          ED_ELEMENTLIST_YSIZE - \
 171                                          2 * ED_SCROLLBUTTON2_YSIZE)
 172
 173 /* values for checkbutton gadgets */
 174 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 175 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 176 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 177 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 178 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 179 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 180 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 181
 182 /* some positions in the editor control window */
 183 #define ED_BUTTON_ELEM_XPOS             6
 184 #define ED_BUTTON_ELEM_YPOS             30
 185 #define ED_BUTTON_ELEM_XSIZE            22
 186 #define ED_BUTTON_ELEM_YSIZE            22
 187
 188 /* some values for text input, selectbox and counter gadgets */
 189 #define ED_BUTTON_COUNT_YPOS            60
 190 #define ED_BUTTON_COUNT_XSIZE           20
 191 #define ED_BUTTON_COUNT_YSIZE           20
 192 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 193 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 194 #define ED_WIN_COUNT_XSIZE              52
 195 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 196 #define ED_WIN_COUNT2_XPOS              27
 197 #define ED_WIN_COUNT2_YPOS              3
 198 #define ED_WIN_COUNT2_XSIZE             46
 199 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 200
 201 #define ED_BUTTON_MINUS_XPOS            2
 202 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 203 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 204 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 205 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 206                                          ED_WIN_COUNT_XSIZE + 2)
 207 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 208 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 209 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 210
 211 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 212 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 213                                          2 + ED_WIN_COUNT_YSIZE)
 214 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 215 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 216
 217 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 218 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 219                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 220 #define ED_TEXTBUTTON_INACTIVE_YPOS     (ED_WIN_COUNT_YPOS + \
 221                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 222 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 223 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 224
 225 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 226 #define INFOTEXT_XPOS                   SX
 227 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 228 #define INFOTEXT_XSIZE                  SXSIZE
 229 #define INFOTEXT_YSIZE                  MINI_TILEX
 230
 231
 232 /*
 233   -----------------------------------------------------------------------------
 234   editor gadget definitions
 235   -----------------------------------------------------------------------------
 236 */
 237
 238 /* drawing toolbox buttons */
 239 #define GADGET_ID_NONE                  -1
 240 #define GADGET_ID_TOOLBOX_FIRST         0
 241
 242 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 243 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 244 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 245 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 246 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 247 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 248 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 249 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 250 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 251 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 252 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 253 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 254 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 255 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 256 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 257 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 258 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 259 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 260 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 261 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 262 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 263 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 264
 265 /* counter button identifiers */
 266 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 267
 268 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 269 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 270 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 271 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 272 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 273 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 274 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 275 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 276 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 277 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 278 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 279 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 280 #define GADGET_ID_LEVEL_COLLECT_DOWN    (GADGET_ID_COUNTER_FIRST + 12)
 281 #define GADGET_ID_LEVEL_COLLECT_TEXT    (GADGET_ID_COUNTER_FIRST + 13)
 282 #define GADGET_ID_LEVEL_COLLECT_UP      (GADGET_ID_COUNTER_FIRST + 14)
 283 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 284 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 285 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 286 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 287 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 288 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 289 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 290 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 291 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 292 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 293 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 294 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 295 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 27)
 296 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 28)
 297 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 29)
 298 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 30)
 299 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 31)
 300 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 32)
 301
 302 /* drawing area identifiers */
 303 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 33)
 304
 305 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 306 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 307 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 308 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 309 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 310 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 311 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 312 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 313 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 314 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 315 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 316 #define GADGET_ID_CUSTOM_CHANGED        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 317 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 12)
 318
 319 /* text input identifiers */
 320 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 13)
 321
 322 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 323 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 324
 325 /* selectbox identifiers */
 326 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 2)
 327
 328 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 0)
 329 #define GADGET_ID_CUSTOM_WALKABLE_LAYER (GADGET_ID_SELECTBOX_FIRST + 1)
 330 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 2)
 331 #define GADGET_ID_CHANGE_CAUSE          (GADGET_ID_SELECTBOX_FIRST + 3)
 332
 333 /* textbutton identifiers */
 334 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 4)
 335
 336 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 337 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 338 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 339
 340 /* gadgets for scrolling of drawing area */
 341 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_TEXTBUTTON_FIRST + 3)
 342
 343 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 344 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 345 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 346 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 347 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 348 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 349
 350 /* gadgets for scrolling element list */
 351 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 352
 353 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 354 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 355 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 356
 357 /* buttons for level/element properties */
 358 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 359
 360 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 361 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 362 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 363 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 364 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 365 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 366 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 367 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 7)
 368 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 8)
 369 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 9)
 370 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 10)
 371 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 11)
 372 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 12)
 373 #define GADGET_ID_CUSTOM_WALKABLE       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 374 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 14)
 375 #define GADGET_ID_CUSTOM_CHANGEABLE     (GADGET_ID_CHECKBUTTON_FIRST + 15)
 376 #define GADGET_ID_CHANGE_DELAY_FIXED    (GADGET_ID_CHECKBUTTON_FIRST + 16)
 377 #define GADGET_ID_CHANGE_DELAY_RANDOM   (GADGET_ID_CHECKBUTTON_FIRST + 17)
 378
 379 /* gadgets for buttons in element list */
 380 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 18)
 381 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 382                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 383
 384 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 385
 386 /* radio button numbers */
 387 #define RADIO_NR_NONE                   0
 388 #define RADIO_NR_DRAWING_TOOLBOX        1
 389 #define RADIO_NR_RANDOM_ELEMENTS        2
 390
 391 /* values for counter gadgets */
 392 #define ED_COUNTER_ID_SELECT_LEVEL      0
 393 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 394 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 395 #define ED_COUNTER_ID_LEVEL_COLLECT     3
 396 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 397 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 398 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 399 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 400 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 401 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  9
 402 #define ED_COUNTER_ID_CHANGE_DELAY_RND  10
 403
 404 #define ED_NUM_COUNTERBUTTONS           11
 405
 406 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 407 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 408
 409 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 410 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_DELAY_RND
 411
 412 /* values for scrollbutton gadgets */
 413 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 414 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 415 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 416 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 417 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 418 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 419
 420 #define ED_NUM_SCROLLBUTTONS            6
 421
 422 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 423 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 424
 425 /* values for scrollbar gadgets */
 426 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 427 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 428 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 429
 430 #define ED_NUM_SCROLLBARS               3
 431
 432 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 433 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 434
 435 /* values for text input gadgets */
 436 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 437 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 438
 439 #define ED_NUM_TEXTINPUT                2
 440
 441 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 442 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 443
 444 /* values for selectbox gadgets */
 445 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_OBJECT   0
 446 #define ED_SELECTBOX_ID_CUSTOM_WALKABLE_LAYER   1
 447 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       2
 448 #define ED_SELECTBOX_ID_CHANGE_CAUSE            3
 449
 450 #define ED_NUM_SELECTBOX                        4
 451
 452 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_OBJECT
 453 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_WALKABLE_LAYER
 454
 455 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 456 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_CHANGE_CAUSE
 457
 458 /* values for textbutton gadgets */
 459 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 460 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 461 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 462
 463 #define ED_NUM_TEXTBUTTON                       3
 464
 465 /* values for checkbutton gadgets */
 466 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 467 #define ED_CHECKBUTTON_ID_GRAVITY               1
 468 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 469 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 470 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 471 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 5
 472 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 6
 473 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       7
 474 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      8
 475 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       9
 476 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       10
 477 #define ED_CHECKBUTTON_ID_CUSTOM_WALKABLE       11
 478 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    12
 479 #define ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE     13
 480 #define ED_CHECKBUTTON_ID_CHANGE_DELAY_FIXED    14
 481 #define ED_CHECKBUTTON_ID_CHANGE_DELAY_RANDOM   15
 482
 483 #define ED_NUM_CHECKBUTTONS                     16
 484
 485 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 486 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 487
 488 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 489 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 490
 491 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE
 492 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_DELAY_RANDOM
 493
 494 /* values for radiobutton gadgets */
 495 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 496 #define ED_RADIOBUTTON_ID_QUANTITY      1
 497
 498 #define ED_NUM_RADIOBUTTONS             2
 499
 500 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 501 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 502
 503
 504 /*
 505   -----------------------------------------------------------------------------
 506   some internally used definitions
 507   -----------------------------------------------------------------------------
 508 */
 509
 510 /* values for CopyLevelToUndoBuffer() */
 511 #define UNDO_IMMEDIATE                  0
 512 #define UNDO_ACCUMULATE                 1
 513
 514 /* values for scrollbars */
 515 #define ED_SCROLL_NO                    0
 516 #define ED_SCROLL_LEFT                  1
 517 #define ED_SCROLL_RIGHT                 2
 518 #define ED_SCROLL_UP                    4
 519 #define ED_SCROLL_DOWN                  8
 520
 521 /* screens in the level editor */
 522 #define ED_MODE_DRAWING                 0
 523 #define ED_MODE_INFO                    1
 524 #define ED_MODE_PROPERTIES              2
 525
 526 /* sub-screens in the element properties section */
 527 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 528 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 529 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 530
 531 /* how many steps can be cancelled */
 532 #define NUM_UNDO_STEPS                  (10 + 1)
 533
 534 /* values for elements with score */
 535 #define MIN_SCORE                       0
 536 #define MAX_SCORE                       255
 537
 538 /* values for random placement */
 539 #define RANDOM_USE_PERCENTAGE           0
 540 #define RANDOM_USE_QUANTITY             1
 541
 542 /* maximal size of level editor drawing area */
 543 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 544 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 545
 546
 547 /*
 548   -----------------------------------------------------------------------------
 549   some internally used data structure definitions
 550   -----------------------------------------------------------------------------
 551 */
 552
 553 static struct
 554 {
 555   char shortcut;
 556   char *text;
 557 } control_info[ED_NUM_CTRL_BUTTONS] =
 558 {
 559   { 's',        "draw single items"             },
 560   { 'd',        "draw connected items"          },
 561   { 'l',        "draw lines"                    },
 562   { 'a',        "draw arcs"                     },
 563   { 'r',        "draw outline rectangles"       },
 564   { 'R',        "draw filled rectangles"        },
 565   { '\0',       "wrap (rotate) level up"        },
 566   { 't',        "enter text elements"           },
 567   { 'f',        "flood fill"                    },
 568   { '\0',       "wrap (rotate) level left"      },
 569   { '?',        "properties of drawing element" },
 570   { '\0',       "wrap (rotate) level right"     },
 571   { '\0',       "random element placement"      },
 572   { 'b',        "grab brush"                    },
 573   { '\0',       "wrap (rotate) level down"      },
 574   { ',',        "pick drawing element"          },
 575   { 'U',        "undo last operation"           },
 576   { 'I',        "level properties"              },
 577   { 'S',        "save level"                    },
 578   { 'C',        "clear level"                   },
 579   { 'T',        "test level"                    },
 580   { 'E',        "exit level editor"             }
 581 };
 582
 583 static int random_placement_value = 10;
 584 static int random_placement_method = RANDOM_USE_QUANTITY;
 585 static int random_placement_background_element = EL_SAND;
 586 static boolean random_placement_background_restricted = FALSE;
 587 static boolean stick_element_properties_window = FALSE;
 588 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 589 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 590 static struct CustomElementInfo custom_element;
 591
 592 static struct
 593 {
 594   int x, y;
 595   int min_value, max_value;
 596   int gadget_id_down, gadget_id_up;
 597   int gadget_id_text;
 598   int *value;
 599   char *infotext_above, *infotext_right;
 600 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 601 {
 602   {
 603     DX + 5 - SX,                        DY + 3 - SY,
 604     1,                                  100,
 605     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 606     GADGET_ID_SELECT_LEVEL_TEXT,
 607     &level_nr,
 608     NULL,                               NULL
 609   },
 610   {
 611     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 612     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 613     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 614     GADGET_ID_LEVEL_XSIZE_TEXT,
 615     &level.fieldx,
 616     "playfield size",                   "width",
 617   },
 618   {
 619     ED_SETTINGS_XPOS(0) + 2 * DXSIZE,   ED_COUNTER_YPOS(2),
 620     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 621     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 622     GADGET_ID_LEVEL_YSIZE_TEXT,
 623     &level.fieldy,
 624     NULL,                               "height",
 625   },
 626   {
 627     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 628     0,                                  999,
 629     GADGET_ID_LEVEL_COLLECT_DOWN,       GADGET_ID_LEVEL_COLLECT_UP,
 630     GADGET_ID_LEVEL_COLLECT_TEXT,
 631     &level.gems_needed,
 632     "number of emeralds to collect",    NULL
 633   },
 634   {
 635     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 636     0,                                  999,
 637     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 638     GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 639     &level.time,
 640     "time available to solve level",    "(0 => no time limit)"
 641   },
 642   {
 643     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 644     0,                                  255,
 645     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 646     GADGET_ID_LEVEL_TIMESCORE_TEXT,
 647     &level.score[SC_TIME_BONUS],
 648     "score for each 10 seconds left",   NULL
 649   },
 650   {
 651     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 652     1,                                  100,
 653     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 654     GADGET_ID_LEVEL_RANDOM_TEXT,
 655     &random_placement_value,
 656     "random element placement",         "in"
 657   },
 658   {
 659     ED_COUNT_ELEMENT_SCORE_XPOS,        ED_COUNT_ELEMENT_SCORE_YPOS,
 660     MIN_SCORE,                          MAX_SCORE,
 661     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 662     GADGET_ID_ELEMENT_SCORE_TEXT,
 663     NULL,                               /* will be set when used */
 664     "element score",                    NULL
 665   },
 666   {
 667     ED_COUNT_ELEMENT_CONTENT_XPOS,      ED_COUNT_ELEMENT_CONTENT_YPOS,
 668     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 669     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 670     GADGET_ID_ELEMENT_CONTENT_TEXT,
 671     &level.num_yam_contents,
 672     "element content",                  NULL
 673   },
 674   {
 675     ED_COUNT_CHANGE_DELAY_XPOS,         ED_SETTINGS_YPOS(2),
 676     0,                                  999,
 677     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 678     GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 679     &custom_element.change.delay_fixed,
 680     NULL,                               "units (fixed)"
 681   },
 682   {
 683     ED_COUNT_CHANGE_DELAY_XPOS,         ED_SETTINGS_YPOS(3),
 684     0,                                  999,
 685     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 686     GADGET_ID_CHANGE_DELAY_RND_TEXT,
 687     &custom_element.change.delay_random,
 688     NULL,                               "units (random)"
 689   }
 690 };
 691
 692 static struct
 693 {
 694   int x, y;
 695   int gadget_id;
 696   int size;
 697   char *value;
 698   char *infotext;
 699 } textinput_info[ED_NUM_TEXTINPUT] =
 700 {
 701   {
 702     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
 703     GADGET_ID_LEVEL_NAME,
 704     MAX_LEVEL_NAME_LEN,
 705     level.name,
 706     "Title"
 707   },
 708   {
 709     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 710     GADGET_ID_LEVEL_AUTHOR,
 711     MAX_LEVEL_AUTHOR_LEN,
 712     level.author,
 713     "Author"
 714   }
 715 };
 716
 717 static struct ValueTextInfo options_walk_to_action[] =
 718 {
 719   { EP_DIGGABLE,        "diggable"              },
 720   { EP_COLLECTIBLE,     "collectible"           },
 721   { EP_PUSHABLE,        "pushable"              },
 722   { -1,                 NULL                    }
 723 };
 724 static int index_walk_to_action = 0;
 725
 726 static struct ValueTextInfo options_walkable_layer[] =
 727 {
 728   { EP_WALKABLE_OVER,   "over"                  },
 729   { EP_WALKABLE_INSIDE, "inside"                },
 730   { EP_WALKABLE_UNDER,  "under"                 },
 731   { -1,                 NULL                    }
 732 };
 733 static int index_walkable_layer = 0;
 734
 735 static struct ValueTextInfo options_time_units[] =
 736 {
 737   { 50,                 "seconds"               },
 738   { 1,                  "frames"                },
 739   { -1,                 NULL                    }
 740 };
 741 static int index_time_units = 0;
 742
 743 static struct ValueTextInfo options_change_cause[] =
 744 {
 745   { 1,                  "specified delay"       },
 746   { 2,                  "impact (active)"       },
 747   { 3,                  "impact (passive)"      },
 748   { 4,                  "touched by player"     },
 749   { 5,                  "pressed by player"     },
 750   { -1,                 NULL                    }
 751 };
 752 static int index_change_cause = 0, value_change_cause = 0;
 753
 754 static struct
 755 {
 756   int x, y;
 757   int gadget_id;
 758   int size;     /* size of selectbox (chars) or '0' (dynamically determined) */
 759   struct ValueTextInfo *options;
 760   int *index, *value;
 761   char *text, *infotext;
 762 } selectbox_info[ED_NUM_SELECTBOX] =
 763 {
 764   {
 765     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 766     GADGET_ID_CUSTOM_WALK_TO_ACTION,
 767     0,
 768     options_walk_to_action, &index_walk_to_action,
 769     &custom_element.walk_to_action,
 770     NULL, "diggable, collectible or pushable"
 771   },
 772   {
 773     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
 774     GADGET_ID_CUSTOM_WALKABLE_LAYER,
 775     0,
 776     options_walkable_layer, &index_walkable_layer,
 777     &custom_element.walkable_layer,
 778     "player can walk", "layer where player can walk"
 779   },
 780   {
 781     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
 782     GADGET_ID_CHANGE_TIME_UNITS,
 783     0,
 784     options_time_units, &index_time_units,
 785     &custom_element.change.delay_frames,
 786     "delay units given in", "time units for change"
 787   },
 788   {
 789     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(8),
 790     GADGET_ID_CHANGE_CAUSE,
 791     0,
 792     options_change_cause, &index_change_cause,
 793     &value_change_cause,
 794     "test:", "test-selectbox entry"
 795   },
 796 };
 797
 798 static struct
 799 {
 800   int x, y;
 801   int gadget_id;
 802   int size;
 803   char *value;
 804   char *infotext;
 805 } textbutton_info[ED_NUM_TEXTBUTTON] =
 806 {
 807   {
 808     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 809     GADGET_ID_PROPERTIES_INFO,
 810     11, "Information",
 811     "Show information about element"
 812   },
 813   {
 814     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
 815     GADGET_ID_PROPERTIES_CONFIG,
 816     11, "Configure",
 817     "Configure element properties"
 818   },
 819   {
 820     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
 821     GADGET_ID_PROPERTIES_ADVANCED,
 822     11, "Advanced",
 823     "Advanced element configuration"
 824   },
 825 };
 826
 827 static struct
 828 {
 829   int xpos, ypos;
 830   int x, y;
 831   int gadget_id;
 832   char *infotext;
 833 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
 834 {
 835   {
 836     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
 837     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
 838     GADGET_ID_SCROLL_UP,
 839     "scroll level editing area up"
 840   },
 841   {
 842     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
 843     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
 844     GADGET_ID_SCROLL_DOWN,
 845     "scroll level editing area down"
 846   },
 847   {
 848     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
 849     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
 850     GADGET_ID_SCROLL_LEFT,
 851     "scroll level editing area left"
 852   },
 853   {
 854     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
 855     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
 856     GADGET_ID_SCROLL_RIGHT,
 857     "scroll level editing area right"
 858   },
 859   {
 860     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
 861     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
 862     GADGET_ID_SCROLL_LIST_UP,
 863     "scroll element list up ('Page Up')"
 864   },
 865   {
 866     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
 867     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
 868     GADGET_ID_SCROLL_LIST_DOWN,
 869     "scroll element list down ('Page Down')"
 870   }
 871 };
 872
 873 static struct
 874 {
 875   int xpos, ypos;
 876   int x, y;
 877   int width, height;
 878   int type;
 879   int gadget_id;
 880   char *infotext;
 881 } scrollbar_info[ED_NUM_SCROLLBARS] =
 882 {
 883   {
 884     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 885     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
 886     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
 887     GD_TYPE_SCROLLBAR_HORIZONTAL,
 888     GADGET_ID_SCROLL_HORIZONTAL,
 889     "scroll level editing area horizontally"
 890   },
 891   {
 892     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 893     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
 894     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
 895     GD_TYPE_SCROLLBAR_VERTICAL,
 896     GADGET_ID_SCROLL_VERTICAL,
 897     "scroll level editing area vertically"
 898   },
 899   {
 900     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
 901     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
 902     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
 903     GD_TYPE_SCROLLBAR_VERTICAL,
 904     GADGET_ID_SCROLL_LIST_VERTICAL,
 905     "scroll element list vertically"
 906   }
 907 };
 908
 909 static struct
 910 {
 911   int x, y;
 912   int gadget_id;
 913   int radio_button_nr;
 914   int *value;
 915   int checked_value;
 916   char *text, *infotext;
 917 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
 918 {
 919   {
 920     ED_SETTINGS_XPOS(0) + 160,          ED_COUNTER2_YPOS(8),
 921     GADGET_ID_RANDOM_PERCENTAGE,
 922     RADIO_NR_RANDOM_ELEMENTS,
 923     &random_placement_method,           RANDOM_USE_PERCENTAGE,
 924     "percentage",                       "use percentage for random elements"
 925   },
 926   {
 927     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER2_YPOS(8),
 928     GADGET_ID_RANDOM_QUANTITY,
 929     RADIO_NR_RANDOM_ELEMENTS,
 930     &random_placement_method,           RANDOM_USE_QUANTITY,
 931     "quantity",                         "use quantity for random elements"
 932   }
 933 };
 934
 935 static struct
 936 {
 937   int x, y;
 938   int gadget_id;
 939   boolean *value;
 940   char *text, *infotext;
 941 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
 942 {
 943   {
 944     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
 945     GADGET_ID_DOUBLE_SPEED,
 946     &level.double_speed,
 947     "double speed movement",            "set movement speed of player"
 948   },
 949   {
 950     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER_YPOS(6) - MINI_TILEY,
 951     GADGET_ID_GRAVITY,
 952     &level.gravity,
 953     "gravity",                          "set level gravity"
 954   },
 955   {
 956     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
 957     GADGET_ID_RANDOM_RESTRICTED,
 958     &random_placement_background_restricted,
 959     "restrict random placement to",     "set random placement restriction"
 960   },
 961   {
 962     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
 963     GADGET_ID_STICK_ELEMENT,
 964     &stick_element_properties_window,
 965     "stick this screen to edit content","stick this screen to edit content"
 966   },
 967   {
 968     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 969     GADGET_ID_EM_SLIPPERY_GEMS,
 970     &level.em_slippery_gems,
 971     "slip down from certain flat walls","use EM style slipping behaviour"
 972   },
 973   {
 974     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(3),
 975     GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 976     &custom_element_properties[EP_INDESTRUCTIBLE],
 977     "indestructible",                   "element cannot be destroyed"
 978   },
 979   {
 980     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(4),
 981     GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 982     &custom_element_properties[EP_WALK_TO_OBJECT],
 983     NULL,                               "player can dig/collect/push element"
 984   },
 985   {
 986     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
 987     GADGET_ID_CUSTOM_CAN_FALL,
 988     &custom_element_properties[EP_CAN_FALL],
 989     "can fall",                         "element can fall down"
 990   },
 991   {
 992     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 993     GADGET_ID_CUSTOM_CAN_SMASH,
 994     &custom_element_properties[EP_CAN_SMASH],
 995     "can smash",                        "element can smash other elements"
 996   },
 997   {
 998     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(7),
 999     GADGET_ID_CUSTOM_CAN_MOVE,
1000     &custom_element_properties[EP_CAN_MOVE],
1001     "can move",                         "element can move in some direction"
1002   },
1003   {
1004     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(8),
1005     GADGET_ID_CUSTOM_SLIPPERY,
1006     &custom_element_properties[EP_SLIPPERY],
1007     "slippery",                         "other elements can fall down from it"
1008   },
1009   {
1010     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(9),
1011     GADGET_ID_CUSTOM_WALKABLE,
1012     &custom_element_properties[EP_WALKABLE],
1013     NULL,                               "player can walk on the same field"
1014   },
1015   {
1016     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1017     GADGET_ID_CUSTOM_USE_GRAPHIC,
1018     &custom_element.use_gfx_element,
1019     "use graphic of element:",          "use optional custom graphic element"
1020   },
1021   {
1022     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1023     GADGET_ID_CUSTOM_CHANGEABLE,
1024     &custom_element_properties[EP_CHANGEABLE],
1025     "element changes to    after:",     "element can change to other element"
1026   },
1027   {
1028     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1029     GADGET_ID_CHANGE_DELAY_FIXED,
1030     &custom_element_change_events[CE_DELAY_FIXED],
1031     "delay of",                         "element changes after fixed delay"
1032   },
1033   {
1034     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1035     GADGET_ID_CHANGE_DELAY_RANDOM,
1036     &custom_element_change_events[CE_DELAY_RANDOM],
1037     "delay of",                         "element changes after random delay"
1038   }
1039 };
1040
1041
1042 /*
1043   -----------------------------------------------------------------------------
1044   some internally used variables
1045   -----------------------------------------------------------------------------
1046 */
1047
1048 /* actual size of level editor drawing area */
1049 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1050
1051 /* actual position of level editor drawing area in level playfield */
1052 static int level_xpos = -1, level_ypos = -1;
1053
1054 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1055
1056 /* drawing elements on the three mouse buttons */
1057 static int new_element1 = EL_WALL;
1058 static int new_element2 = EL_EMPTY;
1059 static int new_element3 = EL_SAND;
1060
1061 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1062                                 (button) == 2 ? new_element2 : \
1063                                 (button) == 3 ? new_element3 : EL_EMPTY)
1064 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1065
1066 /* forward declaration for internal use */
1067 static void ModifyEditorCounter(int, int);
1068 static void ModifyEditorCounterLimits(int, int, int);
1069 static void ModifyEditorSelectbox(int, int);
1070 static void ModifyEditorElementList();
1071 static void DrawDrawingWindow();
1072 static void DrawLevelInfoWindow();
1073 static void DrawPropertiesWindow();
1074 static boolean checkPropertiesConfig();
1075 static void CopyLevelToUndoBuffer(int);
1076 static void HandleDrawingAreas(struct GadgetInfo *);
1077 static void HandleCounterButtons(struct GadgetInfo *);
1078 static void HandleTextInputGadgets(struct GadgetInfo *);
1079 static void HandleSelectboxGadgets(struct GadgetInfo *);
1080 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1081 static void HandleRadiobuttons(struct GadgetInfo *);
1082 static void HandleCheckbuttons(struct GadgetInfo *);
1083 static void HandleControlButtons(struct GadgetInfo *);
1084 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1085
1086 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1087
1088 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1089 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1090 static boolean draw_with_brush = FALSE;
1091 static int properties_element = 0;
1092
1093 static short ElementContent[MAX_ELEMENT_CONTENTS][3][3];
1094 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1095 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1096 static int undo_buffer_position = 0;
1097 static int undo_buffer_steps = 0;
1098
1099 static int edit_mode;
1100 static int edit_mode_properties;
1101
1102 static int element_shift = 0;
1103
1104 static int editor_el_boulderdash[] =
1105 {
1106   EL_CHAR('B'),
1107   EL_CHAR('O'),
1108   EL_CHAR('U'),
1109   EL_CHAR('L'),
1110
1111   EL_CHAR('-'),
1112   EL_CHAR('D'),
1113   EL_CHAR('E'),
1114   EL_CHAR('R'),
1115
1116   EL_CHAR('D'),
1117   EL_CHAR('A'),
1118   EL_CHAR('S'),
1119   EL_CHAR('H'),
1120
1121   EL_PLAYER_1,
1122   EL_EMPTY,
1123   EL_SAND,
1124   EL_STEELWALL,
1125
1126   EL_BD_WALL,
1127   EL_BD_MAGIC_WALL,
1128   EL_EXIT_CLOSED,
1129   EL_EXIT_OPEN,
1130
1131   EL_BD_DIAMOND,
1132   EL_BD_BUTTERFLY_UP,
1133   EL_BD_FIREFLY_UP,
1134   EL_BD_ROCK,
1135
1136   EL_BD_BUTTERFLY_LEFT,
1137   EL_BD_FIREFLY_LEFT,
1138   EL_BD_BUTTERFLY_RIGHT,
1139   EL_BD_FIREFLY_RIGHT,
1140
1141   EL_BD_AMOEBA,
1142   EL_BD_BUTTERFLY_DOWN,
1143   EL_BD_FIREFLY_DOWN,
1144   EL_EMPTY,
1145 };
1146 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1147
1148 static int editor_el_emerald_mine[] =
1149 {
1150   EL_CHAR('E'),
1151   EL_CHAR('M'),
1152   EL_CHAR('E'),
1153   EL_CHAR('-'),
1154
1155   EL_CHAR('R'),
1156   EL_CHAR('A'),
1157   EL_CHAR('L'),
1158   EL_CHAR('D'),
1159
1160   EL_CHAR('M'),
1161   EL_CHAR('I'),
1162   EL_CHAR('N'),
1163   EL_CHAR('E'),
1164
1165   EL_PLAYER_1,
1166   EL_PLAYER_2,
1167   EL_PLAYER_3,
1168   EL_PLAYER_4,
1169
1170   EL_PLAYER_1,
1171   EL_EMPTY,
1172   EL_SAND,
1173   EL_ROCK,
1174
1175   EL_STEELWALL,
1176   EL_WALL,
1177   EL_WALL_CRUMBLED,
1178   EL_MAGIC_WALL,
1179
1180   EL_EMERALD,
1181   EL_DIAMOND,
1182   EL_NUT,
1183   EL_BOMB,
1184
1185   EL_WALL_EMERALD,
1186   EL_WALL_DIAMOND,
1187   EL_QUICKSAND_EMPTY,
1188   EL_QUICKSAND_FULL,
1189
1190   EL_DYNAMITE,
1191   EL_DYNAMITE_ACTIVE,
1192   EL_EXIT_CLOSED,
1193   EL_EXIT_OPEN,
1194
1195   EL_YAMYAM,
1196   EL_BUG_UP,
1197   EL_SPACESHIP_UP,
1198   EL_ROBOT,
1199
1200   EL_BUG_LEFT,
1201   EL_SPACESHIP_LEFT,
1202   EL_BUG_RIGHT,
1203   EL_SPACESHIP_RIGHT,
1204
1205   EL_ROBOT_WHEEL,
1206   EL_BUG_DOWN,
1207   EL_SPACESHIP_DOWN,
1208   EL_INVISIBLE_WALL,
1209
1210   EL_ACID_POOL_TOPLEFT,
1211   EL_ACID,
1212   EL_ACID_POOL_TOPRIGHT,
1213   EL_EMPTY,
1214
1215   EL_ACID_POOL_BOTTOMLEFT,
1216   EL_ACID_POOL_BOTTOM,
1217   EL_ACID_POOL_BOTTOMRIGHT,
1218   EL_EMPTY,
1219
1220   EL_AMOEBA_DROP,
1221   EL_AMOEBA_DEAD,
1222   EL_AMOEBA_WET,
1223   EL_AMOEBA_DRY,
1224
1225   EL_EM_KEY_1_FILE,
1226   EL_EM_KEY_2_FILE,
1227   EL_EM_KEY_3_FILE,
1228   EL_EM_KEY_4_FILE,
1229
1230   EL_EM_GATE_1,
1231   EL_EM_GATE_2,
1232   EL_EM_GATE_3,
1233   EL_EM_GATE_4,
1234
1235   EL_EM_GATE_1_GRAY,
1236   EL_EM_GATE_2_GRAY,
1237   EL_EM_GATE_3_GRAY,
1238   EL_EM_GATE_4_GRAY,
1239 };
1240 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1241
1242 static int editor_el_more[] =
1243 {
1244   EL_CHAR('M'),
1245   EL_CHAR('O'),
1246   EL_CHAR('R'),
1247   EL_CHAR('E'),
1248
1249   EL_KEY_1,
1250   EL_KEY_2,
1251   EL_KEY_3,
1252   EL_KEY_4,
1253
1254   EL_GATE_1,
1255   EL_GATE_2,
1256   EL_GATE_3,
1257   EL_GATE_4,
1258
1259   EL_GATE_1_GRAY,
1260   EL_GATE_2_GRAY,
1261   EL_GATE_3_GRAY,
1262   EL_GATE_4_GRAY,
1263
1264   EL_ARROW_LEFT,
1265   EL_ARROW_RIGHT,
1266   EL_ARROW_UP,
1267   EL_ARROW_DOWN,
1268
1269   EL_AMOEBA_FULL,
1270   EL_EMERALD_YELLOW,
1271   EL_EMERALD_RED,
1272   EL_EMERALD_PURPLE,
1273
1274   EL_WALL_BD_DIAMOND,
1275   EL_WALL_EMERALD_YELLOW,
1276   EL_WALL_EMERALD_RED,
1277   EL_WALL_EMERALD_PURPLE,
1278
1279   EL_GAME_OF_LIFE,
1280   EL_PACMAN_UP,
1281   EL_TIME_ORB_FULL,
1282   EL_TIME_ORB_EMPTY,
1283
1284   EL_PACMAN_LEFT,
1285   EL_DARK_YAMYAM,
1286   EL_PACMAN_RIGHT,
1287   EL_EXPANDABLE_WALL,
1288
1289   EL_BIOMAZE,
1290   EL_PACMAN_DOWN,
1291   EL_LAMP,
1292   EL_LAMP_ACTIVE,
1293
1294   EL_DYNABOMB_INCREASE_NUMBER,
1295   EL_DYNABOMB_INCREASE_SIZE,
1296   EL_DYNABOMB_INCREASE_POWER,
1297   EL_STONEBLOCK,
1298
1299   EL_MOLE,
1300   EL_PENGUIN,
1301   EL_PIG,
1302   EL_DRAGON,
1303
1304   EL_EMPTY,
1305   EL_MOLE_UP,
1306   EL_EMPTY,
1307   EL_EMPTY,
1308
1309   EL_MOLE_LEFT,
1310   EL_EMPTY,
1311   EL_MOLE_RIGHT,
1312   EL_EMPTY,
1313
1314   EL_EMPTY,
1315   EL_MOLE_DOWN,
1316   EL_BALLOON,
1317   EL_BALLOON_SWITCH_ANY,
1318
1319   EL_BALLOON_SWITCH_LEFT,
1320   EL_BALLOON_SWITCH_RIGHT,
1321   EL_BALLOON_SWITCH_UP,
1322   EL_BALLOON_SWITCH_DOWN,
1323
1324   EL_SATELLITE,
1325   EL_EXPANDABLE_WALL_HORIZONTAL,
1326   EL_EXPANDABLE_WALL_VERTICAL,
1327   EL_EXPANDABLE_WALL_ANY,
1328
1329   EL_INVISIBLE_STEELWALL,
1330   EL_INVISIBLE_WALL,
1331   EL_SPEED_PILL,
1332   EL_BLACK_ORB,
1333
1334   EL_EMC_STEELWALL_1,
1335   EL_EMC_WALL_1,
1336   EL_EMC_WALL_2,
1337   EL_EMC_WALL_3,
1338
1339   EL_EMC_WALL_4,
1340   EL_EMC_WALL_5,
1341   EL_EMC_WALL_6,
1342   EL_EMC_WALL_7,
1343 };
1344 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1345
1346 static int editor_el_sokoban[] =
1347 {
1348   EL_CHAR('S'),
1349   EL_CHAR('O'),
1350   EL_CHAR('K'),
1351   EL_CHAR('O'),
1352
1353   EL_CHAR('-'),
1354   EL_CHAR('B'),
1355   EL_CHAR('A'),
1356   EL_CHAR('N'),
1357
1358   EL_SOKOBAN_OBJECT,
1359   EL_SOKOBAN_FIELD_EMPTY,
1360   EL_SOKOBAN_FIELD_FULL,
1361   EL_STEELWALL,
1362 };
1363 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1364
1365 static int editor_el_supaplex[] =
1366 {
1367   EL_CHAR('S'),
1368   EL_CHAR('U'),
1369   EL_CHAR('P'),
1370   EL_CHAR('A'),
1371
1372   EL_CHAR('P'),
1373   EL_CHAR('L'),
1374   EL_CHAR('E'),
1375   EL_CHAR('X'),
1376
1377   EL_SP_EMPTY,
1378   EL_SP_ZONK,
1379   EL_SP_BASE,
1380   EL_SP_MURPHY,
1381
1382   EL_SP_INFOTRON,
1383   EL_SP_CHIP_SINGLE,
1384   EL_SP_HARDWARE_GRAY,
1385   EL_SP_EXIT_CLOSED,
1386
1387   EL_SP_DISK_ORANGE,
1388   EL_SP_PORT_RIGHT,
1389   EL_SP_PORT_DOWN,
1390   EL_SP_PORT_LEFT,
1391
1392   EL_SP_PORT_UP,
1393   EL_SP_GRAVITY_PORT_RIGHT,
1394   EL_SP_GRAVITY_PORT_DOWN,
1395   EL_SP_GRAVITY_PORT_LEFT,
1396
1397   EL_SP_GRAVITY_PORT_UP,
1398   EL_SP_SNIKSNAK,
1399   EL_SP_DISK_YELLOW,
1400   EL_SP_TERMINAL,
1401
1402   EL_SP_DISK_RED,
1403   EL_SP_PORT_VERTICAL,
1404   EL_SP_PORT_HORIZONTAL,
1405   EL_SP_PORT_ANY,
1406
1407   EL_SP_ELECTRON,
1408   EL_SP_BUGGY_BASE,
1409   EL_SP_CHIP_LEFT,
1410   EL_SP_CHIP_RIGHT,
1411
1412   EL_SP_HARDWARE_BASE_1,
1413   EL_SP_HARDWARE_GREEN,
1414   EL_SP_HARDWARE_BLUE,
1415   EL_SP_HARDWARE_RED,
1416
1417   EL_SP_HARDWARE_YELLOW,
1418   EL_SP_HARDWARE_BASE_2,
1419   EL_SP_HARDWARE_BASE_3,
1420   EL_SP_HARDWARE_BASE_4,
1421
1422   EL_SP_HARDWARE_BASE_5,
1423   EL_SP_HARDWARE_BASE_6,
1424   EL_SP_CHIP_TOP,
1425   EL_SP_CHIP_BOTTOM,
1426 };
1427 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1428
1429 static int editor_el_diamond_caves[] =
1430 {
1431   EL_CHAR('D'),
1432   EL_CHAR('I'),
1433   EL_CHAR('A'),
1434   EL_CHAR('-'),
1435
1436   EL_CHAR('M'),
1437   EL_CHAR('O'),
1438   EL_CHAR('N'),
1439   EL_CHAR('D'),
1440
1441   EL_CHAR('C'),
1442   EL_CHAR('A'),
1443   EL_CHAR('V'),
1444   EL_CHAR('E'),
1445
1446   EL_CHAR('S'),
1447   EL_CHAR(' '),
1448   EL_CHAR('I'),
1449   EL_CHAR('I'),
1450
1451   EL_PEARL,
1452   EL_CRYSTAL,
1453   EL_WALL_PEARL,
1454   EL_WALL_CRYSTAL,
1455
1456   EL_CONVEYOR_BELT_1_LEFT,
1457   EL_CONVEYOR_BELT_1_MIDDLE,
1458   EL_CONVEYOR_BELT_1_RIGHT,
1459   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1460
1461   EL_CONVEYOR_BELT_2_LEFT,
1462   EL_CONVEYOR_BELT_2_MIDDLE,
1463   EL_CONVEYOR_BELT_2_RIGHT,
1464   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1465
1466   EL_CONVEYOR_BELT_3_LEFT,
1467   EL_CONVEYOR_BELT_3_MIDDLE,
1468   EL_CONVEYOR_BELT_3_RIGHT,
1469   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1470
1471   EL_CONVEYOR_BELT_4_LEFT,
1472   EL_CONVEYOR_BELT_4_MIDDLE,
1473   EL_CONVEYOR_BELT_4_RIGHT,
1474   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1475
1476   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1477   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1478   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1479   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1480
1481   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1482   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1483   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1484   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1485
1486   EL_SWITCHGATE_OPEN,
1487   EL_SWITCHGATE_CLOSED,
1488   EL_SWITCHGATE_SWITCH_UP,
1489   EL_ENVELOPE,
1490
1491   EL_TIMEGATE_CLOSED,
1492   EL_TIMEGATE_OPEN,
1493   EL_TIMEGATE_SWITCH,
1494   EL_EMPTY,
1495
1496   EL_LANDMINE,
1497   EL_INVISIBLE_SAND,
1498   EL_STEELWALL_SLANTED,
1499   EL_EMPTY,
1500
1501   EL_SIGN_EXCLAMATION,
1502   EL_SIGN_STOP,
1503   EL_LIGHT_SWITCH,
1504   EL_LIGHT_SWITCH_ACTIVE,
1505
1506   EL_SHIELD_NORMAL,
1507   EL_SHIELD_DEADLY,
1508   EL_EXTRA_TIME,
1509   EL_EMPTY,
1510 };
1511 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1512
1513 static int editor_el_dx_boulderdash[] =
1514 {
1515   EL_CHAR('D'),
1516   EL_CHAR('X'),
1517   EL_CHAR('-'),
1518   EL_CHAR(' '),
1519
1520   EL_CHAR('B'),
1521   EL_CHAR('O'),
1522   EL_CHAR('U'),
1523   EL_CHAR('L'),
1524
1525   EL_CHAR('-'),
1526   EL_CHAR('D'),
1527   EL_CHAR('E'),
1528   EL_CHAR('R'),
1529
1530   EL_CHAR('D'),
1531   EL_CHAR('A'),
1532   EL_CHAR('S'),
1533   EL_CHAR('H'),
1534
1535   EL_SPRING,
1536   EL_TUBE_RIGHT_DOWN,
1537   EL_TUBE_HORIZONTAL_DOWN,
1538   EL_TUBE_LEFT_DOWN,
1539
1540   EL_TUBE_HORIZONTAL,
1541   EL_TUBE_VERTICAL_RIGHT,
1542   EL_TUBE_ANY,
1543   EL_TUBE_VERTICAL_LEFT,
1544
1545   EL_TUBE_VERTICAL,
1546   EL_TUBE_RIGHT_UP,
1547   EL_TUBE_HORIZONTAL_UP,
1548   EL_TUBE_LEFT_UP,
1549
1550   EL_TRAP,
1551   EL_DX_SUPABOMB,
1552   EL_EMPTY,
1553   EL_EMPTY
1554 };
1555 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
1556
1557 static int editor_el_chars[] =
1558 {
1559   EL_CHAR('T'),
1560   EL_CHAR('E'),
1561   EL_CHAR('X'),
1562   EL_CHAR('T'),
1563
1564   EL_CHAR(' '),
1565   EL_CHAR('!'),
1566   EL_CHAR('"'),
1567   EL_CHAR('#'),
1568
1569   EL_CHAR('$'),
1570   EL_CHAR('%'),
1571   EL_CHAR('&'),
1572   EL_CHAR('\''),
1573
1574   EL_CHAR('('),
1575   EL_CHAR(')'),
1576   EL_CHAR('*'),
1577   EL_CHAR('+'),
1578
1579   EL_CHAR(','),
1580   EL_CHAR('-'),
1581   EL_CHAR('.'),
1582   EL_CHAR('/'),
1583
1584   EL_CHAR('0'),
1585   EL_CHAR('1'),
1586   EL_CHAR('2'),
1587   EL_CHAR('3'),
1588
1589   EL_CHAR('4'),
1590   EL_CHAR('5'),
1591   EL_CHAR('6'),
1592   EL_CHAR('7'),
1593
1594   EL_CHAR('8'),
1595   EL_CHAR('9'),
1596   EL_CHAR(':'),
1597   EL_CHAR(';'),
1598
1599   EL_CHAR('<'),
1600   EL_CHAR('='),
1601   EL_CHAR('>'),
1602   EL_CHAR('?'),
1603
1604   EL_CHAR('@'),
1605   EL_CHAR('A'),
1606   EL_CHAR('B'),
1607   EL_CHAR('C'),
1608
1609   EL_CHAR('D'),
1610   EL_CHAR('E'),
1611   EL_CHAR('F'),
1612   EL_CHAR('G'),
1613
1614   EL_CHAR('H'),
1615   EL_CHAR('I'),
1616   EL_CHAR('J'),
1617   EL_CHAR('K'),
1618
1619   EL_CHAR('L'),
1620   EL_CHAR('M'),
1621   EL_CHAR('N'),
1622   EL_CHAR('O'),
1623
1624   EL_CHAR('P'),
1625   EL_CHAR('Q'),
1626   EL_CHAR('R'),
1627   EL_CHAR('S'),
1628
1629   EL_CHAR('T'),
1630   EL_CHAR('U'),
1631   EL_CHAR('V'),
1632   EL_CHAR('W'),
1633
1634   EL_CHAR('X'),
1635   EL_CHAR('Y'),
1636   EL_CHAR('Z'),
1637   EL_CHAR('['),
1638
1639   EL_CHAR('\\'),
1640   EL_CHAR(']'),
1641   EL_CHAR('^'),
1642   EL_CHAR('_'),
1643
1644   EL_CHAR('©'),
1645   EL_CHAR('Ä'),
1646   EL_CHAR('Ö'),
1647   EL_CHAR('Ü'),
1648
1649   EL_CHAR('°'),
1650   EL_CHAR('®'),
1651   EL_CHAR(FONT_ASCII_CURSOR),
1652   EL_CHAR(' ')
1653 };
1654 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
1655
1656 static int editor_el_custom[] =
1657 {
1658   EL_CHAR('C'),
1659   EL_CHAR('U'),
1660   EL_CHAR('S'),
1661   EL_CHAR('-'),
1662
1663   EL_CHAR('T'),
1664   EL_CHAR('O'),
1665   EL_CHAR('M'),
1666   EL_CHAR(' '),
1667
1668   EL_CHAR('E'),
1669   EL_CHAR('L'),
1670   EL_CHAR('E'),
1671   EL_CHAR('M'),
1672
1673   EL_CHAR('E'),
1674   EL_CHAR('N'),
1675   EL_CHAR('T'),
1676   EL_CHAR('S'),
1677
1678   EL_CUSTOM_START + 0,
1679   EL_CUSTOM_START + 1,
1680   EL_CUSTOM_START + 2,
1681   EL_CUSTOM_START + 3,
1682
1683   EL_CUSTOM_START + 4,
1684   EL_CUSTOM_START + 5,
1685   EL_CUSTOM_START + 6,
1686   EL_CUSTOM_START + 7,
1687
1688   EL_CUSTOM_START + 8,
1689   EL_CUSTOM_START + 9,
1690   EL_CUSTOM_START + 10,
1691   EL_CUSTOM_START + 11,
1692
1693   EL_CUSTOM_START + 12,
1694   EL_CUSTOM_START + 13,
1695   EL_CUSTOM_START + 14,
1696   EL_CUSTOM_START + 15,
1697
1698   EL_CUSTOM_START + 16,
1699   EL_CUSTOM_START + 17,
1700   EL_CUSTOM_START + 18,
1701   EL_CUSTOM_START + 19,
1702
1703   EL_CUSTOM_START + 20,
1704   EL_CUSTOM_START + 21,
1705   EL_CUSTOM_START + 22,
1706   EL_CUSTOM_START + 23,
1707
1708   EL_CUSTOM_START + 24,
1709   EL_CUSTOM_START + 25,
1710   EL_CUSTOM_START + 26,
1711   EL_CUSTOM_START + 27,
1712
1713   EL_CUSTOM_START + 28,
1714   EL_CUSTOM_START + 29,
1715   EL_CUSTOM_START + 30,
1716   EL_CUSTOM_START + 31,
1717
1718   EL_CUSTOM_START + 32,
1719   EL_CUSTOM_START + 33,
1720   EL_CUSTOM_START + 34,
1721   EL_CUSTOM_START + 35,
1722
1723   EL_CUSTOM_START + 36,
1724   EL_CUSTOM_START + 37,
1725   EL_CUSTOM_START + 38,
1726   EL_CUSTOM_START + 39,
1727
1728   EL_CUSTOM_START + 40,
1729   EL_CUSTOM_START + 41,
1730   EL_CUSTOM_START + 42,
1731   EL_CUSTOM_START + 43,
1732
1733   EL_CUSTOM_START + 44,
1734   EL_CUSTOM_START + 45,
1735   EL_CUSTOM_START + 46,
1736   EL_CUSTOM_START + 47,
1737
1738   EL_CUSTOM_START + 48,
1739   EL_CUSTOM_START + 49,
1740   EL_CUSTOM_START + 50,
1741   EL_CUSTOM_START + 51,
1742
1743   EL_CUSTOM_START + 52,
1744   EL_CUSTOM_START + 53,
1745   EL_CUSTOM_START + 54,
1746   EL_CUSTOM_START + 55,
1747
1748   EL_CUSTOM_START + 56,
1749   EL_CUSTOM_START + 57,
1750   EL_CUSTOM_START + 58,
1751   EL_CUSTOM_START + 59,
1752
1753   EL_CUSTOM_START + 60,
1754   EL_CUSTOM_START + 61,
1755   EL_CUSTOM_START + 62,
1756   EL_CUSTOM_START + 63,
1757
1758   EL_CUSTOM_START + 64,
1759   EL_CUSTOM_START + 65,
1760   EL_CUSTOM_START + 66,
1761   EL_CUSTOM_START + 67,
1762
1763   EL_CUSTOM_START + 68,
1764   EL_CUSTOM_START + 69,
1765   EL_CUSTOM_START + 70,
1766   EL_CUSTOM_START + 71,
1767
1768   EL_CUSTOM_START + 72,
1769   EL_CUSTOM_START + 73,
1770   EL_CUSTOM_START + 74,
1771   EL_CUSTOM_START + 75,
1772
1773   EL_CUSTOM_START + 76,
1774   EL_CUSTOM_START + 77,
1775   EL_CUSTOM_START + 78,
1776   EL_CUSTOM_START + 79,
1777
1778   EL_CUSTOM_START + 80,
1779   EL_CUSTOM_START + 81,
1780   EL_CUSTOM_START + 82,
1781   EL_CUSTOM_START + 83,
1782
1783   EL_CUSTOM_START + 84,
1784   EL_CUSTOM_START + 85,
1785   EL_CUSTOM_START + 86,
1786   EL_CUSTOM_START + 87,
1787
1788   EL_CUSTOM_START + 88,
1789   EL_CUSTOM_START + 89,
1790   EL_CUSTOM_START + 90,
1791   EL_CUSTOM_START + 91,
1792
1793   EL_CUSTOM_START + 92,
1794   EL_CUSTOM_START + 93,
1795   EL_CUSTOM_START + 94,
1796   EL_CUSTOM_START + 95,
1797
1798   EL_CUSTOM_START + 96,
1799   EL_CUSTOM_START + 97,
1800   EL_CUSTOM_START + 98,
1801   EL_CUSTOM_START + 99,
1802
1803   EL_CUSTOM_START + 100,
1804   EL_CUSTOM_START + 101,
1805   EL_CUSTOM_START + 102,
1806   EL_CUSTOM_START + 103,
1807
1808   EL_CUSTOM_START + 104,
1809   EL_CUSTOM_START + 105,
1810   EL_CUSTOM_START + 106,
1811   EL_CUSTOM_START + 107,
1812
1813   EL_CUSTOM_START + 108,
1814   EL_CUSTOM_START + 109,
1815   EL_CUSTOM_START + 110,
1816   EL_CUSTOM_START + 111,
1817
1818   EL_CUSTOM_START + 112,
1819   EL_CUSTOM_START + 113,
1820   EL_CUSTOM_START + 114,
1821   EL_CUSTOM_START + 115,
1822
1823   EL_CUSTOM_START + 116,
1824   EL_CUSTOM_START + 117,
1825   EL_CUSTOM_START + 118,
1826   EL_CUSTOM_START + 119,
1827
1828   EL_CUSTOM_START + 120,
1829   EL_CUSTOM_START + 121,
1830   EL_CUSTOM_START + 122,
1831   EL_CUSTOM_START + 123,
1832
1833   EL_CUSTOM_START + 124,
1834   EL_CUSTOM_START + 125,
1835   EL_CUSTOM_START + 126,
1836   EL_CUSTOM_START + 127
1837 };
1838 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
1839
1840 static int *editor_elements = NULL;     /* dynamically allocated */
1841 static int num_editor_elements = 0;     /* dynamically determined */
1842
1843 static struct
1844 {
1845   boolean *setup_value;
1846   int *element_list;
1847   int *element_list_size;
1848
1849   boolean last_setup_value;
1850 }
1851 editor_elements_info[] =
1852 {
1853   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
1854     &num_editor_el_boulderdash                                          },
1855   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
1856     &num_editor_el_emerald_mine                                         },
1857   { &setup.editor.el_more,              editor_el_more,
1858     &num_editor_el_more                                                 },
1859   { &setup.editor.el_sokoban,           editor_el_sokoban,
1860     &num_editor_el_sokoban                                              },
1861   { &setup.editor.el_supaplex,          editor_el_supaplex,
1862     &num_editor_el_supaplex                                             },
1863   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
1864     &num_editor_el_diamond_caves                                        },
1865   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
1866     &num_editor_el_dx_boulderdash                                       },
1867   { &setup.editor.el_chars,             editor_el_chars,
1868     &num_editor_el_chars                                                },
1869   { &setup.editor.el_custom,            editor_el_custom,
1870     &num_editor_el_custom                                               },
1871   { NULL,                               NULL,
1872     NULL                                                                }
1873 };
1874
1875
1876 /*
1877   -----------------------------------------------------------------------------
1878   functions
1879   -----------------------------------------------------------------------------
1880 */
1881
1882 static void ReinitializeElementList()
1883 {
1884   int pos = 0;
1885   int i, j;
1886
1887   if (editor_elements != NULL)
1888     free(editor_elements);
1889
1890   num_editor_elements = 0;
1891
1892   /* determine size of element list */
1893   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1894     if (*editor_elements_info[i].setup_value)
1895       num_editor_elements += *editor_elements_info[i].element_list_size;
1896
1897   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
1898   {
1899     /* workaround: offer at least as many elements as element buttons exist */
1900     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
1901
1902     *editor_elements_info[list_nr].setup_value = TRUE;
1903     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
1904   }
1905
1906   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
1907
1908   /* fill element list */
1909   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1910     if (*editor_elements_info[i].setup_value)
1911       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
1912         editor_elements[pos++] = editor_elements_info[i].element_list[j];
1913 }
1914
1915 static void ReinitializeElementListButtons()
1916 {
1917   static boolean initialization_needed = TRUE;
1918   int i;
1919
1920   if (!initialization_needed)   /* check if editor element setup has changed */
1921     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1922       if (editor_elements_info[i].last_setup_value !=
1923           *editor_elements_info[i].setup_value)
1924         initialization_needed = TRUE;
1925
1926   if (!initialization_needed)
1927     return;
1928
1929   FreeLevelEditorGadgets();
1930   CreateLevelEditorGadgets();
1931
1932   /* store current setup values for next invocation of this function */
1933   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1934     editor_elements_info[i].last_setup_value =
1935       *editor_elements_info[i].setup_value;
1936
1937   initialization_needed = FALSE;
1938 }
1939
1940 static int getCounterGadgetWidth()
1941 {
1942   return (DXSIZE + getFontWidth(FONT_INPUT_1) - 2 * ED_GADGET_DISTANCE);
1943 }
1944
1945 static int getMaxInfoTextLength()
1946 {
1947   return (SXSIZE / getFontWidth(FONT_TEXT_2));
1948 }
1949
1950 static char *getElementInfoText(int element)
1951 {
1952   char *info_text = NULL;
1953
1954   if (element < NUM_FILE_ELEMENTS)
1955   {
1956     if (element_info[element].custom_description != NULL)
1957       info_text = element_info[element].custom_description;
1958     else if (element_info[element].editor_description != NULL)
1959       info_text = element_info[element].editor_description;
1960   }
1961
1962   if (info_text == NULL)
1963   {
1964     info_text = "unknown";
1965
1966     Error(ERR_WARN, "no element description for element %d", element);
1967   }
1968
1969   return info_text;
1970 }
1971
1972 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
1973 {
1974   int x,y;
1975   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
1976   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
1977
1978   BlitBitmap(drawto, drawto,
1979              SX + (dx == -1 ? MINI_TILEX : 0),
1980              SY + (dy == -1 ? MINI_TILEY : 0),
1981              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
1982              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
1983              SX + (dx == +1 ? MINI_TILEX : 0),
1984              SY + (dy == +1 ? MINI_TILEY : 0));
1985   if (dx)
1986   {
1987     x = (dx == 1 ? 0 : ed_fieldx - 1);
1988     for(y=0; y<ed_fieldy; y++)
1989       DrawMiniElementOrWall(x, y, from_x, from_y);
1990   }
1991   else if (dy)
1992   {
1993     y = (dy == 1 ? 0 : ed_fieldy - 1);
1994     for(x=0; x<ed_fieldx; x++)
1995       DrawMiniElementOrWall(x, y, from_x, from_y);
1996   }
1997
1998   redraw_mask |= REDRAW_FIELD;
1999   BackToFront();
2000 }
2001
2002 static void CreateControlButtons()
2003 {
2004   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2005   struct GadgetInfo *gi;
2006   unsigned long event_mask;
2007   int i;
2008
2009   /* create toolbox buttons */
2010   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2011   {
2012     int id = i;
2013     int width, height;
2014     int gd_xoffset, gd_yoffset;
2015     int gd_x1, gd_x2, gd_y1, gd_y2;
2016     int button_type;
2017     int radio_button_nr;
2018     boolean checked;
2019
2020     if (id == GADGET_ID_SINGLE_ITEMS ||
2021         id == GADGET_ID_CONNECTED_ITEMS ||
2022         id == GADGET_ID_LINE ||
2023         id == GADGET_ID_ARC ||
2024         id == GADGET_ID_TEXT ||
2025         id == GADGET_ID_RECTANGLE ||
2026         id == GADGET_ID_FILLED_BOX ||
2027         id == GADGET_ID_FLOOD_FILL ||
2028         id == GADGET_ID_GRAB_BRUSH ||
2029         id == GADGET_ID_PICK_ELEMENT)
2030     {
2031       button_type = GD_TYPE_RADIO_BUTTON;
2032       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
2033       checked = (id == drawing_function ? TRUE : FALSE);
2034       event_mask = GD_EVENT_PRESSED;
2035     }
2036     else
2037     {
2038       button_type = GD_TYPE_NORMAL_BUTTON;
2039       radio_button_nr = RADIO_NR_NONE;
2040       checked = FALSE;
2041
2042       if (id == GADGET_ID_WRAP_LEFT ||
2043           id == GADGET_ID_WRAP_RIGHT ||
2044           id == GADGET_ID_WRAP_UP ||
2045           id == GADGET_ID_WRAP_DOWN)
2046         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2047       else
2048         event_mask = GD_EVENT_RELEASED;
2049     }
2050
2051     if (id < ED_NUM_CTRL1_BUTTONS)
2052     {
2053       int x = i % ED_CTRL1_BUTTONS_HORIZ;
2054       int y = i / ED_CTRL1_BUTTONS_HORIZ;
2055
2056       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
2057       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
2058       width = ED_CTRL1_BUTTON_XSIZE;
2059       height = ED_CTRL1_BUTTON_YSIZE;
2060     }
2061     else
2062     {
2063       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
2064       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
2065
2066       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
2067       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
2068       width = ED_CTRL2_BUTTON_XSIZE;
2069       height = ED_CTRL2_BUTTON_YSIZE;
2070     }
2071
2072     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
2073     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
2074     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
2075     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
2076
2077     gi = CreateGadget(GDI_CUSTOM_ID, id,
2078                       GDI_CUSTOM_TYPE_ID, i,
2079                       GDI_INFO_TEXT, control_info[i].text,
2080                       GDI_X, EX + gd_xoffset,
2081                       GDI_Y, EY + gd_yoffset,
2082                       GDI_WIDTH, width,
2083                       GDI_HEIGHT, height,
2084                       GDI_TYPE, button_type,
2085                       GDI_STATE, GD_BUTTON_UNPRESSED,
2086                       GDI_RADIO_NR, radio_button_nr,
2087                       GDI_CHECKED, checked,
2088                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2089                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2090                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2091                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2092                       GDI_EVENT_MASK, event_mask,
2093                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2094                       GDI_CALLBACK_ACTION, HandleControlButtons,
2095                       GDI_END);
2096
2097     if (gi == NULL)
2098       Error(ERR_EXIT, "cannot create gadget");
2099
2100     level_editor_gadget[id] = gi;
2101   }
2102
2103   /* create buttons for scrolling of drawing area and element list */
2104   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
2105   {
2106     int id = scrollbutton_info[i].gadget_id;
2107     int x, y, width, height;
2108     int gd_x1, gd_x2, gd_y1, gd_y2;
2109
2110     x = scrollbutton_info[i].x;
2111     y = scrollbutton_info[i].y;
2112
2113     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2114
2115     if (id == GADGET_ID_SCROLL_LIST_UP ||
2116         id == GADGET_ID_SCROLL_LIST_DOWN)
2117     {
2118       x += DX;
2119       y += DY;
2120       width = ED_SCROLLBUTTON2_XSIZE;
2121       height = ED_SCROLLBUTTON2_YSIZE;
2122       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
2123       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
2124       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
2125       gd_y2 = gd_y1;
2126     }
2127     else
2128     {
2129       x += SX;
2130       y += SY;
2131       width = ED_SCROLLBUTTON_XSIZE;
2132       height = ED_SCROLLBUTTON_YSIZE;
2133       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
2134       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
2135       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2136       gd_y2 = gd_y1;
2137     }
2138
2139     gi = CreateGadget(GDI_CUSTOM_ID, id,
2140                       GDI_CUSTOM_TYPE_ID, i,
2141                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2142                       GDI_X, x,
2143                       GDI_Y, y,
2144                       GDI_WIDTH, width,
2145                       GDI_HEIGHT, height,
2146                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2147                       GDI_STATE, GD_BUTTON_UNPRESSED,
2148                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2149                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2150                       GDI_EVENT_MASK, event_mask,
2151                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2152                       GDI_CALLBACK_ACTION, HandleControlButtons,
2153                       GDI_END);
2154
2155     if (gi == NULL)
2156       Error(ERR_EXIT, "cannot create gadget");
2157
2158     level_editor_gadget[id] = gi;
2159   }
2160
2161   /* create buttons for element list */
2162   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2163   {
2164     Bitmap *deco_bitmap;
2165     int deco_x, deco_y, deco_xpos, deco_ypos;
2166     int gd_xoffset, gd_yoffset;
2167     int gd_x1, gd_x2, gd_y;
2168     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
2169     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
2170     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
2171     int element = editor_elements[i];
2172
2173     event_mask = GD_EVENT_RELEASED;
2174
2175     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
2176     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
2177
2178     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
2179     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
2180     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
2181
2182     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
2183     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
2184     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
2185
2186     gi = CreateGadget(GDI_CUSTOM_ID, id,
2187                       GDI_CUSTOM_TYPE_ID, i,
2188                       GDI_INFO_TEXT, getElementInfoText(element),
2189                       GDI_X, DX + gd_xoffset,
2190                       GDI_Y, DY + gd_yoffset,
2191                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
2192                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
2193                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2194                       GDI_STATE, GD_BUTTON_UNPRESSED,
2195                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2196                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2197                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2198                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2199                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2200                       GDI_DECORATION_SHIFTING, 1, 1,
2201                       GDI_EVENT_MASK, event_mask,
2202                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2203                       GDI_CALLBACK_ACTION, HandleControlButtons,
2204                       GDI_END);
2205
2206     if (gi == NULL)
2207       Error(ERR_EXIT, "cannot create gadget");
2208
2209     level_editor_gadget[id] = gi;
2210   }
2211 }
2212
2213 static void CreateCounterButtons()
2214 {
2215   int max_infotext_len = getMaxInfoTextLength();
2216   int i;
2217
2218   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
2219   {
2220     int j;
2221     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
2222     int ypos = SY + counterbutton_info[i].y;
2223
2224     for (j=0; j<2; j++)
2225     {
2226       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2227       struct GadgetInfo *gi;
2228       int id = (j == 0 ?
2229                 counterbutton_info[i].gadget_id_down :
2230                 counterbutton_info[i].gadget_id_up);
2231       int gd_xoffset;
2232       int gd_x, gd_x1, gd_x2, gd_y;
2233       int x_size, y_size;
2234       unsigned long event_mask;
2235       char infotext[max_infotext_len + 1];
2236
2237       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2238
2239       if (i == ED_COUNTER_ID_SELECT_LEVEL)
2240       {
2241         int sid = (j == 0 ?
2242                    ED_SCROLLBUTTON_ID_AREA_LEFT :
2243                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
2244
2245         event_mask |= GD_EVENT_RELEASED;
2246
2247         if (j == 1)
2248           xpos += 2 * ED_GADGET_DISTANCE;
2249         ypos += ED_GADGET_DISTANCE;
2250
2251         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].xpos;
2252         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2253         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].ypos;
2254         x_size = ED_SCROLLBUTTON_XSIZE;
2255         y_size = ED_SCROLLBUTTON_YSIZE;
2256       }
2257       else
2258       {
2259         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
2260         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2261         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2262         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
2263         x_size = ED_BUTTON_COUNT_XSIZE;
2264         y_size = ED_BUTTON_COUNT_YSIZE;
2265       }
2266
2267       sprintf(infotext, "%s counter value by 1, 5 or 10",
2268               (j == 0 ? "decrease" : "increase"));
2269
2270       gi = CreateGadget(GDI_CUSTOM_ID, id,
2271                         GDI_CUSTOM_TYPE_ID, i,
2272                         GDI_INFO_TEXT, infotext,
2273                         GDI_X, xpos,
2274                         GDI_Y, ypos,
2275                         GDI_WIDTH, x_size,
2276                         GDI_HEIGHT, y_size,
2277                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2278                         GDI_STATE, GD_BUTTON_UNPRESSED,
2279                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2280                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2281                         GDI_EVENT_MASK, event_mask,
2282                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2283                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2284                         GDI_END);
2285
2286       if (gi == NULL)
2287         Error(ERR_EXIT, "cannot create gadget");
2288
2289       level_editor_gadget[id] = gi;
2290       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
2291
2292       if (j == 0)
2293       {
2294         int font_type = FONT_INPUT_1;
2295         int font_type_active = FONT_INPUT_1_ACTIVE;
2296         int gd_width = ED_WIN_COUNT_XSIZE;
2297
2298         id = counterbutton_info[i].gadget_id_text;
2299         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2300
2301         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2302         {
2303           font_type = FONT_LEVEL_NUMBER;
2304           font_type_active = FONT_LEVEL_NUMBER;
2305
2306           xpos += 2 * ED_GADGET_DISTANCE;
2307           ypos -= ED_GADGET_DISTANCE;
2308
2309           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2310           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2311           gd_width = ED_WIN_COUNT2_XSIZE;
2312         }
2313         else
2314         {
2315           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2316           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2317         }
2318
2319         gi = CreateGadget(GDI_CUSTOM_ID, id,
2320                           GDI_CUSTOM_TYPE_ID, i,
2321                           GDI_INFO_TEXT, "enter counter value",
2322                           GDI_X, xpos,
2323                           GDI_Y, ypos,
2324                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2325                           GDI_NUMBER_VALUE, 0,
2326                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2327                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2328                           GDI_TEXT_SIZE, 3,
2329                           GDI_TEXT_FONT, font_type,
2330                           GDI_TEXT_FONT_ACTIVE, font_type_active,
2331                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2332                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2333                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2334                           GDI_DESIGN_WIDTH, gd_width,
2335                           GDI_EVENT_MASK, event_mask,
2336                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2337                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2338                           GDI_END);
2339
2340         if (gi == NULL)
2341           Error(ERR_EXIT, "cannot create gadget");
2342
2343         level_editor_gadget[id] = gi;
2344         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
2345       }
2346     }
2347   }
2348 }
2349
2350 static void CreateDrawingAreas()
2351 {
2352   struct GadgetInfo *gi;
2353   unsigned long event_mask;
2354   int id;
2355   int i;
2356
2357   event_mask =
2358     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
2359     GD_EVENT_OFF_BORDERS;
2360
2361   /* one for the level drawing area ... */
2362   id = GADGET_ID_DRAWING_LEVEL;
2363   gi = CreateGadget(GDI_CUSTOM_ID, id,
2364                     GDI_X, SX,
2365                     GDI_Y, SY,
2366                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2367                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2368                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2369                     GDI_EVENT_MASK, event_mask,
2370                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2371                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2372                     GDI_END);
2373
2374   if (gi == NULL)
2375     Error(ERR_EXIT, "cannot create gadget");
2376
2377   level_editor_gadget[id] = gi;
2378
2379   /* ... up to eight areas for element content ... */
2380   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2381   {
2382     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
2383     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
2384
2385     id = GADGET_ID_ELEMENT_CONTENT_0 + i;
2386     gi = CreateGadget(GDI_CUSTOM_ID, id,
2387                       GDI_CUSTOM_TYPE_ID, i,
2388                       GDI_X, gx,
2389                       GDI_Y, gy,
2390                       GDI_WIDTH, 3 * MINI_TILEX,
2391                       GDI_HEIGHT, 3 * MINI_TILEY,
2392                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2393                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2394                       GDI_EVENT_MASK, event_mask,
2395                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2396                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2397                       GDI_END);
2398
2399     if (gi == NULL)
2400       Error(ERR_EXIT, "cannot create gadget");
2401
2402     level_editor_gadget[id] = gi;
2403   }
2404
2405   /* ... one for the amoeba content ... */
2406   id = GADGET_ID_AMOEBA_CONTENT;
2407   gi = CreateGadget(GDI_CUSTOM_ID, id,
2408                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2409                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2410                     GDI_WIDTH, MINI_TILEX,
2411                     GDI_HEIGHT, MINI_TILEY,
2412                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2413                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2414                     GDI_EVENT_MASK, event_mask,
2415                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2416                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2417                     GDI_END);
2418
2419   if (gi == NULL)
2420     Error(ERR_EXIT, "cannot create gadget");
2421
2422   level_editor_gadget[id] = gi;
2423
2424   /* ... one for each custom element optional graphic element ... */
2425   id = GADGET_ID_CUSTOM_GRAPHIC;
2426   gi = CreateGadget(GDI_CUSTOM_ID, id,
2427                     GDI_X, SX + ED_AREA_ELEM_CONTENT3_XPOS,
2428                     GDI_Y, SY + ED_AREA_ELEM_CONTENT3_YPOS,
2429                     GDI_WIDTH, MINI_TILEX,
2430                     GDI_HEIGHT, MINI_TILEY,
2431                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2432                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2433                     GDI_EVENT_MASK, event_mask,
2434                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2435                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2436                     GDI_END);
2437
2438   if (gi == NULL)
2439     Error(ERR_EXIT, "cannot create gadget");
2440
2441   level_editor_gadget[id] = gi;
2442
2443   /* ... one for each custom element change target element ... */
2444   id = GADGET_ID_CUSTOM_CHANGED;
2445   gi = CreateGadget(GDI_CUSTOM_ID, id,
2446                     GDI_X, SX + ED_AREA_ELEM_CONTENT2_XPOS,
2447                     GDI_Y, SY + ED_AREA_ELEM_CONTENT2_YPOS,
2448                     GDI_WIDTH, MINI_TILEX,
2449                     GDI_HEIGHT, MINI_TILEY,
2450                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2451                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2452                     GDI_EVENT_MASK, event_mask,
2453                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2454                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2455                     GDI_END);
2456
2457   if (gi == NULL)
2458     Error(ERR_EXIT, "cannot create gadget");
2459
2460   level_editor_gadget[id] = gi;
2461
2462   /* ... and one for random placement background restrictions */
2463
2464   id = GADGET_ID_RANDOM_BACKGROUND;
2465   gi = CreateGadget(GDI_CUSTOM_ID, id,
2466                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2467                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2468                     GDI_WIDTH, MINI_TILEX,
2469                     GDI_HEIGHT, MINI_TILEY,
2470                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2471                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2472                     GDI_EVENT_MASK, event_mask,
2473                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2474                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2475                     GDI_END);
2476
2477   if (gi == NULL)
2478     Error(ERR_EXIT, "cannot create gadget");
2479
2480   level_editor_gadget[id] = gi;
2481 }
2482
2483 static void CreateTextInputGadgets()
2484 {
2485   int max_infotext_len = getMaxInfoTextLength();
2486   int i;
2487
2488   for (i=0; i<ED_NUM_TEXTINPUT; i++)
2489   {
2490     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2491     int gd_x, gd_y;
2492     struct GadgetInfo *gi;
2493     unsigned long event_mask;
2494     char infotext[MAX_OUTPUT_LINESIZE + 1];
2495     int id = textinput_info[i].gadget_id;
2496
2497     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2498
2499     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2500     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2501
2502     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
2503     infotext[max_infotext_len] = '\0';
2504
2505     gi = CreateGadget(GDI_CUSTOM_ID, id,
2506                       GDI_CUSTOM_TYPE_ID, i,
2507                       GDI_INFO_TEXT, infotext,
2508                       GDI_X, SX + textinput_info[i].x,
2509                       GDI_Y, SY + textinput_info[i].y,
2510                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
2511                       GDI_TEXT_VALUE, textinput_info[i].value,
2512                       GDI_TEXT_SIZE, textinput_info[i].size,
2513                       GDI_TEXT_FONT, FONT_INPUT_1,
2514                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2515                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2516                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2517                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2518                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2519                       GDI_EVENT_MASK, event_mask,
2520                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2521                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
2522                       GDI_END);
2523
2524     if (gi == NULL)
2525       Error(ERR_EXIT, "cannot create gadget");
2526
2527     level_editor_gadget[id] = gi;
2528   }
2529 }
2530
2531 static void CreateSelectboxGadgets()
2532 {
2533   int max_infotext_len = getMaxInfoTextLength();
2534   int i, j;
2535
2536   for (i=0; i<ED_NUM_SELECTBOX; i++)
2537   {
2538     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2539     int gd_x, gd_y;
2540     int xoffset = 0;
2541     struct GadgetInfo *gi;
2542     unsigned long event_mask;
2543     char infotext[MAX_OUTPUT_LINESIZE + 1];
2544     int id = selectbox_info[i].gadget_id;
2545
2546     if (selectbox_info[i].size == 0)    /* dynamically determined */
2547     {
2548       /* (we cannot use -1 for uninitialized values if we directly compare
2549          with results from strlen(), because the '<' and '>' operation will
2550          implicitely cast -1 to an unsigned integer value!) */
2551
2552       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
2553         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
2554           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
2555
2556       selectbox_info[i].size++;         /* add one character empty space */
2557     }
2558
2559     event_mask = GD_EVENT_RELEASED |
2560       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2561
2562     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
2563     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
2564
2565     /* determine horizontal offset for leading selectbox text */
2566     if (selectbox_info[i].text != NULL)
2567       xoffset = (getFontWidth(FONT_TEXT_1) * strlen(selectbox_info[i].text) +
2568                  2 * ED_GADGET_DISTANCE);
2569
2570     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
2571     infotext[max_infotext_len] = '\0';
2572
2573     gi = CreateGadget(GDI_CUSTOM_ID, id,
2574                       GDI_CUSTOM_TYPE_ID, i,
2575                       GDI_INFO_TEXT, infotext,
2576                       GDI_X, SX + selectbox_info[i].x + xoffset,
2577                       GDI_Y, SY + selectbox_info[i].y,
2578                       GDI_TYPE, GD_TYPE_SELECTBOX,
2579                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
2580                       GDI_SELECTBOX_INDEX, selectbox_info[i].index,
2581                       GDI_TEXT_SIZE, selectbox_info[i].size,
2582                       GDI_TEXT_FONT, FONT_INPUT_1,
2583                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2584                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2585                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2586                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2587                       GDI_BORDER_SIZE_SELECTBUTTON, getFontWidth(FONT_INPUT_1),
2588                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2589                       GDI_EVENT_MASK, event_mask,
2590                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2591                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
2592                       GDI_END);
2593
2594     if (gi == NULL)
2595       Error(ERR_EXIT, "cannot create gadget");
2596
2597     level_editor_gadget[id] = gi;
2598   }
2599 }
2600
2601 static void CreateTextbuttonGadgets()
2602 {
2603   int max_infotext_len = getMaxInfoTextLength();
2604   int i;
2605
2606   for (i=0; i<ED_NUM_TEXTBUTTON; i++)
2607   {
2608     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2609     int gd_x1, gd_x2, gd_y1, gd_y2;
2610     struct GadgetInfo *gi;
2611     unsigned long event_mask;
2612     char infotext[MAX_OUTPUT_LINESIZE + 1];
2613     int id = textbutton_info[i].gadget_id;
2614
2615     event_mask = GD_EVENT_RELEASED;
2616
2617     gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
2618     gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
2619     gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
2620     gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
2621
2622     sprintf(infotext, "%s", textbutton_info[i].infotext);
2623     infotext[max_infotext_len] = '\0';
2624
2625     gi = CreateGadget(GDI_CUSTOM_ID, id,
2626                       GDI_CUSTOM_TYPE_ID, i,
2627                       GDI_INFO_TEXT, infotext,
2628                       GDI_X, SX + textbutton_info[i].x,
2629                       GDI_Y, SY + textbutton_info[i].y,
2630                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
2631                       GDI_TEXT_VALUE, textbutton_info[i].value,
2632                       GDI_TEXT_SIZE, textbutton_info[i].size,
2633                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
2634                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
2635                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2636                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2637                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2638                       GDI_BORDER_SIZE, ED_BORDER2_SIZE, ED_BORDER_SIZE,
2639                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2640                       GDI_DECORATION_SHIFTING, 1, 1,
2641                       GDI_EVENT_MASK, event_mask,
2642                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2643                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
2644                       GDI_END);
2645
2646     if (gi == NULL)
2647       Error(ERR_EXIT, "cannot create gadget");
2648
2649     level_editor_gadget[id] = gi;
2650   }
2651 }
2652
2653 static void CreateScrollbarGadgets()
2654 {
2655   int i;
2656
2657   for (i=0; i<ED_NUM_SCROLLBARS; i++)
2658   {
2659     int id = scrollbar_info[i].gadget_id;
2660     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2661     int gd_x1, gd_x2, gd_y1, gd_y2;
2662     struct GadgetInfo *gi;
2663     int items_max, items_visible, item_position;
2664     unsigned long event_mask;
2665
2666     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
2667     {
2668       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
2669       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
2670       item_position = 0;
2671     }
2672     else        /* drawing area scrollbars */
2673     {
2674       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
2675       {
2676         items_max = MAX(lev_fieldx + 2, ed_fieldx);
2677         items_visible = ed_fieldx;
2678         item_position = 0;
2679       }
2680       else
2681       {
2682         items_max = MAX(lev_fieldy + 2, ed_fieldy);
2683         items_visible = ed_fieldy;
2684         item_position = 0;
2685       }
2686     }
2687
2688     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2689
2690     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].xpos;
2691     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
2692                       scrollbar_info[i].height : scrollbar_info[i].width));
2693     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2694     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2695
2696     gi = CreateGadget(GDI_CUSTOM_ID, id,
2697                       GDI_CUSTOM_TYPE_ID, i,
2698                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2699                       GDI_X, scrollbar_info[i].x,
2700                       GDI_Y, scrollbar_info[i].y,
2701                       GDI_WIDTH, scrollbar_info[i].width,
2702                       GDI_HEIGHT, scrollbar_info[i].height,
2703                       GDI_TYPE, scrollbar_info[i].type,
2704                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2705                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2706                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2707                       GDI_STATE, GD_BUTTON_UNPRESSED,
2708                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2709                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2710                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2711                       GDI_EVENT_MASK, event_mask,
2712                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2713                       GDI_CALLBACK_ACTION, HandleControlButtons,
2714                       GDI_END);
2715
2716     if (gi == NULL)
2717       Error(ERR_EXIT, "cannot create gadget");
2718
2719     level_editor_gadget[id] = gi;
2720   }
2721 }
2722
2723 static void CreateCheckbuttonGadgets()
2724 {
2725   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2726   struct GadgetInfo *gi;
2727   unsigned long event_mask;
2728   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
2729   boolean checked;
2730   int i;
2731
2732   event_mask = GD_EVENT_PRESSED;
2733
2734   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2735   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2736   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
2737   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
2738   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
2739
2740   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
2741   {
2742     int id = radiobutton_info[i].gadget_id;
2743
2744     checked =
2745       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2746
2747     gi = CreateGadget(GDI_CUSTOM_ID, id,
2748                       GDI_CUSTOM_TYPE_ID, i,
2749                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
2750                       GDI_X, SX + radiobutton_info[i].x,
2751                       GDI_Y, SY + radiobutton_info[i].y,
2752                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2753                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2754                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
2755                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
2756                       GDI_CHECKED, checked,
2757                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2758                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2759                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2760                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2761                       GDI_EVENT_MASK, event_mask,
2762                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2763                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
2764                       GDI_END);
2765
2766     if (gi == NULL)
2767       Error(ERR_EXIT, "cannot create gadget");
2768
2769     level_editor_gadget[id] = gi;
2770   }
2771
2772   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
2773   {
2774     int id = checkbutton_info[i].gadget_id;
2775
2776     if (id == GADGET_ID_STICK_ELEMENT)
2777       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
2778     else
2779       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
2780
2781     gi = CreateGadget(GDI_CUSTOM_ID, id,
2782                       GDI_CUSTOM_TYPE_ID, i,
2783                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
2784                       GDI_X, SX + checkbutton_info[i].x,
2785                       GDI_Y, SY + checkbutton_info[i].y,
2786                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2787                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2788                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
2789                       GDI_CHECKED, *checkbutton_info[i].value,
2790                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2791                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2792                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2793                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2794                       GDI_EVENT_MASK, event_mask,
2795                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2796                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
2797                       GDI_END);
2798
2799     if (gi == NULL)
2800       Error(ERR_EXIT, "cannot create gadget");
2801
2802     level_editor_gadget[id] = gi;
2803   }
2804 }
2805
2806 void CreateLevelEditorGadgets()
2807 {
2808   int old_game_status = game_status;
2809
2810   /* setting 'game_status' is needed to get the right fonts for the editor */
2811   game_status = GAME_MODE_EDITOR;
2812
2813   ReinitializeElementList();
2814
2815   CreateControlButtons();
2816   CreateCounterButtons();
2817   CreateDrawingAreas();
2818   CreateTextInputGadgets();
2819   CreateSelectboxGadgets();
2820   CreateTextbuttonGadgets();
2821   CreateScrollbarGadgets();
2822   CreateCheckbuttonGadgets();
2823
2824   game_status = old_game_status;
2825 }
2826
2827 void FreeLevelEditorGadgets()
2828 {
2829   int i;
2830
2831   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2832     FreeGadget(level_editor_gadget[i]);
2833 }
2834
2835 static void MapCounterButtons(int id)
2836 {
2837   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
2838   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
2839   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
2840 }
2841
2842 static void MapControlButtons()
2843 {
2844   int counter_id;
2845   int i;
2846
2847   /* map toolbox buttons */
2848   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2849     MapGadget(level_editor_gadget[i]);
2850
2851   /* map buttons to select elements */
2852   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2853     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
2854   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
2855   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
2856   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
2857
2858   /* map buttons to select level */
2859   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
2860   ModifyEditorCounterLimits(counter_id,
2861                             leveldir_current->first_level,
2862                             leveldir_current->last_level);
2863   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2864   MapCounterButtons(counter_id);
2865 }
2866
2867 static void MapDrawingArea(int id)
2868 {
2869   MapGadget(level_editor_gadget[id]);
2870 }
2871
2872 static void MapTextInputGadget(int id)
2873 {
2874   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
2875 }
2876
2877 static void MapSelectboxGadget(int id)
2878 {
2879   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
2880 }
2881
2882 static void MapTextbuttonGadget(int id)
2883 {
2884   MapGadget(level_editor_gadget[textbutton_info[id].gadget_id]);
2885 }
2886
2887 static void MapRadiobuttonGadget(int id)
2888 {
2889   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
2890 }
2891
2892 static void MapCheckbuttonGadget(int id)
2893 {
2894   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
2895 }
2896
2897 static void MapMainDrawingArea()
2898 {
2899   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
2900   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
2901   int i;
2902
2903   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
2904   {
2905     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
2906           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
2907          no_horizontal_scrollbar) ||
2908         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
2909           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
2910          no_vertical_scrollbar))
2911       continue;
2912
2913     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
2914   }
2915
2916   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
2917   {
2918     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
2919         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
2920       continue;
2921
2922     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
2923   }
2924
2925   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
2926 }
2927
2928 static void UnmapDrawingArea(int id)
2929 {
2930   UnmapGadget(level_editor_gadget[id]);
2931 }
2932
2933 void UnmapLevelEditorWindowGadgets()
2934 {
2935   int i;
2936
2937   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2938     if (level_editor_gadget[i]->x < SX + SXSIZE)
2939       UnmapGadget(level_editor_gadget[i]);
2940 }
2941
2942 void UnmapLevelEditorGadgets()
2943 {
2944   int i;
2945
2946   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2947     UnmapGadget(level_editor_gadget[i]);
2948 }
2949
2950 static void ResetUndoBuffer()
2951 {
2952   undo_buffer_position = -1;
2953   undo_buffer_steps = -1;
2954   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
2955 }
2956
2957 static void DrawEditModeWindow()
2958 {
2959   if (edit_mode == ED_MODE_INFO)
2960     DrawLevelInfoWindow();
2961   else if (edit_mode == ED_MODE_PROPERTIES)
2962     DrawPropertiesWindow();
2963   else  /* edit_mode == ED_MODE_DRAWING */
2964     DrawDrawingWindow();
2965 }
2966
2967 static boolean LevelChanged()
2968 {
2969   boolean level_changed = FALSE;
2970   int x, y;
2971
2972   for(y=0; y<lev_fieldy; y++)
2973     for(x=0; x<lev_fieldx; x++)
2974       if (Feld[x][y] != Ur[x][y])
2975         level_changed = TRUE;
2976
2977   return level_changed;
2978 }
2979
2980 static boolean LevelContainsPlayer()
2981 {
2982   boolean player_found = FALSE;
2983   int x, y;
2984
2985   for(y=0; y<lev_fieldy; y++)
2986     for(x=0; x<lev_fieldx; x++)
2987       if (Feld[x][y] == EL_PLAYER_1 ||
2988           Feld[x][y] == EL_SP_MURPHY)
2989         player_found = TRUE;
2990
2991   return player_found;
2992 }
2993
2994 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
2995                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
2996 {
2997   int x, y;
2998
2999   for(x=0; x<lev_fieldx; x++)
3000     for(y=0; y<lev_fieldy; y++)
3001       dst[x][y] = src[x][y];
3002 }
3003
3004 static void CopyCustomElementPropertiesToEditor(int element)
3005 {
3006   int i;
3007
3008   i = properties_element - EL_CUSTOM_START;
3009   custom_element = level.custom_element[i];
3010
3011   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3012     custom_element_properties[i] = HAS_PROPERTY(element, i);
3013
3014   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3015     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
3016
3017   /* set walk-to-object action selectbox help value */
3018   custom_element.walk_to_action =
3019     (IS_DIGGABLE(element) ? EP_DIGGABLE :
3020      IS_COLLECTIBLE(element) ? EP_COLLECTIBLE :
3021      EP_PUSHABLE);
3022
3023   /* set walkable layer selectbox help value */
3024   custom_element.walkable_layer =
3025     (IS_WALKABLE_OVER(element) ? EP_WALKABLE_OVER :
3026      IS_WALKABLE_INSIDE(element) ? EP_WALKABLE_INSIDE :
3027      EP_WALKABLE_UNDER);
3028 }
3029
3030 static void CopyCustomElementPropertiesToGame(int element)
3031 {
3032   int i;
3033
3034   i = properties_element - EL_CUSTOM_START;
3035   level.custom_element[i] = custom_element;
3036
3037   /* set walk-to-object property from checkbox and selectbox */
3038   custom_element_properties[EP_DIGGABLE] = FALSE;
3039   custom_element_properties[EP_COLLECTIBLE] = FALSE;
3040   custom_element_properties[EP_PUSHABLE] = FALSE;
3041   custom_element_properties[custom_element.walk_to_action] =
3042     custom_element_properties[EP_WALK_TO_OBJECT];
3043
3044   /* set walkable property from checkbox and selectbox */
3045   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
3046   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
3047   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
3048   custom_element_properties[custom_element.walkable_layer] =
3049     custom_element_properties[EP_WALKABLE];
3050
3051   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3052     SET_PROPERTY(element, i, custom_element_properties[i]);
3053
3054   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3055     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
3056
3057   /* copy change events also to special level editor variable */
3058   i = properties_element - EL_CUSTOM_START;
3059   custom_element = level.custom_element[i];
3060 }
3061
3062 void DrawLevelEd()
3063 {
3064   CloseDoor(DOOR_CLOSE_ALL);
3065   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
3066
3067   if (level_editor_test_game)
3068   {
3069     CopyPlayfield(Ur, Feld);
3070     CopyPlayfield(FieldBackup, Ur);
3071
3072     level_editor_test_game = FALSE;
3073   }
3074   else
3075   {
3076     edit_mode = ED_MODE_DRAWING;
3077     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
3078
3079     ResetUndoBuffer();
3080
3081     level_xpos = -1;
3082     level_ypos = -1;
3083   }
3084
3085   /* copy default editor door content to main double buffer */
3086   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3087              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
3088
3089   /* draw mouse button brush elements */
3090   DrawMiniGraphicExt(drawto,
3091                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3092                      el2edimg(new_element1));
3093   DrawMiniGraphicExt(drawto,
3094                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3095                      el2edimg(new_element2));
3096   DrawMiniGraphicExt(drawto,
3097                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3098                      el2edimg(new_element3));
3099
3100   /* draw bigger door */
3101   DrawSpecialEditorDoor();
3102
3103   /* draw new control window */
3104   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3105              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
3106
3107   redraw_mask |= REDRAW_ALL;
3108
3109   ReinitializeElementListButtons();     /* only needed after setup changes */
3110
3111   UnmapTapeButtons();
3112   MapControlButtons();
3113
3114   /* copy actual editor door content to door double buffer for OpenDoor() */
3115   BlitBitmap(drawto, bitmap_db_door,
3116              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
3117
3118   DrawEditModeWindow();
3119
3120   OpenDoor(DOOR_OPEN_1);
3121 }
3122
3123 static void AdjustDrawingAreaGadgets()
3124 {
3125   int ed_xsize = lev_fieldx + 2;
3126   int ed_ysize = lev_fieldy + 2;
3127   int max_ed_fieldx = MAX_ED_FIELDX;
3128   int max_ed_fieldy = MAX_ED_FIELDY;
3129   boolean horizontal_scrollbar_needed;
3130   boolean vertical_scrollbar_needed;
3131   int x, y, width, height;
3132   int xoffset, yoffset;
3133
3134   /* check if we need any scrollbars */
3135   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3136   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3137
3138   /* check if we have a smaller editor field because of scrollbars */
3139   if (horizontal_scrollbar_needed)
3140     max_ed_fieldy = MAX_ED_FIELDY - 1;
3141   if (vertical_scrollbar_needed)
3142     max_ed_fieldx = MAX_ED_FIELDX - 1;
3143
3144   /* check again if we now need more scrollbars because of less space */
3145   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3146   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3147
3148   /* check if editor field gets even smaller after adding new scrollbars */
3149   if (horizontal_scrollbar_needed)
3150     max_ed_fieldy = MAX_ED_FIELDY - 1;
3151   if (vertical_scrollbar_needed)
3152     max_ed_fieldx = MAX_ED_FIELDX - 1;
3153
3154   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
3155   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
3156
3157   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
3158                GDI_WIDTH, ed_fieldx * MINI_TILEX,
3159                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
3160                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
3161                GDI_END);
3162
3163   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
3164   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
3165
3166   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
3167   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
3168
3169   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
3170   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
3171
3172   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
3173   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
3174
3175   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3176                GDI_WIDTH, width,
3177                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
3178                GDI_END);
3179   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
3180                GDI_HEIGHT, height,
3181                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
3182                GDI_END);
3183 }
3184
3185 static void AdjustLevelScrollPosition()
3186 {
3187   if (level_xpos < -1)
3188     level_xpos = -1;
3189   if (level_xpos > lev_fieldx - ed_fieldx + 1)
3190     level_xpos = lev_fieldx - ed_fieldx + 1;
3191   if (lev_fieldx < ed_fieldx - 2)
3192     level_xpos = -1;
3193
3194   if (level_ypos < -1)
3195     level_ypos = -1;
3196   if (level_ypos > lev_fieldy - ed_fieldy + 1)
3197     level_ypos = lev_fieldy - ed_fieldy + 1;
3198   if (lev_fieldy < ed_fieldy - 2)
3199     level_ypos = -1;
3200 }
3201
3202 static void AdjustEditorScrollbar(int id)
3203 {
3204   struct GadgetInfo *gi = level_editor_gadget[id];
3205   int items_max, items_visible, item_position;
3206
3207   if (id == GADGET_ID_SCROLL_HORIZONTAL)
3208   {
3209     items_max = MAX(lev_fieldx + 2, ed_fieldx);
3210     items_visible = ed_fieldx;
3211     item_position = level_xpos + 1;
3212   }
3213   else
3214   {
3215     items_max = MAX(lev_fieldy + 2, ed_fieldy);
3216     items_visible = ed_fieldy;
3217     item_position = level_ypos + 1;
3218   }
3219
3220   if (item_position > items_max - items_visible)
3221     item_position = items_max - items_visible;
3222
3223   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
3224                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
3225 }
3226
3227 static void ModifyEditorTextInput(int textinput_id, char *new_text)
3228 {
3229   int gadget_id = textinput_info[textinput_id].gadget_id;
3230   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3231
3232   ModifyGadget(gi, GDI_TEXT_VALUE, new_text, GDI_END);
3233 }
3234
3235 static void ModifyEditorCounter(int counter_id, int new_value)
3236 {
3237   int *counter_value = counterbutton_info[counter_id].value;
3238   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3239   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3240
3241   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
3242
3243   if (counter_value != NULL)
3244     *counter_value = gi->text.number_value;
3245 }
3246
3247 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
3248 {
3249   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3250   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3251
3252   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
3253 }
3254
3255 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
3256 {
3257   int gadget_id = selectbox_info[selectbox_id].gadget_id;
3258   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3259   int new_index_value = 0;
3260   int i;
3261
3262   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
3263     if (selectbox_info[selectbox_id].options[i].value == new_value)
3264       new_index_value = i;
3265
3266   *selectbox_info[selectbox_id].value =
3267     selectbox_info[selectbox_id].options[new_index_value].value;
3268
3269   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
3270 }
3271
3272 static void ModifyEditorElementList()
3273 {
3274   int i;
3275
3276   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3277   {
3278     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
3279     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3280     struct GadgetDesign *gd = &gi->deco.design;
3281     int element = editor_elements[element_shift + i];
3282
3283     UnmapGadget(gi);
3284     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
3285     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
3286     MapGadget(gi);
3287   }
3288 }
3289
3290 static void PickDrawingElement(int button, int element)
3291 {
3292   if (button < 1 || button > 3)
3293     return;
3294
3295   if (button == 1)
3296   {
3297     new_element1 = element;
3298     DrawMiniGraphicExt(drawto,
3299                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3300                        el2edimg(new_element1));
3301   }
3302   else if (button == 2)
3303   {
3304     new_element2 = element;
3305     DrawMiniGraphicExt(drawto,
3306                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3307                        el2edimg(new_element2));
3308   }
3309   else
3310   {
3311     new_element3 = element;
3312     DrawMiniGraphicExt(drawto,
3313                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3314                        el2edimg(new_element3));
3315   }
3316
3317   redraw_mask |= REDRAW_DOOR_1;
3318 }
3319
3320 static void DrawDrawingWindow()
3321 {
3322   SetMainBackgroundImage(IMG_UNDEFINED);
3323   ClearWindow();
3324   UnmapLevelEditorWindowGadgets();
3325
3326   AdjustDrawingAreaGadgets();
3327   AdjustLevelScrollPosition();
3328   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
3329   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
3330
3331   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3332   MapMainDrawingArea();
3333 }
3334
3335 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
3336                               boolean input)
3337 {
3338   int border_graphic =
3339     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
3340   Bitmap *src_bitmap;
3341   int src_x, src_y;
3342   int num_mini_tilex = width / MINI_TILEX + 1;
3343   int num_mini_tiley = width / MINI_TILEY + 1;
3344   int x, y;
3345
3346   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3347
3348   for (y=0; y < num_mini_tiley; y++)
3349     for (x=0; x < num_mini_tilex; x++)
3350       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3351                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3352                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3353
3354   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3355 }
3356
3357 static void DrawRandomPlacementBackgroundArea()
3358 {
3359   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
3360   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
3361   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
3362   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
3363
3364   ElementContent[0][0][0] = random_placement_background_element;
3365
3366   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3367   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
3368
3369   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
3370 }
3371
3372 static void DrawLevelInfoWindow()
3373 {
3374   char infotext[MAX_OUTPUT_LINESIZE + 1];
3375   int max_infotext_len = getMaxInfoTextLength();
3376   int xoffset_above = 0;
3377   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3378   int xoffset_right = getCounterGadgetWidth();
3379   int yoffset_right = ED_BORDER_SIZE;
3380   int xoffset_right2 = ED_SETTINGS_XOFFSET;
3381   int yoffset_right2 = ED_BORDER_SIZE;
3382   int i, x, y;
3383
3384   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
3385   ClearWindow();
3386   UnmapLevelEditorWindowGadgets();
3387
3388   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
3389            "Level Settings", FONT_TITLE_1);
3390   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
3391            "Editor Settings", FONT_TITLE_1);
3392
3393   /* draw counter gadgets */
3394   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
3395   {
3396     if (counterbutton_info[i].infotext_above)
3397     {
3398       x = counterbutton_info[i].x + xoffset_above;
3399       y = counterbutton_info[i].y + yoffset_above;
3400
3401       sprintf(infotext, "%s:", counterbutton_info[i].infotext_above);
3402       infotext[max_infotext_len] = '\0';
3403       DrawTextF(x, y, FONT_TEXT_1, infotext);
3404     }
3405
3406     if (counterbutton_info[i].infotext_right)
3407     {
3408       x = counterbutton_info[i].x + xoffset_right;
3409       y = counterbutton_info[i].y + yoffset_right;
3410
3411       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
3412       infotext[max_infotext_len] = '\0';
3413       DrawTextF(x, y, FONT_TEXT_1, infotext);
3414     }
3415
3416     ModifyEditorCounter(i, *counterbutton_info[i].value);
3417     MapCounterButtons(i);
3418   }
3419
3420   /* draw text input gadgets */
3421   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
3422   {
3423     x = textinput_info[i].x + xoffset_above;
3424     y = textinput_info[i].y + yoffset_above;
3425
3426     sprintf(infotext, "%s:", textinput_info[i].infotext);
3427     infotext[max_infotext_len] = '\0';
3428
3429     DrawTextF(x, y, FONT_TEXT_1, infotext);
3430     ModifyEditorTextInput(i, textinput_info[i].value);
3431     MapTextInputGadget(i);
3432   }
3433
3434   /* draw radiobutton gadgets */
3435   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
3436   {
3437     boolean checked =
3438       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3439
3440     x = radiobutton_info[i].x + xoffset_right2;
3441     y = radiobutton_info[i].y + yoffset_right2;
3442
3443     DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[i].text);
3444     ModifyGadget(level_editor_gadget[radiobutton_info[i].gadget_id],
3445                  GDI_CHECKED, checked, GDI_END);
3446     MapRadiobuttonGadget(i);
3447   }
3448
3449   /* draw checkbutton gadgets */
3450   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
3451   {
3452     x = checkbutton_info[i].x + xoffset_right2;
3453     y = checkbutton_info[i].y + yoffset_right2;
3454
3455     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3456     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3457                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3458     MapCheckbuttonGadget(i);
3459   }
3460
3461   /* draw drawing area */
3462   DrawRandomPlacementBackgroundArea();
3463 }
3464
3465 static void DrawAmoebaContentArea()
3466 {
3467   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3468   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3469   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3470   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3471
3472   ElementContent[0][0][0] = level.amoeba_content;
3473
3474   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3475   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
3476
3477   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
3478
3479   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
3480 }
3481
3482 static void DrawCustomGraphicElementArea()
3483 {
3484   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_GRAPHIC];
3485 #if 0
3486   int xoffset_right2 = ED_SETTINGS_XOFFSET;
3487   int yoffset_right2 = ED_BORDER_SIZE;
3488   int i = ED_CHECKBUTTON_ID_CUSTOM_GRAPHIC;
3489   int text_len = strlen(checkbutton_info[i].text);
3490   int text_width = text_len * getFontWidth(FONT_TEXT_1);
3491   int xpos = checkbutton_info[i].x + 2 * xoffset_right2 + text_width;
3492   int ypos = checkbutton_info[i].y + yoffset_right2;
3493 #else
3494   int xpos = ED_AREA_ELEM_CONTENT3_XPOS;
3495   int ypos = ED_AREA_ELEM_CONTENT3_YPOS;
3496 #endif
3497   int area_sx = SX + xpos;
3498   int area_sy = SY + ypos;
3499
3500   if (!IS_CUSTOM_ELEMENT(properties_element))
3501   {
3502     /* this should never happen */
3503     Error(ERR_WARN, "element %d is no custom element", properties_element);
3504
3505     return;
3506   }
3507
3508   ElementContent[0][0][0] = custom_element.gfx_element;
3509
3510   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3511 #if 1
3512   DrawMiniGraphicExt(drawto,
3513                      gi->x,
3514                      gi->y,
3515                      el2edimg(ElementContent[0][0][0]));
3516 #else
3517   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
3518 #endif
3519
3520 #if 0
3521   DrawText(area_sx + TILEX, area_sy + 1, "Element after change", FONT_TEXT_1);
3522 #endif
3523
3524   MapDrawingArea(GADGET_ID_CUSTOM_GRAPHIC);
3525 }
3526
3527 static void DrawCustomChangedArea()
3528 {
3529   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGED];
3530 #if 0
3531   int xoffset_right2 = ED_SETTINGS_XOFFSET;
3532   int yoffset_right2 = ED_BORDER_SIZE;
3533   int i = ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE;
3534   int text_len = strlen(checkbutton_info[i].text);
3535   int text_width = text_len * getFontWidth(FONT_TEXT_1);
3536   int xpos = checkbutton_info[i].x + 2 * xoffset_right2 + text_width;
3537   int ypos = checkbutton_info[i].y + yoffset_right2;
3538 #else
3539   int xpos = ED_AREA_ELEM_CONTENT2_XPOS;
3540   int ypos = ED_AREA_ELEM_CONTENT2_YPOS;
3541 #endif
3542   int area_sx = SX + xpos;
3543   int area_sy = SY + ypos;
3544
3545   if (!IS_CUSTOM_ELEMENT(properties_element))
3546   {
3547     /* this should never happen */
3548     Error(ERR_WARN, "element %d is no custom element", properties_element);
3549
3550     return;
3551   }
3552
3553   ElementContent[0][0][0] = custom_element.change.successor;
3554
3555   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3556 #if 1
3557   DrawMiniGraphicExt(drawto,
3558                      gi->x,
3559                      gi->y,
3560                      el2edimg(ElementContent[0][0][0]));
3561 #else
3562   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
3563 #endif
3564
3565 #if 0
3566   DrawText(area_sx + TILEX, area_sy + 1, "Element after change", FONT_TEXT_1);
3567 #endif
3568
3569   MapDrawingArea(GADGET_ID_CUSTOM_CHANGED);
3570 }
3571
3572 static void DrawElementContentAreas()
3573 {
3574   int counter_id = ED_COUNTER_ID_ELEMENT_CONTENT;
3575   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3576   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3577   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3578   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3579   int xoffset_right = getCounterGadgetWidth();
3580   int yoffset_right = ED_BORDER_SIZE;
3581   int i, x, y;
3582
3583   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
3584     for (y=0; y<3; y++)
3585       for (x=0; x<3; x++)
3586         ElementContent[i][x][y] = level.yam_content[i][x][y];
3587
3588   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
3589     UnmapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
3590
3591   /* display counter to choose number of element content areas */
3592   x = counterbutton_info[counter_id].x + xoffset_right;
3593   y = counterbutton_info[counter_id].y + yoffset_right;
3594   DrawTextF(x, y, FONT_TEXT_1, "number of content areas");
3595
3596   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
3597   MapCounterButtons(counter_id);
3598
3599   /* delete content areas in case of reducing number of them */
3600   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
3601
3602   for (i=0; i<level.num_yam_contents; i++)
3603     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
3604                       area_sy + 6 * (i / 4) * MINI_TILEY,
3605                       3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
3606
3607   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
3608            "Content", FONT_TEXT_1);
3609   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
3610            "when",    FONT_TEXT_1);
3611   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
3612            "smashed", FONT_TEXT_1);
3613
3614   for (i=0; i<level.num_yam_contents; i++)
3615   {
3616     for (y=0; y<3; y++)
3617       for (x=0; x<3; x++)
3618         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
3619                         ElementContent[i][x][y]);
3620
3621     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
3622               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
3623               FONT_TEXT_1, "%d", i + 1);
3624   }
3625
3626   for (i=0; i<level.num_yam_contents; i++)
3627     MapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
3628 }
3629
3630 char *getElementDescriptionFilename(int element)
3631 {
3632   char *docs_dir = options.docs_directory;
3633   char *elements_subdir = "elements";
3634   static char *filename = NULL;
3635   char basename[MAX_FILENAME_LEN];
3636
3637   if (filename != NULL)
3638     free(filename);
3639
3640   /* 1st try: look for element description file for exactly this element */
3641   sprintf(basename, "%s.txt", element_info[element].token_name);
3642   filename = getPath3(docs_dir, elements_subdir, basename);
3643   if (fileExists(filename))
3644     return filename;
3645
3646   free(filename);
3647
3648   /* 2nd try: look for element description file for this element's class */
3649   sprintf(basename, "%s.txt", element_info[element].class_name);
3650   filename = getPath3(docs_dir, elements_subdir, basename);
3651   if (fileExists(filename))
3652     return filename;
3653
3654   return NULL;
3655 }
3656
3657 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
3658 {
3659   int font_height = getFontHeight(font_nr);
3660   int pad_x = ED_SETTINGS_XPOS(0);
3661   int pad_y = ED_SETTINGS_YPOS(0);
3662   int sx = SX + pad_x;
3663   int sy = SY + pad_y;
3664   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
3665
3666   if (screen_line >= max_lines_per_screen)
3667     return FALSE;
3668
3669   DrawText(sx, sy + screen_line * font_height, text, font_nr);
3670
3671   return TRUE;
3672 }
3673
3674 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
3675 {
3676   int font_nr = FONT_TEXT_2;
3677   int font_width = getFontWidth(font_nr);
3678   int pad_x = ED_SETTINGS_XPOS(0);
3679   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
3680   char line[MAX_LINE_LEN];
3681   char buffer[max_chars_per_line + 1];
3682   int buffer_len;
3683   int lines_printed = 0;
3684   FILE *file;
3685
3686   if (filename == NULL)
3687     return 0;
3688
3689   if (!(file = fopen(filename, MODE_READ)))
3690     return 0;
3691
3692   buffer[0] = '\0';
3693   buffer_len = 0;
3694
3695   while(!feof(file))
3696   {
3697     char *line_ptr, *word_ptr;
3698     boolean last_line_was_empty = TRUE;
3699
3700     /* read next line of input file */
3701     if (!fgets(line, MAX_LINE_LEN, file))
3702       break;
3703
3704     /* skip comments (lines directly beginning with '#') */
3705     if (line[0] == '#')
3706       continue;
3707
3708     /* cut trailing newline from input line */
3709     for (line_ptr = line; *line_ptr; line_ptr++)
3710     {
3711       if (*line_ptr == '\n' || *line_ptr == '\r')
3712       {
3713         *line_ptr = '\0';
3714         break;
3715       }
3716     }
3717
3718     if (strlen(line) == 0)              /* special case: force empty line */
3719       strcpy(line, "\n");
3720
3721     word_ptr = line;
3722
3723     while (*word_ptr)
3724     {
3725       boolean print_buffer = FALSE;
3726       int word_len;
3727
3728       /* skip leading whitespaces */
3729       while (*word_ptr == ' ' || *word_ptr == '\t')
3730         word_ptr++;
3731
3732       line_ptr = word_ptr;
3733       word_len = 0;
3734
3735       /* look for end of next word */
3736       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
3737       {
3738         line_ptr++;
3739         word_len++;
3740       }
3741
3742       if (word_len == 0)
3743       {
3744         continue;
3745       }
3746       else if (*word_ptr == '\n')       /* special case: force empty line */
3747       {
3748         if (buffer_len == 0)
3749           word_ptr++;
3750
3751         /* prevent printing of multiple empty lines */
3752         if (buffer_len > 0 || !last_line_was_empty)
3753           print_buffer = TRUE;
3754       }
3755       else if (word_len < max_chars_per_line - buffer_len)
3756       {
3757         /* word fits into text buffer -- add word */
3758
3759         if (buffer_len > 0)
3760           buffer[buffer_len++] = ' ';
3761
3762         strncpy(&buffer[buffer_len], word_ptr, word_len);
3763         buffer_len += word_len;
3764         buffer[buffer_len] = '\0';
3765         word_ptr += word_len;
3766       }
3767       else if (buffer_len > 0)
3768       {
3769         /* not enough space left for word in text buffer -- print buffer */
3770
3771         print_buffer = TRUE;
3772       }
3773       else
3774       {
3775         /* word does not fit at all into empty text buffer -- cut word */
3776
3777         strncpy(buffer, word_ptr, max_chars_per_line);
3778         buffer[max_chars_per_line] = '\0';
3779         word_ptr += max_chars_per_line;
3780         print_buffer = TRUE;
3781       }
3782
3783       if (print_buffer)
3784       {
3785         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
3786           return lines_printed;
3787
3788         last_line_was_empty = (buffer_len == 0);
3789         lines_printed++;
3790
3791         buffer[0] = '\0';
3792         buffer_len = 0;
3793         print_buffer = FALSE;
3794       }
3795     }
3796   }
3797
3798   fclose(file);
3799
3800   if (buffer_len > 0)
3801     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
3802       lines_printed++;
3803
3804   return lines_printed;
3805 }
3806
3807 static void DrawPropertiesTabulatorGadgets()
3808 {
3809   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
3810   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
3811   int gd_x = gd->x + gd_gi->border.width / 2;
3812   int gd_y = gd->y + gd_gi->height - 1;
3813   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
3814   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
3815   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
3816   int i;
3817
3818   /* draw additional "configure" tabulator for configurable elements */
3819   if (checkPropertiesConfig())
3820     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
3821
3822   /* draw additional "advanced" tabulator for custom elements */
3823   if (IS_CUSTOM_ELEMENT(properties_element))
3824     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
3825
3826   for (i=id_first; i <= id_last; i++)
3827   {
3828     int gadget_id = textbutton_info[i].gadget_id;
3829     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3830     boolean active = (i != edit_mode_properties);
3831
3832     /* draw background line below tabulator button */
3833     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
3834
3835     /* draw solid line below inactive tabulator buttons */
3836     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
3837       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
3838
3839     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
3840     MapTextbuttonGadget(i);
3841   }
3842
3843   /* draw little border line below tabulator buttons */
3844   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
3845     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
3846                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
3847                   ED_GADGET_DISTANCE, tab_color);
3848 }
3849
3850 static void DrawPropertiesInfo()
3851 {
3852   static struct
3853   {
3854     int value;
3855     char *text;
3856   }
3857   properties[] =
3858   {
3859     /* configurable properties */
3860     { EP_INDESTRUCTIBLE,        "- undestructible"                      },
3861     { EP_DIGGABLE,              "- diggable"                            },
3862     { EP_COLLECTIBLE,           "- collectible"                         },
3863     { EP_PUSHABLE,              "- pushable"                            },
3864     { EP_CAN_FALL,              "- can fall"                            },
3865     { EP_CAN_SMASH,             "- can smash other objects"             },
3866     { EP_CAN_MOVE,              "- can move"                            },
3867     { EP_SLIPPERY,              "- slippery for falling objects"        },
3868     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
3869     { EP_WALKABLE_OVER,         "- player can walk over it"             },
3870     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
3871     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
3872     { EP_PASSABLE_OVER,         "- player can pass over it"             },
3873     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
3874     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
3875
3876     /* pre-defined properties */
3877     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
3878     { EP_DONT_TOUCH,            "- deadly when touched"                 },
3879     { EP_ENEMY,                 "- can kill the player"                 },
3880     { EP_DONT_GO_TO,            "- deadly when walked to"               },
3881     { EP_CAN_EXPLODE,           "- can explode"                         },
3882     { EP_HAS_CONTENT,           "- can contain other elements"          },
3883
3884     { -1,                       NULL                                    }
3885   };
3886   char *filename = getElementDescriptionFilename(properties_element);
3887   char *percentage_text = "In this level:";
3888   char *properties_text = "Standard properties:";
3889   float percentage;
3890   int num_elements_in_level;
3891   int num_standard_properties = 0;
3892   int font1_nr = FONT_TEXT_1;
3893   int font2_nr = FONT_TEXT_2;
3894   int font1_width = getFontWidth(font1_nr);
3895   int font2_height = getFontHeight(font2_nr);
3896   int pad_x = ED_SETTINGS_XPOS(0);
3897   int pad_y = ED_SETTINGS_YPOS(0);
3898   int screen_line = 0;
3899   int i, x, y;
3900
3901   /* ----- print number of elements / percentage of this element in level */
3902
3903   num_elements_in_level = 0;
3904   for (y=0; y<lev_fieldy; y++)
3905     for (x=0; x<lev_fieldx; x++)
3906       if (Feld[x][y] == properties_element)
3907         num_elements_in_level++;
3908   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
3909
3910   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
3911             percentage_text);
3912   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
3913             pad_y + screen_line++ * font2_height, font2_nr,
3914             "%d (%.2f%%)", num_elements_in_level, percentage);
3915
3916   screen_line++;
3917
3918   /* ----- print standard properties of this element */
3919
3920   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
3921             properties_text);
3922
3923   for (i=0; properties[i].value != -1; i++)
3924   {
3925     if (!HAS_PROPERTY(properties_element, properties[i].value))
3926       continue;
3927
3928     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
3929               properties[i].text);
3930     num_standard_properties++;
3931   }
3932
3933   if (num_standard_properties == 0)
3934     DrawTextF(pad_x + strlen(properties_text) * font1_width,
3935               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
3936
3937   screen_line++;
3938
3939   /* ----- print special description of this element */
3940
3941   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
3942   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
3943     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
3944 }
3945
3946 #define TEXT_COLLECTING         "Score for collecting"
3947 #define TEXT_SMASHING           "Score for smashing"
3948 #define TEXT_CRACKING           "Score for cracking"
3949 #define TEXT_SPEED              "Speed of amoeba growth"
3950 #define TEXT_DURATION           "Duration when activated"
3951
3952 static struct
3953 {
3954   int element;
3955   int *value;
3956   char *text;
3957 } elements_with_counter[] =
3958 {
3959   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
3960   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
3961   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
3962   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
3963   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
3964   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
3965   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
3966   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
3967   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
3968   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
3969   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
3970   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
3971   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
3972   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
3973   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3974   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3975   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3976   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3977   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3978   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3979   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3980   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3981   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
3982   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
3983   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
3984   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
3985   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
3986   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
3987   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
3988   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
3989   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
3990   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
3991   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
3992   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
3993   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
3994   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
3995   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
3996   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
3997   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
3998   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
3999   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
4000   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
4001   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
4002   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
4003   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
4004   { -1,                 NULL,                           NULL            }
4005 };
4006
4007 static boolean checkPropertiesConfig()
4008 {
4009   int i;
4010
4011   if (IS_GEM(properties_element) ||
4012       IS_CUSTOM_ELEMENT(properties_element) ||
4013       HAS_CONTENT(properties_element))
4014     return TRUE;
4015   else
4016     for (i=0; elements_with_counter[i].element != -1; i++)
4017       if (elements_with_counter[i].element == properties_element)
4018         return TRUE;
4019
4020   return FALSE;
4021 }
4022
4023 static void DrawPropertiesConfig()
4024 {
4025   boolean element_has_score = FALSE;
4026   char *element_score_text = NULL;
4027   static int temporary_dummy_score = 0;
4028   int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
4029   int xoffset_right = getCounterGadgetWidth();
4030   int yoffset_right = ED_BORDER_SIZE;
4031   int xoffset_right2 = ED_SETTINGS_XOFFSET;
4032   int yoffset_right2 = ED_BORDER_SIZE;
4033   int i, x, y;
4034
4035   /* check if there are elements where a score can be chosen for */
4036   for (i=0; elements_with_counter[i].element != -1; i++)
4037   {
4038     if (elements_with_counter[i].element == properties_element)
4039     {
4040 #if 1
4041       counterbutton_info[counter_id].value = elements_with_counter[i].value;
4042       element_score_text = elements_with_counter[i].text;
4043       element_has_score = TRUE;
4044 #else
4045       int x = counterbutton_info[counter_id].x + xoffset_right;
4046       int y = counterbutton_info[counter_id].y + yoffset_right;
4047
4048       counterbutton_info[counter_id].value = elements_with_counter[i].value;
4049       DrawTextF(x, y, FONT_TEXT_1, elements_with_counter[i].text);
4050
4051       ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
4052       MapCounterButtons(counter_id);
4053 #endif
4054       break;
4055     }
4056   }
4057
4058   if (IS_CUSTOM_ELEMENT(properties_element))
4059   {
4060     counterbutton_info[counter_id].value = &temporary_dummy_score;
4061     element_score_text = "Score for certain actions";
4062     element_has_score = TRUE;
4063   }
4064
4065   if (element_has_score)
4066   {
4067     int x = counterbutton_info[counter_id].x + xoffset_right;
4068     int y = counterbutton_info[counter_id].y + yoffset_right;
4069
4070     DrawTextF(x, y, FONT_TEXT_1, element_score_text);
4071
4072     ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
4073     MapCounterButtons(counter_id);
4074   }
4075
4076   if (HAS_CONTENT(properties_element) ||
4077       IS_CUSTOM_ELEMENT(properties_element))
4078   {
4079     /* draw stickybutton gadget */
4080     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4081     if (HAS_CONTENT(properties_element))
4082       checkbutton_info[i].y = ED_COUNTER_YPOS(4);
4083     else
4084       checkbutton_info[i].y = ED_SETTINGS_YPOS(1);
4085     x = checkbutton_info[i].x + xoffset_right2;
4086     y = checkbutton_info[i].y + yoffset_right2;
4087
4088     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4089     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4090                  GDI_CHECKED, *checkbutton_info[i].value,
4091                  GDI_Y, SY + checkbutton_info[i].y, GDI_END);
4092     MapCheckbuttonGadget(i);
4093
4094     if (IS_CUSTOM_ELEMENT(properties_element))
4095       DrawCustomGraphicElementArea();
4096     else if (IS_AMOEBOID(properties_element))
4097       DrawAmoebaContentArea();
4098     else
4099       DrawElementContentAreas();
4100   }
4101
4102   if (IS_GEM(properties_element))
4103   {
4104     /* draw checkbutton gadget */
4105     i = ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS;
4106     x = checkbutton_info[i].x + xoffset_right2;
4107     y = checkbutton_info[i].y + yoffset_right2;
4108
4109     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4110     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4111                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
4112     MapCheckbuttonGadget(i);
4113   }
4114
4115   if (IS_CUSTOM_ELEMENT(properties_element))
4116   {
4117     /* draw checkbutton gadgets */
4118     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
4119          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
4120     {
4121       x = checkbutton_info[i].x + xoffset_right2;
4122       y = checkbutton_info[i].y + yoffset_right2;
4123
4124       DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4125       ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4126                    GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
4127       MapCheckbuttonGadget(i);
4128     }
4129
4130     /* draw selectbox gadgets */
4131     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
4132     {
4133       int yoffset = ED_BORDER_SIZE;
4134
4135       x = selectbox_info[i].x;
4136       y = selectbox_info[i].y + yoffset;
4137
4138       DrawTextF(x, y, FONT_TEXT_1, selectbox_info[i].text);
4139       ModifyEditorSelectbox(i, *selectbox_info[i].value);
4140       MapSelectboxGadget(i);
4141     }
4142   }
4143 }
4144
4145 static void DrawPropertiesAdvanced()
4146 {
4147   char infotext[MAX_OUTPUT_LINESIZE + 1];
4148   int max_infotext_len = getMaxInfoTextLength();
4149   int xoffset_right = getCounterGadgetWidth();
4150   int yoffset_right = ED_BORDER_SIZE;
4151   int xoffset_right2 = ED_SETTINGS_XOFFSET;
4152   int yoffset_right2 = ED_BORDER_SIZE;
4153   int i, x, y;
4154
4155   /* draw stickybutton gadget */
4156   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4157   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4158   x = checkbutton_info[i].x + xoffset_right2;
4159   y = checkbutton_info[i].y + yoffset_right2;
4160
4161   DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4162   ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4163                GDI_CHECKED, *checkbutton_info[i].value,
4164                GDI_Y, SY + checkbutton_info[i].y, GDI_END);
4165   MapCheckbuttonGadget(i);
4166
4167   /* draw counter gadgets */
4168   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
4169   {
4170     if (counterbutton_info[i].infotext_right)
4171     {
4172       x = counterbutton_info[i].x + xoffset_right;
4173       y = counterbutton_info[i].y + yoffset_right;
4174
4175       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
4176       infotext[max_infotext_len] = '\0';
4177       DrawTextF(x, y, FONT_TEXT_1, infotext);
4178     }
4179
4180     ModifyEditorCounter(i, *counterbutton_info[i].value);
4181     MapCounterButtons(i);
4182   }
4183
4184   /* draw checkbutton gadgets */
4185   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
4186        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
4187   {
4188     x = checkbutton_info[i].x + xoffset_right2;
4189     y = checkbutton_info[i].y + yoffset_right2;
4190
4191     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4192     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4193                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
4194     MapCheckbuttonGadget(i);
4195   }
4196
4197   /* draw selectbox gadgets */
4198   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
4199   {
4200     int yoffset = ED_BORDER_SIZE;
4201
4202     x = selectbox_info[i].x;
4203     y = selectbox_info[i].y + yoffset;
4204
4205     DrawTextF(x, y, FONT_TEXT_1, selectbox_info[i].text);
4206     ModifyEditorSelectbox(i, *selectbox_info[i].value);
4207     MapSelectboxGadget(i);
4208   }
4209
4210   DrawCustomChangedArea();
4211 }
4212
4213 static void DrawPropertiesWindow()
4214 {
4215   int xstart = 2;
4216   int ystart = 4;
4217
4218   /* make sure that previous properties edit mode exists for this element */
4219   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
4220       !IS_CUSTOM_ELEMENT(properties_element))
4221     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
4222
4223   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
4224       !checkPropertiesConfig())
4225     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
4226
4227   if (IS_CUSTOM_ELEMENT(properties_element))
4228     CopyCustomElementPropertiesToEditor(properties_element);
4229
4230   UnmapLevelEditorWindowGadgets();
4231
4232   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4233   ClearWindow();
4234
4235   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4236            "Element Settings", FONT_TITLE_1);
4237
4238   DrawElementBorder(SX + xstart * MINI_TILEX,
4239                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4240                     TILEX, TILEY, FALSE);
4241   DrawGraphicAnimationExt(drawto,
4242                           SX + xstart * MINI_TILEX,
4243                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4244                           el2img(properties_element), -1, NO_MASKING);
4245
4246   FrameCounter = 0;     /* restart animation frame counter */
4247
4248   DrawTextF((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
4249             FONT_TEXT_1, getElementInfoText(properties_element));
4250
4251   DrawPropertiesTabulatorGadgets();
4252
4253   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
4254     DrawPropertiesInfo();
4255   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
4256     DrawPropertiesConfig();
4257   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
4258     DrawPropertiesAdvanced();
4259 }
4260
4261 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
4262 {
4263   int lx = sx + level_xpos;
4264   int ly = sy + level_ypos;
4265
4266   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
4267
4268   if (change_level)
4269     Feld[lx][ly] = element;
4270 }
4271
4272 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
4273                      int element, boolean change_level)
4274 {
4275   if (from_y == to_y)                   /* horizontal line */
4276   {
4277     int x;
4278     int y = from_y;
4279
4280     if (from_x > to_x)
4281       swap_numbers(&from_x, &to_x);
4282
4283     for (x=from_x; x<=to_x; x++)
4284       DrawLineElement(x, y, element, change_level);
4285   }
4286   else if (from_x == to_x)              /* vertical line */
4287   {
4288     int x = from_x;
4289     int y;
4290
4291     if (from_y > to_y)
4292       swap_numbers(&from_y, &to_y);
4293
4294     for (y=from_y; y<=to_y; y++)
4295       DrawLineElement(x, y, element, change_level);
4296   }
4297   else                                  /* diagonal line */
4298   {
4299     int len_x = ABS(to_x - from_x);
4300     int len_y = ABS(to_y - from_y);
4301     int x, y;
4302
4303     if (len_y < len_x)                  /* a < 1 */
4304     {
4305       float a = (float)len_y / (float)len_x;
4306
4307       if (from_x > to_x)
4308         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4309
4310       for (x=0; x<=len_x; x++)
4311       {
4312         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
4313         DrawLineElement(from_x + x, from_y + y, element, change_level);
4314       }
4315     }
4316     else                                /* a >= 1 */
4317     {
4318       float a = (float)len_x / (float)len_y;
4319
4320       if (from_y > to_y)
4321         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4322
4323       for (y=0; y<=len_y; y++)
4324       {
4325         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
4326         DrawLineElement(from_x + x, from_y + y, element, change_level);
4327       }
4328     }
4329   }
4330 }
4331
4332 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
4333                     int element, boolean change_level)
4334 {
4335   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
4336   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
4337   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
4338   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
4339 }
4340
4341 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
4342                           int element, boolean change_level)
4343 {
4344   int y;
4345
4346   if (from_y > to_y)
4347     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4348
4349   for (y=from_y; y<=to_y; y++)
4350     DrawLine(from_x, y, to_x, y, element, change_level);
4351 }
4352
4353 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
4354                        int element, boolean change_level)
4355 {
4356   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
4357   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
4358   int len_x = ABS(to_x - from_x);
4359   int len_y = ABS(to_y - from_y);
4360   int radius, x, y;
4361
4362   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
4363
4364   /* not optimal (some points get drawn twice) but simple,
4365      and fast enough for the few points we are drawing */
4366
4367   for (x=0; x<=radius; x++)
4368   {
4369     int sx, sy, lx, ly;
4370
4371     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
4372
4373     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4374     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4375     lx = sx + level_xpos;
4376     ly = sy + level_ypos;
4377
4378     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4379       DrawLineElement(sx, sy, element, change_level);
4380   }
4381
4382   for (y=0; y<=radius; y++)
4383   {
4384     int sx, sy, lx, ly;
4385
4386     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
4387
4388     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4389     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4390     lx = sx + level_xpos;
4391     ly = sy + level_ypos;
4392
4393     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4394       DrawLineElement(sx, sy, element, change_level);
4395   }
4396 }
4397
4398 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
4399                     int element, boolean change_level)
4400 {
4401   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4402   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4403
4404   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4405 }
4406
4407 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
4408 #if DRAW_CIRCLES_BUTTON_AVAILABLE
4409 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
4410                        int element, boolean change_level)
4411 {
4412   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4413   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4414   int mirror_to_x2 = from_x - (to_x2 - from_x);
4415   int mirror_to_y2 = from_y - (to_y2 - from_y);
4416
4417   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4418   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
4419   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
4420   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
4421 }
4422 #endif
4423
4424 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
4425 {
4426   int from_sx, from_sy;
4427   int to_sx, to_sy;
4428
4429   if (from_x > to_x)
4430     swap_numbers(&from_x, &to_x);
4431
4432   if (from_y > to_y)
4433     swap_numbers(&from_y, &to_y);
4434
4435   from_sx = SX + from_x * MINI_TILEX;
4436   from_sy = SY + from_y * MINI_TILEY;
4437   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
4438   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
4439
4440   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
4441   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
4442   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
4443   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
4444
4445   if (from_x == to_x && from_y == to_y)
4446     MarkTileDirty(from_x/2, from_y/2);
4447   else
4448     redraw_mask |= REDRAW_FIELD;
4449 }
4450
4451 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
4452                        int element, boolean change_level)
4453 {
4454   if (element == -1 || change_level)
4455     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
4456   else
4457     DrawAreaBorder(from_x, from_y, to_x, to_y);
4458 }
4459
4460 /* values for CopyBrushExt() */
4461 #define CB_AREA_TO_BRUSH        0
4462 #define CB_BRUSH_TO_CURSOR      1
4463 #define CB_BRUSH_TO_LEVEL       2
4464 #define CB_DELETE_OLD_CURSOR    3
4465
4466 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
4467                          int button, int mode)
4468 {
4469   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
4470   static int brush_width, brush_height;
4471   static int last_cursor_x = -1, last_cursor_y = -1;
4472   static boolean delete_old_brush;
4473   int new_element = BUTTON_ELEMENT(button);
4474   int x, y;
4475
4476   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
4477     return;
4478
4479   if (mode == CB_AREA_TO_BRUSH)
4480   {
4481     int from_lx, from_ly;
4482
4483     if (from_x > to_x)
4484       swap_numbers(&from_x, &to_x);
4485
4486     if (from_y > to_y)
4487       swap_numbers(&from_y, &to_y);
4488
4489     brush_width = to_x - from_x + 1;
4490     brush_height = to_y - from_y + 1;
4491
4492     from_lx = from_x + level_xpos;
4493     from_ly = from_y + level_ypos;
4494
4495     for (y=0; y<brush_height; y++)
4496     {
4497       for (x=0; x<brush_width; x++)
4498       {
4499         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
4500
4501         if (button != 1)
4502           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
4503       }
4504     }
4505
4506     if (button != 1)
4507       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4508
4509     delete_old_brush = FALSE;
4510   }
4511   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
4512            mode == CB_BRUSH_TO_LEVEL)
4513   {
4514     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
4515     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
4516     int cursor_from_x = cursor_x - brush_width / 2;
4517     int cursor_from_y = cursor_y - brush_height / 2;
4518     int border_from_x = cursor_x, border_from_y = cursor_y;
4519     int border_to_x = cursor_x, border_to_y = cursor_y;
4520
4521     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
4522       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
4523
4524     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
4525         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
4526     {
4527       delete_old_brush = FALSE;
4528       return;
4529     }
4530
4531     for (y=0; y<brush_height; y++)
4532     {
4533       for (x=0; x<brush_width; x++)
4534       {
4535         int sx = cursor_from_x + x;
4536         int sy = cursor_from_y + y;
4537         int lx = sx + level_xpos;
4538         int ly = sy + level_ypos;
4539         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
4540         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
4541                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
4542                        brush_buffer[x][y] : new_element);
4543
4544         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4545         {
4546           if (sx < border_from_x)
4547             border_from_x = sx;
4548           else if (sx > border_to_x)
4549             border_to_x = sx;
4550           if (sy < border_from_y)
4551             border_from_y = sy;
4552           else if (sy > border_to_y)
4553             border_to_y = sy;
4554
4555           DrawLineElement(sx, sy, element, change_level);
4556         }
4557       }
4558     }
4559
4560     if (mode != CB_DELETE_OLD_CURSOR)
4561       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
4562
4563     last_cursor_x = cursor_x;
4564     last_cursor_y = cursor_y;
4565     delete_old_brush = TRUE;
4566   }
4567 }
4568
4569 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
4570                             int button)
4571 {
4572   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
4573 }
4574
4575 static void CopyBrushToLevel(int x, int y, int button)
4576 {
4577   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
4578 }
4579
4580 static void CopyBrushToCursor(int x, int y)
4581 {
4582   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
4583 }
4584
4585 static void DeleteBrushFromCursor()
4586 {
4587   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
4588 }
4589
4590 static void FloodFill(int from_x, int from_y, int fill_element)
4591 {
4592   int i,x,y;
4593   int old_element;
4594   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
4595   static int safety = 0;
4596
4597   /* check if starting field still has the desired content */
4598   if (Feld[from_x][from_y] == fill_element)
4599     return;
4600
4601   safety++;
4602
4603   if (safety > lev_fieldx*lev_fieldy)
4604     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
4605
4606   old_element = Feld[from_x][from_y];
4607   Feld[from_x][from_y] = fill_element;
4608
4609   for(i=0;i<4;i++)
4610   {
4611     x = from_x + check[i][0];
4612     y = from_y + check[i][1];
4613
4614     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
4615       FloodFill(x, y, fill_element);
4616   }
4617
4618   safety--;
4619 }
4620
4621 /* values for DrawLevelText() modes */
4622 #define TEXT_INIT               0
4623 #define TEXT_SETCURSOR          1
4624 #define TEXT_WRITECHAR          2
4625 #define TEXT_BACKSPACE          3
4626 #define TEXT_NEWLINE            4
4627 #define TEXT_END                5
4628 #define TEXT_QUERY_TYPING       6
4629
4630 static int DrawLevelText(int sx, int sy, char letter, int mode)
4631 {
4632   static short delete_buffer[MAX_LEV_FIELDX];
4633   static int start_sx, start_sy;
4634   static int last_sx, last_sy;
4635   static boolean typing = FALSE;
4636   int letter_element = EL_CHAR_ASCII0 + letter;
4637   int lx = 0, ly = 0;
4638
4639   /* map lower case letters to upper case and convert special characters */
4640   if (letter >= 'a' && letter <= 'z')
4641     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
4642   else if (letter == 'ä' || letter == 'Ä')
4643     letter_element = EL_CHAR_AUMLAUT;
4644   else if (letter == 'ö' || letter == 'Ö')
4645     letter_element = EL_CHAR_OUMLAUT;
4646   else if (letter == 'ü' || letter == 'Ü')
4647     letter_element = EL_CHAR_UUMLAUT;
4648   else if (letter == '^')
4649     letter_element = EL_CHAR_COPYRIGHT;
4650   else
4651     letter_element = EL_CHAR_ASCII0 + letter;
4652
4653   if (mode != TEXT_INIT)
4654   {
4655     if (!typing)
4656       return FALSE;
4657
4658     if (mode != TEXT_SETCURSOR)
4659     {
4660       sx = last_sx;
4661       sy = last_sy;
4662     }
4663
4664     lx = last_sx + level_xpos;
4665     ly = last_sy + level_ypos;
4666   }
4667
4668   switch (mode)
4669   {
4670     case TEXT_INIT:
4671       if (typing)
4672         DrawLevelText(0, 0, 0, TEXT_END);
4673
4674       typing = TRUE;
4675       start_sx = last_sx = sx;
4676       start_sy = last_sy = sy;
4677       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
4678       break;
4679
4680     case TEXT_SETCURSOR:
4681       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
4682       DrawAreaBorder(sx, sy, sx, sy);
4683       last_sx = sx;
4684       last_sy = sy;
4685       break;
4686
4687     case TEXT_WRITECHAR:
4688       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
4689       {
4690         delete_buffer[sx - start_sx] = Feld[lx][ly];
4691         Feld[lx][ly] = letter_element;
4692
4693         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
4694           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
4695         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
4696           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
4697         else
4698           DrawLevelText(0, 0, 0, TEXT_END);
4699       }
4700       break;
4701
4702     case TEXT_BACKSPACE:
4703       if (sx > start_sx)
4704       {
4705         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
4706         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
4707         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
4708       }
4709       break;
4710
4711     case TEXT_NEWLINE:
4712       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
4713         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
4714       else
4715         DrawLevelText(0, 0, 0, TEXT_END);
4716       break;
4717
4718     case TEXT_END:
4719       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4720       DrawMiniElement(sx, sy, Feld[lx][ly]);
4721       typing = FALSE;
4722       break;
4723
4724     case TEXT_QUERY_TYPING:
4725       break;
4726
4727     default:
4728       break;
4729   }
4730
4731   return typing;
4732 }
4733
4734 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
4735                           int element, boolean change_level)
4736 {
4737   int lx = sx + level_xpos;
4738   int ly = sy + level_ypos;
4739
4740   if (element == -1)
4741     DrawMiniElement(sx, sy, Feld[lx][ly]);
4742   else
4743     DrawAreaBorder(sx, sy, sx, sy);
4744 }
4745
4746 static void CopyLevelToUndoBuffer(int mode)
4747 {
4748   static boolean accumulated_undo = FALSE;
4749   boolean new_undo_buffer_position = TRUE;
4750   int last_border_element;
4751   int x, y;
4752
4753   switch (mode)
4754   {
4755     case UNDO_IMMEDIATE:
4756       accumulated_undo = FALSE;
4757       break;
4758
4759     case UNDO_ACCUMULATE:
4760       if (accumulated_undo)
4761         new_undo_buffer_position = FALSE;
4762       accumulated_undo = TRUE;
4763       break;
4764
4765     default:
4766       break;
4767   }
4768
4769   if (new_undo_buffer_position)
4770   {
4771     /* new position in undo buffer ring */
4772     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
4773
4774     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
4775       undo_buffer_steps++;
4776   }
4777
4778   for(x=0; x<lev_fieldx; x++)
4779     for(y=0; y<lev_fieldy; y++)
4780       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
4781
4782   /* check if drawing operation forces change of border style */
4783   last_border_element = BorderElement;
4784   SetBorderElement();
4785   if (BorderElement != last_border_element)
4786     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4787
4788 #if 0
4789 #ifdef DEBUG
4790   printf("level saved to undo buffer\n");
4791 #endif
4792 #endif
4793 }
4794
4795 static void RandomPlacement(int new_element)
4796 {
4797   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4798   int num_free_positions;
4799   int num_percentage;
4800   int num_elements;
4801   int x, y;
4802
4803   /* determine number of free positions for the new elements */
4804   /* (maybe this statement should be formatted a bit more readable...) */
4805   num_free_positions = 0;
4806   for (x=0; x<lev_fieldx; x++)
4807     for (y=0; y<lev_fieldy; y++)
4808       if ((free_position[x][y] =
4809            ((random_placement_background_restricted &&
4810              Feld[x][y] == random_placement_background_element) ||
4811             (!random_placement_background_restricted &&
4812              Feld[x][y] != new_element))) == TRUE)
4813         num_free_positions++;
4814
4815   /* determine number of new elements to place there */
4816   num_percentage = num_free_positions * random_placement_value / 100;
4817   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
4818                   num_percentage : random_placement_value);
4819
4820   /* if not more free positions than elements to place, fill whole level */
4821   if (num_elements >= num_free_positions)
4822   {
4823     for (x=0; x<lev_fieldx; x++)
4824       for (y=0; y<lev_fieldy; y++)
4825         Feld[x][y] = new_element;
4826
4827     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4828     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4829     return;
4830   }
4831
4832   while (num_elements > 0)
4833   {
4834     x = RND(lev_fieldx);
4835     y = RND(lev_fieldy);
4836
4837     /* don't place element at the same position twice */
4838     if (free_position[x][y])
4839     {
4840       free_position[x][y] = FALSE;
4841       Feld[x][y] = new_element;
4842       num_elements--;
4843     }
4844   }
4845
4846   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4847   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4848 }
4849
4850 void WrapLevel(int dx, int dy)
4851 {
4852   int wrap_dx = lev_fieldx - dx;
4853   int wrap_dy = lev_fieldy - dy;
4854   int x, y;
4855
4856   for(x=0; x<lev_fieldx; x++)
4857     for(y=0; y<lev_fieldy; y++)
4858       FieldBackup[x][y] = Feld[x][y];
4859
4860   for(x=0; x<lev_fieldx; x++)
4861     for(y=0; y<lev_fieldy; y++)
4862       Feld[x][y] =
4863         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
4864
4865   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4866   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
4867 }
4868
4869 static void HandleDrawingAreas(struct GadgetInfo *gi)
4870 {
4871   static boolean started_inside_drawing_area = FALSE;
4872   int id = gi->custom_id;
4873   boolean button_press_event;
4874   boolean button_release_event;
4875   boolean inside_drawing_area = !gi->event.off_borders;
4876   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
4877   int actual_drawing_function;
4878   int button = gi->event.button;
4879   int new_element = BUTTON_ELEMENT(button);
4880   int sx = gi->event.x, sy = gi->event.y;
4881   int min_sx = 0, min_sy = 0;
4882   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
4883   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
4884   int lx = 0, ly = 0;
4885   int min_lx = 0, min_ly = 0;
4886   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
4887   int x, y;
4888
4889   /* handle info callback for each invocation of action callback */
4890   gi->callback_info(gi);
4891
4892   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
4893   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
4894
4895   /* make sure to stay inside drawing area boundaries */
4896   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
4897   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
4898
4899   if (draw_level)
4900   {
4901     /* get positions inside level field */
4902     lx = sx + level_xpos;
4903     ly = sy + level_ypos;
4904
4905     if (!IN_LEV_FIELD(lx, ly))
4906       inside_drawing_area = FALSE;
4907
4908     /* make sure to stay inside level field boundaries */
4909     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
4910     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
4911
4912     /* correct drawing area positions accordingly */
4913     sx = lx - level_xpos;
4914     sy = ly - level_ypos;
4915   }
4916
4917   if (button_press_event)
4918     started_inside_drawing_area = inside_drawing_area;
4919
4920   if (!started_inside_drawing_area)
4921     return;
4922
4923   if (!button && !button_release_event)
4924     return;
4925
4926   /* automatically switch to 'single item' drawing mode, if needed */
4927   actual_drawing_function =
4928     (draw_level ? drawing_function : GADGET_ID_SINGLE_ITEMS);
4929
4930   switch (actual_drawing_function)
4931   {
4932     case GADGET_ID_SINGLE_ITEMS:
4933       if (draw_level)
4934       {
4935         if (button_release_event)
4936         {
4937           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4938
4939           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
4940               !inside_drawing_area)
4941             DeleteBrushFromCursor();
4942         }
4943
4944         if (!button)
4945           break;
4946
4947         if (draw_with_brush)
4948         {
4949           if (!button_release_event)
4950             CopyBrushToLevel(sx, sy, button);
4951         }
4952         else if (new_element != Feld[lx][ly])
4953         {
4954           if (new_element == EL_PLAYER_1)
4955           {
4956             /* remove player at old position */
4957             for(y=0; y<lev_fieldy; y++)
4958             {
4959               for(x=0; x<lev_fieldx; x++)
4960               {
4961                 if (Feld[x][y] == EL_PLAYER_1)
4962                 {
4963                   Feld[x][y] = EL_EMPTY;
4964                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
4965                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
4966                     DrawMiniElement(x - level_xpos, y - level_ypos,
4967                                     EL_EMPTY);
4968                 }
4969               }
4970             }
4971           }
4972
4973           Feld[lx][ly] = new_element;
4974           DrawMiniElement(sx, sy, new_element);
4975         }
4976       }
4977       else
4978       {
4979         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
4980           DrawMiniGraphicExt(drawto,
4981                              gi->x + sx * MINI_TILEX,
4982                              gi->y + sy * MINI_TILEY,
4983                              el2edimg(new_element));
4984         else
4985           DrawGraphicExt(drawto,
4986                          gi->x + sx * TILEX,
4987                          gi->y + sy * TILEY,
4988                          el2img(new_element), 0);
4989
4990         if (id == GADGET_ID_AMOEBA_CONTENT)
4991           level.amoeba_content = new_element;
4992         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
4993         {
4994           int i = properties_element - EL_CUSTOM_START;
4995
4996           new_element = GFX_ELEMENT(new_element);
4997           custom_element.gfx_element = new_element;
4998           level.custom_element[i] = custom_element;
4999
5000           ModifyEditorElementList();
5001
5002           FrameCounter = 0;     /* restart animation frame counter */
5003         }
5004         else if (id == GADGET_ID_CUSTOM_CHANGED)
5005         {
5006           int i = properties_element - EL_CUSTOM_START;
5007
5008           custom_element.change.successor = new_element;
5009           level.custom_element[i] = custom_element;
5010         }
5011         else if (id == GADGET_ID_RANDOM_BACKGROUND)
5012           random_placement_background_element = new_element;
5013         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5014                  id <= GADGET_ID_ELEMENT_CONTENT_7)
5015           level.yam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
5016             new_element;
5017       }
5018       break;
5019
5020     case GADGET_ID_CONNECTED_ITEMS:
5021       {
5022         static int last_sx = -1;
5023         static int last_sy = -1;
5024
5025         if (button_release_event)
5026           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5027
5028         if (button)
5029         {
5030           if (!button_press_event)
5031             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
5032
5033           last_sx = sx;
5034           last_sy = sy;
5035         }
5036       }
5037       break;
5038
5039     case GADGET_ID_LINE:
5040     case GADGET_ID_ARC:
5041     case GADGET_ID_RECTANGLE:
5042     case GADGET_ID_FILLED_BOX:
5043     case GADGET_ID_GRAB_BRUSH:
5044     case GADGET_ID_TEXT:
5045       {
5046         static int last_sx = -1;
5047         static int last_sy = -1;
5048         static int start_sx = -1;
5049         static int start_sy = -1;
5050         void (*draw_func)(int, int, int, int, int, boolean);
5051
5052         if (drawing_function == GADGET_ID_LINE)
5053           draw_func = DrawLine;
5054         else if (drawing_function == GADGET_ID_ARC)
5055           draw_func = DrawArc;
5056         else if (drawing_function == GADGET_ID_RECTANGLE)
5057           draw_func = DrawBox;
5058         else if (drawing_function == GADGET_ID_FILLED_BOX)
5059           draw_func = DrawFilledBox;
5060         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
5061           draw_func = SelectArea;
5062         else /* (drawing_function == GADGET_ID_TEXT) */
5063           draw_func = SetTextCursor;
5064
5065         if (button_press_event)
5066         {
5067           draw_func(sx, sy, sx, sy, new_element, FALSE);
5068           start_sx = last_sx = sx;
5069           start_sy = last_sy = sy;
5070
5071           if (drawing_function == GADGET_ID_TEXT)
5072             DrawLevelText(0, 0, 0, TEXT_END);
5073         }
5074         else if (button_release_event)
5075         {
5076           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
5077           if (drawing_function == GADGET_ID_GRAB_BRUSH)
5078           {
5079             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
5080             CopyBrushToCursor(sx, sy);
5081             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
5082                           MB_LEFTBUTTON);
5083             draw_with_brush = TRUE;
5084           }
5085           else if (drawing_function == GADGET_ID_TEXT)
5086             DrawLevelText(sx, sy, 0, TEXT_INIT);
5087           else
5088             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5089         }
5090         else if (last_sx != sx || last_sy != sy)
5091         {
5092           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
5093           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
5094           last_sx = sx;
5095           last_sy = sy;
5096         }
5097       }
5098       break;
5099
5100     case GADGET_ID_FLOOD_FILL:
5101       if (button_press_event && Feld[lx][ly] != new_element)
5102       {
5103         FloodFill(lx, ly, new_element);
5104         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5105         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5106       }
5107       break;
5108
5109     case GADGET_ID_PICK_ELEMENT:
5110       if (button_release_event)
5111         ClickOnGadget(level_editor_gadget[last_drawing_function],
5112                       MB_LEFTBUTTON);
5113       else
5114         PickDrawingElement(button, Feld[lx][ly]);
5115
5116       break;
5117
5118     default:
5119       break;
5120   }
5121 }
5122
5123 static void HandleCounterButtons(struct GadgetInfo *gi)
5124 {
5125   int gadget_id = gi->custom_id;
5126   int counter_id = gi->custom_type_id;
5127   int button = gi->event.button;
5128   int *counter_value = counterbutton_info[counter_id].value;
5129   int step = BUTTON_STEPSIZE(button) *
5130     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
5131
5132   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
5133   {
5134     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
5135     boolean released = (gi->event.type == GD_EVENT_RELEASED);
5136     boolean level_changed = LevelChanged();
5137
5138     if ((level_changed && pressed) || (!level_changed && released))
5139       return;
5140
5141     if (level_changed && !Request("Level has changed! Discard changes ?",
5142                                   REQ_ASK))
5143     {
5144       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5145         ModifyEditorCounter(counter_id, *counter_value);
5146       return;
5147     }
5148   }
5149
5150   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5151     *counter_value = gi->text.number_value;
5152   else
5153     ModifyEditorCounter(counter_id, *counter_value + step);
5154
5155   switch (counter_id)
5156   {
5157     case ED_COUNTER_ID_ELEMENT_CONTENT:
5158       DrawElementContentAreas();
5159       break;
5160
5161     case ED_COUNTER_ID_LEVEL_XSIZE:
5162     case ED_COUNTER_ID_LEVEL_YSIZE:
5163       lev_fieldx = level.fieldx;
5164       lev_fieldy = level.fieldy;
5165       break;
5166
5167     case ED_COUNTER_ID_SELECT_LEVEL:
5168       LoadLevel(level_nr);
5169       TapeErase();
5170       ResetUndoBuffer();
5171       DrawEditModeWindow();
5172       break;
5173
5174     default:
5175       break;
5176   }
5177
5178   if (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
5179       counter_id <= ED_COUNTER_ID_CHANGE_LAST)
5180     CopyCustomElementPropertiesToGame(properties_element);
5181 }
5182
5183 static void HandleTextInputGadgets(struct GadgetInfo *gi)
5184 {
5185   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
5186 }
5187
5188 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
5189 {
5190   int type_id = gi->custom_type_id;
5191
5192   *selectbox_info[type_id].index = gi->selectbox.index;
5193   *selectbox_info[type_id].value =
5194     selectbox_info[type_id].options[gi->selectbox.index].value;
5195
5196   if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
5197        type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
5198       (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
5199        type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
5200     CopyCustomElementPropertiesToGame(properties_element);
5201
5202 #if 0
5203   printf("Selected text value: '%s' [%d]\n",
5204          selectbox_info[type_id].options[gi->selectbox.index].text,
5205          selectbox_info[type_id].options[gi->selectbox.index].value);
5206 #endif
5207 }
5208
5209 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
5210 {
5211   if (gi->custom_type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
5212       gi->custom_type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
5213   {
5214     edit_mode_properties = gi->custom_type_id;
5215
5216     DrawPropertiesWindow();
5217   }
5218 }
5219
5220 static void HandleRadiobuttons(struct GadgetInfo *gi)
5221 {
5222   *radiobutton_info[gi->custom_type_id].value =
5223     radiobutton_info[gi->custom_type_id].checked_value;
5224 }
5225
5226 static void HandleCheckbuttons(struct GadgetInfo *gi)
5227 {
5228   int type_id = gi->custom_type_id;
5229
5230   *checkbutton_info[type_id].value ^= TRUE;
5231
5232   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
5233        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
5234       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
5235        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST))
5236     CopyCustomElementPropertiesToGame(properties_element);
5237
5238   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
5239     ModifyEditorElementList();
5240 }
5241
5242 static void HandleControlButtons(struct GadgetInfo *gi)
5243 {
5244   int id = gi->custom_id;
5245   int button = gi->event.button;
5246   int step = BUTTON_STEPSIZE(button);
5247   int new_element = BUTTON_ELEMENT(button);
5248   int x, y;
5249
5250   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
5251     DrawLevelText(0, 0, 0, TEXT_END);
5252
5253   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
5254       edit_mode != ED_MODE_DRAWING)
5255   {
5256     DrawDrawingWindow();
5257     edit_mode = ED_MODE_DRAWING;
5258   }
5259
5260   switch (id)
5261   {
5262     case GADGET_ID_SCROLL_LEFT:
5263       if (level_xpos >= 0)
5264       {
5265         if (lev_fieldx < ed_fieldx - 2)
5266           break;
5267
5268         level_xpos -= step;
5269         if (level_xpos < -1)
5270           level_xpos = -1;
5271         if (button == 1)
5272           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
5273         else
5274           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5275
5276         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5277                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5278       }
5279       break;
5280
5281     case GADGET_ID_SCROLL_RIGHT:
5282       if (level_xpos <= lev_fieldx - ed_fieldx)
5283       {
5284         if (lev_fieldx < ed_fieldx - 2)
5285           break;
5286
5287         level_xpos += step;
5288         if (level_xpos > lev_fieldx - ed_fieldx + 1)
5289           level_xpos = lev_fieldx - ed_fieldx + 1;
5290         if (button == 1)
5291           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
5292         else
5293           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5294
5295         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5296                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5297       }
5298       break;
5299
5300     case GADGET_ID_SCROLL_UP:
5301       if (level_ypos >= 0)
5302       {
5303         if (lev_fieldy < ed_fieldy - 2)
5304           break;
5305
5306         level_ypos -= step;
5307         if (level_ypos < -1)
5308           level_ypos = -1;
5309         if (button == 1)
5310           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
5311         else
5312           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5313
5314         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5315                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5316       }
5317       break;
5318
5319     case GADGET_ID_SCROLL_DOWN:
5320       if (level_ypos <= lev_fieldy - ed_fieldy)
5321       {
5322         if (lev_fieldy < ed_fieldy - 2)
5323           break;
5324
5325         level_ypos += step;
5326         if (level_ypos > lev_fieldy - ed_fieldy + 1)
5327           level_ypos = lev_fieldy - ed_fieldy + 1;
5328         if (button == 1)
5329           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
5330         else
5331           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5332
5333         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5334                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5335       }
5336       break;
5337
5338     case GADGET_ID_SCROLL_HORIZONTAL:
5339       level_xpos = gi->event.item_position - 1;
5340       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5341       break;
5342
5343     case GADGET_ID_SCROLL_VERTICAL:
5344       level_ypos = gi->event.item_position - 1;
5345       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5346       break;
5347
5348     case GADGET_ID_SCROLL_LIST_UP:
5349     case GADGET_ID_SCROLL_LIST_DOWN:
5350     case GADGET_ID_SCROLL_LIST_VERTICAL:
5351       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
5352         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
5353       else
5354       {
5355         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
5356         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
5357
5358         if (element_shift < 0)
5359           element_shift = 0;
5360         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
5361           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
5362
5363         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
5364                      GDI_SCROLLBAR_ITEM_POSITION,
5365                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
5366       }
5367
5368       ModifyEditorElementList();
5369
5370       break;
5371
5372     case GADGET_ID_WRAP_LEFT:
5373       WrapLevel(-step, 0);
5374       break;
5375
5376     case GADGET_ID_WRAP_RIGHT:
5377       WrapLevel(step, 0);
5378       break;
5379
5380     case GADGET_ID_WRAP_UP:
5381       WrapLevel(0, -step);
5382       break;
5383
5384     case GADGET_ID_WRAP_DOWN:
5385       WrapLevel(0, step);
5386       break;
5387
5388     case GADGET_ID_SINGLE_ITEMS:
5389     case GADGET_ID_CONNECTED_ITEMS:
5390     case GADGET_ID_LINE:
5391     case GADGET_ID_ARC:
5392     case GADGET_ID_TEXT:
5393     case GADGET_ID_RECTANGLE:
5394     case GADGET_ID_FILLED_BOX:
5395     case GADGET_ID_FLOOD_FILL:
5396     case GADGET_ID_GRAB_BRUSH:
5397     case GADGET_ID_PICK_ELEMENT:
5398       if (drawing_function != GADGET_ID_PICK_ELEMENT)
5399         last_drawing_function = drawing_function;
5400       drawing_function = id;
5401       draw_with_brush = FALSE;
5402       break;
5403
5404     case GADGET_ID_RANDOM_PLACEMENT:
5405       RandomPlacement(new_element);
5406       break;
5407
5408     case GADGET_ID_PROPERTIES:
5409       if (edit_mode != ED_MODE_PROPERTIES)
5410       {
5411         properties_element = new_element;
5412         DrawPropertiesWindow();
5413         edit_mode = ED_MODE_PROPERTIES;
5414       }
5415       else
5416       {
5417         DrawDrawingWindow();
5418         edit_mode = ED_MODE_DRAWING;
5419       }
5420       break;
5421
5422     case GADGET_ID_UNDO:
5423       if (undo_buffer_steps == 0)
5424       {
5425         Request("Undo buffer empty !", REQ_CONFIRM);
5426         break;
5427       }
5428
5429       undo_buffer_position =
5430         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
5431       undo_buffer_steps--;
5432
5433       for(x=0; x<lev_fieldx; x++)
5434         for(y=0; y<lev_fieldy; y++)
5435           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
5436       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
5437       break;
5438
5439     case GADGET_ID_INFO:
5440       if (edit_mode != ED_MODE_INFO)
5441       {
5442         DrawLevelInfoWindow();
5443         edit_mode = ED_MODE_INFO;
5444       }
5445       else
5446       {
5447         DrawDrawingWindow();
5448         edit_mode = ED_MODE_DRAWING;
5449       }
5450       break;
5451
5452     case GADGET_ID_CLEAR:
5453       for(x=0; x<MAX_LEV_FIELDX; x++)
5454         for(y=0; y<MAX_LEV_FIELDY; y++)
5455           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
5456       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
5457
5458       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5459       break;
5460
5461     case GADGET_ID_SAVE:
5462       if (leveldir_current->readonly)
5463       {
5464         Request("This level is read only !", REQ_CONFIRM);
5465         break;
5466       }
5467
5468       if (!LevelContainsPlayer)
5469         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5470       else
5471       {
5472         if (Request("Save this level and kill the old ?", REQ_ASK))
5473         {
5474           CopyPlayfield(Feld, Ur);
5475
5476           SaveLevel(level_nr);
5477         }
5478       }
5479       break;
5480
5481     case GADGET_ID_TEST:
5482       if (!LevelContainsPlayer)
5483         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5484       else
5485       {
5486         if (LevelChanged())
5487           level.game_version = GAME_VERSION_ACTUAL;
5488
5489         CopyPlayfield(Ur, FieldBackup);
5490         CopyPlayfield(Feld, Ur);
5491
5492         UnmapLevelEditorGadgets();
5493         UndrawSpecialEditorDoor();
5494
5495         CloseDoor(DOOR_CLOSE_ALL);
5496
5497         DrawCompleteVideoDisplay();
5498
5499         if (setup.autorecord)
5500           TapeStartRecording();
5501
5502         level_editor_test_game = TRUE;
5503         game_status = GAME_MODE_PLAYING;
5504
5505         InitGame();
5506       }
5507       break;
5508
5509     case GADGET_ID_EXIT:
5510       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
5511       break;
5512
5513     default:
5514       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
5515           id <= GADGET_ID_ELEMENTLIST_LAST)
5516       {
5517         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
5518         int new_element = editor_elements[element_position + element_shift];
5519
5520         PickDrawingElement(button, new_element);
5521
5522 #if 1
5523         if (!stick_element_properties_window)
5524 #else
5525         if (!HAS_CONTENT(properties_element) ||
5526             !stick_element_properties_window)
5527 #endif
5528         {
5529           properties_element = new_element;
5530           if (edit_mode == ED_MODE_PROPERTIES)
5531             DrawPropertiesWindow();
5532         }
5533
5534         if (drawing_function == GADGET_ID_PICK_ELEMENT)
5535           ClickOnGadget(level_editor_gadget[last_drawing_function],
5536                         MB_LEFTBUTTON);
5537       }
5538 #ifdef DEBUG
5539       else if (gi->event.type == GD_EVENT_PRESSED)
5540         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
5541       else if (gi->event.type == GD_EVENT_RELEASED)
5542         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
5543       else if (gi->event.type == GD_EVENT_MOVING)
5544         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
5545       else
5546         printf("default: HandleControlButtons: ? (id == %d)\n", id);
5547 #endif
5548       break;
5549   }
5550 }
5551
5552 void HandleLevelEditorKeyInput(Key key)
5553 {
5554   char letter = getCharFromKey(key);
5555   int button = MB_LEFTBUTTON;
5556
5557   if (drawing_function == GADGET_ID_TEXT &&
5558       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
5559   {
5560     if (letter)
5561       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
5562     else if (key == KSYM_Delete || key == KSYM_BackSpace)
5563       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
5564     else if (key == KSYM_Return)
5565       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
5566     else if (key == KSYM_Escape)
5567       DrawLevelText(0, 0, 0, TEXT_END);
5568   }
5569   else if (button_status == MB_RELEASED)
5570   {
5571     int i, id = GADGET_ID_NONE;
5572
5573     switch (key)
5574     {
5575       case KSYM_Left:
5576         id = GADGET_ID_SCROLL_LEFT;
5577         break;
5578       case KSYM_Right:
5579         id = GADGET_ID_SCROLL_RIGHT;
5580         break;
5581       case KSYM_Up:
5582         id = GADGET_ID_SCROLL_UP;
5583         break;
5584       case KSYM_Down:
5585         id = GADGET_ID_SCROLL_DOWN;
5586         break;
5587       case KSYM_Page_Up:
5588         id = GADGET_ID_SCROLL_LIST_UP;
5589         button = MB_RIGHTBUTTON;
5590         break;
5591       case KSYM_Page_Down:
5592         id = GADGET_ID_SCROLL_LIST_DOWN;
5593         button = MB_RIGHTBUTTON;
5594         break;
5595
5596       case KSYM_Escape:
5597         if (edit_mode == ED_MODE_DRAWING)
5598         {
5599           RequestExitLevelEditor(setup.ask_on_escape);
5600         }
5601         else
5602         {
5603           DrawDrawingWindow();
5604           edit_mode = ED_MODE_DRAWING;
5605         }
5606         break;
5607
5608       default:
5609         break;
5610     }
5611
5612     if (id != GADGET_ID_NONE)
5613       ClickOnGadget(level_editor_gadget[id], button);
5614     else if (letter == '.')
5615       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
5616     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
5617       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
5618     else
5619       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
5620         if (letter && letter == control_info[i].shortcut)
5621           if (!anyTextGadgetActive())
5622             ClickOnGadget(level_editor_gadget[i], button);
5623   }
5624 }
5625
5626 void HandleLevelEditorIdle()
5627 {
5628   static unsigned long action_delay = 0;
5629   unsigned long action_delay_value = GameFrameDelay;
5630   int xpos = 1, ypos = 2;
5631
5632   if (edit_mode != ED_MODE_PROPERTIES)
5633     return;
5634
5635   if (!DelayReached(&action_delay, action_delay_value))
5636     return;
5637
5638   DrawGraphicAnimationExt(drawto,
5639                           SX + xpos * TILEX,
5640                           SY + ypos * TILEY + MINI_TILEY / 2,
5641                           el2img(properties_element), -1, NO_MASKING);
5642
5643   MarkTileDirty(xpos, ypos);
5644   MarkTileDirty(xpos, ypos + 1);
5645
5646   FrameCounter++;       /* increase animation frame counter */
5647 }
5648
5649 void ClearEditorGadgetInfoText()
5650 {
5651   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
5652 }
5653
5654 void HandleEditorGadgetInfoText(void *ptr)
5655 {
5656   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
5657   char infotext[MAX_OUTPUT_LINESIZE + 1];
5658   char shortcut[MAX_OUTPUT_LINESIZE + 1];
5659   int max_infotext_len = getMaxInfoTextLength();
5660
5661   if (game_status != GAME_MODE_EDITOR)
5662     return;
5663
5664   ClearEditorGadgetInfoText();
5665
5666   if (gi->event.type == GD_EVENT_INFO_LEAVING)
5667     return;
5668
5669   /* misuse this function to delete brush cursor, if needed */
5670   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
5671     DeleteBrushFromCursor();
5672
5673   if (gi == NULL || gi->info_text == NULL)
5674     return;
5675
5676   strncpy(infotext, gi->info_text, max_infotext_len);
5677   infotext[max_infotext_len] = '\0';
5678
5679   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
5680   {
5681     int key = control_info[gi->custom_id].shortcut;
5682
5683     if (key)
5684     {
5685       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
5686         sprintf(shortcut, " ('.' or '%c')", key);
5687       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
5688         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
5689       else                                              /* normal case */
5690         sprintf(shortcut, " ('%s%c')",
5691                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
5692
5693       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
5694         strcat(infotext, shortcut);
5695     }
5696   }
5697
5698   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
5699 }
5700
5701 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
5702 {
5703   static int start_lx, start_ly;
5704   char *infotext;
5705   int id = gi->custom_id;
5706   int sx = gi->event.x;
5707   int sy = gi->event.y;
5708   int lx = sx + level_xpos;
5709   int ly = sy + level_ypos;
5710   int min_sx = 0, min_sy = 0;
5711   int max_sx = gi->drawing.area_xsize - 1;
5712   int max_sy = gi->drawing.area_ysize - 1;
5713
5714   ClearEditorGadgetInfoText();
5715
5716   if (gi->event.type == GD_EVENT_INFO_LEAVING)
5717     return;
5718
5719   /* make sure to stay inside drawing area boundaries */
5720   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
5721   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
5722
5723   if (id == GADGET_ID_DRAWING_LEVEL)
5724   {
5725     if (button_status)
5726     {
5727       int min_lx = 0, min_ly = 0;
5728       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
5729
5730       /* get positions inside level field */
5731       lx = sx + level_xpos;
5732       ly = sy + level_ypos;
5733
5734       /* make sure to stay inside level field boundaries */
5735       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5736       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5737
5738       /* correct drawing area positions accordingly */
5739       sx = lx - level_xpos;
5740       sy = ly - level_ypos;
5741     }
5742
5743     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
5744     {
5745       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
5746       {
5747         if (gi->event.type == GD_EVENT_PRESSED)
5748         {
5749           start_lx = lx;
5750           start_ly = ly;
5751         }
5752
5753         switch (drawing_function)
5754         {
5755           case GADGET_ID_SINGLE_ITEMS:
5756             infotext = "Drawing single items";
5757             break;
5758           case GADGET_ID_CONNECTED_ITEMS:
5759             infotext = "Drawing connected items";
5760             break;
5761           case GADGET_ID_LINE:
5762             infotext = "Drawing line";
5763             break;
5764           case GADGET_ID_ARC:
5765             infotext = "Drawing arc";
5766             break;
5767           case GADGET_ID_TEXT:
5768             infotext = "Setting text cursor";
5769             break;
5770           case GADGET_ID_RECTANGLE:
5771             infotext = "Drawing rectangle";
5772             break;
5773           case GADGET_ID_FILLED_BOX:
5774             infotext = "Drawing filled box";
5775             break;
5776           case GADGET_ID_FLOOD_FILL:
5777             infotext = "Flood fill";
5778             break;
5779           case GADGET_ID_GRAB_BRUSH:
5780             infotext = "Grabbing brush";
5781             break;
5782           case GADGET_ID_PICK_ELEMENT:
5783             infotext = "Picking element";
5784             break;
5785
5786           default:
5787             infotext = "Drawing position";
5788             break;
5789         }
5790
5791         if (drawing_function == GADGET_ID_PICK_ELEMENT)
5792           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5793                     "%s: %d, %d", infotext, lx, ly);
5794         else
5795           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5796                     "%s: %d, %d", infotext,
5797                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
5798       }
5799       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
5800         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5801                   "%s", getElementInfoText(Feld[lx][ly]));
5802       else
5803         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5804                   "Level position: %d, %d", lx, ly);
5805     }
5806
5807     /* misuse this function to draw brush cursor, if needed */
5808     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
5809     {
5810       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5811         CopyBrushToCursor(sx, sy);
5812       else
5813         DeleteBrushFromCursor();
5814     }
5815   }
5816   else if (id == GADGET_ID_AMOEBA_CONTENT)
5817     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5818               "Amoeba content");
5819   else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5820     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5821               "Optional custom graphic element");
5822   else if (id == GADGET_ID_CUSTOM_CHANGED)
5823     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5824               "New element after change");
5825   else if (id == GADGET_ID_RANDOM_BACKGROUND)
5826     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5827               "Random placement background");
5828   else
5829     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5830               "Content area %d position: %d, %d",
5831               id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
5832 }
5833
5834 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
5835 {
5836   if (!ask_if_level_has_changed ||
5837       !LevelChanged() ||
5838       Request("Level has changed! Exit without saving ?",
5839               REQ_ASK | REQ_STAY_OPEN))
5840   {
5841     CloseDoor(DOOR_CLOSE_1);
5842     /*
5843     CloseDoor(DOOR_CLOSE_ALL);
5844     */
5845     game_status = GAME_MODE_MAIN;
5846     DrawMainMenu();
5847   }
5848   else
5849   {
5850     CloseDoor(DOOR_CLOSE_1);
5851     BlitBitmap(bitmap_db_door, bitmap_db_door,
5852                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
5853                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
5854     OpenDoor(DOOR_OPEN_1);
5855   }
5856 }