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_XPOS                (MINI_TILEX + 8)
  72 #define ED_SETTINGS_XPOS2               (3 * MINI_TILEX + 8)
  73 #define ED_SETTINGS_YPOS                MINI_TILEY
  74 #define ED_SETTINGS2_XPOS               MINI_TILEX
  75 #define ED_SETTINGS2_YPOS               (ED_SETTINGS_YPOS + 12 * TILEY - 2)
  76
  77 /* values for counter gadgets */
  78 #define ED_COUNT_ELEMENT_SCORE_XPOS     ED_SETTINGS_XPOS
  79 #define ED_COUNT_ELEMENT_SCORE_YPOS     (11 * MINI_TILEY)
  80 #define ED_COUNT_ELEMENT_CONTENT_XPOS   ED_SETTINGS_XPOS
  81 #define ED_COUNT_ELEMENT_CONTENT_YPOS   (19 * MINI_TILEY)
  82
  83 #define ED_COUNT_CHANGE_DELAY_XPOS      (ED_SETTINGS_XPOS2 + 9 * MINI_TILEX)
  84
  85 #define ED_COUNT_CHANGE_DELAY_XPOS      (ED_SETTINGS_XPOS2 + 9 * MINI_TILEX)
  86
  87 #define ED_COUNTER_YSTART               (ED_SETTINGS_YPOS + 2 * TILEY)
  88 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
  89 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
  90                                          n * ED_COUNTER_YDISTANCE)
  91 #define ED_COUNTER_YPOS2(n)             (ED_COUNTER_YSTART + \
  92                                          n * ED_COUNTER_YDISTANCE / 2)
  93 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
  94                                          n * ED_COUNTER_YDISTANCE - 2)
  95
  96 /* standard distances */
  97 #define ED_BORDER_SIZE                  3
  98 #define ED_BORDER2_SIZE                 5
  99 #define ED_GADGET_DISTANCE              2
 100
 101 /* values for element content drawing areas */
 102 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 103 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 104
 105 #define ED_AREA_ELEM_CONTENT2_XPOS      (20 * MINI_TILEX)
 106 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_COUNTER_YPOS2(5) + \
 107                                          ED_GADGET_DISTANCE)
 108
 109 /* values for random placement background drawing area */
 110 #define ED_AREA_RANDOM_BACKGROUND_XPOS  (29 * MINI_TILEX)
 111 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 112
 113 /* values for scrolling gadgets for drawing area */
 114 #define ED_SCROLLBUTTON_XPOS            24
 115 #define ED_SCROLLBUTTON_YPOS            0
 116 #define ED_SCROLLBAR_XPOS               24
 117 #define ED_SCROLLBAR_YPOS               64
 118
 119 #define ED_SCROLLBUTTON_XSIZE           16
 120 #define ED_SCROLLBUTTON_YSIZE           16
 121
 122 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 123 #define ED_SCROLL_UP_YPOS               (0)
 124 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 125 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 126 #define ED_SCROLL_LEFT_XPOS             (0)
 127 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 128 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 129 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 130 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 131 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 132 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 133 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 134 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 135 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 136 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 137 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 138
 139 /* values for scrolling gadgets for element list */
 140 #define ED_SCROLLBUTTON2_XPOS           50
 141 #define ED_SCROLLBUTTON2_YPOS           0
 142 #define ED_SCROLLBAR2_XPOS              50
 143 #define ED_SCROLLBAR2_YPOS              20
 144
 145 #define ED_SCROLLBUTTON2_XSIZE          10
 146 #define ED_SCROLLBUTTON2_YSIZE          10
 147
 148 #define ED_SCROLL2_UP_XPOS              85
 149 #define ED_SCROLL2_UP_YPOS              30
 150 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 151 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 152                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 153                                          ED_ELEMENTLIST_YSIZE - \
 154                                          ED_SCROLLBUTTON2_YSIZE)
 155 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 156 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 157                                          ED_SCROLLBUTTON2_YSIZE)
 158 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 159 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 160                                          ED_ELEMENTLIST_YSIZE - \
 161                                          2 * ED_SCROLLBUTTON2_YSIZE)
 162
 163 /* values for checkbutton gadgets */
 164 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 165 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 166 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 167 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 168 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 169 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 170 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 171
 172 /* some positions in the editor control window */
 173 #define ED_BUTTON_ELEM_XPOS             6
 174 #define ED_BUTTON_ELEM_YPOS             30
 175 #define ED_BUTTON_ELEM_XSIZE            22
 176 #define ED_BUTTON_ELEM_YSIZE            22
 177
 178 /* some values for text input, selectbox and counter gadgets */
 179 #define ED_BUTTON_COUNT_YPOS            60
 180 #define ED_BUTTON_COUNT_XSIZE           20
 181 #define ED_BUTTON_COUNT_YSIZE           20
 182 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 183 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 184 #define ED_WIN_COUNT_XSIZE              52
 185 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 186 #define ED_WIN_COUNT2_XPOS              27
 187 #define ED_WIN_COUNT2_YPOS              3
 188 #define ED_WIN_COUNT2_XSIZE             46
 189 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 190
 191 #define ED_BUTTON_MINUS_XPOS            2
 192 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 193 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 194 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 195 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 196                                          ED_WIN_COUNT_XSIZE + 2)
 197 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 198 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 199 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 200
 201 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 202 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 203                                          2 + ED_WIN_COUNT_YSIZE)
 204 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 205 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 206
 207 #define ED_SELECTBOX_CHANGE_UNITS_XPOS  (ED_SETTINGS_XPOS2 + \
 208                                          ED_CHECKBUTTON_XSIZE + \
 209                                          2 * ED_GADGET_DISTANCE)
 210
 211 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 212 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 213                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 214 #define ED_TEXTBUTTON_INACTIVE_YPOS     (ED_WIN_COUNT_YPOS + \
 215                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 216 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 217 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 218
 219 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 220 #define INFOTEXT_XPOS                   SX
 221 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 222 #define INFOTEXT_XSIZE                  SXSIZE
 223 #define INFOTEXT_YSIZE                  MINI_TILEX
 224
 225
 226 /*
 227   -----------------------------------------------------------------------------
 228   editor gadget definitions
 229   -----------------------------------------------------------------------------
 230 */
 231
 232 /* drawing toolbox buttons */
 233 #define GADGET_ID_NONE                  -1
 234 #define GADGET_ID_TOOLBOX_FIRST         0
 235
 236 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 237 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 238 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 239 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 240 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 241 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 242 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 243 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 244 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 245 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 246 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 247 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 248 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 249 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 250 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 251 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 252 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 253 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 254 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 255 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 256 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 257 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 258
 259 /* counter button identifiers */
 260 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 261
 262 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 263 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 264 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 265 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 266 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 267 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 268 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 269 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 270 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 271 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 272 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 273 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 274 #define GADGET_ID_LEVEL_COLLECT_DOWN    (GADGET_ID_COUNTER_FIRST + 12)
 275 #define GADGET_ID_LEVEL_COLLECT_TEXT    (GADGET_ID_COUNTER_FIRST + 13)
 276 #define GADGET_ID_LEVEL_COLLECT_UP      (GADGET_ID_COUNTER_FIRST + 14)
 277 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 278 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 279 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 280 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 281 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 282 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 283 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 284 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 285 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 286 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 287 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 288 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 289 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 27)
 290 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 28)
 291 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 29)
 292 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 30)
 293 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 31)
 294 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 32)
 295
 296 /* drawing area identifiers */
 297 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 33)
 298
 299 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 300 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 301 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 302 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 303 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 304 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 305 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 306 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 307 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 308 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 309 #define GADGET_ID_CUSTOM_CHANGED        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 310 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 11)
 311
 312 /* text input identifiers */
 313 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 12)
 314
 315 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 316 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 317
 318 /* selectbox identifiers */
 319 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 2)
 320
 321 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 0)
 322 #define GADGET_ID_CHANGE_CAUSE          (GADGET_ID_SELECTBOX_FIRST + 1)
 323
 324 /* textbutton identifiers */
 325 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 2)
 326
 327 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 328 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 329 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 330
 331 /* gadgets for scrolling of drawing area */
 332 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_TEXTBUTTON_FIRST + 3)
 333
 334 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 335 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 336 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 337 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 338 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 339 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 340
 341 /* gadgets for scrolling element list */
 342 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 343
 344 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 345 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 346 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 347
 348 /* buttons for level/element properties */
 349 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 350
 351 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 352 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 353 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 354 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 355 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 356 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 357 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 358 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 7)
 359 #define GADGET_ID_CUSTOM_DIGGABLE       (GADGET_ID_CHECKBUTTON_FIRST + 8)
 360 #define GADGET_ID_CUSTOM_COLLECTIBLE    (GADGET_ID_CHECKBUTTON_FIRST + 9)
 361 #define GADGET_ID_CUSTOM_PUSHABLE       (GADGET_ID_CHECKBUTTON_FIRST + 10)
 362 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 11)
 363 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 12)
 364 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 365 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 366 #define GADGET_ID_CUSTOM_WALKABLE_OVER  (GADGET_ID_CHECKBUTTON_FIRST + 15)
 367 #define GADGET_ID_CUSTOM_WALKABLE_INSIDE (GADGET_ID_CHECKBUTTON_FIRST+ 16)
 368 #define GADGET_ID_CUSTOM_WALKABLE_UNDER (GADGET_ID_CHECKBUTTON_FIRST + 17)
 369 #define GADGET_ID_CUSTOM_CHANGEABLE     (GADGET_ID_CHECKBUTTON_FIRST + 18)
 370 #define GADGET_ID_CHANGE_DELAY_FIXED    (GADGET_ID_CHECKBUTTON_FIRST + 19)
 371 #define GADGET_ID_CHANGE_DELAY_RANDOM   (GADGET_ID_CHECKBUTTON_FIRST + 20)
 372
 373 /* gadgets for buttons in element list */
 374 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 21)
 375 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 376                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 377
 378 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 379
 380 /* radio button numbers */
 381 #define RADIO_NR_NONE                   0
 382 #define RADIO_NR_DRAWING_TOOLBOX        1
 383 #define RADIO_NR_RANDOM_ELEMENTS        2
 384
 385 /* values for counter gadgets */
 386 #define ED_COUNTER_ID_SELECT_LEVEL      0
 387 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 388 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 389 #define ED_COUNTER_ID_LEVEL_COLLECT     3
 390 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 391 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 392 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 393 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 394 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 395 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  9
 396 #define ED_COUNTER_ID_CHANGE_DELAY_RND  10
 397
 398 #define ED_NUM_COUNTERBUTTONS           11
 399
 400 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 401 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 402
 403 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 404 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_DELAY_RND
 405
 406 /* values for scrollbutton gadgets */
 407 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 408 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 409 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 410 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 411 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 412 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 413
 414 #define ED_NUM_SCROLLBUTTONS            6
 415
 416 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 417 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 418
 419 /* values for scrollbar gadgets */
 420 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 421 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 422 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 423
 424 #define ED_NUM_SCROLLBARS               3
 425
 426 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 427 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 428
 429 /* values for text input gadgets */
 430 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 431 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 432
 433 #define ED_NUM_TEXTINPUT                2
 434
 435 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 436 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 437
 438 /* values for selectbox gadgets */
 439 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       0
 440 #define ED_SELECTBOX_ID_CHANGE_CAUSE            1
 441
 442 #define ED_NUM_SELECTBOX                        2
 443
 444 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 445 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_CHANGE_CAUSE
 446
 447 /* values for textbutton gadgets */
 448 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 449 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 450 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 451
 452 #define ED_NUM_TEXTBUTTON                       3
 453
 454 /* values for checkbutton gadgets */
 455 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 456 #define ED_CHECKBUTTON_ID_GRAVITY               1
 457 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 458 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 459 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 460 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 5
 461 #define ED_CHECKBUTTON_ID_CUSTOM_DIGGABLE       6
 462 #define ED_CHECKBUTTON_ID_CUSTOM_COLLECTIBLE    7
 463 #define ED_CHECKBUTTON_ID_CUSTOM_PUSHABLE       8
 464 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       9
 465 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      10
 466 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       11
 467 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       12
 468 #define ED_CHECKBUTTON_ID_CUSTOM_WALKABLE_OVER  13
 469 #define ED_CHECKBUTTON_ID_CUSTOM_WALKABLE_INSIDE 14
 470 #define ED_CHECKBUTTON_ID_CUSTOM_WALKABLE_UNDER 15
 471 #define ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE     16
 472 #define ED_CHECKBUTTON_ID_CHANGE_DELAY_FIXED    17
 473 #define ED_CHECKBUTTON_ID_CHANGE_DELAY_RANDOM   18
 474
 475 #define ED_NUM_CHECKBUTTONS                     19
 476
 477 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 478 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 479
 480 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 481 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_WALKABLE_UNDER
 482
 483 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE
 484 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_DELAY_RANDOM
 485
 486 /* values for radiobutton gadgets */
 487 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 488 #define ED_RADIOBUTTON_ID_QUANTITY      1
 489
 490 #define ED_NUM_RADIOBUTTONS             2
 491
 492 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 493 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 494
 495
 496 /*
 497   -----------------------------------------------------------------------------
 498   some internally used definitions
 499   -----------------------------------------------------------------------------
 500 */
 501
 502 /* values for CopyLevelToUndoBuffer() */
 503 #define UNDO_IMMEDIATE                  0
 504 #define UNDO_ACCUMULATE                 1
 505
 506 /* values for scrollbars */
 507 #define ED_SCROLL_NO                    0
 508 #define ED_SCROLL_LEFT                  1
 509 #define ED_SCROLL_RIGHT                 2
 510 #define ED_SCROLL_UP                    4
 511 #define ED_SCROLL_DOWN                  8
 512
 513 /* screens in the level editor */
 514 #define ED_MODE_DRAWING                 0
 515 #define ED_MODE_INFO                    1
 516 #define ED_MODE_PROPERTIES              2
 517
 518 /* sub-screens in the element properties section */
 519 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 520 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 521 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 522
 523 /* how many steps can be cancelled */
 524 #define NUM_UNDO_STEPS                  (10 + 1)
 525
 526 /* values for elements with score */
 527 #define MIN_SCORE                       0
 528 #define MAX_SCORE                       255
 529
 530 /* values for random placement */
 531 #define RANDOM_USE_PERCENTAGE           0
 532 #define RANDOM_USE_QUANTITY             1
 533
 534 /* maximal size of level editor drawing area */
 535 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 536 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 537
 538
 539 /*
 540   -----------------------------------------------------------------------------
 541   some internally used data structure definitions
 542   -----------------------------------------------------------------------------
 543 */
 544
 545 static struct
 546 {
 547   char shortcut;
 548   char *text;
 549 } control_info[ED_NUM_CTRL_BUTTONS] =
 550 {
 551   { 's',        "draw single items"             },
 552   { 'd',        "draw connected items"          },
 553   { 'l',        "draw lines"                    },
 554   { 'a',        "draw arcs"                     },
 555   { 'r',        "draw outline rectangles"       },
 556   { 'R',        "draw filled rectangles"        },
 557   { '\0',       "wrap (rotate) level up"        },
 558   { 't',        "enter text elements"           },
 559   { 'f',        "flood fill"                    },
 560   { '\0',       "wrap (rotate) level left"      },
 561   { '?',        "properties of drawing element" },
 562   { '\0',       "wrap (rotate) level right"     },
 563   { '\0',       "random element placement"      },
 564   { 'b',        "grab brush"                    },
 565   { '\0',       "wrap (rotate) level down"      },
 566   { ',',        "pick drawing element"          },
 567   { 'U',        "undo last operation"           },
 568   { 'I',        "level properties"              },
 569   { 'S',        "save level"                    },
 570   { 'C',        "clear level"                   },
 571   { 'T',        "test level"                    },
 572   { 'E',        "exit level editor"             }
 573 };
 574
 575 static int random_placement_value = 10;
 576 static int random_placement_method = RANDOM_USE_QUANTITY;
 577 static int random_placement_background_element = EL_SAND;
 578 static boolean random_placement_background_restricted = FALSE;
 579 static boolean stick_element_properties_window = FALSE;
 580 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 581 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 582 static struct CustomElementChangeInfo custom_element_change;
 583
 584 static struct
 585 {
 586   int x, y;
 587   int min_value, max_value;
 588   int gadget_id_down, gadget_id_up;
 589   int gadget_id_text;
 590   int *value;
 591   char *infotext_above, *infotext_right;
 592 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 593 {
 594   {
 595     DX + 5 - SX,                        DY + 3 - SY,
 596     1,                                  100,
 597     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 598     GADGET_ID_SELECT_LEVEL_TEXT,
 599     &level_nr,
 600     NULL,                               NULL
 601   },
 602   {
 603     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(2),
 604     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 605     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 606     GADGET_ID_LEVEL_XSIZE_TEXT,
 607     &level.fieldx,
 608     "playfield size",                   "width",
 609   },
 610   {
 611     ED_SETTINGS_XPOS + 2 * DXSIZE,      ED_COUNTER_YPOS(2),
 612     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 613     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 614     GADGET_ID_LEVEL_YSIZE_TEXT,
 615     &level.fieldy,
 616     NULL,                               "height",
 617   },
 618   {
 619     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(3),
 620     0,                                  999,
 621     GADGET_ID_LEVEL_COLLECT_DOWN,       GADGET_ID_LEVEL_COLLECT_UP,
 622     GADGET_ID_LEVEL_COLLECT_TEXT,
 623     &level.gems_needed,
 624     "number of emeralds to collect",    NULL
 625   },
 626   {
 627     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 628     0,                                  999,
 629     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 630     GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 631     &level.time,
 632     "time available to solve level",    "(0 => no time limit)"
 633   },
 634   {
 635     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(5),
 636     0,                                  255,
 637     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 638     GADGET_ID_LEVEL_TIMESCORE_TEXT,
 639     &level.score[SC_TIME_BONUS],
 640     "score for each 10 seconds left",   NULL
 641   },
 642   {
 643     ED_SETTINGS_XPOS,                   ED_COUNTER2_YPOS(8),
 644     1,                                  100,
 645     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 646     GADGET_ID_LEVEL_RANDOM_TEXT,
 647     &random_placement_value,
 648     "random element placement",         "in"
 649   },
 650   {
 651     ED_COUNT_ELEMENT_SCORE_XPOS,        ED_COUNT_ELEMENT_SCORE_YPOS,
 652     MIN_SCORE,                          MAX_SCORE,
 653     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 654     GADGET_ID_ELEMENT_SCORE_TEXT,
 655     NULL,                               /* will be set when used */
 656     "element score",                    NULL
 657   },
 658   {
 659     ED_COUNT_ELEMENT_CONTENT_XPOS,      ED_COUNT_ELEMENT_CONTENT_YPOS,
 660     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 661     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 662     GADGET_ID_ELEMENT_CONTENT_TEXT,
 663     &level.num_yam_contents,
 664     "element content",                  NULL
 665   },
 666   {
 667     ED_COUNT_CHANGE_DELAY_XPOS,         ED_COUNTER_YPOS2(6),
 668     0,                                  999,
 669     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 670     GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 671     &custom_element_change.delay_fixed,
 672     NULL,                               "units (fixed)"
 673   },
 674   {
 675     ED_COUNT_CHANGE_DELAY_XPOS,         ED_COUNTER_YPOS2(7),
 676     0,                                  999,
 677     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 678     GADGET_ID_CHANGE_DELAY_RND_TEXT,
 679     &custom_element_change.delay_random,
 680     NULL,                               "units (random)"
 681   }
 682 };
 683
 684 static struct
 685 {
 686   int x, y;
 687   int gadget_id;
 688   int size;
 689   char *value;
 690   char *infotext;
 691 } textinput_info[ED_NUM_TEXTINPUT] =
 692 {
 693   {
 694     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(0),
 695     GADGET_ID_LEVEL_NAME,
 696     MAX_LEVEL_NAME_LEN,
 697     level.name,
 698     "Title"
 699   },
 700   {
 701     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(1),
 702     GADGET_ID_LEVEL_AUTHOR,
 703     MAX_LEVEL_AUTHOR_LEN,
 704     level.author,
 705     "Author"
 706   }
 707 };
 708
 709 static struct ValueTextInfo options_change_time_units[] =
 710 {
 711   { 50, "seconds"               },
 712   { 1,  "frames"                },
 713   { -1, NULL                    }
 714 };
 715 static int index_change_time_units = 0;
 716
 717 static struct ValueTextInfo options_change_cause[] =
 718 {
 719   { 1,  "specified delay"       },
 720   { 2,  "impact (active)"       },
 721   { 3,  "impact (passive)"      },
 722   { 4,  "touched by player"     },
 723   { 5,  "pressed by player"     },
 724   { -1, NULL                    }
 725 };
 726 static int index_change_cause = 0, value_change_cause = 0;
 727
 728 static struct
 729 {
 730   int x, y;
 731   int gadget_id;
 732   int size;     /* size of selectbox (chars) or '0' (dynamically determined) */
 733   struct ValueTextInfo *options;
 734   int *index, *value;
 735   char *text, *infotext;
 736 } selectbox_info[ED_NUM_SELECTBOX] =
 737 {
 738   {
 739     ED_SELECTBOX_CHANGE_UNITS_XPOS,     ED_COUNTER_YPOS2(8),
 740     GADGET_ID_CHANGE_TIME_UNITS,
 741     0,
 742     options_change_time_units, &index_change_time_units,
 743     &custom_element_change.delay_frames,
 744     "delay units given in", "time units for change"
 745   },
 746   {
 747     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(8),
 748     GADGET_ID_CHANGE_CAUSE,
 749     0,
 750     options_change_cause, &index_change_cause,
 751     &value_change_cause,
 752     "test:", "test-selectbox entry"
 753   },
 754 };
 755
 756 static struct
 757 {
 758   int x, y;
 759   int gadget_id;
 760   int size;
 761   char *value;
 762   char *infotext;
 763 } textbutton_info[ED_NUM_TEXTBUTTON] =
 764 {
 765   {
 766     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(1),
 767     GADGET_ID_PROPERTIES_INFO,
 768     11, "Information",
 769     "Show information about element"
 770   },
 771   {
 772     ED_SETTINGS_XPOS + 166,             ED_COUNTER_YPOS(1),
 773     GADGET_ID_PROPERTIES_CONFIG,
 774     11, "Configure",
 775     "Configure element properties"
 776   },
 777   {
 778     ED_SETTINGS_XPOS + 332,             ED_COUNTER_YPOS(1),
 779     GADGET_ID_PROPERTIES_ADVANCED,
 780     11, "Advanced",
 781     "Advanced element configuration"
 782   },
 783 };
 784
 785 static struct
 786 {
 787   int xpos, ypos;
 788   int x, y;
 789   int gadget_id;
 790   char *infotext;
 791 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
 792 {
 793   {
 794     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
 795     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
 796     GADGET_ID_SCROLL_UP,
 797     "scroll level editing area up"
 798   },
 799   {
 800     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
 801     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
 802     GADGET_ID_SCROLL_DOWN,
 803     "scroll level editing area down"
 804   },
 805   {
 806     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
 807     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
 808     GADGET_ID_SCROLL_LEFT,
 809     "scroll level editing area left"
 810   },
 811   {
 812     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
 813     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
 814     GADGET_ID_SCROLL_RIGHT,
 815     "scroll level editing area right"
 816   },
 817   {
 818     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
 819     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
 820     GADGET_ID_SCROLL_LIST_UP,
 821     "scroll element list up ('Page Up')"
 822   },
 823   {
 824     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
 825     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
 826     GADGET_ID_SCROLL_LIST_DOWN,
 827     "scroll element list down ('Page Down')"
 828   }
 829 };
 830
 831 static struct
 832 {
 833   int xpos, ypos;
 834   int x, y;
 835   int width, height;
 836   int type;
 837   int gadget_id;
 838   char *infotext;
 839 } scrollbar_info[ED_NUM_SCROLLBARS] =
 840 {
 841   {
 842     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 843     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
 844     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
 845     GD_TYPE_SCROLLBAR_HORIZONTAL,
 846     GADGET_ID_SCROLL_HORIZONTAL,
 847     "scroll level editing area horizontally"
 848   },
 849   {
 850     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 851     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
 852     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
 853     GD_TYPE_SCROLLBAR_VERTICAL,
 854     GADGET_ID_SCROLL_VERTICAL,
 855     "scroll level editing area vertically"
 856   },
 857   {
 858     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
 859     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
 860     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
 861     GD_TYPE_SCROLLBAR_VERTICAL,
 862     GADGET_ID_SCROLL_LIST_VERTICAL,
 863     "scroll element list vertically"
 864   }
 865 };
 866
 867 static struct
 868 {
 869   int x, y;
 870   int gadget_id;
 871   int radio_button_nr;
 872   int *value;
 873   int checked_value;
 874   char *text, *infotext;
 875 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
 876 {
 877   {
 878     ED_SETTINGS_XPOS + 160,             ED_COUNTER2_YPOS(8),
 879     GADGET_ID_RANDOM_PERCENTAGE,
 880     RADIO_NR_RANDOM_ELEMENTS,
 881     &random_placement_method,           RANDOM_USE_PERCENTAGE,
 882     "percentage",                       "use percentage for random elements"
 883   },
 884   {
 885     ED_SETTINGS_XPOS + 340,             ED_COUNTER2_YPOS(8),
 886     GADGET_ID_RANDOM_QUANTITY,
 887     RADIO_NR_RANDOM_ELEMENTS,
 888     &random_placement_method,           RANDOM_USE_QUANTITY,
 889     "quantity",                         "use quantity for random elements"
 890   }
 891 };
 892
 893 static struct
 894 {
 895   int x, y;
 896   int gadget_id;
 897   boolean *value;
 898   char *text, *infotext;
 899 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
 900 {
 901   {
 902     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(6) - MINI_TILEY,
 903     GADGET_ID_DOUBLE_SPEED,
 904     &level.double_speed,
 905     "double speed movement",            "set movement speed of player"
 906   },
 907   {
 908     ED_SETTINGS_XPOS + 340,             ED_COUNTER_YPOS(6) - MINI_TILEY,
 909     GADGET_ID_GRAVITY,
 910     &level.gravity,
 911     "gravity",                          "set level gravity"
 912   },
 913   {
 914     ED_SETTINGS_XPOS,                   ED_COUNTER2_YPOS(9) - MINI_TILEY,
 915     GADGET_ID_RANDOM_RESTRICTED,
 916     &random_placement_background_restricted,
 917     "restrict random placement to",     "set random placement restriction"
 918   },
 919   {
 920     ED_SETTINGS_XPOS,                   0,      /* set at runtime */
 921     GADGET_ID_STICK_ELEMENT,
 922     &stick_element_properties_window,
 923     "stick this screen to edit content","stick this screen to edit content"
 924   },
 925   {
 926     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 927     GADGET_ID_EM_SLIPPERY_GEMS,
 928     &level.em_slippery_gems,
 929     "slip down from certain flat walls","use EM style slipping behaviour"
 930   },
 931   {
 932     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(6),
 933     GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 934     &custom_element_properties[EP_INDESTRUCTIBLE],
 935     "indestructible",                   "element cannot be destroyed"
 936   },
 937   {
 938     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(7),
 939     GADGET_ID_CUSTOM_DIGGABLE,
 940     &custom_element_properties[EP_DIGGABLE],
 941     "diggable",                         "element can be digged away"
 942   },
 943   {
 944     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(8),
 945     GADGET_ID_CUSTOM_COLLECTIBLE,
 946     &custom_element_properties[EP_COLLECTIBLE],
 947     "collectible",                      "element can be collected"
 948   },
 949   {
 950     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(9),
 951     GADGET_ID_CUSTOM_PUSHABLE,
 952     &custom_element_properties[EP_PUSHABLE],
 953     "pushable",                         "element can be pushed"
 954   },
 955   {
 956     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(10),
 957     GADGET_ID_CUSTOM_CAN_FALL,
 958     &custom_element_properties[EP_CAN_FALL],
 959     "can fall",                         "element can fall down"
 960   },
 961   {
 962     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(11),
 963     GADGET_ID_CUSTOM_CAN_SMASH,
 964     &custom_element_properties[EP_CAN_SMASH],
 965     "can smash",                        "element can smash other elements"
 966   },
 967   {
 968     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(12),
 969     GADGET_ID_CUSTOM_CAN_MOVE,
 970     &custom_element_properties[EP_CAN_MOVE],
 971     "can move",                         "element can move in some direction"
 972   },
 973   {
 974     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(13),
 975     GADGET_ID_CUSTOM_SLIPPERY,
 976     &custom_element_properties[EP_SLIPPERY],
 977     "slippery",                         "other elements can fall down from it"
 978   },
 979   {
 980     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(14),
 981     GADGET_ID_CUSTOM_WALKABLE_OVER,
 982     &custom_element_properties[EP_WALKABLE_OVER],
 983     "player can walk over",             "player can walk over this element"
 984   },
 985   {
 986     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(15),
 987     GADGET_ID_CUSTOM_WALKABLE_INSIDE,
 988     &custom_element_properties[EP_WALKABLE_INSIDE],
 989     "player can walk inside",           "player can walk inside this element"
 990   },
 991   {
 992     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(16),
 993     GADGET_ID_CUSTOM_WALKABLE_UNDER,
 994     &custom_element_properties[EP_WALKABLE_UNDER],
 995     "player can walk under",            "player can walk under this element"
 996   },
 997   {
 998     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(5),
 999     GADGET_ID_CUSTOM_CHANGEABLE,
1000     &custom_element_properties[EP_CHANGEABLE],
1001     "element changes to    after:",     "element can change to other element"
1002   },
1003   {
1004     ED_SETTINGS_XPOS2,                  ED_COUNTER_YPOS2(6),
1005     GADGET_ID_CHANGE_DELAY_FIXED,
1006     &custom_element_change_events[CE_DELAY_FIXED],
1007     "delay of",                         "element changes after fixed delay"
1008   },
1009   {
1010     ED_SETTINGS_XPOS2,                  ED_COUNTER_YPOS2(7),
1011     GADGET_ID_CHANGE_DELAY_RANDOM,
1012     &custom_element_change_events[CE_DELAY_RANDOM],
1013     "delay of",                         "element changes after random delay"
1014   }
1015 };
1016
1017
1018 /*
1019   -----------------------------------------------------------------------------
1020   some internally used variables
1021   -----------------------------------------------------------------------------
1022 */
1023
1024 /* actual size of level editor drawing area */
1025 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1026
1027 /* actual position of level editor drawing area in level playfield */
1028 static int level_xpos = -1, level_ypos = -1;
1029
1030 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1031
1032 /* drawing elements on the three mouse buttons */
1033 static int new_element1 = EL_WALL;
1034 static int new_element2 = EL_EMPTY;
1035 static int new_element3 = EL_SAND;
1036
1037 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1038                                 (button) == 2 ? new_element2 : \
1039                                 (button) == 3 ? new_element3 : EL_EMPTY)
1040 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1041
1042 /* forward declaration for internal use */
1043 static void ModifyEditorCounter(int, int);
1044 static void ModifyEditorCounterLimits(int, int, int);
1045 static void ModifyEditorSelectbox(int, int);
1046 static void DrawDrawingWindow();
1047 static void DrawLevelInfoWindow();
1048 static void DrawPropertiesWindow();
1049 static void CopyLevelToUndoBuffer(int);
1050 static void HandleDrawingAreas(struct GadgetInfo *);
1051 static void HandleCounterButtons(struct GadgetInfo *);
1052 static void HandleTextInputGadgets(struct GadgetInfo *);
1053 static void HandleSelectboxGadgets(struct GadgetInfo *);
1054 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1055 static void HandleRadiobuttons(struct GadgetInfo *);
1056 static void HandleCheckbuttons(struct GadgetInfo *);
1057 static void HandleControlButtons(struct GadgetInfo *);
1058 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1059
1060 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1061
1062 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1063 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1064 static boolean draw_with_brush = FALSE;
1065 static int properties_element = 0;
1066
1067 static short ElementContent[MAX_ELEMENT_CONTENTS][3][3];
1068 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1069 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1070 static int undo_buffer_position = 0;
1071 static int undo_buffer_steps = 0;
1072
1073 static int edit_mode;
1074 static int edit_mode_properties;
1075
1076 static int element_shift = 0;
1077
1078 static int editor_el_boulderdash[] =
1079 {
1080   EL_CHAR('B'),
1081   EL_CHAR('O'),
1082   EL_CHAR('U'),
1083   EL_CHAR('L'),
1084
1085   EL_CHAR('-'),
1086   EL_CHAR('D'),
1087   EL_CHAR('E'),
1088   EL_CHAR('R'),
1089
1090   EL_CHAR('D'),
1091   EL_CHAR('A'),
1092   EL_CHAR('S'),
1093   EL_CHAR('H'),
1094
1095   EL_PLAYER_1,
1096   EL_EMPTY,
1097   EL_SAND,
1098   EL_STEELWALL,
1099
1100   EL_BD_WALL,
1101   EL_BD_MAGIC_WALL,
1102   EL_EXIT_CLOSED,
1103   EL_EXIT_OPEN,
1104
1105   EL_BD_DIAMOND,
1106   EL_BD_BUTTERFLY_UP,
1107   EL_BD_FIREFLY_UP,
1108   EL_BD_ROCK,
1109
1110   EL_BD_BUTTERFLY_LEFT,
1111   EL_BD_FIREFLY_LEFT,
1112   EL_BD_BUTTERFLY_RIGHT,
1113   EL_BD_FIREFLY_RIGHT,
1114
1115   EL_BD_AMOEBA,
1116   EL_BD_BUTTERFLY_DOWN,
1117   EL_BD_FIREFLY_DOWN,
1118   EL_EMPTY,
1119 };
1120 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1121
1122 static int editor_el_emerald_mine[] =
1123 {
1124   EL_CHAR('E'),
1125   EL_CHAR('M'),
1126   EL_CHAR('E'),
1127   EL_CHAR('-'),
1128
1129   EL_CHAR('R'),
1130   EL_CHAR('A'),
1131   EL_CHAR('L'),
1132   EL_CHAR('D'),
1133
1134   EL_CHAR('M'),
1135   EL_CHAR('I'),
1136   EL_CHAR('N'),
1137   EL_CHAR('E'),
1138
1139   EL_PLAYER_1,
1140   EL_PLAYER_2,
1141   EL_PLAYER_3,
1142   EL_PLAYER_4,
1143
1144   EL_PLAYER_1,
1145   EL_EMPTY,
1146   EL_SAND,
1147   EL_ROCK,
1148
1149   EL_STEELWALL,
1150   EL_WALL,
1151   EL_WALL_CRUMBLED,
1152   EL_MAGIC_WALL,
1153
1154   EL_EMERALD,
1155   EL_DIAMOND,
1156   EL_NUT,
1157   EL_BOMB,
1158
1159   EL_WALL_EMERALD,
1160   EL_WALL_DIAMOND,
1161   EL_QUICKSAND_EMPTY,
1162   EL_QUICKSAND_FULL,
1163
1164   EL_DYNAMITE,
1165   EL_DYNAMITE_ACTIVE,
1166   EL_EXIT_CLOSED,
1167   EL_EXIT_OPEN,
1168
1169   EL_YAMYAM,
1170   EL_BUG_UP,
1171   EL_SPACESHIP_UP,
1172   EL_ROBOT,
1173
1174   EL_BUG_LEFT,
1175   EL_SPACESHIP_LEFT,
1176   EL_BUG_RIGHT,
1177   EL_SPACESHIP_RIGHT,
1178
1179   EL_ROBOT_WHEEL,
1180   EL_BUG_DOWN,
1181   EL_SPACESHIP_DOWN,
1182   EL_INVISIBLE_WALL,
1183
1184   EL_ACID_POOL_TOPLEFT,
1185   EL_ACID,
1186   EL_ACID_POOL_TOPRIGHT,
1187   EL_EMPTY,
1188
1189   EL_ACID_POOL_BOTTOMLEFT,
1190   EL_ACID_POOL_BOTTOM,
1191   EL_ACID_POOL_BOTTOMRIGHT,
1192   EL_EMPTY,
1193
1194   EL_AMOEBA_DROP,
1195   EL_AMOEBA_DEAD,
1196   EL_AMOEBA_WET,
1197   EL_AMOEBA_DRY,
1198
1199   EL_EM_KEY_1_FILE,
1200   EL_EM_KEY_2_FILE,
1201   EL_EM_KEY_3_FILE,
1202   EL_EM_KEY_4_FILE,
1203
1204   EL_EM_GATE_1,
1205   EL_EM_GATE_2,
1206   EL_EM_GATE_3,
1207   EL_EM_GATE_4,
1208
1209   EL_EM_GATE_1_GRAY,
1210   EL_EM_GATE_2_GRAY,
1211   EL_EM_GATE_3_GRAY,
1212   EL_EM_GATE_4_GRAY,
1213 };
1214 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1215
1216 static int editor_el_more[] =
1217 {
1218   EL_CHAR('M'),
1219   EL_CHAR('O'),
1220   EL_CHAR('R'),
1221   EL_CHAR('E'),
1222
1223   EL_KEY_1,
1224   EL_KEY_2,
1225   EL_KEY_3,
1226   EL_KEY_4,
1227
1228   EL_GATE_1,
1229   EL_GATE_2,
1230   EL_GATE_3,
1231   EL_GATE_4,
1232
1233   EL_GATE_1_GRAY,
1234   EL_GATE_2_GRAY,
1235   EL_GATE_3_GRAY,
1236   EL_GATE_4_GRAY,
1237
1238   EL_ARROW_LEFT,
1239   EL_ARROW_RIGHT,
1240   EL_ARROW_UP,
1241   EL_ARROW_DOWN,
1242
1243   EL_AMOEBA_FULL,
1244   EL_EMERALD_YELLOW,
1245   EL_EMERALD_RED,
1246   EL_EMERALD_PURPLE,
1247
1248   EL_WALL_BD_DIAMOND,
1249   EL_WALL_EMERALD_YELLOW,
1250   EL_WALL_EMERALD_RED,
1251   EL_WALL_EMERALD_PURPLE,
1252
1253   EL_GAME_OF_LIFE,
1254   EL_PACMAN_UP,
1255   EL_TIME_ORB_FULL,
1256   EL_TIME_ORB_EMPTY,
1257
1258   EL_PACMAN_LEFT,
1259   EL_DARK_YAMYAM,
1260   EL_PACMAN_RIGHT,
1261   EL_EXPANDABLE_WALL,
1262
1263   EL_BIOMAZE,
1264   EL_PACMAN_DOWN,
1265   EL_LAMP,
1266   EL_LAMP_ACTIVE,
1267
1268   EL_DYNABOMB_INCREASE_NUMBER,
1269   EL_DYNABOMB_INCREASE_SIZE,
1270   EL_DYNABOMB_INCREASE_POWER,
1271   EL_STONEBLOCK,
1272
1273   EL_MOLE,
1274   EL_PENGUIN,
1275   EL_PIG,
1276   EL_DRAGON,
1277
1278   EL_EMPTY,
1279   EL_MOLE_UP,
1280   EL_EMPTY,
1281   EL_EMPTY,
1282
1283   EL_MOLE_LEFT,
1284   EL_EMPTY,
1285   EL_MOLE_RIGHT,
1286   EL_EMPTY,
1287
1288   EL_EMPTY,
1289   EL_MOLE_DOWN,
1290   EL_BALLOON,
1291   EL_BALLOON_SWITCH_ANY,
1292
1293   EL_BALLOON_SWITCH_LEFT,
1294   EL_BALLOON_SWITCH_RIGHT,
1295   EL_BALLOON_SWITCH_UP,
1296   EL_BALLOON_SWITCH_DOWN,
1297
1298   EL_SATELLITE,
1299   EL_EXPANDABLE_WALL_HORIZONTAL,
1300   EL_EXPANDABLE_WALL_VERTICAL,
1301   EL_EXPANDABLE_WALL_ANY,
1302
1303   EL_INVISIBLE_STEELWALL,
1304   EL_INVISIBLE_WALL,
1305   EL_SPEED_PILL,
1306   EL_BLACK_ORB,
1307
1308   EL_EMC_STEELWALL_1,
1309   EL_EMC_WALL_1,
1310   EL_EMC_WALL_2,
1311   EL_EMC_WALL_3,
1312
1313   EL_EMC_WALL_4,
1314   EL_EMC_WALL_5,
1315   EL_EMC_WALL_6,
1316   EL_EMC_WALL_7,
1317 };
1318 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1319
1320 static int editor_el_sokoban[] =
1321 {
1322   EL_CHAR('S'),
1323   EL_CHAR('O'),
1324   EL_CHAR('K'),
1325   EL_CHAR('O'),
1326
1327   EL_CHAR('-'),
1328   EL_CHAR('B'),
1329   EL_CHAR('A'),
1330   EL_CHAR('N'),
1331
1332   EL_SOKOBAN_OBJECT,
1333   EL_SOKOBAN_FIELD_EMPTY,
1334   EL_SOKOBAN_FIELD_FULL,
1335   EL_STEELWALL,
1336 };
1337 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1338
1339 static int editor_el_supaplex[] =
1340 {
1341   EL_CHAR('S'),
1342   EL_CHAR('U'),
1343   EL_CHAR('P'),
1344   EL_CHAR('A'),
1345
1346   EL_CHAR('P'),
1347   EL_CHAR('L'),
1348   EL_CHAR('E'),
1349   EL_CHAR('X'),
1350
1351   EL_SP_EMPTY,
1352   EL_SP_ZONK,
1353   EL_SP_BASE,
1354   EL_SP_MURPHY,
1355
1356   EL_SP_INFOTRON,
1357   EL_SP_CHIP_SINGLE,
1358   EL_SP_HARDWARE_GRAY,
1359   EL_SP_EXIT_CLOSED,
1360
1361   EL_SP_DISK_ORANGE,
1362   EL_SP_PORT_RIGHT,
1363   EL_SP_PORT_DOWN,
1364   EL_SP_PORT_LEFT,
1365
1366   EL_SP_PORT_UP,
1367   EL_SP_GRAVITY_PORT_RIGHT,
1368   EL_SP_GRAVITY_PORT_DOWN,
1369   EL_SP_GRAVITY_PORT_LEFT,
1370
1371   EL_SP_GRAVITY_PORT_UP,
1372   EL_SP_SNIKSNAK,
1373   EL_SP_DISK_YELLOW,
1374   EL_SP_TERMINAL,
1375
1376   EL_SP_DISK_RED,
1377   EL_SP_PORT_VERTICAL,
1378   EL_SP_PORT_HORIZONTAL,
1379   EL_SP_PORT_ANY,
1380
1381   EL_SP_ELECTRON,
1382   EL_SP_BUGGY_BASE,
1383   EL_SP_CHIP_LEFT,
1384   EL_SP_CHIP_RIGHT,
1385
1386   EL_SP_HARDWARE_BASE_1,
1387   EL_SP_HARDWARE_GREEN,
1388   EL_SP_HARDWARE_BLUE,
1389   EL_SP_HARDWARE_RED,
1390
1391   EL_SP_HARDWARE_YELLOW,
1392   EL_SP_HARDWARE_BASE_2,
1393   EL_SP_HARDWARE_BASE_3,
1394   EL_SP_HARDWARE_BASE_4,
1395
1396   EL_SP_HARDWARE_BASE_5,
1397   EL_SP_HARDWARE_BASE_6,
1398   EL_SP_CHIP_TOP,
1399   EL_SP_CHIP_BOTTOM,
1400 };
1401 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1402
1403 static int editor_el_diamond_caves[] =
1404 {
1405   EL_CHAR('D'),
1406   EL_CHAR('I'),
1407   EL_CHAR('A'),
1408   EL_CHAR('-'),
1409
1410   EL_CHAR('M'),
1411   EL_CHAR('O'),
1412   EL_CHAR('N'),
1413   EL_CHAR('D'),
1414
1415   EL_CHAR('C'),
1416   EL_CHAR('A'),
1417   EL_CHAR('V'),
1418   EL_CHAR('E'),
1419
1420   EL_CHAR('S'),
1421   EL_CHAR(' '),
1422   EL_CHAR('I'),
1423   EL_CHAR('I'),
1424
1425   EL_PEARL,
1426   EL_CRYSTAL,
1427   EL_WALL_PEARL,
1428   EL_WALL_CRYSTAL,
1429
1430   EL_CONVEYOR_BELT_1_LEFT,
1431   EL_CONVEYOR_BELT_1_MIDDLE,
1432   EL_CONVEYOR_BELT_1_RIGHT,
1433   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1434
1435   EL_CONVEYOR_BELT_2_LEFT,
1436   EL_CONVEYOR_BELT_2_MIDDLE,
1437   EL_CONVEYOR_BELT_2_RIGHT,
1438   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1439
1440   EL_CONVEYOR_BELT_3_LEFT,
1441   EL_CONVEYOR_BELT_3_MIDDLE,
1442   EL_CONVEYOR_BELT_3_RIGHT,
1443   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1444
1445   EL_CONVEYOR_BELT_4_LEFT,
1446   EL_CONVEYOR_BELT_4_MIDDLE,
1447   EL_CONVEYOR_BELT_4_RIGHT,
1448   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1449
1450   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1451   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1452   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1453   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1454
1455   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1456   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1457   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1458   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1459
1460   EL_SWITCHGATE_OPEN,
1461   EL_SWITCHGATE_CLOSED,
1462   EL_SWITCHGATE_SWITCH_UP,
1463   EL_ENVELOPE,
1464
1465   EL_TIMEGATE_CLOSED,
1466   EL_TIMEGATE_OPEN,
1467   EL_TIMEGATE_SWITCH,
1468   EL_EMPTY,
1469
1470   EL_LANDMINE,
1471   EL_INVISIBLE_SAND,
1472   EL_STEELWALL_SLANTED,
1473   EL_EMPTY,
1474
1475   EL_SIGN_EXCLAMATION,
1476   EL_SIGN_STOP,
1477   EL_LIGHT_SWITCH,
1478   EL_LIGHT_SWITCH_ACTIVE,
1479
1480   EL_SHIELD_NORMAL,
1481   EL_SHIELD_DEADLY,
1482   EL_EXTRA_TIME,
1483   EL_EMPTY,
1484 };
1485 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1486
1487 static int editor_el_dx_boulderdash[] =
1488 {
1489   EL_CHAR('D'),
1490   EL_CHAR('X'),
1491   EL_CHAR('-'),
1492   EL_CHAR(' '),
1493
1494   EL_CHAR('B'),
1495   EL_CHAR('O'),
1496   EL_CHAR('U'),
1497   EL_CHAR('L'),
1498
1499   EL_CHAR('-'),
1500   EL_CHAR('D'),
1501   EL_CHAR('E'),
1502   EL_CHAR('R'),
1503
1504   EL_CHAR('D'),
1505   EL_CHAR('A'),
1506   EL_CHAR('S'),
1507   EL_CHAR('H'),
1508
1509   EL_SPRING,
1510   EL_TUBE_RIGHT_DOWN,
1511   EL_TUBE_HORIZONTAL_DOWN,
1512   EL_TUBE_LEFT_DOWN,
1513
1514   EL_TUBE_HORIZONTAL,
1515   EL_TUBE_VERTICAL_RIGHT,
1516   EL_TUBE_ANY,
1517   EL_TUBE_VERTICAL_LEFT,
1518
1519   EL_TUBE_VERTICAL,
1520   EL_TUBE_RIGHT_UP,
1521   EL_TUBE_HORIZONTAL_UP,
1522   EL_TUBE_LEFT_UP,
1523
1524   EL_TRAP,
1525   EL_DX_SUPABOMB,
1526   EL_EMPTY,
1527   EL_EMPTY
1528 };
1529 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
1530
1531 static int editor_el_chars[] =
1532 {
1533   EL_CHAR('T'),
1534   EL_CHAR('E'),
1535   EL_CHAR('X'),
1536   EL_CHAR('T'),
1537
1538   EL_CHAR(' '),
1539   EL_CHAR('!'),
1540   EL_CHAR('"'),
1541   EL_CHAR('#'),
1542
1543   EL_CHAR('$'),
1544   EL_CHAR('%'),
1545   EL_CHAR('&'),
1546   EL_CHAR('\''),
1547
1548   EL_CHAR('('),
1549   EL_CHAR(')'),
1550   EL_CHAR('*'),
1551   EL_CHAR('+'),
1552
1553   EL_CHAR(','),
1554   EL_CHAR('-'),
1555   EL_CHAR('.'),
1556   EL_CHAR('/'),
1557
1558   EL_CHAR('0'),
1559   EL_CHAR('1'),
1560   EL_CHAR('2'),
1561   EL_CHAR('3'),
1562
1563   EL_CHAR('4'),
1564   EL_CHAR('5'),
1565   EL_CHAR('6'),
1566   EL_CHAR('7'),
1567
1568   EL_CHAR('8'),
1569   EL_CHAR('9'),
1570   EL_CHAR(':'),
1571   EL_CHAR(';'),
1572
1573   EL_CHAR('<'),
1574   EL_CHAR('='),
1575   EL_CHAR('>'),
1576   EL_CHAR('?'),
1577
1578   EL_CHAR('@'),
1579   EL_CHAR('A'),
1580   EL_CHAR('B'),
1581   EL_CHAR('C'),
1582
1583   EL_CHAR('D'),
1584   EL_CHAR('E'),
1585   EL_CHAR('F'),
1586   EL_CHAR('G'),
1587
1588   EL_CHAR('H'),
1589   EL_CHAR('I'),
1590   EL_CHAR('J'),
1591   EL_CHAR('K'),
1592
1593   EL_CHAR('L'),
1594   EL_CHAR('M'),
1595   EL_CHAR('N'),
1596   EL_CHAR('O'),
1597
1598   EL_CHAR('P'),
1599   EL_CHAR('Q'),
1600   EL_CHAR('R'),
1601   EL_CHAR('S'),
1602
1603   EL_CHAR('T'),
1604   EL_CHAR('U'),
1605   EL_CHAR('V'),
1606   EL_CHAR('W'),
1607
1608   EL_CHAR('X'),
1609   EL_CHAR('Y'),
1610   EL_CHAR('Z'),
1611   EL_CHAR('['),
1612
1613   EL_CHAR('\\'),
1614   EL_CHAR(']'),
1615   EL_CHAR('^'),
1616   EL_CHAR('_'),
1617
1618   EL_CHAR('©'),
1619   EL_CHAR('Ä'),
1620   EL_CHAR('Ö'),
1621   EL_CHAR('Ü'),
1622
1623   EL_CHAR('°'),
1624   EL_CHAR('®'),
1625   EL_CHAR(FONT_ASCII_CURSOR),
1626   EL_CHAR(' ')
1627 };
1628 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
1629
1630 static int editor_el_custom[] =
1631 {
1632   EL_CHAR('C'),
1633   EL_CHAR('U'),
1634   EL_CHAR('S'),
1635   EL_CHAR('-'),
1636
1637   EL_CHAR('T'),
1638   EL_CHAR('O'),
1639   EL_CHAR('M'),
1640   EL_CHAR(' '),
1641
1642   EL_CHAR('E'),
1643   EL_CHAR('L'),
1644   EL_CHAR('E'),
1645   EL_CHAR('M'),
1646
1647   EL_CHAR('E'),
1648   EL_CHAR('N'),
1649   EL_CHAR('T'),
1650   EL_CHAR('S'),
1651
1652   EL_CUSTOM_START + 0,
1653   EL_CUSTOM_START + 1,
1654   EL_CUSTOM_START + 2,
1655   EL_CUSTOM_START + 3,
1656
1657   EL_CUSTOM_START + 4,
1658   EL_CUSTOM_START + 5,
1659   EL_CUSTOM_START + 6,
1660   EL_CUSTOM_START + 7,
1661
1662   EL_CUSTOM_START + 8,
1663   EL_CUSTOM_START + 9,
1664   EL_CUSTOM_START + 10,
1665   EL_CUSTOM_START + 11,
1666
1667   EL_CUSTOM_START + 12,
1668   EL_CUSTOM_START + 13,
1669   EL_CUSTOM_START + 14,
1670   EL_CUSTOM_START + 15,
1671
1672   EL_CUSTOM_START + 16,
1673   EL_CUSTOM_START + 17,
1674   EL_CUSTOM_START + 18,
1675   EL_CUSTOM_START + 19,
1676
1677   EL_CUSTOM_START + 20,
1678   EL_CUSTOM_START + 21,
1679   EL_CUSTOM_START + 22,
1680   EL_CUSTOM_START + 23,
1681
1682   EL_CUSTOM_START + 24,
1683   EL_CUSTOM_START + 25,
1684   EL_CUSTOM_START + 26,
1685   EL_CUSTOM_START + 27,
1686
1687   EL_CUSTOM_START + 28,
1688   EL_CUSTOM_START + 29,
1689   EL_CUSTOM_START + 30,
1690   EL_CUSTOM_START + 31,
1691
1692   EL_CUSTOM_START + 32,
1693   EL_CUSTOM_START + 33,
1694   EL_CUSTOM_START + 34,
1695   EL_CUSTOM_START + 35,
1696
1697   EL_CUSTOM_START + 36,
1698   EL_CUSTOM_START + 37,
1699   EL_CUSTOM_START + 38,
1700   EL_CUSTOM_START + 39,
1701
1702   EL_CUSTOM_START + 40,
1703   EL_CUSTOM_START + 41,
1704   EL_CUSTOM_START + 42,
1705   EL_CUSTOM_START + 43,
1706
1707   EL_CUSTOM_START + 44,
1708   EL_CUSTOM_START + 45,
1709   EL_CUSTOM_START + 46,
1710   EL_CUSTOM_START + 47,
1711
1712   EL_CUSTOM_START + 48,
1713   EL_CUSTOM_START + 49,
1714   EL_CUSTOM_START + 50,
1715   EL_CUSTOM_START + 51,
1716
1717   EL_CUSTOM_START + 52,
1718   EL_CUSTOM_START + 53,
1719   EL_CUSTOM_START + 54,
1720   EL_CUSTOM_START + 55,
1721
1722   EL_CUSTOM_START + 56,
1723   EL_CUSTOM_START + 57,
1724   EL_CUSTOM_START + 58,
1725   EL_CUSTOM_START + 59,
1726
1727   EL_CUSTOM_START + 60,
1728   EL_CUSTOM_START + 61,
1729   EL_CUSTOM_START + 62,
1730   EL_CUSTOM_START + 63,
1731
1732   EL_CUSTOM_START + 64,
1733   EL_CUSTOM_START + 65,
1734   EL_CUSTOM_START + 66,
1735   EL_CUSTOM_START + 67,
1736
1737   EL_CUSTOM_START + 68,
1738   EL_CUSTOM_START + 69,
1739   EL_CUSTOM_START + 70,
1740   EL_CUSTOM_START + 71,
1741
1742   EL_CUSTOM_START + 72,
1743   EL_CUSTOM_START + 73,
1744   EL_CUSTOM_START + 74,
1745   EL_CUSTOM_START + 75,
1746
1747   EL_CUSTOM_START + 76,
1748   EL_CUSTOM_START + 77,
1749   EL_CUSTOM_START + 78,
1750   EL_CUSTOM_START + 79,
1751
1752   EL_CUSTOM_START + 80,
1753   EL_CUSTOM_START + 81,
1754   EL_CUSTOM_START + 82,
1755   EL_CUSTOM_START + 83,
1756
1757   EL_CUSTOM_START + 84,
1758   EL_CUSTOM_START + 85,
1759   EL_CUSTOM_START + 86,
1760   EL_CUSTOM_START + 87,
1761
1762   EL_CUSTOM_START + 88,
1763   EL_CUSTOM_START + 89,
1764   EL_CUSTOM_START + 90,
1765   EL_CUSTOM_START + 91,
1766
1767   EL_CUSTOM_START + 92,
1768   EL_CUSTOM_START + 93,
1769   EL_CUSTOM_START + 94,
1770   EL_CUSTOM_START + 95,
1771
1772   EL_CUSTOM_START + 96,
1773   EL_CUSTOM_START + 97,
1774   EL_CUSTOM_START + 98,
1775   EL_CUSTOM_START + 99,
1776
1777   EL_CUSTOM_START + 100,
1778   EL_CUSTOM_START + 101,
1779   EL_CUSTOM_START + 102,
1780   EL_CUSTOM_START + 103,
1781
1782   EL_CUSTOM_START + 104,
1783   EL_CUSTOM_START + 105,
1784   EL_CUSTOM_START + 106,
1785   EL_CUSTOM_START + 107,
1786
1787   EL_CUSTOM_START + 108,
1788   EL_CUSTOM_START + 109,
1789   EL_CUSTOM_START + 110,
1790   EL_CUSTOM_START + 111,
1791
1792   EL_CUSTOM_START + 112,
1793   EL_CUSTOM_START + 113,
1794   EL_CUSTOM_START + 114,
1795   EL_CUSTOM_START + 115,
1796
1797   EL_CUSTOM_START + 116,
1798   EL_CUSTOM_START + 117,
1799   EL_CUSTOM_START + 118,
1800   EL_CUSTOM_START + 119,
1801
1802   EL_CUSTOM_START + 120,
1803   EL_CUSTOM_START + 121,
1804   EL_CUSTOM_START + 122,
1805   EL_CUSTOM_START + 123,
1806
1807   EL_CUSTOM_START + 124,
1808   EL_CUSTOM_START + 125,
1809   EL_CUSTOM_START + 126,
1810   EL_CUSTOM_START + 127
1811 };
1812 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
1813
1814 static int *editor_elements = NULL;     /* dynamically allocated */
1815 static int num_editor_elements = 0;     /* dynamically determined */
1816
1817 static struct
1818 {
1819   boolean *setup_value;
1820   int *element_list;
1821   int *element_list_size;
1822
1823   boolean last_setup_value;
1824 }
1825 editor_elements_info[] =
1826 {
1827   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
1828     &num_editor_el_boulderdash                                          },
1829   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
1830     &num_editor_el_emerald_mine                                         },
1831   { &setup.editor.el_more,              editor_el_more,
1832     &num_editor_el_more                                                 },
1833   { &setup.editor.el_sokoban,           editor_el_sokoban,
1834     &num_editor_el_sokoban                                              },
1835   { &setup.editor.el_supaplex,          editor_el_supaplex,
1836     &num_editor_el_supaplex                                             },
1837   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
1838     &num_editor_el_diamond_caves                                        },
1839   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
1840     &num_editor_el_dx_boulderdash                                       },
1841   { &setup.editor.el_chars,             editor_el_chars,
1842     &num_editor_el_chars                                                },
1843   { &setup.editor.el_custom,            editor_el_custom,
1844     &num_editor_el_custom                                               },
1845   { NULL,                               NULL,
1846     NULL                                                                }
1847 };
1848
1849
1850 /*
1851   -----------------------------------------------------------------------------
1852   functions
1853   -----------------------------------------------------------------------------
1854 */
1855
1856 static void ReinitializeElementList()
1857 {
1858   int pos = 0;
1859   int i, j;
1860
1861   if (editor_elements != NULL)
1862     free(editor_elements);
1863
1864   num_editor_elements = 0;
1865
1866   /* determine size of element list */
1867   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1868     if (*editor_elements_info[i].setup_value)
1869       num_editor_elements += *editor_elements_info[i].element_list_size;
1870
1871   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
1872   {
1873     /* workaround: offer at least as many elements as element buttons exist */
1874     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
1875
1876     *editor_elements_info[list_nr].setup_value = TRUE;
1877     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
1878   }
1879
1880   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
1881
1882   /* fill element list */
1883   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1884     if (*editor_elements_info[i].setup_value)
1885       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
1886         editor_elements[pos++] = editor_elements_info[i].element_list[j];
1887 }
1888
1889 static void ReinitializeElementListButtons()
1890 {
1891   static boolean initialization_needed = TRUE;
1892   int i;
1893
1894   if (!initialization_needed)   /* check if editor element setup has changed */
1895     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1896       if (editor_elements_info[i].last_setup_value !=
1897           *editor_elements_info[i].setup_value)
1898         initialization_needed = TRUE;
1899
1900   if (!initialization_needed)
1901     return;
1902
1903   FreeLevelEditorGadgets();
1904   CreateLevelEditorGadgets();
1905
1906   /* store current setup values for next invocation of this function */
1907   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1908     editor_elements_info[i].last_setup_value =
1909       *editor_elements_info[i].setup_value;
1910
1911   initialization_needed = FALSE;
1912 }
1913
1914 static int getCounterGadgetWidth()
1915 {
1916   return (DXSIZE + getFontWidth(FONT_INPUT_1) - 2 * ED_GADGET_DISTANCE);
1917 }
1918
1919 static int getMaxInfoTextLength()
1920 {
1921   return (SXSIZE / getFontWidth(FONT_TEXT_2));
1922 }
1923
1924 static char *getElementInfoText(int element)
1925 {
1926   char *info_text = NULL;
1927
1928   if (element < NUM_FILE_ELEMENTS)
1929   {
1930     if (element_info[element].custom_description != NULL)
1931       info_text = element_info[element].custom_description;
1932     else if (element_info[element].editor_description != NULL)
1933       info_text = element_info[element].editor_description;
1934   }
1935
1936   if (info_text == NULL)
1937   {
1938     info_text = "unknown";
1939
1940     Error(ERR_WARN, "no element description for element %d", element);
1941   }
1942
1943   return info_text;
1944 }
1945
1946 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
1947 {
1948   int x,y;
1949   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
1950   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
1951
1952   BlitBitmap(drawto, drawto,
1953              SX + (dx == -1 ? MINI_TILEX : 0),
1954              SY + (dy == -1 ? MINI_TILEY : 0),
1955              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
1956              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
1957              SX + (dx == +1 ? MINI_TILEX : 0),
1958              SY + (dy == +1 ? MINI_TILEY : 0));
1959   if (dx)
1960   {
1961     x = (dx == 1 ? 0 : ed_fieldx - 1);
1962     for(y=0; y<ed_fieldy; y++)
1963       DrawMiniElementOrWall(x, y, from_x, from_y);
1964   }
1965   else if (dy)
1966   {
1967     y = (dy == 1 ? 0 : ed_fieldy - 1);
1968     for(x=0; x<ed_fieldx; x++)
1969       DrawMiniElementOrWall(x, y, from_x, from_y);
1970   }
1971
1972   redraw_mask |= REDRAW_FIELD;
1973   BackToFront();
1974 }
1975
1976 static void CreateControlButtons()
1977 {
1978   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
1979   struct GadgetInfo *gi;
1980   unsigned long event_mask;
1981   int i;
1982
1983   /* create toolbox buttons */
1984   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
1985   {
1986     int id = i;
1987     int width, height;
1988     int gd_xoffset, gd_yoffset;
1989     int gd_x1, gd_x2, gd_y1, gd_y2;
1990     int button_type;
1991     int radio_button_nr;
1992     boolean checked;
1993
1994     if (id == GADGET_ID_SINGLE_ITEMS ||
1995         id == GADGET_ID_CONNECTED_ITEMS ||
1996         id == GADGET_ID_LINE ||
1997         id == GADGET_ID_ARC ||
1998         id == GADGET_ID_TEXT ||
1999         id == GADGET_ID_RECTANGLE ||
2000         id == GADGET_ID_FILLED_BOX ||
2001         id == GADGET_ID_FLOOD_FILL ||
2002         id == GADGET_ID_GRAB_BRUSH ||
2003         id == GADGET_ID_PICK_ELEMENT)
2004     {
2005       button_type = GD_TYPE_RADIO_BUTTON;
2006       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
2007       checked = (id == drawing_function ? TRUE : FALSE);
2008       event_mask = GD_EVENT_PRESSED;
2009     }
2010     else
2011     {
2012       button_type = GD_TYPE_NORMAL_BUTTON;
2013       radio_button_nr = RADIO_NR_NONE;
2014       checked = FALSE;
2015
2016       if (id == GADGET_ID_WRAP_LEFT ||
2017           id == GADGET_ID_WRAP_RIGHT ||
2018           id == GADGET_ID_WRAP_UP ||
2019           id == GADGET_ID_WRAP_DOWN)
2020         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2021       else
2022         event_mask = GD_EVENT_RELEASED;
2023     }
2024
2025     if (id < ED_NUM_CTRL1_BUTTONS)
2026     {
2027       int x = i % ED_CTRL1_BUTTONS_HORIZ;
2028       int y = i / ED_CTRL1_BUTTONS_HORIZ;
2029
2030       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
2031       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
2032       width = ED_CTRL1_BUTTON_XSIZE;
2033       height = ED_CTRL1_BUTTON_YSIZE;
2034     }
2035     else
2036     {
2037       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
2038       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
2039
2040       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
2041       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
2042       width = ED_CTRL2_BUTTON_XSIZE;
2043       height = ED_CTRL2_BUTTON_YSIZE;
2044     }
2045
2046     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
2047     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
2048     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
2049     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
2050
2051     gi = CreateGadget(GDI_CUSTOM_ID, id,
2052                       GDI_CUSTOM_TYPE_ID, i,
2053                       GDI_INFO_TEXT, control_info[i].text,
2054                       GDI_X, EX + gd_xoffset,
2055                       GDI_Y, EY + gd_yoffset,
2056                       GDI_WIDTH, width,
2057                       GDI_HEIGHT, height,
2058                       GDI_TYPE, button_type,
2059                       GDI_STATE, GD_BUTTON_UNPRESSED,
2060                       GDI_RADIO_NR, radio_button_nr,
2061                       GDI_CHECKED, checked,
2062                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2063                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2064                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2065                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2066                       GDI_EVENT_MASK, event_mask,
2067                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2068                       GDI_CALLBACK_ACTION, HandleControlButtons,
2069                       GDI_END);
2070
2071     if (gi == NULL)
2072       Error(ERR_EXIT, "cannot create gadget");
2073
2074     level_editor_gadget[id] = gi;
2075   }
2076
2077   /* create buttons for scrolling of drawing area and element list */
2078   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
2079   {
2080     int id = scrollbutton_info[i].gadget_id;
2081     int x, y, width, height;
2082     int gd_x1, gd_x2, gd_y1, gd_y2;
2083
2084     x = scrollbutton_info[i].x;
2085     y = scrollbutton_info[i].y;
2086
2087     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2088
2089     if (id == GADGET_ID_SCROLL_LIST_UP ||
2090         id == GADGET_ID_SCROLL_LIST_DOWN)
2091     {
2092       x += DX;
2093       y += DY;
2094       width = ED_SCROLLBUTTON2_XSIZE;
2095       height = ED_SCROLLBUTTON2_YSIZE;
2096       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
2097       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
2098       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
2099       gd_y2 = gd_y1;
2100     }
2101     else
2102     {
2103       x += SX;
2104       y += SY;
2105       width = ED_SCROLLBUTTON_XSIZE;
2106       height = ED_SCROLLBUTTON_YSIZE;
2107       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
2108       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
2109       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2110       gd_y2 = gd_y1;
2111     }
2112
2113     gi = CreateGadget(GDI_CUSTOM_ID, id,
2114                       GDI_CUSTOM_TYPE_ID, i,
2115                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2116                       GDI_X, x,
2117                       GDI_Y, y,
2118                       GDI_WIDTH, width,
2119                       GDI_HEIGHT, height,
2120                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2121                       GDI_STATE, GD_BUTTON_UNPRESSED,
2122                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2123                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2124                       GDI_EVENT_MASK, event_mask,
2125                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2126                       GDI_CALLBACK_ACTION, HandleControlButtons,
2127                       GDI_END);
2128
2129     if (gi == NULL)
2130       Error(ERR_EXIT, "cannot create gadget");
2131
2132     level_editor_gadget[id] = gi;
2133   }
2134
2135   /* create buttons for element list */
2136   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2137   {
2138     Bitmap *deco_bitmap;
2139     int deco_x, deco_y, deco_xpos, deco_ypos;
2140     int gd_xoffset, gd_yoffset;
2141     int gd_x1, gd_x2, gd_y;
2142     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
2143     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
2144     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
2145     int element = editor_elements[i];
2146
2147     event_mask = GD_EVENT_RELEASED;
2148
2149     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
2150     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
2151
2152     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
2153     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
2154     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
2155
2156     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
2157     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
2158     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
2159
2160     gi = CreateGadget(GDI_CUSTOM_ID, id,
2161                       GDI_CUSTOM_TYPE_ID, i,
2162                       GDI_INFO_TEXT, getElementInfoText(element),
2163                       GDI_X, DX + gd_xoffset,
2164                       GDI_Y, DY + gd_yoffset,
2165                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
2166                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
2167                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2168                       GDI_STATE, GD_BUTTON_UNPRESSED,
2169                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2170                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2171                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2172                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2173                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2174                       GDI_DECORATION_SHIFTING, 1, 1,
2175                       GDI_EVENT_MASK, event_mask,
2176                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2177                       GDI_CALLBACK_ACTION, HandleControlButtons,
2178                       GDI_END);
2179
2180     if (gi == NULL)
2181       Error(ERR_EXIT, "cannot create gadget");
2182
2183     level_editor_gadget[id] = gi;
2184   }
2185 }
2186
2187 static void CreateCounterButtons()
2188 {
2189   int max_infotext_len = getMaxInfoTextLength();
2190   int i;
2191
2192   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
2193   {
2194     int j;
2195     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
2196     int ypos = SY + counterbutton_info[i].y;
2197
2198     for (j=0; j<2; j++)
2199     {
2200       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2201       struct GadgetInfo *gi;
2202       int id = (j == 0 ?
2203                 counterbutton_info[i].gadget_id_down :
2204                 counterbutton_info[i].gadget_id_up);
2205       int gd_xoffset;
2206       int gd_x, gd_x1, gd_x2, gd_y;
2207       int x_size, y_size;
2208       unsigned long event_mask;
2209       char infotext[max_infotext_len + 1];
2210
2211       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2212
2213       if (i == ED_COUNTER_ID_SELECT_LEVEL)
2214       {
2215         int sid = (j == 0 ?
2216                    ED_SCROLLBUTTON_ID_AREA_LEFT :
2217                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
2218
2219         event_mask |= GD_EVENT_RELEASED;
2220
2221         if (j == 1)
2222           xpos += 2 * ED_GADGET_DISTANCE;
2223         ypos += ED_GADGET_DISTANCE;
2224
2225         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].xpos;
2226         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2227         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].ypos;
2228         x_size = ED_SCROLLBUTTON_XSIZE;
2229         y_size = ED_SCROLLBUTTON_YSIZE;
2230       }
2231       else
2232       {
2233         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
2234         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2235         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2236         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
2237         x_size = ED_BUTTON_COUNT_XSIZE;
2238         y_size = ED_BUTTON_COUNT_YSIZE;
2239       }
2240
2241       sprintf(infotext, "%s counter value by 1, 5 or 10",
2242               (j == 0 ? "decrease" : "increase"));
2243
2244       gi = CreateGadget(GDI_CUSTOM_ID, id,
2245                         GDI_CUSTOM_TYPE_ID, i,
2246                         GDI_INFO_TEXT, infotext,
2247                         GDI_X, xpos,
2248                         GDI_Y, ypos,
2249                         GDI_WIDTH, x_size,
2250                         GDI_HEIGHT, y_size,
2251                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2252                         GDI_STATE, GD_BUTTON_UNPRESSED,
2253                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2254                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2255                         GDI_EVENT_MASK, event_mask,
2256                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2257                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2258                         GDI_END);
2259
2260       if (gi == NULL)
2261         Error(ERR_EXIT, "cannot create gadget");
2262
2263       level_editor_gadget[id] = gi;
2264       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
2265
2266       if (j == 0)
2267       {
2268         int font_type = FONT_INPUT_1;
2269         int font_type_active = FONT_INPUT_1_ACTIVE;
2270         int gd_width = ED_WIN_COUNT_XSIZE;
2271
2272         id = counterbutton_info[i].gadget_id_text;
2273         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2274
2275         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2276         {
2277           font_type = FONT_LEVEL_NUMBER;
2278           font_type_active = FONT_LEVEL_NUMBER;
2279
2280           xpos += 2 * ED_GADGET_DISTANCE;
2281           ypos -= ED_GADGET_DISTANCE;
2282
2283           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2284           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2285           gd_width = ED_WIN_COUNT2_XSIZE;
2286         }
2287         else
2288         {
2289           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2290           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2291         }
2292
2293         gi = CreateGadget(GDI_CUSTOM_ID, id,
2294                           GDI_CUSTOM_TYPE_ID, i,
2295                           GDI_INFO_TEXT, "enter counter value",
2296                           GDI_X, xpos,
2297                           GDI_Y, ypos,
2298                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2299                           GDI_NUMBER_VALUE, 0,
2300                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2301                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2302                           GDI_TEXT_SIZE, 3,
2303                           GDI_TEXT_FONT, font_type,
2304                           GDI_TEXT_FONT_ACTIVE, font_type_active,
2305                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2306                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2307                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2308                           GDI_DESIGN_WIDTH, gd_width,
2309                           GDI_EVENT_MASK, event_mask,
2310                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2311                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2312                           GDI_END);
2313
2314         if (gi == NULL)
2315           Error(ERR_EXIT, "cannot create gadget");
2316
2317         level_editor_gadget[id] = gi;
2318         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
2319       }
2320     }
2321   }
2322 }
2323
2324 static void CreateDrawingAreas()
2325 {
2326   struct GadgetInfo *gi;
2327   unsigned long event_mask;
2328   int id;
2329   int i;
2330
2331   event_mask =
2332     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
2333     GD_EVENT_OFF_BORDERS;
2334
2335   /* one for the level drawing area ... */
2336   id = GADGET_ID_DRAWING_LEVEL;
2337   gi = CreateGadget(GDI_CUSTOM_ID, id,
2338                     GDI_X, SX,
2339                     GDI_Y, SY,
2340                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2341                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2342                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2343                     GDI_EVENT_MASK, event_mask,
2344                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2345                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2346                     GDI_END);
2347
2348   if (gi == NULL)
2349     Error(ERR_EXIT, "cannot create gadget");
2350
2351   level_editor_gadget[id] = gi;
2352
2353   /* ... up to eight areas for element content ... */
2354   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2355   {
2356     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
2357     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
2358
2359     id = GADGET_ID_ELEMENT_CONTENT_0 + i;
2360     gi = CreateGadget(GDI_CUSTOM_ID, id,
2361                       GDI_CUSTOM_TYPE_ID, i,
2362                       GDI_X, gx,
2363                       GDI_Y, gy,
2364                       GDI_WIDTH, 3 * MINI_TILEX,
2365                       GDI_HEIGHT, 3 * MINI_TILEY,
2366                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2367                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2368                       GDI_EVENT_MASK, event_mask,
2369                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2370                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2371                       GDI_END);
2372
2373     if (gi == NULL)
2374       Error(ERR_EXIT, "cannot create gadget");
2375
2376     level_editor_gadget[id] = gi;
2377   }
2378
2379   /* ... one for the amoeba content ... */
2380   id = GADGET_ID_AMOEBA_CONTENT;
2381   gi = CreateGadget(GDI_CUSTOM_ID, id,
2382                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2383                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2384                     GDI_WIDTH, MINI_TILEX,
2385                     GDI_HEIGHT, MINI_TILEY,
2386                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2387                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2388                     GDI_EVENT_MASK, event_mask,
2389                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2390                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2391                     GDI_END);
2392
2393   if (gi == NULL)
2394     Error(ERR_EXIT, "cannot create gadget");
2395
2396   level_editor_gadget[id] = gi;
2397
2398   /* ... one for each custom element change target element ... */
2399   id = GADGET_ID_CUSTOM_CHANGED;
2400   gi = CreateGadget(GDI_CUSTOM_ID, id,
2401                     GDI_X, SX + ED_AREA_ELEM_CONTENT2_XPOS,
2402                     GDI_Y, SY + ED_AREA_ELEM_CONTENT2_YPOS,
2403                     GDI_WIDTH, MINI_TILEX,
2404                     GDI_HEIGHT, MINI_TILEY,
2405                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2406                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2407                     GDI_EVENT_MASK, event_mask,
2408                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2409                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2410                     GDI_END);
2411
2412   if (gi == NULL)
2413     Error(ERR_EXIT, "cannot create gadget");
2414
2415   level_editor_gadget[id] = gi;
2416
2417   /* ... and one for random placement background restrictions */
2418
2419   id = GADGET_ID_RANDOM_BACKGROUND;
2420   gi = CreateGadget(GDI_CUSTOM_ID, id,
2421                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2422                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2423                     GDI_WIDTH, MINI_TILEX,
2424                     GDI_HEIGHT, MINI_TILEY,
2425                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2426                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2427                     GDI_EVENT_MASK, event_mask,
2428                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2429                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2430                     GDI_END);
2431
2432   if (gi == NULL)
2433     Error(ERR_EXIT, "cannot create gadget");
2434
2435   level_editor_gadget[id] = gi;
2436 }
2437
2438 static void CreateTextInputGadgets()
2439 {
2440   int max_infotext_len = getMaxInfoTextLength();
2441   int i;
2442
2443   for (i=0; i<ED_NUM_TEXTINPUT; i++)
2444   {
2445     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2446     int gd_x, gd_y;
2447     struct GadgetInfo *gi;
2448     unsigned long event_mask;
2449     char infotext[MAX_OUTPUT_LINESIZE + 1];
2450     int id = textinput_info[i].gadget_id;
2451
2452     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2453
2454     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2455     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2456
2457     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
2458     infotext[max_infotext_len] = '\0';
2459
2460     gi = CreateGadget(GDI_CUSTOM_ID, id,
2461                       GDI_CUSTOM_TYPE_ID, i,
2462                       GDI_INFO_TEXT, infotext,
2463                       GDI_X, SX + textinput_info[i].x,
2464                       GDI_Y, SY + textinput_info[i].y,
2465                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
2466                       GDI_TEXT_VALUE, textinput_info[i].value,
2467                       GDI_TEXT_SIZE, textinput_info[i].size,
2468                       GDI_TEXT_FONT, FONT_INPUT_1,
2469                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2470                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2471                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2472                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2473                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2474                       GDI_EVENT_MASK, event_mask,
2475                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2476                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
2477                       GDI_END);
2478
2479     if (gi == NULL)
2480       Error(ERR_EXIT, "cannot create gadget");
2481
2482     level_editor_gadget[id] = gi;
2483   }
2484 }
2485
2486 static void CreateSelectboxGadgets()
2487 {
2488   int max_infotext_len = getMaxInfoTextLength();
2489   int i, j;
2490
2491   for (i=0; i<ED_NUM_SELECTBOX; i++)
2492   {
2493     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2494     int gd_x, gd_y;
2495     int xoffset;
2496     struct GadgetInfo *gi;
2497     unsigned long event_mask;
2498     char infotext[MAX_OUTPUT_LINESIZE + 1];
2499     int id = selectbox_info[i].gadget_id;
2500
2501     /* (we cannot use -1 for uninitialized values if we directly compare
2502        with results from strlen(), because the '<' and '>' operation will
2503        implicitely cast -1 to an unsigned integer value!) */
2504
2505     if (selectbox_info[i].size == 0)    /* dynamically determined */
2506       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
2507         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
2508           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
2509
2510     event_mask = GD_EVENT_RELEASED |
2511       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2512
2513     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
2514     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
2515
2516     xoffset = (getFontWidth(FONT_TEXT_1) * strlen(selectbox_info[i].text) +
2517                2 * ED_GADGET_DISTANCE);
2518
2519     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
2520     infotext[max_infotext_len] = '\0';
2521
2522     gi = CreateGadget(GDI_CUSTOM_ID, id,
2523                       GDI_CUSTOM_TYPE_ID, i,
2524                       GDI_INFO_TEXT, infotext,
2525                       GDI_X, SX + selectbox_info[i].x + xoffset,
2526                       GDI_Y, SY + selectbox_info[i].y,
2527                       GDI_TYPE, GD_TYPE_SELECTBOX,
2528                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
2529                       GDI_SELECTBOX_INDEX, selectbox_info[i].index,
2530                       GDI_TEXT_SIZE, selectbox_info[i].size,
2531                       GDI_TEXT_FONT, FONT_INPUT_1,
2532                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2533                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2534                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2535                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2536                       GDI_BORDER_SIZE_SELECTBUTTON, getFontWidth(FONT_INPUT_1),
2537                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2538                       GDI_EVENT_MASK, event_mask,
2539                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2540                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
2541                       GDI_END);
2542
2543     if (gi == NULL)
2544       Error(ERR_EXIT, "cannot create gadget");
2545
2546     level_editor_gadget[id] = gi;
2547   }
2548 }
2549
2550 static void CreateTextbuttonGadgets()
2551 {
2552   int max_infotext_len = getMaxInfoTextLength();
2553   int i;
2554
2555   for (i=0; i<ED_NUM_TEXTBUTTON; i++)
2556   {
2557     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2558     int gd_x1, gd_x2, gd_y1, gd_y2;
2559     struct GadgetInfo *gi;
2560     unsigned long event_mask;
2561     char infotext[MAX_OUTPUT_LINESIZE + 1];
2562     int id = textbutton_info[i].gadget_id;
2563
2564     event_mask = GD_EVENT_RELEASED;
2565
2566     gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
2567     gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
2568     gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
2569     gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
2570
2571     sprintf(infotext, "%s", textbutton_info[i].infotext);
2572     infotext[max_infotext_len] = '\0';
2573
2574     gi = CreateGadget(GDI_CUSTOM_ID, id,
2575                       GDI_CUSTOM_TYPE_ID, i,
2576                       GDI_INFO_TEXT, infotext,
2577                       GDI_X, SX + textbutton_info[i].x,
2578                       GDI_Y, SY + textbutton_info[i].y,
2579                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
2580                       GDI_TEXT_VALUE, textbutton_info[i].value,
2581                       GDI_TEXT_SIZE, textbutton_info[i].size,
2582                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
2583                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
2584                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2585                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2586                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2587                       GDI_BORDER_SIZE, ED_BORDER2_SIZE, ED_BORDER_SIZE,
2588                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2589                       GDI_DECORATION_SHIFTING, 1, 1,
2590                       GDI_EVENT_MASK, event_mask,
2591                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2592                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
2593                       GDI_END);
2594
2595     if (gi == NULL)
2596       Error(ERR_EXIT, "cannot create gadget");
2597
2598     level_editor_gadget[id] = gi;
2599   }
2600 }
2601
2602 static void CreateScrollbarGadgets()
2603 {
2604   int i;
2605
2606   for (i=0; i<ED_NUM_SCROLLBARS; i++)
2607   {
2608     int id = scrollbar_info[i].gadget_id;
2609     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2610     int gd_x1, gd_x2, gd_y1, gd_y2;
2611     struct GadgetInfo *gi;
2612     int items_max, items_visible, item_position;
2613     unsigned long event_mask;
2614
2615     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
2616     {
2617       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
2618       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
2619       item_position = 0;
2620     }
2621     else        /* drawing area scrollbars */
2622     {
2623       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
2624       {
2625         items_max = MAX(lev_fieldx + 2, ed_fieldx);
2626         items_visible = ed_fieldx;
2627         item_position = 0;
2628       }
2629       else
2630       {
2631         items_max = MAX(lev_fieldy + 2, ed_fieldy);
2632         items_visible = ed_fieldy;
2633         item_position = 0;
2634       }
2635     }
2636
2637     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2638
2639     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].xpos;
2640     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
2641                       scrollbar_info[i].height : scrollbar_info[i].width));
2642     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2643     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2644
2645     gi = CreateGadget(GDI_CUSTOM_ID, id,
2646                       GDI_CUSTOM_TYPE_ID, i,
2647                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2648                       GDI_X, scrollbar_info[i].x,
2649                       GDI_Y, scrollbar_info[i].y,
2650                       GDI_WIDTH, scrollbar_info[i].width,
2651                       GDI_HEIGHT, scrollbar_info[i].height,
2652                       GDI_TYPE, scrollbar_info[i].type,
2653                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2654                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2655                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2656                       GDI_STATE, GD_BUTTON_UNPRESSED,
2657                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2658                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2659                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2660                       GDI_EVENT_MASK, event_mask,
2661                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2662                       GDI_CALLBACK_ACTION, HandleControlButtons,
2663                       GDI_END);
2664
2665     if (gi == NULL)
2666       Error(ERR_EXIT, "cannot create gadget");
2667
2668     level_editor_gadget[id] = gi;
2669   }
2670 }
2671
2672 static void CreateCheckbuttonGadgets()
2673 {
2674   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2675   struct GadgetInfo *gi;
2676   unsigned long event_mask;
2677   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
2678   boolean checked;
2679   int i;
2680
2681   event_mask = GD_EVENT_PRESSED;
2682
2683   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2684   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2685   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
2686   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
2687   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
2688
2689   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
2690   {
2691     int id = radiobutton_info[i].gadget_id;
2692
2693     checked =
2694       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2695
2696     gi = CreateGadget(GDI_CUSTOM_ID, id,
2697                       GDI_CUSTOM_TYPE_ID, i,
2698                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
2699                       GDI_X, SX + radiobutton_info[i].x,
2700                       GDI_Y, SY + radiobutton_info[i].y,
2701                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2702                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2703                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
2704                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
2705                       GDI_CHECKED, checked,
2706                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2707                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2708                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2709                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2710                       GDI_EVENT_MASK, event_mask,
2711                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2712                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
2713                       GDI_END);
2714
2715     if (gi == NULL)
2716       Error(ERR_EXIT, "cannot create gadget");
2717
2718     level_editor_gadget[id] = gi;
2719   }
2720
2721   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
2722   {
2723     int id = checkbutton_info[i].gadget_id;
2724
2725     if (id == GADGET_ID_STICK_ELEMENT)
2726       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
2727     else
2728       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
2729
2730     gi = CreateGadget(GDI_CUSTOM_ID, id,
2731                       GDI_CUSTOM_TYPE_ID, i,
2732                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
2733                       GDI_X, SX + checkbutton_info[i].x,
2734                       GDI_Y, SY + checkbutton_info[i].y,
2735                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2736                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2737                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
2738                       GDI_CHECKED, *checkbutton_info[i].value,
2739                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2740                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2741                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2742                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2743                       GDI_EVENT_MASK, event_mask,
2744                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2745                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
2746                       GDI_END);
2747
2748     if (gi == NULL)
2749       Error(ERR_EXIT, "cannot create gadget");
2750
2751     level_editor_gadget[id] = gi;
2752   }
2753 }
2754
2755 void CreateLevelEditorGadgets()
2756 {
2757   int old_game_status = game_status;
2758
2759   /* setting 'game_status' is needed to get the right fonts for the editor */
2760   game_status = GAME_MODE_EDITOR;
2761
2762   ReinitializeElementList();
2763
2764   CreateControlButtons();
2765   CreateCounterButtons();
2766   CreateDrawingAreas();
2767   CreateTextInputGadgets();
2768   CreateSelectboxGadgets();
2769   CreateTextbuttonGadgets();
2770   CreateScrollbarGadgets();
2771   CreateCheckbuttonGadgets();
2772
2773   game_status = old_game_status;
2774 }
2775
2776 void FreeLevelEditorGadgets()
2777 {
2778   int i;
2779
2780   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2781     FreeGadget(level_editor_gadget[i]);
2782 }
2783
2784 static void MapCounterButtons(int id)
2785 {
2786   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
2787   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
2788   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
2789 }
2790
2791 static void MapControlButtons()
2792 {
2793   int counter_id;
2794   int i;
2795
2796   /* map toolbox buttons */
2797   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2798     MapGadget(level_editor_gadget[i]);
2799
2800   /* map buttons to select elements */
2801   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2802     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
2803   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
2804   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
2805   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
2806
2807   /* map buttons to select level */
2808   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
2809   ModifyEditorCounterLimits(counter_id,
2810                             leveldir_current->first_level,
2811                             leveldir_current->last_level);
2812   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2813   MapCounterButtons(counter_id);
2814 }
2815
2816 static void MapDrawingArea(int id)
2817 {
2818   MapGadget(level_editor_gadget[id]);
2819 }
2820
2821 static void MapTextInputGadget(int id)
2822 {
2823   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
2824 }
2825
2826 static void MapSelectboxGadget(int id)
2827 {
2828   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
2829 }
2830
2831 static void MapTextbuttonGadget(int id)
2832 {
2833   MapGadget(level_editor_gadget[textbutton_info[id].gadget_id]);
2834 }
2835
2836 static void MapRadiobuttonGadget(int id)
2837 {
2838   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
2839 }
2840
2841 static void MapCheckbuttonGadget(int id)
2842 {
2843   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
2844 }
2845
2846 static void MapMainDrawingArea()
2847 {
2848   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
2849   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
2850   int i;
2851
2852   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
2853   {
2854     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
2855           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
2856          no_horizontal_scrollbar) ||
2857         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
2858           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
2859          no_vertical_scrollbar))
2860       continue;
2861
2862     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
2863   }
2864
2865   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
2866   {
2867     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
2868         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
2869       continue;
2870
2871     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
2872   }
2873
2874   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
2875 }
2876
2877 static void UnmapDrawingArea(int id)
2878 {
2879   UnmapGadget(level_editor_gadget[id]);
2880 }
2881
2882 void UnmapLevelEditorWindowGadgets()
2883 {
2884   int i;
2885
2886   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2887     if (level_editor_gadget[i]->x < SX + SXSIZE)
2888       UnmapGadget(level_editor_gadget[i]);
2889 }
2890
2891 void UnmapLevelEditorGadgets()
2892 {
2893   int i;
2894
2895   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2896     UnmapGadget(level_editor_gadget[i]);
2897 }
2898
2899 static void ResetUndoBuffer()
2900 {
2901   undo_buffer_position = -1;
2902   undo_buffer_steps = -1;
2903   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
2904 }
2905
2906 static void DrawEditModeWindow()
2907 {
2908   if (edit_mode == ED_MODE_INFO)
2909     DrawLevelInfoWindow();
2910   else if (edit_mode == ED_MODE_PROPERTIES)
2911     DrawPropertiesWindow();
2912   else  /* edit_mode == ED_MODE_DRAWING */
2913     DrawDrawingWindow();
2914 }
2915
2916 static boolean LevelChanged()
2917 {
2918   boolean level_changed = FALSE;
2919   int x, y;
2920
2921   for(y=0; y<lev_fieldy; y++)
2922     for(x=0; x<lev_fieldx; x++)
2923       if (Feld[x][y] != Ur[x][y])
2924         level_changed = TRUE;
2925
2926   return level_changed;
2927 }
2928
2929 static boolean LevelContainsPlayer()
2930 {
2931   boolean player_found = FALSE;
2932   int x, y;
2933
2934   for(y=0; y<lev_fieldy; y++)
2935     for(x=0; x<lev_fieldx; x++)
2936       if (Feld[x][y] == EL_PLAYER_1 ||
2937           Feld[x][y] == EL_SP_MURPHY)
2938         player_found = TRUE;
2939
2940   return player_found;
2941 }
2942
2943 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
2944                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
2945 {
2946   int x, y;
2947
2948   for(x=0; x<lev_fieldx; x++)
2949     for(y=0; y<lev_fieldy; y++)
2950       dst[x][y] = src[x][y];
2951 }
2952
2953 static void CopyCustomElementPropertiesToEditor(int element)
2954 {
2955   int i;
2956
2957   i = properties_element - EL_CUSTOM_START;
2958   custom_element_change = level.custom_element[i].change;
2959
2960   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
2961     custom_element_properties[i] = HAS_PROPERTY(element, i);
2962
2963   for (i=0; i < NUM_CHANGE_EVENTS; i++)
2964     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
2965 }
2966
2967 static void CopyCustomElementPropertiesToGame(int element)
2968 {
2969   int i;
2970
2971   i = properties_element - EL_CUSTOM_START;
2972   level.custom_element[i].change = custom_element_change;
2973
2974   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
2975     SET_PROPERTY(element, i, custom_element_properties[i]);
2976
2977   for (i=0; i < NUM_CHANGE_EVENTS; i++)
2978     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
2979
2980   /* copy change events also to special level editor variable */
2981   i = properties_element - EL_CUSTOM_START;
2982   custom_element_change = level.custom_element[i].change;
2983 }
2984
2985 void DrawLevelEd()
2986 {
2987   CloseDoor(DOOR_CLOSE_ALL);
2988   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
2989
2990   if (level_editor_test_game)
2991   {
2992     CopyPlayfield(Ur, Feld);
2993     CopyPlayfield(FieldBackup, Ur);
2994
2995     level_editor_test_game = FALSE;
2996   }
2997   else
2998   {
2999     edit_mode = ED_MODE_DRAWING;
3000     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
3001
3002     ResetUndoBuffer();
3003
3004     level_xpos = -1;
3005     level_ypos = -1;
3006   }
3007
3008   /* copy default editor door content to main double buffer */
3009   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3010              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
3011
3012   /* draw mouse button brush elements */
3013   DrawMiniGraphicExt(drawto,
3014                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3015                      el2edimg(new_element1));
3016   DrawMiniGraphicExt(drawto,
3017                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3018                      el2edimg(new_element2));
3019   DrawMiniGraphicExt(drawto,
3020                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3021                      el2edimg(new_element3));
3022
3023   /* draw bigger door */
3024   DrawSpecialEditorDoor();
3025
3026   /* draw new control window */
3027   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3028              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
3029
3030   redraw_mask |= REDRAW_ALL;
3031
3032   ReinitializeElementListButtons();     /* only needed after setup changes */
3033
3034   UnmapTapeButtons();
3035   MapControlButtons();
3036
3037   /* copy actual editor door content to door double buffer for OpenDoor() */
3038   BlitBitmap(drawto, bitmap_db_door,
3039              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
3040
3041   DrawEditModeWindow();
3042
3043   OpenDoor(DOOR_OPEN_1);
3044 }
3045
3046 static void AdjustDrawingAreaGadgets()
3047 {
3048   int ed_xsize = lev_fieldx + 2;
3049   int ed_ysize = lev_fieldy + 2;
3050   int max_ed_fieldx = MAX_ED_FIELDX;
3051   int max_ed_fieldy = MAX_ED_FIELDY;
3052   boolean horizontal_scrollbar_needed;
3053   boolean vertical_scrollbar_needed;
3054   int x, y, width, height;
3055   int xoffset, yoffset;
3056
3057   /* check if we need any scrollbars */
3058   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3059   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3060
3061   /* check if we have a smaller editor field because of scrollbars */
3062   if (horizontal_scrollbar_needed)
3063     max_ed_fieldy = MAX_ED_FIELDY - 1;
3064   if (vertical_scrollbar_needed)
3065     max_ed_fieldx = MAX_ED_FIELDX - 1;
3066
3067   /* check again if we now need more scrollbars because of less space */
3068   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3069   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3070
3071   /* check if editor field gets even smaller after adding new scrollbars */
3072   if (horizontal_scrollbar_needed)
3073     max_ed_fieldy = MAX_ED_FIELDY - 1;
3074   if (vertical_scrollbar_needed)
3075     max_ed_fieldx = MAX_ED_FIELDX - 1;
3076
3077   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
3078   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
3079
3080   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
3081                GDI_WIDTH, ed_fieldx * MINI_TILEX,
3082                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
3083                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
3084                GDI_END);
3085
3086   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
3087   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
3088
3089   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
3090   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
3091
3092   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
3093   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
3094
3095   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
3096   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
3097
3098   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3099                GDI_WIDTH, width,
3100                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
3101                GDI_END);
3102   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
3103                GDI_HEIGHT, height,
3104                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
3105                GDI_END);
3106 }
3107
3108 static void AdjustLevelScrollPosition()
3109 {
3110   if (level_xpos < -1)
3111     level_xpos = -1;
3112   if (level_xpos > lev_fieldx - ed_fieldx + 1)
3113     level_xpos = lev_fieldx - ed_fieldx + 1;
3114   if (lev_fieldx < ed_fieldx - 2)
3115     level_xpos = -1;
3116
3117   if (level_ypos < -1)
3118     level_ypos = -1;
3119   if (level_ypos > lev_fieldy - ed_fieldy + 1)
3120     level_ypos = lev_fieldy - ed_fieldy + 1;
3121   if (lev_fieldy < ed_fieldy - 2)
3122     level_ypos = -1;
3123 }
3124
3125 static void AdjustEditorScrollbar(int id)
3126 {
3127   struct GadgetInfo *gi = level_editor_gadget[id];
3128   int items_max, items_visible, item_position;
3129
3130   if (id == GADGET_ID_SCROLL_HORIZONTAL)
3131   {
3132     items_max = MAX(lev_fieldx + 2, ed_fieldx);
3133     items_visible = ed_fieldx;
3134     item_position = level_xpos + 1;
3135   }
3136   else
3137   {
3138     items_max = MAX(lev_fieldy + 2, ed_fieldy);
3139     items_visible = ed_fieldy;
3140     item_position = level_ypos + 1;
3141   }
3142
3143   if (item_position > items_max - items_visible)
3144     item_position = items_max - items_visible;
3145
3146   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
3147                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
3148 }
3149
3150 static void ModifyEditorTextInput(int textinput_id, char *new_text)
3151 {
3152   int gadget_id = textinput_info[textinput_id].gadget_id;
3153   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3154
3155   ModifyGadget(gi, GDI_TEXT_VALUE, new_text, GDI_END);
3156 }
3157
3158 static void ModifyEditorCounter(int counter_id, int new_value)
3159 {
3160   int *counter_value = counterbutton_info[counter_id].value;
3161   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3162   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3163
3164   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
3165
3166   if (counter_value != NULL)
3167     *counter_value = gi->text.number_value;
3168 }
3169
3170 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
3171 {
3172   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3173   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3174
3175   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
3176 }
3177
3178 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
3179 {
3180   int gadget_id = selectbox_info[selectbox_id].gadget_id;
3181   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3182   int new_index_value = 0;
3183   int i;
3184
3185   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
3186     if (selectbox_info[selectbox_id].options[i].value == new_value)
3187       new_index_value = i;
3188
3189   *selectbox_info[selectbox_id].value =
3190     selectbox_info[selectbox_id].options[new_index_value].value;
3191
3192   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
3193 }
3194
3195 static void PickDrawingElement(int button, int element)
3196 {
3197   if (button < 1 || button > 3)
3198     return;
3199
3200   if (button == 1)
3201   {
3202     new_element1 = element;
3203     DrawMiniGraphicExt(drawto,
3204                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3205                        el2edimg(new_element1));
3206   }
3207   else if (button == 2)
3208   {
3209     new_element2 = element;
3210     DrawMiniGraphicExt(drawto,
3211                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3212                        el2edimg(new_element2));
3213   }
3214   else
3215   {
3216     new_element3 = element;
3217     DrawMiniGraphicExt(drawto,
3218                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3219                        el2edimg(new_element3));
3220   }
3221
3222   redraw_mask |= REDRAW_DOOR_1;
3223 }
3224
3225 static void DrawDrawingWindow()
3226 {
3227   SetMainBackgroundImage(IMG_UNDEFINED);
3228   ClearWindow();
3229   UnmapLevelEditorWindowGadgets();
3230
3231   AdjustDrawingAreaGadgets();
3232   AdjustLevelScrollPosition();
3233   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
3234   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
3235
3236   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3237   MapMainDrawingArea();
3238 }
3239
3240 static void DrawElementBorder(int dest_x, int dest_y, int width, int height)
3241 {
3242   int border_graphic = IMG_EDITOR_ELEMENT_BORDER;
3243   Bitmap *src_bitmap;
3244   int src_x, src_y;
3245   int num_mini_tilex = width / MINI_TILEX + 1;
3246   int num_mini_tiley = width / MINI_TILEY + 1;
3247   int x, y;
3248
3249   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3250
3251   for (y=0; y < num_mini_tiley; y++)
3252     for (x=0; x < num_mini_tilex; x++)
3253       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3254                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3255                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3256
3257   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3258 }
3259
3260 static void DrawRandomPlacementBackgroundArea()
3261 {
3262   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
3263   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
3264   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
3265   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
3266
3267   ElementContent[0][0][0] = random_placement_background_element;
3268
3269   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
3270   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
3271
3272   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
3273 }
3274
3275 static void DrawLevelInfoWindow()
3276 {
3277   char infotext[MAX_OUTPUT_LINESIZE + 1];
3278   int max_infotext_len = getMaxInfoTextLength();
3279   int xoffset_above = 0;
3280   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3281   int xoffset_right = getCounterGadgetWidth();
3282   int yoffset_right = ED_BORDER_SIZE;
3283   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
3284   int yoffset_right2 = ED_BORDER_SIZE;
3285   int i, x, y;
3286
3287   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
3288   ClearWindow();
3289   UnmapLevelEditorWindowGadgets();
3290
3291   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
3292            "Level Settings", FONT_TITLE_1);
3293   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
3294            "Editor Settings", FONT_TITLE_1);
3295
3296   /* draw counter gadgets */
3297   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
3298   {
3299     if (counterbutton_info[i].infotext_above)
3300     {
3301       x = counterbutton_info[i].x + xoffset_above;
3302       y = counterbutton_info[i].y + yoffset_above;
3303
3304       sprintf(infotext, "%s:", counterbutton_info[i].infotext_above);
3305       infotext[max_infotext_len] = '\0';
3306       DrawTextF(x, y, FONT_TEXT_1, infotext);
3307     }
3308
3309     if (counterbutton_info[i].infotext_right)
3310     {
3311       x = counterbutton_info[i].x + xoffset_right;
3312       y = counterbutton_info[i].y + yoffset_right;
3313
3314       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
3315       infotext[max_infotext_len] = '\0';
3316       DrawTextF(x, y, FONT_TEXT_1, infotext);
3317     }
3318
3319     ModifyEditorCounter(i, *counterbutton_info[i].value);
3320     MapCounterButtons(i);
3321   }
3322
3323   /* draw text input gadgets */
3324   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
3325   {
3326     x = textinput_info[i].x + xoffset_above;
3327     y = textinput_info[i].y + yoffset_above;
3328
3329     sprintf(infotext, "%s:", textinput_info[i].infotext);
3330     infotext[max_infotext_len] = '\0';
3331
3332     DrawTextF(x, y, FONT_TEXT_1, infotext);
3333     ModifyEditorTextInput(i, textinput_info[i].value);
3334     MapTextInputGadget(i);
3335   }
3336
3337   /* draw radiobutton gadgets */
3338   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
3339   {
3340     boolean checked =
3341       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3342
3343     x = radiobutton_info[i].x + xoffset_right2;
3344     y = radiobutton_info[i].y + yoffset_right2;
3345
3346     DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[i].text);
3347     ModifyGadget(level_editor_gadget[radiobutton_info[i].gadget_id],
3348                  GDI_CHECKED, checked, GDI_END);
3349     MapRadiobuttonGadget(i);
3350   }
3351
3352   /* draw checkbutton gadgets */
3353   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
3354   {
3355     x = checkbutton_info[i].x + xoffset_right2;
3356     y = checkbutton_info[i].y + yoffset_right2;
3357
3358     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3359     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3360                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3361     MapCheckbuttonGadget(i);
3362   }
3363
3364   /* draw drawing area */
3365   DrawRandomPlacementBackgroundArea();
3366 }
3367
3368 static void DrawAmoebaContentArea()
3369 {
3370   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3371   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3372   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3373   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3374
3375   ElementContent[0][0][0] = level.amoeba_content;
3376
3377   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
3378   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
3379
3380   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
3381
3382   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
3383 }
3384
3385 static void DrawCustomChangedArea()
3386 {
3387   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGED];
3388 #if 0
3389   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
3390   int yoffset_right2 = ED_BORDER_SIZE;
3391   int i = ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE;
3392   int text_len = strlen(checkbutton_info[i].text);
3393   int text_width = text_len * getFontWidth(FONT_TEXT_1);
3394   int xpos = checkbutton_info[i].x + 2 * xoffset_right2 + text_width;
3395   int ypos = checkbutton_info[i].y + yoffset_right2;
3396 #else
3397   int xpos = ED_AREA_ELEM_CONTENT2_XPOS;
3398   int ypos = ED_AREA_ELEM_CONTENT2_YPOS;
3399 #endif
3400   int area_x = xpos / MINI_TILEX;
3401   int area_y = ypos / MINI_TILEY;
3402   int area_sx = SX + xpos;
3403   int area_sy = SY + ypos;
3404
3405   if (!IS_CUSTOM_ELEMENT(properties_element))
3406   {
3407     /* this should never happen */
3408     Error(ERR_WARN, "element %d is no custom element", properties_element);
3409
3410     return;
3411   }
3412
3413   ElementContent[0][0][0] = custom_element_change.successor;
3414
3415   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
3416 #if 1
3417   DrawMiniGraphicExt(drawto,
3418                      gi->x,
3419                      gi->y,
3420                      el2edimg(ElementContent[0][0][0]));
3421 #else
3422   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
3423 #endif
3424
3425 #if 0
3426   DrawText(area_sx + TILEX, area_sy + 1, "Element after change", FONT_TEXT_1);
3427 #endif
3428
3429   MapDrawingArea(GADGET_ID_CUSTOM_CHANGED);
3430 }
3431
3432 static void DrawElementContentAreas()
3433 {
3434   int counter_id = ED_COUNTER_ID_ELEMENT_CONTENT;
3435   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3436   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3437   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3438   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3439   int xoffset_right = getCounterGadgetWidth();
3440   int yoffset_right = ED_BORDER_SIZE;
3441   int i, x, y;
3442
3443   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
3444     for (y=0; y<3; y++)
3445       for (x=0; x<3; x++)
3446         ElementContent[i][x][y] = level.yam_content[i][x][y];
3447
3448   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
3449     UnmapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
3450
3451   /* display counter to choose number of element content areas */
3452   x = counterbutton_info[counter_id].x + xoffset_right;
3453   y = counterbutton_info[counter_id].y + yoffset_right;
3454   DrawTextF(x, y, FONT_TEXT_1, "number of content areas");
3455
3456   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
3457   MapCounterButtons(counter_id);
3458
3459   /* delete content areas in case of reducing number of them */
3460   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
3461
3462   for (i=0; i<level.num_yam_contents; i++)
3463     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
3464                       area_sy + 6 * (i / 4) * MINI_TILEY,
3465                       3 * MINI_TILEX, 3 * MINI_TILEY);
3466
3467   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
3468            "Content", FONT_TEXT_1);
3469   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
3470            "when",    FONT_TEXT_1);
3471   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
3472            "smashed", FONT_TEXT_1);
3473
3474   for (i=0; i<level.num_yam_contents; i++)
3475   {
3476     for (y=0; y<3; y++)
3477       for (x=0; x<3; x++)
3478         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
3479                         ElementContent[i][x][y]);
3480
3481     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
3482               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
3483               FONT_TEXT_1, "%d", i + 1);
3484   }
3485
3486   for (i=0; i<level.num_yam_contents; i++)
3487     MapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
3488 }
3489
3490 #define TEXT_COLLECTING         "Score for collecting"
3491 #define TEXT_SMASHING           "Score for smashing"
3492 #define TEXT_CRACKING           "Score for cracking"
3493 #define TEXT_SPEED              "Speed of amoeba growth"
3494 #define TEXT_DURATION           "Duration when activated"
3495
3496 static struct
3497 {
3498   int element;
3499   int *value;
3500   char *text;
3501 } elements_with_counter[] =
3502 {
3503   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
3504   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
3505   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
3506   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
3507   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
3508   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
3509   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
3510   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
3511   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
3512   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
3513   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
3514   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
3515   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
3516   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
3517   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3518   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3519   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3520   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3521   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3522   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3523   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3524   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3525   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
3526   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
3527   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
3528   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
3529   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
3530   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
3531   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
3532   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
3533   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
3534   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
3535   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
3536   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
3537   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
3538   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
3539   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
3540   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
3541   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
3542   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
3543   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
3544   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
3545   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
3546   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
3547   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
3548   { -1,                 NULL,                           NULL            }
3549 };
3550
3551 static boolean checkPropertiesConfig()
3552 {
3553   int i;
3554
3555   if (IS_GEM(properties_element) ||
3556       IS_CUSTOM_ELEMENT(properties_element) ||
3557       HAS_CONTENT(properties_element))
3558     return TRUE;
3559   else
3560     for (i=0; elements_with_counter[i].element != -1; i++)
3561       if (elements_with_counter[i].element == properties_element)
3562         return TRUE;
3563
3564   return FALSE;
3565 }
3566
3567 static void DrawPropertiesConfig()
3568 {
3569   boolean element_has_score = FALSE;
3570   char *element_score_text = NULL;
3571   static int temporary_dummy_score = 0;
3572   int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
3573   int xoffset_right = getCounterGadgetWidth();
3574   int yoffset_right = ED_BORDER_SIZE;
3575   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
3576   int yoffset_right2 = ED_BORDER_SIZE;
3577   int i, x, y;
3578
3579   /* check if there are elements where a score can be chosen for */
3580   for (i=0; elements_with_counter[i].element != -1; i++)
3581   {
3582     if (elements_with_counter[i].element == properties_element)
3583     {
3584 #if 1
3585       counterbutton_info[counter_id].value = elements_with_counter[i].value;
3586       element_score_text = elements_with_counter[i].text;
3587       element_has_score = TRUE;
3588 #else
3589       int x = counterbutton_info[counter_id].x + xoffset_right;
3590       int y = counterbutton_info[counter_id].y + yoffset_right;
3591
3592       counterbutton_info[counter_id].value = elements_with_counter[i].value;
3593       DrawTextF(x, y, FONT_TEXT_1, elements_with_counter[i].text);
3594
3595       ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
3596       MapCounterButtons(counter_id);
3597 #endif
3598       break;
3599     }
3600   }
3601
3602   if (IS_CUSTOM_ELEMENT(properties_element))
3603   {
3604     counterbutton_info[counter_id].value = &temporary_dummy_score;
3605     element_score_text = "Score for certain actions";
3606     element_has_score = TRUE;
3607   }
3608
3609   if (element_has_score)
3610   {
3611     int x = counterbutton_info[counter_id].x + xoffset_right;
3612     int y = counterbutton_info[counter_id].y + yoffset_right;
3613
3614     DrawTextF(x, y, FONT_TEXT_1, element_score_text);
3615
3616     ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
3617     MapCounterButtons(counter_id);
3618   }
3619
3620   if (HAS_CONTENT(properties_element))
3621   {
3622     /* draw stickybutton gadget */
3623     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
3624     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
3625     x = checkbutton_info[i].x + xoffset_right2;
3626     y = checkbutton_info[i].y + yoffset_right2;
3627
3628     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3629     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3630                  GDI_CHECKED, *checkbutton_info[i].value,
3631                  GDI_Y, SY + checkbutton_info[i].y, GDI_END);
3632     MapCheckbuttonGadget(i);
3633
3634     if (HAS_CONTENT(properties_element))
3635     {
3636       if (IS_AMOEBOID(properties_element))
3637         DrawAmoebaContentArea();
3638       else
3639         DrawElementContentAreas();
3640     }
3641   }
3642
3643   if (IS_GEM(properties_element))
3644   {
3645     /* draw checkbutton gadget */
3646     i = ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS;
3647     x = checkbutton_info[i].x + xoffset_right2;
3648     y = checkbutton_info[i].y + yoffset_right2;
3649
3650     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3651     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3652                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3653     MapCheckbuttonGadget(i);
3654   }
3655
3656   if (IS_CUSTOM_ELEMENT(properties_element))
3657   {
3658     CopyCustomElementPropertiesToEditor(properties_element);
3659
3660     /* draw checkbutton gadgets */
3661     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
3662          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
3663     {
3664       x = checkbutton_info[i].x + xoffset_right2;
3665       y = checkbutton_info[i].y + yoffset_right2;
3666
3667       DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3668       ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3669                    GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3670       MapCheckbuttonGadget(i);
3671     }
3672   }
3673 }
3674
3675 char *getElementDescriptionFilename(int element)
3676 {
3677   char *docs_dir = options.docs_directory;
3678   char *elements_subdir = "elements";
3679   static char *filename = NULL;
3680   char basename[MAX_FILENAME_LEN];
3681
3682   if (filename != NULL)
3683     free(filename);
3684
3685   /* 1st try: look for element description file for exactly this element */
3686   sprintf(basename, "%s.txt", element_info[element].token_name);
3687   filename = getPath3(docs_dir, elements_subdir, basename);
3688   if (fileExists(filename))
3689     return filename;
3690
3691   free(filename);
3692
3693   /* 2nd try: look for element description file for this element's class */
3694   sprintf(basename, "%s.txt", element_info[element].class_name);
3695   filename = getPath3(docs_dir, elements_subdir, basename);
3696   if (fileExists(filename))
3697     return filename;
3698
3699   return NULL;
3700 }
3701
3702 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
3703 {
3704   int font_height = getFontHeight(font_nr);
3705   int pad_x = ED_SETTINGS_XPOS;
3706   int pad_y = 5 * TILEY;
3707   int sx = SX + pad_x;
3708   int sy = SY + pad_y;
3709   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
3710
3711   if (screen_line >= max_lines_per_screen)
3712     return FALSE;
3713
3714   DrawText(sx, sy + screen_line * font_height, text, font_nr);
3715
3716   return TRUE;
3717 }
3718
3719 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
3720 {
3721   int font_nr = FONT_TEXT_2;
3722   int font_width = getFontWidth(font_nr);
3723   int pad_x = ED_SETTINGS_XPOS;
3724   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
3725   char line[MAX_LINE_LEN];
3726   char buffer[max_chars_per_line + 1];
3727   int buffer_len;
3728   int lines_printed = 0;
3729   FILE *file;
3730
3731   if (filename == NULL)
3732     return 0;
3733
3734   if (!(file = fopen(filename, MODE_READ)))
3735     return 0;
3736
3737   buffer[0] = '\0';
3738   buffer_len = 0;
3739
3740   while(!feof(file))
3741   {
3742     char *line_ptr, *word_ptr;
3743     boolean last_line_was_empty = TRUE;
3744
3745     /* read next line of input file */
3746     if (!fgets(line, MAX_LINE_LEN, file))
3747       break;
3748
3749     /* skip comments (lines directly beginning with '#') */
3750     if (line[0] == '#')
3751       continue;
3752
3753     /* cut trailing newline from input line */
3754     for (line_ptr = line; *line_ptr; line_ptr++)
3755     {
3756       if (*line_ptr == '\n' || *line_ptr == '\r')
3757       {
3758         *line_ptr = '\0';
3759         break;
3760       }
3761     }
3762
3763     if (strlen(line) == 0)              /* special case: force empty line */
3764       strcpy(line, "\n");
3765
3766     word_ptr = line;
3767
3768     while (*word_ptr)
3769     {
3770       boolean print_buffer = FALSE;
3771       int word_len;
3772
3773       /* skip leading whitespaces */
3774       while (*word_ptr == ' ' || *word_ptr == '\t')
3775         word_ptr++;
3776
3777       line_ptr = word_ptr;
3778       word_len = 0;
3779
3780       /* look for end of next word */
3781       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
3782       {
3783         line_ptr++;
3784         word_len++;
3785       }
3786
3787       if (word_len == 0)
3788       {
3789         continue;
3790       }
3791       else if (*word_ptr == '\n')       /* special case: force empty line */
3792       {
3793         if (buffer_len == 0)
3794           word_ptr++;
3795
3796         /* prevent printing of multiple empty lines */
3797         if (buffer_len > 0 || !last_line_was_empty)
3798           print_buffer = TRUE;
3799       }
3800       else if (word_len < max_chars_per_line - buffer_len)
3801       {
3802         /* word fits into text buffer -- add word */
3803
3804         if (buffer_len > 0)
3805           buffer[buffer_len++] = ' ';
3806
3807         strncpy(&buffer[buffer_len], word_ptr, word_len);
3808         buffer_len += word_len;
3809         buffer[buffer_len] = '\0';
3810         word_ptr += word_len;
3811       }
3812       else if (buffer_len > 0)
3813       {
3814         /* not enough space left for word in text buffer -- print buffer */
3815
3816         print_buffer = TRUE;
3817       }
3818       else
3819       {
3820         /* word does not fit at all into empty text buffer -- cut word */
3821
3822         strncpy(buffer, word_ptr, max_chars_per_line);
3823         buffer[max_chars_per_line] = '\0';
3824         word_ptr += max_chars_per_line;
3825         print_buffer = TRUE;
3826       }
3827
3828       if (print_buffer)
3829       {
3830         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
3831           return lines_printed;
3832
3833         last_line_was_empty = (buffer_len == 0);
3834         lines_printed++;
3835
3836         buffer[0] = '\0';
3837         buffer_len = 0;
3838         print_buffer = FALSE;
3839       }
3840     }
3841   }
3842
3843   fclose(file);
3844
3845   if (buffer_len > 0)
3846     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
3847       lines_printed++;
3848
3849   return lines_printed;
3850 }
3851
3852 static void DrawPropertiesTabulatorGadgets()
3853 {
3854   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
3855   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
3856   int gd_x = gd->x + gd_gi->border.width / 2;
3857   int gd_y = gd->y + gd_gi->height - 1;
3858   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
3859   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
3860   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
3861   int i;
3862
3863   /* draw additional "configure" tabulator for configurable elements */
3864   if (checkPropertiesConfig())
3865     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
3866
3867   /* draw additional "advanced" tabulator for custom elements */
3868   if (IS_CUSTOM_ELEMENT(properties_element))
3869     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
3870
3871   for (i=id_first; i <= id_last; i++)
3872   {
3873     int gadget_id = textbutton_info[i].gadget_id;
3874     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3875     boolean active = (i != edit_mode_properties);
3876
3877     /* draw background line below tabulator button */
3878     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
3879
3880     /* draw solid line below inactive tabulator buttons */
3881     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
3882       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
3883
3884     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
3885     MapTextbuttonGadget(i);
3886   }
3887
3888   /* draw little border line below tabulator buttons */
3889   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
3890     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
3891                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
3892                   ED_GADGET_DISTANCE, tab_color);
3893 }
3894
3895 static void DrawPropertiesInfo()
3896 {
3897   static struct
3898   {
3899     int value;
3900     char *text;
3901   }
3902   properties[] =
3903   {
3904     /* configurable properties */
3905     { EP_INDESTRUCTIBLE,        "- undestructible"                      },
3906     { EP_DIGGABLE,              "- diggable"                            },
3907     { EP_COLLECTIBLE,           "- collectible"                         },
3908     { EP_PUSHABLE,              "- pushable"                            },
3909     { EP_CAN_FALL,              "- can fall"                            },
3910     { EP_CAN_SMASH,             "- can smash other objects"             },
3911     { EP_CAN_MOVE,              "- can move"                            },
3912     { EP_SLIPPERY,              "- slippery for falling objects"        },
3913     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
3914     { EP_WALKABLE_OVER,         "- player can walk over it"             },
3915     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
3916     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
3917     { EP_PASSABLE_OVER,         "- player can pass over it"             },
3918     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
3919     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
3920
3921     /* pre-defined properties */
3922     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
3923     { EP_DONT_TOUCH,            "- deadly when touched"                 },
3924     { EP_ENEMY,                 "- can kill the player"                 },
3925     { EP_DONT_GO_TO,            "- deadly when walked to"               },
3926     { EP_CAN_EXPLODE,           "- can explode"                         },
3927     { EP_HAS_CONTENT,           "- can contain other elements"          },
3928
3929     { -1,                       NULL                                    }
3930   };
3931   char *filename = getElementDescriptionFilename(properties_element);
3932   char *percentage_text = "In this level:";
3933   char *properties_text = "Standard properties:";
3934   float percentage;
3935   int num_elements_in_level;
3936   int num_standard_properties = 0;
3937   int font1_nr = FONT_TEXT_1;
3938   int font2_nr = FONT_TEXT_2;
3939   int font1_width = getFontWidth(font1_nr);
3940   int font2_height = getFontHeight(font2_nr);
3941   int pad_x = ED_SETTINGS_XPOS;
3942   int pad_y = 5 * TILEY;
3943   int screen_line = 2;
3944   int i, x, y;
3945
3946   num_elements_in_level = 0;
3947   for (y=0; y<lev_fieldy; y++)
3948     for (x=0; x<lev_fieldx; x++)
3949       if (Feld[x][y] == properties_element)
3950         num_elements_in_level++;
3951   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
3952
3953   DrawTextF(pad_x, pad_y, font1_nr, percentage_text);
3954   DrawTextF(pad_x + strlen(percentage_text) * font1_width, pad_y,
3955             font2_nr, "%d (%.2f%%)", num_elements_in_level, percentage);
3956
3957   for (i=0; properties[i].value != -1; i++)
3958     if (HAS_PROPERTY(properties_element, properties[i].value))
3959       num_standard_properties++;
3960
3961 #if 1
3962   if (num_standard_properties > 0)
3963   {
3964     DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
3965               properties_text);
3966     screen_line++;
3967
3968     for (i=0; properties[i].value != -1; i++)
3969     {
3970       if (!HAS_PROPERTY(properties_element, properties[i].value))
3971         continue;
3972
3973       DrawTextF(pad_x, pad_y + screen_line * font2_height, font2_nr,
3974                 properties[i].text);
3975       screen_line++;
3976     }
3977
3978     screen_line++;
3979   }
3980 #endif
3981
3982   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
3983   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
3984     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
3985 }
3986
3987 static void DrawPropertiesAdvanced()
3988 {
3989   char infotext[MAX_OUTPUT_LINESIZE + 1];
3990   int max_infotext_len = getMaxInfoTextLength();
3991   int xoffset_right = getCounterGadgetWidth();
3992   int yoffset_right = ED_BORDER_SIZE;
3993   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
3994   int yoffset_right2 = ED_BORDER_SIZE;
3995   int i, x, y;
3996
3997   CopyCustomElementPropertiesToEditor(properties_element);
3998
3999   /* draw stickybutton gadget */
4000   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4001   checkbutton_info[i].y = ED_COUNTER_YPOS2(4);
4002   x = checkbutton_info[i].x + xoffset_right2;
4003   y = checkbutton_info[i].y + yoffset_right2;
4004
4005   DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4006   ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4007                GDI_CHECKED, *checkbutton_info[i].value,
4008                GDI_Y, SY + checkbutton_info[i].y, GDI_END);
4009   MapCheckbuttonGadget(i);
4010
4011   /* draw counter gadgets */
4012   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
4013   {
4014     if (counterbutton_info[i].infotext_right)
4015     {
4016       x = counterbutton_info[i].x + xoffset_right;
4017       y = counterbutton_info[i].y + yoffset_right;
4018
4019       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
4020       infotext[max_infotext_len] = '\0';
4021       DrawTextF(x, y, FONT_TEXT_1, infotext);
4022     }
4023
4024     ModifyEditorCounter(i, *counterbutton_info[i].value);
4025     MapCounterButtons(i);
4026   }
4027
4028   /* draw checkbutton gadgets */
4029   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
4030        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
4031   {
4032     x = checkbutton_info[i].x + xoffset_right2;
4033     y = checkbutton_info[i].y + yoffset_right2;
4034
4035     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4036     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4037                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
4038     MapCheckbuttonGadget(i);
4039   }
4040
4041   DrawCustomChangedArea();
4042
4043   /* draw selectbox gadgets */
4044   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
4045   {
4046     int yoffset = ED_BORDER_SIZE;
4047
4048     x = selectbox_info[i].x;
4049     y = selectbox_info[i].y + yoffset;
4050
4051     DrawTextF(x, y, FONT_TEXT_1, selectbox_info[i].text);
4052 #if 1
4053     ModifyEditorSelectbox(i, *selectbox_info[i].value);
4054 #else
4055     ModifyGadget(level_editor_gadget[selectbox_info[i].gadget_id],
4056                  GDI_SELECTBOX_INDEX, *selectbox_info[i].index, GDI_END);
4057 #endif
4058     MapSelectboxGadget(i);
4059   }
4060 }
4061
4062 static void DrawPropertiesWindow()
4063 {
4064   int xstart = 2;
4065   int ystart = 4;
4066
4067   /* make sure that previous properties edit mode exists for this element */
4068   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
4069       !IS_CUSTOM_ELEMENT(properties_element))
4070     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
4071
4072   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
4073       !checkPropertiesConfig())
4074     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
4075
4076   UnmapLevelEditorWindowGadgets();
4077
4078   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4079   ClearWindow();
4080
4081   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
4082            "Element Settings", FONT_TITLE_1);
4083
4084   DrawElementBorder(SX + xstart * MINI_TILEX,
4085                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4086                     TILEX, TILEY);
4087   DrawGraphicAnimationExt(drawto,
4088                           SX + xstart * MINI_TILEX,
4089                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4090                           el2img(properties_element), -1, NO_MASKING);
4091
4092   FrameCounter = 0;     /* restart animation frame counter */
4093
4094   DrawTextF((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
4095             FONT_TEXT_1, getElementInfoText(properties_element));
4096
4097   DrawPropertiesTabulatorGadgets();
4098
4099   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
4100     DrawPropertiesInfo();
4101   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
4102     DrawPropertiesConfig();
4103   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
4104     DrawPropertiesAdvanced();
4105 }
4106
4107 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
4108 {
4109   int lx = sx + level_xpos;
4110   int ly = sy + level_ypos;
4111
4112   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
4113
4114   if (change_level)
4115     Feld[lx][ly] = element;
4116 }
4117
4118 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
4119                      int element, boolean change_level)
4120 {
4121   if (from_y == to_y)                   /* horizontal line */
4122   {
4123     int x;
4124     int y = from_y;
4125
4126     if (from_x > to_x)
4127       swap_numbers(&from_x, &to_x);
4128
4129     for (x=from_x; x<=to_x; x++)
4130       DrawLineElement(x, y, element, change_level);
4131   }
4132   else if (from_x == to_x)              /* vertical line */
4133   {
4134     int x = from_x;
4135     int y;
4136
4137     if (from_y > to_y)
4138       swap_numbers(&from_y, &to_y);
4139
4140     for (y=from_y; y<=to_y; y++)
4141       DrawLineElement(x, y, element, change_level);
4142   }
4143   else                                  /* diagonal line */
4144   {
4145     int len_x = ABS(to_x - from_x);
4146     int len_y = ABS(to_y - from_y);
4147     int x, y;
4148
4149     if (len_y < len_x)                  /* a < 1 */
4150     {
4151       float a = (float)len_y / (float)len_x;
4152
4153       if (from_x > to_x)
4154         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4155
4156       for (x=0; x<=len_x; x++)
4157       {
4158         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
4159         DrawLineElement(from_x + x, from_y + y, element, change_level);
4160       }
4161     }
4162     else                                /* a >= 1 */
4163     {
4164       float a = (float)len_x / (float)len_y;
4165
4166       if (from_y > to_y)
4167         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4168
4169       for (y=0; y<=len_y; y++)
4170       {
4171         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
4172         DrawLineElement(from_x + x, from_y + y, element, change_level);
4173       }
4174     }
4175   }
4176 }
4177
4178 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
4179                     int element, boolean change_level)
4180 {
4181   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
4182   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
4183   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
4184   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
4185 }
4186
4187 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
4188                           int element, boolean change_level)
4189 {
4190   int y;
4191
4192   if (from_y > to_y)
4193     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4194
4195   for (y=from_y; y<=to_y; y++)
4196     DrawLine(from_x, y, to_x, y, element, change_level);
4197 }
4198
4199 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
4200                        int element, boolean change_level)
4201 {
4202   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
4203   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
4204   int len_x = ABS(to_x - from_x);
4205   int len_y = ABS(to_y - from_y);
4206   int radius, x, y;
4207
4208   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
4209
4210   /* not optimal (some points get drawn twice) but simple,
4211      and fast enough for the few points we are drawing */
4212
4213   for (x=0; x<=radius; x++)
4214   {
4215     int sx, sy, lx, ly;
4216
4217     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
4218
4219     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4220     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4221     lx = sx + level_xpos;
4222     ly = sy + level_ypos;
4223
4224     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4225       DrawLineElement(sx, sy, element, change_level);
4226   }
4227
4228   for (y=0; y<=radius; y++)
4229   {
4230     int sx, sy, lx, ly;
4231
4232     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
4233
4234     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4235     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4236     lx = sx + level_xpos;
4237     ly = sy + level_ypos;
4238
4239     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4240       DrawLineElement(sx, sy, element, change_level);
4241   }
4242 }
4243
4244 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
4245                     int element, boolean change_level)
4246 {
4247   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4248   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4249
4250   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4251 }
4252
4253 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
4254 #if DRAW_CIRCLES_BUTTON_AVAILABLE
4255 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
4256                        int element, boolean change_level)
4257 {
4258   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4259   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4260   int mirror_to_x2 = from_x - (to_x2 - from_x);
4261   int mirror_to_y2 = from_y - (to_y2 - from_y);
4262
4263   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4264   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
4265   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
4266   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
4267 }
4268 #endif
4269
4270 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
4271 {
4272   int from_sx, from_sy;
4273   int to_sx, to_sy;
4274
4275   if (from_x > to_x)
4276     swap_numbers(&from_x, &to_x);
4277
4278   if (from_y > to_y)
4279     swap_numbers(&from_y, &to_y);
4280
4281   from_sx = SX + from_x * MINI_TILEX;
4282   from_sy = SY + from_y * MINI_TILEY;
4283   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
4284   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
4285
4286   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
4287   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
4288   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
4289   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
4290
4291   if (from_x == to_x && from_y == to_y)
4292     MarkTileDirty(from_x/2, from_y/2);
4293   else
4294     redraw_mask |= REDRAW_FIELD;
4295 }
4296
4297 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
4298                        int element, boolean change_level)
4299 {
4300   if (element == -1 || change_level)
4301     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
4302   else
4303     DrawAreaBorder(from_x, from_y, to_x, to_y);
4304 }
4305
4306 /* values for CopyBrushExt() */
4307 #define CB_AREA_TO_BRUSH        0
4308 #define CB_BRUSH_TO_CURSOR      1
4309 #define CB_BRUSH_TO_LEVEL       2
4310 #define CB_DELETE_OLD_CURSOR    3
4311
4312 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
4313                          int button, int mode)
4314 {
4315   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
4316   static int brush_width, brush_height;
4317   static int last_cursor_x = -1, last_cursor_y = -1;
4318   static boolean delete_old_brush;
4319   int new_element = BUTTON_ELEMENT(button);
4320   int x, y;
4321
4322   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
4323     return;
4324
4325   if (mode == CB_AREA_TO_BRUSH)
4326   {
4327     int from_lx, from_ly;
4328
4329     if (from_x > to_x)
4330       swap_numbers(&from_x, &to_x);
4331
4332     if (from_y > to_y)
4333       swap_numbers(&from_y, &to_y);
4334
4335     brush_width = to_x - from_x + 1;
4336     brush_height = to_y - from_y + 1;
4337
4338     from_lx = from_x + level_xpos;
4339     from_ly = from_y + level_ypos;
4340
4341     for (y=0; y<brush_height; y++)
4342     {
4343       for (x=0; x<brush_width; x++)
4344       {
4345         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
4346
4347         if (button != 1)
4348           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
4349       }
4350     }
4351
4352     if (button != 1)
4353       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4354
4355     delete_old_brush = FALSE;
4356   }
4357   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
4358            mode == CB_BRUSH_TO_LEVEL)
4359   {
4360     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
4361     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
4362     int cursor_from_x = cursor_x - brush_width / 2;
4363     int cursor_from_y = cursor_y - brush_height / 2;
4364     int border_from_x = cursor_x, border_from_y = cursor_y;
4365     int border_to_x = cursor_x, border_to_y = cursor_y;
4366
4367     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
4368       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
4369
4370     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
4371         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
4372     {
4373       delete_old_brush = FALSE;
4374       return;
4375     }
4376
4377     for (y=0; y<brush_height; y++)
4378     {
4379       for (x=0; x<brush_width; x++)
4380       {
4381         int sx = cursor_from_x + x;
4382         int sy = cursor_from_y + y;
4383         int lx = sx + level_xpos;
4384         int ly = sy + level_ypos;
4385         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
4386         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
4387                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
4388                        brush_buffer[x][y] : new_element);
4389
4390         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4391         {
4392           if (sx < border_from_x)
4393             border_from_x = sx;
4394           else if (sx > border_to_x)
4395             border_to_x = sx;
4396           if (sy < border_from_y)
4397             border_from_y = sy;
4398           else if (sy > border_to_y)
4399             border_to_y = sy;
4400
4401           DrawLineElement(sx, sy, element, change_level);
4402         }
4403       }
4404     }
4405
4406     if (mode != CB_DELETE_OLD_CURSOR)
4407       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
4408
4409     last_cursor_x = cursor_x;
4410     last_cursor_y = cursor_y;
4411     delete_old_brush = TRUE;
4412   }
4413 }
4414
4415 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
4416                             int button)
4417 {
4418   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
4419 }
4420
4421 static void CopyBrushToLevel(int x, int y, int button)
4422 {
4423   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
4424 }
4425
4426 static void CopyBrushToCursor(int x, int y)
4427 {
4428   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
4429 }
4430
4431 static void DeleteBrushFromCursor()
4432 {
4433   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
4434 }
4435
4436 static void FloodFill(int from_x, int from_y, int fill_element)
4437 {
4438   int i,x,y;
4439   int old_element;
4440   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
4441   static int safety = 0;
4442
4443   /* check if starting field still has the desired content */
4444   if (Feld[from_x][from_y] == fill_element)
4445     return;
4446
4447   safety++;
4448
4449   if (safety > lev_fieldx*lev_fieldy)
4450     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
4451
4452   old_element = Feld[from_x][from_y];
4453   Feld[from_x][from_y] = fill_element;
4454
4455   for(i=0;i<4;i++)
4456   {
4457     x = from_x + check[i][0];
4458     y = from_y + check[i][1];
4459
4460     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
4461       FloodFill(x, y, fill_element);
4462   }
4463
4464   safety--;
4465 }
4466
4467 /* values for DrawLevelText() modes */
4468 #define TEXT_INIT               0
4469 #define TEXT_SETCURSOR          1
4470 #define TEXT_WRITECHAR          2
4471 #define TEXT_BACKSPACE          3
4472 #define TEXT_NEWLINE            4
4473 #define TEXT_END                5
4474 #define TEXT_QUERY_TYPING       6
4475
4476 static int DrawLevelText(int sx, int sy, char letter, int mode)
4477 {
4478   static short delete_buffer[MAX_LEV_FIELDX];
4479   static int start_sx, start_sy;
4480   static int last_sx, last_sy;
4481   static boolean typing = FALSE;
4482   int letter_element = EL_CHAR_ASCII0 + letter;
4483   int lx = 0, ly = 0;
4484
4485   /* map lower case letters to upper case and convert special characters */
4486   if (letter >= 'a' && letter <= 'z')
4487     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
4488   else if (letter == 'ä' || letter == 'Ä')
4489     letter_element = EL_CHAR_AUMLAUT;
4490   else if (letter == 'ö' || letter == 'Ö')
4491     letter_element = EL_CHAR_OUMLAUT;
4492   else if (letter == 'ü' || letter == 'Ü')
4493     letter_element = EL_CHAR_UUMLAUT;
4494   else if (letter == '^')
4495     letter_element = EL_CHAR_COPYRIGHT;
4496   else
4497     letter_element = EL_CHAR_ASCII0 + letter;
4498
4499   if (mode != TEXT_INIT)
4500   {
4501     if (!typing)
4502       return FALSE;
4503
4504     if (mode != TEXT_SETCURSOR)
4505     {
4506       sx = last_sx;
4507       sy = last_sy;
4508     }
4509
4510     lx = last_sx + level_xpos;
4511     ly = last_sy + level_ypos;
4512   }
4513
4514   switch (mode)
4515   {
4516     case TEXT_INIT:
4517       if (typing)
4518         DrawLevelText(0, 0, 0, TEXT_END);
4519
4520       typing = TRUE;
4521       start_sx = last_sx = sx;
4522       start_sy = last_sy = sy;
4523       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
4524       break;
4525
4526     case TEXT_SETCURSOR:
4527       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
4528       DrawAreaBorder(sx, sy, sx, sy);
4529       last_sx = sx;
4530       last_sy = sy;
4531       break;
4532
4533     case TEXT_WRITECHAR:
4534       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
4535       {
4536         delete_buffer[sx - start_sx] = Feld[lx][ly];
4537         Feld[lx][ly] = letter_element;
4538
4539         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
4540           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
4541         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
4542           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
4543         else
4544           DrawLevelText(0, 0, 0, TEXT_END);
4545       }
4546       break;
4547
4548     case TEXT_BACKSPACE:
4549       if (sx > start_sx)
4550       {
4551         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
4552         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
4553         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
4554       }
4555       break;
4556
4557     case TEXT_NEWLINE:
4558       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
4559         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
4560       else
4561         DrawLevelText(0, 0, 0, TEXT_END);
4562       break;
4563
4564     case TEXT_END:
4565       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4566       DrawMiniElement(sx, sy, Feld[lx][ly]);
4567       typing = FALSE;
4568       break;
4569
4570     case TEXT_QUERY_TYPING:
4571       break;
4572
4573     default:
4574       break;
4575   }
4576
4577   return typing;
4578 }
4579
4580 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
4581                           int element, boolean change_level)
4582 {
4583   int lx = sx + level_xpos;
4584   int ly = sy + level_ypos;
4585
4586   if (element == -1)
4587     DrawMiniElement(sx, sy, Feld[lx][ly]);
4588   else
4589     DrawAreaBorder(sx, sy, sx, sy);
4590 }
4591
4592 static void CopyLevelToUndoBuffer(int mode)
4593 {
4594   static boolean accumulated_undo = FALSE;
4595   boolean new_undo_buffer_position = TRUE;
4596   int last_border_element;
4597   int x, y;
4598
4599   switch (mode)
4600   {
4601     case UNDO_IMMEDIATE:
4602       accumulated_undo = FALSE;
4603       break;
4604
4605     case UNDO_ACCUMULATE:
4606       if (accumulated_undo)
4607         new_undo_buffer_position = FALSE;
4608       accumulated_undo = TRUE;
4609       break;
4610
4611     default:
4612       break;
4613   }
4614
4615   if (new_undo_buffer_position)
4616   {
4617     /* new position in undo buffer ring */
4618     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
4619
4620     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
4621       undo_buffer_steps++;
4622   }
4623
4624   for(x=0; x<lev_fieldx; x++)
4625     for(y=0; y<lev_fieldy; y++)
4626       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
4627
4628   /* check if drawing operation forces change of border style */
4629   last_border_element = BorderElement;
4630   SetBorderElement();
4631   if (BorderElement != last_border_element)
4632     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4633
4634 #if 0
4635 #ifdef DEBUG
4636   printf("level saved to undo buffer\n");
4637 #endif
4638 #endif
4639 }
4640
4641 static void RandomPlacement(int new_element)
4642 {
4643   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4644   int num_free_positions;
4645   int num_percentage;
4646   int num_elements;
4647   int x, y;
4648
4649   /* determine number of free positions for the new elements */
4650   /* (maybe this statement should be formatted a bit more readable...) */
4651   num_free_positions = 0;
4652   for (x=0; x<lev_fieldx; x++)
4653     for (y=0; y<lev_fieldy; y++)
4654       if ((free_position[x][y] =
4655            ((random_placement_background_restricted &&
4656              Feld[x][y] == random_placement_background_element) ||
4657             (!random_placement_background_restricted &&
4658              Feld[x][y] != new_element))) == TRUE)
4659         num_free_positions++;
4660
4661   /* determine number of new elements to place there */
4662   num_percentage = num_free_positions * random_placement_value / 100;
4663   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
4664                   num_percentage : random_placement_value);
4665
4666   /* if not more free positions than elements to place, fill whole level */
4667   if (num_elements >= num_free_positions)
4668   {
4669     for (x=0; x<lev_fieldx; x++)
4670       for (y=0; y<lev_fieldy; y++)
4671         Feld[x][y] = new_element;
4672
4673     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4674     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4675     return;
4676   }
4677
4678   while (num_elements > 0)
4679   {
4680     x = RND(lev_fieldx);
4681     y = RND(lev_fieldy);
4682
4683     /* don't place element at the same position twice */
4684     if (free_position[x][y])
4685     {
4686       free_position[x][y] = FALSE;
4687       Feld[x][y] = new_element;
4688       num_elements--;
4689     }
4690   }
4691
4692   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4693   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4694 }
4695
4696 void WrapLevel(int dx, int dy)
4697 {
4698   int wrap_dx = lev_fieldx - dx;
4699   int wrap_dy = lev_fieldy - dy;
4700   int x, y;
4701
4702   for(x=0; x<lev_fieldx; x++)
4703     for(y=0; y<lev_fieldy; y++)
4704       FieldBackup[x][y] = Feld[x][y];
4705
4706   for(x=0; x<lev_fieldx; x++)
4707     for(y=0; y<lev_fieldy; y++)
4708       Feld[x][y] =
4709         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
4710
4711   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4712   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
4713 }
4714
4715 static void HandleDrawingAreas(struct GadgetInfo *gi)
4716 {
4717   static boolean started_inside_drawing_area = FALSE;
4718   int id = gi->custom_id;
4719   boolean button_press_event;
4720   boolean button_release_event;
4721   boolean inside_drawing_area = !gi->event.off_borders;
4722   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
4723   int actual_drawing_function;
4724   int button = gi->event.button;
4725   int new_element = BUTTON_ELEMENT(button);
4726   int sx = gi->event.x, sy = gi->event.y;
4727   int min_sx = 0, min_sy = 0;
4728   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
4729   int lx = 0, ly = 0;
4730   int min_lx = 0, min_ly = 0;
4731   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
4732   int x, y;
4733
4734   /* handle info callback for each invocation of action callback */
4735   gi->callback_info(gi);
4736
4737   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
4738   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
4739
4740   /* make sure to stay inside drawing area boundaries */
4741   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
4742   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
4743
4744   if (draw_level)
4745   {
4746     /* get positions inside level field */
4747     lx = sx + level_xpos;
4748     ly = sy + level_ypos;
4749
4750     if (!IN_LEV_FIELD(lx, ly))
4751       inside_drawing_area = FALSE;
4752
4753     /* make sure to stay inside level field boundaries */
4754     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
4755     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
4756
4757     /* correct drawing area positions accordingly */
4758     sx = lx - level_xpos;
4759     sy = ly - level_ypos;
4760   }
4761
4762   if (button_press_event)
4763     started_inside_drawing_area = inside_drawing_area;
4764
4765   if (!started_inside_drawing_area)
4766     return;
4767
4768   if (!button && !button_release_event)
4769     return;
4770
4771   /* automatically switch to 'single item' drawing mode, if needed */
4772   actual_drawing_function =
4773     (draw_level ? drawing_function : GADGET_ID_SINGLE_ITEMS);
4774
4775   switch (actual_drawing_function)
4776   {
4777     case GADGET_ID_SINGLE_ITEMS:
4778       if (draw_level)
4779       {
4780         if (button_release_event)
4781         {
4782           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4783
4784           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
4785               !inside_drawing_area)
4786             DeleteBrushFromCursor();
4787         }
4788
4789         if (!button)
4790           break;
4791
4792         if (draw_with_brush)
4793         {
4794           if (!button_release_event)
4795             CopyBrushToLevel(sx, sy, button);
4796         }
4797         else if (new_element != Feld[lx][ly])
4798         {
4799           if (new_element == EL_PLAYER_1)
4800           {
4801             /* remove player at old position */
4802             for(y=0; y<lev_fieldy; y++)
4803             {
4804               for(x=0; x<lev_fieldx; x++)
4805               {
4806                 if (Feld[x][y] == EL_PLAYER_1)
4807                 {
4808                   Feld[x][y] = EL_EMPTY;
4809                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
4810                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
4811                     DrawMiniElement(x - level_xpos, y - level_ypos,
4812                                     EL_EMPTY);
4813                 }
4814               }
4815             }
4816           }
4817
4818           Feld[lx][ly] = new_element;
4819           DrawMiniElement(sx, sy, new_element);
4820         }
4821       }
4822       else
4823       {
4824         DrawMiniGraphicExt(drawto,
4825                            gi->x + sx * MINI_TILEX,
4826                            gi->y + sy * MINI_TILEY,
4827                            el2edimg(new_element));
4828         DrawMiniGraphicExt(window,
4829                            gi->x + sx * MINI_TILEX,
4830                            gi->y + sy * MINI_TILEY,
4831                            el2edimg(new_element));
4832
4833         if (id == GADGET_ID_AMOEBA_CONTENT)
4834           level.amoeba_content = new_element;
4835         else if (id == GADGET_ID_CUSTOM_CHANGED &&
4836                  IS_CUSTOM_ELEMENT(properties_element))
4837         {
4838           int i = properties_element - EL_CUSTOM_START;
4839
4840           custom_element_change.successor = new_element;
4841           level.custom_element[i].change = custom_element_change;
4842         }
4843         else if (id == GADGET_ID_RANDOM_BACKGROUND)
4844           random_placement_background_element = new_element;
4845         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
4846                  id <= GADGET_ID_ELEMENT_CONTENT_7)
4847           level.yam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
4848             new_element;
4849       }
4850       break;
4851
4852     case GADGET_ID_CONNECTED_ITEMS:
4853       {
4854         static int last_sx = -1;
4855         static int last_sy = -1;
4856
4857         if (button_release_event)
4858           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4859
4860         if (button)
4861         {
4862           if (!button_press_event)
4863             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
4864
4865           last_sx = sx;
4866           last_sy = sy;
4867         }
4868       }
4869       break;
4870
4871     case GADGET_ID_LINE:
4872     case GADGET_ID_ARC:
4873     case GADGET_ID_RECTANGLE:
4874     case GADGET_ID_FILLED_BOX:
4875     case GADGET_ID_GRAB_BRUSH:
4876     case GADGET_ID_TEXT:
4877       {
4878         static int last_sx = -1;
4879         static int last_sy = -1;
4880         static int start_sx = -1;
4881         static int start_sy = -1;
4882         void (*draw_func)(int, int, int, int, int, boolean);
4883
4884         if (drawing_function == GADGET_ID_LINE)
4885           draw_func = DrawLine;
4886         else if (drawing_function == GADGET_ID_ARC)
4887           draw_func = DrawArc;
4888         else if (drawing_function == GADGET_ID_RECTANGLE)
4889           draw_func = DrawBox;
4890         else if (drawing_function == GADGET_ID_FILLED_BOX)
4891           draw_func = DrawFilledBox;
4892         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
4893           draw_func = SelectArea;
4894         else /* (drawing_function == GADGET_ID_TEXT) */
4895           draw_func = SetTextCursor;
4896
4897         if (button_press_event)
4898         {
4899           draw_func(sx, sy, sx, sy, new_element, FALSE);
4900           start_sx = last_sx = sx;
4901           start_sy = last_sy = sy;
4902
4903           if (drawing_function == GADGET_ID_TEXT)
4904             DrawLevelText(0, 0, 0, TEXT_END);
4905         }
4906         else if (button_release_event)
4907         {
4908           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
4909           if (drawing_function == GADGET_ID_GRAB_BRUSH)
4910           {
4911             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
4912             CopyBrushToCursor(sx, sy);
4913             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
4914                           MB_LEFTBUTTON);
4915             draw_with_brush = TRUE;
4916           }
4917           else if (drawing_function == GADGET_ID_TEXT)
4918             DrawLevelText(sx, sy, 0, TEXT_INIT);
4919           else
4920             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4921         }
4922         else if (last_sx != sx || last_sy != sy)
4923         {
4924           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
4925           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
4926           last_sx = sx;
4927           last_sy = sy;
4928         }
4929       }
4930       break;
4931
4932     case GADGET_ID_FLOOD_FILL:
4933       if (button_press_event && Feld[lx][ly] != new_element)
4934       {
4935         FloodFill(lx, ly, new_element);
4936         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4937         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4938       }
4939       break;
4940
4941     case GADGET_ID_PICK_ELEMENT:
4942       if (button_release_event)
4943         ClickOnGadget(level_editor_gadget[last_drawing_function],
4944                       MB_LEFTBUTTON);
4945       else
4946         PickDrawingElement(button, Feld[lx][ly]);
4947
4948       break;
4949
4950     default:
4951       break;
4952   }
4953 }
4954
4955 static void HandleCounterButtons(struct GadgetInfo *gi)
4956 {
4957   int gadget_id = gi->custom_id;
4958   int counter_id = gi->custom_type_id;
4959   int button = gi->event.button;
4960   int *counter_value = counterbutton_info[counter_id].value;
4961   int step = BUTTON_STEPSIZE(button) *
4962     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
4963
4964   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
4965   {
4966     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
4967     boolean released = (gi->event.type == GD_EVENT_RELEASED);
4968     boolean level_changed = LevelChanged();
4969
4970     if ((level_changed && pressed) || (!level_changed && released))
4971       return;
4972
4973     if (level_changed && !Request("Level has changed! Discard changes ?",
4974                                   REQ_ASK))
4975     {
4976       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
4977         ModifyEditorCounter(counter_id, *counter_value);
4978       return;
4979     }
4980   }
4981
4982   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
4983     *counter_value = gi->text.number_value;
4984   else
4985     ModifyEditorCounter(counter_id, *counter_value + step);
4986
4987   switch (counter_id)
4988   {
4989     case ED_COUNTER_ID_ELEMENT_CONTENT:
4990       DrawElementContentAreas();
4991       break;
4992
4993     case ED_COUNTER_ID_LEVEL_XSIZE:
4994     case ED_COUNTER_ID_LEVEL_YSIZE:
4995       lev_fieldx = level.fieldx;
4996       lev_fieldy = level.fieldy;
4997       break;
4998
4999     case ED_COUNTER_ID_SELECT_LEVEL:
5000       LoadLevel(level_nr);
5001       TapeErase();
5002       ResetUndoBuffer();
5003       DrawEditModeWindow();
5004       break;
5005
5006     default:
5007       break;
5008   }
5009
5010   if (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
5011       counter_id <= ED_COUNTER_ID_CHANGE_LAST)
5012     CopyCustomElementPropertiesToGame(properties_element);
5013 }
5014
5015 static void HandleTextInputGadgets(struct GadgetInfo *gi)
5016 {
5017   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
5018 }
5019
5020 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
5021 {
5022   int type_id = gi->custom_type_id;
5023
5024   *selectbox_info[type_id].index = gi->selectbox.index;
5025   *selectbox_info[type_id].value =
5026     selectbox_info[type_id].options[gi->selectbox.index].value;
5027
5028   if (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
5029       type_id <= ED_SELECTBOX_ID_CHANGE_LAST)
5030     CopyCustomElementPropertiesToGame(properties_element);
5031
5032 #if 0
5033   printf("Selected text value: '%s' [%d]\n",
5034          selectbox_info[type_id].options[gi->selectbox.index].text,
5035          selectbox_info[type_id].options[gi->selectbox.index].value);
5036 #endif
5037 }
5038
5039 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
5040 {
5041   if (gi->custom_type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
5042       gi->custom_type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
5043   {
5044     edit_mode_properties = gi->custom_type_id;
5045
5046     DrawPropertiesWindow();
5047   }
5048 }
5049
5050 static void HandleRadiobuttons(struct GadgetInfo *gi)
5051 {
5052   *radiobutton_info[gi->custom_type_id].value =
5053     radiobutton_info[gi->custom_type_id].checked_value;
5054 }
5055
5056 static void HandleCheckbuttons(struct GadgetInfo *gi)
5057 {
5058   int type_id = gi->custom_type_id;
5059
5060   *checkbutton_info[type_id].value ^= TRUE;
5061
5062   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
5063        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
5064       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
5065        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST))
5066     CopyCustomElementPropertiesToGame(properties_element);
5067 }
5068
5069 static void HandleControlButtons(struct GadgetInfo *gi)
5070 {
5071   int id = gi->custom_id;
5072   int button = gi->event.button;
5073   int step = BUTTON_STEPSIZE(button);
5074   int new_element = BUTTON_ELEMENT(button);
5075   int i, x, y;
5076
5077   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
5078     DrawLevelText(0, 0, 0, TEXT_END);
5079
5080   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
5081       edit_mode != ED_MODE_DRAWING)
5082   {
5083     DrawDrawingWindow();
5084     edit_mode = ED_MODE_DRAWING;
5085   }
5086
5087   switch (id)
5088   {
5089     case GADGET_ID_SCROLL_LEFT:
5090       if (level_xpos >= 0)
5091       {
5092         if (lev_fieldx < ed_fieldx - 2)
5093           break;
5094
5095         level_xpos -= step;
5096         if (level_xpos < -1)
5097           level_xpos = -1;
5098         if (button == 1)
5099           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
5100         else
5101           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5102
5103         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5104                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5105       }
5106       break;
5107
5108     case GADGET_ID_SCROLL_RIGHT:
5109       if (level_xpos <= lev_fieldx - ed_fieldx)
5110       {
5111         if (lev_fieldx < ed_fieldx - 2)
5112           break;
5113
5114         level_xpos += step;
5115         if (level_xpos > lev_fieldx - ed_fieldx + 1)
5116           level_xpos = lev_fieldx - ed_fieldx + 1;
5117         if (button == 1)
5118           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
5119         else
5120           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5121
5122         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5123                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5124       }
5125       break;
5126
5127     case GADGET_ID_SCROLL_UP:
5128       if (level_ypos >= 0)
5129       {
5130         if (lev_fieldy < ed_fieldy - 2)
5131           break;
5132
5133         level_ypos -= step;
5134         if (level_ypos < -1)
5135           level_ypos = -1;
5136         if (button == 1)
5137           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
5138         else
5139           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5140
5141         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5142                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5143       }
5144       break;
5145
5146     case GADGET_ID_SCROLL_DOWN:
5147       if (level_ypos <= lev_fieldy - ed_fieldy)
5148       {
5149         if (lev_fieldy < ed_fieldy - 2)
5150           break;
5151
5152         level_ypos += step;
5153         if (level_ypos > lev_fieldy - ed_fieldy + 1)
5154           level_ypos = lev_fieldy - ed_fieldy + 1;
5155         if (button == 1)
5156           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
5157         else
5158           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5159
5160         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5161                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5162       }
5163       break;
5164
5165     case GADGET_ID_SCROLL_HORIZONTAL:
5166       level_xpos = gi->event.item_position - 1;
5167       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5168       break;
5169
5170     case GADGET_ID_SCROLL_VERTICAL:
5171       level_ypos = gi->event.item_position - 1;
5172       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5173       break;
5174
5175     case GADGET_ID_SCROLL_LIST_UP:
5176     case GADGET_ID_SCROLL_LIST_DOWN:
5177     case GADGET_ID_SCROLL_LIST_VERTICAL:
5178       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
5179         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
5180       else
5181       {
5182         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
5183         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
5184
5185         if (element_shift < 0)
5186           element_shift = 0;
5187         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
5188           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
5189
5190         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
5191                      GDI_SCROLLBAR_ITEM_POSITION,
5192                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
5193       }
5194
5195       for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
5196       {
5197         int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
5198         struct GadgetInfo *gi = level_editor_gadget[gadget_id];
5199         struct GadgetDesign *gd = &gi->deco.design;
5200         int element = editor_elements[element_shift + i];
5201
5202         UnmapGadget(gi);
5203         getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
5204         ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
5205         MapGadget(gi);
5206       }
5207       break;
5208
5209     case GADGET_ID_WRAP_LEFT:
5210       WrapLevel(-step, 0);
5211       break;
5212
5213     case GADGET_ID_WRAP_RIGHT:
5214       WrapLevel(step, 0);
5215       break;
5216
5217     case GADGET_ID_WRAP_UP:
5218       WrapLevel(0, -step);
5219       break;
5220
5221     case GADGET_ID_WRAP_DOWN:
5222       WrapLevel(0, step);
5223       break;
5224
5225     case GADGET_ID_SINGLE_ITEMS:
5226     case GADGET_ID_CONNECTED_ITEMS:
5227     case GADGET_ID_LINE:
5228     case GADGET_ID_ARC:
5229     case GADGET_ID_TEXT:
5230     case GADGET_ID_RECTANGLE:
5231     case GADGET_ID_FILLED_BOX:
5232     case GADGET_ID_FLOOD_FILL:
5233     case GADGET_ID_GRAB_BRUSH:
5234     case GADGET_ID_PICK_ELEMENT:
5235       if (drawing_function != GADGET_ID_PICK_ELEMENT)
5236         last_drawing_function = drawing_function;
5237       drawing_function = id;
5238       draw_with_brush = FALSE;
5239       break;
5240
5241     case GADGET_ID_RANDOM_PLACEMENT:
5242       RandomPlacement(new_element);
5243       break;
5244
5245     case GADGET_ID_PROPERTIES:
5246       if (edit_mode != ED_MODE_PROPERTIES)
5247       {
5248         properties_element = new_element;
5249         DrawPropertiesWindow();
5250         edit_mode = ED_MODE_PROPERTIES;
5251       }
5252       else
5253       {
5254         DrawDrawingWindow();
5255         edit_mode = ED_MODE_DRAWING;
5256       }
5257       break;
5258
5259     case GADGET_ID_UNDO:
5260       if (undo_buffer_steps == 0)
5261       {
5262         Request("Undo buffer empty !", REQ_CONFIRM);
5263         break;
5264       }
5265
5266       undo_buffer_position =
5267         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
5268       undo_buffer_steps--;
5269
5270       for(x=0; x<lev_fieldx; x++)
5271         for(y=0; y<lev_fieldy; y++)
5272           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
5273       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
5274       break;
5275
5276     case GADGET_ID_INFO:
5277       if (edit_mode != ED_MODE_INFO)
5278       {
5279         DrawLevelInfoWindow();
5280         edit_mode = ED_MODE_INFO;
5281       }
5282       else
5283       {
5284         DrawDrawingWindow();
5285         edit_mode = ED_MODE_DRAWING;
5286       }
5287       break;
5288
5289     case GADGET_ID_CLEAR:
5290       for(x=0; x<MAX_LEV_FIELDX; x++)
5291         for(y=0; y<MAX_LEV_FIELDY; y++)
5292           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
5293       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
5294
5295       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5296       break;
5297
5298     case GADGET_ID_SAVE:
5299       if (leveldir_current->readonly)
5300       {
5301         Request("This level is read only !", REQ_CONFIRM);
5302         break;
5303       }
5304
5305       if (!LevelContainsPlayer)
5306         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5307       else
5308       {
5309         if (Request("Save this level and kill the old ?", REQ_ASK))
5310         {
5311           CopyPlayfield(Feld, Ur);
5312
5313           SaveLevel(level_nr);
5314         }
5315       }
5316       break;
5317
5318     case GADGET_ID_TEST:
5319       if (!LevelContainsPlayer)
5320         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5321       else
5322       {
5323         if (LevelChanged())
5324           level.game_version = GAME_VERSION_ACTUAL;
5325
5326         CopyPlayfield(Ur, FieldBackup);
5327         CopyPlayfield(Feld, Ur);
5328
5329         UnmapLevelEditorGadgets();
5330         UndrawSpecialEditorDoor();
5331
5332         CloseDoor(DOOR_CLOSE_ALL);
5333
5334         DrawCompleteVideoDisplay();
5335
5336         if (setup.autorecord)
5337           TapeStartRecording();
5338
5339         level_editor_test_game = TRUE;
5340         game_status = GAME_MODE_PLAYING;
5341
5342         InitGame();
5343       }
5344       break;
5345
5346     case GADGET_ID_EXIT:
5347       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
5348       break;
5349
5350     default:
5351       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
5352           id <= GADGET_ID_ELEMENTLIST_LAST)
5353       {
5354         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
5355         int new_element = editor_elements[element_position + element_shift];
5356
5357         PickDrawingElement(button, new_element);
5358
5359 #if 1
5360         if (!stick_element_properties_window)
5361 #else
5362         if (!HAS_CONTENT(properties_element) ||
5363             !stick_element_properties_window)
5364 #endif
5365         {
5366           properties_element = new_element;
5367           if (edit_mode == ED_MODE_PROPERTIES)
5368             DrawPropertiesWindow();
5369         }
5370
5371         if (drawing_function == GADGET_ID_PICK_ELEMENT)
5372           ClickOnGadget(level_editor_gadget[last_drawing_function],
5373                         MB_LEFTBUTTON);
5374       }
5375 #ifdef DEBUG
5376       else if (gi->event.type == GD_EVENT_PRESSED)
5377         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
5378       else if (gi->event.type == GD_EVENT_RELEASED)
5379         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
5380       else if (gi->event.type == GD_EVENT_MOVING)
5381         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
5382       else
5383         printf("default: HandleControlButtons: ? (id == %d)\n", id);
5384 #endif
5385       break;
5386   }
5387 }
5388
5389 void HandleLevelEditorKeyInput(Key key)
5390 {
5391   char letter = getCharFromKey(key);
5392   int button = MB_LEFTBUTTON;
5393
5394   if (drawing_function == GADGET_ID_TEXT &&
5395       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
5396   {
5397     if (letter)
5398       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
5399     else if (key == KSYM_Delete || key == KSYM_BackSpace)
5400       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
5401     else if (key == KSYM_Return)
5402       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
5403     else if (key == KSYM_Escape)
5404       DrawLevelText(0, 0, 0, TEXT_END);
5405   }
5406   else if (button_status == MB_RELEASED)
5407   {
5408     int i, id = GADGET_ID_NONE;
5409
5410     switch (key)
5411     {
5412       case KSYM_Left:
5413         id = GADGET_ID_SCROLL_LEFT;
5414         break;
5415       case KSYM_Right:
5416         id = GADGET_ID_SCROLL_RIGHT;
5417         break;
5418       case KSYM_Up:
5419         id = GADGET_ID_SCROLL_UP;
5420         break;
5421       case KSYM_Down:
5422         id = GADGET_ID_SCROLL_DOWN;
5423         break;
5424       case KSYM_Page_Up:
5425         id = GADGET_ID_SCROLL_LIST_UP;
5426         button = MB_RIGHTBUTTON;
5427         break;
5428       case KSYM_Page_Down:
5429         id = GADGET_ID_SCROLL_LIST_DOWN;
5430         button = MB_RIGHTBUTTON;
5431         break;
5432
5433       case KSYM_Escape:
5434         if (edit_mode == ED_MODE_DRAWING)
5435         {
5436           RequestExitLevelEditor(setup.ask_on_escape);
5437         }
5438         else
5439         {
5440           DrawDrawingWindow();
5441           edit_mode = ED_MODE_DRAWING;
5442         }
5443         break;
5444
5445       default:
5446         break;
5447     }
5448
5449     if (id != GADGET_ID_NONE)
5450       ClickOnGadget(level_editor_gadget[id], button);
5451     else if (letter == '.')
5452       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
5453     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
5454       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
5455     else
5456       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
5457         if (letter && letter == control_info[i].shortcut)
5458           if (!anyTextGadgetActive())
5459             ClickOnGadget(level_editor_gadget[i], button);
5460   }
5461 }
5462
5463 void HandleLevelEditorIdle()
5464 {
5465   static unsigned long action_delay = 0;
5466   unsigned long action_delay_value = GameFrameDelay;
5467   int xpos = 1, ypos = 2;
5468
5469   if (edit_mode != ED_MODE_PROPERTIES)
5470     return;
5471
5472   if (!DelayReached(&action_delay, action_delay_value))
5473     return;
5474
5475   DrawGraphicAnimationExt(drawto,
5476                           SX + xpos * TILEX,
5477                           SY + ypos * TILEY + MINI_TILEY / 2,
5478                           el2img(properties_element), -1, NO_MASKING);
5479
5480   MarkTileDirty(xpos, ypos);
5481   MarkTileDirty(xpos, ypos + 1);
5482
5483   FrameCounter++;       /* increase animation frame counter */
5484 }
5485
5486 void ClearEditorGadgetInfoText()
5487 {
5488   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
5489 }
5490
5491 void HandleEditorGadgetInfoText(void *ptr)
5492 {
5493   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
5494   char infotext[MAX_OUTPUT_LINESIZE + 1];
5495   char shortcut[MAX_OUTPUT_LINESIZE + 1];
5496   int max_infotext_len = getMaxInfoTextLength();
5497
5498   if (game_status != GAME_MODE_EDITOR)
5499     return;
5500
5501   ClearEditorGadgetInfoText();
5502
5503   if (gi->event.type == GD_EVENT_INFO_LEAVING)
5504     return;
5505
5506   /* misuse this function to delete brush cursor, if needed */
5507   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
5508     DeleteBrushFromCursor();
5509
5510   if (gi == NULL || gi->info_text == NULL)
5511     return;
5512
5513   strncpy(infotext, gi->info_text, max_infotext_len);
5514   infotext[max_infotext_len] = '\0';
5515
5516   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
5517   {
5518     int key = control_info[gi->custom_id].shortcut;
5519
5520     if (key)
5521     {
5522       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
5523         sprintf(shortcut, " ('.' or '%c')", key);
5524       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
5525         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
5526       else                                              /* normal case */
5527         sprintf(shortcut, " ('%s%c')",
5528                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
5529
5530       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
5531         strcat(infotext, shortcut);
5532     }
5533   }
5534
5535   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
5536 }
5537
5538 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
5539 {
5540   static int start_lx, start_ly;
5541   char *infotext;
5542   int id = gi->custom_id;
5543   int sx = gi->event.x;
5544   int sy = gi->event.y;
5545   int lx = sx + level_xpos;
5546   int ly = sy + level_ypos;
5547   int min_sx = 0, min_sy = 0;
5548   int max_sx = gi->drawing.area_xsize - 1;
5549   int max_sy = gi->drawing.area_ysize - 1;
5550
5551   ClearEditorGadgetInfoText();
5552
5553   if (gi->event.type == GD_EVENT_INFO_LEAVING)
5554     return;
5555
5556   /* make sure to stay inside drawing area boundaries */
5557   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
5558   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
5559
5560   if (id == GADGET_ID_DRAWING_LEVEL)
5561   {
5562     if (button_status)
5563     {
5564       int min_lx = 0, min_ly = 0;
5565       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
5566
5567       /* get positions inside level field */
5568       lx = sx + level_xpos;
5569       ly = sy + level_ypos;
5570
5571       /* make sure to stay inside level field boundaries */
5572       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5573       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5574
5575       /* correct drawing area positions accordingly */
5576       sx = lx - level_xpos;
5577       sy = ly - level_ypos;
5578     }
5579
5580     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
5581     {
5582       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
5583       {
5584         if (gi->event.type == GD_EVENT_PRESSED)
5585         {
5586           start_lx = lx;
5587           start_ly = ly;
5588         }
5589
5590         switch (drawing_function)
5591         {
5592           case GADGET_ID_SINGLE_ITEMS:
5593             infotext = "Drawing single items";
5594             break;
5595           case GADGET_ID_CONNECTED_ITEMS:
5596             infotext = "Drawing connected items";
5597             break;
5598           case GADGET_ID_LINE:
5599             infotext = "Drawing line";
5600             break;
5601           case GADGET_ID_ARC:
5602             infotext = "Drawing arc";
5603             break;
5604           case GADGET_ID_TEXT:
5605             infotext = "Setting text cursor";
5606             break;
5607           case GADGET_ID_RECTANGLE:
5608             infotext = "Drawing rectangle";
5609             break;
5610           case GADGET_ID_FILLED_BOX:
5611             infotext = "Drawing filled box";
5612             break;
5613           case GADGET_ID_FLOOD_FILL:
5614             infotext = "Flood fill";
5615             break;
5616           case GADGET_ID_GRAB_BRUSH:
5617             infotext = "Grabbing brush";
5618             break;
5619           case GADGET_ID_PICK_ELEMENT:
5620             infotext = "Picking element";
5621             break;
5622
5623           default:
5624             infotext = "Drawing position";
5625             break;
5626         }
5627
5628         if (drawing_function == GADGET_ID_PICK_ELEMENT)
5629           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5630                     "%s: %d, %d", infotext, lx, ly);
5631         else
5632           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5633                     "%s: %d, %d", infotext,
5634                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
5635       }
5636       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
5637         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5638                   "%s", getElementInfoText(Feld[lx][ly]));
5639       else
5640         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5641                   "Level position: %d, %d", lx, ly);
5642     }
5643
5644     /* misuse this function to draw brush cursor, if needed */
5645     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
5646     {
5647       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5648         CopyBrushToCursor(sx, sy);
5649       else
5650         DeleteBrushFromCursor();
5651     }
5652   }
5653   else if (id == GADGET_ID_AMOEBA_CONTENT)
5654     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5655               "Amoeba content");
5656   else if (id == GADGET_ID_CUSTOM_CHANGED)
5657     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5658               "New element after change");
5659   else if (id == GADGET_ID_RANDOM_BACKGROUND)
5660     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5661               "Random placement background");
5662   else
5663     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5664               "Content area %d position: %d, %d",
5665               id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
5666 }
5667
5668 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
5669 {
5670   if (!ask_if_level_has_changed ||
5671       !LevelChanged() ||
5672       Request("Level has changed! Exit without saving ?",
5673               REQ_ASK | REQ_STAY_OPEN))
5674   {
5675     CloseDoor(DOOR_CLOSE_1);
5676     /*
5677     CloseDoor(DOOR_CLOSE_ALL);
5678     */
5679     game_status = GAME_MODE_MAIN;
5680     DrawMainMenu();
5681   }
5682   else
5683   {
5684     CloseDoor(DOOR_CLOSE_1);
5685     BlitBitmap(bitmap_db_door, bitmap_db_door,
5686                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
5687                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
5688     OpenDoor(DOOR_OPEN_1);
5689   }
5690 }