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_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 310 #define GADGET_ID_CUSTOM_CHANGED        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 311 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 12)
 312
 313 /* text input identifiers */
 314 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 13)
 315
 316 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 317 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 318
 319 /* selectbox identifiers */
 320 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 2)
 321
 322 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 0)
 323 #define GADGET_ID_CHANGE_CAUSE          (GADGET_ID_SELECTBOX_FIRST + 1)
 324
 325 /* textbutton identifiers */
 326 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 2)
 327
 328 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 329 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 330 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 331
 332 /* gadgets for scrolling of drawing area */
 333 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_TEXTBUTTON_FIRST + 3)
 334
 335 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 336 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 337 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 338 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 339 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 340 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 341
 342 /* gadgets for scrolling element list */
 343 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 344
 345 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 346 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 347 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 348
 349 /* buttons for level/element properties */
 350 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 351
 352 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 353 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 354 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 355 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 356 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 357 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 358 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 359 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 7)
 360 #define GADGET_ID_CUSTOM_DIGGABLE       (GADGET_ID_CHECKBUTTON_FIRST + 8)
 361 #define GADGET_ID_CUSTOM_COLLECTIBLE    (GADGET_ID_CHECKBUTTON_FIRST + 9)
 362 #define GADGET_ID_CUSTOM_PUSHABLE       (GADGET_ID_CHECKBUTTON_FIRST + 10)
 363 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 11)
 364 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 12)
 365 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 366 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 367 #define GADGET_ID_CUSTOM_WALKABLE_OVER  (GADGET_ID_CHECKBUTTON_FIRST + 15)
 368 #define GADGET_ID_CUSTOM_WALKABLE_INSIDE (GADGET_ID_CHECKBUTTON_FIRST+ 16)
 369 #define GADGET_ID_CUSTOM_WALKABLE_UNDER (GADGET_ID_CHECKBUTTON_FIRST + 17)
 370 #define GADGET_ID_CUSTOM_CHANGEABLE     (GADGET_ID_CHECKBUTTON_FIRST + 18)
 371 #define GADGET_ID_CHANGE_DELAY_FIXED    (GADGET_ID_CHECKBUTTON_FIRST + 19)
 372 #define GADGET_ID_CHANGE_DELAY_RANDOM   (GADGET_ID_CHECKBUTTON_FIRST + 20)
 373
 374 /* gadgets for buttons in element list */
 375 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 21)
 376 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 377                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 378
 379 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 380
 381 /* radio button numbers */
 382 #define RADIO_NR_NONE                   0
 383 #define RADIO_NR_DRAWING_TOOLBOX        1
 384 #define RADIO_NR_RANDOM_ELEMENTS        2
 385
 386 /* values for counter gadgets */
 387 #define ED_COUNTER_ID_SELECT_LEVEL      0
 388 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 389 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 390 #define ED_COUNTER_ID_LEVEL_COLLECT     3
 391 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 392 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 393 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 394 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 395 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 396 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  9
 397 #define ED_COUNTER_ID_CHANGE_DELAY_RND  10
 398
 399 #define ED_NUM_COUNTERBUTTONS           11
 400
 401 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 402 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 403
 404 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 405 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_DELAY_RND
 406
 407 /* values for scrollbutton gadgets */
 408 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 409 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 410 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 411 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 412 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 413 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 414
 415 #define ED_NUM_SCROLLBUTTONS            6
 416
 417 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 418 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 419
 420 /* values for scrollbar gadgets */
 421 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 422 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 423 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 424
 425 #define ED_NUM_SCROLLBARS               3
 426
 427 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 428 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 429
 430 /* values for text input gadgets */
 431 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 432 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 433
 434 #define ED_NUM_TEXTINPUT                2
 435
 436 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 437 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 438
 439 /* values for selectbox gadgets */
 440 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       0
 441 #define ED_SELECTBOX_ID_CHANGE_CAUSE            1
 442
 443 #define ED_NUM_SELECTBOX                        2
 444
 445 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 446 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_CHANGE_CAUSE
 447
 448 /* values for textbutton gadgets */
 449 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 450 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 451 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 452
 453 #define ED_NUM_TEXTBUTTON                       3
 454
 455 /* values for checkbutton gadgets */
 456 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 457 #define ED_CHECKBUTTON_ID_GRAVITY               1
 458 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 459 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 460 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 461 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 5
 462 #define ED_CHECKBUTTON_ID_CUSTOM_DIGGABLE       6
 463 #define ED_CHECKBUTTON_ID_CUSTOM_COLLECTIBLE    7
 464 #define ED_CHECKBUTTON_ID_CUSTOM_PUSHABLE       8
 465 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       9
 466 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      10
 467 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       11
 468 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       12
 469 #define ED_CHECKBUTTON_ID_CUSTOM_WALKABLE_OVER  13
 470 #define ED_CHECKBUTTON_ID_CUSTOM_WALKABLE_INSIDE 14
 471 #define ED_CHECKBUTTON_ID_CUSTOM_WALKABLE_UNDER 15
 472 #define ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE     16
 473 #define ED_CHECKBUTTON_ID_CHANGE_DELAY_FIXED    17
 474 #define ED_CHECKBUTTON_ID_CHANGE_DELAY_RANDOM   18
 475
 476 #define ED_NUM_CHECKBUTTONS                     19
 477
 478 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 479 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 480
 481 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 482 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_WALKABLE_UNDER
 483
 484 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE
 485 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_DELAY_RANDOM
 486
 487 /* values for radiobutton gadgets */
 488 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 489 #define ED_RADIOBUTTON_ID_QUANTITY      1
 490
 491 #define ED_NUM_RADIOBUTTONS             2
 492
 493 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 494 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 495
 496
 497 /*
 498   -----------------------------------------------------------------------------
 499   some internally used definitions
 500   -----------------------------------------------------------------------------
 501 */
 502
 503 /* values for CopyLevelToUndoBuffer() */
 504 #define UNDO_IMMEDIATE                  0
 505 #define UNDO_ACCUMULATE                 1
 506
 507 /* values for scrollbars */
 508 #define ED_SCROLL_NO                    0
 509 #define ED_SCROLL_LEFT                  1
 510 #define ED_SCROLL_RIGHT                 2
 511 #define ED_SCROLL_UP                    4
 512 #define ED_SCROLL_DOWN                  8
 513
 514 /* screens in the level editor */
 515 #define ED_MODE_DRAWING                 0
 516 #define ED_MODE_INFO                    1
 517 #define ED_MODE_PROPERTIES              2
 518
 519 /* sub-screens in the element properties section */
 520 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 521 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 522 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 523
 524 /* how many steps can be cancelled */
 525 #define NUM_UNDO_STEPS                  (10 + 1)
 526
 527 /* values for elements with score */
 528 #define MIN_SCORE                       0
 529 #define MAX_SCORE                       255
 530
 531 /* values for random placement */
 532 #define RANDOM_USE_PERCENTAGE           0
 533 #define RANDOM_USE_QUANTITY             1
 534
 535 /* maximal size of level editor drawing area */
 536 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 537 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 538
 539
 540 /*
 541   -----------------------------------------------------------------------------
 542   some internally used data structure definitions
 543   -----------------------------------------------------------------------------
 544 */
 545
 546 static struct
 547 {
 548   char shortcut;
 549   char *text;
 550 } control_info[ED_NUM_CTRL_BUTTONS] =
 551 {
 552   { 's',        "draw single items"             },
 553   { 'd',        "draw connected items"          },
 554   { 'l',        "draw lines"                    },
 555   { 'a',        "draw arcs"                     },
 556   { 'r',        "draw outline rectangles"       },
 557   { 'R',        "draw filled rectangles"        },
 558   { '\0',       "wrap (rotate) level up"        },
 559   { 't',        "enter text elements"           },
 560   { 'f',        "flood fill"                    },
 561   { '\0',       "wrap (rotate) level left"      },
 562   { '?',        "properties of drawing element" },
 563   { '\0',       "wrap (rotate) level right"     },
 564   { '\0',       "random element placement"      },
 565   { 'b',        "grab brush"                    },
 566   { '\0',       "wrap (rotate) level down"      },
 567   { ',',        "pick drawing element"          },
 568   { 'U',        "undo last operation"           },
 569   { 'I',        "level properties"              },
 570   { 'S',        "save level"                    },
 571   { 'C',        "clear level"                   },
 572   { 'T',        "test level"                    },
 573   { 'E',        "exit level editor"             }
 574 };
 575
 576 static int random_placement_value = 10;
 577 static int random_placement_method = RANDOM_USE_QUANTITY;
 578 static int random_placement_background_element = EL_SAND;
 579 static boolean random_placement_background_restricted = FALSE;
 580 static boolean stick_element_properties_window = FALSE;
 581 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 582 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 583 static struct CustomElementChangeInfo custom_element_change;
 584
 585 static struct
 586 {
 587   int x, y;
 588   int min_value, max_value;
 589   int gadget_id_down, gadget_id_up;
 590   int gadget_id_text;
 591   int *value;
 592   char *infotext_above, *infotext_right;
 593 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 594 {
 595   {
 596     DX + 5 - SX,                        DY + 3 - SY,
 597     1,                                  100,
 598     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 599     GADGET_ID_SELECT_LEVEL_TEXT,
 600     &level_nr,
 601     NULL,                               NULL
 602   },
 603   {
 604     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(2),
 605     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 606     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 607     GADGET_ID_LEVEL_XSIZE_TEXT,
 608     &level.fieldx,
 609     "playfield size",                   "width",
 610   },
 611   {
 612     ED_SETTINGS_XPOS + 2 * DXSIZE,      ED_COUNTER_YPOS(2),
 613     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 614     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 615     GADGET_ID_LEVEL_YSIZE_TEXT,
 616     &level.fieldy,
 617     NULL,                               "height",
 618   },
 619   {
 620     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(3),
 621     0,                                  999,
 622     GADGET_ID_LEVEL_COLLECT_DOWN,       GADGET_ID_LEVEL_COLLECT_UP,
 623     GADGET_ID_LEVEL_COLLECT_TEXT,
 624     &level.gems_needed,
 625     "number of emeralds to collect",    NULL
 626   },
 627   {
 628     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 629     0,                                  999,
 630     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 631     GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 632     &level.time,
 633     "time available to solve level",    "(0 => no time limit)"
 634   },
 635   {
 636     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(5),
 637     0,                                  255,
 638     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 639     GADGET_ID_LEVEL_TIMESCORE_TEXT,
 640     &level.score[SC_TIME_BONUS],
 641     "score for each 10 seconds left",   NULL
 642   },
 643   {
 644     ED_SETTINGS_XPOS,                   ED_COUNTER2_YPOS(8),
 645     1,                                  100,
 646     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 647     GADGET_ID_LEVEL_RANDOM_TEXT,
 648     &random_placement_value,
 649     "random element placement",         "in"
 650   },
 651   {
 652     ED_COUNT_ELEMENT_SCORE_XPOS,        ED_COUNT_ELEMENT_SCORE_YPOS,
 653     MIN_SCORE,                          MAX_SCORE,
 654     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 655     GADGET_ID_ELEMENT_SCORE_TEXT,
 656     NULL,                               /* will be set when used */
 657     "element score",                    NULL
 658   },
 659   {
 660     ED_COUNT_ELEMENT_CONTENT_XPOS,      ED_COUNT_ELEMENT_CONTENT_YPOS,
 661     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 662     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 663     GADGET_ID_ELEMENT_CONTENT_TEXT,
 664     &level.num_yam_contents,
 665     "element content",                  NULL
 666   },
 667   {
 668     ED_COUNT_CHANGE_DELAY_XPOS,         ED_COUNTER_YPOS2(6),
 669     0,                                  999,
 670     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 671     GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 672     &custom_element_change.delay_fixed,
 673     NULL,                               "units (fixed)"
 674   },
 675   {
 676     ED_COUNT_CHANGE_DELAY_XPOS,         ED_COUNTER_YPOS2(7),
 677     0,                                  999,
 678     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 679     GADGET_ID_CHANGE_DELAY_RND_TEXT,
 680     &custom_element_change.delay_random,
 681     NULL,                               "units (random)"
 682   }
 683 };
 684
 685 static struct
 686 {
 687   int x, y;
 688   int gadget_id;
 689   int size;
 690   char *value;
 691   char *infotext;
 692 } textinput_info[ED_NUM_TEXTINPUT] =
 693 {
 694   {
 695     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(0),
 696     GADGET_ID_LEVEL_NAME,
 697     MAX_LEVEL_NAME_LEN,
 698     level.name,
 699     "Title"
 700   },
 701   {
 702     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(1),
 703     GADGET_ID_LEVEL_AUTHOR,
 704     MAX_LEVEL_AUTHOR_LEN,
 705     level.author,
 706     "Author"
 707   }
 708 };
 709
 710 static struct ValueTextInfo options_change_time_units[] =
 711 {
 712   { 50, "seconds"               },
 713   { 1,  "frames"                },
 714   { -1, NULL                    }
 715 };
 716 static int index_change_time_units = 0;
 717
 718 static struct ValueTextInfo options_change_cause[] =
 719 {
 720   { 1,  "specified delay"       },
 721   { 2,  "impact (active)"       },
 722   { 3,  "impact (passive)"      },
 723   { 4,  "touched by player"     },
 724   { 5,  "pressed by player"     },
 725   { -1, NULL                    }
 726 };
 727 static int index_change_cause = 0, value_change_cause = 0;
 728
 729 static struct
 730 {
 731   int x, y;
 732   int gadget_id;
 733   int size;     /* size of selectbox (chars) or '0' (dynamically determined) */
 734   struct ValueTextInfo *options;
 735   int *index, *value;
 736   char *text, *infotext;
 737 } selectbox_info[ED_NUM_SELECTBOX] =
 738 {
 739   {
 740     ED_SELECTBOX_CHANGE_UNITS_XPOS,     ED_COUNTER_YPOS2(8),
 741     GADGET_ID_CHANGE_TIME_UNITS,
 742     0,
 743     options_change_time_units, &index_change_time_units,
 744     &custom_element_change.delay_frames,
 745     "delay units given in", "time units for change"
 746   },
 747   {
 748     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(8),
 749     GADGET_ID_CHANGE_CAUSE,
 750     0,
 751     options_change_cause, &index_change_cause,
 752     &value_change_cause,
 753     "test:", "test-selectbox entry"
 754   },
 755 };
 756
 757 static struct
 758 {
 759   int x, y;
 760   int gadget_id;
 761   int size;
 762   char *value;
 763   char *infotext;
 764 } textbutton_info[ED_NUM_TEXTBUTTON] =
 765 {
 766   {
 767     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(1),
 768     GADGET_ID_PROPERTIES_INFO,
 769     11, "Information",
 770     "Show information about element"
 771   },
 772   {
 773     ED_SETTINGS_XPOS + 166,             ED_COUNTER_YPOS(1),
 774     GADGET_ID_PROPERTIES_CONFIG,
 775     11, "Configure",
 776     "Configure element properties"
 777   },
 778   {
 779     ED_SETTINGS_XPOS + 332,             ED_COUNTER_YPOS(1),
 780     GADGET_ID_PROPERTIES_ADVANCED,
 781     11, "Advanced",
 782     "Advanced element configuration"
 783   },
 784 };
 785
 786 static struct
 787 {
 788   int xpos, ypos;
 789   int x, y;
 790   int gadget_id;
 791   char *infotext;
 792 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
 793 {
 794   {
 795     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
 796     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
 797     GADGET_ID_SCROLL_UP,
 798     "scroll level editing area up"
 799   },
 800   {
 801     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
 802     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
 803     GADGET_ID_SCROLL_DOWN,
 804     "scroll level editing area down"
 805   },
 806   {
 807     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
 808     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
 809     GADGET_ID_SCROLL_LEFT,
 810     "scroll level editing area left"
 811   },
 812   {
 813     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
 814     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
 815     GADGET_ID_SCROLL_RIGHT,
 816     "scroll level editing area right"
 817   },
 818   {
 819     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
 820     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
 821     GADGET_ID_SCROLL_LIST_UP,
 822     "scroll element list up ('Page Up')"
 823   },
 824   {
 825     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
 826     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
 827     GADGET_ID_SCROLL_LIST_DOWN,
 828     "scroll element list down ('Page Down')"
 829   }
 830 };
 831
 832 static struct
 833 {
 834   int xpos, ypos;
 835   int x, y;
 836   int width, height;
 837   int type;
 838   int gadget_id;
 839   char *infotext;
 840 } scrollbar_info[ED_NUM_SCROLLBARS] =
 841 {
 842   {
 843     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 844     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
 845     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
 846     GD_TYPE_SCROLLBAR_HORIZONTAL,
 847     GADGET_ID_SCROLL_HORIZONTAL,
 848     "scroll level editing area horizontally"
 849   },
 850   {
 851     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
 852     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
 853     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
 854     GD_TYPE_SCROLLBAR_VERTICAL,
 855     GADGET_ID_SCROLL_VERTICAL,
 856     "scroll level editing area vertically"
 857   },
 858   {
 859     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
 860     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
 861     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
 862     GD_TYPE_SCROLLBAR_VERTICAL,
 863     GADGET_ID_SCROLL_LIST_VERTICAL,
 864     "scroll element list vertically"
 865   }
 866 };
 867
 868 static struct
 869 {
 870   int x, y;
 871   int gadget_id;
 872   int radio_button_nr;
 873   int *value;
 874   int checked_value;
 875   char *text, *infotext;
 876 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
 877 {
 878   {
 879     ED_SETTINGS_XPOS + 160,             ED_COUNTER2_YPOS(8),
 880     GADGET_ID_RANDOM_PERCENTAGE,
 881     RADIO_NR_RANDOM_ELEMENTS,
 882     &random_placement_method,           RANDOM_USE_PERCENTAGE,
 883     "percentage",                       "use percentage for random elements"
 884   },
 885   {
 886     ED_SETTINGS_XPOS + 340,             ED_COUNTER2_YPOS(8),
 887     GADGET_ID_RANDOM_QUANTITY,
 888     RADIO_NR_RANDOM_ELEMENTS,
 889     &random_placement_method,           RANDOM_USE_QUANTITY,
 890     "quantity",                         "use quantity for random elements"
 891   }
 892 };
 893
 894 static struct
 895 {
 896   int x, y;
 897   int gadget_id;
 898   boolean *value;
 899   char *text, *infotext;
 900 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
 901 {
 902   {
 903     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(6) - MINI_TILEY,
 904     GADGET_ID_DOUBLE_SPEED,
 905     &level.double_speed,
 906     "double speed movement",            "set movement speed of player"
 907   },
 908   {
 909     ED_SETTINGS_XPOS + 340,             ED_COUNTER_YPOS(6) - MINI_TILEY,
 910     GADGET_ID_GRAVITY,
 911     &level.gravity,
 912     "gravity",                          "set level gravity"
 913   },
 914   {
 915     ED_SETTINGS_XPOS,                   ED_COUNTER2_YPOS(9) - MINI_TILEY,
 916     GADGET_ID_RANDOM_RESTRICTED,
 917     &random_placement_background_restricted,
 918     "restrict random placement to",     "set random placement restriction"
 919   },
 920   {
 921     ED_SETTINGS_XPOS,                   0,      /* set at runtime */
 922     GADGET_ID_STICK_ELEMENT,
 923     &stick_element_properties_window,
 924     "stick this screen to edit content","stick this screen to edit content"
 925   },
 926   {
 927     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS(4),
 928     GADGET_ID_EM_SLIPPERY_GEMS,
 929     &level.em_slippery_gems,
 930     "slip down from certain flat walls","use EM style slipping behaviour"
 931   },
 932   {
 933     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(6),
 934     GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 935     &custom_element_properties[EP_INDESTRUCTIBLE],
 936     "indestructible",                   "element cannot be destroyed"
 937   },
 938   {
 939     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(7),
 940     GADGET_ID_CUSTOM_DIGGABLE,
 941     &custom_element_properties[EP_DIGGABLE],
 942     "diggable",                         "element can be digged away"
 943   },
 944   {
 945     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(8),
 946     GADGET_ID_CUSTOM_COLLECTIBLE,
 947     &custom_element_properties[EP_COLLECTIBLE],
 948     "collectible",                      "element can be collected"
 949   },
 950   {
 951     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(9),
 952     GADGET_ID_CUSTOM_PUSHABLE,
 953     &custom_element_properties[EP_PUSHABLE],
 954     "pushable",                         "element can be pushed"
 955   },
 956   {
 957     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(10),
 958     GADGET_ID_CUSTOM_CAN_FALL,
 959     &custom_element_properties[EP_CAN_FALL],
 960     "can fall",                         "element can fall down"
 961   },
 962   {
 963     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(11),
 964     GADGET_ID_CUSTOM_CAN_SMASH,
 965     &custom_element_properties[EP_CAN_SMASH],
 966     "can smash",                        "element can smash other elements"
 967   },
 968   {
 969     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(12),
 970     GADGET_ID_CUSTOM_CAN_MOVE,
 971     &custom_element_properties[EP_CAN_MOVE],
 972     "can move",                         "element can move in some direction"
 973   },
 974   {
 975     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(13),
 976     GADGET_ID_CUSTOM_SLIPPERY,
 977     &custom_element_properties[EP_SLIPPERY],
 978     "slippery",                         "other elements can fall down from it"
 979   },
 980   {
 981     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(14),
 982     GADGET_ID_CUSTOM_WALKABLE_OVER,
 983     &custom_element_properties[EP_WALKABLE_OVER],
 984     "player can walk over",             "player can walk over this element"
 985   },
 986   {
 987     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(15),
 988     GADGET_ID_CUSTOM_WALKABLE_INSIDE,
 989     &custom_element_properties[EP_WALKABLE_INSIDE],
 990     "player can walk inside",           "player can walk inside this element"
 991   },
 992   {
 993     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(16),
 994     GADGET_ID_CUSTOM_WALKABLE_UNDER,
 995     &custom_element_properties[EP_WALKABLE_UNDER],
 996     "player can walk under",            "player can walk under this element"
 997   },
 998   {
 999     ED_SETTINGS_XPOS,                   ED_COUNTER_YPOS2(5),
1000     GADGET_ID_CUSTOM_CHANGEABLE,
1001     &custom_element_properties[EP_CHANGEABLE],
1002     "element changes to    after:",     "element can change to other element"
1003   },
1004   {
1005     ED_SETTINGS_XPOS2,                  ED_COUNTER_YPOS2(6),
1006     GADGET_ID_CHANGE_DELAY_FIXED,
1007     &custom_element_change_events[CE_DELAY_FIXED],
1008     "delay of",                         "element changes after fixed delay"
1009   },
1010   {
1011     ED_SETTINGS_XPOS2,                  ED_COUNTER_YPOS2(7),
1012     GADGET_ID_CHANGE_DELAY_RANDOM,
1013     &custom_element_change_events[CE_DELAY_RANDOM],
1014     "delay of",                         "element changes after random delay"
1015   }
1016 };
1017
1018
1019 /*
1020   -----------------------------------------------------------------------------
1021   some internally used variables
1022   -----------------------------------------------------------------------------
1023 */
1024
1025 /* actual size of level editor drawing area */
1026 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1027
1028 /* actual position of level editor drawing area in level playfield */
1029 static int level_xpos = -1, level_ypos = -1;
1030
1031 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1032
1033 /* drawing elements on the three mouse buttons */
1034 static int new_element1 = EL_WALL;
1035 static int new_element2 = EL_EMPTY;
1036 static int new_element3 = EL_SAND;
1037
1038 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1039                                 (button) == 2 ? new_element2 : \
1040                                 (button) == 3 ? new_element3 : EL_EMPTY)
1041 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1042
1043 /* forward declaration for internal use */
1044 static void ModifyEditorCounter(int, int);
1045 static void ModifyEditorCounterLimits(int, int, int);
1046 static void ModifyEditorSelectbox(int, int);
1047 static void ModifyEditorElementList();
1048 static void DrawDrawingWindow();
1049 static void DrawLevelInfoWindow();
1050 static void DrawPropertiesWindow();
1051 static void CopyLevelToUndoBuffer(int);
1052 static void HandleDrawingAreas(struct GadgetInfo *);
1053 static void HandleCounterButtons(struct GadgetInfo *);
1054 static void HandleTextInputGadgets(struct GadgetInfo *);
1055 static void HandleSelectboxGadgets(struct GadgetInfo *);
1056 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1057 static void HandleRadiobuttons(struct GadgetInfo *);
1058 static void HandleCheckbuttons(struct GadgetInfo *);
1059 static void HandleControlButtons(struct GadgetInfo *);
1060 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1061
1062 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1063
1064 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1065 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1066 static boolean draw_with_brush = FALSE;
1067 static int properties_element = 0;
1068
1069 static short ElementContent[MAX_ELEMENT_CONTENTS][3][3];
1070 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1071 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1072 static int undo_buffer_position = 0;
1073 static int undo_buffer_steps = 0;
1074
1075 static int edit_mode;
1076 static int edit_mode_properties;
1077
1078 static int element_shift = 0;
1079
1080 static int editor_el_boulderdash[] =
1081 {
1082   EL_CHAR('B'),
1083   EL_CHAR('O'),
1084   EL_CHAR('U'),
1085   EL_CHAR('L'),
1086
1087   EL_CHAR('-'),
1088   EL_CHAR('D'),
1089   EL_CHAR('E'),
1090   EL_CHAR('R'),
1091
1092   EL_CHAR('D'),
1093   EL_CHAR('A'),
1094   EL_CHAR('S'),
1095   EL_CHAR('H'),
1096
1097   EL_PLAYER_1,
1098   EL_EMPTY,
1099   EL_SAND,
1100   EL_STEELWALL,
1101
1102   EL_BD_WALL,
1103   EL_BD_MAGIC_WALL,
1104   EL_EXIT_CLOSED,
1105   EL_EXIT_OPEN,
1106
1107   EL_BD_DIAMOND,
1108   EL_BD_BUTTERFLY_UP,
1109   EL_BD_FIREFLY_UP,
1110   EL_BD_ROCK,
1111
1112   EL_BD_BUTTERFLY_LEFT,
1113   EL_BD_FIREFLY_LEFT,
1114   EL_BD_BUTTERFLY_RIGHT,
1115   EL_BD_FIREFLY_RIGHT,
1116
1117   EL_BD_AMOEBA,
1118   EL_BD_BUTTERFLY_DOWN,
1119   EL_BD_FIREFLY_DOWN,
1120   EL_EMPTY,
1121 };
1122 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1123
1124 static int editor_el_emerald_mine[] =
1125 {
1126   EL_CHAR('E'),
1127   EL_CHAR('M'),
1128   EL_CHAR('E'),
1129   EL_CHAR('-'),
1130
1131   EL_CHAR('R'),
1132   EL_CHAR('A'),
1133   EL_CHAR('L'),
1134   EL_CHAR('D'),
1135
1136   EL_CHAR('M'),
1137   EL_CHAR('I'),
1138   EL_CHAR('N'),
1139   EL_CHAR('E'),
1140
1141   EL_PLAYER_1,
1142   EL_PLAYER_2,
1143   EL_PLAYER_3,
1144   EL_PLAYER_4,
1145
1146   EL_PLAYER_1,
1147   EL_EMPTY,
1148   EL_SAND,
1149   EL_ROCK,
1150
1151   EL_STEELWALL,
1152   EL_WALL,
1153   EL_WALL_CRUMBLED,
1154   EL_MAGIC_WALL,
1155
1156   EL_EMERALD,
1157   EL_DIAMOND,
1158   EL_NUT,
1159   EL_BOMB,
1160
1161   EL_WALL_EMERALD,
1162   EL_WALL_DIAMOND,
1163   EL_QUICKSAND_EMPTY,
1164   EL_QUICKSAND_FULL,
1165
1166   EL_DYNAMITE,
1167   EL_DYNAMITE_ACTIVE,
1168   EL_EXIT_CLOSED,
1169   EL_EXIT_OPEN,
1170
1171   EL_YAMYAM,
1172   EL_BUG_UP,
1173   EL_SPACESHIP_UP,
1174   EL_ROBOT,
1175
1176   EL_BUG_LEFT,
1177   EL_SPACESHIP_LEFT,
1178   EL_BUG_RIGHT,
1179   EL_SPACESHIP_RIGHT,
1180
1181   EL_ROBOT_WHEEL,
1182   EL_BUG_DOWN,
1183   EL_SPACESHIP_DOWN,
1184   EL_INVISIBLE_WALL,
1185
1186   EL_ACID_POOL_TOPLEFT,
1187   EL_ACID,
1188   EL_ACID_POOL_TOPRIGHT,
1189   EL_EMPTY,
1190
1191   EL_ACID_POOL_BOTTOMLEFT,
1192   EL_ACID_POOL_BOTTOM,
1193   EL_ACID_POOL_BOTTOMRIGHT,
1194   EL_EMPTY,
1195
1196   EL_AMOEBA_DROP,
1197   EL_AMOEBA_DEAD,
1198   EL_AMOEBA_WET,
1199   EL_AMOEBA_DRY,
1200
1201   EL_EM_KEY_1_FILE,
1202   EL_EM_KEY_2_FILE,
1203   EL_EM_KEY_3_FILE,
1204   EL_EM_KEY_4_FILE,
1205
1206   EL_EM_GATE_1,
1207   EL_EM_GATE_2,
1208   EL_EM_GATE_3,
1209   EL_EM_GATE_4,
1210
1211   EL_EM_GATE_1_GRAY,
1212   EL_EM_GATE_2_GRAY,
1213   EL_EM_GATE_3_GRAY,
1214   EL_EM_GATE_4_GRAY,
1215 };
1216 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1217
1218 static int editor_el_more[] =
1219 {
1220   EL_CHAR('M'),
1221   EL_CHAR('O'),
1222   EL_CHAR('R'),
1223   EL_CHAR('E'),
1224
1225   EL_KEY_1,
1226   EL_KEY_2,
1227   EL_KEY_3,
1228   EL_KEY_4,
1229
1230   EL_GATE_1,
1231   EL_GATE_2,
1232   EL_GATE_3,
1233   EL_GATE_4,
1234
1235   EL_GATE_1_GRAY,
1236   EL_GATE_2_GRAY,
1237   EL_GATE_3_GRAY,
1238   EL_GATE_4_GRAY,
1239
1240   EL_ARROW_LEFT,
1241   EL_ARROW_RIGHT,
1242   EL_ARROW_UP,
1243   EL_ARROW_DOWN,
1244
1245   EL_AMOEBA_FULL,
1246   EL_EMERALD_YELLOW,
1247   EL_EMERALD_RED,
1248   EL_EMERALD_PURPLE,
1249
1250   EL_WALL_BD_DIAMOND,
1251   EL_WALL_EMERALD_YELLOW,
1252   EL_WALL_EMERALD_RED,
1253   EL_WALL_EMERALD_PURPLE,
1254
1255   EL_GAME_OF_LIFE,
1256   EL_PACMAN_UP,
1257   EL_TIME_ORB_FULL,
1258   EL_TIME_ORB_EMPTY,
1259
1260   EL_PACMAN_LEFT,
1261   EL_DARK_YAMYAM,
1262   EL_PACMAN_RIGHT,
1263   EL_EXPANDABLE_WALL,
1264
1265   EL_BIOMAZE,
1266   EL_PACMAN_DOWN,
1267   EL_LAMP,
1268   EL_LAMP_ACTIVE,
1269
1270   EL_DYNABOMB_INCREASE_NUMBER,
1271   EL_DYNABOMB_INCREASE_SIZE,
1272   EL_DYNABOMB_INCREASE_POWER,
1273   EL_STONEBLOCK,
1274
1275   EL_MOLE,
1276   EL_PENGUIN,
1277   EL_PIG,
1278   EL_DRAGON,
1279
1280   EL_EMPTY,
1281   EL_MOLE_UP,
1282   EL_EMPTY,
1283   EL_EMPTY,
1284
1285   EL_MOLE_LEFT,
1286   EL_EMPTY,
1287   EL_MOLE_RIGHT,
1288   EL_EMPTY,
1289
1290   EL_EMPTY,
1291   EL_MOLE_DOWN,
1292   EL_BALLOON,
1293   EL_BALLOON_SWITCH_ANY,
1294
1295   EL_BALLOON_SWITCH_LEFT,
1296   EL_BALLOON_SWITCH_RIGHT,
1297   EL_BALLOON_SWITCH_UP,
1298   EL_BALLOON_SWITCH_DOWN,
1299
1300   EL_SATELLITE,
1301   EL_EXPANDABLE_WALL_HORIZONTAL,
1302   EL_EXPANDABLE_WALL_VERTICAL,
1303   EL_EXPANDABLE_WALL_ANY,
1304
1305   EL_INVISIBLE_STEELWALL,
1306   EL_INVISIBLE_WALL,
1307   EL_SPEED_PILL,
1308   EL_BLACK_ORB,
1309
1310   EL_EMC_STEELWALL_1,
1311   EL_EMC_WALL_1,
1312   EL_EMC_WALL_2,
1313   EL_EMC_WALL_3,
1314
1315   EL_EMC_WALL_4,
1316   EL_EMC_WALL_5,
1317   EL_EMC_WALL_6,
1318   EL_EMC_WALL_7,
1319 };
1320 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1321
1322 static int editor_el_sokoban[] =
1323 {
1324   EL_CHAR('S'),
1325   EL_CHAR('O'),
1326   EL_CHAR('K'),
1327   EL_CHAR('O'),
1328
1329   EL_CHAR('-'),
1330   EL_CHAR('B'),
1331   EL_CHAR('A'),
1332   EL_CHAR('N'),
1333
1334   EL_SOKOBAN_OBJECT,
1335   EL_SOKOBAN_FIELD_EMPTY,
1336   EL_SOKOBAN_FIELD_FULL,
1337   EL_STEELWALL,
1338 };
1339 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1340
1341 static int editor_el_supaplex[] =
1342 {
1343   EL_CHAR('S'),
1344   EL_CHAR('U'),
1345   EL_CHAR('P'),
1346   EL_CHAR('A'),
1347
1348   EL_CHAR('P'),
1349   EL_CHAR('L'),
1350   EL_CHAR('E'),
1351   EL_CHAR('X'),
1352
1353   EL_SP_EMPTY,
1354   EL_SP_ZONK,
1355   EL_SP_BASE,
1356   EL_SP_MURPHY,
1357
1358   EL_SP_INFOTRON,
1359   EL_SP_CHIP_SINGLE,
1360   EL_SP_HARDWARE_GRAY,
1361   EL_SP_EXIT_CLOSED,
1362
1363   EL_SP_DISK_ORANGE,
1364   EL_SP_PORT_RIGHT,
1365   EL_SP_PORT_DOWN,
1366   EL_SP_PORT_LEFT,
1367
1368   EL_SP_PORT_UP,
1369   EL_SP_GRAVITY_PORT_RIGHT,
1370   EL_SP_GRAVITY_PORT_DOWN,
1371   EL_SP_GRAVITY_PORT_LEFT,
1372
1373   EL_SP_GRAVITY_PORT_UP,
1374   EL_SP_SNIKSNAK,
1375   EL_SP_DISK_YELLOW,
1376   EL_SP_TERMINAL,
1377
1378   EL_SP_DISK_RED,
1379   EL_SP_PORT_VERTICAL,
1380   EL_SP_PORT_HORIZONTAL,
1381   EL_SP_PORT_ANY,
1382
1383   EL_SP_ELECTRON,
1384   EL_SP_BUGGY_BASE,
1385   EL_SP_CHIP_LEFT,
1386   EL_SP_CHIP_RIGHT,
1387
1388   EL_SP_HARDWARE_BASE_1,
1389   EL_SP_HARDWARE_GREEN,
1390   EL_SP_HARDWARE_BLUE,
1391   EL_SP_HARDWARE_RED,
1392
1393   EL_SP_HARDWARE_YELLOW,
1394   EL_SP_HARDWARE_BASE_2,
1395   EL_SP_HARDWARE_BASE_3,
1396   EL_SP_HARDWARE_BASE_4,
1397
1398   EL_SP_HARDWARE_BASE_5,
1399   EL_SP_HARDWARE_BASE_6,
1400   EL_SP_CHIP_TOP,
1401   EL_SP_CHIP_BOTTOM,
1402 };
1403 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1404
1405 static int editor_el_diamond_caves[] =
1406 {
1407   EL_CHAR('D'),
1408   EL_CHAR('I'),
1409   EL_CHAR('A'),
1410   EL_CHAR('-'),
1411
1412   EL_CHAR('M'),
1413   EL_CHAR('O'),
1414   EL_CHAR('N'),
1415   EL_CHAR('D'),
1416
1417   EL_CHAR('C'),
1418   EL_CHAR('A'),
1419   EL_CHAR('V'),
1420   EL_CHAR('E'),
1421
1422   EL_CHAR('S'),
1423   EL_CHAR(' '),
1424   EL_CHAR('I'),
1425   EL_CHAR('I'),
1426
1427   EL_PEARL,
1428   EL_CRYSTAL,
1429   EL_WALL_PEARL,
1430   EL_WALL_CRYSTAL,
1431
1432   EL_CONVEYOR_BELT_1_LEFT,
1433   EL_CONVEYOR_BELT_1_MIDDLE,
1434   EL_CONVEYOR_BELT_1_RIGHT,
1435   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1436
1437   EL_CONVEYOR_BELT_2_LEFT,
1438   EL_CONVEYOR_BELT_2_MIDDLE,
1439   EL_CONVEYOR_BELT_2_RIGHT,
1440   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1441
1442   EL_CONVEYOR_BELT_3_LEFT,
1443   EL_CONVEYOR_BELT_3_MIDDLE,
1444   EL_CONVEYOR_BELT_3_RIGHT,
1445   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1446
1447   EL_CONVEYOR_BELT_4_LEFT,
1448   EL_CONVEYOR_BELT_4_MIDDLE,
1449   EL_CONVEYOR_BELT_4_RIGHT,
1450   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1451
1452   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1453   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1454   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1455   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1456
1457   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1458   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1459   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1460   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1461
1462   EL_SWITCHGATE_OPEN,
1463   EL_SWITCHGATE_CLOSED,
1464   EL_SWITCHGATE_SWITCH_UP,
1465   EL_ENVELOPE,
1466
1467   EL_TIMEGATE_CLOSED,
1468   EL_TIMEGATE_OPEN,
1469   EL_TIMEGATE_SWITCH,
1470   EL_EMPTY,
1471
1472   EL_LANDMINE,
1473   EL_INVISIBLE_SAND,
1474   EL_STEELWALL_SLANTED,
1475   EL_EMPTY,
1476
1477   EL_SIGN_EXCLAMATION,
1478   EL_SIGN_STOP,
1479   EL_LIGHT_SWITCH,
1480   EL_LIGHT_SWITCH_ACTIVE,
1481
1482   EL_SHIELD_NORMAL,
1483   EL_SHIELD_DEADLY,
1484   EL_EXTRA_TIME,
1485   EL_EMPTY,
1486 };
1487 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1488
1489 static int editor_el_dx_boulderdash[] =
1490 {
1491   EL_CHAR('D'),
1492   EL_CHAR('X'),
1493   EL_CHAR('-'),
1494   EL_CHAR(' '),
1495
1496   EL_CHAR('B'),
1497   EL_CHAR('O'),
1498   EL_CHAR('U'),
1499   EL_CHAR('L'),
1500
1501   EL_CHAR('-'),
1502   EL_CHAR('D'),
1503   EL_CHAR('E'),
1504   EL_CHAR('R'),
1505
1506   EL_CHAR('D'),
1507   EL_CHAR('A'),
1508   EL_CHAR('S'),
1509   EL_CHAR('H'),
1510
1511   EL_SPRING,
1512   EL_TUBE_RIGHT_DOWN,
1513   EL_TUBE_HORIZONTAL_DOWN,
1514   EL_TUBE_LEFT_DOWN,
1515
1516   EL_TUBE_HORIZONTAL,
1517   EL_TUBE_VERTICAL_RIGHT,
1518   EL_TUBE_ANY,
1519   EL_TUBE_VERTICAL_LEFT,
1520
1521   EL_TUBE_VERTICAL,
1522   EL_TUBE_RIGHT_UP,
1523   EL_TUBE_HORIZONTAL_UP,
1524   EL_TUBE_LEFT_UP,
1525
1526   EL_TRAP,
1527   EL_DX_SUPABOMB,
1528   EL_EMPTY,
1529   EL_EMPTY
1530 };
1531 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
1532
1533 static int editor_el_chars[] =
1534 {
1535   EL_CHAR('T'),
1536   EL_CHAR('E'),
1537   EL_CHAR('X'),
1538   EL_CHAR('T'),
1539
1540   EL_CHAR(' '),
1541   EL_CHAR('!'),
1542   EL_CHAR('"'),
1543   EL_CHAR('#'),
1544
1545   EL_CHAR('$'),
1546   EL_CHAR('%'),
1547   EL_CHAR('&'),
1548   EL_CHAR('\''),
1549
1550   EL_CHAR('('),
1551   EL_CHAR(')'),
1552   EL_CHAR('*'),
1553   EL_CHAR('+'),
1554
1555   EL_CHAR(','),
1556   EL_CHAR('-'),
1557   EL_CHAR('.'),
1558   EL_CHAR('/'),
1559
1560   EL_CHAR('0'),
1561   EL_CHAR('1'),
1562   EL_CHAR('2'),
1563   EL_CHAR('3'),
1564
1565   EL_CHAR('4'),
1566   EL_CHAR('5'),
1567   EL_CHAR('6'),
1568   EL_CHAR('7'),
1569
1570   EL_CHAR('8'),
1571   EL_CHAR('9'),
1572   EL_CHAR(':'),
1573   EL_CHAR(';'),
1574
1575   EL_CHAR('<'),
1576   EL_CHAR('='),
1577   EL_CHAR('>'),
1578   EL_CHAR('?'),
1579
1580   EL_CHAR('@'),
1581   EL_CHAR('A'),
1582   EL_CHAR('B'),
1583   EL_CHAR('C'),
1584
1585   EL_CHAR('D'),
1586   EL_CHAR('E'),
1587   EL_CHAR('F'),
1588   EL_CHAR('G'),
1589
1590   EL_CHAR('H'),
1591   EL_CHAR('I'),
1592   EL_CHAR('J'),
1593   EL_CHAR('K'),
1594
1595   EL_CHAR('L'),
1596   EL_CHAR('M'),
1597   EL_CHAR('N'),
1598   EL_CHAR('O'),
1599
1600   EL_CHAR('P'),
1601   EL_CHAR('Q'),
1602   EL_CHAR('R'),
1603   EL_CHAR('S'),
1604
1605   EL_CHAR('T'),
1606   EL_CHAR('U'),
1607   EL_CHAR('V'),
1608   EL_CHAR('W'),
1609
1610   EL_CHAR('X'),
1611   EL_CHAR('Y'),
1612   EL_CHAR('Z'),
1613   EL_CHAR('['),
1614
1615   EL_CHAR('\\'),
1616   EL_CHAR(']'),
1617   EL_CHAR('^'),
1618   EL_CHAR('_'),
1619
1620   EL_CHAR('©'),
1621   EL_CHAR('Ä'),
1622   EL_CHAR('Ö'),
1623   EL_CHAR('Ü'),
1624
1625   EL_CHAR('°'),
1626   EL_CHAR('®'),
1627   EL_CHAR(FONT_ASCII_CURSOR),
1628   EL_CHAR(' ')
1629 };
1630 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
1631
1632 static int editor_el_custom[] =
1633 {
1634   EL_CHAR('C'),
1635   EL_CHAR('U'),
1636   EL_CHAR('S'),
1637   EL_CHAR('-'),
1638
1639   EL_CHAR('T'),
1640   EL_CHAR('O'),
1641   EL_CHAR('M'),
1642   EL_CHAR(' '),
1643
1644   EL_CHAR('E'),
1645   EL_CHAR('L'),
1646   EL_CHAR('E'),
1647   EL_CHAR('M'),
1648
1649   EL_CHAR('E'),
1650   EL_CHAR('N'),
1651   EL_CHAR('T'),
1652   EL_CHAR('S'),
1653
1654   EL_CUSTOM_START + 0,
1655   EL_CUSTOM_START + 1,
1656   EL_CUSTOM_START + 2,
1657   EL_CUSTOM_START + 3,
1658
1659   EL_CUSTOM_START + 4,
1660   EL_CUSTOM_START + 5,
1661   EL_CUSTOM_START + 6,
1662   EL_CUSTOM_START + 7,
1663
1664   EL_CUSTOM_START + 8,
1665   EL_CUSTOM_START + 9,
1666   EL_CUSTOM_START + 10,
1667   EL_CUSTOM_START + 11,
1668
1669   EL_CUSTOM_START + 12,
1670   EL_CUSTOM_START + 13,
1671   EL_CUSTOM_START + 14,
1672   EL_CUSTOM_START + 15,
1673
1674   EL_CUSTOM_START + 16,
1675   EL_CUSTOM_START + 17,
1676   EL_CUSTOM_START + 18,
1677   EL_CUSTOM_START + 19,
1678
1679   EL_CUSTOM_START + 20,
1680   EL_CUSTOM_START + 21,
1681   EL_CUSTOM_START + 22,
1682   EL_CUSTOM_START + 23,
1683
1684   EL_CUSTOM_START + 24,
1685   EL_CUSTOM_START + 25,
1686   EL_CUSTOM_START + 26,
1687   EL_CUSTOM_START + 27,
1688
1689   EL_CUSTOM_START + 28,
1690   EL_CUSTOM_START + 29,
1691   EL_CUSTOM_START + 30,
1692   EL_CUSTOM_START + 31,
1693
1694   EL_CUSTOM_START + 32,
1695   EL_CUSTOM_START + 33,
1696   EL_CUSTOM_START + 34,
1697   EL_CUSTOM_START + 35,
1698
1699   EL_CUSTOM_START + 36,
1700   EL_CUSTOM_START + 37,
1701   EL_CUSTOM_START + 38,
1702   EL_CUSTOM_START + 39,
1703
1704   EL_CUSTOM_START + 40,
1705   EL_CUSTOM_START + 41,
1706   EL_CUSTOM_START + 42,
1707   EL_CUSTOM_START + 43,
1708
1709   EL_CUSTOM_START + 44,
1710   EL_CUSTOM_START + 45,
1711   EL_CUSTOM_START + 46,
1712   EL_CUSTOM_START + 47,
1713
1714   EL_CUSTOM_START + 48,
1715   EL_CUSTOM_START + 49,
1716   EL_CUSTOM_START + 50,
1717   EL_CUSTOM_START + 51,
1718
1719   EL_CUSTOM_START + 52,
1720   EL_CUSTOM_START + 53,
1721   EL_CUSTOM_START + 54,
1722   EL_CUSTOM_START + 55,
1723
1724   EL_CUSTOM_START + 56,
1725   EL_CUSTOM_START + 57,
1726   EL_CUSTOM_START + 58,
1727   EL_CUSTOM_START + 59,
1728
1729   EL_CUSTOM_START + 60,
1730   EL_CUSTOM_START + 61,
1731   EL_CUSTOM_START + 62,
1732   EL_CUSTOM_START + 63,
1733
1734   EL_CUSTOM_START + 64,
1735   EL_CUSTOM_START + 65,
1736   EL_CUSTOM_START + 66,
1737   EL_CUSTOM_START + 67,
1738
1739   EL_CUSTOM_START + 68,
1740   EL_CUSTOM_START + 69,
1741   EL_CUSTOM_START + 70,
1742   EL_CUSTOM_START + 71,
1743
1744   EL_CUSTOM_START + 72,
1745   EL_CUSTOM_START + 73,
1746   EL_CUSTOM_START + 74,
1747   EL_CUSTOM_START + 75,
1748
1749   EL_CUSTOM_START + 76,
1750   EL_CUSTOM_START + 77,
1751   EL_CUSTOM_START + 78,
1752   EL_CUSTOM_START + 79,
1753
1754   EL_CUSTOM_START + 80,
1755   EL_CUSTOM_START + 81,
1756   EL_CUSTOM_START + 82,
1757   EL_CUSTOM_START + 83,
1758
1759   EL_CUSTOM_START + 84,
1760   EL_CUSTOM_START + 85,
1761   EL_CUSTOM_START + 86,
1762   EL_CUSTOM_START + 87,
1763
1764   EL_CUSTOM_START + 88,
1765   EL_CUSTOM_START + 89,
1766   EL_CUSTOM_START + 90,
1767   EL_CUSTOM_START + 91,
1768
1769   EL_CUSTOM_START + 92,
1770   EL_CUSTOM_START + 93,
1771   EL_CUSTOM_START + 94,
1772   EL_CUSTOM_START + 95,
1773
1774   EL_CUSTOM_START + 96,
1775   EL_CUSTOM_START + 97,
1776   EL_CUSTOM_START + 98,
1777   EL_CUSTOM_START + 99,
1778
1779   EL_CUSTOM_START + 100,
1780   EL_CUSTOM_START + 101,
1781   EL_CUSTOM_START + 102,
1782   EL_CUSTOM_START + 103,
1783
1784   EL_CUSTOM_START + 104,
1785   EL_CUSTOM_START + 105,
1786   EL_CUSTOM_START + 106,
1787   EL_CUSTOM_START + 107,
1788
1789   EL_CUSTOM_START + 108,
1790   EL_CUSTOM_START + 109,
1791   EL_CUSTOM_START + 110,
1792   EL_CUSTOM_START + 111,
1793
1794   EL_CUSTOM_START + 112,
1795   EL_CUSTOM_START + 113,
1796   EL_CUSTOM_START + 114,
1797   EL_CUSTOM_START + 115,
1798
1799   EL_CUSTOM_START + 116,
1800   EL_CUSTOM_START + 117,
1801   EL_CUSTOM_START + 118,
1802   EL_CUSTOM_START + 119,
1803
1804   EL_CUSTOM_START + 120,
1805   EL_CUSTOM_START + 121,
1806   EL_CUSTOM_START + 122,
1807   EL_CUSTOM_START + 123,
1808
1809   EL_CUSTOM_START + 124,
1810   EL_CUSTOM_START + 125,
1811   EL_CUSTOM_START + 126,
1812   EL_CUSTOM_START + 127
1813 };
1814 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
1815
1816 static int *editor_elements = NULL;     /* dynamically allocated */
1817 static int num_editor_elements = 0;     /* dynamically determined */
1818
1819 static struct
1820 {
1821   boolean *setup_value;
1822   int *element_list;
1823   int *element_list_size;
1824
1825   boolean last_setup_value;
1826 }
1827 editor_elements_info[] =
1828 {
1829   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
1830     &num_editor_el_boulderdash                                          },
1831   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
1832     &num_editor_el_emerald_mine                                         },
1833   { &setup.editor.el_more,              editor_el_more,
1834     &num_editor_el_more                                                 },
1835   { &setup.editor.el_sokoban,           editor_el_sokoban,
1836     &num_editor_el_sokoban                                              },
1837   { &setup.editor.el_supaplex,          editor_el_supaplex,
1838     &num_editor_el_supaplex                                             },
1839   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
1840     &num_editor_el_diamond_caves                                        },
1841   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
1842     &num_editor_el_dx_boulderdash                                       },
1843   { &setup.editor.el_chars,             editor_el_chars,
1844     &num_editor_el_chars                                                },
1845   { &setup.editor.el_custom,            editor_el_custom,
1846     &num_editor_el_custom                                               },
1847   { NULL,                               NULL,
1848     NULL                                                                }
1849 };
1850
1851
1852 /*
1853   -----------------------------------------------------------------------------
1854   functions
1855   -----------------------------------------------------------------------------
1856 */
1857
1858 static void ReinitializeElementList()
1859 {
1860   int pos = 0;
1861   int i, j;
1862
1863   if (editor_elements != NULL)
1864     free(editor_elements);
1865
1866   num_editor_elements = 0;
1867
1868   /* determine size of element list */
1869   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1870     if (*editor_elements_info[i].setup_value)
1871       num_editor_elements += *editor_elements_info[i].element_list_size;
1872
1873   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
1874   {
1875     /* workaround: offer at least as many elements as element buttons exist */
1876     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
1877
1878     *editor_elements_info[list_nr].setup_value = TRUE;
1879     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
1880   }
1881
1882   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
1883
1884   /* fill element list */
1885   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1886     if (*editor_elements_info[i].setup_value)
1887       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
1888         editor_elements[pos++] = editor_elements_info[i].element_list[j];
1889 }
1890
1891 static void ReinitializeElementListButtons()
1892 {
1893   static boolean initialization_needed = TRUE;
1894   int i;
1895
1896   if (!initialization_needed)   /* check if editor element setup has changed */
1897     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1898       if (editor_elements_info[i].last_setup_value !=
1899           *editor_elements_info[i].setup_value)
1900         initialization_needed = TRUE;
1901
1902   if (!initialization_needed)
1903     return;
1904
1905   FreeLevelEditorGadgets();
1906   CreateLevelEditorGadgets();
1907
1908   /* store current setup values for next invocation of this function */
1909   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
1910     editor_elements_info[i].last_setup_value =
1911       *editor_elements_info[i].setup_value;
1912
1913   initialization_needed = FALSE;
1914 }
1915
1916 static int getCounterGadgetWidth()
1917 {
1918   return (DXSIZE + getFontWidth(FONT_INPUT_1) - 2 * ED_GADGET_DISTANCE);
1919 }
1920
1921 static int getMaxInfoTextLength()
1922 {
1923   return (SXSIZE / getFontWidth(FONT_TEXT_2));
1924 }
1925
1926 static char *getElementInfoText(int element)
1927 {
1928   char *info_text = NULL;
1929
1930   if (element < NUM_FILE_ELEMENTS)
1931   {
1932     if (element_info[element].custom_description != NULL)
1933       info_text = element_info[element].custom_description;
1934     else if (element_info[element].editor_description != NULL)
1935       info_text = element_info[element].editor_description;
1936   }
1937
1938   if (info_text == NULL)
1939   {
1940     info_text = "unknown";
1941
1942     Error(ERR_WARN, "no element description for element %d", element);
1943   }
1944
1945   return info_text;
1946 }
1947
1948 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
1949 {
1950   int x,y;
1951   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
1952   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
1953
1954   BlitBitmap(drawto, drawto,
1955              SX + (dx == -1 ? MINI_TILEX : 0),
1956              SY + (dy == -1 ? MINI_TILEY : 0),
1957              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
1958              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
1959              SX + (dx == +1 ? MINI_TILEX : 0),
1960              SY + (dy == +1 ? MINI_TILEY : 0));
1961   if (dx)
1962   {
1963     x = (dx == 1 ? 0 : ed_fieldx - 1);
1964     for(y=0; y<ed_fieldy; y++)
1965       DrawMiniElementOrWall(x, y, from_x, from_y);
1966   }
1967   else if (dy)
1968   {
1969     y = (dy == 1 ? 0 : ed_fieldy - 1);
1970     for(x=0; x<ed_fieldx; x++)
1971       DrawMiniElementOrWall(x, y, from_x, from_y);
1972   }
1973
1974   redraw_mask |= REDRAW_FIELD;
1975   BackToFront();
1976 }
1977
1978 static void CreateControlButtons()
1979 {
1980   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
1981   struct GadgetInfo *gi;
1982   unsigned long event_mask;
1983   int i;
1984
1985   /* create toolbox buttons */
1986   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
1987   {
1988     int id = i;
1989     int width, height;
1990     int gd_xoffset, gd_yoffset;
1991     int gd_x1, gd_x2, gd_y1, gd_y2;
1992     int button_type;
1993     int radio_button_nr;
1994     boolean checked;
1995
1996     if (id == GADGET_ID_SINGLE_ITEMS ||
1997         id == GADGET_ID_CONNECTED_ITEMS ||
1998         id == GADGET_ID_LINE ||
1999         id == GADGET_ID_ARC ||
2000         id == GADGET_ID_TEXT ||
2001         id == GADGET_ID_RECTANGLE ||
2002         id == GADGET_ID_FILLED_BOX ||
2003         id == GADGET_ID_FLOOD_FILL ||
2004         id == GADGET_ID_GRAB_BRUSH ||
2005         id == GADGET_ID_PICK_ELEMENT)
2006     {
2007       button_type = GD_TYPE_RADIO_BUTTON;
2008       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
2009       checked = (id == drawing_function ? TRUE : FALSE);
2010       event_mask = GD_EVENT_PRESSED;
2011     }
2012     else
2013     {
2014       button_type = GD_TYPE_NORMAL_BUTTON;
2015       radio_button_nr = RADIO_NR_NONE;
2016       checked = FALSE;
2017
2018       if (id == GADGET_ID_WRAP_LEFT ||
2019           id == GADGET_ID_WRAP_RIGHT ||
2020           id == GADGET_ID_WRAP_UP ||
2021           id == GADGET_ID_WRAP_DOWN)
2022         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2023       else
2024         event_mask = GD_EVENT_RELEASED;
2025     }
2026
2027     if (id < ED_NUM_CTRL1_BUTTONS)
2028     {
2029       int x = i % ED_CTRL1_BUTTONS_HORIZ;
2030       int y = i / ED_CTRL1_BUTTONS_HORIZ;
2031
2032       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
2033       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
2034       width = ED_CTRL1_BUTTON_XSIZE;
2035       height = ED_CTRL1_BUTTON_YSIZE;
2036     }
2037     else
2038     {
2039       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
2040       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
2041
2042       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
2043       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
2044       width = ED_CTRL2_BUTTON_XSIZE;
2045       height = ED_CTRL2_BUTTON_YSIZE;
2046     }
2047
2048     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
2049     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
2050     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
2051     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
2052
2053     gi = CreateGadget(GDI_CUSTOM_ID, id,
2054                       GDI_CUSTOM_TYPE_ID, i,
2055                       GDI_INFO_TEXT, control_info[i].text,
2056                       GDI_X, EX + gd_xoffset,
2057                       GDI_Y, EY + gd_yoffset,
2058                       GDI_WIDTH, width,
2059                       GDI_HEIGHT, height,
2060                       GDI_TYPE, button_type,
2061                       GDI_STATE, GD_BUTTON_UNPRESSED,
2062                       GDI_RADIO_NR, radio_button_nr,
2063                       GDI_CHECKED, checked,
2064                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2065                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2066                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2067                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2068                       GDI_EVENT_MASK, event_mask,
2069                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2070                       GDI_CALLBACK_ACTION, HandleControlButtons,
2071                       GDI_END);
2072
2073     if (gi == NULL)
2074       Error(ERR_EXIT, "cannot create gadget");
2075
2076     level_editor_gadget[id] = gi;
2077   }
2078
2079   /* create buttons for scrolling of drawing area and element list */
2080   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
2081   {
2082     int id = scrollbutton_info[i].gadget_id;
2083     int x, y, width, height;
2084     int gd_x1, gd_x2, gd_y1, gd_y2;
2085
2086     x = scrollbutton_info[i].x;
2087     y = scrollbutton_info[i].y;
2088
2089     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2090
2091     if (id == GADGET_ID_SCROLL_LIST_UP ||
2092         id == GADGET_ID_SCROLL_LIST_DOWN)
2093     {
2094       x += DX;
2095       y += DY;
2096       width = ED_SCROLLBUTTON2_XSIZE;
2097       height = ED_SCROLLBUTTON2_YSIZE;
2098       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
2099       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
2100       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
2101       gd_y2 = gd_y1;
2102     }
2103     else
2104     {
2105       x += SX;
2106       y += SY;
2107       width = ED_SCROLLBUTTON_XSIZE;
2108       height = ED_SCROLLBUTTON_YSIZE;
2109       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].xpos;
2110       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].ypos;
2111       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2112       gd_y2 = gd_y1;
2113     }
2114
2115     gi = CreateGadget(GDI_CUSTOM_ID, id,
2116                       GDI_CUSTOM_TYPE_ID, i,
2117                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2118                       GDI_X, x,
2119                       GDI_Y, y,
2120                       GDI_WIDTH, width,
2121                       GDI_HEIGHT, height,
2122                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2123                       GDI_STATE, GD_BUTTON_UNPRESSED,
2124                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2125                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2126                       GDI_EVENT_MASK, event_mask,
2127                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2128                       GDI_CALLBACK_ACTION, HandleControlButtons,
2129                       GDI_END);
2130
2131     if (gi == NULL)
2132       Error(ERR_EXIT, "cannot create gadget");
2133
2134     level_editor_gadget[id] = gi;
2135   }
2136
2137   /* create buttons for element list */
2138   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2139   {
2140     Bitmap *deco_bitmap;
2141     int deco_x, deco_y, deco_xpos, deco_ypos;
2142     int gd_xoffset, gd_yoffset;
2143     int gd_x1, gd_x2, gd_y;
2144     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
2145     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
2146     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
2147     int element = editor_elements[i];
2148
2149     event_mask = GD_EVENT_RELEASED;
2150
2151     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
2152     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
2153
2154     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
2155     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
2156     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
2157
2158     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
2159     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
2160     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
2161
2162     gi = CreateGadget(GDI_CUSTOM_ID, id,
2163                       GDI_CUSTOM_TYPE_ID, i,
2164                       GDI_INFO_TEXT, getElementInfoText(element),
2165                       GDI_X, DX + gd_xoffset,
2166                       GDI_Y, DY + gd_yoffset,
2167                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
2168                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
2169                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2170                       GDI_STATE, GD_BUTTON_UNPRESSED,
2171                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2172                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2173                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2174                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2175                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2176                       GDI_DECORATION_SHIFTING, 1, 1,
2177                       GDI_EVENT_MASK, event_mask,
2178                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2179                       GDI_CALLBACK_ACTION, HandleControlButtons,
2180                       GDI_END);
2181
2182     if (gi == NULL)
2183       Error(ERR_EXIT, "cannot create gadget");
2184
2185     level_editor_gadget[id] = gi;
2186   }
2187 }
2188
2189 static void CreateCounterButtons()
2190 {
2191   int max_infotext_len = getMaxInfoTextLength();
2192   int i;
2193
2194   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
2195   {
2196     int j;
2197     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
2198     int ypos = SY + counterbutton_info[i].y;
2199
2200     for (j=0; j<2; j++)
2201     {
2202       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2203       struct GadgetInfo *gi;
2204       int id = (j == 0 ?
2205                 counterbutton_info[i].gadget_id_down :
2206                 counterbutton_info[i].gadget_id_up);
2207       int gd_xoffset;
2208       int gd_x, gd_x1, gd_x2, gd_y;
2209       int x_size, y_size;
2210       unsigned long event_mask;
2211       char infotext[max_infotext_len + 1];
2212
2213       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2214
2215       if (i == ED_COUNTER_ID_SELECT_LEVEL)
2216       {
2217         int sid = (j == 0 ?
2218                    ED_SCROLLBUTTON_ID_AREA_LEFT :
2219                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
2220
2221         event_mask |= GD_EVENT_RELEASED;
2222
2223         if (j == 1)
2224           xpos += 2 * ED_GADGET_DISTANCE;
2225         ypos += ED_GADGET_DISTANCE;
2226
2227         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].xpos;
2228         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2229         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].ypos;
2230         x_size = ED_SCROLLBUTTON_XSIZE;
2231         y_size = ED_SCROLLBUTTON_YSIZE;
2232       }
2233       else
2234       {
2235         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
2236         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2237         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2238         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
2239         x_size = ED_BUTTON_COUNT_XSIZE;
2240         y_size = ED_BUTTON_COUNT_YSIZE;
2241       }
2242
2243       sprintf(infotext, "%s counter value by 1, 5 or 10",
2244               (j == 0 ? "decrease" : "increase"));
2245
2246       gi = CreateGadget(GDI_CUSTOM_ID, id,
2247                         GDI_CUSTOM_TYPE_ID, i,
2248                         GDI_INFO_TEXT, infotext,
2249                         GDI_X, xpos,
2250                         GDI_Y, ypos,
2251                         GDI_WIDTH, x_size,
2252                         GDI_HEIGHT, y_size,
2253                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2254                         GDI_STATE, GD_BUTTON_UNPRESSED,
2255                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2256                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2257                         GDI_EVENT_MASK, event_mask,
2258                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2259                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2260                         GDI_END);
2261
2262       if (gi == NULL)
2263         Error(ERR_EXIT, "cannot create gadget");
2264
2265       level_editor_gadget[id] = gi;
2266       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
2267
2268       if (j == 0)
2269       {
2270         int font_type = FONT_INPUT_1;
2271         int font_type_active = FONT_INPUT_1_ACTIVE;
2272         int gd_width = ED_WIN_COUNT_XSIZE;
2273
2274         id = counterbutton_info[i].gadget_id_text;
2275         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2276
2277         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2278         {
2279           font_type = FONT_LEVEL_NUMBER;
2280           font_type_active = FONT_LEVEL_NUMBER;
2281
2282           xpos += 2 * ED_GADGET_DISTANCE;
2283           ypos -= ED_GADGET_DISTANCE;
2284
2285           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2286           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2287           gd_width = ED_WIN_COUNT2_XSIZE;
2288         }
2289         else
2290         {
2291           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2292           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2293         }
2294
2295         gi = CreateGadget(GDI_CUSTOM_ID, id,
2296                           GDI_CUSTOM_TYPE_ID, i,
2297                           GDI_INFO_TEXT, "enter counter value",
2298                           GDI_X, xpos,
2299                           GDI_Y, ypos,
2300                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2301                           GDI_NUMBER_VALUE, 0,
2302                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2303                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2304                           GDI_TEXT_SIZE, 3,
2305                           GDI_TEXT_FONT, font_type,
2306                           GDI_TEXT_FONT_ACTIVE, font_type_active,
2307                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2308                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2309                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2310                           GDI_DESIGN_WIDTH, gd_width,
2311                           GDI_EVENT_MASK, event_mask,
2312                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2313                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2314                           GDI_END);
2315
2316         if (gi == NULL)
2317           Error(ERR_EXIT, "cannot create gadget");
2318
2319         level_editor_gadget[id] = gi;
2320         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
2321       }
2322     }
2323   }
2324 }
2325
2326 static void CreateDrawingAreas()
2327 {
2328   struct GadgetInfo *gi;
2329   unsigned long event_mask;
2330   int id;
2331   int i;
2332
2333   event_mask =
2334     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
2335     GD_EVENT_OFF_BORDERS;
2336
2337   /* one for the level drawing area ... */
2338   id = GADGET_ID_DRAWING_LEVEL;
2339   gi = CreateGadget(GDI_CUSTOM_ID, id,
2340                     GDI_X, SX,
2341                     GDI_Y, SY,
2342                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2343                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2344                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2345                     GDI_EVENT_MASK, event_mask,
2346                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2347                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2348                     GDI_END);
2349
2350   if (gi == NULL)
2351     Error(ERR_EXIT, "cannot create gadget");
2352
2353   level_editor_gadget[id] = gi;
2354
2355   /* ... up to eight areas for element content ... */
2356   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2357   {
2358     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
2359     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
2360
2361     id = GADGET_ID_ELEMENT_CONTENT_0 + i;
2362     gi = CreateGadget(GDI_CUSTOM_ID, id,
2363                       GDI_CUSTOM_TYPE_ID, i,
2364                       GDI_X, gx,
2365                       GDI_Y, gy,
2366                       GDI_WIDTH, 3 * MINI_TILEX,
2367                       GDI_HEIGHT, 3 * MINI_TILEY,
2368                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2369                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2370                       GDI_EVENT_MASK, event_mask,
2371                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2372                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2373                       GDI_END);
2374
2375     if (gi == NULL)
2376       Error(ERR_EXIT, "cannot create gadget");
2377
2378     level_editor_gadget[id] = gi;
2379   }
2380
2381   /* ... one for the amoeba content ... */
2382   id = GADGET_ID_AMOEBA_CONTENT;
2383   gi = CreateGadget(GDI_CUSTOM_ID, id,
2384                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2385                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2386                     GDI_WIDTH, MINI_TILEX,
2387                     GDI_HEIGHT, MINI_TILEY,
2388                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2389                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2390                     GDI_EVENT_MASK, event_mask,
2391                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2392                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2393                     GDI_END);
2394
2395   if (gi == NULL)
2396     Error(ERR_EXIT, "cannot create gadget");
2397
2398   level_editor_gadget[id] = gi;
2399
2400   /* ... one for each custom element optional graphic element ... */
2401   id = GADGET_ID_CUSTOM_GRAPHIC;
2402   gi = CreateGadget(GDI_CUSTOM_ID, id,
2403                     GDI_X, SX + 2 * MINI_TILEX,
2404                     GDI_Y, SY + 4 * MINI_TILEY + MINI_TILEY / 2,
2405                     GDI_WIDTH, TILEX,
2406                     GDI_HEIGHT, TILEY,
2407                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2408                     GDI_ITEM_SIZE, TILEX, TILEY,
2409                     GDI_EVENT_MASK, event_mask,
2410                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2411                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2412                     GDI_END);
2413
2414   if (gi == NULL)
2415     Error(ERR_EXIT, "cannot create gadget");
2416
2417   level_editor_gadget[id] = gi;
2418
2419   /* ... one for each custom element change target element ... */
2420   id = GADGET_ID_CUSTOM_CHANGED;
2421   gi = CreateGadget(GDI_CUSTOM_ID, id,
2422                     GDI_X, SX + ED_AREA_ELEM_CONTENT2_XPOS,
2423                     GDI_Y, SY + ED_AREA_ELEM_CONTENT2_YPOS,
2424                     GDI_WIDTH, MINI_TILEX,
2425                     GDI_HEIGHT, MINI_TILEY,
2426                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2427                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2428                     GDI_EVENT_MASK, event_mask,
2429                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2430                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2431                     GDI_END);
2432
2433   if (gi == NULL)
2434     Error(ERR_EXIT, "cannot create gadget");
2435
2436   level_editor_gadget[id] = gi;
2437
2438   /* ... and one for random placement background restrictions */
2439
2440   id = GADGET_ID_RANDOM_BACKGROUND;
2441   gi = CreateGadget(GDI_CUSTOM_ID, id,
2442                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2443                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2444                     GDI_WIDTH, MINI_TILEX,
2445                     GDI_HEIGHT, MINI_TILEY,
2446                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2447                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2448                     GDI_EVENT_MASK, event_mask,
2449                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2450                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2451                     GDI_END);
2452
2453   if (gi == NULL)
2454     Error(ERR_EXIT, "cannot create gadget");
2455
2456   level_editor_gadget[id] = gi;
2457 }
2458
2459 static void CreateTextInputGadgets()
2460 {
2461   int max_infotext_len = getMaxInfoTextLength();
2462   int i;
2463
2464   for (i=0; i<ED_NUM_TEXTINPUT; i++)
2465   {
2466     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2467     int gd_x, gd_y;
2468     struct GadgetInfo *gi;
2469     unsigned long event_mask;
2470     char infotext[MAX_OUTPUT_LINESIZE + 1];
2471     int id = textinput_info[i].gadget_id;
2472
2473     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2474
2475     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2476     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2477
2478     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
2479     infotext[max_infotext_len] = '\0';
2480
2481     gi = CreateGadget(GDI_CUSTOM_ID, id,
2482                       GDI_CUSTOM_TYPE_ID, i,
2483                       GDI_INFO_TEXT, infotext,
2484                       GDI_X, SX + textinput_info[i].x,
2485                       GDI_Y, SY + textinput_info[i].y,
2486                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
2487                       GDI_TEXT_VALUE, textinput_info[i].value,
2488                       GDI_TEXT_SIZE, textinput_info[i].size,
2489                       GDI_TEXT_FONT, FONT_INPUT_1,
2490                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2491                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2492                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2493                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2494                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2495                       GDI_EVENT_MASK, event_mask,
2496                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2497                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
2498                       GDI_END);
2499
2500     if (gi == NULL)
2501       Error(ERR_EXIT, "cannot create gadget");
2502
2503     level_editor_gadget[id] = gi;
2504   }
2505 }
2506
2507 static void CreateSelectboxGadgets()
2508 {
2509   int max_infotext_len = getMaxInfoTextLength();
2510   int i, j;
2511
2512   for (i=0; i<ED_NUM_SELECTBOX; i++)
2513   {
2514     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2515     int gd_x, gd_y;
2516     int xoffset;
2517     struct GadgetInfo *gi;
2518     unsigned long event_mask;
2519     char infotext[MAX_OUTPUT_LINESIZE + 1];
2520     int id = selectbox_info[i].gadget_id;
2521
2522     /* (we cannot use -1 for uninitialized values if we directly compare
2523        with results from strlen(), because the '<' and '>' operation will
2524        implicitely cast -1 to an unsigned integer value!) */
2525
2526     if (selectbox_info[i].size == 0)    /* dynamically determined */
2527       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
2528         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
2529           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
2530
2531     event_mask = GD_EVENT_RELEASED |
2532       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2533
2534     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
2535     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
2536
2537     xoffset = (getFontWidth(FONT_TEXT_1) * strlen(selectbox_info[i].text) +
2538                2 * ED_GADGET_DISTANCE);
2539
2540     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
2541     infotext[max_infotext_len] = '\0';
2542
2543     gi = CreateGadget(GDI_CUSTOM_ID, id,
2544                       GDI_CUSTOM_TYPE_ID, i,
2545                       GDI_INFO_TEXT, infotext,
2546                       GDI_X, SX + selectbox_info[i].x + xoffset,
2547                       GDI_Y, SY + selectbox_info[i].y,
2548                       GDI_TYPE, GD_TYPE_SELECTBOX,
2549                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
2550                       GDI_SELECTBOX_INDEX, selectbox_info[i].index,
2551                       GDI_TEXT_SIZE, selectbox_info[i].size,
2552                       GDI_TEXT_FONT, FONT_INPUT_1,
2553                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2554                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2555                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2556                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2557                       GDI_BORDER_SIZE_SELECTBUTTON, getFontWidth(FONT_INPUT_1),
2558                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2559                       GDI_EVENT_MASK, event_mask,
2560                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2561                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
2562                       GDI_END);
2563
2564     if (gi == NULL)
2565       Error(ERR_EXIT, "cannot create gadget");
2566
2567     level_editor_gadget[id] = gi;
2568   }
2569 }
2570
2571 static void CreateTextbuttonGadgets()
2572 {
2573   int max_infotext_len = getMaxInfoTextLength();
2574   int i;
2575
2576   for (i=0; i<ED_NUM_TEXTBUTTON; i++)
2577   {
2578     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2579     int gd_x1, gd_x2, gd_y1, gd_y2;
2580     struct GadgetInfo *gi;
2581     unsigned long event_mask;
2582     char infotext[MAX_OUTPUT_LINESIZE + 1];
2583     int id = textbutton_info[i].gadget_id;
2584
2585     event_mask = GD_EVENT_RELEASED;
2586
2587     gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
2588     gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
2589     gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
2590     gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
2591
2592     sprintf(infotext, "%s", textbutton_info[i].infotext);
2593     infotext[max_infotext_len] = '\0';
2594
2595     gi = CreateGadget(GDI_CUSTOM_ID, id,
2596                       GDI_CUSTOM_TYPE_ID, i,
2597                       GDI_INFO_TEXT, infotext,
2598                       GDI_X, SX + textbutton_info[i].x,
2599                       GDI_Y, SY + textbutton_info[i].y,
2600                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
2601                       GDI_TEXT_VALUE, textbutton_info[i].value,
2602                       GDI_TEXT_SIZE, textbutton_info[i].size,
2603                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
2604                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
2605                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2606                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2607                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2608                       GDI_BORDER_SIZE, ED_BORDER2_SIZE, ED_BORDER_SIZE,
2609                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2610                       GDI_DECORATION_SHIFTING, 1, 1,
2611                       GDI_EVENT_MASK, event_mask,
2612                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2613                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
2614                       GDI_END);
2615
2616     if (gi == NULL)
2617       Error(ERR_EXIT, "cannot create gadget");
2618
2619     level_editor_gadget[id] = gi;
2620   }
2621 }
2622
2623 static void CreateScrollbarGadgets()
2624 {
2625   int i;
2626
2627   for (i=0; i<ED_NUM_SCROLLBARS; i++)
2628   {
2629     int id = scrollbar_info[i].gadget_id;
2630     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2631     int gd_x1, gd_x2, gd_y1, gd_y2;
2632     struct GadgetInfo *gi;
2633     int items_max, items_visible, item_position;
2634     unsigned long event_mask;
2635
2636     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
2637     {
2638       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
2639       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
2640       item_position = 0;
2641     }
2642     else        /* drawing area scrollbars */
2643     {
2644       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
2645       {
2646         items_max = MAX(lev_fieldx + 2, ed_fieldx);
2647         items_visible = ed_fieldx;
2648         item_position = 0;
2649       }
2650       else
2651       {
2652         items_max = MAX(lev_fieldy + 2, ed_fieldy);
2653         items_visible = ed_fieldy;
2654         item_position = 0;
2655       }
2656     }
2657
2658     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2659
2660     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].xpos;
2661     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
2662                       scrollbar_info[i].height : scrollbar_info[i].width));
2663     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2664     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].ypos;
2665
2666     gi = CreateGadget(GDI_CUSTOM_ID, id,
2667                       GDI_CUSTOM_TYPE_ID, i,
2668                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2669                       GDI_X, scrollbar_info[i].x,
2670                       GDI_Y, scrollbar_info[i].y,
2671                       GDI_WIDTH, scrollbar_info[i].width,
2672                       GDI_HEIGHT, scrollbar_info[i].height,
2673                       GDI_TYPE, scrollbar_info[i].type,
2674                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2675                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2676                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2677                       GDI_STATE, GD_BUTTON_UNPRESSED,
2678                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2679                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2680                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2681                       GDI_EVENT_MASK, event_mask,
2682                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2683                       GDI_CALLBACK_ACTION, HandleControlButtons,
2684                       GDI_END);
2685
2686     if (gi == NULL)
2687       Error(ERR_EXIT, "cannot create gadget");
2688
2689     level_editor_gadget[id] = gi;
2690   }
2691 }
2692
2693 static void CreateCheckbuttonGadgets()
2694 {
2695   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2696   struct GadgetInfo *gi;
2697   unsigned long event_mask;
2698   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
2699   boolean checked;
2700   int i;
2701
2702   event_mask = GD_EVENT_PRESSED;
2703
2704   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2705   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2706   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
2707   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
2708   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
2709
2710   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
2711   {
2712     int id = radiobutton_info[i].gadget_id;
2713
2714     checked =
2715       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2716
2717     gi = CreateGadget(GDI_CUSTOM_ID, id,
2718                       GDI_CUSTOM_TYPE_ID, i,
2719                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
2720                       GDI_X, SX + radiobutton_info[i].x,
2721                       GDI_Y, SY + radiobutton_info[i].y,
2722                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2723                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2724                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
2725                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
2726                       GDI_CHECKED, checked,
2727                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2728                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2729                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2730                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2731                       GDI_EVENT_MASK, event_mask,
2732                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2733                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
2734                       GDI_END);
2735
2736     if (gi == NULL)
2737       Error(ERR_EXIT, "cannot create gadget");
2738
2739     level_editor_gadget[id] = gi;
2740   }
2741
2742   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
2743   {
2744     int id = checkbutton_info[i].gadget_id;
2745
2746     if (id == GADGET_ID_STICK_ELEMENT)
2747       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
2748     else
2749       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
2750
2751     gi = CreateGadget(GDI_CUSTOM_ID, id,
2752                       GDI_CUSTOM_TYPE_ID, i,
2753                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
2754                       GDI_X, SX + checkbutton_info[i].x,
2755                       GDI_Y, SY + checkbutton_info[i].y,
2756                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2757                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2758                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
2759                       GDI_CHECKED, *checkbutton_info[i].value,
2760                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2761                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2762                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2763                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2764                       GDI_EVENT_MASK, event_mask,
2765                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2766                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
2767                       GDI_END);
2768
2769     if (gi == NULL)
2770       Error(ERR_EXIT, "cannot create gadget");
2771
2772     level_editor_gadget[id] = gi;
2773   }
2774 }
2775
2776 void CreateLevelEditorGadgets()
2777 {
2778   int old_game_status = game_status;
2779
2780   /* setting 'game_status' is needed to get the right fonts for the editor */
2781   game_status = GAME_MODE_EDITOR;
2782
2783   ReinitializeElementList();
2784
2785   CreateControlButtons();
2786   CreateCounterButtons();
2787   CreateDrawingAreas();
2788   CreateTextInputGadgets();
2789   CreateSelectboxGadgets();
2790   CreateTextbuttonGadgets();
2791   CreateScrollbarGadgets();
2792   CreateCheckbuttonGadgets();
2793
2794   game_status = old_game_status;
2795 }
2796
2797 void FreeLevelEditorGadgets()
2798 {
2799   int i;
2800
2801   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2802     FreeGadget(level_editor_gadget[i]);
2803 }
2804
2805 static void MapCounterButtons(int id)
2806 {
2807   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
2808   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
2809   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
2810 }
2811
2812 static void MapControlButtons()
2813 {
2814   int counter_id;
2815   int i;
2816
2817   /* map toolbox buttons */
2818   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2819     MapGadget(level_editor_gadget[i]);
2820
2821   /* map buttons to select elements */
2822   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2823     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
2824   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
2825   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
2826   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
2827
2828   /* map buttons to select level */
2829   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
2830   ModifyEditorCounterLimits(counter_id,
2831                             leveldir_current->first_level,
2832                             leveldir_current->last_level);
2833   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
2834   MapCounterButtons(counter_id);
2835 }
2836
2837 static void MapDrawingArea(int id)
2838 {
2839   MapGadget(level_editor_gadget[id]);
2840 }
2841
2842 static void MapTextInputGadget(int id)
2843 {
2844   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
2845 }
2846
2847 static void MapSelectboxGadget(int id)
2848 {
2849   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
2850 }
2851
2852 static void MapTextbuttonGadget(int id)
2853 {
2854   MapGadget(level_editor_gadget[textbutton_info[id].gadget_id]);
2855 }
2856
2857 static void MapRadiobuttonGadget(int id)
2858 {
2859   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
2860 }
2861
2862 static void MapCheckbuttonGadget(int id)
2863 {
2864   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
2865 }
2866
2867 static void MapMainDrawingArea()
2868 {
2869   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
2870   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
2871   int i;
2872
2873   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
2874   {
2875     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
2876           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
2877          no_horizontal_scrollbar) ||
2878         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
2879           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
2880          no_vertical_scrollbar))
2881       continue;
2882
2883     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
2884   }
2885
2886   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
2887   {
2888     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
2889         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
2890       continue;
2891
2892     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
2893   }
2894
2895   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
2896 }
2897
2898 static void UnmapDrawingArea(int id)
2899 {
2900   UnmapGadget(level_editor_gadget[id]);
2901 }
2902
2903 void UnmapLevelEditorWindowGadgets()
2904 {
2905   int i;
2906
2907   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2908     if (level_editor_gadget[i]->x < SX + SXSIZE)
2909       UnmapGadget(level_editor_gadget[i]);
2910 }
2911
2912 void UnmapLevelEditorGadgets()
2913 {
2914   int i;
2915
2916   for (i=0; i<NUM_EDITOR_GADGETS; i++)
2917     UnmapGadget(level_editor_gadget[i]);
2918 }
2919
2920 static void ResetUndoBuffer()
2921 {
2922   undo_buffer_position = -1;
2923   undo_buffer_steps = -1;
2924   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
2925 }
2926
2927 static void DrawEditModeWindow()
2928 {
2929   if (edit_mode == ED_MODE_INFO)
2930     DrawLevelInfoWindow();
2931   else if (edit_mode == ED_MODE_PROPERTIES)
2932     DrawPropertiesWindow();
2933   else  /* edit_mode == ED_MODE_DRAWING */
2934     DrawDrawingWindow();
2935 }
2936
2937 static boolean LevelChanged()
2938 {
2939   boolean level_changed = FALSE;
2940   int x, y;
2941
2942   for(y=0; y<lev_fieldy; y++)
2943     for(x=0; x<lev_fieldx; x++)
2944       if (Feld[x][y] != Ur[x][y])
2945         level_changed = TRUE;
2946
2947   return level_changed;
2948 }
2949
2950 static boolean LevelContainsPlayer()
2951 {
2952   boolean player_found = FALSE;
2953   int x, y;
2954
2955   for(y=0; y<lev_fieldy; y++)
2956     for(x=0; x<lev_fieldx; x++)
2957       if (Feld[x][y] == EL_PLAYER_1 ||
2958           Feld[x][y] == EL_SP_MURPHY)
2959         player_found = TRUE;
2960
2961   return player_found;
2962 }
2963
2964 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
2965                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
2966 {
2967   int x, y;
2968
2969   for(x=0; x<lev_fieldx; x++)
2970     for(y=0; y<lev_fieldy; y++)
2971       dst[x][y] = src[x][y];
2972 }
2973
2974 static void CopyCustomElementPropertiesToEditor(int element)
2975 {
2976   int i;
2977
2978   i = properties_element - EL_CUSTOM_START;
2979   custom_element_change = level.custom_element[i].change;
2980
2981   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
2982     custom_element_properties[i] = HAS_PROPERTY(element, i);
2983
2984   for (i=0; i < NUM_CHANGE_EVENTS; i++)
2985     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
2986 }
2987
2988 static void CopyCustomElementPropertiesToGame(int element)
2989 {
2990   int i;
2991
2992   i = properties_element - EL_CUSTOM_START;
2993   level.custom_element[i].change = custom_element_change;
2994
2995   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
2996     SET_PROPERTY(element, i, custom_element_properties[i]);
2997
2998   for (i=0; i < NUM_CHANGE_EVENTS; i++)
2999     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
3000
3001   /* copy change events also to special level editor variable */
3002   i = properties_element - EL_CUSTOM_START;
3003   custom_element_change = level.custom_element[i].change;
3004 }
3005
3006 void DrawLevelEd()
3007 {
3008   CloseDoor(DOOR_CLOSE_ALL);
3009   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
3010
3011   if (level_editor_test_game)
3012   {
3013     CopyPlayfield(Ur, Feld);
3014     CopyPlayfield(FieldBackup, Ur);
3015
3016     level_editor_test_game = FALSE;
3017   }
3018   else
3019   {
3020     edit_mode = ED_MODE_DRAWING;
3021     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
3022
3023     ResetUndoBuffer();
3024
3025     level_xpos = -1;
3026     level_ypos = -1;
3027   }
3028
3029   /* copy default editor door content to main double buffer */
3030   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3031              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
3032
3033   /* draw mouse button brush elements */
3034   DrawMiniGraphicExt(drawto,
3035                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3036                      el2edimg(new_element1));
3037   DrawMiniGraphicExt(drawto,
3038                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3039                      el2edimg(new_element2));
3040   DrawMiniGraphicExt(drawto,
3041                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3042                      el2edimg(new_element3));
3043
3044   /* draw bigger door */
3045   DrawSpecialEditorDoor();
3046
3047   /* draw new control window */
3048   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3049              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
3050
3051   redraw_mask |= REDRAW_ALL;
3052
3053   ReinitializeElementListButtons();     /* only needed after setup changes */
3054
3055   UnmapTapeButtons();
3056   MapControlButtons();
3057
3058   /* copy actual editor door content to door double buffer for OpenDoor() */
3059   BlitBitmap(drawto, bitmap_db_door,
3060              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
3061
3062   DrawEditModeWindow();
3063
3064   OpenDoor(DOOR_OPEN_1);
3065 }
3066
3067 static void AdjustDrawingAreaGadgets()
3068 {
3069   int ed_xsize = lev_fieldx + 2;
3070   int ed_ysize = lev_fieldy + 2;
3071   int max_ed_fieldx = MAX_ED_FIELDX;
3072   int max_ed_fieldy = MAX_ED_FIELDY;
3073   boolean horizontal_scrollbar_needed;
3074   boolean vertical_scrollbar_needed;
3075   int x, y, width, height;
3076   int xoffset, yoffset;
3077
3078   /* check if we need any scrollbars */
3079   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3080   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3081
3082   /* check if we have a smaller editor field because of scrollbars */
3083   if (horizontal_scrollbar_needed)
3084     max_ed_fieldy = MAX_ED_FIELDY - 1;
3085   if (vertical_scrollbar_needed)
3086     max_ed_fieldx = MAX_ED_FIELDX - 1;
3087
3088   /* check again if we now need more scrollbars because of less space */
3089   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3090   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3091
3092   /* check if editor field gets even smaller after adding new scrollbars */
3093   if (horizontal_scrollbar_needed)
3094     max_ed_fieldy = MAX_ED_FIELDY - 1;
3095   if (vertical_scrollbar_needed)
3096     max_ed_fieldx = MAX_ED_FIELDX - 1;
3097
3098   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
3099   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
3100
3101   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
3102                GDI_WIDTH, ed_fieldx * MINI_TILEX,
3103                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
3104                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
3105                GDI_END);
3106
3107   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
3108   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
3109
3110   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
3111   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
3112
3113   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
3114   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
3115
3116   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
3117   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
3118
3119   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3120                GDI_WIDTH, width,
3121                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
3122                GDI_END);
3123   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
3124                GDI_HEIGHT, height,
3125                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
3126                GDI_END);
3127 }
3128
3129 static void AdjustLevelScrollPosition()
3130 {
3131   if (level_xpos < -1)
3132     level_xpos = -1;
3133   if (level_xpos > lev_fieldx - ed_fieldx + 1)
3134     level_xpos = lev_fieldx - ed_fieldx + 1;
3135   if (lev_fieldx < ed_fieldx - 2)
3136     level_xpos = -1;
3137
3138   if (level_ypos < -1)
3139     level_ypos = -1;
3140   if (level_ypos > lev_fieldy - ed_fieldy + 1)
3141     level_ypos = lev_fieldy - ed_fieldy + 1;
3142   if (lev_fieldy < ed_fieldy - 2)
3143     level_ypos = -1;
3144 }
3145
3146 static void AdjustEditorScrollbar(int id)
3147 {
3148   struct GadgetInfo *gi = level_editor_gadget[id];
3149   int items_max, items_visible, item_position;
3150
3151   if (id == GADGET_ID_SCROLL_HORIZONTAL)
3152   {
3153     items_max = MAX(lev_fieldx + 2, ed_fieldx);
3154     items_visible = ed_fieldx;
3155     item_position = level_xpos + 1;
3156   }
3157   else
3158   {
3159     items_max = MAX(lev_fieldy + 2, ed_fieldy);
3160     items_visible = ed_fieldy;
3161     item_position = level_ypos + 1;
3162   }
3163
3164   if (item_position > items_max - items_visible)
3165     item_position = items_max - items_visible;
3166
3167   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
3168                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
3169 }
3170
3171 static void ModifyEditorTextInput(int textinput_id, char *new_text)
3172 {
3173   int gadget_id = textinput_info[textinput_id].gadget_id;
3174   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3175
3176   ModifyGadget(gi, GDI_TEXT_VALUE, new_text, GDI_END);
3177 }
3178
3179 static void ModifyEditorCounter(int counter_id, int new_value)
3180 {
3181   int *counter_value = counterbutton_info[counter_id].value;
3182   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3183   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3184
3185   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
3186
3187   if (counter_value != NULL)
3188     *counter_value = gi->text.number_value;
3189 }
3190
3191 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
3192 {
3193   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3194   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3195
3196   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
3197 }
3198
3199 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
3200 {
3201   int gadget_id = selectbox_info[selectbox_id].gadget_id;
3202   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3203   int new_index_value = 0;
3204   int i;
3205
3206   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
3207     if (selectbox_info[selectbox_id].options[i].value == new_value)
3208       new_index_value = i;
3209
3210   *selectbox_info[selectbox_id].value =
3211     selectbox_info[selectbox_id].options[new_index_value].value;
3212
3213   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
3214 }
3215
3216 static void ModifyEditorElementList()
3217 {
3218   int i;
3219
3220   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3221   {
3222     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
3223     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3224     struct GadgetDesign *gd = &gi->deco.design;
3225     int element = editor_elements[element_shift + i];
3226
3227     UnmapGadget(gi);
3228     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
3229     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
3230     MapGadget(gi);
3231   }
3232 }
3233
3234 static void PickDrawingElement(int button, int element)
3235 {
3236   if (button < 1 || button > 3)
3237     return;
3238
3239   if (button == 1)
3240   {
3241     new_element1 = element;
3242     DrawMiniGraphicExt(drawto,
3243                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3244                        el2edimg(new_element1));
3245   }
3246   else if (button == 2)
3247   {
3248     new_element2 = element;
3249     DrawMiniGraphicExt(drawto,
3250                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3251                        el2edimg(new_element2));
3252   }
3253   else
3254   {
3255     new_element3 = element;
3256     DrawMiniGraphicExt(drawto,
3257                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3258                        el2edimg(new_element3));
3259   }
3260
3261   redraw_mask |= REDRAW_DOOR_1;
3262 }
3263
3264 static void DrawDrawingWindow()
3265 {
3266   SetMainBackgroundImage(IMG_UNDEFINED);
3267   ClearWindow();
3268   UnmapLevelEditorWindowGadgets();
3269
3270   AdjustDrawingAreaGadgets();
3271   AdjustLevelScrollPosition();
3272   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
3273   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
3274
3275   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3276   MapMainDrawingArea();
3277 }
3278
3279 static void DrawElementBorder(int dest_x, int dest_y, int width, int height)
3280 {
3281   int border_graphic = IMG_EDITOR_ELEMENT_BORDER;
3282   Bitmap *src_bitmap;
3283   int src_x, src_y;
3284   int num_mini_tilex = width / MINI_TILEX + 1;
3285   int num_mini_tiley = width / MINI_TILEY + 1;
3286   int x, y;
3287
3288   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3289
3290   for (y=0; y < num_mini_tiley; y++)
3291     for (x=0; x < num_mini_tilex; x++)
3292       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3293                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3294                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3295
3296   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3297 }
3298
3299 static void DrawRandomPlacementBackgroundArea()
3300 {
3301   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
3302   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
3303   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
3304   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
3305
3306   ElementContent[0][0][0] = random_placement_background_element;
3307
3308   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
3309   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
3310
3311   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
3312 }
3313
3314 static void DrawLevelInfoWindow()
3315 {
3316   char infotext[MAX_OUTPUT_LINESIZE + 1];
3317   int max_infotext_len = getMaxInfoTextLength();
3318   int xoffset_above = 0;
3319   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3320   int xoffset_right = getCounterGadgetWidth();
3321   int yoffset_right = ED_BORDER_SIZE;
3322   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
3323   int yoffset_right2 = ED_BORDER_SIZE;
3324   int i, x, y;
3325
3326   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
3327   ClearWindow();
3328   UnmapLevelEditorWindowGadgets();
3329
3330   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
3331            "Level Settings", FONT_TITLE_1);
3332   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
3333            "Editor Settings", FONT_TITLE_1);
3334
3335   /* draw counter gadgets */
3336   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
3337   {
3338     if (counterbutton_info[i].infotext_above)
3339     {
3340       x = counterbutton_info[i].x + xoffset_above;
3341       y = counterbutton_info[i].y + yoffset_above;
3342
3343       sprintf(infotext, "%s:", counterbutton_info[i].infotext_above);
3344       infotext[max_infotext_len] = '\0';
3345       DrawTextF(x, y, FONT_TEXT_1, infotext);
3346     }
3347
3348     if (counterbutton_info[i].infotext_right)
3349     {
3350       x = counterbutton_info[i].x + xoffset_right;
3351       y = counterbutton_info[i].y + yoffset_right;
3352
3353       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
3354       infotext[max_infotext_len] = '\0';
3355       DrawTextF(x, y, FONT_TEXT_1, infotext);
3356     }
3357
3358     ModifyEditorCounter(i, *counterbutton_info[i].value);
3359     MapCounterButtons(i);
3360   }
3361
3362   /* draw text input gadgets */
3363   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
3364   {
3365     x = textinput_info[i].x + xoffset_above;
3366     y = textinput_info[i].y + yoffset_above;
3367
3368     sprintf(infotext, "%s:", textinput_info[i].infotext);
3369     infotext[max_infotext_len] = '\0';
3370
3371     DrawTextF(x, y, FONT_TEXT_1, infotext);
3372     ModifyEditorTextInput(i, textinput_info[i].value);
3373     MapTextInputGadget(i);
3374   }
3375
3376   /* draw radiobutton gadgets */
3377   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
3378   {
3379     boolean checked =
3380       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3381
3382     x = radiobutton_info[i].x + xoffset_right2;
3383     y = radiobutton_info[i].y + yoffset_right2;
3384
3385     DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[i].text);
3386     ModifyGadget(level_editor_gadget[radiobutton_info[i].gadget_id],
3387                  GDI_CHECKED, checked, GDI_END);
3388     MapRadiobuttonGadget(i);
3389   }
3390
3391   /* draw checkbutton gadgets */
3392   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
3393   {
3394     x = checkbutton_info[i].x + xoffset_right2;
3395     y = checkbutton_info[i].y + yoffset_right2;
3396
3397     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3398     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3399                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3400     MapCheckbuttonGadget(i);
3401   }
3402
3403   /* draw drawing area */
3404   DrawRandomPlacementBackgroundArea();
3405 }
3406
3407 static void DrawAmoebaContentArea()
3408 {
3409   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3410   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3411   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3412   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3413
3414   ElementContent[0][0][0] = level.amoeba_content;
3415
3416   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
3417   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
3418
3419   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
3420
3421   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
3422 }
3423
3424 static void DrawCustomChangedArea()
3425 {
3426   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGED];
3427 #if 0
3428   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
3429   int yoffset_right2 = ED_BORDER_SIZE;
3430   int i = ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE;
3431   int text_len = strlen(checkbutton_info[i].text);
3432   int text_width = text_len * getFontWidth(FONT_TEXT_1);
3433   int xpos = checkbutton_info[i].x + 2 * xoffset_right2 + text_width;
3434   int ypos = checkbutton_info[i].y + yoffset_right2;
3435 #else
3436   int xpos = ED_AREA_ELEM_CONTENT2_XPOS;
3437   int ypos = ED_AREA_ELEM_CONTENT2_YPOS;
3438 #endif
3439   int area_x = xpos / MINI_TILEX;
3440   int area_y = ypos / MINI_TILEY;
3441   int area_sx = SX + xpos;
3442   int area_sy = SY + ypos;
3443
3444   if (!IS_CUSTOM_ELEMENT(properties_element))
3445   {
3446     /* this should never happen */
3447     Error(ERR_WARN, "element %d is no custom element", properties_element);
3448
3449     return;
3450   }
3451
3452   ElementContent[0][0][0] = custom_element_change.successor;
3453
3454   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY);
3455 #if 1
3456   DrawMiniGraphicExt(drawto,
3457                      gi->x,
3458                      gi->y,
3459                      el2edimg(ElementContent[0][0][0]));
3460 #else
3461   DrawMiniElement(area_x, area_y, ElementContent[0][0][0]);
3462 #endif
3463
3464 #if 0
3465   DrawText(area_sx + TILEX, area_sy + 1, "Element after change", FONT_TEXT_1);
3466 #endif
3467
3468   MapDrawingArea(GADGET_ID_CUSTOM_CHANGED);
3469 }
3470
3471 static void DrawElementContentAreas()
3472 {
3473   int counter_id = ED_COUNTER_ID_ELEMENT_CONTENT;
3474   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3475   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3476   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3477   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3478   int xoffset_right = getCounterGadgetWidth();
3479   int yoffset_right = ED_BORDER_SIZE;
3480   int i, x, y;
3481
3482   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
3483     for (y=0; y<3; y++)
3484       for (x=0; x<3; x++)
3485         ElementContent[i][x][y] = level.yam_content[i][x][y];
3486
3487   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
3488     UnmapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
3489
3490   /* display counter to choose number of element content areas */
3491   x = counterbutton_info[counter_id].x + xoffset_right;
3492   y = counterbutton_info[counter_id].y + yoffset_right;
3493   DrawTextF(x, y, FONT_TEXT_1, "number of content areas");
3494
3495   ModifyEditorCounter(counter_id, *counterbutton_info[counter_id].value);
3496   MapCounterButtons(counter_id);
3497
3498   /* delete content areas in case of reducing number of them */
3499   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
3500
3501   for (i=0; i<level.num_yam_contents; i++)
3502     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
3503                       area_sy + 6 * (i / 4) * MINI_TILEY,
3504                       3 * MINI_TILEX, 3 * MINI_TILEY);
3505
3506   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
3507            "Content", FONT_TEXT_1);
3508   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
3509            "when",    FONT_TEXT_1);
3510   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
3511            "smashed", FONT_TEXT_1);
3512
3513   for (i=0; i<level.num_yam_contents; i++)
3514   {
3515     for (y=0; y<3; y++)
3516       for (x=0; x<3; x++)
3517         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
3518                         ElementContent[i][x][y]);
3519
3520     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
3521               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
3522               FONT_TEXT_1, "%d", i + 1);
3523   }
3524
3525   for (i=0; i<level.num_yam_contents; i++)
3526     MapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
3527 }
3528
3529 #define TEXT_COLLECTING         "Score for collecting"
3530 #define TEXT_SMASHING           "Score for smashing"
3531 #define TEXT_CRACKING           "Score for cracking"
3532 #define TEXT_SPEED              "Speed of amoeba growth"
3533 #define TEXT_DURATION           "Duration when activated"
3534
3535 static struct
3536 {
3537   int element;
3538   int *value;
3539   char *text;
3540 } elements_with_counter[] =
3541 {
3542   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
3543   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
3544   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
3545   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
3546   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
3547   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
3548   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
3549   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
3550   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
3551   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
3552   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
3553   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
3554   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
3555   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
3556   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3557   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3558   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3559   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3560   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3561   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3562   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3563   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
3564   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
3565   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
3566   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
3567   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
3568   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
3569   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
3570   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
3571   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
3572   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
3573   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
3574   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
3575   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
3576   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
3577   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
3578   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
3579   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
3580   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
3581   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
3582   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
3583   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
3584   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
3585   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
3586   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
3587   { -1,                 NULL,                           NULL            }
3588 };
3589
3590 static boolean checkPropertiesConfig()
3591 {
3592   int i;
3593
3594   if (IS_GEM(properties_element) ||
3595       IS_CUSTOM_ELEMENT(properties_element) ||
3596       HAS_CONTENT(properties_element))
3597     return TRUE;
3598   else
3599     for (i=0; elements_with_counter[i].element != -1; i++)
3600       if (elements_with_counter[i].element == properties_element)
3601         return TRUE;
3602
3603   return FALSE;
3604 }
3605
3606 static void DrawPropertiesConfig()
3607 {
3608   boolean element_has_score = FALSE;
3609   char *element_score_text = NULL;
3610   static int temporary_dummy_score = 0;
3611   int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
3612   int xoffset_right = getCounterGadgetWidth();
3613   int yoffset_right = ED_BORDER_SIZE;
3614   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
3615   int yoffset_right2 = ED_BORDER_SIZE;
3616   int i, x, y;
3617
3618   /* check if there are elements where a score can be chosen for */
3619   for (i=0; elements_with_counter[i].element != -1; i++)
3620   {
3621     if (elements_with_counter[i].element == properties_element)
3622     {
3623 #if 1
3624       counterbutton_info[counter_id].value = elements_with_counter[i].value;
3625       element_score_text = elements_with_counter[i].text;
3626       element_has_score = TRUE;
3627 #else
3628       int x = counterbutton_info[counter_id].x + xoffset_right;
3629       int y = counterbutton_info[counter_id].y + yoffset_right;
3630
3631       counterbutton_info[counter_id].value = elements_with_counter[i].value;
3632       DrawTextF(x, y, FONT_TEXT_1, elements_with_counter[i].text);
3633
3634       ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
3635       MapCounterButtons(counter_id);
3636 #endif
3637       break;
3638     }
3639   }
3640
3641   if (IS_CUSTOM_ELEMENT(properties_element))
3642   {
3643     counterbutton_info[counter_id].value = &temporary_dummy_score;
3644     element_score_text = "Score for certain actions";
3645     element_has_score = TRUE;
3646   }
3647
3648   if (element_has_score)
3649   {
3650     int x = counterbutton_info[counter_id].x + xoffset_right;
3651     int y = counterbutton_info[counter_id].y + yoffset_right;
3652
3653     DrawTextF(x, y, FONT_TEXT_1, element_score_text);
3654
3655     ModifyEditorCounter(counter_id,  *counterbutton_info[counter_id].value);
3656     MapCounterButtons(counter_id);
3657   }
3658
3659   if (HAS_CONTENT(properties_element))
3660   {
3661     /* draw stickybutton gadget */
3662     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
3663     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
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,
3670                  GDI_Y, SY + checkbutton_info[i].y, GDI_END);
3671     MapCheckbuttonGadget(i);
3672
3673     if (HAS_CONTENT(properties_element))
3674     {
3675       if (IS_AMOEBOID(properties_element))
3676         DrawAmoebaContentArea();
3677       else
3678         DrawElementContentAreas();
3679     }
3680   }
3681
3682   if (IS_GEM(properties_element))
3683   {
3684     /* draw checkbutton gadget */
3685     i = ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS;
3686     x = checkbutton_info[i].x + xoffset_right2;
3687     y = checkbutton_info[i].y + yoffset_right2;
3688
3689     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3690     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3691                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3692     MapCheckbuttonGadget(i);
3693   }
3694
3695   if (IS_CUSTOM_ELEMENT(properties_element))
3696   {
3697     /* draw checkbutton gadgets */
3698     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
3699          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
3700     {
3701       x = checkbutton_info[i].x + xoffset_right2;
3702       y = checkbutton_info[i].y + yoffset_right2;
3703
3704       DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
3705       ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
3706                    GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
3707       MapCheckbuttonGadget(i);
3708     }
3709   }
3710 }
3711
3712 char *getElementDescriptionFilename(int element)
3713 {
3714   char *docs_dir = options.docs_directory;
3715   char *elements_subdir = "elements";
3716   static char *filename = NULL;
3717   char basename[MAX_FILENAME_LEN];
3718
3719   if (filename != NULL)
3720     free(filename);
3721
3722   /* 1st try: look for element description file for exactly this element */
3723   sprintf(basename, "%s.txt", element_info[element].token_name);
3724   filename = getPath3(docs_dir, elements_subdir, basename);
3725   if (fileExists(filename))
3726     return filename;
3727
3728   free(filename);
3729
3730   /* 2nd try: look for element description file for this element's class */
3731   sprintf(basename, "%s.txt", element_info[element].class_name);
3732   filename = getPath3(docs_dir, elements_subdir, basename);
3733   if (fileExists(filename))
3734     return filename;
3735
3736   return NULL;
3737 }
3738
3739 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
3740 {
3741   int font_height = getFontHeight(font_nr);
3742   int pad_x = ED_SETTINGS_XPOS;
3743   int pad_y = 5 * TILEY;
3744   int sx = SX + pad_x;
3745   int sy = SY + pad_y;
3746   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
3747
3748   if (screen_line >= max_lines_per_screen)
3749     return FALSE;
3750
3751   DrawText(sx, sy + screen_line * font_height, text, font_nr);
3752
3753   return TRUE;
3754 }
3755
3756 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
3757 {
3758   int font_nr = FONT_TEXT_2;
3759   int font_width = getFontWidth(font_nr);
3760   int pad_x = ED_SETTINGS_XPOS;
3761   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
3762   char line[MAX_LINE_LEN];
3763   char buffer[max_chars_per_line + 1];
3764   int buffer_len;
3765   int lines_printed = 0;
3766   FILE *file;
3767
3768   if (filename == NULL)
3769     return 0;
3770
3771   if (!(file = fopen(filename, MODE_READ)))
3772     return 0;
3773
3774   buffer[0] = '\0';
3775   buffer_len = 0;
3776
3777   while(!feof(file))
3778   {
3779     char *line_ptr, *word_ptr;
3780     boolean last_line_was_empty = TRUE;
3781
3782     /* read next line of input file */
3783     if (!fgets(line, MAX_LINE_LEN, file))
3784       break;
3785
3786     /* skip comments (lines directly beginning with '#') */
3787     if (line[0] == '#')
3788       continue;
3789
3790     /* cut trailing newline from input line */
3791     for (line_ptr = line; *line_ptr; line_ptr++)
3792     {
3793       if (*line_ptr == '\n' || *line_ptr == '\r')
3794       {
3795         *line_ptr = '\0';
3796         break;
3797       }
3798     }
3799
3800     if (strlen(line) == 0)              /* special case: force empty line */
3801       strcpy(line, "\n");
3802
3803     word_ptr = line;
3804
3805     while (*word_ptr)
3806     {
3807       boolean print_buffer = FALSE;
3808       int word_len;
3809
3810       /* skip leading whitespaces */
3811       while (*word_ptr == ' ' || *word_ptr == '\t')
3812         word_ptr++;
3813
3814       line_ptr = word_ptr;
3815       word_len = 0;
3816
3817       /* look for end of next word */
3818       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
3819       {
3820         line_ptr++;
3821         word_len++;
3822       }
3823
3824       if (word_len == 0)
3825       {
3826         continue;
3827       }
3828       else if (*word_ptr == '\n')       /* special case: force empty line */
3829       {
3830         if (buffer_len == 0)
3831           word_ptr++;
3832
3833         /* prevent printing of multiple empty lines */
3834         if (buffer_len > 0 || !last_line_was_empty)
3835           print_buffer = TRUE;
3836       }
3837       else if (word_len < max_chars_per_line - buffer_len)
3838       {
3839         /* word fits into text buffer -- add word */
3840
3841         if (buffer_len > 0)
3842           buffer[buffer_len++] = ' ';
3843
3844         strncpy(&buffer[buffer_len], word_ptr, word_len);
3845         buffer_len += word_len;
3846         buffer[buffer_len] = '\0';
3847         word_ptr += word_len;
3848       }
3849       else if (buffer_len > 0)
3850       {
3851         /* not enough space left for word in text buffer -- print buffer */
3852
3853         print_buffer = TRUE;
3854       }
3855       else
3856       {
3857         /* word does not fit at all into empty text buffer -- cut word */
3858
3859         strncpy(buffer, word_ptr, max_chars_per_line);
3860         buffer[max_chars_per_line] = '\0';
3861         word_ptr += max_chars_per_line;
3862         print_buffer = TRUE;
3863       }
3864
3865       if (print_buffer)
3866       {
3867         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
3868           return lines_printed;
3869
3870         last_line_was_empty = (buffer_len == 0);
3871         lines_printed++;
3872
3873         buffer[0] = '\0';
3874         buffer_len = 0;
3875         print_buffer = FALSE;
3876       }
3877     }
3878   }
3879
3880   fclose(file);
3881
3882   if (buffer_len > 0)
3883     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
3884       lines_printed++;
3885
3886   return lines_printed;
3887 }
3888
3889 static void DrawPropertiesTabulatorGadgets()
3890 {
3891   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
3892   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
3893   int gd_x = gd->x + gd_gi->border.width / 2;
3894   int gd_y = gd->y + gd_gi->height - 1;
3895   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
3896   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
3897   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
3898   int i;
3899
3900   /* draw additional "configure" tabulator for configurable elements */
3901   if (checkPropertiesConfig())
3902     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
3903
3904   /* draw additional "advanced" tabulator for custom elements */
3905   if (IS_CUSTOM_ELEMENT(properties_element))
3906     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
3907
3908   for (i=id_first; i <= id_last; i++)
3909   {
3910     int gadget_id = textbutton_info[i].gadget_id;
3911     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3912     boolean active = (i != edit_mode_properties);
3913
3914     /* draw background line below tabulator button */
3915     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
3916
3917     /* draw solid line below inactive tabulator buttons */
3918     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
3919       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
3920
3921     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
3922     MapTextbuttonGadget(i);
3923   }
3924
3925   /* draw little border line below tabulator buttons */
3926   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
3927     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
3928                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
3929                   ED_GADGET_DISTANCE, tab_color);
3930 }
3931
3932 static void DrawPropertiesInfo()
3933 {
3934   static struct
3935   {
3936     int value;
3937     char *text;
3938   }
3939   properties[] =
3940   {
3941     /* configurable properties */
3942     { EP_INDESTRUCTIBLE,        "- undestructible"                      },
3943     { EP_DIGGABLE,              "- diggable"                            },
3944     { EP_COLLECTIBLE,           "- collectible"                         },
3945     { EP_PUSHABLE,              "- pushable"                            },
3946     { EP_CAN_FALL,              "- can fall"                            },
3947     { EP_CAN_SMASH,             "- can smash other objects"             },
3948     { EP_CAN_MOVE,              "- can move"                            },
3949     { EP_SLIPPERY,              "- slippery for falling objects"        },
3950     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
3951     { EP_WALKABLE_OVER,         "- player can walk over it"             },
3952     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
3953     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
3954     { EP_PASSABLE_OVER,         "- player can pass over it"             },
3955     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
3956     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
3957
3958     /* pre-defined properties */
3959     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
3960     { EP_DONT_TOUCH,            "- deadly when touched"                 },
3961     { EP_ENEMY,                 "- can kill the player"                 },
3962     { EP_DONT_GO_TO,            "- deadly when walked to"               },
3963     { EP_CAN_EXPLODE,           "- can explode"                         },
3964     { EP_HAS_CONTENT,           "- can contain other elements"          },
3965
3966     { -1,                       NULL                                    }
3967   };
3968   char *filename = getElementDescriptionFilename(properties_element);
3969   char *percentage_text = "In this level:";
3970   char *properties_text = "Standard properties:";
3971   float percentage;
3972   int num_elements_in_level;
3973   int num_standard_properties = 0;
3974   int font1_nr = FONT_TEXT_1;
3975   int font2_nr = FONT_TEXT_2;
3976   int font1_width = getFontWidth(font1_nr);
3977   int font2_height = getFontHeight(font2_nr);
3978   int pad_x = ED_SETTINGS_XPOS;
3979   int pad_y = 5 * TILEY;
3980   int screen_line = 2;
3981   int i, x, y;
3982
3983   num_elements_in_level = 0;
3984   for (y=0; y<lev_fieldy; y++)
3985     for (x=0; x<lev_fieldx; x++)
3986       if (Feld[x][y] == properties_element)
3987         num_elements_in_level++;
3988   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
3989
3990   DrawTextF(pad_x, pad_y, font1_nr, percentage_text);
3991   DrawTextF(pad_x + strlen(percentage_text) * font1_width, pad_y,
3992             font2_nr, "%d (%.2f%%)", num_elements_in_level, percentage);
3993
3994   for (i=0; properties[i].value != -1; i++)
3995     if (HAS_PROPERTY(properties_element, properties[i].value))
3996       num_standard_properties++;
3997
3998 #if 1
3999   if (num_standard_properties > 0)
4000   {
4001     DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
4002               properties_text);
4003     screen_line++;
4004
4005     for (i=0; properties[i].value != -1; i++)
4006     {
4007       if (!HAS_PROPERTY(properties_element, properties[i].value))
4008         continue;
4009
4010       DrawTextF(pad_x, pad_y + screen_line * font2_height, font2_nr,
4011                 properties[i].text);
4012       screen_line++;
4013     }
4014
4015     screen_line++;
4016   }
4017 #endif
4018
4019   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
4020   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
4021     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
4022 }
4023
4024 static void DrawPropertiesAdvanced()
4025 {
4026   char infotext[MAX_OUTPUT_LINESIZE + 1];
4027   int max_infotext_len = getMaxInfoTextLength();
4028   int xoffset_right = getCounterGadgetWidth();
4029   int yoffset_right = ED_BORDER_SIZE;
4030   int xoffset_right2 = ED_CHECKBUTTON_XSIZE + 2 * ED_GADGET_DISTANCE;
4031   int yoffset_right2 = ED_BORDER_SIZE;
4032   int i, x, y;
4033
4034   /* draw stickybutton gadget */
4035   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4036   checkbutton_info[i].y = ED_COUNTER_YPOS2(4);
4037   x = checkbutton_info[i].x + xoffset_right2;
4038   y = checkbutton_info[i].y + yoffset_right2;
4039
4040   DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4041   ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4042                GDI_CHECKED, *checkbutton_info[i].value,
4043                GDI_Y, SY + checkbutton_info[i].y, GDI_END);
4044   MapCheckbuttonGadget(i);
4045
4046   /* draw counter gadgets */
4047   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
4048   {
4049     if (counterbutton_info[i].infotext_right)
4050     {
4051       x = counterbutton_info[i].x + xoffset_right;
4052       y = counterbutton_info[i].y + yoffset_right;
4053
4054       sprintf(infotext, "%s", counterbutton_info[i].infotext_right);
4055       infotext[max_infotext_len] = '\0';
4056       DrawTextF(x, y, FONT_TEXT_1, infotext);
4057     }
4058
4059     ModifyEditorCounter(i, *counterbutton_info[i].value);
4060     MapCounterButtons(i);
4061   }
4062
4063   /* draw checkbutton gadgets */
4064   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
4065        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
4066   {
4067     x = checkbutton_info[i].x + xoffset_right2;
4068     y = checkbutton_info[i].y + yoffset_right2;
4069
4070     DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[i].text);
4071     ModifyGadget(level_editor_gadget[checkbutton_info[i].gadget_id],
4072                  GDI_CHECKED, *checkbutton_info[i].value, GDI_END);
4073     MapCheckbuttonGadget(i);
4074   }
4075
4076   /* map gadget for optional graphic element */
4077   MapDrawingArea(GADGET_ID_CUSTOM_GRAPHIC);
4078
4079   DrawCustomChangedArea();
4080
4081   /* draw selectbox gadgets */
4082   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
4083   {
4084     int yoffset = ED_BORDER_SIZE;
4085
4086     x = selectbox_info[i].x;
4087     y = selectbox_info[i].y + yoffset;
4088
4089     DrawTextF(x, y, FONT_TEXT_1, selectbox_info[i].text);
4090 #if 1
4091     ModifyEditorSelectbox(i, *selectbox_info[i].value);
4092 #else
4093     ModifyGadget(level_editor_gadget[selectbox_info[i].gadget_id],
4094                  GDI_SELECTBOX_INDEX, *selectbox_info[i].index, GDI_END);
4095 #endif
4096     MapSelectboxGadget(i);
4097   }
4098 }
4099
4100 static void DrawPropertiesWindow()
4101 {
4102   int xstart = 2;
4103   int ystart = 4;
4104
4105   /* make sure that previous properties edit mode exists for this element */
4106   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
4107       !IS_CUSTOM_ELEMENT(properties_element))
4108     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
4109
4110   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
4111       !checkPropertiesConfig())
4112     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
4113
4114   if (IS_CUSTOM_ELEMENT(properties_element))
4115     CopyCustomElementPropertiesToEditor(properties_element);
4116
4117   UnmapLevelEditorWindowGadgets();
4118
4119   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4120   ClearWindow();
4121
4122   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS_YPOS,
4123            "Element Settings", FONT_TITLE_1);
4124
4125   DrawElementBorder(SX + xstart * MINI_TILEX,
4126                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4127                     TILEX, TILEY);
4128   DrawGraphicAnimationExt(drawto,
4129                           SX + xstart * MINI_TILEX,
4130                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4131                           el2img(properties_element), -1, NO_MASKING);
4132
4133   FrameCounter = 0;     /* restart animation frame counter */
4134
4135   DrawTextF((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
4136             FONT_TEXT_1, getElementInfoText(properties_element));
4137
4138   DrawPropertiesTabulatorGadgets();
4139
4140   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
4141     DrawPropertiesInfo();
4142   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
4143     DrawPropertiesConfig();
4144   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
4145     DrawPropertiesAdvanced();
4146 }
4147
4148 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
4149 {
4150   int lx = sx + level_xpos;
4151   int ly = sy + level_ypos;
4152
4153   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
4154
4155   if (change_level)
4156     Feld[lx][ly] = element;
4157 }
4158
4159 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
4160                      int element, boolean change_level)
4161 {
4162   if (from_y == to_y)                   /* horizontal line */
4163   {
4164     int x;
4165     int y = from_y;
4166
4167     if (from_x > to_x)
4168       swap_numbers(&from_x, &to_x);
4169
4170     for (x=from_x; x<=to_x; x++)
4171       DrawLineElement(x, y, element, change_level);
4172   }
4173   else if (from_x == to_x)              /* vertical line */
4174   {
4175     int x = from_x;
4176     int y;
4177
4178     if (from_y > to_y)
4179       swap_numbers(&from_y, &to_y);
4180
4181     for (y=from_y; y<=to_y; y++)
4182       DrawLineElement(x, y, element, change_level);
4183   }
4184   else                                  /* diagonal line */
4185   {
4186     int len_x = ABS(to_x - from_x);
4187     int len_y = ABS(to_y - from_y);
4188     int x, y;
4189
4190     if (len_y < len_x)                  /* a < 1 */
4191     {
4192       float a = (float)len_y / (float)len_x;
4193
4194       if (from_x > to_x)
4195         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4196
4197       for (x=0; x<=len_x; x++)
4198       {
4199         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
4200         DrawLineElement(from_x + x, from_y + y, element, change_level);
4201       }
4202     }
4203     else                                /* a >= 1 */
4204     {
4205       float a = (float)len_x / (float)len_y;
4206
4207       if (from_y > to_y)
4208         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4209
4210       for (y=0; y<=len_y; y++)
4211       {
4212         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
4213         DrawLineElement(from_x + x, from_y + y, element, change_level);
4214       }
4215     }
4216   }
4217 }
4218
4219 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
4220                     int element, boolean change_level)
4221 {
4222   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
4223   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
4224   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
4225   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
4226 }
4227
4228 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
4229                           int element, boolean change_level)
4230 {
4231   int y;
4232
4233   if (from_y > to_y)
4234     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4235
4236   for (y=from_y; y<=to_y; y++)
4237     DrawLine(from_x, y, to_x, y, element, change_level);
4238 }
4239
4240 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
4241                        int element, boolean change_level)
4242 {
4243   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
4244   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
4245   int len_x = ABS(to_x - from_x);
4246   int len_y = ABS(to_y - from_y);
4247   int radius, x, y;
4248
4249   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
4250
4251   /* not optimal (some points get drawn twice) but simple,
4252      and fast enough for the few points we are drawing */
4253
4254   for (x=0; x<=radius; x++)
4255   {
4256     int sx, sy, lx, ly;
4257
4258     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
4259
4260     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4261     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4262     lx = sx + level_xpos;
4263     ly = sy + level_ypos;
4264
4265     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4266       DrawLineElement(sx, sy, element, change_level);
4267   }
4268
4269   for (y=0; y<=radius; y++)
4270   {
4271     int sx, sy, lx, ly;
4272
4273     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
4274
4275     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4276     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4277     lx = sx + level_xpos;
4278     ly = sy + level_ypos;
4279
4280     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4281       DrawLineElement(sx, sy, element, change_level);
4282   }
4283 }
4284
4285 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
4286                     int element, boolean change_level)
4287 {
4288   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4289   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4290
4291   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4292 }
4293
4294 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
4295 #if DRAW_CIRCLES_BUTTON_AVAILABLE
4296 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
4297                        int element, boolean change_level)
4298 {
4299   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4300   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4301   int mirror_to_x2 = from_x - (to_x2 - from_x);
4302   int mirror_to_y2 = from_y - (to_y2 - from_y);
4303
4304   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4305   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
4306   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
4307   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
4308 }
4309 #endif
4310
4311 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
4312 {
4313   int from_sx, from_sy;
4314   int to_sx, to_sy;
4315
4316   if (from_x > to_x)
4317     swap_numbers(&from_x, &to_x);
4318
4319   if (from_y > to_y)
4320     swap_numbers(&from_y, &to_y);
4321
4322   from_sx = SX + from_x * MINI_TILEX;
4323   from_sy = SY + from_y * MINI_TILEY;
4324   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
4325   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
4326
4327   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
4328   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
4329   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
4330   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
4331
4332   if (from_x == to_x && from_y == to_y)
4333     MarkTileDirty(from_x/2, from_y/2);
4334   else
4335     redraw_mask |= REDRAW_FIELD;
4336 }
4337
4338 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
4339                        int element, boolean change_level)
4340 {
4341   if (element == -1 || change_level)
4342     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
4343   else
4344     DrawAreaBorder(from_x, from_y, to_x, to_y);
4345 }
4346
4347 /* values for CopyBrushExt() */
4348 #define CB_AREA_TO_BRUSH        0
4349 #define CB_BRUSH_TO_CURSOR      1
4350 #define CB_BRUSH_TO_LEVEL       2
4351 #define CB_DELETE_OLD_CURSOR    3
4352
4353 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
4354                          int button, int mode)
4355 {
4356   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
4357   static int brush_width, brush_height;
4358   static int last_cursor_x = -1, last_cursor_y = -1;
4359   static boolean delete_old_brush;
4360   int new_element = BUTTON_ELEMENT(button);
4361   int x, y;
4362
4363   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
4364     return;
4365
4366   if (mode == CB_AREA_TO_BRUSH)
4367   {
4368     int from_lx, from_ly;
4369
4370     if (from_x > to_x)
4371       swap_numbers(&from_x, &to_x);
4372
4373     if (from_y > to_y)
4374       swap_numbers(&from_y, &to_y);
4375
4376     brush_width = to_x - from_x + 1;
4377     brush_height = to_y - from_y + 1;
4378
4379     from_lx = from_x + level_xpos;
4380     from_ly = from_y + level_ypos;
4381
4382     for (y=0; y<brush_height; y++)
4383     {
4384       for (x=0; x<brush_width; x++)
4385       {
4386         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
4387
4388         if (button != 1)
4389           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
4390       }
4391     }
4392
4393     if (button != 1)
4394       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4395
4396     delete_old_brush = FALSE;
4397   }
4398   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
4399            mode == CB_BRUSH_TO_LEVEL)
4400   {
4401     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
4402     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
4403     int cursor_from_x = cursor_x - brush_width / 2;
4404     int cursor_from_y = cursor_y - brush_height / 2;
4405     int border_from_x = cursor_x, border_from_y = cursor_y;
4406     int border_to_x = cursor_x, border_to_y = cursor_y;
4407
4408     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
4409       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
4410
4411     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
4412         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
4413     {
4414       delete_old_brush = FALSE;
4415       return;
4416     }
4417
4418     for (y=0; y<brush_height; y++)
4419     {
4420       for (x=0; x<brush_width; x++)
4421       {
4422         int sx = cursor_from_x + x;
4423         int sy = cursor_from_y + y;
4424         int lx = sx + level_xpos;
4425         int ly = sy + level_ypos;
4426         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
4427         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
4428                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
4429                        brush_buffer[x][y] : new_element);
4430
4431         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4432         {
4433           if (sx < border_from_x)
4434             border_from_x = sx;
4435           else if (sx > border_to_x)
4436             border_to_x = sx;
4437           if (sy < border_from_y)
4438             border_from_y = sy;
4439           else if (sy > border_to_y)
4440             border_to_y = sy;
4441
4442           DrawLineElement(sx, sy, element, change_level);
4443         }
4444       }
4445     }
4446
4447     if (mode != CB_DELETE_OLD_CURSOR)
4448       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
4449
4450     last_cursor_x = cursor_x;
4451     last_cursor_y = cursor_y;
4452     delete_old_brush = TRUE;
4453   }
4454 }
4455
4456 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
4457                             int button)
4458 {
4459   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
4460 }
4461
4462 static void CopyBrushToLevel(int x, int y, int button)
4463 {
4464   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
4465 }
4466
4467 static void CopyBrushToCursor(int x, int y)
4468 {
4469   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
4470 }
4471
4472 static void DeleteBrushFromCursor()
4473 {
4474   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
4475 }
4476
4477 static void FloodFill(int from_x, int from_y, int fill_element)
4478 {
4479   int i,x,y;
4480   int old_element;
4481   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
4482   static int safety = 0;
4483
4484   /* check if starting field still has the desired content */
4485   if (Feld[from_x][from_y] == fill_element)
4486     return;
4487
4488   safety++;
4489
4490   if (safety > lev_fieldx*lev_fieldy)
4491     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
4492
4493   old_element = Feld[from_x][from_y];
4494   Feld[from_x][from_y] = fill_element;
4495
4496   for(i=0;i<4;i++)
4497   {
4498     x = from_x + check[i][0];
4499     y = from_y + check[i][1];
4500
4501     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
4502       FloodFill(x, y, fill_element);
4503   }
4504
4505   safety--;
4506 }
4507
4508 /* values for DrawLevelText() modes */
4509 #define TEXT_INIT               0
4510 #define TEXT_SETCURSOR          1
4511 #define TEXT_WRITECHAR          2
4512 #define TEXT_BACKSPACE          3
4513 #define TEXT_NEWLINE            4
4514 #define TEXT_END                5
4515 #define TEXT_QUERY_TYPING       6
4516
4517 static int DrawLevelText(int sx, int sy, char letter, int mode)
4518 {
4519   static short delete_buffer[MAX_LEV_FIELDX];
4520   static int start_sx, start_sy;
4521   static int last_sx, last_sy;
4522   static boolean typing = FALSE;
4523   int letter_element = EL_CHAR_ASCII0 + letter;
4524   int lx = 0, ly = 0;
4525
4526   /* map lower case letters to upper case and convert special characters */
4527   if (letter >= 'a' && letter <= 'z')
4528     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
4529   else if (letter == 'ä' || letter == 'Ä')
4530     letter_element = EL_CHAR_AUMLAUT;
4531   else if (letter == 'ö' || letter == 'Ö')
4532     letter_element = EL_CHAR_OUMLAUT;
4533   else if (letter == 'ü' || letter == 'Ü')
4534     letter_element = EL_CHAR_UUMLAUT;
4535   else if (letter == '^')
4536     letter_element = EL_CHAR_COPYRIGHT;
4537   else
4538     letter_element = EL_CHAR_ASCII0 + letter;
4539
4540   if (mode != TEXT_INIT)
4541   {
4542     if (!typing)
4543       return FALSE;
4544
4545     if (mode != TEXT_SETCURSOR)
4546     {
4547       sx = last_sx;
4548       sy = last_sy;
4549     }
4550
4551     lx = last_sx + level_xpos;
4552     ly = last_sy + level_ypos;
4553   }
4554
4555   switch (mode)
4556   {
4557     case TEXT_INIT:
4558       if (typing)
4559         DrawLevelText(0, 0, 0, TEXT_END);
4560
4561       typing = TRUE;
4562       start_sx = last_sx = sx;
4563       start_sy = last_sy = sy;
4564       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
4565       break;
4566
4567     case TEXT_SETCURSOR:
4568       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
4569       DrawAreaBorder(sx, sy, sx, sy);
4570       last_sx = sx;
4571       last_sy = sy;
4572       break;
4573
4574     case TEXT_WRITECHAR:
4575       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
4576       {
4577         delete_buffer[sx - start_sx] = Feld[lx][ly];
4578         Feld[lx][ly] = letter_element;
4579
4580         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
4581           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
4582         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
4583           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
4584         else
4585           DrawLevelText(0, 0, 0, TEXT_END);
4586       }
4587       break;
4588
4589     case TEXT_BACKSPACE:
4590       if (sx > start_sx)
4591       {
4592         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
4593         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
4594         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
4595       }
4596       break;
4597
4598     case TEXT_NEWLINE:
4599       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
4600         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
4601       else
4602         DrawLevelText(0, 0, 0, TEXT_END);
4603       break;
4604
4605     case TEXT_END:
4606       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4607       DrawMiniElement(sx, sy, Feld[lx][ly]);
4608       typing = FALSE;
4609       break;
4610
4611     case TEXT_QUERY_TYPING:
4612       break;
4613
4614     default:
4615       break;
4616   }
4617
4618   return typing;
4619 }
4620
4621 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
4622                           int element, boolean change_level)
4623 {
4624   int lx = sx + level_xpos;
4625   int ly = sy + level_ypos;
4626
4627   if (element == -1)
4628     DrawMiniElement(sx, sy, Feld[lx][ly]);
4629   else
4630     DrawAreaBorder(sx, sy, sx, sy);
4631 }
4632
4633 static void CopyLevelToUndoBuffer(int mode)
4634 {
4635   static boolean accumulated_undo = FALSE;
4636   boolean new_undo_buffer_position = TRUE;
4637   int last_border_element;
4638   int x, y;
4639
4640   switch (mode)
4641   {
4642     case UNDO_IMMEDIATE:
4643       accumulated_undo = FALSE;
4644       break;
4645
4646     case UNDO_ACCUMULATE:
4647       if (accumulated_undo)
4648         new_undo_buffer_position = FALSE;
4649       accumulated_undo = TRUE;
4650       break;
4651
4652     default:
4653       break;
4654   }
4655
4656   if (new_undo_buffer_position)
4657   {
4658     /* new position in undo buffer ring */
4659     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
4660
4661     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
4662       undo_buffer_steps++;
4663   }
4664
4665   for(x=0; x<lev_fieldx; x++)
4666     for(y=0; y<lev_fieldy; y++)
4667       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
4668
4669   /* check if drawing operation forces change of border style */
4670   last_border_element = BorderElement;
4671   SetBorderElement();
4672   if (BorderElement != last_border_element)
4673     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4674
4675 #if 0
4676 #ifdef DEBUG
4677   printf("level saved to undo buffer\n");
4678 #endif
4679 #endif
4680 }
4681
4682 static void RandomPlacement(int new_element)
4683 {
4684   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4685   int num_free_positions;
4686   int num_percentage;
4687   int num_elements;
4688   int x, y;
4689
4690   /* determine number of free positions for the new elements */
4691   /* (maybe this statement should be formatted a bit more readable...) */
4692   num_free_positions = 0;
4693   for (x=0; x<lev_fieldx; x++)
4694     for (y=0; y<lev_fieldy; y++)
4695       if ((free_position[x][y] =
4696            ((random_placement_background_restricted &&
4697              Feld[x][y] == random_placement_background_element) ||
4698             (!random_placement_background_restricted &&
4699              Feld[x][y] != new_element))) == TRUE)
4700         num_free_positions++;
4701
4702   /* determine number of new elements to place there */
4703   num_percentage = num_free_positions * random_placement_value / 100;
4704   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
4705                   num_percentage : random_placement_value);
4706
4707   /* if not more free positions than elements to place, fill whole level */
4708   if (num_elements >= num_free_positions)
4709   {
4710     for (x=0; x<lev_fieldx; x++)
4711       for (y=0; y<lev_fieldy; y++)
4712         Feld[x][y] = new_element;
4713
4714     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4715     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4716     return;
4717   }
4718
4719   while (num_elements > 0)
4720   {
4721     x = RND(lev_fieldx);
4722     y = RND(lev_fieldy);
4723
4724     /* don't place element at the same position twice */
4725     if (free_position[x][y])
4726     {
4727       free_position[x][y] = FALSE;
4728       Feld[x][y] = new_element;
4729       num_elements--;
4730     }
4731   }
4732
4733   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4734   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4735 }
4736
4737 void WrapLevel(int dx, int dy)
4738 {
4739   int wrap_dx = lev_fieldx - dx;
4740   int wrap_dy = lev_fieldy - dy;
4741   int x, y;
4742
4743   for(x=0; x<lev_fieldx; x++)
4744     for(y=0; y<lev_fieldy; y++)
4745       FieldBackup[x][y] = Feld[x][y];
4746
4747   for(x=0; x<lev_fieldx; x++)
4748     for(y=0; y<lev_fieldy; y++)
4749       Feld[x][y] =
4750         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
4751
4752   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4753   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
4754 }
4755
4756 static void HandleDrawingAreas(struct GadgetInfo *gi)
4757 {
4758   static boolean started_inside_drawing_area = FALSE;
4759   int id = gi->custom_id;
4760   boolean button_press_event;
4761   boolean button_release_event;
4762   boolean inside_drawing_area = !gi->event.off_borders;
4763   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
4764   int actual_drawing_function;
4765   int button = gi->event.button;
4766   int new_element = BUTTON_ELEMENT(button);
4767   int sx = gi->event.x, sy = gi->event.y;
4768   int min_sx = 0, min_sy = 0;
4769   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
4770   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
4771   int lx = 0, ly = 0;
4772   int min_lx = 0, min_ly = 0;
4773   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
4774   int x, y;
4775
4776   /* handle info callback for each invocation of action callback */
4777   gi->callback_info(gi);
4778
4779   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
4780   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
4781
4782   /* make sure to stay inside drawing area boundaries */
4783   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
4784   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
4785
4786   if (draw_level)
4787   {
4788     /* get positions inside level field */
4789     lx = sx + level_xpos;
4790     ly = sy + level_ypos;
4791
4792     if (!IN_LEV_FIELD(lx, ly))
4793       inside_drawing_area = FALSE;
4794
4795     /* make sure to stay inside level field boundaries */
4796     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
4797     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
4798
4799     /* correct drawing area positions accordingly */
4800     sx = lx - level_xpos;
4801     sy = ly - level_ypos;
4802   }
4803
4804   if (button_press_event)
4805     started_inside_drawing_area = inside_drawing_area;
4806
4807   if (!started_inside_drawing_area)
4808     return;
4809
4810   if (!button && !button_release_event)
4811     return;
4812
4813   /* automatically switch to 'single item' drawing mode, if needed */
4814   actual_drawing_function =
4815     (draw_level ? drawing_function : GADGET_ID_SINGLE_ITEMS);
4816
4817   switch (actual_drawing_function)
4818   {
4819     case GADGET_ID_SINGLE_ITEMS:
4820       if (draw_level)
4821       {
4822         if (button_release_event)
4823         {
4824           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4825
4826           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
4827               !inside_drawing_area)
4828             DeleteBrushFromCursor();
4829         }
4830
4831         if (!button)
4832           break;
4833
4834         if (draw_with_brush)
4835         {
4836           if (!button_release_event)
4837             CopyBrushToLevel(sx, sy, button);
4838         }
4839         else if (new_element != Feld[lx][ly])
4840         {
4841           if (new_element == EL_PLAYER_1)
4842           {
4843             /* remove player at old position */
4844             for(y=0; y<lev_fieldy; y++)
4845             {
4846               for(x=0; x<lev_fieldx; x++)
4847               {
4848                 if (Feld[x][y] == EL_PLAYER_1)
4849                 {
4850                   Feld[x][y] = EL_EMPTY;
4851                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
4852                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
4853                     DrawMiniElement(x - level_xpos, y - level_ypos,
4854                                     EL_EMPTY);
4855                 }
4856               }
4857             }
4858           }
4859
4860           Feld[lx][ly] = new_element;
4861           DrawMiniElement(sx, sy, new_element);
4862         }
4863       }
4864       else
4865       {
4866         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
4867           DrawMiniGraphicExt(drawto,
4868                              gi->x + sx * MINI_TILEX,
4869                              gi->y + sy * MINI_TILEY,
4870                              el2edimg(new_element));
4871         else
4872           DrawGraphicExt(drawto,
4873                          gi->x + sx * TILEX,
4874                          gi->y + sy * TILEY,
4875                          el2img(new_element), 0);
4876
4877         if (id == GADGET_ID_AMOEBA_CONTENT)
4878           level.amoeba_content = new_element;
4879         else if (id == GADGET_ID_CUSTOM_GRAPHIC &&
4880                  IS_CUSTOM_ELEMENT(properties_element))
4881         {
4882           int i = properties_element - EL_CUSTOM_START;
4883
4884           if (IS_CUSTOM_ELEMENT(new_element))
4885             new_element = CUSTOM_ELEMENT_INFO(new_element).change.gfx_element;
4886
4887           custom_element_change.gfx_element = new_element;
4888           level.custom_element[i].change = custom_element_change;
4889
4890           ModifyEditorElementList();
4891
4892           FrameCounter = 0;     /* restart animation frame counter */
4893         }
4894         else if (id == GADGET_ID_CUSTOM_CHANGED &&
4895                  IS_CUSTOM_ELEMENT(properties_element))
4896         {
4897           int i = properties_element - EL_CUSTOM_START;
4898
4899           custom_element_change.successor = new_element;
4900           level.custom_element[i].change = custom_element_change;
4901         }
4902         else if (id == GADGET_ID_RANDOM_BACKGROUND)
4903           random_placement_background_element = new_element;
4904         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
4905                  id <= GADGET_ID_ELEMENT_CONTENT_7)
4906           level.yam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
4907             new_element;
4908       }
4909       break;
4910
4911     case GADGET_ID_CONNECTED_ITEMS:
4912       {
4913         static int last_sx = -1;
4914         static int last_sy = -1;
4915
4916         if (button_release_event)
4917           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4918
4919         if (button)
4920         {
4921           if (!button_press_event)
4922             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
4923
4924           last_sx = sx;
4925           last_sy = sy;
4926         }
4927       }
4928       break;
4929
4930     case GADGET_ID_LINE:
4931     case GADGET_ID_ARC:
4932     case GADGET_ID_RECTANGLE:
4933     case GADGET_ID_FILLED_BOX:
4934     case GADGET_ID_GRAB_BRUSH:
4935     case GADGET_ID_TEXT:
4936       {
4937         static int last_sx = -1;
4938         static int last_sy = -1;
4939         static int start_sx = -1;
4940         static int start_sy = -1;
4941         void (*draw_func)(int, int, int, int, int, boolean);
4942
4943         if (drawing_function == GADGET_ID_LINE)
4944           draw_func = DrawLine;
4945         else if (drawing_function == GADGET_ID_ARC)
4946           draw_func = DrawArc;
4947         else if (drawing_function == GADGET_ID_RECTANGLE)
4948           draw_func = DrawBox;
4949         else if (drawing_function == GADGET_ID_FILLED_BOX)
4950           draw_func = DrawFilledBox;
4951         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
4952           draw_func = SelectArea;
4953         else /* (drawing_function == GADGET_ID_TEXT) */
4954           draw_func = SetTextCursor;
4955
4956         if (button_press_event)
4957         {
4958           draw_func(sx, sy, sx, sy, new_element, FALSE);
4959           start_sx = last_sx = sx;
4960           start_sy = last_sy = sy;
4961
4962           if (drawing_function == GADGET_ID_TEXT)
4963             DrawLevelText(0, 0, 0, TEXT_END);
4964         }
4965         else if (button_release_event)
4966         {
4967           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
4968           if (drawing_function == GADGET_ID_GRAB_BRUSH)
4969           {
4970             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
4971             CopyBrushToCursor(sx, sy);
4972             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
4973                           MB_LEFTBUTTON);
4974             draw_with_brush = TRUE;
4975           }
4976           else if (drawing_function == GADGET_ID_TEXT)
4977             DrawLevelText(sx, sy, 0, TEXT_INIT);
4978           else
4979             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4980         }
4981         else if (last_sx != sx || last_sy != sy)
4982         {
4983           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
4984           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
4985           last_sx = sx;
4986           last_sy = sy;
4987         }
4988       }
4989       break;
4990
4991     case GADGET_ID_FLOOD_FILL:
4992       if (button_press_event && Feld[lx][ly] != new_element)
4993       {
4994         FloodFill(lx, ly, new_element);
4995         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4996         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4997       }
4998       break;
4999
5000     case GADGET_ID_PICK_ELEMENT:
5001       if (button_release_event)
5002         ClickOnGadget(level_editor_gadget[last_drawing_function],
5003                       MB_LEFTBUTTON);
5004       else
5005         PickDrawingElement(button, Feld[lx][ly]);
5006
5007       break;
5008
5009     default:
5010       break;
5011   }
5012 }
5013
5014 static void HandleCounterButtons(struct GadgetInfo *gi)
5015 {
5016   int gadget_id = gi->custom_id;
5017   int counter_id = gi->custom_type_id;
5018   int button = gi->event.button;
5019   int *counter_value = counterbutton_info[counter_id].value;
5020   int step = BUTTON_STEPSIZE(button) *
5021     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
5022
5023   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
5024   {
5025     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
5026     boolean released = (gi->event.type == GD_EVENT_RELEASED);
5027     boolean level_changed = LevelChanged();
5028
5029     if ((level_changed && pressed) || (!level_changed && released))
5030       return;
5031
5032     if (level_changed && !Request("Level has changed! Discard changes ?",
5033                                   REQ_ASK))
5034     {
5035       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5036         ModifyEditorCounter(counter_id, *counter_value);
5037       return;
5038     }
5039   }
5040
5041   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5042     *counter_value = gi->text.number_value;
5043   else
5044     ModifyEditorCounter(counter_id, *counter_value + step);
5045
5046   switch (counter_id)
5047   {
5048     case ED_COUNTER_ID_ELEMENT_CONTENT:
5049       DrawElementContentAreas();
5050       break;
5051
5052     case ED_COUNTER_ID_LEVEL_XSIZE:
5053     case ED_COUNTER_ID_LEVEL_YSIZE:
5054       lev_fieldx = level.fieldx;
5055       lev_fieldy = level.fieldy;
5056       break;
5057
5058     case ED_COUNTER_ID_SELECT_LEVEL:
5059       LoadLevel(level_nr);
5060       TapeErase();
5061       ResetUndoBuffer();
5062       DrawEditModeWindow();
5063       break;
5064
5065     default:
5066       break;
5067   }
5068
5069   if (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
5070       counter_id <= ED_COUNTER_ID_CHANGE_LAST)
5071     CopyCustomElementPropertiesToGame(properties_element);
5072 }
5073
5074 static void HandleTextInputGadgets(struct GadgetInfo *gi)
5075 {
5076   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
5077 }
5078
5079 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
5080 {
5081   int type_id = gi->custom_type_id;
5082
5083   *selectbox_info[type_id].index = gi->selectbox.index;
5084   *selectbox_info[type_id].value =
5085     selectbox_info[type_id].options[gi->selectbox.index].value;
5086
5087   if (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
5088       type_id <= ED_SELECTBOX_ID_CHANGE_LAST)
5089     CopyCustomElementPropertiesToGame(properties_element);
5090
5091 #if 0
5092   printf("Selected text value: '%s' [%d]\n",
5093          selectbox_info[type_id].options[gi->selectbox.index].text,
5094          selectbox_info[type_id].options[gi->selectbox.index].value);
5095 #endif
5096 }
5097
5098 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
5099 {
5100   if (gi->custom_type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
5101       gi->custom_type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
5102   {
5103     edit_mode_properties = gi->custom_type_id;
5104
5105     DrawPropertiesWindow();
5106   }
5107 }
5108
5109 static void HandleRadiobuttons(struct GadgetInfo *gi)
5110 {
5111   *radiobutton_info[gi->custom_type_id].value =
5112     radiobutton_info[gi->custom_type_id].checked_value;
5113 }
5114
5115 static void HandleCheckbuttons(struct GadgetInfo *gi)
5116 {
5117   int type_id = gi->custom_type_id;
5118
5119   *checkbutton_info[type_id].value ^= TRUE;
5120
5121   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
5122        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
5123       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
5124        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST))
5125     CopyCustomElementPropertiesToGame(properties_element);
5126 }
5127
5128 static void HandleControlButtons(struct GadgetInfo *gi)
5129 {
5130   int id = gi->custom_id;
5131   int button = gi->event.button;
5132   int step = BUTTON_STEPSIZE(button);
5133   int new_element = BUTTON_ELEMENT(button);
5134   int x, y;
5135
5136   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
5137     DrawLevelText(0, 0, 0, TEXT_END);
5138
5139   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
5140       edit_mode != ED_MODE_DRAWING)
5141   {
5142     DrawDrawingWindow();
5143     edit_mode = ED_MODE_DRAWING;
5144   }
5145
5146   switch (id)
5147   {
5148     case GADGET_ID_SCROLL_LEFT:
5149       if (level_xpos >= 0)
5150       {
5151         if (lev_fieldx < ed_fieldx - 2)
5152           break;
5153
5154         level_xpos -= step;
5155         if (level_xpos < -1)
5156           level_xpos = -1;
5157         if (button == 1)
5158           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
5159         else
5160           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5161
5162         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5163                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5164       }
5165       break;
5166
5167     case GADGET_ID_SCROLL_RIGHT:
5168       if (level_xpos <= lev_fieldx - ed_fieldx)
5169       {
5170         if (lev_fieldx < ed_fieldx - 2)
5171           break;
5172
5173         level_xpos += step;
5174         if (level_xpos > lev_fieldx - ed_fieldx + 1)
5175           level_xpos = lev_fieldx - ed_fieldx + 1;
5176         if (button == 1)
5177           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
5178         else
5179           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5180
5181         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5182                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5183       }
5184       break;
5185
5186     case GADGET_ID_SCROLL_UP:
5187       if (level_ypos >= 0)
5188       {
5189         if (lev_fieldy < ed_fieldy - 2)
5190           break;
5191
5192         level_ypos -= step;
5193         if (level_ypos < -1)
5194           level_ypos = -1;
5195         if (button == 1)
5196           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
5197         else
5198           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5199
5200         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5201                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5202       }
5203       break;
5204
5205     case GADGET_ID_SCROLL_DOWN:
5206       if (level_ypos <= lev_fieldy - ed_fieldy)
5207       {
5208         if (lev_fieldy < ed_fieldy - 2)
5209           break;
5210
5211         level_ypos += step;
5212         if (level_ypos > lev_fieldy - ed_fieldy + 1)
5213           level_ypos = lev_fieldy - ed_fieldy + 1;
5214         if (button == 1)
5215           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
5216         else
5217           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5218
5219         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5220                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5221       }
5222       break;
5223
5224     case GADGET_ID_SCROLL_HORIZONTAL:
5225       level_xpos = gi->event.item_position - 1;
5226       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5227       break;
5228
5229     case GADGET_ID_SCROLL_VERTICAL:
5230       level_ypos = gi->event.item_position - 1;
5231       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5232       break;
5233
5234     case GADGET_ID_SCROLL_LIST_UP:
5235     case GADGET_ID_SCROLL_LIST_DOWN:
5236     case GADGET_ID_SCROLL_LIST_VERTICAL:
5237       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
5238         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
5239       else
5240       {
5241         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
5242         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
5243
5244         if (element_shift < 0)
5245           element_shift = 0;
5246         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
5247           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
5248
5249         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
5250                      GDI_SCROLLBAR_ITEM_POSITION,
5251                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
5252       }
5253
5254       ModifyEditorElementList();
5255
5256       break;
5257
5258     case GADGET_ID_WRAP_LEFT:
5259       WrapLevel(-step, 0);
5260       break;
5261
5262     case GADGET_ID_WRAP_RIGHT:
5263       WrapLevel(step, 0);
5264       break;
5265
5266     case GADGET_ID_WRAP_UP:
5267       WrapLevel(0, -step);
5268       break;
5269
5270     case GADGET_ID_WRAP_DOWN:
5271       WrapLevel(0, step);
5272       break;
5273
5274     case GADGET_ID_SINGLE_ITEMS:
5275     case GADGET_ID_CONNECTED_ITEMS:
5276     case GADGET_ID_LINE:
5277     case GADGET_ID_ARC:
5278     case GADGET_ID_TEXT:
5279     case GADGET_ID_RECTANGLE:
5280     case GADGET_ID_FILLED_BOX:
5281     case GADGET_ID_FLOOD_FILL:
5282     case GADGET_ID_GRAB_BRUSH:
5283     case GADGET_ID_PICK_ELEMENT:
5284       if (drawing_function != GADGET_ID_PICK_ELEMENT)
5285         last_drawing_function = drawing_function;
5286       drawing_function = id;
5287       draw_with_brush = FALSE;
5288       break;
5289
5290     case GADGET_ID_RANDOM_PLACEMENT:
5291       RandomPlacement(new_element);
5292       break;
5293
5294     case GADGET_ID_PROPERTIES:
5295       if (edit_mode != ED_MODE_PROPERTIES)
5296       {
5297         properties_element = new_element;
5298         DrawPropertiesWindow();
5299         edit_mode = ED_MODE_PROPERTIES;
5300       }
5301       else
5302       {
5303         DrawDrawingWindow();
5304         edit_mode = ED_MODE_DRAWING;
5305       }
5306       break;
5307
5308     case GADGET_ID_UNDO:
5309       if (undo_buffer_steps == 0)
5310       {
5311         Request("Undo buffer empty !", REQ_CONFIRM);
5312         break;
5313       }
5314
5315       undo_buffer_position =
5316         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
5317       undo_buffer_steps--;
5318
5319       for(x=0; x<lev_fieldx; x++)
5320         for(y=0; y<lev_fieldy; y++)
5321           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
5322       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
5323       break;
5324
5325     case GADGET_ID_INFO:
5326       if (edit_mode != ED_MODE_INFO)
5327       {
5328         DrawLevelInfoWindow();
5329         edit_mode = ED_MODE_INFO;
5330       }
5331       else
5332       {
5333         DrawDrawingWindow();
5334         edit_mode = ED_MODE_DRAWING;
5335       }
5336       break;
5337
5338     case GADGET_ID_CLEAR:
5339       for(x=0; x<MAX_LEV_FIELDX; x++)
5340         for(y=0; y<MAX_LEV_FIELDY; y++)
5341           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
5342       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
5343
5344       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5345       break;
5346
5347     case GADGET_ID_SAVE:
5348       if (leveldir_current->readonly)
5349       {
5350         Request("This level is read only !", REQ_CONFIRM);
5351         break;
5352       }
5353
5354       if (!LevelContainsPlayer)
5355         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5356       else
5357       {
5358         if (Request("Save this level and kill the old ?", REQ_ASK))
5359         {
5360           CopyPlayfield(Feld, Ur);
5361
5362           SaveLevel(level_nr);
5363         }
5364       }
5365       break;
5366
5367     case GADGET_ID_TEST:
5368       if (!LevelContainsPlayer)
5369         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5370       else
5371       {
5372         if (LevelChanged())
5373           level.game_version = GAME_VERSION_ACTUAL;
5374
5375         CopyPlayfield(Ur, FieldBackup);
5376         CopyPlayfield(Feld, Ur);
5377
5378         UnmapLevelEditorGadgets();
5379         UndrawSpecialEditorDoor();
5380
5381         CloseDoor(DOOR_CLOSE_ALL);
5382
5383         DrawCompleteVideoDisplay();
5384
5385         if (setup.autorecord)
5386           TapeStartRecording();
5387
5388         level_editor_test_game = TRUE;
5389         game_status = GAME_MODE_PLAYING;
5390
5391         InitGame();
5392       }
5393       break;
5394
5395     case GADGET_ID_EXIT:
5396       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
5397       break;
5398
5399     default:
5400       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
5401           id <= GADGET_ID_ELEMENTLIST_LAST)
5402       {
5403         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
5404         int new_element = editor_elements[element_position + element_shift];
5405
5406         PickDrawingElement(button, new_element);
5407
5408 #if 1
5409         if (!stick_element_properties_window)
5410 #else
5411         if (!HAS_CONTENT(properties_element) ||
5412             !stick_element_properties_window)
5413 #endif
5414         {
5415           properties_element = new_element;
5416           if (edit_mode == ED_MODE_PROPERTIES)
5417             DrawPropertiesWindow();
5418         }
5419
5420         if (drawing_function == GADGET_ID_PICK_ELEMENT)
5421           ClickOnGadget(level_editor_gadget[last_drawing_function],
5422                         MB_LEFTBUTTON);
5423       }
5424 #ifdef DEBUG
5425       else if (gi->event.type == GD_EVENT_PRESSED)
5426         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
5427       else if (gi->event.type == GD_EVENT_RELEASED)
5428         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
5429       else if (gi->event.type == GD_EVENT_MOVING)
5430         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
5431       else
5432         printf("default: HandleControlButtons: ? (id == %d)\n", id);
5433 #endif
5434       break;
5435   }
5436 }
5437
5438 void HandleLevelEditorKeyInput(Key key)
5439 {
5440   char letter = getCharFromKey(key);
5441   int button = MB_LEFTBUTTON;
5442
5443   if (drawing_function == GADGET_ID_TEXT &&
5444       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
5445   {
5446     if (letter)
5447       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
5448     else if (key == KSYM_Delete || key == KSYM_BackSpace)
5449       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
5450     else if (key == KSYM_Return)
5451       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
5452     else if (key == KSYM_Escape)
5453       DrawLevelText(0, 0, 0, TEXT_END);
5454   }
5455   else if (button_status == MB_RELEASED)
5456   {
5457     int i, id = GADGET_ID_NONE;
5458
5459     switch (key)
5460     {
5461       case KSYM_Left:
5462         id = GADGET_ID_SCROLL_LEFT;
5463         break;
5464       case KSYM_Right:
5465         id = GADGET_ID_SCROLL_RIGHT;
5466         break;
5467       case KSYM_Up:
5468         id = GADGET_ID_SCROLL_UP;
5469         break;
5470       case KSYM_Down:
5471         id = GADGET_ID_SCROLL_DOWN;
5472         break;
5473       case KSYM_Page_Up:
5474         id = GADGET_ID_SCROLL_LIST_UP;
5475         button = MB_RIGHTBUTTON;
5476         break;
5477       case KSYM_Page_Down:
5478         id = GADGET_ID_SCROLL_LIST_DOWN;
5479         button = MB_RIGHTBUTTON;
5480         break;
5481
5482       case KSYM_Escape:
5483         if (edit_mode == ED_MODE_DRAWING)
5484         {
5485           RequestExitLevelEditor(setup.ask_on_escape);
5486         }
5487         else
5488         {
5489           DrawDrawingWindow();
5490           edit_mode = ED_MODE_DRAWING;
5491         }
5492         break;
5493
5494       default:
5495         break;
5496     }
5497
5498     if (id != GADGET_ID_NONE)
5499       ClickOnGadget(level_editor_gadget[id], button);
5500     else if (letter == '.')
5501       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
5502     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
5503       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
5504     else
5505       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
5506         if (letter && letter == control_info[i].shortcut)
5507           if (!anyTextGadgetActive())
5508             ClickOnGadget(level_editor_gadget[i], button);
5509   }
5510 }
5511
5512 void HandleLevelEditorIdle()
5513 {
5514   static unsigned long action_delay = 0;
5515   unsigned long action_delay_value = GameFrameDelay;
5516   int xpos = 1, ypos = 2;
5517
5518   if (edit_mode != ED_MODE_PROPERTIES)
5519     return;
5520
5521   if (!DelayReached(&action_delay, action_delay_value))
5522     return;
5523
5524   DrawGraphicAnimationExt(drawto,
5525                           SX + xpos * TILEX,
5526                           SY + ypos * TILEY + MINI_TILEY / 2,
5527                           el2img(properties_element), -1, NO_MASKING);
5528
5529   MarkTileDirty(xpos, ypos);
5530   MarkTileDirty(xpos, ypos + 1);
5531
5532   FrameCounter++;       /* increase animation frame counter */
5533 }
5534
5535 void ClearEditorGadgetInfoText()
5536 {
5537   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
5538 }
5539
5540 void HandleEditorGadgetInfoText(void *ptr)
5541 {
5542   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
5543   char infotext[MAX_OUTPUT_LINESIZE + 1];
5544   char shortcut[MAX_OUTPUT_LINESIZE + 1];
5545   int max_infotext_len = getMaxInfoTextLength();
5546
5547   if (game_status != GAME_MODE_EDITOR)
5548     return;
5549
5550   ClearEditorGadgetInfoText();
5551
5552   if (gi->event.type == GD_EVENT_INFO_LEAVING)
5553     return;
5554
5555   /* misuse this function to delete brush cursor, if needed */
5556   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
5557     DeleteBrushFromCursor();
5558
5559   if (gi == NULL || gi->info_text == NULL)
5560     return;
5561
5562   strncpy(infotext, gi->info_text, max_infotext_len);
5563   infotext[max_infotext_len] = '\0';
5564
5565   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
5566   {
5567     int key = control_info[gi->custom_id].shortcut;
5568
5569     if (key)
5570     {
5571       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
5572         sprintf(shortcut, " ('.' or '%c')", key);
5573       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
5574         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
5575       else                                              /* normal case */
5576         sprintf(shortcut, " ('%s%c')",
5577                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
5578
5579       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
5580         strcat(infotext, shortcut);
5581     }
5582   }
5583
5584   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
5585 }
5586
5587 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
5588 {
5589   static int start_lx, start_ly;
5590   char *infotext;
5591   int id = gi->custom_id;
5592   int sx = gi->event.x;
5593   int sy = gi->event.y;
5594   int lx = sx + level_xpos;
5595   int ly = sy + level_ypos;
5596   int min_sx = 0, min_sy = 0;
5597   int max_sx = gi->drawing.area_xsize - 1;
5598   int max_sy = gi->drawing.area_ysize - 1;
5599
5600   ClearEditorGadgetInfoText();
5601
5602   if (gi->event.type == GD_EVENT_INFO_LEAVING)
5603     return;
5604
5605   /* make sure to stay inside drawing area boundaries */
5606   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
5607   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
5608
5609   if (id == GADGET_ID_DRAWING_LEVEL)
5610   {
5611     if (button_status)
5612     {
5613       int min_lx = 0, min_ly = 0;
5614       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
5615
5616       /* get positions inside level field */
5617       lx = sx + level_xpos;
5618       ly = sy + level_ypos;
5619
5620       /* make sure to stay inside level field boundaries */
5621       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5622       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5623
5624       /* correct drawing area positions accordingly */
5625       sx = lx - level_xpos;
5626       sy = ly - level_ypos;
5627     }
5628
5629     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
5630     {
5631       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
5632       {
5633         if (gi->event.type == GD_EVENT_PRESSED)
5634         {
5635           start_lx = lx;
5636           start_ly = ly;
5637         }
5638
5639         switch (drawing_function)
5640         {
5641           case GADGET_ID_SINGLE_ITEMS:
5642             infotext = "Drawing single items";
5643             break;
5644           case GADGET_ID_CONNECTED_ITEMS:
5645             infotext = "Drawing connected items";
5646             break;
5647           case GADGET_ID_LINE:
5648             infotext = "Drawing line";
5649             break;
5650           case GADGET_ID_ARC:
5651             infotext = "Drawing arc";
5652             break;
5653           case GADGET_ID_TEXT:
5654             infotext = "Setting text cursor";
5655             break;
5656           case GADGET_ID_RECTANGLE:
5657             infotext = "Drawing rectangle";
5658             break;
5659           case GADGET_ID_FILLED_BOX:
5660             infotext = "Drawing filled box";
5661             break;
5662           case GADGET_ID_FLOOD_FILL:
5663             infotext = "Flood fill";
5664             break;
5665           case GADGET_ID_GRAB_BRUSH:
5666             infotext = "Grabbing brush";
5667             break;
5668           case GADGET_ID_PICK_ELEMENT:
5669             infotext = "Picking element";
5670             break;
5671
5672           default:
5673             infotext = "Drawing position";
5674             break;
5675         }
5676
5677         if (drawing_function == GADGET_ID_PICK_ELEMENT)
5678           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5679                     "%s: %d, %d", infotext, lx, ly);
5680         else
5681           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5682                     "%s: %d, %d", infotext,
5683                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
5684       }
5685       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
5686         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5687                   "%s", getElementInfoText(Feld[lx][ly]));
5688       else
5689         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5690                   "Level position: %d, %d", lx, ly);
5691     }
5692
5693     /* misuse this function to draw brush cursor, if needed */
5694     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
5695     {
5696       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5697         CopyBrushToCursor(sx, sy);
5698       else
5699         DeleteBrushFromCursor();
5700     }
5701   }
5702   else if (id == GADGET_ID_AMOEBA_CONTENT)
5703     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5704               "Amoeba content");
5705   else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5706     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5707               "Optional custom graphic element");
5708   else if (id == GADGET_ID_CUSTOM_CHANGED)
5709     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5710               "New element after change");
5711   else if (id == GADGET_ID_RANDOM_BACKGROUND)
5712     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5713               "Random placement background");
5714   else
5715     DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5716               "Content area %d position: %d, %d",
5717               id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
5718 }
5719
5720 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
5721 {
5722   if (!ask_if_level_has_changed ||
5723       !LevelChanged() ||
5724       Request("Level has changed! Exit without saving ?",
5725               REQ_ASK | REQ_STAY_OPEN))
5726   {
5727     CloseDoor(DOOR_CLOSE_1);
5728     /*
5729     CloseDoor(DOOR_CLOSE_ALL);
5730     */
5731     game_status = GAME_MODE_MAIN;
5732     DrawMainMenu();
5733   }
5734   else
5735   {
5736     CloseDoor(DOOR_CLOSE_1);
5737     BlitBitmap(bitmap_db_door, bitmap_db_door,
5738                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
5739                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
5740     OpenDoor(DOOR_OPEN_1);
5741   }
5742 }