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 /* standard distances */
  71 #define ED_BORDER_SIZE                  3
  72 #define ED_BORDER2_SIZE                 5
  73 #define ED_GADGET_DISTANCE              2
  74 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
  75
  76 /* values for the setting windows */
  77 #define ED_SETTINGS_XSTART              (3 * MINI_TILEX / 2)
  78 #define ED_SETTINGS_YSTART              (MINI_TILEY * 10)
  79
  80 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE + \
  81                                          2 * ED_GADGET_DISTANCE)
  82
  83 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
  84 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
  85
  86 #define ED_SETTINGS_XPOS(n)             (ED_SETTINGS_XSTART + \
  87                                          n * ED_SETTINGS_XOFFSET)
  88 #define ED_SETTINGS_YPOS(n)             (ED_SETTINGS_YSTART + \
  89                                          n * ED_SETTINGS_YOFFSET)
  90
  91 #define ED_SETTINGS1_YPOS               MINI_TILEY
  92 #define ED_SETTINGS2_XPOS               MINI_TILEX
  93 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
  94
  95 /* values for counter gadgets */
  96 #define ED_COUNT_PUSH_DELAY_RND_XPOS    (ED_SETTINGS_XPOS(1) + 16 * MINI_TILEX)
  97 #define ED_COUNT_MOVE_DELAY_RND_XPOS    ED_COUNT_PUSH_DELAY_RND_XPOS
  98 #define ED_COUNT_CHANGE_DELAY_RND_XPOS  (ED_SETTINGS_XPOS(1) + 13 * MINI_TILEX)
  99
 100 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 101 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 102 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
 103                                          n * ED_COUNTER_YDISTANCE)
 104 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 105                                          n * ED_COUNTER_YDISTANCE - 2)
 106
 107 /* values for element content drawing areas */
 108 /* amoeba content */
 109 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 110 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 111
 112 /* custom change target */
 113 #define ED_AREA_ELEM_CONTENT2_XPOS      (20 * MINI_TILEX)
 114 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(2) + \
 115                                          ED_GADGET_DISTANCE)
 116 /* optional custom graphic */
 117 #define ED_AREA_ELEM_CONTENT3_XPOS      (24 * MINI_TILEX)
 118 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(1) + \
 119                                          ED_GADGET_DISTANCE)
 120 /* custom element content */
 121 #define ED_AREA_ELEM_CONTENT4_XPOS      (29 * MINI_TILEX)
 122 #define ED_AREA_ELEM_CONTENT4_YPOS      (ED_SETTINGS_YPOS(2) + \
 123                                          ED_GADGET_DISTANCE - MINI_TILEY)
 124 /* custom change trigger element */
 125 #define ED_AREA_ELEM_CONTENT5_XPOS      (30 * MINI_TILEX + MINI_TILEX / 2)
 126 #define ED_AREA_ELEM_CONTENT5_YPOS      (ED_SETTINGS_YPOS(7) + \
 127                                          ED_GADGET_DISTANCE)
 128
 129 /* values for random placement background drawing area */
 130 #define ED_AREA_RANDOM_BACKGROUND_XPOS  (29 * MINI_TILEX)
 131 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 132
 133 /* values for scrolling gadgets for drawing area */
 134 #define ED_SCROLLBUTTON_XPOS            24
 135 #define ED_SCROLLBUTTON_YPOS            0
 136 #define ED_SCROLLBAR_XPOS               24
 137 #define ED_SCROLLBAR_YPOS               64
 138
 139 #define ED_SCROLLBUTTON_XSIZE           16
 140 #define ED_SCROLLBUTTON_YSIZE           16
 141
 142 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 143 #define ED_SCROLL_UP_YPOS               (0)
 144 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 145 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 146 #define ED_SCROLL_LEFT_XPOS             (0)
 147 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 148 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 149 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 150 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 151 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 152 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 153 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 154 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 155 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 156 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 157 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 158
 159 /* values for scrolling gadgets for element list */
 160 #define ED_SCROLLBUTTON2_XPOS           50
 161 #define ED_SCROLLBUTTON2_YPOS           0
 162 #define ED_SCROLLBAR2_XPOS              50
 163 #define ED_SCROLLBAR2_YPOS              20
 164
 165 #define ED_SCROLLBUTTON2_XSIZE          10
 166 #define ED_SCROLLBUTTON2_YSIZE          10
 167
 168 #define ED_SCROLL2_UP_XPOS              85
 169 #define ED_SCROLL2_UP_YPOS              30
 170 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 171 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 172                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 173                                          ED_ELEMENTLIST_YSIZE - \
 174                                          ED_SCROLLBUTTON2_YSIZE)
 175 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 176 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 177                                          ED_SCROLLBUTTON2_YSIZE)
 178 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 179 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 180                                          ED_ELEMENTLIST_YSIZE - \
 181                                          2 * ED_SCROLLBUTTON2_YSIZE)
 182
 183 /* values for checkbutton gadgets */
 184 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 185 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 186 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 187 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 188 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 189 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 190 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 191
 192 /* some positions in the editor control window */
 193 #define ED_BUTTON_ELEM_XPOS             6
 194 #define ED_BUTTON_ELEM_YPOS             30
 195 #define ED_BUTTON_ELEM_XSIZE            22
 196 #define ED_BUTTON_ELEM_YSIZE            22
 197
 198 /* some values for text input, selectbox and counter gadgets */
 199 #define ED_BUTTON_COUNT_YPOS            60
 200 #define ED_BUTTON_COUNT_XSIZE           20
 201 #define ED_BUTTON_COUNT_YSIZE           20
 202 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 203 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 204 #define ED_WIN_COUNT_XSIZE              52
 205 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 206 #define ED_WIN_COUNT2_XPOS              27
 207 #define ED_WIN_COUNT2_YPOS              3
 208 #define ED_WIN_COUNT2_XSIZE             46
 209 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 210
 211 #define ED_BUTTON_MINUS_XPOS            2
 212 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 213 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 214 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 215 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 216                                          ED_WIN_COUNT_XSIZE + 2)
 217 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 218 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 219 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 220
 221 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 222 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 223                                          2 + ED_WIN_COUNT_YSIZE)
 224 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 225 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 226
 227 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 228 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 229                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 230 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 231
 232 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 233 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS + \
 234                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 235 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS + \
 236                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 237
 238 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 239 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 240
 241 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 242 #define INFOTEXT_XPOS                   SX
 243 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 244 #define INFOTEXT_XSIZE                  SXSIZE
 245 #define INFOTEXT_YSIZE                  MINI_TILEX
 246
 247
 248 /*
 249   -----------------------------------------------------------------------------
 250   editor gadget definitions
 251   -----------------------------------------------------------------------------
 252 */
 253
 254 /* drawing toolbox buttons */
 255 #define GADGET_ID_NONE                  -1
 256 #define GADGET_ID_TOOLBOX_FIRST         0
 257
 258 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 259 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 260 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 261 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 262 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 263 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 264 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 265 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 266 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 267 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 268 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 269 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 270 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 271 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 272 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 273 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 274 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 275 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 276 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 277 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 278 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 279 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 280
 281 /* counter button identifiers */
 282 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 283
 284 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 285 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 286 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 287 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 288 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 289 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 290 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 291 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 292 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 293 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 294 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 295 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 296 #define GADGET_ID_LEVEL_COLLECT_DOWN    (GADGET_ID_COUNTER_FIRST + 12)
 297 #define GADGET_ID_LEVEL_COLLECT_TEXT    (GADGET_ID_COUNTER_FIRST + 13)
 298 #define GADGET_ID_LEVEL_COLLECT_UP      (GADGET_ID_COUNTER_FIRST + 14)
 299 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 300 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 301 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 302 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 303 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 304 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 305 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 306 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 307 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 308 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 309 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 310 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 311 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 27)
 312 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 28)
 313 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 29)
 314 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 315 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 316 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 32)
 317 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 318 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 319 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 35)
 320 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 321 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 322 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 38)
 323 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 324 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 325 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 41)
 326 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 42)
 327 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 43)
 328 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 44)
 329 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 45)
 330 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 46)
 331 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 47)
 332
 333 /* drawing area identifiers */
 334 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 48)
 335
 336 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 337 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 338 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 339 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 340 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 341 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 342 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 343 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 344 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 345 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 346 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 347 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 348 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 349 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 13)
 350 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 14)
 351
 352 /* text input identifiers */
 353 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 15)
 354
 355 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 356 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 357
 358 /* selectbox identifiers */
 359 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 2)
 360
 361 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 0)
 362 #define GADGET_ID_CUSTOM_CONSISTENCY    (GADGET_ID_SELECTBOX_FIRST + 1)
 363 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 2)
 364 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 3)
 365 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 4)
 366 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 5)
 367 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 6)
 368 #define GADGET_ID_CUSTOM_WALKABLE_LAYER (GADGET_ID_SELECTBOX_FIRST + 7)
 369 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 8)
 370 #define GADGET_ID_CHANGE_PLAYER_ACTION  (GADGET_ID_SELECTBOX_FIRST + 9)
 371 #define GADGET_ID_CHANGE_IMPACT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 10)
 372 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 11)
 373
 374 /* textbutton identifiers */
 375 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 12)
 376
 377 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 378 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 379 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 380 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 3)
 381
 382 /* gadgets for scrolling of drawing area */
 383 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_TEXTBUTTON_FIRST + 4)
 384
 385 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 386 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 387 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 388 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 389 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 390 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 391
 392 /* gadgets for scrolling element list */
 393 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 394
 395 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 396 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 397 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 398
 399 /* checkbuttons for level/element properties */
 400 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 401
 402 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 403 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 404 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 405 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 406 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 407 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 408 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 409 #define GADGET_ID_CUSTOM_EXPLODE_RESULT (GADGET_ID_CHECKBUTTON_FIRST + 7)
 410 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 411 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 9)
 412 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 10)
 413 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 11)
 414 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 12)
 415 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 416 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 417 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 418 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 16)
 419 #define GADGET_ID_CUSTOM_WALKABLE       (GADGET_ID_CHECKBUTTON_FIRST + 17)
 420 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 421 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 422 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 423 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 21)
 424 #define GADGET_ID_CHANGE_BY_PLAYER      (GADGET_ID_CHECKBUTTON_FIRST + 22)
 425 #define GADGET_ID_CHANGE_IMPACT_SMASHED (GADGET_ID_CHECKBUTTON_FIRST + 23)
 426 #define GADGET_ID_CHANGE_BY_OTHER       (GADGET_ID_CHECKBUTTON_FIRST + 24)
 427
 428 /* gadgets for buttons in element list */
 429 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 25)
 430 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 431                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 432
 433 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 434
 435 /* radio button numbers */
 436 #define RADIO_NR_NONE                   0
 437 #define RADIO_NR_DRAWING_TOOLBOX        1
 438 #define RADIO_NR_RANDOM_ELEMENTS        2
 439
 440 /* values for counter gadgets */
 441 #define ED_COUNTER_ID_SELECT_LEVEL      0
 442 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 443 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 444 #define ED_COUNTER_ID_LEVEL_COLLECT     3
 445 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 446 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 447 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 448 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 449 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 450 #define ED_COUNTER_ID_CUSTOM_SCORE      9
 451 #define ED_COUNTER_ID_PUSH_DELAY_FIX    10
 452 #define ED_COUNTER_ID_PUSH_DELAY_RND    11
 453 #define ED_COUNTER_ID_MOVE_DELAY_FIX    12
 454 #define ED_COUNTER_ID_MOVE_DELAY_RND    13
 455 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  14
 456 #define ED_COUNTER_ID_CHANGE_DELAY_RND  15
 457
 458 #define ED_NUM_COUNTERBUTTONS           16
 459
 460 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 461 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 462
 463 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM_SCORE
 464 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_MOVE_DELAY_RND
 465
 466 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 467 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_DELAY_RND
 468
 469 /* values for scrollbutton gadgets */
 470 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 471 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 472 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 473 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 474 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 475 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 476
 477 #define ED_NUM_SCROLLBUTTONS            6
 478
 479 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 480 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 481
 482 /* values for scrollbar gadgets */
 483 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 484 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 485 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 486
 487 #define ED_NUM_SCROLLBARS               3
 488
 489 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 490 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 491
 492 /* values for text input gadgets */
 493 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 494 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 495
 496 #define ED_NUM_TEXTINPUT                2
 497
 498 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 499 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 500
 501 /* values for selectbox gadgets */
 502 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   0
 503 #define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY      1
 504 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       2
 505 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     3
 506 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   4
 507 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    5
 508 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    6
 509 #define ED_SELECTBOX_ID_CUSTOM_WALKABLE_LAYER   7
 510 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       8
 511 #define ED_SELECTBOX_ID_CHANGE_PLAYER_ACTION    9
 512 #define ED_SELECTBOX_ID_CHANGE_IMPACT_ACTION    10
 513 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     11
 514
 515 #define ED_NUM_SELECTBOX                        12
 516
 517 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 518 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_WALKABLE_LAYER
 519
 520 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 521 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION
 522
 523 /* values for textbutton gadgets */
 524 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 525 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 526 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 527 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       3
 528
 529 #define ED_NUM_TEXTBUTTON                       4
 530
 531 /* values for checkbutton gadgets */
 532 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 533 #define ED_CHECKBUTTON_ID_GRAVITY               1
 534 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 535 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 536 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 537 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT 5
 538 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   6
 539 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  7
 540 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 8
 541 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 9
 542 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         10
 543 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       11
 544 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       12
 545 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      13
 546 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       14
 547 #define ED_CHECKBUTTON_ID_CUSTOM_WALKABLE       15
 548 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    16
 549 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   17
 550 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     18
 551 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          19
 552 #define ED_CHECKBUTTON_ID_CHANGE_BY_PLAYER      20
 553 #define ED_CHECKBUTTON_ID_CHANGE_IMPACT_SMASHED 21
 554 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER       22
 555
 556 #define ED_NUM_CHECKBUTTONS                     23
 557
 558 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 559 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 560
 561 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT
 562 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_WALKABLE
 563
 564 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 565 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER
 566
 567 /* values for radiobutton gadgets */
 568 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 569 #define ED_RADIOBUTTON_ID_QUANTITY      1
 570
 571 #define ED_NUM_RADIOBUTTONS             2
 572
 573 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 574 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 575
 576
 577 /*
 578   -----------------------------------------------------------------------------
 579   some internally used definitions
 580   -----------------------------------------------------------------------------
 581 */
 582
 583 /* values for CopyLevelToUndoBuffer() */
 584 #define UNDO_IMMEDIATE                  0
 585 #define UNDO_ACCUMULATE                 1
 586
 587 /* values for scrollbars */
 588 #define ED_SCROLL_NO                    0
 589 #define ED_SCROLL_LEFT                  1
 590 #define ED_SCROLL_RIGHT                 2
 591 #define ED_SCROLL_UP                    4
 592 #define ED_SCROLL_DOWN                  8
 593
 594 /* screens in the level editor */
 595 #define ED_MODE_DRAWING                 0
 596 #define ED_MODE_INFO                    1
 597 #define ED_MODE_PROPERTIES              2
 598
 599 /* sub-screens in the element properties section */
 600 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 601 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 602 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 603
 604 /* how many steps can be cancelled */
 605 #define NUM_UNDO_STEPS                  (10 + 1)
 606
 607 /* values for elements with score */
 608 #define MIN_SCORE                       0
 609 #define MAX_SCORE                       255
 610
 611 /* values for random placement */
 612 #define RANDOM_USE_PERCENTAGE           0
 613 #define RANDOM_USE_QUANTITY             1
 614
 615 /* maximal size of level editor drawing area */
 616 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 617 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 618
 619
 620 /*
 621   -----------------------------------------------------------------------------
 622   some internally used data structure definitions
 623   -----------------------------------------------------------------------------
 624 */
 625
 626 static struct
 627 {
 628   char shortcut;
 629   char *text;
 630 } control_info[ED_NUM_CTRL_BUTTONS] =
 631 {
 632   { 's',        "draw single items"             },
 633   { 'd',        "draw connected items"          },
 634   { 'l',        "draw lines"                    },
 635   { 'a',        "draw arcs"                     },
 636   { 'r',        "draw outline rectangles"       },
 637   { 'R',        "draw filled rectangles"        },
 638   { '\0',       "wrap (rotate) level up"        },
 639   { 't',        "enter text elements"           },
 640   { 'f',        "flood fill"                    },
 641   { '\0',       "wrap (rotate) level left"      },
 642   { '?',        "properties of drawing element" },
 643   { '\0',       "wrap (rotate) level right"     },
 644   { '\0',       "random element placement"      },
 645   { 'b',        "grab brush"                    },
 646   { '\0',       "wrap (rotate) level down"      },
 647   { ',',        "pick drawing element"          },
 648   { 'U',        "undo last operation"           },
 649   { 'I',        "level properties"              },
 650   { 'S',        "save level"                    },
 651   { 'C',        "clear level"                   },
 652   { 'T',        "test level"                    },
 653   { 'E',        "exit level editor"             }
 654 };
 655
 656 static int random_placement_value = 10;
 657 static int random_placement_method = RANDOM_USE_QUANTITY;
 658 static int random_placement_background_element = EL_SAND;
 659 static boolean random_placement_background_restricted = FALSE;
 660 static boolean stick_element_properties_window = FALSE;
 661 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 662 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 663 static struct ElementInfo custom_element;
 664
 665 static struct
 666 {
 667   int x, y;
 668   int min_value, max_value;
 669   int gadget_id_down, gadget_id_up;
 670   int gadget_id_text;
 671   int *value;
 672   char *text_above, *text_left, *text_right;
 673 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 674 {
 675   {
 676     DX + 5 - SX,                        DY + 3 - SY,
 677     1,                                  100,
 678     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 679     GADGET_ID_SELECT_LEVEL_TEXT,
 680     &level_nr,
 681     NULL,                               NULL, NULL
 682   },
 683   {
 684     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 685     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 686     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 687     GADGET_ID_LEVEL_XSIZE_TEXT,
 688     &level.fieldx,
 689     "playfield size",                   NULL, "width",
 690   },
 691   {
 692     ED_SETTINGS_XPOS(0) + 2 * DXSIZE,   ED_COUNTER_YPOS(2),
 693     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 694     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 695     GADGET_ID_LEVEL_YSIZE_TEXT,
 696     &level.fieldy,
 697     NULL,                               NULL, "height",
 698   },
 699   {
 700     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 701     0,                                  999,
 702     GADGET_ID_LEVEL_COLLECT_DOWN,       GADGET_ID_LEVEL_COLLECT_UP,
 703     GADGET_ID_LEVEL_COLLECT_TEXT,
 704     &level.gems_needed,
 705     "number of emeralds to collect",    NULL, NULL
 706   },
 707   {
 708     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 709     0,                                  999,
 710     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 711     GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 712     &level.time,
 713     "time available to solve level",    NULL, "(0 => no time limit)"
 714   },
 715   {
 716     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 717     0,                                  255,
 718     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 719     GADGET_ID_LEVEL_TIMESCORE_TEXT,
 720     &level.score[SC_TIME_BONUS],
 721     "score for each 10 seconds left",   NULL, NULL
 722   },
 723   {
 724     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 725     1,                                  100,
 726     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 727     GADGET_ID_LEVEL_RANDOM_TEXT,
 728     &random_placement_value,
 729     "random element placement",         NULL, "in"
 730   },
 731   {
 732     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 733     MIN_SCORE,                          MAX_SCORE,
 734     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 735     GADGET_ID_ELEMENT_SCORE_TEXT,
 736     NULL,                               /* will be set when used */
 737     NULL,                               NULL, NULL
 738   },
 739   {
 740     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 741     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 742     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 743     GADGET_ID_ELEMENT_CONTENT_TEXT,
 744     &level.num_yamyam_contents,
 745     NULL,                               NULL, "number of content areas"
 746   },
 747   {
 748     ED_SETTINGS_XPOS(9),                ED_SETTINGS_YPOS(4),
 749     MIN_SCORE,                          MAX_SCORE,
 750     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
 751     GADGET_ID_CUSTOM_SCORE_TEXT,
 752     &custom_element.score,
 753     NULL,                               "score", NULL
 754   },
 755   {
 756     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
 757     0,                                  999,
 758     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
 759     GADGET_ID_PUSH_DELAY_FIX_TEXT,
 760     &custom_element.push_delay_fixed,
 761     NULL,                               "push delay", NULL
 762   },
 763   {
 764     ED_COUNT_PUSH_DELAY_RND_XPOS,       ED_SETTINGS_YPOS(5),
 765     0,                                  999,
 766     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
 767     GADGET_ID_PUSH_DELAY_RND_TEXT,
 768     &custom_element.push_delay_random,
 769     NULL,                               "+random", NULL
 770   },
 771   {
 772     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
 773     0,                                  999,
 774     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
 775     GADGET_ID_MOVE_DELAY_FIX_TEXT,
 776     &custom_element.move_delay_fixed,
 777     NULL,                               "move delay", NULL
 778   },
 779   {
 780     ED_COUNT_MOVE_DELAY_RND_XPOS,       ED_SETTINGS_YPOS(8),
 781     0,                                  999,
 782     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
 783     GADGET_ID_MOVE_DELAY_RND_TEXT,
 784     &custom_element.move_delay_random,
 785     NULL,                               "+random", NULL
 786   },
 787   {
 788     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(3),
 789     0,                                  999,
 790     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 791     GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 792     &custom_element.change.delay_fixed,
 793     NULL,                               "delay", NULL,
 794   },
 795   {
 796     ED_COUNT_CHANGE_DELAY_RND_XPOS,     ED_SETTINGS_YPOS(3),
 797     0,                                  999,
 798     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 799     GADGET_ID_CHANGE_DELAY_RND_TEXT,
 800     &custom_element.change.delay_random,
 801     NULL,                               "+random", NULL
 802   }
 803 };
 804
 805 static struct
 806 {
 807   int x, y;
 808   int gadget_id;
 809   int size;
 810   char *value;
 811   char *infotext;
 812 } textinput_info[ED_NUM_TEXTINPUT] =
 813 {
 814   {
 815     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
 816     GADGET_ID_LEVEL_NAME,
 817     MAX_LEVEL_NAME_LEN,
 818     level.name,
 819     "Title"
 820   },
 821   {
 822     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 823     GADGET_ID_LEVEL_AUTHOR,
 824     MAX_LEVEL_AUTHOR_LEN,
 825     level.author,
 826     "Author"
 827   }
 828 };
 829
 830 static struct ValueTextInfo options_walk_to_action[] =
 831 {
 832   { EP_DIGGABLE,                "diggable"                      },
 833   { EP_COLLECTIBLE,             "collectible"                   },
 834   { EP_PUSHABLE,                "pushable"                      },
 835   { -1,                         NULL                            }
 836 };
 837 static int value_walk_to_action = 0;
 838
 839 static struct ValueTextInfo options_move_pattern[] =
 840 {
 841   { MV_LEFT,                    "left"                          },
 842   { MV_RIGHT,                   "right"                         },
 843   { MV_UP,                      "up"                            },
 844   { MV_DOWN,                    "down"                          },
 845   { MV_HORIZONTAL,              "horizontal"                    },
 846   { MV_VERTICAL,                "vertical"                      },
 847   { MV_ALL_DIRECTIONS,          "all directions"                },
 848   { MV_TOWARDS_PLAYER,          "towards player"                },
 849   { MV_AWAY_FROM_PLAYER,        "away from player"              },
 850   { MV_ALONG_LEFT_SIDE,         "along left side"               },
 851   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
 852   { -1,                         NULL                            }
 853 };
 854
 855 static struct ValueTextInfo options_move_direction[] =
 856 {
 857   { MV_NO_MOVING,               "automatic"                     },
 858   { MV_LEFT,                    "left"                          },
 859   { MV_RIGHT,                   "right"                         },
 860   { MV_UP,                      "up"                            },
 861   { MV_DOWN,                    "down"                          },
 862   { -1,                         NULL                            }
 863 };
 864
 865 static struct ValueTextInfo options_move_stepsize[] =
 866 {
 867   { 1,                          "very slow"                     },
 868   { 2,                          "slow"                          },
 869   { 4,                          "normal"                        },
 870   { 8,                          "fast"                          },
 871   { 16,                         "very fast"                     },
 872   { -1,                         NULL                            }
 873 };
 874
 875 static struct ValueTextInfo options_consistency[] =
 876 {
 877   { EP_CAN_EXPLODE,             "can explode"                   },
 878   { EP_INDESTRUCTIBLE,          "indestructible"                },
 879   { -1,                         NULL                            }
 880 };
 881 static int value_consistency = 0;
 882
 883 static struct ValueTextInfo options_deadliness[] =
 884 {
 885   { EP_DONT_RUN_INTO,           "running into"                  },
 886   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
 887   { EP_DONT_TOUCH,              "touching"                      },
 888   { -1,                         NULL                            }
 889 };
 890 static int value_deadliness = 0;
 891
 892 static struct ValueTextInfo options_smash_targets[] =
 893 {
 894   { EP_CAN_SMASH_PLAYER,        "player"                        },
 895   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
 896   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
 897   { -1,                         NULL                            }
 898 };
 899 static int value_smash_targets = 0;
 900
 901 static struct ValueTextInfo options_walkable_layer[] =
 902 {
 903   { EP_WALKABLE_OVER,           "over"                          },
 904   { EP_WALKABLE_INSIDE,         "inside"                        },
 905   { EP_WALKABLE_UNDER,          "under"                         },
 906   { -1,                         NULL                            }
 907 };
 908 static int value_walkable_layer = 0;
 909
 910 static struct ValueTextInfo options_time_units[] =
 911 {
 912   { 50,                         "seconds"                       },
 913   { 1,                          "frames"                        },
 914   { -1,                         NULL                            }
 915 };
 916
 917 static struct ValueTextInfo options_change_player_action[] =
 918 {
 919   { CE_TOUCHED_BY_PLAYER,       "touched"                       },
 920   { CE_PRESSED_BY_PLAYER,       "pressed"                       },
 921   { CE_PUSHED_BY_PLAYER,        "pushed"                        },
 922   { -1,                         NULL                            }
 923 };
 924 static int value_change_player_action = 0;
 925
 926 static struct ValueTextInfo options_change_impact_action[] =
 927 {
 928   { CE_IMPACT,                  "on impact"                     },
 929   { CE_SMASHED,                 "when smashed"                  },
 930   { -1,                         NULL                            }
 931 };
 932 static int value_change_impact_action = 0;
 933
 934 static struct ValueTextInfo options_change_other_action[] =
 935 {
 936   { CE_OTHER_COLLECTING,        "collecting"                    },
 937   { CE_OTHER_PUSHING,           "pushing"                       },
 938   { CE_OTHER_CHANGING,          "change of"                     },
 939   { CE_OTHER_EXPLODING,         "explosion of"                  },
 940   { -1,                         NULL                            }
 941 };
 942 static int value_change_other_action = 0;
 943
 944 static struct
 945 {
 946   int x, y;
 947   int gadget_id;
 948   int size;     /* char size of selectbox or '-1' (dynamically determined) */
 949   struct ValueTextInfo *options;
 950   int *value;
 951   char *text_left, *text_right, *infotext;
 952 } selectbox_info[ED_NUM_SELECTBOX] =
 953 {
 954   {
 955     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 956     GADGET_ID_CUSTOM_WALK_TO_ACTION,
 957     -1,
 958     options_walk_to_action,
 959     &value_walk_to_action,
 960     NULL, NULL, "diggable/collectible/pushable"
 961   },
 962   {
 963     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
 964     GADGET_ID_CUSTOM_CONSISTENCY,
 965     -1,
 966     options_consistency,
 967     &value_consistency,
 968     NULL, "explodes to:", "consistency/destructibility"
 969   },
 970   {
 971     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(1),
 972     GADGET_ID_CUSTOM_DEADLINESS,
 973     -1,
 974     options_deadliness,
 975     &value_deadliness,
 976     "deadly when", NULL, "deadliness of element"
 977   },
 978   {
 979     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
 980     GADGET_ID_CUSTOM_MOVE_PATTERN,
 981     -1,
 982     options_move_pattern,
 983     &custom_element.move_pattern,
 984     "can move", NULL, "element move direction"
 985   },
 986   {
 987     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
 988     GADGET_ID_CUSTOM_MOVE_DIRECTION,
 989     -1,
 990     options_move_direction,
 991     &custom_element.move_direction_initial,
 992     "starts moving", NULL, "initial element move direction"
 993   },
 994   {
 995     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
 996     GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 997     -1,
 998     options_move_stepsize,
 999     &custom_element.move_stepsize,
1000     "move speed", NULL, "speed of element movement"
1001   },
1002   {
1003     ED_SETTINGS_XPOS(7),                ED_SETTINGS_YPOS(10),
1004     GADGET_ID_CUSTOM_SMASH_TARGETS,
1005     -1,
1006     options_smash_targets,
1007     &value_smash_targets,
1008     "can smash", NULL, "elements that can be smashed"
1009   },
1010   {
1011     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(12),
1012     GADGET_ID_CUSTOM_WALKABLE_LAYER,
1013     -1,
1014     options_walkable_layer,
1015     &value_walkable_layer,
1016     "player can walk", NULL, "layer where player can walk"
1017   },
1018   {
1019     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
1020     GADGET_ID_CHANGE_TIME_UNITS,
1021     -1,
1022     options_time_units,
1023     &custom_element.change.delay_frames,
1024     "delay time given in", NULL, "delay time units for change"
1025   },
1026   {
1027     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(5),
1028     GADGET_ID_CHANGE_PLAYER_ACTION,
1029     -1,
1030     options_change_player_action,
1031     &value_change_player_action,
1032     NULL, "by player", "type of player contact"
1033   },
1034   {
1035     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(6),
1036     GADGET_ID_CHANGE_IMPACT_ACTION,
1037     -1,
1038     options_change_impact_action,
1039     &value_change_impact_action,
1040     NULL, NULL, "change after impact or smash"
1041   },
1042   {
1043     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(7),
1044     GADGET_ID_CHANGE_OTHER_ACTION,
1045     -1,
1046     options_change_other_action,
1047     &value_change_other_action,
1048     NULL, "other element:", "type of other element action"
1049   },
1050 };
1051
1052 static struct
1053 {
1054   int x, y;
1055   int gadget_id;
1056   int size;
1057   char *text, *infotext;
1058 } textbutton_info[ED_NUM_TEXTBUTTON] =
1059 {
1060   {
1061     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1062     GADGET_ID_PROPERTIES_INFO,
1063     11, "Information",                  "Show information about element"
1064   },
1065   {
1066     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
1067     GADGET_ID_PROPERTIES_CONFIG,
1068     11, "Configure",                    "Configure element properties"
1069   },
1070   {
1071     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
1072     GADGET_ID_PROPERTIES_ADVANCED,
1073     11, "Advanced",                     "Advanced element configuration"
1074   },
1075   {
1076     ED_SETTINGS_XPOS(0) + 262,          ED_SETTINGS_YPOS(12),
1077     GADGET_ID_SAVE_AS_TEMPLATE,
1078     -1, "Save as template",             "Save current settings as new template"
1079   },
1080 };
1081
1082 static struct
1083 {
1084   int gd_x, gd_y;
1085   int x, y;
1086   int gadget_id;
1087   char *infotext;
1088 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
1089 {
1090   {
1091     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
1092     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
1093     GADGET_ID_SCROLL_UP,
1094     "scroll level editing area up"
1095   },
1096   {
1097     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
1098     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
1099     GADGET_ID_SCROLL_DOWN,
1100     "scroll level editing area down"
1101   },
1102   {
1103     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
1104     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
1105     GADGET_ID_SCROLL_LEFT,
1106     "scroll level editing area left"
1107   },
1108   {
1109     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1110     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1111     GADGET_ID_SCROLL_RIGHT,
1112     "scroll level editing area right"
1113   },
1114   {
1115     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1116     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1117     GADGET_ID_SCROLL_LIST_UP,
1118     "scroll element list up ('Page Up')"
1119   },
1120   {
1121     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1122     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
1123     GADGET_ID_SCROLL_LIST_DOWN,
1124     "scroll element list down ('Page Down')"
1125   }
1126 };
1127
1128 static struct
1129 {
1130   int gd_x, gd_y;
1131   int x, y;
1132   int width, height;
1133   int type;
1134   int gadget_id;
1135   char *infotext;
1136 } scrollbar_info[ED_NUM_SCROLLBARS] =
1137 {
1138   {
1139     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1140     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1141     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1142     GD_TYPE_SCROLLBAR_HORIZONTAL,
1143     GADGET_ID_SCROLL_HORIZONTAL,
1144     "scroll level editing area horizontally"
1145   },
1146   {
1147     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1148     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1149     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1150     GD_TYPE_SCROLLBAR_VERTICAL,
1151     GADGET_ID_SCROLL_VERTICAL,
1152     "scroll level editing area vertically"
1153   },
1154   {
1155     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1156     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1157     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1158     GD_TYPE_SCROLLBAR_VERTICAL,
1159     GADGET_ID_SCROLL_LIST_VERTICAL,
1160     "scroll element list vertically"
1161   }
1162 };
1163
1164 static struct
1165 {
1166   int x, y;
1167   int gadget_id;
1168   int radio_button_nr;
1169   int *value;
1170   int checked_value;
1171   char *text_right, *infotext;
1172 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1173 {
1174   {
1175     ED_SETTINGS_XPOS(0) + 160,          ED_COUNTER2_YPOS(8),
1176     GADGET_ID_RANDOM_PERCENTAGE,
1177     RADIO_NR_RANDOM_ELEMENTS,
1178     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1179     "percentage",                       "use percentage for random elements"
1180   },
1181   {
1182     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER2_YPOS(8),
1183     GADGET_ID_RANDOM_QUANTITY,
1184     RADIO_NR_RANDOM_ELEMENTS,
1185     &random_placement_method,           RANDOM_USE_QUANTITY,
1186     "quantity",                         "use quantity for random elements"
1187   }
1188 };
1189
1190 static struct
1191 {
1192   int x, y;
1193   int gadget_id;
1194   boolean *value;
1195   char *text_right, *infotext;
1196 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1197 {
1198   {
1199     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1200     GADGET_ID_DOUBLE_SPEED,
1201     &level.double_speed,
1202     "double speed movement",            "set movement speed of player"
1203   },
1204   {
1205     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER_YPOS(6) - MINI_TILEY,
1206     GADGET_ID_GRAVITY,
1207     &level.gravity,
1208     "gravity",                          "set level gravity"
1209   },
1210   {
1211     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1212     GADGET_ID_RANDOM_RESTRICTED,
1213     &random_placement_background_restricted,
1214     "restrict random placement to",     "set random placement restriction"
1215   },
1216   {
1217     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
1218     GADGET_ID_STICK_ELEMENT,
1219     &stick_element_properties_window,
1220     "stick this screen to edit content","stick this screen to edit content"
1221   },
1222   {
1223     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1224     GADGET_ID_EM_SLIPPERY_GEMS,
1225     &level.em_slippery_gems,
1226     "slip down from certain flat walls","use EM style slipping behaviour"
1227   },
1228   {
1229     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1230     GADGET_ID_CUSTOM_EXPLODE_RESULT,
1231     &custom_element_properties[EP_EXPLODE_RESULT],
1232     NULL,                               "set consistency/destructibility"
1233   },
1234   {
1235     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1236     GADGET_ID_CUSTOM_EXPLODE_FIRE,
1237     &custom_element_properties[EP_CAN_EXPLODE_BY_FIRE],
1238     "by fire",                          "element can explode by fire/explosion"
1239   },
1240   {
1241     ED_SETTINGS_XPOS(7),                ED_SETTINGS_YPOS(3),
1242     GADGET_ID_CUSTOM_EXPLODE_SMASH,
1243     &custom_element_properties[EP_CAN_EXPLODE_SMASHED],
1244     "smashed",                          "element can explode when smashed"
1245   },
1246   {
1247     ED_SETTINGS_XPOS(13),               ED_SETTINGS_YPOS(3),
1248     GADGET_ID_CUSTOM_EXPLODE_IMPACT,
1249     &custom_element_properties[EP_CAN_EXPLODE_IMPACT],
1250     "impact",                           "element can explode on impact"
1251   },
1252   {
1253     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(4),
1254     GADGET_ID_CUSTOM_WALK_TO_OBJECT,
1255     &custom_element_properties[EP_WALK_TO_OBJECT],
1256     NULL,                               "player can dig/collect/push element"
1257   },
1258   {
1259     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1260     GADGET_ID_CUSTOM_DEADLY,
1261     &custom_element_properties[EP_DEADLY],
1262     NULL,                               "element can kill the player"
1263   },
1264   {
1265     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
1266     GADGET_ID_CUSTOM_CAN_MOVE,
1267     &custom_element_properties[EP_CAN_MOVE],
1268     NULL,                               "element can move in some direction"
1269   },
1270   {
1271     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1272     GADGET_ID_CUSTOM_CAN_FALL,
1273     &custom_element_properties[EP_CAN_FALL],
1274     "can fall",                         "element can fall down"
1275   },
1276   {
1277     ED_SETTINGS_XPOS(6),                ED_SETTINGS_YPOS(10),
1278     GADGET_ID_CUSTOM_CAN_SMASH,
1279     &custom_element_properties[EP_CAN_SMASH],
1280     NULL,                               "element can smash other elements"
1281   },
1282   {
1283     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(11),
1284     GADGET_ID_CUSTOM_SLIPPERY,
1285     &custom_element_properties[EP_SLIPPERY],
1286     "slippery",                         "other elements can fall down from it"
1287   },
1288   {
1289     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1290     GADGET_ID_CUSTOM_WALKABLE,
1291     &custom_element_properties[EP_WALKABLE],
1292     NULL,                               "player can walk on the same field"
1293   },
1294   {
1295     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1296     GADGET_ID_CUSTOM_USE_GRAPHIC,
1297     &custom_element.use_gfx_element,
1298     "use graphic of element:",          "use graphic for custom element"
1299   },
1300   {
1301     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1302     GADGET_ID_CUSTOM_USE_TEMPLATE,
1303     &custom_element.use_template,
1304     "use template",                     "use template for custom properties"
1305   },
1306   {
1307     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1308     GADGET_ID_CUSTOM_CAN_CHANGE,
1309     &custom_element_properties[EP_CAN_CHANGE],
1310     "element changes to    after/when:","element can change to other element"
1311   },
1312   {
1313     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1314     GADGET_ID_CHANGE_DELAY,
1315     &custom_element_change_events[CE_DELAY],
1316     NULL,                               "element changes after delay"
1317   },
1318   {
1319     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1320     GADGET_ID_CHANGE_BY_PLAYER,
1321     &custom_element_change_events[CE_BY_PLAYER],
1322     NULL,                               "element changes by player contact"
1323   },
1324   {
1325     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1326     GADGET_ID_CHANGE_IMPACT_SMASHED,
1327     &custom_element_change_events[CE_IMPACT_SMASHED],
1328     NULL,                               "element changes by impact or smash"
1329   },
1330   {
1331     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
1332     GADGET_ID_CHANGE_BY_OTHER,
1333     &custom_element_change_events[CE_BY_OTHER],
1334     NULL,                               "element changes by other element"
1335   },
1336 };
1337
1338
1339 /*
1340   -----------------------------------------------------------------------------
1341   some internally used variables
1342   -----------------------------------------------------------------------------
1343 */
1344
1345 /* actual size of level editor drawing area */
1346 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1347
1348 /* actual position of level editor drawing area in level playfield */
1349 static int level_xpos = -1, level_ypos = -1;
1350
1351 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1352
1353 /* drawing elements on the three mouse buttons */
1354 static int new_element1 = EL_WALL;
1355 static int new_element2 = EL_EMPTY;
1356 static int new_element3 = EL_SAND;
1357
1358 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1359                                 (button) == 2 ? new_element2 : \
1360                                 (button) == 3 ? new_element3 : EL_EMPTY)
1361 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1362
1363 /* forward declaration for internal use */
1364 static void ModifyEditorCounter(int, int);
1365 static void ModifyEditorCounterLimits(int, int, int);
1366 static void ModifyEditorSelectbox(int, int);
1367 static void ModifyEditorElementList();
1368 static void DrawDrawingWindow();
1369 static void DrawLevelInfoWindow();
1370 static void DrawPropertiesWindow();
1371 static boolean checkPropertiesConfig();
1372 static void CopyLevelToUndoBuffer(int);
1373 static void HandleDrawingAreas(struct GadgetInfo *);
1374 static void HandleCounterButtons(struct GadgetInfo *);
1375 static void HandleTextInputGadgets(struct GadgetInfo *);
1376 static void HandleSelectboxGadgets(struct GadgetInfo *);
1377 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1378 static void HandleRadiobuttons(struct GadgetInfo *);
1379 static void HandleCheckbuttons(struct GadgetInfo *);
1380 static void HandleControlButtons(struct GadgetInfo *);
1381 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1382
1383 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1384
1385 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1386 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1387 static boolean draw_with_brush = FALSE;
1388 static int properties_element = 0;
1389
1390 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1391 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1392 static int undo_buffer_position = 0;
1393 static int undo_buffer_steps = 0;
1394
1395 static int edit_mode;
1396 static int edit_mode_properties;
1397
1398 static int element_shift = 0;
1399
1400 static int editor_el_boulderdash[] =
1401 {
1402   EL_CHAR('B'),
1403   EL_CHAR('O'),
1404   EL_CHAR('U'),
1405   EL_CHAR('L'),
1406
1407   EL_CHAR('-'),
1408   EL_CHAR('D'),
1409   EL_CHAR('E'),
1410   EL_CHAR('R'),
1411
1412   EL_CHAR('D'),
1413   EL_CHAR('A'),
1414   EL_CHAR('S'),
1415   EL_CHAR('H'),
1416
1417   EL_PLAYER_1,
1418   EL_EMPTY,
1419   EL_SAND,
1420   EL_STEELWALL,
1421
1422   EL_BD_WALL,
1423   EL_BD_MAGIC_WALL,
1424   EL_EXIT_CLOSED,
1425   EL_EXIT_OPEN,
1426
1427   EL_BD_DIAMOND,
1428   EL_BD_BUTTERFLY_UP,
1429   EL_BD_FIREFLY_UP,
1430   EL_BD_ROCK,
1431
1432   EL_BD_BUTTERFLY_LEFT,
1433   EL_BD_FIREFLY_LEFT,
1434   EL_BD_BUTTERFLY_RIGHT,
1435   EL_BD_FIREFLY_RIGHT,
1436
1437   EL_BD_AMOEBA,
1438   EL_BD_BUTTERFLY_DOWN,
1439   EL_BD_FIREFLY_DOWN,
1440   EL_EMPTY,
1441 };
1442 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1443
1444 static int editor_el_emerald_mine[] =
1445 {
1446   EL_CHAR('E'),
1447   EL_CHAR('M'),
1448   EL_CHAR('E'),
1449   EL_CHAR('-'),
1450
1451   EL_CHAR('R'),
1452   EL_CHAR('A'),
1453   EL_CHAR('L'),
1454   EL_CHAR('D'),
1455
1456   EL_CHAR('M'),
1457   EL_CHAR('I'),
1458   EL_CHAR('N'),
1459   EL_CHAR('E'),
1460
1461   EL_PLAYER_1,
1462   EL_PLAYER_2,
1463   EL_PLAYER_3,
1464   EL_PLAYER_4,
1465
1466   EL_PLAYER_1,
1467   EL_EMPTY,
1468   EL_SAND,
1469   EL_ROCK,
1470
1471   EL_STEELWALL,
1472   EL_WALL,
1473   EL_WALL_CRUMBLED,
1474   EL_MAGIC_WALL,
1475
1476   EL_EMERALD,
1477   EL_DIAMOND,
1478   EL_NUT,
1479   EL_BOMB,
1480
1481   EL_WALL_EMERALD,
1482   EL_WALL_DIAMOND,
1483   EL_QUICKSAND_EMPTY,
1484   EL_QUICKSAND_FULL,
1485
1486   EL_DYNAMITE,
1487   EL_DYNAMITE_ACTIVE,
1488   EL_EXIT_CLOSED,
1489   EL_EXIT_OPEN,
1490
1491   EL_YAMYAM,
1492   EL_BUG_UP,
1493   EL_SPACESHIP_UP,
1494   EL_ROBOT,
1495
1496   EL_BUG_LEFT,
1497   EL_SPACESHIP_LEFT,
1498   EL_BUG_RIGHT,
1499   EL_SPACESHIP_RIGHT,
1500
1501   EL_ROBOT_WHEEL,
1502   EL_BUG_DOWN,
1503   EL_SPACESHIP_DOWN,
1504   EL_INVISIBLE_WALL,
1505
1506   EL_ACID_POOL_TOPLEFT,
1507   EL_ACID,
1508   EL_ACID_POOL_TOPRIGHT,
1509   EL_EMPTY,
1510
1511   EL_ACID_POOL_BOTTOMLEFT,
1512   EL_ACID_POOL_BOTTOM,
1513   EL_ACID_POOL_BOTTOMRIGHT,
1514   EL_EMPTY,
1515
1516   EL_AMOEBA_DROP,
1517   EL_AMOEBA_DEAD,
1518   EL_AMOEBA_WET,
1519   EL_AMOEBA_DRY,
1520
1521   EL_EM_KEY_1_FILE,
1522   EL_EM_KEY_2_FILE,
1523   EL_EM_KEY_3_FILE,
1524   EL_EM_KEY_4_FILE,
1525
1526   EL_EM_GATE_1,
1527   EL_EM_GATE_2,
1528   EL_EM_GATE_3,
1529   EL_EM_GATE_4,
1530
1531   EL_EM_GATE_1_GRAY,
1532   EL_EM_GATE_2_GRAY,
1533   EL_EM_GATE_3_GRAY,
1534   EL_EM_GATE_4_GRAY,
1535 };
1536 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1537
1538 static int editor_el_more[] =
1539 {
1540   EL_CHAR('M'),
1541   EL_CHAR('O'),
1542   EL_CHAR('R'),
1543   EL_CHAR('E'),
1544
1545   EL_KEY_1,
1546   EL_KEY_2,
1547   EL_KEY_3,
1548   EL_KEY_4,
1549
1550   EL_GATE_1,
1551   EL_GATE_2,
1552   EL_GATE_3,
1553   EL_GATE_4,
1554
1555   EL_GATE_1_GRAY,
1556   EL_GATE_2_GRAY,
1557   EL_GATE_3_GRAY,
1558   EL_GATE_4_GRAY,
1559
1560   EL_ARROW_LEFT,
1561   EL_ARROW_RIGHT,
1562   EL_ARROW_UP,
1563   EL_ARROW_DOWN,
1564
1565   EL_AMOEBA_FULL,
1566   EL_EMERALD_YELLOW,
1567   EL_EMERALD_RED,
1568   EL_EMERALD_PURPLE,
1569
1570   EL_WALL_BD_DIAMOND,
1571   EL_WALL_EMERALD_YELLOW,
1572   EL_WALL_EMERALD_RED,
1573   EL_WALL_EMERALD_PURPLE,
1574
1575   EL_GAME_OF_LIFE,
1576   EL_PACMAN_UP,
1577   EL_TIME_ORB_FULL,
1578   EL_TIME_ORB_EMPTY,
1579
1580   EL_PACMAN_LEFT,
1581   EL_DARK_YAMYAM,
1582   EL_PACMAN_RIGHT,
1583   EL_EXPANDABLE_WALL,
1584
1585   EL_BIOMAZE,
1586   EL_PACMAN_DOWN,
1587   EL_LAMP,
1588   EL_LAMP_ACTIVE,
1589
1590   EL_DYNABOMB_INCREASE_NUMBER,
1591   EL_DYNABOMB_INCREASE_SIZE,
1592   EL_DYNABOMB_INCREASE_POWER,
1593   EL_STONEBLOCK,
1594
1595   EL_MOLE,
1596   EL_PENGUIN,
1597   EL_PIG,
1598   EL_DRAGON,
1599
1600   EL_EMPTY,
1601   EL_MOLE_UP,
1602   EL_EMPTY,
1603   EL_EMPTY,
1604
1605   EL_MOLE_LEFT,
1606   EL_EMPTY,
1607   EL_MOLE_RIGHT,
1608   EL_EMPTY,
1609
1610   EL_EMPTY,
1611   EL_MOLE_DOWN,
1612   EL_BALLOON,
1613   EL_BALLOON_SWITCH_ANY,
1614
1615   EL_BALLOON_SWITCH_LEFT,
1616   EL_BALLOON_SWITCH_RIGHT,
1617   EL_BALLOON_SWITCH_UP,
1618   EL_BALLOON_SWITCH_DOWN,
1619
1620   EL_SATELLITE,
1621   EL_EXPANDABLE_WALL_HORIZONTAL,
1622   EL_EXPANDABLE_WALL_VERTICAL,
1623   EL_EXPANDABLE_WALL_ANY,
1624
1625   EL_INVISIBLE_STEELWALL,
1626   EL_INVISIBLE_WALL,
1627   EL_SPEED_PILL,
1628   EL_BLACK_ORB,
1629
1630   EL_EMC_STEELWALL_1,
1631   EL_EMC_WALL_1,
1632   EL_EMC_WALL_2,
1633   EL_EMC_WALL_3,
1634
1635   EL_EMC_WALL_4,
1636   EL_EMC_WALL_5,
1637   EL_EMC_WALL_6,
1638   EL_EMC_WALL_7,
1639 };
1640 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1641
1642 static int editor_el_sokoban[] =
1643 {
1644   EL_CHAR('S'),
1645   EL_CHAR('O'),
1646   EL_CHAR('K'),
1647   EL_CHAR('O'),
1648
1649   EL_CHAR('-'),
1650   EL_CHAR('B'),
1651   EL_CHAR('A'),
1652   EL_CHAR('N'),
1653
1654   EL_SOKOBAN_OBJECT,
1655   EL_SOKOBAN_FIELD_EMPTY,
1656   EL_SOKOBAN_FIELD_FULL,
1657   EL_STEELWALL,
1658 };
1659 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1660
1661 static int editor_el_supaplex[] =
1662 {
1663   EL_CHAR('S'),
1664   EL_CHAR('U'),
1665   EL_CHAR('P'),
1666   EL_CHAR('A'),
1667
1668   EL_CHAR('P'),
1669   EL_CHAR('L'),
1670   EL_CHAR('E'),
1671   EL_CHAR('X'),
1672
1673   EL_SP_EMPTY,
1674   EL_SP_ZONK,
1675   EL_SP_BASE,
1676   EL_SP_MURPHY,
1677
1678   EL_SP_INFOTRON,
1679   EL_SP_CHIP_SINGLE,
1680   EL_SP_HARDWARE_GRAY,
1681   EL_SP_EXIT_CLOSED,
1682
1683   EL_SP_DISK_ORANGE,
1684   EL_SP_PORT_RIGHT,
1685   EL_SP_PORT_DOWN,
1686   EL_SP_PORT_LEFT,
1687
1688   EL_SP_PORT_UP,
1689   EL_SP_GRAVITY_PORT_RIGHT,
1690   EL_SP_GRAVITY_PORT_DOWN,
1691   EL_SP_GRAVITY_PORT_LEFT,
1692
1693   EL_SP_GRAVITY_PORT_UP,
1694   EL_SP_SNIKSNAK,
1695   EL_SP_DISK_YELLOW,
1696   EL_SP_TERMINAL,
1697
1698   EL_SP_DISK_RED,
1699   EL_SP_PORT_VERTICAL,
1700   EL_SP_PORT_HORIZONTAL,
1701   EL_SP_PORT_ANY,
1702
1703   EL_SP_ELECTRON,
1704   EL_SP_BUGGY_BASE,
1705   EL_SP_CHIP_LEFT,
1706   EL_SP_CHIP_RIGHT,
1707
1708   EL_SP_HARDWARE_BASE_1,
1709   EL_SP_HARDWARE_GREEN,
1710   EL_SP_HARDWARE_BLUE,
1711   EL_SP_HARDWARE_RED,
1712
1713   EL_SP_HARDWARE_YELLOW,
1714   EL_SP_HARDWARE_BASE_2,
1715   EL_SP_HARDWARE_BASE_3,
1716   EL_SP_HARDWARE_BASE_4,
1717
1718   EL_SP_HARDWARE_BASE_5,
1719   EL_SP_HARDWARE_BASE_6,
1720   EL_SP_CHIP_TOP,
1721   EL_SP_CHIP_BOTTOM,
1722 };
1723 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1724
1725 static int editor_el_diamond_caves[] =
1726 {
1727   EL_CHAR('D'),
1728   EL_CHAR('I'),
1729   EL_CHAR('A'),
1730   EL_CHAR('-'),
1731
1732   EL_CHAR('M'),
1733   EL_CHAR('O'),
1734   EL_CHAR('N'),
1735   EL_CHAR('D'),
1736
1737   EL_CHAR('C'),
1738   EL_CHAR('A'),
1739   EL_CHAR('V'),
1740   EL_CHAR('E'),
1741
1742   EL_CHAR('S'),
1743   EL_CHAR(' '),
1744   EL_CHAR('I'),
1745   EL_CHAR('I'),
1746
1747   EL_PEARL,
1748   EL_CRYSTAL,
1749   EL_WALL_PEARL,
1750   EL_WALL_CRYSTAL,
1751
1752   EL_CONVEYOR_BELT_1_LEFT,
1753   EL_CONVEYOR_BELT_1_MIDDLE,
1754   EL_CONVEYOR_BELT_1_RIGHT,
1755   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1756
1757   EL_CONVEYOR_BELT_2_LEFT,
1758   EL_CONVEYOR_BELT_2_MIDDLE,
1759   EL_CONVEYOR_BELT_2_RIGHT,
1760   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1761
1762   EL_CONVEYOR_BELT_3_LEFT,
1763   EL_CONVEYOR_BELT_3_MIDDLE,
1764   EL_CONVEYOR_BELT_3_RIGHT,
1765   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1766
1767   EL_CONVEYOR_BELT_4_LEFT,
1768   EL_CONVEYOR_BELT_4_MIDDLE,
1769   EL_CONVEYOR_BELT_4_RIGHT,
1770   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1771
1772   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1773   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1774   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1775   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1776
1777   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1778   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1779   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1780   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1781
1782   EL_SWITCHGATE_OPEN,
1783   EL_SWITCHGATE_CLOSED,
1784   EL_SWITCHGATE_SWITCH_UP,
1785   EL_ENVELOPE,
1786
1787   EL_TIMEGATE_CLOSED,
1788   EL_TIMEGATE_OPEN,
1789   EL_TIMEGATE_SWITCH,
1790   EL_EMPTY,
1791
1792   EL_LANDMINE,
1793   EL_INVISIBLE_SAND,
1794   EL_STEELWALL_SLANTED,
1795   EL_EMPTY,
1796
1797   EL_SIGN_EXCLAMATION,
1798   EL_SIGN_STOP,
1799   EL_LIGHT_SWITCH,
1800   EL_LIGHT_SWITCH_ACTIVE,
1801
1802   EL_SHIELD_NORMAL,
1803   EL_SHIELD_DEADLY,
1804   EL_EXTRA_TIME,
1805   EL_EMPTY,
1806 };
1807 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1808
1809 static int editor_el_dx_boulderdash[] =
1810 {
1811   EL_CHAR('D'),
1812   EL_CHAR('X'),
1813   EL_CHAR('-'),
1814   EL_CHAR(' '),
1815
1816   EL_CHAR('B'),
1817   EL_CHAR('O'),
1818   EL_CHAR('U'),
1819   EL_CHAR('L'),
1820
1821   EL_CHAR('-'),
1822   EL_CHAR('D'),
1823   EL_CHAR('E'),
1824   EL_CHAR('R'),
1825
1826   EL_CHAR('D'),
1827   EL_CHAR('A'),
1828   EL_CHAR('S'),
1829   EL_CHAR('H'),
1830
1831   EL_SPRING,
1832   EL_TUBE_RIGHT_DOWN,
1833   EL_TUBE_HORIZONTAL_DOWN,
1834   EL_TUBE_LEFT_DOWN,
1835
1836   EL_TUBE_HORIZONTAL,
1837   EL_TUBE_VERTICAL_RIGHT,
1838   EL_TUBE_ANY,
1839   EL_TUBE_VERTICAL_LEFT,
1840
1841   EL_TUBE_VERTICAL,
1842   EL_TUBE_RIGHT_UP,
1843   EL_TUBE_HORIZONTAL_UP,
1844   EL_TUBE_LEFT_UP,
1845
1846   EL_TRAP,
1847   EL_DX_SUPABOMB,
1848   EL_EMPTY,
1849   EL_EMPTY
1850 };
1851 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
1852
1853 static int editor_el_chars[] =
1854 {
1855   EL_CHAR('T'),
1856   EL_CHAR('E'),
1857   EL_CHAR('X'),
1858   EL_CHAR('T'),
1859
1860   EL_CHAR(' '),
1861   EL_CHAR('!'),
1862   EL_CHAR('"'),
1863   EL_CHAR('#'),
1864
1865   EL_CHAR('$'),
1866   EL_CHAR('%'),
1867   EL_CHAR('&'),
1868   EL_CHAR('\''),
1869
1870   EL_CHAR('('),
1871   EL_CHAR(')'),
1872   EL_CHAR('*'),
1873   EL_CHAR('+'),
1874
1875   EL_CHAR(','),
1876   EL_CHAR('-'),
1877   EL_CHAR('.'),
1878   EL_CHAR('/'),
1879
1880   EL_CHAR('0'),
1881   EL_CHAR('1'),
1882   EL_CHAR('2'),
1883   EL_CHAR('3'),
1884
1885   EL_CHAR('4'),
1886   EL_CHAR('5'),
1887   EL_CHAR('6'),
1888   EL_CHAR('7'),
1889
1890   EL_CHAR('8'),
1891   EL_CHAR('9'),
1892   EL_CHAR(':'),
1893   EL_CHAR(';'),
1894
1895   EL_CHAR('<'),
1896   EL_CHAR('='),
1897   EL_CHAR('>'),
1898   EL_CHAR('?'),
1899
1900   EL_CHAR('@'),
1901   EL_CHAR('A'),
1902   EL_CHAR('B'),
1903   EL_CHAR('C'),
1904
1905   EL_CHAR('D'),
1906   EL_CHAR('E'),
1907   EL_CHAR('F'),
1908   EL_CHAR('G'),
1909
1910   EL_CHAR('H'),
1911   EL_CHAR('I'),
1912   EL_CHAR('J'),
1913   EL_CHAR('K'),
1914
1915   EL_CHAR('L'),
1916   EL_CHAR('M'),
1917   EL_CHAR('N'),
1918   EL_CHAR('O'),
1919
1920   EL_CHAR('P'),
1921   EL_CHAR('Q'),
1922   EL_CHAR('R'),
1923   EL_CHAR('S'),
1924
1925   EL_CHAR('T'),
1926   EL_CHAR('U'),
1927   EL_CHAR('V'),
1928   EL_CHAR('W'),
1929
1930   EL_CHAR('X'),
1931   EL_CHAR('Y'),
1932   EL_CHAR('Z'),
1933   EL_CHAR('['),
1934
1935   EL_CHAR('\\'),
1936   EL_CHAR(']'),
1937   EL_CHAR('^'),
1938   EL_CHAR('_'),
1939
1940   EL_CHAR('©'),
1941   EL_CHAR('Ä'),
1942   EL_CHAR('Ö'),
1943   EL_CHAR('Ü'),
1944
1945   EL_CHAR('°'),
1946   EL_CHAR('®'),
1947   EL_CHAR(FONT_ASCII_CURSOR),
1948   EL_CHAR(' ')
1949 };
1950 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
1951
1952 static int editor_el_custom[] =
1953 {
1954   EL_CHAR('C'),
1955   EL_CHAR('U'),
1956   EL_CHAR('S'),
1957   EL_CHAR('-'),
1958
1959   EL_CHAR('T'),
1960   EL_CHAR('O'),
1961   EL_CHAR('M'),
1962   EL_CHAR(' '),
1963
1964   EL_CHAR('E'),
1965   EL_CHAR('L'),
1966   EL_CHAR('E'),
1967   EL_CHAR('M'),
1968
1969   EL_CHAR('E'),
1970   EL_CHAR('N'),
1971   EL_CHAR('T'),
1972   EL_CHAR('S'),
1973
1974   EL_CUSTOM_START + 0,
1975   EL_CUSTOM_START + 1,
1976   EL_CUSTOM_START + 2,
1977   EL_CUSTOM_START + 3,
1978
1979   EL_CUSTOM_START + 4,
1980   EL_CUSTOM_START + 5,
1981   EL_CUSTOM_START + 6,
1982   EL_CUSTOM_START + 7,
1983
1984   EL_CUSTOM_START + 8,
1985   EL_CUSTOM_START + 9,
1986   EL_CUSTOM_START + 10,
1987   EL_CUSTOM_START + 11,
1988
1989   EL_CUSTOM_START + 12,
1990   EL_CUSTOM_START + 13,
1991   EL_CUSTOM_START + 14,
1992   EL_CUSTOM_START + 15,
1993
1994   EL_CUSTOM_START + 16,
1995   EL_CUSTOM_START + 17,
1996   EL_CUSTOM_START + 18,
1997   EL_CUSTOM_START + 19,
1998
1999   EL_CUSTOM_START + 20,
2000   EL_CUSTOM_START + 21,
2001   EL_CUSTOM_START + 22,
2002   EL_CUSTOM_START + 23,
2003
2004   EL_CUSTOM_START + 24,
2005   EL_CUSTOM_START + 25,
2006   EL_CUSTOM_START + 26,
2007   EL_CUSTOM_START + 27,
2008
2009   EL_CUSTOM_START + 28,
2010   EL_CUSTOM_START + 29,
2011   EL_CUSTOM_START + 30,
2012   EL_CUSTOM_START + 31,
2013
2014   EL_CUSTOM_START + 32,
2015   EL_CUSTOM_START + 33,
2016   EL_CUSTOM_START + 34,
2017   EL_CUSTOM_START + 35,
2018
2019   EL_CUSTOM_START + 36,
2020   EL_CUSTOM_START + 37,
2021   EL_CUSTOM_START + 38,
2022   EL_CUSTOM_START + 39,
2023
2024   EL_CUSTOM_START + 40,
2025   EL_CUSTOM_START + 41,
2026   EL_CUSTOM_START + 42,
2027   EL_CUSTOM_START + 43,
2028
2029   EL_CUSTOM_START + 44,
2030   EL_CUSTOM_START + 45,
2031   EL_CUSTOM_START + 46,
2032   EL_CUSTOM_START + 47,
2033
2034   EL_CUSTOM_START + 48,
2035   EL_CUSTOM_START + 49,
2036   EL_CUSTOM_START + 50,
2037   EL_CUSTOM_START + 51,
2038
2039   EL_CUSTOM_START + 52,
2040   EL_CUSTOM_START + 53,
2041   EL_CUSTOM_START + 54,
2042   EL_CUSTOM_START + 55,
2043
2044   EL_CUSTOM_START + 56,
2045   EL_CUSTOM_START + 57,
2046   EL_CUSTOM_START + 58,
2047   EL_CUSTOM_START + 59,
2048
2049   EL_CUSTOM_START + 60,
2050   EL_CUSTOM_START + 61,
2051   EL_CUSTOM_START + 62,
2052   EL_CUSTOM_START + 63,
2053
2054   EL_CUSTOM_START + 64,
2055   EL_CUSTOM_START + 65,
2056   EL_CUSTOM_START + 66,
2057   EL_CUSTOM_START + 67,
2058
2059   EL_CUSTOM_START + 68,
2060   EL_CUSTOM_START + 69,
2061   EL_CUSTOM_START + 70,
2062   EL_CUSTOM_START + 71,
2063
2064   EL_CUSTOM_START + 72,
2065   EL_CUSTOM_START + 73,
2066   EL_CUSTOM_START + 74,
2067   EL_CUSTOM_START + 75,
2068
2069   EL_CUSTOM_START + 76,
2070   EL_CUSTOM_START + 77,
2071   EL_CUSTOM_START + 78,
2072   EL_CUSTOM_START + 79,
2073
2074   EL_CUSTOM_START + 80,
2075   EL_CUSTOM_START + 81,
2076   EL_CUSTOM_START + 82,
2077   EL_CUSTOM_START + 83,
2078
2079   EL_CUSTOM_START + 84,
2080   EL_CUSTOM_START + 85,
2081   EL_CUSTOM_START + 86,
2082   EL_CUSTOM_START + 87,
2083
2084   EL_CUSTOM_START + 88,
2085   EL_CUSTOM_START + 89,
2086   EL_CUSTOM_START + 90,
2087   EL_CUSTOM_START + 91,
2088
2089   EL_CUSTOM_START + 92,
2090   EL_CUSTOM_START + 93,
2091   EL_CUSTOM_START + 94,
2092   EL_CUSTOM_START + 95,
2093
2094   EL_CUSTOM_START + 96,
2095   EL_CUSTOM_START + 97,
2096   EL_CUSTOM_START + 98,
2097   EL_CUSTOM_START + 99,
2098
2099   EL_CUSTOM_START + 100,
2100   EL_CUSTOM_START + 101,
2101   EL_CUSTOM_START + 102,
2102   EL_CUSTOM_START + 103,
2103
2104   EL_CUSTOM_START + 104,
2105   EL_CUSTOM_START + 105,
2106   EL_CUSTOM_START + 106,
2107   EL_CUSTOM_START + 107,
2108
2109   EL_CUSTOM_START + 108,
2110   EL_CUSTOM_START + 109,
2111   EL_CUSTOM_START + 110,
2112   EL_CUSTOM_START + 111,
2113
2114   EL_CUSTOM_START + 112,
2115   EL_CUSTOM_START + 113,
2116   EL_CUSTOM_START + 114,
2117   EL_CUSTOM_START + 115,
2118
2119   EL_CUSTOM_START + 116,
2120   EL_CUSTOM_START + 117,
2121   EL_CUSTOM_START + 118,
2122   EL_CUSTOM_START + 119,
2123
2124   EL_CUSTOM_START + 120,
2125   EL_CUSTOM_START + 121,
2126   EL_CUSTOM_START + 122,
2127   EL_CUSTOM_START + 123,
2128
2129   EL_CUSTOM_START + 124,
2130   EL_CUSTOM_START + 125,
2131   EL_CUSTOM_START + 126,
2132   EL_CUSTOM_START + 127
2133 };
2134 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
2135
2136 static int *editor_elements = NULL;     /* dynamically allocated */
2137 static int num_editor_elements = 0;     /* dynamically determined */
2138
2139 static struct
2140 {
2141   boolean *setup_value;
2142   int *element_list;
2143   int *element_list_size;
2144
2145   boolean last_setup_value;
2146 }
2147 editor_elements_info[] =
2148 {
2149   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
2150     &num_editor_el_boulderdash                                          },
2151   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
2152     &num_editor_el_emerald_mine                                         },
2153   { &setup.editor.el_more,              editor_el_more,
2154     &num_editor_el_more                                                 },
2155   { &setup.editor.el_sokoban,           editor_el_sokoban,
2156     &num_editor_el_sokoban                                              },
2157   { &setup.editor.el_supaplex,          editor_el_supaplex,
2158     &num_editor_el_supaplex                                             },
2159   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
2160     &num_editor_el_diamond_caves                                        },
2161   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
2162     &num_editor_el_dx_boulderdash                                       },
2163   { &setup.editor.el_chars,             editor_el_chars,
2164     &num_editor_el_chars                                                },
2165   { &setup.editor.el_custom,            editor_el_custom,
2166     &num_editor_el_custom                                               },
2167   { NULL,                               NULL,
2168     NULL                                                                }
2169 };
2170
2171
2172 /*
2173   -----------------------------------------------------------------------------
2174   functions
2175   -----------------------------------------------------------------------------
2176 */
2177
2178 static void ReinitializeElementList()
2179 {
2180   int pos = 0;
2181   int i, j;
2182
2183   if (editor_elements != NULL)
2184     free(editor_elements);
2185
2186   num_editor_elements = 0;
2187
2188   /* determine size of element list */
2189   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2190     if (*editor_elements_info[i].setup_value)
2191       num_editor_elements += *editor_elements_info[i].element_list_size;
2192
2193   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
2194   {
2195     /* workaround: offer at least as many elements as element buttons exist */
2196     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
2197
2198     *editor_elements_info[list_nr].setup_value = TRUE;
2199     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
2200   }
2201
2202   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
2203
2204   /* fill element list */
2205   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2206     if (*editor_elements_info[i].setup_value)
2207       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
2208         editor_elements[pos++] = editor_elements_info[i].element_list[j];
2209 }
2210
2211 static void ReinitializeElementListButtons()
2212 {
2213   static boolean initialization_needed = TRUE;
2214   int i;
2215
2216   if (!initialization_needed)   /* check if editor element setup has changed */
2217     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2218       if (editor_elements_info[i].last_setup_value !=
2219           *editor_elements_info[i].setup_value)
2220         initialization_needed = TRUE;
2221
2222   if (!initialization_needed)
2223     return;
2224
2225   FreeLevelEditorGadgets();
2226   CreateLevelEditorGadgets();
2227
2228   /* store current setup values for next invocation of this function */
2229   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2230     editor_elements_info[i].last_setup_value =
2231       *editor_elements_info[i].setup_value;
2232
2233   initialization_needed = FALSE;
2234 }
2235
2236 static int getCounterGadgetWidth()
2237 {
2238   return (DXSIZE + getFontWidth(FONT_INPUT_1) - 2 * ED_GADGET_DISTANCE);
2239 }
2240
2241 static int getMaxInfoTextLength()
2242 {
2243   return (SXSIZE / getFontWidth(FONT_TEXT_2));
2244 }
2245
2246 static char *getElementInfoText(int element)
2247 {
2248   char *info_text = NULL;
2249
2250   if (element < NUM_FILE_ELEMENTS)
2251   {
2252     if (element_info[element].custom_description != NULL)
2253       info_text = element_info[element].custom_description;
2254     else if (element_info[element].editor_description != NULL)
2255       info_text = element_info[element].editor_description;
2256   }
2257
2258   if (info_text == NULL)
2259   {
2260     info_text = "unknown";
2261
2262     Error(ERR_WARN, "no element description for element %d", element);
2263   }
2264
2265   return info_text;
2266 }
2267
2268 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
2269 {
2270   int x,y;
2271   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
2272   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
2273
2274   BlitBitmap(drawto, drawto,
2275              SX + (dx == -1 ? MINI_TILEX : 0),
2276              SY + (dy == -1 ? MINI_TILEY : 0),
2277              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
2278              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
2279              SX + (dx == +1 ? MINI_TILEX : 0),
2280              SY + (dy == +1 ? MINI_TILEY : 0));
2281   if (dx)
2282   {
2283     x = (dx == 1 ? 0 : ed_fieldx - 1);
2284     for(y=0; y<ed_fieldy; y++)
2285       DrawMiniElementOrWall(x, y, from_x, from_y);
2286   }
2287   else if (dy)
2288   {
2289     y = (dy == 1 ? 0 : ed_fieldy - 1);
2290     for(x=0; x<ed_fieldx; x++)
2291       DrawMiniElementOrWall(x, y, from_x, from_y);
2292   }
2293
2294   redraw_mask |= REDRAW_FIELD;
2295   BackToFront();
2296 }
2297
2298 static void CreateControlButtons()
2299 {
2300   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2301   struct GadgetInfo *gi;
2302   unsigned long event_mask;
2303   int i;
2304
2305   /* create toolbox buttons */
2306   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2307   {
2308     int id = i;
2309     int width, height;
2310     int gd_xoffset, gd_yoffset;
2311     int gd_x1, gd_x2, gd_y1, gd_y2;
2312     int button_type;
2313     int radio_button_nr;
2314     boolean checked;
2315
2316     if (id == GADGET_ID_SINGLE_ITEMS ||
2317         id == GADGET_ID_CONNECTED_ITEMS ||
2318         id == GADGET_ID_LINE ||
2319         id == GADGET_ID_ARC ||
2320         id == GADGET_ID_TEXT ||
2321         id == GADGET_ID_RECTANGLE ||
2322         id == GADGET_ID_FILLED_BOX ||
2323         id == GADGET_ID_FLOOD_FILL ||
2324         id == GADGET_ID_GRAB_BRUSH ||
2325         id == GADGET_ID_PICK_ELEMENT)
2326     {
2327       button_type = GD_TYPE_RADIO_BUTTON;
2328       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
2329       checked = (id == drawing_function ? TRUE : FALSE);
2330       event_mask = GD_EVENT_PRESSED;
2331     }
2332     else
2333     {
2334       button_type = GD_TYPE_NORMAL_BUTTON;
2335       radio_button_nr = RADIO_NR_NONE;
2336       checked = FALSE;
2337
2338       if (id == GADGET_ID_WRAP_LEFT ||
2339           id == GADGET_ID_WRAP_RIGHT ||
2340           id == GADGET_ID_WRAP_UP ||
2341           id == GADGET_ID_WRAP_DOWN)
2342         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2343       else
2344         event_mask = GD_EVENT_RELEASED;
2345     }
2346
2347     if (id < ED_NUM_CTRL1_BUTTONS)
2348     {
2349       int x = i % ED_CTRL1_BUTTONS_HORIZ;
2350       int y = i / ED_CTRL1_BUTTONS_HORIZ;
2351
2352       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
2353       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
2354       width = ED_CTRL1_BUTTON_XSIZE;
2355       height = ED_CTRL1_BUTTON_YSIZE;
2356     }
2357     else
2358     {
2359       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
2360       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
2361
2362       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
2363       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
2364       width = ED_CTRL2_BUTTON_XSIZE;
2365       height = ED_CTRL2_BUTTON_YSIZE;
2366     }
2367
2368     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
2369     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
2370     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
2371     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
2372
2373     gi = CreateGadget(GDI_CUSTOM_ID, id,
2374                       GDI_CUSTOM_TYPE_ID, i,
2375                       GDI_INFO_TEXT, control_info[i].text,
2376                       GDI_X, EX + gd_xoffset,
2377                       GDI_Y, EY + gd_yoffset,
2378                       GDI_WIDTH, width,
2379                       GDI_HEIGHT, height,
2380                       GDI_TYPE, button_type,
2381                       GDI_STATE, GD_BUTTON_UNPRESSED,
2382                       GDI_RADIO_NR, radio_button_nr,
2383                       GDI_CHECKED, checked,
2384                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2385                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2386                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2387                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2388                       GDI_EVENT_MASK, event_mask,
2389                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2390                       GDI_CALLBACK_ACTION, HandleControlButtons,
2391                       GDI_END);
2392
2393     if (gi == NULL)
2394       Error(ERR_EXIT, "cannot create gadget");
2395
2396     level_editor_gadget[id] = gi;
2397   }
2398
2399   /* create buttons for scrolling of drawing area and element list */
2400   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
2401   {
2402     int id = scrollbutton_info[i].gadget_id;
2403     int x, y, width, height;
2404     int gd_x1, gd_x2, gd_y1, gd_y2;
2405
2406     x = scrollbutton_info[i].x;
2407     y = scrollbutton_info[i].y;
2408
2409     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2410
2411     if (id == GADGET_ID_SCROLL_LIST_UP ||
2412         id == GADGET_ID_SCROLL_LIST_DOWN)
2413     {
2414       x += DX;
2415       y += DY;
2416       width = ED_SCROLLBUTTON2_XSIZE;
2417       height = ED_SCROLLBUTTON2_YSIZE;
2418       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2419       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2420       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
2421       gd_y2 = gd_y1;
2422     }
2423     else
2424     {
2425       x += SX;
2426       y += SY;
2427       width = ED_SCROLLBUTTON_XSIZE;
2428       height = ED_SCROLLBUTTON_YSIZE;
2429       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2430       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2431       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2432       gd_y2 = gd_y1;
2433     }
2434
2435     gi = CreateGadget(GDI_CUSTOM_ID, id,
2436                       GDI_CUSTOM_TYPE_ID, i,
2437                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2438                       GDI_X, x,
2439                       GDI_Y, y,
2440                       GDI_WIDTH, width,
2441                       GDI_HEIGHT, height,
2442                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2443                       GDI_STATE, GD_BUTTON_UNPRESSED,
2444                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2445                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2446                       GDI_EVENT_MASK, event_mask,
2447                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2448                       GDI_CALLBACK_ACTION, HandleControlButtons,
2449                       GDI_END);
2450
2451     if (gi == NULL)
2452       Error(ERR_EXIT, "cannot create gadget");
2453
2454     level_editor_gadget[id] = gi;
2455   }
2456
2457   /* create buttons for element list */
2458   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2459   {
2460     Bitmap *deco_bitmap;
2461     int deco_x, deco_y, deco_xpos, deco_ypos;
2462     int gd_xoffset, gd_yoffset;
2463     int gd_x1, gd_x2, gd_y;
2464     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
2465     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
2466     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
2467     int element = editor_elements[i];
2468
2469     event_mask = GD_EVENT_RELEASED;
2470
2471     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
2472     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
2473
2474     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
2475     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
2476     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
2477
2478     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
2479     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
2480     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
2481
2482     gi = CreateGadget(GDI_CUSTOM_ID, id,
2483                       GDI_CUSTOM_TYPE_ID, i,
2484                       GDI_INFO_TEXT, getElementInfoText(element),
2485                       GDI_X, DX + gd_xoffset,
2486                       GDI_Y, DY + gd_yoffset,
2487                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
2488                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
2489                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2490                       GDI_STATE, GD_BUTTON_UNPRESSED,
2491                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2492                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2493                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2494                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2495                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2496                       GDI_DECORATION_SHIFTING, 1, 1,
2497                       GDI_EVENT_MASK, event_mask,
2498                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2499                       GDI_CALLBACK_ACTION, HandleControlButtons,
2500                       GDI_END);
2501
2502     if (gi == NULL)
2503       Error(ERR_EXIT, "cannot create gadget");
2504
2505     level_editor_gadget[id] = gi;
2506   }
2507 }
2508
2509 static void CreateCounterButtons()
2510 {
2511   int max_infotext_len = getMaxInfoTextLength();
2512   int i;
2513
2514   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
2515   {
2516     int j;
2517     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
2518     int ypos = SY + counterbutton_info[i].y;
2519     int xoffset = 0;
2520
2521     /* determine horizontal offset for leading counter text */
2522     if (counterbutton_info[i].text_left != NULL)
2523       xoffset = (getFontWidth(FONT_TEXT_1) *
2524                  strlen(counterbutton_info[i].text_left) +
2525                  ED_GADGET_TEXT_DISTANCE);
2526
2527     for (j=0; j<2; j++)
2528     {
2529       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2530       struct GadgetInfo *gi;
2531       int id = (j == 0 ?
2532                 counterbutton_info[i].gadget_id_down :
2533                 counterbutton_info[i].gadget_id_up);
2534       int gd_xoffset;
2535       int gd_x, gd_x1, gd_x2, gd_y;
2536       int x_size, y_size;
2537       unsigned long event_mask;
2538       char infotext[max_infotext_len + 1];
2539
2540       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2541
2542       if (i == ED_COUNTER_ID_SELECT_LEVEL)
2543       {
2544         int sid = (j == 0 ?
2545                    ED_SCROLLBUTTON_ID_AREA_LEFT :
2546                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
2547
2548         event_mask |= GD_EVENT_RELEASED;
2549
2550         if (j == 1)
2551           xpos += 2 * ED_GADGET_DISTANCE;
2552         ypos += ED_GADGET_DISTANCE;
2553
2554         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
2555         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2556         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
2557         x_size = ED_SCROLLBUTTON_XSIZE;
2558         y_size = ED_SCROLLBUTTON_YSIZE;
2559       }
2560       else
2561       {
2562         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
2563         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2564         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2565         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
2566         x_size = ED_BUTTON_COUNT_XSIZE;
2567         y_size = ED_BUTTON_COUNT_YSIZE;
2568       }
2569
2570       sprintf(infotext, "%s counter value by 1, 5 or 10",
2571               (j == 0 ? "decrease" : "increase"));
2572
2573       gi = CreateGadget(GDI_CUSTOM_ID, id,
2574                         GDI_CUSTOM_TYPE_ID, i,
2575                         GDI_INFO_TEXT, infotext,
2576                         GDI_X, xpos + xoffset,
2577                         GDI_Y, ypos,
2578                         GDI_WIDTH, x_size,
2579                         GDI_HEIGHT, y_size,
2580                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2581                         GDI_STATE, GD_BUTTON_UNPRESSED,
2582                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2583                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2584                         GDI_EVENT_MASK, event_mask,
2585                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2586                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2587                         GDI_END);
2588
2589       if (gi == NULL)
2590         Error(ERR_EXIT, "cannot create gadget");
2591
2592       level_editor_gadget[id] = gi;
2593       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
2594
2595       if (j == 0)
2596       {
2597         int font_type = FONT_INPUT_1;
2598         int font_type_active = FONT_INPUT_1_ACTIVE;
2599         int gd_width = ED_WIN_COUNT_XSIZE;
2600
2601         id = counterbutton_info[i].gadget_id_text;
2602         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2603
2604         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2605         {
2606           font_type = FONT_LEVEL_NUMBER;
2607           font_type_active = FONT_LEVEL_NUMBER;
2608
2609           xpos += 2 * ED_GADGET_DISTANCE;
2610           ypos -= ED_GADGET_DISTANCE;
2611
2612           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2613           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2614           gd_width = ED_WIN_COUNT2_XSIZE;
2615         }
2616         else
2617         {
2618           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2619           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2620         }
2621
2622         gi = CreateGadget(GDI_CUSTOM_ID, id,
2623                           GDI_CUSTOM_TYPE_ID, i,
2624                           GDI_INFO_TEXT, "enter counter value",
2625                           GDI_X, xpos + xoffset,
2626                           GDI_Y, ypos,
2627                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2628                           GDI_NUMBER_VALUE, 0,
2629                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2630                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2631                           GDI_TEXT_SIZE, 3,
2632                           GDI_TEXT_FONT, font_type,
2633                           GDI_TEXT_FONT_ACTIVE, font_type_active,
2634                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2635                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2636                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2637                           GDI_DESIGN_WIDTH, gd_width,
2638                           GDI_EVENT_MASK, event_mask,
2639                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2640                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2641                           GDI_END);
2642
2643         if (gi == NULL)
2644           Error(ERR_EXIT, "cannot create gadget");
2645
2646         level_editor_gadget[id] = gi;
2647         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
2648       }
2649     }
2650   }
2651 }
2652
2653 static void CreateDrawingAreas()
2654 {
2655   struct GadgetInfo *gi;
2656   unsigned long event_mask;
2657   int id;
2658   int i;
2659
2660   event_mask =
2661     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
2662     GD_EVENT_OFF_BORDERS;
2663
2664   /* one for the level drawing area ... */
2665   id = GADGET_ID_DRAWING_LEVEL;
2666   gi = CreateGadget(GDI_CUSTOM_ID, id,
2667                     GDI_X, SX,
2668                     GDI_Y, SY,
2669                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2670                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2671                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2672                     GDI_EVENT_MASK, event_mask,
2673                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2674                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2675                     GDI_END);
2676
2677   if (gi == NULL)
2678     Error(ERR_EXIT, "cannot create gadget");
2679
2680   level_editor_gadget[id] = gi;
2681
2682   /* ... up to eight areas for element content ... */
2683   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2684   {
2685     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
2686     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
2687
2688     id = GADGET_ID_ELEMENT_CONTENT_0 + i;
2689     gi = CreateGadget(GDI_CUSTOM_ID, id,
2690                       GDI_CUSTOM_TYPE_ID, i,
2691                       GDI_X, gx,
2692                       GDI_Y, gy,
2693                       GDI_WIDTH, 3 * MINI_TILEX,
2694                       GDI_HEIGHT, 3 * MINI_TILEY,
2695                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2696                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2697                       GDI_EVENT_MASK, event_mask,
2698                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2699                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2700                       GDI_END);
2701
2702     if (gi == NULL)
2703       Error(ERR_EXIT, "cannot create gadget");
2704
2705     level_editor_gadget[id] = gi;
2706   }
2707
2708   /* ... one for the amoeba content ... */
2709   id = GADGET_ID_AMOEBA_CONTENT;
2710   gi = CreateGadget(GDI_CUSTOM_ID, id,
2711                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2712                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2713                     GDI_WIDTH, MINI_TILEX,
2714                     GDI_HEIGHT, MINI_TILEY,
2715                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2716                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2717                     GDI_EVENT_MASK, event_mask,
2718                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2719                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2720                     GDI_END);
2721
2722   if (gi == NULL)
2723     Error(ERR_EXIT, "cannot create gadget");
2724
2725   level_editor_gadget[id] = gi;
2726
2727   /* ... one for each custom element optional graphic element ... */
2728   id = GADGET_ID_CUSTOM_GRAPHIC;
2729   gi = CreateGadget(GDI_CUSTOM_ID, id,
2730                     GDI_X, SX + ED_AREA_ELEM_CONTENT3_XPOS,
2731                     GDI_Y, SY + ED_AREA_ELEM_CONTENT3_YPOS,
2732                     GDI_WIDTH, MINI_TILEX,
2733                     GDI_HEIGHT, MINI_TILEY,
2734                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2735                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2736                     GDI_EVENT_MASK, event_mask,
2737                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2738                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2739                     GDI_END);
2740
2741   if (gi == NULL)
2742     Error(ERR_EXIT, "cannot create gadget");
2743
2744   level_editor_gadget[id] = gi;
2745
2746   /* ... one areas for custom element explosion content ... */
2747   id = GADGET_ID_CUSTOM_CONTENT;
2748   gi = CreateGadget(GDI_CUSTOM_ID, id,
2749                     GDI_CUSTOM_TYPE_ID, i,
2750                     GDI_X, SX + ED_AREA_ELEM_CONTENT4_XPOS,
2751                     GDI_Y, SX + ED_AREA_ELEM_CONTENT4_YPOS,
2752                     GDI_WIDTH, 3 * MINI_TILEX,
2753                     GDI_HEIGHT, 3 * MINI_TILEY,
2754                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2755                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2756                     GDI_EVENT_MASK, event_mask,
2757                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2758                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2759                     GDI_END);
2760
2761   if (gi == NULL)
2762     Error(ERR_EXIT, "cannot create gadget");
2763
2764   level_editor_gadget[id] = gi;
2765
2766   /* ... one for each custom element change target element ... */
2767   id = GADGET_ID_CUSTOM_CHANGE_TARGET;
2768   gi = CreateGadget(GDI_CUSTOM_ID, id,
2769                     GDI_X, SX + ED_AREA_ELEM_CONTENT2_XPOS,
2770                     GDI_Y, SY + ED_AREA_ELEM_CONTENT2_YPOS,
2771                     GDI_WIDTH, MINI_TILEX,
2772                     GDI_HEIGHT, MINI_TILEY,
2773                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2774                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2775                     GDI_EVENT_MASK, event_mask,
2776                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2777                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2778                     GDI_END);
2779
2780   if (gi == NULL)
2781     Error(ERR_EXIT, "cannot create gadget");
2782
2783   level_editor_gadget[id] = gi;
2784
2785   /* ... one for each custom element change trigger element ... */
2786   id = GADGET_ID_CUSTOM_CHANGE_TRIGGER;
2787   gi = CreateGadget(GDI_CUSTOM_ID, id,
2788                     GDI_X, SX + ED_AREA_ELEM_CONTENT5_XPOS,
2789                     GDI_Y, SY + ED_AREA_ELEM_CONTENT5_YPOS,
2790                     GDI_WIDTH, MINI_TILEX,
2791                     GDI_HEIGHT, MINI_TILEY,
2792                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2793                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2794                     GDI_EVENT_MASK, event_mask,
2795                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2796                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2797                     GDI_END);
2798
2799   if (gi == NULL)
2800     Error(ERR_EXIT, "cannot create gadget");
2801
2802   level_editor_gadget[id] = gi;
2803
2804   /* ... and one for random placement background restrictions */
2805   id = GADGET_ID_RANDOM_BACKGROUND;
2806   gi = CreateGadget(GDI_CUSTOM_ID, id,
2807                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2808                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2809                     GDI_WIDTH, MINI_TILEX,
2810                     GDI_HEIGHT, MINI_TILEY,
2811                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2812                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2813                     GDI_EVENT_MASK, event_mask,
2814                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2815                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2816                     GDI_END);
2817
2818   if (gi == NULL)
2819     Error(ERR_EXIT, "cannot create gadget");
2820
2821   level_editor_gadget[id] = gi;
2822 }
2823
2824 static void CreateTextInputGadgets()
2825 {
2826   int max_infotext_len = getMaxInfoTextLength();
2827   int i;
2828
2829   for (i=0; i<ED_NUM_TEXTINPUT; i++)
2830   {
2831     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2832     int gd_x, gd_y;
2833     struct GadgetInfo *gi;
2834     unsigned long event_mask;
2835     char infotext[MAX_OUTPUT_LINESIZE + 1];
2836     int id = textinput_info[i].gadget_id;
2837
2838     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2839
2840     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2841     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2842
2843     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
2844     infotext[max_infotext_len] = '\0';
2845
2846     gi = CreateGadget(GDI_CUSTOM_ID, id,
2847                       GDI_CUSTOM_TYPE_ID, i,
2848                       GDI_INFO_TEXT, infotext,
2849                       GDI_X, SX + textinput_info[i].x,
2850                       GDI_Y, SY + textinput_info[i].y,
2851                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
2852                       GDI_TEXT_VALUE, textinput_info[i].value,
2853                       GDI_TEXT_SIZE, textinput_info[i].size,
2854                       GDI_TEXT_FONT, FONT_INPUT_1,
2855                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2856                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2857                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2858                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2859                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2860                       GDI_EVENT_MASK, event_mask,
2861                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2862                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
2863                       GDI_END);
2864
2865     if (gi == NULL)
2866       Error(ERR_EXIT, "cannot create gadget");
2867
2868     level_editor_gadget[id] = gi;
2869   }
2870 }
2871
2872 static void CreateSelectboxGadgets()
2873 {
2874   int max_infotext_len = getMaxInfoTextLength();
2875   int i, j;
2876
2877   for (i=0; i<ED_NUM_SELECTBOX; i++)
2878   {
2879     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2880     int gd_x, gd_y;
2881     int xoffset = 0;
2882     struct GadgetInfo *gi;
2883     unsigned long event_mask;
2884     char infotext[MAX_OUTPUT_LINESIZE + 1];
2885     int id = selectbox_info[i].gadget_id;
2886
2887     if (selectbox_info[i].size == -1)   /* dynamically determine size */
2888     {
2889       /* (we cannot use -1 for uninitialized values if we directly compare
2890          with results from strlen(), because the '<' and '>' operation will
2891          implicitely cast -1 to an unsigned integer value!) */
2892       selectbox_info[i].size = 0;
2893
2894       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
2895         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
2896           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
2897
2898       selectbox_info[i].size++;         /* add one character empty space */
2899     }
2900
2901     event_mask = GD_EVENT_RELEASED |
2902       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2903
2904     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
2905     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
2906
2907     /* determine horizontal offset for leading selectbox text */
2908     if (selectbox_info[i].text_left != NULL)
2909       xoffset = (getFontWidth(FONT_TEXT_1) *
2910                  strlen(selectbox_info[i].text_left) +
2911                  ED_GADGET_TEXT_DISTANCE);
2912
2913     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
2914     infotext[max_infotext_len] = '\0';
2915
2916     gi = CreateGadget(GDI_CUSTOM_ID, id,
2917                       GDI_CUSTOM_TYPE_ID, i,
2918                       GDI_INFO_TEXT, infotext,
2919                       GDI_X, SX + selectbox_info[i].x + xoffset,
2920                       GDI_Y, SY + selectbox_info[i].y,
2921                       GDI_TYPE, GD_TYPE_SELECTBOX,
2922                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
2923                       GDI_TEXT_SIZE, selectbox_info[i].size,
2924                       GDI_TEXT_FONT, FONT_INPUT_1,
2925                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2926                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2927                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2928                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2929                       GDI_BORDER_SIZE_SELECTBUTTON, getFontWidth(FONT_INPUT_1),
2930                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2931                       GDI_EVENT_MASK, event_mask,
2932                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2933                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
2934                       GDI_END);
2935
2936     if (gi == NULL)
2937       Error(ERR_EXIT, "cannot create gadget");
2938
2939     level_editor_gadget[id] = gi;
2940   }
2941 }
2942
2943 static void CreateTextbuttonGadgets()
2944 {
2945   int max_infotext_len = getMaxInfoTextLength();
2946   int i;
2947
2948   for (i=0; i<ED_NUM_TEXTBUTTON; i++)
2949   {
2950     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2951     int gd_x1, gd_x2, gd_y1, gd_y2;
2952     struct GadgetInfo *gi;
2953     unsigned long event_mask;
2954     char infotext[MAX_OUTPUT_LINESIZE + 1];
2955     int id = textbutton_info[i].gadget_id;
2956
2957     if (textbutton_info[i].size == -1)  /* dynamically determine size */
2958       textbutton_info[i].size = strlen(textbutton_info[i].text);
2959
2960     event_mask = GD_EVENT_RELEASED;
2961
2962     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
2963     {
2964       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
2965       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
2966       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
2967       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
2968     }
2969     else
2970     {
2971       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
2972       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
2973       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
2974       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
2975     }
2976
2977     sprintf(infotext, "%s", textbutton_info[i].infotext);
2978     infotext[max_infotext_len] = '\0';
2979
2980     gi = CreateGadget(GDI_CUSTOM_ID, id,
2981                       GDI_CUSTOM_TYPE_ID, i,
2982                       GDI_INFO_TEXT, infotext,
2983                       GDI_X, SX + textbutton_info[i].x,
2984                       GDI_Y, SY + textbutton_info[i].y,
2985                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
2986                       GDI_TEXT_VALUE, textbutton_info[i].text,
2987                       GDI_TEXT_SIZE, textbutton_info[i].size,
2988                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
2989                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
2990                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2991                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2992                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2993                       GDI_BORDER_SIZE, ED_BORDER2_SIZE, ED_BORDER_SIZE,
2994                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2995                       GDI_DECORATION_SHIFTING, 1, 1,
2996                       GDI_EVENT_MASK, event_mask,
2997                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2998                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
2999                       GDI_END);
3000
3001     if (gi == NULL)
3002       Error(ERR_EXIT, "cannot create gadget");
3003
3004     level_editor_gadget[id] = gi;
3005   }
3006 }
3007
3008 static void CreateScrollbarGadgets()
3009 {
3010   int i;
3011
3012   for (i=0; i<ED_NUM_SCROLLBARS; i++)
3013   {
3014     int id = scrollbar_info[i].gadget_id;
3015     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3016     int gd_x1, gd_x2, gd_y1, gd_y2;
3017     struct GadgetInfo *gi;
3018     int items_max, items_visible, item_position;
3019     unsigned long event_mask;
3020
3021     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
3022     {
3023       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
3024       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
3025       item_position = 0;
3026     }
3027     else        /* drawing area scrollbars */
3028     {
3029       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
3030       {
3031         items_max = MAX(lev_fieldx + 2, ed_fieldx);
3032         items_visible = ed_fieldx;
3033         item_position = 0;
3034       }
3035       else
3036       {
3037         items_max = MAX(lev_fieldy + 2, ed_fieldy);
3038         items_visible = ed_fieldy;
3039         item_position = 0;
3040       }
3041     }
3042
3043     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
3044
3045     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
3046     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
3047                       scrollbar_info[i].height : scrollbar_info[i].width));
3048     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3049     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3050
3051     gi = CreateGadget(GDI_CUSTOM_ID, id,
3052                       GDI_CUSTOM_TYPE_ID, i,
3053                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
3054                       GDI_X, scrollbar_info[i].x,
3055                       GDI_Y, scrollbar_info[i].y,
3056                       GDI_WIDTH, scrollbar_info[i].width,
3057                       GDI_HEIGHT, scrollbar_info[i].height,
3058                       GDI_TYPE, scrollbar_info[i].type,
3059                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
3060                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3061                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
3062                       GDI_STATE, GD_BUTTON_UNPRESSED,
3063                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3064                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3065                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3066                       GDI_EVENT_MASK, event_mask,
3067                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3068                       GDI_CALLBACK_ACTION, HandleControlButtons,
3069                       GDI_END);
3070
3071     if (gi == NULL)
3072       Error(ERR_EXIT, "cannot create gadget");
3073
3074     level_editor_gadget[id] = gi;
3075   }
3076 }
3077
3078 static void CreateCheckbuttonGadgets()
3079 {
3080   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3081   struct GadgetInfo *gi;
3082   unsigned long event_mask;
3083   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3084   boolean checked;
3085   int i;
3086
3087   event_mask = GD_EVENT_PRESSED;
3088
3089   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3090   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3091   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3092   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3093   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3094
3095   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
3096   {
3097     int id = radiobutton_info[i].gadget_id;
3098
3099     checked =
3100       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3101
3102     gi = CreateGadget(GDI_CUSTOM_ID, id,
3103                       GDI_CUSTOM_TYPE_ID, i,
3104                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
3105                       GDI_X, SX + radiobutton_info[i].x,
3106                       GDI_Y, SY + radiobutton_info[i].y,
3107                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3108                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3109                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
3110                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
3111                       GDI_CHECKED, checked,
3112                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3113                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3114                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3115                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3116                       GDI_EVENT_MASK, event_mask,
3117                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3118                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
3119                       GDI_END);
3120
3121     if (gi == NULL)
3122       Error(ERR_EXIT, "cannot create gadget");
3123
3124     level_editor_gadget[id] = gi;
3125   }
3126
3127   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
3128   {
3129     int id = checkbutton_info[i].gadget_id;
3130
3131     if (id == GADGET_ID_STICK_ELEMENT)
3132       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
3133     else
3134       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
3135
3136     gi = CreateGadget(GDI_CUSTOM_ID, id,
3137                       GDI_CUSTOM_TYPE_ID, i,
3138                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
3139                       GDI_X, SX + checkbutton_info[i].x,
3140                       GDI_Y, SY + checkbutton_info[i].y,
3141                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3142                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3143                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
3144                       GDI_CHECKED, *checkbutton_info[i].value,
3145                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3146                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3147                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3148                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3149                       GDI_EVENT_MASK, event_mask,
3150                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3151                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
3152                       GDI_END);
3153
3154     if (gi == NULL)
3155       Error(ERR_EXIT, "cannot create gadget");
3156
3157     level_editor_gadget[id] = gi;
3158   }
3159 }
3160
3161 void CreateLevelEditorGadgets()
3162 {
3163   int old_game_status = game_status;
3164
3165   /* setting 'game_status' is needed to get the right fonts for the editor */
3166   game_status = GAME_MODE_EDITOR;
3167
3168   ReinitializeElementList();
3169
3170   CreateControlButtons();
3171   CreateCounterButtons();
3172   CreateDrawingAreas();
3173   CreateTextInputGadgets();
3174   CreateSelectboxGadgets();
3175   CreateTextbuttonGadgets();
3176   CreateScrollbarGadgets();
3177   CreateCheckbuttonGadgets();
3178
3179   game_status = old_game_status;
3180 }
3181
3182 void FreeLevelEditorGadgets()
3183 {
3184   int i;
3185
3186   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3187     FreeGadget(level_editor_gadget[i]);
3188 }
3189
3190 static void MapCounterButtons(int id)
3191 {
3192   char infotext[MAX_OUTPUT_LINESIZE + 1];
3193   int max_infotext_len = getMaxInfoTextLength();
3194   int xoffset_above = 0;
3195   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3196   int xoffset_left = 0;
3197   int yoffset_left = ED_BORDER_SIZE;
3198   int xoffset_right = getCounterGadgetWidth();
3199   int yoffset_right = ED_BORDER_SIZE;
3200   int x, y;
3201
3202   if (counterbutton_info[id].text_above)
3203   {
3204     x = SX + counterbutton_info[id].x + xoffset_above;
3205     y = SY + counterbutton_info[id].y + yoffset_above;
3206
3207     sprintf(infotext, "%s:", counterbutton_info[id].text_above);
3208     infotext[max_infotext_len] = '\0';
3209     DrawText(x, y, infotext, FONT_TEXT_1);
3210   }
3211
3212   if (counterbutton_info[id].text_left)
3213   {
3214     x = SX + counterbutton_info[id].x + xoffset_left;
3215     y = SY + counterbutton_info[id].y + yoffset_left;
3216
3217     sprintf(infotext, "%s", counterbutton_info[id].text_left);
3218     infotext[max_infotext_len] = '\0';
3219     DrawText(x, y, infotext, FONT_TEXT_1);
3220   }
3221
3222   if (counterbutton_info[id].text_right)
3223   {
3224     int gadget_id = counterbutton_info[id].gadget_id_down;
3225
3226     x = level_editor_gadget[gadget_id]->x + xoffset_right;
3227     y = SY + counterbutton_info[id].y + yoffset_right;
3228
3229     sprintf(infotext, "%s", counterbutton_info[id].text_right);
3230     infotext[max_infotext_len] = '\0';
3231     DrawText(x, y, infotext, FONT_TEXT_1);
3232   }
3233
3234   ModifyEditorCounter(id, *counterbutton_info[id].value);
3235
3236   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
3237   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
3238   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
3239 }
3240
3241 static void MapControlButtons()
3242 {
3243   int counter_id;
3244   int i;
3245
3246   /* map toolbox buttons */
3247   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
3248     MapGadget(level_editor_gadget[i]);
3249
3250   /* map buttons to select elements */
3251   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3252     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
3253   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
3254   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
3255   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
3256
3257   /* map buttons to select level */
3258   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
3259   ModifyEditorCounterLimits(counter_id,
3260                             leveldir_current->first_level,
3261                             leveldir_current->last_level);
3262   MapCounterButtons(counter_id);
3263 }
3264
3265 static void MapDrawingArea(int id)
3266 {
3267   MapGadget(level_editor_gadget[id]);
3268 }
3269
3270 static void MapTextInputGadget(int id)
3271 {
3272   char infotext[MAX_OUTPUT_LINESIZE + 1];
3273   int max_infotext_len = getMaxInfoTextLength();
3274   int xoffset_above = 0;
3275   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3276   int x = textinput_info[id].x + xoffset_above;
3277   int y = textinput_info[id].y + yoffset_above;
3278
3279   sprintf(infotext, "%s:", textinput_info[id].infotext);
3280   infotext[max_infotext_len] = '\0';
3281   DrawTextF(x, y, FONT_TEXT_1, infotext);
3282
3283   ModifyGadget(level_editor_gadget[textinput_info[id].gadget_id],
3284                GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
3285
3286   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
3287 }
3288
3289 static void MapSelectboxGadget(int id)
3290 {
3291   int xoffset_left = 0;
3292   int yoffset_left = ED_BORDER_SIZE;
3293   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
3294   int yoffset_right = ED_BORDER_SIZE;
3295   int x = selectbox_info[id].x + xoffset_left;
3296   int y = selectbox_info[id].y + yoffset_left;
3297
3298   DrawTextF(x, y, FONT_TEXT_1, selectbox_info[id].text_left);
3299
3300   if (selectbox_info[id].text_right)
3301   {
3302     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
3303
3304     x = gi->x + gi->width + xoffset_right;
3305     y = SY + selectbox_info[id].y + yoffset_right;
3306
3307     DrawText(x, y, selectbox_info[id].text_right, FONT_TEXT_1);
3308   }
3309
3310   ModifyEditorSelectbox(id, *selectbox_info[id].value);
3311
3312   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
3313 }
3314
3315 static void MapTextbuttonGadget(int id)
3316 {
3317   MapGadget(level_editor_gadget[textbutton_info[id].gadget_id]);
3318 }
3319
3320 static void MapRadiobuttonGadget(int id)
3321 {
3322   int xoffset_right = ED_XOFFSET_CHECKBOX;
3323   int yoffset_right = ED_BORDER_SIZE;
3324   int x = radiobutton_info[id].x + xoffset_right;
3325   int y = radiobutton_info[id].y + yoffset_right;
3326   boolean checked =
3327     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
3328
3329   DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[id].text_right);
3330   ModifyGadget(level_editor_gadget[radiobutton_info[id].gadget_id],
3331                GDI_CHECKED, checked, GDI_END);
3332
3333   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
3334 }
3335
3336 static void MapCheckbuttonGadget(int id)
3337 {
3338   int xoffset_right = ED_XOFFSET_CHECKBOX;
3339   int yoffset_right = ED_BORDER_SIZE;
3340   int x = checkbutton_info[id].x + xoffset_right;
3341   int y = checkbutton_info[id].y + yoffset_right;
3342
3343   DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[id].text_right);
3344   ModifyGadget(level_editor_gadget[checkbutton_info[id].gadget_id],
3345                GDI_CHECKED, *checkbutton_info[id].value,
3346                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
3347
3348   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
3349 }
3350
3351 static void MapMainDrawingArea()
3352 {
3353   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
3354   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
3355   int i;
3356
3357   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
3358   {
3359     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
3360           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
3361          no_horizontal_scrollbar) ||
3362         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
3363           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
3364          no_vertical_scrollbar))
3365       continue;
3366
3367     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
3368   }
3369
3370   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
3371   {
3372     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
3373         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
3374       continue;
3375
3376     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
3377   }
3378
3379   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
3380 }
3381
3382 static void UnmapDrawingArea(int id)
3383 {
3384   UnmapGadget(level_editor_gadget[id]);
3385 }
3386
3387 void UnmapLevelEditorWindowGadgets()
3388 {
3389   int i;
3390
3391   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3392     if (level_editor_gadget[i]->x < SX + SXSIZE)
3393       UnmapGadget(level_editor_gadget[i]);
3394 }
3395
3396 void UnmapLevelEditorGadgets()
3397 {
3398   int i;
3399
3400   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3401     UnmapGadget(level_editor_gadget[i]);
3402 }
3403
3404 static void ResetUndoBuffer()
3405 {
3406   undo_buffer_position = -1;
3407   undo_buffer_steps = -1;
3408   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3409 }
3410
3411 static void DrawEditModeWindow()
3412 {
3413   if (edit_mode == ED_MODE_INFO)
3414     DrawLevelInfoWindow();
3415   else if (edit_mode == ED_MODE_PROPERTIES)
3416     DrawPropertiesWindow();
3417   else  /* edit_mode == ED_MODE_DRAWING */
3418     DrawDrawingWindow();
3419 }
3420
3421 static boolean LevelChanged()
3422 {
3423   boolean level_changed = FALSE;
3424   int x, y;
3425
3426   for(y=0; y<lev_fieldy; y++)
3427     for(x=0; x<lev_fieldx; x++)
3428       if (Feld[x][y] != Ur[x][y])
3429         level_changed = TRUE;
3430
3431   return level_changed;
3432 }
3433
3434 static boolean LevelContainsPlayer()
3435 {
3436   boolean player_found = FALSE;
3437   int x, y;
3438
3439   for(y=0; y<lev_fieldy; y++)
3440     for(x=0; x<lev_fieldx; x++)
3441       if (Feld[x][y] == EL_PLAYER_1 ||
3442           Feld[x][y] == EL_SP_MURPHY)
3443         player_found = TRUE;
3444
3445   return player_found;
3446 }
3447
3448 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
3449                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
3450 {
3451   int x, y;
3452
3453   for(x=0; x<lev_fieldx; x++)
3454     for(y=0; y<lev_fieldy; y++)
3455       dst[x][y] = src[x][y];
3456 }
3457
3458 static void CopyCustomElementPropertiesToEditor(int element)
3459 {
3460   int i;
3461
3462   custom_element = element_info[properties_element];
3463
3464   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3465     custom_element_properties[i] = HAS_PROPERTY(element, i);
3466
3467   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3468     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
3469
3470   /* set walk-to-object action selectbox help value */
3471   value_walk_to_action =
3472     (IS_DIGGABLE(element) ? EP_DIGGABLE :
3473      IS_COLLECTIBLE(element) ? EP_COLLECTIBLE :
3474      IS_PUSHABLE(element) ? EP_PUSHABLE :
3475      EP_DIGGABLE);
3476   custom_element_properties[EP_WALK_TO_OBJECT] =
3477     (IS_DIGGABLE(element) ||
3478      IS_COLLECTIBLE(element) ||
3479      IS_PUSHABLE(element));
3480
3481   /* set consistency selectbox help value */
3482   value_consistency =
3483     (CAN_EXPLODE(element) ? EP_CAN_EXPLODE :
3484      IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
3485      EP_CAN_EXPLODE);
3486   custom_element_properties[EP_EXPLODE_RESULT] =
3487     (CAN_EXPLODE(element) ||
3488      IS_INDESTRUCTIBLE(element));
3489
3490   /* set deadliness selectbox help value */
3491   value_deadliness =
3492     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
3493      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
3494      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
3495      EP_DONT_RUN_INTO);
3496   custom_element_properties[EP_DEADLY] =
3497     (DONT_TOUCH(element) ||
3498      DONT_COLLIDE_WITH(element) ||
3499      DONT_RUN_INTO(element));
3500
3501   /* set smash targets selectbox help value */
3502   value_smash_targets =
3503     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
3504      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
3505      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
3506      EP_CAN_SMASH_PLAYER);
3507   custom_element_properties[EP_CAN_SMASH] =
3508     (CAN_SMASH_EVERYTHING(element) ||
3509      CAN_SMASH_ENEMIES(element) ||
3510      CAN_SMASH_PLAYER(element));
3511
3512   /* set walkable layer selectbox help value */
3513   value_walkable_layer =
3514     (IS_WALKABLE_OVER(element) ? EP_WALKABLE_OVER :
3515      IS_WALKABLE_INSIDE(element) ? EP_WALKABLE_INSIDE :
3516      IS_WALKABLE_UNDER(element) ? EP_WALKABLE_UNDER :
3517      EP_WALKABLE_OVER);
3518   custom_element_properties[EP_WALKABLE] =
3519     (IS_WALKABLE_OVER(element) ||
3520      IS_WALKABLE_INSIDE(element) ||
3521      IS_WALKABLE_UNDER(element));
3522
3523   /* set change by player selectbox help value */
3524   value_change_player_action =
3525     (HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
3526      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
3527      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
3528      CE_PRESSED_BY_PLAYER);
3529
3530   /* set change by impact/smash selectbox help value */
3531   value_change_impact_action =
3532     (HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
3533      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
3534      CE_IMPACT);
3535
3536   /* set change by other element action selectbox help value */
3537   value_change_other_action =
3538     (HAS_CHANGE_EVENT(element, CE_OTHER_EXPLODING) ? CE_OTHER_EXPLODING :
3539      HAS_CHANGE_EVENT(element, CE_OTHER_CHANGING) ? CE_OTHER_CHANGING :
3540      HAS_CHANGE_EVENT(element, CE_OTHER_PUSHING) ? CE_OTHER_PUSHING :
3541      HAS_CHANGE_EVENT(element, CE_OTHER_COLLECTING) ? CE_OTHER_COLLECTING :
3542      CE_OTHER_COLLECTING);
3543 }
3544
3545 static void CopyCustomElementPropertiesToGame(int element)
3546 {
3547   int i;
3548
3549   element_info[properties_element] = custom_element;
3550
3551   /* set walk-to-object property from checkbox and selectbox */
3552   custom_element_properties[EP_DIGGABLE] = FALSE;
3553   custom_element_properties[EP_COLLECTIBLE] = FALSE;
3554   custom_element_properties[EP_PUSHABLE] = FALSE;
3555   custom_element_properties[value_walk_to_action] =
3556     custom_element_properties[EP_WALK_TO_OBJECT];
3557
3558   /* set consistency property from checkbox and selectbox */
3559   custom_element_properties[EP_CAN_EXPLODE] = FALSE;
3560   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
3561   custom_element_properties[value_consistency] =
3562     custom_element_properties[EP_EXPLODE_RESULT];
3563
3564   /* set deadliness property from checkbox and selectbox */
3565   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
3566   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
3567   custom_element_properties[EP_DONT_TOUCH] = FALSE;
3568   custom_element_properties[value_deadliness] =
3569     custom_element_properties[EP_DEADLY];
3570
3571   /* set smash property from checkbox and selectbox */
3572   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
3573   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
3574   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
3575   custom_element_properties[value_smash_targets] =
3576     custom_element_properties[EP_CAN_SMASH];
3577
3578   /* set walkable property from checkbox and selectbox */
3579   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
3580   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
3581   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
3582   custom_element_properties[value_walkable_layer] =
3583     custom_element_properties[EP_WALKABLE];
3584
3585   /* set player change event from checkbox and selectbox */
3586   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
3587   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
3588   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
3589   custom_element_change_events[value_change_player_action] =
3590     custom_element_change_events[CE_BY_PLAYER];
3591
3592   /* set player change event from checkbox and selectbox */
3593   custom_element_change_events[CE_IMPACT] = FALSE;
3594   custom_element_change_events[CE_SMASHED] = FALSE;
3595   custom_element_change_events[value_change_impact_action] =
3596     custom_element_change_events[CE_IMPACT_SMASHED];
3597
3598   /* set other element action change event from checkbox and selectbox */
3599   custom_element_change_events[CE_OTHER_COLLECTING] = FALSE;
3600   custom_element_change_events[CE_OTHER_PUSHING] = FALSE;
3601   custom_element_change_events[CE_OTHER_CHANGING] = FALSE;
3602   custom_element_change_events[CE_OTHER_EXPLODING] = FALSE;
3603   custom_element_change_events[value_change_other_action] =
3604     custom_element_change_events[CE_BY_OTHER];
3605
3606   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3607     SET_PROPERTY(element, i, custom_element_properties[i]);
3608
3609   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3610     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
3611
3612   /* copy change events also to special level editor variable */
3613   custom_element = element_info[properties_element];
3614 }
3615
3616 void DrawLevelEd()
3617 {
3618   CloseDoor(DOOR_CLOSE_ALL);
3619   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
3620
3621   if (level_editor_test_game)
3622   {
3623     CopyPlayfield(Ur, Feld);
3624     CopyPlayfield(FieldBackup, Ur);
3625
3626     level_editor_test_game = FALSE;
3627   }
3628   else
3629   {
3630     edit_mode = ED_MODE_DRAWING;
3631     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
3632
3633     ResetUndoBuffer();
3634
3635     level_xpos = -1;
3636     level_ypos = -1;
3637   }
3638
3639   /* copy default editor door content to main double buffer */
3640   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3641              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
3642
3643   /* draw mouse button brush elements */
3644   DrawMiniGraphicExt(drawto,
3645                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3646                      el2edimg(new_element1));
3647   DrawMiniGraphicExt(drawto,
3648                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3649                      el2edimg(new_element2));
3650   DrawMiniGraphicExt(drawto,
3651                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3652                      el2edimg(new_element3));
3653
3654   /* draw bigger door */
3655   DrawSpecialEditorDoor();
3656
3657   /* draw new control window */
3658   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3659              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
3660
3661   redraw_mask |= REDRAW_ALL;
3662
3663   ReinitializeElementListButtons();     /* only needed after setup changes */
3664
3665   UnmapTapeButtons();
3666   MapControlButtons();
3667
3668   /* copy actual editor door content to door double buffer for OpenDoor() */
3669   BlitBitmap(drawto, bitmap_db_door,
3670              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
3671
3672   DrawEditModeWindow();
3673
3674   OpenDoor(DOOR_OPEN_1);
3675 }
3676
3677 static void AdjustDrawingAreaGadgets()
3678 {
3679   int ed_xsize = lev_fieldx + 2;
3680   int ed_ysize = lev_fieldy + 2;
3681   int max_ed_fieldx = MAX_ED_FIELDX;
3682   int max_ed_fieldy = MAX_ED_FIELDY;
3683   boolean horizontal_scrollbar_needed;
3684   boolean vertical_scrollbar_needed;
3685   int x, y, width, height;
3686   int xoffset, yoffset;
3687
3688   /* check if we need any scrollbars */
3689   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3690   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3691
3692   /* check if we have a smaller editor field because of scrollbars */
3693   if (horizontal_scrollbar_needed)
3694     max_ed_fieldy = MAX_ED_FIELDY - 1;
3695   if (vertical_scrollbar_needed)
3696     max_ed_fieldx = MAX_ED_FIELDX - 1;
3697
3698   /* check again if we now need more scrollbars because of less space */
3699   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3700   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3701
3702   /* check if editor field gets even smaller after adding new scrollbars */
3703   if (horizontal_scrollbar_needed)
3704     max_ed_fieldy = MAX_ED_FIELDY - 1;
3705   if (vertical_scrollbar_needed)
3706     max_ed_fieldx = MAX_ED_FIELDX - 1;
3707
3708   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
3709   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
3710
3711   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
3712                GDI_WIDTH, ed_fieldx * MINI_TILEX,
3713                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
3714                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
3715                GDI_END);
3716
3717   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
3718   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
3719
3720   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
3721   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
3722
3723   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
3724   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
3725
3726   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
3727   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
3728
3729   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3730                GDI_WIDTH, width,
3731                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
3732                GDI_END);
3733   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
3734                GDI_HEIGHT, height,
3735                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
3736                GDI_END);
3737 }
3738
3739 static void AdjustLevelScrollPosition()
3740 {
3741   if (level_xpos < -1)
3742     level_xpos = -1;
3743   if (level_xpos > lev_fieldx - ed_fieldx + 1)
3744     level_xpos = lev_fieldx - ed_fieldx + 1;
3745   if (lev_fieldx < ed_fieldx - 2)
3746     level_xpos = -1;
3747
3748   if (level_ypos < -1)
3749     level_ypos = -1;
3750   if (level_ypos > lev_fieldy - ed_fieldy + 1)
3751     level_ypos = lev_fieldy - ed_fieldy + 1;
3752   if (lev_fieldy < ed_fieldy - 2)
3753     level_ypos = -1;
3754 }
3755
3756 static void AdjustEditorScrollbar(int id)
3757 {
3758   struct GadgetInfo *gi = level_editor_gadget[id];
3759   int items_max, items_visible, item_position;
3760
3761   if (id == GADGET_ID_SCROLL_HORIZONTAL)
3762   {
3763     items_max = MAX(lev_fieldx + 2, ed_fieldx);
3764     items_visible = ed_fieldx;
3765     item_position = level_xpos + 1;
3766   }
3767   else
3768   {
3769     items_max = MAX(lev_fieldy + 2, ed_fieldy);
3770     items_visible = ed_fieldy;
3771     item_position = level_ypos + 1;
3772   }
3773
3774   if (item_position > items_max - items_visible)
3775     item_position = items_max - items_visible;
3776
3777   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
3778                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
3779 }
3780
3781 static void ModifyEditorCounter(int counter_id, int new_value)
3782 {
3783   int *counter_value = counterbutton_info[counter_id].value;
3784   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3785   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3786
3787   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
3788
3789   if (counter_value != NULL)
3790     *counter_value = gi->text.number_value;
3791 }
3792
3793 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
3794 {
3795   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3796   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3797
3798   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
3799 }
3800
3801 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
3802 {
3803   int gadget_id = selectbox_info[selectbox_id].gadget_id;
3804   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3805   int new_index_value = 0;
3806   int i;
3807
3808   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
3809     if (selectbox_info[selectbox_id].options[i].value == new_value)
3810       new_index_value = i;
3811
3812   *selectbox_info[selectbox_id].value =
3813     selectbox_info[selectbox_id].options[new_index_value].value;
3814
3815   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
3816 }
3817
3818 static void ModifyEditorElementList()
3819 {
3820   int i;
3821
3822   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3823   {
3824     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
3825     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3826     struct GadgetDesign *gd = &gi->deco.design;
3827     int element = editor_elements[element_shift + i];
3828
3829     UnmapGadget(gi);
3830     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
3831     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
3832     MapGadget(gi);
3833   }
3834 }
3835
3836 static void PickDrawingElement(int button, int element)
3837 {
3838   if (button < 1 || button > 3)
3839     return;
3840
3841   if (button == 1)
3842   {
3843     new_element1 = element;
3844     DrawMiniGraphicExt(drawto,
3845                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3846                        el2edimg(new_element1));
3847   }
3848   else if (button == 2)
3849   {
3850     new_element2 = element;
3851     DrawMiniGraphicExt(drawto,
3852                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3853                        el2edimg(new_element2));
3854   }
3855   else
3856   {
3857     new_element3 = element;
3858     DrawMiniGraphicExt(drawto,
3859                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3860                        el2edimg(new_element3));
3861   }
3862
3863   redraw_mask |= REDRAW_DOOR_1;
3864 }
3865
3866 static void RedrawDrawingElements()
3867 {
3868   PickDrawingElement(1, new_element1);
3869   PickDrawingElement(2, new_element2);
3870   PickDrawingElement(3, new_element3);
3871 }
3872
3873 static void DrawDrawingWindow()
3874 {
3875   stick_element_properties_window = FALSE;
3876
3877   SetMainBackgroundImage(IMG_UNDEFINED);
3878   ClearWindow();
3879   UnmapLevelEditorWindowGadgets();
3880
3881   AdjustDrawingAreaGadgets();
3882   AdjustLevelScrollPosition();
3883   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
3884   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
3885
3886   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3887   MapMainDrawingArea();
3888 }
3889
3890 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
3891                               boolean input)
3892 {
3893   int border_graphic =
3894     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
3895   Bitmap *src_bitmap;
3896   int src_x, src_y;
3897   int num_mini_tilex = width / MINI_TILEX + 1;
3898   int num_mini_tiley = width / MINI_TILEY + 1;
3899   int x, y;
3900
3901   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3902
3903   for (y=0; y < num_mini_tiley; y++)
3904     for (x=0; x < num_mini_tilex; x++)
3905       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3906                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3907                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3908
3909   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3910 }
3911
3912 static void DrawRandomPlacementBackgroundArea()
3913 {
3914   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
3915   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
3916   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
3917   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
3918
3919   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3920   DrawMiniElement(area_x, area_y, random_placement_background_element);
3921
3922   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
3923 }
3924
3925 static void DrawLevelInfoWindow()
3926 {
3927   int i;
3928
3929   stick_element_properties_window = FALSE;
3930
3931   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
3932   ClearWindow();
3933   UnmapLevelEditorWindowGadgets();
3934
3935   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
3936            "Level Settings", FONT_TITLE_1);
3937   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
3938            "Editor Settings", FONT_TITLE_1);
3939
3940   /* draw counter gadgets */
3941   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
3942     MapCounterButtons(i);
3943
3944   /* draw checkbutton gadgets */
3945   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
3946     MapCheckbuttonGadget(i);
3947
3948   /* draw radiobutton gadgets */
3949   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
3950     MapRadiobuttonGadget(i);
3951
3952   /* draw text input gadgets */
3953   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
3954     MapTextInputGadget(i);
3955
3956   /* draw drawing area */
3957   DrawRandomPlacementBackgroundArea();
3958 }
3959
3960 static void DrawAmoebaContentArea()
3961 {
3962   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3963   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3964   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3965   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3966
3967   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3968   DrawMiniElement(area_x, area_y, level.amoeba_content);
3969
3970   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
3971
3972   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
3973 }
3974
3975 static void DrawCustomGraphicElementArea()
3976 {
3977   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_GRAPHIC];
3978   int xpos = ED_AREA_ELEM_CONTENT3_XPOS;
3979   int ypos = ED_AREA_ELEM_CONTENT3_YPOS;
3980   int area_sx = SX + xpos;
3981   int area_sy = SY + ypos;
3982
3983   if (!IS_CUSTOM_ELEMENT(properties_element))
3984   {
3985     /* this should never happen */
3986     Error(ERR_WARN, "element %d is no custom element", properties_element);
3987
3988     return;
3989   }
3990
3991   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3992   DrawMiniGraphicExt(drawto, gi->x, gi->y,
3993                      el2edimg(custom_element.gfx_element));
3994
3995   MapDrawingArea(GADGET_ID_CUSTOM_GRAPHIC);
3996 }
3997
3998 static void DrawCustomContentArea()
3999 {
4000   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CONTENT];
4001   int area_sx = SX + ED_AREA_ELEM_CONTENT4_XPOS;
4002   int area_sy = SY + ED_AREA_ELEM_CONTENT4_YPOS;
4003   int x, y;
4004
4005   if (!IS_CUSTOM_ELEMENT(properties_element))
4006   {
4007     /* this should never happen */
4008     Error(ERR_WARN, "element %d is no custom element", properties_element);
4009
4010     return;
4011   }
4012
4013   DrawElementBorder(area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4014
4015   for (y=0; y<3; y++)
4016     for (x=0; x<3; x++)
4017       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
4018                          el2edimg(custom_element.content[x][y]));
4019
4020   MapDrawingArea(GADGET_ID_CUSTOM_CONTENT);
4021 }
4022
4023 static void DrawCustomChangeTargetArea()
4024 {
4025   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TARGET];
4026   int xpos = ED_AREA_ELEM_CONTENT2_XPOS;
4027   int ypos = ED_AREA_ELEM_CONTENT2_YPOS;
4028   int area_sx = SX + xpos;
4029   int area_sy = SY + ypos;
4030
4031   if (!IS_CUSTOM_ELEMENT(properties_element))
4032   {
4033     /* this should never happen */
4034     Error(ERR_WARN, "element %d is no custom element", properties_element);
4035
4036     return;
4037   }
4038
4039   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4040   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4041                      el2edimg(custom_element.change.successor));
4042
4043   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TARGET);
4044 }
4045
4046 static void DrawCustomChangeTriggerArea()
4047 {
4048   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TRIGGER];
4049   int xpos = ED_AREA_ELEM_CONTENT5_XPOS;
4050   int ypos = ED_AREA_ELEM_CONTENT5_YPOS;
4051   int area_sx = SX + xpos;
4052   int area_sy = SY + ypos;
4053
4054   if (!IS_CUSTOM_ELEMENT(properties_element))
4055   {
4056     /* this should never happen */
4057     Error(ERR_WARN, "element %d is no custom element", properties_element);
4058
4059     return;
4060   }
4061
4062   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4063   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4064                      el2edimg(custom_element.change.trigger));
4065
4066   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TRIGGER);
4067 }
4068
4069 static void DrawElementContentAreas()
4070 {
4071   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
4072   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
4073   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
4074   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
4075   int i, x, y;
4076
4077   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
4078     UnmapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
4079
4080   /* display counter to choose number of element content areas */
4081   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
4082
4083   /* delete content areas in case of reducing number of them */
4084   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
4085
4086   for (i=0; i<level.num_yamyam_contents; i++)
4087     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
4088                       area_sy + 6 * (i / 4) * MINI_TILEY,
4089                       3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4090
4091   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
4092            "Content", FONT_TEXT_1);
4093   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
4094            "when",    FONT_TEXT_1);
4095   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
4096            "smashed", FONT_TEXT_1);
4097
4098   for (i=0; i<level.num_yamyam_contents; i++)
4099   {
4100     for (y=0; y<3; y++)
4101       for (x=0; x<3; x++)
4102         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
4103                         level.yamyam_content[i][x][y]);
4104
4105     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
4106               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
4107               FONT_TEXT_1, "%d", i + 1);
4108   }
4109
4110   for (i=0; i<level.num_yamyam_contents; i++)
4111     MapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
4112 }
4113
4114 char *getElementDescriptionFilename(int element)
4115 {
4116   char *docs_dir = options.docs_directory;
4117   char *elements_subdir = "elements";
4118   static char *filename = NULL;
4119   char basename[MAX_FILENAME_LEN];
4120
4121   if (filename != NULL)
4122     free(filename);
4123
4124   /* 1st try: look for element description file for exactly this element */
4125   sprintf(basename, "%s.txt", element_info[element].token_name);
4126   filename = getPath3(docs_dir, elements_subdir, basename);
4127   if (fileExists(filename))
4128     return filename;
4129
4130   free(filename);
4131
4132   /* 2nd try: look for element description file for this element's class */
4133   sprintf(basename, "%s.txt", element_info[element].class_name);
4134   filename = getPath3(docs_dir, elements_subdir, basename);
4135   if (fileExists(filename))
4136     return filename;
4137
4138   return NULL;
4139 }
4140
4141 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
4142 {
4143   int font_height = getFontHeight(font_nr);
4144   int pad_x = ED_SETTINGS_XPOS(0);
4145   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4146   int sx = SX + pad_x;
4147   int sy = SY + pad_y;
4148   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
4149
4150   if (screen_line >= max_lines_per_screen)
4151     return FALSE;
4152
4153   DrawText(sx, sy + screen_line * font_height, text, font_nr);
4154
4155   return TRUE;
4156 }
4157
4158 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
4159 {
4160   int font_nr = FONT_TEXT_2;
4161   int font_width = getFontWidth(font_nr);
4162   int pad_x = ED_SETTINGS_XPOS(0);
4163   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
4164   char line[MAX_LINE_LEN];
4165   char buffer[max_chars_per_line + 1];
4166   int buffer_len;
4167   int lines_printed = 0;
4168   FILE *file;
4169
4170   if (filename == NULL)
4171     return 0;
4172
4173   if (!(file = fopen(filename, MODE_READ)))
4174     return 0;
4175
4176   buffer[0] = '\0';
4177   buffer_len = 0;
4178
4179   while(!feof(file))
4180   {
4181     char *line_ptr, *word_ptr;
4182     boolean last_line_was_empty = TRUE;
4183
4184     /* read next line of input file */
4185     if (!fgets(line, MAX_LINE_LEN, file))
4186       break;
4187
4188     /* skip comments (lines directly beginning with '#') */
4189     if (line[0] == '#')
4190       continue;
4191
4192     /* cut trailing newline from input line */
4193     for (line_ptr = line; *line_ptr; line_ptr++)
4194     {
4195       if (*line_ptr == '\n' || *line_ptr == '\r')
4196       {
4197         *line_ptr = '\0';
4198         break;
4199       }
4200     }
4201
4202     if (strlen(line) == 0)              /* special case: force empty line */
4203       strcpy(line, "\n");
4204
4205     word_ptr = line;
4206
4207     while (*word_ptr)
4208     {
4209       boolean print_buffer = FALSE;
4210       int word_len;
4211
4212       /* skip leading whitespaces */
4213       while (*word_ptr == ' ' || *word_ptr == '\t')
4214         word_ptr++;
4215
4216       line_ptr = word_ptr;
4217       word_len = 0;
4218
4219       /* look for end of next word */
4220       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
4221       {
4222         line_ptr++;
4223         word_len++;
4224       }
4225
4226       if (word_len == 0)
4227       {
4228         continue;
4229       }
4230       else if (*word_ptr == '\n')       /* special case: force empty line */
4231       {
4232         if (buffer_len == 0)
4233           word_ptr++;
4234
4235         /* prevent printing of multiple empty lines */
4236         if (buffer_len > 0 || !last_line_was_empty)
4237           print_buffer = TRUE;
4238       }
4239       else if (word_len < max_chars_per_line - buffer_len)
4240       {
4241         /* word fits into text buffer -- add word */
4242
4243         if (buffer_len > 0)
4244           buffer[buffer_len++] = ' ';
4245
4246         strncpy(&buffer[buffer_len], word_ptr, word_len);
4247         buffer_len += word_len;
4248         buffer[buffer_len] = '\0';
4249         word_ptr += word_len;
4250       }
4251       else if (buffer_len > 0)
4252       {
4253         /* not enough space left for word in text buffer -- print buffer */
4254
4255         print_buffer = TRUE;
4256       }
4257       else
4258       {
4259         /* word does not fit at all into empty text buffer -- cut word */
4260
4261         strncpy(buffer, word_ptr, max_chars_per_line);
4262         buffer[max_chars_per_line] = '\0';
4263         word_ptr += max_chars_per_line;
4264         print_buffer = TRUE;
4265       }
4266
4267       if (print_buffer)
4268       {
4269         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4270           return lines_printed;
4271
4272         last_line_was_empty = (buffer_len == 0);
4273         lines_printed++;
4274
4275         buffer[0] = '\0';
4276         buffer_len = 0;
4277         print_buffer = FALSE;
4278       }
4279     }
4280   }
4281
4282   fclose(file);
4283
4284   if (buffer_len > 0)
4285     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4286       lines_printed++;
4287
4288   return lines_printed;
4289 }
4290
4291 static void DrawPropertiesTabulatorGadgets()
4292 {
4293   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
4294   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
4295   int gd_x = gd->x + gd_gi->border.width / 2;
4296   int gd_y = gd->y + gd_gi->height - 1;
4297   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
4298   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
4299 #if 1
4300   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
4301 #else
4302   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
4303 #endif
4304   int i;
4305
4306 #if 0
4307   /* draw additional "configure" tabulator for configurable elements */
4308   if (checkPropertiesConfig())
4309     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
4310 #endif
4311
4312   /* draw additional "advanced" tabulator for custom elements */
4313   if (IS_CUSTOM_ELEMENT(properties_element))
4314     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
4315
4316   for (i=id_first; i <= id_last; i++)
4317   {
4318     int gadget_id = textbutton_info[i].gadget_id;
4319     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4320     boolean active = (i != edit_mode_properties);
4321
4322     /* draw background line below tabulator button */
4323     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
4324
4325     /* draw solid line below inactive tabulator buttons */
4326     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
4327       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
4328
4329     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
4330     MapTextbuttonGadget(i);
4331   }
4332
4333   /* draw little border line below tabulator buttons */
4334   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
4335     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
4336                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
4337                   ED_GADGET_DISTANCE, tab_color);
4338 }
4339
4340 static void DrawPropertiesInfo()
4341 {
4342   static struct
4343   {
4344     int value;
4345     char *text;
4346   }
4347   properties[] =
4348   {
4349     /* configurable properties */
4350     { EP_INDESTRUCTIBLE,        "- undestructible"                      },
4351     { EP_SLIPPERY,              "- slippery for falling objects"        },
4352     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
4353
4354     { EP_DIGGABLE,              "- diggable"                            },
4355     { EP_COLLECTIBLE,           "- collectible"                         },
4356     { EP_PUSHABLE,              "- pushable"                            },
4357
4358     { EP_CAN_MOVE,              "- can move"                            },
4359     { EP_CAN_FALL,              "- can fall"                            },
4360 #if 0
4361     { EP_CAN_SMASH,             "- can smash"                           },
4362 #endif
4363     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
4364     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
4365     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
4366     { EP_CAN_EXPLODE,           "- can explode"                         },
4367     { EP_CAN_EXPLODE_BY_FIRE,   "  - by fire or explosions"             },
4368     { EP_CAN_EXPLODE_SMASHED,   "  - when smashed"                      },
4369     { EP_CAN_EXPLODE_IMPACT,    "  - on impact"                         },
4370
4371     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
4372     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
4373     { EP_DONT_TOUCH,            "- deadly when touching"                },
4374
4375     { EP_WALKABLE_OVER,         "- player can walk over it"             },
4376     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
4377     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
4378     { EP_PASSABLE_OVER,         "- player can pass over it"             },
4379     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
4380     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
4381
4382     /* pre-defined properties */
4383     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
4384     { EP_HAS_CONTENT,           "- can contain other elements"          },
4385
4386     { -1,                       NULL                                    }
4387   };
4388   char *filename = getElementDescriptionFilename(properties_element);
4389   char *percentage_text = "In this level:";
4390   char *properties_text = "Standard properties:";
4391   float percentage;
4392   int num_elements_in_level;
4393   int num_standard_properties = 0;
4394   int font1_nr = FONT_TEXT_1;
4395   int font2_nr = FONT_TEXT_2;
4396   int font1_width = getFontWidth(font1_nr);
4397   int font2_height = getFontHeight(font2_nr);
4398   int pad_x = ED_SETTINGS_XPOS(0);
4399   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4400   int screen_line = 0;
4401   int i, x, y;
4402
4403   /* ----- print number of elements / percentage of this element in level */
4404
4405   num_elements_in_level = 0;
4406   for (y=0; y<lev_fieldy; y++)
4407     for (x=0; x<lev_fieldx; x++)
4408       if (Feld[x][y] == properties_element)
4409         num_elements_in_level++;
4410   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
4411
4412   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
4413             percentage_text);
4414   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
4415             pad_y + screen_line++ * font2_height, font2_nr,
4416             "%d (%.2f%%)", num_elements_in_level, percentage);
4417
4418   screen_line++;
4419
4420   /* ----- print standard properties of this element */
4421
4422   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
4423             properties_text);
4424
4425   for (i=0; properties[i].value != -1; i++)
4426   {
4427     if (!HAS_PROPERTY(properties_element, properties[i].value))
4428       continue;
4429
4430     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
4431               properties[i].text);
4432     num_standard_properties++;
4433   }
4434
4435   if (num_standard_properties == 0)
4436     DrawTextF(pad_x + strlen(properties_text) * font1_width,
4437               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
4438
4439   screen_line++;
4440
4441   /* ----- print special description of this element */
4442
4443   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
4444   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
4445     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
4446 }
4447
4448 #define TEXT_COLLECTING         "Score for collecting"
4449 #define TEXT_SMASHING           "Score for smashing"
4450 #define TEXT_CRACKING           "Score for cracking"
4451 #define TEXT_SPEED              "Speed of amoeba growth"
4452 #define TEXT_DURATION           "Duration when activated"
4453
4454 static struct
4455 {
4456   int element;
4457   int *value;
4458   char *text;
4459 } elements_with_counter[] =
4460 {
4461   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
4462   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
4463   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4464   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4465   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4466   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4467   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
4468   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
4469   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
4470   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
4471   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
4472   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
4473   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
4474   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
4475   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
4476   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
4477   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
4478   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
4479   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4480   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4481   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4482   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4483   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4484   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4485   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4486   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4487   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4488   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4489   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4490   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
4491   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
4492   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
4493   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4494   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4495   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
4496   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
4497   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
4498   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4499   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4500   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4501   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4502   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
4503   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
4504   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
4505   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
4506   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
4507   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4508   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4509   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4510   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4511   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
4512   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
4513   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
4514   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
4515   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
4516   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
4517   { -1,                 NULL,                           NULL            }
4518 };
4519
4520 static boolean checkPropertiesConfig()
4521 {
4522   int i;
4523
4524   if (IS_GEM(properties_element) ||
4525       IS_CUSTOM_ELEMENT(properties_element) ||
4526       HAS_CONTENT(properties_element))
4527     return TRUE;
4528   else
4529     for (i=0; elements_with_counter[i].element != -1; i++)
4530       if (elements_with_counter[i].element == properties_element)
4531         return TRUE;
4532
4533   return FALSE;
4534 }
4535
4536 static void DrawPropertiesConfig()
4537 {
4538   int i;
4539
4540   if (!checkPropertiesConfig())
4541   {
4542     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
4543
4544     return;
4545   }
4546
4547   /* check if there are elements where a score can be chosen for */
4548   for (i=0; elements_with_counter[i].element != -1; i++)
4549   {
4550     if (elements_with_counter[i].element == properties_element)
4551     {
4552       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
4553
4554       counterbutton_info[counter_id].value = elements_with_counter[i].value;
4555       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
4556       MapCounterButtons(counter_id);
4557
4558       break;
4559     }
4560   }
4561
4562   if (HAS_CONTENT(properties_element))
4563   {
4564     /* draw stickybutton gadget */
4565     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4566     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
4567     MapCheckbuttonGadget(i);
4568
4569     if (IS_AMOEBOID(properties_element))
4570       DrawAmoebaContentArea();
4571     else
4572       DrawElementContentAreas();
4573   }
4574
4575   if (IS_GEM(properties_element))
4576     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
4577
4578   if (IS_CUSTOM_ELEMENT(properties_element))
4579   {
4580     /* draw stickybutton gadget */
4581     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4582     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4583     MapCheckbuttonGadget(i);
4584
4585     /* draw checkbutton gadgets */
4586     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
4587          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
4588       MapCheckbuttonGadget(i);
4589
4590     /* draw counter gadgets */
4591     for (i=ED_COUNTER_ID_CUSTOM_FIRST; i<=ED_COUNTER_ID_CUSTOM_LAST; i++)
4592       MapCounterButtons(i);
4593
4594     /* draw selectbox gadgets */
4595     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
4596       MapSelectboxGadget(i);
4597
4598     /* draw drawing area gadgets */
4599     DrawCustomContentArea();
4600   }
4601 }
4602
4603 static void DrawPropertiesAdvanced()
4604 {
4605   int i;
4606
4607   /* draw stickybutton gadget */
4608   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4609   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4610   MapCheckbuttonGadget(i);
4611
4612   /* draw checkbutton gadgets */
4613   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
4614        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
4615     MapCheckbuttonGadget(i);
4616
4617   /* draw counter gadgets */
4618   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
4619     MapCounterButtons(i);
4620
4621   /* draw selectbox gadgets */
4622   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
4623     MapSelectboxGadget(i);
4624
4625   /* draw textbutton gadgets */
4626   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
4627
4628   /* draw drawing area gadgets */
4629   DrawCustomGraphicElementArea();
4630   DrawCustomChangeTargetArea();
4631   DrawCustomChangeTriggerArea();
4632 }
4633
4634 static void DrawElementName(int x, int y, int element)
4635 {
4636   char *element_name = getElementInfoText(element);
4637   int font_nr = FONT_TEXT_1;
4638   int font_width = getFontWidth(font_nr);
4639   int font_height = getFontHeight(font_nr);
4640   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
4641   int max_chars_per_line = max_text_width / font_width;
4642   char buffer[max_chars_per_line + 1];
4643
4644   if (strlen(element_name) <= max_chars_per_line)
4645     DrawTextF(x, y, font_nr, element_name);
4646   else
4647   {
4648     int next_pos = max_chars_per_line;
4649
4650     strncpy(buffer, element_name, max_chars_per_line);
4651     buffer[max_chars_per_line] = '\0';
4652
4653     if (element_name[max_chars_per_line] == ' ')
4654       next_pos++;
4655     else
4656     {
4657       int i;
4658
4659       for (i = max_chars_per_line - 1; i >= 0; i--)
4660         if (buffer[i] == ' ')
4661           break;
4662
4663       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
4664       {
4665         buffer[i] = '\0';
4666         next_pos = i + 1;
4667       }
4668     }
4669
4670     DrawTextF(x, y - font_height / 2, font_nr, buffer);
4671
4672     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
4673     buffer[max_chars_per_line] = '\0';
4674
4675     DrawTextF(x, y + font_height / 2, font_nr, buffer);
4676   }
4677 }
4678
4679 static void DrawPropertiesWindow()
4680 {
4681   int xstart = 2;
4682   int ystart = 4;
4683
4684   stick_element_properties_window = FALSE;
4685
4686   /* make sure that previous properties edit mode exists for this element */
4687   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
4688       !IS_CUSTOM_ELEMENT(properties_element))
4689     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
4690
4691 #if 0
4692   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
4693       !checkPropertiesConfig())
4694     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
4695 #endif
4696
4697   if (IS_CUSTOM_ELEMENT(properties_element))
4698     CopyCustomElementPropertiesToEditor(properties_element);
4699
4700   UnmapLevelEditorWindowGadgets();
4701
4702   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4703   ClearWindow();
4704
4705   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4706            "Element Settings", FONT_TITLE_1);
4707
4708   DrawElementBorder(SX + xstart * MINI_TILEX,
4709                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4710                     TILEX, TILEY, FALSE);
4711   DrawGraphicAnimationExt(drawto,
4712                           SX + xstart * MINI_TILEX,
4713                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4714                           el2img(properties_element), -1, NO_MASKING);
4715
4716   FrameCounter = 0;     /* restart animation frame counter */
4717
4718   DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
4719                   properties_element);
4720
4721   DrawPropertiesTabulatorGadgets();
4722
4723   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
4724     DrawPropertiesInfo();
4725   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
4726     DrawPropertiesConfig();
4727   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
4728     DrawPropertiesAdvanced();
4729 }
4730
4731 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
4732 {
4733   int lx = sx + level_xpos;
4734   int ly = sy + level_ypos;
4735
4736   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
4737
4738   if (change_level)
4739     Feld[lx][ly] = element;
4740 }
4741
4742 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
4743                      int element, boolean change_level)
4744 {
4745   if (from_y == to_y)                   /* horizontal line */
4746   {
4747     int x;
4748     int y = from_y;
4749
4750     if (from_x > to_x)
4751       swap_numbers(&from_x, &to_x);
4752
4753     for (x=from_x; x<=to_x; x++)
4754       DrawLineElement(x, y, element, change_level);
4755   }
4756   else if (from_x == to_x)              /* vertical line */
4757   {
4758     int x = from_x;
4759     int y;
4760
4761     if (from_y > to_y)
4762       swap_numbers(&from_y, &to_y);
4763
4764     for (y=from_y; y<=to_y; y++)
4765       DrawLineElement(x, y, element, change_level);
4766   }
4767   else                                  /* diagonal line */
4768   {
4769     int len_x = ABS(to_x - from_x);
4770     int len_y = ABS(to_y - from_y);
4771     int x, y;
4772
4773     if (len_y < len_x)                  /* a < 1 */
4774     {
4775       float a = (float)len_y / (float)len_x;
4776
4777       if (from_x > to_x)
4778         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4779
4780       for (x=0; x<=len_x; x++)
4781       {
4782         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
4783         DrawLineElement(from_x + x, from_y + y, element, change_level);
4784       }
4785     }
4786     else                                /* a >= 1 */
4787     {
4788       float a = (float)len_x / (float)len_y;
4789
4790       if (from_y > to_y)
4791         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4792
4793       for (y=0; y<=len_y; y++)
4794       {
4795         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
4796         DrawLineElement(from_x + x, from_y + y, element, change_level);
4797       }
4798     }
4799   }
4800 }
4801
4802 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
4803                     int element, boolean change_level)
4804 {
4805   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
4806   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
4807   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
4808   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
4809 }
4810
4811 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
4812                           int element, boolean change_level)
4813 {
4814   int y;
4815
4816   if (from_y > to_y)
4817     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4818
4819   for (y=from_y; y<=to_y; y++)
4820     DrawLine(from_x, y, to_x, y, element, change_level);
4821 }
4822
4823 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
4824                        int element, boolean change_level)
4825 {
4826   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
4827   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
4828   int len_x = ABS(to_x - from_x);
4829   int len_y = ABS(to_y - from_y);
4830   int radius, x, y;
4831
4832   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
4833
4834   /* not optimal (some points get drawn twice) but simple,
4835      and fast enough for the few points we are drawing */
4836
4837   for (x=0; x<=radius; x++)
4838   {
4839     int sx, sy, lx, ly;
4840
4841     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
4842
4843     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4844     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4845     lx = sx + level_xpos;
4846     ly = sy + level_ypos;
4847
4848     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4849       DrawLineElement(sx, sy, element, change_level);
4850   }
4851
4852   for (y=0; y<=radius; y++)
4853   {
4854     int sx, sy, lx, ly;
4855
4856     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
4857
4858     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4859     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4860     lx = sx + level_xpos;
4861     ly = sy + level_ypos;
4862
4863     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4864       DrawLineElement(sx, sy, element, change_level);
4865   }
4866 }
4867
4868 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
4869                     int element, boolean change_level)
4870 {
4871   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4872   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4873
4874   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4875 }
4876
4877 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
4878 #if DRAW_CIRCLES_BUTTON_AVAILABLE
4879 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
4880                        int element, boolean change_level)
4881 {
4882   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4883   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4884   int mirror_to_x2 = from_x - (to_x2 - from_x);
4885   int mirror_to_y2 = from_y - (to_y2 - from_y);
4886
4887   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4888   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
4889   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
4890   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
4891 }
4892 #endif
4893
4894 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
4895 {
4896   int from_sx, from_sy;
4897   int to_sx, to_sy;
4898
4899   if (from_x > to_x)
4900     swap_numbers(&from_x, &to_x);
4901
4902   if (from_y > to_y)
4903     swap_numbers(&from_y, &to_y);
4904
4905   from_sx = SX + from_x * MINI_TILEX;
4906   from_sy = SY + from_y * MINI_TILEY;
4907   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
4908   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
4909
4910   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
4911   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
4912   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
4913   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
4914
4915   if (from_x == to_x && from_y == to_y)
4916     MarkTileDirty(from_x/2, from_y/2);
4917   else
4918     redraw_mask |= REDRAW_FIELD;
4919 }
4920
4921 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
4922                        int element, boolean change_level)
4923 {
4924   if (element == -1 || change_level)
4925     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
4926   else
4927     DrawAreaBorder(from_x, from_y, to_x, to_y);
4928 }
4929
4930 /* values for CopyBrushExt() */
4931 #define CB_AREA_TO_BRUSH        0
4932 #define CB_BRUSH_TO_CURSOR      1
4933 #define CB_BRUSH_TO_LEVEL       2
4934 #define CB_DELETE_OLD_CURSOR    3
4935
4936 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
4937                          int button, int mode)
4938 {
4939   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
4940   static int brush_width, brush_height;
4941   static int last_cursor_x = -1, last_cursor_y = -1;
4942   static boolean delete_old_brush;
4943   int new_element = BUTTON_ELEMENT(button);
4944   int x, y;
4945
4946   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
4947     return;
4948
4949   if (mode == CB_AREA_TO_BRUSH)
4950   {
4951     int from_lx, from_ly;
4952
4953     if (from_x > to_x)
4954       swap_numbers(&from_x, &to_x);
4955
4956     if (from_y > to_y)
4957       swap_numbers(&from_y, &to_y);
4958
4959     brush_width = to_x - from_x + 1;
4960     brush_height = to_y - from_y + 1;
4961
4962     from_lx = from_x + level_xpos;
4963     from_ly = from_y + level_ypos;
4964
4965     for (y=0; y<brush_height; y++)
4966     {
4967       for (x=0; x<brush_width; x++)
4968       {
4969         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
4970
4971         if (button != 1)
4972           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
4973       }
4974     }
4975
4976     if (button != 1)
4977       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4978
4979     delete_old_brush = FALSE;
4980   }
4981   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
4982            mode == CB_BRUSH_TO_LEVEL)
4983   {
4984     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
4985     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
4986     int cursor_from_x = cursor_x - brush_width / 2;
4987     int cursor_from_y = cursor_y - brush_height / 2;
4988     int border_from_x = cursor_x, border_from_y = cursor_y;
4989     int border_to_x = cursor_x, border_to_y = cursor_y;
4990
4991     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
4992       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
4993
4994     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
4995         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
4996     {
4997       delete_old_brush = FALSE;
4998       return;
4999     }
5000
5001     for (y=0; y<brush_height; y++)
5002     {
5003       for (x=0; x<brush_width; x++)
5004       {
5005         int sx = cursor_from_x + x;
5006         int sy = cursor_from_y + y;
5007         int lx = sx + level_xpos;
5008         int ly = sy + level_ypos;
5009         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
5010         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
5011                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
5012                        brush_buffer[x][y] : new_element);
5013
5014         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5015         {
5016           if (sx < border_from_x)
5017             border_from_x = sx;
5018           else if (sx > border_to_x)
5019             border_to_x = sx;
5020           if (sy < border_from_y)
5021             border_from_y = sy;
5022           else if (sy > border_to_y)
5023             border_to_y = sy;
5024
5025           DrawLineElement(sx, sy, element, change_level);
5026         }
5027       }
5028     }
5029
5030     if (mode != CB_DELETE_OLD_CURSOR)
5031       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
5032
5033     last_cursor_x = cursor_x;
5034     last_cursor_y = cursor_y;
5035     delete_old_brush = TRUE;
5036   }
5037 }
5038
5039 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
5040                             int button)
5041 {
5042   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
5043 }
5044
5045 static void CopyBrushToLevel(int x, int y, int button)
5046 {
5047   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
5048 }
5049
5050 static void CopyBrushToCursor(int x, int y)
5051 {
5052   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
5053 }
5054
5055 static void DeleteBrushFromCursor()
5056 {
5057   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5058 }
5059
5060 static void FloodFill(int from_x, int from_y, int fill_element)
5061 {
5062   int i,x,y;
5063   int old_element;
5064   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
5065   static int safety = 0;
5066
5067   /* check if starting field still has the desired content */
5068   if (Feld[from_x][from_y] == fill_element)
5069     return;
5070
5071   safety++;
5072
5073   if (safety > lev_fieldx*lev_fieldy)
5074     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
5075
5076   old_element = Feld[from_x][from_y];
5077   Feld[from_x][from_y] = fill_element;
5078
5079   for(i=0;i<4;i++)
5080   {
5081     x = from_x + check[i][0];
5082     y = from_y + check[i][1];
5083
5084     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
5085       FloodFill(x, y, fill_element);
5086   }
5087
5088   safety--;
5089 }
5090
5091 /* values for DrawLevelText() modes */
5092 #define TEXT_INIT               0
5093 #define TEXT_SETCURSOR          1
5094 #define TEXT_WRITECHAR          2
5095 #define TEXT_BACKSPACE          3
5096 #define TEXT_NEWLINE            4
5097 #define TEXT_END                5
5098 #define TEXT_QUERY_TYPING       6
5099
5100 static int DrawLevelText(int sx, int sy, char letter, int mode)
5101 {
5102   static short delete_buffer[MAX_LEV_FIELDX];
5103   static int start_sx, start_sy;
5104   static int last_sx, last_sy;
5105   static boolean typing = FALSE;
5106   int letter_element = EL_CHAR_ASCII0 + letter;
5107   int lx = 0, ly = 0;
5108
5109   /* map lower case letters to upper case and convert special characters */
5110   if (letter >= 'a' && letter <= 'z')
5111     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
5112   else if (letter == 'ä' || letter == 'Ä')
5113     letter_element = EL_CHAR_AUMLAUT;
5114   else if (letter == 'ö' || letter == 'Ö')
5115     letter_element = EL_CHAR_OUMLAUT;
5116   else if (letter == 'ü' || letter == 'Ü')
5117     letter_element = EL_CHAR_UUMLAUT;
5118   else if (letter == '^')
5119     letter_element = EL_CHAR_COPYRIGHT;
5120   else
5121     letter_element = EL_CHAR_ASCII0 + letter;
5122
5123   if (mode != TEXT_INIT)
5124   {
5125     if (!typing)
5126       return FALSE;
5127
5128     if (mode != TEXT_SETCURSOR)
5129     {
5130       sx = last_sx;
5131       sy = last_sy;
5132     }
5133
5134     lx = last_sx + level_xpos;
5135     ly = last_sy + level_ypos;
5136   }
5137
5138   switch (mode)
5139   {
5140     case TEXT_INIT:
5141       if (typing)
5142         DrawLevelText(0, 0, 0, TEXT_END);
5143
5144       typing = TRUE;
5145       start_sx = last_sx = sx;
5146       start_sy = last_sy = sy;
5147       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
5148       break;
5149
5150     case TEXT_SETCURSOR:
5151       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
5152       DrawAreaBorder(sx, sy, sx, sy);
5153       last_sx = sx;
5154       last_sy = sy;
5155       break;
5156
5157     case TEXT_WRITECHAR:
5158       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
5159       {
5160         delete_buffer[sx - start_sx] = Feld[lx][ly];
5161         Feld[lx][ly] = letter_element;
5162
5163         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
5164           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
5165         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
5166           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5167         else
5168           DrawLevelText(0, 0, 0, TEXT_END);
5169       }
5170       break;
5171
5172     case TEXT_BACKSPACE:
5173       if (sx > start_sx)
5174       {
5175         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
5176         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
5177         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
5178       }
5179       break;
5180
5181     case TEXT_NEWLINE:
5182       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
5183         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5184       else
5185         DrawLevelText(0, 0, 0, TEXT_END);
5186       break;
5187
5188     case TEXT_END:
5189       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5190       DrawMiniElement(sx, sy, Feld[lx][ly]);
5191       typing = FALSE;
5192       break;
5193
5194     case TEXT_QUERY_TYPING:
5195       break;
5196
5197     default:
5198       break;
5199   }
5200
5201   return typing;
5202 }
5203
5204 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
5205                           int element, boolean change_level)
5206 {
5207   int lx = sx + level_xpos;
5208   int ly = sy + level_ypos;
5209
5210   if (element == -1)
5211     DrawMiniElement(sx, sy, Feld[lx][ly]);
5212   else
5213     DrawAreaBorder(sx, sy, sx, sy);
5214 }
5215
5216 static void CopyLevelToUndoBuffer(int mode)
5217 {
5218   static boolean accumulated_undo = FALSE;
5219   boolean new_undo_buffer_position = TRUE;
5220   int last_border_element;
5221   int x, y;
5222
5223   switch (mode)
5224   {
5225     case UNDO_IMMEDIATE:
5226       accumulated_undo = FALSE;
5227       break;
5228
5229     case UNDO_ACCUMULATE:
5230       if (accumulated_undo)
5231         new_undo_buffer_position = FALSE;
5232       accumulated_undo = TRUE;
5233       break;
5234
5235     default:
5236       break;
5237   }
5238
5239   if (new_undo_buffer_position)
5240   {
5241     /* new position in undo buffer ring */
5242     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
5243
5244     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
5245       undo_buffer_steps++;
5246   }
5247
5248   for(x=0; x<lev_fieldx; x++)
5249     for(y=0; y<lev_fieldy; y++)
5250       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
5251
5252   /* check if drawing operation forces change of border style */
5253   last_border_element = BorderElement;
5254   SetBorderElement();
5255   if (BorderElement != last_border_element)
5256     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5257 }
5258
5259 static void RandomPlacement(int new_element)
5260 {
5261   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5262   int num_free_positions;
5263   int num_percentage;
5264   int num_elements;
5265   int x, y;
5266
5267   /* determine number of free positions for the new elements */
5268   /* (maybe this statement should be formatted a bit more readable...) */
5269   num_free_positions = 0;
5270   for (x=0; x<lev_fieldx; x++)
5271     for (y=0; y<lev_fieldy; y++)
5272       if ((free_position[x][y] =
5273            ((random_placement_background_restricted &&
5274              Feld[x][y] == random_placement_background_element) ||
5275             (!random_placement_background_restricted &&
5276              Feld[x][y] != new_element))) == TRUE)
5277         num_free_positions++;
5278
5279   /* determine number of new elements to place there */
5280   num_percentage = num_free_positions * random_placement_value / 100;
5281   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
5282                   num_percentage : random_placement_value);
5283
5284   /* if not more free positions than elements to place, fill whole level */
5285   if (num_elements >= num_free_positions)
5286   {
5287     for (x=0; x<lev_fieldx; x++)
5288       for (y=0; y<lev_fieldy; y++)
5289         Feld[x][y] = new_element;
5290
5291     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5292     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5293     return;
5294   }
5295
5296   while (num_elements > 0)
5297   {
5298     x = RND(lev_fieldx);
5299     y = RND(lev_fieldy);
5300
5301     /* don't place element at the same position twice */
5302     if (free_position[x][y])
5303     {
5304       free_position[x][y] = FALSE;
5305       Feld[x][y] = new_element;
5306       num_elements--;
5307     }
5308   }
5309
5310   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5311   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5312 }
5313
5314 void WrapLevel(int dx, int dy)
5315 {
5316   int wrap_dx = lev_fieldx - dx;
5317   int wrap_dy = lev_fieldy - dy;
5318   int x, y;
5319
5320   for(x=0; x<lev_fieldx; x++)
5321     for(y=0; y<lev_fieldy; y++)
5322       FieldBackup[x][y] = Feld[x][y];
5323
5324   for(x=0; x<lev_fieldx; x++)
5325     for(y=0; y<lev_fieldy; y++)
5326       Feld[x][y] =
5327         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
5328
5329   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5330   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
5331 }
5332
5333 static void HandleDrawingAreas(struct GadgetInfo *gi)
5334 {
5335   static boolean started_inside_drawing_area = FALSE;
5336   int id = gi->custom_id;
5337   boolean button_press_event;
5338   boolean button_release_event;
5339   boolean inside_drawing_area = !gi->event.off_borders;
5340   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
5341   int actual_drawing_function;
5342   int button = gi->event.button;
5343   int new_element = BUTTON_ELEMENT(button);
5344   int sx = gi->event.x, sy = gi->event.y;
5345   int min_sx = 0, min_sy = 0;
5346   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
5347   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
5348   int lx = 0, ly = 0;
5349   int min_lx = 0, min_ly = 0;
5350   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
5351   int x, y;
5352
5353   /* handle info callback for each invocation of action callback */
5354   gi->callback_info(gi);
5355
5356   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
5357   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
5358
5359   /* make sure to stay inside drawing area boundaries */
5360   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
5361   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
5362
5363   if (draw_level)
5364   {
5365     /* get positions inside level field */
5366     lx = sx + level_xpos;
5367     ly = sy + level_ypos;
5368
5369     if (!IN_LEV_FIELD(lx, ly))
5370       inside_drawing_area = FALSE;
5371
5372     /* make sure to stay inside level field boundaries */
5373     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5374     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5375
5376     /* correct drawing area positions accordingly */
5377     sx = lx - level_xpos;
5378     sy = ly - level_ypos;
5379   }
5380
5381   if (button_press_event)
5382     started_inside_drawing_area = inside_drawing_area;
5383
5384   if (!started_inside_drawing_area)
5385     return;
5386
5387   if (!button && !button_release_event)
5388     return;
5389
5390   /* automatically switch to 'single item' drawing mode, if needed */
5391   actual_drawing_function =
5392     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
5393      drawing_function : GADGET_ID_SINGLE_ITEMS);
5394
5395   switch (actual_drawing_function)
5396   {
5397     case GADGET_ID_SINGLE_ITEMS:
5398       if (draw_level)
5399       {
5400         if (button_release_event)
5401         {
5402           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5403
5404           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
5405               !inside_drawing_area)
5406             DeleteBrushFromCursor();
5407         }
5408
5409         if (!button)
5410           break;
5411
5412         if (draw_with_brush)
5413         {
5414           if (!button_release_event)
5415             CopyBrushToLevel(sx, sy, button);
5416         }
5417         else if (new_element != Feld[lx][ly])
5418         {
5419           if (new_element == EL_PLAYER_1)
5420           {
5421             /* remove player at old position */
5422             for(y=0; y<lev_fieldy; y++)
5423             {
5424               for(x=0; x<lev_fieldx; x++)
5425               {
5426                 if (Feld[x][y] == EL_PLAYER_1)
5427                 {
5428                   Feld[x][y] = EL_EMPTY;
5429                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
5430                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
5431                     DrawMiniElement(x - level_xpos, y - level_ypos,
5432                                     EL_EMPTY);
5433                 }
5434               }
5435             }
5436           }
5437
5438           Feld[lx][ly] = new_element;
5439           DrawMiniElement(sx, sy, new_element);
5440         }
5441       }
5442       else
5443       {
5444         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
5445           DrawMiniGraphicExt(drawto,
5446                              gi->x + sx * MINI_TILEX,
5447                              gi->y + sy * MINI_TILEY,
5448                              el2edimg(new_element));
5449         else
5450           DrawGraphicExt(drawto,
5451                          gi->x + sx * TILEX,
5452                          gi->y + sy * TILEY,
5453                          el2img(new_element), 0);
5454
5455         if (id == GADGET_ID_AMOEBA_CONTENT)
5456           level.amoeba_content = new_element;
5457         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5458         {
5459           new_element = GFX_ELEMENT(new_element);
5460           custom_element.gfx_element = new_element;
5461           element_info[properties_element] = custom_element;
5462
5463           ModifyEditorElementList();
5464           RedrawDrawingElements();
5465
5466           FrameCounter = 0;     /* restart animation frame counter */
5467         }
5468         else if (id == GADGET_ID_CUSTOM_CONTENT)
5469         {
5470           custom_element.content[sx][sy] = new_element;
5471           element_info[properties_element] = custom_element;
5472         }
5473         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
5474         {
5475           custom_element.change.successor = new_element;
5476           element_info[properties_element] = custom_element;
5477         }
5478         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
5479         {
5480           custom_element.change.trigger = new_element;
5481           element_info[properties_element] = custom_element;
5482         }
5483         else if (id == GADGET_ID_RANDOM_BACKGROUND)
5484           random_placement_background_element = new_element;
5485         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5486                  id <= GADGET_ID_ELEMENT_CONTENT_7)
5487           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
5488             new_element;
5489       }
5490       break;
5491
5492     case GADGET_ID_CONNECTED_ITEMS:
5493       {
5494         static int last_sx = -1;
5495         static int last_sy = -1;
5496
5497         if (button_release_event)
5498           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5499
5500         if (button)
5501         {
5502           if (!button_press_event)
5503             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
5504
5505           last_sx = sx;
5506           last_sy = sy;
5507         }
5508       }
5509       break;
5510
5511     case GADGET_ID_LINE:
5512     case GADGET_ID_ARC:
5513     case GADGET_ID_RECTANGLE:
5514     case GADGET_ID_FILLED_BOX:
5515     case GADGET_ID_GRAB_BRUSH:
5516     case GADGET_ID_TEXT:
5517       {
5518         static int last_sx = -1;
5519         static int last_sy = -1;
5520         static int start_sx = -1;
5521         static int start_sy = -1;
5522         void (*draw_func)(int, int, int, int, int, boolean);
5523
5524         if (drawing_function == GADGET_ID_LINE)
5525           draw_func = DrawLine;
5526         else if (drawing_function == GADGET_ID_ARC)
5527           draw_func = DrawArc;
5528         else if (drawing_function == GADGET_ID_RECTANGLE)
5529           draw_func = DrawBox;
5530         else if (drawing_function == GADGET_ID_FILLED_BOX)
5531           draw_func = DrawFilledBox;
5532         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
5533           draw_func = SelectArea;
5534         else /* (drawing_function == GADGET_ID_TEXT) */
5535           draw_func = SetTextCursor;
5536
5537         if (button_press_event)
5538         {
5539           draw_func(sx, sy, sx, sy, new_element, FALSE);
5540           start_sx = last_sx = sx;
5541           start_sy = last_sy = sy;
5542
5543           if (drawing_function == GADGET_ID_TEXT)
5544             DrawLevelText(0, 0, 0, TEXT_END);
5545         }
5546         else if (button_release_event)
5547         {
5548           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
5549           if (drawing_function == GADGET_ID_GRAB_BRUSH)
5550           {
5551             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
5552             CopyBrushToCursor(sx, sy);
5553             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
5554                           MB_LEFTBUTTON);
5555             draw_with_brush = TRUE;
5556           }
5557           else if (drawing_function == GADGET_ID_TEXT)
5558             DrawLevelText(sx, sy, 0, TEXT_INIT);
5559           else
5560             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5561         }
5562         else if (last_sx != sx || last_sy != sy)
5563         {
5564           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
5565           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
5566           last_sx = sx;
5567           last_sy = sy;
5568         }
5569       }
5570       break;
5571
5572     case GADGET_ID_FLOOD_FILL:
5573       if (button_press_event && Feld[lx][ly] != new_element)
5574       {
5575         FloodFill(lx, ly, new_element);
5576         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5577         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5578       }
5579       break;
5580
5581     case GADGET_ID_PICK_ELEMENT:
5582       if (button_release_event)
5583         ClickOnGadget(level_editor_gadget[last_drawing_function],
5584                       MB_LEFTBUTTON);
5585       else if (draw_level)
5586         PickDrawingElement(button, Feld[lx][ly]);
5587       else if (id == GADGET_ID_AMOEBA_CONTENT)
5588         PickDrawingElement(button, level.amoeba_content);
5589       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5590         PickDrawingElement(button, custom_element.gfx_element);
5591       else if (id == GADGET_ID_CUSTOM_CONTENT)
5592         PickDrawingElement(button, custom_element.content[sx][sy]);
5593       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
5594         PickDrawingElement(button, custom_element.change.successor);
5595       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
5596         PickDrawingElement(button, custom_element.change.trigger);
5597       else if (id == GADGET_ID_RANDOM_BACKGROUND)
5598         PickDrawingElement(button, random_placement_background_element);
5599       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5600                id <= GADGET_ID_ELEMENT_CONTENT_7)
5601       {
5602         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
5603
5604         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
5605       }
5606
5607       break;
5608
5609     default:
5610       break;
5611   }
5612 }
5613
5614 static void HandleCounterButtons(struct GadgetInfo *gi)
5615 {
5616   int gadget_id = gi->custom_id;
5617   int counter_id = gi->custom_type_id;
5618   int button = gi->event.button;
5619   int *counter_value = counterbutton_info[counter_id].value;
5620   int step = BUTTON_STEPSIZE(button) *
5621     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
5622
5623   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
5624   {
5625     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
5626     boolean released = (gi->event.type == GD_EVENT_RELEASED);
5627     boolean level_changed = LevelChanged();
5628
5629     if ((level_changed && pressed) || (!level_changed && released))
5630       return;
5631
5632     if (level_changed && !Request("Level has changed! Discard changes ?",
5633                                   REQ_ASK))
5634     {
5635       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5636         ModifyEditorCounter(counter_id, *counter_value);
5637       return;
5638     }
5639   }
5640
5641   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5642     *counter_value = gi->text.number_value;
5643   else
5644     ModifyEditorCounter(counter_id, *counter_value + step);
5645
5646   switch (counter_id)
5647   {
5648     case ED_COUNTER_ID_ELEMENT_CONTENT:
5649       DrawElementContentAreas();
5650       break;
5651
5652     case ED_COUNTER_ID_LEVEL_XSIZE:
5653     case ED_COUNTER_ID_LEVEL_YSIZE:
5654       lev_fieldx = level.fieldx;
5655       lev_fieldy = level.fieldy;
5656       break;
5657
5658     case ED_COUNTER_ID_SELECT_LEVEL:
5659       LoadLevel(level_nr);
5660       TapeErase();
5661       ResetUndoBuffer();
5662       DrawEditModeWindow();
5663       break;
5664
5665     default:
5666       break;
5667   }
5668
5669   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
5670        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
5671       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
5672        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
5673     CopyCustomElementPropertiesToGame(properties_element);
5674 }
5675
5676 static void HandleTextInputGadgets(struct GadgetInfo *gi)
5677 {
5678   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
5679 }
5680
5681 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
5682 {
5683   int type_id = gi->custom_type_id;
5684
5685   *selectbox_info[type_id].value =
5686     selectbox_info[type_id].options[gi->selectbox.index].value;
5687
5688   if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
5689        type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
5690       (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
5691        type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
5692     CopyCustomElementPropertiesToGame(properties_element);
5693 }
5694
5695 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
5696 {
5697   if (gi->custom_type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
5698       gi->custom_type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
5699   {
5700     edit_mode_properties = gi->custom_type_id;
5701
5702     DrawPropertiesWindow();
5703   }
5704 }
5705
5706 static void HandleRadiobuttons(struct GadgetInfo *gi)
5707 {
5708   *radiobutton_info[gi->custom_type_id].value =
5709     radiobutton_info[gi->custom_type_id].checked_value;
5710 }
5711
5712 static void HandleCheckbuttons(struct GadgetInfo *gi)
5713 {
5714   int type_id = gi->custom_type_id;
5715
5716   *checkbutton_info[type_id].value ^= TRUE;
5717
5718   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
5719        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
5720       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
5721        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST))
5722     CopyCustomElementPropertiesToGame(properties_element);
5723
5724   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
5725   {
5726     ModifyEditorElementList();
5727     RedrawDrawingElements();
5728   }
5729 }
5730
5731 static void HandleControlButtons(struct GadgetInfo *gi)
5732 {
5733   int id = gi->custom_id;
5734   int button = gi->event.button;
5735   int step = BUTTON_STEPSIZE(button);
5736   int new_element = BUTTON_ELEMENT(button);
5737   int x, y;
5738
5739   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
5740     DrawLevelText(0, 0, 0, TEXT_END);
5741
5742   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
5743       id != GADGET_ID_PICK_ELEMENT && edit_mode != ED_MODE_DRAWING &&
5744       drawing_function != GADGET_ID_PICK_ELEMENT)
5745   {
5746     DrawDrawingWindow();
5747     edit_mode = ED_MODE_DRAWING;
5748   }
5749
5750   switch (id)
5751   {
5752     case GADGET_ID_SCROLL_LEFT:
5753       if (level_xpos >= 0)
5754       {
5755         if (lev_fieldx < ed_fieldx - 2)
5756           break;
5757
5758         level_xpos -= step;
5759         if (level_xpos < -1)
5760           level_xpos = -1;
5761         if (button == 1)
5762           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
5763         else
5764           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5765
5766         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5767                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5768       }
5769       break;
5770
5771     case GADGET_ID_SCROLL_RIGHT:
5772       if (level_xpos <= lev_fieldx - ed_fieldx)
5773       {
5774         if (lev_fieldx < ed_fieldx - 2)
5775           break;
5776
5777         level_xpos += step;
5778         if (level_xpos > lev_fieldx - ed_fieldx + 1)
5779           level_xpos = lev_fieldx - ed_fieldx + 1;
5780         if (button == 1)
5781           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
5782         else
5783           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5784
5785         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5786                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5787       }
5788       break;
5789
5790     case GADGET_ID_SCROLL_UP:
5791       if (level_ypos >= 0)
5792       {
5793         if (lev_fieldy < ed_fieldy - 2)
5794           break;
5795
5796         level_ypos -= step;
5797         if (level_ypos < -1)
5798           level_ypos = -1;
5799         if (button == 1)
5800           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
5801         else
5802           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5803
5804         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5805                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5806       }
5807       break;
5808
5809     case GADGET_ID_SCROLL_DOWN:
5810       if (level_ypos <= lev_fieldy - ed_fieldy)
5811       {
5812         if (lev_fieldy < ed_fieldy - 2)
5813           break;
5814
5815         level_ypos += step;
5816         if (level_ypos > lev_fieldy - ed_fieldy + 1)
5817           level_ypos = lev_fieldy - ed_fieldy + 1;
5818         if (button == 1)
5819           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
5820         else
5821           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5822
5823         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5824                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5825       }
5826       break;
5827
5828     case GADGET_ID_SCROLL_HORIZONTAL:
5829       level_xpos = gi->event.item_position - 1;
5830       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5831       break;
5832
5833     case GADGET_ID_SCROLL_VERTICAL:
5834       level_ypos = gi->event.item_position - 1;
5835       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5836       break;
5837
5838     case GADGET_ID_SCROLL_LIST_UP:
5839     case GADGET_ID_SCROLL_LIST_DOWN:
5840     case GADGET_ID_SCROLL_LIST_VERTICAL:
5841       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
5842         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
5843       else
5844       {
5845         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
5846         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
5847
5848         if (element_shift < 0)
5849           element_shift = 0;
5850         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
5851           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
5852
5853         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
5854                      GDI_SCROLLBAR_ITEM_POSITION,
5855                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
5856       }
5857
5858       ModifyEditorElementList();
5859
5860       break;
5861
5862     case GADGET_ID_WRAP_LEFT:
5863       WrapLevel(-step, 0);
5864       break;
5865
5866     case GADGET_ID_WRAP_RIGHT:
5867       WrapLevel(step, 0);
5868       break;
5869
5870     case GADGET_ID_WRAP_UP:
5871       WrapLevel(0, -step);
5872       break;
5873
5874     case GADGET_ID_WRAP_DOWN:
5875       WrapLevel(0, step);
5876       break;
5877
5878     case GADGET_ID_SINGLE_ITEMS:
5879     case GADGET_ID_CONNECTED_ITEMS:
5880     case GADGET_ID_LINE:
5881     case GADGET_ID_ARC:
5882     case GADGET_ID_TEXT:
5883     case GADGET_ID_RECTANGLE:
5884     case GADGET_ID_FILLED_BOX:
5885     case GADGET_ID_FLOOD_FILL:
5886     case GADGET_ID_GRAB_BRUSH:
5887     case GADGET_ID_PICK_ELEMENT:
5888       if (drawing_function != GADGET_ID_PICK_ELEMENT)
5889         last_drawing_function = drawing_function;
5890       drawing_function = id;
5891       draw_with_brush = FALSE;
5892       break;
5893
5894     case GADGET_ID_RANDOM_PLACEMENT:
5895       RandomPlacement(new_element);
5896       break;
5897
5898     case GADGET_ID_PROPERTIES:
5899       if (edit_mode != ED_MODE_PROPERTIES)
5900       {
5901         properties_element = new_element;
5902         DrawPropertiesWindow();
5903         edit_mode = ED_MODE_PROPERTIES;
5904       }
5905       else
5906       {
5907         DrawDrawingWindow();
5908         edit_mode = ED_MODE_DRAWING;
5909       }
5910       break;
5911
5912     case GADGET_ID_UNDO:
5913       if (undo_buffer_steps == 0)
5914       {
5915         Request("Undo buffer empty !", REQ_CONFIRM);
5916         break;
5917       }
5918
5919       if (edit_mode != ED_MODE_DRAWING)
5920       {
5921         DrawDrawingWindow();
5922         edit_mode = ED_MODE_DRAWING;
5923       }
5924
5925       undo_buffer_position =
5926         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
5927       undo_buffer_steps--;
5928
5929       for(x=0; x<lev_fieldx; x++)
5930         for(y=0; y<lev_fieldy; y++)
5931           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
5932       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
5933       break;
5934
5935     case GADGET_ID_INFO:
5936       if (edit_mode != ED_MODE_INFO)
5937       {
5938         DrawLevelInfoWindow();
5939         edit_mode = ED_MODE_INFO;
5940       }
5941       else
5942       {
5943         DrawDrawingWindow();
5944         edit_mode = ED_MODE_DRAWING;
5945       }
5946       break;
5947
5948     case GADGET_ID_CLEAR:
5949       if (edit_mode != ED_MODE_DRAWING)
5950       {
5951         DrawDrawingWindow();
5952         edit_mode = ED_MODE_DRAWING;
5953       }
5954
5955       for(x=0; x<MAX_LEV_FIELDX; x++)
5956         for(y=0; y<MAX_LEV_FIELDY; y++)
5957           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
5958       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
5959
5960       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5961       break;
5962
5963     case GADGET_ID_SAVE:
5964       if (leveldir_current->readonly)
5965       {
5966         Request("This level is read only !", REQ_CONFIRM);
5967         break;
5968       }
5969
5970       if (!LevelContainsPlayer)
5971         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5972       else
5973       {
5974         if (Request("Save this level and kill the old ?", REQ_ASK))
5975         {
5976           CopyPlayfield(Feld, Ur);
5977
5978           SaveLevel(level_nr);
5979         }
5980       }
5981       break;
5982
5983     case GADGET_ID_TEST:
5984       if (!LevelContainsPlayer)
5985         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5986       else
5987       {
5988         if (LevelChanged())
5989           level.game_version = GAME_VERSION_ACTUAL;
5990
5991         CopyPlayfield(Ur, FieldBackup);
5992         CopyPlayfield(Feld, Ur);
5993
5994         UnmapLevelEditorGadgets();
5995         UndrawSpecialEditorDoor();
5996
5997         CloseDoor(DOOR_CLOSE_ALL);
5998
5999         DrawCompleteVideoDisplay();
6000
6001         if (setup.autorecord)
6002           TapeStartRecording();
6003
6004         level_editor_test_game = TRUE;
6005         game_status = GAME_MODE_PLAYING;
6006
6007         InitGame();
6008       }
6009       break;
6010
6011     case GADGET_ID_EXIT:
6012       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
6013       break;
6014
6015     default:
6016       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
6017           id <= GADGET_ID_ELEMENTLIST_LAST)
6018       {
6019         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
6020         int new_element = editor_elements[element_position + element_shift];
6021
6022         PickDrawingElement(button, new_element);
6023
6024         if (!stick_element_properties_window &&
6025             drawing_function != GADGET_ID_PICK_ELEMENT)
6026         {
6027           properties_element = new_element;
6028           if (edit_mode == ED_MODE_PROPERTIES)
6029             DrawPropertiesWindow();
6030         }
6031
6032         if (drawing_function == GADGET_ID_PICK_ELEMENT)
6033           ClickOnGadget(level_editor_gadget[last_drawing_function],
6034                         MB_LEFTBUTTON);
6035       }
6036 #ifdef DEBUG
6037       else if (gi->event.type == GD_EVENT_PRESSED)
6038         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
6039       else if (gi->event.type == GD_EVENT_RELEASED)
6040         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
6041       else if (gi->event.type == GD_EVENT_MOVING)
6042         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
6043       else
6044         printf("default: HandleControlButtons: ? (id == %d)\n", id);
6045 #endif
6046       break;
6047   }
6048 }
6049
6050 void HandleLevelEditorKeyInput(Key key)
6051 {
6052   char letter = getCharFromKey(key);
6053   int button = MB_LEFTBUTTON;
6054
6055   if (drawing_function == GADGET_ID_TEXT &&
6056       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
6057   {
6058     if (letter)
6059       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
6060     else if (key == KSYM_Delete || key == KSYM_BackSpace)
6061       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
6062     else if (key == KSYM_Return)
6063       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
6064     else if (key == KSYM_Escape)
6065       DrawLevelText(0, 0, 0, TEXT_END);
6066   }
6067   else if (button_status == MB_RELEASED)
6068   {
6069     int i, id = GADGET_ID_NONE;
6070
6071     switch (key)
6072     {
6073       case KSYM_Left:
6074         id = GADGET_ID_SCROLL_LEFT;
6075         break;
6076       case KSYM_Right:
6077         id = GADGET_ID_SCROLL_RIGHT;
6078         break;
6079       case KSYM_Up:
6080         id = GADGET_ID_SCROLL_UP;
6081         break;
6082       case KSYM_Down:
6083         id = GADGET_ID_SCROLL_DOWN;
6084         break;
6085       case KSYM_Page_Up:
6086         id = GADGET_ID_SCROLL_LIST_UP;
6087         button = MB_RIGHTBUTTON;
6088         break;
6089       case KSYM_Page_Down:
6090         id = GADGET_ID_SCROLL_LIST_DOWN;
6091         button = MB_RIGHTBUTTON;
6092         break;
6093
6094       case KSYM_Escape:
6095         if (edit_mode == ED_MODE_DRAWING)
6096         {
6097           RequestExitLevelEditor(setup.ask_on_escape);
6098         }
6099         else
6100         {
6101           DrawDrawingWindow();
6102           edit_mode = ED_MODE_DRAWING;
6103         }
6104         break;
6105
6106       default:
6107         break;
6108     }
6109
6110     if (id != GADGET_ID_NONE)
6111       ClickOnGadget(level_editor_gadget[id], button);
6112     else if (letter == '.')
6113       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
6114     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
6115       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
6116     else
6117       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
6118         if (letter && letter == control_info[i].shortcut)
6119           if (!anyTextGadgetActive())
6120             ClickOnGadget(level_editor_gadget[i], button);
6121   }
6122 }
6123
6124 void HandleLevelEditorIdle()
6125 {
6126   static unsigned long action_delay = 0;
6127   unsigned long action_delay_value = GameFrameDelay;
6128   int xpos = 1, ypos = 2;
6129
6130   if (edit_mode != ED_MODE_PROPERTIES)
6131     return;
6132
6133   if (!DelayReached(&action_delay, action_delay_value))
6134     return;
6135
6136   DrawGraphicAnimationExt(drawto,
6137                           SX + xpos * TILEX,
6138                           SY + ypos * TILEY + MINI_TILEY / 2,
6139                           el2img(properties_element), -1, NO_MASKING);
6140
6141   MarkTileDirty(xpos, ypos);
6142   MarkTileDirty(xpos, ypos + 1);
6143
6144   FrameCounter++;       /* increase animation frame counter */
6145 }
6146
6147 void ClearEditorGadgetInfoText()
6148 {
6149   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
6150 }
6151
6152 void HandleEditorGadgetInfoText(void *ptr)
6153 {
6154   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
6155   char infotext[MAX_OUTPUT_LINESIZE + 1];
6156   char shortcut[MAX_OUTPUT_LINESIZE + 1];
6157   int max_infotext_len = getMaxInfoTextLength();
6158
6159   if (game_status != GAME_MODE_EDITOR)
6160     return;
6161
6162   ClearEditorGadgetInfoText();
6163
6164   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6165     return;
6166
6167   /* misuse this function to delete brush cursor, if needed */
6168   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
6169     DeleteBrushFromCursor();
6170
6171   if (gi == NULL || gi->info_text == NULL)
6172     return;
6173
6174   strncpy(infotext, gi->info_text, max_infotext_len);
6175   infotext[max_infotext_len] = '\0';
6176
6177   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
6178   {
6179     int key = control_info[gi->custom_id].shortcut;
6180
6181     if (key)
6182     {
6183       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
6184         sprintf(shortcut, " ('.' or '%c')", key);
6185       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
6186         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
6187       else                                              /* normal case */
6188         sprintf(shortcut, " ('%s%c')",
6189                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
6190
6191       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
6192         strcat(infotext, shortcut);
6193     }
6194   }
6195
6196   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
6197 }
6198
6199 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
6200 {
6201   static int start_lx, start_ly;
6202   char *infotext;
6203   int id = gi->custom_id;
6204   int sx = gi->event.x;
6205   int sy = gi->event.y;
6206   int lx = sx + level_xpos;
6207   int ly = sy + level_ypos;
6208   int min_sx = 0, min_sy = 0;
6209   int max_sx = gi->drawing.area_xsize - 1;
6210   int max_sy = gi->drawing.area_ysize - 1;
6211
6212   ClearEditorGadgetInfoText();
6213
6214   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6215     return;
6216
6217   /* make sure to stay inside drawing area boundaries */
6218   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
6219   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
6220
6221   if (id == GADGET_ID_DRAWING_LEVEL)
6222   {
6223     if (button_status)
6224     {
6225       int min_lx = 0, min_ly = 0;
6226       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
6227
6228       /* get positions inside level field */
6229       lx = sx + level_xpos;
6230       ly = sy + level_ypos;
6231
6232       /* make sure to stay inside level field boundaries */
6233       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
6234       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
6235
6236       /* correct drawing area positions accordingly */
6237       sx = lx - level_xpos;
6238       sy = ly - level_ypos;
6239     }
6240
6241     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
6242     {
6243       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
6244       {
6245         if (gi->event.type == GD_EVENT_PRESSED)
6246         {
6247           start_lx = lx;
6248           start_ly = ly;
6249         }
6250
6251         switch (drawing_function)
6252         {
6253           case GADGET_ID_SINGLE_ITEMS:
6254             infotext = "Drawing single items";
6255             break;
6256           case GADGET_ID_CONNECTED_ITEMS:
6257             infotext = "Drawing connected items";
6258             break;
6259           case GADGET_ID_LINE:
6260             infotext = "Drawing line";
6261             break;
6262           case GADGET_ID_ARC:
6263             infotext = "Drawing arc";
6264             break;
6265           case GADGET_ID_TEXT:
6266             infotext = "Setting text cursor";
6267             break;
6268           case GADGET_ID_RECTANGLE:
6269             infotext = "Drawing rectangle";
6270             break;
6271           case GADGET_ID_FILLED_BOX:
6272             infotext = "Drawing filled box";
6273             break;
6274           case GADGET_ID_FLOOD_FILL:
6275             infotext = "Flood fill";
6276             break;
6277           case GADGET_ID_GRAB_BRUSH:
6278             infotext = "Grabbing brush";
6279             break;
6280           case GADGET_ID_PICK_ELEMENT:
6281             infotext = "Picking element";
6282             break;
6283
6284           default:
6285             infotext = "Drawing position";
6286             break;
6287         }
6288
6289         if (drawing_function == GADGET_ID_PICK_ELEMENT)
6290           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6291                     "%s: %d, %d", infotext, lx, ly);
6292         else
6293           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6294                     "%s: %d, %d", infotext,
6295                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
6296       }
6297       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
6298         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6299                   "%s", getElementInfoText(Feld[lx][ly]));
6300       else
6301         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6302                   "Level position: %d, %d", lx, ly);
6303     }
6304
6305     /* misuse this function to draw brush cursor, if needed */
6306     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
6307     {
6308       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6309         CopyBrushToCursor(sx, sy);
6310       else
6311         DeleteBrushFromCursor();
6312     }
6313   }
6314   else if (drawing_function == GADGET_ID_PICK_ELEMENT)
6315   {
6316     if (id == GADGET_ID_AMOEBA_CONTENT)
6317       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6318                 "%s", getElementInfoText(level.amoeba_content));
6319     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6320       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6321                 "%s", getElementInfoText(custom_element.use_gfx_element));
6322     else if (id == GADGET_ID_CUSTOM_CONTENT)
6323       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6324                 "%s", getElementInfoText(custom_element.content[sx][sy]));
6325     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6326       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6327                 "%s", getElementInfoText(custom_element.change.successor));
6328     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6329       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6330                 "%s", getElementInfoText(custom_element.change.trigger));
6331     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6332       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6333                 "%s", getElementInfoText(random_placement_background_element));
6334     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6335              id <= GADGET_ID_ELEMENT_CONTENT_7)
6336     {
6337       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
6338
6339       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6340                 "%s", getElementInfoText(level.yamyam_content[i][sx][sy]));
6341     }
6342   }
6343   else
6344   {
6345     if (id == GADGET_ID_AMOEBA_CONTENT)
6346       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6347                 "Amoeba content");
6348     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6349       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6350                 "Custom graphic element");
6351     else if (id == GADGET_ID_CUSTOM_CONTENT)
6352       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6353                 "Custom element content position: %d, %d", sx, sy);
6354     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6355       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6356                 "New element after change");
6357     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6358       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6359                 "Other element triggering change");
6360     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6361       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6362                 "Random placement background");
6363     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6364              id <= GADGET_ID_ELEMENT_CONTENT_7)
6365       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6366                 "Content area %d position: %d, %d",
6367                 id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
6368   }
6369 }
6370
6371 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
6372 {
6373   if (!ask_if_level_has_changed ||
6374       !LevelChanged() ||
6375       Request("Level has changed! Exit without saving ?",
6376               REQ_ASK | REQ_STAY_OPEN))
6377   {
6378     CloseDoor(DOOR_CLOSE_1);
6379     /*
6380     CloseDoor(DOOR_CLOSE_ALL);
6381     */
6382     game_status = GAME_MODE_MAIN;
6383     DrawMainMenu();
6384   }
6385   else
6386   {
6387     CloseDoor(DOOR_CLOSE_1);
6388     BlitBitmap(bitmap_db_door, bitmap_db_door,
6389                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
6390                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
6391     OpenDoor(DOOR_OPEN_1);
6392   }
6393 }