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   { MV_TURNING_LEFT,            "turning left"                  },
 853   { MV_TURNING_RIGHT,           "turning right"                 },
 854   { -1,                         NULL                            }
 855 };
 856
 857 static struct ValueTextInfo options_move_direction[] =
 858 {
 859   { MV_NO_MOVING,               "automatic"                     },
 860   { MV_LEFT,                    "left"                          },
 861   { MV_RIGHT,                   "right"                         },
 862   { MV_UP,                      "up"                            },
 863   { MV_DOWN,                    "down"                          },
 864   { -1,                         NULL                            }
 865 };
 866
 867 static struct ValueTextInfo options_move_stepsize[] =
 868 {
 869   { 1,                          "very slow"                     },
 870   { 2,                          "slow"                          },
 871   { 4,                          "normal"                        },
 872   { 8,                          "fast"                          },
 873   { 16,                         "very fast"                     },
 874   { -1,                         NULL                            }
 875 };
 876
 877 static struct ValueTextInfo options_consistency[] =
 878 {
 879   { EP_CAN_EXPLODE,             "can explode"                   },
 880   { EP_INDESTRUCTIBLE,          "indestructible"                },
 881   { -1,                         NULL                            }
 882 };
 883 static int value_consistency = 0;
 884
 885 static struct ValueTextInfo options_deadliness[] =
 886 {
 887   { EP_DONT_RUN_INTO,           "running into"                  },
 888   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
 889   { EP_DONT_TOUCH,              "touching"                      },
 890   { -1,                         NULL                            }
 891 };
 892 static int value_deadliness = 0;
 893
 894 static struct ValueTextInfo options_smash_targets[] =
 895 {
 896   { EP_CAN_SMASH_PLAYER,        "player"                        },
 897   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
 898   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
 899   { -1,                         NULL                            }
 900 };
 901 static int value_smash_targets = 0;
 902
 903 static struct ValueTextInfo options_walkable_layer[] =
 904 {
 905   { EP_WALKABLE_OVER,           "over"                          },
 906   { EP_WALKABLE_INSIDE,         "inside"                        },
 907   { EP_WALKABLE_UNDER,          "under"                         },
 908   { -1,                         NULL                            }
 909 };
 910 static int value_walkable_layer = 0;
 911
 912 static struct ValueTextInfo options_time_units[] =
 913 {
 914   { 50,                         "seconds"                       },
 915   { 1,                          "frames"                        },
 916   { -1,                         NULL                            }
 917 };
 918
 919 static struct ValueTextInfo options_change_player_action[] =
 920 {
 921   { CE_TOUCHED_BY_PLAYER,       "touched"                       },
 922   { CE_PRESSED_BY_PLAYER,       "pressed"                       },
 923   { CE_PUSHED_BY_PLAYER,        "pushed"                        },
 924   { -1,                         NULL                            }
 925 };
 926 static int value_change_player_action = 0;
 927
 928 static struct ValueTextInfo options_change_impact_action[] =
 929 {
 930   { CE_IMPACT,                  "on impact"                     },
 931   { CE_SMASHED,                 "when smashed"                  },
 932   { -1,                         NULL                            }
 933 };
 934 static int value_change_impact_action = 0;
 935
 936 static struct ValueTextInfo options_change_other_action[] =
 937 {
 938   { CE_OTHER_COLLECTING,        "collecting"                    },
 939   { CE_OTHER_PUSHING,           "pushing"                       },
 940   { CE_OTHER_CHANGING,          "change of"                     },
 941   { CE_OTHER_EXPLODING,         "explosion of"                  },
 942   { -1,                         NULL                            }
 943 };
 944 static int value_change_other_action = 0;
 945
 946 static struct
 947 {
 948   int x, y;
 949   int gadget_id;
 950   int size;     /* char size of selectbox or '-1' (dynamically determined) */
 951   struct ValueTextInfo *options;
 952   int *value;
 953   char *text_left, *text_right, *infotext;
 954 } selectbox_info[ED_NUM_SELECTBOX] =
 955 {
 956   {
 957     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 958     GADGET_ID_CUSTOM_WALK_TO_ACTION,
 959     -1,
 960     options_walk_to_action,
 961     &value_walk_to_action,
 962     NULL, NULL, "diggable/collectible/pushable"
 963   },
 964   {
 965     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
 966     GADGET_ID_CUSTOM_CONSISTENCY,
 967     -1,
 968     options_consistency,
 969     &value_consistency,
 970     NULL, "explodes to:", "consistency/destructibility"
 971   },
 972   {
 973     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(1),
 974     GADGET_ID_CUSTOM_DEADLINESS,
 975     -1,
 976     options_deadliness,
 977     &value_deadliness,
 978     "deadly when", NULL, "deadliness of element"
 979   },
 980   {
 981     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
 982     GADGET_ID_CUSTOM_MOVE_PATTERN,
 983     -1,
 984     options_move_pattern,
 985     &custom_element.move_pattern,
 986     "can move", NULL, "element move direction"
 987   },
 988   {
 989     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
 990     GADGET_ID_CUSTOM_MOVE_DIRECTION,
 991     -1,
 992     options_move_direction,
 993     &custom_element.move_direction_initial,
 994     "starts moving", NULL, "initial element move direction"
 995   },
 996   {
 997     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
 998     GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 999     -1,
1000     options_move_stepsize,
1001     &custom_element.move_stepsize,
1002     "move speed", NULL, "speed of element movement"
1003   },
1004   {
1005     ED_SETTINGS_XPOS(7),                ED_SETTINGS_YPOS(10),
1006     GADGET_ID_CUSTOM_SMASH_TARGETS,
1007     -1,
1008     options_smash_targets,
1009     &value_smash_targets,
1010     "can smash", NULL, "elements that can be smashed"
1011   },
1012   {
1013     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(12),
1014     GADGET_ID_CUSTOM_WALKABLE_LAYER,
1015     -1,
1016     options_walkable_layer,
1017     &value_walkable_layer,
1018     "player can walk", NULL, "layer where player can walk"
1019   },
1020   {
1021     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
1022     GADGET_ID_CHANGE_TIME_UNITS,
1023     -1,
1024     options_time_units,
1025     &custom_element.change.delay_frames,
1026     "delay time given in", NULL, "delay time units for change"
1027   },
1028   {
1029     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(5),
1030     GADGET_ID_CHANGE_PLAYER_ACTION,
1031     -1,
1032     options_change_player_action,
1033     &value_change_player_action,
1034     NULL, "by player", "type of player contact"
1035   },
1036   {
1037     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(6),
1038     GADGET_ID_CHANGE_IMPACT_ACTION,
1039     -1,
1040     options_change_impact_action,
1041     &value_change_impact_action,
1042     NULL, NULL, "change after impact or smash"
1043   },
1044   {
1045     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(7),
1046     GADGET_ID_CHANGE_OTHER_ACTION,
1047     -1,
1048     options_change_other_action,
1049     &value_change_other_action,
1050     NULL, "other element:", "type of other element action"
1051   },
1052 };
1053
1054 static struct
1055 {
1056   int x, y;
1057   int gadget_id;
1058   int size;
1059   char *text, *infotext;
1060 } textbutton_info[ED_NUM_TEXTBUTTON] =
1061 {
1062   {
1063     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1064     GADGET_ID_PROPERTIES_INFO,
1065     11, "Information",                  "Show information about element"
1066   },
1067   {
1068     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
1069     GADGET_ID_PROPERTIES_CONFIG,
1070     11, "Configure",                    "Configure element properties"
1071   },
1072   {
1073     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
1074     GADGET_ID_PROPERTIES_ADVANCED,
1075     11, "Advanced",                     "Advanced element configuration"
1076   },
1077   {
1078     ED_SETTINGS_XPOS(0) + 262,          ED_SETTINGS_YPOS(12),
1079     GADGET_ID_SAVE_AS_TEMPLATE,
1080     -1, "Save as template",             "Save current settings as new template"
1081   },
1082 };
1083
1084 static struct
1085 {
1086   int gd_x, gd_y;
1087   int x, y;
1088   int gadget_id;
1089   char *infotext;
1090 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
1091 {
1092   {
1093     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
1094     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
1095     GADGET_ID_SCROLL_UP,
1096     "scroll level editing area up"
1097   },
1098   {
1099     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
1100     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
1101     GADGET_ID_SCROLL_DOWN,
1102     "scroll level editing area down"
1103   },
1104   {
1105     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
1106     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
1107     GADGET_ID_SCROLL_LEFT,
1108     "scroll level editing area left"
1109   },
1110   {
1111     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1112     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1113     GADGET_ID_SCROLL_RIGHT,
1114     "scroll level editing area right"
1115   },
1116   {
1117     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1118     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1119     GADGET_ID_SCROLL_LIST_UP,
1120     "scroll element list up ('Page Up')"
1121   },
1122   {
1123     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1124     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
1125     GADGET_ID_SCROLL_LIST_DOWN,
1126     "scroll element list down ('Page Down')"
1127   }
1128 };
1129
1130 static struct
1131 {
1132   int gd_x, gd_y;
1133   int x, y;
1134   int width, height;
1135   int type;
1136   int gadget_id;
1137   char *infotext;
1138 } scrollbar_info[ED_NUM_SCROLLBARS] =
1139 {
1140   {
1141     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1142     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1143     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1144     GD_TYPE_SCROLLBAR_HORIZONTAL,
1145     GADGET_ID_SCROLL_HORIZONTAL,
1146     "scroll level editing area horizontally"
1147   },
1148   {
1149     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1150     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1151     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1152     GD_TYPE_SCROLLBAR_VERTICAL,
1153     GADGET_ID_SCROLL_VERTICAL,
1154     "scroll level editing area vertically"
1155   },
1156   {
1157     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1158     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1159     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1160     GD_TYPE_SCROLLBAR_VERTICAL,
1161     GADGET_ID_SCROLL_LIST_VERTICAL,
1162     "scroll element list vertically"
1163   }
1164 };
1165
1166 static struct
1167 {
1168   int x, y;
1169   int gadget_id;
1170   int radio_button_nr;
1171   int *value;
1172   int checked_value;
1173   char *text_right, *infotext;
1174 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1175 {
1176   {
1177     ED_SETTINGS_XPOS(0) + 160,          ED_COUNTER2_YPOS(8),
1178     GADGET_ID_RANDOM_PERCENTAGE,
1179     RADIO_NR_RANDOM_ELEMENTS,
1180     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1181     "percentage",                       "use percentage for random elements"
1182   },
1183   {
1184     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER2_YPOS(8),
1185     GADGET_ID_RANDOM_QUANTITY,
1186     RADIO_NR_RANDOM_ELEMENTS,
1187     &random_placement_method,           RANDOM_USE_QUANTITY,
1188     "quantity",                         "use quantity for random elements"
1189   }
1190 };
1191
1192 static struct
1193 {
1194   int x, y;
1195   int gadget_id;
1196   boolean *value;
1197   char *text_right, *infotext;
1198 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1199 {
1200   {
1201     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1202     GADGET_ID_DOUBLE_SPEED,
1203     &level.double_speed,
1204     "double speed movement",            "set movement speed of player"
1205   },
1206   {
1207     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER_YPOS(6) - MINI_TILEY,
1208     GADGET_ID_GRAVITY,
1209     &level.gravity,
1210     "gravity",                          "set level gravity"
1211   },
1212   {
1213     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1214     GADGET_ID_RANDOM_RESTRICTED,
1215     &random_placement_background_restricted,
1216     "restrict random placement to",     "set random placement restriction"
1217   },
1218   {
1219     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
1220     GADGET_ID_STICK_ELEMENT,
1221     &stick_element_properties_window,
1222     "stick this screen to edit content","stick this screen to edit content"
1223   },
1224   {
1225     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1226     GADGET_ID_EM_SLIPPERY_GEMS,
1227     &level.em_slippery_gems,
1228     "slip down from certain flat walls","use EM style slipping behaviour"
1229   },
1230   {
1231     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1232     GADGET_ID_CUSTOM_EXPLODE_RESULT,
1233     &custom_element_properties[EP_EXPLODE_RESULT],
1234     NULL,                               "set consistency/destructibility"
1235   },
1236   {
1237     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1238     GADGET_ID_CUSTOM_EXPLODE_FIRE,
1239     &custom_element_properties[EP_CAN_EXPLODE_BY_FIRE],
1240     "by fire",                          "element can explode by fire/explosion"
1241   },
1242   {
1243     ED_SETTINGS_XPOS(7),                ED_SETTINGS_YPOS(3),
1244     GADGET_ID_CUSTOM_EXPLODE_SMASH,
1245     &custom_element_properties[EP_CAN_EXPLODE_SMASHED],
1246     "smashed",                          "element can explode when smashed"
1247   },
1248   {
1249     ED_SETTINGS_XPOS(13),               ED_SETTINGS_YPOS(3),
1250     GADGET_ID_CUSTOM_EXPLODE_IMPACT,
1251     &custom_element_properties[EP_CAN_EXPLODE_IMPACT],
1252     "impact",                           "element can explode on impact"
1253   },
1254   {
1255     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(4),
1256     GADGET_ID_CUSTOM_WALK_TO_OBJECT,
1257     &custom_element_properties[EP_WALK_TO_OBJECT],
1258     NULL,                               "player can dig/collect/push element"
1259   },
1260   {
1261     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1262     GADGET_ID_CUSTOM_DEADLY,
1263     &custom_element_properties[EP_DEADLY],
1264     NULL,                               "element can kill the player"
1265   },
1266   {
1267     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
1268     GADGET_ID_CUSTOM_CAN_MOVE,
1269     &custom_element_properties[EP_CAN_MOVE],
1270     NULL,                               "element can move in some direction"
1271   },
1272   {
1273     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1274     GADGET_ID_CUSTOM_CAN_FALL,
1275     &custom_element_properties[EP_CAN_FALL],
1276     "can fall",                         "element can fall down"
1277   },
1278   {
1279     ED_SETTINGS_XPOS(6),                ED_SETTINGS_YPOS(10),
1280     GADGET_ID_CUSTOM_CAN_SMASH,
1281     &custom_element_properties[EP_CAN_SMASH],
1282     NULL,                               "element can smash other elements"
1283   },
1284   {
1285     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(11),
1286     GADGET_ID_CUSTOM_SLIPPERY,
1287     &custom_element_properties[EP_SLIPPERY],
1288     "slippery",                         "other elements can fall down from it"
1289   },
1290   {
1291     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1292     GADGET_ID_CUSTOM_WALKABLE,
1293     &custom_element_properties[EP_WALKABLE],
1294     NULL,                               "player can walk on the same field"
1295   },
1296   {
1297     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1298     GADGET_ID_CUSTOM_USE_GRAPHIC,
1299     &custom_element.use_gfx_element,
1300     "use graphic of element:",          "use graphic for custom element"
1301   },
1302   {
1303     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1304     GADGET_ID_CUSTOM_USE_TEMPLATE,
1305     &custom_element.use_template,
1306     "use template",                     "use template for custom properties"
1307   },
1308   {
1309     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1310     GADGET_ID_CUSTOM_CAN_CHANGE,
1311     &custom_element_properties[EP_CAN_CHANGE],
1312     "element changes to    after/when:","element can change to other element"
1313   },
1314   {
1315     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1316     GADGET_ID_CHANGE_DELAY,
1317     &custom_element_change_events[CE_DELAY],
1318     NULL,                               "element changes after delay"
1319   },
1320   {
1321     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1322     GADGET_ID_CHANGE_BY_PLAYER,
1323     &custom_element_change_events[CE_BY_PLAYER],
1324     NULL,                               "element changes by player contact"
1325   },
1326   {
1327     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1328     GADGET_ID_CHANGE_IMPACT_SMASHED,
1329     &custom_element_change_events[CE_IMPACT_SMASHED],
1330     NULL,                               "element changes by impact or smash"
1331   },
1332   {
1333     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
1334     GADGET_ID_CHANGE_BY_OTHER,
1335     &custom_element_change_events[CE_BY_OTHER],
1336     NULL,                               "element changes by other element"
1337   },
1338 };
1339
1340
1341 /*
1342   -----------------------------------------------------------------------------
1343   some internally used variables
1344   -----------------------------------------------------------------------------
1345 */
1346
1347 /* actual size of level editor drawing area */
1348 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1349
1350 /* actual position of level editor drawing area in level playfield */
1351 static int level_xpos = -1, level_ypos = -1;
1352
1353 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1354
1355 /* drawing elements on the three mouse buttons */
1356 static int new_element1 = EL_WALL;
1357 static int new_element2 = EL_EMPTY;
1358 static int new_element3 = EL_SAND;
1359
1360 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1361                                 (button) == 2 ? new_element2 : \
1362                                 (button) == 3 ? new_element3 : EL_EMPTY)
1363 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1364
1365 /* forward declaration for internal use */
1366 static void ModifyEditorCounter(int, int);
1367 static void ModifyEditorCounterLimits(int, int, int);
1368 static void ModifyEditorSelectbox(int, int);
1369 static void ModifyEditorElementList();
1370 static void DrawDrawingWindow();
1371 static void DrawLevelInfoWindow();
1372 static void DrawPropertiesWindow();
1373 static boolean checkPropertiesConfig();
1374 static void CopyLevelToUndoBuffer(int);
1375 static void HandleDrawingAreas(struct GadgetInfo *);
1376 static void HandleCounterButtons(struct GadgetInfo *);
1377 static void HandleTextInputGadgets(struct GadgetInfo *);
1378 static void HandleSelectboxGadgets(struct GadgetInfo *);
1379 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1380 static void HandleRadiobuttons(struct GadgetInfo *);
1381 static void HandleCheckbuttons(struct GadgetInfo *);
1382 static void HandleControlButtons(struct GadgetInfo *);
1383 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1384
1385 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1386
1387 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1388 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1389 static boolean draw_with_brush = FALSE;
1390 static int properties_element = 0;
1391
1392 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1393 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1394 static int undo_buffer_position = 0;
1395 static int undo_buffer_steps = 0;
1396
1397 static int edit_mode;
1398 static int edit_mode_properties;
1399
1400 static int element_shift = 0;
1401
1402 static int editor_el_boulderdash[] =
1403 {
1404   EL_CHAR('B'),
1405   EL_CHAR('O'),
1406   EL_CHAR('U'),
1407   EL_CHAR('L'),
1408
1409   EL_CHAR('-'),
1410   EL_CHAR('D'),
1411   EL_CHAR('E'),
1412   EL_CHAR('R'),
1413
1414   EL_CHAR('D'),
1415   EL_CHAR('A'),
1416   EL_CHAR('S'),
1417   EL_CHAR('H'),
1418
1419   EL_PLAYER_1,
1420   EL_EMPTY,
1421   EL_SAND,
1422   EL_STEELWALL,
1423
1424   EL_BD_WALL,
1425   EL_BD_MAGIC_WALL,
1426   EL_EXIT_CLOSED,
1427   EL_EXIT_OPEN,
1428
1429   EL_BD_DIAMOND,
1430   EL_BD_BUTTERFLY_UP,
1431   EL_BD_FIREFLY_UP,
1432   EL_BD_ROCK,
1433
1434   EL_BD_BUTTERFLY_LEFT,
1435   EL_BD_FIREFLY_LEFT,
1436   EL_BD_BUTTERFLY_RIGHT,
1437   EL_BD_FIREFLY_RIGHT,
1438
1439   EL_BD_AMOEBA,
1440   EL_BD_BUTTERFLY_DOWN,
1441   EL_BD_FIREFLY_DOWN,
1442   EL_EMPTY,
1443 };
1444 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1445
1446 static int editor_el_emerald_mine[] =
1447 {
1448   EL_CHAR('E'),
1449   EL_CHAR('M'),
1450   EL_CHAR('E'),
1451   EL_CHAR('-'),
1452
1453   EL_CHAR('R'),
1454   EL_CHAR('A'),
1455   EL_CHAR('L'),
1456   EL_CHAR('D'),
1457
1458   EL_CHAR('M'),
1459   EL_CHAR('I'),
1460   EL_CHAR('N'),
1461   EL_CHAR('E'),
1462
1463   EL_PLAYER_1,
1464   EL_PLAYER_2,
1465   EL_PLAYER_3,
1466   EL_PLAYER_4,
1467
1468   EL_PLAYER_1,
1469   EL_EMPTY,
1470   EL_SAND,
1471   EL_ROCK,
1472
1473   EL_STEELWALL,
1474   EL_WALL,
1475   EL_WALL_CRUMBLED,
1476   EL_MAGIC_WALL,
1477
1478   EL_EMERALD,
1479   EL_DIAMOND,
1480   EL_NUT,
1481   EL_BOMB,
1482
1483   EL_WALL_EMERALD,
1484   EL_WALL_DIAMOND,
1485   EL_QUICKSAND_EMPTY,
1486   EL_QUICKSAND_FULL,
1487
1488   EL_DYNAMITE,
1489   EL_DYNAMITE_ACTIVE,
1490   EL_EXIT_CLOSED,
1491   EL_EXIT_OPEN,
1492
1493   EL_YAMYAM,
1494   EL_BUG_UP,
1495   EL_SPACESHIP_UP,
1496   EL_ROBOT,
1497
1498   EL_BUG_LEFT,
1499   EL_SPACESHIP_LEFT,
1500   EL_BUG_RIGHT,
1501   EL_SPACESHIP_RIGHT,
1502
1503   EL_ROBOT_WHEEL,
1504   EL_BUG_DOWN,
1505   EL_SPACESHIP_DOWN,
1506   EL_INVISIBLE_WALL,
1507
1508   EL_ACID_POOL_TOPLEFT,
1509   EL_ACID,
1510   EL_ACID_POOL_TOPRIGHT,
1511   EL_EMPTY,
1512
1513   EL_ACID_POOL_BOTTOMLEFT,
1514   EL_ACID_POOL_BOTTOM,
1515   EL_ACID_POOL_BOTTOMRIGHT,
1516   EL_EMPTY,
1517
1518   EL_AMOEBA_DROP,
1519   EL_AMOEBA_DEAD,
1520   EL_AMOEBA_WET,
1521   EL_AMOEBA_DRY,
1522
1523   EL_EM_KEY_1_FILE,
1524   EL_EM_KEY_2_FILE,
1525   EL_EM_KEY_3_FILE,
1526   EL_EM_KEY_4_FILE,
1527
1528   EL_EM_GATE_1,
1529   EL_EM_GATE_2,
1530   EL_EM_GATE_3,
1531   EL_EM_GATE_4,
1532
1533   EL_EM_GATE_1_GRAY,
1534   EL_EM_GATE_2_GRAY,
1535   EL_EM_GATE_3_GRAY,
1536   EL_EM_GATE_4_GRAY,
1537 };
1538 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1539
1540 static int editor_el_more[] =
1541 {
1542   EL_CHAR('M'),
1543   EL_CHAR('O'),
1544   EL_CHAR('R'),
1545   EL_CHAR('E'),
1546
1547   EL_KEY_1,
1548   EL_KEY_2,
1549   EL_KEY_3,
1550   EL_KEY_4,
1551
1552   EL_GATE_1,
1553   EL_GATE_2,
1554   EL_GATE_3,
1555   EL_GATE_4,
1556
1557   EL_GATE_1_GRAY,
1558   EL_GATE_2_GRAY,
1559   EL_GATE_3_GRAY,
1560   EL_GATE_4_GRAY,
1561
1562   EL_ARROW_LEFT,
1563   EL_ARROW_RIGHT,
1564   EL_ARROW_UP,
1565   EL_ARROW_DOWN,
1566
1567   EL_AMOEBA_FULL,
1568   EL_EMERALD_YELLOW,
1569   EL_EMERALD_RED,
1570   EL_EMERALD_PURPLE,
1571
1572   EL_WALL_BD_DIAMOND,
1573   EL_WALL_EMERALD_YELLOW,
1574   EL_WALL_EMERALD_RED,
1575   EL_WALL_EMERALD_PURPLE,
1576
1577   EL_GAME_OF_LIFE,
1578   EL_PACMAN_UP,
1579   EL_TIME_ORB_FULL,
1580   EL_TIME_ORB_EMPTY,
1581
1582   EL_PACMAN_LEFT,
1583   EL_DARK_YAMYAM,
1584   EL_PACMAN_RIGHT,
1585   EL_EXPANDABLE_WALL,
1586
1587   EL_BIOMAZE,
1588   EL_PACMAN_DOWN,
1589   EL_LAMP,
1590   EL_LAMP_ACTIVE,
1591
1592   EL_DYNABOMB_INCREASE_NUMBER,
1593   EL_DYNABOMB_INCREASE_SIZE,
1594   EL_DYNABOMB_INCREASE_POWER,
1595   EL_STONEBLOCK,
1596
1597   EL_MOLE,
1598   EL_PENGUIN,
1599   EL_PIG,
1600   EL_DRAGON,
1601
1602   EL_EMPTY,
1603   EL_MOLE_UP,
1604   EL_EMPTY,
1605   EL_EMPTY,
1606
1607   EL_MOLE_LEFT,
1608   EL_EMPTY,
1609   EL_MOLE_RIGHT,
1610   EL_EMPTY,
1611
1612   EL_EMPTY,
1613   EL_MOLE_DOWN,
1614   EL_BALLOON,
1615   EL_BALLOON_SWITCH_ANY,
1616
1617   EL_BALLOON_SWITCH_LEFT,
1618   EL_BALLOON_SWITCH_RIGHT,
1619   EL_BALLOON_SWITCH_UP,
1620   EL_BALLOON_SWITCH_DOWN,
1621
1622   EL_SATELLITE,
1623   EL_EXPANDABLE_WALL_HORIZONTAL,
1624   EL_EXPANDABLE_WALL_VERTICAL,
1625   EL_EXPANDABLE_WALL_ANY,
1626
1627   EL_INVISIBLE_STEELWALL,
1628   EL_INVISIBLE_WALL,
1629   EL_SPEED_PILL,
1630   EL_BLACK_ORB,
1631
1632   EL_EMC_STEELWALL_1,
1633   EL_EMC_WALL_1,
1634   EL_EMC_WALL_2,
1635   EL_EMC_WALL_3,
1636
1637   EL_EMC_WALL_4,
1638   EL_EMC_WALL_5,
1639   EL_EMC_WALL_6,
1640   EL_EMC_WALL_7,
1641 };
1642 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1643
1644 static int editor_el_sokoban[] =
1645 {
1646   EL_CHAR('S'),
1647   EL_CHAR('O'),
1648   EL_CHAR('K'),
1649   EL_CHAR('O'),
1650
1651   EL_CHAR('-'),
1652   EL_CHAR('B'),
1653   EL_CHAR('A'),
1654   EL_CHAR('N'),
1655
1656   EL_SOKOBAN_OBJECT,
1657   EL_SOKOBAN_FIELD_EMPTY,
1658   EL_SOKOBAN_FIELD_FULL,
1659   EL_STEELWALL,
1660 };
1661 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1662
1663 static int editor_el_supaplex[] =
1664 {
1665   EL_CHAR('S'),
1666   EL_CHAR('U'),
1667   EL_CHAR('P'),
1668   EL_CHAR('A'),
1669
1670   EL_CHAR('P'),
1671   EL_CHAR('L'),
1672   EL_CHAR('E'),
1673   EL_CHAR('X'),
1674
1675   EL_SP_EMPTY,
1676   EL_SP_ZONK,
1677   EL_SP_BASE,
1678   EL_SP_MURPHY,
1679
1680   EL_SP_INFOTRON,
1681   EL_SP_CHIP_SINGLE,
1682   EL_SP_HARDWARE_GRAY,
1683   EL_SP_EXIT_CLOSED,
1684
1685   EL_SP_DISK_ORANGE,
1686   EL_SP_PORT_RIGHT,
1687   EL_SP_PORT_DOWN,
1688   EL_SP_PORT_LEFT,
1689
1690   EL_SP_PORT_UP,
1691   EL_SP_GRAVITY_PORT_RIGHT,
1692   EL_SP_GRAVITY_PORT_DOWN,
1693   EL_SP_GRAVITY_PORT_LEFT,
1694
1695   EL_SP_GRAVITY_PORT_UP,
1696   EL_SP_SNIKSNAK,
1697   EL_SP_DISK_YELLOW,
1698   EL_SP_TERMINAL,
1699
1700   EL_SP_DISK_RED,
1701   EL_SP_PORT_VERTICAL,
1702   EL_SP_PORT_HORIZONTAL,
1703   EL_SP_PORT_ANY,
1704
1705   EL_SP_ELECTRON,
1706   EL_SP_BUGGY_BASE,
1707   EL_SP_CHIP_LEFT,
1708   EL_SP_CHIP_RIGHT,
1709
1710   EL_SP_HARDWARE_BASE_1,
1711   EL_SP_HARDWARE_GREEN,
1712   EL_SP_HARDWARE_BLUE,
1713   EL_SP_HARDWARE_RED,
1714
1715   EL_SP_HARDWARE_YELLOW,
1716   EL_SP_HARDWARE_BASE_2,
1717   EL_SP_HARDWARE_BASE_3,
1718   EL_SP_HARDWARE_BASE_4,
1719
1720   EL_SP_HARDWARE_BASE_5,
1721   EL_SP_HARDWARE_BASE_6,
1722   EL_SP_CHIP_TOP,
1723   EL_SP_CHIP_BOTTOM,
1724 };
1725 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1726
1727 static int editor_el_diamond_caves[] =
1728 {
1729   EL_CHAR('D'),
1730   EL_CHAR('I'),
1731   EL_CHAR('A'),
1732   EL_CHAR('-'),
1733
1734   EL_CHAR('M'),
1735   EL_CHAR('O'),
1736   EL_CHAR('N'),
1737   EL_CHAR('D'),
1738
1739   EL_CHAR('C'),
1740   EL_CHAR('A'),
1741   EL_CHAR('V'),
1742   EL_CHAR('E'),
1743
1744   EL_CHAR('S'),
1745   EL_CHAR(' '),
1746   EL_CHAR('I'),
1747   EL_CHAR('I'),
1748
1749   EL_PEARL,
1750   EL_CRYSTAL,
1751   EL_WALL_PEARL,
1752   EL_WALL_CRYSTAL,
1753
1754   EL_CONVEYOR_BELT_1_LEFT,
1755   EL_CONVEYOR_BELT_1_MIDDLE,
1756   EL_CONVEYOR_BELT_1_RIGHT,
1757   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1758
1759   EL_CONVEYOR_BELT_2_LEFT,
1760   EL_CONVEYOR_BELT_2_MIDDLE,
1761   EL_CONVEYOR_BELT_2_RIGHT,
1762   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1763
1764   EL_CONVEYOR_BELT_3_LEFT,
1765   EL_CONVEYOR_BELT_3_MIDDLE,
1766   EL_CONVEYOR_BELT_3_RIGHT,
1767   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1768
1769   EL_CONVEYOR_BELT_4_LEFT,
1770   EL_CONVEYOR_BELT_4_MIDDLE,
1771   EL_CONVEYOR_BELT_4_RIGHT,
1772   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1773
1774   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1775   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1776   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1777   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1778
1779   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1780   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1781   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1782   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1783
1784   EL_SWITCHGATE_OPEN,
1785   EL_SWITCHGATE_CLOSED,
1786   EL_SWITCHGATE_SWITCH_UP,
1787   EL_ENVELOPE,
1788
1789   EL_TIMEGATE_CLOSED,
1790   EL_TIMEGATE_OPEN,
1791   EL_TIMEGATE_SWITCH,
1792   EL_EMPTY,
1793
1794   EL_LANDMINE,
1795   EL_INVISIBLE_SAND,
1796   EL_STEELWALL_SLANTED,
1797   EL_EMPTY,
1798
1799   EL_SIGN_EXCLAMATION,
1800   EL_SIGN_STOP,
1801   EL_LIGHT_SWITCH,
1802   EL_LIGHT_SWITCH_ACTIVE,
1803
1804   EL_SHIELD_NORMAL,
1805   EL_SHIELD_DEADLY,
1806   EL_EXTRA_TIME,
1807   EL_EMPTY,
1808 };
1809 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1810
1811 static int editor_el_dx_boulderdash[] =
1812 {
1813   EL_CHAR('D'),
1814   EL_CHAR('X'),
1815   EL_CHAR('-'),
1816   EL_CHAR(' '),
1817
1818   EL_CHAR('B'),
1819   EL_CHAR('O'),
1820   EL_CHAR('U'),
1821   EL_CHAR('L'),
1822
1823   EL_CHAR('-'),
1824   EL_CHAR('D'),
1825   EL_CHAR('E'),
1826   EL_CHAR('R'),
1827
1828   EL_CHAR('D'),
1829   EL_CHAR('A'),
1830   EL_CHAR('S'),
1831   EL_CHAR('H'),
1832
1833   EL_SPRING,
1834   EL_TUBE_RIGHT_DOWN,
1835   EL_TUBE_HORIZONTAL_DOWN,
1836   EL_TUBE_LEFT_DOWN,
1837
1838   EL_TUBE_HORIZONTAL,
1839   EL_TUBE_VERTICAL_RIGHT,
1840   EL_TUBE_ANY,
1841   EL_TUBE_VERTICAL_LEFT,
1842
1843   EL_TUBE_VERTICAL,
1844   EL_TUBE_RIGHT_UP,
1845   EL_TUBE_HORIZONTAL_UP,
1846   EL_TUBE_LEFT_UP,
1847
1848   EL_TRAP,
1849   EL_DX_SUPABOMB,
1850   EL_EMPTY,
1851   EL_EMPTY
1852 };
1853 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
1854
1855 static int editor_el_chars[] =
1856 {
1857   EL_CHAR('T'),
1858   EL_CHAR('E'),
1859   EL_CHAR('X'),
1860   EL_CHAR('T'),
1861
1862   EL_CHAR(' '),
1863   EL_CHAR('!'),
1864   EL_CHAR('"'),
1865   EL_CHAR('#'),
1866
1867   EL_CHAR('$'),
1868   EL_CHAR('%'),
1869   EL_CHAR('&'),
1870   EL_CHAR('\''),
1871
1872   EL_CHAR('('),
1873   EL_CHAR(')'),
1874   EL_CHAR('*'),
1875   EL_CHAR('+'),
1876
1877   EL_CHAR(','),
1878   EL_CHAR('-'),
1879   EL_CHAR('.'),
1880   EL_CHAR('/'),
1881
1882   EL_CHAR('0'),
1883   EL_CHAR('1'),
1884   EL_CHAR('2'),
1885   EL_CHAR('3'),
1886
1887   EL_CHAR('4'),
1888   EL_CHAR('5'),
1889   EL_CHAR('6'),
1890   EL_CHAR('7'),
1891
1892   EL_CHAR('8'),
1893   EL_CHAR('9'),
1894   EL_CHAR(':'),
1895   EL_CHAR(';'),
1896
1897   EL_CHAR('<'),
1898   EL_CHAR('='),
1899   EL_CHAR('>'),
1900   EL_CHAR('?'),
1901
1902   EL_CHAR('@'),
1903   EL_CHAR('A'),
1904   EL_CHAR('B'),
1905   EL_CHAR('C'),
1906
1907   EL_CHAR('D'),
1908   EL_CHAR('E'),
1909   EL_CHAR('F'),
1910   EL_CHAR('G'),
1911
1912   EL_CHAR('H'),
1913   EL_CHAR('I'),
1914   EL_CHAR('J'),
1915   EL_CHAR('K'),
1916
1917   EL_CHAR('L'),
1918   EL_CHAR('M'),
1919   EL_CHAR('N'),
1920   EL_CHAR('O'),
1921
1922   EL_CHAR('P'),
1923   EL_CHAR('Q'),
1924   EL_CHAR('R'),
1925   EL_CHAR('S'),
1926
1927   EL_CHAR('T'),
1928   EL_CHAR('U'),
1929   EL_CHAR('V'),
1930   EL_CHAR('W'),
1931
1932   EL_CHAR('X'),
1933   EL_CHAR('Y'),
1934   EL_CHAR('Z'),
1935   EL_CHAR('['),
1936
1937   EL_CHAR('\\'),
1938   EL_CHAR(']'),
1939   EL_CHAR('^'),
1940   EL_CHAR('_'),
1941
1942   EL_CHAR('©'),
1943   EL_CHAR('Ä'),
1944   EL_CHAR('Ö'),
1945   EL_CHAR('Ü'),
1946
1947   EL_CHAR('°'),
1948   EL_CHAR('®'),
1949   EL_CHAR(FONT_ASCII_CURSOR),
1950   EL_CHAR(' ')
1951 };
1952 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
1953
1954 static int editor_el_custom[] =
1955 {
1956   EL_CHAR('C'),
1957   EL_CHAR('U'),
1958   EL_CHAR('S'),
1959   EL_CHAR('-'),
1960
1961   EL_CHAR('T'),
1962   EL_CHAR('O'),
1963   EL_CHAR('M'),
1964   EL_CHAR(' '),
1965
1966   EL_CHAR('E'),
1967   EL_CHAR('L'),
1968   EL_CHAR('E'),
1969   EL_CHAR('M'),
1970
1971   EL_CHAR('E'),
1972   EL_CHAR('N'),
1973   EL_CHAR('T'),
1974   EL_CHAR('S'),
1975
1976   EL_CUSTOM_START + 0,
1977   EL_CUSTOM_START + 1,
1978   EL_CUSTOM_START + 2,
1979   EL_CUSTOM_START + 3,
1980
1981   EL_CUSTOM_START + 4,
1982   EL_CUSTOM_START + 5,
1983   EL_CUSTOM_START + 6,
1984   EL_CUSTOM_START + 7,
1985
1986   EL_CUSTOM_START + 8,
1987   EL_CUSTOM_START + 9,
1988   EL_CUSTOM_START + 10,
1989   EL_CUSTOM_START + 11,
1990
1991   EL_CUSTOM_START + 12,
1992   EL_CUSTOM_START + 13,
1993   EL_CUSTOM_START + 14,
1994   EL_CUSTOM_START + 15,
1995
1996   EL_CUSTOM_START + 16,
1997   EL_CUSTOM_START + 17,
1998   EL_CUSTOM_START + 18,
1999   EL_CUSTOM_START + 19,
2000
2001   EL_CUSTOM_START + 20,
2002   EL_CUSTOM_START + 21,
2003   EL_CUSTOM_START + 22,
2004   EL_CUSTOM_START + 23,
2005
2006   EL_CUSTOM_START + 24,
2007   EL_CUSTOM_START + 25,
2008   EL_CUSTOM_START + 26,
2009   EL_CUSTOM_START + 27,
2010
2011   EL_CUSTOM_START + 28,
2012   EL_CUSTOM_START + 29,
2013   EL_CUSTOM_START + 30,
2014   EL_CUSTOM_START + 31,
2015
2016   EL_CUSTOM_START + 32,
2017   EL_CUSTOM_START + 33,
2018   EL_CUSTOM_START + 34,
2019   EL_CUSTOM_START + 35,
2020
2021   EL_CUSTOM_START + 36,
2022   EL_CUSTOM_START + 37,
2023   EL_CUSTOM_START + 38,
2024   EL_CUSTOM_START + 39,
2025
2026   EL_CUSTOM_START + 40,
2027   EL_CUSTOM_START + 41,
2028   EL_CUSTOM_START + 42,
2029   EL_CUSTOM_START + 43,
2030
2031   EL_CUSTOM_START + 44,
2032   EL_CUSTOM_START + 45,
2033   EL_CUSTOM_START + 46,
2034   EL_CUSTOM_START + 47,
2035
2036   EL_CUSTOM_START + 48,
2037   EL_CUSTOM_START + 49,
2038   EL_CUSTOM_START + 50,
2039   EL_CUSTOM_START + 51,
2040
2041   EL_CUSTOM_START + 52,
2042   EL_CUSTOM_START + 53,
2043   EL_CUSTOM_START + 54,
2044   EL_CUSTOM_START + 55,
2045
2046   EL_CUSTOM_START + 56,
2047   EL_CUSTOM_START + 57,
2048   EL_CUSTOM_START + 58,
2049   EL_CUSTOM_START + 59,
2050
2051   EL_CUSTOM_START + 60,
2052   EL_CUSTOM_START + 61,
2053   EL_CUSTOM_START + 62,
2054   EL_CUSTOM_START + 63,
2055
2056   EL_CUSTOM_START + 64,
2057   EL_CUSTOM_START + 65,
2058   EL_CUSTOM_START + 66,
2059   EL_CUSTOM_START + 67,
2060
2061   EL_CUSTOM_START + 68,
2062   EL_CUSTOM_START + 69,
2063   EL_CUSTOM_START + 70,
2064   EL_CUSTOM_START + 71,
2065
2066   EL_CUSTOM_START + 72,
2067   EL_CUSTOM_START + 73,
2068   EL_CUSTOM_START + 74,
2069   EL_CUSTOM_START + 75,
2070
2071   EL_CUSTOM_START + 76,
2072   EL_CUSTOM_START + 77,
2073   EL_CUSTOM_START + 78,
2074   EL_CUSTOM_START + 79,
2075
2076   EL_CUSTOM_START + 80,
2077   EL_CUSTOM_START + 81,
2078   EL_CUSTOM_START + 82,
2079   EL_CUSTOM_START + 83,
2080
2081   EL_CUSTOM_START + 84,
2082   EL_CUSTOM_START + 85,
2083   EL_CUSTOM_START + 86,
2084   EL_CUSTOM_START + 87,
2085
2086   EL_CUSTOM_START + 88,
2087   EL_CUSTOM_START + 89,
2088   EL_CUSTOM_START + 90,
2089   EL_CUSTOM_START + 91,
2090
2091   EL_CUSTOM_START + 92,
2092   EL_CUSTOM_START + 93,
2093   EL_CUSTOM_START + 94,
2094   EL_CUSTOM_START + 95,
2095
2096   EL_CUSTOM_START + 96,
2097   EL_CUSTOM_START + 97,
2098   EL_CUSTOM_START + 98,
2099   EL_CUSTOM_START + 99,
2100
2101   EL_CUSTOM_START + 100,
2102   EL_CUSTOM_START + 101,
2103   EL_CUSTOM_START + 102,
2104   EL_CUSTOM_START + 103,
2105
2106   EL_CUSTOM_START + 104,
2107   EL_CUSTOM_START + 105,
2108   EL_CUSTOM_START + 106,
2109   EL_CUSTOM_START + 107,
2110
2111   EL_CUSTOM_START + 108,
2112   EL_CUSTOM_START + 109,
2113   EL_CUSTOM_START + 110,
2114   EL_CUSTOM_START + 111,
2115
2116   EL_CUSTOM_START + 112,
2117   EL_CUSTOM_START + 113,
2118   EL_CUSTOM_START + 114,
2119   EL_CUSTOM_START + 115,
2120
2121   EL_CUSTOM_START + 116,
2122   EL_CUSTOM_START + 117,
2123   EL_CUSTOM_START + 118,
2124   EL_CUSTOM_START + 119,
2125
2126   EL_CUSTOM_START + 120,
2127   EL_CUSTOM_START + 121,
2128   EL_CUSTOM_START + 122,
2129   EL_CUSTOM_START + 123,
2130
2131   EL_CUSTOM_START + 124,
2132   EL_CUSTOM_START + 125,
2133   EL_CUSTOM_START + 126,
2134   EL_CUSTOM_START + 127
2135 };
2136 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
2137
2138 static int *editor_elements = NULL;     /* dynamically allocated */
2139 static int num_editor_elements = 0;     /* dynamically determined */
2140
2141 static struct
2142 {
2143   boolean *setup_value;
2144   int *element_list;
2145   int *element_list_size;
2146
2147   boolean last_setup_value;
2148 }
2149 editor_elements_info[] =
2150 {
2151   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
2152     &num_editor_el_boulderdash                                          },
2153   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
2154     &num_editor_el_emerald_mine                                         },
2155   { &setup.editor.el_more,              editor_el_more,
2156     &num_editor_el_more                                                 },
2157   { &setup.editor.el_sokoban,           editor_el_sokoban,
2158     &num_editor_el_sokoban                                              },
2159   { &setup.editor.el_supaplex,          editor_el_supaplex,
2160     &num_editor_el_supaplex                                             },
2161   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
2162     &num_editor_el_diamond_caves                                        },
2163   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
2164     &num_editor_el_dx_boulderdash                                       },
2165   { &setup.editor.el_chars,             editor_el_chars,
2166     &num_editor_el_chars                                                },
2167   { &setup.editor.el_custom,            editor_el_custom,
2168     &num_editor_el_custom                                               },
2169   { NULL,                               NULL,
2170     NULL                                                                }
2171 };
2172
2173
2174 /*
2175   -----------------------------------------------------------------------------
2176   functions
2177   -----------------------------------------------------------------------------
2178 */
2179
2180 static void ReinitializeElementList()
2181 {
2182   int pos = 0;
2183   int i, j;
2184
2185   if (editor_elements != NULL)
2186     free(editor_elements);
2187
2188   num_editor_elements = 0;
2189
2190   /* determine size of element list */
2191   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2192     if (*editor_elements_info[i].setup_value)
2193       num_editor_elements += *editor_elements_info[i].element_list_size;
2194
2195   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
2196   {
2197     /* workaround: offer at least as many elements as element buttons exist */
2198     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
2199
2200     *editor_elements_info[list_nr].setup_value = TRUE;
2201     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
2202   }
2203
2204   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
2205
2206   /* fill element list */
2207   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2208     if (*editor_elements_info[i].setup_value)
2209       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
2210         editor_elements[pos++] = editor_elements_info[i].element_list[j];
2211 }
2212
2213 static void ReinitializeElementListButtons()
2214 {
2215   static boolean initialization_needed = TRUE;
2216   int i;
2217
2218   if (!initialization_needed)   /* check if editor element setup has changed */
2219     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2220       if (editor_elements_info[i].last_setup_value !=
2221           *editor_elements_info[i].setup_value)
2222         initialization_needed = TRUE;
2223
2224   if (!initialization_needed)
2225     return;
2226
2227   FreeLevelEditorGadgets();
2228   CreateLevelEditorGadgets();
2229
2230   /* store current setup values for next invocation of this function */
2231   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2232     editor_elements_info[i].last_setup_value =
2233       *editor_elements_info[i].setup_value;
2234
2235   initialization_needed = FALSE;
2236 }
2237
2238 static int getCounterGadgetWidth()
2239 {
2240   return (DXSIZE + getFontWidth(FONT_INPUT_1) - 2 * ED_GADGET_DISTANCE);
2241 }
2242
2243 static int getMaxInfoTextLength()
2244 {
2245   return (SXSIZE / getFontWidth(FONT_TEXT_2));
2246 }
2247
2248 static char *getElementInfoText(int element)
2249 {
2250   char *info_text = NULL;
2251
2252   if (element < NUM_FILE_ELEMENTS)
2253   {
2254     if (element_info[element].custom_description != NULL)
2255       info_text = element_info[element].custom_description;
2256     else if (element_info[element].editor_description != NULL)
2257       info_text = element_info[element].editor_description;
2258   }
2259
2260   if (info_text == NULL)
2261   {
2262     info_text = "unknown";
2263
2264     Error(ERR_WARN, "no element description for element %d", element);
2265   }
2266
2267   return info_text;
2268 }
2269
2270 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
2271 {
2272   int x,y;
2273   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
2274   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
2275
2276   BlitBitmap(drawto, drawto,
2277              SX + (dx == -1 ? MINI_TILEX : 0),
2278              SY + (dy == -1 ? MINI_TILEY : 0),
2279              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
2280              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
2281              SX + (dx == +1 ? MINI_TILEX : 0),
2282              SY + (dy == +1 ? MINI_TILEY : 0));
2283   if (dx)
2284   {
2285     x = (dx == 1 ? 0 : ed_fieldx - 1);
2286     for(y=0; y<ed_fieldy; y++)
2287       DrawMiniElementOrWall(x, y, from_x, from_y);
2288   }
2289   else if (dy)
2290   {
2291     y = (dy == 1 ? 0 : ed_fieldy - 1);
2292     for(x=0; x<ed_fieldx; x++)
2293       DrawMiniElementOrWall(x, y, from_x, from_y);
2294   }
2295
2296   redraw_mask |= REDRAW_FIELD;
2297   BackToFront();
2298 }
2299
2300 static void CreateControlButtons()
2301 {
2302   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2303   struct GadgetInfo *gi;
2304   unsigned long event_mask;
2305   int i;
2306
2307   /* create toolbox buttons */
2308   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2309   {
2310     int id = i;
2311     int width, height;
2312     int gd_xoffset, gd_yoffset;
2313     int gd_x1, gd_x2, gd_y1, gd_y2;
2314     int button_type;
2315     int radio_button_nr;
2316     boolean checked;
2317
2318     if (id == GADGET_ID_SINGLE_ITEMS ||
2319         id == GADGET_ID_CONNECTED_ITEMS ||
2320         id == GADGET_ID_LINE ||
2321         id == GADGET_ID_ARC ||
2322         id == GADGET_ID_TEXT ||
2323         id == GADGET_ID_RECTANGLE ||
2324         id == GADGET_ID_FILLED_BOX ||
2325         id == GADGET_ID_FLOOD_FILL ||
2326         id == GADGET_ID_GRAB_BRUSH ||
2327         id == GADGET_ID_PICK_ELEMENT)
2328     {
2329       button_type = GD_TYPE_RADIO_BUTTON;
2330       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
2331       checked = (id == drawing_function ? TRUE : FALSE);
2332       event_mask = GD_EVENT_PRESSED;
2333     }
2334     else
2335     {
2336       button_type = GD_TYPE_NORMAL_BUTTON;
2337       radio_button_nr = RADIO_NR_NONE;
2338       checked = FALSE;
2339
2340       if (id == GADGET_ID_WRAP_LEFT ||
2341           id == GADGET_ID_WRAP_RIGHT ||
2342           id == GADGET_ID_WRAP_UP ||
2343           id == GADGET_ID_WRAP_DOWN)
2344         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2345       else
2346         event_mask = GD_EVENT_RELEASED;
2347     }
2348
2349     if (id < ED_NUM_CTRL1_BUTTONS)
2350     {
2351       int x = i % ED_CTRL1_BUTTONS_HORIZ;
2352       int y = i / ED_CTRL1_BUTTONS_HORIZ;
2353
2354       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
2355       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
2356       width = ED_CTRL1_BUTTON_XSIZE;
2357       height = ED_CTRL1_BUTTON_YSIZE;
2358     }
2359     else
2360     {
2361       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
2362       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
2363
2364       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
2365       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
2366       width = ED_CTRL2_BUTTON_XSIZE;
2367       height = ED_CTRL2_BUTTON_YSIZE;
2368     }
2369
2370     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
2371     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
2372     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
2373     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
2374
2375     gi = CreateGadget(GDI_CUSTOM_ID, id,
2376                       GDI_CUSTOM_TYPE_ID, i,
2377                       GDI_INFO_TEXT, control_info[i].text,
2378                       GDI_X, EX + gd_xoffset,
2379                       GDI_Y, EY + gd_yoffset,
2380                       GDI_WIDTH, width,
2381                       GDI_HEIGHT, height,
2382                       GDI_TYPE, button_type,
2383                       GDI_STATE, GD_BUTTON_UNPRESSED,
2384                       GDI_RADIO_NR, radio_button_nr,
2385                       GDI_CHECKED, checked,
2386                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2387                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2388                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2389                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2390                       GDI_EVENT_MASK, event_mask,
2391                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2392                       GDI_CALLBACK_ACTION, HandleControlButtons,
2393                       GDI_END);
2394
2395     if (gi == NULL)
2396       Error(ERR_EXIT, "cannot create gadget");
2397
2398     level_editor_gadget[id] = gi;
2399   }
2400
2401   /* create buttons for scrolling of drawing area and element list */
2402   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
2403   {
2404     int id = scrollbutton_info[i].gadget_id;
2405     int x, y, width, height;
2406     int gd_x1, gd_x2, gd_y1, gd_y2;
2407
2408     x = scrollbutton_info[i].x;
2409     y = scrollbutton_info[i].y;
2410
2411     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2412
2413     if (id == GADGET_ID_SCROLL_LIST_UP ||
2414         id == GADGET_ID_SCROLL_LIST_DOWN)
2415     {
2416       x += DX;
2417       y += DY;
2418       width = ED_SCROLLBUTTON2_XSIZE;
2419       height = ED_SCROLLBUTTON2_YSIZE;
2420       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2421       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2422       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
2423       gd_y2 = gd_y1;
2424     }
2425     else
2426     {
2427       x += SX;
2428       y += SY;
2429       width = ED_SCROLLBUTTON_XSIZE;
2430       height = ED_SCROLLBUTTON_YSIZE;
2431       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2432       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2433       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2434       gd_y2 = gd_y1;
2435     }
2436
2437     gi = CreateGadget(GDI_CUSTOM_ID, id,
2438                       GDI_CUSTOM_TYPE_ID, i,
2439                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2440                       GDI_X, x,
2441                       GDI_Y, y,
2442                       GDI_WIDTH, width,
2443                       GDI_HEIGHT, height,
2444                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2445                       GDI_STATE, GD_BUTTON_UNPRESSED,
2446                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2447                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2448                       GDI_EVENT_MASK, event_mask,
2449                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2450                       GDI_CALLBACK_ACTION, HandleControlButtons,
2451                       GDI_END);
2452
2453     if (gi == NULL)
2454       Error(ERR_EXIT, "cannot create gadget");
2455
2456     level_editor_gadget[id] = gi;
2457   }
2458
2459   /* create buttons for element list */
2460   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2461   {
2462     Bitmap *deco_bitmap;
2463     int deco_x, deco_y, deco_xpos, deco_ypos;
2464     int gd_xoffset, gd_yoffset;
2465     int gd_x1, gd_x2, gd_y;
2466     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
2467     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
2468     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
2469     int element = editor_elements[i];
2470
2471     event_mask = GD_EVENT_RELEASED;
2472
2473     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
2474     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
2475
2476     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
2477     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
2478     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
2479
2480     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
2481     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
2482     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
2483
2484     gi = CreateGadget(GDI_CUSTOM_ID, id,
2485                       GDI_CUSTOM_TYPE_ID, i,
2486                       GDI_INFO_TEXT, getElementInfoText(element),
2487                       GDI_X, DX + gd_xoffset,
2488                       GDI_Y, DY + gd_yoffset,
2489                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
2490                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
2491                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2492                       GDI_STATE, GD_BUTTON_UNPRESSED,
2493                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2494                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2495                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2496                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2497                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2498                       GDI_DECORATION_SHIFTING, 1, 1,
2499                       GDI_EVENT_MASK, event_mask,
2500                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2501                       GDI_CALLBACK_ACTION, HandleControlButtons,
2502                       GDI_END);
2503
2504     if (gi == NULL)
2505       Error(ERR_EXIT, "cannot create gadget");
2506
2507     level_editor_gadget[id] = gi;
2508   }
2509 }
2510
2511 static void CreateCounterButtons()
2512 {
2513   int max_infotext_len = getMaxInfoTextLength();
2514   int i;
2515
2516   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
2517   {
2518     int j;
2519     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
2520     int ypos = SY + counterbutton_info[i].y;
2521     int xoffset = 0;
2522
2523     /* determine horizontal offset for leading counter text */
2524     if (counterbutton_info[i].text_left != NULL)
2525       xoffset = (getFontWidth(FONT_TEXT_1) *
2526                  strlen(counterbutton_info[i].text_left) +
2527                  ED_GADGET_TEXT_DISTANCE);
2528
2529     for (j=0; j<2; j++)
2530     {
2531       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2532       struct GadgetInfo *gi;
2533       int id = (j == 0 ?
2534                 counterbutton_info[i].gadget_id_down :
2535                 counterbutton_info[i].gadget_id_up);
2536       int gd_xoffset;
2537       int gd_x, gd_x1, gd_x2, gd_y;
2538       int x_size, y_size;
2539       unsigned long event_mask;
2540       char infotext[max_infotext_len + 1];
2541
2542       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2543
2544       if (i == ED_COUNTER_ID_SELECT_LEVEL)
2545       {
2546         int sid = (j == 0 ?
2547                    ED_SCROLLBUTTON_ID_AREA_LEFT :
2548                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
2549
2550         event_mask |= GD_EVENT_RELEASED;
2551
2552         if (j == 1)
2553           xpos += 2 * ED_GADGET_DISTANCE;
2554         ypos += ED_GADGET_DISTANCE;
2555
2556         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
2557         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2558         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
2559         x_size = ED_SCROLLBUTTON_XSIZE;
2560         y_size = ED_SCROLLBUTTON_YSIZE;
2561       }
2562       else
2563       {
2564         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
2565         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2566         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2567         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
2568         x_size = ED_BUTTON_COUNT_XSIZE;
2569         y_size = ED_BUTTON_COUNT_YSIZE;
2570       }
2571
2572       sprintf(infotext, "%s counter value by 1, 5 or 10",
2573               (j == 0 ? "decrease" : "increase"));
2574
2575       gi = CreateGadget(GDI_CUSTOM_ID, id,
2576                         GDI_CUSTOM_TYPE_ID, i,
2577                         GDI_INFO_TEXT, infotext,
2578                         GDI_X, xpos + xoffset,
2579                         GDI_Y, ypos,
2580                         GDI_WIDTH, x_size,
2581                         GDI_HEIGHT, y_size,
2582                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2583                         GDI_STATE, GD_BUTTON_UNPRESSED,
2584                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2585                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2586                         GDI_EVENT_MASK, event_mask,
2587                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2588                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2589                         GDI_END);
2590
2591       if (gi == NULL)
2592         Error(ERR_EXIT, "cannot create gadget");
2593
2594       level_editor_gadget[id] = gi;
2595       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
2596
2597       if (j == 0)
2598       {
2599         int font_type = FONT_INPUT_1;
2600         int font_type_active = FONT_INPUT_1_ACTIVE;
2601         int gd_width = ED_WIN_COUNT_XSIZE;
2602
2603         id = counterbutton_info[i].gadget_id_text;
2604         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2605
2606         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2607         {
2608           font_type = FONT_LEVEL_NUMBER;
2609           font_type_active = FONT_LEVEL_NUMBER;
2610
2611           xpos += 2 * ED_GADGET_DISTANCE;
2612           ypos -= ED_GADGET_DISTANCE;
2613
2614           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2615           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2616           gd_width = ED_WIN_COUNT2_XSIZE;
2617         }
2618         else
2619         {
2620           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2621           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2622         }
2623
2624         gi = CreateGadget(GDI_CUSTOM_ID, id,
2625                           GDI_CUSTOM_TYPE_ID, i,
2626                           GDI_INFO_TEXT, "enter counter value",
2627                           GDI_X, xpos + xoffset,
2628                           GDI_Y, ypos,
2629                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2630                           GDI_NUMBER_VALUE, 0,
2631                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2632                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2633                           GDI_TEXT_SIZE, 3,
2634                           GDI_TEXT_FONT, font_type,
2635                           GDI_TEXT_FONT_ACTIVE, font_type_active,
2636                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2637                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2638                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2639                           GDI_DESIGN_WIDTH, gd_width,
2640                           GDI_EVENT_MASK, event_mask,
2641                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2642                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2643                           GDI_END);
2644
2645         if (gi == NULL)
2646           Error(ERR_EXIT, "cannot create gadget");
2647
2648         level_editor_gadget[id] = gi;
2649         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
2650       }
2651     }
2652   }
2653 }
2654
2655 static void CreateDrawingAreas()
2656 {
2657   struct GadgetInfo *gi;
2658   unsigned long event_mask;
2659   int id;
2660   int i;
2661
2662   event_mask =
2663     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
2664     GD_EVENT_OFF_BORDERS;
2665
2666   /* one for the level drawing area ... */
2667   id = GADGET_ID_DRAWING_LEVEL;
2668   gi = CreateGadget(GDI_CUSTOM_ID, id,
2669                     GDI_X, SX,
2670                     GDI_Y, SY,
2671                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2672                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2673                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2674                     GDI_EVENT_MASK, event_mask,
2675                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2676                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2677                     GDI_END);
2678
2679   if (gi == NULL)
2680     Error(ERR_EXIT, "cannot create gadget");
2681
2682   level_editor_gadget[id] = gi;
2683
2684   /* ... up to eight areas for element content ... */
2685   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2686   {
2687     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
2688     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
2689
2690     id = GADGET_ID_ELEMENT_CONTENT_0 + i;
2691     gi = CreateGadget(GDI_CUSTOM_ID, id,
2692                       GDI_CUSTOM_TYPE_ID, i,
2693                       GDI_X, gx,
2694                       GDI_Y, gy,
2695                       GDI_WIDTH, 3 * MINI_TILEX,
2696                       GDI_HEIGHT, 3 * MINI_TILEY,
2697                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2698                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2699                       GDI_EVENT_MASK, event_mask,
2700                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2701                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2702                       GDI_END);
2703
2704     if (gi == NULL)
2705       Error(ERR_EXIT, "cannot create gadget");
2706
2707     level_editor_gadget[id] = gi;
2708   }
2709
2710   /* ... one for the amoeba content ... */
2711   id = GADGET_ID_AMOEBA_CONTENT;
2712   gi = CreateGadget(GDI_CUSTOM_ID, id,
2713                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2714                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2715                     GDI_WIDTH, MINI_TILEX,
2716                     GDI_HEIGHT, MINI_TILEY,
2717                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2718                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2719                     GDI_EVENT_MASK, event_mask,
2720                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2721                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2722                     GDI_END);
2723
2724   if (gi == NULL)
2725     Error(ERR_EXIT, "cannot create gadget");
2726
2727   level_editor_gadget[id] = gi;
2728
2729   /* ... one for each custom element optional graphic element ... */
2730   id = GADGET_ID_CUSTOM_GRAPHIC;
2731   gi = CreateGadget(GDI_CUSTOM_ID, id,
2732                     GDI_X, SX + ED_AREA_ELEM_CONTENT3_XPOS,
2733                     GDI_Y, SY + ED_AREA_ELEM_CONTENT3_YPOS,
2734                     GDI_WIDTH, MINI_TILEX,
2735                     GDI_HEIGHT, MINI_TILEY,
2736                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2737                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2738                     GDI_EVENT_MASK, event_mask,
2739                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2740                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2741                     GDI_END);
2742
2743   if (gi == NULL)
2744     Error(ERR_EXIT, "cannot create gadget");
2745
2746   level_editor_gadget[id] = gi;
2747
2748   /* ... one areas for custom element explosion content ... */
2749   id = GADGET_ID_CUSTOM_CONTENT;
2750   gi = CreateGadget(GDI_CUSTOM_ID, id,
2751                     GDI_CUSTOM_TYPE_ID, i,
2752                     GDI_X, SX + ED_AREA_ELEM_CONTENT4_XPOS,
2753                     GDI_Y, SX + ED_AREA_ELEM_CONTENT4_YPOS,
2754                     GDI_WIDTH, 3 * MINI_TILEX,
2755                     GDI_HEIGHT, 3 * MINI_TILEY,
2756                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2757                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2758                     GDI_EVENT_MASK, event_mask,
2759                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2760                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2761                     GDI_END);
2762
2763   if (gi == NULL)
2764     Error(ERR_EXIT, "cannot create gadget");
2765
2766   level_editor_gadget[id] = gi;
2767
2768   /* ... one for each custom element change target element ... */
2769   id = GADGET_ID_CUSTOM_CHANGE_TARGET;
2770   gi = CreateGadget(GDI_CUSTOM_ID, id,
2771                     GDI_X, SX + ED_AREA_ELEM_CONTENT2_XPOS,
2772                     GDI_Y, SY + ED_AREA_ELEM_CONTENT2_YPOS,
2773                     GDI_WIDTH, MINI_TILEX,
2774                     GDI_HEIGHT, MINI_TILEY,
2775                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2776                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2777                     GDI_EVENT_MASK, event_mask,
2778                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2779                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2780                     GDI_END);
2781
2782   if (gi == NULL)
2783     Error(ERR_EXIT, "cannot create gadget");
2784
2785   level_editor_gadget[id] = gi;
2786
2787   /* ... one for each custom element change trigger element ... */
2788   id = GADGET_ID_CUSTOM_CHANGE_TRIGGER;
2789   gi = CreateGadget(GDI_CUSTOM_ID, id,
2790                     GDI_X, SX + ED_AREA_ELEM_CONTENT5_XPOS,
2791                     GDI_Y, SY + ED_AREA_ELEM_CONTENT5_YPOS,
2792                     GDI_WIDTH, MINI_TILEX,
2793                     GDI_HEIGHT, MINI_TILEY,
2794                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2795                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2796                     GDI_EVENT_MASK, event_mask,
2797                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2798                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2799                     GDI_END);
2800
2801   if (gi == NULL)
2802     Error(ERR_EXIT, "cannot create gadget");
2803
2804   level_editor_gadget[id] = gi;
2805
2806   /* ... and one for random placement background restrictions */
2807   id = GADGET_ID_RANDOM_BACKGROUND;
2808   gi = CreateGadget(GDI_CUSTOM_ID, id,
2809                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2810                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2811                     GDI_WIDTH, MINI_TILEX,
2812                     GDI_HEIGHT, MINI_TILEY,
2813                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2814                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2815                     GDI_EVENT_MASK, event_mask,
2816                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2817                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2818                     GDI_END);
2819
2820   if (gi == NULL)
2821     Error(ERR_EXIT, "cannot create gadget");
2822
2823   level_editor_gadget[id] = gi;
2824 }
2825
2826 static void CreateTextInputGadgets()
2827 {
2828   int max_infotext_len = getMaxInfoTextLength();
2829   int i;
2830
2831   for (i=0; i<ED_NUM_TEXTINPUT; i++)
2832   {
2833     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2834     int gd_x, gd_y;
2835     struct GadgetInfo *gi;
2836     unsigned long event_mask;
2837     char infotext[MAX_OUTPUT_LINESIZE + 1];
2838     int id = textinput_info[i].gadget_id;
2839
2840     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2841
2842     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2843     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2844
2845     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
2846     infotext[max_infotext_len] = '\0';
2847
2848     gi = CreateGadget(GDI_CUSTOM_ID, id,
2849                       GDI_CUSTOM_TYPE_ID, i,
2850                       GDI_INFO_TEXT, infotext,
2851                       GDI_X, SX + textinput_info[i].x,
2852                       GDI_Y, SY + textinput_info[i].y,
2853                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
2854                       GDI_TEXT_VALUE, textinput_info[i].value,
2855                       GDI_TEXT_SIZE, textinput_info[i].size,
2856                       GDI_TEXT_FONT, FONT_INPUT_1,
2857                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2858                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2859                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2860                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2861                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2862                       GDI_EVENT_MASK, event_mask,
2863                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2864                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
2865                       GDI_END);
2866
2867     if (gi == NULL)
2868       Error(ERR_EXIT, "cannot create gadget");
2869
2870     level_editor_gadget[id] = gi;
2871   }
2872 }
2873
2874 static void CreateSelectboxGadgets()
2875 {
2876   int max_infotext_len = getMaxInfoTextLength();
2877   int i, j;
2878
2879   for (i=0; i<ED_NUM_SELECTBOX; i++)
2880   {
2881     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2882     int gd_x, gd_y;
2883     int xoffset = 0;
2884     struct GadgetInfo *gi;
2885     unsigned long event_mask;
2886     char infotext[MAX_OUTPUT_LINESIZE + 1];
2887     int id = selectbox_info[i].gadget_id;
2888
2889     if (selectbox_info[i].size == -1)   /* dynamically determine size */
2890     {
2891       /* (we cannot use -1 for uninitialized values if we directly compare
2892          with results from strlen(), because the '<' and '>' operation will
2893          implicitely cast -1 to an unsigned integer value!) */
2894       selectbox_info[i].size = 0;
2895
2896       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
2897         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
2898           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
2899
2900       selectbox_info[i].size++;         /* add one character empty space */
2901     }
2902
2903     event_mask = GD_EVENT_RELEASED |
2904       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2905
2906     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
2907     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
2908
2909     /* determine horizontal offset for leading selectbox text */
2910     if (selectbox_info[i].text_left != NULL)
2911       xoffset = (getFontWidth(FONT_TEXT_1) *
2912                  strlen(selectbox_info[i].text_left) +
2913                  ED_GADGET_TEXT_DISTANCE);
2914
2915     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
2916     infotext[max_infotext_len] = '\0';
2917
2918     gi = CreateGadget(GDI_CUSTOM_ID, id,
2919                       GDI_CUSTOM_TYPE_ID, i,
2920                       GDI_INFO_TEXT, infotext,
2921                       GDI_X, SX + selectbox_info[i].x + xoffset,
2922                       GDI_Y, SY + selectbox_info[i].y,
2923                       GDI_TYPE, GD_TYPE_SELECTBOX,
2924                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
2925                       GDI_TEXT_SIZE, selectbox_info[i].size,
2926                       GDI_TEXT_FONT, FONT_INPUT_1,
2927                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2928                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2929                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2930                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2931                       GDI_BORDER_SIZE_SELECTBUTTON, getFontWidth(FONT_INPUT_1),
2932                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2933                       GDI_EVENT_MASK, event_mask,
2934                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2935                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
2936                       GDI_END);
2937
2938     if (gi == NULL)
2939       Error(ERR_EXIT, "cannot create gadget");
2940
2941     level_editor_gadget[id] = gi;
2942   }
2943 }
2944
2945 static void CreateTextbuttonGadgets()
2946 {
2947   int max_infotext_len = getMaxInfoTextLength();
2948   int i;
2949
2950   for (i=0; i<ED_NUM_TEXTBUTTON; i++)
2951   {
2952     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2953     int gd_x1, gd_x2, gd_y1, gd_y2;
2954     struct GadgetInfo *gi;
2955     unsigned long event_mask;
2956     char infotext[MAX_OUTPUT_LINESIZE + 1];
2957     int id = textbutton_info[i].gadget_id;
2958
2959     if (textbutton_info[i].size == -1)  /* dynamically determine size */
2960       textbutton_info[i].size = strlen(textbutton_info[i].text);
2961
2962     event_mask = GD_EVENT_RELEASED;
2963
2964     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
2965     {
2966       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
2967       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
2968       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
2969       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
2970     }
2971     else
2972     {
2973       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
2974       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
2975       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
2976       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
2977     }
2978
2979     sprintf(infotext, "%s", textbutton_info[i].infotext);
2980     infotext[max_infotext_len] = '\0';
2981
2982     gi = CreateGadget(GDI_CUSTOM_ID, id,
2983                       GDI_CUSTOM_TYPE_ID, i,
2984                       GDI_INFO_TEXT, infotext,
2985                       GDI_X, SX + textbutton_info[i].x,
2986                       GDI_Y, SY + textbutton_info[i].y,
2987                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
2988                       GDI_TEXT_VALUE, textbutton_info[i].text,
2989                       GDI_TEXT_SIZE, textbutton_info[i].size,
2990                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
2991                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
2992                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2993                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2994                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2995                       GDI_BORDER_SIZE, ED_BORDER2_SIZE, ED_BORDER_SIZE,
2996                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2997                       GDI_DECORATION_SHIFTING, 1, 1,
2998                       GDI_EVENT_MASK, event_mask,
2999                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3000                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
3001                       GDI_END);
3002
3003     if (gi == NULL)
3004       Error(ERR_EXIT, "cannot create gadget");
3005
3006     level_editor_gadget[id] = gi;
3007   }
3008 }
3009
3010 static void CreateScrollbarGadgets()
3011 {
3012   int i;
3013
3014   for (i=0; i<ED_NUM_SCROLLBARS; i++)
3015   {
3016     int id = scrollbar_info[i].gadget_id;
3017     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3018     int gd_x1, gd_x2, gd_y1, gd_y2;
3019     struct GadgetInfo *gi;
3020     int items_max, items_visible, item_position;
3021     unsigned long event_mask;
3022
3023     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
3024     {
3025       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
3026       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
3027       item_position = 0;
3028     }
3029     else        /* drawing area scrollbars */
3030     {
3031       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
3032       {
3033         items_max = MAX(lev_fieldx + 2, ed_fieldx);
3034         items_visible = ed_fieldx;
3035         item_position = 0;
3036       }
3037       else
3038       {
3039         items_max = MAX(lev_fieldy + 2, ed_fieldy);
3040         items_visible = ed_fieldy;
3041         item_position = 0;
3042       }
3043     }
3044
3045     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
3046
3047     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
3048     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
3049                       scrollbar_info[i].height : scrollbar_info[i].width));
3050     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3051     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3052
3053     gi = CreateGadget(GDI_CUSTOM_ID, id,
3054                       GDI_CUSTOM_TYPE_ID, i,
3055                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
3056                       GDI_X, scrollbar_info[i].x,
3057                       GDI_Y, scrollbar_info[i].y,
3058                       GDI_WIDTH, scrollbar_info[i].width,
3059                       GDI_HEIGHT, scrollbar_info[i].height,
3060                       GDI_TYPE, scrollbar_info[i].type,
3061                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
3062                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3063                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
3064                       GDI_STATE, GD_BUTTON_UNPRESSED,
3065                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3066                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3067                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3068                       GDI_EVENT_MASK, event_mask,
3069                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3070                       GDI_CALLBACK_ACTION, HandleControlButtons,
3071                       GDI_END);
3072
3073     if (gi == NULL)
3074       Error(ERR_EXIT, "cannot create gadget");
3075
3076     level_editor_gadget[id] = gi;
3077   }
3078 }
3079
3080 static void CreateCheckbuttonGadgets()
3081 {
3082   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3083   struct GadgetInfo *gi;
3084   unsigned long event_mask;
3085   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3086   boolean checked;
3087   int i;
3088
3089   event_mask = GD_EVENT_PRESSED;
3090
3091   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3092   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3093   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3094   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3095   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3096
3097   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
3098   {
3099     int id = radiobutton_info[i].gadget_id;
3100
3101     checked =
3102       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3103
3104     gi = CreateGadget(GDI_CUSTOM_ID, id,
3105                       GDI_CUSTOM_TYPE_ID, i,
3106                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
3107                       GDI_X, SX + radiobutton_info[i].x,
3108                       GDI_Y, SY + radiobutton_info[i].y,
3109                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3110                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3111                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
3112                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
3113                       GDI_CHECKED, checked,
3114                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3115                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3116                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3117                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3118                       GDI_EVENT_MASK, event_mask,
3119                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3120                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
3121                       GDI_END);
3122
3123     if (gi == NULL)
3124       Error(ERR_EXIT, "cannot create gadget");
3125
3126     level_editor_gadget[id] = gi;
3127   }
3128
3129   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
3130   {
3131     int id = checkbutton_info[i].gadget_id;
3132
3133     if (id == GADGET_ID_STICK_ELEMENT)
3134       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
3135     else
3136       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
3137
3138     gi = CreateGadget(GDI_CUSTOM_ID, id,
3139                       GDI_CUSTOM_TYPE_ID, i,
3140                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
3141                       GDI_X, SX + checkbutton_info[i].x,
3142                       GDI_Y, SY + checkbutton_info[i].y,
3143                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3144                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3145                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
3146                       GDI_CHECKED, *checkbutton_info[i].value,
3147                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3148                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3149                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3150                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3151                       GDI_EVENT_MASK, event_mask,
3152                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3153                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
3154                       GDI_END);
3155
3156     if (gi == NULL)
3157       Error(ERR_EXIT, "cannot create gadget");
3158
3159     level_editor_gadget[id] = gi;
3160   }
3161 }
3162
3163 void CreateLevelEditorGadgets()
3164 {
3165   int old_game_status = game_status;
3166
3167   /* setting 'game_status' is needed to get the right fonts for the editor */
3168   game_status = GAME_MODE_EDITOR;
3169
3170   ReinitializeElementList();
3171
3172   CreateControlButtons();
3173   CreateCounterButtons();
3174   CreateDrawingAreas();
3175   CreateTextInputGadgets();
3176   CreateSelectboxGadgets();
3177   CreateTextbuttonGadgets();
3178   CreateScrollbarGadgets();
3179   CreateCheckbuttonGadgets();
3180
3181   game_status = old_game_status;
3182 }
3183
3184 void FreeLevelEditorGadgets()
3185 {
3186   int i;
3187
3188   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3189     FreeGadget(level_editor_gadget[i]);
3190 }
3191
3192 static void MapCounterButtons(int id)
3193 {
3194   char infotext[MAX_OUTPUT_LINESIZE + 1];
3195   int max_infotext_len = getMaxInfoTextLength();
3196   int xoffset_above = 0;
3197   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3198   int xoffset_left = 0;
3199   int yoffset_left = ED_BORDER_SIZE;
3200   int xoffset_right = getCounterGadgetWidth();
3201   int yoffset_right = ED_BORDER_SIZE;
3202   int x, y;
3203
3204   if (counterbutton_info[id].text_above)
3205   {
3206     x = SX + counterbutton_info[id].x + xoffset_above;
3207     y = SY + counterbutton_info[id].y + yoffset_above;
3208
3209     sprintf(infotext, "%s:", counterbutton_info[id].text_above);
3210     infotext[max_infotext_len] = '\0';
3211     DrawText(x, y, infotext, FONT_TEXT_1);
3212   }
3213
3214   if (counterbutton_info[id].text_left)
3215   {
3216     x = SX + counterbutton_info[id].x + xoffset_left;
3217     y = SY + counterbutton_info[id].y + yoffset_left;
3218
3219     sprintf(infotext, "%s", counterbutton_info[id].text_left);
3220     infotext[max_infotext_len] = '\0';
3221     DrawText(x, y, infotext, FONT_TEXT_1);
3222   }
3223
3224   if (counterbutton_info[id].text_right)
3225   {
3226     int gadget_id = counterbutton_info[id].gadget_id_down;
3227
3228     x = level_editor_gadget[gadget_id]->x + xoffset_right;
3229     y = SY + counterbutton_info[id].y + yoffset_right;
3230
3231     sprintf(infotext, "%s", counterbutton_info[id].text_right);
3232     infotext[max_infotext_len] = '\0';
3233     DrawText(x, y, infotext, FONT_TEXT_1);
3234   }
3235
3236   ModifyEditorCounter(id, *counterbutton_info[id].value);
3237
3238   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
3239   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
3240   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
3241 }
3242
3243 static void MapControlButtons()
3244 {
3245   int counter_id;
3246   int i;
3247
3248   /* map toolbox buttons */
3249   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
3250     MapGadget(level_editor_gadget[i]);
3251
3252   /* map buttons to select elements */
3253   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3254     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
3255   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
3256   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
3257   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
3258
3259   /* map buttons to select level */
3260   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
3261   ModifyEditorCounterLimits(counter_id,
3262                             leveldir_current->first_level,
3263                             leveldir_current->last_level);
3264   MapCounterButtons(counter_id);
3265 }
3266
3267 static void MapDrawingArea(int id)
3268 {
3269   MapGadget(level_editor_gadget[id]);
3270 }
3271
3272 static void MapTextInputGadget(int id)
3273 {
3274   char infotext[MAX_OUTPUT_LINESIZE + 1];
3275   int max_infotext_len = getMaxInfoTextLength();
3276   int xoffset_above = 0;
3277   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3278   int x = textinput_info[id].x + xoffset_above;
3279   int y = textinput_info[id].y + yoffset_above;
3280
3281   sprintf(infotext, "%s:", textinput_info[id].infotext);
3282   infotext[max_infotext_len] = '\0';
3283   DrawTextF(x, y, FONT_TEXT_1, infotext);
3284
3285   ModifyGadget(level_editor_gadget[textinput_info[id].gadget_id],
3286                GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
3287
3288   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
3289 }
3290
3291 static void MapSelectboxGadget(int id)
3292 {
3293   int xoffset_left = 0;
3294   int yoffset_left = ED_BORDER_SIZE;
3295   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
3296   int yoffset_right = ED_BORDER_SIZE;
3297   int x = selectbox_info[id].x + xoffset_left;
3298   int y = selectbox_info[id].y + yoffset_left;
3299
3300   DrawTextF(x, y, FONT_TEXT_1, selectbox_info[id].text_left);
3301
3302   if (selectbox_info[id].text_right)
3303   {
3304     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
3305
3306     x = gi->x + gi->width + xoffset_right;
3307     y = SY + selectbox_info[id].y + yoffset_right;
3308
3309     DrawText(x, y, selectbox_info[id].text_right, FONT_TEXT_1);
3310   }
3311
3312   ModifyEditorSelectbox(id, *selectbox_info[id].value);
3313
3314   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
3315 }
3316
3317 static void MapTextbuttonGadget(int id)
3318 {
3319   MapGadget(level_editor_gadget[textbutton_info[id].gadget_id]);
3320 }
3321
3322 static void MapRadiobuttonGadget(int id)
3323 {
3324   int xoffset_right = ED_XOFFSET_CHECKBOX;
3325   int yoffset_right = ED_BORDER_SIZE;
3326   int x = radiobutton_info[id].x + xoffset_right;
3327   int y = radiobutton_info[id].y + yoffset_right;
3328   boolean checked =
3329     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
3330
3331   DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[id].text_right);
3332   ModifyGadget(level_editor_gadget[radiobutton_info[id].gadget_id],
3333                GDI_CHECKED, checked, GDI_END);
3334
3335   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
3336 }
3337
3338 static void MapCheckbuttonGadget(int id)
3339 {
3340   int xoffset_right = ED_XOFFSET_CHECKBOX;
3341   int yoffset_right = ED_BORDER_SIZE;
3342   int x = checkbutton_info[id].x + xoffset_right;
3343   int y = checkbutton_info[id].y + yoffset_right;
3344
3345   DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[id].text_right);
3346   ModifyGadget(level_editor_gadget[checkbutton_info[id].gadget_id],
3347                GDI_CHECKED, *checkbutton_info[id].value,
3348                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
3349
3350   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
3351 }
3352
3353 static void MapMainDrawingArea()
3354 {
3355   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
3356   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
3357   int i;
3358
3359   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
3360   {
3361     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
3362           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
3363          no_horizontal_scrollbar) ||
3364         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
3365           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
3366          no_vertical_scrollbar))
3367       continue;
3368
3369     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
3370   }
3371
3372   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
3373   {
3374     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
3375         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
3376       continue;
3377
3378     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
3379   }
3380
3381   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
3382 }
3383
3384 static void UnmapDrawingArea(int id)
3385 {
3386   UnmapGadget(level_editor_gadget[id]);
3387 }
3388
3389 void UnmapLevelEditorWindowGadgets()
3390 {
3391   int i;
3392
3393   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3394     if (level_editor_gadget[i]->x < SX + SXSIZE)
3395       UnmapGadget(level_editor_gadget[i]);
3396 }
3397
3398 void UnmapLevelEditorGadgets()
3399 {
3400   int i;
3401
3402   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3403     UnmapGadget(level_editor_gadget[i]);
3404 }
3405
3406 static void ResetUndoBuffer()
3407 {
3408   undo_buffer_position = -1;
3409   undo_buffer_steps = -1;
3410   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3411 }
3412
3413 static void DrawEditModeWindow()
3414 {
3415   if (edit_mode == ED_MODE_INFO)
3416     DrawLevelInfoWindow();
3417   else if (edit_mode == ED_MODE_PROPERTIES)
3418     DrawPropertiesWindow();
3419   else  /* edit_mode == ED_MODE_DRAWING */
3420     DrawDrawingWindow();
3421 }
3422
3423 static boolean LevelChanged()
3424 {
3425   boolean level_changed = FALSE;
3426   int x, y;
3427
3428   for(y=0; y<lev_fieldy; y++)
3429     for(x=0; x<lev_fieldx; x++)
3430       if (Feld[x][y] != Ur[x][y])
3431         level_changed = TRUE;
3432
3433   return level_changed;
3434 }
3435
3436 static boolean LevelContainsPlayer()
3437 {
3438   boolean player_found = FALSE;
3439   int x, y;
3440
3441   for(y=0; y<lev_fieldy; y++)
3442     for(x=0; x<lev_fieldx; x++)
3443       if (Feld[x][y] == EL_PLAYER_1 ||
3444           Feld[x][y] == EL_SP_MURPHY)
3445         player_found = TRUE;
3446
3447   return player_found;
3448 }
3449
3450 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
3451                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
3452 {
3453   int x, y;
3454
3455   for(x=0; x<lev_fieldx; x++)
3456     for(y=0; y<lev_fieldy; y++)
3457       dst[x][y] = src[x][y];
3458 }
3459
3460 static void CopyCustomElementPropertiesToEditor(int element)
3461 {
3462   int i;
3463
3464   custom_element = element_info[properties_element];
3465
3466   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3467     custom_element_properties[i] = HAS_PROPERTY(element, i);
3468
3469   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3470     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
3471
3472   /* set walk-to-object action selectbox help value */
3473   value_walk_to_action =
3474     (IS_DIGGABLE(element) ? EP_DIGGABLE :
3475      IS_COLLECTIBLE(element) ? EP_COLLECTIBLE :
3476      IS_PUSHABLE(element) ? EP_PUSHABLE :
3477      EP_DIGGABLE);
3478   custom_element_properties[EP_WALK_TO_OBJECT] =
3479     (IS_DIGGABLE(element) ||
3480      IS_COLLECTIBLE(element) ||
3481      IS_PUSHABLE(element));
3482
3483   /* set consistency selectbox help value */
3484   value_consistency =
3485     (CAN_EXPLODE(element) ? EP_CAN_EXPLODE :
3486      IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
3487      EP_CAN_EXPLODE);
3488   custom_element_properties[EP_EXPLODE_RESULT] =
3489     (CAN_EXPLODE(element) ||
3490      IS_INDESTRUCTIBLE(element));
3491
3492   /* set deadliness selectbox help value */
3493   value_deadliness =
3494     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
3495      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
3496      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
3497      EP_DONT_RUN_INTO);
3498   custom_element_properties[EP_DEADLY] =
3499     (DONT_TOUCH(element) ||
3500      DONT_COLLIDE_WITH(element) ||
3501      DONT_RUN_INTO(element));
3502
3503   /* set smash targets selectbox help value */
3504   value_smash_targets =
3505     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
3506      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
3507      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
3508      EP_CAN_SMASH_PLAYER);
3509   custom_element_properties[EP_CAN_SMASH] =
3510     (CAN_SMASH_EVERYTHING(element) ||
3511      CAN_SMASH_ENEMIES(element) ||
3512      CAN_SMASH_PLAYER(element));
3513
3514   /* set walkable layer selectbox help value */
3515   value_walkable_layer =
3516     (IS_WALKABLE_OVER(element) ? EP_WALKABLE_OVER :
3517      IS_WALKABLE_INSIDE(element) ? EP_WALKABLE_INSIDE :
3518      IS_WALKABLE_UNDER(element) ? EP_WALKABLE_UNDER :
3519      EP_WALKABLE_OVER);
3520   custom_element_properties[EP_WALKABLE] =
3521     (IS_WALKABLE_OVER(element) ||
3522      IS_WALKABLE_INSIDE(element) ||
3523      IS_WALKABLE_UNDER(element));
3524
3525   /* set change by player selectbox help value */
3526   value_change_player_action =
3527     (HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
3528      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
3529      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
3530      CE_PRESSED_BY_PLAYER);
3531
3532   /* set change by impact/smash selectbox help value */
3533   value_change_impact_action =
3534     (HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
3535      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
3536      CE_IMPACT);
3537
3538   /* set change by other element action selectbox help value */
3539   value_change_other_action =
3540     (HAS_CHANGE_EVENT(element, CE_OTHER_EXPLODING) ? CE_OTHER_EXPLODING :
3541      HAS_CHANGE_EVENT(element, CE_OTHER_CHANGING) ? CE_OTHER_CHANGING :
3542      HAS_CHANGE_EVENT(element, CE_OTHER_PUSHING) ? CE_OTHER_PUSHING :
3543      HAS_CHANGE_EVENT(element, CE_OTHER_COLLECTING) ? CE_OTHER_COLLECTING :
3544      CE_OTHER_COLLECTING);
3545 }
3546
3547 static void CopyCustomElementPropertiesToGame(int element)
3548 {
3549   int i;
3550
3551   element_info[properties_element] = custom_element;
3552
3553   /* set walk-to-object property from checkbox and selectbox */
3554   custom_element_properties[EP_DIGGABLE] = FALSE;
3555   custom_element_properties[EP_COLLECTIBLE] = FALSE;
3556   custom_element_properties[EP_PUSHABLE] = FALSE;
3557   custom_element_properties[value_walk_to_action] =
3558     custom_element_properties[EP_WALK_TO_OBJECT];
3559
3560   /* set consistency property from checkbox and selectbox */
3561   custom_element_properties[EP_CAN_EXPLODE] = FALSE;
3562   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
3563   custom_element_properties[value_consistency] =
3564     custom_element_properties[EP_EXPLODE_RESULT];
3565
3566   /* set deadliness property from checkbox and selectbox */
3567   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
3568   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
3569   custom_element_properties[EP_DONT_TOUCH] = FALSE;
3570   custom_element_properties[value_deadliness] =
3571     custom_element_properties[EP_DEADLY];
3572
3573   /* set smash property from checkbox and selectbox */
3574   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
3575   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
3576   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
3577   custom_element_properties[value_smash_targets] =
3578     custom_element_properties[EP_CAN_SMASH];
3579
3580   /* set walkable property from checkbox and selectbox */
3581   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
3582   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
3583   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
3584   custom_element_properties[value_walkable_layer] =
3585     custom_element_properties[EP_WALKABLE];
3586
3587   /* set player change event from checkbox and selectbox */
3588   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
3589   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
3590   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
3591   custom_element_change_events[value_change_player_action] =
3592     custom_element_change_events[CE_BY_PLAYER];
3593
3594   /* set player change event from checkbox and selectbox */
3595   custom_element_change_events[CE_IMPACT] = FALSE;
3596   custom_element_change_events[CE_SMASHED] = FALSE;
3597   custom_element_change_events[value_change_impact_action] =
3598     custom_element_change_events[CE_IMPACT_SMASHED];
3599
3600   /* set other element action change event from checkbox and selectbox */
3601   custom_element_change_events[CE_OTHER_COLLECTING] = FALSE;
3602   custom_element_change_events[CE_OTHER_PUSHING] = FALSE;
3603   custom_element_change_events[CE_OTHER_CHANGING] = FALSE;
3604   custom_element_change_events[CE_OTHER_EXPLODING] = FALSE;
3605   custom_element_change_events[value_change_other_action] =
3606     custom_element_change_events[CE_BY_OTHER];
3607
3608   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3609     SET_PROPERTY(element, i, custom_element_properties[i]);
3610
3611   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3612     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
3613
3614   /* copy change events also to special level editor variable */
3615   custom_element = element_info[properties_element];
3616 }
3617
3618 void DrawLevelEd()
3619 {
3620   CloseDoor(DOOR_CLOSE_ALL);
3621   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
3622
3623   if (level_editor_test_game)
3624   {
3625     CopyPlayfield(Ur, Feld);
3626     CopyPlayfield(FieldBackup, Ur);
3627
3628     level_editor_test_game = FALSE;
3629   }
3630   else
3631   {
3632     edit_mode = ED_MODE_DRAWING;
3633     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
3634
3635     ResetUndoBuffer();
3636
3637     level_xpos = -1;
3638     level_ypos = -1;
3639   }
3640
3641   /* copy default editor door content to main double buffer */
3642   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3643              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
3644
3645   /* draw mouse button brush elements */
3646   DrawMiniGraphicExt(drawto,
3647                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3648                      el2edimg(new_element1));
3649   DrawMiniGraphicExt(drawto,
3650                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3651                      el2edimg(new_element2));
3652   DrawMiniGraphicExt(drawto,
3653                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3654                      el2edimg(new_element3));
3655
3656   /* draw bigger door */
3657   DrawSpecialEditorDoor();
3658
3659   /* draw new control window */
3660   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3661              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
3662
3663   redraw_mask |= REDRAW_ALL;
3664
3665   ReinitializeElementListButtons();     /* only needed after setup changes */
3666
3667   UnmapTapeButtons();
3668   MapControlButtons();
3669
3670   /* copy actual editor door content to door double buffer for OpenDoor() */
3671   BlitBitmap(drawto, bitmap_db_door,
3672              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
3673
3674   DrawEditModeWindow();
3675
3676   OpenDoor(DOOR_OPEN_1);
3677 }
3678
3679 static void AdjustDrawingAreaGadgets()
3680 {
3681   int ed_xsize = lev_fieldx + 2;
3682   int ed_ysize = lev_fieldy + 2;
3683   int max_ed_fieldx = MAX_ED_FIELDX;
3684   int max_ed_fieldy = MAX_ED_FIELDY;
3685   boolean horizontal_scrollbar_needed;
3686   boolean vertical_scrollbar_needed;
3687   int x, y, width, height;
3688   int xoffset, yoffset;
3689
3690   /* check if we need any scrollbars */
3691   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3692   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3693
3694   /* check if we have a smaller editor field because of scrollbars */
3695   if (horizontal_scrollbar_needed)
3696     max_ed_fieldy = MAX_ED_FIELDY - 1;
3697   if (vertical_scrollbar_needed)
3698     max_ed_fieldx = MAX_ED_FIELDX - 1;
3699
3700   /* check again if we now need more scrollbars because of less space */
3701   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3702   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3703
3704   /* check if editor field gets even smaller after adding new scrollbars */
3705   if (horizontal_scrollbar_needed)
3706     max_ed_fieldy = MAX_ED_FIELDY - 1;
3707   if (vertical_scrollbar_needed)
3708     max_ed_fieldx = MAX_ED_FIELDX - 1;
3709
3710   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
3711   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
3712
3713   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
3714                GDI_WIDTH, ed_fieldx * MINI_TILEX,
3715                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
3716                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
3717                GDI_END);
3718
3719   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
3720   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
3721
3722   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
3723   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
3724
3725   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
3726   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
3727
3728   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
3729   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
3730
3731   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3732                GDI_WIDTH, width,
3733                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
3734                GDI_END);
3735   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
3736                GDI_HEIGHT, height,
3737                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
3738                GDI_END);
3739 }
3740
3741 static void AdjustLevelScrollPosition()
3742 {
3743   if (level_xpos < -1)
3744     level_xpos = -1;
3745   if (level_xpos > lev_fieldx - ed_fieldx + 1)
3746     level_xpos = lev_fieldx - ed_fieldx + 1;
3747   if (lev_fieldx < ed_fieldx - 2)
3748     level_xpos = -1;
3749
3750   if (level_ypos < -1)
3751     level_ypos = -1;
3752   if (level_ypos > lev_fieldy - ed_fieldy + 1)
3753     level_ypos = lev_fieldy - ed_fieldy + 1;
3754   if (lev_fieldy < ed_fieldy - 2)
3755     level_ypos = -1;
3756 }
3757
3758 static void AdjustEditorScrollbar(int id)
3759 {
3760   struct GadgetInfo *gi = level_editor_gadget[id];
3761   int items_max, items_visible, item_position;
3762
3763   if (id == GADGET_ID_SCROLL_HORIZONTAL)
3764   {
3765     items_max = MAX(lev_fieldx + 2, ed_fieldx);
3766     items_visible = ed_fieldx;
3767     item_position = level_xpos + 1;
3768   }
3769   else
3770   {
3771     items_max = MAX(lev_fieldy + 2, ed_fieldy);
3772     items_visible = ed_fieldy;
3773     item_position = level_ypos + 1;
3774   }
3775
3776   if (item_position > items_max - items_visible)
3777     item_position = items_max - items_visible;
3778
3779   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
3780                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
3781 }
3782
3783 static void ModifyEditorCounter(int counter_id, int new_value)
3784 {
3785   int *counter_value = counterbutton_info[counter_id].value;
3786   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3787   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3788
3789   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
3790
3791   if (counter_value != NULL)
3792     *counter_value = gi->text.number_value;
3793 }
3794
3795 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
3796 {
3797   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3798   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3799
3800   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
3801 }
3802
3803 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
3804 {
3805   int gadget_id = selectbox_info[selectbox_id].gadget_id;
3806   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3807   int new_index_value = 0;
3808   int i;
3809
3810   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
3811     if (selectbox_info[selectbox_id].options[i].value == new_value)
3812       new_index_value = i;
3813
3814   *selectbox_info[selectbox_id].value =
3815     selectbox_info[selectbox_id].options[new_index_value].value;
3816
3817   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
3818 }
3819
3820 static void ModifyEditorElementList()
3821 {
3822   int i;
3823
3824   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3825   {
3826     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
3827     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3828     struct GadgetDesign *gd = &gi->deco.design;
3829     int element = editor_elements[element_shift + i];
3830
3831     UnmapGadget(gi);
3832     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
3833     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
3834     MapGadget(gi);
3835   }
3836 }
3837
3838 static void PickDrawingElement(int button, int element)
3839 {
3840   if (button < 1 || button > 3)
3841     return;
3842
3843   if (button == 1)
3844   {
3845     new_element1 = element;
3846     DrawMiniGraphicExt(drawto,
3847                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3848                        el2edimg(new_element1));
3849   }
3850   else if (button == 2)
3851   {
3852     new_element2 = element;
3853     DrawMiniGraphicExt(drawto,
3854                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3855                        el2edimg(new_element2));
3856   }
3857   else
3858   {
3859     new_element3 = element;
3860     DrawMiniGraphicExt(drawto,
3861                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3862                        el2edimg(new_element3));
3863   }
3864
3865   redraw_mask |= REDRAW_DOOR_1;
3866 }
3867
3868 static void RedrawDrawingElements()
3869 {
3870   PickDrawingElement(1, new_element1);
3871   PickDrawingElement(2, new_element2);
3872   PickDrawingElement(3, new_element3);
3873 }
3874
3875 static void DrawDrawingWindow()
3876 {
3877   stick_element_properties_window = FALSE;
3878
3879   SetMainBackgroundImage(IMG_UNDEFINED);
3880   ClearWindow();
3881   UnmapLevelEditorWindowGadgets();
3882
3883   AdjustDrawingAreaGadgets();
3884   AdjustLevelScrollPosition();
3885   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
3886   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
3887
3888   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3889   MapMainDrawingArea();
3890 }
3891
3892 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
3893                               boolean input)
3894 {
3895   int border_graphic =
3896     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
3897   Bitmap *src_bitmap;
3898   int src_x, src_y;
3899   int num_mini_tilex = width / MINI_TILEX + 1;
3900   int num_mini_tiley = width / MINI_TILEY + 1;
3901   int x, y;
3902
3903   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3904
3905   for (y=0; y < num_mini_tiley; y++)
3906     for (x=0; x < num_mini_tilex; x++)
3907       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3908                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3909                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3910
3911   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3912 }
3913
3914 static void DrawRandomPlacementBackgroundArea()
3915 {
3916   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
3917   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
3918   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
3919   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
3920
3921   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3922   DrawMiniElement(area_x, area_y, random_placement_background_element);
3923
3924   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
3925 }
3926
3927 static void DrawLevelInfoWindow()
3928 {
3929   int i;
3930
3931   stick_element_properties_window = FALSE;
3932
3933   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
3934   ClearWindow();
3935   UnmapLevelEditorWindowGadgets();
3936
3937   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
3938            "Level Settings", FONT_TITLE_1);
3939   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
3940            "Editor Settings", FONT_TITLE_1);
3941
3942   /* draw counter gadgets */
3943   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
3944     MapCounterButtons(i);
3945
3946   /* draw checkbutton gadgets */
3947   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
3948     MapCheckbuttonGadget(i);
3949
3950   /* draw radiobutton gadgets */
3951   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
3952     MapRadiobuttonGadget(i);
3953
3954   /* draw text input gadgets */
3955   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
3956     MapTextInputGadget(i);
3957
3958   /* draw drawing area */
3959   DrawRandomPlacementBackgroundArea();
3960 }
3961
3962 static void DrawAmoebaContentArea()
3963 {
3964   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3965   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3966   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3967   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3968
3969   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3970   DrawMiniElement(area_x, area_y, level.amoeba_content);
3971
3972   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
3973
3974   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
3975 }
3976
3977 static void DrawCustomGraphicElementArea()
3978 {
3979   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_GRAPHIC];
3980   int xpos = ED_AREA_ELEM_CONTENT3_XPOS;
3981   int ypos = ED_AREA_ELEM_CONTENT3_YPOS;
3982   int area_sx = SX + xpos;
3983   int area_sy = SY + ypos;
3984
3985   if (!IS_CUSTOM_ELEMENT(properties_element))
3986   {
3987     /* this should never happen */
3988     Error(ERR_WARN, "element %d is no custom element", properties_element);
3989
3990     return;
3991   }
3992
3993   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3994   DrawMiniGraphicExt(drawto, gi->x, gi->y,
3995                      el2edimg(custom_element.gfx_element));
3996
3997   MapDrawingArea(GADGET_ID_CUSTOM_GRAPHIC);
3998 }
3999
4000 static void DrawCustomContentArea()
4001 {
4002   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CONTENT];
4003   int area_sx = SX + ED_AREA_ELEM_CONTENT4_XPOS;
4004   int area_sy = SY + ED_AREA_ELEM_CONTENT4_YPOS;
4005   int x, y;
4006
4007   if (!IS_CUSTOM_ELEMENT(properties_element))
4008   {
4009     /* this should never happen */
4010     Error(ERR_WARN, "element %d is no custom element", properties_element);
4011
4012     return;
4013   }
4014
4015   DrawElementBorder(area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4016
4017   for (y=0; y<3; y++)
4018     for (x=0; x<3; x++)
4019       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
4020                          el2edimg(custom_element.content[x][y]));
4021
4022   MapDrawingArea(GADGET_ID_CUSTOM_CONTENT);
4023 }
4024
4025 static void DrawCustomChangeTargetArea()
4026 {
4027   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TARGET];
4028   int xpos = ED_AREA_ELEM_CONTENT2_XPOS;
4029   int ypos = ED_AREA_ELEM_CONTENT2_YPOS;
4030   int area_sx = SX + xpos;
4031   int area_sy = SY + ypos;
4032
4033   if (!IS_CUSTOM_ELEMENT(properties_element))
4034   {
4035     /* this should never happen */
4036     Error(ERR_WARN, "element %d is no custom element", properties_element);
4037
4038     return;
4039   }
4040
4041   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4042   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4043                      el2edimg(custom_element.change.successor));
4044
4045   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TARGET);
4046 }
4047
4048 static void DrawCustomChangeTriggerArea()
4049 {
4050   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TRIGGER];
4051   int xpos = ED_AREA_ELEM_CONTENT5_XPOS;
4052   int ypos = ED_AREA_ELEM_CONTENT5_YPOS;
4053   int area_sx = SX + xpos;
4054   int area_sy = SY + ypos;
4055
4056   if (!IS_CUSTOM_ELEMENT(properties_element))
4057   {
4058     /* this should never happen */
4059     Error(ERR_WARN, "element %d is no custom element", properties_element);
4060
4061     return;
4062   }
4063
4064   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4065   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4066                      el2edimg(custom_element.change.trigger));
4067
4068   MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TRIGGER);
4069 }
4070
4071 static void DrawElementContentAreas()
4072 {
4073   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
4074   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
4075   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
4076   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
4077   int i, x, y;
4078
4079   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
4080     UnmapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
4081
4082   /* display counter to choose number of element content areas */
4083   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
4084
4085   /* delete content areas in case of reducing number of them */
4086   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
4087
4088   for (i=0; i<level.num_yamyam_contents; i++)
4089     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
4090                       area_sy + 6 * (i / 4) * MINI_TILEY,
4091                       3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4092
4093   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
4094            "Content", FONT_TEXT_1);
4095   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
4096            "when",    FONT_TEXT_1);
4097   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
4098            "smashed", FONT_TEXT_1);
4099
4100   for (i=0; i<level.num_yamyam_contents; i++)
4101   {
4102     for (y=0; y<3; y++)
4103       for (x=0; x<3; x++)
4104         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
4105                         level.yamyam_content[i][x][y]);
4106
4107     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
4108               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
4109               FONT_TEXT_1, "%d", i + 1);
4110   }
4111
4112   for (i=0; i<level.num_yamyam_contents; i++)
4113     MapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
4114 }
4115
4116 char *getElementDescriptionFilename(int element)
4117 {
4118   char *docs_dir = options.docs_directory;
4119   char *elements_subdir = "elements";
4120   static char *filename = NULL;
4121   char basename[MAX_FILENAME_LEN];
4122
4123   if (filename != NULL)
4124     free(filename);
4125
4126   /* 1st try: look for element description file for exactly this element */
4127   sprintf(basename, "%s.txt", element_info[element].token_name);
4128   filename = getPath3(docs_dir, elements_subdir, basename);
4129   if (fileExists(filename))
4130     return filename;
4131
4132   free(filename);
4133
4134   /* 2nd try: look for element description file for this element's class */
4135   sprintf(basename, "%s.txt", element_info[element].class_name);
4136   filename = getPath3(docs_dir, elements_subdir, basename);
4137   if (fileExists(filename))
4138     return filename;
4139
4140   return NULL;
4141 }
4142
4143 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
4144 {
4145   int font_height = getFontHeight(font_nr);
4146   int pad_x = ED_SETTINGS_XPOS(0);
4147   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4148   int sx = SX + pad_x;
4149   int sy = SY + pad_y;
4150   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
4151
4152   if (screen_line >= max_lines_per_screen)
4153     return FALSE;
4154
4155   DrawText(sx, sy + screen_line * font_height, text, font_nr);
4156
4157   return TRUE;
4158 }
4159
4160 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
4161 {
4162   int font_nr = FONT_TEXT_2;
4163   int font_width = getFontWidth(font_nr);
4164   int pad_x = ED_SETTINGS_XPOS(0);
4165   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
4166   char line[MAX_LINE_LEN];
4167   char buffer[max_chars_per_line + 1];
4168   int buffer_len;
4169   int lines_printed = 0;
4170   FILE *file;
4171
4172   if (filename == NULL)
4173     return 0;
4174
4175   if (!(file = fopen(filename, MODE_READ)))
4176     return 0;
4177
4178   buffer[0] = '\0';
4179   buffer_len = 0;
4180
4181   while(!feof(file))
4182   {
4183     char *line_ptr, *word_ptr;
4184     boolean last_line_was_empty = TRUE;
4185
4186     /* read next line of input file */
4187     if (!fgets(line, MAX_LINE_LEN, file))
4188       break;
4189
4190     /* skip comments (lines directly beginning with '#') */
4191     if (line[0] == '#')
4192       continue;
4193
4194     /* cut trailing newline from input line */
4195     for (line_ptr = line; *line_ptr; line_ptr++)
4196     {
4197       if (*line_ptr == '\n' || *line_ptr == '\r')
4198       {
4199         *line_ptr = '\0';
4200         break;
4201       }
4202     }
4203
4204     if (strlen(line) == 0)              /* special case: force empty line */
4205       strcpy(line, "\n");
4206
4207     word_ptr = line;
4208
4209     while (*word_ptr)
4210     {
4211       boolean print_buffer = FALSE;
4212       int word_len;
4213
4214       /* skip leading whitespaces */
4215       while (*word_ptr == ' ' || *word_ptr == '\t')
4216         word_ptr++;
4217
4218       line_ptr = word_ptr;
4219       word_len = 0;
4220
4221       /* look for end of next word */
4222       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
4223       {
4224         line_ptr++;
4225         word_len++;
4226       }
4227
4228       if (word_len == 0)
4229       {
4230         continue;
4231       }
4232       else if (*word_ptr == '\n')       /* special case: force empty line */
4233       {
4234         if (buffer_len == 0)
4235           word_ptr++;
4236
4237         /* prevent printing of multiple empty lines */
4238         if (buffer_len > 0 || !last_line_was_empty)
4239           print_buffer = TRUE;
4240       }
4241       else if (word_len < max_chars_per_line - buffer_len)
4242       {
4243         /* word fits into text buffer -- add word */
4244
4245         if (buffer_len > 0)
4246           buffer[buffer_len++] = ' ';
4247
4248         strncpy(&buffer[buffer_len], word_ptr, word_len);
4249         buffer_len += word_len;
4250         buffer[buffer_len] = '\0';
4251         word_ptr += word_len;
4252       }
4253       else if (buffer_len > 0)
4254       {
4255         /* not enough space left for word in text buffer -- print buffer */
4256
4257         print_buffer = TRUE;
4258       }
4259       else
4260       {
4261         /* word does not fit at all into empty text buffer -- cut word */
4262
4263         strncpy(buffer, word_ptr, max_chars_per_line);
4264         buffer[max_chars_per_line] = '\0';
4265         word_ptr += max_chars_per_line;
4266         print_buffer = TRUE;
4267       }
4268
4269       if (print_buffer)
4270       {
4271         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4272           return lines_printed;
4273
4274         last_line_was_empty = (buffer_len == 0);
4275         lines_printed++;
4276
4277         buffer[0] = '\0';
4278         buffer_len = 0;
4279         print_buffer = FALSE;
4280       }
4281     }
4282   }
4283
4284   fclose(file);
4285
4286   if (buffer_len > 0)
4287     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4288       lines_printed++;
4289
4290   return lines_printed;
4291 }
4292
4293 static void DrawPropertiesTabulatorGadgets()
4294 {
4295   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
4296   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
4297   int gd_x = gd->x + gd_gi->border.width / 2;
4298   int gd_y = gd->y + gd_gi->height - 1;
4299   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
4300   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
4301 #if 1
4302   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
4303 #else
4304   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
4305 #endif
4306   int i;
4307
4308 #if 0
4309   /* draw additional "configure" tabulator for configurable elements */
4310   if (checkPropertiesConfig())
4311     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
4312 #endif
4313
4314   /* draw additional "advanced" tabulator for custom elements */
4315   if (IS_CUSTOM_ELEMENT(properties_element))
4316     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
4317
4318   for (i=id_first; i <= id_last; i++)
4319   {
4320     int gadget_id = textbutton_info[i].gadget_id;
4321     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4322     boolean active = (i != edit_mode_properties);
4323
4324     /* draw background line below tabulator button */
4325     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
4326
4327     /* draw solid line below inactive tabulator buttons */
4328     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
4329       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
4330
4331     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
4332     MapTextbuttonGadget(i);
4333   }
4334
4335   /* draw little border line below tabulator buttons */
4336   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
4337     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
4338                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
4339                   ED_GADGET_DISTANCE, tab_color);
4340 }
4341
4342 static void DrawPropertiesInfo()
4343 {
4344   static struct
4345   {
4346     int value;
4347     char *text;
4348   }
4349   properties[] =
4350   {
4351     /* configurable properties */
4352     { EP_INDESTRUCTIBLE,        "- undestructible"                      },
4353     { EP_SLIPPERY,              "- slippery for falling objects"        },
4354     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
4355
4356     { EP_DIGGABLE,              "- diggable"                            },
4357     { EP_COLLECTIBLE,           "- collectible"                         },
4358     { EP_PUSHABLE,              "- pushable"                            },
4359
4360     { EP_CAN_MOVE,              "- can move"                            },
4361     { EP_CAN_FALL,              "- can fall"                            },
4362 #if 0
4363     { EP_CAN_SMASH,             "- can smash"                           },
4364 #endif
4365     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
4366     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
4367     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
4368     { EP_CAN_EXPLODE,           "- can explode"                         },
4369     { EP_CAN_EXPLODE_BY_FIRE,   "  - by fire or explosions"             },
4370     { EP_CAN_EXPLODE_SMASHED,   "  - when smashed"                      },
4371     { EP_CAN_EXPLODE_IMPACT,    "  - on impact"                         },
4372
4373     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
4374     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
4375     { EP_DONT_TOUCH,            "- deadly when touching"                },
4376
4377     { EP_WALKABLE_OVER,         "- player can walk over it"             },
4378     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
4379     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
4380     { EP_PASSABLE_OVER,         "- player can pass over it"             },
4381     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
4382     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
4383
4384     /* pre-defined properties */
4385     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
4386     { EP_HAS_CONTENT,           "- can contain other elements"          },
4387
4388     { -1,                       NULL                                    }
4389   };
4390   char *filename = getElementDescriptionFilename(properties_element);
4391   char *percentage_text = "In this level:";
4392   char *properties_text = "Standard properties:";
4393   float percentage;
4394   int num_elements_in_level;
4395   int num_standard_properties = 0;
4396   int font1_nr = FONT_TEXT_1;
4397   int font2_nr = FONT_TEXT_2;
4398   int font1_width = getFontWidth(font1_nr);
4399   int font2_height = getFontHeight(font2_nr);
4400   int pad_x = ED_SETTINGS_XPOS(0);
4401   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4402   int screen_line = 0;
4403   int i, x, y;
4404
4405   /* ----- print number of elements / percentage of this element in level */
4406
4407   num_elements_in_level = 0;
4408   for (y=0; y<lev_fieldy; y++)
4409     for (x=0; x<lev_fieldx; x++)
4410       if (Feld[x][y] == properties_element)
4411         num_elements_in_level++;
4412   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
4413
4414   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
4415             percentage_text);
4416   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
4417             pad_y + screen_line++ * font2_height, font2_nr,
4418             "%d (%.2f%%)", num_elements_in_level, percentage);
4419
4420   screen_line++;
4421
4422   /* ----- print standard properties of this element */
4423
4424   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
4425             properties_text);
4426
4427   for (i=0; properties[i].value != -1; i++)
4428   {
4429     if (!HAS_PROPERTY(properties_element, properties[i].value))
4430       continue;
4431
4432     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
4433               properties[i].text);
4434     num_standard_properties++;
4435   }
4436
4437   if (num_standard_properties == 0)
4438     DrawTextF(pad_x + strlen(properties_text) * font1_width,
4439               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
4440
4441   screen_line++;
4442
4443   /* ----- print special description of this element */
4444
4445   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
4446   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
4447     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
4448 }
4449
4450 #define TEXT_COLLECTING         "Score for collecting"
4451 #define TEXT_SMASHING           "Score for smashing"
4452 #define TEXT_CRACKING           "Score for cracking"
4453 #define TEXT_SPEED              "Speed of amoeba growth"
4454 #define TEXT_DURATION           "Duration when activated"
4455
4456 static struct
4457 {
4458   int element;
4459   int *value;
4460   char *text;
4461 } elements_with_counter[] =
4462 {
4463   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
4464   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
4465   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4466   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4467   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4468   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4469   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
4470   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
4471   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
4472   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
4473   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
4474   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
4475   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
4476   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
4477   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
4478   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
4479   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
4480   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
4481   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4482   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4483   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4484   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4485   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4486   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4487   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4488   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4489   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4490   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4491   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4492   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
4493   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
4494   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
4495   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4496   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4497   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
4498   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
4499   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
4500   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4501   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4502   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4503   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4504   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
4505   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
4506   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
4507   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
4508   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
4509   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4510   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4511   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4512   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4513   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
4514   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
4515   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
4516   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
4517   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
4518   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
4519   { -1,                 NULL,                           NULL            }
4520 };
4521
4522 static boolean checkPropertiesConfig()
4523 {
4524   int i;
4525
4526   if (IS_GEM(properties_element) ||
4527       IS_CUSTOM_ELEMENT(properties_element) ||
4528       HAS_CONTENT(properties_element))
4529     return TRUE;
4530   else
4531     for (i=0; elements_with_counter[i].element != -1; i++)
4532       if (elements_with_counter[i].element == properties_element)
4533         return TRUE;
4534
4535   return FALSE;
4536 }
4537
4538 static void DrawPropertiesConfig()
4539 {
4540   int i;
4541
4542   if (!checkPropertiesConfig())
4543   {
4544     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
4545
4546     return;
4547   }
4548
4549   /* check if there are elements where a score can be chosen for */
4550   for (i=0; elements_with_counter[i].element != -1; i++)
4551   {
4552     if (elements_with_counter[i].element == properties_element)
4553     {
4554       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
4555
4556       counterbutton_info[counter_id].value = elements_with_counter[i].value;
4557       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
4558       MapCounterButtons(counter_id);
4559
4560       break;
4561     }
4562   }
4563
4564   if (HAS_CONTENT(properties_element))
4565   {
4566     /* draw stickybutton gadget */
4567     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4568     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
4569     MapCheckbuttonGadget(i);
4570
4571     if (IS_AMOEBOID(properties_element))
4572       DrawAmoebaContentArea();
4573     else
4574       DrawElementContentAreas();
4575   }
4576
4577   if (IS_GEM(properties_element))
4578     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
4579
4580   if (IS_CUSTOM_ELEMENT(properties_element))
4581   {
4582     /* draw stickybutton gadget */
4583     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4584     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4585     MapCheckbuttonGadget(i);
4586
4587     /* draw checkbutton gadgets */
4588     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
4589          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
4590       MapCheckbuttonGadget(i);
4591
4592     /* draw counter gadgets */
4593     for (i=ED_COUNTER_ID_CUSTOM_FIRST; i<=ED_COUNTER_ID_CUSTOM_LAST; i++)
4594       MapCounterButtons(i);
4595
4596     /* draw selectbox gadgets */
4597     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
4598       MapSelectboxGadget(i);
4599
4600     /* draw drawing area gadgets */
4601     DrawCustomContentArea();
4602   }
4603 }
4604
4605 static void DrawPropertiesAdvanced()
4606 {
4607   int i;
4608
4609   /* draw stickybutton gadget */
4610   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4611   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4612   MapCheckbuttonGadget(i);
4613
4614   /* draw checkbutton gadgets */
4615   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
4616        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
4617     MapCheckbuttonGadget(i);
4618
4619   /* draw counter gadgets */
4620   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
4621     MapCounterButtons(i);
4622
4623   /* draw selectbox gadgets */
4624   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
4625     MapSelectboxGadget(i);
4626
4627   /* draw textbutton gadgets */
4628   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
4629
4630   /* draw drawing area gadgets */
4631   DrawCustomGraphicElementArea();
4632   DrawCustomChangeTargetArea();
4633   DrawCustomChangeTriggerArea();
4634 }
4635
4636 static void DrawElementName(int x, int y, int element)
4637 {
4638   char *element_name = getElementInfoText(element);
4639   int font_nr = FONT_TEXT_1;
4640   int font_width = getFontWidth(font_nr);
4641   int font_height = getFontHeight(font_nr);
4642   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
4643   int max_chars_per_line = max_text_width / font_width;
4644   char buffer[max_chars_per_line + 1];
4645
4646   if (strlen(element_name) <= max_chars_per_line)
4647     DrawTextF(x, y, font_nr, element_name);
4648   else
4649   {
4650     int next_pos = max_chars_per_line;
4651
4652     strncpy(buffer, element_name, max_chars_per_line);
4653     buffer[max_chars_per_line] = '\0';
4654
4655     if (element_name[max_chars_per_line] == ' ')
4656       next_pos++;
4657     else
4658     {
4659       int i;
4660
4661       for (i = max_chars_per_line - 1; i >= 0; i--)
4662         if (buffer[i] == ' ')
4663           break;
4664
4665       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
4666       {
4667         buffer[i] = '\0';
4668         next_pos = i + 1;
4669       }
4670     }
4671
4672     DrawTextF(x, y - font_height / 2, font_nr, buffer);
4673
4674     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
4675     buffer[max_chars_per_line] = '\0';
4676
4677     DrawTextF(x, y + font_height / 2, font_nr, buffer);
4678   }
4679 }
4680
4681 static void DrawPropertiesWindow()
4682 {
4683   int xstart = 2;
4684   int ystart = 4;
4685
4686   stick_element_properties_window = FALSE;
4687
4688   /* make sure that previous properties edit mode exists for this element */
4689   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
4690       !IS_CUSTOM_ELEMENT(properties_element))
4691     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
4692
4693 #if 0
4694   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
4695       !checkPropertiesConfig())
4696     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
4697 #endif
4698
4699   if (IS_CUSTOM_ELEMENT(properties_element))
4700     CopyCustomElementPropertiesToEditor(properties_element);
4701
4702   UnmapLevelEditorWindowGadgets();
4703
4704   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4705   ClearWindow();
4706
4707   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4708            "Element Settings", FONT_TITLE_1);
4709
4710   DrawElementBorder(SX + xstart * MINI_TILEX,
4711                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4712                     TILEX, TILEY, FALSE);
4713   DrawGraphicAnimationExt(drawto,
4714                           SX + xstart * MINI_TILEX,
4715                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4716                           el2img(properties_element), -1, NO_MASKING);
4717
4718   FrameCounter = 0;     /* restart animation frame counter */
4719
4720   DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
4721                   properties_element);
4722
4723   DrawPropertiesTabulatorGadgets();
4724
4725   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
4726     DrawPropertiesInfo();
4727   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
4728     DrawPropertiesConfig();
4729   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
4730     DrawPropertiesAdvanced();
4731 }
4732
4733 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
4734 {
4735   int lx = sx + level_xpos;
4736   int ly = sy + level_ypos;
4737
4738   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
4739
4740   if (change_level)
4741     Feld[lx][ly] = element;
4742 }
4743
4744 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
4745                      int element, boolean change_level)
4746 {
4747   if (from_y == to_y)                   /* horizontal line */
4748   {
4749     int x;
4750     int y = from_y;
4751
4752     if (from_x > to_x)
4753       swap_numbers(&from_x, &to_x);
4754
4755     for (x=from_x; x<=to_x; x++)
4756       DrawLineElement(x, y, element, change_level);
4757   }
4758   else if (from_x == to_x)              /* vertical line */
4759   {
4760     int x = from_x;
4761     int y;
4762
4763     if (from_y > to_y)
4764       swap_numbers(&from_y, &to_y);
4765
4766     for (y=from_y; y<=to_y; y++)
4767       DrawLineElement(x, y, element, change_level);
4768   }
4769   else                                  /* diagonal line */
4770   {
4771     int len_x = ABS(to_x - from_x);
4772     int len_y = ABS(to_y - from_y);
4773     int x, y;
4774
4775     if (len_y < len_x)                  /* a < 1 */
4776     {
4777       float a = (float)len_y / (float)len_x;
4778
4779       if (from_x > to_x)
4780         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4781
4782       for (x=0; x<=len_x; x++)
4783       {
4784         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
4785         DrawLineElement(from_x + x, from_y + y, element, change_level);
4786       }
4787     }
4788     else                                /* a >= 1 */
4789     {
4790       float a = (float)len_x / (float)len_y;
4791
4792       if (from_y > to_y)
4793         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4794
4795       for (y=0; y<=len_y; y++)
4796       {
4797         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
4798         DrawLineElement(from_x + x, from_y + y, element, change_level);
4799       }
4800     }
4801   }
4802 }
4803
4804 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
4805                     int element, boolean change_level)
4806 {
4807   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
4808   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
4809   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
4810   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
4811 }
4812
4813 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
4814                           int element, boolean change_level)
4815 {
4816   int y;
4817
4818   if (from_y > to_y)
4819     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4820
4821   for (y=from_y; y<=to_y; y++)
4822     DrawLine(from_x, y, to_x, y, element, change_level);
4823 }
4824
4825 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
4826                        int element, boolean change_level)
4827 {
4828   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
4829   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
4830   int len_x = ABS(to_x - from_x);
4831   int len_y = ABS(to_y - from_y);
4832   int radius, x, y;
4833
4834   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
4835
4836   /* not optimal (some points get drawn twice) but simple,
4837      and fast enough for the few points we are drawing */
4838
4839   for (x=0; x<=radius; x++)
4840   {
4841     int sx, sy, lx, ly;
4842
4843     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
4844
4845     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4846     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4847     lx = sx + level_xpos;
4848     ly = sy + level_ypos;
4849
4850     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4851       DrawLineElement(sx, sy, element, change_level);
4852   }
4853
4854   for (y=0; y<=radius; y++)
4855   {
4856     int sx, sy, lx, ly;
4857
4858     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
4859
4860     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4861     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4862     lx = sx + level_xpos;
4863     ly = sy + level_ypos;
4864
4865     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4866       DrawLineElement(sx, sy, element, change_level);
4867   }
4868 }
4869
4870 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
4871                     int element, boolean change_level)
4872 {
4873   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4874   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4875
4876   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4877 }
4878
4879 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
4880 #if DRAW_CIRCLES_BUTTON_AVAILABLE
4881 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
4882                        int element, boolean change_level)
4883 {
4884   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4885   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4886   int mirror_to_x2 = from_x - (to_x2 - from_x);
4887   int mirror_to_y2 = from_y - (to_y2 - from_y);
4888
4889   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4890   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
4891   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
4892   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
4893 }
4894 #endif
4895
4896 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
4897 {
4898   int from_sx, from_sy;
4899   int to_sx, to_sy;
4900
4901   if (from_x > to_x)
4902     swap_numbers(&from_x, &to_x);
4903
4904   if (from_y > to_y)
4905     swap_numbers(&from_y, &to_y);
4906
4907   from_sx = SX + from_x * MINI_TILEX;
4908   from_sy = SY + from_y * MINI_TILEY;
4909   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
4910   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
4911
4912   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
4913   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
4914   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
4915   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
4916
4917   if (from_x == to_x && from_y == to_y)
4918     MarkTileDirty(from_x/2, from_y/2);
4919   else
4920     redraw_mask |= REDRAW_FIELD;
4921 }
4922
4923 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
4924                        int element, boolean change_level)
4925 {
4926   if (element == -1 || change_level)
4927     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
4928   else
4929     DrawAreaBorder(from_x, from_y, to_x, to_y);
4930 }
4931
4932 /* values for CopyBrushExt() */
4933 #define CB_AREA_TO_BRUSH        0
4934 #define CB_BRUSH_TO_CURSOR      1
4935 #define CB_BRUSH_TO_LEVEL       2
4936 #define CB_DELETE_OLD_CURSOR    3
4937
4938 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
4939                          int button, int mode)
4940 {
4941   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
4942   static int brush_width, brush_height;
4943   static int last_cursor_x = -1, last_cursor_y = -1;
4944   static boolean delete_old_brush;
4945   int new_element = BUTTON_ELEMENT(button);
4946   int x, y;
4947
4948   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
4949     return;
4950
4951   if (mode == CB_AREA_TO_BRUSH)
4952   {
4953     int from_lx, from_ly;
4954
4955     if (from_x > to_x)
4956       swap_numbers(&from_x, &to_x);
4957
4958     if (from_y > to_y)
4959       swap_numbers(&from_y, &to_y);
4960
4961     brush_width = to_x - from_x + 1;
4962     brush_height = to_y - from_y + 1;
4963
4964     from_lx = from_x + level_xpos;
4965     from_ly = from_y + level_ypos;
4966
4967     for (y=0; y<brush_height; y++)
4968     {
4969       for (x=0; x<brush_width; x++)
4970       {
4971         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
4972
4973         if (button != 1)
4974           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
4975       }
4976     }
4977
4978     if (button != 1)
4979       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4980
4981     delete_old_brush = FALSE;
4982   }
4983   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
4984            mode == CB_BRUSH_TO_LEVEL)
4985   {
4986     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
4987     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
4988     int cursor_from_x = cursor_x - brush_width / 2;
4989     int cursor_from_y = cursor_y - brush_height / 2;
4990     int border_from_x = cursor_x, border_from_y = cursor_y;
4991     int border_to_x = cursor_x, border_to_y = cursor_y;
4992
4993     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
4994       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
4995
4996     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
4997         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
4998     {
4999       delete_old_brush = FALSE;
5000       return;
5001     }
5002
5003     for (y=0; y<brush_height; y++)
5004     {
5005       for (x=0; x<brush_width; x++)
5006       {
5007         int sx = cursor_from_x + x;
5008         int sy = cursor_from_y + y;
5009         int lx = sx + level_xpos;
5010         int ly = sy + level_ypos;
5011         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
5012         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
5013                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
5014                        brush_buffer[x][y] : new_element);
5015
5016         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5017         {
5018           if (sx < border_from_x)
5019             border_from_x = sx;
5020           else if (sx > border_to_x)
5021             border_to_x = sx;
5022           if (sy < border_from_y)
5023             border_from_y = sy;
5024           else if (sy > border_to_y)
5025             border_to_y = sy;
5026
5027           DrawLineElement(sx, sy, element, change_level);
5028         }
5029       }
5030     }
5031
5032     if (mode != CB_DELETE_OLD_CURSOR)
5033       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
5034
5035     last_cursor_x = cursor_x;
5036     last_cursor_y = cursor_y;
5037     delete_old_brush = TRUE;
5038   }
5039 }
5040
5041 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
5042                             int button)
5043 {
5044   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
5045 }
5046
5047 static void CopyBrushToLevel(int x, int y, int button)
5048 {
5049   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
5050 }
5051
5052 static void CopyBrushToCursor(int x, int y)
5053 {
5054   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
5055 }
5056
5057 static void DeleteBrushFromCursor()
5058 {
5059   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5060 }
5061
5062 static void FloodFill(int from_x, int from_y, int fill_element)
5063 {
5064   int i,x,y;
5065   int old_element;
5066   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
5067   static int safety = 0;
5068
5069   /* check if starting field still has the desired content */
5070   if (Feld[from_x][from_y] == fill_element)
5071     return;
5072
5073   safety++;
5074
5075   if (safety > lev_fieldx*lev_fieldy)
5076     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
5077
5078   old_element = Feld[from_x][from_y];
5079   Feld[from_x][from_y] = fill_element;
5080
5081   for(i=0;i<4;i++)
5082   {
5083     x = from_x + check[i][0];
5084     y = from_y + check[i][1];
5085
5086     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
5087       FloodFill(x, y, fill_element);
5088   }
5089
5090   safety--;
5091 }
5092
5093 /* values for DrawLevelText() modes */
5094 #define TEXT_INIT               0
5095 #define TEXT_SETCURSOR          1
5096 #define TEXT_WRITECHAR          2
5097 #define TEXT_BACKSPACE          3
5098 #define TEXT_NEWLINE            4
5099 #define TEXT_END                5
5100 #define TEXT_QUERY_TYPING       6
5101
5102 static int DrawLevelText(int sx, int sy, char letter, int mode)
5103 {
5104   static short delete_buffer[MAX_LEV_FIELDX];
5105   static int start_sx, start_sy;
5106   static int last_sx, last_sy;
5107   static boolean typing = FALSE;
5108   int letter_element = EL_CHAR_ASCII0 + letter;
5109   int lx = 0, ly = 0;
5110
5111   /* map lower case letters to upper case and convert special characters */
5112   if (letter >= 'a' && letter <= 'z')
5113     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
5114   else if (letter == 'ä' || letter == 'Ä')
5115     letter_element = EL_CHAR_AUMLAUT;
5116   else if (letter == 'ö' || letter == 'Ö')
5117     letter_element = EL_CHAR_OUMLAUT;
5118   else if (letter == 'ü' || letter == 'Ü')
5119     letter_element = EL_CHAR_UUMLAUT;
5120   else if (letter == '^')
5121     letter_element = EL_CHAR_COPYRIGHT;
5122   else
5123     letter_element = EL_CHAR_ASCII0 + letter;
5124
5125   if (mode != TEXT_INIT)
5126   {
5127     if (!typing)
5128       return FALSE;
5129
5130     if (mode != TEXT_SETCURSOR)
5131     {
5132       sx = last_sx;
5133       sy = last_sy;
5134     }
5135
5136     lx = last_sx + level_xpos;
5137     ly = last_sy + level_ypos;
5138   }
5139
5140   switch (mode)
5141   {
5142     case TEXT_INIT:
5143       if (typing)
5144         DrawLevelText(0, 0, 0, TEXT_END);
5145
5146       typing = TRUE;
5147       start_sx = last_sx = sx;
5148       start_sy = last_sy = sy;
5149       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
5150       break;
5151
5152     case TEXT_SETCURSOR:
5153       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
5154       DrawAreaBorder(sx, sy, sx, sy);
5155       last_sx = sx;
5156       last_sy = sy;
5157       break;
5158
5159     case TEXT_WRITECHAR:
5160       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
5161       {
5162         delete_buffer[sx - start_sx] = Feld[lx][ly];
5163         Feld[lx][ly] = letter_element;
5164
5165         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
5166           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
5167         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
5168           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5169         else
5170           DrawLevelText(0, 0, 0, TEXT_END);
5171       }
5172       break;
5173
5174     case TEXT_BACKSPACE:
5175       if (sx > start_sx)
5176       {
5177         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
5178         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
5179         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
5180       }
5181       break;
5182
5183     case TEXT_NEWLINE:
5184       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
5185         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5186       else
5187         DrawLevelText(0, 0, 0, TEXT_END);
5188       break;
5189
5190     case TEXT_END:
5191       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5192       DrawMiniElement(sx, sy, Feld[lx][ly]);
5193       typing = FALSE;
5194       break;
5195
5196     case TEXT_QUERY_TYPING:
5197       break;
5198
5199     default:
5200       break;
5201   }
5202
5203   return typing;
5204 }
5205
5206 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
5207                           int element, boolean change_level)
5208 {
5209   int lx = sx + level_xpos;
5210   int ly = sy + level_ypos;
5211
5212   if (element == -1)
5213     DrawMiniElement(sx, sy, Feld[lx][ly]);
5214   else
5215     DrawAreaBorder(sx, sy, sx, sy);
5216 }
5217
5218 static void CopyLevelToUndoBuffer(int mode)
5219 {
5220   static boolean accumulated_undo = FALSE;
5221   boolean new_undo_buffer_position = TRUE;
5222   int last_border_element;
5223   int x, y;
5224
5225   switch (mode)
5226   {
5227     case UNDO_IMMEDIATE:
5228       accumulated_undo = FALSE;
5229       break;
5230
5231     case UNDO_ACCUMULATE:
5232       if (accumulated_undo)
5233         new_undo_buffer_position = FALSE;
5234       accumulated_undo = TRUE;
5235       break;
5236
5237     default:
5238       break;
5239   }
5240
5241   if (new_undo_buffer_position)
5242   {
5243     /* new position in undo buffer ring */
5244     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
5245
5246     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
5247       undo_buffer_steps++;
5248   }
5249
5250   for(x=0; x<lev_fieldx; x++)
5251     for(y=0; y<lev_fieldy; y++)
5252       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
5253
5254   /* check if drawing operation forces change of border style */
5255   last_border_element = BorderElement;
5256   SetBorderElement();
5257   if (BorderElement != last_border_element)
5258     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5259 }
5260
5261 static void RandomPlacement(int new_element)
5262 {
5263   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5264   int num_free_positions;
5265   int num_percentage;
5266   int num_elements;
5267   int x, y;
5268
5269   /* determine number of free positions for the new elements */
5270   /* (maybe this statement should be formatted a bit more readable...) */
5271   num_free_positions = 0;
5272   for (x=0; x<lev_fieldx; x++)
5273     for (y=0; y<lev_fieldy; y++)
5274       if ((free_position[x][y] =
5275            ((random_placement_background_restricted &&
5276              Feld[x][y] == random_placement_background_element) ||
5277             (!random_placement_background_restricted &&
5278              Feld[x][y] != new_element))) == TRUE)
5279         num_free_positions++;
5280
5281   /* determine number of new elements to place there */
5282   num_percentage = num_free_positions * random_placement_value / 100;
5283   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
5284                   num_percentage : random_placement_value);
5285
5286   /* if not more free positions than elements to place, fill whole level */
5287   if (num_elements >= num_free_positions)
5288   {
5289     for (x=0; x<lev_fieldx; x++)
5290       for (y=0; y<lev_fieldy; y++)
5291         Feld[x][y] = new_element;
5292
5293     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5294     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5295     return;
5296   }
5297
5298   while (num_elements > 0)
5299   {
5300     x = RND(lev_fieldx);
5301     y = RND(lev_fieldy);
5302
5303     /* don't place element at the same position twice */
5304     if (free_position[x][y])
5305     {
5306       free_position[x][y] = FALSE;
5307       Feld[x][y] = new_element;
5308       num_elements--;
5309     }
5310   }
5311
5312   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5313   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5314 }
5315
5316 void WrapLevel(int dx, int dy)
5317 {
5318   int wrap_dx = lev_fieldx - dx;
5319   int wrap_dy = lev_fieldy - dy;
5320   int x, y;
5321
5322   for(x=0; x<lev_fieldx; x++)
5323     for(y=0; y<lev_fieldy; y++)
5324       FieldBackup[x][y] = Feld[x][y];
5325
5326   for(x=0; x<lev_fieldx; x++)
5327     for(y=0; y<lev_fieldy; y++)
5328       Feld[x][y] =
5329         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
5330
5331   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5332   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
5333 }
5334
5335 static void HandleDrawingAreas(struct GadgetInfo *gi)
5336 {
5337   static boolean started_inside_drawing_area = FALSE;
5338   int id = gi->custom_id;
5339   boolean button_press_event;
5340   boolean button_release_event;
5341   boolean inside_drawing_area = !gi->event.off_borders;
5342   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
5343   int actual_drawing_function;
5344   int button = gi->event.button;
5345   int new_element = BUTTON_ELEMENT(button);
5346   int sx = gi->event.x, sy = gi->event.y;
5347   int min_sx = 0, min_sy = 0;
5348   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
5349   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
5350   int lx = 0, ly = 0;
5351   int min_lx = 0, min_ly = 0;
5352   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
5353   int x, y;
5354
5355   /* handle info callback for each invocation of action callback */
5356   gi->callback_info(gi);
5357
5358   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
5359   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
5360
5361   /* make sure to stay inside drawing area boundaries */
5362   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
5363   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
5364
5365   if (draw_level)
5366   {
5367     /* get positions inside level field */
5368     lx = sx + level_xpos;
5369     ly = sy + level_ypos;
5370
5371     if (!IN_LEV_FIELD(lx, ly))
5372       inside_drawing_area = FALSE;
5373
5374     /* make sure to stay inside level field boundaries */
5375     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5376     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5377
5378     /* correct drawing area positions accordingly */
5379     sx = lx - level_xpos;
5380     sy = ly - level_ypos;
5381   }
5382
5383   if (button_press_event)
5384     started_inside_drawing_area = inside_drawing_area;
5385
5386   if (!started_inside_drawing_area)
5387     return;
5388
5389   if (!button && !button_release_event)
5390     return;
5391
5392   /* automatically switch to 'single item' drawing mode, if needed */
5393   actual_drawing_function =
5394     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
5395      drawing_function : GADGET_ID_SINGLE_ITEMS);
5396
5397   switch (actual_drawing_function)
5398   {
5399     case GADGET_ID_SINGLE_ITEMS:
5400       if (draw_level)
5401       {
5402         if (button_release_event)
5403         {
5404           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5405
5406           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
5407               !inside_drawing_area)
5408             DeleteBrushFromCursor();
5409         }
5410
5411         if (!button)
5412           break;
5413
5414         if (draw_with_brush)
5415         {
5416           if (!button_release_event)
5417             CopyBrushToLevel(sx, sy, button);
5418         }
5419         else if (new_element != Feld[lx][ly])
5420         {
5421           if (new_element == EL_PLAYER_1)
5422           {
5423             /* remove player at old position */
5424             for(y=0; y<lev_fieldy; y++)
5425             {
5426               for(x=0; x<lev_fieldx; x++)
5427               {
5428                 if (Feld[x][y] == EL_PLAYER_1)
5429                 {
5430                   Feld[x][y] = EL_EMPTY;
5431                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
5432                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
5433                     DrawMiniElement(x - level_xpos, y - level_ypos,
5434                                     EL_EMPTY);
5435                 }
5436               }
5437             }
5438           }
5439
5440           Feld[lx][ly] = new_element;
5441           DrawMiniElement(sx, sy, new_element);
5442         }
5443       }
5444       else
5445       {
5446         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
5447           DrawMiniGraphicExt(drawto,
5448                              gi->x + sx * MINI_TILEX,
5449                              gi->y + sy * MINI_TILEY,
5450                              el2edimg(new_element));
5451         else
5452           DrawGraphicExt(drawto,
5453                          gi->x + sx * TILEX,
5454                          gi->y + sy * TILEY,
5455                          el2img(new_element), 0);
5456
5457         if (id == GADGET_ID_AMOEBA_CONTENT)
5458           level.amoeba_content = new_element;
5459         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5460         {
5461           new_element = GFX_ELEMENT(new_element);
5462           custom_element.gfx_element = new_element;
5463           element_info[properties_element] = custom_element;
5464
5465           ModifyEditorElementList();
5466           RedrawDrawingElements();
5467
5468           FrameCounter = 0;     /* restart animation frame counter */
5469         }
5470         else if (id == GADGET_ID_CUSTOM_CONTENT)
5471         {
5472           custom_element.content[sx][sy] = new_element;
5473           element_info[properties_element] = custom_element;
5474         }
5475         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
5476         {
5477           custom_element.change.successor = new_element;
5478           element_info[properties_element] = custom_element;
5479         }
5480         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
5481         {
5482           custom_element.change.trigger = new_element;
5483           element_info[properties_element] = custom_element;
5484         }
5485         else if (id == GADGET_ID_RANDOM_BACKGROUND)
5486           random_placement_background_element = new_element;
5487         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5488                  id <= GADGET_ID_ELEMENT_CONTENT_7)
5489           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
5490             new_element;
5491       }
5492       break;
5493
5494     case GADGET_ID_CONNECTED_ITEMS:
5495       {
5496         static int last_sx = -1;
5497         static int last_sy = -1;
5498
5499         if (button_release_event)
5500           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5501
5502         if (button)
5503         {
5504           if (!button_press_event)
5505             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
5506
5507           last_sx = sx;
5508           last_sy = sy;
5509         }
5510       }
5511       break;
5512
5513     case GADGET_ID_LINE:
5514     case GADGET_ID_ARC:
5515     case GADGET_ID_RECTANGLE:
5516     case GADGET_ID_FILLED_BOX:
5517     case GADGET_ID_GRAB_BRUSH:
5518     case GADGET_ID_TEXT:
5519       {
5520         static int last_sx = -1;
5521         static int last_sy = -1;
5522         static int start_sx = -1;
5523         static int start_sy = -1;
5524         void (*draw_func)(int, int, int, int, int, boolean);
5525
5526         if (drawing_function == GADGET_ID_LINE)
5527           draw_func = DrawLine;
5528         else if (drawing_function == GADGET_ID_ARC)
5529           draw_func = DrawArc;
5530         else if (drawing_function == GADGET_ID_RECTANGLE)
5531           draw_func = DrawBox;
5532         else if (drawing_function == GADGET_ID_FILLED_BOX)
5533           draw_func = DrawFilledBox;
5534         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
5535           draw_func = SelectArea;
5536         else /* (drawing_function == GADGET_ID_TEXT) */
5537           draw_func = SetTextCursor;
5538
5539         if (button_press_event)
5540         {
5541           draw_func(sx, sy, sx, sy, new_element, FALSE);
5542           start_sx = last_sx = sx;
5543           start_sy = last_sy = sy;
5544
5545           if (drawing_function == GADGET_ID_TEXT)
5546             DrawLevelText(0, 0, 0, TEXT_END);
5547         }
5548         else if (button_release_event)
5549         {
5550           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
5551           if (drawing_function == GADGET_ID_GRAB_BRUSH)
5552           {
5553             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
5554             CopyBrushToCursor(sx, sy);
5555             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
5556                           MB_LEFTBUTTON);
5557             draw_with_brush = TRUE;
5558           }
5559           else if (drawing_function == GADGET_ID_TEXT)
5560             DrawLevelText(sx, sy, 0, TEXT_INIT);
5561           else
5562             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5563         }
5564         else if (last_sx != sx || last_sy != sy)
5565         {
5566           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
5567           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
5568           last_sx = sx;
5569           last_sy = sy;
5570         }
5571       }
5572       break;
5573
5574     case GADGET_ID_FLOOD_FILL:
5575       if (button_press_event && Feld[lx][ly] != new_element)
5576       {
5577         FloodFill(lx, ly, new_element);
5578         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5579         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5580       }
5581       break;
5582
5583     case GADGET_ID_PICK_ELEMENT:
5584       if (button_release_event)
5585         ClickOnGadget(level_editor_gadget[last_drawing_function],
5586                       MB_LEFTBUTTON);
5587       else if (draw_level)
5588         PickDrawingElement(button, Feld[lx][ly]);
5589       else if (id == GADGET_ID_AMOEBA_CONTENT)
5590         PickDrawingElement(button, level.amoeba_content);
5591       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5592         PickDrawingElement(button, custom_element.gfx_element);
5593       else if (id == GADGET_ID_CUSTOM_CONTENT)
5594         PickDrawingElement(button, custom_element.content[sx][sy]);
5595       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
5596         PickDrawingElement(button, custom_element.change.successor);
5597       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
5598         PickDrawingElement(button, custom_element.change.trigger);
5599       else if (id == GADGET_ID_RANDOM_BACKGROUND)
5600         PickDrawingElement(button, random_placement_background_element);
5601       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5602                id <= GADGET_ID_ELEMENT_CONTENT_7)
5603       {
5604         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
5605
5606         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
5607       }
5608
5609       break;
5610
5611     default:
5612       break;
5613   }
5614 }
5615
5616 static void HandleCounterButtons(struct GadgetInfo *gi)
5617 {
5618   int gadget_id = gi->custom_id;
5619   int counter_id = gi->custom_type_id;
5620   int button = gi->event.button;
5621   int *counter_value = counterbutton_info[counter_id].value;
5622   int step = BUTTON_STEPSIZE(button) *
5623     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
5624
5625   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
5626   {
5627     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
5628     boolean released = (gi->event.type == GD_EVENT_RELEASED);
5629     boolean level_changed = LevelChanged();
5630
5631     if ((level_changed && pressed) || (!level_changed && released))
5632       return;
5633
5634     if (level_changed && !Request("Level has changed! Discard changes ?",
5635                                   REQ_ASK))
5636     {
5637       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5638         ModifyEditorCounter(counter_id, *counter_value);
5639       return;
5640     }
5641   }
5642
5643   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5644     *counter_value = gi->text.number_value;
5645   else
5646     ModifyEditorCounter(counter_id, *counter_value + step);
5647
5648   switch (counter_id)
5649   {
5650     case ED_COUNTER_ID_ELEMENT_CONTENT:
5651       DrawElementContentAreas();
5652       break;
5653
5654     case ED_COUNTER_ID_LEVEL_XSIZE:
5655     case ED_COUNTER_ID_LEVEL_YSIZE:
5656       lev_fieldx = level.fieldx;
5657       lev_fieldy = level.fieldy;
5658       break;
5659
5660     case ED_COUNTER_ID_SELECT_LEVEL:
5661       LoadLevel(level_nr);
5662       TapeErase();
5663       ResetUndoBuffer();
5664       DrawEditModeWindow();
5665       break;
5666
5667     default:
5668       break;
5669   }
5670
5671   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
5672        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
5673       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
5674        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
5675     CopyCustomElementPropertiesToGame(properties_element);
5676 }
5677
5678 static void HandleTextInputGadgets(struct GadgetInfo *gi)
5679 {
5680   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
5681 }
5682
5683 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
5684 {
5685   int type_id = gi->custom_type_id;
5686
5687   *selectbox_info[type_id].value =
5688     selectbox_info[type_id].options[gi->selectbox.index].value;
5689
5690   if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
5691        type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
5692       (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
5693        type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
5694     CopyCustomElementPropertiesToGame(properties_element);
5695 }
5696
5697 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
5698 {
5699   if (gi->custom_type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
5700       gi->custom_type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
5701   {
5702     edit_mode_properties = gi->custom_type_id;
5703
5704     DrawPropertiesWindow();
5705   }
5706 }
5707
5708 static void HandleRadiobuttons(struct GadgetInfo *gi)
5709 {
5710   *radiobutton_info[gi->custom_type_id].value =
5711     radiobutton_info[gi->custom_type_id].checked_value;
5712 }
5713
5714 static void HandleCheckbuttons(struct GadgetInfo *gi)
5715 {
5716   int type_id = gi->custom_type_id;
5717
5718   *checkbutton_info[type_id].value ^= TRUE;
5719
5720   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
5721        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
5722       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
5723        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST))
5724     CopyCustomElementPropertiesToGame(properties_element);
5725
5726   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
5727   {
5728     ModifyEditorElementList();
5729     RedrawDrawingElements();
5730   }
5731 }
5732
5733 static void HandleControlButtons(struct GadgetInfo *gi)
5734 {
5735   int id = gi->custom_id;
5736   int button = gi->event.button;
5737   int step = BUTTON_STEPSIZE(button);
5738   int new_element = BUTTON_ELEMENT(button);
5739   int x, y;
5740
5741   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
5742     DrawLevelText(0, 0, 0, TEXT_END);
5743
5744   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
5745       id != GADGET_ID_PICK_ELEMENT && edit_mode != ED_MODE_DRAWING &&
5746       drawing_function != GADGET_ID_PICK_ELEMENT)
5747   {
5748     DrawDrawingWindow();
5749     edit_mode = ED_MODE_DRAWING;
5750   }
5751
5752   switch (id)
5753   {
5754     case GADGET_ID_SCROLL_LEFT:
5755       if (level_xpos >= 0)
5756       {
5757         if (lev_fieldx < ed_fieldx - 2)
5758           break;
5759
5760         level_xpos -= step;
5761         if (level_xpos < -1)
5762           level_xpos = -1;
5763         if (button == 1)
5764           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
5765         else
5766           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5767
5768         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5769                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5770       }
5771       break;
5772
5773     case GADGET_ID_SCROLL_RIGHT:
5774       if (level_xpos <= lev_fieldx - ed_fieldx)
5775       {
5776         if (lev_fieldx < ed_fieldx - 2)
5777           break;
5778
5779         level_xpos += step;
5780         if (level_xpos > lev_fieldx - ed_fieldx + 1)
5781           level_xpos = lev_fieldx - ed_fieldx + 1;
5782         if (button == 1)
5783           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
5784         else
5785           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5786
5787         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5788                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5789       }
5790       break;
5791
5792     case GADGET_ID_SCROLL_UP:
5793       if (level_ypos >= 0)
5794       {
5795         if (lev_fieldy < ed_fieldy - 2)
5796           break;
5797
5798         level_ypos -= step;
5799         if (level_ypos < -1)
5800           level_ypos = -1;
5801         if (button == 1)
5802           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
5803         else
5804           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5805
5806         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5807                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5808       }
5809       break;
5810
5811     case GADGET_ID_SCROLL_DOWN:
5812       if (level_ypos <= lev_fieldy - ed_fieldy)
5813       {
5814         if (lev_fieldy < ed_fieldy - 2)
5815           break;
5816
5817         level_ypos += step;
5818         if (level_ypos > lev_fieldy - ed_fieldy + 1)
5819           level_ypos = lev_fieldy - ed_fieldy + 1;
5820         if (button == 1)
5821           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
5822         else
5823           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5824
5825         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5826                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5827       }
5828       break;
5829
5830     case GADGET_ID_SCROLL_HORIZONTAL:
5831       level_xpos = gi->event.item_position - 1;
5832       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5833       break;
5834
5835     case GADGET_ID_SCROLL_VERTICAL:
5836       level_ypos = gi->event.item_position - 1;
5837       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5838       break;
5839
5840     case GADGET_ID_SCROLL_LIST_UP:
5841     case GADGET_ID_SCROLL_LIST_DOWN:
5842     case GADGET_ID_SCROLL_LIST_VERTICAL:
5843       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
5844         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
5845       else
5846       {
5847         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
5848         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
5849
5850         if (element_shift < 0)
5851           element_shift = 0;
5852         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
5853           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
5854
5855         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
5856                      GDI_SCROLLBAR_ITEM_POSITION,
5857                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
5858       }
5859
5860       ModifyEditorElementList();
5861
5862       break;
5863
5864     case GADGET_ID_WRAP_LEFT:
5865       WrapLevel(-step, 0);
5866       break;
5867
5868     case GADGET_ID_WRAP_RIGHT:
5869       WrapLevel(step, 0);
5870       break;
5871
5872     case GADGET_ID_WRAP_UP:
5873       WrapLevel(0, -step);
5874       break;
5875
5876     case GADGET_ID_WRAP_DOWN:
5877       WrapLevel(0, step);
5878       break;
5879
5880     case GADGET_ID_SINGLE_ITEMS:
5881     case GADGET_ID_CONNECTED_ITEMS:
5882     case GADGET_ID_LINE:
5883     case GADGET_ID_ARC:
5884     case GADGET_ID_TEXT:
5885     case GADGET_ID_RECTANGLE:
5886     case GADGET_ID_FILLED_BOX:
5887     case GADGET_ID_FLOOD_FILL:
5888     case GADGET_ID_GRAB_BRUSH:
5889     case GADGET_ID_PICK_ELEMENT:
5890       if (drawing_function != GADGET_ID_PICK_ELEMENT)
5891         last_drawing_function = drawing_function;
5892       drawing_function = id;
5893       draw_with_brush = FALSE;
5894       break;
5895
5896     case GADGET_ID_RANDOM_PLACEMENT:
5897       RandomPlacement(new_element);
5898       break;
5899
5900     case GADGET_ID_PROPERTIES:
5901       if (edit_mode != ED_MODE_PROPERTIES)
5902       {
5903         properties_element = new_element;
5904         DrawPropertiesWindow();
5905         edit_mode = ED_MODE_PROPERTIES;
5906       }
5907       else
5908       {
5909         DrawDrawingWindow();
5910         edit_mode = ED_MODE_DRAWING;
5911       }
5912       break;
5913
5914     case GADGET_ID_UNDO:
5915       if (undo_buffer_steps == 0)
5916       {
5917         Request("Undo buffer empty !", REQ_CONFIRM);
5918         break;
5919       }
5920
5921       if (edit_mode != ED_MODE_DRAWING)
5922       {
5923         DrawDrawingWindow();
5924         edit_mode = ED_MODE_DRAWING;
5925       }
5926
5927       undo_buffer_position =
5928         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
5929       undo_buffer_steps--;
5930
5931       for(x=0; x<lev_fieldx; x++)
5932         for(y=0; y<lev_fieldy; y++)
5933           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
5934       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
5935       break;
5936
5937     case GADGET_ID_INFO:
5938       if (edit_mode != ED_MODE_INFO)
5939       {
5940         DrawLevelInfoWindow();
5941         edit_mode = ED_MODE_INFO;
5942       }
5943       else
5944       {
5945         DrawDrawingWindow();
5946         edit_mode = ED_MODE_DRAWING;
5947       }
5948       break;
5949
5950     case GADGET_ID_CLEAR:
5951       if (edit_mode != ED_MODE_DRAWING)
5952       {
5953         DrawDrawingWindow();
5954         edit_mode = ED_MODE_DRAWING;
5955       }
5956
5957       for(x=0; x<MAX_LEV_FIELDX; x++)
5958         for(y=0; y<MAX_LEV_FIELDY; y++)
5959           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
5960       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
5961
5962       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5963       break;
5964
5965     case GADGET_ID_SAVE:
5966       if (leveldir_current->readonly)
5967       {
5968         Request("This level is read only !", REQ_CONFIRM);
5969         break;
5970       }
5971
5972       if (!LevelContainsPlayer)
5973         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5974       else
5975       {
5976         if (Request("Save this level and kill the old ?", REQ_ASK))
5977         {
5978           CopyPlayfield(Feld, Ur);
5979
5980           SaveLevel(level_nr);
5981         }
5982       }
5983       break;
5984
5985     case GADGET_ID_TEST:
5986       if (!LevelContainsPlayer)
5987         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5988       else
5989       {
5990         if (LevelChanged())
5991           level.game_version = GAME_VERSION_ACTUAL;
5992
5993         CopyPlayfield(Ur, FieldBackup);
5994         CopyPlayfield(Feld, Ur);
5995
5996         UnmapLevelEditorGadgets();
5997         UndrawSpecialEditorDoor();
5998
5999         CloseDoor(DOOR_CLOSE_ALL);
6000
6001         DrawCompleteVideoDisplay();
6002
6003         if (setup.autorecord)
6004           TapeStartRecording();
6005
6006         level_editor_test_game = TRUE;
6007         game_status = GAME_MODE_PLAYING;
6008
6009         InitGame();
6010       }
6011       break;
6012
6013     case GADGET_ID_EXIT:
6014       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
6015       break;
6016
6017     default:
6018       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
6019           id <= GADGET_ID_ELEMENTLIST_LAST)
6020       {
6021         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
6022         int new_element = editor_elements[element_position + element_shift];
6023
6024         PickDrawingElement(button, new_element);
6025
6026         if (!stick_element_properties_window &&
6027             drawing_function != GADGET_ID_PICK_ELEMENT)
6028         {
6029           properties_element = new_element;
6030           if (edit_mode == ED_MODE_PROPERTIES)
6031             DrawPropertiesWindow();
6032         }
6033
6034         if (drawing_function == GADGET_ID_PICK_ELEMENT)
6035           ClickOnGadget(level_editor_gadget[last_drawing_function],
6036                         MB_LEFTBUTTON);
6037       }
6038 #ifdef DEBUG
6039       else if (gi->event.type == GD_EVENT_PRESSED)
6040         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
6041       else if (gi->event.type == GD_EVENT_RELEASED)
6042         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
6043       else if (gi->event.type == GD_EVENT_MOVING)
6044         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
6045       else
6046         printf("default: HandleControlButtons: ? (id == %d)\n", id);
6047 #endif
6048       break;
6049   }
6050 }
6051
6052 void HandleLevelEditorKeyInput(Key key)
6053 {
6054   char letter = getCharFromKey(key);
6055   int button = MB_LEFTBUTTON;
6056
6057   if (drawing_function == GADGET_ID_TEXT &&
6058       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
6059   {
6060     if (letter)
6061       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
6062     else if (key == KSYM_Delete || key == KSYM_BackSpace)
6063       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
6064     else if (key == KSYM_Return)
6065       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
6066     else if (key == KSYM_Escape)
6067       DrawLevelText(0, 0, 0, TEXT_END);
6068   }
6069   else if (button_status == MB_RELEASED)
6070   {
6071     int i, id = GADGET_ID_NONE;
6072
6073     switch (key)
6074     {
6075       case KSYM_Left:
6076         id = GADGET_ID_SCROLL_LEFT;
6077         break;
6078       case KSYM_Right:
6079         id = GADGET_ID_SCROLL_RIGHT;
6080         break;
6081       case KSYM_Up:
6082         id = GADGET_ID_SCROLL_UP;
6083         break;
6084       case KSYM_Down:
6085         id = GADGET_ID_SCROLL_DOWN;
6086         break;
6087       case KSYM_Page_Up:
6088         id = GADGET_ID_SCROLL_LIST_UP;
6089         button = MB_RIGHTBUTTON;
6090         break;
6091       case KSYM_Page_Down:
6092         id = GADGET_ID_SCROLL_LIST_DOWN;
6093         button = MB_RIGHTBUTTON;
6094         break;
6095
6096       case KSYM_Escape:
6097         if (edit_mode == ED_MODE_DRAWING)
6098         {
6099           RequestExitLevelEditor(setup.ask_on_escape);
6100         }
6101         else
6102         {
6103           DrawDrawingWindow();
6104           edit_mode = ED_MODE_DRAWING;
6105         }
6106         break;
6107
6108       default:
6109         break;
6110     }
6111
6112     if (id != GADGET_ID_NONE)
6113       ClickOnGadget(level_editor_gadget[id], button);
6114     else if (letter == '.')
6115       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
6116     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
6117       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
6118     else
6119       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
6120         if (letter && letter == control_info[i].shortcut)
6121           if (!anyTextGadgetActive())
6122             ClickOnGadget(level_editor_gadget[i], button);
6123   }
6124 }
6125
6126 void HandleLevelEditorIdle()
6127 {
6128   static unsigned long action_delay = 0;
6129   unsigned long action_delay_value = GameFrameDelay;
6130   int xpos = 1, ypos = 2;
6131
6132   if (edit_mode != ED_MODE_PROPERTIES)
6133     return;
6134
6135   if (!DelayReached(&action_delay, action_delay_value))
6136     return;
6137
6138   DrawGraphicAnimationExt(drawto,
6139                           SX + xpos * TILEX,
6140                           SY + ypos * TILEY + MINI_TILEY / 2,
6141                           el2img(properties_element), -1, NO_MASKING);
6142
6143   MarkTileDirty(xpos, ypos);
6144   MarkTileDirty(xpos, ypos + 1);
6145
6146   FrameCounter++;       /* increase animation frame counter */
6147 }
6148
6149 void ClearEditorGadgetInfoText()
6150 {
6151   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
6152 }
6153
6154 void HandleEditorGadgetInfoText(void *ptr)
6155 {
6156   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
6157   char infotext[MAX_OUTPUT_LINESIZE + 1];
6158   char shortcut[MAX_OUTPUT_LINESIZE + 1];
6159   int max_infotext_len = getMaxInfoTextLength();
6160
6161   if (game_status != GAME_MODE_EDITOR)
6162     return;
6163
6164   ClearEditorGadgetInfoText();
6165
6166   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6167     return;
6168
6169   /* misuse this function to delete brush cursor, if needed */
6170   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
6171     DeleteBrushFromCursor();
6172
6173   if (gi == NULL || gi->info_text == NULL)
6174     return;
6175
6176   strncpy(infotext, gi->info_text, max_infotext_len);
6177   infotext[max_infotext_len] = '\0';
6178
6179   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
6180   {
6181     int key = control_info[gi->custom_id].shortcut;
6182
6183     if (key)
6184     {
6185       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
6186         sprintf(shortcut, " ('.' or '%c')", key);
6187       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
6188         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
6189       else                                              /* normal case */
6190         sprintf(shortcut, " ('%s%c')",
6191                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
6192
6193       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
6194         strcat(infotext, shortcut);
6195     }
6196   }
6197
6198   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
6199 }
6200
6201 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
6202 {
6203   static int start_lx, start_ly;
6204   char *infotext;
6205   int id = gi->custom_id;
6206   int sx = gi->event.x;
6207   int sy = gi->event.y;
6208   int lx = sx + level_xpos;
6209   int ly = sy + level_ypos;
6210   int min_sx = 0, min_sy = 0;
6211   int max_sx = gi->drawing.area_xsize - 1;
6212   int max_sy = gi->drawing.area_ysize - 1;
6213
6214   ClearEditorGadgetInfoText();
6215
6216   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6217     return;
6218
6219   /* make sure to stay inside drawing area boundaries */
6220   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
6221   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
6222
6223   if (id == GADGET_ID_DRAWING_LEVEL)
6224   {
6225     if (button_status)
6226     {
6227       int min_lx = 0, min_ly = 0;
6228       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
6229
6230       /* get positions inside level field */
6231       lx = sx + level_xpos;
6232       ly = sy + level_ypos;
6233
6234       /* make sure to stay inside level field boundaries */
6235       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
6236       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
6237
6238       /* correct drawing area positions accordingly */
6239       sx = lx - level_xpos;
6240       sy = ly - level_ypos;
6241     }
6242
6243     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
6244     {
6245       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
6246       {
6247         if (gi->event.type == GD_EVENT_PRESSED)
6248         {
6249           start_lx = lx;
6250           start_ly = ly;
6251         }
6252
6253         switch (drawing_function)
6254         {
6255           case GADGET_ID_SINGLE_ITEMS:
6256             infotext = "Drawing single items";
6257             break;
6258           case GADGET_ID_CONNECTED_ITEMS:
6259             infotext = "Drawing connected items";
6260             break;
6261           case GADGET_ID_LINE:
6262             infotext = "Drawing line";
6263             break;
6264           case GADGET_ID_ARC:
6265             infotext = "Drawing arc";
6266             break;
6267           case GADGET_ID_TEXT:
6268             infotext = "Setting text cursor";
6269             break;
6270           case GADGET_ID_RECTANGLE:
6271             infotext = "Drawing rectangle";
6272             break;
6273           case GADGET_ID_FILLED_BOX:
6274             infotext = "Drawing filled box";
6275             break;
6276           case GADGET_ID_FLOOD_FILL:
6277             infotext = "Flood fill";
6278             break;
6279           case GADGET_ID_GRAB_BRUSH:
6280             infotext = "Grabbing brush";
6281             break;
6282           case GADGET_ID_PICK_ELEMENT:
6283             infotext = "Picking element";
6284             break;
6285
6286           default:
6287             infotext = "Drawing position";
6288             break;
6289         }
6290
6291         if (drawing_function == GADGET_ID_PICK_ELEMENT)
6292           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6293                     "%s: %d, %d", infotext, lx, ly);
6294         else
6295           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6296                     "%s: %d, %d", infotext,
6297                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
6298       }
6299       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
6300         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6301                   "%s", getElementInfoText(Feld[lx][ly]));
6302       else
6303         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6304                   "Level position: %d, %d", lx, ly);
6305     }
6306
6307     /* misuse this function to draw brush cursor, if needed */
6308     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
6309     {
6310       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6311         CopyBrushToCursor(sx, sy);
6312       else
6313         DeleteBrushFromCursor();
6314     }
6315   }
6316   else if (drawing_function == GADGET_ID_PICK_ELEMENT)
6317   {
6318     if (id == GADGET_ID_AMOEBA_CONTENT)
6319       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6320                 "%s", getElementInfoText(level.amoeba_content));
6321     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6322       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6323                 "%s", getElementInfoText(custom_element.use_gfx_element));
6324     else if (id == GADGET_ID_CUSTOM_CONTENT)
6325       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6326                 "%s", getElementInfoText(custom_element.content[sx][sy]));
6327     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6328       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6329                 "%s", getElementInfoText(custom_element.change.successor));
6330     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6331       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6332                 "%s", getElementInfoText(custom_element.change.trigger));
6333     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6334       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6335                 "%s", getElementInfoText(random_placement_background_element));
6336     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6337              id <= GADGET_ID_ELEMENT_CONTENT_7)
6338     {
6339       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
6340
6341       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6342                 "%s", getElementInfoText(level.yamyam_content[i][sx][sy]));
6343     }
6344   }
6345   else
6346   {
6347     if (id == GADGET_ID_AMOEBA_CONTENT)
6348       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6349                 "Amoeba content");
6350     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6351       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6352                 "Custom graphic element");
6353     else if (id == GADGET_ID_CUSTOM_CONTENT)
6354       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6355                 "Custom element content position: %d, %d", sx, sy);
6356     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6357       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6358                 "New element after change");
6359     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6360       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6361                 "Other element triggering change");
6362     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6363       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6364                 "Random placement background");
6365     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6366              id <= GADGET_ID_ELEMENT_CONTENT_7)
6367       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6368                 "Content area %d position: %d, %d",
6369                 id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
6370   }
6371 }
6372
6373 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
6374 {
6375   if (!ask_if_level_has_changed ||
6376       !LevelChanged() ||
6377       Request("Level has changed! Exit without saving ?",
6378               REQ_ASK | REQ_STAY_OPEN))
6379   {
6380     CloseDoor(DOOR_CLOSE_1);
6381     /*
6382     CloseDoor(DOOR_CLOSE_ALL);
6383     */
6384     game_status = GAME_MODE_MAIN;
6385     DrawMainMenu();
6386   }
6387   else
6388   {
6389     CloseDoor(DOOR_CLOSE_1);
6390     BlitBitmap(bitmap_db_door, bitmap_db_door,
6391                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
6392                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
6393     OpenDoor(DOOR_OPEN_1);
6394   }
6395 }