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