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 "init.h"
  24 #include "tape.h"
  25
  26
  27 /*
  28   -----------------------------------------------------------------------------
  29   screen and artwork graphic pixel position definitions
  30   -----------------------------------------------------------------------------
  31 */
  32
  33 /* positions in the level editor */
  34 #define ED_WIN_MB_LEFT_XPOS             6
  35 #define ED_WIN_MB_LEFT_YPOS             258
  36 #define ED_WIN_MB_MIDDLE_XPOS           42
  37 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  38 #define ED_WIN_MB_RIGHT_XPOS            78
  39 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  40
  41 /* values for the control window */
  42 #define ED_CTRL_BUTTONS_GFX_YPOS        236
  43 #define ED_CTRL_BUTTONS_ALT_GFX_YPOS    142
  44
  45 #define ED_CTRL1_BUTTONS_HORIZ          4
  46 #define ED_CTRL1_BUTTONS_VERT           4
  47 #define ED_CTRL1_BUTTON_XSIZE           22
  48 #define ED_CTRL1_BUTTON_YSIZE           22
  49 #define ED_CTRL1_BUTTONS_XPOS           6
  50 #define ED_CTRL1_BUTTONS_YPOS           6
  51 #define ED_CTRL2_BUTTONS_HORIZ          3
  52 #define ED_CTRL2_BUTTONS_VERT           2
  53 #define ED_CTRL2_BUTTON_XSIZE           30
  54 #define ED_CTRL2_BUTTON_YSIZE           20
  55 #define ED_CTRL2_BUTTONS_XPOS           5
  56 #define ED_CTRL2_BUTTONS_YPOS           99
  57 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  58 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  59 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
  60
  61 /* values for the element list */
  62 #define ED_ELEMENTLIST_XPOS             5
  63 #define ED_ELEMENTLIST_YPOS             30
  64 #define ED_ELEMENTLIST_XSIZE            20
  65 #define ED_ELEMENTLIST_YSIZE            20
  66 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  67 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  68 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  69                                          ED_ELEMENTLIST_BUTTONS_VERT)
  70
  71 /* standard distances */
  72 #define ED_BORDER_SIZE                  3
  73 #define ED_BORDER_TEXT_XSIZE            5
  74 #define ED_BORDER_AREA_YSIZE            1
  75
  76 #define ED_GADGET_DISTANCE              2
  77 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
  78
  79 /* values for the setting windows */
  80 #define ED_SETTINGS_XSTART              (3 * MINI_TILEX / 2)
  81 #define ED_SETTINGS_YSTART              (MINI_TILEY * 10)
  82
  83 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE + \
  84                                          2 * ED_GADGET_DISTANCE)
  85
  86 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
  87 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
  88
  89 #define ED_SETTINGS_XPOS(n)             (ED_SETTINGS_XSTART + \
  90                                          n * ED_SETTINGS_XOFFSET)
  91 #define ED_SETTINGS_YPOS(n)             (ED_SETTINGS_YSTART + \
  92                                          n * ED_SETTINGS_YOFFSET)
  93
  94 #define ED_SETTINGS1_YPOS               MINI_TILEY
  95 #define ED_SETTINGS2_XPOS               MINI_TILEX
  96 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
  97
  98 /* values for counter gadgets */
  99 #define ED_COUNT_PUSH_DELAY_RND_XPOS    (ED_SETTINGS_XPOS(1) + 16 * MINI_TILEX)
 100 #define ED_COUNT_MOVE_DELAY_RND_XPOS    ED_COUNT_PUSH_DELAY_RND_XPOS
 101 #define ED_COUNT_CHANGE_DELAY_RND_XPOS  (ED_SETTINGS_XPOS(1) + 13 * MINI_TILEX)
 102
 103 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 104 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 105 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
 106                                          n * ED_COUNTER_YDISTANCE)
 107 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 108                                          n * ED_COUNTER_YDISTANCE - 2)
 109
 110 /* values for element content drawing areas */
 111 /* amoeba content */
 112 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 113 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 114
 115 /* yamyam content */
 116 #define ED_AREA_YAMYAM_CONTENT_XPOS(n)  (ED_AREA_ELEM_CONTENT_XPOS + \
 117                                          5 * (n % 4) * MINI_TILEX)
 118 #define ED_AREA_YAMYAM_CONTENT_YPOS(n)  (ED_AREA_ELEM_CONTENT_YPOS + \
 119                                          6 * (n / 4) * MINI_TILEY)
 120
 121 /* custom change target */
 122 #define ED_AREA_ELEM_CONTENT2_XPOS      (20 * MINI_TILEX)
 123 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(2) + \
 124                                          ED_GADGET_DISTANCE)
 125 /* optional custom graphic */
 126 #define ED_AREA_ELEM_CONTENT3_XPOS      (24 * MINI_TILEX)
 127 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(1) + \
 128                                          ED_GADGET_DISTANCE)
 129 /* custom element content */
 130 #define ED_AREA_ELEM_CONTENT4_XPOS      (29 * MINI_TILEX)
 131 #define ED_AREA_ELEM_CONTENT4_YPOS      (ED_SETTINGS_YPOS(12) + \
 132                                          ED_GADGET_DISTANCE - MINI_TILEY)
 133 /* custom change trigger element */
 134 #define ED_AREA_ELEM_CONTENT5_XPOS      (28 * MINI_TILEX)
 135 #define ED_AREA_ELEM_CONTENT5_YPOS      (ED_SETTINGS_YPOS(7) + \
 136                                          ED_GADGET_DISTANCE)
 137 /* extended custom change target */
 138 #define ED_AREA_ELEM_CONTENT6_XPOS      (29 * MINI_TILEX)
 139 #define ED_AREA_ELEM_CONTENT6_YPOS      (ED_SETTINGS_YPOS(10) + \
 140                                          ED_GADGET_DISTANCE - MINI_TILEY)
 141
 142 /* values for random placement background drawing area */
 143 #define ED_AREA_RANDOM_BACKGROUND_XPOS  (29 * MINI_TILEX)
 144 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 145
 146 /* values for scrolling gadgets for drawing area */
 147 #define ED_SCROLLBUTTON_XPOS            24
 148 #define ED_SCROLLBUTTON_YPOS            0
 149 #define ED_SCROLLBAR_XPOS               24
 150 #define ED_SCROLLBAR_YPOS               64
 151
 152 #define ED_SCROLLBUTTON_XSIZE           16
 153 #define ED_SCROLLBUTTON_YSIZE           16
 154
 155 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 156 #define ED_SCROLL_UP_YPOS               (0)
 157 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 158 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 159 #define ED_SCROLL_LEFT_XPOS             (0)
 160 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 161 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 162 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 163 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 164 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 165 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 166 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 167 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 168 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 169 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 170 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 171
 172 /* values for scrolling gadgets for element list */
 173 #define ED_SCROLLBUTTON2_XPOS           50
 174 #define ED_SCROLLBUTTON2_YPOS           0
 175 #define ED_SCROLLBAR2_XPOS              50
 176 #define ED_SCROLLBAR2_YPOS              20
 177
 178 #define ED_SCROLLBUTTON2_XSIZE          10
 179 #define ED_SCROLLBUTTON2_YSIZE          10
 180
 181 #define ED_SCROLL2_UP_XPOS              85
 182 #define ED_SCROLL2_UP_YPOS              30
 183 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 184 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 185                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 186                                          ED_ELEMENTLIST_YSIZE - \
 187                                          ED_SCROLLBUTTON2_YSIZE)
 188 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 189 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 190                                          ED_SCROLLBUTTON2_YSIZE)
 191 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 192 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 193                                          ED_ELEMENTLIST_YSIZE - \
 194                                          2 * ED_SCROLLBUTTON2_YSIZE)
 195
 196 /* values for checkbutton gadgets */
 197 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 198 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 199 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 200 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 201 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 202 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 203 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 204
 205 /* some positions in the editor control window */
 206 #define ED_BUTTON_ELEM_XPOS             6
 207 #define ED_BUTTON_ELEM_YPOS             30
 208 #define ED_BUTTON_ELEM_XSIZE            22
 209 #define ED_BUTTON_ELEM_YSIZE            22
 210
 211 /* some values for text input, selectbox and counter gadgets */
 212 #define ED_BUTTON_COUNT_YPOS            60
 213 #define ED_BUTTON_COUNT_XSIZE           20
 214 #define ED_BUTTON_COUNT_YSIZE           20
 215 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 216 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 217 #define ED_WIN_COUNT_XSIZE              52
 218 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 219 #define ED_WIN_COUNT2_XPOS              27
 220 #define ED_WIN_COUNT2_YPOS              3
 221 #define ED_WIN_COUNT2_XSIZE             46
 222 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 223
 224 #define ED_BUTTON_MINUS_XPOS            2
 225 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 226 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 227 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 228 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 229                                          ED_WIN_COUNT_XSIZE + 2)
 230 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 231 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 232 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 233
 234 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 235 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 236                                          2 + ED_WIN_COUNT_YSIZE)
 237 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 238 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 239
 240 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 241 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 242                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 243 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 244
 245 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 246 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS + \
 247                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 248 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS + \
 249                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 250
 251 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 252 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 253
 254 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 255 #define INFOTEXT_XPOS                   SX
 256 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 257 #define INFOTEXT_XSIZE                  SXSIZE
 258 #define INFOTEXT_YSIZE                  MINI_TILEX
 259
 260
 261 /*
 262   -----------------------------------------------------------------------------
 263   editor gadget definitions
 264   -----------------------------------------------------------------------------
 265 */
 266
 267 /* drawing toolbox buttons */
 268 #define GADGET_ID_NONE                  -1
 269 #define GADGET_ID_TOOLBOX_FIRST         0
 270
 271 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 272 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 273 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 274 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 275 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 276 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 277 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 278 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 279 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 280 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 281 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 282 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 283 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 284 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 285 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 286 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 287 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 288 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 289 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 290 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 291 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 292 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 293
 294 /* counter button identifiers */
 295 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 296
 297 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 298 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 299 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 300 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 301 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 302 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 303 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 304 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 305 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 306 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 307 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 308 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 309 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 310 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 311 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 312 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 313 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 314 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 315 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 316 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 317 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 318 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 319 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 320 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 321 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 322 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 323 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 324 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 27)
 325 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 28)
 326 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 29)
 327 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 30)
 328 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 31)
 329 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 32)
 330 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 331 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 332 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 35)
 333 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 334 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 335 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 38)
 336 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 337 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 338 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 41)
 339 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 42)
 340 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 43)
 341 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 44)
 342 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 45)
 343 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 46)
 344 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 47)
 345 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 48)
 346 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 49)
 347 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 50)
 348 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 51)
 349 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 52)
 350 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 53)
 351
 352 /* drawing area identifiers */
 353 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 54)
 354
 355 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 356 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 357 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 358 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 359 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 360 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 361 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 362 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 363 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 364 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 365 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 366 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 367 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 368 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 13)
 369 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 14)
 370 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 15)
 371
 372 /* text input identifiers */
 373 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 16)
 374
 375 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 376 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 377 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 378
 379 /* selectbox identifiers */
 380 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 381
 382 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 0)
 383 #define GADGET_ID_CUSTOM_CONSISTENCY    (GADGET_ID_SELECTBOX_FIRST + 1)
 384 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 2)
 385 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 3)
 386 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 4)
 387 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 5)
 388 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 6)
 389 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 7)
 390 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 8)
 391 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 9)
 392 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 10)
 393 #define GADGET_ID_CHANGE_PLAYER_ACTION  (GADGET_ID_SELECTBOX_FIRST + 11)
 394 #define GADGET_ID_CHANGE_COLLIDE_ACTION (GADGET_ID_SELECTBOX_FIRST + 12)
 395 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 13)
 396 #define GADGET_ID_CHANGE_POWER          (GADGET_ID_SELECTBOX_FIRST + 14)
 397
 398 /* textbutton identifiers */
 399 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 15)
 400
 401 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 402 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 403 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 404 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 3)
 405
 406 /* gadgets for scrolling of drawing area */
 407 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_TEXTBUTTON_FIRST + 4)
 408
 409 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 410 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 411 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 412 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 413 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 414 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 415
 416 /* gadgets for scrolling element list */
 417 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 418
 419 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 420 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 421 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 422
 423 /* checkbuttons for level/element properties */
 424 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 425
 426 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 427 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 428 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 429 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 430 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 431 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 432 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 433 #define GADGET_ID_CUSTOM_EXPLODE_RESULT (GADGET_ID_CHECKBUTTON_FIRST + 7)
 434 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 435 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 9)
 436 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 10)
 437 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 11)
 438 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 12)
 439 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 13)
 440 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 441 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 442 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 16)
 443 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 17)
 444 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 445 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 446 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 447 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 21)
 448 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 22)
 449 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 450 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 24)
 451 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 25)
 452 #define GADGET_ID_CHANGE_BY_PLAYER      (GADGET_ID_CHECKBUTTON_FIRST + 26)
 453 #define GADGET_ID_CHANGE_BY_COLLISION   (GADGET_ID_CHECKBUTTON_FIRST + 27)
 454 #define GADGET_ID_CHANGE_BY_OTHER       (GADGET_ID_CHECKBUTTON_FIRST + 28)
 455
 456 /* gadgets for buttons in element list */
 457 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 29)
 458 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 459                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 460
 461 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 462
 463 /* radio button numbers */
 464 #define RADIO_NR_NONE                   0
 465 #define RADIO_NR_DRAWING_TOOLBOX        1
 466 #define RADIO_NR_RANDOM_ELEMENTS        2
 467
 468 /* values for counter gadgets */
 469 #define ED_COUNTER_ID_SELECT_LEVEL      0
 470 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 471 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 472 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 473 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 474 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 475 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 476 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 477 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 478 #define ED_COUNTER_ID_CUSTOM_SCORE      9
 479 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   10
 480 #define ED_COUNTER_ID_PUSH_DELAY_FIX    11
 481 #define ED_COUNTER_ID_PUSH_DELAY_RND    12
 482 #define ED_COUNTER_ID_MOVE_DELAY_FIX    13
 483 #define ED_COUNTER_ID_MOVE_DELAY_RND    14
 484 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  15
 485 #define ED_COUNTER_ID_CHANGE_DELAY_RND  16
 486 #define ED_COUNTER_ID_CHANGE_CONT_RND   17
 487
 488 #define ED_NUM_COUNTERBUTTONS           18
 489
 490 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 491 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 492
 493 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM_SCORE
 494 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_MOVE_DELAY_RND
 495
 496 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 497 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 498
 499 /* values for scrollbutton gadgets */
 500 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 501 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 502 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 503 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 504 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 505 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 506
 507 #define ED_NUM_SCROLLBUTTONS            6
 508
 509 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 510 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 511
 512 /* values for scrollbar gadgets */
 513 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 514 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 515 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 516
 517 #define ED_NUM_SCROLLBARS               3
 518
 519 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 520 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 521
 522 /* values for text input gadgets */
 523 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 524 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 525 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 526
 527 #define ED_NUM_TEXTINPUT                3
 528
 529 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 530 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 531
 532 /* values for selectbox gadgets */
 533 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      0
 534 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     1
 535 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   2
 536 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     3
 537 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   4
 538 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    5
 539 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    6
 540 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    7
 541 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       8
 542 #define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY      9
 543 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       10
 544 #define ED_SELECTBOX_ID_CHANGE_PLAYER_ACTION    11
 545 #define ED_SELECTBOX_ID_CHANGE_COLLIDE_ACTION   12
 546 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     13
 547 #define ED_SELECTBOX_ID_CHANGE_POWER            14
 548
 549 #define ED_NUM_SELECTBOX                        15
 550
 551 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 552 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_CONSISTENCY
 553
 554 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 555 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_CHANGE_POWER
 556
 557 /* values for textbutton gadgets */
 558 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 559 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 560 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 561 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       3
 562
 563 #define ED_NUM_TEXTBUTTON                       4
 564
 565 /* values for checkbutton gadgets */
 566 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 567 #define ED_CHECKBUTTON_ID_GRAVITY               1
 568 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 569 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 570 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 571 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     5
 572 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 6
 573 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       7
 574 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       8
 575 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      9
 576 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       10
 577 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         11
 578 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT 12
 579 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   13
 580 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  14
 581 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 15
 582 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    16
 583 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     17
 584 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          18
 585 #define ED_CHECKBUTTON_ID_CHANGE_BY_PLAYER      19
 586 #define ED_CHECKBUTTON_ID_CHANGE_BY_COLLISION   20
 587 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER       21
 588 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  22
 589 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    23
 590 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  24
 591 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     25
 592 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   26
 593
 594 #define ED_NUM_CHECKBUTTONS                     27
 595
 596 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 597 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 598
 599 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE
 600 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 601
 602 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 603 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE
 604
 605 /* values for radiobutton gadgets */
 606 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 607 #define ED_RADIOBUTTON_ID_QUANTITY      1
 608
 609 #define ED_NUM_RADIOBUTTONS             2
 610
 611 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 612 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 613
 614 /* values for drawing area gadgets */
 615 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 616 #define ED_DRAWING_ID_ELEMENT_CONTENT_0         1
 617 #define ED_DRAWING_ID_ELEMENT_CONTENT_1         2
 618 #define ED_DRAWING_ID_ELEMENT_CONTENT_2         3
 619 #define ED_DRAWING_ID_ELEMENT_CONTENT_3         4
 620 #define ED_DRAWING_ID_ELEMENT_CONTENT_4         5
 621 #define ED_DRAWING_ID_ELEMENT_CONTENT_5         6
 622 #define ED_DRAWING_ID_ELEMENT_CONTENT_6         7
 623 #define ED_DRAWING_ID_ELEMENT_CONTENT_7         8
 624 #define ED_DRAWING_ID_AMOEBA_CONTENT            9
 625 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            10
 626 #define ED_DRAWING_ID_CUSTOM_CONTENT            11
 627 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      12
 628 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     13
 629 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     14
 630 #define ED_DRAWING_ID_RANDOM_BACKGROUND         15
 631
 632 #define ED_NUM_DRAWING_AREAS                    16
 633
 634
 635 /*
 636   -----------------------------------------------------------------------------
 637   some internally used definitions
 638   -----------------------------------------------------------------------------
 639 */
 640
 641 /* values for CopyLevelToUndoBuffer() */
 642 #define UNDO_IMMEDIATE                  0
 643 #define UNDO_ACCUMULATE                 1
 644
 645 /* values for scrollbars */
 646 #define ED_SCROLL_NO                    0
 647 #define ED_SCROLL_LEFT                  1
 648 #define ED_SCROLL_RIGHT                 2
 649 #define ED_SCROLL_UP                    4
 650 #define ED_SCROLL_DOWN                  8
 651
 652 /* screens in the level editor */
 653 #define ED_MODE_DRAWING                 0
 654 #define ED_MODE_INFO                    1
 655 #define ED_MODE_PROPERTIES              2
 656
 657 /* sub-screens in the element properties section */
 658 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 659 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 660 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 661
 662 /* how many steps can be cancelled */
 663 #define NUM_UNDO_STEPS                  (10 + 1)
 664
 665 /* values for elements with score */
 666 #define MIN_SCORE                       0
 667 #define MAX_SCORE                       255
 668
 669 /* values for elements with gem count */
 670 #define MIN_GEM_COUNT                   0
 671 #define MAX_GEM_COUNT                   100
 672
 673 /* values for random placement */
 674 #define RANDOM_USE_PERCENTAGE           0
 675 #define RANDOM_USE_QUANTITY             1
 676
 677 /* maximal size of level editor drawing area */
 678 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 679 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 680
 681
 682 /*
 683   -----------------------------------------------------------------------------
 684   some internally used data structure definitions
 685   -----------------------------------------------------------------------------
 686 */
 687
 688 static struct
 689 {
 690   char shortcut;
 691   char *text;
 692 } control_info[ED_NUM_CTRL_BUTTONS] =
 693 {
 694   { 's',        "draw single items"             },
 695   { 'd',        "draw connected items"          },
 696   { 'l',        "draw lines"                    },
 697   { 'a',        "draw arcs"                     },
 698   { 'r',        "draw outline rectangles"       },
 699   { 'R',        "draw filled rectangles"        },
 700   { '\0',       "wrap (rotate) level up"        },
 701   { 't',        "enter text elements"           },
 702   { 'f',        "flood fill"                    },
 703   { '\0',       "wrap (rotate) level left"      },
 704   { '?',        "properties of drawing element" },
 705   { '\0',       "wrap (rotate) level right"     },
 706   { '\0',       "random element placement"      },
 707   { 'b',        "grab brush"                    },
 708   { '\0',       "wrap (rotate) level down"      },
 709   { ',',        "pick drawing element"          },
 710   { 'U',        "undo last operation"           },
 711   { 'I',        "level properties"              },
 712   { 'S',        "save level"                    },
 713   { 'C',        "clear level"                   },
 714   { 'T',        "test level"                    },
 715   { 'E',        "exit level editor"             }
 716 };
 717
 718 static int random_placement_value = 10;
 719 static int random_placement_method = RANDOM_USE_QUANTITY;
 720 static int random_placement_background_element = EL_SAND;
 721 static boolean random_placement_background_restricted = FALSE;
 722 static boolean stick_element_properties_window = FALSE;
 723 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 724 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 725 static struct ElementInfo custom_element;
 726
 727 static struct
 728 {
 729   int x, y;
 730   int min_value, max_value;
 731   int gadget_id_down, gadget_id_up;
 732   int gadget_id_text;
 733   int gadget_id_align;
 734   int *value;
 735   char *text_above, *text_left, *text_right;
 736 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 737 {
 738   /* ---------- level and editor settings ---------------------------------- */
 739
 740   {
 741     DX + 5 - SX,                        DY + 3 - SY,
 742     1,                                  100,
 743     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 744     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
 745     &level_nr,
 746     NULL,                               NULL, NULL
 747   },
 748   {
 749     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 750     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 751     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 752     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
 753     &level.fieldx,
 754     "playfield size:",                  NULL, "width",
 755   },
 756   {
 757     ED_SETTINGS_XPOS(0) + 2 * DXSIZE,   ED_COUNTER_YPOS(2),
 758     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 759     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 760     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
 761     &level.fieldy,
 762     NULL,                               " ", "height",
 763   },
 764   {
 765     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 766     0,                                  999,
 767     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
 768     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
 769     &level.gems_needed,
 770     "number of emeralds to collect:",   NULL, NULL
 771   },
 772   {
 773     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 774     0,                                  999,
 775     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 776     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
 777     &level.time,
 778     "time available to solve level:",   NULL, "(0 => no time limit)"
 779   },
 780   {
 781     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 782     0,                                  255,
 783     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 784     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
 785     &level.score[SC_TIME_BONUS],
 786     "score for each 10 seconds left:",  NULL, NULL
 787   },
 788   {
 789     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 790     1,                                  100,
 791     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 792     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
 793     &random_placement_value,
 794     "random element placement:",        NULL, "in"
 795   },
 796
 797   /* ---------- element settings: configure (various elements) ------------- */
 798
 799   {
 800     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 801     MIN_SCORE,                          MAX_SCORE,
 802     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 803     GADGET_ID_ELEMENT_SCORE_TEXT,       GADGET_ID_NONE,
 804     NULL,                               /* will be set when used */
 805     NULL,                               NULL, NULL
 806   },
 807   {
 808     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 809     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 810     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 811     GADGET_ID_ELEMENT_CONTENT_TEXT,     GADGET_ID_NONE,
 812     &level.num_yamyam_contents,
 813     NULL,                               NULL, "number of content areas"
 814   },
 815
 816   /* ---------- element settings: configure (custom elements) ------------- */
 817
 818   {
 819     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
 820     MIN_SCORE,                          MAX_SCORE,
 821     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
 822     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
 823     &custom_element.score,
 824     NULL,                               "collect score", NULL
 825   },
 826   {
 827     ED_SETTINGS_XPOS(13) + 10,          ED_SETTINGS_YPOS(3),
 828     MIN_GEM_COUNT,                      MAX_GEM_COUNT,
 829     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
 830     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
 831     &custom_element.gem_count,
 832     NULL,                               "gems", NULL
 833   },
 834   {
 835     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 836     0,                                  999,
 837     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
 838     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 839     &custom_element.push_delay_fixed,
 840     NULL,                               "push delay", NULL
 841   },
 842   {
 843     ED_COUNT_PUSH_DELAY_RND_XPOS,       ED_SETTINGS_YPOS(4),
 844     0,                                  999,
 845     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
 846     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
 847     &custom_element.push_delay_random,
 848     NULL,                               "+random", NULL
 849   },
 850   {
 851     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
 852     0,                                  999,
 853     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
 854     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
 855     &custom_element.move_delay_fixed,
 856     NULL,                               "move delay", NULL
 857   },
 858   {
 859     ED_COUNT_MOVE_DELAY_RND_XPOS,       ED_SETTINGS_YPOS(7),
 860     0,                                  999,
 861     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
 862     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
 863     &custom_element.move_delay_random,
 864     NULL,                               "+random", NULL
 865   },
 866
 867   /* ---------- element settings: advanced (custom elements) --------------- */
 868
 869   {
 870     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(3),
 871     0,                                  999,
 872     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 873     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
 874     &custom_element.change.delay_fixed,
 875     NULL,                               "delay", NULL,
 876   },
 877   {
 878     ED_COUNT_CHANGE_DELAY_RND_XPOS+20,  ED_SETTINGS_YPOS(3),
 879     0,                                  999,
 880     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 881     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 882     &custom_element.change.delay_random,
 883     NULL,                               "+random", NULL
 884   },
 885   {
 886     ED_SETTINGS_XPOS(3),                ED_SETTINGS_YPOS(12),
 887     0,                                  100,
 888     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
 889     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
 890     &custom_element.change.random,
 891     NULL,                               "use random change:", "(%)"
 892   },
 893 };
 894
 895 static struct
 896 {
 897   int x, y;
 898   int gadget_id;
 899   int size;
 900   char *value;
 901   char *infotext;
 902 } textinput_info[ED_NUM_TEXTINPUT] =
 903 {
 904   {
 905     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
 906     GADGET_ID_LEVEL_NAME,
 907     MAX_LEVEL_NAME_LEN,
 908     level.name,
 909     "Title"
 910   },
 911   {
 912     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 913     GADGET_ID_LEVEL_AUTHOR,
 914     MAX_LEVEL_AUTHOR_LEN,
 915     level.author,
 916     "Author"
 917   },
 918   {
 919     5 * MINI_TILEX,                     5 * MINI_TILEY - ED_BORDER_SIZE,
 920     GADGET_ID_ELEMENT_NAME,
 921     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
 922     custom_element.description,
 923     NULL
 924   }
 925 };
 926
 927 static struct ValueTextInfo options_access_type[] =
 928 {
 929   { EP_WALKABLE,                "walk"                          },
 930   { EP_PASSABLE,                "pass"                          },
 931   { -1,                         NULL                            }
 932 };
 933
 934 static struct ValueTextInfo options_access_layer[] =
 935 {
 936   { EP_ACCESSIBLE_OVER,         "over"                          },
 937   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
 938   { EP_ACCESSIBLE_UNDER,        "under"                         },
 939   { -1,                         NULL                            }
 940 };
 941
 942 static struct ValueTextInfo options_walk_to_action[] =
 943 {
 944   { EP_DIGGABLE,                "diggable"                      },
 945   { EP_COLLECTIBLE,             "collectible"                   },
 946   { EP_PUSHABLE,                "pushable"                      },
 947   { -1,                         NULL                            }
 948 };
 949
 950 static struct ValueTextInfo options_move_pattern[] =
 951 {
 952   { MV_LEFT,                    "left"                          },
 953   { MV_RIGHT,                   "right"                         },
 954   { MV_UP,                      "up"                            },
 955   { MV_DOWN,                    "down"                          },
 956   { MV_HORIZONTAL,              "horizontal"                    },
 957   { MV_VERTICAL,                "vertical"                      },
 958   { MV_ALL_DIRECTIONS,          "all directions"                },
 959   { MV_TOWARDS_PLAYER,          "towards player"                },
 960   { MV_AWAY_FROM_PLAYER,        "away from player"              },
 961   { MV_ALONG_LEFT_SIDE,         "along left side"               },
 962   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
 963   { MV_TURNING_LEFT,            "turning left"                  },
 964   { MV_TURNING_RIGHT,           "turning right"                 },
 965   { -1,                         NULL                            }
 966 };
 967
 968 static struct ValueTextInfo options_move_direction[] =
 969 {
 970   { MV_NO_MOVING,               "automatic"                     },
 971   { MV_LEFT,                    "left"                          },
 972   { MV_RIGHT,                   "right"                         },
 973   { MV_UP,                      "up"                            },
 974   { MV_DOWN,                    "down"                          },
 975   { -1,                         NULL                            }
 976 };
 977
 978 static struct ValueTextInfo options_move_stepsize[] =
 979 {
 980   { 1,                          "very slow"                     },
 981   { 2,                          "slow"                          },
 982   { 4,                          "normal"                        },
 983   { 8,                          "fast"                          },
 984   { 16,                         "very fast"                     },
 985   { -1,                         NULL                            }
 986 };
 987
 988 static struct ValueTextInfo options_smash_targets[] =
 989 {
 990   { EP_CAN_SMASH_PLAYER,        "player"                        },
 991 #if 0
 992   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
 993 #endif
 994   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
 995   { -1,                         NULL                            }
 996 };
 997
 998 static struct ValueTextInfo options_slippery_type[] =
 999 {
1000   { SLIPPERY_ANY_RANDOM,        "random"                        },
1001   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1002   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1003   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1004   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1005   { -1,                         NULL                            }
1006 };
1007
1008 static struct ValueTextInfo options_deadliness[] =
1009 {
1010   { EP_DONT_RUN_INTO,           "running into"                  },
1011   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1012   { EP_DONT_TOUCH,              "touching"                      },
1013   { -1,                         NULL                            }
1014 };
1015
1016 static struct ValueTextInfo options_consistency[] =
1017 {
1018   { EP_CAN_EXPLODE,             "can explode"                   },
1019   { EP_INDESTRUCTIBLE,          "indestructible"                },
1020   { -1,                         NULL                            }
1021 };
1022
1023 static struct ValueTextInfo options_time_units[] =
1024 {
1025   { 50,                         "seconds"                       },
1026   { 1,                          "frames"                        },
1027   { -1,                         NULL                            }
1028 };
1029
1030 static struct ValueTextInfo options_change_player_action[] =
1031 {
1032   { CE_TOUCHED_BY_PLAYER,       "touched"                       },
1033   { CE_PRESSED_BY_PLAYER,       "pressed"                       },
1034   { CE_PUSHED_BY_PLAYER,        "pushed"                        },
1035   { -1,                         NULL                            }
1036 };
1037
1038 static struct ValueTextInfo options_change_collide_action[] =
1039 {
1040   { CE_COLLISION,               "on collision"                  },
1041   { CE_IMPACT,                  "on impact"                     },
1042   { CE_SMASHED,                 "when smashed"                  },
1043   { -1,                         NULL                            }
1044 };
1045
1046 static struct ValueTextInfo options_change_other_action[] =
1047 {
1048   { CE_OTHER_IS_TOUCHING,               "touching"                      },
1049   { CE_OTHER_IS_CHANGING,               "change of"                     },
1050   { CE_OTHER_IS_EXPLODING,              "explosion of"                  },
1051   { CE_OTHER_GETS_TOUCHED,              "player touches"                },
1052   { CE_OTHER_GETS_PRESSED,              "player presses"                },
1053   { CE_OTHER_GETS_PUSHED,               "player pushes"                 },
1054   { CE_OTHER_GETS_COLLECTED,            "player collects"               },
1055   { -1,                         NULL                                    }
1056 };
1057
1058 static struct ValueTextInfo options_change_power[] =
1059 {
1060   { CP_NON_DESTRUCTIVE,         "non-destructive"               },
1061   { CP_HALF_DESTRUCTIVE,        "half-destructive"              },
1062   { CP_FULL_DESTRUCTIVE,        "full-destructive"              },
1063   { -1,                         NULL                            }
1064 };
1065
1066 static struct
1067 {
1068   int x, y;
1069   int gadget_id;
1070   int gadget_id_align;
1071   int size;     /* char size of selectbox or '-1' (dynamically determined) */
1072   struct ValueTextInfo *options;
1073   int *value;
1074   char *text_left, *text_right, *infotext;
1075 } selectbox_info[ED_NUM_SELECTBOX] =
1076 {
1077   /* ---------- element settings: configure (custom elements) ------------- */
1078
1079   {
1080     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(1),
1081     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
1082     -1,
1083     options_access_type,
1084     &custom_element.access_type,
1085     "player can", NULL, "type of access to this field"
1086   },
1087   {
1088     ED_SETTINGS_XPOS(11),               ED_SETTINGS_YPOS(1),
1089     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
1090     -1,
1091     options_access_layer,
1092     &custom_element.access_layer,
1093     NULL, NULL, "layer of access for this field"
1094   },
1095   {
1096     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
1097     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
1098     -1,
1099     options_walk_to_action,
1100     &custom_element.walk_to_action,
1101     NULL, NULL, "diggable/collectible/pushable"
1102   },
1103   {
1104     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1105     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
1106     -1,
1107     options_move_pattern,
1108     &custom_element.move_pattern,
1109     "can move", NULL, "element move direction"
1110   },
1111   {
1112     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1113     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
1114     -1,
1115     options_move_direction,
1116     &custom_element.move_direction_initial,
1117     "starts moving", NULL, "initial element move direction"
1118   },
1119   {
1120     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1121     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
1122     -1,
1123     options_move_stepsize,
1124     &custom_element.move_stepsize,
1125     "move/fall speed", NULL, "speed of element movement"
1126   },
1127   {
1128     ED_SETTINGS_XPOS(7),                ED_SETTINGS_YPOS(9),
1129     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
1130     -1,
1131     options_smash_targets,
1132     &custom_element.smash_targets,
1133     "can smash", NULL, "elements that can be smashed"
1134   },
1135   {
1136     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(10),
1137     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
1138     -1,
1139     options_slippery_type,
1140     &custom_element.slippery_type,
1141     "slippery", NULL, "where other elements fall down"
1142   },
1143   {
1144     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(11),
1145     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
1146     -1,
1147     options_deadliness,
1148     &custom_element.deadliness,
1149     "deadly when", NULL, "deadliness of element"
1150   },
1151   {
1152     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(12),
1153     GADGET_ID_CUSTOM_CONSISTENCY,       GADGET_ID_NONE,
1154     -1,
1155     options_consistency,
1156     &custom_element.consistency,
1157     NULL, "explodes to:", "consistency/destructibility"
1158   },
1159
1160   /* ---------- element settings: advanced (custom elements) --------------- */
1161
1162   {
1163     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
1164     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
1165     -1,
1166     options_time_units,
1167     &custom_element.change.delay_frames,
1168     "delay time given in", NULL, "delay time units for change"
1169   },
1170   {
1171     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(5),
1172     GADGET_ID_CHANGE_PLAYER_ACTION,     GADGET_ID_NONE,
1173     -1,
1174     options_change_player_action,
1175     &custom_element.change_player_action,
1176     NULL, "by player", "type of player contact"
1177   },
1178   {
1179     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(6),
1180     GADGET_ID_CHANGE_COLLIDE_ACTION,    GADGET_ID_NONE,
1181     -1,
1182     options_change_collide_action,
1183     &custom_element.change_collide_action,
1184     NULL, NULL, "change after impact or smash"
1185   },
1186   {
1187     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(7),
1188     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
1189     -1,
1190     options_change_other_action,
1191     &custom_element.change_other_action,
1192     NULL, "element:", "type of other element action"
1193   },
1194   {
1195     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(10),
1196     GADGET_ID_CHANGE_POWER,             GADGET_ID_NONE,
1197     -1,
1198     options_change_power,
1199     &custom_element.change.power,
1200     "power:", NULL, "power of extended change"
1201   },
1202 };
1203
1204 static struct
1205 {
1206   int x, y;
1207   int gadget_id;
1208   int gadget_id_align;
1209   int size;
1210   char *text, *infotext;
1211 } textbutton_info[ED_NUM_TEXTBUTTON] =
1212 {
1213   {
1214     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
1215     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
1216     11, "Information",                  "Show information about element"
1217   },
1218   {
1219     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
1220     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
1221     11, "Configure",                    "Configure element properties"
1222   },
1223   {
1224     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
1225     GADGET_ID_PROPERTIES_ADVANCED,      GADGET_ID_NONE,
1226     11, "Advanced",                     "Advanced element configuration"
1227   },
1228   {
1229     ED_SETTINGS_XPOS(0) + 262,          ED_SETTINGS_YPOS(13),
1230     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
1231     -1, "Save as template",             "Save current settings as new template"
1232   },
1233 };
1234
1235 static struct
1236 {
1237   int gd_x, gd_y;
1238   int x, y;
1239   int gadget_id;
1240   char *infotext;
1241 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
1242 {
1243   {
1244     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
1245     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
1246     GADGET_ID_SCROLL_UP,
1247     "scroll level editing area up"
1248   },
1249   {
1250     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
1251     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
1252     GADGET_ID_SCROLL_DOWN,
1253     "scroll level editing area down"
1254   },
1255   {
1256     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
1257     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
1258     GADGET_ID_SCROLL_LEFT,
1259     "scroll level editing area left"
1260   },
1261   {
1262     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1263     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1264     GADGET_ID_SCROLL_RIGHT,
1265     "scroll level editing area right"
1266   },
1267   {
1268     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1269     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1270     GADGET_ID_SCROLL_LIST_UP,
1271     "scroll element list up ('Page Up')"
1272   },
1273   {
1274     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1275     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
1276     GADGET_ID_SCROLL_LIST_DOWN,
1277     "scroll element list down ('Page Down')"
1278   }
1279 };
1280
1281 static struct
1282 {
1283   int gd_x, gd_y;
1284   int x, y;
1285   int width, height;
1286   int type;
1287   int gadget_id;
1288   char *infotext;
1289 } scrollbar_info[ED_NUM_SCROLLBARS] =
1290 {
1291   {
1292     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1293     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1294     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1295     GD_TYPE_SCROLLBAR_HORIZONTAL,
1296     GADGET_ID_SCROLL_HORIZONTAL,
1297     "scroll level editing area horizontally"
1298   },
1299   {
1300     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1301     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1302     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1303     GD_TYPE_SCROLLBAR_VERTICAL,
1304     GADGET_ID_SCROLL_VERTICAL,
1305     "scroll level editing area vertically"
1306   },
1307   {
1308     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1309     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1310     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1311     GD_TYPE_SCROLLBAR_VERTICAL,
1312     GADGET_ID_SCROLL_LIST_VERTICAL,
1313     "scroll element list vertically"
1314   }
1315 };
1316
1317 static struct
1318 {
1319   int x, y;
1320   int gadget_id;
1321   int gadget_id_align;
1322   int radio_button_nr;
1323   int *value;
1324   int checked_value;
1325   char *text_left, *text_right, *infotext;
1326 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1327 {
1328   {
1329     ED_SETTINGS_XPOS(0) + 160,          ED_COUNTER2_YPOS(8),
1330     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
1331     RADIO_NR_RANDOM_ELEMENTS,
1332     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1333     " ", "percentage",                  "use percentage for random elements"
1334   },
1335   {
1336     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER2_YPOS(8),
1337     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
1338     RADIO_NR_RANDOM_ELEMENTS,
1339     &random_placement_method,           RANDOM_USE_QUANTITY,
1340     " ", "quantity",                    "use quantity for random elements"
1341   }
1342 };
1343
1344 static struct
1345 {
1346   int x, y;
1347   int gadget_id;
1348   int gadget_id_align;
1349   boolean *value;
1350   char *text_left, *text_right, *infotext;
1351 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1352 {
1353   /* ---------- level and editor settings ---------------------------------- */
1354
1355   {
1356     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1357     GADGET_ID_DOUBLE_SPEED,             GADGET_ID_NONE,
1358     &level.double_speed,
1359     NULL, "double speed movement",      "set movement speed of player"
1360   },
1361   {
1362     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER_YPOS(6) - MINI_TILEY,
1363     GADGET_ID_GRAVITY,                  GADGET_ID_DOUBLE_SPEED,
1364     &level.gravity,
1365     " ", "gravity",                     "set level gravity"
1366   },
1367   {
1368     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1369     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
1370     &random_placement_background_restricted,
1371     NULL,
1372     "restrict random placement to:",    "set random placement restriction"
1373   },
1374
1375   /* ---------- element settings: configure (various elements) ------------- */
1376
1377   {
1378     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
1379     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
1380     &stick_element_properties_window,
1381     NULL,
1382     "stick this screen to edit content","stick this screen to edit content"
1383   },
1384   {
1385     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1386     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
1387     &level.em_slippery_gems,
1388     NULL,
1389     "slip down from certain flat walls","use EM style slipping behaviour"
1390   },
1391
1392   /* ---------- element settings: configure (custom elements) ------------- */
1393
1394   {
1395     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1396     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
1397     &custom_element_properties[EP_ACCESSIBLE],
1398     NULL, NULL,                         "player can walk to or pass this field"
1399   },
1400   {
1401     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1402     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
1403     &custom_element_properties[EP_WALK_TO_OBJECT],
1404     NULL, NULL,                         "player can dig/collect/push element"
1405   },
1406   {
1407     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1408     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
1409     &custom_element_properties[EP_CAN_MOVE],
1410     NULL, NULL,                         "element can move in some direction"
1411   },
1412   {
1413     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(9),
1414     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
1415     &custom_element_properties[EP_CAN_FALL],
1416     NULL, "can fall",                   "element can fall down"
1417   },
1418   {
1419     ED_SETTINGS_XPOS(6),                ED_SETTINGS_YPOS(9),
1420     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
1421     &custom_element_properties[EP_CAN_SMASH],
1422     " ", NULL,                          "element can smash other elements"
1423   },
1424   {
1425     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1426     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
1427     &custom_element_properties[EP_SLIPPERY],
1428     NULL, NULL,                         "other elements can fall down from it"
1429   },
1430   {
1431     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(11),
1432     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
1433     &custom_element_properties[EP_DEADLY],
1434     NULL, NULL,                         "element can kill the player"
1435   },
1436   {
1437     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1438     GADGET_ID_CUSTOM_EXPLODE_RESULT,    GADGET_ID_NONE,
1439     &custom_element_properties[EP_EXPLODE_RESULT],
1440     NULL, NULL,                         "set consistency/destructibility"
1441   },
1442   {
1443     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(13),
1444     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
1445     &custom_element.can_explode_by_fire,
1446     NULL, "by fire",                    "element can explode by fire/explosion"
1447   },
1448   {
1449     ED_SETTINGS_XPOS(7),                ED_SETTINGS_YPOS(13),
1450     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
1451     &custom_element.can_explode_smashed,
1452     " ", "smashed",                     "element can explode when smashed"
1453   },
1454   {
1455     ED_SETTINGS_XPOS(13),               ED_SETTINGS_YPOS(13),
1456     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
1457     &custom_element.can_explode_impact,
1458     " ", "impact",                      "element can explode on impact"
1459   },
1460
1461   /* ---------- element settings: advanced (custom elements) --------------- */
1462
1463   {
1464     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1465     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
1466     &custom_element.use_gfx_element,
1467     NULL, "use graphic of element:",    "use graphic for custom element"
1468   },
1469   {
1470     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1471     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
1472     &custom_element_properties[EP_CAN_CHANGE],
1473     NULL, "element changes to:",        "element can change to other element"
1474   },
1475   {
1476     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1477     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
1478     &custom_element_change_events[CE_DELAY],
1479     NULL, NULL,                         "element changes after delay"
1480   },
1481   {
1482     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
1483     GADGET_ID_CHANGE_BY_PLAYER,         GADGET_ID_NONE,
1484     &custom_element_change_events[CE_BY_PLAYER],
1485     NULL, NULL,                         "element changes by player contact"
1486   },
1487   {
1488     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
1489     GADGET_ID_CHANGE_BY_COLLISION,      GADGET_ID_NONE,
1490     &custom_element_change_events[CE_BY_COLLISION],
1491     NULL, NULL,                         "element changes by impact or smash"
1492   },
1493   {
1494     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
1495     GADGET_ID_CHANGE_BY_OTHER,          GADGET_ID_NONE,
1496     &custom_element_change_events[CE_BY_OTHER],
1497     NULL, NULL,                         "element changes by other element"
1498   },
1499   {
1500     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
1501     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
1502     &custom_element.change.explode,
1503     NULL, "explode instead of change",  "element explodes instead of change"
1504   },
1505   {
1506     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(9),
1507     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
1508     &custom_element.change.use_content,
1509     NULL, "use extended change target:","element changes to more elements"
1510   },
1511   {
1512     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(11),
1513     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
1514     &custom_element.change.only_complete,
1515     NULL, "only use complete change",   "only use complete extended content"
1516   },
1517   {
1518     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(12),
1519     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
1520     &custom_element.change.use_random_change,
1521     NULL, NULL,                         "use random value for new content"
1522   },
1523   {
1524     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(13),
1525     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
1526     &level.use_custom_template,
1527     NULL, "use template",               "use template for custom properties"
1528   },
1529 };
1530
1531 static struct
1532 {
1533   int x, y;
1534   int area_xsize, area_ysize;
1535   int gadget_id;
1536   int gadget_id_align;
1537   char *text_left, *text_right;
1538 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
1539 {
1540   /* ---------- level playfield content ------------------------------------ */
1541
1542   {
1543     0, 0,
1544     MAX_ED_FIELDX, MAX_ED_FIELDY,
1545     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
1546     NULL, NULL
1547   },
1548
1549   /* ---------- yam yam content -------------------------------------------- */
1550
1551   {
1552     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
1553     3, 3,
1554     GADGET_ID_ELEMENT_CONTENT_0,        GADGET_ID_NONE,
1555     NULL, NULL
1556   },
1557   {
1558     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
1559     3, 3,
1560     GADGET_ID_ELEMENT_CONTENT_1,        GADGET_ID_NONE,
1561     NULL, NULL
1562   },
1563   {
1564     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
1565     3, 3,
1566     GADGET_ID_ELEMENT_CONTENT_2,        GADGET_ID_NONE,
1567     NULL, NULL
1568   },
1569   {
1570     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
1571     3, 3,
1572     GADGET_ID_ELEMENT_CONTENT_3,        GADGET_ID_NONE,
1573     NULL, NULL
1574   },
1575   {
1576     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
1577     3, 3,
1578     GADGET_ID_ELEMENT_CONTENT_4,        GADGET_ID_NONE,
1579     NULL, NULL
1580   },
1581   {
1582     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
1583     3, 3,
1584     GADGET_ID_ELEMENT_CONTENT_5,        GADGET_ID_NONE,
1585     NULL, NULL
1586   },
1587   {
1588     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
1589     3, 3,
1590     GADGET_ID_ELEMENT_CONTENT_6,        GADGET_ID_NONE,
1591     NULL, NULL
1592   },
1593   {
1594     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
1595     3, 3,
1596     GADGET_ID_ELEMENT_CONTENT_7,        GADGET_ID_NONE,
1597     NULL, NULL
1598   },
1599
1600   /* ---------- amoeba content --------------------------------------------- */
1601
1602   {
1603     ED_AREA_ELEM_CONTENT_XPOS,          ED_AREA_ELEM_CONTENT_YPOS,
1604     1, 1,
1605     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
1606     NULL, NULL
1607   },
1608
1609   /* ---------- custom graphic --------------------------------------------- */
1610
1611   {
1612     ED_AREA_ELEM_CONTENT3_XPOS,         ED_AREA_ELEM_CONTENT3_YPOS,
1613     1, 1,
1614     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
1615     NULL, NULL
1616   },
1617
1618   /* ---------- custom content (when exploding) ---------------------------- */
1619
1620   {
1621     ED_AREA_ELEM_CONTENT4_XPOS,         ED_AREA_ELEM_CONTENT4_YPOS,
1622     3, 3,
1623     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
1624     NULL, NULL
1625   },
1626
1627   /* ---------- custom change target --------------------------------------- */
1628
1629   {
1630     ED_AREA_ELEM_CONTENT2_XPOS,         ED_AREA_ELEM_CONTENT2_YPOS,
1631     1, 1,
1632     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
1633     NULL, "after/when:"
1634   },
1635
1636   /* ---------- custom change content (extended change target) ------------- */
1637
1638   {
1639     ED_AREA_ELEM_CONTENT6_XPOS,         ED_AREA_ELEM_CONTENT6_YPOS,
1640     3, 3,
1641     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
1642     NULL, NULL
1643   },
1644
1645   /* ---------- custom change trigger (element causing change) ------------- */
1646
1647   {
1648     ED_AREA_ELEM_CONTENT5_XPOS,         ED_AREA_ELEM_CONTENT5_YPOS,
1649     1, 1,
1650     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
1651     NULL, NULL
1652   },
1653
1654   /* ---------- random background (for random painting) -------------------- */
1655
1656   {
1657     ED_AREA_RANDOM_BACKGROUND_XPOS,     ED_AREA_RANDOM_BACKGROUND_YPOS,
1658     1, 1,
1659     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
1660     NULL, NULL
1661   },
1662 };
1663
1664
1665 /*
1666   -----------------------------------------------------------------------------
1667   some internally used variables
1668   -----------------------------------------------------------------------------
1669 */
1670
1671 /* actual size of level editor drawing area */
1672 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1673
1674 /* actual position of level editor drawing area in level playfield */
1675 static int level_xpos = -1, level_ypos = -1;
1676
1677 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1678
1679 /* drawing elements on the three mouse buttons */
1680 static int new_element1 = EL_WALL;
1681 static int new_element2 = EL_EMPTY;
1682 static int new_element3 = EL_SAND;
1683
1684 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1685                                 (button) == 2 ? new_element2 : \
1686                                 (button) == 3 ? new_element3 : EL_EMPTY)
1687 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1688
1689 /* forward declaration for internal use */
1690 static void ModifyEditorCounter(int, int);
1691 static void ModifyEditorCounterLimits(int, int, int);
1692 static void ModifyEditorSelectbox(int, int);
1693 static void ModifyEditorElementList();
1694 static void RedrawDrawingElements();
1695 static void DrawDrawingWindow();
1696 static void DrawLevelInfoWindow();
1697 static void DrawPropertiesWindow();
1698 static boolean checkPropertiesConfig();
1699 static void CopyLevelToUndoBuffer(int);
1700 static void HandleDrawingAreas(struct GadgetInfo *);
1701 static void HandleCounterButtons(struct GadgetInfo *);
1702 static void HandleTextInputGadgets(struct GadgetInfo *);
1703 static void HandleSelectboxGadgets(struct GadgetInfo *);
1704 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1705 static void HandleRadiobuttons(struct GadgetInfo *);
1706 static void HandleCheckbuttons(struct GadgetInfo *);
1707 static void HandleControlButtons(struct GadgetInfo *);
1708 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1709
1710 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1711 static int right_gadget_border[NUM_EDITOR_GADGETS];
1712
1713 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1714 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1715 static boolean draw_with_brush = FALSE;
1716 static int properties_element = 0;
1717
1718 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1719 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1720 static int undo_buffer_position = 0;
1721 static int undo_buffer_steps = 0;
1722
1723 static int edit_mode;
1724 static int edit_mode_properties;
1725
1726 static int element_shift = 0;
1727
1728 static int editor_el_boulderdash[] =
1729 {
1730   EL_CHAR('B'),
1731   EL_CHAR('O'),
1732   EL_CHAR('U'),
1733   EL_CHAR('L'),
1734
1735   EL_CHAR('-'),
1736   EL_CHAR('D'),
1737   EL_CHAR('E'),
1738   EL_CHAR('R'),
1739
1740   EL_CHAR('D'),
1741   EL_CHAR('A'),
1742   EL_CHAR('S'),
1743   EL_CHAR('H'),
1744
1745   EL_PLAYER_1,
1746   EL_EMPTY,
1747   EL_SAND,
1748   EL_STEELWALL,
1749
1750   EL_BD_WALL,
1751   EL_BD_MAGIC_WALL,
1752   EL_EXIT_CLOSED,
1753   EL_EXIT_OPEN,
1754
1755   EL_BD_DIAMOND,
1756   EL_BD_BUTTERFLY_UP,
1757   EL_BD_FIREFLY_UP,
1758   EL_BD_ROCK,
1759
1760   EL_BD_BUTTERFLY_LEFT,
1761   EL_BD_FIREFLY_LEFT,
1762   EL_BD_BUTTERFLY_RIGHT,
1763   EL_BD_FIREFLY_RIGHT,
1764
1765   EL_BD_AMOEBA,
1766   EL_BD_BUTTERFLY_DOWN,
1767   EL_BD_FIREFLY_DOWN,
1768   EL_EMPTY,
1769 };
1770 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1771
1772 static int editor_el_emerald_mine[] =
1773 {
1774   EL_CHAR('E'),
1775   EL_CHAR('M'),
1776   EL_CHAR('E'),
1777   EL_CHAR('-'),
1778
1779   EL_CHAR('R'),
1780   EL_CHAR('A'),
1781   EL_CHAR('L'),
1782   EL_CHAR('D'),
1783
1784   EL_CHAR('M'),
1785   EL_CHAR('I'),
1786   EL_CHAR('N'),
1787   EL_CHAR('E'),
1788
1789   EL_PLAYER_1,
1790   EL_PLAYER_2,
1791   EL_PLAYER_3,
1792   EL_PLAYER_4,
1793
1794   EL_PLAYER_1,
1795   EL_EMPTY,
1796   EL_SAND,
1797   EL_ROCK,
1798
1799   EL_STEELWALL,
1800   EL_WALL,
1801   EL_WALL_CRUMBLED,
1802   EL_MAGIC_WALL,
1803
1804   EL_EMERALD,
1805   EL_DIAMOND,
1806   EL_NUT,
1807   EL_BOMB,
1808
1809   EL_WALL_EMERALD,
1810   EL_WALL_DIAMOND,
1811   EL_QUICKSAND_EMPTY,
1812   EL_QUICKSAND_FULL,
1813
1814   EL_DYNAMITE,
1815   EL_DYNAMITE_ACTIVE,
1816   EL_EXIT_CLOSED,
1817   EL_EXIT_OPEN,
1818
1819   EL_YAMYAM,
1820   EL_BUG_UP,
1821   EL_SPACESHIP_UP,
1822   EL_ROBOT,
1823
1824   EL_BUG_LEFT,
1825   EL_SPACESHIP_LEFT,
1826   EL_BUG_RIGHT,
1827   EL_SPACESHIP_RIGHT,
1828
1829   EL_ROBOT_WHEEL,
1830   EL_BUG_DOWN,
1831   EL_SPACESHIP_DOWN,
1832   EL_INVISIBLE_WALL,
1833
1834   EL_ACID_POOL_TOPLEFT,
1835   EL_ACID,
1836   EL_ACID_POOL_TOPRIGHT,
1837   EL_EMPTY,
1838
1839   EL_ACID_POOL_BOTTOMLEFT,
1840   EL_ACID_POOL_BOTTOM,
1841   EL_ACID_POOL_BOTTOMRIGHT,
1842   EL_EMPTY,
1843
1844   EL_AMOEBA_DROP,
1845   EL_AMOEBA_DEAD,
1846   EL_AMOEBA_WET,
1847   EL_AMOEBA_DRY,
1848
1849   EL_EM_KEY_1_FILE,
1850   EL_EM_KEY_2_FILE,
1851   EL_EM_KEY_3_FILE,
1852   EL_EM_KEY_4_FILE,
1853
1854   EL_EM_GATE_1,
1855   EL_EM_GATE_2,
1856   EL_EM_GATE_3,
1857   EL_EM_GATE_4,
1858
1859   EL_EM_GATE_1_GRAY,
1860   EL_EM_GATE_2_GRAY,
1861   EL_EM_GATE_3_GRAY,
1862   EL_EM_GATE_4_GRAY,
1863 };
1864 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1865
1866 static int editor_el_more[] =
1867 {
1868   EL_CHAR('M'),
1869   EL_CHAR('O'),
1870   EL_CHAR('R'),
1871   EL_CHAR('E'),
1872
1873   EL_KEY_1,
1874   EL_KEY_2,
1875   EL_KEY_3,
1876   EL_KEY_4,
1877
1878   EL_GATE_1,
1879   EL_GATE_2,
1880   EL_GATE_3,
1881   EL_GATE_4,
1882
1883   EL_GATE_1_GRAY,
1884   EL_GATE_2_GRAY,
1885   EL_GATE_3_GRAY,
1886   EL_GATE_4_GRAY,
1887
1888   EL_ARROW_LEFT,
1889   EL_ARROW_RIGHT,
1890   EL_ARROW_UP,
1891   EL_ARROW_DOWN,
1892
1893   EL_AMOEBA_FULL,
1894   EL_EMERALD_YELLOW,
1895   EL_EMERALD_RED,
1896   EL_EMERALD_PURPLE,
1897
1898   EL_WALL_BD_DIAMOND,
1899   EL_WALL_EMERALD_YELLOW,
1900   EL_WALL_EMERALD_RED,
1901   EL_WALL_EMERALD_PURPLE,
1902
1903   EL_GAME_OF_LIFE,
1904   EL_PACMAN_UP,
1905   EL_TIME_ORB_FULL,
1906   EL_TIME_ORB_EMPTY,
1907
1908   EL_PACMAN_LEFT,
1909   EL_DARK_YAMYAM,
1910   EL_PACMAN_RIGHT,
1911   EL_EXPANDABLE_WALL,
1912
1913   EL_BIOMAZE,
1914   EL_PACMAN_DOWN,
1915   EL_LAMP,
1916   EL_LAMP_ACTIVE,
1917
1918   EL_DYNABOMB_INCREASE_NUMBER,
1919   EL_DYNABOMB_INCREASE_SIZE,
1920   EL_DYNABOMB_INCREASE_POWER,
1921   EL_STONEBLOCK,
1922
1923   EL_MOLE,
1924   EL_PENGUIN,
1925   EL_PIG,
1926   EL_DRAGON,
1927
1928   EL_EMPTY,
1929   EL_MOLE_UP,
1930   EL_EMPTY,
1931   EL_EMPTY,
1932
1933   EL_MOLE_LEFT,
1934   EL_EMPTY,
1935   EL_MOLE_RIGHT,
1936   EL_EMPTY,
1937
1938   EL_EMPTY,
1939   EL_MOLE_DOWN,
1940   EL_BALLOON,
1941   EL_BALLOON_SWITCH_ANY,
1942
1943   EL_BALLOON_SWITCH_LEFT,
1944   EL_BALLOON_SWITCH_RIGHT,
1945   EL_BALLOON_SWITCH_UP,
1946   EL_BALLOON_SWITCH_DOWN,
1947
1948   EL_SATELLITE,
1949   EL_EXPANDABLE_WALL_HORIZONTAL,
1950   EL_EXPANDABLE_WALL_VERTICAL,
1951   EL_EXPANDABLE_WALL_ANY,
1952
1953   EL_INVISIBLE_STEELWALL,
1954   EL_INVISIBLE_WALL,
1955   EL_SPEED_PILL,
1956   EL_BLACK_ORB,
1957
1958   EL_EMC_STEELWALL_1,
1959   EL_EMC_WALL_1,
1960   EL_EMC_WALL_2,
1961   EL_EMC_WALL_3,
1962
1963   EL_EMC_WALL_4,
1964   EL_EMC_WALL_5,
1965   EL_EMC_WALL_6,
1966   EL_EMC_WALL_7,
1967 };
1968 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1969
1970 static int editor_el_sokoban[] =
1971 {
1972   EL_CHAR('S'),
1973   EL_CHAR('O'),
1974   EL_CHAR('K'),
1975   EL_CHAR('O'),
1976
1977   EL_CHAR('-'),
1978   EL_CHAR('B'),
1979   EL_CHAR('A'),
1980   EL_CHAR('N'),
1981
1982   EL_SOKOBAN_OBJECT,
1983   EL_SOKOBAN_FIELD_EMPTY,
1984   EL_SOKOBAN_FIELD_FULL,
1985   EL_STEELWALL,
1986 };
1987 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1988
1989 static int editor_el_supaplex[] =
1990 {
1991   EL_CHAR('S'),
1992   EL_CHAR('U'),
1993   EL_CHAR('P'),
1994   EL_CHAR('A'),
1995
1996   EL_CHAR('P'),
1997   EL_CHAR('L'),
1998   EL_CHAR('E'),
1999   EL_CHAR('X'),
2000
2001   EL_SP_EMPTY,
2002   EL_SP_ZONK,
2003   EL_SP_BASE,
2004   EL_SP_MURPHY,
2005
2006   EL_SP_INFOTRON,
2007   EL_SP_CHIP_SINGLE,
2008   EL_SP_HARDWARE_GRAY,
2009   EL_SP_EXIT_CLOSED,
2010
2011   EL_SP_DISK_ORANGE,
2012   EL_SP_PORT_RIGHT,
2013   EL_SP_PORT_DOWN,
2014   EL_SP_PORT_LEFT,
2015
2016   EL_SP_PORT_UP,
2017   EL_SP_GRAVITY_PORT_RIGHT,
2018   EL_SP_GRAVITY_PORT_DOWN,
2019   EL_SP_GRAVITY_PORT_LEFT,
2020
2021   EL_SP_GRAVITY_PORT_UP,
2022   EL_SP_SNIKSNAK,
2023   EL_SP_DISK_YELLOW,
2024   EL_SP_TERMINAL,
2025
2026   EL_SP_DISK_RED,
2027   EL_SP_PORT_VERTICAL,
2028   EL_SP_PORT_HORIZONTAL,
2029   EL_SP_PORT_ANY,
2030
2031   EL_SP_ELECTRON,
2032   EL_SP_BUGGY_BASE,
2033   EL_SP_CHIP_LEFT,
2034   EL_SP_CHIP_RIGHT,
2035
2036   EL_SP_HARDWARE_BASE_1,
2037   EL_SP_HARDWARE_GREEN,
2038   EL_SP_HARDWARE_BLUE,
2039   EL_SP_HARDWARE_RED,
2040
2041   EL_SP_HARDWARE_YELLOW,
2042   EL_SP_HARDWARE_BASE_2,
2043   EL_SP_HARDWARE_BASE_3,
2044   EL_SP_HARDWARE_BASE_4,
2045
2046   EL_SP_HARDWARE_BASE_5,
2047   EL_SP_HARDWARE_BASE_6,
2048   EL_SP_CHIP_TOP,
2049   EL_SP_CHIP_BOTTOM,
2050 };
2051 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
2052
2053 static int editor_el_diamond_caves[] =
2054 {
2055   EL_CHAR('D'),
2056   EL_CHAR('I'),
2057   EL_CHAR('A'),
2058   EL_CHAR('-'),
2059
2060   EL_CHAR('M'),
2061   EL_CHAR('O'),
2062   EL_CHAR('N'),
2063   EL_CHAR('D'),
2064
2065   EL_CHAR('C'),
2066   EL_CHAR('A'),
2067   EL_CHAR('V'),
2068   EL_CHAR('E'),
2069
2070   EL_CHAR('S'),
2071   EL_CHAR(' '),
2072   EL_CHAR('I'),
2073   EL_CHAR('I'),
2074
2075   EL_PEARL,
2076   EL_CRYSTAL,
2077   EL_WALL_PEARL,
2078   EL_WALL_CRYSTAL,
2079
2080   EL_CONVEYOR_BELT_1_LEFT,
2081   EL_CONVEYOR_BELT_1_MIDDLE,
2082   EL_CONVEYOR_BELT_1_RIGHT,
2083   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
2084
2085   EL_CONVEYOR_BELT_2_LEFT,
2086   EL_CONVEYOR_BELT_2_MIDDLE,
2087   EL_CONVEYOR_BELT_2_RIGHT,
2088   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
2089
2090   EL_CONVEYOR_BELT_3_LEFT,
2091   EL_CONVEYOR_BELT_3_MIDDLE,
2092   EL_CONVEYOR_BELT_3_RIGHT,
2093   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
2094
2095   EL_CONVEYOR_BELT_4_LEFT,
2096   EL_CONVEYOR_BELT_4_MIDDLE,
2097   EL_CONVEYOR_BELT_4_RIGHT,
2098   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
2099
2100   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
2101   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
2102   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
2103   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
2104
2105   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
2106   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
2107   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
2108   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
2109
2110   EL_SWITCHGATE_OPEN,
2111   EL_SWITCHGATE_CLOSED,
2112   EL_SWITCHGATE_SWITCH_UP,
2113   EL_ENVELOPE,
2114
2115   EL_TIMEGATE_CLOSED,
2116   EL_TIMEGATE_OPEN,
2117   EL_TIMEGATE_SWITCH,
2118   EL_EMPTY,
2119
2120   EL_LANDMINE,
2121   EL_INVISIBLE_SAND,
2122   EL_STEELWALL_SLANTED,
2123   EL_EMPTY,
2124
2125   EL_SIGN_EXCLAMATION,
2126   EL_SIGN_STOP,
2127   EL_LIGHT_SWITCH,
2128   EL_LIGHT_SWITCH_ACTIVE,
2129
2130   EL_SHIELD_NORMAL,
2131   EL_SHIELD_DEADLY,
2132   EL_EXTRA_TIME,
2133   EL_EMPTY,
2134 };
2135 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
2136
2137 static int editor_el_dx_boulderdash[] =
2138 {
2139   EL_CHAR('D'),
2140   EL_CHAR('X'),
2141   EL_CHAR('-'),
2142   EL_CHAR(' '),
2143
2144   EL_CHAR('B'),
2145   EL_CHAR('O'),
2146   EL_CHAR('U'),
2147   EL_CHAR('L'),
2148
2149   EL_CHAR('-'),
2150   EL_CHAR('D'),
2151   EL_CHAR('E'),
2152   EL_CHAR('R'),
2153
2154   EL_CHAR('D'),
2155   EL_CHAR('A'),
2156   EL_CHAR('S'),
2157   EL_CHAR('H'),
2158
2159   EL_SPRING,
2160   EL_TUBE_RIGHT_DOWN,
2161   EL_TUBE_HORIZONTAL_DOWN,
2162   EL_TUBE_LEFT_DOWN,
2163
2164   EL_TUBE_HORIZONTAL,
2165   EL_TUBE_VERTICAL_RIGHT,
2166   EL_TUBE_ANY,
2167   EL_TUBE_VERTICAL_LEFT,
2168
2169   EL_TUBE_VERTICAL,
2170   EL_TUBE_RIGHT_UP,
2171   EL_TUBE_HORIZONTAL_UP,
2172   EL_TUBE_LEFT_UP,
2173
2174   EL_TRAP,
2175   EL_DX_SUPABOMB,
2176   EL_EMPTY,
2177   EL_EMPTY
2178 };
2179 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
2180
2181 static int editor_el_chars[] =
2182 {
2183   EL_CHAR('T'),
2184   EL_CHAR('E'),
2185   EL_CHAR('X'),
2186   EL_CHAR('T'),
2187
2188   EL_CHAR(' '),
2189   EL_CHAR('!'),
2190   EL_CHAR('"'),
2191   EL_CHAR('#'),
2192
2193   EL_CHAR('$'),
2194   EL_CHAR('%'),
2195   EL_CHAR('&'),
2196   EL_CHAR('\''),
2197
2198   EL_CHAR('('),
2199   EL_CHAR(')'),
2200   EL_CHAR('*'),
2201   EL_CHAR('+'),
2202
2203   EL_CHAR(','),
2204   EL_CHAR('-'),
2205   EL_CHAR('.'),
2206   EL_CHAR('/'),
2207
2208   EL_CHAR('0'),
2209   EL_CHAR('1'),
2210   EL_CHAR('2'),
2211   EL_CHAR('3'),
2212
2213   EL_CHAR('4'),
2214   EL_CHAR('5'),
2215   EL_CHAR('6'),
2216   EL_CHAR('7'),
2217
2218   EL_CHAR('8'),
2219   EL_CHAR('9'),
2220   EL_CHAR(':'),
2221   EL_CHAR(';'),
2222
2223   EL_CHAR('<'),
2224   EL_CHAR('='),
2225   EL_CHAR('>'),
2226   EL_CHAR('?'),
2227
2228   EL_CHAR('@'),
2229   EL_CHAR('A'),
2230   EL_CHAR('B'),
2231   EL_CHAR('C'),
2232
2233   EL_CHAR('D'),
2234   EL_CHAR('E'),
2235   EL_CHAR('F'),
2236   EL_CHAR('G'),
2237
2238   EL_CHAR('H'),
2239   EL_CHAR('I'),
2240   EL_CHAR('J'),
2241   EL_CHAR('K'),
2242
2243   EL_CHAR('L'),
2244   EL_CHAR('M'),
2245   EL_CHAR('N'),
2246   EL_CHAR('O'),
2247
2248   EL_CHAR('P'),
2249   EL_CHAR('Q'),
2250   EL_CHAR('R'),
2251   EL_CHAR('S'),
2252
2253   EL_CHAR('T'),
2254   EL_CHAR('U'),
2255   EL_CHAR('V'),
2256   EL_CHAR('W'),
2257
2258   EL_CHAR('X'),
2259   EL_CHAR('Y'),
2260   EL_CHAR('Z'),
2261   EL_CHAR('['),
2262
2263   EL_CHAR('\\'),
2264   EL_CHAR(']'),
2265   EL_CHAR('^'),
2266   EL_CHAR('_'),
2267
2268   EL_CHAR('©'),
2269   EL_CHAR('Ä'),
2270   EL_CHAR('Ö'),
2271   EL_CHAR('Ü'),
2272
2273   EL_CHAR('°'),
2274   EL_CHAR('®'),
2275   EL_CHAR(FONT_ASCII_CURSOR),
2276   EL_CHAR(' ')
2277 };
2278 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
2279
2280 static int editor_el_custom[] =
2281 {
2282   EL_CHAR('C'),
2283   EL_CHAR('U'),
2284   EL_CHAR('S'),
2285   EL_CHAR('-'),
2286
2287   EL_CHAR('T'),
2288   EL_CHAR('O'),
2289   EL_CHAR('M'),
2290   EL_CHAR(' '),
2291
2292   EL_CHAR('E'),
2293   EL_CHAR('L'),
2294   EL_CHAR('E'),
2295   EL_CHAR('M'),
2296
2297   EL_CHAR('E'),
2298   EL_CHAR('N'),
2299   EL_CHAR('T'),
2300   EL_CHAR('S'),
2301
2302   EL_CUSTOM_START + 0,
2303   EL_CUSTOM_START + 1,
2304   EL_CUSTOM_START + 2,
2305   EL_CUSTOM_START + 3,
2306
2307   EL_CUSTOM_START + 4,
2308   EL_CUSTOM_START + 5,
2309   EL_CUSTOM_START + 6,
2310   EL_CUSTOM_START + 7,
2311
2312   EL_CUSTOM_START + 8,
2313   EL_CUSTOM_START + 9,
2314   EL_CUSTOM_START + 10,
2315   EL_CUSTOM_START + 11,
2316
2317   EL_CUSTOM_START + 12,
2318   EL_CUSTOM_START + 13,
2319   EL_CUSTOM_START + 14,
2320   EL_CUSTOM_START + 15,
2321
2322   EL_CUSTOM_START + 16,
2323   EL_CUSTOM_START + 17,
2324   EL_CUSTOM_START + 18,
2325   EL_CUSTOM_START + 19,
2326
2327   EL_CUSTOM_START + 20,
2328   EL_CUSTOM_START + 21,
2329   EL_CUSTOM_START + 22,
2330   EL_CUSTOM_START + 23,
2331
2332   EL_CUSTOM_START + 24,
2333   EL_CUSTOM_START + 25,
2334   EL_CUSTOM_START + 26,
2335   EL_CUSTOM_START + 27,
2336
2337   EL_CUSTOM_START + 28,
2338   EL_CUSTOM_START + 29,
2339   EL_CUSTOM_START + 30,
2340   EL_CUSTOM_START + 31,
2341
2342   EL_CUSTOM_START + 32,
2343   EL_CUSTOM_START + 33,
2344   EL_CUSTOM_START + 34,
2345   EL_CUSTOM_START + 35,
2346
2347   EL_CUSTOM_START + 36,
2348   EL_CUSTOM_START + 37,
2349   EL_CUSTOM_START + 38,
2350   EL_CUSTOM_START + 39,
2351
2352   EL_CUSTOM_START + 40,
2353   EL_CUSTOM_START + 41,
2354   EL_CUSTOM_START + 42,
2355   EL_CUSTOM_START + 43,
2356
2357   EL_CUSTOM_START + 44,
2358   EL_CUSTOM_START + 45,
2359   EL_CUSTOM_START + 46,
2360   EL_CUSTOM_START + 47,
2361
2362   EL_CUSTOM_START + 48,
2363   EL_CUSTOM_START + 49,
2364   EL_CUSTOM_START + 50,
2365   EL_CUSTOM_START + 51,
2366
2367   EL_CUSTOM_START + 52,
2368   EL_CUSTOM_START + 53,
2369   EL_CUSTOM_START + 54,
2370   EL_CUSTOM_START + 55,
2371
2372   EL_CUSTOM_START + 56,
2373   EL_CUSTOM_START + 57,
2374   EL_CUSTOM_START + 58,
2375   EL_CUSTOM_START + 59,
2376
2377   EL_CUSTOM_START + 60,
2378   EL_CUSTOM_START + 61,
2379   EL_CUSTOM_START + 62,
2380   EL_CUSTOM_START + 63,
2381
2382   EL_CUSTOM_START + 64,
2383   EL_CUSTOM_START + 65,
2384   EL_CUSTOM_START + 66,
2385   EL_CUSTOM_START + 67,
2386
2387   EL_CUSTOM_START + 68,
2388   EL_CUSTOM_START + 69,
2389   EL_CUSTOM_START + 70,
2390   EL_CUSTOM_START + 71,
2391
2392   EL_CUSTOM_START + 72,
2393   EL_CUSTOM_START + 73,
2394   EL_CUSTOM_START + 74,
2395   EL_CUSTOM_START + 75,
2396
2397   EL_CUSTOM_START + 76,
2398   EL_CUSTOM_START + 77,
2399   EL_CUSTOM_START + 78,
2400   EL_CUSTOM_START + 79,
2401
2402   EL_CUSTOM_START + 80,
2403   EL_CUSTOM_START + 81,
2404   EL_CUSTOM_START + 82,
2405   EL_CUSTOM_START + 83,
2406
2407   EL_CUSTOM_START + 84,
2408   EL_CUSTOM_START + 85,
2409   EL_CUSTOM_START + 86,
2410   EL_CUSTOM_START + 87,
2411
2412   EL_CUSTOM_START + 88,
2413   EL_CUSTOM_START + 89,
2414   EL_CUSTOM_START + 90,
2415   EL_CUSTOM_START + 91,
2416
2417   EL_CUSTOM_START + 92,
2418   EL_CUSTOM_START + 93,
2419   EL_CUSTOM_START + 94,
2420   EL_CUSTOM_START + 95,
2421
2422   EL_CUSTOM_START + 96,
2423   EL_CUSTOM_START + 97,
2424   EL_CUSTOM_START + 98,
2425   EL_CUSTOM_START + 99,
2426
2427   EL_CUSTOM_START + 100,
2428   EL_CUSTOM_START + 101,
2429   EL_CUSTOM_START + 102,
2430   EL_CUSTOM_START + 103,
2431
2432   EL_CUSTOM_START + 104,
2433   EL_CUSTOM_START + 105,
2434   EL_CUSTOM_START + 106,
2435   EL_CUSTOM_START + 107,
2436
2437   EL_CUSTOM_START + 108,
2438   EL_CUSTOM_START + 109,
2439   EL_CUSTOM_START + 110,
2440   EL_CUSTOM_START + 111,
2441
2442   EL_CUSTOM_START + 112,
2443   EL_CUSTOM_START + 113,
2444   EL_CUSTOM_START + 114,
2445   EL_CUSTOM_START + 115,
2446
2447   EL_CUSTOM_START + 116,
2448   EL_CUSTOM_START + 117,
2449   EL_CUSTOM_START + 118,
2450   EL_CUSTOM_START + 119,
2451
2452   EL_CUSTOM_START + 120,
2453   EL_CUSTOM_START + 121,
2454   EL_CUSTOM_START + 122,
2455   EL_CUSTOM_START + 123,
2456
2457   EL_CUSTOM_START + 124,
2458   EL_CUSTOM_START + 125,
2459   EL_CUSTOM_START + 126,
2460   EL_CUSTOM_START + 127
2461 };
2462 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
2463
2464 static int *editor_elements = NULL;     /* dynamically allocated */
2465 static int num_editor_elements = 0;     /* dynamically determined */
2466
2467 static struct
2468 {
2469   boolean *setup_value;
2470   int *element_list;
2471   int *element_list_size;
2472
2473   boolean last_setup_value;
2474 }
2475 editor_elements_info[] =
2476 {
2477   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
2478     &num_editor_el_boulderdash                                          },
2479   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
2480     &num_editor_el_emerald_mine                                         },
2481   { &setup.editor.el_more,              editor_el_more,
2482     &num_editor_el_more                                                 },
2483   { &setup.editor.el_sokoban,           editor_el_sokoban,
2484     &num_editor_el_sokoban                                              },
2485   { &setup.editor.el_supaplex,          editor_el_supaplex,
2486     &num_editor_el_supaplex                                             },
2487   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
2488     &num_editor_el_diamond_caves                                        },
2489   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
2490     &num_editor_el_dx_boulderdash                                       },
2491   { &setup.editor.el_chars,             editor_el_chars,
2492     &num_editor_el_chars                                                },
2493   { &setup.editor.el_custom,            editor_el_custom,
2494     &num_editor_el_custom                                               },
2495   { NULL,                               NULL,
2496     NULL                                                                }
2497 };
2498
2499
2500 /*
2501   -----------------------------------------------------------------------------
2502   functions
2503   -----------------------------------------------------------------------------
2504 */
2505
2506 static void ReinitializeElementList()
2507 {
2508   int pos = 0;
2509   int i, j;
2510
2511   if (editor_elements != NULL)
2512     free(editor_elements);
2513
2514   num_editor_elements = 0;
2515
2516   /* determine size of element list */
2517   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2518     if (*editor_elements_info[i].setup_value)
2519       num_editor_elements += *editor_elements_info[i].element_list_size;
2520
2521   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
2522   {
2523     /* workaround: offer at least as many elements as element buttons exist */
2524     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
2525
2526     *editor_elements_info[list_nr].setup_value = TRUE;
2527     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
2528   }
2529
2530   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
2531
2532   /* fill element list */
2533   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2534     if (*editor_elements_info[i].setup_value)
2535       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
2536         editor_elements[pos++] = editor_elements_info[i].element_list[j];
2537 }
2538
2539 static void ReinitializeElementListButtons()
2540 {
2541   static boolean initialization_needed = TRUE;
2542   int i;
2543
2544   if (!initialization_needed)   /* check if editor element setup has changed */
2545     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2546       if (editor_elements_info[i].last_setup_value !=
2547           *editor_elements_info[i].setup_value)
2548         initialization_needed = TRUE;
2549
2550   if (!initialization_needed)
2551     return;
2552
2553   FreeLevelEditorGadgets();
2554   CreateLevelEditorGadgets();
2555
2556   /* store current setup values for next invocation of this function */
2557   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2558     editor_elements_info[i].last_setup_value =
2559       *editor_elements_info[i].setup_value;
2560
2561   initialization_needed = FALSE;
2562 }
2563
2564 static int getMaxInfoTextLength()
2565 {
2566   return (SXSIZE / getFontWidth(FONT_TEXT_2));
2567 }
2568
2569 static int getFullTextWidth(char *text)
2570 {
2571   if (text == NULL)
2572     return 0;
2573
2574   return (strlen(text) * getFontWidth(FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
2575 }
2576
2577 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
2578 {
2579   return (gi->x + gi->width + getFullTextWidth(text));
2580 }
2581
2582 static char *getElementInfoText(int element)
2583 {
2584   char *info_text = NULL;
2585
2586   if (element < NUM_FILE_ELEMENTS)
2587   {
2588     if (strlen(element_info[element].description) > 0)
2589       info_text = element_info[element].description;
2590     else if (element_info[element].custom_description != NULL)
2591       info_text = element_info[element].custom_description;
2592     else if (element_info[element].editor_description != NULL)
2593       info_text = element_info[element].editor_description;
2594   }
2595
2596   if (info_text == NULL)
2597   {
2598     info_text = "unknown";
2599
2600     Error(ERR_WARN, "no element description for element %d", element);
2601   }
2602
2603   return info_text;
2604 }
2605
2606 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
2607 {
2608   int x,y;
2609   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
2610   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
2611
2612   BlitBitmap(drawto, drawto,
2613              SX + (dx == -1 ? MINI_TILEX : 0),
2614              SY + (dy == -1 ? MINI_TILEY : 0),
2615              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
2616              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
2617              SX + (dx == +1 ? MINI_TILEX : 0),
2618              SY + (dy == +1 ? MINI_TILEY : 0));
2619   if (dx)
2620   {
2621     x = (dx == 1 ? 0 : ed_fieldx - 1);
2622     for(y=0; y<ed_fieldy; y++)
2623       DrawMiniElementOrWall(x, y, from_x, from_y);
2624   }
2625   else if (dy)
2626   {
2627     y = (dy == 1 ? 0 : ed_fieldy - 1);
2628     for(x=0; x<ed_fieldx; x++)
2629       DrawMiniElementOrWall(x, y, from_x, from_y);
2630   }
2631
2632   redraw_mask |= REDRAW_FIELD;
2633   BackToFront();
2634 }
2635
2636 static void CreateControlButtons()
2637 {
2638   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2639   struct GadgetInfo *gi;
2640   unsigned long event_mask;
2641   int i;
2642
2643   /* create toolbox buttons */
2644   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2645   {
2646     int id = i;
2647     int width, height;
2648     int gd_xoffset, gd_yoffset;
2649     int gd_x1, gd_x2, gd_y1, gd_y2;
2650     int button_type;
2651     int radio_button_nr;
2652     boolean checked;
2653
2654     if (id == GADGET_ID_SINGLE_ITEMS ||
2655         id == GADGET_ID_CONNECTED_ITEMS ||
2656         id == GADGET_ID_LINE ||
2657         id == GADGET_ID_ARC ||
2658         id == GADGET_ID_TEXT ||
2659         id == GADGET_ID_RECTANGLE ||
2660         id == GADGET_ID_FILLED_BOX ||
2661         id == GADGET_ID_FLOOD_FILL ||
2662         id == GADGET_ID_GRAB_BRUSH ||
2663         id == GADGET_ID_PICK_ELEMENT)
2664     {
2665       button_type = GD_TYPE_RADIO_BUTTON;
2666       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
2667       checked = (id == drawing_function ? TRUE : FALSE);
2668       event_mask = GD_EVENT_PRESSED;
2669     }
2670     else
2671     {
2672       button_type = GD_TYPE_NORMAL_BUTTON;
2673       radio_button_nr = RADIO_NR_NONE;
2674       checked = FALSE;
2675
2676       if (id == GADGET_ID_WRAP_LEFT ||
2677           id == GADGET_ID_WRAP_RIGHT ||
2678           id == GADGET_ID_WRAP_UP ||
2679           id == GADGET_ID_WRAP_DOWN)
2680         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2681       else
2682         event_mask = GD_EVENT_RELEASED;
2683     }
2684
2685     if (id < ED_NUM_CTRL1_BUTTONS)
2686     {
2687       int x = i % ED_CTRL1_BUTTONS_HORIZ;
2688       int y = i / ED_CTRL1_BUTTONS_HORIZ;
2689
2690       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
2691       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
2692       width = ED_CTRL1_BUTTON_XSIZE;
2693       height = ED_CTRL1_BUTTON_YSIZE;
2694     }
2695     else
2696     {
2697       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
2698       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
2699
2700       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
2701       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
2702       width = ED_CTRL2_BUTTON_XSIZE;
2703       height = ED_CTRL2_BUTTON_YSIZE;
2704     }
2705
2706     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
2707     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
2708     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
2709     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
2710
2711     gi = CreateGadget(GDI_CUSTOM_ID, id,
2712                       GDI_CUSTOM_TYPE_ID, i,
2713                       GDI_INFO_TEXT, control_info[i].text,
2714                       GDI_X, EX + gd_xoffset,
2715                       GDI_Y, EY + gd_yoffset,
2716                       GDI_WIDTH, width,
2717                       GDI_HEIGHT, height,
2718                       GDI_TYPE, button_type,
2719                       GDI_STATE, GD_BUTTON_UNPRESSED,
2720                       GDI_RADIO_NR, radio_button_nr,
2721                       GDI_CHECKED, checked,
2722                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2723                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2724                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2725                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2726                       GDI_EVENT_MASK, event_mask,
2727                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2728                       GDI_CALLBACK_ACTION, HandleControlButtons,
2729                       GDI_END);
2730
2731     if (gi == NULL)
2732       Error(ERR_EXIT, "cannot create gadget");
2733
2734     level_editor_gadget[id] = gi;
2735   }
2736
2737   /* create buttons for scrolling of drawing area and element list */
2738   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
2739   {
2740     int id = scrollbutton_info[i].gadget_id;
2741     int x, y, width, height;
2742     int gd_x1, gd_x2, gd_y1, gd_y2;
2743
2744     x = scrollbutton_info[i].x;
2745     y = scrollbutton_info[i].y;
2746
2747     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2748
2749     if (id == GADGET_ID_SCROLL_LIST_UP ||
2750         id == GADGET_ID_SCROLL_LIST_DOWN)
2751     {
2752       x += DX;
2753       y += DY;
2754       width = ED_SCROLLBUTTON2_XSIZE;
2755       height = ED_SCROLLBUTTON2_YSIZE;
2756       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2757       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2758       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
2759       gd_y2 = gd_y1;
2760     }
2761     else
2762     {
2763       x += SX;
2764       y += SY;
2765       width = ED_SCROLLBUTTON_XSIZE;
2766       height = ED_SCROLLBUTTON_YSIZE;
2767       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2768       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2769       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2770       gd_y2 = gd_y1;
2771     }
2772
2773     gi = CreateGadget(GDI_CUSTOM_ID, id,
2774                       GDI_CUSTOM_TYPE_ID, i,
2775                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2776                       GDI_X, x,
2777                       GDI_Y, y,
2778                       GDI_WIDTH, width,
2779                       GDI_HEIGHT, height,
2780                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2781                       GDI_STATE, GD_BUTTON_UNPRESSED,
2782                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2783                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2784                       GDI_EVENT_MASK, event_mask,
2785                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2786                       GDI_CALLBACK_ACTION, HandleControlButtons,
2787                       GDI_END);
2788
2789     if (gi == NULL)
2790       Error(ERR_EXIT, "cannot create gadget");
2791
2792     level_editor_gadget[id] = gi;
2793   }
2794
2795   /* create buttons for element list */
2796   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2797   {
2798     Bitmap *deco_bitmap;
2799     int deco_x, deco_y, deco_xpos, deco_ypos;
2800     int gd_xoffset, gd_yoffset;
2801     int gd_x1, gd_x2, gd_y;
2802     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
2803     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
2804     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
2805     int element = editor_elements[i];
2806
2807     event_mask = GD_EVENT_RELEASED;
2808
2809     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
2810     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
2811
2812     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
2813     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
2814     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
2815
2816     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
2817     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
2818     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
2819
2820     gi = CreateGadget(GDI_CUSTOM_ID, id,
2821                       GDI_CUSTOM_TYPE_ID, i,
2822                       GDI_INFO_TEXT, getElementInfoText(element),
2823                       GDI_X, DX + gd_xoffset,
2824                       GDI_Y, DY + gd_yoffset,
2825                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
2826                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
2827                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2828                       GDI_STATE, GD_BUTTON_UNPRESSED,
2829                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2830                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2831                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2832                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2833                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2834                       GDI_DECORATION_SHIFTING, 1, 1,
2835                       GDI_EVENT_MASK, event_mask,
2836                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2837                       GDI_CALLBACK_ACTION, HandleControlButtons,
2838                       GDI_END);
2839
2840     if (gi == NULL)
2841       Error(ERR_EXIT, "cannot create gadget");
2842
2843     level_editor_gadget[id] = gi;
2844   }
2845 }
2846
2847 static void CreateCounterButtons()
2848 {
2849   int max_infotext_len = getMaxInfoTextLength();
2850   int i;
2851
2852   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
2853   {
2854     int j;
2855     int x = SX + counterbutton_info[i].x;       /* down count button */
2856     int y = SY + counterbutton_info[i].y;
2857
2858     /* determine horizontal position to the right of specified gadget */
2859     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
2860       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
2861            ED_GADGET_TEXT_DISTANCE);
2862
2863     /* determine horizontal offset for leading text */
2864     if (counterbutton_info[i].text_left != NULL)
2865       x += (getFontWidth(FONT_TEXT_1) * strlen(counterbutton_info[i].text_left)
2866             + ED_GADGET_TEXT_DISTANCE);
2867
2868     for (j=0; j<2; j++)
2869     {
2870       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2871       struct GadgetInfo *gi;
2872       int id = (j == 0 ?
2873                 counterbutton_info[i].gadget_id_down :
2874                 counterbutton_info[i].gadget_id_up);
2875       int gd_xoffset;
2876       int gd_x, gd_x1, gd_x2, gd_y;
2877       int x_size, y_size;
2878       unsigned long event_mask;
2879       char infotext[max_infotext_len + 1];
2880
2881       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2882
2883       if (i == ED_COUNTER_ID_SELECT_LEVEL)
2884       {
2885         int sid = (j == 0 ?
2886                    ED_SCROLLBUTTON_ID_AREA_LEFT :
2887                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
2888
2889         event_mask |= GD_EVENT_RELEASED;
2890
2891         if (j == 1)
2892           x += 2 * ED_GADGET_DISTANCE;
2893         y += ED_GADGET_DISTANCE;
2894
2895         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
2896         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2897         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
2898         x_size = ED_SCROLLBUTTON_XSIZE;
2899         y_size = ED_SCROLLBUTTON_YSIZE;
2900       }
2901       else
2902       {
2903         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
2904         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2905         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2906         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
2907         x_size = ED_BUTTON_COUNT_XSIZE;
2908         y_size = ED_BUTTON_COUNT_YSIZE;
2909       }
2910
2911       sprintf(infotext, "%s counter value by 1, 5 or 10",
2912               (j == 0 ? "decrease" : "increase"));
2913
2914       gi = CreateGadget(GDI_CUSTOM_ID, id,
2915                         GDI_CUSTOM_TYPE_ID, i,
2916                         GDI_INFO_TEXT, infotext,
2917                         GDI_X, x,
2918                         GDI_Y, y,
2919                         GDI_WIDTH, x_size,
2920                         GDI_HEIGHT, y_size,
2921                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2922                         GDI_STATE, GD_BUTTON_UNPRESSED,
2923                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2924                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2925                         GDI_EVENT_MASK, event_mask,
2926                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2927                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2928                         GDI_END);
2929
2930       if (gi == NULL)
2931         Error(ERR_EXIT, "cannot create gadget");
2932
2933       level_editor_gadget[id] = gi;
2934       right_gadget_border[id] =
2935         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
2936
2937       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
2938
2939       if (j == 0)
2940       {
2941         int font_type = FONT_INPUT_1;
2942         int font_type_active = FONT_INPUT_1_ACTIVE;
2943         int gd_width = ED_WIN_COUNT_XSIZE;
2944
2945         id = counterbutton_info[i].gadget_id_text;
2946         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2947
2948         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2949         {
2950           font_type = FONT_LEVEL_NUMBER;
2951           font_type_active = FONT_LEVEL_NUMBER;
2952
2953           x += 2 * ED_GADGET_DISTANCE;
2954           y -= ED_GADGET_DISTANCE;
2955
2956           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2957           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2958           gd_width = ED_WIN_COUNT2_XSIZE;
2959         }
2960         else
2961         {
2962           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2963           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2964         }
2965
2966         gi = CreateGadget(GDI_CUSTOM_ID, id,
2967                           GDI_CUSTOM_TYPE_ID, i,
2968                           GDI_INFO_TEXT, "enter counter value",
2969                           GDI_X, x,
2970                           GDI_Y, y,
2971                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2972                           GDI_NUMBER_VALUE, 0,
2973                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2974                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2975                           GDI_TEXT_SIZE, 3,
2976                           GDI_TEXT_FONT, font_type,
2977                           GDI_TEXT_FONT_ACTIVE, font_type_active,
2978                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2979                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2980                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2981                           GDI_DESIGN_WIDTH, gd_width,
2982                           GDI_EVENT_MASK, event_mask,
2983                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2984                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2985                           GDI_END);
2986
2987         if (gi == NULL)
2988           Error(ERR_EXIT, "cannot create gadget");
2989
2990         level_editor_gadget[id] = gi;
2991         right_gadget_border[id] =
2992           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
2993
2994         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
2995       }
2996     }
2997   }
2998 }
2999
3000 static void CreateDrawingAreas()
3001 {
3002   int i;
3003
3004   for (i=0; i<ED_NUM_DRAWING_AREAS; i++)
3005   {
3006     struct GadgetInfo *gi;
3007     unsigned long event_mask;
3008     int id = drawingarea_info[i].gadget_id;
3009     int x = SX + drawingarea_info[i].x;
3010     int y = SY + drawingarea_info[i].y;
3011     int area_xsize = drawingarea_info[i].area_xsize;
3012     int area_ysize = drawingarea_info[i].area_ysize;
3013
3014     event_mask =
3015       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
3016       GD_EVENT_OFF_BORDERS;
3017
3018     /* determine horizontal position to the right of specified gadget */
3019     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
3020       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
3021            ED_GADGET_TEXT_DISTANCE + MINI_TILEX / 2);
3022
3023     /* determine horizontal offset for leading text */
3024     if (drawingarea_info[i].text_left != NULL)
3025       x += (getFontWidth(FONT_TEXT_1) * strlen(drawingarea_info[i].text_left) +
3026             ED_GADGET_TEXT_DISTANCE + MINI_TILEX / 2);
3027
3028     gi = CreateGadget(GDI_CUSTOM_ID, id,
3029                       GDI_CUSTOM_TYPE_ID, i,
3030                       GDI_X, x,
3031                       GDI_Y, y,
3032                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
3033                       GDI_AREA_SIZE, area_xsize, area_ysize,
3034                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
3035                       GDI_EVENT_MASK, event_mask,
3036                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
3037                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
3038                       GDI_END);
3039
3040     if (gi == NULL)
3041       Error(ERR_EXIT, "cannot create gadget");
3042
3043     level_editor_gadget[id] = gi;
3044     right_gadget_border[id] =
3045       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
3046   }
3047 }
3048
3049 static void CreateTextInputGadgets()
3050 {
3051   int max_infotext_len = getMaxInfoTextLength();
3052   int i;
3053
3054   for (i=0; i<ED_NUM_TEXTINPUT; i++)
3055   {
3056     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3057     int gd_x, gd_y;
3058     struct GadgetInfo *gi;
3059     unsigned long event_mask;
3060     char infotext[MAX_OUTPUT_LINESIZE + 1];
3061     int id = textinput_info[i].gadget_id;
3062
3063     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3064
3065     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
3066     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
3067
3068     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
3069     infotext[max_infotext_len] = '\0';
3070
3071     gi = CreateGadget(GDI_CUSTOM_ID, id,
3072                       GDI_CUSTOM_TYPE_ID, i,
3073                       GDI_INFO_TEXT, infotext,
3074                       GDI_X, SX + textinput_info[i].x,
3075                       GDI_Y, SY + textinput_info[i].y,
3076                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
3077                       GDI_TEXT_VALUE, textinput_info[i].value,
3078                       GDI_TEXT_SIZE, textinput_info[i].size,
3079                       GDI_TEXT_FONT, FONT_INPUT_1,
3080                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3081                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3082                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3083                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3084                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3085                       GDI_EVENT_MASK, event_mask,
3086                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3087                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
3088                       GDI_END);
3089
3090     if (gi == NULL)
3091       Error(ERR_EXIT, "cannot create gadget");
3092
3093     level_editor_gadget[id] = gi;
3094   }
3095 }
3096
3097 static void CreateSelectboxGadgets()
3098 {
3099   int max_infotext_len = getMaxInfoTextLength();
3100   int i, j;
3101
3102   for (i=0; i<ED_NUM_SELECTBOX; i++)
3103   {
3104     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3105     int gd_x, gd_y;
3106     struct GadgetInfo *gi;
3107     unsigned long event_mask;
3108     char infotext[MAX_OUTPUT_LINESIZE + 1];
3109     int id = selectbox_info[i].gadget_id;
3110     int x = SX + selectbox_info[i].x;
3111     int y = SY + selectbox_info[i].y;
3112
3113     if (selectbox_info[i].size == -1)   /* dynamically determine size */
3114     {
3115       /* (we cannot use -1 for uninitialized values if we directly compare
3116          with results from strlen(), because the '<' and '>' operation will
3117          implicitely cast -1 to an unsigned integer value!) */
3118       selectbox_info[i].size = 0;
3119
3120       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
3121         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
3122           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
3123
3124       selectbox_info[i].size++;         /* add one character empty space */
3125     }
3126
3127     event_mask = GD_EVENT_RELEASED |
3128       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
3129
3130     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
3131     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
3132
3133     /* determine horizontal position to the right of specified gadget */
3134     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
3135       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
3136            ED_GADGET_TEXT_DISTANCE);
3137
3138     /* determine horizontal offset for leading text */
3139     if (selectbox_info[i].text_left != NULL)
3140       x += (getFontWidth(FONT_TEXT_1) * strlen(selectbox_info[i].text_left) +
3141             ED_GADGET_TEXT_DISTANCE);
3142
3143     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
3144     infotext[max_infotext_len] = '\0';
3145
3146     gi = CreateGadget(GDI_CUSTOM_ID, id,
3147                       GDI_CUSTOM_TYPE_ID, i,
3148                       GDI_INFO_TEXT, infotext,
3149                       GDI_X, x,
3150                       GDI_Y, y,
3151                       GDI_TYPE, GD_TYPE_SELECTBOX,
3152                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
3153                       GDI_TEXT_SIZE, selectbox_info[i].size,
3154                       GDI_TEXT_FONT, FONT_INPUT_1,
3155                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
3156                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
3157                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
3158                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3159                       GDI_BORDER_SIZE_SELECTBUTTON, getFontWidth(FONT_INPUT_1),
3160                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3161                       GDI_EVENT_MASK, event_mask,
3162                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3163                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
3164                       GDI_END);
3165
3166     if (gi == NULL)
3167       Error(ERR_EXIT, "cannot create gadget");
3168
3169     level_editor_gadget[id] = gi;
3170     right_gadget_border[id] =
3171       getRightGadgetBorder(gi, selectbox_info[i].text_right);
3172   }
3173 }
3174
3175 static void CreateTextbuttonGadgets()
3176 {
3177   int max_infotext_len = getMaxInfoTextLength();
3178   int i;
3179
3180   for (i=0; i<ED_NUM_TEXTBUTTON; i++)
3181   {
3182     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3183     int gd_x1, gd_x2, gd_y1, gd_y2;
3184     struct GadgetInfo *gi;
3185     unsigned long event_mask;
3186     char infotext[MAX_OUTPUT_LINESIZE + 1];
3187     int id = textbutton_info[i].gadget_id;
3188     int x = SX + textbutton_info[i].x;
3189     int y = SY + textbutton_info[i].y;
3190
3191     if (textbutton_info[i].size == -1)  /* dynamically determine size */
3192       textbutton_info[i].size = strlen(textbutton_info[i].text);
3193
3194     event_mask = GD_EVENT_RELEASED;
3195
3196     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
3197     {
3198       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
3199       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
3200       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
3201       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
3202     }
3203     else
3204     {
3205       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
3206       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
3207       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
3208       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
3209     }
3210
3211     sprintf(infotext, "%s", textbutton_info[i].infotext);
3212     infotext[max_infotext_len] = '\0';
3213
3214     /* determine horizontal position to the right of specified gadget */
3215     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3216       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
3217            ED_GADGET_TEXT_DISTANCE);
3218
3219     gi = CreateGadget(GDI_CUSTOM_ID, id,
3220                       GDI_CUSTOM_TYPE_ID, i,
3221                       GDI_INFO_TEXT, infotext,
3222                       GDI_X, x,
3223                       GDI_Y, y,
3224                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
3225                       GDI_TEXT_VALUE, textbutton_info[i].text,
3226                       GDI_TEXT_SIZE, textbutton_info[i].size,
3227                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
3228                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
3229                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3230                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
3231                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
3232                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
3233                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
3234                       GDI_DECORATION_SHIFTING, 1, 1,
3235                       GDI_EVENT_MASK, event_mask,
3236                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3237                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
3238                       GDI_END);
3239
3240     if (gi == NULL)
3241       Error(ERR_EXIT, "cannot create gadget");
3242
3243     level_editor_gadget[id] = gi;
3244   }
3245 }
3246
3247 static void CreateScrollbarGadgets()
3248 {
3249   int i;
3250
3251   for (i=0; i<ED_NUM_SCROLLBARS; i++)
3252   {
3253     int id = scrollbar_info[i].gadget_id;
3254     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3255     int gd_x1, gd_x2, gd_y1, gd_y2;
3256     struct GadgetInfo *gi;
3257     int items_max, items_visible, item_position;
3258     unsigned long event_mask;
3259
3260     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
3261     {
3262       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
3263       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
3264       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
3265     }
3266     else        /* drawing area scrollbars */
3267     {
3268       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
3269       {
3270         items_max = MAX(lev_fieldx + 2, ed_fieldx);
3271         items_visible = ed_fieldx;
3272         item_position = 0;
3273       }
3274       else
3275       {
3276         items_max = MAX(lev_fieldy + 2, ed_fieldy);
3277         items_visible = ed_fieldy;
3278         item_position = 0;
3279       }
3280     }
3281
3282     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
3283
3284     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
3285     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
3286                       scrollbar_info[i].height : scrollbar_info[i].width));
3287     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3288     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
3289
3290     gi = CreateGadget(GDI_CUSTOM_ID, id,
3291                       GDI_CUSTOM_TYPE_ID, i,
3292                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
3293                       GDI_X, scrollbar_info[i].x,
3294                       GDI_Y, scrollbar_info[i].y,
3295                       GDI_WIDTH, scrollbar_info[i].width,
3296                       GDI_HEIGHT, scrollbar_info[i].height,
3297                       GDI_TYPE, scrollbar_info[i].type,
3298                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
3299                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
3300                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
3301                       GDI_STATE, GD_BUTTON_UNPRESSED,
3302                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
3303                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
3304                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
3305                       GDI_EVENT_MASK, event_mask,
3306                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3307                       GDI_CALLBACK_ACTION, HandleControlButtons,
3308                       GDI_END);
3309
3310     if (gi == NULL)
3311       Error(ERR_EXIT, "cannot create gadget");
3312
3313     level_editor_gadget[id] = gi;
3314   }
3315 }
3316
3317 static void CreateCheckbuttonGadgets()
3318 {
3319   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3320   struct GadgetInfo *gi;
3321   unsigned long event_mask;
3322   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3323   int i;
3324
3325   event_mask = GD_EVENT_PRESSED;
3326
3327   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3328   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3329   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3330   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3331   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3332
3333   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
3334   {
3335     int id = checkbutton_info[i].gadget_id;
3336     int x = SX + checkbutton_info[i].x;
3337     int y = SY + checkbutton_info[i].y;
3338
3339     if (id == GADGET_ID_STICK_ELEMENT)
3340       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
3341     else
3342       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
3343
3344     /* determine horizontal position to the right of specified gadget */
3345     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
3346       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
3347            ED_GADGET_TEXT_DISTANCE);
3348
3349     /* determine horizontal offset for leading text */
3350     if (checkbutton_info[i].text_left != NULL)
3351       x += (getFontWidth(FONT_TEXT_1) * strlen(checkbutton_info[i].text_left) +
3352             ED_GADGET_TEXT_DISTANCE);
3353
3354     gi = CreateGadget(GDI_CUSTOM_ID, id,
3355                       GDI_CUSTOM_TYPE_ID, i,
3356                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
3357                       GDI_X, x,
3358                       GDI_Y, y,
3359                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3360                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3361                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
3362                       GDI_CHECKED, *checkbutton_info[i].value,
3363                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3364                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3365                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3366                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3367                       GDI_EVENT_MASK, event_mask,
3368                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3369                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
3370                       GDI_END);
3371
3372     if (gi == NULL)
3373       Error(ERR_EXIT, "cannot create gadget");
3374
3375     level_editor_gadget[id] = gi;
3376     right_gadget_border[id] =
3377       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
3378   }
3379 }
3380
3381 static void CreateRadiobuttonGadgets()
3382 {
3383   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
3384   struct GadgetInfo *gi;
3385   unsigned long event_mask;
3386   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
3387   int i;
3388
3389   event_mask = GD_EVENT_PRESSED;
3390
3391   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3392   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
3393   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
3394   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
3395   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
3396
3397   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
3398   {
3399     int id = radiobutton_info[i].gadget_id;
3400     int x = SX + radiobutton_info[i].x;
3401     int y = SY + radiobutton_info[i].y;
3402
3403     int checked =
3404       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
3405
3406     /* determine horizontal position to the right of specified gadget */
3407     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
3408       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
3409            ED_GADGET_TEXT_DISTANCE);
3410
3411     /* determine horizontal offset for leading text */
3412     if (radiobutton_info[i].text_left != NULL)
3413       x += (getFontWidth(FONT_TEXT_1) * strlen(radiobutton_info[i].text_left) +
3414             ED_GADGET_TEXT_DISTANCE);
3415
3416     gi = CreateGadget(GDI_CUSTOM_ID, id,
3417                       GDI_CUSTOM_TYPE_ID, i,
3418                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
3419                       GDI_X, x,
3420                       GDI_Y, y,
3421                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
3422                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
3423                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
3424                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
3425                       GDI_CHECKED, checked,
3426                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
3427                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
3428                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
3429                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
3430                       GDI_EVENT_MASK, event_mask,
3431                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
3432                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
3433                       GDI_END);
3434
3435     if (gi == NULL)
3436       Error(ERR_EXIT, "cannot create gadget");
3437
3438     level_editor_gadget[id] = gi;
3439     right_gadget_border[id] =
3440       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
3441   }
3442 }
3443
3444 void CreateLevelEditorGadgets()
3445 {
3446   int old_game_status = game_status;
3447
3448   /* setting 'game_status' is needed to get the right fonts for the editor */
3449   game_status = GAME_MODE_EDITOR;
3450
3451   ReinitializeElementList();
3452
3453   CreateControlButtons();
3454   CreateScrollbarGadgets();
3455
3456   /* order of function calls is important because of cross-references */
3457   CreateCheckbuttonGadgets();
3458   CreateCounterButtons();
3459   CreateRadiobuttonGadgets();
3460   CreateTextInputGadgets();
3461   CreateTextbuttonGadgets();
3462   CreateSelectboxGadgets();
3463   CreateDrawingAreas();
3464
3465   game_status = old_game_status;
3466 }
3467
3468 void FreeLevelEditorGadgets()
3469 {
3470   int i;
3471
3472   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3473     FreeGadget(level_editor_gadget[i]);
3474 }
3475
3476 static void MapCounterButtons(int id)
3477 {
3478   int gadget_id_down = counterbutton_info[id].gadget_id_down;
3479   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
3480   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
3481   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
3482 #if 0
3483   char infotext[MAX_OUTPUT_LINESIZE + 1];
3484   int max_infotext_len = getMaxInfoTextLength();
3485   int xoffset_left = 0;
3486   int yoffset_left = ED_BORDER_SIZE;
3487   int xoffset_right = getCounterGadgetWidth();
3488   int yoffset_right = ED_BORDER_SIZE;
3489 #else
3490   int xoffset_left = getFullTextWidth(counterbutton_info[id].text_left);
3491   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
3492   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
3493   int yoffset = ED_BORDER_SIZE;
3494   int x_left = gi_down->x - xoffset_left;
3495   int x_right = gi_up->x + gi_up->width + xoffset_right;
3496   int y_above = gi_down->y - yoffset_above;
3497   int x = gi_down->x;
3498   int y = gi_up->y + yoffset;
3499 #endif
3500
3501   if (counterbutton_info[id].text_above)
3502     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
3503
3504   if (counterbutton_info[id].text_left)
3505     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
3506
3507   if (counterbutton_info[id].text_right)
3508     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
3509
3510   ModifyEditorCounter(id, *counterbutton_info[id].value);
3511
3512   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
3513   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
3514   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
3515 }
3516
3517 static void MapControlButtons()
3518 {
3519   int counter_id;
3520   int i;
3521
3522   /* map toolbox buttons */
3523   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
3524     MapGadget(level_editor_gadget[i]);
3525
3526   /* map buttons to select elements */
3527   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3528     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
3529   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
3530   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
3531   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
3532
3533   /* map buttons to select level */
3534   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
3535   ModifyEditorCounterLimits(counter_id,
3536                             leveldir_current->first_level,
3537                             leveldir_current->last_level);
3538   MapCounterButtons(counter_id);
3539 }
3540
3541 static void MapDrawingArea(int id)
3542 {
3543   MapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
3544 }
3545
3546 static void MapTextInputGadget(int id)
3547 {
3548   char infotext[MAX_OUTPUT_LINESIZE + 1];
3549   int max_infotext_len = getMaxInfoTextLength();
3550   int xoffset_above = 0;
3551   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3552   int x = textinput_info[id].x + xoffset_above;
3553   int y = textinput_info[id].y + yoffset_above;
3554
3555   if (textinput_info[id].infotext)
3556   {
3557     sprintf(infotext, "%s:", textinput_info[id].infotext);
3558     infotext[max_infotext_len] = '\0';
3559     DrawTextF(x, y, FONT_TEXT_1, infotext);
3560   }
3561
3562   ModifyGadget(level_editor_gadget[textinput_info[id].gadget_id],
3563                GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
3564
3565   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
3566 }
3567
3568 static void MapSelectboxGadget(int id)
3569 {
3570   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
3571 #if 0
3572   int xoffset_left = 0;
3573   int yoffset_left = ED_BORDER_SIZE;
3574   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
3575   int yoffset_right = ED_BORDER_SIZE;
3576   int x = selectbox_info[id].x + xoffset_left;
3577   int y = selectbox_info[id].y + yoffset_left;
3578 #else
3579   int xoffset_left = getFullTextWidth(selectbox_info[id].text_left);
3580   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
3581   int yoffset = ED_BORDER_SIZE;
3582   int x_left = gi->x - xoffset_left;
3583   int x_right = gi->x + gi->width + xoffset_right;
3584   int y = gi->y + yoffset;
3585 #endif
3586
3587   if (selectbox_info[id].text_left)
3588     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
3589
3590   if (selectbox_info[id].text_right)
3591     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
3592
3593   ModifyEditorSelectbox(id, *selectbox_info[id].value);
3594
3595   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
3596 }
3597
3598 static void MapTextbuttonGadget(int id)
3599 {
3600   MapGadget(level_editor_gadget[textbutton_info[id].gadget_id]);
3601 }
3602
3603 static void MapRadiobuttonGadget(int id)
3604 {
3605   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
3606 #if 0
3607   int xoffset_right = ED_XOFFSET_CHECKBOX;
3608   int yoffset_right = ED_BORDER_SIZE;
3609   int x = radiobutton_info[id].x + xoffset_right;
3610   int y = radiobutton_info[id].y + yoffset_right;
3611 #else
3612   int xoffset_left = getFullTextWidth(checkbutton_info[id].text_left);
3613   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
3614   int yoffset = ED_BORDER_SIZE;
3615   int x_left = gi->x - xoffset_left;
3616   int x_right = gi->x + gi->width + xoffset_right;
3617   int y = gi->y + yoffset;
3618 #endif
3619   boolean checked =
3620     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
3621
3622   if (radiobutton_info[id].text_left)
3623     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
3624
3625   if (radiobutton_info[id].text_right)
3626     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
3627
3628   ModifyGadget(level_editor_gadget[radiobutton_info[id].gadget_id],
3629                GDI_CHECKED, checked, GDI_END);
3630
3631   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
3632 }
3633
3634 static void MapCheckbuttonGadget(int id)
3635 {
3636   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
3637 #if 0
3638   int xoffset_right = ED_XOFFSET_CHECKBOX;
3639   int yoffset_right = ED_BORDER_SIZE;
3640   int x = checkbutton_info[id].x + xoffset_right;
3641   int y = checkbutton_info[id].y + yoffset_right;
3642 #else
3643   int xoffset_left = getFullTextWidth(checkbutton_info[id].text_left);
3644   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
3645   int yoffset = ED_BORDER_SIZE;
3646   int x_left = gi->x - xoffset_left;
3647   int x_right = gi->x + gi->width + xoffset_right;
3648   int y = gi->y + yoffset;
3649 #endif
3650
3651   /* special case needed for "sticky" gadget */
3652   ModifyGadget(level_editor_gadget[checkbutton_info[id].gadget_id],
3653                GDI_CHECKED, *checkbutton_info[id].value,
3654                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
3655   y = gi->y + yoffset;
3656
3657   if (checkbutton_info[id].text_left)
3658     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
3659
3660   if (checkbutton_info[id].text_right)
3661     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
3662
3663   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
3664 }
3665
3666 static void MapMainDrawingArea()
3667 {
3668   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
3669   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
3670   int i;
3671
3672   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
3673   {
3674     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
3675           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
3676          no_horizontal_scrollbar) ||
3677         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
3678           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
3679          no_vertical_scrollbar))
3680       continue;
3681
3682     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
3683   }
3684
3685   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
3686   {
3687     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
3688         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
3689       continue;
3690
3691     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
3692   }
3693
3694   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
3695 }
3696
3697 static void UnmapDrawingArea(int id)
3698 {
3699   UnmapGadget(level_editor_gadget[id]);
3700 }
3701
3702 void UnmapLevelEditorWindowGadgets()
3703 {
3704   int i;
3705
3706   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3707     if (level_editor_gadget[i]->x < SX + SXSIZE)
3708       UnmapGadget(level_editor_gadget[i]);
3709 }
3710
3711 void UnmapLevelEditorGadgets()
3712 {
3713   int i;
3714
3715   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3716     UnmapGadget(level_editor_gadget[i]);
3717 }
3718
3719 static void ResetUndoBuffer()
3720 {
3721   undo_buffer_position = -1;
3722   undo_buffer_steps = -1;
3723   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3724 }
3725
3726 static void DrawEditModeWindow()
3727 {
3728   ModifyEditorElementList();
3729   RedrawDrawingElements();
3730
3731   if (edit_mode == ED_MODE_INFO)
3732     DrawLevelInfoWindow();
3733   else if (edit_mode == ED_MODE_PROPERTIES)
3734     DrawPropertiesWindow();
3735   else  /* edit_mode == ED_MODE_DRAWING */
3736     DrawDrawingWindow();
3737 }
3738
3739 static boolean LevelChanged()
3740 {
3741   boolean level_changed = FALSE;
3742   int x, y;
3743
3744   for(y=0; y<lev_fieldy; y++)
3745     for(x=0; x<lev_fieldx; x++)
3746       if (Feld[x][y] != level.field[x][y])
3747         level_changed = TRUE;
3748
3749   return level_changed;
3750 }
3751
3752 static boolean LevelContainsPlayer()
3753 {
3754   boolean player_found = FALSE;
3755   int x, y;
3756
3757   for(y=0; y<lev_fieldy; y++)
3758     for(x=0; x<lev_fieldx; x++)
3759       if (Feld[x][y] == EL_PLAYER_1 ||
3760           Feld[x][y] == EL_SP_MURPHY)
3761         player_found = TRUE;
3762
3763   return player_found;
3764 }
3765
3766 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
3767                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
3768 {
3769   int x, y;
3770
3771   for(x=0; x<lev_fieldx; x++)
3772     for(y=0; y<lev_fieldy; y++)
3773       dst[x][y] = src[x][y];
3774 }
3775
3776 static void CopyCustomElementPropertiesToEditor(int element)
3777 {
3778   int i;
3779
3780   /* needed here to initialize combined element properties */
3781   InitElementPropertiesEngine(level.game_version);
3782
3783   custom_element = element_info[element];
3784
3785   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3786     custom_element_properties[i] = HAS_PROPERTY(element, i);
3787
3788   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3789     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
3790
3791   /* ---------- element settings: configure (custom elements) ------------- */
3792
3793   /* set accessible layer selectbox help value */
3794   custom_element.access_type =
3795     (IS_WALKABLE(element) ? EP_WALKABLE :
3796      IS_PASSABLE(element) ? EP_PASSABLE :
3797      custom_element.access_type);
3798   custom_element.access_layer =
3799     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
3800      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
3801      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
3802      custom_element.access_layer);
3803   custom_element_properties[EP_ACCESSIBLE] =
3804     (IS_ACCESSIBLE_OVER(element) ||
3805      IS_ACCESSIBLE_INSIDE(element) ||
3806      IS_ACCESSIBLE_UNDER(element));
3807
3808   /* set walk-to-object action selectbox help value */
3809   custom_element.walk_to_action =
3810     (IS_DIGGABLE(element) ? EP_DIGGABLE :
3811      IS_COLLECTIBLE(element) ? EP_COLLECTIBLE :
3812      IS_PUSHABLE(element) ? EP_PUSHABLE :
3813      custom_element.walk_to_action);
3814   custom_element_properties[EP_WALK_TO_OBJECT] =
3815     (IS_DIGGABLE(element) ||
3816      IS_COLLECTIBLE(element) ||
3817      IS_PUSHABLE(element));
3818
3819   /* set smash targets selectbox help value */
3820   custom_element.smash_targets =
3821     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
3822      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
3823      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
3824      custom_element.smash_targets);
3825   custom_element_properties[EP_CAN_SMASH] =
3826     (CAN_SMASH_EVERYTHING(element) ||
3827      CAN_SMASH_ENEMIES(element) ||
3828      CAN_SMASH_PLAYER(element));
3829
3830   /* set deadliness selectbox help value */
3831   custom_element.deadliness =
3832     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
3833      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
3834      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
3835      custom_element.deadliness);
3836   custom_element_properties[EP_DEADLY] =
3837     (DONT_TOUCH(element) ||
3838      DONT_COLLIDE_WITH(element) ||
3839      DONT_RUN_INTO(element));
3840
3841   /* set consistency selectbox help value */
3842   custom_element.consistency =
3843     (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
3844      CAN_EXPLODE(element) ? EP_CAN_EXPLODE :
3845      custom_element.consistency);
3846   custom_element_properties[EP_EXPLODE_RESULT] =
3847     (IS_INDESTRUCTIBLE(element) ||
3848      CAN_EXPLODE(element));
3849
3850   /* special case: sub-settings dependent from main setting */
3851   if (CAN_EXPLODE_BY_FIRE(element))
3852     custom_element.can_explode_by_fire = TRUE;
3853   if (CAN_EXPLODE_SMASHED(element))
3854     custom_element.can_explode_smashed = TRUE;
3855   if (CAN_EXPLODE_IMPACT(element))
3856     custom_element.can_explode_impact  = TRUE;
3857
3858   /* ---------- element settings: advanced (custom elements) --------------- */
3859
3860   /* set change by player selectbox help value */
3861   custom_element.change_player_action =
3862     (HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
3863      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
3864      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
3865      custom_element.change_player_action);
3866
3867   /* set change by collision selectbox help value */
3868   custom_element.change_collide_action =
3869     (HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
3870      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
3871      HAS_CHANGE_EVENT(element, CE_COLLISION) ? CE_COLLISION :
3872      custom_element.change_collide_action);
3873
3874   /* set change by other element action selectbox help value */
3875   custom_element.change_other_action =
3876     (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
3877      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
3878      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
3879      HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
3880      HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
3881      HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
3882      HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
3883      custom_element.change_other_action);
3884 }
3885
3886 static void CopyCustomElementPropertiesToGame(int element)
3887 {
3888   int i;
3889   int access_type_and_layer;
3890
3891   if (level.use_custom_template)
3892   {
3893     if (Request("Copy and modify level tem- plate ?", REQ_ASK))
3894     {
3895       level.use_custom_template = FALSE;
3896       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
3897                    GDI_CHECKED, FALSE, GDI_END);
3898     }
3899     else
3900     {
3901       LoadLevelTemplate(-1);
3902
3903       DrawEditModeWindow();
3904     }
3905   }
3906
3907   element_info[element] = custom_element;
3908
3909   /* ---------- element settings: configure (custom elements) ------------- */
3910
3911   /* set accessible property from checkbox and selectbox */
3912   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
3913   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
3914   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
3915   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
3916   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
3917   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
3918   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
3919                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
3920                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
3921   custom_element_properties[access_type_and_layer] =
3922     custom_element_properties[EP_ACCESSIBLE];
3923
3924   /* set walk-to-object property from checkbox and selectbox */
3925   custom_element_properties[EP_DIGGABLE] = FALSE;
3926   custom_element_properties[EP_COLLECTIBLE] = FALSE;
3927   custom_element_properties[EP_PUSHABLE] = FALSE;
3928   custom_element_properties[custom_element.walk_to_action] =
3929     custom_element_properties[EP_WALK_TO_OBJECT];
3930
3931   /* set smash property from checkbox and selectbox */
3932   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
3933   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
3934   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
3935   custom_element_properties[custom_element.smash_targets] =
3936     custom_element_properties[EP_CAN_SMASH];
3937
3938   /* set deadliness property from checkbox and selectbox */
3939   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
3940   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
3941   custom_element_properties[EP_DONT_TOUCH] = FALSE;
3942   custom_element_properties[custom_element.deadliness] =
3943     custom_element_properties[EP_DEADLY];
3944
3945   /* set consistency property from checkbox and selectbox */
3946   custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
3947   custom_element_properties[EP_CAN_EXPLODE] = FALSE;
3948   custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
3949   custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
3950   custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
3951   custom_element_properties[custom_element.consistency] =
3952     custom_element_properties[EP_EXPLODE_RESULT];
3953
3954   /* special case: sub-settings dependent from main setting */
3955   if (custom_element_properties[EP_CAN_EXPLODE])
3956   {
3957     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
3958       custom_element.can_explode_by_fire;
3959     custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
3960       custom_element.can_explode_smashed;
3961     custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
3962       custom_element.can_explode_impact;
3963   }
3964
3965   /* ---------- element settings: advanced (custom elements) --------------- */
3966
3967   /* set player change event from checkbox and selectbox */
3968   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
3969   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
3970   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
3971   custom_element_change_events[custom_element.change_player_action] =
3972     custom_element_change_events[CE_BY_PLAYER];
3973
3974   /* set collision change event from checkbox and selectbox */
3975   custom_element_change_events[CE_COLLISION] = FALSE;
3976   custom_element_change_events[CE_IMPACT] = FALSE;
3977   custom_element_change_events[CE_SMASHED] = FALSE;
3978   custom_element_change_events[custom_element.change_collide_action] =
3979     custom_element_change_events[CE_BY_COLLISION];
3980
3981   /* set other element action change event from checkbox and selectbox */
3982   custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
3983   custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
3984   custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
3985   custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
3986   custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
3987   custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
3988   custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
3989   custom_element_change_events[custom_element.change_other_action] =
3990     custom_element_change_events[CE_BY_OTHER];
3991
3992   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3993     SET_PROPERTY(element, i, custom_element_properties[i]);
3994
3995   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3996     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
3997
3998   /* copy change events also to special level editor variable */
3999   custom_element = element_info[element];
4000 }
4001
4002 void DrawLevelEd()
4003 {
4004   CloseDoor(DOOR_CLOSE_ALL);
4005   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
4006
4007   if (level_editor_test_game)
4008   {
4009     CopyPlayfield(level.field, Feld);
4010     CopyPlayfield(FieldBackup, level.field);
4011
4012     level_editor_test_game = FALSE;
4013   }
4014   else
4015   {
4016     edit_mode = ED_MODE_DRAWING;
4017     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
4018
4019     ResetUndoBuffer();
4020
4021     level_xpos = -1;
4022     level_ypos = -1;
4023   }
4024
4025   /* copy default editor door content to main double buffer */
4026   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
4027              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
4028
4029 #if 0
4030   /* draw mouse button brush elements */
4031   RedrawDrawingElements();
4032 #endif
4033
4034   /* draw bigger door */
4035   DrawSpecialEditorDoor();
4036
4037   /* draw new control window */
4038   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
4039              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
4040
4041   redraw_mask |= REDRAW_ALL;
4042
4043   ReinitializeElementListButtons();     /* only needed after setup changes */
4044 #if 0
4045   ModifyEditorElementList();            /* may be needed for custom elements */
4046 #endif
4047
4048   UnmapTapeButtons();
4049   MapControlButtons();
4050
4051   DrawEditModeWindow();
4052
4053   /* copy actual editor door content to door double buffer for OpenDoor() */
4054   BlitBitmap(drawto, bitmap_db_door,
4055              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
4056
4057   OpenDoor(DOOR_OPEN_1);
4058 }
4059
4060 static void AdjustDrawingAreaGadgets()
4061 {
4062   int ed_xsize = lev_fieldx + 2;
4063   int ed_ysize = lev_fieldy + 2;
4064   int max_ed_fieldx = MAX_ED_FIELDX;
4065   int max_ed_fieldy = MAX_ED_FIELDY;
4066   boolean horizontal_scrollbar_needed;
4067   boolean vertical_scrollbar_needed;
4068   int x, y, width, height;
4069   int xoffset, yoffset;
4070
4071   /* check if we need any scrollbars */
4072   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
4073   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
4074
4075   /* check if we have a smaller editor field because of scrollbars */
4076   if (horizontal_scrollbar_needed)
4077     max_ed_fieldy = MAX_ED_FIELDY - 1;
4078   if (vertical_scrollbar_needed)
4079     max_ed_fieldx = MAX_ED_FIELDX - 1;
4080
4081   /* check again if we now need more scrollbars because of less space */
4082   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
4083   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
4084
4085   /* check if editor field gets even smaller after adding new scrollbars */
4086   if (horizontal_scrollbar_needed)
4087     max_ed_fieldy = MAX_ED_FIELDY - 1;
4088   if (vertical_scrollbar_needed)
4089     max_ed_fieldx = MAX_ED_FIELDX - 1;
4090
4091   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
4092   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
4093
4094   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
4095                GDI_WIDTH, ed_fieldx * MINI_TILEX,
4096                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
4097                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
4098                GDI_END);
4099
4100   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
4101   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
4102
4103   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
4104   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
4105
4106   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
4107   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
4108
4109   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
4110   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
4111
4112   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
4113                GDI_WIDTH, width,
4114                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
4115                GDI_END);
4116   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
4117                GDI_HEIGHT, height,
4118                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
4119                GDI_END);
4120 }
4121
4122 static void AdjustLevelScrollPosition()
4123 {
4124   if (level_xpos < -1)
4125     level_xpos = -1;
4126   if (level_xpos > lev_fieldx - ed_fieldx + 1)
4127     level_xpos = lev_fieldx - ed_fieldx + 1;
4128   if (lev_fieldx < ed_fieldx - 2)
4129     level_xpos = -1;
4130
4131   if (level_ypos < -1)
4132     level_ypos = -1;
4133   if (level_ypos > lev_fieldy - ed_fieldy + 1)
4134     level_ypos = lev_fieldy - ed_fieldy + 1;
4135   if (lev_fieldy < ed_fieldy - 2)
4136     level_ypos = -1;
4137 }
4138
4139 static void AdjustEditorScrollbar(int id)
4140 {
4141   struct GadgetInfo *gi = level_editor_gadget[id];
4142   int items_max, items_visible, item_position;
4143
4144   if (id == GADGET_ID_SCROLL_HORIZONTAL)
4145   {
4146     items_max = MAX(lev_fieldx + 2, ed_fieldx);
4147     items_visible = ed_fieldx;
4148     item_position = level_xpos + 1;
4149   }
4150   else
4151   {
4152     items_max = MAX(lev_fieldy + 2, ed_fieldy);
4153     items_visible = ed_fieldy;
4154     item_position = level_ypos + 1;
4155   }
4156
4157   if (item_position > items_max - items_visible)
4158     item_position = items_max - items_visible;
4159
4160   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
4161                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
4162 }
4163
4164 static void ModifyEditorCounter(int counter_id, int new_value)
4165 {
4166   int *counter_value = counterbutton_info[counter_id].value;
4167   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4168   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4169
4170   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
4171
4172   if (counter_value != NULL)
4173     *counter_value = gi->text.number_value;
4174 }
4175
4176 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
4177 {
4178   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
4179   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4180
4181   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
4182 }
4183
4184 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
4185 {
4186   int gadget_id = selectbox_info[selectbox_id].gadget_id;
4187   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4188   int new_index_value = 0;
4189   int i;
4190
4191   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
4192     if (selectbox_info[selectbox_id].options[i].value == new_value)
4193       new_index_value = i;
4194
4195   *selectbox_info[selectbox_id].value =
4196     selectbox_info[selectbox_id].options[new_index_value].value;
4197
4198   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
4199 }
4200
4201 static void ModifyEditorElementList()
4202 {
4203   int i;
4204
4205   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
4206   {
4207     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
4208     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4209     struct GadgetDesign *gd = &gi->deco.design;
4210     int element = editor_elements[element_shift + i];
4211
4212     UnmapGadget(gi);
4213     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
4214     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
4215     MapGadget(gi);
4216   }
4217 }
4218
4219 static void PickDrawingElement(int button, int element)
4220 {
4221   if (button < 1 || button > 3)
4222     return;
4223
4224   if (button == 1)
4225   {
4226     new_element1 = element;
4227     DrawMiniGraphicExt(drawto,
4228                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
4229                        el2edimg(new_element1));
4230   }
4231   else if (button == 2)
4232   {
4233     new_element2 = element;
4234     DrawMiniGraphicExt(drawto,
4235                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
4236                        el2edimg(new_element2));
4237   }
4238   else
4239   {
4240     new_element3 = element;
4241     DrawMiniGraphicExt(drawto,
4242                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
4243                        el2edimg(new_element3));
4244   }
4245
4246   redraw_mask |= REDRAW_DOOR_1;
4247 }
4248
4249 static void RedrawDrawingElements()
4250 {
4251   PickDrawingElement(1, new_element1);
4252   PickDrawingElement(2, new_element2);
4253   PickDrawingElement(3, new_element3);
4254 }
4255
4256 static void DrawDrawingWindow()
4257 {
4258   stick_element_properties_window = FALSE;
4259
4260   SetMainBackgroundImage(IMG_UNDEFINED);
4261   ClearWindow();
4262   UnmapLevelEditorWindowGadgets();
4263
4264   AdjustDrawingAreaGadgets();
4265   AdjustLevelScrollPosition();
4266   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
4267   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
4268
4269   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4270   MapMainDrawingArea();
4271 }
4272
4273 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
4274                               boolean input)
4275 {
4276   int border_graphic =
4277     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
4278   Bitmap *src_bitmap;
4279   int src_x, src_y;
4280   int num_mini_tilex = width / MINI_TILEX + 1;
4281   int num_mini_tiley = width / MINI_TILEY + 1;
4282   int x, y;
4283
4284   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
4285
4286   for (y=0; y < num_mini_tiley; y++)
4287     for (x=0; x < num_mini_tilex; x++)
4288       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
4289                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
4290                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
4291
4292   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
4293 }
4294
4295 static void DrawRandomPlacementBackgroundArea()
4296 {
4297   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_RANDOM_BACKGROUND];
4298 #if 0
4299   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
4300   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
4301   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
4302   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
4303 #endif
4304
4305   DrawElementBorder(gi->x, gi->y, MINI_TILEX, MINI_TILEY, TRUE);
4306   DrawMiniElement(gi->x, gi->y, random_placement_background_element);
4307
4308   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
4309 }
4310
4311 static void DrawLevelInfoWindow()
4312 {
4313   int i;
4314
4315   stick_element_properties_window = FALSE;
4316
4317   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4318   ClearWindow();
4319   UnmapLevelEditorWindowGadgets();
4320
4321   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4322            "Level Settings", FONT_TITLE_1);
4323   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
4324            "Editor Settings", FONT_TITLE_1);
4325
4326   /* draw counter gadgets */
4327   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
4328     MapCounterButtons(i);
4329
4330   /* draw checkbutton gadgets */
4331   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
4332     MapCheckbuttonGadget(i);
4333
4334   /* draw radiobutton gadgets */
4335   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
4336     MapRadiobuttonGadget(i);
4337
4338   /* draw text input gadgets */
4339   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
4340     MapTextInputGadget(i);
4341
4342   /* draw drawing area */
4343   DrawRandomPlacementBackgroundArea();
4344 }
4345
4346 static void DrawAmoebaContentArea()
4347 {
4348   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
4349   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
4350   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
4351   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
4352
4353   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
4354   DrawMiniElement(area_x, area_y, level.amoeba_content);
4355
4356   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
4357
4358   MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
4359 }
4360
4361 static void DrawCustomGraphicElementArea()
4362 {
4363   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_GRAPHIC];
4364 #if 0
4365   int xpos = ED_AREA_ELEM_CONTENT3_XPOS;
4366   int ypos = ED_AREA_ELEM_CONTENT3_YPOS;
4367   int area_sx = SX + xpos;
4368   int area_sy = SY + ypos;
4369 #endif
4370
4371   if (!IS_CUSTOM_ELEMENT(properties_element))
4372   {
4373     /* this should never happen */
4374     Error(ERR_WARN, "element %d is no custom element", properties_element);
4375
4376     return;
4377   }
4378
4379   DrawElementBorder(gi->x, gi->y, MINI_TILEX, MINI_TILEY, TRUE);
4380   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4381                      el2edimg(custom_element.gfx_element));
4382
4383   MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
4384 }
4385
4386 static void DrawCustomContentArea()
4387 {
4388   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CONTENT];
4389 #if 0
4390   int area_sx = SX + ED_AREA_ELEM_CONTENT4_XPOS;
4391   int area_sy = SY + ED_AREA_ELEM_CONTENT4_YPOS;
4392 #endif
4393   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
4394   int x2 = right_gadget_border[GADGET_ID_CUSTOM_CONSISTENCY];
4395   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
4396   int xoffset = ED_GADGET_TEXT_DISTANCE + MINI_TILEX / 2;
4397   int x, y;
4398
4399   if (!IS_CUSTOM_ELEMENT(properties_element))
4400   {
4401     /* this should never happen */
4402     Error(ERR_WARN, "element %d is no custom element", properties_element);
4403
4404     return;
4405   }
4406
4407   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
4408
4409   DrawElementBorder(gi->x, gi->y, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4410
4411   for (y=0; y<3; y++)
4412     for (x=0; x<3; x++)
4413       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
4414                          el2edimg(custom_element.content[x][y]));
4415
4416   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
4417 }
4418
4419 static void DrawCustomChangeTargetArea()
4420 {
4421   int id = ED_DRAWING_ID_CUSTOM_CHANGE_TARGET;
4422   int gadget_id = drawingarea_info[id].gadget_id;
4423   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4424 #if 0
4425   int xpos = ED_AREA_ELEM_CONTENT2_XPOS;
4426   int ypos = ED_AREA_ELEM_CONTENT2_YPOS;
4427   int area_sx = SX + xpos;
4428   int area_sy = SY + ypos;
4429 #endif
4430   int xoffset_left = 0;
4431   int yoffset_left = ED_BORDER_AREA_YSIZE;
4432   int xoffset_right = ED_GADGET_TEXT_DISTANCE + MINI_TILEX / 2;
4433   int yoffset_right = ED_BORDER_AREA_YSIZE;
4434   int x = drawingarea_info[id].x + xoffset_left;
4435   int y = drawingarea_info[id].y + yoffset_left;
4436
4437   if (!IS_CUSTOM_ELEMENT(properties_element))
4438   {
4439     /* this should never happen */
4440     Error(ERR_WARN, "element %d is no custom element", properties_element);
4441
4442     return;
4443   }
4444
4445   DrawElementBorder(gi->x, gi->y, MINI_TILEX, MINI_TILEY, TRUE);
4446   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4447                      el2edimg(custom_element.change.target_element));
4448
4449   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
4450
4451   if (drawingarea_info[id].text_left)
4452     DrawTextF(x, y, FONT_TEXT_1, drawingarea_info[id].text_left);
4453
4454   if (drawingarea_info[id].text_right)
4455   {
4456     x = gi->x + gi->width + xoffset_right;
4457     y = SY + drawingarea_info[id].y + yoffset_right;
4458
4459     DrawText(x, y, drawingarea_info[id].text_right, FONT_TEXT_1);
4460   }
4461 }
4462
4463 static void DrawCustomChangeContentArea()
4464 {
4465   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_CONTENT];
4466 #if 0
4467   int area_sx = SX + ED_AREA_ELEM_CONTENT6_XPOS;
4468   int area_sy = SY + ED_AREA_ELEM_CONTENT6_YPOS;
4469 #endif
4470   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
4471   int x2 = right_gadget_border[GADGET_ID_CHANGE_POWER];
4472   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
4473   int xoffset = ED_GADGET_TEXT_DISTANCE + MINI_TILEX / 2;
4474   int x, y;
4475
4476   if (!IS_CUSTOM_ELEMENT(properties_element))
4477   {
4478     /* this should never happen */
4479     Error(ERR_WARN, "element %d is no custom element", properties_element);
4480
4481     return;
4482   }
4483
4484   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
4485
4486   DrawElementBorder(gi->x, gi->y, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4487
4488   for (y=0; y<3; y++)
4489     for (x=0; x<3; x++)
4490       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
4491                          el2edimg(custom_element.change.content[x][y]));
4492
4493   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT);
4494 }
4495
4496 static void DrawCustomChangeTriggerArea()
4497 {
4498   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TRIGGER];
4499 #if 0
4500   int xpos = ED_AREA_ELEM_CONTENT5_XPOS;
4501   int ypos = ED_AREA_ELEM_CONTENT5_YPOS;
4502   int area_sx = SX + xpos;
4503   int area_sy = SY + ypos;
4504 #endif
4505
4506   if (!IS_CUSTOM_ELEMENT(properties_element))
4507   {
4508     /* this should never happen */
4509     Error(ERR_WARN, "element %d is no custom element", properties_element);
4510
4511     return;
4512   }
4513
4514   DrawElementBorder(gi->x, gi->y, MINI_TILEX, MINI_TILEY, TRUE);
4515   DrawMiniGraphicExt(drawto, gi->x, gi->y,
4516                      el2edimg(custom_element.change.trigger_element));
4517
4518   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
4519 }
4520
4521 static void DrawElementContentAreas()
4522 {
4523   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
4524   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
4525   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
4526   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
4527   int i, x, y;
4528
4529   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
4530     UnmapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
4531
4532   /* display counter to choose number of element content areas */
4533   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
4534
4535   /* delete content areas in case of reducing number of them */
4536   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
4537
4538   for (i=0; i<level.num_yamyam_contents; i++)
4539     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
4540                       area_sy + 6 * (i / 4) * MINI_TILEY,
4541                       3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
4542
4543   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
4544            "Content", FONT_TEXT_1);
4545   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
4546            "when",    FONT_TEXT_1);
4547   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
4548            "smashed", FONT_TEXT_1);
4549
4550   for (i=0; i<level.num_yamyam_contents; i++)
4551   {
4552     for (y=0; y<3; y++)
4553       for (x=0; x<3; x++)
4554         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
4555                         level.yamyam_content[i][x][y]);
4556
4557     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
4558               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
4559               FONT_TEXT_1, "%d", i + 1);
4560   }
4561
4562   for (i=0; i<level.num_yamyam_contents; i++)
4563     MapDrawingArea(ED_DRAWING_ID_ELEMENT_CONTENT_0 + i);
4564 }
4565
4566 char *getElementDescriptionFilename(int element)
4567 {
4568   char *docs_dir = options.docs_directory;
4569   char *elements_subdir = "elements";
4570   static char *filename = NULL;
4571   char basename[MAX_FILENAME_LEN];
4572
4573   if (filename != NULL)
4574     free(filename);
4575
4576   /* 1st try: look for element description file for exactly this element */
4577   sprintf(basename, "%s.txt", element_info[element].token_name);
4578   filename = getPath3(docs_dir, elements_subdir, basename);
4579   if (fileExists(filename))
4580     return filename;
4581
4582   free(filename);
4583
4584   /* 2nd try: look for element description file for this element's class */
4585   sprintf(basename, "%s.txt", element_info[element].class_name);
4586   filename = getPath3(docs_dir, elements_subdir, basename);
4587   if (fileExists(filename))
4588     return filename;
4589
4590   return NULL;
4591 }
4592
4593 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
4594 {
4595   int font_height = getFontHeight(font_nr);
4596   int pad_x = ED_SETTINGS_XPOS(0);
4597   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4598   int sx = SX + pad_x;
4599   int sy = SY + pad_y;
4600   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
4601
4602   if (screen_line >= max_lines_per_screen)
4603     return FALSE;
4604
4605   DrawText(sx, sy + screen_line * font_height, text, font_nr);
4606
4607   return TRUE;
4608 }
4609
4610 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
4611 {
4612   int font_nr = FONT_TEXT_2;
4613   int font_width = getFontWidth(font_nr);
4614   int pad_x = ED_SETTINGS_XPOS(0);
4615   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
4616   char line[MAX_LINE_LEN];
4617   char buffer[max_chars_per_line + 1];
4618   int buffer_len;
4619   int lines_printed = 0;
4620   FILE *file;
4621
4622   if (filename == NULL)
4623     return 0;
4624
4625   if (!(file = fopen(filename, MODE_READ)))
4626     return 0;
4627
4628   buffer[0] = '\0';
4629   buffer_len = 0;
4630
4631   while(!feof(file))
4632   {
4633     char *line_ptr, *word_ptr;
4634     boolean last_line_was_empty = TRUE;
4635
4636     /* read next line of input file */
4637     if (!fgets(line, MAX_LINE_LEN, file))
4638       break;
4639
4640     /* skip comments (lines directly beginning with '#') */
4641     if (line[0] == '#')
4642       continue;
4643
4644     /* cut trailing newline from input line */
4645     for (line_ptr = line; *line_ptr; line_ptr++)
4646     {
4647       if (*line_ptr == '\n' || *line_ptr == '\r')
4648       {
4649         *line_ptr = '\0';
4650         break;
4651       }
4652     }
4653
4654     if (strlen(line) == 0)              /* special case: force empty line */
4655       strcpy(line, "\n");
4656
4657     word_ptr = line;
4658
4659     while (*word_ptr)
4660     {
4661       boolean print_buffer = FALSE;
4662       int word_len;
4663
4664       /* skip leading whitespaces */
4665       while (*word_ptr == ' ' || *word_ptr == '\t')
4666         word_ptr++;
4667
4668       line_ptr = word_ptr;
4669       word_len = 0;
4670
4671       /* look for end of next word */
4672       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
4673       {
4674         line_ptr++;
4675         word_len++;
4676       }
4677
4678       if (word_len == 0)
4679       {
4680         continue;
4681       }
4682       else if (*word_ptr == '\n')       /* special case: force empty line */
4683       {
4684         if (buffer_len == 0)
4685           word_ptr++;
4686
4687         /* prevent printing of multiple empty lines */
4688         if (buffer_len > 0 || !last_line_was_empty)
4689           print_buffer = TRUE;
4690       }
4691       else if (word_len < max_chars_per_line - buffer_len)
4692       {
4693         /* word fits into text buffer -- add word */
4694
4695         if (buffer_len > 0)
4696           buffer[buffer_len++] = ' ';
4697
4698         strncpy(&buffer[buffer_len], word_ptr, word_len);
4699         buffer_len += word_len;
4700         buffer[buffer_len] = '\0';
4701         word_ptr += word_len;
4702       }
4703       else if (buffer_len > 0)
4704       {
4705         /* not enough space left for word in text buffer -- print buffer */
4706
4707         print_buffer = TRUE;
4708       }
4709       else
4710       {
4711         /* word does not fit at all into empty text buffer -- cut word */
4712
4713         strncpy(buffer, word_ptr, max_chars_per_line);
4714         buffer[max_chars_per_line] = '\0';
4715         word_ptr += max_chars_per_line;
4716         print_buffer = TRUE;
4717       }
4718
4719       if (print_buffer)
4720       {
4721         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4722           return lines_printed;
4723
4724         last_line_was_empty = (buffer_len == 0);
4725         lines_printed++;
4726
4727         buffer[0] = '\0';
4728         buffer_len = 0;
4729         print_buffer = FALSE;
4730       }
4731     }
4732   }
4733
4734   fclose(file);
4735
4736   if (buffer_len > 0)
4737     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4738       lines_printed++;
4739
4740   return lines_printed;
4741 }
4742
4743 static void DrawPropertiesTabulatorGadgets()
4744 {
4745   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
4746   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
4747   int gd_x = gd->x + gd_gi->border.width / 2;
4748   int gd_y = gd->y + gd_gi->height - 1;
4749   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
4750   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
4751   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
4752   int i;
4753
4754   /* draw additional "advanced" tabulator for custom elements */
4755   if (IS_CUSTOM_ELEMENT(properties_element))
4756     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
4757
4758   for (i=id_first; i <= id_last; i++)
4759   {
4760     int gadget_id = textbutton_info[i].gadget_id;
4761     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4762     boolean active = (i != edit_mode_properties);
4763
4764     /* draw background line below tabulator button */
4765     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
4766
4767     /* draw solid line below inactive tabulator buttons */
4768     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
4769       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
4770
4771     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
4772     MapTextbuttonGadget(i);
4773   }
4774
4775   /* draw little border line below tabulator buttons */
4776   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
4777     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
4778                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
4779                   ED_GADGET_DISTANCE, tab_color);
4780 }
4781
4782 static void DrawPropertiesInfo()
4783 {
4784   static struct
4785   {
4786     int value;
4787     char *text;
4788   }
4789   properties[] =
4790   {
4791     /* configurable properties */
4792     { EP_INDESTRUCTIBLE,        "- undestructible"                      },
4793     { EP_SLIPPERY,              "- slippery for falling objects"        },
4794     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
4795
4796     { EP_DIGGABLE,              "- diggable"                            },
4797     { EP_COLLECTIBLE,           "- collectible"                         },
4798     { EP_PUSHABLE,              "- pushable"                            },
4799
4800     { EP_CAN_MOVE,              "- can move"                            },
4801     { EP_CAN_FALL,              "- can fall"                            },
4802 #if 0
4803     { EP_CAN_SMASH,             "- can smash"                           },
4804 #endif
4805     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
4806     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
4807     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
4808     { EP_CAN_EXPLODE,           "- can explode"                         },
4809     { EP_CAN_EXPLODE_BY_FIRE,   "  - by fire or explosions"             },
4810     { EP_CAN_EXPLODE_SMASHED,   "  - when smashed"                      },
4811     { EP_CAN_EXPLODE_IMPACT,    "  - on impact"                         },
4812
4813     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
4814     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
4815     { EP_DONT_TOUCH,            "- deadly when touching"                },
4816
4817     { EP_WALKABLE_OVER,         "- player can walk over it"             },
4818     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
4819     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
4820     { EP_PASSABLE_OVER,         "- player can pass over it"             },
4821     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
4822     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
4823
4824     /* pre-defined properties */
4825     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
4826     { EP_HAS_CONTENT,           "- can contain other elements"          },
4827
4828     { -1,                       NULL                                    }
4829   };
4830   char *filename = getElementDescriptionFilename(properties_element);
4831   char *percentage_text = "In this level:";
4832   char *properties_text = "Standard properties:";
4833   float percentage;
4834   int num_elements_in_level;
4835   int num_standard_properties = 0;
4836   int font1_nr = FONT_TEXT_1;
4837   int font2_nr = FONT_TEXT_2;
4838   int font1_width = getFontWidth(font1_nr);
4839   int font2_height = getFontHeight(font2_nr);
4840   int pad_x = ED_SETTINGS_XPOS(0);
4841   int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
4842   int screen_line = 0;
4843   int i, x, y;
4844
4845   /* ----- print number of elements / percentage of this element in level */
4846
4847   num_elements_in_level = 0;
4848   for (y=0; y<lev_fieldy; y++)
4849     for (x=0; x<lev_fieldx; x++)
4850       if (Feld[x][y] == properties_element)
4851         num_elements_in_level++;
4852   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
4853
4854   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
4855             percentage_text);
4856   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
4857             pad_y + screen_line++ * font2_height, font2_nr,
4858             "%d (%.2f%%)", num_elements_in_level, percentage);
4859
4860   screen_line++;
4861
4862   /* ----- print standard properties of this element */
4863
4864   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
4865             properties_text);
4866
4867   for (i=0; properties[i].value != -1; i++)
4868   {
4869     if (!HAS_PROPERTY(properties_element, properties[i].value))
4870       continue;
4871
4872     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
4873               properties[i].text);
4874     num_standard_properties++;
4875   }
4876
4877   if (num_standard_properties == 0)
4878     DrawTextF(pad_x + strlen(properties_text) * font1_width,
4879               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
4880
4881   screen_line++;
4882
4883   /* ----- print special description of this element */
4884
4885   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
4886   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
4887     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
4888 }
4889
4890 #define TEXT_COLLECTING         "Score for collecting"
4891 #define TEXT_SMASHING           "Score for smashing"
4892 #define TEXT_CRACKING           "Score for cracking"
4893 #define TEXT_SPEED              "Speed of amoeba growth"
4894 #define TEXT_DURATION           "Duration when activated"
4895
4896 static struct
4897 {
4898   int element;
4899   int *value;
4900   char *text;
4901 } elements_with_counter[] =
4902 {
4903   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
4904   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
4905   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4906   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4907   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4908   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4909   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
4910   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
4911   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
4912   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
4913   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
4914   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
4915   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
4916   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
4917   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
4918   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
4919   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
4920   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
4921   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4922   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4923   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4924   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4925   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4926   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4927   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4928   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4929   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4930   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4931   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4932   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
4933   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
4934   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
4935   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4936   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4937   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
4938   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
4939   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
4940   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4941   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4942   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4943   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4944   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
4945   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
4946   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
4947   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
4948   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
4949   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4950   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4951   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4952   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4953   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
4954   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
4955   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
4956   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
4957   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
4958   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
4959   { -1,                 NULL,                           NULL            }
4960 };
4961
4962 static boolean checkPropertiesConfig()
4963 {
4964   int i;
4965
4966   if (IS_GEM(properties_element) ||
4967       IS_CUSTOM_ELEMENT(properties_element) ||
4968       HAS_CONTENT(properties_element))
4969     return TRUE;
4970   else
4971     for (i=0; elements_with_counter[i].element != -1; i++)
4972       if (elements_with_counter[i].element == properties_element)
4973         return TRUE;
4974
4975   return FALSE;
4976 }
4977
4978 static void DrawPropertiesConfig()
4979 {
4980   int i;
4981
4982   if (!checkPropertiesConfig())
4983   {
4984     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
4985
4986     return;
4987   }
4988
4989   /* check if there are elements where a score can be chosen for */
4990   for (i=0; elements_with_counter[i].element != -1; i++)
4991   {
4992     if (elements_with_counter[i].element == properties_element)
4993     {
4994       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
4995
4996       counterbutton_info[counter_id].value = elements_with_counter[i].value;
4997       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
4998       MapCounterButtons(counter_id);
4999
5000       break;
5001     }
5002   }
5003
5004   if (HAS_CONTENT(properties_element))
5005   {
5006     /* draw stickybutton gadget */
5007     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
5008     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
5009     MapCheckbuttonGadget(i);
5010
5011     if (IS_AMOEBOID(properties_element))
5012       DrawAmoebaContentArea();
5013     else
5014       DrawElementContentAreas();
5015   }
5016
5017   if (IS_GEM(properties_element))
5018     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
5019
5020   if (IS_CUSTOM_ELEMENT(properties_element))
5021   {
5022     /* draw stickybutton gadget */
5023     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
5024     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
5025     MapCheckbuttonGadget(i);
5026
5027     /* draw checkbutton gadgets */
5028     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
5029          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
5030       MapCheckbuttonGadget(i);
5031
5032     /* draw counter gadgets */
5033     for (i=ED_COUNTER_ID_CUSTOM_FIRST; i<=ED_COUNTER_ID_CUSTOM_LAST; i++)
5034       MapCounterButtons(i);
5035
5036     /* draw selectbox gadgets */
5037     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
5038       MapSelectboxGadget(i);
5039
5040     /* draw drawing area gadgets */
5041     DrawCustomContentArea();
5042
5043     /* draw text input gadgets */
5044     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
5045   }
5046 }
5047
5048 static void DrawPropertiesAdvancedDrawingAreas()
5049 {
5050   DrawCustomGraphicElementArea();
5051   DrawCustomChangeTargetArea();
5052   DrawCustomChangeTriggerArea();
5053   DrawCustomChangeContentArea();
5054
5055   redraw_mask |= REDRAW_FIELD;
5056 }
5057
5058 static void DrawPropertiesAdvanced()
5059 {
5060   int i;
5061
5062   /* draw stickybutton gadget */
5063   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
5064   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
5065   MapCheckbuttonGadget(i);
5066
5067   /* draw checkbutton gadgets */
5068   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
5069        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
5070     MapCheckbuttonGadget(i);
5071
5072   /* draw counter gadgets */
5073   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
5074     MapCounterButtons(i);
5075
5076   /* draw selectbox gadgets */
5077   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
5078     MapSelectboxGadget(i);
5079
5080   /* draw textbutton gadgets */
5081   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
5082
5083   /* draw drawing area gadgets */
5084   DrawPropertiesAdvancedDrawingAreas();
5085 }
5086
5087 static void DrawElementName(int x, int y, int element)
5088 {
5089   char *element_name = getElementInfoText(element);
5090   int font_nr = FONT_TEXT_1;
5091   int font_width = getFontWidth(font_nr);
5092   int font_height = getFontHeight(font_nr);
5093   int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
5094   int max_chars_per_line = max_text_width / font_width;
5095   char buffer[max_chars_per_line + 1];
5096
5097   if (strlen(element_name) <= max_chars_per_line)
5098     DrawTextF(x, y, font_nr, element_name);
5099   else
5100   {
5101     int next_pos = max_chars_per_line;
5102
5103     strncpy(buffer, element_name, max_chars_per_line);
5104     buffer[max_chars_per_line] = '\0';
5105
5106     if (element_name[max_chars_per_line] == ' ')
5107       next_pos++;
5108     else
5109     {
5110       int i;
5111
5112       for (i = max_chars_per_line - 1; i >= 0; i--)
5113         if (buffer[i] == ' ')
5114           break;
5115
5116       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
5117       {
5118         buffer[i] = '\0';
5119         next_pos = i + 1;
5120       }
5121     }
5122
5123     DrawTextF(x, y - font_height / 2, font_nr, buffer);
5124
5125     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
5126     buffer[max_chars_per_line] = '\0';
5127
5128     DrawTextF(x, y + font_height / 2, font_nr, buffer);
5129   }
5130 }
5131
5132 static void DrawPropertiesWindow()
5133 {
5134   int xstart = 2;
5135   int ystart = 4;
5136
5137   stick_element_properties_window = FALSE;
5138
5139   /* make sure that previous properties edit mode exists for this element */
5140   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
5141       !IS_CUSTOM_ELEMENT(properties_element))
5142     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
5143
5144   if (IS_CUSTOM_ELEMENT(properties_element))
5145     CopyCustomElementPropertiesToEditor(properties_element);
5146
5147   UnmapLevelEditorWindowGadgets();
5148
5149   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
5150   ClearWindow();
5151
5152   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
5153            "Element Settings", FONT_TITLE_1);
5154
5155   DrawElementBorder(SX + xstart * MINI_TILEX,
5156                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
5157                     TILEX, TILEY, FALSE);
5158   DrawGraphicAnimationExt(drawto,
5159                           SX + xstart * MINI_TILEX,
5160                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
5161                           el2img(properties_element), -1, NO_MASKING);
5162
5163   FrameCounter = 0;     /* restart animation frame counter */
5164
5165   DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
5166                   properties_element);
5167
5168   DrawPropertiesTabulatorGadgets();
5169
5170   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
5171     DrawPropertiesInfo();
5172   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
5173     DrawPropertiesConfig();
5174   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
5175     DrawPropertiesAdvanced();
5176 }
5177
5178 static void UpdateCustomElementGraphicGadgets()
5179 {
5180   ModifyEditorElementList();
5181   RedrawDrawingElements();
5182
5183   if (edit_mode == ED_MODE_PROPERTIES &&
5184       edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED)
5185     DrawPropertiesAdvancedDrawingAreas();
5186 }
5187
5188 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
5189 {
5190   int lx = sx + level_xpos;
5191   int ly = sy + level_ypos;
5192
5193   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
5194
5195   if (change_level)
5196     Feld[lx][ly] = element;
5197 }
5198
5199 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
5200                      int element, boolean change_level)
5201 {
5202   if (from_y == to_y)                   /* horizontal line */
5203   {
5204     int x;
5205     int y = from_y;
5206
5207     if (from_x > to_x)
5208       swap_numbers(&from_x, &to_x);
5209
5210     for (x=from_x; x<=to_x; x++)
5211       DrawLineElement(x, y, element, change_level);
5212   }
5213   else if (from_x == to_x)              /* vertical line */
5214   {
5215     int x = from_x;
5216     int y;
5217
5218     if (from_y > to_y)
5219       swap_numbers(&from_y, &to_y);
5220
5221     for (y=from_y; y<=to_y; y++)
5222       DrawLineElement(x, y, element, change_level);
5223   }
5224   else                                  /* diagonal line */
5225   {
5226     int len_x = ABS(to_x - from_x);
5227     int len_y = ABS(to_y - from_y);
5228     int x, y;
5229
5230     if (len_y < len_x)                  /* a < 1 */
5231     {
5232       float a = (float)len_y / (float)len_x;
5233
5234       if (from_x > to_x)
5235         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5236
5237       for (x=0; x<=len_x; x++)
5238       {
5239         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
5240         DrawLineElement(from_x + x, from_y + y, element, change_level);
5241       }
5242     }
5243     else                                /* a >= 1 */
5244     {
5245       float a = (float)len_x / (float)len_y;
5246
5247       if (from_y > to_y)
5248         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5249
5250       for (y=0; y<=len_y; y++)
5251       {
5252         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
5253         DrawLineElement(from_x + x, from_y + y, element, change_level);
5254       }
5255     }
5256   }
5257 }
5258
5259 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
5260                     int element, boolean change_level)
5261 {
5262   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
5263   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
5264   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
5265   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
5266 }
5267
5268 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
5269                           int element, boolean change_level)
5270 {
5271   int y;
5272
5273   if (from_y > to_y)
5274     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
5275
5276   for (y=from_y; y<=to_y; y++)
5277     DrawLine(from_x, y, to_x, y, element, change_level);
5278 }
5279
5280 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
5281                        int element, boolean change_level)
5282 {
5283   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
5284   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
5285   int len_x = ABS(to_x - from_x);
5286   int len_y = ABS(to_y - from_y);
5287   int radius, x, y;
5288
5289   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
5290
5291   /* not optimal (some points get drawn twice) but simple,
5292      and fast enough for the few points we are drawing */
5293
5294   for (x=0; x<=radius; x++)
5295   {
5296     int sx, sy, lx, ly;
5297
5298     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
5299
5300     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5301     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5302     lx = sx + level_xpos;
5303     ly = sy + level_ypos;
5304
5305     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5306       DrawLineElement(sx, sy, element, change_level);
5307   }
5308
5309   for (y=0; y<=radius; y++)
5310   {
5311     int sx, sy, lx, ly;
5312
5313     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
5314
5315     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
5316     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
5317     lx = sx + level_xpos;
5318     ly = sy + level_ypos;
5319
5320     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5321       DrawLineElement(sx, sy, element, change_level);
5322   }
5323 }
5324
5325 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
5326                     int element, boolean change_level)
5327 {
5328   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5329   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5330
5331   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5332 }
5333
5334 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
5335 #if DRAW_CIRCLES_BUTTON_AVAILABLE
5336 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
5337                        int element, boolean change_level)
5338 {
5339   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
5340   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
5341   int mirror_to_x2 = from_x - (to_x2 - from_x);
5342   int mirror_to_y2 = from_y - (to_y2 - from_y);
5343
5344   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
5345   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
5346   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
5347   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
5348 }
5349 #endif
5350
5351 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
5352 {
5353   int from_sx, from_sy;
5354   int to_sx, to_sy;
5355
5356   if (from_x > to_x)
5357     swap_numbers(&from_x, &to_x);
5358
5359   if (from_y > to_y)
5360     swap_numbers(&from_y, &to_y);
5361
5362   from_sx = SX + from_x * MINI_TILEX;
5363   from_sy = SY + from_y * MINI_TILEY;
5364   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
5365   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
5366
5367   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
5368   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
5369   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
5370   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
5371
5372   if (from_x == to_x && from_y == to_y)
5373     MarkTileDirty(from_x/2, from_y/2);
5374   else
5375     redraw_mask |= REDRAW_FIELD;
5376 }
5377
5378 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
5379                        int element, boolean change_level)
5380 {
5381   if (element == -1 || change_level)
5382     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
5383   else
5384     DrawAreaBorder(from_x, from_y, to_x, to_y);
5385 }
5386
5387 /* values for CopyBrushExt() */
5388 #define CB_AREA_TO_BRUSH        0
5389 #define CB_BRUSH_TO_CURSOR      1
5390 #define CB_BRUSH_TO_LEVEL       2
5391 #define CB_DELETE_OLD_CURSOR    3
5392
5393 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
5394                          int button, int mode)
5395 {
5396   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
5397   static int brush_width, brush_height;
5398   static int last_cursor_x = -1, last_cursor_y = -1;
5399   static boolean delete_old_brush;
5400   int new_element = BUTTON_ELEMENT(button);
5401   int x, y;
5402
5403   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
5404     return;
5405
5406   if (mode == CB_AREA_TO_BRUSH)
5407   {
5408     int from_lx, from_ly;
5409
5410     if (from_x > to_x)
5411       swap_numbers(&from_x, &to_x);
5412
5413     if (from_y > to_y)
5414       swap_numbers(&from_y, &to_y);
5415
5416     brush_width = to_x - from_x + 1;
5417     brush_height = to_y - from_y + 1;
5418
5419     from_lx = from_x + level_xpos;
5420     from_ly = from_y + level_ypos;
5421
5422     for (y=0; y<brush_height; y++)
5423     {
5424       for (x=0; x<brush_width; x++)
5425       {
5426         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
5427
5428         if (button != 1)
5429           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
5430       }
5431     }
5432
5433     if (button != 1)
5434       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5435
5436     delete_old_brush = FALSE;
5437   }
5438   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
5439            mode == CB_BRUSH_TO_LEVEL)
5440   {
5441     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
5442     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
5443     int cursor_from_x = cursor_x - brush_width / 2;
5444     int cursor_from_y = cursor_y - brush_height / 2;
5445     int border_from_x = cursor_x, border_from_y = cursor_y;
5446     int border_to_x = cursor_x, border_to_y = cursor_y;
5447
5448     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
5449       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5450
5451     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
5452         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
5453     {
5454       delete_old_brush = FALSE;
5455       return;
5456     }
5457
5458     for (y=0; y<brush_height; y++)
5459     {
5460       for (x=0; x<brush_width; x++)
5461       {
5462         int sx = cursor_from_x + x;
5463         int sy = cursor_from_y + y;
5464         int lx = sx + level_xpos;
5465         int ly = sy + level_ypos;
5466         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
5467         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
5468                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
5469                        brush_buffer[x][y] : new_element);
5470
5471         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5472         {
5473           if (sx < border_from_x)
5474             border_from_x = sx;
5475           else if (sx > border_to_x)
5476             border_to_x = sx;
5477           if (sy < border_from_y)
5478             border_from_y = sy;
5479           else if (sy > border_to_y)
5480             border_to_y = sy;
5481
5482           DrawLineElement(sx, sy, element, change_level);
5483         }
5484       }
5485     }
5486
5487     if (mode != CB_DELETE_OLD_CURSOR)
5488       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
5489
5490     last_cursor_x = cursor_x;
5491     last_cursor_y = cursor_y;
5492     delete_old_brush = TRUE;
5493   }
5494 }
5495
5496 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
5497                             int button)
5498 {
5499   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
5500 }
5501
5502 static void CopyBrushToLevel(int x, int y, int button)
5503 {
5504   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
5505 }
5506
5507 static void CopyBrushToCursor(int x, int y)
5508 {
5509   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
5510 }
5511
5512 static void DeleteBrushFromCursor()
5513 {
5514   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
5515 }
5516
5517 static void FloodFill(int from_x, int from_y, int fill_element)
5518 {
5519   int i,x,y;
5520   int old_element;
5521   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
5522   static int safety = 0;
5523
5524   /* check if starting field still has the desired content */
5525   if (Feld[from_x][from_y] == fill_element)
5526     return;
5527
5528   safety++;
5529
5530   if (safety > lev_fieldx*lev_fieldy)
5531     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
5532
5533   old_element = Feld[from_x][from_y];
5534   Feld[from_x][from_y] = fill_element;
5535
5536   for(i=0;i<4;i++)
5537   {
5538     x = from_x + check[i][0];
5539     y = from_y + check[i][1];
5540
5541     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
5542       FloodFill(x, y, fill_element);
5543   }
5544
5545   safety--;
5546 }
5547
5548 /* values for DrawLevelText() modes */
5549 #define TEXT_INIT               0
5550 #define TEXT_SETCURSOR          1
5551 #define TEXT_WRITECHAR          2
5552 #define TEXT_BACKSPACE          3
5553 #define TEXT_NEWLINE            4
5554 #define TEXT_END                5
5555 #define TEXT_QUERY_TYPING       6
5556
5557 static int DrawLevelText(int sx, int sy, char letter, int mode)
5558 {
5559   static short delete_buffer[MAX_LEV_FIELDX];
5560   static int start_sx, start_sy;
5561   static int last_sx, last_sy;
5562   static boolean typing = FALSE;
5563   int letter_element = EL_CHAR_ASCII0 + letter;
5564   int lx = 0, ly = 0;
5565
5566   /* map lower case letters to upper case and convert special characters */
5567   if (letter >= 'a' && letter <= 'z')
5568     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
5569   else if (letter == 'ä' || letter == 'Ä')
5570     letter_element = EL_CHAR_AUMLAUT;
5571   else if (letter == 'ö' || letter == 'Ö')
5572     letter_element = EL_CHAR_OUMLAUT;
5573   else if (letter == 'ü' || letter == 'Ü')
5574     letter_element = EL_CHAR_UUMLAUT;
5575   else if (letter == '^')
5576     letter_element = EL_CHAR_COPYRIGHT;
5577   else
5578     letter_element = EL_CHAR_ASCII0 + letter;
5579
5580   if (mode != TEXT_INIT)
5581   {
5582     if (!typing)
5583       return FALSE;
5584
5585     if (mode != TEXT_SETCURSOR)
5586     {
5587       sx = last_sx;
5588       sy = last_sy;
5589     }
5590
5591     lx = last_sx + level_xpos;
5592     ly = last_sy + level_ypos;
5593   }
5594
5595   switch (mode)
5596   {
5597     case TEXT_INIT:
5598       if (typing)
5599         DrawLevelText(0, 0, 0, TEXT_END);
5600
5601       typing = TRUE;
5602       start_sx = last_sx = sx;
5603       start_sy = last_sy = sy;
5604       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
5605       break;
5606
5607     case TEXT_SETCURSOR:
5608       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
5609       DrawAreaBorder(sx, sy, sx, sy);
5610       last_sx = sx;
5611       last_sy = sy;
5612       break;
5613
5614     case TEXT_WRITECHAR:
5615       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
5616       {
5617         delete_buffer[sx - start_sx] = Feld[lx][ly];
5618         Feld[lx][ly] = letter_element;
5619
5620         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
5621           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
5622         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
5623           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5624         else
5625           DrawLevelText(0, 0, 0, TEXT_END);
5626       }
5627       break;
5628
5629     case TEXT_BACKSPACE:
5630       if (sx > start_sx)
5631       {
5632         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
5633         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
5634         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
5635       }
5636       break;
5637
5638     case TEXT_NEWLINE:
5639       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
5640         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
5641       else
5642         DrawLevelText(0, 0, 0, TEXT_END);
5643       break;
5644
5645     case TEXT_END:
5646       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5647       DrawMiniElement(sx, sy, Feld[lx][ly]);
5648       typing = FALSE;
5649       break;
5650
5651     case TEXT_QUERY_TYPING:
5652       break;
5653
5654     default:
5655       break;
5656   }
5657
5658   return typing;
5659 }
5660
5661 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
5662                           int element, boolean change_level)
5663 {
5664   int lx = sx + level_xpos;
5665   int ly = sy + level_ypos;
5666
5667   if (element == -1)
5668     DrawMiniElement(sx, sy, Feld[lx][ly]);
5669   else
5670     DrawAreaBorder(sx, sy, sx, sy);
5671 }
5672
5673 static void CopyLevelToUndoBuffer(int mode)
5674 {
5675   static boolean accumulated_undo = FALSE;
5676   boolean new_undo_buffer_position = TRUE;
5677   int last_border_element;
5678   int x, y;
5679
5680   switch (mode)
5681   {
5682     case UNDO_IMMEDIATE:
5683       accumulated_undo = FALSE;
5684       break;
5685
5686     case UNDO_ACCUMULATE:
5687       if (accumulated_undo)
5688         new_undo_buffer_position = FALSE;
5689       accumulated_undo = TRUE;
5690       break;
5691
5692     default:
5693       break;
5694   }
5695
5696   if (new_undo_buffer_position)
5697   {
5698     /* new position in undo buffer ring */
5699     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
5700
5701     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
5702       undo_buffer_steps++;
5703   }
5704
5705   for(x=0; x<lev_fieldx; x++)
5706     for(y=0; y<lev_fieldy; y++)
5707       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
5708
5709   /* check if drawing operation forces change of border style */
5710   last_border_element = BorderElement;
5711   SetBorderElement();
5712   if (BorderElement != last_border_element)
5713     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5714 }
5715
5716 static void RandomPlacement(int new_element)
5717 {
5718   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5719   int num_free_positions;
5720   int num_percentage;
5721   int num_elements;
5722   int x, y;
5723
5724   /* determine number of free positions for the new elements */
5725   /* (maybe this statement should be formatted a bit more readable...) */
5726   num_free_positions = 0;
5727   for (x=0; x<lev_fieldx; x++)
5728     for (y=0; y<lev_fieldy; y++)
5729       if ((free_position[x][y] =
5730            ((random_placement_background_restricted &&
5731              Feld[x][y] == random_placement_background_element) ||
5732             (!random_placement_background_restricted &&
5733              Feld[x][y] != new_element))) == TRUE)
5734         num_free_positions++;
5735
5736   /* determine number of new elements to place there */
5737   num_percentage = num_free_positions * random_placement_value / 100;
5738   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
5739                   num_percentage : random_placement_value);
5740
5741   /* if not more free positions than elements to place, fill whole level */
5742   if (num_elements >= num_free_positions)
5743   {
5744     for (x=0; x<lev_fieldx; x++)
5745       for (y=0; y<lev_fieldy; y++)
5746         Feld[x][y] = new_element;
5747
5748     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5749     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5750     return;
5751   }
5752
5753   while (num_elements > 0)
5754   {
5755     x = RND(lev_fieldx);
5756     y = RND(lev_fieldy);
5757
5758     /* don't place element at the same position twice */
5759     if (free_position[x][y])
5760     {
5761       free_position[x][y] = FALSE;
5762       Feld[x][y] = new_element;
5763       num_elements--;
5764     }
5765   }
5766
5767   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5768   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5769 }
5770
5771 void WrapLevel(int dx, int dy)
5772 {
5773   int wrap_dx = lev_fieldx - dx;
5774   int wrap_dy = lev_fieldy - dy;
5775   int x, y;
5776
5777   for(x=0; x<lev_fieldx; x++)
5778     for(y=0; y<lev_fieldy; y++)
5779       FieldBackup[x][y] = Feld[x][y];
5780
5781   for(x=0; x<lev_fieldx; x++)
5782     for(y=0; y<lev_fieldy; y++)
5783       Feld[x][y] =
5784         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
5785
5786   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5787   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
5788 }
5789
5790 static void HandleDrawingAreas(struct GadgetInfo *gi)
5791 {
5792   static boolean started_inside_drawing_area = FALSE;
5793   int id = gi->custom_id;
5794   boolean button_press_event;
5795   boolean button_release_event;
5796   boolean inside_drawing_area = !gi->event.off_borders;
5797   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
5798   int actual_drawing_function;
5799   int button = gi->event.button;
5800   int new_element = BUTTON_ELEMENT(button);
5801   int sx = gi->event.x, sy = gi->event.y;
5802   int min_sx = 0, min_sy = 0;
5803   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
5804   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
5805   int lx = 0, ly = 0;
5806   int min_lx = 0, min_ly = 0;
5807   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
5808   int x, y;
5809
5810   /* handle info callback for each invocation of action callback */
5811   gi->callback_info(gi);
5812
5813   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
5814   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
5815
5816   /* make sure to stay inside drawing area boundaries */
5817   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
5818   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
5819
5820   if (draw_level)
5821   {
5822     /* get positions inside level field */
5823     lx = sx + level_xpos;
5824     ly = sy + level_ypos;
5825
5826     if (!IN_LEV_FIELD(lx, ly))
5827       inside_drawing_area = FALSE;
5828
5829     /* make sure to stay inside level field boundaries */
5830     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5831     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5832
5833     /* correct drawing area positions accordingly */
5834     sx = lx - level_xpos;
5835     sy = ly - level_ypos;
5836   }
5837
5838   if (button_press_event)
5839     started_inside_drawing_area = inside_drawing_area;
5840
5841   if (!started_inside_drawing_area)
5842     return;
5843
5844   if (!button && !button_release_event)
5845     return;
5846
5847   /* automatically switch to 'single item' drawing mode, if needed */
5848   actual_drawing_function =
5849     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
5850      drawing_function : GADGET_ID_SINGLE_ITEMS);
5851
5852   /* clicking into drawing area with pressed Control key picks element */
5853   if (GetKeyModState() & KMOD_Control)
5854     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
5855
5856   switch (actual_drawing_function)
5857   {
5858     case GADGET_ID_SINGLE_ITEMS:
5859       if (draw_level)
5860       {
5861         if (button_release_event)
5862         {
5863           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5864
5865           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
5866               !inside_drawing_area)
5867             DeleteBrushFromCursor();
5868         }
5869
5870         if (!button)
5871           break;
5872
5873         if (draw_with_brush)
5874         {
5875           if (!button_release_event)
5876             CopyBrushToLevel(sx, sy, button);
5877         }
5878         else if (new_element != Feld[lx][ly])
5879         {
5880           if (new_element == EL_PLAYER_1)
5881           {
5882             /* remove player at old position */
5883             for(y=0; y<lev_fieldy; y++)
5884             {
5885               for(x=0; x<lev_fieldx; x++)
5886               {
5887                 if (Feld[x][y] == EL_PLAYER_1)
5888                 {
5889                   Feld[x][y] = EL_EMPTY;
5890                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
5891                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
5892                     DrawMiniElement(x - level_xpos, y - level_ypos,
5893                                     EL_EMPTY);
5894                 }
5895               }
5896             }
5897           }
5898
5899           Feld[lx][ly] = new_element;
5900           DrawMiniElement(sx, sy, new_element);
5901         }
5902       }
5903       else
5904       {
5905         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
5906           DrawMiniGraphicExt(drawto,
5907                              gi->x + sx * MINI_TILEX,
5908                              gi->y + sy * MINI_TILEY,
5909                              el2edimg(new_element));
5910         else
5911           DrawGraphicExt(drawto,
5912                          gi->x + sx * TILEX,
5913                          gi->y + sy * TILEY,
5914                          el2img(new_element), 0);
5915
5916         if (id == GADGET_ID_AMOEBA_CONTENT)
5917           level.amoeba_content = new_element;
5918         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5919         {
5920           new_element = GFX_ELEMENT(new_element);
5921           custom_element.gfx_element = new_element;
5922
5923           CopyCustomElementPropertiesToGame(properties_element);
5924
5925           UpdateCustomElementGraphicGadgets();
5926
5927           FrameCounter = 0;     /* restart animation frame counter */
5928         }
5929         else if (id == GADGET_ID_CUSTOM_CONTENT)
5930         {
5931           custom_element.content[sx][sy] = new_element;
5932
5933           CopyCustomElementPropertiesToGame(properties_element);
5934         }
5935         else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
5936         {
5937           custom_element.change.target_element = new_element;
5938
5939           CopyCustomElementPropertiesToGame(properties_element);
5940         }
5941         else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
5942         {
5943           custom_element.change.content[sx][sy] = new_element;
5944
5945           CopyCustomElementPropertiesToGame(properties_element);
5946         }
5947         else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
5948         {
5949           custom_element.change.trigger_element = new_element;
5950
5951           CopyCustomElementPropertiesToGame(properties_element);
5952         }
5953         else if (id == GADGET_ID_RANDOM_BACKGROUND)
5954           random_placement_background_element = new_element;
5955         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5956                  id <= GADGET_ID_ELEMENT_CONTENT_7)
5957           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
5958             new_element;
5959       }
5960       break;
5961
5962     case GADGET_ID_CONNECTED_ITEMS:
5963       {
5964         static int last_sx = -1;
5965         static int last_sy = -1;
5966
5967         if (button_release_event)
5968           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5969
5970         if (button)
5971         {
5972           if (!button_press_event)
5973             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
5974
5975           last_sx = sx;
5976           last_sy = sy;
5977         }
5978       }
5979       break;
5980
5981     case GADGET_ID_LINE:
5982     case GADGET_ID_ARC:
5983     case GADGET_ID_RECTANGLE:
5984     case GADGET_ID_FILLED_BOX:
5985     case GADGET_ID_GRAB_BRUSH:
5986     case GADGET_ID_TEXT:
5987       {
5988         static int last_sx = -1;
5989         static int last_sy = -1;
5990         static int start_sx = -1;
5991         static int start_sy = -1;
5992         void (*draw_func)(int, int, int, int, int, boolean);
5993
5994         if (drawing_function == GADGET_ID_LINE)
5995           draw_func = DrawLine;
5996         else if (drawing_function == GADGET_ID_ARC)
5997           draw_func = DrawArc;
5998         else if (drawing_function == GADGET_ID_RECTANGLE)
5999           draw_func = DrawBox;
6000         else if (drawing_function == GADGET_ID_FILLED_BOX)
6001           draw_func = DrawFilledBox;
6002         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
6003           draw_func = SelectArea;
6004         else /* (drawing_function == GADGET_ID_TEXT) */
6005           draw_func = SetTextCursor;
6006
6007         if (button_press_event)
6008         {
6009           draw_func(sx, sy, sx, sy, new_element, FALSE);
6010           start_sx = last_sx = sx;
6011           start_sy = last_sy = sy;
6012
6013           if (drawing_function == GADGET_ID_TEXT)
6014             DrawLevelText(0, 0, 0, TEXT_END);
6015         }
6016         else if (button_release_event)
6017         {
6018           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
6019           if (drawing_function == GADGET_ID_GRAB_BRUSH)
6020           {
6021             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
6022             CopyBrushToCursor(sx, sy);
6023             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
6024                           MB_LEFTBUTTON);
6025             draw_with_brush = TRUE;
6026           }
6027           else if (drawing_function == GADGET_ID_TEXT)
6028             DrawLevelText(sx, sy, 0, TEXT_INIT);
6029           else
6030             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6031         }
6032         else if (last_sx != sx || last_sy != sy)
6033         {
6034           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
6035           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
6036           last_sx = sx;
6037           last_sy = sy;
6038         }
6039       }
6040       break;
6041
6042     case GADGET_ID_FLOOD_FILL:
6043       if (button_press_event && Feld[lx][ly] != new_element)
6044       {
6045         FloodFill(lx, ly, new_element);
6046         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6047         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6048       }
6049       break;
6050
6051     case GADGET_ID_PICK_ELEMENT:
6052       if (button_release_event)
6053         ClickOnGadget(level_editor_gadget[last_drawing_function],
6054                       MB_LEFTBUTTON);
6055       else if (draw_level)
6056         PickDrawingElement(button, Feld[lx][ly]);
6057       else if (id == GADGET_ID_AMOEBA_CONTENT)
6058         PickDrawingElement(button, level.amoeba_content);
6059       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6060         PickDrawingElement(button, custom_element.gfx_element);
6061       else if (id == GADGET_ID_CUSTOM_CONTENT)
6062         PickDrawingElement(button, custom_element.content[sx][sy]);
6063       else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6064         PickDrawingElement(button, custom_element.change.target_element);
6065       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6066         PickDrawingElement(button, custom_element.change.content[sx][sy]);
6067       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6068         PickDrawingElement(button, custom_element.change.trigger_element);
6069       else if (id == GADGET_ID_RANDOM_BACKGROUND)
6070         PickDrawingElement(button, random_placement_background_element);
6071       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6072                id <= GADGET_ID_ELEMENT_CONTENT_7)
6073       {
6074         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
6075
6076         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
6077       }
6078
6079       break;
6080
6081     default:
6082       break;
6083   }
6084 }
6085
6086 static void HandleCounterButtons(struct GadgetInfo *gi)
6087 {
6088   int gadget_id = gi->custom_id;
6089   int counter_id = gi->custom_type_id;
6090   int button = gi->event.button;
6091   int *counter_value = counterbutton_info[counter_id].value;
6092   int step = BUTTON_STEPSIZE(button) *
6093     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
6094
6095   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
6096   {
6097     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
6098     boolean released = (gi->event.type == GD_EVENT_RELEASED);
6099     boolean level_changed = LevelChanged();
6100
6101     if ((level_changed && pressed) || (!level_changed && released))
6102       return;
6103
6104     if (level_changed && !Request("Level has changed! Discard changes ?",
6105                                   REQ_ASK))
6106     {
6107       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
6108         ModifyEditorCounter(counter_id, *counter_value);
6109       return;
6110     }
6111   }
6112
6113   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
6114     *counter_value = gi->text.number_value;
6115   else
6116     ModifyEditorCounter(counter_id, *counter_value + step);
6117
6118   switch (counter_id)
6119   {
6120     case ED_COUNTER_ID_ELEMENT_CONTENT:
6121       DrawElementContentAreas();
6122       break;
6123
6124     case ED_COUNTER_ID_LEVEL_XSIZE:
6125     case ED_COUNTER_ID_LEVEL_YSIZE:
6126       lev_fieldx = level.fieldx;
6127       lev_fieldy = level.fieldy;
6128       break;
6129
6130     case ED_COUNTER_ID_SELECT_LEVEL:
6131       LoadLevel(level_nr);
6132       TapeErase();
6133       ResetUndoBuffer();
6134       DrawEditModeWindow();
6135       break;
6136
6137     default:
6138       break;
6139   }
6140
6141   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
6142        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
6143       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
6144        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
6145     CopyCustomElementPropertiesToGame(properties_element);
6146 }
6147
6148 static void HandleTextInputGadgets(struct GadgetInfo *gi)
6149 {
6150   int type_id = gi->custom_type_id;
6151
6152   strcpy(textinput_info[type_id].value, gi->text.value);
6153
6154   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
6155   {
6156     CopyCustomElementPropertiesToGame(properties_element);
6157
6158     ModifyEditorElementList();  /* update changed button info text */
6159   }
6160 }
6161
6162 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
6163 {
6164   int type_id = gi->custom_type_id;
6165
6166   *selectbox_info[type_id].value =
6167     selectbox_info[type_id].options[gi->selectbox.index].value;
6168
6169   if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
6170        type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
6171       (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
6172        type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
6173     CopyCustomElementPropertiesToGame(properties_element);
6174 }
6175
6176 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
6177 {
6178   int type_id = gi->custom_type_id;
6179
6180   if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
6181       type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
6182   {
6183     edit_mode_properties = gi->custom_type_id;
6184
6185     DrawPropertiesWindow();
6186   }
6187   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
6188   {
6189     boolean new_template = (!LevelFileExists(-1));
6190
6191     if (new_template ||
6192         Request("Save this tem- plate and kill the old ?", REQ_ASK))
6193       SaveLevelTemplate();
6194
6195     if (new_template)
6196       Request("Tem- plate saved !", REQ_CONFIRM);
6197   }
6198 }
6199
6200 static void HandleRadiobuttons(struct GadgetInfo *gi)
6201 {
6202   *radiobutton_info[gi->custom_type_id].value =
6203     radiobutton_info[gi->custom_type_id].checked_value;
6204 }
6205
6206 static void HandleCheckbuttons(struct GadgetInfo *gi)
6207 {
6208   int type_id = gi->custom_type_id;
6209
6210   *checkbutton_info[type_id].value ^= TRUE;
6211
6212   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
6213        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
6214       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
6215        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST &&
6216        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
6217   {
6218     CopyCustomElementPropertiesToGame(properties_element);
6219   }
6220
6221   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
6222   {
6223     UpdateCustomElementGraphicGadgets();
6224   }
6225   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
6226   {
6227     if (level.use_custom_template && !LevelFileExists(-1))
6228     {
6229       Request("No level tem- plate found !", REQ_CONFIRM);
6230
6231       level.use_custom_template = FALSE;
6232       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
6233
6234       return;
6235     }
6236
6237     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
6238
6239     DrawEditModeWindow();
6240   }
6241 }
6242
6243 static void HandleControlButtons(struct GadgetInfo *gi)
6244 {
6245   int id = gi->custom_id;
6246   int button = gi->event.button;
6247   int step = BUTTON_STEPSIZE(button);
6248   int new_element = BUTTON_ELEMENT(button);
6249   int x, y;
6250
6251   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
6252     DrawLevelText(0, 0, 0, TEXT_END);
6253
6254   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
6255       id != GADGET_ID_PICK_ELEMENT && edit_mode != ED_MODE_DRAWING &&
6256       drawing_function != GADGET_ID_PICK_ELEMENT &&
6257       !(GetKeyModState() & KMOD_Control))
6258   {
6259     DrawDrawingWindow();
6260     edit_mode = ED_MODE_DRAWING;
6261   }
6262
6263   switch (id)
6264   {
6265     case GADGET_ID_SCROLL_LEFT:
6266       if (level_xpos >= 0)
6267       {
6268         if (lev_fieldx < ed_fieldx - 2)
6269           break;
6270
6271         level_xpos -= step;
6272         if (level_xpos < -1)
6273           level_xpos = -1;
6274         if (button == 1)
6275           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
6276         else
6277           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6278
6279         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6280                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6281       }
6282       break;
6283
6284     case GADGET_ID_SCROLL_RIGHT:
6285       if (level_xpos <= lev_fieldx - ed_fieldx)
6286       {
6287         if (lev_fieldx < ed_fieldx - 2)
6288           break;
6289
6290         level_xpos += step;
6291         if (level_xpos > lev_fieldx - ed_fieldx + 1)
6292           level_xpos = lev_fieldx - ed_fieldx + 1;
6293         if (button == 1)
6294           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
6295         else
6296           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6297
6298         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
6299                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
6300       }
6301       break;
6302
6303     case GADGET_ID_SCROLL_UP:
6304       if (level_ypos >= 0)
6305       {
6306         if (lev_fieldy < ed_fieldy - 2)
6307           break;
6308
6309         level_ypos -= step;
6310         if (level_ypos < -1)
6311           level_ypos = -1;
6312         if (button == 1)
6313           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
6314         else
6315           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6316
6317         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6318                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6319       }
6320       break;
6321
6322     case GADGET_ID_SCROLL_DOWN:
6323       if (level_ypos <= lev_fieldy - ed_fieldy)
6324       {
6325         if (lev_fieldy < ed_fieldy - 2)
6326           break;
6327
6328         level_ypos += step;
6329         if (level_ypos > lev_fieldy - ed_fieldy + 1)
6330           level_ypos = lev_fieldy - ed_fieldy + 1;
6331         if (button == 1)
6332           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
6333         else
6334           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6335
6336         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
6337                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
6338       }
6339       break;
6340
6341     case GADGET_ID_SCROLL_HORIZONTAL:
6342       level_xpos = gi->event.item_position - 1;
6343       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6344       break;
6345
6346     case GADGET_ID_SCROLL_VERTICAL:
6347       level_ypos = gi->event.item_position - 1;
6348       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6349       break;
6350
6351     case GADGET_ID_SCROLL_LIST_UP:
6352     case GADGET_ID_SCROLL_LIST_DOWN:
6353     case GADGET_ID_SCROLL_LIST_VERTICAL:
6354       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
6355         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
6356       else
6357       {
6358         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
6359         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
6360
6361         if (element_shift < 0)
6362           element_shift = 0;
6363         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
6364           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
6365
6366         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
6367                      GDI_SCROLLBAR_ITEM_POSITION,
6368                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
6369       }
6370
6371       ModifyEditorElementList();
6372
6373       break;
6374
6375     case GADGET_ID_WRAP_LEFT:
6376       WrapLevel(-step, 0);
6377       break;
6378
6379     case GADGET_ID_WRAP_RIGHT:
6380       WrapLevel(step, 0);
6381       break;
6382
6383     case GADGET_ID_WRAP_UP:
6384       WrapLevel(0, -step);
6385       break;
6386
6387     case GADGET_ID_WRAP_DOWN:
6388       WrapLevel(0, step);
6389       break;
6390
6391     case GADGET_ID_SINGLE_ITEMS:
6392     case GADGET_ID_CONNECTED_ITEMS:
6393     case GADGET_ID_LINE:
6394     case GADGET_ID_ARC:
6395     case GADGET_ID_TEXT:
6396     case GADGET_ID_RECTANGLE:
6397     case GADGET_ID_FILLED_BOX:
6398     case GADGET_ID_FLOOD_FILL:
6399     case GADGET_ID_GRAB_BRUSH:
6400     case GADGET_ID_PICK_ELEMENT:
6401       if (drawing_function != GADGET_ID_PICK_ELEMENT)
6402         last_drawing_function = drawing_function;
6403       drawing_function = id;
6404       draw_with_brush = FALSE;
6405       break;
6406
6407     case GADGET_ID_RANDOM_PLACEMENT:
6408       RandomPlacement(new_element);
6409       break;
6410
6411     case GADGET_ID_PROPERTIES:
6412       if (edit_mode != ED_MODE_PROPERTIES)
6413       {
6414         properties_element = new_element;
6415         DrawPropertiesWindow();
6416         edit_mode = ED_MODE_PROPERTIES;
6417       }
6418       else
6419       {
6420         DrawDrawingWindow();
6421         edit_mode = ED_MODE_DRAWING;
6422       }
6423       break;
6424
6425     case GADGET_ID_UNDO:
6426       if (undo_buffer_steps == 0)
6427       {
6428         Request("Undo buffer empty !", REQ_CONFIRM);
6429         break;
6430       }
6431
6432       if (edit_mode != ED_MODE_DRAWING)
6433       {
6434         DrawDrawingWindow();
6435         edit_mode = ED_MODE_DRAWING;
6436       }
6437
6438       undo_buffer_position =
6439         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
6440       undo_buffer_steps--;
6441
6442       for(x=0; x<lev_fieldx; x++)
6443         for(y=0; y<lev_fieldy; y++)
6444           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
6445       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
6446       break;
6447
6448     case GADGET_ID_INFO:
6449       if (edit_mode != ED_MODE_INFO)
6450       {
6451         DrawLevelInfoWindow();
6452         edit_mode = ED_MODE_INFO;
6453       }
6454       else
6455       {
6456         DrawDrawingWindow();
6457         edit_mode = ED_MODE_DRAWING;
6458       }
6459       break;
6460
6461     case GADGET_ID_CLEAR:
6462       if (edit_mode != ED_MODE_DRAWING)
6463       {
6464         DrawDrawingWindow();
6465         edit_mode = ED_MODE_DRAWING;
6466       }
6467
6468       for(x=0; x<MAX_LEV_FIELDX; x++)
6469         for(y=0; y<MAX_LEV_FIELDY; y++)
6470           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
6471       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
6472
6473       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
6474       break;
6475
6476     case GADGET_ID_SAVE:
6477       if (leveldir_current->readonly)
6478       {
6479         Request("This level is read only !", REQ_CONFIRM);
6480         break;
6481       }
6482
6483       if (!LevelContainsPlayer)
6484         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
6485       else
6486       {
6487         boolean new_level = (!LevelFileExists(level_nr));
6488
6489         if (new_level ||
6490             Request("Save this level and kill the old ?", REQ_ASK))
6491         {
6492           CopyPlayfield(Feld, level.field);
6493
6494           SaveLevel(level_nr);
6495         }
6496
6497         if (new_level)
6498           Request("Level saved !", REQ_CONFIRM);
6499       }
6500       break;
6501
6502     case GADGET_ID_TEST:
6503       if (!LevelContainsPlayer)
6504         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
6505       else
6506       {
6507         if (LevelChanged())
6508           level.game_version = GAME_VERSION_ACTUAL;
6509
6510         CopyPlayfield(level.field, FieldBackup);
6511         CopyPlayfield(Feld, level.field);
6512
6513         UnmapLevelEditorGadgets();
6514         UndrawSpecialEditorDoor();
6515
6516         CloseDoor(DOOR_CLOSE_ALL);
6517
6518         DrawCompleteVideoDisplay();
6519
6520         if (setup.autorecord)
6521           TapeStartRecording();
6522
6523         level_editor_test_game = TRUE;
6524         game_status = GAME_MODE_PLAYING;
6525
6526         InitGame();
6527       }
6528       break;
6529
6530     case GADGET_ID_EXIT:
6531       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
6532       break;
6533
6534     default:
6535       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
6536           id <= GADGET_ID_ELEMENTLIST_LAST)
6537       {
6538         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
6539         int new_element = editor_elements[element_position + element_shift];
6540
6541         PickDrawingElement(button, new_element);
6542
6543         if (!stick_element_properties_window &&
6544             drawing_function != GADGET_ID_PICK_ELEMENT &&
6545             !(GetKeyModState() & KMOD_Control))
6546         {
6547           properties_element = new_element;
6548           if (edit_mode == ED_MODE_PROPERTIES)
6549             DrawPropertiesWindow();
6550         }
6551
6552         if (drawing_function == GADGET_ID_PICK_ELEMENT)
6553           ClickOnGadget(level_editor_gadget[last_drawing_function],
6554                         MB_LEFTBUTTON);
6555       }
6556 #ifdef DEBUG
6557       else if (gi->event.type == GD_EVENT_PRESSED)
6558         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
6559       else if (gi->event.type == GD_EVENT_RELEASED)
6560         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
6561       else if (gi->event.type == GD_EVENT_MOVING)
6562         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
6563       else
6564         printf("default: HandleControlButtons: ? (id == %d)\n", id);
6565 #endif
6566       break;
6567   }
6568 }
6569
6570 void HandleLevelEditorKeyInput(Key key)
6571 {
6572   char letter = getCharFromKey(key);
6573   int button = MB_LEFTBUTTON;
6574
6575   if (drawing_function == GADGET_ID_TEXT &&
6576       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
6577   {
6578     if (letter)
6579       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
6580     else if (key == KSYM_Delete || key == KSYM_BackSpace)
6581       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
6582     else if (key == KSYM_Return)
6583       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
6584     else if (key == KSYM_Escape)
6585       DrawLevelText(0, 0, 0, TEXT_END);
6586   }
6587   else if (button_status == MB_RELEASED)
6588   {
6589     int i, id = GADGET_ID_NONE;
6590
6591     switch (key)
6592     {
6593       case KSYM_Left:
6594         id = GADGET_ID_SCROLL_LEFT;
6595         break;
6596       case KSYM_Right:
6597         id = GADGET_ID_SCROLL_RIGHT;
6598         break;
6599       case KSYM_Up:
6600         id = GADGET_ID_SCROLL_UP;
6601         break;
6602       case KSYM_Down:
6603         id = GADGET_ID_SCROLL_DOWN;
6604         break;
6605       case KSYM_Page_Up:
6606         id = GADGET_ID_SCROLL_LIST_UP;
6607         button = MB_RIGHTBUTTON;
6608         break;
6609       case KSYM_Page_Down:
6610         id = GADGET_ID_SCROLL_LIST_DOWN;
6611         button = MB_RIGHTBUTTON;
6612         break;
6613
6614       case KSYM_Escape:
6615         if (edit_mode == ED_MODE_DRAWING)
6616         {
6617           RequestExitLevelEditor(setup.ask_on_escape);
6618         }
6619         else
6620         {
6621           DrawDrawingWindow();
6622           edit_mode = ED_MODE_DRAWING;
6623         }
6624         break;
6625
6626       default:
6627         break;
6628     }
6629
6630     if (id != GADGET_ID_NONE)
6631       ClickOnGadget(level_editor_gadget[id], button);
6632     else if (letter == '.')
6633       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
6634     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
6635       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
6636     else
6637       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
6638         if (letter && letter == control_info[i].shortcut)
6639           if (!anyTextGadgetActive())
6640             ClickOnGadget(level_editor_gadget[i], button);
6641   }
6642 }
6643
6644 void HandleLevelEditorIdle()
6645 {
6646   static unsigned long action_delay = 0;
6647   unsigned long action_delay_value = GameFrameDelay;
6648   int xpos = 1, ypos = 2;
6649
6650   if (edit_mode != ED_MODE_PROPERTIES)
6651     return;
6652
6653   if (!DelayReached(&action_delay, action_delay_value))
6654     return;
6655
6656   DrawGraphicAnimationExt(drawto,
6657                           SX + xpos * TILEX,
6658                           SY + ypos * TILEY + MINI_TILEY / 2,
6659                           el2img(properties_element), -1, NO_MASKING);
6660
6661   MarkTileDirty(xpos, ypos);
6662   MarkTileDirty(xpos, ypos + 1);
6663
6664   FrameCounter++;       /* increase animation frame counter */
6665 }
6666
6667 void ClearEditorGadgetInfoText()
6668 {
6669   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
6670 }
6671
6672 void HandleEditorGadgetInfoText(void *ptr)
6673 {
6674   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
6675   char infotext[MAX_OUTPUT_LINESIZE + 1];
6676   char shortcut[MAX_OUTPUT_LINESIZE + 1];
6677   int max_infotext_len = getMaxInfoTextLength();
6678
6679   if (game_status != GAME_MODE_EDITOR)
6680     return;
6681
6682   ClearEditorGadgetInfoText();
6683
6684   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6685     return;
6686
6687   /* misuse this function to delete brush cursor, if needed */
6688   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
6689     DeleteBrushFromCursor();
6690
6691   if (gi == NULL || gi->info_text == NULL)
6692     return;
6693
6694   strncpy(infotext, gi->info_text, max_infotext_len);
6695   infotext[max_infotext_len] = '\0';
6696
6697   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
6698   {
6699     int key = control_info[gi->custom_id].shortcut;
6700
6701     if (key)
6702     {
6703       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
6704         sprintf(shortcut, " ('.' or '%c')", key);
6705       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
6706         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
6707       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
6708         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
6709       else                                              /* normal case */
6710         sprintf(shortcut, " ('%s%c')",
6711                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
6712
6713       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
6714         strcat(infotext, shortcut);
6715     }
6716   }
6717
6718   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
6719 }
6720
6721 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
6722 {
6723   static int start_lx, start_ly;
6724   char *infotext;
6725   int id = gi->custom_id;
6726   int sx = gi->event.x;
6727   int sy = gi->event.y;
6728   int lx = sx + level_xpos;
6729   int ly = sy + level_ypos;
6730   int min_sx = 0, min_sy = 0;
6731   int max_sx = gi->drawing.area_xsize - 1;
6732   int max_sy = gi->drawing.area_ysize - 1;
6733   int actual_drawing_function = drawing_function;
6734
6735   /* pressed Control key: simulate picking element */
6736   if (GetKeyModState() & KMOD_Control)
6737     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
6738
6739   ClearEditorGadgetInfoText();
6740
6741   if (gi->event.type == GD_EVENT_INFO_LEAVING)
6742     return;
6743
6744   /* make sure to stay inside drawing area boundaries */
6745   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
6746   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
6747
6748   if (id == GADGET_ID_DRAWING_LEVEL)
6749   {
6750     if (button_status)
6751     {
6752       int min_lx = 0, min_ly = 0;
6753       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
6754
6755       /* get positions inside level field */
6756       lx = sx + level_xpos;
6757       ly = sy + level_ypos;
6758
6759       /* make sure to stay inside level field boundaries */
6760       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
6761       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
6762
6763       /* correct drawing area positions accordingly */
6764       sx = lx - level_xpos;
6765       sy = ly - level_ypos;
6766     }
6767
6768     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
6769     {
6770       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
6771       {
6772         if (gi->event.type == GD_EVENT_PRESSED)
6773         {
6774           start_lx = lx;
6775           start_ly = ly;
6776         }
6777
6778         switch (actual_drawing_function)
6779         {
6780           case GADGET_ID_SINGLE_ITEMS:
6781             infotext = "Drawing single items";
6782             break;
6783           case GADGET_ID_CONNECTED_ITEMS:
6784             infotext = "Drawing connected items";
6785             break;
6786           case GADGET_ID_LINE:
6787             infotext = "Drawing line";
6788             break;
6789           case GADGET_ID_ARC:
6790             infotext = "Drawing arc";
6791             break;
6792           case GADGET_ID_TEXT:
6793             infotext = "Setting text cursor";
6794             break;
6795           case GADGET_ID_RECTANGLE:
6796             infotext = "Drawing rectangle";
6797             break;
6798           case GADGET_ID_FILLED_BOX:
6799             infotext = "Drawing filled box";
6800             break;
6801           case GADGET_ID_FLOOD_FILL:
6802             infotext = "Flood fill";
6803             break;
6804           case GADGET_ID_GRAB_BRUSH:
6805             infotext = "Grabbing brush";
6806             break;
6807           case GADGET_ID_PICK_ELEMENT:
6808             infotext = "Picking element";
6809             break;
6810
6811           default:
6812             infotext = "Drawing position";
6813             break;
6814         }
6815
6816         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6817           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6818                     "%s: %d, %d", infotext, lx, ly);
6819         else
6820           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6821                     "%s: %d, %d", infotext,
6822                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
6823       }
6824       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6825         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6826                   "%s", getElementInfoText(Feld[lx][ly]));
6827       else
6828         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6829                   "Level position: %d, %d", lx, ly);
6830     }
6831
6832     /* misuse this function to draw brush cursor, if needed */
6833     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
6834     {
6835       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
6836         CopyBrushToCursor(sx, sy);
6837       else
6838         DeleteBrushFromCursor();
6839     }
6840   }
6841   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
6842   {
6843     if (id == GADGET_ID_AMOEBA_CONTENT)
6844       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6845                 getElementInfoText(level.amoeba_content));
6846     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6847       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6848                 getElementInfoText(custom_element.gfx_element));
6849     else if (id == GADGET_ID_CUSTOM_CONTENT)
6850       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6851                 getElementInfoText(custom_element.content[sx][sy]));
6852     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6853       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6854                 getElementInfoText(custom_element.change.target_element));
6855     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6856       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6857                 getElementInfoText(custom_element.change.content[sx][sy]));
6858     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6859       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6860                 getElementInfoText(custom_element.change.trigger_element));
6861     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6862       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6863                 getElementInfoText(random_placement_background_element));
6864     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6865              id <= GADGET_ID_ELEMENT_CONTENT_7)
6866     {
6867       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
6868
6869       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
6870                 getElementInfoText(level.yamyam_content[i][sx][sy]));
6871     }
6872   }
6873   else
6874   {
6875     if (id == GADGET_ID_AMOEBA_CONTENT)
6876       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6877                 "Amoeba content");
6878     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
6879       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6880                 "Custom graphic element");
6881     else if (id == GADGET_ID_CUSTOM_CONTENT)
6882       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6883                 "Custom element content position: %d, %d", sx, sy);
6884     else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
6885       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6886                 "New element after change");
6887     else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
6888       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6889                 "New extended elements after change");
6890     else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
6891       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6892                 "Other element triggering change");
6893     else if (id == GADGET_ID_RANDOM_BACKGROUND)
6894       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6895                 "Random placement background");
6896     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
6897              id <= GADGET_ID_ELEMENT_CONTENT_7)
6898       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
6899                 "Content area %d position: %d, %d",
6900                 id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
6901   }
6902 }
6903
6904 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
6905 {
6906   if (!ask_if_level_has_changed ||
6907       !LevelChanged() ||
6908       Request("Level has changed! Exit without saving ?",
6909               REQ_ASK | REQ_STAY_OPEN))
6910   {
6911     CloseDoor(DOOR_CLOSE_1);
6912     /*
6913     CloseDoor(DOOR_CLOSE_ALL);
6914     */
6915     game_status = GAME_MODE_MAIN;
6916     DrawMainMenu();
6917   }
6918   else
6919   {
6920     CloseDoor(DOOR_CLOSE_1);
6921     BlitBitmap(bitmap_db_door, bitmap_db_door,
6922                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
6923                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
6924     OpenDoor(DOOR_OPEN_1);
6925   }
6926 }