src/editor.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2002 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * editor.c                                                 *
  12 ***********************************************************/
  13
  14 #include <math.h>
  15
  16 #include "libgame/libgame.h"
  17
  18 #include "editor.h"
  19 #include "screens.h"
  20 #include "tools.h"
  21 #include "files.h"
  22 #include "game.h"
  23 #include "tape.h"
  24
  25
  26 /*
  27   -----------------------------------------------------------------------------
  28   screen and artwork graphic pixel position definitions
  29   -----------------------------------------------------------------------------
  30 */
  31
  32 /* positions in the level editor */
  33 #define ED_WIN_MB_LEFT_XPOS             6
  34 #define ED_WIN_MB_LEFT_YPOS             258
  35 #define ED_WIN_MB_MIDDLE_XPOS           42
  36 #define ED_WIN_MB_MIDDLE_YPOS           ED_WIN_MB_LEFT_YPOS
  37 #define ED_WIN_MB_RIGHT_XPOS            78
  38 #define ED_WIN_MB_RIGHT_YPOS            ED_WIN_MB_LEFT_YPOS
  39
  40 /* values for the control window */
  41 #define ED_CTRL_BUTTONS_GFX_YPOS        236
  42 #define ED_CTRL_BUTTONS_ALT_GFX_YPOS    142
  43
  44 #define ED_CTRL1_BUTTONS_HORIZ          4
  45 #define ED_CTRL1_BUTTONS_VERT           4
  46 #define ED_CTRL1_BUTTON_XSIZE           22
  47 #define ED_CTRL1_BUTTON_YSIZE           22
  48 #define ED_CTRL1_BUTTONS_XPOS           6
  49 #define ED_CTRL1_BUTTONS_YPOS           6
  50 #define ED_CTRL2_BUTTONS_HORIZ          3
  51 #define ED_CTRL2_BUTTONS_VERT           2
  52 #define ED_CTRL2_BUTTON_XSIZE           30
  53 #define ED_CTRL2_BUTTON_YSIZE           20
  54 #define ED_CTRL2_BUTTONS_XPOS           5
  55 #define ED_CTRL2_BUTTONS_YPOS           99
  56 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  57 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  58 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
  59
  60 /* values for the element list */
  61 #define ED_ELEMENTLIST_XPOS             5
  62 #define ED_ELEMENTLIST_YPOS             30
  63 #define ED_ELEMENTLIST_XSIZE            20
  64 #define ED_ELEMENTLIST_YSIZE            20
  65 #define ED_ELEMENTLIST_BUTTONS_HORIZ    4
  66 #define ED_ELEMENTLIST_BUTTONS_VERT     11
  67 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  68                                          ED_ELEMENTLIST_BUTTONS_VERT)
  69
  70 /* standard distances */
  71 #define ED_BORDER_SIZE                  3
  72 #define ED_BORDER2_SIZE                 5
  73 #define ED_GADGET_DISTANCE              2
  74
  75 /* values for the setting windows */
  76 #define ED_SETTINGS_XSTART              (3 * MINI_TILEX / 2)
  77 #define ED_SETTINGS_YSTART              (MINI_TILEY * 10)
  78
  79 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE + \
  80                                          2 * ED_GADGET_DISTANCE)
  81
  82 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
  83 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
  84
  85 #define ED_SETTINGS_XPOS(n)             (ED_SETTINGS_XSTART + \
  86                                          n * ED_SETTINGS_XOFFSET)
  87 #define ED_SETTINGS_YPOS(n)             (ED_SETTINGS_YSTART + \
  88                                          n * ED_SETTINGS_YOFFSET)
  89
  90 #define ED_SETTINGS1_YPOS               MINI_TILEY
  91 #define ED_SETTINGS2_XPOS               MINI_TILEX
  92 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
  93
  94 /* values for counter gadgets */
  95 #define ED_COUNT_PUSH_DELAY_RND_XPOS    (ED_SETTINGS_XPOS(1) + 16 * MINI_TILEX)
  96 #define ED_COUNT_MOVE_DELAY_RND_XPOS    ED_COUNT_PUSH_DELAY_RND_XPOS
  97 #define ED_COUNT_CHANGE_DELAY_RND_XPOS  (ED_SETTINGS_XPOS(1) + 13 * MINI_TILEX)
  98
  99 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 100 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 101 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART + \
 102                                          n * ED_COUNTER_YDISTANCE)
 103 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART + \
 104                                          n * ED_COUNTER_YDISTANCE - 2)
 105
 106 /* values for element content drawing areas */
 107 #define ED_AREA_ELEM_CONTENT_XPOS       ( 2 * MINI_TILEX)
 108 #define ED_AREA_ELEM_CONTENT_YPOS       (22 * MINI_TILEY)
 109
 110 #define ED_AREA_ELEM_CONTENT2_XPOS      (20 * MINI_TILEX)
 111 #define ED_AREA_ELEM_CONTENT2_YPOS      (ED_SETTINGS_YPOS(2) + \
 112                                          ED_GADGET_DISTANCE)
 113
 114 #define ED_AREA_ELEM_CONTENT3_XPOS      (24 * MINI_TILEX)
 115 #define ED_AREA_ELEM_CONTENT3_YPOS      (ED_SETTINGS_YPOS(1) + \
 116                                          ED_GADGET_DISTANCE)
 117
 118 #define ED_AREA_ELEM_CONTENT4_XPOS      (17 * MINI_TILEX)
 119 #define ED_AREA_ELEM_CONTENT4_YPOS      (ED_SETTINGS_YPOS(11) + \
 120                                          ED_GADGET_DISTANCE - MINI_TILEY)
 121
 122 /* values for random placement background drawing area */
 123 #define ED_AREA_RANDOM_BACKGROUND_XPOS  (29 * MINI_TILEX)
 124 #define ED_AREA_RANDOM_BACKGROUND_YPOS  (31 * MINI_TILEY)
 125
 126 /* values for scrolling gadgets for drawing area */
 127 #define ED_SCROLLBUTTON_XPOS            24
 128 #define ED_SCROLLBUTTON_YPOS            0
 129 #define ED_SCROLLBAR_XPOS               24
 130 #define ED_SCROLLBAR_YPOS               64
 131
 132 #define ED_SCROLLBUTTON_XSIZE           16
 133 #define ED_SCROLLBUTTON_YSIZE           16
 134
 135 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 136 #define ED_SCROLL_UP_YPOS               (0)
 137 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 138 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 139 #define ED_SCROLL_LEFT_XPOS             (0)
 140 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 141 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 142 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 143 #define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
 144 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 145 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 146 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 147 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 148 #define ED_SCROLL_VERTICAL_YPOS   (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
 149 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 150 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 151
 152 /* values for scrolling gadgets for element list */
 153 #define ED_SCROLLBUTTON2_XPOS           50
 154 #define ED_SCROLLBUTTON2_YPOS           0
 155 #define ED_SCROLLBAR2_XPOS              50
 156 #define ED_SCROLLBAR2_YPOS              20
 157
 158 #define ED_SCROLLBUTTON2_XSIZE          10
 159 #define ED_SCROLLBUTTON2_YSIZE          10
 160
 161 #define ED_SCROLL2_UP_XPOS              85
 162 #define ED_SCROLL2_UP_YPOS              30
 163 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 164 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS + \
 165                                          ED_ELEMENTLIST_BUTTONS_VERT * \
 166                                          ED_ELEMENTLIST_YSIZE - \
 167                                          ED_SCROLLBUTTON2_YSIZE)
 168 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 169 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS + \
 170                                          ED_SCROLLBUTTON2_YSIZE)
 171 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 172 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT * \
 173                                          ED_ELEMENTLIST_YSIZE - \
 174                                          2 * ED_SCROLLBUTTON2_YSIZE)
 175
 176 /* values for checkbutton gadgets */
 177 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 178 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 179 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 180 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 181 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 182 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 183 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 184
 185 /* some positions in the editor control window */
 186 #define ED_BUTTON_ELEM_XPOS             6
 187 #define ED_BUTTON_ELEM_YPOS             30
 188 #define ED_BUTTON_ELEM_XSIZE            22
 189 #define ED_BUTTON_ELEM_YSIZE            22
 190
 191 /* some values for text input, selectbox and counter gadgets */
 192 #define ED_BUTTON_COUNT_YPOS            60
 193 #define ED_BUTTON_COUNT_XSIZE           20
 194 #define ED_BUTTON_COUNT_YSIZE           20
 195 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 196 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 197 #define ED_WIN_COUNT_XSIZE              52
 198 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 199 #define ED_WIN_COUNT2_XPOS              27
 200 #define ED_WIN_COUNT2_YPOS              3
 201 #define ED_WIN_COUNT2_XSIZE             46
 202 #define ED_WIN_COUNT2_YSIZE             ED_BUTTON_COUNT_YSIZE
 203
 204 #define ED_BUTTON_MINUS_XPOS            2
 205 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 206 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 207 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 208 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS + \
 209                                          ED_WIN_COUNT_XSIZE + 2)
 210 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 211 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 212 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 213
 214 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 215 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS + \
 216                                          2 + ED_WIN_COUNT_YSIZE)
 217 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 218 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 219
 220 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 221 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS + \
 222                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 223 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 224
 225 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 226 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS + \
 227                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 228 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS + \
 229                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 230
 231 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 232 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 233
 234 /* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
 235 #define INFOTEXT_XPOS                   SX
 236 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 237 #define INFOTEXT_XSIZE                  SXSIZE
 238 #define INFOTEXT_YSIZE                  MINI_TILEX
 239
 240
 241 /*
 242   -----------------------------------------------------------------------------
 243   editor gadget definitions
 244   -----------------------------------------------------------------------------
 245 */
 246
 247 /* drawing toolbox buttons */
 248 #define GADGET_ID_NONE                  -1
 249 #define GADGET_ID_TOOLBOX_FIRST         0
 250
 251 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 252 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 253 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 254 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 255 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 256 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 257 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 258 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 259 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 260 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 261 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 10)
 262 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 263 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 264 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 265 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 266 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 267 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 268 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 269 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 270 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 271 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 272 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 273
 274 /* counter button identifiers */
 275 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 22)
 276
 277 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 278 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 279 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 280 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 281 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 282 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 283 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 284 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 285 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 286 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 287 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 288 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 289 #define GADGET_ID_LEVEL_COLLECT_DOWN    (GADGET_ID_COUNTER_FIRST + 12)
 290 #define GADGET_ID_LEVEL_COLLECT_TEXT    (GADGET_ID_COUNTER_FIRST + 13)
 291 #define GADGET_ID_LEVEL_COLLECT_UP      (GADGET_ID_COUNTER_FIRST + 14)
 292 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 293 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 294 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 295 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 296 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 297 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 298 #define GADGET_ID_ELEMENT_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 21)
 299 #define GADGET_ID_ELEMENT_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 22)
 300 #define GADGET_ID_ELEMENT_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 23)
 301 #define GADGET_ID_ELEMENT_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 24)
 302 #define GADGET_ID_ELEMENT_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 25)
 303 #define GADGET_ID_ELEMENT_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 26)
 304 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 27)
 305 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 28)
 306 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 29)
 307 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 308 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 309 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 32)
 310 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 311 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 312 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 35)
 313 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 314 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 315 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 38)
 316 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 317 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 318 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 41)
 319 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 42)
 320 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 43)
 321 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 44)
 322 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 45)
 323 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 46)
 324 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 47)
 325
 326 /* drawing area identifiers */
 327 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 48)
 328
 329 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 330 #define GADGET_ID_ELEMENT_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
 331 #define GADGET_ID_ELEMENT_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
 332 #define GADGET_ID_ELEMENT_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
 333 #define GADGET_ID_ELEMENT_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
 334 #define GADGET_ID_ELEMENT_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
 335 #define GADGET_ID_ELEMENT_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
 336 #define GADGET_ID_ELEMENT_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
 337 #define GADGET_ID_ELEMENT_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
 338 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 9)
 339 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 10)
 340 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 11)
 341 #define GADGET_ID_CUSTOM_CHANGED        (GADGET_ID_DRAWING_AREA_FIRST + 12)
 342 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 13)
 343
 344 /* text input identifiers */
 345 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 14)
 346
 347 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 348 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 349
 350 /* selectbox identifiers */
 351 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 2)
 352
 353 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 0)
 354 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 1)
 355 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 2)
 356 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 3)
 357 #define GADGET_ID_CUSTOM_WALKABLE_LAYER (GADGET_ID_SELECTBOX_FIRST + 4)
 358 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 5)
 359 #define GADGET_ID_CHANGE_CAUSE          (GADGET_ID_SELECTBOX_FIRST + 6)
 360
 361 /* textbutton identifiers */
 362 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 7)
 363
 364 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 365 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 1)
 366 #define GADGET_ID_PROPERTIES_ADVANCED   (GADGET_ID_TEXTBUTTON_FIRST + 2)
 367 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 3)
 368
 369 /* gadgets for scrolling of drawing area */
 370 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_TEXTBUTTON_FIRST + 4)
 371
 372 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 373 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 374 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 375 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 376 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 377 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 378
 379 /* gadgets for scrolling element list */
 380 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 381
 382 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 383 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 384 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 385
 386 /* checkbuttons for level/element properties */
 387 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 388
 389 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 390 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 391 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 392 #define GADGET_ID_DOUBLE_SPEED          (GADGET_ID_CHECKBUTTON_FIRST + 3)
 393 #define GADGET_ID_GRAVITY               (GADGET_ID_CHECKBUTTON_FIRST + 4)
 394 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 5)
 395 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 6)
 396 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 7)
 397 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 8)
 398 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 9)
 399 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 10)
 400 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 11)
 401 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 12)
 402 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 13)
 403 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 14)
 404 #define GADGET_ID_CUSTOM_WALKABLE       (GADGET_ID_CHECKBUTTON_FIRST + 15)
 405 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 16)
 406 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 17)
 407 #define GADGET_ID_CUSTOM_CHANGEABLE     (GADGET_ID_CHECKBUTTON_FIRST + 18)
 408 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 19)
 409
 410 /* gadgets for buttons in element list */
 411 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 412 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 413                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 414
 415 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 416
 417 /* radio button numbers */
 418 #define RADIO_NR_NONE                   0
 419 #define RADIO_NR_DRAWING_TOOLBOX        1
 420 #define RADIO_NR_RANDOM_ELEMENTS        2
 421
 422 /* values for counter gadgets */
 423 #define ED_COUNTER_ID_SELECT_LEVEL      0
 424 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 425 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 426 #define ED_COUNTER_ID_LEVEL_COLLECT     3
 427 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 428 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 429 #define ED_COUNTER_ID_LEVEL_RANDOM      6
 430 #define ED_COUNTER_ID_ELEMENT_SCORE     7
 431 #define ED_COUNTER_ID_ELEMENT_CONTENT   8
 432 #define ED_COUNTER_ID_CUSTOM_SCORE      9
 433 #define ED_COUNTER_ID_PUSH_DELAY_FIX    10
 434 #define ED_COUNTER_ID_PUSH_DELAY_RND    11
 435 #define ED_COUNTER_ID_MOVE_DELAY_FIX    12
 436 #define ED_COUNTER_ID_MOVE_DELAY_RND    13
 437 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  14
 438 #define ED_COUNTER_ID_CHANGE_DELAY_RND  15
 439
 440 #define ED_NUM_COUNTERBUTTONS           16
 441
 442 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 443 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM
 444
 445 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM_SCORE
 446 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_MOVE_DELAY_RND
 447
 448 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 449 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_DELAY_RND
 450
 451 /* values for scrollbutton gadgets */
 452 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 453 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 454 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 455 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 456 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 457 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 458
 459 #define ED_NUM_SCROLLBUTTONS            6
 460
 461 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 462 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 463
 464 /* values for scrollbar gadgets */
 465 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 466 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 467 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 468
 469 #define ED_NUM_SCROLLBARS               3
 470
 471 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 472 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 473
 474 /* values for text input gadgets */
 475 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 476 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 477
 478 #define ED_NUM_TEXTINPUT                2
 479
 480 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 481 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 482
 483 /* values for selectbox gadgets */
 484 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   0
 485 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       1
 486 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     2
 487 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   3
 488 #define ED_SELECTBOX_ID_CUSTOM_WALKABLE_LAYER   4
 489 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       5
 490 #define ED_SELECTBOX_ID_CHANGE_CAUSE            6
 491
 492 #define ED_NUM_SELECTBOX                        7
 493
 494 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 495 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM_WALKABLE_LAYER
 496
 497 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 498 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_CHANGE_CAUSE
 499
 500 /* values for textbutton gadgets */
 501 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        0
 502 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      1
 503 #define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED    2
 504 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       3
 505
 506 #define ED_NUM_TEXTBUTTON                       4
 507
 508 /* values for checkbutton gadgets */
 509 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED          0
 510 #define ED_CHECKBUTTON_ID_GRAVITY               1
 511 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     2
 512 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         3
 513 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      4
 514 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 5
 515 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 6
 516 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         7
 517 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       8
 518 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       9
 519 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      10
 520 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    11
 521 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       12
 522 #define ED_CHECKBUTTON_ID_CUSTOM_WALKABLE       13
 523 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    14
 524 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   15
 525 #define ED_CHECKBUTTON_ID_CUSTOM_CHANGEABLE     16
 526 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          17
 527
 528 #define ED_NUM_CHECKBUTTONS                     18
 529
 530 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_DOUBLE_SPEED
 531 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 532
 533 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 534 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM_WALKABLE
 535
 536 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 537 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_DELAY
 538
 539 /* values for radiobutton gadgets */
 540 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 541 #define ED_RADIOBUTTON_ID_QUANTITY      1
 542
 543 #define ED_NUM_RADIOBUTTONS             2
 544
 545 #define ED_RADIOBUTTON_ID_LEVEL_FIRST   ED_RADIOBUTTON_ID_PERCENTAGE
 546 #define ED_RADIOBUTTON_ID_LEVEL_LAST    ED_RADIOBUTTON_ID_QUANTITY
 547
 548
 549 /*
 550   -----------------------------------------------------------------------------
 551   some internally used definitions
 552   -----------------------------------------------------------------------------
 553 */
 554
 555 /* values for CopyLevelToUndoBuffer() */
 556 #define UNDO_IMMEDIATE                  0
 557 #define UNDO_ACCUMULATE                 1
 558
 559 /* values for scrollbars */
 560 #define ED_SCROLL_NO                    0
 561 #define ED_SCROLL_LEFT                  1
 562 #define ED_SCROLL_RIGHT                 2
 563 #define ED_SCROLL_UP                    4
 564 #define ED_SCROLL_DOWN                  8
 565
 566 /* screens in the level editor */
 567 #define ED_MODE_DRAWING                 0
 568 #define ED_MODE_INFO                    1
 569 #define ED_MODE_PROPERTIES              2
 570
 571 /* sub-screens in the element properties section */
 572 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 573 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 574 #define ED_MODE_PROPERTIES_ADVANCED     ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
 575
 576 /* how many steps can be cancelled */
 577 #define NUM_UNDO_STEPS                  (10 + 1)
 578
 579 /* values for elements with score */
 580 #define MIN_SCORE                       0
 581 #define MAX_SCORE                       255
 582
 583 /* values for random placement */
 584 #define RANDOM_USE_PERCENTAGE           0
 585 #define RANDOM_USE_QUANTITY             1
 586
 587 /* maximal size of level editor drawing area */
 588 #define MAX_ED_FIELDX           (2 * SCR_FIELDX)
 589 #define MAX_ED_FIELDY           (2 * SCR_FIELDY - 1)
 590
 591
 592 /*
 593   -----------------------------------------------------------------------------
 594   some internally used data structure definitions
 595   -----------------------------------------------------------------------------
 596 */
 597
 598 static struct
 599 {
 600   char shortcut;
 601   char *text;
 602 } control_info[ED_NUM_CTRL_BUTTONS] =
 603 {
 604   { 's',        "draw single items"             },
 605   { 'd',        "draw connected items"          },
 606   { 'l',        "draw lines"                    },
 607   { 'a',        "draw arcs"                     },
 608   { 'r',        "draw outline rectangles"       },
 609   { 'R',        "draw filled rectangles"        },
 610   { '\0',       "wrap (rotate) level up"        },
 611   { 't',        "enter text elements"           },
 612   { 'f',        "flood fill"                    },
 613   { '\0',       "wrap (rotate) level left"      },
 614   { '?',        "properties of drawing element" },
 615   { '\0',       "wrap (rotate) level right"     },
 616   { '\0',       "random element placement"      },
 617   { 'b',        "grab brush"                    },
 618   { '\0',       "wrap (rotate) level down"      },
 619   { ',',        "pick drawing element"          },
 620   { 'U',        "undo last operation"           },
 621   { 'I',        "level properties"              },
 622   { 'S',        "save level"                    },
 623   { 'C',        "clear level"                   },
 624   { 'T',        "test level"                    },
 625   { 'E',        "exit level editor"             }
 626 };
 627
 628 static int random_placement_value = 10;
 629 static int random_placement_method = RANDOM_USE_QUANTITY;
 630 static int random_placement_background_element = EL_SAND;
 631 static boolean random_placement_background_restricted = FALSE;
 632 static boolean stick_element_properties_window = FALSE;
 633 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
 634 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
 635 static struct ElementInfo custom_element;
 636
 637 static struct
 638 {
 639   int x, y;
 640   int min_value, max_value;
 641   int gadget_id_down, gadget_id_up;
 642   int gadget_id_text;
 643   int *value;
 644   char *text_above, *text_left, *text_right;
 645 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
 646 {
 647   {
 648     DX + 5 - SX,                        DY + 3 - SY,
 649     1,                                  100,
 650     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
 651     GADGET_ID_SELECT_LEVEL_TEXT,
 652     &level_nr,
 653     NULL,                               NULL, NULL
 654   },
 655   {
 656     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(2),
 657     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
 658     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
 659     GADGET_ID_LEVEL_XSIZE_TEXT,
 660     &level.fieldx,
 661     "playfield size",                   NULL, "width",
 662   },
 663   {
 664     ED_SETTINGS_XPOS(0) + 2 * DXSIZE,   ED_COUNTER_YPOS(2),
 665     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
 666     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
 667     GADGET_ID_LEVEL_YSIZE_TEXT,
 668     &level.fieldy,
 669     NULL,                               NULL, "height",
 670   },
 671   {
 672     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(3),
 673     0,                                  999,
 674     GADGET_ID_LEVEL_COLLECT_DOWN,       GADGET_ID_LEVEL_COLLECT_UP,
 675     GADGET_ID_LEVEL_COLLECT_TEXT,
 676     &level.gems_needed,
 677     "number of emeralds to collect",    NULL, NULL
 678   },
 679   {
 680     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
 681     0,                                  999,
 682     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
 683     GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 684     &level.time,
 685     "time available to solve level",    NULL, "(0 => no time limit)"
 686   },
 687   {
 688     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(5),
 689     0,                                  255,
 690     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
 691     GADGET_ID_LEVEL_TIMESCORE_TEXT,
 692     &level.score[SC_TIME_BONUS],
 693     "score for each 10 seconds left",   NULL, NULL
 694   },
 695   {
 696     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(8),
 697     1,                                  100,
 698     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
 699     GADGET_ID_LEVEL_RANDOM_TEXT,
 700     &random_placement_value,
 701     "random element placement",         NULL, "in"
 702   },
 703   {
 704     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(0),
 705     MIN_SCORE,                          MAX_SCORE,
 706     GADGET_ID_ELEMENT_SCORE_DOWN,       GADGET_ID_ELEMENT_SCORE_UP,
 707     GADGET_ID_ELEMENT_SCORE_TEXT,
 708     NULL,                               /* will be set when used */
 709     NULL,                               NULL, NULL
 710   },
 711   {
 712     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
 713     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
 714     GADGET_ID_ELEMENT_CONTENT_DOWN,     GADGET_ID_ELEMENT_CONTENT_UP,
 715     GADGET_ID_ELEMENT_CONTENT_TEXT,
 716     &level.num_yamyam_contents,
 717     NULL,                               NULL, "number of content areas"
 718   },
 719   {
 720     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
 721     MIN_SCORE,                          MAX_SCORE,
 722     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
 723     GADGET_ID_CUSTOM_SCORE_TEXT,
 724     &custom_element.score,
 725     NULL,                               NULL, "score for certain actions"
 726   },
 727   {
 728     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(5),
 729     0,                                  999,
 730     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
 731     GADGET_ID_PUSH_DELAY_FIX_TEXT,
 732     &custom_element.push_delay_fixed,
 733     NULL,                               "push delay", NULL
 734   },
 735   {
 736     ED_COUNT_PUSH_DELAY_RND_XPOS,       ED_SETTINGS_YPOS(5),
 737     0,                                  999,
 738     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
 739     GADGET_ID_PUSH_DELAY_RND_TEXT,
 740     &custom_element.push_delay_random,
 741     NULL,                               "+random", NULL
 742   },
 743   {
 744     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(8),
 745     0,                                  999,
 746     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
 747     GADGET_ID_MOVE_DELAY_FIX_TEXT,
 748     &custom_element.move_delay_fixed,
 749     NULL,                               "move delay", NULL
 750   },
 751   {
 752     ED_COUNT_MOVE_DELAY_RND_XPOS,       ED_SETTINGS_YPOS(8),
 753     0,                                  999,
 754     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
 755     GADGET_ID_MOVE_DELAY_RND_TEXT,
 756     &custom_element.move_delay_random,
 757     NULL,                               "+random", NULL
 758   },
 759   {
 760     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(3),
 761     0,                                  999,
 762     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
 763     GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 764     &custom_element.change.delay_fixed,
 765     NULL,                               "delay", NULL,
 766   },
 767   {
 768     ED_COUNT_CHANGE_DELAY_RND_XPOS,     ED_SETTINGS_YPOS(3),
 769     0,                                  999,
 770     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
 771     GADGET_ID_CHANGE_DELAY_RND_TEXT,
 772     &custom_element.change.delay_random,
 773     NULL,                               "+random", NULL
 774   }
 775 };
 776
 777 static struct
 778 {
 779   int x, y;
 780   int gadget_id;
 781   int size;
 782   char *value;
 783   char *infotext;
 784 } textinput_info[ED_NUM_TEXTINPUT] =
 785 {
 786   {
 787     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(0),
 788     GADGET_ID_LEVEL_NAME,
 789     MAX_LEVEL_NAME_LEN,
 790     level.name,
 791     "Title"
 792   },
 793   {
 794     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 795     GADGET_ID_LEVEL_AUTHOR,
 796     MAX_LEVEL_AUTHOR_LEN,
 797     level.author,
 798     "Author"
 799   }
 800 };
 801
 802 static struct ValueTextInfo options_walk_to_action[] =
 803 {
 804   { EP_DIGGABLE,                "diggable"              },
 805   { EP_COLLECTIBLE,             "collectible"           },
 806   { EP_PUSHABLE,                "pushable"              },
 807   { -1,                         NULL                    }
 808 };
 809 static int index_walk_to_action = 0;
 810
 811 static struct ValueTextInfo options_move_pattern[] =
 812 {
 813   { MV_LEFT,                    "left"                  },
 814   { MV_RIGHT,                   "right"                 },
 815   { MV_UP,                      "up"                    },
 816   { MV_DOWN,                    "down"                  },
 817   { MV_HORIZONTAL,              "horizontal"            },
 818   { MV_VERTICAL,                "vertical"              },
 819   { MV_ALL_DIRECTIONS,          "all directions"        },
 820   { MV_TOWARDS_PLAYER,          "towards player"        },
 821   { MV_AWAY_FROM_PLAYER,        "away from player"      },
 822   { MV_ALONG_LEFT_SIDE,         "along left side"       },
 823   { MV_ALONG_RIGHT_SIDE,        "along right side"      },
 824   { -1,                         NULL                    }
 825 };
 826 static int index_move_pattern = 0;
 827
 828 static struct ValueTextInfo options_move_direction[] =
 829 {
 830   { MV_NO_MOVING,               "automatic"             },
 831   { MV_LEFT,                    "left"                  },
 832   { MV_RIGHT,                   "right"                 },
 833   { MV_UP,                      "up"                    },
 834   { MV_DOWN,                    "down"                  },
 835   { -1,                         NULL                    }
 836 };
 837 static int index_move_direction = 0;
 838
 839 static struct ValueTextInfo options_deadliness[] =
 840 {
 841   { EP_DONT_GO_TO,              "walking to"            },
 842   { EP_ENEMY,                   "hitting"               },
 843   { EP_DONT_TOUCH,              "touching"              },
 844   { -1,                         NULL                    }
 845 };
 846 static int index_deadliness = 0;
 847
 848 static struct ValueTextInfo options_walkable_layer[] =
 849 {
 850   { EP_WALKABLE_OVER,           "over"                  },
 851   { EP_WALKABLE_INSIDE,         "inside"                },
 852   { EP_WALKABLE_UNDER,          "under"                 },
 853   { -1,                         NULL                    }
 854 };
 855 static int index_walkable_layer = 0;
 856
 857 static struct ValueTextInfo options_time_units[] =
 858 {
 859   { 50,                         "seconds"               },
 860   { 1,                          "frames"                },
 861   { -1,                         NULL                    }
 862 };
 863 static int index_time_units = 0;
 864
 865 static struct ValueTextInfo options_change_cause[] =
 866 {
 867   { 1,                          "specified delay"       },
 868   { 2,                          "impact (active)"       },
 869   { 3,                          "impact (passive)"      },
 870   { 4,                          "touched by player"     },
 871   { 5,                          "pressed by player"     },
 872   { -1,                         NULL                    }
 873 };
 874 static int index_change_cause = 0, value_change_cause = 0;
 875
 876 static struct
 877 {
 878   int x, y;
 879   int gadget_id;
 880   int size;     /* char size of selectbox or '-1' (dynamically determined) */
 881   struct ValueTextInfo *options;
 882   int *index, *value;
 883   char *text_left, *infotext;
 884 } selectbox_info[ED_NUM_SELECTBOX] =
 885 {
 886   {
 887     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(4),
 888     GADGET_ID_CUSTOM_WALK_TO_ACTION,
 889     -1,
 890     options_walk_to_action, &index_walk_to_action,
 891     &custom_element.walk_to_action,
 892     NULL, "diggable/collectible/pushable"
 893   },
 894   {
 895     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(2),
 896     GADGET_ID_CUSTOM_DEADLINESS,
 897     -1,
 898     options_deadliness, &index_deadliness,
 899     &custom_element.deadliness,
 900     "deadly when", "deadliness of element"
 901   },
 902   {
 903     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(6),
 904     GADGET_ID_CUSTOM_MOVE_PATTERN,
 905     -1,
 906     options_move_pattern, &index_move_pattern,
 907     &custom_element.move_pattern,
 908     "can move", "element move direction"
 909   },
 910   {
 911     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(7),
 912     GADGET_ID_CUSTOM_MOVE_DIRECTION,
 913     -1,
 914     options_move_direction, &index_move_direction,
 915     &custom_element.move_direction_initial,
 916     "starts moving", "initial element move direction"
 917   },
 918   {
 919     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(13),
 920     GADGET_ID_CUSTOM_WALKABLE_LAYER,
 921     -1,
 922     options_walkable_layer, &index_walkable_layer,
 923     &custom_element.walkable_layer,
 924     "player can walk", "layer where player can walk"
 925   },
 926   {
 927     ED_SETTINGS_XPOS(2),                ED_SETTINGS_YPOS(4),
 928     GADGET_ID_CHANGE_TIME_UNITS,
 929     -1,
 930     options_time_units, &index_time_units,
 931     &custom_element.change.delay_frames,
 932     "delay time given in", "delay time units for change"
 933   },
 934   {
 935     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(8),
 936     GADGET_ID_CHANGE_CAUSE,
 937     -1,
 938     options_change_cause, &index_change_cause,
 939     &value_change_cause,
 940     "test:", "test-selectbox entry"
 941   },
 942 };
 943
 944 static struct
 945 {
 946   int x, y;
 947   int gadget_id;
 948   int size;
 949   char *text, *infotext;
 950 } textbutton_info[ED_NUM_TEXTBUTTON] =
 951 {
 952   {
 953     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(1),
 954     GADGET_ID_PROPERTIES_INFO,
 955     11, "Information",                  "Show information about element"
 956   },
 957   {
 958     ED_SETTINGS_XPOS(0) + 166,          ED_COUNTER_YPOS(1),
 959     GADGET_ID_PROPERTIES_CONFIG,
 960     11, "Configure",                    "Configure element properties"
 961   },
 962   {
 963     ED_SETTINGS_XPOS(0) + 332,          ED_COUNTER_YPOS(1),
 964     GADGET_ID_PROPERTIES_ADVANCED,
 965     11, "Advanced",                     "Advanced element configuration"
 966   },
 967   {
 968     ED_SETTINGS_XPOS(0) + 262,          ED_SETTINGS_YPOS(5),
 969     GADGET_ID_SAVE_AS_TEMPLATE,
 970     -1, "Save as template",             "Save current settings as new template"
 971   },
 972 };
 973
 974 static struct
 975 {
 976   int gd_x, gd_y;
 977   int x, y;
 978   int gadget_id;
 979   char *infotext;
 980 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
 981 {
 982   {
 983     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
 984     ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
 985     GADGET_ID_SCROLL_UP,
 986     "scroll level editing area up"
 987   },
 988   {
 989     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
 990     ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
 991     GADGET_ID_SCROLL_DOWN,
 992     "scroll level editing area down"
 993   },
 994   {
 995     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
 996     ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
 997     GADGET_ID_SCROLL_LEFT,
 998     "scroll level editing area left"
 999   },
1000   {
1001     ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
1002     ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
1003     GADGET_ID_SCROLL_RIGHT,
1004     "scroll level editing area right"
1005   },
1006   {
1007     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
1008     ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
1009     GADGET_ID_SCROLL_LIST_UP,
1010     "scroll element list up ('Page Up')"
1011   },
1012   {
1013     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
1014     ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
1015     GADGET_ID_SCROLL_LIST_DOWN,
1016     "scroll element list down ('Page Down')"
1017   }
1018 };
1019
1020 static struct
1021 {
1022   int gd_x, gd_y;
1023   int x, y;
1024   int width, height;
1025   int type;
1026   int gadget_id;
1027   char *infotext;
1028 } scrollbar_info[ED_NUM_SCROLLBARS] =
1029 {
1030   {
1031     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1032     SX + ED_SCROLL_HORIZONTAL_XPOS,     SY + ED_SCROLL_HORIZONTAL_YPOS,
1033     ED_SCROLL_HORIZONTAL_XSIZE,         ED_SCROLL_HORIZONTAL_YSIZE,
1034     GD_TYPE_SCROLLBAR_HORIZONTAL,
1035     GADGET_ID_SCROLL_HORIZONTAL,
1036     "scroll level editing area horizontally"
1037   },
1038   {
1039     ED_SCROLLBAR_XPOS,                  ED_SCROLLBAR_YPOS,
1040     SX + ED_SCROLL_VERTICAL_XPOS,       SY + ED_SCROLL_VERTICAL_YPOS,
1041     ED_SCROLL_VERTICAL_XSIZE,           ED_SCROLL_VERTICAL_YSIZE,
1042     GD_TYPE_SCROLLBAR_VERTICAL,
1043     GADGET_ID_SCROLL_VERTICAL,
1044     "scroll level editing area vertically"
1045   },
1046   {
1047     ED_SCROLLBAR2_XPOS,                 ED_SCROLLBAR2_YPOS,
1048     DX + ED_SCROLL2_VERTICAL_XPOS,      DY + ED_SCROLL2_VERTICAL_YPOS,
1049     ED_SCROLL2_VERTICAL_XSIZE,          ED_SCROLL2_VERTICAL_YSIZE,
1050     GD_TYPE_SCROLLBAR_VERTICAL,
1051     GADGET_ID_SCROLL_LIST_VERTICAL,
1052     "scroll element list vertically"
1053   }
1054 };
1055
1056 static struct
1057 {
1058   int x, y;
1059   int gadget_id;
1060   int radio_button_nr;
1061   int *value;
1062   int checked_value;
1063   char *text_right, *infotext;
1064 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
1065 {
1066   {
1067     ED_SETTINGS_XPOS(0) + 160,          ED_COUNTER2_YPOS(8),
1068     GADGET_ID_RANDOM_PERCENTAGE,
1069     RADIO_NR_RANDOM_ELEMENTS,
1070     &random_placement_method,           RANDOM_USE_PERCENTAGE,
1071     "percentage",                       "use percentage for random elements"
1072   },
1073   {
1074     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER2_YPOS(8),
1075     GADGET_ID_RANDOM_QUANTITY,
1076     RADIO_NR_RANDOM_ELEMENTS,
1077     &random_placement_method,           RANDOM_USE_QUANTITY,
1078     "quantity",                         "use quantity for random elements"
1079   }
1080 };
1081
1082 static struct
1083 {
1084   int x, y;
1085   int gadget_id;
1086   boolean *value;
1087   char *text_right, *infotext;
1088 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
1089 {
1090   {
1091     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(6) - MINI_TILEY,
1092     GADGET_ID_DOUBLE_SPEED,
1093     &level.double_speed,
1094     "double speed movement",            "set movement speed of player"
1095   },
1096   {
1097     ED_SETTINGS_XPOS(0) + 340,          ED_COUNTER_YPOS(6) - MINI_TILEY,
1098     GADGET_ID_GRAVITY,
1099     &level.gravity,
1100     "gravity",                          "set level gravity"
1101   },
1102   {
1103     ED_SETTINGS_XPOS(0),                ED_COUNTER2_YPOS(9) - MINI_TILEY,
1104     GADGET_ID_RANDOM_RESTRICTED,
1105     &random_placement_background_restricted,
1106     "restrict random placement to",     "set random placement restriction"
1107   },
1108   {
1109     ED_SETTINGS_XPOS(0),                0,      /* set at runtime */
1110     GADGET_ID_STICK_ELEMENT,
1111     &stick_element_properties_window,
1112     "stick this screen to edit content","stick this screen to edit content"
1113   },
1114   {
1115     ED_SETTINGS_XPOS(0),                ED_COUNTER_YPOS(4),
1116     GADGET_ID_EM_SLIPPERY_GEMS,
1117     &level.em_slippery_gems,
1118     "slip down from certain flat walls","use EM style slipping behaviour"
1119   },
1120   {
1121     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(3),
1122     GADGET_ID_CUSTOM_INDESTRUCTIBLE,
1123     &custom_element_properties[EP_INDESTRUCTIBLE],
1124     "indestructible",                   "element cannot be destroyed"
1125   },
1126   {
1127     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(4),
1128     GADGET_ID_CUSTOM_WALK_TO_OBJECT,
1129     &custom_element_properties[EP_WALK_TO_OBJECT],
1130     NULL,                               "player can dig/collect/push element"
1131   },
1132   {
1133     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1134     GADGET_ID_CUSTOM_DEADLY,
1135     &custom_element_properties[EP_DEADLY],
1136     NULL,                               "element can kill the player"
1137   },
1138   {
1139     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(6),
1140     GADGET_ID_CUSTOM_CAN_MOVE,
1141     &custom_element_properties[EP_CAN_MOVE],
1142     NULL,                               "element can move in some direction"
1143   },
1144   {
1145     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(9),
1146     GADGET_ID_CUSTOM_CAN_FALL,
1147     &custom_element_properties[EP_CAN_FALL],
1148     "can fall",                         "element can fall down"
1149   },
1150   {
1151     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(10),
1152     GADGET_ID_CUSTOM_CAN_SMASH,
1153     &custom_element_properties[EP_CAN_SMASH],
1154     "can smash",                        "element can smash other elements"
1155   },
1156   {
1157     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(11),
1158     GADGET_ID_CUSTOM_CAN_EXPLODE,
1159     &custom_element_properties[EP_CAN_EXPLODE],
1160     "can explode to:",                  "element can explode to other elements"
1161   },
1162   {
1163     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(12),
1164     GADGET_ID_CUSTOM_SLIPPERY,
1165     &custom_element_properties[EP_SLIPPERY],
1166     "slippery",                         "other elements can fall down from it"
1167   },
1168   {
1169     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(13),
1170     GADGET_ID_CUSTOM_WALKABLE,
1171     &custom_element_properties[EP_WALKABLE],
1172     NULL,                               "player can walk on the same field"
1173   },
1174   {
1175     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(1),
1176     GADGET_ID_CUSTOM_USE_GRAPHIC,
1177     &custom_element.use_gfx_element,
1178     "use graphic of element:",          "use graphic for custom element"
1179   },
1180   {
1181     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(5),
1182     GADGET_ID_CUSTOM_USE_TEMPLATE,
1183     &custom_element.use_template,
1184     "use template",                     "use template for custom properties"
1185   },
1186   {
1187     ED_SETTINGS_XPOS(0),                ED_SETTINGS_YPOS(2),
1188     GADGET_ID_CUSTOM_CHANGEABLE,
1189     &custom_element_properties[EP_CHANGEABLE],
1190     "element changes to    after:",     "element can change to other element"
1191   },
1192   {
1193     ED_SETTINGS_XPOS(1),                ED_SETTINGS_YPOS(3),
1194     GADGET_ID_CHANGE_DELAY,
1195     &custom_element_change_events[CE_DELAY],
1196     NULL,                               "element changes after delay"
1197   },
1198 };
1199
1200
1201 /*
1202   -----------------------------------------------------------------------------
1203   some internally used variables
1204   -----------------------------------------------------------------------------
1205 */
1206
1207 /* actual size of level editor drawing area */
1208 static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
1209
1210 /* actual position of level editor drawing area in level playfield */
1211 static int level_xpos = -1, level_ypos = -1;
1212
1213 #define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
1214
1215 /* drawing elements on the three mouse buttons */
1216 static int new_element1 = EL_WALL;
1217 static int new_element2 = EL_EMPTY;
1218 static int new_element3 = EL_SAND;
1219
1220 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
1221                                 (button) == 2 ? new_element2 : \
1222                                 (button) == 3 ? new_element3 : EL_EMPTY)
1223 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
1224
1225 /* forward declaration for internal use */
1226 static void ModifyEditorCounter(int, int);
1227 static void ModifyEditorCounterLimits(int, int, int);
1228 static void ModifyEditorSelectbox(int, int);
1229 static void ModifyEditorElementList();
1230 static void DrawDrawingWindow();
1231 static void DrawLevelInfoWindow();
1232 static void DrawPropertiesWindow();
1233 static boolean checkPropertiesConfig();
1234 static void CopyLevelToUndoBuffer(int);
1235 static void HandleDrawingAreas(struct GadgetInfo *);
1236 static void HandleCounterButtons(struct GadgetInfo *);
1237 static void HandleTextInputGadgets(struct GadgetInfo *);
1238 static void HandleSelectboxGadgets(struct GadgetInfo *);
1239 static void HandleTextbuttonGadgets(struct GadgetInfo *);
1240 static void HandleRadiobuttons(struct GadgetInfo *);
1241 static void HandleCheckbuttons(struct GadgetInfo *);
1242 static void HandleControlButtons(struct GadgetInfo *);
1243 static void HandleDrawingAreaInfo(struct GadgetInfo *);
1244
1245 static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
1246
1247 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
1248 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
1249 static boolean draw_with_brush = FALSE;
1250 static int properties_element = 0;
1251
1252 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1253 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
1254 static int undo_buffer_position = 0;
1255 static int undo_buffer_steps = 0;
1256
1257 static int edit_mode;
1258 static int edit_mode_properties;
1259
1260 static int element_shift = 0;
1261
1262 static int editor_el_boulderdash[] =
1263 {
1264   EL_CHAR('B'),
1265   EL_CHAR('O'),
1266   EL_CHAR('U'),
1267   EL_CHAR('L'),
1268
1269   EL_CHAR('-'),
1270   EL_CHAR('D'),
1271   EL_CHAR('E'),
1272   EL_CHAR('R'),
1273
1274   EL_CHAR('D'),
1275   EL_CHAR('A'),
1276   EL_CHAR('S'),
1277   EL_CHAR('H'),
1278
1279   EL_PLAYER_1,
1280   EL_EMPTY,
1281   EL_SAND,
1282   EL_STEELWALL,
1283
1284   EL_BD_WALL,
1285   EL_BD_MAGIC_WALL,
1286   EL_EXIT_CLOSED,
1287   EL_EXIT_OPEN,
1288
1289   EL_BD_DIAMOND,
1290   EL_BD_BUTTERFLY_UP,
1291   EL_BD_FIREFLY_UP,
1292   EL_BD_ROCK,
1293
1294   EL_BD_BUTTERFLY_LEFT,
1295   EL_BD_FIREFLY_LEFT,
1296   EL_BD_BUTTERFLY_RIGHT,
1297   EL_BD_FIREFLY_RIGHT,
1298
1299   EL_BD_AMOEBA,
1300   EL_BD_BUTTERFLY_DOWN,
1301   EL_BD_FIREFLY_DOWN,
1302   EL_EMPTY,
1303 };
1304 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
1305
1306 static int editor_el_emerald_mine[] =
1307 {
1308   EL_CHAR('E'),
1309   EL_CHAR('M'),
1310   EL_CHAR('E'),
1311   EL_CHAR('-'),
1312
1313   EL_CHAR('R'),
1314   EL_CHAR('A'),
1315   EL_CHAR('L'),
1316   EL_CHAR('D'),
1317
1318   EL_CHAR('M'),
1319   EL_CHAR('I'),
1320   EL_CHAR('N'),
1321   EL_CHAR('E'),
1322
1323   EL_PLAYER_1,
1324   EL_PLAYER_2,
1325   EL_PLAYER_3,
1326   EL_PLAYER_4,
1327
1328   EL_PLAYER_1,
1329   EL_EMPTY,
1330   EL_SAND,
1331   EL_ROCK,
1332
1333   EL_STEELWALL,
1334   EL_WALL,
1335   EL_WALL_CRUMBLED,
1336   EL_MAGIC_WALL,
1337
1338   EL_EMERALD,
1339   EL_DIAMOND,
1340   EL_NUT,
1341   EL_BOMB,
1342
1343   EL_WALL_EMERALD,
1344   EL_WALL_DIAMOND,
1345   EL_QUICKSAND_EMPTY,
1346   EL_QUICKSAND_FULL,
1347
1348   EL_DYNAMITE,
1349   EL_DYNAMITE_ACTIVE,
1350   EL_EXIT_CLOSED,
1351   EL_EXIT_OPEN,
1352
1353   EL_YAMYAM,
1354   EL_BUG_UP,
1355   EL_SPACESHIP_UP,
1356   EL_ROBOT,
1357
1358   EL_BUG_LEFT,
1359   EL_SPACESHIP_LEFT,
1360   EL_BUG_RIGHT,
1361   EL_SPACESHIP_RIGHT,
1362
1363   EL_ROBOT_WHEEL,
1364   EL_BUG_DOWN,
1365   EL_SPACESHIP_DOWN,
1366   EL_INVISIBLE_WALL,
1367
1368   EL_ACID_POOL_TOPLEFT,
1369   EL_ACID,
1370   EL_ACID_POOL_TOPRIGHT,
1371   EL_EMPTY,
1372
1373   EL_ACID_POOL_BOTTOMLEFT,
1374   EL_ACID_POOL_BOTTOM,
1375   EL_ACID_POOL_BOTTOMRIGHT,
1376   EL_EMPTY,
1377
1378   EL_AMOEBA_DROP,
1379   EL_AMOEBA_DEAD,
1380   EL_AMOEBA_WET,
1381   EL_AMOEBA_DRY,
1382
1383   EL_EM_KEY_1_FILE,
1384   EL_EM_KEY_2_FILE,
1385   EL_EM_KEY_3_FILE,
1386   EL_EM_KEY_4_FILE,
1387
1388   EL_EM_GATE_1,
1389   EL_EM_GATE_2,
1390   EL_EM_GATE_3,
1391   EL_EM_GATE_4,
1392
1393   EL_EM_GATE_1_GRAY,
1394   EL_EM_GATE_2_GRAY,
1395   EL_EM_GATE_3_GRAY,
1396   EL_EM_GATE_4_GRAY,
1397 };
1398 static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
1399
1400 static int editor_el_more[] =
1401 {
1402   EL_CHAR('M'),
1403   EL_CHAR('O'),
1404   EL_CHAR('R'),
1405   EL_CHAR('E'),
1406
1407   EL_KEY_1,
1408   EL_KEY_2,
1409   EL_KEY_3,
1410   EL_KEY_4,
1411
1412   EL_GATE_1,
1413   EL_GATE_2,
1414   EL_GATE_3,
1415   EL_GATE_4,
1416
1417   EL_GATE_1_GRAY,
1418   EL_GATE_2_GRAY,
1419   EL_GATE_3_GRAY,
1420   EL_GATE_4_GRAY,
1421
1422   EL_ARROW_LEFT,
1423   EL_ARROW_RIGHT,
1424   EL_ARROW_UP,
1425   EL_ARROW_DOWN,
1426
1427   EL_AMOEBA_FULL,
1428   EL_EMERALD_YELLOW,
1429   EL_EMERALD_RED,
1430   EL_EMERALD_PURPLE,
1431
1432   EL_WALL_BD_DIAMOND,
1433   EL_WALL_EMERALD_YELLOW,
1434   EL_WALL_EMERALD_RED,
1435   EL_WALL_EMERALD_PURPLE,
1436
1437   EL_GAME_OF_LIFE,
1438   EL_PACMAN_UP,
1439   EL_TIME_ORB_FULL,
1440   EL_TIME_ORB_EMPTY,
1441
1442   EL_PACMAN_LEFT,
1443   EL_DARK_YAMYAM,
1444   EL_PACMAN_RIGHT,
1445   EL_EXPANDABLE_WALL,
1446
1447   EL_BIOMAZE,
1448   EL_PACMAN_DOWN,
1449   EL_LAMP,
1450   EL_LAMP_ACTIVE,
1451
1452   EL_DYNABOMB_INCREASE_NUMBER,
1453   EL_DYNABOMB_INCREASE_SIZE,
1454   EL_DYNABOMB_INCREASE_POWER,
1455   EL_STONEBLOCK,
1456
1457   EL_MOLE,
1458   EL_PENGUIN,
1459   EL_PIG,
1460   EL_DRAGON,
1461
1462   EL_EMPTY,
1463   EL_MOLE_UP,
1464   EL_EMPTY,
1465   EL_EMPTY,
1466
1467   EL_MOLE_LEFT,
1468   EL_EMPTY,
1469   EL_MOLE_RIGHT,
1470   EL_EMPTY,
1471
1472   EL_EMPTY,
1473   EL_MOLE_DOWN,
1474   EL_BALLOON,
1475   EL_BALLOON_SWITCH_ANY,
1476
1477   EL_BALLOON_SWITCH_LEFT,
1478   EL_BALLOON_SWITCH_RIGHT,
1479   EL_BALLOON_SWITCH_UP,
1480   EL_BALLOON_SWITCH_DOWN,
1481
1482   EL_SATELLITE,
1483   EL_EXPANDABLE_WALL_HORIZONTAL,
1484   EL_EXPANDABLE_WALL_VERTICAL,
1485   EL_EXPANDABLE_WALL_ANY,
1486
1487   EL_INVISIBLE_STEELWALL,
1488   EL_INVISIBLE_WALL,
1489   EL_SPEED_PILL,
1490   EL_BLACK_ORB,
1491
1492   EL_EMC_STEELWALL_1,
1493   EL_EMC_WALL_1,
1494   EL_EMC_WALL_2,
1495   EL_EMC_WALL_3,
1496
1497   EL_EMC_WALL_4,
1498   EL_EMC_WALL_5,
1499   EL_EMC_WALL_6,
1500   EL_EMC_WALL_7,
1501 };
1502 static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
1503
1504 static int editor_el_sokoban[] =
1505 {
1506   EL_CHAR('S'),
1507   EL_CHAR('O'),
1508   EL_CHAR('K'),
1509   EL_CHAR('O'),
1510
1511   EL_CHAR('-'),
1512   EL_CHAR('B'),
1513   EL_CHAR('A'),
1514   EL_CHAR('N'),
1515
1516   EL_SOKOBAN_OBJECT,
1517   EL_SOKOBAN_FIELD_EMPTY,
1518   EL_SOKOBAN_FIELD_FULL,
1519   EL_STEELWALL,
1520 };
1521 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
1522
1523 static int editor_el_supaplex[] =
1524 {
1525   EL_CHAR('S'),
1526   EL_CHAR('U'),
1527   EL_CHAR('P'),
1528   EL_CHAR('A'),
1529
1530   EL_CHAR('P'),
1531   EL_CHAR('L'),
1532   EL_CHAR('E'),
1533   EL_CHAR('X'),
1534
1535   EL_SP_EMPTY,
1536   EL_SP_ZONK,
1537   EL_SP_BASE,
1538   EL_SP_MURPHY,
1539
1540   EL_SP_INFOTRON,
1541   EL_SP_CHIP_SINGLE,
1542   EL_SP_HARDWARE_GRAY,
1543   EL_SP_EXIT_CLOSED,
1544
1545   EL_SP_DISK_ORANGE,
1546   EL_SP_PORT_RIGHT,
1547   EL_SP_PORT_DOWN,
1548   EL_SP_PORT_LEFT,
1549
1550   EL_SP_PORT_UP,
1551   EL_SP_GRAVITY_PORT_RIGHT,
1552   EL_SP_GRAVITY_PORT_DOWN,
1553   EL_SP_GRAVITY_PORT_LEFT,
1554
1555   EL_SP_GRAVITY_PORT_UP,
1556   EL_SP_SNIKSNAK,
1557   EL_SP_DISK_YELLOW,
1558   EL_SP_TERMINAL,
1559
1560   EL_SP_DISK_RED,
1561   EL_SP_PORT_VERTICAL,
1562   EL_SP_PORT_HORIZONTAL,
1563   EL_SP_PORT_ANY,
1564
1565   EL_SP_ELECTRON,
1566   EL_SP_BUGGY_BASE,
1567   EL_SP_CHIP_LEFT,
1568   EL_SP_CHIP_RIGHT,
1569
1570   EL_SP_HARDWARE_BASE_1,
1571   EL_SP_HARDWARE_GREEN,
1572   EL_SP_HARDWARE_BLUE,
1573   EL_SP_HARDWARE_RED,
1574
1575   EL_SP_HARDWARE_YELLOW,
1576   EL_SP_HARDWARE_BASE_2,
1577   EL_SP_HARDWARE_BASE_3,
1578   EL_SP_HARDWARE_BASE_4,
1579
1580   EL_SP_HARDWARE_BASE_5,
1581   EL_SP_HARDWARE_BASE_6,
1582   EL_SP_CHIP_TOP,
1583   EL_SP_CHIP_BOTTOM,
1584 };
1585 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
1586
1587 static int editor_el_diamond_caves[] =
1588 {
1589   EL_CHAR('D'),
1590   EL_CHAR('I'),
1591   EL_CHAR('A'),
1592   EL_CHAR('-'),
1593
1594   EL_CHAR('M'),
1595   EL_CHAR('O'),
1596   EL_CHAR('N'),
1597   EL_CHAR('D'),
1598
1599   EL_CHAR('C'),
1600   EL_CHAR('A'),
1601   EL_CHAR('V'),
1602   EL_CHAR('E'),
1603
1604   EL_CHAR('S'),
1605   EL_CHAR(' '),
1606   EL_CHAR('I'),
1607   EL_CHAR('I'),
1608
1609   EL_PEARL,
1610   EL_CRYSTAL,
1611   EL_WALL_PEARL,
1612   EL_WALL_CRYSTAL,
1613
1614   EL_CONVEYOR_BELT_1_LEFT,
1615   EL_CONVEYOR_BELT_1_MIDDLE,
1616   EL_CONVEYOR_BELT_1_RIGHT,
1617   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
1618
1619   EL_CONVEYOR_BELT_2_LEFT,
1620   EL_CONVEYOR_BELT_2_MIDDLE,
1621   EL_CONVEYOR_BELT_2_RIGHT,
1622   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
1623
1624   EL_CONVEYOR_BELT_3_LEFT,
1625   EL_CONVEYOR_BELT_3_MIDDLE,
1626   EL_CONVEYOR_BELT_3_RIGHT,
1627   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
1628
1629   EL_CONVEYOR_BELT_4_LEFT,
1630   EL_CONVEYOR_BELT_4_MIDDLE,
1631   EL_CONVEYOR_BELT_4_RIGHT,
1632   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
1633
1634   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
1635   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
1636   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
1637   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
1638
1639   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
1640   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
1641   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
1642   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
1643
1644   EL_SWITCHGATE_OPEN,
1645   EL_SWITCHGATE_CLOSED,
1646   EL_SWITCHGATE_SWITCH_UP,
1647   EL_ENVELOPE,
1648
1649   EL_TIMEGATE_CLOSED,
1650   EL_TIMEGATE_OPEN,
1651   EL_TIMEGATE_SWITCH,
1652   EL_EMPTY,
1653
1654   EL_LANDMINE,
1655   EL_INVISIBLE_SAND,
1656   EL_STEELWALL_SLANTED,
1657   EL_EMPTY,
1658
1659   EL_SIGN_EXCLAMATION,
1660   EL_SIGN_STOP,
1661   EL_LIGHT_SWITCH,
1662   EL_LIGHT_SWITCH_ACTIVE,
1663
1664   EL_SHIELD_NORMAL,
1665   EL_SHIELD_DEADLY,
1666   EL_EXTRA_TIME,
1667   EL_EMPTY,
1668 };
1669 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
1670
1671 static int editor_el_dx_boulderdash[] =
1672 {
1673   EL_CHAR('D'),
1674   EL_CHAR('X'),
1675   EL_CHAR('-'),
1676   EL_CHAR(' '),
1677
1678   EL_CHAR('B'),
1679   EL_CHAR('O'),
1680   EL_CHAR('U'),
1681   EL_CHAR('L'),
1682
1683   EL_CHAR('-'),
1684   EL_CHAR('D'),
1685   EL_CHAR('E'),
1686   EL_CHAR('R'),
1687
1688   EL_CHAR('D'),
1689   EL_CHAR('A'),
1690   EL_CHAR('S'),
1691   EL_CHAR('H'),
1692
1693   EL_SPRING,
1694   EL_TUBE_RIGHT_DOWN,
1695   EL_TUBE_HORIZONTAL_DOWN,
1696   EL_TUBE_LEFT_DOWN,
1697
1698   EL_TUBE_HORIZONTAL,
1699   EL_TUBE_VERTICAL_RIGHT,
1700   EL_TUBE_ANY,
1701   EL_TUBE_VERTICAL_LEFT,
1702
1703   EL_TUBE_VERTICAL,
1704   EL_TUBE_RIGHT_UP,
1705   EL_TUBE_HORIZONTAL_UP,
1706   EL_TUBE_LEFT_UP,
1707
1708   EL_TRAP,
1709   EL_DX_SUPABOMB,
1710   EL_EMPTY,
1711   EL_EMPTY
1712 };
1713 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
1714
1715 static int editor_el_chars[] =
1716 {
1717   EL_CHAR('T'),
1718   EL_CHAR('E'),
1719   EL_CHAR('X'),
1720   EL_CHAR('T'),
1721
1722   EL_CHAR(' '),
1723   EL_CHAR('!'),
1724   EL_CHAR('"'),
1725   EL_CHAR('#'),
1726
1727   EL_CHAR('$'),
1728   EL_CHAR('%'),
1729   EL_CHAR('&'),
1730   EL_CHAR('\''),
1731
1732   EL_CHAR('('),
1733   EL_CHAR(')'),
1734   EL_CHAR('*'),
1735   EL_CHAR('+'),
1736
1737   EL_CHAR(','),
1738   EL_CHAR('-'),
1739   EL_CHAR('.'),
1740   EL_CHAR('/'),
1741
1742   EL_CHAR('0'),
1743   EL_CHAR('1'),
1744   EL_CHAR('2'),
1745   EL_CHAR('3'),
1746
1747   EL_CHAR('4'),
1748   EL_CHAR('5'),
1749   EL_CHAR('6'),
1750   EL_CHAR('7'),
1751
1752   EL_CHAR('8'),
1753   EL_CHAR('9'),
1754   EL_CHAR(':'),
1755   EL_CHAR(';'),
1756
1757   EL_CHAR('<'),
1758   EL_CHAR('='),
1759   EL_CHAR('>'),
1760   EL_CHAR('?'),
1761
1762   EL_CHAR('@'),
1763   EL_CHAR('A'),
1764   EL_CHAR('B'),
1765   EL_CHAR('C'),
1766
1767   EL_CHAR('D'),
1768   EL_CHAR('E'),
1769   EL_CHAR('F'),
1770   EL_CHAR('G'),
1771
1772   EL_CHAR('H'),
1773   EL_CHAR('I'),
1774   EL_CHAR('J'),
1775   EL_CHAR('K'),
1776
1777   EL_CHAR('L'),
1778   EL_CHAR('M'),
1779   EL_CHAR('N'),
1780   EL_CHAR('O'),
1781
1782   EL_CHAR('P'),
1783   EL_CHAR('Q'),
1784   EL_CHAR('R'),
1785   EL_CHAR('S'),
1786
1787   EL_CHAR('T'),
1788   EL_CHAR('U'),
1789   EL_CHAR('V'),
1790   EL_CHAR('W'),
1791
1792   EL_CHAR('X'),
1793   EL_CHAR('Y'),
1794   EL_CHAR('Z'),
1795   EL_CHAR('['),
1796
1797   EL_CHAR('\\'),
1798   EL_CHAR(']'),
1799   EL_CHAR('^'),
1800   EL_CHAR('_'),
1801
1802   EL_CHAR('©'),
1803   EL_CHAR('Ä'),
1804   EL_CHAR('Ö'),
1805   EL_CHAR('Ü'),
1806
1807   EL_CHAR('°'),
1808   EL_CHAR('®'),
1809   EL_CHAR(FONT_ASCII_CURSOR),
1810   EL_CHAR(' ')
1811 };
1812 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
1813
1814 static int editor_el_custom[] =
1815 {
1816   EL_CHAR('C'),
1817   EL_CHAR('U'),
1818   EL_CHAR('S'),
1819   EL_CHAR('-'),
1820
1821   EL_CHAR('T'),
1822   EL_CHAR('O'),
1823   EL_CHAR('M'),
1824   EL_CHAR(' '),
1825
1826   EL_CHAR('E'),
1827   EL_CHAR('L'),
1828   EL_CHAR('E'),
1829   EL_CHAR('M'),
1830
1831   EL_CHAR('E'),
1832   EL_CHAR('N'),
1833   EL_CHAR('T'),
1834   EL_CHAR('S'),
1835
1836   EL_CUSTOM_START + 0,
1837   EL_CUSTOM_START + 1,
1838   EL_CUSTOM_START + 2,
1839   EL_CUSTOM_START + 3,
1840
1841   EL_CUSTOM_START + 4,
1842   EL_CUSTOM_START + 5,
1843   EL_CUSTOM_START + 6,
1844   EL_CUSTOM_START + 7,
1845
1846   EL_CUSTOM_START + 8,
1847   EL_CUSTOM_START + 9,
1848   EL_CUSTOM_START + 10,
1849   EL_CUSTOM_START + 11,
1850
1851   EL_CUSTOM_START + 12,
1852   EL_CUSTOM_START + 13,
1853   EL_CUSTOM_START + 14,
1854   EL_CUSTOM_START + 15,
1855
1856   EL_CUSTOM_START + 16,
1857   EL_CUSTOM_START + 17,
1858   EL_CUSTOM_START + 18,
1859   EL_CUSTOM_START + 19,
1860
1861   EL_CUSTOM_START + 20,
1862   EL_CUSTOM_START + 21,
1863   EL_CUSTOM_START + 22,
1864   EL_CUSTOM_START + 23,
1865
1866   EL_CUSTOM_START + 24,
1867   EL_CUSTOM_START + 25,
1868   EL_CUSTOM_START + 26,
1869   EL_CUSTOM_START + 27,
1870
1871   EL_CUSTOM_START + 28,
1872   EL_CUSTOM_START + 29,
1873   EL_CUSTOM_START + 30,
1874   EL_CUSTOM_START + 31,
1875
1876   EL_CUSTOM_START + 32,
1877   EL_CUSTOM_START + 33,
1878   EL_CUSTOM_START + 34,
1879   EL_CUSTOM_START + 35,
1880
1881   EL_CUSTOM_START + 36,
1882   EL_CUSTOM_START + 37,
1883   EL_CUSTOM_START + 38,
1884   EL_CUSTOM_START + 39,
1885
1886   EL_CUSTOM_START + 40,
1887   EL_CUSTOM_START + 41,
1888   EL_CUSTOM_START + 42,
1889   EL_CUSTOM_START + 43,
1890
1891   EL_CUSTOM_START + 44,
1892   EL_CUSTOM_START + 45,
1893   EL_CUSTOM_START + 46,
1894   EL_CUSTOM_START + 47,
1895
1896   EL_CUSTOM_START + 48,
1897   EL_CUSTOM_START + 49,
1898   EL_CUSTOM_START + 50,
1899   EL_CUSTOM_START + 51,
1900
1901   EL_CUSTOM_START + 52,
1902   EL_CUSTOM_START + 53,
1903   EL_CUSTOM_START + 54,
1904   EL_CUSTOM_START + 55,
1905
1906   EL_CUSTOM_START + 56,
1907   EL_CUSTOM_START + 57,
1908   EL_CUSTOM_START + 58,
1909   EL_CUSTOM_START + 59,
1910
1911   EL_CUSTOM_START + 60,
1912   EL_CUSTOM_START + 61,
1913   EL_CUSTOM_START + 62,
1914   EL_CUSTOM_START + 63,
1915
1916   EL_CUSTOM_START + 64,
1917   EL_CUSTOM_START + 65,
1918   EL_CUSTOM_START + 66,
1919   EL_CUSTOM_START + 67,
1920
1921   EL_CUSTOM_START + 68,
1922   EL_CUSTOM_START + 69,
1923   EL_CUSTOM_START + 70,
1924   EL_CUSTOM_START + 71,
1925
1926   EL_CUSTOM_START + 72,
1927   EL_CUSTOM_START + 73,
1928   EL_CUSTOM_START + 74,
1929   EL_CUSTOM_START + 75,
1930
1931   EL_CUSTOM_START + 76,
1932   EL_CUSTOM_START + 77,
1933   EL_CUSTOM_START + 78,
1934   EL_CUSTOM_START + 79,
1935
1936   EL_CUSTOM_START + 80,
1937   EL_CUSTOM_START + 81,
1938   EL_CUSTOM_START + 82,
1939   EL_CUSTOM_START + 83,
1940
1941   EL_CUSTOM_START + 84,
1942   EL_CUSTOM_START + 85,
1943   EL_CUSTOM_START + 86,
1944   EL_CUSTOM_START + 87,
1945
1946   EL_CUSTOM_START + 88,
1947   EL_CUSTOM_START + 89,
1948   EL_CUSTOM_START + 90,
1949   EL_CUSTOM_START + 91,
1950
1951   EL_CUSTOM_START + 92,
1952   EL_CUSTOM_START + 93,
1953   EL_CUSTOM_START + 94,
1954   EL_CUSTOM_START + 95,
1955
1956   EL_CUSTOM_START + 96,
1957   EL_CUSTOM_START + 97,
1958   EL_CUSTOM_START + 98,
1959   EL_CUSTOM_START + 99,
1960
1961   EL_CUSTOM_START + 100,
1962   EL_CUSTOM_START + 101,
1963   EL_CUSTOM_START + 102,
1964   EL_CUSTOM_START + 103,
1965
1966   EL_CUSTOM_START + 104,
1967   EL_CUSTOM_START + 105,
1968   EL_CUSTOM_START + 106,
1969   EL_CUSTOM_START + 107,
1970
1971   EL_CUSTOM_START + 108,
1972   EL_CUSTOM_START + 109,
1973   EL_CUSTOM_START + 110,
1974   EL_CUSTOM_START + 111,
1975
1976   EL_CUSTOM_START + 112,
1977   EL_CUSTOM_START + 113,
1978   EL_CUSTOM_START + 114,
1979   EL_CUSTOM_START + 115,
1980
1981   EL_CUSTOM_START + 116,
1982   EL_CUSTOM_START + 117,
1983   EL_CUSTOM_START + 118,
1984   EL_CUSTOM_START + 119,
1985
1986   EL_CUSTOM_START + 120,
1987   EL_CUSTOM_START + 121,
1988   EL_CUSTOM_START + 122,
1989   EL_CUSTOM_START + 123,
1990
1991   EL_CUSTOM_START + 124,
1992   EL_CUSTOM_START + 125,
1993   EL_CUSTOM_START + 126,
1994   EL_CUSTOM_START + 127
1995 };
1996 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
1997
1998 static int *editor_elements = NULL;     /* dynamically allocated */
1999 static int num_editor_elements = 0;     /* dynamically determined */
2000
2001 static struct
2002 {
2003   boolean *setup_value;
2004   int *element_list;
2005   int *element_list_size;
2006
2007   boolean last_setup_value;
2008 }
2009 editor_elements_info[] =
2010 {
2011   { &setup.editor.el_boulderdash,       editor_el_boulderdash,
2012     &num_editor_el_boulderdash                                          },
2013   { &setup.editor.el_emerald_mine,      editor_el_emerald_mine,
2014     &num_editor_el_emerald_mine                                         },
2015   { &setup.editor.el_more,              editor_el_more,
2016     &num_editor_el_more                                                 },
2017   { &setup.editor.el_sokoban,           editor_el_sokoban,
2018     &num_editor_el_sokoban                                              },
2019   { &setup.editor.el_supaplex,          editor_el_supaplex,
2020     &num_editor_el_supaplex                                             },
2021   { &setup.editor.el_diamond_caves,     editor_el_diamond_caves,
2022     &num_editor_el_diamond_caves                                        },
2023   { &setup.editor.el_dx_boulderdash,    editor_el_dx_boulderdash,
2024     &num_editor_el_dx_boulderdash                                       },
2025   { &setup.editor.el_chars,             editor_el_chars,
2026     &num_editor_el_chars                                                },
2027   { &setup.editor.el_custom,            editor_el_custom,
2028     &num_editor_el_custom                                               },
2029   { NULL,                               NULL,
2030     NULL                                                                }
2031 };
2032
2033
2034 /*
2035   -----------------------------------------------------------------------------
2036   functions
2037   -----------------------------------------------------------------------------
2038 */
2039
2040 static void ReinitializeElementList()
2041 {
2042   int pos = 0;
2043   int i, j;
2044
2045   if (editor_elements != NULL)
2046     free(editor_elements);
2047
2048   num_editor_elements = 0;
2049
2050   /* determine size of element list */
2051   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2052     if (*editor_elements_info[i].setup_value)
2053       num_editor_elements += *editor_elements_info[i].element_list_size;
2054
2055   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
2056   {
2057     /* workaround: offer at least as many elements as element buttons exist */
2058     int list_nr = 1;    /* see above: editor_elements_info for Emerald Mine */
2059
2060     *editor_elements_info[list_nr].setup_value = TRUE;
2061     num_editor_elements += *editor_elements_info[list_nr].element_list_size;
2062   }
2063
2064   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
2065
2066   /* fill element list */
2067   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2068     if (*editor_elements_info[i].setup_value)
2069       for (j=0; j<*editor_elements_info[i].element_list_size; j++)
2070         editor_elements[pos++] = editor_elements_info[i].element_list[j];
2071 }
2072
2073 static void ReinitializeElementListButtons()
2074 {
2075   static boolean initialization_needed = TRUE;
2076   int i;
2077
2078   if (!initialization_needed)   /* check if editor element setup has changed */
2079     for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2080       if (editor_elements_info[i].last_setup_value !=
2081           *editor_elements_info[i].setup_value)
2082         initialization_needed = TRUE;
2083
2084   if (!initialization_needed)
2085     return;
2086
2087   FreeLevelEditorGadgets();
2088   CreateLevelEditorGadgets();
2089
2090   /* store current setup values for next invocation of this function */
2091   for (i=0; editor_elements_info[i].setup_value != NULL; i++)
2092     editor_elements_info[i].last_setup_value =
2093       *editor_elements_info[i].setup_value;
2094
2095   initialization_needed = FALSE;
2096 }
2097
2098 static int getCounterGadgetWidth()
2099 {
2100   return (DXSIZE + getFontWidth(FONT_INPUT_1) - 2 * ED_GADGET_DISTANCE);
2101 }
2102
2103 static int getMaxInfoTextLength()
2104 {
2105   return (SXSIZE / getFontWidth(FONT_TEXT_2));
2106 }
2107
2108 static char *getElementInfoText(int element)
2109 {
2110   char *info_text = NULL;
2111
2112   if (element < NUM_FILE_ELEMENTS)
2113   {
2114     if (element_info[element].custom_description != NULL)
2115       info_text = element_info[element].custom_description;
2116     else if (element_info[element].editor_description != NULL)
2117       info_text = element_info[element].editor_description;
2118   }
2119
2120   if (info_text == NULL)
2121   {
2122     info_text = "unknown";
2123
2124     Error(ERR_WARN, "no element description for element %d", element);
2125   }
2126
2127   return info_text;
2128 }
2129
2130 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
2131 {
2132   int x,y;
2133   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
2134   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
2135
2136   BlitBitmap(drawto, drawto,
2137              SX + (dx == -1 ? MINI_TILEX : 0),
2138              SY + (dy == -1 ? MINI_TILEY : 0),
2139              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
2140              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
2141              SX + (dx == +1 ? MINI_TILEX : 0),
2142              SY + (dy == +1 ? MINI_TILEY : 0));
2143   if (dx)
2144   {
2145     x = (dx == 1 ? 0 : ed_fieldx - 1);
2146     for(y=0; y<ed_fieldy; y++)
2147       DrawMiniElementOrWall(x, y, from_x, from_y);
2148   }
2149   else if (dy)
2150   {
2151     y = (dy == 1 ? 0 : ed_fieldy - 1);
2152     for(x=0; x<ed_fieldx; x++)
2153       DrawMiniElementOrWall(x, y, from_x, from_y);
2154   }
2155
2156   redraw_mask |= REDRAW_FIELD;
2157   BackToFront();
2158 }
2159
2160 static void CreateControlButtons()
2161 {
2162   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2163   struct GadgetInfo *gi;
2164   unsigned long event_mask;
2165   int i;
2166
2167   /* create toolbox buttons */
2168   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
2169   {
2170     int id = i;
2171     int width, height;
2172     int gd_xoffset, gd_yoffset;
2173     int gd_x1, gd_x2, gd_y1, gd_y2;
2174     int button_type;
2175     int radio_button_nr;
2176     boolean checked;
2177
2178     if (id == GADGET_ID_SINGLE_ITEMS ||
2179         id == GADGET_ID_CONNECTED_ITEMS ||
2180         id == GADGET_ID_LINE ||
2181         id == GADGET_ID_ARC ||
2182         id == GADGET_ID_TEXT ||
2183         id == GADGET_ID_RECTANGLE ||
2184         id == GADGET_ID_FILLED_BOX ||
2185         id == GADGET_ID_FLOOD_FILL ||
2186         id == GADGET_ID_GRAB_BRUSH ||
2187         id == GADGET_ID_PICK_ELEMENT)
2188     {
2189       button_type = GD_TYPE_RADIO_BUTTON;
2190       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
2191       checked = (id == drawing_function ? TRUE : FALSE);
2192       event_mask = GD_EVENT_PRESSED;
2193     }
2194     else
2195     {
2196       button_type = GD_TYPE_NORMAL_BUTTON;
2197       radio_button_nr = RADIO_NR_NONE;
2198       checked = FALSE;
2199
2200       if (id == GADGET_ID_WRAP_LEFT ||
2201           id == GADGET_ID_WRAP_RIGHT ||
2202           id == GADGET_ID_WRAP_UP ||
2203           id == GADGET_ID_WRAP_DOWN)
2204         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2205       else
2206         event_mask = GD_EVENT_RELEASED;
2207     }
2208
2209     if (id < ED_NUM_CTRL1_BUTTONS)
2210     {
2211       int x = i % ED_CTRL1_BUTTONS_HORIZ;
2212       int y = i / ED_CTRL1_BUTTONS_HORIZ;
2213
2214       gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
2215       gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
2216       width = ED_CTRL1_BUTTON_XSIZE;
2217       height = ED_CTRL1_BUTTON_YSIZE;
2218     }
2219     else
2220     {
2221       int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
2222       int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
2223
2224       gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
2225       gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
2226       width = ED_CTRL2_BUTTON_XSIZE;
2227       height = ED_CTRL2_BUTTON_YSIZE;
2228     }
2229
2230     gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
2231     gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
2232     gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
2233     gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
2234
2235     gi = CreateGadget(GDI_CUSTOM_ID, id,
2236                       GDI_CUSTOM_TYPE_ID, i,
2237                       GDI_INFO_TEXT, control_info[i].text,
2238                       GDI_X, EX + gd_xoffset,
2239                       GDI_Y, EY + gd_yoffset,
2240                       GDI_WIDTH, width,
2241                       GDI_HEIGHT, height,
2242                       GDI_TYPE, button_type,
2243                       GDI_STATE, GD_BUTTON_UNPRESSED,
2244                       GDI_RADIO_NR, radio_button_nr,
2245                       GDI_CHECKED, checked,
2246                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2247                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2248                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2249                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2250                       GDI_EVENT_MASK, event_mask,
2251                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2252                       GDI_CALLBACK_ACTION, HandleControlButtons,
2253                       GDI_END);
2254
2255     if (gi == NULL)
2256       Error(ERR_EXIT, "cannot create gadget");
2257
2258     level_editor_gadget[id] = gi;
2259   }
2260
2261   /* create buttons for scrolling of drawing area and element list */
2262   for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
2263   {
2264     int id = scrollbutton_info[i].gadget_id;
2265     int x, y, width, height;
2266     int gd_x1, gd_x2, gd_y1, gd_y2;
2267
2268     x = scrollbutton_info[i].x;
2269     y = scrollbutton_info[i].y;
2270
2271     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2272
2273     if (id == GADGET_ID_SCROLL_LIST_UP ||
2274         id == GADGET_ID_SCROLL_LIST_DOWN)
2275     {
2276       x += DX;
2277       y += DY;
2278       width = ED_SCROLLBUTTON2_XSIZE;
2279       height = ED_SCROLLBUTTON2_YSIZE;
2280       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2281       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2282       gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
2283       gd_y2 = gd_y1;
2284     }
2285     else
2286     {
2287       x += SX;
2288       y += SY;
2289       width = ED_SCROLLBUTTON_XSIZE;
2290       height = ED_SCROLLBUTTON_YSIZE;
2291       gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
2292       gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
2293       gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2294       gd_y2 = gd_y1;
2295     }
2296
2297     gi = CreateGadget(GDI_CUSTOM_ID, id,
2298                       GDI_CUSTOM_TYPE_ID, i,
2299                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
2300                       GDI_X, x,
2301                       GDI_Y, y,
2302                       GDI_WIDTH, width,
2303                       GDI_HEIGHT, height,
2304                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2305                       GDI_STATE, GD_BUTTON_UNPRESSED,
2306                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2307                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2308                       GDI_EVENT_MASK, event_mask,
2309                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2310                       GDI_CALLBACK_ACTION, HandleControlButtons,
2311                       GDI_END);
2312
2313     if (gi == NULL)
2314       Error(ERR_EXIT, "cannot create gadget");
2315
2316     level_editor_gadget[id] = gi;
2317   }
2318
2319   /* create buttons for element list */
2320   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
2321   {
2322     Bitmap *deco_bitmap;
2323     int deco_x, deco_y, deco_xpos, deco_ypos;
2324     int gd_xoffset, gd_yoffset;
2325     int gd_x1, gd_x2, gd_y;
2326     int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
2327     int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
2328     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
2329     int element = editor_elements[i];
2330
2331     event_mask = GD_EVENT_RELEASED;
2332
2333     gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
2334     gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
2335
2336     gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
2337     gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
2338     gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
2339
2340     getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
2341     deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
2342     deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
2343
2344     gi = CreateGadget(GDI_CUSTOM_ID, id,
2345                       GDI_CUSTOM_TYPE_ID, i,
2346                       GDI_INFO_TEXT, getElementInfoText(element),
2347                       GDI_X, DX + gd_xoffset,
2348                       GDI_Y, DY + gd_yoffset,
2349                       GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
2350                       GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
2351                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2352                       GDI_STATE, GD_BUTTON_UNPRESSED,
2353                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2354                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2355                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2356                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2357                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2358                       GDI_DECORATION_SHIFTING, 1, 1,
2359                       GDI_EVENT_MASK, event_mask,
2360                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2361                       GDI_CALLBACK_ACTION, HandleControlButtons,
2362                       GDI_END);
2363
2364     if (gi == NULL)
2365       Error(ERR_EXIT, "cannot create gadget");
2366
2367     level_editor_gadget[id] = gi;
2368   }
2369 }
2370
2371 static void CreateCounterButtons()
2372 {
2373   int max_infotext_len = getMaxInfoTextLength();
2374   int i;
2375
2376   for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
2377   {
2378     int j;
2379     int xpos = SX + counterbutton_info[i].x;    /* xpos of down count button */
2380     int ypos = SY + counterbutton_info[i].y;
2381     int xoffset = 0;
2382
2383     /* determine horizontal offset for leading counter text */
2384     if (counterbutton_info[i].text_left != NULL)
2385       xoffset = (getFontWidth(FONT_TEXT_1) *
2386                  strlen(counterbutton_info[i].text_left) +
2387                  2 * ED_GADGET_DISTANCE);
2388
2389     for (j=0; j<2; j++)
2390     {
2391       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2392       struct GadgetInfo *gi;
2393       int id = (j == 0 ?
2394                 counterbutton_info[i].gadget_id_down :
2395                 counterbutton_info[i].gadget_id_up);
2396       int gd_xoffset;
2397       int gd_x, gd_x1, gd_x2, gd_y;
2398       int x_size, y_size;
2399       unsigned long event_mask;
2400       char infotext[max_infotext_len + 1];
2401
2402       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
2403
2404       if (i == ED_COUNTER_ID_SELECT_LEVEL)
2405       {
2406         int sid = (j == 0 ?
2407                    ED_SCROLLBUTTON_ID_AREA_LEFT :
2408                    ED_SCROLLBUTTON_ID_AREA_RIGHT);
2409
2410         event_mask |= GD_EVENT_RELEASED;
2411
2412         if (j == 1)
2413           xpos += 2 * ED_GADGET_DISTANCE;
2414         ypos += ED_GADGET_DISTANCE;
2415
2416         gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
2417         gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
2418         gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
2419         x_size = ED_SCROLLBUTTON_XSIZE;
2420         y_size = ED_SCROLLBUTTON_YSIZE;
2421       }
2422       else
2423       {
2424         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
2425         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2426         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2427         gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
2428         x_size = ED_BUTTON_COUNT_XSIZE;
2429         y_size = ED_BUTTON_COUNT_YSIZE;
2430       }
2431
2432       sprintf(infotext, "%s counter value by 1, 5 or 10",
2433               (j == 0 ? "decrease" : "increase"));
2434
2435       gi = CreateGadget(GDI_CUSTOM_ID, id,
2436                         GDI_CUSTOM_TYPE_ID, i,
2437                         GDI_INFO_TEXT, infotext,
2438                         GDI_X, xpos + xoffset,
2439                         GDI_Y, ypos,
2440                         GDI_WIDTH, x_size,
2441                         GDI_HEIGHT, y_size,
2442                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2443                         GDI_STATE, GD_BUTTON_UNPRESSED,
2444                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2445                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2446                         GDI_EVENT_MASK, event_mask,
2447                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2448                         GDI_CALLBACK_ACTION, HandleCounterButtons,
2449                         GDI_END);
2450
2451       if (gi == NULL)
2452         Error(ERR_EXIT, "cannot create gadget");
2453
2454       level_editor_gadget[id] = gi;
2455       xpos += gi->width + ED_GADGET_DISTANCE;   /* xpos of text count button */
2456
2457       if (j == 0)
2458       {
2459         int font_type = FONT_INPUT_1;
2460         int font_type_active = FONT_INPUT_1_ACTIVE;
2461         int gd_width = ED_WIN_COUNT_XSIZE;
2462
2463         id = counterbutton_info[i].gadget_id_text;
2464         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2465
2466         if (i == ED_COUNTER_ID_SELECT_LEVEL)
2467         {
2468           font_type = FONT_LEVEL_NUMBER;
2469           font_type_active = FONT_LEVEL_NUMBER;
2470
2471           xpos += 2 * ED_GADGET_DISTANCE;
2472           ypos -= ED_GADGET_DISTANCE;
2473
2474           gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
2475           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
2476           gd_width = ED_WIN_COUNT2_XSIZE;
2477         }
2478         else
2479         {
2480           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2481           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2482         }
2483
2484         gi = CreateGadget(GDI_CUSTOM_ID, id,
2485                           GDI_CUSTOM_TYPE_ID, i,
2486                           GDI_INFO_TEXT, "enter counter value",
2487                           GDI_X, xpos + xoffset,
2488                           GDI_Y, ypos,
2489                           GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
2490                           GDI_NUMBER_VALUE, 0,
2491                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
2492                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
2493                           GDI_TEXT_SIZE, 3,
2494                           GDI_TEXT_FONT, font_type,
2495                           GDI_TEXT_FONT_ACTIVE, font_type_active,
2496                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2497                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2498                           GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2499                           GDI_DESIGN_WIDTH, gd_width,
2500                           GDI_EVENT_MASK, event_mask,
2501                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2502                           GDI_CALLBACK_ACTION, HandleCounterButtons,
2503                           GDI_END);
2504
2505         if (gi == NULL)
2506           Error(ERR_EXIT, "cannot create gadget");
2507
2508         level_editor_gadget[id] = gi;
2509         xpos += gi->width + ED_GADGET_DISTANCE; /* xpos of up count button */
2510       }
2511     }
2512   }
2513 }
2514
2515 static void CreateDrawingAreas()
2516 {
2517   struct GadgetInfo *gi;
2518   unsigned long event_mask;
2519   int id;
2520   int i;
2521
2522   event_mask =
2523     GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
2524     GD_EVENT_OFF_BORDERS;
2525
2526   /* one for the level drawing area ... */
2527   id = GADGET_ID_DRAWING_LEVEL;
2528   gi = CreateGadget(GDI_CUSTOM_ID, id,
2529                     GDI_X, SX,
2530                     GDI_Y, SY,
2531                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2532                     GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
2533                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2534                     GDI_EVENT_MASK, event_mask,
2535                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2536                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2537                     GDI_END);
2538
2539   if (gi == NULL)
2540     Error(ERR_EXIT, "cannot create gadget");
2541
2542   level_editor_gadget[id] = gi;
2543
2544   /* ... up to eight areas for element content ... */
2545   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
2546   {
2547     int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
2548     int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
2549
2550     id = GADGET_ID_ELEMENT_CONTENT_0 + i;
2551     gi = CreateGadget(GDI_CUSTOM_ID, id,
2552                       GDI_CUSTOM_TYPE_ID, i,
2553                       GDI_X, gx,
2554                       GDI_Y, gy,
2555                       GDI_WIDTH, 3 * MINI_TILEX,
2556                       GDI_HEIGHT, 3 * MINI_TILEY,
2557                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
2558                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2559                       GDI_EVENT_MASK, event_mask,
2560                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2561                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
2562                       GDI_END);
2563
2564     if (gi == NULL)
2565       Error(ERR_EXIT, "cannot create gadget");
2566
2567     level_editor_gadget[id] = gi;
2568   }
2569
2570   /* ... one for the amoeba content ... */
2571   id = GADGET_ID_AMOEBA_CONTENT;
2572   gi = CreateGadget(GDI_CUSTOM_ID, id,
2573                     GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
2574                     GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
2575                     GDI_WIDTH, MINI_TILEX,
2576                     GDI_HEIGHT, MINI_TILEY,
2577                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2578                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2579                     GDI_EVENT_MASK, event_mask,
2580                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2581                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2582                     GDI_END);
2583
2584   if (gi == NULL)
2585     Error(ERR_EXIT, "cannot create gadget");
2586
2587   level_editor_gadget[id] = gi;
2588
2589   /* ... one for each custom element optional graphic element ... */
2590   id = GADGET_ID_CUSTOM_GRAPHIC;
2591   gi = CreateGadget(GDI_CUSTOM_ID, id,
2592                     GDI_X, SX + ED_AREA_ELEM_CONTENT3_XPOS,
2593                     GDI_Y, SY + ED_AREA_ELEM_CONTENT3_YPOS,
2594                     GDI_WIDTH, MINI_TILEX,
2595                     GDI_HEIGHT, MINI_TILEY,
2596                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2597                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2598                     GDI_EVENT_MASK, event_mask,
2599                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2600                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2601                     GDI_END);
2602
2603   if (gi == NULL)
2604     Error(ERR_EXIT, "cannot create gadget");
2605
2606   level_editor_gadget[id] = gi;
2607
2608   /* ... one areas for custom element explosion content ... */
2609   id = GADGET_ID_CUSTOM_CONTENT;
2610   gi = CreateGadget(GDI_CUSTOM_ID, id,
2611                     GDI_CUSTOM_TYPE_ID, i,
2612                     GDI_X, SX + ED_AREA_ELEM_CONTENT4_XPOS,
2613                     GDI_Y, SX + ED_AREA_ELEM_CONTENT4_YPOS,
2614                     GDI_WIDTH, 3 * MINI_TILEX,
2615                     GDI_HEIGHT, 3 * MINI_TILEY,
2616                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2617                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2618                     GDI_EVENT_MASK, event_mask,
2619                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2620                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2621                     GDI_END);
2622
2623   if (gi == NULL)
2624     Error(ERR_EXIT, "cannot create gadget");
2625
2626   level_editor_gadget[id] = gi;
2627
2628   /* ... one for each custom element change target element ... */
2629   id = GADGET_ID_CUSTOM_CHANGED;
2630   gi = CreateGadget(GDI_CUSTOM_ID, id,
2631                     GDI_X, SX + ED_AREA_ELEM_CONTENT2_XPOS,
2632                     GDI_Y, SY + ED_AREA_ELEM_CONTENT2_YPOS,
2633                     GDI_WIDTH, MINI_TILEX,
2634                     GDI_HEIGHT, MINI_TILEY,
2635                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2636                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2637                     GDI_EVENT_MASK, event_mask,
2638                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2639                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2640                     GDI_END);
2641
2642   if (gi == NULL)
2643     Error(ERR_EXIT, "cannot create gadget");
2644
2645   level_editor_gadget[id] = gi;
2646
2647   /* ... and one for random placement background restrictions */
2648
2649   id = GADGET_ID_RANDOM_BACKGROUND;
2650   gi = CreateGadget(GDI_CUSTOM_ID, id,
2651                     GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
2652                     GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
2653                     GDI_WIDTH, MINI_TILEX,
2654                     GDI_HEIGHT, MINI_TILEY,
2655                     GDI_TYPE, GD_TYPE_DRAWING_AREA,
2656                     GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
2657                     GDI_EVENT_MASK, event_mask,
2658                     GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
2659                     GDI_CALLBACK_ACTION, HandleDrawingAreas,
2660                     GDI_END);
2661
2662   if (gi == NULL)
2663     Error(ERR_EXIT, "cannot create gadget");
2664
2665   level_editor_gadget[id] = gi;
2666 }
2667
2668 static void CreateTextInputGadgets()
2669 {
2670   int max_infotext_len = getMaxInfoTextLength();
2671   int i;
2672
2673   for (i=0; i<ED_NUM_TEXTINPUT; i++)
2674   {
2675     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2676     int gd_x, gd_y;
2677     struct GadgetInfo *gi;
2678     unsigned long event_mask;
2679     char infotext[MAX_OUTPUT_LINESIZE + 1];
2680     int id = textinput_info[i].gadget_id;
2681
2682     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2683
2684     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
2685     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
2686
2687     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
2688     infotext[max_infotext_len] = '\0';
2689
2690     gi = CreateGadget(GDI_CUSTOM_ID, id,
2691                       GDI_CUSTOM_TYPE_ID, i,
2692                       GDI_INFO_TEXT, infotext,
2693                       GDI_X, SX + textinput_info[i].x,
2694                       GDI_Y, SY + textinput_info[i].y,
2695                       GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
2696                       GDI_TEXT_VALUE, textinput_info[i].value,
2697                       GDI_TEXT_SIZE, textinput_info[i].size,
2698                       GDI_TEXT_FONT, FONT_INPUT_1,
2699                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2700                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2701                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2702                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2703                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2704                       GDI_EVENT_MASK, event_mask,
2705                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2706                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
2707                       GDI_END);
2708
2709     if (gi == NULL)
2710       Error(ERR_EXIT, "cannot create gadget");
2711
2712     level_editor_gadget[id] = gi;
2713   }
2714 }
2715
2716 static void CreateSelectboxGadgets()
2717 {
2718   int max_infotext_len = getMaxInfoTextLength();
2719   int i, j;
2720
2721   for (i=0; i<ED_NUM_SELECTBOX; i++)
2722   {
2723     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2724     int gd_x, gd_y;
2725     int xoffset = 0;
2726     struct GadgetInfo *gi;
2727     unsigned long event_mask;
2728     char infotext[MAX_OUTPUT_LINESIZE + 1];
2729     int id = selectbox_info[i].gadget_id;
2730
2731     if (selectbox_info[i].size == -1)   /* dynamically determine size */
2732     {
2733       /* (we cannot use -1 for uninitialized values if we directly compare
2734          with results from strlen(), because the '<' and '>' operation will
2735          implicitely cast -1 to an unsigned integer value!) */
2736       selectbox_info[i].size = 0;
2737
2738       for (j=0; selectbox_info[i].options[j].text != NULL; j++)
2739         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
2740           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
2741
2742       selectbox_info[i].size++;         /* add one character empty space */
2743     }
2744
2745     event_mask = GD_EVENT_RELEASED |
2746       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
2747
2748     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
2749     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
2750
2751     /* determine horizontal offset for leading selectbox text */
2752     if (selectbox_info[i].text_left != NULL)
2753       xoffset = (getFontWidth(FONT_TEXT_1) *
2754                  strlen(selectbox_info[i].text_left) +
2755                  2 * ED_GADGET_DISTANCE);
2756
2757     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
2758     infotext[max_infotext_len] = '\0';
2759
2760     gi = CreateGadget(GDI_CUSTOM_ID, id,
2761                       GDI_CUSTOM_TYPE_ID, i,
2762                       GDI_INFO_TEXT, infotext,
2763                       GDI_X, SX + selectbox_info[i].x + xoffset,
2764                       GDI_Y, SY + selectbox_info[i].y,
2765                       GDI_TYPE, GD_TYPE_SELECTBOX,
2766                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
2767                       GDI_SELECTBOX_INDEX, selectbox_info[i].index,
2768                       GDI_TEXT_SIZE, selectbox_info[i].size,
2769                       GDI_TEXT_FONT, FONT_INPUT_1,
2770                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
2771                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
2772                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
2773                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2774                       GDI_BORDER_SIZE_SELECTBUTTON, getFontWidth(FONT_INPUT_1),
2775                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2776                       GDI_EVENT_MASK, event_mask,
2777                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2778                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
2779                       GDI_END);
2780
2781     if (gi == NULL)
2782       Error(ERR_EXIT, "cannot create gadget");
2783
2784     level_editor_gadget[id] = gi;
2785   }
2786 }
2787
2788 static void CreateTextbuttonGadgets()
2789 {
2790   int max_infotext_len = getMaxInfoTextLength();
2791   int i;
2792
2793   for (i=0; i<ED_NUM_TEXTBUTTON; i++)
2794   {
2795     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2796     int gd_x1, gd_x2, gd_y1, gd_y2;
2797     struct GadgetInfo *gi;
2798     unsigned long event_mask;
2799     char infotext[MAX_OUTPUT_LINESIZE + 1];
2800     int id = textbutton_info[i].gadget_id;
2801
2802     if (textbutton_info[i].size == -1)  /* dynamically determine size */
2803       textbutton_info[i].size = strlen(textbutton_info[i].text);
2804
2805     event_mask = GD_EVENT_RELEASED;
2806
2807     if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
2808     {
2809       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
2810       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
2811       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
2812       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
2813     }
2814     else
2815     {
2816       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
2817       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
2818       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
2819       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
2820     }
2821
2822     sprintf(infotext, "%s", textbutton_info[i].infotext);
2823     infotext[max_infotext_len] = '\0';
2824
2825     gi = CreateGadget(GDI_CUSTOM_ID, id,
2826                       GDI_CUSTOM_TYPE_ID, i,
2827                       GDI_INFO_TEXT, infotext,
2828                       GDI_X, SX + textbutton_info[i].x,
2829                       GDI_Y, SY + textbutton_info[i].y,
2830                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
2831                       GDI_TEXT_VALUE, textbutton_info[i].text,
2832                       GDI_TEXT_SIZE, textbutton_info[i].size,
2833                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
2834                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
2835                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2836                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
2837                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
2838                       GDI_BORDER_SIZE, ED_BORDER2_SIZE, ED_BORDER_SIZE,
2839                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
2840                       GDI_DECORATION_SHIFTING, 1, 1,
2841                       GDI_EVENT_MASK, event_mask,
2842                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2843                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
2844                       GDI_END);
2845
2846     if (gi == NULL)
2847       Error(ERR_EXIT, "cannot create gadget");
2848
2849     level_editor_gadget[id] = gi;
2850   }
2851 }
2852
2853 static void CreateScrollbarGadgets()
2854 {
2855   int i;
2856
2857   for (i=0; i<ED_NUM_SCROLLBARS; i++)
2858   {
2859     int id = scrollbar_info[i].gadget_id;
2860     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2861     int gd_x1, gd_x2, gd_y1, gd_y2;
2862     struct GadgetInfo *gi;
2863     int items_max, items_visible, item_position;
2864     unsigned long event_mask;
2865
2866     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
2867     {
2868       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
2869       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
2870       item_position = 0;
2871     }
2872     else        /* drawing area scrollbars */
2873     {
2874       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
2875       {
2876         items_max = MAX(lev_fieldx + 2, ed_fieldx);
2877         items_visible = ed_fieldx;
2878         item_position = 0;
2879       }
2880       else
2881       {
2882         items_max = MAX(lev_fieldy + 2, ed_fieldy);
2883         items_visible = ed_fieldy;
2884         item_position = 0;
2885       }
2886     }
2887
2888     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
2889
2890     gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
2891     gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
2892                       scrollbar_info[i].height : scrollbar_info[i].width));
2893     gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
2894     gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
2895
2896     gi = CreateGadget(GDI_CUSTOM_ID, id,
2897                       GDI_CUSTOM_TYPE_ID, i,
2898                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
2899                       GDI_X, scrollbar_info[i].x,
2900                       GDI_Y, scrollbar_info[i].y,
2901                       GDI_WIDTH, scrollbar_info[i].width,
2902                       GDI_HEIGHT, scrollbar_info[i].height,
2903                       GDI_TYPE, scrollbar_info[i].type,
2904                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
2905                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
2906                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
2907                       GDI_STATE, GD_BUTTON_UNPRESSED,
2908                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
2909                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
2910                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
2911                       GDI_EVENT_MASK, event_mask,
2912                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2913                       GDI_CALLBACK_ACTION, HandleControlButtons,
2914                       GDI_END);
2915
2916     if (gi == NULL)
2917       Error(ERR_EXIT, "cannot create gadget");
2918
2919     level_editor_gadget[id] = gi;
2920   }
2921 }
2922
2923 static void CreateCheckbuttonGadgets()
2924 {
2925   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
2926   struct GadgetInfo *gi;
2927   unsigned long event_mask;
2928   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
2929   boolean checked;
2930   int i;
2931
2932   event_mask = GD_EVENT_PRESSED;
2933
2934   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2935   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
2936   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
2937   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
2938   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
2939
2940   for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
2941   {
2942     int id = radiobutton_info[i].gadget_id;
2943
2944     checked =
2945       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
2946
2947     gi = CreateGadget(GDI_CUSTOM_ID, id,
2948                       GDI_CUSTOM_TYPE_ID, i,
2949                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
2950                       GDI_X, SX + radiobutton_info[i].x,
2951                       GDI_Y, SY + radiobutton_info[i].y,
2952                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2953                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2954                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
2955                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
2956                       GDI_CHECKED, checked,
2957                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2958                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2959                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2960                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2961                       GDI_EVENT_MASK, event_mask,
2962                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2963                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
2964                       GDI_END);
2965
2966     if (gi == NULL)
2967       Error(ERR_EXIT, "cannot create gadget");
2968
2969     level_editor_gadget[id] = gi;
2970   }
2971
2972   for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
2973   {
2974     int id = checkbutton_info[i].gadget_id;
2975
2976     if (id == GADGET_ID_STICK_ELEMENT)
2977       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
2978     else
2979       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
2980
2981     gi = CreateGadget(GDI_CUSTOM_ID, id,
2982                       GDI_CUSTOM_TYPE_ID, i,
2983                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
2984                       GDI_X, SX + checkbutton_info[i].x,
2985                       GDI_Y, SY + checkbutton_info[i].y,
2986                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
2987                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
2988                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
2989                       GDI_CHECKED, *checkbutton_info[i].value,
2990                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2991                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2992                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
2993                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
2994                       GDI_EVENT_MASK, event_mask,
2995                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
2996                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
2997                       GDI_END);
2998
2999     if (gi == NULL)
3000       Error(ERR_EXIT, "cannot create gadget");
3001
3002     level_editor_gadget[id] = gi;
3003   }
3004 }
3005
3006 void CreateLevelEditorGadgets()
3007 {
3008   int old_game_status = game_status;
3009
3010   /* setting 'game_status' is needed to get the right fonts for the editor */
3011   game_status = GAME_MODE_EDITOR;
3012
3013   ReinitializeElementList();
3014
3015   CreateControlButtons();
3016   CreateCounterButtons();
3017   CreateDrawingAreas();
3018   CreateTextInputGadgets();
3019   CreateSelectboxGadgets();
3020   CreateTextbuttonGadgets();
3021   CreateScrollbarGadgets();
3022   CreateCheckbuttonGadgets();
3023
3024   game_status = old_game_status;
3025 }
3026
3027 void FreeLevelEditorGadgets()
3028 {
3029   int i;
3030
3031   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3032     FreeGadget(level_editor_gadget[i]);
3033 }
3034
3035 static void MapCounterButtons(int id)
3036 {
3037   char infotext[MAX_OUTPUT_LINESIZE + 1];
3038   int max_infotext_len = getMaxInfoTextLength();
3039   int xoffset_above = 0;
3040   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3041   int xoffset_left = 0;
3042   int yoffset_left = ED_BORDER_SIZE;
3043   int xoffset_right = getCounterGadgetWidth();
3044   int yoffset_right = ED_BORDER_SIZE;
3045   int x, y;
3046
3047   if (counterbutton_info[id].text_above)
3048   {
3049     x = SX + counterbutton_info[id].x + xoffset_above;
3050     y = SY + counterbutton_info[id].y + yoffset_above;
3051
3052     sprintf(infotext, "%s:", counterbutton_info[id].text_above);
3053     infotext[max_infotext_len] = '\0';
3054     DrawText(x, y, infotext, FONT_TEXT_1);
3055   }
3056
3057   if (counterbutton_info[id].text_left)
3058   {
3059     x = SX + counterbutton_info[id].x + xoffset_left;
3060     y = SY + counterbutton_info[id].y + yoffset_left;
3061
3062     sprintf(infotext, "%s", counterbutton_info[id].text_left);
3063     infotext[max_infotext_len] = '\0';
3064     DrawText(x, y, infotext, FONT_TEXT_1);
3065   }
3066
3067   if (counterbutton_info[id].text_right)
3068   {
3069     int gadget_id = counterbutton_info[id].gadget_id_down;
3070
3071     x = level_editor_gadget[gadget_id]->x + xoffset_right;
3072     y = SY + counterbutton_info[id].y + yoffset_right;
3073
3074     sprintf(infotext, "%s", counterbutton_info[id].text_right);
3075     infotext[max_infotext_len] = '\0';
3076     DrawText(x, y, infotext, FONT_TEXT_1);
3077   }
3078
3079   ModifyEditorCounter(id, *counterbutton_info[id].value);
3080
3081   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
3082   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
3083   MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
3084 }
3085
3086 static void MapControlButtons()
3087 {
3088   int counter_id;
3089   int i;
3090
3091   /* map toolbox buttons */
3092   for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
3093     MapGadget(level_editor_gadget[i]);
3094
3095   /* map buttons to select elements */
3096   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3097     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
3098   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
3099   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
3100   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
3101
3102   /* map buttons to select level */
3103   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
3104   ModifyEditorCounterLimits(counter_id,
3105                             leveldir_current->first_level,
3106                             leveldir_current->last_level);
3107   MapCounterButtons(counter_id);
3108 }
3109
3110 static void MapDrawingArea(int id)
3111 {
3112   MapGadget(level_editor_gadget[id]);
3113 }
3114
3115 static void MapTextInputGadget(int id)
3116 {
3117   char infotext[MAX_OUTPUT_LINESIZE + 1];
3118   int max_infotext_len = getMaxInfoTextLength();
3119   int xoffset_above = 0;
3120   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
3121   int x = textinput_info[id].x + xoffset_above;
3122   int y = textinput_info[id].y + yoffset_above;
3123
3124   sprintf(infotext, "%s:", textinput_info[id].infotext);
3125   infotext[max_infotext_len] = '\0';
3126
3127   DrawTextF(x, y, FONT_TEXT_1, infotext);
3128   ModifyGadget(level_editor_gadget[textinput_info[id].gadget_id],
3129                GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
3130
3131   MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
3132 }
3133
3134 static void MapSelectboxGadget(int id)
3135 {
3136   int xoffset_left = 0;
3137   int yoffset_left = ED_BORDER_SIZE;
3138   int x = selectbox_info[id].x + xoffset_left;
3139   int y = selectbox_info[id].y + yoffset_left;
3140
3141   DrawTextF(x, y, FONT_TEXT_1, selectbox_info[id].text_left);
3142   ModifyEditorSelectbox(id, *selectbox_info[id].value);
3143
3144   MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
3145 }
3146
3147 static void MapTextbuttonGadget(int id)
3148 {
3149   MapGadget(level_editor_gadget[textbutton_info[id].gadget_id]);
3150 }
3151
3152 static void MapRadiobuttonGadget(int id)
3153 {
3154   int xoffset_right = ED_XOFFSET_CHECKBOX;
3155   int yoffset_right = ED_BORDER_SIZE;
3156   int x = radiobutton_info[id].x + xoffset_right;
3157   int y = radiobutton_info[id].y + yoffset_right;
3158   boolean checked =
3159     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
3160
3161   DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[id].text_right);
3162   ModifyGadget(level_editor_gadget[radiobutton_info[id].gadget_id],
3163                GDI_CHECKED, checked, GDI_END);
3164
3165   MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
3166 }
3167
3168 static void MapCheckbuttonGadget(int id)
3169 {
3170   int xoffset_right = ED_XOFFSET_CHECKBOX;
3171   int yoffset_right = ED_BORDER_SIZE;
3172   int x = checkbutton_info[id].x + xoffset_right;
3173   int y = checkbutton_info[id].y + yoffset_right;
3174
3175   DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[id].text_right);
3176   ModifyGadget(level_editor_gadget[checkbutton_info[id].gadget_id],
3177                GDI_CHECKED, *checkbutton_info[id].value,
3178                GDI_Y, SY + checkbutton_info[id].y, GDI_END);
3179
3180   MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
3181 }
3182
3183 static void MapMainDrawingArea()
3184 {
3185   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
3186   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
3187   int i;
3188
3189   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
3190   {
3191     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
3192           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
3193          no_horizontal_scrollbar) ||
3194         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
3195           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
3196          no_vertical_scrollbar))
3197       continue;
3198
3199     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
3200   }
3201
3202   for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
3203   {
3204     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
3205         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
3206       continue;
3207
3208     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
3209   }
3210
3211   MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
3212 }
3213
3214 static void UnmapDrawingArea(int id)
3215 {
3216   UnmapGadget(level_editor_gadget[id]);
3217 }
3218
3219 void UnmapLevelEditorWindowGadgets()
3220 {
3221   int i;
3222
3223   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3224     if (level_editor_gadget[i]->x < SX + SXSIZE)
3225       UnmapGadget(level_editor_gadget[i]);
3226 }
3227
3228 void UnmapLevelEditorGadgets()
3229 {
3230   int i;
3231
3232   for (i=0; i<NUM_EDITOR_GADGETS; i++)
3233     UnmapGadget(level_editor_gadget[i]);
3234 }
3235
3236 static void ResetUndoBuffer()
3237 {
3238   undo_buffer_position = -1;
3239   undo_buffer_steps = -1;
3240   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
3241 }
3242
3243 static void DrawEditModeWindow()
3244 {
3245   if (edit_mode == ED_MODE_INFO)
3246     DrawLevelInfoWindow();
3247   else if (edit_mode == ED_MODE_PROPERTIES)
3248     DrawPropertiesWindow();
3249   else  /* edit_mode == ED_MODE_DRAWING */
3250     DrawDrawingWindow();
3251 }
3252
3253 static boolean LevelChanged()
3254 {
3255   boolean level_changed = FALSE;
3256   int x, y;
3257
3258   for(y=0; y<lev_fieldy; y++)
3259     for(x=0; x<lev_fieldx; x++)
3260       if (Feld[x][y] != Ur[x][y])
3261         level_changed = TRUE;
3262
3263   return level_changed;
3264 }
3265
3266 static boolean LevelContainsPlayer()
3267 {
3268   boolean player_found = FALSE;
3269   int x, y;
3270
3271   for(y=0; y<lev_fieldy; y++)
3272     for(x=0; x<lev_fieldx; x++)
3273       if (Feld[x][y] == EL_PLAYER_1 ||
3274           Feld[x][y] == EL_SP_MURPHY)
3275         player_found = TRUE;
3276
3277   return player_found;
3278 }
3279
3280 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
3281                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
3282 {
3283   int x, y;
3284
3285   for(x=0; x<lev_fieldx; x++)
3286     for(y=0; y<lev_fieldy; y++)
3287       dst[x][y] = src[x][y];
3288 }
3289
3290 static void CopyCustomElementPropertiesToEditor(int element)
3291 {
3292   int i;
3293
3294   custom_element = element_info[properties_element];
3295
3296   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3297     custom_element_properties[i] = HAS_PROPERTY(element, i);
3298
3299   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3300     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
3301
3302   /* set walk-to-object action selectbox help value */
3303   custom_element.walk_to_action =
3304     (IS_DIGGABLE(element) ? EP_DIGGABLE :
3305      IS_COLLECTIBLE(element) ? EP_COLLECTIBLE :
3306      IS_PUSHABLE(element) ? EP_PUSHABLE :
3307      EP_DIGGABLE);
3308
3309   /* set deadliness selectbox help value */
3310   custom_element.deadliness =
3311     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
3312      IS_ENEMY(element) ? EP_ENEMY :
3313      DONT_GO_TO(element) ? EP_DONT_GO_TO :
3314      EP_DONT_GO_TO);
3315
3316   /* set walkable layer selectbox help value */
3317   custom_element.walkable_layer =
3318     (IS_WALKABLE_OVER(element) ? EP_WALKABLE_OVER :
3319      IS_WALKABLE_INSIDE(element) ? EP_WALKABLE_INSIDE :
3320      IS_WALKABLE_UNDER(element) ? EP_WALKABLE_UNDER :
3321      EP_WALKABLE_OVER);
3322 }
3323
3324 static void CopyCustomElementPropertiesToGame(int element)
3325 {
3326   int i;
3327
3328   element_info[properties_element] = custom_element;
3329
3330   /* set walk-to-object property from checkbox and selectbox */
3331   custom_element_properties[EP_DIGGABLE] = FALSE;
3332   custom_element_properties[EP_COLLECTIBLE] = FALSE;
3333   custom_element_properties[EP_PUSHABLE] = FALSE;
3334   custom_element_properties[custom_element.walk_to_action] =
3335     custom_element_properties[EP_WALK_TO_OBJECT];
3336
3337   /* set deadliness property from checkbox and selectbox */
3338   custom_element_properties[EP_DONT_GO_TO] = FALSE;
3339   custom_element_properties[EP_ENEMY] = FALSE;
3340   custom_element_properties[EP_DONT_TOUCH] = FALSE;
3341   custom_element_properties[custom_element.deadliness] =
3342     custom_element_properties[EP_DEADLY];
3343
3344   /* set walkable property from checkbox and selectbox */
3345   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
3346   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
3347   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
3348   custom_element_properties[custom_element.walkable_layer] =
3349     custom_element_properties[EP_WALKABLE];
3350
3351   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
3352     SET_PROPERTY(element, i, custom_element_properties[i]);
3353
3354   for (i=0; i < NUM_CHANGE_EVENTS; i++)
3355     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
3356
3357   /* copy change events also to special level editor variable */
3358   custom_element = element_info[properties_element];
3359 }
3360
3361 void DrawLevelEd()
3362 {
3363   CloseDoor(DOOR_CLOSE_ALL);
3364   OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
3365
3366   if (level_editor_test_game)
3367   {
3368     CopyPlayfield(Ur, Feld);
3369     CopyPlayfield(FieldBackup, Ur);
3370
3371     level_editor_test_game = FALSE;
3372   }
3373   else
3374   {
3375     edit_mode = ED_MODE_DRAWING;
3376     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
3377
3378     ResetUndoBuffer();
3379
3380     level_xpos = -1;
3381     level_ypos = -1;
3382   }
3383
3384   /* copy default editor door content to main double buffer */
3385   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3386              DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
3387
3388   /* draw mouse button brush elements */
3389   DrawMiniGraphicExt(drawto,
3390                      DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3391                      el2edimg(new_element1));
3392   DrawMiniGraphicExt(drawto,
3393                      DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3394                      el2edimg(new_element2));
3395   DrawMiniGraphicExt(drawto,
3396                      DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3397                      el2edimg(new_element3));
3398
3399   /* draw bigger door */
3400   DrawSpecialEditorDoor();
3401
3402   /* draw new control window */
3403   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
3404              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
3405
3406   redraw_mask |= REDRAW_ALL;
3407
3408   ReinitializeElementListButtons();     /* only needed after setup changes */
3409
3410   UnmapTapeButtons();
3411   MapControlButtons();
3412
3413   /* copy actual editor door content to door double buffer for OpenDoor() */
3414   BlitBitmap(drawto, bitmap_db_door,
3415              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
3416
3417   DrawEditModeWindow();
3418
3419   OpenDoor(DOOR_OPEN_1);
3420 }
3421
3422 static void AdjustDrawingAreaGadgets()
3423 {
3424   int ed_xsize = lev_fieldx + 2;
3425   int ed_ysize = lev_fieldy + 2;
3426   int max_ed_fieldx = MAX_ED_FIELDX;
3427   int max_ed_fieldy = MAX_ED_FIELDY;
3428   boolean horizontal_scrollbar_needed;
3429   boolean vertical_scrollbar_needed;
3430   int x, y, width, height;
3431   int xoffset, yoffset;
3432
3433   /* check if we need any scrollbars */
3434   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3435   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3436
3437   /* check if we have a smaller editor field because of scrollbars */
3438   if (horizontal_scrollbar_needed)
3439     max_ed_fieldy = MAX_ED_FIELDY - 1;
3440   if (vertical_scrollbar_needed)
3441     max_ed_fieldx = MAX_ED_FIELDX - 1;
3442
3443   /* check again if we now need more scrollbars because of less space */
3444   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
3445   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
3446
3447   /* check if editor field gets even smaller after adding new scrollbars */
3448   if (horizontal_scrollbar_needed)
3449     max_ed_fieldy = MAX_ED_FIELDY - 1;
3450   if (vertical_scrollbar_needed)
3451     max_ed_fieldx = MAX_ED_FIELDX - 1;
3452
3453   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
3454   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
3455
3456   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
3457                GDI_WIDTH, ed_fieldx * MINI_TILEX,
3458                GDI_HEIGHT, ed_fieldy * MINI_TILEY,
3459                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
3460                GDI_END);
3461
3462   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
3463   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
3464
3465   x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
3466   y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
3467
3468   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
3469   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
3470
3471   width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
3472   height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
3473
3474   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
3475                GDI_WIDTH, width,
3476                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
3477                GDI_END);
3478   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
3479                GDI_HEIGHT, height,
3480                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
3481                GDI_END);
3482 }
3483
3484 static void AdjustLevelScrollPosition()
3485 {
3486   if (level_xpos < -1)
3487     level_xpos = -1;
3488   if (level_xpos > lev_fieldx - ed_fieldx + 1)
3489     level_xpos = lev_fieldx - ed_fieldx + 1;
3490   if (lev_fieldx < ed_fieldx - 2)
3491     level_xpos = -1;
3492
3493   if (level_ypos < -1)
3494     level_ypos = -1;
3495   if (level_ypos > lev_fieldy - ed_fieldy + 1)
3496     level_ypos = lev_fieldy - ed_fieldy + 1;
3497   if (lev_fieldy < ed_fieldy - 2)
3498     level_ypos = -1;
3499 }
3500
3501 static void AdjustEditorScrollbar(int id)
3502 {
3503   struct GadgetInfo *gi = level_editor_gadget[id];
3504   int items_max, items_visible, item_position;
3505
3506   if (id == GADGET_ID_SCROLL_HORIZONTAL)
3507   {
3508     items_max = MAX(lev_fieldx + 2, ed_fieldx);
3509     items_visible = ed_fieldx;
3510     item_position = level_xpos + 1;
3511   }
3512   else
3513   {
3514     items_max = MAX(lev_fieldy + 2, ed_fieldy);
3515     items_visible = ed_fieldy;
3516     item_position = level_ypos + 1;
3517   }
3518
3519   if (item_position > items_max - items_visible)
3520     item_position = items_max - items_visible;
3521
3522   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
3523                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
3524 }
3525
3526 static void ModifyEditorCounter(int counter_id, int new_value)
3527 {
3528   int *counter_value = counterbutton_info[counter_id].value;
3529   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3530   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3531
3532   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
3533
3534   if (counter_value != NULL)
3535     *counter_value = gi->text.number_value;
3536 }
3537
3538 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
3539 {
3540   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
3541   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3542
3543   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
3544 }
3545
3546 static void ModifyEditorSelectbox(int selectbox_id, int new_value)
3547 {
3548   int gadget_id = selectbox_info[selectbox_id].gadget_id;
3549   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3550   int new_index_value = 0;
3551   int i;
3552
3553   for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
3554     if (selectbox_info[selectbox_id].options[i].value == new_value)
3555       new_index_value = i;
3556
3557   *selectbox_info[selectbox_id].value =
3558     selectbox_info[selectbox_id].options[new_index_value].value;
3559
3560   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
3561 }
3562
3563 static void ModifyEditorElementList()
3564 {
3565   int i;
3566
3567   for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
3568   {
3569     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
3570     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
3571     struct GadgetDesign *gd = &gi->deco.design;
3572     int element = editor_elements[element_shift + i];
3573
3574     UnmapGadget(gi);
3575     getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
3576     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
3577     MapGadget(gi);
3578   }
3579 }
3580
3581 static void PickDrawingElement(int button, int element)
3582 {
3583   if (button < 1 || button > 3)
3584     return;
3585
3586   if (button == 1)
3587   {
3588     new_element1 = element;
3589     DrawMiniGraphicExt(drawto,
3590                        DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
3591                        el2edimg(new_element1));
3592   }
3593   else if (button == 2)
3594   {
3595     new_element2 = element;
3596     DrawMiniGraphicExt(drawto,
3597                        DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
3598                        el2edimg(new_element2));
3599   }
3600   else
3601   {
3602     new_element3 = element;
3603     DrawMiniGraphicExt(drawto,
3604                        DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
3605                        el2edimg(new_element3));
3606   }
3607
3608   redraw_mask |= REDRAW_DOOR_1;
3609 }
3610
3611 static void RedrawDrawingElements()
3612 {
3613   PickDrawingElement(1, new_element1);
3614   PickDrawingElement(2, new_element2);
3615   PickDrawingElement(3, new_element3);
3616 }
3617
3618 static void DrawDrawingWindow()
3619 {
3620   stick_element_properties_window = FALSE;
3621
3622   SetMainBackgroundImage(IMG_UNDEFINED);
3623   ClearWindow();
3624   UnmapLevelEditorWindowGadgets();
3625
3626   AdjustDrawingAreaGadgets();
3627   AdjustLevelScrollPosition();
3628   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
3629   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
3630
3631   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
3632   MapMainDrawingArea();
3633 }
3634
3635 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
3636                               boolean input)
3637 {
3638   int border_graphic =
3639     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
3640   Bitmap *src_bitmap;
3641   int src_x, src_y;
3642   int num_mini_tilex = width / MINI_TILEX + 1;
3643   int num_mini_tiley = width / MINI_TILEY + 1;
3644   int x, y;
3645
3646   getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
3647
3648   for (y=0; y < num_mini_tiley; y++)
3649     for (x=0; x < num_mini_tilex; x++)
3650       BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
3651                  dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
3652                  dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
3653
3654   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
3655 }
3656
3657 static void DrawRandomPlacementBackgroundArea()
3658 {
3659   int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
3660   int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
3661   int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
3662   int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
3663
3664   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3665   DrawMiniElement(area_x, area_y, random_placement_background_element);
3666
3667   MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
3668 }
3669
3670 static void DrawLevelInfoWindow()
3671 {
3672   int i;
3673
3674   stick_element_properties_window = FALSE;
3675
3676   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
3677   ClearWindow();
3678   UnmapLevelEditorWindowGadgets();
3679
3680   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
3681            "Level Settings", FONT_TITLE_1);
3682   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
3683            "Editor Settings", FONT_TITLE_1);
3684
3685   /* draw counter gadgets */
3686   for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
3687     MapCounterButtons(i);
3688
3689   /* draw checkbutton gadgets */
3690   for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
3691     MapCheckbuttonGadget(i);
3692
3693   /* draw radiobutton gadgets */
3694   for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
3695     MapRadiobuttonGadget(i);
3696
3697   /* draw text input gadgets */
3698   for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
3699     MapTextInputGadget(i);
3700
3701   /* draw drawing area */
3702   DrawRandomPlacementBackgroundArea();
3703 }
3704
3705 static void DrawAmoebaContentArea()
3706 {
3707   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3708   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3709   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3710   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3711
3712   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3713   DrawMiniElement(area_x, area_y, level.amoeba_content);
3714
3715   DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
3716
3717   MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
3718 }
3719
3720 static void DrawCustomGraphicElementArea()
3721 {
3722   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_GRAPHIC];
3723   int xpos = ED_AREA_ELEM_CONTENT3_XPOS;
3724   int ypos = ED_AREA_ELEM_CONTENT3_YPOS;
3725   int area_sx = SX + xpos;
3726   int area_sy = SY + ypos;
3727
3728   if (!IS_CUSTOM_ELEMENT(properties_element))
3729   {
3730     /* this should never happen */
3731     Error(ERR_WARN, "element %d is no custom element", properties_element);
3732
3733     return;
3734   }
3735
3736   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3737   DrawMiniGraphicExt(drawto, gi->x, gi->y,
3738                      el2edimg(custom_element.gfx_element));
3739
3740   MapDrawingArea(GADGET_ID_CUSTOM_GRAPHIC);
3741 }
3742
3743 static void DrawCustomContentArea()
3744 {
3745   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CONTENT];
3746   int area_sx = SX + ED_AREA_ELEM_CONTENT4_XPOS;
3747   int area_sy = SY + ED_AREA_ELEM_CONTENT4_YPOS;
3748   int x, y;
3749
3750   if (!IS_CUSTOM_ELEMENT(properties_element))
3751   {
3752     /* this should never happen */
3753     Error(ERR_WARN, "element %d is no custom element", properties_element);
3754
3755     return;
3756   }
3757
3758   DrawElementBorder(area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
3759
3760   for (y=0; y<3; y++)
3761     for (x=0; x<3; x++)
3762       DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
3763                          el2edimg(custom_element.content[x][y]));
3764
3765   MapDrawingArea(GADGET_ID_CUSTOM_CONTENT);
3766 }
3767
3768 static void DrawCustomChangedArea()
3769 {
3770   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGED];
3771   int xpos = ED_AREA_ELEM_CONTENT2_XPOS;
3772   int ypos = ED_AREA_ELEM_CONTENT2_YPOS;
3773   int area_sx = SX + xpos;
3774   int area_sy = SY + ypos;
3775
3776   if (!IS_CUSTOM_ELEMENT(properties_element))
3777   {
3778     /* this should never happen */
3779     Error(ERR_WARN, "element %d is no custom element", properties_element);
3780
3781     return;
3782   }
3783
3784   DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
3785   DrawMiniGraphicExt(drawto, gi->x, gi->y,
3786                      el2edimg(custom_element.change.successor));
3787
3788   MapDrawingArea(GADGET_ID_CUSTOM_CHANGED);
3789 }
3790
3791 static void DrawElementContentAreas()
3792 {
3793   int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
3794   int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
3795   int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
3796   int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
3797   int i, x, y;
3798
3799   for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
3800     UnmapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
3801
3802   /* display counter to choose number of element content areas */
3803   MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
3804
3805   /* delete content areas in case of reducing number of them */
3806   DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
3807
3808   for (i=0; i<level.num_yamyam_contents; i++)
3809     DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
3810                       area_sy + 6 * (i / 4) * MINI_TILEY,
3811                       3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
3812
3813   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
3814            "Content", FONT_TEXT_1);
3815   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
3816            "when",    FONT_TEXT_1);
3817   DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
3818            "smashed", FONT_TEXT_1);
3819
3820   for (i=0; i<level.num_yamyam_contents; i++)
3821   {
3822     for (y=0; y<3; y++)
3823       for (x=0; x<3; x++)
3824         DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
3825                         level.yamyam_content[i][x][y]);
3826
3827     DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
3828               area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
3829               FONT_TEXT_1, "%d", i + 1);
3830   }
3831
3832   for (i=0; i<level.num_yamyam_contents; i++)
3833     MapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
3834 }
3835
3836 char *getElementDescriptionFilename(int element)
3837 {
3838   char *docs_dir = options.docs_directory;
3839   char *elements_subdir = "elements";
3840   static char *filename = NULL;
3841   char basename[MAX_FILENAME_LEN];
3842
3843   if (filename != NULL)
3844     free(filename);
3845
3846   /* 1st try: look for element description file for exactly this element */
3847   sprintf(basename, "%s.txt", element_info[element].token_name);
3848   filename = getPath3(docs_dir, elements_subdir, basename);
3849   if (fileExists(filename))
3850     return filename;
3851
3852   free(filename);
3853
3854   /* 2nd try: look for element description file for this element's class */
3855   sprintf(basename, "%s.txt", element_info[element].class_name);
3856   filename = getPath3(docs_dir, elements_subdir, basename);
3857   if (fileExists(filename))
3858     return filename;
3859
3860   return NULL;
3861 }
3862
3863 static boolean PrintInfoText(char *text, int font_nr, int screen_line)
3864 {
3865   int font_height = getFontHeight(font_nr);
3866   int pad_x = ED_SETTINGS_XPOS(0);
3867   int pad_y = ED_SETTINGS_YPOS(0);
3868   int sx = SX + pad_x;
3869   int sy = SY + pad_y;
3870   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
3871
3872   if (screen_line >= max_lines_per_screen)
3873     return FALSE;
3874
3875   DrawText(sx, sy + screen_line * font_height, text, font_nr);
3876
3877   return TRUE;
3878 }
3879
3880 static int PrintElementDescriptionFromFile(char *filename, int screen_line)
3881 {
3882   int font_nr = FONT_TEXT_2;
3883   int font_width = getFontWidth(font_nr);
3884   int pad_x = ED_SETTINGS_XPOS(0);
3885   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
3886   char line[MAX_LINE_LEN];
3887   char buffer[max_chars_per_line + 1];
3888   int buffer_len;
3889   int lines_printed = 0;
3890   FILE *file;
3891
3892   if (filename == NULL)
3893     return 0;
3894
3895   if (!(file = fopen(filename, MODE_READ)))
3896     return 0;
3897
3898   buffer[0] = '\0';
3899   buffer_len = 0;
3900
3901   while(!feof(file))
3902   {
3903     char *line_ptr, *word_ptr;
3904     boolean last_line_was_empty = TRUE;
3905
3906     /* read next line of input file */
3907     if (!fgets(line, MAX_LINE_LEN, file))
3908       break;
3909
3910     /* skip comments (lines directly beginning with '#') */
3911     if (line[0] == '#')
3912       continue;
3913
3914     /* cut trailing newline from input line */
3915     for (line_ptr = line; *line_ptr; line_ptr++)
3916     {
3917       if (*line_ptr == '\n' || *line_ptr == '\r')
3918       {
3919         *line_ptr = '\0';
3920         break;
3921       }
3922     }
3923
3924     if (strlen(line) == 0)              /* special case: force empty line */
3925       strcpy(line, "\n");
3926
3927     word_ptr = line;
3928
3929     while (*word_ptr)
3930     {
3931       boolean print_buffer = FALSE;
3932       int word_len;
3933
3934       /* skip leading whitespaces */
3935       while (*word_ptr == ' ' || *word_ptr == '\t')
3936         word_ptr++;
3937
3938       line_ptr = word_ptr;
3939       word_len = 0;
3940
3941       /* look for end of next word */
3942       while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
3943       {
3944         line_ptr++;
3945         word_len++;
3946       }
3947
3948       if (word_len == 0)
3949       {
3950         continue;
3951       }
3952       else if (*word_ptr == '\n')       /* special case: force empty line */
3953       {
3954         if (buffer_len == 0)
3955           word_ptr++;
3956
3957         /* prevent printing of multiple empty lines */
3958         if (buffer_len > 0 || !last_line_was_empty)
3959           print_buffer = TRUE;
3960       }
3961       else if (word_len < max_chars_per_line - buffer_len)
3962       {
3963         /* word fits into text buffer -- add word */
3964
3965         if (buffer_len > 0)
3966           buffer[buffer_len++] = ' ';
3967
3968         strncpy(&buffer[buffer_len], word_ptr, word_len);
3969         buffer_len += word_len;
3970         buffer[buffer_len] = '\0';
3971         word_ptr += word_len;
3972       }
3973       else if (buffer_len > 0)
3974       {
3975         /* not enough space left for word in text buffer -- print buffer */
3976
3977         print_buffer = TRUE;
3978       }
3979       else
3980       {
3981         /* word does not fit at all into empty text buffer -- cut word */
3982
3983         strncpy(buffer, word_ptr, max_chars_per_line);
3984         buffer[max_chars_per_line] = '\0';
3985         word_ptr += max_chars_per_line;
3986         print_buffer = TRUE;
3987       }
3988
3989       if (print_buffer)
3990       {
3991         if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
3992           return lines_printed;
3993
3994         last_line_was_empty = (buffer_len == 0);
3995         lines_printed++;
3996
3997         buffer[0] = '\0';
3998         buffer_len = 0;
3999         print_buffer = FALSE;
4000       }
4001     }
4002   }
4003
4004   fclose(file);
4005
4006   if (buffer_len > 0)
4007     if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
4008       lines_printed++;
4009
4010   return lines_printed;
4011 }
4012
4013 static void DrawPropertiesTabulatorGadgets()
4014 {
4015   struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
4016   struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
4017   int gd_x = gd->x + gd_gi->border.width / 2;
4018   int gd_y = gd->y + gd_gi->height - 1;
4019   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
4020   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
4021   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
4022   int i;
4023
4024   /* draw additional "configure" tabulator for configurable elements */
4025   if (checkPropertiesConfig())
4026     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
4027
4028   /* draw additional "advanced" tabulator for custom elements */
4029   if (IS_CUSTOM_ELEMENT(properties_element))
4030     id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
4031
4032   for (i=id_first; i <= id_last; i++)
4033   {
4034     int gadget_id = textbutton_info[i].gadget_id;
4035     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
4036     boolean active = (i != edit_mode_properties);
4037
4038     /* draw background line below tabulator button */
4039     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
4040
4041     /* draw solid line below inactive tabulator buttons */
4042     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
4043       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
4044
4045     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
4046     MapTextbuttonGadget(i);
4047   }
4048
4049   /* draw little border line below tabulator buttons */
4050   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
4051     FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
4052                   3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
4053                   ED_GADGET_DISTANCE, tab_color);
4054 }
4055
4056 static void DrawPropertiesInfo()
4057 {
4058   static struct
4059   {
4060     int value;
4061     char *text;
4062   }
4063   properties[] =
4064   {
4065     /* configurable properties */
4066     { EP_INDESTRUCTIBLE,        "- undestructible"                      },
4067     { EP_DIGGABLE,              "- diggable"                            },
4068     { EP_COLLECTIBLE,           "- collectible"                         },
4069     { EP_PUSHABLE,              "- pushable"                            },
4070     { EP_CAN_FALL,              "- can fall"                            },
4071     { EP_CAN_SMASH,             "- can smash other objects"             },
4072     { EP_CAN_MOVE,              "- can move"                            },
4073     { EP_SLIPPERY,              "- slippery for falling objects"        },
4074     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
4075     { EP_WALKABLE_OVER,         "- player can walk over it"             },
4076     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
4077     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
4078     { EP_PASSABLE_OVER,         "- player can pass over it"             },
4079     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
4080     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
4081
4082     /* pre-defined properties */
4083     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
4084     { EP_DONT_TOUCH,            "- deadly when touched"                 },
4085     { EP_ENEMY,                 "- can kill the player"                 },
4086     { EP_DONT_GO_TO,            "- deadly when walked to"               },
4087     { EP_CAN_EXPLODE,           "- can explode"                         },
4088     { EP_HAS_CONTENT,           "- can contain other elements"          },
4089
4090     { -1,                       NULL                                    }
4091   };
4092   char *filename = getElementDescriptionFilename(properties_element);
4093   char *percentage_text = "In this level:";
4094   char *properties_text = "Standard properties:";
4095   float percentage;
4096   int num_elements_in_level;
4097   int num_standard_properties = 0;
4098   int font1_nr = FONT_TEXT_1;
4099   int font2_nr = FONT_TEXT_2;
4100   int font1_width = getFontWidth(font1_nr);
4101   int font2_height = getFontHeight(font2_nr);
4102   int pad_x = ED_SETTINGS_XPOS(0);
4103   int pad_y = ED_SETTINGS_YPOS(0);
4104   int screen_line = 0;
4105   int i, x, y;
4106
4107   /* ----- print number of elements / percentage of this element in level */
4108
4109   num_elements_in_level = 0;
4110   for (y=0; y<lev_fieldy; y++)
4111     for (x=0; x<lev_fieldx; x++)
4112       if (Feld[x][y] == properties_element)
4113         num_elements_in_level++;
4114   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
4115
4116   DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
4117             percentage_text);
4118   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
4119             pad_y + screen_line++ * font2_height, font2_nr,
4120             "%d (%.2f%%)", num_elements_in_level, percentage);
4121
4122   screen_line++;
4123
4124   /* ----- print standard properties of this element */
4125
4126   DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
4127             properties_text);
4128
4129   for (i=0; properties[i].value != -1; i++)
4130   {
4131     if (!HAS_PROPERTY(properties_element, properties[i].value))
4132       continue;
4133
4134     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
4135               properties[i].text);
4136     num_standard_properties++;
4137   }
4138
4139   if (num_standard_properties == 0)
4140     DrawTextF(pad_x + strlen(properties_text) * font1_width,
4141               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
4142
4143   screen_line++;
4144
4145   /* ----- print special description of this element */
4146
4147   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
4148   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
4149     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
4150 }
4151
4152 #define TEXT_COLLECTING         "Score for collecting"
4153 #define TEXT_SMASHING           "Score for smashing"
4154 #define TEXT_CRACKING           "Score for cracking"
4155 #define TEXT_SPEED              "Speed of amoeba growth"
4156 #define TEXT_DURATION           "Duration when activated"
4157
4158 static struct
4159 {
4160   int element;
4161   int *value;
4162   char *text;
4163 } elements_with_counter[] =
4164 {
4165   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
4166   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
4167   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4168   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4169   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
4170   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
4171   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
4172   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
4173   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
4174   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
4175   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
4176   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
4177   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
4178   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
4179   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
4180   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
4181   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
4182   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
4183   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4184   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4185   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4186   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4187   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4188   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4189   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4190   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4191   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
4192   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4193   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
4194   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
4195   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
4196   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
4197   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4198   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
4199   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
4200   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
4201   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
4202   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4203   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
4204   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4205   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
4206   { EL_EXTRA_TIME,      &level.score[SC_TIME_BONUS],    TEXT_COLLECTING },
4207   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
4208   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
4209   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
4210   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
4211   { EL_EM_KEY_1_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4212   { EL_EM_KEY_2_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4213   { EL_EM_KEY_3_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4214   { EL_EM_KEY_4_FILE,   &level.score[SC_KEY],           TEXT_COLLECTING },
4215   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_SPEED      },
4216   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_SPEED      },
4217   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_SPEED      },
4218   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_SPEED      },
4219   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
4220   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
4221   { -1,                 NULL,                           NULL            }
4222 };
4223
4224 static boolean checkPropertiesConfig()
4225 {
4226   int i;
4227
4228   if (IS_GEM(properties_element) ||
4229       IS_CUSTOM_ELEMENT(properties_element) ||
4230       HAS_CONTENT(properties_element))
4231     return TRUE;
4232   else
4233     for (i=0; elements_with_counter[i].element != -1; i++)
4234       if (elements_with_counter[i].element == properties_element)
4235         return TRUE;
4236
4237   return FALSE;
4238 }
4239
4240 static void DrawPropertiesConfig()
4241 {
4242   int i;
4243
4244   /* check if there are elements where a score can be chosen for */
4245   for (i=0; elements_with_counter[i].element != -1; i++)
4246   {
4247     if (elements_with_counter[i].element == properties_element)
4248     {
4249       int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
4250
4251       counterbutton_info[counter_id].value = elements_with_counter[i].value;
4252       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
4253       MapCounterButtons(counter_id);
4254
4255       break;
4256     }
4257   }
4258
4259   if (HAS_CONTENT(properties_element))
4260   {
4261     /* draw stickybutton gadget */
4262     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4263     checkbutton_info[i].y = ED_COUNTER_YPOS(4);
4264     MapCheckbuttonGadget(i);
4265
4266     if (IS_AMOEBOID(properties_element))
4267       DrawAmoebaContentArea();
4268     else
4269       DrawElementContentAreas();
4270   }
4271
4272   if (IS_GEM(properties_element))
4273     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
4274
4275   if (IS_CUSTOM_ELEMENT(properties_element))
4276   {
4277     /* draw stickybutton gadget */
4278     i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4279     checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4280     MapCheckbuttonGadget(i);
4281
4282     /* draw checkbutton gadgets */
4283     for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
4284          i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
4285       MapCheckbuttonGadget(i);
4286
4287     /* draw counter gadgets */
4288     for (i=ED_COUNTER_ID_CUSTOM_FIRST; i<=ED_COUNTER_ID_CUSTOM_LAST; i++)
4289       MapCounterButtons(i);
4290
4291     /* draw selectbox gadgets */
4292     for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
4293       MapSelectboxGadget(i);
4294
4295     /* draw drawing area gadgets */
4296     DrawCustomContentArea();
4297   }
4298 }
4299
4300 static void DrawPropertiesAdvanced()
4301 {
4302   int i;
4303
4304   /* draw stickybutton gadget */
4305   i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
4306   checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
4307   MapCheckbuttonGadget(i);
4308
4309   /* draw checkbutton gadgets */
4310   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
4311        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
4312     MapCheckbuttonGadget(i);
4313
4314   /* draw counter gadgets */
4315   for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
4316     MapCounterButtons(i);
4317
4318   /* draw selectbox gadgets */
4319   for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
4320     MapSelectboxGadget(i);
4321
4322   /* draw textbutton gadgets */
4323   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
4324
4325   /* draw drawing area gadgets */
4326   DrawCustomGraphicElementArea();
4327   DrawCustomChangedArea();
4328 }
4329
4330 static void DrawPropertiesWindow()
4331 {
4332   int xstart = 2;
4333   int ystart = 4;
4334
4335   stick_element_properties_window = FALSE;
4336
4337   /* make sure that previous properties edit mode exists for this element */
4338   if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
4339       !IS_CUSTOM_ELEMENT(properties_element))
4340     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
4341
4342   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
4343       !checkPropertiesConfig())
4344     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
4345
4346   if (IS_CUSTOM_ELEMENT(properties_element))
4347     CopyCustomElementPropertiesToEditor(properties_element);
4348
4349   UnmapLevelEditorWindowGadgets();
4350
4351   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
4352   ClearWindow();
4353
4354   DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
4355            "Element Settings", FONT_TITLE_1);
4356
4357   DrawElementBorder(SX + xstart * MINI_TILEX,
4358                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4359                     TILEX, TILEY, FALSE);
4360   DrawGraphicAnimationExt(drawto,
4361                           SX + xstart * MINI_TILEX,
4362                           SY + ystart * MINI_TILEY + MINI_TILEY / 2,
4363                           el2img(properties_element), -1, NO_MASKING);
4364
4365   FrameCounter = 0;     /* restart animation frame counter */
4366
4367   DrawTextF((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
4368             FONT_TEXT_1, getElementInfoText(properties_element));
4369
4370   DrawPropertiesTabulatorGadgets();
4371
4372   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
4373     DrawPropertiesInfo();
4374   else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
4375     DrawPropertiesConfig();
4376   else  /* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
4377     DrawPropertiesAdvanced();
4378 }
4379
4380 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
4381 {
4382   int lx = sx + level_xpos;
4383   int ly = sy + level_ypos;
4384
4385   DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
4386
4387   if (change_level)
4388     Feld[lx][ly] = element;
4389 }
4390
4391 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
4392                      int element, boolean change_level)
4393 {
4394   if (from_y == to_y)                   /* horizontal line */
4395   {
4396     int x;
4397     int y = from_y;
4398
4399     if (from_x > to_x)
4400       swap_numbers(&from_x, &to_x);
4401
4402     for (x=from_x; x<=to_x; x++)
4403       DrawLineElement(x, y, element, change_level);
4404   }
4405   else if (from_x == to_x)              /* vertical line */
4406   {
4407     int x = from_x;
4408     int y;
4409
4410     if (from_y > to_y)
4411       swap_numbers(&from_y, &to_y);
4412
4413     for (y=from_y; y<=to_y; y++)
4414       DrawLineElement(x, y, element, change_level);
4415   }
4416   else                                  /* diagonal line */
4417   {
4418     int len_x = ABS(to_x - from_x);
4419     int len_y = ABS(to_y - from_y);
4420     int x, y;
4421
4422     if (len_y < len_x)                  /* a < 1 */
4423     {
4424       float a = (float)len_y / (float)len_x;
4425
4426       if (from_x > to_x)
4427         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4428
4429       for (x=0; x<=len_x; x++)
4430       {
4431         y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
4432         DrawLineElement(from_x + x, from_y + y, element, change_level);
4433       }
4434     }
4435     else                                /* a >= 1 */
4436     {
4437       float a = (float)len_x / (float)len_y;
4438
4439       if (from_y > to_y)
4440         swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4441
4442       for (y=0; y<=len_y; y++)
4443       {
4444         x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
4445         DrawLineElement(from_x + x, from_y + y, element, change_level);
4446       }
4447     }
4448   }
4449 }
4450
4451 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
4452                     int element, boolean change_level)
4453 {
4454   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
4455   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
4456   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
4457   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
4458 }
4459
4460 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
4461                           int element, boolean change_level)
4462 {
4463   int y;
4464
4465   if (from_y > to_y)
4466     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
4467
4468   for (y=from_y; y<=to_y; y++)
4469     DrawLine(from_x, y, to_x, y, element, change_level);
4470 }
4471
4472 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
4473                        int element, boolean change_level)
4474 {
4475   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
4476   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
4477   int len_x = ABS(to_x - from_x);
4478   int len_y = ABS(to_y - from_y);
4479   int radius, x, y;
4480
4481   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
4482
4483   /* not optimal (some points get drawn twice) but simple,
4484      and fast enough for the few points we are drawing */
4485
4486   for (x=0; x<=radius; x++)
4487   {
4488     int sx, sy, lx, ly;
4489
4490     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
4491
4492     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4493     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4494     lx = sx + level_xpos;
4495     ly = sy + level_ypos;
4496
4497     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4498       DrawLineElement(sx, sy, element, change_level);
4499   }
4500
4501   for (y=0; y<=radius; y++)
4502   {
4503     int sx, sy, lx, ly;
4504
4505     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
4506
4507     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
4508     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
4509     lx = sx + level_xpos;
4510     ly = sy + level_ypos;
4511
4512     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4513       DrawLineElement(sx, sy, element, change_level);
4514   }
4515 }
4516
4517 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
4518                     int element, boolean change_level)
4519 {
4520   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4521   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4522
4523   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4524 }
4525
4526 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
4527 #if DRAW_CIRCLES_BUTTON_AVAILABLE
4528 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
4529                        int element, boolean change_level)
4530 {
4531   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
4532   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
4533   int mirror_to_x2 = from_x - (to_x2 - from_x);
4534   int mirror_to_y2 = from_y - (to_y2 - from_y);
4535
4536   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
4537   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
4538   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
4539   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
4540 }
4541 #endif
4542
4543 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
4544 {
4545   int from_sx, from_sy;
4546   int to_sx, to_sy;
4547
4548   if (from_x > to_x)
4549     swap_numbers(&from_x, &to_x);
4550
4551   if (from_y > to_y)
4552     swap_numbers(&from_y, &to_y);
4553
4554   from_sx = SX + from_x * MINI_TILEX;
4555   from_sy = SY + from_y * MINI_TILEY;
4556   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
4557   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
4558
4559   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
4560   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
4561   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
4562   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
4563
4564   if (from_x == to_x && from_y == to_y)
4565     MarkTileDirty(from_x/2, from_y/2);
4566   else
4567     redraw_mask |= REDRAW_FIELD;
4568 }
4569
4570 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
4571                        int element, boolean change_level)
4572 {
4573   if (element == -1 || change_level)
4574     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
4575   else
4576     DrawAreaBorder(from_x, from_y, to_x, to_y);
4577 }
4578
4579 /* values for CopyBrushExt() */
4580 #define CB_AREA_TO_BRUSH        0
4581 #define CB_BRUSH_TO_CURSOR      1
4582 #define CB_BRUSH_TO_LEVEL       2
4583 #define CB_DELETE_OLD_CURSOR    3
4584
4585 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
4586                          int button, int mode)
4587 {
4588   static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
4589   static int brush_width, brush_height;
4590   static int last_cursor_x = -1, last_cursor_y = -1;
4591   static boolean delete_old_brush;
4592   int new_element = BUTTON_ELEMENT(button);
4593   int x, y;
4594
4595   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
4596     return;
4597
4598   if (mode == CB_AREA_TO_BRUSH)
4599   {
4600     int from_lx, from_ly;
4601
4602     if (from_x > to_x)
4603       swap_numbers(&from_x, &to_x);
4604
4605     if (from_y > to_y)
4606       swap_numbers(&from_y, &to_y);
4607
4608     brush_width = to_x - from_x + 1;
4609     brush_height = to_y - from_y + 1;
4610
4611     from_lx = from_x + level_xpos;
4612     from_ly = from_y + level_ypos;
4613
4614     for (y=0; y<brush_height; y++)
4615     {
4616       for (x=0; x<brush_width; x++)
4617       {
4618         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
4619
4620         if (button != 1)
4621           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
4622       }
4623     }
4624
4625     if (button != 1)
4626       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4627
4628     delete_old_brush = FALSE;
4629   }
4630   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
4631            mode == CB_BRUSH_TO_LEVEL)
4632   {
4633     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
4634     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
4635     int cursor_from_x = cursor_x - brush_width / 2;
4636     int cursor_from_y = cursor_y - brush_height / 2;
4637     int border_from_x = cursor_x, border_from_y = cursor_y;
4638     int border_to_x = cursor_x, border_to_y = cursor_y;
4639
4640     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
4641       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
4642
4643     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
4644         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
4645     {
4646       delete_old_brush = FALSE;
4647       return;
4648     }
4649
4650     for (y=0; y<brush_height; y++)
4651     {
4652       for (x=0; x<brush_width; x++)
4653       {
4654         int sx = cursor_from_x + x;
4655         int sy = cursor_from_y + y;
4656         int lx = sx + level_xpos;
4657         int ly = sy + level_ypos;
4658         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
4659         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
4660                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
4661                        brush_buffer[x][y] : new_element);
4662
4663         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
4664         {
4665           if (sx < border_from_x)
4666             border_from_x = sx;
4667           else if (sx > border_to_x)
4668             border_to_x = sx;
4669           if (sy < border_from_y)
4670             border_from_y = sy;
4671           else if (sy > border_to_y)
4672             border_to_y = sy;
4673
4674           DrawLineElement(sx, sy, element, change_level);
4675         }
4676       }
4677     }
4678
4679     if (mode != CB_DELETE_OLD_CURSOR)
4680       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
4681
4682     last_cursor_x = cursor_x;
4683     last_cursor_y = cursor_y;
4684     delete_old_brush = TRUE;
4685   }
4686 }
4687
4688 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
4689                             int button)
4690 {
4691   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
4692 }
4693
4694 static void CopyBrushToLevel(int x, int y, int button)
4695 {
4696   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
4697 }
4698
4699 static void CopyBrushToCursor(int x, int y)
4700 {
4701   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
4702 }
4703
4704 static void DeleteBrushFromCursor()
4705 {
4706   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
4707 }
4708
4709 static void FloodFill(int from_x, int from_y, int fill_element)
4710 {
4711   int i,x,y;
4712   int old_element;
4713   static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
4714   static int safety = 0;
4715
4716   /* check if starting field still has the desired content */
4717   if (Feld[from_x][from_y] == fill_element)
4718     return;
4719
4720   safety++;
4721
4722   if (safety > lev_fieldx*lev_fieldy)
4723     Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
4724
4725   old_element = Feld[from_x][from_y];
4726   Feld[from_x][from_y] = fill_element;
4727
4728   for(i=0;i<4;i++)
4729   {
4730     x = from_x + check[i][0];
4731     y = from_y + check[i][1];
4732
4733     if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
4734       FloodFill(x, y, fill_element);
4735   }
4736
4737   safety--;
4738 }
4739
4740 /* values for DrawLevelText() modes */
4741 #define TEXT_INIT               0
4742 #define TEXT_SETCURSOR          1
4743 #define TEXT_WRITECHAR          2
4744 #define TEXT_BACKSPACE          3
4745 #define TEXT_NEWLINE            4
4746 #define TEXT_END                5
4747 #define TEXT_QUERY_TYPING       6
4748
4749 static int DrawLevelText(int sx, int sy, char letter, int mode)
4750 {
4751   static short delete_buffer[MAX_LEV_FIELDX];
4752   static int start_sx, start_sy;
4753   static int last_sx, last_sy;
4754   static boolean typing = FALSE;
4755   int letter_element = EL_CHAR_ASCII0 + letter;
4756   int lx = 0, ly = 0;
4757
4758   /* map lower case letters to upper case and convert special characters */
4759   if (letter >= 'a' && letter <= 'z')
4760     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
4761   else if (letter == 'ä' || letter == 'Ä')
4762     letter_element = EL_CHAR_AUMLAUT;
4763   else if (letter == 'ö' || letter == 'Ö')
4764     letter_element = EL_CHAR_OUMLAUT;
4765   else if (letter == 'ü' || letter == 'Ü')
4766     letter_element = EL_CHAR_UUMLAUT;
4767   else if (letter == '^')
4768     letter_element = EL_CHAR_COPYRIGHT;
4769   else
4770     letter_element = EL_CHAR_ASCII0 + letter;
4771
4772   if (mode != TEXT_INIT)
4773   {
4774     if (!typing)
4775       return FALSE;
4776
4777     if (mode != TEXT_SETCURSOR)
4778     {
4779       sx = last_sx;
4780       sy = last_sy;
4781     }
4782
4783     lx = last_sx + level_xpos;
4784     ly = last_sy + level_ypos;
4785   }
4786
4787   switch (mode)
4788   {
4789     case TEXT_INIT:
4790       if (typing)
4791         DrawLevelText(0, 0, 0, TEXT_END);
4792
4793       typing = TRUE;
4794       start_sx = last_sx = sx;
4795       start_sy = last_sy = sy;
4796       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
4797       break;
4798
4799     case TEXT_SETCURSOR:
4800       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
4801       DrawAreaBorder(sx, sy, sx, sy);
4802       last_sx = sx;
4803       last_sy = sy;
4804       break;
4805
4806     case TEXT_WRITECHAR:
4807       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
4808       {
4809         delete_buffer[sx - start_sx] = Feld[lx][ly];
4810         Feld[lx][ly] = letter_element;
4811
4812         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
4813           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
4814         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
4815           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
4816         else
4817           DrawLevelText(0, 0, 0, TEXT_END);
4818       }
4819       break;
4820
4821     case TEXT_BACKSPACE:
4822       if (sx > start_sx)
4823       {
4824         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
4825         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
4826         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
4827       }
4828       break;
4829
4830     case TEXT_NEWLINE:
4831       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
4832         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
4833       else
4834         DrawLevelText(0, 0, 0, TEXT_END);
4835       break;
4836
4837     case TEXT_END:
4838       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4839       DrawMiniElement(sx, sy, Feld[lx][ly]);
4840       typing = FALSE;
4841       break;
4842
4843     case TEXT_QUERY_TYPING:
4844       break;
4845
4846     default:
4847       break;
4848   }
4849
4850   return typing;
4851 }
4852
4853 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
4854                           int element, boolean change_level)
4855 {
4856   int lx = sx + level_xpos;
4857   int ly = sy + level_ypos;
4858
4859   if (element == -1)
4860     DrawMiniElement(sx, sy, Feld[lx][ly]);
4861   else
4862     DrawAreaBorder(sx, sy, sx, sy);
4863 }
4864
4865 static void CopyLevelToUndoBuffer(int mode)
4866 {
4867   static boolean accumulated_undo = FALSE;
4868   boolean new_undo_buffer_position = TRUE;
4869   int last_border_element;
4870   int x, y;
4871
4872   switch (mode)
4873   {
4874     case UNDO_IMMEDIATE:
4875       accumulated_undo = FALSE;
4876       break;
4877
4878     case UNDO_ACCUMULATE:
4879       if (accumulated_undo)
4880         new_undo_buffer_position = FALSE;
4881       accumulated_undo = TRUE;
4882       break;
4883
4884     default:
4885       break;
4886   }
4887
4888   if (new_undo_buffer_position)
4889   {
4890     /* new position in undo buffer ring */
4891     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
4892
4893     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
4894       undo_buffer_steps++;
4895   }
4896
4897   for(x=0; x<lev_fieldx; x++)
4898     for(y=0; y<lev_fieldy; y++)
4899       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
4900
4901   /* check if drawing operation forces change of border style */
4902   last_border_element = BorderElement;
4903   SetBorderElement();
4904   if (BorderElement != last_border_element)
4905     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4906 }
4907
4908 static void RandomPlacement(int new_element)
4909 {
4910   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4911   int num_free_positions;
4912   int num_percentage;
4913   int num_elements;
4914   int x, y;
4915
4916   /* determine number of free positions for the new elements */
4917   /* (maybe this statement should be formatted a bit more readable...) */
4918   num_free_positions = 0;
4919   for (x=0; x<lev_fieldx; x++)
4920     for (y=0; y<lev_fieldy; y++)
4921       if ((free_position[x][y] =
4922            ((random_placement_background_restricted &&
4923              Feld[x][y] == random_placement_background_element) ||
4924             (!random_placement_background_restricted &&
4925              Feld[x][y] != new_element))) == TRUE)
4926         num_free_positions++;
4927
4928   /* determine number of new elements to place there */
4929   num_percentage = num_free_positions * random_placement_value / 100;
4930   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
4931                   num_percentage : random_placement_value);
4932
4933   /* if not more free positions than elements to place, fill whole level */
4934   if (num_elements >= num_free_positions)
4935   {
4936     for (x=0; x<lev_fieldx; x++)
4937       for (y=0; y<lev_fieldy; y++)
4938         Feld[x][y] = new_element;
4939
4940     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4941     CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4942     return;
4943   }
4944
4945   while (num_elements > 0)
4946   {
4947     x = RND(lev_fieldx);
4948     y = RND(lev_fieldy);
4949
4950     /* don't place element at the same position twice */
4951     if (free_position[x][y])
4952     {
4953       free_position[x][y] = FALSE;
4954       Feld[x][y] = new_element;
4955       num_elements--;
4956     }
4957   }
4958
4959   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4960   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
4961 }
4962
4963 void WrapLevel(int dx, int dy)
4964 {
4965   int wrap_dx = lev_fieldx - dx;
4966   int wrap_dy = lev_fieldy - dy;
4967   int x, y;
4968
4969   for(x=0; x<lev_fieldx; x++)
4970     for(y=0; y<lev_fieldy; y++)
4971       FieldBackup[x][y] = Feld[x][y];
4972
4973   for(x=0; x<lev_fieldx; x++)
4974     for(y=0; y<lev_fieldy; y++)
4975       Feld[x][y] =
4976         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
4977
4978   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
4979   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
4980 }
4981
4982 static void HandleDrawingAreas(struct GadgetInfo *gi)
4983 {
4984   static boolean started_inside_drawing_area = FALSE;
4985   int id = gi->custom_id;
4986   boolean button_press_event;
4987   boolean button_release_event;
4988   boolean inside_drawing_area = !gi->event.off_borders;
4989   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
4990   int actual_drawing_function;
4991   int button = gi->event.button;
4992   int new_element = BUTTON_ELEMENT(button);
4993   int sx = gi->event.x, sy = gi->event.y;
4994   int min_sx = 0, min_sy = 0;
4995   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
4996   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
4997   int lx = 0, ly = 0;
4998   int min_lx = 0, min_ly = 0;
4999   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
5000   int x, y;
5001
5002   /* handle info callback for each invocation of action callback */
5003   gi->callback_info(gi);
5004
5005   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
5006   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
5007
5008   /* make sure to stay inside drawing area boundaries */
5009   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
5010   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
5011
5012   if (draw_level)
5013   {
5014     /* get positions inside level field */
5015     lx = sx + level_xpos;
5016     ly = sy + level_ypos;
5017
5018     if (!IN_LEV_FIELD(lx, ly))
5019       inside_drawing_area = FALSE;
5020
5021     /* make sure to stay inside level field boundaries */
5022     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5023     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5024
5025     /* correct drawing area positions accordingly */
5026     sx = lx - level_xpos;
5027     sy = ly - level_ypos;
5028   }
5029
5030   if (button_press_event)
5031     started_inside_drawing_area = inside_drawing_area;
5032
5033   if (!started_inside_drawing_area)
5034     return;
5035
5036   if (!button && !button_release_event)
5037     return;
5038
5039   /* automatically switch to 'single item' drawing mode, if needed */
5040   actual_drawing_function =
5041     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
5042      drawing_function : GADGET_ID_SINGLE_ITEMS);
5043
5044   switch (actual_drawing_function)
5045   {
5046     case GADGET_ID_SINGLE_ITEMS:
5047       if (draw_level)
5048       {
5049         if (button_release_event)
5050         {
5051           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5052
5053           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
5054               !inside_drawing_area)
5055             DeleteBrushFromCursor();
5056         }
5057
5058         if (!button)
5059           break;
5060
5061         if (draw_with_brush)
5062         {
5063           if (!button_release_event)
5064             CopyBrushToLevel(sx, sy, button);
5065         }
5066         else if (new_element != Feld[lx][ly])
5067         {
5068           if (new_element == EL_PLAYER_1)
5069           {
5070             /* remove player at old position */
5071             for(y=0; y<lev_fieldy; y++)
5072             {
5073               for(x=0; x<lev_fieldx; x++)
5074               {
5075                 if (Feld[x][y] == EL_PLAYER_1)
5076                 {
5077                   Feld[x][y] = EL_EMPTY;
5078                   if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
5079                       y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
5080                     DrawMiniElement(x - level_xpos, y - level_ypos,
5081                                     EL_EMPTY);
5082                 }
5083               }
5084             }
5085           }
5086
5087           Feld[lx][ly] = new_element;
5088           DrawMiniElement(sx, sy, new_element);
5089         }
5090       }
5091       else
5092       {
5093         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
5094           DrawMiniGraphicExt(drawto,
5095                              gi->x + sx * MINI_TILEX,
5096                              gi->y + sy * MINI_TILEY,
5097                              el2edimg(new_element));
5098         else
5099           DrawGraphicExt(drawto,
5100                          gi->x + sx * TILEX,
5101                          gi->y + sy * TILEY,
5102                          el2img(new_element), 0);
5103
5104         if (id == GADGET_ID_AMOEBA_CONTENT)
5105           level.amoeba_content = new_element;
5106         else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5107         {
5108           new_element = GFX_ELEMENT(new_element);
5109           custom_element.gfx_element = new_element;
5110           element_info[properties_element] = custom_element;
5111
5112           ModifyEditorElementList();
5113           RedrawDrawingElements();
5114
5115           FrameCounter = 0;     /* restart animation frame counter */
5116         }
5117         else if (id == GADGET_ID_CUSTOM_CONTENT)
5118         {
5119           custom_element.content[sx][sy] = new_element;
5120           element_info[properties_element] = custom_element;
5121         }
5122         else if (id == GADGET_ID_CUSTOM_CHANGED)
5123         {
5124           custom_element.change.successor = new_element;
5125           element_info[properties_element] = custom_element;
5126         }
5127         else if (id == GADGET_ID_RANDOM_BACKGROUND)
5128           random_placement_background_element = new_element;
5129         else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5130                  id <= GADGET_ID_ELEMENT_CONTENT_7)
5131           level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
5132             new_element;
5133       }
5134       break;
5135
5136     case GADGET_ID_CONNECTED_ITEMS:
5137       {
5138         static int last_sx = -1;
5139         static int last_sy = -1;
5140
5141         if (button_release_event)
5142           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5143
5144         if (button)
5145         {
5146           if (!button_press_event)
5147             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
5148
5149           last_sx = sx;
5150           last_sy = sy;
5151         }
5152       }
5153       break;
5154
5155     case GADGET_ID_LINE:
5156     case GADGET_ID_ARC:
5157     case GADGET_ID_RECTANGLE:
5158     case GADGET_ID_FILLED_BOX:
5159     case GADGET_ID_GRAB_BRUSH:
5160     case GADGET_ID_TEXT:
5161       {
5162         static int last_sx = -1;
5163         static int last_sy = -1;
5164         static int start_sx = -1;
5165         static int start_sy = -1;
5166         void (*draw_func)(int, int, int, int, int, boolean);
5167
5168         if (drawing_function == GADGET_ID_LINE)
5169           draw_func = DrawLine;
5170         else if (drawing_function == GADGET_ID_ARC)
5171           draw_func = DrawArc;
5172         else if (drawing_function == GADGET_ID_RECTANGLE)
5173           draw_func = DrawBox;
5174         else if (drawing_function == GADGET_ID_FILLED_BOX)
5175           draw_func = DrawFilledBox;
5176         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
5177           draw_func = SelectArea;
5178         else /* (drawing_function == GADGET_ID_TEXT) */
5179           draw_func = SetTextCursor;
5180
5181         if (button_press_event)
5182         {
5183           draw_func(sx, sy, sx, sy, new_element, FALSE);
5184           start_sx = last_sx = sx;
5185           start_sy = last_sy = sy;
5186
5187           if (drawing_function == GADGET_ID_TEXT)
5188             DrawLevelText(0, 0, 0, TEXT_END);
5189         }
5190         else if (button_release_event)
5191         {
5192           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
5193           if (drawing_function == GADGET_ID_GRAB_BRUSH)
5194           {
5195             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
5196             CopyBrushToCursor(sx, sy);
5197             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
5198                           MB_LEFTBUTTON);
5199             draw_with_brush = TRUE;
5200           }
5201           else if (drawing_function == GADGET_ID_TEXT)
5202             DrawLevelText(sx, sy, 0, TEXT_INIT);
5203           else
5204             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5205         }
5206         else if (last_sx != sx || last_sy != sy)
5207         {
5208           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
5209           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
5210           last_sx = sx;
5211           last_sy = sy;
5212         }
5213       }
5214       break;
5215
5216     case GADGET_ID_FLOOD_FILL:
5217       if (button_press_event && Feld[lx][ly] != new_element)
5218       {
5219         FloodFill(lx, ly, new_element);
5220         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5221         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
5222       }
5223       break;
5224
5225     case GADGET_ID_PICK_ELEMENT:
5226       if (button_release_event)
5227         ClickOnGadget(level_editor_gadget[last_drawing_function],
5228                       MB_LEFTBUTTON);
5229       else if (draw_level)
5230         PickDrawingElement(button, Feld[lx][ly]);
5231       else if (id == GADGET_ID_AMOEBA_CONTENT)
5232         PickDrawingElement(button, level.amoeba_content);
5233       else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5234         PickDrawingElement(button, custom_element.gfx_element);
5235       else if (id == GADGET_ID_CUSTOM_CONTENT)
5236         PickDrawingElement(button, custom_element.content[sx][sy]);
5237       else if (id == GADGET_ID_CUSTOM_CHANGED)
5238         PickDrawingElement(button, custom_element.change.successor);
5239       else if (id == GADGET_ID_RANDOM_BACKGROUND)
5240         PickDrawingElement(button, random_placement_background_element);
5241       else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5242                id <= GADGET_ID_ELEMENT_CONTENT_7)
5243       {
5244         int i = id - GADGET_ID_ELEMENT_CONTENT_0;
5245
5246         PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
5247       }
5248
5249       break;
5250
5251     default:
5252       break;
5253   }
5254 }
5255
5256 static void HandleCounterButtons(struct GadgetInfo *gi)
5257 {
5258   int gadget_id = gi->custom_id;
5259   int counter_id = gi->custom_type_id;
5260   int button = gi->event.button;
5261   int *counter_value = counterbutton_info[counter_id].value;
5262   int step = BUTTON_STEPSIZE(button) *
5263     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
5264
5265   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
5266   {
5267     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
5268     boolean released = (gi->event.type == GD_EVENT_RELEASED);
5269     boolean level_changed = LevelChanged();
5270
5271     if ((level_changed && pressed) || (!level_changed && released))
5272       return;
5273
5274     if (level_changed && !Request("Level has changed! Discard changes ?",
5275                                   REQ_ASK))
5276     {
5277       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5278         ModifyEditorCounter(counter_id, *counter_value);
5279       return;
5280     }
5281   }
5282
5283   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
5284     *counter_value = gi->text.number_value;
5285   else
5286     ModifyEditorCounter(counter_id, *counter_value + step);
5287
5288   switch (counter_id)
5289   {
5290     case ED_COUNTER_ID_ELEMENT_CONTENT:
5291       DrawElementContentAreas();
5292       break;
5293
5294     case ED_COUNTER_ID_LEVEL_XSIZE:
5295     case ED_COUNTER_ID_LEVEL_YSIZE:
5296       lev_fieldx = level.fieldx;
5297       lev_fieldy = level.fieldy;
5298       break;
5299
5300     case ED_COUNTER_ID_SELECT_LEVEL:
5301       LoadLevel(level_nr);
5302       TapeErase();
5303       ResetUndoBuffer();
5304       DrawEditModeWindow();
5305       break;
5306
5307     default:
5308       break;
5309   }
5310
5311   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
5312        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
5313       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
5314        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
5315     CopyCustomElementPropertiesToGame(properties_element);
5316 }
5317
5318 static void HandleTextInputGadgets(struct GadgetInfo *gi)
5319 {
5320   strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
5321 }
5322
5323 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
5324 {
5325   int type_id = gi->custom_type_id;
5326
5327   *selectbox_info[type_id].index = gi->selectbox.index;
5328   *selectbox_info[type_id].value =
5329     selectbox_info[type_id].options[gi->selectbox.index].value;
5330
5331   if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
5332        type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
5333       (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
5334        type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
5335     CopyCustomElementPropertiesToGame(properties_element);
5336 }
5337
5338 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
5339 {
5340   if (gi->custom_type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
5341       gi->custom_type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
5342   {
5343     edit_mode_properties = gi->custom_type_id;
5344
5345     DrawPropertiesWindow();
5346   }
5347 }
5348
5349 static void HandleRadiobuttons(struct GadgetInfo *gi)
5350 {
5351   *radiobutton_info[gi->custom_type_id].value =
5352     radiobutton_info[gi->custom_type_id].checked_value;
5353 }
5354
5355 static void HandleCheckbuttons(struct GadgetInfo *gi)
5356 {
5357   int type_id = gi->custom_type_id;
5358
5359   *checkbutton_info[type_id].value ^= TRUE;
5360
5361   if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
5362        type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
5363       (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
5364        type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST))
5365     CopyCustomElementPropertiesToGame(properties_element);
5366
5367   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
5368   {
5369     ModifyEditorElementList();
5370     RedrawDrawingElements();
5371   }
5372 }
5373
5374 static void HandleControlButtons(struct GadgetInfo *gi)
5375 {
5376   int id = gi->custom_id;
5377   int button = gi->event.button;
5378   int step = BUTTON_STEPSIZE(button);
5379   int new_element = BUTTON_ELEMENT(button);
5380   int x, y;
5381
5382   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
5383     DrawLevelText(0, 0, 0, TEXT_END);
5384
5385   if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
5386       id != GADGET_ID_PICK_ELEMENT && edit_mode != ED_MODE_DRAWING &&
5387       drawing_function != GADGET_ID_PICK_ELEMENT)
5388   {
5389     DrawDrawingWindow();
5390     edit_mode = ED_MODE_DRAWING;
5391   }
5392
5393   switch (id)
5394   {
5395     case GADGET_ID_SCROLL_LEFT:
5396       if (level_xpos >= 0)
5397       {
5398         if (lev_fieldx < ed_fieldx - 2)
5399           break;
5400
5401         level_xpos -= step;
5402         if (level_xpos < -1)
5403           level_xpos = -1;
5404         if (button == 1)
5405           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
5406         else
5407           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5408
5409         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5410                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5411       }
5412       break;
5413
5414     case GADGET_ID_SCROLL_RIGHT:
5415       if (level_xpos <= lev_fieldx - ed_fieldx)
5416       {
5417         if (lev_fieldx < ed_fieldx - 2)
5418           break;
5419
5420         level_xpos += step;
5421         if (level_xpos > lev_fieldx - ed_fieldx + 1)
5422           level_xpos = lev_fieldx - ed_fieldx + 1;
5423         if (button == 1)
5424           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
5425         else
5426           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5427
5428         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
5429                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
5430       }
5431       break;
5432
5433     case GADGET_ID_SCROLL_UP:
5434       if (level_ypos >= 0)
5435       {
5436         if (lev_fieldy < ed_fieldy - 2)
5437           break;
5438
5439         level_ypos -= step;
5440         if (level_ypos < -1)
5441           level_ypos = -1;
5442         if (button == 1)
5443           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
5444         else
5445           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5446
5447         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5448                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5449       }
5450       break;
5451
5452     case GADGET_ID_SCROLL_DOWN:
5453       if (level_ypos <= lev_fieldy - ed_fieldy)
5454       {
5455         if (lev_fieldy < ed_fieldy - 2)
5456           break;
5457
5458         level_ypos += step;
5459         if (level_ypos > lev_fieldy - ed_fieldy + 1)
5460           level_ypos = lev_fieldy - ed_fieldy + 1;
5461         if (button == 1)
5462           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
5463         else
5464           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5465
5466         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
5467                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
5468       }
5469       break;
5470
5471     case GADGET_ID_SCROLL_HORIZONTAL:
5472       level_xpos = gi->event.item_position - 1;
5473       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5474       break;
5475
5476     case GADGET_ID_SCROLL_VERTICAL:
5477       level_ypos = gi->event.item_position - 1;
5478       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5479       break;
5480
5481     case GADGET_ID_SCROLL_LIST_UP:
5482     case GADGET_ID_SCROLL_LIST_DOWN:
5483     case GADGET_ID_SCROLL_LIST_VERTICAL:
5484       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
5485         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
5486       else
5487       {
5488         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
5489         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
5490
5491         if (element_shift < 0)
5492           element_shift = 0;
5493         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
5494           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
5495
5496         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
5497                      GDI_SCROLLBAR_ITEM_POSITION,
5498                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
5499       }
5500
5501       ModifyEditorElementList();
5502
5503       break;
5504
5505     case GADGET_ID_WRAP_LEFT:
5506       WrapLevel(-step, 0);
5507       break;
5508
5509     case GADGET_ID_WRAP_RIGHT:
5510       WrapLevel(step, 0);
5511       break;
5512
5513     case GADGET_ID_WRAP_UP:
5514       WrapLevel(0, -step);
5515       break;
5516
5517     case GADGET_ID_WRAP_DOWN:
5518       WrapLevel(0, step);
5519       break;
5520
5521     case GADGET_ID_SINGLE_ITEMS:
5522     case GADGET_ID_CONNECTED_ITEMS:
5523     case GADGET_ID_LINE:
5524     case GADGET_ID_ARC:
5525     case GADGET_ID_TEXT:
5526     case GADGET_ID_RECTANGLE:
5527     case GADGET_ID_FILLED_BOX:
5528     case GADGET_ID_FLOOD_FILL:
5529     case GADGET_ID_GRAB_BRUSH:
5530     case GADGET_ID_PICK_ELEMENT:
5531       if (drawing_function != GADGET_ID_PICK_ELEMENT)
5532         last_drawing_function = drawing_function;
5533       drawing_function = id;
5534       draw_with_brush = FALSE;
5535       break;
5536
5537     case GADGET_ID_RANDOM_PLACEMENT:
5538       RandomPlacement(new_element);
5539       break;
5540
5541     case GADGET_ID_PROPERTIES:
5542       if (edit_mode != ED_MODE_PROPERTIES)
5543       {
5544         properties_element = new_element;
5545         DrawPropertiesWindow();
5546         edit_mode = ED_MODE_PROPERTIES;
5547       }
5548       else
5549       {
5550         DrawDrawingWindow();
5551         edit_mode = ED_MODE_DRAWING;
5552       }
5553       break;
5554
5555     case GADGET_ID_UNDO:
5556       if (undo_buffer_steps == 0)
5557       {
5558         Request("Undo buffer empty !", REQ_CONFIRM);
5559         break;
5560       }
5561
5562       undo_buffer_position =
5563         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
5564       undo_buffer_steps--;
5565
5566       for(x=0; x<lev_fieldx; x++)
5567         for(y=0; y<lev_fieldy; y++)
5568           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
5569       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
5570       break;
5571
5572     case GADGET_ID_INFO:
5573       if (edit_mode != ED_MODE_INFO)
5574       {
5575         DrawLevelInfoWindow();
5576         edit_mode = ED_MODE_INFO;
5577       }
5578       else
5579       {
5580         DrawDrawingWindow();
5581         edit_mode = ED_MODE_DRAWING;
5582       }
5583       break;
5584
5585     case GADGET_ID_CLEAR:
5586       for(x=0; x<MAX_LEV_FIELDX; x++)
5587         for(y=0; y<MAX_LEV_FIELDY; y++)
5588           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
5589       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
5590
5591       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
5592       break;
5593
5594     case GADGET_ID_SAVE:
5595       if (leveldir_current->readonly)
5596       {
5597         Request("This level is read only !", REQ_CONFIRM);
5598         break;
5599       }
5600
5601       if (!LevelContainsPlayer)
5602         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5603       else
5604       {
5605         if (Request("Save this level and kill the old ?", REQ_ASK))
5606         {
5607           CopyPlayfield(Feld, Ur);
5608
5609           SaveLevel(level_nr);
5610         }
5611       }
5612       break;
5613
5614     case GADGET_ID_TEST:
5615       if (!LevelContainsPlayer)
5616         Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
5617       else
5618       {
5619         if (LevelChanged())
5620           level.game_version = GAME_VERSION_ACTUAL;
5621
5622         CopyPlayfield(Ur, FieldBackup);
5623         CopyPlayfield(Feld, Ur);
5624
5625         UnmapLevelEditorGadgets();
5626         UndrawSpecialEditorDoor();
5627
5628         CloseDoor(DOOR_CLOSE_ALL);
5629
5630         DrawCompleteVideoDisplay();
5631
5632         if (setup.autorecord)
5633           TapeStartRecording();
5634
5635         level_editor_test_game = TRUE;
5636         game_status = GAME_MODE_PLAYING;
5637
5638         InitGame();
5639       }
5640       break;
5641
5642     case GADGET_ID_EXIT:
5643       RequestExitLevelEditor(TRUE);     /* if level has changed, ask user */
5644       break;
5645
5646     default:
5647       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
5648           id <= GADGET_ID_ELEMENTLIST_LAST)
5649       {
5650         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
5651         int new_element = editor_elements[element_position + element_shift];
5652
5653         PickDrawingElement(button, new_element);
5654
5655         if (!stick_element_properties_window &&
5656             drawing_function != GADGET_ID_PICK_ELEMENT)
5657         {
5658           properties_element = new_element;
5659           if (edit_mode == ED_MODE_PROPERTIES)
5660             DrawPropertiesWindow();
5661         }
5662
5663         if (drawing_function == GADGET_ID_PICK_ELEMENT)
5664           ClickOnGadget(level_editor_gadget[last_drawing_function],
5665                         MB_LEFTBUTTON);
5666       }
5667 #ifdef DEBUG
5668       else if (gi->event.type == GD_EVENT_PRESSED)
5669         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
5670       else if (gi->event.type == GD_EVENT_RELEASED)
5671         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
5672       else if (gi->event.type == GD_EVENT_MOVING)
5673         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
5674       else
5675         printf("default: HandleControlButtons: ? (id == %d)\n", id);
5676 #endif
5677       break;
5678   }
5679 }
5680
5681 void HandleLevelEditorKeyInput(Key key)
5682 {
5683   char letter = getCharFromKey(key);
5684   int button = MB_LEFTBUTTON;
5685
5686   if (drawing_function == GADGET_ID_TEXT &&
5687       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
5688   {
5689     if (letter)
5690       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
5691     else if (key == KSYM_Delete || key == KSYM_BackSpace)
5692       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
5693     else if (key == KSYM_Return)
5694       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
5695     else if (key == KSYM_Escape)
5696       DrawLevelText(0, 0, 0, TEXT_END);
5697   }
5698   else if (button_status == MB_RELEASED)
5699   {
5700     int i, id = GADGET_ID_NONE;
5701
5702     switch (key)
5703     {
5704       case KSYM_Left:
5705         id = GADGET_ID_SCROLL_LEFT;
5706         break;
5707       case KSYM_Right:
5708         id = GADGET_ID_SCROLL_RIGHT;
5709         break;
5710       case KSYM_Up:
5711         id = GADGET_ID_SCROLL_UP;
5712         break;
5713       case KSYM_Down:
5714         id = GADGET_ID_SCROLL_DOWN;
5715         break;
5716       case KSYM_Page_Up:
5717         id = GADGET_ID_SCROLL_LIST_UP;
5718         button = MB_RIGHTBUTTON;
5719         break;
5720       case KSYM_Page_Down:
5721         id = GADGET_ID_SCROLL_LIST_DOWN;
5722         button = MB_RIGHTBUTTON;
5723         break;
5724
5725       case KSYM_Escape:
5726         if (edit_mode == ED_MODE_DRAWING)
5727         {
5728           RequestExitLevelEditor(setup.ask_on_escape);
5729         }
5730         else
5731         {
5732           DrawDrawingWindow();
5733           edit_mode = ED_MODE_DRAWING;
5734         }
5735         break;
5736
5737       default:
5738         break;
5739     }
5740
5741     if (id != GADGET_ID_NONE)
5742       ClickOnGadget(level_editor_gadget[id], button);
5743     else if (letter == '.')
5744       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
5745     else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
5746       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
5747     else
5748       for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
5749         if (letter && letter == control_info[i].shortcut)
5750           if (!anyTextGadgetActive())
5751             ClickOnGadget(level_editor_gadget[i], button);
5752   }
5753 }
5754
5755 void HandleLevelEditorIdle()
5756 {
5757   static unsigned long action_delay = 0;
5758   unsigned long action_delay_value = GameFrameDelay;
5759   int xpos = 1, ypos = 2;
5760
5761   if (edit_mode != ED_MODE_PROPERTIES)
5762     return;
5763
5764   if (!DelayReached(&action_delay, action_delay_value))
5765     return;
5766
5767   DrawGraphicAnimationExt(drawto,
5768                           SX + xpos * TILEX,
5769                           SY + ypos * TILEY + MINI_TILEY / 2,
5770                           el2img(properties_element), -1, NO_MASKING);
5771
5772   MarkTileDirty(xpos, ypos);
5773   MarkTileDirty(xpos, ypos + 1);
5774
5775   FrameCounter++;       /* increase animation frame counter */
5776 }
5777
5778 void ClearEditorGadgetInfoText()
5779 {
5780   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
5781 }
5782
5783 void HandleEditorGadgetInfoText(void *ptr)
5784 {
5785   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
5786   char infotext[MAX_OUTPUT_LINESIZE + 1];
5787   char shortcut[MAX_OUTPUT_LINESIZE + 1];
5788   int max_infotext_len = getMaxInfoTextLength();
5789
5790   if (game_status != GAME_MODE_EDITOR)
5791     return;
5792
5793   ClearEditorGadgetInfoText();
5794
5795   if (gi->event.type == GD_EVENT_INFO_LEAVING)
5796     return;
5797
5798   /* misuse this function to delete brush cursor, if needed */
5799   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
5800     DeleteBrushFromCursor();
5801
5802   if (gi == NULL || gi->info_text == NULL)
5803     return;
5804
5805   strncpy(infotext, gi->info_text, max_infotext_len);
5806   infotext[max_infotext_len] = '\0';
5807
5808   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
5809   {
5810     int key = control_info[gi->custom_id].shortcut;
5811
5812     if (key)
5813     {
5814       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
5815         sprintf(shortcut, " ('.' or '%c')", key);
5816       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 2 */
5817         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
5818       else                                              /* normal case */
5819         sprintf(shortcut, " ('%s%c')",
5820                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
5821
5822       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
5823         strcat(infotext, shortcut);
5824     }
5825   }
5826
5827   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
5828 }
5829
5830 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
5831 {
5832   static int start_lx, start_ly;
5833   char *infotext;
5834   int id = gi->custom_id;
5835   int sx = gi->event.x;
5836   int sy = gi->event.y;
5837   int lx = sx + level_xpos;
5838   int ly = sy + level_ypos;
5839   int min_sx = 0, min_sy = 0;
5840   int max_sx = gi->drawing.area_xsize - 1;
5841   int max_sy = gi->drawing.area_ysize - 1;
5842
5843   ClearEditorGadgetInfoText();
5844
5845   if (gi->event.type == GD_EVENT_INFO_LEAVING)
5846     return;
5847
5848   /* make sure to stay inside drawing area boundaries */
5849   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
5850   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
5851
5852   if (id == GADGET_ID_DRAWING_LEVEL)
5853   {
5854     if (button_status)
5855     {
5856       int min_lx = 0, min_ly = 0;
5857       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
5858
5859       /* get positions inside level field */
5860       lx = sx + level_xpos;
5861       ly = sy + level_ypos;
5862
5863       /* make sure to stay inside level field boundaries */
5864       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
5865       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
5866
5867       /* correct drawing area positions accordingly */
5868       sx = lx - level_xpos;
5869       sy = ly - level_ypos;
5870     }
5871
5872     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
5873     {
5874       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
5875       {
5876         if (gi->event.type == GD_EVENT_PRESSED)
5877         {
5878           start_lx = lx;
5879           start_ly = ly;
5880         }
5881
5882         switch (drawing_function)
5883         {
5884           case GADGET_ID_SINGLE_ITEMS:
5885             infotext = "Drawing single items";
5886             break;
5887           case GADGET_ID_CONNECTED_ITEMS:
5888             infotext = "Drawing connected items";
5889             break;
5890           case GADGET_ID_LINE:
5891             infotext = "Drawing line";
5892             break;
5893           case GADGET_ID_ARC:
5894             infotext = "Drawing arc";
5895             break;
5896           case GADGET_ID_TEXT:
5897             infotext = "Setting text cursor";
5898             break;
5899           case GADGET_ID_RECTANGLE:
5900             infotext = "Drawing rectangle";
5901             break;
5902           case GADGET_ID_FILLED_BOX:
5903             infotext = "Drawing filled box";
5904             break;
5905           case GADGET_ID_FLOOD_FILL:
5906             infotext = "Flood fill";
5907             break;
5908           case GADGET_ID_GRAB_BRUSH:
5909             infotext = "Grabbing brush";
5910             break;
5911           case GADGET_ID_PICK_ELEMENT:
5912             infotext = "Picking element";
5913             break;
5914
5915           default:
5916             infotext = "Drawing position";
5917             break;
5918         }
5919
5920         if (drawing_function == GADGET_ID_PICK_ELEMENT)
5921           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5922                     "%s: %d, %d", infotext, lx, ly);
5923         else
5924           DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5925                     "%s: %d, %d", infotext,
5926                     ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
5927       }
5928       else if (drawing_function == GADGET_ID_PICK_ELEMENT)
5929         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5930                   "%s", getElementInfoText(Feld[lx][ly]));
5931       else
5932         DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5933                   "Level position: %d, %d", lx, ly);
5934     }
5935
5936     /* misuse this function to draw brush cursor, if needed */
5937     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
5938     {
5939       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
5940         CopyBrushToCursor(sx, sy);
5941       else
5942         DeleteBrushFromCursor();
5943     }
5944   }
5945   else if (drawing_function == GADGET_ID_PICK_ELEMENT)
5946   {
5947     if (id == GADGET_ID_AMOEBA_CONTENT)
5948       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5949                 "%s", getElementInfoText(level.amoeba_content));
5950     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5951       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5952                 "%s", getElementInfoText(custom_element.use_gfx_element));
5953     else if (id == GADGET_ID_CUSTOM_CONTENT)
5954       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5955                 "%s", getElementInfoText(custom_element.content[sx][sy]));
5956     else if (id == GADGET_ID_CUSTOM_CHANGED)
5957       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5958                 "%s", getElementInfoText(custom_element.change.successor));
5959     else if (id == GADGET_ID_RANDOM_BACKGROUND)
5960       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5961                 "%s", getElementInfoText(random_placement_background_element));
5962     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5963              id <= GADGET_ID_ELEMENT_CONTENT_7)
5964     {
5965       int i = id - GADGET_ID_ELEMENT_CONTENT_0;
5966
5967       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5968                 "%s", getElementInfoText(level.yamyam_content[i][sx][sy]));
5969     }
5970   }
5971   else
5972   {
5973     if (id == GADGET_ID_AMOEBA_CONTENT)
5974       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5975                 "Amoeba content");
5976     else if (id == GADGET_ID_CUSTOM_GRAPHIC)
5977       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5978                 "Custom graphic element");
5979     else if (id == GADGET_ID_CUSTOM_CONTENT)
5980       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5981                 "Custom element content position: %d, %d", sx, sy);
5982     else if (id == GADGET_ID_CUSTOM_CHANGED)
5983       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5984                 "New element after change");
5985     else if (id == GADGET_ID_RANDOM_BACKGROUND)
5986       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5987                 "Random placement background");
5988     else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
5989              id <= GADGET_ID_ELEMENT_CONTENT_7)
5990       DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
5991                 "Content area %d position: %d, %d",
5992                 id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
5993   }
5994 }
5995
5996 void RequestExitLevelEditor(boolean ask_if_level_has_changed)
5997 {
5998   if (!ask_if_level_has_changed ||
5999       !LevelChanged() ||
6000       Request("Level has changed! Exit without saving ?",
6001               REQ_ASK | REQ_STAY_OPEN))
6002   {
6003     CloseDoor(DOOR_CLOSE_1);
6004     /*
6005     CloseDoor(DOOR_CLOSE_ALL);
6006     */
6007     game_status = GAME_MODE_MAIN;
6008     DrawMainMenu();
6009   }
6010   else
6011   {
6012     CloseDoor(DOOR_CLOSE_1);
6013     BlitBitmap(bitmap_db_door, bitmap_db_door,
6014                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
6015                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
6016     OpenDoor(DOOR_OPEN_1);
6017   }
6018 }