X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Feditor.c;h=3e6f7f2670d4ed40b76ef67922b462f464c74c24;hb=9de8eede744c45187c7011543ef8097d1ebc879c;hp=c17a4967ef27f6ecf69085bb0069b482169447ff;hpb=e5c5bf5c4a76a04f9bf64e92227bf2ef969fd25c;p=rocksndiamonds.git

diff --git a/src/editor.c b/src/editor.c
index c17a4967..a0872472 100644
--- a/src/editor.c
+++ b/src/editor.c
@@ -1,1254 +1,6637 @@
 /***********************************************************
-*  Rocks'n'Diamonds -- McDuffin Strikes Back!              *
+* Rocks'n'Diamonds -- McDuffin Strikes Back!               *
 *----------------------------------------------------------*
-*  (c) 1995-98 Artsoft Entertainment                       *
-*              Holger Schemel                              *
-*              Oststrasse 11a                              *
-*              33604 Bielefeld                             *
-*              phone: ++49 +521 290471                     *
-*              email: aeglos@valinor.owl.de                *
+* (c) 1995-2002 Artsoft Entertainment                      *
+*               Holger Schemel                             *
+*               Detmolder Strasse 189                      *
+*               33604 Bielefeld                            *
+*               Germany                                    *
+*               e-mail: info@artsoft.org                   *
 *----------------------------------------------------------*
-*  editor.c                                                *
+* editor.c                                                 *
 ***********************************************************/
 
+#include <math.h>
+
+#include "libgame/libgame.h"
+
 #include "editor.h"
 #include "screens.h"
 #include "tools.h"
-#include "misc.h"
-#include "buttons.h"
 #include "files.h"
+#include "game.h"
+#include "init.h"
+#include "tape.h"
 
-#define CHOICE_DELAY_VALUE	100
-
-static int level_xpos,level_ypos;
-static boolean edit_mode;
-static boolean name_typing;
-static int new_element1 = EL_MAUERWERK;
-static int new_element2 = EL_LEERRAUM;
-static int new_element3 = EL_ERDREICH;
-
-int element_shift;
-int editor_element[] =
-{
-  EL_CHAR_A + ('B' - 'A'),
-  EL_CHAR_A + ('O' - 'A'),
-  EL_CHAR_A + ('U' - 'A'),
-  EL_CHAR_A + ('L' - 'A'),
-
-  EL_CHAR_MINUS,
-  EL_CHAR_A + ('D' - 'A'),
-  EL_CHAR_A + ('E' - 'A'),
-  EL_CHAR_A + ('R' - 'A'),
-
-  EL_CHAR_A + ('D' - 'A'),
-  EL_CHAR_A + ('A' - 'A'),
-  EL_CHAR_A + ('S' - 'A'),
-  EL_CHAR_A + ('H' - 'A'),
-
-  EL_SPIELFIGUR,
-  EL_LEERRAUM,
-  EL_ERDREICH,
-  EL_BETON,
-
-  EL_FELSBODEN,
-  EL_SIEB2_LEER,
-  EL_AUSGANG_ZU,
-  EL_AUSGANG_AUF,
-
-  EL_EDELSTEIN_BD,
-  EL_BUTTERFLY_O,
-  EL_FIREFLY_O,
-  EL_FELSBROCKEN,
-
-  EL_BUTTERFLY_L,
-  EL_FIREFLY_L,
-  EL_BUTTERFLY_R,
-  EL_FIREFLY_R,
-
-  EL_AMOEBE_BD,
-  EL_BUTTERFLY_U,
-  EL_FIREFLY_U,
-  EL_LEERRAUM,
-
-  EL_CHAR_A + ('E' - 'A'),
-  EL_CHAR_A + ('M' - 'A'),
-  EL_CHAR_A + ('E' - 'A'),
-  EL_CHAR_MINUS,
-
-  EL_CHAR_A + ('R' - 'A'),
-  EL_CHAR_A + ('A' - 'A'),
-  EL_CHAR_A + ('L' - 'A'),
-  EL_CHAR_A + ('D' - 'A'),
-
-  EL_CHAR_A + ('M' - 'A'),
-  EL_CHAR_A + ('I' - 'A'),
-  EL_CHAR_A + ('N' - 'A'),
-  EL_CHAR_A + ('E' - 'A'),
-
-  EL_SPIELER1,
-  EL_SPIELER2,
-  EL_SPIELER3,
-  EL_SPIELER4,
-
-  EL_SPIELFIGUR,
-  EL_LEERRAUM,
-  EL_ERDREICH,
-  EL_FELSBROCKEN,
-
-  EL_BETON,
-  EL_MAUERWERK,
-  EL_FELSBODEN,
-  EL_SIEB_LEER,
-
-  EL_EDELSTEIN,
-  EL_DIAMANT,
-  EL_KOKOSNUSS,
-  EL_BOMBE,
-
-  EL_ERZ_EDEL,
-  EL_ERZ_DIAM,
-  EL_MORAST_LEER,
-  EL_MORAST_VOLL,
-
-  EL_DYNAMIT_AUS,
-  EL_DYNAMIT,
-  EL_AUSGANG_ZU,
-  EL_AUSGANG_AUF,
-
-  EL_MAMPFER,
-  EL_KAEFER_O,
-  EL_FLIEGER_O,
-  EL_ROBOT,
 
-  EL_KAEFER_L,
-  EL_FLIEGER_L,
-  EL_KAEFER_R,
-  EL_FLIEGER_R,
-
-  EL_ABLENK_AUS,
-  EL_KAEFER_U,
-  EL_FLIEGER_U,
-  EL_UNSICHTBAR,
-
-  EL_BADEWANNE1,
-  EL_SALZSAEURE,
-  EL_BADEWANNE2,
-  EL_LEERRAUM,
-
-  EL_BADEWANNE3,
-  EL_BADEWANNE4,
-  EL_BADEWANNE5,
-  EL_LEERRAUM,
-
-  EL_TROPFEN,
-  EL_AMOEBE_TOT,
-  EL_AMOEBE_NASS,
-  EL_AMOEBE_NORM,
-
-  EL_SCHLUESSEL1,
-  EL_SCHLUESSEL2,
-  EL_SCHLUESSEL3,
-  EL_SCHLUESSEL4,
-
-  EL_PFORTE1,
-  EL_PFORTE2,
-  EL_PFORTE3,
-  EL_PFORTE4,
-
-  EL_PFORTE1X,
-  EL_PFORTE2X,
-  EL_PFORTE3X,
-  EL_PFORTE4X,
-
-  EL_CHAR_A + ('M' - 'A'),
-  EL_CHAR_A + ('O' - 'A'),
-  EL_CHAR_A + ('R' - 'A'),
-  EL_CHAR_A + ('E' - 'A'),
-
-  EL_PFEIL_L,
-  EL_PFEIL_R,
-  EL_PFEIL_O,
-  EL_PFEIL_U,
-
-  EL_AMOEBE_VOLL,
-  EL_EDELSTEIN_GELB,
-  EL_EDELSTEIN_ROT,
-  EL_EDELSTEIN_LILA,
-
-  EL_ERZ_EDEL_BD,
-  EL_ERZ_EDEL_GELB,
-  EL_ERZ_EDEL_ROT,
-  EL_ERZ_EDEL_LILA,
-
-  EL_LIFE,
-  EL_PACMAN_O,
-  EL_ZEIT_VOLL,
-  EL_ZEIT_LEER,
-
-  EL_PACMAN_L,
-  EL_MAMPFER2,
-  EL_PACMAN_R,
-  EL_MAUER_LEBT,
-
-  EL_LIFE_ASYNC,
-  EL_PACMAN_U,
-  EL_BIRNE_AUS,
-  EL_BIRNE_EIN,
-
-  EL_DYNABOMB_NR,
-  EL_DYNABOMB_SZ,
-  EL_DYNABOMB_XL,
-  EL_BADEWANNE,
-
-  EL_MAULWURF,
-  EL_PINGUIN,
-  EL_SCHWEIN,
-  EL_DRACHE,
-
-  EL_SONDE,
-  EL_MAUER_X,
-  EL_MAUER_Y,
-  EL_MAUER_XY,
-
-  EL_CHAR_A + ('S' - 'A'),
-  EL_CHAR_A + ('O' - 'A'),
-  EL_CHAR_A + ('K' - 'A'),
-  EL_CHAR_A + ('O' - 'A'),
-
-  EL_CHAR_MINUS,
-  EL_CHAR_A + ('B' - 'A'),
-  EL_CHAR_A + ('A' - 'A'),
-  EL_CHAR_A + ('N' - 'A'),
-
-  EL_SOKOBAN_OBJEKT,
-  EL_SOKOBAN_FELD_LEER,
-  EL_SOKOBAN_FELD_VOLL,
-  EL_BETON,
+/*
+  -----------------------------------------------------------------------------
+  screen and artwork graphic pixel position definitions
+  -----------------------------------------------------------------------------
+*/
+
+/* positions in the level editor */
+#define ED_WIN_MB_LEFT_XPOS		6
+#define ED_WIN_MB_LEFT_YPOS		258
+#define ED_WIN_MB_MIDDLE_XPOS		42
+#define ED_WIN_MB_MIDDLE_YPOS		ED_WIN_MB_LEFT_YPOS
+#define ED_WIN_MB_RIGHT_XPOS		78
+#define ED_WIN_MB_RIGHT_YPOS		ED_WIN_MB_LEFT_YPOS
+
+/* values for the control window */
+#define ED_CTRL_BUTTONS_GFX_YPOS 	236
+#define ED_CTRL_BUTTONS_ALT_GFX_YPOS 	142
+
+#define ED_CTRL1_BUTTONS_HORIZ		4
+#define ED_CTRL1_BUTTONS_VERT		4
+#define ED_CTRL1_BUTTON_XSIZE		22
+#define ED_CTRL1_BUTTON_YSIZE		22
+#define ED_CTRL1_BUTTONS_XPOS		6
+#define ED_CTRL1_BUTTONS_YPOS		6
+#define ED_CTRL2_BUTTONS_HORIZ		3
+#define ED_CTRL2_BUTTONS_VERT		2
+#define ED_CTRL2_BUTTON_XSIZE		30
+#define ED_CTRL2_BUTTON_YSIZE		20
+#define ED_CTRL2_BUTTONS_XPOS		5
+#define ED_CTRL2_BUTTONS_YPOS		99
+#define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
+#define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
+#define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_BUTTONS + ED_NUM_CTRL2_BUTTONS)
+
+/* values for the element list */
+#define ED_ELEMENTLIST_XPOS		5
+#define ED_ELEMENTLIST_YPOS		30
+#define ED_ELEMENTLIST_XSIZE		20
+#define ED_ELEMENTLIST_YSIZE		20
+#define ED_ELEMENTLIST_BUTTONS_HORIZ	4
+#define ED_ELEMENTLIST_BUTTONS_VERT	11
+#define ED_NUM_ELEMENTLIST_BUTTONS	(ED_ELEMENTLIST_BUTTONS_HORIZ * \
+					 ED_ELEMENTLIST_BUTTONS_VERT)
+
+/* standard distances */
+#define ED_BORDER_SIZE			3
+#define ED_BORDER2_SIZE			5
+#define ED_GADGET_DISTANCE		2
+#define ED_GADGET_TEXT_DISTANCE		(2 * ED_GADGET_DISTANCE)
+
+/* values for the setting windows */
+#define ED_SETTINGS_XSTART		(3 * MINI_TILEX / 2)
+#define ED_SETTINGS_YSTART		(MINI_TILEY * 10)
+
+#define ED_XOFFSET_CHECKBOX		(ED_CHECKBUTTON_XSIZE + \
+					 2 * ED_GADGET_DISTANCE)
+
+#define ED_SETTINGS_XOFFSET		ED_XOFFSET_CHECKBOX
+#define ED_SETTINGS_YOFFSET		(3 * MINI_TILEY / 2)
+
+#define ED_SETTINGS_XPOS(n)		(ED_SETTINGS_XSTART + \
+	 				 n * ED_SETTINGS_XOFFSET)
+#define ED_SETTINGS_YPOS(n)		(ED_SETTINGS_YSTART + \
+					 n * ED_SETTINGS_YOFFSET)
+
+#define ED_SETTINGS1_YPOS		MINI_TILEY
+#define ED_SETTINGS2_XPOS		MINI_TILEX
+#define ED_SETTINGS2_YPOS		(ED_SETTINGS1_YPOS + 12 * TILEY - 2)
+
+/* values for counter gadgets */
+#define ED_COUNT_PUSH_DELAY_RND_XPOS	(ED_SETTINGS_XPOS(1) + 16 * MINI_TILEX)
+#define ED_COUNT_MOVE_DELAY_RND_XPOS	ED_COUNT_PUSH_DELAY_RND_XPOS
+#define ED_COUNT_CHANGE_DELAY_RND_XPOS	(ED_SETTINGS_XPOS(1) + 13 * MINI_TILEX)
+
+#define ED_COUNTER_YSTART		(ED_SETTINGS1_YPOS + 2 * TILEY)
+#define ED_COUNTER_YDISTANCE		(3 * MINI_TILEY)
+#define ED_COUNTER_YPOS(n)		(ED_COUNTER_YSTART + \
+					 n * ED_COUNTER_YDISTANCE)
+#define ED_COUNTER2_YPOS(n)		(ED_COUNTER_YSTART + \
+					 n * ED_COUNTER_YDISTANCE - 2)
+
+/* values for element content drawing areas */
+/* amoeba content */
+#define ED_AREA_ELEM_CONTENT_XPOS	( 2 * MINI_TILEX)
+#define ED_AREA_ELEM_CONTENT_YPOS	(22 * MINI_TILEY)
+
+/* custom change target */
+#define ED_AREA_ELEM_CONTENT2_XPOS	(20 * MINI_TILEX)
+#define ED_AREA_ELEM_CONTENT2_YPOS	(ED_SETTINGS_YPOS(2) + \
+					 ED_GADGET_DISTANCE)
+/* optional custom graphic */
+#define ED_AREA_ELEM_CONTENT3_XPOS	(24 * MINI_TILEX)
+#define ED_AREA_ELEM_CONTENT3_YPOS	(ED_SETTINGS_YPOS(1) + \
+					 ED_GADGET_DISTANCE)
+/* custom element content */
+#define ED_AREA_ELEM_CONTENT4_XPOS	(29 * MINI_TILEX)
+#define ED_AREA_ELEM_CONTENT4_YPOS	(ED_SETTINGS_YPOS(12) + \
+					 ED_GADGET_DISTANCE - MINI_TILEY)
+/* custom change trigger element */
+#define ED_AREA_ELEM_CONTENT5_XPOS	(28 * MINI_TILEX)
+#define ED_AREA_ELEM_CONTENT5_YPOS	(ED_SETTINGS_YPOS(7) + \
+					 ED_GADGET_DISTANCE)
+/* extended custom change target */
+#define ED_AREA_ELEM_CONTENT6_XPOS	(29 * MINI_TILEX)
+#define ED_AREA_ELEM_CONTENT6_YPOS	(ED_SETTINGS_YPOS(10) + \
+					 ED_GADGET_DISTANCE - MINI_TILEY)
+
+/* values for random placement background drawing area */
+#define ED_AREA_RANDOM_BACKGROUND_XPOS	(29 * MINI_TILEX)
+#define ED_AREA_RANDOM_BACKGROUND_YPOS	(31 * MINI_TILEY)
+
+/* values for scrolling gadgets for drawing area */
+#define ED_SCROLLBUTTON_XPOS		24
+#define ED_SCROLLBUTTON_YPOS		0
+#define ED_SCROLLBAR_XPOS		24
+#define ED_SCROLLBAR_YPOS		64
+
+#define ED_SCROLLBUTTON_XSIZE		16
+#define ED_SCROLLBUTTON_YSIZE		16
+
+#define ED_SCROLL_UP_XPOS		(SXSIZE - ED_SCROLLBUTTON_XSIZE)
+#define ED_SCROLL_UP_YPOS		(0)
+#define ED_SCROLL_DOWN_XPOS		ED_SCROLL_UP_XPOS
+#define ED_SCROLL_DOWN_YPOS		(SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
+#define ED_SCROLL_LEFT_XPOS		(0)
+#define ED_SCROLL_LEFT_YPOS		(SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
+#define ED_SCROLL_RIGHT_XPOS		(SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
+#define ED_SCROLL_RIGHT_YPOS		ED_SCROLL_LEFT_YPOS
+#define ED_SCROLL_HORIZONTAL_XPOS (ED_SCROLL_LEFT_XPOS + ED_SCROLLBUTTON_XSIZE)
+#define ED_SCROLL_HORIZONTAL_YPOS	ED_SCROLL_LEFT_YPOS
+#define ED_SCROLL_HORIZONTAL_XSIZE	(SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
+#define ED_SCROLL_HORIZONTAL_YSIZE	ED_SCROLLBUTTON_YSIZE
+#define ED_SCROLL_VERTICAL_XPOS		ED_SCROLL_UP_XPOS
+#define ED_SCROLL_VERTICAL_YPOS	  (ED_SCROLL_UP_YPOS + ED_SCROLLBUTTON_YSIZE)
+#define ED_SCROLL_VERTICAL_XSIZE	ED_SCROLLBUTTON_XSIZE
+#define ED_SCROLL_VERTICAL_YSIZE	(SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
+
+/* values for scrolling gadgets for element list */
+#define ED_SCROLLBUTTON2_XPOS		50
+#define ED_SCROLLBUTTON2_YPOS		0
+#define ED_SCROLLBAR2_XPOS		50
+#define ED_SCROLLBAR2_YPOS		20
+
+#define ED_SCROLLBUTTON2_XSIZE		10
+#define ED_SCROLLBUTTON2_YSIZE		10
+
+#define ED_SCROLL2_UP_XPOS		85
+#define ED_SCROLL2_UP_YPOS		30
+#define ED_SCROLL2_DOWN_XPOS		ED_SCROLL2_UP_XPOS
+#define ED_SCROLL2_DOWN_YPOS		(ED_SCROLL2_UP_YPOS + \
+					 ED_ELEMENTLIST_BUTTONS_VERT * \
+					 ED_ELEMENTLIST_YSIZE - \
+					 ED_SCROLLBUTTON2_YSIZE)
+#define ED_SCROLL2_VERTICAL_XPOS	ED_SCROLL2_UP_XPOS
+#define ED_SCROLL2_VERTICAL_YPOS	(ED_SCROLL2_UP_YPOS + \
+					 ED_SCROLLBUTTON2_YSIZE)
+#define ED_SCROLL2_VERTICAL_XSIZE	ED_SCROLLBUTTON2_XSIZE
+#define ED_SCROLL2_VERTICAL_YSIZE	(ED_ELEMENTLIST_BUTTONS_VERT * \
+					 ED_ELEMENTLIST_YSIZE - \
+					 2 * ED_SCROLLBUTTON2_YSIZE)
+
+/* values for checkbutton gadgets */
+#define ED_CHECKBUTTON_XSIZE		ED_BUTTON_COUNT_XSIZE
+#define ED_CHECKBUTTON_YSIZE		ED_BUTTON_COUNT_YSIZE
+#define ED_CHECKBUTTON_UNCHECKED_XPOS	ED_BUTTON_MINUS_XPOS
+#define ED_CHECKBUTTON_CHECKED_XPOS	ED_BUTTON_PLUS_XPOS
+#define ED_CHECKBUTTON_YPOS		(ED_BUTTON_MINUS_YPOS + 22)
+#define ED_RADIOBUTTON_YPOS		(ED_BUTTON_MINUS_YPOS + 44)
+#define ED_STICKYBUTTON_YPOS		(ED_BUTTON_MINUS_YPOS + 66)
+
+/* some positions in the editor control window */
+#define ED_BUTTON_ELEM_XPOS		6
+#define ED_BUTTON_ELEM_YPOS		30
+#define ED_BUTTON_ELEM_XSIZE		22
+#define ED_BUTTON_ELEM_YSIZE		22
+
+/* some values for text input, selectbox and counter gadgets */
+#define ED_BUTTON_COUNT_YPOS		60
+#define ED_BUTTON_COUNT_XSIZE		20
+#define ED_BUTTON_COUNT_YSIZE		20
+#define ED_WIN_COUNT_XPOS		(2 + ED_BUTTON_COUNT_XSIZE + 2)
+#define ED_WIN_COUNT_YPOS		ED_BUTTON_COUNT_YPOS
+#define ED_WIN_COUNT_XSIZE		52
+#define ED_WIN_COUNT_YSIZE		ED_BUTTON_COUNT_YSIZE
+#define ED_WIN_COUNT2_XPOS		27
+#define ED_WIN_COUNT2_YPOS		3
+#define ED_WIN_COUNT2_XSIZE		46
+#define ED_WIN_COUNT2_YSIZE		ED_BUTTON_COUNT_YSIZE
+
+#define ED_BUTTON_MINUS_XPOS		2
+#define ED_BUTTON_MINUS_YPOS		ED_BUTTON_COUNT_YPOS
+#define ED_BUTTON_MINUS_XSIZE		ED_BUTTON_COUNT_XSIZE
+#define ED_BUTTON_MINUS_YSIZE		ED_BUTTON_COUNT_YSIZE
+#define ED_BUTTON_PLUS_XPOS		(ED_WIN_COUNT_XPOS + \
+	 				 ED_WIN_COUNT_XSIZE + 2)
+#define ED_BUTTON_PLUS_YPOS		ED_BUTTON_COUNT_YPOS
+#define ED_BUTTON_PLUS_XSIZE		ED_BUTTON_COUNT_XSIZE
+#define ED_BUTTON_PLUS_YSIZE		ED_BUTTON_COUNT_YSIZE
+
+#define ED_SELECTBOX_XPOS		ED_WIN_COUNT_XPOS
+#define ED_SELECTBOX_YPOS		(ED_WIN_COUNT_YPOS + \
+					 2 + ED_WIN_COUNT_YSIZE)
+#define ED_SELECTBOX_XSIZE		ED_WIN_COUNT_XSIZE
+#define ED_SELECTBOX_YSIZE		ED_WIN_COUNT_YSIZE
+
+#define ED_TEXTBUTTON_XPOS		ED_WIN_COUNT_XPOS
+#define ED_TEXTBUTTON_YPOS		(ED_WIN_COUNT_YPOS + \
+					 4 * (2 + ED_WIN_COUNT_YSIZE))
+#define ED_TEXTBUTTON_INACTIVE_YPOS	ED_TEXTBUTTON_YPOS
+
+#define ED_TEXTBUTTON_TAB_XPOS		ED_WIN_COUNT_XPOS
+#define ED_TEXTBUTTON_TAB_YPOS		(ED_WIN_COUNT_YPOS + \
+					 2 * (2 + ED_WIN_COUNT_YSIZE))
+#define ED_TEXTBUTTON_TAB_INACTIVE_YPOS	(ED_WIN_COUNT_YPOS + \
+					 3 * (2 + ED_WIN_COUNT_YSIZE))
+
+#define ED_TEXTBUTTON_XSIZE		ED_WIN_COUNT_XSIZE
+#define ED_TEXTBUTTON_YSIZE		ED_WIN_COUNT_YSIZE
+
+/* values for ClearEditorGadgetInfoText() and HandleGadgetInfoText() */
+#define INFOTEXT_XPOS			SX
+#define INFOTEXT_YPOS			(SY + SYSIZE - MINI_TILEX + 2)
+#define INFOTEXT_XSIZE			SXSIZE
+#define INFOTEXT_YSIZE			MINI_TILEX
+
+
+/*
+  -----------------------------------------------------------------------------
+  editor gadget definitions
+  -----------------------------------------------------------------------------
+*/
+
+/* drawing toolbox buttons */
+#define GADGET_ID_NONE			-1
+#define GADGET_ID_TOOLBOX_FIRST		0
+
+#define GADGET_ID_SINGLE_ITEMS		(GADGET_ID_TOOLBOX_FIRST + 0)
+#define GADGET_ID_CONNECTED_ITEMS	(GADGET_ID_TOOLBOX_FIRST + 1)
+#define GADGET_ID_LINE			(GADGET_ID_TOOLBOX_FIRST + 2)
+#define GADGET_ID_ARC			(GADGET_ID_TOOLBOX_FIRST + 3)
+#define GADGET_ID_RECTANGLE		(GADGET_ID_TOOLBOX_FIRST + 4)
+#define GADGET_ID_FILLED_BOX		(GADGET_ID_TOOLBOX_FIRST + 5)
+#define GADGET_ID_WRAP_UP		(GADGET_ID_TOOLBOX_FIRST + 6)
+#define GADGET_ID_TEXT			(GADGET_ID_TOOLBOX_FIRST + 7)
+#define GADGET_ID_FLOOD_FILL		(GADGET_ID_TOOLBOX_FIRST + 8)
+#define GADGET_ID_WRAP_LEFT		(GADGET_ID_TOOLBOX_FIRST + 9)
+#define GADGET_ID_PROPERTIES		(GADGET_ID_TOOLBOX_FIRST + 10)
+#define GADGET_ID_WRAP_RIGHT		(GADGET_ID_TOOLBOX_FIRST + 11)
+#define GADGET_ID_RANDOM_PLACEMENT	(GADGET_ID_TOOLBOX_FIRST + 12)
+#define GADGET_ID_GRAB_BRUSH		(GADGET_ID_TOOLBOX_FIRST + 13)
+#define GADGET_ID_WRAP_DOWN		(GADGET_ID_TOOLBOX_FIRST + 14)
+#define GADGET_ID_PICK_ELEMENT		(GADGET_ID_TOOLBOX_FIRST + 15)
+#define GADGET_ID_UNDO			(GADGET_ID_TOOLBOX_FIRST + 16)
+#define GADGET_ID_INFO			(GADGET_ID_TOOLBOX_FIRST + 17)
+#define GADGET_ID_SAVE			(GADGET_ID_TOOLBOX_FIRST + 18)
+#define GADGET_ID_CLEAR			(GADGET_ID_TOOLBOX_FIRST + 19)
+#define GADGET_ID_TEST			(GADGET_ID_TOOLBOX_FIRST + 20)
+#define GADGET_ID_EXIT			(GADGET_ID_TOOLBOX_FIRST + 21)
+
+/* counter button identifiers */
+#define GADGET_ID_COUNTER_FIRST		(GADGET_ID_TOOLBOX_FIRST + 22)
+
+#define GADGET_ID_SELECT_LEVEL_DOWN	(GADGET_ID_COUNTER_FIRST + 0)
+#define GADGET_ID_SELECT_LEVEL_TEXT	(GADGET_ID_COUNTER_FIRST + 1)
+#define GADGET_ID_SELECT_LEVEL_UP	(GADGET_ID_COUNTER_FIRST + 2)
+#define GADGET_ID_LEVEL_XSIZE_DOWN	(GADGET_ID_COUNTER_FIRST + 3)
+#define GADGET_ID_LEVEL_XSIZE_TEXT	(GADGET_ID_COUNTER_FIRST + 4)
+#define GADGET_ID_LEVEL_XSIZE_UP	(GADGET_ID_COUNTER_FIRST + 5)
+#define GADGET_ID_LEVEL_YSIZE_DOWN	(GADGET_ID_COUNTER_FIRST + 6)
+#define GADGET_ID_LEVEL_YSIZE_TEXT	(GADGET_ID_COUNTER_FIRST + 7)
+#define GADGET_ID_LEVEL_YSIZE_UP	(GADGET_ID_COUNTER_FIRST + 8)
+#define GADGET_ID_LEVEL_RANDOM_DOWN	(GADGET_ID_COUNTER_FIRST + 9)
+#define GADGET_ID_LEVEL_RANDOM_TEXT	(GADGET_ID_COUNTER_FIRST + 10)
+#define GADGET_ID_LEVEL_RANDOM_UP	(GADGET_ID_COUNTER_FIRST + 11)
+#define GADGET_ID_LEVEL_GEMSLIMIT_DOWN	(GADGET_ID_COUNTER_FIRST + 12)
+#define GADGET_ID_LEVEL_GEMSLIMIT_TEXT	(GADGET_ID_COUNTER_FIRST + 13)
+#define GADGET_ID_LEVEL_GEMSLIMIT_UP	(GADGET_ID_COUNTER_FIRST + 14)
+#define GADGET_ID_LEVEL_TIMELIMIT_DOWN	(GADGET_ID_COUNTER_FIRST + 15)
+#define GADGET_ID_LEVEL_TIMELIMIT_TEXT	(GADGET_ID_COUNTER_FIRST + 16)
+#define GADGET_ID_LEVEL_TIMELIMIT_UP	(GADGET_ID_COUNTER_FIRST + 17)
+#define GADGET_ID_LEVEL_TIMESCORE_DOWN	(GADGET_ID_COUNTER_FIRST + 18)
+#define GADGET_ID_LEVEL_TIMESCORE_TEXT	(GADGET_ID_COUNTER_FIRST + 19)
+#define GADGET_ID_LEVEL_TIMESCORE_UP	(GADGET_ID_COUNTER_FIRST + 20)
+#define GADGET_ID_ELEMENT_SCORE_DOWN	(GADGET_ID_COUNTER_FIRST + 21)
+#define GADGET_ID_ELEMENT_SCORE_TEXT	(GADGET_ID_COUNTER_FIRST + 22)
+#define GADGET_ID_ELEMENT_SCORE_UP	(GADGET_ID_COUNTER_FIRST + 23)
+#define GADGET_ID_ELEMENT_CONTENT_DOWN	(GADGET_ID_COUNTER_FIRST + 24)
+#define GADGET_ID_ELEMENT_CONTENT_TEXT	(GADGET_ID_COUNTER_FIRST + 25)
+#define GADGET_ID_ELEMENT_CONTENT_UP	(GADGET_ID_COUNTER_FIRST + 26)
+#define GADGET_ID_CUSTOM_SCORE_DOWN	(GADGET_ID_COUNTER_FIRST + 27)
+#define GADGET_ID_CUSTOM_SCORE_TEXT	(GADGET_ID_COUNTER_FIRST + 28)
+#define GADGET_ID_CUSTOM_SCORE_UP	(GADGET_ID_COUNTER_FIRST + 29)
+#define GADGET_ID_CUSTOM_GEMCOUNT_DOWN	(GADGET_ID_COUNTER_FIRST + 30)
+#define GADGET_ID_CUSTOM_GEMCOUNT_TEXT	(GADGET_ID_COUNTER_FIRST + 31)
+#define GADGET_ID_CUSTOM_GEMCOUNT_UP	(GADGET_ID_COUNTER_FIRST + 32)
+#define GADGET_ID_PUSH_DELAY_FIX_DOWN	(GADGET_ID_COUNTER_FIRST + 33)
+#define GADGET_ID_PUSH_DELAY_FIX_TEXT	(GADGET_ID_COUNTER_FIRST + 34)
+#define GADGET_ID_PUSH_DELAY_FIX_UP	(GADGET_ID_COUNTER_FIRST + 35)
+#define GADGET_ID_PUSH_DELAY_RND_DOWN	(GADGET_ID_COUNTER_FIRST + 36)
+#define GADGET_ID_PUSH_DELAY_RND_TEXT	(GADGET_ID_COUNTER_FIRST + 37)
+#define GADGET_ID_PUSH_DELAY_RND_UP	(GADGET_ID_COUNTER_FIRST + 38)
+#define GADGET_ID_MOVE_DELAY_FIX_DOWN	(GADGET_ID_COUNTER_FIRST + 39)
+#define GADGET_ID_MOVE_DELAY_FIX_TEXT	(GADGET_ID_COUNTER_FIRST + 40)
+#define GADGET_ID_MOVE_DELAY_FIX_UP	(GADGET_ID_COUNTER_FIRST + 41)
+#define GADGET_ID_MOVE_DELAY_RND_DOWN	(GADGET_ID_COUNTER_FIRST + 42)
+#define GADGET_ID_MOVE_DELAY_RND_TEXT	(GADGET_ID_COUNTER_FIRST + 43)
+#define GADGET_ID_MOVE_DELAY_RND_UP	(GADGET_ID_COUNTER_FIRST + 44)
+#define GADGET_ID_CHANGE_DELAY_FIX_DOWN	(GADGET_ID_COUNTER_FIRST + 45)
+#define GADGET_ID_CHANGE_DELAY_FIX_TEXT	(GADGET_ID_COUNTER_FIRST + 46)
+#define GADGET_ID_CHANGE_DELAY_FIX_UP	(GADGET_ID_COUNTER_FIRST + 47)
+#define GADGET_ID_CHANGE_DELAY_RND_DOWN	(GADGET_ID_COUNTER_FIRST + 48)
+#define GADGET_ID_CHANGE_DELAY_RND_TEXT	(GADGET_ID_COUNTER_FIRST + 49)
+#define GADGET_ID_CHANGE_DELAY_RND_UP	(GADGET_ID_COUNTER_FIRST + 50)
+#define GADGET_ID_CHANGE_CONT_RND_DOWN	(GADGET_ID_COUNTER_FIRST + 51)
+#define GADGET_ID_CHANGE_CONT_RND_TEXT	(GADGET_ID_COUNTER_FIRST + 52)
+#define GADGET_ID_CHANGE_CONT_RND_UP	(GADGET_ID_COUNTER_FIRST + 53)
+
+/* drawing area identifiers */
+#define GADGET_ID_DRAWING_AREA_FIRST	(GADGET_ID_COUNTER_FIRST + 54)
+
+#define GADGET_ID_DRAWING_LEVEL		(GADGET_ID_DRAWING_AREA_FIRST + 0)
+#define GADGET_ID_ELEMENT_CONTENT_0	(GADGET_ID_DRAWING_AREA_FIRST + 1)
+#define GADGET_ID_ELEMENT_CONTENT_1	(GADGET_ID_DRAWING_AREA_FIRST + 2)
+#define GADGET_ID_ELEMENT_CONTENT_2	(GADGET_ID_DRAWING_AREA_FIRST + 3)
+#define GADGET_ID_ELEMENT_CONTENT_3	(GADGET_ID_DRAWING_AREA_FIRST + 4)
+#define GADGET_ID_ELEMENT_CONTENT_4	(GADGET_ID_DRAWING_AREA_FIRST + 5)
+#define GADGET_ID_ELEMENT_CONTENT_5	(GADGET_ID_DRAWING_AREA_FIRST + 6)
+#define GADGET_ID_ELEMENT_CONTENT_6	(GADGET_ID_DRAWING_AREA_FIRST + 7)
+#define GADGET_ID_ELEMENT_CONTENT_7	(GADGET_ID_DRAWING_AREA_FIRST + 8)
+#define GADGET_ID_AMOEBA_CONTENT	(GADGET_ID_DRAWING_AREA_FIRST + 9)
+#define GADGET_ID_CUSTOM_GRAPHIC	(GADGET_ID_DRAWING_AREA_FIRST + 10)
+#define GADGET_ID_CUSTOM_CONTENT	(GADGET_ID_DRAWING_AREA_FIRST + 11)
+#define GADGET_ID_CUSTOM_CHANGE_TARGET	(GADGET_ID_DRAWING_AREA_FIRST + 12)
+#define GADGET_ID_CUSTOM_CHANGE_CONTENT	(GADGET_ID_DRAWING_AREA_FIRST + 13)
+#define GADGET_ID_CUSTOM_CHANGE_TRIGGER	(GADGET_ID_DRAWING_AREA_FIRST + 14)
+#define GADGET_ID_RANDOM_BACKGROUND	(GADGET_ID_DRAWING_AREA_FIRST + 15)
+
+/* text input identifiers */
+#define GADGET_ID_TEXT_INPUT_FIRST	(GADGET_ID_DRAWING_AREA_FIRST + 16)
+
+#define GADGET_ID_LEVEL_NAME		(GADGET_ID_TEXT_INPUT_FIRST + 0)
+#define GADGET_ID_LEVEL_AUTHOR		(GADGET_ID_TEXT_INPUT_FIRST + 1)
+
+/* selectbox identifiers */
+#define GADGET_ID_SELECTBOX_FIRST	(GADGET_ID_TEXT_INPUT_FIRST + 2)
+
+#define GADGET_ID_CUSTOM_WALK_TO_ACTION	(GADGET_ID_SELECTBOX_FIRST + 0)
+#define GADGET_ID_CUSTOM_CONSISTENCY	(GADGET_ID_SELECTBOX_FIRST + 1)
+#define GADGET_ID_CUSTOM_DEADLINESS	(GADGET_ID_SELECTBOX_FIRST + 2)
+#define GADGET_ID_CUSTOM_MOVE_PATTERN	(GADGET_ID_SELECTBOX_FIRST + 3)
+#define GADGET_ID_CUSTOM_MOVE_DIRECTION	(GADGET_ID_SELECTBOX_FIRST + 4)
+#define GADGET_ID_CUSTOM_MOVE_STEPSIZE	(GADGET_ID_SELECTBOX_FIRST + 5)
+#define GADGET_ID_CUSTOM_SMASH_TARGETS	(GADGET_ID_SELECTBOX_FIRST + 6)
+#define GADGET_ID_CUSTOM_ACCESS_TYPE	(GADGET_ID_SELECTBOX_FIRST + 7)
+#define GADGET_ID_CUSTOM_ACCESS_LAYER	(GADGET_ID_SELECTBOX_FIRST + 8)
+#define GADGET_ID_CHANGE_TIME_UNITS	(GADGET_ID_SELECTBOX_FIRST + 9)
+#define GADGET_ID_CHANGE_PLAYER_ACTION	(GADGET_ID_SELECTBOX_FIRST + 10)
+#define GADGET_ID_CHANGE_COLLIDE_ACTION	(GADGET_ID_SELECTBOX_FIRST + 11)
+#define GADGET_ID_CHANGE_OTHER_ACTION	(GADGET_ID_SELECTBOX_FIRST + 12)
+#define GADGET_ID_CHANGE_POWER		(GADGET_ID_SELECTBOX_FIRST + 13)
+
+/* textbutton identifiers */
+#define GADGET_ID_TEXTBUTTON_FIRST	(GADGET_ID_SELECTBOX_FIRST + 14)
+
+#define GADGET_ID_PROPERTIES_INFO	(GADGET_ID_TEXTBUTTON_FIRST + 0)
+#define GADGET_ID_PROPERTIES_CONFIG	(GADGET_ID_TEXTBUTTON_FIRST + 1)
+#define GADGET_ID_PROPERTIES_ADVANCED	(GADGET_ID_TEXTBUTTON_FIRST + 2)
+#define GADGET_ID_SAVE_AS_TEMPLATE	(GADGET_ID_TEXTBUTTON_FIRST + 3)
+
+/* gadgets for scrolling of drawing area */
+#define GADGET_ID_SCROLLING_FIRST	(GADGET_ID_TEXTBUTTON_FIRST + 4)
+
+#define GADGET_ID_SCROLL_UP		(GADGET_ID_SCROLLING_FIRST + 0)
+#define GADGET_ID_SCROLL_DOWN		(GADGET_ID_SCROLLING_FIRST + 1)
+#define GADGET_ID_SCROLL_LEFT		(GADGET_ID_SCROLLING_FIRST + 2)
+#define GADGET_ID_SCROLL_RIGHT		(GADGET_ID_SCROLLING_FIRST + 3)
+#define GADGET_ID_SCROLL_HORIZONTAL	(GADGET_ID_SCROLLING_FIRST + 4)
+#define GADGET_ID_SCROLL_VERTICAL	(GADGET_ID_SCROLLING_FIRST + 5)
+
+/* gadgets for scrolling element list */
+#define GADGET_ID_SCROLLING_LIST_FIRST	(GADGET_ID_SCROLLING_FIRST + 6)
+
+#define GADGET_ID_SCROLL_LIST_UP	(GADGET_ID_SCROLLING_LIST_FIRST + 0)
+#define GADGET_ID_SCROLL_LIST_DOWN	(GADGET_ID_SCROLLING_LIST_FIRST + 1)
+#define GADGET_ID_SCROLL_LIST_VERTICAL	(GADGET_ID_SCROLLING_LIST_FIRST + 2)
+
+/* checkbuttons for level/element properties */
+#define GADGET_ID_CHECKBUTTON_FIRST	(GADGET_ID_SCROLLING_LIST_FIRST + 3)
+
+#define GADGET_ID_RANDOM_PERCENTAGE	(GADGET_ID_CHECKBUTTON_FIRST + 0)
+#define GADGET_ID_RANDOM_QUANTITY	(GADGET_ID_CHECKBUTTON_FIRST + 1)
+#define GADGET_ID_RANDOM_RESTRICTED	(GADGET_ID_CHECKBUTTON_FIRST + 2)
+#define GADGET_ID_DOUBLE_SPEED		(GADGET_ID_CHECKBUTTON_FIRST + 3)
+#define GADGET_ID_GRAVITY		(GADGET_ID_CHECKBUTTON_FIRST + 4)
+#define GADGET_ID_STICK_ELEMENT		(GADGET_ID_CHECKBUTTON_FIRST + 5)
+#define GADGET_ID_EM_SLIPPERY_GEMS	(GADGET_ID_CHECKBUTTON_FIRST + 6)
+#define GADGET_ID_CUSTOM_EXPLODE_RESULT	(GADGET_ID_CHECKBUTTON_FIRST + 7)
+#define GADGET_ID_CUSTOM_EXPLODE_FIRE	(GADGET_ID_CHECKBUTTON_FIRST + 8)
+#define GADGET_ID_CUSTOM_EXPLODE_SMASH	(GADGET_ID_CHECKBUTTON_FIRST + 9)
+#define GADGET_ID_CUSTOM_EXPLODE_IMPACT	(GADGET_ID_CHECKBUTTON_FIRST + 10)
+#define GADGET_ID_CUSTOM_WALK_TO_OBJECT	(GADGET_ID_CHECKBUTTON_FIRST + 11)
+#define GADGET_ID_CUSTOM_DEADLY		(GADGET_ID_CHECKBUTTON_FIRST + 12)
+#define GADGET_ID_CUSTOM_CAN_MOVE	(GADGET_ID_CHECKBUTTON_FIRST + 13)
+#define GADGET_ID_CUSTOM_CAN_FALL	(GADGET_ID_CHECKBUTTON_FIRST + 14)
+#define GADGET_ID_CUSTOM_CAN_SMASH	(GADGET_ID_CHECKBUTTON_FIRST + 15)
+#define GADGET_ID_CUSTOM_SLIPPERY	(GADGET_ID_CHECKBUTTON_FIRST + 16)
+#define GADGET_ID_CUSTOM_ACCESSIBLE	(GADGET_ID_CHECKBUTTON_FIRST + 17)
+#define GADGET_ID_CUSTOM_USE_GRAPHIC	(GADGET_ID_CHECKBUTTON_FIRST + 18)
+#define GADGET_ID_CUSTOM_USE_TEMPLATE	(GADGET_ID_CHECKBUTTON_FIRST + 19)
+#define GADGET_ID_CUSTOM_CAN_CHANGE	(GADGET_ID_CHECKBUTTON_FIRST + 20)
+#define GADGET_ID_CHANGE_USE_CONTENT	(GADGET_ID_CHECKBUTTON_FIRST + 21)
+#define GADGET_ID_CHANGE_USE_EXPLOSION	(GADGET_ID_CHECKBUTTON_FIRST + 22)
+#define GADGET_ID_CHANGE_ONLY_COMPLETE	(GADGET_ID_CHECKBUTTON_FIRST + 23)
+#define GADGET_ID_CHANGE_USE_RANDOM	(GADGET_ID_CHECKBUTTON_FIRST + 24)
+#define GADGET_ID_CHANGE_DELAY		(GADGET_ID_CHECKBUTTON_FIRST + 25)
+#define GADGET_ID_CHANGE_BY_PLAYER	(GADGET_ID_CHECKBUTTON_FIRST + 26)
+#define GADGET_ID_CHANGE_BY_COLLISION	(GADGET_ID_CHECKBUTTON_FIRST + 27)
+#define GADGET_ID_CHANGE_BY_OTHER	(GADGET_ID_CHECKBUTTON_FIRST + 28)
+
+/* gadgets for buttons in element list */
+#define GADGET_ID_ELEMENTLIST_FIRST	(GADGET_ID_CHECKBUTTON_FIRST + 29)
+#define GADGET_ID_ELEMENTLIST_LAST	(GADGET_ID_ELEMENTLIST_FIRST +	\
+	 				ED_NUM_ELEMENTLIST_BUTTONS - 1)
+
+#define NUM_EDITOR_GADGETS		(GADGET_ID_ELEMENTLIST_LAST + 1)
+
+/* radio button numbers */
+#define RADIO_NR_NONE			0
+#define RADIO_NR_DRAWING_TOOLBOX	1
+#define RADIO_NR_RANDOM_ELEMENTS	2
+
+/* values for counter gadgets */
+#define ED_COUNTER_ID_SELECT_LEVEL	0
+#define ED_COUNTER_ID_LEVEL_XSIZE	1
+#define ED_COUNTER_ID_LEVEL_YSIZE	2
+#define ED_COUNTER_ID_LEVEL_GEMSLIMIT	3
+#define ED_COUNTER_ID_LEVEL_TIMELIMIT	4
+#define ED_COUNTER_ID_LEVEL_TIMESCORE	5
+#define ED_COUNTER_ID_LEVEL_RANDOM	6
+#define ED_COUNTER_ID_ELEMENT_SCORE	7
+#define ED_COUNTER_ID_ELEMENT_CONTENT	8
+#define ED_COUNTER_ID_CUSTOM_SCORE	9
+#define ED_COUNTER_ID_CUSTOM_GEMCOUNT	10
+#define ED_COUNTER_ID_PUSH_DELAY_FIX	11
+#define ED_COUNTER_ID_PUSH_DELAY_RND	12
+#define ED_COUNTER_ID_MOVE_DELAY_FIX	13
+#define ED_COUNTER_ID_MOVE_DELAY_RND	14
+#define ED_COUNTER_ID_CHANGE_DELAY_FIX	15
+#define ED_COUNTER_ID_CHANGE_DELAY_RND	16
+#define ED_COUNTER_ID_CHANGE_CONT_RND	17
+
+#define ED_NUM_COUNTERBUTTONS		18
+
+#define ED_COUNTER_ID_LEVEL_FIRST	ED_COUNTER_ID_LEVEL_XSIZE
+#define ED_COUNTER_ID_LEVEL_LAST	ED_COUNTER_ID_LEVEL_RANDOM
+
+#define ED_COUNTER_ID_CUSTOM_FIRST	ED_COUNTER_ID_CUSTOM_SCORE
+#define ED_COUNTER_ID_CUSTOM_LAST	ED_COUNTER_ID_MOVE_DELAY_RND
+
+#define ED_COUNTER_ID_CHANGE_FIRST	ED_COUNTER_ID_CHANGE_DELAY_FIX
+#define ED_COUNTER_ID_CHANGE_LAST	ED_COUNTER_ID_CHANGE_CONT_RND
+
+/* values for scrollbutton gadgets */
+#define ED_SCROLLBUTTON_ID_AREA_UP	0
+#define ED_SCROLLBUTTON_ID_AREA_DOWN	1
+#define ED_SCROLLBUTTON_ID_AREA_LEFT	2
+#define ED_SCROLLBUTTON_ID_AREA_RIGHT	3
+#define ED_SCROLLBUTTON_ID_LIST_UP	4
+#define ED_SCROLLBUTTON_ID_LIST_DOWN	5
+
+#define ED_NUM_SCROLLBUTTONS		6
+
+#define ED_SCROLLBUTTON_ID_AREA_FIRST	ED_SCROLLBUTTON_ID_AREA_UP
+#define ED_SCROLLBUTTON_ID_AREA_LAST	ED_SCROLLBUTTON_ID_AREA_RIGHT
+
+/* values for scrollbar gadgets */
+#define ED_SCROLLBAR_ID_AREA_HORIZONTAL	0
+#define ED_SCROLLBAR_ID_AREA_VERTICAL	1
+#define ED_SCROLLBAR_ID_LIST_VERTICAL	2
+
+#define ED_NUM_SCROLLBARS		3
+
+#define ED_SCROLLBAR_ID_AREA_FIRST	ED_SCROLLBAR_ID_AREA_HORIZONTAL
+#define ED_SCROLLBAR_ID_AREA_LAST	ED_SCROLLBAR_ID_AREA_VERTICAL
+
+/* values for text input gadgets */
+#define ED_TEXTINPUT_ID_LEVEL_NAME	0
+#define ED_TEXTINPUT_ID_LEVEL_AUTHOR	1
+
+#define ED_NUM_TEXTINPUT		2
+
+#define ED_TEXTINPUT_ID_LEVEL_FIRST	ED_TEXTINPUT_ID_LEVEL_NAME
+#define ED_TEXTINPUT_ID_LEVEL_LAST	ED_TEXTINPUT_ID_LEVEL_AUTHOR
+
+/* values for selectbox gadgets */
+#define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION	0
+#define ED_SELECTBOX_ID_CUSTOM_CONSISTENCY	1
+#define ED_SELECTBOX_ID_CUSTOM_DEADLINESS	2
+#define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN	3
+#define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION	4
+#define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE	5
+#define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS	6
+#define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE	7
+#define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER	8
+#define ED_SELECTBOX_ID_CHANGE_TIME_UNITS	9
+#define ED_SELECTBOX_ID_CHANGE_PLAYER_ACTION	10
+#define ED_SELECTBOX_ID_CHANGE_COLLIDE_ACTION	11
+#define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION	12
+#define ED_SELECTBOX_ID_CHANGE_POWER		13
+
+#define ED_NUM_SELECTBOX			14
+
+#define ED_SELECTBOX_ID_CUSTOM_FIRST	ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
+#define ED_SELECTBOX_ID_CUSTOM_LAST	ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER
+
+#define ED_SELECTBOX_ID_CHANGE_FIRST	ED_SELECTBOX_ID_CHANGE_TIME_UNITS
+#define ED_SELECTBOX_ID_CHANGE_LAST	ED_SELECTBOX_ID_CHANGE_POWER
+
+/* values for textbutton gadgets */
+#define ED_TEXTBUTTON_ID_PROPERTIES_INFO	0
+#define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG	1
+#define ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED	2
+#define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE	3
+
+#define ED_NUM_TEXTBUTTON			4
+
+/* values for checkbutton gadgets */
+#define ED_CHECKBUTTON_ID_DOUBLE_SPEED		0
+#define ED_CHECKBUTTON_ID_GRAVITY		1
+#define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED	2
+#define ED_CHECKBUTTON_ID_STICK_ELEMENT		3
+#define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS	4
+#define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT	5
+#define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE	6
+#define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH	7
+#define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT	8
+#define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT	9
+#define ED_CHECKBUTTON_ID_CUSTOM_DEADLY		10
+#define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE	11
+#define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL	12
+#define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH	13
+#define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY	14
+#define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE	15
+#define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC	16
+#define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE	17
+#define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE	18
+#define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT	19
+#define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION	20
+#define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE	21
+#define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM	22
+#define ED_CHECKBUTTON_ID_CHANGE_DELAY		23
+#define ED_CHECKBUTTON_ID_CHANGE_BY_PLAYER	24
+#define ED_CHECKBUTTON_ID_CHANGE_BY_COLLISION	25
+#define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER	26
+
+#define ED_NUM_CHECKBUTTONS			27
+
+#define ED_CHECKBUTTON_ID_LEVEL_FIRST	ED_CHECKBUTTON_ID_DOUBLE_SPEED
+#define ED_CHECKBUTTON_ID_LEVEL_LAST	ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
+
+#define ED_CHECKBUTTON_ID_CUSTOM_FIRST	ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_RESULT
+#define ED_CHECKBUTTON_ID_CUSTOM_LAST	ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE
+
+#define ED_CHECKBUTTON_ID_CHANGE_FIRST	ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
+#define ED_CHECKBUTTON_ID_CHANGE_LAST	ED_CHECKBUTTON_ID_CHANGE_BY_OTHER
+
+/* values for radiobutton gadgets */
+#define ED_RADIOBUTTON_ID_PERCENTAGE	0
+#define ED_RADIOBUTTON_ID_QUANTITY	1
+
+#define ED_NUM_RADIOBUTTONS		2
+
+#define ED_RADIOBUTTON_ID_LEVEL_FIRST	ED_RADIOBUTTON_ID_PERCENTAGE
+#define ED_RADIOBUTTON_ID_LEVEL_LAST	ED_RADIOBUTTON_ID_QUANTITY
+
+
+/*
+  -----------------------------------------------------------------------------
+  some internally used definitions
+  -----------------------------------------------------------------------------
+*/
+
+/* values for CopyLevelToUndoBuffer() */
+#define UNDO_IMMEDIATE			0
+#define UNDO_ACCUMULATE			1
+
+/* values for scrollbars */
+#define ED_SCROLL_NO			0
+#define ED_SCROLL_LEFT			1
+#define ED_SCROLL_RIGHT			2
+#define ED_SCROLL_UP			4
+#define ED_SCROLL_DOWN			8
+
+/* screens in the level editor */
+#define ED_MODE_DRAWING			0
+#define ED_MODE_INFO			1
+#define ED_MODE_PROPERTIES		2
+
+/* sub-screens in the element properties section */
+#define ED_MODE_PROPERTIES_INFO		ED_TEXTBUTTON_ID_PROPERTIES_INFO
+#define ED_MODE_PROPERTIES_CONFIG	ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
+#define ED_MODE_PROPERTIES_ADVANCED	ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
+
+/* how many steps can be cancelled */
+#define NUM_UNDO_STEPS			(10 + 1)
+
+/* values for elements with score */
+#define MIN_SCORE			0
+#define MAX_SCORE			255
+
+/* values for elements with gem count */
+#define MIN_GEM_COUNT			0
+#define MAX_GEM_COUNT			100
+
+/* values for random placement */
+#define RANDOM_USE_PERCENTAGE		0
+#define RANDOM_USE_QUANTITY		1
+
+/* maximal size of level editor drawing area */
+#define MAX_ED_FIELDX		(2 * SCR_FIELDX)
+#define MAX_ED_FIELDY		(2 * SCR_FIELDY - 1)
+
 
 /*
-  EL_CHAR_A + ('D' - 'A'),
-  EL_CHAR_A + ('Y' - 'A'),
-  EL_CHAR_A + ('N' - 'A'),
-  EL_CHAR_A + ('A' - 'A'),
-
-  EL_CHAR_A + ('B' - 'A'),
-  EL_CHAR_A + ('L' - 'A'),
-  EL_CHAR_A + ('A' - 'A'),
-  EL_CHAR_A + ('S' - 'A'),
-
-  EL_CHAR_MINUS,
-  EL_CHAR_A + ('T' - 'A'),
-  EL_CHAR_A + ('E' - 'A'),
-  EL_CHAR_A + ('R' - 'A'),
+  -----------------------------------------------------------------------------
+  some internally used data structure definitions
+  -----------------------------------------------------------------------------
 */
 
-  EL_LEERRAUM,
-  EL_LEERRAUM,
-  EL_LEERRAUM,
-  EL_LEERRAUM,
-
-  EL_CHAR_AUSRUF,
-  EL_CHAR_ZOLL,
-  EL_CHAR_DOLLAR,
-  EL_CHAR_PROZ,
-
-  EL_CHAR_APOSTR,
-  EL_CHAR_KLAMM1,
-  EL_CHAR_KLAMM2,
-  EL_CHAR_PLUS,
-
-  EL_CHAR_KOMMA,
-  EL_CHAR_MINUS,
-  EL_CHAR_PUNKT,
-  EL_CHAR_SLASH,
-
-  EL_CHAR_0 + 0,
-  EL_CHAR_0 + 1,
-  EL_CHAR_0 + 2,
-  EL_CHAR_0 + 3,
-
-  EL_CHAR_0 + 4,
-  EL_CHAR_0 + 5,
-  EL_CHAR_0 + 6,
-  EL_CHAR_0 + 7,
-
-  EL_CHAR_0 + 8,
-  EL_CHAR_0 + 9,
-  EL_CHAR_DOPPEL,
-  EL_CHAR_SEMIKL,
-
-  EL_CHAR_LT,
-  EL_CHAR_GLEICH,
-  EL_CHAR_GT,
-  EL_CHAR_FRAGE,
-
-  EL_CHAR_AT,
-  EL_CHAR_A + 0,
-  EL_CHAR_A + 1,
-  EL_CHAR_A + 2,
-
-  EL_CHAR_A + 3,
-  EL_CHAR_A + 4,
-  EL_CHAR_A + 5,
-  EL_CHAR_A + 6,
-
-  EL_CHAR_A + 7,
-  EL_CHAR_A + 8,
-  EL_CHAR_A + 9,
-  EL_CHAR_A + 10,
-
-  EL_CHAR_A + 11,
-  EL_CHAR_A + 12,
-  EL_CHAR_A + 13,
-  EL_CHAR_A + 14,
-
-  EL_CHAR_A + 15,
-  EL_CHAR_A + 16,
-  EL_CHAR_A + 17,
-  EL_CHAR_A + 18,
-
-  EL_CHAR_A + 19,
-  EL_CHAR_A + 20,
-  EL_CHAR_A + 21,
-  EL_CHAR_A + 22,
-
-  EL_CHAR_A + 23,
-  EL_CHAR_A + 24,
-  EL_CHAR_A + 25,
-  EL_CHAR_AE,
-
-  EL_CHAR_OE,
-  EL_CHAR_UE,
-  EL_CHAR_COPY
+static struct
+{
+  char shortcut;
+  char *text;
+} control_info[ED_NUM_CTRL_BUTTONS] =
+{
+  { 's',	"draw single items"		},
+  { 'd',	"draw connected items"		},
+  { 'l',	"draw lines"			},
+  { 'a',	"draw arcs"			},
+  { 'r',	"draw outline rectangles"	},
+  { 'R',	"draw filled rectangles"	},
+  { '\0',	"wrap (rotate) level up"	},
+  { 't',	"enter text elements"		},
+  { 'f',	"flood fill"			},
+  { '\0',	"wrap (rotate) level left"	},
+  { '?',	"properties of drawing element"	},
+  { '\0',	"wrap (rotate) level right"	},
+  { '\0',	"random element placement"	},
+  { 'b',	"grab brush"			},
+  { '\0',	"wrap (rotate) level down"	},
+  { ',',	"pick drawing element"		},
+  { 'U',	"undo last operation"		},
+  { 'I',	"level properties"		},
+  { 'S',	"save level"			},
+  { 'C',	"clear level"			},
+  { 'T',	"test level"			},
+  { 'E',	"exit level editor"		}
 };
-int elements_in_list = sizeof(editor_element)/sizeof(int);
 
-void DrawLevelEd()
+static int random_placement_value = 10;
+static int random_placement_method = RANDOM_USE_QUANTITY;
+static int random_placement_background_element = EL_SAND;
+static boolean random_placement_background_restricted = FALSE;
+static boolean stick_element_properties_window = FALSE;
+static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
+static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
+static struct ElementInfo custom_element;
+
+static struct
+{
+  int x, y;
+  int min_value, max_value;
+  int gadget_id_down, gadget_id_up;
+  int gadget_id_text;
+  int *value;
+  char *text_above, *text_left, *text_right;
+} counterbutton_info[ED_NUM_COUNTERBUTTONS] =
+{
+  /* ---------- level and editor settings ---------------------------------- */
+
+  {
+    DX + 5 - SX,			DY + 3 - SY,
+    1,					100,
+    GADGET_ID_SELECT_LEVEL_DOWN,	GADGET_ID_SELECT_LEVEL_UP,
+    GADGET_ID_SELECT_LEVEL_TEXT,
+    &level_nr,
+    NULL,				NULL, NULL
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_COUNTER_YPOS(2),
+    MIN_LEV_FIELDX,			MAX_LEV_FIELDX,
+    GADGET_ID_LEVEL_XSIZE_DOWN,		GADGET_ID_LEVEL_XSIZE_UP,
+    GADGET_ID_LEVEL_XSIZE_TEXT,
+    &level.fieldx,
+    "playfield size",			NULL, "width",
+  },
+  {
+    ED_SETTINGS_XPOS(0) + 2 * DXSIZE,	ED_COUNTER_YPOS(2),
+    MIN_LEV_FIELDY,			MAX_LEV_FIELDY,
+    GADGET_ID_LEVEL_YSIZE_DOWN,		GADGET_ID_LEVEL_YSIZE_UP,
+    GADGET_ID_LEVEL_YSIZE_TEXT,
+    &level.fieldy,
+    NULL,				NULL, "height",
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_COUNTER_YPOS(3),
+    0,					999,
+    GADGET_ID_LEVEL_GEMSLIMIT_DOWN,	GADGET_ID_LEVEL_GEMSLIMIT_UP,
+    GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
+    &level.gems_needed,
+    "number of emeralds to collect",	NULL, NULL
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_COUNTER_YPOS(4),
+    0,					999,
+    GADGET_ID_LEVEL_TIMELIMIT_DOWN,	GADGET_ID_LEVEL_TIMELIMIT_UP,
+    GADGET_ID_LEVEL_TIMELIMIT_TEXT,
+    &level.time,
+    "time available to solve level",	NULL, "(0 => no time limit)"
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_COUNTER_YPOS(5),
+    0,					255,
+    GADGET_ID_LEVEL_TIMESCORE_DOWN,	GADGET_ID_LEVEL_TIMESCORE_UP,
+    GADGET_ID_LEVEL_TIMESCORE_TEXT,
+    &level.score[SC_TIME_BONUS],
+    "score for each 10 seconds left",	NULL, NULL
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_COUNTER2_YPOS(8),
+    1,					100,
+    GADGET_ID_LEVEL_RANDOM_DOWN,	GADGET_ID_LEVEL_RANDOM_UP,
+    GADGET_ID_LEVEL_RANDOM_TEXT,
+    &random_placement_value,
+    "random element placement",		NULL, "in"
+  },
+
+  /* ---------- element settings: configure (various elements) ------------- */
+
+  {
+    ED_SETTINGS_XPOS(0),		ED_SETTINGS_YPOS(0),
+    MIN_SCORE,				MAX_SCORE,
+    GADGET_ID_ELEMENT_SCORE_DOWN,	GADGET_ID_ELEMENT_SCORE_UP,
+    GADGET_ID_ELEMENT_SCORE_TEXT,
+    NULL,				/* will be set when used */
+    NULL,				NULL, NULL
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_SETTINGS_YPOS(6),
+    MIN_ELEMENT_CONTENTS,		MAX_ELEMENT_CONTENTS,
+    GADGET_ID_ELEMENT_CONTENT_DOWN,	GADGET_ID_ELEMENT_CONTENT_UP,
+    GADGET_ID_ELEMENT_CONTENT_TEXT,
+    &level.num_yamyam_contents,
+    NULL,				NULL, "number of content areas"
+  },
+
+  /* ---------- element settings: configure (custom elements) ------------- */
+
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(3),
+    MIN_SCORE,				MAX_SCORE,
+    GADGET_ID_CUSTOM_SCORE_DOWN,	GADGET_ID_CUSTOM_SCORE_UP,
+    GADGET_ID_CUSTOM_SCORE_TEXT,
+    &custom_element.score,
+    NULL,				"collect score", NULL
+  },
+  {
+    ED_SETTINGS_XPOS(13) + 10,		ED_SETTINGS_YPOS(3),
+    MIN_GEM_COUNT,			MAX_GEM_COUNT,
+    GADGET_ID_CUSTOM_GEMCOUNT_DOWN,	GADGET_ID_CUSTOM_GEMCOUNT_UP,
+    GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
+    &custom_element.gem_count,
+    NULL,				"gems", NULL
+  },
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(4),
+    0,					999,
+    GADGET_ID_PUSH_DELAY_FIX_DOWN,	GADGET_ID_PUSH_DELAY_FIX_UP,
+    GADGET_ID_PUSH_DELAY_FIX_TEXT,
+    &custom_element.push_delay_fixed,
+    NULL,				"push delay", NULL
+  },
+  {
+    ED_COUNT_PUSH_DELAY_RND_XPOS,	ED_SETTINGS_YPOS(4),
+    0,					999,
+    GADGET_ID_PUSH_DELAY_RND_DOWN,	GADGET_ID_PUSH_DELAY_RND_UP,
+    GADGET_ID_PUSH_DELAY_RND_TEXT,
+    &custom_element.push_delay_random,
+    NULL,				"+random", NULL
+  },
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(7),
+    0,					999,
+    GADGET_ID_MOVE_DELAY_FIX_DOWN,	GADGET_ID_MOVE_DELAY_FIX_UP,
+    GADGET_ID_MOVE_DELAY_FIX_TEXT,
+    &custom_element.move_delay_fixed,
+    NULL,				"move delay", NULL
+  },
+  {
+    ED_COUNT_MOVE_DELAY_RND_XPOS,	ED_SETTINGS_YPOS(7),
+    0,					999,
+    GADGET_ID_MOVE_DELAY_RND_DOWN,	GADGET_ID_MOVE_DELAY_RND_UP,
+    GADGET_ID_MOVE_DELAY_RND_TEXT,
+    &custom_element.move_delay_random,
+    NULL,				"+random", NULL
+  },
+
+  /* ---------- element settings: advanced (custom elements) --------------- */
+
+  {
+    ED_SETTINGS_XPOS(2),		ED_SETTINGS_YPOS(3),
+    0,					999,
+    GADGET_ID_CHANGE_DELAY_FIX_DOWN,	GADGET_ID_CHANGE_DELAY_FIX_UP,
+    GADGET_ID_CHANGE_DELAY_FIX_TEXT,
+    &custom_element.change.delay_fixed,
+    NULL,				"delay", NULL,
+  },
+  {
+    ED_COUNT_CHANGE_DELAY_RND_XPOS,	ED_SETTINGS_YPOS(3),
+    0,					999,
+    GADGET_ID_CHANGE_DELAY_RND_DOWN,	GADGET_ID_CHANGE_DELAY_RND_UP,
+    GADGET_ID_CHANGE_DELAY_RND_TEXT,
+    &custom_element.change.delay_random,
+    NULL,				"+random", NULL
+  },
+  {
+    ED_SETTINGS_XPOS(3),		ED_SETTINGS_YPOS(12),
+    0,					100,
+    GADGET_ID_CHANGE_CONT_RND_DOWN,	GADGET_ID_CHANGE_CONT_RND_UP,
+    GADGET_ID_CHANGE_CONT_RND_TEXT,
+    &custom_element.change.random,
+    NULL,				"use random change:", NULL
+  },
+};
+
+static struct
+{
+  int x, y;
+  int gadget_id;
+  int size;
+  char *value;
+  char *infotext;
+} textinput_info[ED_NUM_TEXTINPUT] =
+{
+  {
+    ED_SETTINGS_XPOS(0),		ED_COUNTER_YPOS(0),
+    GADGET_ID_LEVEL_NAME,
+    MAX_LEVEL_NAME_LEN,
+    level.name,
+    "Title"
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_COUNTER_YPOS(1),
+    GADGET_ID_LEVEL_AUTHOR,
+    MAX_LEVEL_AUTHOR_LEN,
+    level.author,
+    "Author"
+  }
+};
+
+static struct ValueTextInfo options_access_type[] =
+{
+  { EP_WALKABLE,		"walk"				},
+  { EP_PASSABLE,		"pass"				},
+  { -1,				NULL				}
+};
+
+static struct ValueTextInfo options_access_layer[] =
+{
+  { EP_ACCESSIBLE_OVER,		"over"				},
+  { EP_ACCESSIBLE_INSIDE,	"inside"			},
+  { EP_ACCESSIBLE_UNDER,	"under"				},
+  { -1,				NULL				}
+};
+
+static struct ValueTextInfo options_walk_to_action[] =
+{
+  { EP_DIGGABLE,		"diggable"			},
+  { EP_COLLECTIBLE,		"collectible"			},
+  { EP_PUSHABLE,		"pushable"			},
+  { -1,				NULL				}
+};
+
+static struct ValueTextInfo options_move_pattern[] =
+{
+  { MV_LEFT,			"left"				},
+  { MV_RIGHT,			"right"				},
+  { MV_UP,			"up"				},
+  { MV_DOWN,			"down"				},
+  { MV_HORIZONTAL,		"horizontal"			},
+  { MV_VERTICAL,		"vertical"			},
+  { MV_ALL_DIRECTIONS,		"all directions"		},
+  { MV_TOWARDS_PLAYER,		"towards player"		},
+  { MV_AWAY_FROM_PLAYER,	"away from player"		},
+  { MV_ALONG_LEFT_SIDE,		"along left side"		},
+  { MV_ALONG_RIGHT_SIDE,	"along right side"		},
+  { MV_TURNING_LEFT,		"turning left"			},
+  { MV_TURNING_RIGHT,		"turning right"			},
+  { -1,				NULL				}
+};
+
+static struct ValueTextInfo options_move_direction[] =
+{
+  { MV_NO_MOVING,		"automatic"			},
+  { MV_LEFT,			"left"				},
+  { MV_RIGHT,			"right"				},
+  { MV_UP,			"up"				},
+  { MV_DOWN,			"down"				},
+  { -1,				NULL				}
+};
+
+static struct ValueTextInfo options_move_stepsize[] =
+{
+  { 1,				"very slow"			},
+  { 2,				"slow"				},
+  { 4,				"normal"			},
+  { 8,				"fast"				},
+  { 16,				"very fast"			},
+  { -1,				NULL				}
+};
+
+static struct ValueTextInfo options_smash_targets[] =
+{
+  { EP_CAN_SMASH_PLAYER,	"player"			},
+  { EP_CAN_SMASH_ENEMIES,	"enemies"			},
+  { EP_CAN_SMASH_EVERYTHING,	"everything"			},
+  { -1,				NULL				}
+};
+
+static struct ValueTextInfo options_deadliness[] =
+{
+  { EP_DONT_RUN_INTO,		"running into"			},
+  { EP_DONT_COLLIDE_WITH,	"colliding with"		},
+  { EP_DONT_TOUCH,		"touching"			},
+  { -1,				NULL				}
+};
+
+static struct ValueTextInfo options_consistency[] =
+{
+  { EP_CAN_EXPLODE,		"can explode"			},
+  { EP_INDESTRUCTIBLE,		"indestructible"		},
+  { -1,				NULL				}
+};
+
+static struct ValueTextInfo options_time_units[] =
+{
+  { 50,				"seconds"			},
+  { 1,				"frames"			},
+  { -1,				NULL				}
+};
+
+static struct ValueTextInfo options_change_player_action[] =
+{
+  { CE_TOUCHED_BY_PLAYER,	"touched"			},
+  { CE_PRESSED_BY_PLAYER,	"pressed"			},
+  { CE_PUSHED_BY_PLAYER,	"pushed"			},
+  { -1,				NULL				}
+};
+
+static struct ValueTextInfo options_change_collide_action[] =
+{
+  { CE_COLLISION,		"on collision"			},
+  { CE_IMPACT,			"on impact"			},
+  { CE_SMASHED,			"when smashed"			},
+  { -1,				NULL				}
+};
+
+static struct ValueTextInfo options_change_other_action[] =
+{
+  { CE_OTHER_IS_TOUCHING,		"touching"			},
+  { CE_OTHER_IS_CHANGING,		"change of"			},
+  { CE_OTHER_IS_EXPLODING,		"explosion of"			},
+  { CE_OTHER_GETS_TOUCHED,		"player touches"		},
+  { CE_OTHER_GETS_PRESSED,		"player presses"		},
+  { CE_OTHER_GETS_PUSHED,		"player pushes"			},
+  { CE_OTHER_GETS_COLLECTED,		"player collects"		},
+  { -1,				NULL					}
+};
+
+static struct ValueTextInfo options_change_power[] =
+{
+  { CP_NON_DESTRUCTIVE,		"non-destructive"		},
+  { CP_HALF_DESTRUCTIVE,	"half-destructive"		},
+  { CP_FULL_DESTRUCTIVE,	"full-destructive"		},
+  { -1,				NULL				}
+};
+
+static struct
+{
+  int x, y;
+  int gadget_id;
+  int size;	/* char size of selectbox or '-1' (dynamically determined) */
+  struct ValueTextInfo *options;
+  int *value;
+  char *text_left, *text_right, *infotext;
+} selectbox_info[ED_NUM_SELECTBOX] =
+{
+  /* ---------- element settings: configure (custom elements) ------------- */
+
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(1),
+    GADGET_ID_CUSTOM_ACCESS_TYPE,
+    -1,
+    options_access_type,
+    &custom_element.access_type,
+    "player can", NULL, "type of access to this field"
+  },
+  {
+    ED_SETTINGS_XPOS(11),		ED_SETTINGS_YPOS(1),
+    GADGET_ID_CUSTOM_ACCESS_LAYER,
+    -1,
+    options_access_layer,
+    &custom_element.access_layer,
+    NULL, NULL, "layer of access for this field"
+  },
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(2),
+    GADGET_ID_CUSTOM_WALK_TO_ACTION,
+    -1,
+    options_walk_to_action,
+    &custom_element.walk_to_action,
+    NULL, NULL, "diggable/collectible/pushable"
+  },
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(5),
+    GADGET_ID_CUSTOM_MOVE_PATTERN,
+    -1,
+    options_move_pattern,
+    &custom_element.move_pattern,
+    "can move", NULL, "element move direction"
+  },
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(6),
+    GADGET_ID_CUSTOM_MOVE_DIRECTION,
+    -1,
+    options_move_direction,
+    &custom_element.move_direction_initial,
+    "starts moving", NULL, "initial element move direction"
+  },
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(8),
+    GADGET_ID_CUSTOM_MOVE_STEPSIZE,
+    -1,
+    options_move_stepsize,
+    &custom_element.move_stepsize,
+    "move/fall speed", NULL, "speed of element movement"
+  },
+  {
+    ED_SETTINGS_XPOS(7),		ED_SETTINGS_YPOS(9),
+    GADGET_ID_CUSTOM_SMASH_TARGETS,
+    -1,
+    options_smash_targets,
+    &custom_element.smash_targets,
+    "can smash", NULL, "elements that can be smashed"
+  },
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(11),
+    GADGET_ID_CUSTOM_DEADLINESS,
+    -1,
+    options_deadliness,
+    &custom_element.deadliness,
+    "deadly when", NULL, "deadliness of element"
+  },
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(12),
+    GADGET_ID_CUSTOM_CONSISTENCY,
+    -1,
+    options_consistency,
+    &custom_element.consistency,
+    NULL, "explodes to:", "consistency/destructibility"
+  },
+
+  /* ---------- element settings: advanced (custom elements) --------------- */
+
+  {
+    ED_SETTINGS_XPOS(2),		ED_SETTINGS_YPOS(4),
+    GADGET_ID_CHANGE_TIME_UNITS,
+    -1,
+    options_time_units,
+    &custom_element.change.delay_frames,
+    "delay time given in", NULL, "delay time units for change"
+  },
+  {
+    ED_SETTINGS_XPOS(2),		ED_SETTINGS_YPOS(5),
+    GADGET_ID_CHANGE_PLAYER_ACTION,
+    -1,
+    options_change_player_action,
+    &custom_element.change_player_action,
+    NULL, "by player", "type of player contact"
+  },
+  {
+    ED_SETTINGS_XPOS(2),		ED_SETTINGS_YPOS(6),
+    GADGET_ID_CHANGE_COLLIDE_ACTION,
+    -1,
+    options_change_collide_action,
+    &custom_element.change_collide_action,
+    NULL, NULL, "change after impact or smash"
+  },
+  {
+    ED_SETTINGS_XPOS(2),		ED_SETTINGS_YPOS(7),
+    GADGET_ID_CHANGE_OTHER_ACTION,
+    -1,
+    options_change_other_action,
+    &custom_element.change_other_action,
+    NULL, "element:", "type of other element action"
+  },
+  {
+    ED_SETTINGS_XPOS(2),		ED_SETTINGS_YPOS(10),
+    GADGET_ID_CHANGE_POWER,
+    -1,
+    options_change_power,
+    &custom_element.change.power,
+    "power:", NULL, "power of extended change"
+  },
+};
+
+static struct
+{
+  int x, y;
+  int gadget_id;
+  int size;
+  char *text, *infotext;
+} textbutton_info[ED_NUM_TEXTBUTTON] =
+{
+  {
+    ED_SETTINGS_XPOS(0),		ED_COUNTER_YPOS(1),
+    GADGET_ID_PROPERTIES_INFO,
+    11, "Information",			"Show information about element"
+  },
+  {
+    ED_SETTINGS_XPOS(0) + 166,		ED_COUNTER_YPOS(1),
+    GADGET_ID_PROPERTIES_CONFIG,
+    11, "Configure",			"Configure element properties"
+  },
+  {
+    ED_SETTINGS_XPOS(0) + 332,		ED_COUNTER_YPOS(1),
+    GADGET_ID_PROPERTIES_ADVANCED,
+    11, "Advanced",			"Advanced element configuration"
+  },
+  {
+    ED_SETTINGS_XPOS(0) + 262,		ED_SETTINGS_YPOS(13),
+    GADGET_ID_SAVE_AS_TEMPLATE,
+    -1, "Save as template",		"Save current settings as new template"
+  },
+};
+
+static struct
+{
+  int gd_x, gd_y;
+  int x, y;
+  int gadget_id;
+  char *infotext;
+} scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
+{
+  {
+    ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 0 * ED_SCROLLBUTTON_YSIZE,
+    ED_SCROLL_UP_XPOS,      ED_SCROLL_UP_YPOS,
+    GADGET_ID_SCROLL_UP,
+    "scroll level editing area up"
+  },
+  {
+    ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 1 * ED_SCROLLBUTTON_YSIZE,
+    ED_SCROLL_DOWN_XPOS,    ED_SCROLL_DOWN_YPOS,
+    GADGET_ID_SCROLL_DOWN,
+    "scroll level editing area down"
+  },
+  {
+    ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 2 * ED_SCROLLBUTTON_YSIZE,
+    ED_SCROLL_LEFT_XPOS,    ED_SCROLL_LEFT_YPOS,
+    GADGET_ID_SCROLL_LEFT,
+    "scroll level editing area left"
+  },
+  {
+    ED_SCROLLBUTTON_XPOS,   ED_SCROLLBUTTON_YPOS + 3 * ED_SCROLLBUTTON_YSIZE,
+    ED_SCROLL_RIGHT_XPOS,   ED_SCROLL_RIGHT_YPOS,
+    GADGET_ID_SCROLL_RIGHT,
+    "scroll level editing area right"
+  },
+  {
+    ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 0 * ED_SCROLLBUTTON2_YSIZE,
+    ED_SCROLL2_UP_XPOS,     ED_SCROLL2_UP_YPOS,
+    GADGET_ID_SCROLL_LIST_UP,
+    "scroll element list up ('Page Up')"
+  },
+  {
+    ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
+    ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
+    GADGET_ID_SCROLL_LIST_DOWN,
+    "scroll element list down ('Page Down')"
+  }
+};
+
+static struct
+{
+  int gd_x, gd_y;
+  int x, y;
+  int width, height;
+  int type;
+  int gadget_id;
+  char *infotext;
+} scrollbar_info[ED_NUM_SCROLLBARS] =
+{
+  {
+    ED_SCROLLBAR_XPOS,			ED_SCROLLBAR_YPOS,
+    SX + ED_SCROLL_HORIZONTAL_XPOS,	SY + ED_SCROLL_HORIZONTAL_YPOS,
+    ED_SCROLL_HORIZONTAL_XSIZE,		ED_SCROLL_HORIZONTAL_YSIZE,
+    GD_TYPE_SCROLLBAR_HORIZONTAL,
+    GADGET_ID_SCROLL_HORIZONTAL,
+    "scroll level editing area horizontally"
+  },
+  {
+    ED_SCROLLBAR_XPOS,			ED_SCROLLBAR_YPOS,
+    SX + ED_SCROLL_VERTICAL_XPOS,	SY + ED_SCROLL_VERTICAL_YPOS,
+    ED_SCROLL_VERTICAL_XSIZE,		ED_SCROLL_VERTICAL_YSIZE,
+    GD_TYPE_SCROLLBAR_VERTICAL,
+    GADGET_ID_SCROLL_VERTICAL,
+    "scroll level editing area vertically"
+  },
+  {
+    ED_SCROLLBAR2_XPOS,			ED_SCROLLBAR2_YPOS,
+    DX + ED_SCROLL2_VERTICAL_XPOS,	DY + ED_SCROLL2_VERTICAL_YPOS,
+    ED_SCROLL2_VERTICAL_XSIZE,		ED_SCROLL2_VERTICAL_YSIZE,
+    GD_TYPE_SCROLLBAR_VERTICAL,
+    GADGET_ID_SCROLL_LIST_VERTICAL,
+    "scroll element list vertically"
+  }
+};
+
+static struct
+{
+  int x, y;
+  int gadget_id;
+  int radio_button_nr;
+  int *value;
+  int checked_value;
+  char *text_right, *infotext;
+} radiobutton_info[ED_NUM_RADIOBUTTONS] =
+{
+  {
+    ED_SETTINGS_XPOS(0) + 160,		ED_COUNTER2_YPOS(8),
+    GADGET_ID_RANDOM_PERCENTAGE,
+    RADIO_NR_RANDOM_ELEMENTS,
+    &random_placement_method,		RANDOM_USE_PERCENTAGE,
+    "percentage",			"use percentage for random elements"
+  },
+  {
+    ED_SETTINGS_XPOS(0) + 340,		ED_COUNTER2_YPOS(8),
+    GADGET_ID_RANDOM_QUANTITY,
+    RADIO_NR_RANDOM_ELEMENTS,
+    &random_placement_method,		RANDOM_USE_QUANTITY,
+    "quantity",				"use quantity for random elements"
+  }
+};
+
+static struct
+{
+  int x, y;
+  int gadget_id;
+  boolean *value;
+  char *text_right, *infotext;
+} checkbutton_info[ED_NUM_CHECKBUTTONS] =
+{
+  /* ---------- level and editor settings ---------------------------------- */
+
+  {
+    ED_SETTINGS_XPOS(0),		ED_COUNTER_YPOS(6) - MINI_TILEY,
+    GADGET_ID_DOUBLE_SPEED,
+    &level.double_speed,
+    "double speed movement",		"set movement speed of player"
+  },
+  {
+    ED_SETTINGS_XPOS(0) + 340,		ED_COUNTER_YPOS(6) - MINI_TILEY,
+    GADGET_ID_GRAVITY,
+    &level.gravity,
+    "gravity",				"set level gravity"
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_COUNTER2_YPOS(9) - MINI_TILEY,
+    GADGET_ID_RANDOM_RESTRICTED,
+    &random_placement_background_restricted,
+    "restrict random placement to",	"set random placement restriction"
+  },
+
+  /* ---------- element settings: configure (various elements) ------------- */
+
+  {
+    ED_SETTINGS_XPOS(0),		0,	/* set at runtime */
+    GADGET_ID_STICK_ELEMENT,
+    &stick_element_properties_window,
+    "stick this screen to edit content","stick this screen to edit content"
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_COUNTER_YPOS(4),
+    GADGET_ID_EM_SLIPPERY_GEMS,
+    &level.em_slippery_gems,
+    "slip down from certain flat walls","use EM style slipping behaviour"
+  },
+
+  /* ---------- element settings: configure (custom elements) ------------- */
+
+  {
+    ED_SETTINGS_XPOS(0),		ED_SETTINGS_YPOS(1),
+    GADGET_ID_CUSTOM_ACCESSIBLE,
+    &custom_element_properties[EP_ACCESSIBLE],
+    NULL,				"player can walk to or pass this field"
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_SETTINGS_YPOS(2),
+    GADGET_ID_CUSTOM_WALK_TO_OBJECT,
+    &custom_element_properties[EP_WALK_TO_OBJECT],
+    NULL,				"player can dig/collect/push element"
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_SETTINGS_YPOS(5),
+    GADGET_ID_CUSTOM_CAN_MOVE,
+    &custom_element_properties[EP_CAN_MOVE],
+    NULL,				"element can move in some direction"
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_SETTINGS_YPOS(9),
+    GADGET_ID_CUSTOM_CAN_FALL,
+    &custom_element_properties[EP_CAN_FALL],
+    "can fall",				"element can fall down"
+  },
+  {
+    ED_SETTINGS_XPOS(6),		ED_SETTINGS_YPOS(9),
+    GADGET_ID_CUSTOM_CAN_SMASH,
+    &custom_element_properties[EP_CAN_SMASH],
+    NULL,				"element can smash other elements"
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_SETTINGS_YPOS(10),
+    GADGET_ID_CUSTOM_SLIPPERY,
+    &custom_element_properties[EP_SLIPPERY],
+    "slippery",				"other elements can fall down from it"
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_SETTINGS_YPOS(11),
+    GADGET_ID_CUSTOM_DEADLY,
+    &custom_element_properties[EP_DEADLY],
+    NULL,				"element can kill the player"
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_SETTINGS_YPOS(12),
+    GADGET_ID_CUSTOM_EXPLODE_RESULT,
+    &custom_element_properties[EP_EXPLODE_RESULT],
+    NULL,				"set consistency/destructibility"
+  },
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(13),
+    GADGET_ID_CUSTOM_EXPLODE_FIRE,
+    &custom_element.can_explode_by_fire,
+    "by fire",				"element can explode by fire/explosion"
+  },
+  {
+    ED_SETTINGS_XPOS(7),		ED_SETTINGS_YPOS(13),
+    GADGET_ID_CUSTOM_EXPLODE_SMASH,
+    &custom_element.can_explode_smashed,
+    "smashed",				"element can explode when smashed"
+  },
+  {
+    ED_SETTINGS_XPOS(13),		ED_SETTINGS_YPOS(13),
+    GADGET_ID_CUSTOM_EXPLODE_IMPACT,
+    &custom_element.can_explode_impact,
+    "impact",				"element can explode on impact"
+  },
+
+  /* ---------- element settings: advanced (custom elements) --------------- */
+
+  {
+    ED_SETTINGS_XPOS(0),		ED_SETTINGS_YPOS(1),
+    GADGET_ID_CUSTOM_USE_GRAPHIC,
+    &custom_element.use_gfx_element,
+    "use graphic of element:",		"use graphic for custom element"
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_SETTINGS_YPOS(2),
+    GADGET_ID_CUSTOM_CAN_CHANGE,
+    &custom_element_properties[EP_CAN_CHANGE],
+    "element changes to    after/when:","element can change to other element"
+  },
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(3),
+    GADGET_ID_CHANGE_DELAY,
+    &custom_element_change_events[CE_DELAY],
+    NULL,				"element changes after delay"
+  },
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(5),
+    GADGET_ID_CHANGE_BY_PLAYER,
+    &custom_element_change_events[CE_BY_PLAYER],
+    NULL,				"element changes by player contact"
+  },
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(6),
+    GADGET_ID_CHANGE_BY_COLLISION,
+    &custom_element_change_events[CE_BY_COLLISION],
+    NULL,				"element changes by impact or smash"
+  },
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(7),
+    GADGET_ID_CHANGE_BY_OTHER,
+    &custom_element_change_events[CE_BY_OTHER],
+    NULL,				"element changes by other element"
+  },
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(8),
+    GADGET_ID_CHANGE_USE_EXPLOSION,
+    &custom_element.change.explode,
+    "explode instead of change",	"element explodes instead of change"
+  },
+  {
+    ED_SETTINGS_XPOS(1),		ED_SETTINGS_YPOS(9),
+    GADGET_ID_CHANGE_USE_CONTENT,
+    &custom_element.change.use_content,
+    "use extended change target:",	"element changes to more elements"
+  },
+  {
+    ED_SETTINGS_XPOS(2),		ED_SETTINGS_YPOS(11),
+    GADGET_ID_CHANGE_ONLY_COMPLETE,
+    &custom_element.change.only_complete,
+    "only use complete change",		"only use complete extended content"
+  },
+  {
+    ED_SETTINGS_XPOS(2),		ED_SETTINGS_YPOS(12),
+    GADGET_ID_CHANGE_USE_RANDOM,
+    &custom_element.change.use_random_change,
+    NULL,				"use random value for new content"
+  },
+  {
+    ED_SETTINGS_XPOS(0),		ED_SETTINGS_YPOS(13),
+    GADGET_ID_CUSTOM_USE_TEMPLATE,
+    &level.use_custom_template,
+    "use template",			"use template for custom properties"
+  },
+};
+
+
+/*
+  -----------------------------------------------------------------------------
+  some internally used variables
+  -----------------------------------------------------------------------------
+*/
+
+/* actual size of level editor drawing area */
+static int ed_fieldx = MAX_ED_FIELDX - 1, ed_fieldy = MAX_ED_FIELDY - 1;
+
+/* actual position of level editor drawing area in level playfield */
+static int level_xpos = -1, level_ypos = -1;
+
+#define IN_ED_FIELD(x,y)  ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
+
+/* drawing elements on the three mouse buttons */
+static int new_element1 = EL_WALL;
+static int new_element2 = EL_EMPTY;
+static int new_element3 = EL_SAND;
+
+#define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
+				(button) == 2 ? new_element2 : \
+				(button) == 3 ? new_element3 : EL_EMPTY)
+#define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
+
+/* forward declaration for internal use */
+static void ModifyEditorCounter(int, int);
+static void ModifyEditorCounterLimits(int, int, int);
+static void ModifyEditorSelectbox(int, int);
+static void ModifyEditorElementList();
+static void DrawDrawingWindow();
+static void DrawLevelInfoWindow();
+static void DrawPropertiesWindow();
+static boolean checkPropertiesConfig();
+static void CopyLevelToUndoBuffer(int);
+static void HandleDrawingAreas(struct GadgetInfo *);
+static void HandleCounterButtons(struct GadgetInfo *);
+static void HandleTextInputGadgets(struct GadgetInfo *);
+static void HandleSelectboxGadgets(struct GadgetInfo *);
+static void HandleTextbuttonGadgets(struct GadgetInfo *);
+static void HandleRadiobuttons(struct GadgetInfo *);
+static void HandleCheckbuttons(struct GadgetInfo *);
+static void HandleControlButtons(struct GadgetInfo *);
+static void HandleDrawingAreaInfo(struct GadgetInfo *);
+
+static struct GadgetInfo *level_editor_gadget[NUM_EDITOR_GADGETS];
+
+static int drawing_function = GADGET_ID_SINGLE_ITEMS;
+static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
+static boolean draw_with_brush = FALSE;
+static int properties_element = 0;
+
+static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
+static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
+static int undo_buffer_position = 0;
+static int undo_buffer_steps = 0;
+
+static int edit_mode;
+static int edit_mode_properties;
+
+static int element_shift = 0;
+
+static int editor_el_boulderdash[] =
+{
+  EL_CHAR('B'),
+  EL_CHAR('O'),
+  EL_CHAR('U'),
+  EL_CHAR('L'),
+
+  EL_CHAR('-'),
+  EL_CHAR('D'),
+  EL_CHAR('E'),
+  EL_CHAR('R'),
+
+  EL_CHAR('D'),
+  EL_CHAR('A'),
+  EL_CHAR('S'),
+  EL_CHAR('H'),
+
+  EL_PLAYER_1,
+  EL_EMPTY,
+  EL_SAND,
+  EL_STEELWALL,
+
+  EL_BD_WALL,
+  EL_BD_MAGIC_WALL,
+  EL_EXIT_CLOSED,
+  EL_EXIT_OPEN,
+
+  EL_BD_DIAMOND,
+  EL_BD_BUTTERFLY_UP,
+  EL_BD_FIREFLY_UP,
+  EL_BD_ROCK,
+
+  EL_BD_BUTTERFLY_LEFT,
+  EL_BD_FIREFLY_LEFT,
+  EL_BD_BUTTERFLY_RIGHT,
+  EL_BD_FIREFLY_RIGHT,
+
+  EL_BD_AMOEBA,
+  EL_BD_BUTTERFLY_DOWN,
+  EL_BD_FIREFLY_DOWN,
+  EL_EMPTY,
+};
+static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
+
+static int editor_el_emerald_mine[] =
+{
+  EL_CHAR('E'),
+  EL_CHAR('M'),
+  EL_CHAR('E'),
+  EL_CHAR('-'),
+
+  EL_CHAR('R'),
+  EL_CHAR('A'),
+  EL_CHAR('L'),
+  EL_CHAR('D'),
+
+  EL_CHAR('M'),
+  EL_CHAR('I'),
+  EL_CHAR('N'),
+  EL_CHAR('E'),
+
+  EL_PLAYER_1,
+  EL_PLAYER_2,
+  EL_PLAYER_3,
+  EL_PLAYER_4,
+
+  EL_PLAYER_1,
+  EL_EMPTY,
+  EL_SAND,
+  EL_ROCK,
+
+  EL_STEELWALL,
+  EL_WALL,
+  EL_WALL_CRUMBLED,
+  EL_MAGIC_WALL,
+
+  EL_EMERALD,
+  EL_DIAMOND,
+  EL_NUT,
+  EL_BOMB,
+
+  EL_WALL_EMERALD,
+  EL_WALL_DIAMOND,
+  EL_QUICKSAND_EMPTY,
+  EL_QUICKSAND_FULL,
+
+  EL_DYNAMITE,
+  EL_DYNAMITE_ACTIVE,
+  EL_EXIT_CLOSED,
+  EL_EXIT_OPEN,
+
+  EL_YAMYAM,
+  EL_BUG_UP,
+  EL_SPACESHIP_UP,
+  EL_ROBOT,
+
+  EL_BUG_LEFT,
+  EL_SPACESHIP_LEFT,
+  EL_BUG_RIGHT,
+  EL_SPACESHIP_RIGHT,
+
+  EL_ROBOT_WHEEL,
+  EL_BUG_DOWN,
+  EL_SPACESHIP_DOWN,
+  EL_INVISIBLE_WALL,
+
+  EL_ACID_POOL_TOPLEFT,
+  EL_ACID,
+  EL_ACID_POOL_TOPRIGHT,
+  EL_EMPTY,
+
+  EL_ACID_POOL_BOTTOMLEFT,
+  EL_ACID_POOL_BOTTOM,
+  EL_ACID_POOL_BOTTOMRIGHT,
+  EL_EMPTY,
+
+  EL_AMOEBA_DROP,
+  EL_AMOEBA_DEAD,
+  EL_AMOEBA_WET,
+  EL_AMOEBA_DRY,
+
+  EL_EM_KEY_1_FILE,
+  EL_EM_KEY_2_FILE,
+  EL_EM_KEY_3_FILE,
+  EL_EM_KEY_4_FILE,
+
+  EL_EM_GATE_1,
+  EL_EM_GATE_2,
+  EL_EM_GATE_3,
+  EL_EM_GATE_4,
+
+  EL_EM_GATE_1_GRAY,
+  EL_EM_GATE_2_GRAY,
+  EL_EM_GATE_3_GRAY,
+  EL_EM_GATE_4_GRAY,
+};
+static int num_editor_el_emerald_mine = SIZEOF_ARRAY_INT(editor_el_emerald_mine);
+
+static int editor_el_more[] =
+{
+  EL_CHAR('M'),
+  EL_CHAR('O'),
+  EL_CHAR('R'),
+  EL_CHAR('E'),
+
+  EL_KEY_1,
+  EL_KEY_2,
+  EL_KEY_3,
+  EL_KEY_4,
+
+  EL_GATE_1,
+  EL_GATE_2,
+  EL_GATE_3,
+  EL_GATE_4,
+
+  EL_GATE_1_GRAY,
+  EL_GATE_2_GRAY,
+  EL_GATE_3_GRAY,
+  EL_GATE_4_GRAY,
+
+  EL_ARROW_LEFT,
+  EL_ARROW_RIGHT,
+  EL_ARROW_UP,
+  EL_ARROW_DOWN,
+
+  EL_AMOEBA_FULL,
+  EL_EMERALD_YELLOW,
+  EL_EMERALD_RED,
+  EL_EMERALD_PURPLE,
+
+  EL_WALL_BD_DIAMOND,
+  EL_WALL_EMERALD_YELLOW,
+  EL_WALL_EMERALD_RED,
+  EL_WALL_EMERALD_PURPLE,
+
+  EL_GAME_OF_LIFE,
+  EL_PACMAN_UP,
+  EL_TIME_ORB_FULL,
+  EL_TIME_ORB_EMPTY,
+
+  EL_PACMAN_LEFT,
+  EL_DARK_YAMYAM,
+  EL_PACMAN_RIGHT,
+  EL_EXPANDABLE_WALL,
+
+  EL_BIOMAZE,
+  EL_PACMAN_DOWN,
+  EL_LAMP,
+  EL_LAMP_ACTIVE,
+
+  EL_DYNABOMB_INCREASE_NUMBER,
+  EL_DYNABOMB_INCREASE_SIZE,
+  EL_DYNABOMB_INCREASE_POWER,
+  EL_STONEBLOCK,
+
+  EL_MOLE,
+  EL_PENGUIN,
+  EL_PIG,
+  EL_DRAGON,
+
+  EL_EMPTY,
+  EL_MOLE_UP,
+  EL_EMPTY,
+  EL_EMPTY,
+
+  EL_MOLE_LEFT,
+  EL_EMPTY,
+  EL_MOLE_RIGHT,
+  EL_EMPTY,
+
+  EL_EMPTY,
+  EL_MOLE_DOWN,
+  EL_BALLOON,
+  EL_BALLOON_SWITCH_ANY,
+
+  EL_BALLOON_SWITCH_LEFT,
+  EL_BALLOON_SWITCH_RIGHT,
+  EL_BALLOON_SWITCH_UP,
+  EL_BALLOON_SWITCH_DOWN,
+
+  EL_SATELLITE,
+  EL_EXPANDABLE_WALL_HORIZONTAL,
+  EL_EXPANDABLE_WALL_VERTICAL,
+  EL_EXPANDABLE_WALL_ANY,
+
+  EL_INVISIBLE_STEELWALL,
+  EL_INVISIBLE_WALL,
+  EL_SPEED_PILL,
+  EL_BLACK_ORB,
+
+  EL_EMC_STEELWALL_1,
+  EL_EMC_WALL_1,
+  EL_EMC_WALL_2,
+  EL_EMC_WALL_3,
+
+  EL_EMC_WALL_4,
+  EL_EMC_WALL_5,
+  EL_EMC_WALL_6,
+  EL_EMC_WALL_7,
+};
+static int num_editor_el_more = SIZEOF_ARRAY_INT(editor_el_more);
+
+static int editor_el_sokoban[] =
+{
+  EL_CHAR('S'),
+  EL_CHAR('O'),
+  EL_CHAR('K'),
+  EL_CHAR('O'),
+
+  EL_CHAR('-'),
+  EL_CHAR('B'),
+  EL_CHAR('A'),
+  EL_CHAR('N'),
+
+  EL_SOKOBAN_OBJECT,
+  EL_SOKOBAN_FIELD_EMPTY,
+  EL_SOKOBAN_FIELD_FULL,
+  EL_STEELWALL,
+};
+static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
+
+static int editor_el_supaplex[] =
+{
+  EL_CHAR('S'),
+  EL_CHAR('U'),
+  EL_CHAR('P'),
+  EL_CHAR('A'),
+
+  EL_CHAR('P'),
+  EL_CHAR('L'),
+  EL_CHAR('E'),
+  EL_CHAR('X'),
+
+  EL_SP_EMPTY,
+  EL_SP_ZONK,
+  EL_SP_BASE,
+  EL_SP_MURPHY,
+
+  EL_SP_INFOTRON,
+  EL_SP_CHIP_SINGLE,
+  EL_SP_HARDWARE_GRAY,
+  EL_SP_EXIT_CLOSED,
+
+  EL_SP_DISK_ORANGE,
+  EL_SP_PORT_RIGHT,
+  EL_SP_PORT_DOWN,
+  EL_SP_PORT_LEFT,
+
+  EL_SP_PORT_UP,
+  EL_SP_GRAVITY_PORT_RIGHT,
+  EL_SP_GRAVITY_PORT_DOWN,
+  EL_SP_GRAVITY_PORT_LEFT,
+
+  EL_SP_GRAVITY_PORT_UP,
+  EL_SP_SNIKSNAK,
+  EL_SP_DISK_YELLOW,
+  EL_SP_TERMINAL,
+
+  EL_SP_DISK_RED,
+  EL_SP_PORT_VERTICAL,
+  EL_SP_PORT_HORIZONTAL,
+  EL_SP_PORT_ANY,
+
+  EL_SP_ELECTRON,
+  EL_SP_BUGGY_BASE,
+  EL_SP_CHIP_LEFT,
+  EL_SP_CHIP_RIGHT,
+
+  EL_SP_HARDWARE_BASE_1,
+  EL_SP_HARDWARE_GREEN,
+  EL_SP_HARDWARE_BLUE,
+  EL_SP_HARDWARE_RED,
+
+  EL_SP_HARDWARE_YELLOW,
+  EL_SP_HARDWARE_BASE_2,
+  EL_SP_HARDWARE_BASE_3,
+  EL_SP_HARDWARE_BASE_4,
+
+  EL_SP_HARDWARE_BASE_5,
+  EL_SP_HARDWARE_BASE_6,
+  EL_SP_CHIP_TOP,
+  EL_SP_CHIP_BOTTOM,
+};
+static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
+
+static int editor_el_diamond_caves[] =
+{
+  EL_CHAR('D'),
+  EL_CHAR('I'),
+  EL_CHAR('A'),
+  EL_CHAR('-'),
+
+  EL_CHAR('M'),
+  EL_CHAR('O'),
+  EL_CHAR('N'),
+  EL_CHAR('D'),
+
+  EL_CHAR('C'),
+  EL_CHAR('A'),
+  EL_CHAR('V'),
+  EL_CHAR('E'),
+
+  EL_CHAR('S'),
+  EL_CHAR(' '),
+  EL_CHAR('I'),
+  EL_CHAR('I'),
+
+  EL_PEARL,
+  EL_CRYSTAL,
+  EL_WALL_PEARL,
+  EL_WALL_CRYSTAL,
+
+  EL_CONVEYOR_BELT_1_LEFT,
+  EL_CONVEYOR_BELT_1_MIDDLE,
+  EL_CONVEYOR_BELT_1_RIGHT,
+  EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
+
+  EL_CONVEYOR_BELT_2_LEFT,
+  EL_CONVEYOR_BELT_2_MIDDLE,
+  EL_CONVEYOR_BELT_2_RIGHT,
+  EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
+
+  EL_CONVEYOR_BELT_3_LEFT,
+  EL_CONVEYOR_BELT_3_MIDDLE,
+  EL_CONVEYOR_BELT_3_RIGHT,
+  EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
+
+  EL_CONVEYOR_BELT_4_LEFT,
+  EL_CONVEYOR_BELT_4_MIDDLE,
+  EL_CONVEYOR_BELT_4_RIGHT,
+  EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
+
+  EL_CONVEYOR_BELT_1_SWITCH_LEFT,
+  EL_CONVEYOR_BELT_2_SWITCH_LEFT,
+  EL_CONVEYOR_BELT_3_SWITCH_LEFT,
+  EL_CONVEYOR_BELT_4_SWITCH_LEFT,
+
+  EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
+  EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
+  EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
+  EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
+
+  EL_SWITCHGATE_OPEN,
+  EL_SWITCHGATE_CLOSED,
+  EL_SWITCHGATE_SWITCH_UP,
+  EL_ENVELOPE,
+
+  EL_TIMEGATE_CLOSED,
+  EL_TIMEGATE_OPEN,
+  EL_TIMEGATE_SWITCH,
+  EL_EMPTY,
+
+  EL_LANDMINE,
+  EL_INVISIBLE_SAND,
+  EL_STEELWALL_SLANTED,
+  EL_EMPTY,
+
+  EL_SIGN_EXCLAMATION,
+  EL_SIGN_STOP,
+  EL_LIGHT_SWITCH,
+  EL_LIGHT_SWITCH_ACTIVE,
+
+  EL_SHIELD_NORMAL,
+  EL_SHIELD_DEADLY,
+  EL_EXTRA_TIME,
+  EL_EMPTY,
+};
+static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
+
+static int editor_el_dx_boulderdash[] =
+{
+  EL_CHAR('D'),
+  EL_CHAR('X'),
+  EL_CHAR('-'),
+  EL_CHAR(' '),
+
+  EL_CHAR('B'),
+  EL_CHAR('O'),
+  EL_CHAR('U'),
+  EL_CHAR('L'),
+
+  EL_CHAR('-'),
+  EL_CHAR('D'),
+  EL_CHAR('E'),
+  EL_CHAR('R'),
+
+  EL_CHAR('D'),
+  EL_CHAR('A'),
+  EL_CHAR('S'),
+  EL_CHAR('H'),
+
+  EL_SPRING,
+  EL_TUBE_RIGHT_DOWN,
+  EL_TUBE_HORIZONTAL_DOWN,
+  EL_TUBE_LEFT_DOWN,
+
+  EL_TUBE_HORIZONTAL,
+  EL_TUBE_VERTICAL_RIGHT,
+  EL_TUBE_ANY,
+  EL_TUBE_VERTICAL_LEFT,
+
+  EL_TUBE_VERTICAL,
+  EL_TUBE_RIGHT_UP,
+  EL_TUBE_HORIZONTAL_UP,
+  EL_TUBE_LEFT_UP,
+
+  EL_TRAP,
+  EL_DX_SUPABOMB,
+  EL_EMPTY,
+  EL_EMPTY
+};
+static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
+
+static int editor_el_chars[] =
+{
+  EL_CHAR('T'),
+  EL_CHAR('E'),
+  EL_CHAR('X'),
+  EL_CHAR('T'),
+
+  EL_CHAR(' '),
+  EL_CHAR('!'),
+  EL_CHAR('"'),
+  EL_CHAR('#'),
+
+  EL_CHAR('$'),
+  EL_CHAR('%'),
+  EL_CHAR('&'),
+  EL_CHAR('\''),
+
+  EL_CHAR('('),
+  EL_CHAR(')'),
+  EL_CHAR('*'),
+  EL_CHAR('+'),
+
+  EL_CHAR(','),
+  EL_CHAR('-'),
+  EL_CHAR('.'),
+  EL_CHAR('/'),
+
+  EL_CHAR('0'),
+  EL_CHAR('1'),
+  EL_CHAR('2'),
+  EL_CHAR('3'),
+
+  EL_CHAR('4'),
+  EL_CHAR('5'),
+  EL_CHAR('6'),
+  EL_CHAR('7'),
+
+  EL_CHAR('8'),
+  EL_CHAR('9'),
+  EL_CHAR(':'),
+  EL_CHAR(';'),
+
+  EL_CHAR('<'),
+  EL_CHAR('='),
+  EL_CHAR('>'),
+  EL_CHAR('?'),
+
+  EL_CHAR('@'),
+  EL_CHAR('A'),
+  EL_CHAR('B'),
+  EL_CHAR('C'),
+
+  EL_CHAR('D'),
+  EL_CHAR('E'),
+  EL_CHAR('F'),
+  EL_CHAR('G'),
+
+  EL_CHAR('H'),
+  EL_CHAR('I'),
+  EL_CHAR('J'),
+  EL_CHAR('K'),
+
+  EL_CHAR('L'),
+  EL_CHAR('M'),
+  EL_CHAR('N'),
+  EL_CHAR('O'),
+
+  EL_CHAR('P'),
+  EL_CHAR('Q'),
+  EL_CHAR('R'),
+  EL_CHAR('S'),
+
+  EL_CHAR('T'),
+  EL_CHAR('U'),
+  EL_CHAR('V'),
+  EL_CHAR('W'),
+
+  EL_CHAR('X'),
+  EL_CHAR('Y'),
+  EL_CHAR('Z'),
+  EL_CHAR('['),
+
+  EL_CHAR('\\'),
+  EL_CHAR(']'),
+  EL_CHAR('^'),
+  EL_CHAR('_'),
+
+  EL_CHAR('©'),
+  EL_CHAR('Ä'),
+  EL_CHAR('Ö'),
+  EL_CHAR('Ü'),
+
+  EL_CHAR('°'),
+  EL_CHAR('®'),
+  EL_CHAR(FONT_ASCII_CURSOR),
+  EL_CHAR(' ')
+};
+static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
+
+static int editor_el_custom[] =
+{
+  EL_CHAR('C'),
+  EL_CHAR('U'),
+  EL_CHAR('S'),
+  EL_CHAR('-'),
+
+  EL_CHAR('T'),
+  EL_CHAR('O'),
+  EL_CHAR('M'),
+  EL_CHAR(' '),
+
+  EL_CHAR('E'),
+  EL_CHAR('L'),
+  EL_CHAR('E'),
+  EL_CHAR('M'),
+
+  EL_CHAR('E'),
+  EL_CHAR('N'),
+  EL_CHAR('T'),
+  EL_CHAR('S'),
+
+  EL_CUSTOM_START + 0,
+  EL_CUSTOM_START + 1,
+  EL_CUSTOM_START + 2,
+  EL_CUSTOM_START + 3,
+
+  EL_CUSTOM_START + 4,
+  EL_CUSTOM_START + 5,
+  EL_CUSTOM_START + 6,
+  EL_CUSTOM_START + 7,
+
+  EL_CUSTOM_START + 8,
+  EL_CUSTOM_START + 9,
+  EL_CUSTOM_START + 10,
+  EL_CUSTOM_START + 11,
+
+  EL_CUSTOM_START + 12,
+  EL_CUSTOM_START + 13,
+  EL_CUSTOM_START + 14,
+  EL_CUSTOM_START + 15,
+
+  EL_CUSTOM_START + 16,
+  EL_CUSTOM_START + 17,
+  EL_CUSTOM_START + 18,
+  EL_CUSTOM_START + 19,
+
+  EL_CUSTOM_START + 20,
+  EL_CUSTOM_START + 21,
+  EL_CUSTOM_START + 22,
+  EL_CUSTOM_START + 23,
+
+  EL_CUSTOM_START + 24,
+  EL_CUSTOM_START + 25,
+  EL_CUSTOM_START + 26,
+  EL_CUSTOM_START + 27,
+
+  EL_CUSTOM_START + 28,
+  EL_CUSTOM_START + 29,
+  EL_CUSTOM_START + 30,
+  EL_CUSTOM_START + 31,
+
+  EL_CUSTOM_START + 32,
+  EL_CUSTOM_START + 33,
+  EL_CUSTOM_START + 34,
+  EL_CUSTOM_START + 35,
+
+  EL_CUSTOM_START + 36,
+  EL_CUSTOM_START + 37,
+  EL_CUSTOM_START + 38,
+  EL_CUSTOM_START + 39,
+
+  EL_CUSTOM_START + 40,
+  EL_CUSTOM_START + 41,
+  EL_CUSTOM_START + 42,
+  EL_CUSTOM_START + 43,
+
+  EL_CUSTOM_START + 44,
+  EL_CUSTOM_START + 45,
+  EL_CUSTOM_START + 46,
+  EL_CUSTOM_START + 47,
+
+  EL_CUSTOM_START + 48,
+  EL_CUSTOM_START + 49,
+  EL_CUSTOM_START + 50,
+  EL_CUSTOM_START + 51,
+
+  EL_CUSTOM_START + 52,
+  EL_CUSTOM_START + 53,
+  EL_CUSTOM_START + 54,
+  EL_CUSTOM_START + 55,
+
+  EL_CUSTOM_START + 56,
+  EL_CUSTOM_START + 57,
+  EL_CUSTOM_START + 58,
+  EL_CUSTOM_START + 59,
+
+  EL_CUSTOM_START + 60,
+  EL_CUSTOM_START + 61,
+  EL_CUSTOM_START + 62,
+  EL_CUSTOM_START + 63,
+
+  EL_CUSTOM_START + 64,
+  EL_CUSTOM_START + 65,
+  EL_CUSTOM_START + 66,
+  EL_CUSTOM_START + 67,
+
+  EL_CUSTOM_START + 68,
+  EL_CUSTOM_START + 69,
+  EL_CUSTOM_START + 70,
+  EL_CUSTOM_START + 71,
+
+  EL_CUSTOM_START + 72,
+  EL_CUSTOM_START + 73,
+  EL_CUSTOM_START + 74,
+  EL_CUSTOM_START + 75,
+
+  EL_CUSTOM_START + 76,
+  EL_CUSTOM_START + 77,
+  EL_CUSTOM_START + 78,
+  EL_CUSTOM_START + 79,
+
+  EL_CUSTOM_START + 80,
+  EL_CUSTOM_START + 81,
+  EL_CUSTOM_START + 82,
+  EL_CUSTOM_START + 83,
+
+  EL_CUSTOM_START + 84,
+  EL_CUSTOM_START + 85,
+  EL_CUSTOM_START + 86,
+  EL_CUSTOM_START + 87,
+
+  EL_CUSTOM_START + 88,
+  EL_CUSTOM_START + 89,
+  EL_CUSTOM_START + 90,
+  EL_CUSTOM_START + 91,
+
+  EL_CUSTOM_START + 92,
+  EL_CUSTOM_START + 93,
+  EL_CUSTOM_START + 94,
+  EL_CUSTOM_START + 95,
+
+  EL_CUSTOM_START + 96,
+  EL_CUSTOM_START + 97,
+  EL_CUSTOM_START + 98,
+  EL_CUSTOM_START + 99,
+
+  EL_CUSTOM_START + 100,
+  EL_CUSTOM_START + 101,
+  EL_CUSTOM_START + 102,
+  EL_CUSTOM_START + 103,
+
+  EL_CUSTOM_START + 104,
+  EL_CUSTOM_START + 105,
+  EL_CUSTOM_START + 106,
+  EL_CUSTOM_START + 107,
+
+  EL_CUSTOM_START + 108,
+  EL_CUSTOM_START + 109,
+  EL_CUSTOM_START + 110,
+  EL_CUSTOM_START + 111,
+
+  EL_CUSTOM_START + 112,
+  EL_CUSTOM_START + 113,
+  EL_CUSTOM_START + 114,
+  EL_CUSTOM_START + 115,
+
+  EL_CUSTOM_START + 116,
+  EL_CUSTOM_START + 117,
+  EL_CUSTOM_START + 118,
+  EL_CUSTOM_START + 119,
+
+  EL_CUSTOM_START + 120,
+  EL_CUSTOM_START + 121,
+  EL_CUSTOM_START + 122,
+  EL_CUSTOM_START + 123,
+
+  EL_CUSTOM_START + 124,
+  EL_CUSTOM_START + 125,
+  EL_CUSTOM_START + 126,
+  EL_CUSTOM_START + 127
+};
+static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
+
+static int *editor_elements = NULL;	/* dynamically allocated */
+static int num_editor_elements = 0;	/* dynamically determined */
+
+static struct
+{
+  boolean *setup_value;
+  int *element_list;
+  int *element_list_size;
+
+  boolean last_setup_value;
+}
+editor_elements_info[] =
+{
+  { &setup.editor.el_boulderdash,	editor_el_boulderdash,
+    &num_editor_el_boulderdash						},
+  { &setup.editor.el_emerald_mine,	editor_el_emerald_mine,
+    &num_editor_el_emerald_mine						},
+  { &setup.editor.el_more,		editor_el_more,
+    &num_editor_el_more							},
+  { &setup.editor.el_sokoban,		editor_el_sokoban,
+    &num_editor_el_sokoban						},
+  { &setup.editor.el_supaplex,		editor_el_supaplex,
+    &num_editor_el_supaplex						},
+  { &setup.editor.el_diamond_caves,	editor_el_diamond_caves,
+    &num_editor_el_diamond_caves					},
+  { &setup.editor.el_dx_boulderdash,	editor_el_dx_boulderdash,
+    &num_editor_el_dx_boulderdash					},
+  { &setup.editor.el_chars,		editor_el_chars,
+    &num_editor_el_chars						},
+  { &setup.editor.el_custom,		editor_el_custom,
+    &num_editor_el_custom						},
+  { NULL,				NULL,
+    NULL								}
+};
+
+
+/*
+  -----------------------------------------------------------------------------
+  functions
+  -----------------------------------------------------------------------------
+*/
+
+static void ReinitializeElementList()
+{
+  int pos = 0;
+  int i, j;
+
+  if (editor_elements != NULL)
+    free(editor_elements);
+
+  num_editor_elements = 0;
+
+  /* determine size of element list */
+  for (i=0; editor_elements_info[i].setup_value != NULL; i++)
+    if (*editor_elements_info[i].setup_value)
+      num_editor_elements += *editor_elements_info[i].element_list_size;
+
+  if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
+  {
+    /* workaround: offer at least as many elements as element buttons exist */
+    int list_nr = 1;	/* see above: editor_elements_info for Emerald Mine */
+
+    *editor_elements_info[list_nr].setup_value = TRUE;
+    num_editor_elements += *editor_elements_info[list_nr].element_list_size;
+  }
+
+  editor_elements = checked_malloc(num_editor_elements * sizeof(int));
+
+  /* fill element list */
+  for (i=0; editor_elements_info[i].setup_value != NULL; i++)
+    if (*editor_elements_info[i].setup_value)
+      for (j=0; j<*editor_elements_info[i].element_list_size; j++)
+	editor_elements[pos++] = editor_elements_info[i].element_list[j];
+}
+
+static void ReinitializeElementListButtons()
 {
-  int i, graphic;
+  static boolean initialization_needed = TRUE;
+  int i;
 
-  level_xpos=-1;
-  level_ypos=-1;
-  edit_mode = TRUE;
-  name_typing = FALSE;
-  element_shift = 0;
+  if (!initialization_needed)	/* check if editor element setup has changed */
+    for (i=0; editor_elements_info[i].setup_value != NULL; i++)
+      if (editor_elements_info[i].last_setup_value !=
+	  *editor_elements_info[i].setup_value)
+	initialization_needed = TRUE;
+
+  if (!initialization_needed)
+    return;
+
+  FreeLevelEditorGadgets();
+  CreateLevelEditorGadgets();
+
+  /* store current setup values for next invocation of this function */
+  for (i=0; editor_elements_info[i].setup_value != NULL; i++)
+    editor_elements_info[i].last_setup_value =
+      *editor_elements_info[i].setup_value;
+
+  initialization_needed = FALSE;
+}
+
+static int getCounterGadgetWidth()
+{
+  return (DXSIZE + getFontWidth(FONT_INPUT_1) - 2 * ED_GADGET_DISTANCE);
+}
+
+static int getMaxInfoTextLength()
+{
+  return (SXSIZE / getFontWidth(FONT_TEXT_2));
+}
+
+static char *getElementInfoText(int element)
+{
+  char *info_text = NULL;
+
+  if (element < NUM_FILE_ELEMENTS)
+  {
+    if (element_info[element].custom_description != NULL)
+      info_text = element_info[element].custom_description;
+    else if (element_info[element].editor_description != NULL)
+      info_text = element_info[element].editor_description;
+  }
+
+  if (info_text == NULL)
+  {
+    info_text = "unknown";
+
+    Error(ERR_WARN, "no element description for element %d", element);
+  }
+
+  return info_text;
+}
+
+static void ScrollMiniLevel(int from_x, int from_y, int scroll)
+{
+  int x,y;
+  int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
+  int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
+
+  BlitBitmap(drawto, drawto,
+	     SX + (dx == -1 ? MINI_TILEX : 0),
+	     SY + (dy == -1 ? MINI_TILEY : 0),
+	     (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
+	     (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
+	     SX + (dx == +1 ? MINI_TILEX : 0),
+	     SY + (dy == +1 ? MINI_TILEY : 0));
+  if (dx)
+  {
+    x = (dx == 1 ? 0 : ed_fieldx - 1);
+    for(y=0; y<ed_fieldy; y++)
+      DrawMiniElementOrWall(x, y, from_x, from_y);
+  }
+  else if (dy)
+  {
+    y = (dy == 1 ? 0 : ed_fieldy - 1);
+    for(x=0; x<ed_fieldx; x++)
+      DrawMiniElementOrWall(x, y, from_x, from_y);
+  }
+
+  redraw_mask |= REDRAW_FIELD;
+  BackToFront();
+}
+
+static void CreateControlButtons()
+{
+  Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
+  struct GadgetInfo *gi;
+  unsigned long event_mask;
+  int i;
+
+  /* create toolbox buttons */
+  for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
+  {
+    int id = i;
+    int width, height;
+    int gd_xoffset, gd_yoffset;
+    int gd_x1, gd_x2, gd_y1, gd_y2;
+    int button_type;
+    int radio_button_nr;
+    boolean checked;
+
+    if (id == GADGET_ID_SINGLE_ITEMS ||
+	id == GADGET_ID_CONNECTED_ITEMS ||
+	id == GADGET_ID_LINE ||
+	id == GADGET_ID_ARC ||
+	id == GADGET_ID_TEXT ||
+	id == GADGET_ID_RECTANGLE ||
+	id == GADGET_ID_FILLED_BOX ||
+	id == GADGET_ID_FLOOD_FILL ||
+	id == GADGET_ID_GRAB_BRUSH ||
+	id == GADGET_ID_PICK_ELEMENT)
+    {
+      button_type = GD_TYPE_RADIO_BUTTON;
+      radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
+      checked = (id == drawing_function ? TRUE : FALSE);
+      event_mask = GD_EVENT_PRESSED;
+    }
+    else
+    {
+      button_type = GD_TYPE_NORMAL_BUTTON;
+      radio_button_nr = RADIO_NR_NONE;
+      checked = FALSE;
+
+      if (id == GADGET_ID_WRAP_LEFT ||
+	  id == GADGET_ID_WRAP_RIGHT ||
+	  id == GADGET_ID_WRAP_UP ||
+	  id == GADGET_ID_WRAP_DOWN)
+	event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
+      else
+	event_mask = GD_EVENT_RELEASED;
+    }
+
+    if (id < ED_NUM_CTRL1_BUTTONS)
+    {
+      int x = i % ED_CTRL1_BUTTONS_HORIZ;
+      int y = i / ED_CTRL1_BUTTONS_HORIZ;
+
+      gd_xoffset = ED_CTRL1_BUTTONS_XPOS + x * ED_CTRL1_BUTTON_XSIZE;
+      gd_yoffset = ED_CTRL1_BUTTONS_YPOS + y * ED_CTRL1_BUTTON_YSIZE;
+      width = ED_CTRL1_BUTTON_XSIZE;
+      height = ED_CTRL1_BUTTON_YSIZE;
+    }
+    else
+    {
+      int x = (i - ED_NUM_CTRL1_BUTTONS) % ED_CTRL2_BUTTONS_HORIZ;
+      int y = (i - ED_NUM_CTRL1_BUTTONS) / ED_CTRL2_BUTTONS_HORIZ;
+
+      gd_xoffset = ED_CTRL2_BUTTONS_XPOS + x * ED_CTRL2_BUTTON_XSIZE;
+      gd_yoffset = ED_CTRL2_BUTTONS_YPOS + y * ED_CTRL2_BUTTON_YSIZE;
+      width = ED_CTRL2_BUTTON_XSIZE;
+      height = ED_CTRL2_BUTTON_YSIZE;
+    }
+
+    gd_x1 = DOOR_GFX_PAGEX8 + gd_xoffset;
+    gd_x2 = DOOR_GFX_PAGEX7 + gd_xoffset;
+    gd_y1  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_GFX_YPOS + gd_yoffset;
+    gd_y2  = DOOR_GFX_PAGEY1 + ED_CTRL_BUTTONS_ALT_GFX_YPOS + gd_yoffset;
+
+    gi = CreateGadget(GDI_CUSTOM_ID, id,
+		      GDI_CUSTOM_TYPE_ID, i,
+		      GDI_INFO_TEXT, control_info[i].text,
+		      GDI_X, EX + gd_xoffset,
+		      GDI_Y, EY + gd_yoffset,
+		      GDI_WIDTH, width,
+		      GDI_HEIGHT, height,
+		      GDI_TYPE, button_type,
+		      GDI_STATE, GD_BUTTON_UNPRESSED,
+		      GDI_RADIO_NR, radio_button_nr,
+		      GDI_CHECKED, checked,
+		      GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
+		      GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
+		      GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
+		      GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
+		      GDI_EVENT_MASK, event_mask,
+		      GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
+		      GDI_CALLBACK_ACTION, HandleControlButtons,
+		      GDI_END);
+
+    if (gi == NULL)
+      Error(ERR_EXIT, "cannot create gadget");
+
+    level_editor_gadget[id] = gi;
+  }
+
+  /* create buttons for scrolling of drawing area and element list */
+  for (i=0; i<ED_NUM_SCROLLBUTTONS; i++)
+  {
+    int id = scrollbutton_info[i].gadget_id;
+    int x, y, width, height;
+    int gd_x1, gd_x2, gd_y1, gd_y2;
+
+    x = scrollbutton_info[i].x;
+    y = scrollbutton_info[i].y;
+
+    event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
+
+    if (id == GADGET_ID_SCROLL_LIST_UP ||
+	id == GADGET_ID_SCROLL_LIST_DOWN)
+    {
+      x += DX;
+      y += DY;
+      width = ED_SCROLLBUTTON2_XSIZE;
+      height = ED_SCROLLBUTTON2_YSIZE;
+      gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
+      gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
+      gd_x2 = gd_x1 - ED_SCROLLBUTTON2_XSIZE;
+      gd_y2 = gd_y1;
+    }
+    else
+    {
+      x += SX;
+      y += SY;
+      width = ED_SCROLLBUTTON_XSIZE;
+      height = ED_SCROLLBUTTON_YSIZE;
+      gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[i].gd_x;
+      gd_y1 = DOOR_GFX_PAGEY1 + scrollbutton_info[i].gd_y;
+      gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
+      gd_y2 = gd_y1;
+    }
+
+    gi = CreateGadget(GDI_CUSTOM_ID, id,
+		      GDI_CUSTOM_TYPE_ID, i,
+		      GDI_INFO_TEXT, scrollbutton_info[i].infotext,
+		      GDI_X, x,
+		      GDI_Y, y,
+		      GDI_WIDTH, width,
+		      GDI_HEIGHT, height,
+		      GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
+		      GDI_STATE, GD_BUTTON_UNPRESSED,
+		      GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
+		      GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
+		      GDI_EVENT_MASK, event_mask,
+		      GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
+		      GDI_CALLBACK_ACTION, HandleControlButtons,
+		      GDI_END);
+
+    if (gi == NULL)
+      Error(ERR_EXIT, "cannot create gadget");
+
+    level_editor_gadget[id] = gi;
+  }
+
+  /* create buttons for element list */
+  for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
+  {
+    Bitmap *deco_bitmap;
+    int deco_x, deco_y, deco_xpos, deco_ypos;
+    int gd_xoffset, gd_yoffset;
+    int gd_x1, gd_x2, gd_y;
+    int x = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
+    int y = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
+    int id = GADGET_ID_ELEMENTLIST_FIRST + i;
+    int element = editor_elements[i];
+
+    event_mask = GD_EVENT_RELEASED;
+
+    gd_xoffset = ED_ELEMENTLIST_XPOS + x * ED_ELEMENTLIST_XSIZE;
+    gd_yoffset = ED_ELEMENTLIST_YPOS + y * ED_ELEMENTLIST_YSIZE;
+
+    gd_x1 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS + ED_ELEMENTLIST_XSIZE;
+    gd_x2 = DOOR_GFX_PAGEX6 + ED_ELEMENTLIST_XPOS;
+    gd_y  = DOOR_GFX_PAGEY1 + ED_ELEMENTLIST_YPOS;
+
+    getMiniGraphicSource(el2edimg(element), &deco_bitmap, &deco_x, &deco_y);
+    deco_xpos = (ED_ELEMENTLIST_XSIZE - MINI_TILEX) / 2;
+    deco_ypos = (ED_ELEMENTLIST_YSIZE - MINI_TILEY) / 2;
+
+    gi = CreateGadget(GDI_CUSTOM_ID, id,
+		      GDI_CUSTOM_TYPE_ID, i,
+		      GDI_INFO_TEXT, getElementInfoText(element),
+		      GDI_X, DX + gd_xoffset,
+		      GDI_Y, DY + gd_yoffset,
+		      GDI_WIDTH, ED_ELEMENTLIST_XSIZE,
+		      GDI_HEIGHT, ED_ELEMENTLIST_YSIZE,
+		      GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
+		      GDI_STATE, GD_BUTTON_UNPRESSED,
+		      GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
+		      GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
+		      GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
+		      GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
+		      GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
+		      GDI_DECORATION_SHIFTING, 1, 1,
+		      GDI_EVENT_MASK, event_mask,
+		      GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
+		      GDI_CALLBACK_ACTION, HandleControlButtons,
+		      GDI_END);
+
+    if (gi == NULL)
+      Error(ERR_EXIT, "cannot create gadget");
+
+    level_editor_gadget[id] = gi;
+  }
+}
+
+static void CreateCounterButtons()
+{
+  int max_infotext_len = getMaxInfoTextLength();
+  int i;
+
+  for (i=0; i<ED_NUM_COUNTERBUTTONS; i++)
+  {
+    int j;
+    int xpos = SX + counterbutton_info[i].x;	/* xpos of down count button */
+    int ypos = SY + counterbutton_info[i].y;
+    int xoffset = 0;
+
+    /* determine horizontal offset for leading counter text */
+    if (counterbutton_info[i].text_left != NULL)
+      xoffset = (getFontWidth(FONT_TEXT_1) *
+		 strlen(counterbutton_info[i].text_left) +
+		 ED_GADGET_TEXT_DISTANCE);
+
+    for (j=0; j<2; j++)
+    {
+      Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
+      struct GadgetInfo *gi;
+      int id = (j == 0 ?
+		counterbutton_info[i].gadget_id_down :
+		counterbutton_info[i].gadget_id_up);
+      int gd_xoffset;
+      int gd_x, gd_x1, gd_x2, gd_y;
+      int x_size, y_size;
+      unsigned long event_mask;
+      char infotext[max_infotext_len + 1];
+
+      event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
+
+      if (i == ED_COUNTER_ID_SELECT_LEVEL)
+      {
+	int sid = (j == 0 ?
+		   ED_SCROLLBUTTON_ID_AREA_LEFT :
+		   ED_SCROLLBUTTON_ID_AREA_RIGHT);
+
+	event_mask |= GD_EVENT_RELEASED;
+
+	if (j == 1)
+	  xpos += 2 * ED_GADGET_DISTANCE;
+	ypos += ED_GADGET_DISTANCE;
+
+	gd_x1 = DOOR_GFX_PAGEX8 + scrollbutton_info[sid].gd_x;
+	gd_x2 = gd_x1 - ED_SCROLLBUTTON_XSIZE;
+	gd_y  = DOOR_GFX_PAGEY1 + scrollbutton_info[sid].gd_y;
+	x_size = ED_SCROLLBUTTON_XSIZE;
+	y_size = ED_SCROLLBUTTON_YSIZE;
+      }
+      else
+      {
+	gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
+	gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
+	gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
+	gd_y  = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
+	x_size = ED_BUTTON_COUNT_XSIZE;
+	y_size = ED_BUTTON_COUNT_YSIZE;
+      }
+
+      sprintf(infotext, "%s counter value by 1, 5 or 10",
+	      (j == 0 ? "decrease" : "increase"));
+
+      gi = CreateGadget(GDI_CUSTOM_ID, id,
+			GDI_CUSTOM_TYPE_ID, i,
+			GDI_INFO_TEXT, infotext,
+			GDI_X, xpos + xoffset,
+			GDI_Y, ypos,
+			GDI_WIDTH, x_size,
+			GDI_HEIGHT, y_size,
+			GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
+			GDI_STATE, GD_BUTTON_UNPRESSED,
+			GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
+			GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
+			GDI_EVENT_MASK, event_mask,
+			GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
+			GDI_CALLBACK_ACTION, HandleCounterButtons,
+			GDI_END);
+
+      if (gi == NULL)
+	Error(ERR_EXIT, "cannot create gadget");
+
+      level_editor_gadget[id] = gi;
+      xpos += gi->width + ED_GADGET_DISTANCE;	/* xpos of text count button */
+
+      if (j == 0)
+      {
+	int font_type = FONT_INPUT_1;
+	int font_type_active = FONT_INPUT_1_ACTIVE;
+	int gd_width = ED_WIN_COUNT_XSIZE;
+
+	id = counterbutton_info[i].gadget_id_text;
+	event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
+
+	if (i == ED_COUNTER_ID_SELECT_LEVEL)
+	{
+	  font_type = FONT_LEVEL_NUMBER;
+	  font_type_active = FONT_LEVEL_NUMBER;
+
+	  xpos += 2 * ED_GADGET_DISTANCE;
+	  ypos -= ED_GADGET_DISTANCE;
+
+	  gd_x = DOOR_GFX_PAGEX6 + ED_WIN_COUNT2_XPOS;
+	  gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT2_YPOS;
+	  gd_width = ED_WIN_COUNT2_XSIZE;
+	}
+	else
+	{
+	  gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
+	  gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
+	}
+
+	gi = CreateGadget(GDI_CUSTOM_ID, id,
+			  GDI_CUSTOM_TYPE_ID, i,
+			  GDI_INFO_TEXT, "enter counter value",
+			  GDI_X, xpos + xoffset,
+			  GDI_Y, ypos,
+			  GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
+			  GDI_NUMBER_VALUE, 0,
+			  GDI_NUMBER_MIN, counterbutton_info[i].min_value,
+			  GDI_NUMBER_MAX, counterbutton_info[i].max_value,
+			  GDI_TEXT_SIZE, 3,
+			  GDI_TEXT_FONT, font_type,
+			  GDI_TEXT_FONT_ACTIVE, font_type_active,
+			  GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
+			  GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
+			  GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
+			  GDI_DESIGN_WIDTH, gd_width,
+			  GDI_EVENT_MASK, event_mask,
+			  GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
+			  GDI_CALLBACK_ACTION, HandleCounterButtons,
+			  GDI_END);
+
+	if (gi == NULL)
+	  Error(ERR_EXIT, "cannot create gadget");
+
+	level_editor_gadget[id] = gi;
+	xpos += gi->width + ED_GADGET_DISTANCE;	/* xpos of up count button */
+      }
+    }
+  }
+}
+
+static void CreateDrawingAreas()
+{
+  struct GadgetInfo *gi;
+  unsigned long event_mask;
+  int id;
+  int i;
+
+  event_mask =
+    GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
+    GD_EVENT_OFF_BORDERS;
+
+  /* one for the level drawing area ... */
+  id = GADGET_ID_DRAWING_LEVEL;
+  gi = CreateGadget(GDI_CUSTOM_ID, id,
+		    GDI_X, SX,
+		    GDI_Y, SY,
+		    GDI_TYPE, GD_TYPE_DRAWING_AREA,
+		    GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
+		    GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
+		    GDI_EVENT_MASK, event_mask,
+		    GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
+		    GDI_CALLBACK_ACTION, HandleDrawingAreas,
+		    GDI_END);
+
+  if (gi == NULL)
+    Error(ERR_EXIT, "cannot create gadget");
+
+  level_editor_gadget[id] = gi;
+
+  /* ... up to eight areas for element content ... */
+  for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
+  {
+    int gx = SX + ED_AREA_ELEM_CONTENT_XPOS + 5 * (i % 4) * MINI_TILEX;
+    int gy = SX + ED_AREA_ELEM_CONTENT_YPOS + 6 * (i / 4) * MINI_TILEY;
+
+    id = GADGET_ID_ELEMENT_CONTENT_0 + i;
+    gi = CreateGadget(GDI_CUSTOM_ID, id,
+		      GDI_CUSTOM_TYPE_ID, i,
+		      GDI_X, gx,
+		      GDI_Y, gy,
+		      GDI_WIDTH, 3 * MINI_TILEX,
+		      GDI_HEIGHT, 3 * MINI_TILEY,
+		      GDI_TYPE, GD_TYPE_DRAWING_AREA,
+		      GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
+		      GDI_EVENT_MASK, event_mask,
+		      GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
+		      GDI_CALLBACK_ACTION, HandleDrawingAreas,
+		      GDI_END);
+
+    if (gi == NULL)
+      Error(ERR_EXIT, "cannot create gadget");
+
+    level_editor_gadget[id] = gi;
+  }
+
+  /* ... one for the amoeba content ... */
+  id = GADGET_ID_AMOEBA_CONTENT;
+  gi = CreateGadget(GDI_CUSTOM_ID, id,
+		    GDI_X, SX + ED_AREA_ELEM_CONTENT_XPOS,
+		    GDI_Y, SY + ED_AREA_ELEM_CONTENT_YPOS,
+		    GDI_WIDTH, MINI_TILEX,
+		    GDI_HEIGHT, MINI_TILEY,
+		    GDI_TYPE, GD_TYPE_DRAWING_AREA,
+		    GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
+		    GDI_EVENT_MASK, event_mask,
+		    GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
+		    GDI_CALLBACK_ACTION, HandleDrawingAreas,
+		    GDI_END);
+
+  if (gi == NULL)
+    Error(ERR_EXIT, "cannot create gadget");
+
+  level_editor_gadget[id] = gi;
+
+  /* ... one for each custom element optional graphic element ... */
+  id = GADGET_ID_CUSTOM_GRAPHIC;
+  gi = CreateGadget(GDI_CUSTOM_ID, id,
+		    GDI_X, SX + ED_AREA_ELEM_CONTENT3_XPOS,
+		    GDI_Y, SY + ED_AREA_ELEM_CONTENT3_YPOS,
+		    GDI_WIDTH, MINI_TILEX,
+		    GDI_HEIGHT, MINI_TILEY,
+		    GDI_TYPE, GD_TYPE_DRAWING_AREA,
+		    GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
+		    GDI_EVENT_MASK, event_mask,
+		    GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
+		    GDI_CALLBACK_ACTION, HandleDrawingAreas,
+		    GDI_END);
+
+  if (gi == NULL)
+    Error(ERR_EXIT, "cannot create gadget");
+
+  level_editor_gadget[id] = gi;
+
+  /* ... one area for custom element explosion content ... */
+  id = GADGET_ID_CUSTOM_CONTENT;
+  gi = CreateGadget(GDI_CUSTOM_ID, id,
+		    GDI_CUSTOM_TYPE_ID, i,
+		    GDI_X, SX + ED_AREA_ELEM_CONTENT4_XPOS,
+		    GDI_Y, SX + ED_AREA_ELEM_CONTENT4_YPOS,
+		    GDI_WIDTH, 3 * MINI_TILEX,
+		    GDI_HEIGHT, 3 * MINI_TILEY,
+		    GDI_TYPE, GD_TYPE_DRAWING_AREA,
+		    GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
+		    GDI_EVENT_MASK, event_mask,
+		    GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
+		    GDI_CALLBACK_ACTION, HandleDrawingAreas,
+		    GDI_END);
+
+  if (gi == NULL)
+    Error(ERR_EXIT, "cannot create gadget");
+
+  level_editor_gadget[id] = gi;
+
+  /* ... one for each custom element change target element ... */
+  id = GADGET_ID_CUSTOM_CHANGE_TARGET;
+  gi = CreateGadget(GDI_CUSTOM_ID, id,
+		    GDI_X, SX + ED_AREA_ELEM_CONTENT2_XPOS,
+		    GDI_Y, SY + ED_AREA_ELEM_CONTENT2_YPOS,
+		    GDI_WIDTH, MINI_TILEX,
+		    GDI_HEIGHT, MINI_TILEY,
+		    GDI_TYPE, GD_TYPE_DRAWING_AREA,
+		    GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
+		    GDI_EVENT_MASK, event_mask,
+		    GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
+		    GDI_CALLBACK_ACTION, HandleDrawingAreas,
+		    GDI_END);
+
+  if (gi == NULL)
+    Error(ERR_EXIT, "cannot create gadget");
+
+  level_editor_gadget[id] = gi;
+
+  /* ... one area for extended custom element change target content ... */
+  id = GADGET_ID_CUSTOM_CHANGE_CONTENT;
+  gi = CreateGadget(GDI_CUSTOM_ID, id,
+		    GDI_CUSTOM_TYPE_ID, i,
+		    GDI_X, SX + ED_AREA_ELEM_CONTENT6_XPOS,
+		    GDI_Y, SX + ED_AREA_ELEM_CONTENT6_YPOS,
+		    GDI_WIDTH, 3 * MINI_TILEX,
+		    GDI_HEIGHT, 3 * MINI_TILEY,
+		    GDI_TYPE, GD_TYPE_DRAWING_AREA,
+		    GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
+		    GDI_EVENT_MASK, event_mask,
+		    GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
+		    GDI_CALLBACK_ACTION, HandleDrawingAreas,
+		    GDI_END);
+
+  if (gi == NULL)
+    Error(ERR_EXIT, "cannot create gadget");
+
+  level_editor_gadget[id] = gi;
+
+  /* ... one for each custom element change trigger element ... */
+  id = GADGET_ID_CUSTOM_CHANGE_TRIGGER;
+  gi = CreateGadget(GDI_CUSTOM_ID, id,
+		    GDI_X, SX + ED_AREA_ELEM_CONTENT5_XPOS,
+		    GDI_Y, SY + ED_AREA_ELEM_CONTENT5_YPOS,
+		    GDI_WIDTH, MINI_TILEX,
+		    GDI_HEIGHT, MINI_TILEY,
+		    GDI_TYPE, GD_TYPE_DRAWING_AREA,
+		    GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
+		    GDI_EVENT_MASK, event_mask,
+		    GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
+		    GDI_CALLBACK_ACTION, HandleDrawingAreas,
+		    GDI_END);
+
+  if (gi == NULL)
+    Error(ERR_EXIT, "cannot create gadget");
+
+  level_editor_gadget[id] = gi;
+
+  /* ... and one for random placement background restrictions */
+  id = GADGET_ID_RANDOM_BACKGROUND;
+  gi = CreateGadget(GDI_CUSTOM_ID, id,
+		    GDI_X, SX + ED_AREA_RANDOM_BACKGROUND_XPOS,
+		    GDI_Y, SY + ED_AREA_RANDOM_BACKGROUND_YPOS,
+		    GDI_WIDTH, MINI_TILEX,
+		    GDI_HEIGHT, MINI_TILEY,
+		    GDI_TYPE, GD_TYPE_DRAWING_AREA,
+		    GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
+		    GDI_EVENT_MASK, event_mask,
+		    GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
+		    GDI_CALLBACK_ACTION, HandleDrawingAreas,
+		    GDI_END);
+
+  if (gi == NULL)
+    Error(ERR_EXIT, "cannot create gadget");
+
+  level_editor_gadget[id] = gi;
+}
+
+static void CreateTextInputGadgets()
+{
+  int max_infotext_len = getMaxInfoTextLength();
+  int i;
+
+  for (i=0; i<ED_NUM_TEXTINPUT; i++)
+  {
+    Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
+    int gd_x, gd_y;
+    struct GadgetInfo *gi;
+    unsigned long event_mask;
+    char infotext[MAX_OUTPUT_LINESIZE + 1];
+    int id = textinput_info[i].gadget_id;
+
+    event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
+
+    gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
+    gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
+
+    sprintf(infotext, "Enter %s", textinput_info[i].infotext);
+    infotext[max_infotext_len] = '\0';
+
+    gi = CreateGadget(GDI_CUSTOM_ID, id,
+		      GDI_CUSTOM_TYPE_ID, i,
+		      GDI_INFO_TEXT, infotext,
+		      GDI_X, SX + textinput_info[i].x,
+		      GDI_Y, SY + textinput_info[i].y,
+		      GDI_TYPE, GD_TYPE_TEXTINPUT_ALPHANUMERIC,
+		      GDI_TEXT_VALUE, textinput_info[i].value,
+		      GDI_TEXT_SIZE, textinput_info[i].size,
+		      GDI_TEXT_FONT, FONT_INPUT_1,
+		      GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
+		      GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
+		      GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
+		      GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
+		      GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
+		      GDI_EVENT_MASK, event_mask,
+		      GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
+		      GDI_CALLBACK_ACTION, HandleTextInputGadgets,
+		      GDI_END);
+
+    if (gi == NULL)
+      Error(ERR_EXIT, "cannot create gadget");
+
+    level_editor_gadget[id] = gi;
+  }
+}
+
+static void CreateSelectboxGadgets()
+{
+  int max_infotext_len = getMaxInfoTextLength();
+  int i, j;
+
+  for (i=0; i<ED_NUM_SELECTBOX; i++)
+  {
+    Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
+    int gd_x, gd_y;
+    int xoffset = 0;
+    struct GadgetInfo *gi;
+    unsigned long event_mask;
+    char infotext[MAX_OUTPUT_LINESIZE + 1];
+    int id = selectbox_info[i].gadget_id;
+
+    if (selectbox_info[i].size == -1)	/* dynamically determine size */
+    {
+      /* (we cannot use -1 for uninitialized values if we directly compare
+	 with results from strlen(), because the '<' and '>' operation will
+	 implicitely cast -1 to an unsigned integer value!) */
+      selectbox_info[i].size = 0;
+
+      for (j=0; selectbox_info[i].options[j].text != NULL; j++)
+	if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
+	  selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
+
+      selectbox_info[i].size++;		/* add one character empty space */
+    }
+
+    event_mask = GD_EVENT_RELEASED |
+      GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
+
+    gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
+    gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
+
+    /* determine horizontal offset for leading selectbox text */
+    if (selectbox_info[i].text_left != NULL)
+      xoffset = (getFontWidth(FONT_TEXT_1) *
+		 strlen(selectbox_info[i].text_left) +
+		 ED_GADGET_TEXT_DISTANCE);
+
+    sprintf(infotext, "Select %s", selectbox_info[i].infotext);
+    infotext[max_infotext_len] = '\0';
+
+    gi = CreateGadget(GDI_CUSTOM_ID, id,
+		      GDI_CUSTOM_TYPE_ID, i,
+		      GDI_INFO_TEXT, infotext,
+		      GDI_X, SX + selectbox_info[i].x + xoffset,
+		      GDI_Y, SY + selectbox_info[i].y,
+		      GDI_TYPE, GD_TYPE_SELECTBOX,
+		      GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
+		      GDI_TEXT_SIZE, selectbox_info[i].size,
+		      GDI_TEXT_FONT, FONT_INPUT_1,
+		      GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
+		      GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
+		      GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
+		      GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
+		      GDI_BORDER_SIZE_SELECTBUTTON, getFontWidth(FONT_INPUT_1),
+		      GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
+		      GDI_EVENT_MASK, event_mask,
+		      GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
+		      GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
+		      GDI_END);
+
+    if (gi == NULL)
+      Error(ERR_EXIT, "cannot create gadget");
+
+    level_editor_gadget[id] = gi;
+  }
+}
+
+static void CreateTextbuttonGadgets()
+{
+  int max_infotext_len = getMaxInfoTextLength();
+  int i;
+
+  for (i=0; i<ED_NUM_TEXTBUTTON; i++)
+  {
+    Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
+    int gd_x1, gd_x2, gd_y1, gd_y2;
+    struct GadgetInfo *gi;
+    unsigned long event_mask;
+    char infotext[MAX_OUTPUT_LINESIZE + 1];
+    int id = textbutton_info[i].gadget_id;
+
+    if (textbutton_info[i].size == -1)	/* dynamically determine size */
+      textbutton_info[i].size = strlen(textbutton_info[i].text);
+
+    event_mask = GD_EVENT_RELEASED;
+
+    if (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_ADVANCED)
+    {
+      gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
+      gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
+      gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
+      gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
+    }
+    else
+    {
+      gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
+      gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
+      gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
+      gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
+    }
+
+    sprintf(infotext, "%s", textbutton_info[i].infotext);
+    infotext[max_infotext_len] = '\0';
+
+    gi = CreateGadget(GDI_CUSTOM_ID, id,
+		      GDI_CUSTOM_TYPE_ID, i,
+		      GDI_INFO_TEXT, infotext,
+		      GDI_X, SX + textbutton_info[i].x,
+		      GDI_Y, SY + textbutton_info[i].y,
+		      GDI_TYPE, GD_TYPE_TEXT_BUTTON,
+		      GDI_TEXT_VALUE, textbutton_info[i].text,
+		      GDI_TEXT_SIZE, textbutton_info[i].size,
+		      GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
+		      GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
+		      GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
+		      GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
+		      GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
+		      GDI_BORDER_SIZE, ED_BORDER2_SIZE, ED_BORDER_SIZE,
+		      GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
+		      GDI_DECORATION_SHIFTING, 1, 1,
+		      GDI_EVENT_MASK, event_mask,
+		      GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
+		      GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
+		      GDI_END);
+
+    if (gi == NULL)
+      Error(ERR_EXIT, "cannot create gadget");
+
+    level_editor_gadget[id] = gi;
+  }
+}
+
+static void CreateScrollbarGadgets()
+{
+  int i;
+
+  for (i=0; i<ED_NUM_SCROLLBARS; i++)
+  {
+    int id = scrollbar_info[i].gadget_id;
+    Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
+    int gd_x1, gd_x2, gd_y1, gd_y2;
+    struct GadgetInfo *gi;
+    int items_max, items_visible, item_position;
+    unsigned long event_mask;
+
+    if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
+    {
+      items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
+      items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
+      item_position = 0;
+    }
+    else	/* drawing area scrollbars */
+    {
+      if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
+      {
+	items_max = MAX(lev_fieldx + 2, ed_fieldx);
+	items_visible = ed_fieldx;
+	item_position = 0;
+      }
+      else
+      {
+	items_max = MAX(lev_fieldy + 2, ed_fieldy);
+	items_visible = ed_fieldy;
+	item_position = 0;
+      }
+    }
+
+    event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
+
+    gd_x1 = DOOR_GFX_PAGEX8 + scrollbar_info[i].gd_x;
+    gd_x2 = (gd_x1 - (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL ?
+		      scrollbar_info[i].height : scrollbar_info[i].width));
+    gd_y1 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
+    gd_y2 = DOOR_GFX_PAGEY1 + scrollbar_info[i].gd_y;
+
+    gi = CreateGadget(GDI_CUSTOM_ID, id,
+		      GDI_CUSTOM_TYPE_ID, i,
+		      GDI_INFO_TEXT, scrollbar_info[i].infotext,
+		      GDI_X, scrollbar_info[i].x,
+		      GDI_Y, scrollbar_info[i].y,
+		      GDI_WIDTH, scrollbar_info[i].width,
+		      GDI_HEIGHT, scrollbar_info[i].height,
+		      GDI_TYPE, scrollbar_info[i].type,
+		      GDI_SCROLLBAR_ITEMS_MAX, items_max,
+		      GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
+		      GDI_SCROLLBAR_ITEM_POSITION, item_position,
+		      GDI_STATE, GD_BUTTON_UNPRESSED,
+		      GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
+		      GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
+		      GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
+		      GDI_EVENT_MASK, event_mask,
+		      GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
+		      GDI_CALLBACK_ACTION, HandleControlButtons,
+		      GDI_END);
+
+    if (gi == NULL)
+      Error(ERR_EXIT, "cannot create gadget");
+
+    level_editor_gadget[id] = gi;
+  }
+}
+
+static void CreateCheckbuttonGadgets()
+{
+  Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
+  struct GadgetInfo *gi;
+  unsigned long event_mask;
+  int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
+  boolean checked;
+  int i;
+
+  event_mask = GD_EVENT_PRESSED;
+
+  gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
+  gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
+  gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
+  gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
+  gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
+
+  for (i=0; i<ED_NUM_RADIOBUTTONS; i++)
+  {
+    int id = radiobutton_info[i].gadget_id;
+
+    checked =
+      (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
+
+    gi = CreateGadget(GDI_CUSTOM_ID, id,
+		      GDI_CUSTOM_TYPE_ID, i,
+		      GDI_INFO_TEXT, radiobutton_info[i].infotext,
+		      GDI_X, SX + radiobutton_info[i].x,
+		      GDI_Y, SY + radiobutton_info[i].y,
+		      GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
+		      GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
+		      GDI_TYPE, GD_TYPE_RADIO_BUTTON,
+		      GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
+		      GDI_CHECKED, checked,
+		      GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
+		      GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
+		      GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
+		      GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
+		      GDI_EVENT_MASK, event_mask,
+		      GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
+		      GDI_CALLBACK_ACTION, HandleRadiobuttons,
+		      GDI_END);
+
+    if (gi == NULL)
+      Error(ERR_EXIT, "cannot create gadget");
+
+    level_editor_gadget[id] = gi;
+  }
+
+  for (i=0; i<ED_NUM_CHECKBUTTONS; i++)
+  {
+    int id = checkbutton_info[i].gadget_id;
+
+    if (id == GADGET_ID_STICK_ELEMENT)
+      gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
+    else
+      gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
+
+    gi = CreateGadget(GDI_CUSTOM_ID, id,
+		      GDI_CUSTOM_TYPE_ID, i,
+		      GDI_INFO_TEXT, checkbutton_info[i].infotext,
+		      GDI_X, SX + checkbutton_info[i].x,
+		      GDI_Y, SY + checkbutton_info[i].y,
+		      GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
+		      GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
+		      GDI_TYPE, GD_TYPE_CHECK_BUTTON,
+		      GDI_CHECKED, *checkbutton_info[i].value,
+		      GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
+		      GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
+		      GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
+		      GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
+		      GDI_EVENT_MASK, event_mask,
+		      GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
+		      GDI_CALLBACK_ACTION, HandleCheckbuttons,
+		      GDI_END);
+
+    if (gi == NULL)
+      Error(ERR_EXIT, "cannot create gadget");
+
+    level_editor_gadget[id] = gi;
+  }
+}
+
+void CreateLevelEditorGadgets()
+{
+  int old_game_status = game_status;
+
+  /* setting 'game_status' is needed to get the right fonts for the editor */
+  game_status = GAME_MODE_EDITOR;
+
+  ReinitializeElementList();
+
+  CreateControlButtons();
+  CreateCounterButtons();
+  CreateDrawingAreas();
+  CreateTextInputGadgets();
+  CreateSelectboxGadgets();
+  CreateTextbuttonGadgets();
+  CreateScrollbarGadgets();
+  CreateCheckbuttonGadgets();
+
+  game_status = old_game_status;
+}
+
+void FreeLevelEditorGadgets()
+{
+  int i;
+
+  for (i=0; i<NUM_EDITOR_GADGETS; i++)
+    FreeGadget(level_editor_gadget[i]);
+}
+
+static void MapCounterButtons(int id)
+{
+  char infotext[MAX_OUTPUT_LINESIZE + 1];
+  int max_infotext_len = getMaxInfoTextLength();
+  int xoffset_above = 0;
+  int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
+  int xoffset_left = 0;
+  int yoffset_left = ED_BORDER_SIZE;
+  int xoffset_right = getCounterGadgetWidth();
+  int yoffset_right = ED_BORDER_SIZE;
+  int x, y;
+
+  if (counterbutton_info[id].text_above)
+  {
+    x = SX + counterbutton_info[id].x + xoffset_above;
+    y = SY + counterbutton_info[id].y + yoffset_above;
+
+    sprintf(infotext, "%s:", counterbutton_info[id].text_above);
+    infotext[max_infotext_len] = '\0';
+    DrawText(x, y, infotext, FONT_TEXT_1);
+  }
+
+  if (counterbutton_info[id].text_left)
+  {
+    x = SX + counterbutton_info[id].x + xoffset_left;
+    y = SY + counterbutton_info[id].y + yoffset_left;
+
+    sprintf(infotext, "%s", counterbutton_info[id].text_left);
+    infotext[max_infotext_len] = '\0';
+    DrawText(x, y, infotext, FONT_TEXT_1);
+  }
+
+  if (counterbutton_info[id].text_right)
+  {
+    int gadget_id = counterbutton_info[id].gadget_id_down;
+
+    x = level_editor_gadget[gadget_id]->x + xoffset_right;
+    y = SY + counterbutton_info[id].y + yoffset_right;
+
+    sprintf(infotext, "%s", counterbutton_info[id].text_right);
+    infotext[max_infotext_len] = '\0';
+    DrawText(x, y, infotext, FONT_TEXT_1);
+  }
+
+  ModifyEditorCounter(id, *counterbutton_info[id].value);
+
+  MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_down]);
+  MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_text]);
+  MapGadget(level_editor_gadget[counterbutton_info[id].gadget_id_up]);
+}
+
+static void MapControlButtons()
+{
+  int counter_id;
+  int i;
+
+  /* map toolbox buttons */
+  for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
+    MapGadget(level_editor_gadget[i]);
+
+  /* map buttons to select elements */
+  for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
+    MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
+  MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
+  MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
+  MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
+
+  /* map buttons to select level */
+  counter_id = ED_COUNTER_ID_SELECT_LEVEL;
+  ModifyEditorCounterLimits(counter_id,
+			    leveldir_current->first_level,
+			    leveldir_current->last_level);
+  MapCounterButtons(counter_id);
+}
+
+static void MapDrawingArea(int id)
+{
+  MapGadget(level_editor_gadget[id]);
+}
+
+static void MapTextInputGadget(int id)
+{
+  char infotext[MAX_OUTPUT_LINESIZE + 1];
+  int max_infotext_len = getMaxInfoTextLength();
+  int xoffset_above = 0;
+  int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
+  int x = textinput_info[id].x + xoffset_above;
+  int y = textinput_info[id].y + yoffset_above;
+
+  sprintf(infotext, "%s:", textinput_info[id].infotext);
+  infotext[max_infotext_len] = '\0';
+  DrawTextF(x, y, FONT_TEXT_1, infotext);
+
+  ModifyGadget(level_editor_gadget[textinput_info[id].gadget_id],
+	       GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
+
+  MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
+}
+
+static void MapSelectboxGadget(int id)
+{
+  int xoffset_left = 0;
+  int yoffset_left = ED_BORDER_SIZE;
+  int xoffset_right = ED_GADGET_TEXT_DISTANCE;
+  int yoffset_right = ED_BORDER_SIZE;
+  int x = selectbox_info[id].x + xoffset_left;
+  int y = selectbox_info[id].y + yoffset_left;
+
+  DrawTextF(x, y, FONT_TEXT_1, selectbox_info[id].text_left);
+
+  if (selectbox_info[id].text_right)
+  {
+    struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
+
+    x = gi->x + gi->width + xoffset_right;
+    y = SY + selectbox_info[id].y + yoffset_right;
+
+    DrawText(x, y, selectbox_info[id].text_right, FONT_TEXT_1);
+  }
+
+  ModifyEditorSelectbox(id, *selectbox_info[id].value);
+
+  MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
+}
+
+static void MapTextbuttonGadget(int id)
+{
+  MapGadget(level_editor_gadget[textbutton_info[id].gadget_id]);
+}
+
+static void MapRadiobuttonGadget(int id)
+{
+  int xoffset_right = ED_XOFFSET_CHECKBOX;
+  int yoffset_right = ED_BORDER_SIZE;
+  int x = radiobutton_info[id].x + xoffset_right;
+  int y = radiobutton_info[id].y + yoffset_right;
+  boolean checked =
+    (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
+
+  DrawTextF(x, y, FONT_TEXT_1, radiobutton_info[id].text_right);
+  ModifyGadget(level_editor_gadget[radiobutton_info[id].gadget_id],
+	       GDI_CHECKED, checked, GDI_END);
+
+  MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
+}
+
+static void MapCheckbuttonGadget(int id)
+{
+  int xoffset_right = ED_XOFFSET_CHECKBOX;
+  int yoffset_right = ED_BORDER_SIZE;
+  int x = checkbutton_info[id].x + xoffset_right;
+  int y = checkbutton_info[id].y + yoffset_right;
+
+  DrawTextF(x, y, FONT_TEXT_1, checkbutton_info[id].text_right);
+  ModifyGadget(level_editor_gadget[checkbutton_info[id].gadget_id],
+	       GDI_CHECKED, *checkbutton_info[id].value,
+	       GDI_Y, SY + checkbutton_info[id].y, GDI_END);
+
+  MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
+}
+
+static void MapMainDrawingArea()
+{
+  boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
+  boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
+  int i;
+
+  for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i<=ED_SCROLLBUTTON_ID_AREA_LAST; i++)
+  {
+    if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
+	  i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
+	 no_horizontal_scrollbar) ||
+	((i == ED_SCROLLBUTTON_ID_AREA_UP ||
+	  i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
+	 no_vertical_scrollbar))
+      continue;
+
+    MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
+  }
+
+  for (i=ED_SCROLLBAR_ID_AREA_FIRST; i<=ED_SCROLLBAR_ID_AREA_LAST; i++)
+  {
+    if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
+	(i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
+      continue;
+
+    MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
+  }
+
+  MapDrawingArea(GADGET_ID_DRAWING_LEVEL);
+}
+
+static void UnmapDrawingArea(int id)
+{
+  UnmapGadget(level_editor_gadget[id]);
+}
+
+void UnmapLevelEditorWindowGadgets()
+{
+  int i;
+
+  for (i=0; i<NUM_EDITOR_GADGETS; i++)
+    if (level_editor_gadget[i]->x < SX + SXSIZE)
+      UnmapGadget(level_editor_gadget[i]);
+}
+
+void UnmapLevelEditorGadgets()
+{
+  int i;
+
+  for (i=0; i<NUM_EDITOR_GADGETS; i++)
+    UnmapGadget(level_editor_gadget[i]);
+}
+
+static void ResetUndoBuffer()
+{
+  undo_buffer_position = -1;
+  undo_buffer_steps = -1;
+  CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
+}
+
+static void DrawEditModeWindow()
+{
+  if (edit_mode == ED_MODE_INFO)
+    DrawLevelInfoWindow();
+  else if (edit_mode == ED_MODE_PROPERTIES)
+    DrawPropertiesWindow();
+  else	/* edit_mode == ED_MODE_DRAWING */
+    DrawDrawingWindow();
+}
+
+static boolean LevelChanged()
+{
+  boolean level_changed = FALSE;
+  int x, y;
+
+  for(y=0; y<lev_fieldy; y++) 
+    for(x=0; x<lev_fieldx; x++)
+      if (Feld[x][y] != Ur[x][y])
+	level_changed = TRUE;
+
+  return level_changed;
+}
+
+static boolean LevelContainsPlayer()
+{
+  boolean player_found = FALSE;
+  int x, y;
+
+  for(y=0; y<lev_fieldy; y++) 
+    for(x=0; x<lev_fieldx; x++)
+      if (Feld[x][y] == EL_PLAYER_1 ||
+	  Feld[x][y] == EL_SP_MURPHY) 
+	player_found = TRUE;
+
+  return player_found;
+}
+
+static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
+			  short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
+{
+  int x, y;
+
+  for(x=0; x<lev_fieldx; x++)
+    for(y=0; y<lev_fieldy; y++) 
+      dst[x][y] = src[x][y];
+}
+
+static void CopyCustomElementPropertiesToEditor(int element)
+{
+  int i;
+
+  /* needed here to initialize combined element properties */
+  InitElementPropertiesEngine(level.game_version);
+
+  custom_element = element_info[properties_element];
+
+  for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
+    custom_element_properties[i] = HAS_PROPERTY(element, i);
+
+  for (i=0; i < NUM_CHANGE_EVENTS; i++)
+    custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
+
+  /* ---------- element settings: configure (custom elements) ------------- */
+
+  /* set accessible layer selectbox help value */
+  custom_element.access_type =
+    (IS_WALKABLE(element) ? EP_WALKABLE :
+     IS_PASSABLE(element) ? EP_PASSABLE :
+     custom_element.access_type);
+  custom_element.access_layer =
+    (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
+     IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
+     IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
+     custom_element.access_layer);
+  custom_element_properties[EP_ACCESSIBLE] =
+    (IS_ACCESSIBLE_OVER(element) ||
+     IS_ACCESSIBLE_INSIDE(element) ||
+     IS_ACCESSIBLE_UNDER(element));
+
+  /* set walk-to-object action selectbox help value */
+  custom_element.walk_to_action =
+    (IS_DIGGABLE(element) ? EP_DIGGABLE :
+     IS_COLLECTIBLE(element) ? EP_COLLECTIBLE :
+     IS_PUSHABLE(element) ? EP_PUSHABLE :
+     custom_element.walk_to_action);
+  custom_element_properties[EP_WALK_TO_OBJECT] =
+    (IS_DIGGABLE(element) ||
+     IS_COLLECTIBLE(element) ||
+     IS_PUSHABLE(element));
+
+  /* set smash targets selectbox help value */
+  custom_element.smash_targets =
+    (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
+     CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
+     CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
+     custom_element.smash_targets);
+  custom_element_properties[EP_CAN_SMASH] =
+    (CAN_SMASH_EVERYTHING(element) ||
+     CAN_SMASH_ENEMIES(element) ||
+     CAN_SMASH_PLAYER(element));
+
+  /* set deadliness selectbox help value */
+  custom_element.deadliness =
+    (DONT_TOUCH(element) ? EP_DONT_TOUCH :
+     DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
+     DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
+     custom_element.deadliness);
+  custom_element_properties[EP_DEADLY] =
+    (DONT_TOUCH(element) ||
+     DONT_COLLIDE_WITH(element) ||
+     DONT_RUN_INTO(element));
+
+  /* set consistency selectbox help value */
+  custom_element.consistency =
+    (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
+     CAN_EXPLODE(element) ? EP_CAN_EXPLODE :
+     custom_element.consistency);
+  custom_element_properties[EP_EXPLODE_RESULT] =
+    (IS_INDESTRUCTIBLE(element) ||
+     CAN_EXPLODE(element));
+
+  /* special case: sub-settings dependent from main setting */
+  if (CAN_EXPLODE_BY_FIRE(element))
+    custom_element.can_explode_by_fire = TRUE;
+  if (CAN_EXPLODE_SMASHED(element))
+    custom_element.can_explode_smashed = TRUE;
+  if (CAN_EXPLODE_IMPACT(element))
+    custom_element.can_explode_impact  = TRUE;
+
+  /* ---------- element settings: advanced (custom elements) --------------- */
+
+  /* set change by player selectbox help value */
+  custom_element.change_player_action =
+    (HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
+     HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
+     HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
+     custom_element.change_player_action);
+
+  /* set change by collision selectbox help value */
+  custom_element.change_collide_action =
+    (HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
+     HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
+     HAS_CHANGE_EVENT(element, CE_COLLISION) ? CE_COLLISION :
+     custom_element.change_collide_action);
+
+  /* set change by other element action selectbox help value */
+  custom_element.change_other_action =
+    (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_COLLECTED) ? CE_OTHER_GETS_COLLECTED :
+     HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PUSHED) ? CE_OTHER_GETS_PUSHED :
+     HAS_CHANGE_EVENT(element, CE_OTHER_GETS_PRESSED) ? CE_OTHER_GETS_PRESSED :
+     HAS_CHANGE_EVENT(element, CE_OTHER_GETS_TOUCHED) ? CE_OTHER_GETS_TOUCHED :
+     HAS_CHANGE_EVENT(element, CE_OTHER_IS_EXPLODING) ? CE_OTHER_IS_EXPLODING :
+     HAS_CHANGE_EVENT(element, CE_OTHER_IS_CHANGING) ? CE_OTHER_IS_CHANGING :
+     HAS_CHANGE_EVENT(element, CE_OTHER_IS_TOUCHING) ? CE_OTHER_IS_TOUCHING :
+     custom_element.change_other_action);
+}
+
+static void CopyCustomElementPropertiesToGame(int element)
+{
+  int i;
+  int access_type_and_layer;
+
+  element_info[properties_element] = custom_element;
+
+  /* ---------- element settings: configure (custom elements) ------------- */
+
+  /* set accessible property from checkbox and selectbox */
+  custom_element_properties[EP_WALKABLE_OVER] = FALSE;
+  custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
+  custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
+  custom_element_properties[EP_PASSABLE_OVER] = FALSE;
+  custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
+  custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
+  access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
+			    EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
+			   (custom_element.access_layer - EP_ACCESSIBLE_OVER));
+  custom_element_properties[access_type_and_layer] =
+    custom_element_properties[EP_ACCESSIBLE];
+
+  /* set walk-to-object property from checkbox and selectbox */
+  custom_element_properties[EP_DIGGABLE] = FALSE;
+  custom_element_properties[EP_COLLECTIBLE] = FALSE;
+  custom_element_properties[EP_PUSHABLE] = FALSE;
+  custom_element_properties[custom_element.walk_to_action] =
+    custom_element_properties[EP_WALK_TO_OBJECT];
+
+  /* set smash property from checkbox and selectbox */
+  custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
+  custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
+  custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
+  custom_element_properties[custom_element.smash_targets] =
+    custom_element_properties[EP_CAN_SMASH];
+
+  /* set deadliness property from checkbox and selectbox */
+  custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
+  custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
+  custom_element_properties[EP_DONT_TOUCH] = FALSE;
+  custom_element_properties[custom_element.deadliness] =
+    custom_element_properties[EP_DEADLY];
+
+  /* set consistency property from checkbox and selectbox */
+  custom_element_properties[EP_INDESTRUCTIBLE] = FALSE;
+  custom_element_properties[EP_CAN_EXPLODE] = FALSE;
+  custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] = FALSE;
+  custom_element_properties[EP_CAN_EXPLODE_SMASHED] = FALSE;
+  custom_element_properties[EP_CAN_EXPLODE_IMPACT] = FALSE;
+  custom_element_properties[custom_element.consistency] =
+    custom_element_properties[EP_EXPLODE_RESULT];
+
+  /* special case: sub-settings dependent from main setting */
+  if (custom_element_properties[EP_CAN_EXPLODE])
+  {
+    custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
+      custom_element.can_explode_by_fire;
+    custom_element_properties[EP_CAN_EXPLODE_SMASHED] =
+      custom_element.can_explode_smashed;
+    custom_element_properties[EP_CAN_EXPLODE_IMPACT] =
+      custom_element.can_explode_impact;
+  }
+
+  /* ---------- element settings: advanced (custom elements) --------------- */
+
+  /* set player change event from checkbox and selectbox */
+  custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
+  custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
+  custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
+  custom_element_change_events[custom_element.change_player_action] =
+    custom_element_change_events[CE_BY_PLAYER];
+
+  /* set collision change event from checkbox and selectbox */
+  custom_element_change_events[CE_COLLISION] = FALSE;
+  custom_element_change_events[CE_IMPACT] = FALSE;
+  custom_element_change_events[CE_SMASHED] = FALSE;
+  custom_element_change_events[custom_element.change_collide_action] =
+    custom_element_change_events[CE_BY_COLLISION];
+
+  /* set other element action change event from checkbox and selectbox */
+  custom_element_change_events[CE_OTHER_IS_TOUCHING] = FALSE;
+  custom_element_change_events[CE_OTHER_IS_CHANGING] = FALSE;
+  custom_element_change_events[CE_OTHER_IS_EXPLODING] = FALSE;
+  custom_element_change_events[CE_OTHER_GETS_TOUCHED] = FALSE;
+  custom_element_change_events[CE_OTHER_GETS_PRESSED] = FALSE;
+  custom_element_change_events[CE_OTHER_GETS_PUSHED] = FALSE;
+  custom_element_change_events[CE_OTHER_GETS_COLLECTED] = FALSE;
+  custom_element_change_events[custom_element.change_other_action] =
+    custom_element_change_events[CE_BY_OTHER];
+
+  for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
+    SET_PROPERTY(element, i, custom_element_properties[i]);
+
+  for (i=0; i < NUM_CHANGE_EVENTS; i++)
+    SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
+
+  /* copy change events also to special level editor variable */
+  custom_element = element_info[properties_element];
+}
+
+void DrawLevelEd()
+{
+  CloseDoor(DOOR_CLOSE_ALL);
+  OpenDoor(DOOR_OPEN_2 | DOOR_NO_DELAY);
+
+  if (level_editor_test_game)
+  {
+    CopyPlayfield(Ur, Feld);
+    CopyPlayfield(FieldBackup, Ur);
+
+    level_editor_test_game = FALSE;
+  }
+  else
+  {
+    edit_mode = ED_MODE_DRAWING;
+    edit_mode_properties = ED_MODE_PROPERTIES_INFO;
+
+    ResetUndoBuffer();
+
+    level_xpos = -1;
+    level_ypos = -1;
+  }
+
+  /* copy default editor door content to main double buffer */
+  BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
+	     DOOR_GFX_PAGEX6, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE, DX, DY);
+
+  /* draw mouse button brush elements */
+  DrawMiniGraphicExt(drawto,
+		     DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
+		     el2edimg(new_element1));
+  DrawMiniGraphicExt(drawto,
+		     DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
+		     el2edimg(new_element2));
+  DrawMiniGraphicExt(drawto,
+		     DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
+		     el2edimg(new_element3));
+
+  /* draw bigger door */
+  DrawSpecialEditorDoor();
+
+  /* draw new control window */
+  BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
+	     DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
+
+  redraw_mask |= REDRAW_ALL;
+
+  ReinitializeElementListButtons();	/* only needed after setup changes */
+  ModifyEditorElementList();		/* may be needed for custom elements */
+
+  UnmapTapeButtons();
+  MapControlButtons();
+
+  /* copy actual editor door content to door double buffer for OpenDoor() */
+  BlitBitmap(drawto, bitmap_db_door,
+	     DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
+
+  DrawEditModeWindow();
+
+  OpenDoor(DOOR_OPEN_1);
+}
+
+static void AdjustDrawingAreaGadgets()
+{
+  int ed_xsize = lev_fieldx + 2;
+  int ed_ysize = lev_fieldy + 2;
+  int max_ed_fieldx = MAX_ED_FIELDX;
+  int max_ed_fieldy = MAX_ED_FIELDY;
+  boolean horizontal_scrollbar_needed;
+  boolean vertical_scrollbar_needed;
+  int x, y, width, height;
+  int xoffset, yoffset;
+
+  /* check if we need any scrollbars */
+  horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
+  vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
+
+  /* check if we have a smaller editor field because of scrollbars */
+  if (horizontal_scrollbar_needed)
+    max_ed_fieldy = MAX_ED_FIELDY - 1;
+  if (vertical_scrollbar_needed)
+    max_ed_fieldx = MAX_ED_FIELDX - 1;
+
+  /* check again if we now need more scrollbars because of less space */
+  horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
+  vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
+
+  /* check if editor field gets even smaller after adding new scrollbars */
+  if (horizontal_scrollbar_needed)
+    max_ed_fieldy = MAX_ED_FIELDY - 1;
+  if (vertical_scrollbar_needed)
+    max_ed_fieldx = MAX_ED_FIELDX - 1;
+
+  ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
+  ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
+
+  ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
+	       GDI_WIDTH, ed_fieldx * MINI_TILEX,
+	       GDI_HEIGHT, ed_fieldy * MINI_TILEY,
+	       GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
+	       GDI_END);
+
+  xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
+  yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
+
+  x = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
+  y = SX + scrollbutton_info[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
+
+  ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
+  ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
+
+  width = scrollbar_info[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
+  height = scrollbar_info[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
+
+  ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
+	       GDI_WIDTH, width,
+	       GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
+	       GDI_END);
+  ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
+	       GDI_HEIGHT, height,
+	       GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
+	       GDI_END);
+}
+
+static void AdjustLevelScrollPosition()
+{
+  if (level_xpos < -1)
+    level_xpos = -1;
+  if (level_xpos > lev_fieldx - ed_fieldx + 1)
+    level_xpos = lev_fieldx - ed_fieldx + 1;
+  if (lev_fieldx < ed_fieldx - 2)
+    level_xpos = -1;
+
+  if (level_ypos < -1)
+    level_ypos = -1;
+  if (level_ypos > lev_fieldy - ed_fieldy + 1)
+    level_ypos = lev_fieldy - ed_fieldy + 1;
+  if (lev_fieldy < ed_fieldy - 2)
+    level_ypos = -1;
+}
+
+static void AdjustEditorScrollbar(int id)
+{
+  struct GadgetInfo *gi = level_editor_gadget[id];
+  int items_max, items_visible, item_position;
+
+  if (id == GADGET_ID_SCROLL_HORIZONTAL)
+  {
+    items_max = MAX(lev_fieldx + 2, ed_fieldx);
+    items_visible = ed_fieldx;
+    item_position = level_xpos + 1;
+  }
+  else
+  {
+    items_max = MAX(lev_fieldy + 2, ed_fieldy);
+    items_visible = ed_fieldy;
+    item_position = level_ypos + 1;
+  }
+
+  if (item_position > items_max - items_visible)
+    item_position = items_max - items_visible;
+
+  ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
+	       GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
+}
+
+static void ModifyEditorCounter(int counter_id, int new_value)
+{
+  int *counter_value = counterbutton_info[counter_id].value;
+  int gadget_id = counterbutton_info[counter_id].gadget_id_text;
+  struct GadgetInfo *gi = level_editor_gadget[gadget_id];
+
+  ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
+
+  if (counter_value != NULL)
+    *counter_value = gi->text.number_value;
+}
+
+static void ModifyEditorCounterLimits(int counter_id, int min, int max)
+{
+  int gadget_id = counterbutton_info[counter_id].gadget_id_text;
+  struct GadgetInfo *gi = level_editor_gadget[gadget_id];
+
+  ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
+}
+
+static void ModifyEditorSelectbox(int selectbox_id, int new_value)
+{
+  int gadget_id = selectbox_info[selectbox_id].gadget_id;
+  struct GadgetInfo *gi = level_editor_gadget[gadget_id];
+  int new_index_value = 0;
+  int i;
+
+  for(i=0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
+    if (selectbox_info[selectbox_id].options[i].value == new_value)
+      new_index_value = i;
+
+  *selectbox_info[selectbox_id].value =
+    selectbox_info[selectbox_id].options[new_index_value].value;
+
+  ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
+}
+
+static void ModifyEditorElementList()
+{
+  int i;
+
+  for (i=0; i<ED_NUM_ELEMENTLIST_BUTTONS; i++)
+  {
+    int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
+    struct GadgetInfo *gi = level_editor_gadget[gadget_id];
+    struct GadgetDesign *gd = &gi->deco.design;
+    int element = editor_elements[element_shift + i];
+
+    UnmapGadget(gi);
+    getMiniGraphicSource(el2edimg(element), &gd->bitmap, &gd->x, &gd->y);
+    ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
+    MapGadget(gi);
+  }
+}
+
+static void PickDrawingElement(int button, int element)
+{
+  if (button < 1 || button > 3)
+    return;
+
+  if (button == 1)
+  {
+    new_element1 = element;
+    DrawMiniGraphicExt(drawto,
+		       DX + ED_WIN_MB_LEFT_XPOS, DY + ED_WIN_MB_LEFT_YPOS,
+		       el2edimg(new_element1));
+  }
+  else if (button == 2)
+  {
+    new_element2 = element;
+    DrawMiniGraphicExt(drawto,
+		       DX + ED_WIN_MB_MIDDLE_XPOS, DY + ED_WIN_MB_MIDDLE_YPOS,
+		       el2edimg(new_element2));
+  }
+  else
+  {
+    new_element3 = element;
+    DrawMiniGraphicExt(drawto,
+		       DX + ED_WIN_MB_RIGHT_XPOS, DY + ED_WIN_MB_RIGHT_YPOS,
+		       el2edimg(new_element3));
+  }
+
+  redraw_mask |= REDRAW_DOOR_1;
+}
+
+static void RedrawDrawingElements()
+{
+  PickDrawingElement(1, new_element1);
+  PickDrawingElement(2, new_element2);
+  PickDrawingElement(3, new_element3);
+}
+
+static void DrawDrawingWindow()
+{
+  stick_element_properties_window = FALSE;
+
+  SetMainBackgroundImage(IMG_UNDEFINED);
+  ClearWindow();
+  UnmapLevelEditorWindowGadgets();
+
+  AdjustDrawingAreaGadgets();
+  AdjustLevelScrollPosition();
+  AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
+  AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
+
+  DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
+  MapMainDrawingArea();
+}
+
+static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
+			      boolean input)
+{
+  int border_graphic =
+    (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
+  Bitmap *src_bitmap;
+  int src_x, src_y;
+  int num_mini_tilex = width / MINI_TILEX + 1;
+  int num_mini_tiley = width / MINI_TILEY + 1;
+  int x, y;
+
+  getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
+
+  for (y=0; y < num_mini_tiley; y++)
+    for (x=0; x < num_mini_tilex; x++)
+      BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
+		 dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
+		 dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
+
+  ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
+}
+
+static void DrawRandomPlacementBackgroundArea()
+{
+  int area_x = ED_AREA_RANDOM_BACKGROUND_XPOS / MINI_TILEX;
+  int area_y = ED_AREA_RANDOM_BACKGROUND_YPOS / MINI_TILEY;
+  int area_sx = SX + ED_AREA_RANDOM_BACKGROUND_XPOS;
+  int area_sy = SY + ED_AREA_RANDOM_BACKGROUND_YPOS;
+
+  DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
+  DrawMiniElement(area_x, area_y, random_placement_background_element);
+
+  MapDrawingArea(GADGET_ID_RANDOM_BACKGROUND);
+}
+
+static void DrawLevelInfoWindow()
+{
+  int i;
+
+  stick_element_properties_window = FALSE;
+
+  SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
+  ClearWindow();
+  UnmapLevelEditorWindowGadgets();
+
+  DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
+	   "Level Settings", FONT_TITLE_1);
+  DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS2_YPOS,
+	   "Editor Settings", FONT_TITLE_1);
+
+  /* draw counter gadgets */
+  for (i=ED_COUNTER_ID_LEVEL_FIRST; i<=ED_COUNTER_ID_LEVEL_LAST; i++)
+    MapCounterButtons(i);
+
+  /* draw checkbutton gadgets */
+  for (i=ED_CHECKBUTTON_ID_LEVEL_FIRST; i<=ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
+    MapCheckbuttonGadget(i);
+
+  /* draw radiobutton gadgets */
+  for (i=ED_RADIOBUTTON_ID_LEVEL_FIRST; i<=ED_RADIOBUTTON_ID_LEVEL_LAST; i++)
+    MapRadiobuttonGadget(i);
+
+  /* draw text input gadgets */
+  for (i=ED_TEXTINPUT_ID_LEVEL_FIRST; i<=ED_TEXTINPUT_ID_LEVEL_LAST; i++)
+    MapTextInputGadget(i);
+
+  /* draw drawing area */
+  DrawRandomPlacementBackgroundArea();
+}
+
+static void DrawAmoebaContentArea()
+{
+  int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
+  int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
+  int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
+  int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
+
+  DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
+  DrawMiniElement(area_x, area_y, level.amoeba_content);
+
+  DrawText(area_sx + TILEX, area_sy + 1, "Content of amoeba", FONT_TEXT_1);
+
+  MapDrawingArea(GADGET_ID_AMOEBA_CONTENT);
+}
+
+static void DrawCustomGraphicElementArea()
+{
+  struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_GRAPHIC];
+  int xpos = ED_AREA_ELEM_CONTENT3_XPOS;
+  int ypos = ED_AREA_ELEM_CONTENT3_YPOS;
+  int area_sx = SX + xpos;
+  int area_sy = SY + ypos;
+
+  if (!IS_CUSTOM_ELEMENT(properties_element))
+  {
+    /* this should never happen */
+    Error(ERR_WARN, "element %d is no custom element", properties_element);
+
+    return;
+  }
+
+  DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
+  DrawMiniGraphicExt(drawto, gi->x, gi->y,
+		     el2edimg(custom_element.gfx_element));
+
+  MapDrawingArea(GADGET_ID_CUSTOM_GRAPHIC);
+}
+
+static void DrawCustomContentArea()
+{
+  struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CONTENT];
+  int area_sx = SX + ED_AREA_ELEM_CONTENT4_XPOS;
+  int area_sy = SY + ED_AREA_ELEM_CONTENT4_YPOS;
+  int x, y;
+
+  if (!IS_CUSTOM_ELEMENT(properties_element))
+  {
+    /* this should never happen */
+    Error(ERR_WARN, "element %d is no custom element", properties_element);
+
+    return;
+  }
+
+  DrawElementBorder(area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
+
+  for (y=0; y<3; y++)
+    for (x=0; x<3; x++)
+      DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
+			 el2edimg(custom_element.content[x][y]));
+
+  MapDrawingArea(GADGET_ID_CUSTOM_CONTENT);
+}
+
+static void DrawCustomChangeTargetArea()
+{
+  struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TARGET];
+  int xpos = ED_AREA_ELEM_CONTENT2_XPOS;
+  int ypos = ED_AREA_ELEM_CONTENT2_YPOS;
+  int area_sx = SX + xpos;
+  int area_sy = SY + ypos;
+
+  if (!IS_CUSTOM_ELEMENT(properties_element))
+  {
+    /* this should never happen */
+    Error(ERR_WARN, "element %d is no custom element", properties_element);
+
+    return;
+  }
+
+  DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
+  DrawMiniGraphicExt(drawto, gi->x, gi->y,
+		     el2edimg(custom_element.change.target_element));
+
+  MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TARGET);
+}
+
+static void DrawCustomChangeContentArea()
+{
+  struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_CONTENT];
+  int area_sx = SX + ED_AREA_ELEM_CONTENT6_XPOS;
+  int area_sy = SY + ED_AREA_ELEM_CONTENT6_YPOS;
+  int x, y;
+
+  if (!IS_CUSTOM_ELEMENT(properties_element))
+  {
+    /* this should never happen */
+    Error(ERR_WARN, "element %d is no custom element", properties_element);
+
+    return;
+  }
+
+  DrawElementBorder(area_sx, area_sy, 3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
+
+  for (y=0; y<3; y++)
+    for (x=0; x<3; x++)
+      DrawMiniGraphicExt(drawto, gi->x + x * MINI_TILEX,gi->y + y * MINI_TILEY,
+			 el2edimg(custom_element.change.content[x][y]));
+
+  MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_CONTENT);
+}
+
+static void DrawCustomChangeTriggerArea()
+{
+  struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TRIGGER];
+  int xpos = ED_AREA_ELEM_CONTENT5_XPOS;
+  int ypos = ED_AREA_ELEM_CONTENT5_YPOS;
+  int area_sx = SX + xpos;
+  int area_sy = SY + ypos;
+
+  if (!IS_CUSTOM_ELEMENT(properties_element))
+  {
+    /* this should never happen */
+    Error(ERR_WARN, "element %d is no custom element", properties_element);
+
+    return;
+  }
+
+  DrawElementBorder(area_sx, area_sy, MINI_TILEX, MINI_TILEY, TRUE);
+  DrawMiniGraphicExt(drawto, gi->x, gi->y,
+		     el2edimg(custom_element.change.trigger_element));
+
+  MapDrawingArea(GADGET_ID_CUSTOM_CHANGE_TRIGGER);
+}
+
+static void DrawElementContentAreas()
+{
+  int area_x = ED_AREA_ELEM_CONTENT_XPOS / MINI_TILEX;
+  int area_y = ED_AREA_ELEM_CONTENT_YPOS / MINI_TILEY;
+  int area_sx = SX + ED_AREA_ELEM_CONTENT_XPOS;
+  int area_sy = SY + ED_AREA_ELEM_CONTENT_YPOS;
+  int i, x, y;
+
+  for (i=0; i<MAX_ELEMENT_CONTENTS; i++)
+    UnmapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
+
+  /* display counter to choose number of element content areas */
+  MapCounterButtons(ED_COUNTER_ID_ELEMENT_CONTENT);
+
+  /* delete content areas in case of reducing number of them */
+  DrawBackground(SX, area_sy - MINI_TILEX, SXSIZE, 12 * MINI_TILEY);
+
+  for (i=0; i<level.num_yamyam_contents; i++)
+    DrawElementBorder(area_sx + 5 * (i % 4) * MINI_TILEX,
+		      area_sy + 6 * (i / 4) * MINI_TILEY,
+		      3 * MINI_TILEX, 3 * MINI_TILEY, TRUE);
+
+  DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 0 * MINI_TILEY + 1,
+	   "Content", FONT_TEXT_1);
+  DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 1 * MINI_TILEY + 1,
+	   "when",    FONT_TEXT_1);
+  DrawText(area_sx + (5 * 4 - 1) * MINI_TILEX, area_sy + 2 * MINI_TILEY + 1,
+	   "smashed", FONT_TEXT_1);
+
+  for (i=0; i<level.num_yamyam_contents; i++)
+  {
+    for (y=0; y<3; y++)
+      for (x=0; x<3; x++)
+	DrawMiniElement(area_x + 5 * (i % 4) + x, area_y + 6 * (i / 4) + y,
+			level.yamyam_content[i][x][y]);
+
+    DrawTextF(area_sx - SX + 5 * (i % 4) * MINI_TILEX + MINI_TILEX + 1,
+	      area_sy - SY + 6 * (i / 4) * MINI_TILEY + 4 * MINI_TILEY - 4,
+	      FONT_TEXT_1, "%d", i + 1);
+  }
+
+  for (i=0; i<level.num_yamyam_contents; i++)
+    MapDrawingArea(GADGET_ID_ELEMENT_CONTENT_0 + i);
+}
+
+char *getElementDescriptionFilename(int element)
+{
+  char *docs_dir = options.docs_directory;
+  char *elements_subdir = "elements";
+  static char *filename = NULL;
+  char basename[MAX_FILENAME_LEN];
+
+  if (filename != NULL)
+    free(filename);
+
+  /* 1st try: look for element description file for exactly this element */
+  sprintf(basename, "%s.txt", element_info[element].token_name);
+  filename = getPath3(docs_dir, elements_subdir, basename);
+  if (fileExists(filename))
+    return filename;
+
+  free(filename);
+
+  /* 2nd try: look for element description file for this element's class */
+  sprintf(basename, "%s.txt", element_info[element].class_name);
+  filename = getPath3(docs_dir, elements_subdir, basename);
+  if (fileExists(filename))
+    return filename;
+
+  return NULL;
+}
+
+static boolean PrintInfoText(char *text, int font_nr, int screen_line)
+{
+  int font_height = getFontHeight(font_nr);
+  int pad_x = ED_SETTINGS_XPOS(0);
+  int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
+  int sx = SX + pad_x;
+  int sy = SY + pad_y;
+  int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
+
+  if (screen_line >= max_lines_per_screen)
+    return FALSE;
+
+  DrawText(sx, sy + screen_line * font_height, text, font_nr);
+
+  return TRUE;
+}
+
+static int PrintElementDescriptionFromFile(char *filename, int screen_line)
+{
+  int font_nr = FONT_TEXT_2;
+  int font_width = getFontWidth(font_nr);
+  int pad_x = ED_SETTINGS_XPOS(0);
+  int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
+  char line[MAX_LINE_LEN];
+  char buffer[max_chars_per_line + 1];
+  int buffer_len;
+  int lines_printed = 0;
+  FILE *file;
+
+  if (filename == NULL)
+    return 0;
+
+  if (!(file = fopen(filename, MODE_READ)))
+    return 0;
+
+  buffer[0] = '\0';
+  buffer_len = 0;
+
+  while(!feof(file))
+  {
+    char *line_ptr, *word_ptr;
+    boolean last_line_was_empty = TRUE;
+
+    /* read next line of input file */
+    if (!fgets(line, MAX_LINE_LEN, file))
+      break;
+
+    /* skip comments (lines directly beginning with '#') */
+    if (line[0] == '#')
+      continue;
+
+    /* cut trailing newline from input line */
+    for (line_ptr = line; *line_ptr; line_ptr++)
+    {
+      if (*line_ptr == '\n' || *line_ptr == '\r')
+      {
+	*line_ptr = '\0';
+	break;
+      }
+    }
+
+    if (strlen(line) == 0)		/* special case: force empty line */
+      strcpy(line, "\n");
+
+    word_ptr = line;
+
+    while (*word_ptr)
+    {
+      boolean print_buffer = FALSE;
+      int word_len;
+
+      /* skip leading whitespaces */
+      while (*word_ptr == ' ' || *word_ptr == '\t')
+	word_ptr++;
+
+      line_ptr = word_ptr;
+      word_len = 0;
+
+      /* look for end of next word */
+      while (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
+      {
+	line_ptr++;
+	word_len++;
+      }
+
+      if (word_len == 0)
+      {
+	continue;
+      }
+      else if (*word_ptr == '\n')	/* special case: force empty line */
+      {
+	if (buffer_len == 0)
+	  word_ptr++;
+
+	/* prevent printing of multiple empty lines */
+	if (buffer_len > 0 || !last_line_was_empty)
+	  print_buffer = TRUE;
+      }
+      else if (word_len < max_chars_per_line - buffer_len)
+      {
+	/* word fits into text buffer -- add word */
+
+	if (buffer_len > 0)
+	  buffer[buffer_len++] = ' ';
+
+	strncpy(&buffer[buffer_len], word_ptr, word_len);
+	buffer_len += word_len;
+	buffer[buffer_len] = '\0';
+	word_ptr += word_len;
+      }
+      else if (buffer_len > 0)
+      {
+	/* not enough space left for word in text buffer -- print buffer */
+
+	print_buffer = TRUE;
+      }
+      else
+      {
+	/* word does not fit at all into empty text buffer -- cut word */
+
+	strncpy(buffer, word_ptr, max_chars_per_line);
+	buffer[max_chars_per_line] = '\0';
+	word_ptr += max_chars_per_line;
+	print_buffer = TRUE;
+      }
+
+      if (print_buffer)
+      {
+	if (!PrintInfoText(buffer, font_nr, screen_line + lines_printed))
+	  return lines_printed;
+
+	last_line_was_empty = (buffer_len == 0);
+	lines_printed++;
+
+	buffer[0] = '\0';
+	buffer_len = 0;
+	print_buffer = FALSE;
+      }
+    }
+  }
+
+  fclose(file);
+
+  if (buffer_len > 0)
+    if (PrintInfoText(buffer, font_nr, screen_line + lines_printed))
+      lines_printed++;
+
+  return lines_printed;
+}
+
+static void DrawPropertiesTabulatorGadgets()
+{
+  struct GadgetInfo *gd_gi = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
+  struct GadgetDesign *gd = &gd_gi->alt_design[GD_BUTTON_UNPRESSED];
+  int gd_x = gd->x + gd_gi->border.width / 2;
+  int gd_y = gd->y + gd_gi->height - 1;
+  Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
+  int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
+  int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
+  int i;
+
+  /* draw additional "advanced" tabulator for custom elements */
+  if (IS_CUSTOM_ELEMENT(properties_element))
+    id_last = ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED;
+
+  for (i=id_first; i <= id_last; i++)
+  {
+    int gadget_id = textbutton_info[i].gadget_id;
+    struct GadgetInfo *gi = level_editor_gadget[gadget_id];
+    boolean active = (i != edit_mode_properties);
+
+    /* draw background line below tabulator button */
+    ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width,1);
+
+    /* draw solid line below inactive tabulator buttons */
+    if (!active && tab_color != BLACK_PIXEL)	/* black => transparent */
+      FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,1, tab_color);
+
+    ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
+    MapTextbuttonGadget(i);
+  }
+
+  /* draw little border line below tabulator buttons */
+  if (tab_color != BLACK_PIXEL)			/* black => transparent */
+    FillRectangle(drawto, gd_gi->x, gd_gi->y + gd_gi->height + 1,
+		  3 * gd_gi->width + 2 * ED_GADGET_DISTANCE,
+		  ED_GADGET_DISTANCE, tab_color);
+}
+
+static void DrawPropertiesInfo()
+{
+  static struct
+  {
+    int value;
+    char *text;
+  }
+  properties[] =
+  {
+    /* configurable properties */
+    { EP_INDESTRUCTIBLE,	"- undestructible"			},
+    { EP_SLIPPERY,		"- slippery for falling objects"	},
+    { EP_EM_SLIPPERY_WALL,	"- slippery for some gems (EM style)"	},
+
+    { EP_DIGGABLE,		"- diggable"				},
+    { EP_COLLECTIBLE,		"- collectible"				},
+    { EP_PUSHABLE,		"- pushable"				},
+
+    { EP_CAN_MOVE,		"- can move"				},
+    { EP_CAN_FALL,		"- can fall"				},
+#if 0
+    { EP_CAN_SMASH,		"- can smash"				},
+#endif
+    { EP_CAN_SMASH_PLAYER,	"- can smash player"			},
+    { EP_CAN_SMASH_ENEMIES,	"- can smash good and bad guys"		},
+    { EP_CAN_SMASH_EVERYTHING,	"- can smash everything smashable"	},
+    { EP_CAN_EXPLODE,		"- can explode"				},
+    { EP_CAN_EXPLODE_BY_FIRE,	"  - by fire or explosions"		},
+    { EP_CAN_EXPLODE_SMASHED,	"  - when smashed"			},
+    { EP_CAN_EXPLODE_IMPACT,	"  - on impact"				},
+
+    { EP_DONT_RUN_INTO,		"- deadly when running into"		},
+    { EP_DONT_COLLIDE_WITH,	"- deadly when colliding with"		},
+    { EP_DONT_TOUCH,		"- deadly when touching"		},
+
+    { EP_WALKABLE_OVER,		"- player can walk over it"		},
+    { EP_WALKABLE_INSIDE,	"- player can walk inside it"		},
+    { EP_WALKABLE_UNDER,	"- player can walk under it"		},
+    { EP_PASSABLE_OVER,		"- player can pass over it"		},
+    { EP_PASSABLE_INSIDE,	"- player can pass through it"		},
+    { EP_PASSABLE_UNDER,	"- player can pass under it"		},
+
+    /* pre-defined properties */
+    { EP_CAN_PASS_MAGIC_WALL,	"- can pass magic walls"		},
+    { EP_HAS_CONTENT,		"- can contain other elements"		},
+
+    { -1,			NULL					}
+  };
+  char *filename = getElementDescriptionFilename(properties_element);
+  char *percentage_text = "In this level:";
+  char *properties_text = "Standard properties:";
+  float percentage;
+  int num_elements_in_level;
+  int num_standard_properties = 0;
+  int font1_nr = FONT_TEXT_1;
+  int font2_nr = FONT_TEXT_2;
+  int font1_width = getFontWidth(font1_nr);
+  int font2_height = getFontHeight(font2_nr);
+  int pad_x = ED_SETTINGS_XPOS(0);
+  int pad_y = ED_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
+  int screen_line = 0;
+  int i, x, y;
+
+  /* ----- print number of elements / percentage of this element in level */
+
+  num_elements_in_level = 0;
+  for (y=0; y<lev_fieldy; y++) 
+    for (x=0; x<lev_fieldx; x++)
+      if (Feld[x][y] == properties_element)
+	num_elements_in_level++;
+  percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
+
+  DrawTextF(pad_x, pad_y + screen_line * font2_height, font1_nr,
+	    percentage_text);
+  DrawTextF(pad_x + strlen(percentage_text) * font1_width,
+	    pad_y + screen_line++ * font2_height, font2_nr,
+	    "%d (%.2f%%)", num_elements_in_level, percentage);
+
+  screen_line++;
+
+  /* ----- print standard properties of this element */
+
+  DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
+	    properties_text);
+
+  for (i=0; properties[i].value != -1; i++)
+  {
+    if (!HAS_PROPERTY(properties_element, properties[i].value))
+      continue;
+
+    DrawTextF(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
+	      properties[i].text);
+    num_standard_properties++;
+  }
+
+  if (num_standard_properties == 0)
+    DrawTextF(pad_x + strlen(properties_text) * font1_width,
+	      pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
+
+  screen_line++;
+
+  /* ----- print special description of this element */
+
+  PrintInfoText("Description:", FONT_TEXT_1, screen_line);
+  if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
+    PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
+}
+
+#define TEXT_COLLECTING		"Score for collecting"
+#define TEXT_SMASHING		"Score for smashing"
+#define TEXT_CRACKING		"Score for cracking"
+#define TEXT_SPEED		"Speed of amoeba growth"
+#define TEXT_DURATION		"Duration when activated"
+
+static struct
+{
+  int element;
+  int *value;
+  char *text;
+} elements_with_counter[] =
+{
+  { EL_EMERALD,		&level.score[SC_EMERALD],	TEXT_COLLECTING	},
+  { EL_BD_DIAMOND,	&level.score[SC_EMERALD],	TEXT_COLLECTING	},
+  { EL_EMERALD_YELLOW,	&level.score[SC_EMERALD],	TEXT_COLLECTING	},
+  { EL_EMERALD_RED,	&level.score[SC_EMERALD],	TEXT_COLLECTING	},
+  { EL_EMERALD_PURPLE,	&level.score[SC_EMERALD],	TEXT_COLLECTING	},
+  { EL_SP_INFOTRON,	&level.score[SC_EMERALD],	TEXT_COLLECTING	},
+  { EL_DIAMOND,		&level.score[SC_DIAMOND],	TEXT_COLLECTING	},
+  { EL_CRYSTAL,		&level.score[SC_CRYSTAL],	TEXT_COLLECTING	},
+  { EL_PEARL,		&level.score[SC_PEARL],		TEXT_COLLECTING	},
+  { EL_BUG_RIGHT,	&level.score[SC_BUG],		TEXT_SMASHING	},
+  { EL_BUG_UP,		&level.score[SC_BUG],		TEXT_SMASHING	},
+  { EL_BUG_LEFT,	&level.score[SC_BUG],		TEXT_SMASHING	},
+  { EL_BUG_DOWN,	&level.score[SC_BUG],		TEXT_SMASHING	},
+  { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],		TEXT_SMASHING	},
+  { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],		TEXT_SMASHING	},
+  { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],		TEXT_SMASHING	},
+  { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],		TEXT_SMASHING	},
+  { EL_SP_ELECTRON,	&level.score[SC_BUG],		TEXT_SMASHING	},
+  { EL_SPACESHIP_RIGHT,	&level.score[SC_SPACESHIP],	TEXT_SMASHING	},
+  { EL_SPACESHIP_UP,	&level.score[SC_SPACESHIP],	TEXT_SMASHING	},
+  { EL_SPACESHIP_LEFT,	&level.score[SC_SPACESHIP],	TEXT_SMASHING	},
+  { EL_SPACESHIP_DOWN,	&level.score[SC_SPACESHIP],	TEXT_SMASHING	},
+  { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],	TEXT_SMASHING	},
+  { EL_BD_FIREFLY_UP,	&level.score[SC_SPACESHIP],	TEXT_SMASHING	},
+  { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],	TEXT_SMASHING	},
+  { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],	TEXT_SMASHING	},
+  { EL_SP_SNIKSNAK,	&level.score[SC_SPACESHIP],	TEXT_SMASHING	},
+  { EL_YAMYAM,		&level.score[SC_YAMYAM],	TEXT_SMASHING	},
+  { EL_DARK_YAMYAM,	&level.score[SC_YAMYAM],	TEXT_SMASHING	},
+  { EL_ROBOT,		&level.score[SC_ROBOT],		TEXT_SMASHING	},
+  { EL_PACMAN_RIGHT,	&level.score[SC_PACMAN],	TEXT_SMASHING	},
+  { EL_PACMAN_UP,	&level.score[SC_PACMAN],	TEXT_SMASHING	},
+  { EL_PACMAN_LEFT,	&level.score[SC_PACMAN],	TEXT_SMASHING	},
+  { EL_PACMAN_DOWN,	&level.score[SC_PACMAN],	TEXT_SMASHING	},
+  { EL_NUT,		&level.score[SC_NUT],		TEXT_CRACKING	},
+  { EL_DYNAMITE,	&level.score[SC_DYNAMITE],	TEXT_COLLECTING	},
+  { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
+  { EL_DYNABOMB_INCREASE_SIZE,	&level.score[SC_DYNAMITE],TEXT_COLLECTING },
+  { EL_DYNABOMB_INCREASE_POWER,	&level.score[SC_DYNAMITE],TEXT_COLLECTING },
+  { EL_SHIELD_NORMAL,	&level.score[SC_SHIELD],	TEXT_COLLECTING	},
+  { EL_SHIELD_DEADLY,	&level.score[SC_SHIELD],	TEXT_COLLECTING	},
+  { EL_EXTRA_TIME,	&level.score[SC_TIME_BONUS],	TEXT_COLLECTING	},
+  { EL_KEY_1,		&level.score[SC_KEY],		TEXT_COLLECTING	},
+  { EL_KEY_2,		&level.score[SC_KEY],		TEXT_COLLECTING	},
+  { EL_KEY_3,		&level.score[SC_KEY],		TEXT_COLLECTING	},
+  { EL_KEY_4,		&level.score[SC_KEY],		TEXT_COLLECTING	},
+  { EL_EM_KEY_1_FILE,	&level.score[SC_KEY],		TEXT_COLLECTING	},
+  { EL_EM_KEY_2_FILE,	&level.score[SC_KEY],		TEXT_COLLECTING	},
+  { EL_EM_KEY_3_FILE,	&level.score[SC_KEY],		TEXT_COLLECTING	},
+  { EL_EM_KEY_4_FILE,	&level.score[SC_KEY],		TEXT_COLLECTING	},
+  { EL_AMOEBA_WET,	&level.amoeba_speed,		TEXT_SPEED	},
+  { EL_AMOEBA_DRY,	&level.amoeba_speed,		TEXT_SPEED	},
+  { EL_AMOEBA_FULL,	&level.amoeba_speed,		TEXT_SPEED	},
+  { EL_BD_AMOEBA,	&level.amoeba_speed,		TEXT_SPEED	},
+  { EL_MAGIC_WALL,	&level.time_magic_wall,		TEXT_DURATION	},
+  { EL_ROBOT_WHEEL,	&level.time_wheel,		TEXT_DURATION	},
+  { -1,			NULL,				NULL		}
+};
+
+static boolean checkPropertiesConfig()
+{
+  int i;
+
+  if (IS_GEM(properties_element) ||
+      IS_CUSTOM_ELEMENT(properties_element) ||
+      HAS_CONTENT(properties_element))
+    return TRUE;
+  else
+    for (i=0; elements_with_counter[i].element != -1; i++)
+      if (elements_with_counter[i].element == properties_element)
+	return TRUE;
+
+  return FALSE;
+}
+
+static void DrawPropertiesConfig()
+{
+  int i;
+
+  if (!checkPropertiesConfig())
+  {
+    PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
+
+    return;
+  }
+
+  /* check if there are elements where a score can be chosen for */
+  for (i=0; elements_with_counter[i].element != -1; i++)
+  {
+    if (elements_with_counter[i].element == properties_element)
+    {
+      int counter_id = ED_COUNTER_ID_ELEMENT_SCORE;
+
+      counterbutton_info[counter_id].value = elements_with_counter[i].value;
+      counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
+      MapCounterButtons(counter_id);
+
+      break;
+    }
+  }
+
+  if (HAS_CONTENT(properties_element))
+  {
+    /* draw stickybutton gadget */
+    i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
+    checkbutton_info[i].y = ED_COUNTER_YPOS(4);
+    MapCheckbuttonGadget(i);
+
+    if (IS_AMOEBOID(properties_element))
+      DrawAmoebaContentArea();
+    else
+      DrawElementContentAreas();
+  }
+
+  if (IS_GEM(properties_element))
+    MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
+
+  if (IS_CUSTOM_ELEMENT(properties_element))
+  {
+    /* draw stickybutton gadget */
+    i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
+    checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
+    MapCheckbuttonGadget(i);
+
+    /* draw checkbutton gadgets */
+    for (i =  ED_CHECKBUTTON_ID_CUSTOM_FIRST;
+	 i <= ED_CHECKBUTTON_ID_CUSTOM_LAST; i++)
+      MapCheckbuttonGadget(i);
+
+    /* draw counter gadgets */
+    for (i=ED_COUNTER_ID_CUSTOM_FIRST; i<=ED_COUNTER_ID_CUSTOM_LAST; i++)
+      MapCounterButtons(i);
+
+    /* draw selectbox gadgets */
+    for (i=ED_SELECTBOX_ID_CUSTOM_FIRST; i <= ED_SELECTBOX_ID_CUSTOM_LAST; i++)
+      MapSelectboxGadget(i);
+
+    /* draw drawing area gadgets */
+    DrawCustomContentArea();
+  }
+}
+
+static void DrawPropertiesAdvancedDrawingAreas()
+{
+  DrawCustomGraphicElementArea();
+  DrawCustomChangeTargetArea();
+  DrawCustomChangeTriggerArea();
+  DrawCustomChangeContentArea();
+
+  redraw_mask |= REDRAW_FIELD;
+}
+
+static void DrawPropertiesAdvanced()
+{
+  int i;
+
+  /* draw stickybutton gadget */
+  i = ED_CHECKBUTTON_ID_STICK_ELEMENT;
+  checkbutton_info[i].y = ED_SETTINGS_YPOS(0);
+  MapCheckbuttonGadget(i);
+
+  /* draw checkbutton gadgets */
+  for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
+       i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
+    MapCheckbuttonGadget(i);
+
+  /* draw counter gadgets */
+  for (i=ED_COUNTER_ID_CHANGE_FIRST; i<=ED_COUNTER_ID_CHANGE_LAST; i++)
+    MapCounterButtons(i);
+
+  /* draw selectbox gadgets */
+  for (i=ED_SELECTBOX_ID_CHANGE_FIRST; i<=ED_SELECTBOX_ID_CHANGE_LAST; i++)
+    MapSelectboxGadget(i);
+
+  /* draw textbutton gadgets */
+  MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
+
+  /* draw drawing area gadgets */
+  DrawPropertiesAdvancedDrawingAreas();
+}
+
+static void DrawElementName(int x, int y, int element)
+{
+  char *element_name = getElementInfoText(element);
+  int font_nr = FONT_TEXT_1;
+  int font_width = getFontWidth(font_nr);
+  int font_height = getFontHeight(font_nr);
+  int max_text_width = SXSIZE - x - ED_SETTINGS_XPOS(0);
+  int max_chars_per_line = max_text_width / font_width;
+  char buffer[max_chars_per_line + 1];
+
+  if (strlen(element_name) <= max_chars_per_line)
+    DrawTextF(x, y, font_nr, element_name);
+  else
+  {
+    int next_pos = max_chars_per_line;
+
+    strncpy(buffer, element_name, max_chars_per_line);
+    buffer[max_chars_per_line] = '\0';
+
+    if (element_name[max_chars_per_line] == ' ')
+      next_pos++;
+    else
+    {
+      int i;
+
+      for (i = max_chars_per_line - 1; i >= 0; i--)
+	if (buffer[i] == ' ')
+	  break;
+
+      if (strlen(&element_name[i + 1]) <= max_chars_per_line)
+      {
+	buffer[i] = '\0';
+	next_pos = i + 1;
+      }
+    }
+
+    DrawTextF(x, y - font_height / 2, font_nr, buffer);
+
+    strncpy(buffer, &element_name[next_pos], max_chars_per_line);
+    buffer[max_chars_per_line] = '\0';
+
+    DrawTextF(x, y + font_height / 2, font_nr, buffer);
+  }
+}
+
+static void DrawPropertiesWindow()
+{
+  int xstart = 2;
+  int ystart = 4;
+
+  stick_element_properties_window = FALSE;
+
+  /* make sure that previous properties edit mode exists for this element */
+  if (edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED &&
+      !IS_CUSTOM_ELEMENT(properties_element))
+    edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
+
+  if (IS_CUSTOM_ELEMENT(properties_element))
+    CopyCustomElementPropertiesToEditor(properties_element);
+
+  UnmapLevelEditorWindowGadgets();
+
+  SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
+  ClearWindow();
+
+  DrawText(SX + ED_SETTINGS2_XPOS, SY + ED_SETTINGS1_YPOS,
+	   "Element Settings", FONT_TITLE_1);
+
+  DrawElementBorder(SX + xstart * MINI_TILEX,
+		    SY + ystart * MINI_TILEY + MINI_TILEY / 2,
+		    TILEX, TILEY, FALSE);
+  DrawGraphicAnimationExt(drawto,
+			  SX + xstart * MINI_TILEX,
+			  SY + ystart * MINI_TILEY + MINI_TILEY / 2,
+			  el2img(properties_element), -1, NO_MASKING);
+
+  FrameCounter = 0;	/* restart animation frame counter */
+
+  DrawElementName((xstart + 3) * MINI_TILEX, (ystart + 1) * MINI_TILEY,
+		  properties_element);
+
+  DrawPropertiesTabulatorGadgets();
+
+  if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
+    DrawPropertiesInfo();
+  else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG)
+    DrawPropertiesConfig();
+  else	/* edit_mode_properties == ED_MODE_PROPERTIES_ADVANCED */
+    DrawPropertiesAdvanced();
+}
+
+static void DrawLineElement(int sx, int sy, int element, boolean change_level)
+{
+  int lx = sx + level_xpos;
+  int ly = sy + level_ypos;
+
+  DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
+
+  if (change_level)
+    Feld[lx][ly] = element;
+}
+
+static void DrawLine(int from_x, int from_y, int to_x, int to_y,
+		     int element, boolean change_level)
+{
+  if (from_y == to_y)			/* horizontal line */
+  {
+    int x;
+    int y = from_y;
+
+    if (from_x > to_x)
+      swap_numbers(&from_x, &to_x);
+
+    for (x=from_x; x<=to_x; x++)
+      DrawLineElement(x, y, element, change_level);
+  }
+  else if (from_x == to_x)		/* vertical line */
+  {
+    int x = from_x;
+    int y;
+
+    if (from_y > to_y)
+      swap_numbers(&from_y, &to_y);
+
+    for (y=from_y; y<=to_y; y++)
+      DrawLineElement(x, y, element, change_level);
+  }
+  else					/* diagonal line */
+  {
+    int len_x = ABS(to_x - from_x);
+    int len_y = ABS(to_y - from_y);
+    int x, y;
+
+    if (len_y < len_x)			/* a < 1 */
+    {
+      float a = (float)len_y / (float)len_x;
+
+      if (from_x > to_x)
+	swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
+
+      for (x=0; x<=len_x; x++)
+      {
+	y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
+	DrawLineElement(from_x + x, from_y + y, element, change_level);
+      }
+    }
+    else				/* a >= 1 */
+    {
+      float a = (float)len_x / (float)len_y;
+
+      if (from_y > to_y)
+	swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
+
+      for (y=0; y<=len_y; y++)
+      {
+	x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
+	DrawLineElement(from_x + x, from_y + y, element, change_level);
+      }
+    }
+  }
+}
+
+static void DrawBox(int from_x, int from_y, int to_x, int to_y,
+		    int element, boolean change_level)
+{
+  DrawLine(from_x, from_y, from_x, to_y, element, change_level);
+  DrawLine(from_x, to_y, to_x, to_y, element, change_level);
+  DrawLine(to_x, to_y, to_x, from_y, element, change_level);
+  DrawLine(to_x, from_y, from_x, from_y, element, change_level);
+}
+
+static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
+			  int element, boolean change_level)
+{
+  int y;
+
+  if (from_y > to_y)
+    swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
+
+  for (y=from_y; y<=to_y; y++)
+    DrawLine(from_x, y, to_x, y, element, change_level);
+}
+
+static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
+		       int element, boolean change_level)
+{
+  int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
+  int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
+  int len_x = ABS(to_x - from_x);
+  int len_y = ABS(to_y - from_y);
+  int radius, x, y;
+
+  radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
+
+  /* not optimal (some points get drawn twice) but simple,
+     and fast enough for the few points we are drawing */
+
+  for (x=0; x<=radius; x++)
+  {
+    int sx, sy, lx, ly;
+
+    y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
+
+    sx = from_x + x * (from_x < to_x2 ? +1 : -1);
+    sy = from_y + y * (from_y < to_y2 ? +1 : -1);
+    lx = sx + level_xpos;
+    ly = sy + level_ypos;
+
+    if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
+      DrawLineElement(sx, sy, element, change_level);
+  }
+
+  for (y=0; y<=radius; y++)
+  {
+    int sx, sy, lx, ly;
+
+    x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
+
+    sx = from_x + x * (from_x < to_x2 ? +1 : -1);
+    sy = from_y + y * (from_y < to_y2 ? +1 : -1);
+    lx = sx + level_xpos;
+    ly = sy + level_ypos;
+
+    if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
+      DrawLineElement(sx, sy, element, change_level);
+  }
+}
+
+static void DrawArc(int from_x, int from_y, int to_x, int to_y,
+		    int element, boolean change_level)
+{
+  int to_x2 = to_x + (to_x < from_x ? -1 : +1);
+  int to_y2 = to_y + (to_y > from_y ? +1 : -1);
+
+  DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
+}
+
+#define DRAW_CIRCLES_BUTTON_AVAILABLE	0
+#if DRAW_CIRCLES_BUTTON_AVAILABLE
+static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
+		       int element, boolean change_level)
+{
+  int to_x2 = to_x + (to_x < from_x ? -1 : +1);
+  int to_y2 = to_y + (to_y > from_y ? +1 : -1);
+  int mirror_to_x2 = from_x - (to_x2 - from_x);
+  int mirror_to_y2 = from_y - (to_y2 - from_y);
+
+  DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
+  DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
+  DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
+  DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
+}
+#endif
+
+static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
+{
+  int from_sx, from_sy;
+  int to_sx, to_sy;
+
+  if (from_x > to_x)
+    swap_numbers(&from_x, &to_x);
+
+  if (from_y > to_y)
+    swap_numbers(&from_y, &to_y);
+
+  from_sx = SX + from_x * MINI_TILEX;
+  from_sy = SY + from_y * MINI_TILEY;
+  to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
+  to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
+
+  DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
+  DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
+  DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
+  DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
+
+  if (from_x == to_x && from_y == to_y)
+    MarkTileDirty(from_x/2, from_y/2);
+  else
+    redraw_mask |= REDRAW_FIELD;
+}
+
+static void SelectArea(int from_x, int from_y, int to_x, int to_y,
+		       int element, boolean change_level)
+{
+  if (element == -1 || change_level)
+    DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
+  else
+    DrawAreaBorder(from_x, from_y, to_x, to_y);
+}
+
+/* values for CopyBrushExt() */
+#define CB_AREA_TO_BRUSH	0
+#define CB_BRUSH_TO_CURSOR	1
+#define CB_BRUSH_TO_LEVEL	2
+#define CB_DELETE_OLD_CURSOR	3
+
+static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
+			 int button, int mode)
+{
+  static short brush_buffer[MAX_ED_FIELDX][MAX_ED_FIELDY];
+  static int brush_width, brush_height;
+  static int last_cursor_x = -1, last_cursor_y = -1;
+  static boolean delete_old_brush;
+  int new_element = BUTTON_ELEMENT(button);
+  int x, y;
+
+  if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
+    return;
+
+  if (mode == CB_AREA_TO_BRUSH)
+  {
+    int from_lx, from_ly;
+
+    if (from_x > to_x)
+      swap_numbers(&from_x, &to_x);
+
+    if (from_y > to_y)
+      swap_numbers(&from_y, &to_y);
+
+    brush_width = to_x - from_x + 1;
+    brush_height = to_y - from_y + 1;
+
+    from_lx = from_x + level_xpos;
+    from_ly = from_y + level_ypos;
+
+    for (y=0; y<brush_height; y++)
+    {
+      for (x=0; x<brush_width; x++)
+      {
+	brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
+
+	if (button != 1)
+	  DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
+      }
+    }
+
+    if (button != 1)
+      CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
+
+    delete_old_brush = FALSE;
+  }
+  else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
+	   mode == CB_BRUSH_TO_LEVEL)
+  {
+    int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
+    int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
+    int cursor_from_x = cursor_x - brush_width / 2;
+    int cursor_from_y = cursor_y - brush_height / 2;
+    int border_from_x = cursor_x, border_from_y = cursor_y;
+    int border_to_x = cursor_x, border_to_y = cursor_y;
+
+    if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
+      CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
+
+    if (!IN_ED_FIELD(cursor_x, cursor_y) ||
+	!IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
+    {
+      delete_old_brush = FALSE;
+      return;
+    }
+
+    for (y=0; y<brush_height; y++)
+    {
+      for (x=0; x<brush_width; x++)
+      {
+	int sx = cursor_from_x + x;
+	int sy = cursor_from_y + y;
+	int lx = sx + level_xpos;
+	int ly = sy + level_ypos;
+	boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
+	int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
+		       mode == CB_BRUSH_TO_CURSOR || button == 1 ?
+		       brush_buffer[x][y] : new_element);
+
+	if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
+	{
+	  if (sx < border_from_x)
+	    border_from_x = sx;
+	  else if (sx > border_to_x)
+	    border_to_x = sx;
+	  if (sy < border_from_y)
+	    border_from_y = sy;
+	  else if (sy > border_to_y)
+	    border_to_y = sy;
+
+	  DrawLineElement(sx, sy, element, change_level);
+	}
+      }
+    }
+
+    if (mode != CB_DELETE_OLD_CURSOR)
+      DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
+
+    last_cursor_x = cursor_x;
+    last_cursor_y = cursor_y;
+    delete_old_brush = TRUE;
+  }
+}
+
+static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
+			    int button)
+{
+  CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
+}
+
+static void CopyBrushToLevel(int x, int y, int button)
+{
+  CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
+}
+
+static void CopyBrushToCursor(int x, int y)
+{
+  CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
+}
+
+static void DeleteBrushFromCursor()
+{
+  CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
+}
+
+static void FloodFill(int from_x, int from_y, int fill_element)
+{
+  int i,x,y;
+  int old_element;
+  static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
+  static int safety = 0;
+
+  /* check if starting field still has the desired content */
+  if (Feld[from_x][from_y] == fill_element)
+    return;
+
+  safety++;
+
+  if (safety > lev_fieldx*lev_fieldy)
+    Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
+
+  old_element = Feld[from_x][from_y];
+  Feld[from_x][from_y] = fill_element;
+
+  for(i=0;i<4;i++)
+  {
+    x = from_x + check[i][0];
+    y = from_y + check[i][1];
+
+    if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
+      FloodFill(x, y, fill_element);
+  }
+
+  safety--;
+}
+
+/* values for DrawLevelText() modes */
+#define TEXT_INIT		0
+#define TEXT_SETCURSOR		1
+#define TEXT_WRITECHAR		2
+#define TEXT_BACKSPACE		3
+#define TEXT_NEWLINE		4
+#define TEXT_END		5
+#define TEXT_QUERY_TYPING	6
+
+static int DrawLevelText(int sx, int sy, char letter, int mode)
+{
+  static short delete_buffer[MAX_LEV_FIELDX];
+  static int start_sx, start_sy;
+  static int last_sx, last_sy;
+  static boolean typing = FALSE;
+  int letter_element = EL_CHAR_ASCII0 + letter;
+  int lx = 0, ly = 0;
+
+  /* map lower case letters to upper case and convert special characters */
+  if (letter >= 'a' && letter <= 'z')
+    letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
+  else if (letter == 'ä' || letter == 'Ä')
+    letter_element = EL_CHAR_AUMLAUT;
+  else if (letter == 'ö' || letter == 'Ö')
+    letter_element = EL_CHAR_OUMLAUT;
+  else if (letter == 'ü' || letter == 'Ü')
+    letter_element = EL_CHAR_UUMLAUT;
+  else if (letter == '^')
+    letter_element = EL_CHAR_COPYRIGHT;
+  else
+    letter_element = EL_CHAR_ASCII0 + letter;
+
+  if (mode != TEXT_INIT)
+  {
+    if (!typing)
+      return FALSE;
+
+    if (mode != TEXT_SETCURSOR)
+    {
+      sx = last_sx;
+      sy = last_sy;
+    }
+
+    lx = last_sx + level_xpos;
+    ly = last_sy + level_ypos;
+  }
+
+  switch (mode)
+  {
+    case TEXT_INIT:
+      if (typing)
+	DrawLevelText(0, 0, 0, TEXT_END);
+
+      typing = TRUE;
+      start_sx = last_sx = sx;
+      start_sy = last_sy = sy;
+      DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
+      break;
+
+    case TEXT_SETCURSOR:
+      DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
+      DrawAreaBorder(sx, sy, sx, sy);
+      last_sx = sx;
+      last_sy = sy;
+      break;
+
+    case TEXT_WRITECHAR:
+      if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
+      {
+	delete_buffer[sx - start_sx] = Feld[lx][ly];
+	Feld[lx][ly] = letter_element;
+
+	if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
+	  DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
+	else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
+	  DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
+	else
+	  DrawLevelText(0, 0, 0, TEXT_END);
+      }
+      break;
+
+    case TEXT_BACKSPACE:
+      if (sx > start_sx)
+      {
+	Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
+	DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
+	DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
+      }
+      break;
+
+    case TEXT_NEWLINE:
+      if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
+	DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
+      else
+	DrawLevelText(0, 0, 0, TEXT_END);
+      break;
+
+    case TEXT_END:
+      CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
+      DrawMiniElement(sx, sy, Feld[lx][ly]);
+      typing = FALSE;
+      break;
+
+    case TEXT_QUERY_TYPING:
+      break;
+
+    default:
+      break;
+  }
+
+  return typing;
+}
+
+static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
+			  int element, boolean change_level)
+{
+  int lx = sx + level_xpos;
+  int ly = sy + level_ypos;
+
+  if (element == -1)
+    DrawMiniElement(sx, sy, Feld[lx][ly]);
+  else
+    DrawAreaBorder(sx, sy, sx, sy);
+}
+
+static void CopyLevelToUndoBuffer(int mode)
+{
+  static boolean accumulated_undo = FALSE;
+  boolean new_undo_buffer_position = TRUE;
+  int last_border_element;
+  int x, y;
+
+  switch (mode)
+  {
+    case UNDO_IMMEDIATE:
+      accumulated_undo = FALSE;
+      break;
+
+    case UNDO_ACCUMULATE:
+      if (accumulated_undo)
+	new_undo_buffer_position = FALSE;
+      accumulated_undo = TRUE;
+      break;
+
+    default:
+      break;
+  }
+
+  if (new_undo_buffer_position)
+  {
+    /* new position in undo buffer ring */
+    undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
+
+    if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
+      undo_buffer_steps++;
+  }
+
+  for(x=0; x<lev_fieldx; x++)
+    for(y=0; y<lev_fieldy; y++)
+      UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
+
+  /* check if drawing operation forces change of border style */
+  last_border_element = BorderElement;
+  SetBorderElement();
+  if (BorderElement != last_border_element)
+    DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
+}
+
+static void RandomPlacement(int new_element)
+{
+  static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
+  int num_free_positions;
+  int num_percentage;
+  int num_elements;
+  int x, y;
+
+  /* determine number of free positions for the new elements */
+  /* (maybe this statement should be formatted a bit more readable...) */
+  num_free_positions = 0;
+  for (x=0; x<lev_fieldx; x++)
+    for (y=0; y<lev_fieldy; y++)
+      if ((free_position[x][y] =
+	   ((random_placement_background_restricted &&
+	     Feld[x][y] == random_placement_background_element) ||
+	    (!random_placement_background_restricted &&
+	     Feld[x][y] != new_element))) == TRUE)
+	num_free_positions++;
+
+  /* determine number of new elements to place there */
+  num_percentage = num_free_positions * random_placement_value / 100;
+  num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
+		  num_percentage : random_placement_value);
+
+  /* if not more free positions than elements to place, fill whole level */
+  if (num_elements >= num_free_positions)
+  {
+    for (x=0; x<lev_fieldx; x++)
+      for (y=0; y<lev_fieldy; y++)
+	Feld[x][y] = new_element;
+
+    DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
+    CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
+    return;
+  }
+
+  while (num_elements > 0)
+  {
+    x = RND(lev_fieldx);
+    y = RND(lev_fieldy);
+
+    /* don't place element at the same position twice */
+    if (free_position[x][y])
+    {
+      free_position[x][y] = FALSE;
+      Feld[x][y] = new_element;
+      num_elements--;
+    }
+  }
+
+  DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
+  CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
+}
+
+void WrapLevel(int dx, int dy)
+{
+  int wrap_dx = lev_fieldx - dx;
+  int wrap_dy = lev_fieldy - dy;
+  int x, y;
+
+  for(x=0; x<lev_fieldx; x++)
+    for(y=0; y<lev_fieldy; y++)
+      FieldBackup[x][y] = Feld[x][y];
+
+  for(x=0; x<lev_fieldx; x++)
+    for(y=0; y<lev_fieldy; y++)
+      Feld[x][y] =
+	FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
+
+  DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
+  CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
+}
+
+static void HandleDrawingAreas(struct GadgetInfo *gi)
+{
+  static boolean started_inside_drawing_area = FALSE;
+  int id = gi->custom_id;
+  boolean button_press_event;
+  boolean button_release_event;
+  boolean inside_drawing_area = !gi->event.off_borders;
+  boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
+  int actual_drawing_function;
+  int button = gi->event.button;
+  int new_element = BUTTON_ELEMENT(button);
+  int sx = gi->event.x, sy = gi->event.y;
+  int min_sx = 0, min_sy = 0;
+  int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
+  int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
+  int lx = 0, ly = 0;
+  int min_lx = 0, min_ly = 0;
+  int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
+  int x, y;
+
+  /* handle info callback for each invocation of action callback */
+  gi->callback_info(gi);
+
+  button_press_event = (gi->event.type == GD_EVENT_PRESSED);
+  button_release_event = (gi->event.type == GD_EVENT_RELEASED);
+
+  /* make sure to stay inside drawing area boundaries */
+  sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
+  sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
+
+  if (draw_level)
+  {
+    /* get positions inside level field */
+    lx = sx + level_xpos;
+    ly = sy + level_ypos;
+
+    if (!IN_LEV_FIELD(lx, ly))
+      inside_drawing_area = FALSE;
+
+    /* make sure to stay inside level field boundaries */
+    lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
+    ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
+
+    /* correct drawing area positions accordingly */
+    sx = lx - level_xpos;
+    sy = ly - level_ypos;
+  }
+
+  if (button_press_event)
+    started_inside_drawing_area = inside_drawing_area;
+
+  if (!started_inside_drawing_area)
+    return;
+
+  if (!button && !button_release_event)
+    return;
+
+  /* automatically switch to 'single item' drawing mode, if needed */
+  actual_drawing_function =
+    (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
+     drawing_function : GADGET_ID_SINGLE_ITEMS);
+
+  /* clicking into drawing area with pressed Control key picks element */
+  if (GetKeyModState() & KMOD_Control)
+    actual_drawing_function = GADGET_ID_PICK_ELEMENT;
+
+  switch (actual_drawing_function)
+  {
+    case GADGET_ID_SINGLE_ITEMS:
+      if (draw_level)
+      {
+	if (button_release_event)
+	{
+	  CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
+
+	  if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
+	      !inside_drawing_area)
+	    DeleteBrushFromCursor();
+	}
+
+	if (!button)
+	  break;
+
+	if (draw_with_brush)
+	{
+	  if (!button_release_event)
+	    CopyBrushToLevel(sx, sy, button);
+	}
+	else if (new_element != Feld[lx][ly])
+	{
+	  if (new_element == EL_PLAYER_1)
+	  {
+	    /* remove player at old position */
+	    for(y=0; y<lev_fieldy; y++)
+	    {
+	      for(x=0; x<lev_fieldx; x++)
+	      {
+		if (Feld[x][y] == EL_PLAYER_1)
+		{
+		  Feld[x][y] = EL_EMPTY;
+		  if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
+		      y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
+		    DrawMiniElement(x - level_xpos, y - level_ypos,
+				    EL_EMPTY);
+		}
+	      }
+	    }
+	  }
+
+	  Feld[lx][ly] = new_element;
+	  DrawMiniElement(sx, sy, new_element);
+	}
+      }
+      else
+      {
+	if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
+	  DrawMiniGraphicExt(drawto,
+			     gi->x + sx * MINI_TILEX,
+			     gi->y + sy * MINI_TILEY,
+			     el2edimg(new_element));
+	else
+	  DrawGraphicExt(drawto,
+			 gi->x + sx * TILEX,
+			 gi->y + sy * TILEY,
+			 el2img(new_element), 0);
+
+	if (id == GADGET_ID_AMOEBA_CONTENT)
+	  level.amoeba_content = new_element;
+	else if (id == GADGET_ID_CUSTOM_GRAPHIC)
+	{
+	  new_element = GFX_ELEMENT(new_element);
+	  custom_element.gfx_element = new_element;
+	  element_info[properties_element] = custom_element;
+
+	  ModifyEditorElementList();
+	  RedrawDrawingElements();
+
+	  FrameCounter = 0;	/* restart animation frame counter */
+	}
+	else if (id == GADGET_ID_CUSTOM_CONTENT)
+	{
+	  custom_element.content[sx][sy] = new_element;
+	  element_info[properties_element] = custom_element;
+	}
+	else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
+	{
+	  custom_element.change.target_element = new_element;
+	  element_info[properties_element] = custom_element;
+	}
+	else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
+	{
+	  custom_element.change.content[sx][sy] = new_element;
+	  element_info[properties_element] = custom_element;
+	}
+	else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
+	{
+	  custom_element.change.trigger_element = new_element;
+	  element_info[properties_element] = custom_element;
+	}
+	else if (id == GADGET_ID_RANDOM_BACKGROUND)
+	  random_placement_background_element = new_element;
+	else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
+		 id <= GADGET_ID_ELEMENT_CONTENT_7)
+	  level.yamyam_content[id - GADGET_ID_ELEMENT_CONTENT_0][sx][sy] =
+	    new_element;
+      }
+      break;
+
+    case GADGET_ID_CONNECTED_ITEMS:
+      {
+	static int last_sx = -1;
+	static int last_sy = -1;
+
+	if (button_release_event)
+	  CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
+
+	if (button)
+	{
+	  if (!button_press_event)
+	    DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
+
+	  last_sx = sx;
+	  last_sy = sy;
+	}
+      }
+      break;
+
+    case GADGET_ID_LINE:
+    case GADGET_ID_ARC:
+    case GADGET_ID_RECTANGLE:
+    case GADGET_ID_FILLED_BOX:
+    case GADGET_ID_GRAB_BRUSH:
+    case GADGET_ID_TEXT:
+      {
+	static int last_sx = -1;
+	static int last_sy = -1;
+	static int start_sx = -1;
+	static int start_sy = -1;
+	void (*draw_func)(int, int, int, int, int, boolean);
+
+	if (drawing_function == GADGET_ID_LINE)
+	  draw_func = DrawLine;
+	else if (drawing_function == GADGET_ID_ARC)
+	  draw_func = DrawArc;
+	else if (drawing_function == GADGET_ID_RECTANGLE)
+	  draw_func = DrawBox;
+	else if (drawing_function == GADGET_ID_FILLED_BOX)
+	  draw_func = DrawFilledBox;
+	else if (drawing_function == GADGET_ID_GRAB_BRUSH)
+	  draw_func = SelectArea;
+	else /* (drawing_function == GADGET_ID_TEXT) */
+	  draw_func = SetTextCursor;
+
+	if (button_press_event)
+	{
+	  draw_func(sx, sy, sx, sy, new_element, FALSE);
+	  start_sx = last_sx = sx;
+	  start_sy = last_sy = sy;
+
+	  if (drawing_function == GADGET_ID_TEXT)
+	    DrawLevelText(0, 0, 0, TEXT_END);
+	}
+	else if (button_release_event)
+	{
+	  draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
+	  if (drawing_function == GADGET_ID_GRAB_BRUSH)
+	  {
+	    CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
+	    CopyBrushToCursor(sx, sy);
+	    ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
+			  MB_LEFTBUTTON);
+	    draw_with_brush = TRUE;
+	  }
+	  else if (drawing_function == GADGET_ID_TEXT)
+	    DrawLevelText(sx, sy, 0, TEXT_INIT);
+	  else
+	    CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
+	}
+	else if (last_sx != sx || last_sy != sy)
+	{
+	  draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
+	  draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
+	  last_sx = sx;
+	  last_sy = sy;
+	}
+      }
+      break;
+
+    case GADGET_ID_FLOOD_FILL:
+      if (button_press_event && Feld[lx][ly] != new_element)
+      {
+	FloodFill(lx, ly, new_element);
+	DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
+	CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
+      }
+      break;
+
+    case GADGET_ID_PICK_ELEMENT:
+      if (button_release_event)
+	ClickOnGadget(level_editor_gadget[last_drawing_function],
+		      MB_LEFTBUTTON);
+      else if (draw_level)
+	PickDrawingElement(button, Feld[lx][ly]);
+      else if (id == GADGET_ID_AMOEBA_CONTENT)
+	PickDrawingElement(button, level.amoeba_content);
+      else if (id == GADGET_ID_CUSTOM_GRAPHIC)
+	PickDrawingElement(button, custom_element.gfx_element);
+      else if (id == GADGET_ID_CUSTOM_CONTENT)
+	PickDrawingElement(button, custom_element.content[sx][sy]);
+      else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
+	PickDrawingElement(button, custom_element.change.target_element);
+      else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
+	PickDrawingElement(button, custom_element.change.content[sx][sy]);
+      else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
+	PickDrawingElement(button, custom_element.change.trigger_element);
+      else if (id == GADGET_ID_RANDOM_BACKGROUND)
+	PickDrawingElement(button, random_placement_background_element);
+      else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
+	       id <= GADGET_ID_ELEMENT_CONTENT_7)
+      {
+	int i = id - GADGET_ID_ELEMENT_CONTENT_0;
+
+	PickDrawingElement(button, level.yamyam_content[i][sx][sy]);
+      }
+
+      break;
+
+    default:
+      break;
+  }
+}
+
+static void HandleCounterButtons(struct GadgetInfo *gi)
+{
+  int gadget_id = gi->custom_id;
+  int counter_id = gi->custom_type_id;
+  int button = gi->event.button;
+  int *counter_value = counterbutton_info[counter_id].value;
+  int step = BUTTON_STEPSIZE(button) *
+    (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
+
+  if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
+  {
+    boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
+    boolean released = (gi->event.type == GD_EVENT_RELEASED);
+    boolean level_changed = LevelChanged();
+
+    if ((level_changed && pressed) || (!level_changed && released))
+      return;
+
+    if (level_changed && !Request("Level has changed! Discard changes ?",
+				  REQ_ASK))
+    {
+      if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
+	ModifyEditorCounter(counter_id, *counter_value);
+      return;
+    }
+  }
 
-  CloseDoor(DOOR_CLOSE_2);
+  if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
+    *counter_value = gi->text.number_value;
+  else
+    ModifyEditorCounter(counter_id, *counter_value + step);
 
-  DrawMiniLevel(level_xpos,level_ypos);
-  FadeToFront();
+  switch (counter_id)
+  {
+    case ED_COUNTER_ID_ELEMENT_CONTENT:
+      DrawElementContentAreas();
+      break;
+
+    case ED_COUNTER_ID_LEVEL_XSIZE:
+    case ED_COUNTER_ID_LEVEL_YSIZE:
+      lev_fieldx = level.fieldx;
+      lev_fieldy = level.fieldy;
+      break;
+
+    case ED_COUNTER_ID_SELECT_LEVEL:
+      LoadLevel(level_nr);
+      TapeErase();
+      ResetUndoBuffer();
+      DrawEditModeWindow();
+      break;
+
+    default:
+      break;
+  }
 
-  XCopyArea(display,pix[PIX_DOOR],pix[PIX_DB_DOOR],gc,
-	    DOOR_GFX_PAGEX6,DOOR_GFX_PAGEY1,
-	    DXSIZE,DYSIZE,
-	    DOOR_GFX_PAGEX1,DOOR_GFX_PAGEY1);
-  XCopyArea(display,pix[PIX_DOOR],pix[PIX_DB_DOOR],gc,
-	    DOOR_GFX_PAGEX6+ED_BUTTON_ELEM_XPOS,
-	    DOOR_GFX_PAGEY1+ED_BUTTON_ELEM_YPOS,
-	    4*ED_BUTTON_ELEM_XSIZE,5*ED_BUTTON_ELEM_YSIZE,
-	    DOOR_GFX_PAGEX1+ED_BUTTON_ELEM_XPOS,
-	    DOOR_GFX_PAGEY1+ED_BUTTON_EUP_Y2POS);
+  if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
+       counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
+      (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
+       counter_id <= ED_COUNTER_ID_CHANGE_LAST))
+    CopyCustomElementPropertiesToGame(properties_element);
+}
 
-  for(i=0;i<MAX_ELEM_X*MAX_ELEM_Y;i++)
-  {
-    if (i < elements_in_list)
-      graphic = el2gfx(editor_element[i]);
-    else
-      graphic = GFX_LEERRAUM;
-
-    DrawMiniGraphicExt(pix[PIX_DB_DOOR],gc,
-		       DOOR_GFX_PAGEX1+ED_BUTTON_ELEM_XPOS+3 + 
-		       (i%MAX_ELEM_X)*ED_BUTTON_ELEM_XSIZE,
-		       DOOR_GFX_PAGEY1+ED_BUTTON_ELEM_YPOS+3 +
-		       (i/MAX_ELEM_X)*ED_BUTTON_ELEM_YSIZE,
-		       graphic);
-  }
-
-  DrawMiniGraphicExt(pix[PIX_DB_DOOR],gc,
-		     DOOR_GFX_PAGEX1+ED_WIN_MB_LEFT_XPOS,
-		     DOOR_GFX_PAGEY1+ED_WIN_MB_LEFT_YPOS,
-		     el2gfx(new_element1));
-  DrawMiniGraphicExt(pix[PIX_DB_DOOR],gc,
-		     DOOR_GFX_PAGEX1+ED_WIN_MB_MIDDLE_XPOS,
-		     DOOR_GFX_PAGEY1+ED_WIN_MB_MIDDLE_YPOS,
-		     el2gfx(new_element2));
-  DrawMiniGraphicExt(pix[PIX_DB_DOOR],gc,
-		     DOOR_GFX_PAGEX1+ED_WIN_MB_RIGHT_XPOS,
-		     DOOR_GFX_PAGEY1+ED_WIN_MB_RIGHT_YPOS,
-		     el2gfx(new_element3));
-  DrawTextExt(pix[PIX_DB_DOOR],gc,
-	      DOOR_GFX_PAGEX2+ED_WIN_LEVELNR_XPOS,
-	      DOOR_GFX_PAGEY1+ED_WIN_LEVELNR_YPOS,
-	      int2str(level_nr,2),FS_SMALL,FC_SPECIAL1);
-  XCopyArea(display,pix[PIX_DB_DOOR],pix[PIX_DB_DOOR],gc,
-	    DOOR_GFX_PAGEX2+ED_WIN_LEVELNR_XPOS+3,
-	    DOOR_GFX_PAGEY1+ED_WIN_LEVELNR_YPOS,
-	    7,FONT3_YSIZE,
-	    DOOR_GFX_PAGEX1+ED_WIN_LEVELNR_XPOS,
-	    DOOR_GFX_PAGEY1+ED_WIN_LEVELNR_YPOS);
-  XCopyArea(display,pix[PIX_DB_DOOR],pix[PIX_DB_DOOR],gc,
-	    DOOR_GFX_PAGEX2+ED_WIN_LEVELNR_XPOS+14,
-	    DOOR_GFX_PAGEY1+ED_WIN_LEVELNR_YPOS,
-	    7,FONT3_YSIZE,
-	    DOOR_GFX_PAGEX1+ED_WIN_LEVELNR_XPOS+9,
-	    DOOR_GFX_PAGEY1+ED_WIN_LEVELNR_YPOS);
-
-  XCopyArea(display,pix[PIX_DOOR],pix[PIX_DB_DOOR],gc,
-	    DOOR_GFX_PAGEX6,DOOR_GFX_PAGEY2,
-	    VXSIZE,VYSIZE,
-	    DOOR_GFX_PAGEX1,DOOR_GFX_PAGEY2);
-
-  OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2);
-}
-
-void DrawControlWindow()
+static void HandleTextInputGadgets(struct GadgetInfo *gi)
 {
-  int i,x,y;
-
-  ClearWindow();
+  strcpy(textinput_info[gi->custom_type_id].value, gi->text.value);
+}
 
-  /* Inhalt der Mampfer */
-  DrawText(ED_COUNT_GADGET_XPOS+1,SY+6,
-	   "Contents of a smashed cruncher:",FS_SMALL,FC_YELLOW);
-  for(i=0;i<4;i++) for(y=0;y<4;y++) for(x=0;x<4;x++)
-  {
-    DrawMiniElement(1+5*i+x,2+y,EL_ERDREICH);
-    XFillRectangle(display,drawto,gc,
-		   SX+(1+5*i)*MINI_TILEX+MINI_TILEX/2-1,
-		   SY+(2)*MINI_TILEY+MINI_TILEY/2-1,
-		   3*MINI_TILEX+2,3*MINI_TILEY+2);
-  }
-  XCopyArea(display,drawto,drawto,gc,
-	    SX+1*MINI_TILEX,SY+2*MINI_TILEY,
-	    4*5*MINI_TILEX,5*MINI_TILEY,
-	    SX+1*MINI_TILEX-MINI_TILEX/2,SY+2*MINI_TILEY-MINI_TILEY/2);
-  for(i=0;i<4;i++)
-  {
-    for(y=0;y<3;y++) for(x=0;x<3;x++)
-      DrawMiniElement(1+5*i+x,2+y,level.mampfer_inhalt[i][x][y]);
-
-    DrawText(SX+MINI_TILEX+(5*i+1)*MINI_TILEX+1,
-	     SY+2*MINI_TILEY+(4)*MINI_TILEY-4,
-	     int2str(i+1,1),FS_SMALL,FC_YELLOW);
-  }
-
-  /* Inhalt der Amöbe */
-  for(y=0;y<2;y++) for(x=0;x<2;x++)
-  {
-    DrawMiniElement(29+x,26+y,EL_ERDREICH);
-    XFillRectangle(display,drawto,gc,
-		   SX+29*MINI_TILEX+MINI_TILEX/2-1,
-		   SY+26*MINI_TILEY+MINI_TILEY/2-1,
-		   MINI_TILEX+2,MINI_TILEY+2);
-  }
-  XCopyArea(display,drawto,drawto,gc,
-	    SX+29*MINI_TILEX,SY+26*MINI_TILEY,
-	    3*MINI_TILEX,3*MINI_TILEY,
-	    SX+29*MINI_TILEX-MINI_TILEX/2,SY+26*MINI_TILEY-MINI_TILEY/2);
-  DrawMiniElement(29,26,level.amoebe_inhalt);
-
-  for(i=0;i<11+3+2;i++)
-  {
-    XCopyArea(display,pix[PIX_DOOR],drawto,gc,
-	      DOOR_GFX_PAGEX4+ED_BUTTON_MINUS_XPOS,
-	      DOOR_GFX_PAGEY1+ED_BUTTON_MINUS_YPOS,
-	      DXSIZE-4,ED_BUTTON_MINUS_YSIZE,
-	      ED_COUNT_GADGET_XPOS,
-	      ED_COUNT_GADGET_YPOS+i*ED_COUNT_GADGET_YSIZE);
-
-    if (i<11)
-      DrawText(ED_COUNT_VALUE_XPOS,
-	       ED_COUNT_VALUE_YPOS+i*ED_COUNT_GADGET_YSIZE,
-	       int2str(level.score[i],3),FS_SMALL,FC_YELLOW);
-    else if (i==11)
-      DrawText(ED_COUNT_VALUE_XPOS,
-	       ED_COUNT_VALUE_YPOS+11*ED_COUNT_GADGET_YSIZE,
-	       int2str(level.tempo_amoebe,3),FS_SMALL,FC_YELLOW);
-    else if (i==12)
-      DrawText(ED_COUNT_VALUE_XPOS,
-	       ED_COUNT_VALUE_YPOS+12*ED_COUNT_GADGET_YSIZE,
-	       int2str(level.dauer_sieb,3),FS_SMALL,FC_YELLOW);
-    else if (i==13)
-      DrawText(ED_COUNT_VALUE_XPOS,
-	       ED_COUNT_VALUE_YPOS+13*ED_COUNT_GADGET_YSIZE,
-	       int2str(level.dauer_ablenk,3),FS_SMALL,FC_YELLOW);
-    else if (i==14)
-      DrawText(ED_COUNT_VALUE_XPOS,
-	       ED_COUNT_VALUE_YPOS+14*ED_COUNT_GADGET_YSIZE,
-	       int2str(level.edelsteine,3),FS_SMALL,FC_YELLOW);
-    else if (i==15)
-      DrawText(ED_COUNT_VALUE_XPOS,
-	       ED_COUNT_VALUE_YPOS+15*ED_COUNT_GADGET_YSIZE,
-	       int2str(level.time,3),FS_SMALL,FC_YELLOW);
-  }
-
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+0*ED_COUNT_TEXT_YSIZE,
-	   "Score for Emerald",FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+1*ED_COUNT_TEXT_YSIZE,
-	   "Score for Diamond",FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+2*ED_COUNT_TEXT_YSIZE,
-	   "Score for smashing a Bug",FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+3*ED_COUNT_TEXT_YSIZE,
-	   "Score for smashing a Spaceship",FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+4*ED_COUNT_TEXT_YSIZE,
-	   "Score for smashing a Cruncher",FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+5*ED_COUNT_TEXT_YSIZE,
-	   "Score for smashing an Alien",FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+6*ED_COUNT_TEXT_YSIZE,
-	   "Score for smashing a Pacman",FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+7*ED_COUNT_TEXT_YSIZE,
-	   "Score for cracking a nut",FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+8*ED_COUNT_TEXT_YSIZE,
-	   "Score for dynamite",FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+9*ED_COUNT_TEXT_YSIZE,
-	   "Score for key",FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+10*ED_COUNT_TEXT_YSIZE,
-	   "Score for each 10 seconds left",FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+11*ED_COUNT_TEXT_YSIZE,
-	   "Speed of the amoeba / Content",FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+12*ED_COUNT_TEXT_YSIZE,
-	   "Time for magic wall",FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+13*ED_COUNT_TEXT_YSIZE,
-	   "Time for wheel",FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+14*ED_COUNT_TEXT_YSIZE,
-	   "Emeralds needed in this level",FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_TEXT_XPOS,ED_COUNT_TEXT_YPOS+15*ED_COUNT_TEXT_YSIZE,
-	   "Time available for this level",FS_SMALL,FC_YELLOW);
-
-  XCopyArea(display,pix[PIX_DOOR],drawto,gc,
-	    DOOR_GFX_PAGEX4+ED_WIN_COUNT_XPOS,
-	    DOOR_GFX_PAGEY1+ED_WIN_COUNT_YPOS,
-	    ED_WIN_COUNT_XSIZE,ED_WIN_COUNT_YSIZE,
-	    ED_COUNT_GADGET_XPOS,
-	    ED_COUNT_GADGET_YPOS+16*ED_COUNT_GADGET_YSIZE);
-  for(i=1;i<31;i++)
-    XCopyArea(display,pix[PIX_DOOR],drawto,gc,
-	      DOOR_GFX_PAGEX4+ED_WIN_COUNT_XPOS+3+2*FONT2_XSIZE,
-	      DOOR_GFX_PAGEY1+ED_WIN_COUNT_YPOS,
-	      ED_WIN_COUNT_XSIZE-3-2*FONT2_XSIZE,ED_WIN_COUNT_YSIZE,
-	      ED_COUNT_GADGET_XPOS+3+i*FONT2_XSIZE,
-	      ED_COUNT_GADGET_YPOS+16*ED_COUNT_GADGET_YSIZE);
-  DrawText(ED_COUNT_GADGET_XPOS+5,
-	   ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-	   level.name,FS_SMALL,FC_YELLOW);
-  DrawText(ED_COUNT_GADGET_XPOS+(30+3)*FONT2_XSIZE-5,
-	   ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-	   "Title",FS_SMALL,FC_YELLOW);
-
-  DrawText(ED_SIZE_GADGET_XPOS,ED_SIZE_GADGET_YPOS-18,
-	   "Playfield size:",FS_SMALL,FC_YELLOW);
-  XCopyArea(display,pix[PIX_DOOR],drawto,gc,
-	    DOOR_GFX_PAGEX4+ED_BUTTON_MINUS_XPOS,
-	    DOOR_GFX_PAGEY1+ED_BUTTON_MINUS_YPOS,
-	    DXSIZE-4,ED_BUTTON_MINUS_YSIZE,
-	    ED_SIZE_GADGET_XPOS,
-	    ED_SIZE_GADGET_YPOS+0*ED_COUNT_GADGET_YSIZE);
-  XCopyArea(display,pix[PIX_DOOR],drawto,gc,
-	    DOOR_GFX_PAGEX4+ED_BUTTON_MINUS_XPOS,
-	    DOOR_GFX_PAGEY1+ED_BUTTON_MINUS_YPOS,
-	    DXSIZE-4,ED_BUTTON_MINUS_YSIZE,
-	    ED_SIZE_GADGET_XPOS,
-	    ED_SIZE_GADGET_YPOS+1*ED_COUNT_GADGET_YSIZE);
-  DrawText(ED_SIZE_TEXT_XPOS,ED_SIZE_TEXT_YPOS+0*ED_SIZE_TEXT_YSIZE,
-	   "Width",FS_SMALL,FC_YELLOW);
-  DrawText(ED_SIZE_TEXT_XPOS,ED_SIZE_TEXT_YPOS+1*ED_SIZE_TEXT_YSIZE,
-	   "Height",FS_SMALL,FC_YELLOW);
-  DrawText(ED_SIZE_VALUE_XPOS,ED_SIZE_VALUE_YPOS+0*ED_SIZE_GADGET_YSIZE,
-	   int2str(level.fieldx,3),FS_SMALL,FC_YELLOW);
-  DrawText(ED_SIZE_VALUE_XPOS,ED_SIZE_VALUE_YPOS+1*ED_SIZE_GADGET_YSIZE,
-	   int2str(level.fieldy,3),FS_SMALL,FC_YELLOW);
-}
-
-void ScrollMiniLevel(int from_x, int from_y, int scroll)
+static void HandleSelectboxGadgets(struct GadgetInfo *gi)
 {
-  int x,y;
-  int dx = (scroll==ED_SCROLL_LEFT ? -1 : scroll==ED_SCROLL_RIGHT ? 1 : 0);
-  int dy = (scroll==ED_SCROLL_UP   ? -1 : scroll==ED_SCROLL_DOWN  ? 1 : 0);
+  int type_id = gi->custom_type_id;
 
-  XCopyArea(display,drawto,drawto,gc,
-	    SX+MINI_TILEX*(dx==-1),SY+MINI_TILEY*(dy==-1),
-	    SXSIZE-MINI_TILEX*ABS(dx),SYSIZE-MINI_TILEY*ABS(dy),
-	    SX+MINI_TILEX*(dx==+1),SY+MINI_TILEY*(dy==+1));
-  if (dx)
-  {
-    x = (dx==1 ? 0 : 2*SCR_FIELDX-1);
-    for(y=0;y<2*SCR_FIELDY;y++)
-      DrawMiniElementOrWall(x,y,from_x,from_y);
-  }
-  else if (dy)
-  {
-    y = (dy==1 ? 0 : 2*SCR_FIELDY-1);
-    for(x=0;x<2*SCR_FIELDX;x++)
-      DrawMiniElementOrWall(x,y,from_x,from_y);
-  }
+  *selectbox_info[type_id].value =
+    selectbox_info[type_id].options[gi->selectbox.index].value;
 
-  redraw_mask |= REDRAW_FIELD;
-  BackToFront();
+  if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
+       type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
+      (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
+       type_id <= ED_SELECTBOX_ID_CHANGE_LAST))
+    CopyCustomElementPropertiesToGame(properties_element);
 }
 
-void AdjustLevelScrollPosition()
+static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
 {
-  if (level_xpos<-1)
-    level_xpos = -1;
-  if (level_xpos>lev_fieldx-2*SCR_FIELDX+1)
-    level_xpos = lev_fieldx-2*SCR_FIELDX+1;
-  if (lev_fieldx<2*SCR_FIELDX-2)
-    level_xpos = -1;
+  if (gi->custom_type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
+      gi->custom_type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
+  {
+    edit_mode_properties = gi->custom_type_id;
 
-  if (level_ypos<-1)
-    level_ypos = -1;
-  if (level_ypos>lev_fieldy-2*SCR_FIELDY+1)
-    level_ypos = lev_fieldy-2*SCR_FIELDY+1;
-  if (lev_fieldy<2*SCR_FIELDY-2)
-    level_ypos = -1;
+    DrawPropertiesWindow();
+  }
 }
 
-void FloodFill(int from_x, int from_y, int fill_element)
+static void HandleRadiobuttons(struct GadgetInfo *gi)
 {
-  int i,x,y;
-  int old_element;
-  static int check[4][2] = { {-1,0}, {0,-1}, {1,0}, {0,1} };
-  static int safety = 0;
-
-  /* check if starting field still has the desired content */
-  if (Feld[from_x][from_y] == fill_element)
-    return;
+  *radiobutton_info[gi->custom_type_id].value =
+    radiobutton_info[gi->custom_type_id].checked_value;
+}
 
-  safety++;
+static void HandleCheckbuttons(struct GadgetInfo *gi)
+{
+  int type_id = gi->custom_type_id;
 
-  if (safety > lev_fieldx*lev_fieldy)
-    Error(ERR_EXIT, "Something went wrong in 'FloodFill()'. Please debug.");
+  *checkbutton_info[type_id].value ^= TRUE;
 
-  old_element = Feld[from_x][from_y];
-  Feld[from_x][from_y] = fill_element;
+  if ((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
+       type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
+      (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
+       type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST))
+    CopyCustomElementPropertiesToGame(properties_element);
 
-  for(i=0;i<4;i++)
+  if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
   {
-    x = from_x + check[i][0];
-    y = from_y + check[i][1];
+    ModifyEditorElementList();
+    RedrawDrawingElements();
 
-    if (IN_LEV_FIELD(x,y) && Feld[x][y] == old_element)
-      FloodFill(x, y, fill_element);
+    DrawPropertiesAdvancedDrawingAreas();
   }
-
-  safety--;
 }
 
-void LevelEd(int mx, int my, int button)
+static void HandleControlButtons(struct GadgetInfo *gi)
 {
-  static int last_button = 0;
-  static int in_field_pressed = FALSE;
-  static boolean use_floodfill = FALSE;
-  int x = (mx-SX)/MINI_TILEX; 
-  int y = (my-SY)/MINI_TILEY; 
+  int id = gi->custom_id;
+  int button = gi->event.button;
+  int step = BUTTON_STEPSIZE(button);
+  int new_element = BUTTON_ELEMENT(button);
+  int x, y;
+
+  if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
+    DrawLevelText(0, 0, 0, TEXT_END);
+
+  if (id < ED_NUM_CTRL1_BUTTONS && id != GADGET_ID_PROPERTIES &&
+      id != GADGET_ID_PICK_ELEMENT && edit_mode != ED_MODE_DRAWING &&
+      drawing_function != GADGET_ID_PICK_ELEMENT &&
+      !(GetKeyModState() & KMOD_Control))
+  {
+    DrawDrawingWindow();
+    edit_mode = ED_MODE_DRAWING;
+  }
 
-  if (use_floodfill)		/********** FLOOD FILL **********/
+  switch (id)
   {
-    if (button)
-    {
-      if (mx>=SX && mx<SX+SXSIZE && my>=SY && my<SY+SYSIZE)
+    case GADGET_ID_SCROLL_LEFT:
+      if (level_xpos >= 0)
       {
-	int from_x, from_y;
-	int fill_element;
-
-	if (x>lev_fieldx || y>lev_fieldy ||
-	    (x==0 && level_xpos<0) ||
-	    (x==2*SCR_FIELDX-1 && level_xpos>lev_fieldx-2*SCR_FIELDX) ||
-	    (y==0 && level_ypos<0) ||
-	    (y==2*SCR_FIELDY-1 && level_ypos>lev_fieldy-2*SCR_FIELDY))
-	  return;
-
-	from_x = x+level_xpos;
-	from_y = y+level_ypos;
-	fill_element = (button==1 ? new_element1 :
-			button==2 ? new_element2 :
-			button==3 ? new_element3 : 0);
-
-	FloodFill(from_x,from_y,fill_element);
-	DrawMiniLevel(level_xpos,level_ypos);
-      }
+	if (lev_fieldx < ed_fieldx - 2)
+	  break;
 
-      use_floodfill = FALSE;
-      CloseDoor(DOOR_CLOSE_1);
-      OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
-    }
-    return;
-  }
-  else				/********** EDIT/CTRL-FENSTER **********/
-  {
-    static long choice_delay = 0;
-    int choice = CheckElemButtons(mx,my,button);
-    int elem_pos = choice-ED_BUTTON_ELEM;
+	level_xpos -= step;
+	if (level_xpos < -1)
+	  level_xpos = -1;
+	if (button == 1)
+	  ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
+	else
+	  DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
 
-    if (((choice == ED_BUTTON_EUP && element_shift>0) ||
-	 (choice == ED_BUTTON_EDOWN &&
-	  element_shift<elements_in_list-MAX_ELEM_X*MAX_ELEM_Y)) &&
-	DelayReached(&choice_delay, CHOICE_DELAY_VALUE))
-    {
-      int i, step;
-
-      step = (button==1 ? MAX_ELEM_X : button==2 ? 5*MAX_ELEM_X :
-	      elements_in_list);
-      element_shift += (choice==ED_BUTTON_EUP ? -step : step);
-      if (element_shift<0)
-	element_shift = 0;
-      if (element_shift>elements_in_list-MAX_ELEM_X*MAX_ELEM_Y)
-	element_shift = elements_in_list-MAX_ELEM_X*MAX_ELEM_Y;
-      if (element_shift % MAX_ELEM_X)
-	element_shift += MAX_ELEM_X-(element_shift % MAX_ELEM_X);
-
-      for(i=0;i<MAX_ELEM_X*MAX_ELEM_Y;i++)
-	DrawElemButton(i+2,ED_BUTTON_RELEASED);
-    }
-    else if (elem_pos>=0 && elem_pos<MAX_ELEM_X*MAX_ELEM_Y)
-    {
-      int new_element;
+	ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
+		     GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
+      }
+      break;
 
-      if (elem_pos+element_shift < elements_in_list)
-	new_element = editor_element[elem_pos+element_shift];
-      else
-	new_element = EL_LEERRAUM;
-
-      if (last_button==1)
-	new_element1 = new_element;
-      else if (last_button==2)
-	new_element2 = new_element;
-      else if (last_button==3)
-	new_element3 = new_element;
-
-      DrawMiniGraphicExt(drawto,gc,
-			 DX+ED_WIN_MB_LEFT_XPOS,
-			 DY+ED_WIN_MB_LEFT_YPOS,
-			 el2gfx(new_element1));
-      DrawMiniGraphicExt(drawto,gc,
-			 DX+ED_WIN_MB_MIDDLE_XPOS,
-			 DY+ED_WIN_MB_MIDDLE_YPOS,
-			 el2gfx(new_element2));
-      DrawMiniGraphicExt(drawto,gc,
-			 DX+ED_WIN_MB_RIGHT_XPOS,
-			 DY+ED_WIN_MB_RIGHT_YPOS,
-			 el2gfx(new_element3));
-      redraw_mask |= REDRAW_DOOR_1;
-    }
-  
-    if (edit_mode)		/********** EDIT-FENSTER **********/
-    {
-      switch(CheckEditButtons(mx,my,button))
+    case GADGET_ID_SCROLL_RIGHT:
+      if (level_xpos <= lev_fieldx - ed_fieldx)
       {
-	case ED_BUTTON_CTRL:
-	  CloseDoor(DOOR_CLOSE_2);
-	  DrawControlWindow();
-	  XCopyArea(display,pix[PIX_DOOR],pix[PIX_DB_DOOR],gc,
-		    DOOR_GFX_PAGEX4,DOOR_GFX_PAGEY1+80,
-		    VXSIZE,VYSIZE,
-		    DOOR_GFX_PAGEX1,DOOR_GFX_PAGEY2);
-	  OpenDoor(DOOR_OPEN_2);
-	  edit_mode = FALSE;
-	  break;
-	case ED_BUTTON_FILL:
-	  Request("Caution ! Flood fill mode ! Choose area !",REQ_OPEN);
-	  use_floodfill = TRUE;
-	  return;
-	  break;
-	case ED_BUTTON_LEFT:
-	  if (level_xpos>=0)
-	  {
-	    if (!DelayReached(&choice_delay, CHOICE_DELAY_VALUE))
-	      break;
-	    if (lev_fieldx<2*SCR_FIELDX-2)
-	      break;
-
-	    level_xpos -= (button==1 ? 1 : button==2 ? 5 : lev_fieldx);
-	    if (level_xpos<-1)
-	      level_xpos = -1;
-	    if (button==1)
-	      ScrollMiniLevel(level_xpos,level_ypos,ED_SCROLL_RIGHT);
-	    else
-	      DrawMiniLevel(level_xpos,level_ypos);
-	  }
-	  break;
-	case ED_BUTTON_RIGHT:
-	  if (level_xpos<=lev_fieldx-2*SCR_FIELDX)
-	  {
-	    if (!DelayReached(&choice_delay, CHOICE_DELAY_VALUE))
-	      break;
-	    if (lev_fieldx<2*SCR_FIELDX-2)
-	      break;
-
-	    level_xpos += (button==1 ? 1 : button==2 ? 5 : lev_fieldx);
-	    if (level_xpos>lev_fieldx-2*SCR_FIELDX+1)
-	      level_xpos = lev_fieldx-2*SCR_FIELDX+1;
-	    if (button==1)
-	      ScrollMiniLevel(level_xpos,level_ypos,ED_SCROLL_LEFT);
-	    else
-	      DrawMiniLevel(level_xpos,level_ypos);
-	  }
+	if (lev_fieldx < ed_fieldx - 2)
 	  break;
-	case ED_BUTTON_UP:
-	  if (level_ypos>=0)
-	  {
-	    if (!DelayReached(&choice_delay, CHOICE_DELAY_VALUE))
-	      break;
-	    if (lev_fieldy<2*SCR_FIELDY-2)
-	      break;
-
-	    level_ypos -= (button==1 ? 1 : button==2 ? 5 : lev_fieldy);
-	    if (level_ypos<-1)
-	      level_ypos = -1;
-	    if (button==1)
-	      ScrollMiniLevel(level_xpos,level_ypos,ED_SCROLL_DOWN);
-	    else
-	      DrawMiniLevel(level_xpos,level_ypos);
-	  }
-	  break;
-	case ED_BUTTON_DOWN:
-	  if (level_ypos<=lev_fieldy-2*SCR_FIELDY)
-	  {
-	    if (!DelayReached(&choice_delay, CHOICE_DELAY_VALUE))
-	      break;
-	    if (lev_fieldy<2*SCR_FIELDY-2)
-	      break;
-
-	    level_ypos += (button==1 ? 1 : button==2 ? 5 : lev_fieldy);
-	    if (level_ypos>lev_fieldy-2*SCR_FIELDY+1)
-	      level_ypos = lev_fieldy-2*SCR_FIELDY+1;
-	    if (button==1)
-	      ScrollMiniLevel(level_xpos,level_ypos,ED_SCROLL_UP);
-	    else
-	      DrawMiniLevel(level_xpos,level_ypos);
-	  }
-	  break;
-	default:
+
+	level_xpos += step;
+	if (level_xpos > lev_fieldx - ed_fieldx + 1)
+	  level_xpos = lev_fieldx - ed_fieldx + 1;
+	if (button == 1)
+	  ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
+	else
+	  DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
+
+	ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
+		     GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
+      }
+      break;
+
+    case GADGET_ID_SCROLL_UP:
+      if (level_ypos >= 0)
+      {
+	if (lev_fieldy < ed_fieldy - 2)
 	  break;
+
+	level_ypos -= step;
+	if (level_ypos < -1)
+	  level_ypos = -1;
+	if (button == 1)
+	  ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
+	else
+	  DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
+
+	ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
+		     GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
       }
+      break;
 
-      if (mx>=SX && mx<SX+SXSIZE && my>=SY && my<SY+SYSIZE)
+    case GADGET_ID_SCROLL_DOWN:
+      if (level_ypos <= lev_fieldy - ed_fieldy)
       {
-	int new_element;
+	if (lev_fieldy < ed_fieldy - 2)
+	  break;
 
-	if (button && !motion_status)
-	  in_field_pressed = TRUE;
+	level_ypos += step;
+	if (level_ypos > lev_fieldy - ed_fieldy + 1)
+	  level_ypos = lev_fieldy - ed_fieldy + 1;
+	if (button == 1)
+	  ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
+	else
+	  DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
 
-	if (!button || !in_field_pressed || button<1 || button>3 ||
-	    (y==0 && level_ypos<0) ||
-	    (y==2*SCR_FIELDY-1 && level_ypos>lev_fieldy-2*SCR_FIELDY) ||
-	    (x==0 && level_xpos<0) ||
-	    (x==2*SCR_FIELDX-1 && level_xpos>lev_fieldx-2*SCR_FIELDX) ||
-	    x>lev_fieldx || y>lev_fieldy)
-	  return;
+	ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
+		     GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
+      }
+      break;
+
+    case GADGET_ID_SCROLL_HORIZONTAL:
+      level_xpos = gi->event.item_position - 1;
+      DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
+      break;
+
+    case GADGET_ID_SCROLL_VERTICAL:
+      level_ypos = gi->event.item_position - 1;
+      DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
+      break;
+
+    case GADGET_ID_SCROLL_LIST_UP:
+    case GADGET_ID_SCROLL_LIST_DOWN:
+    case GADGET_ID_SCROLL_LIST_VERTICAL:
+      if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
+	element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
+      else
+      {
+	step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
+	element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
 
-	new_element = (button==1 ? new_element1 :
-		       button==2 ? new_element2 :
-		       button==3 ? new_element3 : 0);
+	if (element_shift < 0)
+	  element_shift = 0;
+	if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
+	  element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
 
-	if (new_element != Feld[x+level_xpos][y+level_ypos])
-	{
-	  if (new_element==EL_SPIELFIGUR) /* Jeder nur EINE Figur bitte... */
-	  {
-	    int x,y;
+	ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
+		     GDI_SCROLLBAR_ITEM_POSITION,
+		     element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
+      }
 
-	    for(x=0;x<lev_fieldx;x++) for(y=0;y<lev_fieldy;y++)
-	    {
-	      if (Feld[x][y]==EL_SPIELFIGUR || Feld[x][y]==EL_SPIELER1)
-	      {
-		Feld[x][y] = EL_LEERRAUM;
-		if (x-level_xpos>=0 && x-level_xpos<2*SCR_FIELDX &&
-		    y-level_ypos>=0 && y-level_ypos<2*SCR_FIELDY)
-		  DrawMiniElement(x-level_xpos,y-level_ypos,EL_LEERRAUM);
-	      }
-	    }
-	  }
+      ModifyEditorElementList();
+
+      break;
+
+    case GADGET_ID_WRAP_LEFT:
+      WrapLevel(-step, 0);
+      break;
+
+    case GADGET_ID_WRAP_RIGHT:
+      WrapLevel(step, 0);
+      break;
+
+    case GADGET_ID_WRAP_UP:
+      WrapLevel(0, -step);
+      break;
+
+    case GADGET_ID_WRAP_DOWN:
+      WrapLevel(0, step);
+      break;
+
+    case GADGET_ID_SINGLE_ITEMS:
+    case GADGET_ID_CONNECTED_ITEMS:
+    case GADGET_ID_LINE:
+    case GADGET_ID_ARC:
+    case GADGET_ID_TEXT:
+    case GADGET_ID_RECTANGLE:
+    case GADGET_ID_FILLED_BOX:
+    case GADGET_ID_FLOOD_FILL:
+    case GADGET_ID_GRAB_BRUSH:
+    case GADGET_ID_PICK_ELEMENT:
+      if (drawing_function != GADGET_ID_PICK_ELEMENT)
+	last_drawing_function = drawing_function;
+      drawing_function = id;
+      draw_with_brush = FALSE;
+      break;
+
+    case GADGET_ID_RANDOM_PLACEMENT:
+      RandomPlacement(new_element);
+      break;
+
+    case GADGET_ID_PROPERTIES:
+      if (edit_mode != ED_MODE_PROPERTIES)
+      {
+	properties_element = new_element;
+	DrawPropertiesWindow();
+	edit_mode = ED_MODE_PROPERTIES;
+      }
+      else
+      {
+	DrawDrawingWindow();
+	edit_mode = ED_MODE_DRAWING;
+      }
+      break;
 
-	  Feld[x+level_xpos][y+level_ypos] = new_element;
-	  DrawMiniElement(x,y,new_element);
-	}
+    case GADGET_ID_UNDO:
+      if (undo_buffer_steps == 0)
+      {
+	Request("Undo buffer empty !", REQ_CONFIRM);
+	break;
       }
-      else if (!motion_status)	/* Mauszeiger nicht im Level-Feld */
-	in_field_pressed = FALSE;
-    }
-    else			/********** KONTROLL-FENSTER **********/
-    {
-      int choice = CheckCountButtons(mx,my,button);
-      int step = (button==1 ? 1 : button==2 ? 5 : button==3 ? 10 : 0);
 
-      if (choice >= 0 && choice < 36 &&
-	  DelayReached(&choice_delay, CHOICE_DELAY_VALUE))
+      if (edit_mode != ED_MODE_DRAWING)
       {
-	if (!(choice % 2))
-	  step = -step;
+	DrawDrawingWindow();
+	edit_mode = ED_MODE_DRAWING;
+      }
 
-	choice /= 2;
+      undo_buffer_position =
+	(undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
+      undo_buffer_steps--;
 
-	if (choice<11)
-	{
-	  level.score[choice] += step;
-	  if (level.score[choice]<0)
-	    level.score[choice] = 0;
-	  else if (level.score[choice]>255)
-	    level.score[choice] = 255;
-	}
-	else if (choice==11)
-	{
-	  level.tempo_amoebe += step;
-	  if (level.tempo_amoebe<0)
-	    level.tempo_amoebe = 0;
-	  else if (level.tempo_amoebe>255)
-	    level.tempo_amoebe = 255;
-	}
-	else if (choice==12)
-	{
-	  level.dauer_sieb += step;
-	  if (level.dauer_sieb<0)
-	    level.dauer_sieb = 0;
-	  else if (level.dauer_sieb>255)
-	    level.dauer_sieb = 255;
-	}
-	else if (choice==13)
-	{
-	  level.dauer_ablenk += step;
-	  if (level.dauer_ablenk<0)
-	    level.dauer_ablenk = 0;
-	  else if (level.dauer_ablenk>255)
-	    level.dauer_ablenk = 255;
-	}
-	else if (choice==14)
-	{
-	  level.edelsteine += step;
-	  if (level.edelsteine<0)
-	    level.edelsteine = 0;
-	  else if (level.edelsteine>999)
-	    level.edelsteine = 999;
-	}
-	else if (choice==15)
-	{
-	  level.time += step;
-	  if (level.time<0)
-	    level.time = 0;
-	  else if (level.time>999)
-	    level.time = 999;
-	}
-	else if (choice==16)
-	{
-	  lev_fieldx += step;
-	  if (lev_fieldx<MIN_LEV_FIELDX)
-	    lev_fieldx = MIN_LEV_FIELDX;
-	  else if (lev_fieldx>MAX_LEV_FIELDX)
-	    lev_fieldx = MAX_LEV_FIELDX;
-	  level.fieldx = lev_fieldx;
-	}
-	else if (choice==17)
-	{
-	  lev_fieldy += step;
-	  if (lev_fieldy<MIN_LEV_FIELDY)
-	    lev_fieldy = MIN_LEV_FIELDY;
-	  else if (lev_fieldy>MAX_LEV_FIELDY)
-	    lev_fieldy = MAX_LEV_FIELDY;
-	  level.fieldy = lev_fieldy;
-	}
+      for(x=0; x<lev_fieldx; x++)
+	for(y=0; y<lev_fieldy; y++)
+	  Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
+      DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos,level_ypos);
+      break;
 
-	if (choice<11)
-	  DrawText(ED_COUNT_VALUE_XPOS,
-		   ED_COUNT_VALUE_YPOS+choice*ED_COUNT_GADGET_YSIZE,
-		   int2str(level.score[choice],3),FS_SMALL,FC_YELLOW);
-	else if (choice==11)
-	  DrawText(ED_COUNT_VALUE_XPOS,
-		   ED_COUNT_VALUE_YPOS+11*ED_COUNT_GADGET_YSIZE,
-		   int2str(level.tempo_amoebe,3),FS_SMALL,FC_YELLOW);
-	else if (choice==12)
-	  DrawText(ED_COUNT_VALUE_XPOS,
-		   ED_COUNT_VALUE_YPOS+12*ED_COUNT_GADGET_YSIZE,
-		   int2str(level.dauer_sieb,3),FS_SMALL,FC_YELLOW);
-	else if (choice==13)
-	  DrawText(ED_COUNT_VALUE_XPOS,
-		   ED_COUNT_VALUE_YPOS+13*ED_COUNT_GADGET_YSIZE,
-		   int2str(level.dauer_ablenk,3),FS_SMALL,FC_YELLOW);
-	else if (choice==14)
-	  DrawText(ED_COUNT_VALUE_XPOS,
-		   ED_COUNT_VALUE_YPOS+14*ED_COUNT_GADGET_YSIZE,
-		   int2str(level.edelsteine,3),FS_SMALL,FC_YELLOW);
-	else if (choice==15)
-	  DrawText(ED_COUNT_VALUE_XPOS,
-		   ED_COUNT_VALUE_YPOS+15*ED_COUNT_GADGET_YSIZE,
-		   int2str(level.time,3),FS_SMALL,FC_YELLOW);
-	else if (choice==16)
-	  DrawText(ED_SIZE_VALUE_XPOS,
-		   ED_SIZE_VALUE_YPOS+0*ED_SIZE_GADGET_YSIZE,
-		   int2str(level.fieldx,3),FS_SMALL,FC_YELLOW);
-	else if (choice==17)
-	  DrawText(ED_SIZE_VALUE_XPOS,
-		   ED_SIZE_VALUE_YPOS+1*ED_SIZE_GADGET_YSIZE,
-		   int2str(level.fieldy,3),FS_SMALL,FC_YELLOW);
-
-	redraw_mask &= ~REDRAW_FIELD;
-	if (choice<16)
-	  XCopyArea(display,drawto,window,gc,
-		    ED_COUNT_VALUE_XPOS,
-		    ED_COUNT_VALUE_YPOS+choice*ED_COUNT_GADGET_YSIZE,
-		    3*FONT2_XSIZE,FONT2_YSIZE,
-		    ED_COUNT_VALUE_XPOS,
-		    ED_COUNT_VALUE_YPOS+choice*ED_COUNT_GADGET_YSIZE);
-	else
-	  XCopyArea(display,drawto,window,gc,
-		    ED_SIZE_VALUE_XPOS,
-		    ED_SIZE_VALUE_YPOS+(choice-16)*ED_SIZE_GADGET_YSIZE,
-		    3*FONT2_XSIZE,FONT2_YSIZE,
-		    ED_SIZE_VALUE_XPOS,
-		    ED_SIZE_VALUE_YPOS+(choice-16)*ED_SIZE_GADGET_YSIZE);
-	XFlush(display);
+    case GADGET_ID_INFO:
+      if (edit_mode != ED_MODE_INFO)
+      {
+	DrawLevelInfoWindow();
+	edit_mode = ED_MODE_INFO;
       }
-
-      switch(CheckCtrlButtons(mx,my,button))
+      else
       {
-	case ED_BUTTON_EDIT:
-	  CloseDoor(DOOR_CLOSE_2);
-	  AdjustLevelScrollPosition();
-	  DrawMiniLevel(level_xpos,level_ypos);
-	  XCopyArea(display,pix[PIX_DOOR],pix[PIX_DB_DOOR],gc,
-		    DOOR_GFX_PAGEX6,DOOR_GFX_PAGEY2,
-		    VXSIZE,VYSIZE,
-		    DOOR_GFX_PAGEX1,DOOR_GFX_PAGEY2);
-	  OpenDoor(DOOR_OPEN_2);
-	  edit_mode = TRUE;
-	  break;
-	case ED_BUTTON_CLEAR:
-	  if (Request("Are you sure to clear this level ?",REQ_ASK))
-	  {
-	    for(x=0;x<MAX_LEV_FIELDX;x++) 
-	      for(y=0;y<MAX_LEV_FIELDY;y++) 
-		Feld[x][y] = EL_ERDREICH;
-	    DrawMiniLevel(level_xpos,level_ypos);
-	  }
-	  break;
-	case ED_BUTTON_UNDO:
-	  if (leveldir[leveldir_nr].readonly ||
-	      Request("Exit without saving ?",REQ_ASK | REQ_STAY_OPEN))
-	  {
-	    CloseDoor(DOOR_CLOSE_BOTH);
-	    game_status=MAINMENU;
-	    DrawMainMenu();
-	  }
-	  else
-	  {
-	    CloseDoor(DOOR_CLOSE_1);
-	    OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
-	  }
-	  break;
-	case ED_BUTTON_EXIT:
-	  {
-	    int figur_vorhanden = FALSE;
+	DrawDrawingWindow();
+	edit_mode = ED_MODE_DRAWING;
+      }
+      break;
 
-	    if (leveldir[leveldir_nr].readonly)
-	    {
-	      Request("This level is read only !",REQ_CONFIRM);
-	      break;
-	    }
+    case GADGET_ID_CLEAR:
+      if (edit_mode != ED_MODE_DRAWING)
+      {
+	DrawDrawingWindow();
+	edit_mode = ED_MODE_DRAWING;
+      }
 
-	    for(y=0;y<lev_fieldy;y++) 
-	      for(x=0;x<lev_fieldx;x++)
-		if (Feld[x][y]==EL_SPIELFIGUR || Feld[x][y]==EL_SPIELER1) 
-		  figur_vorhanden = TRUE;
+      for(x=0; x<MAX_LEV_FIELDX; x++) 
+	for(y=0; y<MAX_LEV_FIELDY; y++) 
+	  Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
+      CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
 
-	    if (!figur_vorhanden)
-	      Request("No Level without Gregor Mc Duffin please !",
-			 REQ_CONFIRM);
-	    else
-	    {
-	      if (Request("Save this level and kill the old ?",
-			     REQ_ASK | REQ_STAY_OPEN))
-	      {
-		for(x=0;x<lev_fieldx;x++)
-		  for(y=0;y<lev_fieldy;y++) 
-		    Ur[x][y]=Feld[x][y];
-		SaveLevel(level_nr);
-	      }
-	      CloseDoor(DOOR_CLOSE_BOTH);
-	      game_status=MAINMENU;
-	      DrawMainMenu();
-	    }
-	  }
-	  break;
-	default:
-	  break;
-      }
+      DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
+      break;
 
-      if (mx>=ED_COUNT_GADGET_XPOS &&
-	  mx<ED_COUNT_GADGET_XPOS+31*FONT2_XSIZE+10 &&
-	  my>=ED_COUNT_GADGET_YPOS+16*ED_COUNT_GADGET_YSIZE &&
-	  my<ED_COUNT_GADGET_YPOS+16*ED_COUNT_GADGET_YSIZE+ED_WIN_COUNT_YSIZE)
+    case GADGET_ID_SAVE:
+      if (leveldir_current->readonly)
       {
-	if (!name_typing)
-	{
-	  name_typing = TRUE;
-	  DrawText(ED_COUNT_GADGET_XPOS+5,
-		   ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-		   level.name,FS_SMALL,FC_GREEN);
-	  DrawText(ED_COUNT_GADGET_XPOS+5+strlen(level.name)*FONT2_XSIZE,
-		   ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-		   "<",FS_SMALL,FC_RED);
-	}
+	Request("This level is read only !", REQ_CONFIRM);
+	break;
       }
+
+      if (!LevelContainsPlayer)
+	Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
       else
       {
-	if (name_typing)
+	if (Request("Save this level and kill the old ?", REQ_ASK))
 	{
-	  name_typing = FALSE;
-	  DrawText(ED_COUNT_GADGET_XPOS+5,
-		   ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-		   level.name,FS_SMALL,FC_YELLOW);
-	  DrawText(ED_COUNT_GADGET_XPOS+5+strlen(level.name)*FONT2_XSIZE,
-		   ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-		   " ",FS_SMALL,FC_RED);
+	  CopyPlayfield(Feld, Ur);
+
+	  SaveLevel(level_nr);
 	}
       }
+      break;
 
-      if (mx>=SX+29*MINI_TILEX && mx<SX+30*MINI_TILEX &&
-	  my>=SY+26*MINI_TILEY && my<SY+27*MINI_TILEY)
+    case GADGET_ID_TEST:
+      if (!LevelContainsPlayer)
+	Request("No Level without Gregor Mc Duffin please !", REQ_CONFIRM);
+      else
       {
-	int new_element;
+	if (LevelChanged())
+	  level.game_version = GAME_VERSION_ACTUAL;
 
-	if (!button || button<1 || button>3)
-	  return;
+	CopyPlayfield(Ur, FieldBackup);
+	CopyPlayfield(Feld, Ur);
 
-	new_element = (button==1 ? new_element1 :
-		       button==2 ? new_element2 :
-		       button==3 ? new_element3 : 0);
+	UnmapLevelEditorGadgets();
+	UndrawSpecialEditorDoor();
 
-	if (new_element != level.amoebe_inhalt)
-	{
-	  level.amoebe_inhalt = new_element;
-	  DrawMiniElement(29,26,new_element);
-	}
+	CloseDoor(DOOR_CLOSE_ALL);
+
+	DrawCompleteVideoDisplay();
+
+	if (setup.autorecord)
+	  TapeStartRecording();
+
+	level_editor_test_game = TRUE;
+	game_status = GAME_MODE_PLAYING;
+
+	InitGame();
       }
+      break;
+
+    case GADGET_ID_EXIT:
+      RequestExitLevelEditor(TRUE);	/* if level has changed, ask user */
+      break;
 
-      if (mx>=SX+1*MINI_TILEX && mx<SX+(1+4*5)*MINI_TILEX &&
-	  my>=SY+2*MINI_TILEY && my<SY+(2+3)*MINI_TILEY)
+    default:
+      if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
+	  id <= GADGET_ID_ELEMENTLIST_LAST)
       {
-	int x = (mx-SX-1*MINI_TILEX)/MINI_TILEX;
-	int y = (my-SY-2*MINI_TILEY)/MINI_TILEY;
-	int i = x/5;
-	int new_element;
+	int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
+	int new_element = editor_elements[element_position + element_shift];
 
-	x = x-i*5;
-	if (i>=0 && i<43 && x>=0 && x<3 && y>=0 && y<3)
+	PickDrawingElement(button, new_element);
+
+	if (!stick_element_properties_window &&
+	    drawing_function != GADGET_ID_PICK_ELEMENT &&
+	    !(GetKeyModState() & KMOD_Control))
 	{
-	  if (button && !motion_status)
-	    in_field_pressed = TRUE;
+	  properties_element = new_element;
+	  if (edit_mode == ED_MODE_PROPERTIES)
+	    DrawPropertiesWindow();
+	}
 
-	  if (!button || !in_field_pressed || button<1 || button>3)
-	    return;
+	if (drawing_function == GADGET_ID_PICK_ELEMENT)
+	  ClickOnGadget(level_editor_gadget[last_drawing_function],
+			MB_LEFTBUTTON);
+      }
+#ifdef DEBUG
+      else if (gi->event.type == GD_EVENT_PRESSED)
+	printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
+      else if (gi->event.type == GD_EVENT_RELEASED)
+	printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
+      else if (gi->event.type == GD_EVENT_MOVING)
+	printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
+      else
+	printf("default: HandleControlButtons: ? (id == %d)\n", id);
+#endif
+      break;
+  }
+}
 
-	  new_element = (button==1 ? new_element1 :
-			 button==2 ? new_element2 :
-			 button==3 ? new_element3 : 0);
+void HandleLevelEditorKeyInput(Key key)
+{
+  char letter = getCharFromKey(key);
+  int button = MB_LEFTBUTTON;
 
-	  if (new_element != level.mampfer_inhalt[i][x][y])
-	  {
-	    level.mampfer_inhalt[i][x][y] = new_element;
-	    DrawMiniElement(1+5*i+x,2+y,new_element);
-	  }
+  if (drawing_function == GADGET_ID_TEXT &&
+      DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
+  {
+    if (letter)
+      DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
+    else if (key == KSYM_Delete || key == KSYM_BackSpace)
+      DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
+    else if (key == KSYM_Return)
+      DrawLevelText(0, 0, 0, TEXT_NEWLINE);
+    else if (key == KSYM_Escape)
+      DrawLevelText(0, 0, 0, TEXT_END);
+  }
+  else if (button_status == MB_RELEASED)
+  {
+    int i, id = GADGET_ID_NONE;
+
+    switch (key)
+    {
+      case KSYM_Left:
+	id = GADGET_ID_SCROLL_LEFT;
+	break;
+      case KSYM_Right:
+	id = GADGET_ID_SCROLL_RIGHT;
+	break;
+      case KSYM_Up:
+	id = GADGET_ID_SCROLL_UP;
+	break;
+      case KSYM_Down:
+	id = GADGET_ID_SCROLL_DOWN;
+	break;
+      case KSYM_Page_Up:
+	id = GADGET_ID_SCROLL_LIST_UP;
+	button = MB_RIGHTBUTTON;
+	break;
+      case KSYM_Page_Down:
+	id = GADGET_ID_SCROLL_LIST_DOWN;
+	button = MB_RIGHTBUTTON;
+	break;
+
+      case KSYM_Escape:
+        if (edit_mode == ED_MODE_DRAWING)
+	{
+	  RequestExitLevelEditor(setup.ask_on_escape);
 	}
-	else if (!motion_status)/* Mauszeiger nicht im Cruncher-Feld */
-	  in_field_pressed = FALSE;
-      }
-      else if (!motion_status)	/* Mauszeiger nicht im Cruncher-Feld */
-	in_field_pressed = FALSE;
+        else
+	{
+	  DrawDrawingWindow();
+	  edit_mode = ED_MODE_DRAWING;
+	}
+        break;
+
+      default:
+	break;
     }
+
+    if (id != GADGET_ID_NONE)
+      ClickOnGadget(level_editor_gadget[id], button);
+    else if (letter == '.')
+      ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
+    else if (key == KSYM_Return || key == setup.shortcut.toggle_pause)
+      ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
+    else
+      for (i=0; i<ED_NUM_CTRL_BUTTONS; i++)
+	if (letter && letter == control_info[i].shortcut)
+	  if (!anyTextGadgetActive())
+	    ClickOnGadget(level_editor_gadget[i], button);
   }
+}
 
-  last_button = button;
+void HandleLevelEditorIdle()
+{
+  static unsigned long action_delay = 0;
+  unsigned long action_delay_value = GameFrameDelay;
+  int xpos = 1, ypos = 2;
 
-  BackToFront();
+  if (edit_mode != ED_MODE_PROPERTIES)
+    return;
+
+  if (!DelayReached(&action_delay, action_delay_value))
+    return;
+
+  DrawGraphicAnimationExt(drawto,
+			  SX + xpos * TILEX,
+			  SY + ypos * TILEY + MINI_TILEY / 2,
+			  el2img(properties_element), -1, NO_MASKING);
+
+  MarkTileDirty(xpos, ypos);
+  MarkTileDirty(xpos, ypos + 1);
+
+  FrameCounter++;	/* increase animation frame counter */
+}
+
+void ClearEditorGadgetInfoText()
+{
+  DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
 }
 
-void LevelNameTyping(KeySym key)
+void HandleEditorGadgetInfoText(void *ptr)
 {
-  unsigned char ascii = 0;
-  int len = strlen(level.name);
+  struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
+  char infotext[MAX_OUTPUT_LINESIZE + 1];
+  char shortcut[MAX_OUTPUT_LINESIZE + 1];
+  int max_infotext_len = getMaxInfoTextLength();
 
-  if (!name_typing)
+  if (game_status != GAME_MODE_EDITOR)
     return;
 
-  if (key>=XK_A && key<=XK_Z)
-    ascii = 'A'+(char)(key-XK_A);
-  else if (key>=XK_a && key<=XK_z)
-    ascii = 'a'+(char)(key-XK_a);
-  else if (key>=XK_0 && key<=XK_9)
-    ascii = '0'+(char)(key-XK_0);
-#ifdef XK_LATIN1
-  else if (key>=XK_space && key<=XK_at)
-    ascii = ' '+(char)(key-XK_space);
-  else if (key==XK_Adiaeresis)
-    ascii = 'Ä';
-  else if (key==XK_Odiaeresis)
-    ascii = 'Ö';
-  else if (key==XK_Udiaeresis)
-    ascii = 'Ü';
-  else if (key==XK_adiaeresis)
-    ascii = 'ä';
-  else if (key==XK_odiaeresis)
-    ascii = 'ö';
-  else if (key==XK_udiaeresis)
-    ascii = 'ü';
-  else if (key==XK_underscore)
-    ascii = '_';
-#endif
+  ClearEditorGadgetInfoText();
+
+  if (gi->event.type == GD_EVENT_INFO_LEAVING)
+    return;
+
+  /* misuse this function to delete brush cursor, if needed */
+  if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
+    DeleteBrushFromCursor();
+
+  if (gi == NULL || gi->info_text == NULL)
+    return;
+
+  strncpy(infotext, gi->info_text, max_infotext_len);
+  infotext[max_infotext_len] = '\0';
+
+  if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
+  {
+    int key = control_info[gi->custom_id].shortcut;
+
+    if (key)
+    {
+      if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)	/* special case 1 */
+	sprintf(shortcut, " ('.' or '%c')", key);
+      else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)	/* special case 2 */
+	sprintf(shortcut, " ('%c' or 'Ctrl')", key);
+      else if (gi->custom_id == GADGET_ID_TEST)		/* special case 3 */
+	sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
+      else						/* normal case */
+	sprintf(shortcut, " ('%s%c')",
+		(key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
+
+      if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
+	strcat(infotext, shortcut);
+    }
+  }
+
+  DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
+}
+
+static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
+{
+  static int start_lx, start_ly;
+  char *infotext;
+  int id = gi->custom_id;
+  int sx = gi->event.x;
+  int sy = gi->event.y;
+  int lx = sx + level_xpos;
+  int ly = sy + level_ypos;
+  int min_sx = 0, min_sy = 0;
+  int max_sx = gi->drawing.area_xsize - 1;
+  int max_sy = gi->drawing.area_ysize - 1;
+  int actual_drawing_function = drawing_function;
+
+  /* pressed Control key: simulate picking element */
+  if (GetKeyModState() & KMOD_Control)
+    actual_drawing_function = GADGET_ID_PICK_ELEMENT;
+
+  ClearEditorGadgetInfoText();
+
+  if (gi->event.type == GD_EVENT_INFO_LEAVING)
+    return;
+
+  /* make sure to stay inside drawing area boundaries */
+  sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
+  sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
+
+  if (id == GADGET_ID_DRAWING_LEVEL)
+  {
+    if (button_status)
+    {
+      int min_lx = 0, min_ly = 0;
+      int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
+
+      /* get positions inside level field */
+      lx = sx + level_xpos;
+      ly = sy + level_ypos;
+
+      /* make sure to stay inside level field boundaries */
+      lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
+      ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
 
-  if (ascii && len<MAX_LEVNAMLEN-2)
-  {
-    level.name[len] = ascii;
-    level.name[len+1] = 0;
-    len++;
-
-    DrawTextExt(drawto,gc,
-		ED_COUNT_GADGET_XPOS+5,
-		ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-		level.name,FS_SMALL,FC_GREEN);
-    DrawTextExt(window,gc,
-		ED_COUNT_GADGET_XPOS+5,
-		ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-		level.name,FS_SMALL,FC_GREEN);
-    DrawTextExt(drawto,gc,
-		ED_COUNT_GADGET_XPOS+5+len*FONT2_XSIZE,
-		ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-		"<",FS_SMALL,FC_RED);
-    DrawTextExt(window,gc,
-		ED_COUNT_GADGET_XPOS+5+len*FONT2_XSIZE,
-		ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-		"<",FS_SMALL,FC_RED);
-  }
-  else if ((key==XK_Delete || key==XK_BackSpace) && len>0)
-  {
-    level.name[len-1] = 0;
-    len--;
-
-    DrawTextExt(drawto,gc,
-		ED_COUNT_GADGET_XPOS+5+len*FONT2_XSIZE,
-		ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-		"< ",FS_SMALL,FC_GREEN);
-    DrawTextExt(window,gc,
-		ED_COUNT_GADGET_XPOS+5+len*FONT2_XSIZE,
-		ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-		"< ",FS_SMALL,FC_GREEN);
-  }
-  else if (key==XK_Return)
-  {
-    DrawTextExt(drawto,gc,
-		ED_COUNT_GADGET_XPOS+5,
-		ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-		level.name,FS_SMALL,FC_YELLOW);
-    DrawTextExt(window,gc,
-		ED_COUNT_GADGET_XPOS+5,
-		ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-		level.name,FS_SMALL,FC_YELLOW);
-    DrawTextExt(drawto,gc,
-		ED_COUNT_GADGET_XPOS+5+len*FONT2_XSIZE,
-		ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-		" ",FS_SMALL,FC_YELLOW);
-    DrawTextExt(window,gc,
-		ED_COUNT_GADGET_XPOS+5+len*FONT2_XSIZE,
-		ED_COUNT_TEXT_YPOS+16*ED_COUNT_TEXT_YSIZE,
-		" ",FS_SMALL,FC_YELLOW);
-
-    name_typing = FALSE;
+      /* correct drawing area positions accordingly */
+      sx = lx - level_xpos;
+      sy = ly - level_ypos;
+    }
+
+    if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
+    {
+      if (button_status)	/* if (gi->state == GD_BUTTON_PRESSED) */
+      {
+	if (gi->event.type == GD_EVENT_PRESSED)
+	{
+	  start_lx = lx;
+	  start_ly = ly;
+	}
+
+	switch (actual_drawing_function)
+	{
+	  case GADGET_ID_SINGLE_ITEMS:
+	    infotext = "Drawing single items";
+	    break;
+      	  case GADGET_ID_CONNECTED_ITEMS:
+	    infotext = "Drawing connected items";
+	    break;
+      	  case GADGET_ID_LINE:
+	    infotext = "Drawing line";
+	    break;
+      	  case GADGET_ID_ARC:
+	    infotext = "Drawing arc";
+	    break;
+      	  case GADGET_ID_TEXT:
+	    infotext = "Setting text cursor";
+	    break;
+      	  case GADGET_ID_RECTANGLE:
+	    infotext = "Drawing rectangle";
+	    break;
+      	  case GADGET_ID_FILLED_BOX:
+	    infotext = "Drawing filled box";
+	    break;
+      	  case GADGET_ID_FLOOD_FILL:
+	    infotext = "Flood fill";
+	    break;
+      	  case GADGET_ID_GRAB_BRUSH:
+	    infotext = "Grabbing brush";
+	    break;
+      	  case GADGET_ID_PICK_ELEMENT:
+	    infotext = "Picking element";
+	    break;
+
+	  default:
+	    infotext = "Drawing position";
+	    break;
+	}
+
+	if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
+	  DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
+		    "%s: %d, %d", infotext, lx, ly);
+	else
+	  DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
+		    "%s: %d, %d", infotext,
+		    ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
+      }
+      else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
+	DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
+		  "%s", getElementInfoText(Feld[lx][ly]));
+      else
+	DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
+		  "Level position: %d, %d", lx, ly);
+    }
+
+    /* misuse this function to draw brush cursor, if needed */
+    if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
+    {
+      if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
+	CopyBrushToCursor(sx, sy);
+      else
+	DeleteBrushFromCursor();
+    }
+  }
+  else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
+  {
+    if (id == GADGET_ID_AMOEBA_CONTENT)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+		getElementInfoText(level.amoeba_content));
+    else if (id == GADGET_ID_CUSTOM_GRAPHIC)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+		getElementInfoText(custom_element.gfx_element));
+    else if (id == GADGET_ID_CUSTOM_CONTENT)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+		getElementInfoText(custom_element.content[sx][sy]));
+    else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+		getElementInfoText(custom_element.change.target_element));
+    else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+		getElementInfoText(custom_element.change.content[sx][sy]));
+    else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+		getElementInfoText(custom_element.change.trigger_element));
+    else if (id == GADGET_ID_RANDOM_BACKGROUND)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+		getElementInfoText(random_placement_background_element));
+    else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
+	     id <= GADGET_ID_ELEMENT_CONTENT_7)
+    {
+      int i = id - GADGET_ID_ELEMENT_CONTENT_0;
+
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, "%s",
+		getElementInfoText(level.yamyam_content[i][sx][sy]));
+    }
+  }
+  else
+  {
+    if (id == GADGET_ID_AMOEBA_CONTENT)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
+		"Amoeba content");
+    else if (id == GADGET_ID_CUSTOM_GRAPHIC)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
+		"Custom graphic element");
+    else if (id == GADGET_ID_CUSTOM_CONTENT)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
+		"Custom element content position: %d, %d", sx, sy);
+    else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
+		"New element after change");
+    else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
+		"New extended elements after change");
+    else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
+		"Other element triggering change");
+    else if (id == GADGET_ID_RANDOM_BACKGROUND)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
+		"Random placement background");
+    else if (id >= GADGET_ID_ELEMENT_CONTENT_0 &&
+	     id <= GADGET_ID_ELEMENT_CONTENT_7)
+      DrawTextF(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2,
+		"Content area %d position: %d, %d",
+		id - GADGET_ID_ELEMENT_CONTENT_0 + 1, sx, sy);
+  }
+}
+
+void RequestExitLevelEditor(boolean ask_if_level_has_changed)
+{
+  if (!ask_if_level_has_changed ||
+      !LevelChanged() ||
+      Request("Level has changed! Exit without saving ?",
+	      REQ_ASK | REQ_STAY_OPEN))
+  {
+    CloseDoor(DOOR_CLOSE_1);
+    /*
+    CloseDoor(DOOR_CLOSE_ALL);
+    */
+    game_status = GAME_MODE_MAIN;
+    DrawMainMenu();
+  }
+  else
+  {
+    CloseDoor(DOOR_CLOSE_1);
+    BlitBitmap(bitmap_db_door, bitmap_db_door,
+	       DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
+	       DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
+    OpenDoor(DOOR_OPEN_1);
   }
 }