rnd-20030901-B-src
[rocksndiamonds.git] / src / editor.c
index b7fc8bd49f1cf0c52f5cf4419c1eaada5d2c817d..12053e073e7d9f6745413d40669c627a036cb20b 100644 (file)
@@ -75,6 +75,8 @@
 
 #define ED_GADGET_DISTANCE             2
 #define ED_GADGET_TEXT_DISTANCE                (2 * ED_GADGET_DISTANCE)
+#define ED_DRAWINGAREA_TEXT_DISTANCE   (ED_GADGET_TEXT_DISTANCE + \
+                                        MINI_TILEX / 2)
 
 /* values for the setting windows */
 #define ED_SETTINGS_XSTART             (3 * MINI_TILEX / 2)
 #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 + \
                                         6 * (n / 4) * 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_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 */
                                         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_SELECTBOX_XSIZE             ED_WIN_COUNT_XSIZE
 #define ED_SELECTBOX_YSIZE             ED_WIN_COUNT_YSIZE
 
+#define ED_SELECTBOX_BUTTON_XSIZE      14
+
 #define ED_TEXTBUTTON_XPOS             ED_WIN_COUNT_XPOS
 #define ED_TEXTBUTTON_YPOS             (ED_WIN_COUNT_YPOS + \
                                         4 * (2 + ED_WIN_COUNT_YSIZE))
 #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)
+#define GADGET_ID_ENVELOPE_XSIZE_DOWN  (GADGET_ID_COUNTER_FIRST + 27)
+#define GADGET_ID_ENVELOPE_XSIZE_TEXT  (GADGET_ID_COUNTER_FIRST + 28)
+#define GADGET_ID_ENVELOPE_XSIZE_UP    (GADGET_ID_COUNTER_FIRST + 29)
+#define GADGET_ID_ENVELOPE_YSIZE_DOWN  (GADGET_ID_COUNTER_FIRST + 30)
+#define GADGET_ID_ENVELOPE_YSIZE_TEXT  (GADGET_ID_COUNTER_FIRST + 31)
+#define GADGET_ID_ENVELOPE_YSIZE_UP    (GADGET_ID_COUNTER_FIRST + 32)
+#define GADGET_ID_CUSTOM_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 33)
+#define GADGET_ID_CUSTOM_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 34)
+#define GADGET_ID_CUSTOM_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 35)
+#define GADGET_ID_CUSTOM_GEMCOUNT_DOWN (GADGET_ID_COUNTER_FIRST + 36)
+#define GADGET_ID_CUSTOM_GEMCOUNT_TEXT (GADGET_ID_COUNTER_FIRST + 37)
+#define GADGET_ID_CUSTOM_GEMCOUNT_UP   (GADGET_ID_COUNTER_FIRST + 38)
+#define GADGET_ID_PUSH_DELAY_FIX_DOWN  (GADGET_ID_COUNTER_FIRST + 39)
+#define GADGET_ID_PUSH_DELAY_FIX_TEXT  (GADGET_ID_COUNTER_FIRST + 40)
+#define GADGET_ID_PUSH_DELAY_FIX_UP    (GADGET_ID_COUNTER_FIRST + 41)
+#define GADGET_ID_PUSH_DELAY_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 42)
+#define GADGET_ID_PUSH_DELAY_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 43)
+#define GADGET_ID_PUSH_DELAY_RND_UP    (GADGET_ID_COUNTER_FIRST + 44)
+#define GADGET_ID_MOVE_DELAY_FIX_DOWN  (GADGET_ID_COUNTER_FIRST + 45)
+#define GADGET_ID_MOVE_DELAY_FIX_TEXT  (GADGET_ID_COUNTER_FIRST + 46)
+#define GADGET_ID_MOVE_DELAY_FIX_UP    (GADGET_ID_COUNTER_FIRST + 47)
+#define GADGET_ID_MOVE_DELAY_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 48)
+#define GADGET_ID_MOVE_DELAY_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 49)
+#define GADGET_ID_MOVE_DELAY_RND_UP    (GADGET_ID_COUNTER_FIRST + 50)
+#define GADGET_ID_CHANGE_DELAY_FIX_DOWN        (GADGET_ID_COUNTER_FIRST + 51)
+#define GADGET_ID_CHANGE_DELAY_FIX_TEXT        (GADGET_ID_COUNTER_FIRST + 52)
+#define GADGET_ID_CHANGE_DELAY_FIX_UP  (GADGET_ID_COUNTER_FIRST + 53)
+#define GADGET_ID_CHANGE_DELAY_RND_DOWN        (GADGET_ID_COUNTER_FIRST + 54)
+#define GADGET_ID_CHANGE_DELAY_RND_TEXT        (GADGET_ID_COUNTER_FIRST + 55)
+#define GADGET_ID_CHANGE_DELAY_RND_UP  (GADGET_ID_COUNTER_FIRST + 56)
+#define GADGET_ID_CHANGE_CONT_RND_DOWN (GADGET_ID_COUNTER_FIRST + 57)
+#define GADGET_ID_CHANGE_CONT_RND_TEXT (GADGET_ID_COUNTER_FIRST + 58)
+#define GADGET_ID_CHANGE_CONT_RND_UP   (GADGET_ID_COUNTER_FIRST + 59)
 
 /* drawing area identifiers */
-#define GADGET_ID_DRAWING_AREA_FIRST   (GADGET_ID_COUNTER_FIRST + 54)
+#define GADGET_ID_DRAWING_AREA_FIRST   (GADGET_ID_COUNTER_FIRST + 60)
 
 #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_LEVEL_AUTHOR         (GADGET_ID_TEXT_INPUT_FIRST + 1)
 #define GADGET_ID_ELEMENT_NAME         (GADGET_ID_TEXT_INPUT_FIRST + 2)
 
+/* text area identifiers */
+#define GADGET_ID_TEXT_AREA_FIRST      (GADGET_ID_TEXT_INPUT_FIRST + 3)
+
+#define GADGET_ID_ENVELOPE_INFO                (GADGET_ID_TEXT_AREA_FIRST + 0)
+
 /* selectbox identifiers */
-#define GADGET_ID_SELECTBOX_FIRST      (GADGET_ID_TEXT_INPUT_FIRST + 3)
+#define GADGET_ID_SELECTBOX_FIRST      (GADGET_ID_TEXT_AREA_FIRST + 1)
 
 #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_CHANGE_COLLIDE_ACTION        (GADGET_ID_SELECTBOX_FIRST + 12)
 #define GADGET_ID_CHANGE_OTHER_ACTION  (GADGET_ID_SELECTBOX_FIRST + 13)
 #define GADGET_ID_CHANGE_POWER         (GADGET_ID_SELECTBOX_FIRST + 14)
+#define GADGET_ID_SELECT_CHANGE_PAGE   (GADGET_ID_SELECTBOX_FIRST + 15)
 
 /* textbutton identifiers */
-#define GADGET_ID_TEXTBUTTON_FIRST     (GADGET_ID_SELECTBOX_FIRST + 15)
+#define GADGET_ID_TEXTBUTTON_FIRST     (GADGET_ID_SELECTBOX_FIRST + 16)
 
 #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)
+#define GADGET_ID_ADD_CHANGE_PAGE      (GADGET_ID_TEXTBUTTON_FIRST + 4)
+#define GADGET_ID_DEL_CHANGE_PAGE      (GADGET_ID_TEXTBUTTON_FIRST + 5)
+
+/* graphicbutton identifiers */
+#define GADGET_ID_GRAPHICBUTTON_FIRST  (GADGET_ID_TEXTBUTTON_FIRST + 6)
+
+#define GADGET_ID_PREV_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
+#define GADGET_ID_NEXT_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 
 /* gadgets for scrolling of drawing area */
-#define GADGET_ID_SCROLLING_FIRST      (GADGET_ID_TEXTBUTTON_FIRST + 4)
+#define GADGET_ID_SCROLLING_FIRST      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 
 #define GADGET_ID_SCROLL_UP            (GADGET_ID_SCROLLING_FIRST + 0)
 #define GADGET_ID_SCROLL_DOWN          (GADGET_ID_SCROLLING_FIRST + 1)
 #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_ENVELOPE_XSIZE   9
+#define ED_COUNTER_ID_ENVELOPE_YSIZE   10
+#define ED_COUNTER_ID_CUSTOM_SCORE     11
+#define ED_COUNTER_ID_CUSTOM_GEMCOUNT  12
+#define ED_COUNTER_ID_PUSH_DELAY_FIX   13
+#define ED_COUNTER_ID_PUSH_DELAY_RND   14
+#define ED_COUNTER_ID_MOVE_DELAY_FIX   15
+#define ED_COUNTER_ID_MOVE_DELAY_RND   16
+#define ED_COUNTER_ID_CHANGE_DELAY_FIX 17
+#define ED_COUNTER_ID_CHANGE_DELAY_RND 18
+#define ED_COUNTER_ID_CHANGE_CONT_RND  19
+
+#define ED_NUM_COUNTERBUTTONS          20
 
 #define ED_COUNTER_ID_LEVEL_FIRST      ED_COUNTER_ID_LEVEL_XSIZE
 #define ED_COUNTER_ID_LEVEL_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 #define ED_TEXTINPUT_ID_LEVEL_FIRST    ED_TEXTINPUT_ID_LEVEL_NAME
 #define ED_TEXTINPUT_ID_LEVEL_LAST     ED_TEXTINPUT_ID_LEVEL_AUTHOR
 
+/* values for text area gadgets */
+#define ED_TEXTAREA_ID_ENVELOPE_INFO   0
+
+#define ED_NUM_TEXTAREAS                       1
+
+#define ED_TEXTAREA_ID_LEVEL_FIRST     ED_TEXTAREA_ID_ENVELOPE
+#define ED_TEXTAREA_ID_LEVEL_LAST      ED_TEXTAREA_ID_ENVELOPE
+
 /* values for selectbox gadgets */
 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE     0
 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER    1
 #define ED_SELECTBOX_ID_CHANGE_COLLIDE_ACTION  12
 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION    13
 #define ED_SELECTBOX_ID_CHANGE_POWER           14
+#define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE     15
 
-#define ED_NUM_SELECTBOX                       15
+#define ED_NUM_SELECTBOX                       16
 
 #define ED_SELECTBOX_ID_CUSTOM_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 #define ED_SELECTBOX_ID_CUSTOM_LAST    ED_SELECTBOX_ID_CUSTOM_CONSISTENCY
 
 #define ED_SELECTBOX_ID_CHANGE_FIRST   ED_SELECTBOX_ID_CHANGE_TIME_UNITS
-#define ED_SELECTBOX_ID_CHANGE_LAST    ED_SELECTBOX_ID_CHANGE_POWER
+#define ED_SELECTBOX_ID_CHANGE_LAST    ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 
 /* 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_TEXTBUTTON_ID_ADD_CHANGE_PAGE       4
+#define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE       5
+
+#define ED_NUM_TEXTBUTTONS                     6
+
+#define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
+#define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED
+
+#define ED_TEXTBUTTON_ID_CHANGE_FIRST  ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE
+#define ED_TEXTBUTTON_ID_CHANGE_LAST   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 
-#define ED_NUM_TEXTBUTTON                      4
+/* values for graphicbutton gadgets */
+#define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE   0
+#define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE   1
+
+#define ED_NUM_GRAPHICBUTTONS                  2
+
+#define ED_GRAPHICBUTTON_ID_CHANGE_FIRST   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
+#define ED_GRAPHICBUTTON_ID_CHANGE_LAST    ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE
 
 /* values for checkbutton gadgets */
 #define ED_CHECKBUTTON_ID_DOUBLE_SPEED         0
 /* how many steps can be cancelled */
 #define NUM_UNDO_STEPS                 (10 + 1)
 
-/* values for elements with score */
+/* values for elements with score for certain actions */
 #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 elements with count for collecting */
+#define MIN_COLLECT_COUNT              0
+#define MAX_COLLECT_COUNT              100
 
 /* values for random placement */
 #define RANDOM_USE_PERCENTAGE          0
@@ -722,6 +766,7 @@ 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 ElementChangeInfo custom_element_change;
 static struct ElementInfo custom_element;
 
 static struct
@@ -754,7 +799,7 @@ static struct
     "playfield size:",                 NULL, "width",
   },
   {
-    ED_SETTINGS_XPOS(0) + 2 * DXSIZE,  ED_COUNTER_YPOS(2),
+    -1,                                        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,                GADGET_ID_LEVEL_XSIZE_UP,
@@ -812,6 +857,22 @@ static struct
     &level.num_yamyam_contents,
     NULL,                              NULL, "number of content areas"
   },
+  {
+    ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(0),
+    MIN_ENVELOPE_XSIZE,                        MAX_ENVELOPE_XSIZE,
+    GADGET_ID_ENVELOPE_XSIZE_DOWN,     GADGET_ID_ENVELOPE_XSIZE_UP,
+    GADGET_ID_ENVELOPE_XSIZE_TEXT,     GADGET_ID_NONE,
+    &level.envelope_xsize,
+    NULL,                              NULL, "width",
+  },
+  {
+    -1,                                        ED_SETTINGS_YPOS(0),
+    MIN_ENVELOPE_YSIZE,                        MAX_ENVELOPE_YSIZE,
+    GADGET_ID_ENVELOPE_YSIZE_DOWN,     GADGET_ID_ENVELOPE_YSIZE_UP,
+    GADGET_ID_ENVELOPE_YSIZE_TEXT,     GADGET_ID_ENVELOPE_XSIZE_UP,
+    &level.envelope_ysize,
+    NULL,                              " ", "height",
+  },
 
   /* ---------- element settings: configure (custom elements) ------------- */
 
@@ -820,16 +881,16 @@ static struct
     MIN_SCORE,                         MAX_SCORE,
     GADGET_ID_CUSTOM_SCORE_DOWN,       GADGET_ID_CUSTOM_SCORE_UP,
     GADGET_ID_CUSTOM_SCORE_TEXT,       GADGET_ID_NONE,
-    &custom_element.score,
-    NULL,                              "collect score", NULL
+    &custom_element.collect_score,
+    NULL,                              "score", " "
   },
   {
-    ED_SETTINGS_XPOS(13) + 10,         ED_SETTINGS_YPOS(3),
-    MIN_GEM_COUNT,                     MAX_GEM_COUNT,
+    -1,                                        ED_SETTINGS_YPOS(3),
+    MIN_COLLECT_COUNT,                 MAX_COLLECT_COUNT,
     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,    GADGET_ID_CUSTOM_GEMCOUNT_UP,
     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,    GADGET_ID_CUSTOM_SCORE_UP,
-    &custom_element.gem_count,
-    NULL,                              "gems", NULL
+    &custom_element.collect_count,
+    NULL,                              "count", NULL
   },
   {
     ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(4),
@@ -840,7 +901,7 @@ static struct
     NULL,                              "push delay", NULL
   },
   {
-    ED_COUNT_PUSH_DELAY_RND_XPOS,      ED_SETTINGS_YPOS(4),
+    -1,                                        ED_SETTINGS_YPOS(4),
     0,                                 999,
     GADGET_ID_PUSH_DELAY_RND_DOWN,     GADGET_ID_PUSH_DELAY_RND_UP,
     GADGET_ID_PUSH_DELAY_RND_TEXT,     GADGET_ID_PUSH_DELAY_FIX_UP,
@@ -856,7 +917,7 @@ static struct
     NULL,                              "move delay", NULL
   },
   {
-    ED_COUNT_MOVE_DELAY_RND_XPOS,      ED_SETTINGS_YPOS(7),
+    -1,                                        ED_SETTINGS_YPOS(7),
     0,                                 999,
     GADGET_ID_MOVE_DELAY_RND_DOWN,     GADGET_ID_MOVE_DELAY_RND_UP,
     GADGET_ID_MOVE_DELAY_RND_TEXT,     GADGET_ID_MOVE_DELAY_FIX_UP,
@@ -871,15 +932,15 @@ static struct
     0,                                 999,
     GADGET_ID_CHANGE_DELAY_FIX_DOWN,   GADGET_ID_CHANGE_DELAY_FIX_UP,
     GADGET_ID_CHANGE_DELAY_FIX_TEXT,   GADGET_ID_NONE,
-    &custom_element.change.delay_fixed,
+    &custom_element_change.delay_fixed,
     NULL,                              "delay", NULL,
   },
   {
-    ED_COUNT_CHANGE_DELAY_RND_XPOS+20, ED_SETTINGS_YPOS(3),
+    -1,                                        ED_SETTINGS_YPOS(3),
     0,                                 999,
     GADGET_ID_CHANGE_DELAY_RND_DOWN,   GADGET_ID_CHANGE_DELAY_RND_UP,
     GADGET_ID_CHANGE_DELAY_RND_TEXT,   GADGET_ID_CHANGE_DELAY_FIX_UP,
-    &custom_element.change.delay_random,
+    &custom_element_change.delay_random,
     NULL,                              "+random", NULL
   },
   {
@@ -887,8 +948,8 @@ static struct
     0,                                 100,
     GADGET_ID_CHANGE_CONT_RND_DOWN,    GADGET_ID_CHANGE_CONT_RND_UP,
     GADGET_ID_CHANGE_CONT_RND_TEXT,    GADGET_ID_NONE,
-    &custom_element.change.random,
-    NULL,                              "use random change:", NULL
+    &custom_element_change.random,
+    NULL,                              "use random change:", "(%)"
   },
 };
 
@@ -898,7 +959,7 @@ static struct
   int gadget_id;
   int size;
   char *value;
-  char *infotext;
+  char *text_above, *infotext;
 } textinput_info[ED_NUM_TEXTINPUT] =
 {
   {
@@ -906,21 +967,39 @@ static struct
     GADGET_ID_LEVEL_NAME,
     MAX_LEVEL_NAME_LEN,
     level.name,
-    "Title"
+    "Title:", "Title"
   },
   {
     ED_SETTINGS_XPOS(0),               ED_COUNTER_YPOS(1),
     GADGET_ID_LEVEL_AUTHOR,
     MAX_LEVEL_AUTHOR_LEN,
     level.author,
-    "Author"
+    "Author:", "Author"
   },
   {
     5 * MINI_TILEX,                    5 * MINI_TILEY - ED_BORDER_SIZE,
     GADGET_ID_ELEMENT_NAME,
     MAX_ELEMENT_NAME_LEN - 2,          /* currently 2 chars less editable */
     custom_element.description,
-    NULL
+    NULL, "Element name"
+  }
+};
+
+static struct
+{
+  int x, y;
+  int gadget_id;
+  int xsize, ysize;
+  char *value;
+  char *text_above, *infotext;
+} textarea_info[ED_NUM_TEXTAREAS] =
+{
+  {
+    ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(2),
+    GADGET_ID_ENVELOPE_INFO,
+    MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
+    level.envelope,
+    "Envelope Info:", "Envelope Info"
   }
 };
 
@@ -942,7 +1021,8 @@ static struct ValueTextInfo options_access_layer[] =
 static struct ValueTextInfo options_walk_to_action[] =
 {
   { EP_DIGGABLE,               "diggable"                      },
-  { EP_COLLECTIBLE,            "collectible"                   },
+  { EP_COLLECTIBLE_ONLY,       "collectible"                   },
+  { EP_DROPPABLE,              "collectible & droppable"       },
   { EP_PUSHABLE,               "pushable"                      },
   { -1,                                NULL                            }
 };
@@ -1015,14 +1095,15 @@ static struct ValueTextInfo options_deadliness[] =
 
 static struct ValueTextInfo options_consistency[] =
 {
-  { EP_CAN_EXPLODE,            "can explode"                   },
+  { EP_CAN_EXPLODE_3X3,                "can explode 3x3"               },
+  { EP_CAN_EXPLODE_1X1,                "can explode 1x1"               },
   { EP_INDESTRUCTIBLE,         "indestructible"                },
   { -1,                                NULL                            }
 };
 
 static struct ValueTextInfo options_time_units[] =
 {
-  { 50,                                "seconds"                       },
+  { FRAMES_PER_SECOND,         "seconds"                       },
   { 1,                         "frames"                        },
   { -1,                                NULL                            }
 };
@@ -1032,6 +1113,7 @@ static struct ValueTextInfo options_change_player_action[] =
   { CE_TOUCHED_BY_PLAYER,      "touched"                       },
   { CE_PRESSED_BY_PLAYER,      "pressed"                       },
   { CE_PUSHED_BY_PLAYER,       "pushed"                        },
+  { CE_DROPPED_BY_PLAYER,      "dropped"                       },
   { -1,                                NULL                            }
 };
 
@@ -1045,14 +1127,15 @@ static struct ValueTextInfo options_change_collide_action[] =
 
 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                                    }
+  { 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"               },
+  { CE_OTHER_GETS_DROPPED,     "player drops"                  },
+  { -1,                                NULL                            }
 };
 
 static struct ValueTextInfo options_change_power[] =
@@ -1063,6 +1146,12 @@ static struct ValueTextInfo options_change_power[] =
   { -1,                                NULL                            }
 };
 
+static char options_change_page_strings[MAX_CHANGE_PAGES][10];
+static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
+{
+  { -1,                                NULL                            }
+};
+
 static struct
 {
   int x, y;
@@ -1085,7 +1174,7 @@ static struct
     "player can", NULL, "type of access to this field"
   },
   {
-    ED_SETTINGS_XPOS(11),              ED_SETTINGS_YPOS(1),
+    -1,                                        ED_SETTINGS_YPOS(1),
     GADGET_ID_CUSTOM_ACCESS_LAYER,     GADGET_ID_CUSTOM_ACCESS_TYPE,
     -1,
     options_access_layer,
@@ -1125,7 +1214,7 @@ static struct
     "move/fall speed", NULL, "speed of element movement"
   },
   {
-    ED_SETTINGS_XPOS(7),               ED_SETTINGS_YPOS(9),
+    -1,                                        ED_SETTINGS_YPOS(9),
     GADGET_ID_CUSTOM_SMASH_TARGETS,    GADGET_ID_CUSTOM_CAN_SMASH,
     -1,
     options_smash_targets,
@@ -1154,7 +1243,7 @@ static struct
     -1,
     options_consistency,
     &custom_element.consistency,
-    NULL, "explodes to:", "consistency/destructibility"
+    NULL, NULL, "consistency/destructibility"
   },
 
   /* ---------- element settings: advanced (custom elements) --------------- */
@@ -1164,7 +1253,7 @@ static struct
     GADGET_ID_CHANGE_TIME_UNITS,       GADGET_ID_NONE,
     -1,
     options_time_units,
-    &custom_element.change.delay_frames,
+    &custom_element_change.delay_frames,
     "delay time given in", NULL, "delay time units for change"
   },
   {
@@ -1172,7 +1261,7 @@ static struct
     GADGET_ID_CHANGE_PLAYER_ACTION,    GADGET_ID_NONE,
     -1,
     options_change_player_action,
-    &custom_element.change_player_action,
+    &custom_element_change.player_action,
     NULL, "by player", "type of player contact"
   },
   {
@@ -1180,7 +1269,7 @@ static struct
     GADGET_ID_CHANGE_COLLIDE_ACTION,   GADGET_ID_NONE,
     -1,
     options_change_collide_action,
-    &custom_element.change_collide_action,
+    &custom_element_change.collide_action,
     NULL, NULL, "change after impact or smash"
   },
   {
@@ -1188,7 +1277,7 @@ static struct
     GADGET_ID_CHANGE_OTHER_ACTION,     GADGET_ID_NONE,
     -1,
     options_change_other_action,
-    &custom_element.change_other_action,
+    &custom_element_change.other_action,
     NULL, "element:", "type of other element action"
   },
   {
@@ -1196,9 +1285,17 @@ static struct
     GADGET_ID_CHANGE_POWER,            GADGET_ID_NONE,
     -1,
     options_change_power,
-    &custom_element.change.power,
+    &custom_element_change.power,
     "power:", NULL, "power of extended change"
   },
+  {
+    ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(14),
+    GADGET_ID_SELECT_CHANGE_PAGE,      GADGET_ID_NONE,
+    3,
+    options_change_page,
+    &custom_element.current_change_page,
+    NULL, NULL, "element config page"
+  },
 };
 
 static struct
@@ -1207,28 +1304,71 @@ static struct
   int gadget_id;
   int gadget_id_align;
   int size;
-  char *text, *infotext;
-} textbutton_info[ED_NUM_TEXTBUTTON] =
+  char *text;
+  char *text_left, *text_right, *infotext;
+} textbutton_info[ED_NUM_TEXTBUTTONS] =
 {
   {
     ED_SETTINGS_XPOS(0),               ED_COUNTER_YPOS(1),
     GADGET_ID_PROPERTIES_INFO,         GADGET_ID_NONE,
-    11, "Information",                 "Show information about element"
+    11,                                        "Information",                  
+    NULL, NULL,                                "Show information about element"
   },
   {
     ED_SETTINGS_XPOS(0) + 166,         ED_COUNTER_YPOS(1),
     GADGET_ID_PROPERTIES_CONFIG,       GADGET_ID_NONE,
-    11, "Configure",                   "Configure element properties"
+    11,                                        "Configure",
+    NULL, NULL,                                "Configure element properties"
   },
   {
     ED_SETTINGS_XPOS(0) + 332,         ED_COUNTER_YPOS(1),
     GADGET_ID_PROPERTIES_ADVANCED,     GADGET_ID_NONE,
-    11, "Advanced",                    "Advanced element configuration"
+    11,                                        "Advanced",
+    NULL, NULL,                                "Advanced element configuration"
   },
   {
-    ED_SETTINGS_XPOS(0) + 262,         ED_SETTINGS_YPOS(13),
+    -1,                                        ED_SETTINGS_YPOS(13),
     GADGET_ID_SAVE_AS_TEMPLATE,                GADGET_ID_CUSTOM_USE_TEMPLATE,
-    -1, "Save as template",            "Save current settings as new template"
+    -1,                                        "Save as template",
+    " ", NULL,                         "Save current settings as new template"
+  },
+  {
+    -1,                                        ED_SETTINGS_YPOS(14),
+    GADGET_ID_ADD_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
+    -1,                                        "New",
+    " ", NULL,                         "Add new config page"
+  },
+  {
+    -1,                                        ED_SETTINGS_YPOS(14),
+    GADGET_ID_DEL_CHANGE_PAGE,         GADGET_ID_ADD_CHANGE_PAGE,
+    -1,                                        "Delete",
+    NULL, NULL,                                "Delete current config page"
+  },
+};
+
+static struct
+{
+  int gd_x, gd_y;
+  int x, y;
+  int width, height;
+  int gadget_id;
+  int gadget_id_align;
+  char *text_left, *text_right, *infotext;
+} graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
+{
+  {
+    ED_BUTTON_MINUS_XPOS,              ED_BUTTON_COUNT_YPOS,
+    ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(14),
+    ED_BUTTON_COUNT_XSIZE,             ED_BUTTON_COUNT_YSIZE,
+    GADGET_ID_PREV_CHANGE_PAGE,                GADGET_ID_NONE,
+    NULL, NULL,                                "select previous config page"
+  },
+  {
+    ED_BUTTON_PLUS_XPOS,               ED_BUTTON_COUNT_YPOS,
+    -1,                                        ED_SETTINGS_YPOS(14),
+    ED_BUTTON_COUNT_XSIZE,             ED_BUTTON_COUNT_YSIZE,
+    GADGET_ID_NEXT_CHANGE_PAGE,                GADGET_ID_SELECT_CHANGE_PAGE,
+    NULL, "config page",               "select next config page"
   },
 };
 
@@ -1272,10 +1412,10 @@ static struct
   },
   {
     ED_SCROLLBUTTON2_XPOS,  ED_SCROLLBUTTON2_YPOS + 1 * ED_SCROLLBUTTON2_YSIZE,
-    ED_SCROLL2_DOWN_XPOS,    ED_SCROLL2_DOWN_YPOS,
+    ED_SCROLL2_DOWN_XPOS,   ED_SCROLL2_DOWN_YPOS,
     GADGET_ID_SCROLL_LIST_DOWN,
     "scroll element list down ('Page Down')"
-  }
+  },
 };
 
 static struct
@@ -1326,14 +1466,14 @@ static struct
 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
 {
   {
-    ED_SETTINGS_XPOS(0) + 160,         ED_COUNTER2_YPOS(8),
+    -1,                                        ED_COUNTER2_YPOS(8),
     GADGET_ID_RANDOM_PERCENTAGE,       GADGET_ID_LEVEL_RANDOM_UP,
     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),
+    -1,                                        ED_COUNTER2_YPOS(8),
     GADGET_ID_RANDOM_QUANTITY,         GADGET_ID_RANDOM_PERCENTAGE,
     RADIO_NR_RANDOM_ELEMENTS,
     &random_placement_method,          RANDOM_USE_QUANTITY,
@@ -1359,7 +1499,7 @@ static struct
     NULL, "double speed movement",     "set movement speed of player"
   },
   {
-    ED_SETTINGS_XPOS(0) + 340,         ED_COUNTER_YPOS(6) - MINI_TILEY,
+    -1,                                        ED_COUNTER_YPOS(6) - MINI_TILEY,
     GADGET_ID_GRAVITY,                 GADGET_ID_DOUBLE_SPEED,
     &level.gravity,
     " ", "gravity",                    "set level gravity"
@@ -1416,7 +1556,7 @@ static struct
     NULL, "can fall",                  "element can fall down"
   },
   {
-    ED_SETTINGS_XPOS(6),               ED_SETTINGS_YPOS(9),
+    -1,                                        ED_SETTINGS_YPOS(9),
     GADGET_ID_CUSTOM_CAN_SMASH,                GADGET_ID_CUSTOM_CAN_FALL,
     &custom_element_properties[EP_CAN_SMASH],
     " ", NULL,                         "element can smash other elements"
@@ -1446,13 +1586,13 @@ static struct
     NULL, "by fire",                   "element can explode by fire/explosion"
   },
   {
-    ED_SETTINGS_XPOS(7),               ED_SETTINGS_YPOS(13),
+    -1,                                        ED_SETTINGS_YPOS(13),
     GADGET_ID_CUSTOM_EXPLODE_SMASH,    GADGET_ID_CUSTOM_EXPLODE_FIRE,
     &custom_element.can_explode_smashed,
     " ", "smashed",                    "element can explode when smashed"
   },
   {
-    ED_SETTINGS_XPOS(13),              ED_SETTINGS_YPOS(13),
+    -1,                                        ED_SETTINGS_YPOS(13),
     GADGET_ID_CUSTOM_EXPLODE_IMPACT,   GADGET_ID_CUSTOM_EXPLODE_SMASH,
     &custom_element.can_explode_impact,
     " ", "impact",                     "element can explode on impact"
@@ -1469,7 +1609,7 @@ static struct
   {
     ED_SETTINGS_XPOS(0),               ED_SETTINGS_YPOS(2),
     GADGET_ID_CUSTOM_CAN_CHANGE,       GADGET_ID_NONE,
-    &custom_element_properties[EP_CAN_CHANGE],
+    &custom_element_change.can_change,
     NULL, "element changes to:",       "element can change to other element"
   },
   {
@@ -1499,25 +1639,25 @@ static struct
   {
     ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(8),
     GADGET_ID_CHANGE_USE_EXPLOSION,    GADGET_ID_NONE,
-    &custom_element.change.explode,
+    &custom_element_change.explode,
     NULL, "explode instead of change", "element explodes instead of change"
   },
   {
     ED_SETTINGS_XPOS(1),               ED_SETTINGS_YPOS(9),
     GADGET_ID_CHANGE_USE_CONTENT,      GADGET_ID_NONE,
-    &custom_element.change.use_content,
+    &custom_element_change.use_content,
     NULL, "use extended change target:","element changes to more elements"
   },
   {
     ED_SETTINGS_XPOS(2),               ED_SETTINGS_YPOS(11),
     GADGET_ID_CHANGE_ONLY_COMPLETE,    GADGET_ID_NONE,
-    &custom_element.change.only_complete,
+    &custom_element_change.only_complete,
     NULL, "only use complete change",  "only use complete extended content"
   },
   {
     ED_SETTINGS_XPOS(2),               ED_SETTINGS_YPOS(12),
     GADGET_ID_CHANGE_USE_RANDOM,       GADGET_ID_NONE,
-    &custom_element.change.use_random_change,
+    &custom_element_change.use_random_change,
     NULL, NULL,                                "use random value for new content"
   },
   {
@@ -1534,7 +1674,7 @@ static struct
   int area_xsize, area_ysize;
   int gadget_id;
   int gadget_id_align;
-  char *text_left, *text_right;
+  char *text_left, *text_right, *text_below;
 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
 {
   /* ---------- level playfield content ------------------------------------ */
@@ -1543,7 +1683,7 @@ static struct
     0, 0,
     MAX_ED_FIELDX, MAX_ED_FIELDY,
     GADGET_ID_DRAWING_LEVEL,           GADGET_ID_NONE,
-    NULL, NULL
+    NULL, NULL,                                NULL
   },
 
   /* ---------- yam yam content -------------------------------------------- */
@@ -1552,49 +1692,49 @@ static struct
     ED_AREA_YAMYAM_CONTENT_XPOS(0),    ED_AREA_YAMYAM_CONTENT_YPOS(0),
     3, 3,
     GADGET_ID_ELEMENT_CONTENT_0,       GADGET_ID_NONE,
-    NULL, NULL
+    NULL, NULL,                                "1"
   },
   {
     ED_AREA_YAMYAM_CONTENT_XPOS(1),    ED_AREA_YAMYAM_CONTENT_YPOS(1),
     3, 3,
     GADGET_ID_ELEMENT_CONTENT_1,       GADGET_ID_NONE,
-    NULL, NULL
+    NULL, NULL,                                "2"
   },
   {
     ED_AREA_YAMYAM_CONTENT_XPOS(2),    ED_AREA_YAMYAM_CONTENT_YPOS(2),
     3, 3,
     GADGET_ID_ELEMENT_CONTENT_2,       GADGET_ID_NONE,
-    NULL, NULL
+    NULL, NULL,                                "3"
   },
   {
     ED_AREA_YAMYAM_CONTENT_XPOS(3),    ED_AREA_YAMYAM_CONTENT_YPOS(3),
     3, 3,
     GADGET_ID_ELEMENT_CONTENT_3,       GADGET_ID_NONE,
-    NULL, NULL
+    NULL, NULL,                                "4"
   },
   {
     ED_AREA_YAMYAM_CONTENT_XPOS(4),    ED_AREA_YAMYAM_CONTENT_YPOS(4),
     3, 3,
     GADGET_ID_ELEMENT_CONTENT_4,       GADGET_ID_NONE,
-    NULL, NULL
+    NULL, NULL,                                "5"
   },
   {
     ED_AREA_YAMYAM_CONTENT_XPOS(5),    ED_AREA_YAMYAM_CONTENT_YPOS(5),
     3, 3,
     GADGET_ID_ELEMENT_CONTENT_5,       GADGET_ID_NONE,
-    NULL, NULL
+    NULL, NULL,                                "6"
   },
   {
     ED_AREA_YAMYAM_CONTENT_XPOS(6),    ED_AREA_YAMYAM_CONTENT_YPOS(6),
     3, 3,
     GADGET_ID_ELEMENT_CONTENT_6,       GADGET_ID_NONE,
-    NULL, NULL
+    NULL, NULL,                                "7"
   },
   {
     ED_AREA_YAMYAM_CONTENT_XPOS(7),    ED_AREA_YAMYAM_CONTENT_YPOS(7),
     3, 3,
     GADGET_ID_ELEMENT_CONTENT_7,       GADGET_ID_NONE,
-    NULL, NULL
+    NULL, NULL,                                "8"
   },
 
   /* ---------- amoeba content --------------------------------------------- */
@@ -1603,16 +1743,16 @@ static struct
     ED_AREA_ELEM_CONTENT_XPOS,         ED_AREA_ELEM_CONTENT_YPOS,
     1, 1,
     GADGET_ID_AMOEBA_CONTENT,          GADGET_ID_NONE,
-    NULL, NULL
+    NULL, "content of amoeba",         NULL
   },
 
   /* ---------- custom graphic --------------------------------------------- */
 
   {
-    ED_AREA_ELEM_CONTENT3_XPOS,                ED_AREA_ELEM_CONTENT3_YPOS,
+    -1,                                        ED_AREA_ELEM_CONTENT3_YPOS,
     1, 1,
     GADGET_ID_CUSTOM_GRAPHIC,          GADGET_ID_CUSTOM_USE_GRAPHIC,
-    NULL, NULL
+    NULL, NULL,                                NULL
   },
 
   /* ---------- custom content (when exploding) ---------------------------- */
@@ -1621,16 +1761,16 @@ static struct
     ED_AREA_ELEM_CONTENT4_XPOS,                ED_AREA_ELEM_CONTENT4_YPOS,
     3, 3,
     GADGET_ID_CUSTOM_CONTENT,          GADGET_ID_NONE, /* align three rows */
-    NULL, NULL
+    "content:", NULL,                  NULL
   },
 
   /* ---------- custom change target --------------------------------------- */
 
   {
-    ED_AREA_ELEM_CONTENT2_XPOS,                ED_AREA_ELEM_CONTENT2_YPOS,
+    -1,                                        ED_AREA_ELEM_CONTENT2_YPOS,
     1, 1,
     GADGET_ID_CUSTOM_CHANGE_TARGET,    GADGET_ID_CUSTOM_CAN_CHANGE,
-    NULL, "after/when:"
+    NULL, "after/when:",               NULL
   },
 
   /* ---------- custom change content (extended change target) ------------- */
@@ -1639,25 +1779,25 @@ static struct
     ED_AREA_ELEM_CONTENT6_XPOS,                ED_AREA_ELEM_CONTENT6_YPOS,
     3, 3,
     GADGET_ID_CUSTOM_CHANGE_CONTENT,   GADGET_ID_NONE, /* align three rows */
-    NULL, NULL
+    NULL, NULL,                                NULL
   },
 
   /* ---------- custom change trigger (element causing change) ------------- */
 
   {
-    ED_AREA_ELEM_CONTENT5_XPOS,                ED_AREA_ELEM_CONTENT5_YPOS,
+    -1,                                        ED_AREA_ELEM_CONTENT5_YPOS,
     1, 1,
     GADGET_ID_CUSTOM_CHANGE_TRIGGER,   GADGET_ID_CHANGE_OTHER_ACTION,
-    NULL, NULL
+    NULL, NULL,                                NULL
   },
 
   /* ---------- random background (for random painting) -------------------- */
 
   {
-    ED_AREA_RANDOM_BACKGROUND_XPOS,    ED_AREA_RANDOM_BACKGROUND_YPOS,
+    -1,                                        ED_AREA_RANDOM_BACKGROUND_YPOS,
     1, 1,
     GADGET_ID_RANDOM_BACKGROUND,       GADGET_ID_RANDOM_RESTRICTED,
-    NULL, NULL
+    NULL, NULL,                                NULL
   },
 };
 
@@ -1700,8 +1840,10 @@ static void CopyLevelToUndoBuffer(int);
 static void HandleDrawingAreas(struct GadgetInfo *);
 static void HandleCounterButtons(struct GadgetInfo *);
 static void HandleTextInputGadgets(struct GadgetInfo *);
+static void HandleTextAreaGadgets(struct GadgetInfo *);
 static void HandleSelectboxGadgets(struct GadgetInfo *);
 static void HandleTextbuttonGadgets(struct GadgetInfo *);
+static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
 static void HandleRadiobuttons(struct GadgetInfo *);
 static void HandleCheckbuttons(struct GadgetInfo *);
 static void HandleControlButtons(struct GadgetInfo *);
@@ -1798,7 +1940,7 @@ static int editor_el_emerald_mine[] =
 
   EL_STEELWALL,
   EL_WALL,
-  EL_WALL_CRUMBLED,
+  EL_WALL_SLIPPERY,
   EL_MAGIC_WALL,
 
   EL_EMERALD,
@@ -2119,7 +2261,7 @@ static int editor_el_diamond_caves[] =
 
   EL_LANDMINE,
   EL_INVISIBLE_SAND,
-  EL_STEELWALL_SLANTED,
+  EL_STEELWALL_SLIPPERY,
   EL_EMPTY,
 
   EL_SIGN_EXCLAMATION,
@@ -2461,6 +2603,170 @@ static int editor_el_custom[] =
 };
 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
 
+static int editor_el_custom_more[] =
+{
+  EL_CUSTOM_START + 128,
+  EL_CUSTOM_START + 129,
+  EL_CUSTOM_START + 130,
+  EL_CUSTOM_START + 131,
+
+  EL_CUSTOM_START + 132,
+  EL_CUSTOM_START + 133,
+  EL_CUSTOM_START + 134,
+  EL_CUSTOM_START + 135,
+
+  EL_CUSTOM_START + 136,
+  EL_CUSTOM_START + 137,
+  EL_CUSTOM_START + 138,
+  EL_CUSTOM_START + 139,
+
+  EL_CUSTOM_START + 140,
+  EL_CUSTOM_START + 141,
+  EL_CUSTOM_START + 142,
+  EL_CUSTOM_START + 143,
+
+  EL_CUSTOM_START + 144,
+  EL_CUSTOM_START + 145,
+  EL_CUSTOM_START + 146,
+  EL_CUSTOM_START + 147,
+
+  EL_CUSTOM_START + 148,
+  EL_CUSTOM_START + 149,
+  EL_CUSTOM_START + 150,
+  EL_CUSTOM_START + 151,
+
+  EL_CUSTOM_START + 152,
+  EL_CUSTOM_START + 153,
+  EL_CUSTOM_START + 154,
+  EL_CUSTOM_START + 155,
+
+  EL_CUSTOM_START + 156,
+  EL_CUSTOM_START + 157,
+  EL_CUSTOM_START + 158,
+  EL_CUSTOM_START + 159,
+
+  EL_CUSTOM_START + 160,
+  EL_CUSTOM_START + 161,
+  EL_CUSTOM_START + 162,
+  EL_CUSTOM_START + 163,
+
+  EL_CUSTOM_START + 164,
+  EL_CUSTOM_START + 165,
+  EL_CUSTOM_START + 166,
+  EL_CUSTOM_START + 167,
+
+  EL_CUSTOM_START + 168,
+  EL_CUSTOM_START + 169,
+  EL_CUSTOM_START + 170,
+  EL_CUSTOM_START + 171,
+
+  EL_CUSTOM_START + 172,
+  EL_CUSTOM_START + 173,
+  EL_CUSTOM_START + 174,
+  EL_CUSTOM_START + 175,
+
+  EL_CUSTOM_START + 176,
+  EL_CUSTOM_START + 177,
+  EL_CUSTOM_START + 178,
+  EL_CUSTOM_START + 179,
+
+  EL_CUSTOM_START + 180,
+  EL_CUSTOM_START + 181,
+  EL_CUSTOM_START + 182,
+  EL_CUSTOM_START + 183,
+
+  EL_CUSTOM_START + 184,
+  EL_CUSTOM_START + 185,
+  EL_CUSTOM_START + 186,
+  EL_CUSTOM_START + 187,
+
+  EL_CUSTOM_START + 188,
+  EL_CUSTOM_START + 189,
+  EL_CUSTOM_START + 190,
+  EL_CUSTOM_START + 191,
+
+  EL_CUSTOM_START + 192,
+  EL_CUSTOM_START + 193,
+  EL_CUSTOM_START + 194,
+  EL_CUSTOM_START + 195,
+
+  EL_CUSTOM_START + 196,
+  EL_CUSTOM_START + 197,
+  EL_CUSTOM_START + 198,
+  EL_CUSTOM_START + 199,
+
+  EL_CUSTOM_START + 200,
+  EL_CUSTOM_START + 201,
+  EL_CUSTOM_START + 202,
+  EL_CUSTOM_START + 203,
+
+  EL_CUSTOM_START + 204,
+  EL_CUSTOM_START + 205,
+  EL_CUSTOM_START + 206,
+  EL_CUSTOM_START + 207,
+
+  EL_CUSTOM_START + 208,
+  EL_CUSTOM_START + 209,
+  EL_CUSTOM_START + 210,
+  EL_CUSTOM_START + 211,
+
+  EL_CUSTOM_START + 212,
+  EL_CUSTOM_START + 213,
+  EL_CUSTOM_START + 214,
+  EL_CUSTOM_START + 215,
+
+  EL_CUSTOM_START + 216,
+  EL_CUSTOM_START + 217,
+  EL_CUSTOM_START + 218,
+  EL_CUSTOM_START + 219,
+
+  EL_CUSTOM_START + 220,
+  EL_CUSTOM_START + 221,
+  EL_CUSTOM_START + 222,
+  EL_CUSTOM_START + 223,
+
+  EL_CUSTOM_START + 224,
+  EL_CUSTOM_START + 225,
+  EL_CUSTOM_START + 226,
+  EL_CUSTOM_START + 227,
+
+  EL_CUSTOM_START + 228,
+  EL_CUSTOM_START + 229,
+  EL_CUSTOM_START + 230,
+  EL_CUSTOM_START + 231,
+
+  EL_CUSTOM_START + 232,
+  EL_CUSTOM_START + 233,
+  EL_CUSTOM_START + 234,
+  EL_CUSTOM_START + 235,
+
+  EL_CUSTOM_START + 236,
+  EL_CUSTOM_START + 237,
+  EL_CUSTOM_START + 238,
+  EL_CUSTOM_START + 239,
+
+  EL_CUSTOM_START + 240,
+  EL_CUSTOM_START + 241,
+  EL_CUSTOM_START + 242,
+  EL_CUSTOM_START + 243,
+
+  EL_CUSTOM_START + 244,
+  EL_CUSTOM_START + 245,
+  EL_CUSTOM_START + 246,
+  EL_CUSTOM_START + 247,
+
+  EL_CUSTOM_START + 248,
+  EL_CUSTOM_START + 249,
+  EL_CUSTOM_START + 250,
+  EL_CUSTOM_START + 251,
+
+  EL_CUSTOM_START + 252,
+  EL_CUSTOM_START + 253,
+  EL_CUSTOM_START + 254,
+  EL_CUSTOM_START + 255
+};
+static int num_editor_el_custom_more = SIZEOF_ARRAY_INT(editor_el_custom_more);
+
 static int *editor_elements = NULL;    /* dynamically allocated */
 static int num_editor_elements = 0;    /* dynamically determined */
 
@@ -2492,6 +2798,8 @@ editor_elements_info[] =
     &num_editor_el_chars                                               },
   { &setup.editor.el_custom,           editor_el_custom,
     &num_editor_el_custom                                              },
+  { &setup.editor.el_custom_more,      editor_el_custom_more,
+    &num_editor_el_custom_more                                         },
   { NULL,                              NULL,
     NULL                                                               }
 };
@@ -2534,6 +2842,12 @@ static void ReinitializeElementList()
     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];
+
+  /* correct position of element list scrollbar */
+  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;
 }
 
 static void ReinitializeElementListButtons()
@@ -2566,17 +2880,25 @@ static int getMaxInfoTextLength()
   return (SXSIZE / getFontWidth(FONT_TEXT_2));
 }
 
-static int getFullTextWidth(char *text)
+static int getTextWidthForGadget(char *text)
 {
   if (text == NULL)
     return 0;
 
-  return (strlen(text) * getFontWidth(FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
+  return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
+}
+
+static int getTextWidthForDrawingArea(char *text)
+{
+  if (text == NULL)
+    return 0;
+
+  return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
 }
 
 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
 {
-  return (gi->x + gi->width + getFullTextWidth(text));
+  return (gi->x + gi->width + getTextWidthForGadget(text));
 }
 
 static char *getElementInfoText(int element)
@@ -2603,6 +2925,72 @@ static char *getElementInfoText(int element)
   return info_text;
 }
 
+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 DrawDrawingArea(int id)
+{
+  struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
+  int x, y;
+
+  if (id == ED_DRAWING_ID_RANDOM_BACKGROUND)
+    DrawMiniGraphicExt(drawto, gi->x, gi->y,
+                      el2edimg(random_placement_background_element));
+  else if (id == ED_DRAWING_ID_AMOEBA_CONTENT)
+    DrawMiniGraphicExt(drawto, gi->x, gi->y, el2edimg(level.amoeba_content));
+  else if (id == ED_DRAWING_ID_CUSTOM_GRAPHIC)
+    DrawMiniGraphicExt(drawto, gi->x, gi->y,
+                      el2edimg(custom_element.gfx_element));
+  else if (id == ED_DRAWING_ID_CUSTOM_CONTENT)
+    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]));
+  else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TARGET)
+    DrawMiniGraphicExt(drawto, gi->x, gi->y,
+                      el2edimg(custom_element_change.target_element));
+  else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT)
+    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]));
+  else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER)
+    DrawMiniGraphicExt(drawto, gi->x, gi->y,
+                      el2edimg(custom_element_change.trigger_element));
+  else if (id >= ED_DRAWING_ID_ELEMENT_CONTENT_0 &&
+          id <= ED_DRAWING_ID_ELEMENT_CONTENT_7)
+  {
+    int nr = id - ED_DRAWING_ID_ELEMENT_CONTENT_0;
+
+    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(level.yamyam_content[nr][x][y]));
+  }
+}
+
 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
 {
   int x,y;
@@ -2862,8 +3250,7 @@ static void CreateCounterButtons()
 
     /* determine horizontal offset for leading text */
     if (counterbutton_info[i].text_left != NULL)
-      x += (getFontWidth(FONT_TEXT_1) * strlen(counterbutton_info[i].text_left)
-           + ED_GADGET_TEXT_DISTANCE);
+      x += getTextWidthForGadget(counterbutton_info[i].text_left);
 
     for (j=0; j<2; j++)
     {
@@ -2968,7 +3355,7 @@ static void CreateCounterButtons()
                          GDI_INFO_TEXT, "enter counter value",
                          GDI_X, x,
                          GDI_Y, y,
-                         GDI_TYPE, GD_TYPE_TEXTINPUT_NUMERIC,
+                         GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
                          GDI_NUMBER_VALUE, 0,
                          GDI_NUMBER_MIN, counterbutton_info[i].min_value,
                          GDI_NUMBER_MAX, counterbutton_info[i].max_value,
@@ -3018,12 +3405,11 @@ static void CreateDrawingAreas()
     /* determine horizontal position to the right of specified gadget */
     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
-          ED_GADGET_TEXT_DISTANCE + MINI_TILEX / 2);
+          ED_DRAWINGAREA_TEXT_DISTANCE);
 
     /* determine horizontal offset for leading text */
     if (drawingarea_info[i].text_left != NULL)
-      x += (getFontWidth(FONT_TEXT_1) * strlen(drawingarea_info[i].text_left) +
-           ED_GADGET_TEXT_DISTANCE + MINI_TILEX / 2);
+      x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
 
     gi = CreateGadget(GDI_CUSTOM_ID, id,
                      GDI_CUSTOM_TYPE_ID, i,
@@ -3073,7 +3459,7 @@ static void CreateTextInputGadgets()
                      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_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
                      GDI_TEXT_VALUE, textinput_info[i].value,
                      GDI_TEXT_SIZE, textinput_info[i].size,
                      GDI_TEXT_FONT, FONT_INPUT_1,
@@ -3094,6 +3480,55 @@ static void CreateTextInputGadgets()
   }
 }
 
+static void CreateTextAreaGadgets()
+{
+  int max_infotext_len = getMaxInfoTextLength();
+  int i;
+
+  for (i=0; i<ED_NUM_TEXTAREAS; 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 = textarea_info[i].gadget_id;
+    int area_xsize = textarea_info[i].xsize;
+    int area_ysize = textarea_info[i].ysize;
+
+    event_mask = 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", textarea_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 + textarea_info[i].x,
+                     GDI_Y, SY + textarea_info[i].y,
+                     GDI_TYPE, GD_TYPE_TEXT_AREA,
+                     GDI_AREA_SIZE, area_xsize, area_ysize,
+                     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, HandleTextAreaGadgets,
+                     GDI_END);
+
+    if (gi == NULL)
+      Error(ERR_EXIT, "cannot create gadget");
+
+    level_editor_gadget[id] = gi;
+  }
+}
+
 static void CreateSelectboxGadgets()
 {
   int max_infotext_len = getMaxInfoTextLength();
@@ -3137,8 +3572,7 @@ static void CreateSelectboxGadgets()
 
     /* determine horizontal offset for leading text */
     if (selectbox_info[i].text_left != NULL)
-      x += (getFontWidth(FONT_TEXT_1) * strlen(selectbox_info[i].text_left) +
-           ED_GADGET_TEXT_DISTANCE);
+      x += getTextWidthForGadget(selectbox_info[i].text_left);
 
     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
     infotext[max_infotext_len] = '\0';
@@ -3156,7 +3590,7 @@ static void CreateSelectboxGadgets()
                      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_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
                      GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
                      GDI_EVENT_MASK, event_mask,
                      GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
@@ -3177,7 +3611,7 @@ static void CreateTextbuttonGadgets()
   int max_infotext_len = getMaxInfoTextLength();
   int i;
 
-  for (i=0; i<ED_NUM_TEXTBUTTON; i++)
+  for (i=0; i<ED_NUM_TEXTBUTTONS; i++)
   {
     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
     int gd_x1, gd_x2, gd_y1, gd_y2;
@@ -3216,6 +3650,10 @@ static void CreateTextbuttonGadgets()
       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
           ED_GADGET_TEXT_DISTANCE);
 
+    /* determine horizontal offset for leading text */
+    if (textbutton_info[i].text_left != NULL)
+      x += getTextWidthForGadget(textbutton_info[i].text_left);
+
     gi = CreateGadget(GDI_CUSTOM_ID, id,
                      GDI_CUSTOM_TYPE_ID, i,
                      GDI_INFO_TEXT, infotext,
@@ -3241,6 +3679,64 @@ static void CreateTextbuttonGadgets()
       Error(ERR_EXIT, "cannot create gadget");
 
     level_editor_gadget[id] = gi;
+    right_gadget_border[id] =
+      getRightGadgetBorder(gi, textbutton_info[i].text_right);
+  }
+}
+
+static void CreateGraphicbuttonGadgets()
+{
+  Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
+  struct GadgetInfo *gi;
+  unsigned long event_mask;
+  int i;
+
+  /* create buttons for scrolling of drawing area and element list */
+  for (i=0; i < ED_NUM_GRAPHICBUTTONS; i++)
+  {
+    int id = graphicbutton_info[i].gadget_id;
+    int gd_x1, gd_x2, gd_y1, gd_y2;
+    int x = SX + graphicbutton_info[i].x;
+    int y = SY + graphicbutton_info[i].y;
+
+    event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
+
+    gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
+    gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
+    gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
+    gd_y2 = gd_y1;
+
+    /* determine horizontal position to the right of specified gadget */
+    if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
+      x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
+          ED_GADGET_TEXT_DISTANCE);
+
+    /* determine horizontal offset for leading text */
+    if (graphicbutton_info[i].text_left != NULL)
+      x += getTextWidthForGadget(graphicbutton_info[i].text_left);
+
+    gi = CreateGadget(GDI_CUSTOM_ID, id,
+                     GDI_CUSTOM_TYPE_ID, i,
+                     GDI_INFO_TEXT, graphicbutton_info[i].infotext,
+                     GDI_X, x,
+                     GDI_Y, y,
+                     GDI_WIDTH, graphicbutton_info[i].width,
+                     GDI_HEIGHT, graphicbutton_info[i].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, HandleGraphicbuttonGadgets,
+                     GDI_END);
+
+    if (gi == NULL)
+      Error(ERR_EXIT, "cannot create gadget");
+
+    level_editor_gadget[id] = gi;
+    right_gadget_border[id] =
+      getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
   }
 }
 
@@ -3348,8 +3844,7 @@ static void CreateCheckbuttonGadgets()
 
     /* determine horizontal offset for leading text */
     if (checkbutton_info[i].text_left != NULL)
-      x += (getFontWidth(FONT_TEXT_1) * strlen(checkbutton_info[i].text_left) +
-           ED_GADGET_TEXT_DISTANCE);
+      x += getTextWidthForGadget(checkbutton_info[i].text_left);
 
     gi = CreateGadget(GDI_CUSTOM_ID, id,
                      GDI_CUSTOM_TYPE_ID, i,
@@ -3410,8 +3905,7 @@ static void CreateRadiobuttonGadgets()
 
     /* determine horizontal offset for leading text */
     if (radiobutton_info[i].text_left != NULL)
-      x += (getFontWidth(FONT_TEXT_1) * strlen(radiobutton_info[i].text_left) +
-           ED_GADGET_TEXT_DISTANCE);
+      x += getTextWidthForGadget(radiobutton_info[i].text_left);
 
     gi = CreateGadget(GDI_CUSTOM_ID, id,
                      GDI_CUSTOM_TYPE_ID, i,
@@ -3458,8 +3952,10 @@ void CreateLevelEditorGadgets()
   CreateCounterButtons();
   CreateRadiobuttonGadgets();
   CreateTextInputGadgets();
-  CreateTextbuttonGadgets();
+  CreateTextAreaGadgets();
   CreateSelectboxGadgets();
+  CreateGraphicbuttonGadgets();
+  CreateTextbuttonGadgets();
   CreateDrawingAreas();
 
   game_status = old_game_status;
@@ -3487,7 +3983,7 @@ static void MapCounterButtons(int id)
   int xoffset_right = getCounterGadgetWidth();
   int yoffset_right = ED_BORDER_SIZE;
 #else
-  int xoffset_left = getFullTextWidth(counterbutton_info[id].text_left);
+  int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
   int yoffset = ED_BORDER_SIZE;
@@ -3540,49 +4036,78 @@ static void MapControlButtons()
 
 static void MapDrawingArea(int id)
 {
-  MapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
+  struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
+  int area_xsize = gi->drawing.area_xsize;
+  int area_ysize = gi->drawing.area_ysize;
+  int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
+  int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
+  int x_left  = gi->x - xoffset_left;
+  int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
+  int x_below = gi->x + (gi->width - xoffset_below) / 2;
+  int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
+  int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
+
+  if (drawingarea_info[id].text_left)
+    DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
+
+  if (drawingarea_info[id].text_right)
+    DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
+
+  if (drawingarea_info[id].text_below)
+    DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
+
+  if (id != ED_DRAWING_ID_DRAWING_LEVEL)
+  {
+    DrawElementBorder(gi->x, gi->y,
+                     area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
+
+    DrawDrawingArea(id);
+  }
+
+  MapGadget(gi);
 }
 
 static void MapTextInputGadget(int id)
 {
-  char infotext[MAX_OUTPUT_LINESIZE + 1];
-  int max_infotext_len = getMaxInfoTextLength();
+  struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
   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;
+  int x_above = textinput_info[id].x + xoffset_above;
+  int y_above = textinput_info[id].y + yoffset_above;
 
-  if (textinput_info[id].infotext)
-  {
-    sprintf(infotext, "%s:", textinput_info[id].infotext);
-    infotext[max_infotext_len] = '\0';
-    DrawTextF(x, y, FONT_TEXT_1, infotext);
-  }
+  if (textinput_info[id].text_above)
+    DrawTextF(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
+
+  ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
+
+  MapGadget(gi);
+}
+
+static void MapTextAreaGadget(int id)
+{
+  struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
+  int xoffset_above = 0;
+  int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
+  int x_above = textarea_info[id].x + xoffset_above;
+  int y_above = textarea_info[id].y + yoffset_above;
 
-  ModifyGadget(level_editor_gadget[textinput_info[id].gadget_id],
-              GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
+  if (textarea_info[id].text_above)
+    DrawTextF(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
 
-  MapGadget(level_editor_gadget[textinput_info[id].gadget_id]);
+  ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
+
+  MapGadget(gi);
 }
 
 static void MapSelectboxGadget(int id)
 {
   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
-#if 0
-  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;
-#else
-  int xoffset_left = getFullTextWidth(selectbox_info[id].text_left);
+  int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
   int yoffset = ED_BORDER_SIZE;
   int x_left = gi->x - xoffset_left;
   int x_right = gi->x + gi->width + xoffset_right;
   int y = gi->y + yoffset;
-#endif
 
   if (selectbox_info[id].text_left)
     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
@@ -3592,30 +4117,61 @@ static void MapSelectboxGadget(int id)
 
   ModifyEditorSelectbox(id, *selectbox_info[id].value);
 
-  MapGadget(level_editor_gadget[selectbox_info[id].gadget_id]);
+  MapGadget(gi);
 }
 
 static void MapTextbuttonGadget(int id)
 {
-  MapGadget(level_editor_gadget[textbutton_info[id].gadget_id]);
+  struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
+  int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
+  int xoffset_right = ED_GADGET_TEXT_DISTANCE;
+  int yoffset = ED_BORDER_SIZE;
+  int x_left = gi->x - xoffset_left;
+  int x_right = gi->x + gi->width + xoffset_right;
+  int y = gi->y + yoffset;
+
+  /* only show button to delete change pages when more than minimum pages */
+  if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
+      custom_element.num_change_pages == MIN_CHANGE_PAGES)
+    return;
+
+  if (textbutton_info[id].text_left)
+    DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
+
+  if (textbutton_info[id].text_right)
+    DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
+
+  MapGadget(gi);
+}
+
+static void MapGraphicbuttonGadget(int id)
+{
+  struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
+  int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
+  int xoffset_right = ED_GADGET_TEXT_DISTANCE;
+  int yoffset = ED_BORDER_SIZE;
+  int x_left = gi->x - xoffset_left;
+  int x_right = gi->x + gi->width + xoffset_right;
+  int y = gi->y + yoffset;
+
+  if (graphicbutton_info[id].text_left)
+    DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
+
+  if (graphicbutton_info[id].text_right)
+    DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
+
+  MapGadget(gi);
 }
 
 static void MapRadiobuttonGadget(int id)
 {
   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
-#if 0
-  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;
-#else
-  int xoffset_left = getFullTextWidth(checkbutton_info[id].text_left);
+  int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
   int yoffset = ED_BORDER_SIZE;
   int x_left = gi->x - xoffset_left;
   int x_right = gi->x + gi->width + xoffset_right;
   int y = gi->y + yoffset;
-#endif
   boolean checked =
     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
 
@@ -3625,32 +4181,23 @@ static void MapRadiobuttonGadget(int id)
   if (radiobutton_info[id].text_right)
     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
 
-  ModifyGadget(level_editor_gadget[radiobutton_info[id].gadget_id],
-              GDI_CHECKED, checked, GDI_END);
+  ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
 
-  MapGadget(level_editor_gadget[radiobutton_info[id].gadget_id]);
+  MapGadget(gi);
 }
 
 static void MapCheckbuttonGadget(int id)
 {
   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
-#if 0
-  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;
-#else
-  int xoffset_left = getFullTextWidth(checkbutton_info[id].text_left);
+  int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
   int yoffset = ED_BORDER_SIZE;
   int x_left = gi->x - xoffset_left;
   int x_right = gi->x + gi->width + xoffset_right;
   int y = gi->y + yoffset;
-#endif
 
   /* special case needed for "sticky" gadget */
-  ModifyGadget(level_editor_gadget[checkbutton_info[id].gadget_id],
-              GDI_CHECKED, *checkbutton_info[id].value,
+  ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value,
               GDI_Y, SY + checkbutton_info[id].y, GDI_END);
   y = gi->y + yoffset;
 
@@ -3660,7 +4207,7 @@ static void MapCheckbuttonGadget(int id)
   if (checkbutton_info[id].text_right)
     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
 
-  MapGadget(level_editor_gadget[checkbutton_info[id].gadget_id]);
+  MapGadget(gi);
 }
 
 static void MapMainDrawingArea()
@@ -3773,14 +4320,50 @@ static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
       dst[x][y] = src[x][y];
 }
 
+static int setSelectboxValue(int selectbox_id, int new_value)
+{
+  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;
+
+  return new_index_value;
+}
+
 static void CopyCustomElementPropertiesToEditor(int element)
 {
   int i;
+  int current_change_page = element_info[element].current_change_page;
+
+  /* dynamically (re)build selectbox for selecting change page */
+  for (i=0; i < element_info[element].num_change_pages; i++)
+  {
+    sprintf(options_change_page_strings[i], "%d", i + 1);
+
+    options_change_page[i].value = i;
+    options_change_page[i].text = options_change_page_strings[i];
+  }
+
+  options_change_page[i].value = -1;
+  options_change_page[i].text = NULL;
 
   /* needed here to initialize combined element properties */
   InitElementPropertiesEngine(level.game_version);
 
+  element_info[element].change =
+    &element_info[element].change_page[current_change_page];
+
   custom_element = element_info[element];
+  custom_element_change = *element_info[element].change;
+
+  /* needed to initially set selectbox value variables to reliable defaults */
+  for (i=0; i < ED_NUM_SELECTBOX; i++)
+    setSelectboxValue(i, *selectbox_info[i].value);
 
   for (i=0; i < NUM_ELEMENT_PROPERTIES; i++)
     custom_element_properties[i] = HAS_PROPERTY(element, i);
@@ -3808,12 +4391,14 @@ static void CopyCustomElementPropertiesToEditor(int 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_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
+     IS_DROPPABLE(element) ? EP_DROPPABLE :
      IS_PUSHABLE(element) ? EP_PUSHABLE :
      custom_element.walk_to_action);
   custom_element_properties[EP_WALK_TO_OBJECT] =
     (IS_DIGGABLE(element) ||
-     IS_COLLECTIBLE(element) ||
+     IS_COLLECTIBLE_ONLY(element) ||
+     IS_DROPPABLE(element) ||
      IS_PUSHABLE(element));
 
   /* set smash targets selectbox help value */
@@ -3841,11 +4426,13 @@ static void CopyCustomElementPropertiesToEditor(int element)
   /* set consistency selectbox help value */
   custom_element.consistency =
     (IS_INDESTRUCTIBLE(element) ? EP_INDESTRUCTIBLE :
-     CAN_EXPLODE(element) ? EP_CAN_EXPLODE :
+     CAN_EXPLODE_1X1(element) ? EP_CAN_EXPLODE_1X1 :
+     CAN_EXPLODE_3X3(element) ? EP_CAN_EXPLODE_3X3 :
      custom_element.consistency);
   custom_element_properties[EP_EXPLODE_RESULT] =
     (IS_INDESTRUCTIBLE(element) ||
-     CAN_EXPLODE(element));
+     CAN_EXPLODE_1X1(element) ||
+     CAN_EXPLODE_3X3(element));
 
   /* special case: sub-settings dependent from main setting */
   if (CAN_EXPLODE_BY_FIRE(element))
@@ -3858,29 +4445,31 @@ static void CopyCustomElementPropertiesToEditor(int element)
   /* ---------- 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 :
+  custom_element_change.player_action =
+    (HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
+     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);
+     custom_element_change.player_action);
 
   /* set change by collision selectbox help value */
-  custom_element.change_collide_action =
+  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);
+     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 :
+  custom_element_change.other_action =
+    (HAS_CHANGE_EVENT(element, CE_OTHER_GETS_DROPPED) ? CE_OTHER_GETS_DROPPED :
+     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);
+     custom_element_change.other_action);
 }
 
 static void CopyCustomElementPropertiesToGame(int element)
@@ -3888,6 +4477,9 @@ static void CopyCustomElementPropertiesToGame(int element)
   int i;
   int access_type_and_layer;
 
+  /* mark that this custom element has been modified */
+  custom_element.modified_settings = TRUE;
+
   if (level.use_custom_template)
   {
     if (Request("Copy and modify level tem- plate ?", REQ_ASK))
@@ -3898,13 +4490,14 @@ static void CopyCustomElementPropertiesToGame(int element)
     }
     else
     {
-      LoadLevelTemplate(-1);
+      LoadLevelTemplate(-1);   /* this resets all element modifications ... */
 
-      DrawEditModeWindow();
+      DrawEditModeWindow();    /* ... and copies them to 'custom_element' */
     }
   }
 
   element_info[element] = custom_element;
+  *element_info[element].change = custom_element_change;
 
   /* ---------- element settings: configure (custom elements) ------------- */
 
@@ -3923,7 +4516,8 @@ static void CopyCustomElementPropertiesToGame(int element)
 
   /* 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_COLLECTIBLE_ONLY] = FALSE;
+  custom_element_properties[EP_DROPPABLE] = FALSE;
   custom_element_properties[EP_PUSHABLE] = FALSE;
   custom_element_properties[custom_element.walk_to_action] =
     custom_element_properties[EP_WALK_TO_OBJECT];
@@ -3944,7 +4538,8 @@ static void CopyCustomElementPropertiesToGame(int element)
 
   /* 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_1X1] = FALSE;
+  custom_element_properties[EP_CAN_EXPLODE_3X3] = 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;
@@ -3952,7 +4547,8 @@ static void CopyCustomElementPropertiesToGame(int element)
     custom_element_properties[EP_EXPLODE_RESULT];
 
   /* special case: sub-settings dependent from main setting */
-  if (custom_element_properties[EP_CAN_EXPLODE])
+  if (custom_element_properties[EP_CAN_EXPLODE_3X3] ||
+      custom_element_properties[EP_CAN_EXPLODE_1X1])
   {
     custom_element_properties[EP_CAN_EXPLODE_BY_FIRE] =
       custom_element.can_explode_by_fire;
@@ -3968,14 +4564,15 @@ static void CopyCustomElementPropertiesToGame(int element)
   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_DROPPED_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[custom_element_change.collide_action] =
     custom_element_change_events[CE_BY_COLLISION];
 
   /* set other element action change event from checkbox and selectbox */
@@ -3986,7 +4583,8 @@ static void CopyCustomElementPropertiesToGame(int element)
   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_OTHER_GETS_DROPPED] = 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++)
@@ -3997,6 +4595,7 @@ static void CopyCustomElementPropertiesToGame(int element)
 
   /* copy change events also to special level editor variable */
   custom_element = element_info[element];
+  custom_element_change = *element_info[element].change;
 }
 
 void DrawLevelEd()
@@ -4170,7 +4769,7 @@ static void ModifyEditorCounter(int counter_id, int new_value)
   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
 
   if (counter_value != NULL)
-    *counter_value = gi->text.number_value;
+    *counter_value = gi->textinput.number_value;
 }
 
 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
@@ -4185,15 +4784,7 @@ 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;
+  int new_index_value = setSelectboxValue(selectbox_id, new_value);
 
   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
 }
@@ -4270,44 +4861,6 @@ static void DrawDrawingWindow()
   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()
-{
-  struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_RANDOM_BACKGROUND];
-#if 0
-  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;
-#endif
-
-  DrawElementBorder(gi->x, gi->y, MINI_TILEX, MINI_TILEY, TRUE);
-  DrawMiniElement(gi->x, gi->y, random_placement_background_element);
-
-  MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
-}
-
 static void DrawLevelInfoWindow()
 {
   int i;
@@ -4340,227 +4893,84 @@ static void DrawLevelInfoWindow()
     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(ED_DRAWING_ID_AMOEBA_CONTENT);
-}
-
-static void DrawCustomGraphicElementArea()
-{
-  struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_GRAPHIC];
-#if 0
-  int xpos = ED_AREA_ELEM_CONTENT3_XPOS;
-  int ypos = ED_AREA_ELEM_CONTENT3_YPOS;
-  int area_sx = SX + xpos;
-  int area_sy = SY + ypos;
-#endif
-
-  if (!IS_CUSTOM_ELEMENT(properties_element))
-  {
-    /* this should never happen */
-    Error(ERR_WARN, "element %d is no custom element", properties_element);
-
-    return;
-  }
-
-  DrawElementBorder(gi->x, gi->y, MINI_TILEX, MINI_TILEY, TRUE);
-  DrawMiniGraphicExt(drawto, gi->x, gi->y,
-                    el2edimg(custom_element.gfx_element));
-
-  MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
+  MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
 }
 
 static void DrawCustomContentArea()
 {
-  struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CONTENT];
-#if 0
-  int area_sx = SX + ED_AREA_ELEM_CONTENT4_XPOS;
-  int area_sy = SY + ED_AREA_ELEM_CONTENT4_YPOS;
-#endif
+  int id = ED_DRAWING_ID_CUSTOM_CONTENT;
+  struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
   int x2 = right_gadget_border[GADGET_ID_CUSTOM_CONSISTENCY];
   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
-  int xoffset = ED_GADGET_TEXT_DISTANCE + MINI_TILEX / 2;
-  int x, y;
+  int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
 
-  if (!IS_CUSTOM_ELEMENT(properties_element))
-  {
-    /* this should never happen */
-    Error(ERR_WARN, "element %d is no custom element", properties_element);
-
-    return;
-  }
+  /* add distance for potential left text (without drawing area border) */
+  x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
 
   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
 
-  DrawElementBorder(gi->x, gi->y, 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(ED_DRAWING_ID_CUSTOM_CONTENT);
 }
 
-static void DrawCustomChangeTargetArea()
-{
-  int id = ED_DRAWING_ID_CUSTOM_CHANGE_TARGET;
-  int gadget_id = drawingarea_info[id].gadget_id;
-  struct GadgetInfo *gi = level_editor_gadget[gadget_id];
-#if 0
-  int xpos = ED_AREA_ELEM_CONTENT2_XPOS;
-  int ypos = ED_AREA_ELEM_CONTENT2_YPOS;
-  int area_sx = SX + xpos;
-  int area_sy = SY + ypos;
-#endif
-  int xoffset_left = 0;
-  int yoffset_left = ED_BORDER_AREA_YSIZE;
-  int xoffset_right = ED_GADGET_TEXT_DISTANCE + MINI_TILEX / 2;
-  int yoffset_right = ED_BORDER_AREA_YSIZE;
-  int x = drawingarea_info[id].x + xoffset_left;
-  int y = drawingarea_info[id].y + yoffset_left;
-
-  if (!IS_CUSTOM_ELEMENT(properties_element))
-  {
-    /* this should never happen */
-    Error(ERR_WARN, "element %d is no custom element", properties_element);
-
-    return;
-  }
-
-  DrawElementBorder(gi->x, gi->y, MINI_TILEX, MINI_TILEY, TRUE);
-  DrawMiniGraphicExt(drawto, gi->x, gi->y,
-                    el2edimg(custom_element.change.target_element));
-
-  MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
-
-  if (drawingarea_info[id].text_left)
-    DrawTextF(x, y, FONT_TEXT_1, drawingarea_info[id].text_left);
-
-  if (drawingarea_info[id].text_right)
-  {
-    x = gi->x + gi->width + xoffset_right;
-    y = SY + drawingarea_info[id].y + yoffset_right;
-
-    DrawText(x, y, drawingarea_info[id].text_right, FONT_TEXT_1);
-  }
-}
-
 static void DrawCustomChangeContentArea()
 {
-  struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_CONTENT];
-#if 0
-  int area_sx = SX + ED_AREA_ELEM_CONTENT6_XPOS;
-  int area_sy = SY + ED_AREA_ELEM_CONTENT6_YPOS;
-#endif
+  int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
+  struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
   int x2 = right_gadget_border[GADGET_ID_CHANGE_POWER];
   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
-  int xoffset = ED_GADGET_TEXT_DISTANCE + MINI_TILEX / 2;
-  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;
-  }
+  int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
 
   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
 
-  DrawElementBorder(gi->x, gi->y, 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(ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT);
-}
-
-static void DrawCustomChangeTriggerArea()
-{
-  struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_CUSTOM_CHANGE_TRIGGER];
-#if 0
-  int xpos = ED_AREA_ELEM_CONTENT5_XPOS;
-  int ypos = ED_AREA_ELEM_CONTENT5_YPOS;
-  int area_sx = SX + xpos;
-  int area_sy = SY + ypos;
-#endif
-
-  if (!IS_CUSTOM_ELEMENT(properties_element))
-  {
-    /* this should never happen */
-    Error(ERR_WARN, "element %d is no custom element", properties_element);
-
-    return;
-  }
-
-  DrawElementBorder(gi->x, gi->y, MINI_TILEX, MINI_TILEY, TRUE);
-  DrawMiniGraphicExt(drawto, gi->x, gi->y,
-                    el2edimg(custom_element.change.trigger_element));
-
-  MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
+  MapDrawingArea(id);
 }
 
 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);
+  int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
+  int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
+  int 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 < MAX_ELEMENT_CONTENTS; i++)
+  {
+    int id = ED_DRAWING_ID_ELEMENT_CONTENT_0 + i;
+    int font_height = getFontHeight(FONT_TEXT_1);
 
-  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);
+    if (i < level.num_yamyam_contents)
+      MapDrawingArea(id);
+    else
+    {
+      UnmapDrawingArea(id);
 
-  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);
+      /* delete content areas in case of reducing number of them */
+      DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
+                    SY + drawingarea_info[id].y - MINI_TILEY / 2,
+                    4 * MINI_TILEX,
+                    4 * MINI_TILEX + ED_GADGET_TEXT_DISTANCE + font_height);
+    }
+  }
 
-  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]);
+  DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
+  DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
+  DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
+}
 
-    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);
-  }
+static void DrawEnvelopeTextArea()
+{
+  int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
+  struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
 
-  for (i=0; i<level.num_yamyam_contents; i++)
-    MapDrawingArea(ED_DRAWING_ID_ELEMENT_CONTENT_0 + i);
+  UnmapGadget(gi);
+  DrawBackground(gi->x, gi->y, gi->width, gi->height);
+
+  ModifyGadget(gi, GDI_AREA_SIZE, level.envelope_xsize, level.envelope_ysize,
+              GDI_END);
+  MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
 }
 
 char *getElementDescriptionFilename(int element)
@@ -4789,37 +5199,42 @@ static void DrawPropertiesInfo()
   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_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"            },
+
+    { EP_DIGGABLE,             "- can be digged away"                  },
+    { EP_COLLECTIBLE,          "- can be collected"                    },
+    { EP_DROPPABLE,            "- can be dropped after collecting"     },
+    { EP_PUSHABLE,             "- can be pushed"                       },
 
     { 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"                    },
+#if 0
     { EP_CAN_SMASH_ENEMIES,    "- can smash good and bad guys"         },
+#endif
     { 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_SLIPPERY,             "- slippery for falling objects"        },
+    { EP_EM_SLIPPERY_WALL,     "- slippery for some gems (EM style)"   },
 
     { 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"            },
+    { EP_INDESTRUCTIBLE,       "- undestructible"                      },
+
+    { EP_CAN_EXPLODE_BY_FIRE,  "- can explode by fire or explosions"   },
+    { EP_CAN_EXPLODE_SMASHED,  "- can explode when smashed"            },
+    { EP_CAN_EXPLODE_IMPACT,   "- can explode on impact"               },
+
+    { EP_CAN_CHANGE,           "- can change to other element"         },
 
     /* pre-defined properties */
     { EP_CAN_PASS_MAGIC_WALL,  "- can pass magic walls"                },
@@ -4965,7 +5380,8 @@ static boolean checkPropertiesConfig()
 
   if (IS_GEM(properties_element) ||
       IS_CUSTOM_ELEMENT(properties_element) ||
-      HAS_CONTENT(properties_element))
+      HAS_CONTENT(properties_element) ||
+      properties_element == EL_ENVELOPE)
     return TRUE;
   else
     for (i=0; elements_with_counter[i].element != -1; i++)
@@ -5009,7 +5425,7 @@ static void DrawPropertiesConfig()
     MapCheckbuttonGadget(i);
 
     if (IS_AMOEBOID(properties_element))
-      DrawAmoebaContentArea();
+      MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
     else
       DrawElementContentAreas();
   }
@@ -5017,6 +5433,15 @@ static void DrawPropertiesConfig()
   if (IS_GEM(properties_element))
     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
 
+  if (properties_element == EL_ENVELOPE)
+  {
+    /* display counter to choose size of envelope text area */
+    MapCounterButtons(ED_COUNTER_ID_ENVELOPE_XSIZE);
+    MapCounterButtons(ED_COUNTER_ID_ENVELOPE_YSIZE);
+
+    DrawEnvelopeTextArea();
+  }
+
   if (IS_CUSTOM_ELEMENT(properties_element))
   {
     /* draw stickybutton gadget */
@@ -5047,9 +5472,10 @@ static void DrawPropertiesConfig()
 
 static void DrawPropertiesAdvancedDrawingAreas()
 {
-  DrawCustomGraphicElementArea();
-  DrawCustomChangeTargetArea();
-  DrawCustomChangeTriggerArea();
+  MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
+  MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
+  MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
+
   DrawCustomChangeContentArea();
 
   redraw_mask |= REDRAW_FIELD;
@@ -5078,7 +5504,13 @@ static void DrawPropertiesAdvanced()
     MapSelectboxGadget(i);
 
   /* draw textbutton gadgets */
-  MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
+  for (i=ED_TEXTBUTTON_ID_CHANGE_FIRST; i<=ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
+    MapTextbuttonGadget(i);
+
+  /* draw graphicbutton gadgets */
+  for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
+       i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
+    MapGraphicbuttonGadget(i);
 
   /* draw drawing area gadgets */
   DrawPropertiesAdvancedDrawingAreas();
@@ -5934,19 +6366,19 @@ static void HandleDrawingAreas(struct GadgetInfo *gi)
        }
        else if (id == GADGET_ID_CUSTOM_CHANGE_TARGET)
        {
-         custom_element.change.target_element = new_element;
+         custom_element_change.target_element = new_element;
 
          CopyCustomElementPropertiesToGame(properties_element);
        }
        else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
        {
-         custom_element.change.content[sx][sy] = new_element;
+         custom_element_change.content[sx][sy] = new_element;
 
          CopyCustomElementPropertiesToGame(properties_element);
        }
        else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
        {
-         custom_element.change.trigger_element = new_element;
+         custom_element_change.trigger_element = new_element;
 
          CopyCustomElementPropertiesToGame(properties_element);
        }
@@ -6061,11 +6493,11 @@ static void HandleDrawingAreas(struct GadgetInfo *gi)
       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);
+       PickDrawingElement(button, custom_element_change.target_element);
       else if (id == GADGET_ID_CUSTOM_CHANGE_CONTENT)
-       PickDrawingElement(button, custom_element.change.content[sx][sy]);
+       PickDrawingElement(button, custom_element_change.content[sx][sy]);
       else if (id == GADGET_ID_CUSTOM_CHANGE_TRIGGER)
-       PickDrawingElement(button, custom_element.change.trigger_element);
+       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 &&
@@ -6111,7 +6543,7 @@ static void HandleCounterButtons(struct GadgetInfo *gi)
   }
 
   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
-    *counter_value = gi->text.number_value;
+    *counter_value = gi->textinput.number_value;
   else
     ModifyEditorCounter(counter_id, *counter_value + step);
 
@@ -6121,6 +6553,11 @@ static void HandleCounterButtons(struct GadgetInfo *gi)
       DrawElementContentAreas();
       break;
 
+    case ED_COUNTER_ID_ENVELOPE_XSIZE:
+    case ED_COUNTER_ID_ENVELOPE_YSIZE:
+      DrawEnvelopeTextArea();
+      break;
+
     case ED_COUNTER_ID_LEVEL_XSIZE:
     case ED_COUNTER_ID_LEVEL_YSIZE:
       lev_fieldx = level.fieldx;
@@ -6149,7 +6586,7 @@ static void HandleTextInputGadgets(struct GadgetInfo *gi)
 {
   int type_id = gi->custom_type_id;
 
-  strcpy(textinput_info[type_id].value, gi->text.value);
+  strcpy(textinput_info[type_id].value, gi->textinput.value);
 
   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
   {
@@ -6159,6 +6596,13 @@ static void HandleTextInputGadgets(struct GadgetInfo *gi)
   }
 }
 
+static void HandleTextAreaGadgets(struct GadgetInfo *gi)
+{
+  int type_id = gi->custom_type_id;
+
+  strcpy(textarea_info[type_id].value, gi->textarea.value);
+}
+
 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
 {
   int type_id = gi->custom_type_id;
@@ -6166,19 +6610,26 @@ static void HandleSelectboxGadgets(struct GadgetInfo *gi)
   *selectbox_info[type_id].value =
     selectbox_info[type_id].options[gi->selectbox.index].value;
 
-  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))
+  if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
+  {
+    element_info[properties_element].current_change_page = gi->selectbox.index;
+
+    DrawPropertiesWindow();
+  }
+  else 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);
 }
 
 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
 {
   int type_id = gi->custom_type_id;
+  int i;
 
-  if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_INFO &&
-      type_id <= ED_TEXTBUTTON_ID_PROPERTIES_ADVANCED)
+  if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
+      type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
   {
     edit_mode_properties = gi->custom_type_id;
 
@@ -6195,6 +6646,56 @@ static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
     if (new_template)
       Request("Tem- plate saved !", REQ_CONFIRM);
   }
+  else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
+          custom_element.num_change_pages < MAX_CHANGE_PAGES)
+  {
+    struct ElementInfo *ei = &element_info[properties_element];
+
+    setElementChangePages(ei, ei->num_change_pages + 1);
+
+    /* set new change page to be new current change page */
+    ei->current_change_page = ei->num_change_pages - 1;
+    ei->change = &ei->change_page[ei->current_change_page];
+
+    setElementChangeInfoToDefaults(ei->change);
+
+    DrawPropertiesWindow();
+  }
+  else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
+          custom_element.num_change_pages > MIN_CHANGE_PAGES)
+  {
+    struct ElementInfo *ei = &element_info[properties_element];
+
+    /* copy all change pages after change page to be deleted */
+    for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
+      ei->change_page[i] = ei->change_page[i + 1];
+
+    setElementChangePages(ei, ei->num_change_pages - 1);
+
+    DrawPropertiesWindow();
+  }
+}
+
+static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
+{
+  int type_id = gi->custom_type_id;
+
+  if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
+      type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
+  {
+    struct ElementInfo *ei = &element_info[properties_element];
+    int step = BUTTON_STEPSIZE(gi->event.button);
+
+    step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
+    ei->current_change_page += step;
+
+    if (ei->current_change_page < 0)
+      ei->current_change_page = 0;
+    else if (ei->current_change_page >= ei->num_change_pages)
+      ei->current_change_page = ei->num_change_pages - 1;
+
+    DrawPropertiesWindow();
+  }
 }
 
 static void HandleRadiobuttons(struct GadgetInfo *gi)
@@ -6851,13 +7352,13 @@ static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
                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));
+               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]));
+               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));
+               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));