replaced preprocessor constants with enum values
[rocksndiamonds.git] / src / editor.c
index 7ba41621be34cda75b0e381688d46c4ec284def9..fe006ee671a98ddc6389d958b8ec9c2870efb7b2 100644 (file)
   -----------------------------------------------------------------------------
 */
 
-/* drawing toolbox buttons */
-#define GADGET_ID_NONE                 -1
-#define GADGET_ID_TOOLBOX_FIRST                0
-
-#define GADGET_ID_SINGLE_ITEMS         (GADGET_ID_TOOLBOX_FIRST + 0)
-#define GADGET_ID_CONNECTED_ITEMS      (GADGET_ID_TOOLBOX_FIRST + 1)
-#define GADGET_ID_LINE                 (GADGET_ID_TOOLBOX_FIRST + 2)
-#define GADGET_ID_ARC                  (GADGET_ID_TOOLBOX_FIRST + 3)
-#define GADGET_ID_RECTANGLE            (GADGET_ID_TOOLBOX_FIRST + 4)
-#define GADGET_ID_FILLED_BOX           (GADGET_ID_TOOLBOX_FIRST + 5)
-#define GADGET_ID_WRAP_UP              (GADGET_ID_TOOLBOX_FIRST + 6)
-#define GADGET_ID_TEXT                 (GADGET_ID_TOOLBOX_FIRST + 7)
-#define GADGET_ID_FLOOD_FILL           (GADGET_ID_TOOLBOX_FIRST + 8)
-#define GADGET_ID_WRAP_LEFT            (GADGET_ID_TOOLBOX_FIRST + 9)
-#define GADGET_ID_ZOOM                 (GADGET_ID_TOOLBOX_FIRST + 10)
-#define GADGET_ID_WRAP_RIGHT           (GADGET_ID_TOOLBOX_FIRST + 11)
-#define GADGET_ID_RANDOM_PLACEMENT     (GADGET_ID_TOOLBOX_FIRST + 12)
-#define GADGET_ID_GRAB_BRUSH           (GADGET_ID_TOOLBOX_FIRST + 13)
-#define GADGET_ID_WRAP_DOWN            (GADGET_ID_TOOLBOX_FIRST + 14)
-#define GADGET_ID_PICK_ELEMENT         (GADGET_ID_TOOLBOX_FIRST + 15)
-
-#define GADGET_ID_UNDO                 (GADGET_ID_TOOLBOX_FIRST + 16)
-#define GADGET_ID_INFO                 (GADGET_ID_TOOLBOX_FIRST + 17)
-#define GADGET_ID_SAVE                 (GADGET_ID_TOOLBOX_FIRST + 18)
-#define GADGET_ID_CLEAR                        (GADGET_ID_TOOLBOX_FIRST + 19)
-#define GADGET_ID_TEST                 (GADGET_ID_TOOLBOX_FIRST + 20)
-#define GADGET_ID_EXIT                 (GADGET_ID_TOOLBOX_FIRST + 21)
-
-#define GADGET_ID_CUSTOM_COPY_FROM     (GADGET_ID_TOOLBOX_FIRST + 22)
-#define GADGET_ID_CUSTOM_COPY_TO       (GADGET_ID_TOOLBOX_FIRST + 23)
-#define GADGET_ID_CUSTOM_EXCHANGE      (GADGET_ID_TOOLBOX_FIRST + 24)
-#define GADGET_ID_CUSTOM_COPY          (GADGET_ID_TOOLBOX_FIRST + 25)
-#define GADGET_ID_CUSTOM_PASTE         (GADGET_ID_TOOLBOX_FIRST + 26)
-
-#define GADGET_ID_PROPERTIES           (GADGET_ID_TOOLBOX_FIRST + 27)
-#define GADGET_ID_ELEMENT_LEFT         (GADGET_ID_TOOLBOX_FIRST + 28)
-#define GADGET_ID_ELEMENT_MIDDLE       (GADGET_ID_TOOLBOX_FIRST + 29)
-#define GADGET_ID_ELEMENT_RIGHT                (GADGET_ID_TOOLBOX_FIRST + 30)
-#define GADGET_ID_PALETTE              (GADGET_ID_TOOLBOX_FIRST + 31)
-
-/* counter gadget identifiers */
-#define GADGET_ID_COUNTER_FIRST                (GADGET_ID_TOOLBOX_FIRST + 32)
-
-#define GADGET_ID_SELECT_LEVEL_DOWN    (GADGET_ID_COUNTER_FIRST + 0)
-#define GADGET_ID_SELECT_LEVEL_TEXT    (GADGET_ID_COUNTER_FIRST + 1)
-#define GADGET_ID_SELECT_LEVEL_UP      (GADGET_ID_COUNTER_FIRST + 2)
-#define GADGET_ID_LEVEL_XSIZE_DOWN     (GADGET_ID_COUNTER_FIRST + 3)
-#define GADGET_ID_LEVEL_XSIZE_TEXT     (GADGET_ID_COUNTER_FIRST + 4)
-#define GADGET_ID_LEVEL_XSIZE_UP       (GADGET_ID_COUNTER_FIRST + 5)
-#define GADGET_ID_LEVEL_YSIZE_DOWN     (GADGET_ID_COUNTER_FIRST + 6)
-#define GADGET_ID_LEVEL_YSIZE_TEXT     (GADGET_ID_COUNTER_FIRST + 7)
-#define GADGET_ID_LEVEL_YSIZE_UP       (GADGET_ID_COUNTER_FIRST + 8)
-#define GADGET_ID_LEVEL_RANDOM_DOWN    (GADGET_ID_COUNTER_FIRST + 9)
-#define GADGET_ID_LEVEL_RANDOM_TEXT    (GADGET_ID_COUNTER_FIRST + 10)
-#define GADGET_ID_LEVEL_RANDOM_UP      (GADGET_ID_COUNTER_FIRST + 11)
-#define GADGET_ID_LEVEL_GEMSLIMIT_DOWN (GADGET_ID_COUNTER_FIRST + 12)
-#define GADGET_ID_LEVEL_GEMSLIMIT_TEXT (GADGET_ID_COUNTER_FIRST + 13)
-#define GADGET_ID_LEVEL_GEMSLIMIT_UP   (GADGET_ID_COUNTER_FIRST + 14)
-#define GADGET_ID_LEVEL_TIMELIMIT_DOWN (GADGET_ID_COUNTER_FIRST + 15)
-#define GADGET_ID_LEVEL_TIMELIMIT_TEXT (GADGET_ID_COUNTER_FIRST + 16)
-#define GADGET_ID_LEVEL_TIMELIMIT_UP   (GADGET_ID_COUNTER_FIRST + 17)
-#define GADGET_ID_LEVEL_TIMESCORE_DOWN (GADGET_ID_COUNTER_FIRST + 18)
-#define GADGET_ID_LEVEL_TIMESCORE_TEXT (GADGET_ID_COUNTER_FIRST + 19)
-#define GADGET_ID_LEVEL_TIMESCORE_UP   (GADGET_ID_COUNTER_FIRST + 20)
-#define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
-#define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
-#define GADGET_ID_LEVEL_RANDOM_SEED_UP (GADGET_ID_COUNTER_FIRST + 23)
-#define GADGET_ID_LEVELSET_NUM_LEVELS_DOWN (GADGET_ID_COUNTER_FIRST + 24)
-#define GADGET_ID_LEVELSET_NUM_LEVELS_TEXT (GADGET_ID_COUNTER_FIRST + 25)
-#define GADGET_ID_LEVELSET_NUM_LEVELS_UP   (GADGET_ID_COUNTER_FIRST + 26)
-#define GADGET_ID_ELEMENT_VALUE1_DOWN  (GADGET_ID_COUNTER_FIRST + 27)
-#define GADGET_ID_ELEMENT_VALUE1_TEXT  (GADGET_ID_COUNTER_FIRST + 28)
-#define GADGET_ID_ELEMENT_VALUE1_UP    (GADGET_ID_COUNTER_FIRST + 29)
-#define GADGET_ID_ELEMENT_VALUE2_DOWN  (GADGET_ID_COUNTER_FIRST + 30)
-#define GADGET_ID_ELEMENT_VALUE2_TEXT  (GADGET_ID_COUNTER_FIRST + 31)
-#define GADGET_ID_ELEMENT_VALUE2_UP    (GADGET_ID_COUNTER_FIRST + 32)
-#define GADGET_ID_ELEMENT_VALUE3_DOWN  (GADGET_ID_COUNTER_FIRST + 33)
-#define GADGET_ID_ELEMENT_VALUE3_TEXT  (GADGET_ID_COUNTER_FIRST + 34)
-#define GADGET_ID_ELEMENT_VALUE3_UP    (GADGET_ID_COUNTER_FIRST + 35)
-#define GADGET_ID_ELEMENT_VALUE4_DOWN  (GADGET_ID_COUNTER_FIRST + 36)
-#define GADGET_ID_ELEMENT_VALUE4_TEXT  (GADGET_ID_COUNTER_FIRST + 37)
-#define GADGET_ID_ELEMENT_VALUE4_UP    (GADGET_ID_COUNTER_FIRST + 38)
-#define GADGET_ID_YAMYAM_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 39)
-#define GADGET_ID_YAMYAM_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 40)
-#define GADGET_ID_YAMYAM_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 41)
-#define GADGET_ID_BALL_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 42)
-#define GADGET_ID_BALL_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 43)
-#define GADGET_ID_BALL_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 44)
-#define GADGET_ID_ANDROID_CONTENT_DOWN (GADGET_ID_COUNTER_FIRST + 45)
-#define GADGET_ID_ANDROID_CONTENT_TEXT (GADGET_ID_COUNTER_FIRST + 46)
-#define GADGET_ID_ANDROID_CONTENT_UP   (GADGET_ID_COUNTER_FIRST + 47)
-#define GADGET_ID_ENVELOPE_XSIZE_DOWN  (GADGET_ID_COUNTER_FIRST + 48)
-#define GADGET_ID_ENVELOPE_XSIZE_TEXT  (GADGET_ID_COUNTER_FIRST + 49)
-#define GADGET_ID_ENVELOPE_XSIZE_UP    (GADGET_ID_COUNTER_FIRST + 50)
-#define GADGET_ID_ENVELOPE_YSIZE_DOWN  (GADGET_ID_COUNTER_FIRST + 51)
-#define GADGET_ID_ENVELOPE_YSIZE_TEXT  (GADGET_ID_COUNTER_FIRST + 52)
-#define GADGET_ID_ENVELOPE_YSIZE_UP    (GADGET_ID_COUNTER_FIRST + 53)
-#define GADGET_ID_INVENTORY_SIZE_DOWN  (GADGET_ID_COUNTER_FIRST + 54)
-#define GADGET_ID_INVENTORY_SIZE_TEXT  (GADGET_ID_COUNTER_FIRST + 55)
-#define GADGET_ID_INVENTORY_SIZE_UP    (GADGET_ID_COUNTER_FIRST + 56)
-#define GADGET_ID_CUSTOM_SCORE_DOWN    (GADGET_ID_COUNTER_FIRST + 57)
-#define GADGET_ID_CUSTOM_SCORE_TEXT    (GADGET_ID_COUNTER_FIRST + 58)
-#define GADGET_ID_CUSTOM_SCORE_UP      (GADGET_ID_COUNTER_FIRST + 59)
-#define GADGET_ID_CUSTOM_GEMCOUNT_DOWN (GADGET_ID_COUNTER_FIRST + 60)
-#define GADGET_ID_CUSTOM_GEMCOUNT_TEXT (GADGET_ID_COUNTER_FIRST + 61)
-#define GADGET_ID_CUSTOM_GEMCOUNT_UP   (GADGET_ID_COUNTER_FIRST + 62)
-#define GADGET_ID_CUSTOM_VALUE_FIX_DOWN        (GADGET_ID_COUNTER_FIRST + 63)
-#define GADGET_ID_CUSTOM_VALUE_FIX_TEXT        (GADGET_ID_COUNTER_FIRST + 64)
-#define GADGET_ID_CUSTOM_VALUE_FIX_UP  (GADGET_ID_COUNTER_FIRST + 65)
-#define GADGET_ID_CUSTOM_VALUE_RND_DOWN        (GADGET_ID_COUNTER_FIRST + 66)
-#define GADGET_ID_CUSTOM_VALUE_RND_TEXT        (GADGET_ID_COUNTER_FIRST + 67)
-#define GADGET_ID_CUSTOM_VALUE_RND_UP  (GADGET_ID_COUNTER_FIRST + 68)
-#define GADGET_ID_PUSH_DELAY_FIX_DOWN  (GADGET_ID_COUNTER_FIRST + 69)
-#define GADGET_ID_PUSH_DELAY_FIX_TEXT  (GADGET_ID_COUNTER_FIRST + 70)
-#define GADGET_ID_PUSH_DELAY_FIX_UP    (GADGET_ID_COUNTER_FIRST + 71)
-#define GADGET_ID_PUSH_DELAY_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 72)
-#define GADGET_ID_PUSH_DELAY_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 73)
-#define GADGET_ID_PUSH_DELAY_RND_UP    (GADGET_ID_COUNTER_FIRST + 74)
-#define GADGET_ID_DROP_DELAY_FIX_DOWN  (GADGET_ID_COUNTER_FIRST + 75)
-#define GADGET_ID_DROP_DELAY_FIX_TEXT  (GADGET_ID_COUNTER_FIRST + 76)
-#define GADGET_ID_DROP_DELAY_FIX_UP    (GADGET_ID_COUNTER_FIRST + 77)
-#define GADGET_ID_DROP_DELAY_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 78)
-#define GADGET_ID_DROP_DELAY_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 79)
-#define GADGET_ID_DROP_DELAY_RND_UP    (GADGET_ID_COUNTER_FIRST + 80)
-#define GADGET_ID_MOVE_DELAY_FIX_DOWN  (GADGET_ID_COUNTER_FIRST + 81)
-#define GADGET_ID_MOVE_DELAY_FIX_TEXT  (GADGET_ID_COUNTER_FIRST + 82)
-#define GADGET_ID_MOVE_DELAY_FIX_UP    (GADGET_ID_COUNTER_FIRST + 83)
-#define GADGET_ID_MOVE_DELAY_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 84)
-#define GADGET_ID_MOVE_DELAY_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 85)
-#define GADGET_ID_MOVE_DELAY_RND_UP    (GADGET_ID_COUNTER_FIRST + 86)
-#define GADGET_ID_EXPLOSION_DELAY_DOWN (GADGET_ID_COUNTER_FIRST + 87)
-#define GADGET_ID_EXPLOSION_DELAY_TEXT (GADGET_ID_COUNTER_FIRST + 88)
-#define GADGET_ID_EXPLOSION_DELAY_UP   (GADGET_ID_COUNTER_FIRST + 89)
-#define GADGET_ID_IGNITION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 90)
-#define GADGET_ID_IGNITION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 91)
-#define GADGET_ID_IGNITION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 92)
-#define GADGET_ID_CHANGE_DELAY_FIX_DOWN        (GADGET_ID_COUNTER_FIRST + 93)
-#define GADGET_ID_CHANGE_DELAY_FIX_TEXT        (GADGET_ID_COUNTER_FIRST + 94)
-#define GADGET_ID_CHANGE_DELAY_FIX_UP  (GADGET_ID_COUNTER_FIRST + 95)
-#define GADGET_ID_CHANGE_DELAY_RND_DOWN        (GADGET_ID_COUNTER_FIRST + 96)
-#define GADGET_ID_CHANGE_DELAY_RND_TEXT        (GADGET_ID_COUNTER_FIRST + 97)
-#define GADGET_ID_CHANGE_DELAY_RND_UP  (GADGET_ID_COUNTER_FIRST + 98)
-#define GADGET_ID_CHANGE_CONT_RND_DOWN (GADGET_ID_COUNTER_FIRST + 99)
-#define GADGET_ID_CHANGE_CONT_RND_TEXT (GADGET_ID_COUNTER_FIRST + 100)
-#define GADGET_ID_CHANGE_CONT_RND_UP   (GADGET_ID_COUNTER_FIRST + 101)
-#define GADGET_ID_GROUP_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 102)
-#define GADGET_ID_GROUP_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 103)
-#define GADGET_ID_GROUP_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 104)
-
-/* drawing area identifiers */
-#define GADGET_ID_DRAWING_AREA_FIRST   (GADGET_ID_COUNTER_FIRST + 105)
-
-#define GADGET_ID_DRAWING_LEVEL                (GADGET_ID_DRAWING_AREA_FIRST + 0)
-#define GADGET_ID_YAMYAM_CONTENT_0     (GADGET_ID_DRAWING_AREA_FIRST + 1)
-#define GADGET_ID_YAMYAM_CONTENT_1     (GADGET_ID_DRAWING_AREA_FIRST + 2)
-#define GADGET_ID_YAMYAM_CONTENT_2     (GADGET_ID_DRAWING_AREA_FIRST + 3)
-#define GADGET_ID_YAMYAM_CONTENT_3     (GADGET_ID_DRAWING_AREA_FIRST + 4)
-#define GADGET_ID_YAMYAM_CONTENT_4     (GADGET_ID_DRAWING_AREA_FIRST + 5)
-#define GADGET_ID_YAMYAM_CONTENT_5     (GADGET_ID_DRAWING_AREA_FIRST + 6)
-#define GADGET_ID_YAMYAM_CONTENT_6     (GADGET_ID_DRAWING_AREA_FIRST + 7)
-#define GADGET_ID_YAMYAM_CONTENT_7     (GADGET_ID_DRAWING_AREA_FIRST + 8)
-#define GADGET_ID_MAGIC_BALL_CONTENT_0 (GADGET_ID_DRAWING_AREA_FIRST + 9)
-#define GADGET_ID_MAGIC_BALL_CONTENT_1 (GADGET_ID_DRAWING_AREA_FIRST + 10)
-#define GADGET_ID_MAGIC_BALL_CONTENT_2 (GADGET_ID_DRAWING_AREA_FIRST + 11)
-#define GADGET_ID_MAGIC_BALL_CONTENT_3 (GADGET_ID_DRAWING_AREA_FIRST + 12)
-#define GADGET_ID_MAGIC_BALL_CONTENT_4 (GADGET_ID_DRAWING_AREA_FIRST + 13)
-#define GADGET_ID_MAGIC_BALL_CONTENT_5 (GADGET_ID_DRAWING_AREA_FIRST + 14)
-#define GADGET_ID_MAGIC_BALL_CONTENT_6 (GADGET_ID_DRAWING_AREA_FIRST + 15)
-#define GADGET_ID_MAGIC_BALL_CONTENT_7 (GADGET_ID_DRAWING_AREA_FIRST + 16)
-#define GADGET_ID_ANDROID_CONTENT      (GADGET_ID_DRAWING_AREA_FIRST + 17)
-#define GADGET_ID_AMOEBA_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 18)
-#define GADGET_ID_START_ELEMENT                (GADGET_ID_DRAWING_AREA_FIRST + 19)
-#define GADGET_ID_ARTWORK_ELEMENT      (GADGET_ID_DRAWING_AREA_FIRST + 20)
-#define GADGET_ID_EXPLOSION_ELEMENT    (GADGET_ID_DRAWING_AREA_FIRST + 21)
-#define GADGET_ID_INVENTORY_CONTENT    (GADGET_ID_DRAWING_AREA_FIRST + 22)
-#define GADGET_ID_CUSTOM_GRAPHIC       (GADGET_ID_DRAWING_AREA_FIRST + 23)
-#define GADGET_ID_CUSTOM_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 24)
-#define GADGET_ID_CUSTOM_MOVE_ENTER    (GADGET_ID_DRAWING_AREA_FIRST + 25)
-#define GADGET_ID_CUSTOM_MOVE_LEAVE    (GADGET_ID_DRAWING_AREA_FIRST + 26)
-#define GADGET_ID_CUSTOM_CHANGE_TARGET (GADGET_ID_DRAWING_AREA_FIRST + 27)
-#define GADGET_ID_CUSTOM_CHANGE_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 28)
-#define GADGET_ID_CUSTOM_CHANGE_TRIGGER        (GADGET_ID_DRAWING_AREA_FIRST + 29)
-#define GADGET_ID_CUSTOM_CHANGE_ACTION (GADGET_ID_DRAWING_AREA_FIRST + 30)
-#define GADGET_ID_GROUP_CONTENT                (GADGET_ID_DRAWING_AREA_FIRST + 31)
-#define GADGET_ID_RANDOM_BACKGROUND    (GADGET_ID_DRAWING_AREA_FIRST + 32)
-
-/* text input identifiers */
-#define GADGET_ID_TEXT_INPUT_FIRST     (GADGET_ID_DRAWING_AREA_FIRST + 33)
-
-#define GADGET_ID_LEVEL_NAME           (GADGET_ID_TEXT_INPUT_FIRST + 0)
-#define GADGET_ID_LEVEL_AUTHOR         (GADGET_ID_TEXT_INPUT_FIRST + 1)
-#define GADGET_ID_LEVELSET_NAME                (GADGET_ID_TEXT_INPUT_FIRST + 2)
-#define GADGET_ID_LEVELSET_AUTHOR      (GADGET_ID_TEXT_INPUT_FIRST + 3)
-#define GADGET_ID_ELEMENT_NAME         (GADGET_ID_TEXT_INPUT_FIRST + 4)
-
-/* text area identifiers */
-#define GADGET_ID_TEXT_AREA_FIRST      (GADGET_ID_TEXT_INPUT_FIRST + 5)
-
-#define GADGET_ID_ENVELOPE_INFO                (GADGET_ID_TEXT_AREA_FIRST + 0)
-
-/* selectbox identifiers */
-#define GADGET_ID_SELECTBOX_FIRST      (GADGET_ID_TEXT_AREA_FIRST + 1)
-
-#define GADGET_ID_TIME_OR_STEPS                (GADGET_ID_SELECTBOX_FIRST + 0)
-#define GADGET_ID_GAME_ENGINE_TYPE     (GADGET_ID_SELECTBOX_FIRST + 1)
-#define GADGET_ID_LEVELSET_SAVE_MODE   (GADGET_ID_SELECTBOX_FIRST + 2)
-#define GADGET_ID_WIND_DIRECTION       (GADGET_ID_SELECTBOX_FIRST + 3)
-#define GADGET_ID_PLAYER_SPEED         (GADGET_ID_SELECTBOX_FIRST + 4)
-#define GADGET_ID_CUSTOM_WALK_TO_ACTION        (GADGET_ID_SELECTBOX_FIRST + 5)
-#define GADGET_ID_CUSTOM_EXPLOSION_TYPE        (GADGET_ID_SELECTBOX_FIRST + 6)
-#define GADGET_ID_CUSTOM_DEADLINESS    (GADGET_ID_SELECTBOX_FIRST + 7)
-#define GADGET_ID_CUSTOM_MOVE_PATTERN  (GADGET_ID_SELECTBOX_FIRST + 8)
-#define GADGET_ID_CUSTOM_MOVE_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 9)
-#define GADGET_ID_CUSTOM_MOVE_STEPSIZE (GADGET_ID_SELECTBOX_FIRST + 10)
-#define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 11)
-#define GADGET_ID_CUSTOM_SMASH_TARGETS (GADGET_ID_SELECTBOX_FIRST + 12)
-#define GADGET_ID_CUSTOM_SLIPPERY_TYPE (GADGET_ID_SELECTBOX_FIRST + 13)
-#define GADGET_ID_CUSTOM_ACCESS_TYPE   (GADGET_ID_SELECTBOX_FIRST + 14)
-#define GADGET_ID_CUSTOM_ACCESS_LAYER  (GADGET_ID_SELECTBOX_FIRST + 15)
-#define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 16)
-#define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 17)
-#define GADGET_ID_CHANGE_TIME_UNITS    (GADGET_ID_SELECTBOX_FIRST + 18)
-#define GADGET_ID_CHANGE_DIRECT_ACTION (GADGET_ID_SELECTBOX_FIRST + 19)
-#define GADGET_ID_CHANGE_OTHER_ACTION  (GADGET_ID_SELECTBOX_FIRST + 20)
-#define GADGET_ID_CHANGE_SIDE          (GADGET_ID_SELECTBOX_FIRST + 21)
-#define GADGET_ID_CHANGE_PLAYER                (GADGET_ID_SELECTBOX_FIRST + 22)
-#define GADGET_ID_CHANGE_PAGE          (GADGET_ID_SELECTBOX_FIRST + 23)
-#define GADGET_ID_CHANGE_REPLACE_WHEN  (GADGET_ID_SELECTBOX_FIRST + 24)
-#define GADGET_ID_ACTION_TYPE          (GADGET_ID_SELECTBOX_FIRST + 25)
-#define GADGET_ID_ACTION_MODE          (GADGET_ID_SELECTBOX_FIRST + 26)
-#define GADGET_ID_ACTION_ARG           (GADGET_ID_SELECTBOX_FIRST + 27)
-#define GADGET_ID_SELECT_CHANGE_PAGE   (GADGET_ID_SELECTBOX_FIRST + 28)
-#define GADGET_ID_GROUP_CHOICE_MODE    (GADGET_ID_SELECTBOX_FIRST + 29)
-
-/* textbutton identifiers */
-#define GADGET_ID_TEXTBUTTON_FIRST     (GADGET_ID_SELECTBOX_FIRST + 30)
-
-#define GADGET_ID_LEVELINFO_LEVEL      (GADGET_ID_TEXTBUTTON_FIRST + 0)
-#define GADGET_ID_LEVELINFO_LEVELSET   (GADGET_ID_TEXTBUTTON_FIRST + 1)
-#define GADGET_ID_LEVELINFO_EDITOR     (GADGET_ID_TEXTBUTTON_FIRST + 2)
-#define GADGET_ID_PROPERTIES_INFO      (GADGET_ID_TEXTBUTTON_FIRST + 3)
-#define GADGET_ID_PROPERTIES_CONFIG    (GADGET_ID_TEXTBUTTON_FIRST + 4)
-#define GADGET_ID_PROPERTIES_CONFIG_1  (GADGET_ID_TEXTBUTTON_FIRST + 5)
-#define GADGET_ID_PROPERTIES_CONFIG_2  (GADGET_ID_TEXTBUTTON_FIRST + 6)
-#define GADGET_ID_PROPERTIES_CHANGE    (GADGET_ID_TEXTBUTTON_FIRST + 7)
-#define GADGET_ID_SAVE_AS_TEMPLATE_1   (GADGET_ID_TEXTBUTTON_FIRST + 8)
-#define GADGET_ID_SAVE_AS_TEMPLATE_2   (GADGET_ID_TEXTBUTTON_FIRST + 9)
-#define GADGET_ID_SAVE_LEVELSET                (GADGET_ID_TEXTBUTTON_FIRST + 10)
-#define GADGET_ID_ADD_CHANGE_PAGE      (GADGET_ID_TEXTBUTTON_FIRST + 11)
-#define GADGET_ID_DEL_CHANGE_PAGE      (GADGET_ID_TEXTBUTTON_FIRST + 12)
-
-/* graphicbutton identifiers */
-#define GADGET_ID_GRAPHICBUTTON_FIRST  (GADGET_ID_TEXTBUTTON_FIRST + 13)
-
-#define GADGET_ID_PREV_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
-#define GADGET_ID_NEXT_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
-#define GADGET_ID_COPY_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
-#define GADGET_ID_PASTE_CHANGE_PAGE    (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
-
-/* gadgets for scrolling of drawing area */
-#define GADGET_ID_SCROLLING_FIRST      (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
-
-#define GADGET_ID_SCROLL_UP            (GADGET_ID_SCROLLING_FIRST + 0)
-#define GADGET_ID_SCROLL_DOWN          (GADGET_ID_SCROLLING_FIRST + 1)
-#define GADGET_ID_SCROLL_LEFT          (GADGET_ID_SCROLLING_FIRST + 2)
-#define GADGET_ID_SCROLL_RIGHT         (GADGET_ID_SCROLLING_FIRST + 3)
-#define GADGET_ID_SCROLL_HORIZONTAL    (GADGET_ID_SCROLLING_FIRST + 4)
-#define GADGET_ID_SCROLL_VERTICAL      (GADGET_ID_SCROLLING_FIRST + 5)
-
-/* gadgets for scrolling element list */
-#define GADGET_ID_SCROLLING_LIST_FIRST (GADGET_ID_SCROLLING_FIRST + 6)
-
-#define GADGET_ID_SCROLL_LIST_UP       (GADGET_ID_SCROLLING_LIST_FIRST + 0)
-#define GADGET_ID_SCROLL_LIST_DOWN     (GADGET_ID_SCROLLING_LIST_FIRST + 1)
-#define GADGET_ID_SCROLL_LIST_VERTICAL (GADGET_ID_SCROLLING_LIST_FIRST + 2)
-
-/* checkbuttons/radiobuttons for level/element properties */
-#define GADGET_ID_CHECKBUTTON_FIRST    (GADGET_ID_SCROLLING_LIST_FIRST + 3)
-
-#define GADGET_ID_AUTO_COUNT_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 0)
-#define GADGET_ID_USE_LEVELSET_ARTWORK (GADGET_ID_CHECKBUTTON_FIRST + 1)
-#define GADGET_ID_COPY_LEVEL_TEMPLATE  (GADGET_ID_CHECKBUTTON_FIRST + 2)
-#define GADGET_ID_RANDOM_PERCENTAGE    (GADGET_ID_CHECKBUTTON_FIRST + 3)
-#define GADGET_ID_RANDOM_QUANTITY      (GADGET_ID_CHECKBUTTON_FIRST + 4)
-#define GADGET_ID_RANDOM_RESTRICTED    (GADGET_ID_CHECKBUTTON_FIRST + 5)
-#define GADGET_ID_STICK_ELEMENT                (GADGET_ID_CHECKBUTTON_FIRST + 6)
-#define GADGET_ID_EM_SLIPPERY_GEMS     (GADGET_ID_CHECKBUTTON_FIRST + 7)
-#define GADGET_ID_EM_EXPLODES_BY_FIRE  (GADGET_ID_CHECKBUTTON_FIRST + 8)
-#define GADGET_ID_USE_SPRING_BUG       (GADGET_ID_CHECKBUTTON_FIRST + 9)
-#define GADGET_ID_USE_TIME_ORB_BUG     (GADGET_ID_CHECKBUTTON_FIRST + 10)
-#define GADGET_ID_RANDOM_BALL_CONTENT  (GADGET_ID_CHECKBUTTON_FIRST + 11)
-#define GADGET_ID_INITIAL_BALL_STATE   (GADGET_ID_CHECKBUTTON_FIRST + 12)
-#define GADGET_ID_GROW_INTO_DIGGABLE   (GADGET_ID_CHECKBUTTON_FIRST + 13)
-#define GADGET_ID_AUTO_EXIT_SOKOBAN    (GADGET_ID_CHECKBUTTON_FIRST + 14)
-#define GADGET_ID_CONTINUOUS_SNAPPING  (GADGET_ID_CHECKBUTTON_FIRST + 15)
-#define GADGET_ID_BLOCK_SNAP_FIELD     (GADGET_ID_CHECKBUTTON_FIRST + 16)
-#define GADGET_ID_BLOCK_LAST_FIELD     (GADGET_ID_CHECKBUTTON_FIRST + 17)
-#define GADGET_ID_SP_BLOCK_LAST_FIELD  (GADGET_ID_CHECKBUTTON_FIRST + 18)
-#define GADGET_ID_INSTANT_RELOCATION   (GADGET_ID_CHECKBUTTON_FIRST + 19)
-#define GADGET_ID_SHIFTED_RELOCATION   (GADGET_ID_CHECKBUTTON_FIRST + 20)
-#define GADGET_ID_LAZY_RELOCATION      (GADGET_ID_CHECKBUTTON_FIRST + 21)
-#define GADGET_ID_USE_START_ELEMENT    (GADGET_ID_CHECKBUTTON_FIRST + 22)
-#define GADGET_ID_USE_ARTWORK_ELEMENT  (GADGET_ID_CHECKBUTTON_FIRST + 23)
-#define GADGET_ID_USE_EXPLOSION_ELEMENT        (GADGET_ID_CHECKBUTTON_FIRST + 24)
-#define GADGET_ID_INITIAL_GRAVITY      (GADGET_ID_CHECKBUTTON_FIRST + 25)
-#define GADGET_ID_USE_INITIAL_INVENTORY        (GADGET_ID_CHECKBUTTON_FIRST + 26)
-#define GADGET_ID_CAN_PASS_TO_WALKABLE (GADGET_ID_CHECKBUTTON_FIRST + 27)
-#define GADGET_ID_CAN_FALL_INTO_ACID   (GADGET_ID_CHECKBUTTON_FIRST + 28)
-#define GADGET_ID_CAN_MOVE_INTO_ACID   (GADGET_ID_CHECKBUTTON_FIRST + 29)
-#define GADGET_ID_DONT_COLLIDE_WITH    (GADGET_ID_CHECKBUTTON_FIRST + 30)
-#define GADGET_ID_ENVELOPE_AUTOWRAP    (GADGET_ID_CHECKBUTTON_FIRST + 31)
-#define GADGET_ID_ENVELOPE_CENTERED    (GADGET_ID_CHECKBUTTON_FIRST + 32)
-#define GADGET_ID_MM_LASER_RED         (GADGET_ID_CHECKBUTTON_FIRST + 33)
-#define GADGET_ID_MM_LASER_GREEN       (GADGET_ID_CHECKBUTTON_FIRST + 34)
-#define GADGET_ID_MM_LASER_BLUE                (GADGET_ID_CHECKBUTTON_FIRST + 35)
-#define GADGET_ID_DF_LASER_RED         (GADGET_ID_CHECKBUTTON_FIRST + 36)
-#define GADGET_ID_DF_LASER_GREEN       (GADGET_ID_CHECKBUTTON_FIRST + 37)
-#define GADGET_ID_DF_LASER_BLUE                (GADGET_ID_CHECKBUTTON_FIRST + 38)
-#define GADGET_ID_CUSTOM_INDESTRUCTIBLE        (GADGET_ID_CHECKBUTTON_FIRST + 39)
-#define GADGET_ID_CUSTOM_CAN_EXPLODE   (GADGET_ID_CHECKBUTTON_FIRST + 40)
-#define GADGET_ID_CUSTOM_EXPLODE_FIRE  (GADGET_ID_CHECKBUTTON_FIRST + 41)
-#define GADGET_ID_CUSTOM_EXPLODE_SMASH (GADGET_ID_CHECKBUTTON_FIRST + 42)
-#define GADGET_ID_CUSTOM_EXPLODE_IMPACT        (GADGET_ID_CHECKBUTTON_FIRST + 43)
-#define GADGET_ID_CUSTOM_WALK_TO_OBJECT        (GADGET_ID_CHECKBUTTON_FIRST + 44)
-#define GADGET_ID_CUSTOM_DEADLY                (GADGET_ID_CHECKBUTTON_FIRST + 45)
-#define GADGET_ID_CUSTOM_CAN_MOVE      (GADGET_ID_CHECKBUTTON_FIRST + 46)
-#define GADGET_ID_CUSTOM_CAN_FALL      (GADGET_ID_CHECKBUTTON_FIRST + 47)
-#define GADGET_ID_CUSTOM_CAN_SMASH     (GADGET_ID_CHECKBUTTON_FIRST + 48)
-#define GADGET_ID_CUSTOM_SLIPPERY      (GADGET_ID_CHECKBUTTON_FIRST + 49)
-#define GADGET_ID_CUSTOM_ACCESSIBLE    (GADGET_ID_CHECKBUTTON_FIRST + 50)
-#define GADGET_ID_CUSTOM_GRAV_REACHABLE        (GADGET_ID_CHECKBUTTON_FIRST + 51)
-#define GADGET_ID_CUSTOM_USE_LAST_VALUE        (GADGET_ID_CHECKBUTTON_FIRST + 52)
-#define GADGET_ID_CUSTOM_USE_GRAPHIC   (GADGET_ID_CHECKBUTTON_FIRST + 53)
-#define GADGET_ID_CUSTOM_USE_TEMPLATE_1        (GADGET_ID_CHECKBUTTON_FIRST + 54)
-#define GADGET_ID_CUSTOM_USE_TEMPLATE_2        (GADGET_ID_CHECKBUTTON_FIRST + 55)
-#define GADGET_ID_CUSTOM_USE_TEMPLATE_3        (GADGET_ID_CHECKBUTTON_FIRST + 56)
-#define GADGET_ID_CUSTOM_CAN_CHANGE    (GADGET_ID_CHECKBUTTON_FIRST + 57)
-#define GADGET_ID_CHANGE_USE_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 58)
-#define GADGET_ID_CHANGE_USE_EXPLOSION (GADGET_ID_CHECKBUTTON_FIRST + 59)
-#define GADGET_ID_CHANGE_ONLY_COMPLETE (GADGET_ID_CHECKBUTTON_FIRST + 60)
-#define GADGET_ID_CHANGE_USE_RANDOM    (GADGET_ID_CHECKBUTTON_FIRST + 61)
-#define GADGET_ID_CHANGE_HAS_ACTION    (GADGET_ID_CHECKBUTTON_FIRST + 62)
-#define GADGET_ID_CHANGE_DELAY         (GADGET_ID_CHECKBUTTON_FIRST + 63)
-#define GADGET_ID_CHANGE_BY_DIRECT_ACT (GADGET_ID_CHECKBUTTON_FIRST + 64)
-#define GADGET_ID_CHANGE_BY_OTHER_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 65)
-
-/* gadgets for buttons in element list */
-#define GADGET_ID_ELEMENTLIST_FIRST    (GADGET_ID_CHECKBUTTON_FIRST + 66)
+enum
+{
+  GADGET_ID_NONE = -1,
+
+  /* drawing toolbox buttons */
+
+  GADGET_ID_SINGLE_ITEMS,
+  GADGET_ID_CONNECTED_ITEMS,
+  GADGET_ID_LINE,
+  GADGET_ID_ARC,
+  GADGET_ID_RECTANGLE,
+  GADGET_ID_FILLED_BOX,
+  GADGET_ID_WRAP_UP,
+  GADGET_ID_TEXT,
+  GADGET_ID_FLOOD_FILL,
+  GADGET_ID_WRAP_LEFT,
+  GADGET_ID_ZOOM,
+  GADGET_ID_WRAP_RIGHT,
+  GADGET_ID_RANDOM_PLACEMENT,
+  GADGET_ID_GRAB_BRUSH,
+  GADGET_ID_WRAP_DOWN,
+  GADGET_ID_PICK_ELEMENT,
+
+  GADGET_ID_UNDO,
+  GADGET_ID_INFO,
+  GADGET_ID_SAVE,
+  GADGET_ID_CLEAR,
+  GADGET_ID_TEST,
+  GADGET_ID_EXIT,
+
+  GADGET_ID_CUSTOM_COPY_FROM,
+  GADGET_ID_CUSTOM_COPY_TO,
+  GADGET_ID_CUSTOM_EXCHANGE,
+  GADGET_ID_CUSTOM_COPY,
+  GADGET_ID_CUSTOM_PASTE,
+
+  GADGET_ID_PROPERTIES,
+  GADGET_ID_ELEMENT_LEFT,
+  GADGET_ID_ELEMENT_MIDDLE,
+  GADGET_ID_ELEMENT_RIGHT,
+  GADGET_ID_PALETTE,
+
+  /* counter gadget identifiers */
+
+  GADGET_ID_SELECT_LEVEL_DOWN,
+  GADGET_ID_SELECT_LEVEL_TEXT,
+  GADGET_ID_SELECT_LEVEL_UP,
+  GADGET_ID_LEVEL_XSIZE_DOWN,
+  GADGET_ID_LEVEL_XSIZE_TEXT,
+  GADGET_ID_LEVEL_XSIZE_UP,
+  GADGET_ID_LEVEL_YSIZE_DOWN,
+  GADGET_ID_LEVEL_YSIZE_TEXT,
+  GADGET_ID_LEVEL_YSIZE_UP,
+  GADGET_ID_LEVEL_RANDOM_DOWN,
+  GADGET_ID_LEVEL_RANDOM_TEXT,
+  GADGET_ID_LEVEL_RANDOM_UP,
+  GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
+  GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
+  GADGET_ID_LEVEL_GEMSLIMIT_UP,
+  GADGET_ID_LEVEL_TIMELIMIT_DOWN,
+  GADGET_ID_LEVEL_TIMELIMIT_TEXT,
+  GADGET_ID_LEVEL_TIMELIMIT_UP,
+  GADGET_ID_LEVEL_TIMESCORE_DOWN,
+  GADGET_ID_LEVEL_TIMESCORE_TEXT,
+  GADGET_ID_LEVEL_TIMESCORE_UP,
+  GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
+  GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
+  GADGET_ID_LEVEL_RANDOM_SEED_UP,
+  GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
+  GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
+  GADGET_ID_LEVELSET_NUM_LEVELS_UP,
+  GADGET_ID_ELEMENT_VALUE1_DOWN,
+  GADGET_ID_ELEMENT_VALUE1_TEXT,
+  GADGET_ID_ELEMENT_VALUE1_UP,
+  GADGET_ID_ELEMENT_VALUE2_DOWN,
+  GADGET_ID_ELEMENT_VALUE2_TEXT,
+  GADGET_ID_ELEMENT_VALUE2_UP,
+  GADGET_ID_ELEMENT_VALUE3_DOWN,
+  GADGET_ID_ELEMENT_VALUE3_TEXT,
+  GADGET_ID_ELEMENT_VALUE3_UP,
+  GADGET_ID_ELEMENT_VALUE4_DOWN,
+  GADGET_ID_ELEMENT_VALUE4_TEXT,
+  GADGET_ID_ELEMENT_VALUE4_UP,
+  GADGET_ID_YAMYAM_CONTENT_DOWN,
+  GADGET_ID_YAMYAM_CONTENT_TEXT,
+  GADGET_ID_YAMYAM_CONTENT_UP,
+  GADGET_ID_BALL_CONTENT_DOWN,
+  GADGET_ID_BALL_CONTENT_TEXT,
+  GADGET_ID_BALL_CONTENT_UP,
+  GADGET_ID_ANDROID_CONTENT_DOWN,
+  GADGET_ID_ANDROID_CONTENT_TEXT,
+  GADGET_ID_ANDROID_CONTENT_UP,
+  GADGET_ID_ENVELOPE_XSIZE_DOWN,
+  GADGET_ID_ENVELOPE_XSIZE_TEXT,
+  GADGET_ID_ENVELOPE_XSIZE_UP,
+  GADGET_ID_ENVELOPE_YSIZE_DOWN,
+  GADGET_ID_ENVELOPE_YSIZE_TEXT,
+  GADGET_ID_ENVELOPE_YSIZE_UP,
+  GADGET_ID_INVENTORY_SIZE_DOWN,
+  GADGET_ID_INVENTORY_SIZE_TEXT,
+  GADGET_ID_INVENTORY_SIZE_UP,
+  GADGET_ID_CUSTOM_SCORE_DOWN,
+  GADGET_ID_CUSTOM_SCORE_TEXT,
+  GADGET_ID_CUSTOM_SCORE_UP,
+  GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
+  GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
+  GADGET_ID_CUSTOM_GEMCOUNT_UP,
+  GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
+  GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
+  GADGET_ID_CUSTOM_VALUE_FIX_UP,
+  GADGET_ID_CUSTOM_VALUE_RND_DOWN,
+  GADGET_ID_CUSTOM_VALUE_RND_TEXT,
+  GADGET_ID_CUSTOM_VALUE_RND_UP,
+  GADGET_ID_PUSH_DELAY_FIX_DOWN,
+  GADGET_ID_PUSH_DELAY_FIX_TEXT,
+  GADGET_ID_PUSH_DELAY_FIX_UP,
+  GADGET_ID_PUSH_DELAY_RND_DOWN,
+  GADGET_ID_PUSH_DELAY_RND_TEXT,
+  GADGET_ID_PUSH_DELAY_RND_UP,
+  GADGET_ID_DROP_DELAY_FIX_DOWN,
+  GADGET_ID_DROP_DELAY_FIX_TEXT,
+  GADGET_ID_DROP_DELAY_FIX_UP,
+  GADGET_ID_DROP_DELAY_RND_DOWN,
+  GADGET_ID_DROP_DELAY_RND_TEXT,
+  GADGET_ID_DROP_DELAY_RND_UP,
+  GADGET_ID_MOVE_DELAY_FIX_DOWN,
+  GADGET_ID_MOVE_DELAY_FIX_TEXT,
+  GADGET_ID_MOVE_DELAY_FIX_UP,
+  GADGET_ID_MOVE_DELAY_RND_DOWN,
+  GADGET_ID_MOVE_DELAY_RND_TEXT,
+  GADGET_ID_MOVE_DELAY_RND_UP,
+  GADGET_ID_EXPLOSION_DELAY_DOWN,
+  GADGET_ID_EXPLOSION_DELAY_TEXT,
+  GADGET_ID_EXPLOSION_DELAY_UP,
+  GADGET_ID_IGNITION_DELAY_DOWN,
+  GADGET_ID_IGNITION_DELAY_TEXT,
+  GADGET_ID_IGNITION_DELAY_UP,
+  GADGET_ID_CHANGE_DELAY_FIX_DOWN,
+  GADGET_ID_CHANGE_DELAY_FIX_TEXT,
+  GADGET_ID_CHANGE_DELAY_FIX_UP,
+  GADGET_ID_CHANGE_DELAY_RND_DOWN,
+  GADGET_ID_CHANGE_DELAY_RND_TEXT,
+  GADGET_ID_CHANGE_DELAY_RND_UP,
+  GADGET_ID_CHANGE_CONT_RND_DOWN,
+  GADGET_ID_CHANGE_CONT_RND_TEXT,
+  GADGET_ID_CHANGE_CONT_RND_UP,
+  GADGET_ID_GROUP_CONTENT_DOWN,
+  GADGET_ID_GROUP_CONTENT_TEXT,
+  GADGET_ID_GROUP_CONTENT_UP,
+
+  /* drawing area identifiers */
+
+  GADGET_ID_DRAWING_LEVEL,
+  GADGET_ID_YAMYAM_CONTENT_0,
+  GADGET_ID_YAMYAM_CONTENT_1,
+  GADGET_ID_YAMYAM_CONTENT_2,
+  GADGET_ID_YAMYAM_CONTENT_3,
+  GADGET_ID_YAMYAM_CONTENT_4,
+  GADGET_ID_YAMYAM_CONTENT_5,
+  GADGET_ID_YAMYAM_CONTENT_6,
+  GADGET_ID_YAMYAM_CONTENT_7,
+  GADGET_ID_MAGIC_BALL_CONTENT_0,
+  GADGET_ID_MAGIC_BALL_CONTENT_1,
+  GADGET_ID_MAGIC_BALL_CONTENT_2,
+  GADGET_ID_MAGIC_BALL_CONTENT_3,
+  GADGET_ID_MAGIC_BALL_CONTENT_4,
+  GADGET_ID_MAGIC_BALL_CONTENT_5,
+  GADGET_ID_MAGIC_BALL_CONTENT_6,
+  GADGET_ID_MAGIC_BALL_CONTENT_7,
+  GADGET_ID_ANDROID_CONTENT,
+  GADGET_ID_AMOEBA_CONTENT,
+  GADGET_ID_START_ELEMENT,
+  GADGET_ID_ARTWORK_ELEMENT,
+  GADGET_ID_EXPLOSION_ELEMENT,
+  GADGET_ID_INVENTORY_CONTENT,
+  GADGET_ID_CUSTOM_GRAPHIC,
+  GADGET_ID_CUSTOM_CONTENT,
+  GADGET_ID_CUSTOM_MOVE_ENTER,
+  GADGET_ID_CUSTOM_MOVE_LEAVE,
+  GADGET_ID_CUSTOM_CHANGE_TARGET,
+  GADGET_ID_CUSTOM_CHANGE_CONTENT,
+  GADGET_ID_CUSTOM_CHANGE_TRIGGER,
+  GADGET_ID_CUSTOM_CHANGE_ACTION,
+  GADGET_ID_GROUP_CONTENT,
+  GADGET_ID_RANDOM_BACKGROUND,
+
+  /* text input identifiers */
+
+  GADGET_ID_LEVEL_NAME,
+  GADGET_ID_LEVEL_AUTHOR,
+  GADGET_ID_LEVELSET_NAME,
+  GADGET_ID_LEVELSET_AUTHOR,
+  GADGET_ID_ELEMENT_NAME,
+
+  /* text area identifiers */
+
+  GADGET_ID_ENVELOPE_INFO,
+
+  /* selectbox identifiers */
+
+  GADGET_ID_TIME_OR_STEPS,
+  GADGET_ID_GAME_ENGINE_TYPE,
+  GADGET_ID_LEVELSET_SAVE_MODE,
+  GADGET_ID_WIND_DIRECTION,
+  GADGET_ID_PLAYER_SPEED,
+  GADGET_ID_CUSTOM_WALK_TO_ACTION,
+  GADGET_ID_CUSTOM_EXPLOSION_TYPE,
+  GADGET_ID_CUSTOM_DEADLINESS,
+  GADGET_ID_CUSTOM_MOVE_PATTERN,
+  GADGET_ID_CUSTOM_MOVE_DIRECTION,
+  GADGET_ID_CUSTOM_MOVE_STEPSIZE,
+  GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
+  GADGET_ID_CUSTOM_SMASH_TARGETS,
+  GADGET_ID_CUSTOM_SLIPPERY_TYPE,
+  GADGET_ID_CUSTOM_ACCESS_TYPE,
+  GADGET_ID_CUSTOM_ACCESS_LAYER,
+  GADGET_ID_CUSTOM_ACCESS_PROTECTED,
+  GADGET_ID_CUSTOM_ACCESS_DIRECTION,
+  GADGET_ID_CHANGE_TIME_UNITS,
+  GADGET_ID_CHANGE_DIRECT_ACTION,
+  GADGET_ID_CHANGE_OTHER_ACTION,
+  GADGET_ID_CHANGE_SIDE,
+  GADGET_ID_CHANGE_PLAYER,
+  GADGET_ID_CHANGE_PAGE,
+  GADGET_ID_CHANGE_REPLACE_WHEN,
+  GADGET_ID_ACTION_TYPE,
+  GADGET_ID_ACTION_MODE,
+  GADGET_ID_ACTION_ARG,
+  GADGET_ID_SELECT_CHANGE_PAGE,
+  GADGET_ID_GROUP_CHOICE_MODE,
+
+  /* textbutton identifiers */
+
+  GADGET_ID_LEVELINFO_LEVEL,
+  GADGET_ID_LEVELINFO_LEVELSET,
+  GADGET_ID_LEVELINFO_EDITOR,
+  GADGET_ID_PROPERTIES_INFO,
+  GADGET_ID_PROPERTIES_CONFIG,
+  GADGET_ID_PROPERTIES_CONFIG_1,
+  GADGET_ID_PROPERTIES_CONFIG_2,
+  GADGET_ID_PROPERTIES_CHANGE,
+  GADGET_ID_SAVE_AS_TEMPLATE_1,
+  GADGET_ID_SAVE_AS_TEMPLATE_2,
+  GADGET_ID_SAVE_LEVELSET,
+  GADGET_ID_ADD_CHANGE_PAGE,
+  GADGET_ID_DEL_CHANGE_PAGE,
+
+  /* graphicbutton identifiers */
+
+  GADGET_ID_PREV_CHANGE_PAGE,
+  GADGET_ID_NEXT_CHANGE_PAGE,
+  GADGET_ID_COPY_CHANGE_PAGE,
+  GADGET_ID_PASTE_CHANGE_PAGE,
+
+  /* gadgets for scrolling of drawing area */
+
+  GADGET_ID_SCROLL_UP,
+  GADGET_ID_SCROLL_DOWN,
+  GADGET_ID_SCROLL_LEFT,
+  GADGET_ID_SCROLL_RIGHT,
+  GADGET_ID_SCROLL_HORIZONTAL,
+  GADGET_ID_SCROLL_VERTICAL,
+
+  /* gadgets for scrolling element list */
+
+  GADGET_ID_SCROLL_LIST_UP,
+  GADGET_ID_SCROLL_LIST_DOWN,
+  GADGET_ID_SCROLL_LIST_VERTICAL,
+
+  /* checkbuttons/radiobuttons for level/element properties */
+
+  GADGET_ID_AUTO_COUNT_GEMS,
+  GADGET_ID_USE_LEVELSET_ARTWORK,
+  GADGET_ID_COPY_LEVEL_TEMPLATE,
+  GADGET_ID_RANDOM_PERCENTAGE,
+  GADGET_ID_RANDOM_QUANTITY,
+  GADGET_ID_RANDOM_RESTRICTED,
+  GADGET_ID_STICK_ELEMENT,
+  GADGET_ID_EM_SLIPPERY_GEMS,
+  GADGET_ID_EM_EXPLODES_BY_FIRE,
+  GADGET_ID_USE_SPRING_BUG,
+  GADGET_ID_USE_TIME_ORB_BUG,
+  GADGET_ID_USE_LIFE_BUGS,
+  GADGET_ID_RANDOM_BALL_CONTENT,
+  GADGET_ID_INITIAL_BALL_STATE,
+  GADGET_ID_GROW_INTO_DIGGABLE,
+  GADGET_ID_AUTO_EXIT_SOKOBAN,
+  GADGET_ID_SOLVED_BY_ONE_PLAYER,
+  GADGET_ID_CONTINUOUS_SNAPPING,
+  GADGET_ID_BLOCK_SNAP_FIELD,
+  GADGET_ID_BLOCK_LAST_FIELD,
+  GADGET_ID_SP_BLOCK_LAST_FIELD,
+  GADGET_ID_INSTANT_RELOCATION,
+  GADGET_ID_SHIFTED_RELOCATION,
+  GADGET_ID_LAZY_RELOCATION,
+  GADGET_ID_USE_START_ELEMENT,
+  GADGET_ID_USE_ARTWORK_ELEMENT,
+  GADGET_ID_USE_EXPLOSION_ELEMENT,
+  GADGET_ID_INITIAL_GRAVITY,
+  GADGET_ID_USE_INITIAL_INVENTORY,
+  GADGET_ID_CAN_PASS_TO_WALKABLE,
+  GADGET_ID_CAN_FALL_INTO_ACID,
+  GADGET_ID_CAN_MOVE_INTO_ACID,
+  GADGET_ID_DONT_COLLIDE_WITH,
+  GADGET_ID_ENVELOPE_AUTOWRAP,
+  GADGET_ID_ENVELOPE_CENTERED,
+  GADGET_ID_MM_LASER_RED,
+  GADGET_ID_MM_LASER_GREEN,
+  GADGET_ID_MM_LASER_BLUE,
+  GADGET_ID_DF_LASER_RED,
+  GADGET_ID_DF_LASER_GREEN,
+  GADGET_ID_DF_LASER_BLUE,
+  GADGET_ID_CUSTOM_INDESTRUCTIBLE,
+  GADGET_ID_CUSTOM_CAN_EXPLODE,
+  GADGET_ID_CUSTOM_EXPLODE_FIRE,
+  GADGET_ID_CUSTOM_EXPLODE_SMASH,
+  GADGET_ID_CUSTOM_EXPLODE_IMPACT,
+  GADGET_ID_CUSTOM_WALK_TO_OBJECT,
+  GADGET_ID_CUSTOM_DEADLY,
+  GADGET_ID_CUSTOM_CAN_MOVE,
+  GADGET_ID_CUSTOM_CAN_FALL,
+  GADGET_ID_CUSTOM_CAN_SMASH,
+  GADGET_ID_CUSTOM_SLIPPERY,
+  GADGET_ID_CUSTOM_ACCESSIBLE,
+  GADGET_ID_CUSTOM_GRAV_REACHABLE,
+  GADGET_ID_CUSTOM_USE_LAST_VALUE,
+  GADGET_ID_CUSTOM_USE_GRAPHIC,
+  GADGET_ID_CUSTOM_USE_TEMPLATE_1,
+  GADGET_ID_CUSTOM_USE_TEMPLATE_2,
+  GADGET_ID_CUSTOM_USE_TEMPLATE_3,
+  GADGET_ID_CUSTOM_CAN_CHANGE,
+  GADGET_ID_CHANGE_USE_CONTENT,
+  GADGET_ID_CHANGE_USE_EXPLOSION,
+  GADGET_ID_CHANGE_ONLY_COMPLETE,
+  GADGET_ID_CHANGE_USE_RANDOM,
+  GADGET_ID_CHANGE_HAS_ACTION,
+  GADGET_ID_CHANGE_DELAY,
+  GADGET_ID_CHANGE_BY_DIRECT_ACT,
+  GADGET_ID_CHANGE_BY_OTHER_ACT,
+
+  NUM_STATIC_GADGET_IDS
+};
+
+/* gadgets for buttons in element list (dynamic) */
+#define GADGET_ID_ELEMENTLIST_FIRST    (NUM_STATIC_GADGET_IDS)
 #define GADGET_ID_ELEMENTLIST_LAST     (GADGET_ID_ELEMENTLIST_FIRST +  \
                                        ED_NUM_ELEMENTLIST_BUTTONS - 1)
 
 #define NUM_EDITOR_GADGETS             (GADGET_ID_ELEMENTLIST_LAST + 1)
 
 /* radio button numbers */
-#define RADIO_NR_NONE                  0
-#define RADIO_NR_DRAWING_TOOLBOX       1
-#define RADIO_NR_RANDOM_ELEMENTS       2
+enum
+{
+  RADIO_NR_NONE,
+  RADIO_NR_DRAWING_TOOLBOX,
+  RADIO_NR_RANDOM_ELEMENTS
+};
 
 /* values for counter gadgets */
-#define ED_COUNTER_ID_SELECT_LEVEL     0
-#define ED_COUNTER_ID_LEVEL_XSIZE      1
-#define ED_COUNTER_ID_LEVEL_YSIZE      2
-#define ED_COUNTER_ID_LEVEL_GEMSLIMIT  3
-#define ED_COUNTER_ID_LEVEL_TIMELIMIT  4
-#define ED_COUNTER_ID_LEVEL_TIMESCORE  5
-#define ED_COUNTER_ID_LEVEL_RANDOM_SEED        6
-#define ED_COUNTER_ID_LEVELSET_NUM_LEVELS 7
-#define ED_COUNTER_ID_LEVEL_RANDOM     8
-#define ED_COUNTER_ID_ELEMENT_VALUE1   9
-#define ED_COUNTER_ID_ELEMENT_VALUE2   10
-#define ED_COUNTER_ID_ELEMENT_VALUE3   11
-#define ED_COUNTER_ID_ELEMENT_VALUE4   12
-#define ED_COUNTER_ID_YAMYAM_CONTENT   13
-#define ED_COUNTER_ID_BALL_CONTENT     14
-#define ED_COUNTER_ID_ANDROID_CONTENT  15
-#define ED_COUNTER_ID_ENVELOPE_XSIZE   16
-#define ED_COUNTER_ID_ENVELOPE_YSIZE   17
-#define ED_COUNTER_ID_INVENTORY_SIZE   18
-#define ED_COUNTER_ID_CUSTOM_SCORE     19
-#define ED_COUNTER_ID_CUSTOM_GEMCOUNT  20
-#define ED_COUNTER_ID_CUSTOM_VALUE_FIX 21
-#define ED_COUNTER_ID_CUSTOM_VALUE_RND 22
-#define ED_COUNTER_ID_PUSH_DELAY_FIX   23
-#define ED_COUNTER_ID_PUSH_DELAY_RND   24
-#define ED_COUNTER_ID_DROP_DELAY_FIX   25
-#define ED_COUNTER_ID_DROP_DELAY_RND   26
-#define ED_COUNTER_ID_MOVE_DELAY_FIX   27
-#define ED_COUNTER_ID_MOVE_DELAY_RND   28
-#define ED_COUNTER_ID_EXPLOSION_DELAY  29
-#define ED_COUNTER_ID_IGNITION_DELAY   30
-#define ED_COUNTER_ID_GROUP_CONTENT    31
-#define ED_COUNTER_ID_CHANGE_DELAY_FIX 32
-#define ED_COUNTER_ID_CHANGE_DELAY_RND 33
-#define ED_COUNTER_ID_CHANGE_CONT_RND  34
-
-#define ED_NUM_COUNTERBUTTONS          35
+enum
+{
+  ED_COUNTER_ID_SELECT_LEVEL,
+  ED_COUNTER_ID_LEVEL_XSIZE,
+  ED_COUNTER_ID_LEVEL_YSIZE,
+  ED_COUNTER_ID_LEVEL_GEMSLIMIT,
+  ED_COUNTER_ID_LEVEL_TIMELIMIT,
+  ED_COUNTER_ID_LEVEL_TIMESCORE,
+  ED_COUNTER_ID_LEVEL_RANDOM_SEED,
+  ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
+  ED_COUNTER_ID_LEVEL_RANDOM,
+  ED_COUNTER_ID_ELEMENT_VALUE1,
+  ED_COUNTER_ID_ELEMENT_VALUE2,
+  ED_COUNTER_ID_ELEMENT_VALUE3,
+  ED_COUNTER_ID_ELEMENT_VALUE4,
+  ED_COUNTER_ID_YAMYAM_CONTENT,
+  ED_COUNTER_ID_BALL_CONTENT,
+  ED_COUNTER_ID_ANDROID_CONTENT,
+  ED_COUNTER_ID_ENVELOPE_XSIZE,
+  ED_COUNTER_ID_ENVELOPE_YSIZE,
+  ED_COUNTER_ID_INVENTORY_SIZE,
+  ED_COUNTER_ID_CUSTOM_SCORE,
+  ED_COUNTER_ID_CUSTOM_GEMCOUNT,
+  ED_COUNTER_ID_CUSTOM_VALUE_FIX,
+  ED_COUNTER_ID_CUSTOM_VALUE_RND,
+  ED_COUNTER_ID_PUSH_DELAY_FIX,
+  ED_COUNTER_ID_PUSH_DELAY_RND,
+  ED_COUNTER_ID_DROP_DELAY_FIX,
+  ED_COUNTER_ID_DROP_DELAY_RND,
+  ED_COUNTER_ID_MOVE_DELAY_FIX,
+  ED_COUNTER_ID_MOVE_DELAY_RND,
+  ED_COUNTER_ID_EXPLOSION_DELAY,
+  ED_COUNTER_ID_IGNITION_DELAY,
+  ED_COUNTER_ID_GROUP_CONTENT,
+  ED_COUNTER_ID_CHANGE_DELAY_FIX,
+  ED_COUNTER_ID_CHANGE_DELAY_RND,
+  ED_COUNTER_ID_CHANGE_CONT_RND,
+
+  ED_NUM_COUNTERBUTTONS
+};
 
 #define ED_COUNTER_ID_LEVEL_FIRST      ED_COUNTER_ID_LEVEL_XSIZE
 #define ED_COUNTER_ID_LEVEL_LAST       ED_COUNTER_ID_LEVEL_RANDOM_SEED
 #define ED_COUNTER_ID_CHANGE_LAST      ED_COUNTER_ID_CHANGE_CONT_RND
 
 /* values for scrollbutton gadgets */
-#define ED_SCROLLBUTTON_ID_AREA_UP     0
-#define ED_SCROLLBUTTON_ID_AREA_DOWN   1
-#define ED_SCROLLBUTTON_ID_AREA_LEFT   2
-#define ED_SCROLLBUTTON_ID_AREA_RIGHT  3
-#define ED_SCROLLBUTTON_ID_LIST_UP     4
-#define ED_SCROLLBUTTON_ID_LIST_DOWN   5
+enum
+{
+  ED_SCROLLBUTTON_ID_AREA_UP,
+  ED_SCROLLBUTTON_ID_AREA_DOWN,
+  ED_SCROLLBUTTON_ID_AREA_LEFT,
+  ED_SCROLLBUTTON_ID_AREA_RIGHT,
+  ED_SCROLLBUTTON_ID_LIST_UP,
+  ED_SCROLLBUTTON_ID_LIST_DOWN,
 
-#define ED_NUM_SCROLLBUTTONS           6
+  ED_NUM_SCROLLBUTTONS
+};
 
 #define ED_SCROLLBUTTON_ID_AREA_FIRST  ED_SCROLLBUTTON_ID_AREA_UP
 #define ED_SCROLLBUTTON_ID_AREA_LAST   ED_SCROLLBUTTON_ID_AREA_RIGHT
 
 /* values for scrollbar gadgets */
-#define ED_SCROLLBAR_ID_AREA_HORIZONTAL        0
-#define ED_SCROLLBAR_ID_AREA_VERTICAL  1
-#define ED_SCROLLBAR_ID_LIST_VERTICAL  2
+enum
+{
+  ED_SCROLLBAR_ID_AREA_HORIZONTAL,
+  ED_SCROLLBAR_ID_AREA_VERTICAL,
+  ED_SCROLLBAR_ID_LIST_VERTICAL,
 
-#define ED_NUM_SCROLLBARS              3
+  ED_NUM_SCROLLBARS
+};
 
 #define ED_SCROLLBAR_ID_AREA_FIRST     ED_SCROLLBAR_ID_AREA_HORIZONTAL
 #define ED_SCROLLBAR_ID_AREA_LAST      ED_SCROLLBAR_ID_AREA_VERTICAL
 
 /* values for text input gadgets */
-#define ED_TEXTINPUT_ID_LEVEL_NAME     0
-#define ED_TEXTINPUT_ID_LEVEL_AUTHOR   1
-#define ED_TEXTINPUT_ID_LEVELSET_NAME  2
-#define ED_TEXTINPUT_ID_LEVELSET_AUTHOR        3
-#define ED_TEXTINPUT_ID_ELEMENT_NAME   4
+enum
+{
+  ED_TEXTINPUT_ID_LEVEL_NAME,
+  ED_TEXTINPUT_ID_LEVEL_AUTHOR,
+  ED_TEXTINPUT_ID_LEVELSET_NAME,
+  ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
+  ED_TEXTINPUT_ID_ELEMENT_NAME,
 
-#define ED_NUM_TEXTINPUT               5
+  ED_NUM_TEXTINPUT
+};
 
 #define ED_TEXTINPUT_ID_LEVEL_FIRST    ED_TEXTINPUT_ID_LEVEL_NAME
 #define ED_TEXTINPUT_ID_LEVEL_LAST     ED_TEXTINPUT_ID_LEVEL_AUTHOR
 #define ED_TEXTINPUT_ID_LEVELSET_LAST  ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 
 /* values for text area gadgets */
-#define ED_TEXTAREA_ID_ENVELOPE_INFO   0
+enum
+{
+  ED_TEXTAREA_ID_ENVELOPE_INFO,
 
-#define ED_NUM_TEXTAREAS                       1
+  ED_NUM_TEXTAREAS
+};
 
 #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_TIME_OR_STEPS          0
-#define ED_SELECTBOX_ID_GAME_ENGINE_TYPE       1
-#define ED_SELECTBOX_ID_LEVELSET_SAVE_MODE     2
-#define ED_SELECTBOX_ID_WIND_DIRECTION         3
-#define ED_SELECTBOX_ID_PLAYER_SPEED           4
-#define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE     5
-#define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER    6
-#define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED        7
-#define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION        8
-#define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION  9
-#define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN    10
-#define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION  11
-#define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE   12
-#define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE 13
-#define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS   14
-#define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE   15
-#define ED_SELECTBOX_ID_CUSTOM_DEADLINESS      16
-#define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE  17
-#define ED_SELECTBOX_ID_CHANGE_TIME_UNITS      18
-#define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION   19
-#define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION    20
-#define ED_SELECTBOX_ID_CHANGE_SIDE            21
-#define ED_SELECTBOX_ID_CHANGE_PLAYER          22
-#define ED_SELECTBOX_ID_CHANGE_PAGE            23
-#define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN    24
-#define ED_SELECTBOX_ID_ACTION_TYPE            25
-#define ED_SELECTBOX_ID_ACTION_MODE            26
-#define ED_SELECTBOX_ID_ACTION_ARG             27
-#define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE     28
-#define ED_SELECTBOX_ID_GROUP_CHOICE_MODE      29
-
-#define ED_NUM_SELECTBOX                       30
+enum
+{
+  ED_SELECTBOX_ID_TIME_OR_STEPS,
+  ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
+  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
+  ED_SELECTBOX_ID_WIND_DIRECTION,
+  ED_SELECTBOX_ID_PLAYER_SPEED,
+  ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
+  ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
+  ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
+  ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
+  ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
+  ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
+  ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
+  ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
+  ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
+  ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
+  ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
+  ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
+  ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
+  ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
+  ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
+  ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
+  ED_SELECTBOX_ID_CHANGE_SIDE,
+  ED_SELECTBOX_ID_CHANGE_PLAYER,
+  ED_SELECTBOX_ID_CHANGE_PAGE,
+  ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
+  ED_SELECTBOX_ID_ACTION_TYPE,
+  ED_SELECTBOX_ID_ACTION_MODE,
+  ED_SELECTBOX_ID_ACTION_ARG,
+  ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
+  ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
+
+  ED_NUM_SELECTBOX
+};
 
 #define ED_SELECTBOX_ID_LEVEL_FIRST    ED_SELECTBOX_ID_TIME_OR_STEPS
 #define ED_SELECTBOX_ID_LEVEL_LAST     ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 #define ED_SELECTBOX_ID_CHANGE_LAST    ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 
 /* values for textbutton gadgets */
-#define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL       0
-#define ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET    1
-#define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR      2
-#define ED_TEXTBUTTON_ID_PROPERTIES_INFO       3
-#define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG     4
-#define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1   5
-#define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2   6
-#define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE     7
-#define ED_TEXTBUTTON_ID_SAVE_LEVELSET         8
-#define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2    9
-#define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1    10
-#define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE       11
-#define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE       12
-
-#define ED_NUM_TEXTBUTTONS                     13
+enum
+{
+  ED_TEXTBUTTON_ID_LEVELINFO_LEVEL,
+  ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET,
+  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR,
+  ED_TEXTBUTTON_ID_PROPERTIES_INFO,
+  ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
+  ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
+  ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
+  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
+  ED_TEXTBUTTON_ID_SAVE_LEVELSET,
+  ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
+  ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
+  ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
+  ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
+
+  ED_NUM_TEXTBUTTONS
+};
 
 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 #define ED_TEXTBUTTON_ID_CHANGE_LAST   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 
 /* values for graphicbutton gadgets */
-#define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE   0
-#define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE   1
-#define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE   2
-#define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE  3
+enum
+{
+  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
+  ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
+  ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
+  ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 
-#define ED_NUM_GRAPHICBUTTONS                  4
+  ED_NUM_GRAPHICBUTTONS
+};
 
 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 
 /* values for checkbutton gadgets */
-#define ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS      0
-#define ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK 1
-#define ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  2
-#define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED    3
-#define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3        4
-#define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2        5
-#define ED_CHECKBUTTON_ID_STICK_ELEMENT                6
-#define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS     7
-#define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE  8
-#define ED_CHECKBUTTON_ID_USE_SPRING_BUG       9
-#define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG     10
-#define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT  11
-#define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE   12
-#define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE   13
-#define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN    14
-#define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING  15
-#define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD     16
-#define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD     17
-#define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD  18
-#define ED_CHECKBUTTON_ID_INSTANT_RELOCATION   19
-#define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION   20
-#define ED_CHECKBUTTON_ID_LAZY_RELOCATION      21
-#define ED_CHECKBUTTON_ID_USE_START_ELEMENT    22
-#define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT  23
-#define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT        24
-#define ED_CHECKBUTTON_ID_INITIAL_GRAVITY      25
-#define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY        26
-#define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE 27
-#define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID   28
-#define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID   29
-#define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH    30
-#define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP    31
-#define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED    32
-#define ED_CHECKBUTTON_ID_MM_LASER_RED         33
-#define ED_CHECKBUTTON_ID_MM_LASER_GREEN       34
-#define ED_CHECKBUTTON_ID_MM_LASER_BLUE                35
-#define ED_CHECKBUTTON_ID_DF_LASER_RED         36
-#define ED_CHECKBUTTON_ID_DF_LASER_GREEN       37
-#define ED_CHECKBUTTON_ID_DF_LASER_BLUE                38
-#define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC   39
-#define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1        40
-#define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE    41
-#define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE        42
-#define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE        43
-#define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT        44
-#define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE        45
-#define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE      46
-#define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL      47
-#define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH     48
-#define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY      49
-#define ED_CHECKBUTTON_ID_CUSTOM_DEADLY                50
-#define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE   51
-#define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE  52
-#define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH 53
-#define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT        54
-#define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE    55
-#define ED_CHECKBUTTON_ID_CHANGE_DELAY         56
-#define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT 57
-#define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT  58
-#define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION 59
-#define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT   60
-#define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE 61
-#define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM    62
-#define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION    63
-
-#define ED_NUM_CHECKBUTTONS                    64
+enum
+{
+  ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
+  ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
+  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
+  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
+  ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
+  ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
+  ED_CHECKBUTTON_ID_STICK_ELEMENT,
+  ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
+  ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
+  ED_CHECKBUTTON_ID_USE_SPRING_BUG,
+  ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
+  ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
+  ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
+  ED_CHECKBUTTON_ID_INITIAL_BALL_STATE,
+  ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
+  ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
+  ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
+  ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
+  ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
+  ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
+  ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
+  ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
+  ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
+  ED_CHECKBUTTON_ID_LAZY_RELOCATION,
+  ED_CHECKBUTTON_ID_USE_START_ELEMENT,
+  ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
+  ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
+  ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
+  ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
+  ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
+  ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
+  ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
+  ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
+  ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
+  ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
+  ED_CHECKBUTTON_ID_MM_LASER_RED,
+  ED_CHECKBUTTON_ID_MM_LASER_GREEN,
+  ED_CHECKBUTTON_ID_MM_LASER_BLUE,
+  ED_CHECKBUTTON_ID_DF_LASER_RED,
+  ED_CHECKBUTTON_ID_DF_LASER_GREEN,
+  ED_CHECKBUTTON_ID_DF_LASER_BLUE,
+  ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
+  ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
+  ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
+  ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
+  ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
+  ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
+  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
+  ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
+  ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
+  ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
+  ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
+  ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
+  ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
+  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
+  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
+  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
+  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
+  ED_CHECKBUTTON_ID_CHANGE_DELAY,
+  ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
+  ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
+  ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
+  ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
+  ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
+  ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
+  ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
+
+  ED_NUM_CHECKBUTTONS
+};
 
 #define ED_CHECKBUTTON_ID_LEVEL_FIRST  ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 #define ED_CHECKBUTTON_ID_LEVEL_LAST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 #define ED_CHECKBUTTON_ID_CHANGE_LAST  ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 
 /* values for radiobutton gadgets */
-#define ED_RADIOBUTTON_ID_PERCENTAGE   0
-#define ED_RADIOBUTTON_ID_QUANTITY     1
+enum
+{
+  ED_RADIOBUTTON_ID_PERCENTAGE,
+  ED_RADIOBUTTON_ID_QUANTITY,
 
-#define ED_NUM_RADIOBUTTONS            2
+  ED_NUM_RADIOBUTTONS
+};
 
 #define ED_RADIOBUTTON_ID_EDITOR_FIRST ED_RADIOBUTTON_ID_PERCENTAGE
 #define ED_RADIOBUTTON_ID_EDITOR_LAST  ED_RADIOBUTTON_ID_QUANTITY
 
 /* values for drawing area gadgets */
-#define ED_DRAWING_ID_DRAWING_LEVEL            0
-#define ED_DRAWING_ID_YAMYAM_CONTENT_0         1
-#define ED_DRAWING_ID_YAMYAM_CONTENT_1         2
-#define ED_DRAWING_ID_YAMYAM_CONTENT_2         3
-#define ED_DRAWING_ID_YAMYAM_CONTENT_3         4
-#define ED_DRAWING_ID_YAMYAM_CONTENT_4         5
-#define ED_DRAWING_ID_YAMYAM_CONTENT_5         6
-#define ED_DRAWING_ID_YAMYAM_CONTENT_6         7
-#define ED_DRAWING_ID_YAMYAM_CONTENT_7         8
-#define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0     9
-#define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1     10
-#define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2     11
-#define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3     12
-#define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4     13
-#define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5     14
-#define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6     15
-#define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7     16
-#define ED_DRAWING_ID_ANDROID_CONTENT          17
-#define ED_DRAWING_ID_AMOEBA_CONTENT           18
-#define ED_DRAWING_ID_START_ELEMENT            19
-#define ED_DRAWING_ID_ARTWORK_ELEMENT          20
-#define ED_DRAWING_ID_EXPLOSION_ELEMENT                21
-#define ED_DRAWING_ID_INVENTORY_CONTENT                22
-#define ED_DRAWING_ID_CUSTOM_GRAPHIC           23
-#define ED_DRAWING_ID_CUSTOM_CONTENT           24
-#define ED_DRAWING_ID_CUSTOM_MOVE_ENTER                25
-#define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE                26
-#define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET     27
-#define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT    28
-#define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER    29
-#define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION     30
-#define ED_DRAWING_ID_GROUP_CONTENT            31
-#define ED_DRAWING_ID_RANDOM_BACKGROUND                32
-
-#define ED_NUM_DRAWING_AREAS                   33
+enum
+{
+  ED_DRAWING_ID_DRAWING_LEVEL,
+  ED_DRAWING_ID_YAMYAM_CONTENT_0,
+  ED_DRAWING_ID_YAMYAM_CONTENT_1,
+  ED_DRAWING_ID_YAMYAM_CONTENT_2,
+  ED_DRAWING_ID_YAMYAM_CONTENT_3,
+  ED_DRAWING_ID_YAMYAM_CONTENT_4,
+  ED_DRAWING_ID_YAMYAM_CONTENT_5,
+  ED_DRAWING_ID_YAMYAM_CONTENT_6,
+  ED_DRAWING_ID_YAMYAM_CONTENT_7,
+  ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
+  ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
+  ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
+  ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
+  ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
+  ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
+  ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
+  ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
+  ED_DRAWING_ID_ANDROID_CONTENT,
+  ED_DRAWING_ID_AMOEBA_CONTENT,
+  ED_DRAWING_ID_START_ELEMENT,
+  ED_DRAWING_ID_ARTWORK_ELEMENT,
+  ED_DRAWING_ID_EXPLOSION_ELEMENT,
+  ED_DRAWING_ID_INVENTORY_CONTENT,
+  ED_DRAWING_ID_CUSTOM_GRAPHIC,
+  ED_DRAWING_ID_CUSTOM_CONTENT,
+  ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
+  ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
+  ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
+  ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
+  ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
+  ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
+  ED_DRAWING_ID_GROUP_CONTENT,
+  ED_DRAWING_ID_RANDOM_BACKGROUND,
+
+  ED_NUM_DRAWING_AREAS
+};
 
 #define ED_DRAWING_ID_EDITOR_FIRST     ED_DRAWING_ID_RANDOM_BACKGROUND
 #define ED_DRAWING_ID_EDITOR_LAST      ED_DRAWING_ID_RANDOM_BACKGROUND
@@ -3011,6 +3046,13 @@ static struct
     NULL, NULL,
     "use time orb bug",                        "use odd time orb behaviour"
   },
+  {
+    ED_ELEMENT_SETTINGS_XPOS(0),       ED_ELEMENT_SETTINGS_YPOS(5),
+    GADGET_ID_USE_LIFE_BUGS,           GADGET_ID_NONE,
+    &level.use_life_bugs,
+    NULL, NULL,
+    "use buggy element behaviour",     "use odd (historic) element behaviour"
+  },
   {
     ED_ELEMENT_SETTINGS_XPOS(0),       ED_ELEMENT_SETTINGS_YPOS(2),
     GADGET_ID_RANDOM_BALL_CONTENT,     GADGET_ID_NONE,
@@ -3039,6 +3081,13 @@ static struct
     NULL, NULL,
     "exit level if all fields solved", "automatically finish Sokoban levels"
   },
+  {
+    ED_ELEMENT_SETTINGS_XPOS(0),       ED_ELEMENT_SETTINGS_YPOS(14),
+    GADGET_ID_SOLVED_BY_ONE_PLAYER,    GADGET_ID_NONE,
+    &level.solved_by_one_player,
+    NULL, NULL,
+    "only one player must enter exit", "level solved by first player in exit"
+  },
   {
     ED_ELEMENT_SETTINGS_XPOS(0),       ED_ELEMENT_SETTINGS_YPOS(9),
     GADGET_ID_CONTINUOUS_SNAPPING,     GADGET_ID_NONE,
@@ -3744,18 +3793,18 @@ static void ModifyEditorCounterLimits(int, int, int);
 static void ModifyEditorSelectboxValue(int, int);
 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
 static void ModifyEditorDrawingArea(int, int, int);
-static void ModifyEditorElementList();
-static void AdjustElementListScrollbar();
-static void RedrawDrawingElements();
+static void ModifyEditorElementList(void);
+static void AdjustElementListScrollbar(void);
+static void RedrawDrawingElements(void);
 static void DrawDrawingWindowExt(boolean);
-static void DrawDrawingWindow();
-static void DrawLevelInfoWindow();
-static void DrawPropertiesWindow();
-static void DrawPaletteWindow();
-static void UpdateCustomElementGraphicGadgets();
+static void DrawDrawingWindow(void);
+static void DrawLevelInfoWindow(void);
+static void DrawPropertiesWindow(void);
+static void DrawPaletteWindow(void);
+static void UpdateCustomElementGraphicGadgets(void);
 static boolean checkPropertiesConfig(int);
-static void SetAutomaticNumberOfGemsNeeded();
-static void ClearEditorGadgetInfoText();
+static void SetAutomaticNumberOfGemsNeeded(void);
+static void ClearEditorGadgetInfoText(void);
 static void CopyLevelToUndoBuffer(int);
 static void HandleDrawingAreas(struct GadgetInfo *);
 static void HandleCounterButtons(struct GadgetInfo *);
@@ -3769,11 +3818,11 @@ static void HandleCheckbuttons(struct GadgetInfo *);
 static void HandleControlButtons(struct GadgetInfo *);
 static void HandleDrawingAreaInfo(struct GadgetInfo *);
 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
-static boolean AskToCopyAndModifyLevelTemplate();
-static boolean getDrawModeHiRes();
-static int getTabulatorBarWidth();
-static int getTabulatorBarHeight();
-static Pixel getTabulatorBarColor();
+static boolean AskToCopyAndModifyLevelTemplate(void);
+static boolean getDrawModeHiRes(void);
+static int getTabulatorBarWidth(void);
+static int getTabulatorBarHeight(void);
+static Pixel getTabulatorBarColor(void);
 
 static int num_editor_gadgets = 0;     /* dynamically determined */
 
@@ -5376,7 +5425,7 @@ editor_elements_info[] =
   -----------------------------------------------------------------------------
 */
 
-static int getMaxInfoTextLength()
+static int getMaxInfoTextLength(void)
 {
   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
 }
@@ -5448,7 +5497,7 @@ static char *getElementDescriptionFilenameExt(char *basename)
   return NULL;
 }
 
-char *getElementDescriptionFilename(int element)
+static char *getElementDescriptionFilename(int element)
 {
   char basename[MAX_FILENAME_LEN];
   char *filename;
@@ -5468,7 +5517,7 @@ char *getElementDescriptionFilename(int element)
   return NULL;
 }
 
-static boolean suppressBorderElement()
+static boolean suppressBorderElement(void)
 {
   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
          lev_fieldx <= MAX_ED_FIELDX &&
@@ -5522,7 +5571,7 @@ static void InitDynamicEditorElementList(int **elements, int *num_elements)
     (*elements)[(*num_elements)++] = EL_EMPTY;
 }
 
-static void ReinitializeElementList_EnableSections()
+static void ReinitializeElementList_EnableSections(void)
 {
   /* default: enable all element sections */
 
@@ -5631,7 +5680,7 @@ static void ReinitializeElementList_EnableSections()
   }
 }
 
-static void ReinitializeElementList()
+static void ReinitializeElementList(void)
 {
   static boolean initialization_needed = TRUE;
   int pos = 0;
@@ -5790,7 +5839,7 @@ static void ReinitializeElementList()
   AdjustElementListScrollbar();
 }
 
-void PrintEditorElementList()
+void PrintEditorElementList(void)
 {
   boolean *stop = &setup_editor_el_user_defined;
   int i, j;
@@ -5834,7 +5883,7 @@ void PrintEditorElementList()
   }
 }
 
-static void ReinitializeElementListButtons()
+static void ReinitializeElementListButtons(void)
 {
   static boolean last_setup_value_headlines = FALSE;
   static boolean initialization_needed = TRUE;
@@ -5935,7 +5984,7 @@ static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
 }
 
-static void DrawEditorLevelBorderLinesIfNeeded()
+static void DrawEditorLevelBorderLinesIfNeeded(void)
 {
   int xsize = lev_fieldx * ed_tilesize;
   int ysize = lev_fieldy * ed_tilesize;
@@ -6026,13 +6075,13 @@ static void ScrollEditorLevel(int from_x, int from_y, int scroll)
   BackToFront();
 }
 
-void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
-                           int *x, int *y)
+static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
+                                  int *x, int *y)
 {
   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
 }
 
-static void CreateControlButtons()
+static void CreateControlButtons(void)
 {
   struct GadgetInfo *gi;
   int i;
@@ -6274,7 +6323,7 @@ static void CreateControlButtons()
   }
 }
 
-static void CreateCounterButtons()
+static void CreateCounterButtons(void)
 {
   int max_infotext_len = getMaxInfoTextLength();
   int i;
@@ -6436,7 +6485,7 @@ static void CreateCounterButtons()
   }
 }
 
-static void CreateDrawingAreas()
+static void CreateDrawingAreas(void)
 {
   int i;
 
@@ -6490,7 +6539,7 @@ static void CreateDrawingAreas()
   }
 }
 
-static void CreateTextInputGadgets()
+static void CreateTextInputGadgets(void)
 {
   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
   int max_infotext_len = getMaxInfoTextLength();
@@ -6561,7 +6610,7 @@ static void CreateTextInputGadgets()
   }
 }
 
-static void CreateTextAreaGadgets()
+static void CreateTextAreaGadgets(void)
 {
   int max_infotext_len = getMaxInfoTextLength();
   int i;
@@ -6610,7 +6659,7 @@ static void CreateTextAreaGadgets()
   }
 }
 
-static void CreateSelectboxGadgets()
+static void CreateSelectboxGadgets(void)
 {
   int max_infotext_len = getMaxInfoTextLength();
   int i, j;
@@ -6691,7 +6740,7 @@ static void CreateSelectboxGadgets()
   }
 }
 
-static void CreateTextbuttonGadgets()
+static void CreateTextbuttonGadgets(void)
 {
   int max_infotext_len = getMaxInfoTextLength();
   int i;
@@ -6775,7 +6824,7 @@ static void CreateTextbuttonGadgets()
   }
 }
 
-static void CreateGraphicbuttonGadgets()
+static void CreateGraphicbuttonGadgets(void)
 {
   struct GadgetInfo *gi;
   unsigned int event_mask;
@@ -6831,7 +6880,7 @@ static void CreateGraphicbuttonGadgets()
   }
 }
 
-static void CreateScrollbarGadgets()
+static void CreateScrollbarGadgets(void)
 {
   int i;
 
@@ -6944,7 +6993,7 @@ static void CreateScrollbarGadgets()
   }
 }
 
-static void CreateCheckbuttonGadgets()
+static void CreateCheckbuttonGadgets(void)
 {
   struct GadgetInfo *gi;
   unsigned int event_mask;
@@ -7006,7 +7055,7 @@ static void CreateCheckbuttonGadgets()
   }
 }
 
-static void CreateRadiobuttonGadgets()
+static void CreateRadiobuttonGadgets(void)
 {
   int graphic = IMG_EDITOR_RADIOBUTTON;
   struct GraphicInfo *gd = &graphic_info[graphic];
@@ -7071,7 +7120,7 @@ static void CreateRadiobuttonGadgets()
   }
 }
 
-void CreateLevelEditorGadgets()
+void CreateLevelEditorGadgets(void)
 {
   /* force EDITOR font inside level editor */
   SetFontStatus(GAME_MODE_EDITOR);
@@ -7113,7 +7162,7 @@ void CreateLevelEditorGadgets()
   ResetFontStatus();
 }
 
-void FreeLevelEditorGadgets()
+void FreeLevelEditorGadgets(void)
 {
   int i;
 
@@ -7190,7 +7239,7 @@ static void MapCounterButtons(int id)
   MapGadget(gi_up);
 }
 
-static void MapControlButtons()
+static void MapControlButtons(void)
 {
   int counter_id;
   int i;
@@ -7433,7 +7482,7 @@ static void MapCheckbuttonGadget(int id)
   MapGadget(gi);
 }
 
-static void MapMainDrawingArea()
+static void MapMainDrawingArea(void)
 {
   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
@@ -7490,12 +7539,12 @@ static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
   }
 }
 
-static void MapLevelEditorToolboxCustomGadgets()
+static void MapLevelEditorToolboxCustomGadgets(void)
 {
   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
 }
 
-static void UnmapLevelEditorToolboxCustomGadgets()
+static void UnmapLevelEditorToolboxCustomGadgets(void)
 {
   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
 }
@@ -7531,12 +7580,12 @@ static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
   }
 }
 
-static void MapLevelEditorToolboxDrawingGadgets()
+static void MapLevelEditorToolboxDrawingGadgets(void)
 {
   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
 }
 
-static void UnmapLevelEditorToolboxDrawingGadgets()
+static void UnmapLevelEditorToolboxDrawingGadgets(void)
 {
   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
 }
@@ -7546,7 +7595,7 @@ static void UnmapDrawingArea(int id)
   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
 }
 
-static void UnmapLevelEditorFieldGadgets()
+static void UnmapLevelEditorFieldGadgets(void)
 {
   int i;
 
@@ -7556,7 +7605,7 @@ static void UnmapLevelEditorFieldGadgets()
       UnmapGadget(level_editor_gadget[i]);
 }
 
-void UnmapLevelEditorGadgets()
+void UnmapLevelEditorGadgets(void)
 {
   int i;
 
@@ -7564,7 +7613,7 @@ void UnmapLevelEditorGadgets()
     UnmapGadget(level_editor_gadget[i]);
 }
 
-static void ResetUndoBuffer()
+static void ResetUndoBuffer(void)
 {
   undo_buffer_position = -1;
   undo_buffer_steps = -1;
@@ -7593,12 +7642,12 @@ static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
     DrawDrawingWindowExt(remap_toolbox_gadgets);
 }
 
-static void DrawEditModeWindow()
+static void DrawEditModeWindow(void)
 {
   DrawEditModeWindowExt(TRUE);
 }
 
-static void DrawEditModeWindow_PlayfieldOnly()
+static void DrawEditModeWindow_PlayfieldOnly(void)
 {
   DrawEditModeWindowExt(FALSE);
 }
@@ -7610,7 +7659,7 @@ static void ChangeEditModeWindow(int new_edit_mode)
   DrawEditModeWindow();
 }
 
-static boolean LevelChanged()
+static boolean LevelChanged(void)
 {
   boolean field_changed = FALSE;
   int x, y;
@@ -7623,7 +7672,7 @@ static boolean LevelChanged()
   return (level.changed || field_changed);
 }
 
-static boolean PrepareSavingIntoPersonalLevelSet()
+static boolean PrepareSavingIntoPersonalLevelSet(void)
 {
   static LevelDirTree *last_copied_leveldir = NULL;
   static LevelDirTree *last_written_leveldir = NULL;
@@ -7765,7 +7814,7 @@ static int setSelectboxValue(int selectbox_id, int new_value)
   return new_index_value;
 }
 
-static void setSelectboxSpecialActionVariablesIfNeeded()
+static void setSelectboxSpecialActionVariablesIfNeeded(void)
 {
   int i;
 
@@ -7791,7 +7840,7 @@ static void setSelectboxSpecialActionVariablesIfNeeded()
   }
 }
 
-static void setSelectboxSpecialActionOptions()
+static void setSelectboxSpecialActionOptions(void)
 {
   int i;
 
@@ -8123,7 +8172,7 @@ static void CopyElementPropertiesToEditor(int element)
     CopyClassicElementPropertiesToEditor(element);
 }
 
-static boolean AskToCopyAndModifyLevelTemplate()
+static boolean AskToCopyAndModifyLevelTemplate(void)
 {
   if (Request("Copy and modify settings from level template?", REQ_ASK))
   {
@@ -8299,7 +8348,8 @@ static void CopyElementPropertiesToGame(int element)
     CopyClassicElementPropertiesToGame(element);
 }
 
-void CheckElementDescriptions()
+#if DEBUG
+static void CheckElementDescriptions(void)
 {
   int i;
 
@@ -8308,6 +8358,7 @@ void CheckElementDescriptions()
       Error(ERR_WARN, "no element description file for element '%s'",
            EL_NAME(i));
 }
+#endif
 
 static int getMaxEdFieldX(boolean has_scrollbar)
 {
@@ -8329,7 +8380,7 @@ static int getMaxEdFieldY(boolean has_scrollbar)
   return max_ed_fieldy;
 }
 
-void InitZoomLevelSettings(int zoom_tilesize)
+static void InitZoomLevelSettings(int zoom_tilesize)
 {
   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
 
@@ -8358,7 +8409,7 @@ void InitZoomLevelSettings(int zoom_tilesize)
   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
 }
 
-static void InitDrawingElements()
+static void InitDrawingElements(void)
 {
   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
 
@@ -8387,7 +8438,7 @@ static void InitDrawingElements()
   game_engine_type_last = level.game_engine_type;
 }
 
-static void InitLevelSetInfo()
+static void InitLevelSetInfo(void)
 {
   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
           "%s", leveldir_current->name);
@@ -8422,7 +8473,7 @@ static void ChangeEditorToLevelSet(char *levelset_subdir)
   DrawLevelEd();
 }
 
-static boolean useEditorDoorAnimation()
+static boolean useEditorDoorAnimation(void)
 {
   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
   boolean door_1_viewport_unchanged =
@@ -8439,7 +8490,7 @@ static boolean useEditorDoorAnimation()
   return (door_1_viewport_unchanged && door_1_contains_toolbox);
 }
 
-void DrawEditorDoorContent()
+static void DrawEditorDoorContent(void)
 {
   /* needed for gadgets drawn on background (like palette scrollbar) */
   SetDoorBackgroundImage(IMG_UNDEFINED);
@@ -8474,7 +8525,7 @@ void DrawEditorDoorContent()
   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
 }
 
-void DrawLevelEd()
+void DrawLevelEd(void)
 {
   int fade_mask = REDRAW_FIELD;
 
@@ -8552,7 +8603,7 @@ void DrawLevelEd()
   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
 }
 
-static void AdjustDrawingAreaGadgets()
+static void AdjustDrawingAreaGadgets(void)
 {
   int ed_xsize = lev_fieldx + 2;
   int ed_ysize = lev_fieldy + 2;
@@ -8628,7 +8679,7 @@ static void AdjustDrawingAreaGadgets()
               GDI_END);
 }
 
-static void AdjustLevelScrollPosition()
+static void AdjustLevelScrollPosition(void)
 {
   if (level_xpos < -1)
     level_xpos = -1;
@@ -8676,7 +8727,7 @@ static void AdjustEditorScrollbar(int id)
               GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
 }
 
-static void AdjustElementListScrollbar()
+static void AdjustElementListScrollbar(void)
 {
   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
   int items_max, items_visible, item_position;
@@ -8760,7 +8811,7 @@ static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
 }
 
-static void ModifyEditorElementList()
+static void ModifyEditorElementList(void)
 {
   int i;
 
@@ -8839,7 +8890,7 @@ static void PickDrawingElement(int button, int element)
   redraw_mask |= REDRAW_DOOR_1;
 }
 
-static void RedrawDrawingElements()
+static void RedrawDrawingElements(void)
 {
   PickDrawingElement(1, new_element1);
   PickDrawingElement(2, new_element2);
@@ -8871,12 +8922,12 @@ static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
   }
 }
 
-static void DrawDrawingWindow()
+static void DrawDrawingWindow(void)
 {
   DrawDrawingWindowExt(TRUE);
 }
 
-static int getTabulatorBarWidth()
+static int getTabulatorBarWidth(void)
 {
   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
@@ -8884,12 +8935,12 @@ static int getTabulatorBarWidth()
   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
 }
 
-static int getTabulatorBarHeight()
+static int getTabulatorBarHeight(void)
 {
   return ED_TAB_BAR_HEIGHT;
 }
 
-static Pixel getTabulatorBarColor()
+static Pixel getTabulatorBarColor(void)
 {
   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
@@ -8899,7 +8950,7 @@ static Pixel getTabulatorBarColor()
   return GetPixel(gd->bitmap, gd_x, gd_y);
 }
 
-static void DrawLevelInfoTabulatorGadgets()
+static void DrawLevelInfoTabulatorGadgets(void)
 {
   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
   Pixel tab_color = getTabulatorBarColor();
@@ -8932,7 +8983,7 @@ static void DrawLevelInfoTabulatorGadgets()
                  getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
 }
 
-static void DrawPropertiesTabulatorGadgets()
+static void DrawPropertiesTabulatorGadgets(void)
 {
   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
@@ -9000,7 +9051,7 @@ static int PrintElementDescriptionFromFile(char *filename, int font_nr,
                      TRUE, FALSE, FALSE);
 }
 
-static void DrawLevelInfoLevel()
+static void DrawLevelInfoLevel(void)
 {
   int i;
 
@@ -9029,7 +9080,7 @@ static char *getLevelSubdirFromSaveMode(int save_mode)
   return leveldir_current->subdir;
 }
 
-static void DrawLevelInfoLevelSet_DirectoryInfo()
+static void DrawLevelInfoLevelSet_DirectoryInfo(void)
 {
   char *directory_text = "Level set directory:";
   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
@@ -9044,7 +9095,7 @@ static void DrawLevelInfoLevelSet_DirectoryInfo()
   PrintInfoText(directory_name, font2_nr, x, y);
 }
 
-static void DrawLevelInfoLevelSet()
+static void DrawLevelInfoLevelSet(void)
 {
   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
@@ -9080,7 +9131,7 @@ static void DrawLevelInfoLevelSet()
   DrawLevelInfoLevelSet_DirectoryInfo();
 }
 
-static void DrawLevelInfoEditor()
+static void DrawLevelInfoEditor(void)
 {
   int i;
 
@@ -9103,7 +9154,7 @@ static void DrawLevelInfoEditor()
   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
 }
 
-static void DrawLevelInfoWindow()
+static void DrawLevelInfoWindow(void)
 {
   char *text = "Global Settings";
   int font_nr = FONT_TITLE_1;
@@ -9132,7 +9183,7 @@ static void DrawLevelInfoWindow()
     DrawLevelInfoEditor();
 }
 
-static void DrawCustomContentArea()
+static void DrawCustomContentArea(void)
 {
   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
@@ -9149,7 +9200,7 @@ static void DrawCustomContentArea()
   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
 }
 
-static void DrawCustomChangeContentArea()
+static void DrawCustomChangeContentArea(void)
 {
   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
@@ -9174,7 +9225,7 @@ static void RemoveElementContentArea(int id, int font_height)
                 ED_GADGET_TEXT_DISTANCE + font_height);
 }
 
-static void DrawYamYamContentAreas()
+static void DrawYamYamContentAreas(void)
 {
   int font_nr = FONT_TEXT_1;
   int font_height = getFontHeight(font_nr);
@@ -9209,7 +9260,7 @@ static void DrawYamYamContentAreas()
   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
 }
 
-static void DrawMagicBallContentAreas()
+static void DrawMagicBallContentAreas(void)
 {
   int font_nr = FONT_TEXT_1;
   int font_height = getFontHeight(font_nr);
@@ -9348,7 +9399,7 @@ static void DrawEnvelopeTextArea(int envelope_nr)
   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
 }
 
-static void DrawPropertiesInfo()
+static void DrawPropertiesInfo(void)
 {
   static struct
   {
@@ -9671,7 +9722,7 @@ static boolean checkPropertiesConfig(int element)
   return FALSE;
 }
 
-static void SetAutomaticNumberOfGemsNeeded()
+static void SetAutomaticNumberOfGemsNeeded(void)
 {
   int x, y;
 
@@ -9696,7 +9747,7 @@ static void SetAutomaticNumberOfGemsNeeded()
   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
 }
 
-static void DrawPropertiesConfig()
+static void DrawPropertiesConfig(void)
 {
   boolean draw_footer_line = FALSE;
   int max_num_element_counters = 4;
@@ -9819,6 +9870,7 @@ static void DrawPropertiesConfig()
       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
+      MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
 
       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
@@ -9879,6 +9931,10 @@ static void DrawPropertiesConfig()
   if (properties_element == EL_TIME_ORB_FULL)
     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
 
+  if (properties_element == EL_GAME_OF_LIFE ||
+      properties_element == EL_BIOMAZE)
+    MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
+
   if (CAN_GROW(properties_element))
   {
     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
@@ -10038,7 +10094,7 @@ static void DrawPropertiesConfig()
   }
 }
 
-static void DrawPropertiesChangeDrawingAreas()
+static void DrawPropertiesChangeDrawingAreas(void)
 {
   if (IS_CUSTOM_ELEMENT(properties_element))
   {
@@ -10052,7 +10108,7 @@ static void DrawPropertiesChangeDrawingAreas()
   redraw_mask |= REDRAW_FIELD;
 }
 
-static void DrawPropertiesChange()
+static void DrawPropertiesChange(void)
 {
   int i;
 
@@ -10146,7 +10202,7 @@ static void DrawEditorElementName(int x, int y, int font_nr)
   }
 }
 
-static void DrawPropertiesWindow()
+static void DrawPropertiesWindow(void)
 {
   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
@@ -10215,7 +10271,7 @@ static void DrawPropertiesWindow()
     DrawPropertiesConfig();
 }
 
-static void DrawPaletteWindow()
+static void DrawPaletteWindow(void)
 {
   int i;
 
@@ -10232,7 +10288,7 @@ static void DrawPaletteWindow()
   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
 }
 
-static void UpdateCustomElementGraphicGadgets()
+static void UpdateCustomElementGraphicGadgets(void)
 {
   int i;
 
@@ -11531,7 +11587,7 @@ static void SetElementIntelliDraw(int x, int y, int new_element,
   last_y = y;
 }
 
-static void ResetIntelliDraw()
+static void ResetIntelliDraw(void)
 {
   int x, y;
 
@@ -11551,7 +11607,7 @@ static void SetDrawModeHiRes(int element)
      (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY));
 }
 
-static boolean getDrawModeHiRes()
+static boolean getDrawModeHiRes(void)
 {
   return draw_mode_hires;
 }
@@ -11988,17 +12044,17 @@ static void CopyBrushToCursor(int x, int y)
   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
 }
 
-static void DeleteBrushFromCursor()
+static void DeleteBrushFromCursor(void)
 {
   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
 }
 
-void DumpBrush()
+void DumpBrush(void)
 {
   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
 }
 
-void DumpBrush_Small()
+void DumpBrush_Small(void)
 {
   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
 }
@@ -12274,7 +12330,7 @@ static void RandomPlacement(int new_element)
   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
 }
 
-void WrapLevel(int dx, int dy)
+static void WrapLevel(int dx, int dy)
 {
   int wrap_dx = lev_fieldx - dx;
   int wrap_dy = lev_fieldy - dy;
@@ -13843,7 +13899,7 @@ void HandleLevelEditorKeyInput(Key key)
   }
 }
 
-void HandleLevelEditorIdle()
+void HandleLevelEditorIdle(void)
 {
   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
   int x = editor.settings.element_graphic.x + element_border;
@@ -13873,7 +13929,7 @@ void HandleLevelEditorIdle()
   FrameCounter++;      /* increase animation frame counter */
 }
 
-static void ClearEditorGadgetInfoText()
+static void ClearEditorGadgetInfoText(void)
 {
   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
 }