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X11R7.4 - man page for xkbresizekeytype (x11r4 section 3)

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XkbResizeKeyType(3)			  XKB FUNCTIONS 		      XkbResizeKeyType(3)

       XkbResizeKeyType - Change the number of levels in a key type

       Status XkbResizeKeyType ( xkb, type_ndx, map_count, want_preserve, new_num_lvls )
	     XkbDescPtr xkb;
	     int type_ndx;
	     int map_count;
	     Bool want_preserve;
	     int new_num_lvls;

       - xkb  keyboard description containing client map to update

       - type_ndx
	      index in xkb->map->types of type to change

       - map_count
	      total # of map entries needed for the type

       - want_preserve
	      True => list of preserved modifiers is necessary

       - new_num_lvls
	      new max # of levels for type

       XkbResizeKeyType  changes the type specified by xkb->map->types[type_ndx], and reallocates
       the symbols and actions bound to all keys that use the type, if necessary.   XkbResizeKey-
       Type  updates only the local copy of the types in xkb; to update the server's copy for the
       physical device, use XkbSetMap or XkbChangeMap after calling XkbResizeKeyType.

       The map_count parameter specifies the total number of map entries needed for the type, and
       can  be zero or greater. If map_count is zero, XkbResizeKeyType frees the existing map and
       preserve entries for the type if they exist and sets them to NULL.

       The want_preserve parameter specifies whether a preserve list for the key should  be  cre-
       ated.  If  want_preserve is True, the preserve list with map_count entries is allocated or
       reallocated if it already exists. Otherwise, if want_preserve is False, the preserve field
       is freed if necessary and set to NULL.

       The  new_num_lvls  parameter specifies the new maximum number of shift levels for the type
       and is used to calculate and resize the symbols and actions bound to all keys that use the

       If  type_ndx  does not specify a legal type, new_num_lvls is less than 1, or the map_count
       is less than zero, XkbResizeKeyType returns BadValue. If XkbResizeKeyType  encounters  any
       problems with allocation, it returns BadAlloc. Otherwise, it returns Success.

       Success	      The XkbResizeKeyType function returns Success if type_ndx specifies a legal
		      type, new_num_lvls is greater than zero and map_count is positive.

       BadAlloc       Unable to allocate storage

       BadValue       An argument is out of range

       XkbChangeMap(3), XkbSetMap(3)

X Version 11				   libX11 1.2.1 		      XkbResizeKeyType(3)
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