XkbChangeTypesOfKey man page on QNX

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XkbChangeTypesOfKey(3)		 XKB FUNCTIONS		XkbChangeTypesOfKey(3)

NAME
       XkbChangeTypesOfKey  -  Change the number of groups and the types bound
       to a key

SYNOPSIS
       Status XkbChangeTypesOfKey (XkbDescPtr  xkb,  int  key,	int  n_groups,
	      unsigned	 int   groups,	 int  *new_types_in,  XkbMapChangesPtr
	      p_changes);

ARGUMENTS
       - xkb  keyboard description to be changed

       - key  keycode for key of interest

       - n_groups
	      new number of groups for key

       - groups
	      mask indicating groups to change

       - new_types_in
	      indices for new groups specified in groups

       - p_changes
	      notes changes made to xkb

DESCRIPTION
       XkbChangeTypesOfKey reallocates the symbols and actions	bound  to  the
       key, if necessary, and initializes any new symbols or actions to NoSym‐
       bol or NoAction, as appropriate. If  the	 p_changes  parameter  is  not
       NULL,  XkbChangeTypesOfKey adds the XkbKeySymsMask to the changes field
       of p_changes and modifies the first_key_sym and num_key_syms fields  of
       p_changes  to  include the key that was changed. See STRUCTURE for more
       information  on	the   XkbMapChangesPtr	 structure.   If   successful,
       XkbChangeTypesOfKey returns Success.

       The  n_groups parameter specifies the new number of groups for the key.
       The groups parameter is a mask specifying  the  groups  for  which  new
       types  are  supplied  and  is  a	 bitwise inclusive OR of the following
       masks: XkbGroup1Mask, XkbGroup2Mask, XkbGroup3Mask, and XkbGroup4Mask.

       The new_types_in parameter is an	 integer  array	 of  length  n_groups.
       Each  entry  represents the type to use for the associated group and is
       an index into xkb->map->types.  The new_types_in array  is  indexed  by
       group  index;  if  n_groups  is four and groups only has Group1Mask and
       Group3Mask set, new_types_in looks like this:

	   new_types_in[0] = type for Group1
	   new_types_in[1] = ignored
	   new_types_in[2] = type for Group3
	   new_types_in[3] = ignored

       For convenience, Xkb provides the following constants to use as indices
       to the groups:

       Table 1 Group Index Constants
       ──────────────────────────────
       Constant Name	   Value
       ──────────────────────────────
       XkbGroup1Index	   0

       XkbGroup2Index	   1
       XkbGroup3Index	   2
       XkbGroup4Index	   3

       If  the Xkb extension has not been properly initialized, XkbChangeType‐
       sOfKey returns BadAccess. If the xkb parameter it not valid  (that  is,
       it  is  NULL or it does not contain a valid client map), XkbChangeType‐
       sOfKey returns BadMatch. If the key is not a valid keycode, n_groups is
       greater	than  XkbNumKbdGroups, or the groups mask does not contain any
       of the valid group mask bits, XkbChangeTypesOfKey returns BadValue.  If
       it is necessary to resize the key symbols or key actions arrays and any
       allocation errors occur, XkbChangeTypesOfKey returns BadAlloc.

STRUCTURES
       Use the XkbMapChangesRec structure to identify and track partial	 modi‐
       fications to the mapping components and to reduce the amount of traffic
       between the server and clients.

       typedef struct _XkbMapChanges {
	   unsigned short   changed;		/∗ identifies valid components in
       structure */
	   KeyCode	    min_key_code;	/∗ lowest numbered keycode for device
       */
	   KeyCode	    max_key_code;	/∗ highest numbered keycode for device
       */
	   unsigned char    first_type;		/∗ index of first key type modified */
	   unsigned char    num_types;		/∗ # types modified */
	   KeyCode	    first_key_sym;	/∗ first key whose key_sym_map changed
       */
	   unsigned char    num_key_syms;	/∗ # key_sym_map entries changed */
	   KeyCode	    first_key_act;	/∗ first key whose key_acts entry
       changed */
	   unsigned char    num_key_acts;	/∗ # key_acts entries changed */
	   KeyCode	    first_key_behavior; /∗ first key whose behaviors changed */
	   unsigned char    num_key_behaviors;	/∗ # behaviors entries changed */
	   KeyCode	    first_key_explicit; /∗ first key whose explicit entry
       changed */
	   unsigned char    num_key_explicit;	/∗ # explicit entries changed */
	   KeyCode	    first_modmap_key;	/∗ first key whose modmap entry changed
       */
	   unsigned char    num_modmap_keys;	/∗ # modmap entries changed */
	   KeyCode	    first_vmodmap_key;	/∗ first key whose vmodmap changed */
	   unsigned char    num_vmodmap_keys;	/∗ # vmodmap entries changed */
	   unsigned char    pad1;		/∗ reserved */
	   unsigned short   vmods;		/∗ mask indicating which vmods changed
       */
       } XkbMapChangesRec,*XkbMapChangesPtr;

DIAGNOSTICS
       BadAccess      The Xkb extension has not been properly initialized

       BadAlloc	      Unable to allocate storage

       BadMatch	      A compatible version of Xkb was  not  available  in  the
		      server or an argument has correct type and range, but is
		      otherwise invalid

       BadValue	      An argument is out of range

X Version 11			 libX11 1.3.5		XkbChangeTypesOfKey(3)
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