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XkbChangeMap(3) XKB FUNCTIONS XkbChangeMap(3)
NAME
XkbChangeMap - Update only partial components of a keyboard description, modify the appro-
priate fields in the server and map components of a local copy of the keyboard description
SYNOPSIS
Bool XkbChangeMap (Display *dpy, XkbDescPtr xkb, XkbMapChangesPtr changes);
ARGUMENTS
- dpy connection to X server
- xkb description from which new values are taken
- changes
identifies component parts to update
DESCRIPTION
To update only partial components of a keyboard description, modify the appropriate fields
in the server and map components of a local copy of the keyboard description, then call
XkbChangeMap with an XkbMapChangesRec structure indicating which components have changed.
XkbChangeMap copies any components specified by the changes structure from the keyboard
description, xkb, to the X server specified by dpy.
If any components specified by changes are not present in the xkb parameter, XkbChangeMap
returns False. Otherwise, it sends a request to the server and returns True.
XkbChangeMap can generate BadAlloc, BadLength, and BadValue protocol errors.
RETURN VALUES
True The XkbChangeMap function returns True if the components specified by
changes are present in the xkb parameter.
False The XkbChangeMap function returns False if the components specified by
changes are not present in the xkb parameter.
STRUCTURES
Use the XkbMapChangesRec structure to identify and track partial modifications to the map-
ping 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
BadAlloc Unable to allocate storage
BadLength The length of a request is shorter or longer than that required to mini-
mally contain the arguments
BadValue An argument is out of range
X Version 11 libX11 1.6.7 XkbChangeMap(3)
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
On Apache
Under GNU General Public License
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