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'\" t
.\" Copyright (c) 1999 - Sun Microsystems, Inc.
.\" All rights reserved.
.\" 
.\" Permission is hereby granted, free of charge, to any person obtaining a
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.\" "Software"), to deal in the Software without restriction, including
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.\" to whom the Software is furnished to do so, provided that the above
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.\" the Software and that both the above copyright notice(s) and this
.\" permission notice appear in supporting documentation.
.\" 
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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.\" INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
.\" FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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.\"
.TH XkbSetNames __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
.SH NAME
XkbSetNames \- Change the symbolic names in the server
.SH SYNOPSIS
.HP
.B Bool XkbSetNames
.BI "(\^Display *" "dpy" "\^,"
.BI "unsigned int " "which" "\^,"
.BI "unsigned int " "first_type" "\^,"
.BI "unsigned int " "num_types" "\^,"
.BI "XkbDescPtr " "xkb" "\^);"
.if n .ti +5n
.if t .ti +.5i
.SH ARGUMENTS
.TP
.I \- dpy
connection to the X server
.TP
.I \- which
mask of names or map components to be changed
.TP
.I \- first_type
first type whose name is to be changed
.TP
.I \- num_types
number of types for which names are to be changed
.TP
.I \- xkb
keyboard description from which names are to be taken
.SH DESCRIPTION
.LP
To change the symbolic names in the server, first modify a local copy of the 
keyboard description and then 
use either 
.I XkbSetNames, 
or, to save network traffic, use a XkbNameChangesRecstructure and call
.I XkbChangeNames 
to download the changes to the server. 
.I XkbSetNames 
and 
.I XkbChangeNames 
can generate BadAlloc, BadAtom, BadLength, BadMatch, and BadImplementation 
errors.

Use 
.I XkbSetNames 
to change many names at the same time. For each bit set in 
.I which, XkbSetNames 
takes the corresponding value (or values in the case of arrays) from the 
keyboard description 
.I xkb 
and sends it to the server.

The 
.I first_type 
and 
.I num_types 
arguments are used only if XkbKeyTypeNamesMask or XkbKTLevelNamesMask is set in
.I which 
and specify a subset of the types for which the corresponding names are to be 
changed. If either or both of 
these mask bits are set but the specified types are illegal, 
.I XkbSetNames 
returns False and does not update any of the names specified in 
.I which. 
The specified types are illegal if 
.I xkb 
does not include a map component or if 
.I first_type 
and 
.I num_types 
specify types that are not defined in the keyboard description.
.SH STRUCTURES
.LP
The XkbNameChangesRec allows applications to identify small modifications to the 
symbolic names and 
effectively reduces the amount of traffic sent to the server:
.nf

    typedef struct _XkbNameChanges {
        unsigned int   changed;          /\(** name components that have changed */
        unsigned char  first_type;       /\(** first key type with a new name */
        unsigned char  num_types;        /\(** number of types with new names */
        unsigned char  first_lvl;        /\(** first key type with new level names 
*/
        unsigned char  num_lvls;         /\(** number of key types with new level 
names */
        unsigned char  num_aliases;      /\(** if key aliases changed, total number 
of key aliases */
        unsigned char  num_rg;           /\(** if radio groups changed, total 
number of radio groups */
        unsigned char  first_key;        /\(** first key with a new name */
        unsigned char  num_keys;         /\(** number of keys with new names */
        unsigned short changed_vmods;    /\(** mask of virtual modifiers for which 
names have changed */
        unsigned long  changed_indicators; /\(** mask of indicators for which names 
were changed */
        unsigned char  changed_groups;     /\(** mask of groups for which names 
were changed */
    } XkbNameChangesRec, *XkbNameChangesPtr
    
.fi    
The 
.I changed 
field specifies the name components that have changed and is the bitwise 
inclusive OR of the valid names 
mask bits defined in Table 1. The rest of the fields in the structure specify 
the ranges that have changed 
for the various kinds of symbolic names, as shown in Table 2.

Xkb provides several functions that work with symbolic names. Each of these 
functions uses a mask to 
specify individual fields of the structures described above. These masks and 
their relationships to the 
fields in a keyboard description are shown in Table 1.

.TS
c s s s
l l l l.
Table 1 Symbolic Names Masks
_
Mask Bit	Value	Keyboard	Field
		Component
_
XkbKeycodesNameMask	(1<<0)	Xkb->names	keycodes
XkbGeometryNameMask	(1<<1)	Xkb->names	geometry
XkbSymbolsNameMask	(1<<2)	Xkb->names	symbols
XkbPhysSymbolsNameMask	(1<<3)	Xkb->names	phys_symbols
XkbTypesNameMask	(1<<4)	Xkb->names	type
XkbCompatNameMask	(1<<5)	Xkb->names	compat
XkbKeyTypeNamesMask	(1<<6)	Xkb->map	type[*].name
XkbKTLevelNamesMask	(1<<7)	Xkb->map	type[*].lvl_names[*]
XkbIndicatorNamesMask	(1<<8)	Xkb->names	indicators[*]
XkbKeyNamesMask	(1<<9)	Xkb->names	keys[*], num_keys
XkbKeyAliasesMask	(1<<10)	Xkb->names	key_aliases[*], num_key_aliases
XkbVirtualModNamesMask	(1<<11)	Xkb->names	vmods[*]
XkbGroupNamesMask	(1<<12)	Xkb->names	groups[*]
XkbRGNamesMask	(1<<13)	Xkb->names	radio_groups[*], num_rg
XkbComponentNamesMask	(0x3f)	Xkb->names	keycodes,
			geometry,
			symbols,
			physical symbols,
			types, and
			compatibility map
XkbAllNamesMask	(0x3fff)	Xkb->names	all name components
.TE

.TS
c s s s
l l l l.
Table 2 XkbNameChanges Fields
_
Mask	Fields	Component	Field
_
XkbKeyTypeNamesMask	first_type,	Xkb->map	type[*].name
	num_types
XkbKTLevelNamesMask	first_lvl,	Xkb->map	type[*].lvl_names[*]
	num_lvls
XkbKeyAliasesMask	num_aliases	Xkb->names	key_aliases[*]
XkbRGNamesMask	num_rg	Xkb->names	radio_groups[*]
XkbKeyNamesMask	first_key,	Xkb->names	keys[*]
	num_keys
XkbVirtualModNamesMask	changed_vmods	Xkb->names	vmods[*]
XkbIndicatorNamesMask	changed_indicators	Xkb->names	indicators[*]
XkbGroupNamesMask	changed_groups	Xkb->names	groups[*]
.TE
.SH DIAGNOSTICS
.TP 15
.B BadAlloc
Unable to allocate storage
.TP 15
.B BadAtom
A name is neither a valid Atom or None
.TP 15
.B BadImplementation
Invalid reply from server
.TP 15
.B BadLength
The length of a request is shorter or longer than that required to minimally 
contain the arguments
.TP 15
.B BadMatch
A compatible version of Xkb was not available in the server or an argument has 
correct type and range, but is otherwise invalid
.SH "SEE ALSO"
.BR XkbChangeNames (__libmansuffix__)