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'\" t
.\" Copyright 1999 Oracle and/or its affiliates. All rights reserved.
.\"
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.\"
.\" The above copyright notice and this permission notice (including the next
.\" paragraph) shall be included in all copies or substantial portions of the
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.\"
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.\"
.TH XkbLockModifiers __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
.SH NAME
XkbLockModifiers \- Locks and unlocks any of the eight real keyboard modifiers
.SH SYNOPSIS
.HP
.B Bool XkbLockModifiers
.BI "(\^Display *" "display" "\^,"
.BI "unsigned int " "device_spec" "\^,"
.BI "unsigned int " "affect" "\^,"
.BI "unsigned int " "values" "\^);"
.if n .ti +5n
.if t .ti +.5i
.SH ARGUMENTS
.TP
.I display
connection to the X server
.TP
.I device_spec
device ID, or XkbUseCoreKbd
.TP
.I affect
mask of real modifiers whose lock state is to change
.TP
.I values
1 => lock, 0 => unlock; only for modifiers selected by affect
.SH DESCRIPTION
.LP
.I XkbLockModifiers
sends a request to the server to lock the real modifiers
selected by both
.I affect
and
.I values
and to unlock the real modifiers selected by
.I affect,
but not selected by
.I values. XkbLockModifiers
does not wait for a reply from the server. It returns True if the request was
sent, and False otherwise.
The functions in this section that change the use of modifiers use a mask in the
parameter affect. It is a bitwise inclusive OR of the legal modifier masks:
.TS
c
l
l.
Table 1 Real Modifier Masks
_
Mask
_
ShiftMask
LockMask
ControlMask
Mod1Mask
Mod2Mask
Mod3Mask
Mod4Mask
Mod5Mask
.TE
.SH "RETURN VALUES"
.TP 15
True
The
.I XkbLockModifiers
function returns True if a request is sent to the server to lock the real
modifiers
selected by both
.I affect
and
.I values
and to unlock the real modifiers selected by
.I affect,
but not selected by
.I values.
.TP 15
False
The
.I XkbLockModifiers
function returns False if the request was not sent.
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