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'\" t
.\" Copyright 1999 Sun Microsystems, Inc. All rights reserved.
.\"
.\" Permission is hereby granted, free of charge, to any person obtaining a
.\" copy of this software and associated documentation files (the "Software"),
.\" to deal in the Software without restriction, including without limitation
.\" the rights to use, copy, modify, merge, publish, distribute, sublicense,
.\" and/or sell copies of the Software, and to permit persons to whom the
.\" Software is furnished to do so, subject to the following conditions:
.\"
.\" The above copyright notice and this permission notice (including the next
.\" paragraph) shall be included in all copies or substantial portions of the
.\" Software.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
.\" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
.\" FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
.\" THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
.\" LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
.\" FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
.\" DEALINGS IN THE SOFTWARE.
.\"
.TH XkbGetDeviceLedInfo __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
.SH NAME
XkbGetDeviceLedInfo \- Query the indicator names, maps, and state associated
with an LED feedback of an input extension device
.SH SYNOPSIS
.HP
.B Status XkbGetDeviceLedInfo
.BI "(\^Display *" "dpy" "\^,"
.BI "XkbDeviceInfoPtr " "device_info" "\^,"
.BI "unsigned int " "led_class" "\^,"
.BI "unsigned int " "led_id" "\^,"
.BI "unsigned int " "which" "\^);"
.if n .ti +5n
.if t .ti +.5i
.SH ARGUMENTS
.TP
.I \- dpy
connection to X server
.TP
.I \- device_info
structure to update with results
.TP
.I \- led_class
LED feedback class assigned by input extension
.TP
.I \- led_id
LED feedback ID assigned by input extension
.TP
.I \- which
mask indicating desired information
.SH DESCRIPTION
.LP
.I XkbGetDeviceLedInfo
queries the server for the desired LED information for the feedback specified by
.I led_class
and
.I led_id
for the X input extension device indicated by
.I device_spec->device_info
and waits for a reply. If successful,
.I XkbGetDeviceLedInfo
backfills the relevant fields of
.I device_info
as determined by
.I which
with the results and returns Success. Valid values for
.I which
are the inclusive OR of any of XkbXI_IndicatorNamesMask,
XkbXI_IndicatorMapsMask, and XkbXI_IndicatorStateMask.
The fields of
.I device_info
that are filled in when this request succeeds are
.I name, type, supported,
and
.I unsupported,
and portions of the
.I leds
structure corresponding to
.I led_class
and
.I led_id
as indicated by the bits set in
.I which.
The
.I device_info->leds
vector is allocated if necessary and
.I sz_leds
and
.I num_leds
filled in. The
.I led_class, led_id
and
.I phys_indicators
fields of the
.I device_info->leds
entry corresponding to
.I led_class
and
.I led_id
are always filled in.
If
.I which
contains XkbXI_IndicatorNamesMask, the
.I names_present
and
.I names
fields of the
.I device_info->leds
structure corresponding to
.I led_class
and
.I led_id
are updated, if
.I which
contains XkbXI_IndicatorStateMask, the corresponding
.I state
field is updated, and if
.I which
contains XkbXI_IndicatorMapsMask, the
.I maps_present
and
.I maps
fields are updated.
If a compatible version of Xkb is not available in the server or the Xkb
extension has not been properly initialized,
.I XkbGetDeviceLedInfo
returns BadAccess. If allocation errors occur, a BadAlloc status is returned. If
the device has no indicators, a BadMatch error is returned. If
.I ledClass
or
.I ledID
have illegal values, a BadValue error is returned. If they have legal values but
do not specify a feedback that contains LEDs and is associated with the
specified device, a BadMatch error is returned.
.SH DIAGNOSTICS
.TP 15
.B BadAccess
The Xkb extension has not been properly initialized
.TP 15
.B BadAlloc
Unable to allocate storage
.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
.TP 15
.B BadValue
An argument is out of range
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