222 lines
9.3 KiB
Groff
222 lines
9.3 KiB
Groff
'\" t
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.\" Copyright 1999 Oracle and/or its affiliates. All rights reserved.
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.\"
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.\" Permission is hereby granted, free of charge, to any person obtaining a
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.\" copy of this software and associated documentation files (the "Software"),
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.\" to deal in the Software without restriction, including without limitation
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.\" the rights to use, copy, modify, merge, publish, distribute, sublicense,
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.\" and/or sell copies of the Software, and to permit persons to whom the
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.\" Software is furnished to do so, subject to the following conditions:
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.\"
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.\" The above copyright notice and this permission notice (including the next
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.\" paragraph) shall be included in all copies or substantial portions of the
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.\" Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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.\" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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.\" FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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.\" THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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.\" LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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.\" FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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.\" DEALINGS IN THE SOFTWARE.
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.\"
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.TH XkbSetDeviceInfo __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
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.SH NAME
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XkbSetDeviceInfo \- Modify some or all of the characteristics of an X Input
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Extension device
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.SH SYNOPSIS
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.HP
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.B Bool XkbSetDeviceInfo
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.BI "(\^Display *" "dpy" "\^,"
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.BI "unsigned int " "which" "\^,"
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.BI "XkbDeviceInfoPtr " "device_info" "\^);"
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.if n .ti +5n
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.if t .ti +.5i
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.SH ARGUMENTS
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.TP
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.I \- dpy
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connection to X server
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.TP
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.I \- which
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mask indicating characteristics to modify
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.TP
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.I \- device_info
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structure defining the device and modifications
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.SH DESCRIPTION
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.LP
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To change characteristics of an X Input Extension device in the server, first
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modify a local copy of the device structure and then use either
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.I XkbSetDeviceInfo,
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or, to save network traffic, use an XkbDeviceChangesRec structure and call
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.I XkbChangeDeviceInfo
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to download the changes to the server.
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.I XkbSetDeviceInfo
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sends a request to the server to modify the characteristics of the device
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specified in the
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.I device_info
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structure. The particular characteristics modified are identified by the bits
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set in
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.I which
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and take their values from the relevant fields in
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device_info (see Table 1). XkbSetDeviceInfo returns True if the request was
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successfully sent to the server. If the X server implementation does not allow
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interaction between the X input extension and the Xkb Extension, the function
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does nothing and returns False.
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.bp
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.nf
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Table 1 XkbDeviceInfoRec Mask Bits
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____________________________________________________________________________________
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Name XkbDeviceInfoRec Value Capability If Set
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Fields Effected
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____________________________________________________________________________________
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XkbXI_KeyboardsMask (1L <<0) Clients can use all
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Xkb requests and events
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with KeyClass devices
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supported by the input
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device extension.
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XkbXI_ButtonActionsMask num_btns (1L <<1) Clients can assign key
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btn_acts actions to buttons
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non-KeyClass input
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extension devices.
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XkbXI_IndicatorNamesMask leds->names (1L <<2) Clients can assign
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names to indicators on
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non-KeyClass input
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extension devices.
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XkbXI_IndicatorMapsMask leds->maps (1L <<3) Clients can assign
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indicator maps to
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indicators on
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non-KeyClass input
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extension devices.
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XkbXI_IndicatorStateMask leds->state (1L <<4) Clients can request
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the status of indicators
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on non-KeyClass input
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extension devices.
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XkbXI_IndicatorsMask sz_leds (0x1c) XkbXI_IndicatorNamesMask |
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num_leds XkbXI_IndicatorMapsMask |
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leds->* XkbXI_IndicatorStateMask
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XkbXI_UnsupportedFeaturesMask unsupported (1L <<15)
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XkbXI_AllDeviceFeaturesMask Those selected (0x1e) XkbXI_IndicatorsMask |
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by Value Column XkbSI_ButtonActionsMask
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masks
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XkbXI_AllFeaturesMask Those selected (0x1f) XkbSI_AllDeviceFeaturesMask |
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by Value Column XkbSI_KeyboardsMask
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masks
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XkbXI_AllDetailsMask Those selected (0x801f) XkbXI_AllFeaturesMask |
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by Value column XkbXI_UnsupportedFeaturesMask
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masks
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.fi
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The
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.I which
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parameter specifies which aspects of the device should be changed and is a
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bitmask composed of an inclusive OR or one or more of the following bits:
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XkbXI_ButtonActionsMask, XkbXI_IndicatorNamesMask, XkbXI_IndicatorMapsMask. If
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the features requested to be manipulated in
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.I which
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are valid for the device, but the server does not support assignment of one or
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more of them, that particular portion of the request is ignored.
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If the device specified in
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.I device_info->device_spec
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does not contain buttons and a request affecting buttons is made, or the device
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does not contain indicators and a request affecting indicators is made, a
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BadMatch protocol error results.
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If the XkbXI_ButtonActionsMask bit is set in the
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.I supported
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mask returned by
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.I XkbGetDeviceInfo,
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the Xkb extension allows applications to assign key actions to buttons on input
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extension devices other than the core keyboard device. If the
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XkbXI_ButtonActionsMask is set in
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.I which,
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the actions for all buttons specified in
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.I device_info
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are set to the XkbActions specified in
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.I device_info->btn_acts.
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If the number of buttons requested to be updated is not valid for the device,
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.I XkbSetDeviceInfo
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returns False and a BadValue protocol error results.
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If the XkbXI_IndicatorMaps and / or XkbXI_IndicatorNamesMask bit is set in the
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.I supported
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mask returned by
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.I XkbGetDeviceInfo,
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the Xkb extension allows applications to assign maps and / or names to the
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indicators of nonkeyboard extension devices. If supported, maps and / or names
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can be assigned to all extension device indicators, whether they are part of a
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keyboard feedback or part of an indicator feedback.
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If the XkbXI_IndicatorMapsMask and / or XkbXI_IndicatorNamesMask flag is set in
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.I which,
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the indicator maps and / or names for all
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.I device_info->num_leds
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indicator devices specified in
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.I device_info->leds
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are set to the maps and / or names specified in
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.I device_info->leds. device_info->leds->led_class
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and
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.I led_id
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specify the input extension class and device ID for each indicator device to
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modify; if they have invalid values, a BadValue protocol error results and
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.I XkbSetDeviceInfo
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returns False. If they have legal values but do not specify a keyboard or
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indicator class feedback for the device in question, a BadMatch error results.
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If any of the values in
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.I device_info->leds->names
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are not a valid Atom or None, a BadAtom protocol error results.
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.SH "RETURN VALUES"
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.TP 15
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True
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The
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.I XkbSetDeviceInfo
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function returns True if the request was successfully sent to the server.
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.TP 15
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False
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The
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.I XkbSetDeviceInfo
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function returns False if the X server implementation does not allow interaction
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between the X input extension and the Xkb Extension.
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.SH STRUCTURES
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.LP
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Changes to an Xkb extension device may be tracked by listening to
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XkbDeviceExtensionNotify events and accumulating the changes in an
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XkbDeviceChangesRec structure. The changes noted in the structure may then be
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used in subsequent operations to update either a server configuration or a local
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copy of an Xkb extension device configuration. The changes structure is defined
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as follows:
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.nf
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typedef struct _XkbDeviceChanges {
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unsigned int changed; /\(** bits indicating what has changed */
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unsigned short first_btn; /\(** number of first button which changed, if any */
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unsigned short num_btns; /\(** number of buttons that have changed */
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XkbDeviceLedChangesRec leds;
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} XkbDeviceChangesRec,*XkbDeviceChangesPtr;
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.fi
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.SH DIAGNOSTICS
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.TP 15
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.B BadAtom
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A name is neither a valid Atom or None
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.TP 15
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.B BadMatch
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A compatible version of Xkb was not available in the server or an argument has
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correct type and range, but is otherwise invalid
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.TP 15
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.B BadValue
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An argument is out of range
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.SH "SEE ALSO"
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.BR XkbChangeDeviceInfo (__libmansuffix__),
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.BR XkbGetDeviceInfo (__libmansuffix__)
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