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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
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Checked in the following released items:
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+.\" Copyright (c) 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, and/or sell copies of the Software, and to permit persons
+.\" to whom the Software is furnished to do so, provided that the above
+.\" copyright notice(s) and this permission notice appear in all copies of
+.\" the Software and that both the above copyright notice(s) and this
+.\" permission notice appear in supporting documentation.
+.\"
+.\" 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
+.\" OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+.\" HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
+.\" INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
+.\" FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+.\" NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+.\" WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.\" Except as contained in this notice, the name of a copyright holder
+.\" shall not be used in advertising or otherwise to promote the sale, use
+.\" or other dealings in this Software without prior written authorization
+.\" of the copyright holder.
+.\"
+.TH XkbGetIndicatorChanges __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
+.SH NAME
+XkbGetIndicatorChanges \- Updates a local copy of the keyboard description with
+the actual values of one or more calls to XkbNoteIndicatorChanges
+.SH SYNOPSIS
+.B Status XkbGetIndicatorChanges
+(
+.I dpy,
+.I xkb,
+.I changes,
+.I state
+)
+.br
+ Display *\fIdpy\fP\^;
+.br
+ XkbDescPtr \fIxkb\fP\^;
+.br
+ XkbIndicatorChangesPtr \fIchanges\fP\^;
+.br
+ unsigned int \fIstate\fP\^;
+.if n .ti +5n
+.if t .ti +.5i
+.SH ARGUMENTS
+.TP
+.I \- dpy
+connection to the X server
+.TP
+.I \- xkb
+keyboard description to hold the new values
+.TP
+.I \- changes
+indicator maps/state to be obtained from the server
+.TP
+.I \- state
+backfilled with the state of the indicators
+.SH DESCRIPTION
+.LP
+Whenever an indicator changes state, the server sends XkbIndicatorStateNotify events to all
+interested clients. Similarly, whenever an indicator's map changes, the server sends
+XkbIndicatorMapNotify events to all interested clients.
+
+To receive XkbIndicatorStateNotify events, use
+.I XkbSelectEvents
+with both the
+.I bits_to_change
+and
+.I values_for_bits
+parameters containing XkbIndicatorStateNotifyMask. To receive XkbIndicatorMapNotify events,
+use
+.I XkbSelectEvents
+with XkbIndicatorMapNotifyMask.
+
+To receive events for only specific indicators, use
+.I XkbSelectEventDetails.
+Set the
+.I event_type
+parameter to XkbIndicatorStateNotify or XkbIndicatorMapNotify, and set both the
+.I bits_to_change
+and
+.I values_for_bits
+detail parameters to a mask where each bit specifies one indicator, turning on those bits that
+specify the indicators for which you want to receive events.
+
+Both types of indicator events use the same structure:
+.nf
+
+typedef struct _XkbIndicatorNotify {
+ int type; /\(** Xkb extension base event code */
+ unsigned long serial; /\(** X server serial number for event */
+ Bool send_event; /\(** True => synthetically generated */
+ Display * display; /\(** server connection where event generated */
+ Time time; /\(** server time when event generated */
+ int xkb_type; /\(** specifies state or map notify */
+ int device; /\(** Xkb device ID, will not be XkbUseCoreKbd */
+ unsigned int changed; /\(** mask of indicators with new state or map */
+ unsigned int state; /\(** current state of all indicators */
+} XkbIndicatorNotifyEvent;
+
+.fi
+.I xkb_type
+is either XkbIndicatorStateNotify or XkbIndicatorMapNotify, depending on whether the event is
+a kbIndicatorStateNotify event or kbIndicatorMapNotify event.
+
+The
+.I changed
+parameter is a mask that is the bitwise inclusive OR of the indicators that have changed. If
+the event is of type XkbIndicatorMapNotify,
+.I changed
+reports the maps that changed. If the event is of type XkbIndicatorStateNotify,
+.I changed
+reports the indicators that have changed state.
+.I state
+is a mask that specifies the current state of all indicators, whether they have changed or
+not, for both XkbIndicatorStateNotify and IndicatorMapNotify events.
+
+When your client application receives either a XkbIndicatorStateNotify event or
+XkbIndicatorMapNotify event, you can note the changes in a changes structure by calling
+.I XkbNoteIndicatorChanges.
+
+.I XkbGetIndicatorChanges
+examines the
+.I changes
+parameter, pulls over the necessary information from the server, and copies the
+results into the
+.I xkb
+keyboard description. If any bits are set in the
+.I state_changes
+field of
+.I changes, XkbGetIndicatorChanges
+also places the state of those indicators in
+.I state.
+If the
+.I indicators
+field of
+.I xkb
+is NULL,
+.I XkbGetIndicatorChanges
+allocates and initializes it. To free the
+.I indicators
+field, use
+.I XkbFreeIndicators.
+.SH DIAGNOSTICS
+.TP 15
+.B BadAlloc
+Unable to allocate storage
+.TP 15
+.B BadImplementation
+Invalid reply from server
+.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 XkbFreeIndicators (__libmansuffix__),
+.BR XkbGetIndicatorChanges (__libmansuffix__),
+.BR XkbNoteIndicatorChanges (__libmansuffix__),
+.BR XkbSelectEvents (__libmansuffix__),
+.BR XkbSelectEventDetail (__libmansuffix__)
+
+
+