xenocara/lib/libXi/man/XSendExtensionEvent.man

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.\" Title: xsendextensionevent
.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author]
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.\" Generator: DocBook XSL Stylesheets v1.77.1 <http://docbook.sf.net/>
.\" Date: 03/09/2013
.\" Manual: \ \&
.\" Source: \ \&
.\" Language: English
2006-11-25 10:22:40 -07:00
.\"
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.TH "XSENDEXTENSIONEVENT" "libmansuffix" "03/09/2013" "\ \&" "\ \&"
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.SH "NAME"
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XSendExtensionEvent \- send input extension events to a client
.SH "SYNOPSIS"
.sp
.nf
#include <X11/extensions/XInput\&.h>
.fi
.sp
.nf
Status XSendExtensionEvent( Display *display,
XDevice *device,
Window destination,
Bool propagate,
int event_count,
XEventClass *event_list,
XEvent *event_send);
.fi
.sp
.nf
display
Specifies the connection to the X server\&.
.fi
.sp
.nf
device
Specifies the device from which the events are to be
sent\&.
.fi
.sp
.nf
destination
Specifies the window the event is to be sent to\&. You can
pass window id, PointerWindow,or InputFocus\&.
.fi
.sp
.nf
propagate
Specifies a Boolean value that is either True or False\&.
.fi
.sp
.nf
event_count
Specifies the count of XEventClasses in event_list\&.
.fi
.sp
.nf
event_list
Specifies the list of event selections to be used\&.
.fi
.sp
.nf
event_send
Specifies a pointer to the event that is to be sent\&.
.fi
.SH "DESCRIPTION"
.sp
.if n \{\
.RS 4
.\}
.nf
The XSendExtensionEvent request identifies the destination
window, determines which clients should receive the specified
events, and ignores any active grabs\&. This request requires you
to pass an event class list\&. For a discussion of the valid
event class names, see XOpenDevice(libmansuffix) This
request uses the w argument to identify the destination window
as follows:
* If w is PointerWindow,the destination window is the window
that contains the pointer\&.
* If w is InputFocusand if the focus window contains the
pointer,the destination window is the window that contains
the pointer; otherwise, the destination window is the focus
window\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
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To determine which clients should receive the specified events,
XSendExtensionEventuses the propagate argument as follows:
* If event_list is the empty set,the event is sent to the
client that created the destination window\&. If that client
no longer exists,no event is sent\&.
* If propagate is False,the event is sent to every client
selecting on destination any of the eventtypes specified by
the event_list array\&.
* If propagate is Trueand no clients have selected on
destination any ofthe events specified by the event_list
array,the destination is replaced with theclosest ancestor
of destination for which some client has selected atype
specified by the event\-list array and for which no
interveningwindow has that type in
itsdo\-not\-propagate\-mask\&. If no such window exists or if
the window isan ancestor of the focus window and
InputFocuswas originally specifiedas the destination, the
event is not sent to any clients\&. Otherwise, the event is
reported to every client selecting on the finaldestination
any of the events specified in the event_list array\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
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.nf
The event in the XEventstructure must be one of the events
defined by the input extension (or a BadValueerror results) so
that the X server can correctly byte\-swapthe contents as
necessary\&. The contents of the event areotherwise unaltered and
unchecked by the X server except to force send_event to Truein
the forwarded event and to set the serial number in the event
correctly\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
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.nf
XSendExtensionEventreturns zero if the conversion to wire
protocol format failedand returns nonzero
otherwise\&.XSendExtensionEventcan generate BadClass, BadDevice,
BadValue, and BadWindow errors\&.
.fi
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.RE
.\}
.SH "DIAGNOSTICS"
.sp
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.RS 4
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.nf
BadDevice
An invalid device was specified\&. The specified device
does not exist or has not been opened by this client via
XOpenInputDevice\&. This error may also occur if the
specified device is the X keyboard or X pointer device\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
BadValue
Some numeric value falls outside the range of values
accepted by the request\&. Unless a specific range is
specified for an argument, the full range defined by the
argument\*(Aqs type is accepted\&. Any argument defined as a
set of alternatives can generate this error\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
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.nf
BadWindow
A value for a Window argument does not name a defined
window\&.
.fi
.if n \{\
.RE
.\}