213 lines
5.4 KiB
Groff
213 lines
5.4 KiB
Groff
.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1994, 1996 X Consortium
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.\"
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.\" Permission is hereby granted, free of charge, to any person obtaining
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.\" a copy of this software and associated documentation files (the
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.\" "Software"), to deal in the Software without restriction, including
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.\" without limitation the rights to use, copy, modify, merge, publish,
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.\" distribute, sublicense, and/or sell copies of the Software, and to
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.\" permit persons to whom the Software is furnished to do so, subject to
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.\" the following conditions:
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.\"
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.\" The above copyright notice and this permission notice shall be included
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.\" in all copies or substantial portions of the Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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.\" IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
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.\" OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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.\" ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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.\" OTHER DEALINGS IN THE SOFTWARE.
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.\"
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.\" Except as contained in this notice, the name of the X Consortium shall
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.\" not be used in advertising or otherwise to promote the sale, use or
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.\" other dealings in this Software without prior written authorization
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.\" from the X Consortium.
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.\"
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.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
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.\" Digital Equipment Corporation
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.\"
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.\" Portions Copyright \(co 1990, 1991 by
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.\" Tektronix, Inc.
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.\"
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.\" Permission to use, copy, modify and distribute this documentation for
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.\" any purpose and without fee is hereby granted, provided that the above
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.\" copyright notice appears in all copies and that both that copyright notice
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.\" and this permission notice appear in all copies, and that the names of
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.\" Digital and Tektronix not be used in in advertising or publicity pertaining
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.\" to this documentation without specific, written prior permission.
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.\" Digital and Tektronix makes no representations about the suitability
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.\" of this documentation for any purpose.
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.\" It is provided ``as is'' without express or implied warranty.
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.\"
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.\"
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.ds xT X Toolkit Intrinsics \- C Language Interface
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.ds xW Athena X Widgets \- C Language X Toolkit Interface
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.ds xL Xlib \- C Language X Interface
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.ds xC Inter-Client Communication Conventions Manual
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.na
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.de Ds
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.nf
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.\\$1D \\$2 \\$1
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.ft 1
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.TH XSelectInput __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
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.SH NAME
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XSelectInput \- select input events
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.SH SYNTAX
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.HP
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int XSelectInput\^(\^Display *\fIdisplay\fP\^, Window \fIw\fP\^, long
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\fIevent_mask\fP\^);
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.SH ARGUMENTS
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.IP \fIdisplay\fP 1i
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Specifies the connection to the X server.
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.IP \fIevent_mask\fP 1i
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Specifies the event mask.
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.ds Wi whose events you are interested in
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.IP \fIw\fP 1i
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Specifies the window \*(Wi.
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.SH DESCRIPTION
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The
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.ZN XSelectInput
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function requests that the X server report the events associated with the
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specified event mask.
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Initially, X will not report any of these events.
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Events are reported relative to a window.
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If a window is not interested in a device event, it usually propagates to
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the closest ancestor that is interested,
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unless the do_not_propagate mask prohibits it.
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.IN "Event" "propagation"
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.LP
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Setting the event-mask attribute of a window overrides any previous call
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for the same window but not for other clients.
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Multiple clients can select for the same events on the same window
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with the following restrictions:
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.IP \(bu 5
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Multiple clients can select events on the same window because their event masks
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are disjoint.
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When the X server generates an event, it reports it
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to all interested clients.
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.IP \(bu 5
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Only one client at a time can select
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.ZN CirculateRequest ,
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.ZN ConfigureRequest ,
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or
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.ZN MapRequest
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events, which are associated with
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the event mask
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.ZN SubstructureRedirectMask .
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.IP \(bu 5
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Only one client at a time can select
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a
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.ZN ResizeRequest
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event, which is associated with
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the event mask
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.ZN ResizeRedirectMask .
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.IP \(bu 5
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Only one client at a time can select a
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.ZN ButtonPress
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event, which is associated with
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the event mask
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.ZN ButtonPressMask .
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.LP
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The server reports the event to all interested clients.
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.LP
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.ZN XSelectInput
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can generate a
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.ZN BadWindow
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error.
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.SH DIAGNOSTICS
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.TP 1i
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.ZN BadWindow
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A value for a Window argument does not name a defined Window.
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.SH "SEE ALSO"
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\fI\*(xL\fP
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