1 .\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1994, 1996 X Consortium
3 .\" Permission is hereby granted, free of charge, to any person obtaining
4 .\" a copy of this software and associated documentation files (the
5 .\" "Software"), to deal in the Software without restriction, including
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7 .\" distribute, sublicense, and/or sell copies of the Software, and to
8 .\" permit persons to whom the Software is furnished to do so, subject to
9 .\" the following conditions:
11 .\" The above copyright notice and this permission notice shall be included
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14 .\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 .\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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17 .\" IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 .\" OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 .\" ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 .\" OTHER DEALINGS IN THE SOFTWARE.
22 .\" Except as contained in this notice, the name of the X Consortium shall
23 .\" not be used in advertising or otherwise to promote the sale, use or
24 .\" other dealings in this Software without prior written authorization
25 .\" from the X Consortium.
27 .\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
28 .\" Digital Equipment Corporation
30 .\" Portions Copyright \(co 1990, 1991 by
33 .\" Permission to use, copy, modify and distribute this documentation for
34 .\" any purpose and without fee is hereby granted, provided that the above
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39 .\" Digital and Tektronix makes no representations about the suitability
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41 .\" It is provided ``as is'' without express or implied warranty.
44 .ds xT X Toolkit Intrinsics \- C Language Interface
45 .ds xW Athena X Widgets \- C Language X Toolkit Interface
46 .ds xL Xlib \- C Language X Interface
47 .ds xC Inter-Client Communication Conventions Manual
54 .\".if \\n(VS>=40 .vs \\n(VSu
55 .\".if \\n(VS<=39 .vs \\n(VSp
78 .de IN \" send an index entry to the stderr
85 .\" choose appropriate monospace font
86 .\" the imagen conditional, 480,
87 .\" may be changed to L if LB is too
88 .\" heavy for your eyes...
90 .ie "\\*(.T"480" .ft L
91 .el .ie "\\*(.T"300" .ft L
92 .el .ie "\\*(.T"202" .ft PO
93 .el .ie "\\*(.T"aps" .ft CW
96 .ie \\n(VS>40 .vs \\n(VSu
104 .ie t \\$1\fB\^\\$2\^\fR\\$3
105 .el \\$1\fI\^\\$2\^\fP\\$3
108 .ie t \fB\^\\$1\^\fR\\$2
109 .el \fI\^\\$1\^\fP\\$2
112 .ie t <\fB\\$1\fR>\\$2
118 .if \\n(.$>$1 .if !'\\$2'C' .ds NO \\$2
119 .if \\n(.$ .if !'\\$1'C' .ds NO \\$1
133 . \" Note End -- doug kraft 3/85
142 .TH XNextEvent __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
144 XNextEvent, XPeekEvent, XWindowEvent, XCheckWindowEvent, XMaskEvent, XCheckMaskEvent, XCheckTypedEvent, XCheckTypedWindowEvent \- select events by type
147 int XNextEvent\^(\^Display *\fIdisplay\fP\^, XEvent *\fIevent_return\fP\^);
149 int XPeekEvent\^(\^Display *\fIdisplay\fP\^, XEvent *\fIevent_return\fP\^);
151 int XWindowEvent\^(\^Display *\fIdisplay\fP\^, Window \fIw\fP\^, long
152 \fIevent_mask\fP\^, XEvent *\fIevent_return\fP\^);
154 Bool XCheckWindowEvent\^(\^Display *\fIdisplay\fP\^, Window \fIw\fP\^, long
155 \fIevent_mask\fP\^, XEvent *\fIevent_return\fP\^);
157 int XMaskEvent\^(\^Display *\fIdisplay\fP\^, long \fIevent_mask\fP\^, XEvent
158 *\fIevent_return\fP\^);
160 Bool XCheckMaskEvent\^(\^Display *\fIdisplay\fP\^, long \fIevent_mask\fP\^,
161 XEvent *\fIevent_return\fP\^);
163 Bool XCheckTypedEvent\^(\^Display *\fIdisplay\fP\^, int \fIevent_type\fP\^,
164 XEvent *\fIevent_return\fP\^);
166 Bool XCheckTypedWindowEvent\^(\^Display *\fIdisplay\fP\^, Window \fIw\fP\^,
167 int \fIevent_type\fP\^, XEvent *\fIevent_return\fP\^);
170 Specifies the connection to the X server.
171 .IP \fIevent_mask\fP 1i
172 Specifies the event mask.
173 .IP \fIevent_return\fP 1i
174 Returns the matched event's associated structure.
175 .IP \fIevent_return\fP 1i
176 Returns the next event in the queue.
177 .IP \fIevent_return\fP 1i
178 Returns a copy of the matched event's associated structure.
179 .IP \fIevent_type\fP 1i
180 Specifies the event type to be compared.
182 .ds Wi \ whose event uou are interested in
184 Specifies the window \*(Wi.
188 function copies the first event from the event queue into the specified
190 structure and then removes it from the queue.
191 If the event queue is empty,
193 flushes the output buffer and blocks until an event is received.
197 function returns the first event from the event queue,
198 but it does not remove the event from the queue.
199 If the queue is empty,
201 flushes the output buffer and blocks until an event is received.
202 It then copies the event into the client-supplied
204 structure without removing it from the event queue.
208 function searches the event queue for an event that matches both the specified
209 window and event mask.
210 When it finds a match,
212 removes that event from the queue and copies it into the specified
215 The other events stored in the queue are not discarded.
216 If a matching event is not in the queue,
218 flushes the output buffer and blocks until one is received.
221 .ZN XCheckWindowEvent
222 function searches the event queue and then the events available
223 on the server connection for the first event that matches the specified window
226 .ZN XCheckWindowEvent
227 removes that event, copies it into the specified
229 structure, and returns
231 The other events stored in the queue are not discarded.
232 If the event you requested is not available,
233 .ZN XCheckWindowEvent
236 and the output buffer will have been flushed.
240 function searches the event queue for the events associated with the
242 When it finds a match,
244 removes that event and copies it into the specified
247 The other events stored in the queue are not discarded.
248 If the event you requested is not in the queue,
250 flushes the output buffer and blocks until one is received.
254 function searches the event queue and then any events available on the
255 server connection for the first event that matches the specified mask.
258 removes that event, copies it into the specified
260 structure, and returns
262 The other events stored in the queue are not discarded.
263 If the event you requested is not available,
267 and the output buffer will have been flushed.
271 function searches the event queue and then any events available
272 on the server connection for the first event that matches the specified type.
275 removes that event, copies it into the specified
277 structure, and returns
279 The other events in the queue are not discarded.
280 If the event is not available,
284 and the output buffer will have been flushed.
287 .ZN XCheckTypedWindowEvent
288 function searches the event queue and then any events available
289 on the server connection for the first event that matches the specified
292 .ZN XCheckTypedWindowEvent
293 removes the event from the queue, copies it into the specified
295 structure, and returns
297 The other events in the queue are not discarded.
298 If the event is not available,
299 .ZN XCheckTypedWindowEvent
302 and the output buffer will have been flushed.
304 XAnyEvent(__libmansuffix__),
305 XIfEvent(__libmansuffix__),
306 XPutBackEvent(__libmansuffix__),
307 XSendEvent(__libmansuffix__)