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author | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
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committer | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
commit | f4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch) | |
tree | 2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/lib/X11/IfEvent.c.X.original | |
parent | a840692edc9c6d19cd7c057f68e39c7d95eb767d (diff) | |
download | nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.bz2 nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.zip |
Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:
Imported nx-X11-3.1.0-1.tar.gz
into Git repository
Diffstat (limited to 'nx-X11/lib/X11/IfEvent.c.X.original')
-rw-r--r-- | nx-X11/lib/X11/IfEvent.c.X.original | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/nx-X11/lib/X11/IfEvent.c.X.original b/nx-X11/lib/X11/IfEvent.c.X.original new file mode 100644 index 000000000..55e7829ca --- /dev/null +++ b/nx-X11/lib/X11/IfEvent.c.X.original @@ -0,0 +1,75 @@ +/* $Xorg: IfEvent.c,v 1.4 2001/02/09 02:03:34 xorgcvs Exp $ */ +/* + +Copyright 1986, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +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. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ +/* $XFree86: xc/lib/X11/IfEvent.c,v 1.4 2001/12/14 19:54:01 dawes Exp $ */ + +#define NEED_EVENTS +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "Xlibint.h" + +/* + * Flush output and (wait for and) return the next event matching the + * predicate in the queue. + */ + +int +XIfEvent (dpy, event, predicate, arg) + register Display *dpy; + Bool (*predicate)( + Display* /* display */, + XEvent* /* event */, + char* /* arg */ + ); /* function to call */ + register XEvent *event; + char *arg; +{ + register _XQEvent *qelt, *prev; + unsigned long qe_serial = 0; + + LockDisplay(dpy); + prev = NULL; + while (1) { + for (qelt = prev ? prev->next : dpy->head; + qelt; + prev = qelt, qelt = qelt->next) { + if(qelt->qserial_num > qe_serial + && (*predicate)(dpy, &qelt->event, arg)) { + *event = qelt->event; + _XDeq(dpy, prev, qelt); + UnlockDisplay(dpy); + return 0; + } + } + if (prev) + qe_serial = prev->qserial_num; + _XReadEvents(dpy); + if (prev && prev->qserial_num != qe_serial) + /* another thread has snatched this event */ + prev = NULL; + } +} |