4 * This event handling stuff was inspired on Tk.
9 #include "../src/config.h"
11 #include <sys/types.h>
21 #ifdef HAVE_SYS_SELECT_H
22 # include <sys/select.h>
27 #ifndef X_GETTIMEOFDAY
28 #define X_GETTIMEOFDAY(t) gettimeofday(t, (struct timezone*)0)
36 typedef struct TimerHandler
{
37 WMCallback
*callback
; /* procedure to call */
38 struct timeval when
; /* when to call the callback */
40 struct TimerHandler
*next
;
41 int nextDelay
; /* 0 if it's one-shot */
45 typedef struct IdleHandler
{
51 typedef struct InputHandler
{
52 WMInputProc
*callback
;
59 /* table to map event types to event masks */
60 static unsigned long eventMasks
[] = {
63 KeyPressMask
, /* KeyPress */
64 KeyReleaseMask
, /* KeyRelease */
65 ButtonPressMask
, /* ButtonPress */
66 ButtonReleaseMask
, /* ButtonRelease */
67 PointerMotionMask
|PointerMotionHintMask
|ButtonMotionMask
68 |Button1MotionMask
|Button2MotionMask
|Button3MotionMask
69 |Button4MotionMask
|Button5MotionMask
,
71 EnterWindowMask
, /* EnterNotify */
72 LeaveWindowMask
, /* LeaveNotify */
73 FocusChangeMask
, /* FocusIn */
74 FocusChangeMask
, /* FocusOut */
75 KeymapStateMask
, /* KeymapNotify */
76 ExposureMask
, /* Expose */
77 ExposureMask
, /* GraphicsExpose */
78 ExposureMask
, /* NoExpose */
79 VisibilityChangeMask
, /* VisibilityNotify */
80 SubstructureNotifyMask
, /* CreateNotify */
81 StructureNotifyMask
, /* DestroyNotify */
82 StructureNotifyMask
, /* UnmapNotify */
83 StructureNotifyMask
, /* MapNotify */
84 SubstructureRedirectMask
, /* MapRequest */
85 StructureNotifyMask
, /* ReparentNotify */
86 StructureNotifyMask
, /* ConfigureNotify */
87 SubstructureRedirectMask
, /* ConfigureRequest */
88 StructureNotifyMask
, /* GravityNotify */
89 ResizeRedirectMask
, /* ResizeRequest */
90 StructureNotifyMask
, /* CirculateNotify */
91 SubstructureRedirectMask
, /* CirculateRequest */
92 PropertyChangeMask
, /* PropertyNotify */
93 0, /* SelectionClear */
94 0, /* SelectionRequest */
95 0, /* SelectionNotify */
96 ColormapChangeMask
, /* ColormapNotify */
97 ClientMessageMask
, /* ClientMessage */
98 0, /* Mapping Notify */
103 /* queue of timer event handlers */
104 static TimerHandler
*timerHandler
=NULL
;
106 static WMBag
*idleHandler
=NULL
;
108 static WMBag
*inputHandler
=NULL
;
110 /* hook for other toolkits or wmaker process their events */
111 static WMEventHook
*extraEventHandler
=NULL
;
115 #define timerPending() (timerHandler)
120 rightNow(struct timeval
*tv
) {
124 /* is t1 after t2 ? */
125 #define IS_AFTER(t1, t2) (((t1).tv_sec > (t2).tv_sec) || \
126 (((t1).tv_sec == (t2).tv_sec) \
127 && ((t1).tv_usec > (t2).tv_usec)))
129 #define IS_ZERO(tv) (tv.tv_sec == 0 && tv.tv_usec == 0)
131 #define SET_ZERO(tv) tv.tv_sec = 0, tv.tv_usec = 0
134 addmillisecs(struct timeval
*tv
, int milliseconds
)
136 tv
->tv_usec
+= milliseconds
*1000;
138 tv
->tv_sec
+= tv
->tv_usec
/1000000;
139 tv
->tv_usec
= tv
->tv_usec
%1000000;
144 enqueueTimerHandler(TimerHandler
*handler
)
148 /* insert callback in queue, sorted by time left */
149 if (!timerHandler
|| !IS_AFTER(handler
->when
, timerHandler
->when
)) {
150 /* first in the queue */
151 handler
->next
= timerHandler
;
152 timerHandler
= handler
;
155 while (tmp
->next
&& IS_AFTER(handler
->when
, tmp
->next
->when
)) {
158 handler
->next
= tmp
->next
;
165 WMAddTimerHandler(int milliseconds
, WMCallback
*callback
, void *cdata
)
167 TimerHandler
*handler
;
169 handler
= malloc(sizeof(TimerHandler
));
173 rightNow(&handler
->when
);
174 addmillisecs(&handler
->when
, milliseconds
);
175 handler
->callback
= callback
;
176 handler
->clientData
= cdata
;
177 handler
->nextDelay
= 0;
179 enqueueTimerHandler(handler
);
186 WMAddEternalTimerHandler(int milliseconds
, WMCallback
*callback
, void *cdata
)
188 TimerHandler
*handler
= WMAddTimerHandler(milliseconds
, callback
, cdata
);
191 handler
->nextDelay
= milliseconds
;
199 WMDeleteTimerWithClientData(void *cdata
)
201 TimerHandler
*handler
, *tmp
;
203 if (!cdata
|| !timerHandler
)
207 if (tmp
->clientData
==cdata
) {
209 if (!IS_ZERO(tmp
->when
)) {
210 timerHandler
= tmp
->next
;
215 if (tmp
->next
->clientData
==cdata
) {
217 handler
->nextDelay
= 0;
218 if (IS_ZERO(handler
->when
))
220 tmp
->next
= handler
->next
;
232 WMDeleteTimerHandler(WMHandlerID handlerID
)
234 TimerHandler
*tmp
, *handler
=(TimerHandler
*)handlerID
;
236 if (!handler
|| !timerHandler
)
241 handler
->nextDelay
= 0;
243 if (IS_ZERO(handler
->when
))
247 timerHandler
= handler
->next
;
251 if (tmp
->next
==handler
) {
252 tmp
->next
=handler
->next
;
264 WMAddIdleHandler(WMCallback
*callback
, void *cdata
)
266 IdleHandler
*handler
;
268 handler
= malloc(sizeof(IdleHandler
));
272 handler
->callback
= callback
;
273 handler
->clientData
= cdata
;
274 /* add handler at end of queue */
276 idleHandler
= WMCreateBag(16);
278 WMPutInBag(idleHandler
, handler
);
285 WMDeleteIdleHandler(WMHandlerID handlerID
)
287 IdleHandler
*handler
= (IdleHandler
*)handlerID
;
290 if (!handler
|| !idleHandler
)
293 pos
= WMGetFirstInBag(idleHandler
, handler
);
294 if (pos
!= WBNotFound
) {
296 WMDeleteFromBag(idleHandler
, pos
);
303 WMAddInputHandler(int fd
, int condition
, WMInputProc
*proc
, void *clientData
)
305 InputHandler
*handler
;
307 handler
= wmalloc(sizeof(InputHandler
));
310 handler
->mask
= condition
;
311 handler
->callback
= proc
;
312 handler
->clientData
= clientData
;
315 inputHandler
= WMCreateBag(16);
316 WMPutInBag(inputHandler
, handler
);
324 WMDeleteInputHandler(WMHandlerID handlerID
)
326 InputHandler
*handler
= (InputHandler
*)handlerID
;
329 if (!handler
|| !inputHandler
)
332 pos
= WMGetFirstInBag(inputHandler
, handler
);
333 if (pos
!= WBNotFound
) {
335 WMDeleteFromBag(inputHandler
, pos
);
344 IdleHandler
*handler
;
349 if (!idleHandler
|| WMGetBagItemCount(idleHandler
)==0) {
350 W_FlushIdleNotificationQueue();
351 /* make sure an observer in queue didn't added an idle handler */
352 return (idleHandler
!=NULL
&& WMGetBagItemCount(idleHandler
)>0);
355 handlerCopy
= WMCreateBag(WMGetBagItemCount(idleHandler
));
356 WMAppendBag(handlerCopy
, idleHandler
);
358 for (handler
= WMBagFirst(handlerCopy
, &iter
);
360 handler
= WMBagNext(handlerCopy
, &iter
)) {
361 /* check if the handler still exist or was removed by a callback */
362 if (WMGetFirstInBag(idleHandler
, handler
) == WBNotFound
)
365 (*handler
->callback
)(handler
->clientData
);
366 WMDeleteIdleHandler(handler
);
369 WMFreeBag(handlerCopy
);
371 W_FlushIdleNotificationQueue();
373 /* this is not necesarrily False, because one handler can re-add itself */
374 return (WMGetBagItemCount(idleHandler
)>0);
382 TimerHandler
*handler
;
386 W_FlushASAPNotificationQueue();
392 handler
= timerHandler
;
393 while (handler
&& IS_AFTER(now
, handler
->when
)) {
394 if (!IS_ZERO(handler
->when
)) {
395 SET_ZERO(handler
->when
);
396 (*handler
->callback
)(handler
->clientData
);
398 handler
= handler
->next
;
401 while (timerHandler
&& IS_ZERO(handler
->when
)) {
402 handler
= timerHandler
;
403 timerHandler
= timerHandler
->next
;
405 if (handler
->nextDelay
> 0) {
407 addmillisecs(&handler
->when
, handler
->nextDelay
);
408 enqueueTimerHandler(handler
);
414 W_FlushASAPNotificationQueue();
420 delayUntilNextTimerEvent(struct timeval
*delay
)
425 /* The return value of this function is only valid if there _are_
433 if (IS_AFTER(now
, timerHandler
->when
)) {
437 delay
->tv_sec
= timerHandler
->when
.tv_sec
- now
.tv_sec
;
438 delay
->tv_usec
= timerHandler
->when
.tv_usec
- now
.tv_usec
;
439 if (delay
->tv_usec
< 0) {
440 delay
->tv_usec
+= 1000000;
450 * WMCreateEventHandler--
451 * Create an event handler and put it in the event handler list for the
452 * view. If the same callback and clientdata are already used in another
453 * handler, the masks are swapped.
457 WMCreateEventHandler(WMView
*view
, unsigned long mask
, WMEventProc
*eventProc
,
460 W_EventHandler
*handler
, *ptr
;
461 unsigned long eventMask
;
468 WM_ITERATE_BAG(view
->eventHandlers
, ptr
, iter
) {
469 if (ptr
->clientData
== clientData
&& ptr
->proc
== eventProc
) {
471 eventMask
|= ptr
->eventMask
;
475 handler
= wmalloc(sizeof(W_EventHandler
));
477 WMPutInBag(view
->eventHandlers
, handler
);
479 /* select events for window */
480 handler
->eventMask
= eventMask
;
481 handler
->proc
= eventProc
;
482 handler
->clientData
= clientData
;
487 * WMDeleteEventHandler--
488 * Delete event handler matching arguments from windows
489 * event handler list.
493 WMDeleteEventHandler(WMView
*view
, unsigned long mask
, WMEventProc
*eventProc
,
496 W_EventHandler
*handler
, *ptr
;
501 WM_ITERATE_BAG(view
->eventHandlers
, ptr
, iter
) {
502 if (ptr
->eventMask
== mask
&& ptr
->proc
== eventProc
503 && ptr
->clientData
== clientData
) {
512 WMRemoveFromBag(view
->eventHandlers
, handler
);
520 W_CleanUpEvents(WMView
*view
)
525 WM_ITERATE_BAG(view
->eventHandlers
, ptr
, iter
) {
533 getEventTime(WMScreen
*screen
, XEvent
*event
)
535 switch (event
->type
) {
538 return event
->xbutton
.time
;
541 return event
->xkey
.time
;
543 return event
->xmotion
.time
;
546 return event
->xcrossing
.time
;
548 return event
->xproperty
.time
;
550 return event
->xselectionclear
.time
;
551 case SelectionRequest
:
552 return event
->xselectionrequest
.time
;
553 case SelectionNotify
:
554 return event
->xselection
.time
;
556 return screen
->lastEventTime
;
562 W_CallDestroyHandlers(W_View
*view
)
566 W_EventHandler
*hPtr
;
568 event
.type
= DestroyNotify
;
569 event
.xdestroywindow
.window
= view
->window
;
570 event
.xdestroywindow
.event
= view
->window
;
572 WM_ITERATE_BAG(view
->eventHandlers
, hPtr
, iter
) {
573 if (hPtr
->eventMask
& StructureNotifyMask
) {
574 (*hPtr
->proc
)(&event
, hPtr
->clientData
);
582 WMSetViewNextResponder(WMView
*view
, WMView
*responder
)
584 /* set the widget to receive keyboard events that aren't handled
587 view
->nextResponder
= responder
;
592 WMRelayToNextResponder(WMView
*view
, XEvent
*event
)
594 unsigned long mask
= eventMasks
[event
->xany
.type
];
596 if (view
->nextResponder
) {
597 WMView
*next
= view
->nextResponder
;
598 W_EventHandler
*hPtr
;
601 WM_ITERATE_BAG(next
->eventHandlers
, hPtr
, iter
) {
602 if ((hPtr
->eventMask
& mask
)) {
603 (*hPtr
->proc
)(event
, hPtr
->clientData
);
611 WMHandleEvent(XEvent
*event
)
613 W_EventHandler
*hPtr
;
614 W_View
*view
, *vPtr
, *toplevel
;
619 if (event
->type
== MappingNotify
) {
620 XRefreshKeyboardMapping(&event
->xmapping
);
624 mask
= eventMasks
[event
->xany
.type
];
626 window
= event
->xany
.window
;
628 /* diferentiate SubstructureNotify with StructureNotify */
629 if (mask
== StructureNotifyMask
) {
630 if (event
->xmap
.event
!= event
->xmap
.window
) {
631 mask
= SubstructureNotifyMask
;
632 window
= event
->xmap
.event
;
635 view
= W_GetViewForXWindow(event
->xany
.display
, window
);
638 if (extraEventHandler
)
639 (extraEventHandler
)(event
);
644 view
->screen
->lastEventTime
= getEventTime(view
->screen
, event
);
646 toplevel
= W_TopLevelOfView(view
);
648 if (event
->type
== SelectionNotify
|| event
->type
== SelectionClear
649 || event
->type
== SelectionRequest
) {
650 /* handle selection related events */
651 W_HandleSelectionEvent(event
);
653 } else if (event
->type
== ClientMessage
) {
655 W_HandleDNDClientMessage(toplevel
, &event
->xclient
);
658 /* if it's a key event, redispatch it to the focused control */
659 if (mask
& (KeyPressMask
|KeyReleaseMask
)) {
660 W_View
*focused
= W_FocusedViewOfToplevel(toplevel
);
667 /* compress Motion events */
668 if (event
->type
== MotionNotify
&& !view
->flags
.dontCompressMotion
) {
669 while (XPending(event
->xmotion
.display
)) {
671 XPeekEvent(event
->xmotion
.display
, &ev
);
672 if (ev
.type
== MotionNotify
673 && event
->xmotion
.window
== ev
.xmotion
.window
674 && event
->xmotion
.subwindow
== ev
.xmotion
.subwindow
) {
676 XNextEvent(event
->xmotion
.display
, event
);
681 /* compress expose events */
682 if (event
->type
== Expose
&& !view
->flags
.dontCompressExpose
) {
683 while (XCheckTypedWindowEvent(event
->xexpose
.display
, view
->window
,
688 if (view
->screen
->modalLoop
&& toplevel
!=view
->screen
->modalView
689 && !toplevel
->flags
.worksWhenModal
) {
690 if (event
->type
== KeyPress
|| event
->type
== KeyRelease
691 || event
->type
== MotionNotify
|| event
->type
== ButtonPress
692 || event
->type
== ButtonRelease
693 || event
->type
== FocusIn
|| event
->type
== FocusOut
) {
698 /* do balloon stuffs */
699 if (event
->type
== EnterNotify
)
700 W_BalloonHandleEnterView(view
);
701 else if (event
->type
== LeaveNotify
)
702 W_BalloonHandleLeaveView(view
);
704 /* This is a hack. It will make the panel be secure while
705 * the event handlers are handled, as some event handler
706 * might destroy the widget. */
707 W_RetainView(toplevel
);
709 WM_ITERATE_BAG(view
->eventHandlers
, hPtr
, iter
) {
710 if ((hPtr
->eventMask
& mask
)) {
711 (*hPtr
->proc
)(event
, hPtr
->clientData
);
715 /* pass the event to the top level window of the widget */
716 /* TODO: change this to a responder chain */
717 if (view
->parent
!= NULL
) {
719 while (vPtr
->parent
!= NULL
)
722 WM_ITERATE_BAG(vPtr
->eventHandlers
, hPtr
, iter
) {
723 if (hPtr
->eventMask
& mask
) {
724 (*hPtr
->proc
)(event
, hPtr
->clientData
);
729 /* save button click info to track double-clicks */
730 if (view
->screen
->ignoreNextDoubleClick
) {
731 view
->screen
->ignoreNextDoubleClick
= 0;
733 if (event
->type
== ButtonPress
) {
734 view
->screen
->lastClickWindow
= event
->xbutton
.window
;
735 view
->screen
->lastClickTime
= event
->xbutton
.time
;
739 W_ReleaseView(toplevel
);
746 WMIsDoubleClick(XEvent
*event
)
750 if (event
->type
!= ButtonPress
)
753 view
= W_GetViewForXWindow(event
->xany
.display
, event
->xbutton
.window
);
758 if (view
->screen
->lastClickWindow
!= event
->xbutton
.window
)
761 if (event
->xbutton
.time
- view
->screen
->lastClickTime
762 < WINGsConfiguration
.doubleClickDelay
) {
763 view
->screen
->lastClickTime
= 0;
764 view
->screen
->lastClickWindow
= None
;
765 view
->screen
->ignoreNextDoubleClick
= 1;
773 W_WaitForEvent(Display
*dpy
, unsigned long xeventmask
)
775 #if defined(HAVE_POLL) && defined(HAVE_POLL_H) && !defined(HAVE_SELECT)
777 InputHandler
*handler
;
778 int count
, timeout
, nfds
, i
, retval
;
781 nfds
= WMGetBagItemCount(inputHandler
);
785 fds
= wmalloc(nfds
+1 * sizeof(struct pollfd
));
786 /* put this to the end of array to avoid using ranges from 1 to nfds+1 */
787 fds
[nfds
].fd
= ConnectionNumber(dpy
);
788 fds
[nfds
].events
= POLLIN
;
790 for (i
= 0; i
<nfds
; i
++) {
791 handler
= WMGetFromBag(inputHandler
, i
);
792 fds
[i
].fd
= handler
->fd
;
794 if (handler
->mask
& WIReadMask
)
795 fds
[i
].events
|= POLLIN
;
797 if (handler
->mask
& WIWriteMask
)
798 fds
[i
].events
|= POLLOUT
;
801 if (handler
->mask
& WIExceptMask
)
802 FD_SET(handler
->fd
, &eset
);
807 * Setup the select() timeout to the estimated time until the
808 * next timer expires.
810 if (timerPending()) {
812 delayUntilNextTimerEvent(&tv
);
813 timeout
= tv
.tv_sec
* 1000 + tv
.tv_usec
/ 1000;
823 if (XCheckMaskEvent(dpy
, xeventmask
, &ev
)) {
824 XPutBackEvent(dpy
, &ev
);
829 count
= poll(fds
, nfds
, timeout
);
831 if (count
>0 && nfds
>0) {
832 WMBag
*handlerCopy
= WMCreateBag(nfds
);
834 for (i
=0; i
<nfds
; i
++)
835 WMPutInBag(handlerCopy
, WMGetFromBag(inputHandler
, i
));
837 for (i
=0; i
<nfds
; i
++) {
840 handler
= WMGetFromBag(handlerCopy
, i
);
841 /* check if the handler still exist or was removed by a callback */
842 if (WMGetFirstInBag(inputHandler
, handler
) == WBNotFound
)
847 if ((handler
->mask
& WIReadMask
) &&
848 (fds
[i
].revents
& (POLLIN
|POLLRDNORM
|POLLRDBAND
|POLLPRI
)))
851 if ((handler
->mask
& WIWriteMask
) &&
852 (fds
[i
].revents
& (POLLOUT
| POLLWRBAND
)))
855 if ((handler
->mask
& WIExceptMask
) &&
856 (fds
[i
].revents
& (POLLHUP
| POLLNVAL
| POLLERR
)))
857 mask
|= WIExceptMask
;
859 if (mask
!=0 && handler
->callback
) {
860 (*handler
->callback
)(handler
->fd
, mask
,
861 handler
->clientData
);
865 WMFreeBag(handlerCopy
);
868 retval
= fds
[nfds
].revents
& (POLLIN
|POLLRDNORM
|POLLRDBAND
|POLLPRI
);
871 W_FlushASAPNotificationQueue();
874 #else /* not HAVE_POLL */
876 struct timeval timeout
;
877 struct timeval
*timeoutPtr
;
878 fd_set rset
, wset
, eset
;
881 InputHandler
*handler
;
887 FD_SET(ConnectionNumber(dpy
), &rset
);
888 maxfd
= ConnectionNumber(dpy
);
891 nfds
= WMGetBagItemCount(inputHandler
);
895 for (i
=0; i
<nfds
; i
++) {
896 handler
= WMGetFromBag(inputHandler
, i
);
897 if (handler
->mask
& WIReadMask
)
898 FD_SET(handler
->fd
, &rset
);
900 if (handler
->mask
& WIWriteMask
)
901 FD_SET(handler
->fd
, &wset
);
903 if (handler
->mask
& WIExceptMask
)
904 FD_SET(handler
->fd
, &eset
);
906 if (maxfd
< handler
->fd
)
912 * Setup the select() timeout to the estimated time until the
913 * next timer expires.
915 if (timerPending()) {
916 delayUntilNextTimerEvent(&timeout
);
917 timeoutPtr
= &timeout
;
919 timeoutPtr
= (struct timeval
*)0;
928 if (XCheckMaskEvent(dpy
, xeventmask
, &ev
)) {
929 XPutBackEvent(dpy
, &ev
);
934 count
= select(1 + maxfd
, &rset
, &wset
, &eset
, timeoutPtr
);
936 if (count
>0 && nfds
>0) {
937 WMBag
*handlerCopy
= WMCreateBag(nfds
);
939 for (i
=0; i
<nfds
; i
++)
940 WMPutInBag(handlerCopy
, WMGetFromBag(inputHandler
, i
));
942 for (i
=0; i
<nfds
; i
++) {
945 handler
= WMGetFromBag(handlerCopy
, i
);
946 /* check if the handler still exist or was removed by a callback */
947 if (WMGetFirstInBag(inputHandler
, handler
) == WBNotFound
)
952 if ((handler
->mask
& WIReadMask
) && FD_ISSET(handler
->fd
, &rset
))
955 if ((handler
->mask
& WIWriteMask
) && FD_ISSET(handler
->fd
, &wset
))
958 if ((handler
->mask
& WIExceptMask
) && FD_ISSET(handler
->fd
, &eset
))
959 mask
|= WIExceptMask
;
961 if (mask
!=0 && handler
->callback
) {
962 (*handler
->callback
)(handler
->fd
, mask
,
963 handler
->clientData
);
967 WMFreeBag(handlerCopy
);
970 W_FlushASAPNotificationQueue();
972 return FD_ISSET(ConnectionNumber(dpy
), &rset
);
973 #else /* not HAVE_SELECT, not HAVE_POLL */
974 Neither select nor poll
. You lose
.
975 #endif /* HAVE_SELECT */
976 #endif /* HAVE_POLL */
981 WMNextEvent(Display
*dpy
, XEvent
*event
)
983 /* Check any expired timers */
984 checkTimerHandlers();
986 while (XPending(dpy
) == 0) {
988 /* Do idle and timer stuff while there are no timer or X events */
989 while (XPending(dpy
) == 0 && checkIdleHandlers()) {
990 /* dispatch timer events */
991 checkTimerHandlers();
995 * Make sure that new events did not arrive while we were doing
996 * timer/idle stuff. Or we might block forever waiting for
997 * an event that already arrived.
999 /* wait for something to happen or a timer to expire */
1000 W_WaitForEvent(dpy
, 0);
1002 /* Check any expired timers */
1003 checkTimerHandlers();
1006 XNextEvent(dpy
, event
);
1011 WMMaskEvent(Display
*dpy
, long mask
, XEvent
*event
)
1013 unsigned long milliseconds
;
1014 struct timeval timeout
;
1015 struct timeval
*timeoutOrInfty
;
1018 while (!XCheckMaskEvent(dpy
, mask
, event
)) {
1019 /* Do idle stuff while there are no timer or X events */
1020 while (checkIdleHandlers()) {
1021 if (XCheckMaskEvent(dpy
, mask
, event
))
1026 * Setup the select() timeout to the estimated time until the
1027 * next timer expires.
1029 if (timerPending()) {
1030 delayUntilNextTimerEvent(&timeout
);
1031 timeoutOrInfty
= &timeout
;
1033 timeoutOrInfty
= (struct timeval
*)0;
1036 if (XCheckMaskEvent(dpy
, mask
, event
))
1039 /* Wait for input on the X connection socket */
1041 FD_SET(ConnectionNumber(dpy
), &readset
);
1042 select(1 + ConnectionNumber(dpy
), &readset
, (fd_set
*)0, (fd_set
*)0,
1045 /* Check any expired timers */
1046 checkTimerHandlers();
1052 * Cant use this because XPending() will make W_WaitForEvent
1053 * return even if the event in the queue is not what we want,
1054 * and if we block until some new event arrives from the
1055 * server, other events already in the queue (like Expose)
1059 WMMaskEvent(Display
*dpy
, long mask
, XEvent
*event
)
1061 while (!XCheckMaskEvent(dpy
, mask
, event
)) {
1062 /* Do idle stuff while there are no timer or X events */
1063 while (checkIdleHandlers()) {
1064 if (XCheckMaskEvent(dpy
, mask
, event
))
1068 /* Wait for input on the X connection socket */
1069 W_WaitForEvent(dpy
, mask
);
1071 /* Check any expired timers */
1072 checkTimerHandlers();
1078 WMScreenPending(WMScreen
*scr
)
1080 if (XPending(scr
->display
))
1088 WMHookEventHandler(WMEventHook
*handler
)
1090 WMEventHook
*oldHandler
= extraEventHandler
;
1092 extraEventHandler
= handler
;