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comparison gtk3/dw.c @ 1479:1d414e81a099

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FIXME: Workaround on GTK for Compiz not sending property notify events for certain window styles causing a deadlock. Implement a timeout and if the timeout expires push the event back.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Thu, 22 Dec 2011 12:09:43 +0000
parents 9097a5eb144c
children 1ad57598f9cb
comparison
equal deleted inserted replaced
1478:7216f4301364 1479:1d414e81a099
8509 } 8509 }
8510 8510
8511 8511
8512 union extents_union { guchar **gu_extents; unsigned long **extents; }; 8512 union extents_union { guchar **gu_extents; unsigned long **extents; };
8513 static Atom extents_atom = 0; 8513 static Atom extents_atom = 0;
8514 static time_t extents_time = 0;
8514 8515
8515 static Bool property_notify_predicate(Display *xdisplay, XEvent *event, XPointer window_id) 8516 static Bool property_notify_predicate(Display *xdisplay, XEvent *event, XPointer window_id)
8516 { 8517 {
8517 unsigned long *window = (unsigned long *)window_id; 8518 unsigned long *window = (unsigned long *)window_id;
8518 8519 time_t currtime = time(NULL);
8519 if(event->xany.type == PropertyNotify && event->xany.window == *window && event->xproperty.atom == extents_atom) 8520
8521 /* If it is the event we are looking for... or if the timeout has expired */
8522 if((event->xany.type == PropertyNotify && event->xany.window == *window && event->xproperty.atom == extents_atom) ||
8523 (currtime - extents_time) > 1)
8520 return True; 8524 return True;
8521 return False; 8525 return False;
8522 } 8526 }
8523 8527
8524 /* Internal function to figure out the frame extents of an unmapped window */ 8528 /* Internal function to figure out the frame extents of an unmapped window */
8555 xevent.xclient.message_type = extents_request_atom; 8559 xevent.xclient.message_type = extents_request_atom;
8556 xevent.xclient.display = xdisplay; 8560 xevent.xclient.display = xdisplay;
8557 xevent.xclient.window = window_id; 8561 xevent.xclient.window = window_id;
8558 xevent.xclient.format = 32; 8562 xevent.xclient.format = 32;
8559 8563
8564 /* Send the property request */
8560 XSendEvent(xdisplay, xroot_window, False, 8565 XSendEvent(xdisplay, xroot_window, False,
8561 (SubstructureRedirectMask | SubstructureNotifyMask), 8566 (SubstructureRedirectMask | SubstructureNotifyMask),
8562 &xevent); 8567 &xevent);
8563 8568
8569 /* Record the request time */
8570 time(&extents_time);
8571
8572 /* Look for the property notify event */
8564 XIfEvent(xdisplay, &notify_xevent, property_notify_predicate, (XPointer)&window_id); 8573 XIfEvent(xdisplay, &notify_xevent, property_notify_predicate, (XPointer)&window_id);
8574
8575 /* If we didn't get the notification... put the event back onto the stack */
8576 if(notify_xevent.xany.type != PropertyNotify || notify_xevent.xany.window != window_id
8577 || notify_xevent.xproperty.atom != extents_atom)
8578 XPutBackEvent(xdisplay, &notify_xevent);
8565 } 8579 }
8566 8580
8567 /* Attempt to retrieve window's frame extents. */ 8581 /* Attempt to retrieve window's frame extents. */
8568 eu.extents = &extents; 8582 eu.extents = &extents;
8569 if(gdk_property_get(gdkwindow, 8583 if(gdk_property_get(gdkwindow,