+From 873ef3430e92b0756c0dbe5033f6aec38a20d6ad Mon Sep 17 00:00:00 2001
+From: Peter Hutterer <peter.hutterer@who-t.net>
+Date: Wed, 16 Dec 2009 13:43:22 +1000
+Subject: [PATCH] dix: if owner-events is true for passive grabs, add the window mask (#25400)
+
+A client requesting a GrabModeSync button grab, owner-events true, with only
+the ButtonRelease mask set would never receive the press event even if the
+grab window had the ButtonPress mask set.
+
+The protocol requires that if owner-events is true, then the delivery mask
+is the combination of the grab mask + the window event mask.
+
+X.Org Bug 25400 <http://bugs.freedesktop.org/show_bug.cgi?id=25400>
+
+Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
+---
+ dix/events.c | 36 ++++++++++++++++++++++++++++++++++++
+ 1 files changed, 36 insertions(+), 0 deletions(-)
+
+diff --git a/dix/events.c b/dix/events.c
+index 7e0867c..12b12a8 100644
+--- a/dix/events.c
++++ b/dix/events.c
+@@ -3590,6 +3590,8 @@ CheckPassiveGrabsOnWindow(
+ xE = &core;
+ count = 1;
+ mask = grab->eventMask;
++ if (grab->ownerEvents)
++ mask |= pWin->eventMask;
+ } else if (match & XI2_MATCH)
+ {
+ rc = EventToXI2((InternalEvent*)event, &xE);
+@@ -3611,6 +3613,24 @@ CheckPassiveGrabsOnWindow(
+ mask = grab->xi2mask[device->id][((xGenericEvent*)xE)->evtype/8];
+ else if (event->type == XI_Enter || event->type == XI_FocusIn)
+ mask = grab->xi2mask[device->id][event->type/8];
++
++ if (grab->ownerEvents && wOtherInputMasks(grab->window))
++ {
++ InputClientsPtr icp =
++ wOtherInputMasks(grab->window)->inputClients;
++
++ while(icp)
++ {
++ if (rClient(icp) == rClient(grab))
++ {
++ int evtype = (xE) ? ((xGenericEvent*)xE)->evtype : event->type;
++ mask |= icp->xi2mask[device->id][evtype/8];
++ break;
++ }
++
++ icp = icp->next;
++ }
++ }
+ } else
+ {
+ rc = EventToXI((InternalEvent*)event, &xE, &count);
+@@ -3622,6 +3642,22 @@ CheckPassiveGrabsOnWindow(
+ continue;
+ }
+ mask = grab->eventMask;
++ if (grab->ownerEvents && wOtherInputMasks(grab->window))
++ {
++ InputClientsPtr icp =
++ wOtherInputMasks(grab->window)->inputClients;
++
++ while(icp)
++ {
++ if (rClient(icp) == rClient(grab))
++ {
++ mask |= icp->mask[device->id];
++ break;
++ }
++
++ icp = icp->next;
++ }
++ }
+ }
+
+ (*grabinfo->ActivateGrab)(device, grab, currentTime, TRUE);
+--
+1.6.5.2
+