Description: Honor QEventLoop::ExcludeSocketNotifiers in glib event loop.
 Implements QEventLoop::ExcludeSocketNotifiers in the same way 
 QEventLoop::X11ExcludeTimers is already implemented for the glib
 event loop.
 Fixes crash in Libreoffice with KDE theme
Forwarded: https://codereview.qt-project.org/#change,80528
Bug-Qt: https://bugreports.qt-project.org/browse/QTBUG-37380
Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/qt4-x11/+bug/1290514
Author: Jan-Marek Glogowski <glogow@fbihome.de>
Last-Update: 2014-03-11

Index: qt4-x11-4.8.5+git192-g085f851+dfsg/src/corelib/kernel/qeventdispatcher_glib.cpp
===================================================================
--- qt4-x11-4.8.5+git192-g085f851+dfsg.orig/src/corelib/kernel/qeventdispatcher_glib.cpp	2014-03-11 13:28:12.330924177 +0000
+++ qt4-x11-4.8.5+git192-g085f851+dfsg/src/corelib/kernel/qeventdispatcher_glib.cpp	2014-03-11 13:28:12.314924177 +0000
@@ -65,6 +65,7 @@
 struct GSocketNotifierSource
 {
     GSource source;
+    QEventLoop::ProcessEventsFlags processEventsFlags;
     QList<GPollFDWithQSocketNotifier *> pollfds;
 };
 
@@ -80,6 +81,9 @@
     GSocketNotifierSource *src = reinterpret_cast<GSocketNotifierSource *>(source);
 
     bool pending = false;
+    if (src->processEventsFlags & QEventLoop::ExcludeSocketNotifiers)
+        return pending;
+
     for (int i = 0; !pending && i < src->pollfds.count(); ++i) {
         GPollFDWithQSocketNotifier *p = src->pollfds.at(i);
 
@@ -103,6 +107,9 @@
     QEvent event(QEvent::SockAct);
 
     GSocketNotifierSource *src = reinterpret_cast<GSocketNotifierSource *>(source);
+    if (src->processEventsFlags & QEventLoop::ExcludeSocketNotifiers)
+        return true;
+
     for (int i = 0; i < src->pollfds.count(); ++i) {
         GPollFDWithQSocketNotifier *p = src->pollfds.at(i);
 
@@ -331,6 +338,7 @@
         reinterpret_cast<GSocketNotifierSource *>(g_source_new(&socketNotifierSourceFuncs,
                                                                sizeof(GSocketNotifierSource)));
     (void) new (&socketNotifierSource->pollfds) QList<GPollFDWithQSocketNotifier *>();
+    socketNotifierSource->processEventsFlags = QEventLoop::AllEvents;
     g_source_set_can_recurse(&socketNotifierSource->source, true);
     g_source_attach(&socketNotifierSource->source, mainContext);
 
@@ -416,6 +424,7 @@
     // tell postEventSourcePrepare() and timerSource about any new flags
     QEventLoop::ProcessEventsFlags savedFlags = d->timerSource->processEventsFlags;
     d->timerSource->processEventsFlags = flags;
+    d->socketNotifierSource->processEventsFlags = flags;
 
     if (!(flags & QEventLoop::EventLoopExec)) {
         // force timers to be sent at normal priority
@@ -427,6 +436,7 @@
         result = g_main_context_iteration(d->mainContext, canWait);
 
     d->timerSource->processEventsFlags = savedFlags;
+    d->socketNotifierSource->processEventsFlags = savedFlags;
 
     if (canWait)
         emit awake();