Improve X11 'ProcessEvents()' with some code from the equivalent glib version

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit 9735ca1c135526e713a529640ed1ee2d1cdf48ca)

1 files changed, 17 insertions, 10 deletions

diff --git a/src/kernel/qeventloop_x11.cpp b/src/kernel/qeventloop_x11.cpp
index 163f8d771..a907a11e1 100644
--- a/src/kernel/qeventloop_x11.cpp
+++ b/src/kernel/qeventloop_x11.cpp
@@ -207,8 +207,7 @@ bool TQEventLoop::processEvents( ProcessEventsFlags flags )
     TQApplication::sendPostedEvents();
 
     const uint exclude_all = ExcludeSocketNotifiers | ExcludeTimers;
-    if ( nevents > 0 && ( flags & exclude_all ) == exclude_all &&
-	 ( flags & WaitForMore ) ) {
+    if ( nevents > 0 && ( flags & exclude_all ) == exclude_all && ( flags & WaitForMore ) ) {
 	return TRUE;
     }
 
@@ -221,12 +220,14 @@ bool TQEventLoop::processEvents( ProcessEventsFlags flags )
     static timeval zerotm;
     timeval *tm = 0;
     if ( ! ( flags & ExcludeTimers ) ) {
-	tm = qt_wait_timer();			// wait for TQt timers
-	if ( !canWait ) {
-	    if ( !tm )
-		tm = &zerotm;
-	    tm->tv_sec  = 0;			// no time to wait
-	    tm->tv_usec = 0;
+	if (TQApplication::isGuiThread()) {
+	    tm = qt_wait_timer();			// wait for TQt timers
+	    if ( !canWait ) {
+		if ( !tm )
+		    tm = &zerotm;
+		tm->tv_sec  = 0;			// no time to wait
+		tm->tv_usec = 0;
+	    }
 	}
     }
 
@@ -391,7 +392,9 @@ bool TQEventLoop::processEvents( ProcessEventsFlags flags )
 
     // activate timers
     if ( ! ( flags & ExcludeTimers ) ) {
-	nevents += activateTimers();
+	if (TQApplication::isGuiThread()) {
+	    nevents += activateTimers();
+	}
     }
 
     // color approx. optimization - only on X11
@@ -403,8 +406,12 @@ bool TQEventLoop::processEvents( ProcessEventsFlags flags )
 
 bool TQEventLoop::hasPendingEvents() const
 {
+#ifdef TQT_THREAD_SUPPORT
+	TQMutexLocker locker( TQApplication::tqt_mutex );
+#endif // TQT_THREAD_SUPPORT
+
     extern uint qGlobalPostedEventsCount(); // from qapplication.cpp
-    return ( qGlobalPostedEventsCount() || XPending( TQPaintDevice::x11AppDisplay() ) );
+    return ( qGlobalPostedEventsCount() || ( (tqt_is_gui_used && TQApplication::isGuiThread())  ? XPending( TQPaintDevice::x11AppDisplay() ) : 0));
 }
 
 void TQEventLoop::appStartingUp()