Use event loop for Qt >= 3.1

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@9936 a592a061-630c-0410-9148-cb99ea01b6c8

src/frontends/qt2/ChangeLog

@@ -1,3 +1,8 @@
+2005-05-11  Jean-Marc Lasgouttes  <lasgouttes@lyx.org>
+
+	* lyx_gui.C (sync_events):
+	* QMathDialog.C (resizeEvent): use event loop for qt >= 3.1
+
 2005-05-11  Martin Vermeer  <martin.vermeer@hut.fi>
 
 	* lyx_gui.C (sync_events):

src/frontends/qt2/QMathDialog.C

@@ -20,6 +20,9 @@
 
 #include <qwidgetstack.h>
 #include <qcombobox.h>
+#if QT_VERSION >= 0x030100
+#include <qeventloop.h>
+#endif
 #include <qpushbutton.h>
 #include <qlistbox.h>
 #include <qpopupmenu.h>
@@ -53,6 +56,9 @@ protected:
 
 		w_->resize(viewport()->width(), w_->height());
 		// force the resize to get accurate scrollbar
+#if QT_VERSION >= 0x030100
+		qApp->eventLoop()->processEvents(QEventLoop::ExcludeUserInput);
+#endif
 		resizeContents(w_->width(), w_->height());
 	}
 private:

src/frontends/qt2/lyx_gui.C

@@ -51,6 +51,9 @@
 #endif
 
 #include <qapplication.h>
+#if QT_VERSION >= 0x030100
+#include <qeventloop.h>
+#endif
 #include <qpaintdevicemetrics.h>
 #include <qtranslator.h>
 #include <qtextcodec.h>
@@ -256,7 +259,9 @@ void sync_events()
 	// During screen update/ redraw, this method is disabled to 
 	// prevent keyboard events being handed to the LyX core, where
 	// they could cause re-entrant calls to screen update.
-	qApp->processEvents();
+#if QT_VERSION >= 0x030100
+	qApp->eventLoop()->processEvents(QEventLoop::ExcludeUserInput);
+#endif
 }