added workaround for QTBUG-7635 (issue 495)

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@2407 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 27 insertions, 0 deletions

diff --git a/src/qmmpui/uihelper.cpp b/src/qmmpui/uihelper.cpp
index 8a39e19a6..e0e3c05db 100644
--- a/src/qmmpui/uihelper.cpp
+++ b/src/qmmpui/uihelper.cpp
@@ -224,7 +224,34 @@ void UiHelper::toggleVisibility()
 
 void UiHelper::exit()
 {
+#if QT_VERSION < 0x040700
+    bool closed = true;
+    QWidget *w;
+
+    while ((w = qApp->activeModalWidget()) && closed)
+    {
+        if (!w->isVisible())
+            break;
+
+        closed = w->close();
+    }
+
+    QWidgetList list = qApp->topLevelWidgets();
+
+    while (closed && !list.isEmpty())
+    {
+        w = list.takeLast();
+
+        if (w->isVisible() && w->windowType() != Qt::Desktop)
+        {
+            closed = w->close();
+            list = qApp->topLevelWidgets();
+            list.removeOne(w);
+        }
+    }
+#else
     qApp->closeAllWindows();
+#endif
     qApp->quit();
 }