[FIX] tool windows do not work properly on some specific window managers

src/qt4gui/WQtMessagePopup.cpp

@@ -57,6 +57,8 @@ WQtMessagePopup::WQtMessagePopup( QWidget* parent, const QString& title, const Q
 {
     setAutoClose( true );
 
+    setWindowRole( "MessagePopup" );
+
     // these settings seem to be ignored somehow
     setWindowModality( Qt::NonModal );
 

src/qt4gui/networkEditor/WQtNetworkItem.cpp

@@ -402,7 +402,8 @@ void WQtNetworkItem::mouseDoubleClickEvent( QGraphicsSceneMouseEvent* /* event *
             QScrollArea* sa = new QScrollArea( m_networkEditor );
             sa->setWidget( props );
             sa->setWidgetResizable( true );
-            sa->setWindowFlags( Qt::Tool );
+            sa->setWindowFlags( Qt::Window );
+            sa->setWindowRole( "Properties" );
             sa->setWindowTitle( QString::fromStdString( "Properties: " + name ) );
             sa->show();
             m_propertyToolWindow = sa;