The update of transformation matrices is now forced when pushing/popping navigation controls.

GLViewer/GLViewer.cpp

@@ -253,6 +253,39 @@ void GLViewer::init( DisplayDoF dof )
 }
 
 
+void GLViewer::pushNavigationControl( NavigationControl* ctrl )
+{
+    assert( ctrl != NULL );
+    m_NavigationCtrl.push_front(ctrl);
+    m_MustUpdateFocal = true;
+    m_MustUpdateViewMatrix = true;
+    update();
+}
+
+
+void GLViewer::popNavigationControl()
+{
+    if( !m_NavigationCtrl.empty() )
+    {
+        delete m_NavigationCtrl.front();
+        m_NavigationCtrl.pop_front();
+        m_MustUpdateFocal = true;
+        m_MustUpdateViewMatrix = true;
+        update();
+    }
+}
+
+
+void GLViewer::clearNavigationControlStack()
+{
+    while( !m_NavigationCtrl.empty() )
+    {
+        delete m_NavigationCtrl.front();
+        m_NavigationCtrl.pop_front();
+    }
+}
+
+
 void GLViewer::setRenderState( const RenderState& state )
 {
     m_View = state;

GLViewer/GLViewer.h

@@ -255,9 +255,9 @@ public:
     void                                        setRenderState( const RenderState& state );
 
     inline NavigationControl*                   navigationControl() const                                       { return m_NavigationCtrl.empty()? NULL : m_NavigationCtrl.front(); }
-    inline void                                 pushNavigationControl( NavigationControl* ctrl )                { m_NavigationCtrl.push_front(ctrl); }
-    inline void                                 popNavigationControl()                                          { if( !m_NavigationCtrl.empty() ) { delete m_NavigationCtrl.front(); m_NavigationCtrl.pop_front(); } }
-    inline void                                 clearNavigationControlStack()                                   { while( !m_NavigationCtrl.empty() ) popNavigationControl(); }
+    void                                        pushNavigationControl( NavigationControl* ctrl );
+    void                                        popNavigationControl();
+    void                                        clearNavigationControlStack();
 
     inline QVector2D                            screenPosToClipCoord( const QPoint &screenPos )                 { return QVector2D( 2.0f*screenPos.x()/width()-1.0f, 1.0f-2.0f*screenPos.y()/height() ); }