rerender after redrawing of the window

Change-Id: Ia967ba08a9bd0499ae5fb0865492783834204963

chart2/source/view/charttypes/GL3DBarChart.cxx

@@ -33,10 +33,13 @@ GL3DBarChart::GL3DBarChart(
     mrWindow(rWindow),
     mrCatProvider(rCatProvider)
 {
+    mrWindow.setRenderer(this);
+    mpRenderer->init();
 }
 
 GL3DBarChart::~GL3DBarChart()
 {
+    mrWindow.setRenderer(NULL);
 }
 
 void GL3DBarChart::create3DShapes()
@@ -166,7 +169,6 @@ void GL3DBarChart::render()
 {
     mrWindow.getContext()->makeCurrent();
     Size aSize = mrWindow.GetSizePixel();
-    mpRenderer->init();
     mpRenderer->SetSize(aSize);
     mrWindow.getContext()->setWinSize(aSize);
     for(boost::ptr_vector<opengl3D::Renderable3DObject>::iterator itr = maShapes.begin(),
@@ -178,6 +180,16 @@ void GL3DBarChart::render()
     mrWindow.getContext()->swapBuffers();
 }
 
+void GL3DBarChart::update()
+{
+    render();
+}
+
+void GL3DBarChart::clickedAt(const Point& )
+{
+
+}
+
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

chart2/source/view/inc/GL3DBarChart.hxx

@@ -29,7 +29,7 @@ class OpenGL3DRenderer;
 
 }
 
-class GL3DBarChart : public GL3DPlotterBase
+class GL3DBarChart : public GL3DPlotterBase, public IRenderer
 {
 public:
     GL3DBarChart(
@@ -43,6 +43,10 @@ public:
 
     virtual void render() SAL_OVERRIDE;
 
+    virtual void update() SAL_OVERRIDE;
+
+    virtual void clickedAt(const Point& rPos) SAL_OVERRIDE;
+
 private:
     css::uno::Reference<css::chart2::XChartType> mxChartType;
     const boost::ptr_vector<VDataSeries>& maDataSeries;

include/vcl/openglwin.hxx

@@ -18,6 +18,14 @@
 class OpenGLContext;
 class OpenGLWindowImpl;
 
+class VCLOPENGL_DLLPUBLIC IRenderer
+{
+public:
+    virtual ~IRenderer() {}
+    virtual void update() = 0;
+    virtual void clickedAt(const Point& rPos) = 0;
+};
+
 // pImpl Pattern to avoid linking against OpenGL libs when using the class without the context
 class VCLOPENGL_DLLPUBLIC OpenGLWindow : public SystemChildWindow
 {
@@ -26,11 +34,14 @@ public:
     virtual ~OpenGLWindow();
     OpenGLContext* getContext();
 
-    virtual void Paint(const Rectangle&) SAL_OVERRIDE {}
+    void setRenderer(IRenderer* pRenderer);
+
+    virtual void Paint(const Rectangle&) SAL_OVERRIDE;
     virtual void MouseButtonDown( const MouseEvent& rMEvt ) SAL_OVERRIDE;
 
 private:
     boost::scoped_ptr<OpenGLWindowImpl> mpImpl;
+    IRenderer* mpRenderer;
 };
 
 #endif

vcl/source/window/openglwin.cxx

@@ -32,7 +32,8 @@ OpenGLContext* OpenGLWindowImpl::getContext()
 
 OpenGLWindow::OpenGLWindow(Window* pParent):
     SystemChildWindow(pParent, 0),
-    mpImpl(new OpenGLWindowImpl(this))
+    mpImpl(new OpenGLWindowImpl(this)),
+    mpRenderer(NULL)
 {
 }
 
@@ -45,6 +46,12 @@ OpenGLContext* OpenGLWindow::getContext()
     return mpImpl->getContext();
 }
 
+void OpenGLWindow::Paint(const Rectangle&)
+{
+    if(mpRenderer)
+        mpRenderer->update();
+}
+
 void OpenGLWindow::MouseButtonDown( const MouseEvent& rMEvt )
 {
     Point aPoint = rMEvt.GetPosPixel();
@@ -53,4 +60,9 @@ void OpenGLWindow::MouseButtonDown( const MouseEvent& rMEvt )
     SAL_WARN("vcl.opengl", aColor.GetColor());
 }
 
+void OpenGLWindow::setRenderer(IRenderer* pRenderer)
+{
+    mpRenderer = pRenderer;
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */