GTK's toolbar class has no OnPaint

Added missing bitmap in mdi sample
  Added OpenGL support (I Get segv on
   my Debian/Mesa system, don't know why).


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@568 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/glcanvas/src/glcanvas.h

@@ -0,0 +1,98 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        glcanvas.h
+// Purpose:     wxGLCanvas, for using OpenGL/Mesa with wxWindows and GTK
+// Author:      Robert Roebling
+// Modified by:
+// Created:     17/8/98
+// RCS-ID:      $Id$
+// Copyright:   (c) Robert Roebling
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma interface "glcanvas.h"
+#endif
+
+#ifndef _WX_GLCANVAS_H_
+#define _WX_GLCANVAS_H_
+
+#include "wx/defs.h"
+#include "wx/scrolwin.h"
+
+#include "GL/gl.h"
+#include "GL/glx.h"
+#include "GL/glu.h"
+
+//---------------------------------------------------------------------------
+// classes
+//---------------------------------------------------------------------------
+
+class wxGLContext;
+class wxGLCanvas;
+
+//---------------------------------------------------------------------------
+// wxGLContext
+//---------------------------------------------------------------------------
+
+
+class wxGLContext: public wxObject
+{
+  DECLARE_CLASS(wxGLContext)
+   
+  public:
+  
+    wxGLContext( bool isRGB, wxWindow *win, const wxPalette& palette = wxNullPalette );
+    ~wxGLContext();
+
+    void SetCurrent();
+    void SetColour(const char *colour);
+    void SwapBuffers();
+
+    void SetupPixelFormat();
+    void SetupPalette(const wxPalette& palette);
+    wxPalette CreateDefaultPalette();
+
+    inline wxPalette* GetPalette() const { return (wxPalette*) & m_palette; }
+    inline wxWindow* GetWindow() const { return m_window; }
+    inline GtkWidget* GetWidget() const { return m_widget; }
+    inline GLXContext GetContext() const { return m_glContext; }
+
+ public:
+
+   GLXContext       m_glContext;
+
+   GtkWidget       *m_widget;
+   wxPalette        m_palette;
+   wxWindow*        m_window;
+};
+
+//---------------------------------------------------------------------------
+// wxGLContext
+//---------------------------------------------------------------------------
+
+class wxGLCanvas: public wxScrolledWindow
+{
+   DECLARE_CLASS(wxGLCanvas)
+   
+ public:
+   wxGLCanvas(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
+        const wxSize& size = wxDefaultSize, long style = 0,
+        const wxString& name = "GLCanvas", int *attribList = 0, const wxPalette& palette = wxNullPalette);
+   ~wxGLCanvas();
+
+   void SetCurrent();
+   void SetColour(const char *colour);
+   void SwapBuffers();
+
+   void OnSize(wxSizeEvent& event);
+
+   inline wxGLContext* GetContext() const { return m_glContext; }
+
+  protected:
+  
+    wxGLContext*   m_glContext;  // this is typedef-ed ptr, in fact
+
+  DECLARE_EVENT_TABLE()
+};
+
+#endif