include/wx/mac/classic/glcanvas.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/mac/classic/glcanvas.h
   3 // Purpose:     wxGLCanvas, for using OpenGL with wxWidgets under Macintosh
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_GLCANVAS_H_
  13 #define _WX_GLCANVAS_H_
  14
  15 #include "wx/defs.h"
  16
  17 #if wxUSE_GLCANVAS
  18
  19 #include "wx/palette.h"
  20 #include "wx/scrolwin.h"
  21 #include "wx/app.h"
  22
  23 #ifdef __DARWIN__
  24 #  include <OpenGL/gl.h>
  25 #  include <AGL/agl.h>
  26 #else
  27 #  include <gl.h>
  28 #  include <agl.h>
  29 #endif
  30
  31 class WXDLLEXPORT wxGLCanvas;     /* forward reference */
  32
  33 class WXDLLEXPORT wxGLContext: public wxObject
  34 {
  35 public:
  36    wxGLContext(AGLPixelFormat fmt, wxGLCanvas *win,
  37                const wxPalette& WXUNUSED(palette),
  38                const wxGLContext *other        /* for sharing display lists */
  39     );
  40    virtual ~wxGLContext();
  41
  42    void SetCurrent();
  43    void Update();  // must be called after window drag/grows/zoom or clut change
  44    void SetColour(const wxChar *colour);
  45    void SwapBuffers();
  46
  47
  48    inline wxWindow* GetWindow() const { return m_window; }
  49    inline AGLDrawable GetDrawable() const { return m_drawable; }
  50
  51 public:
  52    AGLContext       m_glContext;
  53    AGLDrawable      m_drawable;
  54    wxWindow*        m_window;
  55 };
  56
  57 class WXDLLEXPORT wxGLCanvas: public wxWindow
  58 {
  59    DECLARE_CLASS(wxGLCanvas)
  60  public:
  61    wxGLCanvas(wxWindow *parent, wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition,
  62         const wxSize& size = wxDefaultSize, long style = 0,
  63         const wxString& name = wxT("GLCanvas") , int *attribList = 0, const wxPalette& palette = wxNullPalette);
  64    wxGLCanvas( wxWindow *parent, const wxGLContext *shared,
  65         wxWindowID id = wxID_ANY, const wxPoint& pos = wxDefaultPosition,
  66         const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = wxT("GLCanvas"),
  67           int *attribList = (int*) NULL, const wxPalette& palette = wxNullPalette );
  68
  69    wxGLCanvas( wxWindow *parent, const wxGLCanvas *shared, wxWindowID id = wxID_ANY,
  70         const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0,
  71         const wxString& name = wxT("GLCanvas"), int *attribList = 0, const wxPalette& palette = wxNullPalette );
  72
  73    virtual ~wxGLCanvas();
  74
  75    bool Create(wxWindow *parent, const wxGLContext *shared, wxWindowID id,
  76                const wxPoint& pos, const wxSize& size, long style, const wxString& name,
  77            int *attribList, const wxPalette& palette);
  78
  79    void SetCurrent();
  80    void SetColour(const wxChar *colour);
  81    void SwapBuffers();
  82    void UpdateContext();
  83    void SetViewport();
  84    virtual bool Show(bool show = true) ;
  85
  86    // Unlike some other platforms, this must get called if you override it.
  87    // It sets the viewport correctly and update the context.
  88    // You shouldn't call glViewport yourself either (use SetViewport if you must reset it.)
  89    void OnSize(wxSizeEvent& event);
  90
  91    virtual void MacSuperChangedPosition() ;
  92    virtual void MacTopLevelWindowChangedPosition() ;
  93    virtual void MacSuperShown( bool show ) ;
  94
  95    void MacUpdateView() ;
  96
  97    inline wxGLContext* GetContext() const { return m_glContext; }
  98
  99 protected:
 100     wxGLContext*   m_glContext;
 101     bool m_macCanvasIsShown ;
 102 DECLARE_EVENT_TABLE()
 103 };
 104
 105 #endif // wxUSE_GLCANVAS
 106 #endif // _WX_GLCANVAS_H_