utils/glcanvas/gtk/glcanvas.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        glcanvas.h
   3 // Purpose:     wxGLCanvas, for using OpenGL/Mesa with wxWindows and GTK
   4 // Author:      Robert Roebling
   5 // Modified by:
   6 // Created:     17/8/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Robert Roebling
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma interface "glcanvas.h"
  14 #endif
  15
  16 #ifndef _WX_GLCANVAS_H_
  17 #define _WX_GLCANVAS_H_
  18
  19 #include "wx/defs.h"
  20 #include "wx/scrolwin.h"
  21
  22 extern "C" {
  23 #include "GL/gl.h"
  24 #include "GL/glx.h"
  25 #include "GL/glu.h"
  26 }
  27
  28 //---------------------------------------------------------------------------
  29 // classes
  30 //---------------------------------------------------------------------------
  31
  32 class wxGLContext;
  33 class wxGLCanvas;
  34
  35 //---------------------------------------------------------------------------
  36 // wxGLContext
  37 //---------------------------------------------------------------------------
  38
  39
  40 class wxGLContext: public wxObject
  41 {
  42   DECLARE_CLASS(wxGLContext)
  43
  44   public:
  45
  46     wxGLContext( bool isRGB, wxWindow *win, const wxPalette& palette = wxNullPalette );
  47     ~wxGLContext();
  48
  49     void SetCurrent();
  50     void SetColour(const char *colour);
  51     void SwapBuffers();
  52
  53     void SetupPixelFormat();
  54     void SetupPalette(const wxPalette& palette);
  55     wxPalette CreateDefaultPalette();
  56
  57     inline wxPalette* GetPalette() const { return (wxPalette*) & m_palette; }
  58     inline wxWindow* GetWindow() const { return m_window; }
  59     inline GtkWidget* GetWidget() const { return m_widget; }
  60     inline GLXContext GetContext() const { return m_glContext; }
  61
  62  public:
  63
  64    GLXContext       m_glContext;
  65
  66    GtkWidget       *m_widget;
  67    wxPalette        m_palette;
  68    wxWindow*        m_window;
  69 };
  70
  71 //---------------------------------------------------------------------------
  72 // wxGLContext
  73 //---------------------------------------------------------------------------
  74
  75 class wxGLCanvas: public wxScrolledWindow
  76 {
  77    DECLARE_CLASS(wxGLCanvas)
  78
  79  public:
  80    wxGLCanvas( wxWindow *parent, wxWindowID id = -1,
  81         const wxPoint& pos = wxDefaultPosition,
  82         const wxSize& size = wxDefaultSize,
  83         long style = 0, const wxString& name = "GLCanvas",
  84         int *attribList = (int*) NULL,
  85         const wxPalette& palette = wxNullPalette );
  86
  87    bool Create( wxWindow *parent, wxWindowID id = -1,
  88         const wxPoint& pos = wxDefaultPosition,
  89         const wxSize& size = wxDefaultSize,
  90         long style = 0, const wxString& name = "GLCanvas",
  91         int *attribList = (int*) NULL,
  92         const wxPalette& palette = wxNullPalette );
  93
  94    ~wxGLCanvas();
  95
  96    void SetCurrent();
  97    void SetColour(const char *colour);
  98    void SwapBuffers();
  99
 100    void OnSize(wxSizeEvent& event);
 101
 102    inline wxGLContext* GetContext() const { return m_glContext; }
 103
 104  // implementation
 105
 106     virtual void DoSetSize( int x, int y, int width, int height,
 107       int sizeFlags = wxSIZE_AUTO );
 108
 109     virtual GtkWidget *GetConnectWidget();
 110     bool IsOwnGtkWindow( GdkWindow *window );
 111
 112     wxGLContext      *m_glContext;
 113     GtkWidget        *m_glWidget;
 114
 115   DECLARE_EVENT_TABLE()
 116 };
 117
 118 #endif