include/wx/x11/glcanvas.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/x11/glcanvas.h
   3 // Purpose:     wxGLCanvas, for using OpenGL with wxWidgets 2.0 for Motif.
   4 //              Uses the GLX extension.
   5 // Author:      Julian Smart and Wolfram Gloger
   6 // Modified by:
   7 // Created:     1995, 1999
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) Julian Smart, Wolfram Gloger
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef _WX_GLCANVAS_H_
  14 #define _WX_GLCANVAS_H_
  15
  16 #include "wx/defs.h"
  17
  18 #if wxUSE_GLCANVAS
  19
  20 #include "wx/gdicmn.h"
  21 #include "wx/palette.h"
  22 #include "wx/scrolwin.h"
  23
  24 #include <GL/glx.h>
  25
  26 //---------------------------------------------------------------------------
  27 // classes
  28 //---------------------------------------------------------------------------
  29
  30
  31 class WXDLLEXPORT wxGLContext: public wxObject
  32 {
  33 public:
  34     wxGLContext( bool isRGB, wxWindow *win,
  35         const wxPalette& palette = wxNullPalette );
  36     wxGLContext( bool WXUNUSED(isRGB), wxWindow *win,
  37         const wxPalette& WXUNUSED(palette),
  38         const wxGLContext *other  /* for sharing display lists */
  39         );
  40     virtual ~wxGLContext();
  41
  42     void SetCurrent();
  43     void SetColour(const wxChar *colour);
  44     void SwapBuffers();
  45
  46     void SetupPixelFormat();
  47     void SetupPalette(const wxPalette& palette);
  48     wxPalette CreateDefaultPalette();
  49
  50     inline wxPalette* GetPalette() const { return (wxPalette*) & m_palette; }
  51     inline wxWindow* GetWindow() const { return m_window; }
  52     // inline GtkWidget* GetWidget() const { return m_widget; }
  53     inline GLXContext GetContext() const { return m_glContext; }
  54
  55 public:
  56     GLXContext       m_glContext;
  57
  58     // GtkWidget       *m_widget;
  59     wxPalette        m_palette;
  60     wxWindow*        m_window;
  61
  62     DECLARE_CLASS(wxGLContext)
  63 };
  64
  65
  66 class WXDLLEXPORT wxGLCanvas: public wxScrolledWindow
  67 {
  68 public:
  69     inline wxGLCanvas() {
  70         m_glContext = (wxGLContext*) NULL;
  71         m_sharedContext = (wxGLContext*) NULL;
  72         // m_glWidget = (GtkWidget*) NULL;
  73         m_vi = (void*) NULL;
  74         // m_exposed = FALSE;
  75     }
  76     wxGLCanvas( wxWindow *parent, wxWindowID id = wxID_ANY,
  77         const wxPoint& pos = wxDefaultPosition,
  78         const wxSize& size = wxDefaultSize,
  79         long style = 0, const wxString& name = wxT("GLCanvas"),
  80         int *attribList = (int*) NULL,
  81         const wxPalette& palette = wxNullPalette );
  82     wxGLCanvas( wxWindow *parent, const wxGLContext *shared,
  83         wxWindowID id = wxID_ANY,
  84         const wxPoint& pos = wxDefaultPosition,
  85         const wxSize& size = wxDefaultSize,
  86         long style = 0, const wxString& name = wxT("GLCanvas"),
  87         int *attribList = (int*) NULL,
  88         const wxPalette& palette = wxNullPalette );
  89     wxGLCanvas( wxWindow *parent, const wxGLCanvas *shared,
  90         wxWindowID id = wxID_ANY,
  91         const wxPoint& pos = wxDefaultPosition,
  92         const wxSize& size = wxDefaultSize,
  93         long style = 0, const wxString& name = wxT("GLCanvas"),
  94         int *attribList = (int*) NULL,
  95         const wxPalette& palette = wxNullPalette );
  96
  97     bool Create( wxWindow *parent,
  98         const wxGLContext *shared = (wxGLContext*)NULL,
  99         const wxGLCanvas *shared_context_of = (wxGLCanvas*)NULL,
 100         wxWindowID id = wxID_ANY,
 101         const wxPoint& pos = wxDefaultPosition,
 102         const wxSize& size = wxDefaultSize,
 103         long style = 0, const wxString& name = wxT("GLCanvas"),
 104         int *attribList = (int*) NULL,
 105         const wxPalette& palette = wxNullPalette );
 106
 107     virtual ~wxGLCanvas();
 108
 109     void SetCurrent();
 110     void SetColour(const wxChar *colour);
 111     void SwapBuffers();
 112
 113     // void OnSize(wxSizeEvent& event);
 114
 115     // void OnInternalIdle();
 116
 117     inline wxGLContext* GetContext() const { return m_glContext; }
 118
 119     // implementation
 120
 121     wxGLContext      *m_glContext,
 122         *m_sharedContext;
 123     wxGLCanvas       *m_sharedContextOf;
 124     void             *m_vi;
 125     // GtkWidget        *m_glWidget;
 126     // bool              m_exposed;
 127
 128     DECLARE_EVENT_TABLE()
 129         DECLARE_CLASS(wxGLCanvas)
 130
 131 };
 132
 133 #endif
 134 //  wxUSE_GLCANVAS
 135
 136 #endif
 137 // _WX_GLCANVAS_H_