src/x11/glcanvas.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/x11/glcanvas.cpp
   3 // Purpose:     wxGLCanvas, for using OpenGL with wxWidgets
   4 //              Uses the GLX extension.
   5 // Author:      Julian Smart and Wolfram Gloger
   6 // Modified by: Vadim Zeitlin to update to new API
   7 // Created:     1995, 1999
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) Julian Smart, Wolfram Gloger
  10 // Licence:     wxWindows licence
  11 ///////////////////////////////////////////////////////////////////////////////
  12
  13 // TODO: merge this with wxGTK version in some src/unix/glcanvasx11.cpp
  14
  15 // ============================================================================
  16 // declarations
  17 // ============================================================================
  18
  19 // ----------------------------------------------------------------------------
  20 // headers
  21 // ----------------------------------------------------------------------------
  22
  23 // for compilers that support precompilation, includes "wx.h".
  24 #include "wx/wxprec.h"
  25
  26 #if defined(__BORLANDC__)
  27     #pragma hdrstop
  28 #endif
  29
  30 #if wxUSE_GLCANVAS
  31
  32 #include "wx/glcanvas.h"
  33
  34 #ifndef WX_PRECOMP
  35     #include "wx/app.h"
  36     #include "wx/utils.h"
  37 #endif
  38
  39 // ============================================================================
  40 // implementation
  41 // ============================================================================
  42
  43 IMPLEMENT_CLASS(wxGLCanvas, wxWindow)
  44
  45 wxGLCanvas::wxGLCanvas(wxWindow *parent,
  46                        wxWindowID id,
  47                        const int *attribList,
  48                        const wxPoint& pos,
  49                        const wxSize& size,
  50                        long style,
  51                        const wxString& name,
  52                        const wxPalette& palette)
  53 {
  54     Create(parent, id, pos, size, style, name, attribList, palette);
  55 }
  56
  57 bool wxGLCanvas::Create(wxWindow *parent,
  58                         wxWindowID id,
  59                         const wxPoint& pos,
  60                         const wxSize& size,
  61                         long style,
  62                         const wxString& name,
  63                         const int *attribList,
  64                         const wxPalette& palette)
  65 {
  66     if ( !wxWindow::Create(parent, id, pos, size, style, name) )
  67         return false;
  68
  69     if ( !InitVisual(attribList) )
  70         return false;
  71
  72     return true;
  73 }
  74
  75 Window wxGLCanvas::GetXWindow() const
  76 {
  77     return (Window)
  78 #ifdef __WXMOTIF__
  79         GetClientXWindow();
  80 #else
  81         GetClientAreaWindow();
  82 #endif
  83 }
  84
  85 int wxGLCanvas::GetColourIndex(const wxColour& col_)
  86 {
  87     wxColour& col = wx_const_cast(wxColour&, col_);
  88
  89 #ifdef __WXMOTIF__
  90     col.AllocColour(GetXDisplay());
  91 #else
  92     col.CalcPixel(wxTheApp->GetMainColormap(wxGetDisplay()));
  93 #endif
  94
  95     return col.GetPixel();
  96 }
  97
  98 #endif // wxUSE_GLCANVAS