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