Fix broken and missing DataView interface items for Phoenix

[wxWidgets.git] / src / gtk / glcanvas.cpp

diff --git a/src/gtk/glcanvas.cpp b/src/gtk/glcanvas.cpp
index c7bdfbfd19d82650c9e0e228f0cbd3ee4a805d7b..bdeb7d0cc6fc1ca3d3b7574847f4cea2db1e6a16 100644 (file)
--- a/src/gtk/glcanvas.cpp
+++ b/src/gtk/glcanvas.cpp
@@ -16,95 +16,9 @@
 
 #include "wx/glcanvas.h"
 
 
 #include "wx/glcanvas.h"
 

-#ifndef WX_PRECOMP
-    #include "wx/app.h"
-    #include "wx/frame.h"
-    #include "wx/colour.h"
-    #include "wx/module.h"
-#endif // WX_PRECOMP
-
-extern "C"
-{
-#include "gtk/gtk.h"
-#include "gdk/gdk.h"
-#include "gdk/gdkx.h"
-}
-
-#include "wx/gtk/win_gtk.h"
-#include "wx/gtk/private.h"
-
-//---------------------------------------------------------------------------
-// global data
-//---------------------------------------------------------------------------
-
-XVisualInfo *g_vi = (XVisualInfo*) NULL;
-
-// ----------------------------------------------------------------------------
-// helper functions
-// ----------------------------------------------------------------------------
-
-// wrapper around glXMakeContextCurrent/glXMakeCurrent depending on GLX
-// version
-static void wxMakeContextCurrent(GLXDrawable drawable, GLXContext context)
-{
-    if (wxGLCanvas::GetGLXVersion() >= 13)
-        glXMakeContextCurrent( GDK_DISPLAY(), drawable, drawable, context);
-    else // GLX <= 1.2 doesn't have glXMakeContextCurrent()
-        glXMakeCurrent( GDK_DISPLAY(), drawable, context);
-}
-
-//---------------------------------------------------------------------------
-// wxGLContext
-//---------------------------------------------------------------------------
-
-IMPLEMENT_CLASS(wxGLContext,wxObject)
-
-wxGLContext::wxGLContext(wxWindow* win, const wxGLContext* other)
-{
-    wxGLCanvas *gc = (wxGLCanvas*) win;
-
-    if (wxGLCanvas::GetGLXVersion() >= 13)
-    {
-        GLXFBConfig *fbc = gc->m_fbc;
-        wxCHECK_RET( fbc, _T("invalid GLXFBConfig for OpenGl") );
-        m_glContext = glXCreateNewContext( GDK_DISPLAY(), fbc[0], GLX_RGBA_TYPE,
-                                           other ? other->m_glContext : None,
-                                           GL_TRUE );
-    }
-    else // GLX <= 1.2
-    {
-        XVisualInfo *vi = (XVisualInfo *) gc->m_vi;
-        wxCHECK_RET( vi, _T("invalid visual for OpenGl") );
-        m_glContext = glXCreateContext( GDK_DISPLAY(), vi,
-                                        other ? other->m_glContext : None,
-                                        GL_TRUE );
-    }
-
-    wxASSERT_MSG( m_glContext, _T("Couldn't create OpenGl context") );
-}
-
-wxGLContext::~wxGLContext()
-{
-    if ( !m_glContext )
-        return;
-
-    if ( m_glContext == glXGetCurrentContext() )
-        wxMakeContextCurrent(None, NULL);
-
-    glXDestroyContext( GDK_DISPLAY(), m_glContext );
-}
-
-void wxGLContext::SetCurrent(const wxGLCanvas& win) const
-{
-    if ( !m_glContext )
-        return;
-
-    GdkWindow *window = GTK_PIZZA(win.m_wxwindow)->bin_window;
-    wxCHECK_RET( window, _T("window must be shown") );
-
-    wxMakeContextCurrent(GDK_WINDOW_XWINDOW(window), m_glContext);
-}
-
+#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+#include "wx/gtk/private/gtk2-compat.h"

 
 #if WXWIN_COMPATIBILITY_2_8
 
 
 #if WXWIN_COMPATIBILITY_2_8
 


@@ -113,12 +27,10 @@ void wxGLContext::SetCurrent(const wxGLCanvas& win) const
 //-----------------------------------------------------------------------------
 
 extern "C" {
 //-----------------------------------------------------------------------------
 
 extern "C" {

-static gint
+static void

 gtk_glwindow_realized_callback( GtkWidget *WXUNUSED(widget), wxGLCanvas *win )
 {
     win->GTKInitImplicitContext();
 gtk_glwindow_realized_callback( GtkWidget *WXUNUSED(widget), wxGLCanvas *win )
 {
     win->GTKInitImplicitContext();

-
-    return FALSE;

 }
 }
 
 }
 }
 


@@ -128,31 +40,44 @@ gtk_glwindow_realized_callback( GtkWidget *WXUNUSED(widget), wxGLCanvas *win )
 // "map" from m_wxwindow
 //-----------------------------------------------------------------------------
 
 // "map" from m_wxwindow
 //-----------------------------------------------------------------------------
 

+#ifndef __WXGTK3__

 extern "C" {
 extern "C" {

-static gint
+static void

 gtk_glwindow_map_callback( GtkWidget * WXUNUSED(widget), wxGLCanvas *win )
 {
     wxPaintEvent event( win->GetId() );
     event.SetEventObject( win );
 gtk_glwindow_map_callback( GtkWidget * WXUNUSED(widget), wxGLCanvas *win )
 {
     wxPaintEvent event( win->GetId() );
     event.SetEventObject( win );

-    win->GetEventHandler()->ProcessEvent( event );
+    win->HandleWindowEvent( event );

 
     win->m_exposed = false;
     win->GetUpdateRegion().Clear();
 
     win->m_exposed = false;
     win->GetUpdateRegion().Clear();

-
-    return FALSE;

 }
 }
 }
 }

+#endif

 
 //-----------------------------------------------------------------------------
 // "expose_event" of m_wxwindow
 //-----------------------------------------------------------------------------
 
 extern "C" {
 
 //-----------------------------------------------------------------------------
 // "expose_event" of m_wxwindow
 //-----------------------------------------------------------------------------
 
 extern "C" {

+#ifdef __WXGTK3__
+static gboolean draw(GtkWidget*, cairo_t* cr, wxGLCanvas* win)
+{
+    win->m_exposed = true;
+    if (win->m_cairoPaintContext == NULL)
+    {
+        win->m_cairoPaintContext = cr;
+        cairo_reference(cr);
+    }
+    double x1, y1, x2, y2;
+    cairo_clip_extents(cr, &x1, &y1, &x2, &y2);
+    win->GetUpdateRegion().Union(int(x1), int(y1), int(x2 - x1), int(y2 - y1));
+    return false;
+}
+#else

 static gboolean
 gtk_glwindow_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_event, wxGLCanvas *win )
 {
 static gboolean
 gtk_glwindow_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_event, wxGLCanvas *win )
 {

-    // don't need to install idle handler, its done from "event" signal
-

     win->m_exposed = true;
 
     win->GetUpdateRegion().Union( gdk_event->area.x,
     win->m_exposed = true;
 
     win->GetUpdateRegion().Union( gdk_event->area.x,


@@ -161,6 +86,7 @@ gtk_glwindow_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_e
                                   gdk_event->area.height );
     return false;
 }
                                   gdk_event->area.height );
     return false;
 }

+#endif

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------


@@ -169,17 +95,45 @@ gtk_glwindow_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_e
 
 extern "C" {
 static void
 
 extern "C" {
 static void

-gtk_glcanvas_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxGLCanvas *win )
+gtk_glcanvas_size_callback(GtkWidget *WXUNUSED(widget),
+                           GtkAllocation * WXUNUSED(alloc),
+                           wxGLCanvas *win)

 {
 {

-    if (g_isIdle)
-        wxapp_install_idle_handler();
-
-    if (!win->m_hasVMT)
-        return;
-

     wxSizeEvent event( wxSize(win->m_width,win->m_height), win->GetId() );
     event.SetEventObject( win );
     wxSizeEvent event( wxSize(win->m_width,win->m_height), win->GetId() );
     event.SetEventObject( win );

-    win->GetEventHandler()->ProcessEvent( event );
+    win->HandleWindowEvent( event );
+}
+}
+
+//-----------------------------------------------------------------------------
+// emission hook for "parent-set"
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static gboolean
+parent_set_hook(GSignalInvocationHint*, guint, const GValue* param_values, void* data)
+{
+    wxGLCanvas* win = (wxGLCanvas*)data;
+    if (g_value_peek_pointer(&param_values[0]) == win->m_wxwindow)
+    {
+        const XVisualInfo* xvi = win->GetXVisualInfo();
+        GdkVisual* visual = gtk_widget_get_visual(win->m_wxwindow);
+        if (GDK_VISUAL_XVISUAL(visual)->visualid != xvi->visualid)
+        {
+            GdkScreen* screen = gtk_widget_get_screen(win->m_wxwindow);
+            visual = gdk_x11_screen_lookup_visual(screen, xvi->visualid);
+#ifdef __WXGTK3__
+            gtk_widget_set_visual(win->m_wxwindow, visual);
+#else
+            GdkColormap* colormap = gdk_colormap_new(visual, false);
+            gtk_widget_set_colormap(win->m_wxwindow, colormap);
+            g_object_unref(colormap);
+#endif
+        }
+        // remove hook
+        return false;
+    }
+    return true;

 }
 }
 
 }
 }
 


@@ -216,6 +170,9 @@ wxGLCanvas::wxGLCanvas(wxWindow *parent,
                        const wxPalette& palette)
     : m_createImplicitContext(true)
 {
                        const wxPalette& palette)
     : m_createImplicitContext(true)
 {

+    m_sharedContext = NULL;
+    m_sharedContextOf = NULL;
+

     Create(parent, id, pos, size, style, name, attribList, palette);
 }
 
     Create(parent, id, pos, size, style, name, attribList, palette);
 }
 


@@ -230,7 +187,7 @@ wxGLCanvas::wxGLCanvas(wxWindow *parent,
                        const wxPalette& palette)
     : m_createImplicitContext(true)
 {
                        const wxPalette& palette)
     : m_createImplicitContext(true)
 {

-    m_sharedContext = wx_const_cast(wxGLContext *, shared);
+    m_sharedContext = const_cast<wxGLContext *>(shared);

 
     Create(parent, id, pos, size, style, name, attribList, palette);
 }
 
     Create(parent, id, pos, size, style, name, attribList, palette);
 }


@@ -244,7 +201,8 @@ wxGLCanvas::wxGLCanvas(wxWindow *parent,
                        const wxPalette& palette )
     : m_createImplicitContext(true)
 {
                        const wxPalette& palette )
     : m_createImplicitContext(true)
 {

-    m_sharedContextOf = wx_const_cast(wxGLCanvas *, shared);
+    m_sharedContext = NULL;
+    m_sharedContextOf = const_cast<wxGLCanvas *>(shared);

 
     Create(parent, id, pos, size, style, name, attribList, palette);
 }
 
     Create(parent, id, pos, size, style, name, attribList, palette);
 }


@@ -260,284 +218,83 @@ bool wxGLCanvas::Create(wxWindow *parent,
                         const int *attribList,
                         const wxPalette& palette)
 {
                         const int *attribList,
                         const wxPalette& palette)
 {

+#if wxUSE_PALETTE
+    wxASSERT_MSG( !palette.IsOk(), wxT("palettes not supported") );
+#endif // wxUSE_PALETTE
+    wxUnusedVar(palette); // Unused when wxDEBUG_LEVEL==0
+

     m_exposed = false;
     m_noExpose = true;
     m_nativeSizeEvent = true;
     m_exposed = false;
     m_noExpose = true;
     m_nativeSizeEvent = true;

-    m_fbc = NULL;
-    m_vi = NULL;
-
-    if (wxGLCanvas::GetGLXVersion() >= 13)
-    {
-        // GLX >= 1.3 uses a GLXFBConfig
-        GLXFBConfig * fbc = NULL;
-        if (wxTheApp->m_glFBCInfo != NULL)
-        {
-            fbc = (GLXFBConfig *) wxTheApp->m_glFBCInfo;
-            m_canFreeFBC = false; // owned by wxTheApp - don't free upon destruction
-        }
-        else
-        {
-            fbc = (GLXFBConfig *) wxGLCanvas::ChooseGLFBC(attribList);
-            m_canFreeFBC = true;
-        }
-        m_fbc = fbc;  // save for later use
-        wxCHECK_MSG( m_fbc, false, _T("required FBConfig couldn't be found") );
-    }
-
-    XVisualInfo *vi = NULL;
-    if (wxTheApp->m_glVisualInfo != NULL)
-    {
-        vi = (XVisualInfo *)wxTheApp->m_glVisualInfo;
-        m_canFreeVi = false; // owned by wxTheApp - don't free upon destruction
-    }
-    else
-    {
-        if (wxGLCanvas::GetGLXVersion() >= 13)
-        // GLX >= 1.3
-            vi = glXGetVisualFromFBConfig(GDK_DISPLAY(), m_fbc[0]);
-        else
-            // GLX <= 1.2
-            vi = (XVisualInfo *) ChooseGLVisual(attribList);
-
-        m_canFreeVi = true;
-    }
-
-    m_vi = vi;  // save for later use
-
-    wxCHECK_MSG( m_vi, false, _T("required visual couldn't be found") );
-    GdkVisual *visual;
-    GdkColormap *colormap;
-
-    // MR: This needs a fix for lower gtk+ versions too. Might need to rethink logic (FIXME)
-#if defined(__WXGTK20__) && GTK_CHECK_VERSION(2,2,0)
-    if (!gtk_check_version(2,2,0))
-    {
-        wxWindow::Create( parent, id, pos, size, style, name );
-
-        m_glWidget = m_wxwindow;
-
-        GdkScreen *screen = gtk_widget_get_screen( m_glWidget );
-        colormap = gdk_screen_get_default_colormap(screen);
-        visual = gdk_colormap_get_visual(colormap);
-
-        if (GDK_VISUAL_XVISUAL(visual)->visualid != vi->visualid)
-        {
-            visual = gdk_x11_screen_lookup_visual( screen, vi->visualid );
-            colormap = gdk_colormap_new(visual, FALSE);
-        }
+#ifdef __WXGTK3__
+    m_cairoPaintContext = NULL;
+    m_backgroundStyle = wxBG_STYLE_PAINT;
+#endif

 
 

-        gtk_widget_set_colormap( m_glWidget, colormap );
-    }
-    else
-#endif // GTK+ >= 2.2
-    {
-        visual = gdkx_visual_get( vi->visualid );
-        colormap = gdk_colormap_new( visual, TRUE );
+    if ( !InitVisual(attribList) )
+        return false;

 
 

-        gtk_widget_push_colormap( colormap );
+    // watch for the "parent-set" signal on m_wxwindow so we can set colormap
+    // before m_wxwindow is realized (which will occur before
+    // wxWindow::Create() returns if parent is already visible)
+    unsigned sig_id = g_signal_lookup("parent-set", GTK_TYPE_WIDGET);
+    g_signal_add_emission_hook(sig_id, 0, parent_set_hook, this, NULL);

 
 

-        wxWindow::Create( parent, id, pos, size, style, name );
-        m_glWidget = m_wxwindow;
-    }
+    wxWindow::Create( parent, id, pos, size, style, name );

 
 

-    gtk_widget_set_double_buffered( m_glWidget, FALSE );
+    gtk_widget_set_double_buffered(m_wxwindow, false);

 
 #if WXWIN_COMPATIBILITY_2_8
     g_signal_connect(m_wxwindow, "realize",       G_CALLBACK(gtk_glwindow_realized_callback), this);
 #endif // WXWIN_COMPATIBILITY_2_8
 
 #if WXWIN_COMPATIBILITY_2_8
     g_signal_connect(m_wxwindow, "realize",       G_CALLBACK(gtk_glwindow_realized_callback), this);
 #endif // WXWIN_COMPATIBILITY_2_8

+#ifdef __WXGTK3__
+    g_signal_connect(m_wxwindow, "draw", G_CALLBACK(draw), this);
+#else

     g_signal_connect(m_wxwindow, "map",           G_CALLBACK(gtk_glwindow_map_callback),      this);
     g_signal_connect(m_wxwindow, "expose_event",  G_CALLBACK(gtk_glwindow_expose_callback),   this);
     g_signal_connect(m_wxwindow, "map",           G_CALLBACK(gtk_glwindow_map_callback),      this);
     g_signal_connect(m_wxwindow, "expose_event",  G_CALLBACK(gtk_glwindow_expose_callback),   this);

+#endif

     g_signal_connect(m_widget,   "size_allocate", G_CALLBACK(gtk_glcanvas_size_callback),     this);
 
     g_signal_connect(m_widget,   "size_allocate", G_CALLBACK(gtk_glcanvas_size_callback),     this);
 

-    if (gtk_check_version(2,2,0) != NULL)
-    {
-        gtk_widget_pop_colormap();
-    }
-

 #if WXWIN_COMPATIBILITY_2_8
     // if our parent window is already visible, we had been realized before we
     // connected to the "realize" signal and hence our m_glContext hasn't been
     // initialized yet and we have to do it now
 #if WXWIN_COMPATIBILITY_2_8
     // if our parent window is already visible, we had been realized before we
     // connected to the "realize" signal and hence our m_glContext hasn't been
     // initialized yet and we have to do it now

-    if (GTK_WIDGET_REALIZED(m_wxwindow))
+    if (gtk_widget_get_realized(m_wxwindow))

         gtk_glwindow_realized_callback( m_wxwindow, this );
 #endif // WXWIN_COMPATIBILITY_2_8
 
         gtk_glwindow_realized_callback( m_wxwindow, this );
 #endif // WXWIN_COMPATIBILITY_2_8
 

-    if (GTK_WIDGET_MAPPED(m_wxwindow))
+#ifndef __WXGTK3__
+    if (gtk_widget_get_mapped(m_wxwindow))

         gtk_glwindow_map_callback( m_wxwindow, this );
         gtk_glwindow_map_callback( m_wxwindow, this );

+#endif

 
     return true;
 }
 
 
     return true;
 }
 

-wxGLCanvas::~wxGLCanvas()
-{
-    GLXFBConfig * fbc = (GLXFBConfig *) m_fbc;
-    if (fbc && m_canFreeFBC)
-        XFree( fbc );
-
-    XVisualInfo *vi = (XVisualInfo *) m_vi;
-    if (vi && m_canFreeVi)
-        XFree( vi );
-}
-
-void* wxGLCanvas::ChooseGLVisual(const int *attribList)
+bool wxGLCanvas::SetBackgroundStyle(wxBackgroundStyle /* style */)

 {
 {

-    int data[512];
-    GetGLAttribListFromWX( attribList, data );
-
-    Display *dpy = GDK_DISPLAY();
-
-    return glXChooseVisual( dpy, DefaultScreen(dpy), data );
-}
-
-void* wxGLCanvas::ChooseGLFBC(const int *attribList)
-{
-    int data[512];
-    GetGLAttribListFromWX( attribList, data );
-
-    int returned;
-    return glXChooseFBConfig( GDK_DISPLAY(), DefaultScreen(GDK_DISPLAY()),
-                              data, &returned );
-}
-
-
-void
-wxGLCanvas::GetGLAttribListFromWX(const int *wx_attribList, int *gl_attribList)
-{
-    if ( !wx_attribList )
-    {
-        if (wxGLCanvas::GetGLXVersion() >= 13)
-        {
-            // leave GLX >= 1.3 choose the default attributes
-            gl_attribList[0] = 0;
-        }
-        else // GLX < 1.3
-        {
-            int i = 0;
-            // default settings if attriblist = 0
-            gl_attribList[i++] = GLX_RGBA;
-            gl_attribList[i++] = GLX_DOUBLEBUFFER;
-            gl_attribList[i++] = GLX_DEPTH_SIZE;   gl_attribList[i++] = 1;
-            gl_attribList[i++] = GLX_RED_SIZE;     gl_attribList[i++] = 1;
-            gl_attribList[i++] = GLX_GREEN_SIZE;   gl_attribList[i++] = 1;
-            gl_attribList[i++] = GLX_BLUE_SIZE;    gl_attribList[i++] = 1;
-            gl_attribList[i++] = GLX_ALPHA_SIZE;   gl_attribList[i++] = 0;
-            gl_attribList[i++] = None;
-        }
-    }
-    else // have non-default attributes
-    {
-        int arg=0, p=0;
-        while( (wx_attribList[arg]!=0) && (p<510) )
-        {
-            switch( wx_attribList[arg++] )
-            {
-                case WX_GL_RGBA:
-                    if (wxGLCanvas::GetGLXVersion() <= 12)
-                    {
-                        // for GLX >= 1.3, GLX_RGBA is useless (setting this flags will crash on most opengl implm)
-                        gl_attribList[p++] = GLX_RGBA;
-                    }
-                    break;
-                case WX_GL_BUFFER_SIZE:
-                    gl_attribList[p++] = GLX_BUFFER_SIZE;
-                    gl_attribList[p++] = wx_attribList[arg++];
-                    break;
-                case WX_GL_LEVEL:
-                    gl_attribList[p++] = GLX_LEVEL;
-                    gl_attribList[p++] = wx_attribList[arg++];
-                    break;
-                case WX_GL_DOUBLEBUFFER:
-                    gl_attribList[p++] = GLX_DOUBLEBUFFER;
-                    gl_attribList[p++] = 1;
-                    break;
-                case WX_GL_STEREO:
-                    gl_attribList[p++] = GLX_STEREO;
-                    break;
-                case WX_GL_AUX_BUFFERS:
-                    gl_attribList[p++] = GLX_AUX_BUFFERS;
-                    gl_attribList[p++] = wx_attribList[arg++];
-                    break;
-                case WX_GL_MIN_RED:
-                    gl_attribList[p++] = GLX_RED_SIZE;
-                    gl_attribList[p++] = wx_attribList[arg++];
-                    break;
-                case WX_GL_MIN_GREEN:
-                    gl_attribList[p++] = GLX_GREEN_SIZE;
-                    gl_attribList[p++] = wx_attribList[arg++];
-                    break;
-                case WX_GL_MIN_BLUE:
-                    gl_attribList[p++] = GLX_BLUE_SIZE;
-                    gl_attribList[p++] = wx_attribList[arg++];
-                    break;
-                case WX_GL_MIN_ALPHA:
-                    gl_attribList[p++] = GLX_ALPHA_SIZE;
-                    gl_attribList[p++] = wx_attribList[arg++];
-                    break;
-                case WX_GL_DEPTH_SIZE:
-                    gl_attribList[p++] = GLX_DEPTH_SIZE;
-                    gl_attribList[p++] = wx_attribList[arg++];
-                    break;
-                case WX_GL_STENCIL_SIZE:
-                    gl_attribList[p++] = GLX_STENCIL_SIZE;
-                    gl_attribList[p++] = wx_attribList[arg++];
-                    break;
-                case WX_GL_MIN_ACCUM_RED:
-                    gl_attribList[p++] = GLX_ACCUM_RED_SIZE;
-                    gl_attribList[p++] = wx_attribList[arg++];
-                    break;
-                case WX_GL_MIN_ACCUM_GREEN:
-                    gl_attribList[p++] = GLX_ACCUM_GREEN_SIZE;
-                    gl_attribList[p++] = wx_attribList[arg++];
-                    break;
-                case WX_GL_MIN_ACCUM_BLUE:
-                    gl_attribList[p++] = GLX_ACCUM_BLUE_SIZE;
-                    gl_attribList[p++] = wx_attribList[arg++];
-                    break;
-                case WX_GL_MIN_ACCUM_ALPHA:
-                    gl_attribList[p++] = GLX_ACCUM_ALPHA_SIZE;
-                    gl_attribList[p++] = wx_attribList[arg++];
-                    break;
-                default:
-                    break;
-            }
-        }
-
-        gl_attribList[p] = 0;
-    }
-}
-
-/* static */
-int wxGLCanvas::GetGLXVersion()
-{
-    static int s_glxVersion = 0;
-    if ( s_glxVersion == 0 )
-    {
-        // check the GLX version
-        int glxMajorVer, glxMinorVer;
-        bool ok = glXQueryVersion(GDK_DISPLAY(), &glxMajorVer, &glxMinorVer);
-        wxASSERT_MSG( ok, _T("GLX version not found") );
-        if (!ok)
-            s_glxVersion = 10; // 1.0 by default
-        else
-            s_glxVersion = glxMajorVer*10 + glxMinorVer;
-    }
-
-    return s_glxVersion;
+    return false;

 }
 
 }
 

-void wxGLCanvas::SwapBuffers()
+Window wxGLCanvas::GetXWindow() const

 {
 {

-    GdkWindow *window = GTK_PIZZA(m_wxwindow)->bin_window;
-    glXSwapBuffers( GDK_DISPLAY(), GDK_WINDOW_XWINDOW( window ) );
+    GdkWindow* window = GTKGetDrawingWindow();
+    return window ? GDK_WINDOW_XID(window) : 0;

 }
 
 void wxGLCanvas::OnInternalIdle()
 {
     if (m_exposed)
     {
 }
 
 void wxGLCanvas::OnInternalIdle()
 {
     if (m_exposed)
     {

+#ifdef __WXGTK3__
+        GTKSendPaintEvents(m_cairoPaintContext);
+        cairo_destroy(m_cairoPaintContext);
+        m_cairoPaintContext = NULL;
+#else

         wxPaintEvent event( GetId() );
         event.SetEventObject( this );
         wxPaintEvent event( GetId() );
         event.SetEventObject( this );

-        GetEventHandler()->ProcessEvent( event );
+        HandleWindowEvent( event );
+#endif

 
         m_exposed = false;
         GetUpdateRegion().Clear();
 
         m_exposed = false;
         GetUpdateRegion().Clear();


@@ -562,33 +319,4 @@ void wxGLCanvas::GTKInitImplicitContext()
 
 #endif // WXWIN_COMPATIBILITY_2_8
 
 
 #endif // WXWIN_COMPATIBILITY_2_8
 

-//---------------------------------------------------------------------------
-// wxGLApp
-//---------------------------------------------------------------------------
-
-bool wxGLApp::InitGLVisual(const int *attribList)
-{
-    if ( wxGLCanvas::GetGLXVersion() >= 13 )
-    {
-        if (m_glFBCInfo)
-            XFree(m_glFBCInfo);
-        m_glFBCInfo = wxGLCanvas::ChooseGLFBC(attribList);
-
-        if ( !m_glFBCInfo )
-            return false;
-
-        if (m_glVisualInfo)
-            XFree(m_glVisualInfo);
-        m_glVisualInfo = glXGetVisualFromFBConfig(GDK_DISPLAY(), ((GLXFBConfig *)m_glFBCInfo)[0]);
-    }
-    else // GLX <= 1.2
-    {
-        if (m_glVisualInfo)
-            XFree(m_glVisualInfo);
-        m_glVisualInfo = wxGLCanvas::ChooseGLVisual(attribList);
-    }
-
-    return m_glVisualInfo != NULL;
-}
-

 #endif // wxUSE_GLCANVAS
 #endif // wxUSE_GLCANVAS