bool wxGLCanvas::Create( wxWindow *parent,
const wxGLContext *shared,
const wxGLCanvas *shared_context_of,
wxWindowID id,
const wxPoint& pos, const wxSize& size,
long style, const wxString& name,
int *attribList,
const wxPalette& palette)
{
m_sharedContext = (wxGLContext*)shared; // const_cast
m_sharedContextOf = (wxGLCanvas*)shared_context_of; // const_cast
m_glContext = (wxGLContext*) NULL;
m_exposed = FALSE;
m_noExpose = TRUE;
m_nativeSizeEvent = TRUE;
m_fbc = NULL;
m_vi = NULL;
// to be sure the glx version is known
wxGLCanvas::QueryGLXVersion();
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 = gdkx_visual_get( vi->visualid );
GdkColormap *colormap = gdk_colormap_new( visual, TRUE );
gtk_widget_push_colormap( colormap );
gtk_widget_push_visual( visual );
wxWindow::Create( parent, id, pos, size, style, name );
m_glWidget = m_wxwindow;
#ifdef __WXGTK20__
gtk_widget_set_double_buffered( m_glWidget, FALSE );
#endif
gtk_pizza_set_clear( GTK_PIZZA(m_wxwindow), FALSE );
gtk_signal_connect( GTK_OBJECT(m_wxwindow), "realize",
GTK_SIGNAL_FUNC(gtk_glwindow_realized_callback), (gpointer) this );
gtk_signal_connect( GTK_OBJECT(m_wxwindow), "map",
GTK_SIGNAL_FUNC(gtk_glwindow_map_callback), (gpointer) this );
gtk_signal_connect( GTK_OBJECT(m_wxwindow), "expose_event",
GTK_SIGNAL_FUNC(gtk_glwindow_expose_callback), (gpointer)this );
#ifndef __WXGTK20__
gtk_signal_connect( GTK_OBJECT(m_wxwindow), "draw",
GTK_SIGNAL_FUNC(gtk_glwindow_draw_callback), (gpointer)this );
#endif
gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
GTK_SIGNAL_FUNC(gtk_glcanvas_size_callback), (gpointer)this );
gtk_widget_pop_visual();
gtk_widget_pop_colormap();
// 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))
gtk_glwindow_realized_callback( m_wxwindow, this );
if (GTK_WIDGET_MAPPED(m_wxwindow))
gtk_glwindow_map_callback( m_wxwindow, this );
return TRUE;
}
bool wxGLCanvas::Create( wxWindow *parent,
const wxGLContext *shared,
const wxGLCanvas *shared_context_of,
wxWindowID id,
const wxPoint& pos, const wxSize& size,
long style, const wxString& name,
int *attribList,
const wxPalette& palette)
{
m_sharedContext = (wxGLContext*)shared; // const_cast
m_sharedContextOf = (wxGLCanvas*)shared_context_of; // const_cast
m_glContext = (wxGLContext*) NULL;
m_exposed = false;
m_noExpose = true;
m_nativeSizeEvent = true;
m_fbc = NULL;
m_vi = NULL;
// to be sure the glx version is known
wxGLCanvas::QueryGLXVersion();
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") );
// 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;
gtk_widget_set_double_buffered( m_glWidget, FALSE );
g_signal_connect(m_wxwindow, "realize", G_CALLBACK(gtk_glwindow_realized_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);
g_signal_connect(m_widget, "size_allocate", G_CALLBACK(gtk_glcanvas_size_callback), this);
// 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))
gtk_glwindow_realized_callback( m_wxwindow, this );
if (GTK_WIDGET_MAPPED(m_wxwindow))
gtk_glwindow_map_callback( m_wxwindow, this );
return true;
}
bool wxGLCanvas::Create( wxWindow *parent,
const wxGLContext *shared,
const wxGLCanvas *shared_context_of,
wxWindowID id,
const wxPoint& pos, const wxSize& size,
long style, const wxString& name,
int *attribList,
const wxPalette& palette)
{
m_sharedContext = (wxGLContext*)shared; // const_cast
m_sharedContextOf = (wxGLCanvas*)shared_context_of; // const_cast
m_glContext = (wxGLContext*) NULL;
m_exposed = false;
m_noExpose = true;
m_nativeSizeEvent = true;
m_fbc = NULL;
m_vi = NULL;
// to be sure the glx version is known
wxGLCanvas::QueryGLXVersion();
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 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);
}
gtk_widget_set_colormap( m_glWidget, colormap );
}
else
#endif
{
visual = gdkx_visual_get( vi->visualid );
colormap = gdk_colormap_new( visual, TRUE );
gtk_widget_push_colormap( colormap );
gtk_widget_push_visual( visual );
wxWindow::Create( parent, id, pos, size, style, name );
m_glWidget = m_wxwindow;
}
gtk_pizza_set_clear( GTK_PIZZA(m_wxwindow), FALSE );
gtk_signal_connect( GTK_OBJECT(m_wxwindow), "realize",
GTK_SIGNAL_FUNC(gtk_glwindow_realized_callback), (gpointer) this );
gtk_signal_connect( GTK_OBJECT(m_wxwindow), "map",
GTK_SIGNAL_FUNC(gtk_glwindow_map_callback), (gpointer) this );
gtk_signal_connect( GTK_OBJECT(m_wxwindow), "expose_event",
GTK_SIGNAL_FUNC(gtk_glwindow_expose_callback), (gpointer)this );
gtk_signal_connect( GTK_OBJECT(m_wxwindow), "draw",
GTK_SIGNAL_FUNC(gtk_glwindow_draw_callback), (gpointer)this );
gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
GTK_SIGNAL_FUNC(gtk_glcanvas_size_callback), (gpointer)this );
gtk_widget_pop_visual();
gtk_widget_pop_colormap();
// 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))
gtk_glwindow_realized_callback( m_wxwindow, this );
if (GTK_WIDGET_MAPPED(m_wxwindow))
gtk_glwindow_map_callback( m_wxwindow, this );
return true;
}
