void
color_init(void)
{
GdkVisual *visual = gtk_widget_get_default_visual();
GdkColormap *colormap = gtk_widget_get_default_colormap();
color_context = gdk_color_context_new(visual, colormap);
color_convert(&color_black, &color_gdk_black);
color_convert(&color_white, &color_gdk_white);
}
bool wxApp::OnInitGui()
{
if ( !wxAppBase::OnInitGui() )
return false;
#ifndef __WXGTK3__
// if this is a wxGLApp (derived from wxApp), and we've already
// chosen a specific visual, then derive the GdkVisual from that
if ( GetXVisualInfo() )
{
GdkVisual* vis = gtk_widget_get_default_visual();
GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
gtk_widget_set_default_colormap( colormap );
}
else
{
// On some machines, the default visual is just 256 colours, so
// we make sure we get the best. This can sometimes be wasteful.
if (m_useBestVisual)
{
if (m_forceTrueColour)
{
GdkVisual* visual = gdk_visual_get_best_with_both( 24, GDK_VISUAL_TRUE_COLOR );
if (!visual)
{
wxLogError(wxT("Unable to initialize TrueColor visual."));
return false;
}
GdkColormap *colormap = gdk_colormap_new( visual, FALSE );
gtk_widget_set_default_colormap( colormap );
}
else
{
if (gdk_visual_get_best() != gdk_visual_get_system())
{
GdkVisual* visual = gdk_visual_get_best();
GdkColormap *colormap = gdk_colormap_new( visual, FALSE );
gtk_widget_set_default_colormap( colormap );
}
}
}
}
#endif
#if wxUSE_LIBHILDON || wxUSE_LIBHILDON2
if ( !GetHildonProgram() )
{
wxLogError(_("Unable to initialize Hildon program"));
return false;
}
#endif // wxUSE_LIBHILDON || wxUSE_LIBHILDON2
return true;
}
/** Initialize color access (gdk) and set up default colors.
*/
void
color_init(void)
{
if (!_color_initialized) {
GdkVisual *visual = gtk_widget_get_default_visual();
colormap = gdk_colormap_new (visual, FALSE);
_color_initialized = TRUE;
color_convert(&color_black, &color_gdk_black);
color_convert(&color_white, &color_gdk_white);
}
}
static VALUE
rg_s_default_visual(G_GNUC_UNUSED VALUE self)
{
return GOBJ2RVAL(gtk_widget_get_default_visual());
}