78 GraphicsStateGuardian *activeGsg = active->get_graphics_output()->get_gsg();
80 for (
int i = 0; i <
m_framework.get_num_windows(); ++i) {
81 PointerTo<WindowFramework> fi =
m_framework.get_window(i);
82 GraphicsStateGuardian *g = fi->get_graphics_output()->get_gsg();
83 bool active = (g == activeGsg);
84 g->set_active(active);
85 fi->get_graphics_output()->set_active(active);