render_button->show();
add_action_widget(*render_button,1);
render_button->signal_clicked().connect(sigc::mem_fun(*this, &studio::RenderSettings::on_render_pressed));
render_button->show();
add_action_widget(*render_button,1);
render_button->signal_clicked().connect(sigc::mem_fun(*this, &studio::RenderSettings::on_render_pressed));