signal callback delegate or function to connect
void callback(gtk.widget.Widget widget)
widget the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Deprecated: Use GdkScreen::composited-changed instead.
Connect to CompositedChanged signal.
The ::composited-changed signal is emitted when the composited status of widgets screen changes. See gdk.screen.Screen.isComposited.