signal callback delegate or function to connect
void callback(gdk.screen.Screen previousScreen, gtk.widget.Widget widget)
previousScreen the previous screen, or null if the widget was not associated with a screen before (optional)
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
Connect to ScreenChanged signal.
The ::screen-changed signal gets emitted when the screen of a widget has changed.