signal callback delegate or function to connect
void callback(gtk.font_button.FontButton fontButton)
fontButton 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 Activate signal.
Emitted to when the font button is activated.
The ::activate signal on gtk.font_button.FontButton is an action signal and emitting it causes the button to present its dialog.