The ::popdown signal is a [keybinding signal]GtkBindingSignal which gets emitted to popdown the combo box list.
The default bindings for this signal are Alt+Up and Escape.
2.12
See Implementation
The ::popdown signal is a [keybinding signal]GtkBindingSignal which gets emitted to popdown the combo box list.
The default bindings for this signal are Alt+Up and Escape.