get_focusable
Description:
Determines whether the widget can own the input focus.
See [method@Gtk.Widget.set_focusable].
Parameters:
| this | 
           a widget  | 
      
Returns:
| 
           true if this can own the input focus  | 
      
Determines whether the widget can own the input focus.
See [method@Gtk.Widget.set_focusable].
| this | 
           a widget  | 
      
| 
           true if this can own the input focus  |