Widget.connectGetDefaultFocus

gulong connectGetDefaultFocus(T)(T callback,  Flag!"After" after =  No.After) if (isCallable!T
    &&  is(ReturnType!T :  gtk.widget.Widget)
   && (Parameters!T.length <  1 || (ParameterStorageClassTuple!T[0]  ==  ParameterStorageClass.none &&  is(Parameters!T[0] :  panel.widget.Widget)))
   &&  Parameters!T.length <  2)

Connect to GetDefaultFocus signal.

Gets the default widget to focus within the #PanelWidget. The first handler for this signal is expected to return a widget, or null if there is nothing to focus.

Parameters

`callback`	signal callback delegate or function to connect `gtk.widget.Widget callback(panel.widget.Widget widget)` `widget` the instance the signal is connected to (optional) `Returns` a #GtkWidget within #PanelWidget or null.
`after`	Yes.After to execute callback after default handler, No.After to execute before (default)

Returns

Signal ID