Signal detail or null (default)
signal callback delegate or function to connect
void callback(atk.object.ObjectAtk arg1, atk.object.ObjectAtk objectAtk)
arg1 the newly focused object. (optional)
objectAtk 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 ActiveDescendantChanged signal.
The "active-descendant-changed" signal is emitted by an object which has the state ATK_STATE_MANAGES_DESCENDANTS when the focus object in the object changes. For instance, a table will emit the signal when the cell in the table which has focus changes.