Adds a component with the given constraints to the underlying layout manager and the component peer.
Checks whether the given constraints are valid.
Obtains the constraints for the given component from the underlying Swing layout manager.
The child components of this container.
Installed reaction won't receive events from the given publisher anylonger.
A map of components to the associated layout constraints.
Listen to the given publisher as long as
deafTo isn't called for
Contains publishers for various mouse events.
For custom painting, users should usually override this method.
Convenient conversion from xy-coords given as pairs to grid bag constraints.
The underlying Swing peer.
Notify all registered reactions.
All reactions of this reactor.
Used by certain layout managers, e.