acceptDroppingMorph:event:

This message is sent when a morph is dropped onto a morph that has agreed to accept the dropped morph by responding 'true' to the wantsDroppedMorph:Event: message. This default implementation just adds the given morph to the receiver.

addCustomMenuItems:hand:

Add morph-specific items to the given menu which was invoked by the given hand. This method provides is invoked both from the halo-menu and from the control-menu regimes.

codecClassName:

initialize

selectCodec

wantsDroppedMorph:event:

Return true if the receiver wishes to accept the given morph, which is being dropped by a hand in response to the given event. Note that for a successful drop operation both parties need to agree. The symmetric check is done automatically via aMorph wantsToBeDroppedInto: self.