Qt SignalSlot Connectons

In addition to all features provided by Qt the ROOT version supports connecting slots to a class These slots

Define your own class with Qt signals and slots: To provide a class with its own signals and slots, the following applies Rules to be followed:

qt signal and slot Signals and slots are loosely coupled: A class which emits a signal neither knows nor cares which slots receive the signal Qt's signals and slots mechanism

qt slot Qt automatically breaks a signalslot connection if either the sender or the receiver are destroyed (or if context object is destroyed, when