Debugging Qt's signal-slot connections

qt connect signal to slot   Dan qt signal and slot

connect the action of pressing the button to making something happen In Qt, this is provided by signals and slots Signals are notifications emitted by

You can't pass parameters to signal when you connect Parameters are passed to the signal when the signal is emitted Same applies to slots: You can't pass parameters to signal when you connect Parameters are passed to the signal when the signal is emitted Same applies to slots:

lumber jack slot Qt uses the signalslot Compared with callback functions, this mechanism has the advantage that Qt automatically dis- mantles a connection if Qt's signals and slots mechanism ensures that if you connect a signal to a slot, the slot will be called with the signal's parameters at the right time