QtDesigner Signals and Slots
QtDesigner Signals and Slots
Concept of Signals and Slots¶ The function representing the slot will be called automatically by the SignalSlot Dispatcher whenever a signal
Prefer to use normalised signalslot signatures That is, remove all dispensable whitespace, const-& , and top-level const If you're in doubt about how the 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
10 times slot machine Slot Arguments Signals can propagate arguments to each of the slots they call For instance, a signal that propagates mouse motion Use a Property, Signal or Slot? · Slots allow communication from QML to C++: Slots are used to trigger C++ code from QML You can use parameters and return
