Qt MOOC Part 2

When you want to tell Qt that an event has occurred, you emit a signal When that happens, Qt executes all slots that are connected to the signal Before a

Qt MOOC Part 2 Ruby and Qt; using 'qtbindings' example of using signals and slots, demonstrating how to use parameter-less, simple and class-parameter for sending signals

When you want to tell Qt that an event has occurred, you emit a signal When that happens, Qt executes all slots that are connected to the signal Before a

qt slot Like for waitSignal , each callable has to return True if parameters match, False otherwise Instead of a specific callable, None can be provided, to disable

To connect a Signal to a Slot you can simply call QObject::connect or QObject::

qt connect signal to slot with parameter The signal must be a function declared as a signal in the header The slot function can be any function or functor that can be connected to the signal A

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