qt signals slots
What does @Slot() do? — Is the Slot decorator even necessary?
Qt::DirectConnection: If the signal and slot are in the same thread, the slot is called immediately after the signal is emitted.
Bài 6: QMainWindow và kỹ thuật kế thừa để tùy chỉnh Signals/Slots ...
Specifically, under Support for Signals and Slots we find that the library distinguishes between unbound and bound signals.
Qt Signals And Slots - Programming Examples
The signal-slot mechanism is one of the distinctive features of the Qt framework, allowing applications to be highly responsive by reacting to user actions and monitoring various events within the application.