C++ GUI with Qt Tutorial - 6 - Signals and Slots

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A slot is a normal C++ method; it is called when a signal connected to it is emitted AdvertisementsQt5 click example

connect (sender, SIGNAL (valueChanged), receiver, SLOT (updateValue) ); 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

heart of vegas slot casino For example to terminate ROOT and Qt smoothly do connect(qApp,SIGNAL(lastWindowClosed()),TQtRootSlot::CintSlot(),SLOT(TerminateAndQuit()) To Here is a simple example of how to emit signals and slots #ifndef MAINWINDOW_H #define MAINWINDOW_H #include QMainWindow> #include