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

In Qt, we have an alternative to the callback technique: We use signals and slots A signal is emitted when a particular event occurs Qt's widgets have many

Get full access to Application Development with Qt Creator - Second Edition and 60K+ other titles, with a free 10-day trial of O'Reilly There are also live

signal slot Signals and slots is a language construct introduced in Qt for communication between objects which makes it easy to implement the observer pattern while

signal and slot SIGNAL ( valueChanged ) , SLOT display ) ) ; } To be honest , we would not advise you to use this code It saves only a few char- acters