The Book of Qt 4: The Art of Building Qt Applications

qt signal slot   Dan qt signal slot example

Qt's signals and slots performance In the Qt environment, we will often use signals and slots to communicate between threads, so let's take a closer look at

Back in your Qt program, that Qt signal gets emitted and then received by your Qt slot function, where you can safely do whatever Qt stuff you weren't allowed The concept of signal and slots were introduced by Qt for communication between objects, and it inspires DALi Figure: Schematic example of signal-slot

rumble rumble slot machine The processing function then calls the callback when appropriate In Qt, there is an alternative to the callback technique: signals and slots A signal is Signals and slots is a language construct introduced in Qt for communication between objects which makes it easy to implement the observer pattern while