Qt Tutorials For Beginners 5 - Qt Signal and slots

Qt Tutorials For Beginners 5 - Qt Signal and slots qt connect signal to slot You can directly connect signals to slots, without having to implement a listener method calling another method; when implementing your own signalsslots, there qt connect signal to slot with parameter Qt signal-slot quick start From Qt Wiki Redirect page Jump to navigation Jump to search

qt connect signal to slot with parameter You can't pass parameters to signal when you connect Parameters are passed to the signal when the signal is emitted Same applies to slots:

qt connect signal slot Transmitting extra data with Qt Signals Modifying widget signals to pass contextual information to slots by Martin Fitzpatrick Last updated 16 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 Signals