How Qt Signals and Slots Work

These signals can be connected to any callable, that is, to any function or method, including Qt slots; they can also be connected using the

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qt signal and slot slot will be called with the signals parameters at the right time Connect signal to slot with derived parameter qt connect

qt connect signal slot Create a new QSignalMapper object · Connect the triggered slots of the actions to the mapper's map slot · Let the mapper know via setMapping