Qt signal is ten times slower than a virtual function

Qt Signals and Slots : rcpp qt signal slot example In Qt Designer's signals and slots editing mode, you can connect objects in a form together using Qt's signals and slots mechanism Both widgets and layouts qtech slot In this example - we create a 3 way connection - the name editbox object textChanged signal, to the work window recive slot

qt signal and slot An introductory explanation to Qt Signals and Slots mechanism If you are new to using Qt