Refactor Qt signalslot

signal and slot in qt examples qt signal slot example QT has an Observer mechanism built in, which they call 'Signals and Slots' It allows objects to communicate with each other without having to qt signal and slot A slot is a function that is called in response to a particular signal Qt's widgets have many pre-defined slots, but it is common practice to subclass widgets

qt slot signal Example code for singnals and slots writen in c++ using Qt framework - ExecomNordcpp-qt-signal-slot-example