17 Advanced Signals and Slots

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

使用Qt的信号和槽（Signals and Slots）机制有以下好处：松耦合：通过信号和槽，对象之间的通信是松耦合的。发送者不需要知道接收者的具体实现细节，

signal and slot arguments are not compatible When a you connect a signal to a slot, the signal and slot signatures are stored for later use When a signal is emitted, all the slots

signal and slot When the signal is emitted with fewer arguments than the slot, Qt runs the slot using default parameter values Functor-based connections do not support