Thread: Signalslot between widgets

Thread: Signalslot between widgets qt signal and slot 在插件式开发中，插件之间可以通过多种方式进行通信。以下是一些常用的通信机制：信号和槽（Signals and Slots）：Qt框架提供了信号和槽机制， qt connect signal to slot In each QMetaObject, the slots, signals and other invokable methods of that object are given an index, starting from 0 They are ordered so that

qt connect signal to slot The central feature in this model is a very powerful mechanism for seamless object communication called signals and slots You can connect a signal to a slot

qt connect signal slot Signals and slots are loosely coupled: A class which emits a signal neither knows nor cares which slots receive the signal Qt's signals and slots mechanism Does your code ever return to the Qt event loop? Thank you for the answer but I don´t understand you I put the breakpoint in the emit line, and