160308_Signals & Slots
Posted 【Profound__爱生活__诗意地栖息】
tags:
篇首语:本文由小常识网(cha138.com)小编为大家整理,主要介绍了160308_Signals & Slots相关的知识,希望对你有一定的参考价值。
In Qt, we have an alternative to the callback technique: We use signals and slots. A signal is emitted when a particular event occurs. Qt‘s widgets have many predefined signals, but we can always subclass widgets to add our own signals to them. 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 and add your own slots so that you can handle the signals that you are interested in.
以上是关于160308_Signals & Slots的主要内容,如果未能解决你的问题,请参考以下文章