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(21)Blender源码分析之鼠标按下消息添加到队列的过程
2022-07-17 02:24:00 【caimouse】
前面分析闪屏窗口显示,从图片的加载到菜单的布局显示,从C代码到python代码的相互调用,再到整个闪屏的UI布局显示。接着下来我们来分析一下鼠标按下的事件处理流程,这样才能明白blender处理Windows消息的过程,才可以明白它的事件处理过程,才可以进一步地添加事件处理。
如果熟悉Windows编程,就会对整个事件处理比较熟悉,如下图所示:

这个过程已经十几年都没有变化过,这是Windows的消息机制,因此blender在Windows下运行,也省不了这个处理流程。这个过程在前面的文章也有简单地介绍过,在这里我们主要来关注一下消息处理过程,现在以鼠标左键按下消息来举例进行。
当你在blender界面按下鼠标之后,就会触发windows的鼠标按下左键消息
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