QSplitter 设置比例

  1. splitter->setStretchFactor(0, 3); // widget gets 3 out of 4 width/height units

  2. splitter->setStretchFactor(1, 1); // widget gets 1 out of 4 width/height units

原文地址:https://www.cnblogs.com/cute/p/2106590.html