Qt UI tips

窗口居中: 

          adjustSize();

    move((availableGeometry.width() - width()) / 2, (availableGeometry.height() - height()) / 2);

满放子窗口:

  
setCentralWidget

输入对话框:

  QInputDialog


原文地址:https://www.cnblogs.com/xuyouzhu/p/10260350.html