分别实现QT4上抽屉效果，进度条显示，输入对话框，消息盒，及表格功能-QT4 drawer respectively, to achieve results, the progress bar shows the input dialog box, message boxes, and table functions

这是基于QT的qq抽屉式界面的qt源码包 设计巧妙 对于QT学者有一定的参考价值。-Qt source package based on the QT qq drawer interface design and clever some reference value for QT scholars.