QGraphicsView实现桌面的滑屏效果和自动添加图标。-QGraphicsView achieve desktop effects and sliding-screen icon is automatically added.

这个是一个基于Qt编写的仿照QQ桌面托盘闪动的效果，当你双击托盘图标是可以在线时屏幕上横向显示，满屏后会自动释放内存空间，重新绘图-This is written in a Qt-based modeled on the QQ desktop tray flashing effect, when you double-click the tray icon is available online on the screen horizontal display, full screen will