Trolltech公司发布的基于C++图形开发环境，支持大量的API，是Linux下的图形界面开发利器。这是较早的版本，但在嵌入式系统的移植比较成功！-Trolltech released on C graphical development environment to support a large number of API, is the Linux GUI development of weapon. This is an earlier version, but in the embedded system more successful transplant!