之前也一直有疑惑，能否在单片机（MCU）上运行Qt呢？Qt能否不依赖操作系统运行（裸跑）？很早时候，就听说了Qt for MCUs这个项目。看到这篇博文之后也深有体会。 QT在单片机上的运行演示视频 简单介绍这个项目，Qt for MCU 能够在没有操作系统的设备上运行 ...

Qt, pronounced “cute” or “cue-tee,” is a cross-platform graphical user interface (GUI) framework. It has a long history, starting with Nokia and eventually winding up with Digia. The Qt Project is the ...

Maybe I'm missing it somewhere, but I can't seem to find how to add a widget to an existing layout once it's set.<BR><BR>In the most basic example, I tried adding a widget when a button was pressed.