Onscreen Keyboard in Qt 5

Question

I want to create a onscreen keyboard for a desktop application. The application will be built in Qt 5. I have couple of questions, please clarify them.

1. What

Answer 1

Qt now provides a virtual keyboard framework in Qt 5.5.

http://doc.qt.io/QtVirtualKeyboard/

I have not tried it, so I can't say how easy it is to use. It looks like it's QML-based.

(It says it's for Linux and boot2qt, but it can also be built for Windows according to the building page (http://doc.qt.io/QtVirtualKeyboard/build.html))