[Interest] Mixing OpenGL and QPainter in QOpenGLWidget

2017-03-02 Thread Jan Müller
Hello, When I use both OpenGL rendering and QPainter calls in the paintGL function of a QOpenGLWidget class, I get an OpenGL error code (1282) when checking glGetError(). The painting still works, i.e. what I want to draw correctly appears on the screen. Also, this error code only appears on Mac

[Interest] Preferred way to create custom look-and-feel GUI

2016-05-08 Thread Jan Müller
Hello, I was wondering, what is the preferred way to create a GUI with a custom look-and-feel appearance, similar as e.g. QtCreator. I have a modestly large application, using a QWidgets approach and I use 'designer' to create the ui/layout. The application has several modes/screens, which are a