How to resize QMainwindow after I set the flag "Qt::FramelessWindowHint"?

[tham]

Our purpose is customize the default ui from

To this one

The solution we pick is call

setWindowFlags(Qt::FramelessWindowHint);

In the QMainWindow and add the customize buttons, problem is Qt::FramelessWindowHint cannot resize. How could we make it resizeable?

Thanks

[Ratzz]

@tham
Did you refer this https://forum.qt.io/topic/34354/frameless-window-dragging-issue/2

[Jorgen]

@tham
Here is another thread showing my frameless window example with custom stylehseets: https://forum.qt.io/topic/80654/how-to-create-vs2013-like-frameless-window-with-dark-style

you can also find it on github: https://github.com/Jorgen-VikingGod/Qt-Frameless-Window-DarkStyle