I've used Qt and wxWidgets[1], and found them both great. They both also have bindings for many languages, and it certainly doesn't take fifty lines to create

I've used Qt and wxWidgets[1], and found them both great. They both also have bindings for many languages, and it certainly doesn't take fifty lines to create a dialog with a button using any of them. [0]: https://www.qt.io https://www.qt.io [1]: https://www.wxwidgets.org https://www.wxwidgets.org