How to resize the QMenuBar in PyQt4 for a 4K display

Question

I need to write an application in Python with a User Interface. I decided to go for PyQt4 to make the GUI. It is included in the Anaconda distribution of Python.

To make

Answer 1

You can change the font and font-size of individual widgets.

font = self.menuBar().font()
font.setPointSize(20)
self.menuBar().setFont(font)

But typically something like this would be handled by your OS/window manager. I'm assuming all your other applications have text that looks just as small? For high-res displays, most popular OS's have scaling features to emulate the size of a lower resolution monitor.