May 2019
Intermediate to advanced
542 pages
13h 37m
English
Content preview from Mastering GUI Programming with Python
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Custom widgets with QPainter
QPainter is not merely a specialized tool for drawing on images; it's actually the workhorse that draws all the graphics for all the widgets in Qt. In other words, every pixel of every widget you see in your PyQt application was drawn by a QPainter object. We can take control of QPainter to create a purely custom widget.
To explore this idea, let's create a CPU monitor application. Get a fresh copy of the Qt application template and call it cpu_graph.py, and then we'll begin.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.