September 2015
Intermediate to advanced
648 pages
17h 20m
English
book
Rapid GUI Programming with Python and Qt: The Definitive Guide to PyQt Programming
by Mark Summerfield
Content preview from Rapid GUI Programming with Python and Qt: The Definitive Guide to PyQt ProgrammingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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4. Introduction to GUI Programming
- A Pop-Up Alert in 25 Lines
- An Expression Evaluator in 30 Lines
- A Currency Converter in 70 Lines
- Signals and Slots
In this chapter we begin with brief reviews of three tiny yet useful GUI applications written in PyQt. We will take the opportunity to highlight some of the issues involved in GUI programming, but we will defer most of the details to later chapters. Once we have a feel for PyQt GUI programming, we will discuss PyQt’s “signals and slots” mechanism—this is a high-level communication mechanism for responding to user interaction that allows us to ignore irrelevant detail.
Although PyQt is used commercially to build applications that vary in size from hundreds of lines of code to more than 100 000 ...
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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.
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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.