May 2019
Intermediate to advanced
542 pages
13h 37m
English
Content preview from Mastering GUI Programming with Python
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Sharing data between windows using custom signals
Suppose you have a program that pops up a form window. When the user finishes filling in the form and submits it, we need to get the entered data back to the main application class for processing. There are a few ways we could approach this; for instance, the main application could watch for click events on the pop-up window's Submit button, then grab the data from its fields before destroying the dialog. But that approach requires the main form to know all about the pop-up dialog's widgets, and any refactor of the popup would risk breaking code in the main application window.
Let's try a different approach using signals and slots. Open a fresh copy of our application template from Chapter ...
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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.