February 2019
Beginner
136 pages
3h 7m
English
Content preview from Getting Started with Qt 5
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Managing Events, Custom Signals, and Slots
This chapter introduces the concept of events. To maintain a working state, messages are passed around from the windowing system to the application, and within the application itself. These messages may contain data that could be useful when delivered at some destination. The messages being talked about here are referred to as events in Qt.
In this chapter, we will cover the following topics:
- Events
- Event handlers
- Drag and drop
- Custom signals
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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.