April 2018
Beginner
714 pages
18h 21m
English
book
Game Programming using Qt 5 Beginner's Guide - Second Edition
by Pavel Strakhov, Witold Wysota, Lorenz Haas
Content preview from Game Programming using Qt 5 Beginner's Guide - Second Edition
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Text input fields
Apart from the attached properties we described, Qt Quick provides built-in elements for handling keyboard input. The two most basic types are TextInput and TextEdit, which are QML equivalents of QLineEdit and QTextEdit. The former are used for single-line text input, while the latter serves as its multiline counterpart. They both offer cursor handling, undo-redo functionality, and text selections. You can validate text typed into TextInput by assigning a validator to the validator property. For example, to obtain an item where the user can input a dot-separated IP address, we can use the following declaration:
TextInput { id: ipAddress width: 100 validator: RegExpValidator { // four numbers separated by dots regExp: /\d+\.\d+\.\d+\.\d+/ ...Become 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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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.