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Learn Qt 5

You're reading from   Learn Qt 5 Build modern, responsive cross-platform desktop applications with Qt, C++, and QML

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Product type Paperback
Published in Feb 2018
Publisher Packt
ISBN-13 9781788478854
Length 346 pages
Edition 1st Edition
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Author (1):
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Nicholas Sherriff Nicholas Sherriff
Author Profile Icon Nicholas Sherriff
Nicholas Sherriff
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Toc

Summary

We have a flexible, decoupled navigation mechanism in place and are successfully transitioning between different views. We have the basics of a navigation bar in place and a working content pane as designed at the beginning of the chapter.

Having the UI call the business logic layer to emit a signal that the UI then reacts to may seem like a bit of a roundabout way of navigating between views, but this business logic signal/UI slot design brings benefits. It keeps the UI modular as the views don't need to know about each other. It keeps the logic for navigation in the business logic layer and enables that layer to request that the UI navigate the user to a particular view without needing to know anything about the UI or the view itself. Crucially, it also gives us intercept points so that when the user requests navigation to a given view, we can handle it and perform...

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