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Mastering Qt  5

Mastering Qt 5

By : Guillaume Lazar, Robin Penea
3.1 (8)
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Mastering Qt  5

Mastering Qt 5

3.1 (8)
By: Guillaume Lazar, Robin Penea

Overview of this book

Qt 5.11 is an app development framework that provides a great user experience and develops full capability applications with Qt Widgets, QML, and even Qt 3D. Whether you're building GUI prototypes or fully-fledged cross-platform GUI applications with a native look and feel, Mastering Qt 5 is your fastest, easiest, and most powerful solution. This book addresses various challenges and teaches you to successfully develop cross-platform applications using the Qt framework, with the help of well-organized projects. Working through this book, you will gain a better understanding of the Qt framework, as well as the tools required to resolve serious issues, such as linking, debugging, and multithreading. You'll start off your journey by discovering the new Qt 5.11 features, soon followed by exploring different platforms and learning to tame them. In addition to this, you'll interact with a gamepad using Qt Gamepad. Each chapter is a logical step for you to complete in order to master Qt. By the end of this book, you'll have created an application that has been tested and is ready to be shipped.
Table of Contents (16 chapters)
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Testing your GUI

It is now time to see how you can test your GUI using the Qt Test API. The QTest class offers several functions to simulate keys and mouse events.

To demonstrate it, we will stay with the notion of testing a Track state, but on an upper level. Rather than testing the Track state itself, we will check that the UI state of the drum-machine application is properly updated when the Track state is changed. Namely, the control buttons (play, stop, record) should be in a specific state when a recording is started.

Start by creating a TestGui class in the drum-machine-test project. Don't forget to add the TestGui class in the tests map of main.cpp. As usual, make it inherit QObject and update TestGui.h like so:

#include <QTest> 
 
#include "MainWindow.h" 
 
class TestGui : public QObject 
{ 
    Q_OBJECT 
public: 
    TestGui(QObject* parent = 0)...

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