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Qt5 C++ GUI Programming Cookbook

Qt5 C++ GUI Programming Cookbook

By : Eng
3 (4)
Buy this Book
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Qt5 C++ GUI Programming Cookbook

Qt5 C++ GUI Programming Cookbook

3 (4)
By: Eng
Buy this Book

Overview of this book

With the advancement of computer technology, the software market is exploding with tons of software choices for the user, making their expectations higher in terms of functionality and the look and feel of the application. Therefore, improving the visual quality of your application is vital in order to overcome the market competition and stand out from the crowd. This book will teach you how to develop functional and appealing software using Qt5 through multiple projects that are interesting and fun. This book covers a variety of topics such as look-and-feel customization, GUI animation, graphics rendering, implementing Google Maps, and more. You will learn tons of useful information, and enjoy the process of working on the creative projects provided in this book
Table of Contents (15 chapters)
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Preface
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Preface
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Who this book is for
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What this book covers
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To get the most out of this book
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Sections
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Get in touch
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1
Look-and-Feel Customization with Qt Designer
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Look-and-Feel Customization with Qt Designer
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Introduction
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Technical requirements
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Using style sheets with Qt Designer
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Customizing basic style sheets
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Creating a login screen using style sheets
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Using resources in style sheets
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Customizing properties and sub-controls
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Styling in Qt Modeling Language (QML)
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Exposing the QML object pointer to C++
2
Event Handling - Signals and Slots
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Event Handling - Signals and Slots
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Introduction
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Technical requirements
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New signals and slots syntax
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UI events with signals and slots
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Asynchronous programming made easier
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Function callbacks
3
States and Animations with Qt and QML
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States and Animations with Qt and QML
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Introduction
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Technical requirements
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Property animation in Qt
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Using easing curves to control property animation
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Creating an animation group
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Creating a nested animation group
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State machines in Qt
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States, transitions, and animations in QML
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Animating widget properties using animators
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Sprite animation
4
QPainter and 2D Graphics
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QPainter and 2D Graphics
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Introduction
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Technical requirements
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Drawing basic shapes onscreen
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Exporting shapes to SVG files
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Coordinate transformation
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Displaying images onscreen
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Applying image effects to graphics
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Creating a basic paint program
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Rendering a 2D canvas in QML
5
OpenGL Implementation
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OpenGL Implementation
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Introduction
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Technical requirements
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Setting up OpenGL in Qt
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Hello World!
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Rendering 2D shapes
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Rendering 3D shapes
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Texturing in OpenGL
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Basic lighting in OpenGL
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Moving an object using keyboard controls
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3D canvas in QML
6
Using Network and Managing Large Documents
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Using Network and Managing Large Documents
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Introduction
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Technical requirements
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Creating a TCP server
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Creating a TCP client
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Uploading and downloading files using FTP
7
Threading Basics - Asynchronous Programming
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Threading Basics - Asynchronous Programming
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Introduction
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Technical requirements
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Using threads
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QObject and QThread
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Data protection and sharing data between threads
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Working with QRunnable processes
8
Building a Touch Screen Application with Qt5
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Building a Touch Screen Application with Qt5
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Introduction
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Technical requirements
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Setting up Qt for mobile applications
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Designing a basic user interface with QML
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Touch events
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Animation in QML
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Displaying information using model/view
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Integrating QML and C++
9
XML Parsing Made Easy
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XML Parsing Made Easy
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Technical requirements
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Processing XML data using the stream reader
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Writing XML data using the Stream Writer
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Processing XML data using the QDomDocument class
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Writing XML data using the QDomDocument class
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Using Google's Geocoding API
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Conversion Library
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Conversion Library
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Introduction
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Technical requirements
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Converting data
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Converting images
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Converting videos
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Converting currency
11
Accessing Databases with SQL Driver and Qt
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Accessing Databases with SQL Driver and Qt
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Introduction
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Technical requirements
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Setting up a database
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Connecting to a database
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Writing basic SQL queries
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Creating a login screen with Qt
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Displaying information from a database on a model view
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Advanced SQL queries
12
Develop Web Applications using Qt WebEngine
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Develop Web Applications using Qt WebEngine
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Introduction
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Technical requirements
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Introducing Qt WebEngine
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Using WebView and web settings
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Embedding Google Maps in your project
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Calling C++ functions from JavaScript
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Calling JavaScript functions from C++
13
Performance Optimization
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Performance Optimization
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Introduction
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Technical requirements
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Optimizing form and C++
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Profiling and optimizing QML
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Rendering and animation
14
Other Books You May Enjoy
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Other Books You May Enjoy
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Designing a basic user interface with QML

In this example, we will learn how to use Qt Quick Designer to design our program's user interface.

How to do it…

  1. First of all, create a new Qt Quick application project, just like we did in the previous recipe. You can also use the previous project files if you wish to.
  2. You will see two QML files in your project resources—main.qml and MainForm.ui.qml. The former is where we implement the logic for our application, and the latter is where we design our user interface. We will start with the UI design, so let's open up MainForm.ui.qml. Once it's been opened by Qt Creator, you will see an entirely different UI editor compared to the one we used in previous chapters. This editor is called the Qt Quick Designer, which is used specifically to design UI for Qt Quick projects. The components of this editor are described as follows:
    • Library: The Library window displays all the predefined QML types that you can add to your UI canvas...
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Tech Concepts
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Programming languages
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Qt5 C++ GUI Programming Cookbook
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