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Hands-On GUI Programming with C++ and Qt5

By : Eng, Lee Z Eng

3 (8)

Hands-On GUI Programming with C++ and Qt5

3 (8)

By: Eng, Lee Z Eng

Overview of this book

Qt 5, the latest version of Qt, enables you to develop applications with complex user interfaces for multiple targets. It provides you with faster and smarter ways to create modern UIs and applications for multiple platforms. This book will teach you to design and build graphical user interfaces that are functional, appealing, and user-friendly. In the initial part of the book, you will learn what Qt 5 is and what you can do with it. You will explore the Qt Designer, discover the different types of widgets generally used in Qt 5, and then connect your application to the database to perform dynamic operations. Next, you will be introduced to Qt 5 chart which allows you to easily render different types of graphs and charts and incorporate List View Widgets in your application. You will also work with various Qt modules, like QtLocation, QtWebEngine, and the networking module through the course of the book. Finally, we will focus on cross-platform development with QT 5 that enables you to code once and run it everywhere, including mobile platforms. By the end of this book, you will have successfully learned about high-end GUI applications and will be capable of building many more powerful, cross-platform applications.

Preface

Preface

Who this book is for

What this book covers

To get the most out of this book

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Free Chapter

Introduction to Qt

Introduction to Qt

What is Qt?

Downloading and installing Qt

Running our first Hello World Qt program

Summary

Qt Widgets and Style Sheets

Qt Widgets and Style Sheets

Introduction to Qt Designer

Basic Qt widgets

Qt Style Sheets

Summary

Database Connection

Database Connection

Introducing the MySQL database system

Setting up the MySQL database

SQL commands

Database connection in Qt

Creating our functional login page

Summary

Graphs and Charts

Graphs and Charts

Types of charts and graphs in Qt

Implementing charts and graphs

Creating the dashboard page

Summary

Item Views and Dialogs

Item Views and Dialogs

Working with item view widgets

Working with dialog boxes

Creating File Selection Dialogs

Image scaling and cropping

Summary

Integrating Web Content

Integrating Web Content

Creating your own web browser

Sessions, cookies, and cache

Integrating JavaScript and C++

Summary

Map Viewer

Map Viewer

Map display

Marker and shape display

Obtaining a user's location

Geo Routing Request

Summary

Graphics View

Graphics View

Graphics View framework

Summary

The Camera Module

The Camera Module

The Qt multimedia module

Connecting to the camera

Capturing a camera image to file

Recording a camera video to file

Summary

Instant Messaging

Instant Messaging

The Qt networking module

Creating an instant messaging server

Creating an instant messaging client

Summary

Implementing a Graphics Editor

Implementing a Graphics Editor

Drawing vector shapes

Saving vector images to an SVG File

Creating a paint program

Summary

Cloud Storage

Cloud Storage

Setting up the FTP server

Displaying the file list on the list view

Uploading files to the FTP server

Downloading files from the FTP server

Summary

Multimedia Viewers

Multimedia Viewers

Revisiting the multimedia module

The image viewer

The music player

The video player

Summary

Qt Quick and QML

Qt Quick and QML

Introduction to Qt Quick and QML

Qt Quick widgets and controls

Qt Quick Designer

Qt Quick layouts

Basic QML scripting

Summary

Cross-Platform Development

Cross-Platform Development

Understanding compilers

Build settings

Deploying to PC platforms

Deploying to mobile platforms

Summary

Testing and Debugging

Testing and Debugging

Debugging techniques

Debuggers supported by Qt

Unit testing

Summary

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Qt Widgets and Style Sheets

One of the advantages of using Qt for software development is that it's very easy to design a program's graphical user interface (GUI ) using the tools provided by Qt. Throughout this book, we will try and create a single project that involves many different components and modules of Qt. We will go through each section of the project in each chapter, so that you will eventually be able to grasp the entire Qt Framework and at the same time complete demo projects, which is a really valuable item to add to your portfolio. You can find all the source code at https://github.com/PacktPublishing/Hands-On-GUI-Programming-with-C-QT5.

In this chapter, we will cover the following topics:

Introduction to Qt Designer
Basic Qt widgets
Qt Style Sheets

In this chapter, we will take a deep look into what Qt can offer us when it comes to designing sleek-looking...

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