Book Image

Mastering Qt 5 - Second Edition

By : Guillaume Lazar, Robin Penea
Book Image

Mastering Qt 5 - Second Edition

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)

Composing your Gallery app

Alright, we completed AlbumListWidget, AlbumWidget, and PictureWidget. If you remember correctly, AlbumListWidget and AlbumWidget are contained in a widget called GalleryWidget.

Let's take a look at the GalleryWidget.ui file:

This widget does not contain any standard Qt widgets, only our created widgets. Qt provides two ways to use your own widgets in the Qt designer:

  • Promoting widgets: This is the fastest and easiest way
  • Creating widget plugin for Qt designer: This is more powerful but more complex

In this chapter, we will use the first way, which consists of placing a generic QWidget as a placeholder and then promoting it to our custom widget class. You can follow these steps to add the albumListWidget and albumWidget objects to the GalleryWidget.ui file from the Qt designer:

  1. Drag and drop a Widget from Containers to your form
  2. Set the objectName...