Book Image

Qt5 C++ GUI Programming Cookbook. - Second Edition

By : Lee Zhi Eng
Book Image

Qt5 C++ GUI Programming Cookbook. - Second Edition

By: Lee Zhi Eng

Overview of this book

With the growing need to develop GUIs for multiple targets and multiple screens, improving the visual quality of your application becomes important so that it stands out from your competitors. With its cross-platform ability and the latest UI paradigms, Qt makes it possible to build intuitive, interactive, and user-friendly user interfaces for your applications. Qt5 C++ GUI Programming Cookbook, Second Edition teaches you how to develop functional and appealing user interfaces using the latest version of QT5 and C++. This book will help you learn a variety of topics such as GUI customization and animation, graphics rendering, implementing Google Maps, and more. You will also be taken through advanced concepts like asynchronous programming, event handling using signals and slots, network programming, various aspects of optimizing your application. By the end of the book, you will be confident to design and customize GUI applications that meet your clients' expectations and have an understanding of best practice solutions for common problems.
Table of Contents (15 chapters)

Animating widget properties using animators

In this recipe, we will learn how to animate the properties of our GUI widgets using the animator feature that's provided by QML.

How to do it...

Animating QML objects is really easy if you perform the following steps:

  1. Create a Rectangle object and add a scale animator to it:
Rectangle {
id: myBox;
width: 50;
height: 50;
anchors.horizontalCenter: parent.horizontalCenter;
anchors.verticalCenter: parent.verticalCenter;
color: "blue";
ScaleAnimator {
target: myBox;
from: 5;
to: 1;
duration: 2000;
running: true;
}
}
  1. Add a rotation animator and set the running value in the parallel animation group, but not in...