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)

Optimizing form and C++

It's very important to learn how to optimize your form-based Qt 5 applications that are built with C++. The best way to do that is to learn how to measure and compare different methods that are used and decide which one works the best for you.

How to do it...

Let's get started by following these steps:

  1. Let's create a Qt Widgets Application project and open up mainwindow.cpp. After that, add the following headers to the top of the source code:
#include <QPushButton>
#include <QGridLayout>
#include <QMessageBox>
#include <QTime>
#include <QDebug>
  1. Create a QGridLayout object and set its parent as centralWidget:
MainWindow::MainWindow(QWidget *parent) : QMainWindow...