Sign In Start Free Trial
Account

Add to playlist

Create a Playlist

Modal Close icon
You need to login to use this feature.
  • Book Overview & Buying Qt 6 C++ GUI Programming Cookbook
  • Table Of Contents Toc
  • Feedback & Rating feedback
Qt 6 C++ GUI Programming Cookbook

Qt 6 C++ GUI Programming Cookbook

By : Eng
5 (7)
close
close
Qt 6 C++ GUI Programming Cookbook

Qt 6 C++ GUI Programming Cookbook

5 (7)
By: 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 has become pivotal in helping it stand 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 UIs for your applications. The third edition of Qt 6 C++ GUI Programming Cookbook teaches you how to develop functional and appealing UIs using the latest version of Qt 6 and C++. This book will help you learn a variety of topics such as GUI customization and animation, graphics rendering, and implementing Google Maps. You’ll also be taken through advanced concepts such as asynchronous programming, event handling using signals and slots, network programming, and other aspects to optimize your application. By the end of this Qt book, you’ll have the confidence you need to design and customize GUI applications that meet your clients' expectations and have an understanding of best-practice solutions to common problems during the app development process.
Table of Contents (17 chapters)
close
close

Creating a basic paint program

Since we have learned so much about the QPainter class and how to use it to display graphics on screen, I guess it’s time for us to do something fun where we can put our knowledge into practice.

In this recipe, we will learn how to make a basic paint program that allows us to draw lines on a canvas with different brush sizes and colors. We will also learn how to use the QImage class and mouse events in order to construct the paint program.

How to do it…

Let’s start our fun project with the following steps:

  1. Again, we start by creating a new Qt Widgets Application project and removing the toolbar and status bar. We will keep the menu bar this time.
  2. After that, set up the menu bar like so:
Figure 4.16 – Setting up the menu bar

Figure 4.16 – Setting up the menu bar

  1. We will leave the menu bar as it is for the moment, so let’s proceed to the mainwindow.h file. First, include the following header files...

Unlock full access

Continue reading for free

A Packt free trial gives you instant online access to our library of over 7000 practical eBooks and videos, constantly updated with the latest in tech

Create a Note

Modal Close icon
You need to login to use this feature.
notes
bookmark search playlist download font-size

Change the font size

margin-width

Change margin width

day-mode

Change background colour

Close icon Search
Country selected

Close icon Your notes and bookmarks

Delete Bookmark

Modal Close icon
Are you sure you want to delete it?
Cancel
Yes, Delete

Delete Note

Modal Close icon
Are you sure you want to delete it?
Cancel
Yes, Delete

Edit Note

Modal Close icon
Write a note (max 255 characters)
Cancel
Update Note

Confirmation

Modal Close icon
claim successful

Buy this book with your credits?

Modal Close icon
Are you sure you want to buy this book with one of your credits?
Close
YES, BUY