Book Image

Qt5 Python GUI Programming Cookbook

By : B. M. Harwani
Book Image

Qt5 Python GUI Programming Cookbook

By: B. M. Harwani

Overview of this book

PyQt is one of the best cross-platform interface toolkits currently available; it's stable, mature, and completely native. If you want control over all aspects of UI elements, PyQt is what you need. This book will guide you through every concept necessary to create fully functional GUI applications using PyQt, with only a few lines of code. As you expand your GUI using more widgets, you will cover networks, databases, and graphical libraries that greatly enhance its functionality. Next, the book guides you in using Qt Designer to design user interfaces and implementing and testing dialogs, events, the clipboard, and drag and drop functionality to customize your GUI. You will learn a variety of topics, such as look and feel customization, GUI animation, graphics rendering, implementing Google Maps, and more. Lastly, the book takes you through how Qt5 can help you to create cross-platform apps that are compatible with Android and iOS. You will be able to develop functional and appealing software using PyQt through interesting and fun recipes that will expand your knowledge of GUIs
Table of Contents (20 chapters)
Title Page
Dedication
Packt Upsell
Contributors
Preface
Index

Creating a toolbar that shows different graphics tools


In this recipe, we will learn to create a toolbar that shows three toolbar buttons. These three toolbar buttons show the icons for the line, circle, and rectangle. When the user clicks the line toolbar button from the toolbar, he/she can click and drag the mouse on the form to draw a line between the two mouse locations. Similarly, by clicking on the circle toolbar button, the user can draw a circle on the form by clicking and dragging the mouse.

How to do it…

The focus of this recipe is to help you understand how frequently used commands in an application can be provided to the user via a toolbar, making them easy to access and use. You will learn to create toolbar buttons, define their shortcuts, and their icons too. To define the icons for the toolbar buttons, you will learn to create and use the resource file. The creation and execution of each toolbar button is explained very clearly step by step: 

  1. Let’s create a new application to...