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

Drawing text in a desired font and size


In this recipe, we will learn to draw text in a specific font and at a specific font size. Four widgets will be required in this recipe such as Text Edit, List Widget, Combo Box, and Push Button. The Text Edit widget will be used to enter the text that the user wants to display in the desired font and size. The List Widget box will display different font names that the user can select from. The Combo Box widget will display font sizes that the user can select to define the size of the text. The Push Button widget will initiate the action, that is, the text entered in the Text Edit widget will be displayed in the chosen font and size on clicking the push button. 

How to do it...

The QPainter class is the focus of this recipe. The setFont() and drawText() methods of the QPainter class will be used in this recipe. The setFont() method will be invoked to set the font style and font size chosen by the user and the drawText() method will draw the text written...