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Desktop Apps with Python PyQt5

This hands-on guide shows you how to build desktop applications with Python and the PyQt5 framework. PyQt is a powerful toolkit, but its documentation can be overwhelming — this book focuses only on what you need to get started. You'll learn how to use widgets, layouts, signals, and events to build responsive apps. Along the way, you’ll create practical projects like a BMI calculator, a web browser, and a text editor using Qt Designer and Python. By the end, you’ll be confident building and customizing your own software for Windows, macOS, or Linux.

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About the Book

Want to build real desktop apps with Python? This book teaches you how to create powerful cross-platform applications using PyQt5 — no previous GUI experience needed. Learn by doing, with step-by-step examples that run on Windows, macOS, and Linux.

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Author

About the Author

Frank Anemaet

Sharing my experience in Software Development here on Leanpub. I have a background in Computer Science and worked with nearly every programming language on the planet. I graduated with highest distinction during my masters program. I've worked on projects ranging from Robotics, Web Apps, Mobile Apps to Embedded Systems.

Contents

Table of Contents

Introduction

  1. Qt and PyQt
  2. Python

Chapter 1: Install PyQt

  1. Installation on Mac OS X
  2. Installation on Windows
  3. Linux Install (Ubuntu)

Chapter 2: First Programs

  1. Window
  2. Hello World (Label)

Chapter 3: Basic PyQt5 features

  1. Buttons
  2. Signals and slots
  3. Widgets
  4. Layouts
  5. Styles
  6. MessageBox
  7. Dialogs
  8. Text Input
  9. Events

Chapter 4: Menu

  1. File Menu
  2. Toolbar

Chapter 6: Designer tool

  1. Designer
  2. How it works

Chapter 7: BMI calculator project

  1. Create an BMI calculator app with Designer
  2. Design the app
  3. Load the UI file
  4. Link Python to UI

Chapter 8: Web Browser Project

  1. Design the app
  2. Load the UI file
  3. Connect Python to UI

Chapter 9: Text Editor Project

  1. Create a Text Editor with Designer
  2. Load the UI file
  3. Link Python to UI

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