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PySide6 Blueprints

Step-by-Step Desktop Application Development with Python and Qt6

Uros Calakovic

A straightforward introduction to PySide6: Create functional, cross-platform GUIs in Python with practical, step-by-step blueprints.

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About

About

About the Book

Dive into PySide6, the official Python bindings for Qt6, with this practical blueprint-style guide. This book attempts to break down essential Qt concepts into focused, reusable patterns—each featuring step-by-step walkthroughs, complete code examples, and notes.

From core fundamentals to intermediate topics, you'll master:

  • Widgets, layouts, buttons, input widgets, dialogs and containers
  • Signals, slots, custom signals, and event handling
  • Model-view programming
  • Multithreading
  • Object ownership, timers, properties, databases, processes, and state machines

The book is currently in progress (about 60% complete, regularly updated), and all existing content is available right now as a free sample download. All code is available on GitHub .

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Python

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Author

About the Author

Uros Calakovic

Contents

Table of Contents

1. Getting Started

  1. 1.1 Installation
  2. 1.2 Qt Widgets
  3. 1.3 Hello World
  4. 1.4 Hello World Again

2. Signals & Slots

  1. 2.1 Basic Signals & Slots Mechanism
  2. 2.2 Using Python Lambda Functions

3. Qt Widgets Layouts

  1. 3.1 Laying out Widgets Vertically - QVBoxLayout
  2. 3.2 Horizontal Layout - QHBoxLayout
  3. 3.3 Grid Layout - QGridLayout
  4. 3.4 Form Layout - QFormLayout

4. Display Widgets

  1. 4.1 Displaying Text with QLabel
  2. 4.2 Displaying Images with Qlabel
  3. 4.3 Displaying LCD-like Numbers with QLCDNumber

5. Qt Widgets Buttons

  1. 5.1 QPushButton
  2. 5.2 QCheckBox
  3. 5.3 QRadioButton

6. Numeric Widgets

  1. 6.1 QSpinBox
  2. 6.2 QDoubleSpinBox
  3. 6.3 QSlider
  4. 6.4 QDial

7. Text Widgets

  1. 7.1 QLineEdit
  2. 7.2 QTextEdit
  3. 7.3 QPlainTextEdit

8. List Widgets

  1. 8.1 QComboBox
  2. 8.2 QListWidget
  3. 8.3 QListView

9. Table Widgets

  1. 9.1 QTableWidget
  2. 9.2 QTableView

10. Tree Widgets

11. Containers

  1. 11.1 QGroupBox
  2. 11.2 QScrollArea
  3. 11.3 QToolBox
  4. 11.4 QTabWidget
  5. 11.5 QSplitter

12. Building Complex UIs with QMainWindow

  1. 12.1 Setting Up the Central Widget
  2. 12.2 Adding a Status Bar
  3. 12.3 Creating Menus and Actions
  4. 12.4 Adding Toolbars
  5. 12.5 Using Dock Widgets
  6. 12.6 Completing the Editor

13. Dialogs

  1. 13.1 Standard Message Dialogs with QMessageBox
  2. 13.2 Input Dialogs with QInputDialog
  3. 13.3 File Dialogs with QFileDialog
  4. 13.4 Color Selection with QColorDialog
  5. 13.5 Font Selection with QFontDialog
  6. 13.6 Creating Custom Dialogs by Subclassing QDialog

14. Complex Widgets

15. Further Topics

16. Further Topics

17. Object Trees and Ownership

  1. 17.1 Parent-Child Relationships
  2. 17.2 Reparenting Qt Objects
  3. 17.3 Finding Qt Object Children
  4. 17.4 Manual Ownership Transfer

18. More Signals & Slots

  1. 18.1 A Common Pitfall
  2. 18.2 Custom Signals
  3. 18.3 Signal Blocking
  4. 18.4 Connection Objects
  5. 18.5 Connecting Multiple Slots with a Signal
  6. 18.6 Disconnecting

19. Events

  1. 19.1 Event Handlers
  2. 19.2 Object Event Filters
  3. 19.3 Application-Wide Event Filters
  4. 19.4 Event Propagation
  5. 19.5 Custom Events

20. Timers

  1. 20.1 Single-Shot
  2. 20.2 Starting and Stopping a Timer
  3. 20.3 Adjusting a Timer Interval
  4. 20.4 Countdown Timer
  5. 20.5 Stopwatch

21. Properties

22. Model-View Programming with QAbstractListModel

  1. 22.1 Read-only List Model
  2. 22.2 Editable List Model
  3. 22.3 Editable List Model with Data-Widget Mapping
  4. 22.4 Resizable List Model

23. Model-View Programming with QAbstractTableModel

  1. 23.1 Basic Read-Only Table Model
  2. 23.2 Making the Table Model Editable
  3. 23.3 Using Data Widget Mapper with Table Models
  4. 23.4 Resizable Table Model

24. Model-View Programming with QAbstractItemModel

25. Model-View Programming - Delegates

26. Model-View Programming - Sorting, Filtering and Selection

27. Multithreading - moveToThread

  1. 27.1 Blocking the Qt GUI: How Not to Do It
  2. 27.2 A Minimal Working Example
  3. 27.3 Walking the Filesystem
  4. 27.4 Reusing the QThread object
  5. 27.5 Walking the Filesystem reusing the QThread Object
  6. 27.6 Signals and Slots Across Threads

28. Using a QThread subclass

  1. 28.1 A Minimal Example
  2. 28.2 Walking the Filesystem

29. Multithreading with QThreadPool and QRunnable

  1. 29.1 A Minimal Example
  2. 29.2 Walking the Filesystem

30. Thread Synchronization

  1. 30.1 Race Condition Demo
  2. 30.2 Queued Signal-Slot Connection
  3. 30.3 QMutex
  4. 30.4 QMutexLocker
  5. 30.5 QSemaphore
  6. 30.6 QSemaphoreReleaser
  7. 30.7 QWaitCondition

31 More Timers

32. Signals & Slots Connection Types

  1. 32.1 Direct Connection
  2. 32.2 Queued Connection
  3. 32.3 Blocking Queued Connection

33. Databases

34. Processes

35. State Machines

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