Python GUI FAQ

Common Python GUI Questions, Answered

Answers to our users most frequently answered questions, from licensing, packaging and libraries, to PyQt tips and tricks.

Showing articles for All (293) PyQt6 (38) PySide6 (9) PyQt5 (136) Streamlit (0) Tkinter (1) PySide2 (12) Kivy (0)
PyQt5

Q&A: How to show a custom cursor on a PyQtGraph plot?

Changing the OS cursor and implementing a custom crosshair

Q&A: How to fix widgets appearing as separate windows?

Understanding Qt parents and layouts and the effect on widget position
PyQt6

Running Python script with QProcess after freeze

How to bundle and run external Python scripts from a frozen PyQt6 application
PyQt5

QDateEdit widget does not respond to setSelectedSection

Published 24.07.2021
PyQt5

Q&A: How can I enable editing on a QTableView in PyQt5?

Modifying your model to allow editing of your data source
PyQt6

Q&A: How can I enable editing on a QTableView in PyQt6?

Modifying your model to allow editing of your data source
PySide2

How to Enable Editing on a QTableView in PySide2

Modifying your QAbstractTableModel to allow in-place editing of table data
PySide6

Q&A: How can I enable editing on a QTableView in PySide6?

Modifying your model to allow editing of your data source
PyQt5

Tableview delete rows works only one time

Published 19.07.2021
PySide6

PySide6.QtCore.QThreadPool().start() (only one signature)

Published 06.07.2021
PySide6

Create a tree using threads

Published 27.06.2021
PySide2

QTimer, threads, and non-gui events

Published 27.06.2021
PySide2

Fixing the Drop Prohibited Icon in QTableView Drag and Drop

How to enable row reordering with drag and drop in QTableView using a custom model
PyQt6

Rendering Radial Gradients in in PyQt6

How to fix the "Could not parse node: radialGradient" error when rendering SVGs in PyQt6

How to refresh a QTreeView in PyQt?

Updating the displayed directory in a QTreeView with QFileSystemModel
PyQt5

Why can't the button be set size and other styles?

Published 08.06.2021
PyQt5

QDataWidgetMapper with relational model and qcomboxes working of relations

Published 06.06.2021

Is it possible to access system env vars in Qt?

Reading sourced Bash environment variables from your Python Qt application
PyQt5

Actions in one thread changing data in another

Published 31.05.2021
PyQt5

GUI freezing for second run

Published 30.05.2021

Tableview with pagination and edit save button every row

Published 28.05.2021
PyQt6

How is QMdiArea supposed to be used?

Working with QMdiArea and QMdiSubWindow in PyQt6, including how to handle subwindow closing and visibility
PyQt5

Editing QTableView cells

Allowing users to update the data in a model view

Matplotlib with QtQuick (QML)

Published 23.05.2021
PyQt5

Bluetooth Device Scanning with PyQt5 QtBluetooth

How to discover Bluetooth and Bluetooth Low Energy devices using PyQt5's QtBluetooth module
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