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 (224) PyQt6 (90) PySide6 (87) PyQt5 (208) Tkinter (85) PySide2 (90)

What does @Slot() do?

Published 10.05.2020
PyQt5

Why did the output on the QAbstractTableModel look so strange when I accidentally omitted "if role == Qt.DisplayRole:"?

Published 09.05.2020

Q&A: How to check if a QLineEdit is empty?

Empty strings are falsey in Python

AttributeError module 'time' has no attribute 'clock'

Using PyQtGraph with Python 3.8
PyQt5

Add widgets in a kind of library show in the QT Designer

Published 07.05.2020
PyQt5

AttributeError: 'MainWindow' object has no attribute 'onWindowTitleChange'

Published 07.05.2020
PyQt5

Check whether a QLineEdit is empty or not

Published 07.05.2020
PyQt5

Complex data in PyQt models

Published 07.05.2020
PyQt5

Dialogs question Accept/Cancel

Published 07.05.2020
PyQt5

Matplotlib not taking whole of the window

Published 07.05.2020
PyQt5

ModelView Autoselection

Published 07.05.2020
PyQt5

Problem packaging with PyInstaller

Published 07.05.2020
PyQt5

PyQtGraph error module 'time' has no attribute 'clock'

Published 07.05.2020
PyQt5

PyQtGraph errors in Spyder/IPython

Published 07.05.2020
PyQt5

PyQtGraph issue running in console

Published 07.05.2020
PyQt5

PyQtGraph plotting over time

Published 07.05.2020
PyQt5

Signals, Slots and Events: NameError: name 'QMainWindow' is not defined

Published 07.05.2020
PyQt5

.ui files with fbs

Published 07.05.2020

Writing for PyQt5 & PySide2

Published 07.05.2020

Implementing QPainter flood fill in PyQt5/PySide

Filling irregular regions in a QPainter canvas
PyQt5

Q&A: How do I display an Image in PyQt5?

Using QLabel to easily add images to your applications
Tkinter

When To Use Pack, Place Or Grid In Tkinter

Choosing which layout manager to use in your UI

PyQt5 vs PySide2

What's the difference between the two Python Qt libraries? ...and what's exactly the same (most of it)

QtWebEngineWidgets, the new browser API in PyQt 5.6

Simplified page model and asynchronous methods
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