PyQt5 not installed? Check out the installation guides for Windows, Linux and Mac.
Like writing any code, building PyQt5 applications is all about approaching it in the right way. In the first part of the
course we cover the fundamentals necessary to get you building Python GUIs as quickly as possible. By the end of the
first part you'll have a running
QApplication which we can then customise.
Creating your first app with PyQt
A simple Hello World! application with Python and Qt5
Signals, Slots & Events
Triggering actions in response to user behaviours and GUI events
Actions — Toolbars & Menus
Defining toolbars, menus and keyboard shortcuts with QAction
Using Qt5's library of built-in widgets to build your applications
Use layouts to effortlessly position widgets within the window
Dialogs and Alerts
Notify your users and ask for their input
As your applications get larger or interfaces become more complicated, it can get a bit cumbersome to define all elements programmatically. The good news is that Qt comes with a graphical editor Qt Designer (or Qt Creator) which contains a drag-and-drop UI editor — Qt Designer. In this PyQt5 tutorial we'll cover the basics of creating Python GUIs with Qt Designer.
First steps with Qt Designer
Use Qt Designer's drag and drop interface to design your GUI
Laying Out Your GUIs With Qt Designer
Use Qt Designer to effortlessly build your application UI
Embedding custom widgets from Qt Designer
Learn how to use custom widgets in your PyQt5 applications when designing with Qt Designer
Creating Dialogs With Qt Designer
Using the drag and drop editor to build PyQt5 dialogs
The QResource System
Using the QResource system to package additional data with your applications
In this PyQt5 tutorial we'll cover some small extensions you can use to improve your Python GUIs.
System tray & Mac menu bar applications
Add quick access functions to your apps
Add scrollable regions with QScrollArea
Run out of space in your GUI? Add a scrollable region to your application
Creating searchable widget dashboards
Make dashboard UIs easier to use with widget search & text prediction
Transmitting extra data with Qt Signals
Modifying widget signals to pass contextual information to slots
Creating additional windows
Opening new windows for your application
Now we've learnt the basics, we'll put it into practice building a real-life app. In this course we'll create a functional web browser using Qt5 widgets. Starting with the basics and then gradually extending it to add features like opening and saving pages, help, printing and tabbed browsing. Follow the tutorial step by step to create your own app, but feel free to experiment as you go.
The first steps building the browser with PyQt5
Adding navigational controls to a PyQt5 Web Browser
Hook up QAction signals to web browser slots
Open and save HTML in a PyQt5 browser
Adding file dialogs to load and save HTML
Adding application Help and About dialogs
Put some finishing touches to your application
Tabbed web browsing
Use signal redirection to add a multi-tab interface
As your applications become more complex you may finding yourself wanting to perform long-running tasks, such as interacting with remote APIs or performing complex calculations. By default any code you write exists in the same thread and process, meaning your long-running code can actually block Qt execution and cause your app to "hang". In this PyQt5 tutorial we'll cover how to avoid this happening and keep your applications running smoothly, no matter the workload.
All but the simplest of apps will usually need to interact with some kind of external data store — whether that's a database, a remote API or simple configuration data. The Qt ModelView architecture simplifies the linking and updating your UI with data in custom formats or from external sources. In this PyQt5 tutorial we'll discover how you can use Qt ModelViews to build high performance Python GUIs.
In addition to the simple bitmap graphics already covered, Qt provides API for vector graphics. Vector graphics can be used to build complex and interactive interfaces beyond the normal widget interface. They can also be used for plotting nice graphs with
PyQtGraph. In this PyQt5 tutorial we'll introduce vector graphics and have a look at plotting data with PyQtGraph.
Widgets in Qt are built on bitmap graphics — drawing pixels on a rectangular canvas to
construct the "widget". To be able to create your own custom widgets you first need to understand
QPainter system works and what you can do with it. In this PyQt5 tutorial we'll go
from basic bitmap graphics to our own entirely custom widget.
There comes a point in any app's development where it needs to leave home — half the fun in writing software is being able to share it with other people. Packaging Python apps can be a little tricky, but in this PyQt5 tutorial we'll cover how to package up your apps to share, whether commercially or just for fun.
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