1 or later. ISBN: 9781484279991. In this tutorial, I will go over how to 1) install Qt Designer, 2) design an UI, and 3) link the UI file to a PyQt6. Python GUI Development with PyQt6 & Qt Designer. This complete PySide2 tutorial takes you from first concepts to building fully-functional GUI applications in Python. Signals and learn how PyQt6 uses the event loop to handle and respond to. Create a file alongside main. • Those who are interested in building GUI applications using Python, PyQt6 and Qt Designer • Beginner and advanced developers in python who wants to learn PyQt6 GUI Development • Students who want to learn a new skill in Python and wants to create desktop GUI applications What you will learn: √ Introduction to PyQt6 and Installation. The former is not free for commercial projects. Take your first steps building apps with Python & Qt6 Extended UI features. I just tried to download all the “latest versions” of everything to get started on my first GUI project, and assumed I’d need pyqt6-tools to work with pyqt6. mp4 -If you are looking to develop cross-platform GUI applications using Python, PyQt is a handy toolkit. Learning to do so efficiently and effectively is a fundamental skill for you to get up and running with GUI application development using. This book teaches programmers how to write programs using PyQt 4, the Python bindings for the Qt 4 application development framework. 14. You can build a grid layout with Qt Designer in the same way as for other layouts. The only thing you need is Python 3. 5. exe app from your Script directory. 10 or higher, you can install Python 3. 此课程面向哪些人： 对使用 Python、PyQt6 和 Qt Designer 构建 GUI 应用程序感兴趣的人 想要学习 PyQt6 GUI 开发的 Python 初学者和高级开发人员 想要学习 Python 新技能并想要创建桌面 GUI 应用程序的学生 ----- ** 对于正常学习的同学，三连之后，可以私信UP要配. After fill all the details in the Pyqt5 Gui form, If we click the push button, the the entered details will be inserted in the mysql server database table. Connect button presses to actions in your apps with Signals, Slots & Events. 1. Mastering GUI Programming with Python. Fortunately, you can use the Qt documentation to fill in the blanks. streamlilt run quickstart. Using Python & Qt6 you can create fully functional desktop apps in minutes. net] - 09 - QtMultiMedia, QtWebEngine & Packaging PyQt Application [TutsNode. Throw in a little Zeep, and you’ve got a handy Python SOAP AXL interface with a modern Qt UI. ساخت اپلیکیشن های رابط کاربری گرافیکی (GUI) با PyQt6، پایتون و Qt Designer را آموزش ببینید. app = QApplication ( []) label = QLabel ('hello world') label. PyQt5 is a Python binding of the cross-platform GUI toolkit Qt. Joshua Willman is a software engineer with more than 12 years of experience developing applications in mainly Python and C++. The first thing to do is add our XML file, the one that contains our GUI, to the code. 9 in the C:\Python39 directory on Windows. And as a core KDE developer, Molkentin's head is full of real-world problems and solutions that he peppers liberally. Signals and learn how PyQt6 uses the event loop to handle and respond to. net] - 09 - QtMultiMedia, QtWebEngine & Packaging PyQt Application/002 Creating MediaPlayer with QtMultiMedia. Step by Step instruction on Integrating QT Designer in Pycharm : Python 3. py. PYTHON教程. PYTHON入门. Then we'll take a brief look at the event loop and how it relates to GUI programming in Python. Reload to refresh your session. After installation of PyQt6, now let’s create our coding, and we want to create our first window with PyQt6. pressed signal — e. In this article, we'll explore and compare Tkinter and PyQt. Starting from the very basics, this modern PyQt6 book takes you on a tour of the key features of PyQt6 you can use to build real-life applications. Installing Qt Designer will not affect your Python PyQt5/6 or PySide2/6 installation. In depth Python GUI courses. The actions for each button are defined in code and connected to this signal. ui files in the integrated Qt Designer, in Design mode. mp4 - 9. The latter is less mature, but can be used for free. HTTP download also available at fast speeds. 10. Best of all, Monty’s pinnacle of achievement, Python, runs on all these platforms, and there’s a Python version of Qt called PyQt. Drag and Drop Python GUI Designer for mobile apps, specialising for Android and IOS. Python GUI. This is a Python GUI Development with PyQt6 & Qt Designer course on building Graphical User Interface (GUI) Applications with Python and PyQt6, this Python GUI Development course is divided in to different parts and sections, in the first part we are going to have a simple introduction to PyQt , after that we go through installation process. Udemy. Learn how to build Graphical User Interface (GUI) applications with Python, PyQt6 and Qt Designer What you'll learn Introduction to PyQt6 and Installation Process. Hashes for PyQt5Designer-5. With this learning path, you’ll develop your Python GUI programming skills so that you can add interactive graphical user interfaces to your own programs with PyQt. PyQt5 and the Python Graphical Interface are two things that students who want to learn want to do. Each button is defined with a keyboard shortcut which triggers a . Displaying Text: QLabel is commonly used to show text on the GUI. py. ui files to store designs and does not generate any code itself pyuic4 takes a Qt4 user interface description file and compiles it to Python code The Python code is structured as a single class that is derived from the Python object typeThese are some of best Python GUI frameworks that developers can use to create desktop applications: PyQt6: PyQt6 is Python binding for Qt toolkit, it is cross platform application framework and it is widely used for developing GUI applications. It is implemented as more than 35 extension modules and enables Python to be used as an alternative application development language to C++ on all supported platforms including iOS and Android. We will start from where we got to in the previous tutorial. QT. (18) PyQt6 (5) PySide6 (5) PyQt5 (6). PyQt6 Book now available in Korean: 파이썬과 Qt6로 GUI 애플리케이션 만들기 was written by Martin Fitzpatrick . Since PyQt does not come included with your Python installation, the next step is to use pip to install the PyQt6 package from the Python Package Index (PyPI) . Follow asked Mar 13, 2021 at 12:13. While being simple and easy to learn, it is often criticized for it’s rather. Python 2023 Course in Depth: Beginners to Advanced. Create a file alongside main. The bindings are implemented as a set of Python modules and contain over 1,000 classes. Join My PyQt6 13 Hours Course in UdemyAffiliate. Udemy. Simple Calculator with Qt Designer是【Udemy付费课程】使用 PyQt6 和 Qt 设计器进行 Python GUI 开发（中英文字幕）的第19集视频，该合集共计134集，视频收藏或关注UP主，及时了解更多相关视频内容。. PyQt6 is a comprehensive set of Python bindings for Qt v6. Qt Creator automatically opens all . Qt designer is an interface editor specifically fo. Now you have made your first GUI app, let's go a step further adding widgets and layouts to build some simple Python UIs. In this course you will learn to add a graphical user interface to your applications using the PyQt6 and Qt Designer frameworks. 9 in a separate directory and use PyQt6 tools. To install PyQt6 from Python3 simply run --. Mark As Complete. 1. from PySide6. PyQt 4 is probably the fastest and easiest route into GUI. PyQt is a Qt library for python that allows the user interface (UI) files output by Qt Designer to be used to build Qt applications in python. 11. So i am making a GUI to identify seagulls. Description. The main modules for Qt are QtWidgets, QtGui and QtCore. In more technical terms, PyQt6 is a wrapper around the Qt6 library. 27:31. When you create a Python GUI in Qt Designer, it produces a special XML format-based file with the. PyQt6 for Windows can be installed as for any other application or library. Build a responsive dashboard for your Python application using the Custom Widgets extension that will add the side menu animations, shadow elevation effect,. I was after the tools package to get QT Designer to reduce my learning curve. py (Python) and main. This course will allow you to add GUI programming using PYQT5 to your box of tricks. It is build using PyQt6 and Python. The Skill that you will learn is: Python Desktop Application Development with PyQt. January 30, 2023 [AlgoExpert] React Crash Course. Use custom data stores and sync widgets automatically, allowing you to focus on the logic. This is the 5th Edition of Create GUI Applications with Python & Qt, updated for 2022 & PyQt6. 14. As of Qt 5. 3. Learn the. Use tabular views to display SQL databases and numpy or pandas datastructures. Add Scroll Area. I am trying to muddle my way through embedding a matplotlib figure inside of a Qt GUI created using Qt Designer. PyQt5. Because our goal is to create the most basic “hello world” GUI, we shall use the QApplication and QWidgets classes only. By making this small addition it's possible to use the calculator with a numeric pad. Add a description, image, and links to the python-gui-development topic page so that developers can more easily learn about it. PYTHON教程. Rather confusingly, Qt Designer isn't in here. Design beautiful UIs with Qt Designer and customize the look and feel of your applications with Qt Style Sheets and custom widgets. Congrats!For building QML applications you can use PyQt5, PySide2, PyQt6 or PySide6. PYTHON入门. Defining the layout for the calculator in Qt Designer. Italic, Bold and Underline Functionality是【Udemy付费课程】使用 PyQt6 和 Qt 设计器进行 Python GUI 开发（中英文字幕）的第60集视频，该合集共计134集，视频收藏或关注UP主，及时了解更多相关视频内. Applications built with PyQt5 will run on any platform supported by Qt & Python including Windows, OS X, Linux, iOS and Android. qrc Files (pyside6-rcc). QtWidgets import QApplication,QLabel. Starting from the very basics, this modern PyQt6 book takes you on a tour of the key features of PyQt6 you can use to build real-life applications. py, and rename it to pyqt_first. What collection of versions should I install. В этом видео мы начнем создавать приложение с графическим интерфейсом на Python используя фреймворк PySide6. 45 GB. در این دوره شما یاد خواهید گرفت تا با استفاده از فریم ورک های PyQt6 و Qt Designer رابط کاربری گرافیکی. Note: PyQt was first developed to target Python 2, which has an exec keyword. To run the GUI editor, you can execute the designer. 1. py”. To avoid a name conflict on those earlier versions of PyQt, an underscore was added to the end of . Arrange widgets together using Layouts to build real applications. Use custom data stores and sync widgets automatically, allowing you to focus on the logic. 5. 5GB. from PySide6. 此课程面向哪些人： 对使用 Python、PyQt6 和 Qt Designer 构建 GUI 应用程序感兴趣的人 想要学习 PyQt6 GUI 开发的 Python 初学者和高级开发人员 想要学习 Python 新技能并想要创建桌面 GUI 应用程序的学生 ----- ** 对于正常学习的同学，三连之后，可以私信UP要配. eyllanesc. Appendix: Reference Guide for PyQT6. Learning to do so efficiently and effectively is a fundamental skill for you to get up and running with GUI application development using. Tested on Windows(visu) and Raspberry Pi OS. exe (on Windows OS). Starting with Tk, later moving to wxWidgets and finally adopting PyQt & PySide. Tkinter is a Python binding to the Tk GUI toolkit. Hello Students . توضیحات. PyQt6 is a Python GUI framework for creating GUI applications using the Qt toolkit. Design beautiful UIs with Qt Designer and customize the look and feel of your applications with Qt Style Sheets and custom widgets. Pyside can be easily installed using Python pip. Qt is a GUI framework that works on Windows, Mac, and Linux. First we'll create a series of simple windows on your desktop to ensure that PyQt is working and introduce some of the basic concepts. An answer to a similar question here Replace CentralWidget in MainWindow, suggests using QStackedWidgets but they did not use Qt Designer to make their GUI apps whereas I have two . In this lesson we want to go through the steps to build simple Python GUI application using PyQt6. fundamental building blocks of PyQt applications 8212 Widgets, Layouts. Qt Designer is an application that lets you layout your Qt window or widget by dragging and dropping elements into a canvas. Building desktop applications to make data-analysis tools more user-friendly, Python was the obvious choice. Watch the following screencast —. Let's take a closer look at their performance aspects. The changes that are there can be easily worked around. Qt (and by extension PyQt & PySide) is not just a GUI library, but a complete application development framework. Both versions are almost completely compatible aside from imports. Python GUI. py and write down the following Python code. PYTHON教程. 2 Creating GUIs with QT Designer; 2. This course is about building Graphical User Interface (GUI) applications with Python and PyQt6, it is divided into different parts and sections, the first part is going to have a simple introduction to PyQt, the next part is going to focus on using different widgets and UI components in PyQt6, the next part is going to focus on creating a notepad application, the next part is going to focus. 1. Created by Riverbank Computing, PyQt is free software (GPL licensed) and has been in development since 1999. Qt using the PyQt bindings or Qt for Python. The first step is to select the group of widgets that you want to lay out using a grid layout manager. QT was created nearly 25 years ago and. How to Build Python GUI Applications in 2023. ui file then run the command/flag/args. PyQt is a set of Python bindings that allows developers to create highly customizable graphical user interfaces (GUIs) in Python. ui -o mainDialog. Product Details. Note: PyQt was first developed to target Python 2, which has an exec keyword. I am already able to create the figure I want just through Python. Here we're importing QApplication, the application handler and QWidget, a basic empty GUI widget, both from the QtWidgets module. Use Qt's MVC-like ModelViews framework to connect data sources to your widgets, including SQL databases, numpy and pandas data tables, to build-data driven application. Chapter 3: Adding More Functionality with Widgets. py file using your Python interpreter. py files, one is the main window file and the other of window that i want to show after a button press take place, hence i don't know how to combine these two in. Reload to refresh your session. bash. Create GUI Applications with Python & Qt6 (PyQt6 Edition): The hands-on guide to making apps with Python - Kindle edition by Fitzpatrick, Martin. uic. 10 Lesson 2 Assignment; Lesson 3 Python Geo and Data Science Packages & Jupyter Notebooks; Final Project Proposal Assignment; Lesson 4 Object-Oriented Programming. ui file to . Add a. python; pyqt5; qt-designer; pyqt6; Share. GUI. Shiboken6, a binding generator tool, which can be used to expose C++ projects to Python, and a Python. The name Tkinter comes from the Tk interface. Then we'll take a brief look at the event loop and how it relates to GUI programming in Python. . To avoid a name conflict on those earlier versions of PyQt, an underscore was added to the end of . 6. Laying out widgets properly will make your GUI applications look polished and professional. In this course i learned how to: Use PyQt6 and Qt Designer to build professional-looking GUI applications. Creating DonutChart是【Udemy付费课程】使用 PyQt6 和 Qt 设计器进行 Python GUI 开发（中英文字幕）的第104集视频，该合集共计134集，视频收藏或关注UP主，及时了解更多相关视频内容。. I'm trying to create a simple GUI in Python using PyQt6 and Qt Designer. In this PyQt6 tutorial, I will be showing you how to create a simple hello GUI desktop application in Python. Starting with Tk, later moving to wxWidgets and finally adopting PyQt. Run the complete code and this will be the result. PYTHON教程. 此课程面向哪些人： 对使用 Python、PyQt6 和 Qt Designer 构建 GUI 应用程序感兴趣的人 想要学习 PyQt6 GUI 开发的 Python 初学者和高级开发人员 想要学习 Python 新技能并想要创建桌面 GUI 应用程序的学生 ----- ***** 对于正常学习的同学，三连之后，可以私信UP要配. from PySide6. Use linked widgets for easy editing. Pyqt. In this tutorial I'll walk you step by step from simple Python GUIs to real useful apps. QSlider with Qt Designer是【Udemy付费课程】使用 PyQt6 和 Qt 设计器进行 Python GUI 开发（中英文字幕）的第34集视频，该合集共计134集，视频收藏或关注UP主，及时了解更多相关视频内容。. rs thanks to your work, but it appears to not been maintained in some time. Download Beginning Pyqt books, Learn GUI application development from the ground up, taking a practical approach by building simple projects that teach the fundamentals of using PyQt. Take this file, pyqt_skeleton. 1. Therefore, you need to install Python 3. 5. ui files to store designs and does not generate any code itself pyuic4 takes a Qt4 user interface description file and compiles it to Python code The Python code is structured as a single class that is derived from the Python object typePyQt’s layout managers provide a user-friendly and productive way of arranging graphical components, or widgets, on a GUI. python qt-designer python-gui python-desktop-application python-gui-development pyqt6-gui Updated Aug 2, 2023; Python; chempik1234. Just reading this report (and after. However, I felt that using Qt Designer. python; pyqt5; qt-designer; pyqt6; Share. Install PyQt6 on macOS Install. QCalendarWidget with Qt Designer是【Udemy付费课程】使用 PyQt6 和 Qt 设计器进行 Python GUI 开发（中英文字幕）的第43集视频，该合集共计134集，视频收藏或关注UP主，及时了解更多相关视频内容。Python GUI. Create an empty folder alongside the main. The examples describe widgets, explain layout management, cover menus and toolbars, dialogs, events and signals, and show how to do painting and create a game. 1 or later. QtWidgets import QApplication, QWidget. Use PyQt6's MVC-like interface to work efficiently with data, right in your applications. 34. Qt Designer is a powerful and functional graphic. PyQt's performance is exceptional, thanks to its underlying foundation, Qt. Map Viewer Example. A Qt wrapper that makes it extremely easy to create simple graphical interfaces. This command will start a development server, and on your web browser, you can see the following. His career has allowed him to participate in many different fields, from robotics, machine learning, and computer vision, to UI development, game development, and more. Chapter 2: Building a Simple GUI. The Rapid GUI Programming with Python and Qt book; The Qt Designer manual; Qt for Python’s documentation; Although the PyQt6 Documentation is the first resource listed here, some important parts of it are still missing or incomplete. Then, you can install QtDesigner: pyqt6-tools designer. Whether you choose Tkinter or PyQt will largely depend on your goals for writing GUI applications. Python GUI. PYTHON入门. This is a course on building Graphical User Interface (GUI) Applications with Python and PyQt6, this course is divided in to different parts and sections, in the first part we are going to have a simple introduction to PyQt , after that we go through installation process and what IDE we want to use, in the second part we focus on. Create a new file helloworld. ui file to a . Pyqt. py and main. Creating QSpinBox in PyQt6是【Udemy付费课程】使用 PyQt6 和 Qt 设计器进行 Python GUI 开发（中英文字幕）的第25集视频，该合集共计134集，视频收藏或关注UP主，及时了解更多相关视频内容。. Everything we've learned so far about Python classes is the basis of our future work in GUI development. py. PyQt6 may also be embedded in C++ based applications to allow users of those applications to. Python GUI. 7. Learn the. qml, to hold our UI definition in QML. Add toolbars & menus with keyboard. PyQt6 Book now available in Korean: 파이썬과 Qt6로 GUI 애플리케이션 만들기. PyQt6 may also be embedded in C++ based applications to allow. What is PyQt? PyQt is a python binding of the open-source widget-toolkit Qt, which also functions as a cross-platform application development framework. Implement various widgets such as labels, buttons, and text fields. Building desktop applications doesn't have to be difficult. PyQt is a Python binding for Qt, which is a set of C++ libraries and development tools that include platform-independent abstractions for GUIs, as well. py named main. You switched accounts on another tab or window. You can learn more about Streamlit in my previous post on the topic. Who this PyQt tutorial is for. python import sys from PyQt6 import QtCore, QtGui, QtWidgets from PyQt6 import uic class MainWindow(QtWidgets. QtWidgets import QApplication, QWidget. PySide provides access to all the GUI components and tools provided by QT. QT Designer will be located at MyPythonInstallationDirLibsite-packagespyqt5-tools and is named designer. The first window works fine, and the user gets to the next page. Insert into mysql database table through Python PyQt5 using Qt Designer. pyuic5 mainDialog. It is implemented as more than 35 extension modules and enables Python to be used as an alternative application development language to C++ on all supported platforms including iOS and Android. This is the 5th Edition of Create GUI Applications, updated for 2021 & PyQt6Starting from the very basics, this book takes you on a tour of the key features of PyQt6 you can use to build real-life applications. user input. Beginners who want to learn more about Python GUI Programming and how to use it to make apps. PYQT6 and QT designer, after opening second window, buttons wont work. Handling Key Press Event是【Udemy付费课程】使用 PyQt6 和 Qt 设计器进行 Python GUI 开发（中英文字幕）的第85集视频，该合集共计134集，视频收藏或关注UP主，及时了解更多相关视频内容。. 29. Creation of a GUI interface using Qt Designer starts with choosing a top level window for the application. PySide installation. It also provides helpers and application development tools for Qt ( PyQt5, PySide2, PyQt6, PySide6 ). ui -o mainDialog. It is the result of combining the versatile Python language with the powerful Qt library. After installation of PyQt6, now let’s create our coding, and we want to create our first window with PyQt6. Created by Riverbank Computing, PyQt is free software (GPL licensed) and has been in development since 1999. I can't, however, seem able to access any of the objects, i. PYTHON入门. python opencv gui ui filter pyqt5 turkish image-processing pillow video-processing python-3 qt-designer pyqt5-desktop-application. This is a course on building Graphical User Interface (GUI) Applications with Python and PyQt6, this course is divided in to different parts and sections, in the first part we are going to have a simple introduction to PyQt , after that. PyQt5 was released. This guide covers the basics, including widgets, layouts, MVC, and styling, as well as more advanced topics that include storing data using the clipboard, graphics and animation, support. You can compose and customize your windows or dialogs in a what-you-see-is-what-you-get (WYSIWYG). I have made some QMainWindow's and would like the user to nagviate through these using buttons. QtWidgets import QApplication,QLabel. This will load our GUI file into memory. so the command can be used through python: python -m PyQt6. pil python3 texteditor pycharm hacktoberfest notepad-plus-plus qscintilla pycharm-ide codeeditor pyqt6 pyside6 pyside6-designer Updated Nov 12, 2023; Python; seanwu1105 / vscode-qt-for-pythonInstallation on Windows. PyQt6 Book now available: Create GUI Applications with Python & Qt6 was written by Martin Fitzpatrick . __init__(*args, **kwargs) uic. PyQt6 for Windows can be installed as for any other application or library. eyllanesc. An Introduction to PyQt: creating GUIs with Python’s QT bindings - first published the December 2007 issue of Python Magazine . Python PyQt6 tutorial is an introductory tutorial to GUI programming with Python and PyQt6 library. Chapter 2: Building a Simple GUI. PyQT-tutorial - uses Qt Designer, very good for beginners. Now you have made your first GUI app, let's go a step further adding widgets and layouts to build some simple Python UIs. First, you need to install pyqt6-tools: pip install pyqt6-tools. py -x input. PyQt5 is a Python binding of the cross-platform GUI toolkit Qt. py. 2. Chapter 4: Learning About Layout Management. Once you have installed Qt, you can start Qt Designer in the same way as any other application on the development host. 5. Whether you use Qt Designer or code is entirely up to you. Hi @altendky , It appears this project remains very popular and useful to use. 此课程面向哪些人： 对使用 Python、PyQt6 和 Qt Designer 构建 GUI 应用程序感兴趣的人 想要学习 PyQt6 GUI 开发的 Python 初学者和高级开发人员 想要学习 Python 新技能并想要创建桌面 GUI 应用程序的学生 ----- ** 对于正常学习的同学，三连之后，可以私信UP要配. Create PyQt6 plots with the popular Python plotting library. PyQt 4 is probably the fastest and easiest route into GUI. Using Python & Qt6 you can create fully functional desktop apps in minutes. Extending your PySide apps with complex GUI behaviour. PyQt is built off of the C++ Qt library which is used for developing GUIs for a variety of multi-platform applications. PyQt6 allows developers to create desktop applications that can run on multiple platforms,. PyQt is an excellent GUI library of Python. QMainWindow): def __init__(self, *args, **kwargs): super(). See example below:Qt for Python#. Install SQLITE Manager. Create Gui Applications With Python Qt6 Pyside6 Edition by Joshua M. In addition to standard UI elements, such as widgets and layouts, Qt provides MVC-like data-driven views (spreadsheets, tables), database interfaces & models, graph plotting, vector graphics visualization, multimedia playback,. Top PyQt Courses Online - Updated [November 2023] New-learner offer | Courses from $14. A Qt wrapper that makes it extremely easy to create simple graphical interfaces. Popular, and free for commercial projects. The official home of the Python Programming Language. Willman, Beginning Pyqt Book available in PDF, EPUB, Mobi Format. Defining the layout for the calculator in Qt Designer. I am already able to create the figure I want just through Python. qml, to hold our UI definition in QML. This article is the first in a tutorial series on the python GUI library, PyQt6. GUI. He's been developing Python/Qt apps for 10 years. pip3 install pyqt6. There are two major versions currently in use: PyQt5 based on Qt5 and PyQt6 based on Qt6. PyQt6 Book now available in Korean: 파이썬과 Qt6로 GUI 애플리케이션 만들기. Learn how to build Graphical User Interface (GUI) applications with Python, PyQt6 and Qt Designer. qml called images. Another popular alternative you can use is the Python Tkinter library. This is a course on building Graphical User Interface (GUI) Applications with Python and PyQt6, this course is divided in to different parts and sections, in the first part we are going to have a simple introduction to PyQt , after that we go through installation process and what IDE we want to use, in the second part we focus on. In addition, the QFormBuilder class provides the possibility of constructing user interfaces from UI files at run-time. Learn GUI application development from the ground up by building simple projects that teach the fundamentals of using PyQt6.