Python GUI Programming-A Complete Reference Guide

<Python GUI Programming-A Complete Reference Guide> ▶What You Will Learn
- Visualize graphs in real time with Tkinter's animation capabilities
- Use PostgreSQL authentication to ensure data security for your application
- Write unit tests to avoid regression when updating code
- Handle different signals generated on mouse clicks using QSpinBox and sliders
- Employ network concepts, internet browsing, and Google Maps in UI
- Use graphics rendering to implement animations in your GUI

▶Key Features
- Integrate stunning data visualizations using Tkinter Canvas and Matplotlib
- Understand the basics of 2D and 3D animation in GUI applications
- Explore PyQt's powerful features to easily design and customize your GUI applications

▶Who This Book Is For
If you're an intermediate Python programmer looking to enhance your coding skills by writing powerful GUIs in Python using PyQT and Tkinter, this is an ideal Learning Path for you. A strong understanding of the Python language is a must to grasp the concepts explained in this book.

▶What this book covers
- Chapter 1, Introduction to Tkinter, introduces you to the basics of the Tkinter library and walks you through creating a Hello World application. It will also introduce you to IDLE as an example of a Tkinter application.

- Chapter 2, Designing GUI Applications with Tkinter, goes through the process of turning a set of user requirements into a design that we can implement.

- Chapter 3, Creating Basic Forms with Tkinter and ttk Widgets, shows you how to create a basic data entry form that appends data to a CSV file.

- Chapter 4, Reducing User Error with Validation and Automation, demonstrates how to automatically populate and validate data in our form's inputs.

- Chapter 5, Planning for the Expansion of Our Application, familiarizes you with how to break a small script into multiple files and build a Python module that you can import. It also contains some general advice on how to manage a larger code base.

- Chapter 6, Creating Menus with Menu and Tkinter Dialogs, outlines the creation of a main menu using Tkinter. It will also show the use of several built-in dialog types to implement common menu functionality.

- Chapter 7, Navigating Records with Treeview, details the construction of a records navigation system using the Tkinter Treeview and the conversion of our application from append-only to full read, write, and update capabilities.

- Chapter 8, Improving the Look with Styles and Themes, informs you of how to change the colors, fonts, and widget styles of your application, and how to use them to make your application more usable.

- Chapter 9, Creating Automated Tests with unittest, discusses how to verify your code with automated unit tests and integration tests.

- Chapter 10, Improving Data Storage with SQL, takes you through the conversion of our application from the CSV flat-files to SQL data storage. You'll learn all about SQL and relational data models as well.

- Chapter 11, Connecting to the Cloud, covers how to work with cloud services such as web services and FTP to download and upload data.

- Chapter 12, Visualizing Data Using the Canvas Widget, teaches you how to work with the Tkinter Canvas widget to create visualizations and animations.

- Chapter 13, Creating a User Interface with Qt Components, teaches you to use certain basic widgets of Qt Designer and how to display a welcome message along with the username. You will learn how to choose one out of several options using radio buttons and choose more than one out of several options by making use of checkboxes.

- Chapter 14, Event Handling – Signals and Slots, covers how to execute specific tasks on the occurrence of certain events on any widget, as well as how to copy and paste text from one Line Edit widget to another, convert data types and make a small calculator, and use spin boxes, scrollbars, and sliders. You will also learn to perform multiple tasks using the List Widget.

- Chapter 15, Understanding OOP Concepts, discusses object-oriented programming concepts such as how to use classes, single inheritance, multilevel inheritance in GUI applications, and multiple inheritance.

- Chapter 16, Understanding Dialogs, explores the use of certain dialogs, where each dialog is meant for fetching a different kind of information. You will also learn to take input from the user using input dialog.

- Chapter 17, Understanding Layouts, explains how to arrange widgets horizontally, vertically, and in different layouts by making use of Horizontal Layout, Vertical Layout, Grid Layout, as well as how to arrange widgets in two column layout using Form Layout.

- Chapter 18, Networking and Managing Large Documents, demonstrates how to make a small browser, establish a connection between client and server, create a dockable and floatable sign in form, and manage more than one document using MDI. Also, you will learn how to display information in sections using the Tab widget, and how to create a custom menu bar that invokes different graphics tools when a specific menu item is chosen.

- Chapter 19, Database Handling, outlines how to manage a SQLite database to keep information for future use. Using the knowledge gained, you will learn to make a signin form that checks whether a user's email address and password are correct or not.

- Chapter 20, Using Graphics, explains how to display certain graphics in the application. You will also learn how to create a toolbar of your own that contains certain tools that can be used to draw different graphics.

- Chapter 21, Implementing Animation, features how to display a 2D graphical image, make a ball move down on the click of a button, make a bouncing ball, and make a ball animate as per the specified curve.

- Chapter 22, Using Google Maps, showcases how to use the Google API to display location and other information. You will learn to derive the distance between two locations and display location on Google Maps on the basis of longitude and latitude values that are entered.