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Tkinter GUI Programming by Example.pdf

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    Title Page
    Copyright and Credits
    Tkinter GUI Programming by Example
    Packt Upsell
    Why subscribe?
    PacktPub.com
    Contributors
    About the author
    About the reviewer
    Packt is searching for authors like you
    Preface
    Who this book is for
    What this book covers
    To get the most out of this book
    Download the example code files
    Download the color images
    Conventions used
    Get in touch
    Reviews
    Meet Tkinter
    Installation
    How will the code be structured?
    Geometry managers
    pack
    grid
    place
    To pack or to grid?
    Getting going
    Adding interactivity
    Using variables
    Our first try
    Creating Tkinter-compatible variables
    Using and updating
    Fixing our application
    Showing messages
    Showing information with showinfo
    Showing warnings or errors
    Getting feedback from the user
    Getting text input
    Summary
    Back to the Command Line – Basic Blackjack
    Python's class system
    Instances
    Inheritance
    Blackjack's classes
    The Card class
    The Deck class
    The Hand class
    The Game class and main loop
    Command line versus GUI
    Interactivity
    Familiarity
    Ease of use
    Size and portability
    Summary
    Jack is Back in Style – the Blackjack GUI
    Moving from the command line to a graphical interface
    The Canvas widget
    Creating a graphical blackjack game
    Card, Deck, and Hand
    The GameState class
    The GameScreen class
    Playing our game
    Summary
    The Finishing Touches – Sound and Animation
    Python's module system
    The blackjack packages
    The casino package
    The casino_sounds package
    Setting up a virtual environment
    Creating the package
    The blackjack.py file
    Initializing the GameWindow class
    The GameScreen class
    The GameState class
    Choosing to hit
    Choosing to stick
    Running out of money
    Finishing off
    Summary
    Creating a Highly Customizable Python Editor
    The ttk submodule
    Styling a tk widget
    Styling a ttk widget
    Ttk style inheritance
    Beginning our text editor
    Tkinter's event system
    Binding an event
    Overwriting default events
    Generating events
    Events in our text editor
    A second top-level window
    Summary
    Color Me Impressed! – Adding Syntax Highlighting
    Tkinter's indexing system
    Getting the cursor's position
    Named indexes
    Special strings
    Line endings
    Horizontal movement
    Vertical movement
    Line beginning and end
    Word beginning and end
    Expanding our demo
    Using tags
    Searching text
    Adding syntax highlighting to our text editor
    The Highlighter class
    Using our Highlighter class
    The LineNumbers class
    Using our LineNumbers class
    Integrating our FindWindow class
    Using our FindWindow class
    Summary
    Not Just for Restaurants – All About Menus
    The Menu widget
    A menu bar
    A floating menu
    Adding a menu bar to our text editor
    Adding a context menu to our text editor
    Handling files
    Changing the syntax highlighting
    Changing the editor's font
    The Listbox widget
    The Spinbox widget
    Saving the user's choices
    Changing the editor's color scheme
    Summary
    Talk Python to Me – a Chat Application
    Creating a scrollable frame
    Creating our FriendsList class
    Creating our ChatWindow class
    Creating our SmilieSelect class
    Summary
    Connecting – Getting Our Chat Client Online
    Introduction to flask
    Our first web page
    Using JSON
    The requests module
    Sending a GET request
    Sending a POST request
    The sqlite3 module
    Creating a database and table
    Adding data to a SQLite database
    Selecting data from a SQLite database
    Linking flask and sqlite
    Updating our FriendsList class
    Creating the Requester class
    Connecting our FriendsList to our web service
    Connecting our ChatWindow
    Updating our server to store conversations
    Creating the Conversation class
    Using the Conversation class in our server
    Adding the new endpoints to our Requester
    Updating our ChatWindow class to send requests to the server
    Summary
    Making Friends – Finishing Our Chat Application
    Using threads
    Why use a thread with a GUI application?
    Using a thread
    Adding a Thread to our ChatWindow
    Creating new endpoints
    The ListeningThread class
    Implementing the ListeningThread class in our ChatWindow
    Allowing users to upload avatars
    The AvatarWindow class
    Adjusting the database
    Adding server endpoints
    Updating the FriendsList class
    Manipulating images with PIL
    Adding and blocking other users
    New database table
    Creating the server endpoints
    Tying it all together
    Summary
    Wrapping Up – Packaging Our Applications to Share
    Unexplored widgets
    The LabelFrame widget
    The Checkbutton and Radiobutton widgets
    The OptionMenu and Combobox widgets
    The Notebook widget
    Packaging applications
    Adjusting our text editor for portability
    Preparing to package with setup.py
    Installing our text editor
    Cross-platform using Pip
    Windows
    Linux
    macOS
    Summary
    Other Books You May Enjoy
    Leave a review - let other readers know what you think
    Download from finelybook www.finelybook.com Tkinter GUI Programming by Example Learn to create modern GUIs using Tkinter by building real-world projects in Python David Love 2
    Download from finelybook www.finelybook.com BIRMINGHAM - MUMBAI 3
    Download from finelybook www.finelybook.com Tkinter GUI Programming by Example Copyright © 2018 Packt Publishing All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing or its dealers and distributors, will be held liable for any damages caused or alleged to have been caused directly or indirectly by this book. Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information. Commissioning Editor: Aaron Lazar Acquisition Editor: Denim Pinto Content Development Editor: Anugraha Arunagiri Technical Editor: Subhalaxmi Nadar Copy Editor: Safis Editing Project Coordinator: Ulhas Kambali Proofreader: Safis Editing Indexer: Aishwarya Gangawane Graphics: Tania Dutta Production Coordinator: Arvindkumar Gupta First published: April 2018 Production reference: 1240418 Published by Packt Publishing Ltd. Livery Place 35 Livery Street Birmingham B3 2PB, UK. ISBN 978-1-78862-748-1 www.packtpub.com 4
    Download from finelybook www.finelybook.com mapt.io Mapt is an online digital library that gives you full access to over 5,000 books and videos, as well as industry leading tools to help you plan your personal development and advance your career. For more information, please visit our website. 5
    Download from finelybook www.finelybook.com Why subscribe? Spend less time learning and more time coding with practical eBooks and Videos from over 4,000 industry professionals Improve your learning with Skill Plans built especially for you Get a free eBook or video every month Mapt is fully searchable Copy and paste, print, and bookmark content 6
    Download from finelybook www.finelybook.com PacktPub.com Did you know that Packt offers eBook versions of every book published, with PDF and ePub files available? You can upgrade to the eBook version at www.Pa cktPub.com and as a print book customer, you are entitled to a discount on the eBook copy. Get in touch with us at service@packtpub.com for more details. At www.PacktPub.com, you can also read a collection of free technical articles, sign up for a range of free newsletters, and receive exclusive discounts and offers on Packt books and eBooks. 7
    Download from finelybook www.finelybook.com Contributors 8
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