Tkinter GUI Programming by Example电子书

Title Page

Copyright and Credits

Tkinter GUI Programming by Example

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Contributors

About the author

About the reviewer

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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

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