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Tkinter GUI Application Development Blueprints - Second Edition电子书

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10人正在读 | 0人评论 9.8

作       者:Bhaskar Chaudhary

出  版  社:Packt Publishing

出版时间:2018-03-20

字       数:52.9万

所属分类: 进口书 > 外文原版书 > 电脑/网络

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Geometry Management, Event Handling, and more About This Book ? A Practical, guide to learn the application of Python and GUI programming with tkinter ? Create multiple cross-platform real-world projects by integrating host of third party libraries and tools ? Learn to build beautiful and highly interactive user interfaces, targeting multiple devices. Who This Book Is For This book is for a beginner to intermediate-level Pythonists who want to build modern, cross-platform GUI applications with the amazingly powerful Tkinter. Prior knowledge of Tkinter is required. What You Will Learn ? A Practical, guide to help you learn the application of Python and GUI programming with Tkinter ? Create multiple, cross-platform, real-world projects by integrating a host of third-party libraries and tools ? Learn to build beautiful and highly interactive user interfaces, targeting multiple devices. In Detail Tkinter is the built-in GUI package that comes with standard Python distributions. It is a cross-platform package, which means you build once and deploy everywhere. It is simple to use and intuitive in nature, making it suitable for programmers and non-programmers alike. This book will help you master the art of GUI programming. It delivers the bigger picture of GUI programming by building real-world, productive, and fun applications such as a text editor, drum machine, game of chess, audio player, drawing application, piano tutor, chat application, screen saver, port scanner, and much more. In every project, you will build on the skills acquired in the previous project and gain more expertise. You will learn to write multithreaded programs, network programs, database-driven programs, asyncio based programming and more. You will also get to know the modern best practices involved in writing GUI apps. With its rich source of sample code, you can build upon the knowledge gained with this book and use it in your own projects in the discipline of your choice. Style and approach An easy-to-follow guide, full of hands-on examples of real-world GUI programs. The first chapter is a must-read as it explains most of the things you need to get started with writing GUI programs with Tkinter. Each subsequent chapter is a stand-alone project that discusses some aspects of GUI programming in detail. These chapters can be read sequentially or randomly, depending on the reader's experience with Python.
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Title Page

Copyright and Credits

Tkinter GUI Application Development Blueprints Second Edition

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

Technical requirements

Project overview

Getting started

GUI programming – the big picture

The root window – your drawing board

Widgets – the building blocks of GUI programs

Some important widget features

Ways to create widgets

Getting to know the core Tkinter widgets

Adding widgets to a parent window

The Tkinter geometry manager

The pack geometry manager

The grid geometry manager

The place geometry manager

Events and callbacks – adding life to programs

Command binding

Passing arguments to callbacks

Limitations of the command option

Event binding

Event patterns

Binding levels

Handling widget-specific variables

Event unbinding and virtual events

Doing it in style

Specifying styles

Some common root window options

Getting interactive help

Summary

QA section

Further reading

Making a Text Editor

Project overview

Getting started – setting up the editor skeleton

Adding a menu and menu items

Adding menu items

Implementing the View menu

Adding a built-in functionality

Indexing and tagging

Index

Tags

Implementing the Select All feature

Implementing the Find Text feature

Types of Toplevel window

Working with forms and dialogs

Working with message boxes

The icons toolbar and View menu functions

Displaying line numbers

Adding the cursor information bar

Adding themes

Creating a context/pop-up menu

Summary

QA section

Further reading

Programmable Drum Machine

Getting started

Technical requirements

Setting up the GUI in OOP

Finalizing the data structure

Creating broader visual elements

Defining getter and setter methods

The number of units and beats per unit features

Loading drum samples

Playing the drum machine

Initializing pygame

Playing complete patterns

Determining the tempo of a rhythm

Tkinter and threading

Tkinter and thread safety

Support for multiple beat patterns

Saving beat patterns

Working with ttk-themed widgets

Summary

QA section

Further reading

Game of Chess

An overview of the chapter

Module requirements for this chapter

Structuring our program

Modeling the data structure

Convention on naming chess pieces

Convention for naming locations on the chessboard

Creating a Piece class

Displaying chess pieces on the chessboard

Defining rules for the chess pieces

Rules for the king, queen, rooks, and bishops

Rules for the Knight

Rules for a pawn

Movement validation of chess pieces

Tracking all available moves

Finding out the current position of the king

Checking whether the king is in check

Making the game functional

Getting the source and destination position

Collecting a list of the moves that need to be highlighted

Highlighting allowed moves

Pre-move validation

Check whether a move will cause check on the King

Recording a move in the data structure

Keep game statistics

Managing user preferences

Summary

QA section

Further reading

Building an Audio Player

An overview of the chapter

External library requirements

The pyglet module

Pmw Tkinter extension

Program structure and broadview skeleton

Deciding the data structure

Creating the Player class

Adding and removing items from a playlist

Adding a single audio file

Removing the selected files from a playlist

Adding all files from a directory

Emptying the playlist

Playing audio and adding audio controls

Adding the play/stop function

Adding the pause/unpause function

Adding the mute/unmute function

Fast forward/rewind function

Adding the next track/previous track function

Adding the volume change function

Creating a seek bar

One-time updates during audio playback

Managing continuous updates

Looping over tracks

Adding a tooltip

Pmw list of extensions

Widgets

Dialogs

Miscellaneous

Summary

QA section

Further reading

Paint Application

Overview of the application

Creating a tiny framework

Setting up a broad GUI structure

Dealing with mouse events

Adding toolbar buttons

Drawing items on the canvas

Adding a color palette

Adding top bar options for draw methods

Drawing irregular lines and super shapes

Drawing irregular lines

Drawing super shapes

Adding functionality to the remaining buttons

Adding functionality to menu items

Summary

QA section

Further reading

Piano Tutor

Technical requirements

A brief primer on piano terms

Learning about scales

Learning about chords

Building the broad GUI structure

Putting up the skeleton structure

Making the piano keyboard

Putting the keyboard together

Playing audio

Building the scales tutor

Building the chord finder section

Building the chord progression tutor

Building the score maker

A note on window responsiveness

Experimenting with the code

Handling widget resize with <Configure>

Summary

QA section

Further reading

Fun with Canvas

Building a screen saver

Graphing with Tkinter

Polar plots with Tkinter

Gravity simulation

Drawing fractals

Voronoi diagrams

Spring pendulum simulation

Chaos game – building triangles out of randomness

Phyllotaxy

3D graphics with Tkinter

Summary

QA section

Further reading

Multiple Fun Projects

Technical requirements

Building a Snake game

Understanding a race condition

Using synchronization primitives

Using queues

Building the Snake game

The View class

The Food class

The Snake class

Queue handler

Creating a Weather Reporter application

A simple socket demo

Building a port scanner

Building a chat application

Creating a phone book application

Creating a new record

Reading from the database

Updating records

Deleting records

Using asyncio with Tkinter

Interfacing with hardware/serial communication

Hardware

Writing the Arduino sketch

Reading serial data

Summary

QA section

Further reading

Miscellaneous Tips

Tracing Tkinter variables

Widget traversal

Validating user input

Key validation mode demo

Focus-out validation mode demo

Formatting widget data

More on fonts

Finer control over font

Building a font selector

Redirecting the command-line output to Tkinter

The class hierarchy of Tkinter

Tips for program design

The model-first policy versus the code-first policy

Separating the model from the view

Selecting the right data structure

Naming variables and methods

The Single Responsibility Principle

Loose coupling

Handling errors and exceptions

Handling cross-platform differences

Tips for program optimization

Using filter and map

Optimizing variables

Profiling your program

Other optimization tips

Distributing a Tkinter application

py2exe

py2app

PyInstaller

Other freezing tools

The limitations of Tkinter

A limited number of core widgets

Non-Python objects

No support for printing

No support for newer image formats

Inactive development community

Alternatives to Tkinter

wxPython

PyQt

PySide

PyGTK

Other options

Tkinter in Python 2.x

Summary

QA section

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