Mark Summerfield - Rapid GUI Programming with Python and Qt.pdf

(6878 KB) Pobierz

Rapid GUI Programming with Python and Qt: The Definitive Guide to PyQt Programming

Table of Contents

About the Author........................................................................................ 2

Production.................................................................................................. 2

Introduction............................................................................................... 3

The Structure of the Book............................................................................................................................................................... 5

Acknowledgements......................................................................................................................................................................... 7

Python Programming.................................................................................. 8

Data Types and Data Structures..................................................................................................................................................... 8

Executing Python Code............................................................................................................................................................... 8

Variables and Objects................................................................................................................................................................ 12

Numbers and Strings................................................................................................................................................................. 16

Collections................................................................................................................................................................................. 32

Built-in Functions..................................................................................................................................................................... 42

Summary.................................................................................................................................................................................... 45

Exercises.................................................................................................................................................................................... 46

Control Structures......................................................................................................................................................................... 48

Conditional Branching.............................................................................................................................................................. 49

Looping...................................................................................................................................................................................... 52

Functions................................................................................................................................................................................... 58

Exception Handling................................................................................................................................................................... 70

Summary.................................................................................................................................................................................... 76

Exercises.................................................................................................................................................................................... 77

Classes and Modules..................................................................................................................................................................... 80

Creating Instances..................................................................................................................................................................... 82

Methods and Special Methods.................................................................................................................................................. 84

Inheritance and Polymorphism............................................................................................................................................... 105

Modules and Multi-File Applications....................................................................................................................................... 111

Summary.................................................................................................................................................................................. 114

Exercises................................................................................................................................................................................... 115

Basic GUI Programming.......................................................................... 116

Introduction to GUI Programming............................................................................................................................................. 116

A Pop-up Alert in 25 Lines....................................................................................................................................................... 117

An Expression Evaluator in 30 Lines...................................................................................................................................... 122

A Currency Converter in 70 Lines........................................................................................................................................... 129

Signals and Slots...................................................................................................................................................................... 134

Summary.................................................................................................................................................................................. 144

Exercise.................................................................................................................................................................................... 145

Dialogs......................................................................................................................................................................................... 145

Dumb Dialogs........................................................................................................................................................................... 147

Standard Dialogs...................................................................................................................................................................... 154

Smart Dialogs........................................................................................................................................................................... 161

Summary.................................................................................................................................................................................. 169

Exercise.................................................................................................................................................................................... 170

Main Windows............................................................................................................................................................................. 172

Creating a Main Window......................................................................................................................................................... 174

Handling User Actions............................................................................................................................................................ 201

Summary.................................................................................................................................................................................. 212

Exercise.................................................................................................................................................................................... 214

Using Qt Designer........................................................................................................................................................................ 215

Designing User Interfaces........................................................................................................................................................ 217

Implementing Dialogs............................................................................................................................................................. 228

Testing Dialogs........................................................................................................................................................................ 233

Summary................................................................................................................................................................................. 234

Exercise.................................................................................................................................................................................... 235

Data Handling and Custom File Formats................................................................................................................................... 236

Rapid GUI Programming with Python and Qt: The Definitive Guide to PyQt Programming

Prepared for Paul Waddell, Safari ID: pwaddell@u.washington.edu

By Mark Summerfield ISBN: 9780132354189 Publisher: Prentice Hall

Print Publication Date: 2007/10/19

This PDF is exclusively for your use in accordance with the Safari Terms of Service. No part of it may be reproduced or transmitted in any form by any means without the prior

written permission for reprints and excerpts from the publisher. Redistribution or other use that violates the fair use priviledge under U.S. copyright laws (see 17 USC107) or that

otherwise violates the Safari Terms of Service is strictly prohibited.

Rapid GUI Programming with Python and Qt: The Definitive Guide to PyQt Programming

Main Window Responsibilities............................................................................................................................................... 239

Data Container Responsibilities............................................................................................................................................. 244

Saving and Loading Binary Files............................................................................................................................................ 250

Saving and Loading Text Files................................................................................................................................................ 258

Saving and Loading XML Files............................................................................................................................................... 266

Summary.................................................................................................................................................................................. 275

Exercise.................................................................................................................................................................................... 276

Intermediate GUI Programming............................................................. 276

Layouts and Multiple Documents............................................................................................................................................... 277

Layout Policies......................................................................................................................................................................... 278

Tab Widgets and Stacked Widgets.......................................................................................................................................... 279

Splitters................................................................................................................................................................................... 288

Single Document Interface (SDI)............................................................................................................................................ 291

Multiple Document Interface (MDI)...................................................................................................................................... 298

Summary................................................................................................................................................................................. 308

Exercise................................................................................................................................................................................... 309

Events, the Clipboard, and Drag & Drop.................................................................................................................................... 310

The Event Handling Mechanism............................................................................................................................................. 310

Reimplementing Event Handlers............................................................................................................................................ 312

Using the Clipboard................................................................................................................................................................. 318

Drag and Drop......................................................................................................................................................................... 319

Summary................................................................................................................................................................................. 325

Exercise.................................................................................................................................................................................... 326

Custom Widgets.......................................................................................................................................................................... 327

Using Widget Style Sheets...................................................................................................................................................... 328

Creating Composite Widgets................................................................................................................................................... 331

Subclassing Built-in Widgets.................................................................................................................................................. 333

Subclassing QWidget............................................................................................................................................................... 335

Summary.................................................................................................................................................................................. 351

Exercise.................................................................................................................................................................................... 352

Item-Based Graphics................................................................................................................................................................... 353

Custom and Interactive Graphics Items................................................................................................................................. 355

Animation and Complex Shapes............................................................................................................................................. 373

Summary................................................................................................................................................................................. 382

Exercise................................................................................................................................................................................... 384

Rich Text and Printing................................................................................................................................................................ 384

Rich Text Editing..................................................................................................................................................................... 386

Printing Documents................................................................................................................................................................ 402

Summary.................................................................................................................................................................................. 415

Exercise.................................................................................................................................................................................... 416

Model/View Programming.......................................................................................................................................................... 417

Using the Convenience Item Widgets..................................................................................................................................... 419

Creating Custom Models......................................................................................................................................................... 427

Creating Custom Delegates..................................................................................................................................................... 439

Summary................................................................................................................................................................................. 446

Exercise.................................................................................................................................................................................... 447

Databases.................................................................................................................................................................................... 447

Connecting to the Database.................................................................................................................................................... 448

Executing SQL Queries........................................................................................................................................................... 449

Using Database Form Views................................................................................................................................................... 454

Using Database Table Views................................................................................................................................................... 460

Summary.................................................................................................................................................................................. 473

Exercise.................................................................................................................................................................................... 474

Advanced GUI Programming................................................................... 475

Advanced Model/View Programming........................................................................................................................................ 475

Custom Views.......................................................................................................................................................................... 476

Generic Delegates.................................................................................................................................................................... 483

Representing Tabular Data in Trees....................................................................................................................................... 492

Summary................................................................................................................................................................................. 506

Exercise................................................................................................................................................................................... 506

Rapid GUI Programming with Python and Qt: The Definitive Guide to PyQt Programming

Prepared for Paul Waddell, Safari ID: pwaddell@u.washington.edu

By Mark Summerfield ISBN: 9780132354189 Publisher: Prentice Hall

Print Publication Date: 2007/10/19

This PDF is exclusively for your use in accordance with the Safari Terms of Service. No part of it may be reproduced or transmitted in any form by any means without the prior

written permission for reprints and excerpts from the publisher. Redistribution or other use that violates the fair use priviledge under U.S. copyright laws (see 17 USC107) or that

otherwise violates the Safari Terms of Service is strictly prohibited.

Rapid GUI Programming with Python and Qt: The Definitive Guide to PyQt Programming

Online Help and Internationalization........................................................................................................................................ 508

Online Help............................................................................................................................................................................. 509

Internationalization................................................................................................................................................................. 512

Summary................................................................................................................................................................................. 520

Exercise.................................................................................................................................................................................... 521

Networking.................................................................................................................................................................................. 521

Creating a TCP Client.............................................................................................................................................................. 523

Creating a TCP Server............................................................................................................................................................. 529

Summary................................................................................................................................................................................. 534

Exercise.................................................................................................................................................................................... 535

Multithreading............................................................................................................................................................................ 536

Creating a Threaded Server..................................................................................................................................................... 538

Creating and Managing Secondary Threads........................................................................................................................... 543

Implementing a Secondary Thread......................................................................................................................................... 552

Summary.................................................................................................................................................................................. 557

Exercise.................................................................................................................................................................................... 558

This Is Not Quite The End....................................................................................................................................................... 559

Installing................................................................................................. 560

Installing on Windows................................................................................................................................................................ 560

Installing on Mac OS X............................................................................................................................................................... 565

Installing on Linux and Unix...................................................................................................................................................... 570

Selected PyQt Widgets............................................................................. 574

Selected PyQt Class Hierarchies.............................................................. 579

Rapid GUI Programming with Python and Qt: The Definitive Guide to PyQt Programming

Prepared for Paul Waddell, Safari ID: pwaddell@u.washington.edu

By Mark Summerfield ISBN: 9780132354189 Publisher: Prentice Hall

Print Publication Date: 2007/10/19

This PDF is exclusively for your use in accordance with the Safari Terms of Service. No part of it may be reproduced or transmitted in any form by any means without the prior

written permission for reprints and excerpts from the publisher. Redistribution or other use that violates the fair use priviledge under U.S. copyright laws (see 17 USC107) or that

otherwise violates the Safari Terms of Service is strictly prohibited.

Rapid GUI Programming with Python and Qt: The Definitive Guide to PyQt Programming

Contents

Page 1

Return to Table of

Many of the designations used by manufacturers and sellers to distinguish their products

are claimed as trademarks. Where those designations appear in this book, and the

publisher was aware of a trademark claim, the designations have been printed with initial

capital letters or in all capitals.

The author and publisher have taken care in the preparation of this book, but make no

expressed or implied warranty of any kind and assume no responsibility for errors or

omissions. No liability is assumed for incidental or consequential damages in connection

with or arising out of the use of the information or programs contained herein.

The publisher offers excellent discounts on this book when ordered in quantity for bulk

purchases or special sales, which may include electronic versions and/or custom covers

and content particular to your business, training goals, marketing focus, and branding

interests. For more information, please contact:

U.S. Corporate and Government Sales

(800) 382-3419

corpsales@pearsontechgroup.com

For sales outside the United States, please contact:

International Sales

international@pearsoned.com

Visit us on the Web:

www.prenhallprofessional.com

Library of Congress Cataloging-in-Publication Data

Summerfield, Mark

Rapid GUI programming with Python and Qt / Mark Summerfield.

p. cm.

Includes bibliographical references and index.

ISBN 0-13-235418-7 (pbk.: alk. paper)

1. Graphical user interfaces (Computer systems) 2. C++ (Computer program language)

QA76.9.????? 2006

005.4'37—dc22

?????

Rapid GUI Programming with Python and Qt: The Definitive Guide to PyQt Programming

Prepared for Paul Waddell, Safari ID: pwaddell@u.washington.edu

By Mark Summerfield ISBN: 9780132354189 Publisher: Prentice Hall

Print Publication Date: 2007/10/19

This PDF is exclusively for your use in accordance with the Safari Terms of Service. No part of it may be reproduced or transmitted in any form by any means without the prior

written permission for reprints and excerpts from the publisher. Redistribution or other use that violates the fair use priviledge under U.S. copyright laws (see 17 USC107) or that

otherwise violates the Safari Terms of Service is strictly prohibited.

Plik z chomika:

cho-mik9613

Inne pliki z tego folderu:

Antony Polukhin - Boost C++ Application Development Cookbook.pdf (3669 KB)
Beej - Guide to Network Programming.pdf (734 KB)
Ben Lynn - Git Magic.pdf (382 KB)
Bruce Eckel - Thinking in Java 4th Edition.pdf (6273 KB)
Charles Petzold - Programming Windows (5th Edition, WinAPI).pdf (6950 KB)

Mark Summerfield - Rapid GUI Programming with Python and Qt.pdf

Plik z chomika:

Inne pliki z tego folderu:

Inne foldery tego chomika: