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Rapid GUI Programming with Python and Qt - Mark Summerfield

Rapid GUI Programming with Python and Qt

The Definitive Guide to PyQt Programming
Buch | Hardcover
648 Seiten
2007
Prentice Hall (Verlag)
978-0-13-235418-9 (ISBN)
CHF 83,75 inkl. MwSt
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The Insider's Best-Practice Guide to Rapid PyQt 4 GUI DevelopmentWhether you're building GUI prototypes or full-fledged cross-platform GUI applications with native look-and-feel, PyQt 4 is your fastest, easiest, most powerful solution. Qt expert Mark Summerfield has written the definitive best-practice guide to PyQt 4 development.

With Rapid GUI Programming with Python and Qt you'll learn how to build efficient GUI applications that run on all major operating systems, including Windows, Mac OS X, Linux, and many versions of Unix, using the same source code for all of them. Summerfield systematically introduces every core GUI development technique: from dialogs and windows to data handling; from events to printing; and more. Through the book's realistic examples you'll discover a completely new PyQt 4-based programming approach, as well as coverage of many new topics, from PyQt 4's rich text engine to advanced model/view and graphics/view programming. Every key concept is illuminated with realistic, downloadable examples—all tested on Windows, Mac OS X, and Linux with Python 2.5, Qt 4.2, and PyQt 4.2, and on Windows and Linux with Qt 4.3 and PyQt 4.3.

Coverge includes



Python basics for every PyQt developer: data types, data structures, control structures, classes, modules, and more



Core PyQt GUI programming techniques: dialogs, main windows, and custom file formats



Using Qt Designer to design user interfaces, and to implement and test dialogs, events, the Clipboard, and drag-and-drop



Building custom widgets: Widget Style Sheets, composite widgets, subclassing, and more



Making the most of Qt 4.2's new graphics/view architecture



Connecting to databases, executing SQL queries, and using form and table views



Advanced model/view programming: custom views, generic delegates, and more



Implementing online help, internationalizing applications, and using PyQt's networking and multithreading facilities

Mark Summerfield works as an independent trainer and consultant specializing in C++, Qt, Python, and PyQt. He was Trolltech’s documentation manager from 2000 to 2004, was the founding editor of Qt Quarterly, Trolltech’s customer newsletter, and coauthored C++ GUI Programming with Qt 3 and C++ GUI Programming with Qt 4.

Foreword xiiiIntroduction 1Part I: Python Programming Chapter 1. Data Types and Data Structures 9Executing Python Code 10

Variables and Objects 12

Numbers and Strings 15

Collections 29

Built-in Functions 37

Summary 41

Exercises 42

Chapter 2. Control Structures 45Conditional Branching 46

Looping 49

Functions 55

Exception Handling 66

Summary 72

Exercises 72

Chapter 3. Classes and Modules 75Creating Instances 77

Methods and Special Methods 79

Inheritance and Polymorphism 99

Modules and Multifile Applications 104

Summary 107

Exercises 108

Part II: Basic GUI Programming Chapter 4. Introduction to GUI Programming 111A Pop-Up Alert in 25 Lines 112

An Expression Evaluator in 30 Lines 116

A Currency Converter in 70 Lines 121

Signals and Slots 127

Summary 136

Exercise 137

Chapter 5. Dialogs 139Dumb Dialogs 141

Standard Dialogs 147

Smart Dialogs 154

Summary 162

Exercise 163

Chapter 6. Main Windows 165Creating a Main Window 166

Handling User Actions 190

Summary 201

Exercise 202

Chapter 7. Using Qt Designer 205Designing User Interfaces 208

Implementing Dialogs 216

Testing Dialogs 221

Summary 223

Exercise 224

Chapter 8. Data Handling and Custom File Formats 227Main Window Responsibilities 229

Data Container Responsibilities 235

Saving and Loading Binary Files 240

Saving and Loading Text Files 249

Saving and Loading XML Files 256

Summary 265

Exercise 266

Part III: Intermediate GUI Programming Chapter 9. Layouts and Multiple Documents 269Layout Policies 270

Tab Widgets and Stacked Widgets 272

Splitters 280

Single Document Interface(SDI) 283

Multiple Document Interface(MDI) 290

Summary 300

Exercise 301

Chapter 10. Events, the Clipboard, and Drag and Drop 303The Event-Handling Mechanism 303

Reimplementing Event Handlers 305

Using the Clipboard 310

Drag and Drop 312

Summary 317

Exercise 318

Chapter 11. Custom Widgets 321Using Widget Style Sheets 322

Creating Composite Widgets 325

Subclassing Built-in Widgets 326

Subclassing QWidget 328

Summary 345

Exercise 346

Chapter 12. Item-Based Graphics 349Custom and Interactive Graphics Items 351

Animation and Complex Shapes 368

Summary 378

Exercise 379

Chapter 13. Rich Text and Printing 381Rich Text Editing 382

Printing Documents 398

Summary 411

Exercise 412

Chapter 14. Model/View Programming 413Using the Convenience Item Widgets 415

Creating Custom Models 423

Creating Custom Delegates 436

Summary 442

Exercise 443

Chapter 15. Databases 445Connecting to the Database 446

Executing SQL Queries 446

Using Database Form Views 451

Using Database Table Views 457

Summary 470

Exercise 471

Part IV: Advanced GUI Programming Chapter 16. Advanced Model/View Programming 475Custom Views 476

Generic Delegates 483

Representing Tabular Data in Trees 492

Summary 505

Exercise 505

Chapter 17. Online Help and Internationalization 509Online Help 510

Internationalization 512

Summary 519

Exercise 520

Chapter 18. Networking 521Creating a TCP Client 523

Creating a TCP Server 529

Summary 534

Exercise 534

Chapter 19. Multithreading 537Creating a Threaded Server 539

Creating and Managing Secondary Threads 544

Implementing a Secondary Thread 552

Summary 557

Exercise 558

This Is Not Quite the End 559

Appendix A. Installing 561Appendix B. Selected PyQt Widgets 575Appendix C. Selected PyQt Class Hierarchies 581Index 585

Erscheint lt. Verlag 29.10.2007
Reihe/Serie Prentice Hall Open Source Software Development Series
Verlagsort Upper Saddle River
Sprache englisch
Maße 184 x 234 mm
Gewicht 1160 g
Themenwelt Mathematik / Informatik Informatik Betriebssysteme / Server
Informatik Programmiersprachen / -werkzeuge Python
Mathematik / Informatik Informatik Software Entwicklung
Mathematik / Informatik Informatik Web / Internet
ISBN-10 0-13-235418-7 / 0132354187
ISBN-13 978-0-13-235418-9 / 9780132354189
Zustand Neuware
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