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Whether 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
Executing Python Code 10
Variables and Objects 12
Numbers and Strings 15
Collections 29
Built-in Functions 37
Summary 41
Exercises 42
Conditional Branching 46
Looping 49
Functions 55
Exception Handling 66
Summary 72
Exercises 72
Creating Instances 77
Methods and Special Methods 79
Inheritance and Polymorphism 99
Modules and Multifile Applications 104
Summary 107
Exercises 108
A 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
Dumb Dialogs 141
Standard Dialogs 147
Smart Dialogs 154
Summary 162
Exercise 163
Creating a Main Window 166
Handling User Actions 190
Summary 201
Exercise 202
Designing User Interfaces 208
Implementing Dialogs 216
Testing Dialogs 221
Summary 223
Exercise 224
Main 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
Layout Policies 270
Tab Widgets and Stacked Widgets 272
Splitters 280
Single Document Interface(SDI) 283
Multiple Document Interface(MDI) 290
Summary 300
Exercise 301
The Event-Handling Mechanism 303
Reimplementing Event Handlers 305
Using the Clipboard 310
Drag and Drop 312
Summary 317
Exercise 318
Using Widget Style Sheets 322
Creating Composite Widgets 325
Subclassing Built-in Widgets 326
Subclassing QWidget 328
Summary 345
Exercise 346
Custom and Interactive Graphics Items 351
Animation and Complex Shapes 368
Summary 378
Exercise 379
Rich Text Editing 382
Printing Documents 398
Summary 411
Exercise 412
Using the Convenience Item Widgets 415
Creating Custom Models 423
Creating Custom Delegates 436
Summary 442
Exercise 443
Connecting to the Database 446
Executing SQL Queries 446
Using Database Form Views 451
Using Database Table Views 457
Summary 470
Exercise 471
Custom Views 476
Generic Delegates 483
Representing Tabular Data in Trees 492
Summary 505
Exercise 505
Online Help 510
Internationalization 512
Summary 519
Exercise 520
Creating a TCP Client 523
Creating a TCP Server 529
Summary 534
Exercise 534
Creating 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