Rapid GUI programming with Python and Qt 1
Contents 8
Foreword 14
Introduction 16
Part I: Python Programming 22
Chapter 1. Data Types and Data Structures 24
Executing Python Code 25
Variables and Objects 27
Numbers and Strings 30
Collections 44
Built-in Functions 52
Summary 56
Exercises 57
Chapter 2. Control Structures 60
Conditional Branching 61
Looping 64
Functions 70
Exception Handling 81
Summary 87
Exercises 87
Chapter 3. Classes and Modules 90
Creating Instances 92
Methods and Special Methods 94
Inheritance and Polymorphism 114
Modules and Multifile Applications 119
Summary 122
Exercises 123
Part II: Basic GUI Programming 124
Chapter 4. Introduction to GUI Programming 126
A Pop-Up Alert in 25 Lines 127
An Expression Evaluator in 30 Lines 131
A Currency Converter in 70 Lines 136
Signals and Slots 142
Summary 151
Exercise 152
Chapter 5. Dialogs 154
Dumb Dialogs 156
Standard Dialogs 162
Smart Dialogs 169
Summary 177
Exercise 178
Chapter 6. Main Windows 180
Creating a Main Window 181
Handling User Actions 205
Summary 216
Exercise 217
Chapter 7. Using Qt Designer 220
Designing User Interfaces 223
Implementing Dialogs 231
Testing Dialogs 236
Summary 238
Exercise 239
Chapter 8. Data Handling and Custom File Formats 242
Main Window Responsibilities 244
Data Container Responsibilities 250
Saving and Loading Binary Files 255
Saving and Loading Text Files 264
Saving and Loading XML Files 271
Summary 280
Exercise 281
Part III: Intermediate GUI Programming 282
Chapter 9. Layouts and Multiple Documents 284
Layout Policies 285
Tab Widgets and Stacked Widgets 287
Splitters 295
Single Document Interface (SDI) 298
Multiple Document Interface (MDI) 305
Summary 315
Exercise 316
Chapter 10. Events, the Clipboard, and Drag and Drop 318
The Event-Handling Mechanism 318
Reimplementing Event Handlers 320
Using the Clipboard 325
Drag and Drop 327
Summary 332
Exercise 333
Chapter 11. Custom Widgets 336
Using Widget Style Sheets 337
Creating Composite Widgets 340
Subclassing Built-in Widgets 341
Subclassing QWidget 343
Summary 360
Exercise 361
Chapter 12. Item-Based Graphics 364
Custom and Interactive Graphics Items 366
Animation and Complex Shapes 383
Summary 393
Exercise 394
Chapter 13. Rich Text and Printing 396
Rich Text Editing 397
Printing Documents 413
Summary 426
Exercise 427
Chapter 14. Model/View Programming 428
Using the Convenience Item Widgets 430
Creating Custom Models 438
Creating Custom Delegates 451
Summary 457
Exercise 458
Chapter 15. Databases 460
Connecting to the Database 461
Executing SQL Queries 461
Using Database Form Views 466
Using Database Table Views 472
Summary 485
Exercise 486
Part IV: Advanced GUI Programming 488
Chapter 16. Advanced Model/View Programming 490
Custom Views 491
Generic Delegates 498
Representing Tabular Data in Trees 507
Summary 520
Exercise 520
Chapter 17. Online Help and Internationalization 524
Online Help 525
Internationalization 527
Summary 534
Exercise 535
Chapter 18. Networking 536
Creating a TCP Client 538
Creating a TCP Server 544
Summary 549
Exercise 549
Chapter 19. Multithreading 552
Creating a Threaded Server 554
Creating and Managing Secondary Threads 559
Implementing a Secondary Thread 567
Summary 572
Exercise 573
This Is Not Quite the End 574
Appendix A. Installing 576
Installing on Windows 576
Installing on Mac OS X 581
Installing on Linux and Unix 585
Appendix B. Selected PyQt Widgets 590
Appendix C. Selected PyQt Class Hierarchies 596
Index 600
A 601
B 602
C 604
D 606
E 608
F 610
G 611
H 611
I 612
J 613
K 613
L 614
M 615
N 616
O 616
P 617
Q 618
R 630
S 631
T 637
U 639
V 639
W 640
X 640
Y 640
Z 640
