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Viser: Rapid GUI Programming with Python and Qt - The Definitive Guide to Pyqt Programming
Rapid GUI Programming with Python and Qt
The Definitive Guide to Pyqt Programming
Mark Summerfield
(2007)
Sprog: Engelsk
Pearson Education, Limited
668,00 kr.
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Detaljer om varen
- Hardback: 648 sider
- Udgiver: Pearson Education, Limited (Oktober 2007)
- ISBN: 9780132354189
The Insider's Best-Practice Guide to Rapid PyQt 4 GUI Development
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
- 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
Foreword xiii Introduction 1
Part I: Python Programming
Chapter 1. Data Types and Data Structures 9 Executing 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 45 Conditional Branching 46 Looping 49 Functions 55 Exception Handling 66 Summary 72 Exercises 72
Chapter 3. Classes and Modules 75 Creating 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 111 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
Chapter 5. Dialogs 139 Dumb Dialogs 141 Standard Dialogs 147 Smart Dialogs 154 Summary 162 Exercise 163
Chapter 6. Main Windows 165 Creating a Main Window 166 Handling User Actions 190 Summary 201 Exercise 202
Chapter 7. Using Qt Designer 205 Designing User Interfaces 208 Implementing Dialogs 216 Testing Dialogs 221 Summary 223 Exercise 224
Chapter 8. Data Handling and Custom File Formats 227 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
Part III: Intermediate GUI Programming
Chapter 9. Layouts and Multiple Documents 269 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
Chapter 10. Events, the Clipboard, and Drag and Drop 303 The Event-Handling Mechanism 303 Reimplementing Event Handlers 305 Using the Clipboard 310 Drag and Drop 312 Summary 317 Exercise 318
Chapter 11. Custom Widgets 321 Using 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 349 Custom and Interactive Graphics Items 351 Animation and Complex Shapes 368 Summary 378 Exercise 379
Chapter 13. Rich Text and Printing 381 Rich Text Editing 382 Printing Documents 398 Summary 411 Exercise 412
Chapter 14. Model/View Programming 413 Using the Convenience Item Widgets 415 Creating Custom Models 423 Creating Custom Delegates 436 Summary 442 Exercise 443
Chapter 15. Databases 445 Connecting 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 475 Custom Views 476 Generic Delegates 483 Representing Tabular Data in Trees 492 Summary 505 Exercise 505
Chapter 17. Online Help and Internationalization 509 Online Help 510 Internationalization 512 Summary 519 Exercise 520
Chapter 18. Networking 521 Creating a TCP Client 523 Creating a TCP Server 529 Summary 534 Exercise 534
Chapter 19. Multithreading 537 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 Appendix A. Installing 561Appendix B. Selected PyQt Widgets 575Appendix C. Selected PyQt Class Hierarchies 581 Index 585
Part I: Python Programming
Chapter 1. Data Types and Data Structures 9 Executing 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 45 Conditional Branching 46 Looping 49 Functions 55 Exception Handling 66 Summary 72 Exercises 72
Chapter 3. Classes and Modules 75 Creating 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 111 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
Chapter 5. Dialogs 139 Dumb Dialogs 141 Standard Dialogs 147 Smart Dialogs 154 Summary 162 Exercise 163
Chapter 6. Main Windows 165 Creating a Main Window 166 Handling User Actions 190 Summary 201 Exercise 202
Chapter 7. Using Qt Designer 205 Designing User Interfaces 208 Implementing Dialogs 216 Testing Dialogs 221 Summary 223 Exercise 224
Chapter 8. Data Handling and Custom File Formats 227 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
Part III: Intermediate GUI Programming
Chapter 9. Layouts and Multiple Documents 269 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
Chapter 10. Events, the Clipboard, and Drag and Drop 303 The Event-Handling Mechanism 303 Reimplementing Event Handlers 305 Using the Clipboard 310 Drag and Drop 312 Summary 317 Exercise 318
Chapter 11. Custom Widgets 321 Using 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 349 Custom and Interactive Graphics Items 351 Animation and Complex Shapes 368 Summary 378 Exercise 379
Chapter 13. Rich Text and Printing 381 Rich Text Editing 382 Printing Documents 398 Summary 411 Exercise 412
Chapter 14. Model/View Programming 413 Using the Convenience Item Widgets 415 Creating Custom Models 423 Creating Custom Delegates 436 Summary 442 Exercise 443
Chapter 15. Databases 445 Connecting 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 475 Custom Views 476 Generic Delegates 483 Representing Tabular Data in Trees 492 Summary 505 Exercise 505
Chapter 17. Online Help and Internationalization 509 Online Help 510 Internationalization 512 Summary 519 Exercise 520
Chapter 18. Networking 521 Creating a TCP Client 523 Creating a TCP Server 529 Summary 534 Exercise 534
Chapter 19. Multithreading 537 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 Appendix A. Installing 561Appendix B. Selected PyQt Widgets 575Appendix C. Selected PyQt Class Hierarchies 581 Index 585
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