Expert's Voice in Open Source

By: Johan Thelin

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Paperback | 23 August 2007

At a Glance

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552 Pages

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22.86 x 17.78 x 3.18

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As the standard for KDE desktop environment, Trolltech's
Qt is a necessary basis for all programmers who want to
develop cross-platform applications on Windows, Mac OS,
Linux, and FreeBSD. A multitude of popular applications
have been written in Qt including Adobe Photoshop
Elements, Google Earth, Perforce Visual Client, and
Skype. Foundations of Qt Development is based on Qt 4.2,
and is aimed at C++ programmers who want to become
proficient using this excellent toolkit to create
graphical applications that can be ported to all major
platforms. The book is focused on teaching you to write
your own code in addition to using existing code. And
common areas of confusion are identified, addressed, and
answered. You'll learn everything you need to know to get
up and running fast.

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Non-Fiction Computing & I.T.Operating Systems Linux Computer Programming & Software Development Software Engineering Graphics Programming Graphical & Digital Media Applications

Foreword	p. xv
About the Author	p. xvii
About the Technical Reviewer	p. xix
Acknowledgments	p. xxi
Getting to Know Qt
The Qt Way of C++	p. 3
Installing a Qt Development Environment	p. 3
Installing on Unix Platforms	p. 3
Installing on Windows	p. 5
Making C++ "Qt-er"	p. 6
Inheriting Qt	p. 7
Using a Qt String	p. 10
Building a Qt Program	p. 11
Signals, Slots, and Meta-Objects	p. 13
Making the Connection	p. 16
Revisiting the Build Process	p. 18
Connection to Something New	p. 19
Collections and Iterators	p. 21
Iterating the QList	p. 21
Filling the List	p. 24
More Lists	p. 24
Special Lists	p. 25
Summary	p. 31
Rapid Application Development Using Qt	p. 33
The Sketch	p. 33
Event-Driven Applications	p. 34
Using Designer	p. 35
From Designer to Code	p. 47
The Final Touches	p. 53
Summary	p. 54
Widgets and Layouts	p. 55
Creating Dialogs in Qt	p. 55
Size Policies	p. 57
Layouts	p. 60
Common Widgets	p. 62
QPushButton	p. 62
QLabel	p. 64
QLineEdit	p. 65
QCheckBox	p. 66
QRadioButton	p. 67
QGroupBox	p. 68
QListWidget	p. 69
QComboBox	p. 71
QSpinBox	p. 72
QSlider	p. 73
QProgressBar	p. 74
Common Dialogs	p. 75
Files	p. 75
Messages	p. 79
Even More Dialogs	p. 85
Validating User Input	p. 86
Validators	p. 87
Summary	p. 93
The Main Window	p. 95
Windows and Documents	p. 95
Single Document Interface	p. 96
Multiple Document Interface	p. 103
Comparing Single and Multiple Document Interfaces	p. 111
Application Resources	p. 112
Resource File	p. 112
Project File	p. 114
Application Icon	p. 114
Dockable Widgets	p. 115
Summary	p. 119
The Qt Building Blocks
The Model-View Framework	p. 123
Showing Data by Using Views	p. 124
Providing Headers	p. 127
Limiting Editing	p. 127
Limiting Selection Behavior	p. 127
A Single Column List	p. 128
Creating Custom Views	p. 129
A Delegate for Drawing	p. 129
Custom Editing	p. 132
Creating Your Own Views	p. 135
Creating Custom Models	p. 140
A Read-Only Table Model	p. 141
A Tree of Your Own	p. 144
Editing the Model	p. 150
Sorting and Filtering Models	p. 153
Summary	p. 156
Creating Widgets	p. 157
Composing Widgets	p. 157
Changing and Enhancing Widgets	p. 162
Catching the Events	p. 164
Creating Custom Widgets from Scratch	p. 171
Your Widgets and Designer	p. 176
Promotion	p. 176
Providing a Plugin	p. 177
Summary	p. 182
Drawing and Printing	p. 183
Drawing Widgets	p. 183
The Drawing Operations	p. 184
Transforming the Reality	p. 200
Painting Widgets	p. 204
The Graphics View	p. 215
Interacting Using a Custom Item	p. 220
Printing	p. 228
OpenGL	p. 232
Summary	p. 232
Files, Streams, and XML	p. 235
Working with Paths	p. 235
Working with Files	p. 238
Working with Streams	p. 239
XML	p. 243
DOM	p. 244
Reading XML Files with SAX	p. 248
Files and the Main Window	p. 250
Summary	p. 255
Providing Help	p. 257
Creating Tooltips	p. 257
Creating HTML-Formatted Tooltips	p. 259
Inserting Images into Tooltips	p. 260
Applying Multiple Tooltips to a Widget	p. 260
Providing What's This Help Tips	p. 263
Embedding Links into What's This Help Tips	p. 264
Taking Advantage of the Status Bar	p. 267
Creating Wizards	p. 269
Assisting the User	p. 275
Creating the Help Documentation	p. 275
Putting It Together	p. 277
Summary	p. 278
Internationalization and Localization	p. 279
Translating an Application	p. 279
Extracting the Strings	p. 281
Linguist: A Tool for Translating	p. 281
Set Up a Translation Object	p. 284
Qt Strings	p. 285
Dealing with Other Translation Cases	p. 287
Find the Missing Strings	p. 291
Translating on the Fly	p. 292
Other Considerations	p. 295
Dealing with Text	p. 295
Images	p. 296
Numbers	p. 296
Dates and Times	p. 298
Help	p. 301
Summary	p. 301
Plugins	p. 303
Plugin Basics	p. 303
Extending Qt with Plugins	p. 304
Creating an ASCII Art Plugin	p. 304
Extending Your Application Using Plugins	p. 317
Filtering Images	p. 317
Merging the Plugin and the Application	p. 323
A Factory Interface	p. 326
Non-Qt Plugins	p. 329
Summary	p. 332
Doing Things in Parallel	p. 333
Basic Threading	p. 333
Building a Simple Threading Application	p. 334
Synchronizing Safely	p. 336
Protecting Your Data	p. 338
Protected Counting	p. 339
Locking for Reading and Writing	p. 341
Sharing Resources Among Threads	p. 344
Getting Stuck	p. 345
Producers and Consumers	p. 347
Signaling Across the Thread Barrier	p. 352
Passing Strings Between Threads	p. 353
Sending Your Own Types Between Threads	p. 356
Threads, QObjects, and Rules	p. 359
Pitfalls when Threading	p. 359
The User Interface Thread	p. 360
Working with Processes	p. 363
Running uic	p. 363
The Shell and Directions	p. 368
Summary	p. 368
Databases	p. 371
A Quick Introduction to SQL	p. 371
What Is a Database?	p. 371
Inserting, Viewing, Modifying, and Deleting Data	p. 372
More Tables Mean More Power	p. 375
Counting and Calculating	p. 377
Qt and Databases	p. 378
Making the Connection	p. 378
Querying Data	p. 380
Establishing Several Connections	p. 382
Putting It All Together	p. 382
The Structure of the Application	p. 384
The User Interface	p. 384
The Database Class	p. 392
Putting Everything Together	p. 397
Model Databases	p. 398
The Query Model	p. 399
The Table Model	p. 399
The Relational Table Model	p. 400
Summary	p. 402
Networking	p. 403
Using the QtNetwork Module	p. 403
Working with Client Protocols	p. 403
Creating an FTP Client	p. 404
Creating an HTTP Client	p. 417
Sockets	p. 424
Reliability's Role with UDP and TCP	p. 424
Servers, Clients, and Peers	p. 425
Sending Images Using TCP	p. 425
Broadcasting Pictures Using UDP	p. 436
Summary	p. 443
Building Qt Projects	p. 445
QMake	p. 445
The QMake Project File	p. 445
Working with Different Platforms	p. 450
Building Libraries with QMake	p. 453
Building Complex Projects with QMake	p. 454
The CMake Build System	p. 457
Managing a Simple Application with QMake	p. 457
Working with Different Platforms	p. 461
Building Libraries with CMake	p. 465
Managing Complex Projects with CMake	p. 466
Summary	p. 469
Unit Testing	p. 471
Unit Testing and Qt	p. 472
The Structure of a Test	p. 472
Testing Dates	p. 474
Implementing the Tests	p. 475
Data-Driven Testing	p. 479
Testing Widgets	p. 483
Testing a Spin Box	p. 483
Driving Widgets with Data	p. 487
Testing Signals	p. 490
Testing for Real	p. 491
The Interface	p. 492
The Tests	p. 492
Handling Deviations	p. 497
Summary	p. 497
Appendixes
Third-Party Tools	p. 501
Qt Widgets for Technical Applications: Qwt	p. 502
wwWidgets	p. 503
QDevelop	p. 504
Edyuk	p. 505
Containers, Types, and Macros	p. 507
Containers	p. 507
Sequences	p. 507
Specialized Containers	p. 508
Associative Containers	p. 509
Types	p. 509
Types by Size	p. 509
The Variant Type	p. 510
Macros and Functions	p. 511
Treating Values	p. 511
Random Values	p. 511
Iterating	p. 512
Index	p. 513
Table of Contents provided by Ingram. All Rights Reserved.

Expert's Voice in Open Source

At a Glance

Paperback

Shipping

How to return your order

Defective items

You Can Find This Book In

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