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Symbols[ Top ]
We'd like to hear your suggestions for improving our indexes. Send email to index@oreilly.com.
\ (backslash), portability and, 376
/ (forward slash), portability and, 376

A[ Top ]
abort/aborted methods (QPrinter), 208
aboutToShow method (QMenuData), 121
accelerators in menus, 121
accept method (QDialog), 165
access methods, 34
access specifiers, 458
access to networks
   higher-level, 389-393
   low-level, 384-389
actions, 329-331
activeWindow method (QWorkspace), 136
add method
   QToolTip, 138
   QWhatsThis, 139
addArgument method (QProcess), 288
addColSpacing method (QLayout), 182
addColumn method (QDataTable), 349
addDatabase method (QSqlDatabase), 339
addDays method (QDate/QDateTime), 284
adding
   custom slots, 439
   widgets to already layouted forms, 461
addLayout method (QHBoxLayout/QVBoxLayout), 180
addMSecs method (QTime), 284
addMultiCellWidget method (layout managers), 182
addRowSpacing method (QLayout), 182
addSecs method (QDateTime/QTime), 284
addSeparator method (QToolBar), 133
addSpacing method (QGroupBox), 178
addTab method (QTabDialog), 169
addTo method (QAction), 331
addToolbar method (QMainWindow/QToolBar), 132
addWidget method
   QFileDialog, 155
   QHBoxLayout, 177
   QStatusBar, 135
   QWidgetStack, 126
alignment, for labels, 129
ampersand (&) for menu entries, 70
animations, 203-205
   canvas and, 231
API emulation, 23
API layering, 22
appendChild method (QDomNode), 263
applications
   exchanging data between, 277-283
   PerlQt, 408-415
   (see also network programming)
arg method (QString), 241
arrangers, 122-126
at method (QFile), 269
Autoconf program, 379
autodeletion, containers and, 198
Automake program, 379
AVI format, 203

B[ Top ]
background color, 213
backslash (\), portability and, 376
base color, 213
begin method (QPainter), 60
bitBlt method (QPaintDevice), 223
bitmap graphics, loading and saving, 234-237
BLOB method (QSqlDriver), 360
blocking method (QSocket), 378
blockSignals method (QObject), 327
bool datatype, 35
bounded-range input, widgets for, 114-118
   date/time values, 118
box layout vs. grid layout, 182
BrightText color, 214
browse box (custom widget), 304-317
brushes, selecting, 215
bubble help (see tooltips)
buddies, assigning, 129
bugs in Qt, 22
   (see also troubleshooting Qt; debugging)
button group tool, 427
button groups, 427
   assigning header text, 428
   laying out, 448
buttons, 107-110
   color of, 213
   connecting several to one slot, 328
   laying out in a row (example), 176
      adding rows to, 179
   in toolbars, 132
ButtonText color, 213
bytesAvailable method (QSocketDevice), 378

C[ Top ]
C++
   container classes and, 192
   name mangling, 286
   signal-and-slot mechanism implemented in, 49
   as used by Qt, 34
caching data, 198
callbacks (callback functions), 46
cancelButtonPressed method (QTabDialog), 170
canDecode method (QStoredDrag), 282
canvas
   animations and, 231
   collision tests and, 231
   drawing graphical elements on, 227-232
   items, adding to/moving over, 230-232
   mouse events and, 231
carriage return/linefeed, portability and, 377
cascade method (QWorkspace), 136
center method (QScrollView), 141
character strings, converting, 98
checkbox tool, 425
checkboxes, 108-110, 425
checkOverflow method (QLCDNumber), 131
child processes
   debugging and, 370
   spawning, 288
classes, 34, 38
   for accessing files and directories, 267
   arrangers, 122-126
   container, 192-202
      choosing, 195
      iterators, 199, 200
      reducing memory consumption with, 198
      reference-based, 196-200
      as understood in other programming languages, 192
      value-based, 200-202
   for layment managers, 175
   multithreading, 363-367
   OpenGL, 395
   Qt Netscape plug-in, 400
   Qt Xt extension, 407
   widget (see widget classes)
clear method
   container classes and, 198
   QStatusBar, 134
   QToolTipGroup, 138
clicked method (QListBoxItem), 112
ClickFocus policy, 318
clipboard, 277
clipboard method (QApplication), 277
clipping, 207, 221
code libraries, loading dynamically, 285-288
collision tests, canvas and, 231
color allocation, 210
color cells, 210
color context, 210
color depth, 210
color groups, 212-215
color models, 211
colors
   background, 213
   base, 213
   BrightText, 214
   button, 213
   ButtonText, 213
   dark, 213
   dialog boxes for selecting, 156-158
   foreground, 213
   highlight, 213
   HighlightedText, 214
   light, 213
   managing, 210-215
   mid, 213
   midlight, 213
   palettes, 212-215
   selecting, 215
   shadow, 213
   text, 213
columns, laying out widgets in, 176-178
combo boxes, 112-114
command-line options, 106
compiling Qt, 26
   smaller version of, 26
computer mouse, GUI design and, 188
configuration data, reading/writing, 273-276
configuring Qt for multithreading, 363
connect method (QObject), 51, 325
connecting to databases, 339
connection tool, 456
connectItem method (QMenuData), 70
connectNotify method (QObject), 49
connectResize method (QMovie), 204
connectStatus method (QMovie), 204, 205
connectUpdate method (QMovie), 204
constructors for widgets, 104
   debugging and, 370
container classes, 192-202
   choosing, 195
   iterators, 199, 200
   in other programming languages, 192
   reducing memory consumption with, 198
   reference-based, 196-200
   value-based, 200-202
contentsMoving method (QScrollView), 141
context menus (see pop-up menus)
context method (QGLWidget), 395
context-sensitive features, GUI design and, 189
continueSearch method (QObject), 327
controls (see widgets)
convertDepth method (QImage), 235
convertSeparators method (QDir), 376
coordinate selector (custom widget), 295-304
coordinate system transformations (see two-dimensional transformations)
copy method (QUrlOperator), 393
cost, for entries, 198
count method, container classes and, 198
create method
   QNPlugin, 400
   RotatePlugin, 405
createAttribute method (QDomDocument), 263
createElement method (QDomDocument), 263
createTextNode method (QDomDocument), 263
creating forms, 421
critical method
   QErrorMessage, 164
   QMessageBox, 161
currentDate method (QDate), 284
currentDateTime method (QDateTime), 284
currentItem method
   QComboBox, 113
   QListBox, 111
currentThread method (QThread), 378
currentTime method (QTime), 284
cursorFlashTime method (QApplication), 376
cursors
   data retrieval with, 344
   portability and, 376
   setting, 237
custom dialog boxes (see dialog boxes, custom)
custom widgets (see widgets, custom; widgets, custom)
customColor method
   QApplication, 211
   QColorDialog, 157
customCount method (QColorDialog), 157

D[ Top ]
dark color, 213
DashLine method (QPen), 215
data
   caching, 198
   configuration, reading/writing, 273-276
   exchanging between applications, 277-283
   (see also data in databases)
data in databases
   displaying, 347-355
      in forms, 349-354
   manipulating, 356-359
   metadata, 360
   retrieving, 341-344
      with cursors, 344
database drivers, 338
database method (QSqlDatabase), 339
databases
   accessing, 336-361
   connecting to, 339
   data display, 347-355
      in forms, 349-354
   manipulating data, 356-359
   metadata, 360
   records, sorting, 346
   retrieving data from, 341-344
      with cursors, 344
   supported by Qt, 336
   transactions, 360
date operations, 446
date/time values
   widgets for entering, 118
   working with, 284
de code for German, 239
deadlocks, 365
debugging, 369-371
   macros defined for, 369
   multithreading and, 362
   plug-ins, 401
   portability and, 375
decode method (QStoredDrag), 282
defaultButtonPressed method (QTabDialog), 170
defaults for push buttons, 108
del method (QSqlCursor), 359
desktop method (QApplication), 313
dialog boxes, 153-173
   color selection, 156-158
   custom, building blocks for, 164-173
   error message, 164
   extensions, 168
   file selection, 153-156
   font selection, 158
   GUI design and, 190
   input, 161
   message boxes (see message boxes)
   modal vs. nonmodal, 164
      GUI design and, 190
   predefined, 153-163
   for print settings, 205
   progress, 162
   size of, 165
   tab, 169-172
   warning, 160
   wizards and, 172
dials, 116
directories
   classes for accessing, 267
   dialog boxes for selecting, 153-156
   path separators, portability and, 376
   QFileInfo class and, 271-273
   traversing, 270-272
   working with, 267-273
disconnect method (QObject), 327
dock method (QDockWindow), 137
docking windows, 132, 136
Document Object Model (DOM), processing XML with, 260-264
Document Type Definition (DTD), 257
DOM (Document Object Model), processing XML with, 260-264
double-buffering, 222-227
double-click interval, portability and, 376
doubleClicked method
   QListBoxItem, 112
   QListViewItem, 145
drag method (QDragObject), 280
drag-and-drop, 278-283, 437
dragCopy method (QDragObject), 280
dragEnterEvent method (QWidget), 281
dragMove method (QDragObject), 280
dragMoveEvent method (QWidget), 281
drawContents method (QFrame), 123
drawContentsOffset method (QScrollView), 140
drawing, 215-222
   operations for QPainter (list of methods), 216
drawLine method (QPainter), 216
drawPixmap method (QPainter), 224
drawRotatedText method (QPainter), 218
drawText method (QPainter), 216
drivers, database, 338
dropEvent method (QWidget), 281
dropped method (QListView), 146
DTD (Document Type Definition), 257
dumpObjectInfo method (QObject), 370
dumpObjectTree method (QObject), 370
dynamic menus, implementing, 121

E[ Top ]
edit fields, GUI design and, 190
editions of Qt, 25
elapsed method (QTime), 284
embedded systems, portability and, 372
en code for English, 238
enabled property, 424
end method (QPainter), 60
enterAllocContext method (QColor), 210
entryList method (QSettings), 276
error message dialog boxes, 164
errors (see debugging)
escape sequences, 254
event filters, 321-323
event handling, 55-62
   advanced, 321-324
eventFilter method (QObject), 321
events, 46
   handling (see event handling)
   multithreading and, 367
   SAX and, 258
   synthetic, 323
exec method
   multithreading and, 367
   QApplication, 39
   QDialog, 154
   QWidget, 312
exists method (QFile), 269
explicit geometry management, 174
   mixing with implicit, 185
expressions, regular (see regular expressions)
extensions, 168
   for interfacing with other libraries, 394-397
   Qt Netscape plug-ins, 398-406
   Qt Xt, 406

F[ Top ]
fake events (see synthetic events)
feedback, GUI design and, 189
fields, text-entry, 127
figures, drawing, 215-217
file globbing, 256
File menu, defining, 63-89
filenames, portability issues, 375
files
   classes for accessing, 267
   dialog boxes for selecting, 153-156
   downloading from FTP server, 390
   encapsulating information about, 272
   generated, not changing, 438
   input/output, 89-99
   makefile, importing, 416
   previews and, 154
   QFileInfo class and, 271-273
   text, reading, 267-269
   working with, 267-273
   XML, reading/writing, 256-264
finished method (QMovie), 205
firstChild method (QDomNode), 262
FLI format, 203
flicker effect, 222
flushX method (QApplication), 376
focus policies, 318-320
   guidelines for choosing, 319
focusInEvent/focusOutEvent methods (QWidget), 294
focusNextPrevChild method (QWidget), 319
fonts, 104
   dialog boxes for selecting, 158
foreground color, 213
format method (QGLWidget), 395
forms
   adding widgets, 425
   creating, 421
   using custom widgets on, 361
   defined, 422
   displaying data in, 349-354
      with navigation buttons, 352-355
   form editor, 425
   loading existing, 437
   manipulating data with, 358
   types, 422
forward slash (/), portability and, 376
fr code for French, 239
frames, 123, 203
frameworks, 20
FreeBSD, Qt contained in distribution of, 24
fromString method (QDate/QTime/QDateTime), 285

G[ Top ]
geometric shapes, 216
geometry management, 425, 446, 461-464
   advantages, 447
   explicit, 174
   implicit, 183-185
      classes inherited from QWidget for, 183
   mixing explicit and implicit, 185
   spacers, 453, 462
   sublayouts, 462
   used in two steps, 461
geometry managers
   selecting the correct one, 451
   types, 448
   vertical layout, 449
getColor method (QColorDialog), 156
getExistingDirectory method (QFileDialog), 154
getFont method (QFontDialog), 158
getMIMEDescription method
   QNPlugin, 400
   RotatePlugin, 405
getOpenFileName method (QFileDialog), 154
getPluginDescriptionString method
   QNPlugin, 400
   RotatePlugin, 405
getPluginNameString method
   QNPlugin, 400
   RotatePlugin, 405
getRgba method (QColorDialog), 156
getSaveFileName method (QFileDialog), 154
GIF format, 203
graphics, 203-237
   animations (see animations)
   bitmap, loading and saving, 234-237
   labels for displaying, 130
   transformations, 217
grid layout
   vs. box layout, 182
   managers, 181-183
group boxes, 123, 427
   assigning header text, 428
GUI builders, advantages, 419
GUI design, 186-191
   guidelines for, 186-191
   help for users and, 334
   multithreading and, 367
GUI emulation, 23
   widget styles and, 105
GUI libraries, cross-platform, 22
GUI toolkits, 19
   cross-platform programming and, 22
   GUI-emulating, 23
   Unix and, 19
   Windows and, 20

H[ Top ]
handle method
   QCursor, 376
   QFont, 377
   QPaintDevice, 377
   QPainter, 377
header files, 38
   generating, 433
"Hello world" sample program, 37-41
   push button, adding to, 44-46
help
   obtaining for Qt, 35
   providing for users, 332-335
      online help, 333
      tooltips, 332
      What's This windows, 333
helpedClicked method (QWidget), 173
hide method
   QButtonGroup, 329
   QDialog, 164
   QWorkspace, 135
highlight color, 213
HighlightedText color, 214
homeDirPath method (QDir), 271
Hoover help (see tooltips)
hourglass, setting cursor as, 237
HSV color model, 211
hsv method (QColor), 212
HTML (Hypertext Markup Language), Qt reference documentation in, 41
hue saturation value color model, 211
Hypertext Markup Language (HTML), Qt reference documentation in, 41

I[ Top ]
icon views, 147
IDE (Integrated Development Environment), 379
   Visual C++, 416-419
      creating projects, 417
      makefiles, importing, 416
      Visual Studio integration, 418
IDs, assigning to menu entries, 69
image formats, 203
images, loading and saving custom, 234-237
implicit geometry management, 183-185
   classes inherited from QWidget for, 183
   mixing with explicit, 185
information method (QMessageBox), 161
information, displaying (see labels)
inheritance, 34
initializeGL method (QGLWidget), 396
input
   of data in files, 89-99
   dialog boxes, 161
   of users, validating, 246-251
input/output, 89
insert method
   container classes and, 201
   QButtonGroup, 124, 329
   QSqlCursor, 359
insertAfter method (QDomNode), 263
insertAt method (QTextEdit), 128
insertBefore method (QDomNode), 263
insertItem method
   QComboBox, 113
   QGridView, 305
   QListBox, 111
   QListViewItem and, 143
   QMenuData, 121
   QPopupMenu, 69
insertLine method (QTextEdit), 128
insertSearchPath method (QSettings), 275
insertSeparator method (QMenuData), 377
insertStringList method
   QListBox, 111
   QStringList, 113
insertTearOffHandle method (QPopupMenu), 122
installEventFilter method (QObject), 321
installGlobalEventFilter (QApplication), 323
installing
   Qt, 26
   SQL module, 338
Integrated Development Environment (see IDE)
interfacing Qt
   with OpenGL, 394-397
   with Perl, 408-415
internationalization, 238-246
   GUI design and, 187
   labels and, 174
isActive method (QSqlQuery), 343
isAvailable method (QSound), 291
isChecked method (QCheckBox/QRadioButton), 108
isDigit method (QChar), 254
isFinished method (QSound), 291
isFocusEnabled method (QWidget), 319
isLocked method (QMutex), 364
isNull method (QString), 154
itemBelow method (QListViewItem), 145
items, adding to/moving over canvas, 230-232
iterator templates, 199
iterators, 199

J[ Top ]
Java Swing toolkit, actions and, 330

K[ Top ]
KDE (K Desktop Environment) mailing list, 36
key method (QIconViewItem), 147
keyboard accelerators, GUI design and, 186, 188
keyboard focus, 318-320
   tab order, 319
keyPressEvent method
   QWidget, 294, 313
   ScribbleWindow, 81

L[ Top ]
labels, 38, 129-152
   changing, 427
   internationalization and, 174
languages
   codes for, 238
   Perl, interfacing with, 408-415
launch method (QProcess), 288
layout management (see geometry management)
layout managers, 174-185
   classes for, 175
   grid, 181-183
      grid vs. box, 182
   nested, 179
layoutMargin property, 463
layouts
   breaking, 450
   properties, 463
   undoing, 450
layoutSpacing property, 463
leaveAllocContext method (QColor), 210
leaveWhatsThisMode method (QWhatsThis), 333
libraries
   interfacing with, 394-397
   loading dynamically, 285-288
   OpenGL (see OpenGL programming)
license for Qt, obtaining, 24
light color, 213
Linux
   debugging and, 371
   GUI toolkits and, 22
   Qt contained in distribution of, 24
   (see also Unix systems)
list boxes, 111, 112
   GUI design and, 190
list views, 141-146
load method
   QPixmap, 98, 234
   QTranslator, 245
locale, 238
localization, 238-246
   (see also internationalization)
lock method
   QApplication, 367
   QMutex, 364
   QThread, 364
longDayName method (QDate/QTime/QDateTime), 285
longMonthName method (QDate/QTime/QDateTime), 285
loopsRemaining method (QSound), 291
lrelease utility, 245, 246
lupdate utility, 242, 246

M[ Top ]
Mac method (QSettings), 275
MacOS X systems, specifying database drivers, 338
mailing lists, KDE, 36
main window, 132
makeCurrent method (QGLWidget), 396
makefiles, 465, 466
   importing, 416
manual placement, of widgets, 425
ManyColor method (QApplication), 211
mapFromGlobal method (QWidget), 313
mapToGlobal method (QWidget), 313
markup, 264
maybeTip method (QToolTip), 138
MDI (Multiple Document Interface), 135
memory, classes for reducing consumption of, 198
menu bars
   adding, 63-89
   separators in, portability and, 377
menu buttons, 108
menu entries
   adding, 69
   ampersand (&) and, 70
   GUI design and, 189
   IDs, assigning to, 69
menuBar method (QMainWindow), 132
menu-related widgets, 121, 122
menus
   accelerators, 121
   creating, 63-73
      File menu, 63
   dynamic, implementing, 121
   GUI design and, 189
   items on, changing/manipulating, 69
   pop-up (see pop-up menus)
   tear-off, 122
message
   boxes, 72, 159-161
   handler, 369
message method
   QErrorMessage, 164
   QStatusBar, 134
messages
   permanent, 135
   status bars and, 134
meta characters, 252
metadata, 360
Meta-Object Compiler (see moc compiler)
MFC (Microsoft Foundation Classes), 21
Microsoft Office suite, interface components resembling, 132-139
mid color, 213
midlight color, 213
MIME (Multimedia Internet Mail Extension), 399
MNG format, 203
moc command, 464
moc compiler, running, 53
modal vs. nonmodal dialog boxes, 164
   GUI design and, 190
monitors, grid layouts and, 183
Motif, 19
   drag-and-drop and, 279
mouse events, canvas and, 231
mouse, GUI design and, 188
mouseButtonClicked method (QListBoxItem), 112
mouseButtonPressed method (QListBoxItem), 112
mouseMoveEvent method
   QGridView, 305
   QWidget, 302, 314
   ScribbleWindow, 58
mousePressEvent method (QWidget), 58, 294, 302
mouseReleaseEvent method
   QGridView, 305
   QWidget, 294, 313
moveChild method (QScrollView), 140
moveDockWindow method (QMainWindow), 137
Multimedia Internet Mail Extension (MIME), 399
Multiple Document Interface (MDI), 135
multithreading, 362-368
   alternatives to, 367
   classes for, 363-367
   configuring Qt for, 363
   deadlocks, 365
   mutexes, 363
   pitfalls, 367
   synchronization, 365
mutexes, 363
MySQL database, 337
   activating driver for, 339

N[ Top ]
name mangling, 286
name method
   QDir, 271
   QObject, 370
name property, 422
named colors, 211
namespaces, not used by Qt, 35
navigation buttons on forms, 352-355
nested layout managers, 179
Netscape plug-ins, writing, 398-406
network programming, 384-393
   access, higher-level, 389-393
   access, low-level, 384-389
newConnection method
   HTTPMirrorServer, 387
   QServerSocket, 387
newStreamCreated method (QNPWidget), 401
newWindow method (QNPInstance), 400, 401
next method (QDataBrowser), 355
nextLine method (QScrollBar), 120
nextPage method (QScrollBar), 120
nextRecordAvailable method (QDataBrowser), 355
nextSibling method (QDomNode), 262
NoFocus policy, 318
NoIcon constant (QMessageBox), 161
nonvalidating parsers, 257
normal messages, 135
NormalColor method (QApplication), 211
NPN_ functions, 400
null constant (QString), 160
numRowAffected method (QSqlQuery), 358

O[ Top ]
objects, 34
   creating in "Hello world" sample program, 38
objects of class, 38
Office suite (Microsoft), interface components resembling, 132-139
online help, 333
OObject class, portability and, 377
open method
   QFile, 268, 377
   QSqlDatabase, 343
OpenGL programming, 394-397
operators, overloading, 34
option buttons (see checkboxes; radio buttons)
options
   command-line, 106
   widget, 312
output of data in files, 89-99
overrideCursor method (QApplication), 237

P[ Top ]
paint application
   creating, 55-62
   drawings in, saving to files, 89-99
   menus, adding to, 63-73
      pop-up, 81-89
   scrollbars, adding to, 74-81
   (see also OpenGL programming)
paint method (QCustomMenuItem), 122
paintCell method
   QGridView, 305
   QWidget, 314
paintEvent method
   QPainter, 222
   QWidget, 294, 302
   ScribbleWindow, 61
paintGL method (QGLWidget), 396
palettes, 104, 212-215
parent/child relationships, 428
   debugging and, 370
parentWidget method (QToolTip), 138
parsers, validating/nonvalidating, 257
paused method (QMovie), 205
pens, selecting, 215
Perl, interfacing Qt with, 408-415
PerlQt, 408-415
permanent messages, 135
play method (QSound), 291
Plug-in Software Development Kit (Plug-in SDK), 399
plug-ins
   debugging, 401
   Netscape, 398-406
PNG format, 203
polymorphism, 34
pop-up menus, 81-89
portability, 21, 372-383
   debugging and, 375
   when Qt is not portable, 375-379
   writing programs for, 374
   (see also qmake)
pos method (QCursor), 82
POSIX (IEEE Portable Operating System Interface for Computing Environments), 374
postEvent method (QApplication), 323, 366
PostScript format, 205
pressed method (QListBoxItem), 112
preview mode, 430
previews, 154
prevLine method (QScrollBar), 120
prevPage method (QScrollBar), 120
prevRecordAvailable method (QDataBrowser), 355
primaryIndex method (QSqlDatabase), 360
primeDelete method (QSqlCursor), 359
primeInsert method (QSqlCursor), 359
primeUpdate method (QSqlCursor), 351, 359
printing, 205-209
processes
   child, spawning, 288
   (see also multithreading)
processEvent method
   multithreading and, 367
   QApplication, 208
processEvents method (QApplication), 368
processOneEvent method (QApplication), 368
programs, examples of (see sample programs)
progress
   bars, 139
   dialog boxes, 162
properties of widgets, 106, 422
property editor, 422, 426
push buttons, 107, 429, 438
   creating, 44-46
   defaults, 108
   menu buttons, 108

Q[ Top ]
QAction class, 330
qApp global variable, 70
QApplication class, 38, 70, 105
   event filters, 323
   event handling, 323
   portability and, 376
QApplication method (QApplication), 375
QAsciiCache container class, 193
   memory consumption, reducing with, 198
Q_ASSERT() macro, 369
QBitArray container class, 193
QBoxLayout class, 175
QBuffer class, 269
QButtonGroup class, 124
   connecting several buttons to one slot and, 329
   grouping radio buttons and, 109
QByteArray container class, 194
QCache container class, 194
   memory consumption, reducing with, 198
QCanvas class, 227-232
QCanvasItem class, 229
QCanvasView class, 228
QCheckBox class, 108-110
Q_CHECK_PTR() macro, 369
QClipboard class, 277
QColorDialog class, 156-158
QColorGroup class, 214
QComboBox class, 112-114
   validating user input and, 246
QCursor class, 82
   portability and, 376
QCustomMenuItem class, 121, 122
QDataBrowser class, 352, 356
QDataStream class, 267-269
QDataTable class, 347
QDataView class, 352
QDate class, 284
QDateTime class, 284
   portability and, 376
qDebug method, 369
   portability and, 375
QDial class, 116
QDialog class, 164-169
   extensions, 168
QDir class, 271
   portability and, 376
QDockArea class, 136
QDockWindow class, 136
QDomDocument class, 260
QDomNode class, 261
QErrorMessage class, 164
QEvent class, 321
qFatal method, 369
   portability and, 375
QFile class, 269
QFileDialog class, 153-156
QFileInfo class, 271-273
QFocusData class, 320
QFont class, portability and, 377
QFontDialog class, 158
QFrame class, 123
QGLColormap class, 395
QGLContext class, 395
QGLFormat class, 395
QGLWidget class, 395
QGrid classes, implicit geometry management and, 183
QGridLayout class, 175
QGridView class, 148-151
QGroupBox class, 123, 124
QHBox classes, implicit geometry management and, 183
QHBoxLayout class, 175
   nested layouts and, 179
QHButtonGroup class, 124
   implicit geometry management and, 184
QHGroupBox class, 124
   implicit geometry management and, 184
QIconView class, 147
   drag-and-drop and, 279
QImageDrag class, 282
QInputDialog class, 162
qInstallMsgHandler method, 369
QIntCache container class, 194
   memory consumption, reducing with, 198
QIntDict container class, 194
QIODevice class, 269
QLabel class, 38, 129, 130
   rich text and, 264
QLayout class, 175
QLCDNumber class, 129, 131
QLibrary class, 287
QLineEdit class, 127, 323
   validating user input and, 246
QListBox class, 111, 112
QListView class, 141-146
   database tables, displaying, 342
qm files, 245
QMainWindow class, 132
qmake, 379-383, 466
   CONFIG line, options for, 381
   with older versions of Qt, 380
   project files, writing, 381, 418
QMap container class, 194
QMatrix class, 219
QMemArray container class, 193
QMenuBar class, 63
   menus, programming, 121
QMenuData class, 63, 70
   insertItem() and, 69
   menus, programming, 121, 122
   overloaded versions of, 69
   portability and, 377
QMessageBox class, 71, 72, 159-161
   rich text and, 264
QMovie class, 203-205
QMutex class, 363
QNPInstance class, 400
QNPlugin class, 400
QNPStream class, 401
QNPWidget class, 401
QObject class, 49, 51, 321
QPaintDevice class, portability and, 377
QPainter class, 60
QPainter drawing engine, 215-222
   advanced features of, 217-222
   drawing operations, methods for (list), 216
QPalette class, 214
QPicture class, 89
QPixmap class, 89, 98
   double-buffering and, 223
   load, 234
   portability and, 378
   save, 234
QPopupMenu class, 63, 69, 81
   menus, programming, 121, 122
QPrinter class, 205-209
QProcess class, 288
QProgressBar class, 139
QProgressDialog class, 162
QPtrDict container class, 194, 195
QPtrList container class, 194
QPtrQueue container class, 195, 200
QPtrStack container class, 195, 200
QPtrVector container class, 195
QPushButton class, 107, 110
QRadioButton class, 108-110
QRegExp class, 252
   escape sequences, 254
   metacharacters, 252
QScrollBar class, 119
QScrollView class, 81, 119, 140
   adding scrollbars to paint application and, 74
QServerSocket class, 384-389
QSettings class, 267-269
QSignalMapper class, 329
QSizeGrip class, 126
QSlider class, 114
QSocket class, 384-389
QSocketDevice class, 384
   portability and, 378
QSocketNotifier class, 384
   multithreading and, 367, 368
QSound class, 290
   portability and, 378
QSpinBox class, 117, 118
   validating user input and, 246
QSplitter class, 124
QSqlCursor class, 344, 359
QSqlDatabase class, 339, 340
QSqlDriver class, 360
QSqlForm class, 351
QSqlIndex class, 347
QSqlQuery class, 343, 358
QStatusBar class, 134
QStoredDrag class, 282
QString class, 98
QStringList container class, 195
Qt, 19-36
   bugs in, 22
      (see also Qt, troubleshooting)
   C++ and, 34
   compiling/installing, 26
      smaller version, 26
   configuring for multithreading, 363
   editions of, 25
   graphics and, 203-237
   vs. Motif, 19
   obtaining, 24, 25
   older versions of, using qmake with, 380
   reasons for using, 21
   reference documentation for, 41-46
   sound support in, 290
   troubleshooting, 31
      widgets, 39
Qt Canvas module, 228
Qt Designer, 164
   adding custom slots, 439
   connecting signals and slots, 438
   connection tool, 456
   help system, 470
   preview mode, 430
   slots tool, 457
   source code, 460
   starting, 421
   startup screen, 421
   test mode, 430
Qt Enterprise Edition, 25
   accessing databases and, 336
Qt Free Edition, 25
Qt Network Extension, 389
Qt Non-Commercial Edition, 25
Qt Professional Edition, 25
Qt SQL module (see SQL module)
QTabBar class, 127
QTabDialog class, 127, 169-172
QTable class, 148-151
QTabWidget class, 127
QTextBrowser class, 151
   online help and, 333
QTextEdit class, 127
   drag-and-drop and, 279
QTextStream class, 267-269
QTextView class, 151
QThread class, 363
   portability and, 378
QTime class, 284
QTimer class, multithreading and, 367
qt/include directory, 33
QToolBar class, 132
QToolbarButton class, 132
QToolTip class, 138
QTranslator object, 245
querySize method (QSqlDriver), 360
queues, 200
quick help (see tooltips)
QUrlOperator class, 389
QValidator class, 246-251
QValueList container class, 195
QValueStack container class, 195
QVariant class, 344
QVBox classes, implicit geometry management and, 183
QVBoxLayout class, 175
QVButtonGroup class, 124
   implicit geometry management and, 184
QVGroupBox class, 124
   implicit geometry management and, 184
QWaitCondition class, 365
qWarning method, 369
   portability and, 375
QWhatsThis class, 139, 333
   rich text and, 264
QWidget class, 45, 98, 294
   implicit geometry management and, 183
   multithreading and, 367
   portability and, 378
QWidgetStack class, 126
QWMatrix class, viewport transformations, performing manually with, 220
QWorkspace class, 135
QXmlContentHandler class, 258
QXmlDefaultHandler class, 258
QXmlErrorHandler class, 258
QXtApplication class, 407
QXtWidget class, 407
QXtWidget method (QXtWidget), 407

R[ Top ]
radio buttons, 108-110, 429
raiseWidget method (QWidgetStack), 126
Raster Impage Processor (RIP) ghostscript, 205
rawName method (QFont), 377
readBlock method (QFile), 269
readBoolEntry (QSettings), 274
readDoubleEntry (QSettings), 274
readEntry (QSettings), 274
readLine method (QTextStream), 267
readLineStderr method (QProcess), 288
readLineStdout method (QProcess), 288
readListEntry (QSettings), 274
readNumEntry (QSettings), 274
readStderr method (QProcess), 288
readStdout method (QProcess), 288
red, green, blue color model, 211
reference documentation for Qt, 41-46
reference-based container classes, 196-200
refresh method
   QDataTable, 348
   QFileInfo, 273
regular expressions, 251-256
reject method (QDialog), 165
remove method
   QFile, 269
   QWhatsThis, 139
removeChild method (QScrollView), 140
removeColumn method (QDataTable), 349
removeEntry method (QSettings), 276
removeItem method
   QGridView, 305
   QMenuData, 121
removeLine method (QTextEdit), 128
removeSearchPath method (QSettings), 275
removeWidget method (QStatusBar), 135
repaint method, flicker effect and, 222
reparenting, 428
replaceChild method (QDomNode), 263
resizeContents method (QScrollView), 140
resizeEvent method (QWidget), 302
resizeGL method (QGLWidget), 396
resolve method (QLibrary), 286
resources for further reading
   C++, 34
   graphics programming, 217
   GUI/UI design, 186
   internationaliztion, 187
   localization, 240
   Perl, 408
   regular expressions, 251
   XML, 257
restoreOverrideCursor (QApplication), 237
return value, importance of checking, 37
returnPressed method
   QListBoxItem, 112
   QListViewItem, 145
RGB color model, 211
rich text, 264-266
   widgets for displaying, 151
rightButtonClicked method
   QListBoxItem, 112
   QListViewItem, 145
rightButtonPressed method (QListBoxItem), 112
RIP (Raster Image Processor) ghostscript, 205
rotate method (QPixmap), 218
rotating graphics, 217
rows, widgets, laying out in, 176-178
RTTI (runtime type identification), not used by Qt, 35
run method (QThread), 363
running method (QMovie), 205
runtime type identification (RTTI), not used by Qt, 35

S[ Top ]
sample programs
   courses database, 341-358
   download client, 391
   "Hello world", 37-41
   HTTP server, 385
   Netscape plug-in for rotating GIFs, 402
   paint application, 55-62
   PerlQt, 409-415
   pizza example, 420, 425, 429, 436, 438, 445, 450, 453
   Sierpinski Gasket, 397
save method (QPixmap), 89, 234
SAX (Simple API for XML), processing XML with, 258-260
Scalable Vector Graphics (SVG), 89
scaling graphics, 217
ScribbleWindow class, 58, 68
scrollbars, 119
   creating, 74-81
scrollBy method (QScrollView), 81, 141
scrolled views, 140
search method (QString), 255
searchRev method (QString), 255
select method (QSqlCursor), 346
selection widgets, 110-114
selectionChanged method (QListView), 145
sendEvent method (QApplication), 323, 366
sendPostedEvents method (QApplication), 324
separator method (QDir), 271, 376
setAccel method (QMenuData), 121
setActive method (QPalette), 214
setActiveWindow method (QWidget), 378
setAlignment method
   QGroupBox, 124
   QLabel, 129
setAllColumnsShowFocus method (QListViewItem), 144
setApplyButton method (QTabDialog), 170
setAppropriate method (QWidget), 173
setArguments method (QProcess), 288
setAttributeNode method (QDomNode), 263
setAutoAdd method (QLayout), 184
setAutoClose method (QProgressBar), 163
setAutoDefault method (QPushButton), 108
setAutoEdit method (QDataTable), 349
setAutoReset method (QProgressBar), 163
setBackgroundMode method (QWidget), 222
setBinMode method (QLCDNumber), 131
setBlocking method (QSocketDevice), 378
setBrush method (QCanvasEllipse), 229
setBuddy method (QLabel), 129
setButtonSymbols (QSpinBox), 118
setButtonText method (QMessageBox), 161
setCaching method (QFileInfo), 273
setCancelButton method (QTabDialog), 170
setCaption method (QWidget), 98
setCellWidget (QTable), 150
setCentralWidget method (QMainWindow), 133
setChecked method (QCheckBox/QRadioButton), 108
setClipping method (QPainter), 222
setClipRect method (QPainter), 222
setClipRegion method (QPainter), 222
setCloseMode method (QDockWindow), 137
setColorSpec method (QApplication), 376
setColStretch method (layout managers), 181
setColumn method (QDataTable), 349
setColumnWidthMode method (QListViewItem), 144
setConfirmCancel method (QDataTable), 349
setConfirmDelete method (QDataTable), 349
setConfirmEdit method (QDataTable), 349
setConfirmInsert method (QDataTable), 349
setConfirmUpdate method (QDataTable), 349
setContentsPos method (QScrollView), 141
setContentsPreview method (QFileDialog), 155
setContentsPreviewEnabled method (QFileDialog), 155
setContext method (QGLWidget), 395
setCurrentTab method (QTabBar), 127
setCursorFlashTime method (QApplication), 376
setcustomColor method (QColorDialog), 157
setData method
   QClipboard, 278
   QIODevice, 259
setDatabaseName method (QSqlDatabase), 340
setDecMode method (QLCDNumber), 131
setDefault method (QPushButton), 108
setDefaultButton method (QTabDialog), 170
setDefaultOptimization method (QPixmap), 378
setDisabled method (QPalette), 214
setDoubleClickInterval method (QApplication), 376
setDragEnabled method (QListView), 146
setDropEnabled method (QListView), 146
setEnabled method
   QAction, 330
   QWidget, 104
setExclusive method (QButtonGroup), 124
setExtension method (QDialog), 168
setFalseText method (QDataTable), 349
setFilter method
   QDir, 377
   QDir class, 271
setFilterName method (QDir), 271
setFixedExtentHeight method (QDockWindow), 137
setFixedExtentWidth method (QDockWindow), 137
setFocus method (QFocusData), 320
setFont method (QWidget), 104, 264
setFormat method (QGLWidget), 395
setFrameStyle method (QFrame), 123
setFullPage method (QPrinter), 207
setGeometry method (QWidget), 45
setHelpButton method (QTabDialog), 170
setHexMode method (QLCDNumber), 131
setHorizontalStretchable method
   QDockWindow, 137
   QToolBar, 133
setHostName method (QSqlDatabase), 340
setHScrollBarMode method (QScrollView), 141
setIconPixmap method (QMessageBox), 161
setImage method (QClipboard), 278
setInactive method (QPalette), 214
setInfoPreview method (QFileDialog), 155
setInsertionPolicy method (QComboBox), 112
setItem method (QTable), 150
setItemEnabled method (QMenuData), 121
setLazyAlloc method (QColor), 210
setLineWidth method (QFrame), 123
setMainWidget method (QApplication), 376
setMargin method (QFrame), 123
setMatchAllDirs method (QDir), 271
setMatrix method (QWMatrix), 219
setMaximumSize method
   QHBoxLayout, 177
   QSplitter, 125
setMidLineWidth method (QFrame), 123
setMinimumDuration method (QProgressDialog), 162
setMinimumSize method
   QHBoxLayout, 177
   QSplitter, 125
setMode method (QLCDNumber), 131
setMovie method (QLabel), 129
setMovingEnabled method (QDockWindow), 137
setMultiSelection method (QListBox), 111
setName method (QFile), 268
setNotchesVisible method (QDial), 117
setNotchTarget method (QDial), 117
setNullText method (QDataTable), 349
setNumDigitits method (QLCDNumber), 131
setOctMode method (QLCDNumber), 131
setOKButton method (QTabDialog), 170
setOpaqueSize (QSplitter), 125
setOrientation method
   QDialog, 168
   QScrollBar, 120
   QSplitter, 125
setOverrideCursor (QApplication), 237
setPalette method (QWidget), 104, 214
setPaper method (QTextView), 151
setPaperColorGroup method (QTextView), 151
setPassword method (QSqlDatabase), 340
setPixmap method
   QClipboard, 278
   QLabel, 129
   QPushButton, 107
setPopup method (QPushButton), 108
setPrefix method (QSpinBox), 117
setProgress method
   QProgressBar, 139
   QProgressDialog, 162
setRange method (QScrollBar), 120
setReadOnly (QTextEdit), 128
setRecord method (QSqlForm), 351
setRenameEnabled method
   QListView, 147
   QListViewItem, 146
setResizeEnabled method (QDockWindow), 137
setResizeMode method (QSplitter), 125
setRightJustification method (QMainWindow), 133
setRootIsDecorated method (QListViewItem), 144
setRowStretch method (layout managers), 181
setSegmentStyle method (QLCDNumber), 131
setSelected method (QListViewItem), 144
setShape method (QTabBar), 127
setSizeIncrement method (QWidget), 378
setSocket method (QSocket), 387
setSorting method
   QDir, 271
   QIconView, 147
setSource method (QTextBrowser), 151
setSpecialValueText method (QSpinBox), 117
setSteps method (QScrollBar), 120
setStretchableWidget method (QToolBar), 133
setStyle method (QApplication), 105
setStyleSheet method (QTextView), 151
setSuffix method (QSpinBox), 117
setTabEnabled method
   QTabBar, 127
   QTabDialog, 170
setTabOrder method (QWidget), 319
setText method
   QClipboard, 278
   QLabel, 38, 129
   QMessageBox, 161
   QPushButton, 107
setTextFormat (QTextEdit), 128
setTextLabel method (QToolButton), 134
setTime_t method (QDateTime), 376
setTitle method (QGroupBox), 124
setToggleAction method (QAction), 331
setToggleButton method (QToolButton), 134
setTotalSteps method
   QProgressBar, 139
   QProgressDialog, 162
setTreeStepSize method (QListViewItem), 144
setTrueText method (QDataTable), 349
setup method (QPrinter), 205
setUrl method (QFileDialog), 156
setUserName method (QSqlDatabase), 340
setUsesBigPixmap method
   QToolButton, 134
setUsesBigPixmaps method
   QMainWindow, 133
setUsesTextLabel method (QToolButton), 134
setValue method
   QScrollBar, 120
   QSpinBox, 117
   QSqlRecord, 359
setVerticallyStretchable method (QDockWindow), 137
setViewport method (QPainter), 220
setViewXForm method (QPainter), 221
setVScrollBarMode method (QScrollView), 141
setWidget method (QDockWindow), 137
setWorldForm method (QPainter), 220
setWorldMatrix method (QPainter), 219
shadow color, 213
shearing graphics, 217
shortDayName method (QDate/QTime/QDateTime), 285
shortMonthName method (QDate/QTime/QDateTime), 285
show method
   QDialog, 164
   QWorkspace, 135
showChild method (QScrollView), 140
showExtension method (QDialog), 168
showFullScreen method (QWidget), 379
showMaximized method (QWorkspace), 135
showNormal method (QWorkspace), 135
showTip method (QToolTipGroup), 138
Sierpinski Gasket program, 397
signal forwarding, 81
   file I/O and, 97
signal-and-slot mechanism, 46-55
   scrollbars and, 81
   (see also signals; slots)
signals, 46-55, 456
   advanced, 325-331
   connecting to slots, 446
      with Qt Designer, 438
signals method (Qt), 410
Simple API for XML (SAX), processing XML with, 258-260
size
   of dialog boxes, 165
   grips, 126
   hints, 426
Size method (QDir), 271
sizeHint method
   QCustomMenuItem, 122
   QWidget, 294
sizePolicy method (QWidget), 294
sizePolicy property, 424
sliderMoved method
   QScrollBar, 120
   QSlider, 115
   QWidget, 53
sliderPressed method (QScrollBar), 120
sliderReleased method (QScrollBar), 120
sliders, 114
slotAbout method
   QMessageBox, 71
   ScribbleWindow, 68
slotAboutQt method (ScribbleWindow), 68
slotColorMenu method (ScribbleWindow), 68, 80
slotIncomingData method
   HTTPMirrorServer, 387
   QSocket, 388
slotOperationFinished method (QUrlOperator), 393
slotProgress method (QUrlOperator), 393
slots, 46-55, 456
   access specifiers, 458
   adding custom, 439
   advanced, 325-331
   buttons, connecting several to one slot, 328
   connecting to signals, 446
      with Qt Designer, 438
   creating custom, 457
   return type, 459
slots method (Qt), 410
slots tool, 457
software (see Qt, obtaining)
sort method (QIconView), 147
sorting records, 346
sounds, playing, 290
source code, generating, 433
spacers, 453, 462
spin boxes, 117, 118
splitters, 124
SQL module, 336
   installing, 338
   support provided by, 337
   transactions, 360
stacks, 200
Standard Template Library (STL), not use by Qt, 35
start method
   QProcess, 288
   QThread, 363
   QTime, 284
startTimer method (QObject), 377
status bars, 132, 134
statusBar method (QMainWindow), 132
step method (QMovie), 204
stepDown method (QSpinBox), 118
stepUp method (QSpinBox), 118
STL (Standard Template Library), not used by Qt, 35
stop method
   QSound, 291
   QUrlOperator, 393
streamAsFile method (RotateGIFLoader), 405
stretch factors, 177
StrongFocus policy, 319
style method (QStyle), 312
styles, 232
stylesheets, 264
subclasses
   implementation in, 441
   naming schemes, 441
subclassing, 437
subkeyList method (QSettings), 276
sublayouts, 462
subwindows, 135
SVG (Scalable Vector Graphics), 89
synchronization (see multithreading, synchronization)
syncX method (QApplication), 376
synthetic events, 323

T[ Top ]
tab dialog boxes, 169-172
   (see also wizards)
tab order, 319, 459-461
   changing, 460
   default, 459
TabFocus policy, 318
tables method (QSqlDatabase), 360
tabular material, 169
   widgets for, 127, 148-151
tags, 264
tear-off menus, 122
templates, 35
temporary messages, 134
test mode, 430
testing your application, importance of, 186
text
   color, 213
   displaying (see labels)
   files, reading, 267-269
   processing, 238-266
   rich, 264-266
      widgets for displaying, 151
text-entry fields, 127
Time method (QDir), 271
time/date values
   widgets for entering, 118
   working with, 284
tip method (QToolTip), 138
toElement method (QDomNode), 261
toggle actions, 331
toolbars, 132
toolkits
   callbacks and, 46
   Java Swing, actions and, 330
tooltips, 132, 137-139
   GUI design and, 188
   as help for users, 332
toString method
   QDate/QTime/QDateTime), 285
   QDomDocument, 263
toStringList method (QSqlRecord), 360
transaction method (QSqlDatabase), 360
transformations, 217-221
   view, 220
translating graphics (transformations), 217
translations (see localization)
traverse method (QFileInfo), 271
traversing directories, 270-272
Trolltech, obtaining Qt from, 24
troubleshooting Qt, 31
   widgets, 39
   (see also debugging)
two-dimensional transformations, 217-220

U[ Top ]
ui files, 431, 437
uic command, 433, 464
   generating empty skeletons, 444, 465
   options, 434, 444
undo
   changes, 422
   layouts, 450
Unix method (QSettings), 275
Unix systems
   color management and, 211
   configuring Qt for multitasking on, 363
   database drivers, specifying, 338
   debugging and, 371
   drag-and-drop and, 279
   GUI toolkits and, 19
   installing Qt or Qt/Embedded on, 26-32
   Motif and, 19
   printing and, 205
   Qt on, 406
   signals and, 328
unlock method
   QApplication, 367
   QMutex, 364
Unsorted method (QDir), 271
update method (QSqlCursor), 359
updateCell method (QWidget), 314
updateItem method (QMenuData), 121
URLs
   GUI/UI design, 186
   KDE, 36
   Qt, obtaining from Trolltech, 24
   RIP ghostscript, 205
users
   providing help for, 332-335
   validating input of, 246-251
utilities
   lrelease, 245, 246
   lupdate, 242, 246

V[ Top ]
validate method (QValidator), 251
validating parsers, 257
validators, 113
validity, XML and, 257
value method
   QSlider, 115
   QSpinBox, 117
   QSqlQuery, 343
value-based container classes, 200-202
valueChanged method
   QScrollBar, 120
   QSlider, 115
   QSpinBox, 118
variables
   custom widgets and, 294
   multithreading and, 362
VerPattern constant (QBrush), 216
view transformations, 220
viewport transformations, 220
views (see icon views; list views; scroll views)
virtual functions, 34
Visual C++ IDE, 416-419
   creating projects, 417
      with qmake, 418
   makefiles, importing, 416
   Visual Studio integration, 418
Visual Studio integration, 418

W[ Top ]
wait method (QWaitCondition), 365
wakeAll method (QWaitCondition), 365
wakeOne method (QWaitCondition), 365
warning
   dialog boxes, 160
   messages, 369
warning method (QMessageBox), 161
well-formedness, XML and, 257
What's This windows, 137-139
   as help for users, 333
whatsThisButton method (QWhatsThis), 139, 333
WheelFocus policy, 319
widget classes, 100
widget flags, 312
widget hierarchy, 428
widget stacks, 126
widgets, 38, 100-152
   adding to forms, 425
   for bounded-range input, 114-118
      date/time values, 118
   for buttons, 107-110
   columns, laying out in, 176-178
   connecting, 446
   constructors for, 104
   custom, 293-317, 472-474
      caution with, 293
      using on forms, 361
   for displaying rich text, 151
   enabled/disabled, 104
   for entering date/time values, 118
   GUI design and, 187, 189-191
   initializing the state, 445
   for labels, 129-152
   menu-related, 121, 122
   Office suite interface (Microsoft) components, resembling, 132-139
   parameters for, 104
   properties of, 106
   resizing, portability and, 376
   rows, laying out in, 176-178
   scrollable, 74
   selection, 110-114
   signals emitted by, 48
   size of, adjusting, 426
   styles of, 105, 106
   tab-related, 127, 148-151
window transformations, 220
windowActivated method (QWorkspace), 136
windowList method (QWorkspace), 136
windows
   docking, 136
   subwindows and, 135
   What's This, 137-139
Windows method (QSettings), 275
Windows systems
   color management and, 211
   database drivers, specifying, 338
   GUI design and, 188
   installing Qt on, 33
   printing and, 205
winId method (QWidget), 379
wizards, 172
world transformations (see view transformations)
writeBlock method (QFile), 269
writeEntry method (QSettings), 274

X[ Top ]
x11Display method (QPaintDevice), 377
XDND drag-and-drop protocol, 279
xFormDev method (QPainter), 218
XML
   files, reading/writing, 256-264
   processing with DOM, 260
   processing with SAX, 258
   well-formedness and, 257
Xt widgets, integrating, 406