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Qt's Main Classes

These are the most frequently used Qt classes. For the complete list see Qt's Classes.

A	QAbstractItemDelegate		QFrame		QPen		QStack
	QAbstractItemModel		QFtp		QPicture		QStackedLayout
	QAbstractItemView	G	QGLWidget		QPixmap		QStackedWidget
	QAccessible		QGraphicsScene		QPlainTextEdit		QStatusBar
	QAction		QGraphicsView		QPluginLoader		QString
	QApplication		QGridLayout		QPointer		QStringList
B	QButtonGroup		QGroupBox		QPrinter		QStringListModel
	QByteArray	H	QHash		QProcess		QStyledItemDelegate
C	QCache		QHBoxLayout		QProgressBar	T	QTabBar
	QCalendarWidget		QHeaderView		QProgressDialog		QTableView
	QCheckBox		QHttp		QPushButton		QTableWidget
	QClipboard	I	QIcon	Q	QQueue		QTabWidget
	QColor		QImage	R	QRadioButton		QTemporaryFile
	QColorDialog		QInputDialog		QRegExp		QTextCursor
	QColumnView		QItemDelegate		QResource		QTextDocument
	QComboBox	K	QKeySequence		QRubberBand		QTextEdit
	QCommandLinkButton	L	QLabel	S	QScriptable		QThread
	QCoreApplication		QLCDNumber		QScriptClass		QThreadStorage
	QCursor		QLibrary		QScriptContext		QTime
D	QDataStream		QLibraryInfo		QScriptContextInfo		QTimeEdit
	QDate		QLineEdit		QScriptEngine		QTimer
	QDateEdit		QLinkedList		QScriptEngineAgent		QToolBar
	QDateTime		QList		QScriptEngineDebugger		QToolBox
	QDateTimeEdit		QListView		QScriptString		QToolButton
	QDesktopWidget		QListWidget		QScriptSyntaxCheckResult		QToolTip
	QDial		QLocale		QScriptValue		QTranslator
	QDialog	M	QMainWindow		QScriptValueIterator		QTreeView
	QDialogButtonBox		QMap		QScrollArea		QTreeWidget
	QDir		QMdiArea		QSet	U	QUrl
	QDomDocument		QMdiSubWindow		QSettings	V	QValidator
	QDomNode		QMenu		QSharedDataPointer		QVariant
	QDoubleSpinBox		QMenuBar		QShortcut		QVBoxLayout
E	QExplicitlySharedDataPointer		QMessageBox		QSignalMapper		QVector
F	QFile		QModelIndex		QSlider	W	QWhatsThis
	QFileDialog		QMultiHash		QSound		QWidget
	QFlags		QMultiMap		QSpinBox		QWidgetAction
	QFocusFrame		QMutex		QSplashScreen	X	QXmlSimpleReader
	QFont	O	QObject		QSplitter		QXmlStreamReader
	QFontDialog	P	QPainter		QSqlDatabase		QXmlStreamWriter
	QFormLayout		QPalette		QSqlQuery

Trademarks

Qt 4.5.0