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

Trademarks

Qt 4.4.1