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