# QtCore Classes

QAbstractEventDispatcher | Manages Qt's event queue, excluding GUI-related events
QAbstractItemModel | The abstract interface for item model classes
QAbstractListModel | Abstract model that can be subclassed to create one-dimensional list models
QAbstractTableModel | Abstract model that can be subclassed to create table models
QBasicTimer | Timer events for
QBitArray | Array of bits
QBuffer | QIODevice interface for a QByteArray
QByteArray | Array of bytes
QByteArrayMatcher | Holds a sequence of bytes that can be quickly matched in a byte array
QCache | Template class that provides a cache
QChar | 16-bit Unicode character
QChildEvent | Event parameters for child object events
QCoreApplication | Event loop for Qt applications
QCustomEvent | Support for custom events
QDataStream | Serialization of binary data to a QIODevice
QDate | Date functions
QDateTime | Date and time functions
QDir | Access to directory structures and their contents
QEvent | The base class of all event classes. Event objects contain event parameters
QFile | Interface for reading from and writing to files
QFileEngine | Abstraction for accessing the filesystem
QFileEngineHandler | Allows custom QFileEngines to be plugged into Qt
QFileInfo | System-independent file information
QHash | Template class that provides a hash-table-based dictionary
QIODevice | The base interface class of all I/O devices in Qt
QLatin1Char | 8-bit ASCII/Latin-1 character
QLatin1String | Thin wrapper around an ASCII/Latin-1 encoded string literal
QLibrary | Loads shared libraries at runtime
QLibraryInfo | Information about the Qt library
QLine | Two-dimensional vector that uses integer point coordinates for accuracy
QLineF | Two-dimensional vector that uses floating point coordinates for accuracy
QLinkedList | Template class that provides linked lists
QList | Template class that provides lists
QLocale | Converts between numbers and their string representations in various languages
QMap | Template class that provides a skip-list-based dictionary
QMetaClassInfo | Additional information about a class
QMetaEnum | Meta data about an enumerator
QMetaMember | Meta data about a member function
QMetaObject | Meta information about Qt objects
QMetaProperty | Meta data about a property
QMetaType | Manages named types in the meta object system
QMimeData | Container for data that records information about its MIME type
QModelIndex | Used to locate data in a data model
QMultiHash | Convenience QHash subclass that provides multi-valued hashes
QMultiMap | Convenience QMap subclass that provides multi-valued maps
QMutex | Access serialization between threads
QMutexLocker | Convenience class that simplifies locking and unlocking mutexes
QObject | The base class of all Qt objects
QObjectCleanupHandler | Watches the lifetime of multiple QObjects
QPair | Template class that stores a pair of items
QPersistentModelIndex | Used to locate data in a data model
QPluginLoader | Loads a plugin at runtime
QPoint | Defines a point in the plane
QPointF | Point object that uses floating point coordinates for accuracy
QPointer | Template class that provides guarded pointers to QObjects
QProcess | Used to start external programs and to communicate with them
QQueue | Generic container that provides a queue
QReadLocker | Convenience class that simplifies locking and unlocking read-write locks for read access
QReadWriteLock | Read-write locking
QRect | Defines a rectangle in the plane
QRectF | Defines a rectangle in the plane using floating point coordinates for accuracy
QRegExp | Pattern matching using regular expressions
QResource | Access to application resource data
QSemaphore | General counting semaphore
QSet | Template class that provides a hash-table-based set
QSettings | Persistent platform-independent application settings
QSharedData | Base class for shared data objects
QSharedDataPointer | Pointer to a shared data object
QSignal | Can be used to send signals for classes that do not inherit QObject
QSignalMapper | Bundles signals from identifiable senders
QSize | Defines the size of a two-dimensional object
QSizeF | Defines the size of a two-dimensional object using floating point values for accuracy
QSocketNotifier | Support for monitoring activity on a file descriptor
QStack | Template class that provides a stack
QString | Unicode character string
QStringList | List of strings
QTemporaryFile | I/O device that operates on temporary files
QTextCodec | Conversions between text encodings
QTextCodecPlugin | Abstract base for custom QTextCodec plugins
QTextDecoder | State-based decoder
QTextEncoder | State-based encoder
QTextIStream | Convenience class for input streams
QTextOStream | Convenience class for output streams
QTextStream | Convenient interface for reading and writing text
QThread | Platform-independent threads
QThreadStorage | Per-thread data storage
QTime | Clock time functions
QTimer | Repetitive and single-shot timers
QTimerEvent | Parameters that describe a timer event
QTranslator | Internationalization support for text output
QTranslatorMessage | Translator message and its properties
QTsciiCodec | Conversion to and from the Tamil TSCII encoding
QUrl | Convenient interface for working with URLs
QUuid | Defines a Universally Unique Identifier (UUID)
QVarLengthArray | Low-level variable-length array
QVariant | Acts like a union for the most common Qt data types
QVector | Template class that provides a dynamic array
QWaitCondition | Condition variable for synchronizing threads
QWriteLocker | Convenience class that simplifies locking and unlocking read-write locks for write access