These classes are useful classes not fitting into any other category.
QCoreVariant | Acts like a union for the most common Qt data types |
QDoubleValidator | Range checking of floating-point numbers |
QErrorMessage | Error message display dialog |
QExplicitlySharedDataPointer | Internal class supporting shared data objects |
QIntValidator | Validator that ensures a string contains a valid integer within a specified range |
QKeySequence | Encapsulates a key sequence as used by shortcuts |
QMacMime | Maps open-standard MIME to Mac flavors |
QProcess | Used to start external programs and to communicate with them |
QRegExp | Pattern matching using regular expressions |
QRegExpValidator | Used to check a string against a regular expression |
QRubberBand | Rectangle or line that can indicate a selection or a boundary |
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 |
QSplashScreen | Splash screen that can be shown during application startup |
QUrl | Convenient interface for working with URLs |
QUrlInfo | Stores information about URLs |
QUuid | Defines a Universally Unique Identifier (UUID) |
QValidator | Validation of input text |
QVariant | Safe generic container for the most common Qt data types |
QWindowsMime | Maps open-standard MIME to Window Clipboard formats |
Qt | Miscellaneous identifiers used throughout the Qt library |