Qt 4.3: Miscellaneous Classes

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# Miscellaneous Classes

These classes are useful classes not fitting into any other category.

QDoubleValidator | Range checking of floating-point numbers
QErrorMessage | Error message display dialog
QIntValidator | Validator that ensures a string contains a valid integer within a specified range
QKeySequence | Encapsulates a key sequence as used by shortcuts
QLibraryInfo | Information about the Qt library
QMacPasteboardMime | 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
QSplashScreen | Splash screen that can be shown during application startup
QUndoCommand | The base class of all commands stored on a QUndoStack
QUndoGroup | Group of QUndoStack objects
QUndoStack | Stack of QUndoCommand objects
QUndoView | Displays the contents of a QUndoStack
QUrl | Convenient interface for working with URLs
QUrlInfo | Stores information about URLs
QUuid | Stores a Universally Unique Identifier (UUID)
QValidator | Validation of input text
QVariant | Acts like a union for the most common Qt data types
QWindowsMime | Maps open-standard MIME to Window Clipboard formats
Qt | Miscellaneous identifiers used throughout the Qt library