Obsolete Members for QVariant
The following members of class QVariant are obsolete. They are provided to keep old source code working. We strongly advise against using them in new code.
Public Types
(obsolete) enum | Type { Invalid, BitArray, Bitmap, Bool, ..., UserType } |
Related Non-Members
(obsolete) bool | qVariantCanConvert(const QVariant & value) |
(obsolete) QVariant | qVariantFromValue(const T & value) |
(obsolete) void | qVariantSetValue(QVariant & variant, const T & value) |
(obsolete) T | qVariantValue(const QVariant & value) |
Member Type Documentation
enum QVariant::Type
This enum type defines the types of variable that a QVariant can contain.
| Constant | Value | Description |
|---|---|---|
QVariant::Invalid | QMetaType::UnknownType | no type |
QVariant::BitArray | QMetaType::QBitArray | a QBitArray |
QVariant::Bitmap | QMetaType::QBitmap | a QBitmap |
QVariant::Bool | QMetaType::Bool | a bool |
QVariant::Brush | QMetaType::QBrush | a QBrush |
QVariant::ByteArray | QMetaType::QByteArray | a QByteArray |
QVariant::Char | QMetaType::QChar | a QChar |
QVariant::Color | QMetaType::QColor | a QColor |
QVariant::Cursor | QMetaType::QCursor | a QCursor |
QVariant::Date | QMetaType::QDate | a QDate |
QVariant::DateTime | QMetaType::QDateTime | a QDateTime |
QVariant::Double | QMetaType::Double | a double |
QVariant::EasingCurve | QMetaType::QEasingCurve | a QEasingCurve |
QVariant::Uuid | QMetaType::QUuid | a QUuid |
QVariant::ModelIndex | QMetaType::QModelIndex | a QModelIndex |
QVariant::Font | QMetaType::QFont | a QFont |
QVariant::Hash | QMetaType::QVariantHash | a QVariantHash |
QVariant::Icon | QMetaType::QIcon | a QIcon |
QVariant::Image | QMetaType::QImage | a QImage |
QVariant::Int | QMetaType::Int | an int |
QVariant::KeySequence | QMetaType::QKeySequence | a QKeySequence |
QVariant::Line | QMetaType::QLine | a QLine |
QVariant::LineF | QMetaType::QLineF | a QLineF |
QVariant::List | QMetaType::QVariantList | a QVariantList |
QVariant::Locale | QMetaType::QLocale | a QLocale |
QVariant::LongLong | QMetaType::LongLong | a qlonglong |
QVariant::Map | QMetaType::QVariantMap | a QVariantMap |
QVariant::Matrix | QMetaType::QMatrix | a QMatrix |
QVariant::Transform | QMetaType::QTransform | a QTransform |
QVariant::Matrix4x4 | QMetaType::QMatrix4x4 | a QMatrix4x4 |
QVariant::Palette | QMetaType::QPalette | a QPalette |
QVariant::Pen | QMetaType::QPen | a QPen |
QVariant::Pixmap | QMetaType::QPixmap | a QPixmap |
QVariant::Point | QMetaType::QPoint | a QPoint |
QVariant::PointF | QMetaType::QPointF | a QPointF |
QVariant::Polygon | QMetaType::QPolygon | a QPolygon |
QVariant::PolygonF | QMetaType::QPolygonF | a QPolygonF |
QVariant::Quaternion | QMetaType::QQuaternion | a QQuaternion |
QVariant::Rect | QMetaType::QRect | a QRect |
QVariant::RectF | QMetaType::QRectF | a QRectF |
QVariant::RegExp | QMetaType::QRegExp | a QRegExp |
QVariant::RegularExpression | QMetaType::QRegularExpression | a QRegularExpression |
QVariant::Region | QMetaType::QRegion | a QRegion |
QVariant::Size | QMetaType::QSize | a QSize |
QVariant::SizeF | QMetaType::QSizeF | a QSizeF |
QVariant::SizePolicy | QMetaType::QSizePolicy | a QSizePolicy |
QVariant::String | QMetaType::QString | a QString |
QVariant::StringList | QMetaType::QStringList | a QStringList |
QVariant::TextFormat | QMetaType::QTextFormat | a QTextFormat |
QVariant::TextLength | QMetaType::QTextLength | a QTextLength |
QVariant::Time | QMetaType::QTime | a QTime |
QVariant::UInt | QMetaType::UInt | a uint |
QVariant::ULongLong | QMetaType::ULongLong | a qulonglong |
QVariant::Url | QMetaType::QUrl | a QUrl |
QVariant::Vector2D | QMetaType::QVector2D | a QVector2D |
QVariant::Vector3D | QMetaType::QVector3D | a QVector3D |
QVariant::Vector4D | QMetaType::QVector4D | a QVector4D |
QVariant::UserType | QMetaType::User | Base value for user-defined types. |
Related Non-Members
bool qVariantCanConvert(const QVariant & value)
Returns true if the given value can be converted to the template type specified; otherwise returns false.
This function is equivalent to QVariant::canConvert(value).
Note: This function was provided as a workaround for MSVC 6 which did not support member template functions. It is advised to use the other form in new code.
See also QVariant::canConvert().
QVariant qVariantFromValue(const T & value)
Returns a variant containing a copy of the given value with template type T.
This function is equivalent to QVariant::fromValue(value).
Note: This function was provided as a workaround for MSVC 6 which did not support member template functions. It is advised to use the other form in new code.
For example, a QObject pointer can be stored in a variant with the following code:
QObject *object = getObjectFromSomewhere(); QVariant data = QVariant::fromValue(object);
See also QVariant::fromValue().
void qVariantSetValue(QVariant & variant, const T & value)
Sets the contents of the given variant to a copy of the value with the specified template type T.
This function is equivalent to QVariant::setValue(value).
Note: This function was provided as a workaround for MSVC 6 which did not support member template functions. It is advised to use the other form in new code.
See also QVariant::setValue().
T qVariantValue(const QVariant & value)
Returns the given value converted to the template type T.
This function is equivalent to QVariant::value<T>(value).
Note: This function was provided as a workaround for MSVC 6 which did not support member template functions. It is advised to use the other form in new code.
See also QVariant::value() and qvariant_cast().
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