Q3ImageDrag Class ReferenceThe Q3ImageDrag class provides a drag and drop object for transferring images. More... #include <Q3ImageDrag> This class is part of the Qt 3 support library. It is provided to keep old source code working. We strongly advise against using it in new code. See Porting to Qt 4 for more information. Inherits Q3DragObject. Public Functions
Reimplemented Public Functions
Static Public Members
Additional Inherited Members
Detailed DescriptionThe Q3ImageDrag class provides a drag and drop object for transferring images. Images are offered to the receiving application in multiple formats, determined by Qt's output formats. Member Function DocumentationQ3ImageDrag::Q3ImageDrag ( QImage image, QWidget * dragSource = 0, const char * name = 0 )Constructs an image drag object with the given name, and sets its data to image. The dragSource is the widget that the drag operation started from. Q3ImageDrag::Q3ImageDrag ( QWidget * dragSource = 0, const char * name = 0 )Constructs a default image drag object with the given name. The dragSource is the widget that the drag operation started from. Q3ImageDrag::~Q3ImageDrag ()Destroys the image drag object. bool Q3ImageDrag::canDecode ( const QMimeSource * source ) [static]Returns true if the information in the MIME source can be decoded into an image; otherwise returns false. See also decode(). bool Q3ImageDrag::decode ( const QMimeSource * source, QImage & image ) [static]Decode the dropped information in the MIME source into the image. Returns true if successful; otherwise returns false. See also canDecode(). bool Q3ImageDrag::decode ( const QMimeSource * source, QPixmap & pixmap ) [static]This is an overloaded function. Decodes the dropped information in the MIME source into the pixmap. Returns true if successful; otherwise returns false. This is a convenience function that converts the information to a QPixmap via a QImage. See also canDecode(). QByteArray Q3ImageDrag::encodedData ( const char * fmt ) const [virtual]Reimplemented from QMimeSource::encodedData(). const char * Q3ImageDrag::format ( int i ) const [virtual]Reimplemented from QMimeSource::format(). void Q3ImageDrag::setImage ( QImage image ) [virtual]Sets the image to be dragged. You will need to call this if you did not pass the image during construction. X
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