Q3ImageDrag Class Reference
[Qt3Support module]

Detailed Description

The 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 Documentation

Q3ImageDrag::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 member function, provided for convenience.

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().

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.