CentOS 7.0 - man page for qfilepreview (centos section 3qt)
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QFilePreview - File previewing in QFileDialog
virtual void previewUrl ( const QUrl & url ) = 0
The QFilePreview class provides file previewing in QFileDialog.
This class is an abstract base class which is used to implement widgets that can display a
preview of a file in a QFileDialog.
You must derive the preview widget from both QWidget and from this class. Then you must
reimplement this class's previewUrl() function, which is called by the file dialog if the
preview of a file (specified as a URL) should be shown.
See also QFileDialog::setPreviewMode(), QFileDialog::setContentsPreview(),
For an example of a preview widget see qt/examples/qdir/qdir.cpp.
See also Miscellaneous Classes.
MEMBER FUNCTION DOCUMENTATION
Constructs the QFilePreview.
void QFilePreview::previewUrl ( const QUrl & url ) [pure virtual]
This function is called by QFileDialog if a preview for the url should be shown.
Reimplement this function to provide file previewing.
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Trolltech AS 2 February 2007 QFilePreview(3qt)
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