/usr/include/khexedit/clipboardinterface.h is in kdelibs5-dev 4:4.13.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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clipboardinterface.h - description
-------------------
begin : Sat Sep 13 2003
copyright : (C) 2003 by Friedrich W. H. Kossebau
email : kossebau@kde.org
***************************************************************************/
/***************************************************************************
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License version 2 as published by the Free Software Foundation. *
* *
***************************************************************************/
#ifndef KHE_CLIPBOARDINTERFACE_H
#define KHE_CLIPBOARDINTERFACE_H
#include <QtCore/QObject>
namespace KHE
{
/**
* @short A simple interface for interaction with the clipboard
*
* This interface enables the interaction with the clipboard. It relies on the
* possibilities of signal/slot so a class B that implements this interface
* should be derived from QObject. When connecting to a signal or a slot
* the class B has to be used, not the interface.
* <p>
* Example:
* \code
* KHE::ClipboardInterface *Clipboard = KHE::clipboardInterface( BytesEditWidget );
* if( Clipboard )
* {
* // Yes, use BytesEditWidget, not Clipboard, because that's the QObject, indeed hacky...
* connect( BytesEditWidget, SIGNAL(copyAvailable(bool)), this, SLOT(offerCopy(bool)) );
* }
* \endcode
*
* @author Friedrich W. H. Kossebau <kossebau@kde.org>
* @see createBytesEditWidget(), clipboardInterface()
*/
class ClipboardInterface
{
public:
virtual ~ClipboardInterface() {}
public: // slots
/** tries to copy. If there is nothing to copy this call is a noop. */
virtual void copy() = 0;
/** tries to cut. If there is nothing to cut this call is a noop. */
virtual void cut() = 0;
/** tries to paste.
* If there is nothing to paste or paste is not possible this call is a noop.
* Use BytesEditInterface::isReadOnly() to find out if you can paste at all.
*/
virtual void paste() = 0;
public: // signals
/** signal: tells whether copy is possible or not.
* Remember to use the created object, not the interface for connecting
* Use BytesEditInterface::isReadOnly() to find out if you can also cut
* As this function symbol serves as a signal, this is a noop. Don't use it
* for anything else.
*/
virtual void copyAvailable( bool Really ) = 0;
};
/** tries to get the clipboard interface of t
* @return a pointer to the interface, otherwise 0
* @author Friedrich W. H. Kossebau <kossebau@kde.org>
*/
template<class T>
ClipboardInterface *clipboardInterface( T *t )
{
return t ? qobject_cast<KHE::ClipboardInterface *>( t ) : 0;
}
}
Q_DECLARE_INTERFACE( KHE::ClipboardInterface, "org.kde.khe.clipboardinterface/1.0" )
#endif
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