lyx_mirror/src/frontends/Clipboard.h
André Pönitz 0ee7c6e283 remove #includes; cosmetics
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21588 a592a061-630c-0410-9148-cb99ea01b6c8
2007-11-13 23:00:36 +00:00

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2.0 KiB
C++

// -*- C++ -*-
/**
* \file Clipboard.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author unknown
* \author John Levon
* \author Abdelrazak Younes
*
* Full author contact details are available in file CREDITS.
*/
#ifndef BASE_CLIPBOARD_H
#define BASE_CLIPBOARD_H
#include "support/strfwd.h"
namespace lyx {
namespace frontend {
/**
* A Clipboard class manages the clipboard.
*/
class Clipboard
{
public:
virtual ~Clipboard() {}
/**
* Get the system clipboard contents. The format is as written in
* .lyx files (may even be an older version than ours if it comes
* from an older LyX).
* Does not convert plain text to LyX if only plain text is available.
* This should be called when the user requests to paste from the
* clipboard.
*/
virtual std::string const getAsLyX() const = 0;
/// Get the contents of the window system clipboard in plain text format.
virtual docstring const getAsText() const = 0;
/**
* Fill the system clipboard. The format of \p lyx is as written in
* .lyx files, the format of \p text is plain text.
* We put the clipboard contents in LyX format and plain text into
* the system clipboard if supported, so that it is useful for other
* applications as well as other instances of LyX.
* This should be called when the user requests to cut or copy to
* the clipboard.
*/
virtual void put(std::string const & lyx, docstring const & text) = 0;
/// Does the clipboard contain LyX contents?
virtual bool hasLyXContents() const = 0;
/// state of clipboard.
/// \returns true if the system clipboard has been set within LyX
/// (document contents, dialogs count as external here).
virtual bool isInternal() const = 0;
/// Is the clipboard empty?
/// \returns true if both the LyX and the plaintext versions of the
/// clipboard are empty.
virtual bool empty() const = 0;
};
} // namespace frontend
/// Implementation is in Application.cpp
extern frontend::Clipboard & theClipboard();
} // namespace lyx
#endif // BASE_CLIPBOARD_H