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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21588 a592a061-630c-0410-9148-cb99ea01b6c8
73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
// -*- C++ -*-
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/**
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* \file Clipboard.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author unknown
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* \author John Levon
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* \author Abdelrazak Younes
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef BASE_CLIPBOARD_H
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#define BASE_CLIPBOARD_H
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#include "support/strfwd.h"
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namespace lyx {
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namespace frontend {
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/**
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* A Clipboard class manages the clipboard.
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*/
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class Clipboard
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{
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public:
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virtual ~Clipboard() {}
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/**
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* Get the system clipboard contents. The format is as written in
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* .lyx files (may even be an older version than ours if it comes
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* from an older LyX).
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* Does not convert plain text to LyX if only plain text is available.
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* This should be called when the user requests to paste from the
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* clipboard.
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*/
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virtual std::string const getAsLyX() const = 0;
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/// Get the contents of the window system clipboard in plain text format.
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virtual docstring const getAsText() const = 0;
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/**
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* Fill the system clipboard. The format of \p lyx is as written in
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* .lyx files, the format of \p text is plain text.
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* We put the clipboard contents in LyX format and plain text into
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* the system clipboard if supported, so that it is useful for other
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* applications as well as other instances of LyX.
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* This should be called when the user requests to cut or copy to
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* the clipboard.
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*/
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virtual void put(std::string const & lyx, docstring const & text) = 0;
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/// Does the clipboard contain LyX contents?
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virtual bool hasLyXContents() const = 0;
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/// state of clipboard.
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/// \returns true if the system clipboard has been set within LyX
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/// (document contents, dialogs count as external here).
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virtual bool isInternal() const = 0;
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/// Is the clipboard empty?
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/// \returns true if both the LyX and the plaintext versions of the
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/// clipboard are empty.
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virtual bool empty() const = 0;
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};
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} // namespace frontend
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/// Implementation is in Application.cpp
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extern frontend::Clipboard & theClipboard();
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} // namespace lyx
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#endif // BASE_CLIPBOARD_H
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