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573694da5f
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@36835 a592a061-630c-0410-9148-cb99ea01b6c8
108 lines
2.5 KiB
C++
108 lines
2.5 KiB
C++
// -*- C++ -*-
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/**
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* \file GuiClipboard.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 GUICLIPBOARD_H
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#define GUICLIPBOARD_H
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#include "frontends/Clipboard.h"
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#include <QMimeData>
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#include <QObject>
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#include <QStringList>
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#include <boost/cstdint.hpp>
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namespace lyx {
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namespace frontend {
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class QMacPasteboardMimeGraphics;
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/**
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* \class CacheMimeData
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*
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* This class is used in order to query the clipboard only once on
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* startup and once each time the contents of the clipboard changes.
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*/
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class CacheMimeData : public QMimeData
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{
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Q_OBJECT
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public:
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// LyX calls "on_dataChanged" on startup, so it is not necessary to
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// query the clipboard here.
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CacheMimeData()
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{}
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/// reads the clipboard and updates the cached_formats_
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void update();
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/// returns the cached list of formats supported by the object
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virtual QStringList formats() const { return cached_formats_; }
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/// reads the clipboard and returns the data
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QByteArray data(QString const & mimeType) const;
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private:
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/// the cached list of formats supported by the object
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QStringList cached_formats_;
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};
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/**
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* The Qt4 version of the Clipboard.
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*/
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class GuiClipboard: public QObject, public Clipboard
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{
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Q_OBJECT
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public:
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GuiClipboard();
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/** Clipboard overloaded methods
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*/
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//@{
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std::string const getAsLyX() const;
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FileName getAsGraphics(Cursor const & cur, GraphicsType type) const;
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docstring const getAsText() const;
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void put(std::string const & lyx, docstring const & text);
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bool hasLyXContents() const;
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bool hasGraphicsContents(GraphicsType type = AnyGraphicsType) const;
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bool hasTextContents() const;
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bool isInternal() const;
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bool hasInternal() const;
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bool empty() const;
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//@}
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FileName getPastedGraphicsFileName(Cursor const & cur,
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Clipboard::GraphicsType & type) const;
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private Q_SLOTS:
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void on_dataChanged();
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private:
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bool text_clipboard_empty_;
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bool has_lyx_contents_;
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bool has_graphics_contents_;
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/// the cached mime data used to describe the information
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/// that can be stored in the clipboard
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CacheMimeData cache_;
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/// checksum for internal clipboard data (used on Mac)
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boost::uint32_t checksum;
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};
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QString const lyxMimeType();
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QString const pdfMimeType();
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QString const emfMimeType();
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QString const wmfMimeType();
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} // namespace frontend
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} // namespace lyx
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#endif // GUICLIPBOARD_H
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