2002-06-18 15:44:30 +00:00
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// -*- C++ -*-
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/**
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* \file WorkArea.h
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* Copyright 1995-2002 the LyX Team
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* Read the file COPYING
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*
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* \author unknown
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* \author John Levon <moz@compsoc.man.ac.uk>
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*/
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#ifndef WORKAREA_H
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#define WORKAREA_H
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include "frontends/Painter.h"
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#include "frontends/mouse_state.h"
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#include "frontends/key_state.h"
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#include "frontends/LyXKeySym.h"
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#include <boost/signals/signal0.hpp>
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#include <boost/signals/signal1.hpp>
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#include <boost/signals/signal2.hpp>
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#include <boost/signals/signal3.hpp>
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#include <utility>
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///
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class WorkArea {
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public:
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///
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WorkArea() {}
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///
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virtual ~WorkArea() {}
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///
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virtual Painter & getPainter() = 0;
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///
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virtual int workWidth() const = 0;
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///
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virtual int workHeight() const = 0;
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///
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virtual void resize(int xpos, int ypos, int width, int height) = 0;
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///
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virtual void redraw() const = 0;
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///
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virtual void setFocus() const = 0;
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///
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virtual bool hasFocus() const = 0;
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///
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virtual void greyOut() const = 0;
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///
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virtual void setScrollbarParams(int height, int pos, int line_height) = 0;
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/// a selection exists
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virtual void haveSelection(bool) const = 0;
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///
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virtual string const getClipboard() const = 0;
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///
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virtual void putClipboard(string const &) const = 0;
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// Signals
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///
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boost::signal0<void> workAreaExpose;
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///
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boost::signal1<void, int> scrollDocView;
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///
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boost::signal2<void, LyXKeySymPtr, key_modifier::state> workAreaKeyPress;
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///
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boost::signal3<void, int, int, mouse_button::state> workAreaButtonPress;
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///
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boost::signal3<void, int, int, mouse_button::state> workAreaButtonRelease;
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///
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boost::signal3<void, int, int, mouse_button::state> workAreaMotionNotify;
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///
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boost::signal3<void, int, int, mouse_button::state> workAreaDoubleClick;
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///
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boost::signal3<void, int, int, mouse_button::state> workAreaTripleClick;
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/// emitted when an X client has requested our selection
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boost::signal0<void> selectionRequested;
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/// emitted when another X client has stolen our selection
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boost::signal0<void> selectionLost;
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};
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#endif // WORKAREA_H
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