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99d1627a47
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@6138 a592a061-630c-0410-9148-cb99ea01b6c8
129 lines
3.5 KiB
C++
129 lines
3.5 KiB
C++
// -*- C++ -*-
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/**
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* \file insetgraphics.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 Baruch Even
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* \author Herbert Voss
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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 INSET_GRAPHICS_H
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#define INSET_GRAPHICS_H
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#include "insets/inset.h"
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#include "insets/insetgraphicsParams.h"
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// We need a signal here to hide an active dialog when we are deleted.
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#include <boost/signals/signal0.hpp>
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#include <boost/signals/trackable.hpp>
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#include <boost/scoped_ptr.hpp>
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class Dialogs;
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class LaTeXFeatures;
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///
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class InsetGraphics : public Inset, public boost::signals::trackable {
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public:
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///
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InsetGraphics();
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///
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InsetGraphics(InsetGraphics const &, string const & filepath,
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bool same_id = false);
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///
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~InsetGraphics();
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///
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int ascent(BufferView *, LyXFont const &) const;
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///
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int descent(BufferView *, LyXFont const &) const;
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///
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int width(BufferView *, LyXFont const &) const;
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///
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void draw(BufferView *, LyXFont const &, int, float &, bool) const;
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///
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void edit(BufferView *, int, int, mouse_button::state);
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///
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void edit(BufferView * bv, bool front = true);
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///
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EDITABLE editable() const;
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///
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void write(Buffer const *, std::ostream &) const;
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///
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void read(Buffer const *, LyXLex & lex);
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/** returns the number of rows (\n's) of generated tex code.
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#fragile == true# means, that the inset should take care about
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fragile commands by adding a #\protect# before.
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*/
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int latex(Buffer const *, std::ostream &,
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bool fragile, bool free_spc) const;
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///
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int ascii(Buffer const *, std::ostream &, int linelen) const;
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///
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int linuxdoc(Buffer const *, std::ostream &) const;
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///
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int docbook(Buffer const *, std::ostream &, bool mixcont) const;
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/** Tell LyX what the latex features you need i.e. what latex packages
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you need to be included.
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*/
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void validate(LaTeXFeatures & features) const;
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/// returns LyX code associated with the inset. Used for TOC, ...)
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Inset::Code lyxCode() const { return Inset::GRAPHICS_CODE; }
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///
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virtual Inset * clone(Buffer const &, bool same_id = false) const;
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/** Set the inset parameters, used by the GUIndependent dialog.
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Return true of new params are different from what was so far.
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*/
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bool setParams(InsetGraphicsParams const & params,
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string const & filepath);
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/// Get the inset parameters, used by the GUIndependent dialog.
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InsetGraphicsParams const & params() const;
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/** This signal is connected by our dialog and called when the inset
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is deleted.
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*/
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boost::signal0<void> hideDialog;
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private:
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/// Is the image ready to draw, or should we display a message instead?
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bool imageIsDrawable() const;
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/** This method is connected to cache_->statusChanged, so we are
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informed when the image has been loaded.
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*/
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void statusChanged();
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/// Read the inset native format
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void readInsetGraphics(LyXLex & lex);
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/// Get the status message, depends on the image loading status.
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string const statusMessage() const;
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/// Create the options for the latex command.
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string const createLatexOptions() const;
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/// Convert the file if needed, and return the location of the file.
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string const prepareFile(Buffer const * buf) const;
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///
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InsetGraphicsParams params_;
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/// holds the entity name that defines the graphics location (SGML).
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string const graphic_label;
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/// The cached variables
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class Cache;
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friend class Cache;
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/// The pointer never changes although *cache_'s contents may.
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boost::scoped_ptr<Cache> const cache_;
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};
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#endif
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