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e412a2a53e
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7100 a592a061-630c-0410-9148-cb99ea01b6c8
388 lines
8.9 KiB
C++
388 lines
8.9 KiB
C++
// -*- C++ -*-
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/**
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* \file inset.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 Alejandro Aguilar Sierra
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* \author Jürgen Vigna
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* \author Lars Gullik Bjønnes
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* \author Matthias Ettrich
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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_H
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#define INSET_H
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#include "LString.h"
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#include "LColor.h"
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#include "insetbase.h"
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#include "support/types.h"
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#include <vector>
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class LyXFont;
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class Buffer;
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class Painter;
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class LatexRunParams;
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class LyXText;
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class LyXLex;
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class Paragraph;
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class LyXCursor;
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class FuncRequest;
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class WordLangTuple;
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class ParagraphList;
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class UpdatableInset;
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namespace grfx {
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class PreviewLoader;
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}
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/// Insets
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class Inset : public InsetBase {
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public:
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/** This is not quite the correct place for this enum. I think
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the correct would be to let each subclass of Inset declare
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its own enum code. Actually the notion of an Inset::Code
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should be avoided, but I am not sure how this could be done
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in a cleaner way. */
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enum Code {
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///
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NO_CODE,
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///
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TOC_CODE, // do these insets really need a code? (ale)
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///
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QUOTE_CODE,
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///
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MARK_CODE,
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///
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REF_CODE, // 5
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///
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URL_CODE,
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///
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HTMLURL_CODE,
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///
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SEPARATOR_CODE,
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///
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ENDING_CODE,
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///
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LABEL_CODE, // 10
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///
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NOTE_CODE,
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///
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ACCENT_CODE,
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///
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MATH_CODE,
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///
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INDEX_CODE,
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///
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INCLUDE_CODE, // 15
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///
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GRAPHICS_CODE,
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///
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BIBITEM_CODE,
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///
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BIBTEX_CODE,
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///
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TEXT_CODE,
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///
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ERT_CODE, // 20
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///
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FOOT_CODE,
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///
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MARGIN_CODE,
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///
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FLOAT_CODE,
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///
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WRAP_CODE,
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///
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MINIPAGE_CODE,
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///
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SPACE_CODE,
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///
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SPECIALCHAR_CODE, // 25
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///
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TABULAR_CODE,
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///
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EXTERNAL_CODE,
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#if 0
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///
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THEOREM_CODE,
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#endif
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///
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CAPTION_CODE,
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///
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MATHMACRO_CODE, // 30
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///
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ERROR_CODE,
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///
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CITE_CODE,
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///
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FLOAT_LIST_CODE,
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///
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INDEX_PRINT_CODE,
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///
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OPTARG_CODE,
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///
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ENVIRONMENT_CODE,
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///
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HFILL_CODE,
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///
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NEWLINE_CODE
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};
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///
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enum {
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///
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TEXT_TO_INSET_OFFSET = 2
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};
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///
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enum EDITABLE {
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///
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NOT_EDITABLE = 0,
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///
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IS_EDITABLE,
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///
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HIGHLY_EDITABLE
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};
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///
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typedef dispatch_result RESULT;
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///
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Inset();
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///
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Inset(Inset const & in);
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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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/// update the inset representation
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virtual void update(BufferView *, bool = false)
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{}
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/// what appears in the minibuffer when opening
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virtual string const editMessage() const;
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///
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virtual EDITABLE editable() const;
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///
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virtual bool isTextInset() const { return false; }
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/// return true if the inset should be removed automatically
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virtual bool autoDelete() const;
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/// returns true the inset can hold an inset of given type
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virtual bool insetAllowed(Inset::Code) const { return false; }
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/// wrapper around the above
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bool insetAllowed(Inset * in) const;
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///
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virtual void write(Buffer const *, std::ostream &) const = 0;
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///
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virtual void read(Buffer const *, LyXLex & lex) = 0;
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/// returns the number of rows (\n's) of generated tex code.
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virtual int latex(Buffer const *, std::ostream &,
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LatexRunParams const &) const = 0;
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///
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virtual int ascii(Buffer const *,
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std::ostream &, int linelen = 0) const = 0;
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///
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virtual int linuxdoc(Buffer const *, std::ostream &) const = 0;
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///
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virtual int docbook(Buffer const *, std::ostream &, bool) const = 0;
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/// returns LyX code associated with the inset. Used for TOC, ...)
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virtual Inset::Code lyxCode() const { return NO_CODE; }
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virtual std::vector<string> const getLabelList() const {
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return std::vector<string>();
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}
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///
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virtual Inset * clone() const = 0;
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/// returns true to override begin and end inset in file
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virtual bool directWrite() const;
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/// Returns true if the inset should be centered alone
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virtual bool display() const { return false; }
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/// Changes the display state of the inset
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virtual void display(bool) {}
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///
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/// returns true if this inset needs a row on it's own
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///
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virtual bool needFullRow() const { return false; }
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///
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void setInsetName(string const & s) { name_ = s; }
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///
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string const & getInsetName() const { return name_; }
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///
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void setOwner(UpdatableInset * inset) { owner_ = inset; }
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///
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UpdatableInset * owner() const { return owner_; }
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///
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void parOwner(Paragraph * par) { par_owner_ = par; }
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///
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Paragraph * parOwner() const { return par_owner_; }
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///
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void setBackgroundColor(LColor::color);
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///
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LColor::color backgroundColor() const;
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///
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int x() const { return top_x; }
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///
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int y() const { return top_baseline; }
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//
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// because we could have fake text insets and have to call this
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// inside them without cast!!!
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///
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virtual LyXText * getLyXText(BufferView const *,
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bool const recursive = false) const;
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///
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virtual void deleteLyXText(BufferView *, bool = true) const {}
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///
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virtual void resizeLyXText(BufferView *, bool /*force*/= false) const {}
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/// returns the actuall scroll-value
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virtual int scroll(bool recursive=true) const {
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if (!recursive || !owner_)
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return scx;
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return 0;
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}
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/// try to get a inset pointer from it's id if we have
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/// an inset to give back!
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virtual Inset * getInsetFromID(int /*id*/) const { return 0; }
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/// if this insets owns paragraphs (f.ex. InsetText) then it
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/// should return it's very first one!
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virtual ParagraphList * getParagraphs(int /*num*/) const { return 0; }
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///
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virtual bool haveParagraphs() const {
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return false;
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}
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/// return the cursor if we own one otherwise giv'em just the
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/// BufferView cursor to work with.
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virtual LyXCursor const & cursor(BufferView * bview) const;
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/// id functions
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int id() const;
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///
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void id(int id_arg);
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/// used to toggle insets
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// is the inset open?
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virtual bool isOpen() const { return false; }
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/// open the inset
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virtual void open(BufferView *) {}
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/// close the inset
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virtual void close(BufferView *) const {}
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/// check if the font of the char we want inserting is correct
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/// and modify it if it is not.
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virtual bool checkInsertChar(LyXFont &);
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/// we need this here because collapsed insets are only EDITABLE
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virtual void setFont(BufferView *, LyXFont const &,
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bool toggleall = false, bool selectall = false);
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///
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// needed for spellchecking text
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///
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virtual bool allowSpellcheck() const { return false; }
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// should this inset be handled like a normal charater
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virtual bool isChar() const { return false; }
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// is this equivalent to a letter?
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virtual bool isLetter() const { return false; }
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// is this equivalent to a space (which is BTW different from
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// a line separator)?
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virtual bool isSpace() const { return false; }
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// should we break lines after this inset?
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virtual bool isLineSeparator() const { return false; }
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// if this inset has paragraphs should they be output all as default
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// paragraphs with "Standard" layout?
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virtual bool forceDefaultParagraphs(Inset const *) const;
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/** returns true if, when outputing LaTeX, font changes should
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be closed before generating this inset. This is needed for
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insets that may contain several paragraphs */
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virtual bool noFontChange() const { return false; }
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//
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virtual void getDrawFont(LyXFont &) const {}
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/* needed for widths which are % of something
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returns the value of \textwidth in this inset. Most of the
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time this is the width of the workarea, but if there is a
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minipage somewhere, it will be the width of this minipage */
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virtual int latexTextWidth(BufferView *) const;
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/// mark the inset contents as erased (for change tracking)
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virtual void markErased() {}
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/** Adds a LaTeX snippet to the Preview Loader for transformation
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* into a bitmap image. Does not start the laoding process.
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*
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* Most insets have no interest in this capability, so the method
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* defaults to empty.
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*/
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virtual void addPreview(grfx::PreviewLoader &) const {}
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/** Find the PreviewLoader, add a LaTeX snippet to it and
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* start the loading process.
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*
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* Most insets have no interest in this capability, so the method
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* defaults to empty.
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*/
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virtual void generatePreview() const {}
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protected:
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///
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mutable int top_x;
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///
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mutable int top_baseline;
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///
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mutable int scx;
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///
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unsigned int id_;
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///
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static unsigned int inset_id;
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private:
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///
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UpdatableInset * owner_;
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/// the paragraph in which this inset has been inserted
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Paragraph * par_owner_;
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///
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string name_;
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///
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LColor::color background_color_;
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};
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inline
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bool Inset::insetAllowed(Inset * in) const
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{
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return insetAllowed(in->lyxCode());
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}
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inline
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bool Inset::checkInsertChar(LyXFont &)
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{
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return false;
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}
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/**
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* returns true if pointer argument is valid
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* and points to an editable inset
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*/
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inline bool isEditableInset(Inset const * i)
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{
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return i && i->editable();
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}
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/**
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* returns true if pointer argument is valid
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* and points to a highly editable inset
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*/
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inline bool isHighlyEditableInset(Inset const * i)
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{
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return i && i->editable() == Inset::HIGHLY_EDITABLE;
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}
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#endif
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