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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4958 a592a061-630c-0410-9148-cb99ea01b6c8
172 lines
4.5 KiB
C++
172 lines
4.5 KiB
C++
// -*- C++ -*-
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/*
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* File: formulabase.h
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* Purpose: Common parts of the math LyX insets
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* Author: André Pönitz
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* Created: May 2001
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* Description: Allows the edition of math paragraphs inside Lyx.
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*
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* Copyright: 2001, The LyX Project
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*
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* You are free to use and modify this code under the terms of
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* the GNU General Public Licence version 2 or later.
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*/
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#ifndef INSET_FORMULABASE_H
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#define INSET_FORMULABASE_H
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include "insets/inset.h"
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#include "frontends/mouse_state.h"
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#include "lyxfont.h"
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#include <boost/weak_ptr.hpp>
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#include <iosfwd>
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class Buffer;
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class BufferView;
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class MathAtom;
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/// An abstract base class for all math related LyX insets
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class InsetFormulaBase : public UpdatableInset {
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public:
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///
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InsetFormulaBase();
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///
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virtual int ascent(BufferView *, LyXFont const &) const = 0;
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///
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virtual int descent(BufferView *, LyXFont const &) const = 0;
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///
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virtual int width(BufferView *, LyXFont const &) const = 0;
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///
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virtual void draw(BufferView *,LyXFont const &, int, float &, bool) const = 0;
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///
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virtual string hullType() const { return "none"; }
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/// lowest x coordinate
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virtual int xlow() const;
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/// highest x coordinate
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virtual int xhigh() const;
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/// lowest y coordinate
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virtual int ylow() const;
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/// highest y coordinate
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virtual int yhigh() const;
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public:
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///
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virtual void validate(LaTeXFeatures &) const;
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///
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virtual Inset * clone(Buffer const &, bool same_id = false) const = 0;
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///
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virtual Inset::Code lyxCode() const;
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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 void edit(BufferView *, int x, int y, mouse_button::state button);
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///
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virtual void edit(BufferView *, bool front = true);
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///
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virtual void toggleInsetCursor(BufferView *);
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///
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virtual void showInsetCursor(BufferView *, bool show = true);
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///
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virtual void hideInsetCursor(BufferView *);
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///
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virtual void fitInsetCursor(BufferView *) const;
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///
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virtual void getCursorPos(BufferView *, int &, int &) const;
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///
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virtual void toggleInsetSelection(BufferView * bv);
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///
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virtual void insetButtonPress(BufferView *, int x, int y, mouse_button::state button);
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///
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virtual bool insetButtonRelease(BufferView *, int x, int y, mouse_button::state button);
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///
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virtual void insetMotionNotify(BufferView *, int x, int y, mouse_button::state state);
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///
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virtual void insetUnlock(BufferView *);
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/// To allow transparent use of math editing functions
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virtual RESULT localDispatch(FuncRequest const &);
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///
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virtual std::vector<string> const getLabelList() const;
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///
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virtual MathAtom const & par() const = 0;
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///
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virtual MathAtom & par() = 0;
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///
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virtual void updateLocal(BufferView * bv, bool mark_dirty);
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///
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BufferView * view() const { return view_.get(); }
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///
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virtual bool searchForward(BufferView *, string const &,
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bool = true, bool = false);
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///
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virtual bool searchBackward(BufferView *, string const &,
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bool = true, bool = false);
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///
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virtual bool isTextInset() const { return true; }
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///
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virtual void mutateToText();
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///
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virtual void revealCodes(BufferView *) const;
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///
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virtual Inset::EDITABLE editable() const { return HIGHLY_EDITABLE; }
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private:
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/// unimplemented
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void operator=(const InsetFormulaBase &);
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/// common base for handling accents
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void handleAccent(BufferView * bv, string const & arg, string const & name);
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protected:
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///
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mutable boost::weak_ptr<BufferView> view_;
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///
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mutable LyXFont font_;
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protected:
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///
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void metrics(BufferView * bv, LyXFont const & font) const;
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///
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void metrics(BufferView * bv = 0) const;
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///
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void handleFont(BufferView * bv, string const & arg, string const & font);
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///
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mutable int xo_;
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///
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mutable int yo_;
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};
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// We don't really mess want around with mathed stuff outside mathed.
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// So do it here.
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//
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void mathDispatchCreation(BufferView *, string const &, bool);
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//
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void mathDispatchMathDisplay(BufferView *, string const &);
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//
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void mathDispatchMathMode(BufferView *, string const &);
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//
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void mathDispatchMathMacro(BufferView *, string const &);
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//
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void mathDispatchMathDelim(BufferView *, string const &);
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//
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void mathDispatchInsertMath(BufferView *, string const &);
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//
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void mathDispatchInsertMatrix(BufferView *, string const &);
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//
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void mathDispatchGreek(BufferView *, string const &);
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//
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void mathDispatchMathImportSelection(BufferView *, string const &);
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//
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void mathDispatch(BufferView *, FuncRequest const &);
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//
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void mathDispatch(BufferView *, string const &);
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#endif
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