lyx_mirror/src/mathed/formulabase.h
André Pönitz 00e2f3f631 small internal stuff
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3497 a592a061-630c-0410-9148-cb99ea01b6c8
2002-02-07 08:19:47 +00:00

164 lines
4.1 KiB
C++

// -*- C++ -*-
/*
* File: formulabase.h
* Purpose: Common parts of the math LyX insets
* Author: André Pönitz
* Created: May 2001
* Description: Allows the edition of math paragraphs inside Lyx.
*
* Copyright: 2001, The LyX Project
*
* You are free to use and modify this code under the terms of
* the GNU General Public Licence version 2 or later.
*/
#ifndef INSET_FORMULABASE_H
#define INSET_FORMULABASE_H
#ifdef __GNUG__
#pragma interface
#endif
#include <iosfwd>
#include "insets/inset.h"
#include "lyxfont.h"
// only for getType():
#include "math_defs.h"
class Buffer;
class BufferView;
class MathAtom;
///
class InsetFormulaBase : public UpdatableInset {
public:
///
InsetFormulaBase();
///
virtual int ascent(BufferView *, LyXFont const &) const = 0;
///
virtual int descent(BufferView *, LyXFont const &) const = 0;
///
virtual int width(BufferView *, LyXFont const &) const = 0;
///
virtual void draw(BufferView *,LyXFont const &, int, float &, bool) const = 0;
///
virtual MathInsetTypes getType() const = 0;
/// lowest x coordinate
virtual int xlow() const;
/// highest x coordinate
virtual int xhigh() const;
/// lowest y coordinate
virtual int ylow() const;
/// highest y coordinate
virtual int yhigh() const;
public:
///
virtual void validate(LaTeXFeatures &) const;
///
virtual Inset * clone(Buffer const &, bool same_id = false) const = 0;
///
virtual Inset::Code lyxCode() const;
/// what appears in the minibuffer when opening
virtual string const editMessage() const;
///
virtual void edit(BufferView *, int x, int y, unsigned int button);
///
virtual void edit(BufferView *, bool front = true);
///
virtual void toggleInsetCursor(BufferView *);
///
virtual void showInsetCursor(BufferView *, bool show = true);
///
virtual void hideInsetCursor(BufferView *);
///
virtual void getCursorPos(BufferView *, int &, int &) const;
///
virtual void toggleInsetSelection(BufferView * bv);
///
virtual void insetButtonPress(BufferView *, int x, int y, int button);
///
virtual bool insetButtonRelease(BufferView *, int x, int y, int button);
///
virtual void insetKeyPress(XKeyEvent * ev);
///
virtual void insetMotionNotify(BufferView *, int x, int y, int state);
///
virtual void insetUnlock(BufferView *);
/// To allow transparent use of math editing functions
virtual RESULT localDispatch(BufferView *, kb_action, string const &);
///
virtual std::vector<string> const getLabelList() const;
///
virtual MathAtom const & par() const = 0;
///
virtual MathAtom & par() = 0;
///
virtual void updateLocal(BufferView * bv, bool mark_dirty);
///
BufferView * view() const { return view_; }
///
virtual bool searchForward(BufferView *, string const &,
bool = true, bool = false);
///
virtual bool searchBackward(BufferView *, string const &,
bool = true, bool = false);
///
virtual bool isTextInset() const { return true; }
///
virtual void mutateToText();
private:
/// unimplemented
void operator=(const InsetFormulaBase &);
/// common base for handling accents
void handleAccent(BufferView * bv, string const & arg, string const & name);
///
mutable BufferView * view_;
///
mutable LyXFont font_;
protected:
///
void metrics(BufferView * bv, LyXFont const & font) const;
///
void metrics(BufferView * bv = 0) const;
///
mutable int xo_;
///
mutable int yo_;
};
// We don't really mess want around with mathed stuff outside mathed.
// So do it here.
//
void mathDispatchCreation(BufferView *, string const &, bool);
//
void mathDispatchMathDisplay(BufferView *, string const &);
//
void mathDispatchMathMode(BufferView *, string const &);
//
void mathDispatchMathMacro(BufferView *, string const &);
//
void mathDispatchMathDelim(BufferView *, string const &);
//
void mathDispatchInsertMath(BufferView *, string const &);
//
void mathDispatchInsertMatrix(BufferView *, string const &);
//
void mathDispatchGreek(BufferView *, string const &);
//
void mathDispatchMathImportSelection(BufferView *, string const &);
//
void mathDispatch(BufferView *, kb_action, string const &);
#endif