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Datei: Fixrec.thy Sprache: C

Original von: Lyx^©

// -*- C++ -*-
/*
*  File:        math_cursor.h
*  Purpose:     Declaration of interaction classes for mathed
*  Author:      Alejandro Aguilar Sierra <[email protected]>
*  Created:     January 1996
*  Description: MathCursor control all user interaction
*
*  Dependencies: Xlib, XForms
*
*  Copyright: (c) 1996, Alejandro Aguilar Sierra
*
*   Version: 0.8beta, Mathed & 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 __MATH_CURSOR__
#define __MATH_CURSOR__

#ifdef __GNUG__
#pragma interface
#endif

#include "math_iter.h"
#include "math_inset.h"

/// This is the external interface of Mathed's subkernel
class MathedCursor {
public:
    ///
    MathedCursor(MathParInset *p);
    ///
    ~MathedCursor() { };
    ///
    void Insert(byte, MathedTextCodes t=LM_TC_MIN);
    ///
    void Insert(MathedInset*, int t=LM_TC_INSET);
    ///
    void Home();
    ///
    void End();
    ///
    bool Right(bool sel=false);
    ///
    bool Left(bool sel=false);
    ///
    bool Up(bool sel=false);
    ///
    bool Down(bool sel=false);
    ///
    bool Pop();
    ///
    bool Push();
    /// Pull out an argument from its container inset
    bool pullArg();
    ///
    void Draw(long unsigned pm, int x, int y);
    ///
    void Redraw();
    ///
    void Delete();
    ///
    void DelLine();
    ///
    void SetPos(int, int);
    ///
    void GetPos(int& x, int& y) { cursor->GetPos(x, y); }
    ///
    short GetFCode() { return cursor->FCode(); }
    ///
    MathParInset *GetPar() { return par; }
    ///
    MathParInset *getCurrentPar() const { return cursor->p; }
    ///
    void SetPar(MathParInset*);
    ///
    void Interpret(char const*);
    ///
    void SetSize(short);
    ///
    void setNumbered();
    void setLabel(char const*);
    ///
    bool Limits();
    /// Set accent: if argument=0 it's considered consumed
    void setAccent(int ac=0);
    /// Returns last accent
    int getAccent() const;
    ///
    bool IsEnd() const { return !cursor->OK(); }
    // Macro mode methods
    ///
    void MacroModeOpen();
    ///
    void MacroModeClose();
    ///
    bool InMacroMode() { return macro_mode; }

    // Local selection methods
    ///
    bool Selection() { return selection; }
    ///
    void SelCopy();
    ///
    void SelCut();
    ///
    void SelDel();
    ///
    void SelPaste();
    ///
    void SelStart();
    ///
    void SelClear();
    ///
    void SelBalance();
    ///
    XPoint *SelGetArea(int&);
    ///
    void clearLastCode() { lastcode = LM_TC_MIN; }
    ///
    void setLastCode(MathedTextCodes t) { lastcode = t; }
    ///
    MathedTextCodes getLastCode() const { return lastcode; }

protected:
    ///
    bool macro_mode;
    ///
    void MacroModeBack();
    ///
    void MacroModeInsert(char);

    // Selection stuff
    ///
    bool selection;
    ///
    int  selpos;
    ///
    MathedXIter cursel, *anchor;
    ///
//    LyxArrayBase *selarray;
    ///
    Bool is_visible;
    ///
    long unsigned win;
    ///
    MathParInset *par;
    ///
    MathedXIter *cursor;
    ///
    int xc, yc;
    ///
    void doAccent(byte c, MathedTextCodes t);
    ///
    void doAccent(MathedInset *p);
    ///
    int accent;
///
    int nestaccent[8];
///
    MathedTextCodes lastcode;

private:
///
    char macrobf[80];
///
    int macroln;
///
    MathFuncInset* imacro;
};

//--------------------   Inline Functions  -------------------------//

#endif

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