lyx_mirror/src/mathed/math_cursor.h

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// -*- C++ -*-
/*
* File: math_cursor.h
* Purpose: Declaration of interaction classes for mathed
* Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
* Created: January 1996
* Description: MathCursor control all user interaction
*
* Dependencies: Xlib, XForms
*
* Copyright: 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:
///
explicit
MathedCursor(MathParInset * p);
///
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(Painter &, int x, int y);
///
void Redraw(Painter &);
///
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(string const &);
///
void SetSize(short);
///
void setNumbered();
///
void setLabel(string 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();
///
void SelGetArea(int ** xp, int ** yp, int & n);
///
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:
///
MathFuncInset * imacro;
};
//-------------------- Inline Functions -------------------------//
#endif