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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2141 a592a061-630c-0410-9148-cb99ea01b6c8
238 lines
4.0 KiB
C++
238 lines
4.0 KiB
C++
// -*- C++ -*-
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/*
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* File: math_cursor.h
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* Purpose: Declaration of interaction classes for mathed
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* Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
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* Created: January 1996
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* Description: MathCursor control all user interaction
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*
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* Dependencies: Xlib, XForms
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*
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* Copyright: 1996, Alejandro Aguilar Sierra
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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 MATH_CURSOR
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#define MATH_CURSOR
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include "math_defs.h"
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class MathInset;
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class MathFuncInset;
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class MathScriptInset;
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class InsetFormulaBase;
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class MathArray;
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class MathXArray;
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/// This is the external interface of Math's subkernel
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class MathCursor {
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public:
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///
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explicit MathCursor(InsetFormulaBase *);
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///
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void insert(char, MathTextCodes t = LM_TC_MIN);
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///
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void insert(MathInset *);
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///
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void Home();
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///
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void End();
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///
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bool Right(bool sel = false);
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///
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bool Left(bool sel = false);
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///
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bool Up(bool sel = false);
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///
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bool Down(bool sel = false);
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/// Put the cursor in the first position
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void first();
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/// Put the cursor in the last position
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void last();
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///
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void Delete();
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///
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void DelLine();
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/// This is in pixels from (maybe?) the top of inset
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void SetPos(int, int);
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///
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void GetPos(int & x, int & y);
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///
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MathInset * par() const;
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/// return the next enclosing par of the given type and the cursor's
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//index in it
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MathInset * enclosing(MathInsetTypes, int &) const;
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///
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InsetFormulaBase const * formula();
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///
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int pos() const;
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///
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void Interpret(string const &);
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///
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void SetSize(MathStyles);
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///
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bool toggleLimits();
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/// Set accent: if argument = 0 it's considered consumed
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void setAccent(int ac = 0);
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/// Returns last accent
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int getAccent() const;
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///
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// Macro mode methods
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void MacroModeOpen();
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///
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void MacroModeClose();
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///
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bool InMacroMode() const;
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// Local selection methods
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///
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bool Selection() const;
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///
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void SelCopy();
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///
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void SelCut();
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///
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void SelDel();
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///
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void SelPaste();
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///
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void SelHandle(bool);
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///
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void SelStart();
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///
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void SelClear();
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///
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void SelGetArea(int * xp, int * yp, int & n);
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///
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void clearLastCode();
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///
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void setLastCode(MathTextCodes t);
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///
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void toggleLastCode(MathTextCodes t);
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///
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MathTextCodes getLastCode() const;
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///
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int idx() const { return idx_; }
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///
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void idxRight();
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///
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void pullArg();
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///
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bool isInside(MathInset *) const;
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///
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MathTextCodes nextCode() const;
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///
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MathTextCodes prevCode() const;
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///
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void selArray(MathArray &) const;
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//protected:
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///
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bool macro_mode;
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// Selection stuff
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///
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bool selection;
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///
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int anchor_;
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///
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int cursor_;
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///
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int idx_;
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///
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MathInset * par_;
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///
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InsetFormulaBase * const formula_;
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///
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void doAccent(char c, MathTextCodes t);
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///
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void doAccent(MathInset * p);
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///
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int accent;
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///
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int nestaccent[8];
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///
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MathTextCodes lastcode;
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///
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MathArray & array() const;
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///
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MathXArray & xarray() const;
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///
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MathStyles style() const;
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///
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void normalize() const;
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private:
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/// Description of a position
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struct MathIter {
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MathInset * par_;
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int idx_;
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int cursor_;
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};
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/// MathPath
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std::vector<MathIter> path_;
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///
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void push(MathInset * par, bool first);
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///
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void pop();
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///
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int last() const;
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///
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MathInset * parInset(int i) const;
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///
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void seldump(char const * str) const;
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///
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void dump(char const * str) const;
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///
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int xpos() const;
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///
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void gotoX(int x);
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///
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bool nextIsInset() const;
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///
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bool nextIsActive() const;
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///
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bool prevIsInset() const;
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///
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bool prevIsActive() const;
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///
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bool IsFont() const;
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///
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bool IsScript() const;
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///
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void merge(MathArray const & arr);
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///
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MathInset * nextInset() const;
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///
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MathInset * nextActiveInset() const;
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///
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MathInset * prevInset() const;
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///
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MathInset * prevActiveInset() const;
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///
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MathScriptInset * prevScriptInset() const;
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///
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int col() const;
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///
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int row() const;
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///
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MathFuncInset * imacro;
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};
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extern MathCursor * mathcursor;
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#endif
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