lyx_mirror/src/cursor.h
André Pönitz 82fbc52bbb smallish InsetTabular code shifting
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8242 a592a061-630c-0410-9148-cb99ea01b6c8
2003-12-12 15:18:29 +00:00

97 lines
1.9 KiB
C++

// -*- C++ -*-
/**
* \file cursor.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author André Pönitz
*
* Full author contact details are available in file CREDITS.
*/
#ifndef CURSOR_H
#define CURSOR_H
#include "textcursor.h"
#include "support/types.h"
#include <iosfwd>
#include <vector>
class BufferView;
class UpdatableInset;
class DispatchResult;
class FuncRequest;
class LyXText;
class InsetTabular;
/**
* The cursor class describes the position of a cursor within a document.
*/
class CursorItem {
public:
///
CursorItem() : inset_(0), idx_(0), par_(0), pos_(0) {}
///
explicit CursorItem(UpdatableInset * inset)
: inset_(inset), idx_(0), par_(0), pos_(0)
{}
///
LyXText * text() const;
///
friend std::ostream & operator<<(std::ostream &, CursorItem const &);
public:
///
UpdatableInset * inset_;
///
int idx_;
///
int par_;
///
int pos_;
};
class LCursor {
public:
/// create 'empty' cursor
explicit LCursor(BufferView * bv);
/// dispatch from innermost inset upwards
DispatchResult dispatch(FuncRequest const & cmd);
///
void push(UpdatableInset * inset);
/// restrict cursor nesting to given size
void pop(int depth);
/// pop one level off the cursor
void pop();
///
UpdatableInset * innerInset() const;
///
UpdatableInset * innerInsetOfType(int code) const;
///
InsetTabular * innerInsetTabular() const;
///
LyXText * innerText() const;
/// returns x,y position
void getPos(int & x, int & y) const;
/// returns cursor dimension
void getDim(int & asc, int & desc) const;
/// cache the absolute coordinate from the top inset
void updatePos();
///
friend std::ostream & operator<<(std::ostream &, LCursor const &);
public:
/// mainly used as stack, but wee need random access
std::vector<CursorItem> data_;
///
BufferView * bv_;
private:
///
int cached_y_;
};
#endif // LYXCURSOR_H