// -*- C++ -*-
-/*
- * Purpose: A general purpose resizable array.
- * Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
- * Created: January 1996
- *
- * Dependencies: None (almost)
- *
- * Copyright: 1996, Alejandro Aguilar Sierra
- * 1997 The LyX Team!
- *
+/**
* You are free to use and modify this code under the terms of
* the GNU General Public Licence version 2 or later.
*/
+/** \class MathArray
+ \brief Low level container for math insets
+ * \author Alejandro Aguilar Sierra
+ * \author André Pönitz
+ * \author Lars Gullik Bjønnes
+ *
+ * Full author contact details are available in file CREDITS
+ \version February 2001
+ */
+
#ifndef MATH_DATA_H
#define MATH_DATA_H
#include <vector>
#include "math_atom.h"
+#include "dimension.h"
class MathMacro;
class LaTeXFeatures;
class ReplaceData;
+class MathMetricsInfo;
+class MathPainterInfo;
+class TextMetricsInfo;
+class TextPainter;
-#ifdef __GNUG__
-#pragma interface
-#endif
-
-/** \class MathArray
- \brief Low level container for math insets
-
- \author Alejandro Aguilar Sierra
- \author André Pönitz
- \author Lars Gullik Bjønnes
- \version February 2001
- */
-class MathArray {
+class MathArray : private std::vector<MathAtom> {
public:
- ///
- typedef std::vector<MathAtom> buffer_type;
- ///
- typedef buffer_type::const_iterator const_iterator;
- ///
- typedef buffer_type::iterator iterator;
- ///
- typedef buffer_type::size_type size_type;
- ///
- typedef buffer_type::size_type idx_type;
- ///
- typedef buffer_type::size_type pos_type;
+ /// re-use inhertited stuff
+ typedef std::vector<MathAtom> base_type;
+ using base_type::const_iterator;
+ using base_type::iterator;
+ using base_type::size_type;
+ using base_type::difference_type;
+ using base_type::size;
+ using base_type::empty;
+ using base_type::clear;
+ using base_type::begin;
+ using base_type::end;
+ using base_type::push_back;
+ using base_type::pop_back;
+ using base_type::back;
+ using base_type::front;
+ using base_type::swap;
+ ///
+ typedef size_type idx_type;
+ typedef size_type pos_type;
public:
///
MathArray();
///
- MathArray(MathArray const &, size_type from, size_type to);
+ MathArray(const_iterator from, const_iterator to);
///
- MathArray(iterator from, iterator to);
+ void append(MathArray const & ar);
- ///
- size_type size() const;
- ///
- bool empty() const;
- ///
- void clear();
- ///
- void swap(MathArray &);
-
- ///
- void insert(size_type pos, MathAtom const &);
- ///
- void insert(size_type pos, MathArray const &);
+ /// inserts single atom at position pos
+ void insert(size_type pos, MathAtom const & at);
+ /// inserts multiple atoms at position pos
+ void insert(size_type pos, MathArray const & ar);
- ///
+ /// erase range from pos1 to pos2
void erase(iterator pos1, iterator pos2);
- ///
+ /// erase single atom
void erase(iterator pos);
- ///
+ /// erase range from pos1 to pos2
void erase(size_type pos1, size_type pos2);
- ///
+ /// erase single atom
void erase(size_type pos);
- ///
- void erase();
-
- ///
- void push_back(MathAtom const &);
- ///
- void push_back(MathArray const &);
- ///
- void pop_back();
- ///
- MathAtom & back();
-
- ///
- MathAtom & front();
- ///
- MathAtom const & front() const;
///
void dump() const;
///
void dump2() const;
///
- void substitute(MathMacro const &);
- ///
- bool match(MathArray const &) const;
+ void substitute(MathMacro const & macro);
///
void replace(ReplaceData &);
+ /// looks for exact match
+ bool match(MathArray const & ar) const;
+ /// looks for inclusion match starting at pos
+ bool matchpart(MathArray const & ar, pos_type pos) const;
+ /// looks for containment, return == size mean not found
+ size_type find(MathArray const & ar) const;
+ /// looks for containment, return == size mean not found
+ size_type find_last(MathArray const & ar) const;
///
- MathAtom & at(size_type pos);
- ///
- MathAtom const & at(size_type pos) const;
+ bool contains(MathArray const & ar) const;
///
void validate(LaTeXFeatures &) const;
- ///
- const_iterator begin() const;
- ///
- const_iterator end() const;
- ///
- iterator begin();
- ///
- iterator end();
+
+ /// checked write access
+ MathAtom & operator[](pos_type);
+ /// checked read access
+ MathAtom const & operator[](pos_type) const;
+ /// rebuild cached metrics information
+ Dimension const & metrics(MathMetricsInfo & mi) const;
+ /// redraw cell using cache metrics information
+ void draw(MathPainterInfo & pi, int x, int y) const;
+ /// rebuild cached metrics information
+ Dimension const & metricsT(TextMetricsInfo const & mi) const;
+ /// redraw cell using cache metrics information
+ void drawT(TextPainter & pi, int x, int y) const;
+ /// mark cell for re-drawing
+ void touch() const;
+
+ /// access to cached x coordinate of last drawing
+ int xo() const { return xo_; }
+ /// access to cached y coordinate of last drawing
+ int yo() const { return yo_; }
+ /// access to cached x coordinate of mid point of last drawing
+ int xm() const { return xo_ + dim_.w / 2; }
+ /// access to cached y coordinate of mid point of last drawing
+ int ym() const { return yo_ + (dim_.d - dim_.a) / 2; }
+ /// write access to coordinate;
+ void setXY(int x, int y) const;
+ /// returns x coordinate of given position in the array
+ int pos2x(size_type pos) const;
+ /// returns position of given x coordinate
+ int pos2x(size_type pos1, size_type pos2, int glue) const;
+ /// returns position of given x coordinate
+ size_type x2pos(int pos) const;
+ /// returns position of given x coordinate fstarting from a certain pos
+ size_type x2pos(size_type startpos, int targetx, int glue) const;
+ /// returns distance of this cell to the point given by x and y
+ // assumes valid position and size cache
+ int dist(int x, int y) const;
+
+ /// ascent of this cell above the baseline
+ int ascent() const { return dim_.a; }
+ /// descent of this cell below the baseline
+ int descent() const { return dim_.d; }
+ /// height of the cell
+ int height() const { return dim_.a + dim_.d; }
+ /// width of this cell
+ int width() const { return dim_.w; }
+ /// dimensions of cell
+ Dimension const & dim() const { return dim_; }
+ /// dimensions of cell
+ void setDim(Dimension const & d) const { dim_ = d; }
+ /// bounding box of this cell
+ void boundingBox(int & xlow, int & xhigh, int & ylow, int & yhigh);
+ /// gives center coordinates
+ void center(int & x, int & y) const;
+ /// adjust (x,y) to point on boundary on a straight line from the center
+ void towards(int & x, int & y) const;
+ /// clean up if necessary
+ void notifyCursorLeaves();
private:
- /// Buffer
- buffer_type bf_;
+ /// is this an exact match at this position?
+ bool find1(MathArray const & ar, size_type pos) const;
+
+ /// cached dimensions of cell
+ mutable Dimension dim_;
+ /// cached x coordinate of last drawing
+ mutable int xo_;
+ /// cached y coordinate of last drawing
+ mutable int yo_;
+ /// cached cleaness of cell
+ mutable bool clean_;
+ /// cached draw status of cell
+ mutable bool drawn_;
};
///
projects / lyx.git / blobdiff