2001-06-25 00:06:33 +00:00
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// -*- C++ -*-
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#ifndef MATH_GRID_H
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#define MATH_GRID_H
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#include "math_inset.h"
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#ifdef __GNUG__
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#pragma interface
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#endif
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/** Gridded math inset base class.
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This is the base to all grid-like editable math objects
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like array and eqnarray.
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\author Andr<EFBFBD> P<EFBFBD>nitz 2001
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*/
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class MathGridInset : public MathInset {
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/// additional per-row information
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struct RowInfo {
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///
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RowInfo();
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///
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int descent_;
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///
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int ascent_;
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///
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int offset_;
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///
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bool upperline_;
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///
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bool lowerline_;
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};
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// additional per-row information
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struct ColInfo {
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///
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ColInfo();
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///
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char h_align_;
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/// cache for drawing
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int h_offset;
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///
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int width_;
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///
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int offset_;
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///
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bool leftline_;
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///
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bool rightline_;
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};
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public:
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///
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2001-06-27 14:10:35 +00:00
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MathGridInset(int m, int n, string const & nm, MathInsetTypes ot);
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2001-06-25 00:06:33 +00:00
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///
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2001-06-28 10:25:20 +00:00
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virtual MathInset * clone() const = 0;
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2001-06-25 00:06:33 +00:00
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///
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void Write(std::ostream &, bool fragile) const;
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///
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2001-07-12 07:18:29 +00:00
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void Metrics(MathStyles st, int asc = 0, int des = 0);
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2001-06-25 00:06:33 +00:00
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///
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void draw(Painter &, int, int);
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///
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void halign(string const &);
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///
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void halign(char c, int col);
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///
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2001-06-27 14:10:35 +00:00
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char halign(int col) const;
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///
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2001-06-25 00:06:33 +00:00
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void valign(char c);
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///
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2001-06-27 14:10:35 +00:00
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char valign() const;
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///
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2001-06-25 00:06:33 +00:00
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void resize(short int type, int cols);
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///
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const RowInfo & rowinfo(int row) const;
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///
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RowInfo & rowinfo(int row);
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///
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int ncols() const { return colinfo_.size(); }
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///
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int nrows() const { return rowinfo_.size(); }
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///
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int col(int idx) const { return idx % ncols(); }
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///
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int row(int idx) const { return idx / ncols(); }
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///
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bool idxUp(int &, int &) const;
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///
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bool idxDown(int &, int &) const;
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///
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bool idxLeft(int &, int &) const;
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///
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bool idxRight(int &, int &) const;
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///
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bool idxFirst(int &, int &) const;
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///
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bool idxLast(int &, int &) const;
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2001-07-09 16:59:57 +00:00
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///
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void idxDelete(int &, bool &, bool &);
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2001-06-25 00:06:33 +00:00
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///
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void addRow(int);
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///
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void delRow(int);
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///
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void addCol(int);
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///
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void delCol(int);
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///
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virtual void appendRow();
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///
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int index(int row, int col) const;
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2001-07-06 12:09:32 +00:00
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protected:
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2001-06-25 00:06:33 +00:00
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/// row info
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std::vector<RowInfo> rowinfo_;
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/// column info
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std::vector<ColInfo> colinfo_;
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///
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char v_align_; // add approp. type
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};
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#endif
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