// -*- C++ -*-
+/**
+ * \file math_gridinset.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 MATH_GRID_H
#define MATH_GRID_H
#include "math_nestinset.h"
-#include "vspace.h"
-#include "LString.h"
+#include "lyxlength.h"
-#ifdef __GNUG__
-#pragma interface
-#endif
/** Gridded math inset base class.
- This is the base to all grid-like editable math objects
- like array and eqnarray.
- \author André Pönitz 2001
-*/
-
+ * This is the base to all grid-like editable math objects
+ */
class MathGridInset : public MathNestInset {
+public:
+
+ /// additional per-cell information
+ struct CellInfo {
+ ///
+ CellInfo();
+ /// a dummy cell before a multicolumn cell
+ int dummy_;
+ /// special multi colums alignment
+ std::string align_;
+ /// these should be a per-cell property, but ok to have it here
+ /// for single-column grids like paragraphs
+ mutable int glue_;
+ ///
+ mutable pos_type begin_;
+ ///
+ mutable pos_type end_;
+ };
/// additional per-row information
struct RowInfo {
mutable int ascent_;
/// cached offset
mutable int offset_;
- /// hline abow this row?
- bool upperline_;
- /// hline below this row?
- bool lowerline_;
- /// distance
- LyXLength skip_;
+ /// how many hlines above this row?
+ int lines_;
+ /// parameter to the line break
+ LyXLength crskip_;
+ /// extra distance between lines
+ int skip_;
};
// additional per-row information
struct ColInfo {
- ///
+ ///
ColInfo();
/// currently possible: 'l', 'c', 'r'
char align_;
mutable int width_;
/// cached offset
mutable int offset_;
- /// do we need a line to the left?
+ /// do we need a line to the left?
bool leftline_;
/// do we need a line to the right?
bool rightline_;
+ /// how many lines to the left of this column?
+ int lines_;
/// additional amount to be skipped when drawing
int skip_;
};
-public:
+public:
+ /// sets nrows and ncols to 1
+ MathGridInset();
+ /// constructor from columns description, creates one row
+ MathGridInset(char valign, std::string const & halign);
/// Note: columns first!
MathGridInset(col_type m, row_type n);
///
- MathGridInset(int m, int n, char valign, string const & halign);
+ MathGridInset(col_type m, row_type n, char valign, std::string const & halign);
+ /// Ensures that the dialog is closed.
+ ~MathGridInset();
+ ///
+ void metrics(MetricsInfo & mi) const;
///
- void write(MathWriteInfo & os) const;
+ void metrics(MetricsInfo & mi, Dimension &) const;
///
- void writeNormal(std::ostream &) const;
+ void draw(PainterInfo & pi, int x, int y) const;
///
- void metrics(MathMetricsInfo const & st) const;
+ void metricsT(TextMetricsInfo const & mi, Dimension & dim) const;
///
- void draw(Painter &, int x, int y) const;
+ void drawT(TextPainter & pi, int x, int y) const;
///
- void halign(string const &);
+ void halign(std::string const & align);
///
void halign(char c, col_type col);
///
char halign(col_type col) const;
///
+ std::string halign() const;
+ ///
void valign(char c);
///
char valign() const;
///
- void vskip(LyXLength const &, row_type row);
+ void vcrskip(LyXLength const &, row_type row);
///
- LyXLength vskip(row_type row) const;
+ LyXLength vcrskip(row_type row) const;
///
void resize(short int type, col_type cols);
///
const RowInfo & rowinfo(row_type row) const;
- ///
+ /// returns topmost row if passed (-1)
RowInfo & rowinfo(row_type row);
- /// identifies GridInset
- virtual MathGridInset * asGridInset() { return this; }
-
///
- col_type ncols() const { return colinfo_.size(); }
+ const CellInfo & cellinfo(idx_type idx) const { return cellinfo_[idx]; }
///
- row_type nrows() const { return rowinfo_.size(); }
+ CellInfo & cellinfo(idx_type idx) { return cellinfo_[idx]; }
+ /// identifies GridInset
+ MathGridInset * asGridInset() { return this; }
+ /// identifies GridInset
+ MathGridInset const * asGridInset() const { return this; }
///
- col_type col(idx_type idx) const { return idx % ncols(); }
+ col_type ncols() const;
///
- row_type row(idx_type idx) const { return idx / ncols(); }
+ row_type nrows() const;
///
- int cellXOffset(idx_type idx) const;
+ col_type col(idx_type idx) const;
///
- int cellYOffset(idx_type idx) const;
+ row_type row(idx_type idx) const;
///
- bool idxUp(idx_type &, pos_type &) const;
+ bool idxUpDown(LCursor &, bool up) const;
///
- bool idxDown(idx_type &, pos_type &) const;
+ bool idxLeft(LCursor &) const;
///
- bool idxLeft(idx_type &, pos_type &) const;
+ bool idxRight(LCursor &) const;
///
- bool idxRight(idx_type &, pos_type &) const;
+ bool idxFirst(LCursor &) const;
///
- bool idxFirst(idx_type &, pos_type &) const;
+ bool idxLast(LCursor &) const;
///
- bool idxLast(idx_type &, pos_type &) const;
+ bool idxDelete(idx_type & idx);
+ /// pulls cell after pressing erase
+ void idxGlue(idx_type idx);
+
///
- bool idxHome(idx_type &, pos_type &) const;
+ virtual void addRow(row_type r);
///
- bool idxEnd(idx_type &, pos_type &) const;
+ virtual void delRow(row_type r);
///
- void idxDelete(idx_type &, bool &, bool &);
+ virtual void copyRow(row_type r);
///
- void idxDeleteRange(idx_type, idx_type);
-
+ virtual void swapRow(row_type r);
///
- void addRow(row_type);
+ virtual void addCol(col_type c);
///
- void delRow(row_type);
+ virtual void delCol(col_type c);
///
- void addCol(col_type);
+ virtual void copyCol(col_type c);
///
- void delCol(col_type);
+ virtual void swapCol(col_type c);
///
virtual void appendRow();
///
- idx_type index(row_type row, col_type col) const;
+ idx_type index(row_type r, col_type c) const;
///
- std::vector<idx_type> idxBetween(idx_type from, idx_type to) const;
+ bool idxBetween(idx_type idx, idx_type from, idx_type to) const;
///
- virtual int defaultColSpace(col_type) { return 10; }
+ virtual int defaultColSpace(col_type) { return 0; }
///
virtual char defaultColAlign(col_type) { return 'c'; }
///
void setDefaults();
+ ///
+ virtual int colsep() const;
+ ///
+ virtual int rowsep() const;
+ ///
+ virtual int hlinesep() const;
+ ///
+ virtual int vlinesep() const;
+ ///
+ virtual int border() const;
+
+ ///
+ void write(WriteStream & os) const;
+ ///
+ void normalize(NormalStream &) const;
+ ///
+ //void maple(MapleStream &) const;
+ ///
+ void mathmlize(MathMLStream &) const;
+ ///
+ //void octave(OctaveStream &) const;
+
protected:
+ virtual void doDispatch(LCursor & cur, FuncRequest & cmd);
+ ///
+ bool getStatus(LCursor & cur, FuncRequest const & cmd,
+ FuncStatus & flag) const;
+ /// returns x offset of cell compared to inset
+ int cellXOffset(idx_type idx) const;
+ /// returns y offset of cell compared to inset
+ int cellYOffset(idx_type idx) const;
/// returns proper 'end of line' code for LaTeX
- string eolString(row_type row) const;
+ virtual std::string eolString(row_type row, bool fragile = false) const;
/// returns proper 'end of column' code for LaTeX
- string eocString(col_type col) const;
+ virtual std::string eocString(col_type col, col_type lastcol) const;
+ /// extract number of columns from alignment string
+ col_type guessColumns(std::string const & halign) const;
+ /// splits cells and shifts right part to the next cell
+ void splitCell(LCursor & cur);
+public:
/// row info
std::vector<RowInfo> rowinfo_;
/// column info
std::vector<ColInfo> colinfo_;
- ///
+ /// cell info
+ std::vector<CellInfo> cellinfo_;
+ ///
char v_align_; // add approp. type
+private:
+ virtual std::auto_ptr<InsetBase> doClone() const;
};
#endif
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