// -*- 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_inset.h"
+#include "math_nestinset.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:
-class MathGridInset : public MathInset {
+ /// 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 {
///
RowInfo();
///
- int descent_;
- ///
- int ascent_;
- ///
- int offset_;
- ///
- bool upperline_;
- ///
- bool lowerline_;
+ int skipPixels() const;
+ /// cached descent
+ mutable int descent_;
+ /// cached ascent
+ mutable int ascent_;
+ /// cached offset
+ mutable int offset_;
+ /// 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();
///
- char h_align_;
+ ColInfo();
+ /// currently possible: 'l', 'c', 'r'
+ char align_;
/// cache for drawing
int h_offset;
- ///
- int width_;
- ///
- int offset_;
- ///
+ /// cached width
+ mutable int width_;
+ /// cached offset
+ mutable int offset_;
+ /// 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(col_type m, row_type n, char valign, std::string const & halign);
+ /// Ensures that the dialog is closed.
+ ~MathGridInset();
///
- MathGridInset(int m, int n, string const & nm, MathInsetTypes ot);
+ void metrics(MetricsInfo & mi) const;
///
- virtual MathInset * clone() const = 0;
+ void metrics(MetricsInfo & mi, Dimension &) const;
///
- void write(std::ostream &, bool fragile) const;
+ void draw(PainterInfo & pi, int x, int y) const;
///
- void metrics(MathStyles st);
+ void metricsT(TextMetricsInfo const & mi, Dimension & dim) const;
///
- void draw(Painter &, int, int);
+ void drawT(TextPainter & pi, int x, int y) const;
///
- void halign(string const &);
+ void halign(std::string const & align);
///
- void halign(char c, int col);
+ void halign(char c, col_type col);
///
- char halign(int col) const;
+ char halign(col_type col) const;
+ ///
+ std::string halign() const;
///
void valign(char c);
///
char valign() const;
///
- void resize(short int type, int cols);
+ void vcrskip(LyXLength const &, row_type row);
///
- const RowInfo & rowinfo(int row) const;
+ LyXLength vcrskip(row_type row) const;
///
- RowInfo & rowinfo(int row);
-
+ 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);
+ ///
+ const CellInfo & cellinfo(idx_type idx) const { return cellinfo_[idx]; }
+ ///
+ CellInfo & cellinfo(idx_type idx) { return cellinfo_[idx]; }
+ /// identifies GridInset
+ MathGridInset * asGridInset() { return this; }
+ /// identifies GridInset
+ MathGridInset const * asGridInset() const { return this; }
///
- int ncols() const { return colinfo_.size(); }
+ col_type ncols() const;
///
- int nrows() const { return rowinfo_.size(); }
+ row_type nrows() const;
///
- int col(int idx) const { return idx % ncols(); }
+ col_type col(idx_type idx) const;
///
- int row(int idx) const { return idx / ncols(); }
+ row_type row(idx_type idx) const;
///
- bool idxUp(int &, int &) const;
+ bool idxUpDown(LCursor &, bool up) const;
///
- bool idxDown(int &, int &) const;
+ bool idxLeft(LCursor &) const;
///
- bool idxLeft(int &, int &) const;
+ bool idxRight(LCursor &) const;
///
- bool idxRight(int &, int &) const;
+ bool idxFirst(LCursor &) const;
///
- bool idxFirst(int &, int &) const;
+ bool idxLast(LCursor &) const;
///
- bool idxLast(int &, int &) const;
+ bool idxDelete(idx_type & idx);
+ /// pulls cell after pressing erase
+ void idxGlue(idx_type idx);
+
+ ///
+ virtual void addRow(row_type r);
+ ///
+ virtual void delRow(row_type r);
///
- void idxDelete(int &, bool &, bool &);
+ virtual void copyRow(row_type r);
///
- void idxDeleteRange(int, int);
-
+ virtual void swapRow(row_type r);
///
- void addRow(int);
+ virtual void addCol(col_type c);
///
- void delRow(int);
+ virtual void delCol(col_type c);
///
- void addCol(int);
+ virtual void copyCol(col_type c);
///
- void delCol(int);
+ virtual void swapCol(col_type c);
///
virtual void appendRow();
///
- int index(int row, int col) const;
+ idx_type index(row_type r, col_type c) const;
+ ///
+ bool idxBetween(idx_type idx, idx_type from, idx_type to) const;
+ ///
+ virtual int defaultColSpace(col_type) { return 0; }
+ ///
+ virtual char defaultColAlign(col_type) { return 'c'; }
+ ///
+ void setDefaults();
+
+ ///
+ virtual int colsep() const;
+ ///
+ virtual int rowsep() const;
///
- std::vector<int> idxBetween(int from, int to) 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
+ virtual std::string eolString(row_type row, bool fragile = false) const;
+ /// returns proper 'end of column' code for LaTeX
+ 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
projects / lyx.git / blobdiff