X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2Fmath_gridinset.h;h=7b0b329552cf40efaeb3b22545c92c69f01e50be;hb=183239b7def8ca0e51432f2d88891d4b9f055953;hp=101d506fc3cf8618f4e37afa20ea31b01e75ee06;hpb=c9c3b9b447c3f99a059730e7e4a6caf95496221a;p=lyx.git diff --git a/src/mathed/math_gridinset.h b/src/mathed/math_gridinset.h index 101d506fc3..7b0b329552 100644 --- a/src/mathed/math_gridinset.h +++ b/src/mathed/math_gridinset.h @@ -1,136 +1,241 @@ // -*- 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 "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 { /// RowInfo(); + /// + int skipPixels() const; /// cached descent mutable int descent_; /// cached ascent mutable int ascent_; /// cached offset mutable int offset_; - /// hline abow this row? - bool upperline_; - /// hline below this row? - bool lowerline_; + /// 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; /// 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(); + /// + void metrics(MetricsInfo & mi) const; /// - MathGridInset(int m, int n); + 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) 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, 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); /// - bool isGrid() const { return true; } - + const RowInfo & rowinfo(row_type row) const; + /// returns topmost row if passed (-1) + RowInfo & rowinfo(row_type row); /// - int ncols() const { return colinfo_.size(); } + const CellInfo & cellinfo(idx_type idx) const { return cellinfo_[idx]; } /// - int 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; } /// - int col(int idx) const { return idx % ncols(); } + col_type ncols() const; /// - int row(int idx) const { return idx / ncols(); } + row_type nrows() const; /// - int cellXOffset(int idx) const; + col_type col(idx_type idx) const; /// - int cellYOffset(int idx) const; + row_type row(idx_type idx) const; /// - bool idxUp(int &, int &) const; + bool idxUpDown(LCursor &, bool up) const; + /// + bool idxLeft(LCursor &) const; + /// + bool idxRight(LCursor &) const; /// - bool idxDown(int &, int &) const; + bool idxFirst(LCursor &) const; /// - bool idxLeft(int &, int &) const; + bool idxLast(LCursor &) const; /// - bool idxRight(int &, int &) const; + bool idxDelete(idx_type & idx); + /// pulls cell after pressing erase + void idxGlue(idx_type idx); + /// - bool idxFirst(int &, int &) const; + virtual void addRow(row_type r); /// - bool idxLast(int &, int &) const; + 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; + /// + virtual int hlinesep() const; /// - std::vector idxBetween(int from, int to) 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_; /// column info std::vector colinfo_; - /// + /// cell info + std::vector cellinfo_; + /// char v_align_; // add approp. type +private: + virtual std::auto_ptr doClone() const; }; #endif