X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2Fmath_gridinset.h;h=00e324f676b90eefe2def93b74bb5e0ce7c09c90;hb=92d522b7f1be6046adcac062c558bbf0bf021612;hp=027433705ea4b3e1423bca6088bc11e0736c76a7;hpb=9ccefe810b24031894fff8cf3dd39c1bc7f31241;p=lyx.git diff --git a/src/mathed/math_gridinset.h b/src/mathed/math_gridinset.h index 027433705e..00e324f676 100644 --- a/src/mathed/math_gridinset.h +++ b/src/mathed/math_gridinset.h @@ -2,129 +2,239 @@ #ifndef MATH_GRID_H #define MATH_GRID_H -#include "math_inset.h" +#include "math_nestinset.h" +#include "vspace.h" +#include "LString.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 + * \author André Pönitz 2001 + * + * Full author contact details are available in file CREDITS */ -class MathGridInset : public MathInset { +class MathGridInset : public MathNestInset { - /// additional per-row information - struct RowInfo { +public: + + /// additional per-cell information + struct CellInfo { /// - RowInfo(); + CellInfo(); + /// a dummy cell before a multicolumn cell + int dummy_; + /// special multi colums alignment + string align_; + /// these should be a per-cell property, but ok to have it here + /// for single-column grids like paragraphs + mutable int glue_; /// - int descent_; + mutable pos_type begin_; /// - int ascent_; - /// - int offset_; + mutable pos_type end_; + }; + + /// additional per-row information + struct RowInfo { /// - bool upperline_; + RowInfo(); /// - 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, string const & halign); + /// Note: columns first! + MathGridInset(col_type m, row_type n); + /// + MathGridInset(col_type m, row_type n, char valign, string const & halign); + /// Ensures that the dialog is closed. + ~MathGridInset(); /// - MathGridInset(int m, int n, string const & nm, MathInsetTypes ot); + InsetBase * clone() const; /// - virtual MathInset * clone() const = 0; + void metrics(MetricsInfo & mi) const; /// - void Write(std::ostream &, bool fragile) const; + void metrics(MetricsInfo & mi, Dimension &) const; /// - void Metrics(MathStyles st); + void draw(PainterInfo & pi, int x, int y) const; /// - void draw(Painter &, int, int); + void metricsT(TextMetricsInfo const & mi, Dimension & dim) const; /// - void halign(string const &); + void drawT(TextPainter & pi, int x, int y) const; /// - void halign(char c, int col); + void halign(string const & align); /// - char halign(int col) const; + void halign(char c, col_type col); + /// + char halign(col_type col) const; + /// + string halign() const; /// void valign(char c); /// char valign() const; /// - void resize(short int type, int cols); + void vcrskip(LyXLength const &, row_type row); + /// + 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); /// - const RowInfo & rowinfo(int row) const; + const CellInfo & cellinfo(idx_type idx) const { return cellinfo_[idx]; } /// - RowInfo & rowinfo(int row); + CellInfo & cellinfo(idx_type idx) { return cellinfo_[idx]; } + /// identifies GridInset + MathGridInset * asGridInset() { return this; } + /// identifies GridInset + MathGridInset const * asGridInset() const { return this; } + /// local dispatcher + dispatch_result dispatch(FuncRequest const & cmd, idx_type & idx, pos_type & pos); /// - 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(idx_type & idx, pos_type & pos, bool up, int targetx) const; /// - bool idxDown(int &, int &) const; + bool idxLeft(idx_type & idx, pos_type & pos) const; /// - bool idxLeft(int &, int &) const; + bool idxRight(idx_type & idx, pos_type & pos) const; /// - bool idxRight(int &, int &) const; + bool idxFirst(idx_type & idx, pos_type & pos) const; /// - bool idxFirst(int &, int &) const; + bool idxLast(idx_type & idx, pos_type & pos) const; /// - bool idxLast(int &, int &) const; + bool idxHome(idx_type & idx, pos_type & pos) const; /// - void idxDelete(int &, bool &, bool &); + bool idxEnd(idx_type & idx, pos_type & pos) const; /// - void idxDeleteRange(int, int); - + 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 addRow(int); + virtual void copyRow(row_type r); /// - void delRow(int); + virtual void swapRow(row_type r); /// - void addCol(int); + virtual void addCol(col_type c); /// - void delCol(int); + virtual void delCol(col_type c); + /// + virtual void copyCol(col_type c); + /// + 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; /// - std::vector idxBetween(int from, int to) 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: + /// 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 string eolString(row_type row, bool fragile = false) const; + /// returns proper 'end of column' code for LaTeX + virtual string eocString(col_type col, col_type lastcol) const; + /// extract number of columns from alignment string + col_type guessColumns(string const & halign) const; + /// splits cells and shifts right part to the next cell + void splitCell(idx_type &, pos_type & pos); + +public: /// row info std::vector rowinfo_; /// column info std::vector colinfo_; - /// + /// cell info + std::vector cellinfo_; + /// char v_align_; // add approp. type };