store optional eol arg and write it back if necessary

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2480 a592a061-630c-0410-9148-cb99ea01b6c8

src/mathed/math_gridinset.C

@@ -45,6 +45,7 @@ int MathGridInset::index(int row, int col) const
 }
 
 
+
 void MathGridInset::halign(string const & hh)
 {
 	int n = hh.size();
@@ -54,26 +55,45 @@ void MathGridInset::halign(string const & hh)
 		colinfo_[i].h_align_ = hh[i];
 }
 
+
 void MathGridInset::halign(char h, int col)
 {
 	colinfo_[col].h_align_ = h;
 }
 
+
 char MathGridInset::halign(int col) const
 {
 	return colinfo_[col].h_align_;
 }
 
+
+
 void MathGridInset::valign(char c)
 {
 	v_align_ = c;
 }
 
+
 char MathGridInset::valign() const
 {
 	return v_align_;
 }
 
+
+
+void MathGridInset::vskip(LyXLength const & skip, int row)
+{
+	rowinfo_[row].skip_ = skip;
+}
+
+
+LyXLength MathGridInset::vskip(int row) const
+{
+	return rowinfo_[row].skip_;
+}
+
+
 void MathGridInset::metrics(MathStyles st) const
 {
 	// let the cells adjust themselves
@@ -220,6 +240,9 @@ string MathGridInset::eolString(int row) const
 	if (row == nrows() - 1)	
 		return "";
 
+	if (rowinfo_[row].skip_ != LyXLength())
+		return "\\\\[" + rowinfo_[row].skip_.asLatexString() + "]\n";
+
 	// make sure an upcoming '[' does not break anything
 	MathArray const & c = cell(index(row + 1, 0));
 	if (c.size() && (*c.begin())->getChar() == '[')
@@ -243,6 +266,7 @@ void MathGridInset::addRow(int row)
 	cells_.insert(cells_.begin() + (row + 1) * ncols(), ncols(), MathXArray());
 }
 
+
 void MathGridInset::appendRow()
 {
 	rowinfo_.push_back(RowInfo());

src/mathed/math_gridinset.h

@@ -3,6 +3,7 @@
 #define MATH_GRID_H
 
 #include "math_nestinset.h"
+#include "vspace.h"
 #include "LString.h"
 
 #ifdef __GNUG__
@@ -31,6 +32,8 @@ class MathGridInset : public MathNestInset {
 		bool upperline_;
 		/// hline below this row?
 		bool lowerline_;
+		/// distance
+		LyXLength skip_;
 	};
 
 	// additional per-row information
@@ -71,6 +74,10 @@ public:
 	///
 	char valign() const;
 	///
+	void vskip(LyXLength const &, int row);
+	///
+	LyXLength vskip(int row) const;
+	///
 	void resize(short int type, int cols);
 	///
 	const RowInfo & rowinfo(int row) const;

src/mathed/math_parser.C

@@ -237,8 +237,10 @@ private:
 
 	///
 	bool   curr_num_;
-	//
+	///
 	string curr_label_;
+	///
+	string curr_skip_;
 };
 
 
@@ -410,6 +412,10 @@ void Parser::parse_lines(MathGridInset * p, int col, bool numbered, bool outmost
 			MathMatrixInset * m = static_cast<MathMatrixInset *>(p);
 			m->numbered(row, curr_num_);
 			m->label(row, curr_label_);
+			if (curr_skip_.size()) {
+				m->vskip(LyXLength(curr_skip_), row);
+				curr_skip_.erase();
+			}
 		}
 
 #ifdef WITH_WARNINGS
@@ -673,7 +679,7 @@ void Parser::parse_into(MathArray & array, unsigned flags)
 		
 		case LM_TK_NEWLINE:
 		{
-			lexArg('['); // ignore things like  \\[5pt] for a while
+			curr_skip_ = lexArg('[');
 			if (flags & FLAG_NEWLINE) {
 				flags &= ~FLAG_NEWLINE;
 				--plevel;