X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FInsetMathGrid.cpp;h=291e11de8fcc97d3b56abd4fa7d27564ebcb8514;hb=4c724a6072013247ac178f0acec06825585c6c55;hp=3d120a5da8fbacb55b534df4b585f0ee37ac77fe;hpb=8e1e55c9e68bb9176cf95b169ae37d7dc89d8e4d;p=lyx.git

diff --git a/src/mathed/InsetMathGrid.cpp b/src/mathed/InsetMathGrid.cpp
index 3d120a5da8..291e11de8f 100644
--- a/src/mathed/InsetMathGrid.cpp
+++ b/src/mathed/InsetMathGrid.cpp
@@ -26,6 +26,7 @@
 #include "FuncStatus.h"
 #include "Cursor.h"
 #include "FuncRequest.h"
+#include "LaTeXFeatures.h"
 
 #include "frontends/Clipboard.h"
 #include "frontends/Painter.h"
@@ -617,7 +618,7 @@ void InsetMathGrid::drawWithMargin(PainterInfo & pi, int x, int y,
 			col_type const c = col(idx);
 			if (r > 0 && r < nrows()) {
 				for (unsigned int i = 0; i < rowinfo_[r].lines_; ++i) {
-					int yy = y + rowinfo_[r].offset_
+					int const yy = y + rowinfo_[r].offset_
 						- rowinfo_[r].ascent_
 						- i * hlinesep()
 						- hlinesep()/2 - rowsep()/2;
@@ -630,14 +631,17 @@ void InsetMathGrid::drawWithMargin(PainterInfo & pi, int x, int y,
 			}
 			if (c > 0 && c < ncols()) {
 				for (unsigned int i = 0; i < colinfo_[c].lines_; ++i) {
-					int xx = x + lmargin
+					int const xx = x + lmargin
 						+ colinfo_[c].offset_
 						- i * vlinesep()
 						- vlinesep()/2 - colsep()/2;
-					pi.pain.line(xx,
-						rowinfo_[r].offset_ - rowinfo_[r].ascent_,
-						xx,
-						rowinfo_[r].offset_ + rowinfo_[r].descent_,
+					int top_offset;
+					if (r > 0)
+						top_offset = rowinfo_[r - 1].offset_ + rowinfo_[r - 1].descent_;
+					else
+						top_offset = rowinfo_[0].offset_- rowinfo_[0].ascent_;
+					pi.pain.line(xx, y + top_offset,
+						xx, y + rowinfo_[r].offset_ + rowinfo_[r].descent_,
 						Color_foreground);
 				}
 			}
@@ -1237,6 +1241,20 @@ void InsetMathGrid::htmlize(HtmlStream & os) const
 }
 
 
+void InsetMathGrid::validate(LaTeXFeatures & features) const
+{
+	if (features.runparams().math_flavor == OutputParams::MathAsHTML
+	    && (nrows() > 1 || ncols() > 1)) {
+		// CSS taken from InsetMathCases
+		features.addCSSSnippet(
+			"table.mathtable{display: inline-block; text-align: center; border: none;"
+			"border-left: thin solid black; vertical-align: middle; padding-left: 0.5ex;}\n"
+			"table.mathtable td {text-align: left; border: none;}");
+	}
+	InsetMathNest::validate(features);
+}
+
+
 void InsetMathGrid::write(WriteStream & os) const
 {
 	write(os, 0, 0, nrows(), ncols());