tex2lyx: Add support for horizontal longtabular alignment

src/tex2lyx/TODO.txt

@@ -25,7 +25,6 @@ Format LaTeX feature                        LyX feature
        % !BIB program = 
        comment understood by some TeX editors
 358    custom makeindex command             \index_command
-363    horizontal longtable alignment       InsetTabular
 364    branch file name suffix              \filename_suffix
 371    automatic mhchem loading             \use_mhchem
 390    forward/reverse search               \forward_search, \forward_macro

src/tex2lyx/table.cpp

@@ -847,7 +847,8 @@ void handle_hline_below(RowInfo & ri, vector<CellInfo> & ci)
 
 
 void handle_tabular(Parser & p, ostream & os, string const & name,
-                    string const & tabularwidth, Context & context)
+                    string const & tabularwidth, string const & halign,
+                    Context & context)
 {
 	bool const is_long_tabular(name == "longtable");
 	bool booktabs = false;
@@ -1417,6 +1418,8 @@ void handle_tabular(Parser & p, ostream & os, string const & name,
 		   << write_attribute("lastFootTopDL", endlastfoot.topDL)
 		   << write_attribute("lastFootBottomDL", endlastfoot.bottomDL)
 		   << write_attribute("lastFootEmpty", endlastfoot.empty);
+		if (!halign.empty())
+			os << write_attribute("longtabularalignment", halign);
 	} else
 		os << write_attribute("tabularvalignment", tabularvalignment)
 		   << write_attribute("tabularwidth", tabularwidth);

src/tex2lyx/tex2lyx.h

@@ -81,7 +81,8 @@ void parse_math(Parser & p, std::ostream & os, unsigned flags, mode_type mode);
 
 /// in table.cpp
 void handle_tabular(Parser & p, std::ostream & os, std::string const & name,
-                    std::string const & width, Context & context);
+                    std::string const & width, std::string const & halign,
+                    Context & context);
 
 
 /// in tex2lyx.cpp

src/tex2lyx/text.cpp

@@ -1638,13 +1638,23 @@ void parse_environment(Parser & p, ostream & os, bool outer,
 	else if (unstarred_name == "tabular" || name == "longtable") {
 		eat_whitespace(p, os, parent_context, false);
 		string width = "0pt";
+		string halign;
+		if (name == "longtable" && p.hasOpt()) {
+			string const opt = p.getArg('[', ']');
+			if (opt == "c")
+				halign = "center";
+			else if (opt == "l")
+				halign = "left";
+			else if (opt == "r")
+				halign = "right";
+		}
 		if (name == "tabular*") {
 			width = lyx::translate_len(p.getArg('{', '}'));
 			eat_whitespace(p, os, parent_context, false);
 		}
 		parent_context.check_layout(os);
 		begin_inset(os, "Tabular ");
-		handle_tabular(p, os, name, width, parent_context);
+		handle_tabular(p, os, name, width, halign, parent_context);
 		end_inset(os);
 		p.skip_spaces();
 	}

status.23x

@@ -37,6 +37,8 @@ What's new
 
 - Improve import of titling commands other than \maketitle (bug 6461).
 
+- Add support for horizontal longtabular alignment.
+
 
 
 * USER INTERFACE