backporting tex2lyx: the color support

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_2_0_X@39992 a592a061-630c-0410-9148-cb99ea01b6c8

src/tex2lyx/TODO.txt

@@ -52,7 +52,6 @@ Format LaTeX feature                        LyX feature
 347    tabular valign                       InsetTabular
 348    \phantom, \hphantom, \vphantom       InsetPhantom
 350    ?                                    \default_output_format
-351    ?                                    \backgroundcolor
 353    \printsubindex                       InsetIndex
 354    \printindex*, \printsubindex*        InsetIndex
 355    \sout                                fonts
@@ -76,9 +75,6 @@ Format LaTeX feature                        LyX feature
 378    revision info                        InsetInfo
 380    ?                                    InsetPreview
 381    \xymatrix@!{0,R,C}                   InsetMathXYMatrix
-382    note_fontcolor                       InsetNote
-384    document font color                  \fontcolor
-385    shaded box background color          \boxbgcolor
 386    LyX version                          InsetInfo
 390    forward/reverse search               \forward_search, \forward_macro
 391    decimal alignment in tables          InsetTabular

src/tex2lyx/preamble.cpp

@@ -165,6 +165,12 @@ const char * const known_if_commands[] = {"if", "ifarydshln", "ifbraket",
 "ifcancel", "ifcolortbl", "ifeurosym", "ifmarginnote", "ifmmode", "ifpdf",
 "ifsidecap", "ifupgreek", 0};
 
+const char * const known_basic_colors[] = {"blue", "black", "cyan", "green",
+"magenta", "red", "white", "yellow", 0};
+
+const char * const known_basic_color_codes[] = {"#0000ff", "#000000", "#00ffff", "#00ff00",
+"#ff00ff", "#ff0000", "#ffffff", "#ffff00", 0};
+
 /// conditional commands with three arguments like \@ifundefined{}{}{}
 const char * const known_if_3arg_commands[] = {"@ifundefined", "IfFileExists",
 0};
@@ -216,6 +222,9 @@ string h_use_bibtopic            = "false";
 string h_paperorientation        = "portrait";
 string h_suppress_date           = "false";
 string h_use_refstyle            = "0";
+string h_backgroundcolor;
+string h_boxbgcolor;
+string h_fontcolor;
 string h_notefontcolor;
 string h_secnumdepth             = "3";
 string h_tocdepth                = "3";
@@ -774,8 +783,14 @@ void end_preamble(ostream & os, TextClass const & /*textclass*/)
 	   << "\\paperorientation " << h_paperorientation << '\n'
 	   << "\\suppress_date " << h_suppress_date << '\n'
 	   << "\\use_refstyle " << h_use_refstyle << '\n';
+	if (!h_fontcolor.empty())
+		os << "\\fontcolor " << h_fontcolor << '\n';
 	if (!h_notefontcolor.empty())
 		os << "\\notefontcolor " << h_notefontcolor << '\n';
+	if (!h_backgroundcolor.empty())
+		os << "\\backgroundcolor " << h_backgroundcolor << '\n';
+	if (!h_boxbgcolor.empty())
+		os << "\\boxbgcolor " << h_boxbgcolor << '\n';
 	os << h_margins
 	   << "\\secnumdepth " << h_secnumdepth << "\n"
 	   << "\\tocdepth " << h_tocdepth << "\n"
@@ -880,6 +895,38 @@ void parse_preamble(Parser & p, ostream & os,
 		else if (t.cs() == "pagestyle")
 			h_paperpagestyle = p.verbatim_item();
 
+		else if (t.cs() == "color") {
+			string argument = p.getArg('{', '}');
+			// check the case that a standard color is used
+			if (is_known(argument, known_basic_colors))
+				h_fontcolor = color2code(argument);
+			// check the case that LyX's document_fontcolor is defined
+			// but not used for \color
+			if (argument != "document_fontcolor"
+				&& !is_known(argument, known_basic_colors)) {
+				h_preamble << t.asInput() << '{' << argument << '}';
+				// the color might already be set because \definecolor
+				// is parsed before this
+				h_fontcolor = "";
+			}
+		}
+
+		else if (t.cs() == "pagecolor") {
+			string argument = p.getArg('{', '}');
+			// check the case that a standard color is used
+			if (is_known(argument, known_basic_colors))
+				h_backgroundcolor = color2code(argument);
+			// check the case that LyX's page_backgroundcolor is defined
+			// but not used for \pagecolor
+			if (argument != "page_backgroundcolor"
+				&& !is_known(argument, known_basic_colors)) {
+				h_preamble << t.asInput() << '{' << argument << '}';
+				// the color might already be set because \definecolor
+				// is parsed before this
+				h_backgroundcolor = "";
+			}
+		}
+
 		else if (t.cs() == "makeatletter") {
 			// LyX takes care of this
 			p.setCatCode('@', catLetter);
@@ -1137,9 +1184,18 @@ void parse_preamble(Parser & p, ostream & os,
 			string const color = p.getArg('{', '}');
 			string const space = p.getArg('{', '}');
 			string const value = p.getArg('{', '}');
-			if (color == "note_fontcolor" && space == "rgb") {
+			if (color == "document_fontcolor" && space == "rgb") {
+				RGBColor c(RGBColorFromLaTeX(value));
+				h_fontcolor = X11hexname(c);
+			} else if (color == "note_fontcolor" && space == "rgb") {
 				RGBColor c(RGBColorFromLaTeX(value));
 				h_notefontcolor = X11hexname(c);
+			} else if (color == "page_backgroundcolor" && space == "rgb") {
+				RGBColor c(RGBColorFromLaTeX(value));
+				h_backgroundcolor = X11hexname(c);
+			} else if (color == "shadecolor" && space == "rgb") {
+				RGBColor c(RGBColorFromLaTeX(value));
+				h_boxbgcolor = X11hexname(c);
 			} else {
 				h_preamble << "\\definecolor{" << color
 				           << "}{" << space << "}{" << value
@@ -1230,6 +1286,16 @@ string babel2lyx(string const & language)
 	return language;
 }
 
+
+/// translates a color name to a LyX color code
+string color2code(string const & name)
+{
+	char const * const * where = is_known(name, known_basic_colors);
+	if (where)
+		return known_basic_color_codes[where - known_basic_colors];
+	return name;
+}
+
 // }])
 
 

src/tex2lyx/test/box-color-size-space-align.tex

@@ -15,7 +15,7 @@
 \definecolor{document_fontcolor}{rgb}{0.66796875, 1, 0}
 \color{document_fontcolor}
 \definecolor{note_fontcolor}{rgb}{0, 0, 1}
-\definecolor{shadecolor}{rgb}{1, 0, 0}
+\definecolor{shadecolor}{rgb}{1, 1, 0}
 \usepackage{framed}
 \usepackage{calc}
 \usepackage{fancybox}
@@ -304,6 +304,7 @@ raggedleft 2 raggedleft 2 raggedleft 2 raggedleft 2 raggedleft 2
 %set back to justified
 \raggedright{}
 
+
 \subsection{Horizontal spaces}
 
 Lines can have an hfill \hfill in the middle.
@@ -344,6 +345,21 @@ quad\quad{}a
 
 qquad\qquad{}a
 
+\subsubsection*{now some math examples:}
+
+$a\hfill b$
+
+$a\hspace*{2cm}b$
+
+$a\hspace{1cm}b$
+
+$a\hspace*{\fill} b$
+
+$a\enskip b$
+
+$a\enspace b$
+
+
 \subsection{Vertical spaces}
 
 Lines can have a vfill \vfill in the middle.

src/tex2lyx/test/test-insets.tex

@@ -308,58 +308,6 @@ test
 \textcolor{red}{\rule[-4ex]{5in}{1cm}}
 
 
-\subsection{Spaces}
-
-simple: a\ b
-
-simple, protected: a~b
-
-thin: a\,b
-
-medium: a\negthinspace{}b
-
-thick: a\negmedspace{}b
-
-negative thin: a\negthinspace{}b
-
-negative meduim: a\negmedspace{}b
-
-negative thick: a\negthickspace{}b
-
-half quad: a\enskip{}b
-
-half quad, protected: a\enspace{}b
-
-a\quad{}b
-
-a\qquad{}b
-
-hfill: a\hfill{}b
-
-hfill, protected: a\hspace*{\fill}b
-
-custom,: a\hspace{1cm}b
-
-custom, protected: a\hspace*{1cm}b
-
-visible: a\textvisiblespace{}b
-
-
-\subsubsection*{now some math examples:}
-
-$a\hfill b$
-
-$a\hspace*{2cm}b$
-
-$a\hspace{1cm}b$
-
-$a\hspace*{\fill} b$
-
-$a\enskip b$
-
-$a\enspace b$
-
-
 \subsection{Phantoms}
 
 test\phantom{Wow}test

src/tex2lyx/tex2lyx.h

@@ -48,6 +48,8 @@ void parse_preamble(Parser & p, std::ostream & os,
 	std::string const & forceclass, TeX2LyXDocClass & tc);
 /// Translate babel language name to LyX language name
 extern std::string babel2lyx(std::string const & language);
+/// translate color name to LyX color code
+extern std::string color2code(std::string const & name);
 
 /// used packages with options
 extern std::map<std::string, std::vector<std::string> > used_packages;