From 77c8a2df0fa2659b9edb7e56f13d0160ba96b7da Mon Sep 17 00:00:00 2001
From: Juergen Spitzmueller <spitz@lyx.org>
Date: Wed, 20 Jan 2021 13:55:48 +0100
Subject: [PATCH] Ass method to add a latexname to a local color (needed for
 #9283)

---
 src/Color.cpp  | 29 +++++++++++++++++++++++++++++
 src/ColorSet.h |  6 ++++++
 2 files changed, 35 insertions(+)

diff --git a/src/Color.cpp b/src/Color.cpp
index c627e5b654..c3d3f493d8 100644
--- a/src/Color.cpp
+++ b/src/Color.cpp
@@ -458,6 +458,35 @@ bool ColorSet::setColor(string const & lyxname, string const & x11hexname,
 }
 
 
+bool ColorSet::setLaTeXName(string const & lyxname, string const & latexname)
+{
+	string const lcname = ascii_lowercase(lyxname);
+	if (lyxcolors.find(lcname) == lyxcolors.end()) {
+		LYXERR(Debug::GUI, "ColorSet::setColor: Unknown color \""
+		       << lyxname << '"');
+		addColor(static_cast<ColorCode>(infotab.size()), lcname);
+	}
+
+	ColorCode col = lyxcolors[lcname];
+	InfoTab::iterator it = infotab.find(col);
+	if (it == infotab.end()) {
+		LYXERR0("Color " << col << " not found in database.");
+		return false;
+	}
+
+	// "inherit" is returned for colors not in the database
+	// (and anyway should not be redefined)
+	if (col == Color_none || col == Color_inherit || col == Color_ignore) {
+		LYXERR0("Color " << getLyXName(col) << " may not be redefined.");
+		return false;
+	}
+
+	if (!latexname.empty())
+		it->second.latexname = latexname;
+	return true;
+}
+
+
 void ColorSet::addColor(ColorCode c, string const & lyxname)
 {
 	ColorEntry ce = { c, "", "", "", "", lyxname.c_str() };
diff --git a/src/ColorSet.h b/src/ColorSet.h
index d688f4494a..b1a984427f 100644
--- a/src/ColorSet.h
+++ b/src/ColorSet.h
@@ -63,6 +63,12 @@ public:
 	bool setColor(std::string const & lyxname, std::string const & x11hexname,
 		      std::string const & x11darkhexname = std::string());
 
+	/** set the given LyX color to a latexcolor if not yet defined
+	 *  \returns true if successful. A new color entry
+	 *  is created if the color is unknown.
+	 */
+	bool setLaTeXName(std::string const & lyxname, std::string const & latexname);
+
 	/// Get the GUI name of \c color.
 	docstring const getGUIName(ColorCode c) const;
 
-- 
2.39.2