Fix greyedout notes UI color (#6682) as good as it gets ATM

src/BufferParams.cpp

@@ -815,6 +815,7 @@ string BufferParams::readToken(Lexer & lex, string const & token,
 		lex.eatLine();
 		string color = lex.getString();
 		notefontcolor = lyx::rgbFromHexName(color);
+		lcolor.setColor("notefontcolor", color);
 	} else if (token == "\\boxbgcolor") {
 		lex.eatLine();
 		string color = lex.getString();

src/insets/InsetNote.cpp

@@ -18,6 +18,7 @@
 #include "BufferParams.h"
 #include "BufferView.h"
 #include "BufferParams.h"
+#include "ColorSet.h"
 #include "Counters.h"
 #include "Cursor.h"
 #include "DispatchResult.h"
@@ -336,6 +337,19 @@ bool InsetNote::allowSpellCheck() const
 	return (params_.type == InsetNoteParams::Greyedout || lyxrc.spellcheck_notes);
 }
 
+FontInfo InsetNote::getFont() const
+{
+	FontInfo font = getLayout().font();
+	// FIXME: This hardcoded color is a hack!
+	if (params_.type == InsetNoteParams::Greyedout
+	    && buffer().params().notefontcolor != lyx::rgbFromHexName("#cccccc")) {
+		ColorCode c = lcolor.getFromLyXName("notefontcolor");
+		if (c != Color_none)
+			font.setColor(c);
+	}
+	return font;
+}
+
 
 string InsetNote::params2string(InsetNoteParams const & params)
 {

src/insets/InsetNote.h

@@ -73,6 +73,8 @@ private:
 	///
 	bool allowSpellCheck() const;
 	///
+	FontInfo getFont() const;
+	///
 	void write(std::ostream &) const;
 	///
 	void read(Lexer & lex);