X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FFont.cpp;h=ea1b8c17a37ca14c4ad873c7dfc2ca15f69842ac;hb=38a3692a0fce8b0531cef794a08d179e9e33ac33;hp=4813fa240d9e8444b1c5ed8e9031d86327936ee4;hpb=80b94c6bf50dfb5c96ad1ca6003bac93d844e6ce;p=lyx.git

diff --git a/src/Font.cpp b/src/Font.cpp
index 4813fa240d..ea1b8c17a3 100644
--- a/src/Font.cpp
+++ b/src/Font.cpp
@@ -40,6 +40,7 @@ using support::subst;
 using std::endl;
 using std::string;
 using std::ostream;
+using std::pair;
 
 #ifndef CXX_GLOBAL_CSTD
 using std::strlen;
@@ -510,21 +511,21 @@ docstring const Font::stateText(BufferParams * params) const
 		os << lcolor.getGUIName(color()) << ", ";
 	if (emph() != INHERIT)
 		os << bformat(_("Emphasis %1$s, "),
-		              _(GUIMiscNames[emph()]));
+			      _(GUIMiscNames[emph()]));
 	if (underbar() != INHERIT)
 		os << bformat(_("Underline %1$s, "),
-		              _(GUIMiscNames[underbar()]));
+			      _(GUIMiscNames[underbar()]));
 	if (noun() != INHERIT)
 		os << bformat(_("Noun %1$s, "),
-		              _(GUIMiscNames[noun()]));
+			      _(GUIMiscNames[noun()]));
 	if (bits == inherit)
 		os << _("Default") << ", ";
 	if (!params || (language() != params->language))
 		os << bformat(_("Language: %1$s, "),
-		              _(language()->display()));
+			      _(language()->display()));
 	if (number() != OFF)
 		os << bformat(_("  Number %1$s"),
-		              _(GUIMiscNames[number()]));
+			      _(GUIMiscNames[number()]));
 	return rtrim(os.str(), ", ");
 }
 
@@ -674,7 +675,7 @@ Font & Font::lyxRead(Lexer & lex)
 			} else if (ttok == "noun") {
 				setNoun(ON);
 			} else {
-				lex.printError("Illegal misc type `$$Token´");
+				lex.printError("Illegal misc type `$$Token'");
 			}
 		} else if (tok == "color") {
 			lex.next();
@@ -740,16 +741,31 @@ void Font::lyxWriteChanges(Font const & orgfont,
 /// Writes the head of the LaTeX needed to impose this font
 // Returns number of chars written.
 int Font::latexWriteStartChanges(odocstream & os, BufferParams const & bparams,
-                                    OutputParams const & runparams,
-                                    Font const & base,
-                                    Font const & prev) const
+				    OutputParams const & runparams,
+				    Font const & base,
+				    Font const & prev) const
 {
 	bool env = false;
 
 	int count = 0;
 	if (language()->babel() != base.language()->babel() &&
 	    language() != prev.language()) {
-		if (isRightToLeft() != prev.isRightToLeft()) {
+		if (language()->lang() == "farsi") {
+			os << "\\textFR{";
+			count += 8;
+		} else if (!isRightToLeft() &&
+			    base.language()->lang() == "farsi") {
+			os << "\\textLR{";
+			count += 8;
+		} else if (language()->lang() == "arabic_arabi") {
+			os << "\\textAR{";
+			count += 8;
+ 		} else if (!isRightToLeft() &&
+				base.language()->lang() == "arabic_arabi") {
+			os << "\\textLR{";
+			count += 8;
+		// currently the remaining RTL languages are arabic_arabtex and hebrew
+		} else if (isRightToLeft() != prev.isRightToLeft()) {
 			if (isRightToLeft()) {
 				os << "\\R{";
 				count += 3;
@@ -770,18 +786,23 @@ int Font::latexWriteStartChanges(odocstream & os, BufferParams const & bparams,
 	}
 
 	if (language()->encoding()->package() == Encoding::CJK) {
-		int const c = switchEncoding(os, bparams,
+		pair<bool, int> const c = switchEncoding(os, bparams,
 				runparams.moving_arg, *(runparams.encoding),
 				*(language()->encoding()));
-		if (c > 0) {
+		if (c.first) {
 			open_encoding_ = true;
-			count += c;
+			count += c.second;
 			runparams.encoding = language()->encoding();
 		}
 	}
 
-	if (number() == ON && prev.number() != ON &&
-	    language()->lang() == "hebrew") {
+	// When the current language is Hebrew, Arabic, or Farsi
+	// the numbers are written Left-to-Right. ArabTeX package
+	// reorders the number automatically but the packages used
+	// for Hebrew and Farsi (Arabi) do not.
+	if (number() == ON && prev.number() != ON
+		&& (language()->lang() == "hebrew"
+			|| language()->lang() == "farsi")) {
 		os << "{\\beginL ";
 		count += 9;
 	}
@@ -852,9 +873,9 @@ int Font::latexWriteStartChanges(odocstream & os, BufferParams const & bparams,
 // Returns number of chars written
 // This one corresponds to latexWriteStartChanges(). (Asger)
 int Font::latexWriteEndChanges(odocstream & os, BufferParams const & bparams,
-                                  OutputParams const & runparams,
-                                  Font const & base,
-                                  Font const & next) const
+				  OutputParams const & runparams,
+				  Font const & base,
+				  Font const & next) const
 {
 	int count = 0;
 	bool env = false;
@@ -908,8 +929,13 @@ int Font::latexWriteEndChanges(odocstream & os, BufferParams const & bparams,
 		}
 	}
 
-	if (number() == ON && next.number() != ON &&
-	    language()->lang() == "hebrew") {
+	// When the current language is Hebrew, Arabic, or Farsi
+	// the numbers are written Left-to-Right. ArabTeX package
+	// reorders the number automatically but the packages used
+	// for Hebrew and Farsi (Arabi) do not.
+	if (number() == ON && next.number() != ON
+		&& (language()->lang() == "hebrew"
+			|| language()->lang() == "farsi")) {
 		os << "\\endL}";
 		count += 6;
 	}
@@ -918,11 +944,11 @@ int Font::latexWriteEndChanges(odocstream & os, BufferParams const & bparams,
 		// We need to close the encoding even if it does not change
 		// to do correct environment nesting
 		Encoding const * const ascii = encodings.getFromLyXName("ascii");
-		int const c = switchEncoding(os, bparams,
+		pair<bool, int> const c = switchEncoding(os, bparams,
 				runparams.moving_arg, *(runparams.encoding),
 				*ascii);
-		BOOST_ASSERT(c > 0);
-		count += c;
+		BOOST_ASSERT(c.first);
+		count += c.second;
 		runparams.encoding = ascii;
 		open_encoding_ = false;
 	}