X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FLaTeXFeatures.cpp;h=55db95350386506ffdbb6673b4f19ef90854dbcf;hb=c1ee1bc0baf00a64734ec5eb345884c057e4d9c1;hp=f94351f1003cad6ab8c71568f4cb5810809ff3f3;hpb=46e3885d19b8ff9409297065faa2f7364ada9465;p=lyx.git

diff --git a/src/LaTeXFeatures.cpp b/src/LaTeXFeatures.cpp
index f94351f100..55db953503 100644
--- a/src/LaTeXFeatures.cpp
+++ b/src/LaTeXFeatures.cpp
@@ -79,6 +79,15 @@ static docstring const lyxarrow_def = from_ascii(
 	"{\\leavevmode\\,$\\triangleleft$\\,\\allowbreak}\n"
 	"{\\leavevmode\\,$\\triangleright$\\,\\allowbreak}}");
 
+// ZERO WIDTH SPACE (ZWSP) is actually not a space character
+// but marks a line break opportunity. Several commands provide a
+// line break opportunity. They differ in side-effects:
+// \allowbreak prevents hyphenation after hyphen or dash + ZWSP
+// \linebreak[<n>] takes an optional argument denoting "urgency".
+// The \LyXZeroWidthSpace wrapper allows customization in the preamble.
+static docstring const lyxZWSP_def = from_ascii(
+	"\\newcommand*\\LyXZeroWidthSpace{\\hspace{0pt}}");
+
 // for quotes without babel. This does not give perfect results, but
 // anybody serious about non-english quotes should use babel (JMarc).
 
@@ -123,19 +132,19 @@ static docstring const textquotedbl_def = from_ascii(
 
 static docstring const textquotedblp_xetex_def = from_ascii(
 	"\\providecommand\\textquotedblplain{%\n"
-	"  \\bgroup\\addfontfeatures{Mapping=}\\char`\\\"\\egroup}");
+	"  \\bgroup\\addfontfeatures{Mapping=}\\char34\\egroup}");
 
 static docstring const textquotedblp_luatex_def = from_ascii(
 	"\\providecommand\\textquotedblplain{%\n"
-	"  \\bgroup\\addfontfeatures{RawFeature=-tlig}\\char`\\\"\\egroup}");
+	"  \\bgroup\\addfontfeatures{RawFeature=-tlig}\\char34\\egroup}");
 
 static docstring const textquotesinglep_xetex_def = from_ascii(
 	"\\providecommand\\textquotesingleplain{%\n"
-	"  \\bgroup\\addfontfeatures{Mapping=}\\char`\\\'\\egroup}");
+	"  \\bgroup\\addfontfeatures{Mapping=}\\char39\\egroup}");
 
 static docstring const textquotesinglep_luatex_def = from_ascii(
 	"\\providecommand\\textquotesingleplain{%\n"
-	"  \\bgroup\\addfontfeatures{RawFeature=-tlig}\\char`\\\'\\egroup}");
+	"  \\bgroup\\addfontfeatures{RawFeature=-tlig}\\char39\\egroup}");
 
 static docstring const paragraphleftindent_def = from_ascii(
 	"\\newenvironment{LyXParagraphLeftIndent}[1]%\n"
@@ -591,8 +600,8 @@ bool LaTeXFeatures::isProvided(string const & name) const
 	if (params_.useNonTeXFonts)
 		return params_.documentClass().provides(name);
 
-	bool const ot1 = (params_.font_encoding() == "default"
-		|| params_.font_encoding() == "OT1");
+	bool const ot1 = (params_.main_font_encoding() == "default"
+		|| params_.main_font_encoding() == "OT1");
 	bool const complete = (params_.fontsSans() == "default"
 		&& params_.fontsTypewriter() == "default");
 	bool const nomath = (params_.fontsMath() == "default");
@@ -1089,7 +1098,8 @@ string const LaTeXFeatures::getPackages() const
 	// if fontspec or newtxmath is used, AMS packages have to be loaded
 	// before fontspec (in BufferParams)
 	string const amsPackages = loadAMSPackages();
-	bool const ot1 = (params_.font_encoding() == "default" || params_.font_encoding() == "OT1");
+	bool const ot1 = (params_.main_font_encoding() == "default"
+			  || params_.main_font_encoding() == "OT1");
 	bool const use_newtxmath =
 		theLaTeXFonts().getLaTeXFont(from_ascii(params_.fontsMath())).getUsedPackage(
 			ot1, false, false) == "newtxmath";
@@ -1316,16 +1326,19 @@ TexString LaTeXFeatures::getMacros() const
 	if (mustProvide("lyxarrow"))
 		macros << lyxarrow_def << '\n';
 
+	if (mustProvide("lyxzerowidthspace"))
+		macros << lyxZWSP_def << '\n';
+
 	if (!usePolyglossia() && mustProvide("textgreek")) {
 	    // ensure LGR font encoding is defined also if fontenc is not loaded by LyX
-	   	if (params_.font_encoding() == "default")
+	   	if (params_.main_font_encoding() == "default")
 			macros << textgreek_LGR_def;
 		macros << textgreek_def << '\n';
 	}
 
 	if (!usePolyglossia() && mustProvide("textcyr")) {
 		// ensure T2A font encoding is set up also if fontenc is not loaded by LyX
-		if (params_.font_encoding() == "default")
+		if (params_.main_font_encoding() == "default")
 			macros << textcyr_T2A_def;
 		macros << textcyr_def << '\n';
 	}
@@ -1568,7 +1581,10 @@ docstring const LaTeXFeatures::getTClassPreamble() const
 	list<docstring>::const_iterator cit = usedLayouts_.begin();
 	list<docstring>::const_iterator end = usedLayouts_.end();
 	for (; cit != end; ++cit)
-		tcpreamble << tclass[*cit].preamble();
+		// For InPreamble layouts, we output the preamble stuff earlier
+		// (before the layouts). See Paragraph::Private::validate.
+		if (!tclass[*cit].inpreamble)
+			tcpreamble << tclass[*cit].preamble();
 
 	cit = usedInsetLayouts_.begin();
 	end = usedInsetLayouts_.end();