Introduce doc preference for line numbering.

https://www.mail-archive.com/lyx-devel@lists.lyx.org/msg208781.html

development/FORMAT

@@ -7,6 +7,9 @@ changes happened in particular if possible. A good example would be
 
 -----------------------
 
+2019-05-21 Pavel Sanda <sanda@lyx.org>
+	* Format incremented to 575: add line numbering via lineno package
+
 2019-04-16  Günter Milde <milde@lyx.org>
         * Format incremented to 574: Ruby inset, fixes for Japanese.
 

lib/lyx2lyx/lyx_2_4.py

@@ -1694,6 +1694,15 @@ def revert_utf8_japanese(document):
     if lang == "japanese-cjk":
         document.set_parameter("inputencoding", "utf8-cjk")
 
+def revert_lineno(document):
+    " Remove lineno package use."
+    i = find_token(document.header, "\\use_lineno", 0)
+    if i != -1:
+        del document.header[i]
+    i = find_token(document.header, "\\lineno_options", 0)
+    if i != -1:
+        del document.header[i]
+
 
 ##
 # Conversion hub
@@ -1731,9 +1740,11 @@ convert = [
            [572, [convert_notoFonts]],  # Added options thin, light, extralight for Noto
            [573, [convert_inputencoding_namechange]],
            [574, [convert_ruby_module, convert_utf8_japanese]],
+           [575, []],
           ]
 
-revert =  [[573, [revert_ruby_module, revert_utf8_japanese]],
+revert =  [[574, [revert_lineno]],
+           [573, [revert_ruby_module, revert_utf8_japanese]],
            [572, [revert_inputencoding_namechange]],
            [571, [revert_notoFonts]],
            [570, [revert_cmidruletrimming]],

src/BufferParams.cpp

@@ -475,6 +475,7 @@ BufferParams::BufferParams()
 	output_sync = false;
 	use_refstyle = true;
 	use_minted = false;
+	use_lineno = false;
 
 	// map current author
 	author_map_[pimpl_->authorlist.get(0).bufferId()] = 0;
@@ -1118,6 +1119,11 @@ string BufferParams::readToken(Lexer & lex, string const & token,
 		lex >> use_refstyle;
 	} else if (token == "\\use_minted") {
 		lex >> use_minted;
+	} else if (token == "\\use_lineno") {
+		lex >> use_lineno;
+	} else if (token == "\\lineno_options") {
+		lex.eatLine();
+		lineno_opts = trim(lex.getString());
 	} else {
 		lyxerr << "BufferParams::readToken(): Unknown token: " <<
 			token << endl;
@@ -1321,6 +1327,12 @@ void BufferParams::writeFile(ostream & os, Buffer const * buf) const
 	   << "\n\\use_refstyle " << use_refstyle
 	   << "\n\\use_minted " << use_minted
 	   << '\n';
+
+	if (use_lineno)
+		os << "\\use_lineno " << use_lineno << '\n';
+	if (!lineno_opts.empty())
+		 os << "\\lineno_options " << lineno_opts << '\n';
+
 	if (isbackgroundcolor == true)
 		os << "\\backgroundcolor " << lyx::X11hexname(backgroundcolor) << '\n';
 	if (isfontcolor == true)
@@ -2132,6 +2144,14 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
 		// hyperref loads this automatically
 		os << "\\usepackage{nameref}\n";
 
+	if (use_lineno){
+		os << "\\usepackage";
+		if (!lineno_opts.empty())
+			os << "[" << lineno_opts << "]";
+		os << "{lineno}\n";
+		os << "\\linenumbers\n";
+	}
+
 	// bibtopic needs to be loaded after hyperref.
 	// the dot provides the aux file naming which LyX can detect.
 	if (features.mustProvide("bibtopic"))

src/BufferParams.h

@@ -550,6 +550,10 @@ public:
 	bool use_refstyle;
 	/// use minted? or listings?
 	bool use_minted;
+	//output line numbering
+	bool use_lineno;
+	//optional params for lineno package
+	std::string lineno_opts;
 
 	/// Return true if language could be set to lang,
 	/// otherwise return false and do not change language

src/frontends/qt4/GuiDocument.cpp

@@ -1253,6 +1253,11 @@ GuiDocument::GuiDocument(GuiView & lv)
 	numberingModule->tocTW->headerItem()->setText(1, qt_("Numbered"));
 	numberingModule->tocTW->headerItem()->setText(2, qt_("Appears in TOC"));
 	setSectionResizeMode(numberingModule->tocTW->header(), QHeaderView::ResizeToContents);
+	connect(numberingModule->linenoGB, SIGNAL(clicked()),
+		this, SLOT(change_adaptor()));
+	connect(numberingModule->linenoLE, SIGNAL(textChanged(QString)),
+		this, SLOT(change_adaptor()));
+
 
 	// biblio
 	biblioModule = new UiWidget<Ui::BiblioUi>(this);
@@ -3282,6 +3287,8 @@ void GuiDocument::applyView()
 		bp_.tocdepth = numberingModule->tocSL->value();
 		bp_.secnumdepth = numberingModule->depthSL->value();
 	}
+	bp_.use_lineno = numberingModule->linenoGB->isChecked();
+	bp_.lineno_opts = fromqstr(numberingModule->linenoLE->text());
 
 	// bullets
 	bp_.user_defined_bullet(0) = bulletsModule->bullet(0);
@@ -3806,6 +3813,9 @@ void GuiDocument::paramsToDialog()
 		numberingModule->tocTW->clear();
 	}
 
+	numberingModule->linenoGB->setChecked(bp_.use_lineno);
+	numberingModule->linenoLE->setText(toqstr(bp_.lineno_opts));
+
 	// bullets
 	bulletsModule->setBullet(0, bp_.user_defined_bullet(0));
 	bulletsModule->setBullet(1, bp_.user_defined_bullet(1));

src/frontends/qt4/ui/NumberingUi.ui

@@ -90,6 +90,44 @@
      </property>
     </widget>
    </item>
+   <item row="5" column="0">
+    <widget class="QGroupBox" name="linenoGB">
+     <property name="enabled">
+      <bool>true</bool>
+     </property>
+     <property name="title">
+      <string>L&amp;ines numbering</string>
+     </property>
+     <property name="flat">
+      <bool>true</bool>
+     </property>
+     <property name="checkable">
+      <bool>true</bool>
+     </property>
+     <property name="checked">
+      <bool>false</bool>
+     </property>
+     <layout class="QHBoxLayout" name="horizontalLayout">
+      <item>
+       <widget class="QLabel" name="label">
+        <property name="text">
+         <string>Additional O&amp;ptions:</string>
+        </property>
+        <property name="buddy">
+         <cstring>linenoLE</cstring>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLineEdit" name="linenoLE">
+        <property name="toolTip">
+         <string>lineno package options (e.g. right, modulo, switch, displaymath, mathlines,...)</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
   </layout>
  </widget>
  <tabstops>

src/tex2lyx/TODO.txt

@@ -34,6 +34,7 @@ Format LaTeX feature                        LyX feature
 443    unicode-math.sty                     InsetMath*
 453    automatic stmaryrd loading           \use_package stmaryrd
 457    automatic stackrel loading           \use_package stackrel
+575    numbering of lines (lineno)          \use_lineno, \lineno_options
 
 
 

src/version.h

@@ -32,8 +32,8 @@ extern char const * const lyx_version_info;
 
 // Do not remove the comment below, so we get merge conflict in
 // independent branches. Instead add your own.
-#define LYX_FORMAT_LYX 574 // gm: Japanese fixes
+#define LYX_FORMAT_LYX 575 // ps: lineno
-#define LYX_FORMAT_TEX2LYX 574
+#define LYX_FORMAT_TEX2LYX 575
 
 #if LYX_FORMAT_TEX2LYX != LYX_FORMAT_LYX
 #ifndef _MSC_VER