From 5f412cc10e91f882027c3ca0240b98dcb6c7c35f Mon Sep 17 00:00:00 2001
From: Ashwin Maroli <ashmaroli@gmail.com>
Date: Wed, 24 Jul 2019 12:41:30 +0530
Subject: [PATCH 1/2] Disable line-number selection in HTMLLineTable

---
 lib/rouge/formatters/html_line_table.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/rouge/formatters/html_line_table.rb b/lib/rouge/formatters/html_line_table.rb
index 66b5838efb..1b6229651e 100644
--- a/lib/rouge/formatters/html_line_table.rb
+++ b/lib/rouge/formatters/html_line_table.rb
@@ -37,7 +37,9 @@ def stream(tokens, &b)
         token_lines(tokens) do |line_tokens|
           lineno += 1
           buffer << %(<tr id="#{sprintf @line_id, lineno}" class="#@line_class">)
-          buffer << %(<td class="#@gutter_class gl">)
+          buffer << %(<td class="#@gutter_class gl" )
+          buffer << %(style="-moz-user-select: none;-ms-user-select: none;)
+          buffer << %(-webkit-user-select: none;user-select: none;">)
           buffer << %(<pre>#{lineno}</pre></td>)
           buffer << %(<td class="#@code_class"><pre>)
           @formatter.stream(line_tokens) { |formatted| buffer << formatted }

From cb2be99faf6d5094bd7f5eebee117cfabe055c1a Mon Sep 17 00:00:00 2001
From: Ashwin Maroli <ashmaroli@gmail.com>
Date: Wed, 24 Jul 2019 14:38:35 +0530
Subject: [PATCH 2/2] Update html_line_table_spec

---
 spec/formatters/html_line_table_spec.rb | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/spec/formatters/html_line_table_spec.rb b/spec/formatters/html_line_table_spec.rb
index 4d3d0b6a27..613f3dfe01 100644
--- a/spec/formatters/html_line_table_spec.rb
+++ b/spec/formatters/html_line_table_spec.rb
@@ -7,6 +7,9 @@
   let(:subject) { Rouge::Formatters::HTMLLineTable.new(formatter, options) }
 
   let(:output) { subject.format(input_stream) }
+  let(:cell_style) do
+    "-moz-user-select: none;-ms-user-select: none;-webkit-user-select: none;user-select: none;"
+  end
 
   describe 'a simple token stream' do
     let(:input_stream) { [[Token['Name'], 'foo']] }
@@ -16,7 +19,7 @@
 <table class="rouge-line-table">
   <tbody>
     <tr id="line-1" class="lineno">
-      <td class="rouge-gutter gl"><pre>1</pre></td>
+      <td class="rouge-gutter gl" style="#{cell_style}"><pre>1</pre></td>
       <td class="rouge-code"><pre><span class="n">foo</span>\n</pre></td>
     </tr>
   </tbody>
@@ -33,23 +36,23 @@
     let(:input_stream) { [[Token['Text'], "foo\n"], [Token['Name'], "bar\n"], [Token['Text'], "foo\nbar"]] }
 
     it 'is formatted into a table-row for every newline' do
-        expected = <<-HTML
+      expected = <<-HTML
 <table class="rouge-line-table">
   <tbody>
     <tr id="line-1" class="lineno">
-      <td class="rouge-gutter gl"><pre>1</pre></td>
+      <td class="rouge-gutter gl" style="#{cell_style}"><pre>1</pre></td>
       <td class="rouge-code"><pre>foo\n</pre></td>
     </tr>
     <tr id="line-2" class="lineno">
-      <td class="rouge-gutter gl"><pre>2</pre></td>
+      <td class="rouge-gutter gl" style="#{cell_style}"><pre>2</pre></td>
       <td class="rouge-code"><pre><span class="n">bar</span>\n</pre></td>
     </tr>
     <tr id="line-3" class="lineno">
-      <td class="rouge-gutter gl"><pre>3</pre></td>
+      <td class="rouge-gutter gl" style="#{cell_style}"><pre>3</pre></td>
       <td class="rouge-code"><pre>foo\n</pre></td>
     </tr>
     <tr id="line-4" class="lineno">
-      <td class="rouge-gutter gl"><pre>4</pre></td>
+      <td class="rouge-gutter gl" style="#{cell_style}"><pre>4</pre></td>
       <td class="rouge-code"><pre>bar\n</pre></td>
     </tr>
   </tbody>
@@ -80,7 +83,7 @@
 <table class="code-table">
   <tbody>
     <tr id="L15" class="line-no">
-      <td class="code-gutter gl"><pre>15</pre></td>
+      <td class="code-gutter gl" style="#{cell_style}"><pre>15</pre></td>
       <td class="fenced-code">
         <pre><span class="n">foo</span>bar\n</pre>
       </td>