Make line numbers certain text unselectable

app/assets/stylesheets/framework/common.scss

@@ -383,3 +383,12 @@ table {
   margin-right: -$gl-padding;
   border-top: 1px solid $border-color;
 }
+
+.unselectable, .unselectable a{
+  -webkit-touch-callout: none;
+  -webkit-user-select: none;
+  -khtml-user-select: none;
+  -moz-user-select: none;
+  -ms-user-select: none;
+  user-select: none;
+}
\ No newline at end of file

app/views/projects/blob/diff.html.haml

@@ -8,9 +8,9 @@
     - line_new = index + @form.since
     - line_old = line_new - @form.offset
     %tr.line_holder
-      %td.old_line.diff-line-num{data: {linenumber: line_old}}
+      %td.old_line.diff-line-num.unselectable{data: {linenumber: line_old}}
         = link_to raw(line_old), "#"
-      %td.new_line.diff-line-num
+      %td.new_line.diff-line-num.unselectable
         = link_to raw(line_new) , "#"
       %td.line_content.noteable_line==#{' ' * @form.indent}#{line}

app/views/projects/blob/preview.html.haml

@@ -14,12 +14,12 @@
             - @diff_lines.each do |line|
               %tr.line_holder{ class: "#{line.type}" }
                 - if line.type == "match"
-                  %td.old_line.diff-line-num= "..."
-                  %td.new_line.diff-line-num= "..."
+                  %td.old_line.diff-line-num.unselectable= "..."
+                  %td.new_line.diff-line-num.unselectable= "..."
                   %td.line_content.match= line.text
                 - else
-                  %td.old_line.diff-line-num
-                  %td.new_line.diff-line-num
+                  %td.old_line.diff-line-num.unselectable
+                  %td.new_line.diff-line-num.unselectable
                   %td.line_content{class: "#{line.type}"}= diff_line_content(line.text)
         - else
           .nothing-here-block No changes.

app/views/projects/diffs/_match_line.html.haml

-%td.old_line.diff-line-num{data: {linenumber: line_old},
+%td.old_line.diff-line-num.unselectable{data: {linenumber: line_old},
  class: [unfold_bottom_class(bottom), unfold_class(!new_file)]}
   \...
-%td.new_line.diff-line-num{data: {linenumber: line_new},
+%td.new_line.diff-line-num.unselectable{data: {linenumber: line_new},
  class: [unfold_bottom_class(bottom), unfold_class(!new_file)]}
   \...
 %td.line_content.match= line

app/views/projects/diffs/_match_line_parallel.html.haml

-%td.old_line.diff-line-num
+%td.old_line.diff-line-num.unselectable
 %td.line_content.parallel.match= line
-%td.new_line.diff-line-num
+%td.new_line.diff-line-num.unselectable
 %td.line_content.parallel.match= line

app/views/projects/diffs/_parallel_view.html.haml

@@ -9,12 +9,12 @@
           = render "projects/diffs/match_line_parallel", { line: left[:text],
           line_old: left[:number], line_new: right[:number] }
         - elsif left[:type] == 'nonewline'
-          %td.old_line.diff-line-num
+          %td.old_line.diff-line-num.unselectable
           %td.line_content.parallel.match= left[:text]
-          %td.new_line.diff-line-num
+          %td.new_line.diff-line-num.unselectable
           %td.line_content.parallel.match= left[:text]
         - else
-          %td.old_line.diff-line-num{id: left[:line_code], class: "#{left[:type]}"}
+          %td.old_line.diff-line-num.unselectable{id: left[:line_code], class: "#{left[:type]}"}
             = link_to raw(left[:number]), "##{left[:line_code]}", id: left[:line_code]
             - if @comments_allowed && can?(current_user, :create_note, @project)
               = link_to_new_diff_note(left[:line_code], 'old')
@@ -27,7 +27,7 @@
             - new_line_class = nil
             - new_line_code = left[:line_code]
-          %td.new_line.diff-line-num{id: new_line_code, class: "#{new_line_class}", data: { linenumber: right[:number] }}
+          %td.new_line.diff-line-num.unselectable{id: new_line_code, class: "#{new_line_class}", data: { linenumber: right[:number] }}
             = link_to raw(right[:number]), "##{new_line_code}", id: new_line_code
             - if @comments_allowed && can?(current_user, :create_note, @project)
               = link_to_new_diff_note(right[:line_code], 'new')

app/views/projects/diffs/_text_file.html.haml

@@ -17,15 +17,15 @@
         = render "projects/diffs/match_line", {line: line.text,
           line_old: line_old, line_new: line.new_pos, bottom: false, new_file: diff_file.new_file}
       - elsif type == 'nonewline'
-        %td.old_line.diff-line-num
-        %td.new_line.diff-line-num
+        %td.old_line.diff-line-num.unselectable
+        %td.new_line.diff-line-num.unselectable
         %td.line_content.match= line.text
       - else
-        %td.old_line.diff-line-num{class: type}
+        %td.old_line.diff-line-num.unselectable{class: type}
           = link_to raw(type == "new" ? " " : line_old), "##{line_code}", id: line_code
           - if @comments_allowed && can?(current_user, :create_note, @project)
             = link_to_new_diff_note(line_code)
-        %td.new_line.diff-line-num{class: type, data: {linenumber: line.new_pos}}
+        %td.new_line.diff-line-num.unselectable{class: type, data: {linenumber: line.new_pos}}
           = link_to raw(type == "old" ? " " : line.new_pos), "##{line_code}", id: line_code
         %td.line_content{class: "noteable_line #{type} #{line_code}", data: { line_code: line_code }}= diff_line_content(line.text)

app/views/projects/notes/discussions/_diff.html.haml

@@ -16,13 +16,13 @@
           - line_code = generate_line_code(note.file_path, line)
           %tr.line_holder{ id: line_code, class: "#{type}" }
             - if type == "match"
-              %td.old_line.diff-line-num= "..."
-              %td.new_line.diff-line-num= "..."
+              %td.old_line.diff-line-num.unselectable= "..."
+              %td.new_line.diff-line-num.unselectable= "..."
               %td.line_content.match= line.text
             - else
-              %td.old_line.diff-line-num
+              %td.old_line.diff-line-num.unselectable
                 = raw(type == "new" ? " " : line.old_pos)
-              %td.new_line.diff-line-num
+              %td.new_line.diff-line-num.unselectable
                 = raw(type == "old" ? " " : line.new_pos)
               %td.line_content{class: "noteable_line #{type} #{line_code}", line_code: line_code}= diff_line_content(line.text)