Paint the cursor position border if multiple lines are selected

When multi cursors and zero width column selection is involved, there are some edge cases where the border does not include the last selected line in the document. But I guess this implementation should be good enough.

Support/app/views/annotate/_content.html.erb

@@ -2,9 +2,21 @@
   # puts annotations.inspect
   last_formatted_line = {}
 
+  range_min, range_max = selected_line_range
+
   formatted_annotations = annotations.map do |annotation|
     line_class = []
-    line_class << "selected" if ENV["TM_LINE_NUMBER"].to_i == annotation[:ln].to_i
+
+    if (range_min == range_max) && range_min == annotation[:ln].to_i
+      line_class << "selected"
+    elsif range_min == annotation[:ln].to_i
+      line_class << "ranged-top"
+    elsif range_max == annotation[:ln].to_i
+      line_class << "ranged-bottom"
+    elsif annotation[:ln].to_i.between?(range_min, range_max)
+      line_class << "ranged-middle"
+    end
+
     line_class << "ins" if annotation[:rev] == "-current-" || annotation[:rev] == revision
     line_class = line_class * " "
     formatted_line = {

Support/resource/style.css

@@ -710,8 +710,22 @@ table.codediff td.hidden del { display:none; }
 table.codediff td.del { background: #fdd; }
 table.codediff td.ins { background: #dfd; }
 table.codediff td.selected { 
-		border: 5px solid #aaf !important;
-	}
+  border: 5px solid #aaf !important;
+}
+table.codediff td.ranged-top {
+  border-top: 5px solid #aaf !important;
+  border-right: 5px solid #aaf !important;
+  border-left: 5px solid #aaf !important;
+}
+table.codediff td.ranged-middle {
+  border-right: 5px solid #aaf !important;
+  border-left: 5px solid #aaf !important;
+}
+table.codediff td.ranged-bottom {
+  border-right: 5px solid #aaf !important;
+  border-bottom: 5px solid #aaf !important;
+  border-left: 5px solid #aaf !important;
+}
 table.sidebyside tbody.mod td { background: #fe9; }
 table.sidebyside tbody.mod td { background: #fe9; }
 table.sidebyside tbody.mod td ins, table.sidebyside tbody.mod td del{ background: #fd4; }