add a useful comment

diff --git a/alg/glseqbrowser.cpp b/alg/glseqbrowser.cpp
index 5d93c6ce6087b4f9ef2b3d54d2365da20b77b149..04cc792ec441e3eeb375fb2ac47bf842d509b3c0 100644 (file)
--- a/alg/glseqbrowser.cpp
+++ b/alg/glseqbrowser.cpp
@@ -704,12 +704,14 @@ void GlSeqBrowser::draw_segments() const
                        back_inserter(selected));
 
       if (not s.reversed) {
                        back_inserter(selected));
 
       if (not s.reversed) {

+        // forward

         if (selected_paths.size() == 0 or selected.size() > 0) {
           glColor4f(1.0, 0.0, 0.0, 1.0);
         } else {
           glColor4f(1.0, 0.7, 0.7, 0.4);
         }
       } else { 
         if (selected_paths.size() == 0 or selected.size() > 0) {
           glColor4f(1.0, 0.0, 0.0, 1.0);
         } else {
           glColor4f(1.0, 0.7, 0.7, 0.4);
         }
       } else { 

+        // reverse

         if (selected_paths.size() == 0 or selected.size() > 0) {
           glColor4f(0.0, 0.0, 1.0, 1.0);
         } else {
         if (selected_paths.size() == 0 or selected.size() > 0) {
           glColor4f(0.0, 0.0, 1.0, 1.0);
         } else {