X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSeqPanel.java;h=3266fabf5631a665138d9e9f7feb574d451a8434;hb=6631ee3334607cc5e0b670191f9df048c157325a;hp=bae80dbcc72dcd34c9ab714217afefb8a4553471;hpb=853624fb32058cccc544ae7d13af6ad4b0800b6c;p=jalview.git

diff --git a/src/jalview/gui/SeqPanel.java b/src/jalview/gui/SeqPanel.java
index bae80db..3266fab 100644
--- a/src/jalview/gui/SeqPanel.java
+++ b/src/jalview/gui/SeqPanel.java
@@ -616,13 +616,14 @@ public class SeqPanel extends JPanel implements MouseListener,
       return;
     }
 
-    if (evt.isShiftDown() || evt.isAltDown() || evt.isControlDown())
+    boolean isControlDown = Platform.isControlDown(evt);
+    if (evt.isShiftDown() || isControlDown)
     {
-      if (evt.isAltDown() || evt.isControlDown())
+      editingSeqs = true;
+      if (isControlDown)
       {
         groupEditing = true;
       }
-      editingSeqs = true;
     }
     else
     {