--- KeyboardPopupSwitcher.java	
+++ KeyboardPopupSwitcher.java	
@@ -60,6 +60,7 @@ 
 import org.netbeans.swing.popupswitcher.SwitcherTableItem;
 import org.openide.awt.StatusDisplayer;
 import org.openide.util.Utilities;
+import org.openide.windows.Mode;
 import org.openide.windows.WindowManager;
 
 /**
@@ -137,6 +138,10 @@ 
             return false;
         }
 
+        Mode activeMode = wmi.getActiveMode();
+        if( !wmi.isEditorMode(activeMode) )
+            return false;
+
         boolean isCtrlTab = kev.getKeyCode() == KeyEvent.VK_TAB &&
                 kev.getModifiers() == InputEvent.CTRL_MASK;
         boolean isCtrlShiftTab = kev.getKeyCode() == KeyEvent.VK_TAB &&