1 files changed, 4 insertions, 1 deletions
diff --git a/Tool.h b/Tool.h
index a6c0ee0..56c1605 100644
--- a/Tool.h
+++ b/Tool.h
@@ -20,7 +20,10 @@ class Tool : public Object {
     }
     
     virtual GtkWidget* getImage() = 0;
-    virtual bool isSensitive() = 0;
+    
+    virtual bool isSensitive() const {
+      return true;
+    }
     
     virtual bool hoverFilter(const LevelObject &object) const = 0;