diff --git a/src/display.cxx b/src/display.cxx
index 2baf336..895b76d 100644
--- a/src/display.cxx
+++ b/src/display.cxx
@@ -17,6 +17,12 @@ Display::getDisplay ()
   return display;
 }
 
+bool
+Display::isWide ()
+{
+  return this->getWidth () > this->getLogicWidth ();
+}
+
 void
 Display::readDisplaySize ()
 {
diff --git a/src/display.h b/src/display.h
index 1f77349..9a2c6ae 100644
--- a/src/display.h
+++ b/src/display.h
@@ -15,6 +15,7 @@ private:
 public:
   static Display & getDisplay ();
 
+  bool   isWide ();
   void   readDisplaySize ();
   void   setDisplaySize (Sint32 w, Sint32 h);
   Sint32 getWidth ();