added xlib implementation for ecore_x_default_screen_get

SVN revision: 40511

legacy/ecore/src/lib/ecore_x/xlib/ecore_x.c

@@ -565,6 +565,17 @@ ecore_x_fd_get(void)
    return ConnectionNumber(_ecore_x_disp);
 }
 
+/**
+ * Retrieves the Ecore_X_Screen handle used for the current X connection.
+ * @return  The current default screen.
+ * @ingroup Ecore_Xcb_Display_Attr_Group
+ */
+EAPI Ecore_X_Screen*
+ecore_x_default_screen_get(void)
+{
+   return (Ecore_X_Screen*) DefaultScreenOfDisplay(_ecore_x_disp);
+}
+
 /**
  * Sets the timeout for a double and triple clicks to be flagged.
  *