// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#include "wx/gdicmn.h"
#include "wx/colour.h"
+#include "wx/gdicmn.h"
#include "wx/gtk/private.h"
#include <gdk/gdk.h>
#define M_COLDATA ((wxColourRefData *)m_refData)
-#define SHIFT (8*(sizeof(short int)-sizeof(char)))
+// GDK's values are in 0..65535 range, our are in 0..255
+#define SHIFT 8
IMPLEMENT_DYNAMIC_CLASS(wxColour,wxGDIObject)