--- a/ui/certificate.h	Mon Sep 29 13:02:41 2014 +0200
+++ b/ui/certificate.h	Mon Sep 29 13:12:58 2014 +0200
@@ -161,6 +161,19 @@
     friend inline bool operator==(const Certificate& lhs, const Certificate& rhs) {
         return lhs.base64Line() == rhs.base64Line();
     }
+
+    /** @brief Show the certificate in a native ui dialog.
+     *
+     * The dialog is external and handled by the OS on windows
+     * on GNU/Linux gcr-viewer is used.
+     *
+     * If parentWindow is not NULL it is used as a handle to the
+     * parent Window. Unused on GNU/Linux
+     *
+     * @returns true on success. false if no native dialog could be shown.
+     */
+     bool showNativeUI(void *parentWindow);
+
 private:
     /** @brief Helper function to parse the details of a certificate **/
     void parseDetails(const QByteArray& cert);