Index: sources/device/DeviceController.h
===================================================================
diff -u -rf38edd22f7b63694c21b83d6f4b69ea618390126 -r052c794d6a8db55a2fbfdad172275af073ee54c3
--- sources/device/DeviceController.h	(.../DeviceController.h)	(revision f38edd22f7b63694c21b83d6f4b69ea618390126)
+++ sources/device/DeviceController.h	(.../DeviceController.h)	(revision 052c794d6a8db55a2fbfdad172275af073ee54c3)
@@ -77,11 +77,13 @@
     bool init();
     bool init(QThread &vThread);
 
+    void doScreenshot(const QImage &vImage, const QString &vFileName);
+
 private slots:
     void quit();
     void onRemoveLogs(bool vInProgress);
+    void onScreenshot(const QImage &vImage, const QString &vFileName);
 
-
 protected:
     void timerEvent(QTimerEvent *) override;
 
@@ -101,6 +103,14 @@
 
 signals:
     /*!
+     * \brief   didScreenshot
+     * \details The screenshot signal to run the onScreenshot slot in device controller thread.
+     * \param   vImage      - The image source object
+     * \param   vFileName   - The filename to same the image to
+     */
+    void didScreenshot(const QImage &vImage, const QString &vFilenNme);
+
+    /*!
      * \brief   didUSBDriveMount
      * \details notifies UI when USB device is available and has been mounted.
      */