--- a/src/pngplayer.h	Wed May 06 17:17:13 2015 +0200
+++ b/src/pngplayer.h	Wed May 06 18:09:34 2015 +0200
@@ -24,6 +24,12 @@
 public:
     PNGPlayer (QWidget * parent = 0, Qt::WindowFlags f = 0);
 
+    /**@brief close the player 
+     *
+     * This function makes sure that the png label is also
+     * closed when detached.
+     **/
+    void close();
 protected:
     void setupGUI();
 
@@ -68,6 +74,9 @@
     /**@brief the speed bar was changed */
     void speedChanged();
 
+    /**@brief detach the actual picture as fullscreen */
+    void togglePicFullscreen();
+
 Q_SIGNALS:
     /** @brief Emited if something went wrong. e.g. file not readable */
     void error(const QString& msg);