Add support for modules to use Dock widgets to show the result.

Add PSNR measurement as an example

source/app/ModuleHandleDock.h

@@ -0,0 +1,69 @@
+/*    This file is a part of plaYUVer project
+ *    Copyright (C) 2014  by Luis Lucas      (luisfrlucas@gmail.com)
+ *                           Joao Carreira   (jfmcarreira@gmail.com)
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License along
+ *   with this program; if not, write to the Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/**
+ * \file     ModuleHandleDock.h
+ * \brief    Module handle dock
+ */
+
+#ifndef __MODULEHANDLEDOCK_H__
+#define __MODULEHANDLEDOCK_H__
+
+#include "config.h"
+#include "PlaYUVerDefs.h"
+#if( QT_VERSION_PLAYUVER == 5 )
+#include <QtWidgets>
+#elif( QT_VERSION_PLAYUVER == 4 )
+#include <QtGui>
+#include <QWidget>
+#endif
+
+
+namespace plaYUVer
+{
+
+class PlaYUVerModuleIf;
+
+class ModuleHandleDock: public QWidget
+{
+Q_OBJECT
+public:
+  ModuleHandleDock( QWidget* parent, PlaYUVerModuleIf* moduleIf );
+  ~ModuleHandleDock();
+
+  Void setModulueReturnValue( Double value );
+
+  QSize sizeHint() const;
+
+private:
+
+  PlaYUVerModuleIf* m_pcCurrModuleIf;
+
+  Bool m_bIsVisible;
+  QLabel* labelModulueValueLabel;
+  QLabel* labelModulueReturnValue;
+
+public Q_SLOTS:
+  void visibilityChangedSlot( bool );
+
+};
+
+}   // NAMESPACE
+
+#endif // __MODULEHANDLEDOCK_H__