CVolumeBar: rework volumebar handling

Use CComponenets and separates the gui part from driver part

- add new class CVolumeBar as CComponentsForm
- Various changes for reworked volume bar handling in some classes
- Move AudioMute() from CVolume to new class CAudioMute
- Use CComponentsPicture to paint muteicon

src/gui/audiomute.h

@@ -0,0 +1,48 @@
+/*
+	Based up Neutrino-GUI - Tuxbox-Project
+	Copyright (C) 2001 by Steffen Hehn 'McClean'
+
+	audioMute - Neutrino-GUI
+	Copyright (C) 2013 M. Liebmann (micha-bbg)
+
+	License: GPL
+
+	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 St, Fifth Floor,
+	Boston, MA  02110-1301, USA.
+*/
+
+
+#ifndef __CAUDIOMUTE__
+#define __CAUDIOMUTE__
+
+#include <gui/components/cc.h>
+
+class CAudioMute
+{
+	private:
+		int mute_ay_old;
+		int mute_ax, mute_ay, mute_dx, mute_dy;
+		CComponentsPicture *mIcon;
+
+	public:
+
+		CAudioMute();
+		~CAudioMute();
+		static CAudioMute* getInstance();
+
+		void AudioMute(int newValue, bool isEvent= false);
+};
+
+#endif // __CAUDIOMUTE__