1 files changed, 50 insertions, 0 deletions
diff --git a/muse2/awl/midivolentry.cpp b/muse2/awl/midivolentry.cpp
new file mode 100644
index 00000000..0b74afcc
--- /dev/null
+++ b/muse2/awl/midivolentry.cpp
@@ -0,0 +1,50 @@
+//=============================================================================
+//  Awl
+//  Audio Widget Library
+//  $Id:$
+//
+//  Copyright (C) 2002-2006 by Werner Schweer and others
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License version 2.
+//
+//  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//=============================================================================
+
+#include "fastlog.h"
+#include "midivolentry.h"
+
+namespace Awl {
+
+//---------------------------------------------------------
+//   MidiVolEntry
+//---------------------------------------------------------
+
+MidiVolEntry::MidiVolEntry(QWidget* parent)
+   : FloatEntry(parent)
+      {
+  	_max = 127;
+      setRange(-98.0f, 0.0f);
+      setSpecialText(tr("off"));
+      setSuffix(tr("db"));
+      setFrame(true);
+      setPrecision(0);
+      }
+
+//---------------------------------------------------------
+//   setValue
+//---------------------------------------------------------
+
+void MidiVolEntry::setValue(double v)
+      {
+      FloatEntry::setValue(-fast_log10(double(_max*_max)/(v*v))*20.0f);
+      }
+}
+