From 4b2720ed4f29c2d7c66cf62aa603fa253f49d8df Mon Sep 17 00:00:00 2001
From: Jonas Suhr Christensen <jsc@umbraculum.org>
Date: Thu, 17 Apr 2014 13:56:35 +0200
Subject: Added values to signals.

---
 dgedit/volumefader.cc | 21 ++++++++++++++++++++-
 dgedit/volumefader.h  | 12 ++++++++++++
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/dgedit/volumefader.cc b/dgedit/volumefader.cc
index 9a153a6..c7cb9d0 100644
--- a/dgedit/volumefader.cc
+++ b/dgedit/volumefader.cc
@@ -29,10 +29,20 @@
 #include <QSlider>
 #include <QVBoxLayout>
 
+#include <math.h>
+
+#define SCALAR 10
+
 VolumeFader::VolumeFader() 
 {
+  volslider = new QSlider();
+  volslider->setRange(-60 * SCALAR , 10 * SCALAR);
+  
+  connect(volslider, SIGNAL(valueChanged(int)), this, SLOT(handleValueChanged()));
+
   QVBoxLayout* lo = new QVBoxLayout();
-  lo->addWidget(new QSlider());
+  lo->addWidget(volslider);
+  
   setLayout(lo);
 }
 
@@ -59,3 +69,12 @@ void VolumeFader::setVolumePower(double vol)
 {
 
 }
+
+void VolumeFader::handleValueChanged() 
+{
+  double db = ((double)volslider->value())/((double)SCALAR);
+  double power = pow(10, db/10);
+//  printf("Volume %f db, %f power\n", vol, pow(10, vol/10));
+  emit volumeChangedDb(db);
+  emit volumeChangedPower(power);
+}
diff --git a/dgedit/volumefader.h b/dgedit/volumefader.h
index 51ff953..33dfc2b 100644
--- a/dgedit/volumefader.h
+++ b/dgedit/volumefader.h
@@ -28,6 +28,9 @@
 #define __DRUMGIZMO_VOLUMEFADER_H__
 
 #include <QWidget>
+#include <QSlider>
+
+#include <stdio.h>
 
 class VolumeFader : public QWidget {
 Q_OBJECT
@@ -35,15 +38,24 @@ public:
   VolumeFader();
   ~VolumeFader();
 
+  void volumeDb();
+  void volumePower();
+
 public slots:
   void updatePeakDb(double vol);
   void updatePeakPower(double vol);
   void setVolumeDb(double vol);
   void setVolumePower(double vol);
 
+private slots:
+  void handleValueChanged();
+
 signals:
   void volumeChangedDb(double vol);
   void volumeChangedPower(double vol);
+
+private:
+  QSlider *volslider;
 };
 
 #endif/*__DRUMGIZMO_VOLUMEFADER_H__*/
-- 
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