From 7557696d4893881baa45d22c16bcee371a4646ac Mon Sep 17 00:00:00 2001
From: Christian Muehlhaeuser <muesli@gmail.com>
Date: Fri, 7 Jun 2013 10:31:31 +0200
Subject: [PATCH] * Offer inverted gauge animations.

---
 src/libtomahawk/widgets/StatsGauge.cpp | 19 +++++++++++++++----
 src/libtomahawk/widgets/StatsGauge.h   |  3 +++
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/src/libtomahawk/widgets/StatsGauge.cpp b/src/libtomahawk/widgets/StatsGauge.cpp
index 499fba9f0..3bdc409f7 100644
--- a/src/libtomahawk/widgets/StatsGauge.cpp
+++ b/src/libtomahawk/widgets/StatsGauge.cpp
@@ -33,6 +33,7 @@
 
 StatsGauge::StatsGauge( QWidget* parent )
     : QProgressBar( parent )
+    , m_inverted( false )
 {
     QProgressBar::setValue( 0 );
     QProgressBar::setMaximum( 0 );
@@ -57,7 +58,9 @@ StatsGauge::paintEvent( QPaintEvent* event )
     p.setPen( pen );
 
     int fullCircle = 16 * 360;
-    p.drawArc( QRect( 12, 12, gaugeSize.width() - 24, gaugeSize.height() - 24 ), 4*360, (int)( -1.0 * (float)fullCircle * ( 1.0 - (float)value() / (float)maximum() ) ) );
+    float pct = m_inverted ? ( 1.0 - (float)value() / (float)maximum() ) : (float)value() / (float)maximum();
+
+    p.drawArc( QRect( 12, 12, gaugeSize.width() - 24, gaugeSize.height() - 24 ), 4*360, (int)( -1.0 * (float)fullCircle * pct ) );
 
     pen = QPen( TomahawkStyle::NOW_PLAYING_ITEM.darker() );
     pen.setWidth( 6 );
@@ -85,7 +88,7 @@ StatsGauge::paintEvent( QPaintEvent* event )
     p.setFont( font );
 
     textRect = QRect( 0, gaugeSize.height() / 2 - 32, gaugeSize.width(), 20 );
-    p.drawText( textRect, Qt::AlignCenter, maximum() > 0 ? QString( "out of %1" ).arg( maximum() ) : "-" );
+    p.drawText( textRect, Qt::AlignCenter, maximum() > 0 ? tr( "out of %1" ).arg( maximum() ) : "-" );
 
     if ( !m_text.isEmpty() )
     {
@@ -111,7 +114,7 @@ StatsGauge::paintEvent( QPaintEvent* event )
 void
 StatsGauge::setValue( int v )
 {
-    if ( maximum() == 0 )
+    if ( maximum() == 0 || v == 0 )
         return;
 
     QPropertyAnimation* a = new QPropertyAnimation( (QProgressBar*)this, "value" );
@@ -130,4 +133,12 @@ StatsGauge::setText( const QString& text )
 {
     m_text = text;
     repaint();
-}
\ No newline at end of file
+}
+
+
+void
+StatsGauge::setInvertedGauge( bool inverted )
+{
+    m_inverted = inverted;
+    repaint();
+}
diff --git a/src/libtomahawk/widgets/StatsGauge.h b/src/libtomahawk/widgets/StatsGauge.h
index dc7720d75..9e27e68d8 100644
--- a/src/libtomahawk/widgets/StatsGauge.h
+++ b/src/libtomahawk/widgets/StatsGauge.h
@@ -34,6 +34,8 @@ public:
     virtual QSize sizeHint() const { return m_sizeHint; }
     QString text() const { return m_text; }
 
+    void setInvertedGauge( bool inverted );
+
 public slots:
     void setValue( int value );
     void setText( const QString& text );
@@ -44,6 +46,7 @@ protected:
 private:
     QSize m_sizeHint;
     QString m_text;
+    bool m_inverted;
 };
 
 #endif //STATS_GAUGE_H