* Added alphaBlend method to TomahawkUtils. DRY.

src/libtomahawk/playlist/playlistitemdelegate.cpp

@@ -76,24 +76,16 @@ PlaylistItemDelegate::paint( QPainter* painter, const QStyleOptionViewItem& opti
         return;
 
     float opacity = 0.0;
-    painter->save();
     if ( item->query()->results().count() )
         opacity = item->query()->results().first()->score();
 
-    QColor textcol, bgcol;
-    textcol = option.palette.color( QPalette::Foreground );
-    bgcol = option.palette.color( QPalette::Background );
-
     opacity = qMax( (float)0.3, opacity );
-    int r = textcol.red(), g = textcol.green(), b = textcol.blue();
+    QColor textColor = TomahawkUtils::alphaBlend( option.palette.color( QPalette::Foreground ), option.palette.color( QPalette::Background ), opacity );
-    r = opacity * r + ( 1 - opacity ) * bgcol.red();
-    g = opacity * g + ( 1 - opacity ) * bgcol.green();
-    b = opacity * b + ( 1 - opacity ) * bgcol.blue();
-    textcol = QColor( r, g, b );
 
     if ( item->isPlaying() )
     {
 //        painter->setRenderHint( QPainter::Antialiasing );
+        painter->save();
 
         {
             QRect r = option.rect.adjusted( 3, 0, 0, 0 );
@@ -120,18 +112,18 @@ PlaylistItemDelegate::paint( QPainter* painter, const QStyleOptionViewItem& opti
             painter->setPen( pen );
             painter->drawRoundedRect( r, 3.0, 3.0 );
         }
+
+        painter->restore();
     }
     else
     {
         if ( const QStyleOptionViewItem *vioption = qstyleoption_cast<const QStyleOptionViewItem *>(&option))
         {
             QStyleOptionViewItemV4 o( *vioption );
-            o.palette.setColor( QPalette::Text, textcol );
+            o.palette.setColor( QPalette::Text, textColor );
             QStyledItemDelegate::paint( painter, o, index );
         }
         else
             QStyledItemDelegate::paint( painter, option, index );
     }
-
-    painter->restore();
 }

src/libtomahawk/playlist/treeitemdelegate.cpp

@@ -66,6 +66,18 @@ TreeItemDelegate::paint( QPainter* painter, const QStyleOptionViewItem& option,
     }
     else if ( !item->result().isNull() )
     {
+        float opacity = item->result()->score();
+
+        opacity = qMax( (float)0.3, opacity );
+        QColor textColor = TomahawkUtils::alphaBlend( option.palette.color( QPalette::Foreground ), option.palette.color( QPalette::Background ), opacity );
+
+        if ( const QStyleOptionViewItem *vioption = qstyleoption_cast<const QStyleOptionViewItem *>(&option))
+        {
+            QStyleOptionViewItemV4 o( *vioption );
+            o.palette.setColor( QPalette::Text, textColor );
+            return QStyledItemDelegate::paint( painter, o, index );
+        }
+        else
             return QStyledItemDelegate::paint( painter, option, index );
     }
 
@@ -99,7 +111,7 @@ TreeItemDelegate::paint( QPainter* painter, const QStyleOptionViewItem& option,
     text = painter->fontMetrics().elidedText( text, Qt::ElideRight, r.width() );
     painter->drawText( r, text, to );
 
-    painter->setFont( boldFont );
+//    painter->setFont( boldFont );
 
     painter->restore();
 }

src/libtomahawk/utils/tomahawkutils.cpp

@@ -19,6 +19,7 @@
 #include "tomahawkutils.h"
 
 #include <QCoreApplication>
+#include <QColor>
 #include <QDateTime>
 #include <QDebug>
 #include <QDir>
@@ -265,6 +266,19 @@ extensionToMimetype( const QString& extension )
 }
 
 
+QColor
+alphaBlend( const QColor& colorFrom, const QColor& colorTo, float opacity )
+{
+    opacity = qMax( (float)0.3, opacity );
+    int r = colorFrom.red(), g = colorFrom.green(), b = colorFrom.blue();
+    r = opacity * r + ( 1 - opacity ) * colorTo.red();
+    g = opacity * g + ( 1 - opacity ) * colorTo.green();
+    b = opacity * b + ( 1 - opacity ) * colorTo.blue();
+
+    return QColor( r, g, b );
+}
+
+
 QPixmap
 createDragPixmap( int itemCount )
 {

src/libtomahawk/utils/tomahawkutils.h

@@ -25,6 +25,7 @@
 
 #define RESPATH ":/data/"
 
+class QColor;
 class QDir;
 class QDateTime;
 class QString;
@@ -89,6 +90,7 @@ namespace TomahawkUtils
     DLLEXPORT QString filesizeToString( unsigned int size );
     DLLEXPORT QString extensionToMimetype( const QString& extension );
 
+    DLLEXPORT QColor alphaBlend( const QColor& colorFrom, const QColor& colorTo, float opacity );
     DLLEXPORT QPixmap createDragPixmap( int itemCount = 1 );
 
     DLLEXPORT QNetworkAccessManager* nam();