From kde-commits  Tue Aug 09 21:31:06 2011
From: Christian Esken <esken () kde ! org>
Date: Tue, 09 Aug 2011 21:31:06 +0000
To: kde-commits
Subject: KDE/kdemultimedia/kmix
Message-Id: <20110809213106.4647CAC871 () svn ! kde ! org>
X-MARC-Message: https://marc.info/?l=kde-commits&m=131292549819326

SVN commit 1246058 by esken:

FEATURE: 189995
Percentage of a volume change (MouseWheel, DBUS) can be configured in kmixrc (e.g.  VolumePercentageStep=2.5)

 M  +9 -0      apps/kmix.cpp  
 M  +5 -4      core/mixer.cpp  
 M  +1 -0      core/mixer.h  
 M  +1 -1      gui/kmixdockwidget.cpp  
 M  +2 -1      gui/ksmallslider.cpp  
 M  +2 -2      gui/mdwslider.cpp  


--- trunk/KDE/kdemultimedia/kmix/apps/kmix.cpp #1246057:1246058
@@ -434,6 +434,15 @@
     //}
     QString mixerIgnoreExpression = config.readEntry( "MixerIgnoreExpression", "Modem" );
     MixerToolBox::instance()->setMixerIgnoreExpression(mixerIgnoreExpression);
+
+    QString volumePercentageStepString = config.readEntry( "VolumePercentageStep" );
+    if ( ! volumePercentageStepString.isNull())
+    {
+    	float volumePercentageStep = volumePercentageStepString.toFloat();
+    	if ( volumePercentageStep > 0 && volumePercentageStep <= 100)
+    		Mixer::VOLUME_STEP_DIVISOR = (100 / volumePercentageStep);
+    }
+
     m_backendFilter = config.readEntry<>( "Backends", QList<QString>() );
     kDebug() << "Backends: " << m_backendFilter;
 
--- trunk/KDE/kdemultimedia/kmix/core/mixer.cpp #1246057:1246058
@@ -38,6 +38,7 @@
 QList<Mixer *> Mixer::s_mixers;
 MasterControl Mixer::_globalMasterCurrent;
 MasterControl Mixer::_globalMasterPreferred;
+float Mixer::VOLUME_STEP_DIVISOR = 20;
 
 
 int Mixer::numDrivers()
@@ -538,14 +539,14 @@
     if (md != 0) {
         Volume& volP=md->playbackVolume();
         if ( volP.hasVolume() ) {
-           double step = (volP.maxVolume()-volP.minVolume()+1) / 20;
+           double step = (volP.maxVolume()-volP.minVolume()+1) / Mixer::VOLUME_STEP_DIVISOR;
            if ( step < 1 ) step = 1;
            volP.changeAllVolumes(step);
         }
         
         Volume& volC=md->captureVolume();
         if ( volC.hasVolume() ) {
-           double step = (volC.maxVolume()-volC.minVolume()+1) / 20;
+           double step = (volC.maxVolume()-volC.minVolume()+1) / Mixer::VOLUME_STEP_DIVISOR;
            if ( step < 1 ) step = 1;
            volC.changeAllVolumes(step);
         }
@@ -566,14 +567,14 @@
     if (md != 0) {
         Volume& volP=md->playbackVolume();
         if ( volP.hasVolume() ) {
-           double step = (volP.maxVolume()-volP.minVolume()+1) / 20;
+           double step = (volP.maxVolume()-volP.minVolume()+1) / Mixer::VOLUME_STEP_DIVISOR;
            if ( step < 1 ) step = 1;
            volP.changeAllVolumes(-step);
         }
         
         Volume& volC=md->captureVolume();
         if ( volC.hasVolume() ) {
-           double step = (volC.maxVolume()-volC.minVolume()+1) / 20;
+           double step = (volC.maxVolume()-volC.minVolume()+1) / Mixer::VOLUME_STEP_DIVISOR;
            if ( step < 1 ) step = 1;
            volC.changeAllVolumes(-step);
         }
--- trunk/KDE/kdemultimedia/kmix/core/mixer.h #1246057:1246058
@@ -158,6 +158,7 @@
     /// get the actual MixSet
     MixSet getMixSet();
 
+    static float VOLUME_STEP_DIVISOR;
 
     /// DBUS oriented methods
     virtual void increaseVolume( const QString& mixdeviceID );
--- trunk/KDE/kdemultimedia/kmix/gui/kmixdockwidget.cpp #1246057:1246058
@@ -389,7 +389,7 @@
   if ( md != 0 )
   {
       Volume &vol = ( md->playbackVolume().hasVolume() ) ?  md->playbackVolume() : md->captureVolume();
-      int inc = vol.maxVolume() / 20;
+      int inc = vol.maxVolume() / Mixer::VOLUME_STEP_DIVISOR;
 
     if ( inc < 1 ) inc = 1;
 
--- trunk/KDE/kdemultimedia/kmix/gui/ksmallslider.cpp #1246057:1246058
@@ -34,6 +34,7 @@
 
 #include "kglobalsettings.h"
 #include "ksmallslider.h"
+#include "core/mixer.h"
 
 KSmallSlider::KSmallSlider( int minValue, int maxValue, int pageStep,
                   int value, Qt::Orientation orientation,
@@ -309,7 +310,7 @@
 void KSmallSlider::wheelEvent( QWheelEvent * e)
 {
 //    kDebug(67100) << "KSmallslider::wheelEvent()";
-    int inc = ( maximum() - minimum() ) / 20;
+    int inc = ( maximum() - minimum() ) / Mixer::VOLUME_STEP_DIVISOR;
     if ( inc < 1)
 	inc = 1;
 
--- trunk/KDE/kdemultimedia/kmix/gui/mdwslider.cpp #1246057:1246058
@@ -991,7 +991,7 @@
 void MDWSlider::increaseOrDecreaseVolume(bool decrease)
 {
 	Volume& volP = m_mixdevice->playbackVolume();
-	long inc = volP.maxVolume() / 20;
+	long inc = volP.maxVolume() / Mixer::VOLUME_STEP_DIVISOR;
 	if ( inc == 0 )	inc = 1;
 	if ( decrease ) inc *= -1;
 	if ( mixDevice()->id() == "Headphone:0" )
@@ -1007,7 +1007,7 @@
 	    volP.changeAllVolumes(inc);
 
 	Volume& volC = m_mixdevice->captureVolume();
-	inc = volC.maxVolume() / 20;
+	inc = volC.maxVolume() / Mixer::VOLUME_STEP_DIVISOR;
 	if ( inc == 0 ) inc = 1;
 	if ( decrease ) inc *= -1;
 	volC.changeAllVolumes(inc);