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From ff429cc9fd0889e632a7916b263bed4e4a64d4e1 Mon Sep 17 00:00:00 2001
From: Christian Esken <esken@kde.org>
Date: Tue, 5 Feb 2013 00:30:57 +0100
Subject: [PATCH 3/8] Global Keyboard Shortcuts XF86Audio* now only affect
 EITHER playback OR capture BUGS: 300783

---
 apps/kmix.cpp      | 10 ++++------
 core/mixdevice.cpp | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 core/mixdevice.h   |  1 +
 gui/mdwslider.cpp  | 46 +++++-----------------------------------------
 4 files changed, 58 insertions(+), 47 deletions(-)

diff --git a/apps/kmix.cpp b/apps/kmix.cpp
index dd2861a..8e1fa5e 100644
--- a/apps/kmix.cpp
+++ b/apps/kmix.cpp
@@ -1133,12 +1133,10 @@ KMixWindow::increaseOrDecreaseVolume(bool increase)
   if (md.get() == 0)
     return; // shouldn't happen, but lets play safe
 
-  md->setMuted(false);
-  if (increase)
-    mixer->increaseVolume(md->id()); // this is awkward. Better move the increaseVolume impl to the Volume class.
-  else
-    mixer->decreaseVolume(md->id());
-  // md->playbackVolume().increase(); // not yet implemented
+  Volume::VolumeTypeFlag volumeType = md->playbackVolume().hasVolume() ? Volume::Playback : Volume::Capture;
+  md->increaseOrDecreaseVolume(!increase, volumeType);
+  md->mixer()->commitVolumeChange(md);
+
   showVolumeDisplay();
 }
 
diff --git a/core/mixdevice.cpp b/core/mixdevice.cpp
index 662fd85..06b883e 100644
--- a/core/mixdevice.cpp
+++ b/core/mixdevice.cpp
@@ -164,6 +164,54 @@ shared_ptr<MixDevice> MixDevice::addToPool()
 
 
 /**
+ * Changes the internal state of this MixDevice.
+ * It does not commit the change to the hardware.
+ *
+ * You might want to call something like m_mixdevice->mixer()->commitVolumeChange(m_mixdevice); after calling this method.
+ */
+void MixDevice::increaseOrDecreaseVolume(bool decrease, Volume::VolumeTypeFlag volumeType)
+{
+	bool debugme =  id() == "PCM:0" ;
+	if (volumeType & Volume::Playback)
+	{
+		kDebug() << "VolumeType=" << volumeType << "   p";
+		Volume& volP = playbackVolume();
+		long inc = volP.volumeStep(decrease);
+
+		if (debugme)
+		  kDebug() << ( decrease ? "decrease by " : "increase by " ) << inc ;
+
+		if (!decrease && isMuted())
+		{
+			// increasing from muted state: unmute and start with a low volume level
+			if (debugme)
+				kDebug() << "set all to " << inc << "muted old=" << isMuted();
+
+			setMuted(false);
+			volP.setAllVolumes(inc);
+		}
+		else
+		{
+			volP.changeAllVolumes(inc);
+			if (debugme)
+				kDebug() << (decrease ? "decrease by " : "increase by ") << inc;
+		}
+	}
+
+	if (volumeType & Volume::Capture)
+	{
+		kDebug() << "VolumeType=" << volumeType << "   c";
+
+		Volume& volC = captureVolume();
+		long inc = volC.volumeStep(decrease);
+		volC.changeAllVolumes(inc);
+	}
+
+}
+
+
+
+/**
  * Returns the name of the config group
  * @param Prefix of the group, e.g. "View_ALSA_USB_01"
  * @returns The config group name in the format "prefix.mixerId,controlId"
diff --git a/core/mixdevice.h b/core/mixdevice.h
index 556f809..177c3b2 100644
--- a/core/mixdevice.h
+++ b/core/mixdevice.h
@@ -216,6 +216,7 @@ public:
    bool write( KConfig *config, const QString& grp );
    int getUserfriendlyVolumeLevel();
 
+   void increaseOrDecreaseVolume(bool decrease, Volume::VolumeTypeFlag volumeType);
 
 
 protected:
diff --git a/gui/mdwslider.cpp b/gui/mdwslider.cpp
index 7c14673..5572d63 100644
--- a/gui/mdwslider.cpp
+++ b/gui/mdwslider.cpp
@@ -959,7 +959,8 @@ void MDWSlider::setDisabled( bool value )
 
 
 /**
- * This slot is called on a Keyboard Shortcut event.
+ * This slot is called on a Keyboard Shortcut event, except for the XF86Audio* shortcuts which hare handeled by the
+ * KMixWindow class. So for 99.9% of all users, this methos is never called.
  */
 void MDWSlider::increaseVolume()
 {
@@ -967,7 +968,8 @@ void MDWSlider::increaseVolume()
 }
 
 /**
- * This slot is called on a Keyboard Shortcut event.
+ * This slot is called on a Keyboard Shortcut event, except for the XF86Audio* shortcuts which hare handeled by the
+ * KMixWindow class. So for 99.9% of all users, this methos is never called.
  */
 void MDWSlider::decreaseVolume()
 {
@@ -984,43 +986,7 @@ void MDWSlider::decreaseVolume()
  */
 void MDWSlider::increaseOrDecreaseVolume(bool decrease, Volume::VolumeTypeFlag volumeType)
 {
-	kDebug() << "VolumeType=" << volumeType;
-	if (volumeType & Volume::Playback)
-	{
-		kDebug() << "VolumeType=" << volumeType << "   p";
-		Volume& volP = m_mixdevice->playbackVolume();
-		long inc = volP.volumeStep(decrease);
-
-		if ( mixDevice()->id() == "PCM:0" )
-		  kDebug() << ( decrease ? "decrease by " : "increase by " ) << inc ;
-
-		if (!decrease && m_mixdevice->isMuted())
-		{
-			// increasing from muted state: unmute and start with a low volume level
-			if (mixDevice()->id() == "PCM:0")
-				kDebug() << "set all to " << inc << "muted old=" << m_mixdevice->isMuted();
-
-			m_mixdevice->setMuted(false);
-			volP.setAllVolumes(inc);
-		}
-		else
-		{
-			volP.changeAllVolumes(inc);
-			if (mixDevice()->id() == "PCM:0")
-				kDebug()
-				<< (decrease ? "decrease by " : "increase by ") << inc;
-		}
-	}
-
-	if (volumeType & Volume::Capture)
-	{
-		kDebug() << "VolumeType=" << volumeType << "   c";
-
-		Volume& volC = m_mixdevice->captureVolume();
-		long inc = volC.volumeStep(decrease);
-		volC.changeAllVolumes(inc);
-	}
-
+	m_mixdevice->increaseOrDecreaseVolume(decrease, volumeType);
 	// I should possibly not block, as the changes that come back from the Soundcard
 	//      will be ignored (e.g. because of capture groups)
 // 	kDebug() << "MDWSlider is blocking signals for " << m_view->id();
@@ -1030,8 +996,6 @@ void MDWSlider::increaseOrDecreaseVolume(bool decrease, Volume::VolumeTypeFlag v
 // 	m_view->blockSignals(oldViewBlockSignalState);
 }
 
-
-
 void MDWSlider::moveStreamAutomatic()
 {
     m_mixdevice->mixer()->moveStream(m_mixdevice->id(), "");
-- 
1.8.1.4