When we click on "Audio Setup", calls kcm_pulseaudio

(as the plasma audio plug-in do).

Revert 8fec379c
and replace the call of kcm_phonon, to kcm_pulseaudio, because kcm_phonon just works on KDE4

The patch was adapted for kmixwindow.cpp instead kmix.cpp

apps/kmixwindow.cpp

@@ -37,6 +37,7 @@
 #include <klocalizedstring.h>
 #include <kstandardaction.h>
 #include <kxmlguifactory.h>
+#include <KProcess>
 
 // KMix
 #include "kmix_debug.h"
@@ -174,7 +175,11 @@ void KMixWindow::initActions()
 	KStandardAction::keyBindings(guiFactory(), SLOT(configureShortcuts()), actionCollection());
 #endif
 
-	QAction* action = actionCollection()->addAction(QStringLiteral("hide_kmixwindow"));
+	QAction* action = actionCollection()->addAction(QStringLiteral("launch_kdesoundsetup"));
+	action->setText(i18n("Audio Setup..."));
+	connect(action, SIGNAL(triggered(bool)), SLOT(slotKdeAudioSetupExec()));
+
+	action = actionCollection()->addAction(QStringLiteral("hide_kmixwindow"));
 	action->setText(i18n("Hide Mixer Window"));
 	connect(action, SIGNAL(triggered(bool)), SLOT(hideOrClose()));
 	actionCollection()->setDefaultShortcut(action, Qt::Key_Escape);
@@ -1156,6 +1161,21 @@ void KMixWindow::toggleMenuBar()
 	menuBar()->setVisible(_actionShowMenubar->isChecked());
 }
 
+void KMixWindow::slotKdeAudioSetupExec()
+{
+    forkExec(QStringList() << "kcmshell5" << "kcm_pulseaudio");
+}
+
+void KMixWindow::forkExec(const QStringList& args)
+{
+   int pid = KProcess::startDetached(args);
+   if (pid == 0)
+   {
+       KMessageBox::error(this, i18n("The helper application is either not installed or not working.\n\n%1",
+                         args.join(QLatin1String(" "))));
+   }
+}
+
 void KMixWindow::slotConfigureCurrentView()
 {
 	KMixerWidget *mw = qobject_cast<KMixerWidget *>(m_wsMixers->currentWidget());

apps/kmixwindow.h

@@ -88,6 +88,7 @@ protected slots:
 
 private:
     KMixerWidget* findKMWforTab( const QString& tabId );
+    void forkExec(const QStringList& args);
     KToggleAction* _actionShowMenubar;
 
    bool m_startVisible;
@@ -120,6 +121,7 @@ private:
     static QString getKmixctrlRcFilename(const QString &postfix);
 
 private slots:
+   void slotKdeAudioSetupExec();
    void slotConfigureCurrentView();
 
    void plugged(const char *driverName, const QString &udi, int dev);

desktop/kmixui.rc

@@ -16,6 +16,7 @@
  <Menu name="settings">
      <Action name="toggle_channels_currentview" append="save_merge"/>
      <Action name="select_master" append="save_merge"/>
+     <Action name="launch_kdesoundsetup" append="save_merge"/>
  </Menu>
  <Menu name="help" append="about_merge"><text>&amp;Help</text>
   <Action name="hwinfo"/>