fixes for the QT4 slider controls

src/audiomixerboard.cpp

@@ -58,11 +58,11 @@ CChannelFader::CChannelFader ( QWidget*     pNW,
 
     // add help text to controls
     pFader->setWhatsThis ( "<b>Mixer Fader:</b> Adjusts the audio level of this "
-		"channel. All connected clients at the server will be assigned an audio "
-		"fader at each client" );
+        "channel. All connected clients at the server will be assigned an audio "
+        "fader at each client" );
 
     pLabel->setWhatsThis ( "<b>Mixer Fader Label:</b> Label (fader tag) identifying "
-		"the connected client. The tag name can be set in the clients main window." );
+        "the connected client. The tag name can be set in the clients main window." );
 
 
     // connections -------------------------------------------------------------
@@ -73,9 +73,8 @@ CChannelFader::CChannelFader ( QWidget*     pNW,
 void CChannelFader::OnValueChanged ( int value )
 {
     // convert actual slider range in gain values
-    // reverse linear scale and normalize so that maximum gain is 1
-    const double dCurGain =
-        static_cast<double> ( AUD_MIX_FADER_MAX - value ) / AUD_MIX_FADER_MAX;
+    // and normalize so that maximum gain is 1
+    const double dCurGain = static_cast<double> ( value ) / AUD_MIX_FADER_MAX;
 
     emit valueChanged ( dCurGain );
 }

src/audiomixerboard.h

@@ -65,7 +65,7 @@ public:
     bool IsVisible() { return pLabel->isVisible(); }
 
      // init gain value -> maximum value as definition according to server
-    void ResetGain() { pFader->setValue ( 0 ); }
+    void ResetGain() { pFader->setValue ( AUD_MIX_FADER_MAX ); }
 
 protected:
     QGridLayout*    pMainGrid;

src/client.cpp

@@ -176,6 +176,7 @@ void CClient::run()
 #ifdef _WIN32
     SetThreadPriority ( GetCurrentThread(), THREAD_PRIORITY_ABOVE_NORMAL );
 #else
+/*
     // set the process to realtime privs, taken from
     // "http://www.gardena.net/benno/linux/audio" but does not seem to work,
     // maybe a problem with user rights
@@ -183,6 +184,7 @@ void CClient::run()
     memset ( &schp, 0, sizeof ( schp ) );
     schp.sched_priority = sched_get_priority_max ( SCHED_FIFO );
     sched_setscheduler ( 0, SCHED_FIFO, &schp );
+*/
 #endif
 
     // init object

src/llconclientdlg.cpp

@@ -121,7 +121,7 @@ CLlconClientDlg::CLlconClientDlg ( CClient* pNCliP, QWidget* parent )
     // audio reverberation
     SliderAudReverb->setRange ( 0, AUD_REVERB_MAX );
     const int iCurAudReverb = pClient->GetReverbLevel();
-    SliderAudReverb->setValue ( AUD_REVERB_MAX - iCurAudReverb );
+    SliderAudReverb->setValue ( iCurAudReverb );
     SliderAudReverb->setTickInterval ( AUD_REVERB_MAX / 9 );
 
 
@@ -244,11 +244,8 @@ void CLlconClientDlg::OnConnectDisconBut()
         // set address and check if address is valid
         if ( pClient->SetServerAddr ( LineEditServerAddr->text() ) )
         {
-#if ( QT_VERSION > 300 )
             pClient->start ( QThread::TimeCriticalPriority );
-#else
-            pClient->start();
-#endif
+
             PushButtonConnect->setText ( CON_BUT_DISCONNECTTEXT );
 
             // start timer for level meter bar

src/llconclientdlg.h

@@ -91,11 +91,10 @@ public slots:
     void OnTimerSigMet();
     void OnTimerStatus() { UpdateDisplay(); }
     void OnOpenGeneralSettings();
-    void OnSliderAudInFader ( int value ) { pClient->SetAudioInFader(value); }
-    void OnSliderAudReverb ( int value )
-        { pClient->SetReverbLevel ( AUD_REVERB_MAX - value ); }
-    void OnRevSelL() { pClient->SetReverbOnLeftChan(true); }
-    void OnRevSelR() { pClient->SetReverbOnLeftChan(false); }
+    void OnSliderAudInFader ( int value ) { pClient->SetAudioInFader ( value ); }
+    void OnSliderAudReverb ( int value ) { pClient->SetReverbLevel ( value ); }
+    void OnRevSelL() { pClient->SetReverbOnLeftChan ( true ); }
+    void OnRevSelR() { pClient->SetReverbOnLeftChan ( false ); }
     void OnConClientListMesReceived ( CVector<CChannelShortInfo> vecChanInfo )
         { MainMixerBoard->ApplyNewConClientList ( vecChanInfo ); }
     void OnChangeChanGain ( int iId, double dGain )