added support for Central Server (North America) (Ticket #50), small bug fix for the Mac audio interface

mac/sound.cpp

@@ -466,7 +466,7 @@ QString CSound::CheckDeviceCapabilities ( const int iDriverIdx )
 
     // store the input and out number of channels for this device
     iNumInChan  = CountChannels ( audioInputDevice[iDriverIdx], true );
-    iNumOutChan = CountChannels ( audioInputDevice[iDriverIdx], false );
+    iNumOutChan = CountChannels ( audioOutputDevice[iDriverIdx], false );
 
     // clip the number of input/output channels to our allowed maximum
     if ( iNumInChan > MAX_NUM_IN_OUT_CHANNELS )

src/client.cpp

@@ -69,7 +69,7 @@ CClient::CClient ( const quint16  iPortNumber,
     bDisplayChannelLevels            ( true ),
     bJitterBufferOK                  ( true ),
     strCentralServerAddress          ( "" ),
-    bUseDefaultCentralServerAddress  ( true ),
+    eCentralServerAddressType        ( AT_DEFAULT ),
     iServerSockBufNumFrames          ( DEF_NET_BUF_SIZE_NUM_BL )
 {
     int iOpusError;

src/client.h

@@ -137,17 +137,11 @@ public:
     EAudChanConf GetAudioChannels() const { return eAudioChannelConf; }
     void SetAudioChannels ( const EAudChanConf eNAudChanConf );
 
-    void SetServerListCentralServerAddress ( const QString& sNCentServAddr )
+    void SetServerListCentralServerAddress ( const QString& sNCentServAddr ) { strCentralServerAddress = sNCentServAddr; }
-        { strCentralServerAddress = sNCentServAddr; }
+    QString GetServerListCentralServerAddress() { return strCentralServerAddress; }
 
-    QString GetServerListCentralServerAddress()
+    void SetCentralServerAddressType ( const ECSAddType eNCSAT ) { eCentralServerAddressType = eNCSAT; }
-        { return strCentralServerAddress; }
+    ECSAddType GetCentralServerAddressType() { return eCentralServerAddressType; }
-
-    void SetUseDefaultCentralServerAddress ( const bool bNUDCSeAddr )
-        { bUseDefaultCentralServerAddress = bNUDCSeAddr; }
-
-    bool GetUseDefaultCentralServerAddress()
-        { return bUseDefaultCentralServerAddress; }
 
     int GetAudioInFader() const { return iAudioInFader; }
     void SetAudioInFader ( const int iNV ) { iAudioInFader = iNV; }
@@ -370,7 +364,7 @@ protected:
     bool                    bJitterBufferOK;
 
     QString                 strCentralServerAddress;
-    bool                    bUseDefaultCentralServerAddress;
+    ECSAddType              eCentralServerAddressType;
 
     CVector<int16_t>        vecsAudioSndCrdMono;
 

src/clientdlg.cpp

@@ -816,7 +816,7 @@ void CClientDlg::ShowConnectionSetupDialog()
 {
     // get the central server address string
     const QString strCurCentServAddr =
-        SELECT_SERVER_ADDRESS ( pClient->GetUseDefaultCentralServerAddress(),
+            NetworkUtil::GetCentralServerAddress ( pClient->GetCentralServerAddressType(),
                                                    pClient->GetServerListCentralServerAddress() );
 
     // init the connect dialog

src/clientsettingsdlg.cpp

@@ -244,19 +244,16 @@ CClientSettingsDlg::CClientSettingsDlg ( CClient* pNCliP, QWidget* parent,
     // central server address
     QString strCentrServAddr = tr ( "<b>Central Server Address:</b> The "
         "central server address is the IP address or URL of the central server "
-        "at which the server list of the connection dialog is managed. If the "
+        "at which the server list of the connection dialog is managed. With the "
-        "Default check box is checked, the default central server address is "
+        "central server address type either the local region can be selected of "
-        "shown read-only." );
+        "the default central servers or a manual address can be specified." );
 
     lblCentralServerAddress->setWhatsThis ( strCentrServAddr );
-    chbDefaultCentralServer->setWhatsThis ( strCentrServAddr );
+    cbxCentServAddrType->setWhatsThis ( strCentrServAddr );
     edtCentralServerAddress->setWhatsThis ( strCentrServAddr );
 
-    chbDefaultCentralServer->setAccessibleName (
+    cbxCentServAddrType->setAccessibleName ( tr ( "Default central server type combo box" ) );
-        tr ( "Default central server check box" ) );
+    edtCentralServerAddress->setAccessibleName ( tr ( "Central server address line edit" ) );
-
-    edtCentralServerAddress->setAccessibleName (
-        tr ( "Central server address line edit" ) );
 
     // current connection status parameter
     QString strConnStats = tr ( "<b>Current Connection Status "
@@ -346,15 +343,12 @@ CClientSettingsDlg::CClientSettingsDlg ( CClient* pNCliP, QWidget* parent,
     cbxAudioQuality->addItem ( "High" );   // AQ_HIGH
     cbxAudioQuality->setCurrentIndex ( static_cast<int> ( pClient->GetAudioQuality() ) );
 
-    // update default central server address check box
+    // central server address type combo box
-    if ( pClient->GetUseDefaultCentralServerAddress() )
+    cbxCentServAddrType->clear();
-    {
+    cbxCentServAddrType->addItem ( "Manual" );                  // AT_MANUAL
-        chbDefaultCentralServer->setCheckState ( Qt::Checked );
+    cbxCentServAddrType->addItem ( "Default" );                 // AT_DEFAULT
-    }
+    cbxCentServAddrType->addItem ( "Default (North America)" ); // AT_NORTH_AMERICA
-    else
+    cbxCentServAddrType->setCurrentIndex ( static_cast<int> ( pClient->GetCentralServerAddressType() ) );
-    {
-        chbDefaultCentralServer->setCheckState ( Qt::Unchecked );
-    }
     UpdateCentralServerDependency();
 
     // update new client fader level edit box
@@ -401,9 +395,6 @@ CClientSettingsDlg::CClientSettingsDlg ( CClient* pNCliP, QWidget* parent,
     QObject::connect ( chbAutoJitBuf, SIGNAL ( stateChanged ( int ) ),
         this, SLOT ( OnAutoJitBufStateChanged ( int ) ) );
 
-    QObject::connect ( chbDefaultCentralServer, SIGNAL ( stateChanged ( int ) ),
-        this, SLOT ( OnDefaultCentralServerStateChanged ( int ) ) );
-
     // line edits
     QObject::connect ( edtCentralServerAddress, SIGNAL ( editingFinished() ),
         this, SLOT ( OnCentralServerAddressEditingFinished() ) );
@@ -433,6 +424,9 @@ CClientSettingsDlg::CClientSettingsDlg ( CClient* pNCliP, QWidget* parent,
     QObject::connect ( cbxAudioQuality, SIGNAL ( activated ( int ) ),
         this, SLOT ( OnAudioQualityActivated ( int ) ) );
 
+    QObject::connect ( cbxCentServAddrType, SIGNAL ( activated ( int ) ),
+        this, SLOT ( OnCentServAddrTypeActivated ( int ) ) );
+
     // buttons
     QObject::connect ( butDriverSetup, SIGNAL ( clicked() ),
         this, SLOT ( OnDriverSetupClicked() ) );
@@ -591,8 +585,7 @@ void CClientSettingsDlg::UpdateSoundChannelSelectionFrame()
 
 void CClientSettingsDlg::UpdateCentralServerDependency()
 {
-    const bool bCurUseDefCentServAddr =
+    const bool bCurUseDefCentServAddr = ( pClient->GetCentralServerAddressType() != AT_MANUAL );
-        pClient->GetUseDefaultCentralServerAddress();
 
     // make sure the line edit does not fire signals when we update the text
     edtCentralServerAddress->blockSignals ( true );
@@ -696,6 +689,15 @@ void CClientSettingsDlg::OnAudioQualityActivated ( int iQualityIdx )
     UpdateDisplay(); // upload rate will be changed
 }
 
+void CClientSettingsDlg::OnCentServAddrTypeActivated ( int iTypeIdx )
+{
+    // apply new setting to the client
+    pClient->SetCentralServerAddressType ( static_cast<ECSAddType> ( iTypeIdx ) );
+
+    // update GUI dependencies
+    UpdateCentralServerDependency();
+}
+
 void CClientSettingsDlg::OnAutoJitBufStateChanged ( int value )
 {
     pClient->SetDoAutoSockBufSize ( value == Qt::Checked );
@@ -722,15 +724,6 @@ void CClientSettingsDlg::OnDisplayChannelLevelsStateChanged ( int value )
     emit DisplayChannelLevelsChanged();
 }
 
-void CClientSettingsDlg::OnDefaultCentralServerStateChanged ( int value )
-{
-    // apply new setting to the client
-    pClient->SetUseDefaultCentralServerAddress ( value == Qt::Checked );
-
-    // update GUI dependencies
-    UpdateCentralServerDependency();
-}
-
 void CClientSettingsDlg::OnCentralServerAddressEditingFinished()
 {
     // store new setting in the client

src/clientsettingsdlg.h

@@ -91,7 +91,6 @@ protected:
     void OnAutoJitBufStateChanged ( int value );
     void OnGUIDesignFancyStateChanged ( int value );
     void OnDisplayChannelLevelsStateChanged ( int value );
-    void OnDefaultCentralServerStateChanged ( int value );
     void OnCentralServerAddressEditingFinished();
     void OnNewClientLevelEditingFinished();
     void OnSndCrdBufferDelayButtonGroupClicked ( QAbstractButton* button );
@@ -102,6 +101,7 @@ protected:
     void OnROutChanActivated ( int iChanIdx );
     void OnAudioChannelsActivated ( int iChanIdx );
     void OnAudioQualityActivated ( int iQualityIdx );
+    void OnCentServAddrTypeActivated ( int iTypeIdx );
     void OnDriverSetupClicked();
 
 signals:

src/clientsettingsdlgbase.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>567</width>
-    <height>351</height>
+    <height>371</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -557,11 +557,7 @@
          </widget>
         </item>
         <item>
-         <widget class="QCheckBox" name="chbDefaultCentralServer">
+         <widget class="QComboBox" name="cbxCentServAddrType"/>
-          <property name="text">
-           <string>Default</string>
-          </property>
-         </widget>
         </item>
        </layout>
       </item>
@@ -731,7 +727,7 @@
   <tabstop>edtNewClientLevel</tabstop>
   <tabstop>chbGUIDesignFancy</tabstop>
   <tabstop>chbDisplayChannelLevels</tabstop>
-  <tabstop>chbDefaultCentralServer</tabstop>
+  <tabstop>cbxCentServAddrType</tabstop>
   <tabstop>edtCentralServerAddress</tabstop>
  </tabstops>
  <resources>

src/global.h

@@ -105,7 +105,6 @@ LED bar:      lbr
 // default server address
 #define DEFAULT_SERVER_ADDRESS          "jamulus.fischvolk.de"
 #define DEFAULT_SERVER_NAME             "Central Server"
-#define SELECT_SERVER_ADDRESS(a, b)     ((a) ? (DEFAULT_SERVER_ADDRESS) : (b))
 
 // download URL
 #define LLCON_DOWNLOAD_URL              "http://sourceforge.net/projects/llcon/files"

src/main.cpp

@@ -545,11 +545,6 @@ int main ( int argc, char** argv )
                              eLicenceType );
             if ( bUseGUI )
             {
-                // special case for the GUI mode: as the default we want to use
-                // the default central server address (if not given in the
-                // settings file)
-                Server.SetUseDefaultCentralServerAddress ( true );
-
                 // special case for the GUI mode: we want the licenct type to be
                 // creative commons per default (if not given in the settings file)
                 Server.SetLicenceType ( LT_CREATIVECOMMONS );

src/res/homepage/manual.md

@@ -219,7 +219,8 @@ If enabled, the channel input level for each connected client will be displayed
 ![Central server address](centralserveraddress.png)
 
 The central server address is the IP address or URL of the central server at which the server list of the connection
-dialog is managed. If the Default check box is checked, the default central server address is shown read-only.
+dialog is managed. With the central server address type either the local region can be selected of the default
+central servers or a manual address can be specified.
 
 ### Current connection status parameter
 

src/server.h

@@ -168,11 +168,11 @@ public:
     QString GetServerListCentralServerAddress()
         { return ServerListManager.GetCentralServerAddress(); }
 
-    void SetUseDefaultCentralServerAddress ( const bool bNUDCSeAddr )
+    void SetCentralServerAddressType ( const ECSAddType eNCSAT )
-        { ServerListManager.SetUseDefaultCentralServerAddress ( bNUDCSeAddr ); }
+        { ServerListManager.SetCentralServerAddressType ( eNCSAT ); }
 
-    bool GetUseDefaultCentralServerAddress()
+    ECSAddType GetCentralServerAddressType()
-        { return ServerListManager.GetUseDefaultCentralServerAddress(); }
+        { return ServerListManager.GetCentralServerAddressType(); }
 
     void SetServerName ( const QString& strNewName )
         { ServerListManager.SetServerName ( strNewName ); }

src/serverdlg.cpp

@@ -73,18 +73,16 @@ CServerDlg::CServerDlg ( CServer*        pNServP,
     // central server address
     QString strCentrServAddr = tr ( "<b>Central Server Address:</b> The "
         "Central server address is the IP address or URL of the central server "
-        "at which this server is registered. If the Default check box is "
+        "at which this server is registered. With the central server address "
-        "checked, the default central server address is shown read-only." );
+        "type either the local region can be selected of the default central "
+        "servers or a manual address can be specified." );
 
     lblCentralServerAddress->setWhatsThis ( strCentrServAddr );
-    chbDefaultCentralServer->setWhatsThis ( strCentrServAddr );
+    cbxCentServAddrType->setWhatsThis ( strCentrServAddr );
     edtCentralServerAddress->setWhatsThis ( strCentrServAddr );
 
-    chbDefaultCentralServer->setAccessibleName (
+    cbxCentServAddrType->setAccessibleName ( tr ( "Default central server type combo box" ) );
-        tr ( "Default central server check box" ) );
+    edtCentralServerAddress->setAccessibleName ( tr ( "Central server address line edit" ) );
-
-    edtCentralServerAddress->setAccessibleName (
-        tr ( "Central server address line edit" ) );
 
     // server name
     QString strServName = tr ( "<b>Server Name:</b> The server name identifies "
@@ -183,15 +181,12 @@ lvwClients->setMinimumHeight ( 140 );
         vecpListViewItems[i]->setHidden ( true );
     }
 
-    // update default central server address check box
+    // central server address type combo box
-    if ( pServer->GetUseDefaultCentralServerAddress() )
+    cbxCentServAddrType->clear();
-    {
+    cbxCentServAddrType->addItem ( "Manual" );                  // AT_MANUAL
-        chbDefaultCentralServer->setCheckState ( Qt::Checked );
+    cbxCentServAddrType->addItem ( "Default" );                 // AT_DEFAULT
-    }
+    cbxCentServAddrType->addItem ( "Default (North America)" ); // AT_NORTH_AMERICA
-    else
+    cbxCentServAddrType->setCurrentIndex ( static_cast<int> ( pServer->GetCentralServerAddressType() ) );
-    {
-        chbDefaultCentralServer->setCheckState ( Qt::Unchecked );
-    }
 
     // update server name line edit
     edtServerName->setText ( pServer->GetServerName() );
@@ -293,9 +288,6 @@ lvwClients->setMinimumHeight ( 140 );
     QObject::connect ( chbRegisterServer, SIGNAL ( stateChanged ( int ) ),
         this, SLOT ( OnRegisterServerStateChanged ( int ) ) );
 
-    QObject::connect ( chbDefaultCentralServer, SIGNAL ( stateChanged ( int ) ),
-        this, SLOT ( OnDefaultCentralServerStateChanged ( int ) ) );
-
     QObject::connect ( chbStartOnOSStart, SIGNAL ( stateChanged ( int ) ),
         this, SLOT ( OnStartOnOSStartStateChanged ( int ) ) );
 
@@ -316,6 +308,9 @@ lvwClients->setMinimumHeight ( 140 );
     QObject::connect ( cbxLocationCountry, SIGNAL ( activated ( int ) ),
         this, SLOT ( OnLocationCountryActivated ( int ) ) );
 
+    QObject::connect ( cbxCentServAddrType, SIGNAL ( activated ( int ) ),
+        this, SLOT ( OnCentServAddrTypeActivated ( int ) ) );
+
     // timers
     QObject::connect ( &Timer, SIGNAL ( timeout() ), this, SLOT ( OnTimer() ) );
 
@@ -372,16 +367,6 @@ void CServerDlg::OnUseCCLicenceStateChanged ( int value )
     }
 }
 
-void CServerDlg::OnDefaultCentralServerStateChanged ( int value )
-{
-    // apply new setting to the server and update it
-    pServer->SetUseDefaultCentralServerAddress ( value == Qt::Checked );
-    pServer->UpdateServerList();
-
-    // update GUI dependencies
-    UpdateGUIDependencies();
-}
-
 void CServerDlg::OnRegisterServerStateChanged ( int value )
 {
     const bool bRegState = ( value == Qt::Checked );
@@ -451,6 +436,16 @@ void CServerDlg::OnLocationCountryActivated ( int iCntryListItem )
     pServer->UpdateServerList();
 }
 
+void CServerDlg::OnCentServAddrTypeActivated ( int iTypeIdx )
+{
+    // apply new setting to the server and update it
+    pServer->SetCentralServerAddressType ( static_cast<ECSAddType> ( iTypeIdx ) );
+    pServer->UpdateServerList();
+
+    // update GUI dependencies
+    UpdateGUIDependencies();
+}
+
 void CServerDlg::OnSysTrayActivated ( QSystemTrayIcon::ActivationReason ActReason )
 {
     // on double click on the icon, show window in fore ground
@@ -515,12 +510,11 @@ void CServerDlg::UpdateGUIDependencies()
     // get the states which define the GUI dependencies from the server
     const bool bCurSerListEnabled = pServer->GetServerListEnabled();
 
-    const bool bCurUseDefCentServAddr =
+    const bool bCurUseDefCentServAddr = ( pServer->GetCentralServerAddressType() != AT_MANUAL );
-        pServer->GetUseDefaultCentralServerAddress();
 
     // if register server is not enabled, we disable all the configuration
     // controls for the server list
-    chbDefaultCentralServer->setEnabled ( bCurSerListEnabled );
+    cbxCentServAddrType->setEnabled ( bCurSerListEnabled );
     grbServerInfo->setEnabled       ( bCurSerListEnabled );
 
     // make sure the line edit does not fire signals when we update the text

src/serverdlg.h

@@ -84,13 +84,13 @@ public slots:
     void OnAboutToQuit() { pSettings->Save(); }
 
     void OnRegisterServerStateChanged ( int value );
-    void OnDefaultCentralServerStateChanged ( int value );
     void OnStartOnOSStartStateChanged ( int value );
     void OnUseCCLicenceStateChanged ( int value );
     void OnCentralServerAddressEditingFinished();
     void OnServerNameTextChanged ( const QString& strNewName );
     void OnLocationCityTextChanged ( const QString& strNewCity );
     void OnLocationCountryActivated ( int iCntryListItem );
+    void OnCentServAddrTypeActivated ( int iTypeIdx );
     void OnTimer();
     void OnServerStarted() { UpdateSystemTrayIcon ( true ); }
     void OnServerStopped() { UpdateSystemTrayIcon ( false ); }

src/serverdlgbase.ui

@@ -82,11 +82,7 @@
       <widget class="QLineEdit" name="edtCentralServerAddress"/>
      </item>
      <item>
-      <widget class="QCheckBox" name="chbDefaultCentralServer">
+      <widget class="QComboBox" name="cbxCentServAddrType"/>
-       <property name="text">
-        <string>Default</string>
-       </property>
-      </widget>
      </item>
     </layout>
    </item>
@@ -190,7 +186,7 @@
   <tabstop>chbUseCCLicence</tabstop>
   <tabstop>chbRegisterServer</tabstop>
   <tabstop>edtCentralServerAddress</tabstop>
-  <tabstop>chbDefaultCentralServer</tabstop>
+  <tabstop>cbxCentServAddrType</tabstop>
   <tabstop>edtServerName</tabstop>
   <tabstop>edtLocationCity</tabstop>
   <tabstop>cbxLocationCountry</tabstop>

src/serverlist.cpp

@@ -33,7 +33,7 @@ CServerListManager::CServerListManager ( const quint16  iNPortNum,
                                          CProtocol*     pNConLProt )
     : iPortNumber               ( iNPortNum ),
       iNumPredefinedServers     ( 0 ),
-      bUseDefaultCentralServerAddress ( false ), // must be false for the "no GUI" case
+      eCentralServerAddressType ( AT_MANUAL ), // must be AT_MANUAL for the "no GUI" case
       bCentServPingServerInList ( bNCentServPingServerInList ),
       pConnLessProtocol         ( pNConLProt )
 {
@@ -199,7 +199,7 @@ void CServerListManager::SetCentralServerAddress ( const QString sNCentServAddr
             (
               ( !strCentralServerAddress.toLower().compare ( "localhost" ) ||
                 !strCentralServerAddress.compare ( "127.0.0.1" ) ) &&
-              ( !bUseDefaultCentralServerAddress )
+              ( eCentralServerAddressType == AT_MANUAL )
             );
 
         bEnabled = true;
@@ -480,7 +480,7 @@ void CServerListManager::SlaveServerRegisterServer ( const bool bIsRegister )
 
     // get the correct central server address
     const QString strCurCentrServAddr =
-        SELECT_SERVER_ADDRESS ( bUseDefaultCentralServerAddress,
+            NetworkUtil::GetCentralServerAddress ( eCentralServerAddressType,
                                                    strCentralServerAddress );
 
     // For the slave server, the slave server properties are stored in the

src/serverlist.h

@@ -142,11 +142,8 @@ public:
     void SetCentralServerAddress ( const QString sNCentServAddr );
     QString GetCentralServerAddress() { return strCentralServerAddress; }
 
-    void SetUseDefaultCentralServerAddress ( const bool bNUDCSeAddr )
+    void SetCentralServerAddressType ( const ECSAddType eNCSAT ) { eCentralServerAddressType = eNCSAT; }
-        { bUseDefaultCentralServerAddress = bNUDCSeAddr; }
+    ECSAddType GetCentralServerAddressType() { return eCentralServerAddressType; }
-
-    bool GetUseDefaultCentralServerAddress()
-        { return bUseDefaultCentralServerAddress; }
 
     bool GetIsCentralServer() const { return bIsCentralServer; }
 
@@ -195,7 +192,7 @@ protected:
     int                     iNumPredefinedServers;
     bool                    bEnabled;
     bool                    bIsCentralServer;
-    bool                    bUseDefaultCentralServerAddress;
+    ECSAddType              eCentralServerAddressType;
     bool                    bCentServPingServerInList;
 
     CHostAddress            SlaveCurCentServerHostAddress;

src/settings.cpp

@@ -274,11 +274,27 @@ void CSettings::Load()
         pClient->SetServerListCentralServerAddress (
             GetIniSetting ( IniXMLDocument, "client", "centralservaddr" ) );
 
-        // use default central server address flag
+        // central server address type
-        if ( GetFlagIniSet ( IniXMLDocument, "client", "defcentservaddr", bValue ) )
+        if ( GetNumericIniSet ( IniXMLDocument, "client", "centservaddrtype",
+             0, 2 /* AT_NORTH_AMERICA */, iValue ) )
         {
-            pClient->SetUseDefaultCentralServerAddress ( bValue );
+            pClient->SetCentralServerAddressType ( static_cast<ECSAddType> ( iValue ) );
         }
+        else
+        {
+            // if no address type is given, choose one from the operating system locale
+            pClient->SetCentralServerAddressType ( CLocale::GetCentralServerAddressType ( QLocale::system().country() ) );
+        }
+
+// TODO compatibility to old version
+if ( GetFlagIniSet ( IniXMLDocument, "client", "defcentservaddr", bValue ) )
+{
+    // only the case that manual was set in old ini must be considered
+    if ( !bValue )
+    {
+        pClient->SetCentralServerAddressType ( AT_MANUAL );
+    }
+}
 
         // window position of the main window
         pClient->vecWindowPosMain = FromBase64ToByteArray (
@@ -328,12 +344,28 @@ void CSettings::Load()
     {
         // server:
 
-        // use default central server address flag (note that it is important
+        // central server address type (note that it is important
         // to set this setting prior to the "central server address")
-        if ( GetFlagIniSet ( IniXMLDocument, "server", "defcentservaddr", bValue ) )
+        if ( GetNumericIniSet ( IniXMLDocument, "server", "centservaddrtype",
+             0, 2 /* AT_NORTH_AMERICA */, iValue ) )
         {
-            pServer->SetUseDefaultCentralServerAddress ( bValue );
+            pServer->SetCentralServerAddressType ( static_cast<ECSAddType> ( iValue ) );
         }
+        else
+        {
+            // if no address type is given, choose one from the operating system locale
+            pServer->SetCentralServerAddressType ( CLocale::GetCentralServerAddressType ( QLocale::system().country() ) );
+        }
+
+// TODO compatibility to old version
+if ( GetFlagIniSet ( IniXMLDocument, "server", "defcentservaddr", bValue ) )
+{
+    // only the case that manual was set in old ini must be considered
+    if ( !bValue )
+    {
+        pServer->SetCentralServerAddressType ( AT_MANUAL );
+    }
+}
 
         // central server address (to be set after the "use default central
         // server address)
@@ -519,9 +551,9 @@ void CSettings::Save()
         PutIniSetting ( IniXMLDocument, "client", "centralservaddr",
             pClient->GetServerListCentralServerAddress() );
 
-        // use default central server address flag
+        // central server address type
-        SetFlagIniSet ( IniXMLDocument, "client", "defcentservaddr",
+        SetNumericIniSet ( IniXMLDocument, "client", "centservaddrtype",
-            pClient->GetUseDefaultCentralServerAddress() );
+            static_cast<int> ( pClient->GetCentralServerAddressType() ) );
 
         // window position of the main window
         PutIniSetting ( IniXMLDocument, "client", "winposmain_base64",
@@ -567,9 +599,9 @@ void CSettings::Save()
         PutIniSetting ( IniXMLDocument, "server", "centralservaddr",
             pServer->GetServerListCentralServerAddress() );
 
-        // use default central server address flag
+        // central server address type
-        SetFlagIniSet ( IniXMLDocument, "server", "defcentservaddr",
+        SetNumericIniSet ( IniXMLDocument, "server", "centservaddrtype",
-            pServer->GetUseDefaultCentralServerAddress() );
+            static_cast<int> ( pServer->GetCentralServerAddressType() ) );
 
         // server list enabled flag
         SetFlagIniSet ( IniXMLDocument, "server", "servlistenabled",

src/util.cpp

@@ -908,6 +908,17 @@ CHostAddress NetworkUtil::GetLocalAddress()
     }
 }
 
+QString NetworkUtil::GetCentralServerAddress ( const ECSAddType eCentralServerAddressType,
+                                               const QString&   strCentralServerAddress )
+{
+    switch ( eCentralServerAddressType )
+    {
+    case AT_MANUAL:        return strCentralServerAddress;
+    case AT_NORTH_AMERICA: return QString ( "%1:%2" ).arg ( DEFAULT_SERVER_ADDRESS ).arg ( LLCON_PORT_NUMBER_NORTHAMERICA );
+    default:               return DEFAULT_SERVER_ADDRESS; // AT_DEFAULT
+    }
+}
+
 
 // Instrument picture data base ------------------------------------------------
 CVector<CInstPictures::CInstPictProps>& CInstPictures::GetTable()
@@ -992,7 +1003,7 @@ QString CInstPictures::GetName ( const int iInstrument )
 }
 
 
-// Country flag icon data base -------------------------------------------------
+// Locale management class -----------------------------------------------------
 QString CLocale::GetCountryFlagIconsResourceReference ( const QLocale::Country eCountry )
 {
     QString strReturn = "";
@@ -1248,6 +1259,23 @@ QString CLocale::GetCountryFlagIconsResourceReference ( const QLocale::Country e
     return strReturn;
 }
 
+ECSAddType CLocale::GetCentralServerAddressType ( const QLocale::Country eCountry )
+{
+// TODO this is the initial implementation and should be extended in the future,
+//      maybe there is/will be some function in Qt to get the continent
+    switch ( eCountry )
+    {
+    case QLocale::UnitedStates:
+    case QLocale::Canada:
+    case QLocale::Mexico:
+    case QLocale::Greenland:
+        return AT_NORTH_AMERICA;
+
+    default:
+        return AT_DEFAULT;
+    }
+}
+
 
 // Console writer factory ------------------------------------------------------
 QTextStream* ConsoleWriterFactory::get()

src/util.h

@@ -563,6 +563,15 @@ enum ELicenceType
 };
 
 
+// Central server address type -------------------------------------------------
+enum ECSAddType
+{
+    AT_MANUAL = 0,
+    AT_DEFAULT = 1, // Europe and others
+    AT_NORTH_AMERICA = 2
+};
+
+
 // Skill level enum ------------------------------------------------------------
 enum ESkillLevel
 {
@@ -739,6 +748,7 @@ class CLocale
 {
 public:
     static QString    GetCountryFlagIconsResourceReference ( const QLocale::Country eCountry );
+    static ECSAddType GetCentralServerAddressType ( const QLocale::Country eCountry );
 };
 
 
@@ -980,6 +990,8 @@ public:
                                       CHostAddress& HostAddress );
 
     static CHostAddress GetLocalAddress();
+    static QString      GetCentralServerAddress ( const ECSAddType eCentralServerAddressType,
+                                                  const QString&   strCentralServerAddress );
 };