Also moved 'webcams' variable entirely into 'lc::Settings'

src/Lib/lablib.cpp

@@ -73,7 +73,6 @@ lc::Lablib::~Lablib () {
     delete clients;
     delete InstalledZTreeVersions;
     delete occupiedPorts;
-    delete webcams;
 }
 
 bool lc::Lablib::CheckIfUserIsAdmin() const {
@@ -197,10 +196,6 @@ void lc::Lablib::ReadSettings() {
         messageBox.exec();
         debugMessagesTextEdit->appendPlainText( tr( "[DEBUG] 'webcams' was not set. No stationary webcams will be available." ) );
     }
-    else {
-        webcams = new QStringList{ labSettings.value( "webcams" ).toString().split( '|', QString::SkipEmptyParts, Qt::CaseInsensitive ) };
-        debugMessagesTextEdit->appendPlainText( tr( "[DEBUG] 'webcams': %1" ).arg( webcams->join( " / " ) ) );
-    }
 
     // Get the client quantity to check the value lists for clients creation for correct length
     int clientQuantity = 0;

src/Lib/lablib.h

@@ -117,11 +117,6 @@ public:
      * @return A pointer to a QStringList containing all available zTree versions
      */
     QStringList *GetInstalledZTreeVersions () const { return InstalledZTreeVersions; }
-    /** Returns a pointer to a QStringList containing all available webcams
-     *
-     * @return A pointer to a QStringList containing all available webcams
-     */
-    QStringList *GetWebcams () const { return webcams; }
     void SetChosenZTreeDataTargetPath( const QString &argZTreeDataTargetPath );
     void SetChosenZTreePort( const int &argPort );
     //! Sets the default name of local zLeaf instances
@@ -170,7 +165,6 @@ private:
     QVector< int > *occupiedPorts = nullptr;
     bool PrintReceiptsForLocalClients = true;
     SessionsModel *sessionsModel = nullptr;        //! A derivation from QAbstractTableModel used to store the single Session instances
-    QStringList *webcams = nullptr;                 //! A QStringList containing all available stationary webcams in the laboratory
 };
 
 }

src/Lib/settings.cpp

@@ -76,6 +76,8 @@ lc::Settings::Settings( const QSettings &argSettings, QObject *argParent ) :
     wakeonlanCmd{ ReadSettingsItem( "wakeonlan_command",
                                     "Booting the clients will not work.",
                                     argSettings, true ) },
+    webcams{ argSettings.value( "webcams", "" ).toString().split( '|', QString::SkipEmptyParts,
+                                                                  Qt::CaseInsensitive ) },
     wineCmd{ ReadSettingsItem( "wine_command",
                                "Running z-Leaves or z-Tree will be possible.",
                                argSettings, true ) },
@@ -92,6 +94,7 @@ lc::Settings::Settings( const QSettings &argSettings, QObject *argParent ) :
                                       "The local zLeaf default name will default to 'local'.",
                                       argSettings, false ) }
 {
+    qDebug() << "The following webcams where loaded:" << webcams;
 }
 
 bool lc::Settings::CheckPathAndComplain( const QString &argPath, const QString &argVariableName,

src/Lib/settings.h

@@ -44,6 +44,7 @@ public:
     const QString userNameOnClients;
     const QString vncViewer;
     const QString wakeonlanCmd;
+    const QStringList webcams;
     const QString wineCmd;
     const QString wmctrlCmd;
     const QString xsetCmd;

src/mainwindow.cpp

@@ -642,23 +642,17 @@ void lc::MainWindow::SetupWidgets() {
     }
 
     // Fill the 'CBWebcamChooser' with all available network webcams
-    ui->CBWebcamChooser->addItem( "Choose a webcam to view:", QVariant( 0 ) );
+    if ( !settings->webcams.isEmpty() ) {
-    QStringList *webcams = lablib->GetWebcams();
+        for ( const auto &s : settings->webcams )
-    if ( !( webcams == nullptr ) ) {
+            ui->CBWebcamChooser->addItem( s );
-        for ( auto s : *webcams )
-            ui->CBWebcamChooser->addItem( s, QVariant( 0 ) );
     }
 
-    // Deactivate the webcam choosing interface, if no webcams are available (none mounted at clients and none mounted in the laboratory)
+    // Deactivate the webcam choosing interface, if no webcams are available
-    if ( ui->CBWebcamChooser->count() == 1 ) {
+    if ( ui->CBWebcamChooser->count() == 0 ) {
         ui->LWebcamChooser->setEnabled( false );
         ui->CBWebcamChooser->setEnabled( false );
-        QMessageBox messageBox{ QMessageBox::Warning, tr( "Could not add webcams" ),
-                    tr( "The initialization of the webcams failed. Please check the configuration file of Labcontrol." ), QMessageBox::Ok, this };
-        messageBox.exec();
     }
     clients = nullptr;
-    webcams = nullptr;
 
     const QStringList *zTreeEntries = lablib->GetInstalledZTreeVersions();
     if ( zTreeEntries == nullptr ) {