version 2.1.2

- added  warning when selecting a file which is already in download
  queue

RsyncUI.desktop

@@ -6,7 +6,7 @@ Comment=Client for rsync servers
 Comment[fr]=Client pour serveur rsync
 Version=1.0
 Exec=RsyncUI
-Icon=
+Icon=/usr/share/icons/RsyncUI.png
 Type=Application
 Terminal=false
 StartupNotify=true

RsyncUI.pro.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.14.2, 2023-02-10T14:36:52. -->
+<!-- Written by QtCreator 4.14.2, 2023-02-11T01:13:28. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>

RsyncUI.spec

@@ -2,7 +2,7 @@
 
 Name: rsyncui
 Summary: Client for rsync server
-Version: 1.9.2
+Version: 2.1.2
 Release: %mkrel 1
 License: GPLv3
 Group: Networking/Remote access

RsyncUI_fr_FR.ts

@@ -74,121 +74,136 @@
         <translation>Fenêtre principale</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="83"/>
+        <location filename="mainwindow.ui" line="86"/>
         <source>Server</source>
         <oldsource>Serveur</oldsource>
         <translation>Serveur</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="105"/>
+        <location filename="mainwindow.ui" line="108"/>
         <source>Enter server&apos;s URL</source>
         <translation>Entrez l&apos;adresse du serveur</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="121"/>
+        <location filename="mainwindow.ui" line="124"/>
         <source>Port</source>
         <translation>Port</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="149"/>
+        <location filename="mainwindow.ui" line="152"/>
         <source>Enter rsync port on server</source>
         <translation>Entrez le port du serveur rsync</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="186"/>
+        <location filename="mainwindow.ui" line="189"/>
         <source>Press button to connect to rsync server</source>
         <extracomment>Connect to server</extracomment>
         <translation>Cliquez pour se connecter au serveur rsync</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="192"/>
+        <location filename="mainwindow.ui" line="195"/>
         <source>Connection</source>
         <translation>Connexion</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="195"/>
+        <location filename="mainwindow.ui" line="198"/>
         <source>Return</source>
         <translation>Retour</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="221"/>
+        <location filename="mainwindow.ui" line="224"/>
         <source>Click to view the list of files of this folder</source>
         <translation>Cliquez pour afficher la liste des documents</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="256"/>
+        <location filename="mainwindow.ui" line="259"/>
         <source>Click to add to download queue</source>
         <translation>Cliquez pour ajouter à la file de téléchargement</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="334"/>
+        <location filename="mainwindow.ui" line="337"/>
         <source>Click on file to stop downloading</source>
         <translation>Cliquez sur le document pour arrêter le téléchargement et l&apos;enlever de la file</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="357"/>
+        <location filename="mainwindow.ui" line="360"/>
         <source>%p%</source>
         <extracomment>Downloading</extracomment>
         <translation>Téléchargement</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="368"/>
+        <location filename="mainwindow.ui" line="371"/>
         <source>toolBar</source>
         <translation>Barre d&apos;outils</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="440"/>
+        <location filename="mainwindow.ui" line="444"/>
         <source>Download</source>
         <translation>Télécharger</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="443"/>
+        <location filename="mainwindow.ui" line="447"/>
         <source>Click on menu button to download the entire folder</source>
         <translation>Cliquer sur le bouton droit de la souris pour télécharger le dossier entier</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="405"/>
+        <location filename="mainwindow.ui" line="455"/>
-        <location filename="mainwindow.ui" line="408"/>
+        <source>Exit</source>
+        <translation>Quitter</translation>
+    </message>
+    <message>
+        <location filename="mainwindow.ui" line="458"/>
+        <source>Terminate the program</source>
+        <translation>Terminer le programme</translation>
+    </message>
+    <message>
+        <location filename="mainwindow.ui" line="461"/>
+        <source>Ctrl+Q</source>
+        <translation>Ctrl+Q</translation>
+    </message>
+    <message>
+        <location filename="mainwindow.ui" line="409"/>
+        <location filename="mainwindow.ui" line="412"/>
         <source>Change save folder</source>
         <translation>Changer le dossier de destination</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="417"/>
+        <location filename="mainwindow.ui" line="421"/>
         <source>About</source>
         <translation>À propos</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="426"/>
+        <location filename="mainwindow.ui" line="430"/>
         <source>About Qt</source>
         <translation>À propos de Qt</translation>
     </message>
     <message>
-        <location filename="mainwindow.ui" line="435"/>
+        <location filename="mainwindow.ui" line="439"/>
         <source>Settings</source>
         <translation>Paramètres</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="86"/>
+        <location filename="mainwindow.cpp" line="90"/>
         <source>KB</source>
         <translation>Ko</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="86"/>
+        <location filename="mainwindow.cpp" line="90"/>
         <source>MB</source>
         <translation>Mo</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="86"/>
+        <location filename="mainwindow.cpp" line="90"/>
         <source>GB</source>
         <translation>Go</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="86"/>
+        <location filename="mainwindow.cpp" line="90"/>
         <source>TB</source>
         <translation>To</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="86"/>
+        <location filename="mainwindow.cpp" line="90"/>
         <source>PB</source>
         <translation>Po</translation>
     </message>
@@ -217,125 +232,138 @@ Cliquez sur un fichier pour l&apos;ajouter dans la file de téléchargement</tra
         <translation>Type</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="92"/>
+        <location filename="mainwindow.cpp" line="97"/>
         <source>A list of interrupted downloads exists, do you want to continue downloading ? if not the list will be cleared</source>
         <translation>Une liste de téléchargement existe, voulez-vous utiliser cette liste ? si non, elle sera effacée</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="393"/>
+        <location filename="mainwindow.cpp" line="125"/>
+        <source>&amp;Quit</source>
+        <translation>&amp;Quitter</translation>
+    </message>
+    <message>
+        <location filename="mainwindow.cpp" line="182"/>
+        <source>Clicking Save button, You can save the list of downloads
+</source>
+        <translation>Vous pouvez enregistrer la liste des téléchargements en cliquant sur &quot;enregister&quot;
+</translation>
+    </message>
+    <message>
+        <location filename="mainwindow.cpp" line="187"/>
+        <source>Exiting will stop downloading, and will clear the download queue.
+Do you want to exit ?</source>
+        <translation>Si vous sortez, les téléchargements seront arrêter.
+Voulez-vous vraiment sortir ?</translation>
+    </message>
+    <message>
+        <location filename="mainwindow.cpp" line="216"/>
+        <source>The program will keep running in the system tray. To terminate the program, choose &lt;b&gt;Quit&lt;/b&gt; in the context menu of the system tray entry.</source>
+        <translation>Le programme continue dans la boîte à miniatures. Pour quitter le programme cliquez sur l&apos;icône &lt;b&gt;Quitter&lt;/b&gt; ou dans les menu contextuel.</translation>
+    </message>
+    <message>
+        <location filename="mainwindow.cpp" line="502"/>
         <source>server does not exists</source>
         <translation>Le serveur n&apos;existe pas</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="421"/>
+        <location filename="mainwindow.cpp" line="529"/>
-        <location filename="mainwindow.cpp" line="441"/>
+        <location filename="mainwindow.cpp" line="549"/>
         <source>Dir</source>
         <translation>dossier</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="424"/>
+        <location filename="mainwindow.cpp" line="533"/>
-        <location filename="mainwindow.cpp" line="487"/>
+        <location filename="mainwindow.cpp" line="617"/>
         <source>File</source>
         <translation>Doc</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="561"/>
+        <location filename="mainwindow.cpp" line="626"/>
+        <source>File is already downloaded. Do you want to reload it ? The old file will be deleted</source>
+        <translation>Le document est déjà téléchargé. Voulez-vous le télécharger à nouveau ? L&apos;ancien fichier sera effacé</translation>
+    </message>
+    <message>
+        <location filename="mainwindow.cpp" line="661"/>
+        <source>File is already downloading</source>
+        <translation>Le document est déjà en téléchargement</translation>
+    </message>
+    <message>
+        <location filename="mainwindow.cpp" line="705"/>
         <source>Rsync process crashed</source>
         <translation>Le processus rsync à planté</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="699"/>
+        <location filename="mainwindow.cpp" line="861"/>
         <source>Version</source>
         <translation>Version</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="700"/>
+        <location filename="mainwindow.cpp" line="862"/>
         <source>Licence</source>
         <translation>License</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="701"/>
+        <location filename="mainwindow.cpp" line="863"/>
         <source>Author</source>
         <translation>Auteur</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="702"/>
+        <location filename="mainwindow.cpp" line="864"/>
         <source>EMail</source>
         <translation>Courriel</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="703"/>
+        <location filename="mainwindow.cpp" line="865"/>
         <source>Source code</source>
         <translation>Code source</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="725"/>
+        <location filename="mainwindow.cpp" line="888"/>
         <source>Since the save path is linked to service, you need to select a service before you can select a folder</source>
         <translation>Vous devez sélectionnez un service pour pouvoir sélectionnez un dossier par défaut</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="728"/>
+        <location filename="mainwindow.cpp" line="893"/>
         <source>Choose folder where to save file</source>
         <translation>Choisissez un dossier où enregistrer le document</translation>
     </message>
     <message>
-        <source>Choose directory to save file</source>
+        <location filename="mainwindow.cpp" line="779"/>
-        <translation type="vanished">Choisissez le dossier où enregistrer</translation>
-    </message>
-    <message>
-        <location filename="mainwindow.cpp" line="620"/>
         <source>Do you want to stop downloading and delete this file from download queue ?</source>
         <translation>Voulez-vous arrêter le téléchargement et enlever ce fichier de la file de téléchargement ?</translation>
     </message>
     <message>
-        <source>A list of interrupted downloads exists, do you want to continue downloading ? or you can delete the list</source>
+        <location filename="mainwindow.cpp" line="793"/>
-        <translation type="vanished">Voulez-vous reprendre les téléchargements interrompus la fois précédente? ou vous pouvez supprimer la liste</translation>
-    </message>
-    <message>
-        <source>Remove</source>
-        <translation type="vanished">Supprimer</translation>
-    </message>
-    <message>
-        <location filename="mainwindow.cpp" line="135"/>
-        <source>Exiting will stop downloading, and will clear the download queue.
-You can save the list of downloads
-Do you want to exit ?</source>
-        <translatorcomment>i</translatorcomment>
-        <translation>Si vous sortez, les téléchargements seront arrêter, mais vous pouvez enregistrer la liste pour la prochaine fois.
-Voulez-vous vraiment sortir ?</translation>
-    </message>
-    <message>
-        <location filename="mainwindow.cpp" line="632"/>
         <source>Do you want to delete this file from download queue ?</source>
         <translation>Voulez-vous enlever ce fichier de la file de téléchargement ?</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="118"/>
+        <location filename="mainwindow.h" line="121"/>
         <source>The process failed to start. Either the invoked program is missing, or you may have insufficient permissions or resources to invoke the program.</source>
         <translation>Le processus échoué, soit le programme est manquant, soit vous n&apos;avez pas l&apos;autorisation de l&apos;exécuter.</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="119"/>
+        <location filename="mainwindow.h" line="122"/>
         <source>The process crashed some time after starting successfully.</source>
         <translation>Le processus à planté après avoir démarré avec succès.</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="120"/>
+        <location filename="mainwindow.h" line="123"/>
         <source>The last waitFor...() function timed out. The state of QProcess is unchanged, and you can try calling waitFor...() again.</source>
         <translation>La fonction waitFor...() a dépassé la limite de temps, you pouvez essayer de la relancer.</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="121"/>
+        <location filename="mainwindow.h" line="124"/>
         <source>An error occurred when attempting to write to the process. For example, the process may not be running, or it may have closed its input channel.</source>
         <translation>Une erreur est survenue lors de l&apos;envoi des données vers le processus. Le processus est peut être arrté ou il a fermé son canal d&apos;entrée.</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="122"/>
+        <location filename="mainwindow.h" line="125"/>
         <source>An error occurred when attempting to read from the process. For example, the process may not be running.</source>
         <translation>Une erreur est survenue lors de la lecturee de données, le processus est probablement arrêté.</translation>
     </message>
     <message>
-        <location filename="mainwindow.h" line="123"/>
+        <location filename="mainwindow.h" line="126"/>
         <source>An unknown error occurred. This is the default return value of error().</source>
         <translation>Une erreur inconnue est survenue. C&apos;est la valeur de retour par défaut de error().</translation>
     </message>

downloadfile.cpp

@@ -96,6 +96,7 @@ void MainWindow::readRsyncOutput()
             );
 }*/
 
+// process raise error
 void MainWindow::downloadProcessStderr()
 {
     QByteArray errorLine;

main.cpp

@@ -9,6 +9,7 @@ int main(int argc, char *argv[])
 
     QCoreApplication::setOrganizationName("RsyncUI");
     QCoreApplication::setApplicationName("RsyncUI");
+
     // Initialization of localization
     QLocale localeName = QLocale::system();
     QString localeFile = "/usr/share/locale/" + localeName.name()  + "/LC_MESSAGES/RsyncUI_" + localeName.name() + ".qm";

mainwindow.cpp

@@ -40,10 +40,10 @@ MainWindow::MainWindow(QWidget *parent)
     QCoreApplication::setOrganizationName("RsyncUI");
     QCoreApplication::setApplicationName("RsyncUI");
 
-    // context menu for treewidget
+    // context menu for treewidget (list of files)
     ui->treeWidget->addAction(ui->actionDownload);
 
-    // init shortcut
+    // init configuration window
     config.setupUi(&Configuration);
 
     // init of About
@@ -57,12 +57,14 @@ MainWindow::MainWindow(QWidget *parent)
     connect(config.comboBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &MainWindow::on_comboBox_currentIndexChanged);
 
     // init of widgets
-    ui->ktreewidgetsearchline->setTreeWidget(ui->treeWidget);
+    ui->ktreewidgetsearchline->setTreeWidget(ui->treeWidget);               // attach search widget to treewidget
-    ui->ktreewidgetsearchline->setCaseSensitivity(Qt::CaseInsensitive);
+    ui->ktreewidgetsearchline->setCaseSensitivity(Qt::CaseInsensitive);     // and set it case insensitive
-    ui->treeWidget->setHeaderLabels({tr("Path"), tr("Type"), tr("Size")} );
+    ui->treeWidget->setHeaderLabels({tr("Path"), tr("Type"), tr("Size")} ); // set header of columns of tree widget
 
+    // if last server exists in settings
     if (this->settings.contains("connexion/lastServer"))
     {
+        // set window to precedent server/port configuration
         ui->portEdit->setText(this->settings.value("connexion/port").toString());
         ui->khistorycombobox->setCurrentText(this->settings.value("connexion/lastServer").toString());
     }else
@@ -71,7 +73,7 @@ MainWindow::MainWindow(QWidget *parent)
         ui->khistorycombobox->clear();
     }
 
-    // setting arrowcursor for treeWidget, listWidget and listDownload
+    // setting arrowcursor for treeWidget, listWidget and listDownload to arrow
     ui->treeWidget->setCursor(Qt::ArrowCursor);
     ui->listWidget->setCursor(Qt::ArrowCursor);
     ui->listDownload->setCursor(Qt::ArrowCursor);
@@ -82,41 +84,90 @@ MainWindow::MainWindow(QWidget *parent)
     loadSettings();
 
     //setting configuration window
-    config.comboBox->setCurrentIndex(ui->toolBar->toolButtonStyle());
+    config.comboBox->setCurrentIndex(ui->toolBar->toolButtonStyle());       // setting combobox to saved settings
+
+    //setting unit of bandwidth limit
     config.UnitCombobox->addItems({tr("KB"), tr("MB"), tr("GB"), tr("TB"), tr("PB")});
 
+    //if exists list of donwloads in saved settings
     if (this->settings.value("Downloads/rows").toInt() != 0)
     {
-        //this->settings.endArray();
+        // asking if we load the list and continue downloading
         msgBox.setWindowTitle("RsyncUI");
         msgBox.setInformativeText(tr("A list of interrupted downloads exists, do you want to continue downloading ? if not the list will be cleared" ));
 
-        //QPushButton *remove = msgBox.addButton(tr("Remove"), QMessageBox::ActionRole);
         QPushButton *yes = msgBox.addButton(QMessageBox::Yes);
-
         msgBox.addButton(QMessageBox::No);
         msgBox.setDefaultButton(QMessageBox::Yes);
 
         msgBox.exec();
         reply = msgBox.clickedButton();
+
+        // if response is yes then loading list
         if(reply == yes)
         {
             loadDownloadList();
         }
     }
+    // load list of services
     populateList();
+    initSystemTrayIcon();
+}
+
+void MainWindow::initSystemTrayIcon()
+{
+    QMenu *trayIconMenu;
+    QAction * quitAction;
+
+    this->trayIcon = new QSystemTrayIcon;
+    this->trayIcon->setIcon(this->windowIcon());
+
+    quitAction = new QAction(tr("&Quit"), this);
+    connect(quitAction, &QAction::triggered, this, &MainWindow::quitApp);
+
+    trayIconMenu = new QMenu(this);
+    trayIconMenu->addAction(quitAction);
+    trayIcon->setContextMenu(trayIconMenu);
+
+    connect(this->trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(on_trayIcon_clicked(QSystemTrayIcon::ActivationReason)));
+    this->trayIcon->show();
+}
+
+void MainWindow::on_trayIcon_clicked(QSystemTrayIcon::ActivationReason reason)
+{
+    if (reason == QSystemTrayIcon::Trigger)
+    {
+        if (this->isHidden())
+        {
+            this->show();
+        }else
+        {
+            this->hide();
+        }
+    }
+}
+
+void MainWindow::hideWindow()
+{
+    this->hide();
+}
+
+void MainWindow::showWindow()
+{
+    this->show();
 }
 
 MainWindow::~MainWindow()
 {
     delete ui;
+    QCoreApplication::quit();
 }
 
-// Closing window has been clicked
+void MainWindow::quitApp()
-void MainWindow::closeEvent (QCloseEvent *event)
 {
     QMessageBox::StandardButton reply;
     QMessageBox::StandardButtons param;
+    QString displayText;
 
     // saving settings
     saveSettings();
@@ -128,19 +179,16 @@ void MainWindow::closeEvent (QCloseEvent *event)
         if (config.autosaveCheckbox->checkState() != Qt::Checked)
         {
             param |= QMessageBox::Save;
+            displayText = tr("Clicking Save button, You can save the list of downloads\n");
         }
         reply = QMessageBox::question(
                 this,
                 "RsyncUI",
-                tr("Exiting will stop downloading, and will clear the download queue.\nYou can save the list of downloads\nDo you want to exit ?"),
+                tr("Exiting will stop downloading, and will clear the download queue.\nDo you want to exit ?") + displayText,
                 param,
                 QMessageBox::No);
-        if (reply == QMessageBox::No)
+
-        {
+        if(reply == QMessageBox::Yes)
-            // continuing
-            event->ignore();
-            return;
-        }else if(reply == QMessageBox::Yes)
         {
             // emission of signal to downloading thread and stopping
             emit (stopDownloading(this->downloading.process));
@@ -149,13 +197,50 @@ void MainWindow::closeEvent (QCloseEvent *event)
             saveDownloadList();
         }
     }
-    event->accept();
+    delete ui;
+    QCoreApplication::quit();
+}
+
+// Close window has been clicked
+void MainWindow::closeEvent (QCloseEvent *event)
+{
+    QMessageBox msgBox;
+    QCheckBox *cb = new QCheckBox("Don't show this again ?");
+    QAbstractButton * reply;
+
+    if (!event->spontaneous() || !isVisible())
+           return;
+        if (trayIcon->isVisible() and this->settings.value("CloseCheckbox").toBool() == false)
+        {
+            msgBox.setWindowTitle("RsyncUI");
+            msgBox.setInformativeText(tr("The program will keep running in the "
+                                       "system tray. To terminate the program, "
+                                       "choose <b>Quit</b> in the context menu "
+                                       "of the system tray entry."));
+
+            msgBox.addButton(QMessageBox::Ok);
+            //msgBox.addButton(QMessageBox::No);
+            // msgBox.setDefaultButton(QMessageBox::Yes);
+            msgBox.setCheckBox(cb);
+            msgBox.exec();
+            reply = msgBox.clickedButton();
+
+            // if response is yes then loading list
+            if (cb->isChecked())
+            {
+                this->settings.setValue("CloseCheckbox", true);
+            }
+            hide();
+
+
+            //event->accept();
+            event->ignore();
+       }
 }
 
 // Populate treeview with list of files
 void MainWindow::populateTree(QTreeWidgetItem * parent)
 {
-    stringstream ss;
     QString path;
 
     // Clear treewidget
@@ -165,6 +250,7 @@ void MainWindow::populateTree(QTreeWidgetItem * parent)
         // setting cursor to "Wait"
         QGuiApplication::setOverrideCursor(Qt::WaitCursor);
 
+        // validating server's address
         if (validateServer(this->connexion.server))
         {
             // server is validated
@@ -179,8 +265,6 @@ void MainWindow::populateTree(QTreeWidgetItem * parent)
 // Populate Listview with list of services
 void MainWindow::populateList()
 {
-    //stringstream ss;
-    QString str;
     QString server;
     int port;
 
@@ -190,9 +274,11 @@ void MainWindow::populateList()
     {
         // clearing listwidget
         ui->listWidget->clear();
+
         this->connexion.server = server;
         this->connexion.port = port;
 
+        // setting cursor to "Wait"
         QGuiApplication::setOverrideCursor(Qt::WaitCursor);
 
         // verify if server is in history
@@ -203,6 +289,8 @@ void MainWindow::populateList()
             port = this->settings.value(server).toUInt();
             ui->portEdit->setText(QString::number(port));
             this->connexion.port = port;
+
+            //display list of services
             listServices();
         }else
         {
@@ -211,6 +299,7 @@ void MainWindow::populateList()
                 if (validateServer(server))
                 {
                     cout << server.toStdString() << endl;
+
                     // storing serverURL and port in settings
                     this->settings.setValue(server, port);
                     this->settings.sync();
@@ -219,14 +308,13 @@ void MainWindow::populateList()
                     // storing in history of combobox
                     ui->khistorycombobox->addToHistory(server);
 
-                    // "waiting" cursor
                     // load and display rsync services of the rsync server
                     listServices();
                 }
             }
         }
         this->settings.endGroup();
-        QGuiApplication::restoreOverrideCursor();  //setOverrideCursor(Qt::ArrowCursor);
+        QGuiApplication::restoreOverrideCursor();  //setting cursor to default
     }
 }
 
@@ -247,26 +335,32 @@ void MainWindow::listServices()
     myProcess = new QProcess(this);
     myProcess->start(cmd, param);
 
+    // waiting for response of the server with a timeout of 10 seconds
     while(myProcess->waitForReadyRead(10000))
     {
         while(!flag)
         {
             line = QString::fromUtf8(myProcess->readLine());
+            // line empty then buffer is empty so returning to wait new datas
             if (line.isEmpty())
             {
                 flag = true;
                 break;
             }
+            // extracting name and comment of the service
             v = line.split("\t");
             v[0].replace(" ", "");
             v[1].replace("\n", "");
             service = v[0] + "\n\t" + v[1];
 
+            // adding to list of services
             ui->listWidget->addItem(service);
         }
+        // buffer empty go to waiting new datas
         flag =false;
     }
 
+    // verifying error code
     testRsyncReturn(myProcess);
 }
 
@@ -276,10 +370,8 @@ void MainWindow::scanDir(QString server, int portN, QTreeWidgetItem *parent, QSt
     QString cmd;
     QStringList param;
     QString line;
-    QString errorRsync;
     QString size;
     QString filename;
-    QString dir;
     QTreeWidgetItem * item;
     QProcess * myProcess;
     bool isDir = false;
@@ -291,16 +383,19 @@ void MainWindow::scanDir(QString server, int portN, QTreeWidgetItem *parent, QSt
     myProcess = new QProcess(this);
     myProcess->start(cmd, param);
 
+    // waiting for response of the server with a timeout of 10 seconds
     while(myProcess->waitForReadyRead(100000))
     {
         while (!flag)
         {
             line = QString::fromUtf8(myProcess->readLine());
+            // line empty then buffer is empty so returning to wait new datas
             if (line.isEmpty())
             {
                 flag = true;
                 break;
             }
+            // extracting name, size and is dir/file
             line = line.simplified();
             size = line.section(" ", 1, 1);
             filename = line.section(" ", 4);
@@ -315,16 +410,19 @@ void MainWindow::scanDir(QString server, int portN, QTreeWidgetItem *parent, QSt
                 }
                 if (parent != NULL)
                 {
+                    //adding item to tree
                     item = addTreeChild(parent, filename, size, isDir);
                 }else
                 {
+                    //adding item to tree (as directory)
                     item = addTreeRoot(filename, size, isDir);
                 }
             }
         }
+
         flag = false;
     }
-
+    // buffer empty go to waiting new datas
     testRsyncReturn(myProcess);
 }
 
@@ -333,7 +431,6 @@ bool MainWindow::isIpAddress(QString server)
 {
     QStringList r;
     int elementN;
-    QString qr;
     bool ok;
 
     r = server.split('.');
@@ -360,9 +457,9 @@ bool MainWindow::validateServer(QString server)
     QString cmd;
     QStringList param;
     QString line;
-    QString errorDig;
     QProcess * myProcess;
     bool flag = false;
+    bool bflag = false;
 
     cmd = "dig";
     param << server;
@@ -370,23 +467,35 @@ bool MainWindow::validateServer(QString server)
     myProcess = new QProcess(this);
     myProcess->start(cmd, param);
 
+    // maiking a dig on the server's address
     while(myProcess->waitForReadyRead())
+    {
+        while (!bflag)
         {
             line = QString::fromUtf8(myProcess->readAllStandardOutput());
-        if (line.indexOf(";; ANSWER SECTION:") != -1)
+            // line empty then buffer is empty so returning to wait new datas
+            if (line.isEmpty())
+            {
+                bflag = true;
+                break;
+            }else if (line.indexOf(";; ANSWER SECTION:") != -1)
             {
                 flag = true;
             }
         }
+        bflag = false;
+    }
 
     //testRsyncReturn(myProcess);
 
     if ( flag == false)
     {
+        //server's address is not valid testing if ip address is valid
         flag = isIpAddress(server);
     }
     if ( flag == false)
     {
+        // server-s address not valid
         QMessageBox::warning(
             this,
             "RsyncUI",
@@ -412,15 +521,15 @@ void MainWindow::on_connectButton_clicked()
 // add a dir in treeview
 QTreeWidgetItem * MainWindow::addTreeRoot(QString name, QString fileSize, bool isDir)
 {
-    // QTreeWidgetItem(QTreeWidget * parent, int type = Type)
     QTreeWidgetItem *treeItem = new QTreeWidgetItem(ui->treeWidget);
 
-    // QTreeWidgetItem::setText(int column, const QString & text)
     if (isDir == true)
     {
+        // item is a dir
         treeItem->setText(1, tr("Dir"));
     }else
     {
+        // item is a file
         treeItem->setText(1,tr("File"));
     }
     treeItem->setText(0, name);
@@ -432,15 +541,15 @@ QTreeWidgetItem * MainWindow::addTreeRoot(QString name, QString fileSize, bool i
 // add a file in treeview
 QTreeWidgetItem * MainWindow::addTreeChild(QTreeWidgetItem *parent, QString name, QString fileSize, bool isDir)
 {
-    // QTreeWidgetItem(QTreeWidget * parent, int type = Type)
     QTreeWidgetItem *treeItem = new QTreeWidgetItem();
 
-    // QTreeWidgetItem::setText(int column, const QString & text)
     if (isDir == true)
     {
+        // item is a dir
         treeItem->setText(1, tr("Dir"));
     }else
     {
+        // item is a file
         treeItem->setText(1,("File"));
     }
     treeItem->setText(0, name);
@@ -454,13 +563,14 @@ QTreeWidgetItem * MainWindow::addTreeChild(QTreeWidgetItem *parent, QString name
 // Slot acivated when a service in the list is clicked
 void MainWindow::on_listWidget_clicked()
 {
-    QString service;
     QString str;
 
     this->connexion.service = ui->listWidget->currentItem()->text().section("\n", 0 ,0);
     str = "Folder/" + this->connexion.server + "/" + this->connexion.service;
+    // if service exists in settings for this server
     if (this->settings.contains(str))
     {
+        // setting savePath from settings
         this->downloading.savePath = this->settings.value(str).toString();
     }
     populateTree(NULL);
@@ -474,24 +584,15 @@ void MainWindow::on_treeWidget_itemClicked(QTreeWidgetItem *item, bool downloadD
     QTreeWidgetItem * itemR;
     QString path;
     QString str;
+    QMessageBox::StandardButton reply;
 
     itemR = item;
 
+    // assembling path from treewidget
     path = item->text(0);
-    while(itemR->parent() != NULL)
-    {
-        itemR = itemR->parent();
-        path = itemR->text(0) + "/" + path;
-    };
 
-    if (item->text(1) == tr("File") or downloadDir == true)
-    {
-        // Item is a file
-
-        if(ui->listDownload->findItems(path, Qt::MatchStartsWith).empty())
-        {
     // exists saving path in settings ?
-            str = "Folder/" + this->connexion.server + "/" + this->downloading.service;
+    str = "Folder/" + this->connexion.server + "/" + this->connexion.service;
     if(!this->settings.contains(str))
     {
         // saving path do not exists, asking for it
@@ -500,8 +601,43 @@ void MainWindow::on_treeWidget_itemClicked(QTreeWidgetItem *item, bool downloadD
             cout << "no directory selectioned, ignoring download request";
             return;
         }
+    }else
+    {
+        this->downloading.savePath = this->settings.value(str).toString();
     }
 
+
+    while(itemR->parent() != NULL)
+    {
+        itemR = itemR->parent();
+        // concatening parent to path
+        path.prepend(itemR->text(0) + "/");
+    };
+
+    if (item->text(1) == tr("File") or downloadDir == true)
+    {
+        // Item is a file
+        // searching if file exists in savepath
+        if (QFile::exists(this->downloading.savePath + "/" + path))
+        {
+            reply = QMessageBox::question(
+                    this,
+                    "RsyncUI",
+                    tr("File is already downloaded. Do you want to reload it ? The old file will be deleted"),
+                    QMessageBox::Yes|QMessageBox::No,
+                    QMessageBox::No);
+
+            if (reply == QMessageBox::No)
+            {
+                return;
+            }else
+            {
+                QFile::remove(this->downloading.savePath + "/" + path);
+            }
+        }
+
+        if(ui->listDownload->findItems(path, Qt::MatchStartsWith).empty())
+        {
             // is there a downloading process ?
             if (this->downloading.process == nullptr)
             {
@@ -510,13 +646,20 @@ void MainWindow::on_treeWidget_itemClicked(QTreeWidgetItem *item, bool downloadD
                 this->downloading.server = this->connexion.server;
                 this->downloading.service = this->connexion.service;
                 startDownloading();
-                // wit 1 second to process start
+                // wait 1 second to process start
                 //sleep(1);
             }
 
             // Adding download in download list
             str = path + " => " + this->connexion.server + "/" + this->connexion.service;
             ui->listDownload->addItem(str);
+        }else
+        {
+            QMessageBox::warning(
+                this,
+                "RsyncUI",
+                tr("File is already downloading" )
+            );
         }
     }else
     {
@@ -550,9 +693,10 @@ void MainWindow::stoppingDownload()
 void MainWindow::downloadFinished(int exitCode, QProcess::ExitStatus exitStatus)
 {
     QString path;
-    int pos;
     QString str;
+    int pos;
 
+    // test if process crashed
     if (exitStatus == QProcess::CrashExit)
     {
         QMessageBox::warning(
@@ -560,25 +704,36 @@ void MainWindow::downloadFinished(int exitCode, QProcess::ExitStatus exitStatus)
             "RsyncUI",
             tr("Rsync process crashed"));
     }
+    //test result code of command (if 20 then command stopped by user)
     if (exitCode != 0 and exitCode != 20)
     {
+        // displaying warning with exit code
         QMessageBox::warning(
             NULL,
             "RsyncUI",
             rsyncErrorStrings[exitCode]);
     }
 
+    // disconnecting signals to slots
     disconnect(this->downloading.process, 0, 0, 0);
+
+    // reset variables and window
     this->downloading.process = nullptr;
     ui->progressBar->hide();
     delete ui->listDownload->takeItem(0);
     this->downloading.clear();
+
+    // Some downloads staying in queue
     if (ui->listDownload->count() != 0)
     {
+        // autosave is activated
         if (config.autosaveCheckbox->checkState() == Qt::Checked)
         {
+            // saving download list
             saveDownloadList();
         }
+
+        // initializing download
         path = ui->listDownload->item(0)->text();
         pos = path.lastIndexOf("/");
         this->downloading.service = path.midRef(pos+1).toString();
@@ -587,12 +742,17 @@ void MainWindow::downloadFinished(int exitCode, QProcess::ExitStatus exitStatus)
         this->downloading.server = path.midRef(pos+4).toString();
         path.resize(pos);
         this->downloading.path = path;
+
+        // savepath exists in settings ?
         str = "Folder/" + this->downloading.server + "/" + this->downloading.service;
         if (this->settings.contains(str))
         {
+            // setting savepath from saved settings
             this->downloading.savePath = this->settings.value(str).toString();
+            startDownloading();
         }else
         {
+            // no save path
             if(!on_DefaultSaveFolder_triggered())
             {
                 cout << "Error no save path so deleting download";
@@ -600,20 +760,19 @@ void MainWindow::downloadFinished(int exitCode, QProcess::ExitStatus exitStatus)
                 return;
             }
         }
-        startDownloading();
     }
+    saveDownloadList();
 }
 
 
 // Slot activated when a line is clicked in queue list
 void MainWindow::on_listDownload_itemClicked(QListWidgetItem *item)
 {
-    QFileDialog dialog;
     QMessageBox::StandardButton reply;
 
-    //cout << item->text().toStdString() << endl;
     if (item->listWidget()->row(item) == 0)
     {
+        // first line clicked on download list
         reply = QMessageBox::question(
                 this,
                 "RsyncUI",
@@ -622,10 +781,12 @@ void MainWindow::on_listDownload_itemClicked(QListWidgetItem *item)
                 QMessageBox::No);
         if (reply == QMessageBox::Yes)
         {
+            // stopping download
             emit (stopDownloading(this->downloading.process));
         }
     }else
     {
+        // not first line on download list
         reply = QMessageBox::question(
                 this,
                 "RsyncUI",
@@ -634,10 +795,12 @@ void MainWindow::on_listDownload_itemClicked(QListWidgetItem *item)
                 QMessageBox::No);
         if (reply == QMessageBox::Yes)
         {
+            // removing line from download list
             ui->listDownload->removeItemWidget(item);
             delete item;
             if (config.autosaveCheckbox->checkState() == Qt::Checked)
             {
+                // autosave acivated,so saving download list
                 saveDownloadList();
             }
         }
@@ -694,7 +857,6 @@ void MainWindow::saveSettings()
 // About
 void MainWindow::on_actionAbout_triggered()
 {
-    //TODO => initialisation
     QString text =  this->about.description + "\n\n" +
                     tr("Version") + ":     " + this->about.version + "\n" +
                     tr("Licence") + ":     " + this->about.licence + "\n" +
@@ -717,6 +879,7 @@ bool MainWindow::on_DefaultSaveFolder_triggered()
      QString folder;
      QString path;
 
+     // if service not selected display a message
      if (this->connexion.service.isEmpty())
      {
         QMessageBox::warning(
@@ -725,12 +888,15 @@ bool MainWindow::on_DefaultSaveFolder_triggered()
                 tr("Since the save path is linked to service, you need to select a service before you can select a folder"));
                 return false;
      }
+
+     // Asking for directory to save files
      path =  dialog.getExistingDirectory(this, tr("Choose folder where to save file"), QDir::homePath(), QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);
      if (!path.isEmpty())
      {
         this->downloading.savePath = path;
         if (!this->connexion.service.isEmpty() and !this->connexion.server.isEmpty())
         {
+            // saving save path in settings
             folder = "Folder/" + this->connexion.server + "/" + this->connexion.service;
             this->settings.setValue(folder, this->downloading.savePath);
             this->settings.sync();
@@ -759,6 +925,7 @@ void MainWindow::on_buttonBox_accepted()
     bw = config.spinBox->text();
     if (bw.toInt() == 0)
     {
+        // bandwidth = 0
         this->connexion.bandwidthLimit = 0;
         this->connexion.bandwidthLimitUnit = 0;
     }else
@@ -780,9 +947,11 @@ void MainWindow::saveDownloadList()
 {
     int nRows;
 
+    // remove list of downloads
     this->settings.remove("Downloads/");
+
+    // Saving list of current downloads
     nRows = ui->listDownload->count();
-    //this->settings.beginWriteArray("Downloads/");
     this->settings.beginGroup("Downloads");
     this->settings.setValue("rows", nRows);
     for (int i = 0; i < nRows; i++)
@@ -793,12 +962,14 @@ void MainWindow::saveDownloadList()
     this->settings.sync();
 }
 
+// Loading download list
 void MainWindow::loadDownloadList()
 {
     QString path;
     QString str;
     int pos;
 
+    this->settings.sync();
     this->settings.beginGroup("Downloads");
     int size = this->settings.value("rows").toInt();
     for (int i = 0; i < size; ++i)
@@ -807,8 +978,6 @@ void MainWindow::loadDownloadList()
     }
     this->settings.endGroup();
 
-    this->settings.sync();
-
     path = ui->listDownload->item(0)->text();
     pos = path.lastIndexOf("/");
     this->downloading.service = path.midRef(pos+1).toString();
@@ -825,6 +994,7 @@ void MainWindow::loadDownloadList()
     startDownloading();
 }
 
+// clear object downloading
 void Downloading::clear()
 {
     this->path.clear();
@@ -833,6 +1003,7 @@ void Downloading::clear()
     this->service.clear();
 }
 
+// Context menu of file list clicked
 void MainWindow::on_actionDownload_triggered()
 {
     // action made in qt-designer and added in init function.
@@ -852,7 +1023,13 @@ void MainWindow::on_actionDownload_triggered()
 }
 */
 
+// Chnage toolbar style
 void MainWindow::on_comboBox_currentIndexChanged(int index)
 {
     ui->toolBar->setToolButtonStyle((Qt::ToolButtonStyle)index);
 }
+
+void MainWindow::on_actionExit_triggered()
+{
+    quitApp();
+}

mainwindow.h

@@ -39,6 +39,9 @@
 #include <QProcess>
 #include <QToolBar>
 #include <QDir>
+#include <QSystemTrayIcon>
+#include <QMenu>
+#include<QTranslator>
 
 QT_BEGIN_NAMESPACE
 namespace Ui { class MainWindow; }
@@ -73,7 +76,7 @@ class About
 {
     public:
         QString title = "RsyncUI";
-        QString version = "1.9.2";
+        QString version = "2.1.2";
         QString author = "Daniel TARTAVEL-JEANNOT";
         QString licence = "GPL_V3";
         QString description;
@@ -98,6 +101,7 @@ class MainWindow : public QMainWindow
         QDialog Configuration;
         Ui::Configuration config;
         std::vector <QString> serversList;
+        QSystemTrayIcon * trayIcon;
         QList<QString> bwUnitText {
             "KB",
             "MB",
@@ -139,6 +143,9 @@ class MainWindow : public QMainWindow
         void saveDownloadList();
         void loadDownloadList();
         void download();
+        void initSystemTrayIcon();
+        void hideWindow();
+        void showWindow();
 
     private slots:
 
@@ -180,6 +187,12 @@ class MainWindow : public QMainWindow
 
         void cancelled(QProcess *);
 
+        void on_trayIcon_clicked(QSystemTrayIcon::ActivationReason reason);
+
+        void quitApp();
+
+        void on_actionExit_triggered();
+
 signals:
         void stopDownloading(QProcess *);
         void progressSignal(int);

mainwindow.ui

@@ -20,6 +20,9 @@
   <property name="windowTitle">
    <string>MainWindow</string>
   </property>
+  <property name="windowIcon">
+   <iconset theme="/usr/share/icons/RsyncUI.png"/>
+  </property>
   <property name="toolButtonStyle">
    <enum>Qt::ToolButtonTextUnderIcon</enum>
   </property>
@@ -395,6 +398,7 @@
    <addaction name="action_Settings"/>
    <addaction name="actionAbout"/>
    <addaction name="actionAbout_Qt"/>
+   <addaction name="actionExit"/>
   </widget>
   <action name="DefaultSaveFolder">
    <property name="icon">
@@ -443,6 +447,20 @@
     <string>Click on menu button to download the entire folder</string>
    </property>
   </action>
+  <action name="actionExit">
+   <property name="icon">
+    <iconset theme="application-exit"/>
+   </property>
+   <property name="text">
+    <string>Exit</string>
+   </property>
+   <property name="toolTip">
+    <string>Terminate the program</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+Q</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>

tools.cpp

@@ -43,6 +43,7 @@ const vector<string> explode(const string& s, const char& c, int n = 0)
     return v;
 }
 
+// test return code of rsync
 bool testRsyncReturn(QProcess * myProcess)
 {
     if (myProcess->exitStatus() != 0)