cleaning\ncorrections of code

mainwindow.h

@@ -7,41 +7,13 @@
 #include "ui_configuration.h"
 #include "ui_about.h"
 #include <QMainWindow>
-#include <string>
-#include <QTreeWidgetItem>
-#include <QList>
-#include <QListWidgetItem>
-#include <QProgressDialog>
 #include <QSettings>
-#include <vector>
-#include <iostream>
-#include <KTreeWidgetSearchLineWidget>
-#include <pstreams/pstream.h>
-#include <sstream>
-#include <cstring>
-#include <stdio.h>
-#include <cstdio>
 #include <QMessageBox>
-#include <boost/algorithm/string/replace.hpp>
 #include <QFileDialog>
-#include <QThread>
 #include <QProgressDialog>
-#include <sys/wait.h>
-#include <QGuiApplication>
-#include <QShortcut>
-#include <QCloseEvent>
-#include <unistd.h>
-#include <magic.h>
-#include <QComboBox>
-#include <QStringBuilder>
-#include <pwd.h>
 #include <QProcess>
-#include <QToolBar>
-#include <QDir>
 #include <QSystemTrayIcon>
-#include <QMenu>
 #include <QTranslator>
-#include <QInputDialog>
 
 QT_BEGIN_NAMESPACE
 namespace Ui { class MainWindow; }
@@ -69,7 +41,7 @@ class Connexion
 	bool paused = false;
 };
 
-class Downloading
+/*class Downloading
 {
 	public:
 	QString server;
@@ -85,7 +57,7 @@ class Downloading
 	bool paused = false;
 
 	void clear();
-};
+};*/
 
 class About
 {
@@ -94,8 +66,8 @@ class About
 	QString author = "Daniel TARTAVEL-JEANNOT";
 	QString licence = "GPL_V3";
 	QString description;
-		QString email = "dtux@free.fr";
-		QString git = "https://git.labolyon.fr/dtux/RsyncUI/issues";
+	QString email = "dtux@free.fr";
+	QString git = "https://git.labolyon.fr/dtux/RsyncUI/issues";
 };
 
 class MainWindow : public QMainWindow
@@ -103,12 +75,12 @@ class MainWindow : public QMainWindow
 	Q_OBJECT
 
 	public:
-	Ui::MainWindow *ui;
-	MainWindow(QWidget *parent = nullptr);
-	~MainWindow();
-	// passwdManager;
-	QProgressDialog *progress;
-	Connexion connexion;
+		Ui::MainWindow *ui;
+		MainWindow(QWidget *parent = nullptr);
+		~MainWindow();
+		// passwdManager;
+		QProgressDialog *progress;
+		Connexion connexion;
 		Connexion downloading;
 		QSettings settings;
 		About about;
@@ -134,6 +106,7 @@ class MainWindow : public QMainWindow
 			tr("TB"),
 			tr("PB")
 		};
+
 		QList<QChar> bwUnitChar
 		{
 			'K',