Add a settings syste.

Adds a settings system so that things like window size and posaition can be saved and persisted cross uses also adds an overide to the close event tosave the settings on close.

src/mainwindow.cpp

@@ -9,6 +9,7 @@ MainWindow::MainWindow(QWidget *parent)
     createActions();
     createMenus();
     this->setWindowIcon(QIcon::fromTheme(QIcon::ThemeIcon::Computer));
+    initSettings();
 }
 
 MainWindow::~MainWindow()
@@ -47,3 +48,28 @@ void MainWindow::about()
     QMessageBox::about(this, tr("About SOM"),
                        tr("<b>SOM</b> is a tool to manage and organise Sparkleverse OS building."));
 }
+
+void MainWindow::initSettings()
+{
+    QSettings settings("SOM", "SOM");
+    if (!settings.contains("window/size")) {
+        settings.setValue("window/size", QSize(800, 600));
+        settings.setValue("window/position", (this->screen()->geometry().center() - this->frameGeometry().center()));
+        settings.sync();
+    }
+        resize(settings.value("window/size", QSize(800, 600)).toSize());
+        move(settings.value("window/position", QPoint(100, 100)).toPoint());
+}
+
+void MainWindow::saveSettings()
+{
+    QSettings settings("SOM", "SOM");
+    settings.setValue("window/size", size());
+    settings.setValue("window/position", pos());
+}
+
+void MainWindow::closeEvent(QCloseEvent *event)
+{
+    saveSettings();
+    QMainWindow::closeEvent(event);
+}

src/mainwindow.h

@@ -25,6 +25,8 @@ private:
     Ui::MainWindow *ui;
     void createActions();
     void createMenus();
+    void initSettings();
+    void saveSettings();
     QMenu *fileMenu;
     QMenu *editMenu;
     QMenu *helpMenu;
@@ -35,5 +37,8 @@ private:
 private slots:
     void about();
 
+protected:
+    void closeEvent(QCloseEvent *event) override;
+
 };
 #endif // MAINWINDOW_H