settings implemented

src/gui/settingsdialog.h

@@ -0,0 +1,21 @@
+#ifndef SETTINGS_DIALOG_H
+#define SETTINGS_DIALOG_H
+
+#include "ui_settingsdialog.h"
+
+#include <QDialog>
+
+class SettingsDialog : public QDialog
+{
+  public:
+    SettingsDialog(QWidget* parent = nullptr,
+                   Qt::WindowFlags f = Qt::WindowTitleHint | Qt::WindowSystemMenuHint);
+
+  public slots:
+    void accept() override;
+
+  private:
+    Ui::SettingsDialog ui_;
+};
+
+#endif