Added support for settings

core/settingsform.h

@@ -0,0 +1,32 @@
+#ifndef SETTINGSFORM_H
+#define SETTINGSFORM_H
+
+#include <QWidget>
+#include <QDialog>
+
+namespace Ui {
+class SettingsForm;
+}
+
+class SettingsForm : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit SettingsForm(QWidget *parent = 0);
+    ~SettingsForm();
+
+private slots:
+    void on_buttonBox_accepted();
+
+    void on_buttonBox_rejected();
+
+private:
+    Ui::SettingsForm *ui;
+
+    // QDialog interface
+public slots:
+    void accept() override;
+};
+
+#endif // SETTINGSFORM_H