Expand GUI for sequencing and input from file

frontend_qt4/sequencewindow.cpp

@@ -0,0 +1,28 @@
+#include <QDebug>
+#include <QFile>
+#include <QUiLoader>
+
+#include "sequencewindow.h"
+#include <stdio.h>
+
+SequenceWindow::SequenceWindow()
+{
+	setupUi(this);
+
+	connect(btnClose, SIGNAL( clicked( bool )), SLOT(quit_now()));
+	connect(btnReset, SIGNAL( clicked( bool )), SLOT(reset_preview()));
+}
+
+SequenceWindow::~SequenceWindow()
+{
+}
+
+void SequenceWindow::quit_now()
+{
+	close();
+}
+
+void SequenceWindow::reset_preview()
+{
+	txtPreview->clear();
+}