Add ability to edit command line arguments, and enable cheats

hecl-gui/ArgumentEditor.hpp

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <QDialog>
+#include <QStringListModel>
+
+class QAbstractButton;
+
+namespace Ui {
+class ArgumentEditor;
+}
+
+class ArgumentEditor : public QDialog {
+  Q_OBJECT
+  Ui::ArgumentEditor* m_ui;
+  QStringListModel m_model;
+public:
+  explicit ArgumentEditor(QWidget* parent = 0);
+  virtual ~ArgumentEditor();
+
+private slots:
+  void on_addButton_clicked();
+  void on_editButton_clicked();
+  void on_deleteButton_clicked();
+  void on_buttonBox_clicked(QAbstractButton*);
+};
+