Move variable files to to variables folder

lib/variables/variable-line-edit.hpp

@@ -0,0 +1,22 @@
+#pragma once
+#include "variable-string.hpp"
+
+#include <QLineEdit>
+
+namespace advss {
+
+class VariableLineEdit : public QLineEdit {
+	Q_OBJECT
+public:
+	EXPORT VariableLineEdit(QWidget *parent);
+	EXPORT void setText(const QString &);
+	EXPORT void setText(const StringVariable &);
+	EXPORT void setToolTip(const QString &string);
+
+private slots:
+	void DisplayValidationMessages();
+
+private:
+};
+
+} // namespace advss