added: input and its subclasses

src/curses_input.h

@@ -0,0 +1,17 @@
+#ifndef __CURSES_INPUT_H__
+#define __CURSES_INPUT_H__
+
+#include <memory>
+#include "input.h"
+#include "constants.h"
+#include "cursor.h"
+
+class curses_input final: public input {
+private:
+        const std::unique_ptr<cursor> &curse;
+public:
+        curses_input(const std::unique_ptr<cursor> &new_curse);
+        game_command get_command() override;
+};
+
+#endif