menu/control: controls are now owned by other controls

controls could now be owned by other controls, that are responsible
for destruction of their slaves

1 files changed, 12 insertions, 4 deletions

diff --git a/src/menu/control.hpp b/src/menu/control.hpp
index d0b70d4f..f105b69c 100644
--- a/src/menu/control.hpp
+++ b/src/menu/control.hpp
@@ -27,20 +27,28 @@
 #ifndef CONTROL_HPP
 #define CONTROL_HPP
 
+#include <list>
+
 namespace usdx
 {
 	class Control
 	{
 	private:
-		Control* parent;
+		Control* owner;
+
+	protected:
+		std::list<Control*> slaves;
+
+		void add(Control *new_slave);
+		void remove(Control *slave);
 
 	public:
-		Control(Control *parent);
+		Control(Control *owner);
 		virtual ~Control();
 
-		void set_parent(Control *parent);
+		void set_owner(Control *owner);
 
-		Control* get_parent(void) const;
+		Control* get_owner(void) const;
 	};
 };