/*
 * Copyright 2006-2007, Haiku, Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef _MENU_ITEM_H
#define _MENU_ITEM_H
 

#include <Archivable.h>
#include <InterfaceDefs.h>
#include <Invoker.h>
#include <Menu.h>

class BMessage;
class BWindow;


class BMenuItem : public BArchivable, public BInvoker {
	public:
							BMenuItem(const char* label, BMessage* message,
								char shortcut = 0, uint32 modifiers = 0);
							BMenuItem(BMenu* menu, BMessage* message = NULL);
							BMenuItem(BMessage* data);
		virtual				~BMenuItem();

		static BArchivable*	Instantiate(BMessage* archive);
		virtual	status_t	Archive(BMessage* archive, bool deep = true) const;

		virtual	void		SetLabel(const char* name);
		virtual	void		SetEnabled(bool enabled);
		virtual	void		SetMarked(bool marked);
		virtual void		SetTrigger(char trigger);
		virtual void		SetShortcut(char shortcut, uint32 modifiers);

		const char*			Label() const;
		bool				IsEnabled() const;
		bool				IsMarked() const;
		char				Trigger() const;
		char				Shortcut(uint32* _modifiers = NULL) const;

		BMenu*				Submenu() const;
		BMenu*				Menu() const;
		BRect				Frame() const;

	protected:
		virtual	void		GetContentSize(float* _width, float* _height);
		virtual	void		TruncateLabel(float maxWidth, char* newLabel);
		virtual	void		DrawContent();
		virtual	void		Draw();
		virtual	void		Highlight(bool enabled);
		bool				IsSelected() const;
		BPoint				ContentLocation() const;

	private:
		friend class BMenu;
		friend class BPopUpMenu;
		friend class BMenuBar;

		virtual	void		_ReservedMenuItem1();
		virtual	void		_ReservedMenuItem2();
		virtual	void		_ReservedMenuItem3();
		virtual	void		_ReservedMenuItem4();

		void				Install(BWindow* window);
		void				Uninstall();
		void				SetSuper(BMenu* superMenu);
		void				Select(bool select);
		void				SetAutomaticTrigger(int32 index, uint32 trigger);

	protected:
		virtual	status_t	Invoke(BMessage *msg = NULL);

	private:
							BMenuItem(const BMenuItem& other);
		BMenuItem&			operator=(const BMenuItem& other);

		void				_InitData();
		void				_InitMenuData(BMenu* menu);

		void				_DrawMarkSymbol(rgb_color backgroundColor);
		void				_DrawShortcutSymbol();
		void				_DrawSubmenuSymbol(rgb_color backgroundColor);
		void				_DrawControlChar(char shortcut, BPoint where);

		char*				fLabel;
		BMenu*				fSubmenu;
		BWindow*			fWindow;
		BMenu*				fSuper;
		BRect				fBounds;
		uint32				fModifiers;
		float				fCachedWidth;
		int16				fTriggerIndex;
		char				fUserTrigger;
		char				fShortcutChar;
		bool				fMark;
		bool				fEnabled;
		bool				fSelected;
		uint32				fTrigger;

		uint32				_reserved[3];
};

// BSeparatorItem now has its own declaration file, but for source
// compatibility we're exporting that class from here too.
#include <SeparatorItem.h>

#endif /* _MENU_ITEM_H */