/**

 * vim: set ts=4 :

 * =============================================================================

 * SourceMod

 * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.

 * =============================================================================

 *

 * This program is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License, version 3.0, as published by the

 * Free Software Foundation.

 * 

 * This program is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more

 * details.

 *

 * You should have received a copy of the GNU General Public License along with

 * this program.  If not, see <http://www.gnu.org/licenses/>.

 *

 * As a special exception, AlliedModders LLC gives you permission to link the

 * code of this program (as well as its derivative works) to "Half-Life 2," the

 * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software

 * by the Valve Corporation.  You must obey the GNU General Public License in

 * all respects for all other code used.  Additionally, AlliedModders LLC grants

 * this exception to all derivative works.  AlliedModders LLC defines further

 * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),

 * or <http://www.sourcemod.net/license.php>.

 *

 * Version: $Id$

 */

#ifndef _INCLUDE_MENUSTYLE_RADIO_H

#define _INCLUDE_MENUSTYLE_RADIO_H

#include "sm_globals.h"

#include "MenuManager.h"

#include "MenuStyle_Base.h"

#include "sourcemm_api.h"

#include <IPlayerHelpers.h>

#include <IUserMessages.h>

#include "sm_fastlink.h"

#include <sh_stack.h>

#include <compat_wrappers.h>

using namespace SourceMod;

class CRadioDisplay;

class CRadioMenu;

class CRadioMenuPlayer : public CBaseMenuPlayer

{

public:

	void Radio_Init(int keys, const char *title, const char *buffer);

	bool Radio_NeedsRefresh();

	void Radio_Refresh();

	void Radio_SetIndex(unsigned int index);

private:

	unsigned int m_index;

	size_t display_len;

	char display_pkt[512];

	int display_keys;

	float display_last_refresh;

};

class CRadioStyle : 

	public BaseMenuStyle,

	public SMGlobalClass,

	public IUserMessageListener

{

public:

	CRadioStyle();

public: //SMGlobalClass

	void OnSourceModAllInitialized();

	void OnSourceModLevelChange(const char *mapName);

	void OnSourceModShutdown();

public: //BaseMenuStyle

	CBaseMenuPlayer *GetMenuPlayer(int client);

	void SendDisplay(int client, IMenuPanel *display);

	void ProcessWatchList();

public: //IMenuStyle

	const char *GetStyleName();

	IMenuPanel *CreatePanel();

	IBaseMenu *CreateMenu(IMenuHandler *pHandler, IdentityToken_t *pOwner);

	unsigned int GetMaxPageItems();

	unsigned int GetApproxMemUsage();

public: //IUserMessageListener

	void OnUserMessage(int msg_id, bf_write *bf, IRecipientFilter *pFilter);

	void OnUserMessageSent(int msg_id);

public:

	bool IsSupported();

	bool OnClientCommand(int client, const char *cmdname, const CCommand &cmd);

public:

	CRadioDisplay *MakeRadioDisplay(CRadioMenu *menu=NULL);

	void FreeRadioDisplay(CRadioDisplay *display);

	CRadioMenuPlayer *GetRadioMenuPlayer(int client);

	IMenuPanel *MakeRadioDisplay(const char *str, int keys);

private:

	CRadioMenuPlayer *m_players;

	CStack<CRadioDisplay *> m_FreeDisplays;

};

class CRadioDisplay : public IMenuPanel

{

	friend class CRadioStyle;

public:

	CRadioDisplay();

	CRadioDisplay(CRadioMenu *menu);

public: //IMenuPanel

	IMenuStyle *GetParentStyle();

	void Reset();

	void DrawTitle(const char *text, bool onlyIfEmpty=false);

	unsigned int DrawItem(const ItemDrawInfo &item);

	bool DrawRawLine(const char *rawline);

	bool SetExtOption(MenuOption option, const void *valuePtr);

	bool CanDrawItem(unsigned int drawFlags);

	bool SendDisplay(int client, IMenuHandler *handler, unsigned int time);

	void DeleteThis();

	void SendRawDisplay(int client, unsigned int time);

	bool SetSelectableKeys(unsigned int keymap);

	unsigned int GetCurrentKey();

	bool SetCurrentKey(unsigned int key);

	int GetAmountRemaining();

	unsigned int GetApproxMemUsage();

public:

	void DirectSet(const char *str, int keymap);

private:

	String m_BufferText;

	String m_Title;

	unsigned int m_NextPos;

	int keys;

};

class CRadioMenu : public CBaseMenu

{

public:

	CRadioMenu(IMenuHandler *pHandler, IdentityToken_t *pOwner);

public:

	bool SetExtOption(MenuOption option, const void *valuePtr);

	IMenuPanel *CreatePanel();

	bool Display(int client, unsigned int time, IMenuHandler *alt_handler=NULL);

	bool DisplayAtItem(int client,

		unsigned int time,

		unsigned int start_item,

		IMenuHandler *alt_handler/* =NULL */);

	void Cancel_Finally();

	unsigned int GetApproxMemUsage();

};

extern CRadioStyle g_RadioMenuStyle;

#endif //_INCLUDE_MENUSTYLE_RADIO_H