/*
 * astyle --force-indent=tab=4 --brackets=linux --indent-switches
 *		  --pad=oper --one-line=keep-blocks  --unpad=paren
 *
 * Miranda IM: the free IM client for Microsoft* Windows*
 *
 * Copyright 2000-2009 Miranda ICQ/IM project,
 * all portions of this codebase are copyrighted to the people
 * listed in contributors.txt.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * part of tabSRMM messaging plugin for Miranda.
 *
 * (C) 2005-2010 by silvercircle _at_ gmail _dot_ com and contributors
 *
 * $Id: infopanel.h 12396 2010-08-22 17:17:05Z silvercircle $
 *
 * the info area for both im and chat sessions
 */

#ifndef __INFOPANEL_H
#define __INFOPANEL_H

/*
 * configuration data for the info panel (fonts, colors)
 * this is global for all panels
 */

#define IPFONTCOUNT 6						// # of fonts needed for the info panel

/*
 * command ids for the info panel contextual menus
 */

#define CMD_IP_USERDETAILS					20000
#define CMD_IP_USERPREFS					20001
#define CMD_IP_ROOMPREFS					20002
#define CMD_IP_HISTORY						20003
#define CMD_IP_COPY							21000

struct TInfoPanelConfig {
	HFONT       hFonts[IPFONTCOUNT];
	COLORREF    clrs[IPFONTCOUNT];
	UINT		height1, height2;
};

extern TCHAR *xStatusDescr[];

/**
 * a simple tooltip class using a richedit control to display its content. Allows
 * for formatted text and clickable hyperlinks
 *
 * Used by: Info panel to display status messages, topics etc.
 */
class CTip
{
public:
	enum {
		TOP_BORDER		= 25,
		LEFT_BORDER		= 2,
		RIGHT_BORDER	= 2,
		BOTTOM_BORDER	= 1,
		LEFT_BAR_WIDTH	= 20
	};

	CTip													(const HWND hwndParent, const HANDLE hContact, const TCHAR *pszText = 0, const CInfoPanel *panel = 0);
	~CTip()
	{
		if(m_pszText)
			mir_free(m_pszText);
	}
	void						show						(const RECT& rc, POINT& pt, const HICON hIcon = 0, const TCHAR *szTitle = 0);
	const HWND					getHwnd						() const { return(m_hwnd); }

	static void					registerClass				();
private:

	INT_PTR	CALLBACK			WndProc						(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
	static INT_PTR CALLBACK	 	WndProcStub					(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
	static INT_PTR CALLBACK 	RichEditProc				(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);

	HWND						m_hwnd;						// our window handle
	HWND						m_hRich;					// handle of the rich edit child
	HWND						m_hwndParent;				// parent window (used for position calculations and to send notifications)
	HANDLE						m_hContact;					// contact handle
	char*						m_pszText;					// the richedit text
	SIZE						m_szRich;					// size of the richedit control (height auto-calculated to make it fit the text)
	RECT						m_rcRich;					// adjusted rectangle for the richedit control (client coordinates)
	const CInfoPanel*			m_panel;					// the info panel parent (if any)
	HICON						m_hIcon;					// optional icon to show in the title line
	const TCHAR*				m_szTitle;					// optional text to show in the title
	int							m_leftWidth;

private:
	static	WNDPROC				m_OldMessageEditProc;		// stores original richedit wnd proc

};

/**
 * the info panel class definition. The panel itself is not a real window class - it
 * is implemented as a drawing canvas on the message window background.
 *
 * Each message session has its own info panel object
 */
class CInfoPanel
{
public:
	enum {
		DEGRADE_THRESHOLD = 37,					// defines the height at which the infopanel will do the transition from 1 to 2 lines
		LEFT_OFFSET_LOGO = 3
	};
	enum {
		HOVER_NICK 		= 1,
		HOVER_STATUS 	= 2,
		HOVER_UIN 		= 4
	};
	enum {
		HTNICK			= 1,
		HTUIN			= 2,
		HTSTATUS		= 3,
		HTNIRVANA		= 0
	};
	CInfoPanel(TWindowData *dat)
	{
		if(dat) {
			m_dat = dat;
			m_isChat = dat->bType == SESSIONTYPE_CHAT ? true : false;
		}
		m_defaultHeight = PluginConfig.m_panelHeight;
		m_defaultMUCHeight = PluginConfig.m_MUCpanelHeight;
		m_hwndConfig = 0;
		m_hoverFlags = 0;
		m_tip = 0;
	}

	~CInfoPanel()
	{
		if(m_hwndConfig)
			::DestroyWindow(m_hwndConfig);
		saveHeight(true);
	}

	const	LONG				getHeight					() const { return(m_height); }
	void						setHeight					(LONG newHeight, bool fBroadcast = false);
	bool						isActive					() const { return(m_active); }
	bool						isPrivateHeight				() const { return(m_fPrivateHeight); }
	DWORD						isHovered					() const { return(m_active ? m_hoverFlags : 0); }
	const TWindowData*	getDat						() const { return(m_dat); }
	void						setActive					(const int newActive);
	void						loadHeight					();
	void						saveHeight					(bool fFlush = false);

	void 						Configure					() const;
	void 						showHide					() const;
	bool 						getVisibility				();
	void 						renderBG					(const HDC hdc, RECT& rc, CSkinItem *item, bool fAero, bool fAutoCalc = true) const;
	void 						renderContent				(const HDC hdcMem);
	void 						Invalidate					(BOOL fErase = FALSE) const;
	void 						trackMouse					(POINT& pt);
	int							hitTest						(POINT  pt);
	void						handleClick					(const POINT& pt);
	void						showTip						(UINT ctrlId, const LPARAM lParam);
	void						hideTip						(const HWND hWndNew);
	int							invokeConfigDialog			(const POINT& pt);
	void						dismissConfig				(bool fForced = false);

public:
	static						TInfoPanelConfig			m_ipConfig;
	static int	 				setPanelHandler				(TWindowData *dat, WPARAM wParam, LPARAM lParam);
	static INT_PTR CALLBACK		avatarParentSubclass		(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);

private:
	void						mapRealRect					(const RECT& rcSrc, RECT& rcDest, const SIZE& sz);
	HFONT						setUnderlinedFont			(const HDC hdc, HFONT hFontOrig);
	void						RenderIPNickname			(const HDC hdc, RECT& rc);
	void 						RenderIPUIN					(const HDC hdc, RECT& rcItem);
	void 						RenderIPStatus				(const HDC hdc, RECT& rcItem);
	void 						Chat_RenderIPNickname		(const HDC hdc, RECT& rcItem);
	void 						Chat_RenderIPSecondLine		(const HDC hdc, RECT& rcItem);
	LRESULT						cmdHandler					(UINT cmd);
	HMENU						constructContextualMenu		() const;
	INT_PTR	CALLBACK			ConfigDlgProc				(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
	static INT_PTR CALLBACK	 	ConfigDlgProcStub			(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);

private:
	bool				m_isChat;											// is MUC session
	bool				m_active;											// panel active and visible
	bool				m_fPrivateHeight;
	bool				m_fDialogCreated;
	TWindowData*	m_dat;												// this one OWNS us...
	LONG				m_height;											// height (determined by position of IDC_PANELSPLITTER)
	LONG				m_defaultHeight, m_defaultMUCHeight;				// global values for the info bar height
	HWND				m_hwndConfig;										// window handle of the config dialog window
	HFONT				m_configDlgFont, m_configDlgBoldFont;
	SIZE				m_szNick;											// rectangle where the nick has been rendered,
	/*
	 * these are used to store rectangles important to mouse tracking.
	 */
	RECT				m_rcNick;
	RECT				m_rcUIN;
	RECT				m_rcStatus;
	DWORD				m_hoverFlags;
	CTip*				m_tip;
};

#endif /* __INFOPANEL_H */