// CInput.h - part if Multi-Language input class
//
// Copyright (C) 2000-2005, Kwon-il Lee
//
// Kwon-il Lee
// zupet@hitel.net


#if !defined(_C_INPUT_H_)
#define _C_INPUT_H_

#include <windows.h>
#include <imm.h>
#include <string>
#include <vector>

/*----------------------------------------------------------------------------*/ 
int GetCharsetFromLang(LANGID);
int	GetCodePageFromLang( LANGID langid );
int	ConvertString(UINT codePage, const wchar_t* wText, int wLen, char* text, int len);

/*----------------------------------------------------------------------------*/ 
class CInput
{
public:
	CInput();
	~CInput();

	void		InitInput();

	/* messages */ 
	void		OnInputLanguageChange(HWND hWnd, WPARAM wParam, LPARAM lParam);
	bool		OnComposition(HWND hWnd, WPARAM wParam, LPARAM lParam);
	bool		OnEndComposition(HWND hWnd, WPARAM wParam, LPARAM lParam);
	bool		OnNotify(HWND hWnd, WPARAM wParam, LPARAM lParam);
	bool		OnChar(HWND hWnd, WPARAM wParam, LPARAM lParam);
	void		OnKeyDown(WPARAM wParam);	/// 2012.02.16 - prodongi

	int			GetInput(char* text, int len);
	int			GetInput(wchar_t* text, int len);
	int			GetComp(char* text, int len);
	int			GetComp(wchar_t* text, int len);

	void		ClearInput()	{ m_input.clear();}
	void        ClearComp()     { m_comp.clear();}  
	
	int			GetReading(char* text, int len);
	int			GetReading(wchar_t* text, int len);

	int			GetCandidate(DWORD index, char* text, int len);
	int			GetCandidateCount();
	int			GetCandidateSelection();
	int			GetCandidatePageSize();
	int			GetCandidatePageStart();
	void		GetUnderLine(int* start, int* end);

	void		SetOnlyNum(bool bOn)	{	m_bOnlyNum = bOn;	};
	bool		IsOnlyNum()	{	return m_bOnlyNum;	};
	bool		IsCandidate()	{	return !m_candidate.empty() || !m_comp.empty();	}
	/// 2012.02.16 - prodongi
	bool		isEndComposing() const	{	return m_isEndComposing;	}

	void		SetCompositionWndPos( int nPosX, int nPosY )
	{
		m_nCompositionPosX = nPosX;
		m_nCompositionPosY = nPosY;
	}

	/* property */ 
	bool		IsVerticalReading(){ return m_bVerticalReading; }
	bool		IsVerticalCandidate(){ return m_bVerticalCandidate; }
	WORD		GetCodePage() { return m_codePage; }
	LANGID		GetLangId() { return m_langId; }
	int			GetCharSet() { return GetCharsetFromLang(m_langId); }
	wchar_t*	GetIndicator() { return m_wszCurrIndicator; }
	int			GetImeState() { return m_ImeState; }


protected:
	void		SetupImeApi(HWND hWnd);
	void		GetImeId();
	bool		GetReadingWindowOrientation();
	void		GetPrivateReadingString(HWND hWnd);
	void		CheckToggleState(HWND hWnd);

protected:
	std::wstring		m_input;
	std::wstring		m_comp;
	std::wstring		m_reading;
	std::vector<BYTE>	m_candidate;

	int					m_ulStart;
	int					m_ulEnd;

	int					m_nCompositionPosX;
	int					m_nCompositionPosY;
	RECT				m_rectIME;

	HKL					m_hkl;
	LANGID				m_langId;
	WORD				m_codePage;

	bool				m_bUnicodeIME;
	bool				m_bVerticalReading;
	bool				m_bVerticalCandidate;
	int					m_ImeState;
	wchar_t*			m_wszCurrIndicator;

	DWORD				m_dwId[2];

	HINSTANCE			m_hDllIme;

	UINT				(WINAPI * _GetReadingString)( HIMC, UINT, LPWSTR, PINT, BOOL*, PUINT );
	BOOL				(WINAPI * _ShowReadingWindow)( HIMC, BOOL );

	bool				m_bOnlyNum;
	bool				m_bSpaceLimit;	// 2011. 11. 1 - marine

	/// 2012.02.15 현재 조합이 끝났는지 아닌지, 일반 엔터와 조합이 시작될 때는 false로 설정된다. - prodongi
	bool				m_isEndComposing;

public:
	void		SetSpaceLimit(bool bFlag)	{ m_bSpaceLimit = bFlag; }
	bool		IsSpaceLimit()	{	return m_bSpaceLimit;	};
};

/*----------------------------------------------------------------------------*/ 


#endif //_C_INPUT_H_