wndclass.h

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	BOOL SetEditSel(int nStart, int nEnd)	{ return (BOOL)::SendMessage(m_hWnd, CB_SETEDITSEL, 0, MAKELONG(nStart, nEnd)); }
	DWORD GetItemData(int n)				{ return ::SendMessage(m_hWnd, CB_GETITEMDATA, n, 0); }
	int SetItemData(int n, DWORD dw)		{ return (int)::SendMessage(m_hWnd, CB_SETITEMDATA, n, (LPARAM)dw); }
	void *GetItemDataPtr(int n)				{ return (LPVOID)GetItemData(n); }
	int SetItemDataPtr(int n, void *pData)	{ return SetItemData(n, (DWORD)(LPVOID)pData); }
	int GetLBText(int n, LPTSTR psz)		{ return (int)::SendMessage(m_hWnd, CB_GETLBTEXT, n, (LPARAM)psz); }
	int GetLBTextLen(int n)					{ return (int)::SendMessage(m_hWnd, CB_GETLBTEXTLEN, n, 0); }
	int AddString(LPCTSTR psz)				{ return (int)::SendMessage(m_hWnd, CB_ADDSTRING, 0, (LPARAM)psz); }
	int DeleteString(UINT n)				{ return (int)::SendMessage(m_hWnd, CB_DELETESTRING, n, 0);}
	int InsertString(int n, LPCTSTR psz)	{ return (int)::SendMessage(m_hWnd, CB_INSERTSTRING, n, (LPARAM)psz); }
	void ResetContent()						{ ::SendMessage(m_hWnd, CB_RESETCONTENT, 0, 0); }
	int FindString(int n, LPCTSTR psz)		{ return (int)::SendMessage(m_hWnd, CB_FINDSTRING, n, (LPARAM)psz); }
	int SelectString(int n, LPCTSTR psz)	{ return (int)::SendMessage(m_hWnd, CB_SELECTSTRING, n, (LPARAM)psz); }
};

class CListBox : public CWnd
{
	CListBox(HWND hWndParent, int nComboID)
	{
		m_hWnd = ::GetDlgItem(hWndParent, nComboID);
		ASSERT(::IsWindow(m_hWnd));
	}

	int GetCount() const					{ return (int)::SendMessage(m_hWnd, LB_GETCOUNT, 0, 0); }
	int GetCurSel() const					{ return (int)::SendMessage(m_hWnd, LB_GETCURSEL, 0, 0); }
	int SetCurSel(int n)					{ return (int)::SendMessage(m_hWnd, LB_SETCURSEL, n, 0); }
	int GetHorizontalExtent() const			{ return (int)::SendMessage(m_hWnd, LB_GETHORIZONTALEXTENT, 0, 0); }
	void SetHorizontalExtent(int n)			{ ::SendMessage(m_hWnd, LB_SETHORIZONTALEXTENT, n, 0); }
	int GetSelCount() const					{ return (int)::SendMessage(m_hWnd, LB_GETSELCOUNT, 0, 0); }
	int GetSelItems(int n, LPINT rg) const	{ return (int)::SendMessage(m_hWnd, LB_GETSELITEMS, n, (LPARAM)rg); }
	int GetTopIndex() const					{ return (int)::SendMessage(m_hWnd, LB_GETTOPINDEX, 0, 0); }
	int SetTopIndex(int n)					{ return (int)::SendMessage(m_hWnd, LB_SETTOPINDEX, n, 0);}
	DWORD GetItemData(int n) const			{ return ::SendMessage(m_hWnd, LB_GETITEMDATA, n, 0); }
	int SetItemData(int n, DWORD dw)		{ return (int)::SendMessage(m_hWnd, LB_SETITEMDATA, n, (LPARAM)dw); }
	void* GetItemDataPtr(int n) const		{ return (LPVOID)::SendMessage(m_hWnd, LB_GETITEMDATA, n, 0); }
	int SetItemDataPtr(int n, void *pData)	{ return SetItemData(n, (DWORD)(LPVOID)pData); }
	int GetItemRect(int n, LPRECT p) const	{ return (int)::SendMessage(m_hWnd, LB_GETITEMRECT, n, (LPARAM)p); }
	int GetSel(int n) const					{ return (int)::SendMessage(m_hWnd, LB_GETSEL, n, 0); }
	int SetSel(int n, BOOL b)				{ return (int)::SendMessage(m_hWnd, LB_SETSEL, b, n); }
	int GetText(int n, LPTSTR psz) const	{ return (int)::SendMessage(m_hWnd, LB_GETTEXT, n, (LPARAM)psz); }
	int GetTextLen(int n) const				{ return (int)::SendMessage(m_hWnd, LB_GETTEXTLEN, n, 0); }
	void SetColumnWidth(int n)				{ ::SendMessage(m_hWnd, LB_SETCOLUMNWIDTH, n, 0); }
	BOOL SetTabStops(int n, LPINT rg)		{ return (BOOL)::SendMessage(m_hWnd, LB_SETTABSTOPS, n, (LPARAM)rg); }
	void SetTabStops()						{ ::SendMessage(m_hWnd, LB_SETTABSTOPS, 0, 0); }
	BOOL SetTabStops(const int& cx)			{ return (BOOL)::SendMessage(m_hWnd, LB_SETTABSTOPS, 1, (LPARAM)(LPINT)&cx); }
	int SetItemHeight(int n, UINT cy)		{ return (int)::SendMessage(m_hWnd, LB_SETITEMHEIGHT, n, MAKELONG(cy, 0)); }
	int GetItemHeight(int n) const			{ return (int)::SendMessage(m_hWnd, LB_GETITEMHEIGHT, n, 0L); }
	int FindStringExact(int n, LPCTSTR psz) const	{ return (int)::SendMessage(m_hWnd, LB_FINDSTRINGEXACT, n, (LPARAM)psz); }
	int GetCaretIndex() const				{ return (int)::SendMessage(m_hWnd, LB_GETCARETINDEX, 0, 0L); }
	int SetCaretIndex(int n, BOOL bScroll)	{ return (int)::SendMessage(m_hWnd, LB_SETCARETINDEX, n, MAKELONG(bScroll, 0)); }
	int AddString(LPCTSTR lpszItem)			{ return (int)::SendMessage(m_hWnd, LB_ADDSTRING, 0, (LPARAM)lpszItem); }
	int DeleteString(UINT n)				{ return (int)::SendMessage(m_hWnd, LB_DELETESTRING, n, 0); }
	int InsertString(int n, LPCTSTR psz)	{ return (int)::SendMessage(m_hWnd, LB_INSERTSTRING, n, (LPARAM)psz); }
	void ResetContent()						{ ::SendMessage(m_hWnd, LB_RESETCONTENT, 0, 0); }
	int Dir(UINT attr, LPCTSTR psz)			{ return (int)::SendMessage(m_hWnd, LB_DIR, attr, (LPARAM)psz); }
	int FindString(int n, LPCTSTR psz) const{ return (int)::SendMessage(m_hWnd, LB_FINDSTRING, n, (LPARAM)psz); }
	int SelectString(int n, LPCTSTR psz)	{ return (int)::SendMessage(m_hWnd, LB_SELECTSTRING, n, (LPARAM)psz); }
	int SelItemRange(BOOL b, int f, int l)	{ return b ? (int)::SendMessage(m_hWnd, LB_SELITEMRANGEEX, f, l) : (int)::SendMessage(m_hWnd, LB_SELITEMRANGEEX, l, f); }
	void SetAnchorIndex(int n)				{ ::SendMessage(m_hWnd, LB_SETANCHORINDEX, n, 0); }
	int GetAnchorIndex() const				{ return (int)::SendMessage(m_hWnd, LB_GETANCHORINDEX, 0, 0); }
	LCID GetLocale() const					{ return (LCID)::SendMessage(m_hWnd, LB_GETLOCALE, 0, 0); }
	LCID SetLocale(LCID n)					{ return (LCID)::SendMessage(m_hWnd, LB_SETLOCALE, (WPARAM)n, 0); }
};


// Device context and drawing classes
class CDC
{
public:
	HDC m_hDC;
	HWND m_hWnd;

public:
	CDC(HDC hDC=NULL, HWND hWnd=NULL)				{ m_hDC = hDC; m_hWnd = hWnd; }
	operator HDC()									{ return m_hDC; }
	bool operator==(HDC hDC)						{ return hDC == m_hDC; }
	bool operator!=(HDC hDC)						{ return hDC != m_hDC; }
	void operator=(HDC hDC)							{ m_hDC = hDC; }

	COLORREF SetBkColor(COLORREF c)					{ return ::SetBkColor(m_hDC, c); }
	int SetBkMode(int nMode)						{ return ::SetBkMode(m_hDC, nMode); }
	COLORREF SetTextColor(COLORREF c)				{ return ::SetTextColor(m_hDC, c); }
	BOOL TextOut(int x, int y, const char *psz)		{ return ::TextOut(m_hDC, x, y, psz, strlen(psz)); }
	HGDIOBJ SelectObject(HGDIOBJ hGDI)				{ return ::SelectObject(m_hDC, hGDI); }
	BOOL BitBlt(HDC hDC, int x, int y, int w, int h, int xSrc=0, int ySrc=0, DWORD dwROP=SRCCOPY)
	{
		return ::BitBlt(hDC, x, y, w, h, m_hDC, xSrc, ySrc, dwROP);
	}
	BOOL CenteredTextOut(const char *psz)
	{
		CRect rect;
		SIZE size;
		int nLength = strlen(psz);
		::GetClientRect(m_hWnd, &rect);
		::GetTextExtentPoint32(m_hDC, psz, nLength, &size);
		return ::TextOut(m_hDC, (rect.Width()-size.cx)/2, (rect.Height()-size.cy)/2, psz, nLength);
	}
};

class CClientDC : public CDC
{
public:
	CClientDC(HWND hWnd=NULL)	{ if(hWnd) Init(hWnd); }
	void Init(HWND hWnd)		{ m_hWnd = hWnd; m_hDC = ::GetDC(m_hWnd); }
	void Release()				{ if(m_hDC) { ::ReleaseDC(m_hWnd, m_hDC); m_hDC = NULL; } }
	~CClientDC()				{ Release(); }
};

class CWindowDC : public CDC
{
public:
	CWindowDC(HWND hWnd=NULL)	{ if(hWnd) Init(hWnd); }
	void Init(HWND hWnd)		{ m_hWnd = hWnd; m_hDC = ::GetWindowDC(m_hWnd); }
	void Release()				{ if(m_hDC) { ::ReleaseDC(m_hWnd, m_hDC); m_hDC = NULL; } }
	~CWindowDC()				{ Release(); }
};

class CPaintDC : public CDC
{
public:
	PAINTSTRUCT m_ps;

public:
	CPaintDC(HWND hWnd)			{ m_hWnd = hWnd; ::BeginPaint(m_hWnd, &m_ps); m_hDC = m_ps.hdc; }
	~CPaintDC()					{ ::EndPaint(m_hWnd, &m_ps); }
};

class CCompatibleDC : public CDC
{
public:
	CCompatibleDC(HDC hDC=NULL)	{ m_hDC = ::CreateCompatibleDC(hDC); }
	~CCompatibleDC()			{ if(m_hDC) ::DeleteDC(m_hDC); }
};

class CWinApp : public CWnd
{
// Attributes
protected:
	HINSTANCE m_hInstance;
	HINSTANCE m_hPrevInstance;
	const char *m_pszCmdLine;
	int m_nShowCmd;
	char m_szAppName[_MAX_PATH];
	char m_szAppPath[_MAX_PATH];
	char m_szStartupPath[_MAX_PATH];
	char m_szRegistryKey[_MAX_PATH];

public:
	static CWinApp *m_pMainApp;

// Operations
protected:

public:	
	CWinApp(HINSTANCE hInstance, HINSTANCE hPrevInstance=NULL, char *pszCmdLine="", int nShowCmd=SW_SHOWNORMAL)
	{
		m_pMainApp = this;
		m_hInstance = hInstance;
		m_hPrevInstance = hPrevInstance;
		m_pszCmdLine = pszCmdLine;
		m_nShowCmd = nShowCmd;
		LoadString(IDS_APPLICATION, m_szAppName);
		::GetModuleFileName(NULL, m_szAppPath, _MAX_PATH);
		::GetCurrentDirectory(_MAX_PATH, m_szStartupPath);
		sprintf(m_szRegistryKey, "Software\\%s", m_szAppName);
	}
	~CWinApp()
	{
		m_pMainApp = NULL;
	}

	virtual bool InitInstance()					{ return false; }
	virtual int ExitInstance()					{ return 0; }
	virtual bool OnIdle()						{ return false; }
	virtual bool PreTranslateMessage(MSG *pMsg)	{ return false; }
	virtual int Run()
	{
		MSG msg;
		msg.message = 0;
		while(msg.message != WM_QUIT)
		{
			OnIdle();
			while(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
			{
				if(msg.message == WM_QUIT)
					break;
				if(!PreTranslateMessage(&msg))
				{
					TranslateMessage(&msg);
					DispatchMessage(&msg);
				}
			}
		}
		return 0;
	}

	HINSTANCE GetInstanceHandle()				{ return m_hInstance; }
	const char *GetAppName()					{ return m_szAppName; }
	const char *GetAppPath()					{ return m_szAppPath; }
	const char *GetStartupPath()				{ return m_szStartupPath; }
	const char *GetRegistryKey()				{ return m_szRegistryKey; }
	void SetAppName(const char *psz)			{ strcpy(m_szAppName, psz); }
	void SetAppPath(const char *psz)			{ strcpy(m_szAppPath, psz); }
	void SetStartupPath(const char *psz)		{ strcpy(m_szStartupPath, psz); }
	void SetRegistryKey(const char *psz)		{ strcpy(m_szRegistryKey, psz); }

	int MessageBox(const char *psz, UINT uType=MB_OK)		{ return ::MessageBox(NULL, psz, m_szAppName, uType); }
	int LoadString(int nID, char *psz, int nMax=_MAX_PATH)	{ return ::LoadString(m_hInstance, nID, psz, nMax); }
	int GetProfileInt(const char *pszSection, const char *pszEntry, int nDefault=0)
	{
		HKEY hKey;
		DWORD dw, dwType, dwValue;
		char szBuffer[_MAX_PATH];
		sprintf(szBuffer, "%s\\%s", m_szRegistryKey, pszSection);
		if(RegCreateKeyEx(HKEY_CURRENT_USER, szBuffer, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey, &dw) == ERROR_SUCCESS)
		{
			dw = sizeof(DWORD);
			if(RegQueryValueEx(hKey, pszEntry, NULL, &dwType, (unsigned char *)&dwValue, &dw) == ERROR_SUCCESS && dwType == REG_DWORD)
				nDefault = dwValue;
			RegCloseKey(hKey);
		}
		return nDefault;
	}
	bool WriteProfileInt(const char *pszSection, const char *pszEntry, int nValue)
	{
		HKEY hKey;
		DWORD dw;
		char szBuffer[_MAX_PATH];
		sprintf(szBuffer, "%s\\%s", m_szRegistryKey, pszSection);
		bool bSuccess = false;
		if(RegCreateKeyEx(HKEY_CURRENT_USER, szBuffer, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey, &dw) == ERROR_SUCCESS)
		{
			bSuccess = (RegSetValueEx(hKey, pszEntry, 0, REG_DWORD, (unsigned char *)&nValue, sizeof(DWORD)) == ERROR_SUCCESS);
			RegCloseKey(hKey);
		}
		return bSuccess;
	}
	const char *GetProfileString(const char *pszSection, const char *pszEntry, const char *pszDefault="")
	{
		HKEY hKey;
		DWORD dw, dwType;
		static char szBuffer[_MAX_PATH];
		sprintf(szBuffer, "%s\\%s", m_szRegistryKey, pszSection);
		if(RegCreateKeyEx(HKEY_CURRENT_USER, szBuffer, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey, &dw) == ERROR_SUCCESS)
		{
			dw = _MAX_PATH;
			if(RegQueryValueEx(hKey, pszEntry, NULL, &dwType, (unsigned char *)szBuffer, &dw) == ERROR_SUCCESS && dwType == REG_SZ)
				pszDefault = szBuffer;
			RegCloseKey(hKey);
		}
		return pszDefault;
	}
	bool WriteProfileString(const char *pszSection, const char *pszEntry, const char *pszValue)
	{
		HKEY hKey;
		DWORD dw;
		char szBuffer[_MAX_PATH];
		sprintf(szBuffer, "%s\\%s", m_szRegistryKey, pszSection);
		bool bSuccess = false;
		if(RegCreateKeyEx(HKEY_CURRENT_USER, szBuffer, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey, &dw) == ERROR_SUCCESS)
		{
			bSuccess = pszValue ? (RegSetValueEx(hKey, pszEntry, 0, REG_SZ, (unsigned char *)pszValue, strlen(pszValue)+1) == ERROR_SUCCESS) :
								  (RegDeleteValue(hKey, pszEntry) == ERROR_SUCCESS);
			RegCloseKey(hKey);
		}
		return bSuccess;
	}
};

inline CWinApp *GetApp()		{ return CWinApp::m_pMainApp; }

#endif // __WndClass_h__