afximpl.000

讲mfc的书

// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992-1997 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.

#undef AFX_DATA
#define AFX_DATA AFX_CORE_DATA

/////////////////////////////////////////////////////////////////////////////
// Auxiliary System/Screen metrics

struct AUX_DATA
{
	// system metrics
	int cxVScroll, cyHScroll;
	int cxIcon, cyIcon;

	int cxBorder2, cyBorder2;

	// device metrics for screen
	int cxPixelsPerInch, cyPixelsPerInch;

	// convenient system color
	HBRUSH hbrWindowFrame;
	HBRUSH hbrBtnFace;
#ifdef _MAC
	HBRUSH hbr3DLight;
#endif

	// color values of system colors used for CToolBar
	COLORREF clrBtnFace, clrBtnShadow, clrBtnHilite;
	COLORREF clrBtnText, clrWindowFrame;
#ifdef _MAC
	COLORREF clr3DLight;
#endif

	// standard cursors
	HCURSOR hcurWait;
	HCURSOR hcurArrow;
	HCURSOR hcurHelp;       // cursor used in Shift+F1 help

	// special GDI objects allocated on demand
	HFONT   hStatusFont;
	HFONT   hToolTipsFont;
	HBITMAP hbmMenuDot;

	// other system information
	UINT    nWinVer;        // Major.Minor version numbers
	BOOL    bWin32s;        // TRUE if Win32s (or Windows 95)
	BOOL    bWin4;          // TRUE if Windows 4.0
	BOOL    bNotWin4;       // TRUE if not Windows 4.0
	BOOL    bSmCaption;     // TRUE if WS_EX_SMCAPTION is supported
	BOOL    bMarked4;       // TRUE if marked as 4.0

#ifdef _MAC
	BOOL    bOleIgnoreSuspend;
#endif

// Implementation
	AUX_DATA();
	~AUX_DATA();
	void UpdateSysColors();
	void UpdateSysMetrics();
};

extern AFX_DATA AUX_DATA afxData;

/////////////////////////////////////////////////////////////////////////////
// _AFX_CTL3D_STATE

#undef AFX_DATA
#define AFX_DATA

class _AFX_CTL3D_STATE : public CNoTrackObject
{
public:
	virtual ~_AFX_CTL3D_STATE();

	// setup during initialization
	BOOL m_bCtl3dInited;
	HINSTANCE m_hCtl3dLib;

	// CTL3D32 entry points
	BOOL (WINAPI* m_pfnRegister)(HINSTANCE);
	BOOL (WINAPI* m_pfnUnregister)(HINSTANCE);
	BOOL (WINAPI* m_pfnAutoSubclass)(HINSTANCE);
	BOOL (WINAPI* m_pfnUnAutoSubclass)();
	BOOL (WINAPI* m_pfnColorChange)();
	BOOL (WINAPI* m_pfnSubclassDlgEx)(HWND, DWORD);
	void (WINAPI* m_pfnWinIniChange)();
	BOOL (WINAPI* m_pfnSubclassCtl)(HWND);
	BOOL (WINAPI* m_pfnSubclassCtlEx)(HWND, int);
};

EXTERN_PROCESS_LOCAL(_AFX_CTL3D_STATE, _afxCtl3dState)

class _AFX_CTL3D_THREAD : public CNoTrackObject
{
public:
	virtual ~_AFX_CTL3D_THREAD();
};

EXTERN_THREAD_LOCAL(_AFX_CTL3D_THREAD, _afxCtl3dThread)

/////////////////////////////////////////////////////////////////////////////
// _AFX_EDIT_STATE

class _AFX_EDIT_STATE : public CNoTrackObject
{
public:
	_AFX_EDIT_STATE();
	virtual ~_AFX_EDIT_STATE();

	CFindReplaceDialog* pFindReplaceDlg; // find or replace dialog
	BOOL bFindOnly; // Is pFindReplace the find or replace?
	CString strFind;    // last find string
	CString strReplace; // last replace string
	BOOL bCase; // TRUE==case sensitive, FALSE==not
	int bNext;  // TRUE==search down, FALSE== search up
	BOOL bWord; // TRUE==match whole word, FALSE==not
};

#undef AFX_DATA
#define AFX_DATA AFX_CORE_DATA

class _AFX_RICHEDIT_STATE : public _AFX_EDIT_STATE
{
public:
	HINSTANCE m_hInstRichEdit;      // handle to RICHED32.DLL
	virtual ~_AFX_RICHEDIT_STATE();
};

EXTERN_PROCESS_LOCAL(_AFX_RICHEDIT_STATE, _afxRichEditState)

_AFX_RICHEDIT_STATE* AFX_CDECL AfxGetRichEditState();

#undef AFX_DATA
#define AFX_DATA

_AFX_CTL3D_STATE* AFXAPI AfxGetCtl3dState();

////////////////////////////////////////////////////////////////////////////
// other global state

// Note: afxData.cxBorder and afxData.cyBorder aren't used anymore
#define CX_BORDER   1
#define CY_BORDER   1

// states for Shift+F1 hep mode
#define HELP_INACTIVE   0   // not in Shift+F1 help mode (must be 0)
#define HELP_ACTIVE     1   // in Shift+F1 help mode (non-zero)
#define HELP_ENTERING   2   // entering Shift+F1 help mode (non-zero)

/////////////////////////////////////////////////////////////////////////////
// Window class names and other window creation support

// from wincore.cpp
extern const TCHAR _afxWnd[];           // simple child windows/controls
extern const TCHAR _afxWndControlBar[]; // controls with grey backgrounds
extern const TCHAR _afxWndMDIFrame[];
extern const TCHAR _afxWndFrameOrView[];
extern const TCHAR _afxWndOleControl[];

#define AFX_WND_REG             (0x0001)
#define AFX_WNDCONTROLBAR_REG   (0x0002)
#define AFX_WNDMDIFRAME_REG     (0x0004)
#define AFX_WNDFRAMEORVIEW_REG  (0x0008)
#define AFX_WNDCOMMCTLS_REG     (0x0010)
#define AFX_WNDOLECONTROL_REG   (0x0020)

#define AfxDeferRegisterClass(fClass) \
	((afxRegisteredClasses & fClass) ? TRUE : AfxEndDeferRegisterClass(fClass))

extern BOOL AFXAPI AfxEndDeferRegisterClass(short fClass);

#ifndef _UNICODE
#define _UNICODE_SUFFIX
#else
#define _UNICODE_SUFFIX _T("u")
#endif

#ifndef _DEBUG
#define _DEBUG_SUFFIX
#else
#define _DEBUG_SUFFIX _T("d")
#endif

#ifdef _AFXDLL
#define _STATIC_SUFFIX
#else
#define _STATIC_SUFFIX _T("s")
#endif

#define AFX_WNDCLASS(s) \
	_T("Afx") _T(s) _T("42") _STATIC_SUFFIX _UNICODE_SUFFIX _DEBUG_SUFFIX

#define AFX_WND             AFX_WNDCLASS("Wnd")
#define AFX_WNDCONTROLBAR   AFX_WNDCLASS("ControlBar")
#define AFX_WNDMDIFRAME     AFX_WNDCLASS("MDIFrame")
#define AFX_WNDFRAMEORVIEW  AFX_WNDCLASS("FrameOrView")
#define AFX_WNDOLECONTROL   AFX_WNDCLASS("OleControl")

// dialog/commdlg hook procs
BOOL CALLBACK AfxDlgProc(HWND, UINT, WPARAM, LPARAM);
UINT CALLBACK _AfxCommDlgProc(HWND hWnd, UINT, WPARAM, LPARAM);

// support for standard dialogs
extern const UINT _afxNMsgSETRGB;
typedef UINT (CALLBACK* COMMDLGPROC)(HWND, UINT, UINT, LONG);

/////////////////////////////////////////////////////////////////////////////
// Extended dialog templates (new in Win95)

#pragma pack(push, 1)

typedef struct
{
	WORD dlgVer;
	WORD signature;
	DWORD helpID;
	DWORD exStyle;
	DWORD style;
	WORD cDlgItems;
	short x;
	short y;
	short cx;
	short cy;
} DLGTEMPLATEEX;

typedef struct
{
	DWORD helpID;
	DWORD exStyle;
	DWORD style;
	short x;
	short y;
	short cx;
	short cy;
	DWORD id;
} DLGITEMTEMPLATEEX;

#pragma pack(pop)

/////////////////////////////////////////////////////////////////////////////
// Special helpers

void AFXAPI AfxCancelModes(HWND hWndRcvr);
HWND AFXAPI AfxGetParentOwner(HWND hWnd);
BOOL AFXAPI AfxIsDescendant(HWND hWndParent, HWND hWndChild);
BOOL AFXAPI AfxHelpEnabled();  // determine if ID_HELP handler exists
void AFXAPI AfxDeleteObject(HGDIOBJ* pObject);
BOOL AFXAPI AfxCustomLogFont(UINT nIDS, LOGFONT* pLogFont);
#if !defined(_MAC) || defined(MACOCX)
BOOL AFXAPI AfxGetPropSheetFont(CString& strFace, WORD& wSize, BOOL bWizard);
#endif

BOOL AFXAPI _AfxIsComboBoxControl(HWND hWnd, UINT nStyle);
BOOL AFXAPI _AfxCheckCenterDialog(LPCTSTR lpszResource);
BOOL AFXAPI _AfxCompareClassName(HWND hWnd, LPCTSTR lpszClassName);
HWND AFXAPI _AfxChildWindowFromPoint(HWND, POINT);

#ifdef _MAC
BOOL AFXAPI _AfxIdenticalRect(LPCRECT lpRectOne, LPCRECT lpRectTwo);
#else
#define _AfxIdenticalRect EqualRect
#endif

// UNICODE/MBCS abstractions
#ifdef _MBCS
	extern AFX_DATA const BOOL _afxDBCS;
#else
	#define _afxDBCS FALSE
#endif

// determine number of elements in an array (not bytes)
#define _countof(array) (sizeof(array)/sizeof(array[0]))

#ifndef _AFX_PORTABLE
int AFX_CDECL AfxCriticalNewHandler(size_t nSize);
#endif

void AFXAPI AfxGlobalFree(HGLOBAL hGlobal);

/////////////////////////////////////////////////////////////////////////////
// static exceptions

extern CNotSupportedException _simpleNotSupportedException;
extern CMemoryException _simpleMemoryException;
extern CUserException _simpleUserException;
extern CResourceException _simpleResourceException;

/////////////////////////////////////////////////////////////////////////////
// useful message ranges

#define WM_SYSKEYFIRST  WM_SYSKEYDOWN
#define WM_SYSKEYLAST   WM_SYSDEADCHAR

#define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
#define WM_NCMOUSELAST  WM_NCMBUTTONDBLCLK