clglobal.c

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/****************************** Module Header ******************************\
* Module Name: clglobal.c
*
* Copyright (c) 1985 - 1999, Microsoft Corporation
*
* This module contains all of USER.DLL's global variables. These are all
* instance-specific, i.e. each client has his own copy of these. In general,
* there shouldn't be much reason to create instance globals.
*
* NOTE: In this case what we mean by global is that this data is shared by
* all threads of a given process, but not shared between processes
* or between the client and the server. None of this data is useful
* (or even accessable) to the server.
*
* History:
* 10-18-90 DarrinM Created.
\***************************************************************************/

#include "precomp.h"
#pragma hdrstop


// Debug globals
#if DBG
INT gbCheckHandleLevel;
#endif

/*
 * We get this warning if we don't explicitly initalize gZero:
 *
 * C4132: 'gZero' : const object should be initialized
 *
 * But we can't explicitly initialize it since it is a union. So
 * we turn the warning off.
 */
#pragma warning(disable:4132)
CONST ALWAYSZERO gZero;
#pragma warning(default:4132)

/*
 * Amount wheel has been scrolled in a control less than WHEEL_DELTA. Each
 * control resets this variable to 0 in WM_KILLFOCUS, and verifies it is
 * 0 in WM_SETFOCUS.
 * CONSIDER: Should be per-queue rather than per client?
 */
int gcWheelDelta;

WCHAR awchSlashStar[] = L"\\*";
CHAR achSlashStar[] = "\\*";

PSERVERINFO gpsi;
SHAREDINFO gSharedInfo;
HMODULE hmodUser;               // USER.DLL's hmodule
ULONG_PTR gHighestUserAddress;

BOOL gfServerProcess;           // USER is linked on the CSR server side
BOOL gfSystemInitialized;       // System has been initialized

ACCESS_MASK gamWinSta;          // ACCESS_MASK for the current WindowStation

PVOID pUserHeap;

WCHAR szUSER32[] = TEXT("USER32");
CONST WCHAR szNull[2] = { TEXT('\0'), TEXT('\015') };
CONST WCHAR szOneChar[] = TEXT("0");
WCHAR szSLASHSTARDOTSTAR[] = TEXT("\\*");  /* This is a single "\"  */

LPWSTR pwcHighContrastScheme;
LPSTR  pcHighContrastScheme;

/* Maps MessageBox type to number of buttons in the MessageBox */
CONST BYTE mpTypeCcmd[] = { 1, 2, 3, 3, 2, 2, 3 };

/* Maps MessageBox type to index into SEBbuttons array */
CONST BYTE mpTypeIich[] = { 0, 2, 5, 12, 9, 16, 19 };

CONST UINT SEBbuttons[] = {
    SEB_OK, SEB_HELP,
    SEB_OK, SEB_CANCEL, SEB_HELP,
    SEB_ABORT, SEB_RETRY, SEB_IGNORE, SEB_HELP,
    SEB_YES, SEB_NO, SEB_HELP,
    SEB_YES, SEB_NO, SEB_CANCEL, SEB_HELP,
    SEB_RETRY, SEB_CANCEL, SEB_HELP,
    SEB_CANCEL, SEB_TRYAGAIN, SEB_CONTINUE, SEB_HELP,
};

ATOM atomMDIActivateProp;

CRITICAL_SECTION gcsLookaside;
CRITICAL_SECTION gcsHdc;
CRITICAL_SECTION gcsClipboard;
CRITICAL_SECTION gcsAccelCache;

#ifdef _JANUS_
BOOL gfEMIEnable;
DWORD gdwEMIControl = 0;
BOOL gfDMREnable = FALSE;
HINSTANCE ghAdvApi;
#endif

HDC    ghdcBits2;
HDC    ghdcGray;
HFONT  ghFontSys;
HBRUSH ghbrWindowText;
int    gcxGray;
int    gcyGray;

FPLPKTABBEDTEXTOUT fpLpkTabbedTextOut = UserLpkTabbedTextOut;
FPLPKPSMTEXTOUT fpLpkPSMTextOut       = UserLpkPSMTextOut;
FPLPKDRAWTEXTEX fpLpkDrawTextEx       = (FPLPKDRAWTEXTEX)NULL;
PLPKEDITCALLOUT fpLpkEditControl      = (PLPKEDITCALLOUT)NULL;

/*
 * These are the resource call procedure addresses. If WOW is running,
 * it makes a call to set all these up to point to it. If it isn't
 * running, it defaults to the values you see below.
 */
PFNFINDA pfnFindResourceExA; // Assigned dynamically - _declspec (PFNFINDA)FindResourceExA,
PFNFINDW pfnFindResourceExW; // Assigned dynamically - _declspec (PFNFINDW)FindResourceExW,
PFNLOAD pfnLoadResource; // Assigned dynamically - _declspec (PFNLOAD)LoadResource,
PFNLOCK pfnLockResource             = (PFNLOCK)_LockResource;
PFNUNLOCK pfnUnlockResource         = (PFNUNLOCK)_UnlockResource;
PFNFREE pfnFreeResource             = (PFNFREE)_FreeResource;
PFNSIZEOF pfnSizeofResource; // Assigned dynamically - _declspec (PFNSIZEOF)SizeofResource
PFNLALLOC pfnLocalAlloc             = (PFNLALLOC)DispatchLocalAlloc;
PFNLREALLOC pfnLocalReAlloc         = (PFNLREALLOC)DispatchLocalReAlloc;
PFNLLOCK pfnLocalLock               = (PFNLLOCK)DispatchLocalLock;
PFNLUNLOCK pfnLocalUnlock           = (PFNUNLOCK)DispatchLocalUnlock;
PFNLSIZE pfnLocalSize               = (PFNLSIZE)DispatchLocalSize;
PFNLFREE pfnLocalFree               = (PFNLFREE)DispatchLocalFree;
PFNGETEXPWINVER pfnGetExpWinVer     = RtlGetExpWinVer;
PFN16GALLOC pfn16GlobalAlloc;
PFN16GFREE pfn16GlobalFree;
PFNEMPTYCB pfnWowEmptyClipBoard;
PFNWOWWNDPROCEX  pfnWowWndProcEx;
PFNWOWDLGPROCEX  pfnWowDlgProcEx;
PFNWOWEDITNEXTWORD   pfnWowEditNextWord;
PFNWOWCBSTOREHANDLE pfnWowCBStoreHandle;
PFNGETPROCMODULE16  pfnWowGetProcModule;
PFNWOWTELLWOWTHEHDLG pfnWOWTellWOWThehDlg;
PFNWOWMSGBOXINDIRECTCALLBACK pfnWowMsgBoxIndirectCallback;
PFNWOWILSTRCMP  pfnWowIlstrcmp;

#ifdef WX86

/*
 *  Client Global variables for Wx86.
 *
 */
int Wx86LoadCount;
HMODULE hWx86Dll;
PFNWX86LOADX86DLL pfnWx86LoadX86Dll;
PFNWX86FREEX86DLL pfnWx86FreeX86Dll;
PFNWX86HOOKCALLBACK pfnWx86HookCallBack;
RTL_CRITICAL_SECTION gcsWx86Load;
#endif

/*
 * Menu Drag and Drop
 */
HINSTANCE ghinstOLE;
FARPROC gpfnOLEOleUninitialize;
FARPROC gpfnOLERegisterDD;
FARPROC gpfnOLERevokeDD;
FARPROC gpfnOLEDoDD;

/*
 * Accelerator table resources list.
 */
PACCELCACHE gpac;

/*
 * IME Window Handling.
 */
DWORD gfConIme = UNKNOWN_CONIME;

/*
 * Used for TS Services Message Box handling
 */
FARPROC     gfnWinStationSendMessageW;
HINSTANCE   ghinstWinStaDll;



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