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/*++ BUILD Version: 0001
* * WOW v1.0 * * Copyright (c) 1991, Microsoft Corporation * * WALIAS.H * WOW32 16-bit handle alias support * * History: * Created 27-Jan-1991 by Jeff Parsons (jeffpar) * Modified 12-May-1992 by Mike Tricker (miketri) to add MultiMedia support--*/
typedef HANDLE HAND32;
#define _WALIAS_
#include "wspool.h"
#include "wowuserp.h"
//
//
// The WC structure is present in every CLS structure in the system,
// although USER32 defines it as an array of 2 DWORDs. FindPWC(hwnd)
// returns a read-only pointer to the WC structure for a given window's
// class. Note that only classes registered by Win16 applications will
// have meaningful values in the structure. To change elements of the
// structure, use SETWC (== SetClassLong) with the appropriate GCL_WOW*
// offset defined below.
//
#define SETWC(hwnd, nIndex, l) SetClassLong(hwnd, nIndex, l)
#define SETWL(hwnd, nIndex, l) SetWindowLong(hwnd, nIndex, l)
typedef struct _HDW { struct _HDW *Next; // pointer to next hDDE alias
HANDLE hdwp32; // handle of WOW allocated 32 bit object
} HDW, *PHDW;
/* Handle mapping macros
*/
//
// The 32-bit hInstance for a 16-bit task will be hMod / hInst.
// The hModule/hInstnace for a 32-bit entity will be xxxx / 0000.
//
// FritzS 8/13/92
//
#define HINSTRES32(h16) ((h16)?HMODINST32(h16):(HANDLE)NULL)
//
// The THREADID32 and HTASK32 macros are nearly equivalent, but the
// WOWHandle mapping uses the one which will detect aliases (see WOLE2.C).
// Most other functions don't need alias detection and it is too late
// to test with the more general.
//
#ifdef DEBUG
//
// Check for task aliases that will cause us to fault if we dereference the NULL
// pointer returned by SEGPTR(htask16,0).
//
#define THREADID32(htask16) \
((htask16) \ ? (ISTASKALIAS(htask16) \ ? (WOW32ASSERTMSGF(FALSE, \ ("WOW32 ERROR %s line %d Task alias " \ "to THREADID32, use HTASK32 instead.\n", \ szModule, __LINE__)), 0) \ : ((PTDB)SEGPTR((htask16),0))->TDB_ThreadID) \ : 0)#else
#define THREADID32(htask16) ((htask16) \
? ((PTDB)SEGPTR((htask16),0))->TDB_ThreadID \ : 0)#endif
#define HTASK32(htask16) (Htask16toThreadID32(htask16))
#define GETHTASK16(htask32) (ThreadID32toHtask16((DWORD)htask32))
#define ISINST16(h32) (((INT)(h32) & 0x0000fffe) != 0)
#define HMODINST32(h16) ((HANDLE) MAKELONG(h16, GetExePtr16(h16)))
#define GETHINST16(h32) ((HAND16)(INT)(h32))
#define GETHMOD16(h32) ((HAND16)(INT)(HIWORD(h32)))
#define ISMEM16(h32) (((INT)(h32) & 0xFFFF0000) == 0)
#define HMEM32(h16) ((HANDLE)(INT)(h16))
#define GETHMEM16(h32) ((HMEM16)(INT)(h32))
#define ISRES16(h32) ((INT)(h32)&1)
#define HRES32(p) ((p)?(HANDLE)((INT)(p)|1):(HANDLE)NULL)
#define GETHRES16(h32) ((PRES)((INT)(h32)&~1))
#define USER32(h16) ((HAND32)(INT)(SHORT)(h16))
#define USER16(h32) ((HAND16)h32)
#define HWND32(h16) USER32(h16)
#define FULLHWND32(h16) (pfnOut.pfnGetFullUserHandle)(h16)
#define GETHWND16(h32) USER16(h32)
#define GETHWNDIA16(h32) GETHWND16(h32)
#define HWNDIA32(h16) HWND32(h16)
#define HMENU32(h16) USER32(h16)
#define GETHMENU16(h32) USER16(h32)
#define SERVERHANDLE(h) (HIWORD(h))
#define GDI32(h16) (HANDLE) hConvert16to32(h16)
#define GDI16(h32) ((HAND16) hConvert32to16((DWORD)h32))
#define HGDI16(hobj32) GDI16((HAND32)(hobj32))
#define HDC32(hdc16) GDI32((HAND16)(hdc16))
#define GETHDC16(hdc32) GDI16((HAND32)(hdc32))
#define HFONT32(hobj16) GDI32((HAND16)(hobj16))
#define GETHFONT16(hobj32) GDI16((HAND32)(hobj32))
#define HMETA32(hobj16) ((HANDLE)HMFFromWinMetaFile((HAND16)(hobj16),FALSE))
#define GETHMETA16(hobj32) ((HAND16)WinMetaFileFromHMF((HMETAFILE)(hobj32),FALSE))
#define HRGN32(hobj16) GDI32((HAND16)(hobj16))
#define GETHRGN16(hobj32) GDI16((HAND32)(hobj32))
#define HBITMAP32(hobj16) GDI32((HAND16)(hobj16))
#define GETHBITMAP16(hobj32) GDI16((HAND32)(hobj32))
#define HBRUSH32(hobj16) GDI32((HAND16)(hobj16))
#define GETHBRUSH16(hobj32) GDI16((HAND32)(hobj32))
#define HPALETTE32(hobj16) GDI32((HAND16)(hobj16))
#define GETHPALETTE16(hobj32) GDI16((HAND32)(hobj32))
#define HPEN32(hobj16) GDI32((HAND16)(hobj16))
#define GETHPEN16(hobj32) GDI16((HAND32)(hobj32))
#define HOBJ32(hobj16) GDI32((HAND16)(hobj16))
#define GETHOBJ16(hobj32) GDI16((HAND32)(hobj32))
#define HDROP32(hobj16) (HDROP)DropFilesHandler((HAND16)(hobj16), 0, HDROP_H16 | HDROP_ALLOCALIAS)
#define GETHDROP16(hobj32) (HAND16)DropFilesHandler(0, (HAND32)(hobj32), HDROP_H32 | HDROP_ALLOCALIAS)
#define FREEHDROP16(hobj16) (HDROP)DropFilesHandler((HAND16)(hobj16), 0, HDROP_H16 | HDROP_FREEALIAS)
#define HMODULE32(h16) ((HANDLE)(h16)) // bogus
#define GETHMODULE16(h32) ((HAND16)(h32)) // bogus
#define HLOCAL32(h16) ((HANDLE)(h16)) // bogus
#define GETHLOCAL16(h32) ((HAND16)(h32)) // bogus
#define HANDLE32(h16) ((HANDLE)(h16)) // bogus (used in wucomm.c)
#define GETHANDLE16(h32) ((HAND16)(h32)) // bogus (used in wucomm.c)
#define BOGUSHANDLE32(h16) ((DWORD)(h16)) // bogus
#define HDWP32(hdwp16) Prn32((HAND16)(hdwp16))
#define GETHDWP16(hdwp32) GetPrn16((HAND32)(hdwp32))
#define FREEHDWP16(h16) FreePrn((HAND16)(h16))
#define COLOR32(clr) (COLORREF)( ( ((DWORD)(clr) >= 0x03000000) && \
(HIWORD(clr) != 0x10ff) ) \ ? ((clr) & 0xffffff) : (clr) )
/*
* MultiMedia handle mappings - MikeTri 12-May-1992 * * change WOWCLASS_UNKNOWN to WOWCLASS_WIN16 MikeTri 210292 */
#define HDRVR32(hdrvr16) GetMMedia32((HAND16)(hdrvr16))
#define GETHDRVR16(hdrvr32) GetMMedia16((HAND32)(hdrvr32), WOWCLASS_WIN16)
#define FREEHDRVR16(hdrvr16) FreeMMedia16((HAND16)(hdrvr16))
#define HMMIO32(hmmio16) GetMMedia32((HAND16)(hmmio16))
#define GETHMMIO16(hmmio32) GetMMedia16((HAND32)(hmmio32), WOWCLASS_WIN16)
#define FREEHMMIO16(hmmio16) FreeMMedia16((HAND16)(hmmio16))
#define HMIDIIN32(hmidiin16) GetMMedia32((HAND16)(hmidiin16))
#define GETHMIDIIN16(hmidiin32) GetMMedia16((HAND32)(hmidiin32), WOWCLASS_WIN16)
#define FREEHMIDIIN16(hmidiin16) FreeMMedia16((HAND16)(hmidiin16))
#define HMIDIOUT32(hmidiout16) GetMMedia32((HAND16)(hmidiout16))
#define GETHMIDIOUT16(hmidiout32) GetMMedia16((HAND32)(hmidiout32), WOWCLASS_WIN16)
#define FREEHMIDIOUT16(hmidiout16) FreeMMedia16((HAND16)(hmidiout16))
#define HWAVEIN32(hwavein16) GetMMedia32((HAND16)(hwavein16))
#define GETHWAVEIN16(hwavein32) GetMMedia16((HAND32)(hwavein32), WOWCLASS_WIN16)
#define FREEHWAVEIN16(hwavein16) FreeMMedia16((HAND16)(hwavein16))
#define HWAVEOUT32(hwaveout16) GetMMedia32((HAND16)(hwaveout16))
#define GETHWAVEOUT16(hwaveout32) GetMMedia16((HAND32)(hwaveout32), WOWCLASS_WIN16)
#define FREEHWAVEOUT16(hwaveout16) FreeMMedia16((HAND16)(hwaveout16))
/* Function prototypes
*/
INT GetStdClassNumber(PSZ pszClass);WNDPROC GetStdClassWndProc(DWORD iClass);DWORD GetStdClassThunkProc(INT iClass);
PWC FindClass16 (LPCSTR pszClass, HINST16 hInst16);#define FindPWC(h32) (PWC) GetClassLong((h32), GCL_WOWWORDS)
#define FindPWW(h32) (PWW) GetWindowLong((h32), GWL_WOWWORDS)
HAND16 GetMMedia16 (HANDLE h32, INT iClass); //MultiMedia additions - MikeTri 12-May-1992
HANDLE GetMMedia32 (HAND16 h16);VOID FreeMMedia16 (HAND16 h16);
HAND16 GetWinsock16 (INT h32, INT iClass); //Winsock additions - DavidTr 4-Oct-1992
DWORD GetWinsock32 (HAND16 h16);VOID FreeWinsock16 (HAND16 h16);
BOOL MessageNeedsThunking (UINT uMsg);
DWORD Htask16toThreadID32(HTASK16 htask16);
/* Data structure used in thunking LB_GETTEXT special case
*/
typedef struct _THUNKTEXTDWORD { BOOL fDWORD; // dword used or text
DWORD dwDataItem; // dword
} THUNKTEXTDWORD, *PTHUNKTEXTDWORD;
typedef union _MSGTHUNKBUFFER { MSG msg; DRAWITEMSTRUCT ditem; MEASUREITEMSTRUCT mitem; DELETEITEMSTRUCT delitem; COMPAREITEMSTRUCT cmpitem; RECT rect; CREATESTRUCT cstruct; WINDOWPOS winpos; CLIENTCREATESTRUCT clcstruct; MDINEXTMENU mnm; MDICREATESTRUCT mdis; DROPSTRUCT dps; POINT pt[5]; // WM_GETMINMAXINFO
UINT uinteger[2]; // SBM_GETRANGE
BYTE cmdichild[sizeof(CREATESTRUCT) + sizeof(MDICREATESTRUCT)]; // FinishThunking...
BYTE cmdiclient[sizeof(CREATESTRUCT) + sizeof(CLIENTCREATESTRUCT)]; // FinishThunking...
BYTE calcsz[sizeof(NCCALCSIZE_PARAMS) + sizeof(WINDOWPOS)]; THUNKTEXTDWORD thkdword; // LB_GETTEXT w/no HASSTRINGS
} MSGTHUNKBUFFER, *LPMSGTHUNKBUFFER;
typedef struct _MSGPARAMEX *LPMSGPARAMEX;typedef BOOL (FASTCALL *LPFNTHUNKMSG16)(LPMSGPARAMEX lpmpex);typedef VOID (FASTCALL *LPFNUNTHUNKMSG16)(LPMSGPARAMEX lpmpex);
typedef struct _MSGPARAMEX { PARM16 Parm16; HWND hwnd; UINT uMsg; UINT uParam; LONG lParam; LONG lReturn; LPFNUNTHUNKMSG16 lpfnUnThunk16; PWW pww; INT iMsgThunkClass; // thunking aid
INT iClass; MSGTHUNKBUFFER MsgBuffer[1];} MSGPARAMEX;
#define MSG16NEEDSTHUNKING(lpmpex) ((lpmpex)->iClass != WOWCLASS_NOTHUNK)
// Used for compatibility sake. If app gets The hInstance of a 32bit window
// (the loword of 32bit hinstance is zero) then return a bogus gdt.
//
// Subsequently, if the app does a getmodulefilename on it we will return a
// a fake 32bit modulename.
//
// This is required for a couple of HDC apps and 16bit recorder.
//
// - Nanduri
//
#define BOGUSGDT 0xfff0
#define VALIDHMOD(h32) (((h32) && !(WORD)(h32)) ? BOGUSGDT : (WORD)(h32))
// For DEVMODE struct handling
// We add a little extra to devmode sizes that we return to 16-bit apps
// including a signature "DM31" at the end of the driver extra stuff
// See notes in wstruc.c
typedef struct _WOWDM31 { DWORD dwWOWSig; WORD dmSpecVersion; WORD dmSize; WORD dmDriverExtra; WORD reserved; // pad to even DWORD (required for ptr arithmetic)
} WOWDM31;typedef WOWDM31 UNALIGNED *PWOWDM31;
// WOW DEVMODE magic signature
#define WOW_DEVMODE31SIG 0x444d3331 // "DM31"
// Win3.1 DEVMODE spec
#define WOW_DEVMODE31SPEC 0x30A
// Constant we add to Win3.1 DevMode->DriverExtra to account for the NT Devmode
// fields not in the Win3.1 devmode & the WOW thunk info we add to the end
#define WOW_DEVMODEEXTRA ((sizeof(DEVMODE)-sizeof(DEVMODE31))+sizeof(WOWDM31))
extern WORD gUser16hInstance;ULONG GetGCL_HMODULE(HWND hwnd);
#define ISFUNCID(dwcallid) (!((DWORD)(dwcallid) & 0xffff0000))
#define POSTMSG(dwLocal) (ISFUNCID(dwLocal = \
FRAMEPTR(CURRENTPTD()->vpStack)->wCallID) ? \ (aw32WOW[dwLocal].lpfnW32 == WU32PostMessage) : \ (dwLocal == (DWORD) WU32PostMessage))
ULONG WOW32FaxHandler(UINT iFun, LPSTR lpIn);
#define BAD_GDI32_HANDLE 0xFFFF // bad GDI32 handle
#define END_OF_LIST 0 // end of free list
// State flags
#define SLOT_FREE 0x0000 // table index is free
#define IN_USE 0x0001 // table index is in use
#define H16_DELETED 0x0002 // marks index as candidate for being reclaimed
#define GDI_STOCK_OBJECT 0x0003 // marks stock objects (non-deletable)
// defines entries in the GDI16 handle mapping table
typedef struct _tagGDIH16MAP { HANDLE h32; // store the full h32
WORD State; // Either SLOT_FREE, IN_USE or H16_DELETED
WORD NextFree; // points to next free index or END_OF_LIST
} GDIH16MAP, *PGDIH16MAP;
// defines entries in the GDI32 handle mapping table
typedef struct _tagGDIH32MAP { WORD h16index;} GDIH32MAP, *PGDIH32MAP;
void DeleteGdiHandleMappingTables(void);BOOL InitializeGdiHandleMappingTable(void);void RebuildGdiHandleMappingTables(void);void DeleteWOWGdiHandle(HANDLE h32, HAND16 h16);HAND16 GetWOWGdiHandleInfo(HANDLE h32);HAND16 IsGDIh32Mapped(HANDLE h32);
INT GetIClass(PWW pww, HWND hwnd);
/*
//
// if it's a standard class (fast method) ?
// return it :
// else if the window is initialized ?
// we know it's a private app class : else get the class the hard way
//
// Note: GetiClassTheHardWay() may stiil return a standard class. See walias.c
//
#define GETICLASS(pww, hwnd) ( \
(((((PWW)pww)->fnid & 0xfff) >= FNID_START) && \ ((((PWW)pww)->fnid & 0xfff) <= FNID_END)) ? \ (pfnOut.aiWowClass[(((PWW)pww)->fnid & 0xfff) - FNID_START]) : \((((PWW)pww)->state2 & WINDOW_IS_INITIALIZED) ? \ WOWCLASS_WIN16 : GetiClassTheHardWay(hwnd)) )*/#define GETICLASS(pww, hwnd) GetIClass(pww, hwnd)
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