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Diffstat (limited to '')
| -rw-r--r-- | private/mvdm/wow32/wmmalias.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/private/mvdm/wow32/wmmalias.h b/private/mvdm/wow32/wmmalias.h new file mode 100644 index 000000000..174c0ebe7 --- /dev/null +++ b/private/mvdm/wow32/wmmalias.h @@ -0,0 +1,95 @@ +/*++ BUILD Version: 0001 + * + * WOW v1.0 + * + * Copyright (c) 1991, Microsoft Corporation + * + * WMMALIAS.H + * WOW32 16-bit handle alias support + * + * History: + * Created Sept-1-1992 by Chandan Chauhan (ChandanC) + * Modified 12-May-1992 by Mike Tricker (miketri) to add MultiMedia support +--*/ + + + +/* 16-bit handle format + * + * Bits 0 and 1 are always zero (potential compatibility requirement). + * Note however that the macros below treat HASH_BITS as starting at bit + * 0, for simplicity. We just shift the alias left two bits when we're + * done. The actual number of low bits that are reserved is determined + * by RES_BITS. + * + * Of the remaining 14 bits, the next HASH_BITS bits are the hash slot # + * (relative to 0), followed by LIST_BITS bits containing the list slot # + * (relative to 1). List slot is relative to 1 because some portion of + * a valid handle must be non-zero; this is also why LIST_SLOTS contains + * that extra "-1". + */ +#define RES_BITS 2 + +#define HASH_BITS 6 +#define HASH_SLOTS (1 << HASH_BITS) +#define HASH_MASK (HASH_SLOTS-1) +#define MASK32(h32) ((INT)(h32)) +#define HASH32(h32) (MASK32(h32) & (HASH_SLOTS-1)) + +#define LIST_BITS (16-RES_BITS-HASH_BITS) +#define LIST_SLOTS ((1 << LIST_BITS) - 1) +#define LIST_MASK (LIST_SLOTS << HASH_BITS) + +#define ALIAS_SLOTS 128 // must be a power of 2 + + +/* Class map entry + */ +#pragma pack(2) +typedef struct _WCDM { /* wcd */ + struct _WCD *pwcdNext; // pointer to next wcd entry + PSZ pszClass; // pointer to local copy of class name + VPSZ vpszMenu; // pointer to original copy of menu name, if any + HAND16 hModule16; // handle of owning module + HAND16 hInst16; // 16-bit hInstance (wndclass16.hInstance) + WORD nWindows; // # of windows in existence based on class + VPWNDPROC vpfnWndProc; // 16-bit window proc address + WORD wStyle; // Class Style bits +} WCD, *PWCD, **PPWCD; +#pragma pack() + + + +/* Handle map entry + */ +#pragma pack(2) +typedef struct _HMAP { /* hm */ + struct _HMAP *phmNext; // pointer to next hmap entry + HANDLE h32; // 32-bit handle + HAND16 h16; // 16-bit handle + HTASK16 htask16; // 16-bit handle of owning task + INT iClass; // WOW class index + DWORD dwStyle; // style flags (if handle to window) + PWCD pwcd; // WOW class data pointer + VPWNDPROC vpfnWndProc; // associated 16-bit function address + VPWNDPROC vpfnDlgProc; // 16-bit dialog function +} HMAP, *PHMAP, **PPHMAP; +#pragma pack() + + +/* Handle alias info + */ +typedef struct _HINFO { /* hi */ + PPHMAP pphmHash; // address of hash table +#ifdef NEWALIAS + PPHMAP pphmAlias; // address of alias table + INT nAliasEntries; // size of alias table, in entries + INT iAliasHint; // next (possibly) free slot in alias table +#endif +} HINFO, *PHINFO, **PPHINFO; + + +PHMAP FindHMap32(HAND32 h32, PHINFO phi, INT iClass); +PHMAP FindHMap16(HAND16 h16, PHINFO phi); +VOID FreeHMap16(HAND16 h16, PHINFO phi); +PSZ GetHMapNameM(PHINFO phi, INT iClass); |