/* * Window procedure callbacks * * Copyright 1995 Martin von Loewis * Copyright 1996 Alexandre Julliard */ #include #include "windows.h" #include "heap.h" #include "selectors.h" #include "struct32.h" #include "win.h" #include "winproc.h" #include "stddebug.h" #include "debug.h" /* Window procedure 16-to-32-bit thunk, * see BuildSpec16Files() in tools/build.c */ typedef struct { BYTE popl_eax; /* popl %eax (return address) */ BYTE pushl_func; /* pushl $proc */ WNDPROC32 proc WINE_PACKED; BYTE pushl_eax; /* pushl %eax */ WORD pushw_bp WINE_PACKED; /* pushw %bp */ BYTE pushl_thunk; /* pushl $thunkfrom16 */ void (*thunk32)() WINE_PACKED; BYTE lcall; /* lcall cs:relay */ void (*relay)() WINE_PACKED; /* WINPROC_CallProc16To32A/W() */ WORD cs WINE_PACKED; } WINPROC_THUNK_FROM16; /* Window procedure 32-to-16-bit thunk, * see BuildSpec32Files() in tools/build.c */ typedef struct { BYTE popl_eax; /* popl %eax (return address) */ BYTE pushl_func; /* pushl $proc */ WNDPROC16 proc WINE_PACKED; BYTE pushl_eax; /* pushl %eax */ BYTE jmp; /* jmp relay (relative jump)*/ void (*relay)() WINE_PACKED; /* WINPROC_CallProc32ATo16() */ } WINPROC_THUNK_FROM32; /* Simple jmp to call 32-bit procedure directly */ typedef struct { BYTE jmp; /* jmp proc (relative jump) */ WNDPROC32 proc WINE_PACKED; } WINPROC_JUMP; typedef union { WINPROC_THUNK_FROM16 t_from16; WINPROC_THUNK_FROM32 t_from32; } WINPROC_THUNK; typedef struct tagWINDOWPROC { WINPROC_THUNK thunk; /* Thunk */ WINPROC_JUMP jmp; /* Jump */ struct tagWINDOWPROC *next; /* Next window proc */ UINT32 magic; /* Magic number */ WINDOWPROCTYPE type; /* Function type */ WINDOWPROCUSER user; /* Function user */ } WINDOWPROC; #define WINPROC_MAGIC ('W' | ('P' << 8) | ('R' << 16) | ('C' << 24)) #define WINPROC_THUNKPROC(pproc) \ (((pproc)->type == WIN_PROC_16) ? \ (WNDPROC16)((pproc)->thunk.t_from32.proc) : \ (WNDPROC16)((pproc)->thunk.t_from16.proc)) LRESULT WINPROC_CallProc16To32A( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam, WNDPROC32 func ); LRESULT WINPROC_CallProc16To32W( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam, WNDPROC32 func ); static LRESULT WINAPI WINPROC_CallProc32ATo16( WNDPROC16 func, HWND32 hwnd, UINT32 msg, WPARAM32 wParam, LPARAM lParam ); static LRESULT WINAPI WINPROC_CallProc32WTo16( WNDPROC16 func, HWND32 hwnd, UINT32 msg, WPARAM32 wParam, LPARAM lParam ); extern void CallFrom16_long_wwwll(void); static HANDLE32 WinProcHeap; static LRESULT WINPROC_CallWndProc16( WNDPROC16 proc, HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam ); static LRESULT WINPROC_CallWndProc32( WNDPROC32 proc, HWND32 hwnd, UINT32 msg, WPARAM32 wParam, LPARAM lParam ); static WINPROC_CALLWNDPROC16 WINPROC_CallWndProc16Ptr = WINPROC_CallWndProc16; /********************************************************************** * WINPROC_Init */ BOOL32 WINPROC_Init(void) { WinProcHeap = HeapCreate( HEAP_WINE_SEGPTR | HEAP_WINE_CODESEG, 0, 0 ); if (!WinProcHeap) { fprintf( stderr, "Unable to create winproc heap\n" ); return FALSE; } return TRUE; } /********************************************************************** * WINPROC_CallWndProc16 * * Call a 16-bit WndProc. */ static LRESULT WINPROC_CallWndProc16( WNDPROC16 proc, HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam ) { return proc( hwnd, msg, wParam, lParam ); } /********************************************************************** * WINPROC_CallWndProc32 * * Call a 32-bit WndProc. */ static LRESULT WINPROC_CallWndProc32( WNDPROC32 proc, HWND32 hwnd, UINT32 msg, WPARAM32 wParam, LPARAM lParam ) { dprintf_relay( stddeb, "CallTo32(wndproc=%p,hwnd=%08x,msg=%08x,wp=%08x,lp=%08lx)\n", proc, hwnd, msg, wParam, lParam ); return proc( hwnd, msg, wParam, lParam ); } /********************************************************************** * WINPROC_SetCallWndProc16 */ void WINPROC_SetCallWndProc16( WINPROC_CALLWNDPROC16 proc ) { WINPROC_CallWndProc16Ptr = proc; } /********************************************************************** * WINPROC_GetPtr * * Return a pointer to the win proc. */ static WINDOWPROC *WINPROC_GetPtr( WNDPROC16 handle ) { BYTE *ptr; WINDOWPROC *proc; /* Check for a linear pointer */ if (HEAP_IsInsideHeap( WinProcHeap, 0, (LPVOID)handle )) { ptr = (BYTE *)handle; /* First check if it is the jmp address */ if (*ptr == 0xe9 /* jmp */) ptr -= (int)&((WINDOWPROC *)0)->jmp - (int)&((WINDOWPROC *)0)->thunk; /* Now it must be the thunk address */ if (*ptr == 0x58 /* popl eax */) ptr -= (int)&((WINDOWPROC *)0)->thunk; /* Now we have a pointer to the WINDOWPROC struct */ if (((WINDOWPROC *)ptr)->magic == WINPROC_MAGIC) return (WINDOWPROC *)ptr; } /* Check for a segmented pointer */ if (!IsBadReadPtr16((SEGPTR)handle,sizeof(WINDOWPROC)-sizeof(proc->thunk))) { ptr = (BYTE *)PTR_SEG_TO_LIN(handle); if (!HEAP_IsInsideHeap( WinProcHeap, 0, ptr )) return NULL; /* It must be the thunk address */ if (*ptr == 0x58 /* popl eax */) ptr -= (int)&((WINDOWPROC *)0)->thunk; /* Now we have a pointer to the WINDOWPROC struct */ if (((WINDOWPROC *)ptr)->magic == WINPROC_MAGIC) return (WINDOWPROC *)ptr; } return NULL; } /********************************************************************** * WINPROC_AllocWinProc * * Allocate a new window procedure. */ static WINDOWPROC *WINPROC_AllocWinProc( WNDPROC16 func, WINDOWPROCTYPE type, WINDOWPROCUSER user ) { WINDOWPROC *proc, *oldproc; /* Allocate a window procedure */ if (!(proc = HeapAlloc( WinProcHeap, 0, sizeof(WINDOWPROC) ))) return 0; /* Check if the function is already a win proc */ if ((oldproc = WINPROC_GetPtr( func ))) { *proc = *oldproc; } else { switch(type) { case WIN_PROC_16: proc->thunk.t_from32.popl_eax = 0x58; /* popl %eax */ proc->thunk.t_from32.pushl_func = 0x68; /* pushl $proc */ proc->thunk.t_from32.proc = func; proc->thunk.t_from32.pushl_eax = 0x50; /* pushl %eax */ proc->thunk.t_from32.jmp = 0xe9; /* jmp relay*/ proc->thunk.t_from32.relay = /* relative jump */ (void(*)())((DWORD)WINPROC_CallProc32ATo16 - (DWORD)(&proc->thunk.t_from32.relay + 1)); break; case WIN_PROC_32A: case WIN_PROC_32W: proc->thunk.t_from16.popl_eax = 0x58; /* popl %eax */ proc->thunk.t_from16.pushl_func = 0x68; /* pushl $proc */ proc->thunk.t_from16.proc = (FARPROC32)func; proc->thunk.t_from16.pushl_eax = 0x50; /* pushl %eax */ proc->thunk.t_from16.pushw_bp = 0x5566; /* pushw %bp */ proc->thunk.t_from16.pushl_thunk = 0x68; /* pushl $thunkfrom16 */ proc->thunk.t_from16.thunk32 = (type == WIN_PROC_32A) ? (void(*)())WINPROC_CallProc16To32A : (void(*)())WINPROC_CallProc16To32W; proc->thunk.t_from16.lcall = 0x9a; /* lcall cs:relay */ proc->thunk.t_from16.relay = CallFrom16_long_wwwll; proc->thunk.t_from16.cs = WINE_CODE_SELECTOR; proc->jmp.jmp = 0xe9; /* Fixup relative jump */ proc->jmp.proc = (WNDPROC32)((DWORD)func - (DWORD)(&proc->jmp.proc + 1)); break; default: /* Should not happen */ break; } proc->magic = WINPROC_MAGIC; proc->type = type; proc->user = user; } proc->next = NULL; dprintf_win( stddeb, "WINPROC_AllocWinProc(%08x,%d): returning %08x\n", (UINT32)func, type, (UINT32)proc ); return proc; } /********************************************************************** * WINPROC_GetProc * * Get a window procedure pointer that can be passed to the Windows program. */ WNDPROC16 WINPROC_GetProc( HWINDOWPROC proc, WINDOWPROCTYPE type ) { if (!proc) return NULL; if (type == WIN_PROC_16) /* We want a 16:16 address */ { if (((WINDOWPROC *)proc)->type == WIN_PROC_16) return ((WINDOWPROC *)proc)->thunk.t_from32.proc; else return (WNDPROC16)HEAP_GetSegptr( WinProcHeap, 0, &((WINDOWPROC *)proc)->thunk ); } else /* We want a 32-bit address */ { if (((WINDOWPROC *)proc)->type == WIN_PROC_16) return (WNDPROC16)&((WINDOWPROC *)proc)->thunk; else return (WNDPROC16)&((WINDOWPROC *)proc)->jmp; } } /********************************************************************** * WINPROC_SetProc * * Set the window procedure for a window or class. There are * three tree classes of winproc callbacks: * * 1) class -> wp - not subclassed * class -> wp -> wp -> wp -> wp - SetClassLong() * / / * 2) window -' / - not subclassed * window -> wp -> wp ' - SetWindowLong() * * 3) timer -> wp - SetTimer() * * Initially, winproc of the window points to the current winproc * thunk of its class. Subclassing prepends a new thunk to the * window winproc chain at the head of the list. Thus, window thunk * list includes class thunks and the latter are preserved when the * window is destroyed. * */ BOOL32 WINPROC_SetProc( HWINDOWPROC *pFirst, WNDPROC16 func, WINDOWPROCTYPE type, WINDOWPROCUSER user ) { BOOL32 bRecycle = FALSE; WINDOWPROC *proc, **ppPrev; /* Check if function is already in the list */ ppPrev = (WINDOWPROC **)pFirst; proc = WINPROC_GetPtr( func ); while (*ppPrev) { if (proc) { if (*ppPrev == proc) { if ((*ppPrev)->user != user) { /* terminal thunk is being restored */ WINPROC_FreeProc( *pFirst, (*ppPrev)->user ); *(WINDOWPROC **)pFirst = *ppPrev; return TRUE; } bRecycle = TRUE; break; } } else { if (((*ppPrev)->type == type) && (func == WINPROC_THUNKPROC(*ppPrev))) { bRecycle = TRUE; break; } } /* WPF_CLASS thunk terminates window thunk list */ if ((*ppPrev)->user != user) break; ppPrev = &(*ppPrev)->next; } if (bRecycle) { /* Extract this thunk from the list */ proc = *ppPrev; *ppPrev = proc->next; } else /* Allocate a new one */ { if (proc) /* Was already a win proc */ { type = proc->type; func = WINPROC_THUNKPROC(proc); } proc = WINPROC_AllocWinProc( func, type, user ); if (!proc) return FALSE; } /* Add the win proc at the head of the list */ dprintf_win( stddeb, "WINPROC_SetProc(%08x,%08x,%d): res=%08x\n", (UINT32)*pFirst, (UINT32)func, type, (UINT32)proc ); proc->next = *(WINDOWPROC **)pFirst; *(WINDOWPROC **)pFirst = proc; return TRUE; } /********************************************************************** * WINPROC_FreeProc * * Free a list of win procs. */ void WINPROC_FreeProc( HWINDOWPROC proc, WINDOWPROCUSER user ) { while (proc) { WINDOWPROC *next = ((WINDOWPROC *)proc)->next; if (((WINDOWPROC *)proc)->user != user) break; dprintf_win( stddeb, "WINPROC_FreeProc: freeing %08x\n", (UINT32)proc); HeapFree( WinProcHeap, 0, proc ); proc = next; } } /********************************************************************** * WINPROC_GetProcType * * Return the window procedure type. */ WINDOWPROCTYPE WINPROC_GetProcType( HWINDOWPROC proc ) { if (!proc || (((WINDOWPROC *)proc)->magic != WINPROC_MAGIC)) return WIN_PROC_INVALID; return ((WINDOWPROC *)proc)->type; } /********************************************************************** * WINPROC_MapMsg32ATo32W * * Map a message from Ansi to Unicode. * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed. */ INT32 WINPROC_MapMsg32ATo32W( UINT32 msg, WPARAM32 wParam, LPARAM *plparam ) { switch(msg) { case WM_GETTEXT: { LPARAM *ptr = (LPARAM *)HeapAlloc( SystemHeap, 0, wParam * sizeof(WCHAR) + sizeof(LPARAM) ); if (!ptr) return -1; *ptr++ = *plparam; /* Store previous lParam */ *plparam = (LPARAM)ptr; } return 1; case WM_SETTEXT: *plparam = (LPARAM)HEAP_strdupAtoW( SystemHeap, 0, (LPCSTR)*plparam ); return (*plparam ? 1 : -1); case WM_NCCREATE: case WM_CREATE: { CREATESTRUCT32W *cs = (CREATESTRUCT32W *)HeapAlloc( SystemHeap, 0, sizeof(*cs) ); if (!cs) return -1; *cs = *(CREATESTRUCT32W *)*plparam; if (HIWORD(cs->lpszName)) cs->lpszName = HEAP_strdupAtoW( SystemHeap, 0, (LPCSTR)cs->lpszName ); if (HIWORD(cs->lpszClass)) cs->lpszClass = HEAP_strdupAtoW( SystemHeap, 0, (LPCSTR)cs->lpszClass ); *plparam = (LPARAM)cs; } return 1; case WM_MDICREATE: { MDICREATESTRUCT32W *cs = (MDICREATESTRUCT32W *)HeapAlloc( SystemHeap, 0, sizeof(*cs) ); if (!cs) return -1; *cs = *(MDICREATESTRUCT32W *)*plparam; if (HIWORD(cs->szClass)) cs->szClass = HEAP_strdupAtoW( SystemHeap, 0, (LPCSTR)cs->szClass ); if (HIWORD(cs->szTitle)) cs->szTitle = HEAP_strdupAtoW( SystemHeap, 0, (LPCSTR)cs->szTitle ); *plparam = (LPARAM)cs; } return 1; case WM_ASKCBFORMATNAME: case WM_DEVMODECHANGE: case WM_MDIACTIVATE: case WM_PAINTCLIPBOARD: case WM_SIZECLIPBOARD: case WM_WININICHANGE: fprintf( stderr, "MapMsg32ATo32W: message %04x needs translation\n", msg ); return -1; default: /* No translation needed */ return 0; } } /********************************************************************** * WINPROC_UnmapMsg32ATo32W * * Unmap a message that was mapped from Ansi to Unicode. */ void WINPROC_UnmapMsg32ATo32W( UINT32 msg, WPARAM32 wParam, LPARAM lParam ) { switch(msg) { case WM_GETTEXT: { LPARAM *ptr = (LPARAM *)lParam - 1; lstrcpynWtoA( (LPSTR)*ptr, (LPWSTR)(ptr + 1), wParam ); HeapFree( SystemHeap, 0, ptr ); } break; case WM_SETTEXT: HeapFree( SystemHeap, 0, (void *)lParam ); break; case WM_NCCREATE: case WM_CREATE: { CREATESTRUCT32W *cs = (CREATESTRUCT32W *)lParam; if (HIWORD(cs->lpszName)) HeapFree( SystemHeap, 0, (LPVOID)cs->lpszName ); if (HIWORD(cs->lpszClass)) HeapFree( SystemHeap, 0, (LPVOID)cs->lpszClass ); HeapFree( SystemHeap, 0, cs ); } break; case WM_MDICREATE: { MDICREATESTRUCT32W *cs = (MDICREATESTRUCT32W *)lParam; if (HIWORD(cs->szTitle)) HeapFree( SystemHeap, 0, (LPVOID)cs->szTitle ); if (HIWORD(cs->szClass)) HeapFree( SystemHeap, 0, (LPVOID)cs->szClass ); HeapFree( SystemHeap, 0, cs ); } break; } } /********************************************************************** * WINPROC_MapMsg32WTo32A * * Map a message from Unicode to Ansi. * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed. */ INT32 WINPROC_MapMsg32WTo32A( UINT32 msg, WPARAM32 wParam, LPARAM *plparam ) { switch(msg) { case WM_GETTEXT: { LPARAM *ptr = (LPARAM *)HeapAlloc( SystemHeap, 0, wParam + sizeof(LPARAM) ); if (!ptr) return -1; *ptr++ = *plparam; /* Store previous lParam */ *plparam = (LPARAM)ptr; } return 1; case WM_SETTEXT: *plparam = (LPARAM)HEAP_strdupWtoA( SystemHeap, 0, (LPCWSTR)*plparam ); return (*plparam ? 1 : -1); case WM_NCCREATE: case WM_CREATE: { CREATESTRUCT32A *cs = (CREATESTRUCT32A *)HeapAlloc( SystemHeap, 0, sizeof(*cs) ); if (!cs) return -1; *cs = *(CREATESTRUCT32A *)*plparam; if (HIWORD(cs->lpszName)) cs->lpszName = HEAP_strdupWtoA( SystemHeap, 0, (LPCWSTR)cs->lpszName ); if (HIWORD(cs->lpszClass)) cs->lpszClass = HEAP_strdupWtoA( SystemHeap, 0, (LPCWSTR)cs->lpszClass); *plparam = (LPARAM)cs; } return 1; case WM_MDICREATE: { MDICREATESTRUCT32A *cs = (MDICREATESTRUCT32A *)HeapAlloc( SystemHeap, 0, sizeof(*cs) ); if (!cs) return -1; *cs = *(MDICREATESTRUCT32A *)*plparam; if (HIWORD(cs->szTitle)) cs->szTitle = HEAP_strdupWtoA( SystemHeap, 0, (LPCWSTR)cs->szTitle ); if (HIWORD(cs->szClass)) cs->szClass = HEAP_strdupWtoA( SystemHeap, 0, (LPCWSTR)cs->szClass ); *plparam = (LPARAM)cs; } return 1; case WM_ASKCBFORMATNAME: case WM_DEVMODECHANGE: case WM_MDIACTIVATE: case WM_PAINTCLIPBOARD: case WM_SIZECLIPBOARD: case WM_WININICHANGE: fprintf( stderr, "MapMsg32WTo32A: message %04x needs translation\n", msg ); return -1; default: /* No translation needed */ return 0; } } /********************************************************************** * WINPROC_UnmapMsg32WTo32A * * Unmap a message that was mapped from Unicode to Ansi. */ void WINPROC_UnmapMsg32WTo32A( UINT32 msg, WPARAM32 wParam, LPARAM lParam ) { switch(msg) { case WM_GETTEXT: { LPARAM *ptr = (LPARAM *)lParam - 1; lstrcpynAtoW( (LPWSTR)*ptr, (LPSTR)(ptr + 1), wParam ); HeapFree( SystemHeap, 0, ptr ); } break; case WM_SETTEXT: HeapFree( SystemHeap, 0, (void *)lParam ); break; case WM_NCCREATE: case WM_CREATE: { CREATESTRUCT32A *cs = (CREATESTRUCT32A *)lParam; if (HIWORD(cs->lpszName)) HeapFree( SystemHeap, 0, (LPVOID)cs->lpszName ); if (HIWORD(cs->lpszClass)) HeapFree( SystemHeap, 0, (LPVOID)cs->lpszClass ); HeapFree( SystemHeap, 0, cs ); } break; case WM_MDICREATE: { MDICREATESTRUCT32A *cs = (MDICREATESTRUCT32A *)lParam; if (HIWORD(cs->szTitle)) HeapFree( SystemHeap, 0, (LPVOID)cs->szTitle ); if (HIWORD(cs->szClass)) HeapFree( SystemHeap, 0, (LPVOID)cs->szClass ); HeapFree( SystemHeap, 0, cs ); } break; } } /********************************************************************** * WINPROC_MapMsg16To32A * * Map a message from 16- to 32-bit Ansi. * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed. */ INT32 WINPROC_MapMsg16To32A( UINT16 msg16, WPARAM16 wParam16, UINT32 *pmsg32, WPARAM32 *pwparam32, LPARAM *plparam ) { *pmsg32 = (UINT32)msg16; *pwparam32 = (WPARAM32)wParam16; switch(msg16) { case WM_ACTIVATE: case WM_CHARTOITEM: case WM_COMMAND: case WM_VKEYTOITEM: *pwparam32 = MAKEWPARAM( wParam16, HIWORD(*plparam) ); *plparam = (LPARAM)(HWND32)LOWORD(*plparam); return 0; case WM_HSCROLL: case WM_VSCROLL: *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) ); *plparam = (LPARAM)(HWND32)HIWORD(*plparam); return 0; case WM_CTLCOLOR: *pmsg32 = WM_CTLCOLORMSGBOX + HIWORD(*plparam); *pwparam32 = (WPARAM32)(HDC32)wParam16; *plparam = (LPARAM)(HWND32)LOWORD(*plparam); return 0; case WM_COMPAREITEM: { COMPAREITEMSTRUCT16* cis16 = (COMPAREITEMSTRUCT16 *)PTR_SEG_TO_LIN(*plparam); COMPAREITEMSTRUCT32 *cis = (COMPAREITEMSTRUCT32 *) HeapAlloc(SystemHeap, 0, sizeof(*cis)); if (!cis) return -1; cis->CtlType = cis16->CtlType; cis->CtlID = cis16->CtlID; cis->hwndItem = cis16->hwndItem; cis->itemID1 = cis16->itemID1; cis->itemData1 = cis16->itemData1; cis->itemID2 = cis16->itemID2; cis->itemData2 = cis16->itemData2; cis->dwLocaleId = 0; /* FIXME */ *plparam = (LPARAM)cis; } return 1; case WM_DELETEITEM: { DELETEITEMSTRUCT16* dis16 = (DELETEITEMSTRUCT16 *)PTR_SEG_TO_LIN(*plparam); DELETEITEMSTRUCT32 *dis = (DELETEITEMSTRUCT32 *) HeapAlloc(SystemHeap, 0, sizeof(*dis)); if (!dis) return -1; dis->CtlType = dis16->CtlType; dis->CtlID = dis16->CtlID; dis->hwndItem = dis16->hwndItem; dis->itemData = dis16->itemData; *plparam = (LPARAM)dis; } return 1; case WM_MEASUREITEM: { MEASUREITEMSTRUCT16* mis16 = (MEASUREITEMSTRUCT16 *)PTR_SEG_TO_LIN(*plparam); MEASUREITEMSTRUCT32 *mis = (MEASUREITEMSTRUCT32 *) HeapAlloc(SystemHeap, 0, sizeof(*mis) + sizeof(LPARAM)); if (!mis) return -1; mis->CtlType = mis16->CtlType; mis->CtlID = mis16->CtlID; mis->itemID = mis16->itemID; mis->itemWidth = mis16->itemWidth; mis->itemHeight = mis16->itemHeight; mis->itemData = mis16->itemData; *(LPARAM *)(mis + 1) = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)mis; } return 1; case WM_DRAWITEM: { DRAWITEMSTRUCT16* dis16 = (DRAWITEMSTRUCT16 *)PTR_SEG_TO_LIN(*plparam); DRAWITEMSTRUCT32 *dis = (DRAWITEMSTRUCT32*)HeapAlloc(SystemHeap, 0, sizeof(*dis)); if (!dis) return -1; dis->CtlType = dis16->CtlType; dis->CtlID = dis16->CtlID; dis->itemID = dis16->itemID; dis->itemAction = dis16->itemAction; dis->itemState = dis16->itemState; dis->hwndItem = dis16->hwndItem; dis->hDC = dis16->hDC; dis->itemData = dis16->itemData; CONV_RECT16TO32( &dis16->rcItem, &dis->rcItem ); *plparam = (LPARAM)dis; } return 1; case WM_GETMINMAXINFO: { MINMAXINFO32 *mmi = (MINMAXINFO32 *)HeapAlloc( SystemHeap, 0, sizeof(*mmi) + sizeof(LPARAM)); if (!mmi) return -1; STRUCT32_MINMAXINFO16to32( (MINMAXINFO16*)PTR_SEG_TO_LIN(*plparam), mmi ); *(LPARAM *)(mmi + 1) = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)mmi; } return 1; case WM_GETTEXT: *plparam = (LPARAM)PTR_SEG_TO_LIN(*plparam); return 0; case WM_MDICREATE: { MDICREATESTRUCT16 *cs16 = (MDICREATESTRUCT16 *)PTR_SEG_TO_LIN(*plparam); MDICREATESTRUCT32A *cs = (MDICREATESTRUCT32A *)HeapAlloc( SystemHeap, 0, sizeof(*cs) + sizeof(LPARAM) ); if (!cs) return -1; STRUCT32_MDICREATESTRUCT16to32A( cs16, cs ); cs->szTitle = (LPCSTR)PTR_SEG_TO_LIN(cs16->szTitle); cs->szClass = (LPCSTR)PTR_SEG_TO_LIN(cs16->szClass); *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)cs; } return 1; case WM_MDISETMENU: *pwparam32 = (WPARAM32)(HMENU32)LOWORD(*plparam); *plparam = (LPARAM)(HMENU32)HIWORD(*plparam); return 0; case WM_MENUCHAR: case WM_MENUSELECT: *pwparam32 = MAKEWPARAM( wParam16, LOWORD(*plparam) ); *plparam = (LPARAM)(HMENU32)HIWORD(*plparam); return 0; case WM_NCCALCSIZE: { NCCALCSIZE_PARAMS16 *nc16; NCCALCSIZE_PARAMS32 *nc; nc = (NCCALCSIZE_PARAMS32 *)HeapAlloc( SystemHeap, 0, sizeof(*nc) + sizeof(LPARAM) ); if (!nc) return -1; nc16 = (NCCALCSIZE_PARAMS16 *)PTR_SEG_TO_LIN(*plparam); CONV_RECT16TO32( &nc16->rgrc[0], &nc->rgrc[0] ); if (wParam16) { nc->lppos = (WINDOWPOS32 *)HeapAlloc( SystemHeap, 0, sizeof(*nc->lppos) ); CONV_RECT16TO32( &nc16->rgrc[1], &nc->rgrc[1] ); CONV_RECT16TO32( &nc16->rgrc[2], &nc->rgrc[2] ); if (nc->lppos) STRUCT32_WINDOWPOS16to32( (WINDOWPOS16 *)PTR_SEG_TO_LIN(nc16->lppos), nc->lppos ); } *(LPARAM *)(nc + 1) = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)nc; } return 1; case WM_NCCREATE: case WM_CREATE: { CREATESTRUCT16 *cs16 = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(*plparam); CREATESTRUCT32A *cs = (CREATESTRUCT32A *)HeapAlloc( SystemHeap, 0, sizeof(*cs) + sizeof(LPARAM) ); if (!cs) return -1; STRUCT32_CREATESTRUCT16to32A( cs16, cs ); cs->lpszName = (LPCSTR)PTR_SEG_TO_LIN(cs16->lpszName); cs->lpszClass = (LPCSTR)PTR_SEG_TO_LIN(cs16->lpszClass); *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)cs; } return 1; case WM_PARENTNOTIFY: if ((wParam16 == WM_CREATE) || (wParam16 == WM_DESTROY)) { *pwparam32 = MAKEWPARAM( wParam16, HIWORD(*plparam) ); *plparam = (LPARAM)(HWND32)LOWORD(*plparam); } return 0; case WM_SETTEXT: *plparam = (LPARAM)PTR_SEG_TO_LIN(*plparam); return 0; case WM_WINDOWPOSCHANGING: case WM_WINDOWPOSCHANGED: { WINDOWPOS32 *wp = (WINDOWPOS32 *)HeapAlloc( SystemHeap, 0, sizeof(*wp) + sizeof(LPARAM) ); if (!wp) return -1; STRUCT32_WINDOWPOS16to32( (WINDOWPOS16 *)PTR_SEG_TO_LIN(*plparam), wp ); *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)wp; } return 1; case WM_ASKCBFORMATNAME: case WM_DEVMODECHANGE: case WM_MDIACTIVATE: case WM_PAINTCLIPBOARD: case WM_SIZECLIPBOARD: case WM_WININICHANGE: fprintf( stderr, "MapMsg16To32A: message %04x needs translation\n", msg16 ); return -1; default: /* No translation needed */ return 0; } } /********************************************************************** * WINPROC_UnmapMsg16To32A * * Unmap a message that was mapped from 16- to 32-bit Ansi. */ void WINPROC_UnmapMsg16To32A( UINT32 msg, WPARAM32 wParam, LPARAM lParam ) { switch(msg) { case WM_COMPAREITEM: case WM_DELETEITEM: case WM_DRAWITEM: HeapFree( SystemHeap, 0, (LPVOID)lParam ); break; case WM_MEASUREITEM: { MEASUREITEMSTRUCT16 *mis16; MEASUREITEMSTRUCT32 *mis = (MEASUREITEMSTRUCT32 *)lParam; lParam = *(LPARAM *)(mis + 1); mis16 = (MEASUREITEMSTRUCT16 *)PTR_SEG_TO_LIN(lParam); mis16->itemWidth = (UINT16)mis->itemWidth; mis16->itemHeight = (UINT16)mis->itemHeight; HeapFree( SystemHeap, 0, mis ); } break; case WM_GETMINMAXINFO: { MINMAXINFO32 *mmi = (MINMAXINFO32 *)lParam; lParam = *(LPARAM *)(mmi + 1); STRUCT32_MINMAXINFO32to16( mmi, (MINMAXINFO16 *)PTR_SEG_TO_LIN(lParam)); HeapFree( SystemHeap, 0, mmi ); } break; case WM_MDICREATE: { MDICREATESTRUCT32A *cs = (MDICREATESTRUCT32A *)lParam; lParam = *(LPARAM *)(cs + 1); STRUCT32_MDICREATESTRUCT32Ato16( cs, (MDICREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam) ); HeapFree( SystemHeap, 0, cs ); } break; case WM_NCCALCSIZE: { NCCALCSIZE_PARAMS16 *nc16; NCCALCSIZE_PARAMS32 *nc = (NCCALCSIZE_PARAMS32 *)lParam; lParam = *(LPARAM *)(nc + 1); nc16 = (NCCALCSIZE_PARAMS16 *)PTR_SEG_TO_LIN(lParam); CONV_RECT32TO16( &nc->rgrc[0], &nc16->rgrc[0] ); if (wParam) { CONV_RECT32TO16( &nc->rgrc[1], &nc16->rgrc[1] ); CONV_RECT32TO16( &nc->rgrc[2], &nc16->rgrc[2] ); if (nc->lppos) { STRUCT32_WINDOWPOS32to16( nc->lppos, (WINDOWPOS16 *)PTR_SEG_TO_LIN(nc16->lppos)); HeapFree( SystemHeap, 0, nc->lppos ); } } HeapFree( SystemHeap, 0, nc ); } break; case WM_NCCREATE: case WM_CREATE: { CREATESTRUCT32A *cs = (CREATESTRUCT32A *)lParam; lParam = *(LPARAM *)(cs + 1); STRUCT32_CREATESTRUCT32Ato16( cs, (CREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam) ); HeapFree( SystemHeap, 0, cs ); } break; case WM_WINDOWPOSCHANGING: case WM_WINDOWPOSCHANGED: { WINDOWPOS32 *wp = (WINDOWPOS32 *)lParam; lParam = *(LPARAM *)(wp + 1); STRUCT32_WINDOWPOS32to16(wp,(WINDOWPOS16 *)PTR_SEG_TO_LIN(lParam)); HeapFree( SystemHeap, 0, wp ); } break; } } /********************************************************************** * WINPROC_MapMsg16To32W * * Map a message from 16- to 32-bit Unicode. * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed. */ INT32 WINPROC_MapMsg16To32W( UINT16 msg16, WPARAM16 wParam16, UINT32 *pmsg32, WPARAM32 *pwparam32, LPARAM *plparam ) { switch(msg16) { case WM_GETTEXT: case WM_SETTEXT: *plparam = (LPARAM)PTR_SEG_TO_LIN(*plparam); return WINPROC_MapMsg32ATo32W( *pmsg32, *pwparam32, plparam ); case WM_NCCREATE: case WM_CREATE: { CREATESTRUCT16 *cs16 = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(*plparam); CREATESTRUCT32W *cs = (CREATESTRUCT32W *)HeapAlloc( SystemHeap, 0, sizeof(*cs) + sizeof(LPARAM) ); if (!cs) return -1; STRUCT32_CREATESTRUCT16to32A( cs16, (CREATESTRUCT32A *)cs ); cs->lpszName = (LPCWSTR)PTR_SEG_TO_LIN(cs16->lpszName); cs->lpszClass = (LPCWSTR)PTR_SEG_TO_LIN(cs16->lpszClass); if (HIWORD(cs->lpszName)) cs->lpszName = HEAP_strdupAtoW( SystemHeap, 0, (LPCSTR)cs->lpszName ); if (HIWORD(cs->lpszClass)) cs->lpszClass = HEAP_strdupAtoW( SystemHeap, 0, (LPCSTR)cs->lpszClass ); *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)cs; } return 1; case WM_MDICREATE: { MDICREATESTRUCT16 *cs16 = (MDICREATESTRUCT16 *)PTR_SEG_TO_LIN(*plparam); MDICREATESTRUCT32W *cs = (MDICREATESTRUCT32W *)HeapAlloc( SystemHeap, 0, sizeof(*cs) + sizeof(LPARAM) ); if (!cs) return -1; STRUCT32_MDICREATESTRUCT16to32A( cs16, (MDICREATESTRUCT32A *)cs ); cs->szTitle = (LPCWSTR)PTR_SEG_TO_LIN(cs16->szTitle); cs->szClass = (LPCWSTR)PTR_SEG_TO_LIN(cs16->szClass); if (HIWORD(cs->szTitle)) cs->szTitle = HEAP_strdupAtoW( SystemHeap, 0, (LPCSTR)cs->szTitle ); if (HIWORD(cs->szClass)) cs->szClass = HEAP_strdupAtoW( SystemHeap, 0, (LPCSTR)cs->szClass ); *(LPARAM *)(cs + 1) = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)cs; } return 1; default: /* No Unicode translation needed */ return WINPROC_MapMsg16To32A( msg16, wParam16, pmsg32, pwparam32, plparam ); } } /********************************************************************** * WINPROC_UnmapMsg16To32W * * Unmap a message that was mapped from 16- to 32-bit Unicode. */ void WINPROC_UnmapMsg16To32W( UINT32 msg, WPARAM32 wParam, LPARAM lParam ) { switch(msg) { case WM_GETTEXT: case WM_SETTEXT: WINPROC_UnmapMsg32ATo32W( msg, wParam, lParam ); break; case WM_NCCREATE: case WM_CREATE: { CREATESTRUCT32W *cs = (CREATESTRUCT32W *)lParam; lParam = *(LPARAM *)(cs + 1); STRUCT32_CREATESTRUCT32Ato16( (CREATESTRUCT32A *)cs, (CREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam) ); if (HIWORD(cs->lpszName)) HeapFree( SystemHeap, 0, (LPVOID)cs->lpszName ); if (HIWORD(cs->lpszClass)) HeapFree( SystemHeap, 0, (LPVOID)cs->lpszClass ); HeapFree( SystemHeap, 0, cs ); } break; case WM_MDICREATE: { MDICREATESTRUCT32W *cs = (MDICREATESTRUCT32W *)lParam; lParam = *(LPARAM *)(cs + 1); STRUCT32_MDICREATESTRUCT32Ato16( (MDICREATESTRUCT32A *)cs, (MDICREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam) ); if (HIWORD(cs->szTitle)) HeapFree( SystemHeap, 0, (LPVOID)cs->szTitle ); if (HIWORD(cs->szClass)) HeapFree( SystemHeap, 0, (LPVOID)cs->szClass ); HeapFree( SystemHeap, 0, cs ); } break; default: WINPROC_UnmapMsg16To32A( msg, wParam, lParam ); break; } } /********************************************************************** * WINPROC_MapMsg32ATo16 * * Map a message from 32-bit Ansi to 16-bit. * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed. */ INT32 WINPROC_MapMsg32ATo16( UINT32 msg32, WPARAM32 wParam32, UINT16 *pmsg16, WPARAM16 *pwparam16, LPARAM *plparam ) { *pmsg16 = (UINT16)msg32; *pwparam16 = (WPARAM16)LOWORD(wParam32); switch(msg32) { case BM_GETCHECK32: case BM_SETCHECK32: case BM_GETSTATE32: case BM_SETSTATE32: case BM_SETSTYLE32: *pmsg16 = (UINT16)msg32 + (BM_GETCHECK16 - BM_GETCHECK32); return 0; case EM_GETSEL32: case EM_GETRECT32: case EM_SETRECT32: case EM_SETRECTNP32: case EM_SCROLL32: case EM_LINESCROLL32: case EM_SCROLLCARET32: case EM_GETMODIFY32: case EM_SETMODIFY32: case EM_GETLINECOUNT32: case EM_LINEINDEX32: case EM_SETHANDLE32: case EM_GETHANDLE32: case EM_GETTHUMB32: case EM_LINELENGTH32: case EM_REPLACESEL32: case EM_GETLINE32: case EM_LIMITTEXT32: case EM_CANUNDO32: case EM_UNDO32: case EM_FMTLINES32: case EM_LINEFROMCHAR32: case EM_SETTABSTOPS32: case EM_SETPASSWORDCHAR32: case EM_EMPTYUNDOBUFFER32: case EM_GETFIRSTVISIBLELINE32: case EM_SETREADONLY32: case EM_SETWORDBREAKPROC32: case EM_GETWORDBREAKPROC32: case EM_GETPASSWORDCHAR32: *pmsg16 = (UINT16)msg32 + (EM_GETSEL16 - EM_GETSEL32); return 0; case LB_CARETOFF32: case LB_CARETON32: case LB_DELETESTRING32: case LB_GETANCHORINDEX32: case LB_GETCARETINDEX32: case LB_GETCOUNT32: case LB_GETCURSEL32: case LB_GETHORIZONTALEXTENT32: case LB_GETITEMDATA32: case LB_GETITEMHEIGHT32: case LB_GETSEL32: case LB_GETSELCOUNT32: case LB_GETTEXTLEN32: case LB_GETTOPINDEX32: case LB_RESETCONTENT32: case LB_SELITEMRANGE32: case LB_SELITEMRANGEEX32: case LB_SETANCHORINDEX32: case LB_SETCARETINDEX32: case LB_SETCOLUMNWIDTH32: case LB_SETCURSEL32: case LB_SETHORIZONTALEXTENT32: case LB_SETITEMDATA32: case LB_SETITEMHEIGHT32: case LB_SETSEL32: case LB_SETTOPINDEX32: *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING32); return 0; case CB_DELETESTRING32: case CB_GETCOUNT32: case CB_GETLBTEXTLEN32: case CB_LIMITTEXT32: case CB_RESETCONTENT32: case CB_SETEDITSEL32: case CB_GETCURSEL32: case CB_SETCURSEL32: case CB_SHOWDROPDOWN32: case CB_SETITEMDATA32: case CB_SETITEMHEIGHT32: case CB_GETITEMHEIGHT32: case CB_SETEXTENDEDUI32: case CB_GETEXTENDEDUI32: case CB_GETDROPPEDSTATE32: *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL32); return 0; case CB_GETEDITSEL32: *pmsg16 = CB_GETEDITSEL16; return 1; case LB_ADDSTRING32: case LB_FINDSTRING32: case LB_FINDSTRINGEXACT32: case LB_INSERTSTRING32: case LB_SELECTSTRING32: case LB_DIR32: case LB_ADDFILE32: { LPSTR str = SEGPTR_STRDUP( (LPSTR)*plparam ); if (!str) return -1; *plparam = (LPARAM)SEGPTR_GET(str); } *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING32); return 1; case CB_ADDSTRING32: case CB_FINDSTRING32: case CB_FINDSTRINGEXACT32: case CB_INSERTSTRING32: case CB_SELECTSTRING32: case CB_DIR32: { LPSTR str = SEGPTR_STRDUP( (LPSTR)*plparam ); if (!str) return -1; *plparam = (LPARAM)SEGPTR_GET(str); } *pmsg16 = (UINT16)msg32 + (CB_GETEDITSEL16 - CB_GETEDITSEL32); return 1; case LB_GETITEMRECT32: { RECT16 *rect; rect = (RECT16 *)SEGPTR_ALLOC( sizeof(RECT16) + sizeof(LPARAM) ); if (!rect) return -1; *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)SEGPTR_GET(rect); } *pmsg16 = LB_GETITEMRECT16; return 1; case LB_GETSELITEMS32: { LPINT16 items; *pwparam16 = (WPARAM16)MIN( wParam32, 0x7f80 ); /* Must be < 64K */ if (!(items = SEGPTR_ALLOC( *pwparam16 * sizeof(INT16) + sizeof(LPARAM)))) return -1; *((LPARAM *)items)++ = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)SEGPTR_GET(items); } *pmsg16 = LB_GETSELITEMS16; return 1; case LB_SETTABSTOPS32: if (wParam32) { INT32 i; LPINT16 stops; *pwparam16 = (WPARAM16)MIN( wParam32, 0x7f80 ); /* Must be < 64K */ if (!(stops = SEGPTR_ALLOC( *pwparam16 * sizeof(INT16) + sizeof(LPARAM)))) return -1; for (i = 0; i < *pwparam16; i++) stops[i] = *((LPINT32)*plparam+i); *plparam = (LPARAM)SEGPTR_GET(stops); return 1; } *pmsg16 = LB_SETTABSTOPS16; return 0; case CB_GETDROPPEDCONTROLRECT32: { RECT16 *rect; rect = (RECT16 *)SEGPTR_ALLOC( sizeof(RECT16) + sizeof(LPARAM) ); if (!rect) return -1; *(LPARAM *)(rect + 1) = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)SEGPTR_GET(rect); } *pmsg16 = CB_GETDROPPEDCONTROLRECT16; return 1; case LB_GETTEXT32: *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) ); *pmsg16 = LB_GETTEXT16; return 1; case CB_GETLBTEXT32: *plparam = (LPARAM)MapLS( (LPVOID)(*plparam) ); *pmsg16 = CB_GETLBTEXT16; return 1; case EM_SETSEL32: *pwparam16 = 0; *plparam = MAKELONG( (INT16)(INT32)wParam32, (INT16)*plparam ); *pmsg16 = EM_SETSEL16; return 0; case WM_ACTIVATE: case WM_CHARTOITEM: case WM_COMMAND: case WM_VKEYTOITEM: *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32) ); return 0; case WM_HSCROLL: case WM_VSCROLL: *plparam = MAKELPARAM( HIWORD(wParam32), (HWND16)*plparam ); return 0; case WM_CTLCOLORMSGBOX: case WM_CTLCOLOREDIT: case WM_CTLCOLORLISTBOX: case WM_CTLCOLORBTN: case WM_CTLCOLORDLG: case WM_CTLCOLORSCROLLBAR: case WM_CTLCOLORSTATIC: *pmsg16 = WM_CTLCOLOR; *plparam = MAKELPARAM( (HWND16)*plparam, (WORD)msg32 - WM_CTLCOLORMSGBOX ); return 0; case WM_COMPAREITEM: { COMPAREITEMSTRUCT32 *cis32 = (COMPAREITEMSTRUCT32 *)*plparam; COMPAREITEMSTRUCT16 *cis = SEGPTR_NEW(COMPAREITEMSTRUCT16); if (!cis) return -1; cis->CtlType = (UINT16)cis32->CtlType; cis->CtlID = (UINT16)cis32->CtlID; cis->hwndItem = (HWND16)cis32->hwndItem; cis->itemID1 = (UINT16)cis32->itemID1; cis->itemData1 = cis32->itemData1; cis->itemID2 = (UINT16)cis32->itemID2; cis->itemData2 = cis32->itemData2; *plparam = (LPARAM)SEGPTR_GET(cis); } return 1; case WM_DELETEITEM: { DELETEITEMSTRUCT32 *dis32 = (DELETEITEMSTRUCT32 *)*plparam; DELETEITEMSTRUCT16 *dis = SEGPTR_NEW(DELETEITEMSTRUCT16); if (!dis) return -1; dis->CtlType = (UINT16)dis32->CtlType; dis->CtlID = (UINT16)dis32->CtlID; dis->itemID = (UINT16)dis32->itemID; dis->hwndItem = (HWND16)dis32->hwndItem; dis->itemData = dis32->itemData; *plparam = (LPARAM)SEGPTR_GET(dis); } return 1; case WM_DRAWITEM: { DRAWITEMSTRUCT32 *dis32 = (DRAWITEMSTRUCT32 *)*plparam; DRAWITEMSTRUCT16 *dis = SEGPTR_NEW(DRAWITEMSTRUCT16); if (!dis) return -1; dis->CtlType = (UINT16)dis32->CtlType; dis->CtlID = (UINT16)dis32->CtlID; dis->itemID = (UINT16)dis32->itemID; dis->itemAction = (UINT16)dis32->itemAction; dis->itemState = (UINT16)dis32->itemState; dis->hwndItem = (HWND16)dis32->hwndItem; dis->hDC = (HDC16)dis32->hDC; dis->itemData = dis32->itemData; CONV_RECT32TO16( &dis32->rcItem, &dis->rcItem ); *plparam = (LPARAM)SEGPTR_GET(dis); } return 1; case WM_MEASUREITEM: { MEASUREITEMSTRUCT32 *mis32 = (MEASUREITEMSTRUCT32 *)*plparam; MEASUREITEMSTRUCT16 *mis = (MEASUREITEMSTRUCT16 *) SEGPTR_ALLOC(sizeof(*mis)+sizeof(LPARAM)); if (!mis) return -1; mis->CtlType = (UINT16)mis32->CtlType; mis->CtlID = (UINT16)mis32->CtlID; mis->itemID = (UINT16)mis32->itemID; mis->itemWidth = (UINT16)mis32->itemWidth; mis->itemHeight = (UINT16)mis32->itemHeight; mis->itemData = mis32->itemData; *(LPARAM *)(mis + 1) = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)SEGPTR_GET(mis); } return 1; case WM_GETMINMAXINFO: { MINMAXINFO16 *mmi = (MINMAXINFO16 *)SEGPTR_ALLOC( sizeof(*mmi) + sizeof(LPARAM) ); if (!mmi) return -1; STRUCT32_MINMAXINFO32to16( (MINMAXINFO32 *)*plparam, mmi ); *(LPARAM *)(mmi + 1) = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)SEGPTR_GET(mmi); } return 1; case WM_GETTEXT: { LPSTR str; *pwparam16 = (WPARAM16)MIN( wParam32, 0xff80 ); /* Must be < 64K */ if (!(str = SEGPTR_ALLOC(*pwparam16 + sizeof(LPARAM)))) return -1; *((LPARAM *)str)++ = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)SEGPTR_GET(str); } return 1; case WM_MDICREATE: { MDICREATESTRUCT16 *cs; MDICREATESTRUCT32A *cs32 = (MDICREATESTRUCT32A *)*plparam; LPSTR name, cls; if (!(cs = SEGPTR_NEW(MDICREATESTRUCT16))) return -1; STRUCT32_MDICREATESTRUCT32Ato16( cs32, cs ); name = SEGPTR_STRDUP( cs32->szTitle ); cls = SEGPTR_STRDUP( cs32->szClass ); cs->szTitle = SEGPTR_GET(name); cs->szClass = SEGPTR_GET(cls); *plparam = (LPARAM)SEGPTR_GET(cs); } return 1; case WM_MDISETMENU: *pwparam16 = TRUE; /* FIXME? */ *plparam = MAKELPARAM( (HMENU16)LOWORD(wParam32), (HMENU16)LOWORD(*plparam) ); return 0; case WM_MENUCHAR: case WM_MENUSELECT: *plparam = MAKELPARAM( HIWORD(wParam32), (HMENU16)*plparam ); return 0; case WM_NCCALCSIZE: { NCCALCSIZE_PARAMS32 *nc32 = (NCCALCSIZE_PARAMS32 *)*plparam; NCCALCSIZE_PARAMS16 *nc = (NCCALCSIZE_PARAMS16 *)SEGPTR_ALLOC( sizeof(*nc) + sizeof(LPARAM) ); if (!nc) return -1; CONV_RECT32TO16( &nc32->rgrc[0], &nc->rgrc[0] ); if (wParam32) { WINDOWPOS16 *wp; CONV_RECT32TO16( &nc32->rgrc[1], &nc->rgrc[1] ); CONV_RECT32TO16( &nc32->rgrc[2], &nc->rgrc[2] ); if (!(wp = SEGPTR_NEW(WINDOWPOS16))) { SEGPTR_FREE(nc); return -1; } STRUCT32_WINDOWPOS32to16( nc32->lppos, wp ); nc->lppos = SEGPTR_GET(wp); } *(LPARAM *)(nc + 1) = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)SEGPTR_GET(nc); } return 1; case WM_NCCREATE: case WM_CREATE: { CREATESTRUCT16 *cs; CREATESTRUCT32A *cs32 = (CREATESTRUCT32A *)*plparam; LPSTR name, cls; if (!(cs = SEGPTR_NEW(CREATESTRUCT16))) return -1; STRUCT32_CREATESTRUCT32Ato16( cs32, cs ); name = SEGPTR_STRDUP( cs32->lpszName ); cls = SEGPTR_STRDUP( cs32->lpszClass ); cs->lpszName = SEGPTR_GET(name); cs->lpszClass = SEGPTR_GET(cls); *plparam = (LPARAM)SEGPTR_GET(cs); } return 1; case WM_PARENTNOTIFY: if ((LOWORD(wParam32)==WM_CREATE) || (LOWORD(wParam32)==WM_DESTROY)) *plparam = MAKELPARAM( (HWND16)*plparam, HIWORD(wParam32)); /* else nothing to do */ return 0; case WM_SETTEXT: { LPSTR str = SEGPTR_STRDUP( (LPSTR)*plparam ); if (!str) return -1; *plparam = (LPARAM)SEGPTR_GET(str); } return 1; case WM_WINDOWPOSCHANGING: case WM_WINDOWPOSCHANGED: { WINDOWPOS16 *wp = (WINDOWPOS16 *)SEGPTR_ALLOC( sizeof(*wp) + sizeof(LPARAM) ); if (!wp) return -1; STRUCT32_WINDOWPOS32to16( (WINDOWPOS32 *)*plparam, wp ); *(LPARAM *)(wp + 1) = *plparam; /* Store the previous lParam */ *plparam = (LPARAM)SEGPTR_GET(wp); } return 1; case WM_ASKCBFORMATNAME: case WM_DEVMODECHANGE: case WM_MDIACTIVATE: case WM_PAINTCLIPBOARD: case WM_SIZECLIPBOARD: case WM_WININICHANGE: fprintf( stderr, "MapMsg32ATo16: message %04x needs translation\n", msg32 ); return -1; default: /* No translation needed */ return 0; } } /********************************************************************** * WINPROC_UnmapMsg32ATo16 * * Unmap a message that was mapped from 32-bit Ansi to 16-bit. */ void WINPROC_UnmapMsg32ATo16( UINT32 msg, WPARAM32 wParam, LPARAM lParam, MSGPARAM16* p16 ) { switch(msg) { case LB_ADDFILE32: case LB_ADDSTRING32: case LB_DIR32: case LB_FINDSTRING32: case LB_FINDSTRINGEXACT32: case LB_INSERTSTRING32: case LB_SELECTSTRING32: case LB_SETTABSTOPS32: case CB_ADDSTRING32: case CB_FINDSTRING32: case CB_FINDSTRINGEXACT32: case CB_INSERTSTRING32: case CB_SELECTSTRING32: case CB_DIR32: case WM_COMPAREITEM: case WM_DELETEITEM: case WM_DRAWITEM: case WM_SETTEXT: SEGPTR_FREE( PTR_SEG_TO_LIN(p16->lParam) ); break; case CB_GETDROPPEDCONTROLRECT32: case LB_GETITEMRECT32: { RECT16 *rect = (RECT16 *)PTR_SEG_TO_LIN(p16->lParam); p16->lParam = *(LPARAM *)(rect + 1); CONV_RECT16TO32( rect, (RECT32 *)(p16->lParam)); SEGPTR_FREE( rect ); } break; case LB_GETSELITEMS32: { INT32 i; LPINT16 items = (LPINT16)PTR_SEG_TO_LIN(lParam); p16->lParam = *((LPARAM *)items - 1); for (i = 0; i < p16->wParam; i++) *((LPINT32)(p16->lParam) + i) = items[i]; SEGPTR_FREE( (LPARAM *)items - 1 ); } break; case CB_GETEDITSEL32: if( wParam ) *((LPUINT32)(wParam)) = LOWORD(p16->lResult); if( lParam ) *((LPUINT32)(lParam)) = HIWORD(p16->lResult); /* FIXME: substract 1? */ break; case LB_GETTEXT32: case CB_GETLBTEXT32: UnMapLS( (SEGPTR)(p16->lParam) ); break; case WM_MEASUREITEM: { MEASUREITEMSTRUCT16 *mis = (MEASUREITEMSTRUCT16 *)PTR_SEG_TO_LIN(p16->lParam); MEASUREITEMSTRUCT32 *mis32 = *(MEASUREITEMSTRUCT32 **)(mis + 1); mis32->itemWidth = mis->itemWidth; mis32->itemHeight = mis->itemHeight; SEGPTR_FREE(mis); } break; case WM_GETMINMAXINFO: { MINMAXINFO16 *mmi = (MINMAXINFO16 *)PTR_SEG_TO_LIN(p16->lParam); p16->lParam = *(LPARAM *)(mmi + 1); STRUCT32_MINMAXINFO16to32( mmi, (MINMAXINFO32 *)(p16->lParam) ); SEGPTR_FREE(mmi); } break; case WM_GETTEXT: { LPSTR str = (LPSTR)PTR_SEG_TO_LIN(p16->lParam); p16->lParam = *((LPARAM *)str - 1); lstrcpyn32A( (LPSTR)(p16->lParam), str, p16->wParam ); SEGPTR_FREE( (LPARAM *)str - 1 ); } break; case WM_MDICREATE: { MDICREATESTRUCT16 *cs = (MDICREATESTRUCT16*)PTR_SEG_TO_LIN(p16->lParam); SEGPTR_FREE( PTR_SEG_TO_LIN(cs->szTitle) ); SEGPTR_FREE( PTR_SEG_TO_LIN(cs->szClass) ); SEGPTR_FREE( cs ); } break; case WM_NCCALCSIZE: { NCCALCSIZE_PARAMS32 *nc32; NCCALCSIZE_PARAMS16 *nc = (NCCALCSIZE_PARAMS16 *)PTR_SEG_TO_LIN(p16->lParam); p16->lParam = *(LPARAM *)(nc + 1); nc32 = (NCCALCSIZE_PARAMS32 *)(p16->lParam); CONV_RECT16TO32( &nc->rgrc[0], &nc32->rgrc[0] ); if (p16->wParam) { CONV_RECT16TO32( &nc->rgrc[1], &nc32->rgrc[1] ); CONV_RECT16TO32( &nc->rgrc[2], &nc32->rgrc[2] ); STRUCT32_WINDOWPOS16to32( (WINDOWPOS16 *)PTR_SEG_TO_LIN(nc->lppos), nc32->lppos ); SEGPTR_FREE( PTR_SEG_TO_LIN(nc->lppos) ); } SEGPTR_FREE(nc); } break; case WM_NCCREATE: case WM_CREATE: { CREATESTRUCT16 *cs = (CREATESTRUCT16 *)PTR_SEG_TO_LIN(p16->lParam); SEGPTR_FREE( PTR_SEG_TO_LIN(cs->lpszName) ); SEGPTR_FREE( PTR_SEG_TO_LIN(cs->lpszClass) ); SEGPTR_FREE( cs ); } break; case WM_WINDOWPOSCHANGING: case WM_WINDOWPOSCHANGED: { WINDOWPOS16 *wp = (WINDOWPOS16 *)PTR_SEG_TO_LIN(p16->lParam); p16->lParam = *(LPARAM *)(wp + 1); STRUCT32_WINDOWPOS16to32( wp, (WINDOWPOS32 *)p16->lParam ); SEGPTR_FREE(wp); } break; } } /********************************************************************** * WINPROC_MapMsg32WTo16 * * Map a message from 32-bit Unicode to 16-bit. * Return value is -1 on error, 0 if OK, 1 if an UnmapMsg call is needed. */ INT32 WINPROC_MapMsg32WTo16( UINT32 msg32, WPARAM32 wParam32, UINT16 *pmsg16, WPARAM16 *pwparam16, LPARAM *plparam ) { switch(msg32) { case LB_ADDSTRING32: case LB_FINDSTRING32: case LB_FINDSTRINGEXACT32: case LB_INSERTSTRING32: case LB_SELECTSTRING32: case LB_DIR32: case LB_ADDFILE32: { LPSTR str = SEGPTR_STRDUP_WtoA( (LPWSTR)*plparam ); if (!str) return -1; *pwparam16 = (WPARAM16)LOWORD(wParam32); *plparam = (LPARAM)SEGPTR_GET(str); } *pmsg16 = (UINT16)msg32 + (LB_ADDSTRING16 - LB_ADDSTRING32); return 1; case CB_ADDSTRING32: case CB_FINDSTRING32: case CB_FINDSTRINGEXACT32: case CB_INSERTSTRING32: case CB_SELECTSTRING32: case CB_DIR32: { LPSTR str = SEGPTR_STRDUP_WtoA( (LPWSTR)*plparam ); if (!str) return -1; *pwparam16 = (WPARAM16)LOWORD(wParam32); *plparam = (LPARAM)SEGPTR_GET(str); } *pmsg16 = (UINT16)msg32 + (CB_ADDSTRING16 - CB_ADDSTRING32); return 1; case WM_NCCREATE: case WM_CREATE: { CREATESTRUCT16 *cs; CREATESTRUCT32W *cs32 = (CREATESTRUCT32W *)*plparam; LPSTR name, cls; if (!(cs = SEGPTR_NEW(CREATESTRUCT16))) return -1; STRUCT32_CREATESTRUCT32Ato16( (CREATESTRUCT32A *)cs32, cs ); name = SEGPTR_STRDUP_WtoA( cs32->lpszName ); cls = SEGPTR_STRDUP_WtoA( cs32->lpszClass ); cs->lpszName = SEGPTR_GET(name); cs->lpszClass = SEGPTR_GET(cls); *pmsg16 = (UINT16)msg32; *pwparam16 = (WPARAM16)LOWORD(wParam32); *plparam = (LPARAM)SEGPTR_GET(cs); } return 1; case WM_MDICREATE: { MDICREATESTRUCT16 *cs; MDICREATESTRUCT32W *cs32 = (MDICREATESTRUCT32W *)*plparam; LPSTR name, cls; if (!(cs = SEGPTR_NEW(MDICREATESTRUCT16))) return -1; STRUCT32_MDICREATESTRUCT32Ato16( (MDICREATESTRUCT32A *)cs32, cs ); name = SEGPTR_STRDUP_WtoA( cs32->szTitle ); cls = SEGPTR_STRDUP_WtoA( cs32->szClass ); cs->szTitle = SEGPTR_GET(name); cs->szClass = SEGPTR_GET(cls); *pmsg16 = (UINT16)msg32; *pwparam16 = (WPARAM16)LOWORD(wParam32); *plparam = (LPARAM)SEGPTR_GET(cs); } return 1; case WM_SETTEXT: { LPSTR str = SEGPTR_STRDUP_WtoA( (LPWSTR)*plparam ); if (!str) return -1; *pmsg16 = (UINT16)msg32; *pwparam16 = (WPARAM16)LOWORD(wParam32); *plparam = (LPARAM)SEGPTR_GET(str); } return 1; default: /* No Unicode translation needed */ return WINPROC_MapMsg32ATo16( msg32, wParam32, pmsg16, pwparam16, plparam ); } } /********************************************************************** * WINPROC_UnmapMsg32WTo16 * * Unmap a message that was mapped from 32-bit Unicode to 16-bit. */ void WINPROC_UnmapMsg32WTo16( UINT32 msg, WPARAM32 wParam, LPARAM lParam, MSGPARAM16* p16 ) { switch(msg) { case WM_GETTEXT: { LPSTR str = (LPSTR)PTR_SEG_TO_LIN(p16->lParam); p16->lParam = *((LPARAM *)str - 1); lstrcpyAtoW( (LPWSTR)(p16->lParam), str ); SEGPTR_FREE( (LPARAM *)str - 1 ); } break; default: WINPROC_UnmapMsg32ATo16( msg, wParam, lParam, p16 ); break; } } /********************************************************************** * WINPROC_CallProc32ATo32W * * Call a window procedure, translating args from Ansi to Unicode. */ static LRESULT WINPROC_CallProc32ATo32W( WNDPROC32 func, HWND32 hwnd, UINT32 msg, WPARAM32 wParam, LPARAM lParam ) { LRESULT result; if (WINPROC_MapMsg32ATo32W( msg, wParam, &lParam ) == -1) return 0; result = WINPROC_CallWndProc32( func, hwnd, msg, wParam, lParam ); WINPROC_UnmapMsg32ATo32W( msg, wParam, lParam ); return result; } /********************************************************************** * WINPROC_CallProc32WTo32A * * Call a window procedure, translating args from Unicode to Ansi. */ static LRESULT WINPROC_CallProc32WTo32A( WNDPROC32 func, HWND32 hwnd, UINT32 msg, WPARAM32 wParam, LPARAM lParam ) { LRESULT result; if (WINPROC_MapMsg32WTo32A( msg, wParam, &lParam ) == -1) return 0; result = WINPROC_CallWndProc32( func, hwnd, msg, wParam, lParam ); WINPROC_UnmapMsg32WTo32A( msg, wParam, lParam ); return result; } /********************************************************************** * WINPROC_CallProc16To32A * * Call a 32-bit window procedure, translating the 16-bit args. */ LRESULT WINPROC_CallProc16To32A( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam, WNDPROC32 func ) { LRESULT result; UINT32 msg32; WPARAM32 wParam32; if (WINPROC_MapMsg16To32A( msg, wParam, &msg32, &wParam32, &lParam ) == -1) return 0; result = WINPROC_CallWndProc32( func, hwnd, msg32, wParam32, lParam ); WINPROC_UnmapMsg16To32A( msg32, wParam32, lParam ); return result; } /********************************************************************** * WINPROC_CallProc16To32W * * Call a 32-bit window procedure, translating the 16-bit args. */ LRESULT WINPROC_CallProc16To32W( HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam, WNDPROC32 func ) { LRESULT result; UINT32 msg32; WPARAM32 wParam32; if (WINPROC_MapMsg16To32W( msg, wParam, &msg32, &wParam32, &lParam ) == -1) return 0; result = WINPROC_CallWndProc32( func, hwnd, msg32, wParam32, lParam ); WINPROC_UnmapMsg16To32W( msg32, wParam32, lParam ); return result; } /********************************************************************** * WINPROC_CallProc32ATo16 * * Call a 16-bit window procedure, translating the 32-bit args. */ static LRESULT WINAPI WINPROC_CallProc32ATo16( WNDPROC16 func, HWND32 hwnd, UINT32 msg, WPARAM32 wParam, LPARAM lParam ) { UINT16 msg16; MSGPARAM16 mp16; mp16.lParam = lParam; if (WINPROC_MapMsg32ATo16( msg, wParam, &msg16, &mp16.wParam, &mp16.lParam ) == -1) return 0; mp16.lResult = WINPROC_CallWndProc16Ptr( func, hwnd, msg16, mp16.wParam, mp16.lParam ); WINPROC_UnmapMsg32ATo16( msg, wParam, lParam, &mp16 ); return mp16.lResult; } /********************************************************************** * WINPROC_CallProc32WTo16 * * Call a 16-bit window procedure, translating the 32-bit args. */ static LRESULT WINAPI WINPROC_CallProc32WTo16( WNDPROC16 func, HWND32 hwnd, UINT32 msg, WPARAM32 wParam, LPARAM lParam ) { UINT16 msg16; MSGPARAM16 mp16; mp16.lParam = lParam; if (WINPROC_MapMsg32WTo16( msg, wParam, &msg16, &mp16.wParam, &mp16.lParam ) == -1) return 0; mp16.lResult = WINPROC_CallWndProc16Ptr( func, hwnd, msg16, mp16.wParam, mp16.lParam ); WINPROC_UnmapMsg32WTo16( msg, wParam, lParam, &mp16 ); return mp16.lResult; } /********************************************************************** * CallWindowProc16 (USER.122) */ LRESULT WINAPI CallWindowProc16( WNDPROC16 func, HWND16 hwnd, UINT16 msg, WPARAM16 wParam, LPARAM lParam ) { WINDOWPROC *proc = WINPROC_GetPtr( func ); if (!proc) return WINPROC_CallWndProc16Ptr( func, hwnd, msg, wParam, lParam ); #if testing func = WINPROC_GetProc( (HWINDOWPROC)proc, WIN_PROC_16 ); return WINPROC_CallWndProc16Ptr( func, hwnd, msg, wParam, lParam ); #endif switch(proc->type) { case WIN_PROC_16: if (!proc->thunk.t_from32.proc) return 0; return WINPROC_CallWndProc16Ptr( proc->thunk.t_from32.proc, hwnd, msg, wParam, lParam ); case WIN_PROC_32A: if (!proc->thunk.t_from16.proc) return 0; return WINPROC_CallProc16To32A( hwnd, msg, wParam, lParam, proc->thunk.t_from16.proc ); case WIN_PROC_32W: if (!proc->thunk.t_from16.proc) return 0; return WINPROC_CallProc16To32W( hwnd, msg, wParam, lParam, proc->thunk.t_from16.proc ); default: fprintf( stderr, "CallWindowProc16: invalid proc %p\n", proc ); return 0; } } /********************************************************************** * CallWindowProc32A (USER32.17) */ LRESULT WINAPI CallWindowProc32A( WNDPROC32 func, HWND32 hwnd, UINT32 msg, WPARAM32 wParam, LPARAM lParam ) { WINDOWPROC *proc = WINPROC_GetPtr( (WNDPROC16)func ); if (!proc) return WINPROC_CallWndProc32( func, hwnd, msg, wParam, lParam ); #if testing func = WINPROC_GetProc( (HWINDOWPROC)proc, WIN_PROC_32A ); return WINPROC_CallWndProc32( func, hwnd, msg, wParam, lParam ); #endif switch(proc->type) { case WIN_PROC_16: if (!proc->thunk.t_from32.proc) return 0; return WINPROC_CallProc32ATo16( proc->thunk.t_from32.proc, hwnd, msg, wParam, lParam ); case WIN_PROC_32A: if (!proc->thunk.t_from16.proc) return 0; return WINPROC_CallWndProc32( proc->thunk.t_from16.proc, hwnd, msg, wParam, lParam ); case WIN_PROC_32W: if (!proc->thunk.t_from16.proc) return 0; return WINPROC_CallProc32ATo32W( proc->thunk.t_from16.proc, hwnd, msg, wParam, lParam ); default: fprintf( stderr, "CallWindowProc32A: invalid proc %p\n", proc ); return 0; } } /********************************************************************** * CallWindowProc32W (USER32.18) */ LRESULT WINAPI CallWindowProc32W( WNDPROC32 func, HWND32 hwnd, UINT32 msg, WPARAM32 wParam, LPARAM lParam ) { WINDOWPROC *proc = WINPROC_GetPtr( (WNDPROC16)func ); if (!proc) return WINPROC_CallWndProc32( func, hwnd, msg, wParam, lParam ); #if testing func = WINPROC_GetProc( (HWINDOWPROC)proc, WIN_PROC_32W ); return WINPROC_CallWndProc32( func, hwnd, msg, wParam, lParam ); #endif switch(proc->type) { case WIN_PROC_16: if (!proc->thunk.t_from32.proc) return 0; return WINPROC_CallProc32WTo16( proc->thunk.t_from32.proc, hwnd, msg, wParam, lParam ); case WIN_PROC_32A: if (!proc->thunk.t_from16.proc) return 0; return WINPROC_CallProc32WTo32A( proc->thunk.t_from16.proc, hwnd, msg, wParam, lParam ); case WIN_PROC_32W: if (!proc->thunk.t_from16.proc) return 0; return WINPROC_CallWndProc32( proc->thunk.t_from16.proc, hwnd, msg, wParam, lParam ); default: fprintf( stderr, "CallWindowProc32W: invalid proc %p\n", proc ); return 0; } }